source: MondoRescue/branches/3.3/mondo/src/common/libmondo-cli.c@ 3628

Last change on this file since 3628 was 3628, checked in by Bruno Cornec, 7 years ago

Change mr_msg_init interface definition to include argc and argv, which allows to detect the presence of the -K option and setup the log level accordingly as early as possible
  • Property svn:keywords set to Id
File size: 32.2 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 3628 2016-12-21 14:18:07Z 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 char *q2 = NULL;
156
157 long itbs = 0L;
158
159 struct stat buf;
160
161 malloc_string(tmp);
162
163 assert(bkpinfo != NULL);
164 assert(flag_val != NULL);
165 assert(flag_set != NULL);
166
167 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
168
169 /* compulsory */
170 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
171 flag_set['t'] + flag_set['u'] + flag_set['r'] +
172 flag_set['w'] + flag_set['C'] + flag_set['U'];
173 if ((i == 0) && (! bkpinfo->restore_data)) {
174 retval++;
175 log_to_screen("You must specify the media type\n");
176 }
177 if (i > 1) {
178 retval++;
179 log_to_screen("Please specify only one media type\n");
180 }
181
182 if (flag_set['K']) {
183 g_loglevel = atoi(flag_val['K']);
184 log_msg(1,"Loglevel forced to %d",g_loglevel);
185 if (g_loglevel < 3) {
186 g_loglevel = 3;
187 }
188 }
189
190 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
191 retval++;
192 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
193 }
194 if (! bkpinfo->restore_data) {
195 bkpinfo->backup_data = flag_set['O'];
196 }
197 bkpinfo->verify_data = flag_set['V'];
198
199 if (flag_set['I'] && !bkpinfo->backup_data) {
200 log_to_screen("-I switch is ignored if just verifying");
201 }
202 if (flag_set['E'] && !bkpinfo->backup_data) {
203 log_to_screen("-E switch is ignored if just verifying");
204 }
205
206 if (!find_home_of_exe("afio")) {
207 if (find_home_of_exe("star")) {
208 flag_set['R'] = TRUE;
209 log_msg(1, "Using star instead of afio");
210 } else {
211 fatal_error("Neither afio nor star is installed. Please install at least one.");
212 }
213 }
214
215 if (flag_set['R']) {
216 bkpinfo->use_star = TRUE;
217 if (flag_set['L']) {
218 fatal_error("You may not use star and lzop at the same time.");
219 }
220 if (!find_home_of_exe("star")) {
221 fatal_error("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
222 }
223 }
224
225 if ((flag_set['W']) && (! bkpinfo->restore_data)) {
226 bkpinfo->nonbootable_backup = TRUE;
227 log_to_screen("Warning - you have opted for non-bootable backup");
228 if (flag_set['f'] || flag_set['l']) {
229 log_to_screen
230 ("You don't need to specify bootloader or bootdevice");
231 }
232 }
233
234 if (flag_set['I']) {
235 if (flag_val['I'][0] == '-') {
236 retval++;
237 log_to_screen("Please supply a sensible value with '-I'\n");
238 }
239 if (!strcmp(flag_val['I'],"/")) {
240 log_msg(2, "'/' is pleonastic.");
241 }
242 if (bkpinfo->include_paths && bkpinfo->include_paths[0]) {
243 mr_strcat(bkpinfo->include_paths, "|");
244 }
245
246 mr_asprintf(tmp1, "%s", flag_val['I']);
247 p = tmp1;
248 q = tmp1;
249
250 /* Cut the flag_val['I'] in parts containing all paths to test them */
251 while (p != NULL) {
252 q = strchr(p, '|');
253 if (q != NULL) {
254 *q = '\0';
255 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
256 log_msg(1, "ERROR ! %s doesn't exist", p);
257 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
258 }
259 p = q+1 ;
260 } else {
261 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
262 log_msg(1, "ERROR ! %s doesn't exist", p);
263 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
264 }
265 p = NULL;
266 }
267 }
268 mr_free(tmp1);
269 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
270 log_msg(4, "Finished with the -I option");
271 }
272
273 if (g_kernel_version >= 2.6 && !flag_set['d'] && (flag_set['c'] || flag_set['w']) && (! bkpinfo->restore_data)) {
274 fatal_error("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
275 }
276
277
278 if (flag_set['J']) {
279 if (flag_set['I']) {
280 retval++;
281 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. :-)");
282 }
283 bkpinfo->make_filelist = FALSE;
284 mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']);
285 }
286
287 if ((flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) && (! bkpinfo->restore_data)) {
288 if (!flag_set['r'] && g_kernel_version <= 2.5 && strstr(flag_val['d'], "/dev/")) {
289 fatal_error("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
290 }
291 if (flag_set['r'] && g_kernel_version <= 2.5 && !strstr(flag_val['d'], "/dev/")) {
292 fatal_error("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
293 }
294 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
295 log_to_screen("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
296 }
297
298 if (system("which cdrecord > /dev/null 2> /dev/null") && system("which dvdrecord > /dev/null 2> /dev/null")) {
299 fatal_error("Please install dvdrecord/cdrecord and try again.");
300 }
301 if (flag_set['C']) {
302 bkpinfo->cdrw_speed = atoi(flag_val['C']);
303 if (bkpinfo->cdrw_speed < 1) {
304 fatal_error("You specified a silly speed for a CD-R[W] drive");
305 }
306 if (!flag_set['L']) {
307 log_to_screen("You must use -L with -C. Therefore I am setting it for you.");
308 flag_set['L'] = 1;
309 flag_val['L'][0] = '\0';
310 }
311 } else {
312 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
313 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
314 if (flag_set['c']) {
315 bkpinfo->cdrw_speed = atoi(flag_val['c']);
316 } else if (flag_set['w']) {
317 bkpinfo->cdrw_speed = atoi(flag_val['w']);
318 } else if (flag_set['r']) {
319 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
320 }
321
322 if (bkpinfo->cdrw_speed < 1) {
323 fatal_error("You specified a silly speed for a CD-R[W] drive");
324 }
325 }
326 }
327
328 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
329 log_it("Hmm! No tape drive specified. Let's see what we can do.");
330 if (find_tape_device_and_size(flag_val['d'], tmp)) {
331 fatal_error("Tape device not specified. I couldn't find it either.");
332 }
333 flag_set['d'] = TRUE;
334 log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", flag_val['d']);
335 }
336
337 if (flag_set['U']) // USB
338 {
339 if (! flag_set['d']) {
340 fatal_error("You need to specify a device file with -d for bootable USB device usage");
341 }
342 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
343 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
344 }
345 }
346
347 if (flag_set['r']) // DVD
348 {
349 if (flag_set['m']) {
350 fatal_error("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
351 }
352 if (!flag_set['d']) {
353 if (!find_dvd_device(flag_val['d'], FALSE)) {
354 flag_set['d'] = TRUE;
355 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
356 }
357 }
358 if (strchr(flag_val['d'], ',')) {
359 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
360 }
361 if (! bkpinfo->restore_data) {
362 if (!find_home_of_exe("growisofs")) {
363 fatal_error("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
364 }
365 if (!find_home_of_exe("dvd+rw-format")) {
366 fatal_error("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
367 }
368 if (!flag_set['s']) {
369 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
370 strcat(flag_val['s'], "m");
371 log_to_screen("You did not specify a size (-s) for DVD. I'm guessing %s.", flag_val['s']);
372 flag_set['s'] = 1;
373 }
374 }
375 }
376
377 if (flag_set['t'] || flag_set['u']) { /* tape size */
378 if (strchr(flag_val['d'], ',')) {
379 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
380 }
381 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
382 if (flag_set['s']) {
383 if (flag_set['t']) {
384 fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
385 }
386 if (process_the_s_switch(flag_val['s'])) {
387 fatal_error("Bad -s switch");
388 }
389 } else if (flag_set['u'] || flag_set['t']) {
390 bkpinfo->media_size = 0;
391 } else {
392 retval++;
393 log_to_screen("Tape size not specified.\n");
394 }
395 }
396 } else if (! bkpinfo->restore_data) { /* CD|USB size */
397 if (flag_set['s']) {
398 if (process_the_s_switch(flag_val['s'])) {
399 fatal_error("Bad -s switch");
400 }
401 }
402 if (flag_set['w']) {
403 bkpinfo->wipe_media_first = TRUE;
404 } /* CD-RW */
405 }
406
407 if (flag_set['n']) {
408 mr_free(bkpinfo->netfs_mount);
409 mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']);
410 if (!flag_set['d']) {
411 mr_free(bkpinfo->netfs_remote_dir);
412 mr_asprintf(bkpinfo->netfs_remote_dir, "/");
413 strncpy(bkpinfo->isodir, ".", MAX_STR_LEN / 4);
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 tmp2 = call_program_and_get_last_line_of_output(tmp1);
467 mr_free(tmp1);
468 strncpy(bkpinfo->isodir, tmp2, MAX_STR_LEN / 4);
469 mr_free(tmp2);
470
471 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
472 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
473 if (bkpinfo->netfs_user) {
474 log_msg(3, "user = %s", bkpinfo->netfs_user);
475 }
476 log_msg(3, "isodir= %s", bkpinfo->isodir);
477
478 if (strlen(bkpinfo->isodir) < 3) {
479 log_to_screen("Network share %s is not mounted. Trying to mount it for you.\n",bkpinfo->netfs_mount);
480 if (bkpinfo->netfs_user) {
481 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
482 mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
483 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
484 mr_asprintf(tmp1, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user);
485 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
486 mr_asprintf(tmp1, "mount %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
487 } else {
488 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
489 fatal_error("Bad Protocol\n");
490 }
491 } else {
492 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
493 mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount);
494 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
495 mr_asprintf(tmp1, "mount -t cifs %s", bkpinfo->netfs_mount);
496 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
497 mr_asprintf(tmp1, "mount %s", bkpinfo->netfs_mount);
498 } else {
499 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
500 fatal_error("Bad Protocol\n");
501 }
502 }
503 i = system(tmp1);
504 mr_free(tmp1);
505
506 if (i) {
507 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
508 retval++;
509 } else {
510 if (bkpinfo->netfs_user) {
511 mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
512 } else {
513 mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
514 }
515 tmp2 = call_program_and_get_last_line_of_output(tmp1);
516 strncpy(bkpinfo->isodir, tmp2, MAX_STR_LEN / 4);
517 mr_free(tmp2);
518 if (strlen(bkpinfo->isodir) < 3) {
519 retval++;
520 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
521 }
522 }
523 }
524 }
525
526 if (flag_set['c']) {
527 bkpinfo->backup_media_type = cdr;
528 }
529 if (flag_set['C']) {
530 bkpinfo->backup_media_type = cdstream;
531 }
532 if (flag_set['i']) {
533 bkpinfo->backup_media_type = iso;
534 }
535 if (flag_set['n']) {
536 bkpinfo->backup_media_type = netfs;
537 /* Never try to eject a Network device */
538 bkpinfo->please_dont_eject = TRUE;
539 }
540 if (flag_set['r']) {
541 bkpinfo->backup_media_type = dvd;
542 }
543 if (flag_set['t']) {
544 bkpinfo->backup_media_type = tape;
545 }
546 if (flag_set['u']) {
547 bkpinfo->backup_media_type = udev;
548 }
549 if (flag_set['w']) {
550 bkpinfo->backup_media_type = cdrw;
551 }
552 if (flag_set['U']) {
553 bkpinfo->backup_media_type = usb;
554 /* Never try to eject a USB device */
555 bkpinfo->please_dont_eject = TRUE;
556 }
557 if (flag_set['z']) {
558 if (find_home_of_exe("getfattr")) {
559 mr_asprintf(g_getfattr,"getfattr");
560 }
561 if (find_home_of_exe("getfacl")) {
562 mr_asprintf(g_getfacl,"getfacl");
563 }
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 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
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 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
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 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
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 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
689 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
690 if (run_program_and_log_output(tmp, 2)) {
691 fatal_error("output folder does not exist - please create it");
692 }
693 } else if (flag_set['n']) {
694 mr_free(bkpinfo->netfs_remote_dir);
695 mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']);
696 } else { /* backup device (if tape/CD-R/CD-RW) */
697 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
698 }
699 }
700
701 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
702 mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
703 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
704 mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
705 } else {
706 mr_asprintf(tmp2, "echo hi > %s", tmp1);
707 }
708 i = run_program_and_log_output(tmp2, 2);
709 mr_free(tmp2);
710
711 if (i) {
712 retval++;
713 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);
714 }
715 unlink(tmp1);
716 mr_free(tmp1);
717 }
718
719 if (!flag_set['d'] && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
720 if (g_kernel_version >= 2.6) {
721 if (popup_and_get_string
722 ("Device", "Please specify the device",
723 bkpinfo->media_device, MAX_STR_LEN / 4)) {
724 retval++;
725 log_to_screen("User opted to cancel.");
726 }
727 } else if (find_cdrw_device(bkpinfo->media_device)) {
728 retval++;
729 log_to_screen
730 ("Tried and failed to find CD-R[W] drive automatically.\n");
731 } else {
732 flag_set['d'] = TRUE;
733 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
734 }
735 }
736
737 if ((!flag_set['d'] && !flag_set['n'] && !flag_set['C']) && (! bkpinfo->restore_data)) {
738 retval++;
739 log_to_screen("Please specify the backup device/directory.\n");
740 fatal_error("You didn't use -d to specify the backup device/directory.");
741 }
742
743 for (i = '0'; i <= '9'; i++) {
744 if (flag_set[i]) {
745 bkpinfo->compression_level = i - '0';
746 } /* not '\0' but '0' */
747 }
748
749 if (flag_set['S']) {
750 setup_scratchdir(flag_val['S']);
751 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->scratchdir);
752 if (run_program_and_log_output(tmp1, 1)) {
753 retval++;
754 mr_free(tmp1);
755 log_to_screen("Please specify a scratchdir which I can write to. :)");
756 fatal_error("I cannot write to the scratchdir you specified.");
757 }
758 mr_free(tmp1);
759
760 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->scratchdir, bkpinfo->scratchdir);
761 if (run_program_and_log_output(tmp1, 1)) {
762 retval++;
763 mr_free(tmp1);
764 log_to_screen("Please don't specify a SAMBA or VFAT or NFS scratchdir.");
765 fatal_error("I cannot write to the scratchdir you specified.");
766 }
767 mr_free(tmp1);
768 }
769
770 if (flag_set['T']) {
771 setup_tmpdir(flag_val['T']);
772 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir);
773 i = run_program_and_log_output(tmp1, 1);
774 mr_free(tmp1);
775
776 if (i) {
777 retval++;
778 log_to_screen("Please specify a tempdir which I can write to. :)");
779 fatal_error("I cannot write to the tempdir you specified.");
780 }
781 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
782 i = run_program_and_log_output(tmp1, 1);
783 mr_free(tmp1);
784
785 if (i) {
786 retval++;
787 log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
788 fatal_error("I cannot write to the tempdir you specified.");
789 }
790 }
791
792 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
793 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
794 }
795
796 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
797 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
798 }
799
800 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
801 g_cd_recovery = TRUE;
802 }
803
804 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
805#ifdef __FreeBSD__
806# define BOOT_LOADER_CHARS "GLBMR"
807#else
808# ifdef __IA64__
809# define BOOT_LOADER_CHARS "GER"
810# else
811# define BOOT_LOADER_CHARS "GLR"
812# endif
813#endif
814 if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) {
815 log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader);
816 fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
817 }
818#undef BOOT_LOADER_CHARS
819 }
820
821 if (flag_set['f']) {
822 mr_free(bkpinfo->boot_device);
823 mr_asprintf(bkpinfo->boot_device, "%s", resolve_softlinks_to_get_to_actual_device_file(flag_val['f']));
824 }
825
826 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
827 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
828 }
829
830 if (flag_set['Q']) {
831 i = which_boot_loader(tmp);
832 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
833 printf("boot loader is %c, residing at %s\n", i, tmp);
834 finish(0);
835 }
836
837 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
838 bkpinfo->use_lzo = TRUE;
839 if (run_program_and_log_output("which lzop", 2)) {
840 retval++;
841 log_to_screen("Please install LZOP. You can't use '-L' until you do.\n");
842 }
843 }
844
845 if (flag_set['F']) {
846 log_msg(3, "-F means we will fail immediately at the first interaction request");
847 g_fail_immediately = TRUE;
848 }
849
850 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
851 bkpinfo->use_gzip = TRUE;
852 if (run_program_and_log_output("which gzip", 2)) {
853 retval++;
854 log_to_screen("Please install gzip. You can't use '-G' until you do.\n");
855 }
856 }
857
858 if ((flag_set['Y']) && (! bkpinfo->restore_data)) {
859 bkpinfo->use_lzma = TRUE;
860 if (run_program_and_log_output("which lzma", 2)) {
861 retval++;
862 log_to_screen("Please install lzma. You can't use '-Y' until you do.\n");
863 }
864 }
865
866 bkpinfo->use_obdr = FALSE;
867 if (flag_set['o']) {
868 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
869 log_to_screen("OBDR support is only available for tapes. Use the -t option");
870 fatal_error("Aborting");
871 }
872 bkpinfo->use_obdr = TRUE;
873 }
874
875#ifndef __FreeBSD__
876 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
877 bkpinfo->make_cd_use_lilo = TRUE;
878 log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore");
879 log_to_screen("using LILO instead of SYSLINUX as the media boot loader.");
880 }
881 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
882 bkpinfo->make_cd_use_lilo = TRUE;
883#ifdef __IA32__
884 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
885 log_to_screen("your boot loader. I shall therefore use LILO instead.");
886#endif
887#ifdef __IA64__
888 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
889 log_to_screen("environment correctly. Please install it.");
890 fatal_error("Aborting");
891#endif
892 }
893#ifdef __IA64__
894 /* We force ELILO usage on IA64 */
895 bkpinfo->make_cd_use_lilo = TRUE;
896#endif
897#endif
898
899 if (! bkpinfo->restore_data) {
900 i = flag_set['O'] + flag_set['V'];
901 if (i == 0) {
902 retval++;
903 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
904 }
905 }
906
907 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
908 fatal_error("The -Z switch is only valid in restore mode");
909 }
910
911 if (flag_set['Z']) {
912 if (! strcmp(flag_val['Z'], "nuke")) {
913 bkpinfo->restore_mode = nuke;
914 } else if (! strcmp(flag_val['Z'], "interactive")) {
915 bkpinfo->restore_mode = interactive;
916 } else if (! strcmp(flag_val['Z'], "compare")) {
917 bkpinfo->restore_mode = compare;
918 } else if (! strcmp(flag_val['Z'], "mbr")) {
919 bkpinfo->restore_mode = mbr;
920 } else if (! strcmp(flag_val['Z'], "iso")) {
921 bkpinfo->restore_mode = isoonly;
922 } else if (! strcmp(flag_val['Z'], "isonuke")) {
923 bkpinfo->restore_mode = isonuke;
924 } else {
925 bkpinfo->restore_mode = interactive;
926 }
927 }
928
929/* and finally... */
930
931 paranoid_free(tmp);
932 return (retval);
933}
934
935
936
937/**
938 * Get the switches from @p argc and @p argv using getopt() and place them in
939 * @p flag_set and @p flag_val.
940 * @param argc The argument count (@p argc passed to main()).
941 * @param argv The argument vector (@p argv passed to main()).
942 * @param flag_val An array indexed by switch letter - if a switch is set and
943 * has an argument then set flag_val[switch] to that argument.
944 * @param flag_set An array indexed by switch letter - if a switch is set then
945 * set flag_set[switch] to TRUE, else set it to FALSE.
946 * @return The number of problems with the command line (0 for success).
947 */
948int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128])
949{
950 /*@ ints ** */
951 int opt = 0;
952 int i = 0;
953 int len;
954
955 /*@ bools *** */
956 bool bad_switches = FALSE;
957
958 assert(flag_val != NULL);
959 assert(flag_set != NULL);
960
961 for (i = 0; i < 128; i++) {
962 flag_val[i][0] = '\0';
963 flag_set[i] = FALSE;
964 }
965 while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) {
966 if (opt == '?') {
967 bad_switches = TRUE;
968 } else {
969 if (flag_set[opt]) {
970 bad_switches = TRUE;
971 log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]);
972 } else {
973 flag_set[opt] = TRUE;
974 if (optarg) {
975 len = strlen(optarg);
976 if (optarg[0] != '/' && optarg[len - 1] == '/') {
977 optarg[--len] = '\0';
978 log_to_screen("Warning - param '%s' should not have trailing slash!", optarg);
979 }
980 if (opt == 'd') {
981 if (strchr(flag_val[opt], '/')
982 && flag_val[opt][0] != '/') {
983 log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
984 bad_switches = TRUE;
985 }
986 }
987 strcpy(flag_val[opt], optarg);
988 }
989 }
990 }
991 }
992 for (i = optind; i < argc; i++) {
993 bad_switches = TRUE;
994 log_to_screen("Invalid arg -- %s\n", argv[i]);
995 }
996 return (bad_switches);
997}
998
999
1000
1001
1002/**
1003 * Print a not-so-helpful help message and exit.
1004 */
1005void help_screen()
1006{
1007 log_msg(1, "Type 'man mondoarchive' for more information");
1008 exit(1);
1009}
1010
1011
1012/**
1013 * Terminate Mondo in response to a signal.
1014 * @param sig The signal number received.
1015 */
1016void terminate_daemon(int sig)
1017{
1018 char *tmp = NULL;
1019 char *tmp2 = NULL;
1020
1021 switch (sig) {
1022 case SIGINT:
1023 mr_asprintf(tmp, "SIGINT");
1024 mr_asprintf(tmp2, "You interrupted me :-)");
1025 break;
1026 case SIGKILL:
1027 mr_asprintf(tmp, "SIGKILL");
1028 mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1029 break;
1030 case SIGTERM:
1031 mr_asprintf(tmp, "SIGTERM");
1032 mr_asprintf(tmp2, "Got terminate signal");
1033 break;
1034 case SIGHUP:
1035 mr_asprintf(tmp, "SIGHUP");
1036 mr_asprintf(tmp2, "Hangup on line");
1037 break;
1038 case SIGSEGV:
1039 mr_asprintf(tmp, "SIGSEGV");
1040 mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log.");
1041 break;
1042 case SIGPIPE:
1043 mr_asprintf(tmp, "SIGPIPE");
1044 mr_asprintf(tmp2, "Pipe was broken");
1045 break;
1046 case SIGABRT:
1047 mr_asprintf(tmp, "SIGABRT");
1048 mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1049 break;
1050 default:
1051 mr_asprintf(tmp, "(Unknown)");
1052 mr_asprintf(tmp2, "(Unknown)");
1053 }
1054
1055 mr_strcat(tmp, " signal received from OS");
1056 log_to_screen(tmp);
1057 mr_free(tmp);
1058
1059 log_to_screen(tmp2);
1060 mr_free(tmp2);
1061 if (sig == SIGABRT) {
1062 sleep(10);
1063 }
1064 kill_buffer();
1065
1066 free_MR_global_filenames();
1067
1068 fatal_error("MondoRescue is terminating in response to a signal from the OS");
1069 finish(254); // just in case
1070}
1071
1072
1073
1074
1075/**
1076 * Turn signal-trapping on or off.
1077 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1078 */
1079void set_signals(int on)
1080{
1081 int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1082 int i;
1083
1084 signal(SIGPIPE, sigpipe_occurred);
1085 for (i = 0; signals[i]; i++) {
1086 if (on) {
1087 signal(signals[i], terminate_daemon);
1088 } else {
1089 signal(signals[i], termination_in_progress);
1090 }
1091 }
1092}
1093
1094
1095
1096
1097/**
1098 * Exit immediately without cleaning up.
1099 * @param sig The signal we are exiting due to.
1100 */
1101void termination_in_progress(int sig)
1102{
1103 log_msg(1, "Termination in progress");
1104 usleep(1000);
1105 pthread_exit(0);
1106}
1107
1108/* @} - end of cliGroup */
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