source: MondoRescue/trunk/mondo/mondo/mondoarchive/mondo-cli.c@ 489

Last change on this file since 489 was 489, checked in by bcornec, 18 years ago

svn merge -r 463:482 $SVN_M/branches/stable
svn merge -r 485:488 $SVN_M/branches/stable
  • Property svn:keywords set to Id
File size: 27.5 KB
Line 
1/***************************************************************************
2 * $Id: mondo-cli.c 489 2006-04-19 09:02:43Z bcornec $
3 *
4 * Functions for handling command-line arguments passed to mondoarchive.
5 */
6
7/** @def BOOT_LOADER_CHARS The characters allowed for boot loader on this platform. */
8
9#include "../common/my-stuff.h"
10#include "../common/mondostructures.h"
11#include "mondo-cli-EXT.h"
12#include "../common/libmondo.h"
13#ifndef S_SPLINT_S
14#include <pthread.h>
15#endif
16
17//static char cvsid[] = "$Id: mondo-cli.c 489 2006-04-19 09:02:43Z bcornec $";
18
19extern int g_loglevel;
20extern bool g_text_mode;
21extern bool g_skip_floppies; ///< Whether to skip the creation of boot disks
22extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
23extern char g_tmpfs_mountpt[MAX_STR_LEN];
24extern bool g_sigpipe;
25
26/*@ file pointer **************************************************/
27extern FILE *g_tape_stream;
28
29/*@ long long *****************************************************/
30extern long long g_tape_posK;
31
32/*@ long **********************************************************/
33extern long g_noof_sets;
34
35/*@ bool******** **************************************************/
36bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup
37bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup
38extern bool g_cd_recovery;
39
40/**
41 * Whether we're restoring from ISOs. Obviously not, since this is the
42 * backup program.
43 * @note You @b MUST declare this variable somewhere in your program if
44 * you use libmondo. Otherwise the link will fail.
45 * @ingroup globalGroup
46 */
47bool g_ISO_restore_mode = FALSE;
48
49
50extern double g_kernel_version;
51
52extern int g_current_media_number;
53
54
55
56extern pid_t g_main_pid;
57
58
59
60
61extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
62
63
64
65/**
66 * @addtogroup cliGroup
67 * @{
68 */
69/**
70 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
71 * @param argc The argument count, including the program name; @p argc passed to main().
72 * @param argv The argument vector; @p argv passed to main().
73 * @param bkpinfo The backup information structure to populate.
74 * @return The number of problems with the command line (0 for success).
75 */
76int
77handle_incoming_parameters(int argc, char *argv[],
78 struct s_bkpinfo *bkpinfo)
79{
80 /*@ int *** */
81 int res = 0;
82 int retval = 0;
83 int i = 0, j;
84
85 /*@ buffers *************** */
86 char *tmp;
87 char *flag_val[128];
88 bool flag_set[128];
89
90 sensibly_set_tmpdir_and_scratchdir(bkpinfo);
91
92 for (i = 0; i < 128; i++) {
93 flag_val[i] = NULL;
94 flag_set[i] = FALSE;
95 }
96 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
97 bkpinfo->media_size[j] = 650;
98 } /* default */
99 res =
100 retrieve_switches_from_command_line(argc, argv, flag_val,
101 flag_set);
102 log_it("value: %s", flag_val['s']);
103 retval += res;
104 if (!retval) {
105 res = process_switches(bkpinfo, flag_val, flag_set);
106 retval += res;
107 }
108/*
109 if (!retval)
110 {
111*/
112 log_msg(3, "Switches:-");
113 for (i = 0; i < 128; i++) {
114 if (flag_set[i]) {
115 asprintf(&tmp, "-%c %s", i, flag_val[i]);
116 log_msg(3, tmp);
117 paranoid_free(tmp);
118 }
119 }
120// }
121 asprintf(&tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
122 paranoid_system(tmp);
123 paranoid_free(tmp);
124
125 asprintf(&tmp, "rm -Rf %s/mondo.scratch.*", bkpinfo->scratchdir);
126 paranoid_system(tmp);
127 paranoid_free(tmp);
128
129 sprintf(bkpinfo->tmpdir + strlen(bkpinfo->tmpdir), "/tmp.mondo.%ld",
130 random() % 32767);
131 sprintf(bkpinfo->scratchdir + strlen(bkpinfo->scratchdir),
132 "/mondo.scratch.%ld", random() % 32767);
133
134 asprintf(&tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
135 paranoid_system(tmp);
136 paranoid_free(tmp);
137
138 asprintf(&tmp, "mkdir -p %s", bkpinfo->scratchdir);
139 paranoid_system(tmp);
140 paranoid_free(tmp);
141
142 if (bkpinfo->nfs_mount[0] != '\0') {
143 store_nfs_config(bkpinfo);
144 }
145 return (retval);
146}
147
148
149/**
150 * Store the sizespec(s) stored in @p value into @p bkpinfo.
151 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
152 * @param value The sizespec (e.g. "2g", "40m").
153 * @return 0, always.
154 * @bug Return code not needed.
155 */
156int process_the_s_switch(struct s_bkpinfo *bkpinfo, char *value)
157{
158 int j;
159 char *tmp;
160 char *p;
161 char *q;
162 char *comment;
163
164 assert(bkpinfo != NULL);
165 assert(value != NULL);
166
167 bkpinfo->media_size[0] = -1; /* dummy value */
168 for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ',');
169 j++, p = strchr(p, ',') + 1) {
170 asprintf(&tmp, p);
171 q = strchr(tmp, ',');
172 if (q != NULL) {
173 *q = '\0';
174 }
175 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp);
176 paranoid_free(tmp);
177
178 asprintf(&comment, "media_size[%d] = %ld", j,
179 bkpinfo->media_size[j]);
180 log_msg(3, comment);
181 paranoid_free(comment);
182 }
183 for (; j <= MAX_NOOF_MEDIA; j++) {
184 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p);
185 }
186 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
187 if (bkpinfo->media_size[j] <= 0) {
188 log_msg(1, "You gave media #%d an invalid size\n", j);
189 return (-1);
190 }
191 }
192 return (0);
193}
194
195
196/**
197 * Process mondoarchive's command-line switches.
198 * @param bkpinfo The backup information structure to populate.
199 * @param flag_val An array of the argument passed to each switch (the letter is the index).
200 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
201 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
202 * FALSE if it's not.
203 * @return The number of problems with the switches, or 0 for success.
204 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
205 */
206int
207process_switches(struct s_bkpinfo *bkpinfo,
208 char *flag_val[128], bool flag_set[128])
209{
210
211 /*@ ints *** */
212 int i = 0;
213 int retval = 0;
214 int percent = 0;
215
216 /*@ buffers ** */
217 char *tmp;
218 char *tmp2;
219 char *tmp1;
220 char *psz;
221
222 long itbs;
223
224 struct stat buf;
225
226 assert(bkpinfo != NULL);
227 assert(flag_val != NULL);
228 assert(flag_set != NULL);
229
230 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
231
232 /* compulsory */
233 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
234 flag_set['t'] + flag_set['u'] + flag_set['r'] +
235 flag_set['w'] + flag_set['C'];
236 if (i == 0) {
237 retval++;
238 log_to_screen("You must specify the media type\n");
239 }
240 if (i > 1) {
241 retval++;
242 log_to_screen("Please specify only one media type\n");
243 }
244 if (flag_set['K']) {
245 g_loglevel = atoi(flag_val['K']);
246 if (g_loglevel < 3) {
247 g_loglevel = 3;
248 }
249 }
250 if (flag_set['L'] && flag_set['0']) {
251 retval++;
252 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
253 }
254 bkpinfo->backup_data = flag_set['O'];
255 bkpinfo->verify_data = flag_set['V'];
256 if (flag_set['I'] && !bkpinfo->backup_data) {
257 log_to_screen("-I switch is ignored if just verifying");
258 }
259 if (flag_set['E'] && !bkpinfo->backup_data) {
260 log_to_screen("-E switch is ignored if just verifying");
261 }
262
263 if (!find_home_of_exe("afio")) {
264 if (find_home_of_exe("star")) {
265 flag_set['R'] = TRUE;
266 log_msg(1, "Using star instead of afio");
267 } else {
268 fatal_error
269 ("Neither afio nor star is installed. Please install at least one.");
270 }
271 }
272
273 if (flag_set['R']) {
274 bkpinfo->use_star = TRUE;
275 if (flag_set['L']) {
276 fatal_error("You may not use star and lzop at the same time.");
277 }
278 if (!find_home_of_exe("star")) {
279 fatal_error
280 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
281 }
282 }
283 if (flag_set['W']) {
284 bkpinfo->nonbootable_backup = TRUE;
285 log_to_screen("Warning - you have opted for non-bootable backup");
286 if (flag_set['f'] || flag_set['l']) {
287 log_to_screen
288 ("You don't need to specify bootloader or bootdevice");
289 }
290 }
291 if (flag_set['t'] && flag_set['H']) {
292 fatal_error
293 ("Sorry, you may not nuke w/o warning from tape. Drop -H, please.");
294 }
295 if (flag_set['I']) {
296 if (!strcmp(bkpinfo->include_paths, "/")) {
297 log_msg(2, "'/' is pleonastic.");
298 bkpinfo->include_paths[0] = '\0';
299 }
300 if (bkpinfo->include_paths[0]) {
301 strcat(bkpinfo->include_paths, " ");
302 }
303 asprintf(&tmp1, flag_val['I']);
304 char *p = tmp1;
305 char *q = tmp1;
306
307 /* Cut the flag_val['I'] in parts containing all paths to test them */
308 while (p != NULL) {
309 q = strchr(p, ' ');
310 if (q != NULL) {
311 *q = '\0';
312 p = q+1 ;
313 if (stat(p, &buf) != 0) {
314 log_msg(1, "ERROR ! %s doesn't exist", p);
315 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
316 }
317 } else {
318 if (stat(p, &buf) != 0) {
319 log_msg(1, "ERROR ! %s doesn't exist", p);
320 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
321 }
322 p = NULL;
323 }
324 }
325 paranoid_free(tmp1);
326
327 strncpy(bkpinfo->include_paths + strlen(bkpinfo->include_paths),
328 flag_val['I'],
329 MAX_STR_LEN - strlen(bkpinfo->include_paths));
330 log_msg(1, "include_paths is now '%s'", bkpinfo->include_paths);
331 if (bkpinfo->include_paths[0] == '-') {
332 retval++;
333 log_to_screen("Please supply a sensible value with '-I'\n");
334 }
335 }
336
337 if (g_kernel_version >= 2.6 && !flag_set['d']
338 && (flag_set['c'] || flag_set['w'])) {
339 fatal_error
340 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
341 }
342
343
344 if (flag_set['J']) {
345 if (flag_set['I']) {
346 retval++;
347 log_to_screen
348 ("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 muddy the waters by combining -J with -I. Thanks. :-)");
349 }
350 bkpinfo->make_filelist = FALSE;
351 strcpy(bkpinfo->include_paths, flag_val['J']);
352 }
353 if (flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) {
354 if (!flag_set['r'] && g_kernel_version <= 2.5
355 && strstr(flag_val['d'], "/dev/")) {
356 fatal_error
357 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
358 }
359 if (flag_set['r'] && g_kernel_version <= 2.5
360 && !strstr(flag_val['d'], "/dev/")) {
361 fatal_error
362 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
363 }
364 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
365 log_to_screen
366 ("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
367 }
368
369 if (system("which cdrecord > /dev/null 2> /dev/null")
370 && system("which dvdrecord > /dev/null 2> /dev/null")) {
371 fatal_error
372 ("Please install dvdrecord/cdrecord and try again.");
373 }
374 if (flag_set['C']) {
375 bkpinfo->cdrw_speed = atoi(flag_val['C']);
376 if (bkpinfo->cdrw_speed < 1) {
377 fatal_error
378 ("You specified a silly speed for a CD-R[W] drive");
379 }
380 if (!flag_set['L']) {
381 log_to_screen
382 ("You must use -L with -C. Therefore I am setting it for you.");
383 flag_set['L'] = 1;
384 flag_val['L'] = NULL;
385 }
386 } else {
387 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
388 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
389 if (flag_set['c']) {
390 bkpinfo->cdrw_speed = atoi(flag_val['c']);
391 } else if (flag_set['w']) {
392 bkpinfo->cdrw_speed = atoi(flag_val['w']);
393 } else if (flag_set['r']) {
394 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
395 }
396
397 if (bkpinfo->cdrw_speed < 1) {
398 fatal_error
399 ("You specified a silly speed for a CD-R[W] drive");
400 }
401 }
402 }
403 if (flag_set['t'] && !flag_set['d']) {
404 log_it("Hmm! No tape drive specified. Let's see what we can do.");
405 if (find_tape_device_and_size(flag_val['d'], tmp)) {
406 fatal_error
407 ("Tape device not specified. I couldn't find it either.");
408 }
409 flag_set['d'] = TRUE;
410 paranoid_free(tmp); // allocation from find_tape_device_and_size
411
412 asprintf(&tmp,
413 "You didn't specify a tape streamer device. I'm assuming %s",
414 flag_val['d']);
415 log_to_screen(tmp);
416 paranoid_free(tmp);
417 percent = 0;
418 }
419
420 if (flag_set['r']) // DVD
421 {
422 if (flag_set['m']) {
423 fatal_error
424 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
425 }
426 if (!flag_set['d']) {
427 if ((flag_val['d'] = find_dvd_device()) != NULL) {
428 flag_set['d'] = TRUE;
429 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
430 }
431 }
432 if (!find_home_of_exe("growisofs")) {
433 fatal_error
434 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
435 }
436 if (!find_home_of_exe("dvd+rw-format")) {
437 fatal_error
438 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
439 }
440 if (strchr(flag_val['d'], ',')) {
441 fatal_error
442 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
443 }
444 if (!flag_set['s']) {
445 asprintf(&flag_val['s'], "%dm", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
446 log_to_screen
447 ("You did not specify a size (-s) for DVD. I'm guessing %s.",
448 flag_val['s']);
449 flag_set['s'] = 1;
450 }
451 }
452
453 if (flag_set['t'] || flag_set['u']) { /* tape size */
454 if (strchr(flag_val['d'], ',')) {
455 fatal_error
456 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
457 }
458 if (flag_set['O']) {
459 if (flag_set['s']) {
460 if (flag_set['t']) {
461 fatal_error
462 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
463 }
464 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
465 fatal_error("Bad -s switch");
466 }
467 } else if (flag_set['u'] || flag_set['t']) {
468 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
469 bkpinfo->media_size[i] = 0;
470 }
471 } else {
472 retval++;
473 log_to_screen("Tape size not specified.\n");
474 }
475 }
476 } else { /* CD size */
477 if (flag_set['s']) {
478 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
479 fatal_error("Bad -s switch");
480 }
481 }
482 if (flag_set['w']) {
483 bkpinfo->wipe_media_first = TRUE;
484 } /* CD-RW */
485 }
486 if (flag_set['n']) {
487 asprintf(&tmp, flag_val['n']);
488 bkpinfo->nfs_mount = tmp;
489 if (!flag_set['d']) {
490 asprintf(&tmp, "/");
491 bkpinfo->nfs_remote_dir = tmp;
492 }
493 asprintf(&tmp, "mount | grep -x \"%s .*\" | cut -d' ' -f3",
494 bkpinfo->nfs_mount);
495 asprintf(&tmp2, call_program_and_get_last_line_of_output(tmp));
496 bkpinfo->isodir = tmp2;
497 paranoid_free(tmp);
498
499 if (strlen(bkpinfo->isodir) < 3) {
500 retval++;
501 log_to_screen("NFS share is not mounted. Please mount it.\n");
502 }
503 log_msg(3, "mount = %s", bkpinfo->nfs_mount);
504 log_msg(3, "isodir= %s", bkpinfo->isodir);
505 }
506 if (flag_set['c']) {
507 bkpinfo->backup_media_type = cdr;
508 }
509 if (flag_set['C']) {
510 bkpinfo->backup_media_type = cdstream;
511 }
512 if (flag_set['i']) {
513 bkpinfo->backup_media_type = iso;
514 }
515 if (flag_set['n']) {
516 bkpinfo->backup_media_type = nfs;
517 }
518 if (flag_set['r']) {
519 bkpinfo->backup_media_type = dvd;
520 }
521 if (flag_set['t']) {
522 bkpinfo->backup_media_type = tape;
523 }
524 if (flag_set['u']) {
525 bkpinfo->backup_media_type = udev;
526 }
527 if (flag_set['w']) {
528 bkpinfo->backup_media_type = cdrw;
529 }
530
531/* optional, popular */
532 if (flag_set['g']) {
533 g_text_mode = FALSE;
534 }
535 if (flag_set['E']) {
536 if (bkpinfo->exclude_paths[0]) {
537 strcat(bkpinfo->exclude_paths, " ");
538 }
539 asprintf(&tmp1, flag_val['E']);
540 char *p = tmp1;
541 char *q = tmp1;
542
543 /* Cut the flag_val['E'] in parts containing all paths to test them */
544 while (p != NULL) {
545 q = strchr(p, ' ');
546 if (q != NULL) {
547 *q = '\0';
548 p = q+1 ;
549 if (stat(p, &buf) != 0) {
550 log_msg(1, "WARNING ! %s doesn't exist", p);
551 }
552 } else {
553 if (stat(p, &buf) != 0) {
554 log_msg(1, "WARNING ! %s doesn't exist", p);
555 }
556 p = NULL;
557 }
558 }
559 paranoid_free(tmp1);
560
561 strncpy(bkpinfo->exclude_paths + strlen(bkpinfo->exclude_paths),
562 flag_val['E'],
563 MAX_STR_LEN - strlen(bkpinfo->exclude_paths));
564 }
565 if (flag_set['e']) {
566 bkpinfo->please_dont_eject = TRUE;
567 }
568 if (flag_set['N']) // exclude NFS mounts & devices
569 {
570 psz = list_of_NFS_mounts_only();
571 if (bkpinfo->exclude_paths[0]) {
572 strncat(bkpinfo->exclude_paths, " ", MAX_STR_LEN);
573 }
574 strncat(bkpinfo->exclude_paths, psz, MAX_STR_LEN);
575 paranoid_free(psz);
576
577 log_msg(3, "-N means we're now excluding %s",
578 bkpinfo->exclude_paths);
579 }
580 if (strlen(bkpinfo->exclude_paths) >= MAX_STR_LEN) {
581 fatal_error
582 ("Your '-E' parameter is too long. Please use '-J'. (See manual.)");
583 }
584 if (flag_set['b']) {
585 asprintf(&psz, flag_val['b']);
586 log_msg(1, "psz = '%s'", psz);
587 if (psz[strlen(psz) - 1] == 'k') {
588 psz[strlen(psz) - 1] = '\0';
589 itbs = atol(psz) * 1024L;
590 } else {
591 itbs = atol(psz);
592 }
593 paranoid_free(psz);
594
595 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
596 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
597 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
598 fatal_error
599 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
600 }
601 bkpinfo->internal_tape_block_size = itbs;
602 }
603 if (flag_set['D']) {
604 bkpinfo->differential = 1;
605// bkpinfo->differential = atoi (flag_val['D']);
606 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
607 fatal_error
608 ("The D option should be between 1 and 9 inclusive");
609 }
610 }
611 if (flag_set['x']) {
612 asprintf(&tmp, flag_val['x']);
613 bkpinfo->image_devs = tmp;
614 if (run_program_and_log_output("which ntfsclone", 2)) {
615 fatal_error("Please install ntfsprogs package/tarball.");
616 }
617 }
618 if (flag_set['m']) {
619 bkpinfo->manual_cd_tray = TRUE;
620 }
621 if (flag_set['k']) {
622 if (strcasecmp(flag_val['k'], "FAILSAFE")) {
623 asprintf(&tmp, "FAILSAFE");
624 bkpinfo->kernel_path = tmp;
625
626 if (!does_file_exist(bkpinfo->kernel_path)) {
627 retval++;
628 asprintf(&tmp,
629 "You specified kernel '%s', which does not exist\n",
630 bkpinfo->kernel_path);
631 log_to_screen(tmp);
632 paranoid_free(tmp);
633 }
634 } else {
635 asprintf(&tmp, flag_val['k']);
636 bkpinfo->kernel_path = tmp;
637 }
638 }
639 if (flag_set['p']) {
640 asprintf(&tmp, bkpinfo->prefix);
641 bkpinfo->prefix = tmp;
642 }
643
644
645 if (flag_set['d']) { /* backup directory (if ISO/NFS) */
646 if (flag_set['i']) {
647 asprintf(&tmp, flag_val['d']);
648 bkpinfo->isodir = tmp;
649 asprintf(&tmp, "ls -l %s", bkpinfo->isodir);
650 if (run_program_and_log_output(tmp, FALSE)) {
651 fatal_error
652 ("output folder does not exist - please create it");
653 }
654 paranoid_free(tmp);
655 } else if (flag_set['n']) {
656 asprintf(&tmp, flag_val['d']);
657 bkpinfo->nfs_remote_dir = tmp;
658 } else { /* backup device (if tape/CD-R/CD-RW) */
659
660 paranoid_alloc(bkpinfo->media_device, flag_val['d']);
661 }
662 }
663
664 if (flag_set['n']) {
665 asprintf(&tmp, "echo hi > %s/%s/.dummy.txt", bkpinfo->isodir,
666 bkpinfo->nfs_remote_dir);
667 if (run_program_and_log_output(tmp, FALSE)) {
668 retval++;
669 paranoid_free(tmp);
670 asprintf(&tmp,
671 "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n",
672 bkpinfo->nfs_remote_dir, bkpinfo->nfs_mount);
673 log_to_screen(tmp);
674 }
675 paranoid_free(tmp);
676 }
677
678 if (!flag_set['d']
679 && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
680 if (g_kernel_version >= 2.6) {
681 if (popup_and_get_string
682 ("Device", "Please specify the device",
683 bkpinfo->media_device, MAX_STR_LEN / 4)) {
684 retval++;
685 log_to_screen("User opted to cancel.");
686 }
687 } else if ((tmp = find_cdrw_device()) == NULL) {
688 paranoid_free(bkpinfo->media_device);
689 bkpinfo->media_device = tmp;
690 retval++;
691 log_to_screen
692 ("Tried and failed to find CD-R[W] drive automatically.\n");
693 } else {
694 flag_set['d'] = TRUE;
695 asprintf(&flag_val['d'], bkpinfo->media_device);
696 }
697 }
698
699 if (!flag_set['d'] && !flag_set['n'] && !flag_set['C']) {
700 retval++;
701 log_to_screen("Please specify the backup device/directory.\n");
702 fatal_error
703 ("You didn't use -d to specify the backup device/directory.");
704 }
705/* optional, obscure */
706 for (i = '0'; i <= '9'; i++) {
707 if (flag_set[i]) {
708 bkpinfo->compression_level = i - '0';
709 } /* not '\0' but '0' */
710 }
711 if (flag_set['S']) {
712 asprintf(&tmp, "%s/mondo.scratch.%ld", flag_val['S'],
713 random() % 32768);
714 bkpinfo->scratchdir = tmp;
715 }
716 if (flag_set['T']) {
717 asprintf(&tmp, "%s/tmp.mondo.%ld", flag_val['T'],
718 random() % 32768);
719 bkpinfo->tmpdir = tmp;
720 asprintf(&tmp, "touch %s/.foo.dat", flag_val['T']);
721 if (run_program_and_log_output(tmp, 1)) {
722 retval++;
723 log_to_screen
724 ("Please specify a tempdir which I can write to. :)");
725 fatal_error("I cannot write to the tempdir you specified.");
726 }
727 paranoid_free(tmp);
728
729 asprintf(&tmp, "ln -sf %s/.foo.dat %s/.bar.dat", flag_val['T'],
730 flag_val['T']);
731 if (run_program_and_log_output(tmp, 1)) {
732 retval++;
733 log_to_screen
734 ("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
735 fatal_error("I cannot write to the tempdir you specified.");
736 }
737 paranoid_free(tmp);
738 }
739 if (flag_set['A']) {
740 asprintf(&tmp, flag_val['A']);
741 bkpinfo->call_after_iso = tmp;
742 }
743 if (flag_set['B']) {
744 asprintf(&tmp, flag_val['B']);
745 bkpinfo->call_before_iso = tmp;
746 }
747 if (flag_set['F']) {
748 g_skip_floppies = TRUE;
749 }
750 if (flag_set['H']) {
751 g_cd_recovery = TRUE;
752 }
753 if (flag_set['l']) {
754#ifdef __FreeBSD__
755# define BOOT_LOADER_CHARS "GLBMR"
756#else
757# ifdef __IA64__
758# define BOOT_LOADER_CHARS "GER"
759# else
760# define BOOT_LOADER_CHARS "GLR"
761# endif
762#endif
763 if (!strchr
764 (BOOT_LOADER_CHARS,
765 (bkpinfo->boot_loader = flag_val['l'][0]))) {
766 log_msg(1, "%c? WTF is %c? I need G, L, E or R.",
767 bkpinfo->boot_loader, bkpinfo->boot_loader);
768 fatal_error
769 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
770 }
771#undef BOOT_LOADER_CHARS
772 }
773 if (flag_set['f']) {
774 tmp = resolve_softlinks_to_get_to_actual_device_file(flag_val['f']);
775 bkpinfo->boot_device = tmp;
776 }
777 if (flag_set['Q']) {
778 if (tmp == NULL) {
779 printf("-f option required when using -Q\n");
780 finish(-1);
781 }
782 i = which_boot_loader(tmp);
783 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
784 printf("boot loader is %c, residing at %s\n", i, tmp);
785 finish(0);
786 }
787 paranoid_free(tmp);
788
789 if (flag_set['P']) {
790 asprintf(&tmp, flag_val['P']);
791 bkpinfo->postnuke_tarball = tmp;
792 }
793 if (flag_set['L']) {
794 bkpinfo->use_lzo = TRUE;
795 if (run_program_and_log_output("which lzop", FALSE)) {
796 retval++;
797 log_to_screen
798 ("Please install LZOP. You can't use '-L' until you do.\n");
799 }
800 }
801
802 if (!flag_set['o']
803 &&
804 !run_program_and_log_output
805 ("egrep -i suse /etc/issue.net | egrep '9.0' | grep 64", TRUE)) {
806 bkpinfo->make_cd_use_lilo = TRUE;
807 log_to_screen
808 ("Forcing you to use LILO. SuSE 9.0 (64-bit) has a broken mkfs.vfat binary.");
809 }
810 if (flag_set['o']) {
811 bkpinfo->make_cd_use_lilo = TRUE;
812 }
813#ifndef __FreeBSD__
814 else {
815 if (!is_this_a_valid_disk_format("vfat")) {
816 bkpinfo->make_cd_use_lilo = TRUE;
817 log_to_screen
818 ("Your kernel appears not to support vfat filesystems. I am therefore");
819 log_to_screen
820 ("using LILO instead of SYSLINUX as the CD/floppy's boot loader.");
821 }
822 if (run_program_and_log_output("which mkfs.vfat", FALSE)) {
823 bkpinfo->make_cd_use_lilo = TRUE;
824#ifdef __IA32__
825 log_to_screen
826 ("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
827 log_to_screen
828 ("your boot loader. I shall therefore use LILO instead.");
829#endif
830#ifdef __IA64__
831 log_to_screen
832 ("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
833 log_to_screen("environment correctly. Please install it.");
834 fatal_error("Aborting");
835#endif
836 }
837#ifdef __IA64__
838 /* We force ELILO usage on IA64 */
839 bkpinfo->make_cd_use_lilo = TRUE;
840#endif
841 }
842#endif
843
844 if (bkpinfo->make_cd_use_lilo && !does_file_exist("/boot/boot.b")) {
845 paranoid_system("touch /boot/boot.b");
846 }
847
848 i = flag_set['O'] + flag_set['V'];
849 if (i == 0) {
850 retval++;
851 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
852 }
853
854/* and finally... */
855
856 return (retval);
857}
858
859
860
861/**
862 * Get the switches from @p argc and @p argv using getopt() and place them in
863 * @p flag_set and @p flag_val.
864 * @param argc The argument count (@p argc passed to main()).
865 * @param argv The argument vector (@p argv passed to main()).
866 * @param flag_val An array indexed by switch letter - if a switch is set and
867 * has an argument then set flag_val[switch] to that argument.
868 * @param flag_set An array indexed by switch letter - if a switch is set then
869 * set flag_set[switch] to TRUE, else set it to FALSE.
870 * @return The number of problems with the command line (0 for success).
871 */
872int
873retrieve_switches_from_command_line(int argc, char *argv[],
874 char *flag_val[128],
875 bool flag_set[128])
876{
877 /*@ ints ** */
878 int opt = 0;
879 char *tmp;
880 int i = 0;
881 int len;
882
883 /*@ bools *** */
884 bool bad_switches = FALSE;
885
886 assert(flag_val != NULL);
887 assert(flag_set != NULL);
888
889 for (i = 0; i < 128; i++) {
890 flag_val[i] = NULL;
891 flag_set[i] = FALSE;
892 }
893 while ((opt =
894 getopt(argc, argv,
895 "0123456789A:B:C:DE:FHI:J:K:LNOP:QRS:T:VWb:c:d:ef:gik:l:mn:op:rs:tuw:x:"))
896 != -1) {
897 if (opt == '?') {
898 bad_switches = TRUE;
899 /*log_it("Invalid option: %c\n",optopt); */
900 } else {
901 if (flag_set[optopt]) {
902 bad_switches = TRUE;
903 asprintf(&tmp, "Switch -%c previously defined as %s\n", opt,
904 flag_val[i]);
905 log_to_screen(tmp);
906 paranoid_free(tmp);
907 } else {
908 flag_set[opt] = TRUE;
909 if (optarg) {
910 len = strlen(optarg);
911 if (optarg[0] != '/' && optarg[len - 1] == '/') {
912 optarg[--len] = '\0';
913 log_to_screen
914 ("Warning - param '%s' should not have trailing slash!",
915 optarg);
916 }
917 if (opt == 'd') {
918 if (strchr(flag_val[opt], '/')
919 && flag_val[opt][0] != '/') {
920 asprintf(&tmp,
921 "-%c flag --- must be absolute path --- '%s' isn't absolute",
922 opt, flag_val[opt]);
923 log_to_screen(tmp);
924 paranoid_free(tmp);
925 bad_switches = TRUE;
926 }
927 }
928 asprintf(&flag_val[opt], optarg);
929 }
930 }
931 }
932 }
933 for (i = optind; i < argc; i++) {
934 bad_switches = TRUE;
935 asprintf(&tmp, "Invalid arg -- %s\n", argv[i]);
936 log_to_screen(tmp);
937 paranoid_free(tmp);
938 }
939 return (bad_switches);
940}
941
942
943
944
945/**
946 * Print a not-so-helpful help message and exit.
947 */
948void help_screen()
949{
950 log_msg(1, "Type 'man mondo-archive' for more information\n");
951 exit(1);
952}
953
954
955/**
956 * Terminate Mondo in response to a signal.
957 * @param sig The signal number received.
958 */
959void terminate_daemon(int sig)
960{
961 char *tmp;
962 char *tmp2;
963
964 switch (sig) {
965 case SIGINT:
966 asprintf(&tmp, "SIGINT signal received from OS");
967 asprintf(&tmp2, "You interrupted me :-)");
968 break;
969 case SIGKILL:
970 asprintf(&tmp, "SIGKILL signal received from OS");
971 asprintf(&tmp2,
972 "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
973 break;
974 case SIGTERM:
975 asprintf(&tmp, "SIGTERM signal received from OS");
976 asprintf(&tmp2, "Got terminate signal");
977 break;
978 case SIGHUP:
979 asprintf(&tmp, "SIGHUP signal received from OS");
980 asprintf(&tmp2, "Hangup on line");
981 break;
982 case SIGSEGV:
983 asprintf(&tmp, "SIGSEGV signal received from OS");
984 asprintf(&tmp2,
985 "Internal programming error. Please send a backtrace as well as your log.");
986 break;
987 case SIGPIPE:
988 asprintf(&tmp, "SIGPIPE signal received from OS");
989 asprintf(&tmp2, "Pipe was broken");
990 break;
991 case SIGABRT:
992 asprintf(&tmp, "SIGABRT signal received from OS");
993 asprintf(&tmp2,
994 "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
995 break;
996 default:
997 asprintf(&tmp, "(Unknown)");
998 asprintf(&tmp2, "(Unknown)");
999 }
1000
1001 log_to_screen(tmp);
1002 log_to_screen(tmp2);
1003 paranoid_free(tmp);
1004 paranoid_free(tmp2);
1005 if (sig == SIGABRT) {
1006 sleep(10);
1007 }
1008 kill_buffer();
1009 fatal_error
1010 ("Mondoarchive is terminating in response to a signal from the OS");
1011 finish(254); // just in case
1012}
1013
1014
1015/**
1016 * Turn signal-trapping on or off.
1017 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1018 */
1019void set_signals(int on)
1020{
1021 int signals[] =
1022 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1023 int i;
1024
1025 signal(SIGPIPE, sigpipe_occurred);
1026 for (i = 0; signals[i]; i++) {
1027 if (on) {
1028 signal(signals[i], terminate_daemon);
1029 } else {
1030 signal(signals[i], termination_in_progress);
1031 }
1032 }
1033}
1034
1035
1036/**
1037 * Exit immediately without cleaning up.
1038 * @param sig The signal we are exiting due to.
1039 */
1040void termination_in_progress(int sig)
1041{
1042 log_msg(1, "Termination in progress");
1043 usleep(1000);
1044 pthread_exit(0);
1045}
1046
1047/* @} - end of cliGroup */
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