source: MondoRescue/branches/stable/mondo/src/mondoarchive/mondo-cli.c@ 1080

Last change on this file since 1080 was 1080, checked in by Bruno Cornec, 17 years ago
  • Fix mindi install messages (reported by Andree Leidenfrost)
  • remove paranoid_free/free for mr_free
  • mr_asprintf used everywhere
  • mr_malloc used everywhere
  • Property svn:keywords set to Id
File size: 28.3 KB
Line 
1/***************************************************************************
2$Id: mondo-cli.c 1080 2007-01-28 18:04:41Z 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 "../common/mondostructures.h"
15#include "mondo-cli-EXT.h"
16#include "../common/libmondo.h"
17#include "mr_mem.h"
18
19//static char cvsid[] = "$Id: mondo-cli.c 1080 2007-01-28 18:04:41Z bruno $";
20
21extern int g_loglevel;
22extern bool g_text_mode;
23extern bool g_skip_floppies; ///< Whether to skip the creation of boot disks
24extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
25extern char g_erase_tmpdir_and_scratchdir[MAX_STR_LEN];
26extern char g_tmpfs_mountpt[MAX_STR_LEN];
27extern bool g_sigpipe;
28
29/*@ file pointer **************************************************/
30extern FILE *g_tape_stream;
31
32/*@ long long *****************************************************/
33extern long long g_tape_posK;
34
35/*@ long **********************************************************/
36extern long g_noof_sets;
37
38/*@ bool******** **************************************************/
39bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup
40bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup
41extern bool g_cd_recovery;
42
43/**
44 * Whether we're restoring from ISOs. Obviously not, since this is the
45 * backup program.
46 * @note You @b MUST declare this variable somewhere in your program if
47 * you use libmondo. Otherwise the link will fail.
48 * @ingroup globalGroup
49 */
50bool g_ISO_restore_mode = FALSE;
51
52
53extern double g_kernel_version;
54extern int g_current_media_number;
55extern pid_t g_main_pid;
56extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
57
58/* Do we use extended attributes and acl ?
59 * By default no, use --acl & --attr options to force their usage */
60char *g_getfacl = NULL;
61char *g_getfattr = NULL;
62
63/**
64 * @addtogroup cliGroup
65 * @{
66 */
67/**
68 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
69 * @param argc The argument count, including the program name; @p argc passed to main().
70 * @param argv The argument vector; @p argv passed to main().
71 * @param bkpinfo The backup information structure to populate.
72 * @return The number of problems with the command line (0 for success).
73 */
74int
75handle_incoming_parameters(int argc, char *argv[],
76 struct s_bkpinfo *bkpinfo)
77{
78 /*@ int *** */
79 int res = 0;
80 int retval = 0;
81 int i = 0, j;
82
83 /*@ buffers *************** */
84 char *tmp;
85 char flag_val[128][MAX_STR_LEN];
86 bool flag_set[128];
87
88 malloc_string(tmp);
89 sensibly_set_tmpdir_and_scratchdir(bkpinfo);
90 for (i = 0; i < 128; i++) {
91 flag_val[i][0] = '\0';
92 flag_set[i] = FALSE;
93 }
94 // strcpy (bkpinfo->tmpdir, "/root/images/mondo");
95 // strcpy (bkpinfo->scratchdir, "/home");
96 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
97 bkpinfo->media_size[j] = 650;
98 } /* default */
99 res =
100 retrieve_switches_from_command_line(argc, argv, flag_val,
101 flag_set);
102 retval += res;
103 if (!retval) {
104 res = process_switches(bkpinfo, flag_val, flag_set);
105 retval += res;
106 }
107/*
108 if (!retval)
109 {
110*/
111 log_msg(3, "Switches:-");
112 for (i = 0; i < 128; i++) {
113 if (flag_set[i]) {
114 sprintf(tmp, "-%c %s", i, flag_val[i]);
115 log_msg(3, tmp);
116 }
117 }
118// }
119 sprintf(tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
120 paranoid_system(tmp);
121 sprintf(tmp, "rm -Rf %s/mondo.scratch.*", bkpinfo->scratchdir);
122 paranoid_system(tmp);
123 sprintf(bkpinfo->tmpdir + strlen(bkpinfo->tmpdir), "/tmp.mondo.%ld",
124 random() % 32767);
125 sprintf(bkpinfo->scratchdir + strlen(bkpinfo->scratchdir),
126 "/mondo.scratch.%ld", random() % 32767);
127 sprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
128 paranoid_system(tmp);
129 sprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
130 paranoid_system(tmp);
131 if (bkpinfo->nfs_mount[0] != '\0') {
132 store_nfs_config(bkpinfo);
133 }
134 mr_free(tmp);
135 return (retval);
136}
137
138
139
140
141/**
142 * Store the sizespec(s) stored in @p value into @p bkpinfo.
143 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
144 * @param value The sizespec (e.g. "2g", "40m").
145 * @return 0, always.
146 * @bug Return code not needed.
147 */
148int process_the_s_switch(struct s_bkpinfo *bkpinfo, char *value)
149{
150 int j;
151 char tmp[MAX_STR_LEN], *p, comment[MAX_STR_LEN];
152
153 assert(bkpinfo != NULL);
154 assert(value != NULL);
155
156 bkpinfo->media_size[0] = -1; /* dummy value */
157 for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ',');
158 j++, p = strchr(p, ',') + 1) {
159 strncpy(tmp, p, MAX_STR_LEN);
160 *(strchr(tmp, ',')) = '\0';
161 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp);
162 sprintf(comment, "media_size[%d] = %ld", j,
163 bkpinfo->media_size[j]);
164 log_msg(3, comment);
165 }
166 for (; j <= MAX_NOOF_MEDIA; j++) {
167 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p);
168 }
169// bkpinfo->media_size[0] = bkpinfo->media_size[MAX_NOOF_MEDIA];
170 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
171 if (bkpinfo->media_size[j] <= 0) {
172 log_msg(1, "You gave media #%d an invalid size\n", j);
173 return (-1);
174 }
175 }
176 return (0);
177}
178
179
180
181/**
182 * Process mondoarchive's command-line switches.
183 * @param bkpinfo The backup information structure to populate.
184 * @param flag_val An array of the argument passed to each switch (the letter is the index).
185 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
186 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
187 * FALSE if it's not.
188 * @return The number of problems with the switches, or 0 for success.
189 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
190 */
191int
192process_switches(struct s_bkpinfo *bkpinfo,
193 char flag_val[128][MAX_STR_LEN], bool flag_set[128])
194{
195
196 /*@ ints *** */
197 int i = 0;
198 int retval = 0;
199 int percent = 0;
200
201 /*@ buffers ** */
202 char *tmp;
203 char *tmp1;
204 char *psz;
205 char *p;
206 char *q;
207
208 long itbs = 0L;
209
210 struct stat buf;
211
212 malloc_string(tmp);
213 malloc_string(psz);
214
215 assert(bkpinfo != NULL);
216 assert(flag_val != NULL);
217 assert(flag_set != NULL);
218
219 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
220
221/* compulsory */
222 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
223 flag_set['t'] + flag_set['u'] + flag_set['r'] +
224 flag_set['w'] + flag_set['C'] + flag_set['U'];
225 if (i == 0) {
226 retval++;
227 log_to_screen("You must specify the media type\n");
228 }
229 if (i > 1) {
230 retval++;
231 log_to_screen("Please specify only one media type\n");
232 }
233 if (flag_set['K']) {
234 g_loglevel = atoi(flag_val['K']);
235 if (g_loglevel < 3) {
236 g_loglevel = 3;
237 }
238 }
239 if (flag_set['L'] && flag_set['0']) {
240 retval++;
241 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
242 }
243 bkpinfo->backup_data = flag_set['O'];
244 bkpinfo->verify_data = flag_set['V'];
245 if (flag_set['I'] && !bkpinfo->backup_data) {
246 log_to_screen("-I switch is ignored if just verifying");
247 }
248 if (flag_set['E'] && !bkpinfo->backup_data) {
249 log_to_screen("-E switch is ignored if just verifying");
250 }
251
252 if (!find_home_of_exe("afio")) {
253 if (find_home_of_exe("star")) {
254 flag_set['R'] = TRUE;
255 log_msg(1, "Using star instead of afio");
256 } else {
257 fatal_error
258 ("Neither afio nor star is installed. Please install at least one.");
259 }
260 }
261
262 if (flag_set['R']) {
263 bkpinfo->use_star = TRUE;
264 if (flag_set['L']) {
265 fatal_error("You may not use star and lzop at the same time.");
266 }
267 if (!find_home_of_exe("star")) {
268 fatal_error
269 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
270 }
271 }
272 if (flag_set['W']) {
273 bkpinfo->nonbootable_backup = TRUE;
274 log_to_screen("Warning - you have opted for non-bootable backup");
275 if (flag_set['f'] || flag_set['l']) {
276 log_to_screen
277 ("You don't need to specify bootloader or bootdevice");
278 }
279 }
280 if (flag_set['t'] && flag_set['H']) {
281 fatal_error
282 ("Sorry, you may not nuke w/o warning from tape. Drop -H, please.");
283 }
284 if (flag_set['I']) {
285 if (!strcmp(bkpinfo->include_paths, "/")) {
286 log_msg(2, "'/' is pleonastic.");
287 bkpinfo->include_paths[0] = '\0';
288 }
289 if (bkpinfo->include_paths[0]) {
290 strcat(bkpinfo->include_paths, " ");
291 }
292 mr_asprintf(&tmp1, flag_val['I']);
293 p = tmp1;
294 q = tmp1;
295
296 /* Cut the flag_val['I'] in parts containing all paths to test them */
297 while (p != NULL) {
298 q = strchr(p, ' ');
299 if (q != NULL) {
300 *q = '\0';
301 if (stat(p, &buf) != 0) {
302 log_msg(1, "ERROR ! %s doesn't exist", p);
303 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
304 }
305 p = q+1 ;
306 } else {
307 if (stat(p, &buf) != 0) {
308 log_msg(1, "ERROR ! %s doesn't exist", p);
309 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
310 }
311 p = NULL;
312 }
313 }
314 mr_free(tmp1);
315
316 strncpy(bkpinfo->include_paths + strlen(bkpinfo->include_paths),
317 flag_val['I'],
318 4*MAX_STR_LEN - strlen(bkpinfo->include_paths));
319 log_msg(1, "include_paths is now '%s'", bkpinfo->include_paths);
320 if (bkpinfo->include_paths[0] == '-') {
321 retval++;
322 log_to_screen("Please supply a sensible value with '-I'\n");
323 }
324 }
325
326 if (g_kernel_version >= 2.6 && !flag_set['d']
327 && (flag_set['c'] || flag_set['w'])) {
328 fatal_error
329 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
330 }
331
332
333 if (flag_set['J']) {
334 if (flag_set['I']) {
335 retval++;
336 log_to_screen
337 ("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. :-)");
338 }
339 bkpinfo->make_filelist = FALSE;
340 strcpy(bkpinfo->include_paths, flag_val['J']);
341 }
342 if (flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) {
343 if (!flag_set['r'] && g_kernel_version <= 2.5
344 && strstr(flag_val['d'], "/dev/")) {
345 fatal_error
346 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
347 }
348 if (flag_set['r'] && g_kernel_version <= 2.5
349 && !strstr(flag_val['d'], "/dev/")) {
350 fatal_error
351 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
352 }
353 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
354 log_to_screen
355 ("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
356 }
357
358 if (system("which cdrecord > /dev/null 2> /dev/null")
359 && system("which dvdrecord > /dev/null 2> /dev/null")) {
360 fatal_error
361 ("Please install dvdrecord/cdrecord and try again.");
362 }
363 if (flag_set['C']) {
364 bkpinfo->cdrw_speed = atoi(flag_val['C']);
365 if (bkpinfo->cdrw_speed < 1) {
366 fatal_error
367 ("You specified a silly speed for a CD-R[W] drive");
368 }
369 if (!flag_set['L']) {
370 log_to_screen
371 ("You must use -L with -C. Therefore I am setting it for you.");
372 flag_set['L'] = 1;
373 flag_val['L'][0] = '\0';
374 }
375 } else {
376 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
377 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
378// log_msg(3, "flag_set['r'] = %i", flag_set['r'] );
379 if (flag_set['c']) {
380 bkpinfo->cdrw_speed = atoi(flag_val['c']);
381 } else if (flag_set['w']) {
382 bkpinfo->cdrw_speed = atoi(flag_val['w']);
383 } else if (flag_set['r']) {
384 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
385 }
386
387 if (bkpinfo->cdrw_speed < 1) {
388 fatal_error
389 ("You specified a silly speed for a CD-R[W] drive");
390 }
391 }
392 }
393 if (flag_set['t'] && !flag_set['d']) {
394 log_it("Hmm! No tape drive specified. Let's see what we can do.");
395 if (find_tape_device_and_size(flag_val['d'], tmp)) {
396 fatal_error
397 ("Tape device not specified. I couldn't find it either.");
398 }
399 flag_set['d'] = TRUE;
400 sprintf(tmp,
401 "You didn't specify a tape streamer device. I'm assuming %s",
402 flag_val['d']);
403 log_to_screen(tmp);
404 percent = 0;
405 }
406
407 if (flag_set['U']) // USB
408 {
409 if (! flag_set['d']) {
410 fatal_error
411 ("You need to specify a device file with -d for bootable USB device creation");
412 }
413 if (!flag_set['s']) {
414 fatal_error("You did not specify a size (-s) for your USB device. Aborting");
415 }
416 }
417
418 if (flag_set['r']) // DVD
419 {
420 if (flag_set['m']) {
421 fatal_error
422 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
423 }
424 if (!flag_set['d']) {
425 if (!find_dvd_device(flag_val['d'], FALSE)) {
426 flag_set['d'] = TRUE;
427 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
428 }
429 }
430 if (!find_home_of_exe("growisofs")) {
431 fatal_error
432 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
433 }
434 if (!find_home_of_exe("dvd+rw-format")) {
435 fatal_error
436 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
437 }
438 if (strchr(flag_val['d'], ',')) {
439 fatal_error
440 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
441 }
442 if (!flag_set['s']) {
443 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
444 strcat(flag_val['s'], "m");
445 log_to_screen
446 ("You did not specify a size (-s) for DVD. I'm guessing %s.",
447 flag_val['s']);
448 flag_set['s'] = 1;
449 }
450/*
451 if (flag_set['Z']) {
452 bkpinfo->blank_dvd_first = TRUE;
453 }
454*/
455 }
456
457 if (flag_set['t'] || flag_set['u']) { /* tape size */
458 if (strchr(flag_val['d'], ',')) {
459 fatal_error
460 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
461 }
462 if (flag_set['O']) {
463 if (flag_set['s']) {
464 if (flag_set['t']) {
465 fatal_error
466 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
467 }
468 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
469 fatal_error("Bad -s switch");
470 }
471 } else if (flag_set['u'] || flag_set['t']) {
472 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
473 bkpinfo->media_size[i] = 0;
474 }
475 } else {
476 retval++;
477 log_to_screen("Tape size not specified.\n");
478 }
479 }
480 } else { /* CD|USB size */
481 if (flag_set['s']) {
482 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
483 fatal_error("Bad -s switch");
484 }
485 }
486 if (flag_set['w']) {
487 bkpinfo->wipe_media_first = TRUE;
488 } /* CD-RW */
489 }
490 if (flag_set['n']) {
491 strncpy(bkpinfo->nfs_mount, flag_val['n'], MAX_STR_LEN);
492 if (!flag_set['d']) {
493 strncpy(bkpinfo->nfs_remote_dir, "/", MAX_STR_LEN);
494 }
495 sprintf(tmp, "mount | grep -E \"^%s .*\" | cut -d' ' -f3",
496 bkpinfo->nfs_mount);
497 strncpy(bkpinfo->isodir,
498 call_program_and_get_last_line_of_output(tmp),
499 MAX_STR_LEN / 4);
500 if (strlen(bkpinfo->isodir) < 3) {
501 retval++;
502 log_to_screen("NFS share is not mounted. Please mount it.\n");
503 }
504 log_msg(3, "mount = %s", bkpinfo->nfs_mount);
505 log_msg(3, "isodir= %s", bkpinfo->isodir);
506 }
507 if (flag_set['c']) {
508 bkpinfo->backup_media_type = cdr;
509 }
510 if (flag_set['C']) {
511 bkpinfo->backup_media_type = cdstream;
512 }
513 if (flag_set['i']) {
514 bkpinfo->backup_media_type = iso;
515 }
516 if (flag_set['n']) {
517 bkpinfo->backup_media_type = nfs;
518 }
519 if (flag_set['r']) {
520 bkpinfo->backup_media_type = dvd;
521 }
522 if (flag_set['t']) {
523 bkpinfo->backup_media_type = tape;
524 }
525 if (flag_set['u']) {
526 bkpinfo->backup_media_type = udev;
527 }
528 if (flag_set['w']) {
529 bkpinfo->backup_media_type = cdrw;
530 }
531 if (flag_set['U']) {
532 bkpinfo->backup_media_type = usb;
533 }
534 if (flag_set['z']) {
535 if (find_home_of_exe("getfattr")) {
536 mr_asprintf(&g_getfattr,"getfattr");
537 }
538 if (find_home_of_exe("getfacl")) {
539 mr_asprintf(&g_getfacl,"getfacl");
540 }
541 }
542
543 /* optional, popular */
544 if (flag_set['g']) {
545 g_text_mode = FALSE;
546 }
547
548 if (flag_set['E']) {
549 if (bkpinfo->exclude_paths[0]) {
550 strcat(bkpinfo->exclude_paths, " ");
551 }
552 mr_asprintf(&tmp1, flag_val['E']);
553 p = tmp1;
554 q = tmp1;
555
556 /* Cut the flag_val['E'] in parts containing all paths to test them */
557 while (p != NULL) {
558 q = strchr(p, ' ');
559 if (q != NULL) {
560 *q = '\0';
561 /* Fix bug 14 where ending / cause a problem later
562 * so handled here for the moment */
563 q--;
564 if (*q == '/') {
565 *q = '\0';
566 }
567 q++;
568 /* End of bug fix */
569 if (stat(p, &buf) != 0) {
570 log_msg(1, "WARNING ! %s doesn't exist", p);
571 }
572 p = q+1 ;
573 } else {
574 if (stat(p, &buf) != 0) {
575 log_msg(1, "WARNING ! %s doesn't exist", p);
576 }
577 p = NULL;
578 }
579 }
580 mr_free(tmp1);
581
582 strncpy(bkpinfo->exclude_paths + strlen(bkpinfo->exclude_paths),
583 flag_val['E'],
584 4*MAX_STR_LEN - strlen(bkpinfo->exclude_paths));
585 }
586 if (flag_set['e']) {
587 bkpinfo->please_dont_eject = TRUE;
588 }
589 if (flag_set['N']) // exclude NFS mounts & devices
590 {
591// strncpy(psz, list_of_NFS_devices_and_mounts(), MAX_STR_LEN);
592 strncpy(psz, list_of_NFS_mounts_only(), MAX_STR_LEN);
593 if (bkpinfo->exclude_paths[0]) {
594 strncat(bkpinfo->exclude_paths, " ", MAX_STR_LEN);
595 }
596 strncat(bkpinfo->exclude_paths, psz, MAX_STR_LEN);
597 log_msg(3, "-N means we're now excluding %s",
598 bkpinfo->exclude_paths);
599 }
600 if (strlen(bkpinfo->exclude_paths) >= MAX_STR_LEN) {
601 fatal_error
602 ("Your '-E' parameter is too long. Please use '-J'. (See manual.)");
603 }
604 if (flag_set['b']) {
605 strcpy(psz, flag_val['b']);
606 log_msg(1, "psz = '%s'", psz);
607 if (psz[strlen(psz) - 1] == 'k') {
608 psz[strlen(psz) - 1] = '\0';
609 itbs = atol(psz) * 1024L;
610 } else {
611 itbs = atol(psz);
612 }
613 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
614 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
615 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
616 fatal_error
617 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
618 }
619 bkpinfo->internal_tape_block_size = itbs;
620 }
621 if (flag_set['D']) {
622 bkpinfo->differential = 1;
623// bkpinfo->differential = atoi (flag_val['D']);
624 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
625 fatal_error
626 ("The D option should be between 1 and 9 inclusive");
627 }
628 }
629 if (flag_set['x']) {
630 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
631 if (run_program_and_log_output("which ntfsclone", 2)) {
632 fatal_error("Please install ntfsprogs package/tarball.");
633 }
634 }
635 if (flag_set['m']) {
636 bkpinfo->manual_cd_tray = TRUE;
637 }
638 if (flag_set['k']) {
639 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
640 if (!strcmp(bkpinfo->kernel_path, "failsafe")) {
641 strcpy(bkpinfo->kernel_path, "FAILSAFE");
642 }
643 if (strcmp(bkpinfo->kernel_path, "FAILSAFE")
644 && !does_file_exist(bkpinfo->kernel_path)) {
645 retval++;
646 sprintf(tmp,
647 "You specified kernel '%s', which does not exist\n",
648 bkpinfo->kernel_path);
649 log_to_screen(tmp);
650 }
651 }
652 if (flag_set['p']) {
653 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
654 }
655
656
657 if (flag_set['d']) { /* backup directory (if ISO/NFS/USB) */
658 if (flag_set['i']) {
659 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
660 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
661 if (run_program_and_log_output(tmp, FALSE)) {
662 fatal_error
663 ("output folder does not exist - please create it");
664 }
665 } else if (flag_set['n']) {
666 strncpy(bkpinfo->nfs_remote_dir, flag_val['d'], MAX_STR_LEN);
667 } else { /* backup device (if tape/CD-R/CD-RW) */
668 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
669 }
670 }
671
672 if (flag_set['n']) {
673 sprintf(tmp, "echo hi > %s/%s/.dummy.txt", bkpinfo->isodir,
674 bkpinfo->nfs_remote_dir);
675 if (run_program_and_log_output(tmp, FALSE)) {
676 retval++;
677 sprintf(tmp,
678 "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n",
679 bkpinfo->nfs_remote_dir, bkpinfo->nfs_mount);
680 log_to_screen(tmp);
681 }
682 }
683
684 if (!flag_set['d']
685 && (flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['U'])) {
686 if (g_kernel_version >= 2.6) {
687 if (popup_and_get_string
688 ("Device", "Please specify the device",
689 bkpinfo->media_device, MAX_STR_LEN / 4)) {
690 retval++;
691 log_to_screen("User opted to cancel.");
692 }
693 } else if (find_cdrw_device(bkpinfo->media_device)) {
694 retval++;
695 log_to_screen
696 ("Tried and failed to find CD-R[W] drive automatically.\n");
697 } else {
698 flag_set['d'] = TRUE;
699 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
700 }
701 }
702
703 if (!flag_set['d'] && !flag_set['n'] && !flag_set['C']) {
704 retval++;
705 log_to_screen("Please specify the backup device/directory.\n");
706 fatal_error
707 ("You didn't use -d to specify the backup device/directory.");
708 }
709/* optional, obscure */
710 for (i = '0'; i <= '9'; i++) {
711 if (flag_set[i]) {
712 bkpinfo->compression_level = i - '0';
713 } /* not '\0' but '0' */
714 }
715 if (flag_set['S']) {
716 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'],
717 random() % 32768);
718 }
719 if (flag_set['T']) {
720 sprintf(bkpinfo->tmpdir, "%s/tmp.mondo.%ld", flag_val['T'],
721 random() % 32768);
722 sprintf(tmp, "touch %s/.foo.dat", flag_val['T']);
723 if (run_program_and_log_output(tmp, 1)) {
724 retval++;
725 log_to_screen
726 ("Please specify a tempdir which I can write to. :)");
727 fatal_error("I cannot write to the tempdir you specified.");
728 }
729 sprintf(tmp, "ln -sf %s/.foo.dat %s/.bar.dat", flag_val['T'],
730 flag_val['T']);
731 if (run_program_and_log_output(tmp, 1)) {
732 retval++;
733 log_to_screen
734 ("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
735 fatal_error("I cannot write to the tempdir you specified.");
736 }
737 }
738 if (flag_set['A']) {
739 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
740 }
741 if (flag_set['B']) {
742 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
743 }
744 if (flag_set['F']) {
745 g_skip_floppies = TRUE;
746 }
747 if (flag_set['H']) {
748 g_cd_recovery = TRUE;
749 }
750 if (flag_set['l']) {
751#ifdef __FreeBSD__
752# define BOOT_LOADER_CHARS "GLBMR"
753#else
754# ifdef __IA64__
755# define BOOT_LOADER_CHARS "GER"
756# else
757# define BOOT_LOADER_CHARS "GLR"
758# endif
759#endif
760 if (!strchr
761 (BOOT_LOADER_CHARS,
762 (bkpinfo->boot_loader = flag_val['l'][0]))) {
763 log_msg(1, "%c? WTF is %c? I need G, L, E or R.",
764 bkpinfo->boot_loader, bkpinfo->boot_loader);
765 fatal_error
766 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
767 }
768#undef BOOT_LOADER_CHARS
769 }
770 if (flag_set['f']) {
771 strncpy(bkpinfo->boot_device,
772 resolve_softlinks_to_get_to_actual_device_file(flag_val
773 ['f']),
774 MAX_STR_LEN / 4);
775 }
776 if (flag_set['P']) {
777 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
778 }
779 if (flag_set['Q']) {
780 i = which_boot_loader(tmp);
781 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
782 printf("boot loader is %c, residing at %s\n", i, tmp);
783 finish(0);
784 }
785 if (flag_set['L']) {
786 bkpinfo->use_lzo = TRUE;
787 if (run_program_and_log_output("which lzop", FALSE)) {
788 retval++;
789 log_to_screen
790 ("Please install LZOP. You can't use '-L' until you do.\n");
791 }
792 }
793
794 if (flag_set['G']) {
795 bkpinfo->use_gzip = TRUE;
796 if (run_program_and_log_output("which gzip", FALSE)) {
797 retval++;
798 log_to_screen
799 ("Please install gzip. You can't use '-G' until you do.\n");
800 }
801 }
802
803 if (!flag_set['o']
804 &&
805 !run_program_and_log_output
806 ("grep -Ei suse /etc/issue.net | grep -E '9.0' | grep 64", TRUE)) {
807 bkpinfo->make_cd_use_lilo = TRUE;
808 log_to_screen
809 ("Forcing you to use LILO. SuSE 9.0 (64-bit) has a broken mkfs.vfat binary.");
810 }
811 if (flag_set['o']) {
812 bkpinfo->make_cd_use_lilo = TRUE;
813 }
814#ifndef __FreeBSD__
815 else {
816 if (!is_this_a_valid_disk_format("vfat")) {
817 bkpinfo->make_cd_use_lilo = TRUE;
818 log_to_screen
819 ("Your kernel appears not to support vfat filesystems. I am therefore");
820 log_to_screen
821 ("using LILO instead of SYSLINUX as the CD/floppy's boot loader.");
822 }
823 if (run_program_and_log_output("which mkfs.vfat", FALSE)) {
824 bkpinfo->make_cd_use_lilo = TRUE;
825#ifdef __IA32__
826 log_to_screen
827 ("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
828 log_to_screen
829 ("your boot loader. I shall therefore use LILO instead.");
830#endif
831#ifdef __IA64__
832 log_to_screen
833 ("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
834 log_to_screen("environment correctly. Please install it.");
835 fatal_error("Aborting");
836#endif
837 }
838#ifdef __IA64__
839 /* We force ELILO usage on IA64 */
840 bkpinfo->make_cd_use_lilo = TRUE;
841#endif
842 }
843#endif
844
845 if (bkpinfo->make_cd_use_lilo && !does_file_exist("/boot/boot.b")) {
846 paranoid_system("touch /boot/boot.b");
847 }
848
849 i = flag_set['O'] + flag_set['V'];
850 if (i == 0) {
851 retval++;
852 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
853 }
854
855/* and finally... */
856
857 mr_free(tmp);
858 mr_free(psz);
859 return (retval);
860}
861
862
863
864/**
865 * Get the switches from @p argc and @p argv using getopt() and place them in
866 * @p flag_set and @p flag_val.
867 * @param argc The argument count (@p argc passed to main()).
868 * @param argv The argument vector (@p argv passed to main()).
869 * @param flag_val An array indexed by switch letter - if a switch is set and
870 * has an argument then set flag_val[switch] to that argument.
871 * @param flag_set An array indexed by switch letter - if a switch is set then
872 * set flag_set[switch] to TRUE, else set it to FALSE.
873 * @return The number of problems with the command line (0 for success).
874 */
875int
876retrieve_switches_from_command_line(int argc, char *argv[],
877 char flag_val[128][MAX_STR_LEN],
878 bool flag_set[128])
879{
880 /*@ ints ** */
881 int opt = 0;
882 char tmp[MAX_STR_LEN];
883 int i = 0;
884 int len;
885
886 /*@ bools *** */
887 bool bad_switches = FALSE;
888
889 assert(flag_val != NULL);
890 assert(flag_set != NULL);
891
892 for (i = 0; i < 128; i++) {
893 flag_val[i][0] = '\0';
894 flag_set[i] = FALSE;
895 }
896 while ((opt =
897 getopt(argc, argv,
898 "0123456789A:B:C:DE:FGHI:J:K:LNOP:QRS:T:UVWb:c:d:ef:gik:l:mn:op:rs:tuw:x:z"))
899 != -1) {
900 if (opt == '?') {
901 bad_switches = TRUE;
902 /*log_it("Invalid option: %c\n",optopt); */
903 } else {
904 if (flag_set[optopt]) {
905 bad_switches = TRUE;
906 sprintf(tmp, "Switch -%c previously defined as %s\n", opt,
907 flag_val[i]);
908 log_to_screen(tmp);
909 } else {
910 flag_set[opt] = TRUE;
911 if (optarg) {
912 len = strlen(optarg);
913 if (optarg[0] != '/' && optarg[len - 1] == '/') {
914 optarg[--len] = '\0';
915 log_to_screen
916 ("Warning - param '%s' should not have trailing slash!",
917 optarg);
918 }
919 if (opt == 'd') {
920 if (strchr(flag_val[opt], '/')
921 && flag_val[opt][0] != '/') {
922 sprintf(tmp,
923 "-%c flag --- must be absolute path --- '%s' isn't absolute",
924 opt, flag_val[opt]);
925 log_to_screen(tmp);
926 bad_switches = TRUE;
927 }
928 }
929 strcpy(flag_val[opt], optarg);
930 }
931 }
932 }
933 }
934 for (i = optind; i < argc; i++) {
935 bad_switches = TRUE;
936 sprintf(tmp, "Invalid arg -- %s\n", argv[i]);
937 log_to_screen(tmp);
938 }
939 return (bad_switches);
940}
941
942
943
944
945/**
946 * Print a not-so-helpful help message and exit.
947 */
948void help_screen()
949{
950 log_msg(1, "Type 'man mondo-archive' for more information\n");
951 exit(1);
952}
953
954
955/**
956 * Terminate Mondo in response to a signal.
957 * @param sig The signal number received.
958 */
959void terminate_daemon(int sig)
960{
961 char tmp[64];
962 char tmp2[MAX_STR_LEN];
963 // char command[512];
964 // pid_t pid;
965
966 switch (sig) {
967 case SIGINT:
968 sprintf(tmp, "SIGINT");
969 strcpy(tmp2, "You interrupted me :-)");
970 break;
971 case SIGKILL:
972 sprintf(tmp, "SIGKILL");
973 strcpy(tmp2,
974 "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
975 break;
976 case SIGTERM:
977 sprintf(tmp, "SIGTERM");
978 strcpy(tmp2, "Got terminate signal");
979 break;
980 case SIGHUP:
981 sprintf(tmp, "SIGHUP");
982 strcpy(tmp2, "Hangup on line");
983 break;
984 case SIGSEGV:
985 sprintf(tmp, "SIGSEGV");
986 strcpy(tmp2,
987 "Internal programming error. Please send a backtrace as well as your log.");
988 break;
989 case SIGPIPE:
990 sprintf(tmp, "SIGPIPE");
991 strcpy(tmp2, "Pipe was broken");
992 break;
993 case SIGABRT:
994 sprintf(tmp, "SIGABRT");
995 sprintf(tmp2,
996 "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
997 break;
998 default:
999 sprintf(tmp, "(Unknown)");
1000 }
1001
1002 strcat(tmp, " signal received from OS");
1003 log_to_screen(tmp);
1004 log_to_screen(tmp2);
1005 if (sig == SIGABRT) {
1006 sleep(10);
1007 }
1008 kill_buffer();
1009 fatal_error
1010 ("Mondoarchive is terminating in response to a signal from the OS");
1011 finish(254); // just in case
1012}
1013
1014
1015
1016
1017/**
1018 * Turn signal-trapping on or off.
1019 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1020 */
1021void set_signals(int on)
1022{
1023 int signals[] =
1024 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1025 int i;
1026
1027 signal(SIGPIPE, sigpipe_occurred);
1028 for (i = 0; signals[i]; i++) {
1029 if (on) {
1030 signal(signals[i], terminate_daemon);
1031 } else {
1032 signal(signals[i], termination_in_progress);
1033 }
1034 }
1035}
1036
1037
1038
1039
1040/**
1041 * Exit immediately without cleaning up.
1042 * @param sig The signal we are exiting due to.
1043 */
1044void termination_in_progress(int sig)
1045{
1046 log_msg(1, "Termination in progress");
1047 usleep(1000);
1048 pthread_exit(0);
1049}
1050
1051/* @} - end of cliGroup */
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