source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-cli.c@ 2435

Last change on this file since 2435 was 2435, checked in by Bruno Cornec, 15 years ago

Improve user management for NetFS cases
  • Property svn:keywords set to Id
File size: 31.5 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 2435 2009-09-28 15:55:26Z 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 --acl & --attr options 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 sprintf(tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
109 paranoid_system(tmp);
110 sprintf(tmp, "rm -Rf %s/mondo.scratch.*", bkpinfo->scratchdir);
111 paranoid_system(tmp);
112 sprintf(bkpinfo->scratchdir + strlen(bkpinfo->scratchdir),
113 "/mondo.scratch.%ld", random() % 32767);
114 sprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
115 paranoid_system(tmp);
116 sprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
117 paranoid_system(tmp);
118 paranoid_free(tmp);
119 return (retval);
120}
121
122
123
124
125/**
126 * Store the sizespec(s) stored in @p value into @p bkpinfo.
127 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
128 * @param value The sizespec (e.g. "2g", "40m").
129 * @return 0, always.
130 * @bug Return code not needed.
131 */
132int process_the_s_switch(char *value)
133{
134 int j;
135 char tmp[MAX_STR_LEN], *p, comment[MAX_STR_LEN];
136
137 assert(bkpinfo != NULL);
138 assert(value != NULL);
139
140 bkpinfo->media_size[0] = -1; /* dummy value */
141 for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ',');
142 j++, p = strchr(p, ',') + 1) {
143 strncpy(tmp, p, MAX_STR_LEN);
144 *(strchr(tmp, ',')) = '\0';
145 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp);
146 sprintf(comment, "media_size[%d] = %ld", j,
147 bkpinfo->media_size[j]);
148 log_msg(3, comment);
149 }
150 for (; j <= MAX_NOOF_MEDIA; j++) {
151 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p);
152 }
153// bkpinfo->media_size[0] = bkpinfo->media_size[MAX_NOOF_MEDIA];
154 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
155 if (bkpinfo->media_size[j] <= 0) {
156 log_msg(1, "You gave media #%d an invalid size\n", j);
157 return (-1);
158 }
159 }
160 return (0);
161}
162
163/**
164 * Process mondoarchive's command-line switches.
165 * @param bkpinfo The backup information structure to populate.
166 * @param flag_val An array of the argument passed to each switch (the letter is the index).
167 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
168 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
169 * FALSE if it's not.
170 * @return The number of problems with the switches, or 0 for success.
171 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
172 */
173int
174process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
175{
176
177 /*@ ints *** */
178 int i = 0;
179 int retval = 0;
180 int percent = 0;
181 int lastpos = 0;
182
183 /*@ buffers ** */
184 char *tmp = NULL;
185 char *tmp1 = NULL;
186 char *psz = NULL;
187 char *p = NULL;
188 char *q = NULL;
189
190 long itbs = 0L;
191
192 struct stat buf;
193
194 malloc_string(tmp);
195
196 assert(bkpinfo != NULL);
197 assert(flag_val != NULL);
198 assert(flag_set != NULL);
199
200 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
201
202 /* compulsory */
203 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
204 flag_set['t'] + flag_set['u'] + flag_set['r'] +
205 flag_set['w'] + flag_set['C'] + flag_set['U'];
206 if ((i == 0) && (! bkpinfo->restore_data)) {
207 retval++;
208 log_to_screen("You must specify the media type\n");
209 }
210 if (i > 1) {
211 retval++;
212 log_to_screen("Please specify only one media type\n");
213 }
214
215 if (flag_set['K']) {
216 g_loglevel = atoi(flag_val['K']);
217 log_msg(1,"Loglevel forced to %d",g_loglevel);
218 if (g_loglevel < 3) {
219 g_loglevel = 3;
220 }
221 }
222
223 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
224 retval++;
225 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
226 }
227 if (! bkpinfo->restore_data) {
228 bkpinfo->backup_data = flag_set['O'];
229 }
230 bkpinfo->verify_data = flag_set['V'];
231
232 if (flag_set['I'] && !bkpinfo->backup_data) {
233 log_to_screen("-I switch is ignored if just verifying");
234 }
235 if (flag_set['E'] && !bkpinfo->backup_data) {
236 log_to_screen("-E switch is ignored if just verifying");
237 }
238
239 if (!find_home_of_exe("afio")) {
240 if (find_home_of_exe("star")) {
241 flag_set['R'] = TRUE;
242 log_msg(1, "Using star instead of afio");
243 } else {
244 fatal_error
245 ("Neither afio nor star is installed. Please install at least one.");
246 }
247 }
248
249 if (flag_set['R']) {
250 bkpinfo->use_star = TRUE;
251 if (flag_set['L']) {
252 fatal_error("You may not use star and lzop at the same time.");
253 }
254 if (!find_home_of_exe("star")) {
255 fatal_error
256 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
257 }
258 }
259
260 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
261 bkpinfo->nonbootable_backup = TRUE;
262 log_to_screen("Warning - you have opted for non-bootable backup");
263 if (flag_set['f'] || flag_set['l']) {
264 log_to_screen
265 ("You don't need to specify bootloader or bootdevice");
266 }
267 }
268
269 if (flag_set['I']) {
270 if (bkpinfo->include_paths[0] == '-') {
271 retval++;
272 log_to_screen("Please supply a sensible value with '-I'\n");
273 }
274 if (!strcmp(bkpinfo->include_paths, "/")) {
275 log_msg(2, "'/' is pleonastic.");
276 bkpinfo->include_paths[0] = '\0';
277 }
278 if (bkpinfo->include_paths[0]) {
279 strcat(bkpinfo->include_paths, " ");
280 }
281
282 mr_asprintf(&tmp1, "%s", 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) && (! bkpinfo->restore_data)) {
292 log_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) && (! bkpinfo->restore_data)) {
298 log_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 paranoid_free(tmp1);
305 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
306 log_msg(4, "Finished with the -I option");
307 }
308
309 if (g_kernel_version >= 2.6 && !flag_set['d']
310 && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
311 fatal_error
312 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
313 }
314
315
316 if (flag_set['J']) {
317 if (flag_set['I']) {
318 retval++;
319 log_to_screen
320 ("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. :-)");
321 }
322 bkpinfo->make_filelist = FALSE;
323 strcpy(bkpinfo->include_paths, flag_val['J']);
324 }
325
326 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
327 if (!flag_set['r'] && g_kernel_version <= 2.5
328 && strstr(flag_val['d'], "/dev/")) {
329 fatal_error
330 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
331 }
332 if (flag_set['r'] && g_kernel_version <= 2.5
333 && !strstr(flag_val['d'], "/dev/")) {
334 fatal_error
335 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
336 }
337 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
338 log_to_screen
339 ("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
340 }
341
342 if (system("which cdrecord > /dev/null 2> /dev/null")
343 && system("which dvdrecord > /dev/null 2> /dev/null")) {
344 fatal_error
345 ("Please install dvdrecord/cdrecord and try again.");
346 }
347 if (flag_set['C']) {
348 bkpinfo->cdrw_speed = atoi(flag_val['C']);
349 if (bkpinfo->cdrw_speed < 1) {
350 fatal_error
351 ("You specified a silly speed for a CD-R[W] drive");
352 }
353 if (!flag_set['L']) {
354 log_to_screen
355 ("You must use -L with -C. Therefore I am setting it for you.");
356 flag_set['L'] = 1;
357 flag_val['L'][0] = '\0';
358 }
359 } else {
360 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
361 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
362// log_msg(3, "flag_set['r'] = %i", flag_set['r'] );
363 if (flag_set['c']) {
364 bkpinfo->cdrw_speed = atoi(flag_val['c']);
365 } else if (flag_set['w']) {
366 bkpinfo->cdrw_speed = atoi(flag_val['w']);
367 } else if (flag_set['r']) {
368 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
369 }
370
371 if (bkpinfo->cdrw_speed < 1) {
372 fatal_error
373 ("You specified a silly speed for a CD-R[W] drive");
374 }
375 }
376 }
377
378 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
379 log_it("Hmm! No tape drive specified. Let's see what we can do.");
380 if (find_tape_device_and_size(flag_val['d'], tmp)) {
381 fatal_error
382 ("Tape device not specified. I couldn't find it either.");
383 }
384 flag_set['d'] = TRUE;
385 sprintf(tmp,
386 "You didn't specify a tape streamer device. I'm assuming %s",
387 flag_val['d']);
388 log_to_screen(tmp);
389 percent = 0;
390 }
391
392 if (flag_set['U']) // USB
393 {
394 if (! flag_set['d']) {
395 fatal_error
396 ("You need to specify a device file with -d for bootable USB device usage");
397 }
398 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
399 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
400 }
401 }
402
403 if (flag_set['r']) // DVD
404 {
405 if (flag_set['m']) {
406 fatal_error
407 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
408 }
409 if (!flag_set['d']) {
410 if (!find_dvd_device(flag_val['d'], FALSE)) {
411 flag_set['d'] = TRUE;
412 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
413 }
414 }
415 if (strchr(flag_val['d'], ',')) {
416 fatal_error
417 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
418 }
419 if (! bkpinfo->restore_data) {
420 if (!find_home_of_exe("growisofs")) {
421 fatal_error
422 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
423 }
424 if (!find_home_of_exe("dvd+rw-format")) {
425 fatal_error
426 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
427 }
428 if (!flag_set['s']) {
429 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
430 strcat(flag_val['s'], "m");
431 log_to_screen
432 ("You did not specify a size (-s) for DVD. I'm guessing %s.",
433 flag_val['s']);
434 flag_set['s'] = 1;
435 }
436 }
437/*
438 if (flag_set['Z']) {
439 bkpinfo->blank_dvd_first = TRUE;
440 }
441*/
442 }
443
444 if (flag_set['t'] || flag_set['u']) { /* tape size */
445 if (strchr(flag_val['d'], ',')) {
446 fatal_error
447 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
448 }
449 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
450 if (flag_set['s']) {
451 if (flag_set['t']) {
452 fatal_error
453 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
454 }
455 if (process_the_s_switch(flag_val['s'])) {
456 fatal_error("Bad -s switch");
457 }
458 } else if (flag_set['u'] || flag_set['t']) {
459 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
460 bkpinfo->media_size[i] = 0;
461 }
462 } else {
463 retval++;
464 log_to_screen("Tape size not specified.\n");
465 }
466 }
467 } else if (! bkpinfo->restore_data) { /* CD|USB size */
468 if (flag_set['s']) {
469 if (process_the_s_switch(flag_val['s'])) {
470 fatal_error("Bad -s switch");
471 }
472 }
473 if (flag_set['w']) {
474 bkpinfo->wipe_media_first = TRUE;
475 } /* CD-RW */
476 }
477
478 if (flag_set['n']) {
479 strncpy(bkpinfo->netfs_mount, flag_val['n'], MAX_STR_LEN);
480 if (!flag_set['d']) {
481 strncpy(bkpinfo->netfs_remote_dir, "/", MAX_STR_LEN);
482 }
483 /* test for protocol */
484 p = strstr(bkpinfo->netfs_mount, "://");
485 if (p == NULL) {
486 /* protocol not found assuming NFS for compatibility */
487 mr_asprintf(&q,"nfs");
488
489 p = strchr(bkpinfo->netfs_mount, ':');
490 if (p == NULL) {
491 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
492 }
493 /* p points on to the string server:/path */
494 p = bkpinfo->netfs_mount;
495
496 } else {
497 /* Isolate the protocol */
498 *p = '\0';
499 mr_asprintf(&q,"%s",bkpinfo->netfs_mount);
500
501 /* Skip proto now */
502 p++;
503 p++;
504 p++;
505 }
506 /* whatever done before proto is pointed to by q */
507 bkpinfo->netfs_proto = q;
508
509 /* p points on to the string server:/path */
510 /* Store the 2 values */
511 strcpy(bkpinfo->netfs_mount,p);
512
513 /* test if we specified a user */
514 p = strchr(bkpinfo->netfs_mount, '@');
515 if (p != NULL) {
516 /* User found. Store the 2 values */
517 p++;
518 /* new netfs mount */
519 strcpy(tmp,p);
520 p--;
521 *p = '\0';
522 mr_asprintf(&q,"%s",bkpinfo->netfs_mount);
523 bkpinfo->netfs_user = q;
524 strcpy(bkpinfo->netfs_mount,tmp);
525 }
526 sprintf(tmp, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user,
527 bkpinfo->netfs_mount);
528 strncpy(bkpinfo->isodir,
529 call_program_and_get_last_line_of_output(tmp),
530 MAX_STR_LEN / 4);
531 if (strlen(bkpinfo->isodir) < 3) {
532 log_to_screen("Network share is not mounted. Trying to mount it for you.\n");
533 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
534 sprintf(tmp, "sshfs %s", bkpinfo->netfs_mount);
535 } else {
536 sprintf(tmp, "mount %s", bkpinfo->netfs_mount);
537 }
538 if (system(tmp)) {
539 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
540 retval++;
541 } else {
542 sprintf(tmp, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user,
543 bkpinfo->netfs_mount);
544 strncpy(bkpinfo->isodir,
545 call_program_and_get_last_line_of_output(tmp),
546 MAX_STR_LEN / 4);
547 if (strlen(bkpinfo->isodir) < 3) {
548 retval++;
549 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
550 }
551 }
552 }
553 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
554 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
555 if (bkpinfo->netfs_user) {
556 log_msg(3, "user = %s", bkpinfo->netfs_user);
557 }
558 log_msg(3, "isodir= %s", bkpinfo->isodir);
559 }
560
561 if (flag_set['c']) {
562 bkpinfo->backup_media_type = cdr;
563 }
564 if (flag_set['C']) {
565 bkpinfo->backup_media_type = cdstream;
566 }
567 if (flag_set['i']) {
568 bkpinfo->backup_media_type = iso;
569 }
570 if (flag_set['n']) {
571 bkpinfo->backup_media_type = netfs;
572 /* Never try to eject a Network device */
573 bkpinfo->please_dont_eject = TRUE;
574 }
575 if (flag_set['r']) {
576 bkpinfo->backup_media_type = dvd;
577 }
578 if (flag_set['t']) {
579 bkpinfo->backup_media_type = tape;
580 }
581 if (flag_set['u']) {
582 bkpinfo->backup_media_type = udev;
583 }
584 if (flag_set['w']) {
585 bkpinfo->backup_media_type = cdrw;
586 }
587 if (flag_set['U']) {
588 bkpinfo->backup_media_type = usb;
589 /* Never try to eject a USB device */
590 bkpinfo->please_dont_eject = TRUE;
591 }
592 if (flag_set['z']) {
593 if (find_home_of_exe("getfattr")) {
594 mr_asprintf(&g_getfattr,"getfattr");
595 }
596 if (find_home_of_exe("getfacl")) {
597 mr_asprintf(&g_getfacl,"getfacl");
598 }
599 }
600
601 /* optional, popular */
602 if (flag_set['g']) {
603 g_text_mode = FALSE;
604 }
605
606 if (flag_set['E']) {
607 if (bkpinfo->exclude_paths[0] == '-') {
608 retval++;
609 log_to_screen("Please supply a sensible value with '-E'\n");
610 }
611 if (bkpinfo->exclude_paths[0]) {
612 strcat(bkpinfo->exclude_paths, " ");
613 }
614 mr_asprintf(&tmp1, "%s", flag_val['E']);
615
616 p = tmp1;
617 q = tmp1;
618
619 /* Cut the flag_val['E'] in parts containing all paths to test them */
620 while (p != NULL) {
621 q = strchr(p, ' ');
622 if (q != NULL) {
623 *q = '\0';
624 /* Fix bug 14 where ending / cause a problem later
625 * so handled here for the moment */
626 q--;
627 if (*q == '/') {
628 *q = '\0';
629 }
630 q++;
631 /* End of bug fix */
632 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
633 log_msg(1, "WARNING ! %s doesn't exist", p);
634 }
635 p = q+1 ;
636 } else {
637 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
638 log_msg(1, "WARNING ! %s doesn't exist", p);
639 }
640 p = NULL;
641 }
642 }
643 paranoid_free(tmp1);
644 lastpos = 0;
645
646 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
647 log_msg(4, "Finished with the -E option");
648 }
649
650 if (flag_set['e']) {
651 bkpinfo->please_dont_eject = TRUE;
652 }
653
654 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
655 {
656 mr_asprintf(&psz, "%s", list_of_NETFS_mounts_only());
657 if (bkpinfo->exclude_paths[0]) {
658 strncat(bkpinfo->exclude_paths, " ", 4*MAX_STR_LEN);
659 }
660 strncat(bkpinfo->exclude_paths, psz, 4*MAX_STR_LEN);
661 mr_free(psz);
662
663 log_msg(3, "-N means we're now excluding %s",
664 bkpinfo->exclude_paths);
665 }
666
667 if (strlen(bkpinfo->exclude_paths) >= 4*MAX_STR_LEN) {
668 fatal_error
669 ("Your '-E' parameter is too long. Increase MAX_STR_LEN");
670 }
671
672 if (flag_set['b']) {
673 mr_asprintf(&psz, "%s", flag_val['b']);
674 log_msg(1, "psz = '%s'", psz);
675 if (psz[strlen(psz) - 1] == 'k') {
676 psz[strlen(psz) - 1] = '\0';
677 itbs = atol(psz) * 1024L;
678 } else {
679 itbs = atol(psz);
680 }
681 mr_free(psz);
682 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
683 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
684 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
685 fatal_error
686 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
687 }
688 bkpinfo->internal_tape_block_size = itbs;
689 }
690
691 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
692 bkpinfo->differential = 1;
693// bkpinfo->differential = atoi (flag_val['D']);
694 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
695 fatal_error
696 ("The D option should be between 1 and 9 inclusive");
697 }
698 }
699
700 if (flag_set['x']) {
701 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
702 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
703 fatal_error("Please install ntfsprogs package/tarball.");
704 }
705 }
706
707 if (flag_set['m']) {
708 bkpinfo->manual_cd_tray = TRUE;
709 }
710
711 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
712 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
713 if (!strcmp(bkpinfo->kernel_path, "failsafe")) {
714 strcpy(bkpinfo->kernel_path, "FAILSAFE");
715 }
716 if (strcmp(bkpinfo->kernel_path, "FAILSAFE")
717 && !does_file_exist(bkpinfo->kernel_path)) {
718 retval++;
719 sprintf(tmp,
720 "You specified kernel '%s', which does not exist\n",
721 bkpinfo->kernel_path);
722 log_to_screen(tmp);
723 }
724 }
725
726 if (flag_set['p']) {
727 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
728 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
729 }
730
731 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
732 if (flag_set['i']) {
733 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
734 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
735 if (run_program_and_log_output(tmp, 2)) {
736 fatal_error
737 ("output folder does not exist - please create it");
738 }
739 } else if (flag_set['n']) {
740 strncpy(bkpinfo->netfs_remote_dir, flag_val['d'], MAX_STR_LEN);
741 } else { /* backup device (if tape/CD-R/CD-RW) */
742 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
743 }
744 }
745
746 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
747 mr_asprintf(&tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
748 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
749 sprintf(tmp, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
750 } else {
751 sprintf(tmp, "echo hi > %s", tmp1);
752 }
753 if (run_program_and_log_output(tmp, 2)) {
754 retval++;
755 sprintf(tmp,
756 "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n",
757 bkpinfo->netfs_remote_dir, bkpinfo->netfs_mount);
758 log_to_screen(tmp);
759 }
760 unlink(tmp1);
761 paranoid_free(tmp1);
762 }
763
764 if (!flag_set['d']
765 && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
766 if (g_kernel_version >= 2.6) {
767 if (popup_and_get_string
768 ("Device", "Please specify the device",
769 bkpinfo->media_device, MAX_STR_LEN / 4)) {
770 retval++;
771 log_to_screen("User opted to cancel.");
772 }
773 } else if (find_cdrw_device(bkpinfo->media_device)) {
774 retval++;
775 log_to_screen
776 ("Tried and failed to find CD-R[W] drive automatically.\n");
777 } else {
778 flag_set['d'] = TRUE;
779 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
780 }
781 }
782
783 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
784 retval++;
785 log_to_screen("Please specify the backup device/directory.\n");
786 fatal_error
787 ("You didn't use -d to specify the backup device/directory.");
788 }
789
790 for (i = '0'; i <= '9'; i++) {
791 if (flag_set[i]) {
792 bkpinfo->compression_level = i - '0';
793 } /* not '\0' but '0' */
794 }
795
796 if (flag_set['S']) {
797 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'],
798 random() % 32768);
799 }
800
801 if (flag_set['T']) {
802 setup_tmpdir(flag_val['T']);
803 sprintf(tmp, "touch %s/.foo.dat", bkpinfo->tmpdir);
804 if (run_program_and_log_output(tmp, 1)) {
805 retval++;
806 log_to_screen
807 ("Please specify a tempdir which I can write to. :)");
808 fatal_error("I cannot write to the tempdir you specified.");
809 }
810 sprintf(tmp, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
811 if (run_program_and_log_output(tmp, 1)) {
812 retval++;
813 log_to_screen
814 ("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
815 fatal_error("I cannot write to the tempdir you specified.");
816 }
817 }
818
819 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
820 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
821 }
822
823 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
824 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
825 }
826
827 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
828 g_cd_recovery = TRUE;
829 }
830
831 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
832#ifdef __FreeBSD__
833# define BOOT_LOADER_CHARS "GLBMR"
834#else
835# ifdef __IA64__
836# define BOOT_LOADER_CHARS "GER"
837# else
838# define BOOT_LOADER_CHARS "GLR"
839# endif
840#endif
841 if (!strchr
842 (BOOT_LOADER_CHARS,
843 (bkpinfo->boot_loader = flag_val['l'][0]))) {
844 log_msg(1, "%c? WTF is %c? I need G, L, E or R.",
845 bkpinfo->boot_loader, bkpinfo->boot_loader);
846 fatal_error
847 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
848 }
849#undef BOOT_LOADER_CHARS
850 }
851
852 if (flag_set['f']) {
853 strncpy(bkpinfo->boot_device,
854 resolve_softlinks_to_get_to_actual_device_file(flag_val
855 ['f']),
856 MAX_STR_LEN / 4);
857 }
858
859 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
860 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
861 }
862
863 if (flag_set['Q']) {
864 i = which_boot_loader(tmp);
865 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
866 printf("boot loader is %c, residing at %s\n", i, tmp);
867 finish(0);
868 }
869
870 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
871 bkpinfo->use_lzo = TRUE;
872 if (run_program_and_log_output("which lzop", 2)) {
873 retval++;
874 log_to_screen
875 ("Please install LZOP. You can't use '-L' until you do.\n");
876 }
877 }
878
879 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
880 bkpinfo->use_gzip = TRUE;
881 if (run_program_and_log_output("which gzip", 2)) {
882 retval++;
883 log_to_screen
884 ("Please install gzip. You can't use '-G' until you do.\n");
885 }
886 }
887
888 bkpinfo->use_obdr = FALSE;
889 if (flag_set['o']) {
890 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
891 log_to_screen("OBDR support is only available for tapes. Use the -t option");
892 fatal_error("Aborting");
893 }
894 bkpinfo->use_obdr = TRUE;
895 }
896
897#ifndef __FreeBSD__
898 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
899 bkpinfo->make_cd_use_lilo = TRUE;
900 log_to_screen
901 ("Your kernel appears not to support vfat filesystems. I am therefore");
902 log_to_screen
903 ("using LILO instead of SYSLINUX as the media boot loader.");
904 }
905 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
906 bkpinfo->make_cd_use_lilo = TRUE;
907#ifdef __IA32__
908 log_to_screen
909 ("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
910 log_to_screen
911 ("your boot loader. I shall therefore use LILO instead.");
912#endif
913#ifdef __IA64__
914 log_to_screen
915 ("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
916 log_to_screen("environment correctly. Please install it.");
917 fatal_error("Aborting");
918#endif
919 }
920#ifdef __IA64__
921 /* We force ELILO usage on IA64 */
922 bkpinfo->make_cd_use_lilo = TRUE;
923#endif
924#endif
925
926 if (! bkpinfo->restore_data) {
927 i = flag_set['O'] + flag_set['V'];
928 if (i == 0) {
929 retval++;
930 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
931 }
932 }
933
934 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
935 fatal_error
936 ("The -Z switch is only valid in restore mode");
937 }
938
939 if (flag_set['Z']) {
940 if (! strcmp(flag_val['Z'], "nuke")) {
941 bkpinfo->restore_mode = nuke;
942 } else if (! strcmp(flag_val['Z'], "interactive")) {
943 bkpinfo->restore_mode = interactive;
944 } else if (! strcmp(flag_val['Z'], "compare")) {
945 bkpinfo->restore_mode = compare;
946 } else if (! strcmp(flag_val['Z'], "mbr")) {
947 bkpinfo->restore_mode = mbr;
948 } else if (! strcmp(flag_val['Z'], "iso")) {
949 bkpinfo->restore_mode = isoonly;
950 } else if (! strcmp(flag_val['Z'], "isonuke")) {
951 bkpinfo->restore_mode = isonuke;
952 } else {
953 bkpinfo->restore_mode = interactive;
954 }
955 }
956
957/* and finally... */
958
959 paranoid_free(tmp);
960 return (retval);
961}
962
963
964
965/**
966 * Get the switches from @p argc and @p argv using getopt() and place them in
967 * @p flag_set and @p flag_val.
968 * @param argc The argument count (@p argc passed to main()).
969 * @param argv The argument vector (@p argv passed to main()).
970 * @param flag_val An array indexed by switch letter - if a switch is set and
971 * has an argument then set flag_val[switch] to that argument.
972 * @param flag_set An array indexed by switch letter - if a switch is set then
973 * set flag_set[switch] to TRUE, else set it to FALSE.
974 * @return The number of problems with the command line (0 for success).
975 */
976int
977retrieve_switches_from_command_line(int argc, char *argv[],
978 char flag_val[128][MAX_STR_LEN],
979 bool flag_set[128])
980{
981 /*@ ints ** */
982 int opt = 0;
983 char *tmp = NULL;
984 int i = 0;
985 int len;
986
987 /*@ bools *** */
988 bool bad_switches = FALSE;
989
990 assert(flag_val != NULL);
991 assert(flag_set != NULL);
992
993 for (i = 0; i < 128; i++) {
994 flag_val[i][0] = '\0';
995 flag_set[i] = FALSE;
996 }
997 while ((opt =
998 getopt(argc, argv, MONDO_OPTIONS))
999 != -1) {
1000 if (opt == '?') {
1001 bad_switches = TRUE;
1002 /*log_it("Invalid option: %c\n",optopt); */
1003 } else {
1004 if (flag_set[opt]) {
1005 bad_switches = TRUE;
1006 mr_asprintf(&tmp, "Switch -%c previously defined as %s\n", opt, flag_val[opt]);
1007 log_to_screen(tmp);
1008 paranoid_free(tmp);
1009 } else {
1010 flag_set[opt] = TRUE;
1011 if (optarg) {
1012 len = strlen(optarg);
1013 if (optarg[0] != '/' && optarg[len - 1] == '/') {
1014 optarg[--len] = '\0';
1015 log_to_screen
1016 ("Warning - param '%s' should not have trailing slash!",
1017 optarg);
1018 }
1019 if (opt == 'd') {
1020 if (strchr(flag_val[opt], '/')
1021 && flag_val[opt][0] != '/') {
1022 mr_asprintf(&tmp, "-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
1023 log_to_screen(tmp);
1024 paranoid_free(tmp);
1025 bad_switches = TRUE;
1026 }
1027 }
1028 strcpy(flag_val[opt], optarg);
1029 }
1030 }
1031 }
1032 }
1033 for (i = optind; i < argc; i++) {
1034 bad_switches = TRUE;
1035 mr_asprintf(&tmp, "Invalid arg -- %s\n", argv[i]);
1036 log_to_screen(tmp);
1037 paranoid_free(tmp);
1038 }
1039 return (bad_switches);
1040}
1041
1042
1043
1044
1045/**
1046 * Print a not-so-helpful help message and exit.
1047 */
1048void help_screen()
1049{
1050 log_msg(1, "Type 'man mondoarchive' for more information\n");
1051 exit(1);
1052}
1053
1054
1055/**
1056 * Terminate Mondo in response to a signal.
1057 * @param sig The signal number received.
1058 */
1059void terminate_daemon(int sig)
1060{
1061 char *tmp = NULL;
1062 char *tmp2 = NULL;
1063
1064 switch (sig) {
1065 case SIGINT:
1066 mr_asprintf(&tmp, "SIGINT");
1067 mr_asprintf(&tmp2, "You interrupted me :-)");
1068 break;
1069 case SIGKILL:
1070 mr_asprintf(&tmp, "SIGKILL");
1071 mr_asprintf(&tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1072 break;
1073 case SIGTERM:
1074 mr_asprintf(&tmp, "SIGTERM");
1075 mr_asprintf(&tmp2, "Got terminate signal");
1076 break;
1077 case SIGHUP:
1078 mr_asprintf(&tmp, "SIGHUP");
1079 mr_asprintf(&tmp2, "Hangup on line");
1080 break;
1081 case SIGSEGV:
1082 mr_asprintf(&tmp, "SIGSEGV");
1083 mr_asprintf(&tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1084 break;
1085 case SIGPIPE:
1086 mr_asprintf(&tmp, "SIGPIPE");
1087 mr_asprintf(&tmp2, "Pipe was broken");
1088 break;
1089 case SIGABRT:
1090 mr_asprintf(&tmp, "SIGABRT");
1091 mr_asprintf(&tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1092 break;
1093 default:
1094 mr_asprintf(&tmp, "(Unknown)");
1095 mr_asprintf(&tmp2, "(Unknown)");
1096 }
1097
1098 mr_strcat(tmp, " signal received from OS");
1099 log_to_screen(tmp);
1100 paranoid_free(tmp);
1101
1102 log_to_screen(tmp2);
1103 paranoid_free(tmp2);
1104 if (sig == SIGABRT) {
1105 sleep(10);
1106 }
1107 kill_buffer();
1108
1109 free_MR_global_filenames();
1110
1111 fatal_error
1112 ("MondoRescue is terminating in response to a signal from the OS");
1113 finish(254); // just in case
1114}
1115
1116
1117
1118
1119/**
1120 * Turn signal-trapping on or off.
1121 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1122 */
1123void set_signals(int on)
1124{
1125 int signals[] =
1126 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1127 int i;
1128
1129 signal(SIGPIPE, sigpipe_occurred);
1130 for (i = 0; signals[i]; i++) {
1131 if (on) {
1132 signal(signals[i], terminate_daemon);
1133 } else {
1134 signal(signals[i], termination_in_progress);
1135 }
1136 }
1137}
1138
1139
1140
1141
1142/**
1143 * Exit immediately without cleaning up.
1144 * @param sig The signal we are exiting due to.
1145 */
1146void termination_in_progress(int sig)
1147{
1148 log_msg(1, "Termination in progress");
1149 usleep(1000);
1150 pthread_exit(0);
1151}
1152
1153/* @} - end of cliGroup */
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