source: MondoRescue/branches/3.1/mondo/src/common/libmondo-fork.c@ 3148

Last change on this file since 3148 was 3148, checked in by Bruno Cornec, 11 years ago

2nd phase for svn merge -r 2935:3146 ../3.0
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File size: 19.2 KB
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1/* libmondo-fork.c
2 $Id: libmondo-fork.c 3148 2013-06-19 06:50:28Z bruno $
3
4- subroutines for handling forking/pthreads/etc.
5*/
6
7
8#include "my-stuff.h"
9#include "mr_mem.h"
10#include "mr_str.h"
11#include "mondostructures.h"
12#include "libmondo-fork.h"
13#include "libmondo-string-EXT.h"
14#include "libmondo-gui-EXT.h"
15#include "libmondo-files-EXT.h"
16#include "libmondo-tools-EXT.h"
17#include "lib-common-externs.h"
18
19/*@unused@*/
20//static char cvsid[] = "$Id: libmondo-fork.c 3148 2013-06-19 06:50:28Z bruno $";
21
22extern t_bkptype g_backup_media_type;
23extern bool g_text_mode;
24extern char *MONDO_LOGFILE;
25
26/* Reference to global bkpinfo */
27extern struct s_bkpinfo *bkpinfo;
28pid_t g_buffer_pid = 0;
29
30
31/**
32 * Call a program and retrieve its last line of output.
33 * @param call The program to run.
34 * @return The last line of its output.
35 * @note The returned value points to an allocated string that the caller needs to free
36 */
37char *call_program_and_get_last_line_of_output(char *call, bool logit)
38{
39 /*@ buffers ***************************************************** */
40 char *result = NULL;
41 char *tmpf = NULL;
42 char *newcall = NULL;
43 char *tmp = NULL;
44 char *p;
45 char *p;
46
47 /*@ pointers **************************************************** */
48 FILE *fin = NULL;
49
50 /*@******************************************************************** */
51
52 assert_string_is_neither_NULL_nor_zerolength(call);
53
54 mr_asprintf(tmpf, "%s/cpgll.out", bkpinfo->tmpdir);
55 mr_asprintf(newcall, "%s > %s", call, tmpf);
56 if (logit) {
57 log_msg(4, "Calling command: %s", newcall);
58 }
59 /* By default return an empty string in any case */
60 mr_asprintf(result, "");
61
62 system(newcall);
63 mr_free(newcall);
64
65 if ((fin = fopen(tmpf, "r"))) {
66 while (!feof(fin)) {
67 mr_getline(tmp, fin);
68 mr_chomp(tmp);
69 /* In case of extreme debug ;-)
70 log_msg(9, "Loop result: ***%s***", tmp);
71 */
72 /* There is empty content at the end of the file that needs to be skiped */
73 if (strlen(tmp) > 0) {
74 mr_free(result);
75 mr_asprintf(result, "%s", tmp);
76 }
77 mr_free(tmp);
78 }
79 if (logit) {
80 log_msg(9, "Pre-Result: %s", result);
81 }
82 mr_strip_spaces(result);
83 paranoid_pclose(fin);
84 } else {
85 log_OS_error("Unable to open resulting file");
86 }
87 mr_free(tmpf);
88 if (logit) {
89 log_msg(4, "Result: %s", result);
90 }
91 return(result);
92}
93
94#define MONDO_POPMSG "Your PC will not retract the CD tray automatically. Please call mondoarchive with the -m (manual CD tray) flag."
95
96/**
97 * Call mkisofs to create an ISO image.
98 * @param bkpinfo The backup information structure. Fields used:
99 * - @c bkpinfo->manual_cd_tray
100 * - @c bkpinfo->backup_media_type
101 * @param basic_call The call to mkisofs. May contain tokens that will be resolved to actual data. The tokens are:
102 * - @c _ISO_ will become the ISO file (@p isofile)
103 * - @c _CD#_ becomes the CD number (@p cd_no)
104 * - @c _ERR_ becomes the logfile (@p g_logfile)
105 * @param isofile Replaces @c _ISO_ in @p basic_call. Should probably be the ISO image to create (-o parameter to mkisofs).
106 * @param cd_no Replaces @c _CD#_ in @p basic_call. Should probably be the CD number.
107 * @param what_i_am_doing The action taking place (e.g. "Making ISO #1"). Used as the title of the progress dialog.
108 * @return Exit code of @c mkisofs (0 is success, anything else indicates failure).
109 */
110int eval_call_to_make_ISO(char *basic_call, char *isofile, int cd_no, char *what_i_am_doing) {
111
112 /*@ int's *** */
113 int retval = 0;
114
115
116 /*@ buffers *** */
117 char *midway_call = NULL;
118 char *ultimate_call = NULL;
119 char *tmp = NULL;
120
121 char *cd_number_str = NULL;
122 char *command = NULL;
123 char *p;
124 char *tmp1 = NULL;
125 char *tmp2 = NULL;
126
127/*@*********** End Variables ***************************************/
128
129 log_msg(3, "Starting");
130 assert(bkpinfo != NULL);
131 assert_string_is_neither_NULL_nor_zerolength(isofile);
132
133 if ((bkpinfo->netfs_user) && (strstr(bkpinfo->netfs_proto,"nfs"))) {
134 mr_asprintf(tmp1, "su - %s -c \"%s\"", bkpinfo->netfs_user, basic_call);
135 } else {
136 mr_asprintf(tmp1, "%s", basic_call);
137 }
138
139 mr_asprintf(cd_number_str, "%d", cd_no);
140 log_msg(4, "basic call = '%s'", tmp1);
141 midway_call = resolve_naff_tokens(tmp1, isofile, "_ISO_");
142 mr_free(tmp1);
143
144 log_msg(4, "midway_call = '%s'", midway_call);
145 tmp = resolve_naff_tokens(midway_call, cd_number_str, "_CD#_");
146 mr_free(cd_number_str);
147 mr_free(midway_call);
148
149 log_msg(4, "tmp = '%s'", tmp);
150 ultimate_call = resolve_naff_tokens(tmp, MONDO_LOGFILE, "_ERR_");
151 mr_free(tmp);
152
153 log_msg(4, "ultimate call = '%s'", ultimate_call);
154 mr_asprintf(command, "%s >> %s", ultimate_call, MONDO_LOGFILE);
155 mr_free(ultimate_call);
156
157 log_to_screen
158 ("Please be patient. Do not be alarmed by on-screen inactivity.");
159 log_msg(4, "Calling open_evalcall_form() with what_i_am_doing='%s'",
160 what_i_am_doing);
161 if (bkpinfo->manual_cd_tray) {
162 mr_asprintf(tmp2, "%s", command);
163 p = strstr(tmp2, "2>>");
164 if (p) {
165 *p++ = ' ';
166 *p++ = ' ';
167 *p++ = ' ';
168 while (*p == ' ') {
169 p++;
170 }
171 for (; (*p != ' ') && (*p != '\0'); p++) {
172 *p = ' ';
173 }
174 }
175 mr_free(command);
176 command = tmp2;
177 if (!g_text_mode) {
178 newtSuspend();
179 }
180 log_msg(1, "command = '%s'", command);
181 retval += system(command);
182 if (!g_text_mode) {
183 newtResume();
184 }
185 if (retval) {
186 popup_and_OK("mkisofs and/or cdrecord returned an error. CD was not created");
187 }
188 }
189 /* if text mode then do the above & RETURN; if not text mode, do this... */
190 else {
191 log_msg(3, "command = '%s'", command);
192 retval = run_external_binary_with_percentage_indicator_NEW(what_i_am_doing, command);
193 }
194 mr_free(command);
195 return (retval);
196}
197
198
199/**
200 * Call copy of data to create an USB image.
201 * @param bkpinfo The backup information structure. Fields used:
202 * - @c bkpinfo->backup_media_type
203 * @return Exit code of @c copy (0 is success, anything else indicates failure).
204 */
205int
206eval_call_to_make_USB(char *command, char *what_i_am_doing) {
207
208 /*@ int's *** */
209 int retval = 0;
210
211
212/*@*********** End Variables ***************************************/
213
214 log_msg(3, "Starting");
215 assert(bkpinfo != NULL);
216
217 log_to_screen
218 ("Please be patient. Do not be alarmed by on-screen inactivity.");
219 log_msg(4, "Calling open_evalcall_form() with what_i_am_doing='%s'",
220 what_i_am_doing);
221
222 if (!g_text_mode) {
223 newtSuspend();
224 }
225 log_msg(1, "command = '%s'", command);
226 if (!g_text_mode) {
227 retval = run_external_binary_with_percentage_indicator_NEW(what_i_am_doing, command);
228 } else {
229 retval += system(command);
230 }
231 if (!g_text_mode) {
232 newtResume();
233 }
234
235 return (retval);
236}
237
238
239
240
241/**
242 * Run a program and log its output (stdout and stderr) to the logfile.
243 * @param program The program to run. Passed to the shell, so you can use pipes etc.
244 * @param debug_level If @p g_loglevel is higher than this, do not log the output.
245 * @return The exit code of @p program (depends on the command, but 0 almost always indicates success).
246 */
247int run_program_and_log_output(char *program, int debug_level)
248{
249 /*@ buffer ****************************************************** */
250 char *callstr = NULL;
251 char incoming[MAX_STR_LEN * 2];
252 char *tmp1 = NULL;
253
254 /*@ int ********************************************************* */
255 int res;
256 bool log_if_failure = FALSE;
257 bool log_if_success = FALSE;
258
259 /*@ pointers *************************************************** */
260 FILE *fin;
261 char *p;
262 char *q;
263
264 /*@ end vars *************************************************** */
265
266 assert(program != NULL);
267 if (!program[0]) {
268 log_msg(2, "Warning - asked to run zerolength program");
269 return (1);
270 }
271
272 if (debug_level <= g_loglevel) {
273 log_if_success = TRUE;
274 log_if_failure = TRUE;
275 }
276 mr_asprintf(callstr, "%s > %s/mondo-run-prog-thing.tmp 2> %s/mondo-run-prog-thing.err", program, bkpinfo->tmpdir, bkpinfo->tmpdir);
277 while ((p = strchr(callstr, '\r'))) {
278 *p = ' ';
279 }
280 while ((p = strchr(callstr, '\n'))) {
281 *p = ' ';
282 } /* single '=' is intentional */
283
284
285 res = system(callstr);
286 if (((res == 0) && log_if_success) || ((res != 0) && log_if_failure)) {
287 log_msg(0, "running: %s", callstr);
288 log_msg(0, "--------------------------------start of output-----------------------------");
289 }
290 mr_free(callstr);
291
292 mr_asprintf(callstr, "cat %s/mondo-run-prog-thing.err >> %s/mondo-run-prog-thing.tmp 2> /dev/null", bkpinfo->tmpdir, bkpinfo->tmpdir);
293 if (log_if_failure && system(callstr)) {
294 log_OS_error("Command failed");
295 }
296 mr_free(callstr);
297
298 mr_asprintf(tmp1, "%s/mondo-run-prog-thing.err", bkpinfo->tmpdir);
299 unlink(tmp1);
300 mr_free(tmp1);
301
302 mr_asprintf(tmp1, "%s/mondo-run-prog-thing.tmp", bkpinfo->tmpdir);
303 fin = fopen(tmp1, "r");
304 if (fin) {
305 for (q = fgets(incoming, MAX_STR_LEN, fin); !feof(fin) && (q != NULL); q = fgets(incoming, MAX_STR_LEN, fin)) {
306 p = incoming;
307 while (p && *p) {
308 if ((p = strchr(p, '%'))) {
309 memmove(p, p + 1, strlen(p) + 1);
310 p += 2;
311 }
312 }
313 strip_spaces(incoming);
314 if ((res == 0 && log_if_success) || (res != 0 && log_if_failure)) {
315 log_msg(0, incoming);
316 }
317 }
318 paranoid_fclose(fin);
319 }
320 unlink(tmp1);
321 mr_free(tmp1);
322
323 if ((res == 0 && log_if_success) || (res != 0 && log_if_failure)) {
324 log_msg(0,
325 "--------------------------------end of output------------------------------");
326 if (res) {
327 log_msg(0, "...ran with res=%d", res);
328 } else {
329 log_msg(0, "...ran just fine. :-)");
330 }
331 }
332 return (res);
333}
334
335
336
337/**
338 * Run a program and log its output to the screen.
339 * @param basic_call The program to run.
340 * @param what_i_am_doing The title of the evalcall form.
341 * @return The return value of the command (varies, but 0 almost always means success).
342 * @see run_program_and_log_output
343 * @see log_to_screen
344 */
345int run_program_and_log_to_screen(char *basic_call, char *what_i_am_doing)
346{
347 /*@ int ******************************************************** */
348 int retval = 0;
349 int res = 0;
350 int i;
351
352 /*@ pointers **************************************************** */
353 FILE *fin;
354
355 /*@ buffers **************************************************** */
356 char *command = NULL;
357 char *lockfile = NULL;
358
359 /*@ end vars *************************************************** */
360
361 assert_string_is_neither_NULL_nor_zerolength(basic_call);
362
363 mr_asprintf(lockfile, "%s/mojo-jojo.bla.bla", bkpinfo->tmpdir);
364
365 mr_asprintf(command, "echo hi > %s ; %s >> %s 2>> %s; res=$?; sleep 1; rm -f %s; exit $res", lockfile, basic_call, MONDO_LOGFILE, MONDO_LOGFILE, lockfile);
366 open_evalcall_form(what_i_am_doing);
367 log_msg(2, "Executing %s", basic_call);
368
369 if (!(fin = popen(command, "r"))) {
370 log_OS_error("Unable to popen-in command");
371 log_to_screen("Failed utterly to call '%s'", command);
372 mr_free(command);
373 mr_free(lockfile);
374 return (1);
375 }
376 mr_free(command);
377
378 if (!does_file_exist(lockfile)) {
379 log_to_screen("Waiting for '%s' to start",command);
380 for (i = 0; i < 60 && !does_file_exist(lockfile); sleep(1), i++) {
381 log_msg(3, "Waiting for lockfile %s to exist", lockfile);
382 }
383 }
384
385 for (; does_file_exist(lockfile); sleep(1)) {
386 log_file_end_to_screen(MONDO_LOGFILE, "");
387 update_evalcall_form(1);
388 }
389
390 /* Evaluate the status returned by pclose to get the exit code of the called program. */
391 errno = 0;
392 res = pclose(fin);
393 /* Log actual pclose errors. */
394 if (errno) log_msg(5, "pclose err: %d", errno);
395 /* Check if we have a valid status. If we do, extract the called program's exit code. */
396 /* If we don't, highlight this fact by returning -1. */
397 if (WIFEXITED(res)) {
398 retval = WEXITSTATUS(res);
399 } else {
400 retval = -1;
401 }
402 close_evalcall_form();
403 unlink(lockfile);
404 mr_free(lockfile);
405
406 return (retval);
407}
408
409
410
411
412/**
413 * Apparently unused. @bug This has a purpose, but what?
414 */
415#define PIMP_START_SZ "STARTSTARTSTART9ff3kff9a82gv34r7fghbkaBBC2T231hc81h42vws8"
416#define PIMP_END_SZ "ENDENDEND0xBBC10xBBC2T231hc81h42vws89ff3kff9a82gv34r7fghbka"
417
418
419
420
421int copy_from_src_to_dest(FILE * f_orig, FILE * f_archived, char direction)
422{
423// if dir=='w' then copy from orig to archived
424// if dir=='r' then copy from archived to orig
425 char *tmp = NULL;
426 char *tmp1 = NULL;
427 char *buf = NULL;
428 char *filestr = NULL;
429 long int bytes_to_be_read, bytes_read_in, bytes_written_out =
430 0, bufcap, subsliceno = 0;
431 int retval = 0;
432 FILE *fin;
433 FILE *fout;
434 FILE *ftmp;
435 int tmpcap = 512;
436
437 log_msg(5, "Opening.");
438
439 bufcap = 256L * 1024L;
440 if (!(buf = malloc(bufcap))) {
441 fatal_error("Failed to malloc() buf");
442 }
443
444 if (direction == 'w') {
445 fin = f_orig;
446 fout = f_archived;
447 mr_asprintf(tmp, "%-64s", PIMP_START_SZ);
448 if (fwrite(tmp, 1, 64, fout) != 64) {
449 mr_free(tmp);
450 fatal_error("Can't write the introductory block");
451 }
452 mr_free(tmp);
453
454 while (1) {
455 bytes_to_be_read = bytes_read_in = fread(buf, 1, bufcap, fin);
456 if (bytes_read_in == 0) {
457 break;
458 }
459 mr_asprintf(tmp, "%-64ld", bytes_read_in);
460 if (fwrite(tmp, 1, 64, fout) != 64) {
461 mr_free(tmp);
462 fatal_error("Cannot write introductory block");
463 }
464 mr_free(tmp);
465
466 log_msg(7,
467 "subslice #%ld --- I have read %ld of %ld bytes in from f_orig",
468 subsliceno, bytes_read_in, bytes_to_be_read);
469 bytes_written_out += fwrite(buf, 1, bytes_read_in, fout);
470 mr_asprintf(tmp, "%-64ld", subsliceno);
471 if (fwrite(tmp, 1, 64, fout) != 64) {
472 mr_free(tmp);
473 fatal_error("Cannot write post-thingy block");
474 }
475 mr_free(tmp);
476 log_msg(7, "Subslice #%d written OK", subsliceno);
477 subsliceno++;
478 }
479 mr_asprintf(tmp, "%-64ld", 0L);
480 if (fwrite(tmp, 1, 64L, fout) != 64L) {
481 mr_free(tmp);
482 fatal_error("Cannot write final introductory block");
483 }
484 mr_free(tmp);
485
486 mr_asprintf(tmp, "%-64s", PIMP_END_SZ);
487 if (fwrite(tmp, 1, 64, fout) != 64) {
488 mr_free(tmp);
489 fatal_error("Can't write the final block");
490 }
491 mr_free(tmp);
492 } else {
493 fin = f_archived;
494 fout = f_orig;
495 if (!(tmp1 = malloc(tmpcap))) {
496 fatal_error("Failed to malloc() tmp");
497 }
498 if (fread(tmp1, 1, 64L, fin) != 64L) {
499 mr_free(tmp1);
500 fatal_error("Cannot read the introductory block");
501 }
502 log_msg(5, "tmp1 is %s", tmp1);
503 if (!strstr(tmp1, PIMP_START_SZ)) {
504 mr_free(tmp1);
505 fatal_error("Can't find intro blk");
506 }
507 if (fread(tmp1, 1, 64L, fin) != 64L) {
508 mr_free(tmp1);
509 fatal_error("Cannot read introductory blk");
510 }
511 bytes_to_be_read = atol(tmp1);
512 while (bytes_to_be_read > 0) {
513 log_msg(7, "subslice#%ld, bytes=%ld", subsliceno, bytes_to_be_read);
514 bytes_read_in = fread(buf, 1, bytes_to_be_read, fin);
515 if (bytes_read_in != bytes_to_be_read) {
516 mr_free(tmp1);
517 fatal_error("Danger, WIll Robinson. Failed to read whole subvol from archives.");
518 }
519 bytes_written_out += fwrite(buf, 1, bytes_read_in, fout);
520 if (fread(tmp1, 1, 64, fin) != 64) {
521 mr_free(tmp1);
522 fatal_error("Cannot read post-thingy block");
523 }
524 if (atol(tmp1) != subsliceno) {
525 log_msg(1, "Wanted subslice %ld but got %ld ('%s')", subsliceno, atol(tmp1), tmp1);
526 }
527 log_msg(7, "Subslice #%ld read OK", subsliceno);
528 subsliceno++;
529 if (fread(tmp1, 1, 64, fin) != 64) {
530 mr_free(tmp1);
531 fatal_error("Cannot read introductory block");
532 }
533 bytes_to_be_read = atol(tmp1);
534 }
535 log_msg(1, "tmpA is %s", tmp1);
536 if (!strstr(tmp1, PIMP_END_SZ)) {
537 if (fread(tmp1, 1, 64, fin) != 64) {
538 mr_free(tmp1);
539 fatal_error("Can't read the final block");
540 }
541 log_msg(5, "tmpB is %s", tmp1);
542 if (!strstr(tmp1, PIMP_END_SZ)) {
543 mr_asprintf(filestr, "%s/out.leftover", bkpinfo->tmpdir);
544 ftmp = fopen(filestr, "w");
545 mr_free(filestr);
546
547 bytes_read_in = fread(tmp1, 1, 64, fin);
548 log_msg(1, "bytes_read_in = %ld", bytes_read_in);
549
550 if (fwrite(tmp, 1, bytes_read_in, ftmp)) {
551 fatal_error("Can't fwrite here");
552 }
553
554 sprintf(tmp, "I am here - %lld", (long long)ftello(fin));
555 if (fread(tmp, 1, tmpcap, fin)) {
556 fatal_error("Can't fread here");
557 }
558 log_msg(0, "tmp = '%s'", tmp);
559 if (fwrite(tmp, 1, tmpcap, ftmp)) {
560 fatal_error("Can't fwrite there");
561 }
562 fclose(ftmp);
563 mr_free(tmp1);
564 fatal_error("Missing terminating block");
565 }
566 }
567 mr_free(tmp1);
568 }
569
570 paranoid_free(buf);
571 log_msg(3, "Successfully copied %ld bytes", bytes_written_out);
572 return (retval);
573}
574
575
576
577
578/**
579 * Feed @p input_device through ntfsclone to @p output_fname.
580 * @param input_device The device to image.
581 * @param output_fname The file to write.
582 * @return 0 for success, nonzero for failure.
583 */
584int feed_into_ntfsprog(char *input_device, char *output_fname)
585{
586// BACKUP
587 int res = -1;
588 char *command = NULL;
589
590 if (!does_file_exist(input_device)) {
591 fatal_error("input device does not exist");
592 }
593 command = find_home_of_exe("ntfsclone");
594 if (!command) {
595 mr_free(command);
596 fatal_error("ntfsclone not found");
597 }
598 mr_free(command);
599
600 mr_asprintf(command, "ntfsclone --rescue --force --save-image --overwrite %s %s", output_fname, input_device);
601 res = run_program_and_log_output(command, 5);
602 mr_free(command);
603
604 unlink(output_fname);
605 return (res);
606}
607
608
609void *run_prog_in_bkgd_then_exit(void *info)
610{
611 char *sz_command;
612 static int res = 4444;
613
614 res = 999;
615 sz_command = (char *) info;
616 log_msg(4, "sz_command = '%s'", sz_command);
617 res = system(sz_command);
618 if (res > 256 && res != 4444) {
619 res = res / 256;
620 }
621 log_msg(4, "child res = %d", res);
622 sz_command[0] = '\0';
623 pthread_exit((void *) (&res));
624}
625
626
627
628
629int run_external_binary_with_percentage_indicator_NEW(char *tt, char *cmd) {
630
631 /*@ int *************************************************************** */
632 int res = 0;
633 int percentage = 0;
634 int maxpc = 100;
635 int pcno = 0;
636 int last_pcno = 0;
637 int counter = 0;
638
639 /*@ buffers *********************************************************** */
640 char *command = NULL;
641 char *title = NULL;
642 /*@ pointers ********************************************************** */
643 static int chldres = 0;
644 int *pchild_result;
645 pthread_t childthread;
646
647 pchild_result = &chldres;
648 assert_string_is_neither_NULL_nor_zerolength(cmd);
649 assert_string_is_neither_NULL_nor_zerolength(tt);
650 *pchild_result = 999;
651
652 mr_asprintf(command, "%s 2>> %s", cmd, MONDO_LOGFILE);
653 log_msg(3, "command = '%s'", command);
654 if ((res = pthread_create(&childthread, NULL, run_prog_in_bkgd_then_exit, (void *) command))) {
655 fatal_error("Unable to create an archival thread");
656 }
657
658 log_msg(8, "Parent running");
659 mr_asprintf(title, "%s", tt);
660 open_evalcall_form(title);
661 mr_free(title);
662
663 for (sleep(1); command[0] != '\0'; sleep(1)) {
664 pcno = grab_percentage_from_last_line_of_file(MONDO_LOGFILE);
665 if (pcno < 0 || pcno > 100) {
666 log_msg(8, "Weird pc# %d", pcno);
667 continue;
668 }
669 percentage = pcno * 100 / maxpc;
670 if (pcno <= 5 && last_pcno >= 40) {
671 close_evalcall_form();
672 mr_asprintf(title, "Verifying...");
673 open_evalcall_form(title);
674 mr_free(title);
675 }
676 if (counter++ >= 5) {
677 counter = 0;
678 log_file_end_to_screen(MONDO_LOGFILE, "");
679 }
680 last_pcno = pcno;
681 update_evalcall_form(percentage);
682 }
683 mr_free(command);
684
685 log_file_end_to_screen(MONDO_LOGFILE, "");
686 close_evalcall_form();
687 pthread_join(childthread, (void *) (&pchild_result));
688 if (pchild_result) {
689 res = *pchild_result;
690 } else {
691 res = 666;
692 }
693 log_msg(3, "Parent res = %d", res);
694 return (res);
695}
696
697
698/**
699 * Feed @p input_fifo through ntfsclone (restore) to @p output_device.
700 * @param input_fifo The ntfsclone file to read.
701 * @param output_device Where to put the output.
702 * @return The return value of ntfsclone (0 for success).
703 */
704int feed_outfrom_ntfsprog(char *output_device, char *input_fifo)
705{
706// RESTORE
707 int res = -1;
708 char *command = NULL;
709
710 command = find_home_of_exe("ntfsclone");
711 if (!command) {
712 mr_free(command);
713 fatal_error("ntfsclone not found");
714 }
715 mr_free(command);
716
717 mr_asprintf(command, "ntfsclone --rescue --force --restore-image --overwrite %s %s", output_device, input_fifo);
718 res = run_program_and_log_output(command, 5);
719 mr_free(command);
720 return (res);
721}
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