/*************************************************************************** $Id: libmondo-cli.c 3147 2013-06-19 06:34:46Z bruno $ *******************************************************************/ /** * @file * Functions for handling command-line arguments passed to mondoarchive. */ /** @def BOOT_LOADER_CHARS The characters allowed for boot loader on this platform. */ #include #include "my-stuff.h" #include "mr_mem.h" #include "mr_str.h" #include "mondostructures.h" #include "libmondo-cli-EXT.h" #include "libmondo.h" extern int g_loglevel; extern bool g_text_mode; extern bool g_fail_immediately; extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ????? extern char *MONDO_OPTIONS; /*@ file pointer **************************************************/ extern FILE *g_tape_stream; /*@ long long *****************************************************/ extern long long g_tape_posK; /*@ long **********************************************************/ extern long g_noof_sets; /*@ bool******** **************************************************/ bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup extern bool g_cd_recovery; extern void setup_tmpdir(char *path); void mr_make_devlist_from_pathlist(char *pathlist, char mode); extern double g_kernel_version; extern int g_current_media_number; extern pid_t g_main_pid; extern char *resolve_softlinks_to_get_to_actual_device_file(char *); /* Do we use extended attributes and acl ? * By default no, use -z option to force their usage */ extern char *g_getfacl; extern char *g_getfattr; /* Reference to global bkpinfo */ extern struct s_bkpinfo *bkpinfo; extern void free_MR_global_filenames(void); long g_max_biggie_size = BIGGIEMAXSIZE; /** * @addtogroup cliGroup * @{ */ /** * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv. * @param argc The argument count, including the program name; @p argc passed to main(). * @param argv The argument vector; @p argv passed to main(). * @param bkpinfo The backup information structure to populate. * @return The number of problems with the command line (0 for success). */ int handle_incoming_parameters(int argc, char *argv[]) { /*@ int *** */ int res = 0; int retval = 0; int i = 0, j; /*@ buffers *************** */ char *tmp = NULL; char flag_val[128][MAX_STR_LEN]; bool flag_set[128]; for (i = 0; i < 128; i++) { flag_val[i][0] = '\0'; flag_set[i] = FALSE; } for (j = 1; j <= MAX_NOOF_MEDIA; j++) { bkpinfo->media_size[j] = 650; } /* default */ res = retrieve_switches_from_command_line(argc, argv, flag_val, flag_set); retval += res; if (!retval) { res = process_switches(flag_val, flag_set); retval += res; } log_msg(3, "Switches:-"); for (i = 0; i < 128; i++) { if (flag_set[i]) { log_msg(3, "-%c %s", i, flag_val[i]); } } mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir); paranoid_system(tmp); mr_free(tmp); /* Before erasing dirs go into a safe place */ if (chdir("/tmp")) { // FIXME } mr_asprintf(tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir); paranoid_system(tmp); mr_free(tmp); mr_asprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir); paranoid_system(tmp); mr_free(tmp); return (retval); } /** * Store the sizespec(s) stored in @p value into @p bkpinfo. * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated. * @param value The sizespec (e.g. "2g", "40m"). * @return 0, always. * @bug Return code not needed. */ int process_the_s_switch(char *value) { int j; char tmp[MAX_STR_LEN], *p; assert(bkpinfo != NULL); assert(value != NULL); bkpinfo->media_size[0] = -1; /* dummy value */ for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ','); j++, p = strchr(p, ',') + 1) { strncpy(tmp, p, MAX_STR_LEN); *(strchr(tmp, ',')) = '\0'; bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp); log_msg(3, "media_size[%d] = %ld", j, bkpinfo->media_size[j]); } for (; j <= MAX_NOOF_MEDIA; j++) { bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p); } for (j = 1; j <= MAX_NOOF_MEDIA; j++) { if (bkpinfo->media_size[j] <= 0) { log_msg(1, "You gave media #%d an invalid size\n", j); return (-1); } } return (0); } /** * Process mondoarchive's command-line switches. * @param bkpinfo The backup information structure to populate. * @param flag_val An array of the argument passed to each switch (the letter is the index). * If a switch is not set or has no argument, the field in @p flag_val doesn't matter. * @param flag_set An array of bools indexed by switch letter: TRUE if it's set, * FALSE if it's not. * @return The number of problems with the switches, or 0 for success. * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here? */ int process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128]) { /*@ ints *** */ int i = 0; int retval = 0; /*@ buffers ** */ char *tmp1 = NULL; char *tmp2 = NULL; char *psz = NULL; char *p = NULL; char *q = NULL; long itbs = 0L; struct stat buf; assert(bkpinfo != NULL); assert(flag_val != NULL); assert(flag_set != NULL); bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE; /* compulsory */ i = flag_set['c'] + flag_set['i'] + flag_set['n'] + flag_set['t'] + flag_set['u'] + flag_set['r'] + flag_set['w'] + flag_set['C'] + flag_set['U']; if ((i == 0) && (! bkpinfo->restore_data)) { retval++; log_to_screen("You must specify the media type\n"); } if (i > 1) { retval++; log_to_screen("Please specify only one media type\n"); } if (flag_set['K']) { g_loglevel = atoi(flag_val['K']); log_msg(1,"Loglevel forced to %d",g_loglevel); if (g_loglevel < 3) { g_loglevel = 3; } } if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) { retval++; log_to_screen("You cannot have 'no compression' _and_ LZOP.\n"); } if (! bkpinfo->restore_data) { bkpinfo->backup_data = flag_set['O']; } bkpinfo->verify_data = flag_set['V']; if (flag_set['I'] && !bkpinfo->backup_data) { log_to_screen("-I switch is ignored if just verifying"); } if (flag_set['E'] && !bkpinfo->backup_data) { log_to_screen("-E switch is ignored if just verifying"); } tmp1 = find_home_of_exe("afio"); if (!tmp1) { mr_free(tmp1); tmp1 = find_home_of_exe("star"); if (tmp1) { mr_free(tmp1); flag_set['R'] = TRUE; log_msg(1, "Using star instead of afio"); } else { mr_free(tmp1); fatal_error("Neither afio nor star is installed. Please install at least one."); } } mr_free(tmp1); if (flag_set['R']) { bkpinfo->use_star = TRUE; if (flag_set['L']) { fatal_error("You may not use star and lzop at the same time."); } tmp1 = find_home_of_exe("star"); if (!tmp1) { mr_free(tmp1); fatal_error("Please install 'star' RPM or tarball if you are going to use -R. Thanks."); } mr_free(tmp1); } if ((flag_set['W']) && (! bkpinfo->restore_data)) { bkpinfo->nonbootable_backup = TRUE; log_to_screen("Warning - you have opted for non-bootable backup"); if (flag_set['f'] || flag_set['l']) { log_to_screen ("You don't need to specify bootloader or bootdevice"); } } if (flag_set['I']) { if (bkpinfo->include_paths && bkpinfo->include_paths[0] == '-') { retval++; log_to_screen("Please supply a sensible value with '-I'\n"); } mr_asprintf(tmp1, "%s", flag_val['I']); p = tmp1; q = tmp1; /* Cut the flag_val['I'] in parts containing all paths to test them */ while (p != NULL) { q = strchr(p, '|'); if (q != NULL) { *q = '\0'; if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) { log_msg(1, "ERROR ! %s doesn't exist", p); fatal_error("ERROR ! You specified a directory to include which doesn't exist"); } p = q+1 ; } else { if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) { log_msg(1, "ERROR ! %s doesn't exist", p); fatal_error("ERROR ! You specified a directory to include which doesn't exist"); } p = NULL; } } mr_free(tmp1); mr_make_devlist_from_pathlist(flag_val['I'], 'I'); log_msg(4, "Finished with the -I option"); } if (g_kernel_version >= 2.6 && !flag_set['d'] && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) { fatal_error("If you are using the 2.6.x kernel, please specify the CD-R(W) device."); } if (flag_set['J']) { if (flag_set['I']) { retval++; log_to_screen("Please do not use -J in combination with -I. If you want to make a list of files to backup, that's fine, use -J but please don't muddy the waters by combining -J with -I. Thanks. :-)"); } bkpinfo->make_filelist = FALSE; mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']); } if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) { if (!flag_set['r'] && g_kernel_version <= 2.5 && strstr(flag_val['d'], "/dev/")) { fatal_error("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag."); } if (flag_set['r'] && g_kernel_version <= 2.5 && !strstr(flag_val['d'], "/dev/")) { fatal_error("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag."); } if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) { log_to_screen("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk..."); } if (system("which cdrecord > /dev/null 2> /dev/null") && system("which dvdrecord > /dev/null 2> /dev/null")) { fatal_error("Please install dvdrecord/cdrecord and try again."); } if (flag_set['C']) { bkpinfo->cdrw_speed = atoi(flag_val['C']); if (bkpinfo->cdrw_speed < 1) { fatal_error("You specified a silly speed for a CD-R[W] drive"); } if (!flag_set['L']) { log_to_screen("You must use -L with -C. Therefore I am setting it for you."); flag_set['L'] = 1; flag_val['L'][0] = '\0'; } } else { log_msg(3, "flag_val['c'] = %s", flag_val['c']); log_msg(3, "flag_val['w'] = %s", flag_val['w']); if (flag_set['c']) { bkpinfo->cdrw_speed = atoi(flag_val['c']); } else if (flag_set['w']) { bkpinfo->cdrw_speed = atoi(flag_val['w']); } else if (flag_set['r']) { bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */ } if (bkpinfo->cdrw_speed < 1) { fatal_error("You specified a silly speed for a CD-R[W] drive"); } } } if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) { log_it("Hmm! No tape drive specified. Let's see what we can do."); if ((tmp1 = mr_find_tape_device()) == NULL) { fatal_error("Tape device not specified. I couldn't find it either."); } strcpy(flag_val['d'], tmp1); mr_free(tmp1); flag_set['d'] = TRUE; strcpy(flag_val['d'], p); mr_free(p); log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", flag_val['d']); } if (flag_set['U']) // USB { if (! flag_set['d']) { fatal_error("You need to specify a device file with -d for bootable USB device usage"); } if ((!flag_set['s']) && (! bkpinfo->restore_data)) { fatal_error("You did not specify a size (-s) for your USB device. Aborting"); } } if (flag_set['r']) // DVD { if (flag_set['m']) { fatal_error("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m."); } if (!flag_set['d']) { if ((tmp1 = find_dvd_device(flag_val['d'])) != NULL) { strcpy(flag_val['d'],tmp1); mr_free(tmp1); flag_set['d'] = TRUE; log_to_screen("I guess DVD drive is at %s", flag_val['d']); } } if (strchr(flag_val['d'], ',')) { fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag."); } if (! bkpinfo->restore_data) { tmp1 = find_home_of_exe("growisofs"); if (!tmp1) { mr_free(tmp1); fatal_error("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it."); } mr_free(tmp1); tmp1 = find_home_of_exe("dvd+rw-format"); if (!tmp1) { mr_free(tmp1); fatal_error("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it."); } mr_free(tmp1); if (!flag_set['s']) { sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB strcat(flag_val['s'], "m"); log_to_screen("You did not specify a size (-s) for DVD. I'm guessing %s.", flag_val['s']); flag_set['s'] = 1; } } } if (flag_set['t'] || flag_set['u']) { /* tape size */ if (strchr(flag_val['d'], ',')) { fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag."); } if ((flag_set['O']) && (! bkpinfo->restore_data)) { if (flag_set['s']) { if (flag_set['t']) { fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway."); } if (process_the_s_switch(flag_val['s'])) { fatal_error("Bad -s switch"); } } else if (flag_set['u'] || flag_set['t']) { for (i = 0; i <= MAX_NOOF_MEDIA; i++) { bkpinfo->media_size[i] = 0; } } else { retval++; log_to_screen("Tape size not specified.\n"); } } } else if (! bkpinfo->restore_data) { /* CD|USB size */ if (flag_set['s']) { if (process_the_s_switch(flag_val['s'])) { fatal_error("Bad -s switch"); } } if (flag_set['w']) { bkpinfo->wipe_media_first = TRUE; } /* CD-RW */ } if (flag_set['n']) { mr_free(bkpinfo->netfs_mount); mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']); if (!flag_set['d']) { mr_free(bkpinfo->netfs_remote_dir); mr_asprintf(bkpinfo->netfs_remote_dir, "/"); } /* test for protocol */ p = strstr(bkpinfo->netfs_mount, "://"); if (p == NULL) { /* protocol not found assuming NFS for compatibility */ mr_asprintf(q,"nfs"); p = strchr(bkpinfo->netfs_mount, ':'); if (p == NULL) { fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed"); } /* p points on to the string server:/path */ p = bkpinfo->netfs_mount; } else { /* Isolate the protocol */ *p = '\0'; mr_asprintf(q,"%s",bkpinfo->netfs_mount); /* Skip proto now */ p++; p++; p++; } /* whatever done before proto is pointed to by q */ bkpinfo->netfs_proto = q; /* p points on to the string server:/path */ /* Store the 2 values */ bkpinfo->netfs_mount = p; /* test if we specified a user */ p = strchr(bkpinfo->netfs_mount, '@'); if (p != NULL) { /* User found. Store the 2 values */ bkpinfo->netfs_user = bkpinfo->netfs_mount; p++; /* new netfs mount */ bkpinfo->netfs_mount = p; p--; *p = '\0'; } mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount); mr_free(bkpinfo->isodir); bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1,TRUE); mr_free(tmp1); if (strlen(bkpinfo->isodir) < 3) { log_to_screen("Network share is not mounted. Trying to mount it for you.\n"); if (bkpinfo->netfs_user) { if (strstr(bkpinfo->netfs_proto, "sshfs")) { mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount); } else if (strstr(bkpinfo->netfs_proto, "smbfs")) { sprintf(tmp, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user); } else if (strstr(bkpinfo->netfs_proto, "nfs")) { mr_asprintf(tmp1, "mount %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount); } else { log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto); fatal_error("Bad Protocol\n"); } } else { if (strstr(bkpinfo->netfs_proto, "sshfs")) { mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount); } else if (strstr(bkpinfo->netfs_proto, "smbfs")) { sprintf(tmp, "mount -t cifs %s", bkpinfo->netfs_mount); } else if (strstr(bkpinfo->netfs_proto, "nfs")) { mr_asprintf(tmp1, "mount %s", bkpinfo->netfs_mount); } else { log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto); fatal_error("Bad Protocol\n"); } } i = system(tmp1); mr_free(tmp1); if (i) { log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount); retval++; } else { if (bkpinfo->netfs_user) { mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount); } else { mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount); } mr_free(bkpinfo->isodir); bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1,TRUE); mr_free(tmp1); if (strlen(bkpinfo->isodir) < 3) { retval++; log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount); } } } log_msg(3, "proto = %s", bkpinfo->netfs_proto); log_msg(3, "mount = %s", bkpinfo->netfs_mount); if (bkpinfo->netfs_user) { log_msg(3, "user = %s", bkpinfo->netfs_user); } log_msg(3, "isodir= %s", bkpinfo->isodir); } if (flag_set['c']) { bkpinfo->backup_media_type = cdr; } if (flag_set['C']) { bkpinfo->backup_media_type = cdstream; } if (flag_set['i']) { bkpinfo->backup_media_type = iso; } if (flag_set['n']) { bkpinfo->backup_media_type = netfs; /* Never try to eject a Network device */ bkpinfo->please_dont_eject = TRUE; } if (flag_set['r']) { bkpinfo->backup_media_type = dvd; } if (flag_set['t']) { bkpinfo->backup_media_type = tape; } if (flag_set['u']) { bkpinfo->backup_media_type = udev; } if (flag_set['w']) { bkpinfo->backup_media_type = cdrw; } if (flag_set['U']) { bkpinfo->backup_media_type = usb; /* Never try to eject a USB device */ bkpinfo->please_dont_eject = TRUE; } if (flag_set['z']) { tmp1 = find_home_of_exe("getfattr"); if (tmp1) { mr_asprintf(g_getfattr,"getfattr"); } mr_free(tmp1); tmp1 = find_home_of_exe("getfacl"); if (tmp1) { mr_asprintf(g_getfacl,"getfacl"); } mr_free(tmp1); } /* optional, popular */ if (flag_set['g']) { g_text_mode = FALSE; } if (flag_set['E']) { if (bkpinfo->exclude_paths && bkpinfo->exclude_paths[0] == '-') { retval++; log_to_screen("Please supply a sensible value with '-E'\n"); } mr_asprintf(tmp1, "%s", flag_val['E']); p = tmp1; q = tmp1; /* Cut the flag_val['E'] in parts containing all paths to test them */ while (p != NULL) { q = strchr(p, '|'); if (q != NULL) { *q = '\0'; /* Fix bug 14 where ending / cause a problem later * so handled here for the moment */ q--; if (*q == '/') { *q = '\0'; } q++; /* End of bug fix */ if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) { log_msg(1, "WARNING ! %s doesn't exist", p); } p = q+1 ; } else { if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) { log_msg(1, "WARNING ! %s doesn't exist", p); } p = NULL; } } mr_free(tmp1); mr_make_devlist_from_pathlist(flag_val['E'], 'E'); log_msg(4, "Finished with the -E option"); } if (flag_set['e']) { bkpinfo->please_dont_eject = TRUE; } if (flag_set['M']) { g_max_biggie_size = atol(flag_val['M']); log_msg(1, "Max size for biggie file is now %ld KB", g_max_biggie_size); } if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices { psz = list_of_NETFS_mounts_only(); log_msg(5, "-N means we'll exclude %s", psz); if (bkpinfo->exclude_paths) { mr_strcat(bkpinfo->exclude_paths, "|%s", psz); mr_free(psz); } else { bkpinfo->exclude_paths = psz; } if (bkpinfo->exclude_paths != NULL) { log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths); } } if (flag_set['b']) { mr_asprintf(psz, "%s", flag_val['b']); log_msg(1, "psz = '%s'", psz); if (psz[strlen(psz) - 1] == 'k') { psz[strlen(psz) - 1] = '\0'; itbs = atol(psz) * 1024L; } else { itbs = atol(psz); } mr_free(psz); log_msg(1, "'%s' --> %ld", flag_val['b'], itbs); log_msg(1, "Internal tape block size is now %ld bytes", itbs); if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) { fatal_error("Are you nuts? Silly, your internal tape block size is. Abort, I shall."); } bkpinfo->internal_tape_block_size = itbs; } if ((flag_set['D']) && (! bkpinfo->restore_data)) { bkpinfo->differential = 1; // bkpinfo->differential = atoi (flag_val['D']); if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) { fatal_error("The D option should be between 1 and 9 inclusive"); } } if (flag_set['x']) { mr_asprintf(bkpinfo->image_devs, "%s", flag_val['x']); if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) { fatal_error("Please install ntfsprogs package/tarball."); } } if (flag_set['m']) { bkpinfo->manual_cd_tray = TRUE; } if ((flag_set['k']) && (! bkpinfo->restore_data)) { mr_free(bkpinfo->kernel_path); mr_asprintf(bkpinfo->kernel_path, "%s", flag_val['k']); if (!does_file_exist(bkpinfo->kernel_path)) { retval++; log_to_screen("You specified kernel '%s', which does not exist\n", bkpinfo->kernel_path); } } if (flag_set['p']) { mr_free(bkpinfo->prefix); mr_asprintf(bkpinfo->prefix, "%s", flag_val['p']); log_msg(1,"Prefix forced to %s",bkpinfo->prefix); } if (flag_set['d']) { /* backup directory (if ISO/NETFS) */ if (flag_set['i']) { mr_free(bkpinfo->isodir); mr_asprintf(bkpinfo->isodir, "%s", flag_val['d']); mr_asprintf(tmp1, "ls -l %s", bkpinfo->isodir); if (run_program_and_log_output(tmp1, 2)) { mr_free(tmp1); fatal_error("output folder does not exist - please create it"); } mr_free(tmp1); } else if (flag_set['n']) { mr_free(bkpinfo->netfs_remote_dir); mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']); } else { /* backup device (if tape/CD-R/CD-RW) */ mr_free(bkpinfo->media_device); mr_asprintf(bkpinfo->media_device, "%s", flag_val['d']); } } if ((flag_set['n']) && (! bkpinfo->restore_data)) { mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir); if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) { mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1); } else { mr_asprintf(tmp2, "echo hi > %s", tmp1); } i = run_program_and_log_output(tmp2, 2); mr_free(tmp2); if (i) { retval++; log_to_screen(tmp2, "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n", bkpinfo->netfs_remote_dir, bkpinfo->netfs_mount); } unlink(tmp1); mr_free(tmp1); } if (!flag_set['d'] && (flag_set['c'] || flag_set['w'] || flag_set['C'])) { if (g_kernel_version >= 2.6) { tmp2 = popup_and_get_string("Device", "Please specify the device", bkpinfo->media_device); if (tmp2 == NULL) { fatal_error("User opted to cancel."); } bkpinfo->media_device = tmp2; } else { bkpinfo->media_device = find_cdrw_device(); if (bkpinfo->media_device == NULL) { retval++; log_to_screen("Tried and failed to find CD-R[W] drive automatically.\n"); } else { flag_set['d'] = TRUE; strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4); } } } if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) { retval++; log_to_screen("Please specify the backup device/directory.\n"); fatal_error("You didn't use -d to specify the backup device/directory."); } for (i = '0'; i <= '9'; i++) { if (flag_set[i]) { bkpinfo->compression_level = i - '0'; } /* not '\0' but '0' */ } if (flag_set['S']) { /* Before changing remove old ones if any */ if (bkpinfo->scratchdir) { if (chdir("/tmp")) { // FIXME } mr_asprintf(tmp1, "rm -Rf %s", bkpinfo->scratchdir); paranoid_system(tmp1); mr_free(tmp1); } mr_asprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'], random() % 32768); } if (flag_set['T']) { setup_tmpdir(flag_val['T']); mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir); i = run_program_and_log_output(tmp1, 1); mr_free(tmp1); if (i) { log_to_screen("Please specify a tempdir which I can write to. :)"); fatal_error("I cannot write to the tempdir you specified."); } mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir); i = run_program_and_log_output(tmp1, 1); mr_free(tmp1); if (i) { retval++; log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir."); fatal_error("I cannot write to the tempdir you specified."); } } if ((flag_set['A']) && (! bkpinfo->restore_data)) { mr_asprintf(bkpinfo->call_after_iso, "%s", flag_val['A']); } if ((flag_set['B']) && (! bkpinfo->restore_data)) { mr_asprintf(bkpinfo->call_before_iso, "%s", flag_val['B']); } if ((flag_set['H']) && (! bkpinfo->restore_data)) { g_cd_recovery = TRUE; } if ((flag_set['l']) && (! bkpinfo->restore_data)) { #ifdef __FreeBSD__ # define BOOT_LOADER_CHARS "GLBMR" #else # ifdef __IA64__ # define BOOT_LOADER_CHARS "GER" # else # define BOOT_LOADER_CHARS "GLR" # endif #endif if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) { log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader); fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch"); } #undef BOOT_LOADER_CHARS } if (flag_set['f']) { mr_free(bkpinfo->boot_device); bkpinfo->boot_device = resolve_softlinks_to_get_to_actual_device_file(flag_val['f']); } if ((flag_set['P']) && (! bkpinfo->restore_data)) { mr_free(bkpinfo->postnuke_tarball); mr_asprintf(bkpinfo->postnuke_tarball, "%s", flag_val['P']); } if (flag_set['Q']) { i = which_boot_loader(NULL); log_msg(3, "boot loader is %c", i); printf("boot loader is %c\n", i); finish(0); } if ((flag_set['L']) && (! bkpinfo->restore_data)) { bkpinfo->use_lzo = TRUE; if (run_program_and_log_output("which lzop", 2)) { retval++; log_to_screen("Please install LZOP. You can't use '-L' until you do.\n"); } } if (flag_set['F']) { log_msg(3, "-F means we will fail immediately at the first interaction request"); g_fail_immediately = TRUE; } if ((flag_set['G']) && (! bkpinfo->restore_data)) { bkpinfo->use_gzip = TRUE; if (run_program_and_log_output("which gzip", 2)) { retval++; log_to_screen("Please install gzip. You can't use '-G' until you do.\n"); } } if ((flag_set['Y']) && (! bkpinfo->restore_data)) { bkpinfo->use_lzma = TRUE; if (run_program_and_log_output("which lzma", 2)) { retval++; log_to_screen("Please install lzma. You can't use '-Y' until you do.\n"); } } bkpinfo->use_obdr = FALSE; if (flag_set['o']) { if ((!flag_set['t']) && (! bkpinfo->restore_data)) { log_to_screen("OBDR support is only available for tapes. Use the -t option"); fatal_error("Aborting"); } bkpinfo->use_obdr = TRUE; } #ifndef __FreeBSD__ if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) { bkpinfo->make_cd_use_lilo = TRUE; log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore"); log_to_screen("using LILO instead of SYSLINUX as the media boot loader."); } if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) { bkpinfo->make_cd_use_lilo = TRUE; #ifdef __IA32__ log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as"); log_to_screen("your boot loader. I shall therefore use LILO instead."); #endif #ifdef __IA64__ log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI"); log_to_screen("environment correctly. Please install it."); fatal_error("Aborting"); #endif } #ifdef __IA64__ /* We force ELILO usage on IA64 */ bkpinfo->make_cd_use_lilo = TRUE; #endif #endif if (! bkpinfo->restore_data) { i = flag_set['O'] + flag_set['V']; if (i == 0) { retval++; log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n"); } } if ((! bkpinfo->restore_data) && (flag_set['Z'])) { fatal_error("The -Z switch is only valid in restore mode"); } if (flag_set['Z']) { if (! strcmp(flag_val['Z'], "nuke")) { bkpinfo->restore_mode = nuke; } else if (! strcmp(flag_val['Z'], "interactive")) { bkpinfo->restore_mode = interactive; } else if (! strcmp(flag_val['Z'], "compare")) { bkpinfo->restore_mode = compare; } else if (! strcmp(flag_val['Z'], "mbr")) { bkpinfo->restore_mode = mbr; } else if (! strcmp(flag_val['Z'], "iso")) { bkpinfo->restore_mode = isoonly; } else if (! strcmp(flag_val['Z'], "isonuke")) { bkpinfo->restore_mode = isonuke; } else { bkpinfo->restore_mode = interactive; } } /* and finally... */ return (retval); } /** * Get the switches from @p argc and @p argv using getopt() and place them in * @p flag_set and @p flag_val. * @param argc The argument count (@p argc passed to main()). * @param argv The argument vector (@p argv passed to main()). * @param flag_val An array indexed by switch letter - if a switch is set and * has an argument then set flag_val[switch] to that argument. * @param flag_set An array indexed by switch letter - if a switch is set then * set flag_set[switch] to TRUE, else set it to FALSE. * @return The number of problems with the command line (0 for success). */ int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128]) { /*@ ints ** */ int opt = 0; int i = 0; int len; /*@ bools *** */ bool bad_switches = FALSE; assert(flag_val != NULL); assert(flag_set != NULL); for (i = 0; i < 128; i++) { flag_val[i][0] = '\0'; flag_set[i] = FALSE; } while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) { if (opt == '?') { bad_switches = TRUE; } else { if (flag_set[opt]) { bad_switches = TRUE; log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]); } else { flag_set[opt] = TRUE; if (optarg) { len = strlen(optarg); if (optarg[0] != '/' && optarg[len - 1] == '/') { optarg[--len] = '\0'; log_to_screen ("Warning - param '%s' should not have trailing slash!", optarg); } if (opt == 'd') { if (strchr(flag_val[opt], '/') && flag_val[opt][0] != '/') { log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]); bad_switches = TRUE; } } strcpy(flag_val[opt], optarg); } } } } for (i = optind; i < argc; i++) { bad_switches = TRUE; log_to_screen("Invalid arg -- %s\n", argv[i]); } return (bad_switches); } /** * Print a not-so-helpful help message and exit. */ void help_screen() { log_msg(1, "Type 'man mondoarchive' for more information\n"); exit(1); } /** * Terminate Mondo in response to a signal. * @param sig The signal number received. */ void terminate_daemon(int sig) { char *tmp = NULL; char *tmp2 = NULL; switch (sig) { case SIGINT: mr_asprintf(tmp, "SIGINT"); mr_asprintf(tmp2, "You interrupted me :-)"); break; case SIGKILL: mr_asprintf(tmp, "SIGKILL"); mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system."); break; case SIGTERM: mr_asprintf(tmp, "SIGTERM"); mr_asprintf(tmp2, "Got terminate signal"); break; case SIGHUP: mr_asprintf(tmp, "SIGHUP"); mr_asprintf(tmp2, "Hangup on line"); break; case SIGSEGV: mr_asprintf(tmp, "SIGSEGV"); mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log."); break; case SIGPIPE: mr_asprintf(tmp, "SIGPIPE"); mr_asprintf(tmp2, "Pipe was broken"); break; case SIGABRT: mr_asprintf(tmp, "SIGABRT"); mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message."); break; default: mr_asprintf(tmp, "(Unknown)"); mr_asprintf(tmp2, "(Unknown)"); } mr_strcat(tmp, " signal received from OS"); log_to_screen(tmp); mr_free(tmp); log_to_screen(tmp2); mr_free(tmp2); if (sig == SIGABRT) { sleep(10); } kill_buffer(); free_MR_global_filenames(); fatal_error("MondoRescue is terminating in response to a signal from the OS"); finish(254); // just in case } /** * Turn signal-trapping on or off. * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much). */ void set_signals(int on) { int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 }; int i; signal(SIGPIPE, sigpipe_occurred); for (i = 0; signals[i]; i++) { if (on) { signal(signals[i], terminate_daemon); } else { signal(signals[i], termination_in_progress); } } } /** * Exit immediately without cleaning up. * @param sig The signal we are exiting due to. */ void termination_in_progress(int sig) { log_msg(1, "Termination in progress"); usleep(1000); pthread_exit(0); } /* @} - end of cliGroup */