17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 54c4c9110Sbasabi * Common Development and Distribution License (the "License"). 64c4c9110Sbasabi * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 2263d5d94cSjc * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 277c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* Copyright (c) 1987, 1988 Microsoft Corporation */ 307c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #ifdef lint 347c478bd9Sstevel@tonic-gate /* make lint happy */ 357c478bd9Sstevel@tonic-gate #define __EXTENSIONS__ 367c478bd9Sstevel@tonic-gate #endif 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #include <sys/contract/process.h> 397c478bd9Sstevel@tonic-gate #include <sys/ctfs.h> 407c478bd9Sstevel@tonic-gate #include <sys/param.h> 417c478bd9Sstevel@tonic-gate #include <sys/resource.h> 427c478bd9Sstevel@tonic-gate #include <sys/stat.h> 437c478bd9Sstevel@tonic-gate #include <sys/task.h> 447c478bd9Sstevel@tonic-gate #include <sys/time.h> 457c478bd9Sstevel@tonic-gate #include <sys/types.h> 467c478bd9Sstevel@tonic-gate #include <sys/utsname.h> 477c478bd9Sstevel@tonic-gate #include <sys/wait.h> 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate #include <security/pam_appl.h> 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate #include <alloca.h> 527c478bd9Sstevel@tonic-gate #include <ctype.h> 537c478bd9Sstevel@tonic-gate #include <deflt.h> 547c478bd9Sstevel@tonic-gate #include <dirent.h> 557c478bd9Sstevel@tonic-gate #include <errno.h> 567c478bd9Sstevel@tonic-gate #include <fcntl.h> 577c478bd9Sstevel@tonic-gate #include <grp.h> 587c478bd9Sstevel@tonic-gate #include <libcontract.h> 597c478bd9Sstevel@tonic-gate #include <libcontract_priv.h> 607c478bd9Sstevel@tonic-gate #include <limits.h> 617c478bd9Sstevel@tonic-gate #include <locale.h> 627c478bd9Sstevel@tonic-gate #include <poll.h> 637c478bd9Sstevel@tonic-gate #include <project.h> 647c478bd9Sstevel@tonic-gate #include <pwd.h> 657c478bd9Sstevel@tonic-gate #include <signal.h> 667c478bd9Sstevel@tonic-gate #include <stdarg.h> 677c478bd9Sstevel@tonic-gate #include <stdio.h> 687c478bd9Sstevel@tonic-gate #include <stdlib.h> 697c478bd9Sstevel@tonic-gate #include <string.h> 707c478bd9Sstevel@tonic-gate #include <stropts.h> 717c478bd9Sstevel@tonic-gate #include <time.h> 727c478bd9Sstevel@tonic-gate #include <unistd.h> 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #include "cron.h" 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate /* 777c478bd9Sstevel@tonic-gate * #define DEBUG 787c478bd9Sstevel@tonic-gate */ 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate #define MAIL "/usr/bin/mail" /* mail program to use */ 817c478bd9Sstevel@tonic-gate #define CONSOLE "/dev/console" /* where messages go when cron dies */ 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate #define TMPINFILE "/tmp/crinXXXXXX" /* file to put stdin in for cmd */ 847c478bd9Sstevel@tonic-gate #define TMPDIR "/tmp" 857c478bd9Sstevel@tonic-gate #define PFX "crout" 867c478bd9Sstevel@tonic-gate #define TMPOUTFILE "/tmp/croutXXXXXX" /* file to place stdout, stderr */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #define INMODE 00400 /* mode for stdin file */ 897c478bd9Sstevel@tonic-gate #define OUTMODE 00600 /* mode for stdout file */ 907c478bd9Sstevel@tonic-gate #define ISUID S_ISUID /* mode for verifing at jobs */ 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate #define INFINITY 2147483647L /* upper bound on time */ 937c478bd9Sstevel@tonic-gate #define CUSHION 180L 947c478bd9Sstevel@tonic-gate #define ZOMB 100 /* proc slot used for mailing output */ 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate #define JOBF 'j' 977c478bd9Sstevel@tonic-gate #define NICEF 'n' 987c478bd9Sstevel@tonic-gate #define USERF 'u' 997c478bd9Sstevel@tonic-gate #define WAITF 'w' 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate #define BCHAR '>' 1027c478bd9Sstevel@tonic-gate #define ECHAR '<' 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate #define DEFAULT 0 1057c478bd9Sstevel@tonic-gate #define LOAD 1 1067c478bd9Sstevel@tonic-gate #define QBUFSIZ 80 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate /* Defined actions for crabort() routine */ 1097c478bd9Sstevel@tonic-gate #define NO_ACTION 000 1107c478bd9Sstevel@tonic-gate #define REMOVE_FIFO 001 1117c478bd9Sstevel@tonic-gate #define CONSOLE_MSG 002 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate #define BADCD "can't change directory to the crontab directory." 1147c478bd9Sstevel@tonic-gate #define NOREADDIR "can't read the crontab directory." 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate #define BADJOBOPEN "unable to read your at job." 1177c478bd9Sstevel@tonic-gate #define BADSHELL "because your login shell \ 1187c478bd9Sstevel@tonic-gate isn't /usr/bin/sh, you can't use cron." 1197c478bd9Sstevel@tonic-gate 1204c4c9110Sbasabi #define BADSTAT "can't access your crontab or at-job file. Resubmit it." 1217c478bd9Sstevel@tonic-gate #define BADPROJID "can't set project id for your job." 1227c478bd9Sstevel@tonic-gate #define CANTCDHOME "can't change directory to your home directory.\ 1237c478bd9Sstevel@tonic-gate \nYour commands will not be executed." 1247c478bd9Sstevel@tonic-gate #define CANTEXECSH "unable to exec the shell for one of your commands." 1257c478bd9Sstevel@tonic-gate #define NOREAD "can't read your crontab file. Resubmit it." 1264c4c9110Sbasabi #define BADTYPE "crontab or at-job file is not a regular file.\n" 1277c478bd9Sstevel@tonic-gate #define NOSTDIN "unable to create a standard input file for \ 1287c478bd9Sstevel@tonic-gate one of your crontab commands. \ 1297c478bd9Sstevel@tonic-gate \nThat command was not executed." 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate #define NOTALLOWED "you are not authorized to use cron. Sorry." 1327c478bd9Sstevel@tonic-gate #define STDERRMSG "\n\n********************************************\ 1337c478bd9Sstevel@tonic-gate *****\nCron: The previous message is the \ 1347c478bd9Sstevel@tonic-gate standard output and standard error \ 1357c478bd9Sstevel@tonic-gate \nof one of your cron commands.\n" 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate #define STDOUTERR "one of your commands generated output or errors, \ 1387c478bd9Sstevel@tonic-gate but cron was unable to mail you this output.\ 1397c478bd9Sstevel@tonic-gate \nRemember to redirect standard output and standard \ 1407c478bd9Sstevel@tonic-gate error for each of your commands." 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate #define CLOCK_DRIFT "clock time drifted backwards after event!\n" 1437c478bd9Sstevel@tonic-gate #define PIDERR "unexpected pid returned %d (ignored)" 1447c478bd9Sstevel@tonic-gate #define CRONTABERR "Subject: Your crontab file has an error in it\n\n" 1457c478bd9Sstevel@tonic-gate #define CRONOUT "Subject: Output from \"cron\" command\n\n" 1467c478bd9Sstevel@tonic-gate #define MALLOCERR "out of space, cannot create new string\n" 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate #define DIDFORK didfork 1497c478bd9Sstevel@tonic-gate #define NOFORK !didfork 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate #define MAILBUFLEN (8*1024) 1527c478bd9Sstevel@tonic-gate #define LINELIMIT 80 1537c478bd9Sstevel@tonic-gate #define MAILBINITFREE (MAILBUFLEN - (sizeof (cte_intro) - 1) \ 1547c478bd9Sstevel@tonic-gate - (sizeof (cte_trail1) - 1) - (sizeof (cte_trail2) - 1) - 1) 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate #define ERR_CRONTABENT 0 /* error in crontab file entry */ 1577c478bd9Sstevel@tonic-gate #define ERR_UNIXERR 1 /* error in some system call */ 1587c478bd9Sstevel@tonic-gate #define ERR_CANTEXECCRON 2 /* error setting up "cron" job environment */ 1597c478bd9Sstevel@tonic-gate #define ERR_CANTEXECAT 3 /* error setting up "at" job environment */ 1604c4c9110Sbasabi #define ERR_NOTREG 4 /* error not a regular file */ 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate #define PROJECT "project=" 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate #define MAX_LOST_CONTRACTS 2048 /* reset if this many failed abandons */ 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate #define FORMAT "%a %b %e %H:%M:%S %Y" 1677c478bd9Sstevel@tonic-gate static char timebuf[80]; 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate struct event { 1707c478bd9Sstevel@tonic-gate time_t time; /* time of the event */ 1717c478bd9Sstevel@tonic-gate short etype; /* what type of event; 0=cron, 1=at */ 1727c478bd9Sstevel@tonic-gate char *cmd; /* command for cron, job name for at */ 1737c478bd9Sstevel@tonic-gate struct usr *u; /* ptr to the owner (usr) of this event */ 1747c478bd9Sstevel@tonic-gate struct event *link; /* ptr to another event for this user */ 1757c478bd9Sstevel@tonic-gate union { 1767c478bd9Sstevel@tonic-gate struct { /* for crontab events */ 1777c478bd9Sstevel@tonic-gate char *minute; /* (these */ 1787c478bd9Sstevel@tonic-gate char *hour; /* fields */ 1797c478bd9Sstevel@tonic-gate char *daymon; /* are */ 1807c478bd9Sstevel@tonic-gate char *month; /* from */ 1817c478bd9Sstevel@tonic-gate char *dayweek; /* crontab) */ 1827c478bd9Sstevel@tonic-gate char *input; /* ptr to stdin */ 1837c478bd9Sstevel@tonic-gate } ct; 1847c478bd9Sstevel@tonic-gate struct { /* for at events */ 1857c478bd9Sstevel@tonic-gate short exists; /* for revising at events */ 1867c478bd9Sstevel@tonic-gate int eventid; /* for el_remove-ing at events */ 1877c478bd9Sstevel@tonic-gate } at; 1887c478bd9Sstevel@tonic-gate } of; 1897c478bd9Sstevel@tonic-gate }; 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate struct usr { 1927c478bd9Sstevel@tonic-gate char *name; /* name of user (e.g. "root") */ 1937c478bd9Sstevel@tonic-gate char *home; /* home directory for user */ 1947c478bd9Sstevel@tonic-gate uid_t uid; /* user id */ 1957c478bd9Sstevel@tonic-gate gid_t gid; /* group id */ 1967c478bd9Sstevel@tonic-gate int aruncnt; /* counter for running jobs per uid */ 1977c478bd9Sstevel@tonic-gate int cruncnt; /* counter for running cron jobs per uid */ 1987c478bd9Sstevel@tonic-gate int ctid; /* for el_remove-ing crontab events */ 1997c478bd9Sstevel@tonic-gate short ctexists; /* for revising crontab events */ 2007c478bd9Sstevel@tonic-gate struct event *ctevents; /* list of this usr's crontab events */ 2017c478bd9Sstevel@tonic-gate struct event *atevents; /* list of this usr's at events */ 2027c478bd9Sstevel@tonic-gate struct usr *nextusr; 2037c478bd9Sstevel@tonic-gate }; /* ptr to next user */ 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate static struct queue 2067c478bd9Sstevel@tonic-gate { 2077c478bd9Sstevel@tonic-gate int njob; /* limit */ 2087c478bd9Sstevel@tonic-gate int nice; /* nice for execution */ 2097c478bd9Sstevel@tonic-gate int nwait; /* wait time to next execution attempt */ 2107c478bd9Sstevel@tonic-gate int nrun; /* number running */ 2117c478bd9Sstevel@tonic-gate } 2127c478bd9Sstevel@tonic-gate qd = {100, 2, 60}, /* default values for queue defs */ 2137c478bd9Sstevel@tonic-gate qt[NQUEUE]; 2147c478bd9Sstevel@tonic-gate static struct queue qq; 2157c478bd9Sstevel@tonic-gate 2169f163834Sbasabi static struct runinfo 2177c478bd9Sstevel@tonic-gate { 2187c478bd9Sstevel@tonic-gate pid_t pid; 2197c478bd9Sstevel@tonic-gate short que; 2207c478bd9Sstevel@tonic-gate struct usr *rusr; /* pointer to usr struct */ 2217c478bd9Sstevel@tonic-gate char *outfile; /* file where stdout & stderr are trapped */ 2227c478bd9Sstevel@tonic-gate short jobtype; /* what type of event: 0=cron, 1=at */ 2237c478bd9Sstevel@tonic-gate char *jobname; /* command for "cron", jobname for "at" */ 2247c478bd9Sstevel@tonic-gate int mailwhendone; /* 1 = send mail even if no ouptut */ 2259f163834Sbasabi struct runinfo *next; 2269f163834Sbasabi } *rthead; 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate static struct miscpid { 2297c478bd9Sstevel@tonic-gate pid_t pid; 2307c478bd9Sstevel@tonic-gate struct miscpid *next; 2317c478bd9Sstevel@tonic-gate } *miscpid_head; 2327c478bd9Sstevel@tonic-gate 2337c478bd9Sstevel@tonic-gate static pid_t cron_pid; /* own pid */ 2347c478bd9Sstevel@tonic-gate static char didfork = 0; /* flag to see if I'm process group leader */ 2357c478bd9Sstevel@tonic-gate static int msgfd; /* file descriptor for fifo queue */ 2367c478bd9Sstevel@tonic-gate static int ecid = 1; /* event class id for el_remove(); MUST be set to 1 */ 2377c478bd9Sstevel@tonic-gate static int delayed; /* is job being rescheduled or did it run first time */ 2387c478bd9Sstevel@tonic-gate static int cwd; /* current working directory */ 2397c478bd9Sstevel@tonic-gate static struct event *next_event; /* the next event to execute */ 2407c478bd9Sstevel@tonic-gate static struct usr *uhead; /* ptr to the list of users */ 2417c478bd9Sstevel@tonic-gate 2427c478bd9Sstevel@tonic-gate /* Variables for error handling at reading crontabs. */ 2437c478bd9Sstevel@tonic-gate static char cte_intro[] = "Line(s) with errors:\n\n"; 2447c478bd9Sstevel@tonic-gate static char cte_trail1[] = "\nMax number of errors encountered."; 2457c478bd9Sstevel@tonic-gate static char cte_trail2[] = " Evaluation of crontab aborted.\n"; 2467c478bd9Sstevel@tonic-gate static int cte_free = MAILBINITFREE; /* Free buffer space */ 2477c478bd9Sstevel@tonic-gate static char *cte_text = NULL; /* Text buffer pointer */ 2487c478bd9Sstevel@tonic-gate static char *cte_lp; /* Next free line in cte_text */ 2497c478bd9Sstevel@tonic-gate static int cte_nvalid; /* Valid lines found */ 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate /* user's default environment for the shell */ 2527c478bd9Sstevel@tonic-gate #define ROOTPATH "PATH=/usr/sbin:/usr/bin" 2537c478bd9Sstevel@tonic-gate #define NONROOTPATH "PATH=/usr/bin:" 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate static char *Def_supath = NULL; 2567c478bd9Sstevel@tonic-gate static char *Def_path = NULL; 2577c478bd9Sstevel@tonic-gate static char path[LINE_MAX] = "PATH="; 2587c478bd9Sstevel@tonic-gate static char supath[LINE_MAX] = "PATH="; 2597c478bd9Sstevel@tonic-gate static char homedir[LINE_MAX] = "HOME="; 2607c478bd9Sstevel@tonic-gate static char logname[LINE_MAX] = "LOGNAME="; 2617c478bd9Sstevel@tonic-gate static char tzone[LINE_MAX] = "TZ="; 2627c478bd9Sstevel@tonic-gate static char *envinit[] = { 2637c478bd9Sstevel@tonic-gate homedir, 2647c478bd9Sstevel@tonic-gate logname, 2657c478bd9Sstevel@tonic-gate ROOTPATH, 2667c478bd9Sstevel@tonic-gate "SHELL=/usr/bin/sh", 2677c478bd9Sstevel@tonic-gate tzone, 2687c478bd9Sstevel@tonic-gate NULL 2697c478bd9Sstevel@tonic-gate }; 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate extern char **environ; 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate #define DEFTZ "GMT" 2747c478bd9Sstevel@tonic-gate static int log = 0; 2757c478bd9Sstevel@tonic-gate static char hzname[10]; 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate static void cronend(int); 2787c478bd9Sstevel@tonic-gate static void thaw_handler(int); 2797c478bd9Sstevel@tonic-gate static void child_handler(int); 2807c478bd9Sstevel@tonic-gate static void child_sigreset(void); 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate static void mod_ctab(char *, time_t); 2837c478bd9Sstevel@tonic-gate static void mod_atjob(char *, time_t); 2847c478bd9Sstevel@tonic-gate static void add_atevent(struct usr *, char *, time_t, int); 2857c478bd9Sstevel@tonic-gate static void rm_ctevents(struct usr *); 2867c478bd9Sstevel@tonic-gate static void cleanup(struct runinfo *rn, int r); 2877c478bd9Sstevel@tonic-gate static void crabort(char *, int); 2887c478bd9Sstevel@tonic-gate static void msg(char *fmt, ...); 289*e2553d68SSerge Dussud static void ignore_msg(char *, char *, struct event *); 2907c478bd9Sstevel@tonic-gate static void logit(int, struct runinfo *, int); 2917c478bd9Sstevel@tonic-gate static void parsqdef(char *); 2927c478bd9Sstevel@tonic-gate static void defaults(); 2937c478bd9Sstevel@tonic-gate static void initialize(int); 2947c478bd9Sstevel@tonic-gate static void quedefs(int); 2957c478bd9Sstevel@tonic-gate static int idle(long); 2967c478bd9Sstevel@tonic-gate static struct usr *find_usr(char *); 2977c478bd9Sstevel@tonic-gate static int ex(struct event *e); 2984c4c9110Sbasabi static void read_dirs(int); 2997c478bd9Sstevel@tonic-gate static void mail(char *, char *, int); 3007c478bd9Sstevel@tonic-gate static char *next_field(int, int); 3017c478bd9Sstevel@tonic-gate static void readcron(struct usr *, time_t); 3027c478bd9Sstevel@tonic-gate static int next_ge(int, char *); 3037c478bd9Sstevel@tonic-gate static void free_if_unused(struct usr *); 3047c478bd9Sstevel@tonic-gate static void del_atjob(char *, char *); 3057c478bd9Sstevel@tonic-gate static void del_ctab(char *); 3067c478bd9Sstevel@tonic-gate static void resched(int); 3077c478bd9Sstevel@tonic-gate static int msg_wait(long); 3087c478bd9Sstevel@tonic-gate static struct runinfo *rinfo_get(pid_t); 3097c478bd9Sstevel@tonic-gate static void rinfo_free(struct runinfo *rp); 3107c478bd9Sstevel@tonic-gate static void mail_result(struct usr *p, struct runinfo *pr, size_t filesize); 3117c478bd9Sstevel@tonic-gate static time_t next_time(struct event *, time_t); 3127c478bd9Sstevel@tonic-gate static time_t get_switching_time(int, time_t); 3137c478bd9Sstevel@tonic-gate static time_t xmktime(struct tm *); 3147c478bd9Sstevel@tonic-gate static void process_msg(struct message *, time_t); 3157c478bd9Sstevel@tonic-gate static void reap_child(void); 3167c478bd9Sstevel@tonic-gate static void miscpid_insert(pid_t); 3177c478bd9Sstevel@tonic-gate static int miscpid_delete(pid_t); 318032624d5Sbasabi static void contract_set_template(void); 319032624d5Sbasabi static void contract_clear_template(void); 3207c478bd9Sstevel@tonic-gate static void contract_abandon_latest(pid_t); 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate static void cte_init(void); 3237c478bd9Sstevel@tonic-gate static void cte_add(int, char *); 3247c478bd9Sstevel@tonic-gate static void cte_valid(void); 3257c478bd9Sstevel@tonic-gate static int cte_istoomany(void); 3267c478bd9Sstevel@tonic-gate static void cte_sendmail(char *); 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate static int set_user_cred(const struct usr *, struct project *); 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate /* 3317c478bd9Sstevel@tonic-gate * last_time is set immediately prior to exection of an event (via ex()) 3327c478bd9Sstevel@tonic-gate * to indicate the last time an event was executed. This was (surely) 3337c478bd9Sstevel@tonic-gate * it's original intended use. 3347c478bd9Sstevel@tonic-gate */ 3357c478bd9Sstevel@tonic-gate static time_t last_time, init_time, t_old; 336*e2553d68SSerge Dussud static int reset_needed; /* set to 1 when cron(1M) needs to re-initialize */ 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate static int accept_sigcld, notifypipe[2]; 3397c478bd9Sstevel@tonic-gate static sigset_t defmask, childmask; 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* 3427c478bd9Sstevel@tonic-gate * BSM hooks 3437c478bd9Sstevel@tonic-gate */ 3447c478bd9Sstevel@tonic-gate extern int audit_cron_session(char *, char *, uid_t, gid_t, char *); 3457c478bd9Sstevel@tonic-gate extern void audit_cron_new_job(char *, int, void *); 3467c478bd9Sstevel@tonic-gate extern void audit_cron_bad_user(char *); 3477c478bd9Sstevel@tonic-gate extern void audit_cron_user_acct_expired(char *); 3487c478bd9Sstevel@tonic-gate extern int audit_cron_create_anc_file(char *, char *, char *, uid_t); 3497c478bd9Sstevel@tonic-gate extern int audit_cron_delete_anc_file(char *, char *); 3507c478bd9Sstevel@tonic-gate extern int audit_cron_is_anc_name(char *); 3517c478bd9Sstevel@tonic-gate extern int audit_cron_mode(); 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate static int cron_conv(int, struct pam_message **, 3547c478bd9Sstevel@tonic-gate struct pam_response **, void *); 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate static struct pam_conv pam_conv = {cron_conv, NULL}; 3577c478bd9Sstevel@tonic-gate static pam_handle_t *pamh; /* Authentication handle */ 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate /* 3607c478bd9Sstevel@tonic-gate * Function to help check a user's credentials. 3617c478bd9Sstevel@tonic-gate */ 3627c478bd9Sstevel@tonic-gate 3634c4c9110Sbasabi static int verify_user_cred(struct usr *u); 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* 3667c478bd9Sstevel@tonic-gate * Values returned by verify_user_cred and set_user_cred: 3677c478bd9Sstevel@tonic-gate */ 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate #define VUC_OK 0 3707c478bd9Sstevel@tonic-gate #define VUC_BADUSER 1 3717c478bd9Sstevel@tonic-gate #define VUC_NOTINGROUP 2 3727c478bd9Sstevel@tonic-gate #define VUC_EXPIRED 3 3737c478bd9Sstevel@tonic-gate #define VUC_NEW_AUTH 4 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate /* 3767c478bd9Sstevel@tonic-gate * Modes of process_anc_files function 3777c478bd9Sstevel@tonic-gate */ 3787c478bd9Sstevel@tonic-gate #define CRON_ANC_DELETE 1 3797c478bd9Sstevel@tonic-gate #define CRON_ANC_CREATE 0 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate /* 3827c478bd9Sstevel@tonic-gate * Functions to remove a user or job completely from the running database. 3837c478bd9Sstevel@tonic-gate */ 3847c478bd9Sstevel@tonic-gate static void clean_out_atjobs(struct usr *u); 3857c478bd9Sstevel@tonic-gate static void clean_out_ctab(struct usr *u); 3867c478bd9Sstevel@tonic-gate static void clean_out_user(struct usr *u); 3877c478bd9Sstevel@tonic-gate static void cron_unlink(char *name); 3887c478bd9Sstevel@tonic-gate static void process_anc_files(int); 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate /* 3917c478bd9Sstevel@tonic-gate * functions in elm.c 3927c478bd9Sstevel@tonic-gate */ 3937c478bd9Sstevel@tonic-gate extern void el_init(int, time_t, time_t, int); 394*e2553d68SSerge Dussud extern int el_add(void *, time_t, int); 3957c478bd9Sstevel@tonic-gate extern void el_remove(int, int); 3967c478bd9Sstevel@tonic-gate extern int el_empty(void); 3977c478bd9Sstevel@tonic-gate extern void *el_first(void); 3987c478bd9Sstevel@tonic-gate extern void el_delete(void); 3997c478bd9Sstevel@tonic-gate 4004c4c9110Sbasabi static int valid_entry(char *, int); 4014c4c9110Sbasabi static struct usr *create_ulist(char *, int); 4024c4c9110Sbasabi static void init_cronevent(char *, int); 4034c4c9110Sbasabi static void init_atevent(char *, time_t, int, int); 4044c4c9110Sbasabi static void update_atevent(struct usr *, char *, time_t, int); 4054c4c9110Sbasabi 4067c478bd9Sstevel@tonic-gate int 4077c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 4087c478bd9Sstevel@tonic-gate { 4097c478bd9Sstevel@tonic-gate time_t t; 4107c478bd9Sstevel@tonic-gate time_t ne_time; /* amt of time until next event execution */ 4117c478bd9Sstevel@tonic-gate time_t newtime, lastmtime = 0L; 4127c478bd9Sstevel@tonic-gate struct usr *u; 4137c478bd9Sstevel@tonic-gate struct event *e, *e2, *eprev; 4147c478bd9Sstevel@tonic-gate struct stat buf; 4157c478bd9Sstevel@tonic-gate pid_t rfork; 4167c478bd9Sstevel@tonic-gate struct sigaction act; 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate /* 419*e2553d68SSerge Dussud * reset_needed is set to 1 whenever el_add() finds out that a cron 420*e2553d68SSerge Dussud * job is scheduled to be run before the time when cron(1M) daemon 421*e2553d68SSerge Dussud * initialized. 422*e2553d68SSerge Dussud * Other cases where a reset is needed is when ex() finds that the 423*e2553d68SSerge Dussud * event to be executed is being run at the wrong time, or when idle() 424*e2553d68SSerge Dussud * determines that time was reset. 4257c478bd9Sstevel@tonic-gate * We immediately return to the top of the while (TRUE) loop in 426*e2553d68SSerge Dussud * main() where the event list is cleared and rebuilt, and reset_needed 4277c478bd9Sstevel@tonic-gate * is set back to 0. 4287c478bd9Sstevel@tonic-gate */ 429*e2553d68SSerge Dussud reset_needed = 0; 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate /* 4327c478bd9Sstevel@tonic-gate * Only the privileged user can run this command. 4337c478bd9Sstevel@tonic-gate */ 4347c478bd9Sstevel@tonic-gate if (getuid() != 0) 4357c478bd9Sstevel@tonic-gate crabort(NOTALLOWED, 0); 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate begin: 4387c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 4397c478bd9Sstevel@tonic-gate /* fork unless 'nofork' is specified */ 4407c478bd9Sstevel@tonic-gate if ((argc <= 1) || (strcmp(argv[1], "nofork"))) { 4417c478bd9Sstevel@tonic-gate if (rfork = fork()) { 4427c478bd9Sstevel@tonic-gate if (rfork == (pid_t)-1) { 4437c478bd9Sstevel@tonic-gate (void) sleep(30); 4447c478bd9Sstevel@tonic-gate goto begin; 4457c478bd9Sstevel@tonic-gate } 4467c478bd9Sstevel@tonic-gate return (0); 4477c478bd9Sstevel@tonic-gate } 4487c478bd9Sstevel@tonic-gate didfork++; 4497c478bd9Sstevel@tonic-gate (void) setpgrp(); /* detach cron from console */ 4507c478bd9Sstevel@tonic-gate } 4517c478bd9Sstevel@tonic-gate 4527c478bd9Sstevel@tonic-gate (void) umask(022); 4537c478bd9Sstevel@tonic-gate (void) signal(SIGHUP, SIG_IGN); 4547c478bd9Sstevel@tonic-gate (void) signal(SIGINT, SIG_IGN); 4557c478bd9Sstevel@tonic-gate (void) signal(SIGQUIT, SIG_IGN); 4567c478bd9Sstevel@tonic-gate (void) signal(SIGTERM, cronend); 4577c478bd9Sstevel@tonic-gate 4587c478bd9Sstevel@tonic-gate defaults(); 4597c478bd9Sstevel@tonic-gate initialize(1); 4607c478bd9Sstevel@tonic-gate quedefs(DEFAULT); /* load default queue definitions */ 4617c478bd9Sstevel@tonic-gate cron_pid = getpid(); 4627c478bd9Sstevel@tonic-gate msg("*** cron started *** pid = %d", cron_pid); 4637c478bd9Sstevel@tonic-gate (void) sigset(SIGTHAW, thaw_handler); 4647c478bd9Sstevel@tonic-gate /* 4657c478bd9Sstevel@tonic-gate * setup SIGCLD handler/mask 4667c478bd9Sstevel@tonic-gate */ 4677c478bd9Sstevel@tonic-gate act.sa_handler = child_handler; 4687c478bd9Sstevel@tonic-gate act.sa_flags = 0; 4697c478bd9Sstevel@tonic-gate (void) sigemptyset(&act.sa_mask); 4707c478bd9Sstevel@tonic-gate (void) sigaddset(&act.sa_mask, SIGCLD); 4717c478bd9Sstevel@tonic-gate (void) sigaction(SIGCLD, &act, NULL); 4727c478bd9Sstevel@tonic-gate (void) sigemptyset(&childmask); 4737c478bd9Sstevel@tonic-gate (void) sigaddset(&childmask, SIGCLD); 4747c478bd9Sstevel@tonic-gate (void) sigprocmask(SIG_BLOCK, &childmask, &defmask); 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate if (pipe(notifypipe) != 0) { 4777c478bd9Sstevel@tonic-gate crabort("cannot create pipe", REMOVE_FIFO|CONSOLE_MSG); 4787c478bd9Sstevel@tonic-gate } 4797c478bd9Sstevel@tonic-gate /* 4807c478bd9Sstevel@tonic-gate * will set O_NONBLOCK, so that the write() from child_handler 4817c478bd9Sstevel@tonic-gate * never be blocked. 4827c478bd9Sstevel@tonic-gate */ 4837c478bd9Sstevel@tonic-gate (void) fcntl(notifypipe[0], F_SETFL, O_WRONLY|O_NONBLOCK); 4847c478bd9Sstevel@tonic-gate 485*e2553d68SSerge Dussud t_old = init_time; 4867c478bd9Sstevel@tonic-gate last_time = t_old; 4877c478bd9Sstevel@tonic-gate for (;;) { /* MAIN LOOP */ 4887c478bd9Sstevel@tonic-gate t = time(NULL); 489*e2553d68SSerge Dussud if ((t_old > t) || (t-last_time > CUSHION) || reset_needed) { 490*e2553d68SSerge Dussud reset_needed = 0; 4917c478bd9Sstevel@tonic-gate /* the time was set backwards or forward */ 492*e2553d68SSerge Dussud msg("time was reset, re-initializing"); 4937c478bd9Sstevel@tonic-gate el_delete(); 4947c478bd9Sstevel@tonic-gate u = uhead; 4957c478bd9Sstevel@tonic-gate while (u != NULL) { 4967c478bd9Sstevel@tonic-gate rm_ctevents(u); 4977c478bd9Sstevel@tonic-gate e = u->atevents; 4987c478bd9Sstevel@tonic-gate while (e != NULL) { 4997c478bd9Sstevel@tonic-gate free(e->cmd); 5007c478bd9Sstevel@tonic-gate e2 = e->link; 5017c478bd9Sstevel@tonic-gate free(e); 5027c478bd9Sstevel@tonic-gate e = e2; 5037c478bd9Sstevel@tonic-gate } 5047c478bd9Sstevel@tonic-gate u->atevents = NULL; 5057c478bd9Sstevel@tonic-gate u = u->nextusr; 5067c478bd9Sstevel@tonic-gate } 5077c478bd9Sstevel@tonic-gate (void) close(msgfd); 5087c478bd9Sstevel@tonic-gate initialize(0); 5097c478bd9Sstevel@tonic-gate t = time(NULL); 5107c478bd9Sstevel@tonic-gate last_time = t; 511*e2553d68SSerge Dussud /* 512*e2553d68SSerge Dussud * reset_needed might have been set in the functions 513*e2553d68SSerge Dussud * call path from initialize() 514*e2553d68SSerge Dussud */ 515*e2553d68SSerge Dussud if (reset_needed) { 516*e2553d68SSerge Dussud continue; 517*e2553d68SSerge Dussud } 5187c478bd9Sstevel@tonic-gate } 5197c478bd9Sstevel@tonic-gate t_old = t; 5207c478bd9Sstevel@tonic-gate 5217c478bd9Sstevel@tonic-gate if (next_event == NULL && !el_empty()) { 5227c478bd9Sstevel@tonic-gate next_event = (struct event *)el_first(); 5237c478bd9Sstevel@tonic-gate } 5247c478bd9Sstevel@tonic-gate if (next_event == NULL) { 5257c478bd9Sstevel@tonic-gate ne_time = INFINITY; 5267c478bd9Sstevel@tonic-gate } else { 5277c478bd9Sstevel@tonic-gate ne_time = next_event->time - t; 5287c478bd9Sstevel@tonic-gate #ifdef DEBUG 5297c478bd9Sstevel@tonic-gate cftime(timebuf, "%C", &next_event->time); 5307c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "next_time=%ld %s\n", 5314c4c9110Sbasabi next_event->time, timebuf); 5327c478bd9Sstevel@tonic-gate #endif 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate if (ne_time > 0) { 535*e2553d68SSerge Dussud /* 536*e2553d68SSerge Dussud * reset_needed may be set in the functions call path 537*e2553d68SSerge Dussud * from idle() 538*e2553d68SSerge Dussud */ 539*e2553d68SSerge Dussud if (idle(ne_time) || reset_needed) { 540*e2553d68SSerge Dussud reset_needed = 1; 5417c478bd9Sstevel@tonic-gate continue; 542*e2553d68SSerge Dussud } 5437c478bd9Sstevel@tonic-gate } 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate if (stat(QUEDEFS, &buf)) { 5467c478bd9Sstevel@tonic-gate msg("cannot stat QUEDEFS file"); 5477c478bd9Sstevel@tonic-gate } else if (lastmtime != buf.st_mtime) { 5487c478bd9Sstevel@tonic-gate quedefs(LOAD); 5497c478bd9Sstevel@tonic-gate lastmtime = buf.st_mtime; 5507c478bd9Sstevel@tonic-gate } 5517c478bd9Sstevel@tonic-gate 5527c478bd9Sstevel@tonic-gate last_time = next_event->time; /* save execution time */ 5537c478bd9Sstevel@tonic-gate 554*e2553d68SSerge Dussud /* 555*e2553d68SSerge Dussud * reset_needed may be set in the functions call path 556*e2553d68SSerge Dussud * from ex() 557*e2553d68SSerge Dussud */ 558*e2553d68SSerge Dussud if (ex(next_event) || reset_needed) { 559*e2553d68SSerge Dussud reset_needed = 1; 5607c478bd9Sstevel@tonic-gate continue; 561*e2553d68SSerge Dussud } 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate switch (next_event->etype) { 5647c478bd9Sstevel@tonic-gate case CRONEVENT: 5657c478bd9Sstevel@tonic-gate /* add cronevent back into the main event list */ 5667c478bd9Sstevel@tonic-gate if (delayed) { 5677c478bd9Sstevel@tonic-gate delayed = 0; 5687c478bd9Sstevel@tonic-gate break; 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate /* 5727c478bd9Sstevel@tonic-gate * check if time(0)< last_time. if so, then the 5737c478bd9Sstevel@tonic-gate * system clock has gone backwards. to prevent this 5747c478bd9Sstevel@tonic-gate * job from being started twice, we reschedule this 5757c478bd9Sstevel@tonic-gate * job for the >>next time after last_time<<, and 5767c478bd9Sstevel@tonic-gate * then set next_event->time to this. note that 5777c478bd9Sstevel@tonic-gate * crontab's resolution is 1 minute. 5787c478bd9Sstevel@tonic-gate */ 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate if (last_time > time(NULL)) { 5817c478bd9Sstevel@tonic-gate msg(CLOCK_DRIFT); 5827c478bd9Sstevel@tonic-gate /* 5837c478bd9Sstevel@tonic-gate * bump up to next 30 second 5847c478bd9Sstevel@tonic-gate * increment 5857c478bd9Sstevel@tonic-gate * 1 <= newtime <= 30 5867c478bd9Sstevel@tonic-gate */ 5877c478bd9Sstevel@tonic-gate newtime = 30 - (last_time % 30); 5887c478bd9Sstevel@tonic-gate newtime += last_time; 5897c478bd9Sstevel@tonic-gate 5907c478bd9Sstevel@tonic-gate /* 5917c478bd9Sstevel@tonic-gate * get the next scheduled event, 5927c478bd9Sstevel@tonic-gate * not the one that we just 5937c478bd9Sstevel@tonic-gate * kicked off! 5947c478bd9Sstevel@tonic-gate */ 5957c478bd9Sstevel@tonic-gate next_event->time = 5964c4c9110Sbasabi next_time(next_event, newtime); 5977c478bd9Sstevel@tonic-gate t_old = time(NULL); 5987c478bd9Sstevel@tonic-gate } else { 5997c478bd9Sstevel@tonic-gate next_event->time = 6004c4c9110Sbasabi next_time(next_event, (time_t)0); 6017c478bd9Sstevel@tonic-gate } 6027c478bd9Sstevel@tonic-gate #ifdef DEBUG 6037c478bd9Sstevel@tonic-gate cftime(timebuf, "%C", &next_event->time); 6047c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6054c4c9110Sbasabi "pushing back cron event %s at %ld (%s)\n", 6064c4c9110Sbasabi next_event->cmd, next_event->time, timebuf); 6077c478bd9Sstevel@tonic-gate #endif 6087c478bd9Sstevel@tonic-gate 609*e2553d68SSerge Dussud switch (el_add(next_event, next_event->time, 610*e2553d68SSerge Dussud (next_event->u)->ctid)) { 611*e2553d68SSerge Dussud case -1: 612*e2553d68SSerge Dussud ignore_msg("main", "cron", next_event); 613*e2553d68SSerge Dussud break; 614*e2553d68SSerge Dussud case -2: /* event time lower than init time */ 615*e2553d68SSerge Dussud reset_needed = 1; 616*e2553d68SSerge Dussud break; 617*e2553d68SSerge Dussud } 6187c478bd9Sstevel@tonic-gate break; 6197c478bd9Sstevel@tonic-gate default: 6207c478bd9Sstevel@tonic-gate /* remove at or batch job from system */ 6217c478bd9Sstevel@tonic-gate if (delayed) { 6227c478bd9Sstevel@tonic-gate delayed = 0; 6237c478bd9Sstevel@tonic-gate break; 6247c478bd9Sstevel@tonic-gate } 6257c478bd9Sstevel@tonic-gate eprev = NULL; 6267c478bd9Sstevel@tonic-gate e = (next_event->u)->atevents; 6277c478bd9Sstevel@tonic-gate while (e != NULL) { 6287c478bd9Sstevel@tonic-gate if (e == next_event) { 6297c478bd9Sstevel@tonic-gate if (eprev == NULL) 6307c478bd9Sstevel@tonic-gate (e->u)->atevents = e->link; 6317c478bd9Sstevel@tonic-gate else 6327c478bd9Sstevel@tonic-gate eprev->link = e->link; 6337c478bd9Sstevel@tonic-gate free(e->cmd); 6347c478bd9Sstevel@tonic-gate free(e); 6357c478bd9Sstevel@tonic-gate break; 6367c478bd9Sstevel@tonic-gate } else { 6377c478bd9Sstevel@tonic-gate eprev = e; 6387c478bd9Sstevel@tonic-gate e = e->link; 6397c478bd9Sstevel@tonic-gate } 6407c478bd9Sstevel@tonic-gate } 6417c478bd9Sstevel@tonic-gate break; 6427c478bd9Sstevel@tonic-gate } 6437c478bd9Sstevel@tonic-gate next_event = NULL; 6447c478bd9Sstevel@tonic-gate } 6457c478bd9Sstevel@tonic-gate 6467c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate static void 6507c478bd9Sstevel@tonic-gate initialize(int firstpass) 6517c478bd9Sstevel@tonic-gate { 6527c478bd9Sstevel@tonic-gate #ifdef DEBUG 6537c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "in initialize\n"); 6547c478bd9Sstevel@tonic-gate #endif 6557c478bd9Sstevel@tonic-gate if (firstpass) { 6567c478bd9Sstevel@tonic-gate /* for mail(1), make sure messages come from root */ 6577c478bd9Sstevel@tonic-gate if (putenv("LOGNAME=root") != 0) { 6587c478bd9Sstevel@tonic-gate crabort("cannot expand env variable", 6594c4c9110Sbasabi REMOVE_FIFO|CONSOLE_MSG); 6607c478bd9Sstevel@tonic-gate } 6617c478bd9Sstevel@tonic-gate if (access(FIFO, R_OK) == -1) { 6627c478bd9Sstevel@tonic-gate if (errno == ENOENT) { 6637c478bd9Sstevel@tonic-gate if (mknod(FIFO, S_IFIFO|0600, 0) != 0) 6647c478bd9Sstevel@tonic-gate crabort("cannot create fifo queue", 6654c4c9110Sbasabi REMOVE_FIFO|CONSOLE_MSG); 6667c478bd9Sstevel@tonic-gate } else { 6677c478bd9Sstevel@tonic-gate if (NOFORK) { 6687c478bd9Sstevel@tonic-gate /* didn't fork... init(1M) is waiting */ 6697c478bd9Sstevel@tonic-gate (void) sleep(60); 6707c478bd9Sstevel@tonic-gate } 6717c478bd9Sstevel@tonic-gate perror("FIFO"); 6727c478bd9Sstevel@tonic-gate crabort("cannot access fifo queue", 6734c4c9110Sbasabi REMOVE_FIFO|CONSOLE_MSG); 6747c478bd9Sstevel@tonic-gate } 6757c478bd9Sstevel@tonic-gate } else { 6767c478bd9Sstevel@tonic-gate if (NOFORK) { 6777c478bd9Sstevel@tonic-gate /* didn't fork... init(1M) is waiting */ 6787c478bd9Sstevel@tonic-gate (void) sleep(60); 6797c478bd9Sstevel@tonic-gate /* 6807c478bd9Sstevel@tonic-gate * the wait is painful, but we don't want 6817c478bd9Sstevel@tonic-gate * init respawning this quickly 6827c478bd9Sstevel@tonic-gate */ 6837c478bd9Sstevel@tonic-gate } 6847c478bd9Sstevel@tonic-gate crabort("cannot start cron; FIFO exists", CONSOLE_MSG); 6857c478bd9Sstevel@tonic-gate } 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate if ((msgfd = open(FIFO, O_RDWR)) < 0) { 6897c478bd9Sstevel@tonic-gate perror("! open"); 6907c478bd9Sstevel@tonic-gate crabort("cannot open fifo queue", REMOVE_FIFO|CONSOLE_MSG); 6917c478bd9Sstevel@tonic-gate } 6927c478bd9Sstevel@tonic-gate 693*e2553d68SSerge Dussud init_time = time(NULL); 694*e2553d68SSerge Dussud el_init(8, init_time, (time_t)(60*60*24), 10); 695*e2553d68SSerge Dussud 6967c478bd9Sstevel@tonic-gate /* 6977c478bd9Sstevel@tonic-gate * read directories, create users list, and add events to the 6987c478bd9Sstevel@tonic-gate * main event list. Only zero user list on firstpass. 6997c478bd9Sstevel@tonic-gate */ 7007c478bd9Sstevel@tonic-gate if (firstpass) 7017c478bd9Sstevel@tonic-gate uhead = NULL; 7024c4c9110Sbasabi read_dirs(firstpass); 7037c478bd9Sstevel@tonic-gate next_event = NULL; 7047c478bd9Sstevel@tonic-gate 7057c478bd9Sstevel@tonic-gate if (!firstpass) 7067c478bd9Sstevel@tonic-gate return; 7077c478bd9Sstevel@tonic-gate 7087c478bd9Sstevel@tonic-gate /* stdout is log file */ 7097c478bd9Sstevel@tonic-gate if (freopen(ACCTFILE, "a", stdout) == NULL) 7107c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "cannot open %s\n", ACCTFILE); 7117c478bd9Sstevel@tonic-gate 7127c478bd9Sstevel@tonic-gate /* log should be root-only */ 7137c478bd9Sstevel@tonic-gate (void) fchmod(1, S_IRUSR|S_IWUSR); 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate /* stderr also goes to ACCTFILE */ 7167c478bd9Sstevel@tonic-gate (void) close(fileno(stderr)); 7177c478bd9Sstevel@tonic-gate (void) dup(1); 7187c478bd9Sstevel@tonic-gate 7197c478bd9Sstevel@tonic-gate /* null for stdin */ 7207c478bd9Sstevel@tonic-gate (void) freopen("/dev/null", "r", stdin); 7217c478bd9Sstevel@tonic-gate 7227c478bd9Sstevel@tonic-gate contract_set_template(); 7237c478bd9Sstevel@tonic-gate } 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate static void 7264c4c9110Sbasabi read_dirs(int first) 7277c478bd9Sstevel@tonic-gate { 7284c4c9110Sbasabi DIR *dir; 7294c4c9110Sbasabi struct dirent *dp; 7304c4c9110Sbasabi char *ptr; 7314c4c9110Sbasabi int jobtype; 7324c4c9110Sbasabi time_t tim; 7334c4c9110Sbasabi 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate if (chdir(CRONDIR) == -1) 7367c478bd9Sstevel@tonic-gate crabort(BADCD, REMOVE_FIFO|CONSOLE_MSG); 7377c478bd9Sstevel@tonic-gate cwd = CRON; 7387c478bd9Sstevel@tonic-gate if ((dir = opendir(".")) == NULL) 7397c478bd9Sstevel@tonic-gate crabort(NOREADDIR, REMOVE_FIFO|CONSOLE_MSG); 7404c4c9110Sbasabi while ((dp = readdir(dir)) != NULL) { 7414c4c9110Sbasabi if (!valid_entry(dp->d_name, CRONEVENT)) 7424c4c9110Sbasabi continue; 7434c4c9110Sbasabi init_cronevent(dp->d_name, first); 7444c4c9110Sbasabi } 7457c478bd9Sstevel@tonic-gate (void) closedir(dir); 7464c4c9110Sbasabi 7477c478bd9Sstevel@tonic-gate if (chdir(ATDIR) == -1) { 7487c478bd9Sstevel@tonic-gate msg("cannot chdir to at directory"); 7497c478bd9Sstevel@tonic-gate return; 7507c478bd9Sstevel@tonic-gate } 7517c478bd9Sstevel@tonic-gate if ((dir = opendir(".")) == NULL) { 7527c478bd9Sstevel@tonic-gate msg("cannot read at at directory"); 7537c478bd9Sstevel@tonic-gate return; 7547c478bd9Sstevel@tonic-gate } 7554c4c9110Sbasabi cwd = AT; 7564c4c9110Sbasabi while ((dp = readdir(dir)) != NULL) { 7574c4c9110Sbasabi if (!valid_entry(dp->d_name, ATEVENT)) 7584c4c9110Sbasabi continue; 7594c4c9110Sbasabi ptr = dp->d_name; 7604c4c9110Sbasabi if (((tim = num(&ptr)) == 0) || (*ptr != '.')) 7614c4c9110Sbasabi continue; 7624c4c9110Sbasabi ptr++; 7634c4c9110Sbasabi if (!isalpha(*ptr)) 7644c4c9110Sbasabi continue; 7654c4c9110Sbasabi jobtype = *ptr - 'a'; 7664c4c9110Sbasabi if (jobtype >= NQUEUE) { 7674c4c9110Sbasabi cron_unlink(dp->d_name); 7684c4c9110Sbasabi continue; 7694c4c9110Sbasabi } 7704c4c9110Sbasabi init_atevent(dp->d_name, tim, jobtype, first); 7714c4c9110Sbasabi } 7727c478bd9Sstevel@tonic-gate (void) closedir(dir); 7737c478bd9Sstevel@tonic-gate } 7747c478bd9Sstevel@tonic-gate 7754c4c9110Sbasabi static int 7764c4c9110Sbasabi valid_entry(char *name, int type) 7777c478bd9Sstevel@tonic-gate { 7784c4c9110Sbasabi struct stat buf; 7797c478bd9Sstevel@tonic-gate 7804c4c9110Sbasabi if (strcmp(name, ".") == 0 || 7814c4c9110Sbasabi strcmp(name, "..") == 0) 7824c4c9110Sbasabi return (0); 7834c4c9110Sbasabi 7844c4c9110Sbasabi /* skip over ancillary file names */ 7854c4c9110Sbasabi if (audit_cron_is_anc_name(name)) 7864c4c9110Sbasabi return (0); 7874c4c9110Sbasabi 7884c4c9110Sbasabi if (stat(name, &buf)) { 7894c4c9110Sbasabi mail(name, BADSTAT, ERR_UNIXERR); 7904c4c9110Sbasabi cron_unlink(name); 7914c4c9110Sbasabi return (0); 7924c4c9110Sbasabi } 7934c4c9110Sbasabi if (!S_ISREG(buf.st_mode)) { 7944c4c9110Sbasabi mail(name, BADTYPE, ERR_NOTREG); 7954c4c9110Sbasabi cron_unlink(name); 7964c4c9110Sbasabi return (0); 7974c4c9110Sbasabi } 7984c4c9110Sbasabi if (type == ATEVENT) { 7994c4c9110Sbasabi if (!(buf.st_mode & ISUID)) { 8004c4c9110Sbasabi cron_unlink(name); 8014c4c9110Sbasabi return (0); 8024c4c9110Sbasabi } 8034c4c9110Sbasabi } 8044c4c9110Sbasabi return (1); 8054c4c9110Sbasabi } 8064c4c9110Sbasabi 8074c4c9110Sbasabi struct usr * 8084c4c9110Sbasabi create_ulist(char *name, int type) 8094c4c9110Sbasabi { 8104c4c9110Sbasabi struct usr *u; 8114c4c9110Sbasabi 8124c4c9110Sbasabi u = xmalloc(sizeof (struct usr)); 8134c4c9110Sbasabi u->name = xmalloc(strlen(name) + 1); 8144c4c9110Sbasabi (void) strcpy(u->name, name); 8154c4c9110Sbasabi u->home = NULL; 8164c4c9110Sbasabi if (type == CRONEVENT) { 8174c4c9110Sbasabi u->ctexists = TRUE; 8184c4c9110Sbasabi u->ctid = ecid++; 8194c4c9110Sbasabi } else { 8204c4c9110Sbasabi u->ctexists = FALSE; 8214c4c9110Sbasabi u->ctid = 0; 8224c4c9110Sbasabi } 8234c4c9110Sbasabi u->ctevents = NULL; 8244c4c9110Sbasabi u->atevents = NULL; 8254c4c9110Sbasabi u->aruncnt = 0; 8264c4c9110Sbasabi u->cruncnt = 0; 8274c4c9110Sbasabi u->nextusr = uhead; 8284c4c9110Sbasabi uhead = u; 8294c4c9110Sbasabi return (u); 8304c4c9110Sbasabi } 8314c4c9110Sbasabi 8324c4c9110Sbasabi void 8334c4c9110Sbasabi init_cronevent(char *name, int first) 8344c4c9110Sbasabi { 8354c4c9110Sbasabi struct usr *u; 8364c4c9110Sbasabi 8374c4c9110Sbasabi if (first) { 8384c4c9110Sbasabi u = create_ulist(name, CRONEVENT); 8394c4c9110Sbasabi readcron(u, 0); 8404c4c9110Sbasabi } else { 8414c4c9110Sbasabi if ((u = find_usr(name)) == NULL) { 8424c4c9110Sbasabi u = create_ulist(name, CRONEVENT); 8434c4c9110Sbasabi readcron(u, 0); 8444c4c9110Sbasabi } else { 8454c4c9110Sbasabi u->ctexists = TRUE; 8464c4c9110Sbasabi rm_ctevents(u); 8474c4c9110Sbasabi el_remove(u->ctid, 0); 8484c4c9110Sbasabi readcron(u, 0); 8494c4c9110Sbasabi } 8504c4c9110Sbasabi } 8514c4c9110Sbasabi } 8524c4c9110Sbasabi 8534c4c9110Sbasabi void 8544c4c9110Sbasabi init_atevent(char *name, time_t tim, int jobtype, int first) 8554c4c9110Sbasabi { 8564c4c9110Sbasabi struct usr *u; 8574c4c9110Sbasabi 8584c4c9110Sbasabi if (first) { 8594c4c9110Sbasabi u = create_ulist(name, ATEVENT); 8604c4c9110Sbasabi add_atevent(u, name, tim, jobtype); 8614c4c9110Sbasabi } else { 8624c4c9110Sbasabi if ((u = find_usr(name)) == NULL) { 8634c4c9110Sbasabi u = create_ulist(name, ATEVENT); 8644c4c9110Sbasabi add_atevent(u, name, tim, jobtype); 8654c4c9110Sbasabi } else { 8664c4c9110Sbasabi update_atevent(u, name, tim, jobtype); 8677c478bd9Sstevel@tonic-gate } 8687c478bd9Sstevel@tonic-gate } 8697c478bd9Sstevel@tonic-gate } 8707c478bd9Sstevel@tonic-gate 8717c478bd9Sstevel@tonic-gate static void 8727c478bd9Sstevel@tonic-gate mod_ctab(char *name, time_t reftime) 8737c478bd9Sstevel@tonic-gate { 8747c478bd9Sstevel@tonic-gate struct passwd *pw; 8757c478bd9Sstevel@tonic-gate struct stat buf; 8767c478bd9Sstevel@tonic-gate struct usr *u; 8777c478bd9Sstevel@tonic-gate char namebuf[PATH_MAX]; 8787c478bd9Sstevel@tonic-gate char *pname; 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate /* skip over ancillary file names */ 8817c478bd9Sstevel@tonic-gate if (audit_cron_is_anc_name(name)) 8827c478bd9Sstevel@tonic-gate return; 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate if ((pw = getpwnam(name)) == NULL) { 8857c478bd9Sstevel@tonic-gate msg("No such user as %s - cron entries not created", name); 8867c478bd9Sstevel@tonic-gate return; 8877c478bd9Sstevel@tonic-gate } 8887c478bd9Sstevel@tonic-gate if (cwd != CRON) { 8897c478bd9Sstevel@tonic-gate if (snprintf(namebuf, sizeof (namebuf), "%s/%s", 8904c4c9110Sbasabi CRONDIR, name) >= sizeof (namebuf)) { 8917c478bd9Sstevel@tonic-gate msg("Too long path name %s - cron entries not created", 8924c4c9110Sbasabi namebuf); 8937c478bd9Sstevel@tonic-gate return; 8947c478bd9Sstevel@tonic-gate } 8957c478bd9Sstevel@tonic-gate pname = namebuf; 8967c478bd9Sstevel@tonic-gate } else { 8977c478bd9Sstevel@tonic-gate pname = name; 8987c478bd9Sstevel@tonic-gate } 8997c478bd9Sstevel@tonic-gate /* 9007c478bd9Sstevel@tonic-gate * a warning message is given by the crontab command so there is 9017c478bd9Sstevel@tonic-gate * no need to give one here...... use this code if you only want 9027c478bd9Sstevel@tonic-gate * users with a login shell of /usr/bin/sh to use cron 9037c478bd9Sstevel@tonic-gate */ 9047c478bd9Sstevel@tonic-gate #ifdef BOURNESHELLONLY 9057c478bd9Sstevel@tonic-gate if ((strcmp(pw->pw_shell, "") != 0) && 9067c478bd9Sstevel@tonic-gate (strcmp(pw->pw_shell, SHELL) != 0)) { 9077c478bd9Sstevel@tonic-gate mail(name, BADSHELL, ERR_CANTEXECCRON); 9087c478bd9Sstevel@tonic-gate cron_unlink(pname); 9097c478bd9Sstevel@tonic-gate return; 9107c478bd9Sstevel@tonic-gate } 9117c478bd9Sstevel@tonic-gate #endif 9127c478bd9Sstevel@tonic-gate if (stat(pname, &buf)) { 9137c478bd9Sstevel@tonic-gate mail(name, BADSTAT, ERR_UNIXERR); 9147c478bd9Sstevel@tonic-gate cron_unlink(pname); 9157c478bd9Sstevel@tonic-gate return; 9167c478bd9Sstevel@tonic-gate } 9177c478bd9Sstevel@tonic-gate if (!S_ISREG(buf.st_mode)) { 9187c478bd9Sstevel@tonic-gate mail(name, BADTYPE, ERR_CRONTABENT); 9197c478bd9Sstevel@tonic-gate return; 9207c478bd9Sstevel@tonic-gate } 9217c478bd9Sstevel@tonic-gate if ((u = find_usr(name)) == NULL) { 9227c478bd9Sstevel@tonic-gate #ifdef DEBUG 9237c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "new user (%s) with a crontab\n", name); 9247c478bd9Sstevel@tonic-gate #endif 9254c4c9110Sbasabi u = create_ulist(name, CRONEVENT); 9264c4c9110Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 9277c478bd9Sstevel@tonic-gate (void) strcpy(u->home, pw->pw_dir); 9287c478bd9Sstevel@tonic-gate u->uid = pw->pw_uid; 9297c478bd9Sstevel@tonic-gate u->gid = pw->pw_gid; 9307c478bd9Sstevel@tonic-gate readcron(u, reftime); 9317c478bd9Sstevel@tonic-gate } else { 9327c478bd9Sstevel@tonic-gate u->uid = pw->pw_uid; 9337c478bd9Sstevel@tonic-gate u->gid = pw->pw_gid; 934d9f27107Sbasabi if (u->home != NULL) { 935d9f27107Sbasabi if (strcmp(u->home, pw->pw_dir) != 0) { 936d9f27107Sbasabi free(u->home); 937d9f27107Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 938d9f27107Sbasabi (void) strcpy(u->home, pw->pw_dir); 939d9f27107Sbasabi } 940d9f27107Sbasabi } else { 9414c4c9110Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 9427c478bd9Sstevel@tonic-gate (void) strcpy(u->home, pw->pw_dir); 9437c478bd9Sstevel@tonic-gate } 9447c478bd9Sstevel@tonic-gate u->ctexists = TRUE; 9457c478bd9Sstevel@tonic-gate if (u->ctid == 0) { 9467c478bd9Sstevel@tonic-gate #ifdef DEBUG 9477c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s now has a crontab\n", 9487c478bd9Sstevel@tonic-gate u->name); 9497c478bd9Sstevel@tonic-gate #endif 9507c478bd9Sstevel@tonic-gate /* user didnt have a crontab last time */ 9517c478bd9Sstevel@tonic-gate u->ctid = ecid++; 9527c478bd9Sstevel@tonic-gate u->ctevents = NULL; 9537c478bd9Sstevel@tonic-gate readcron(u, reftime); 9547c478bd9Sstevel@tonic-gate return; 9557c478bd9Sstevel@tonic-gate } 9567c478bd9Sstevel@tonic-gate #ifdef DEBUG 9577c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s has revised his crontab\n", u->name); 9587c478bd9Sstevel@tonic-gate #endif 9597c478bd9Sstevel@tonic-gate rm_ctevents(u); 9607c478bd9Sstevel@tonic-gate el_remove(u->ctid, 0); 9617c478bd9Sstevel@tonic-gate readcron(u, reftime); 9627c478bd9Sstevel@tonic-gate } 9637c478bd9Sstevel@tonic-gate } 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate /* ARGSUSED */ 9667c478bd9Sstevel@tonic-gate static void 9677c478bd9Sstevel@tonic-gate mod_atjob(char *name, time_t reftime) 9687c478bd9Sstevel@tonic-gate { 9697c478bd9Sstevel@tonic-gate char *ptr; 9707c478bd9Sstevel@tonic-gate time_t tim; 9717c478bd9Sstevel@tonic-gate struct passwd *pw; 9727c478bd9Sstevel@tonic-gate struct stat buf; 9737c478bd9Sstevel@tonic-gate struct usr *u; 9747c478bd9Sstevel@tonic-gate char namebuf[PATH_MAX]; 9757c478bd9Sstevel@tonic-gate char *pname; 9767c478bd9Sstevel@tonic-gate int jobtype; 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate ptr = name; 9797c478bd9Sstevel@tonic-gate if (((tim = num(&ptr)) == 0) || (*ptr != '.')) 9807c478bd9Sstevel@tonic-gate return; 9817c478bd9Sstevel@tonic-gate ptr++; 9827c478bd9Sstevel@tonic-gate if (!isalpha(*ptr)) 9837c478bd9Sstevel@tonic-gate return; 9847c478bd9Sstevel@tonic-gate jobtype = *ptr - 'a'; 9857c478bd9Sstevel@tonic-gate 9867c478bd9Sstevel@tonic-gate /* check for audit ancillary file */ 9877c478bd9Sstevel@tonic-gate if (audit_cron_is_anc_name(name)) 9887c478bd9Sstevel@tonic-gate return; 9897c478bd9Sstevel@tonic-gate 9907c478bd9Sstevel@tonic-gate if (cwd != AT) { 9917c478bd9Sstevel@tonic-gate if (snprintf(namebuf, sizeof (namebuf), "%s/%s", ATDIR, name) 9927c478bd9Sstevel@tonic-gate >= sizeof (namebuf)) { 9937c478bd9Sstevel@tonic-gate return; 9947c478bd9Sstevel@tonic-gate } 9957c478bd9Sstevel@tonic-gate pname = namebuf; 9967c478bd9Sstevel@tonic-gate } else { 9977c478bd9Sstevel@tonic-gate pname = name; 9987c478bd9Sstevel@tonic-gate } 9997c478bd9Sstevel@tonic-gate if (stat(pname, &buf) || jobtype >= NQUEUE) { 10007c478bd9Sstevel@tonic-gate cron_unlink(pname); 10017c478bd9Sstevel@tonic-gate return; 10027c478bd9Sstevel@tonic-gate } 10037c478bd9Sstevel@tonic-gate if (!(buf.st_mode & ISUID) || !S_ISREG(buf.st_mode)) { 10047c478bd9Sstevel@tonic-gate cron_unlink(pname); 10057c478bd9Sstevel@tonic-gate return; 10067c478bd9Sstevel@tonic-gate } 10077c478bd9Sstevel@tonic-gate if ((pw = getpwuid(buf.st_uid)) == NULL) { 10087c478bd9Sstevel@tonic-gate cron_unlink(pname); 10097c478bd9Sstevel@tonic-gate return; 10107c478bd9Sstevel@tonic-gate } 10117c478bd9Sstevel@tonic-gate /* 10127c478bd9Sstevel@tonic-gate * a warning message is given by the at command so there is no 10137c478bd9Sstevel@tonic-gate * need to give one here......use this code if you only want 10147c478bd9Sstevel@tonic-gate * users with a login shell of /usr/bin/sh to use cron 10157c478bd9Sstevel@tonic-gate */ 10167c478bd9Sstevel@tonic-gate #ifdef BOURNESHELLONLY 10177c478bd9Sstevel@tonic-gate if ((strcmp(pw->pw_shell, "") != 0) && 10187c478bd9Sstevel@tonic-gate (strcmp(pw->pw_shell, SHELL) != 0)) { 10197c478bd9Sstevel@tonic-gate mail(pw->pw_name, BADSHELL, ERR_CANTEXECAT); 10207c478bd9Sstevel@tonic-gate cron_unlink(pname); 10217c478bd9Sstevel@tonic-gate return; 10227c478bd9Sstevel@tonic-gate } 10237c478bd9Sstevel@tonic-gate #endif 10247c478bd9Sstevel@tonic-gate if ((u = find_usr(pw->pw_name)) == NULL) { 10257c478bd9Sstevel@tonic-gate #ifdef DEBUG 10267c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "new user (%s) with an at job = %s\n", 10274c4c9110Sbasabi pw->pw_name, name); 10287c478bd9Sstevel@tonic-gate #endif 10294c4c9110Sbasabi u = create_ulist(pw->pw_name, ATEVENT); 10304c4c9110Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 10317c478bd9Sstevel@tonic-gate (void) strcpy(u->home, pw->pw_dir); 10327c478bd9Sstevel@tonic-gate u->uid = pw->pw_uid; 10337c478bd9Sstevel@tonic-gate u->gid = pw->pw_gid; 10347c478bd9Sstevel@tonic-gate add_atevent(u, name, tim, jobtype); 10357c478bd9Sstevel@tonic-gate } else { 10367c478bd9Sstevel@tonic-gate u->uid = pw->pw_uid; 10377c478bd9Sstevel@tonic-gate u->gid = pw->pw_gid; 10384c4c9110Sbasabi free(u->home); 10394c4c9110Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 10404c4c9110Sbasabi (void) strcpy(u->home, pw->pw_dir); 10414c4c9110Sbasabi update_atevent(u, name, tim, jobtype); 10427c478bd9Sstevel@tonic-gate } 10437c478bd9Sstevel@tonic-gate } 10447c478bd9Sstevel@tonic-gate 10457c478bd9Sstevel@tonic-gate static void 10467c478bd9Sstevel@tonic-gate add_atevent(struct usr *u, char *job, time_t tim, int jobtype) 10477c478bd9Sstevel@tonic-gate { 10487c478bd9Sstevel@tonic-gate struct event *e; 10497c478bd9Sstevel@tonic-gate 10507c478bd9Sstevel@tonic-gate e = xmalloc(sizeof (struct event)); 10517c478bd9Sstevel@tonic-gate e->etype = jobtype; 10524c4c9110Sbasabi e->cmd = xmalloc(strlen(job) + 1); 10537c478bd9Sstevel@tonic-gate (void) strcpy(e->cmd, job); 10547c478bd9Sstevel@tonic-gate e->u = u; 10557c478bd9Sstevel@tonic-gate e->link = u->atevents; 10567c478bd9Sstevel@tonic-gate u->atevents = e; 10577c478bd9Sstevel@tonic-gate e->of.at.exists = TRUE; 10587c478bd9Sstevel@tonic-gate e->of.at.eventid = ecid++; 10597c478bd9Sstevel@tonic-gate if (tim < init_time) /* old job */ 10607c478bd9Sstevel@tonic-gate e->time = init_time; 10617c478bd9Sstevel@tonic-gate else 10627c478bd9Sstevel@tonic-gate e->time = tim; 10637c478bd9Sstevel@tonic-gate #ifdef DEBUG 10647c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "add_atevent: user=%s, job=%s, time=%ld\n", 10654c4c9110Sbasabi u->name, e->cmd, e->time); 10667c478bd9Sstevel@tonic-gate #endif 1067*e2553d68SSerge Dussud if (el_add(e, e->time, e->of.at.eventid) < 0) { 1068*e2553d68SSerge Dussud ignore_msg("add_atevent", "at", e); 1069*e2553d68SSerge Dussud } 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate 10724c4c9110Sbasabi void 10734c4c9110Sbasabi update_atevent(struct usr *u, char *name, time_t tim, int jobtype) 10744c4c9110Sbasabi { 10754c4c9110Sbasabi struct event *e; 10764c4c9110Sbasabi 10774c4c9110Sbasabi e = u->atevents; 10784c4c9110Sbasabi while (e != NULL) { 10794c4c9110Sbasabi if (strcmp(e->cmd, name) == 0) { 10804c4c9110Sbasabi e->of.at.exists = TRUE; 10814c4c9110Sbasabi break; 10824c4c9110Sbasabi } else { 10834c4c9110Sbasabi e = e->link; 10844c4c9110Sbasabi } 10854c4c9110Sbasabi } 10864c4c9110Sbasabi if (e == NULL) { 10874c4c9110Sbasabi #ifdef DEBUG 10884c4c9110Sbasabi (void) fprintf(stderr, "%s has a new at job = %s\n", 10894c4c9110Sbasabi u->name, name); 10904c4c9110Sbasabi #endif 10914c4c9110Sbasabi add_atevent(u, name, tim, jobtype); 10924c4c9110Sbasabi } 10934c4c9110Sbasabi } 10947c478bd9Sstevel@tonic-gate 10957c478bd9Sstevel@tonic-gate static char line[CTLINESIZE]; /* holds a line from a crontab file */ 10967c478bd9Sstevel@tonic-gate static int cursor; /* cursor for the above line */ 10977c478bd9Sstevel@tonic-gate 10987c478bd9Sstevel@tonic-gate static void 10997c478bd9Sstevel@tonic-gate readcron(struct usr *u, time_t reftime) 11007c478bd9Sstevel@tonic-gate { 11017c478bd9Sstevel@tonic-gate /* 11027c478bd9Sstevel@tonic-gate * readcron reads in a crontab file for a user (u). The list of 11037c478bd9Sstevel@tonic-gate * events for user u is built, and u->events is made to point to 11047c478bd9Sstevel@tonic-gate * this list. Each event is also entered into the main event 11057c478bd9Sstevel@tonic-gate * list. 11067c478bd9Sstevel@tonic-gate */ 11077c478bd9Sstevel@tonic-gate FILE *cf; /* cf will be a user's crontab file */ 11087c478bd9Sstevel@tonic-gate struct event *e; 11097c478bd9Sstevel@tonic-gate int start; 11107c478bd9Sstevel@tonic-gate unsigned int i; 11117c478bd9Sstevel@tonic-gate char namebuf[PATH_MAX]; 11127c478bd9Sstevel@tonic-gate char *pname; 11137c478bd9Sstevel@tonic-gate int lineno = 0; 11147c478bd9Sstevel@tonic-gate 11157c478bd9Sstevel@tonic-gate /* read the crontab file */ 11167c478bd9Sstevel@tonic-gate cte_init(); /* Init error handling */ 11177c478bd9Sstevel@tonic-gate if (cwd != CRON) { 11187c478bd9Sstevel@tonic-gate if (snprintf(namebuf, sizeof (namebuf), "%s/%s", 11197c478bd9Sstevel@tonic-gate CRONDIR, u->name) >= sizeof (namebuf)) { 11207c478bd9Sstevel@tonic-gate return; 11217c478bd9Sstevel@tonic-gate } 11227c478bd9Sstevel@tonic-gate pname = namebuf; 11237c478bd9Sstevel@tonic-gate } else { 11247c478bd9Sstevel@tonic-gate pname = u->name; 11257c478bd9Sstevel@tonic-gate } 11267c478bd9Sstevel@tonic-gate if ((cf = fopen(pname, "r")) == NULL) { 11277c478bd9Sstevel@tonic-gate mail(u->name, NOREAD, ERR_UNIXERR); 11287c478bd9Sstevel@tonic-gate return; 11297c478bd9Sstevel@tonic-gate } 11307c478bd9Sstevel@tonic-gate while (fgets(line, CTLINESIZE, cf) != NULL) { 11317c478bd9Sstevel@tonic-gate /* process a line of a crontab file */ 11327c478bd9Sstevel@tonic-gate lineno++; 11337c478bd9Sstevel@tonic-gate if (cte_istoomany()) 11347c478bd9Sstevel@tonic-gate break; 11357c478bd9Sstevel@tonic-gate cursor = 0; 11367c478bd9Sstevel@tonic-gate while (line[cursor] == ' ' || line[cursor] == '\t') 11377c478bd9Sstevel@tonic-gate cursor++; 11387c478bd9Sstevel@tonic-gate if (line[cursor] == '#' || line[cursor] == '\n') 11397c478bd9Sstevel@tonic-gate continue; 11407c478bd9Sstevel@tonic-gate e = xmalloc(sizeof (struct event)); 11417c478bd9Sstevel@tonic-gate e->etype = CRONEVENT; 11427c478bd9Sstevel@tonic-gate if (!(((e->of.ct.minute = next_field(0, 59)) != NULL) && 11437c478bd9Sstevel@tonic-gate ((e->of.ct.hour = next_field(0, 23)) != NULL) && 11447c478bd9Sstevel@tonic-gate ((e->of.ct.daymon = next_field(1, 31)) != NULL) && 11457c478bd9Sstevel@tonic-gate ((e->of.ct.month = next_field(1, 12)) != NULL) && 11467c478bd9Sstevel@tonic-gate ((e->of.ct.dayweek = next_field(0, 6)) != NULL))) { 11477c478bd9Sstevel@tonic-gate free(e); 11487c478bd9Sstevel@tonic-gate cte_add(lineno, line); 11497c478bd9Sstevel@tonic-gate continue; 11507c478bd9Sstevel@tonic-gate } 11517c478bd9Sstevel@tonic-gate while (line[cursor] == ' ' || line[cursor] == '\t') 11527c478bd9Sstevel@tonic-gate cursor++; 11537c478bd9Sstevel@tonic-gate if (line[cursor] == '\n' || line[cursor] == '\0') 11547c478bd9Sstevel@tonic-gate continue; 11557c478bd9Sstevel@tonic-gate /* get the command to execute */ 11567c478bd9Sstevel@tonic-gate start = cursor; 11577c478bd9Sstevel@tonic-gate again: 11587c478bd9Sstevel@tonic-gate while ((line[cursor] != '%') && 11597c478bd9Sstevel@tonic-gate (line[cursor] != '\n') && 11607c478bd9Sstevel@tonic-gate (line[cursor] != '\0') && 11617c478bd9Sstevel@tonic-gate (line[cursor] != '\\')) 11627c478bd9Sstevel@tonic-gate cursor++; 11637c478bd9Sstevel@tonic-gate if (line[cursor] == '\\') { 11647c478bd9Sstevel@tonic-gate cursor += 2; 11657c478bd9Sstevel@tonic-gate goto again; 11667c478bd9Sstevel@tonic-gate } 11674c4c9110Sbasabi e->cmd = xmalloc(cursor-start + 1); 11684c4c9110Sbasabi (void) strncpy(e->cmd, line + start, cursor-start); 11697c478bd9Sstevel@tonic-gate e->cmd[cursor-start] = '\0'; 11707c478bd9Sstevel@tonic-gate /* see if there is any standard input */ 11717c478bd9Sstevel@tonic-gate if (line[cursor] == '%') { 11724c4c9110Sbasabi e->of.ct.input = xmalloc(strlen(line)-cursor + 1); 11734c4c9110Sbasabi (void) strcpy(e->of.ct.input, line + cursor + 1); 11747c478bd9Sstevel@tonic-gate for (i = 0; i < strlen(e->of.ct.input); i++) { 11757c478bd9Sstevel@tonic-gate if (e->of.ct.input[i] == '%') 11767c478bd9Sstevel@tonic-gate e->of.ct.input[i] = '\n'; 11777c478bd9Sstevel@tonic-gate } 11787c478bd9Sstevel@tonic-gate } else { 11797c478bd9Sstevel@tonic-gate e->of.ct.input = NULL; 11807c478bd9Sstevel@tonic-gate } 11817c478bd9Sstevel@tonic-gate /* have the event point to it's owner */ 11827c478bd9Sstevel@tonic-gate e->u = u; 11837c478bd9Sstevel@tonic-gate /* insert this event at the front of this user's event list */ 11847c478bd9Sstevel@tonic-gate e->link = u->ctevents; 11857c478bd9Sstevel@tonic-gate u->ctevents = e; 11867c478bd9Sstevel@tonic-gate /* set the time for the first occurance of this event */ 11877c478bd9Sstevel@tonic-gate e->time = next_time(e, reftime); 11887c478bd9Sstevel@tonic-gate /* finally, add this event to the main event list */ 1189*e2553d68SSerge Dussud switch (el_add(e, e->time, u->ctid)) { 1190*e2553d68SSerge Dussud case -1: 1191*e2553d68SSerge Dussud ignore_msg("readcron", "cron", e); 1192*e2553d68SSerge Dussud break; 1193*e2553d68SSerge Dussud case -2: /* event time lower than init time */ 1194*e2553d68SSerge Dussud reset_needed = 1; 1195*e2553d68SSerge Dussud break; 1196*e2553d68SSerge Dussud } 11977c478bd9Sstevel@tonic-gate cte_valid(); 11987c478bd9Sstevel@tonic-gate #ifdef DEBUG 11997c478bd9Sstevel@tonic-gate cftime(timebuf, "%C", &e->time); 12007c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "inserting cron event %s at %ld (%s)\n", 12014c4c9110Sbasabi e->cmd, e->time, timebuf); 12027c478bd9Sstevel@tonic-gate #endif 12037c478bd9Sstevel@tonic-gate } 12047c478bd9Sstevel@tonic-gate cte_sendmail(u->name); /* mail errors if any to user */ 12057c478bd9Sstevel@tonic-gate (void) fclose(cf); 12067c478bd9Sstevel@tonic-gate } 12077c478bd9Sstevel@tonic-gate 12087c478bd9Sstevel@tonic-gate /* 12097c478bd9Sstevel@tonic-gate * Below are the functions for handling of errors in crontabs. Concept is to 12107c478bd9Sstevel@tonic-gate * collect faulty lines and send one email at the end of the crontab 12117c478bd9Sstevel@tonic-gate * evaluation. If there are erroneous lines only ((cte_nvalid == 0), evaluation 12127c478bd9Sstevel@tonic-gate * of crontab is aborted. Otherwise reading of crontab is continued to the end 12137c478bd9Sstevel@tonic-gate * of the file but no further error logging appears. 12147c478bd9Sstevel@tonic-gate */ 12157c478bd9Sstevel@tonic-gate static void 12167c478bd9Sstevel@tonic-gate cte_init() 12177c478bd9Sstevel@tonic-gate { 12187c478bd9Sstevel@tonic-gate if (cte_text == NULL) 12197c478bd9Sstevel@tonic-gate cte_text = xmalloc(MAILBUFLEN); 12207c478bd9Sstevel@tonic-gate (void) strlcpy(cte_text, cte_intro, MAILBUFLEN); 12217c478bd9Sstevel@tonic-gate cte_lp = cte_text + sizeof (cte_intro) - 1; 12227c478bd9Sstevel@tonic-gate cte_free = MAILBINITFREE; 12237c478bd9Sstevel@tonic-gate cte_nvalid = 0; 12247c478bd9Sstevel@tonic-gate } 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate static void 12277c478bd9Sstevel@tonic-gate cte_add(int lineno, char *ctline) 12287c478bd9Sstevel@tonic-gate { 12297c478bd9Sstevel@tonic-gate int len; 12307c478bd9Sstevel@tonic-gate char *p; 12317c478bd9Sstevel@tonic-gate 12327c478bd9Sstevel@tonic-gate if (cte_free >= LINELIMIT) { 12337c478bd9Sstevel@tonic-gate (void) sprintf(cte_lp, "%4d: ", lineno); 12347c478bd9Sstevel@tonic-gate (void) strlcat(cte_lp, ctline, LINELIMIT - 1); 12357c478bd9Sstevel@tonic-gate len = strlen(cte_lp); 12367c478bd9Sstevel@tonic-gate if (cte_lp[len - 1] != '\n') { 12377c478bd9Sstevel@tonic-gate cte_lp[len++] = '\n'; 12387c478bd9Sstevel@tonic-gate cte_lp[len] = '\0'; 12397c478bd9Sstevel@tonic-gate } 12407c478bd9Sstevel@tonic-gate for (p = cte_lp; *p; p++) { 12417c478bd9Sstevel@tonic-gate if (isprint(*p) || *p == '\n' || *p == '\t') 12427c478bd9Sstevel@tonic-gate continue; 12437c478bd9Sstevel@tonic-gate *p = '.'; 12447c478bd9Sstevel@tonic-gate } 12457c478bd9Sstevel@tonic-gate cte_lp += len; 12467c478bd9Sstevel@tonic-gate cte_free -= len; 12477c478bd9Sstevel@tonic-gate if (cte_free < LINELIMIT) { 12487c478bd9Sstevel@tonic-gate size_t buflen = MAILBUFLEN - (cte_lp - cte_text); 12497c478bd9Sstevel@tonic-gate (void) strlcpy(cte_lp, cte_trail1, buflen); 12507c478bd9Sstevel@tonic-gate if (cte_nvalid == 0) 12517c478bd9Sstevel@tonic-gate (void) strlcat(cte_lp, cte_trail2, buflen); 12527c478bd9Sstevel@tonic-gate } 12537c478bd9Sstevel@tonic-gate } 12547c478bd9Sstevel@tonic-gate } 12557c478bd9Sstevel@tonic-gate 12567c478bd9Sstevel@tonic-gate static void 12577c478bd9Sstevel@tonic-gate cte_valid() 12587c478bd9Sstevel@tonic-gate { 12597c478bd9Sstevel@tonic-gate cte_nvalid++; 12607c478bd9Sstevel@tonic-gate } 12617c478bd9Sstevel@tonic-gate 12627c478bd9Sstevel@tonic-gate static int 12637c478bd9Sstevel@tonic-gate cte_istoomany() 12647c478bd9Sstevel@tonic-gate { 12657c478bd9Sstevel@tonic-gate /* 12667c478bd9Sstevel@tonic-gate * Return TRUE only if all lines are faulty. So evaluation of 12677c478bd9Sstevel@tonic-gate * a crontab is not aborted if at least one valid line was found. 12687c478bd9Sstevel@tonic-gate */ 12697c478bd9Sstevel@tonic-gate return (cte_nvalid == 0 && cte_free < LINELIMIT); 12707c478bd9Sstevel@tonic-gate } 12717c478bd9Sstevel@tonic-gate 12727c478bd9Sstevel@tonic-gate static void 12737c478bd9Sstevel@tonic-gate cte_sendmail(char *username) 12747c478bd9Sstevel@tonic-gate { 12757c478bd9Sstevel@tonic-gate if (cte_free < MAILBINITFREE) 12767c478bd9Sstevel@tonic-gate mail(username, cte_text, ERR_CRONTABENT); 12777c478bd9Sstevel@tonic-gate } 12787c478bd9Sstevel@tonic-gate 12797c478bd9Sstevel@tonic-gate /* 12807c478bd9Sstevel@tonic-gate * Send mail with error message to a user 12817c478bd9Sstevel@tonic-gate */ 12827c478bd9Sstevel@tonic-gate static void 12837c478bd9Sstevel@tonic-gate mail(char *usrname, char *mesg, int format) 12847c478bd9Sstevel@tonic-gate { 12857c478bd9Sstevel@tonic-gate /* mail mails a user a message. */ 12867c478bd9Sstevel@tonic-gate FILE *pipe; 12877c478bd9Sstevel@tonic-gate char *temp; 12887c478bd9Sstevel@tonic-gate struct passwd *ruser_ids; 12897c478bd9Sstevel@tonic-gate pid_t fork_val; 12907c478bd9Sstevel@tonic-gate int saveerrno = errno; 12917c478bd9Sstevel@tonic-gate struct utsname name; 12927c478bd9Sstevel@tonic-gate 12937c478bd9Sstevel@tonic-gate #ifdef TESTING 12947c478bd9Sstevel@tonic-gate return; 12957c478bd9Sstevel@tonic-gate #endif 12967c478bd9Sstevel@tonic-gate (void) uname(&name); 12977c478bd9Sstevel@tonic-gate if ((fork_val = fork()) == (pid_t)-1) { 12987c478bd9Sstevel@tonic-gate msg("cron cannot fork\n"); 12997c478bd9Sstevel@tonic-gate return; 13007c478bd9Sstevel@tonic-gate } 13017c478bd9Sstevel@tonic-gate if (fork_val == 0) { 13027c478bd9Sstevel@tonic-gate child_sigreset(); 13037c478bd9Sstevel@tonic-gate contract_clear_template(); 13047c478bd9Sstevel@tonic-gate if ((ruser_ids = getpwnam(usrname)) == NULL) 13057c478bd9Sstevel@tonic-gate exit(0); 13067c478bd9Sstevel@tonic-gate (void) setuid(ruser_ids->pw_uid); 13074c4c9110Sbasabi temp = xmalloc(strlen(MAIL) + strlen(usrname) + 2); 13087c478bd9Sstevel@tonic-gate (void) sprintf(temp, "%s %s", MAIL, usrname); 13097c478bd9Sstevel@tonic-gate pipe = popen(temp, "w"); 13107c478bd9Sstevel@tonic-gate if (pipe != NULL) { 13117c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "To: %s\n", usrname); 13127c478bd9Sstevel@tonic-gate switch (format) { 13137c478bd9Sstevel@tonic-gate case ERR_CRONTABENT: 13147c478bd9Sstevel@tonic-gate (void) fprintf(pipe, CRONTABERR); 13157c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "Your \"crontab\" on %s\n", 13167c478bd9Sstevel@tonic-gate name.nodename); 13177c478bd9Sstevel@tonic-gate (void) fprintf(pipe, mesg); 13187c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13197c478bd9Sstevel@tonic-gate "\nEntries or crontab have been ignored\n"); 13207c478bd9Sstevel@tonic-gate break; 13217c478bd9Sstevel@tonic-gate case ERR_UNIXERR: 13227c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "Subject: %s\n\n", mesg); 13237c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13247c478bd9Sstevel@tonic-gate "The error on %s was \"%s\"\n", 13257c478bd9Sstevel@tonic-gate name.nodename, errmsg(saveerrno)); 13267c478bd9Sstevel@tonic-gate break; 13277c478bd9Sstevel@tonic-gate 13287c478bd9Sstevel@tonic-gate case ERR_CANTEXECCRON: 13297c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13307c478bd9Sstevel@tonic-gate "Subject: Couldn't run your \"cron\" job\n\n"); 13317c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13327c478bd9Sstevel@tonic-gate "Your \"cron\" job on %s ", name.nodename); 13337c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "couldn't be run\n"); 13347c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "%s\n", mesg); 13357c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13367c478bd9Sstevel@tonic-gate "The error was \"%s\"\n", errmsg(saveerrno)); 13377c478bd9Sstevel@tonic-gate break; 13387c478bd9Sstevel@tonic-gate 13397c478bd9Sstevel@tonic-gate case ERR_CANTEXECAT: 13407c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13417c478bd9Sstevel@tonic-gate "Subject: Couldn't run your \"at\" job\n\n"); 13427c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "Your \"at\" job on %s ", 13437c478bd9Sstevel@tonic-gate name.nodename); 13447c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "couldn't be run\n"); 13457c478bd9Sstevel@tonic-gate (void) fprintf(pipe, "%s\n", mesg); 13467c478bd9Sstevel@tonic-gate (void) fprintf(pipe, 13477c478bd9Sstevel@tonic-gate "The error was \"%s\"\n", errmsg(saveerrno)); 13487c478bd9Sstevel@tonic-gate break; 13497c478bd9Sstevel@tonic-gate 13507c478bd9Sstevel@tonic-gate default: 13517c478bd9Sstevel@tonic-gate break; 13527c478bd9Sstevel@tonic-gate } 13537c478bd9Sstevel@tonic-gate (void) pclose(pipe); 13547c478bd9Sstevel@tonic-gate } 13557c478bd9Sstevel@tonic-gate free(temp); 13567c478bd9Sstevel@tonic-gate exit(0); 13577c478bd9Sstevel@tonic-gate } 13587c478bd9Sstevel@tonic-gate 13597c478bd9Sstevel@tonic-gate contract_abandon_latest(fork_val); 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate if (cron_pid == getpid()) { 13627c478bd9Sstevel@tonic-gate miscpid_insert(fork_val); 13637c478bd9Sstevel@tonic-gate } 13647c478bd9Sstevel@tonic-gate } 13657c478bd9Sstevel@tonic-gate 13667c478bd9Sstevel@tonic-gate static char * 13677c478bd9Sstevel@tonic-gate next_field(int lower, int upper) 13687c478bd9Sstevel@tonic-gate { 13697c478bd9Sstevel@tonic-gate /* 13707c478bd9Sstevel@tonic-gate * next_field returns a pointer to a string which holds the next 13717c478bd9Sstevel@tonic-gate * field of a line of a crontab file. 13727c478bd9Sstevel@tonic-gate * if (numbers in this field are out of range (lower..upper), 13737c478bd9Sstevel@tonic-gate * or there is a syntax error) then 13747c478bd9Sstevel@tonic-gate * NULL is returned, and a mail message is sent to the 13757c478bd9Sstevel@tonic-gate * user telling him which line the error was in. 13767c478bd9Sstevel@tonic-gate */ 13777c478bd9Sstevel@tonic-gate 13787c478bd9Sstevel@tonic-gate char *s; 13797c478bd9Sstevel@tonic-gate int num, num2, start; 13807c478bd9Sstevel@tonic-gate 13817c478bd9Sstevel@tonic-gate while ((line[cursor] == ' ') || (line[cursor] == '\t')) 13827c478bd9Sstevel@tonic-gate cursor++; 13837c478bd9Sstevel@tonic-gate start = cursor; 13847c478bd9Sstevel@tonic-gate if (line[cursor] == '\0') { 13857c478bd9Sstevel@tonic-gate return (NULL); 13867c478bd9Sstevel@tonic-gate } 13877c478bd9Sstevel@tonic-gate if (line[cursor] == '*') { 13887c478bd9Sstevel@tonic-gate cursor++; 13897c478bd9Sstevel@tonic-gate if ((line[cursor] != ' ') && (line[cursor] != '\t')) 13907c478bd9Sstevel@tonic-gate return (NULL); 13917c478bd9Sstevel@tonic-gate s = xmalloc(2); 13927c478bd9Sstevel@tonic-gate (void) strcpy(s, "*"); 13937c478bd9Sstevel@tonic-gate return (s); 13947c478bd9Sstevel@tonic-gate } 13957c478bd9Sstevel@tonic-gate for (;;) { 13967c478bd9Sstevel@tonic-gate if (!isdigit(line[cursor])) 13977c478bd9Sstevel@tonic-gate return (NULL); 13987c478bd9Sstevel@tonic-gate num = 0; 13997c478bd9Sstevel@tonic-gate do { 14007c478bd9Sstevel@tonic-gate num = num*10 + (line[cursor]-'0'); 14017c478bd9Sstevel@tonic-gate } while (isdigit(line[++cursor])); 14027c478bd9Sstevel@tonic-gate if ((num < lower) || (num > upper)) 14037c478bd9Sstevel@tonic-gate return (NULL); 14047c478bd9Sstevel@tonic-gate if (line[cursor] == '-') { 14057c478bd9Sstevel@tonic-gate if (!isdigit(line[++cursor])) 14067c478bd9Sstevel@tonic-gate return (NULL); 14077c478bd9Sstevel@tonic-gate num2 = 0; 14087c478bd9Sstevel@tonic-gate do { 14097c478bd9Sstevel@tonic-gate num2 = num2*10 + (line[cursor]-'0'); 14107c478bd9Sstevel@tonic-gate } while (isdigit(line[++cursor])); 14117c478bd9Sstevel@tonic-gate if ((num2 < lower) || (num2 > upper)) 14127c478bd9Sstevel@tonic-gate return (NULL); 14137c478bd9Sstevel@tonic-gate } 14147c478bd9Sstevel@tonic-gate if ((line[cursor] == ' ') || (line[cursor] == '\t')) 14157c478bd9Sstevel@tonic-gate break; 14167c478bd9Sstevel@tonic-gate if (line[cursor] == '\0') 14177c478bd9Sstevel@tonic-gate return (NULL); 14187c478bd9Sstevel@tonic-gate if (line[cursor++] != ',') 14197c478bd9Sstevel@tonic-gate return (NULL); 14207c478bd9Sstevel@tonic-gate } 14214c4c9110Sbasabi s = xmalloc(cursor-start + 1); 14224c4c9110Sbasabi (void) strncpy(s, line + start, cursor-start); 14237c478bd9Sstevel@tonic-gate s[cursor-start] = '\0'; 14247c478bd9Sstevel@tonic-gate return (s); 14257c478bd9Sstevel@tonic-gate } 14267c478bd9Sstevel@tonic-gate 14277c478bd9Sstevel@tonic-gate #define tm_cmp(t1, t2) (\ 14287c478bd9Sstevel@tonic-gate (t1)->tm_year == (t2)->tm_year && \ 14297c478bd9Sstevel@tonic-gate (t1)->tm_mon == (t2)->tm_mon && \ 14307c478bd9Sstevel@tonic-gate (t1)->tm_mday == (t2)->tm_mday && \ 14317c478bd9Sstevel@tonic-gate (t1)->tm_hour == (t2)->tm_hour && \ 14327c478bd9Sstevel@tonic-gate (t1)->tm_min == (t2)->tm_min) 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate #define tm_setup(tp, yr, mon, dy, hr, min, dst) \ 14357c478bd9Sstevel@tonic-gate (tp)->tm_year = yr; \ 14367c478bd9Sstevel@tonic-gate (tp)->tm_mon = mon; \ 14377c478bd9Sstevel@tonic-gate (tp)->tm_mday = dy; \ 14387c478bd9Sstevel@tonic-gate (tp)->tm_hour = hr; \ 14397c478bd9Sstevel@tonic-gate (tp)->tm_min = min; \ 14407c478bd9Sstevel@tonic-gate (tp)->tm_isdst = dst; \ 14417c478bd9Sstevel@tonic-gate (tp)->tm_sec = 0; \ 14427c478bd9Sstevel@tonic-gate (tp)->tm_wday = 0; \ 14437c478bd9Sstevel@tonic-gate (tp)->tm_yday = 0; 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate /* 14467c478bd9Sstevel@tonic-gate * modification for bugid 1104537. the second argument to next_time is 14477c478bd9Sstevel@tonic-gate * now the value of time(2) to be used. if this is 0, then use the 14487c478bd9Sstevel@tonic-gate * current time. otherwise, the second argument is the time from which to 14497c478bd9Sstevel@tonic-gate * calculate things. this is useful to correct situations where you've 14507c478bd9Sstevel@tonic-gate * gone backwards in time (I.e. the system's internal clock is correcting 14517c478bd9Sstevel@tonic-gate * itself backwards). 14527c478bd9Sstevel@tonic-gate */ 14537c478bd9Sstevel@tonic-gate 14547c478bd9Sstevel@tonic-gate static time_t 14557c478bd9Sstevel@tonic-gate next_time(struct event *e, time_t tflag) 14567c478bd9Sstevel@tonic-gate { 14577c478bd9Sstevel@tonic-gate /* 14587c478bd9Sstevel@tonic-gate * returns the integer time for the next occurance of event e. 14597c478bd9Sstevel@tonic-gate * the following fields have ranges as indicated: 14607c478bd9Sstevel@tonic-gate * PRGM | min hour day of month mon day of week 14617c478bd9Sstevel@tonic-gate * ------|------------------------------------------------------- 14627c478bd9Sstevel@tonic-gate * cron | 0-59 0-23 1-31 1-12 0-6 (0=sunday) 14637c478bd9Sstevel@tonic-gate * time | 0-59 0-23 1-31 0-11 0-6 (0=sunday) 14647c478bd9Sstevel@tonic-gate * NOTE: this routine is hard to understand. 14657c478bd9Sstevel@tonic-gate */ 14667c478bd9Sstevel@tonic-gate 14677c478bd9Sstevel@tonic-gate struct tm *tm, ref_tm, tmp, tmp1, tmp2; 14687c478bd9Sstevel@tonic-gate int tm_mon, tm_mday, tm_wday, wday, m, min, h, hr, carry, day, days, 14694c4c9110Sbasabi d1, day1, carry1, d2, day2, carry2, daysahead, mon, yr, db, wd, 14704c4c9110Sbasabi today; 14714c4c9110Sbasabi 14727c478bd9Sstevel@tonic-gate time_t t, ref_t, t1, t2, zone_start; 14737c478bd9Sstevel@tonic-gate int fallback; 14747c478bd9Sstevel@tonic-gate extern int days_btwn(int, int, int, int, int, int); 14757c478bd9Sstevel@tonic-gate 14767c478bd9Sstevel@tonic-gate if (tflag == 0) { 14777c478bd9Sstevel@tonic-gate t = time(NULL); /* original way of doing things */ 14787c478bd9Sstevel@tonic-gate } else { 14797c478bd9Sstevel@tonic-gate t = tflag; 14807c478bd9Sstevel@tonic-gate } 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate tm = &ref_tm; /* use a local variable and call localtime_r() */ 14837c478bd9Sstevel@tonic-gate ref_t = t; /* keep a copy of the reference time */ 14847c478bd9Sstevel@tonic-gate 14857c478bd9Sstevel@tonic-gate recalc: 14867c478bd9Sstevel@tonic-gate fallback = 0; 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate (void) localtime_r(&t, tm); 14897c478bd9Sstevel@tonic-gate 14907c478bd9Sstevel@tonic-gate if (daylight) { 14917c478bd9Sstevel@tonic-gate tmp = *tm; 14927c478bd9Sstevel@tonic-gate tmp.tm_isdst = (tm->tm_isdst > 0 ? 0 : 1); 14937c478bd9Sstevel@tonic-gate t1 = xmktime(&tmp); 14947c478bd9Sstevel@tonic-gate /* 14957c478bd9Sstevel@tonic-gate * see if we will have timezone switch over, and clock will 14967c478bd9Sstevel@tonic-gate * fall back. zone_start will hold the time when it happens 14977c478bd9Sstevel@tonic-gate * (ie time of PST -> PDT switch over). 14987c478bd9Sstevel@tonic-gate */ 14997c478bd9Sstevel@tonic-gate if (tm->tm_isdst != tmp.tm_isdst && 15007c478bd9Sstevel@tonic-gate (t1 - t) == (timezone - altzone) && 15017c478bd9Sstevel@tonic-gate tm_cmp(tm, &tmp)) { 15027c478bd9Sstevel@tonic-gate zone_start = get_switching_time(tmp.tm_isdst, t); 15037c478bd9Sstevel@tonic-gate fallback = 1; 15047c478bd9Sstevel@tonic-gate } 15057c478bd9Sstevel@tonic-gate } 15067c478bd9Sstevel@tonic-gate 15074c4c9110Sbasabi tm_mon = next_ge(tm->tm_mon + 1, e->of.ct.month) - 1; /* 0-11 */ 15087c478bd9Sstevel@tonic-gate tm_mday = next_ge(tm->tm_mday, e->of.ct.daymon); /* 1-31 */ 15097c478bd9Sstevel@tonic-gate tm_wday = next_ge(tm->tm_wday, e->of.ct.dayweek); /* 0-6 */ 15107c478bd9Sstevel@tonic-gate today = TRUE; 15117c478bd9Sstevel@tonic-gate if ((strcmp(e->of.ct.daymon, "*") == 0 && tm->tm_wday != tm_wday) || 15127c478bd9Sstevel@tonic-gate (strcmp(e->of.ct.dayweek, "*") == 0 && tm->tm_mday != tm_mday) || 15137c478bd9Sstevel@tonic-gate (tm->tm_mday != tm_mday && tm->tm_wday != tm_wday) || 15147c478bd9Sstevel@tonic-gate (tm->tm_mon != tm_mon)) { 15157c478bd9Sstevel@tonic-gate today = FALSE; 15167c478bd9Sstevel@tonic-gate } 15177c478bd9Sstevel@tonic-gate m = tm->tm_min + (t == ref_t ? 1 : 0); 15187c478bd9Sstevel@tonic-gate if ((tm->tm_hour + 1) <= next_ge(tm->tm_hour, e->of.ct.hour)) { 15197c478bd9Sstevel@tonic-gate m = 0; 15207c478bd9Sstevel@tonic-gate } 15217c478bd9Sstevel@tonic-gate min = next_ge(m%60, e->of.ct.minute); 15227c478bd9Sstevel@tonic-gate carry = (min < m) ? 1 : 0; 15237c478bd9Sstevel@tonic-gate h = tm->tm_hour + carry; 15247c478bd9Sstevel@tonic-gate hr = next_ge(h%24, e->of.ct.hour); 15257c478bd9Sstevel@tonic-gate carry = (hr < h) ? 1 : 0; 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate if (carry == 0 && today) { 15287c478bd9Sstevel@tonic-gate /* this event must occur today */ 15297c478bd9Sstevel@tonic-gate tm_setup(&tmp, tm->tm_year, tm->tm_mon, tm->tm_mday, 15304c4c9110Sbasabi hr, min, tm->tm_isdst); 15317c478bd9Sstevel@tonic-gate tmp1 = tmp; 15327c478bd9Sstevel@tonic-gate if ((t1 = xmktime(&tmp1)) == (time_t)-1) { 15337c478bd9Sstevel@tonic-gate return (0); 15347c478bd9Sstevel@tonic-gate } 15357c478bd9Sstevel@tonic-gate if (daylight && tmp.tm_isdst != tmp1.tm_isdst) { 15367c478bd9Sstevel@tonic-gate /* In case we are falling back */ 15377c478bd9Sstevel@tonic-gate if (fallback) { 15387c478bd9Sstevel@tonic-gate /* we may need to run the job once more. */ 15397c478bd9Sstevel@tonic-gate t = zone_start; 15407c478bd9Sstevel@tonic-gate goto recalc; 15417c478bd9Sstevel@tonic-gate } 15427c478bd9Sstevel@tonic-gate 15437c478bd9Sstevel@tonic-gate /* 15447c478bd9Sstevel@tonic-gate * In case we are not in falling back period, 15457c478bd9Sstevel@tonic-gate * calculate the time assuming the DST. If the 15467c478bd9Sstevel@tonic-gate * date/time is not altered by mktime, it is the 15477c478bd9Sstevel@tonic-gate * time to execute the job. 15487c478bd9Sstevel@tonic-gate */ 15497c478bd9Sstevel@tonic-gate tmp2 = tmp; 15507c478bd9Sstevel@tonic-gate tmp2.tm_isdst = tmp1.tm_isdst; 15517c478bd9Sstevel@tonic-gate if ((t1 = xmktime(&tmp2)) == (time_t)-1) { 15527c478bd9Sstevel@tonic-gate return (0); 15537c478bd9Sstevel@tonic-gate } 15547c478bd9Sstevel@tonic-gate if (tmp1.tm_isdst == tmp2.tm_isdst && 15557c478bd9Sstevel@tonic-gate tm_cmp(&tmp, &tmp2)) { 15567c478bd9Sstevel@tonic-gate /* 15577c478bd9Sstevel@tonic-gate * We got a valid time. 15587c478bd9Sstevel@tonic-gate */ 15597c478bd9Sstevel@tonic-gate return (t1); 15607c478bd9Sstevel@tonic-gate } else { 15617c478bd9Sstevel@tonic-gate /* 15627c478bd9Sstevel@tonic-gate * If the date does not match even if 15637c478bd9Sstevel@tonic-gate * we assume the alternate timezone, then 15647c478bd9Sstevel@tonic-gate * it must be the invalid time. eg 15657c478bd9Sstevel@tonic-gate * 2am while switching 1:59am to 3am. 15667c478bd9Sstevel@tonic-gate * t1 should point the time before the 15677c478bd9Sstevel@tonic-gate * switching over as we've calculate the 15687c478bd9Sstevel@tonic-gate * time with assuming alternate zone. 15697c478bd9Sstevel@tonic-gate */ 15707c478bd9Sstevel@tonic-gate if (tmp1.tm_isdst != tmp2.tm_isdst) { 15717c478bd9Sstevel@tonic-gate t = get_switching_time(tmp1.tm_isdst, 15724c4c9110Sbasabi t1); 15737c478bd9Sstevel@tonic-gate } else { 15747c478bd9Sstevel@tonic-gate /* does this really happen? */ 15757c478bd9Sstevel@tonic-gate t = get_switching_time(tmp1.tm_isdst, 15764c4c9110Sbasabi t1 - abs(timezone - altzone)); 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate if (t == (time_t)-1) 15797c478bd9Sstevel@tonic-gate return (0); 15807c478bd9Sstevel@tonic-gate } 15817c478bd9Sstevel@tonic-gate goto recalc; 15827c478bd9Sstevel@tonic-gate } 15837c478bd9Sstevel@tonic-gate if (tm_cmp(&tmp, &tmp1)) { 15847c478bd9Sstevel@tonic-gate /* got valid time */ 15857c478bd9Sstevel@tonic-gate return (t1); 15867c478bd9Sstevel@tonic-gate } else { 15877c478bd9Sstevel@tonic-gate /* 15887c478bd9Sstevel@tonic-gate * This should never happen, but just in 15897c478bd9Sstevel@tonic-gate * case, we fall back to the old code. 15907c478bd9Sstevel@tonic-gate */ 15917c478bd9Sstevel@tonic-gate if (tm->tm_min > min) { 15927c478bd9Sstevel@tonic-gate t += (time_t)(hr-tm->tm_hour-1) * HOUR + 15934c4c9110Sbasabi (time_t)(60-tm->tm_min + min) * MINUTE; 15947c478bd9Sstevel@tonic-gate } else { 15957c478bd9Sstevel@tonic-gate t += (time_t)(hr-tm->tm_hour) * HOUR + 15964c4c9110Sbasabi (time_t)(min-tm->tm_min) * MINUTE; 15977c478bd9Sstevel@tonic-gate } 15987c478bd9Sstevel@tonic-gate t1 = t; 15997c478bd9Sstevel@tonic-gate t -= (time_t)tm->tm_sec; 16007c478bd9Sstevel@tonic-gate (void) localtime_r(&t, &tmp); 16017c478bd9Sstevel@tonic-gate if ((tm->tm_isdst == 0) && (tmp.tm_isdst > 0)) 16027c478bd9Sstevel@tonic-gate t -= (timezone - altzone); 16037c478bd9Sstevel@tonic-gate return ((t <= ref_t) ? t1 : t); 16047c478bd9Sstevel@tonic-gate } 16057c478bd9Sstevel@tonic-gate } 16067c478bd9Sstevel@tonic-gate 16077c478bd9Sstevel@tonic-gate /* 16087c478bd9Sstevel@tonic-gate * Job won't run today, however if we have a switch over within 16097c478bd9Sstevel@tonic-gate * one hour and we will have one hour time drifting back in this 16107c478bd9Sstevel@tonic-gate * period, we may need to run the job one more time if the job was 16117c478bd9Sstevel@tonic-gate * set to run on this hour of clock. 16127c478bd9Sstevel@tonic-gate */ 16137c478bd9Sstevel@tonic-gate if (fallback) { 16147c478bd9Sstevel@tonic-gate t = zone_start; 16157c478bd9Sstevel@tonic-gate goto recalc; 16167c478bd9Sstevel@tonic-gate } 16177c478bd9Sstevel@tonic-gate 16187c478bd9Sstevel@tonic-gate min = next_ge(0, e->of.ct.minute); 16197c478bd9Sstevel@tonic-gate hr = next_ge(0, e->of.ct.hour); 16207c478bd9Sstevel@tonic-gate 16217c478bd9Sstevel@tonic-gate /* 16227c478bd9Sstevel@tonic-gate * calculate the date of the next occurance of this event, which 16237c478bd9Sstevel@tonic-gate * will be on a different day than the current 16247c478bd9Sstevel@tonic-gate */ 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate /* check monthly day specification */ 16274c4c9110Sbasabi d1 = tm->tm_mday + 1; 16284c4c9110Sbasabi day1 = next_ge((d1-1)%days_in_mon(tm->tm_mon, tm->tm_year) + 1, 16294c4c9110Sbasabi e->of.ct.daymon); 16307c478bd9Sstevel@tonic-gate carry1 = (day1 < d1) ? 1 : 0; 16317c478bd9Sstevel@tonic-gate 16327c478bd9Sstevel@tonic-gate /* check weekly day specification */ 16334c4c9110Sbasabi d2 = tm->tm_wday + 1; 16347c478bd9Sstevel@tonic-gate wday = next_ge(d2%7, e->of.ct.dayweek); 16357c478bd9Sstevel@tonic-gate if (wday < d2) 16367c478bd9Sstevel@tonic-gate daysahead = 7 - d2 + wday; 16377c478bd9Sstevel@tonic-gate else 16387c478bd9Sstevel@tonic-gate daysahead = wday - d2; 16394c4c9110Sbasabi day2 = (d1 + daysahead-1)%days_in_mon(tm->tm_mon, tm->tm_year) + 1; 16407c478bd9Sstevel@tonic-gate carry2 = (day2 < d1) ? 1 : 0; 16417c478bd9Sstevel@tonic-gate 16427c478bd9Sstevel@tonic-gate /* 16437c478bd9Sstevel@tonic-gate * based on their respective specifications, day1, and day2 give 16447c478bd9Sstevel@tonic-gate * the day of the month for the next occurance of this event. 16457c478bd9Sstevel@tonic-gate */ 16467c478bd9Sstevel@tonic-gate if ((strcmp(e->of.ct.daymon, "*") == 0) && 16477c478bd9Sstevel@tonic-gate (strcmp(e->of.ct.dayweek, "*") != 0)) { 16487c478bd9Sstevel@tonic-gate day1 = day2; 16497c478bd9Sstevel@tonic-gate carry1 = carry2; 16507c478bd9Sstevel@tonic-gate } 16517c478bd9Sstevel@tonic-gate if ((strcmp(e->of.ct.daymon, "*") != 0) && 16527c478bd9Sstevel@tonic-gate (strcmp(e->of.ct.dayweek, "*") == 0)) { 16537c478bd9Sstevel@tonic-gate day2 = day1; 16547c478bd9Sstevel@tonic-gate carry2 = carry1; 16557c478bd9Sstevel@tonic-gate } 16567c478bd9Sstevel@tonic-gate 16577c478bd9Sstevel@tonic-gate yr = tm->tm_year; 16587c478bd9Sstevel@tonic-gate if ((carry1 && carry2) || (tm->tm_mon != tm_mon)) { 16597c478bd9Sstevel@tonic-gate /* event does not occur in this month */ 16604c4c9110Sbasabi m = tm->tm_mon + 1; 16614c4c9110Sbasabi mon = next_ge(m%12 + 1, e->of.ct.month) - 1; /* 0..11 */ 16627c478bd9Sstevel@tonic-gate carry = (mon < m) ? 1 : 0; 16637c478bd9Sstevel@tonic-gate yr += carry; 16647c478bd9Sstevel@tonic-gate /* recompute day1 and day2 */ 16657c478bd9Sstevel@tonic-gate day1 = next_ge(1, e->of.ct.daymon); 16667c478bd9Sstevel@tonic-gate db = days_btwn(tm->tm_mon, tm->tm_mday, tm->tm_year, mon, 16674c4c9110Sbasabi 1, yr) + 1; 16684c4c9110Sbasabi wd = (tm->tm_wday + db)%7; 16697c478bd9Sstevel@tonic-gate /* wd is the day of the week of the first of month mon */ 16707c478bd9Sstevel@tonic-gate wday = next_ge(wd, e->of.ct.dayweek); 16717c478bd9Sstevel@tonic-gate if (wday < wd) 16727c478bd9Sstevel@tonic-gate day2 = 1 + 7 - wd + wday; 16737c478bd9Sstevel@tonic-gate else 16747c478bd9Sstevel@tonic-gate day2 = 1 + wday - wd; 16757c478bd9Sstevel@tonic-gate if ((strcmp(e->of.ct.daymon, "*") != 0) && 16767c478bd9Sstevel@tonic-gate (strcmp(e->of.ct.dayweek, "*") == 0)) 16777c478bd9Sstevel@tonic-gate day2 = day1; 16787c478bd9Sstevel@tonic-gate if ((strcmp(e->of.ct.daymon, "*") == 0) && 16797c478bd9Sstevel@tonic-gate (strcmp(e->of.ct.dayweek, "*") != 0)) 16807c478bd9Sstevel@tonic-gate day1 = day2; 16817c478bd9Sstevel@tonic-gate day = (day1 < day2) ? day1 : day2; 16827c478bd9Sstevel@tonic-gate } else { /* event occurs in this month */ 16837c478bd9Sstevel@tonic-gate mon = tm->tm_mon; 16847c478bd9Sstevel@tonic-gate if (!carry1 && !carry2) 16857c478bd9Sstevel@tonic-gate day = (day1 < day2) ? day1 : day2; 16867c478bd9Sstevel@tonic-gate else if (!carry1) 16877c478bd9Sstevel@tonic-gate day = day1; 16887c478bd9Sstevel@tonic-gate else 16897c478bd9Sstevel@tonic-gate day = day2; 16907c478bd9Sstevel@tonic-gate } 16917c478bd9Sstevel@tonic-gate 16927c478bd9Sstevel@tonic-gate /* 16937c478bd9Sstevel@tonic-gate * now that we have the min, hr, day, mon, yr of the next event, 16947c478bd9Sstevel@tonic-gate * figure out what time that turns out to be. 16957c478bd9Sstevel@tonic-gate */ 16967c478bd9Sstevel@tonic-gate tm_setup(&tmp, yr, mon, day, hr, min, -1); 16977c478bd9Sstevel@tonic-gate tmp2 = tmp; 16987c478bd9Sstevel@tonic-gate if ((t1 = xmktime(&tmp2)) == (time_t)-1) { 16997c478bd9Sstevel@tonic-gate return (0); 17007c478bd9Sstevel@tonic-gate } 17017c478bd9Sstevel@tonic-gate if (tm_cmp(&tmp, &tmp2)) { 17027c478bd9Sstevel@tonic-gate /* 17037c478bd9Sstevel@tonic-gate * mktime returns clock for the current time zone. If the 17047c478bd9Sstevel@tonic-gate * target date was in fallback period, it needs to be adjusted 17057c478bd9Sstevel@tonic-gate * to the time comes first. 17067c478bd9Sstevel@tonic-gate * Suppose, we are at Jan and scheduling job at 1:30am10/26/03. 17077c478bd9Sstevel@tonic-gate * mktime returns the time in PST, but 1:30am in PDT comes 17087c478bd9Sstevel@tonic-gate * first. So reverse the tm_isdst, and see if we have such 17097c478bd9Sstevel@tonic-gate * time/date. 17107c478bd9Sstevel@tonic-gate */ 17117c478bd9Sstevel@tonic-gate if (daylight) { 17127c478bd9Sstevel@tonic-gate int dst = tmp2.tm_isdst; 17137c478bd9Sstevel@tonic-gate 17147c478bd9Sstevel@tonic-gate tmp2 = tmp; 17157c478bd9Sstevel@tonic-gate tmp2.tm_isdst = (dst > 0 ? 0 : 1); 17167c478bd9Sstevel@tonic-gate if ((t2 = xmktime(&tmp2)) == (time_t)-1) { 17177c478bd9Sstevel@tonic-gate return (0); 17187c478bd9Sstevel@tonic-gate } 17197c478bd9Sstevel@tonic-gate if (tm_cmp(&tmp, &tmp2)) { 17207c478bd9Sstevel@tonic-gate /* 17217c478bd9Sstevel@tonic-gate * same time/date found in the opposite zone. 17227c478bd9Sstevel@tonic-gate * check the clock to see which comes early. 17237c478bd9Sstevel@tonic-gate */ 17247c478bd9Sstevel@tonic-gate if (t2 > ref_t && t2 < t1) { 17257c478bd9Sstevel@tonic-gate t1 = t2; 17267c478bd9Sstevel@tonic-gate } 17277c478bd9Sstevel@tonic-gate } 17287c478bd9Sstevel@tonic-gate } 17297c478bd9Sstevel@tonic-gate return (t1); 17307c478bd9Sstevel@tonic-gate } else { 17317c478bd9Sstevel@tonic-gate /* 17327c478bd9Sstevel@tonic-gate * mktime has set different time/date for the given date. 17337c478bd9Sstevel@tonic-gate * This means that the next job is scheduled to be run on the 17347c478bd9Sstevel@tonic-gate * invalid time. There are three possible invalid date/time. 17357c478bd9Sstevel@tonic-gate * 1. Non existing day of the month. such as April 31th. 17367c478bd9Sstevel@tonic-gate * 2. Feb 29th in the non-leap year. 17377c478bd9Sstevel@tonic-gate * 3. Time gap during the DST switch over. 17387c478bd9Sstevel@tonic-gate */ 17397c478bd9Sstevel@tonic-gate d1 = days_in_mon(mon, yr); 17407c478bd9Sstevel@tonic-gate if ((mon != 1 && day > d1) || (mon == 1 && day > 29)) { 17417c478bd9Sstevel@tonic-gate /* 17427c478bd9Sstevel@tonic-gate * see if we have got a specific date which 17437c478bd9Sstevel@tonic-gate * is invalid. 17447c478bd9Sstevel@tonic-gate */ 17457c478bd9Sstevel@tonic-gate if (strcmp(e->of.ct.dayweek, "*") == 0 && 17464c4c9110Sbasabi mon == (next_ge((mon + 1)%12 + 1, 17474c4c9110Sbasabi e->of.ct.month) - 1) && 17487c478bd9Sstevel@tonic-gate day <= next_ge(1, e->of.ct.daymon)) { 17497c478bd9Sstevel@tonic-gate /* job never run */ 17507c478bd9Sstevel@tonic-gate return (0); 17517c478bd9Sstevel@tonic-gate } 17527c478bd9Sstevel@tonic-gate /* 17537c478bd9Sstevel@tonic-gate * Since the day has gone invalid, we need to go to 17547c478bd9Sstevel@tonic-gate * next month, and recalcuate the first occurrence. 17557c478bd9Sstevel@tonic-gate * eg the cron tab such as: 17567c478bd9Sstevel@tonic-gate * 0 0 1,15,31 1,2,3,4,5 * /usr/bin.... 17577c478bd9Sstevel@tonic-gate * 2/31 is invalid, so the next job is 3/1. 17587c478bd9Sstevel@tonic-gate */ 17597c478bd9Sstevel@tonic-gate tmp2 = tmp; 17607c478bd9Sstevel@tonic-gate tmp2.tm_min = 0; 17617c478bd9Sstevel@tonic-gate tmp2.tm_hour = 0; 17627c478bd9Sstevel@tonic-gate tmp2.tm_mday = 1; /* 1st day of the month */ 17637c478bd9Sstevel@tonic-gate if (mon == 11) { 17647c478bd9Sstevel@tonic-gate tmp2.tm_mon = 0; 17657c478bd9Sstevel@tonic-gate tmp2.tm_year = yr + 1; 17667c478bd9Sstevel@tonic-gate } else { 17677c478bd9Sstevel@tonic-gate tmp2.tm_mon = mon + 1; 17687c478bd9Sstevel@tonic-gate } 17697c478bd9Sstevel@tonic-gate if ((t = xmktime(&tmp2)) == (time_t)-1) { 17707c478bd9Sstevel@tonic-gate return (0); 17717c478bd9Sstevel@tonic-gate } 17727c478bd9Sstevel@tonic-gate } else if (mon == 1 && day > d1) { 17737c478bd9Sstevel@tonic-gate /* 17747c478bd9Sstevel@tonic-gate * ie 29th in the non-leap year. Forwarding the 17757c478bd9Sstevel@tonic-gate * clock to Feb 29th 00:00 (March 1st), and recalculate 17767c478bd9Sstevel@tonic-gate * the next time. 17777c478bd9Sstevel@tonic-gate */ 17787c478bd9Sstevel@tonic-gate tmp2 = tmp; 17797c478bd9Sstevel@tonic-gate tmp2.tm_min = 0; 17807c478bd9Sstevel@tonic-gate tmp2.tm_hour = 0; 17817c478bd9Sstevel@tonic-gate if ((t = xmktime(&tmp2)) == (time_t)-1) { 17827c478bd9Sstevel@tonic-gate return (0); 17837c478bd9Sstevel@tonic-gate } 17847c478bd9Sstevel@tonic-gate } else if (daylight) { 17857c478bd9Sstevel@tonic-gate /* 17867c478bd9Sstevel@tonic-gate * Non existing time, eg 2am PST during summer time 17877c478bd9Sstevel@tonic-gate * switch. 17887c478bd9Sstevel@tonic-gate * We need to get the correct isdst which we are 17897c478bd9Sstevel@tonic-gate * swithing to, by adding time difference to make sure 17907c478bd9Sstevel@tonic-gate * that t2 is in the zone being switched. 17917c478bd9Sstevel@tonic-gate */ 17927c478bd9Sstevel@tonic-gate t2 = t1; 17937c478bd9Sstevel@tonic-gate t2 += abs(timezone - altzone); 17947c478bd9Sstevel@tonic-gate (void) localtime_r(&t2, &tmp2); 17957c478bd9Sstevel@tonic-gate zone_start = get_switching_time(tmp2.tm_isdst, 17964c4c9110Sbasabi t1 - abs(timezone - altzone)); 17977c478bd9Sstevel@tonic-gate if (zone_start == (time_t)-1) { 17987c478bd9Sstevel@tonic-gate return (0); 17997c478bd9Sstevel@tonic-gate } 18007c478bd9Sstevel@tonic-gate t = zone_start; 18017c478bd9Sstevel@tonic-gate } else { 18027c478bd9Sstevel@tonic-gate /* 18037c478bd9Sstevel@tonic-gate * This should never happen, but fall back to the 18047c478bd9Sstevel@tonic-gate * old code. 18057c478bd9Sstevel@tonic-gate */ 18067c478bd9Sstevel@tonic-gate days = days_btwn(tm->tm_mon, 18074c4c9110Sbasabi tm->tm_mday, tm->tm_year, mon, day, yr); 18087c478bd9Sstevel@tonic-gate t += (time_t)(23-tm->tm_hour)*HOUR 18094c4c9110Sbasabi + (time_t)(60-tm->tm_min)*MINUTE 18104c4c9110Sbasabi + (time_t)hr*HOUR + (time_t)min*MINUTE 18114c4c9110Sbasabi + (time_t)days*DAY; 18127c478bd9Sstevel@tonic-gate t1 = t; 18137c478bd9Sstevel@tonic-gate t -= (time_t)tm->tm_sec; 18147c478bd9Sstevel@tonic-gate (void) localtime_r(&t, &tmp); 18157c478bd9Sstevel@tonic-gate if ((tm->tm_isdst == 0) && (tmp.tm_isdst > 0)) 18167c478bd9Sstevel@tonic-gate t -= (timezone - altzone); 18177c478bd9Sstevel@tonic-gate return (t <= ref_t ? t1 : t); 18187c478bd9Sstevel@tonic-gate } 18197c478bd9Sstevel@tonic-gate goto recalc; 18207c478bd9Sstevel@tonic-gate } 18217c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 18227c478bd9Sstevel@tonic-gate } 18237c478bd9Sstevel@tonic-gate 18247c478bd9Sstevel@tonic-gate /* 18257c478bd9Sstevel@tonic-gate * This returns TOD in time_t that zone switch will happen, and this 18267c478bd9Sstevel@tonic-gate * will be called when clock fallback is about to happen. 18277c478bd9Sstevel@tonic-gate * (ie 30minutes before the time of PST -> PDT switch. 2:00 AM PST 18287c478bd9Sstevel@tonic-gate * will fall back to 1:00 PDT. So this function will be called only 18297c478bd9Sstevel@tonic-gate * for the time between 1:00 AM PST and 2:00 PST(1:00 PST)). 18307c478bd9Sstevel@tonic-gate * First goes through the common time differences to see if zone 18317c478bd9Sstevel@tonic-gate * switch happens at those minutes later. If not, check every minutes 18327c478bd9Sstevel@tonic-gate * until 6 hours ahead see if it happens(We might have 45minutes 18337c478bd9Sstevel@tonic-gate * fallback). 18347c478bd9Sstevel@tonic-gate */ 18357c478bd9Sstevel@tonic-gate static time_t 18367c478bd9Sstevel@tonic-gate get_switching_time(int to_dst, time_t t_ref) 18377c478bd9Sstevel@tonic-gate { 18387c478bd9Sstevel@tonic-gate time_t t, t1; 18397c478bd9Sstevel@tonic-gate struct tm tmp, tmp1; 18407c478bd9Sstevel@tonic-gate int hints[] = { 60, 120, 30, 90, 0}; /* minutes */ 18417c478bd9Sstevel@tonic-gate int i; 18427c478bd9Sstevel@tonic-gate 18437c478bd9Sstevel@tonic-gate (void) localtime_r(&t_ref, &tmp); 18447c478bd9Sstevel@tonic-gate tmp1 = tmp; 18457c478bd9Sstevel@tonic-gate tmp1.tm_sec = 0; 18467c478bd9Sstevel@tonic-gate tmp1.tm_min = 0; 18477c478bd9Sstevel@tonic-gate if ((t = xmktime(&tmp1)) == (time_t)-1) 18487c478bd9Sstevel@tonic-gate return ((time_t)-1); 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate /* fast path */ 18517c478bd9Sstevel@tonic-gate for (i = 0; hints[i] != 0; i++) { 18527c478bd9Sstevel@tonic-gate t1 = t + hints[i] * 60; 18537c478bd9Sstevel@tonic-gate (void) localtime_r(&t1, &tmp1); 18547c478bd9Sstevel@tonic-gate if (tmp1.tm_isdst == to_dst) { 18557c478bd9Sstevel@tonic-gate t1--; 18567c478bd9Sstevel@tonic-gate (void) localtime_r(&t1, &tmp1); 18577c478bd9Sstevel@tonic-gate if (tmp1.tm_isdst != to_dst) { 18587c478bd9Sstevel@tonic-gate return (t1 + 1); 18597c478bd9Sstevel@tonic-gate } 18607c478bd9Sstevel@tonic-gate } 18617c478bd9Sstevel@tonic-gate } 18627c478bd9Sstevel@tonic-gate 18637c478bd9Sstevel@tonic-gate /* ugly, but don't know other than this. */ 18647c478bd9Sstevel@tonic-gate tmp1 = tmp; 18657c478bd9Sstevel@tonic-gate tmp1.tm_sec = 0; 18667c478bd9Sstevel@tonic-gate if ((t = xmktime(&tmp1)) == (time_t)-1) 18677c478bd9Sstevel@tonic-gate return ((time_t)-1); 18687c478bd9Sstevel@tonic-gate while (t < (t_ref + 6*60*60)) { /* 6 hours should be enough */ 18697c478bd9Sstevel@tonic-gate t += 60; /* at least one minute, I assume */ 18707c478bd9Sstevel@tonic-gate (void) localtime_r(&t, &tmp); 18717c478bd9Sstevel@tonic-gate if (tmp.tm_isdst == to_dst) 18727c478bd9Sstevel@tonic-gate return (t); 18737c478bd9Sstevel@tonic-gate } 18747c478bd9Sstevel@tonic-gate return ((time_t)-1); 18757c478bd9Sstevel@tonic-gate } 18767c478bd9Sstevel@tonic-gate 18777c478bd9Sstevel@tonic-gate static time_t 18787c478bd9Sstevel@tonic-gate xmktime(struct tm *tmp) 18797c478bd9Sstevel@tonic-gate { 18807c478bd9Sstevel@tonic-gate time_t ret; 18817c478bd9Sstevel@tonic-gate 18827c478bd9Sstevel@tonic-gate if ((ret = mktime(tmp)) == (time_t)-1) { 18837c478bd9Sstevel@tonic-gate if (errno == EOVERFLOW) { 18847c478bd9Sstevel@tonic-gate return ((time_t)-1); 18857c478bd9Sstevel@tonic-gate } 18867c478bd9Sstevel@tonic-gate crabort("internal error: mktime failed", 18874c4c9110Sbasabi REMOVE_FIFO|CONSOLE_MSG); 18887c478bd9Sstevel@tonic-gate } 18897c478bd9Sstevel@tonic-gate return (ret); 18907c478bd9Sstevel@tonic-gate } 18917c478bd9Sstevel@tonic-gate 18927c478bd9Sstevel@tonic-gate #define DUMMY 100 18937c478bd9Sstevel@tonic-gate 18947c478bd9Sstevel@tonic-gate static int 18957c478bd9Sstevel@tonic-gate next_ge(int current, char *list) 18967c478bd9Sstevel@tonic-gate { 18977c478bd9Sstevel@tonic-gate /* 18987c478bd9Sstevel@tonic-gate * list is a character field as in a crontab file; 18997c478bd9Sstevel@tonic-gate * for example: "40, 20, 50-10" 19007c478bd9Sstevel@tonic-gate * next_ge returns the next number in the list that is 19017c478bd9Sstevel@tonic-gate * greater than or equal to current. if no numbers of list 19027c478bd9Sstevel@tonic-gate * are >= current, the smallest element of list is returned. 19037c478bd9Sstevel@tonic-gate * NOTE: current must be in the appropriate range. 19047c478bd9Sstevel@tonic-gate */ 19057c478bd9Sstevel@tonic-gate 19067c478bd9Sstevel@tonic-gate char *ptr; 19077c478bd9Sstevel@tonic-gate int n, n2, min, min_gt; 19087c478bd9Sstevel@tonic-gate 19097c478bd9Sstevel@tonic-gate if (strcmp(list, "*") == 0) 19107c478bd9Sstevel@tonic-gate return (current); 19117c478bd9Sstevel@tonic-gate ptr = list; 19127c478bd9Sstevel@tonic-gate min = DUMMY; 19137c478bd9Sstevel@tonic-gate min_gt = DUMMY; 19147c478bd9Sstevel@tonic-gate for (;;) { 19157c478bd9Sstevel@tonic-gate if ((n = (int)num(&ptr)) == current) 19167c478bd9Sstevel@tonic-gate return (current); 19177c478bd9Sstevel@tonic-gate if (n < min) 19187c478bd9Sstevel@tonic-gate min = n; 19197c478bd9Sstevel@tonic-gate if ((n > current) && (n < min_gt)) 19207c478bd9Sstevel@tonic-gate min_gt = n; 19217c478bd9Sstevel@tonic-gate if (*ptr == '-') { 19227c478bd9Sstevel@tonic-gate ptr++; 19237c478bd9Sstevel@tonic-gate if ((n2 = (int)num(&ptr)) > n) { 19247c478bd9Sstevel@tonic-gate if ((current > n) && (current <= n2)) 19257c478bd9Sstevel@tonic-gate return (current); 19267c478bd9Sstevel@tonic-gate } else { /* range that wraps around */ 19277c478bd9Sstevel@tonic-gate if (current > n) 19287c478bd9Sstevel@tonic-gate return (current); 19297c478bd9Sstevel@tonic-gate if (current <= n2) 19307c478bd9Sstevel@tonic-gate return (current); 19317c478bd9Sstevel@tonic-gate } 19327c478bd9Sstevel@tonic-gate } 19337c478bd9Sstevel@tonic-gate if (*ptr == '\0') 19347c478bd9Sstevel@tonic-gate break; 19357c478bd9Sstevel@tonic-gate ptr += 1; 19367c478bd9Sstevel@tonic-gate } 19377c478bd9Sstevel@tonic-gate if (min_gt != DUMMY) 19387c478bd9Sstevel@tonic-gate return (min_gt); 19397c478bd9Sstevel@tonic-gate else 19407c478bd9Sstevel@tonic-gate return (min); 19417c478bd9Sstevel@tonic-gate } 19427c478bd9Sstevel@tonic-gate 19437c478bd9Sstevel@tonic-gate static void 19447c478bd9Sstevel@tonic-gate free_if_unused(struct usr *u) 19457c478bd9Sstevel@tonic-gate { 19467c478bd9Sstevel@tonic-gate struct usr *cur, *prev; 19477c478bd9Sstevel@tonic-gate /* 19487c478bd9Sstevel@tonic-gate * To make sure a usr structure is idle we must check that 19497c478bd9Sstevel@tonic-gate * there are no at jobs queued for the user; the user does 19507c478bd9Sstevel@tonic-gate * not have a crontab, and also that there are no running at 19517c478bd9Sstevel@tonic-gate * or cron jobs (since the runinfo structure also has a 19527c478bd9Sstevel@tonic-gate * pointer to the usr structure). 19537c478bd9Sstevel@tonic-gate */ 19547c478bd9Sstevel@tonic-gate if (!u->ctexists && u->atevents == NULL && 19557c478bd9Sstevel@tonic-gate u->cruncnt == 0 && u->aruncnt == 0) { 19567c478bd9Sstevel@tonic-gate #ifdef DEBUG 19577c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s removed from usr list\n", u->name); 19587c478bd9Sstevel@tonic-gate #endif 19597c478bd9Sstevel@tonic-gate for (cur = uhead, prev = NULL; 19604c4c9110Sbasabi cur != u; 19614c4c9110Sbasabi prev = cur, cur = cur->nextusr) { 19627c478bd9Sstevel@tonic-gate if (cur == NULL) { 19637c478bd9Sstevel@tonic-gate return; 19647c478bd9Sstevel@tonic-gate } 19657c478bd9Sstevel@tonic-gate } 19667c478bd9Sstevel@tonic-gate 19677c478bd9Sstevel@tonic-gate if (prev == NULL) 19687c478bd9Sstevel@tonic-gate uhead = u->nextusr; 19697c478bd9Sstevel@tonic-gate else 19707c478bd9Sstevel@tonic-gate prev->nextusr = u->nextusr; 19717c478bd9Sstevel@tonic-gate free(u->name); 19727c478bd9Sstevel@tonic-gate free(u->home); 19737c478bd9Sstevel@tonic-gate free(u); 19747c478bd9Sstevel@tonic-gate } 19757c478bd9Sstevel@tonic-gate } 19767c478bd9Sstevel@tonic-gate 19777c478bd9Sstevel@tonic-gate static void 19787c478bd9Sstevel@tonic-gate del_atjob(char *name, char *usrname) 19797c478bd9Sstevel@tonic-gate { 19807c478bd9Sstevel@tonic-gate 19817c478bd9Sstevel@tonic-gate struct event *e, *eprev; 19827c478bd9Sstevel@tonic-gate struct usr *u; 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate if ((u = find_usr(usrname)) == NULL) 19857c478bd9Sstevel@tonic-gate return; 19867c478bd9Sstevel@tonic-gate e = u->atevents; 19877c478bd9Sstevel@tonic-gate eprev = NULL; 19887c478bd9Sstevel@tonic-gate while (e != NULL) { 19897c478bd9Sstevel@tonic-gate if (strcmp(name, e->cmd) == 0) { 19907c478bd9Sstevel@tonic-gate if (next_event == e) 19917c478bd9Sstevel@tonic-gate next_event = NULL; 19927c478bd9Sstevel@tonic-gate if (eprev == NULL) 19937c478bd9Sstevel@tonic-gate u->atevents = e->link; 19947c478bd9Sstevel@tonic-gate else 19957c478bd9Sstevel@tonic-gate eprev->link = e->link; 19967c478bd9Sstevel@tonic-gate el_remove(e->of.at.eventid, 1); 19977c478bd9Sstevel@tonic-gate free(e->cmd); 19987c478bd9Sstevel@tonic-gate free(e); 19997c478bd9Sstevel@tonic-gate break; 20007c478bd9Sstevel@tonic-gate } else { 20017c478bd9Sstevel@tonic-gate eprev = e; 20027c478bd9Sstevel@tonic-gate e = e->link; 20037c478bd9Sstevel@tonic-gate } 20047c478bd9Sstevel@tonic-gate } 20057c478bd9Sstevel@tonic-gate 20067c478bd9Sstevel@tonic-gate free_if_unused(u); 20077c478bd9Sstevel@tonic-gate } 20087c478bd9Sstevel@tonic-gate 20097c478bd9Sstevel@tonic-gate static void 20107c478bd9Sstevel@tonic-gate del_ctab(char *name) 20117c478bd9Sstevel@tonic-gate { 20127c478bd9Sstevel@tonic-gate 20137c478bd9Sstevel@tonic-gate struct usr *u; 20147c478bd9Sstevel@tonic-gate 20157c478bd9Sstevel@tonic-gate if ((u = find_usr(name)) == NULL) 20167c478bd9Sstevel@tonic-gate return; 20177c478bd9Sstevel@tonic-gate rm_ctevents(u); 20187c478bd9Sstevel@tonic-gate el_remove(u->ctid, 0); 20197c478bd9Sstevel@tonic-gate u->ctid = 0; 20207c478bd9Sstevel@tonic-gate u->ctexists = 0; 20217c478bd9Sstevel@tonic-gate 20227c478bd9Sstevel@tonic-gate free_if_unused(u); 20237c478bd9Sstevel@tonic-gate } 20247c478bd9Sstevel@tonic-gate 20257c478bd9Sstevel@tonic-gate static void 20267c478bd9Sstevel@tonic-gate rm_ctevents(struct usr *u) 20277c478bd9Sstevel@tonic-gate { 20287c478bd9Sstevel@tonic-gate struct event *e2, *e3; 20297c478bd9Sstevel@tonic-gate 20307c478bd9Sstevel@tonic-gate /* 20317c478bd9Sstevel@tonic-gate * see if the next event (to be run by cron) is a cronevent 20327c478bd9Sstevel@tonic-gate * owned by this user. 20337c478bd9Sstevel@tonic-gate */ 20347c478bd9Sstevel@tonic-gate 20357c478bd9Sstevel@tonic-gate if ((next_event != NULL) && 20367c478bd9Sstevel@tonic-gate (next_event->etype == CRONEVENT) && 20377c478bd9Sstevel@tonic-gate (next_event->u == u)) { 20387c478bd9Sstevel@tonic-gate next_event = NULL; 20397c478bd9Sstevel@tonic-gate } 20407c478bd9Sstevel@tonic-gate e2 = u->ctevents; 20417c478bd9Sstevel@tonic-gate while (e2 != NULL) { 20427c478bd9Sstevel@tonic-gate free(e2->cmd); 20437c478bd9Sstevel@tonic-gate free(e2->of.ct.minute); 20447c478bd9Sstevel@tonic-gate free(e2->of.ct.hour); 20457c478bd9Sstevel@tonic-gate free(e2->of.ct.daymon); 20467c478bd9Sstevel@tonic-gate free(e2->of.ct.month); 20477c478bd9Sstevel@tonic-gate free(e2->of.ct.dayweek); 20487c478bd9Sstevel@tonic-gate if (e2->of.ct.input != NULL) 20497c478bd9Sstevel@tonic-gate free(e2->of.ct.input); 20507c478bd9Sstevel@tonic-gate e3 = e2->link; 20517c478bd9Sstevel@tonic-gate free(e2); 20527c478bd9Sstevel@tonic-gate e2 = e3; 20537c478bd9Sstevel@tonic-gate } 20547c478bd9Sstevel@tonic-gate u->ctevents = NULL; 20557c478bd9Sstevel@tonic-gate } 20567c478bd9Sstevel@tonic-gate 20577c478bd9Sstevel@tonic-gate 20587c478bd9Sstevel@tonic-gate static struct usr * 20597c478bd9Sstevel@tonic-gate find_usr(char *uname) 20607c478bd9Sstevel@tonic-gate { 20617c478bd9Sstevel@tonic-gate struct usr *u; 20627c478bd9Sstevel@tonic-gate 20637c478bd9Sstevel@tonic-gate u = uhead; 20647c478bd9Sstevel@tonic-gate while (u != NULL) { 20657c478bd9Sstevel@tonic-gate if (strcmp(u->name, uname) == 0) 20667c478bd9Sstevel@tonic-gate return (u); 20677c478bd9Sstevel@tonic-gate u = u->nextusr; 20687c478bd9Sstevel@tonic-gate } 20697c478bd9Sstevel@tonic-gate return (NULL); 20707c478bd9Sstevel@tonic-gate } 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate /* 20737c478bd9Sstevel@tonic-gate * Execute cron command or at/batch job. 20747c478bd9Sstevel@tonic-gate * If ever a premature return is added to this function pay attention to 20757c478bd9Sstevel@tonic-gate * free at_cmdfile and outfile plus jobname buffers of the runinfo structure. 20767c478bd9Sstevel@tonic-gate */ 20777c478bd9Sstevel@tonic-gate static int 20787c478bd9Sstevel@tonic-gate ex(struct event *e) 20797c478bd9Sstevel@tonic-gate { 20807c478bd9Sstevel@tonic-gate int r; 20817c478bd9Sstevel@tonic-gate int fd; 20827c478bd9Sstevel@tonic-gate pid_t rfork; 20837c478bd9Sstevel@tonic-gate FILE *atcmdfp; 20847c478bd9Sstevel@tonic-gate char mailvar[4]; 20857c478bd9Sstevel@tonic-gate char *at_cmdfile = NULL; 20867c478bd9Sstevel@tonic-gate struct stat buf; 20877c478bd9Sstevel@tonic-gate struct queue *qp; 20887c478bd9Sstevel@tonic-gate struct runinfo *rp; 20897c478bd9Sstevel@tonic-gate struct project proj, *pproj = NULL; 20907c478bd9Sstevel@tonic-gate char mybuf[PROJECT_BUFSZ]; 20917c478bd9Sstevel@tonic-gate char mybuf2[PROJECT_BUFSZ]; 20927c478bd9Sstevel@tonic-gate char *tmpfile; 20937c478bd9Sstevel@tonic-gate FILE *fptr; 20947c478bd9Sstevel@tonic-gate time_t dhltime; 20957c478bd9Sstevel@tonic-gate projid_t projid; 20967c478bd9Sstevel@tonic-gate int projflag = 0; 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate qp = &qt[e->etype]; /* set pointer to queue defs */ 20997c478bd9Sstevel@tonic-gate if (qp->nrun >= qp->njob) { 21004c4c9110Sbasabi msg("%c queue max run limit reached", e->etype + 'a'); 21017c478bd9Sstevel@tonic-gate resched(qp->nwait); 21027c478bd9Sstevel@tonic-gate return (0); 21037c478bd9Sstevel@tonic-gate } 21049f163834Sbasabi rp = rinfo_get(0); /* allocating a new runinfo struct */ 21057c478bd9Sstevel@tonic-gate 21067c478bd9Sstevel@tonic-gate 21077c478bd9Sstevel@tonic-gate /* 21087c478bd9Sstevel@tonic-gate * the tempnam() function uses malloc(3C) to allocate space for the 21097c478bd9Sstevel@tonic-gate * constructed file name, and returns a pointer to this area, which 21107c478bd9Sstevel@tonic-gate * is assigned to rp->outfile. Here rp->outfile is not overwritten. 21117c478bd9Sstevel@tonic-gate */ 21127c478bd9Sstevel@tonic-gate 21137c478bd9Sstevel@tonic-gate rp->outfile = tempnam(TMPDIR, PFX); 21147c478bd9Sstevel@tonic-gate rp->jobtype = e->etype; 21157c478bd9Sstevel@tonic-gate if (e->etype == CRONEVENT) { 21164c4c9110Sbasabi rp->jobname = xmalloc(strlen(e->cmd) + 1); 21177c478bd9Sstevel@tonic-gate (void) strcpy(rp->jobname, e->cmd); 21187c478bd9Sstevel@tonic-gate /* "cron" jobs only produce mail if there's output */ 21197c478bd9Sstevel@tonic-gate rp->mailwhendone = 0; 21207c478bd9Sstevel@tonic-gate } else { 21214c4c9110Sbasabi at_cmdfile = xmalloc(strlen(ATDIR) + strlen(e->cmd) + 2); 21227c478bd9Sstevel@tonic-gate (void) sprintf(at_cmdfile, "%s/%s", ATDIR, e->cmd); 21237c478bd9Sstevel@tonic-gate if ((atcmdfp = fopen(at_cmdfile, "r")) == NULL) { 21247c478bd9Sstevel@tonic-gate if (errno == ENAMETOOLONG) { 21257c478bd9Sstevel@tonic-gate if (chdir(ATDIR) == 0) 21267c478bd9Sstevel@tonic-gate cron_unlink(e->cmd); 21277c478bd9Sstevel@tonic-gate } else { 21287c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 21297c478bd9Sstevel@tonic-gate } 21307c478bd9Sstevel@tonic-gate mail((e->u)->name, BADJOBOPEN, ERR_CANTEXECAT); 21317c478bd9Sstevel@tonic-gate free(at_cmdfile); 21327c478bd9Sstevel@tonic-gate rinfo_free(rp); 21337c478bd9Sstevel@tonic-gate return (0); 21347c478bd9Sstevel@tonic-gate } 21354c4c9110Sbasabi rp->jobname = xmalloc(strlen(at_cmdfile) + 1); 21367c478bd9Sstevel@tonic-gate (void) strcpy(rp->jobname, at_cmdfile); 21377c478bd9Sstevel@tonic-gate 21387c478bd9Sstevel@tonic-gate /* 21397c478bd9Sstevel@tonic-gate * Skip over the first two lines. 21407c478bd9Sstevel@tonic-gate */ 21417c478bd9Sstevel@tonic-gate (void) fscanf(atcmdfp, "%*[^\n]\n"); 21427c478bd9Sstevel@tonic-gate (void) fscanf(atcmdfp, "%*[^\n]\n"); 21437c478bd9Sstevel@tonic-gate if (fscanf(atcmdfp, ": notify by mail: %3s%*[^\n]\n", 21444c4c9110Sbasabi mailvar) == 1) { 21457c478bd9Sstevel@tonic-gate /* 21467c478bd9Sstevel@tonic-gate * Check to see if we should always send mail 21477c478bd9Sstevel@tonic-gate * to the owner. 21487c478bd9Sstevel@tonic-gate */ 21497c478bd9Sstevel@tonic-gate rp->mailwhendone = (strcmp(mailvar, "yes") == 0); 21507c478bd9Sstevel@tonic-gate } else { 21517c478bd9Sstevel@tonic-gate rp->mailwhendone = 0; 21527c478bd9Sstevel@tonic-gate } 21537c478bd9Sstevel@tonic-gate 21547c478bd9Sstevel@tonic-gate if (fscanf(atcmdfp, "\n: project: %d\n", &projid) == 1) { 21557c478bd9Sstevel@tonic-gate projflag = 1; 21567c478bd9Sstevel@tonic-gate } 21577c478bd9Sstevel@tonic-gate (void) fclose(atcmdfp); 21587c478bd9Sstevel@tonic-gate } 21597c478bd9Sstevel@tonic-gate 21607c478bd9Sstevel@tonic-gate /* 21617c478bd9Sstevel@tonic-gate * we make sure that the system time 21627c478bd9Sstevel@tonic-gate * hasn't drifted backwards. if it has, el_add() is now 21637c478bd9Sstevel@tonic-gate * called, to make sure that the event queue is back in order, 21647c478bd9Sstevel@tonic-gate * and we set the delayed flag. cron will pick up the request 21657c478bd9Sstevel@tonic-gate * later on at the proper time. 21667c478bd9Sstevel@tonic-gate */ 21677c478bd9Sstevel@tonic-gate dhltime = time(NULL); 21687c478bd9Sstevel@tonic-gate if ((dhltime - e->time) < 0) { 21697c478bd9Sstevel@tonic-gate msg("clock time drifted backwards!\n"); 21707c478bd9Sstevel@tonic-gate if (next_event->etype == CRONEVENT) { 21717c478bd9Sstevel@tonic-gate msg("correcting cron event\n"); 21727c478bd9Sstevel@tonic-gate next_event->time = next_time(next_event, dhltime); 2173*e2553d68SSerge Dussud switch (el_add(next_event, next_event->time, 2174*e2553d68SSerge Dussud (next_event->u)->ctid)) { 2175*e2553d68SSerge Dussud case -1: 2176*e2553d68SSerge Dussud ignore_msg("ex", "cron", next_event); 2177*e2553d68SSerge Dussud break; 2178*e2553d68SSerge Dussud case -2: /* event time lower than init time */ 2179*e2553d68SSerge Dussud reset_needed = 1; 2180*e2553d68SSerge Dussud break; 2181*e2553d68SSerge Dussud } 21827c478bd9Sstevel@tonic-gate } else { /* etype == ATEVENT */ 21837c478bd9Sstevel@tonic-gate msg("correcting batch event\n"); 2184*e2553d68SSerge Dussud if (el_add(next_event, next_event->time, 2185*e2553d68SSerge Dussud next_event->of.at.eventid) < 0) { 2186*e2553d68SSerge Dussud ignore_msg("ex", "at", next_event); 2187*e2553d68SSerge Dussud } 21887c478bd9Sstevel@tonic-gate } 21897c478bd9Sstevel@tonic-gate delayed++; 21907c478bd9Sstevel@tonic-gate t_old = time(NULL); 21917c478bd9Sstevel@tonic-gate free(at_cmdfile); 21927c478bd9Sstevel@tonic-gate rinfo_free(rp); 21937c478bd9Sstevel@tonic-gate return (0); 21947c478bd9Sstevel@tonic-gate } 21957c478bd9Sstevel@tonic-gate 21967c478bd9Sstevel@tonic-gate if ((rfork = fork()) == (pid_t)-1) { 21977c478bd9Sstevel@tonic-gate reap_child(); 21987c478bd9Sstevel@tonic-gate if ((rfork = fork()) == (pid_t)-1) { 21997c478bd9Sstevel@tonic-gate msg("cannot fork"); 22007c478bd9Sstevel@tonic-gate free(at_cmdfile); 22017c478bd9Sstevel@tonic-gate rinfo_free(rp); 22027c478bd9Sstevel@tonic-gate resched(60); 22037c478bd9Sstevel@tonic-gate (void) sleep(30); 22047c478bd9Sstevel@tonic-gate return (0); 22057c478bd9Sstevel@tonic-gate } 22067c478bd9Sstevel@tonic-gate } 22077c478bd9Sstevel@tonic-gate if (rfork) { /* parent process */ 22087c478bd9Sstevel@tonic-gate contract_abandon_latest(rfork); 22097c478bd9Sstevel@tonic-gate 22107c478bd9Sstevel@tonic-gate ++qp->nrun; 22117c478bd9Sstevel@tonic-gate rp->pid = rfork; 22127c478bd9Sstevel@tonic-gate rp->que = e->etype; 22137c478bd9Sstevel@tonic-gate if (e->etype != CRONEVENT) 22147c478bd9Sstevel@tonic-gate (e->u)->aruncnt++; 22157c478bd9Sstevel@tonic-gate else 22167c478bd9Sstevel@tonic-gate (e->u)->cruncnt++; 22177c478bd9Sstevel@tonic-gate rp->rusr = (e->u); 22187c478bd9Sstevel@tonic-gate logit(BCHAR, rp, 0); 22197c478bd9Sstevel@tonic-gate free(at_cmdfile); 22207c478bd9Sstevel@tonic-gate 22217c478bd9Sstevel@tonic-gate return (0); 22227c478bd9Sstevel@tonic-gate } 22237c478bd9Sstevel@tonic-gate 22247c478bd9Sstevel@tonic-gate child_sigreset(); 22257c478bd9Sstevel@tonic-gate contract_clear_template(); 22267c478bd9Sstevel@tonic-gate 22277c478bd9Sstevel@tonic-gate if (e->etype != CRONEVENT) { 22287c478bd9Sstevel@tonic-gate /* open jobfile as stdin to shell */ 22297c478bd9Sstevel@tonic-gate if (stat(at_cmdfile, &buf)) { 22307c478bd9Sstevel@tonic-gate if (errno == ENAMETOOLONG) { 22317c478bd9Sstevel@tonic-gate if (chdir(ATDIR) == 0) 22327c478bd9Sstevel@tonic-gate cron_unlink(e->cmd); 22337c478bd9Sstevel@tonic-gate } else 22347c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 22357c478bd9Sstevel@tonic-gate mail((e->u)->name, BADJOBOPEN, ERR_CANTEXECCRON); 22367c478bd9Sstevel@tonic-gate exit(1); 22377c478bd9Sstevel@tonic-gate } 22387c478bd9Sstevel@tonic-gate if (!(buf.st_mode&ISUID)) { 22397c478bd9Sstevel@tonic-gate /* 22407c478bd9Sstevel@tonic-gate * if setuid bit off, original owner has 22417c478bd9Sstevel@tonic-gate * given this file to someone else 22427c478bd9Sstevel@tonic-gate */ 22437c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 22447c478bd9Sstevel@tonic-gate exit(1); 22457c478bd9Sstevel@tonic-gate } 22467c478bd9Sstevel@tonic-gate if ((fd = open(at_cmdfile, O_RDONLY)) == -1) { 22477c478bd9Sstevel@tonic-gate mail((e->u)->name, BADJOBOPEN, ERR_CANTEXECCRON); 22487c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 22497c478bd9Sstevel@tonic-gate exit(1); 22507c478bd9Sstevel@tonic-gate } 22517c478bd9Sstevel@tonic-gate if (fd != 0) { 22527c478bd9Sstevel@tonic-gate (void) dup2(fd, 0); 22537c478bd9Sstevel@tonic-gate (void) close(fd); 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate /* 22567c478bd9Sstevel@tonic-gate * retrieve the project id of the at job and convert it 22577c478bd9Sstevel@tonic-gate * to a project name. fail if it's not a valid project 22587c478bd9Sstevel@tonic-gate * or if the user isn't a member of the project. 22597c478bd9Sstevel@tonic-gate */ 22607c478bd9Sstevel@tonic-gate if (projflag == 1) { 22617c478bd9Sstevel@tonic-gate if ((pproj = getprojbyid(projid, &proj, 22627c478bd9Sstevel@tonic-gate (void *)&mybuf, sizeof (mybuf))) == NULL || 22637c478bd9Sstevel@tonic-gate !inproj(e->u->name, pproj->pj_name, 22647c478bd9Sstevel@tonic-gate mybuf2, sizeof (mybuf2))) { 22657c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 22667c478bd9Sstevel@tonic-gate mail((e->u)->name, BADPROJID, ERR_CANTEXECAT); 22677c478bd9Sstevel@tonic-gate exit(1); 22687c478bd9Sstevel@tonic-gate } 22697c478bd9Sstevel@tonic-gate } 22707c478bd9Sstevel@tonic-gate } 22717c478bd9Sstevel@tonic-gate 22727c478bd9Sstevel@tonic-gate /* 22737c478bd9Sstevel@tonic-gate * Put process in a new session, and create a new task. 22747c478bd9Sstevel@tonic-gate */ 22757c478bd9Sstevel@tonic-gate if (setsid() < 0) { 22767c478bd9Sstevel@tonic-gate msg("setsid failed with errno = %d. job failed (%s)" 22777c478bd9Sstevel@tonic-gate " for user %s", errno, e->cmd, e->u->name); 22787c478bd9Sstevel@tonic-gate if (e->etype != CRONEVENT) 22797c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 22807c478bd9Sstevel@tonic-gate exit(1); 22817c478bd9Sstevel@tonic-gate } 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate /* 22847c478bd9Sstevel@tonic-gate * set correct user identification and check his account 22857c478bd9Sstevel@tonic-gate */ 22867c478bd9Sstevel@tonic-gate r = set_user_cred(e->u, pproj); 22877c478bd9Sstevel@tonic-gate if (r == VUC_EXPIRED) { 22887c478bd9Sstevel@tonic-gate msg("user (%s) account is expired", e->u->name); 22897c478bd9Sstevel@tonic-gate audit_cron_user_acct_expired(e->u->name); 22907c478bd9Sstevel@tonic-gate clean_out_user(e->u); 22917c478bd9Sstevel@tonic-gate exit(1); 22927c478bd9Sstevel@tonic-gate } 22937c478bd9Sstevel@tonic-gate if (r == VUC_NEW_AUTH) { 22947c478bd9Sstevel@tonic-gate msg("user (%s) password has expired", e->u->name); 22957c478bd9Sstevel@tonic-gate audit_cron_user_acct_expired(e->u->name); 22967c478bd9Sstevel@tonic-gate clean_out_user(e->u); 22977c478bd9Sstevel@tonic-gate exit(1); 22987c478bd9Sstevel@tonic-gate } 22997c478bd9Sstevel@tonic-gate if (r != VUC_OK) { 23007c478bd9Sstevel@tonic-gate msg("bad user (%s)", e->u->name); 23017c478bd9Sstevel@tonic-gate audit_cron_bad_user(e->u->name); 23027c478bd9Sstevel@tonic-gate clean_out_user(e->u); 23037c478bd9Sstevel@tonic-gate exit(1); 23047c478bd9Sstevel@tonic-gate } 23057c478bd9Sstevel@tonic-gate /* 23067c478bd9Sstevel@tonic-gate * check user and initialize the supplementary group access list. 23077c478bd9Sstevel@tonic-gate * bugid 1230784: deleted from parent to avoid cron hang. Now 23087c478bd9Sstevel@tonic-gate * only child handles the call. 23097c478bd9Sstevel@tonic-gate */ 23107c478bd9Sstevel@tonic-gate 23117c478bd9Sstevel@tonic-gate if (verify_user_cred(e->u) != VUC_OK || 23127c478bd9Sstevel@tonic-gate setgid(e->u->gid) == -1 || 23137c478bd9Sstevel@tonic-gate initgroups(e->u->name, e->u->gid) == -1) { 23147c478bd9Sstevel@tonic-gate msg("bad user (%s) or setgid failed (%s)", 23154c4c9110Sbasabi e->u->name, e->u->name); 23167c478bd9Sstevel@tonic-gate audit_cron_bad_user(e->u->name); 23177c478bd9Sstevel@tonic-gate clean_out_user(e->u); 23187c478bd9Sstevel@tonic-gate exit(1); 23197c478bd9Sstevel@tonic-gate } 23207c478bd9Sstevel@tonic-gate 232163d5d94cSjc if ((e->u)->uid == 0) { /* set default path */ 232263d5d94cSjc /* path settable in defaults file */ 232363d5d94cSjc envinit[2] = supath; 232463d5d94cSjc } else { 232563d5d94cSjc envinit[2] = path; 232663d5d94cSjc } 232763d5d94cSjc 23287c478bd9Sstevel@tonic-gate if (e->etype != CRONEVENT) { 23297c478bd9Sstevel@tonic-gate r = audit_cron_session(e->u->name, NULL, 23304c4c9110Sbasabi e->u->uid, e->u->gid, at_cmdfile); 23317c478bd9Sstevel@tonic-gate cron_unlink(at_cmdfile); 23327c478bd9Sstevel@tonic-gate } else { 23337c478bd9Sstevel@tonic-gate r = audit_cron_session(e->u->name, CRONDIR, 23344c4c9110Sbasabi e->u->uid, e->u->gid, NULL); 23357c478bd9Sstevel@tonic-gate } 23367c478bd9Sstevel@tonic-gate if (r != 0) { 23377c478bd9Sstevel@tonic-gate msg("cron audit problem. job failed (%s) for user %s", 23384c4c9110Sbasabi e->cmd, e->u->name); 23397c478bd9Sstevel@tonic-gate exit(1); 23407c478bd9Sstevel@tonic-gate } 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate audit_cron_new_job(e->cmd, e->etype, (void *)e); 23437c478bd9Sstevel@tonic-gate 23447c478bd9Sstevel@tonic-gate if (setuid(e->u->uid) == -1) { 23457c478bd9Sstevel@tonic-gate msg("setuid failed (%s)", e->u->name); 23467c478bd9Sstevel@tonic-gate clean_out_user(e->u); 23477c478bd9Sstevel@tonic-gate exit(1); 23487c478bd9Sstevel@tonic-gate } 23497c478bd9Sstevel@tonic-gate 23507c478bd9Sstevel@tonic-gate if (e->etype == CRONEVENT) { 23517c478bd9Sstevel@tonic-gate /* check for standard input to command */ 23527c478bd9Sstevel@tonic-gate if (e->of.ct.input != NULL) { 23537c478bd9Sstevel@tonic-gate if ((tmpfile = strdup(TMPINFILE)) == NULL) { 23547c478bd9Sstevel@tonic-gate mail((e->u)->name, MALLOCERR, 23554c4c9110Sbasabi ERR_CANTEXECCRON); 23567c478bd9Sstevel@tonic-gate exit(1); 23577c478bd9Sstevel@tonic-gate } 23587c478bd9Sstevel@tonic-gate if ((fd = mkstemp(tmpfile)) == -1 || 23594c4c9110Sbasabi (fptr = fdopen(fd, "w")) == NULL) { 23607c478bd9Sstevel@tonic-gate mail((e->u)->name, NOSTDIN, 23614c4c9110Sbasabi ERR_CANTEXECCRON); 23627c478bd9Sstevel@tonic-gate cron_unlink(tmpfile); 23637c478bd9Sstevel@tonic-gate free(tmpfile); 23647c478bd9Sstevel@tonic-gate exit(1); 23657c478bd9Sstevel@tonic-gate } 23667c478bd9Sstevel@tonic-gate if ((fwrite(e->of.ct.input, sizeof (char), 23674c4c9110Sbasabi strlen(e->of.ct.input), fptr)) != 23684c4c9110Sbasabi strlen(e->of.ct.input)) { 23697c478bd9Sstevel@tonic-gate mail((e->u)->name, NOSTDIN, ERR_CANTEXECCRON); 23707c478bd9Sstevel@tonic-gate cron_unlink(tmpfile); 23717c478bd9Sstevel@tonic-gate free(tmpfile); 23727c478bd9Sstevel@tonic-gate (void) close(fd); 23737c478bd9Sstevel@tonic-gate (void) fclose(fptr); 23747c478bd9Sstevel@tonic-gate exit(1); 23757c478bd9Sstevel@tonic-gate } 23767c478bd9Sstevel@tonic-gate if (fseek(fptr, (off_t)0, SEEK_SET) != -1) { 23777c478bd9Sstevel@tonic-gate if (fd != 0) { 23787c478bd9Sstevel@tonic-gate (void) dup2(fd, 0); 23797c478bd9Sstevel@tonic-gate (void) close(fd); 23807c478bd9Sstevel@tonic-gate } 23817c478bd9Sstevel@tonic-gate } 23827c478bd9Sstevel@tonic-gate cron_unlink(tmpfile); 23837c478bd9Sstevel@tonic-gate free(tmpfile); 23847c478bd9Sstevel@tonic-gate (void) fclose(fptr); 23857c478bd9Sstevel@tonic-gate } else if ((fd = open("/dev/null", O_RDONLY)) > 0) { 23867c478bd9Sstevel@tonic-gate (void) dup2(fd, 0); 23877c478bd9Sstevel@tonic-gate (void) close(fd); 23887c478bd9Sstevel@tonic-gate } 23897c478bd9Sstevel@tonic-gate } 23907c478bd9Sstevel@tonic-gate 23917c478bd9Sstevel@tonic-gate /* redirect stdout and stderr for the shell */ 23927c478bd9Sstevel@tonic-gate if ((fd = open(rp->outfile, O_WRONLY|O_CREAT|O_EXCL, OUTMODE)) == 1) 23937c478bd9Sstevel@tonic-gate fd = open("/dev/null", O_WRONLY); 23947c478bd9Sstevel@tonic-gate 23957c478bd9Sstevel@tonic-gate if (fd >= 0 && fd != 1) 23967c478bd9Sstevel@tonic-gate (void) dup2(fd, 1); 23977c478bd9Sstevel@tonic-gate 23987c478bd9Sstevel@tonic-gate if (fd >= 0 && fd != 2) { 23997c478bd9Sstevel@tonic-gate (void) dup2(fd, 2); 24007c478bd9Sstevel@tonic-gate if (fd != 1) 24017c478bd9Sstevel@tonic-gate (void) close(fd); 24027c478bd9Sstevel@tonic-gate } 24037c478bd9Sstevel@tonic-gate 24047c478bd9Sstevel@tonic-gate (void) strlcat(homedir, (e->u)->home, sizeof (homedir)); 24057c478bd9Sstevel@tonic-gate (void) strlcat(logname, (e->u)->name, sizeof (logname)); 24067c478bd9Sstevel@tonic-gate environ = envinit; 24077c478bd9Sstevel@tonic-gate if (chdir((e->u)->home) == -1) { 24087c478bd9Sstevel@tonic-gate mail((e->u)->name, CANTCDHOME, 24094c4c9110Sbasabi e->etype == CRONEVENT ? ERR_CANTEXECCRON : 24104c4c9110Sbasabi ERR_CANTEXECAT); 24117c478bd9Sstevel@tonic-gate exit(1); 24127c478bd9Sstevel@tonic-gate } 24137c478bd9Sstevel@tonic-gate #ifdef TESTING 24147c478bd9Sstevel@tonic-gate exit(1); 24157c478bd9Sstevel@tonic-gate #endif 24167c478bd9Sstevel@tonic-gate /* 24177c478bd9Sstevel@tonic-gate * make sure that all file descriptors EXCEPT 0, 1 and 2 24187c478bd9Sstevel@tonic-gate * will be closed. 24197c478bd9Sstevel@tonic-gate */ 24207c478bd9Sstevel@tonic-gate closefrom(3); 24217c478bd9Sstevel@tonic-gate 24227c478bd9Sstevel@tonic-gate if ((e->u)->uid != 0) 24237c478bd9Sstevel@tonic-gate (void) nice(qp->nice); 24247c478bd9Sstevel@tonic-gate if (e->etype == CRONEVENT) 24257c478bd9Sstevel@tonic-gate (void) execl(SHELL, "sh", "-c", e->cmd, 0); 24267c478bd9Sstevel@tonic-gate else /* type == ATEVENT */ 24277c478bd9Sstevel@tonic-gate (void) execl(SHELL, "sh", 0); 24287c478bd9Sstevel@tonic-gate mail((e->u)->name, CANTEXECSH, 24294c4c9110Sbasabi e->etype == CRONEVENT ? ERR_CANTEXECCRON : ERR_CANTEXECAT); 24307c478bd9Sstevel@tonic-gate exit(1); 24317c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 24327c478bd9Sstevel@tonic-gate } 24337c478bd9Sstevel@tonic-gate 24347c478bd9Sstevel@tonic-gate static int 24357c478bd9Sstevel@tonic-gate idle(long t) 24367c478bd9Sstevel@tonic-gate { 24377c478bd9Sstevel@tonic-gate time_t now; 24387c478bd9Sstevel@tonic-gate 24397c478bd9Sstevel@tonic-gate while (t > 0L) { 24407c478bd9Sstevel@tonic-gate 24417c478bd9Sstevel@tonic-gate if (msg_wait(t) != 0) { 24427c478bd9Sstevel@tonic-gate /* we need to run next job immediately */ 24437c478bd9Sstevel@tonic-gate return (0); 24447c478bd9Sstevel@tonic-gate } 24457c478bd9Sstevel@tonic-gate 24467c478bd9Sstevel@tonic-gate reap_child(); 24477c478bd9Sstevel@tonic-gate 24487c478bd9Sstevel@tonic-gate now = time(NULL); 24497c478bd9Sstevel@tonic-gate if (last_time > now) { 24507c478bd9Sstevel@tonic-gate /* clock has been reset */ 24517c478bd9Sstevel@tonic-gate return (1); 24527c478bd9Sstevel@tonic-gate } 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate if (next_event == NULL && !el_empty()) { 24557c478bd9Sstevel@tonic-gate next_event = (struct event *)el_first(); 24567c478bd9Sstevel@tonic-gate } 24577c478bd9Sstevel@tonic-gate if (next_event == NULL) 24587c478bd9Sstevel@tonic-gate t = INFINITY; 24597c478bd9Sstevel@tonic-gate else 24607c478bd9Sstevel@tonic-gate t = (long)next_event->time - now; 24617c478bd9Sstevel@tonic-gate } 24627c478bd9Sstevel@tonic-gate return (0); 24637c478bd9Sstevel@tonic-gate } 24647c478bd9Sstevel@tonic-gate 24657c478bd9Sstevel@tonic-gate /* 24667c478bd9Sstevel@tonic-gate * This used to be in the idle(), but moved to the separate function. 24677c478bd9Sstevel@tonic-gate * This called from various place when cron needs to reap the 24687c478bd9Sstevel@tonic-gate * child. It includes the situation that cron hit maxrun, and needs 24697c478bd9Sstevel@tonic-gate * to reschedule the job. 24707c478bd9Sstevel@tonic-gate */ 24717c478bd9Sstevel@tonic-gate static void 24727c478bd9Sstevel@tonic-gate reap_child() 24737c478bd9Sstevel@tonic-gate { 24747c478bd9Sstevel@tonic-gate pid_t pid; 24757c478bd9Sstevel@tonic-gate int prc; 24767c478bd9Sstevel@tonic-gate struct runinfo *rp; 24777c478bd9Sstevel@tonic-gate 24787c478bd9Sstevel@tonic-gate for (;;) { 24797c478bd9Sstevel@tonic-gate pid = waitpid((pid_t)-1, &prc, WNOHANG); 24807c478bd9Sstevel@tonic-gate if (pid <= 0) 24817c478bd9Sstevel@tonic-gate break; 24827c478bd9Sstevel@tonic-gate #ifdef DEBUG 24837c478bd9Sstevel@tonic-gate fprintf(stderr, 24844c4c9110Sbasabi "wait returned %x for process %d\n", prc, pid); 24857c478bd9Sstevel@tonic-gate #endif 24867c478bd9Sstevel@tonic-gate if ((rp = rinfo_get(pid)) == NULL) { 24877c478bd9Sstevel@tonic-gate if (miscpid_delete(pid) == 0) { 24887c478bd9Sstevel@tonic-gate /* not found in anywhere */ 24897c478bd9Sstevel@tonic-gate msg(PIDERR, pid); 24907c478bd9Sstevel@tonic-gate } 24917c478bd9Sstevel@tonic-gate } else if (rp->que == ZOMB) { 24927c478bd9Sstevel@tonic-gate (void) unlink(rp->outfile); 24937c478bd9Sstevel@tonic-gate rinfo_free(rp); 24947c478bd9Sstevel@tonic-gate } else { 24957c478bd9Sstevel@tonic-gate cleanup(rp, prc); 24967c478bd9Sstevel@tonic-gate } 24977c478bd9Sstevel@tonic-gate } 24987c478bd9Sstevel@tonic-gate } 24997c478bd9Sstevel@tonic-gate 25007c478bd9Sstevel@tonic-gate static void 25017c478bd9Sstevel@tonic-gate cleanup(struct runinfo *pr, int rc) 25027c478bd9Sstevel@tonic-gate { 25037c478bd9Sstevel@tonic-gate int nextfork = 1; 25047c478bd9Sstevel@tonic-gate struct usr *p; 25057c478bd9Sstevel@tonic-gate struct stat buf; 25067c478bd9Sstevel@tonic-gate 25077c478bd9Sstevel@tonic-gate logit(ECHAR, pr, rc); 25087c478bd9Sstevel@tonic-gate --qt[pr->que].nrun; 25097c478bd9Sstevel@tonic-gate p = pr->rusr; 25107c478bd9Sstevel@tonic-gate if (pr->que != CRONEVENT) 25117c478bd9Sstevel@tonic-gate --p->aruncnt; 25127c478bd9Sstevel@tonic-gate else 25137c478bd9Sstevel@tonic-gate --p->cruncnt; 25147c478bd9Sstevel@tonic-gate 25154bc0a2efScasper if (lstat(pr->outfile, &buf) == 0) { 25164bc0a2efScasper if (!S_ISLNK(buf.st_mode) && 25177c478bd9Sstevel@tonic-gate (buf.st_size > 0 || pr->mailwhendone)) { 25187c478bd9Sstevel@tonic-gate /* mail user stdout and stderr */ 25197c478bd9Sstevel@tonic-gate for (;;) { 25207c478bd9Sstevel@tonic-gate if ((pr->pid = fork()) < 0) { 25217c478bd9Sstevel@tonic-gate /* 25227c478bd9Sstevel@tonic-gate * if fork fails try forever in doubling 25237c478bd9Sstevel@tonic-gate * retry times, up to 16 seconds 25247c478bd9Sstevel@tonic-gate */ 25257c478bd9Sstevel@tonic-gate (void) sleep(nextfork); 25267c478bd9Sstevel@tonic-gate if (nextfork < 16) 25277c478bd9Sstevel@tonic-gate nextfork += nextfork; 25287c478bd9Sstevel@tonic-gate continue; 25297c478bd9Sstevel@tonic-gate } else if (pr->pid == 0) { 25307c478bd9Sstevel@tonic-gate child_sigreset(); 25317c478bd9Sstevel@tonic-gate contract_clear_template(); 25327c478bd9Sstevel@tonic-gate 25337c478bd9Sstevel@tonic-gate mail_result(p, pr, buf.st_size); 25347c478bd9Sstevel@tonic-gate /* NOTREACHED */ 25357c478bd9Sstevel@tonic-gate } else { 25367c478bd9Sstevel@tonic-gate contract_abandon_latest(pr->pid); 25377c478bd9Sstevel@tonic-gate pr->que = ZOMB; 25387c478bd9Sstevel@tonic-gate break; 25397c478bd9Sstevel@tonic-gate } 25407c478bd9Sstevel@tonic-gate } 25417c478bd9Sstevel@tonic-gate } else { 25427c478bd9Sstevel@tonic-gate (void) unlink(pr->outfile); 25437c478bd9Sstevel@tonic-gate rinfo_free(pr); 25447c478bd9Sstevel@tonic-gate } 25457c478bd9Sstevel@tonic-gate } else { 25467c478bd9Sstevel@tonic-gate rinfo_free(pr); 25477c478bd9Sstevel@tonic-gate } 25487c478bd9Sstevel@tonic-gate 25497c478bd9Sstevel@tonic-gate free_if_unused(p); 25507c478bd9Sstevel@tonic-gate } 25517c478bd9Sstevel@tonic-gate 25527c478bd9Sstevel@tonic-gate /* 25537c478bd9Sstevel@tonic-gate * Mail stdout and stderr of a job to user. Get uid for real user and become 25547c478bd9Sstevel@tonic-gate * that person. We do this so that mail won't come from root since this 25557c478bd9Sstevel@tonic-gate * could be a security hole. If failure, quit - don't send mail as root. 25567c478bd9Sstevel@tonic-gate */ 25577c478bd9Sstevel@tonic-gate static void 25587c478bd9Sstevel@tonic-gate mail_result(struct usr *p, struct runinfo *pr, size_t filesize) 25597c478bd9Sstevel@tonic-gate { 25607c478bd9Sstevel@tonic-gate struct passwd *ruser_ids; 25617c478bd9Sstevel@tonic-gate FILE *mailpipe; 25627c478bd9Sstevel@tonic-gate FILE *st; 25637c478bd9Sstevel@tonic-gate struct utsname name; 25647c478bd9Sstevel@tonic-gate int nbytes; 25657c478bd9Sstevel@tonic-gate char iobuf[BUFSIZ]; 25667c478bd9Sstevel@tonic-gate char *cmd; 25677c478bd9Sstevel@tonic-gate 25687c478bd9Sstevel@tonic-gate (void) uname(&name); 25697c478bd9Sstevel@tonic-gate if ((ruser_ids = getpwnam(p->name)) == NULL) 25707c478bd9Sstevel@tonic-gate exit(0); 25717c478bd9Sstevel@tonic-gate (void) setuid(ruser_ids->pw_uid); 25727c478bd9Sstevel@tonic-gate 25734c4c9110Sbasabi cmd = xmalloc(strlen(MAIL) + strlen(p->name)+2); 25747c478bd9Sstevel@tonic-gate (void) sprintf(cmd, "%s %s", MAIL, p->name); 25757c478bd9Sstevel@tonic-gate mailpipe = popen(cmd, "w"); 25767c478bd9Sstevel@tonic-gate free(cmd); 25777c478bd9Sstevel@tonic-gate if (mailpipe == NULL) 25787c478bd9Sstevel@tonic-gate exit(127); 25797c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "To: %s\n", p->name); 25807c478bd9Sstevel@tonic-gate if (pr->jobtype == CRONEVENT) { 25817c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, CRONOUT); 25827c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "Your \"cron\" job on %s\n", 25834c4c9110Sbasabi name.nodename); 25847c478bd9Sstevel@tonic-gate if (pr->jobname != NULL) { 25857c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "%s\n\n", pr->jobname); 25867c478bd9Sstevel@tonic-gate } 25877c478bd9Sstevel@tonic-gate } else { 25887c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "Subject: Output from \"at\" job\n\n"); 25897c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "Your \"at\" job on %s\n", 25904c4c9110Sbasabi name.nodename); 25917c478bd9Sstevel@tonic-gate if (pr->jobname != NULL) { 25927c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "\"%s\"\n\n", pr->jobname); 25937c478bd9Sstevel@tonic-gate } 25947c478bd9Sstevel@tonic-gate } 25957c478bd9Sstevel@tonic-gate /* Tmp. file is fopen'ed w/ "r", secure open */ 25967c478bd9Sstevel@tonic-gate if (filesize > 0 && 25977c478bd9Sstevel@tonic-gate (st = fopen(pr->outfile, "r")) != NULL) { 25987c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, 25994c4c9110Sbasabi "produced the following output:\n\n"); 26007c478bd9Sstevel@tonic-gate while ((nbytes = fread(iobuf, sizeof (char), BUFSIZ, st)) != 0) 26017c478bd9Sstevel@tonic-gate (void) fwrite(iobuf, sizeof (char), nbytes, mailpipe); 26027c478bd9Sstevel@tonic-gate (void) fclose(st); 26037c478bd9Sstevel@tonic-gate } else { 26047c478bd9Sstevel@tonic-gate (void) fprintf(mailpipe, "completed.\n"); 26057c478bd9Sstevel@tonic-gate } 26067c478bd9Sstevel@tonic-gate (void) pclose(mailpipe); 26077c478bd9Sstevel@tonic-gate exit(0); 26087c478bd9Sstevel@tonic-gate } 26097c478bd9Sstevel@tonic-gate 26107c478bd9Sstevel@tonic-gate static int 26117c478bd9Sstevel@tonic-gate msg_wait(long tim) 26127c478bd9Sstevel@tonic-gate { 26137c478bd9Sstevel@tonic-gate struct message msg; 26147c478bd9Sstevel@tonic-gate int cnt; 26157c478bd9Sstevel@tonic-gate time_t reftime; 26167c478bd9Sstevel@tonic-gate struct pollfd pfd[2]; 26177c478bd9Sstevel@tonic-gate int64_t tl; 26187c478bd9Sstevel@tonic-gate int timeout; 26197c478bd9Sstevel@tonic-gate static int pending_msg; 26207c478bd9Sstevel@tonic-gate static time_t pending_reftime; 26217c478bd9Sstevel@tonic-gate 26227c478bd9Sstevel@tonic-gate if (pending_msg) { 26237c478bd9Sstevel@tonic-gate process_msg(&msgbuf, pending_reftime); 26247c478bd9Sstevel@tonic-gate pending_msg = 0; 26257c478bd9Sstevel@tonic-gate return (0); 26267c478bd9Sstevel@tonic-gate } 26277c478bd9Sstevel@tonic-gate 26287c478bd9Sstevel@tonic-gate /* 26297c478bd9Sstevel@tonic-gate * We are opening the signal mask to receive SIGCLD. The notifypipe 26307c478bd9Sstevel@tonic-gate * is used to avoid race condition between SIGCLD and poll system 26317c478bd9Sstevel@tonic-gate * call. 26327c478bd9Sstevel@tonic-gate * If SIGCLD is delivered in poll(), poll will be interrupted, and 26337c478bd9Sstevel@tonic-gate * we will return to idle() to reap the dead children. 26347c478bd9Sstevel@tonic-gate * If SIGCLD is delivered between sigprocmask() below and poll(), 26357c478bd9Sstevel@tonic-gate * there is no way we can detect the SIGCLD because poll() won't 26367c478bd9Sstevel@tonic-gate * be interrupted. In such case, the dead children can't be wait'ed 26377c478bd9Sstevel@tonic-gate * until poll returns by timeout or a new job. To avoid this race 26387c478bd9Sstevel@tonic-gate * condition, child_handler write to the notifypipe, so that 26397c478bd9Sstevel@tonic-gate * poll() will be able to return with POLLIN which indicates that 26407c478bd9Sstevel@tonic-gate * we have received SIGCLD. 26417c478bd9Sstevel@tonic-gate * 26427c478bd9Sstevel@tonic-gate * Since the notifypipe is used to just let poll return from 26437c478bd9Sstevel@tonic-gate * system call, the data in the pipe won't be read. Therefore, 26447c478bd9Sstevel@tonic-gate * any data in the pipe needs to be flushed before opening signal 26457c478bd9Sstevel@tonic-gate * mask. 26467c478bd9Sstevel@tonic-gate * 26477c478bd9Sstevel@tonic-gate * Note that we can probably re-write this code with pselect() 26487c478bd9Sstevel@tonic-gate * which can handle this situation easily. 26497c478bd9Sstevel@tonic-gate */ 26507c478bd9Sstevel@tonic-gate (void) ioctl(notifypipe[0], I_FLUSH, FLUSHW); 26517c478bd9Sstevel@tonic-gate 26527c478bd9Sstevel@tonic-gate pfd[0].fd = msgfd; 26537c478bd9Sstevel@tonic-gate pfd[0].events = POLLIN; 26547c478bd9Sstevel@tonic-gate pfd[1].fd = notifypipe[1]; 26557c478bd9Sstevel@tonic-gate pfd[1].events = POLLIN; 26567c478bd9Sstevel@tonic-gate 26577c478bd9Sstevel@tonic-gate #ifdef CRON_MAXSLEEP 26587c478bd9Sstevel@tonic-gate /* 26597c478bd9Sstevel@tonic-gate * CRON_MAXSLEEP can be defined to have cron periodically wake 26607c478bd9Sstevel@tonic-gate * up, so that cron can detect a change of TOD and adjust the 26617c478bd9Sstevel@tonic-gate * sleep time accordingly. 26627c478bd9Sstevel@tonic-gate */ 26637c478bd9Sstevel@tonic-gate tim = (tim > CRON_MAXSLEEP) ? CRON_MAXSLEEP : tim; 26647c478bd9Sstevel@tonic-gate #endif 26657c478bd9Sstevel@tonic-gate tl = (tim == INFINITY) ? -1ll : (int64_t)tim * 1000; 26667c478bd9Sstevel@tonic-gate 26677c478bd9Sstevel@tonic-gate accept_sigcld = 1; 26687c478bd9Sstevel@tonic-gate (void) sigprocmask(SIG_UNBLOCK, &childmask, NULL); 26697c478bd9Sstevel@tonic-gate do { 26707c478bd9Sstevel@tonic-gate timeout = (tl > INT_MAX ? INT_MAX : (int)tl); 26717c478bd9Sstevel@tonic-gate tl -= timeout; 26727c478bd9Sstevel@tonic-gate cnt = poll(pfd, 2, timeout); 26737c478bd9Sstevel@tonic-gate if (cnt == -1 && errno != EINTR) { 26747c478bd9Sstevel@tonic-gate perror("! poll"); 26757c478bd9Sstevel@tonic-gate } 26767c478bd9Sstevel@tonic-gate } while (tl > 0 && cnt == 0); 26777c478bd9Sstevel@tonic-gate (void) sigprocmask(SIG_BLOCK, &childmask, NULL); 26787c478bd9Sstevel@tonic-gate accept_sigcld = 0; 26797c478bd9Sstevel@tonic-gate 26807c478bd9Sstevel@tonic-gate /* 26817c478bd9Sstevel@tonic-gate * poll timeout or interrupted. 26827c478bd9Sstevel@tonic-gate */ 26837c478bd9Sstevel@tonic-gate if (cnt <= 0) 26847c478bd9Sstevel@tonic-gate return (0); 26857c478bd9Sstevel@tonic-gate 26867c478bd9Sstevel@tonic-gate /* 26877c478bd9Sstevel@tonic-gate * Not the timeout or new job, but a SIGCLD has been delivered. 26887c478bd9Sstevel@tonic-gate */ 26897c478bd9Sstevel@tonic-gate if ((pfd[0].revents & POLLIN) == 0) 26907c478bd9Sstevel@tonic-gate return (0); 26917c478bd9Sstevel@tonic-gate 26927c478bd9Sstevel@tonic-gate errno = 0; 26937c478bd9Sstevel@tonic-gate if ((cnt = read(msgfd, &msg, sizeof (msg))) != sizeof (msg)) { 26947c478bd9Sstevel@tonic-gate if (cnt != -1 || errno != EAGAIN) 26957c478bd9Sstevel@tonic-gate perror("! read"); 26967c478bd9Sstevel@tonic-gate return (0); 26977c478bd9Sstevel@tonic-gate } 26987c478bd9Sstevel@tonic-gate reftime = time(NULL); 26997c478bd9Sstevel@tonic-gate if (next_event != NULL && reftime >= next_event->time) { 27007c478bd9Sstevel@tonic-gate /* 27017c478bd9Sstevel@tonic-gate * we need to run the job before reloading crontab. 27027c478bd9Sstevel@tonic-gate */ 27037c478bd9Sstevel@tonic-gate (void) memcpy(&msgbuf, &msg, sizeof (msg)); 27047c478bd9Sstevel@tonic-gate pending_msg = 1; 27057c478bd9Sstevel@tonic-gate pending_reftime = reftime; 27067c478bd9Sstevel@tonic-gate return (1); 27077c478bd9Sstevel@tonic-gate } 27087c478bd9Sstevel@tonic-gate process_msg(&msg, reftime); 27097c478bd9Sstevel@tonic-gate return (0); 27107c478bd9Sstevel@tonic-gate } 27117c478bd9Sstevel@tonic-gate 27127c478bd9Sstevel@tonic-gate /* 27137c478bd9Sstevel@tonic-gate * process the message supplied via pipe. This will be called either 27147c478bd9Sstevel@tonic-gate * immediately after cron read the message from pipe, or idle time 27157c478bd9Sstevel@tonic-gate * if the message was pending due to the job execution. 27167c478bd9Sstevel@tonic-gate */ 27177c478bd9Sstevel@tonic-gate static void 27187c478bd9Sstevel@tonic-gate process_msg(struct message *pmsg, time_t reftime) 27197c478bd9Sstevel@tonic-gate { 27207c478bd9Sstevel@tonic-gate if (pmsg->etype == NULL) 27217c478bd9Sstevel@tonic-gate return; 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate switch (pmsg->etype) { 27247c478bd9Sstevel@tonic-gate case AT: 27257c478bd9Sstevel@tonic-gate if (pmsg->action == DELETE) 27267c478bd9Sstevel@tonic-gate del_atjob(pmsg->fname, pmsg->logname); 27277c478bd9Sstevel@tonic-gate else 27287c478bd9Sstevel@tonic-gate mod_atjob(pmsg->fname, (time_t)0); 27297c478bd9Sstevel@tonic-gate break; 27307c478bd9Sstevel@tonic-gate case CRON: 27317c478bd9Sstevel@tonic-gate if (pmsg->action == DELETE) 27327c478bd9Sstevel@tonic-gate del_ctab(pmsg->fname); 27337c478bd9Sstevel@tonic-gate else 27347c478bd9Sstevel@tonic-gate mod_ctab(pmsg->fname, reftime); 27357c478bd9Sstevel@tonic-gate break; 27367c478bd9Sstevel@tonic-gate default: 27377c478bd9Sstevel@tonic-gate msg("message received - bad format"); 27387c478bd9Sstevel@tonic-gate break; 27397c478bd9Sstevel@tonic-gate } 27407c478bd9Sstevel@tonic-gate if (next_event != NULL) { 2741*e2553d68SSerge Dussud if (next_event->etype == CRONEVENT) { 2742*e2553d68SSerge Dussud switch (el_add(next_event, next_event->time, 2743*e2553d68SSerge Dussud (next_event->u)->ctid)) { 2744*e2553d68SSerge Dussud case -1: 2745*e2553d68SSerge Dussud ignore_msg("process_msg", "cron", next_event); 2746*e2553d68SSerge Dussud break; 2747*e2553d68SSerge Dussud case -2: /* event time lower than init time */ 2748*e2553d68SSerge Dussud reset_needed = 1; 2749*e2553d68SSerge Dussud break; 2750*e2553d68SSerge Dussud } 2751*e2553d68SSerge Dussud } else { /* etype == ATEVENT */ 2752*e2553d68SSerge Dussud if (el_add(next_event, next_event->time, 2753*e2553d68SSerge Dussud next_event->of.at.eventid) < 0) { 2754*e2553d68SSerge Dussud ignore_msg("process_msg", "at", next_event); 2755*e2553d68SSerge Dussud } 2756*e2553d68SSerge Dussud } 27577c478bd9Sstevel@tonic-gate next_event = NULL; 27587c478bd9Sstevel@tonic-gate } 27597c478bd9Sstevel@tonic-gate (void) fflush(stdout); 27607c478bd9Sstevel@tonic-gate pmsg->etype = NULL; 27617c478bd9Sstevel@tonic-gate } 27627c478bd9Sstevel@tonic-gate 27639f163834Sbasabi /* 27649f163834Sbasabi * Allocate a new or find an existing runinfo structure 27659f163834Sbasabi */ 27667c478bd9Sstevel@tonic-gate static struct runinfo * 27677c478bd9Sstevel@tonic-gate rinfo_get(pid_t pid) 27687c478bd9Sstevel@tonic-gate { 27697c478bd9Sstevel@tonic-gate struct runinfo *rp; 27707c478bd9Sstevel@tonic-gate 27719f163834Sbasabi if (pid == 0) { /* allocate a new entry */ 27729f163834Sbasabi rp = xcalloc(1, sizeof (struct runinfo)); 27739f163834Sbasabi rp->next = rthead; /* link the entry into the list */ 27749f163834Sbasabi rthead = rp; 27759f163834Sbasabi return (rp); 27769f163834Sbasabi } 27779f163834Sbasabi /* search the list for an existing entry */ 27789f163834Sbasabi for (rp = rthead; rp != NULL; rp = rp->next) { 27797c478bd9Sstevel@tonic-gate if (rp->pid == pid) 27807c478bd9Sstevel@tonic-gate break; 27817c478bd9Sstevel@tonic-gate } 27829f163834Sbasabi return (rp); 27837c478bd9Sstevel@tonic-gate } 27847c478bd9Sstevel@tonic-gate 27857c478bd9Sstevel@tonic-gate /* 27869f163834Sbasabi * Free a runinfo structure and its associated memory 27877c478bd9Sstevel@tonic-gate */ 27887c478bd9Sstevel@tonic-gate static void 27899f163834Sbasabi rinfo_free(struct runinfo *entry) 27907c478bd9Sstevel@tonic-gate { 27919f163834Sbasabi struct runinfo **rpp; 27929f163834Sbasabi struct runinfo *rp; 27939f163834Sbasabi 27949f163834Sbasabi #ifdef DEBUG 27959f163834Sbasabi (void) fprintf(stderr, "freeing job %s\n", entry->jobname); 27969f163834Sbasabi #endif 27979f163834Sbasabi for (rpp = &rthead; (rp = *rpp) != NULL; rpp = &rp->next) { 27989f163834Sbasabi if (rp == entry) { 27999f163834Sbasabi *rpp = rp->next; /* unlink the entry */ 28009f163834Sbasabi free(rp->outfile); 28019f163834Sbasabi free(rp->jobname); 28029f163834Sbasabi free(rp); 28039f163834Sbasabi break; 28049f163834Sbasabi } 28059f163834Sbasabi } 28067c478bd9Sstevel@tonic-gate } 28077c478bd9Sstevel@tonic-gate 28087c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28097c478bd9Sstevel@tonic-gate static void 28107c478bd9Sstevel@tonic-gate thaw_handler(int sig) 28117c478bd9Sstevel@tonic-gate { 28127c478bd9Sstevel@tonic-gate ; 28137c478bd9Sstevel@tonic-gate } 28147c478bd9Sstevel@tonic-gate 28157c478bd9Sstevel@tonic-gate 28167c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28177c478bd9Sstevel@tonic-gate static void 28187c478bd9Sstevel@tonic-gate cronend(int sig) 28197c478bd9Sstevel@tonic-gate { 28207c478bd9Sstevel@tonic-gate crabort("SIGTERM", REMOVE_FIFO); 28217c478bd9Sstevel@tonic-gate } 28227c478bd9Sstevel@tonic-gate 28237c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 28247c478bd9Sstevel@tonic-gate static void 28257c478bd9Sstevel@tonic-gate child_handler(int sig) 28267c478bd9Sstevel@tonic-gate { 28277c478bd9Sstevel@tonic-gate /* 28287c478bd9Sstevel@tonic-gate * Just in case someone changes the signal mask. 28297c478bd9Sstevel@tonic-gate * we don't want to notify the SIGCLD. 28307c478bd9Sstevel@tonic-gate */ 28317c478bd9Sstevel@tonic-gate if (accept_sigcld) { 28327c478bd9Sstevel@tonic-gate (void) write(notifypipe[0], &sig, 1); 28337c478bd9Sstevel@tonic-gate } 28347c478bd9Sstevel@tonic-gate } 28357c478bd9Sstevel@tonic-gate 28367c478bd9Sstevel@tonic-gate static void 28377c478bd9Sstevel@tonic-gate child_sigreset(void) 28387c478bd9Sstevel@tonic-gate { 28397c478bd9Sstevel@tonic-gate (void) signal(SIGCLD, SIG_DFL); 28407c478bd9Sstevel@tonic-gate (void) sigprocmask(SIG_SETMASK, &defmask, NULL); 28417c478bd9Sstevel@tonic-gate } 28427c478bd9Sstevel@tonic-gate 28437c478bd9Sstevel@tonic-gate /* 28447c478bd9Sstevel@tonic-gate * crabort() - handle exits out of cron 28457c478bd9Sstevel@tonic-gate */ 28467c478bd9Sstevel@tonic-gate static void 28477c478bd9Sstevel@tonic-gate crabort(char *mssg, int action) 28487c478bd9Sstevel@tonic-gate { 28497c478bd9Sstevel@tonic-gate int c; 28507c478bd9Sstevel@tonic-gate 28517c478bd9Sstevel@tonic-gate if (action & REMOVE_FIFO) { 28527c478bd9Sstevel@tonic-gate /* FIFO vanishes when cron finishes */ 28537c478bd9Sstevel@tonic-gate if (unlink(FIFO) < 0) 28547c478bd9Sstevel@tonic-gate perror("cron could not unlink FIFO"); 28557c478bd9Sstevel@tonic-gate } 28567c478bd9Sstevel@tonic-gate 28577c478bd9Sstevel@tonic-gate if (action & CONSOLE_MSG) { 28587c478bd9Sstevel@tonic-gate /* write error msg to console */ 28597c478bd9Sstevel@tonic-gate if ((c = open(CONSOLE, O_WRONLY)) >= 0) { 28607c478bd9Sstevel@tonic-gate (void) write(c, "cron aborted: ", 14); 28617c478bd9Sstevel@tonic-gate (void) write(c, mssg, strlen(mssg)); 28627c478bd9Sstevel@tonic-gate (void) write(c, "\n", 1); 28637c478bd9Sstevel@tonic-gate (void) close(c); 28647c478bd9Sstevel@tonic-gate } 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate 28677c478bd9Sstevel@tonic-gate /* always log the message */ 28687c478bd9Sstevel@tonic-gate msg(mssg); 28697c478bd9Sstevel@tonic-gate msg("******* CRON ABORTED ********"); 28707c478bd9Sstevel@tonic-gate exit(1); 28717c478bd9Sstevel@tonic-gate } 28727c478bd9Sstevel@tonic-gate 28737c478bd9Sstevel@tonic-gate /* 28747c478bd9Sstevel@tonic-gate * msg() - time-stamped error reporting function 28757c478bd9Sstevel@tonic-gate */ 28767c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 28777c478bd9Sstevel@tonic-gate static void 28787c478bd9Sstevel@tonic-gate msg(char *fmt, ...) 28797c478bd9Sstevel@tonic-gate { 28807c478bd9Sstevel@tonic-gate va_list args; 28817c478bd9Sstevel@tonic-gate time_t t; 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate t = time(NULL); 28847c478bd9Sstevel@tonic-gate 28857c478bd9Sstevel@tonic-gate (void) fflush(stdout); 28867c478bd9Sstevel@tonic-gate 28877c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "! "); 28887c478bd9Sstevel@tonic-gate 28897c478bd9Sstevel@tonic-gate va_start(args, fmt); 28907c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, fmt, args); 28917c478bd9Sstevel@tonic-gate va_end(args); 28927c478bd9Sstevel@tonic-gate 28937c478bd9Sstevel@tonic-gate (void) strftime(timebuf, sizeof (timebuf), FORMAT, localtime(&t)); 28947c478bd9Sstevel@tonic-gate (void) fprintf(stderr, " %s\n", timebuf); 28957c478bd9Sstevel@tonic-gate 28967c478bd9Sstevel@tonic-gate (void) fflush(stderr); 28977c478bd9Sstevel@tonic-gate } 28987c478bd9Sstevel@tonic-gate 2899*e2553d68SSerge Dussud static void 2900*e2553d68SSerge Dussud ignore_msg(char *func_name, char *job_type, struct event *event) 2901*e2553d68SSerge Dussud { 2902*e2553d68SSerge Dussud msg("%s: ignoring %s job (user: %s, cmd: %s, time: %ld)", 2903*e2553d68SSerge Dussud func_name, job_type, 2904*e2553d68SSerge Dussud event->u->name ? event->u->name : "unknown", 2905*e2553d68SSerge Dussud event->cmd ? event->cmd : "unknown", 2906*e2553d68SSerge Dussud event->time); 2907*e2553d68SSerge Dussud } 2908*e2553d68SSerge Dussud 29097c478bd9Sstevel@tonic-gate static void 29107c478bd9Sstevel@tonic-gate logit(int cc, struct runinfo *rp, int rc) 29117c478bd9Sstevel@tonic-gate { 29127c478bd9Sstevel@tonic-gate time_t t; 29137c478bd9Sstevel@tonic-gate int ret; 29147c478bd9Sstevel@tonic-gate 29157c478bd9Sstevel@tonic-gate if (!log) 29167c478bd9Sstevel@tonic-gate return; 29177c478bd9Sstevel@tonic-gate 29187c478bd9Sstevel@tonic-gate t = time(NULL); 29197c478bd9Sstevel@tonic-gate if (cc == BCHAR) 29207c478bd9Sstevel@tonic-gate (void) printf("%c CMD: %s\n", cc, next_event->cmd); 29217c478bd9Sstevel@tonic-gate (void) strftime(timebuf, sizeof (timebuf), FORMAT, localtime(&t)); 29227c478bd9Sstevel@tonic-gate (void) printf("%c %.8s %u %c %s", 29234c4c9110Sbasabi cc, (rp->rusr)->name, rp->pid, QUE(rp->que), timebuf); 29247c478bd9Sstevel@tonic-gate if ((ret = TSTAT(rc)) != 0) 29257c478bd9Sstevel@tonic-gate (void) printf(" ts=%d", ret); 29267c478bd9Sstevel@tonic-gate if ((ret = RCODE(rc)) != 0) 29277c478bd9Sstevel@tonic-gate (void) printf(" rc=%d", ret); 29287c478bd9Sstevel@tonic-gate (void) putchar('\n'); 29297c478bd9Sstevel@tonic-gate (void) fflush(stdout); 29307c478bd9Sstevel@tonic-gate } 29317c478bd9Sstevel@tonic-gate 29327c478bd9Sstevel@tonic-gate static void 29337c478bd9Sstevel@tonic-gate resched(int delay) 29347c478bd9Sstevel@tonic-gate { 29357c478bd9Sstevel@tonic-gate time_t nt; 29367c478bd9Sstevel@tonic-gate 29377c478bd9Sstevel@tonic-gate /* run job at a later time */ 29387c478bd9Sstevel@tonic-gate nt = next_event->time + delay; 29397c478bd9Sstevel@tonic-gate if (next_event->etype == CRONEVENT) { 29407c478bd9Sstevel@tonic-gate next_event->time = next_time(next_event, (time_t)0); 29417c478bd9Sstevel@tonic-gate if (nt < next_event->time) 29427c478bd9Sstevel@tonic-gate next_event->time = nt; 2943*e2553d68SSerge Dussud switch (el_add(next_event, next_event->time, 2944*e2553d68SSerge Dussud (next_event->u)->ctid)) { 2945*e2553d68SSerge Dussud case -1: 2946*e2553d68SSerge Dussud ignore_msg("resched", "cron", next_event); 2947*e2553d68SSerge Dussud break; 2948*e2553d68SSerge Dussud case -2: /* event time lower than init time */ 2949*e2553d68SSerge Dussud reset_needed = 1; 2950*e2553d68SSerge Dussud break; 2951*e2553d68SSerge Dussud } 29527c478bd9Sstevel@tonic-gate delayed = 1; 29537c478bd9Sstevel@tonic-gate msg("rescheduling a cron job"); 29547c478bd9Sstevel@tonic-gate return; 29557c478bd9Sstevel@tonic-gate } 29567c478bd9Sstevel@tonic-gate add_atevent(next_event->u, next_event->cmd, nt, next_event->etype); 29577c478bd9Sstevel@tonic-gate msg("rescheduling at job"); 29587c478bd9Sstevel@tonic-gate } 29597c478bd9Sstevel@tonic-gate 29607c478bd9Sstevel@tonic-gate static void 29617c478bd9Sstevel@tonic-gate quedefs(int action) 29627c478bd9Sstevel@tonic-gate { 29637c478bd9Sstevel@tonic-gate int i; 29647c478bd9Sstevel@tonic-gate int j; 29657c478bd9Sstevel@tonic-gate char qbuf[QBUFSIZ]; 29667c478bd9Sstevel@tonic-gate FILE *fd; 29677c478bd9Sstevel@tonic-gate 29687c478bd9Sstevel@tonic-gate /* set up default queue definitions */ 29697c478bd9Sstevel@tonic-gate for (i = 0; i < NQUEUE; i++) { 29707c478bd9Sstevel@tonic-gate qt[i].njob = qd.njob; 29717c478bd9Sstevel@tonic-gate qt[i].nice = qd.nice; 29727c478bd9Sstevel@tonic-gate qt[i].nwait = qd.nwait; 29737c478bd9Sstevel@tonic-gate } 29747c478bd9Sstevel@tonic-gate if (action == DEFAULT) 29757c478bd9Sstevel@tonic-gate return; 29767c478bd9Sstevel@tonic-gate if ((fd = fopen(QUEDEFS, "r")) == NULL) { 29777c478bd9Sstevel@tonic-gate msg("cannot open quedefs file"); 29787c478bd9Sstevel@tonic-gate msg("using default queue definitions"); 29797c478bd9Sstevel@tonic-gate return; 29807c478bd9Sstevel@tonic-gate } 29817c478bd9Sstevel@tonic-gate while (fgets(qbuf, QBUFSIZ, fd) != NULL) { 29827c478bd9Sstevel@tonic-gate if ((j = qbuf[0]-'a') < 0 || j >= NQUEUE || qbuf[1] != '.') 29837c478bd9Sstevel@tonic-gate continue; 29847c478bd9Sstevel@tonic-gate parsqdef(&qbuf[2]); 29857c478bd9Sstevel@tonic-gate qt[j].njob = qq.njob; 29867c478bd9Sstevel@tonic-gate qt[j].nice = qq.nice; 29877c478bd9Sstevel@tonic-gate qt[j].nwait = qq.nwait; 29887c478bd9Sstevel@tonic-gate } 29897c478bd9Sstevel@tonic-gate (void) fclose(fd); 29907c478bd9Sstevel@tonic-gate } 29917c478bd9Sstevel@tonic-gate 29927c478bd9Sstevel@tonic-gate static void 29937c478bd9Sstevel@tonic-gate parsqdef(char *name) 29947c478bd9Sstevel@tonic-gate { 29957c478bd9Sstevel@tonic-gate int i; 29967c478bd9Sstevel@tonic-gate 29977c478bd9Sstevel@tonic-gate qq = qd; 29987c478bd9Sstevel@tonic-gate while (*name) { 29997c478bd9Sstevel@tonic-gate i = 0; 30007c478bd9Sstevel@tonic-gate while (isdigit(*name)) { 30017c478bd9Sstevel@tonic-gate i *= 10; 30027c478bd9Sstevel@tonic-gate i += *name++ - '0'; 30037c478bd9Sstevel@tonic-gate } 30047c478bd9Sstevel@tonic-gate switch (*name++) { 30057c478bd9Sstevel@tonic-gate case JOBF: 30067c478bd9Sstevel@tonic-gate qq.njob = i; 30077c478bd9Sstevel@tonic-gate break; 30087c478bd9Sstevel@tonic-gate case NICEF: 30097c478bd9Sstevel@tonic-gate qq.nice = i; 30107c478bd9Sstevel@tonic-gate break; 30117c478bd9Sstevel@tonic-gate case WAITF: 30127c478bd9Sstevel@tonic-gate qq.nwait = i; 30137c478bd9Sstevel@tonic-gate break; 30147c478bd9Sstevel@tonic-gate } 30157c478bd9Sstevel@tonic-gate } 30167c478bd9Sstevel@tonic-gate } 30177c478bd9Sstevel@tonic-gate 30187c478bd9Sstevel@tonic-gate /* 30197c478bd9Sstevel@tonic-gate * defaults - read defaults from /etc/default/cron 30207c478bd9Sstevel@tonic-gate */ 30217c478bd9Sstevel@tonic-gate static void 30227c478bd9Sstevel@tonic-gate defaults() 30237c478bd9Sstevel@tonic-gate { 30247c478bd9Sstevel@tonic-gate int flags; 30257c478bd9Sstevel@tonic-gate char *deflog; 30267c478bd9Sstevel@tonic-gate char *hz, *tz; 30277c478bd9Sstevel@tonic-gate 30287c478bd9Sstevel@tonic-gate /* 30297c478bd9Sstevel@tonic-gate * get HZ value for environment 30307c478bd9Sstevel@tonic-gate */ 30317c478bd9Sstevel@tonic-gate if ((hz = getenv("HZ")) == (char *)NULL) 30327c478bd9Sstevel@tonic-gate (void) sprintf(hzname, "HZ=%d", HZ); 30337c478bd9Sstevel@tonic-gate else 30347c478bd9Sstevel@tonic-gate (void) snprintf(hzname, sizeof (hzname), "HZ=%s", hz); 30357c478bd9Sstevel@tonic-gate /* 30367c478bd9Sstevel@tonic-gate * get TZ value for environment 30377c478bd9Sstevel@tonic-gate */ 30387c478bd9Sstevel@tonic-gate (void) snprintf(tzone, sizeof (tzone), "TZ=%s", 30394c4c9110Sbasabi ((tz = getenv("TZ")) != NULL) ? tz : DEFTZ); 30407c478bd9Sstevel@tonic-gate 30417c478bd9Sstevel@tonic-gate if (defopen(DEFFILE) == 0) { 30427c478bd9Sstevel@tonic-gate /* ignore case */ 30437c478bd9Sstevel@tonic-gate flags = defcntl(DC_GETFLAGS, 0); 30447c478bd9Sstevel@tonic-gate TURNOFF(flags, DC_CASE); 30457c478bd9Sstevel@tonic-gate (void) defcntl(DC_SETFLAGS, flags); 30467c478bd9Sstevel@tonic-gate 30477c478bd9Sstevel@tonic-gate if (((deflog = defread("CRONLOG=")) == NULL) || 30487c478bd9Sstevel@tonic-gate (*deflog == 'N') || (*deflog == 'n')) 30497c478bd9Sstevel@tonic-gate log = 0; 30507c478bd9Sstevel@tonic-gate else 30517c478bd9Sstevel@tonic-gate log = 1; 30527c478bd9Sstevel@tonic-gate /* fix for 1087611 - allow paths to be set in defaults file */ 30537c478bd9Sstevel@tonic-gate if ((Def_path = defread("PATH=")) != NULL) { 30547c478bd9Sstevel@tonic-gate (void) strlcat(path, Def_path, LINE_MAX); 30557c478bd9Sstevel@tonic-gate } else { 30567c478bd9Sstevel@tonic-gate (void) strlcpy(path, NONROOTPATH, LINE_MAX); 30577c478bd9Sstevel@tonic-gate } 30587c478bd9Sstevel@tonic-gate if ((Def_supath = defread("SUPATH=")) != NULL) { 30597c478bd9Sstevel@tonic-gate (void) strlcat(supath, Def_supath, LINE_MAX); 30607c478bd9Sstevel@tonic-gate } else { 30617c478bd9Sstevel@tonic-gate (void) strlcpy(supath, ROOTPATH, LINE_MAX); 30627c478bd9Sstevel@tonic-gate } 30637c478bd9Sstevel@tonic-gate (void) defopen(NULL); 30647c478bd9Sstevel@tonic-gate } 30657c478bd9Sstevel@tonic-gate } 30667c478bd9Sstevel@tonic-gate 30677c478bd9Sstevel@tonic-gate /* 30687c478bd9Sstevel@tonic-gate * Determine if a user entry for a job is still ok. The method used here 30697c478bd9Sstevel@tonic-gate * is a lot (about 75x) faster than using setgrent() / getgrent() 30707c478bd9Sstevel@tonic-gate * endgrent(). It should be safe because we use the sysconf to determine 30717c478bd9Sstevel@tonic-gate * the max, and it tolerates the max being 0. 30727c478bd9Sstevel@tonic-gate */ 30737c478bd9Sstevel@tonic-gate 30747c478bd9Sstevel@tonic-gate static int 30754c4c9110Sbasabi verify_user_cred(struct usr *u) 30767c478bd9Sstevel@tonic-gate { 30777c478bd9Sstevel@tonic-gate struct passwd *pw; 30787c478bd9Sstevel@tonic-gate size_t numUsrGrps = 0; 30797c478bd9Sstevel@tonic-gate size_t numOrigGrps = 0; 30807c478bd9Sstevel@tonic-gate size_t i; 30817c478bd9Sstevel@tonic-gate int retval; 30827c478bd9Sstevel@tonic-gate 30837c478bd9Sstevel@tonic-gate /* 30847c478bd9Sstevel@tonic-gate * Maximum number of groups a user may be in concurrently. This 30857c478bd9Sstevel@tonic-gate * is a value which we obtain at runtime through a sysconf() 30867c478bd9Sstevel@tonic-gate * call. 30877c478bd9Sstevel@tonic-gate */ 30887c478bd9Sstevel@tonic-gate 30897c478bd9Sstevel@tonic-gate static size_t nGroupsMax = (size_t)-1; 30907c478bd9Sstevel@tonic-gate 30917c478bd9Sstevel@tonic-gate /* 30927c478bd9Sstevel@tonic-gate * Arrays for cron user's group list, constructed at startup to 30937c478bd9Sstevel@tonic-gate * be nGroupsMax elements long, used for verifying user 30947c478bd9Sstevel@tonic-gate * credentials prior to execution. 30957c478bd9Sstevel@tonic-gate */ 30967c478bd9Sstevel@tonic-gate 30977c478bd9Sstevel@tonic-gate static gid_t *UsrGrps; 30987c478bd9Sstevel@tonic-gate static gid_t *OrigGrps; 30997c478bd9Sstevel@tonic-gate 31004c4c9110Sbasabi if ((pw = getpwnam(u->name)) == NULL) 31017c478bd9Sstevel@tonic-gate return (VUC_BADUSER); 31024c4c9110Sbasabi if (u->home != NULL) { 31034c4c9110Sbasabi if (strcmp(u->home, pw->pw_dir) != 0) { 31044c4c9110Sbasabi free(u->home); 31054c4c9110Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 31064c4c9110Sbasabi (void) strcpy(u->home, pw->pw_dir); 31074c4c9110Sbasabi } 31084c4c9110Sbasabi } else { 31094c4c9110Sbasabi u->home = xmalloc(strlen(pw->pw_dir) + 1); 31104c4c9110Sbasabi (void) strcpy(u->home, pw->pw_dir); 31117c478bd9Sstevel@tonic-gate } 31124c4c9110Sbasabi if (u->uid != pw->pw_uid) 31134c4c9110Sbasabi u->uid = pw->pw_uid; 31144c4c9110Sbasabi if (u->gid != pw->pw_gid) 31154c4c9110Sbasabi u->gid = pw->pw_gid; 31167c478bd9Sstevel@tonic-gate 31177c478bd9Sstevel@tonic-gate /* 31187c478bd9Sstevel@tonic-gate * Create the group id lists needed for job credential 31197c478bd9Sstevel@tonic-gate * verification. 31207c478bd9Sstevel@tonic-gate */ 31217c478bd9Sstevel@tonic-gate 31227c478bd9Sstevel@tonic-gate if (nGroupsMax == (size_t)-1) { 31237c478bd9Sstevel@tonic-gate if ((nGroupsMax = sysconf(_SC_NGROUPS_MAX)) > 0) { 31247c478bd9Sstevel@tonic-gate UsrGrps = xcalloc(nGroupsMax, sizeof (gid_t)); 31257c478bd9Sstevel@tonic-gate OrigGrps = xcalloc(nGroupsMax, sizeof (gid_t)); 31267c478bd9Sstevel@tonic-gate } 31277c478bd9Sstevel@tonic-gate 31287c478bd9Sstevel@tonic-gate #ifdef DEBUG 31297c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "nGroupsMax = %ld\n", nGroupsMax); 31307c478bd9Sstevel@tonic-gate #endif 31317c478bd9Sstevel@tonic-gate } 31327c478bd9Sstevel@tonic-gate 31337c478bd9Sstevel@tonic-gate #ifdef DEBUG 31347c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "verify_user_cred (%s-%d)\n", pw->pw_name, 31357c478bd9Sstevel@tonic-gate pw->pw_uid); 31367c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "verify_user_cred: pw->pw_gid = %d, " 31377c478bd9Sstevel@tonic-gate "u->gid = %d\n", pw->pw_gid, u->gid); 31387c478bd9Sstevel@tonic-gate #endif 31397c478bd9Sstevel@tonic-gate 31407c478bd9Sstevel@tonic-gate retval = (u->gid == pw->pw_gid) ? VUC_OK : VUC_NOTINGROUP; 31417c478bd9Sstevel@tonic-gate 31427c478bd9Sstevel@tonic-gate if (nGroupsMax > 0) { 31437c478bd9Sstevel@tonic-gate numOrigGrps = getgroups(nGroupsMax, OrigGrps); 31447c478bd9Sstevel@tonic-gate 31457c478bd9Sstevel@tonic-gate (void) initgroups(pw->pw_name, pw->pw_gid); 31467c478bd9Sstevel@tonic-gate numUsrGrps = getgroups(nGroupsMax, UsrGrps); 31477c478bd9Sstevel@tonic-gate 31487c478bd9Sstevel@tonic-gate for (i = 0; i < numUsrGrps; i++) { 31497c478bd9Sstevel@tonic-gate if (UsrGrps[i] == u->gid) { 31507c478bd9Sstevel@tonic-gate retval = VUC_OK; 31517c478bd9Sstevel@tonic-gate break; 31527c478bd9Sstevel@tonic-gate } 31537c478bd9Sstevel@tonic-gate } 31547c478bd9Sstevel@tonic-gate 31557c478bd9Sstevel@tonic-gate if (OrigGrps) { 31567c478bd9Sstevel@tonic-gate (void) setgroups(numOrigGrps, OrigGrps); 31577c478bd9Sstevel@tonic-gate } 31587c478bd9Sstevel@tonic-gate } 31597c478bd9Sstevel@tonic-gate 31607c478bd9Sstevel@tonic-gate #ifdef DEBUG 31617c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "verify_user_cred: VUC = %d\n", retval); 31627c478bd9Sstevel@tonic-gate #endif 31637c478bd9Sstevel@tonic-gate 31647c478bd9Sstevel@tonic-gate return (retval); 31657c478bd9Sstevel@tonic-gate } 31667c478bd9Sstevel@tonic-gate 31677c478bd9Sstevel@tonic-gate static int 31687c478bd9Sstevel@tonic-gate set_user_cred(const struct usr *u, struct project *pproj) 31697c478bd9Sstevel@tonic-gate { 31707c478bd9Sstevel@tonic-gate static char *progname = "cron"; 31717c478bd9Sstevel@tonic-gate int r = 0, rval = 0; 31727c478bd9Sstevel@tonic-gate 31737c478bd9Sstevel@tonic-gate if ((r = pam_start(progname, u->name, &pam_conv, &pamh)) 31744c4c9110Sbasabi != PAM_SUCCESS) { 31757c478bd9Sstevel@tonic-gate #ifdef DEBUG 31767c478bd9Sstevel@tonic-gate msg("pam_start returns %d\n", r); 31777c478bd9Sstevel@tonic-gate #endif 31787c478bd9Sstevel@tonic-gate rval = VUC_BADUSER; 31797c478bd9Sstevel@tonic-gate goto set_eser_cred_exit; 31807c478bd9Sstevel@tonic-gate } 31817c478bd9Sstevel@tonic-gate 31827c478bd9Sstevel@tonic-gate r = pam_acct_mgmt(pamh, 0); 31837c478bd9Sstevel@tonic-gate #ifdef DEBUG 31847c478bd9Sstevel@tonic-gate msg("pam_acc_mgmt returns %d\n", r); 31857c478bd9Sstevel@tonic-gate #endif 31867c478bd9Sstevel@tonic-gate if (r == PAM_ACCT_EXPIRED) { 31877c478bd9Sstevel@tonic-gate rval = VUC_EXPIRED; 31887c478bd9Sstevel@tonic-gate goto set_eser_cred_exit; 31897c478bd9Sstevel@tonic-gate } 31907c478bd9Sstevel@tonic-gate if (r == PAM_NEW_AUTHTOK_REQD) { 31917c478bd9Sstevel@tonic-gate rval = VUC_NEW_AUTH; 31927c478bd9Sstevel@tonic-gate goto set_eser_cred_exit; 31937c478bd9Sstevel@tonic-gate } 31947c478bd9Sstevel@tonic-gate if (r != PAM_SUCCESS) { 31957c478bd9Sstevel@tonic-gate rval = VUC_BADUSER; 31967c478bd9Sstevel@tonic-gate goto set_eser_cred_exit; 31977c478bd9Sstevel@tonic-gate } 31987c478bd9Sstevel@tonic-gate 31997c478bd9Sstevel@tonic-gate if (pproj != NULL) { 32007c478bd9Sstevel@tonic-gate size_t sz = sizeof (PROJECT) + strlen(pproj->pj_name); 32017c478bd9Sstevel@tonic-gate char *buf = alloca(sz); 32027c478bd9Sstevel@tonic-gate 32037c478bd9Sstevel@tonic-gate (void) snprintf(buf, sz, PROJECT "%s", pproj->pj_name); 32047c478bd9Sstevel@tonic-gate (void) pam_set_item(pamh, PAM_RESOURCE, buf); 32057c478bd9Sstevel@tonic-gate } 32067c478bd9Sstevel@tonic-gate 32077c478bd9Sstevel@tonic-gate r = pam_setcred(pamh, PAM_ESTABLISH_CRED); 32087c478bd9Sstevel@tonic-gate if (r != PAM_SUCCESS) 32097c478bd9Sstevel@tonic-gate rval = VUC_BADUSER; 32107c478bd9Sstevel@tonic-gate 32117c478bd9Sstevel@tonic-gate set_eser_cred_exit: 32127c478bd9Sstevel@tonic-gate (void) pam_end(pamh, r); 32137c478bd9Sstevel@tonic-gate return (rval); 32147c478bd9Sstevel@tonic-gate } 32157c478bd9Sstevel@tonic-gate 32167c478bd9Sstevel@tonic-gate static void 32177c478bd9Sstevel@tonic-gate clean_out_user(struct usr *u) 32187c478bd9Sstevel@tonic-gate { 32197c478bd9Sstevel@tonic-gate if (next_event->u == u) { 32207c478bd9Sstevel@tonic-gate next_event = NULL; 32217c478bd9Sstevel@tonic-gate } 32227c478bd9Sstevel@tonic-gate 32237c478bd9Sstevel@tonic-gate clean_out_ctab(u); 32247c478bd9Sstevel@tonic-gate clean_out_atjobs(u); 32257c478bd9Sstevel@tonic-gate free_if_unused(u); 32267c478bd9Sstevel@tonic-gate } 32277c478bd9Sstevel@tonic-gate 32287c478bd9Sstevel@tonic-gate static void 32297c478bd9Sstevel@tonic-gate clean_out_atjobs(struct usr *u) 32307c478bd9Sstevel@tonic-gate { 32317c478bd9Sstevel@tonic-gate struct event *ev, *pv; 32327c478bd9Sstevel@tonic-gate 32337c478bd9Sstevel@tonic-gate for (pv = NULL, ev = u->atevents; 32344c4c9110Sbasabi ev != NULL; 32354c4c9110Sbasabi pv = ev, ev = ev->link, free(pv)) { 32367c478bd9Sstevel@tonic-gate el_remove(ev->of.at.eventid, 1); 32377c478bd9Sstevel@tonic-gate if (cwd == AT) 32387c478bd9Sstevel@tonic-gate cron_unlink(ev->cmd); 32397c478bd9Sstevel@tonic-gate else { 32407c478bd9Sstevel@tonic-gate char buf[PATH_MAX]; 32417c478bd9Sstevel@tonic-gate if (strlen(ATDIR) + strlen(ev->cmd) + 2 32424c4c9110Sbasabi < PATH_MAX) { 32437c478bd9Sstevel@tonic-gate (void) sprintf(buf, "%s/%s", ATDIR, ev->cmd); 32447c478bd9Sstevel@tonic-gate cron_unlink(buf); 32457c478bd9Sstevel@tonic-gate } 32467c478bd9Sstevel@tonic-gate } 32477c478bd9Sstevel@tonic-gate free(ev->cmd); 32487c478bd9Sstevel@tonic-gate } 32497c478bd9Sstevel@tonic-gate 32507c478bd9Sstevel@tonic-gate u->atevents = NULL; 32517c478bd9Sstevel@tonic-gate } 32527c478bd9Sstevel@tonic-gate 32537c478bd9Sstevel@tonic-gate static void 32547c478bd9Sstevel@tonic-gate clean_out_ctab(struct usr *u) 32557c478bd9Sstevel@tonic-gate { 32567c478bd9Sstevel@tonic-gate rm_ctevents(u); 32577c478bd9Sstevel@tonic-gate el_remove(u->ctid, 0); 32587c478bd9Sstevel@tonic-gate u->ctid = 0; 32597c478bd9Sstevel@tonic-gate u->ctexists = 0; 32607c478bd9Sstevel@tonic-gate } 32617c478bd9Sstevel@tonic-gate 32627c478bd9Sstevel@tonic-gate static void 32637c478bd9Sstevel@tonic-gate cron_unlink(char *name) 32647c478bd9Sstevel@tonic-gate { 32657c478bd9Sstevel@tonic-gate int r; 32667c478bd9Sstevel@tonic-gate 32677c478bd9Sstevel@tonic-gate r = unlink(name); 32687c478bd9Sstevel@tonic-gate if (r == 0 || (r == -1 && errno == ENOENT)) { 32697c478bd9Sstevel@tonic-gate (void) audit_cron_delete_anc_file(name, NULL); 32707c478bd9Sstevel@tonic-gate } 32717c478bd9Sstevel@tonic-gate } 32727c478bd9Sstevel@tonic-gate 32737c478bd9Sstevel@tonic-gate static void 32747c478bd9Sstevel@tonic-gate create_anc_ctab(struct event *e) 32757c478bd9Sstevel@tonic-gate { 32767c478bd9Sstevel@tonic-gate if (audit_cron_create_anc_file(e->u->name, 32774c4c9110Sbasabi (cwd == CRON) ? NULL:CRONDIR, 32784c4c9110Sbasabi e->u->name, e->u->uid) == -1) { 32797c478bd9Sstevel@tonic-gate process_anc_files(CRON_ANC_DELETE); 32807c478bd9Sstevel@tonic-gate crabort("cannot create ancillary files for crontabs", 32814c4c9110Sbasabi REMOVE_FIFO|CONSOLE_MSG); 32827c478bd9Sstevel@tonic-gate } 32837c478bd9Sstevel@tonic-gate } 32847c478bd9Sstevel@tonic-gate 32857c478bd9Sstevel@tonic-gate static void 32867c478bd9Sstevel@tonic-gate delete_anc_ctab(struct event *e) 32877c478bd9Sstevel@tonic-gate { 32887c478bd9Sstevel@tonic-gate (void) audit_cron_delete_anc_file(e->u->name, 32894c4c9110Sbasabi (cwd == CRON) ? NULL:CRONDIR); 32907c478bd9Sstevel@tonic-gate } 32917c478bd9Sstevel@tonic-gate 32927c478bd9Sstevel@tonic-gate static void 32937c478bd9Sstevel@tonic-gate create_anc_atjob(struct event *e) 32947c478bd9Sstevel@tonic-gate { 32957c478bd9Sstevel@tonic-gate if (!e->of.at.exists) 32967c478bd9Sstevel@tonic-gate return; 32977c478bd9Sstevel@tonic-gate 32987c478bd9Sstevel@tonic-gate if (audit_cron_create_anc_file(e->cmd, 32994c4c9110Sbasabi (cwd == AT) ? NULL:ATDIR, 33004c4c9110Sbasabi e->u->name, e->u->uid) == -1) { 33017c478bd9Sstevel@tonic-gate process_anc_files(CRON_ANC_DELETE); 33027c478bd9Sstevel@tonic-gate crabort("cannot create ancillary files for atjobs", 33034c4c9110Sbasabi REMOVE_FIFO|CONSOLE_MSG); 33047c478bd9Sstevel@tonic-gate } 33057c478bd9Sstevel@tonic-gate } 33067c478bd9Sstevel@tonic-gate 33077c478bd9Sstevel@tonic-gate static void 33087c478bd9Sstevel@tonic-gate delete_anc_atjob(struct event *e) 33097c478bd9Sstevel@tonic-gate { 33107c478bd9Sstevel@tonic-gate if (!e->of.at.exists) 33117c478bd9Sstevel@tonic-gate return; 33127c478bd9Sstevel@tonic-gate 33137c478bd9Sstevel@tonic-gate (void) audit_cron_delete_anc_file(e->cmd, 33144c4c9110Sbasabi (cwd == AT) ? NULL:ATDIR); 33157c478bd9Sstevel@tonic-gate } 33167c478bd9Sstevel@tonic-gate 33177c478bd9Sstevel@tonic-gate 33187c478bd9Sstevel@tonic-gate static void 33197c478bd9Sstevel@tonic-gate process_anc_files(int del) 33207c478bd9Sstevel@tonic-gate { 33217c478bd9Sstevel@tonic-gate struct usr *u = uhead; 33227c478bd9Sstevel@tonic-gate struct event *e; 33237c478bd9Sstevel@tonic-gate 33247c478bd9Sstevel@tonic-gate if (!audit_cron_mode()) 33257c478bd9Sstevel@tonic-gate return; 33267c478bd9Sstevel@tonic-gate 33277c478bd9Sstevel@tonic-gate for (;;) { 33287c478bd9Sstevel@tonic-gate if (u->ctexists && u->ctevents != NULL) { 33297c478bd9Sstevel@tonic-gate e = u->ctevents; 33307c478bd9Sstevel@tonic-gate for (;;) { 33317c478bd9Sstevel@tonic-gate if (del) 33327c478bd9Sstevel@tonic-gate delete_anc_ctab(e); 33337c478bd9Sstevel@tonic-gate else 33347c478bd9Sstevel@tonic-gate create_anc_ctab(e); 33357c478bd9Sstevel@tonic-gate if ((e = e->link) == NULL) 33367c478bd9Sstevel@tonic-gate break; 33377c478bd9Sstevel@tonic-gate } 33387c478bd9Sstevel@tonic-gate } 33397c478bd9Sstevel@tonic-gate 33407c478bd9Sstevel@tonic-gate if (u->atevents != NULL) { 33417c478bd9Sstevel@tonic-gate e = u->atevents; 33427c478bd9Sstevel@tonic-gate for (;;) { 33437c478bd9Sstevel@tonic-gate if (del) 33447c478bd9Sstevel@tonic-gate delete_anc_atjob(e); 33457c478bd9Sstevel@tonic-gate else 33467c478bd9Sstevel@tonic-gate create_anc_atjob(e); 33477c478bd9Sstevel@tonic-gate if ((e = e->link) == NULL) 33487c478bd9Sstevel@tonic-gate break; 33497c478bd9Sstevel@tonic-gate } 33507c478bd9Sstevel@tonic-gate } 33517c478bd9Sstevel@tonic-gate 33527c478bd9Sstevel@tonic-gate if ((u = u->nextusr) == NULL) 33537c478bd9Sstevel@tonic-gate break; 33547c478bd9Sstevel@tonic-gate } 33557c478bd9Sstevel@tonic-gate } 33567c478bd9Sstevel@tonic-gate 33577c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 33587c478bd9Sstevel@tonic-gate static int 33597c478bd9Sstevel@tonic-gate cron_conv(int num_msg, struct pam_message **msgs, 33607c478bd9Sstevel@tonic-gate struct pam_response **response, void *appdata_ptr) 33617c478bd9Sstevel@tonic-gate { 33627c478bd9Sstevel@tonic-gate struct pam_message **m = msgs; 33637c478bd9Sstevel@tonic-gate int i; 33647c478bd9Sstevel@tonic-gate 33657c478bd9Sstevel@tonic-gate for (i = 0; i < num_msg; i++) { 33667c478bd9Sstevel@tonic-gate switch (m[i]->msg_style) { 33677c478bd9Sstevel@tonic-gate case PAM_ERROR_MSG: 33687c478bd9Sstevel@tonic-gate case PAM_TEXT_INFO: 33697c478bd9Sstevel@tonic-gate if (m[i]->msg != NULL) { 33707c478bd9Sstevel@tonic-gate (void) msg("%s\n", m[i]->msg); 33717c478bd9Sstevel@tonic-gate } 33727c478bd9Sstevel@tonic-gate break; 33737c478bd9Sstevel@tonic-gate 33747c478bd9Sstevel@tonic-gate default: 33757c478bd9Sstevel@tonic-gate break; 33767c478bd9Sstevel@tonic-gate } 33777c478bd9Sstevel@tonic-gate } 33787c478bd9Sstevel@tonic-gate return (0); 33797c478bd9Sstevel@tonic-gate } 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate /* 33827c478bd9Sstevel@tonic-gate * Cron creates process for other than job. Mail process is the 33837c478bd9Sstevel@tonic-gate * one which rinfo does not cover. Therefore, miscpid will keep 33847c478bd9Sstevel@tonic-gate * track of the pids executed from cron. Otherwise, we will see 33857c478bd9Sstevel@tonic-gate * "unexpected pid returned.." messages appear in the log file. 33867c478bd9Sstevel@tonic-gate */ 33877c478bd9Sstevel@tonic-gate static void 33887c478bd9Sstevel@tonic-gate miscpid_insert(pid_t pid) 33897c478bd9Sstevel@tonic-gate { 33907c478bd9Sstevel@tonic-gate struct miscpid *mp; 33917c478bd9Sstevel@tonic-gate 33927c478bd9Sstevel@tonic-gate mp = xmalloc(sizeof (*mp)); 33937c478bd9Sstevel@tonic-gate mp->pid = pid; 33947c478bd9Sstevel@tonic-gate mp->next = miscpid_head; 33957c478bd9Sstevel@tonic-gate miscpid_head = mp; 33967c478bd9Sstevel@tonic-gate } 33977c478bd9Sstevel@tonic-gate 33987c478bd9Sstevel@tonic-gate static int 33997c478bd9Sstevel@tonic-gate miscpid_delete(pid_t pid) 34007c478bd9Sstevel@tonic-gate { 34017c478bd9Sstevel@tonic-gate struct miscpid *mp, *omp; 34027c478bd9Sstevel@tonic-gate int found = 0; 34037c478bd9Sstevel@tonic-gate 34047c478bd9Sstevel@tonic-gate omp = NULL; 34057c478bd9Sstevel@tonic-gate for (mp = miscpid_head; mp != NULL; mp = mp->next) { 34067c478bd9Sstevel@tonic-gate if (mp->pid == pid) { 34077c478bd9Sstevel@tonic-gate found = 1; 34087c478bd9Sstevel@tonic-gate break; 34097c478bd9Sstevel@tonic-gate } 34107c478bd9Sstevel@tonic-gate omp = mp; 34117c478bd9Sstevel@tonic-gate } 34127c478bd9Sstevel@tonic-gate if (found) { 34137c478bd9Sstevel@tonic-gate if (omp != NULL) 34147c478bd9Sstevel@tonic-gate omp->next = mp->next; 34157c478bd9Sstevel@tonic-gate else 34167c478bd9Sstevel@tonic-gate miscpid_head = NULL; 34177c478bd9Sstevel@tonic-gate free(mp); 34187c478bd9Sstevel@tonic-gate } 34197c478bd9Sstevel@tonic-gate return (found); 34207c478bd9Sstevel@tonic-gate } 34217c478bd9Sstevel@tonic-gate 34227c478bd9Sstevel@tonic-gate /* 34237c478bd9Sstevel@tonic-gate * Establish contract terms such that all children are in abandoned 34247c478bd9Sstevel@tonic-gate * process contracts. 34257c478bd9Sstevel@tonic-gate */ 3426032624d5Sbasabi static void 3427032624d5Sbasabi contract_set_template(void) 34287c478bd9Sstevel@tonic-gate { 34297c478bd9Sstevel@tonic-gate int fd; 34307c478bd9Sstevel@tonic-gate 34317c478bd9Sstevel@tonic-gate if ((fd = open64(CTFS_ROOT "/process/template", O_RDWR)) < 0) 34327c478bd9Sstevel@tonic-gate crabort("cannot open process contract template", 34337c478bd9Sstevel@tonic-gate REMOVE_FIFO | CONSOLE_MSG); 34347c478bd9Sstevel@tonic-gate 34357c478bd9Sstevel@tonic-gate if (ct_pr_tmpl_set_param(fd, 0) || 34367c478bd9Sstevel@tonic-gate ct_tmpl_set_informative(fd, 0) || 34377c478bd9Sstevel@tonic-gate ct_pr_tmpl_set_fatal(fd, CT_PR_EV_HWERR)) 34387c478bd9Sstevel@tonic-gate crabort("cannot establish contract template terms", 34397c478bd9Sstevel@tonic-gate REMOVE_FIFO | CONSOLE_MSG); 34407c478bd9Sstevel@tonic-gate 34417c478bd9Sstevel@tonic-gate if (ct_tmpl_activate(fd)) 34427c478bd9Sstevel@tonic-gate crabort("cannot activate contract template", 34437c478bd9Sstevel@tonic-gate REMOVE_FIFO | CONSOLE_MSG); 34447c478bd9Sstevel@tonic-gate 34457c478bd9Sstevel@tonic-gate (void) close(fd); 34467c478bd9Sstevel@tonic-gate } 34477c478bd9Sstevel@tonic-gate 34487c478bd9Sstevel@tonic-gate /* 34497c478bd9Sstevel@tonic-gate * Clear active process contract template. 34507c478bd9Sstevel@tonic-gate */ 3451032624d5Sbasabi static void 3452032624d5Sbasabi contract_clear_template(void) 34537c478bd9Sstevel@tonic-gate { 34547c478bd9Sstevel@tonic-gate int fd; 34557c478bd9Sstevel@tonic-gate 34567c478bd9Sstevel@tonic-gate if ((fd = open64(CTFS_ROOT "/process/template", O_RDWR)) < 0) 34577c478bd9Sstevel@tonic-gate crabort("cannot open process contract template", 34587c478bd9Sstevel@tonic-gate REMOVE_FIFO | CONSOLE_MSG); 34597c478bd9Sstevel@tonic-gate 34607c478bd9Sstevel@tonic-gate if (ct_tmpl_clear(fd)) 34617c478bd9Sstevel@tonic-gate crabort("cannot clear contract template", 34627c478bd9Sstevel@tonic-gate REMOVE_FIFO | CONSOLE_MSG); 34637c478bd9Sstevel@tonic-gate 34647c478bd9Sstevel@tonic-gate (void) close(fd); 34657c478bd9Sstevel@tonic-gate } 34667c478bd9Sstevel@tonic-gate 34677c478bd9Sstevel@tonic-gate /* 34687c478bd9Sstevel@tonic-gate * Abandon latest process contract unconditionally. If we have leaked [some 34697c478bd9Sstevel@tonic-gate * critical amount], exit such that the kernel reaps our contracts. 34707c478bd9Sstevel@tonic-gate */ 34717c478bd9Sstevel@tonic-gate static void 34727c478bd9Sstevel@tonic-gate contract_abandon_latest(pid_t pid) 34737c478bd9Sstevel@tonic-gate { 34747c478bd9Sstevel@tonic-gate int r; 34757c478bd9Sstevel@tonic-gate ctid_t id; 34767c478bd9Sstevel@tonic-gate static uint_t cts_lost; 34777c478bd9Sstevel@tonic-gate 34787c478bd9Sstevel@tonic-gate if (cts_lost > MAX_LOST_CONTRACTS) 34797c478bd9Sstevel@tonic-gate crabort("repeated failure to abandon contracts", 34807c478bd9Sstevel@tonic-gate REMOVE_FIFO | CONSOLE_MSG); 34817c478bd9Sstevel@tonic-gate 34827c478bd9Sstevel@tonic-gate if (r = contract_latest(&id)) { 348355aa09b1Sbasabi msg("could not obtain latest contract for " 348455aa09b1Sbasabi "PID %ld: %s", pid, strerror(r)); 34857c478bd9Sstevel@tonic-gate cts_lost++; 34867c478bd9Sstevel@tonic-gate return; 34877c478bd9Sstevel@tonic-gate } 34887c478bd9Sstevel@tonic-gate 34897c478bd9Sstevel@tonic-gate if (r = contract_abandon_id(id)) { 34907c478bd9Sstevel@tonic-gate msg("could not abandon latest contract %ld: %s", id, 34917c478bd9Sstevel@tonic-gate strerror(r)); 34927c478bd9Sstevel@tonic-gate cts_lost++; 34937c478bd9Sstevel@tonic-gate return; 34947c478bd9Sstevel@tonic-gate } 34957c478bd9Sstevel@tonic-gate } 3496