source: MondoRescue/branches/3.0/mondo/src/common/libmondo-cli.c@ 2907

Last change on this file since 2907 was 2907, checked in by Bruno Cornec, 12 years ago
  • Should fix #512 by clearing old scratchdir before changing to a new
  • Property svn:keywords set to Id
File size: 32.4 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 2907 2011-11-29 01:58:39Z 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 <pthread.h>
13#include "my-stuff.h"
14#include "mr_mem.h"
15#include "mr_str.h"
16#include "mondostructures.h"
17#include "libmondo-cli-EXT.h"
18#include "libmondo.h"
19
20extern int g_loglevel;
21extern bool g_text_mode;
22extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
23extern char *MONDO_OPTIONS;
24
25/*@ file pointer **************************************************/
26extern FILE *g_tape_stream;
27
28/*@ long long *****************************************************/
29extern long long g_tape_posK;
30
31/*@ long **********************************************************/
32extern long g_noof_sets;
33
34/*@ bool******** **************************************************/
35bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup
36bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup
37extern bool g_cd_recovery;
38
39extern void setup_tmpdir(char *path);
40void mr_make_devlist_from_pathlist(char *pathlist, char mode);
41extern double g_kernel_version;
42extern int g_current_media_number;
43extern pid_t g_main_pid;
44extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
45
46/* Do we use extended attributes and acl ?
47 * By default no, use -z option to force their usage */
48extern char *g_getfacl;
49extern char *g_getfattr;
50
51/* Reference to global bkpinfo */
52extern struct s_bkpinfo *bkpinfo;
53
54extern void free_MR_global_filenames(void);
55
56/**
57 * @addtogroup cliGroup
58 * @{
59 */
60/**
61 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
62 * @param argc The argument count, including the program name; @p argc passed to main().
63 * @param argv The argument vector; @p argv passed to main().
64 * @param bkpinfo The backup information structure to populate.
65 * @return The number of problems with the command line (0 for success).
66 */
67int
68handle_incoming_parameters(int argc, char *argv[])
69{
70 /*@ int *** */
71 int res = 0;
72 int retval = 0;
73 int i = 0, j;
74
75 /*@ buffers *************** */
76 char *tmp;
77 char flag_val[128][MAX_STR_LEN];
78 bool flag_set[128];
79
80 tmp = malloc(9*MAX_STR_LEN);
81 for (i = 0; i < 128; i++) {
82 flag_val[i][0] = '\0';
83 flag_set[i] = FALSE;
84 }
85 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
86 bkpinfo->media_size[j] = 650;
87 } /* default */
88 res =
89 retrieve_switches_from_command_line(argc, argv, flag_val,
90 flag_set);
91 retval += res;
92 if (!retval) {
93 res = process_switches(flag_val, flag_set);
94 retval += res;
95 }
96/*
97 if (!retval)
98 {
99*/
100 log_msg(3, "Switches:-");
101 for (i = 0; i < 128; i++) {
102 if (flag_set[i]) {
103 sprintf(tmp, "-%c %s", i, flag_val[i]);
104 log_msg(3, tmp);
105 }
106 }
107// }
108 /* Before erasing dirs go into a safe place */
109 chdir("/tmp");
110 sprintf(tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
111 paranoid_system(tmp);
112 sprintf(tmp, "rm -Rf %s/mondo.scratch.*", bkpinfo->scratchdir);
113 paranoid_system(tmp);
114 sprintf(bkpinfo->scratchdir + strlen(bkpinfo->scratchdir),
115 "/mondo.scratch.%ld", random() % 32767);
116 sprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
117 paranoid_system(tmp);
118 sprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
119 paranoid_system(tmp);
120 paranoid_free(tmp);
121 return (retval);
122}
123
124
125
126
127/**
128 * Store the sizespec(s) stored in @p value into @p bkpinfo.
129 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
130 * @param value The sizespec (e.g. "2g", "40m").
131 * @return 0, always.
132 * @bug Return code not needed.
133 */
134int process_the_s_switch(char *value)
135{
136 int j;
137 char tmp[MAX_STR_LEN], *p, comment[MAX_STR_LEN];
138
139 assert(bkpinfo != NULL);
140 assert(value != NULL);
141
142 bkpinfo->media_size[0] = -1; /* dummy value */
143 for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ',');
144 j++, p = strchr(p, ',') + 1) {
145 strncpy(tmp, p, MAX_STR_LEN);
146 *(strchr(tmp, ',')) = '\0';
147 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp);
148 sprintf(comment, "media_size[%d] = %ld", j,
149 bkpinfo->media_size[j]);
150 log_msg(3, comment);
151 }
152 for (; j <= MAX_NOOF_MEDIA; j++) {
153 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p);
154 }
155// bkpinfo->media_size[0] = bkpinfo->media_size[MAX_NOOF_MEDIA];
156 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
157 if (bkpinfo->media_size[j] <= 0) {
158 log_msg(1, "You gave media #%d an invalid size\n", j);
159 return (-1);
160 }
161 }
162 return (0);
163}
164
165/**
166 * Process mondoarchive's command-line switches.
167 * @param bkpinfo The backup information structure to populate.
168 * @param flag_val An array of the argument passed to each switch (the letter is the index).
169 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
170 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
171 * FALSE if it's not.
172 * @return The number of problems with the switches, or 0 for success.
173 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
174 */
175int
176process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
177{
178
179 /*@ ints *** */
180 int i = 0;
181 int retval = 0;
182 int percent = 0;
183 int lastpos = 0;
184
185 /*@ buffers ** */
186 char *tmp = NULL;
187 char *tmp1 = NULL;
188 char *psz = NULL;
189 char *p = NULL;
190 char *q = NULL;
191
192 long itbs = 0L;
193
194 struct stat buf;
195
196 malloc_string(tmp);
197
198 assert(bkpinfo != NULL);
199 assert(flag_val != NULL);
200 assert(flag_set != NULL);
201
202 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
203
204 /* compulsory */
205 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
206 flag_set['t'] + flag_set['u'] + flag_set['r'] +
207 flag_set['w'] + flag_set['C'] + flag_set['U'];
208 if ((i == 0) && (! bkpinfo->restore_data)) {
209 retval++;
210 log_to_screen("You must specify the media type\n");
211 }
212 if (i > 1) {
213 retval++;
214 log_to_screen("Please specify only one media type\n");
215 }
216
217 if (flag_set['K']) {
218 g_loglevel = atoi(flag_val['K']);
219 log_msg(1,"Loglevel forced to %d",g_loglevel);
220 if (g_loglevel < 3) {
221 g_loglevel = 3;
222 }
223 }
224
225 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
226 retval++;
227 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
228 }
229 if (! bkpinfo->restore_data) {
230 bkpinfo->backup_data = flag_set['O'];
231 }
232 bkpinfo->verify_data = flag_set['V'];
233
234 if (flag_set['I'] && !bkpinfo->backup_data) {
235 log_to_screen("-I switch is ignored if just verifying");
236 }
237 if (flag_set['E'] && !bkpinfo->backup_data) {
238 log_to_screen("-E switch is ignored if just verifying");
239 }
240
241 if (!find_home_of_exe("afio")) {
242 if (find_home_of_exe("star")) {
243 flag_set['R'] = TRUE;
244 log_msg(1, "Using star instead of afio");
245 } else {
246 fatal_error
247 ("Neither afio nor star is installed. Please install at least one.");
248 }
249 }
250
251 if (flag_set['R']) {
252 bkpinfo->use_star = TRUE;
253 if (flag_set['L']) {
254 fatal_error("You may not use star and lzop at the same time.");
255 }
256 if (!find_home_of_exe("star")) {
257 fatal_error
258 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
259 }
260 }
261
262 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
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
271 if (flag_set['I']) {
272 if (bkpinfo->include_paths[0] == '-') {
273 retval++;
274 log_to_screen("Please supply a sensible value with '-I'\n");
275 }
276 if (!strcmp(bkpinfo->include_paths, "/")) {
277 log_msg(2, "'/' is pleonastic.");
278 bkpinfo->include_paths[0] = '\0';
279 }
280 if (bkpinfo->include_paths[0]) {
281 strcat(bkpinfo->include_paths, "|");
282 }
283
284 mr_asprintf(&tmp1, "%s", flag_val['I']);
285 p = tmp1;
286 q = tmp1;
287
288 /* Cut the flag_val['I'] in parts containing all paths to test them */
289 while (p != NULL) {
290 q = strchr(p, '|');
291 if (q != NULL) {
292 *q = '\0';
293 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
294 log_msg(1, "ERROR ! %s doesn't exist", p);
295 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
296 }
297 p = q+1 ;
298 } else {
299 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
300 log_msg(1, "ERROR ! %s doesn't exist", p);
301 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
302 }
303 p = NULL;
304 }
305 }
306 paranoid_free(tmp1);
307 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
308 log_msg(4, "Finished with the -I option");
309 }
310
311 if (g_kernel_version >= 2.6 && !flag_set['d']
312 && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
313 fatal_error
314 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
315 }
316
317
318 if (flag_set['J']) {
319 if (flag_set['I']) {
320 retval++;
321 log_to_screen
322 ("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. :-)");
323 }
324 bkpinfo->make_filelist = FALSE;
325 strcpy(bkpinfo->include_paths, flag_val['J']);
326 }
327
328 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
329 if (!flag_set['r'] && g_kernel_version <= 2.5
330 && strstr(flag_val['d'], "/dev/")) {
331 fatal_error
332 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
333 }
334 if (flag_set['r'] && g_kernel_version <= 2.5
335 && !strstr(flag_val['d'], "/dev/")) {
336 fatal_error
337 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
338 }
339 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
340 log_to_screen
341 ("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
342 }
343
344 if (system("which cdrecord > /dev/null 2> /dev/null")
345 && system("which dvdrecord > /dev/null 2> /dev/null")) {
346 fatal_error
347 ("Please install dvdrecord/cdrecord and try again.");
348 }
349 if (flag_set['C']) {
350 bkpinfo->cdrw_speed = atoi(flag_val['C']);
351 if (bkpinfo->cdrw_speed < 1) {
352 fatal_error
353 ("You specified a silly speed for a CD-R[W] drive");
354 }
355 if (!flag_set['L']) {
356 log_to_screen
357 ("You must use -L with -C. Therefore I am setting it for you.");
358 flag_set['L'] = 1;
359 flag_val['L'][0] = '\0';
360 }
361 } else {
362 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
363 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
364// log_msg(3, "flag_set['r'] = %i", flag_set['r'] );
365 if (flag_set['c']) {
366 bkpinfo->cdrw_speed = atoi(flag_val['c']);
367 } else if (flag_set['w']) {
368 bkpinfo->cdrw_speed = atoi(flag_val['w']);
369 } else if (flag_set['r']) {
370 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
371 }
372
373 if (bkpinfo->cdrw_speed < 1) {
374 fatal_error
375 ("You specified a silly speed for a CD-R[W] drive");
376 }
377 }
378 }
379
380 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
381 log_it("Hmm! No tape drive specified. Let's see what we can do.");
382 if (find_tape_device_and_size(flag_val['d'], tmp)) {
383 fatal_error
384 ("Tape device not specified. I couldn't find it either.");
385 }
386 flag_set['d'] = TRUE;
387 sprintf(tmp,
388 "You didn't specify a tape streamer device. I'm assuming %s",
389 flag_val['d']);
390 log_to_screen(tmp);
391 percent = 0;
392 }
393
394 if (flag_set['U']) // USB
395 {
396 if (! flag_set['d']) {
397 fatal_error
398 ("You need to specify a device file with -d for bootable USB device usage");
399 }
400 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
401 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
402 }
403 }
404
405 if (flag_set['r']) // DVD
406 {
407 if (flag_set['m']) {
408 fatal_error
409 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
410 }
411 if (!flag_set['d']) {
412 if (!find_dvd_device(flag_val['d'], FALSE)) {
413 flag_set['d'] = TRUE;
414 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
415 }
416 }
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 (! bkpinfo->restore_data) {
422 if (!find_home_of_exe("growisofs")) {
423 fatal_error
424 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
425 }
426 if (!find_home_of_exe("dvd+rw-format")) {
427 fatal_error
428 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
429 }
430 if (!flag_set['s']) {
431 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
432 strcat(flag_val['s'], "m");
433 log_to_screen
434 ("You did not specify a size (-s) for DVD. I'm guessing %s.",
435 flag_val['s']);
436 flag_set['s'] = 1;
437 }
438 }
439/*
440 if (flag_set['Z']) {
441 bkpinfo->blank_dvd_first = TRUE;
442 }
443*/
444 }
445
446 if (flag_set['t'] || flag_set['u']) { /* tape size */
447 if (strchr(flag_val['d'], ',')) {
448 fatal_error
449 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
450 }
451 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
452 if (flag_set['s']) {
453 if (flag_set['t']) {
454 fatal_error
455 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
456 }
457 if (process_the_s_switch(flag_val['s'])) {
458 fatal_error("Bad -s switch");
459 }
460 } else if (flag_set['u'] || flag_set['t']) {
461 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
462 bkpinfo->media_size[i] = 0;
463 }
464 } else {
465 retval++;
466 log_to_screen("Tape size not specified.\n");
467 }
468 }
469 } else if (! bkpinfo->restore_data) { /* CD|USB size */
470 if (flag_set['s']) {
471 if (process_the_s_switch(flag_val['s'])) {
472 fatal_error("Bad -s switch");
473 }
474 }
475 if (flag_set['w']) {
476 bkpinfo->wipe_media_first = TRUE;
477 } /* CD-RW */
478 }
479
480 if (flag_set['n']) {
481 strncpy(bkpinfo->netfs_mount, flag_val['n'], MAX_STR_LEN);
482 if (!flag_set['d']) {
483 strncpy(bkpinfo->netfs_remote_dir, "/", MAX_STR_LEN);
484 }
485 /* test for protocol */
486 p = strstr(bkpinfo->netfs_mount, "://");
487 if (p == NULL) {
488 /* protocol not found assuming NFS for compatibility */
489 mr_asprintf(&q,"nfs");
490
491 p = strchr(bkpinfo->netfs_mount, ':');
492 if (p == NULL) {
493 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
494 }
495 /* p points on to the string server:/path */
496 p = bkpinfo->netfs_mount;
497
498 } else {
499 /* Isolate the protocol */
500 *p = '\0';
501 mr_asprintf(&q,"%s",bkpinfo->netfs_mount);
502
503 /* Skip proto now */
504 p++;
505 p++;
506 p++;
507 }
508 /* whatever done before proto is pointed to by q */
509 bkpinfo->netfs_proto = q;
510
511 /* p points on to the string server:/path */
512 /* Store the 2 values */
513 strcpy(bkpinfo->netfs_mount,p);
514
515 /* test if we specified a user */
516 p = strchr(bkpinfo->netfs_mount, '@');
517 if (p != NULL) {
518 /* User found. Store the 2 values */
519 p++;
520 /* new netfs mount */
521 strcpy(tmp,p);
522 p--;
523 *p = '\0';
524 mr_asprintf(&q,"%s",bkpinfo->netfs_mount);
525 bkpinfo->netfs_user = q;
526 strcpy(bkpinfo->netfs_mount,tmp);
527 }
528 sprintf(tmp, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user,
529 bkpinfo->netfs_mount);
530 strncpy(bkpinfo->isodir,
531 call_program_and_get_last_line_of_output(tmp),
532 MAX_STR_LEN / 4);
533 if (strlen(bkpinfo->isodir) < 3) {
534 log_to_screen("Network share is not mounted. Trying to mount it for you.\n");
535 if (bkpinfo->netfs_user) {
536 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
537 sprintf(tmp, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
538 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
539 sprintf(tmp, "mount %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
540 } else {
541 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
542 fatal_error("Bad Protocol\n");
543 }
544 } else {
545 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
546 sprintf(tmp, "sshfs %s", bkpinfo->netfs_mount);
547 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
548 sprintf(tmp, "mount %s", bkpinfo->netfs_mount);
549 } else {
550 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
551 fatal_error("Bad Protocol\n");
552 }
553 }
554 if (system(tmp)) {
555 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
556 retval++;
557 } else {
558 if (bkpinfo->netfs_user) {
559 sprintf(tmp, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user,
560 bkpinfo->netfs_mount);
561 } else {
562 sprintf(tmp, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
563 }
564 strncpy(bkpinfo->isodir,
565 call_program_and_get_last_line_of_output(tmp),
566 MAX_STR_LEN / 4);
567 if (strlen(bkpinfo->isodir) < 3) {
568 retval++;
569 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
570 }
571 }
572 }
573 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
574 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
575 if (bkpinfo->netfs_user) {
576 log_msg(3, "user = %s", bkpinfo->netfs_user);
577 }
578 log_msg(3, "isodir= %s", bkpinfo->isodir);
579 }
580
581 if (flag_set['c']) {
582 bkpinfo->backup_media_type = cdr;
583 }
584 if (flag_set['C']) {
585 bkpinfo->backup_media_type = cdstream;
586 }
587 if (flag_set['i']) {
588 bkpinfo->backup_media_type = iso;
589 }
590 if (flag_set['n']) {
591 bkpinfo->backup_media_type = netfs;
592 /* Never try to eject a Network device */
593 bkpinfo->please_dont_eject = TRUE;
594 }
595 if (flag_set['r']) {
596 bkpinfo->backup_media_type = dvd;
597 }
598 if (flag_set['t']) {
599 bkpinfo->backup_media_type = tape;
600 }
601 if (flag_set['u']) {
602 bkpinfo->backup_media_type = udev;
603 }
604 if (flag_set['w']) {
605 bkpinfo->backup_media_type = cdrw;
606 }
607 if (flag_set['U']) {
608 bkpinfo->backup_media_type = usb;
609 /* Never try to eject a USB device */
610 bkpinfo->please_dont_eject = TRUE;
611 }
612 if (flag_set['z']) {
613 if (find_home_of_exe("getfattr")) {
614 mr_asprintf(&g_getfattr,"getfattr");
615 }
616 if (find_home_of_exe("getfacl")) {
617 mr_asprintf(&g_getfacl,"getfacl");
618 }
619 }
620
621 /* optional, popular */
622 if (flag_set['g']) {
623 g_text_mode = FALSE;
624 }
625
626 if (flag_set['E']) {
627 if (bkpinfo->exclude_paths && (bkpinfo->exclude_paths[0] == '-')) {
628 retval++;
629 log_to_screen("Please supply a sensible value with '-E'\n");
630 }
631 mr_asprintf(&tmp1, "%s", flag_val['E']);
632
633 p = tmp1;
634 q = tmp1;
635
636 /* Cut the flag_val['E'] in parts containing all paths to test them */
637 while (p != NULL) {
638 q = strchr(p, '|');
639 if (q != NULL) {
640 *q = '\0';
641 /* Fix bug 14 where ending / cause a problem later
642 * so handled here for the moment */
643 q--;
644 if (*q == '/') {
645 *q = '\0';
646 }
647 q++;
648 /* End of bug fix */
649 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
650 log_msg(1, "WARNING ! %s doesn't exist", p);
651 }
652 p = q+1 ;
653 } else {
654 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
655 log_msg(1, "WARNING ! %s doesn't exist", p);
656 }
657 p = NULL;
658 }
659 }
660 paranoid_free(tmp1);
661 lastpos = 0;
662
663 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
664 log_msg(4, "Finished with the -E option");
665 }
666
667 if (flag_set['e']) {
668 bkpinfo->please_dont_eject = TRUE;
669 }
670
671 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
672 {
673 psz = list_of_NETFS_mounts_only();
674 log_msg(5, "-N means we'll exclude %s", psz);
675 if (bkpinfo->exclude_paths) {
676 mr_strcat(bkpinfo->exclude_paths, "|%s", psz);
677 mr_free(psz);
678 } else {
679 bkpinfo->exclude_paths = psz;
680 }
681
682 if (bkpinfo->exclude_paths != NULL) {
683 log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths);
684 }
685 }
686
687 if (flag_set['b']) {
688 mr_asprintf(&psz, "%s", flag_val['b']);
689 log_msg(1, "psz = '%s'", psz);
690 if (psz[strlen(psz) - 1] == 'k') {
691 psz[strlen(psz) - 1] = '\0';
692 itbs = atol(psz) * 1024L;
693 } else {
694 itbs = atol(psz);
695 }
696 mr_free(psz);
697 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
698 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
699 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
700 fatal_error
701 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
702 }
703 bkpinfo->internal_tape_block_size = itbs;
704 }
705
706 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
707 bkpinfo->differential = 1;
708// bkpinfo->differential = atoi (flag_val['D']);
709 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
710 fatal_error
711 ("The D option should be between 1 and 9 inclusive");
712 }
713 }
714
715 if (flag_set['x']) {
716 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
717 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
718 fatal_error("Please install ntfsprogs package/tarball.");
719 }
720 }
721
722 if (flag_set['m']) {
723 bkpinfo->manual_cd_tray = TRUE;
724 }
725
726 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
727 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
728 if (!strcmp(bkpinfo->kernel_path, "failsafe")) {
729 strcpy(bkpinfo->kernel_path, "FAILSAFE");
730 }
731 if (strcmp(bkpinfo->kernel_path, "FAILSAFE")
732 && !does_file_exist(bkpinfo->kernel_path)) {
733 retval++;
734 sprintf(tmp,
735 "You specified kernel '%s', which does not exist\n",
736 bkpinfo->kernel_path);
737 log_to_screen(tmp);
738 }
739 }
740
741 if (flag_set['p']) {
742 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
743 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
744 }
745
746 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
747 if (flag_set['i']) {
748 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
749 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
750 if (run_program_and_log_output(tmp, 2)) {
751 fatal_error
752 ("output folder does not exist - please create it");
753 }
754 } else if (flag_set['n']) {
755 strncpy(bkpinfo->netfs_remote_dir, flag_val['d'], MAX_STR_LEN);
756 } else { /* backup device (if tape/CD-R/CD-RW) */
757 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
758 }
759 }
760
761 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
762 mr_asprintf(&tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
763 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
764 sprintf(tmp, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
765 } else {
766 sprintf(tmp, "echo hi > %s", tmp1);
767 }
768 if (run_program_and_log_output(tmp, 2)) {
769 retval++;
770 sprintf(tmp,
771 "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n",
772 bkpinfo->netfs_remote_dir, bkpinfo->netfs_mount);
773 log_to_screen(tmp);
774 }
775 unlink(tmp1);
776 paranoid_free(tmp1);
777 }
778
779 if (!flag_set['d']
780 && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
781 if (g_kernel_version >= 2.6) {
782 if (popup_and_get_string
783 ("Device", "Please specify the device",
784 bkpinfo->media_device, MAX_STR_LEN / 4)) {
785 retval++;
786 log_to_screen("User opted to cancel.");
787 }
788 } else if (find_cdrw_device(bkpinfo->media_device)) {
789 retval++;
790 log_to_screen
791 ("Tried and failed to find CD-R[W] drive automatically.\n");
792 } else {
793 flag_set['d'] = TRUE;
794 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
795 }
796 }
797
798 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
799 retval++;
800 log_to_screen("Please specify the backup device/directory.\n");
801 fatal_error
802 ("You didn't use -d to specify the backup device/directory.");
803 }
804
805 for (i = '0'; i <= '9'; i++) {
806 if (flag_set[i]) {
807 bkpinfo->compression_level = i - '0';
808 } /* not '\0' but '0' */
809 }
810
811 if (flag_set['S']) {
812 /* Before changing remove old ones if any */
813 if (bkpinfo->scratchdir) {
814 chdir("/tmp");
815 mr_asprintf(&tmp, "rm -Rf %s", bkpinfo->scratchdir);
816 paranoid_system(tmp);
817 mr_free(tmp);
818 }
819 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'],
820 random() % 32768);
821 }
822
823 if (flag_set['T']) {
824 setup_tmpdir(flag_val['T']);
825 sprintf(tmp, "touch %s/.foo.dat", bkpinfo->tmpdir);
826 if (run_program_and_log_output(tmp, 1)) {
827 retval++;
828 log_to_screen
829 ("Please specify a tempdir which I can write to. :)");
830 fatal_error("I cannot write to the tempdir you specified.");
831 }
832 sprintf(tmp, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
833 if (run_program_and_log_output(tmp, 1)) {
834 retval++;
835 log_to_screen
836 ("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
837 fatal_error("I cannot write to the tempdir you specified.");
838 }
839 }
840
841 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
842 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
843 }
844
845 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
846 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
847 }
848
849 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
850 g_cd_recovery = TRUE;
851 }
852
853 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
854#ifdef __FreeBSD__
855# define BOOT_LOADER_CHARS "GLBMR"
856#else
857# ifdef __IA64__
858# define BOOT_LOADER_CHARS "GER"
859# else
860# define BOOT_LOADER_CHARS "GLR"
861# endif
862#endif
863 if (!strchr
864 (BOOT_LOADER_CHARS,
865 (bkpinfo->boot_loader = flag_val['l'][0]))) {
866 log_msg(1, "%c? WTF is %c? I need G, L, E or R.",
867 bkpinfo->boot_loader, bkpinfo->boot_loader);
868 fatal_error
869 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
870 }
871#undef BOOT_LOADER_CHARS
872 }
873
874 if (flag_set['f']) {
875 strncpy(bkpinfo->boot_device,
876 resolve_softlinks_to_get_to_actual_device_file(flag_val
877 ['f']),
878 MAX_STR_LEN / 4);
879 }
880
881 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
882 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
883 }
884
885 if (flag_set['Q']) {
886 i = which_boot_loader(tmp);
887 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
888 printf("boot loader is %c, residing at %s\n", i, tmp);
889 finish(0);
890 }
891
892 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
893 bkpinfo->use_lzo = TRUE;
894 if (run_program_and_log_output("which lzop", 2)) {
895 retval++;
896 log_to_screen
897 ("Please install LZOP. You can't use '-L' until you do.\n");
898 }
899 }
900
901 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
902 bkpinfo->use_gzip = TRUE;
903 if (run_program_and_log_output("which gzip", 2)) {
904 retval++;
905 log_to_screen
906 ("Please install gzip. You can't use '-G' until you do.\n");
907 }
908 }
909
910 bkpinfo->use_obdr = FALSE;
911 if (flag_set['o']) {
912 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
913 log_to_screen("OBDR support is only available for tapes. Use the -t option");
914 fatal_error("Aborting");
915 }
916 bkpinfo->use_obdr = TRUE;
917 }
918
919#ifndef __FreeBSD__
920 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
921 bkpinfo->make_cd_use_lilo = TRUE;
922 log_to_screen
923 ("Your kernel appears not to support vfat filesystems. I am therefore");
924 log_to_screen
925 ("using LILO instead of SYSLINUX as the media boot loader.");
926 }
927 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
928 bkpinfo->make_cd_use_lilo = TRUE;
929#ifdef __IA32__
930 log_to_screen
931 ("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
932 log_to_screen
933 ("your boot loader. I shall therefore use LILO instead.");
934#endif
935#ifdef __IA64__
936 log_to_screen
937 ("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
938 log_to_screen("environment correctly. Please install it.");
939 fatal_error("Aborting");
940#endif
941 }
942#ifdef __IA64__
943 /* We force ELILO usage on IA64 */
944 bkpinfo->make_cd_use_lilo = TRUE;
945#endif
946#endif
947
948 if (! bkpinfo->restore_data) {
949 i = flag_set['O'] + flag_set['V'];
950 if (i == 0) {
951 retval++;
952 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
953 }
954 }
955
956 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
957 fatal_error
958 ("The -Z switch is only valid in restore mode");
959 }
960
961 if (flag_set['Z']) {
962 if (! strcmp(flag_val['Z'], "nuke")) {
963 bkpinfo->restore_mode = nuke;
964 } else if (! strcmp(flag_val['Z'], "interactive")) {
965 bkpinfo->restore_mode = interactive;
966 } else if (! strcmp(flag_val['Z'], "compare")) {
967 bkpinfo->restore_mode = compare;
968 } else if (! strcmp(flag_val['Z'], "mbr")) {
969 bkpinfo->restore_mode = mbr;
970 } else if (! strcmp(flag_val['Z'], "iso")) {
971 bkpinfo->restore_mode = isoonly;
972 } else if (! strcmp(flag_val['Z'], "isonuke")) {
973 bkpinfo->restore_mode = isonuke;
974 } else {
975 bkpinfo->restore_mode = interactive;
976 }
977 }
978
979/* and finally... */
980
981 paranoid_free(tmp);
982 return (retval);
983}
984
985
986
987/**
988 * Get the switches from @p argc and @p argv using getopt() and place them in
989 * @p flag_set and @p flag_val.
990 * @param argc The argument count (@p argc passed to main()).
991 * @param argv The argument vector (@p argv passed to main()).
992 * @param flag_val An array indexed by switch letter - if a switch is set and
993 * has an argument then set flag_val[switch] to that argument.
994 * @param flag_set An array indexed by switch letter - if a switch is set then
995 * set flag_set[switch] to TRUE, else set it to FALSE.
996 * @return The number of problems with the command line (0 for success).
997 */
998int
999retrieve_switches_from_command_line(int argc, char *argv[],
1000 char flag_val[128][MAX_STR_LEN],
1001 bool flag_set[128])
1002{
1003 /*@ ints ** */
1004 int opt = 0;
1005 char *tmp = NULL;
1006 int i = 0;
1007 int len;
1008
1009 /*@ bools *** */
1010 bool bad_switches = FALSE;
1011
1012 assert(flag_val != NULL);
1013 assert(flag_set != NULL);
1014
1015 for (i = 0; i < 128; i++) {
1016 flag_val[i][0] = '\0';
1017 flag_set[i] = FALSE;
1018 }
1019 while ((opt =
1020 getopt(argc, argv, MONDO_OPTIONS))
1021 != -1) {
1022 if (opt == '?') {
1023 bad_switches = TRUE;
1024 /*log_it("Invalid option: %c\n",optopt); */
1025 } else {
1026 if (flag_set[opt]) {
1027 bad_switches = TRUE;
1028 mr_asprintf(&tmp, "Switch -%c previously defined as %s\n", opt, flag_val[opt]);
1029 log_to_screen(tmp);
1030 paranoid_free(tmp);
1031 } else {
1032 flag_set[opt] = TRUE;
1033 if (optarg) {
1034 len = strlen(optarg);
1035 if (optarg[0] != '/' && optarg[len - 1] == '/') {
1036 optarg[--len] = '\0';
1037 log_to_screen
1038 ("Warning - param '%s' should not have trailing slash!",
1039 optarg);
1040 }
1041 if (opt == 'd') {
1042 if (strchr(flag_val[opt], '/')
1043 && flag_val[opt][0] != '/') {
1044 mr_asprintf(&tmp, "-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
1045 log_to_screen(tmp);
1046 paranoid_free(tmp);
1047 bad_switches = TRUE;
1048 }
1049 }
1050 strcpy(flag_val[opt], optarg);
1051 }
1052 }
1053 }
1054 }
1055 for (i = optind; i < argc; i++) {
1056 bad_switches = TRUE;
1057 mr_asprintf(&tmp, "Invalid arg -- %s\n", argv[i]);
1058 log_to_screen(tmp);
1059 paranoid_free(tmp);
1060 }
1061 return (bad_switches);
1062}
1063
1064
1065
1066
1067/**
1068 * Print a not-so-helpful help message and exit.
1069 */
1070void help_screen()
1071{
1072 log_msg(1, "Type 'man mondoarchive' for more information\n");
1073 exit(1);
1074}
1075
1076
1077/**
1078 * Terminate Mondo in response to a signal.
1079 * @param sig The signal number received.
1080 */
1081void terminate_daemon(int sig)
1082{
1083 char *tmp = NULL;
1084 char *tmp2 = NULL;
1085
1086 switch (sig) {
1087 case SIGINT:
1088 mr_asprintf(&tmp, "SIGINT");
1089 mr_asprintf(&tmp2, "You interrupted me :-)");
1090 break;
1091 case SIGKILL:
1092 mr_asprintf(&tmp, "SIGKILL");
1093 mr_asprintf(&tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1094 break;
1095 case SIGTERM:
1096 mr_asprintf(&tmp, "SIGTERM");
1097 mr_asprintf(&tmp2, "Got terminate signal");
1098 break;
1099 case SIGHUP:
1100 mr_asprintf(&tmp, "SIGHUP");
1101 mr_asprintf(&tmp2, "Hangup on line");
1102 break;
1103 case SIGSEGV:
1104 mr_asprintf(&tmp, "SIGSEGV");
1105 mr_asprintf(&tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1106 break;
1107 case SIGPIPE:
1108 mr_asprintf(&tmp, "SIGPIPE");
1109 mr_asprintf(&tmp2, "Pipe was broken");
1110 break;
1111 case SIGABRT:
1112 mr_asprintf(&tmp, "SIGABRT");
1113 mr_asprintf(&tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1114 break;
1115 default:
1116 mr_asprintf(&tmp, "(Unknown)");
1117 mr_asprintf(&tmp2, "(Unknown)");
1118 }
1119
1120 mr_strcat(tmp, " signal received from OS");
1121 log_to_screen(tmp);
1122 paranoid_free(tmp);
1123
1124 log_to_screen(tmp2);
1125 paranoid_free(tmp2);
1126 if (sig == SIGABRT) {
1127 sleep(10);
1128 }
1129 kill_buffer();
1130
1131 free_MR_global_filenames();
1132
1133 fatal_error
1134 ("MondoRescue is terminating in response to a signal from the OS");
1135 finish(254); // just in case
1136}
1137
1138
1139
1140
1141/**
1142 * Turn signal-trapping on or off.
1143 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1144 */
1145void set_signals(int on)
1146{
1147 int signals[] =
1148 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1149 int i;
1150
1151 signal(SIGPIPE, sigpipe_occurred);
1152 for (i = 0; signals[i]; i++) {
1153 if (on) {
1154 signal(signals[i], terminate_daemon);
1155 } else {
1156 signal(signals[i], termination_in_progress);
1157 }
1158 }
1159}
1160
1161
1162
1163
1164/**
1165 * Exit immediately without cleaning up.
1166 * @param sig The signal we are exiting due to.
1167 */
1168void termination_in_progress(int sig)
1169{
1170 log_msg(1, "Termination in progress");
1171 usleep(1000);
1172 pthread_exit(0);
1173}
1174
1175/* @} - end of cliGroup */
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