source: MondoRescue/branches/3.2/mondo/src/common/libmondo-cli.c@ 3413

Last change on this file since 3413 was 3413, checked in by Bruno Cornec, 9 years ago

Fix remaining compilation warnings
  • Property svn:keywords set to Id
File size: 32.1 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 3413 2015-08-09 04:15:26Z 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 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 *);
47extern t_boot mr_boot_type(void);
48
49/* Do we use extended attributes and acl ?
50 * By default no, use -z option to force their usage */
51extern char *g_getfacl;
52extern char *g_getfattr;
53
54/* Reference to global bkpinfo */
55extern struct s_bkpinfo *bkpinfo;
56
57extern void free_MR_global_filenames(void);
58
59long g_max_biggie_size = BIGGIEMAXSIZE;
60
61/**
62 * @addtogroup cliGroup
63 * @{
64 */
65/**
66 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
67 * @param argc The argument count, including the program name; @p argc passed to main().
68 * @param argv The argument vector; @p argv passed to main().
69 * @param bkpinfo The backup information structure to populate.
70 * @return The number of problems with the command line (0 for success).
71 */
72int
73handle_incoming_parameters(int argc, char *argv[])
74{
75 /*@ int *** */
76 int res = 0;
77 int retval = 0;
78 int i = 0;
79
80 /*@ buffers *************** */
81 char flag_val[128][MAX_STR_LEN];
82 bool flag_set[128];
83
84 for (i = 0; i < 128; i++) {
85 flag_val[i][0] = '\0';
86 flag_set[i] = FALSE;
87 }
88 bkpinfo->media_size = 650; /* default */
89 res = retrieve_switches_from_command_line(argc, argv, flag_val, flag_set);
90 retval += res;
91 if (!retval) {
92 res = process_switches(flag_val, flag_set);
93 retval += res;
94 }
95
96 log_msg(3, "Switches:-");
97 for (i = 0; i < 128; i++) {
98 if (flag_set[i]) {
99 log_msg(3, "-%c %s", i, flag_val[i]);
100 }
101 }
102 bkpinfo->boot_type = mr_boot_type();
103
104 return (retval);
105}
106
107
108/**
109 * Store the sizespec(s) stored in @p value into @p bkpinfo.
110 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
111 * @param value The sizespec (e.g. "2g", "40m").
112 * @return 0, always.
113 * @bug Return code not needed.
114 */
115int process_the_s_switch(char *value)
116{
117 assert(bkpinfo != NULL);
118 assert(value != NULL);
119
120 bkpinfo->media_size = -1; /* dummy value */
121 bkpinfo->media_size = friendly_sizestr_to_sizelong(value);
122 log_msg(3, "media_size = %ld", bkpinfo->media_size);
123 if (bkpinfo->media_size <= 0) {
124 log_msg(1, "You gave media an invalid size %s", value);
125 return (-1);
126 }
127 return (0);
128}
129
130/**
131 * Process mondoarchive's command-line switches.
132 * @param bkpinfo The backup information structure to populate.
133 * @param flag_val An array of the argument passed to each switch (the letter is the index).
134 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
135 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
136 * FALSE if it's not.
137 * @return The number of problems with the switches, or 0 for success.
138 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
139 */
140int
141process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
142{
143
144 /*@ ints *** */
145 int i = 0;
146 int retval = 0;
147
148 /*@ buffers ** */
149 char *tmp = NULL;
150 char *tmp1 = NULL;
151 char *tmp2 = NULL;
152 char *psz = NULL;
153 char *p = NULL;
154 char *q = NULL;
155
156 long itbs = 0L;
157
158 struct stat buf;
159
160 malloc_string(tmp);
161
162 assert(bkpinfo != NULL);
163 assert(flag_val != NULL);
164 assert(flag_set != NULL);
165
166 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
167
168 /* compulsory */
169 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
170 flag_set['t'] + flag_set['u'] + flag_set['r'] +
171 flag_set['w'] + flag_set['C'] + flag_set['U'];
172 if ((i == 0) && (! bkpinfo->restore_data)) {
173 retval++;
174 log_to_screen("You must specify the media type\n");
175 }
176 if (i > 1) {
177 retval++;
178 log_to_screen("Please specify only one media type\n");
179 }
180
181 if (flag_set['K']) {
182 g_loglevel = atoi(flag_val['K']);
183 log_msg(1,"Loglevel forced to %d",g_loglevel);
184 if (g_loglevel < 3) {
185 g_loglevel = 3;
186 }
187 }
188
189 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
190 retval++;
191 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
192 }
193 if (! bkpinfo->restore_data) {
194 bkpinfo->backup_data = flag_set['O'];
195 }
196 bkpinfo->verify_data = flag_set['V'];
197
198 if (flag_set['I'] && !bkpinfo->backup_data) {
199 log_to_screen("-I switch is ignored if just verifying");
200 }
201 if (flag_set['E'] && !bkpinfo->backup_data) {
202 log_to_screen("-E switch is ignored if just verifying");
203 }
204
205 if (!find_home_of_exe("afio")) {
206 if (find_home_of_exe("star")) {
207 flag_set['R'] = TRUE;
208 log_msg(1, "Using star instead of afio");
209 } else {
210 fatal_error("Neither afio nor star is installed. Please install at least one.");
211 }
212 }
213
214 if (flag_set['R']) {
215 bkpinfo->use_star = TRUE;
216 if (flag_set['L']) {
217 fatal_error("You may not use star and lzop at the same time.");
218 }
219 if (!find_home_of_exe("star")) {
220 fatal_error("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
221 }
222 }
223
224 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
225 bkpinfo->nonbootable_backup = TRUE;
226 log_to_screen("Warning - you have opted for non-bootable backup");
227 if (flag_set['f'] || flag_set['l']) {
228 log_to_screen
229 ("You don't need to specify bootloader or bootdevice");
230 }
231 }
232
233 if (flag_set['I']) {
234 if (flag_val['I'][0] == '-') {
235 retval++;
236 log_to_screen("Please supply a sensible value with '-I'\n");
237 }
238 if (!strcmp(flag_val['I'],"/")) {
239 log_msg(2, "'/' is pleonastic.");
240 }
241 if (bkpinfo->include_paths && bkpinfo->include_paths[0]) {
242 mr_strcat(bkpinfo->include_paths, "|");
243 }
244
245 mr_asprintf(tmp1, "%s", flag_val['I']);
246 p = tmp1;
247 q = tmp1;
248
249 /* Cut the flag_val['I'] in parts containing all paths to test them */
250 while (p != NULL) {
251 q = strchr(p, '|');
252 if (q != NULL) {
253 *q = '\0';
254 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
255 log_msg(1, "ERROR ! %s doesn't exist", p);
256 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
257 }
258 p = q+1 ;
259 } else {
260 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
261 log_msg(1, "ERROR ! %s doesn't exist", p);
262 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
263 }
264 p = NULL;
265 }
266 }
267 mr_free(tmp1);
268 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
269 log_msg(4, "Finished with the -I option");
270 }
271
272 if (g_kernel_version >= 2.6 && !flag_set['d'] && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
273 fatal_error("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
274 }
275
276
277 if (flag_set['J']) {
278 if (flag_set['I']) {
279 retval++;
280 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. :-)");
281 }
282 bkpinfo->make_filelist = FALSE;
283 mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']);
284 }
285
286 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
287 if (!flag_set['r'] && g_kernel_version <= 2.5 && strstr(flag_val['d'], "/dev/")) {
288 fatal_error("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
289 }
290 if (flag_set['r'] && g_kernel_version <= 2.5 && !strstr(flag_val['d'], "/dev/")) {
291 fatal_error("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
292 }
293 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
294 log_to_screen("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
295 }
296
297 if (system("which cdrecord > /dev/null 2> /dev/null") && system("which dvdrecord > /dev/null 2> /dev/null")) {
298 fatal_error("Please install dvdrecord/cdrecord and try again.");
299 }
300 if (flag_set['C']) {
301 bkpinfo->cdrw_speed = atoi(flag_val['C']);
302 if (bkpinfo->cdrw_speed < 1) {
303 fatal_error("You specified a silly speed for a CD-R[W] drive");
304 }
305 if (!flag_set['L']) {
306 log_to_screen("You must use -L with -C. Therefore I am setting it for you.");
307 flag_set['L'] = 1;
308 flag_val['L'][0] = '\0';
309 }
310 } else {
311 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
312 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
313 if (flag_set['c']) {
314 bkpinfo->cdrw_speed = atoi(flag_val['c']);
315 } else if (flag_set['w']) {
316 bkpinfo->cdrw_speed = atoi(flag_val['w']);
317 } else if (flag_set['r']) {
318 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
319 }
320
321 if (bkpinfo->cdrw_speed < 1) {
322 fatal_error("You specified a silly speed for a CD-R[W] drive");
323 }
324 }
325 }
326
327 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
328 log_it("Hmm! No tape drive specified. Let's see what we can do.");
329 if (find_tape_device_and_size(flag_val['d'], tmp)) {
330 fatal_error("Tape device not specified. I couldn't find it either.");
331 }
332 flag_set['d'] = TRUE;
333 log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", flag_val['d']);
334 }
335
336 if (flag_set['U']) // USB
337 {
338 if (! flag_set['d']) {
339 fatal_error("You need to specify a device file with -d for bootable USB device usage");
340 }
341 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
342 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
343 }
344 }
345
346 if (flag_set['r']) // DVD
347 {
348 if (flag_set['m']) {
349 fatal_error("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
350 }
351 if (!flag_set['d']) {
352 if (!find_dvd_device(flag_val['d'], FALSE)) {
353 flag_set['d'] = TRUE;
354 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
355 }
356 }
357 if (strchr(flag_val['d'], ',')) {
358 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
359 }
360 if (! bkpinfo->restore_data) {
361 if (!find_home_of_exe("growisofs")) {
362 fatal_error("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
363 }
364 if (!find_home_of_exe("dvd+rw-format")) {
365 fatal_error("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
366 }
367 if (!flag_set['s']) {
368 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
369 strcat(flag_val['s'], "m");
370 log_to_screen("You did not specify a size (-s) for DVD. I'm guessing %s.", flag_val['s']);
371 flag_set['s'] = 1;
372 }
373 }
374 }
375
376 if (flag_set['t'] || flag_set['u']) { /* tape size */
377 if (strchr(flag_val['d'], ',')) {
378 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
379 }
380 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
381 if (flag_set['s']) {
382 if (flag_set['t']) {
383 fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
384 }
385 if (process_the_s_switch(flag_val['s'])) {
386 fatal_error("Bad -s switch");
387 }
388 } else if (flag_set['u'] || flag_set['t']) {
389 bkpinfo->media_size = 0;
390 } else {
391 retval++;
392 log_to_screen("Tape size not specified.\n");
393 }
394 }
395 } else if (! bkpinfo->restore_data) { /* CD|USB size */
396 if (flag_set['s']) {
397 if (process_the_s_switch(flag_val['s'])) {
398 fatal_error("Bad -s switch");
399 }
400 }
401 if (flag_set['w']) {
402 bkpinfo->wipe_media_first = TRUE;
403 } /* CD-RW */
404 }
405
406 if (flag_set['n']) {
407 mr_free(bkpinfo->netfs_mount);
408 mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']);
409 if (!flag_set['d']) {
410 mr_free(bkpinfo->netfs_remote_dir);
411 mr_asprintf(bkpinfo->netfs_remote_dir, "/");
412 strncpy(bkpinfo->isodir, ".", MAX_STR_LEN / 4);
413 }
414 /* test for protocol */
415 p = strstr(bkpinfo->netfs_mount, "://");
416 if (p == NULL) {
417 /* protocol not found assuming NFS for compatibility */
418 mr_asprintf(q,"nfs");
419
420 p = strchr(bkpinfo->netfs_mount, ':');
421 if (p == NULL) {
422 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
423 }
424 /* p points on to the string server:/path */
425 p = bkpinfo->netfs_mount;
426
427 } else {
428 /* Isolate the protocol */
429 *p = '\0';
430 mr_asprintf(q,"%s",bkpinfo->netfs_mount);
431
432 /* Skip proto now */
433 p++;
434 p++;
435 p++;
436 }
437 /* whatever done before proto is pointed to by q */
438 bkpinfo->netfs_proto = q;
439
440 /* p points on to the string server:/path */
441 /* Store the 2 values */
442 /* using memmove instead of strcpy as per #584 */
443 /* memmove(bkpinfo->netfs_mount, p, MAX_STR_LEN); */
444 bkpinfo->netfs_mount = p;
445
446 /* test if we specified a user */
447 p = strchr(bkpinfo->netfs_mount, '@');
448 if (p != NULL) {
449 /* User found. Store the 2 values */
450 bkpinfo->netfs_user = bkpinfo->netfs_mount;
451 p++;
452 /* new netfs mount */
453 mr_asprintf(bkpinfo->netfs_mount, "%s", p);
454 /* now that user is computed, create the right value by removing end of string */
455 p--;
456 *p = '\0';
457 }
458 if (bkpinfo->netfs_user != NULL) {
459 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
460 } else {
461 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
462 }
463 strncpy(bkpinfo->isodir, call_program_and_get_last_line_of_output(tmp1), MAX_STR_LEN / 4);
464 mr_free(tmp1);
465
466 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
467 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
468 if (bkpinfo->netfs_user) {
469 log_msg(3, "user = %s", bkpinfo->netfs_user);
470 }
471 log_msg(3, "isodir= %s", bkpinfo->isodir);
472
473 if (strlen(bkpinfo->isodir) < 3) {
474 log_to_screen("Network share %s is not mounted. Trying to mount it for you.\n",bkpinfo->netfs_mount);
475 if (bkpinfo->netfs_user) {
476 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
477 mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
478 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
479 mr_asprintf(tmp1, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user);
480 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
481 mr_asprintf(tmp1, "mount %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
482 } else {
483 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
484 fatal_error("Bad Protocol\n");
485 }
486 } else {
487 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
488 mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount);
489 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
490 mr_asprintf(tmp1, "mount -t cifs %s", bkpinfo->netfs_mount);
491 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
492 mr_asprintf(tmp1, "mount %s", bkpinfo->netfs_mount);
493 } else {
494 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
495 fatal_error("Bad Protocol\n");
496 }
497 }
498 i = system(tmp1);
499 mr_free(tmp1);
500
501 if (i) {
502 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
503 retval++;
504 } else {
505 if (bkpinfo->netfs_user) {
506 mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
507 } else {
508 mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
509 }
510 strncpy(bkpinfo->isodir, call_program_and_get_last_line_of_output(tmp), MAX_STR_LEN / 4);
511 if (strlen(bkpinfo->isodir) < 3) {
512 retval++;
513 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
514 }
515 }
516 }
517 }
518
519 if (flag_set['c']) {
520 bkpinfo->backup_media_type = cdr;
521 }
522 if (flag_set['C']) {
523 bkpinfo->backup_media_type = cdstream;
524 }
525 if (flag_set['i']) {
526 bkpinfo->backup_media_type = iso;
527 }
528 if (flag_set['n']) {
529 bkpinfo->backup_media_type = netfs;
530 /* Never try to eject a Network device */
531 bkpinfo->please_dont_eject = TRUE;
532 }
533 if (flag_set['r']) {
534 bkpinfo->backup_media_type = dvd;
535 }
536 if (flag_set['t']) {
537 bkpinfo->backup_media_type = tape;
538 }
539 if (flag_set['u']) {
540 bkpinfo->backup_media_type = udev;
541 }
542 if (flag_set['w']) {
543 bkpinfo->backup_media_type = cdrw;
544 }
545 if (flag_set['U']) {
546 bkpinfo->backup_media_type = usb;
547 /* Never try to eject a USB device */
548 bkpinfo->please_dont_eject = TRUE;
549 }
550 if (flag_set['z']) {
551 if (find_home_of_exe("getfattr")) {
552 mr_asprintf(g_getfattr,"getfattr");
553 }
554 if (find_home_of_exe("getfacl")) {
555 mr_asprintf(g_getfacl,"getfacl");
556 }
557 }
558
559 /* optional, popular */
560 if (flag_set['g']) {
561 g_text_mode = FALSE;
562 }
563
564 if (flag_set['E']) {
565 if ((flag_val['E'][0] == '-')) {
566 retval++;
567 log_to_screen("Please supply a sensible value with '-E'\n");
568 }
569 mr_asprintf(tmp1, "%s", flag_val['E']);
570
571 p = tmp1;
572 q = tmp1;
573
574 /* Cut the flag_val['E'] in parts containing all paths to test them */
575 while (p != NULL) {
576 q = strchr(p, '|');
577 if (q != NULL) {
578 *q = '\0';
579 /* Fix bug 14 where ending / cause a problem later
580 * so handled here for the moment */
581 q--;
582 if (*q == '/') {
583 *q = '\0';
584 }
585 q++;
586 /* End of bug fix */
587 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
588 log_msg(1, "WARNING ! %s doesn't exist", p);
589 }
590 p = q+1 ;
591 } else {
592 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
593 log_msg(1, "WARNING ! %s doesn't exist", p);
594 }
595 p = NULL;
596 }
597 }
598 mr_free(tmp1);
599
600 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
601 log_msg(4, "Finished with the -E option");
602 }
603
604 if (flag_set['e']) {
605 bkpinfo->please_dont_eject = TRUE;
606 }
607
608 if (flag_set['M']) {
609 g_max_biggie_size = atol(flag_val['M']);
610 log_msg(1, "Max size for biggie file is now %ld KB", g_max_biggie_size);
611 }
612
613 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
614 {
615 psz = list_of_NETFS_mounts_only();
616 log_msg(5, "-N means we'll exclude %s", psz);
617 if (bkpinfo->exclude_paths) {
618 mr_strcat(bkpinfo->exclude_paths, "|%s", psz);
619 mr_free(psz);
620 } else {
621 bkpinfo->exclude_paths = psz;
622 }
623
624 if (bkpinfo->exclude_paths != NULL) {
625 log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths);
626 }
627 }
628
629 if (flag_set['b']) {
630 mr_asprintf(psz, "%s", flag_val['b']);
631 log_msg(1, "psz = '%s'", psz);
632 if (psz[strlen(psz) - 1] == 'k') {
633 psz[strlen(psz) - 1] = '\0';
634 itbs = atol(psz) * 1024L;
635 } else {
636 itbs = atol(psz);
637 }
638 mr_free(psz);
639 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
640 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
641 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
642 fatal_error("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
643 }
644 bkpinfo->internal_tape_block_size = itbs;
645 }
646
647 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
648 bkpinfo->differential = 1;
649// bkpinfo->differential = atoi (flag_val['D']);
650 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
651 fatal_error("The D option should be between 1 and 9 inclusive");
652 }
653 }
654
655 if (flag_set['x']) {
656 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
657 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
658 fatal_error("Please install ntfsprogs package/tarball.");
659 }
660 }
661
662 if (flag_set['m']) {
663 bkpinfo->manual_cd_tray = TRUE;
664 }
665
666 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
667 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
668 if (!does_file_exist(bkpinfo->kernel_path)) {
669 retval++;
670 log_to_screen("You specified kernel '%s', which does not exist\n", bkpinfo->kernel_path);
671 }
672 }
673
674 if (flag_set['p']) {
675 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
676 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
677 }
678
679 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
680 if (flag_set['i']) {
681 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
682 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
683 if (run_program_and_log_output(tmp, 2)) {
684 fatal_error("output folder does not exist - please create it");
685 }
686 } else if (flag_set['n']) {
687 mr_free(bkpinfo->netfs_remote_dir);
688 mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']);
689 } else { /* backup device (if tape/CD-R/CD-RW) */
690 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
691 }
692 }
693
694 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
695 mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
696 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
697 mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
698 } else {
699 mr_asprintf(tmp2, "echo hi > %s", tmp1);
700 }
701 i = run_program_and_log_output(tmp2, 2);
702 mr_free(tmp2);
703
704 if (i) {
705 retval++;
706 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);
707 }
708 unlink(tmp1);
709 mr_free(tmp1);
710 }
711
712 if (!flag_set['d'] && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
713 if (g_kernel_version >= 2.6) {
714 if (popup_and_get_string
715 ("Device", "Please specify the device",
716 bkpinfo->media_device, MAX_STR_LEN / 4)) {
717 retval++;
718 log_to_screen("User opted to cancel.");
719 }
720 } else if (find_cdrw_device(bkpinfo->media_device)) {
721 retval++;
722 log_to_screen
723 ("Tried and failed to find CD-R[W] drive automatically.\n");
724 } else {
725 flag_set['d'] = TRUE;
726 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
727 }
728 }
729
730 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
731 retval++;
732 log_to_screen("Please specify the backup device/directory.\n");
733 fatal_error("You didn't use -d to specify the backup device/directory.");
734 }
735
736 for (i = '0'; i <= '9'; i++) {
737 if (flag_set[i]) {
738 bkpinfo->compression_level = i - '0';
739 } /* not '\0' but '0' */
740 }
741
742 if (flag_set['S']) {
743 setup_scratchdir(flag_val['S']);
744 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->scratchdir);
745 if (run_program_and_log_output(tmp1, 1)) {
746 retval++;
747 mr_free(tmp1);
748 log_to_screen("Please specify a scratchdir which I can write to. :)");
749 fatal_error("I cannot write to the scratchdir you specified.");
750 }
751 mr_free(tmp1);
752
753 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->scratchdir, bkpinfo->scratchdir);
754 if (run_program_and_log_output(tmp1, 1)) {
755 retval++;
756 mr_free(tmp1);
757 log_to_screen("Please don't specify a SAMBA or VFAT or NFS scratchdir.");
758 fatal_error("I cannot write to the scratchdir you specified.");
759 }
760 mr_free(tmp1);
761 }
762
763 if (flag_set['T']) {
764 setup_tmpdir(flag_val['T']);
765 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir);
766 i = run_program_and_log_output(tmp1, 1);
767 mr_free(tmp1);
768
769 if (i) {
770 retval++;
771 log_to_screen("Please specify a tempdir which I can write to. :)");
772 fatal_error("I cannot write to the tempdir you specified.");
773 }
774 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
775 i = run_program_and_log_output(tmp1, 1);
776 mr_free(tmp1);
777
778 if (i) {
779 retval++;
780 log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
781 fatal_error("I cannot write to the tempdir you specified.");
782 }
783 }
784
785 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
786 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
787 }
788
789 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
790 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
791 }
792
793 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
794 g_cd_recovery = TRUE;
795 }
796
797 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
798#ifdef __FreeBSD__
799# define BOOT_LOADER_CHARS "GLBMR"
800#else
801# ifdef __IA64__
802# define BOOT_LOADER_CHARS "GER"
803# else
804# define BOOT_LOADER_CHARS "GLR"
805# endif
806#endif
807 if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) {
808 log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader);
809 fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
810 }
811#undef BOOT_LOADER_CHARS
812 }
813
814 if (flag_set['f']) {
815 mr_free(bkpinfo->boot_device);
816 mr_asprintf(bkpinfo->boot_device, "%s", resolve_softlinks_to_get_to_actual_device_file(flag_val['f']));
817 }
818
819 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
820 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
821 }
822
823 if (flag_set['Q']) {
824 i = which_boot_loader(tmp);
825 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
826 printf("boot loader is %c, residing at %s\n", i, tmp);
827 finish(0);
828 }
829
830 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
831 bkpinfo->use_lzo = TRUE;
832 if (run_program_and_log_output("which lzop", 2)) {
833 retval++;
834 log_to_screen("Please install LZOP. You can't use '-L' until you do.\n");
835 }
836 }
837
838 if (flag_set['F']) {
839 log_msg(3, "-F means we will fail immediately at the first interaction request");
840 g_fail_immediately = TRUE;
841 }
842
843 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
844 bkpinfo->use_gzip = TRUE;
845 if (run_program_and_log_output("which gzip", 2)) {
846 retval++;
847 log_to_screen("Please install gzip. You can't use '-G' until you do.\n");
848 }
849 }
850
851 if ((flag_set['Y']) && (! bkpinfo->restore_data)) {
852 bkpinfo->use_lzma = TRUE;
853 if (run_program_and_log_output("which lzma", 2)) {
854 retval++;
855 log_to_screen("Please install lzma. You can't use '-Y' until you do.\n");
856 }
857 }
858
859 bkpinfo->use_obdr = FALSE;
860 if (flag_set['o']) {
861 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
862 log_to_screen("OBDR support is only available for tapes. Use the -t option");
863 fatal_error("Aborting");
864 }
865 bkpinfo->use_obdr = TRUE;
866 }
867
868#ifndef __FreeBSD__
869 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
870 bkpinfo->make_cd_use_lilo = TRUE;
871 log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore");
872 log_to_screen("using LILO instead of SYSLINUX as the media boot loader.");
873 }
874 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
875 bkpinfo->make_cd_use_lilo = TRUE;
876#ifdef __IA32__
877 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
878 log_to_screen("your boot loader. I shall therefore use LILO instead.");
879#endif
880#ifdef __IA64__
881 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
882 log_to_screen("environment correctly. Please install it.");
883 fatal_error("Aborting");
884#endif
885 }
886#ifdef __IA64__
887 /* We force ELILO usage on IA64 */
888 bkpinfo->make_cd_use_lilo = TRUE;
889#endif
890#endif
891
892 if (! bkpinfo->restore_data) {
893 i = flag_set['O'] + flag_set['V'];
894 if (i == 0) {
895 retval++;
896 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
897 }
898 }
899
900 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
901 fatal_error("The -Z switch is only valid in restore mode");
902 }
903
904 if (flag_set['Z']) {
905 if (! strcmp(flag_val['Z'], "nuke")) {
906 bkpinfo->restore_mode = nuke;
907 } else if (! strcmp(flag_val['Z'], "interactive")) {
908 bkpinfo->restore_mode = interactive;
909 } else if (! strcmp(flag_val['Z'], "compare")) {
910 bkpinfo->restore_mode = compare;
911 } else if (! strcmp(flag_val['Z'], "mbr")) {
912 bkpinfo->restore_mode = mbr;
913 } else if (! strcmp(flag_val['Z'], "iso")) {
914 bkpinfo->restore_mode = isoonly;
915 } else if (! strcmp(flag_val['Z'], "isonuke")) {
916 bkpinfo->restore_mode = isonuke;
917 } else {
918 bkpinfo->restore_mode = interactive;
919 }
920 }
921
922/* and finally... */
923
924 paranoid_free(tmp);
925 return (retval);
926}
927
928
929
930/**
931 * Get the switches from @p argc and @p argv using getopt() and place them in
932 * @p flag_set and @p flag_val.
933 * @param argc The argument count (@p argc passed to main()).
934 * @param argv The argument vector (@p argv passed to main()).
935 * @param flag_val An array indexed by switch letter - if a switch is set and
936 * has an argument then set flag_val[switch] to that argument.
937 * @param flag_set An array indexed by switch letter - if a switch is set then
938 * set flag_set[switch] to TRUE, else set it to FALSE.
939 * @return The number of problems with the command line (0 for success).
940 */
941int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128])
942{
943 /*@ ints ** */
944 int opt = 0;
945 int i = 0;
946 int len;
947
948 /*@ bools *** */
949 bool bad_switches = FALSE;
950
951 assert(flag_val != NULL);
952 assert(flag_set != NULL);
953
954 for (i = 0; i < 128; i++) {
955 flag_val[i][0] = '\0';
956 flag_set[i] = FALSE;
957 }
958 while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) {
959 if (opt == '?') {
960 bad_switches = TRUE;
961 } else {
962 if (flag_set[opt]) {
963 bad_switches = TRUE;
964 log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]);
965 } else {
966 flag_set[opt] = TRUE;
967 if (optarg) {
968 len = strlen(optarg);
969 if (optarg[0] != '/' && optarg[len - 1] == '/') {
970 optarg[--len] = '\0';
971 log_to_screen
972 ("Warning - param '%s' should not have trailing slash!",
973 optarg);
974 }
975 if (opt == 'd') {
976 if (strchr(flag_val[opt], '/')
977 && flag_val[opt][0] != '/') {
978 log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
979 bad_switches = TRUE;
980 }
981 }
982 strcpy(flag_val[opt], optarg);
983 }
984 }
985 }
986 }
987 for (i = optind; i < argc; i++) {
988 bad_switches = TRUE;
989 log_to_screen("Invalid arg -- %s\n", argv[i]);
990 }
991 return (bad_switches);
992}
993
994
995
996
997/**
998 * Print a not-so-helpful help message and exit.
999 */
1000void help_screen()
1001{
1002 log_msg(1, "Type 'man mondoarchive' for more information");
1003 exit(1);
1004}
1005
1006
1007/**
1008 * Terminate Mondo in response to a signal.
1009 * @param sig The signal number received.
1010 */
1011void terminate_daemon(int sig)
1012{
1013 char *tmp = NULL;
1014 char *tmp2 = NULL;
1015
1016 switch (sig) {
1017 case SIGINT:
1018 mr_asprintf(tmp, "SIGINT");
1019 mr_asprintf(tmp2, "You interrupted me :-)");
1020 break;
1021 case SIGKILL:
1022 mr_asprintf(tmp, "SIGKILL");
1023 mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1024 break;
1025 case SIGTERM:
1026 mr_asprintf(tmp, "SIGTERM");
1027 mr_asprintf(tmp2, "Got terminate signal");
1028 break;
1029 case SIGHUP:
1030 mr_asprintf(tmp, "SIGHUP");
1031 mr_asprintf(tmp2, "Hangup on line");
1032 break;
1033 case SIGSEGV:
1034 mr_asprintf(tmp, "SIGSEGV");
1035 mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1036 break;
1037 case SIGPIPE:
1038 mr_asprintf(tmp, "SIGPIPE");
1039 mr_asprintf(tmp2, "Pipe was broken");
1040 break;
1041 case SIGABRT:
1042 mr_asprintf(tmp, "SIGABRT");
1043 mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1044 break;
1045 default:
1046 mr_asprintf(tmp, "(Unknown)");
1047 mr_asprintf(tmp2, "(Unknown)");
1048 }
1049
1050 mr_strcat(tmp, " signal received from OS");
1051 log_to_screen(tmp);
1052 mr_free(tmp);
1053
1054 log_to_screen(tmp2);
1055 mr_free(tmp2);
1056 if (sig == SIGABRT) {
1057 sleep(10);
1058 }
1059 kill_buffer();
1060
1061 free_MR_global_filenames();
1062
1063 fatal_error("MondoRescue is terminating in response to a signal from the OS");
1064 finish(254); // just in case
1065}
1066
1067
1068
1069
1070/**
1071 * Turn signal-trapping on or off.
1072 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1073 */
1074void set_signals(int on)
1075{
1076 int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1077 int i;
1078
1079 signal(SIGPIPE, sigpipe_occurred);
1080 for (i = 0; signals[i]; i++) {
1081 if (on) {
1082 signal(signals[i], terminate_daemon);
1083 } else {
1084 signal(signals[i], termination_in_progress);
1085 }
1086 }
1087}
1088
1089
1090
1091
1092/**
1093 * Exit immediately without cleaning up.
1094 * @param sig The signal we are exiting due to.
1095 */
1096void termination_in_progress(int sig)
1097{
1098 log_msg(1, "Termination in progress");
1099 usleep(1000);
1100 pthread_exit(0);
1101}
1102
1103/* @} - end of cliGroup */
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