source: MondoRescue/branches/3.1/mondo/src/common/libmondo-cli.c@ 3147

Last change on this file since 3147 was 3147, checked in by Bruno Cornec, 11 years ago
  • First pass on svn merge -r 2935:3146 ../3.0
  • Property svn:keywords set to Id
File size: 32.6 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 3147 2013-06-19 06:34:46Z 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);
41void mr_make_devlist_from_pathlist(char *pathlist, char mode);
42extern double g_kernel_version;
43extern int g_current_media_number;
44extern pid_t g_main_pid;
45extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
46
47/* Do we use extended attributes and acl ?
48 * By default no, use -z option to force their usage */
49extern char *g_getfacl;
50extern char *g_getfattr;
51
52/* Reference to global bkpinfo */
53extern struct s_bkpinfo *bkpinfo;
54
55extern void free_MR_global_filenames(void);
56
57long g_max_biggie_size = BIGGIEMAXSIZE;
58
59/**
60 * @addtogroup cliGroup
61 * @{
62 */
63/**
64 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
65 * @param argc The argument count, including the program name; @p argc passed to main().
66 * @param argv The argument vector; @p argv passed to main().
67 * @param bkpinfo The backup information structure to populate.
68 * @return The number of problems with the command line (0 for success).
69 */
70int
71handle_incoming_parameters(int argc, char *argv[])
72{
73 /*@ int *** */
74 int res = 0;
75 int retval = 0;
76 int i = 0, j;
77
78 /*@ buffers *************** */
79 char *tmp = NULL;
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 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
88 bkpinfo->media_size[j] = 650;
89 } /* default */
90 res = retrieve_switches_from_command_line(argc, argv, flag_val, flag_set);
91 retval += res;
92 if (!retval) {
93 res = process_switches(flag_val, flag_set);
94 retval += res;
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 mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
103 paranoid_system(tmp);
104 mr_free(tmp);
105
106 /* Before erasing dirs go into a safe place */
107 if (chdir("/tmp")) {
108 // FIXME
109 }
110 mr_asprintf(tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
111 paranoid_system(tmp);
112 mr_free(tmp);
113
114 mr_asprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
115 paranoid_system(tmp);
116 mr_free(tmp);
117 return (retval);
118}
119
120
121
122
123/**
124 * Store the sizespec(s) stored in @p value into @p bkpinfo.
125 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
126 * @param value The sizespec (e.g. "2g", "40m").
127 * @return 0, always.
128 * @bug Return code not needed.
129 */
130int process_the_s_switch(char *value)
131{
132 int j;
133 char tmp[MAX_STR_LEN], *p;
134
135 assert(bkpinfo != NULL);
136 assert(value != NULL);
137
138 bkpinfo->media_size[0] = -1; /* dummy value */
139 for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ',');
140 j++, p = strchr(p, ',') + 1) {
141 strncpy(tmp, p, MAX_STR_LEN);
142 *(strchr(tmp, ',')) = '\0';
143 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp);
144 log_msg(3, "media_size[%d] = %ld", j, bkpinfo->media_size[j]);
145 }
146 for (; j <= MAX_NOOF_MEDIA; j++) {
147 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p);
148 }
149 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
150 if (bkpinfo->media_size[j] <= 0) {
151 log_msg(1, "You gave media #%d an invalid size\n", j);
152 return (-1);
153 }
154 }
155 return (0);
156}
157
158/**
159 * Process mondoarchive's command-line switches.
160 * @param bkpinfo The backup information structure to populate.
161 * @param flag_val An array of the argument passed to each switch (the letter is the index).
162 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
163 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
164 * FALSE if it's not.
165 * @return The number of problems with the switches, or 0 for success.
166 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
167 */
168int
169process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
170{
171
172 /*@ ints *** */
173 int i = 0;
174 int retval = 0;
175
176 /*@ buffers ** */
177 char *tmp1 = NULL;
178 char *tmp2 = NULL;
179 char *psz = NULL;
180 char *p = NULL;
181 char *q = NULL;
182
183 long itbs = 0L;
184
185 struct stat buf;
186
187 assert(bkpinfo != NULL);
188 assert(flag_val != NULL);
189 assert(flag_set != NULL);
190
191 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
192
193 /* compulsory */
194 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
195 flag_set['t'] + flag_set['u'] + flag_set['r'] +
196 flag_set['w'] + flag_set['C'] + flag_set['U'];
197 if ((i == 0) && (! bkpinfo->restore_data)) {
198 retval++;
199 log_to_screen("You must specify the media type\n");
200 }
201 if (i > 1) {
202 retval++;
203 log_to_screen("Please specify only one media type\n");
204 }
205
206 if (flag_set['K']) {
207 g_loglevel = atoi(flag_val['K']);
208 log_msg(1,"Loglevel forced to %d",g_loglevel);
209 if (g_loglevel < 3) {
210 g_loglevel = 3;
211 }
212 }
213
214 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
215 retval++;
216 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
217 }
218 if (! bkpinfo->restore_data) {
219 bkpinfo->backup_data = flag_set['O'];
220 }
221 bkpinfo->verify_data = flag_set['V'];
222
223 if (flag_set['I'] && !bkpinfo->backup_data) {
224 log_to_screen("-I switch is ignored if just verifying");
225 }
226 if (flag_set['E'] && !bkpinfo->backup_data) {
227 log_to_screen("-E switch is ignored if just verifying");
228 }
229
230 tmp1 = find_home_of_exe("afio");
231 if (!tmp1) {
232 mr_free(tmp1);
233 tmp1 = find_home_of_exe("star");
234 if (tmp1) {
235 mr_free(tmp1);
236 flag_set['R'] = TRUE;
237 log_msg(1, "Using star instead of afio");
238 } else {
239 mr_free(tmp1);
240 fatal_error("Neither afio nor star is installed. Please install at least one.");
241 }
242 }
243 mr_free(tmp1);
244
245 if (flag_set['R']) {
246 bkpinfo->use_star = TRUE;
247 if (flag_set['L']) {
248 fatal_error("You may not use star and lzop at the same time.");
249 }
250 tmp1 = find_home_of_exe("star");
251 if (!tmp1) {
252 mr_free(tmp1);
253 fatal_error("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
254 }
255 mr_free(tmp1);
256 }
257
258 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
259 bkpinfo->nonbootable_backup = TRUE;
260 log_to_screen("Warning - you have opted for non-bootable backup");
261 if (flag_set['f'] || flag_set['l']) {
262 log_to_screen
263 ("You don't need to specify bootloader or bootdevice");
264 }
265 }
266
267 if (flag_set['I']) {
268 if (bkpinfo->include_paths && bkpinfo->include_paths[0] == '-') {
269 retval++;
270 log_to_screen("Please supply a sensible value with '-I'\n");
271 }
272
273 mr_asprintf(tmp1, "%s", flag_val['I']);
274 p = tmp1;
275 q = tmp1;
276
277 /* Cut the flag_val['I'] in parts containing all paths to test them */
278 while (p != NULL) {
279 q = strchr(p, '|');
280 if (q != NULL) {
281 *q = '\0';
282 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
283 log_msg(1, "ERROR ! %s doesn't exist", p);
284 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
285 }
286 p = q+1 ;
287 } else {
288 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
289 log_msg(1, "ERROR ! %s doesn't exist", p);
290 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
291 }
292 p = NULL;
293 }
294 }
295 mr_free(tmp1);
296 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
297 log_msg(4, "Finished with the -I option");
298 }
299
300 if (g_kernel_version >= 2.6 && !flag_set['d'] && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
301 fatal_error("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
302 }
303
304
305 if (flag_set['J']) {
306 if (flag_set['I']) {
307 retval++;
308 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. :-)");
309 }
310 bkpinfo->make_filelist = FALSE;
311 mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']);
312 }
313
314 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
315 if (!flag_set['r'] && g_kernel_version <= 2.5 && strstr(flag_val['d'], "/dev/")) {
316 fatal_error("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
317 }
318 if (flag_set['r'] && g_kernel_version <= 2.5 && !strstr(flag_val['d'], "/dev/")) {
319 fatal_error("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
320 }
321 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
322 log_to_screen("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
323 }
324
325 if (system("which cdrecord > /dev/null 2> /dev/null") && system("which dvdrecord > /dev/null 2> /dev/null")) {
326 fatal_error("Please install dvdrecord/cdrecord and try again.");
327 }
328 if (flag_set['C']) {
329 bkpinfo->cdrw_speed = atoi(flag_val['C']);
330 if (bkpinfo->cdrw_speed < 1) {
331 fatal_error("You specified a silly speed for a CD-R[W] drive");
332 }
333 if (!flag_set['L']) {
334 log_to_screen("You must use -L with -C. Therefore I am setting it for you.");
335 flag_set['L'] = 1;
336 flag_val['L'][0] = '\0';
337 }
338 } else {
339 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
340 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
341 if (flag_set['c']) {
342 bkpinfo->cdrw_speed = atoi(flag_val['c']);
343 } else if (flag_set['w']) {
344 bkpinfo->cdrw_speed = atoi(flag_val['w']);
345 } else if (flag_set['r']) {
346 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
347 }
348
349 if (bkpinfo->cdrw_speed < 1) {
350 fatal_error("You specified a silly speed for a CD-R[W] drive");
351 }
352 }
353 }
354
355 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
356 log_it("Hmm! No tape drive specified. Let's see what we can do.");
357 if ((tmp1 = mr_find_tape_device()) == NULL) {
358 fatal_error("Tape device not specified. I couldn't find it either.");
359 }
360 strcpy(flag_val['d'], tmp1);
361 mr_free(tmp1);
362 flag_set['d'] = TRUE;
363 strcpy(flag_val['d'], p);
364 mr_free(p);
365 log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", flag_val['d']);
366 }
367
368 if (flag_set['U']) // USB
369 {
370 if (! flag_set['d']) {
371 fatal_error("You need to specify a device file with -d for bootable USB device usage");
372 }
373 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
374 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
375 }
376 }
377
378 if (flag_set['r']) // DVD
379 {
380 if (flag_set['m']) {
381 fatal_error("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
382 }
383 if (!flag_set['d']) {
384 if ((tmp1 = find_dvd_device(flag_val['d'])) != NULL) {
385 strcpy(flag_val['d'],tmp1);
386 mr_free(tmp1);
387 flag_set['d'] = TRUE;
388 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
389 }
390 }
391 if (strchr(flag_val['d'], ',')) {
392 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
393 }
394 if (! bkpinfo->restore_data) {
395 tmp1 = find_home_of_exe("growisofs");
396 if (!tmp1) {
397 mr_free(tmp1);
398 fatal_error("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
399 }
400 mr_free(tmp1);
401
402 tmp1 = find_home_of_exe("dvd+rw-format");
403 if (!tmp1) {
404 mr_free(tmp1);
405 fatal_error("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
406 }
407 mr_free(tmp1);
408
409 if (!flag_set['s']) {
410 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
411 strcat(flag_val['s'], "m");
412 log_to_screen("You did not specify a size (-s) for DVD. I'm guessing %s.", flag_val['s']);
413 flag_set['s'] = 1;
414 }
415 }
416 }
417
418 if (flag_set['t'] || flag_set['u']) { /* tape size */
419 if (strchr(flag_val['d'], ',')) {
420 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
421 }
422 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
423 if (flag_set['s']) {
424 if (flag_set['t']) {
425 fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
426 }
427 if (process_the_s_switch(flag_val['s'])) {
428 fatal_error("Bad -s switch");
429 }
430 } else if (flag_set['u'] || flag_set['t']) {
431 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
432 bkpinfo->media_size[i] = 0;
433 }
434 } else {
435 retval++;
436 log_to_screen("Tape size not specified.\n");
437 }
438 }
439 } else if (! bkpinfo->restore_data) { /* CD|USB size */
440 if (flag_set['s']) {
441 if (process_the_s_switch(flag_val['s'])) {
442 fatal_error("Bad -s switch");
443 }
444 }
445 if (flag_set['w']) {
446 bkpinfo->wipe_media_first = TRUE;
447 } /* CD-RW */
448 }
449
450 if (flag_set['n']) {
451 mr_free(bkpinfo->netfs_mount);
452 mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']);
453 if (!flag_set['d']) {
454 mr_free(bkpinfo->netfs_remote_dir);
455 mr_asprintf(bkpinfo->netfs_remote_dir, "/");
456 }
457 /* test for protocol */
458 p = strstr(bkpinfo->netfs_mount, "://");
459 if (p == NULL) {
460 /* protocol not found assuming NFS for compatibility */
461 mr_asprintf(q,"nfs");
462
463 p = strchr(bkpinfo->netfs_mount, ':');
464 if (p == NULL) {
465 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
466 }
467 /* p points on to the string server:/path */
468 p = bkpinfo->netfs_mount;
469
470 } else {
471 /* Isolate the protocol */
472 *p = '\0';
473 mr_asprintf(q,"%s",bkpinfo->netfs_mount);
474
475 /* Skip proto now */
476 p++;
477 p++;
478 p++;
479 }
480 /* whatever done before proto is pointed to by q */
481 bkpinfo->netfs_proto = q;
482
483 /* p points on to the string server:/path */
484 /* Store the 2 values */
485 bkpinfo->netfs_mount = p;
486
487 /* test if we specified a user */
488 p = strchr(bkpinfo->netfs_mount, '@');
489 if (p != NULL) {
490 /* User found. Store the 2 values */
491 bkpinfo->netfs_user = bkpinfo->netfs_mount;
492 p++;
493 /* new netfs mount */
494 bkpinfo->netfs_mount = p;
495 p--;
496 *p = '\0';
497 }
498 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
499 mr_free(bkpinfo->isodir);
500 bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1,TRUE);
501 mr_free(tmp1);
502
503 if (strlen(bkpinfo->isodir) < 3) {
504 log_to_screen("Network share is not mounted. Trying to mount it for you.\n");
505 if (bkpinfo->netfs_user) {
506 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
507 mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
508 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
509 sprintf(tmp, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user);
510 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
511 mr_asprintf(tmp1, "mount %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
512 } else {
513 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
514 fatal_error("Bad Protocol\n");
515 }
516 } else {
517 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
518 mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount);
519 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
520 sprintf(tmp, "mount -t cifs %s", bkpinfo->netfs_mount);
521 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
522 mr_asprintf(tmp1, "mount %s", bkpinfo->netfs_mount);
523 } else {
524 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
525 fatal_error("Bad Protocol\n");
526 }
527 }
528 i = system(tmp1);
529 mr_free(tmp1);
530
531 if (i) {
532 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
533 retval++;
534 } else {
535 if (bkpinfo->netfs_user) {
536 mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
537 } else {
538 mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
539 }
540 mr_free(bkpinfo->isodir);
541 bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1,TRUE);
542 mr_free(tmp1);
543
544 if (strlen(bkpinfo->isodir) < 3) {
545 retval++;
546 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
547 }
548 }
549 }
550 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
551 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
552 if (bkpinfo->netfs_user) {
553 log_msg(3, "user = %s", bkpinfo->netfs_user);
554 }
555 log_msg(3, "isodir= %s", bkpinfo->isodir);
556 }
557
558 if (flag_set['c']) {
559 bkpinfo->backup_media_type = cdr;
560 }
561 if (flag_set['C']) {
562 bkpinfo->backup_media_type = cdstream;
563 }
564 if (flag_set['i']) {
565 bkpinfo->backup_media_type = iso;
566 }
567 if (flag_set['n']) {
568 bkpinfo->backup_media_type = netfs;
569 /* Never try to eject a Network device */
570 bkpinfo->please_dont_eject = TRUE;
571 }
572 if (flag_set['r']) {
573 bkpinfo->backup_media_type = dvd;
574 }
575 if (flag_set['t']) {
576 bkpinfo->backup_media_type = tape;
577 }
578 if (flag_set['u']) {
579 bkpinfo->backup_media_type = udev;
580 }
581 if (flag_set['w']) {
582 bkpinfo->backup_media_type = cdrw;
583 }
584 if (flag_set['U']) {
585 bkpinfo->backup_media_type = usb;
586 /* Never try to eject a USB device */
587 bkpinfo->please_dont_eject = TRUE;
588 }
589 if (flag_set['z']) {
590 tmp1 = find_home_of_exe("getfattr");
591 if (tmp1) {
592 mr_asprintf(g_getfattr,"getfattr");
593 }
594 mr_free(tmp1);
595
596 tmp1 = find_home_of_exe("getfacl");
597 if (tmp1) {
598 mr_asprintf(g_getfacl,"getfacl");
599 }
600 mr_free(tmp1);
601 }
602
603 /* optional, popular */
604 if (flag_set['g']) {
605 g_text_mode = FALSE;
606 }
607
608 if (flag_set['E']) {
609 if (bkpinfo->exclude_paths && bkpinfo->exclude_paths[0] == '-') {
610 retval++;
611 log_to_screen("Please supply a sensible value with '-E'\n");
612 }
613 mr_asprintf(tmp1, "%s", flag_val['E']);
614
615 p = tmp1;
616 q = tmp1;
617
618 /* Cut the flag_val['E'] in parts containing all paths to test them */
619 while (p != NULL) {
620 q = strchr(p, '|');
621 if (q != NULL) {
622 *q = '\0';
623 /* Fix bug 14 where ending / cause a problem later
624 * so handled here for the moment */
625 q--;
626 if (*q == '/') {
627 *q = '\0';
628 }
629 q++;
630 /* End of bug fix */
631 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
632 log_msg(1, "WARNING ! %s doesn't exist", p);
633 }
634 p = q+1 ;
635 } else {
636 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
637 log_msg(1, "WARNING ! %s doesn't exist", p);
638 }
639 p = NULL;
640 }
641 }
642 mr_free(tmp1);
643
644 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
645 log_msg(4, "Finished with the -E option");
646 }
647
648 if (flag_set['e']) {
649 bkpinfo->please_dont_eject = TRUE;
650 }
651
652 if (flag_set['M']) {
653 g_max_biggie_size = atol(flag_val['M']);
654 log_msg(1, "Max size for biggie file is now %ld KB", g_max_biggie_size);
655 }
656
657 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
658 {
659 psz = list_of_NETFS_mounts_only();
660 log_msg(5, "-N means we'll exclude %s", psz);
661 if (bkpinfo->exclude_paths) {
662 mr_strcat(bkpinfo->exclude_paths, "|%s", psz);
663 mr_free(psz);
664 } else {
665 bkpinfo->exclude_paths = psz;
666 }
667
668 if (bkpinfo->exclude_paths != NULL) {
669 log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths);
670 }
671 }
672
673 if (flag_set['b']) {
674 mr_asprintf(psz, "%s", flag_val['b']);
675 log_msg(1, "psz = '%s'", psz);
676 if (psz[strlen(psz) - 1] == 'k') {
677 psz[strlen(psz) - 1] = '\0';
678 itbs = atol(psz) * 1024L;
679 } else {
680 itbs = atol(psz);
681 }
682 mr_free(psz);
683 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
684 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
685 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
686 fatal_error("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
687 }
688 bkpinfo->internal_tape_block_size = itbs;
689 }
690
691 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
692 bkpinfo->differential = 1;
693// bkpinfo->differential = atoi (flag_val['D']);
694 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
695 fatal_error("The D option should be between 1 and 9 inclusive");
696 }
697 }
698
699 if (flag_set['x']) {
700 mr_asprintf(bkpinfo->image_devs, "%s", flag_val['x']);
701 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
702 fatal_error("Please install ntfsprogs package/tarball.");
703 }
704 }
705
706 if (flag_set['m']) {
707 bkpinfo->manual_cd_tray = TRUE;
708 }
709
710 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
711 mr_free(bkpinfo->kernel_path);
712 mr_asprintf(bkpinfo->kernel_path, "%s", flag_val['k']);
713 if (!does_file_exist(bkpinfo->kernel_path)) {
714 retval++;
715 log_to_screen("You specified kernel '%s', which does not exist\n", bkpinfo->kernel_path);
716 }
717 }
718
719 if (flag_set['p']) {
720 mr_free(bkpinfo->prefix);
721 mr_asprintf(bkpinfo->prefix, "%s", flag_val['p']);
722 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
723 }
724
725 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
726 if (flag_set['i']) {
727 mr_free(bkpinfo->isodir);
728 mr_asprintf(bkpinfo->isodir, "%s", flag_val['d']);
729 mr_asprintf(tmp1, "ls -l %s", bkpinfo->isodir);
730 if (run_program_and_log_output(tmp1, 2)) {
731 mr_free(tmp1);
732 fatal_error("output folder does not exist - please create it");
733 }
734 mr_free(tmp1);
735 } else if (flag_set['n']) {
736 mr_free(bkpinfo->netfs_remote_dir);
737 mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']);
738 } else { /* backup device (if tape/CD-R/CD-RW) */
739 mr_free(bkpinfo->media_device);
740 mr_asprintf(bkpinfo->media_device, "%s", flag_val['d']);
741 }
742 }
743
744 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
745 mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
746 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
747 mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
748 } else {
749 mr_asprintf(tmp2, "echo hi > %s", tmp1);
750 }
751 i = run_program_and_log_output(tmp2, 2);
752 mr_free(tmp2);
753
754 if (i) {
755 retval++;
756 log_to_screen(tmp2, "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);
757 }
758 unlink(tmp1);
759 mr_free(tmp1);
760 }
761
762 if (!flag_set['d'] && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
763 if (g_kernel_version >= 2.6) {
764 tmp2 = popup_and_get_string("Device", "Please specify the device", bkpinfo->media_device);
765 if (tmp2 == NULL) {
766 fatal_error("User opted to cancel.");
767 }
768 bkpinfo->media_device = tmp2;
769 } else {
770 bkpinfo->media_device = find_cdrw_device();
771 if (bkpinfo->media_device == NULL) {
772 retval++;
773 log_to_screen("Tried and failed to find CD-R[W] drive automatically.\n");
774 } else {
775 flag_set['d'] = TRUE;
776 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
777 }
778 }
779 }
780
781 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
782 retval++;
783 log_to_screen("Please specify the backup device/directory.\n");
784 fatal_error("You didn't use -d to specify the backup device/directory.");
785 }
786
787 for (i = '0'; i <= '9'; i++) {
788 if (flag_set[i]) {
789 bkpinfo->compression_level = i - '0';
790 } /* not '\0' but '0' */
791 }
792
793 if (flag_set['S']) {
794 /* Before changing remove old ones if any */
795 if (bkpinfo->scratchdir) {
796 if (chdir("/tmp")) {
797 // FIXME
798 }
799 mr_asprintf(tmp1, "rm -Rf %s", bkpinfo->scratchdir);
800 paranoid_system(tmp1);
801 mr_free(tmp1);
802 }
803 mr_asprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'], random() % 32768);
804 }
805
806 if (flag_set['T']) {
807 setup_tmpdir(flag_val['T']);
808 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir);
809 i = run_program_and_log_output(tmp1, 1);
810 mr_free(tmp1);
811
812 if (i) {
813 log_to_screen("Please specify a tempdir which I can write to. :)");
814 fatal_error("I cannot write to the tempdir you specified.");
815 }
816 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
817 i = run_program_and_log_output(tmp1, 1);
818 mr_free(tmp1);
819
820 if (i) {
821 retval++;
822 log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
823 fatal_error("I cannot write to the tempdir you specified.");
824 }
825 }
826
827 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
828 mr_asprintf(bkpinfo->call_after_iso, "%s", flag_val['A']);
829 }
830
831 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
832 mr_asprintf(bkpinfo->call_before_iso, "%s", flag_val['B']);
833 }
834
835 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
836 g_cd_recovery = TRUE;
837 }
838
839 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
840#ifdef __FreeBSD__
841# define BOOT_LOADER_CHARS "GLBMR"
842#else
843# ifdef __IA64__
844# define BOOT_LOADER_CHARS "GER"
845# else
846# define BOOT_LOADER_CHARS "GLR"
847# endif
848#endif
849 if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) {
850 log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader);
851 fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
852 }
853#undef BOOT_LOADER_CHARS
854 }
855
856 if (flag_set['f']) {
857 mr_free(bkpinfo->boot_device);
858 bkpinfo->boot_device = resolve_softlinks_to_get_to_actual_device_file(flag_val['f']);
859 }
860
861 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
862 mr_free(bkpinfo->postnuke_tarball);
863 mr_asprintf(bkpinfo->postnuke_tarball, "%s", flag_val['P']);
864 }
865
866 if (flag_set['Q']) {
867 i = which_boot_loader(NULL);
868 log_msg(3, "boot loader is %c", i);
869 printf("boot loader is %c\n", i);
870 finish(0);
871 }
872
873 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
874 bkpinfo->use_lzo = TRUE;
875 if (run_program_and_log_output("which lzop", 2)) {
876 retval++;
877 log_to_screen("Please install LZOP. You can't use '-L' until you do.\n");
878 }
879 }
880
881 if (flag_set['F']) {
882 log_msg(3, "-F means we will fail immediately at the first interaction request");
883 g_fail_immediately = TRUE;
884 }
885
886 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
887 bkpinfo->use_gzip = TRUE;
888 if (run_program_and_log_output("which gzip", 2)) {
889 retval++;
890 log_to_screen("Please install gzip. You can't use '-G' until you do.\n");
891 }
892 }
893
894 if ((flag_set['Y']) && (! bkpinfo->restore_data)) {
895 bkpinfo->use_lzma = TRUE;
896 if (run_program_and_log_output("which lzma", 2)) {
897 retval++;
898 log_to_screen("Please install lzma. You can't use '-Y' until you do.\n");
899 }
900 }
901
902 bkpinfo->use_obdr = FALSE;
903 if (flag_set['o']) {
904 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
905 log_to_screen("OBDR support is only available for tapes. Use the -t option");
906 fatal_error("Aborting");
907 }
908 bkpinfo->use_obdr = TRUE;
909 }
910
911#ifndef __FreeBSD__
912 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
913 bkpinfo->make_cd_use_lilo = TRUE;
914 log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore");
915 log_to_screen("using LILO instead of SYSLINUX as the media boot loader.");
916 }
917 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
918 bkpinfo->make_cd_use_lilo = TRUE;
919#ifdef __IA32__
920 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
921 log_to_screen("your boot loader. I shall therefore use LILO instead.");
922#endif
923#ifdef __IA64__
924 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
925 log_to_screen("environment correctly. Please install it.");
926 fatal_error("Aborting");
927#endif
928 }
929#ifdef __IA64__
930 /* We force ELILO usage on IA64 */
931 bkpinfo->make_cd_use_lilo = TRUE;
932#endif
933#endif
934
935 if (! bkpinfo->restore_data) {
936 i = flag_set['O'] + flag_set['V'];
937 if (i == 0) {
938 retval++;
939 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
940 }
941 }
942
943 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
944 fatal_error("The -Z switch is only valid in restore mode");
945 }
946
947 if (flag_set['Z']) {
948 if (! strcmp(flag_val['Z'], "nuke")) {
949 bkpinfo->restore_mode = nuke;
950 } else if (! strcmp(flag_val['Z'], "interactive")) {
951 bkpinfo->restore_mode = interactive;
952 } else if (! strcmp(flag_val['Z'], "compare")) {
953 bkpinfo->restore_mode = compare;
954 } else if (! strcmp(flag_val['Z'], "mbr")) {
955 bkpinfo->restore_mode = mbr;
956 } else if (! strcmp(flag_val['Z'], "iso")) {
957 bkpinfo->restore_mode = isoonly;
958 } else if (! strcmp(flag_val['Z'], "isonuke")) {
959 bkpinfo->restore_mode = isonuke;
960 } else {
961 bkpinfo->restore_mode = interactive;
962 }
963 }
964
965/* and finally... */
966
967 return (retval);
968}
969
970
971
972/**
973 * Get the switches from @p argc and @p argv using getopt() and place them in
974 * @p flag_set and @p flag_val.
975 * @param argc The argument count (@p argc passed to main()).
976 * @param argv The argument vector (@p argv passed to main()).
977 * @param flag_val An array indexed by switch letter - if a switch is set and
978 * has an argument then set flag_val[switch] to that argument.
979 * @param flag_set An array indexed by switch letter - if a switch is set then
980 * set flag_set[switch] to TRUE, else set it to FALSE.
981 * @return The number of problems with the command line (0 for success).
982 */
983int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128])
984{
985 /*@ ints ** */
986 int opt = 0;
987 int i = 0;
988 int len;
989
990 /*@ bools *** */
991 bool bad_switches = FALSE;
992
993 assert(flag_val != NULL);
994 assert(flag_set != NULL);
995
996 for (i = 0; i < 128; i++) {
997 flag_val[i][0] = '\0';
998 flag_set[i] = FALSE;
999 }
1000 while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) {
1001 if (opt == '?') {
1002 bad_switches = TRUE;
1003 } else {
1004 if (flag_set[opt]) {
1005 bad_switches = TRUE;
1006 log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]);
1007 } else {
1008 flag_set[opt] = TRUE;
1009 if (optarg) {
1010 len = strlen(optarg);
1011 if (optarg[0] != '/' && optarg[len - 1] == '/') {
1012 optarg[--len] = '\0';
1013 log_to_screen
1014 ("Warning - param '%s' should not have trailing slash!",
1015 optarg);
1016 }
1017 if (opt == 'd') {
1018 if (strchr(flag_val[opt], '/')
1019 && flag_val[opt][0] != '/') {
1020 log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
1021 bad_switches = TRUE;
1022 }
1023 }
1024 strcpy(flag_val[opt], optarg);
1025 }
1026 }
1027 }
1028 }
1029 for (i = optind; i < argc; i++) {
1030 bad_switches = TRUE;
1031 log_to_screen("Invalid arg -- %s\n", argv[i]);
1032 }
1033 return (bad_switches);
1034}
1035
1036
1037
1038
1039/**
1040 * Print a not-so-helpful help message and exit.
1041 */
1042void help_screen()
1043{
1044 log_msg(1, "Type 'man mondoarchive' for more information\n");
1045 exit(1);
1046}
1047
1048
1049/**
1050 * Terminate Mondo in response to a signal.
1051 * @param sig The signal number received.
1052 */
1053void terminate_daemon(int sig)
1054{
1055 char *tmp = NULL;
1056 char *tmp2 = NULL;
1057
1058 switch (sig) {
1059 case SIGINT:
1060 mr_asprintf(tmp, "SIGINT");
1061 mr_asprintf(tmp2, "You interrupted me :-)");
1062 break;
1063 case SIGKILL:
1064 mr_asprintf(tmp, "SIGKILL");
1065 mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1066 break;
1067 case SIGTERM:
1068 mr_asprintf(tmp, "SIGTERM");
1069 mr_asprintf(tmp2, "Got terminate signal");
1070 break;
1071 case SIGHUP:
1072 mr_asprintf(tmp, "SIGHUP");
1073 mr_asprintf(tmp2, "Hangup on line");
1074 break;
1075 case SIGSEGV:
1076 mr_asprintf(tmp, "SIGSEGV");
1077 mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1078 break;
1079 case SIGPIPE:
1080 mr_asprintf(tmp, "SIGPIPE");
1081 mr_asprintf(tmp2, "Pipe was broken");
1082 break;
1083 case SIGABRT:
1084 mr_asprintf(tmp, "SIGABRT");
1085 mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1086 break;
1087 default:
1088 mr_asprintf(tmp, "(Unknown)");
1089 mr_asprintf(tmp2, "(Unknown)");
1090 }
1091
1092 mr_strcat(tmp, " signal received from OS");
1093 log_to_screen(tmp);
1094 mr_free(tmp);
1095
1096 log_to_screen(tmp2);
1097 mr_free(tmp2);
1098 if (sig == SIGABRT) {
1099 sleep(10);
1100 }
1101 kill_buffer();
1102
1103 free_MR_global_filenames();
1104
1105 fatal_error("MondoRescue is terminating in response to a signal from the OS");
1106 finish(254); // just in case
1107}
1108
1109
1110
1111
1112/**
1113 * Turn signal-trapping on or off.
1114 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1115 */
1116void set_signals(int on)
1117{
1118 int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1119 int i;
1120
1121 signal(SIGPIPE, sigpipe_occurred);
1122 for (i = 0; signals[i]; i++) {
1123 if (on) {
1124 signal(signals[i], terminate_daemon);
1125 } else {
1126 signal(signals[i], termination_in_progress);
1127 }
1128 }
1129}
1130
1131
1132
1133
1134/**
1135 * Exit immediately without cleaning up.
1136 * @param sig The signal we are exiting due to.
1137 */
1138void termination_in_progress(int sig)
1139{
1140 log_msg(1, "Termination in progress");
1141 usleep(1000);
1142 pthread_exit(0);
1143}
1144
1145/* @} - end of cliGroup */
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