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 5*68c92b9fScf * Common Development and Distribution License (the "License"). 6*68c92b9fScf * 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 /* 22*68c92b9fScf * Copyright 2007 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) 1981 Regents of the University of California */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include "ex.h" 347c478bd9Sstevel@tonic-gate #include "ex_argv.h" 357c478bd9Sstevel@tonic-gate #include "ex_temp.h" 367c478bd9Sstevel@tonic-gate #include "ex_tty.h" 377c478bd9Sstevel@tonic-gate #include <stdlib.h> 387c478bd9Sstevel@tonic-gate #include <locale.h> 397c478bd9Sstevel@tonic-gate #include <stdio.h> 407c478bd9Sstevel@tonic-gate #ifdef TRACE 417c478bd9Sstevel@tonic-gate unsigned char tttrace[BUFSIZ]; 427c478bd9Sstevel@tonic-gate #endif 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate #define EQ(a, b) (strcmp(a, b) == 0) 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate char *strrchr(); 477c478bd9Sstevel@tonic-gate void init_re(void); 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate /* 507c478bd9Sstevel@tonic-gate * The code for ex is divided as follows: 517c478bd9Sstevel@tonic-gate * 527c478bd9Sstevel@tonic-gate * ex.c Entry point and routines handling interrupt, hangup 537c478bd9Sstevel@tonic-gate * signals; initialization code. 547c478bd9Sstevel@tonic-gate * 557c478bd9Sstevel@tonic-gate * ex_addr.c Address parsing routines for command mode decoding. 567c478bd9Sstevel@tonic-gate * Routines to set and check address ranges on commands. 577c478bd9Sstevel@tonic-gate * 587c478bd9Sstevel@tonic-gate * ex_cmds.c Command mode command decoding. 597c478bd9Sstevel@tonic-gate * 607c478bd9Sstevel@tonic-gate * ex_cmds2.c Subroutines for command decoding and processing of 617c478bd9Sstevel@tonic-gate * file names in the argument list. Routines to print 627c478bd9Sstevel@tonic-gate * messages and reset state when errors occur. 637c478bd9Sstevel@tonic-gate * 647c478bd9Sstevel@tonic-gate * ex_cmdsub.c Subroutines which implement command mode functions 657c478bd9Sstevel@tonic-gate * such as append, delete, join. 667c478bd9Sstevel@tonic-gate * 677c478bd9Sstevel@tonic-gate * ex_data.c Initialization of options. 687c478bd9Sstevel@tonic-gate * 697c478bd9Sstevel@tonic-gate * ex_get.c Command mode input routines. 707c478bd9Sstevel@tonic-gate * 717c478bd9Sstevel@tonic-gate * ex_io.c General input/output processing: file i/o, unix 727c478bd9Sstevel@tonic-gate * escapes, filtering, source commands, preserving 737c478bd9Sstevel@tonic-gate * and recovering. 747c478bd9Sstevel@tonic-gate * 757c478bd9Sstevel@tonic-gate * ex_put.c Terminal driving and optimizing routines for low-level 767c478bd9Sstevel@tonic-gate * output (cursor-positioning); output line formatting 777c478bd9Sstevel@tonic-gate * routines. 787c478bd9Sstevel@tonic-gate * 797c478bd9Sstevel@tonic-gate * ex_re.c Global commands, substitute, regular expression 807c478bd9Sstevel@tonic-gate * compilation and execution. 817c478bd9Sstevel@tonic-gate * 827c478bd9Sstevel@tonic-gate * ex_set.c The set command. 837c478bd9Sstevel@tonic-gate * 847c478bd9Sstevel@tonic-gate * ex_subr.c Loads of miscellaneous subroutines. 857c478bd9Sstevel@tonic-gate * 867c478bd9Sstevel@tonic-gate * ex_temp.c Editor buffer routines for main buffer and also 877c478bd9Sstevel@tonic-gate * for named buffers (Q registers if you will.) 887c478bd9Sstevel@tonic-gate * 897c478bd9Sstevel@tonic-gate * ex_tty.c Terminal dependent initializations from termcap 907c478bd9Sstevel@tonic-gate * data base, grabbing of tty modes (at beginning 917c478bd9Sstevel@tonic-gate * and after escapes). 927c478bd9Sstevel@tonic-gate * 937c478bd9Sstevel@tonic-gate * ex_unix.c Routines for the ! command and its variations. 947c478bd9Sstevel@tonic-gate * 957c478bd9Sstevel@tonic-gate * ex_v*.c Visual/open mode routines... see ex_v.c for a 967c478bd9Sstevel@tonic-gate * guide to the overall organization. 977c478bd9Sstevel@tonic-gate */ 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate /* 1007c478bd9Sstevel@tonic-gate * This sets the Version of ex/vi for both the exstrings file and 1017c478bd9Sstevel@tonic-gate * the version command (":ver"). 1027c478bd9Sstevel@tonic-gate */ 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* variable used by ":ver" command */ 1057c478bd9Sstevel@tonic-gate unsigned char *Version = (unsigned char *)"Version SVR4.0, Solaris 2.5.0"; 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate /* 1087c478bd9Sstevel@tonic-gate * NOTE: when changing the Version number, it must be changed in the 1097c478bd9Sstevel@tonic-gate * following files: 1107c478bd9Sstevel@tonic-gate * 1117c478bd9Sstevel@tonic-gate * port/READ_ME 1127c478bd9Sstevel@tonic-gate * port/ex.c 1137c478bd9Sstevel@tonic-gate * port/ex.news 1147c478bd9Sstevel@tonic-gate * 1157c478bd9Sstevel@tonic-gate */ 1167c478bd9Sstevel@tonic-gate #ifdef XPG4 1177c478bd9Sstevel@tonic-gate unsigned char *savepat = (unsigned char *) NULL; /* firstpat storage */ 1187c478bd9Sstevel@tonic-gate #endif /* XPG4 */ 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate /* 1217c478bd9Sstevel@tonic-gate * Main procedure. Process arguments and then 1227c478bd9Sstevel@tonic-gate * transfer control to the main command processing loop 1237c478bd9Sstevel@tonic-gate * in the routine commands. We are entered as either "ex", "edit", "vi" 1247c478bd9Sstevel@tonic-gate * or "view" and the distinction is made here. For edit we just diddle options; 1257c478bd9Sstevel@tonic-gate * for vi we actually force an early visual command. 1267c478bd9Sstevel@tonic-gate */ 1277c478bd9Sstevel@tonic-gate static unsigned char cryptkey[19]; /* contents of encryption key */ 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate static void usage(unsigned char *); 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate static int validate_exrc(unsigned char *); 1327c478bd9Sstevel@tonic-gate 133f6db9f27Scf void init(void); 134f6db9f27Scf 1357c478bd9Sstevel@tonic-gate int 136f6db9f27Scf main(int ac, char *av[]) 1377c478bd9Sstevel@tonic-gate { 1387c478bd9Sstevel@tonic-gate extern char *optarg; 1397c478bd9Sstevel@tonic-gate extern int optind; 1407c478bd9Sstevel@tonic-gate unsigned char *rcvname = 0; 1417c478bd9Sstevel@tonic-gate unsigned char *cp; 1427c478bd9Sstevel@tonic-gate int c; 1437c478bd9Sstevel@tonic-gate unsigned char *cmdnam; 1447c478bd9Sstevel@tonic-gate bool recov = 0; 1457c478bd9Sstevel@tonic-gate bool ivis = 0; 1467c478bd9Sstevel@tonic-gate bool itag = 0; 1477c478bd9Sstevel@tonic-gate bool fast = 0; 1487c478bd9Sstevel@tonic-gate extern int verbose; 1497c478bd9Sstevel@tonic-gate int argcounter = 0; 1507c478bd9Sstevel@tonic-gate extern int tags_flag; /* Set if tag file is not sorted (-S flag) */ 1517c478bd9Sstevel@tonic-gate unsigned char scratch [PATH_MAX+1]; /* temp for sourcing rc file(s) */ 1527c478bd9Sstevel@tonic-gate int vret = 0; 1537c478bd9Sstevel@tonic-gate unsigned char exrcpath [PATH_MAX+1]; /* temp for sourcing rc file(s) */ 1547c478bd9Sstevel@tonic-gate int toptseen = 0; 1557c478bd9Sstevel@tonic-gate #ifdef TRACE 1567c478bd9Sstevel@tonic-gate unsigned char *tracef; 1577c478bd9Sstevel@tonic-gate #endif 158*68c92b9fScf tagflg = 0; 1597c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 1607c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) 1617c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 1627c478bd9Sstevel@tonic-gate #endif 1637c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 1647c478bd9Sstevel@tonic-gate 1657c478bd9Sstevel@tonic-gate /* 1667c478bd9Sstevel@tonic-gate * Immediately grab the tty modes so that we won't 1677c478bd9Sstevel@tonic-gate * get messed up if an interrupt comes in quickly. 1687c478bd9Sstevel@tonic-gate */ 169f6db9f27Scf (void) gTTY(2); 1707c478bd9Sstevel@tonic-gate normf = tty; 1717c478bd9Sstevel@tonic-gate ppid = getpid(); 1727c478bd9Sstevel@tonic-gate /* Note - this will core dump if you didn't -DSINGLE in CFLAGS */ 1737c478bd9Sstevel@tonic-gate lines = 24; 1747c478bd9Sstevel@tonic-gate columns = 80; /* until defined right by setupterm */ 1757c478bd9Sstevel@tonic-gate /* 1767c478bd9Sstevel@tonic-gate * Defend against d's, v's, w's, and a's in directories of 1777c478bd9Sstevel@tonic-gate * path leading to our true name. 1787c478bd9Sstevel@tonic-gate */ 1797c478bd9Sstevel@tonic-gate if ((cmdnam = (unsigned char *)strrchr(av[0], '/')) != 0) 1807c478bd9Sstevel@tonic-gate cmdnam++; 1817c478bd9Sstevel@tonic-gate else 182f6db9f27Scf cmdnam = (unsigned char *)av[0]; 1837c478bd9Sstevel@tonic-gate 184f6db9f27Scf if (EQ((char *)cmdnam, "vi")) 1857c478bd9Sstevel@tonic-gate ivis = 1; 1867c478bd9Sstevel@tonic-gate else if (EQ(cmdnam, "view")) { 1877c478bd9Sstevel@tonic-gate ivis = 1; 1887c478bd9Sstevel@tonic-gate value(vi_READONLY) = 1; 1897c478bd9Sstevel@tonic-gate } else if (EQ(cmdnam, "vedit")) { 1907c478bd9Sstevel@tonic-gate ivis = 1; 1917c478bd9Sstevel@tonic-gate value(vi_NOVICE) = 1; 1927c478bd9Sstevel@tonic-gate value(vi_REPORT) = 1; 1937c478bd9Sstevel@tonic-gate value(vi_MAGIC) = 0; 1947c478bd9Sstevel@tonic-gate value(vi_SHOWMODE) = 1; 1957c478bd9Sstevel@tonic-gate } else if (EQ(cmdnam, "edit")) { 1967c478bd9Sstevel@tonic-gate value(vi_NOVICE) = 1; 1977c478bd9Sstevel@tonic-gate value(vi_REPORT) = 1; 1987c478bd9Sstevel@tonic-gate value(vi_MAGIC) = 0; 1997c478bd9Sstevel@tonic-gate value(vi_SHOWMODE) = 1; 2007c478bd9Sstevel@tonic-gate } 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate #ifdef XPG4 2037c478bd9Sstevel@tonic-gate { 2047c478bd9Sstevel@tonic-gate struct winsize jwin; 2057c478bd9Sstevel@tonic-gate char *envptr; 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate envlines = envcolumns = -1; 2087c478bd9Sstevel@tonic-gate oldlines = oldcolumns = -1; 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate if (ioctl(0, TIOCGWINSZ, &jwin) != -1) { 2117c478bd9Sstevel@tonic-gate oldlines = jwin.ws_row; 2127c478bd9Sstevel@tonic-gate oldcolumns = jwin.ws_col; 2137c478bd9Sstevel@tonic-gate } 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate if ((envptr = getenv("LINES")) != NULL && 2167c478bd9Sstevel@tonic-gate *envptr != '\0' && isdigit(*envptr)) { 2177c478bd9Sstevel@tonic-gate if ((envlines = atoi(envptr)) <= 0) { 2187c478bd9Sstevel@tonic-gate envlines = -1; 2197c478bd9Sstevel@tonic-gate } 2207c478bd9Sstevel@tonic-gate } 2217c478bd9Sstevel@tonic-gate 2227c478bd9Sstevel@tonic-gate if ((envptr = getenv("COLUMNS")) != NULL && 2237c478bd9Sstevel@tonic-gate *envptr != '\0' && isdigit(*envptr)) { 2247c478bd9Sstevel@tonic-gate if ((envcolumns = atoi(envptr)) <= 0) { 2257c478bd9Sstevel@tonic-gate envcolumns = -1; 2267c478bd9Sstevel@tonic-gate } 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate } 2297c478bd9Sstevel@tonic-gate #endif /* XPG4 */ 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate draino(); 2327c478bd9Sstevel@tonic-gate pstop(); 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate /* 2357c478bd9Sstevel@tonic-gate * Initialize interrupt handling. 2367c478bd9Sstevel@tonic-gate */ 2377c478bd9Sstevel@tonic-gate oldhup = signal(SIGHUP, SIG_IGN); 2387c478bd9Sstevel@tonic-gate if (oldhup == SIG_DFL) 2397c478bd9Sstevel@tonic-gate signal(SIGHUP, onhup); 2407c478bd9Sstevel@tonic-gate oldquit = signal(SIGQUIT, SIG_IGN); 2417c478bd9Sstevel@tonic-gate ruptible = signal(SIGINT, SIG_IGN) == SIG_DFL; 2427c478bd9Sstevel@tonic-gate if (signal(SIGTERM, SIG_IGN) == SIG_DFL) 2437c478bd9Sstevel@tonic-gate signal(SIGTERM, onhup); 2447c478bd9Sstevel@tonic-gate if (signal(SIGEMT, SIG_IGN) == SIG_DFL) 2457c478bd9Sstevel@tonic-gate signal(SIGEMT, onemt); 2467c478bd9Sstevel@tonic-gate signal(SIGILL, oncore); 2477c478bd9Sstevel@tonic-gate signal(SIGTRAP, oncore); 2487c478bd9Sstevel@tonic-gate signal(SIGIOT, oncore); 2497c478bd9Sstevel@tonic-gate signal(SIGFPE, oncore); 2507c478bd9Sstevel@tonic-gate signal(SIGBUS, oncore); 2517c478bd9Sstevel@tonic-gate signal(SIGSEGV, oncore); 2527c478bd9Sstevel@tonic-gate signal(SIGPIPE, oncore); 2537c478bd9Sstevel@tonic-gate init_re(); 2547c478bd9Sstevel@tonic-gate while (1) { 2557c478bd9Sstevel@tonic-gate #ifdef TRACE 2567c478bd9Sstevel@tonic-gate while ((c = getopt(ac, (char **)av, "VU:Lc:Tvt:rlw:xRCsS")) != 2577c478bd9Sstevel@tonic-gate EOF) 2587c478bd9Sstevel@tonic-gate #else 2597c478bd9Sstevel@tonic-gate while ((c = getopt(ac, (char **)av, 260a1d23db4Sceastha "VLc:vt:rlw:xRCsS")) != EOF) 2617c478bd9Sstevel@tonic-gate #endif 2627c478bd9Sstevel@tonic-gate switch (c) { 2637c478bd9Sstevel@tonic-gate case 's': 2647c478bd9Sstevel@tonic-gate hush = 1; 2657c478bd9Sstevel@tonic-gate value(vi_AUTOPRINT) = 0; 2667c478bd9Sstevel@tonic-gate fast++; 2677c478bd9Sstevel@tonic-gate break; 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate case 'R': 2707c478bd9Sstevel@tonic-gate value(vi_READONLY) = 1; 2717c478bd9Sstevel@tonic-gate break; 2727c478bd9Sstevel@tonic-gate case 'S': 2737c478bd9Sstevel@tonic-gate tags_flag = 1; 2747c478bd9Sstevel@tonic-gate break; 2757c478bd9Sstevel@tonic-gate #ifdef TRACE 2767c478bd9Sstevel@tonic-gate case 'T': 2777c478bd9Sstevel@tonic-gate tracef = (unsigned char *)"trace"; 2787c478bd9Sstevel@tonic-gate goto trace; 2797c478bd9Sstevel@tonic-gate 2807c478bd9Sstevel@tonic-gate case 'U': 2817c478bd9Sstevel@tonic-gate tracef = tttrace; 2827c478bd9Sstevel@tonic-gate strcpy(tracef, optarg); 2837c478bd9Sstevel@tonic-gate trace: 2847c478bd9Sstevel@tonic-gate trace = fopen((char *)tracef, "w"); 2857c478bd9Sstevel@tonic-gate #define tracbuf NULL 2867c478bd9Sstevel@tonic-gate if (trace == NULL) 287f6db9f27Scf viprintf("Trace create error\n"); 2887c478bd9Sstevel@tonic-gate else 2897c478bd9Sstevel@tonic-gate setbuf(trace, (char *)tracbuf); 2907c478bd9Sstevel@tonic-gate break; 2917c478bd9Sstevel@tonic-gate #endif 2927c478bd9Sstevel@tonic-gate case 'c': 2937c478bd9Sstevel@tonic-gate if (optarg != NULL) 2947c478bd9Sstevel@tonic-gate firstpat = (unsigned char *)optarg; 2957c478bd9Sstevel@tonic-gate else 2967c478bd9Sstevel@tonic-gate firstpat = (unsigned char *)""; 2977c478bd9Sstevel@tonic-gate break; 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate case 'l': 3007c478bd9Sstevel@tonic-gate value(vi_LISP) = 1; 3017c478bd9Sstevel@tonic-gate value(vi_SHOWMATCH) = 1; 3027c478bd9Sstevel@tonic-gate break; 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate case 'r': 3057c478bd9Sstevel@tonic-gate if (av[optind] && (c = av[optind][0]) && 3067c478bd9Sstevel@tonic-gate c != '-') { 3077c478bd9Sstevel@tonic-gate if ((strlen(av[optind])) >= 3087c478bd9Sstevel@tonic-gate sizeof (savedfile)) { 3097c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext( 310a1d23db4Sceastha "Recovered file name" 311a1d23db4Sceastha " too long\n")); 3127c478bd9Sstevel@tonic-gate exit(1); 3137c478bd9Sstevel@tonic-gate } 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate rcvname = (unsigned char *)av[optind]; 3167c478bd9Sstevel@tonic-gate optind++; 3177c478bd9Sstevel@tonic-gate } 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate case 'L': 3207c478bd9Sstevel@tonic-gate recov++; 3217c478bd9Sstevel@tonic-gate break; 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate case 'V': 3247c478bd9Sstevel@tonic-gate verbose = 1; 3257c478bd9Sstevel@tonic-gate break; 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate case 't': 3287c478bd9Sstevel@tonic-gate if (toptseen) { 3297c478bd9Sstevel@tonic-gate usage(cmdnam); 3307c478bd9Sstevel@tonic-gate exit(1); 3317c478bd9Sstevel@tonic-gate } else { 3327c478bd9Sstevel@tonic-gate toptseen++; 3337c478bd9Sstevel@tonic-gate } 334*68c92b9fScf itag = tagflg = 1; /* -t option */ 3357c478bd9Sstevel@tonic-gate if (strlcpy(lasttag, optarg, 3367c478bd9Sstevel@tonic-gate sizeof (lasttag)) >= sizeof (lasttag)) { 3377c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext("Tag" 3387c478bd9Sstevel@tonic-gate " file name too long\n")); 3397c478bd9Sstevel@tonic-gate exit(1); 3407c478bd9Sstevel@tonic-gate } 3417c478bd9Sstevel@tonic-gate break; 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate case 'w': 3447c478bd9Sstevel@tonic-gate defwind = 0; 3457c478bd9Sstevel@tonic-gate if (optarg[0] == NULL) 3467c478bd9Sstevel@tonic-gate defwind = 3; 3477c478bd9Sstevel@tonic-gate else for (cp = (unsigned char *)optarg; 3487c478bd9Sstevel@tonic-gate isdigit(*cp); cp++) 3497c478bd9Sstevel@tonic-gate defwind = 10*defwind + *cp - '0'; 3507c478bd9Sstevel@tonic-gate if (defwind < 0) 3517c478bd9Sstevel@tonic-gate defwind = 3; 3527c478bd9Sstevel@tonic-gate break; 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate case 'C': 3557c478bd9Sstevel@tonic-gate crflag = 1; 3567c478bd9Sstevel@tonic-gate xflag = 1; 3577c478bd9Sstevel@tonic-gate break; 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate case 'x': 3607c478bd9Sstevel@tonic-gate /* encrypted mode */ 3617c478bd9Sstevel@tonic-gate xflag = 1; 3627c478bd9Sstevel@tonic-gate crflag = -1; 3637c478bd9Sstevel@tonic-gate break; 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate case 'v': 3667c478bd9Sstevel@tonic-gate ivis = 1; 3677c478bd9Sstevel@tonic-gate break; 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate default: 3707c478bd9Sstevel@tonic-gate usage(cmdnam); 3717c478bd9Sstevel@tonic-gate exit(1); 3727c478bd9Sstevel@tonic-gate } 3737c478bd9Sstevel@tonic-gate if (av[optind] && av[optind][0] == '+' && 3747c478bd9Sstevel@tonic-gate av[optind-1] && strcmp(av[optind-1], "--")) { 375f6db9f27Scf firstpat = (unsigned char *)&av[optind][1]; 3767c478bd9Sstevel@tonic-gate optind++; 3777c478bd9Sstevel@tonic-gate continue; 3787c478bd9Sstevel@tonic-gate } else if (av[optind] && av[optind][0] == '-' && 3797c478bd9Sstevel@tonic-gate av[optind-1] && strcmp(av[optind-1], "--")) { 3807c478bd9Sstevel@tonic-gate hush = 1; 3817c478bd9Sstevel@tonic-gate value(vi_AUTOPRINT) = 0; 3827c478bd9Sstevel@tonic-gate fast++; 3837c478bd9Sstevel@tonic-gate optind++; 3847c478bd9Sstevel@tonic-gate continue; 3857c478bd9Sstevel@tonic-gate } 3867c478bd9Sstevel@tonic-gate break; 3877c478bd9Sstevel@tonic-gate } 3887c478bd9Sstevel@tonic-gate 389a1d23db4Sceastha if (isatty(0) == 0) { 390a1d23db4Sceastha /* 391a1d23db4Sceastha * If -V option is set and input is coming in via 392a1d23db4Sceastha * stdin then vi behavior should be ignored. The vi 393a1d23db4Sceastha * command should act like ex and only process ex commands 394a1d23db4Sceastha * and echo the input ex commands to stderr 395a1d23db4Sceastha */ 396a1d23db4Sceastha if (verbose == 1) { 397a1d23db4Sceastha ivis = 0; 398a1d23db4Sceastha } 399a1d23db4Sceastha 400a1d23db4Sceastha /* 401a1d23db4Sceastha * If the standard input is not a terminal device, 402a1d23db4Sceastha * it is as if the -s option has been specified. 403a1d23db4Sceastha */ 404a1d23db4Sceastha if (ivis == 0) { 405a1d23db4Sceastha hush = 1; 406a1d23db4Sceastha value(vi_AUTOPRINT) = 0; 407a1d23db4Sceastha fast++; 408a1d23db4Sceastha } 4097c478bd9Sstevel@tonic-gate } 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate ac -= optind; 4127c478bd9Sstevel@tonic-gate av = &av[optind]; 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate for (argcounter = 0; argcounter < ac; argcounter++) { 4157c478bd9Sstevel@tonic-gate if ((strlen(av[argcounter])) >= sizeof (savedfile)) { 4167c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext("File argument" 417a1d23db4Sceastha " too long\n")); 4187c478bd9Sstevel@tonic-gate exit(1); 4197c478bd9Sstevel@tonic-gate } 4207c478bd9Sstevel@tonic-gate } 4217c478bd9Sstevel@tonic-gate 4227c478bd9Sstevel@tonic-gate #ifdef SIGTSTP 4237c478bd9Sstevel@tonic-gate if (!hush && signal(SIGTSTP, SIG_IGN) == SIG_DFL) 4247c478bd9Sstevel@tonic-gate signal(SIGTSTP, onsusp), dosusp++; 4257c478bd9Sstevel@tonic-gate #endif 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate if (xflag) { 4287c478bd9Sstevel@tonic-gate permflag = 1; 4297c478bd9Sstevel@tonic-gate if ((kflag = run_setkey(perm, 4307c478bd9Sstevel@tonic-gate (key = (unsigned char *)getpass( 4317c478bd9Sstevel@tonic-gate gettext("Enter key:"))))) == -1) { 4327c478bd9Sstevel@tonic-gate kflag = 0; 4337c478bd9Sstevel@tonic-gate xflag = 0; 4347c478bd9Sstevel@tonic-gate smerror(gettext("Encryption facility not available\n")); 4357c478bd9Sstevel@tonic-gate } 4367c478bd9Sstevel@tonic-gate if (kflag == 0) 4377c478bd9Sstevel@tonic-gate crflag = 0; 4387c478bd9Sstevel@tonic-gate else { 4397c478bd9Sstevel@tonic-gate strcpy(cryptkey, "CrYpTkEy=XXXXXXXXX"); 4407c478bd9Sstevel@tonic-gate strcpy(cryptkey + 9, key); 4417c478bd9Sstevel@tonic-gate if (putenv((char *)cryptkey) != 0) 4427c478bd9Sstevel@tonic-gate smerror(gettext(" Cannot copy key to environment")); 4437c478bd9Sstevel@tonic-gate } 4447c478bd9Sstevel@tonic-gate 4457c478bd9Sstevel@tonic-gate } 4467c478bd9Sstevel@tonic-gate #ifndef PRESUNEUC 4477c478bd9Sstevel@tonic-gate /* 4487c478bd9Sstevel@tonic-gate * Perform locale-specific initialization 4497c478bd9Sstevel@tonic-gate */ 450f6db9f27Scf localize(); 4517c478bd9Sstevel@tonic-gate #endif /* PRESUNEUC */ 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate /* 4547c478bd9Sstevel@tonic-gate * Initialize end of core pointers. 4557c478bd9Sstevel@tonic-gate * Normally we avoid breaking back to fendcore after each 4567c478bd9Sstevel@tonic-gate * file since this can be expensive (much core-core copying). 4577c478bd9Sstevel@tonic-gate * If your system can scatter load processes you could do 4587c478bd9Sstevel@tonic-gate * this as ed does, saving a little core, but it will probably 4597c478bd9Sstevel@tonic-gate * not often make much difference. 4607c478bd9Sstevel@tonic-gate */ 4617c478bd9Sstevel@tonic-gate fendcore = (line *) sbrk(0); 4627c478bd9Sstevel@tonic-gate endcore = fendcore - 2; 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate /* 4657c478bd9Sstevel@tonic-gate * If we are doing a recover and no filename 4667c478bd9Sstevel@tonic-gate * was given, then execute an exrecover command with 4677c478bd9Sstevel@tonic-gate * the -r option to type out the list of saved file names. 4687c478bd9Sstevel@tonic-gate * Otherwise set the remembered file name to the first argument 4697c478bd9Sstevel@tonic-gate * file name so the "recover" initial command will find it. 4707c478bd9Sstevel@tonic-gate */ 4717c478bd9Sstevel@tonic-gate if (recov) { 4727c478bd9Sstevel@tonic-gate if (ac == 0 && (rcvname == NULL || *rcvname == NULL)) { 4737c478bd9Sstevel@tonic-gate ppid = 0; 4747c478bd9Sstevel@tonic-gate setrupt(); 4757c478bd9Sstevel@tonic-gate execlp(EXRECOVER, "exrecover", "-r", (char *)0); 4767c478bd9Sstevel@tonic-gate filioerr(EXRECOVER); 4777c478bd9Sstevel@tonic-gate exit(++errcnt); 4787c478bd9Sstevel@tonic-gate } 4797c478bd9Sstevel@tonic-gate if (rcvname && *rcvname) 4807c478bd9Sstevel@tonic-gate (void) strlcpy(savedfile, rcvname, sizeof (savedfile)); 4817c478bd9Sstevel@tonic-gate else { 4827c478bd9Sstevel@tonic-gate (void) strlcpy(savedfile, *av++, sizeof (savedfile)); 4837c478bd9Sstevel@tonic-gate ac--; 4847c478bd9Sstevel@tonic-gate } 4857c478bd9Sstevel@tonic-gate } 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate /* 4887c478bd9Sstevel@tonic-gate * Initialize the argument list. 4897c478bd9Sstevel@tonic-gate */ 490f6db9f27Scf argv0 = (unsigned char **)av; 4917c478bd9Sstevel@tonic-gate argc0 = ac; 492f6db9f27Scf args0 = (unsigned char *)av[0]; 4937c478bd9Sstevel@tonic-gate erewind(); 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate /* 4967c478bd9Sstevel@tonic-gate * Initialize a temporary file (buffer) and 4977c478bd9Sstevel@tonic-gate * set up terminal environment. Read user startup commands. 4987c478bd9Sstevel@tonic-gate */ 4997c478bd9Sstevel@tonic-gate if (setexit() == 0) { 5007c478bd9Sstevel@tonic-gate setrupt(); 5017c478bd9Sstevel@tonic-gate intty = isatty(0); 5027c478bd9Sstevel@tonic-gate value(vi_PROMPT) = intty; 5037c478bd9Sstevel@tonic-gate if (((cp = (unsigned char *)getenv("SHELL")) != NULL) && 5047c478bd9Sstevel@tonic-gate (*cp != '\0')) { 5057c478bd9Sstevel@tonic-gate if (strlen(cp) < sizeof (shell)) { 5067c478bd9Sstevel@tonic-gate (void) strlcpy(shell, cp, sizeof (shell)); 5077c478bd9Sstevel@tonic-gate } 5087c478bd9Sstevel@tonic-gate } 5097c478bd9Sstevel@tonic-gate if (fast) 510f6db9f27Scf setterm((unsigned char *)"dumb"); 5117c478bd9Sstevel@tonic-gate else { 5127c478bd9Sstevel@tonic-gate gettmode(); 5137c478bd9Sstevel@tonic-gate cp = (unsigned char *)getenv("TERM"); 5147c478bd9Sstevel@tonic-gate if (cp == NULL || *cp == '\0') 5157c478bd9Sstevel@tonic-gate cp = (unsigned char *)"unknown"; 5167c478bd9Sstevel@tonic-gate setterm(cp); 5177c478bd9Sstevel@tonic-gate } 5187c478bd9Sstevel@tonic-gate } 5197c478bd9Sstevel@tonic-gate 5207c478bd9Sstevel@tonic-gate /* 5217c478bd9Sstevel@tonic-gate * Bring up some code from init() 5227c478bd9Sstevel@tonic-gate * This is still done in init later. This 5237c478bd9Sstevel@tonic-gate * avoids null pointer problems 5247c478bd9Sstevel@tonic-gate */ 5257c478bd9Sstevel@tonic-gate 5267c478bd9Sstevel@tonic-gate dot = zero = truedol = unddol = dol = fendcore; 5277c478bd9Sstevel@tonic-gate one = zero+1; 5287c478bd9Sstevel@tonic-gate { 529f6db9f27Scf int i; 5307c478bd9Sstevel@tonic-gate 5317c478bd9Sstevel@tonic-gate for (i = 0; i <= 'z'-'a'+1; i++) 5327c478bd9Sstevel@tonic-gate names[i] = 1; 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate if (setexit() == 0 && !fast) { 5367c478bd9Sstevel@tonic-gate if ((globp = 537a1d23db4Sceastha (unsigned char *) getenv("EXINIT")) && *globp) { 5387c478bd9Sstevel@tonic-gate if (ivis) 5397c478bd9Sstevel@tonic-gate inexrc = 1; 5407c478bd9Sstevel@tonic-gate commands(1, 1); 5417c478bd9Sstevel@tonic-gate inexrc = 0; 5427c478bd9Sstevel@tonic-gate } else { 5437c478bd9Sstevel@tonic-gate globp = 0; 5447c478bd9Sstevel@tonic-gate if ((cp = (unsigned char *) getenv("HOME")) != 5457c478bd9Sstevel@tonic-gate 0 && *cp) { 5467c478bd9Sstevel@tonic-gate strncpy(scratch, cp, sizeof (scratch) - 1); 5477c478bd9Sstevel@tonic-gate strncat(scratch, "/.exrc", 5487c478bd9Sstevel@tonic-gate sizeof (scratch) - 1 - strlen(scratch)); 5497c478bd9Sstevel@tonic-gate if (ivis) 550a1d23db4Sceastha inexrc = 1; 5517c478bd9Sstevel@tonic-gate if ((vret = validate_exrc(scratch)) == 0) { 5527c478bd9Sstevel@tonic-gate source(scratch, 1); 5537c478bd9Sstevel@tonic-gate } else { 5547c478bd9Sstevel@tonic-gate if (vret == -1) { 5557c478bd9Sstevel@tonic-gate error(gettext( 5567c478bd9Sstevel@tonic-gate "Not owner of .exrc " 5577c478bd9Sstevel@tonic-gate "or .exrc is group or " 5587c478bd9Sstevel@tonic-gate "world writable")); 5597c478bd9Sstevel@tonic-gate } 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate inexrc = 0; 5627c478bd9Sstevel@tonic-gate } 5637c478bd9Sstevel@tonic-gate } 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate /* 5667c478bd9Sstevel@tonic-gate * Allow local .exrc if the "exrc" option was set. This 5677c478bd9Sstevel@tonic-gate * loses if . is $HOME, but nobody should notice unless 5687c478bd9Sstevel@tonic-gate * they do stupid things like putting a version command 5697c478bd9Sstevel@tonic-gate * in .exrc. 5707c478bd9Sstevel@tonic-gate * Besides, they should be using EXINIT, not .exrc, right? 5717c478bd9Sstevel@tonic-gate */ 5727c478bd9Sstevel@tonic-gate 5737c478bd9Sstevel@tonic-gate if (value(vi_EXRC)) { 5747c478bd9Sstevel@tonic-gate if (ivis) 5757c478bd9Sstevel@tonic-gate inexrc = 1; 5767c478bd9Sstevel@tonic-gate if ((cp = (unsigned char *) getenv("PWD")) != 0 && 5777c478bd9Sstevel@tonic-gate *cp) { 5787c478bd9Sstevel@tonic-gate strncpy(exrcpath, cp, sizeof (exrcpath) - 1); 5797c478bd9Sstevel@tonic-gate strncat(exrcpath, "/.exrc", 5807c478bd9Sstevel@tonic-gate sizeof (exrcpath) - 1 - strlen(exrcpath)); 5817c478bd9Sstevel@tonic-gate if (strcmp(scratch, exrcpath) != 0) { 5827c478bd9Sstevel@tonic-gate if ((vret = 5837c478bd9Sstevel@tonic-gate validate_exrc(exrcpath)) == 0) { 5847c478bd9Sstevel@tonic-gate source(exrcpath, 1); 5857c478bd9Sstevel@tonic-gate } else { 5867c478bd9Sstevel@tonic-gate if (vret == -1) { 5877c478bd9Sstevel@tonic-gate error(gettext( 5887c478bd9Sstevel@tonic-gate "Not owner of " 5897c478bd9Sstevel@tonic-gate ".exrc or .exrc " 5907c478bd9Sstevel@tonic-gate "is group or world " 5917c478bd9Sstevel@tonic-gate "writable")); 5927c478bd9Sstevel@tonic-gate } 5937c478bd9Sstevel@tonic-gate } 5947c478bd9Sstevel@tonic-gate } 5957c478bd9Sstevel@tonic-gate } 5967c478bd9Sstevel@tonic-gate inexrc = 0; 5977c478bd9Sstevel@tonic-gate } 5987c478bd9Sstevel@tonic-gate } 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate init(); /* moved after prev 2 chunks to fix directory option */ 6017c478bd9Sstevel@tonic-gate 6027c478bd9Sstevel@tonic-gate /* 6037c478bd9Sstevel@tonic-gate * Initial processing. Handle tag, recover, and file argument 6047c478bd9Sstevel@tonic-gate * implied next commands. If going in as 'vi', then don't do 6057c478bd9Sstevel@tonic-gate * anything, just set initev so we will do it later (from within 6067c478bd9Sstevel@tonic-gate * visual). 6077c478bd9Sstevel@tonic-gate */ 6087c478bd9Sstevel@tonic-gate if (setexit() == 0) { 6097c478bd9Sstevel@tonic-gate if (recov) 6107c478bd9Sstevel@tonic-gate globp = (unsigned char *)"recover"; 6117c478bd9Sstevel@tonic-gate else if (itag) { 6127c478bd9Sstevel@tonic-gate globp = ivis ? (unsigned char *)"tag" : 6137c478bd9Sstevel@tonic-gate (unsigned char *)"tag|p"; 6147c478bd9Sstevel@tonic-gate #ifdef XPG4 6157c478bd9Sstevel@tonic-gate if (firstpat != NULL) { 6167c478bd9Sstevel@tonic-gate /* 6177c478bd9Sstevel@tonic-gate * if the user specified the -t and -c 6187c478bd9Sstevel@tonic-gate * flags together, then we service these 6197c478bd9Sstevel@tonic-gate * commands here. -t is handled first. 6207c478bd9Sstevel@tonic-gate */ 6217c478bd9Sstevel@tonic-gate savepat = firstpat; 6227c478bd9Sstevel@tonic-gate firstpat = NULL; 6237c478bd9Sstevel@tonic-gate inglobal = 1; 6247c478bd9Sstevel@tonic-gate commands(1, 1); 6257c478bd9Sstevel@tonic-gate 6267c478bd9Sstevel@tonic-gate /* now handle the -c argument: */ 6277c478bd9Sstevel@tonic-gate globp = savepat; 6287c478bd9Sstevel@tonic-gate commands(1, 1); 6297c478bd9Sstevel@tonic-gate inglobal = 0; 6307c478bd9Sstevel@tonic-gate globp = savepat = NULL; 6317c478bd9Sstevel@tonic-gate 6327c478bd9Sstevel@tonic-gate /* the above isn't sufficient for ex mode: */ 6337c478bd9Sstevel@tonic-gate if (!ivis) { 6347c478bd9Sstevel@tonic-gate setdot(); 6357c478bd9Sstevel@tonic-gate nonzero(); 6367c478bd9Sstevel@tonic-gate plines(addr1, addr2, 1); 6377c478bd9Sstevel@tonic-gate } 6387c478bd9Sstevel@tonic-gate } 6397c478bd9Sstevel@tonic-gate #endif /* XPG4 */ 6407c478bd9Sstevel@tonic-gate } else if (argc) 6417c478bd9Sstevel@tonic-gate globp = (unsigned char *)"next"; 6427c478bd9Sstevel@tonic-gate if (ivis) 6437c478bd9Sstevel@tonic-gate initev = globp; 6447c478bd9Sstevel@tonic-gate else if (globp) { 6457c478bd9Sstevel@tonic-gate inglobal = 1; 6467c478bd9Sstevel@tonic-gate commands(1, 1); 6477c478bd9Sstevel@tonic-gate inglobal = 0; 6487c478bd9Sstevel@tonic-gate } 6497c478bd9Sstevel@tonic-gate } 6507c478bd9Sstevel@tonic-gate 6517c478bd9Sstevel@tonic-gate /* 6527c478bd9Sstevel@tonic-gate * Vi command... go into visual. 6537c478bd9Sstevel@tonic-gate */ 6547c478bd9Sstevel@tonic-gate if (ivis) { 6557c478bd9Sstevel@tonic-gate /* 6567c478bd9Sstevel@tonic-gate * Don't have to be upward compatible 6577c478bd9Sstevel@tonic-gate * by starting editing at line $. 6587c478bd9Sstevel@tonic-gate */ 6597c478bd9Sstevel@tonic-gate #ifdef XPG4 6607c478bd9Sstevel@tonic-gate if (!itag && (dol > zero)) 6617c478bd9Sstevel@tonic-gate #else /* XPG4 */ 6627c478bd9Sstevel@tonic-gate if (dol > zero) 6637c478bd9Sstevel@tonic-gate #endif /* XPG4 */ 6647c478bd9Sstevel@tonic-gate dot = one; 6657c478bd9Sstevel@tonic-gate globp = (unsigned char *)"visual"; 6667c478bd9Sstevel@tonic-gate if (setexit() == 0) 6677c478bd9Sstevel@tonic-gate commands(1, 1); 6687c478bd9Sstevel@tonic-gate } 6697c478bd9Sstevel@tonic-gate 6707c478bd9Sstevel@tonic-gate /* 6717c478bd9Sstevel@tonic-gate * Clear out trash in state accumulated by startup, 6727c478bd9Sstevel@tonic-gate * and then do the main command loop for a normal edit. 6737c478bd9Sstevel@tonic-gate * If you quit out of a 'vi' command by doing Q or ^\, 6747c478bd9Sstevel@tonic-gate * you also fall through to here. 6757c478bd9Sstevel@tonic-gate */ 6767c478bd9Sstevel@tonic-gate seenprompt = 1; 6777c478bd9Sstevel@tonic-gate ungetchar(0); 6787c478bd9Sstevel@tonic-gate globp = 0; 6797c478bd9Sstevel@tonic-gate initev = 0; 6807c478bd9Sstevel@tonic-gate setlastchar('\n'); 6817c478bd9Sstevel@tonic-gate setexit(); 6827c478bd9Sstevel@tonic-gate commands(0, 0); 6837c478bd9Sstevel@tonic-gate cleanup(1); 684f6db9f27Scf return (errcnt); 6857c478bd9Sstevel@tonic-gate } 6867c478bd9Sstevel@tonic-gate 6877c478bd9Sstevel@tonic-gate /* 6887c478bd9Sstevel@tonic-gate * Initialization, before editing a new file. 6897c478bd9Sstevel@tonic-gate * Main thing here is to get a new buffer (in fileinit), 6907c478bd9Sstevel@tonic-gate * rest is peripheral state resetting. 6917c478bd9Sstevel@tonic-gate */ 692f6db9f27Scf void 693f6db9f27Scf init(void) 6947c478bd9Sstevel@tonic-gate { 695f6db9f27Scf int i; 6967c478bd9Sstevel@tonic-gate void (*pstat)(); 6977c478bd9Sstevel@tonic-gate fileinit(); 6987c478bd9Sstevel@tonic-gate dot = zero = truedol = unddol = dol = fendcore; 6997c478bd9Sstevel@tonic-gate one = zero+1; 7007c478bd9Sstevel@tonic-gate undkind = UNDNONE; 7017c478bd9Sstevel@tonic-gate chng = 0; 7027c478bd9Sstevel@tonic-gate edited = 0; 7037c478bd9Sstevel@tonic-gate for (i = 0; i <= 'z'-'a'+1; i++) 7047c478bd9Sstevel@tonic-gate names[i] = 1; 7057c478bd9Sstevel@tonic-gate anymarks = 0; 7067c478bd9Sstevel@tonic-gate if (xflag) { 7077c478bd9Sstevel@tonic-gate xtflag = 1; 7087c478bd9Sstevel@tonic-gate /* ignore SIGINT before crypt process */ 7097c478bd9Sstevel@tonic-gate pstat = signal(SIGINT, SIG_IGN); 7107c478bd9Sstevel@tonic-gate if (tpermflag) 7117c478bd9Sstevel@tonic-gate (void) crypt_close(tperm); 7127c478bd9Sstevel@tonic-gate tpermflag = 1; 7137c478bd9Sstevel@tonic-gate if (makekey(tperm) != 0) { 7147c478bd9Sstevel@tonic-gate xtflag = 0; 7157c478bd9Sstevel@tonic-gate smerror(gettext( 7167c478bd9Sstevel@tonic-gate "Warning--Cannot encrypt temporary buffer\n")); 7177c478bd9Sstevel@tonic-gate } 7187c478bd9Sstevel@tonic-gate signal(SIGINT, pstat); 7197c478bd9Sstevel@tonic-gate } 7207c478bd9Sstevel@tonic-gate } 7217c478bd9Sstevel@tonic-gate 7227c478bd9Sstevel@tonic-gate /* 7237c478bd9Sstevel@tonic-gate * Return last component of unix path name p. 7247c478bd9Sstevel@tonic-gate */ 7257c478bd9Sstevel@tonic-gate unsigned char * 7267c478bd9Sstevel@tonic-gate tailpath(p) 727f6db9f27Scf unsigned char *p; 7287c478bd9Sstevel@tonic-gate { 729f6db9f27Scf unsigned char *r; 7307c478bd9Sstevel@tonic-gate 7317c478bd9Sstevel@tonic-gate for (r = p; *p; p++) 7327c478bd9Sstevel@tonic-gate if (*p == '/') 7337c478bd9Sstevel@tonic-gate r = p+1; 7347c478bd9Sstevel@tonic-gate return (r); 7357c478bd9Sstevel@tonic-gate } 7367c478bd9Sstevel@tonic-gate 7377c478bd9Sstevel@tonic-gate 7387c478bd9Sstevel@tonic-gate /* 7397c478bd9Sstevel@tonic-gate * validate_exrc - verify .exrc as belonging to the user. 7407c478bd9Sstevel@tonic-gate * The file uid should match the process ruid, 7417c478bd9Sstevel@tonic-gate * and the file should be writable only by the owner. 7427c478bd9Sstevel@tonic-gate */ 7437c478bd9Sstevel@tonic-gate static int 7447c478bd9Sstevel@tonic-gate validate_exrc(unsigned char *exrc_path) 7457c478bd9Sstevel@tonic-gate { 7467c478bd9Sstevel@tonic-gate struct stat64 exrc_stat; 7477c478bd9Sstevel@tonic-gate int process_uid; 7487c478bd9Sstevel@tonic-gate 7497c478bd9Sstevel@tonic-gate if (stat64((char *)exrc_path, &exrc_stat) == -1) 7507c478bd9Sstevel@tonic-gate return (0); /* ignore if .exrec is not found */ 7517c478bd9Sstevel@tonic-gate process_uid = geteuid(); 7527c478bd9Sstevel@tonic-gate /* if not root, uid must match file owner */ 7537c478bd9Sstevel@tonic-gate if (process_uid && process_uid != exrc_stat.st_uid) 7547c478bd9Sstevel@tonic-gate return (-1); 7557c478bd9Sstevel@tonic-gate if ((exrc_stat.st_mode & (S_IWGRP | S_IWOTH)) != 0) 7567c478bd9Sstevel@tonic-gate return (-1); 7577c478bd9Sstevel@tonic-gate return (0); 7587c478bd9Sstevel@tonic-gate } 7597c478bd9Sstevel@tonic-gate 7607c478bd9Sstevel@tonic-gate /* 7617c478bd9Sstevel@tonic-gate * print usage message to stdout 7627c478bd9Sstevel@tonic-gate */ 7637c478bd9Sstevel@tonic-gate static void 7647c478bd9Sstevel@tonic-gate usage(unsigned char *name) 7657c478bd9Sstevel@tonic-gate { 7667c478bd9Sstevel@tonic-gate char buf[160]; 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate #ifdef TRACE 7697c478bd9Sstevel@tonic-gate (void) snprintf(buf, sizeof (buf), gettext( 770a1d23db4Sceastha "Usage: %s [- | -s] [-l] [-L] [-wn] " 771a1d23db4Sceastha "[-R] [-S] [-r [file]] [-t tag] [-T] [-U tracefile]\n" 772a1d23db4Sceastha "[-v] [-V] [-x] [-C] [+cmd | -c cmd] file...\n"), name); 7737c478bd9Sstevel@tonic-gate #else 7747c478bd9Sstevel@tonic-gate (void) snprintf(buf, sizeof (buf), gettext( 775a1d23db4Sceastha "Usage: %s [- | -s] [-l] [-L] [-wn] " 776a1d23db4Sceastha "[-R] [-S] [-r [file]] [-t tag]\n" 777a1d23db4Sceastha "[-v] [-V] [-x] [-C] [+cmd | -c cmd] file...\n"), name); 7787c478bd9Sstevel@tonic-gate #endif 7797c478bd9Sstevel@tonic-gate (void) write(2, buf, strlen(buf)); 7807c478bd9Sstevel@tonic-gate } 781