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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
258
parsing */
259
argv[1] = NULL;
260
}
261
*argc += 1;
262
argv = realloc(argv, sizeof(char *)
263
* ((unsigned int) *argc + 1));
264
if(argv == NULL){
265
return NULL;
266
}
267
argv[*argc-1] = arg;
268
argv[*argc] = NULL;
269
return argv;
270
}
271
272
static void free_plugin_list(plugin *plugin_list){
273
for(plugin *next; plugin_list != NULL; plugin_list = next){
274
next = plugin_list->next;
275
for(char **arg = plugin_list->argv; *arg != NULL; arg++){
276
free(*arg);
277
}
278
free(plugin_list->argv);
279
for(char **env = plugin_list->environ; *env != NULL; env++){
280
free(*env);
281
}
282
free(plugin_list->environ);
283
free(plugin_list);
284
}
285
}
286
287
188
int main(int argc, char *argv[]){
288
189
const char *plugindir = "/lib/mandos/plugins.d";
289
const char *argfile = ARGFILE;
290
FILE *conffp;
291
190
size_t d_name_len;
292
191
DIR *dir = NULL;
293
192
struct dirent *dirst;
301
200
struct sigaction old_sigchld_action;
302
201
struct sigaction sigchld_action = { .sa_handler = handle_sigchld,
303
202
.sa_flags = SA_NOCLDSTOP };
304
char **custom_argv = NULL;
305
int custom_argc = 0;
306
203
char *plus_options = NULL;
204
char **plus_argv = NULL;
205
307
206
/* Establish a signal handler */
308
207
sigemptyset(&sigchld_action.sa_mask);
309
208
ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
310
if(ret == -1){
209
if(ret < 0){
311
210
perror("sigaddset");
312
exitstatus = EXIT_FAILURE;
313
goto fallback;
211
exit(EXIT_FAILURE);
314
212
}
315
213
ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
316
if(ret == -1){
214
if(ret < 0){
317
215
perror("sigaction");
318
exitstatus = EXIT_FAILURE;
319
goto fallback;
216
exit(EXIT_FAILURE);
320
217
}
321
218
322
219
/* The options we understand. */
324
221
{ .name = "global-options", .key = 'g',
325
222
.arg = "OPTION[,OPTION[,...]]",
326
223
.doc = "Options passed to all plugins" },
327
{ .name = "global-envs", .key = 'e',
328
.arg = "VAR=value",
329
.doc = "Environment variable passed to all plugins" },
330
224
{ .name = "options-for", .key = 'o',
331
225
.arg = "PLUGIN:OPTION[,OPTION[,...]]",
332
226
.doc = "Options passed only to specified plugin" },
333
{ .name = "envs-for", .key = 'f',
334
.arg = "PLUGIN:ENV=value",
335
.doc = "Environment variable passed to specified plugin" },
336
227
{ .name = "disable", .key = 'd',
337
228
.arg = "PLUGIN",
338
229
.doc = "Disable a specific plugin", .group = 1 },
357
248
switch (key) {
358
249
case 'g':
359
250
if (arg != NULL){
360
char *p;
361
while((p = strsep(&arg, ",")) != NULL){
362
if(p[0] == '\0'){
363
continue;
364
}
365
if(not add_argument(getplugin(NULL, plugins), p)){
366
perror("add_argument");
367
return ARGP_ERR_UNKNOWN;
368
}
369
}
370
}
371
break;
372
case 'e':
373
if(arg == NULL){
374
break;
375
}
376
{
377
char *envdef = strdup(arg);
378
if(envdef == NULL){
379
break;
380
}
381
if(not add_environment(getplugin(NULL, plugins), envdef)){
382
perror("add_environment");
383
}
251
char *p = strtok(arg, ",");
252
do{
253
addargument(getplugin(NULL, plugins), p);
254
p = strtok(NULL, ",");
255
} while (p != NULL);
384
256
}
385
257
break;
386
258
case 'o':
387
259
if (arg != NULL){
388
char *p_name = strsep(&arg, ":");
389
if(p_name[0] == '\0'){
390
break;
391
}
392
char *opt = strsep(&arg, ":");
393
if(opt[0] == '\0'){
394
break;
395
}
396
if(opt != NULL){
397
char *p;
398
while((p = strsep(&opt, ",")) != NULL){
399
if(p[0] == '\0'){
400
continue;
401
}
402
if(not add_argument(getplugin(p_name, plugins), p)){
403
perror("add_argument");
404
return ARGP_ERR_UNKNOWN;
405
}
406
}
407
}
408
}
409
break;
410
case 'f':
411
if(arg == NULL){
412
break;
413
}
414
{
415
char *envdef = strchr(arg, ':');
416
if(envdef == NULL){
417
break;
418
}
419
char *p_name = strndup(arg, (size_t) (envdef-arg));
420
if(p_name == NULL){
421
break;
422
}
423
envdef++;
424
if(not add_environment(getplugin(p_name, plugins), envdef)){
425
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);
426
268
}
427
269
}
428
270
break;
429
271
case 'd':
430
272
if (arg != NULL){
431
plugin *p = getplugin(arg, plugins);
432
if(p == NULL){
433
return ARGP_ERR_UNKNOWN;
434
}
435
p->disabled = true;
273
getplugin(arg, plugins)->disabled = true;
436
274
}
437
275
break;
438
276
case 128:
448
286
debug = true;
449
287
break;
450
288
case ARGP_KEY_ARG:
451
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;
452
293
break;
453
294
case ARGP_KEY_END:
454
295
break;
468
309
if (ret == ARGP_ERR_UNKNOWN){
469
310
fprintf(stderr, "Unknown error while parsing arguments\n");
470
311
exitstatus = EXIT_FAILURE;
471
goto fallback;
312
goto end;
472
313
}
473
474
conffp = fopen(argfile, "r");
475
if(conffp != NULL){
476
char *org_line = NULL;
477
char *p, *arg, *new_arg, *line;
478
size_t size = 0;
479
ssize_t sret;
480
const char whitespace_delims[] = " \r\t\f\v\n";
481
const char comment_delim[] = "#";
482
483
while(true){
484
sret = getline(&org_line, &size, conffp);
485
if(sret == -1){
486
break;
487
}
488
489
line = org_line;
490
arg = strsep(&line, comment_delim);
491
while((p = strsep(&arg, whitespace_delims)) != NULL){
492
if(p[0] == '\0'){
493
continue;
494
}
495
new_arg = strdup(p);
496
custom_argv = add_to_argv(custom_argv, &custom_argc, new_arg);
497
if (custom_argv == NULL){
498
perror("add_to_argv");
499
exitstatus = EXIT_FAILURE;
500
goto fallback;
501
}
502
}
503
}
504
free(org_line);
505
} else{
506
/* Check for harmful errors and go to fallback. Other errors might
507
not affect opening plugins */
508
if (errno == EMFILE or errno == ENFILE or errno == ENOMEM){
509
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");
510
326
exitstatus = EXIT_FAILURE;
511
goto fallback;
512
}
513
}
514
515
if(custom_argv != NULL){
516
custom_argv[0] = argv[0];
517
ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0,
518
&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);
519
346
if (ret == ARGP_ERR_UNKNOWN){
520
347
fprintf(stderr, "Unknown error while parsing arguments\n");
521
348
exitstatus = EXIT_FAILURE;
522
goto fallback;
349
goto end;
523
350
}
524
351
}
525
352
530
357
for(char **a = p->argv; *a != NULL; a++){
531
358
fprintf(stderr, "\tArg: %s\n", *a);
532
359
}
533
fprintf(stderr, "...and %u environment variables\n", p->envc);
534
for(char **a = p->environ; *a != NULL; a++){
535
fprintf(stderr, "\t%s\n", *a);
536
}
537
360
}
538
361
}
539
362
551
374
if(dir == NULL){
552
375
perror("Could not open plugin dir");
553
376
exitstatus = EXIT_FAILURE;
554
goto fallback;
377
goto end;
555
378
}
556
379
557
380
/* Set the FD_CLOEXEC flag on the directory, if possible */
562
385
if(ret < 0){
563
386
perror("set_cloexec_flag");
564
387
exitstatus = EXIT_FAILURE;
565
goto fallback;
388
goto end;
566
389
}
567
390
}
568
391
}
577
400
if (errno == EBADF){
578
401
perror("readdir");
579
402
exitstatus = EXIT_FAILURE;
580
goto fallback;
403
goto end;
581
404
}
582
405
break;
583
406
}
628
451
continue;
629
452
}
630
453
}
631
632
char *filename;
633
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
634
if(ret < 0){
635
perror("asprintf");
454
455
char *filename = malloc(d_name_len + strlen(plugindir) + 2);
456
if (filename == NULL){
457
perror("malloc");
636
458
continue;
637
459
}
460
strcpy(filename, plugindir); /* Spurious warning */
461
strcat(filename, "/"); /* Spurious warning */
462
strcat(filename, dirst->d_name); /* Spurious warning */
638
463
639
464
ret = stat(filename, &st);
640
465
if (ret == -1){
651
476
free(filename);
652
477
continue;
653
478
}
654
plugin *p = getplugin(dirst->d_name, &plugin_list);
655
if(p == NULL){
656
perror("getplugin");
657
free(filename);
658
continue;
659
}
660
if(p->disabled){
479
if(getplugin(dirst->d_name, &plugin_list)->disabled){
661
480
if(debug){
662
481
fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
663
482
dirst->d_name);
665
484
free(filename);
666
485
continue;
667
486
}
487
plugin *p = getplugin(dirst->d_name, &plugin_list);
668
488
{
669
489
/* Add global arguments to argument list for this plugin */
670
490
plugin *g = getplugin(NULL, &plugin_list);
671
if(g != NULL){
672
for(char **a = g->argv + 1; *a != NULL; a++){
673
if(not add_argument(p, *a)){
674
perror("add_argument");
675
}
676
}
677
/* Add global environment variables */
678
for(char **e = g->environ; *e != NULL; e++){
679
if(not add_environment(p, *e)){
680
perror("add_environment");
681
}
682
}
683
}
684
}
685
/* If this plugin has any environment variables, we will call
686
using execve and need to duplicate the environment from this
687
process, too. */
688
if(p->environ[0] != NULL){
689
for(char **e = environ; *e != NULL; e++){
690
char *copy = strdup(*e);
691
if(copy == NULL){
692
perror("strdup");
693
continue;
694
}
695
if(not add_environment(p, copy)){
696
perror("add_environment");
697
}
698
}
699
}
700
701
int pipefd[2];
491
for(char **a = g->argv + 1; *a != NULL; a++){
492
addargument(p, *a);
493
}
494
}
495
int pipefd[2];
702
496
ret = pipe(pipefd);
703
497
if (ret == -1){
704
498
perror("pipe");
705
499
exitstatus = EXIT_FAILURE;
706
goto fallback;
500
goto end;
707
501
}
708
502
ret = set_cloexec_flag(pipefd[0]);
709
503
if(ret < 0){
710
504
perror("set_cloexec_flag");
711
505
exitstatus = EXIT_FAILURE;
712
goto fallback;
506
goto end;
713
507
}
714
508
ret = set_cloexec_flag(pipefd[1]);
715
509
if(ret < 0){
716
510
perror("set_cloexec_flag");
717
511
exitstatus = EXIT_FAILURE;
718
goto fallback;
512
goto end;
719
513
}
720
514
/* Block SIGCHLD until process is safely in process list */
721
515
ret = sigprocmask (SIG_BLOCK, &sigchld_action.sa_mask, NULL);
722
516
if(ret < 0){
723
517
perror("sigprocmask");
724
518
exitstatus = EXIT_FAILURE;
725
goto fallback;
519
goto end;
726
520
}
727
521
// Starting a new process to be watched
728
522
pid_t pid = fork();
729
523
if(pid == -1){
730
524
perror("fork");
731
525
exitstatus = EXIT_FAILURE;
732
goto fallback;
526
goto end;
733
527
}
734
528
if(pid == 0){
735
529
/* this is the child process */
755
549
above and must now close it manually here. */
756
550
closedir(dir);
757
551
}
758
if(p->environ[0] == NULL){
759
if(execv(filename, p->argv) < 0){
760
perror("execv");
761
_exit(EXIT_FAILURE);
762
}
763
} else {
764
if(execve(filename, p->argv, p->environ) < 0){
765
perror("execve");
766
_exit(EXIT_FAILURE);
767
}
552
if(execv(filename, p->argv) < 0){
553
perror("execv");
554
_exit(EXIT_FAILURE);
768
555
}
769
556
/* no return */
770
557
}
779
566
perror("sigprocmask");
780
567
}
781
568
exitstatus = EXIT_FAILURE;
782
goto fallback;
569
goto end;
783
570
}
784
571
785
572
*new_process = (struct process){ .pid = pid,
793
580
if(ret < 0){
794
581
perror("sigprocmask");
795
582
exitstatus = EXIT_FAILURE;
796
goto fallback;
583
goto end;
797
584
}
798
585
799
586
FD_SET(new_process->fd, &rfds_all);
804
591
805
592
}
806
593
807
free_plugin_list(plugin_list);
808
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
}
809
600
810
601
closedir(dir);
811
602
dir = NULL;
821
612
if (select_ret == -1){
822
613
perror("select");
823
614
exitstatus = EXIT_FAILURE;
824
goto fallback;
615
goto end;
825
616
}
826
617
/* OK, now either a process completed, or something can be read
827
618
from one of them */
849
640
/* Remove the plugin */
850
641
FD_CLR(proc->fd, &rfds_all);
851
642
/* Block signal while modifying process_list */
852
ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
643
ret = sigprocmask (SIG_BLOCK, &sigchld_action.sa_mask, NULL);
853
644
if(ret < 0){
854
645
perror("sigprocmask");
855
646
exitstatus = EXIT_FAILURE;
856
goto fallback;
647
goto end;
857
648
}
858
649
/* Delete this process entry from the list */
859
650
if(process_list == proc){
883
674
}
884
675
/* This process exited nicely, so print its buffer */
885
676
886
bool bret = print_out_password(proc->buffer,
887
proc->buffer_length);
677
bool bret = print_out_password(proc->buffer, proc->buffer_length);
888
678
if(not bret){
889
679
perror("print_out_password");
890
680
exitstatus = EXIT_FAILURE;
891
681
}
892
goto fallback;
682
goto end;
893
683
}
894
684
/* This process has not completed. Does it have any output? */
895
685
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
903
693
if (proc->buffer == NULL){
904
694
perror("malloc");
905
695
exitstatus = EXIT_FAILURE;
906
goto fallback;
696
goto end;
907
697
}
908
698
proc->buffer_size += BUFFER_SIZE;
909
699
}
924
714
}
925
715
926
716
927
fallback:
717
end:
928
718
929
719
if(process_list == NULL or exitstatus != EXIT_SUCCESS){
930
/* Fallback if all plugins failed, none are found or an error
931
occured */
720
/* Fallback if all plugins failed, none are found or an error occured */
932
721
bool bret;
933
722
fprintf(stderr, "Going to fallback mode using getpass(3)\n");
934
723
char *passwordbuffer = getpass("Password: ");
936
725
if(not bret){
937
726
perror("print_out_password");
938
727
exitstatus = EXIT_FAILURE;
728
goto end;
939
729
}
940
730
}
941
731
942
732
/* Restore old signal handler */
943
ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
944
if(ret == -1){
945
perror("sigaction");
946
exitstatus = EXIT_FAILURE;
947
}
948
949
if(custom_argv != NULL){
950
for(char **arg = custom_argv; *arg != NULL; arg++){
951
free(*arg);
952
}
953
free(custom_argv);
954
}
955
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
}
956
743
957
744
if(dir != NULL){
958
745
closedir(dir);
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0