source: MondoRescue/branches/3.3/mondo/src/common/libmondo-cli.c@ 3883

Last change on this file since 3883 was 3883, checked in by Bruno Cornec, 3 months ago

Remove the possibility to have non bootable media
  • Property svn:keywords set to Id
File size: 29.7 KB
Line 
1/***************************************************************************
2$Id: libmondo-cli.c 3883 2024-03-09 23:58:41Z 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-string-EXT.h"
18#include "libmondo-files-EXT.h"
19#include "libmondo-stream-EXT.h"
20#include "libmondo-devices-EXT.h"
21#include "libmondo-fork-EXT.h"
22#include "libmondo-fifo-EXT.h"
23#include "newt-specific-EXT.h"
24
25extern int g_loglevel;
26extern bool g_text_mode;
27extern bool g_fail_immediately;
28extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
29extern char *MONDO_OPTIONS;
30
31/*@ file pointer **************************************************/
32extern FILE *g_tape_stream;
33
34/*@ long long *****************************************************/
35extern long long g_tape_posK;
36
37/*@ long **********************************************************/
38extern long g_noof_sets;
39
40/*@ bool******** **************************************************/
41bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup
42bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup
43extern bool g_cd_recovery;
44
45extern void setup_tmpdir(char *path);
46extern void setup_scratchdir(char *path);
47void mr_make_devlist_from_pathlist(char *pathlist, char mode);
48extern double g_kernel_version;
49extern int g_current_media_number;
50extern pid_t g_main_pid;
51extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
52extern char *call_program_and_get_last_line_of_output(const char *);
53
54extern t_boot mr_boot_type(void);
55
56/* Do we use extended attributes and acl ?
57 * By default no, use -z option to force their usage */
58extern char *g_getfacl;
59extern char *g_getfattr;
60
61/* Reference to global bkpinfo */
62extern struct s_bkpinfo *bkpinfo;
63
64extern void free_MR_global_filenames(void);
65
66long g_max_biggie_size = BIGGIEMAXSIZE;
67
68
69/**
70 * Store the sizespec(s) stored in @p value into @p bkpinfo.
71 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
72 * @param value The sizespec (e.g. "2g", "40m").
73 * @return 0, always.
74 * @bug Return code not needed.
75 */
76int process_the_s_switch(char *value)
77{
78 assert(bkpinfo != NULL);
79 assert(value != NULL);
80
81 bkpinfo->media_size = -1; /* dummy value */
82 bkpinfo->media_size = friendly_sizestr_to_sizelong(value);
83 log_msg(3, "media_size = %ld", bkpinfo->media_size);
84 if (bkpinfo->media_size <= 0) {
85 log_msg(1, "You gave media an invalid size %s", value);
86 return (-1);
87 }
88 return (0);
89}
90
91
92/**
93 * Print a not-so-helpful help message and exit.
94 */
95void help_screen()
96{
97 log_msg(1, "Type 'man mondoarchive' for more information");
98 exit(1);
99}
100
101
102/**
103 * Get the switches from @p argc and @p argv using getopt() and place them in
104 * @p flag_set and @p flag_val.
105 * @param argc The argument count (@p argc passed to main()).
106 * @param argv The argument vector (@p argv passed to main()).
107 * @param flag_val An array indexed by switch letter - if a switch is set and
108 * has an argument then set flag_val[switch] to that argument.
109 * @param flag_set An array indexed by switch letter - if a switch is set then
110 * set flag_set[switch] to TRUE, else set it to FALSE.
111 * @return The number of problems with the command line (0 for success).
112 */
113int retrieve_switches_from_command_line(int argc, char *argv[], char flag_val[128][MAX_STR_LEN], bool flag_set[128])
114{
115 /*@ ints ** */
116 int opt = 0;
117 int i = 0;
118 int len;
119
120 /*@ bools *** */
121 bool bad_switches = FALSE;
122
123 assert(flag_val != NULL);
124 assert(flag_set != NULL);
125
126 for (i = 0; i < 128; i++) {
127 flag_val[i][0] = '\0';
128 flag_set[i] = FALSE;
129 }
130 while ((opt = getopt(argc, argv, MONDO_OPTIONS)) != -1) {
131 if (opt == '?') {
132 bad_switches = TRUE;
133 } else {
134 if (flag_set[opt]) {
135 bad_switches = TRUE;
136 log_to_screen("Switch -%c previously defined as %s\n", opt, flag_val[opt]);
137 } else {
138 flag_set[opt] = TRUE;
139 if (optarg) {
140 len = strlen(optarg);
141 if (optarg[0] != '/' && optarg[len - 1] == '/') {
142 optarg[--len] = '\0';
143 log_to_screen("Warning - param '%s' should not have trailing slash!", optarg);
144 }
145 if (opt == 'd') {
146 if (strchr(flag_val[opt], '/')
147 && flag_val[opt][0] != '/') {
148 log_to_screen("-%c flag --- must be absolute path --- '%s' isn't absolute", opt, flag_val[opt]);
149 bad_switches = TRUE;
150 }
151 }
152 strcpy(flag_val[opt], optarg);
153 }
154 }
155 }
156 }
157 for (i = optind; i < argc; i++) {
158 bad_switches = TRUE;
159 log_to_screen("Invalid arg -- %s\n", argv[i]);
160 }
161 return (bad_switches);
162}
163
164
165/**
166 * Process mondoarchive's command-line switches.
167 * @param bkpinfo The backup information structure to populate.
168 * @param flag_val An array of the argument passed to each switch (the letter is the index).
169 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
170 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
171 * FALSE if it's not.
172 * @return The number of problems with the switches, or 0 for success.
173 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
174 */
175int
176process_switches(char flag_val[128][MAX_STR_LEN], bool flag_set[128])
177{
178
179 /*@ ints *** */
180 int i = 0;
181 int retval = 0;
182
183 /*@ buffers ** */
184 char *tmp = NULL;
185 char *tmp1 = NULL;
186 char *tmp2 = NULL;
187 char *psz = NULL;
188 char *p = NULL;
189 char *q = NULL;
190 char *q2 = NULL;
191
192 long itbs = 0L;
193
194 struct stat buf;
195
196 malloc_string(tmp);
197
198 assert(bkpinfo != NULL);
199 assert(flag_val != NULL);
200 assert(flag_set != NULL);
201
202 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
203
204 /* compulsory */
205 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
206 flag_set['t'] + flag_set['u'] + flag_set['U'];
207 if ((i == 0) && (! bkpinfo->restore_data)) {
208 retval++;
209 log_to_screen("You must specify the media type\n");
210 }
211 if (i > 1) {
212 retval++;
213 log_to_screen("Please specify only one media type\n");
214 }
215
216 if (flag_set['K']) {
217 g_loglevel = atoi(flag_val['K']);
218 log_msg(1,"Loglevel forced to %d",g_loglevel);
219 if (g_loglevel < 3) {
220 g_loglevel = 3;
221 }
222 }
223
224 if ((flag_set['L'] && flag_set['0']) && (! bkpinfo->restore_data)) {
225 retval++;
226 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
227 }
228 if (! bkpinfo->restore_data) {
229 bkpinfo->backup_data = flag_set['O'];
230 }
231 bkpinfo->verify_data = flag_set['V'];
232
233 if (flag_set['I'] && !bkpinfo->backup_data) {
234 log_to_screen("-I switch is ignored if just verifying");
235 }
236 if (flag_set['E'] && !bkpinfo->backup_data) {
237 log_to_screen("-E switch is ignored if just verifying");
238 }
239
240 if ((tmp = find_home_of_exe("afio")) == NULL) {
241 mr_free(tmp);
242 if ((tmp = find_home_of_exe("star")) != NULL) {
243 mr_free(tmp);
244 flag_set['R'] = TRUE;
245 log_msg(1, "Using star instead of afio");
246 } else {
247 mr_free(tmp);
248 fatal_error("Neither afio nor star is installed. Please install at least one.");
249 }
250 }
251
252 if (flag_set['R']) {
253 bkpinfo->use_star = TRUE;
254 if (flag_set['L']) {
255 fatal_error("You may not use star and lzop at the same time.");
256 }
257 if ((tmp = find_home_of_exe("star")) == NULL) {
258 mr_free(tmp);
259 fatal_error("Please install 'star' if you are going to use -R. Thanks.");
260 }
261 mr_free(tmp);
262 }
263
264 if (flag_set['I']) {
265 if (flag_val['I'][0] == '-') {
266 retval++;
267 log_to_screen("Please supply a sensible value with '-I'\n");
268 }
269 if (!strcmp(flag_val['I'],"/")) {
270 log_msg(2, "'/' is pleonastic.");
271 }
272 if (bkpinfo->include_paths && bkpinfo->include_paths[0]) {
273 mr_strcat(bkpinfo->include_paths, "|");
274 }
275
276 mr_asprintf(tmp1, "%s", flag_val['I']);
277 p = tmp1;
278 q = tmp1;
279
280 /* Cut the flag_val['I'] in parts containing all paths to test them */
281 while (p != NULL) {
282 q = strchr(p, '|');
283 if (q != NULL) {
284 *q = '\0';
285 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
286 log_msg(1, "ERROR ! %s doesn't exist", p);
287 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
288 }
289 p = q+1 ;
290 } else {
291 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
292 log_msg(1, "ERROR ! %s doesn't exist", p);
293 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
294 }
295 p = NULL;
296 }
297 }
298 mr_free(tmp1);
299 mr_make_devlist_from_pathlist(flag_val['I'], 'I');
300 log_msg(4, "Finished with the -I option");
301 }
302
303 if (flag_set['J']) {
304 if (flag_set['I']) {
305 retval++;
306 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. :-)");
307 }
308 bkpinfo->make_filelist = FALSE;
309 mr_asprintf(bkpinfo->include_paths, "%s", flag_val['J']);
310 }
311
312 if (flag_set['c'] && (! bkpinfo->restore_data)) {
313 if (system("which cdrecord > /dev/null 2> /dev/null")) {
314 fatal_error("Please install cdrecord and try again.");
315 }
316 if (!flag_set['d']) {
317 if ((bkpinfo->media_device = find_optical_device()) != NULL) {
318 flag_set['d'] = TRUE;
319 log_to_screen("I guess optical drive is at %s", bkpinfo->media_device);
320 }
321 }
322
323 if (! bkpinfo->restore_data) {
324 if (!flag_set['s']) {
325 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
326 strcat(flag_val['s'], "m");
327 log_to_screen("You did not specify a size (-s) for your media. I'm guessing %s.", flag_val['s']);
328 flag_set['s'] = 1;
329 }
330 }
331 }
332
333 if ((flag_set['t'] && !flag_set['d']) && (! bkpinfo->restore_data)) {
334 log_it("Hmm! No tape drive specified. Let's see what we can do.");
335 if ((bkpinfo->media_device = find_tape_device()) == NULL) {
336 fatal_error("Tape device not specified and I couldn't find it either. Please use option -d");
337 }
338 flag_set['d'] = TRUE;
339 log_to_screen("You didn't specify a tape streamer device. I'm assuming %s", bkpinfo->media_device);
340 }
341
342 if (flag_set['U']) // USB
343 {
344 if (! flag_set['d']) {
345 fatal_error("You need to specify a device file with -d for bootable USB device usage");
346 }
347 if ((!flag_set['s']) && (! bkpinfo->restore_data)) {
348 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
349 }
350 }
351
352 if (flag_set['t'] || flag_set['u']) { /* tape size */
353 if (strchr(flag_val['d'], ',')) {
354 fatal_error("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
355 }
356 if ((flag_set['O']) && (! bkpinfo->restore_data)) {
357 if (flag_set['s']) {
358 if (flag_set['t']) {
359 fatal_error("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
360 }
361 if (process_the_s_switch(flag_val['s'])) {
362 fatal_error("Bad -s switch");
363 }
364 } else if (flag_set['u'] || flag_set['t']) {
365 bkpinfo->media_size = 0;
366 } else {
367 retval++;
368 log_to_screen("Tape size not specified.\n");
369 }
370 }
371 } else if (! bkpinfo->restore_data) { /* CD|USB size */
372 if (flag_set['s']) {
373 if (process_the_s_switch(flag_val['s'])) {
374 fatal_error("Bad -s switch");
375 }
376 }
377 if (flag_set['w']) {
378 bkpinfo->wipe_media_first = TRUE;
379 } /* DVD/CD-RW */
380 }
381
382 if (flag_set['n']) {
383 mr_asprintf(bkpinfo->netfs_mount, "%s", flag_val['n']);
384 if (!flag_set['d']) {
385 mr_asprintf(bkpinfo->netfs_remote_dir, "/");
386 mr_asprintf(bkpinfo->isodir, "%s", ".");
387 }
388 /* test for protocol */
389 p = strstr(bkpinfo->netfs_mount, "://");
390 if (p == NULL) {
391 /* protocol not found assuming NFS for compatibility */
392 mr_asprintf(q,"nfs");
393
394 p = strchr(bkpinfo->netfs_mount, ':');
395 if (p == NULL) {
396 fatal_error("No protocol specified for remote share mount, nor any old NFS syntax found.\nPlease do man mondoarchive as syntax changed");
397 }
398 /* p points on to the string server:/path */
399 p = bkpinfo->netfs_mount;
400
401 } else {
402 /* Isolate the protocol */
403 *p = '\0';
404 mr_asprintf(q,"%s",bkpinfo->netfs_mount);
405
406 /* Skip proto now */
407 p++;
408 p++;
409 p++;
410 }
411 /* whatever done before proto is pointed to by q */
412 bkpinfo->netfs_proto = q;
413
414 /* p points on to the string server:/path */
415 /* Store the 2 values */
416 q2 = bkpinfo->netfs_mount;
417 mr_asprintf(bkpinfo->netfs_mount, "%s", p);
418 mr_free(q2);
419
420 /* test if we specified a user */
421 p = strchr(bkpinfo->netfs_mount, '@');
422 if (p != NULL) {
423 /* User found. Store the 2 values */
424 mr_asprintf(bkpinfo->netfs_user, "%s", bkpinfo->netfs_mount);
425 p = strchr(bkpinfo->netfs_user, '@');
426 *p = '\0';
427 p = strchr(bkpinfo->netfs_mount, '@');
428 p++;
429 /* new netfs mount */
430 q2 = bkpinfo->netfs_mount;
431 mr_asprintf(bkpinfo->netfs_mount, "%s", p);
432 mr_free(q2);
433 }
434 if (bkpinfo->netfs_user != NULL) {
435 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
436 } else {
437 mr_asprintf(tmp1, "mount | grep -E \"^[a-z]*#*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
438 }
439 mr_free(bkpinfo->isodir);
440 bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1);
441 mr_free(tmp1);
442
443 log_msg(3, "proto = %s", bkpinfo->netfs_proto);
444 log_msg(3, "mount = %s", bkpinfo->netfs_mount);
445 if (bkpinfo->netfs_user) {
446 log_msg(3, "user = %s", bkpinfo->netfs_user);
447 }
448 log_msg(3, "isodir= %s", bkpinfo->isodir);
449
450 if (strlen(bkpinfo->isodir) < 3) {
451 log_to_screen("Network share %s is not mounted. Trying to mount it for you.\n",bkpinfo->netfs_mount);
452 if (bkpinfo->netfs_user) {
453 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
454 mr_asprintf(tmp1, "sshfs %s@%s", bkpinfo->netfs_user, bkpinfo->netfs_mount);
455 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
456 mr_asprintf(tmp1, "mount -t cifs %s -o user=%s", bkpinfo->netfs_mount, bkpinfo->netfs_user);
457 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
458 mr_asprintf(tmp1, "mount -t %s %s@%s", bkpinfo->netfs_proto, bkpinfo->netfs_user, bkpinfo->netfs_mount);
459 } else {
460 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
461 fatal_error("Bad Protocol\n");
462 }
463 } else {
464 if (strstr(bkpinfo->netfs_proto, "sshfs")) {
465 mr_asprintf(tmp1, "sshfs %s", bkpinfo->netfs_mount);
466 } else if (strstr(bkpinfo->netfs_proto, "smbfs")) {
467 mr_asprintf(tmp1, "mount -t cifs %s", bkpinfo->netfs_mount);
468 } else if (strstr(bkpinfo->netfs_proto, "nfs")) {
469 mr_asprintf(tmp1, "mount -t %s %s", bkpinfo->netfs_proto, bkpinfo->netfs_mount);
470 } else {
471 log_to_screen("Protocol %s not supported yet for network backups.\n", bkpinfo->netfs_proto);
472 fatal_error("Bad Protocol\n");
473 }
474 }
475 i = system(tmp1);
476 mr_free(tmp1);
477
478 if (i) {
479 log_to_screen("Unable to mount Network share %s. Please mount manually.\n", bkpinfo->netfs_mount);
480 retval++;
481 } else {
482 if (bkpinfo->netfs_user) {
483 mr_asprintf(tmp1, "mount | grep -E \"^[%s@]*%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_user, bkpinfo->netfs_mount);
484 } else {
485 mr_asprintf(tmp1, "mount | grep -E \"^%s[/]* .*\" | cut -d' ' -f3", bkpinfo->netfs_mount);
486 }
487 mr_free(bkpinfo->isodir);
488 bkpinfo->isodir = call_program_and_get_last_line_of_output(tmp1);
489 if (strlen(bkpinfo->isodir) < 3) {
490 retval++;
491 log_to_screen("Network share %s is strangely not mounted. Please mount manually...\n", bkpinfo->netfs_mount);
492 }
493 }
494 }
495 }
496
497 if (flag_set['c']) {
498 bkpinfo->backup_media_type = optical;
499 }
500 if (flag_set['i']) {
501 bkpinfo->backup_media_type = iso;
502 }
503 if (flag_set['n']) {
504 bkpinfo->backup_media_type = netfs;
505 /* Never try to eject a Network device */
506 bkpinfo->please_dont_eject = TRUE;
507 }
508 if (flag_set['t']) {
509 bkpinfo->backup_media_type = tape;
510 }
511 if (flag_set['u']) {
512 bkpinfo->backup_media_type = udev;
513 }
514 if (flag_set['U']) {
515 bkpinfo->backup_media_type = usb;
516 /* Never try to eject a USB device */
517 bkpinfo->please_dont_eject = TRUE;
518 }
519 if (flag_set['z']) {
520 if ((tmp = find_home_of_exe("getfattr")) != NULL) {
521 mr_asprintf(g_getfattr,"getfattr");
522 }
523 mr_free(tmp);
524 if ((tmp = find_home_of_exe("getfacl")) != NULL) {
525 mr_asprintf(g_getfattr,"getfaacl");
526 }
527 mr_free(tmp);
528 }
529
530 /* optional, popular */
531 if (flag_set['g']) {
532 g_text_mode = FALSE;
533 }
534
535 if (flag_set['E']) {
536 if ((flag_val['E'][0] == '-')) {
537 retval++;
538 log_to_screen("Please supply a sensible value with '-E'\n");
539 }
540 mr_asprintf(tmp1, "%s", flag_val['E']);
541
542 p = tmp1;
543 q = tmp1;
544
545 /* Cut the flag_val['E'] in parts containing all paths to test them */
546 while (p != NULL) {
547 q = strchr(p, '|');
548 if (q != NULL) {
549 *q = '\0';
550 /* Fix bug 14 where ending / cause a problem later
551 * so handled here for the moment */
552 q--;
553 if (*q == '/') {
554 *q = '\0';
555 }
556 q++;
557 /* End of bug fix */
558 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
559 log_msg(1, "WARNING ! %s doesn't exist", p);
560 }
561 p = q+1 ;
562 } else {
563 if ((stat(p, &buf) != 0) && (! bkpinfo->restore_data)) {
564 log_msg(1, "WARNING ! %s doesn't exist", p);
565 }
566 p = NULL;
567 }
568 }
569 mr_free(tmp1);
570
571 mr_make_devlist_from_pathlist(flag_val['E'], 'E');
572 log_msg(4, "Finished with the -E option");
573 }
574
575 if (flag_set['e']) {
576 bkpinfo->please_dont_eject = TRUE;
577 }
578
579 if (flag_set['M']) {
580 g_max_biggie_size = atol(flag_val['M']);
581 log_msg(1, "Max size for biggie file is now %ld KB", g_max_biggie_size);
582 }
583
584 if ((flag_set['N']) && (! bkpinfo->restore_data)) // exclude Network mounts & devices
585 {
586 psz = list_of_NETFS_mounts_only();
587 log_msg(5, "-N means we'll exclude %s", psz);
588 if (bkpinfo->exclude_paths) {
589 mr_strcat(bkpinfo->exclude_paths, "|%s", psz);
590 mr_free(psz);
591 } else {
592 bkpinfo->exclude_paths = psz;
593 }
594
595 if (bkpinfo->exclude_paths != NULL) {
596 log_msg(3, "-N means we're now excluding %s", bkpinfo->exclude_paths);
597 }
598 }
599
600 if (flag_set['b']) {
601 mr_asprintf(psz, "%s", flag_val['b']);
602 log_msg(1, "psz = '%s'", psz);
603 if (psz[strlen(psz) - 1] == 'k') {
604 psz[strlen(psz) - 1] = '\0';
605 itbs = atol(psz) * 1024L;
606 } else {
607 itbs = atol(psz);
608 }
609 mr_free(psz);
610 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
611 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
612 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
613 fatal_error("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
614 }
615 bkpinfo->internal_tape_block_size = itbs;
616 }
617
618 if ((flag_set['D']) && (! bkpinfo->restore_data)) {
619 bkpinfo->differential = 1;
620// bkpinfo->differential = atoi (flag_val['D']);
621 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
622 fatal_error("The D option should be between 1 and 9 inclusive");
623 }
624 }
625
626 if (flag_set['x']) {
627 mr_asprintf(bkpinfo->image_devs, "%s", flag_val['x']);
628 if ((run_program_and_log_output("which ntfsclone", 2)) && (! bkpinfo->restore_data)) {
629 fatal_error("Please install ntfsprogs package/tarball.");
630 }
631 }
632
633 if (flag_set['m']) {
634 bkpinfo->manual_cd_tray = TRUE;
635 }
636
637 if ((flag_set['k']) && (! bkpinfo->restore_data)) {
638 mr_asprintf(bkpinfo->kernel_path, "%s", flag_val['k']);
639 if (!does_file_exist(bkpinfo->kernel_path)) {
640 retval++;
641 log_to_screen("You specified kernel '%s', which does not exist\n", bkpinfo->kernel_path);
642 }
643 }
644
645 if (flag_set['p']) {
646 mr_asprintf(bkpinfo->prefix, "%s", flag_val['p']);
647 log_msg(1,"Prefix forced to %s",bkpinfo->prefix);
648 }
649
650 if (flag_set['d']) { /* backup directory (if ISO/NETFS) */
651 if (flag_set['i']) {
652 // what is flag_val['d'] is NULL/undefined
653 mr_asprintf(bkpinfo->isodir, "%s", flag_val['d']);
654 mr_asprintf(tmp1, "ls -l %s", bkpinfo->isodir);
655 if (run_program_and_log_output(tmp1, 2)) {
656 mr_free(tmp1);
657 fatal_error("output folder does not exist - please create it");
658 }
659 mr_free(tmp1);
660 } else if (flag_set['n']) {
661 mr_free(bkpinfo->netfs_remote_dir);
662 // what is flag_val['d'] is NULL/undefined
663 mr_asprintf(bkpinfo->netfs_remote_dir, "%s", flag_val['d']);
664 } else { /* backup device (if tape/CD-R/CD-RW) */
665 /* bkpinfo-> media_device already setup upper */
666 }
667 }
668
669 if ((flag_set['n']) && (! bkpinfo->restore_data)) {
670 mr_asprintf(tmp1,"%s/%s/.dummy.txt", bkpinfo->isodir,bkpinfo->netfs_remote_dir);
671 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
672 mr_asprintf(tmp2, "su - %s -c \"echo hi > %s\"", bkpinfo->netfs_user, tmp1);
673 } else {
674 mr_asprintf(tmp2, "echo hi > %s", tmp1);
675 }
676 i = run_program_and_log_output(tmp2, 2);
677 mr_free(tmp2);
678
679 if (i) {
680 retval++;
681 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);
682 }
683 unlink(tmp1);
684 mr_free(tmp1);
685 }
686
687 if (!flag_set['d'] && flag_set['c']) {
688 tmp1 = mr_popup_and_get_string("Device", "Please specify the device", bkpinfo->media_device);
689 if (tmp1 == NULL) {
690 retval++;
691 log_to_screen("User opted to cancel.");
692 } else {
693 mr_free(bkpinfo->media_device);
694 bkpinfo->media_device = tmp1;
695 }
696 }
697
698 if ((!flag_set['d'] && !flag_set['n']) && (! bkpinfo->restore_data)) {
699 retval++;
700 log_to_screen("Please specify the backup device/directory.\n");
701 fatal_error("You didn't use -d to specify the backup device/directory.");
702 }
703
704 for (i = '0'; i <= '9'; i++) {
705 if (flag_set[i]) {
706 bkpinfo->compression_level = i - '0';
707 } /* not '\0' but '0' */
708 }
709
710 if (flag_set['S']) {
711 setup_scratchdir(flag_val['S']);
712 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->scratchdir);
713 if (run_program_and_log_output(tmp1, 1)) {
714 retval++;
715 mr_free(tmp1);
716 log_to_screen("Please specify a scratchdir which I can write to. :)");
717 fatal_error("I cannot write to the scratchdir you specified.");
718 }
719 mr_free(tmp1);
720
721 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->scratchdir, bkpinfo->scratchdir);
722 if (run_program_and_log_output(tmp1, 1)) {
723 retval++;
724 mr_free(tmp1);
725 log_to_screen("Please don't specify a SAMBA or VFAT or NFS scratchdir.");
726 fatal_error("I cannot write to the scratchdir you specified.");
727 }
728 mr_free(tmp1);
729 }
730
731 if (flag_set['T']) {
732 setup_tmpdir(flag_val['T']);
733 mr_asprintf(tmp1, "touch %s/.foo.dat", bkpinfo->tmpdir);
734 i = run_program_and_log_output(tmp1, 1);
735 mr_free(tmp1);
736
737 if (i) {
738 retval++;
739 log_to_screen("Please specify a tempdir which I can write to. :)");
740 fatal_error("I cannot write to the tempdir you specified.");
741 }
742 mr_asprintf(tmp1, "ln -sf %s/.foo.dat %s/.bar.dat", bkpinfo->tmpdir, bkpinfo->tmpdir);
743 i = run_program_and_log_output(tmp1, 1);
744 mr_free(tmp1);
745
746 if (i) {
747 retval++;
748 log_to_screen("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
749 fatal_error("I cannot write to the tempdir you specified.");
750 }
751 }
752
753 if ((flag_set['A']) && (! bkpinfo->restore_data)) {
754 mr_asprintf(bkpinfo->call_after_iso, "%s", flag_val['A']);
755 }
756
757 if ((flag_set['B']) && (! bkpinfo->restore_data)) {
758 mr_asprintf(bkpinfo->call_before_iso, "%s", flag_val['B']);
759 }
760
761 if ((flag_set['H']) && (! bkpinfo->restore_data)) {
762 g_cd_recovery = TRUE;
763 }
764
765 if ((flag_set['l']) && (! bkpinfo->restore_data)) {
766#ifdef __FreeBSD__
767# define BOOT_LOADER_CHARS "GLBMR"
768#else
769# ifdef __IA64__
770# define BOOT_LOADER_CHARS "GER"
771# else
772# define BOOT_LOADER_CHARS "GLR"
773# endif
774#endif
775 if (!strchr(BOOT_LOADER_CHARS, (bkpinfo->boot_loader = flag_val['l'][0]))) {
776 log_msg(1, "%c? What is %c? I need G, L, E or R.", bkpinfo->boot_loader, bkpinfo->boot_loader);
777 fatal_error("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
778 }
779#undef BOOT_LOADER_CHARS
780 }
781
782 if (flag_set['f']) {
783 mr_free(bkpinfo->boot_device);
784 mr_asprintf(bkpinfo->boot_device, "%s", resolve_softlinks_to_get_to_actual_device_file(flag_val['f']));
785 }
786
787 if ((flag_set['P']) && (! bkpinfo->restore_data)) {
788 mr_asprintf(bkpinfo->postnuke_tarball, "%s", flag_val['P']);
789 }
790
791 if (flag_set['Q']) {
792 i = which_boot_loader(tmp);
793 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
794 printf("boot loader is %c, residing at %s\n", i, tmp);
795 finish(0);
796 }
797
798 if ((flag_set['L']) && (! bkpinfo->restore_data)) {
799 bkpinfo->use_lzo = TRUE;
800 if (run_program_and_log_output("which lzop", 2)) {
801 retval++;
802 log_to_screen("Please install LZOP. You can't use '-L' until you do.\n");
803 }
804 }
805
806 if (flag_set['F']) {
807 log_msg(3, "-F means we will fail immediately at the first interaction request");
808 g_fail_immediately = TRUE;
809 }
810
811 if ((flag_set['G']) && (! bkpinfo->restore_data)) {
812 bkpinfo->use_gzip = TRUE;
813 if (run_program_and_log_output("which gzip", 2)) {
814 retval++;
815 log_to_screen("Please install gzip. You can't use '-G' until you do.\n");
816 }
817 }
818
819 if ((flag_set['Y']) && (! bkpinfo->restore_data)) {
820 bkpinfo->use_lzma = TRUE;
821 if (run_program_and_log_output("which lzma", 2)) {
822 retval++;
823 log_to_screen("Please install lzma. You can't use '-Y' until you do.\n");
824 }
825 }
826
827 bkpinfo->use_obdr = FALSE;
828 if (flag_set['o']) {
829 if ((!flag_set['t']) && (! bkpinfo->restore_data)) {
830 log_to_screen("OBDR support is only available for tapes. Use the -t option");
831 fatal_error("Aborting");
832 }
833 bkpinfo->use_obdr = TRUE;
834 }
835
836#ifndef __FreeBSD__
837 if ((!is_this_a_valid_disk_format("vfat")) && (! bkpinfo->restore_data)) {
838 bkpinfo->make_cd_use_lilo = TRUE;
839 log_to_screen("Your kernel appears not to support vfat filesystems. I am therefore");
840 log_to_screen("using LILO instead of SYSLINUX as the media boot loader.");
841 }
842 if ((run_program_and_log_output("which mkfs.vfat", 2)) && (! bkpinfo->restore_data)) {
843 bkpinfo->make_cd_use_lilo = TRUE;
844#ifdef __IA32__
845 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
846 log_to_screen("your boot loader. I shall therefore use LILO instead.");
847#endif
848#ifdef __IA64__
849 log_to_screen("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
850 log_to_screen("environment correctly. Please install it.");
851 fatal_error("Aborting");
852#endif
853 }
854#ifdef __IA64__
855 /* We force ELILO usage on IA64 */
856 bkpinfo->make_cd_use_lilo = TRUE;
857#endif
858#endif
859
860 if (! bkpinfo->restore_data) {
861 i = flag_set['O'] + flag_set['V'];
862 if (i == 0) {
863 retval++;
864 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
865 }
866 }
867
868 if ((! bkpinfo->restore_data) && (flag_set['Z'])) {
869 fatal_error("The -Z switch is only valid in restore mode");
870 }
871
872 if (flag_set['Z']) {
873 if (! strcmp(flag_val['Z'], "nuke")) {
874 bkpinfo->restore_mode = nuke;
875 } else if (! strcmp(flag_val['Z'], "interactive")) {
876 bkpinfo->restore_mode = interactive;
877 } else if (! strcmp(flag_val['Z'], "compare")) {
878 bkpinfo->restore_mode = compare;
879 } else if (! strcmp(flag_val['Z'], "mbr")) {
880 bkpinfo->restore_mode = mbr;
881 } else if (! strcmp(flag_val['Z'], "iso")) {
882 bkpinfo->restore_mode = isoonly;
883 } else if (! strcmp(flag_val['Z'], "isonuke")) {
884 bkpinfo->restore_mode = isonuke;
885 } else {
886 bkpinfo->restore_mode = interactive;
887 }
888 }
889
890/* and finally... */
891
892 paranoid_free(tmp);
893 return (retval);
894}
895
896
897
898/**
899 * @addtogroup cliGroup
900 * @{
901 */
902/**
903 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
904 * @param argc The argument count, including the program name; @p argc passed to main().
905 * @param argv The argument vector; @p argv passed to main().
906 * @param bkpinfo The backup information structure to populate.
907 * @return The number of problems with the command line (0 for success).
908 */
909int
910handle_incoming_parameters(int argc, char *argv[])
911{
912 /*@ int *** */
913 int res = 0;
914 int retval = 0;
915 int i = 0;
916
917 /*@ buffers *************** */
918 char flag_val[128][MAX_STR_LEN];
919 bool flag_set[128];
920
921 for (i = 0; i < 128; i++) {
922 flag_val[i][0] = '\0';
923 flag_set[i] = FALSE;
924 }
925 bkpinfo->media_size = 650; /* default */
926 res = retrieve_switches_from_command_line(argc, argv, flag_val, flag_set);
927 retval += res;
928 if (!retval) {
929 res = process_switches(flag_val, flag_set);
930 retval += res;
931 }
932
933 log_msg(3, "Switches:-");
934 for (i = 0; i < 128; i++) {
935 if (flag_set[i]) {
936 log_msg(3, "-%c %s", i, flag_val[i]);
937 }
938 }
939 bkpinfo->boot_type = mr_boot_type();
940
941 return (retval);
942}
943
944
945/**
946 * Terminate Mondo in response to a signal.
947 * @param sig The signal number received.
948 */
949void terminate_daemon(int sig)
950{
951 char *tmp = NULL;
952 char *tmp2 = NULL;
953
954 switch (sig) {
955 case SIGINT:
956 mr_asprintf(tmp, "SIGINT");
957 mr_asprintf(tmp2, "You interrupted me :-)");
958 break;
959 case SIGKILL:
960 mr_asprintf(tmp, "SIGKILL");
961 mr_asprintf(tmp2, "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
962 break;
963 case SIGTERM:
964 mr_asprintf(tmp, "SIGTERM");
965 mr_asprintf(tmp2, "Got terminate signal");
966 break;
967 case SIGHUP:
968 mr_asprintf(tmp, "SIGHUP");
969 mr_asprintf(tmp2, "Hangup on line");
970 break;
971 case SIGSEGV:
972 mr_asprintf(tmp, "SIGSEGV");
973 mr_asprintf(tmp2, "Internal programming error. Please send a backtrace as well as your log.");
974 break;
975 case SIGPIPE:
976 mr_asprintf(tmp, "SIGPIPE");
977 mr_asprintf(tmp2, "Pipe was broken");
978 break;
979 case SIGABRT:
980 mr_asprintf(tmp, "SIGABRT");
981 mr_asprintf(tmp2, "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
982 break;
983 default:
984 mr_asprintf(tmp, "(Unknown)");
985 mr_asprintf(tmp2, "(Unknown)");
986 }
987
988 mr_strcat(tmp, " signal received from OS");
989 log_to_screen(tmp);
990 mr_free(tmp);
991
992 log_to_screen(tmp2);
993 mr_free(tmp2);
994 if (sig == SIGABRT) {
995 sleep(10);
996 }
997 kill_buffer();
998
999 free_MR_global_filenames();
1000
1001 fatal_error("MondoRescue is terminating in response to a signal from the OS");
1002 finish(254); // just in case
1003}
1004
1005
1006
1007
1008
1009/**
1010 * Exit immediately without cleaning up.
1011 * @param sig The signal we are exiting due to.
1012 */
1013void termination_in_progress(int sig)
1014{
1015 log_msg(1, "Termination in progress");
1016 usleep(1000);
1017 pthread_exit(0);
1018}
1019
1020
1021
1022/**
1023 * Turn signal-trapping on or off.
1024 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1025 */
1026void set_signals(int on)
1027{
1028 int signals[] = { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1029 int i;
1030
1031 signal(SIGPIPE, sigpipe_occurred);
1032 for (i = 0; signals[i]; i++) {
1033 if (on) {
1034 signal(signals[i], terminate_daemon);
1035 } else {
1036 signal(signals[i], termination_in_progress);
1037 }
1038 }
1039}
1040
1041/* @} - end of cliGroup */
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