source: MondoRescue/branches/3.2/mondo/src/common/libmondo-cli.c@ 3334

Last change on this file since 3334 was 3334, checked in by Bruno Cornec, 9 years ago
  • Fix #764 by checking the value of bkpinfo->include_paths before using it if -I is used
  • Property svn:keywords set to Id
File size: 32.1 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 3334 2015-01-26 09:04:57Z bruno $
3*******************************************************************/
4
5/**
6 * @file
7 * Functions for handling command-line arguments passed to mondoarchive.
8 */
9
10/** @def BOOT_LOADER_CHARS The characters allowed for boot loader on this platform. */
11
12#include <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 bool g_fail_immediately;
23extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
24extern char *MONDO_OPTIONS;
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
40extern void setup_tmpdir(char *path);
41extern void setup_scratchdir(char *path);
42void mr_make_devlist_from_pathlist(char *pathlist, char mode);
43extern double g_kernel_version;
44extern int g_current_media_number;
45extern pid_t g_main_pid;
46extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
47
48/* Do we use extended attributes and acl ?
49 * By default no, use -z option to force their usage */
50extern char *g_getfacl;
51extern char *g_getfattr;
52
53/* Reference to global bkpinfo */
54extern struct s_bkpinfo *bkpinfo;
55
56extern void free_MR_global_filenames(void);
57
58long g_max_biggie_size = BIGGIEMAXSIZE;
59
60/**
61 * @addtogroup cliGroup
62 * @{
63 */
64/**
65 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
66 * @param argc The argument count, including the program name; @p argc passed to main().
67 * @param argv The argument vector; @p argv passed to main().
68 * @param bkpinfo The backup information structure to populate.
69 * @return The number of problems with the command line (0 for success).
70 */
71int
72handle_incoming_parameters(int argc, char *argv[])
73{
74 /*@ int *** */
75 int res = 0;
76 int retval = 0;
77 int i = 0;
78
79 /*@ buffers *************** */
80 char flag_val[128][MAX_STR_LEN];
81 bool flag_set[128];
82
83 for (i = 0; i < 128; i++) {
84 flag_val[i][0] = '\0';
85 flag_set[i] = FALSE;
86 }
87 bkpinfo->media_size = 650; /* default */
88 res = retrieve_switches_from_command_line(argc, argv, flag_val, flag_set);
89 retval += res;
90 if (!retval) {
91 res = process_switches(flag_val, flag_set);
92 retval += res;
93 }
94
95 log_msg(3, "Switches:-");
96 for (i = 0; i < 128; i++) {
97 if (flag_set[i]) {
98 log_msg(3, "-%c %s", i, flag_val[i]);
99 }
100 }
101
102 return (retval);
103}
104
105
106/**
107 * Store the sizespec(s) stored in @p value into @p bkpinfo.
108 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
109 * @param value The sizespec (e.g. "2g", "40m").
110 * @return 0, always.
111 * @bug Return code not needed.
112 */
113int process_the_s_switch(char *value)
114{
115 assert(bkpinfo != NULL);
116 assert(value != NULL);
117
118 bkpinfo->media_size = -1; /* dummy value */
119 bkpinfo->media_size = friendly_sizestr_to_sizelong(value);
120 log_msg(3, "media_size = %ld", bkpinfo->media_size);
121 if (bkpinfo->media_size <= 0) {
122 log_msg(1, "You gave media an invalid size %s\n", value);
123 return (-1);
124 }
125 return (0);
126}
127
128/**
129 * Process mondoarchive's command-line switches.
130 * @param bkpinfo The backup information structure to populate.
131 * @param flag_val An array of the argument passed to each switch (the letter is the index).
132 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
133 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
134 * FALSE if it's not.
135 * @return The number of problems with the switches, or 0 for success.
136 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
137 */
138int
139process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
140{
141
142 /*@ ints *** */
143 int i = 0;
144 int retval = 0;
145
146 /*@ buffers ** */
147 char *tmp = NULL;
148 char *tmp1 = NULL;
149 char *tmp2 = NULL;
150 char *psz = NULL;
151 char *p = NULL;
152 char *q = NULL;
153
154 long itbs = 0L;
155
156 struct stat buf;
157
158 malloc_string(tmp);
159
160 assert(bkpinfo != NULL);
161 assert(flag_val != NULL);
162 assert(flag_set != NULL);
163
164 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
165
166 /* compulsory */
167 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
168 flag_set['t'] + flag_set['u'] + flag_set['r'] +
169 flag_set['w'] + flag_set['C'] + flag_set['U'];
170 if ((i == 0) && (! bkpinfo->restore_data)) {
171 retval++;
172 log_to_screen("You must specify the media type\n");
173 }
174 if (i > 1) {
175 retval++;
176 log_to_screen("Please specify only one media type\n");
177 }
178
179 if (flag_set['K']) {
180 g_loglevel = atoi(flag_val['K']);
181 log_msg(1,"Loglevel forced to %d",g_loglevel);
182 if (g_loglevel < 3) {
183 g_loglevel = 3;
184 }
185 }
186
187 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
188 retval++;
189 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
190 }
191 if (! bkpinfo->restore_data) {
192 bkpinfo->backup_data = flag_set['O'];
193 }
194 bkpinfo->verify_data = flag_set['V'];
195
196 if (flag_set['I'] && !bkpinfo->backup_data) {
197 log_to_screen("-I switch is ignored if just verifying");
198 }
199 if (flag_set['E'] && !bkpinfo->backup_data) {
200 log_to_screen("-E switch is ignored if just verifying");
201 }
202
203 if (!find_home_of_exe("afio")) {
204 if (find_home_of_exe("star")) {
205 flag_set['R'] = TRUE;
206 log_msg(1, "Using star instead of afio");
207 } else {
208 fatal_error("Neither afio nor star is installed. Please install at least one.");
209 }
210 }
211
212 if (flag_set['R']) {
213 bkpinfo->use_star = TRUE;
214 if (flag_set['L']) {
215 fatal_error("You may not use star and lzop at the same time.");
216 }
217 if (!find_home_of_exe("star")) {
218 fatal_error("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
219 }
220 }
221
222 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
223 bkpinfo->nonbootable_backup = TRUE;
224 log_to_screen("Warning - you have opted for non-bootable backup");
225 if (flag_set['f'] || flag_set['l']) {
226 log_to_screen
227 ("You don't need to specify bootloader or bootdevice");
228 }
229 }
230
231 if (flag_set['I']) {
232 if (bkpinfo->include_paths && bkpinfo->include_paths[0] == '-') {
233 retval++;
234 log_to_screen("Please supply a sensible value with '-I'\n");
235 }
236 if (bkpinfo->include_paths && !strcmp(bkpinfo->include_paths, "/")) {
237 log_msg(2, "'/' is pleonastic.");
238 mr_free(bkpinfo->include_paths);
239 }
240 if (bkpinfo->include_paths && bkpinfo->include_paths[0]) {
241 mr_strcat(bkpinfo->include_paths, "|");
242 }
243
244 mr_asprintf(tmp1, "%s", flag_val['I']);
245 p = tmp1;
246 q = tmp1;
247
248 /* Cut the flag_val['I'] in parts containing all paths to test them */
249 while (p != NULL) {
250 q = strchr(p, '|');
251 if (q != NULL) {
252 *q = '\0';
253 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
254 log_msg(1, "ERROR ! %s doesn't exist", p);
255 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
256 }
257 p = q+1 ;
258 } else {
259 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
260 log_msg(1, "ERROR ! %s doesn't exist", p);
261 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
262 }
263 p = NULL;
264 }
265 }
266 mr_free(tmp1);
267 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
268 log_msg(4, "Finished with the -I option");
269 }
270
271 if (g_kernel_version >= 2.6 && !flag_set['d'] && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
272 fatal_error("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
273 }
274
275
276 if (flag_set['J']) {
277 if (flag_set['I']) {
278 retval++;
279 log_to_screen("Please do not use -J in combination with -I. If you want to make a list of files to backup, that's fine, use -J <filename> but please don't muddy the waters by combining -J with -I. Thanks. :-)");
280 }
281 bkpinfo->make_filelist = FALSE;
282 mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']);
283 }
284
285 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
286 if (!flag_set['r'] && g_kernel_version <= 2.5 && strstr(flag_val['d'], "/dev/")) {
287 fatal_error("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
288 }
289 if (flag_set['r'] && g_kernel_version <= 2.5 && !strstr(flag_val['d'], "/dev/")) {
290 fatal_error("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
291 }
292 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
293 log_to_screen("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
294 }
295
296 if (system("which cdrecord > /dev/null 2> /dev/null") && system("which dvdrecord > /dev/null 2> /dev/null")) {
297 fatal_error("Please install dvdrecord/cdrecord and try again.");
298 }
299 if (flag_set['C']) {
300 bkpinfo->cdrw_speed = atoi(flag_val['C']);
301 if (bkpinfo->cdrw_speed < 1) {
302 fatal_error("You specified a silly speed for a CD-R[W] drive");
303 }
304 if (!flag_set['L']) {
305 log_to_screen("You must use -L with -C. Therefore I am setting it for you.");
306 flag_set['L'] = 1;
307 flag_val['L'][0] = '\0';
308 }
309 } else {
310 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
311 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
312 if (flag_set['c']) {
313 bkpinfo->cdrw_speed = atoi(flag_val['c']);
314 } else if (flag_set['w']) {
315 bkpinfo->cdrw_speed = atoi(flag_val['w']);
316 } else if (flag_set['r']) {
317 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
318 }
319
320 if (bkpinfo->cdrw_speed < 1) {
321 fatal_error("You specified a silly speed for a CD-R[W] drive");
322 }
323 }
324 }
325
326 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
327 log_it("Hmm! No tape drive specified. Let's see what we can do.");
328 if (find_tape_device_and_size(flag_val['d'], tmp)) {
329 fatal_error("Tape device not specified. I couldn't find it either.");
330 }
331 flag_set['d'] = TRUE;
332 log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", flag_val['d']);
333 }
334
335 if (flag_set['U']) // USB
336 {
337 if (! flag_set['d']) {
338 fatal_error("You need to specify a device file with -d for bootable USB device usage");
339 }
340 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
341 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
342 }
343 }
344
345 if (flag_set['r']) // DVD
346 {
347 if (flag_set['m']) {
348 fatal_error("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
349 }
350 if (!flag_set['d']) {
351 if (!find_dvd_device(flag_val['d'], FALSE)) {
352 flag_set['d'] = TRUE;
353 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
354 }
355 }
356 if (strchr(flag_val['d'], ',')) {
357 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
358 }
359 if (! bkpinfo->restore_data) {
360 if (!find_home_of_exe("growisofs")) {
361 fatal_error("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
362 }
363 if (!find_home_of_exe("dvd+rw-format")) {
364 fatal_error("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
365 }
366 if (!flag_set['s']) {
367 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
368 strcat(flag_val['s'], "m");
369 log_to_screen("You did not specify a size (-s) for DVD. I'm guessing %s.", flag_val['s']);
370 flag_set['s'] = 1;
371 }
372 }
373 }
374
375 if (flag_set['t'] || flag_set['u']) { /* tape size */
376 if (strchr(flag_val['d'], ',')) {
377 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
378 }
379 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
380 if (flag_set['s']) {
381 if (flag_set['t']) {
382 fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
383 }
384 if (process_the_s_switch(flag_val['s'])) {
385 fatal_error("Bad -s switch");
386 }
387 } else if (flag_set['u'] || flag_set['t']) {
388 bkpinfo->media_size = 0;
389 } else {
390 retval++;
391 log_to_screen("Tape size not specified.\n");
392 }
393 }
394 } else if (! bkpinfo->restore_data) { /* CD|USB size */
395 if (flag_set['s']) {
396 if (process_the_s_switch(flag_val['s'])) {
397 fatal_error("Bad -s switch");
398 }
399 }
400 if (flag_set['w']) {
401 bkpinfo->wipe_media_first = TRUE;
402 } /* CD-RW */
403 }
404
405 if (flag_set['n']) {
406 mr_free(bkpinfo->netfs_mount);
407 mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']);
408 if (!flag_set['d']) {
409 mr_free(bkpinfo->netfs_remote_dir);
410 mr_asprintf(bkpinfo->netfs_remote_dir, "/");
411 }
412 /* test for protocol */
413 p = strstr(bkpinfo->netfs_mount, "://");
414 if (p == NULL) {
415 /* protocol not found assuming NFS for compatibility */
416 mr_asprintf(q,"nfs");
417
418 p = strchr(bkpinfo->netfs_mount, ':');
419 if (p == NULL) {
420 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
421 }
422 /* p points on to the string server:/path */
423 p = bkpinfo->netfs_mount;
424
425 } else {
426 /* Isolate the protocol */
427 *p = '\0';
428 mr_asprintf(q,"%s",bkpinfo->netfs_mount);
429
430 /* Skip proto now */
431 p++;
432 p++;
433 p++;
434 }
435 /* whatever done before proto is pointed to by q */
436 bkpinfo->netfs_proto = q;
437
438 /* p points on to the string server:/path */
439 /* Store the 2 values */
440 /* using memmove instead of strcpy as per #584 */
441 /* memmove(bkpinfo->netfs_mount, p, MAX_STR_LEN); */
442 bkpinfo->netfs_mount = p;
443
444 /* test if we specified a user */
445 p = strchr(bkpinfo->netfs_mount, '@');
446 if (p != NULL) {
447 /* User found. Store the 2 values */
448 bkpinfo->netfs_user = bkpinfo->netfs_mount;
449 p++;
450 /* new netfs mount */
451 mr_asprintf(bkpinfo->netfs_mount, "%s", p);
452 /* now that user is computed, create the right value by removing end of string */
453 p--;
454 *p = '\0';
455 }
456 if (bkpinfo->netfs_user != NULL) {
457 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
458 } else {
459 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
460 }
461 strncpy(bkpinfo->isodir, call_program_and_get_last_line_of_output(tmp1), MAX_STR_LEN / 4);
462 mr_free(tmp1);
463
464 if (strlen(bkpinfo->isodir) < 3) {
465 log_to_screen("Network share is not mounted. Trying to mount it for you.\n");
466 if (bkpinfo->netfs_user) {
467 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
468 mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
469 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
470 mr_asprintf(tmp1, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user);
471 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
472 mr_asprintf(tmp1, "mount %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
473 } else {
474 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
475 fatal_error("Bad Protocol\n");
476 }
477 } else {
478 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
479 mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount);
480 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
481 mr_asprintf(tmp1, "mount -t cifs %s", bkpinfo->netfs_mount);
482 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
483 mr_asprintf(tmp1, "mount %s", bkpinfo->netfs_mount);
484 } else {
485 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
486 fatal_error("Bad Protocol\n");
487 }
488 }
489 i = system(tmp1);
490 mr_free(tmp1);
491
492 if (i) {
493 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
494 retval++;
495 } else {
496 if (bkpinfo->netfs_user) {
497 mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
498 } else {
499 mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
500 }
501 strncpy(bkpinfo->isodir, call_program_and_get_last_line_of_output(tmp), MAX_STR_LEN / 4);
502 if (strlen(bkpinfo->isodir) < 3) {
503 retval++;
504 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
505 }
506 }
507 }
508 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
509 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
510 if (bkpinfo->netfs_user) {
511 log_msg(3, "user = %s", bkpinfo->netfs_user);
512 }
513 log_msg(3, "isodir= %s", bkpinfo->isodir);
514 }
515
516 if (flag_set['c']) {
517 bkpinfo->backup_media_type = cdr;
518 }
519 if (flag_set['C']) {
520 bkpinfo->backup_media_type = cdstream;
521 }
522 if (flag_set['i']) {
523 bkpinfo->backup_media_type = iso;
524 }
525 if (flag_set['n']) {
526 bkpinfo->backup_media_type = netfs;
527 /* Never try to eject a Network device */
528 bkpinfo->please_dont_eject = TRUE;
529 }
530 if (flag_set['r']) {
531 bkpinfo->backup_media_type = dvd;
532 }
533 if (flag_set['t']) {
534 bkpinfo->backup_media_type = tape;
535 }
536 if (flag_set['u']) {
537 bkpinfo->backup_media_type = udev;
538 }
539 if (flag_set['w']) {
540 bkpinfo->backup_media_type = cdrw;
541 }
542 if (flag_set['U']) {
543 bkpinfo->backup_media_type = usb;
544 /* Never try to eject a USB device */
545 bkpinfo->please_dont_eject = TRUE;
546 }
547 if (flag_set['z']) {
548 if (find_home_of_exe("getfattr")) {
549 mr_asprintf(g_getfattr,"getfattr");
550 }
551 if (find_home_of_exe("getfacl")) {
552 mr_asprintf(g_getfacl,"getfacl");
553 }
554 }
555
556 /* optional, popular */
557 if (flag_set['g']) {
558 g_text_mode = FALSE;
559 }
560
561 if (flag_set['E']) {
562 if (bkpinfo->exclude_paths && (bkpinfo->exclude_paths[0] == '-')) {
563 retval++;
564 log_to_screen("Please supply a sensible value with '-E'\n");
565 }
566 mr_asprintf(tmp1, "%s", flag_val['E']);
567
568 p = tmp1;
569 q = tmp1;
570
571 /* Cut the flag_val['E'] in parts containing all paths to test them */
572 while (p != NULL) {
573 q = strchr(p, '|');
574 if (q != NULL) {
575 *q = '\0';
576 /* Fix bug 14 where ending / cause a problem later
577 * so handled here for the moment */
578 q--;
579 if (*q == '/') {
580 *q = '\0';
581 }
582 q++;
583 /* End of bug fix */
584 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
585 log_msg(1, "WARNING ! %s doesn't exist", p);
586 }
587 p = q+1 ;
588 } else {
589 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
590 log_msg(1, "WARNING ! %s doesn't exist", p);
591 }
592 p = NULL;
593 }
594 }
595 mr_free(tmp1);
596
597 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
598 log_msg(4, "Finished with the -E option");
599 }
600
601 if (flag_set['e']) {
602 bkpinfo->please_dont_eject = TRUE;
603 }
604
605 if (flag_set['M']) {
606 g_max_biggie_size = atol(flag_val['M']);
607 log_msg(1, "Max size for biggie file is now %ld KB", g_max_biggie_size);
608 }
609
610 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
611 {
612 psz = list_of_NETFS_mounts_only();
613 log_msg(5, "-N means we'll exclude %s", psz);
614 if (bkpinfo->exclude_paths) {
615 mr_strcat(bkpinfo->exclude_paths, "|%s", psz);
616 mr_free(psz);
617 } else {
618 bkpinfo->exclude_paths = psz;
619 }
620
621 if (bkpinfo->exclude_paths != NULL) {
622 log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths);
623 }
624 }
625
626 if (flag_set['b']) {
627 mr_asprintf(psz, "%s", flag_val['b']);
628 log_msg(1, "psz = '%s'", psz);
629 if (psz[strlen(psz) - 1] == 'k') {
630 psz[strlen(psz) - 1] = '\0';
631 itbs = atol(psz) * 1024L;
632 } else {
633 itbs = atol(psz);
634 }
635 mr_free(psz);
636 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
637 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
638 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
639 fatal_error("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
640 }
641 bkpinfo->internal_tape_block_size = itbs;
642 }
643
644 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
645 bkpinfo->differential = 1;
646// bkpinfo->differential = atoi (flag_val['D']);
647 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
648 fatal_error("The D option should be between 1 and 9 inclusive");
649 }
650 }
651
652 if (flag_set['x']) {
653 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
654 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
655 fatal_error("Please install ntfsprogs package/tarball.");
656 }
657 }
658
659 if (flag_set['m']) {
660 bkpinfo->manual_cd_tray = TRUE;
661 }
662
663 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
664 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
665 if (!does_file_exist(bkpinfo->kernel_path)) {
666 retval++;
667 log_to_screen("You specified kernel '%s', which does not exist\n", bkpinfo->kernel_path);
668 }
669 }
670
671 if (flag_set['p']) {
672 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
673 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
674 }
675
676 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
677 if (flag_set['i']) {
678 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
679 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
680 if (run_program_and_log_output(tmp, 2)) {
681 fatal_error("output folder does not exist - please create it");
682 }
683 } else if (flag_set['n']) {
684 mr_free(bkpinfo->netfs_remote_dir);
685 mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']);
686 } else { /* backup device (if tape/CD-R/CD-RW) */
687 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
688 }
689 }
690
691 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
692 mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
693 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
694 mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
695 } else {
696 mr_asprintf(tmp2, "echo hi > %s", tmp1);
697 }
698 i = run_program_and_log_output(tmp2, 2);
699 mr_free(tmp2);
700
701 if (i) {
702 retval++;
703 log_to_screen("Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n", bkpinfo->netfs_remote_dir, bkpinfo->netfs_mount);
704 }
705 unlink(tmp1);
706 mr_free(tmp1);
707 }
708
709 if (!flag_set['d'] && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
710 if (g_kernel_version >= 2.6) {
711 if (popup_and_get_string
712 ("Device", "Please specify the device",
713 bkpinfo->media_device, MAX_STR_LEN / 4)) {
714 retval++;
715 log_to_screen("User opted to cancel.");
716 }
717 } else if (find_cdrw_device(bkpinfo->media_device)) {
718 retval++;
719 log_to_screen
720 ("Tried and failed to find CD-R[W] drive automatically.\n");
721 } else {
722 flag_set['d'] = TRUE;
723 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
724 }
725 }
726
727 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
728 retval++;
729 log_to_screen("Please specify the backup device/directory.\n");
730 fatal_error("You didn't use -d to specify the backup device/directory.");
731 }
732
733 for (i = '0'; i <= '9'; i++) {
734 if (flag_set[i]) {
735 bkpinfo->compression_level = i - '0';
736 } /* not '\0' but '0' */
737 }
738
739 if (flag_set['S']) {
740 setup_scratchdir(flag_val['S']);
741 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->scratchdir);
742 if (run_program_and_log_output(tmp1, 1)) {
743 retval++;
744 mr_free(tmp1);
745 log_to_screen("Please specify a scratchdir which I can write to. :)");
746 fatal_error("I cannot write to the scratchdir you specified.");
747 }
748 mr_free(tmp1);
749
750 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->scratchdir, bkpinfo->scratchdir);
751 if (run_program_and_log_output(tmp1, 1)) {
752 retval++;
753 mr_free(tmp1);
754 log_to_screen("Please don't specify a SAMBA or VFAT or NFS scratchdir.");
755 fatal_error("I cannot write to the scratchdir you specified.");
756 }
757 mr_free(tmp1);
758 }
759
760 if (flag_set['T']) {
761 setup_tmpdir(flag_val['T']);
762 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir);
763 i = run_program_and_log_output(tmp1, 1);
764 mr_free(tmp1);
765
766 if (i) {
767 retval++;
768 log_to_screen("Please specify a tempdir which I can write to. :)");
769 fatal_error("I cannot write to the tempdir you specified.");
770 }
771 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
772 i = run_program_and_log_output(tmp1, 1);
773 mr_free(tmp1);
774
775 if (i) {
776 retval++;
777 log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
778 fatal_error("I cannot write to the tempdir you specified.");
779 }
780 }
781
782 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
783 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
784 }
785
786 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
787 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
788 }
789
790 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
791 g_cd_recovery = TRUE;
792 }
793
794 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
795#ifdef __FreeBSD__
796# define BOOT_LOADER_CHARS "GLBMR"
797#else
798# ifdef __IA64__
799# define BOOT_LOADER_CHARS "GER"
800# else
801# define BOOT_LOADER_CHARS "GLR"
802# endif
803#endif
804 if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) {
805 log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader);
806 fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
807 }
808#undef BOOT_LOADER_CHARS
809 }
810
811 if (flag_set['f']) {
812 strncpy(bkpinfo->boot_device, resolve_softlinks_to_get_to_actual_device_file(flag_val['f']),MAX_STR_LEN / 4);
813 }
814
815 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
816 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
817 }
818
819 if (flag_set['Q']) {
820 i = which_boot_loader(tmp);
821 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
822 printf("boot loader is %c, residing at %s\n", i, tmp);
823 finish(0);
824 }
825
826 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
827 bkpinfo->use_lzo = TRUE;
828 if (run_program_and_log_output("which lzop", 2)) {
829 retval++;
830 log_to_screen("Please install LZOP. You can't use '-L' until you do.\n");
831 }
832 }
833
834 if (flag_set['F']) {
835 log_msg(3, "-F means we will fail immediately at the first interaction request");
836 g_fail_immediately = TRUE;
837 }
838
839 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
840 bkpinfo->use_gzip = TRUE;
841 if (run_program_and_log_output("which gzip", 2)) {
842 retval++;
843 log_to_screen("Please install gzip. You can't use '-G' until you do.\n");
844 }
845 }
846
847 if ((flag_set['Y']) && (! bkpinfo->restore_data)) {
848 bkpinfo->use_lzma = TRUE;
849 if (run_program_and_log_output("which lzma", 2)) {
850 retval++;
851 log_to_screen("Please install lzma. You can't use '-Y' until you do.\n");
852 }
853 }
854
855 bkpinfo->use_obdr = FALSE;
856 if (flag_set['o']) {
857 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
858 log_to_screen("OBDR support is only available for tapes. Use the -t option");
859 fatal_error("Aborting");
860 }
861 bkpinfo->use_obdr = TRUE;
862 }
863
864#ifndef __FreeBSD__
865 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
866 bkpinfo->make_cd_use_lilo = TRUE;
867 log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore");
868 log_to_screen("using LILO instead of SYSLINUX as the media boot loader.");
869 }
870 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
871 bkpinfo->make_cd_use_lilo = TRUE;
872#ifdef __IA32__
873 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
874 log_to_screen("your boot loader. I shall therefore use LILO instead.");
875#endif
876#ifdef __IA64__
877 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
878 log_to_screen("environment correctly. Please install it.");
879 fatal_error("Aborting");
880#endif
881 }
882#ifdef __IA64__
883 /* We force ELILO usage on IA64 */
884 bkpinfo->make_cd_use_lilo = TRUE;
885#endif
886#endif
887
888 if (! bkpinfo->restore_data) {
889 i = flag_set['O'] + flag_set['V'];
890 if (i == 0) {
891 retval++;
892 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
893 }
894 }
895
896 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
897 fatal_error("The -Z switch is only valid in restore mode");
898 }
899
900 if (flag_set['Z']) {
901 if (! strcmp(flag_val['Z'], "nuke")) {
902 bkpinfo->restore_mode = nuke;
903 } else if (! strcmp(flag_val['Z'], "interactive")) {
904 bkpinfo->restore_mode = interactive;
905 } else if (! strcmp(flag_val['Z'], "compare")) {
906 bkpinfo->restore_mode = compare;
907 } else if (! strcmp(flag_val['Z'], "mbr")) {
908 bkpinfo->restore_mode = mbr;
909 } else if (! strcmp(flag_val['Z'], "iso")) {
910 bkpinfo->restore_mode = isoonly;
911 } else if (! strcmp(flag_val['Z'], "isonuke")) {
912 bkpinfo->restore_mode = isonuke;
913 } else {
914 bkpinfo->restore_mode = interactive;
915 }
916 }
917
918/* and finally... */
919
920 paranoid_free(tmp);
921 return (retval);
922}
923
924
925
926/**
927 * Get the switches from @p argc and @p argv using getopt() and place them in
928 * @p flag_set and @p flag_val.
929 * @param argc The argument count (@p argc passed to main()).
930 * @param argv The argument vector (@p argv passed to main()).
931 * @param flag_val An array indexed by switch letter - if a switch is set and
932 * has an argument then set flag_val[switch] to that argument.
933 * @param flag_set An array indexed by switch letter - if a switch is set then
934 * set flag_set[switch] to TRUE, else set it to FALSE.
935 * @return The number of problems with the command line (0 for success).
936 */
937int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128])
938{
939 /*@ ints ** */
940 int opt = 0;
941 int i = 0;
942 int len;
943
944 /*@ bools *** */
945 bool bad_switches = FALSE;
946
947 assert(flag_val != NULL);
948 assert(flag_set != NULL);
949
950 for (i = 0; i < 128; i++) {
951 flag_val[i][0] = '\0';
952 flag_set[i] = FALSE;
953 }
954 while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) {
955 if (opt == '?') {
956 bad_switches = TRUE;
957 } else {
958 if (flag_set[opt]) {
959 bad_switches = TRUE;
960 log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]);
961 } else {
962 flag_set[opt] = TRUE;
963 if (optarg) {
964 len = strlen(optarg);
965 if (optarg[0] != '/' && optarg[len - 1] == '/') {
966 optarg[--len] = '\0';
967 log_to_screen
968 ("Warning - param '%s' should not have trailing slash!",
969 optarg);
970 }
971 if (opt == 'd') {
972 if (strchr(flag_val[opt], '/')
973 && flag_val[opt][0] != '/') {
974 log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
975 bad_switches = TRUE;
976 }
977 }
978 strcpy(flag_val[opt], optarg);
979 }
980 }
981 }
982 }
983 for (i = optind; i < argc; i++) {
984 bad_switches = TRUE;
985 log_to_screen("Invalid arg -- %s\n", argv[i]);
986 }
987 return (bad_switches);
988}
989
990
991
992
993/**
994 * Print a not-so-helpful help message and exit.
995 */
996void help_screen()
997{
998 log_msg(1, "Type 'man mondoarchive' for more information\n");
999 exit(1);
1000}
1001
1002
1003/**
1004 * Terminate Mondo in response to a signal.
1005 * @param sig The signal number received.
1006 */
1007void terminate_daemon(int sig)
1008{
1009 char *tmp = NULL;
1010 char *tmp2 = NULL;
1011
1012 switch (sig) {
1013 case SIGINT:
1014 mr_asprintf(tmp, "SIGINT");
1015 mr_asprintf(tmp2, "You interrupted me :-)");
1016 break;
1017 case SIGKILL:
1018 mr_asprintf(tmp, "SIGKILL");
1019 mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1020 break;
1021 case SIGTERM:
1022 mr_asprintf(tmp, "SIGTERM");
1023 mr_asprintf(tmp2, "Got terminate signal");
1024 break;
1025 case SIGHUP:
1026 mr_asprintf(tmp, "SIGHUP");
1027 mr_asprintf(tmp2, "Hangup on line");
1028 break;
1029 case SIGSEGV:
1030 mr_asprintf(tmp, "SIGSEGV");
1031 mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1032 break;
1033 case SIGPIPE:
1034 mr_asprintf(tmp, "SIGPIPE");
1035 mr_asprintf(tmp2, "Pipe was broken");
1036 break;
1037 case SIGABRT:
1038 mr_asprintf(tmp, "SIGABRT");
1039 mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1040 break;
1041 default:
1042 mr_asprintf(tmp, "(Unknown)");
1043 mr_asprintf(tmp2, "(Unknown)");
1044 }
1045
1046 mr_strcat(tmp, " signal received from OS");
1047 log_to_screen(tmp);
1048 mr_free(tmp);
1049
1050 log_to_screen(tmp2);
1051 mr_free(tmp2);
1052 if (sig == SIGABRT) {
1053 sleep(10);
1054 }
1055 kill_buffer();
1056
1057 free_MR_global_filenames();
1058
1059 fatal_error("MondoRescue is terminating in response to a signal from the OS");
1060 finish(254); // just in case
1061}
1062
1063
1064
1065
1066/**
1067 * Turn signal-trapping on or off.
1068 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1069 */
1070void set_signals(int on)
1071{
1072 int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1073 int i;
1074
1075 signal(SIGPIPE, sigpipe_occurred);
1076 for (i = 0; signals[i]; i++) {
1077 if (on) {
1078 signal(signals[i], terminate_daemon);
1079 } else {
1080 signal(signals[i], termination_in_progress);
1081 }
1082 }
1083}
1084
1085
1086
1087
1088/**
1089 * Exit immediately without cleaning up.
1090 * @param sig The signal we are exiting due to.
1091 */
1092void termination_in_progress(int sig)
1093{
1094 log_msg(1, "Termination in progress");
1095 usleep(1000);
1096 pthread_exit(0);
1097}
1098
1099/* @} - end of cliGroup */
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