source: MondoRescue/branches/stable/mondo/src/mondoarchive/mondo-cli.c@ 1765

Last change on this file since 1765 was 1680, checked in by Bruno Cornec, 18 years ago

new parameter handled (differential)
  • Property svn:keywords set to Id
File size: 26.5 KB
Line 
1/***************************************************************************
2$Id: mondo-cli.c 1680 2007-10-12 10:21:57Z bruno $
3*******************************************************************/
4
5/**
6 * @file
7 * Functions for handling command-line arguments passed to mondoarchive.
8 */
9
10/** @def BOOT_LOADER_CHARS The characters allowed for boot loader on this platform. */
11
12#include "my-stuff.h"
13#include "mondostructures.h"
14#include "mondo-cli-EXT.h"
15#include "libmondo.h"
16#include <pthread.h>
17
18#include "mr_mem.h"
19#include "mr_msg.h"
20#include "mr_gettext.h"
21#include "mr_conf.h"
22
23//static char cvsid[] = "$Id: mondo-cli.c 1680 2007-10-12 10:21:57Z bruno $";
24
25extern bool g_text_mode;
26extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
27extern char g_tmpfs_mountpt[MAX_STR_LEN];
28extern bool g_sigpipe;
29
30extern struct mr_ar_conf *mr_conf;
31
32/*@ file pointer **************************************************/
33extern FILE *g_tape_stream;
34
35/*@ long long *****************************************************/
36extern long long g_tape_posK;
37
38/*@ long **********************************************************/
39extern long g_noof_sets;
40
41/*@ bool******** **************************************************/
42bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup
43bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup
44extern bool g_cd_recovery;
45
46extern void setup_tmpdir(char *path);
47
48/**
49 * Whether we're restoring from ISOs. Obviously not, since this is the
50 * backup program.
51 * @note You @b MUST declare this variable somewhere in your program if
52 * you use libmondo. Otherwise the link will fail.
53 * @ingroup globalGroup
54 */
55bool g_ISO_restore_mode = FALSE;
56
57extern double g_kernel_version;
58extern int g_current_media_number;
59extern pid_t g_main_pid;
60extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
61
62/* Do we use extended attributes and acl ?
63 * By default no, use --acl & --attr options to force their usage */
64char *g_getfacl = NULL;
65char *g_getfattr = NULL;
66
67/* Reference to global bkpinfo */
68extern struct s_bkpinfo *bkpinfo;
69
70/**
71 * @addtogroup cliGroup
72 * @{
73 */
74/**
75 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
76 * @param argc The argument count, including the program name; @p argc passed to main().
77 * @param argv The argument vector; @p argv passed to main().
78 * @param bkpinfo The backup information structure to populate.
79 * @return The number of problems with the command line (0 for success).
80 */
81int
82handle_incoming_parameters(int argc, char *argv[])
83{
84 /*@ int *** */
85 int res = 0;
86 int retval = 0;
87 int i = 0;
88
89 /*@ buffers *************** */
90 char *tmp = NULL;
91 char flag_val[128][MAX_STR_LEN];
92 bool flag_set[128];
93
94 sensibly_set_tmpdir_and_scratchdir();
95
96 for (i = 0; i < 128; i++) {
97 flag_val[i][0] = '\0';
98 flag_set[i] = FALSE;
99 }
100 res = retrieve_switches_from_command_line(argc, argv, flag_val,
101 flag_set);
102 retval += res;
103 if (!retval) {
104 res = process_switches(flag_val, flag_set);
105 retval += res;
106 }
107/*
108 if (!retval)
109 {
110*/
111 mr_msg(3, "Switches:-");
112 for (i = 0; i < 128; i++) {
113 if (flag_set[i]) {
114 mr_msg(3, "-%c %s", i, flag_val[i]);
115 }
116 }
117// }
118 mr_asprintf(&tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
119 paranoid_system(tmp);
120 mr_free(tmp);
121
122 mr_asprintf(&tmp, "rm -Rf %s/mondo.scratch.*", bkpinfo->scratchdir);
123 paranoid_system(tmp);
124 mr_free(tmp);
125
126 sprintf(bkpinfo->scratchdir + strlen(bkpinfo->scratchdir),
127 "/mondo.scratch.%ld", random() % 32767);
128
129 mr_asprintf(&tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
130 paranoid_system(tmp);
131 mr_free(tmp);
132
133 mr_asprintf(&tmp, "mkdir -p %s", bkpinfo->scratchdir);
134 paranoid_system(tmp);
135 mr_free(tmp);
136 return (retval);
137}
138
139
140/**
141 * Store the sizespec(s) stored in @p value into @p bkpinfo.
142 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
143 * @param value The sizespec (e.g. "2g", "40m").
144 * @return 0, always.
145 * @bug Return code not needed.
146 */
147int process_the_s_switch(char *value)
148{
149 char *tmp = NULL;
150 char *q = NULL;
151
152 assert(bkpinfo != NULL);
153 assert(value != NULL);
154
155 mr_asprintf(&tmp, value);
156 q = strchr(tmp, ',');
157 if (q != NULL) {
158 *q = '\0';
159 }
160 bkpinfo->media_size = friendly_sizestr_to_sizelong(tmp);
161 mr_free(tmp);
162
163 mr_msg(3, "media_size = %ld", bkpinfo->media_size);
164 if (bkpinfo->media_size <= 0L) {
165 mr_msg(1, "You gave media an invalid size\n");
166 return (-1);
167 }
168 return (0);
169}
170
171
172/**
173 * Process mondoarchive's command-line switches.
174 * @param bkpinfo The backup information structure to populate.
175 * @param flag_val An array of the argument passed to each switch (the letter is the index).
176 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
177 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
178 * FALSE if it's not.
179 * @return The number of problems with the switches, or 0 for success.
180 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
181 */
182int
183process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
184{
185
186 /*@ ints *** */
187 int i = 0;
188 int retval = 0;
189 int percent = 0;
190
191 /*@ buffers ** */
192 char *tmp = NULL;
193 char *tmp1 = NULL;
194 char *tmp2 = NULL;
195 char *psz = NULL;
196 char *p = NULL;
197 char *q = NULL;
198
199 long itbs = 0L;
200
201 struct stat buf;
202
203 malloc_string(tmp);
204
205 assert(bkpinfo != NULL);
206 assert(flag_val != NULL);
207 assert(flag_set != NULL);
208
209 bkpinfo->internal_tape_block_size = mr_conf->internal_tape_blocksize;
210
211 /* compulsory */
212 i = flag_set['i'] + flag_set['n'] +
213 flag_set['t'] + flag_set['u'] + flag_set['r'] +
214 flag_set['w'] + flag_set['C'] + flag_set['U'];
215 if (i == 0) {
216 retval++;
217 log_to_screen(_("You must specify the media type\n"));
218 }
219 if (i > 1) {
220 retval++;
221 log_to_screen(_("Please specify only one media type\n"));
222 }
223 if (flag_set['K']) {
224 mr_conf->log_level = atoi(flag_val['K']);
225 if (mr_conf->log_level < 3) {
226 mr_conf->log_level = 3;
227 }
228 }
229 if (flag_set['L'] && flag_set['0']) {
230 retval++;
231 log_to_screen(_("You cannot have 'no compression' _and_ LZOP.\n"));
232 }
233 bkpinfo->backup_data = flag_set['O'];
234 bkpinfo->verify_data = flag_set['V'];
235 if (flag_set['I'] && !bkpinfo->backup_data) {
236 log_to_screen(_("-I switch is ignored if just verifying"));
237 }
238 if (flag_set['E'] && !bkpinfo->backup_data) {
239 log_to_screen(_("-E switch is ignored if just verifying"));
240 }
241
242 if (!find_home_of_exe("afio")) {
243 if (find_home_of_exe("star")) {
244 flag_set['R'] = TRUE;
245 mr_msg(1, "Using star instead of afio");
246 } else {
247 fatal_error
248 ("Neither afio nor star is installed. Please install at least one.");
249 }
250 }
251
252 if (flag_set['R']) {
253 bkpinfo->use_star = TRUE;
254 if (flag_set['L']) {
255 fatal_error("You may not use star and lzop at the same time.");
256 }
257 if (!find_home_of_exe("star")) {
258 fatal_error
259 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
260 }
261 }
262 if (flag_set['W']) {
263 bkpinfo->nonbootable_backup = TRUE;
264 log_to_screen("Warning - you have opted for non-bootable backup");
265 if (flag_set['f'] || flag_set['l']) {
266 log_to_screen
267 (_("You don't need to specify bootloader or bootdevice"));
268 }
269 }
270 if (flag_set['t'] && flag_set['H']) {
271 fatal_error
272 ("Sorry, you may not nuke w/o warning from tape. Drop -H, please.");
273 }
274 if (flag_set['I']) {
275 if (!strcmp(bkpinfo->include_paths, "/")) {
276 mr_msg(2, "'/' is pleonastic.");
277 bkpinfo->include_paths[0] = '\0';
278 }
279 if (bkpinfo->include_paths[0]) {
280 strcat(bkpinfo->include_paths, " ");
281 }
282 mr_asprintf(&tmp1, flag_val['I']);
283 p = tmp1;
284 q = tmp1;
285
286 /* Cut the flag_val['I'] in parts containing all paths to test them */
287 while (p != NULL) {
288 q = strchr(p, ' ');
289 if (q != NULL) {
290 *q = '\0';
291 if (stat(p, &buf) != 0) {
292 mr_msg(1, "ERROR ! %s doesn't exist", p);
293 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
294 }
295 p = q+1 ;
296 } else {
297 if (stat(p, &buf) != 0) {
298 mr_msg(1, "ERROR ! %s doesn't exist", p);
299 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
300 }
301 p = NULL;
302 }
303 }
304 mr_free(tmp1);
305
306 strncpy(bkpinfo->include_paths + strlen(bkpinfo->include_paths),
307 flag_val['I'],
308 4*MAX_STR_LEN - strlen(bkpinfo->include_paths));
309 mr_msg(1, "include_paths is now '%s'", bkpinfo->include_paths);
310 if (bkpinfo->include_paths[0] == '-') {
311 retval++;
312 log_to_screen(_("Please supply a sensible value with '-I'\n"));
313 }
314 }
315
316 if (g_kernel_version >= 2.6 && !flag_set['d']
317 && flag_set['w']) {
318 fatal_error
319 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
320 }
321
322 if (flag_set['J']) {
323 if (flag_set['I']) {
324 retval++;
325 log_to_screen
326 (_("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 <filename> but please don't combine -J with -I. Thanks. :-)"));
327 }
328 bkpinfo->make_filelist = FALSE;
329 strcpy(bkpinfo->include_paths, flag_val['J']);
330 }
331
332 if (flag_set['w'] || flag_set['C'] || flag_set['r']) {
333 if (!flag_set['r'] && g_kernel_version <= 2.5
334 && strstr(flag_val['d'], "/dev/")) {
335 fatal_error
336 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
337 }
338 if (flag_set['r'] && g_kernel_version <= 2.5
339 && !strstr(flag_val['d'], "/dev/")) {
340 fatal_error
341 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
342 }
343 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
344 log_to_screen
345 (_("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk..."));
346 }
347
348 if (system("which cdrecord > /dev/null 2> /dev/null")
349 && system("which dvdrecord > /dev/null 2> /dev/null")) {
350 fatal_error
351 ("Please install dvdrecord/cdrecord and try again.");
352 }
353 if (flag_set['w']) {
354 mr_msg(3, "flag_val['w'] = %s", flag_val['w']);
355 bkpinfo->writer_speed = atoi(flag_val['w']);
356 }
357
358 if (bkpinfo->writer_speed < 1) {
359 fatal_error
360 ("You specified a silly speed for a burner");
361 }
362 }
363
364 if (flag_set['t'] && !flag_set['d']) {
365 log_it("Hmm! No tape drive specified. Let's see what we can do.");
366 if (find_tape_device_and_size(flag_val['d'], tmp)) {
367 log_to_screen
368 ("Tape device not specified. I had problems to find it either");
369 }
370 flag_set['d'] = TRUE;
371 mr_asprintf(&tmp2,
372 _("You didn't specify a tape streamer device. I'm assuming %s"),
373 flag_val['d']);
374 log_to_screen(tmp2);
375 mr_free(tmp2);
376 percent = 0;
377 }
378
379 if (flag_set['U']) // USB
380 {
381 if (! flag_set['d']) {
382 fatal_error
383 ("You need to specify a device file with -d for bootable USB device creation");
384 }
385 if (!flag_set['s']) {
386 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
387 }
388 }
389
390 if (flag_set['r']) // DVD
391 {
392 if (flag_set['m']) {
393 fatal_error
394 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
395 }
396 if (!flag_set['d']) {
397 if (!find_dvd_device(flag_val['d'], FALSE)) {
398 flag_set['d'] = TRUE;
399 log_to_screen(_("I guess DVD drive is at %s"), flag_val['d']);
400 }
401 }
402 if (!find_home_of_exe("growisofs")) {
403 fatal_error
404 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
405 }
406 if (!find_home_of_exe("dvd+rw-format")) {
407 fatal_error
408 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
409 }
410 if (strchr(flag_val['d'], ',')) {
411 fatal_error
412 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
413 }
414 }
415
416 if (flag_set['t'] || flag_set['u']) { /* tape size */
417 if (strchr(flag_val['d'], ',')) {
418 fatal_error
419 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
420 }
421 if (flag_set['O']) {
422 if (flag_set['s']) {
423 if (flag_set['t']) {
424 fatal_error
425 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
426 }
427 if (process_the_s_switch(flag_val['s'])) {
428 fatal_error("Bad -s switch");
429 }
430 } else if (flag_set['u'] || flag_set['t']) {
431 /* Force autodetection */
432 bkpinfo->media_size = 0L;
433 } else {
434 retval++;
435 log_to_screen("Tape size not specified.\n");
436 }
437 }
438 } else { /* CD|USB size */
439 if (flag_set['s']) {
440 if (process_the_s_switch(flag_val['s'])) {
441 fatal_error("Bad -s switch");
442 }
443 }
444 if (flag_set['w']) {
445 bkpinfo->wipe_media_first = TRUE;
446 } /* CD-RW */
447 }
448 if (flag_set['n']) {
449 strncpy(bkpinfo->nfs_mount, flag_val['n'], MAX_STR_LEN);
450 if (!flag_set['d']) {
451 strncpy(bkpinfo->nfs_remote_dir, "/", MAX_STR_LEN);
452 }
453 mr_asprintf(&tmp2, "mount | grep -E '^%s .*$' | cut -d' ' -f3",
454 bkpinfo->nfs_mount);
455 strncpy(bkpinfo->isodir,
456 call_program_and_get_last_line_of_output(tmp2),
457 MAX_STR_LEN / 4);
458 mr_free(tmp2);
459 if (strlen(bkpinfo->isodir) < 3) {
460 retval++;
461 log_to_screen(_("NFS share is not mounted. Please mount it.\n"));
462 }
463 mr_msg(3, "mount = %s", bkpinfo->nfs_mount);
464 mr_msg(3, "isodir= %s", bkpinfo->isodir);
465 }
466
467 if (flag_set['C']) {
468 bkpinfo->backup_media_type = cdstream;
469 }
470 if (flag_set['i']) {
471 bkpinfo->backup_media_type = iso;
472 }
473 if (flag_set['n']) {
474 bkpinfo->backup_media_type = nfs;
475 }
476 if (flag_set['r']) {
477 bkpinfo->backup_media_type = dvd;
478 }
479 if (flag_set['t']) {
480 bkpinfo->backup_media_type = tape;
481 }
482 if (flag_set['u']) {
483 bkpinfo->backup_media_type = udev;
484 }
485 if (flag_set['w']) {
486 bkpinfo->backup_media_type = cdrw;
487 }
488 if (flag_set['U']) {
489 bkpinfo->backup_media_type = usb;
490 }
491 if (flag_set['z']) {
492 if (find_home_of_exe("getfattr")) {
493 mr_asprintf(&g_getfattr,"getfattr");
494 }
495 if (find_home_of_exe("getfacl")) {
496 mr_asprintf(&g_getfacl,"getfacl");
497 }
498 }
499
500 /* optional, popular */
501 if (flag_set['g']) {
502 g_text_mode = FALSE;
503 }
504
505 if (flag_set['E']) {
506 if (bkpinfo->exclude_paths[0]) {
507 strcat(bkpinfo->exclude_paths, " ");
508 }
509 mr_asprintf(&tmp1, flag_val['E']);
510 p = tmp1;
511 q = tmp1;
512
513 /* Cut the flag_val['E'] in parts containing all paths to test them */
514 while (p != NULL) {
515 q = strchr(p, ' ');
516 if (q != NULL) {
517 *q = '\0';
518 /* Fix bug 14 where ending / cause a problem later
519 * so handled here for the moment */
520 q--;
521 if (*q == '/') {
522 *q = '\0';
523 }
524 q++;
525 /* End of bug fix */
526 if (stat(p, &buf) != 0) {
527 mr_msg(1, "WARNING ! %s doesn't exist", p);
528 }
529 p = q+1 ;
530 } else {
531 if (stat(p, &buf) != 0) {
532 mr_msg(1, "WARNING ! %s doesn't exist", p);
533 }
534 p = NULL;
535 }
536 }
537 mr_free(tmp1);
538
539 strncpy(bkpinfo->exclude_paths + strlen(bkpinfo->exclude_paths),
540 flag_val['E'],
541 4*MAX_STR_LEN - strlen(bkpinfo->exclude_paths));
542 }
543 if (flag_set['e']) {
544 bkpinfo->please_dont_eject = TRUE;
545 }
546 if (flag_set['N']) // exclude NFS mounts & devices
547 {
548 mr_asprintf(&psz, list_of_NFS_mounts_only());
549 if (bkpinfo->exclude_paths[0]) {
550 strncat(bkpinfo->exclude_paths, " ", 4*MAX_STR_LEN);
551 }
552 strncat(bkpinfo->exclude_paths, psz, 4*MAX_STR_LEN);
553 mr_free(psz);
554 mr_msg(3, "-N means we're now excluding %s",
555 bkpinfo->exclude_paths);
556 }
557 if (strlen(bkpinfo->exclude_paths) >= 4*MAX_STR_LEN) {
558 fatal_error
559 ("Your '-E' parameter is too long. Increase MAX_STR_LEN");
560 }
561 if (flag_set['b']) {
562 mr_asprintf(&psz, flag_val['b']);
563 mr_msg(1, "psz = '%s'", psz);
564 if (psz[strlen(psz) - 1] == 'k') {
565 psz[strlen(psz) - 1] = '\0';
566 itbs = atol(psz) * 1024L;
567 } else {
568 itbs = atol(psz);
569 }
570 mr_free(psz);
571
572 mr_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
573 mr_msg(1, "Internal tape block size is now %ld bytes", itbs);
574 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
575 fatal_error
576 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
577 }
578 bkpinfo->internal_tape_block_size = itbs;
579 }
580
581 if (flag_set['D']) {
582 bkpinfo->differential = TRUE;
583 } else {
584 bkpinfo->differential = mr_conf->differential;
585 }
586
587 if (flag_set['x']) {
588 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
589 if (run_program_and_log_output("which ntfsclone", 2)) {
590 fatal_error("Please install ntfsprogs package/tarball.");
591 }
592 }
593 if (flag_set['m']) {
594 bkpinfo->manual_tray = TRUE;
595 }
596 if (flag_set['k']) {
597 mr_allocstr(bkpinfo->kernel_path, flag_val['k']);
598 if (!strcmp(bkpinfo->kernel_path, "failsafe")) {
599 mr_allocstr(bkpinfo->kernel_path, "FAILSAFE");
600 }
601 if (strcmp(bkpinfo->kernel_path, "FAILSAFE")
602 && !does_file_exist(bkpinfo->kernel_path)) {
603 retval++;
604 mr_asprintf(&tmp2,
605 _("You specified kernel '%s', which does not exist\n"),
606 bkpinfo->kernel_path);
607 log_to_screen(tmp2);
608 mr_free(tmp2);
609 }
610 }
611
612 if (flag_set['p']) {
613 mr_allocstr(bkpinfo->prefix, flag_val['p']);
614 }
615
616 if (flag_set['d']) { /* backup directory (if ISO/NFS/USB) */
617 if (flag_set['i']) {
618 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
619 mr_asprintf(&tmp2, "ls -l %s", bkpinfo->isodir);
620 if (run_program_and_log_output(tmp2, FALSE)) {
621 fatal_error
622 ("output folder does not exist - please create it");
623 }
624 mr_free(tmp2);
625 } else if (flag_set['n']) {
626 strncpy(bkpinfo->nfs_remote_dir, flag_val['d'], MAX_STR_LEN);
627 } else { /* backup device (if tape/CD-R/CD-RW) */
628 mr_asprintf(&tmp2,flag_val['d']);
629 mr_free(bkpinfo->media_device);
630 bkpinfo->media_device = tmp2;
631 }
632 }
633
634 if (flag_set['n']) {
635 mr_asprintf(&tmp2, "echo hi > %s/%s/.dummy.txt", bkpinfo->isodir,
636 bkpinfo->nfs_remote_dir);
637 if (run_program_and_log_output(tmp2, FALSE)) {
638 retval++;
639 mr_free(tmp2);
640 mr_asprintf(&tmp2,
641 _("Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n"),
642 bkpinfo->nfs_remote_dir, bkpinfo->nfs_mount);
643 log_to_screen(tmp2);
644 }
645 mr_free(tmp2);
646 }
647
648 if (!flag_set['d']
649 && (flag_set['w'] || flag_set['C'] || flag_set['U'])) {
650 if (bkpinfo->media_device) {
651 mr_msg(4, "Using device %s", bkpinfo->media_device);
652 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
653 flag_set['d'] = TRUE;
654 } else {
655 fatal_error(_("No device provided either on command line or in the configuration file"));
656 }
657 }
658
659 if (!flag_set['d'] && !flag_set['n'] && !flag_set['C']) {
660 retval++;
661 log_to_screen(_("Please specify the backup device/directory.\n"));
662 fatal_error
663 ("You didn't use -d to specify the backup device/directory.");
664 }
665/* optional, obscure */
666 for (i = '0'; i <= '9'; i++) {
667 if (flag_set[i]) {
668 bkpinfo->compression_level = i - '0';
669 } /* not '\0' but '0' */
670 }
671 if (flag_set['S']) {
672 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'],
673 random() % 32768);
674 }
675 if (flag_set['T']) {
676 setup_tmpdir(flag_val['T']);
677 mr_asprintf(&tmp2, "touch %s/.foo.dat", flag_val['T']);
678 if (run_program_and_log_output(tmp2, 1)) {
679 retval++;
680 log_to_screen
681 (_("Please specify a tempdir which I can write to. :)"));
682 fatal_error("I cannot write to the tempdir you specified.");
683 }
684 mr_free(tmp2);
685
686 mr_asprintf(&tmp2, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
687 if (run_program_and_log_output(tmp2, 1)) {
688 retval++;
689 log_to_screen
690 (_("Please don't specify a SAMBA or VFAT or NFS tmpdir."));
691 fatal_error("I cannot write to the tempdir you specified.");
692 }
693 mr_free(tmp2);
694 }
695
696 if (flag_set['A']) {
697 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
698 }
699 if (flag_set['B']) {
700 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
701 }
702 if (flag_set['H']) {
703 g_cd_recovery = TRUE;
704 }
705 if (flag_set['l']) {
706#ifdef __FreeBSD__
707# define BOOT_LOADER_CHARS "GLBMR"
708#else
709# ifdef __IA64__
710# define BOOT_LOADER_CHARS "GER"
711# else
712# define BOOT_LOADER_CHARS "GLR"
713# endif
714#endif
715 if (!strchr
716 (BOOT_LOADER_CHARS,
717 (bkpinfo->boot_loader = flag_val['l'][0]))) {
718 mr_msg(1, "%c? What is %c? I need G, L, E or R.",
719 bkpinfo->boot_loader, bkpinfo->boot_loader);
720 fatal_error
721 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
722 }
723#undef BOOT_LOADER_CHARS
724 }
725
726 if (flag_set['f']) {
727 strncpy(bkpinfo->boot_device,
728 resolve_softlinks_to_get_to_actual_device_file(flag_val
729 ['f']),
730 MAX_STR_LEN / 4);
731 }
732
733 if (flag_set['Q']) {
734 if (bkpinfo->boot_device == NULL) {
735 fatal_error("-f option required when using -Q\n");
736 }
737 i = which_boot_loader(bkpinfo->boot_device);
738 mr_msg(3, "boot loader is %c, residing at %s", i, bkpinfo->boot_device);
739 log_to_screen(_("boot loader is %c, residing at %s\n"), i, tmp);
740 finish(0);
741 }
742
743 if (flag_set['P']) {
744 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
745 }
746
747 if (flag_set['L']) {
748 bkpinfo->use_lzo = TRUE;
749 if (run_program_and_log_output("which lzop", FALSE)) {
750 retval++;
751 log_to_screen
752 (_("Please install LZOP. You can't use '-L' until you do.\n"));
753 }
754 }
755
756 if (flag_set['G']) {
757 bkpinfo->use_gzip = TRUE;
758 if (run_program_and_log_output("which gzip", FALSE)) {
759 retval++;
760 log_to_screen
761 ("Please install gzip. You can't use '-G' until you do.\n");
762 }
763 }
764
765 if (!flag_set['o']
766 &&
767 !run_program_and_log_output
768 ("grep -Ei suse /etc/issue.net | grep -E '9.0' | grep 64", TRUE)) {
769 bkpinfo->make_cd_use_lilo = TRUE;
770 log_to_screen
771 (_("Forcing you to use LILO. SuSE 9.0 (64-bit) has a broken mkfs.vfat binary."));
772 }
773
774 if (flag_set['o']) {
775 bkpinfo->make_cd_use_lilo = TRUE;
776 }
777#ifndef __FreeBSD__
778 else {
779 if (!is_this_a_valid_disk_format("vfat")) {
780 bkpinfo->make_cd_use_lilo = TRUE;
781 log_to_screen
782 (_("Your kernel appears not to support vfat filesystems. I am therefore"));
783 log_to_screen
784 (_("using LILO instead of SYSLINUX as the CD's boot loader."));
785 }
786 if (run_program_and_log_output("which mkfs.vfat", FALSE)) {
787 bkpinfo->make_cd_use_lilo = TRUE;
788#ifdef __IA32__
789 log_to_screen
790 (_("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as"));
791 log_to_screen
792 (_("your boot loader. I shall therefore use LILO instead."));
793#endif
794#ifdef __IA64__
795 log_to_screen
796 (_("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI"));
797 log_to_screen(_("environment correctly. Please install it."));
798 fatal_error("Aborting");
799#endif
800 }
801#ifdef __IA64__
802 /* We force ELILO usage on IA64 */
803 bkpinfo->make_cd_use_lilo = TRUE;
804#endif
805 }
806#endif
807
808 if (bkpinfo->make_cd_use_lilo && !does_file_exist("/boot/boot.b")) {
809 paranoid_system("touch /boot/boot.b");
810 }
811
812 i = flag_set['O'] + flag_set['V'];
813 if (i == 0) {
814 retval++;
815 log_to_screen(_("Specify backup (-O), verify (-V) or both (-OV).\n"));
816 }
817
818/* and finally... */
819
820 mr_free(tmp);
821 return (retval);
822}
823
824
825/**
826 * Get the switches from @p argc and @p argv using getopt() and place them in
827 * @p flag_set and @p flag_val.
828 * @param argc The argument count (@p argc passed to main()).
829 * @param argv The argument vector (@p argv passed to main()).
830 * @param flag_val An array indexed by switch letter - if a switch is set and
831 * has an argument then set flag_val[switch] to that argument.
832 * @param flag_set An array indexed by switch letter - if a switch is set then
833 * set flag_set[switch] to TRUE, else set it to FALSE.
834 * @return The number of problems with the command line (0 for success).
835 */
836int
837retrieve_switches_from_command_line(int argc, char *argv[],
838 char flag_val[128][MAX_STR_LEN],
839 bool flag_set[128])
840{
841 /*@ ints ** */
842 int opt = 0;
843 char *tmp = NULL;
844 int i = 0;
845 int len = 0;
846
847 /*@ bools *** */
848 bool bad_switches = FALSE;
849
850 assert(flag_val != NULL);
851 assert(flag_set != NULL);
852
853 for (i = 0; i < 128; i++) {
854 flag_val[i][0] = '\0';
855 flag_set[i] = FALSE;
856 }
857 while ((opt =
858 getopt(argc, argv,
859 "0123456789A:B:C:DE:FGHI:J:K:LNOP:QRS:T:UVWb:c:d:ef:gik:l:mn:op:rs:tuw:x:z"))
860 != -1) {
861 if (opt == '?') {
862 bad_switches = TRUE;
863 /*log_it("Invalid option: %c\n",optopt); */
864 } else {
865 if (flag_set[optopt]) {
866 bad_switches = TRUE;
867 mr_asprintf(&tmp, _("Switch -%c previously defined as %s\n"), opt,
868 flag_val[i]);
869 log_to_screen(tmp);
870 mr_free(tmp);
871 } else {
872 flag_set[opt] = TRUE;
873 if (optarg) {
874 len = strlen(optarg);
875 if (optarg[0] != '/' && optarg[len - 1] == '/') {
876 optarg[--len] = '\0';
877 log_to_screen
878 (_("Warning - param '%s' should not have trailing slash!"),
879 optarg);
880 }
881 if (opt == 'd') {
882 if (strchr(flag_val[opt], '/')
883 && flag_val[opt][0] != '/') {
884 mr_asprintf(&tmp,
885 _("-%c flag --- must be absolute path --- '%s' isn't absolute"),
886 opt, flag_val[opt]);
887 log_to_screen(tmp);
888 mr_free(tmp);
889 bad_switches = TRUE;
890 }
891 }
892 strcpy(flag_val[opt], optarg);
893 }
894 }
895 }
896 }
897 for (i = optind; i < argc; i++) {
898 bad_switches = TRUE;
899 mr_asprintf(&tmp, _("Invalid arg -- %s\n"), argv[i]);
900 log_to_screen(tmp);
901 mr_free(tmp);
902 }
903 return (bad_switches);
904}
905
906
907/**
908 * Terminate Mondo in response to a signal.
909 * @param sig The signal number received.
910 */
911void terminate_daemon(int sig)
912{
913 char *tmp = NULL;
914 char *tmp2 = NULL;
915
916 switch (sig) {
917 case SIGINT:
918 mr_asprintf(&tmp, _("SIGINT signal received from OS"));
919 mr_asprintf(&tmp2, _("You interrupted me :-)"));
920 break;
921 case SIGKILL:
922 mr_asprintf(&tmp, _("SIGKILL signal received from OS"));
923 mr_asprintf(&tmp2,
924 _("I seriously have no clue how this signal even got to me. Something's wrong with your system."));
925 break;
926 case SIGTERM:
927 mr_asprintf(&tmp, _("SIGTERM signal received from OS"));
928 mr_asprintf(&tmp2, _("Got terminate signal"));
929 break;
930 case SIGHUP:
931 mr_asprintf(&tmp, _("SIGHUP signal received from OS"));
932 mr_asprintf(&tmp2, _("Hangup on line"));
933 break;
934 case SIGSEGV:
935 mr_asprintf(&tmp, _("SIGSEGV signal received from OS"));
936 mr_asprintf(&tmp2,
937 _("Internal programming error. Please send a backtrace as well as your log."));
938 break;
939 case SIGPIPE:
940 mr_asprintf(&tmp, _("SIGPIPE signal received from OS"));
941 mr_asprintf(&tmp2, _("Pipe was broken"));
942 break;
943 case SIGABRT:
944 mr_asprintf(&tmp, _("SIGABRT signal received from OS"));
945 mr_asprintf(&tmp2,
946 _("Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message."));
947 break;
948 default:
949 mr_asprintf(&tmp, _("(Unknown)"));
950 mr_asprintf(&tmp2, _("(Unknown)"));
951 }
952
953 log_to_screen(tmp);
954 log_to_screen(tmp2);
955 mr_free(tmp);
956 mr_free(tmp2);
957 if (sig == SIGABRT) {
958 sleep(10);
959 }
960 kill_buffer();
961 fatal_error
962 ("Mondoarchive is terminating in response to a signal from the OS");
963 finish(254); // just in case
964}
965
966
967/**
968 * Turn signal-trapping on or off.
969 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
970 */
971void set_signals(int on)
972{
973 int signals[] =
974 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
975 int i;
976
977 signal(SIGPIPE, sigpipe_occurred);
978 for (i = 0; signals[i]; i++) {
979 if (on) {
980 signal(signals[i], terminate_daemon);
981 } else {
982 signal(signals[i], termination_in_progress);
983 }
984 }
985}
986
987
988/**
989 * Exit immediately without cleaning up.
990 * @param sig The signal we are exiting due to.
991 */
992void termination_in_progress(int sig)
993{
994 mr_msg(1, "Termination in progress");
995 usleep(1000);
996 pthread_exit(0);
997}
998
999/* @} - end of cliGroup */
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