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 5fbac2b2bSvikram * Common Development and Distribution License (the "License"). 6fbac2b2bSvikram * 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 /* 22fbac2b2bSvikram * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * bootadm(1M) is a new utility for managing bootability of 307c478bd9Sstevel@tonic-gate * Solaris *Newboot* environments. It has two primary tasks: 317c478bd9Sstevel@tonic-gate * - Allow end users to manage bootability of Newboot Solaris instances 327c478bd9Sstevel@tonic-gate * - Provide services to other subsystems in Solaris (primarily Install) 337c478bd9Sstevel@tonic-gate */ 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* Headers */ 367c478bd9Sstevel@tonic-gate #include <stdio.h> 377c478bd9Sstevel@tonic-gate #include <errno.h> 387c478bd9Sstevel@tonic-gate #include <stdlib.h> 397c478bd9Sstevel@tonic-gate #include <string.h> 407c478bd9Sstevel@tonic-gate #include <unistd.h> 417c478bd9Sstevel@tonic-gate #include <sys/types.h> 427c478bd9Sstevel@tonic-gate #include <sys/stat.h> 437c478bd9Sstevel@tonic-gate #include <stdarg.h> 447c478bd9Sstevel@tonic-gate #include <limits.h> 457c478bd9Sstevel@tonic-gate #include <signal.h> 467c478bd9Sstevel@tonic-gate #include <sys/wait.h> 477c478bd9Sstevel@tonic-gate #include <sys/mnttab.h> 487c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 497c478bd9Sstevel@tonic-gate #include <libnvpair.h> 507c478bd9Sstevel@tonic-gate #include <ftw.h> 517c478bd9Sstevel@tonic-gate #include <fcntl.h> 527c478bd9Sstevel@tonic-gate #include <strings.h> 537c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 547c478bd9Sstevel@tonic-gate #include <sys/dktp/fdisk.h> 55*58091fd8Ssetje #include <sys/param.h> 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate #include <pwd.h> 587c478bd9Sstevel@tonic-gate #include <grp.h> 597c478bd9Sstevel@tonic-gate #include <device_info.h> 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate #include <libintl.h> 627c478bd9Sstevel@tonic-gate #include <locale.h> 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate #include <assert.h> 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #include "message.h" 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate #ifndef TEXT_DOMAIN 697c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SUNW_OST_OSCMD" 707c478bd9Sstevel@tonic-gate #endif /* TEXT_DOMAIN */ 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate /* Type definitions */ 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate /* Primary subcmds */ 757c478bd9Sstevel@tonic-gate typedef enum { 767c478bd9Sstevel@tonic-gate BAM_MENU = 3, 777c478bd9Sstevel@tonic-gate BAM_ARCHIVE 787c478bd9Sstevel@tonic-gate } subcmd_t; 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate /* GRUB menu per-line classification */ 817c478bd9Sstevel@tonic-gate typedef enum { 827c478bd9Sstevel@tonic-gate BAM_INVALID = 0, 837c478bd9Sstevel@tonic-gate BAM_EMPTY, 847c478bd9Sstevel@tonic-gate BAM_COMMENT, 857c478bd9Sstevel@tonic-gate BAM_GLOBAL, 867c478bd9Sstevel@tonic-gate BAM_ENTRY, 877c478bd9Sstevel@tonic-gate BAM_TITLE 887c478bd9Sstevel@tonic-gate } menu_flag_t; 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate /* struct for menu.lst contents */ 917c478bd9Sstevel@tonic-gate typedef struct line { 927c478bd9Sstevel@tonic-gate int lineNum; /* Line number in menu.lst */ 937c478bd9Sstevel@tonic-gate int entryNum; /* menu boot entry #. ENTRY_INIT if not applicable */ 947c478bd9Sstevel@tonic-gate char *cmd; 957c478bd9Sstevel@tonic-gate char *sep; 967c478bd9Sstevel@tonic-gate char *arg; 977c478bd9Sstevel@tonic-gate char *line; 987c478bd9Sstevel@tonic-gate menu_flag_t flags; 997c478bd9Sstevel@tonic-gate struct line *next; 1008c1b6884Sszhou struct line *prev; 1017c478bd9Sstevel@tonic-gate } line_t; 1027c478bd9Sstevel@tonic-gate 1038c1b6884Sszhou typedef struct entry { 1048c1b6884Sszhou struct entry *next; 1058c1b6884Sszhou struct entry *prev; 1068c1b6884Sszhou line_t *start; 1078c1b6884Sszhou line_t *end; 1088c1b6884Sszhou } entry_t; 1098c1b6884Sszhou 1107c478bd9Sstevel@tonic-gate typedef struct { 1117c478bd9Sstevel@tonic-gate line_t *start; 1127c478bd9Sstevel@tonic-gate line_t *end; 1138c1b6884Sszhou line_t *curdefault; /* line containing default */ 1148c1b6884Sszhou line_t *olddefault; /* old default line (commented) */ 1158c1b6884Sszhou entry_t *entries; /* os entries */ 1167c478bd9Sstevel@tonic-gate } menu_t; 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate typedef enum { 1197c478bd9Sstevel@tonic-gate OPT_ABSENT = 0, /* No option */ 1207c478bd9Sstevel@tonic-gate OPT_REQ, /* option required */ 1217c478bd9Sstevel@tonic-gate OPT_OPTIONAL /* option may or may not be present */ 1227c478bd9Sstevel@tonic-gate } option_t; 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate typedef enum { 125b610f78eSvikram BAM_ERROR = -1, /* Must be negative. add_boot_entry() depends on it */ 1267c478bd9Sstevel@tonic-gate BAM_SUCCESS = 0, 1277c478bd9Sstevel@tonic-gate BAM_WRITE = 2 1287c478bd9Sstevel@tonic-gate } error_t; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate typedef struct { 1317c478bd9Sstevel@tonic-gate char *subcmd; 1327c478bd9Sstevel@tonic-gate option_t option; 1337c478bd9Sstevel@tonic-gate error_t (*handler)(); 1341a97e40eSvikram int unpriv; /* is this an unprivileged command */ 1357c478bd9Sstevel@tonic-gate } subcmd_defn_t; 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate #define BAM_MAXLINE 8192 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate #define LINE_INIT 0 /* lineNum initial value */ 1417c478bd9Sstevel@tonic-gate #define ENTRY_INIT -1 /* entryNum initial value */ 1427c478bd9Sstevel@tonic-gate #define ALL_ENTRIES -2 /* selects all boot entries */ 1437c478bd9Sstevel@tonic-gate 1447c478bd9Sstevel@tonic-gate #define GRUB_DIR "/boot/grub" 1457c478bd9Sstevel@tonic-gate #define MULTI_BOOT "/platform/i86pc/multiboot" 1467c478bd9Sstevel@tonic-gate #define BOOT_ARCHIVE "/platform/i86pc/boot_archive" 1477c478bd9Sstevel@tonic-gate #define GRUB_MENU "/boot/grub/menu.lst" 1487c478bd9Sstevel@tonic-gate #define MENU_TMP "/boot/grub/menu.lst.tmp" 1497c478bd9Sstevel@tonic-gate #define RAMDISK_SPECIAL "/ramdisk" 15040541d5dSvikram #define STUBBOOT "/stubboot" 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate /* lock related */ 1537c478bd9Sstevel@tonic-gate #define BAM_LOCK_FILE "/var/run/bootadm.lock" 1547c478bd9Sstevel@tonic-gate #define LOCK_FILE_PERMS (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate #define CREATE_RAMDISK "/boot/solaris/bin/create_ramdisk" 1577c478bd9Sstevel@tonic-gate #define CREATE_DISKMAP "/boot/solaris/bin/create_diskmap" 1587c478bd9Sstevel@tonic-gate #define GRUBDISK_MAP "/var/run/solaris_grubdisk.map" 1597c478bd9Sstevel@tonic-gate 160b610f78eSvikram #define GRUB_slice "/etc/lu/GRUB_slice" 161b610f78eSvikram #define GRUB_root "/etc/lu/GRUB_root" 162b610f78eSvikram #define GRUB_backup_menu "/etc/lu/GRUB_backup_menu" 163b610f78eSvikram #define GRUB_slice_mntpt "/tmp/GRUB_slice_mntpt" 164b610f78eSvikram #define LU_ACTIVATE_FILE "/etc/lu/DelayUpdate/activate.sh" 165fbac2b2bSvikram #define GRUB_fdisk "/etc/lu/GRUB_fdisk" 166fbac2b2bSvikram #define GRUB_fdisk_target "/etc/lu/GRUB_fdisk_target" 167b610f78eSvikram 168b610f78eSvikram #define INSTALLGRUB "/sbin/installgrub" 169b610f78eSvikram #define STAGE1 "/boot/grub/stage1" 170b610f78eSvikram #define STAGE2 "/boot/grub/stage2" 171b610f78eSvikram 1727c478bd9Sstevel@tonic-gate /* 1737c478bd9Sstevel@tonic-gate * Default file attributes 1747c478bd9Sstevel@tonic-gate */ 1757c478bd9Sstevel@tonic-gate #define DEFAULT_DEV_MODE 0644 /* default permissions */ 1767c478bd9Sstevel@tonic-gate #define DEFAULT_DEV_UID 0 /* user root */ 1777c478bd9Sstevel@tonic-gate #define DEFAULT_DEV_GID 3 /* group sys */ 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate /* 1807c478bd9Sstevel@tonic-gate * Menu related 1817c478bd9Sstevel@tonic-gate * menu_cmd_t and menu_cmds must be kept in sync 1827c478bd9Sstevel@tonic-gate */ 1837c478bd9Sstevel@tonic-gate typedef enum { 1847c478bd9Sstevel@tonic-gate DEFAULT_CMD = 0, 1857c478bd9Sstevel@tonic-gate TIMEOUT_CMD, 1867c478bd9Sstevel@tonic-gate TITLE_CMD, 1877c478bd9Sstevel@tonic-gate ROOT_CMD, 1887c478bd9Sstevel@tonic-gate KERNEL_CMD, 1897c478bd9Sstevel@tonic-gate MODULE_CMD, 1907c478bd9Sstevel@tonic-gate SEP_CMD, 1917c478bd9Sstevel@tonic-gate COMMENT_CMD 1927c478bd9Sstevel@tonic-gate } menu_cmd_t; 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate static char *menu_cmds[] = { 1957c478bd9Sstevel@tonic-gate "default", /* DEFAULT_CMD */ 1967c478bd9Sstevel@tonic-gate "timeout", /* TIMEOUT_CMD */ 1977c478bd9Sstevel@tonic-gate "title", /* TITLE_CMD */ 1987c478bd9Sstevel@tonic-gate "root", /* ROOT_CMD */ 1997c478bd9Sstevel@tonic-gate "kernel", /* KERNEL_CMD */ 2007c478bd9Sstevel@tonic-gate "module", /* MODULE_CMD */ 2017c478bd9Sstevel@tonic-gate " ", /* SEP_CMD */ 2027c478bd9Sstevel@tonic-gate "#", /* COMMENT_CMD */ 2037c478bd9Sstevel@tonic-gate NULL 2047c478bd9Sstevel@tonic-gate }; 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate #define OPT_ENTRY_NUM "entry" 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate /* 2097c478bd9Sstevel@tonic-gate * archive related 2107c478bd9Sstevel@tonic-gate */ 2117c478bd9Sstevel@tonic-gate typedef struct { 2127c478bd9Sstevel@tonic-gate line_t *head; 2137c478bd9Sstevel@tonic-gate line_t *tail; 2147c478bd9Sstevel@tonic-gate } filelist_t; 2157c478bd9Sstevel@tonic-gate 2167c478bd9Sstevel@tonic-gate #define BOOT_FILE_LIST "boot/solaris/filelist.ramdisk" 2177c478bd9Sstevel@tonic-gate #define ETC_FILE_LIST "etc/boot/solaris/filelist.ramdisk" 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate #define FILE_STAT "boot/solaris/filestat.ramdisk" 2207c478bd9Sstevel@tonic-gate #define FILE_STAT_TMP "boot/solaris/filestat.ramdisk.tmp" 2217c478bd9Sstevel@tonic-gate #define DIR_PERMS (S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) 2227c478bd9Sstevel@tonic-gate #define FILE_STAT_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) 2237c478bd9Sstevel@tonic-gate 2247c478bd9Sstevel@tonic-gate #define BAM_HDR "---------- ADDED BY BOOTADM - DO NOT EDIT ----------" 2257c478bd9Sstevel@tonic-gate #define BAM_FTR "---------------------END BOOTADM--------------------" 2268c1b6884Sszhou #define BAM_OLDDEF "BOOTADM SAVED DEFAULT: " 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate /* Globals */ 2297c478bd9Sstevel@tonic-gate static char *prog; 2307c478bd9Sstevel@tonic-gate static subcmd_t bam_cmd; 2317c478bd9Sstevel@tonic-gate static char *bam_root; 2327c478bd9Sstevel@tonic-gate static int bam_rootlen; 2337c478bd9Sstevel@tonic-gate static int bam_root_readonly; 23440541d5dSvikram static int bam_alt_root; 2357c478bd9Sstevel@tonic-gate static char *bam_subcmd; 2367c478bd9Sstevel@tonic-gate static char *bam_opt; 2377c478bd9Sstevel@tonic-gate static int bam_debug; 2387c478bd9Sstevel@tonic-gate static char **bam_argv; 2397c478bd9Sstevel@tonic-gate static int bam_argc; 2407c478bd9Sstevel@tonic-gate static int bam_force; 2417c478bd9Sstevel@tonic-gate static int bam_verbose; 2427c478bd9Sstevel@tonic-gate static int bam_check; 2437c478bd9Sstevel@tonic-gate static int bam_smf_check; 2447c478bd9Sstevel@tonic-gate static int bam_lock_fd = -1; 2457c478bd9Sstevel@tonic-gate static char rootbuf[PATH_MAX] = "/"; 246b610f78eSvikram static int bam_update_all; 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate /* function prototypes */ 2497c478bd9Sstevel@tonic-gate static void parse_args_internal(int argc, char *argv[]); 2507c478bd9Sstevel@tonic-gate static void parse_args(int argc, char *argv[]); 2517c478bd9Sstevel@tonic-gate static error_t bam_menu(char *subcmd, char *opt, int argc, char *argv[]); 2527c478bd9Sstevel@tonic-gate static error_t bam_archive(char *subcmd, char *opt); 2537c478bd9Sstevel@tonic-gate 2547c478bd9Sstevel@tonic-gate static void bam_error(char *format, ...); 2557c478bd9Sstevel@tonic-gate static void bam_print(char *format, ...); 2567c478bd9Sstevel@tonic-gate static void bam_exit(int excode); 2577c478bd9Sstevel@tonic-gate static void bam_lock(void); 2587c478bd9Sstevel@tonic-gate static void bam_unlock(void); 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate static int exec_cmd(char *cmdline, char *output, int64_t osize); 2617c478bd9Sstevel@tonic-gate static error_t read_globals(menu_t *mp, char *menu_path, 2627c478bd9Sstevel@tonic-gate char *globalcmd, int quiet); 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate static menu_t *menu_read(char *menu_path); 2657c478bd9Sstevel@tonic-gate static error_t menu_write(char *root, menu_t *mp); 2667c478bd9Sstevel@tonic-gate static void linelist_free(line_t *start); 2677c478bd9Sstevel@tonic-gate static void menu_free(menu_t *mp); 2687c478bd9Sstevel@tonic-gate static void line_free(line_t *lp); 2697c478bd9Sstevel@tonic-gate static void filelist_free(filelist_t *flistp); 2707c478bd9Sstevel@tonic-gate static error_t list2file(char *root, char *tmp, 2717c478bd9Sstevel@tonic-gate char *final, line_t *start); 2727c478bd9Sstevel@tonic-gate static error_t list_entry(menu_t *mp, char *menu_path, char *opt); 2737c478bd9Sstevel@tonic-gate static error_t delete_all_entries(menu_t *mp, char *menu_path, char *opt); 2747c478bd9Sstevel@tonic-gate static error_t update_entry(menu_t *mp, char *root, char *opt); 2757c478bd9Sstevel@tonic-gate static error_t update_temp(menu_t *mp, char *root, char *opt); 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate static error_t update_archive(char *root, char *opt); 2787c478bd9Sstevel@tonic-gate static error_t list_archive(char *root, char *opt); 2797c478bd9Sstevel@tonic-gate static error_t update_all(char *root, char *opt); 2807c478bd9Sstevel@tonic-gate static error_t read_list(char *root, filelist_t *flistp); 2817c478bd9Sstevel@tonic-gate static error_t set_global(menu_t *mp, char *globalcmd, int val); 2827c478bd9Sstevel@tonic-gate static error_t set_option(menu_t *mp, char *globalcmd, char *opt); 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate static long s_strtol(char *str); 2857c478bd9Sstevel@tonic-gate static char *s_fgets(char *buf, int n, FILE *fp); 2867c478bd9Sstevel@tonic-gate static int s_fputs(char *str, FILE *fp); 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate static void *s_calloc(size_t nelem, size_t sz); 2897c478bd9Sstevel@tonic-gate static char *s_strdup(char *str); 2907c478bd9Sstevel@tonic-gate static int is_readonly(char *); 2917c478bd9Sstevel@tonic-gate static int is_amd64(void); 2927c478bd9Sstevel@tonic-gate static void append_to_flist(filelist_t *, char *); 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate #if defined(__sparc) 2957c478bd9Sstevel@tonic-gate static void sparc_abort(void); 2967c478bd9Sstevel@tonic-gate #endif 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* Menu related sub commands */ 2997c478bd9Sstevel@tonic-gate static subcmd_defn_t menu_subcmds[] = { 3001a97e40eSvikram "set_option", OPT_OPTIONAL, set_option, 0, /* PUB */ 3011a97e40eSvikram "list_entry", OPT_OPTIONAL, list_entry, 1, /* PUB */ 3021a97e40eSvikram "delete_all_entries", OPT_ABSENT, delete_all_entries, 0, /* PVT */ 3031a97e40eSvikram "update_entry", OPT_REQ, update_entry, 0, /* menu */ 3041a97e40eSvikram "update_temp", OPT_OPTIONAL, update_temp, 0, /* reboot */ 3051a97e40eSvikram NULL, 0, NULL, 0 /* must be last */ 3067c478bd9Sstevel@tonic-gate }; 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate /* Archive related sub commands */ 3097c478bd9Sstevel@tonic-gate static subcmd_defn_t arch_subcmds[] = { 3101a97e40eSvikram "update", OPT_ABSENT, update_archive, 0, /* PUB */ 3111a97e40eSvikram "update_all", OPT_ABSENT, update_all, 0, /* PVT */ 3121a97e40eSvikram "list", OPT_OPTIONAL, list_archive, 1, /* PUB */ 3131a97e40eSvikram NULL, 0, NULL, 0 /* must be last */ 3147c478bd9Sstevel@tonic-gate }; 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate static struct { 3177c478bd9Sstevel@tonic-gate nvlist_t *new_nvlp; 3187c478bd9Sstevel@tonic-gate nvlist_t *old_nvlp; 3197c478bd9Sstevel@tonic-gate int need_update; 3207c478bd9Sstevel@tonic-gate } walk_arg; 3217c478bd9Sstevel@tonic-gate 322*58091fd8Ssetje 323*58091fd8Ssetje static struct safefile { 324*58091fd8Ssetje char *name; 325*58091fd8Ssetje struct safefile *next; 326*58091fd8Ssetje }; 327*58091fd8Ssetje 328*58091fd8Ssetje struct safefile *safefiles = NULL; 329*58091fd8Ssetje #define NEED_UPDATE_FILE "/etc/svc/volatile/boot_archive_needs_update" 330*58091fd8Ssetje 3317c478bd9Sstevel@tonic-gate static void 3327c478bd9Sstevel@tonic-gate usage(void) 3337c478bd9Sstevel@tonic-gate { 3347c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "USAGE:\n"); 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate /* archive usage */ 3387c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "\t%s update-archive [-vn] [-R altroot]\n", 3397c478bd9Sstevel@tonic-gate prog); 3407c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "\t%s list-archive [-R altroot]\n", prog); 3417c478bd9Sstevel@tonic-gate #ifndef __sparc 3427c478bd9Sstevel@tonic-gate /* x86 only */ 3437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "\t%s set-menu [-R altroot] key=value\n", prog); 3447c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "\t%s list-menu [-R altroot]\n", prog); 3457c478bd9Sstevel@tonic-gate #endif 3467c478bd9Sstevel@tonic-gate } 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate int 3497c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 3507c478bd9Sstevel@tonic-gate { 3517c478bd9Sstevel@tonic-gate error_t ret; 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 3547c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 3577c478bd9Sstevel@tonic-gate prog = argv[0]; 3587c478bd9Sstevel@tonic-gate } else { 3597c478bd9Sstevel@tonic-gate prog++; 3607c478bd9Sstevel@tonic-gate } 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate /* 3647c478bd9Sstevel@tonic-gate * Don't depend on caller's umask 3657c478bd9Sstevel@tonic-gate */ 3667c478bd9Sstevel@tonic-gate (void) umask(0022); 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate parse_args(argc, argv); 3697c478bd9Sstevel@tonic-gate 3707c478bd9Sstevel@tonic-gate #if defined(__sparc) 3717c478bd9Sstevel@tonic-gate /* 3727c478bd9Sstevel@tonic-gate * There are only two valid invocations of bootadm 3737c478bd9Sstevel@tonic-gate * on SPARC: 3747c478bd9Sstevel@tonic-gate * 3757c478bd9Sstevel@tonic-gate * - SPARC diskless server creating boot_archive for i386 clients 3767c478bd9Sstevel@tonic-gate * - archive creation call during reboot of a SPARC system 3777c478bd9Sstevel@tonic-gate * 3787c478bd9Sstevel@tonic-gate * The latter should be a NOP 3797c478bd9Sstevel@tonic-gate */ 3807c478bd9Sstevel@tonic-gate if (bam_cmd != BAM_ARCHIVE) { 3817c478bd9Sstevel@tonic-gate sparc_abort(); 3827c478bd9Sstevel@tonic-gate } 3837c478bd9Sstevel@tonic-gate #endif 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate switch (bam_cmd) { 3867c478bd9Sstevel@tonic-gate case BAM_MENU: 3877c478bd9Sstevel@tonic-gate ret = bam_menu(bam_subcmd, bam_opt, bam_argc, bam_argv); 3887c478bd9Sstevel@tonic-gate break; 3897c478bd9Sstevel@tonic-gate case BAM_ARCHIVE: 3907c478bd9Sstevel@tonic-gate ret = bam_archive(bam_subcmd, bam_opt); 3917c478bd9Sstevel@tonic-gate break; 3927c478bd9Sstevel@tonic-gate default: 3937c478bd9Sstevel@tonic-gate usage(); 3947c478bd9Sstevel@tonic-gate bam_exit(1); 3957c478bd9Sstevel@tonic-gate } 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate if (ret != BAM_SUCCESS) 3987c478bd9Sstevel@tonic-gate bam_exit(1); 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate bam_unlock(); 4017c478bd9Sstevel@tonic-gate return (0); 4027c478bd9Sstevel@tonic-gate } 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate #if defined(__sparc) 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate static void 4077c478bd9Sstevel@tonic-gate sparc_abort(void) 4087c478bd9Sstevel@tonic-gate { 4097c478bd9Sstevel@tonic-gate bam_error(NOT_ON_SPARC); 4107c478bd9Sstevel@tonic-gate bam_exit(1); 4117c478bd9Sstevel@tonic-gate } 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate #endif 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate /* 4167c478bd9Sstevel@tonic-gate * Equivalence of public and internal commands: 4177c478bd9Sstevel@tonic-gate * update-archive -- -a update 4187c478bd9Sstevel@tonic-gate * list-archive -- -a list 4197c478bd9Sstevel@tonic-gate * set-menu -- -m set_option 4207c478bd9Sstevel@tonic-gate * list-menu -- -m list_entry 4217c478bd9Sstevel@tonic-gate * update-menu -- -m update_entry 4227c478bd9Sstevel@tonic-gate */ 4237c478bd9Sstevel@tonic-gate static struct cmd_map { 4247c478bd9Sstevel@tonic-gate char *bam_cmdname; 4257c478bd9Sstevel@tonic-gate int bam_cmd; 4267c478bd9Sstevel@tonic-gate char *bam_subcmd; 4277c478bd9Sstevel@tonic-gate } cmd_map[] = { 4287c478bd9Sstevel@tonic-gate { "update-archive", BAM_ARCHIVE, "update"}, 4297c478bd9Sstevel@tonic-gate { "list-archive", BAM_ARCHIVE, "list"}, 4307c478bd9Sstevel@tonic-gate { "set-menu", BAM_MENU, "set_option"}, 4317c478bd9Sstevel@tonic-gate { "list-menu", BAM_MENU, "list_entry"}, 4327c478bd9Sstevel@tonic-gate { "update-menu", BAM_MENU, "update_entry"}, 4337c478bd9Sstevel@tonic-gate { NULL, 0, NULL} 4347c478bd9Sstevel@tonic-gate }; 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate /* 4377c478bd9Sstevel@tonic-gate * Commands syntax published in bootadm(1M) are parsed here 4387c478bd9Sstevel@tonic-gate */ 4397c478bd9Sstevel@tonic-gate static void 4407c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 4417c478bd9Sstevel@tonic-gate { 4427c478bd9Sstevel@tonic-gate struct cmd_map *cmp = cmd_map; 4437c478bd9Sstevel@tonic-gate 4447c478bd9Sstevel@tonic-gate /* command conforming to the final spec */ 4457c478bd9Sstevel@tonic-gate if (argc > 1 && argv[1][0] != '-') { 4467c478bd9Sstevel@tonic-gate /* 4477c478bd9Sstevel@tonic-gate * Map commands to internal table. 4487c478bd9Sstevel@tonic-gate */ 4497c478bd9Sstevel@tonic-gate while (cmp->bam_cmdname) { 4507c478bd9Sstevel@tonic-gate if (strcmp(argv[1], cmp->bam_cmdname) == 0) { 4517c478bd9Sstevel@tonic-gate bam_cmd = cmp->bam_cmd; 4527c478bd9Sstevel@tonic-gate bam_subcmd = cmp->bam_subcmd; 4537c478bd9Sstevel@tonic-gate break; 4547c478bd9Sstevel@tonic-gate } 4557c478bd9Sstevel@tonic-gate cmp++; 4567c478bd9Sstevel@tonic-gate } 4577c478bd9Sstevel@tonic-gate if (cmp->bam_cmdname == NULL) { 4587c478bd9Sstevel@tonic-gate usage(); 4597c478bd9Sstevel@tonic-gate bam_exit(1); 4607c478bd9Sstevel@tonic-gate } 4617c478bd9Sstevel@tonic-gate argc--; 4627c478bd9Sstevel@tonic-gate argv++; 4637c478bd9Sstevel@tonic-gate } 4647c478bd9Sstevel@tonic-gate 4657c478bd9Sstevel@tonic-gate parse_args_internal(argc, argv); 4667c478bd9Sstevel@tonic-gate } 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate /* 4697c478bd9Sstevel@tonic-gate * A combination of public and private commands are parsed here. 4707c478bd9Sstevel@tonic-gate * The internal syntax and the corresponding functionality are: 4717c478bd9Sstevel@tonic-gate * -a update -- update-archive 4727c478bd9Sstevel@tonic-gate * -a list -- list-archive 4737c478bd9Sstevel@tonic-gate * -a update-all -- (reboot to sync all mounted OS archive) 4747c478bd9Sstevel@tonic-gate * -m update_entry -- update-menu 4757c478bd9Sstevel@tonic-gate * -m list_entry -- list-menu 4767c478bd9Sstevel@tonic-gate * -m update_temp -- (reboot -- [boot-args]) 4777c478bd9Sstevel@tonic-gate * -m delete_all_entries -- (called from install) 4787c478bd9Sstevel@tonic-gate */ 4797c478bd9Sstevel@tonic-gate static void 4807c478bd9Sstevel@tonic-gate parse_args_internal(int argc, char *argv[]) 4817c478bd9Sstevel@tonic-gate { 4827c478bd9Sstevel@tonic-gate int c, error; 4837c478bd9Sstevel@tonic-gate extern char *optarg; 4847c478bd9Sstevel@tonic-gate extern int optind, opterr; 4857c478bd9Sstevel@tonic-gate 4867c478bd9Sstevel@tonic-gate /* Suppress error message from getopt */ 4877c478bd9Sstevel@tonic-gate opterr = 0; 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate error = 0; 4908c1b6884Sszhou while ((c = getopt(argc, argv, "a:d:fm:no:vCR:")) != -1) { 4917c478bd9Sstevel@tonic-gate switch (c) { 4927c478bd9Sstevel@tonic-gate case 'a': 4937c478bd9Sstevel@tonic-gate if (bam_cmd) { 4947c478bd9Sstevel@tonic-gate error = 1; 4957c478bd9Sstevel@tonic-gate bam_error(MULT_CMDS, c); 4967c478bd9Sstevel@tonic-gate } 4977c478bd9Sstevel@tonic-gate bam_cmd = BAM_ARCHIVE; 4987c478bd9Sstevel@tonic-gate bam_subcmd = optarg; 4997c478bd9Sstevel@tonic-gate break; 5007c478bd9Sstevel@tonic-gate case 'd': 5017c478bd9Sstevel@tonic-gate if (bam_debug) { 5027c478bd9Sstevel@tonic-gate error = 1; 5037c478bd9Sstevel@tonic-gate bam_error(DUP_OPT, c); 5047c478bd9Sstevel@tonic-gate } 5057c478bd9Sstevel@tonic-gate bam_debug = s_strtol(optarg); 5067c478bd9Sstevel@tonic-gate break; 5077c478bd9Sstevel@tonic-gate case 'f': 5087c478bd9Sstevel@tonic-gate if (bam_force) { 5097c478bd9Sstevel@tonic-gate error = 1; 5107c478bd9Sstevel@tonic-gate bam_error(DUP_OPT, c); 5117c478bd9Sstevel@tonic-gate } 5127c478bd9Sstevel@tonic-gate bam_force = 1; 5137c478bd9Sstevel@tonic-gate break; 5147c478bd9Sstevel@tonic-gate case 'm': 5157c478bd9Sstevel@tonic-gate if (bam_cmd) { 5167c478bd9Sstevel@tonic-gate error = 1; 5177c478bd9Sstevel@tonic-gate bam_error(MULT_CMDS, c); 5187c478bd9Sstevel@tonic-gate } 5197c478bd9Sstevel@tonic-gate bam_cmd = BAM_MENU; 5207c478bd9Sstevel@tonic-gate bam_subcmd = optarg; 5217c478bd9Sstevel@tonic-gate break; 5227c478bd9Sstevel@tonic-gate case 'n': 5237c478bd9Sstevel@tonic-gate if (bam_check) { 5247c478bd9Sstevel@tonic-gate error = 1; 5257c478bd9Sstevel@tonic-gate bam_error(DUP_OPT, c); 5267c478bd9Sstevel@tonic-gate } 5277c478bd9Sstevel@tonic-gate bam_check = 1; 5287c478bd9Sstevel@tonic-gate break; 5297c478bd9Sstevel@tonic-gate case 'o': 5307c478bd9Sstevel@tonic-gate if (bam_opt) { 5317c478bd9Sstevel@tonic-gate error = 1; 5327c478bd9Sstevel@tonic-gate bam_error(DUP_OPT, c); 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate bam_opt = optarg; 5357c478bd9Sstevel@tonic-gate break; 5367c478bd9Sstevel@tonic-gate case 'v': 5377c478bd9Sstevel@tonic-gate if (bam_verbose) { 5387c478bd9Sstevel@tonic-gate error = 1; 5397c478bd9Sstevel@tonic-gate bam_error(DUP_OPT, c); 5407c478bd9Sstevel@tonic-gate } 5417c478bd9Sstevel@tonic-gate bam_verbose = 1; 5427c478bd9Sstevel@tonic-gate break; 5438c1b6884Sszhou case 'C': 5448c1b6884Sszhou bam_smf_check = 1; 5458c1b6884Sszhou break; 5467c478bd9Sstevel@tonic-gate case 'R': 5477c478bd9Sstevel@tonic-gate if (bam_root) { 5487c478bd9Sstevel@tonic-gate error = 1; 5497c478bd9Sstevel@tonic-gate bam_error(DUP_OPT, c); 5507c478bd9Sstevel@tonic-gate break; 5517c478bd9Sstevel@tonic-gate } else if (realpath(optarg, rootbuf) == NULL) { 5527c478bd9Sstevel@tonic-gate error = 1; 5537c478bd9Sstevel@tonic-gate bam_error(CANT_RESOLVE, optarg, 5547c478bd9Sstevel@tonic-gate strerror(errno)); 5557c478bd9Sstevel@tonic-gate break; 5567c478bd9Sstevel@tonic-gate } 55740541d5dSvikram bam_alt_root = 1; 5587c478bd9Sstevel@tonic-gate bam_root = rootbuf; 5597c478bd9Sstevel@tonic-gate bam_rootlen = strlen(rootbuf); 5607c478bd9Sstevel@tonic-gate break; 5617c478bd9Sstevel@tonic-gate case '?': 5627c478bd9Sstevel@tonic-gate error = 1; 5637c478bd9Sstevel@tonic-gate bam_error(BAD_OPT, optopt); 5647c478bd9Sstevel@tonic-gate break; 5657c478bd9Sstevel@tonic-gate default : 5667c478bd9Sstevel@tonic-gate error = 1; 5677c478bd9Sstevel@tonic-gate bam_error(BAD_OPT, c); 5687c478bd9Sstevel@tonic-gate break; 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate } 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate /* 5737c478bd9Sstevel@tonic-gate * A command option must be specfied 5747c478bd9Sstevel@tonic-gate */ 5757c478bd9Sstevel@tonic-gate if (!bam_cmd) { 5767c478bd9Sstevel@tonic-gate if (bam_opt && strcmp(bam_opt, "all") == 0) { 5777c478bd9Sstevel@tonic-gate usage(); 5787c478bd9Sstevel@tonic-gate bam_exit(0); 5797c478bd9Sstevel@tonic-gate } 5807c478bd9Sstevel@tonic-gate bam_error(NEED_CMD); 5817c478bd9Sstevel@tonic-gate error = 1; 5827c478bd9Sstevel@tonic-gate } 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate if (error) { 5857c478bd9Sstevel@tonic-gate usage(); 5867c478bd9Sstevel@tonic-gate bam_exit(1); 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate if (optind > argc) { 5907c478bd9Sstevel@tonic-gate bam_error(INT_ERROR, "parse_args"); 5917c478bd9Sstevel@tonic-gate bam_exit(1); 5927c478bd9Sstevel@tonic-gate } else if (optind < argc) { 5937c478bd9Sstevel@tonic-gate bam_argv = &argv[optind]; 5947c478bd9Sstevel@tonic-gate bam_argc = argc - optind; 5957c478bd9Sstevel@tonic-gate } 5967c478bd9Sstevel@tonic-gate 5977c478bd9Sstevel@tonic-gate /* 5987c478bd9Sstevel@tonic-gate * -n implies verbose mode 5997c478bd9Sstevel@tonic-gate */ 6007c478bd9Sstevel@tonic-gate if (bam_check) 6017c478bd9Sstevel@tonic-gate bam_verbose = 1; 6027c478bd9Sstevel@tonic-gate } 6037c478bd9Sstevel@tonic-gate 6047c478bd9Sstevel@tonic-gate static error_t 6057c478bd9Sstevel@tonic-gate check_subcmd_and_options( 6067c478bd9Sstevel@tonic-gate char *subcmd, 6077c478bd9Sstevel@tonic-gate char *opt, 6087c478bd9Sstevel@tonic-gate subcmd_defn_t *table, 6097c478bd9Sstevel@tonic-gate error_t (**fp)()) 6107c478bd9Sstevel@tonic-gate { 6117c478bd9Sstevel@tonic-gate int i; 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate if (subcmd == NULL) { 6147c478bd9Sstevel@tonic-gate bam_error(NEED_SUBCMD); 6157c478bd9Sstevel@tonic-gate return (BAM_ERROR); 6167c478bd9Sstevel@tonic-gate } 6177c478bd9Sstevel@tonic-gate 6181a97e40eSvikram if (bam_argc != 0 || bam_argv) { 6191a97e40eSvikram if (strcmp(subcmd, "set_option") != 0 || bam_argc != 1) { 6201a97e40eSvikram bam_error(TRAILING_ARGS); 6211a97e40eSvikram usage(); 6221a97e40eSvikram return (BAM_ERROR); 6231a97e40eSvikram } 6241a97e40eSvikram } 6251a97e40eSvikram 6267c478bd9Sstevel@tonic-gate if (bam_root == NULL) { 6277c478bd9Sstevel@tonic-gate bam_root = rootbuf; 6287c478bd9Sstevel@tonic-gate bam_rootlen = 1; 6297c478bd9Sstevel@tonic-gate } 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate /* verify that subcmd is valid */ 6327c478bd9Sstevel@tonic-gate for (i = 0; table[i].subcmd != NULL; i++) { 6337c478bd9Sstevel@tonic-gate if (strcmp(table[i].subcmd, subcmd) == 0) 6347c478bd9Sstevel@tonic-gate break; 6357c478bd9Sstevel@tonic-gate } 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate if (table[i].subcmd == NULL) { 6387c478bd9Sstevel@tonic-gate bam_error(INVALID_SUBCMD, subcmd); 6397c478bd9Sstevel@tonic-gate return (BAM_ERROR); 6407c478bd9Sstevel@tonic-gate } 6417c478bd9Sstevel@tonic-gate 6421a97e40eSvikram if (table[i].unpriv == 0 && geteuid() != 0) { 6431a97e40eSvikram bam_error(MUST_BE_ROOT); 6441a97e40eSvikram return (BAM_ERROR); 6451a97e40eSvikram } 6461a97e40eSvikram 6471a97e40eSvikram /* 6481a97e40eSvikram * Currently only privileged commands need a lock 6491a97e40eSvikram */ 6501a97e40eSvikram if (table[i].unpriv == 0) 6511a97e40eSvikram bam_lock(); 6521a97e40eSvikram 6537c478bd9Sstevel@tonic-gate /* subcmd verifies that opt is appropriate */ 6547c478bd9Sstevel@tonic-gate if (table[i].option != OPT_OPTIONAL) { 6557c478bd9Sstevel@tonic-gate if ((table[i].option == OPT_REQ) ^ (opt != NULL)) { 6567c478bd9Sstevel@tonic-gate if (opt) 6577c478bd9Sstevel@tonic-gate bam_error(NO_OPT_REQ, subcmd); 6587c478bd9Sstevel@tonic-gate else 6597c478bd9Sstevel@tonic-gate bam_error(MISS_OPT, subcmd); 6607c478bd9Sstevel@tonic-gate return (BAM_ERROR); 6617c478bd9Sstevel@tonic-gate } 6627c478bd9Sstevel@tonic-gate } 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate *fp = table[i].handler; 6657c478bd9Sstevel@tonic-gate 6667c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 6677c478bd9Sstevel@tonic-gate } 6687c478bd9Sstevel@tonic-gate 669b610f78eSvikram 670b610f78eSvikram static char * 67140541d5dSvikram mount_grub_slice(int *mnted, char **physlice, char **logslice, char **fs_type) 672b610f78eSvikram { 673b610f78eSvikram struct extmnttab mnt; 674b610f78eSvikram struct stat sb; 675b610f78eSvikram char buf[BAM_MAXLINE], dev[PATH_MAX], phys[PATH_MAX], fstype[32]; 676f0f2c544Svikram char cmd[PATH_MAX]; 677b610f78eSvikram char *mntpt; 678b610f78eSvikram int p, l, f; 679b610f78eSvikram FILE *fp; 680b610f78eSvikram 681b610f78eSvikram assert(mnted); 682b610f78eSvikram *mnted = 0; 683b610f78eSvikram 684b610f78eSvikram /* 68540541d5dSvikram * physlice, logslice, fs_type args may be NULL 686b610f78eSvikram */ 687b610f78eSvikram if (physlice) 688b610f78eSvikram *physlice = NULL; 68940541d5dSvikram if (logslice) 69040541d5dSvikram *logslice = NULL; 69140541d5dSvikram if (fs_type) 69240541d5dSvikram *fs_type = NULL; 693b610f78eSvikram 694b610f78eSvikram if (stat(GRUB_slice, &sb) != 0) { 695b610f78eSvikram bam_error(MISSING_SLICE_FILE, GRUB_slice, strerror(errno)); 696b610f78eSvikram return (NULL); 697b610f78eSvikram } 698b610f78eSvikram 699b610f78eSvikram fp = fopen(GRUB_slice, "r"); 700b610f78eSvikram if (fp == NULL) { 701b610f78eSvikram bam_error(OPEN_FAIL, GRUB_slice, strerror(errno)); 702b610f78eSvikram return (NULL); 703b610f78eSvikram } 704b610f78eSvikram 705b610f78eSvikram dev[0] = fstype[0] = phys[0] = '\0'; 706b610f78eSvikram p = sizeof ("PHYS_SLICE=") - 1; 707b610f78eSvikram l = sizeof ("LOG_SLICE=") - 1; 708b610f78eSvikram f = sizeof ("LOG_FSTYP=") - 1; 709b610f78eSvikram while (s_fgets(buf, sizeof (buf), fp) != NULL) { 710b610f78eSvikram if (strncmp(buf, "PHYS_SLICE=", p) == 0) { 711b610f78eSvikram (void) strlcpy(phys, buf + p, sizeof (phys)); 712b610f78eSvikram continue; 713b610f78eSvikram } 714b610f78eSvikram if (strncmp(buf, "LOG_SLICE=", l) == 0) { 715b610f78eSvikram (void) strlcpy(dev, buf + l, sizeof (dev)); 716b610f78eSvikram continue; 717b610f78eSvikram } 718b610f78eSvikram if (strncmp(buf, "LOG_FSTYP=", f) == 0) { 719b610f78eSvikram (void) strlcpy(fstype, buf + f, sizeof (fstype)); 720b610f78eSvikram continue; 721b610f78eSvikram } 722b610f78eSvikram } 723b610f78eSvikram (void) fclose(fp); 724b610f78eSvikram 725b610f78eSvikram if (dev[0] == '\0' || fstype[0] == '\0' || phys[0] == '\0') { 726b610f78eSvikram bam_error(BAD_SLICE_FILE, GRUB_slice); 727b610f78eSvikram return (NULL); 728b610f78eSvikram } 729b610f78eSvikram 730b610f78eSvikram if (physlice) { 731b610f78eSvikram *physlice = s_strdup(phys); 732b610f78eSvikram } 73340541d5dSvikram if (logslice) { 73440541d5dSvikram *logslice = s_strdup(dev); 73540541d5dSvikram } 73640541d5dSvikram if (fs_type) { 73740541d5dSvikram *fs_type = s_strdup(fstype); 73840541d5dSvikram } 739b610f78eSvikram 740b610f78eSvikram /* 741b610f78eSvikram * Check if the slice is already mounted 742b610f78eSvikram */ 743b610f78eSvikram fp = fopen(MNTTAB, "r"); 744b610f78eSvikram if (fp == NULL) { 745b610f78eSvikram bam_error(OPEN_FAIL, MNTTAB, strerror(errno)); 74640541d5dSvikram goto error; 747b610f78eSvikram } 748b610f78eSvikram 749b610f78eSvikram resetmnttab(fp); 750b610f78eSvikram 751b610f78eSvikram mntpt = NULL; 752b610f78eSvikram while (getextmntent(fp, &mnt, sizeof (mnt)) == 0) { 753b610f78eSvikram if (strcmp(mnt.mnt_special, dev) == 0) { 754b610f78eSvikram mntpt = s_strdup(mnt.mnt_mountp); 755b610f78eSvikram break; 756b610f78eSvikram } 757b610f78eSvikram } 758b610f78eSvikram 759b610f78eSvikram (void) fclose(fp); 760b610f78eSvikram 761b610f78eSvikram if (mntpt) { 762b610f78eSvikram return (mntpt); 763b610f78eSvikram } 764b610f78eSvikram 765b610f78eSvikram 766b610f78eSvikram /* 767b610f78eSvikram * GRUB slice is not mounted, we need to mount it now. 768b610f78eSvikram * First create the mountpoint 769b610f78eSvikram */ 770b610f78eSvikram mntpt = s_calloc(1, PATH_MAX); 771b610f78eSvikram (void) snprintf(mntpt, PATH_MAX, "%s.%d", GRUB_slice_mntpt, getpid()); 772b610f78eSvikram if (mkdir(mntpt, 0755) == -1 && errno != EEXIST) { 773b610f78eSvikram bam_error(MKDIR_FAILED, mntpt, strerror(errno)); 774b610f78eSvikram free(mntpt); 77540541d5dSvikram goto error; 776b610f78eSvikram } 777b610f78eSvikram 778f0f2c544Svikram (void) snprintf(cmd, sizeof (cmd), "/sbin/mount -F %s %s %s", 779f0f2c544Svikram fstype, dev, mntpt); 780f0f2c544Svikram 781f0f2c544Svikram if (exec_cmd(cmd, NULL, 0) != 0) { 78240541d5dSvikram bam_error(MOUNT_FAILED, dev, fstype); 783b610f78eSvikram if (rmdir(mntpt) != 0) { 784b610f78eSvikram bam_error(RMDIR_FAILED, mntpt, strerror(errno)); 785b610f78eSvikram } 786b610f78eSvikram free(mntpt); 78740541d5dSvikram goto error; 788b610f78eSvikram } 789b610f78eSvikram 790b610f78eSvikram *mnted = 1; 791b610f78eSvikram return (mntpt); 79240541d5dSvikram 79340541d5dSvikram error: 79440541d5dSvikram if (physlice) { 79540541d5dSvikram free(*physlice); 79640541d5dSvikram *physlice = NULL; 79740541d5dSvikram } 79840541d5dSvikram if (logslice) { 79940541d5dSvikram free(*logslice); 80040541d5dSvikram *logslice = NULL; 80140541d5dSvikram } 80240541d5dSvikram if (fs_type) { 80340541d5dSvikram free(*fs_type); 80440541d5dSvikram *fs_type = NULL; 80540541d5dSvikram } 80640541d5dSvikram return (NULL); 807b610f78eSvikram } 808b610f78eSvikram 809b610f78eSvikram static void 81040541d5dSvikram umount_grub_slice( 81140541d5dSvikram int mnted, 81240541d5dSvikram char *mntpt, 81340541d5dSvikram char *physlice, 81440541d5dSvikram char *logslice, 81540541d5dSvikram char *fs_type) 816b610f78eSvikram { 817f0f2c544Svikram char cmd[PATH_MAX]; 818f0f2c544Svikram 819b610f78eSvikram /* 820b610f78eSvikram * If we have not dealt with GRUB slice 821b610f78eSvikram * we have nothing to do - just return. 822b610f78eSvikram */ 823b610f78eSvikram if (mntpt == NULL) 824b610f78eSvikram return; 825b610f78eSvikram 826b610f78eSvikram 827b610f78eSvikram /* 828b610f78eSvikram * If we mounted the filesystem earlier in mount_grub_slice() 829b610f78eSvikram * unmount it now. 830b610f78eSvikram */ 831b610f78eSvikram if (mnted) { 832f0f2c544Svikram (void) snprintf(cmd, sizeof (cmd), "/sbin/umount %s", 833f0f2c544Svikram mntpt); 834f0f2c544Svikram if (exec_cmd(cmd, NULL, 0) != 0) { 835f0f2c544Svikram bam_error(UMOUNT_FAILED, mntpt); 836b610f78eSvikram } 837b610f78eSvikram if (rmdir(mntpt) != 0) { 838b610f78eSvikram bam_error(RMDIR_FAILED, mntpt, strerror(errno)); 839b610f78eSvikram } 840b610f78eSvikram } 84140541d5dSvikram 842b610f78eSvikram if (physlice) 843b610f78eSvikram free(physlice); 84440541d5dSvikram if (logslice) 84540541d5dSvikram free(logslice); 84640541d5dSvikram if (fs_type) 84740541d5dSvikram free(fs_type); 84840541d5dSvikram 849b610f78eSvikram free(mntpt); 850b610f78eSvikram } 851b610f78eSvikram 85240541d5dSvikram static char * 85340541d5dSvikram use_stubboot(void) 85440541d5dSvikram { 85540541d5dSvikram int mnted; 85640541d5dSvikram struct stat sb; 85740541d5dSvikram struct extmnttab mnt; 85840541d5dSvikram FILE *fp; 85940541d5dSvikram char cmd[PATH_MAX]; 86040541d5dSvikram 86140541d5dSvikram if (stat(STUBBOOT, &sb) != 0) { 86240541d5dSvikram bam_error(STUBBOOT_DIR_NOT_FOUND); 86340541d5dSvikram return (NULL); 86440541d5dSvikram } 86540541d5dSvikram 86640541d5dSvikram /* 86740541d5dSvikram * Check if stubboot is mounted. If not, mount it 86840541d5dSvikram */ 86940541d5dSvikram fp = fopen(MNTTAB, "r"); 87040541d5dSvikram if (fp == NULL) { 87140541d5dSvikram bam_error(OPEN_FAIL, MNTTAB, strerror(errno)); 87240541d5dSvikram return (NULL); 87340541d5dSvikram } 87440541d5dSvikram 87540541d5dSvikram resetmnttab(fp); 87640541d5dSvikram 87740541d5dSvikram mnted = 0; 87840541d5dSvikram while (getextmntent(fp, &mnt, sizeof (mnt)) == 0) { 87940541d5dSvikram if (strcmp(mnt.mnt_mountp, STUBBOOT) == 0) { 88040541d5dSvikram mnted = 1; 88140541d5dSvikram break; 88240541d5dSvikram } 88340541d5dSvikram } 88440541d5dSvikram 88540541d5dSvikram (void) fclose(fp); 88640541d5dSvikram 88740541d5dSvikram if (mnted) 88840541d5dSvikram return (STUBBOOT); 88940541d5dSvikram 89040541d5dSvikram /* 89140541d5dSvikram * Stubboot is not mounted, mount it now. 89240541d5dSvikram * It should exist in /etc/vfstab 89340541d5dSvikram */ 89440541d5dSvikram (void) snprintf(cmd, sizeof (cmd), "/sbin/mount %s", 89540541d5dSvikram STUBBOOT); 89640541d5dSvikram if (exec_cmd(cmd, NULL, 0) != 0) { 89740541d5dSvikram bam_error(MOUNT_MNTPT_FAILED, STUBBOOT); 89840541d5dSvikram return (NULL); 89940541d5dSvikram } 90040541d5dSvikram 90140541d5dSvikram return (STUBBOOT); 90240541d5dSvikram } 90340541d5dSvikram 90440541d5dSvikram static void 90540541d5dSvikram disp_active_menu_locn(char *menu_path, char *logslice, char *fstype, int mnted) 90640541d5dSvikram { 90740541d5dSvikram /* 90840541d5dSvikram * Check if we did a temp mount of an unmounted device. 90940541d5dSvikram * If yes, print the block device and fstype for that device 91040541d5dSvikram * else it is already mounted, so we print the path to the GRUB menu. 91140541d5dSvikram */ 91240541d5dSvikram if (mnted) { 91340541d5dSvikram bam_print(GRUB_MENU_DEVICE, logslice); 91440541d5dSvikram bam_print(GRUB_MENU_FSTYPE, fstype); 91540541d5dSvikram } else { 91640541d5dSvikram bam_print(GRUB_MENU_PATH, menu_path); 91740541d5dSvikram } 91840541d5dSvikram } 91940541d5dSvikram 92040541d5dSvikram /* 92140541d5dSvikram * NOTE: A single "/" is also considered a trailing slash and will 92240541d5dSvikram * be deleted. 92340541d5dSvikram */ 92440541d5dSvikram static void 92540541d5dSvikram elide_trailing_slash(const char *src, char *dst, size_t dstsize) 92640541d5dSvikram { 92740541d5dSvikram size_t dstlen; 92840541d5dSvikram 92940541d5dSvikram assert(src); 93040541d5dSvikram assert(dst); 93140541d5dSvikram 93240541d5dSvikram (void) strlcpy(dst, src, dstsize); 93340541d5dSvikram 93440541d5dSvikram dstlen = strlen(dst); 93540541d5dSvikram if (dst[dstlen - 1] == '/') { 93640541d5dSvikram dst[dstlen - 1] = '\0'; 93740541d5dSvikram } 93840541d5dSvikram } 93940541d5dSvikram 9407c478bd9Sstevel@tonic-gate static error_t 9417c478bd9Sstevel@tonic-gate bam_menu(char *subcmd, char *opt, int largc, char *largv[]) 9427c478bd9Sstevel@tonic-gate { 9437c478bd9Sstevel@tonic-gate error_t ret; 9447c478bd9Sstevel@tonic-gate char menu_path[PATH_MAX]; 9457c478bd9Sstevel@tonic-gate menu_t *menu; 94640541d5dSvikram char *mntpt, *menu_root, *logslice, *fstype; 947b610f78eSvikram struct stat sb; 948b610f78eSvikram int mnted; /* set if we did a mount */ 9497c478bd9Sstevel@tonic-gate error_t (*f)(menu_t *mp, char *menu_path, char *opt); 9507c478bd9Sstevel@tonic-gate 9517c478bd9Sstevel@tonic-gate /* 9527c478bd9Sstevel@tonic-gate * Check arguments 9537c478bd9Sstevel@tonic-gate */ 9547c478bd9Sstevel@tonic-gate ret = check_subcmd_and_options(subcmd, opt, menu_subcmds, &f); 9557c478bd9Sstevel@tonic-gate if (ret == BAM_ERROR) { 9567c478bd9Sstevel@tonic-gate return (BAM_ERROR); 9577c478bd9Sstevel@tonic-gate } 9587c478bd9Sstevel@tonic-gate 959b610f78eSvikram mntpt = NULL; 960b610f78eSvikram mnted = 0; 96140541d5dSvikram logslice = fstype = NULL; 96240541d5dSvikram 96340541d5dSvikram /* 96440541d5dSvikram * If the user provides an alternate root, we 96540541d5dSvikram * assume they know what they are doing and we 96640541d5dSvikram * use it. Else we check if there is an 96740541d5dSvikram * alternate location (other than /boot/grub) 96840541d5dSvikram * for the GRUB menu 96940541d5dSvikram */ 97040541d5dSvikram if (bam_alt_root) { 97140541d5dSvikram menu_root = bam_root; 97240541d5dSvikram } else if (stat(GRUB_slice, &sb) == 0) { 97340541d5dSvikram mntpt = mount_grub_slice(&mnted, NULL, &logslice, &fstype); 974b610f78eSvikram menu_root = mntpt; 97540541d5dSvikram } else if (stat(STUBBOOT, &sb) == 0) { 97640541d5dSvikram menu_root = use_stubboot(); 977b610f78eSvikram } else { 978b610f78eSvikram menu_root = bam_root; 979b610f78eSvikram } 980b610f78eSvikram 98140541d5dSvikram if (menu_root == NULL) { 98240541d5dSvikram bam_error(CANNOT_LOCATE_GRUB_MENU); 98340541d5dSvikram return (BAM_ERROR); 98440541d5dSvikram } 98540541d5dSvikram 98640541d5dSvikram elide_trailing_slash(menu_root, menu_path, sizeof (menu_path)); 98740541d5dSvikram (void) strlcat(menu_path, GRUB_MENU, sizeof (menu_path)); 98840541d5dSvikram 98940541d5dSvikram /* 99040541d5dSvikram * If listing the menu, display the active menu 99140541d5dSvikram * location 99240541d5dSvikram */ 99340541d5dSvikram if (strcmp(subcmd, "list_entry") == 0) { 99440541d5dSvikram disp_active_menu_locn(menu_path, logslice, fstype, mnted); 99540541d5dSvikram } 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate menu = menu_read(menu_path); 9987c478bd9Sstevel@tonic-gate assert(menu); 9997c478bd9Sstevel@tonic-gate 10007c478bd9Sstevel@tonic-gate /* 10017c478bd9Sstevel@tonic-gate * Special handling for setting timeout and default 10027c478bd9Sstevel@tonic-gate */ 10037c478bd9Sstevel@tonic-gate if (strcmp(subcmd, "set_option") == 0) { 10047c478bd9Sstevel@tonic-gate if (largc != 1 || largv[0] == NULL) { 10057c478bd9Sstevel@tonic-gate usage(); 100640541d5dSvikram menu_free(menu); 100740541d5dSvikram umount_grub_slice(mnted, mntpt, NULL, logslice, fstype); 10087c478bd9Sstevel@tonic-gate return (BAM_ERROR); 10097c478bd9Sstevel@tonic-gate } 10107c478bd9Sstevel@tonic-gate opt = largv[0]; 10117c478bd9Sstevel@tonic-gate } else if (largc != 0) { 10127c478bd9Sstevel@tonic-gate usage(); 101340541d5dSvikram menu_free(menu); 101440541d5dSvikram umount_grub_slice(mnted, mntpt, NULL, logslice, fstype); 10157c478bd9Sstevel@tonic-gate return (BAM_ERROR); 10167c478bd9Sstevel@tonic-gate } 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate /* 10197c478bd9Sstevel@tonic-gate * Once the sub-cmd handler has run 10207c478bd9Sstevel@tonic-gate * only the line field is guaranteed to have valid values 10217c478bd9Sstevel@tonic-gate */ 10227c478bd9Sstevel@tonic-gate if (strcmp(subcmd, "update_entry") == 0) 10237c478bd9Sstevel@tonic-gate ret = f(menu, bam_root, opt); 10247c478bd9Sstevel@tonic-gate else 10257c478bd9Sstevel@tonic-gate ret = f(menu, menu_path, opt); 10267c478bd9Sstevel@tonic-gate if (ret == BAM_WRITE) { 1027b610f78eSvikram ret = menu_write(menu_root, menu); 10287c478bd9Sstevel@tonic-gate } 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate menu_free(menu); 10317c478bd9Sstevel@tonic-gate 103240541d5dSvikram umount_grub_slice(mnted, mntpt, NULL, logslice, fstype); 1033b610f78eSvikram 10347c478bd9Sstevel@tonic-gate return (ret); 10357c478bd9Sstevel@tonic-gate } 10367c478bd9Sstevel@tonic-gate 10377c478bd9Sstevel@tonic-gate 10387c478bd9Sstevel@tonic-gate static error_t 10397c478bd9Sstevel@tonic-gate bam_archive( 10407c478bd9Sstevel@tonic-gate char *subcmd, 10417c478bd9Sstevel@tonic-gate char *opt) 10427c478bd9Sstevel@tonic-gate { 10437c478bd9Sstevel@tonic-gate error_t ret; 10447c478bd9Sstevel@tonic-gate error_t (*f)(char *root, char *opt); 10457c478bd9Sstevel@tonic-gate 10468c1b6884Sszhou /* 10478c1b6884Sszhou * Add trailing / for archive subcommands 10488c1b6884Sszhou */ 10498c1b6884Sszhou if (rootbuf[strlen(rootbuf) - 1] != '/') 10508c1b6884Sszhou (void) strcat(rootbuf, "/"); 10518c1b6884Sszhou bam_rootlen = strlen(rootbuf); 10528c1b6884Sszhou 10537c478bd9Sstevel@tonic-gate /* 10547c478bd9Sstevel@tonic-gate * Check arguments 10557c478bd9Sstevel@tonic-gate */ 10567c478bd9Sstevel@tonic-gate ret = check_subcmd_and_options(subcmd, opt, arch_subcmds, &f); 10577c478bd9Sstevel@tonic-gate if (ret != BAM_SUCCESS) { 10587c478bd9Sstevel@tonic-gate return (BAM_ERROR); 10597c478bd9Sstevel@tonic-gate } 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate #if defined(__sparc) 10627c478bd9Sstevel@tonic-gate /* 10637c478bd9Sstevel@tonic-gate * A NOP if called on SPARC during reboot 10647c478bd9Sstevel@tonic-gate */ 10657c478bd9Sstevel@tonic-gate if (strcmp(subcmd, "update_all") == 0) 10667c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 10677c478bd9Sstevel@tonic-gate else if (strcmp(subcmd, "update") != 0) 10687c478bd9Sstevel@tonic-gate sparc_abort(); 10697c478bd9Sstevel@tonic-gate #endif 10707c478bd9Sstevel@tonic-gate 10717c478bd9Sstevel@tonic-gate /* 10727c478bd9Sstevel@tonic-gate * Check archive not supported with update_all 10737c478bd9Sstevel@tonic-gate * since it is awkward to display out-of-sync 10747c478bd9Sstevel@tonic-gate * information for each BE. 10757c478bd9Sstevel@tonic-gate */ 10767c478bd9Sstevel@tonic-gate if (bam_check && strcmp(subcmd, "update_all") == 0) { 10777c478bd9Sstevel@tonic-gate bam_error(CHECK_NOT_SUPPORTED, subcmd); 10787c478bd9Sstevel@tonic-gate return (BAM_ERROR); 10797c478bd9Sstevel@tonic-gate } 10807c478bd9Sstevel@tonic-gate 1081b610f78eSvikram if (strcmp(subcmd, "update_all") == 0) 1082b610f78eSvikram bam_update_all = 1; 1083b610f78eSvikram 1084b610f78eSvikram ret = f(bam_root, opt); 1085b610f78eSvikram 1086b610f78eSvikram bam_update_all = 0; 1087b610f78eSvikram 1088b610f78eSvikram return (ret); 10897c478bd9Sstevel@tonic-gate } 10907c478bd9Sstevel@tonic-gate 10917c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 10927c478bd9Sstevel@tonic-gate static void 10937c478bd9Sstevel@tonic-gate bam_error(char *format, ...) 10947c478bd9Sstevel@tonic-gate { 10957c478bd9Sstevel@tonic-gate va_list ap; 10967c478bd9Sstevel@tonic-gate 10977c478bd9Sstevel@tonic-gate va_start(ap, format); 10987c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 10997c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, format, ap); 11007c478bd9Sstevel@tonic-gate va_end(ap); 11017c478bd9Sstevel@tonic-gate } 11027c478bd9Sstevel@tonic-gate 11037c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 11047c478bd9Sstevel@tonic-gate static void 11057c478bd9Sstevel@tonic-gate bam_print(char *format, ...) 11067c478bd9Sstevel@tonic-gate { 11077c478bd9Sstevel@tonic-gate va_list ap; 11087c478bd9Sstevel@tonic-gate 11097c478bd9Sstevel@tonic-gate va_start(ap, format); 11107c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, format, ap); 11117c478bd9Sstevel@tonic-gate va_end(ap); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate static void 11157c478bd9Sstevel@tonic-gate bam_exit(int excode) 11167c478bd9Sstevel@tonic-gate { 11177c478bd9Sstevel@tonic-gate bam_unlock(); 11187c478bd9Sstevel@tonic-gate exit(excode); 11197c478bd9Sstevel@tonic-gate } 11207c478bd9Sstevel@tonic-gate 11217c478bd9Sstevel@tonic-gate static void 11227c478bd9Sstevel@tonic-gate bam_lock(void) 11237c478bd9Sstevel@tonic-gate { 11247c478bd9Sstevel@tonic-gate struct flock lock; 11257c478bd9Sstevel@tonic-gate pid_t pid; 11267c478bd9Sstevel@tonic-gate 11277c478bd9Sstevel@tonic-gate bam_lock_fd = open(BAM_LOCK_FILE, O_CREAT|O_RDWR, LOCK_FILE_PERMS); 11287c478bd9Sstevel@tonic-gate if (bam_lock_fd < 0) { 11297c478bd9Sstevel@tonic-gate /* 11307c478bd9Sstevel@tonic-gate * We may be invoked early in boot for archive verification. 11317c478bd9Sstevel@tonic-gate * In this case, root is readonly and /var/run may not exist. 11327c478bd9Sstevel@tonic-gate * Proceed without the lock 11337c478bd9Sstevel@tonic-gate */ 11347c478bd9Sstevel@tonic-gate if (errno == EROFS || errno == ENOENT) { 11357c478bd9Sstevel@tonic-gate bam_root_readonly = 1; 11367c478bd9Sstevel@tonic-gate return; 11377c478bd9Sstevel@tonic-gate } 11387c478bd9Sstevel@tonic-gate 11397c478bd9Sstevel@tonic-gate bam_error(OPEN_FAIL, BAM_LOCK_FILE, strerror(errno)); 11407c478bd9Sstevel@tonic-gate bam_exit(1); 11417c478bd9Sstevel@tonic-gate } 11427c478bd9Sstevel@tonic-gate 11437c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 11447c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 11457c478bd9Sstevel@tonic-gate lock.l_start = 0; 11467c478bd9Sstevel@tonic-gate lock.l_len = 0; 11477c478bd9Sstevel@tonic-gate 11487c478bd9Sstevel@tonic-gate if (fcntl(bam_lock_fd, F_SETLK, &lock) == -1) { 11497c478bd9Sstevel@tonic-gate if (errno != EACCES && errno != EAGAIN) { 11507c478bd9Sstevel@tonic-gate bam_error(LOCK_FAIL, BAM_LOCK_FILE, strerror(errno)); 11517c478bd9Sstevel@tonic-gate (void) close(bam_lock_fd); 11527c478bd9Sstevel@tonic-gate bam_lock_fd = -1; 11537c478bd9Sstevel@tonic-gate bam_exit(1); 11547c478bd9Sstevel@tonic-gate } 11557c478bd9Sstevel@tonic-gate pid = 0; 11567c478bd9Sstevel@tonic-gate (void) pread(bam_lock_fd, &pid, sizeof (pid_t), 0); 11577c478bd9Sstevel@tonic-gate bam_print(FILE_LOCKED, pid); 11587c478bd9Sstevel@tonic-gate 11597c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 11607c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 11617c478bd9Sstevel@tonic-gate lock.l_start = 0; 11627c478bd9Sstevel@tonic-gate lock.l_len = 0; 11637c478bd9Sstevel@tonic-gate if (fcntl(bam_lock_fd, F_SETLKW, &lock) == -1) { 11647c478bd9Sstevel@tonic-gate bam_error(LOCK_FAIL, BAM_LOCK_FILE, strerror(errno)); 11657c478bd9Sstevel@tonic-gate (void) close(bam_lock_fd); 11667c478bd9Sstevel@tonic-gate bam_lock_fd = -1; 11677c478bd9Sstevel@tonic-gate bam_exit(1); 11687c478bd9Sstevel@tonic-gate } 11697c478bd9Sstevel@tonic-gate } 11707c478bd9Sstevel@tonic-gate 11717c478bd9Sstevel@tonic-gate /* We own the lock now */ 11727c478bd9Sstevel@tonic-gate pid = getpid(); 11737c478bd9Sstevel@tonic-gate (void) write(bam_lock_fd, &pid, sizeof (pid)); 11747c478bd9Sstevel@tonic-gate } 11757c478bd9Sstevel@tonic-gate 11767c478bd9Sstevel@tonic-gate static void 11777c478bd9Sstevel@tonic-gate bam_unlock(void) 11787c478bd9Sstevel@tonic-gate { 11797c478bd9Sstevel@tonic-gate struct flock unlock; 11807c478bd9Sstevel@tonic-gate 11817c478bd9Sstevel@tonic-gate /* 11827c478bd9Sstevel@tonic-gate * NOP if we don't hold the lock 11837c478bd9Sstevel@tonic-gate */ 11847c478bd9Sstevel@tonic-gate if (bam_lock_fd < 0) { 11857c478bd9Sstevel@tonic-gate return; 11867c478bd9Sstevel@tonic-gate } 11877c478bd9Sstevel@tonic-gate 11887c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 11897c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 11907c478bd9Sstevel@tonic-gate unlock.l_start = 0; 11917c478bd9Sstevel@tonic-gate unlock.l_len = 0; 11927c478bd9Sstevel@tonic-gate 11937c478bd9Sstevel@tonic-gate if (fcntl(bam_lock_fd, F_SETLK, &unlock) == -1) { 11947c478bd9Sstevel@tonic-gate bam_error(UNLOCK_FAIL, BAM_LOCK_FILE, strerror(errno)); 11957c478bd9Sstevel@tonic-gate } 11967c478bd9Sstevel@tonic-gate 11977c478bd9Sstevel@tonic-gate if (close(bam_lock_fd) == -1) { 11987c478bd9Sstevel@tonic-gate bam_error(CLOSE_FAIL, BAM_LOCK_FILE, strerror(errno)); 11997c478bd9Sstevel@tonic-gate } 12007c478bd9Sstevel@tonic-gate bam_lock_fd = -1; 12017c478bd9Sstevel@tonic-gate } 12027c478bd9Sstevel@tonic-gate 12037c478bd9Sstevel@tonic-gate static error_t 12047c478bd9Sstevel@tonic-gate list_archive(char *root, char *opt) 12057c478bd9Sstevel@tonic-gate { 12067c478bd9Sstevel@tonic-gate filelist_t flist; 12077c478bd9Sstevel@tonic-gate filelist_t *flistp = &flist; 12087c478bd9Sstevel@tonic-gate line_t *lp; 12097c478bd9Sstevel@tonic-gate 12107c478bd9Sstevel@tonic-gate assert(root); 12117c478bd9Sstevel@tonic-gate assert(opt == NULL); 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate flistp->head = flistp->tail = NULL; 12147c478bd9Sstevel@tonic-gate if (read_list(root, flistp) != BAM_SUCCESS) { 12157c478bd9Sstevel@tonic-gate return (BAM_ERROR); 12167c478bd9Sstevel@tonic-gate } 12177c478bd9Sstevel@tonic-gate assert(flistp->head && flistp->tail); 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate for (lp = flistp->head; lp; lp = lp->next) { 12207c478bd9Sstevel@tonic-gate bam_print(PRINT, lp->line); 12217c478bd9Sstevel@tonic-gate } 12227c478bd9Sstevel@tonic-gate 12237c478bd9Sstevel@tonic-gate filelist_free(flistp); 12247c478bd9Sstevel@tonic-gate 12257c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate 12287c478bd9Sstevel@tonic-gate /* 12297c478bd9Sstevel@tonic-gate * This routine writes a list of lines to a file. 12307c478bd9Sstevel@tonic-gate * The list is *not* freed 12317c478bd9Sstevel@tonic-gate */ 12327c478bd9Sstevel@tonic-gate static error_t 12337c478bd9Sstevel@tonic-gate list2file(char *root, char *tmp, char *final, line_t *start) 12347c478bd9Sstevel@tonic-gate { 12357c478bd9Sstevel@tonic-gate char tmpfile[PATH_MAX]; 12367c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 12377c478bd9Sstevel@tonic-gate FILE *fp; 12387c478bd9Sstevel@tonic-gate int ret; 12397c478bd9Sstevel@tonic-gate struct stat sb; 12407c478bd9Sstevel@tonic-gate mode_t mode; 12417c478bd9Sstevel@tonic-gate uid_t root_uid; 12427c478bd9Sstevel@tonic-gate gid_t sys_gid; 12437c478bd9Sstevel@tonic-gate struct passwd *pw; 12447c478bd9Sstevel@tonic-gate struct group *gp; 12457c478bd9Sstevel@tonic-gate 12467c478bd9Sstevel@tonic-gate 12477c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, final); 12487c478bd9Sstevel@tonic-gate 12497c478bd9Sstevel@tonic-gate if (start == NULL) { 12507c478bd9Sstevel@tonic-gate if (stat(path, &sb) != -1) { 12517c478bd9Sstevel@tonic-gate bam_print(UNLINK_EMPTY, path); 12527c478bd9Sstevel@tonic-gate if (unlink(path) != 0) { 12537c478bd9Sstevel@tonic-gate bam_error(UNLINK_FAIL, path, strerror(errno)); 12547c478bd9Sstevel@tonic-gate return (BAM_ERROR); 12557c478bd9Sstevel@tonic-gate } else { 12567c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 12577c478bd9Sstevel@tonic-gate } 12587c478bd9Sstevel@tonic-gate } 12597c478bd9Sstevel@tonic-gate } 12607c478bd9Sstevel@tonic-gate 12617c478bd9Sstevel@tonic-gate /* 12627c478bd9Sstevel@tonic-gate * Preserve attributes of existing file if possible, 12637c478bd9Sstevel@tonic-gate * otherwise ask the system for uid/gid of root/sys. 12647c478bd9Sstevel@tonic-gate * If all fails, fall back on hard-coded defaults. 12657c478bd9Sstevel@tonic-gate */ 12667c478bd9Sstevel@tonic-gate if (stat(path, &sb) != -1) { 12677c478bd9Sstevel@tonic-gate mode = sb.st_mode; 12687c478bd9Sstevel@tonic-gate root_uid = sb.st_uid; 12697c478bd9Sstevel@tonic-gate sys_gid = sb.st_gid; 12707c478bd9Sstevel@tonic-gate } else { 12717c478bd9Sstevel@tonic-gate mode = DEFAULT_DEV_MODE; 12727c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 12737c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 12747c478bd9Sstevel@tonic-gate } else { 12757c478bd9Sstevel@tonic-gate if (bam_verbose) 12767c478bd9Sstevel@tonic-gate bam_error(CANT_FIND_USER, 12777c478bd9Sstevel@tonic-gate DEFAULT_DEV_USER, DEFAULT_DEV_UID); 12787c478bd9Sstevel@tonic-gate root_uid = (uid_t)DEFAULT_DEV_UID; 12797c478bd9Sstevel@tonic-gate } 12807c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 12817c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 12827c478bd9Sstevel@tonic-gate } else { 12837c478bd9Sstevel@tonic-gate if (bam_verbose) 12847c478bd9Sstevel@tonic-gate bam_error(CANT_FIND_GROUP, 12857c478bd9Sstevel@tonic-gate DEFAULT_DEV_GROUP, DEFAULT_DEV_GID); 12867c478bd9Sstevel@tonic-gate sys_gid = (gid_t)DEFAULT_DEV_GID; 12877c478bd9Sstevel@tonic-gate } 12887c478bd9Sstevel@tonic-gate } 12897c478bd9Sstevel@tonic-gate 12907c478bd9Sstevel@tonic-gate (void) snprintf(tmpfile, sizeof (tmpfile), "%s%s", root, tmp); 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate /* Truncate tmpfile first */ 12937c478bd9Sstevel@tonic-gate fp = fopen(tmpfile, "w"); 12947c478bd9Sstevel@tonic-gate if (fp == NULL) { 12957c478bd9Sstevel@tonic-gate bam_error(OPEN_FAIL, tmpfile, strerror(errno)); 12967c478bd9Sstevel@tonic-gate return (BAM_ERROR); 12977c478bd9Sstevel@tonic-gate } 12987c478bd9Sstevel@tonic-gate ret = fclose(fp); 12997c478bd9Sstevel@tonic-gate if (ret == EOF) { 13007c478bd9Sstevel@tonic-gate bam_error(CLOSE_FAIL, tmpfile, strerror(errno)); 13017c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13027c478bd9Sstevel@tonic-gate } 13037c478bd9Sstevel@tonic-gate 13047c478bd9Sstevel@tonic-gate /* Now open it in append mode */ 13057c478bd9Sstevel@tonic-gate fp = fopen(tmpfile, "a"); 13067c478bd9Sstevel@tonic-gate if (fp == NULL) { 13077c478bd9Sstevel@tonic-gate bam_error(OPEN_FAIL, tmpfile, strerror(errno)); 13087c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13097c478bd9Sstevel@tonic-gate } 13107c478bd9Sstevel@tonic-gate 13117c478bd9Sstevel@tonic-gate for (; start; start = start->next) { 13127c478bd9Sstevel@tonic-gate ret = s_fputs(start->line, fp); 13137c478bd9Sstevel@tonic-gate if (ret == EOF) { 13147c478bd9Sstevel@tonic-gate bam_error(WRITE_FAIL, tmpfile, strerror(errno)); 13157c478bd9Sstevel@tonic-gate (void) fclose(fp); 13167c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13177c478bd9Sstevel@tonic-gate } 13187c478bd9Sstevel@tonic-gate } 13197c478bd9Sstevel@tonic-gate 13207c478bd9Sstevel@tonic-gate ret = fclose(fp); 13217c478bd9Sstevel@tonic-gate if (ret == EOF) { 13227c478bd9Sstevel@tonic-gate bam_error(CLOSE_FAIL, tmpfile, strerror(errno)); 13237c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13247c478bd9Sstevel@tonic-gate } 13257c478bd9Sstevel@tonic-gate 13267c478bd9Sstevel@tonic-gate /* 1327de531be4Sjg * Set up desired attributes. Ignore failures on filesystems 1328de531be4Sjg * not supporting these operations - pcfs reports unsupported 1329de531be4Sjg * operations as EINVAL. 13307c478bd9Sstevel@tonic-gate */ 13317c478bd9Sstevel@tonic-gate ret = chmod(tmpfile, mode); 1332de531be4Sjg if (ret == -1 && 1333de531be4Sjg errno != EINVAL && errno != ENOTSUP) { 13347c478bd9Sstevel@tonic-gate bam_error(CHMOD_FAIL, tmpfile, strerror(errno)); 13357c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13367c478bd9Sstevel@tonic-gate } 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate ret = chown(tmpfile, root_uid, sys_gid); 1339de531be4Sjg if (ret == -1 && 1340de531be4Sjg errno != EINVAL && errno != ENOTSUP) { 13417c478bd9Sstevel@tonic-gate bam_error(CHOWN_FAIL, tmpfile, strerror(errno)); 13427c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13437c478bd9Sstevel@tonic-gate } 13447c478bd9Sstevel@tonic-gate 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate /* 13477c478bd9Sstevel@tonic-gate * Do an atomic rename 13487c478bd9Sstevel@tonic-gate */ 13497c478bd9Sstevel@tonic-gate ret = rename(tmpfile, path); 13507c478bd9Sstevel@tonic-gate if (ret != 0) { 13517c478bd9Sstevel@tonic-gate bam_error(RENAME_FAIL, path, strerror(errno)); 13527c478bd9Sstevel@tonic-gate return (BAM_ERROR); 13537c478bd9Sstevel@tonic-gate } 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 13567c478bd9Sstevel@tonic-gate } 13577c478bd9Sstevel@tonic-gate 13587c478bd9Sstevel@tonic-gate /* 13597c478bd9Sstevel@tonic-gate * This function should always return 0 - since we want 13607c478bd9Sstevel@tonic-gate * to create stat data for *all* files in the list. 13617c478bd9Sstevel@tonic-gate */ 13627c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 13637c478bd9Sstevel@tonic-gate static int 13647c478bd9Sstevel@tonic-gate cmpstat( 13657c478bd9Sstevel@tonic-gate const char *file, 13667c478bd9Sstevel@tonic-gate const struct stat *stat, 13677c478bd9Sstevel@tonic-gate int flags, 13687c478bd9Sstevel@tonic-gate struct FTW *ftw) 13697c478bd9Sstevel@tonic-gate { 13707c478bd9Sstevel@tonic-gate uint_t sz; 13717c478bd9Sstevel@tonic-gate uint64_t *value; 13727c478bd9Sstevel@tonic-gate uint64_t filestat[2]; 13737c478bd9Sstevel@tonic-gate int error; 13747c478bd9Sstevel@tonic-gate 1375*58091fd8Ssetje struct safefile *safefilep; 1376*58091fd8Ssetje FILE *fp; 1377*58091fd8Ssetje 13787c478bd9Sstevel@tonic-gate /* 13797c478bd9Sstevel@tonic-gate * We only want regular files 13807c478bd9Sstevel@tonic-gate */ 13817c478bd9Sstevel@tonic-gate if (!S_ISREG(stat->st_mode)) 13827c478bd9Sstevel@tonic-gate return (0); 13837c478bd9Sstevel@tonic-gate 13847c478bd9Sstevel@tonic-gate /* 13857c478bd9Sstevel@tonic-gate * new_nvlp may be NULL if there were errors earlier 13867c478bd9Sstevel@tonic-gate * but this is not fatal to update determination. 13877c478bd9Sstevel@tonic-gate */ 13887c478bd9Sstevel@tonic-gate if (walk_arg.new_nvlp) { 13897c478bd9Sstevel@tonic-gate filestat[0] = stat->st_size; 13907c478bd9Sstevel@tonic-gate filestat[1] = stat->st_mtime; 13917c478bd9Sstevel@tonic-gate error = nvlist_add_uint64_array(walk_arg.new_nvlp, 13927c478bd9Sstevel@tonic-gate file + bam_rootlen, filestat, 2); 13937c478bd9Sstevel@tonic-gate if (error) 13947c478bd9Sstevel@tonic-gate bam_error(NVADD_FAIL, file, strerror(error)); 13957c478bd9Sstevel@tonic-gate } 13967c478bd9Sstevel@tonic-gate 13977c478bd9Sstevel@tonic-gate /* 13987c478bd9Sstevel@tonic-gate * The remaining steps are only required if we haven't made a 13997c478bd9Sstevel@tonic-gate * decision about update or if we are checking (-n) 14007c478bd9Sstevel@tonic-gate */ 14017c478bd9Sstevel@tonic-gate if (walk_arg.need_update && !bam_check) 14027c478bd9Sstevel@tonic-gate return (0); 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate /* 1405*58091fd8Ssetje * If we are invoked as part of system/filesyste/boot-archive, then 1406*58091fd8Ssetje * there are a number of things we should not worry about 14077c478bd9Sstevel@tonic-gate */ 1408*58091fd8Ssetje if (bam_smf_check) { 1409*58091fd8Ssetje /* ignore amd64 modules unless we are booted amd64. */ 1410*58091fd8Ssetje if (!is_amd64() && strstr(file, "/amd64/") != 0) 1411*58091fd8Ssetje return (0); 1412*58091fd8Ssetje 1413*58091fd8Ssetje /* read in list of safe files */ 1414*58091fd8Ssetje if (safefiles == NULL) 1415*58091fd8Ssetje if (fp = fopen("/boot/solaris/filelist.safe", "r")) { 1416*58091fd8Ssetje safefiles = s_calloc(1, 1417*58091fd8Ssetje sizeof (struct safefile)); 1418*58091fd8Ssetje safefilep = safefiles; 1419*58091fd8Ssetje safefilep->name = s_calloc(1, MAXPATHLEN + 1420*58091fd8Ssetje MAXNAMELEN); 1421*58091fd8Ssetje safefilep->next = NULL; 1422*58091fd8Ssetje while (s_fgets(safefilep->name, MAXPATHLEN + 1423*58091fd8Ssetje MAXNAMELEN, fp) != NULL) { 1424*58091fd8Ssetje safefilep->next = s_calloc(1, 1425*58091fd8Ssetje sizeof (struct safefile)); 1426*58091fd8Ssetje safefilep = safefilep->next; 1427*58091fd8Ssetje safefilep->name = s_calloc(1, 1428*58091fd8Ssetje MAXPATHLEN + MAXNAMELEN); 1429*58091fd8Ssetje safefilep->next = NULL; 1430*58091fd8Ssetje } 1431*58091fd8Ssetje (void) fclose(fp); 1432*58091fd8Ssetje } 1433*58091fd8Ssetje 1434*58091fd8Ssetje safefilep = safefiles; 1435*58091fd8Ssetje while (safefilep->next != NULL) 1436*58091fd8Ssetje if (strcmp(file, safefilep->name) != 0) { 1437*58091fd8Ssetje fp = fopen(NEED_UPDATE_FILE, "w"); 1438*58091fd8Ssetje if (fclose(fp) != 0) 1439*58091fd8Ssetje bam_error(CLOSE_FAIL, NEED_UPDATE_FILE, 1440*58091fd8Ssetje strerror(errno)); 1441*58091fd8Ssetje return (0); 1442*58091fd8Ssetje } 1443*58091fd8Ssetje } 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate /* 14467c478bd9Sstevel@tonic-gate * We need an update if file doesn't exist in old archive 14477c478bd9Sstevel@tonic-gate */ 14487c478bd9Sstevel@tonic-gate if (walk_arg.old_nvlp == NULL || 14497c478bd9Sstevel@tonic-gate nvlist_lookup_uint64_array(walk_arg.old_nvlp, 14507c478bd9Sstevel@tonic-gate file + bam_rootlen, &value, &sz) != 0) { 14517c478bd9Sstevel@tonic-gate if (bam_smf_check) /* ignore new during smf check */ 14527c478bd9Sstevel@tonic-gate return (0); 14537c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 14547c478bd9Sstevel@tonic-gate if (bam_verbose) 14557c478bd9Sstevel@tonic-gate bam_print(PARSEABLE_NEW_FILE, file); 14567c478bd9Sstevel@tonic-gate return (0); 14577c478bd9Sstevel@tonic-gate } 14587c478bd9Sstevel@tonic-gate 14597c478bd9Sstevel@tonic-gate /* 14607c478bd9Sstevel@tonic-gate * File exists in old archive. Check if file has changed 14617c478bd9Sstevel@tonic-gate */ 14627c478bd9Sstevel@tonic-gate assert(sz == 2); 14637c478bd9Sstevel@tonic-gate bcopy(value, filestat, sizeof (filestat)); 14647c478bd9Sstevel@tonic-gate 14657c478bd9Sstevel@tonic-gate if (filestat[0] != stat->st_size || 14667c478bd9Sstevel@tonic-gate filestat[1] != stat->st_mtime) { 14677c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 14687c478bd9Sstevel@tonic-gate if (bam_verbose) 14697c478bd9Sstevel@tonic-gate if (bam_smf_check) 14707c478bd9Sstevel@tonic-gate bam_print(" %s\n", file); 14717c478bd9Sstevel@tonic-gate else 14727c478bd9Sstevel@tonic-gate bam_print(PARSEABLE_OUT_DATE, file); 14737c478bd9Sstevel@tonic-gate } 14747c478bd9Sstevel@tonic-gate 14757c478bd9Sstevel@tonic-gate return (0); 14767c478bd9Sstevel@tonic-gate } 14777c478bd9Sstevel@tonic-gate 14787c478bd9Sstevel@tonic-gate /* 14797c478bd9Sstevel@tonic-gate * Check flags and presence of required files. 14807c478bd9Sstevel@tonic-gate * The force flag and/or absence of files should 14817c478bd9Sstevel@tonic-gate * trigger an update. 14827c478bd9Sstevel@tonic-gate * Suppress stdout output if check (-n) option is set 14837c478bd9Sstevel@tonic-gate * (as -n should only produce parseable output.) 14847c478bd9Sstevel@tonic-gate */ 14857c478bd9Sstevel@tonic-gate static void 14867c478bd9Sstevel@tonic-gate check_flags_and_files(char *root) 14877c478bd9Sstevel@tonic-gate { 14887c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 14897c478bd9Sstevel@tonic-gate struct stat sb; 14907c478bd9Sstevel@tonic-gate 14917c478bd9Sstevel@tonic-gate /* 14927c478bd9Sstevel@tonic-gate * if force, create archive unconditionally 14937c478bd9Sstevel@tonic-gate */ 14947c478bd9Sstevel@tonic-gate if (bam_force) { 14957c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 14967c478bd9Sstevel@tonic-gate if (bam_verbose && !bam_check) 14977c478bd9Sstevel@tonic-gate bam_print(UPDATE_FORCE); 14987c478bd9Sstevel@tonic-gate return; 14997c478bd9Sstevel@tonic-gate } 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate /* 15027c478bd9Sstevel@tonic-gate * If archive is missing, create archive 15037c478bd9Sstevel@tonic-gate */ 15047c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, BOOT_ARCHIVE); 15057c478bd9Sstevel@tonic-gate if (stat(path, &sb) != 0) { 15067c478bd9Sstevel@tonic-gate if (bam_verbose && !bam_check) 15077c478bd9Sstevel@tonic-gate bam_print(UPDATE_ARCH_MISS, path); 15087c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 15097c478bd9Sstevel@tonic-gate return; 15107c478bd9Sstevel@tonic-gate } 15117c478bd9Sstevel@tonic-gate } 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate static error_t 15147c478bd9Sstevel@tonic-gate read_one_list(char *root, filelist_t *flistp, char *filelist) 15157c478bd9Sstevel@tonic-gate { 15167c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 15177c478bd9Sstevel@tonic-gate FILE *fp; 15187c478bd9Sstevel@tonic-gate char buf[BAM_MAXLINE]; 15197c478bd9Sstevel@tonic-gate 15207c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, filelist); 15217c478bd9Sstevel@tonic-gate 15227c478bd9Sstevel@tonic-gate fp = fopen(path, "r"); 15237c478bd9Sstevel@tonic-gate if (fp == NULL) { 15247c478bd9Sstevel@tonic-gate if (bam_debug) 15257c478bd9Sstevel@tonic-gate bam_error(FLIST_FAIL, path, strerror(errno)); 15267c478bd9Sstevel@tonic-gate return (BAM_ERROR); 15277c478bd9Sstevel@tonic-gate } 15287c478bd9Sstevel@tonic-gate while (s_fgets(buf, sizeof (buf), fp) != NULL) { 1529b610f78eSvikram /* skip blank lines */ 1530b610f78eSvikram if (strspn(buf, " \t") == strlen(buf)) 1531b610f78eSvikram continue; 15327c478bd9Sstevel@tonic-gate append_to_flist(flistp, buf); 15337c478bd9Sstevel@tonic-gate } 15347c478bd9Sstevel@tonic-gate if (fclose(fp) != 0) { 15357c478bd9Sstevel@tonic-gate bam_error(CLOSE_FAIL, path, strerror(errno)); 15367c478bd9Sstevel@tonic-gate return (BAM_ERROR); 15377c478bd9Sstevel@tonic-gate } 15387c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 15397c478bd9Sstevel@tonic-gate } 15407c478bd9Sstevel@tonic-gate 15417c478bd9Sstevel@tonic-gate static error_t 15427c478bd9Sstevel@tonic-gate read_list(char *root, filelist_t *flistp) 15437c478bd9Sstevel@tonic-gate { 15447c478bd9Sstevel@tonic-gate int rval; 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate flistp->head = flistp->tail = NULL; 15477c478bd9Sstevel@tonic-gate 15487c478bd9Sstevel@tonic-gate /* 15497c478bd9Sstevel@tonic-gate * Read current lists of files - only the first is mandatory 15507c478bd9Sstevel@tonic-gate */ 15517c478bd9Sstevel@tonic-gate rval = read_one_list(root, flistp, BOOT_FILE_LIST); 15527c478bd9Sstevel@tonic-gate if (rval != BAM_SUCCESS) 15537c478bd9Sstevel@tonic-gate return (rval); 15547c478bd9Sstevel@tonic-gate (void) read_one_list(root, flistp, ETC_FILE_LIST); 15557c478bd9Sstevel@tonic-gate 15567c478bd9Sstevel@tonic-gate if (flistp->head == NULL) { 15577c478bd9Sstevel@tonic-gate bam_error(NO_FLIST); 15587c478bd9Sstevel@tonic-gate return (BAM_ERROR); 15597c478bd9Sstevel@tonic-gate } 15607c478bd9Sstevel@tonic-gate 15617c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 15627c478bd9Sstevel@tonic-gate } 15637c478bd9Sstevel@tonic-gate 15647c478bd9Sstevel@tonic-gate static void 15657c478bd9Sstevel@tonic-gate getoldstat(char *root) 15667c478bd9Sstevel@tonic-gate { 15677c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 15687c478bd9Sstevel@tonic-gate int fd, error; 15697c478bd9Sstevel@tonic-gate struct stat sb; 15707c478bd9Sstevel@tonic-gate char *ostat; 15717c478bd9Sstevel@tonic-gate 15727c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, FILE_STAT); 15737c478bd9Sstevel@tonic-gate fd = open(path, O_RDONLY); 15747c478bd9Sstevel@tonic-gate if (fd == -1) { 15757c478bd9Sstevel@tonic-gate if (bam_verbose) 15767c478bd9Sstevel@tonic-gate bam_print(OPEN_FAIL, path, strerror(errno)); 15777c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 15787c478bd9Sstevel@tonic-gate return; 15797c478bd9Sstevel@tonic-gate } 15807c478bd9Sstevel@tonic-gate 15817c478bd9Sstevel@tonic-gate if (fstat(fd, &sb) != 0) { 15827c478bd9Sstevel@tonic-gate bam_error(STAT_FAIL, path, strerror(errno)); 15837c478bd9Sstevel@tonic-gate (void) close(fd); 15847c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 15857c478bd9Sstevel@tonic-gate return; 15867c478bd9Sstevel@tonic-gate } 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate ostat = s_calloc(1, sb.st_size); 15897c478bd9Sstevel@tonic-gate 15907c478bd9Sstevel@tonic-gate if (read(fd, ostat, sb.st_size) != sb.st_size) { 15917c478bd9Sstevel@tonic-gate bam_error(READ_FAIL, path, strerror(errno)); 15927c478bd9Sstevel@tonic-gate (void) close(fd); 15937c478bd9Sstevel@tonic-gate free(ostat); 15947c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 15957c478bd9Sstevel@tonic-gate return; 15967c478bd9Sstevel@tonic-gate } 15977c478bd9Sstevel@tonic-gate 15987c478bd9Sstevel@tonic-gate (void) close(fd); 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate walk_arg.old_nvlp = NULL; 16017c478bd9Sstevel@tonic-gate error = nvlist_unpack(ostat, sb.st_size, &walk_arg.old_nvlp, 0); 16027c478bd9Sstevel@tonic-gate 16037c478bd9Sstevel@tonic-gate free(ostat); 16047c478bd9Sstevel@tonic-gate 16057c478bd9Sstevel@tonic-gate if (error) { 16067c478bd9Sstevel@tonic-gate bam_error(UNPACK_FAIL, path, strerror(error)); 16077c478bd9Sstevel@tonic-gate walk_arg.old_nvlp = NULL; 16087c478bd9Sstevel@tonic-gate walk_arg.need_update = 1; 16097c478bd9Sstevel@tonic-gate return; 16107c478bd9Sstevel@tonic-gate } 16117c478bd9Sstevel@tonic-gate } 16127c478bd9Sstevel@tonic-gate 16137c478bd9Sstevel@tonic-gate static void 16147c478bd9Sstevel@tonic-gate create_newstat(void) 16157c478bd9Sstevel@tonic-gate { 16167c478bd9Sstevel@tonic-gate int error; 16177c478bd9Sstevel@tonic-gate 16187c478bd9Sstevel@tonic-gate error = nvlist_alloc(&walk_arg.new_nvlp, NV_UNIQUE_NAME, 0); 16197c478bd9Sstevel@tonic-gate if (error) { 16207c478bd9Sstevel@tonic-gate /* 16217c478bd9Sstevel@tonic-gate * Not fatal - we can still create archive 16227c478bd9Sstevel@tonic-gate */ 16237c478bd9Sstevel@tonic-gate walk_arg.new_nvlp = NULL; 16247c478bd9Sstevel@tonic-gate bam_error(NVALLOC_FAIL, strerror(error)); 16257c478bd9Sstevel@tonic-gate } 16267c478bd9Sstevel@tonic-gate } 16277c478bd9Sstevel@tonic-gate 16287c478bd9Sstevel@tonic-gate static void 16297c478bd9Sstevel@tonic-gate walk_list(char *root, filelist_t *flistp) 16307c478bd9Sstevel@tonic-gate { 16317c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 16327c478bd9Sstevel@tonic-gate line_t *lp; 16337c478bd9Sstevel@tonic-gate 16347c478bd9Sstevel@tonic-gate for (lp = flistp->head; lp; lp = lp->next) { 16357c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, lp->line); 16367c478bd9Sstevel@tonic-gate /* XXX shouldn't we use FTW_MOUNT ? */ 16377c478bd9Sstevel@tonic-gate if (nftw(path, cmpstat, 20, 0) == -1) { 16387c478bd9Sstevel@tonic-gate /* 16397c478bd9Sstevel@tonic-gate * Some files may not exist. 16407c478bd9Sstevel@tonic-gate * For example: etc/rtc_config on a x86 diskless system 16417c478bd9Sstevel@tonic-gate * Emit verbose message only 16427c478bd9Sstevel@tonic-gate */ 16437c478bd9Sstevel@tonic-gate if (bam_verbose) 16447c478bd9Sstevel@tonic-gate bam_print(NFTW_FAIL, path, strerror(errno)); 16457c478bd9Sstevel@tonic-gate } 16467c478bd9Sstevel@tonic-gate } 16477c478bd9Sstevel@tonic-gate } 16487c478bd9Sstevel@tonic-gate 16497c478bd9Sstevel@tonic-gate static void 16507c478bd9Sstevel@tonic-gate savenew(char *root) 16517c478bd9Sstevel@tonic-gate { 16527c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 16537c478bd9Sstevel@tonic-gate char path2[PATH_MAX]; 16547c478bd9Sstevel@tonic-gate size_t sz; 16557c478bd9Sstevel@tonic-gate char *nstat; 16567c478bd9Sstevel@tonic-gate int fd, wrote, error; 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate nstat = NULL; 16597c478bd9Sstevel@tonic-gate sz = 0; 16607c478bd9Sstevel@tonic-gate error = nvlist_pack(walk_arg.new_nvlp, &nstat, &sz, 16617c478bd9Sstevel@tonic-gate NV_ENCODE_XDR, 0); 16627c478bd9Sstevel@tonic-gate if (error) { 16637c478bd9Sstevel@tonic-gate bam_error(PACK_FAIL, strerror(error)); 16647c478bd9Sstevel@tonic-gate return; 16657c478bd9Sstevel@tonic-gate } 16667c478bd9Sstevel@tonic-gate 16677c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, FILE_STAT_TMP); 16687c478bd9Sstevel@tonic-gate fd = open(path, O_RDWR|O_CREAT|O_TRUNC, FILE_STAT_MODE); 16697c478bd9Sstevel@tonic-gate if (fd == -1) { 16707c478bd9Sstevel@tonic-gate bam_error(OPEN_FAIL, path, strerror(errno)); 16717c478bd9Sstevel@tonic-gate free(nstat); 16727c478bd9Sstevel@tonic-gate return; 16737c478bd9Sstevel@tonic-gate } 16747c478bd9Sstevel@tonic-gate wrote = write(fd, nstat, sz); 16757c478bd9Sstevel@tonic-gate if (wrote != sz) { 16767c478bd9Sstevel@tonic-gate bam_error(WRITE_FAIL, path, strerror(errno)); 16777c478bd9Sstevel@tonic-gate (void) close(fd); 16787c478bd9Sstevel@tonic-gate free(nstat); 16797c478bd9Sstevel@tonic-gate return; 16807c478bd9Sstevel@tonic-gate } 16817c478bd9Sstevel@tonic-gate (void) close(fd); 16827c478bd9Sstevel@tonic-gate free(nstat); 16837c478bd9Sstevel@tonic-gate 16847c478bd9Sstevel@tonic-gate (void) snprintf(path2, sizeof (path2), "%s%s", root, FILE_STAT); 16857c478bd9Sstevel@tonic-gate if (rename(path, path2) != 0) { 16867c478bd9Sstevel@tonic-gate bam_error(RENAME_FAIL, path2, strerror(errno)); 16877c478bd9Sstevel@tonic-gate } 16887c478bd9Sstevel@tonic-gate } 16897c478bd9Sstevel@tonic-gate 16907c478bd9Sstevel@tonic-gate static void 16917c478bd9Sstevel@tonic-gate clear_walk_args(void) 16927c478bd9Sstevel@tonic-gate { 16937c478bd9Sstevel@tonic-gate if (walk_arg.old_nvlp) 16947c478bd9Sstevel@tonic-gate nvlist_free(walk_arg.old_nvlp); 16957c478bd9Sstevel@tonic-gate if (walk_arg.new_nvlp) 16967c478bd9Sstevel@tonic-gate nvlist_free(walk_arg.new_nvlp); 16977c478bd9Sstevel@tonic-gate walk_arg.need_update = 0; 16987c478bd9Sstevel@tonic-gate walk_arg.old_nvlp = NULL; 16997c478bd9Sstevel@tonic-gate walk_arg.new_nvlp = NULL; 17007c478bd9Sstevel@tonic-gate } 17017c478bd9Sstevel@tonic-gate 17027c478bd9Sstevel@tonic-gate /* 17037c478bd9Sstevel@tonic-gate * Returns: 17047c478bd9Sstevel@tonic-gate * 0 - no update necessary 17057c478bd9Sstevel@tonic-gate * 1 - update required. 17067c478bd9Sstevel@tonic-gate * BAM_ERROR (-1) - An error occurred 17077c478bd9Sstevel@tonic-gate * 17087c478bd9Sstevel@tonic-gate * Special handling for check (-n): 17097c478bd9Sstevel@tonic-gate * ================================ 17107c478bd9Sstevel@tonic-gate * The check (-n) option produces parseable output. 17117c478bd9Sstevel@tonic-gate * To do this, we suppress all stdout messages unrelated 17127c478bd9Sstevel@tonic-gate * to out of sync files. 17137c478bd9Sstevel@tonic-gate * All stderr messages are still printed though. 17147c478bd9Sstevel@tonic-gate * 17157c478bd9Sstevel@tonic-gate */ 17167c478bd9Sstevel@tonic-gate static int 17177c478bd9Sstevel@tonic-gate update_required(char *root) 17187c478bd9Sstevel@tonic-gate { 17197c478bd9Sstevel@tonic-gate struct stat sb; 17207c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 17217c478bd9Sstevel@tonic-gate filelist_t flist; 17227c478bd9Sstevel@tonic-gate filelist_t *flistp = &flist; 17237c478bd9Sstevel@tonic-gate int need_update; 17247c478bd9Sstevel@tonic-gate 17257c478bd9Sstevel@tonic-gate flistp->head = flistp->tail = NULL; 17267c478bd9Sstevel@tonic-gate 17277c478bd9Sstevel@tonic-gate walk_arg.need_update = 0; 17287c478bd9Sstevel@tonic-gate 17297c478bd9Sstevel@tonic-gate /* 17307c478bd9Sstevel@tonic-gate * Without consulting stat data, check if we need update 17317c478bd9Sstevel@tonic-gate */ 17327c478bd9Sstevel@tonic-gate check_flags_and_files(root); 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate /* 17357c478bd9Sstevel@tonic-gate * In certain deployment scenarios, filestat may not 17367c478bd9Sstevel@tonic-gate * exist. Ignore it during boot-archive SMF check. 17377c478bd9Sstevel@tonic-gate */ 17387c478bd9Sstevel@tonic-gate if (bam_smf_check) { 17397c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, FILE_STAT); 17407c478bd9Sstevel@tonic-gate if (stat(path, &sb) != 0) 17417c478bd9Sstevel@tonic-gate return (0); 17427c478bd9Sstevel@tonic-gate } 17437c478bd9Sstevel@tonic-gate 17447c478bd9Sstevel@tonic-gate /* 17457c478bd9Sstevel@tonic-gate * consult stat data only if we haven't made a decision 17467c478bd9Sstevel@tonic-gate * about update. If checking (-n) however, we always 17477c478bd9Sstevel@tonic-gate * need stat data (since we want to compare old and new) 17487c478bd9Sstevel@tonic-gate */ 17497c478bd9Sstevel@tonic-gate if (!walk_arg.need_update || bam_check) 17507c478bd9Sstevel@tonic-gate getoldstat(root); 17517c478bd9Sstevel@tonic-gate 17527c478bd9Sstevel@tonic-gate /* 17537c478bd9Sstevel@tonic-gate * read list of files 17547c478bd9Sstevel@tonic-gate */ 17557c478bd9Sstevel@tonic-gate if (read_list(root, flistp) != BAM_SUCCESS) { 17567c478bd9Sstevel@tonic-gate clear_walk_args(); 17577c478bd9Sstevel@tonic-gate return (BAM_ERROR); 17587c478bd9Sstevel@tonic-gate } 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate assert(flistp->head && flistp->tail); 17617c478bd9Sstevel@tonic-gate 17627c478bd9Sstevel@tonic-gate /* 17637c478bd9Sstevel@tonic-gate * At this point either the update is required 17647c478bd9Sstevel@tonic-gate * or the decision is pending. In either case 17657c478bd9Sstevel@tonic-gate * we need to create new stat nvlist 17667c478bd9Sstevel@tonic-gate */ 17677c478bd9Sstevel@tonic-gate create_newstat(); 17687c478bd9Sstevel@tonic-gate 17697c478bd9Sstevel@tonic-gate /* 17707c478bd9Sstevel@tonic-gate * This walk does 2 things: 17717c478bd9Sstevel@tonic-gate * - gets new stat data for every file 17727c478bd9Sstevel@tonic-gate * - (optional) compare old and new stat data 17737c478bd9Sstevel@tonic-gate */ 17747c478bd9Sstevel@tonic-gate walk_list(root, &flist); 17757c478bd9Sstevel@tonic-gate 17767c478bd9Sstevel@tonic-gate /* done with the file list */ 17777c478bd9Sstevel@tonic-gate filelist_free(flistp); 17787c478bd9Sstevel@tonic-gate 17797c478bd9Sstevel@tonic-gate /* 17807c478bd9Sstevel@tonic-gate * if we didn't succeed in creating new stat data above 17817c478bd9Sstevel@tonic-gate * just return result of update check so that archive is built. 17827c478bd9Sstevel@tonic-gate */ 17837c478bd9Sstevel@tonic-gate if (walk_arg.new_nvlp == NULL) { 17847c478bd9Sstevel@tonic-gate bam_error(NO_NEW_STAT); 17857c478bd9Sstevel@tonic-gate need_update = walk_arg.need_update; 17867c478bd9Sstevel@tonic-gate clear_walk_args(); 17877c478bd9Sstevel@tonic-gate return (need_update ? 1 : 0); 17887c478bd9Sstevel@tonic-gate } 17897c478bd9Sstevel@tonic-gate 17907c478bd9Sstevel@tonic-gate 17917c478bd9Sstevel@tonic-gate /* 17927c478bd9Sstevel@tonic-gate * If no update required, discard newstat 17937c478bd9Sstevel@tonic-gate */ 17947c478bd9Sstevel@tonic-gate if (!walk_arg.need_update) { 17957c478bd9Sstevel@tonic-gate clear_walk_args(); 17967c478bd9Sstevel@tonic-gate return (0); 17977c478bd9Sstevel@tonic-gate } 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate /* 18007c478bd9Sstevel@tonic-gate * At this point we need an update - so save new stat data 18017c478bd9Sstevel@tonic-gate * However, if only checking (-n), don't save new stat data. 18027c478bd9Sstevel@tonic-gate */ 18037c478bd9Sstevel@tonic-gate if (!bam_check) 18047c478bd9Sstevel@tonic-gate savenew(root); 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate clear_walk_args(); 18077c478bd9Sstevel@tonic-gate 18087c478bd9Sstevel@tonic-gate return (1); 18097c478bd9Sstevel@tonic-gate } 18107c478bd9Sstevel@tonic-gate 18117c478bd9Sstevel@tonic-gate static error_t 18127c478bd9Sstevel@tonic-gate create_ramdisk(char *root) 18137c478bd9Sstevel@tonic-gate { 18147c478bd9Sstevel@tonic-gate char *cmdline, path[PATH_MAX]; 18157c478bd9Sstevel@tonic-gate size_t len; 18167c478bd9Sstevel@tonic-gate struct stat sb; 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate /* 18197c478bd9Sstevel@tonic-gate * Setup command args for create_ramdisk.ksh 18207c478bd9Sstevel@tonic-gate */ 18217c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, CREATE_RAMDISK); 18227c478bd9Sstevel@tonic-gate if (stat(path, &sb) != 0) { 18237c478bd9Sstevel@tonic-gate bam_error(ARCH_EXEC_MISS, path, strerror(errno)); 18247c478bd9Sstevel@tonic-gate return (BAM_ERROR); 18257c478bd9Sstevel@tonic-gate } 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate len = strlen(path) + strlen(root) + 10; /* room for space + -R */ 18287c478bd9Sstevel@tonic-gate cmdline = s_calloc(1, len); 18297c478bd9Sstevel@tonic-gate 18307c478bd9Sstevel@tonic-gate if (strlen(root) > 1) { 18317c478bd9Sstevel@tonic-gate (void) snprintf(cmdline, len, "%s -R %s", path, root); 18327c478bd9Sstevel@tonic-gate /* chop off / at the end */ 18337c478bd9Sstevel@tonic-gate cmdline[strlen(cmdline) - 1] = '\0'; 18347c478bd9Sstevel@tonic-gate } else 18357c478bd9Sstevel@tonic-gate (void) snprintf(cmdline, len, "%s", path); 18367c478bd9Sstevel@tonic-gate 18377c478bd9Sstevel@tonic-gate if (exec_cmd(cmdline, NULL, 0) != 0) { 18387c478bd9Sstevel@tonic-gate bam_error(ARCHIVE_FAIL, cmdline); 18397c478bd9Sstevel@tonic-gate free(cmdline); 18407c478bd9Sstevel@tonic-gate return (BAM_ERROR); 18417c478bd9Sstevel@tonic-gate } 18427c478bd9Sstevel@tonic-gate free(cmdline); 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate /* 18457c478bd9Sstevel@tonic-gate * Verify that the archive has been created 18467c478bd9Sstevel@tonic-gate */ 18477c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, BOOT_ARCHIVE); 18487c478bd9Sstevel@tonic-gate if (stat(path, &sb) != 0) { 18497c478bd9Sstevel@tonic-gate bam_error(ARCHIVE_NOT_CREATED, path); 18507c478bd9Sstevel@tonic-gate return (BAM_ERROR); 18517c478bd9Sstevel@tonic-gate } 18527c478bd9Sstevel@tonic-gate 18537c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 18547c478bd9Sstevel@tonic-gate } 18557c478bd9Sstevel@tonic-gate 18567c478bd9Sstevel@tonic-gate /* 18577c478bd9Sstevel@tonic-gate * Checks if target filesystem is on a ramdisk 18587c478bd9Sstevel@tonic-gate * 1 - is miniroot 18597c478bd9Sstevel@tonic-gate * 0 - is not 18607c478bd9Sstevel@tonic-gate * When in doubt assume it is not a ramdisk. 18617c478bd9Sstevel@tonic-gate */ 18627c478bd9Sstevel@tonic-gate static int 18637c478bd9Sstevel@tonic-gate is_ramdisk(char *root) 18647c478bd9Sstevel@tonic-gate { 18657c478bd9Sstevel@tonic-gate struct extmnttab mnt; 18667c478bd9Sstevel@tonic-gate FILE *fp; 18677c478bd9Sstevel@tonic-gate int found; 1868b610f78eSvikram char mntpt[PATH_MAX]; 1869b610f78eSvikram char *cp; 18707c478bd9Sstevel@tonic-gate 18717c478bd9Sstevel@tonic-gate /* 18727c478bd9Sstevel@tonic-gate * There are 3 situations where creating archive is 18737c478bd9Sstevel@tonic-gate * of dubious value: 1874b610f78eSvikram * - create boot_archive on a lofi-mounted boot_archive 18757c478bd9Sstevel@tonic-gate * - create it on a ramdisk which is the root filesystem 18767c478bd9Sstevel@tonic-gate * - create it on a ramdisk mounted somewhere else 18777c478bd9Sstevel@tonic-gate * The first is not easy to detect and checking for it is not 18787c478bd9Sstevel@tonic-gate * worth it. 18797c478bd9Sstevel@tonic-gate * The other two conditions are handled here 18807c478bd9Sstevel@tonic-gate */ 18817c478bd9Sstevel@tonic-gate 18827c478bd9Sstevel@tonic-gate fp = fopen(MNTTAB, "r"); 18837c478bd9Sstevel@tonic-gate if (fp == NULL) { 18847c478bd9Sstevel@tonic-gate bam_error(OPEN_FAIL, MNTTAB, strerror(errno)); 18857c478bd9Sstevel@tonic-gate return (0); 18867c478bd9Sstevel@tonic-gate } 18877c478bd9Sstevel@tonic-gate 18887c478bd9Sstevel@tonic-gate resetmnttab(fp); 18897c478bd9Sstevel@tonic-gate 1890b610f78eSvikram /* 1891b610f78eSvikram * Remove any trailing / from the mount point 1892b610f78eSvikram */ 1893b610f78eSvikram (void) strlcpy(mntpt, root, sizeof (mntpt)); 1894b610f78eSvikram if (strcmp(root, "/") != 0) { 1895b610f78eSvikram cp = mntpt + strlen(mntpt) - 1; 1896b610f78eSvikram if (*cp == '/') 1897b610f78eSvikram *cp = '\0'; 1898b610f78eSvikram } 18997c478bd9Sstevel@tonic-gate found = 0; 19007c478bd9Sstevel@tonic-gate while (getextmntent(fp, &mnt, sizeof (mnt)) == 0) { 1901b610f78eSvikram if (strcmp(mnt.mnt_mountp, mntpt) == 0) { 19027c478bd9Sstevel@tonic-gate found = 1; 19037c478bd9Sstevel@tonic-gate break; 19047c478bd9Sstevel@tonic-gate } 19057c478bd9Sstevel@tonic-gate } 19067c478bd9Sstevel@tonic-gate 19077c478bd9Sstevel@tonic-gate if (!found) { 19087c478bd9Sstevel@tonic-gate if (bam_verbose) 1909b610f78eSvikram bam_error(NOT_IN_MNTTAB, mntpt); 19107c478bd9Sstevel@tonic-gate (void) fclose(fp); 19117c478bd9Sstevel@tonic-gate return (0); 19127c478bd9Sstevel@tonic-gate } 19137c478bd9Sstevel@tonic-gate 19147c478bd9Sstevel@tonic-gate if (strstr(mnt.mnt_special, RAMDISK_SPECIAL) != NULL) { 19157c478bd9Sstevel@tonic-gate if (bam_verbose) 19167c478bd9Sstevel@tonic-gate bam_error(IS_RAMDISK, bam_root); 19177c478bd9Sstevel@tonic-gate (void) fclose(fp); 19187c478bd9Sstevel@tonic-gate return (1); 19197c478bd9Sstevel@tonic-gate } 19207c478bd9Sstevel@tonic-gate 19217c478bd9Sstevel@tonic-gate (void) fclose(fp); 19227c478bd9Sstevel@tonic-gate 19237c478bd9Sstevel@tonic-gate return (0); 19247c478bd9Sstevel@tonic-gate } 19257c478bd9Sstevel@tonic-gate 19267c478bd9Sstevel@tonic-gate static int 19277c478bd9Sstevel@tonic-gate is_newboot(char *root) 19287c478bd9Sstevel@tonic-gate { 19297c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 19307c478bd9Sstevel@tonic-gate struct stat sb; 19317c478bd9Sstevel@tonic-gate 19327c478bd9Sstevel@tonic-gate /* 19337c478bd9Sstevel@tonic-gate * We can't boot without MULTI_BOOT 19347c478bd9Sstevel@tonic-gate */ 19357c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, MULTI_BOOT); 19367c478bd9Sstevel@tonic-gate if (stat(path, &sb) == -1) { 19377c478bd9Sstevel@tonic-gate if (bam_verbose) 19387c478bd9Sstevel@tonic-gate bam_print(FILE_MISS, path); 19397c478bd9Sstevel@tonic-gate return (0); 19407c478bd9Sstevel@tonic-gate } 19417c478bd9Sstevel@tonic-gate 19427c478bd9Sstevel@tonic-gate /* 19437c478bd9Sstevel@tonic-gate * We can't generate archive without GRUB_DIR 19447c478bd9Sstevel@tonic-gate */ 19457c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s%s", root, GRUB_DIR); 19467c478bd9Sstevel@tonic-gate if (stat(path, &sb) == -1) { 19477c478bd9Sstevel@tonic-gate if (bam_verbose) 19487c478bd9Sstevel@tonic-gate bam_print(DIR_MISS, path); 19497c478bd9Sstevel@tonic-gate return (0); 19507c478bd9Sstevel@tonic-gate } 19517c478bd9Sstevel@tonic-gate 19527c478bd9Sstevel@tonic-gate return (1); 19537c478bd9Sstevel@tonic-gate } 19547c478bd9Sstevel@tonic-gate 19557c478bd9Sstevel@tonic-gate static int 19567c478bd9Sstevel@tonic-gate is_readonly(char *root) 19577c478bd9Sstevel@tonic-gate { 19587c478bd9Sstevel@tonic-gate struct statvfs vfs; 19597c478bd9Sstevel@tonic-gate 19607c478bd9Sstevel@tonic-gate /* 19617c478bd9Sstevel@tonic-gate * Check for RDONLY filesystem 19627c478bd9Sstevel@tonic-gate * When in doubt assume it is not readonly 19637c478bd9Sstevel@tonic-gate */ 19647c478bd9Sstevel@tonic-gate if (statvfs(root, &vfs) != 0) { 19657c478bd9Sstevel@tonic-gate if (bam_verbose) 19667c478bd9Sstevel@tonic-gate bam_error(STATVFS_FAIL, root, strerror(errno)); 19677c478bd9Sstevel@tonic-gate return (0); 19687c478bd9Sstevel@tonic-gate } 19697c478bd9Sstevel@tonic-gate 19707c478bd9Sstevel@tonic-gate if (vfs.f_flag & ST_RDONLY) { 19717c478bd9Sstevel@tonic-gate return (1); 19727c478bd9Sstevel@tonic-gate } 19737c478bd9Sstevel@tonic-gate 19747c478bd9Sstevel@tonic-gate return (0); 19757c478bd9Sstevel@tonic-gate } 19767c478bd9Sstevel@tonic-gate 19777c478bd9Sstevel@tonic-gate static error_t 19787c478bd9Sstevel@tonic-gate update_archive(char *root, char *opt) 19797c478bd9Sstevel@tonic-gate { 19807c478bd9Sstevel@tonic-gate error_t ret; 19817c478bd9Sstevel@tonic-gate 19827c478bd9Sstevel@tonic-gate assert(root); 19837c478bd9Sstevel@tonic-gate assert(opt == NULL); 19847c478bd9Sstevel@tonic-gate 19857c478bd9Sstevel@tonic-gate /* 1986b610f78eSvikram * root must belong to a GRUB boot OS, 19877c478bd9Sstevel@tonic-gate * don't care on sparc except for diskless clients 19887c478bd9Sstevel@tonic-gate */ 19897c478bd9Sstevel@tonic-gate if (!is_newboot(root)) { 1990b610f78eSvikram /* 1991b610f78eSvikram * Emit message only if not in context of update_all. 1992b610f78eSvikram * If in update_all, emit only if verbose flag is set. 1993b610f78eSvikram */ 1994b610f78eSvikram if (!bam_update_all || bam_verbose) 1995b610f78eSvikram bam_print(NOT_GRUB_BOOT, root); 19967c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 19977c478bd9Sstevel@tonic-gate } 19987c478bd9Sstevel@tonic-gate 19997c478bd9Sstevel@tonic-gate /* 20008c1b6884Sszhou * If smf check is requested when / is writable (can happen 20018c1b6884Sszhou * on first reboot following an upgrade because service 20028c1b6884Sszhou * dependency is messed up), skip the check. 20038c1b6884Sszhou */ 20048c1b6884Sszhou if (bam_smf_check && !bam_root_readonly) 20058c1b6884Sszhou return (BAM_SUCCESS); 20068c1b6884Sszhou 20078c1b6884Sszhou /* 20088c1b6884Sszhou * root must be writable. This check applies to alternate 20098c1b6884Sszhou * root (-R option); bam_root_readonly applies to '/' only. 20107c478bd9Sstevel@tonic-gate * Note: statvfs() does not always report the truth 20117c478bd9Sstevel@tonic-gate */ 201261cb17bdSsetje if (!bam_smf_check && !bam_check && is_readonly(root)) { 20138c1b6884Sszhou if (bam_verbose) 20147c478bd9Sstevel@tonic-gate bam_print(RDONLY_FS, root); 20157c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 20167c478bd9Sstevel@tonic-gate } 20177c478bd9Sstevel@tonic-gate 20187c478bd9Sstevel@tonic-gate /* 20197c478bd9Sstevel@tonic-gate * Don't generate archive on ramdisk 20207c478bd9Sstevel@tonic-gate */ 20217c478bd9Sstevel@tonic-gate if (is_ramdisk(root)) { 20227c478bd9Sstevel@tonic-gate if (bam_verbose) 20237c478bd9Sstevel@tonic-gate bam_print(SKIP_RAMDISK); 20247c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 20257c478bd9Sstevel@tonic-gate } 20267c478bd9Sstevel@tonic-gate 20277c478bd9Sstevel@tonic-gate /* 20287c478bd9Sstevel@tonic-gate * Now check if updated is really needed 20297c478bd9Sstevel@tonic-gate */ 20307c478bd9Sstevel@tonic-gate ret = update_required(root); 20317c478bd9Sstevel@tonic-gate 20327c478bd9Sstevel@tonic-gate /* 20337c478bd9Sstevel@tonic-gate * The check command (-n) is *not* a dry run 20347c478bd9Sstevel@tonic-gate * It only checks if the archive is in sync. 20357c478bd9Sstevel@tonic-gate */ 20367c478bd9Sstevel@tonic-gate if (bam_check) { 20377c478bd9Sstevel@tonic-gate bam_exit((ret != 0) ? 1 : 0); 20387c478bd9Sstevel@tonic-gate } 20397c478bd9Sstevel@tonic-gate 20407c478bd9Sstevel@tonic-gate if (ret == 1) { 20417c478bd9Sstevel@tonic-gate /* create the ramdisk */ 20427c478bd9Sstevel@tonic-gate ret = create_ramdisk(root); 20437c478bd9Sstevel@tonic-gate } 20447c478bd9Sstevel@tonic-gate return (ret); 20457c478bd9Sstevel@tonic-gate } 20467c478bd9Sstevel@tonic-gate 2047fbac2b2bSvikram static void 2048fbac2b2bSvikram update_fdisk(void) 2049fbac2b2bSvikram { 2050fbac2b2bSvikram struct stat sb; 2051fbac2b2bSvikram char cmd[PATH_MAX]; 2052fbac2b2bSvikram int ret1, ret2; 2053fbac2b2bSvikram 2054fbac2b2bSvikram assert(stat(GRUB_fdisk, &sb) == 0); 2055fbac2b2bSvikram assert(stat(GRUB_fdisk_target, &sb) == 0); 2056fbac2b2bSvikram 2057fbac2b2bSvikram (void) snprintf(cmd, sizeof (cmd), "/sbin/fdisk -F %s `/bin/cat %s`", 2058fbac2b2bSvikram GRUB_fdisk, GRUB_fdisk_target); 2059fbac2b2bSvikram 2060fbac2b2bSvikram bam_print(UPDATING_FDISK); 2061fbac2b2bSvikram if (exec_cmd(cmd, NULL, 0) != 0) { 2062fbac2b2bSvikram bam_error(FDISK_UPDATE_FAILED); 2063fbac2b2bSvikram } 2064fbac2b2bSvikram 2065fbac2b2bSvikram /* 2066fbac2b2bSvikram * We are done, remove the files. 2067fbac2b2bSvikram */ 2068fbac2b2bSvikram ret1 = unlink(GRUB_fdisk); 2069fbac2b2bSvikram ret2 = unlink(GRUB_fdisk_target); 2070fbac2b2bSvikram if (ret1 != 0 || ret2 != 0) { 2071fbac2b2bSvikram bam_error(FILE_REMOVE_FAILED, GRUB_fdisk, GRUB_fdisk_target); 2072fbac2b2bSvikram } 2073fbac2b2bSvikram } 2074fbac2b2bSvikram 2075b610f78eSvikram static void 2076b610f78eSvikram restore_grub_slice(void) 2077b610f78eSvikram { 2078b610f78eSvikram struct stat sb; 2079b610f78eSvikram char *mntpt, *physlice; 2080b610f78eSvikram int mnted; /* set if we did a mount */ 2081b610f78eSvikram char menupath[PATH_MAX], cmd[PATH_MAX]; 2082b610f78eSvikram 2083b610f78eSvikram if (stat(GRUB_slice, &sb) != 0) { 2084b610f78eSvikram bam_error(MISSING_SLICE_FILE, GRUB_slice, strerror(errno)); 2085b610f78eSvikram return; 2086b610f78eSvikram } 2087b610f78eSvikram 2088b610f78eSvikram /* 2089b610f78eSvikram * If we are doing an luactivate, don't attempt to restore GRUB or else 2090b610f78eSvikram * we may not be able to get to DCA boot environments. Let luactivate 2091b610f78eSvikram * handle GRUB/DCA installation 2092b610f78eSvikram */ 2093b610f78eSvikram if (stat(LU_ACTIVATE_FILE, &sb) == 0) { 2094b610f78eSvikram return; 2095b610f78eSvikram } 2096b610f78eSvikram 2097b610f78eSvikram mnted = 0; 2098b610f78eSvikram physlice = NULL; 209940541d5dSvikram mntpt = mount_grub_slice(&mnted, &physlice, NULL, NULL); 2100b610f78eSvikram if (mntpt == NULL) { 2101b610f78eSvikram bam_error(CANNOT_RESTORE_GRUB_SLICE); 2102b610f78eSvikram return; 2103b610f78eSvikram } 2104b610f78eSvikram 2105b610f78eSvikram (void) snprintf(menupath, sizeof (menupath), "%s%s", mntpt, GRUB_MENU); 2106b610f78eSvikram if (stat(menupath, &sb) == 0) { 210740541d5dSvikram umount_grub_slice(mnted, mntpt, physlice, NULL, NULL); 2108b610f78eSvikram return; 2109b610f78eSvikram } 2110b610f78eSvikram 2111b610f78eSvikram /* 2112b610f78eSvikram * The menu is missing - we need to do a restore 2113b610f78eSvikram */ 2114b610f78eSvikram bam_print(RESTORING_GRUB); 2115b610f78eSvikram 2116b610f78eSvikram (void) snprintf(cmd, sizeof (cmd), "%s %s %s %s", 2117b610f78eSvikram INSTALLGRUB, STAGE1, STAGE2, physlice); 2118b610f78eSvikram 2119b610f78eSvikram if (exec_cmd(cmd, NULL, 0) != 0) { 2120b610f78eSvikram bam_error(RESTORE_GRUB_FAILED); 212140541d5dSvikram umount_grub_slice(mnted, mntpt, physlice, NULL, NULL); 2122b610f78eSvikram return; 2123b610f78eSvikram } 2124b610f78eSvikram 2125b610f78eSvikram if (stat(GRUB_backup_menu, &sb) != 0) { 2126b610f78eSvikram bam_error(MISSING_BACKUP_MENU, 2127b610f78eSvikram GRUB_backup_menu, strerror(errno)); 212840541d5dSvikram umount_grub_slice(mnted, mntpt, physlice, NULL, NULL); 2129b610f78eSvikram return; 2130b610f78eSvikram } 2131b610f78eSvikram 2132b610f78eSvikram (void) snprintf(cmd, sizeof (cmd), "/bin/cp %s %s", 2133b610f78eSvikram GRUB_backup_menu, menupath); 2134b610f78eSvikram 2135b610f78eSvikram if (exec_cmd(cmd, NULL, 0) != 0) { 2136b610f78eSvikram bam_error(RESTORE_MENU_FAILED, menupath); 213740541d5dSvikram umount_grub_slice(mnted, mntpt, physlice, NULL, NULL); 2138b610f78eSvikram return; 2139b610f78eSvikram } 2140b610f78eSvikram 2141b610f78eSvikram /* Success */ 214240541d5dSvikram umount_grub_slice(mnted, mntpt, physlice, NULL, NULL); 2143b610f78eSvikram } 2144b610f78eSvikram 21457c478bd9Sstevel@tonic-gate static error_t 21467c478bd9Sstevel@tonic-gate update_all(char *root, char *opt) 21477c478bd9Sstevel@tonic-gate { 21487c478bd9Sstevel@tonic-gate struct extmnttab mnt; 21497c478bd9Sstevel@tonic-gate struct stat sb; 21507c478bd9Sstevel@tonic-gate FILE *fp; 21517c478bd9Sstevel@tonic-gate char multibt[PATH_MAX]; 21527c478bd9Sstevel@tonic-gate error_t ret = BAM_SUCCESS; 2153fbac2b2bSvikram int ret1, ret2; 21547c478bd9Sstevel@tonic-gate 215540541d5dSvikram assert(root); 21567c478bd9Sstevel@tonic-gate assert(opt == NULL); 21577c478bd9Sstevel@tonic-gate 215840541d5dSvikram if (bam_rootlen != 1 || *root != '/') { 215940541d5dSvikram elide_trailing_slash(root, multibt, sizeof (multibt)); 216040541d5dSvikram bam_error(ALT_ROOT_INVALID, multibt); 216140541d5dSvikram return (BAM_ERROR); 216240541d5dSvikram } 216340541d5dSvikram 21647c478bd9Sstevel@tonic-gate /* 21657c478bd9Sstevel@tonic-gate * First update archive for current root 21667c478bd9Sstevel@tonic-gate */ 21677c478bd9Sstevel@tonic-gate if (update_archive(root, opt) != BAM_SUCCESS) 21687c478bd9Sstevel@tonic-gate ret = BAM_ERROR; 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate /* 21717c478bd9Sstevel@tonic-gate * Now walk the mount table, performing archive update 21727c478bd9Sstevel@tonic-gate * for all mounted Newboot root filesystems 21737c478bd9Sstevel@tonic-gate */ 21747c478bd9Sstevel@tonic-gate fp = fopen(MNTTAB, "r"); 21757c478bd9Sstevel@tonic-gate if (fp == NULL) { 21767c478bd9Sstevel@tonic-gate bam_error(OPEN_FAIL, MNTTAB, strerror(errno)); 2177b610f78eSvikram ret = BAM_ERROR; 2178b610f78eSvikram goto out; 21797c478bd9Sstevel@tonic-gate } 21807c478bd9Sstevel@tonic-gate 21817c478bd9Sstevel@tonic-gate resetmnttab(fp); 21827c478bd9Sstevel@tonic-gate 21837c478bd9Sstevel@tonic-gate while (getextmntent(fp, &mnt, sizeof (mnt)) == 0) { 21847c478bd9Sstevel@tonic-gate if (mnt.mnt_special == NULL) 21857c478bd9Sstevel@tonic-gate continue; 21867c478bd9Sstevel@tonic-gate if (strncmp(mnt.mnt_special, "/dev/", strlen("/dev/")) != 0) 21877c478bd9Sstevel@tonic-gate continue; 21887c478bd9Sstevel@tonic-gate if (strcmp(mnt.mnt_mountp, "/") == 0) 21897c478bd9Sstevel@tonic-gate continue; 21907c478bd9Sstevel@tonic-gate 21917c478bd9Sstevel@tonic-gate (void) snprintf(multibt, sizeof (multibt), "%s%s", 21927c478bd9Sstevel@tonic-gate mnt.mnt_mountp, MULTI_BOOT); 21937c478bd9Sstevel@tonic-gate 21947c478bd9Sstevel@tonic-gate if (stat(multibt, &sb) == -1) 21957c478bd9Sstevel@tonic-gate continue; 21967c478bd9Sstevel@tonic-gate 21977c478bd9Sstevel@tonic-gate /* 21987c478bd9Sstevel@tonic-gate * We put a trailing slash to be consistent with root = "/" 21997c478bd9Sstevel@tonic-gate * case, such that we don't have to print // in some cases. 22007c478bd9Sstevel@tonic-gate */ 22017c478bd9Sstevel@tonic-gate (void) snprintf(rootbuf, sizeof (rootbuf), "%s/", 22027c478bd9Sstevel@tonic-gate mnt.mnt_mountp); 22037c478bd9Sstevel@tonic-gate bam_rootlen = strlen(rootbuf); 22047c478bd9Sstevel@tonic-gate if (update_archive(rootbuf, opt) != BAM_SUCCESS) 22057c478bd9Sstevel@tonic-gate ret = BAM_ERROR; 22067c478bd9Sstevel@tonic-gate } 22077c478bd9Sstevel@tonic-gate 22087c478bd9Sstevel@tonic-gate (void) fclose(fp); 22097c478bd9Sstevel@tonic-gate 2210b610f78eSvikram out: 2211b610f78eSvikram if (stat(GRUB_slice, &sb) == 0) { 2212b610f78eSvikram restore_grub_slice(); 2213b610f78eSvikram } 2214b610f78eSvikram 2215fbac2b2bSvikram /* 2216fbac2b2bSvikram * Update fdisk table as we go down. Updating it when 2217fbac2b2bSvikram * the system is running will confuse biosdev. 2218fbac2b2bSvikram */ 2219fbac2b2bSvikram ret1 = stat(GRUB_fdisk, &sb); 2220fbac2b2bSvikram ret2 = stat(GRUB_fdisk_target, &sb); 2221fbac2b2bSvikram if ((ret1 == 0) && (ret2 == 0)) { 2222fbac2b2bSvikram update_fdisk(); 2223fbac2b2bSvikram } else if ((ret1 == 0) ^ (ret2 == 0)) { 2224fbac2b2bSvikram /* 2225fbac2b2bSvikram * It is an error for one file to be 2226fbac2b2bSvikram * present and the other absent. 2227fbac2b2bSvikram * It is normal for both files to be 2228fbac2b2bSvikram * absent - it indicates that no fdisk 2229fbac2b2bSvikram * update is required. 2230fbac2b2bSvikram */ 2231fbac2b2bSvikram bam_error(MISSING_FDISK_FILE, 2232fbac2b2bSvikram ret1 ? GRUB_fdisk : GRUB_fdisk_target); 2233fbac2b2bSvikram ret = BAM_ERROR; 2234fbac2b2bSvikram } 2235fbac2b2bSvikram 22367c478bd9Sstevel@tonic-gate return (ret); 22377c478bd9Sstevel@tonic-gate } 22387c478bd9Sstevel@tonic-gate 22397c478bd9Sstevel@tonic-gate static void 22407c478bd9Sstevel@tonic-gate append_line(menu_t *mp, line_t *lp) 22417c478bd9Sstevel@tonic-gate { 22427c478bd9Sstevel@tonic-gate if (mp->start == NULL) { 22437c478bd9Sstevel@tonic-gate mp->start = lp; 22447c478bd9Sstevel@tonic-gate } else { 22457c478bd9Sstevel@tonic-gate mp->end->next = lp; 22468c1b6884Sszhou lp->prev = mp->end; 22477c478bd9Sstevel@tonic-gate } 22487c478bd9Sstevel@tonic-gate mp->end = lp; 22497c478bd9Sstevel@tonic-gate } 22507c478bd9Sstevel@tonic-gate 22518c1b6884Sszhou static void 22528c1b6884Sszhou unlink_line(menu_t *mp, line_t *lp) 22538c1b6884Sszhou { 22548c1b6884Sszhou /* unlink from list */ 22558c1b6884Sszhou if (lp->prev) 22568c1b6884Sszhou lp->prev->next = lp->next; 22578c1b6884Sszhou else 22588c1b6884Sszhou mp->start = lp->next; 22598c1b6884Sszhou if (lp->next) 22608c1b6884Sszhou lp->next->prev = lp->prev; 22618c1b6884Sszhou else 22628c1b6884Sszhou mp->end = lp->prev; 22638c1b6884Sszhou } 22648c1b6884Sszhou 22658c1b6884Sszhou static entry_t * 22668c1b6884Sszhou boot_entry_new(menu_t *mp, line_t *start, line_t *end) 22678c1b6884Sszhou { 22688c1b6884Sszhou entry_t *ent, *prev; 22698c1b6884Sszhou 22708c1b6884Sszhou ent = s_calloc(1, sizeof (entry_t)); 22718c1b6884Sszhou ent->start = start; 22728c1b6884Sszhou ent->end = end; 22738c1b6884Sszhou 22748c1b6884Sszhou if (mp->entries == NULL) { 22758c1b6884Sszhou mp->entries = ent; 22768c1b6884Sszhou return (ent); 22778c1b6884Sszhou } 22788c1b6884Sszhou 22798c1b6884Sszhou prev = mp->entries; 22808c1b6884Sszhou while (prev->next) 22818c1b6884Sszhou prev = prev-> next; 22828c1b6884Sszhou prev->next = ent; 22838c1b6884Sszhou ent->prev = prev; 22848c1b6884Sszhou return (ent); 22858c1b6884Sszhou } 22868c1b6884Sszhou 22878c1b6884Sszhou static void 22888c1b6884Sszhou boot_entry_addline(entry_t *ent, line_t *lp) 22898c1b6884Sszhou { 22908c1b6884Sszhou if (ent) 22918c1b6884Sszhou ent->end = lp; 22928c1b6884Sszhou } 22938c1b6884Sszhou 22947c478bd9Sstevel@tonic-gate /* 22957c478bd9Sstevel@tonic-gate * A line in menu.lst looks like 22967c478bd9Sstevel@tonic-gate * [ ]*<cmd>[ \t=]*<arg>* 22977c478bd9Sstevel@tonic-gate */ 22987c478bd9Sstevel@tonic-gate static void 22997c478bd9Sstevel@tonic-gate line_parser(menu_t *mp, char *str, int *lineNum, int *entryNum) 23007c478bd9Sstevel@tonic-gate { 23017c478bd9Sstevel@tonic-gate /* 23027c478bd9Sstevel@tonic-gate * save state across calls. This is so that 23037c478bd9Sstevel@tonic-gate * header gets the right entry# after title has 23047c478bd9Sstevel@tonic-gate * been processed 23057c478bd9Sstevel@tonic-gate */ 23068c1b6884Sszhou static line_t *prev = NULL; 23078c1b6884Sszhou static entry_t *curr_ent = NULL; 23087c478bd9Sstevel@tonic-gate 23097c478bd9Sstevel@tonic-gate line_t *lp; 23107c478bd9Sstevel@tonic-gate char *cmd, *sep, *arg; 23117c478bd9Sstevel@tonic-gate char save, *cp, *line; 23127c478bd9Sstevel@tonic-gate menu_flag_t flag = BAM_INVALID; 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate if (str == NULL) { 23157c478bd9Sstevel@tonic-gate return; 23167c478bd9Sstevel@tonic-gate } 23177c478bd9Sstevel@tonic-gate 23187c478bd9Sstevel@tonic-gate /* 23197c478bd9Sstevel@tonic-gate * First save a copy of the entire line. 23207c478bd9Sstevel@tonic-gate * We use this later to set the line field. 23217c478bd9Sstevel@tonic-gate */ 23227c478bd9Sstevel@tonic-gate line = s_strdup(str); 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate /* Eat up leading whitespace */ 23257c478bd9Sstevel@tonic-gate while (*str == ' ' || *str == '\t') 23267c478bd9Sstevel@tonic-gate str++; 23277c478bd9Sstevel@tonic-gate 23287c478bd9Sstevel@tonic-gate if (*str == '#') { /* comment */ 23297c478bd9Sstevel@tonic-gate cmd = s_strdup("#"); 23307c478bd9Sstevel@tonic-gate sep = NULL; 23317c478bd9Sstevel@tonic-gate arg = s_strdup(str + 1); 23327c478bd9Sstevel@tonic-gate flag = BAM_COMMENT; 23337c478bd9Sstevel@tonic-gate } else if (*str == '\0') { /* blank line */ 23347c478bd9Sstevel@tonic-gate cmd = sep = arg = NULL; 23357c478bd9Sstevel@tonic-gate flag = BAM_EMPTY; 23367c478bd9Sstevel@tonic-gate } else { 23377c478bd9Sstevel@tonic-gate /* 23387c478bd9Sstevel@tonic-gate * '=' is not a documented separator in grub syntax. 23397c478bd9Sstevel@tonic-gate * However various development bits use '=' as a 23407c478bd9Sstevel@tonic-gate * separator. In addition, external users also 23417c478bd9Sstevel@tonic-gate * use = as a separator. So we will allow that usage. 23427c478bd9Sstevel@tonic-gate */ 23437c478bd9Sstevel@tonic-gate cp = str; 23447c478bd9Sstevel@tonic-gate while (*str != ' ' && *str != '\t' && *str != '=') { 23457c478bd9Sstevel@tonic-gate if (*str == '\0') { 23467c478bd9Sstevel@tonic-gate cmd = s_strdup(cp); 23477c478bd9Sstevel@tonic-gate sep = arg = NULL; 23487c478bd9Sstevel@tonic-gate break; 23497c478bd9Sstevel@tonic-gate } 23507c478bd9Sstevel@tonic-gate str++; 23517c478bd9Sstevel@tonic-gate } 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate if (*str != '\0') { 23547c478bd9Sstevel@tonic-gate save = *str; 23557c478bd9Sstevel@tonic-gate *str = '\0'; 23567c478bd9Sstevel@tonic-gate cmd = s_strdup(cp); 23577c478bd9Sstevel@tonic-gate *str = save; 23587c478bd9Sstevel@tonic-gate 23597c478bd9Sstevel@tonic-gate str++; 23607c478bd9Sstevel@tonic-gate save = *str; 23617c478bd9Sstevel@tonic-gate *str = '\0'; 23627c478bd9Sstevel@tonic-gate sep = s_strdup(str - 1); 23637c478bd9Sstevel@tonic-gate *str = save; 23647c478bd9Sstevel@tonic-gate 23657c478bd9Sstevel@tonic-gate while (*str == ' ' || *str == '\t') 23667c478bd9Sstevel@tonic-gate str++; 23677c478bd9Sstevel@tonic-gate if (*str == '\0') 23687c478bd9Sstevel@tonic-gate arg = NULL; 23697c478bd9Sstevel@tonic-gate else 23707c478bd9Sstevel@tonic-gate arg = s_strdup(str); 23717c478bd9Sstevel@tonic-gate } 23727c478bd9Sstevel@tonic-gate } 23737c478bd9Sstevel@tonic-gate 23747c478bd9Sstevel@tonic-gate lp = s_calloc(1, sizeof (line_t)); 23757c478bd9Sstevel@tonic-gate 23767c478bd9Sstevel@tonic-gate lp->cmd = cmd; 23777c478bd9Sstevel@tonic-gate lp->sep = sep; 23787c478bd9Sstevel@tonic-gate lp->arg = arg; 23797c478bd9Sstevel@tonic-gate lp->line = line; 23807c478bd9Sstevel@tonic-gate lp->lineNum = ++(*lineNum); 23817c478bd9Sstevel@tonic-gate if (cmd && strcmp(cmd, menu_cmds[TITLE_CMD]) == 0) { 23827c478bd9Sstevel@tonic-gate lp->entryNum = ++(*entryNum); 23837c478bd9Sstevel@tonic-gate lp->flags = BAM_TITLE; 23847c478bd9Sstevel@tonic-gate if (prev && prev->flags == BAM_COMMENT && 23858c1b6884Sszhou prev->arg && strcmp(prev->arg, BAM_HDR) == 0) { 23867c478bd9Sstevel@tonic-gate prev->entryNum = lp->entryNum; 23878c1b6884Sszhou curr_ent = boot_entry_new(mp, prev, lp); 23888c1b6884Sszhou } else { 23898c1b6884Sszhou curr_ent = boot_entry_new(mp, lp, lp); 23908c1b6884Sszhou } 23917c478bd9Sstevel@tonic-gate } else if (flag != BAM_INVALID) { 23927c478bd9Sstevel@tonic-gate /* 23937c478bd9Sstevel@tonic-gate * For header comments, the entry# is "fixed up" 23947c478bd9Sstevel@tonic-gate * by the subsequent title 23957c478bd9Sstevel@tonic-gate */ 23967c478bd9Sstevel@tonic-gate lp->entryNum = *entryNum; 23977c478bd9Sstevel@tonic-gate lp->flags = flag; 23987c478bd9Sstevel@tonic-gate } else { 23997c478bd9Sstevel@tonic-gate lp->entryNum = *entryNum; 24007c478bd9Sstevel@tonic-gate lp->flags = (*entryNum == ENTRY_INIT) ? BAM_GLOBAL : BAM_ENTRY; 24017c478bd9Sstevel@tonic-gate } 24027c478bd9Sstevel@tonic-gate 24038c1b6884Sszhou /* record default, old default, and entry line ranges */ 24048c1b6884Sszhou if (lp->flags == BAM_GLOBAL && 24058c1b6884Sszhou strcmp(lp->cmd, menu_cmds[DEFAULT_CMD]) == 0) { 24068c1b6884Sszhou mp->curdefault = lp; 24078c1b6884Sszhou } else if (lp->flags == BAM_COMMENT && 24088c1b6884Sszhou strncmp(lp->arg, BAM_OLDDEF, strlen(BAM_OLDDEF)) == 0) { 24098c1b6884Sszhou mp->olddefault = lp; 24108c1b6884Sszhou } else if (lp->flags == BAM_ENTRY || 24118c1b6884Sszhou (lp->flags == BAM_COMMENT && strcmp(lp->arg, BAM_FTR) == 0)) { 24128c1b6884Sszhou boot_entry_addline(curr_ent, lp); 24138c1b6884Sszhou } 24147c478bd9Sstevel@tonic-gate append_line(mp, lp); 24157c478bd9Sstevel@tonic-gate 24167c478bd9Sstevel@tonic-gate prev = lp; 24177c478bd9Sstevel@tonic-gate } 24187c478bd9Sstevel@tonic-gate 241940541d5dSvikram static void 242040541d5dSvikram update_numbering(menu_t *mp) 242140541d5dSvikram { 242240541d5dSvikram int lineNum; 242340541d5dSvikram int entryNum; 242440541d5dSvikram int old_default_value; 242540541d5dSvikram line_t *lp, *prev, *default_lp, *default_entry; 242640541d5dSvikram char buf[PATH_MAX]; 242740541d5dSvikram 242840541d5dSvikram if (mp->start == NULL) { 242940541d5dSvikram return; 243040541d5dSvikram } 243140541d5dSvikram 243240541d5dSvikram lineNum = LINE_INIT; 243340541d5dSvikram entryNum = ENTRY_INIT; 243440541d5dSvikram old_default_value = ENTRY_INIT; 243540541d5dSvikram lp = default_lp = default_entry = NULL; 243640541d5dSvikram 243740541d5dSvikram prev = NULL; 243840541d5dSvikram for (lp = mp->start; lp; prev = lp, lp = lp->next) { 243940541d5dSvikram lp->lineNum = ++lineNum; 244040541d5dSvikram 244140541d5dSvikram /* 244240541d5dSvikram * Get the value of the default command 244340541d5dSvikram */ 244440541d5dSvikram if (lp->entryNum == ENTRY_INIT && lp->cmd && 244540541d5dSvikram strcmp(lp->cmd, menu_cmds[DEFAULT_CMD]) == 0 && 244640541d5dSvikram lp->arg) { 244740541d5dSvikram old_default_value = atoi(lp->arg); 244840541d5dSvikram default_lp = lp; 244940541d5dSvikram } 245040541d5dSvikram 245140541d5dSvikram /* 245240541d5dSvikram * If not boot entry, nothing else to fix for this 245340541d5dSvikram * entry 245440541d5dSvikram */ 245540541d5dSvikram if (lp->entryNum == ENTRY_INIT) 245640541d5dSvikram continue; 245740541d5dSvikram 245840541d5dSvikram /* 245940541d5dSvikram * Record the position of the default entry. 246040541d5dSvikram * The following works because global 246140541d5dSvikram * commands like default and timeout should precede 246240541d5dSvikram * actual boot entries, so old_default_value 246340541d5dSvikram * is already known (or default cmd is missing). 246440541d5dSvikram */ 246540541d5dSvikram if (default_entry == NULL && 246640541d5dSvikram old_default_value != ENTRY_INIT && 246740541d5dSvikram lp->entryNum == old_default_value) { 246840541d5dSvikram default_entry = lp; 246940541d5dSvikram } 247040541d5dSvikram 247140541d5dSvikram /* 247240541d5dSvikram * Now fixup the entry number 247340541d5dSvikram */ 247440541d5dSvikram if (lp->cmd && strcmp(lp->cmd, menu_cmds[TITLE_CMD]) == 0) { 247540541d5dSvikram lp->entryNum = ++entryNum; 247640541d5dSvikram /* fixup the bootadm header */ 247740541d5dSvikram if (prev && prev->flags == BAM_COMMENT && 247840541d5dSvikram prev->arg && strcmp(prev->arg, BAM_HDR) == 0) { 247940541d5dSvikram prev->entryNum = lp->entryNum; 248040541d5dSvikram } 248140541d5dSvikram } else { 248240541d5dSvikram lp->entryNum = entryNum; 248340541d5dSvikram } 248440541d5dSvikram } 248540541d5dSvikram 248640541d5dSvikram /* 248740541d5dSvikram * No default command in menu, simply return 248840541d5dSvikram */ 248940541d5dSvikram if (default_lp == NULL) { 249040541d5dSvikram return; 249140541d5dSvikram } 249240541d5dSvikram 249340541d5dSvikram free(default_lp->arg); 249440541d5dSvikram free(default_lp->line); 249540541d5dSvikram 249640541d5dSvikram if (default_entry == NULL) { 249740541d5dSvikram default_lp->arg = s_strdup("0"); 249840541d5dSvikram } else { 249940541d5dSvikram (void) snprintf(buf, sizeof (buf), "%d", 250040541d5dSvikram default_entry->entryNum); 250140541d5dSvikram default_lp->arg = s_strdup(buf); 250240541d5dSvikram } 250340541d5dSvikram 250440541d5dSvikram /* 250540541d5dSvikram * The following is required since only the line field gets 250640541d5dSvikram * written back to menu.lst 250740541d5dSvikram */ 250840541d5dSvikram (void) snprintf(buf, sizeof (buf), "%s%s%s", 250940541d5dSvikram menu_cmds[DEFAULT_CMD], menu_cmds[SEP_CMD], default_lp->arg); 251040541d5dSvikram default_lp->line = s_strdup(buf); 251140541d5dSvikram } 251240541d5dSvikram 251340541d5dSvikram 25147c478bd9Sstevel@tonic-gate static menu_t * 25157c478bd9Sstevel@tonic-gate menu_read(char *menu_path) 25167c478bd9Sstevel@tonic-gate { 25177c478bd9Sstevel@tonic-gate FILE *fp; 25187c478bd9Sstevel@tonic-gate char buf[BAM_MAXLINE], *cp; 25197c478bd9Sstevel@tonic-gate menu_t *mp; 25207c478bd9Sstevel@tonic-gate int line, entry, len, n; 25217c478bd9Sstevel@tonic-gate 25227c478bd9Sstevel@tonic-gate mp = s_calloc(1, sizeof (menu_t)); 25237c478bd9Sstevel@tonic-gate 25247c478bd9Sstevel@tonic-gate fp = fopen(menu_path, "r"); 25257c478bd9Sstevel@tonic-gate if (fp == NULL) { /* Let the caller handle this error */ 25267c478bd9Sstevel@tonic-gate return (mp); 25277c478bd9Sstevel@tonic-gate } 25287c478bd9Sstevel@tonic-gate 25297c478bd9Sstevel@tonic-gate 25307c478bd9Sstevel@tonic-gate /* Note: GRUB boot entry number starts with 0 */ 25317c478bd9Sstevel@tonic-gate line = LINE_INIT; 25327c478bd9Sstevel@tonic-gate entry = ENTRY_INIT; 25337c478bd9Sstevel@tonic-gate cp = buf; 25347c478bd9Sstevel@tonic-gate len = sizeof (buf); 25357c478bd9Sstevel@tonic-gate while (s_fgets(cp, len, fp) != NULL) { 25367c478bd9Sstevel@tonic-gate n = strlen(cp); 25377c478bd9Sstevel@tonic-gate if (cp[n - 1] == '\\') { 25387c478bd9Sstevel@tonic-gate len -= n - 1; 25397c478bd9Sstevel@tonic-gate assert(len >= 2); 25407c478bd9Sstevel@tonic-gate cp += n - 1; 25417c478bd9Sstevel@tonic-gate continue; 25427c478bd9Sstevel@tonic-gate } 25437c478bd9Sstevel@tonic-gate line_parser(mp, buf, &line, &entry); 25447c478bd9Sstevel@tonic-gate cp = buf; 25457c478bd9Sstevel@tonic-gate len = sizeof (buf); 25467c478bd9Sstevel@tonic-gate } 25477c478bd9Sstevel@tonic-gate 25487c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 25497c478bd9Sstevel@tonic-gate bam_error(CLOSE_FAIL, menu_path, strerror(errno)); 25507c478bd9Sstevel@tonic-gate } 25517c478bd9Sstevel@tonic-gate 25527c478bd9Sstevel@tonic-gate return (mp); 25537c478bd9Sstevel@tonic-gate } 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate static error_t 25567c478bd9Sstevel@tonic-gate selector(menu_t *mp, char *opt, int *entry, char **title) 25577c478bd9Sstevel@tonic-gate { 25587c478bd9Sstevel@tonic-gate char *eq; 25597c478bd9Sstevel@tonic-gate char *opt_dup; 25607c478bd9Sstevel@tonic-gate int entryNum; 25617c478bd9Sstevel@tonic-gate 25627c478bd9Sstevel@tonic-gate assert(mp); 25637c478bd9Sstevel@tonic-gate assert(mp->start); 25647c478bd9Sstevel@tonic-gate assert(opt); 25657c478bd9Sstevel@tonic-gate 25667c478bd9Sstevel@tonic-gate opt_dup = s_strdup(opt); 25677c478bd9Sstevel@tonic-gate 25687c478bd9Sstevel@tonic-gate if (entry) 25697c478bd9Sstevel@tonic-gate *entry = ENTRY_INIT; 25707c478bd9Sstevel@tonic-gate if (title) 25717c478bd9Sstevel@tonic-gate *title = NULL; 25727c478bd9Sstevel@tonic-gate 25737c478bd9Sstevel@tonic-gate eq = strchr(opt_dup, '='); 25747c478bd9Sstevel@tonic-gate if (eq == NULL) { 25757c478bd9Sstevel@tonic-gate bam_error(INVALID_OPT, opt); 25767c478bd9Sstevel@tonic-gate free(opt_dup); 25777c478bd9Sstevel@tonic-gate return (BAM_ERROR); 25787c478bd9Sstevel@tonic-gate } 25797c478bd9Sstevel@tonic-gate 25807c478bd9Sstevel@tonic-gate *eq = '\0'; 25817c478bd9Sstevel@tonic-gate if (entry && strcmp(opt_dup, OPT_ENTRY_NUM) == 0) { 25827c478bd9Sstevel@tonic-gate assert(mp->end); 25837c478bd9Sstevel@tonic-gate entryNum = s_strtol(eq + 1); 25847c478bd9Sstevel@tonic-gate if (entryNum < 0 || entryNum > mp->end->entryNum) { 25857c478bd9Sstevel@tonic-gate bam_error(INVALID_ENTRY, eq + 1); 25867c478bd9Sstevel@tonic-gate free(opt_dup); 25877c478bd9Sstevel@tonic-gate return (BAM_ERROR); 25887c478bd9Sstevel@tonic-gate } 25897c478bd9Sstevel@tonic-gate *entry = entryNum; 25907c478bd9Sstevel@tonic-gate } else if (title && strcmp(opt_dup, menu_cmds[TITLE_CMD]) == 0) { 25917c478bd9Sstevel@tonic-gate *title = opt + (eq - opt_dup) + 1; 25927c478bd9Sstevel@tonic-gate } else { 25937c478bd9Sstevel@tonic-gate bam_error(INVALID_OPT, opt); 25947c478bd9Sstevel@tonic-gate free(opt_dup); 25957c478bd9Sstevel@tonic-gate return (BAM_ERROR); 25967c478bd9Sstevel@tonic-gate } 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate free(opt_dup); 25997c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 26007c478bd9Sstevel@tonic-gate } 26017c478bd9Sstevel@tonic-gate 26027c478bd9Sstevel@tonic-gate /* 26037c478bd9Sstevel@tonic-gate * If invoked with no titles/entries (opt == NULL) 26047c478bd9Sstevel@tonic-gate * only title lines in file are printed. 26057c478bd9Sstevel@tonic-gate * 26067c478bd9Sstevel@tonic-gate * If invoked with a title or entry #, all 26077c478bd9Sstevel@tonic-gate * lines in *every* matching entry are listed 26087c478bd9Sstevel@tonic-gate */ 26097c478bd9Sstevel@tonic-gate static error_t 26107c478bd9Sstevel@tonic-gate list_entry(menu_t *mp, char *menu_path, char *opt) 26117c478bd9Sstevel@tonic-gate { 26127c478bd9Sstevel@tonic-gate line_t *lp; 26137c478bd9Sstevel@tonic-gate int entry = ENTRY_INIT; 26147c478bd9Sstevel@tonic-gate int found; 26157c478bd9Sstevel@tonic-gate char *title = NULL; 26167c478bd9Sstevel@tonic-gate 26177c478bd9Sstevel@tonic-gate assert(mp); 26187c478bd9Sstevel@tonic-gate assert(menu_path); 26197c478bd9Sstevel@tonic-gate 26207c478bd9Sstevel@tonic-gate if (mp->start == NULL) { 26217c478bd9Sstevel@tonic-gate bam_error(NO_MENU, menu_path); 26227c478bd9Sstevel@tonic-gate return (BAM_ERROR); 26237c478bd9Sstevel@tonic-gate } 26247c478bd9Sstevel@tonic-gate 26257c478bd9Sstevel@tonic-gate if (opt != NULL) { 26267c478bd9Sstevel@tonic-gate if (selector(mp, opt, &entry, &title) != BAM_SUCCESS) { 26277c478bd9Sstevel@tonic-gate return (BAM_ERROR); 26287c478bd9Sstevel@tonic-gate } 26297c478bd9Sstevel@tonic-gate assert((entry != ENTRY_INIT) ^ (title != NULL)); 26307c478bd9Sstevel@tonic-gate } else { 26317c478bd9Sstevel@tonic-gate (void) read_globals(mp, menu_path, menu_cmds[DEFAULT_CMD], 0); 26327c478bd9Sstevel@tonic-gate (void) read_globals(mp, menu_path, menu_cmds[TIMEOUT_CMD], 0); 26337c478bd9Sstevel@tonic-gate } 26347c478bd9Sstevel@tonic-gate 26357c478bd9Sstevel@tonic-gate found = 0; 26367c478bd9Sstevel@tonic-gate for (lp = mp->start; lp; lp = lp->next) { 26377c478bd9Sstevel@tonic-gate if (lp->flags == BAM_COMMENT || lp->flags == BAM_EMPTY) 26387c478bd9Sstevel@tonic-gate continue; 26397c478bd9Sstevel@tonic-gate if (opt == NULL && lp->flags == BAM_TITLE) { 26407c478bd9Sstevel@tonic-gate bam_print(PRINT_TITLE, lp->entryNum, 26417c478bd9Sstevel@tonic-gate lp->arg); 26427c478bd9Sstevel@tonic-gate found = 1; 26437c478bd9Sstevel@tonic-gate continue; 26447c478bd9Sstevel@tonic-gate } 26457c478bd9Sstevel@tonic-gate if (entry != ENTRY_INIT && lp->entryNum == entry) { 26467c478bd9Sstevel@tonic-gate bam_print(PRINT, lp->line); 26477c478bd9Sstevel@tonic-gate found = 1; 26487c478bd9Sstevel@tonic-gate continue; 26497c478bd9Sstevel@tonic-gate } 26507c478bd9Sstevel@tonic-gate 26517c478bd9Sstevel@tonic-gate /* 26527c478bd9Sstevel@tonic-gate * We set the entry value here so that all lines 26537c478bd9Sstevel@tonic-gate * in entry get printed. If we subsequently match 26547c478bd9Sstevel@tonic-gate * title in other entries, all lines in those 26557c478bd9Sstevel@tonic-gate * entries get printed as well. 26567c478bd9Sstevel@tonic-gate */ 26577c478bd9Sstevel@tonic-gate if (title && lp->flags == BAM_TITLE && lp->arg && 26587c478bd9Sstevel@tonic-gate strncmp(title, lp->arg, strlen(title)) == 0) { 26597c478bd9Sstevel@tonic-gate bam_print(PRINT, lp->line); 26607c478bd9Sstevel@tonic-gate entry = lp->entryNum; 26617c478bd9Sstevel@tonic-gate found = 1; 26627c478bd9Sstevel@tonic-gate continue; 26637c478bd9Sstevel@tonic-gate } 26647c478bd9Sstevel@tonic-gate } 26657c478bd9Sstevel@tonic-gate 26667c478bd9Sstevel@tonic-gate if (!found) { 26677c478bd9Sstevel@tonic-gate bam_error(NO_MATCH_ENTRY); 26687c478bd9Sstevel@tonic-gate return (BAM_ERROR); 26697c478bd9Sstevel@tonic-gate } 26707c478bd9Sstevel@tonic-gate 26717c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 26727c478bd9Sstevel@tonic-gate } 26737c478bd9Sstevel@tonic-gate 26747c478bd9Sstevel@tonic-gate static int 26757c478bd9Sstevel@tonic-gate add_boot_entry(menu_t *mp, 26767c478bd9Sstevel@tonic-gate char *title, 26777c478bd9Sstevel@tonic-gate char *root, 26787c478bd9Sstevel@tonic-gate char *kernel, 26797c478bd9Sstevel@tonic-gate char *module) 26807c478bd9Sstevel@tonic-gate { 26817c478bd9Sstevel@tonic-gate int lineNum, entryNum; 26827c478bd9Sstevel@tonic-gate char linebuf[BAM_MAXLINE]; 26837c478bd9Sstevel@tonic-gate 26847c478bd9Sstevel@tonic-gate assert(mp); 26857c478bd9Sstevel@tonic-gate 26867c478bd9Sstevel@tonic-gate if (title == NULL) { 2687ee3b8144Sszhou title = "Solaris"; /* default to Solaris */ 26887c478bd9Sstevel@tonic-gate } 26897c478bd9Sstevel@tonic-gate if (kernel == NULL) { 26907c478bd9Sstevel@tonic-gate bam_error(SUBOPT_MISS, menu_cmds[KERNEL_CMD]); 26917c478bd9Sstevel@tonic-gate return (BAM_ERROR); 26927c478bd9Sstevel@tonic-gate } 26937c478bd9Sstevel@tonic-gate if (module == NULL) { 26947c478bd9Sstevel@tonic-gate bam_error(SUBOPT_MISS, menu_cmds[MODULE_CMD]); 26957c478bd9Sstevel@tonic-gate return (BAM_ERROR); 26967c478bd9Sstevel@tonic-gate } 26977c478bd9Sstevel@tonic-gate 26987c478bd9Sstevel@tonic-gate if (mp->start) { 26997c478bd9Sstevel@tonic-gate lineNum = mp->end->lineNum; 27007c478bd9Sstevel@tonic-gate entryNum = mp->end->entryNum; 27017c478bd9Sstevel@tonic-gate } else { 27027c478bd9Sstevel@tonic-gate lineNum = LINE_INIT; 27037c478bd9Sstevel@tonic-gate entryNum = ENTRY_INIT; 27047c478bd9Sstevel@tonic-gate } 27057c478bd9Sstevel@tonic-gate 27067c478bd9Sstevel@tonic-gate /* 27077c478bd9Sstevel@tonic-gate * No separator for comment (HDR/FTR) commands 27087c478bd9Sstevel@tonic-gate * The syntax for comments is #<comment> 27097c478bd9Sstevel@tonic-gate */ 27107c478bd9Sstevel@tonic-gate (void) snprintf(linebuf, sizeof (linebuf), "%s%s", 27117c478bd9Sstevel@tonic-gate menu_cmds[COMMENT_CMD], BAM_HDR); 27128c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 27137c478bd9Sstevel@tonic-gate 27147c478bd9Sstevel@tonic-gate (void) snprintf(linebuf, sizeof (linebuf), "%s%s%s", 27157c478bd9Sstevel@tonic-gate menu_cmds[TITLE_CMD], menu_cmds[SEP_CMD], title); 27168c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 27177c478bd9Sstevel@tonic-gate 27188c1b6884Sszhou if (root) { 27198c1b6884Sszhou (void) snprintf(linebuf, sizeof (linebuf), "%s%s%s", 27208c1b6884Sszhou menu_cmds[ROOT_CMD], menu_cmds[SEP_CMD], root); 27218c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 27227c478bd9Sstevel@tonic-gate } 27237c478bd9Sstevel@tonic-gate 27247c478bd9Sstevel@tonic-gate (void) snprintf(linebuf, sizeof (linebuf), "%s%s%s", 27257c478bd9Sstevel@tonic-gate menu_cmds[KERNEL_CMD], menu_cmds[SEP_CMD], kernel); 27268c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 27277c478bd9Sstevel@tonic-gate 27287c478bd9Sstevel@tonic-gate (void) snprintf(linebuf, sizeof (linebuf), "%s%s%s", 27297c478bd9Sstevel@tonic-gate menu_cmds[MODULE_CMD], menu_cmds[SEP_CMD], module); 27308c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 27317c478bd9Sstevel@tonic-gate 27327c478bd9Sstevel@tonic-gate (void) snprintf(linebuf, sizeof (linebuf), "%s%s", 27337c478bd9Sstevel@tonic-gate menu_cmds[COMMENT_CMD], BAM_FTR); 27348c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 27357c478bd9Sstevel@tonic-gate 27367c478bd9Sstevel@tonic-gate return (entryNum); 27377c478bd9Sstevel@tonic-gate } 27387c478bd9Sstevel@tonic-gate 27397c478bd9Sstevel@tonic-gate static error_t 27407c478bd9Sstevel@tonic-gate do_delete(menu_t *mp, int entryNum) 27417c478bd9Sstevel@tonic-gate { 27428c1b6884Sszhou line_t *lp, *freed; 27438c1b6884Sszhou entry_t *ent, *tmp; 27447c478bd9Sstevel@tonic-gate int deleted; 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate assert(entryNum != ENTRY_INIT); 27477c478bd9Sstevel@tonic-gate 27488c1b6884Sszhou ent = mp->entries; 27498c1b6884Sszhou while (ent) { 27508c1b6884Sszhou lp = ent->start; 27518c1b6884Sszhou /* check entry number and make sure it's a bootadm entry */ 27528c1b6884Sszhou if (lp->flags != BAM_COMMENT || 27538c1b6884Sszhou strcmp(lp->arg, BAM_HDR) != 0 || 27548c1b6884Sszhou (entryNum != ALL_ENTRIES && lp->entryNum != entryNum)) { 27558c1b6884Sszhou ent = ent->next; 27567c478bd9Sstevel@tonic-gate continue; 27577c478bd9Sstevel@tonic-gate } 27587c478bd9Sstevel@tonic-gate 27598c1b6884Sszhou /* free the entry content */ 27608c1b6884Sszhou do { 27618c1b6884Sszhou freed = lp; 27628c1b6884Sszhou lp = lp->next; /* prev stays the same */ 27638c1b6884Sszhou unlink_line(mp, freed); 27648c1b6884Sszhou line_free(freed); 27658c1b6884Sszhou } while (freed != ent->end); 27668c1b6884Sszhou 27678c1b6884Sszhou /* free the entry_t structure */ 27688c1b6884Sszhou tmp = ent; 27698c1b6884Sszhou ent = ent->next; 27708c1b6884Sszhou if (tmp->prev) 27718c1b6884Sszhou tmp->prev->next = ent; 27727c478bd9Sstevel@tonic-gate else 27738c1b6884Sszhou mp->entries = ent; 27748c1b6884Sszhou if (ent) 27758c1b6884Sszhou ent->prev = tmp->prev; 27767c478bd9Sstevel@tonic-gate deleted = 1; 27777c478bd9Sstevel@tonic-gate } 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate if (!deleted && entryNum != ALL_ENTRIES) { 27807c478bd9Sstevel@tonic-gate bam_error(NO_BOOTADM_MATCH); 27817c478bd9Sstevel@tonic-gate return (BAM_ERROR); 27827c478bd9Sstevel@tonic-gate } 27837c478bd9Sstevel@tonic-gate 278440541d5dSvikram /* 278540541d5dSvikram * Now that we have deleted an entry, update 278640541d5dSvikram * the entry numbering and the default cmd. 278740541d5dSvikram */ 278840541d5dSvikram update_numbering(mp); 278940541d5dSvikram 27907c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 27917c478bd9Sstevel@tonic-gate } 27927c478bd9Sstevel@tonic-gate 27937c478bd9Sstevel@tonic-gate static error_t 27947c478bd9Sstevel@tonic-gate delete_all_entries(menu_t *mp, char *menu_path, char *opt) 27957c478bd9Sstevel@tonic-gate { 27967c478bd9Sstevel@tonic-gate assert(mp); 27977c478bd9Sstevel@tonic-gate assert(opt == NULL); 27987c478bd9Sstevel@tonic-gate 27997c478bd9Sstevel@tonic-gate if (mp->start == NULL) { 28007c478bd9Sstevel@tonic-gate bam_print(EMPTY_FILE, menu_path); 28017c478bd9Sstevel@tonic-gate return (BAM_SUCCESS); 28027c478bd9Sstevel@tonic-gate } 28037c478bd9Sstevel@tonic-gate 28047c478bd9Sstevel@tonic-gate if (do_delete(mp, ALL_ENTRIES) != BAM_SUCCESS) { 28057c478bd9Sstevel@tonic-gate return (BAM_ERROR); 28067c478bd9Sstevel@tonic-gate } 28077c478bd9Sstevel@tonic-gate 28087c478bd9Sstevel@tonic-gate return (BAM_WRITE); 28097c478bd9Sstevel@tonic-gate } 28107c478bd9Sstevel@tonic-gate 28117c478bd9Sstevel@tonic-gate static FILE * 28128c1b6884Sszhou open_diskmap(char *root) 28137c478bd9Sstevel@tonic-gate { 28147c478bd9Sstevel@tonic-gate FILE *fp; 28157c478bd9Sstevel@tonic-gate char cmd[PATH_MAX]; 28167c478bd9Sstevel@tonic-gate 28177c478bd9Sstevel@tonic-gate /* make sure we have a map file */ 28187c478bd9Sstevel@tonic-gate fp = fopen(GRUBDISK_MAP, "r"); 28197c478bd9Sstevel@tonic-gate if (fp == NULL) { 28207c478bd9Sstevel@tonic-gate (void) snprintf(cmd, sizeof (cmd), 28218c1b6884Sszhou "%s%s > /dev/null", root, CREATE_DISKMAP); 28227c478bd9Sstevel@tonic-gate (void) system(cmd); 28237c478bd9Sstevel@tonic-gate fp = fopen(GRUBDISK_MAP, "r"); 28247c478bd9Sstevel@tonic-gate } 28257c478bd9Sstevel@tonic-gate return (fp); 28267c478bd9Sstevel@tonic-gate } 28277c478bd9Sstevel@tonic-gate 28287c478bd9Sstevel@tonic-gate #define SECTOR_SIZE 512 28297c478bd9Sstevel@tonic-gate 28307c478bd9Sstevel@tonic-gate static int 28317c478bd9Sstevel@tonic-gate get_partition(char *device) 28327c478bd9Sstevel@tonic-gate { 28337c478bd9Sstevel@tonic-gate int i, fd, is_pcfs, partno = -1; 28347c478bd9Sstevel@tonic-gate struct mboot *mboot; 28357c478bd9Sstevel@tonic-gate char boot_sect[SECTOR_SIZE]; 28367c478bd9Sstevel@tonic-gate char *wholedisk, *slice; 28377c478bd9Sstevel@tonic-gate 28387c478bd9Sstevel@tonic-gate /* form whole disk (p0) */ 28397c478bd9Sstevel@tonic-gate slice = device + strlen(device) - 2; 28407c478bd9Sstevel@tonic-gate is_pcfs = (*slice != 's'); 28417c478bd9Sstevel@tonic-gate if (!is_pcfs) 28427c478bd9Sstevel@tonic-gate *slice = '\0'; 28437c478bd9Sstevel@tonic-gate wholedisk = s_calloc(1, strlen(device) + 3); 28447c478bd9Sstevel@tonic-gate (void) snprintf(wholedisk, strlen(device) + 3, "%sp0", device); 28457c478bd9Sstevel@tonic-gate if (!is_pcfs) 28467c478bd9Sstevel@tonic-gate *slice = 's'; 28477c478bd9Sstevel@tonic-gate 28487c478bd9Sstevel@tonic-gate /* read boot sector */ 28497c478bd9Sstevel@tonic-gate fd = open(wholedisk, O_RDONLY); 28507c478bd9Sstevel@tonic-gate free(wholedisk); 28517c478bd9Sstevel@tonic-gate if (fd == -1 || read(fd, boot_sect, SECTOR_SIZE) != SECTOR_SIZE) { 28527c478bd9Sstevel@tonic-gate return (partno); 28537c478bd9Sstevel@tonic-gate } 28547c478bd9Sstevel@tonic-gate (void) close(fd); 28557c478bd9Sstevel@tonic-gate 28567c478bd9Sstevel@tonic-gate /* parse fdisk table */ 28577c478bd9Sstevel@tonic-gate mboot = (struct mboot *)((void *)boot_sect); 28587c478bd9Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 28597c478bd9Sstevel@tonic-gate struct ipart *part = 28607c478bd9Sstevel@tonic-gate (struct ipart *)(uintptr_t)mboot->parts + i; 28617c478bd9Sstevel@tonic-gate if (is_pcfs) { /* looking for solaris boot part */ 28627c478bd9Sstevel@tonic-gate if (part->systid == 0xbe) { 28637c478bd9Sstevel@tonic-gate partno = i; 28647c478bd9Sstevel@tonic-gate break; 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate } else { /* look for solaris partition, old and new */ 28677c478bd9Sstevel@tonic-gate if (part->systid == SUNIXOS || 28687c478bd9Sstevel@tonic-gate part->systid == SUNIXOS2) { 28697c478bd9Sstevel@tonic-gate partno = i; 28707c478bd9Sstevel@tonic-gate break; 28717c478bd9Sstevel@tonic-gate } 28727c478bd9Sstevel@tonic-gate } 28737c478bd9Sstevel@tonic-gate } 28747c478bd9Sstevel@tonic-gate return (partno); 28757c478bd9Sstevel@tonic-gate } 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate static char * 28787c478bd9Sstevel@tonic-gate get_grubdisk(char *rootdev, FILE *fp, int on_bootdev) 28797c478bd9Sstevel@tonic-gate { 28807c478bd9Sstevel@tonic-gate char *grubdisk; /* (hd#,#,#) */ 28817c478bd9Sstevel@tonic-gate char *slice; 28827c478bd9Sstevel@tonic-gate char *grubhd; 28837c478bd9Sstevel@tonic-gate int fdiskpart; 28847c478bd9Sstevel@tonic-gate int found = 0; 28857c478bd9Sstevel@tonic-gate char *devname, *ctdname = strstr(rootdev, "dsk/"); 28867c478bd9Sstevel@tonic-gate char linebuf[PATH_MAX]; 28877c478bd9Sstevel@tonic-gate 28887c478bd9Sstevel@tonic-gate if (ctdname == NULL) 28897c478bd9Sstevel@tonic-gate return (NULL); 28907c478bd9Sstevel@tonic-gate 28917c478bd9Sstevel@tonic-gate ctdname += strlen("dsk/"); 28927c478bd9Sstevel@tonic-gate slice = strrchr(ctdname, 's'); 28937c478bd9Sstevel@tonic-gate if (slice) 28947c478bd9Sstevel@tonic-gate *slice = '\0'; 28957c478bd9Sstevel@tonic-gate 28967c478bd9Sstevel@tonic-gate rewind(fp); 28977c478bd9Sstevel@tonic-gate while (s_fgets(linebuf, sizeof (linebuf), fp) != NULL) { 28987c478bd9Sstevel@tonic-gate grubhd = strtok(linebuf, " \t\n"); 28997c478bd9Sstevel@tonic-gate if (grubhd) 29007c478bd9Sstevel@tonic-gate devname = strtok(NULL, " \t\n"); 29017c478bd9Sstevel@tonic-gate else 29027c478bd9Sstevel@tonic-gate devname = NULL; 29037c478bd9Sstevel@tonic-gate if (devname && strcmp(devname, ctdname) == 0) { 29047c478bd9Sstevel@tonic-gate found = 1; 29057c478bd9Sstevel@tonic-gate break; 29067c478bd9Sstevel@tonic-gate } 29077c478bd9Sstevel@tonic-gate } 29087c478bd9Sstevel@tonic-gate 29097c478bd9Sstevel@tonic-gate if (slice) 29107c478bd9Sstevel@tonic-gate *slice = 's'; 29117c478bd9Sstevel@tonic-gate 29127c478bd9Sstevel@tonic-gate if (found == 0) { 29137c478bd9Sstevel@tonic-gate if (bam_verbose) 29147c478bd9Sstevel@tonic-gate bam_print(DISKMAP_FAIL_NONFATAL, rootdev); 29157c478bd9Sstevel@tonic-gate grubhd = "0"; /* assume disk 0 if can't match */ 29167c478bd9Sstevel@tonic-gate } 29177c478bd9Sstevel@tonic-gate 29187c478bd9Sstevel@tonic-gate fdiskpart = get_partition(rootdev); 29197c478bd9Sstevel@tonic-gate if (fdiskpart == -1) 29207c478bd9Sstevel@tonic-gate return (NULL); 29217c478bd9Sstevel@tonic-gate 29227c478bd9Sstevel@tonic-gate grubdisk = s_calloc(1, 10); 29237c478bd9Sstevel@tonic-gate if (slice) { 29247c478bd9Sstevel@tonic-gate (void) snprintf(grubdisk, 10, "(hd%s,%d,%c)", 29257c478bd9Sstevel@tonic-gate grubhd, fdiskpart, slice[1] + 'a' - '0'); 29267c478bd9Sstevel@tonic-gate } else 29277c478bd9Sstevel@tonic-gate (void) snprintf(grubdisk, 10, "(hd%s,%d)", 29287c478bd9Sstevel@tonic-gate grubhd, fdiskpart); 29297c478bd9Sstevel@tonic-gate 29307c478bd9Sstevel@tonic-gate /* if root not on bootdev, change GRUB disk to 0 */ 29317c478bd9Sstevel@tonic-gate if (!on_bootdev) 29327c478bd9Sstevel@tonic-gate grubdisk[3] = '0'; 29337c478bd9Sstevel@tonic-gate return (grubdisk); 29347c478bd9Sstevel@tonic-gate } 29357c478bd9Sstevel@tonic-gate 2936ee3b8144Sszhou static char * 2937ee3b8144Sszhou get_title(char *rootdir) 29387c478bd9Sstevel@tonic-gate { 29397c478bd9Sstevel@tonic-gate static char title[80]; /* from /etc/release */ 29408c1b6884Sszhou char *cp = NULL, release[PATH_MAX]; 29417c478bd9Sstevel@tonic-gate FILE *fp; 29427c478bd9Sstevel@tonic-gate 29437c478bd9Sstevel@tonic-gate /* open the /etc/release file */ 29447c478bd9Sstevel@tonic-gate (void) snprintf(release, sizeof (release), "%s/etc/release", rootdir); 29457c478bd9Sstevel@tonic-gate 29467c478bd9Sstevel@tonic-gate fp = fopen(release, "r"); 29477c478bd9Sstevel@tonic-gate if (fp == NULL) 2948ee3b8144Sszhou return (NULL); 29497c478bd9Sstevel@tonic-gate 29507c478bd9Sstevel@tonic-gate while (s_fgets(title, sizeof (title), fp) != NULL) { 29517c478bd9Sstevel@tonic-gate cp = strstr(title, "Solaris"); 29527c478bd9Sstevel@tonic-gate if (cp) 29537c478bd9Sstevel@tonic-gate break; 29547c478bd9Sstevel@tonic-gate } 29557c478bd9Sstevel@tonic-gate (void) fclose(fp); 29568c1b6884Sszhou return (cp == NULL ? "Solaris" : cp); 29577c478bd9Sstevel@tonic-gate } 29587c478bd9Sstevel@tonic-gate 29597c478bd9Sstevel@tonic-gate static char * 29607c478bd9Sstevel@tonic-gate get_special(char *mountp) 29617c478bd9Sstevel@tonic-gate { 29627c478bd9Sstevel@tonic-gate FILE *mntfp; 29637c478bd9Sstevel@tonic-gate struct mnttab mp = {0}, mpref = {0}; 29647c478bd9Sstevel@tonic-gate 29657c478bd9Sstevel@tonic-gate mntfp = fopen(MNTTAB, "r"); 29667c478bd9Sstevel@tonic-gate if (mntfp == NULL) { 29677c478bd9Sstevel@tonic-gate return (0); 29687c478bd9Sstevel@tonic-gate } 29697c478bd9Sstevel@tonic-gate 29707c478bd9Sstevel@tonic-gate if (*mountp == '\0') 29717c478bd9Sstevel@tonic-gate mpref.mnt_mountp = "/"; 29727c478bd9Sstevel@tonic-gate else 29737c478bd9Sstevel@tonic-gate mpref.mnt_mountp = mountp; 29747c478bd9Sstevel@tonic-gate if (getmntany(mntfp, &mp, &mpref) != 0) { 29757c478bd9Sstevel@tonic-gate (void) fclose(mntfp); 29767c478bd9Sstevel@tonic-gate return (NULL); 29777c478bd9Sstevel@tonic-gate } 29787c478bd9Sstevel@tonic-gate (void) fclose(mntfp); 29797c478bd9Sstevel@tonic-gate 29807c478bd9Sstevel@tonic-gate return (s_strdup(mp.mnt_special)); 29817c478bd9Sstevel@tonic-gate } 29827c478bd9Sstevel@tonic-gate 29837c478bd9Sstevel@tonic-gate static char * 29847c478bd9Sstevel@tonic-gate os_to_grubdisk(char *osdisk, int on_bootdev) 29857c478bd9Sstevel@tonic-gate { 29867c478bd9Sstevel@tonic-gate FILE *fp; 29877c478bd9Sstevel@tonic-gate char *grubdisk; 29887c478bd9Sstevel@tonic-gate 29897c478bd9Sstevel@tonic-gate /* translate /dev/dsk name to grub disk name */ 29908c1b6884Sszhou fp = open_diskmap(""); 29917c478bd9Sstevel@tonic-gate if (fp == NULL) { 29927c478bd9Sstevel@tonic-gate bam_error(DISKMAP_FAIL, osdisk); 29937c478bd9Sstevel@tonic-gate return (NULL); 29947c478bd9Sstevel@tonic-gate } 29957c478bd9Sstevel@tonic-gate grubdisk = get_grubdisk(osdisk, fp, on_bootdev); 29967c478bd9Sstevel@tonic-gate (void) fclose(fp); 29977c478bd9Sstevel@tonic-gate return (grubdisk); 29987c478bd9Sstevel@tonic-gate } 29997c478bd9Sstevel@tonic-gate 30007c478bd9Sstevel@tonic-gate /* 30017c478bd9Sstevel@tonic-gate * Check if root is on the boot device 30027c478bd9Sstevel@tonic-gate * Return 0 (false) on error 30037c478bd9Sstevel@tonic-gate */ 30047c478bd9Sstevel@tonic-gate static int 30057c478bd9Sstevel@tonic-gate menu_on_bootdev(char *menu_root, FILE *fp) 30067c478bd9Sstevel@tonic-gate { 30077c478bd9Sstevel@tonic-gate int ret; 30087c478bd9Sstevel@tonic-gate char *grubhd, *bootp, *special; 30097c478bd9Sstevel@tonic-gate 30107c478bd9Sstevel@tonic-gate special = get_special(menu_root); 30117c478bd9Sstevel@tonic-gate if (special == NULL) 30127c478bd9Sstevel@tonic-gate return (0); 30137c478bd9Sstevel@tonic-gate bootp = strstr(special, "p0:boot"); 30147c478bd9Sstevel@tonic-gate if (bootp) 30157c478bd9Sstevel@tonic-gate *bootp = '\0'; 30167c478bd9Sstevel@tonic-gate grubhd = get_grubdisk(special, fp, 1); 30177c478bd9Sstevel@tonic-gate free(special); 30187c478bd9Sstevel@tonic-gate 30197c478bd9Sstevel@tonic-gate if (grubhd == NULL) 30207c478bd9Sstevel@tonic-gate return (0); 30217c478bd9Sstevel@tonic-gate ret = grubhd[3] == '0'; 30227c478bd9Sstevel@tonic-gate free(grubhd); 30237c478bd9Sstevel@tonic-gate return (ret); 30247c478bd9Sstevel@tonic-gate } 30257c478bd9Sstevel@tonic-gate 30268c1b6884Sszhou /* 30278c1b6884Sszhou * look for matching bootadm entry with specified parameters 30288c1b6884Sszhou * Here are the rules (based on existing usage): 30298c1b6884Sszhou * - If title is specified, match on title only 30308c1b6884Sszhou * - Else, match on grubdisk and module (don't care about kernel line). 30318c1b6884Sszhou * note that, if root_opt is non-zero, the absence of root line is 30328c1b6884Sszhou * considered a match. 30338c1b6884Sszhou */ 30348c1b6884Sszhou static entry_t * 30358c1b6884Sszhou find_boot_entry(menu_t *mp, char *title, char *root, char *module, 30368c1b6884Sszhou int root_opt, int *entry_num) 30378c1b6884Sszhou { 30388c1b6884Sszhou int i; 30398c1b6884Sszhou line_t *lp; 30408c1b6884Sszhou entry_t *ent; 30418c1b6884Sszhou 30428c1b6884Sszhou /* find matching entry */ 30438c1b6884Sszhou for (i = 0, ent = mp->entries; ent; i++, ent = ent->next) { 30448c1b6884Sszhou lp = ent->start; 30458c1b6884Sszhou 30468c1b6884Sszhou /* first line of entry must be bootadm comment */ 30478c1b6884Sszhou lp = ent->start; 30488c1b6884Sszhou if (lp->flags != BAM_COMMENT || strcmp(lp->arg, BAM_HDR) != 0) { 30498c1b6884Sszhou continue; 30508c1b6884Sszhou } 30518c1b6884Sszhou 30528c1b6884Sszhou /* advance to title line */ 30538c1b6884Sszhou lp = lp->next; 30548c1b6884Sszhou if (title) { 30558c1b6884Sszhou if (lp->flags == BAM_TITLE && lp->arg && 30568c1b6884Sszhou strcmp(lp->arg, title) == 0) 30578c1b6884Sszhou break; 30588c1b6884Sszhou continue; /* check title only */ 30598c1b6884Sszhou } 30608c1b6884Sszhou 30618c1b6884Sszhou lp = lp->next; /* advance to root line */ 30628c1b6884Sszhou if (lp == NULL || strcmp(lp->cmd, menu_cmds[ROOT_CMD]) == 0) { 30638c1b6884Sszhou /* root command found, match grub disk */ 30648c1b6884Sszhou if (strcmp(lp->arg, root) != 0) { 30658c1b6884Sszhou continue; 30668c1b6884Sszhou } 30678c1b6884Sszhou lp = lp->next; /* advance to kernel line */ 30688c1b6884Sszhou } else { 30698c1b6884Sszhou /* no root command, see if root is optional */ 30708c1b6884Sszhou if (root_opt == 0) { 30718c1b6884Sszhou continue; 30728c1b6884Sszhou } 30738c1b6884Sszhou } 30748c1b6884Sszhou 30758c1b6884Sszhou if (lp == NULL || lp->next == NULL) { 30768c1b6884Sszhou continue; 30778c1b6884Sszhou } 30788c1b6884Sszhou 30798c1b6884Sszhou /* check for matching module entry (failsafe or normal) */ 30808c1b6884Sszhou lp = lp->next; /* advance to module line */ 30818c1b6884Sszhou if (strcmp(lp->cmd, menu_cmds[MODULE_CMD]) != 0 || 30828c1b6884Sszhou strcmp(lp->arg, module) != 0) { 30838c1b6884Sszhou continue; 30848c1b6884Sszhou } 30858c1b6884Sszhou break; /* match found */ 30868c1b6884Sszhou } 30878c1b6884Sszhou 30888c1b6884Sszhou *entry_num = i; 30898c1b6884Sszhou return (ent); 30908c1b6884Sszhou } 30918c1b6884Sszhou 30928c1b6884Sszhou static int 30938c1b6884Sszhou update_boot_entry(menu_t *mp, char *title, char *root, char *kernel, 30948c1b6884Sszhou char *module, int root_opt) 30958c1b6884Sszhou { 30968c1b6884Sszhou int i; 30978c1b6884Sszhou entry_t *ent; 30988c1b6884Sszhou line_t *lp; 30998c1b6884Sszhou char linebuf[BAM_MAXLINE]; 31008c1b6884Sszhou 31018c1b6884Sszhou /* note: don't match on title, it's updated on upgrade */ 31028c1b6884Sszhou ent = find_boot_entry(mp, NULL, root, module, root_opt, &i); 31038c1b6884Sszhou if (ent == NULL) 31048c1b6884Sszhou return (add_boot_entry(mp, title, root_opt ? NULL : root, 31058c1b6884Sszhou kernel, module)); 31068c1b6884Sszhou 31078c1b6884Sszhou /* replace title of exiting entry and delete root line */ 31088c1b6884Sszhou lp = ent->start; 31098c1b6884Sszhou lp = lp->next; /* title line */ 31108c1b6884Sszhou (void) snprintf(linebuf, sizeof (linebuf), "%s%s%s", 31118c1b6884Sszhou menu_cmds[TITLE_CMD], menu_cmds[SEP_CMD], title); 31128c1b6884Sszhou free(lp->arg); 31138c1b6884Sszhou free(lp->line); 31148c1b6884Sszhou lp->arg = s_strdup(title); 31158c1b6884Sszhou lp->line = s_strdup(linebuf); 31168c1b6884Sszhou 31178c1b6884Sszhou lp = lp->next; /* root line */ 31188c1b6884Sszhou if (strcmp(lp->cmd, menu_cmds[ROOT_CMD]) == 0) { 31198c1b6884Sszhou if (root_opt) { /* root line not needed */ 31208c1b6884Sszhou line_t *tmp = lp; 31218c1b6884Sszhou lp = lp->next; 31228c1b6884Sszhou unlink_line(mp, tmp); 31238c1b6884Sszhou line_free(tmp); 31248c1b6884Sszhou } else 31258c1b6884Sszhou lp = lp->next; 31268c1b6884Sszhou } 31278c1b6884Sszhou return (i); 31288c1b6884Sszhou } 31298c1b6884Sszhou 31307c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 31317c478bd9Sstevel@tonic-gate static error_t 31327c478bd9Sstevel@tonic-gate update_entry(menu_t *mp, char *menu_root, char *opt) 31337c478bd9Sstevel@tonic-gate { 31347c478bd9Sstevel@tonic-gate FILE *fp; 31357c478bd9Sstevel@tonic-gate int entry; 31367c478bd9Sstevel@tonic-gate char *grubdisk, *title, *osdev, *osroot; 31378c1b6884Sszhou struct stat sbuf; 31388c1b6884Sszhou char failsafe[256]; 31397c478bd9Sstevel@tonic-gate 31407c478bd9Sstevel@tonic-gate assert(mp); 31417c478bd9Sstevel@tonic-gate assert(opt); 31427c478bd9Sstevel@tonic-gate 31437c478bd9Sstevel@tonic-gate osdev = strtok(opt, ","); 31447c478bd9Sstevel@tonic-gate osroot = strtok(NULL, ","); 31457c478bd9Sstevel@tonic-gate if (osroot == NULL) 31467c478bd9Sstevel@tonic-gate osroot = menu_root; 31477c478bd9Sstevel@tonic-gate title = get_title(osroot); 31487c478bd9Sstevel@tonic-gate 31497c478bd9Sstevel@tonic-gate /* translate /dev/dsk name to grub disk name */ 31508c1b6884Sszhou fp = open_diskmap(osroot); 31517c478bd9Sstevel@tonic-gate if (fp == NULL) { 31527c478bd9Sstevel@tonic-gate bam_error(DISKMAP_FAIL, osdev); 31537c478bd9Sstevel@tonic-gate return (BAM_ERROR); 31547c478bd9Sstevel@tonic-gate } 31557c478bd9Sstevel@tonic-gate grubdisk = get_grubdisk(osdev, fp, menu_on_bootdev(menu_root, fp)); 31567c478bd9Sstevel@tonic-gate (void) fclose(fp); 31577c478bd9Sstevel@tonic-gate if (grubdisk == NULL) { 31587c478bd9Sstevel@tonic-gate bam_error(DISKMAP_FAIL, osdev); 31597c478bd9Sstevel@tonic-gate return (BAM_ERROR); 31607c478bd9Sstevel@tonic-gate } 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate /* add the entry for normal Solaris */ 31638c1b6884Sszhou entry = update_boot_entry(mp, title, grubdisk, 31647c478bd9Sstevel@tonic-gate "/platform/i86pc/multiboot", 31658c1b6884Sszhou "/platform/i86pc/boot_archive", 31668c1b6884Sszhou osroot == menu_root); 31677c478bd9Sstevel@tonic-gate 31687c478bd9Sstevel@tonic-gate /* add the entry for failsafe archive */ 31698c1b6884Sszhou (void) snprintf(failsafe, sizeof (failsafe), 31708c1b6884Sszhou "%s/boot/x86.miniroot-safe", osroot); 31718c1b6884Sszhou if (stat(failsafe, &sbuf) == 0) 31728c1b6884Sszhou (void) update_boot_entry(mp, "Solaris failsafe", grubdisk, 31738c1b6884Sszhou "/boot/multiboot kernel/unix -s", 31748c1b6884Sszhou "/boot/x86.miniroot-safe", 31758c1b6884Sszhou osroot == menu_root); 31767c478bd9Sstevel@tonic-gate free(grubdisk); 31777c478bd9Sstevel@tonic-gate 31787c478bd9Sstevel@tonic-gate if (entry == BAM_ERROR) { 31797c478bd9Sstevel@tonic-gate return (BAM_ERROR); 31807c478bd9Sstevel@tonic-gate } 31817c478bd9Sstevel@tonic-gate (void) set_global(mp, menu_cmds[DEFAULT_CMD], entry); 31827c478bd9Sstevel@tonic-gate return (BAM_WRITE); 31837c478bd9Sstevel@tonic-gate } 31847c478bd9Sstevel@tonic-gate 3185b610f78eSvikram static char * 3186b610f78eSvikram read_grub_root(void) 3187b610f78eSvikram { 3188b610f78eSvikram FILE *fp; 3189b610f78eSvikram struct stat sb; 3190b610f78eSvikram char buf[BAM_MAXLINE]; 3191b610f78eSvikram char *rootstr; 3192b610f78eSvikram 3193b610f78eSvikram if (stat(GRUB_slice, &sb) != 0) { 3194b610f78eSvikram bam_error(MISSING_SLICE_FILE, GRUB_slice, strerror(errno)); 3195b610f78eSvikram return (NULL); 3196b610f78eSvikram } 3197b610f78eSvikram 3198b610f78eSvikram if (stat(GRUB_root, &sb) != 0) { 3199b610f78eSvikram bam_error(MISSING_ROOT_FILE, GRUB_root, strerror(errno)); 3200b610f78eSvikram return (NULL); 3201b610f78eSvikram } 3202b610f78eSvikram 3203b610f78eSvikram fp = fopen(GRUB_root, "r"); 3204b610f78eSvikram if (fp == NULL) { 3205b610f78eSvikram bam_error(OPEN_FAIL, GRUB_root, strerror(errno)); 3206b610f78eSvikram return (NULL); 3207b610f78eSvikram } 3208b610f78eSvikram 3209b610f78eSvikram if (s_fgets(buf, sizeof (buf), fp) == NULL) { 3210b610f78eSvikram bam_error(EMPTY_FILE, GRUB_root, strerror(errno)); 3211b610f78eSvikram (void) fclose(fp); 3212b610f78eSvikram return (NULL); 3213b610f78eSvikram } 3214b610f78eSvikram 3215b610f78eSvikram /* 3216b610f78eSvikram * Copy buf here as check below may trash the buffer 3217b610f78eSvikram */ 3218b610f78eSvikram rootstr = s_strdup(buf); 3219b610f78eSvikram 3220b610f78eSvikram if (s_fgets(buf, sizeof (buf), fp) != NULL) { 3221b610f78eSvikram bam_error(BAD_ROOT_FILE, GRUB_root); 3222b610f78eSvikram free(rootstr); 3223b610f78eSvikram rootstr = NULL; 3224b610f78eSvikram } 3225b610f78eSvikram 3226b610f78eSvikram (void) fclose(fp); 3227b610f78eSvikram 3228b610f78eSvikram return (rootstr); 3229b610f78eSvikram } 3230b610f78eSvikram 32318c1b6884Sszhou static void 32328c1b6884Sszhou save_default_entry(menu_t *mp) 32338c1b6884Sszhou { 32348c1b6884Sszhou int lineNum, entryNum; 32358c1b6884Sszhou int entry = 0; /* default is 0 */ 32368c1b6884Sszhou char linebuf[BAM_MAXLINE]; 32378c1b6884Sszhou line_t *lp = mp->curdefault; 32388c1b6884Sszhou 32398c1b6884Sszhou if (lp) 32408c1b6884Sszhou entry = s_strtol(lp->arg); 32418c1b6884Sszhou 32428c1b6884Sszhou (void) snprintf(linebuf, sizeof (linebuf), "#%s%d", BAM_OLDDEF, entry); 32438c1b6884Sszhou line_parser(mp, linebuf, &lineNum, &entryNum); 32448c1b6884Sszhou } 32458c1b6884Sszhou 32468c1b6884Sszhou static void 32478c1b6884Sszhou restore_default_entry(menu_t *mp) 32488c1b6884Sszhou { 32498c1b6884Sszhou int entry; 32508c1b6884Sszhou char *str; 32518c1b6884Sszhou line_t *lp = mp->olddefault; 32528c1b6884Sszhou 32538c1b6884Sszhou if (lp == NULL) 32548c1b6884Sszhou return; /* nothing to restore */ 32558c1b6884Sszhou 32568c1b6884Sszhou str = lp->arg + strlen(BAM_OLDDEF); 32578c1b6884Sszhou entry = s_strtol(str); 32588c1b6884Sszhou (void) set_global(mp, menu_cmds[DEFAULT_CMD], entry); 32598c1b6884Sszhou 32608c1b6884Sszhou /* delete saved old default line */ 32618c1b6884Sszhou mp->olddefault = NULL; 32628c1b6884Sszhou unlink_line(mp, lp); 32638c1b6884Sszhou line_free(lp); 32648c1b6884Sszhou } 32658c1b6884Sszhou 32667c478bd9Sstevel@tonic-gate /* 32677c478bd9Sstevel@tonic-gate * This function is for supporting reboot with args. 32687c478bd9Sstevel@tonic-gate * The opt value can be: 32697c478bd9Sstevel@tonic-gate * NULL delete temp entry, if present 32707c478bd9Sstevel@tonic-gate * entry=# switches default entry to 1 32717c478bd9Sstevel@tonic-gate * else treated as boot-args and setup a temperary menu entry 32727c478bd9Sstevel@tonic-gate * and make it the default 32737c478bd9Sstevel@tonic-gate */ 32747c478bd9Sstevel@tonic-gate #define REBOOT_TITLE "Solaris_reboot_transient" 32757c478bd9Sstevel@tonic-gate 32768c1b6884Sszhou /*ARGSUSED*/ 32777c478bd9Sstevel@tonic-gate static error_t 32787c478bd9Sstevel@tonic-gate update_temp(menu_t *mp, char *menupath, char *opt) 32797c478bd9Sstevel@tonic-gate { 32807c478bd9Sstevel@tonic-gate int entry; 32817c478bd9Sstevel@tonic-gate char *grubdisk, *rootdev; 32827c478bd9Sstevel@tonic-gate char kernbuf[1024]; 3283b610f78eSvikram struct stat sb; 32847c478bd9Sstevel@tonic-gate 32857c478bd9Sstevel@tonic-gate assert(mp); 32867c478bd9Sstevel@tonic-gate 32878c1b6884Sszhou /* If no option, delete exiting reboot menu entry */ 32888c1b6884Sszhou if (opt == NULL) { 32898c1b6884Sszhou entry_t *ent = find_boot_entry(mp, REBOOT_TITLE, NULL, NULL, 32908c1b6884Sszhou 0, &entry); 32918c1b6884Sszhou if (ent == NULL) /* not found is ok */ 32928c1b6884Sszhou return (BAM_SUCCESS); 32938c1b6884Sszhou (void) do_delete(mp, entry); 32948c1b6884Sszhou restore_default_entry(mp); 32958c1b6884Sszhou return (BAM_WRITE); 32968c1b6884Sszhou } 32978c1b6884Sszhou 32988c1b6884Sszhou /* if entry= is specified, set the default entry */ 32998c1b6884Sszhou if (strncmp(opt, "entry=", strlen("entry=")) == 0 && 33007c478bd9Sstevel@tonic-gate selector(mp, opt, &entry, NULL) == BAM_SUCCESS) { 33017c478bd9Sstevel@tonic-gate /* this is entry=# option */ 33027c478bd9Sstevel@tonic-gate return (set_global(mp, menu_cmds[DEFAULT_CMD], entry)); 33037c478bd9Sstevel@tonic-gate } 33047c478bd9Sstevel@tonic-gate 33057c478bd9Sstevel@tonic-gate /* 33067c478bd9Sstevel@tonic-gate * add a new menu entry base on opt and make it the default 33077c478bd9Sstevel@tonic-gate */ 3308b610f78eSvikram grubdisk = NULL; 3309b610f78eSvikram if (stat(GRUB_slice, &sb) != 0) { 3310b610f78eSvikram /* 3311b610f78eSvikram * 1. First get root disk name from mnttab 3312b610f78eSvikram * 2. Translate disk name to grub name 3313b610f78eSvikram * 3. Add the new menu entry 3314b610f78eSvikram */ 3315b610f78eSvikram rootdev = get_special("/"); 3316b610f78eSvikram if (rootdev) { 3317b610f78eSvikram grubdisk = os_to_grubdisk(rootdev, 1); 3318b610f78eSvikram free(rootdev); 3319b610f78eSvikram } 3320b610f78eSvikram } else { 3321b610f78eSvikram /* 3322b610f78eSvikram * This is an LU BE. The GRUB_root file 3323b610f78eSvikram * contains entry for GRUB's "root" cmd. 3324b610f78eSvikram */ 3325b610f78eSvikram grubdisk = read_grub_root(); 33267c478bd9Sstevel@tonic-gate } 33277c478bd9Sstevel@tonic-gate if (grubdisk == NULL) { 3328b610f78eSvikram bam_error(REBOOT_WITH_ARGS_FAILED); 33297c478bd9Sstevel@tonic-gate return (BAM_ERROR); 33307c478bd9Sstevel@tonic-gate } 33317c478bd9Sstevel@tonic-gate 33327c478bd9Sstevel@tonic-gate /* add an entry for Solaris reboot */ 33337c478bd9Sstevel@tonic-gate (void) snprintf(kernbuf, sizeof (kernbuf), 33347c478bd9Sstevel@tonic-gate "/platform/i86pc/multiboot %s", opt); 33357c478bd9Sstevel@tonic-gate entry = add_boot_entry(mp, REBOOT_TITLE, grubdisk, kernbuf, 33367c478bd9Sstevel@tonic-gate "/platform/i86pc/boot_archive"); 33377c478bd9Sstevel@tonic-gate free(grubdisk); 33387c478bd9Sstevel@tonic-gate 33397c478bd9Sstevel@tonic-gate if (entry == BAM_ERROR) { 3340b610f78eSvikram bam_error(REBOOT_WITH_ARGS_FAILED); 33417c478bd9Sstevel@tonic-gate return (BAM_ERROR); 33427c478bd9Sstevel@tonic-gate } 33438c1b6884Sszhou 33448c1b6884Sszhou save_default_entry(mp); 33457c478bd9Sstevel@tonic-gate (void) set_global(mp, menu_cmds[DEFAULT_CMD], entry); 33467c478bd9Sstevel@tonic-gate return (BAM_WRITE); 33477c478bd9Sstevel@tonic-gate } 33487c478bd9Sstevel@tonic-gate 33497c478bd9Sstevel@tonic-gate static error_t 33507c478bd9Sstevel@tonic-gate set_global(menu_t *mp, char *globalcmd, int val) 33517c478bd9Sstevel@tonic-gate { 33527c478bd9Sstevel@tonic-gate line_t *lp, *found, *last; 33537c478bd9Sstevel@tonic-gate char *cp, *str; 33547c478bd9Sstevel@tonic-gate char prefix[BAM_MAXLINE]; 33557c478bd9Sstevel@tonic-gate size_t len; 33567c478bd9Sstevel@tonic-gate 33577c478bd9Sstevel@tonic-gate assert(mp); 33587c478bd9Sstevel@tonic-gate assert(globalcmd); 33597c478bd9Sstevel@tonic-gate 3360b610f78eSvikram if (strcmp(globalcmd, menu_cmds[DEFAULT_CMD]) == 0) { 3361b610f78eSvikram if (val < 0 || mp->end == NULL || val > mp->end->entryNum) { 3362b610f78eSvikram (void) snprintf(prefix, sizeof (prefix), "%d", val); 3363b610f78eSvikram bam_error(INVALID_ENTRY, prefix); 3364b610f78eSvikram return (BAM_ERROR); 3365b610f78eSvikram } 3366b610f78eSvikram } 3367b610f78eSvikram 33687c478bd9Sstevel@tonic-gate found = last = NULL; 33697c478bd9Sstevel@tonic-gate for (lp = mp->start; lp; lp = lp->next) { 33707c478bd9Sstevel@tonic-gate if (lp->flags != BAM_GLOBAL) 33717c478bd9Sstevel@tonic-gate continue; 33727c478bd9Sstevel@tonic-gate 33737c478bd9Sstevel@tonic-gate last = lp; /* track the last global found */ 33747c478bd9Sstevel@tonic-gate 33757c478bd9Sstevel@tonic-gate if (lp->cmd == NULL) { 33767c478bd9Sstevel@tonic-gate bam_error(NO_CMD, lp->lineNum); 33777c478bd9Sstevel@tonic-gate continue; 33787c478bd9Sstevel@tonic-gate } 33797c478bd9Sstevel@tonic-gate if (strcmp(globalcmd, lp->cmd) != 0) 33807c478bd9Sstevel@tonic-gate continue; 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate if (found) { 33837c478bd9Sstevel@tonic-gate bam_error(DUP_CMD, globalcmd, lp->lineNum, bam_root); 33847c478bd9Sstevel@tonic-gate } 33857c478bd9Sstevel@tonic-gate found = lp; 33867c478bd9Sstevel@tonic-gate } 33877c478bd9Sstevel@tonic-gate 33887c478bd9Sstevel@tonic-gate if (found == NULL) { 33897c478bd9Sstevel@tonic-gate lp = s_calloc(1, sizeof (line_t)); 33907c478bd9Sstevel@tonic-gate if (last == NULL) { 33917c478bd9Sstevel@tonic-gate lp->next = mp->start; 33927c478bd9Sstevel@tonic-gate mp->start = lp; 33937c478bd9Sstevel@tonic-gate mp->end = (mp->end) ? mp->end : lp; 33947c478bd9Sstevel@tonic-gate } else { 33957c478bd9Sstevel@tonic-gate lp->next = last->next; 33967c478bd9Sstevel@tonic-gate last->next = lp; 33977c478bd9Sstevel@tonic-gate if (lp->next == NULL) 33987c478bd9Sstevel@tonic-gate mp->end = lp; 33997c478bd9Sstevel@tonic-gate } 34007c478bd9Sstevel@tonic-gate lp->flags = BAM_GLOBAL; /* other fields not needed for writes */ 34017c478bd9Sstevel@tonic-gate len = strlen(globalcmd) + strlen(menu_cmds[SEP_CMD]); 34027c478bd9Sstevel@tonic-gate len += 10; /* val < 10 digits */ 34037c478bd9Sstevel@tonic-gate lp->line = s_calloc(1, len); 34047c478bd9Sstevel@tonic-gate (void) snprintf(lp->line, len, "%s%s%d", 34057c478bd9Sstevel@tonic-gate globalcmd, menu_cmds[SEP_CMD], val); 34067c478bd9Sstevel@tonic-gate return (BAM_WRITE); 34077c478bd9Sstevel@tonic-gate } 34087c478bd9Sstevel@tonic-gate 34097c478bd9Sstevel@tonic-gate /* 34107c478bd9Sstevel@tonic-gate * We are changing an existing entry. Retain any prefix whitespace, 34117c478bd9Sstevel@tonic-gate * but overwrite everything else. This preserves tabs added for 34127c478bd9Sstevel@tonic-gate * readability. 34137c478bd9Sstevel@tonic-gate */ 34147c478bd9Sstevel@tonic-gate str = found->line; 34157c478bd9Sstevel@tonic-gate cp = prefix; 34167c478bd9Sstevel@tonic-gate while (*str == ' ' || *str == '\t') 34177c478bd9Sstevel@tonic-gate *(cp++) = *(str++); 34187c478bd9Sstevel@tonic-gate *cp = '\0'; /* Terminate prefix */ 34197c478bd9Sstevel@tonic-gate len = strlen(prefix) + strlen(globalcmd); 34207c478bd9Sstevel@tonic-gate len += strlen(menu_cmds[SEP_CMD]) + 10; 34217c478bd9Sstevel@tonic-gate 34227c478bd9Sstevel@tonic-gate free(found->line); 34237c478bd9Sstevel@tonic-gate found->line = s_calloc(1, len); 34247c478bd9Sstevel@tonic-gate (void) snprintf(found->line, len, 34257c478bd9Sstevel@tonic-gate "%s%s%s%d", prefix, globalcmd, menu_cmds[SEP_CMD], val); 34267c478bd9Sstevel@tonic-gate 34277c478bd9Sstevel@tonic-gate return (BAM_WRITE); /* need a write to menu */ 34287c478bd9Sstevel@tonic-gate } 34297c478bd9Sstevel@tonic-gate 34307c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 34317c478bd9Sstevel@tonic-gate static error_t 34327c478bd9Sstevel@tonic-gate set_option(menu_t *mp, char *menu_path, char *opt) 34337c478bd9Sstevel@tonic-gate { 34347c478bd9Sstevel@tonic-gate int optnum, optval; 34357c478bd9Sstevel@tonic-gate char *val; 34367c478bd9Sstevel@tonic-gate 34377c478bd9Sstevel@tonic-gate assert(mp); 34387c478bd9Sstevel@tonic-gate assert(opt); 34397c478bd9Sstevel@tonic-gate 34407c478bd9Sstevel@tonic-gate val = strchr(opt, '='); 34417c478bd9Sstevel@tonic-gate if (val == NULL) { 34427c478bd9Sstevel@tonic-gate bam_error(INVALID_ENTRY, opt); 34437c478bd9Sstevel@tonic-gate return (BAM_ERROR); 34447c478bd9Sstevel@tonic-gate } 34457c478bd9Sstevel@tonic-gate 34467c478bd9Sstevel@tonic-gate *val = '\0'; 34477c478bd9Sstevel@tonic-gate if (strcmp(opt, "default") == 0) { 34487c478bd9Sstevel@tonic-gate optnum = DEFAULT_CMD; 34497c478bd9Sstevel@tonic-gate } else if (strcmp(opt, "timeout") == 0) { 34507c478bd9Sstevel@tonic-gate optnum = TIMEOUT_CMD; 34517c478bd9Sstevel@tonic-gate } else { 34527c478bd9Sstevel@tonic-gate bam_error(INVALID_ENTRY, opt); 34537c478bd9Sstevel@tonic-gate return (BAM_ERROR); 34547c478bd9Sstevel@tonic-gate } 34557c478bd9Sstevel@tonic-gate 34567c478bd9Sstevel@tonic-gate optval = s_strtol(val + 1); 34577c478bd9Sstevel@tonic-gate *val = '='; 34587c478bd9Sstevel@tonic-gate return (set_global(mp, menu_cmds[optnum], optval)); 34597c478bd9Sstevel@tonic-gate } 34607c478bd9Sstevel@tonic-gate 34617c478bd9Sstevel@tonic-gate /* 34627c478bd9Sstevel@tonic-gate * The quiet argument suppresses messages. This is used 34637c478bd9Sstevel@tonic-gate * when invoked in the context of other commands (e.g. list_entry) 34647c478bd9Sstevel@tonic-gate */ 34657c478bd9Sstevel@tonic-gate static error_t 34667c478bd9Sstevel@tonic-gate read_globals(menu_t *mp, char *menu_path, char *globalcmd, int quiet) 34677c478bd9Sstevel@tonic-gate { 34687c478bd9Sstevel@tonic-gate line_t *lp; 34697c478bd9Sstevel@tonic-gate char *arg; 34707c478bd9Sstevel@tonic-gate int done, ret = BAM_SUCCESS; 34717c478bd9Sstevel@tonic-gate 34727c478bd9Sstevel@tonic-gate assert(mp); 34737c478bd9Sstevel@tonic-gate assert(menu_path); 34747c478bd9Sstevel@tonic-gate assert(globalcmd); 34757c478bd9Sstevel@tonic-gate 34767c478bd9Sstevel@tonic-gate if (mp->start == NULL) { 34777c478bd9Sstevel@tonic-gate if (!quiet) 34787c478bd9Sstevel@tonic-gate bam_error(NO_MENU, menu_path); 34797c478bd9Sstevel@tonic-gate return (BAM_ERROR); 34807c478bd9Sstevel@tonic-gate } 34817c478bd9Sstevel@tonic-gate 34827c478bd9Sstevel@tonic-gate done = 0; 34837c478bd9Sstevel@tonic-gate for (lp = mp->start; lp; lp = lp->next) { 34847c478bd9Sstevel@tonic-gate if (lp->flags != BAM_GLOBAL) 34857c478bd9Sstevel@tonic-gate continue; 34867c478bd9Sstevel@tonic-gate 34877c478bd9Sstevel@tonic-gate if (lp->cmd == NULL) { 34887c478bd9Sstevel@tonic-gate if (!quiet) 34897c478bd9Sstevel@tonic-gate bam_error(NO_CMD, lp->lineNum); 34907c478bd9Sstevel@tonic-gate continue; 34917c478bd9Sstevel@tonic-gate } 34927c478bd9Sstevel@tonic-gate 34937c478bd9Sstevel@tonic-gate if (strcmp(globalcmd, lp->cmd) != 0) 34947c478bd9Sstevel@tonic-gate continue; 34957c478bd9Sstevel@tonic-gate 34967c478bd9Sstevel@tonic-gate /* Found global. Check for duplicates */ 34977c478bd9Sstevel@tonic-gate if (done && !quiet) { 34987c478bd9Sstevel@tonic-gate bam_error(DUP_CMD, globalcmd, lp->lineNum, bam_root); 34997c478bd9Sstevel@tonic-gate ret = BAM_ERROR; 35007c478bd9Sstevel@tonic-gate } 35017c478bd9Sstevel@tonic-gate 35027c478bd9Sstevel@tonic-gate arg = lp->arg ? lp->arg : ""; 35037c478bd9Sstevel@tonic-gate bam_print(GLOBAL_CMD, globalcmd, arg); 35047c478bd9Sstevel@tonic-gate done = 1; 35057c478bd9Sstevel@tonic-gate } 35067c478bd9Sstevel@tonic-gate 35077c478bd9Sstevel@tonic-gate if (!done && bam_verbose) 35087c478bd9Sstevel@tonic-gate bam_print(NO_ENTRY, globalcmd); 35097c478bd9Sstevel@tonic-gate 35107c478bd9Sstevel@tonic-gate return (ret); 35117c478bd9Sstevel@tonic-gate } 35127c478bd9Sstevel@tonic-gate 35137c478bd9Sstevel@tonic-gate static error_t 35147c478bd9Sstevel@tonic-gate menu_write(char *root, menu_t *mp) 35157c478bd9Sstevel@tonic-gate { 35167c478bd9Sstevel@tonic-gate return (list2file(root, MENU_TMP, GRUB_MENU, mp->start)); 35177c478bd9Sstevel@tonic-gate } 35187c478bd9Sstevel@tonic-gate 35197c478bd9Sstevel@tonic-gate static void 35207c478bd9Sstevel@tonic-gate line_free(line_t *lp) 35217c478bd9Sstevel@tonic-gate { 35227c478bd9Sstevel@tonic-gate if (lp == NULL) 35237c478bd9Sstevel@tonic-gate return; 35247c478bd9Sstevel@tonic-gate 35257c478bd9Sstevel@tonic-gate if (lp->cmd) 35267c478bd9Sstevel@tonic-gate free(lp->cmd); 35277c478bd9Sstevel@tonic-gate if (lp->sep) 35287c478bd9Sstevel@tonic-gate free(lp->sep); 35297c478bd9Sstevel@tonic-gate if (lp->arg) 35307c478bd9Sstevel@tonic-gate free(lp->arg); 35317c478bd9Sstevel@tonic-gate if (lp->line) 35327c478bd9Sstevel@tonic-gate free(lp->line); 35337c478bd9Sstevel@tonic-gate free(lp); 35347c478bd9Sstevel@tonic-gate } 35357c478bd9Sstevel@tonic-gate 35367c478bd9Sstevel@tonic-gate static void 35377c478bd9Sstevel@tonic-gate linelist_free(line_t *start) 35387c478bd9Sstevel@tonic-gate { 35397c478bd9Sstevel@tonic-gate line_t *lp; 35407c478bd9Sstevel@tonic-gate 35417c478bd9Sstevel@tonic-gate while (start) { 35427c478bd9Sstevel@tonic-gate lp = start; 35437c478bd9Sstevel@tonic-gate start = start->next; 35447c478bd9Sstevel@tonic-gate line_free(lp); 35457c478bd9Sstevel@tonic-gate } 35467c478bd9Sstevel@tonic-gate } 35477c478bd9Sstevel@tonic-gate 35487c478bd9Sstevel@tonic-gate static void 35497c478bd9Sstevel@tonic-gate filelist_free(filelist_t *flistp) 35507c478bd9Sstevel@tonic-gate { 35517c478bd9Sstevel@tonic-gate linelist_free(flistp->head); 35527c478bd9Sstevel@tonic-gate flistp->head = NULL; 35537c478bd9Sstevel@tonic-gate flistp->tail = NULL; 35547c478bd9Sstevel@tonic-gate } 35557c478bd9Sstevel@tonic-gate 35567c478bd9Sstevel@tonic-gate static void 35577c478bd9Sstevel@tonic-gate menu_free(menu_t *mp) 35587c478bd9Sstevel@tonic-gate { 35598c1b6884Sszhou entry_t *ent, *tmp; 35607c478bd9Sstevel@tonic-gate assert(mp); 35617c478bd9Sstevel@tonic-gate 35627c478bd9Sstevel@tonic-gate if (mp->start) 35637c478bd9Sstevel@tonic-gate linelist_free(mp->start); 35648c1b6884Sszhou ent = mp->entries; 35658c1b6884Sszhou while (ent) { 35668c1b6884Sszhou tmp = ent; 35678c1b6884Sszhou ent = tmp->next; 35688c1b6884Sszhou free(tmp); 35698c1b6884Sszhou } 35707c478bd9Sstevel@tonic-gate 35718c1b6884Sszhou free(mp); 35727c478bd9Sstevel@tonic-gate } 35737c478bd9Sstevel@tonic-gate 35747c478bd9Sstevel@tonic-gate /* 35757c478bd9Sstevel@tonic-gate * Utility routines 35767c478bd9Sstevel@tonic-gate */ 35777c478bd9Sstevel@tonic-gate 35787c478bd9Sstevel@tonic-gate 35797c478bd9Sstevel@tonic-gate /* 35807c478bd9Sstevel@tonic-gate * Returns 0 on success 35817c478bd9Sstevel@tonic-gate * Any other value indicates an error 35827c478bd9Sstevel@tonic-gate */ 35837c478bd9Sstevel@tonic-gate static int 35847c478bd9Sstevel@tonic-gate exec_cmd(char *cmdline, char *output, int64_t osize) 35857c478bd9Sstevel@tonic-gate { 35867c478bd9Sstevel@tonic-gate char buf[BUFSIZ]; 35877c478bd9Sstevel@tonic-gate int ret; 35887c478bd9Sstevel@tonic-gate FILE *ptr; 35897c478bd9Sstevel@tonic-gate size_t len; 35907c478bd9Sstevel@tonic-gate sigset_t set; 35917c478bd9Sstevel@tonic-gate void (*disp)(int); 35927c478bd9Sstevel@tonic-gate 35937c478bd9Sstevel@tonic-gate /* 35947c478bd9Sstevel@tonic-gate * For security 35957c478bd9Sstevel@tonic-gate * - only absolute paths are allowed 35967c478bd9Sstevel@tonic-gate * - set IFS to space and tab 35977c478bd9Sstevel@tonic-gate */ 35987c478bd9Sstevel@tonic-gate if (*cmdline != '/') { 35997c478bd9Sstevel@tonic-gate bam_error(ABS_PATH_REQ, cmdline); 36007c478bd9Sstevel@tonic-gate return (-1); 36017c478bd9Sstevel@tonic-gate } 36027c478bd9Sstevel@tonic-gate (void) putenv("IFS= \t"); 36037c478bd9Sstevel@tonic-gate 36047c478bd9Sstevel@tonic-gate /* 36057c478bd9Sstevel@tonic-gate * We may have been exec'ed with SIGCHLD blocked 36067c478bd9Sstevel@tonic-gate * unblock it here 36077c478bd9Sstevel@tonic-gate */ 36087c478bd9Sstevel@tonic-gate (void) sigemptyset(&set); 36097c478bd9Sstevel@tonic-gate (void) sigaddset(&set, SIGCHLD); 36107c478bd9Sstevel@tonic-gate if (sigprocmask(SIG_UNBLOCK, &set, NULL) != 0) { 36117c478bd9Sstevel@tonic-gate bam_error(CANT_UNBLOCK_SIGCHLD, strerror(errno)); 36127c478bd9Sstevel@tonic-gate return (-1); 36137c478bd9Sstevel@tonic-gate } 36147c478bd9Sstevel@tonic-gate 36157c478bd9Sstevel@tonic-gate /* 36167c478bd9Sstevel@tonic-gate * Set SIGCHLD disposition to SIG_DFL for popen/pclose 36177c478bd9Sstevel@tonic-gate */ 36187c478bd9Sstevel@tonic-gate disp = sigset(SIGCHLD, SIG_DFL); 36197c478bd9Sstevel@tonic-gate if (disp == SIG_ERR) { 36207c478bd9Sstevel@tonic-gate bam_error(FAILED_SIG, strerror(errno)); 36217c478bd9Sstevel@tonic-gate return (-1); 36227c478bd9Sstevel@tonic-gate } 36237c478bd9Sstevel@tonic-gate if (disp == SIG_HOLD) { 36247c478bd9Sstevel@tonic-gate bam_error(BLOCKED_SIG, cmdline); 36257c478bd9Sstevel@tonic-gate return (-1); 36267c478bd9Sstevel@tonic-gate } 36277c478bd9Sstevel@tonic-gate 36287c478bd9Sstevel@tonic-gate ptr = popen(cmdline, "r"); 36297c478bd9Sstevel@tonic-gate if (ptr == NULL) { 36307c478bd9Sstevel@tonic-gate bam_error(POPEN_FAIL, cmdline, strerror(errno)); 36317c478bd9Sstevel@tonic-gate return (-1); 36327c478bd9Sstevel@tonic-gate } 36337c478bd9Sstevel@tonic-gate 36347c478bd9Sstevel@tonic-gate /* 36357c478bd9Sstevel@tonic-gate * If we simply do a pclose() following a popen(), pclose() 36367c478bd9Sstevel@tonic-gate * will close the reader end of the pipe immediately even 36377c478bd9Sstevel@tonic-gate * if the child process has not started/exited. pclose() 36387c478bd9Sstevel@tonic-gate * does wait for cmd to terminate before returning though. 36397c478bd9Sstevel@tonic-gate * When the executed command writes its output to the pipe 36407c478bd9Sstevel@tonic-gate * there is no reader process and the command dies with 36417c478bd9Sstevel@tonic-gate * SIGPIPE. To avoid this we read repeatedly until read 36427c478bd9Sstevel@tonic-gate * terminates with EOF. This indicates that the command 36437c478bd9Sstevel@tonic-gate * (writer) has closed the pipe and we can safely do a 36447c478bd9Sstevel@tonic-gate * pclose(). 36457c478bd9Sstevel@tonic-gate * 36467c478bd9Sstevel@tonic-gate * Since pclose() does wait for the command to exit, 36477c478bd9Sstevel@tonic-gate * we can safely reap the exit status of the command 36487c478bd9Sstevel@tonic-gate * from the value returned by pclose() 36497c478bd9Sstevel@tonic-gate */ 36507c478bd9Sstevel@tonic-gate while (fgets(buf, sizeof (buf), ptr) != NULL) { 36517c478bd9Sstevel@tonic-gate /* if (bam_verbose) XXX */ 36527c478bd9Sstevel@tonic-gate bam_print(PRINT_NO_NEWLINE, buf); 36537c478bd9Sstevel@tonic-gate if (output && osize > 0) { 36547c478bd9Sstevel@tonic-gate (void) snprintf(output, osize, "%s", buf); 36557c478bd9Sstevel@tonic-gate len = strlen(buf); 36567c478bd9Sstevel@tonic-gate output += len; 36577c478bd9Sstevel@tonic-gate osize -= len; 36587c478bd9Sstevel@tonic-gate } 36597c478bd9Sstevel@tonic-gate } 36607c478bd9Sstevel@tonic-gate 36617c478bd9Sstevel@tonic-gate ret = pclose(ptr); 36627c478bd9Sstevel@tonic-gate if (ret == -1) { 36637c478bd9Sstevel@tonic-gate bam_error(PCLOSE_FAIL, cmdline, strerror(errno)); 36647c478bd9Sstevel@tonic-gate return (-1); 36657c478bd9Sstevel@tonic-gate } 36667c478bd9Sstevel@tonic-gate 36677c478bd9Sstevel@tonic-gate if (WIFEXITED(ret)) { 36687c478bd9Sstevel@tonic-gate return (WEXITSTATUS(ret)); 36697c478bd9Sstevel@tonic-gate } else { 36707c478bd9Sstevel@tonic-gate bam_error(EXEC_FAIL, cmdline, ret); 36717c478bd9Sstevel@tonic-gate return (-1); 36727c478bd9Sstevel@tonic-gate } 36737c478bd9Sstevel@tonic-gate } 36747c478bd9Sstevel@tonic-gate 36757c478bd9Sstevel@tonic-gate /* 36767c478bd9Sstevel@tonic-gate * Since this function returns -1 on error 36777c478bd9Sstevel@tonic-gate * it cannot be used to convert -1. However, 36787c478bd9Sstevel@tonic-gate * that is sufficient for what we need. 36797c478bd9Sstevel@tonic-gate */ 36807c478bd9Sstevel@tonic-gate static long 36817c478bd9Sstevel@tonic-gate s_strtol(char *str) 36827c478bd9Sstevel@tonic-gate { 36837c478bd9Sstevel@tonic-gate long l; 36847c478bd9Sstevel@tonic-gate char *res = NULL; 36857c478bd9Sstevel@tonic-gate 36867c478bd9Sstevel@tonic-gate if (str == NULL) { 36877c478bd9Sstevel@tonic-gate return (-1); 36887c478bd9Sstevel@tonic-gate } 36897c478bd9Sstevel@tonic-gate 36907c478bd9Sstevel@tonic-gate errno = 0; 36917c478bd9Sstevel@tonic-gate l = strtol(str, &res, 10); 36927c478bd9Sstevel@tonic-gate if (errno || *res != '\0') { 36937c478bd9Sstevel@tonic-gate return (-1); 36947c478bd9Sstevel@tonic-gate } 36957c478bd9Sstevel@tonic-gate 36967c478bd9Sstevel@tonic-gate return (l); 36977c478bd9Sstevel@tonic-gate } 36987c478bd9Sstevel@tonic-gate 36997c478bd9Sstevel@tonic-gate /* 37007c478bd9Sstevel@tonic-gate * Wrapper around fputs, that adds a newline (since fputs doesn't) 37017c478bd9Sstevel@tonic-gate */ 37027c478bd9Sstevel@tonic-gate static int 37037c478bd9Sstevel@tonic-gate s_fputs(char *str, FILE *fp) 37047c478bd9Sstevel@tonic-gate { 37057c478bd9Sstevel@tonic-gate char linebuf[BAM_MAXLINE]; 37067c478bd9Sstevel@tonic-gate 37077c478bd9Sstevel@tonic-gate (void) snprintf(linebuf, sizeof (linebuf), "%s\n", str); 37087c478bd9Sstevel@tonic-gate return (fputs(linebuf, fp)); 37097c478bd9Sstevel@tonic-gate } 37107c478bd9Sstevel@tonic-gate 37117c478bd9Sstevel@tonic-gate /* 37127c478bd9Sstevel@tonic-gate * Wrapper around fgets, that strips newlines returned by fgets 37137c478bd9Sstevel@tonic-gate */ 37147c478bd9Sstevel@tonic-gate static char * 37157c478bd9Sstevel@tonic-gate s_fgets(char *buf, int buflen, FILE *fp) 37167c478bd9Sstevel@tonic-gate { 37177c478bd9Sstevel@tonic-gate int n; 37187c478bd9Sstevel@tonic-gate 37197c478bd9Sstevel@tonic-gate buf = fgets(buf, buflen, fp); 37207c478bd9Sstevel@tonic-gate if (buf) { 37217c478bd9Sstevel@tonic-gate n = strlen(buf); 37227c478bd9Sstevel@tonic-gate if (n == buflen - 1 && buf[n-1] != '\n') 37237c478bd9Sstevel@tonic-gate bam_error(TOO_LONG, buflen - 1, buf); 37247c478bd9Sstevel@tonic-gate buf[n-1] = (buf[n-1] == '\n') ? '\0' : buf[n-1]; 37257c478bd9Sstevel@tonic-gate } 37267c478bd9Sstevel@tonic-gate 37277c478bd9Sstevel@tonic-gate return (buf); 37287c478bd9Sstevel@tonic-gate } 37297c478bd9Sstevel@tonic-gate 37307c478bd9Sstevel@tonic-gate static void * 37317c478bd9Sstevel@tonic-gate s_calloc(size_t nelem, size_t sz) 37327c478bd9Sstevel@tonic-gate { 37337c478bd9Sstevel@tonic-gate void *ptr; 37347c478bd9Sstevel@tonic-gate 37357c478bd9Sstevel@tonic-gate ptr = calloc(nelem, sz); 37367c478bd9Sstevel@tonic-gate if (ptr == NULL) { 37377c478bd9Sstevel@tonic-gate bam_error(NO_MEM, nelem*sz); 37387c478bd9Sstevel@tonic-gate bam_exit(1); 37397c478bd9Sstevel@tonic-gate } 37407c478bd9Sstevel@tonic-gate return (ptr); 37417c478bd9Sstevel@tonic-gate } 37427c478bd9Sstevel@tonic-gate 37437c478bd9Sstevel@tonic-gate static char * 37447c478bd9Sstevel@tonic-gate s_strdup(char *str) 37457c478bd9Sstevel@tonic-gate { 37467c478bd9Sstevel@tonic-gate char *ptr; 37477c478bd9Sstevel@tonic-gate 37487c478bd9Sstevel@tonic-gate if (str == NULL) 37497c478bd9Sstevel@tonic-gate return (NULL); 37507c478bd9Sstevel@tonic-gate 37517c478bd9Sstevel@tonic-gate ptr = strdup(str); 37527c478bd9Sstevel@tonic-gate if (ptr == NULL) { 37537c478bd9Sstevel@tonic-gate bam_error(NO_MEM, strlen(str) + 1); 37547c478bd9Sstevel@tonic-gate bam_exit(1); 37557c478bd9Sstevel@tonic-gate } 37567c478bd9Sstevel@tonic-gate return (ptr); 37577c478bd9Sstevel@tonic-gate } 37587c478bd9Sstevel@tonic-gate 37597c478bd9Sstevel@tonic-gate /* 37607c478bd9Sstevel@tonic-gate * Returns 1 if amd64 (or sparc, for syncing x86 diskless clients) 37617c478bd9Sstevel@tonic-gate * Returns 0 otherwise 37627c478bd9Sstevel@tonic-gate */ 37637c478bd9Sstevel@tonic-gate static int 37647c478bd9Sstevel@tonic-gate is_amd64(void) 37657c478bd9Sstevel@tonic-gate { 37667c478bd9Sstevel@tonic-gate static int amd64 = -1; 37677c478bd9Sstevel@tonic-gate char isabuf[257]; /* from sysinfo(2) manpage */ 37687c478bd9Sstevel@tonic-gate 37697c478bd9Sstevel@tonic-gate if (amd64 != -1) 37707c478bd9Sstevel@tonic-gate return (amd64); 37717c478bd9Sstevel@tonic-gate 37727c478bd9Sstevel@tonic-gate if (sysinfo(SI_ISALIST, isabuf, sizeof (isabuf)) > 0 && 37737c478bd9Sstevel@tonic-gate strncmp(isabuf, "amd64 ", strlen("amd64 ")) == 0) 37747c478bd9Sstevel@tonic-gate amd64 = 1; 37757c478bd9Sstevel@tonic-gate else if (strstr(isabuf, "i386") == NULL) 37767c478bd9Sstevel@tonic-gate amd64 = 1; /* diskless server */ 37777c478bd9Sstevel@tonic-gate else 37787c478bd9Sstevel@tonic-gate amd64 = 0; 37797c478bd9Sstevel@tonic-gate 37807c478bd9Sstevel@tonic-gate return (amd64); 37817c478bd9Sstevel@tonic-gate } 37827c478bd9Sstevel@tonic-gate 37837c478bd9Sstevel@tonic-gate static void 37847c478bd9Sstevel@tonic-gate append_to_flist(filelist_t *flistp, char *s) 37857c478bd9Sstevel@tonic-gate { 37867c478bd9Sstevel@tonic-gate line_t *lp; 37877c478bd9Sstevel@tonic-gate 37887c478bd9Sstevel@tonic-gate lp = s_calloc(1, sizeof (line_t)); 37897c478bd9Sstevel@tonic-gate lp->line = s_strdup(s); 37907c478bd9Sstevel@tonic-gate if (flistp->head == NULL) 37917c478bd9Sstevel@tonic-gate flistp->head = lp; 37927c478bd9Sstevel@tonic-gate else 37937c478bd9Sstevel@tonic-gate flistp->tail->next = lp; 37947c478bd9Sstevel@tonic-gate flistp->tail = lp; 37957c478bd9Sstevel@tonic-gate } 3796