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- Committer: Teddy Hogeborn
- Date: 2008-08-14 02:24:59 UTC
- Revision ID: teddy@fukt.bsnet.se-20080814022459-rq3jt4q409l3qbj3
* Makefile (PREFIX, CONFDIR): New.
* initramfs-tools-hook: Search for Mandos in /usr/local as well as in
/usr. Also copy plugin-runner. Also chmod
the config dir.
(DESTCONFDIR): Removed.
(MANDOSDIR): New.
(PLUGINDIR): Changed to "${MANDOSDIR}/plugins.d".
* initramfs-tools-script: New.
* mandos-client.c: Renamed to "plugin-runner.c". All references
changed.
(plugindir): Changed to "/lib/mandos/plugins.d".
* plugins.d/usplash: New.
* initramfs-tools-hook: Search for Mandos in /usr/local as well as in
/usr. Also copy plugin-runner. Also chmod
the config dir.
(DESTCONFDIR): Removed.
(MANDOSDIR): New.
(PLUGINDIR): Changed to "${MANDOSDIR}/plugins.d".
* initramfs-tools-script: New.
* mandos-client.c: Renamed to "plugin-runner.c". All references
changed.
(plugindir): Changed to "/lib/mandos/plugins.d".
* plugins.d/usplash: New.
- files added:
- network-protocol.txt
- files removed:
- COPYING
- files modified:
- Makefile
added
removed
plugin-runner.c
21
21
* Contact the authors at <mandos@fukt.bsnet.se>.
22
22
*/
23
23
24
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), getline(),
25
asprintf() */
24
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
25
26
26
#include <stddef.h> /* size_t, NULL */
27
27
#include <stdlib.h> /* malloc(), exit(), EXIT_FAILURE,
28
28
EXIT_SUCCESS, realloc() */
51
51
close() */
52
52
#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
53
53
FD_CLOEXEC */
54
#include <string.h> /* strsep, strlen(), asprintf() */
54
#include <string.h> /* strtok, strlen(), strcpy(),
55
strcat() */
55
56
#include <errno.h> /* errno */
56
57
#include <argp.h> /* struct argp_option, struct
57
58
argp_state, struct argp,
58
59
argp_parse(), ARGP_ERR_UNKNOWN,
59
ARGP_KEY_END, ARGP_KEY_ARG,
60
error_t */
60
ARGP_KEY_END, ARGP_KEY_ARG, error_t */
61
61
#include <signal.h> /* struct sigaction, sigemptyset(),
62
62
sigaddset(), sigaction(),
63
63
sigprocmask(), SIG_BLOCK, SIGCHLD,
65
65
#include <errno.h> /* errno, EBADF */
66
66
67
67
#define BUFFER_SIZE 256
68
#define ARGFILE "/conf/conf.d/mandos/plugin-runner.conf"
69
68
70
69
const char *argp_program_version = "plugin-runner 1.0";
71
70
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
79
78
size_t buffer_size;
80
79
size_t buffer_length;
81
80
bool eof;
82
volatile bool completed;
83
volatile int status;
81
bool completed;
82
int status;
84
83
struct process *next;
85
84
} process;
86
85
88
87
char *name; /* can be NULL or any plugin name */
89
88
char **argv;
90
89
int argc;
91
char **environ;
92
int envc;
93
90
bool disabled;
94
91
struct plugin *next;
95
92
} plugin;
104
101
/* Create a new plugin */
105
102
plugin *new_plugin = malloc(sizeof(plugin));
106
103
if (new_plugin == NULL){
107
return NULL;
108
}
109
char *copy_name = NULL;
110
if(name != NULL){
111
copy_name = strdup(name);
112
if(copy_name == NULL){
113
return NULL;
114
}
115
}
116
117
*new_plugin = (plugin) { .name = copy_name,
118
.argc = 1,
119
.envc = 0,
120
.disabled = false,
121
.next = *plugin_list };
122
104
perror("malloc");
105
exit(EXIT_FAILURE);
106
}
107
new_plugin->name = name;
123
108
new_plugin->argv = malloc(sizeof(char *) * 2);
124
109
if (new_plugin->argv == NULL){
125
free(copy_name);
126
free(new_plugin);
127
return NULL;
110
perror("malloc");
111
exit(EXIT_FAILURE);
128
112
}
129
new_plugin->argv[0] = copy_name;
113
new_plugin->argv[0] = name;
130
114
new_plugin->argv[1] = NULL;
131
132
new_plugin->environ = malloc(sizeof(char *));
133
if(new_plugin->environ == NULL){
134
free(copy_name);
135
free(new_plugin->argv);
136
free(new_plugin);
137
return NULL;
138
}
139
new_plugin->environ[0] = NULL;
115
new_plugin->argc = 1;
116
new_plugin->disabled = false;
117
new_plugin->next = *plugin_list;
140
118
/* Append the new plugin to the list */
141
119
*plugin_list = new_plugin;
142
120
return new_plugin;
143
121
}
144
122
145
/* Helper function for add_argument and add_environment */
146
static bool add_to_char_array(const char *new, char ***array,
147
int *len){
148
/* Resize the pointed-to array to hold one more pointer */
149
*array = realloc(*array, sizeof(char *)
150
* (size_t) ((*len) + 2));
151
/* Malloc check */
152
if(*array == NULL){
153
return false;
154
}
155
/* Make a copy of the new string */
156
char *copy = strdup(new);
157
if(copy == NULL){
158
return false;
159
}
160
/* Insert the copy */
161
(*array)[*len] = copy;
162
(*len)++;
163
/* Add a new terminating NULL pointer to the last element */
164
(*array)[*len] = NULL;
165
return true;
166
}
167
168
/* Add to a plugin's argument vector */
169
static bool add_argument(plugin *p, const char *arg){
170
if(p == NULL){
171
return false;
172
}
173
return add_to_char_array(arg, &(p->argv), &(p->argc));
174
}
175
176
/* Add to a plugin's environment */
177
static bool add_environment(plugin *p, const char *def){
178
if(p == NULL){
179
return false;
180
}
181
return add_to_char_array(def, &(p->environ), &(p->envc));
182
}
183
123
static void addargument(plugin *p, char *arg){
124
p->argv[p->argc] = arg;
125
p->argv = realloc(p->argv, sizeof(char *) * (size_t)(p->argc + 2));
126
if (p->argv == NULL){
127
perror("malloc");
128
exit(EXIT_FAILURE);
129
}
130
p->argc++;
131
p->argv[p->argc] = NULL;
132
}
184
133
185
134
/*
186
135
* Based on the example in the GNU LibC manual chapter 13.13 "File
200
149
201
150
process *process_list = NULL;
202
151
203
/* Mark processes as completed when they exit, and save their exit
152
/* Mark a process as completed when it exits, and save its exit
204
153
status. */
205
154
void handle_sigchld(__attribute__((unused)) int sig){
206
while(true){
207
process *proc = process_list;
208
int status;
209
pid_t pid = waitpid(-1, &status, WNOHANG);
210
if(pid == 0){
211
/* Only still running child processes */
212
break;
213
}
214
if(pid == -1){
215
if (errno != ECHILD){
216
perror("waitpid");
217
}
218
/* No child processes */
219
break;
220
}
221
222
/* A child exited, find it in process_list */
223
while(proc != NULL and proc->pid != pid){
224
proc = proc->next;
225
}
226
if(proc == NULL){
227
/* Process not found in process list */
228
continue;
229
}
230
proc->status = status;
231
proc->completed = true;
232
}
155
process *proc = process_list;
156
int status;
157
pid_t pid = wait(&status);
158
if(pid == -1){
159
perror("wait");
160
return;
161
}
162
while(proc != NULL and proc->pid != pid){
163
proc = proc->next;
164
}
165
if(proc == NULL){
166
/* Process not found in process list */
167
return;
168
}
169
proc->status = status;
170
proc->completed = true;
233
171
}
234
172
235
173
bool print_out_password(const char *buffer, size_t length){
247
185
return true;
248
186
}
249
187
250
char **add_to_argv(char **argv, int *argc, char *arg){
251
if (argv == NULL){
252
*argc = 1;
253
argv = malloc(sizeof(char*) * 2);
254
if(argv == NULL){
255
return NULL;
256
}
257
argv[0] = NULL; /* Will be set to argv[0] in main before parsing */
258
argv[1] = NULL;
259
}
260
*argc += 1;
261
argv = realloc(argv, sizeof(char *)
262
* ((unsigned int) *argc + 1));
263
if(argv == NULL){
264
return NULL;
265
}
266
argv[*argc-1] = arg;
267
argv[*argc] = NULL;
268
return argv;
269
}
270
271
static void free_plugin_list(plugin *plugin_list){
272
for(plugin *next; plugin_list != NULL; plugin_list = next){
273
next = plugin_list->next;
274
for(char **arg = plugin_list->argv; *arg != NULL; arg++){
275
free(*arg);
276
}
277
free(plugin_list->argv);
278
for(char **env = plugin_list->environ; *env != NULL; env++){
279
free(*env);
280
}
281
free(plugin_list->environ);
282
free(plugin_list);
283
}
284
}
285
286
188
int main(int argc, char *argv[]){
287
189
const char *plugindir = "/lib/mandos/plugins.d";
288
const char *argfile = ARGFILE;
289
FILE *conffp;
290
190
size_t d_name_len;
291
191
DIR *dir = NULL;
292
192
struct dirent *dirst;
300
200
struct sigaction old_sigchld_action;
301
201
struct sigaction sigchld_action = { .sa_handler = handle_sigchld,
302
202
.sa_flags = SA_NOCLDSTOP };
303
char **custom_argv = NULL;
304
int custom_argc = 0;
305
203
char *plus_options = NULL;
204
char **plus_argv = NULL;
205
306
206
/* Establish a signal handler */
307
207
sigemptyset(&sigchld_action.sa_mask);
308
208
ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
309
if(ret == -1){
209
if(ret < 0){
310
210
perror("sigaddset");
311
exitstatus = EXIT_FAILURE;
312
goto fallback;
211
exit(EXIT_FAILURE);
313
212
}
314
213
ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
315
if(ret == -1){
214
if(ret < 0){
316
215
perror("sigaction");
317
exitstatus = EXIT_FAILURE;
318
goto fallback;
216
exit(EXIT_FAILURE);
319
217
}
320
218
321
219
/* The options we understand. */
323
221
{ .name = "global-options", .key = 'g',
324
222
.arg = "OPTION[,OPTION[,...]]",
325
223
.doc = "Options passed to all plugins" },
326
{ .name = "global-envs", .key = 'e',
327
.arg = "VAR=value",
328
.doc = "Environment variable passed to all plugins" },
329
224
{ .name = "options-for", .key = 'o',
330
225
.arg = "PLUGIN:OPTION[,OPTION[,...]]",
331
226
.doc = "Options passed only to specified plugin" },
332
{ .name = "envs-for", .key = 'f',
333
.arg = "PLUGIN:ENV=value",
334
.doc = "Environment variable passed to specified plugin" },
335
227
{ .name = "disable", .key = 'd',
336
228
.arg = "PLUGIN",
337
229
.doc = "Disable a specific plugin", .group = 1 },
356
248
switch (key) {
357
249
case 'g':
358
250
if (arg != NULL){
359
char *p;
360
while((p = strsep(&arg, ",")) != NULL){
361
if(p[0] == '\0'){
362
continue;
363
}
364
if(not add_argument(getplugin(NULL, plugins), p)){
365
perror("add_argument");
366
return ARGP_ERR_UNKNOWN;
367
}
368
}
369
}
370
break;
371
case 'e':
372
if(arg == NULL){
373
break;
374
}
375
{
376
char *envdef = strdup(arg);
377
if(envdef == NULL){
378
break;
379
}
380
if(not add_environment(getplugin(NULL, plugins), envdef)){
381
perror("add_environment");
382
}
251
char *p = strtok(arg, ",");
252
do{
253
addargument(getplugin(NULL, plugins), p);
254
p = strtok(NULL, ",");
255
} while (p != NULL);
383
256
}
384
257
break;
385
258
case 'o':
386
259
if (arg != NULL){
387
char *p_name = strsep(&arg, ":");
388
if(p_name[0] == '\0'){
389
break;
390
}
391
char *opt = strsep(&arg, ":");
392
if(opt[0] == '\0'){
393
break;
394
}
395
if(opt != NULL){
396
char *p;
397
while((p = strsep(&opt, ",")) != NULL){
398
if(p[0] == '\0'){
399
continue;
400
}
401
if(not add_argument(getplugin(p_name, plugins), p)){
402
perror("add_argument");
403
return ARGP_ERR_UNKNOWN;
404
}
405
}
406
}
407
}
408
break;
409
case 'f':
410
if(arg == NULL){
411
break;
412
}
413
{
414
char *envdef = strchr(arg, ':');
415
if(envdef == NULL){
416
break;
417
}
418
char *p_name = strndup(arg, (size_t) (envdef-arg));
419
if(p_name == NULL){
420
break;
421
}
422
envdef++;
423
if(not add_environment(getplugin(p_name, plugins), envdef)){
424
perror("add_environment");
260
char *name = strtok(arg, ":");
261
char *p = strtok(NULL, ":");
262
if(p != NULL){
263
p = strtok(p, ",");
264
do{
265
addargument(getplugin(name, plugins), p);
266
p = strtok(NULL, ",");
267
} while (p != NULL);
425
268
}
426
269
}
427
270
break;
428
271
case 'd':
429
272
if (arg != NULL){
430
plugin *p = getplugin(arg, plugins);
431
if(p == NULL){
432
return ARGP_ERR_UNKNOWN;
433
}
434
p->disabled = true;
273
getplugin(arg, plugins)->disabled = true;
435
274
}
436
275
break;
437
276
case 128:
447
286
debug = true;
448
287
break;
449
288
case ARGP_KEY_ARG:
450
fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
289
if(plus_options != NULL or arg == NULL or arg[0] != '+'){
290
argp_usage (state);
291
}
292
plus_options = arg;
451
293
break;
452
294
case ARGP_KEY_END:
453
295
break;
467
309
if (ret == ARGP_ERR_UNKNOWN){
468
310
fprintf(stderr, "Unknown error while parsing arguments\n");
469
311
exitstatus = EXIT_FAILURE;
470
goto fallback;
312
goto end;
471
313
}
472
473
conffp = fopen(argfile, "r");
474
if(conffp != NULL){
475
char *org_line = NULL;
476
char *p, *arg, *new_arg, *line;
477
size_t size = 0;
478
ssize_t sret;
479
const char whitespace_delims[] = " \r\t\f\v\n";
480
const char comment_delim[] = "#";
481
482
while(true){
483
sret = getline(&org_line, &size, conffp);
484
if(sret == -1){
485
break;
486
}
487
488
line = org_line;
489
arg = strsep(&line, comment_delim);
490
while((p = strsep(&arg, whitespace_delims)) != NULL){
491
if(p[0] == '\0'){
492
continue;
493
}
494
new_arg = strdup(p);
495
custom_argv = add_to_argv(custom_argv, &custom_argc, new_arg);
496
if (custom_argv == NULL){
497
perror("add_to_argv");
498
exitstatus = EXIT_FAILURE;
499
goto fallback;
500
}
501
}
502
}
503
free(org_line);
504
} else{
505
/* Check for harmful errors and go to fallback. Other errors might
506
not affect opening plugins */
507
if (errno == EMFILE or errno == ENFILE or errno == ENOMEM){
508
perror("fopen");
314
315
if(plus_options){
316
/* This is a mangled argument in the form of
317
"+--option+--other-option=parameter+--yet-another-option", etc */
318
/* Make new argc and argv vars, and call argp_parse() again. */
319
plus_options++; /* skip the first '+' character */
320
const char delims[] = "+";
321
char *arg;
322
int new_argc = 1;
323
plus_argv = malloc(sizeof(char*) * 2);
324
if(plus_argv == NULL){
325
perror("malloc");
509
326
exitstatus = EXIT_FAILURE;
510
goto fallback;
511
}
512
}
513
514
if(custom_argv != NULL){
515
custom_argv[0] = argv[0];
516
ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0, &plugin_list);
327
goto end;
328
}
329
plus_argv[0] = argv[0];
330
plus_argv[1] = NULL;
331
arg = strtok(plus_options, delims); /* Get first argument */
332
while(arg != NULL){
333
new_argc++;
334
plus_argv = realloc(plus_argv, sizeof(char *)
335
* ((unsigned int) new_argc + 1));
336
if(plus_argv == NULL){
337
perror("realloc");
338
exitstatus = EXIT_FAILURE;
339
goto end;
340
}
341
plus_argv[new_argc-1] = arg;
342
plus_argv[new_argc] = NULL;
343
arg = strtok(NULL, delims); /* Get next argument */
344
}
345
ret = argp_parse (&argp, new_argc, plus_argv, 0, 0, &plugin_list);
517
346
if (ret == ARGP_ERR_UNKNOWN){
518
347
fprintf(stderr, "Unknown error while parsing arguments\n");
519
348
exitstatus = EXIT_FAILURE;
520
goto fallback;
349
goto end;
521
350
}
522
351
}
523
352
528
357
for(char **a = p->argv; *a != NULL; a++){
529
358
fprintf(stderr, "\tArg: %s\n", *a);
530
359
}
531
fprintf(stderr, "...and %u environment variables\n", p->envc);
532
for(char **a = p->environ; *a != NULL; a++){
533
fprintf(stderr, "\t%s\n", *a);
534
}
535
360
}
536
361
}
537
362
549
374
if(dir == NULL){
550
375
perror("Could not open plugin dir");
551
376
exitstatus = EXIT_FAILURE;
552
goto fallback;
377
goto end;
553
378
}
554
379
555
380
/* Set the FD_CLOEXEC flag on the directory, if possible */
560
385
if(ret < 0){
561
386
perror("set_cloexec_flag");
562
387
exitstatus = EXIT_FAILURE;
563
goto fallback;
388
goto end;
564
389
}
565
390
}
566
391
}
575
400
if (errno == EBADF){
576
401
perror("readdir");
577
402
exitstatus = EXIT_FAILURE;
578
goto fallback;
403
goto end;
579
404
}
580
405
break;
581
406
}
626
451
continue;
627
452
}
628
453
}
629
630
char *filename;
631
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
632
if(ret < 0){
633
perror("asprintf");
454
455
char *filename = malloc(d_name_len + strlen(plugindir) + 2);
456
if (filename == NULL){
457
perror("malloc");
634
458
continue;
635
459
}
460
strcpy(filename, plugindir); /* Spurious warning */
461
strcat(filename, "/"); /* Spurious warning */
462
strcat(filename, dirst->d_name); /* Spurious warning */
636
463
637
464
ret = stat(filename, &st);
638
465
if (ret == -1){
649
476
free(filename);
650
477
continue;
651
478
}
652
plugin *p = getplugin(dirst->d_name, &plugin_list);
653
if(p == NULL){
654
perror("getplugin");
655
free(filename);
656
continue;
657
}
658
if(p->disabled){
479
if(getplugin(dirst->d_name, &plugin_list)->disabled){
659
480
if(debug){
660
481
fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
661
482
dirst->d_name);
663
484
free(filename);
664
485
continue;
665
486
}
487
plugin *p = getplugin(dirst->d_name, &plugin_list);
666
488
{
667
489
/* Add global arguments to argument list for this plugin */
668
490
plugin *g = getplugin(NULL, &plugin_list);
669
if(g != NULL){
670
for(char **a = g->argv + 1; *a != NULL; a++){
671
if(not add_argument(p, *a)){
672
perror("add_argument");
673
}
674
}
675
/* Add global environment variables */
676
for(char **e = g->environ; *e != NULL; e++){
677
if(not add_environment(p, *e)){
678
perror("add_environment");
679
}
680
}
681
}
682
}
683
/* If this plugin has any environment variables, we will call
684
using execve and need to duplicate the environment from this
685
process, too. */
686
if(p->environ[0] != NULL){
687
for(char **e = environ; *e != NULL; e++){
688
char *copy = strdup(*e);
689
if(copy == NULL){
690
perror("strdup");
691
continue;
692
}
693
if(not add_environment(p, copy)){
694
perror("add_environment");
695
}
696
}
697
}
698
699
int pipefd[2];
491
for(char **a = g->argv + 1; *a != NULL; a++){
492
addargument(p, *a);
493
}
494
}
495
int pipefd[2];
700
496
ret = pipe(pipefd);
701
497
if (ret == -1){
702
498
perror("pipe");
703
499
exitstatus = EXIT_FAILURE;
704
goto fallback;
500
goto end;
705
501
}
706
502
ret = set_cloexec_flag(pipefd[0]);
707
503
if(ret < 0){
708
504
perror("set_cloexec_flag");
709
505
exitstatus = EXIT_FAILURE;
710
goto fallback;
506
goto end;
711
507
}
712
508
ret = set_cloexec_flag(pipefd[1]);
713
509
if(ret < 0){
714
510
perror("set_cloexec_flag");
715
511
exitstatus = EXIT_FAILURE;
716
goto fallback;
512
goto end;
717
513
}
718
514
/* Block SIGCHLD until process is safely in process list */
719
515
ret = sigprocmask (SIG_BLOCK, &sigchld_action.sa_mask, NULL);
720
516
if(ret < 0){
721
517
perror("sigprocmask");
722
518
exitstatus = EXIT_FAILURE;
723
goto fallback;
519
goto end;
724
520
}
725
521
// Starting a new process to be watched
726
522
pid_t pid = fork();
727
523
if(pid == -1){
728
524
perror("fork");
729
525
exitstatus = EXIT_FAILURE;
730
goto fallback;
526
goto end;
731
527
}
732
528
if(pid == 0){
733
529
/* this is the child process */
753
549
above and must now close it manually here. */
754
550
closedir(dir);
755
551
}
756
if(p->environ[0] == NULL){
757
if(execv(filename, p->argv) < 0){
758
perror("execv");
759
_exit(EXIT_FAILURE);
760
}
761
} else {
762
if(execve(filename, p->argv, p->environ) < 0){
763
perror("execve");
764
_exit(EXIT_FAILURE);
765
}
552
if(execv(filename, p->argv) < 0){
553
perror("execv");
554
_exit(EXIT_FAILURE);
766
555
}
767
556
/* no return */
768
557
}
777
566
perror("sigprocmask");
778
567
}
779
568
exitstatus = EXIT_FAILURE;
780
goto fallback;
569
goto end;
781
570
}
782
571
783
572
*new_process = (struct process){ .pid = pid,
791
580
if(ret < 0){
792
581
perror("sigprocmask");
793
582
exitstatus = EXIT_FAILURE;
794
goto fallback;
583
goto end;
795
584
}
796
585
797
586
FD_SET(new_process->fd, &rfds_all);
802
591
803
592
}
804
593
805
free_plugin_list(plugin_list);
806
plugin_list = NULL;
594
/* Free the plugin list */
595
for(plugin *next; plugin_list != NULL; plugin_list = next){
596
next = plugin_list->next;
597
free(plugin_list->argv);
598
free(plugin_list);
599
}
807
600
808
601
closedir(dir);
809
602
dir = NULL;
819
612
if (select_ret == -1){
820
613
perror("select");
821
614
exitstatus = EXIT_FAILURE;
822
goto fallback;
615
goto end;
823
616
}
824
617
/* OK, now either a process completed, or something can be read
825
618
from one of them */
847
640
/* Remove the plugin */
848
641
FD_CLR(proc->fd, &rfds_all);
849
642
/* Block signal while modifying process_list */
850
ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
643
ret = sigprocmask (SIG_BLOCK, &sigchld_action.sa_mask, NULL);
851
644
if(ret < 0){
852
645
perror("sigprocmask");
853
646
exitstatus = EXIT_FAILURE;
854
goto fallback;
647
goto end;
855
648
}
856
649
/* Delete this process entry from the list */
857
650
if(process_list == proc){
881
674
}
882
675
/* This process exited nicely, so print its buffer */
883
676
884
bool bret = print_out_password(proc->buffer,
885
proc->buffer_length);
677
bool bret = print_out_password(proc->buffer, proc->buffer_length);
886
678
if(not bret){
887
679
perror("print_out_password");
888
680
exitstatus = EXIT_FAILURE;
889
681
}
890
goto fallback;
682
goto end;
891
683
}
892
684
/* This process has not completed. Does it have any output? */
893
685
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
901
693
if (proc->buffer == NULL){
902
694
perror("malloc");
903
695
exitstatus = EXIT_FAILURE;
904
goto fallback;
696
goto end;
905
697
}
906
698
proc->buffer_size += BUFFER_SIZE;
907
699
}
922
714
}
923
715
924
716
925
fallback:
717
end:
926
718
927
719
if(process_list == NULL or exitstatus != EXIT_SUCCESS){
928
/* Fallback if all plugins failed, none are found or an error
929
occured */
720
/* Fallback if all plugins failed, none are found or an error occured */
930
721
bool bret;
931
722
fprintf(stderr, "Going to fallback mode using getpass(3)\n");
932
723
char *passwordbuffer = getpass("Password: ");
934
725
if(not bret){
935
726
perror("print_out_password");
936
727
exitstatus = EXIT_FAILURE;
728
goto end;
937
729
}
938
730
}
939
731
940
732
/* Restore old signal handler */
941
ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
942
if(ret == -1){
943
perror("sigaction");
944
exitstatus = EXIT_FAILURE;
945
}
946
947
if(custom_argv != NULL){
948
for(char **arg = custom_argv; *arg != NULL; arg++){
949
free(*arg);
950
}
951
free(custom_argv);
952
}
953
free_plugin_list(plugin_list);
733
sigaction(SIGCHLD, &old_sigchld_action, NULL);
734
735
free(plus_argv);
736
737
/* Free the plugin list */
738
for(plugin *next; plugin_list != NULL; plugin_list = next){
739
next = plugin_list->next;
740
free(plugin_list->argv);
741
free(plugin_list);
742
}
954
743
955
744
if(dir != NULL){
956
745
closedir(dir);
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0