source: MondoRescue/branches/3.3/mondo/src/common/libmondo-cli.c@ 3866

Last change on this file since 3866 was 3866, checked in by Bruno Cornec, 5 months ago

Change find_my_editor and find_home_of_exe to return dynamically assigned stringsi - adapt whine_if_not_found

  • Property svn:keywords set to Id
File size: 32.2 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 3866 2024-03-07 12:55:18Z 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 char *mr_popup_and_get_string(const char *, const char *, const char *);
48extern char *call_program_and_get_last_line_of_output(const char *);
49
50extern t_boot mr_boot_type(void);
51
52/* Do we use extended attributes and acl ?
53 * By default no, use -z option to force their usage */
54extern char *g_getfacl;
55extern char *g_getfattr;
56
57/* Reference to global bkpinfo */
58extern struct s_bkpinfo *bkpinfo;
59
60extern void free_MR_global_filenames(void);
61
62long g_max_biggie_size = BIGGIEMAXSIZE;
63
64/**
65 * @addtogroup cliGroup
66 * @{
67 */
68/**
69 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
70 * @param argc The argument count, including the program name; @p argc passed to main().
71 * @param argv The argument vector; @p argv passed to main().
72 * @param bkpinfo The backup information structure to populate.
73 * @return The number of problems with the command line (0 for success).
74 */
75int
76handle_incoming_parameters(int argc, char *argv[])
77{
78 /*@ int *** */
79 int res = 0;
80 int retval = 0;
81 int i = 0;
82
83 /*@ buffers *************** */
84 char flag_val[128][MAX_STR_LEN];
85 bool flag_set[128];
86
87 for (i = 0; i < 128; i++) {
88 flag_val[i][0] = '\0';
89 flag_set[i] = FALSE;
90 }
91 bkpinfo->media_size = 650; /* default */
92 res = retrieve_switches_from_command_line(argc, argv, flag_val, flag_set);
93 retval += res;
94 if (!retval) {
95 res = process_switches(flag_val, flag_set);
96 retval += res;
97 }
98
99 log_msg(3, "Switches:-");
100 for (i = 0; i < 128; i++) {
101 if (flag_set[i]) {
102 log_msg(3, "-%c %s", i, flag_val[i]);
103 }
104 }
105 bkpinfo->boot_type = mr_boot_type();
106
107 return (retval);
108}
109
110
111/**
112 * Store the sizespec(s) stored in @p value into @p bkpinfo.
113 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
114 * @param value The sizespec (e.g. "2g", "40m").
115 * @return 0, always.
116 * @bug Return code not needed.
117 */
118int process_the_s_switch(char *value)
119{
120 assert(bkpinfo != NULL);
121 assert(value != NULL);
122
123 bkpinfo->media_size = -1; /* dummy value */
124 bkpinfo->media_size = friendly_sizestr_to_sizelong(value);
125 log_msg(3, "media_size = %ld", bkpinfo->media_size);
126 if (bkpinfo->media_size <= 0) {
127 log_msg(1, "You gave media an invalid size %s", value);
128 return (-1);
129 }
130 return (0);
131}
132
133/**
134 * Process mondoarchive's command-line switches.
135 * @param bkpinfo The backup information structure to populate.
136 * @param flag_val An array of the argument passed to each switch (the letter is the index).
137 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
138 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
139 * FALSE if it's not.
140 * @return The number of problems with the switches, or 0 for success.
141 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
142 */
143int
144process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
145{
146
147 /*@ ints *** */
148 int i = 0;
149 int retval = 0;
150
151 /*@ buffers ** */
152 char *tmp = NULL;
153 char *tmp1 = NULL;
154 char *tmp2 = NULL;
155 char *psz = NULL;
156 char *p = NULL;
157 char *q = NULL;
158 char *q2 = NULL;
159
160 long itbs = 0L;
161
162 struct stat buf;
163
164 malloc_string(tmp);
165
166 assert(bkpinfo != NULL);
167 assert(flag_val != NULL);
168 assert(flag_set != NULL);
169
170 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
171
172 /* compulsory */
173 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
174 flag_set['t'] + flag_set['u'] + flag_set['r'] +
175 flag_set['w'] + flag_set['C'] + flag_set['U'];
176 if ((i == 0) && (! bkpinfo->restore_data)) {
177 retval++;
178 log_to_screen("You must specify the media type\n");
179 }
180 if (i > 1) {
181 retval++;
182 log_to_screen("Please specify only one media type\n");
183 }
184
185 if (flag_set['K']) {
186 g_loglevel = atoi(flag_val['K']);
187 log_msg(1,"Loglevel forced to %d",g_loglevel);
188 if (g_loglevel < 3) {
189 g_loglevel = 3;
190 }
191 }
192
193 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
194 retval++;
195 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
196 }
197 if (! bkpinfo->restore_data) {
198 bkpinfo->backup_data = flag_set['O'];
199 }
200 bkpinfo->verify_data = flag_set['V'];
201
202 if (flag_set['I'] && !bkpinfo->backup_data) {
203 log_to_screen("-I switch is ignored if just verifying");
204 }
205 if (flag_set['E'] && !bkpinfo->backup_data) {
206 log_to_screen("-E switch is ignored if just verifying");
207 }
208
209 if ((tmp = find_home_of_exe("afio")) == NULL) {
210 mr_free(tmp);
211 if ((tmp = find_home_of_exe("star")) != NULL) {
212 mr_free(tmp);
213 flag_set['R'] = TRUE;
214 log_msg(1, "Using star instead of afio");
215 } else {
216 mr_free(tmp);
217 fatal_error("Neither afio nor star is installed. Please install at least one.");
218 }
219 }
220
221 if (flag_set['R']) {
222 bkpinfo->use_star = TRUE;
223 if (flag_set['L']) {
224 fatal_error("You may not use star and lzop at the same time.");
225 }
226 if ((tmp = find_home_of_exe("star")) == NULL) {
227 mr_free(tmp);
228 fatal_error("Please install 'star' if you are going to use -R. Thanks.");
229 }
230 mr_free(tmp);
231 }
232
233 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
234 bkpinfo->nonbootable_backup = TRUE;
235 log_to_screen("Warning - you have opted for non-bootable backup");
236 if (flag_set['f'] || flag_set['l']) {
237 log_to_screen
238 ("You don't need to specify bootloader or bootdevice");
239 }
240 }
241
242 if (flag_set['I']) {
243 if (flag_val['I'][0] == '-') {
244 retval++;
245 log_to_screen("Please supply a sensible value with '-I'\n");
246 }
247 if (!strcmp(flag_val['I'],"/")) {
248 log_msg(2, "'/' is pleonastic.");
249 }
250 if (bkpinfo->include_paths && bkpinfo->include_paths[0]) {
251 mr_strcat(bkpinfo->include_paths, "|");
252 }
253
254 mr_asprintf(tmp1, "%s", flag_val['I']);
255 p = tmp1;
256 q = tmp1;
257
258 /* Cut the flag_val['I'] in parts containing all paths to test them */
259 while (p != NULL) {
260 q = strchr(p, '|');
261 if (q != NULL) {
262 *q = '\0';
263 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
264 log_msg(1, "ERROR ! %s doesn't exist", p);
265 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
266 }
267 p = q+1 ;
268 } else {
269 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
270 log_msg(1, "ERROR ! %s doesn't exist", p);
271 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
272 }
273 p = NULL;
274 }
275 }
276 mr_free(tmp1);
277 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
278 log_msg(4, "Finished with the -I option");
279 }
280
281 if (g_kernel_version >= 2.6 && !flag_set['d'] && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
282 fatal_error("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
283 }
284
285
286 if (flag_set['J']) {
287 if (flag_set['I']) {
288 retval++;
289 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. :-)");
290 }
291 bkpinfo->make_filelist = FALSE;
292 mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']);
293 }
294
295 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
296 if (!flag_set['r'] && g_kernel_version <= 2.5 && strstr(flag_val['d'], "/dev/")) {
297 fatal_error("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
298 }
299 if (flag_set['r'] && g_kernel_version <= 2.5 && !strstr(flag_val['d'], "/dev/")) {
300 fatal_error("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
301 }
302 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
303 log_to_screen("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
304 }
305
306 if (system("which cdrecord > /dev/null 2> /dev/null") && system("which dvdrecord > /dev/null 2> /dev/null")) {
307 fatal_error("Please install dvdrecord/cdrecord and try again.");
308 }
309 if (flag_set['C']) {
310 bkpinfo->cdrw_speed = atoi(flag_val['C']);
311 if (bkpinfo->cdrw_speed < 1) {
312 fatal_error("You specified a silly speed for a CD-R[W] drive");
313 }
314 if (!flag_set['L']) {
315 log_to_screen("You must use -L with -C. Therefore I am setting it for you.");
316 flag_set['L'] = 1;
317 flag_val['L'][0] = '\0';
318 }
319 } else {
320 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
321 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
322 if (flag_set['c']) {
323 bkpinfo->cdrw_speed = atoi(flag_val['c']);
324 } else if (flag_set['w']) {
325 bkpinfo->cdrw_speed = atoi(flag_val['w']);
326 } else if (flag_set['r']) {
327 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
328 }
329
330 if (bkpinfo->cdrw_speed < 1) {
331 fatal_error("You specified a silly speed for a CD-R[W] drive");
332 }
333 }
334 }
335
336 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
337 log_it("Hmm! No tape drive specified. Let's see what we can do.");
338 if (find_tape_device(flag_val['d'])) {
339 fatal_error("Tape device not specified. I couldn't find it either.");
340 }
341 flag_set['d'] = TRUE;
342 log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", flag_val['d']);
343 }
344
345 if (flag_set['U']) // USB
346 {
347 if (! flag_set['d']) {
348 fatal_error("You need to specify a device file with -d for bootable USB device usage");
349 }
350 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
351 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
352 }
353 }
354
355 if (flag_set['r']) // DVD
356 {
357 if (flag_set['m']) {
358 fatal_error("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
359 }
360 if (!flag_set['d']) {
361 if (!find_dvd_device(flag_val['d'])) {
362 flag_set['d'] = TRUE;
363 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
364 }
365 }
366 if (strchr(flag_val['d'], ',')) {
367 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
368 }
369 if (! bkpinfo->restore_data) {
370 if (!flag_set['s']) {
371 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
372 strcat(flag_val['s'], "m");
373 log_to_screen("You did not specify a size (-s) for DVD. I'm guessing %s.", flag_val['s']);
374 flag_set['s'] = 1;
375 }
376 }
377 }
378
379 if (flag_set['t'] || flag_set['u']) { /* tape size */
380 if (strchr(flag_val['d'], ',')) {
381 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
382 }
383 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
384 if (flag_set['s']) {
385 if (flag_set['t']) {
386 fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
387 }
388 if (process_the_s_switch(flag_val['s'])) {
389 fatal_error("Bad -s switch");
390 }
391 } else if (flag_set['u'] || flag_set['t']) {
392 bkpinfo->media_size = 0;
393 } else {
394 retval++;
395 log_to_screen("Tape size not specified.\n");
396 }
397 }
398 } else if (! bkpinfo->restore_data) { /* CD|USB size */
399 if (flag_set['s']) {
400 if (process_the_s_switch(flag_val['s'])) {
401 fatal_error("Bad -s switch");
402 }
403 }
404 if (flag_set['w']) {
405 bkpinfo->wipe_media_first = TRUE;
406 } /* CD-RW */
407 }
408
409 if (flag_set['n']) {
410 mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']);
411 if (!flag_set['d']) {
412 mr_asprintf(bkpinfo->netfs_remote_dir, "/");
413 mr_asprintf(bkpinfo->isodir, "%s", ".");
414 }
415 /* test for protocol */
416 p = strstr(bkpinfo->netfs_mount, "://");
417 if (p == NULL) {
418 /* protocol not found assuming NFS for compatibility */
419 mr_asprintf(q,"nfs");
420
421 p = strchr(bkpinfo->netfs_mount, ':');
422 if (p == NULL) {
423 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
424 }
425 /* p points on to the string server:/path */
426 p = bkpinfo->netfs_mount;
427
428 } else {
429 /* Isolate the protocol */
430 *p = '\0';
431 mr_asprintf(q,"%s",bkpinfo->netfs_mount);
432
433 /* Skip proto now */
434 p++;
435 p++;
436 p++;
437 }
438 /* whatever done before proto is pointed to by q */
439 bkpinfo->netfs_proto = q;
440
441 /* p points on to the string server:/path */
442 /* Store the 2 values */
443 q2 = bkpinfo->netfs_mount;
444 mr_asprintf(bkpinfo->netfs_mount, "%s", p);
445 mr_free(q2);
446
447 /* test if we specified a user */
448 p = strchr(bkpinfo->netfs_mount, '@');
449 if (p != NULL) {
450 /* User found. Store the 2 values */
451 mr_asprintf(bkpinfo->netfs_user, "%s", bkpinfo->netfs_mount);
452 p = strchr(bkpinfo->netfs_user, '@');
453 *p = '\0';
454 p = strchr(bkpinfo->netfs_mount, '@');
455 p++;
456 /* new netfs mount */
457 q2 = bkpinfo->netfs_mount;
458 mr_asprintf(bkpinfo->netfs_mount, "%s", p);
459 mr_free(q2);
460 }
461 if (bkpinfo->netfs_user != NULL) {
462 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
463 } else {
464 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
465 }
466 mr_free(bkpinfo->isodir);
467 bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1);
468 mr_free(tmp1);
469
470 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
471 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
472 if (bkpinfo->netfs_user) {
473 log_msg(3, "user = %s", bkpinfo->netfs_user);
474 }
475 log_msg(3, "isodir= %s", bkpinfo->isodir);
476
477 if (strlen(bkpinfo->isodir) < 3) {
478 log_to_screen("Network share %s is not mounted. Trying to mount it for you.\n",bkpinfo->netfs_mount);
479 if (bkpinfo->netfs_user) {
480 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
481 mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
482 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
483 mr_asprintf(tmp1, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user);
484 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
485 mr_asprintf(tmp1, "mount -t %s %s@%s", bkpinfo->netfs_proto, bkpinfo->netfs_user, bkpinfo->netfs_mount);
486 } else {
487 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
488 fatal_error("Bad Protocol\n");
489 }
490 } else {
491 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
492 mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount);
493 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
494 mr_asprintf(tmp1, "mount -t cifs %s", bkpinfo->netfs_mount);
495 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
496 mr_asprintf(tmp1, "mount -t %s %s", bkpinfo->netfs_proto, bkpinfo->netfs_mount);
497 } else {
498 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
499 fatal_error("Bad Protocol\n");
500 }
501 }
502 i = system(tmp1);
503 mr_free(tmp1);
504
505 if (i) {
506 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
507 retval++;
508 } else {
509 if (bkpinfo->netfs_user) {
510 mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
511 } else {
512 mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
513 }
514 mr_free(bkpinfo->isodir);
515 bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1);
516 if (strlen(bkpinfo->isodir) < 3) {
517 retval++;
518 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
519 }
520 }
521 }
522 }
523
524 if (flag_set['c']) {
525 bkpinfo->backup_media_type = cdr;
526 }
527 if (flag_set['C']) {
528 bkpinfo->backup_media_type = cdstream;
529 }
530 if (flag_set['i']) {
531 bkpinfo->backup_media_type = iso;
532 }
533 if (flag_set['n']) {
534 bkpinfo->backup_media_type = netfs;
535 /* Never try to eject a Network device */
536 bkpinfo->please_dont_eject = TRUE;
537 }
538 if (flag_set['r']) {
539 bkpinfo->backup_media_type = dvd;
540 }
541 if (flag_set['t']) {
542 bkpinfo->backup_media_type = tape;
543 }
544 if (flag_set['u']) {
545 bkpinfo->backup_media_type = udev;
546 }
547 if (flag_set['w']) {
548 bkpinfo->backup_media_type = cdrw;
549 }
550 if (flag_set['U']) {
551 bkpinfo->backup_media_type = usb;
552 /* Never try to eject a USB device */
553 bkpinfo->please_dont_eject = TRUE;
554 }
555 if (flag_set['z']) {
556 if ((tmp = find_home_of_exe("getfattr")) != NULL) {
557 mr_asprintf(g_getfattr,"getfattr");
558 }
559 mr_free(tmp);
560 if ((tmp = find_home_of_exe("getfacl")) != NULL) {
561 mr_asprintf(g_getfattr,"getfaacl");
562 }
563 mr_free(tmp);
564 }
565
566 /* optional, popular */
567 if (flag_set['g']) {
568 g_text_mode = FALSE;
569 }
570
571 if (flag_set['E']) {
572 if ((flag_val['E'][0] == '-')) {
573 retval++;
574 log_to_screen("Please supply a sensible value with '-E'\n");
575 }
576 mr_asprintf(tmp1, "%s", flag_val['E']);
577
578 p = tmp1;
579 q = tmp1;
580
581 /* Cut the flag_val['E'] in parts containing all paths to test them */
582 while (p != NULL) {
583 q = strchr(p, '|');
584 if (q != NULL) {
585 *q = '\0';
586 /* Fix bug 14 where ending / cause a problem later
587 * so handled here for the moment */
588 q--;
589 if (*q == '/') {
590 *q = '\0';
591 }
592 q++;
593 /* End of bug fix */
594 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
595 log_msg(1, "WARNING ! %s doesn't exist", p);
596 }
597 p = q+1 ;
598 } else {
599 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
600 log_msg(1, "WARNING ! %s doesn't exist", p);
601 }
602 p = NULL;
603 }
604 }
605 mr_free(tmp1);
606
607 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
608 log_msg(4, "Finished with the -E option");
609 }
610
611 if (flag_set['e']) {
612 bkpinfo->please_dont_eject = TRUE;
613 }
614
615 if (flag_set['M']) {
616 g_max_biggie_size = atol(flag_val['M']);
617 log_msg(1, "Max size for biggie file is now %ld KB", g_max_biggie_size);
618 }
619
620 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
621 {
622 psz = list_of_NETFS_mounts_only();
623 log_msg(5, "-N means we'll exclude %s", psz);
624 if (bkpinfo->exclude_paths) {
625 mr_strcat(bkpinfo->exclude_paths, "|%s", psz);
626 mr_free(psz);
627 } else {
628 bkpinfo->exclude_paths = psz;
629 }
630
631 if (bkpinfo->exclude_paths != NULL) {
632 log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths);
633 }
634 }
635
636 if (flag_set['b']) {
637 mr_asprintf(psz, "%s", flag_val['b']);
638 log_msg(1, "psz = '%s'", psz);
639 if (psz[strlen(psz) - 1] == 'k') {
640 psz[strlen(psz) - 1] = '\0';
641 itbs = atol(psz) * 1024L;
642 } else {
643 itbs = atol(psz);
644 }
645 mr_free(psz);
646 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
647 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
648 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
649 fatal_error("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
650 }
651 bkpinfo->internal_tape_block_size = itbs;
652 }
653
654 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
655 bkpinfo->differential = 1;
656// bkpinfo->differential = atoi (flag_val['D']);
657 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
658 fatal_error("The D option should be between 1 and 9 inclusive");
659 }
660 }
661
662 if (flag_set['x']) {
663 mr_asprintf(bkpinfo->image_devs, "%s", flag_val['x']);
664 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
665 fatal_error("Please install ntfsprogs package/tarball.");
666 }
667 }
668
669 if (flag_set['m']) {
670 bkpinfo->manual_cd_tray = TRUE;
671 }
672
673 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
674 mr_asprintf(bkpinfo->kernel_path, "%s", flag_val['k']);
675 if (!does_file_exist(bkpinfo->kernel_path)) {
676 retval++;
677 log_to_screen("You specified kernel '%s', which does not exist\n", bkpinfo->kernel_path);
678 }
679 }
680
681 if (flag_set['p']) {
682 mr_asprintf(bkpinfo->prefix, "%s", flag_val['p']);
683 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
684 }
685
686 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
687 if (flag_set['i']) {
688 mr_asprintf(bkpinfo->isodir, "%s", flag_val['d']);
689 mr_asprintf(tmp1, "ls -l %s", bkpinfo->isodir);
690 if (run_program_and_log_output(tmp1, 2)) {
691 mr_free(tmp1);
692 fatal_error("output folder does not exist - please create it");
693 }
694 mr_free(tmp1);
695 } else if (flag_set['n']) {
696 mr_free(bkpinfo->netfs_remote_dir);
697 mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']);
698 } else { /* backup device (if tape/CD-R/CD-RW) */
699 mr_asprintf(bkpinfo->media_device, "%s", flag_val['d']);
700 }
701 }
702
703 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
704 mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
705 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
706 mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
707 } else {
708 mr_asprintf(tmp2, "echo hi > %s", tmp1);
709 }
710 i = run_program_and_log_output(tmp2, 2);
711 mr_free(tmp2);
712
713 if (i) {
714 retval++;
715 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);
716 }
717 unlink(tmp1);
718 mr_free(tmp1);
719 }
720
721 if (!flag_set['d'] && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
722 if (g_kernel_version >= 2.6) {
723 tmp1 = mr_popup_and_get_string("Device", "Please specify the device", bkpinfo->media_device);
724 if (tmp1 == NULL) {
725 retval++;
726 log_to_screen("User opted to cancel.");
727 } else {
728 mr_free(bkpinfo->media_device);
729 bkpinfo->media_device = tmp1;
730 }
731 } else if (find_cdrw_device(bkpinfo->media_device)) {
732 retval++;
733 log_to_screen("Tried and failed to find CD-R[W] drive automatically.\n");
734 } else {
735 flag_set['d'] = TRUE;
736 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
737 }
738 }
739
740 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
741 retval++;
742 log_to_screen("Please specify the backup device/directory.\n");
743 fatal_error("You didn't use -d to specify the backup device/directory.");
744 }
745
746 for (i = '0'; i <= '9'; i++) {
747 if (flag_set[i]) {
748 bkpinfo->compression_level = i - '0';
749 } /* not '\0' but '0' */
750 }
751
752 if (flag_set['S']) {
753 setup_scratchdir(flag_val['S']);
754 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->scratchdir);
755 if (run_program_and_log_output(tmp1, 1)) {
756 retval++;
757 mr_free(tmp1);
758 log_to_screen("Please specify a scratchdir which I can write to. :)");
759 fatal_error("I cannot write to the scratchdir you specified.");
760 }
761 mr_free(tmp1);
762
763 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->scratchdir, bkpinfo->scratchdir);
764 if (run_program_and_log_output(tmp1, 1)) {
765 retval++;
766 mr_free(tmp1);
767 log_to_screen("Please don't specify a SAMBA or VFAT or NFS scratchdir.");
768 fatal_error("I cannot write to the scratchdir you specified.");
769 }
770 mr_free(tmp1);
771 }
772
773 if (flag_set['T']) {
774 setup_tmpdir(flag_val['T']);
775 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir);
776 i = run_program_and_log_output(tmp1, 1);
777 mr_free(tmp1);
778
779 if (i) {
780 retval++;
781 log_to_screen("Please specify a tempdir which I can write to. :)");
782 fatal_error("I cannot write to the tempdir you specified.");
783 }
784 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
785 i = run_program_and_log_output(tmp1, 1);
786 mr_free(tmp1);
787
788 if (i) {
789 retval++;
790 log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
791 fatal_error("I cannot write to the tempdir you specified.");
792 }
793 }
794
795 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
796 mr_asprintf(bkpinfo->call_after_iso, "%s", flag_val['A']);
797 }
798
799 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
800 mr_asprintf(bkpinfo->call_before_iso, "%s", flag_val['B']);
801 }
802
803 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
804 g_cd_recovery = TRUE;
805 }
806
807 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
808#ifdef __FreeBSD__
809# define BOOT_LOADER_CHARS "GLBMR"
810#else
811# ifdef __IA64__
812# define BOOT_LOADER_CHARS "GER"
813# else
814# define BOOT_LOADER_CHARS "GLR"
815# endif
816#endif
817 if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) {
818 log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader);
819 fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
820 }
821#undef BOOT_LOADER_CHARS
822 }
823
824 if (flag_set['f']) {
825 mr_free(bkpinfo->boot_device);
826 mr_asprintf(bkpinfo->boot_device, "%s", resolve_softlinks_to_get_to_actual_device_file(flag_val['f']));
827 }
828
829 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
830 mr_asprintf(bkpinfo->postnuke_tarball, "%s", flag_val['P']);
831 }
832
833 if (flag_set['Q']) {
834 i = which_boot_loader(tmp);
835 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
836 printf("boot loader is %c, residing at %s\n", i, tmp);
837 finish(0);
838 }
839
840 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
841 bkpinfo->use_lzo = TRUE;
842 if (run_program_and_log_output("which lzop", 2)) {
843 retval++;
844 log_to_screen("Please install LZOP. You can't use '-L' until you do.\n");
845 }
846 }
847
848 if (flag_set['F']) {
849 log_msg(3, "-F means we will fail immediately at the first interaction request");
850 g_fail_immediately = TRUE;
851 }
852
853 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
854 bkpinfo->use_gzip = TRUE;
855 if (run_program_and_log_output("which gzip", 2)) {
856 retval++;
857 log_to_screen("Please install gzip. You can't use '-G' until you do.\n");
858 }
859 }
860
861 if ((flag_set['Y']) && (! bkpinfo->restore_data)) {
862 bkpinfo->use_lzma = TRUE;
863 if (run_program_and_log_output("which lzma", 2)) {
864 retval++;
865 log_to_screen("Please install lzma. You can't use '-Y' until you do.\n");
866 }
867 }
868
869 bkpinfo->use_obdr = FALSE;
870 if (flag_set['o']) {
871 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
872 log_to_screen("OBDR support is only available for tapes. Use the -t option");
873 fatal_error("Aborting");
874 }
875 bkpinfo->use_obdr = TRUE;
876 }
877
878#ifndef __FreeBSD__
879 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
880 bkpinfo->make_cd_use_lilo = TRUE;
881 log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore");
882 log_to_screen("using LILO instead of SYSLINUX as the media boot loader.");
883 }
884 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
885 bkpinfo->make_cd_use_lilo = TRUE;
886#ifdef __IA32__
887 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
888 log_to_screen("your boot loader. I shall therefore use LILO instead.");
889#endif
890#ifdef __IA64__
891 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
892 log_to_screen("environment correctly. Please install it.");
893 fatal_error("Aborting");
894#endif
895 }
896#ifdef __IA64__
897 /* We force ELILO usage on IA64 */
898 bkpinfo->make_cd_use_lilo = TRUE;
899#endif
900#endif
901
902 if (! bkpinfo->restore_data) {
903 i = flag_set['O'] + flag_set['V'];
904 if (i == 0) {
905 retval++;
906 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
907 }
908 }
909
910 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
911 fatal_error("The -Z switch is only valid in restore mode");
912 }
913
914 if (flag_set['Z']) {
915 if (! strcmp(flag_val['Z'], "nuke")) {
916 bkpinfo->restore_mode = nuke;
917 } else if (! strcmp(flag_val['Z'], "interactive")) {
918 bkpinfo->restore_mode = interactive;
919 } else if (! strcmp(flag_val['Z'], "compare")) {
920 bkpinfo->restore_mode = compare;
921 } else if (! strcmp(flag_val['Z'], "mbr")) {
922 bkpinfo->restore_mode = mbr;
923 } else if (! strcmp(flag_val['Z'], "iso")) {
924 bkpinfo->restore_mode = isoonly;
925 } else if (! strcmp(flag_val['Z'], "isonuke")) {
926 bkpinfo->restore_mode = isonuke;
927 } else {
928 bkpinfo->restore_mode = interactive;
929 }
930 }
931
932/* and finally... */
933
934 paranoid_free(tmp);
935 return (retval);
936}
937
938
939
940/**
941 * Get the switches from @p argc and @p argv using getopt() and place them in
942 * @p flag_set and @p flag_val.
943 * @param argc The argument count (@p argc passed to main()).
944 * @param argv The argument vector (@p argv passed to main()).
945 * @param flag_val An array indexed by switch letter - if a switch is set and
946 * has an argument then set flag_val[switch] to that argument.
947 * @param flag_set An array indexed by switch letter - if a switch is set then
948 * set flag_set[switch] to TRUE, else set it to FALSE.
949 * @return The number of problems with the command line (0 for success).
950 */
951int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128])
952{
953 /*@ ints ** */
954 int opt = 0;
955 int i = 0;
956 int len;
957
958 /*@ bools *** */
959 bool bad_switches = FALSE;
960
961 assert(flag_val != NULL);
962 assert(flag_set != NULL);
963
964 for (i = 0; i < 128; i++) {
965 flag_val[i][0] = '\0';
966 flag_set[i] = FALSE;
967 }
968 while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) {
969 if (opt == '?') {
970 bad_switches = TRUE;
971 } else {
972 if (flag_set[opt]) {
973 bad_switches = TRUE;
974 log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]);
975 } else {
976 flag_set[opt] = TRUE;
977 if (optarg) {
978 len = strlen(optarg);
979 if (optarg[0] != '/' && optarg[len - 1] == '/') {
980 optarg[--len] = '\0';
981 log_to_screen("Warning - param '%s' should not have trailing slash!", optarg);
982 }
983 if (opt == 'd') {
984 if (strchr(flag_val[opt], '/')
985 && flag_val[opt][0] != '/') {
986 log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
987 bad_switches = TRUE;
988 }
989 }
990 strcpy(flag_val[opt], optarg);
991 }
992 }
993 }
994 }
995 for (i = optind; i < argc; i++) {
996 bad_switches = TRUE;
997 log_to_screen("Invalid arg -- %s\n", argv[i]);
998 }
999 return (bad_switches);
1000}
1001
1002
1003
1004
1005/**
1006 * Print a not-so-helpful help message and exit.
1007 */
1008void help_screen()
1009{
1010 log_msg(1, "Type 'man mondoarchive' for more information");
1011 exit(1);
1012}
1013
1014
1015/**
1016 * Terminate Mondo in response to a signal.
1017 * @param sig The signal number received.
1018 */
1019void terminate_daemon(int sig)
1020{
1021 char *tmp = NULL;
1022 char *tmp2 = NULL;
1023
1024 switch (sig) {
1025 case SIGINT:
1026 mr_asprintf(tmp, "SIGINT");
1027 mr_asprintf(tmp2, "You interrupted me :-)");
1028 break;
1029 case SIGKILL:
1030 mr_asprintf(tmp, "SIGKILL");
1031 mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1032 break;
1033 case SIGTERM:
1034 mr_asprintf(tmp, "SIGTERM");
1035 mr_asprintf(tmp2, "Got terminate signal");
1036 break;
1037 case SIGHUP:
1038 mr_asprintf(tmp, "SIGHUP");
1039 mr_asprintf(tmp2, "Hangup on line");
1040 break;
1041 case SIGSEGV:
1042 mr_asprintf(tmp, "SIGSEGV");
1043 mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1044 break;
1045 case SIGPIPE:
1046 mr_asprintf(tmp, "SIGPIPE");
1047 mr_asprintf(tmp2, "Pipe was broken");
1048 break;
1049 case SIGABRT:
1050 mr_asprintf(tmp, "SIGABRT");
1051 mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1052 break;
1053 default:
1054 mr_asprintf(tmp, "(Unknown)");
1055 mr_asprintf(tmp2, "(Unknown)");
1056 }
1057
1058 mr_strcat(tmp, " signal received from OS");
1059 log_to_screen(tmp);
1060 mr_free(tmp);
1061
1062 log_to_screen(tmp2);
1063 mr_free(tmp2);
1064 if (sig == SIGABRT) {
1065 sleep(10);
1066 }
1067 kill_buffer();
1068
1069 free_MR_global_filenames();
1070
1071 fatal_error("MondoRescue is terminating in response to a signal from the OS");
1072 finish(254); // just in case
1073}
1074
1075
1076
1077
1078/**
1079 * Turn signal-trapping on or off.
1080 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1081 */
1082void set_signals(int on)
1083{
1084 int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1085 int i;
1086
1087 signal(SIGPIPE, sigpipe_occurred);
1088 for (i = 0; signals[i]; i++) {
1089 if (on) {
1090 signal(signals[i], terminate_daemon);
1091 } else {
1092 signal(signals[i], termination_in_progress);
1093 }
1094 }
1095}
1096
1097
1098
1099
1100/**
1101 * Exit immediately without cleaning up.
1102 * @param sig The signal we are exiting due to.
1103 */
1104void termination_in_progress(int sig)
1105{
1106 log_msg(1, "Termination in progress");
1107 usleep(1000);
1108 pthread_exit(0);
1109}
1110
1111/* @} - end of cliGroup */
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