1
/* -*- coding: utf-8; mode: c; mode: orgtbl -*- */
1
/* -*- coding: utf-8 -*- */
3
3
* Mandos plugin runner - Run Mandos plugins
5
* Copyright © 2008,2009 Teddy Hogeborn
6
* Copyright © 2008,2009 Björn Påhlsson
5
* Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
8
7
* This program is free software: you can redistribute it and/or
9
8
* modify it under the terms of the GNU General Public License as
28
27
#include <stdlib.h> /* malloc(), exit(), EXIT_FAILURE,
29
28
EXIT_SUCCESS, realloc() */
30
29
#include <stdbool.h> /* bool, true, false */
31
#include <stdio.h> /* perror, fileno(), fprintf(),
32
stderr, STDOUT_FILENO */
30
#include <stdio.h> /* perror, popen(), fileno(),
31
fprintf(), stderr, STDOUT_FILENO */
33
32
#include <sys/types.h> /* DIR, opendir(), stat(), struct
34
33
stat, waitpid(), WIFEXITED(),
35
34
WEXITSTATUS(), wait(), pid_t,
38
37
#include <sys/select.h> /* fd_set, select(), FD_ZERO(),
39
38
FD_SET(), FD_ISSET(), FD_CLR */
40
39
#include <sys/wait.h> /* wait(), waitpid(), WIFEXITED(),
41
WEXITSTATUS(), WTERMSIG(),
43
41
#include <sys/stat.h> /* struct stat, stat(), S_ISREG() */
44
42
#include <iso646.h> /* and, or, not */
45
43
#include <dirent.h> /* DIR, struct dirent, opendir(),
48
46
fcntl(), setuid(), setgid(),
49
47
F_GETFD, F_SETFD, FD_CLOEXEC,
50
48
access(), pipe(), fork(), close()
51
dup2(), STDOUT_FILENO, _exit(),
49
dup2, STDOUT_FILENO, _exit(),
52
50
execv(), write(), read(),
54
52
#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
56
#include <string.h> /* strsep, strlen(), asprintf(),
54
#include <string.h> /* strsep, strlen(), asprintf() */
58
55
#include <errno.h> /* errno */
59
56
#include <argp.h> /* struct argp_option, struct
60
57
argp_state, struct argp,
64
61
#include <signal.h> /* struct sigaction, sigemptyset(),
65
62
sigaddset(), sigaction(),
66
63
sigprocmask(), SIG_BLOCK, SIGCHLD,
67
SIG_UNBLOCK, kill(), sig_atomic_t
64
SIG_UNBLOCK, kill() */
69
65
#include <errno.h> /* errno, EBADF */
70
#include <inttypes.h> /* intmax_t, PRIdMAX, strtoimax() */
72
67
#define BUFFER_SIZE 256
74
69
#define PDIR "/lib/mandos/plugins.d"
75
70
#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
77
const char *argp_program_version = "plugin-runner " VERSION;
72
const char *argp_program_version = "plugin-runner 1.0";
78
73
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
80
77
typedef struct plugin{
81
78
char *name; /* can be NULL or any plugin name */
92
89
size_t buffer_size;
93
90
size_t buffer_length;
95
volatile sig_atomic_t completed;
92
volatile bool completed;
97
94
struct plugin *next;
100
97
static plugin *plugin_list = NULL;
102
/* Gets an existing plugin based on name,
99
/* Gets a existing plugin based on name,
103
100
or if none is found, creates a new one */
104
101
static plugin *getplugin(char *name){
105
102
/* Check for exiting plugin with that name */
106
for(plugin *p = plugin_list; p != NULL; p = p->next){
108
or (p->name and name and (strcmp(p->name, name) == 0))){
103
for (plugin *p = plugin_list; p != NULL; p = p->next){
104
if ((p->name == name)
105
or (p->name and name and (strcmp(p->name, name) == 0))){
112
109
/* Create a new plugin */
113
plugin *new_plugin = NULL;
115
new_plugin = malloc(sizeof(plugin));
116
} while(new_plugin == NULL and errno == EINTR);
117
if(new_plugin == NULL){
110
plugin *new_plugin = malloc(sizeof(plugin));
111
if (new_plugin == NULL){
120
114
char *copy_name = NULL;
121
115
if(name != NULL){
123
copy_name = strdup(name);
124
} while(copy_name == NULL and errno == EINTR);
116
copy_name = strdup(name);
125
117
if(copy_name == NULL){
131
*new_plugin = (plugin){ .name = copy_name,
134
.next = plugin_list };
137
new_plugin->argv = malloc(sizeof(char *) * 2);
138
} while(new_plugin->argv == NULL and errno == EINTR);
139
if(new_plugin->argv == NULL){
122
*new_plugin = (plugin) { .name = copy_name,
125
.next = plugin_list };
127
new_plugin->argv = malloc(sizeof(char *) * 2);
128
if (new_plugin->argv == NULL){
141
130
free(new_plugin);
144
133
new_plugin->argv[0] = copy_name;
145
134
new_plugin->argv[1] = NULL;
148
new_plugin->environ = malloc(sizeof(char *));
149
} while(new_plugin->environ == NULL and errno == EINTR);
136
new_plugin->environ = malloc(sizeof(char *));
150
137
if(new_plugin->environ == NULL){
152
139
free(new_plugin->argv);
164
151
static bool add_to_char_array(const char *new, char ***array,
166
153
/* Resize the pointed-to array to hold one more pointer */
168
*array = realloc(*array, sizeof(char *)
169
* (size_t) ((*len) + 2));
170
} while(*array == NULL and errno == EINTR);
154
*array = realloc(*array, sizeof(char *)
155
* (size_t) ((*len) + 2));
171
156
/* Malloc check */
172
157
if(*array == NULL){
175
160
/* Make a copy of the new string */
179
} while(copy == NULL and errno == EINTR);
161
char *copy = strdup(new);
180
162
if(copy == NULL){
199
181
/* Add to a plugin's environment */
200
static bool add_environment(plugin *p, const char *def, bool replace){
182
static bool add_environment(plugin *p, const char *def){
204
/* namelen = length of name of environment variable */
205
size_t namelen = (size_t)(strchrnul(def, '=') - def);
206
/* Search for this environment variable */
207
for(char **e = p->environ; *e != NULL; e++){
208
if(strncmp(*e, def, namelen + 1) == 0){
209
/* It already exists */
213
new = realloc(*e, strlen(def) + 1);
214
} while(new == NULL and errno == EINTR);
224
186
return add_to_char_array(def, &(p->environ), &(p->envc));
228
190
* Based on the example in the GNU LibC manual chapter 13.13 "File
229
191
* Descriptor Flags".
230
| [[info:libc:Descriptor%20Flags][File Descriptor Flags]] |
192
* *Note File Descriptor Flags:(libc)Descriptor Flags.
232
static int set_cloexec_flag(int fd){
233
int ret = (int)TEMP_FAILURE_RETRY(fcntl(fd, F_GETFD, 0));
194
static int set_cloexec_flag(int fd)
196
int ret = fcntl(fd, F_GETFD, 0);
234
197
/* If reading the flags failed, return error indication now. */
238
201
/* Store modified flag word in the descriptor. */
239
return (int)TEMP_FAILURE_RETRY(fcntl(fd, F_SETFD,
202
return fcntl(fd, F_SETFD, ret | FD_CLOEXEC);
244
206
/* Mark processes as completed when they exit, and save their exit
246
static void handle_sigchld(__attribute__((unused)) int sig){
247
int old_errno = errno;
208
void handle_sigchld(__attribute__((unused)) int sig){
249
210
plugin *proc = plugin_list;
272
233
proc->status = status;
234
proc->completed = true;
278
238
/* Prints out a password to stdout */
279
static bool print_out_password(const char *buffer, size_t length){
239
bool print_out_password(const char *buffer, size_t length){
241
if(length>0 and buffer[length-1] == '\n'){
281
244
for(size_t written = 0; written < length; written += (size_t)ret){
282
245
ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
283
246
length - written));
365
327
{ .name = "global-options", .key = 'g',
366
328
.arg = "OPTION[,OPTION[,...]]",
367
329
.doc = "Options passed to all plugins" },
368
{ .name = "global-env", .key = 'G',
330
{ .name = "global-envs", .key = 'e',
369
331
.arg = "VAR=value",
370
332
.doc = "Environment variable passed to all plugins" },
371
333
{ .name = "options-for", .key = 'o',
372
334
.arg = "PLUGIN:OPTION[,OPTION[,...]]",
373
335
.doc = "Options passed only to specified plugin" },
374
{ .name = "env-for", .key = 'E',
336
{ .name = "envs-for", .key = 'f',
375
337
.arg = "PLUGIN:ENV=value",
376
338
.doc = "Environment variable passed to specified plugin" },
377
339
{ .name = "disable", .key = 'd',
379
341
.doc = "Disable a specific plugin", .group = 1 },
380
{ .name = "enable", .key = 'e',
382
.doc = "Enable a specific plugin", .group = 1 },
383
342
{ .name = "plugin-dir", .key = 128,
384
343
.arg = "DIRECTORY",
385
344
.doc = "Specify a different plugin directory", .group = 2 },
400
error_t parse_opt(int key, char *arg, __attribute__((unused))
401
struct argp_state *state){
359
error_t parse_opt (int key, char *arg, __attribute__((unused))
360
struct argp_state *state) {
361
/* Get the INPUT argument from `argp_parse', which we know is a
362
pointer to our plugin list pointer. */
405
364
case 'g': /* --global-options */
408
while((plugin_option = strsep(&arg, ",")) != NULL){
409
if(plugin_option[0] == '\0'){
367
while((p = strsep(&arg, ",")) != NULL){
412
if(not add_argument(getplugin(NULL), plugin_option)){
371
if(not add_argument(getplugin(NULL), p)){
413
372
perror("add_argument");
414
373
return ARGP_ERR_UNKNOWN;
419
case 'G': /* --global-env */
378
case 'e': /* --global-envs */
423
if(not add_environment(getplugin(NULL), arg, true)){
424
perror("add_environment");
383
char *envdef = strdup(arg);
387
if(not add_environment(getplugin(NULL), envdef)){
388
perror("add_environment");
427
392
case 'o': /* --options-for */
429
char *plugin_name = strsep(&arg, ":");
430
if(plugin_name[0] == '\0'){
434
while((plugin_option = strsep(&arg, ",")) != NULL){
435
if(not add_argument(getplugin(plugin_name), plugin_option)){
436
perror("add_argument");
437
return ARGP_ERR_UNKNOWN;
394
char *p_name = strsep(&arg, ":");
395
if(p_name[0] == '\0'){
398
char *opt = strsep(&arg, ":");
404
while((p = strsep(&opt, ",")) != NULL){
408
if(not add_argument(getplugin(p_name), p)){
409
perror("add_argument");
410
return ARGP_ERR_UNKNOWN;
442
case 'E': /* --env-for */
416
case 'f': /* --envs-for */
463
441
p->disabled = true;
466
case 'e': /* --enable */
468
plugin *p = getplugin(arg);
470
return ARGP_ERR_UNKNOWN;
475
444
case 128: /* --plugin-dir */
477
445
plugindir = strdup(arg);
478
446
if(plugindir == NULL){
479
447
perror("strdup");
482
case 129: /* --config-file */
483
/* This is already done by parse_opt_config_file() */
485
case 130: /* --userid */
487
tmpmax = strtoimax(arg, &tmp, 10);
488
if(errno != 0 or tmp == arg or *tmp != '\0'
489
or tmpmax != (uid_t)tmpmax){
490
fprintf(stderr, "Bad user ID number: \"%s\", using %"
491
PRIdMAX "\n", arg, (intmax_t)uid);
496
case 131: /* --groupid */
498
tmpmax = strtoimax(arg, &tmp, 10);
499
if(errno != 0 or tmp == arg or *tmp != '\0'
500
or tmpmax != (gid_t)tmpmax){
501
fprintf(stderr, "Bad group ID number: \"%s\", using %"
502
PRIdMAX "\n", arg, (intmax_t)gid);
507
case 132: /* --debug */
511
* When adding more options before this line, remember to also add a
512
* "case" to the "parse_opt_config_file" function below.
515
/* Cryptsetup always passes an argument, which is an empty
516
string if "none" was specified in /etc/crypttab. So if
517
argument was empty, we ignore it silently. */
519
fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
525
return ARGP_ERR_UNKNOWN;
530
/* This option parser is the same as parse_opt() above, except it
531
ignores everything but the --config-file option. */
532
error_t parse_opt_config_file(int key, char *arg,
533
__attribute__((unused))
534
struct argp_state *state){
536
case 'g': /* --global-options */
537
case 'G': /* --global-env */
538
case 'o': /* --options-for */
539
case 'E': /* --env-for */
540
case 'd': /* --disable */
541
case 'e': /* --enable */
542
case 128: /* --plugin-dir */
544
case 129: /* --config-file */
450
case 129: /* --config-file */
546
451
argfile = strdup(arg);
547
452
if(argfile == NULL){
548
453
perror("strdup");
551
456
case 130: /* --userid */
457
uid = (uid_t)strtol(arg, NULL, 10);
552
459
case 131: /* --groupid */
460
gid = (gid_t)strtol(arg, NULL, 10);
553
462
case 132: /* --debug */
554
465
case ARGP_KEY_ARG:
466
fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
555
468
case ARGP_KEY_END:
563
struct argp argp = { .options = options,
564
.parser = parse_opt_config_file,
476
struct argp argp = { .options = options, .parser = parse_opt,
477
.args_doc = "[+PLUS_SEPARATED_OPTIONS]",
566
478
.doc = "Mandos plugin runner -- Run plugins" };
568
/* Parse using parse_opt_config_file() in order to get the custom
569
config file location, if any. */
570
ret = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
571
if(ret == ARGP_ERR_UNKNOWN){
480
ret = argp_parse (&argp, argc, argv, 0, 0, NULL);
481
if (ret == ARGP_ERR_UNKNOWN){
572
482
fprintf(stderr, "Unknown error while parsing arguments\n");
573
483
exitstatus = EXIT_FAILURE;
577
/* Reset to the normal argument parser */
578
argp.parser = parse_opt;
580
/* Open the configfile if available */
487
/* Opens the configfile if aviable */
488
if (argfile == NULL){
582
489
conffp = fopen(AFILE, "r");
584
491
conffp = fopen(argfile, "r");
586
493
if(conffp != NULL){
587
494
char *org_line = NULL;
588
495
char *p, *arg, *new_arg, *line;
590
498
const char whitespace_delims[] = " \r\t\f\v\n";
591
499
const char comment_delim[] = "#";
594
502
custom_argv = malloc(sizeof(char*) * 2);
595
503
if(custom_argv == NULL){
634
542
custom_argv[custom_argc-1] = new_arg;
635
custom_argv[custom_argc] = NULL;
543
custom_argv[custom_argc] = NULL;
639
ret = fclose(conffp);
640
} while(ret == EOF and errno == EINTR);
643
exitstatus = EXIT_FAILURE;
648
548
/* Check for harmful errors and go to fallback. Other errors might
649
549
not affect opening plugins */
650
if(errno == EMFILE or errno == ENFILE or errno == ENOMEM){
550
if (errno == EMFILE or errno == ENFILE or errno == ENOMEM){
652
552
exitstatus = EXIT_FAILURE;
656
556
/* If there was any arguments from configuration file,
657
557
pass them to parser as command arguments */
658
558
if(custom_argv != NULL){
659
ret = argp_parse(&argp, custom_argc, custom_argv, ARGP_IN_ORDER,
661
if(ret == ARGP_ERR_UNKNOWN){
559
ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0, NULL);
560
if (ret == ARGP_ERR_UNKNOWN){
662
561
fprintf(stderr, "Unknown error while parsing arguments\n");
663
562
exitstatus = EXIT_FAILURE;
668
/* Parse actual command line arguments, to let them override the
670
ret = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
671
if(ret == ARGP_ERR_UNKNOWN){
672
fprintf(stderr, "Unknown error while parsing arguments\n");
673
exitstatus = EXIT_FAILURE;
678
568
for(plugin *p = plugin_list; p != NULL; p=p->next){
679
569
fprintf(stderr, "Plugin: %s has %d arguments\n",
681
571
for(char **a = p->argv; *a != NULL; a++){
682
572
fprintf(stderr, "\tArg: %s\n", *a);
684
fprintf(stderr, "...and %d environment variables\n", p->envc);
574
fprintf(stderr, "...and %u environment variables\n", p->envc);
685
575
for(char **a = p->environ; *a != NULL; a++){
686
576
fprintf(stderr, "\t%s\n", *a);
691
581
/* Strip permissions down to nobody */
694
588
perror("setgid");
701
if(plugindir == NULL){
591
if (plugindir == NULL){
702
592
dir = opendir(PDIR);
704
594
dir = opendir(plugindir);
791
if(plugindir == NULL){
792
ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, PDIR "/%s",
795
ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, "%s/%s",
678
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
800
680
perror("asprintf");
804
ret = (int)TEMP_FAILURE_RETRY(stat(filename, &st));
684
ret = stat(filename, &st);
811
691
/* Ignore non-executable files */
812
if(not S_ISREG(st.st_mode)
813
or (TEMP_FAILURE_RETRY(access(filename, X_OK)) != 0)){
692
if (not S_ISREG(st.st_mode) or (access(filename, X_OK) != 0)){
815
694
fprintf(stderr, "Ignoring plugin dir entry \"%s\""
816
695
" with bad type or mode\n", filename);
856
735
if(p->environ[0] != NULL){
857
736
for(char **e = environ; *e != NULL; e++){
858
if(not add_environment(p, *e, false)){
737
char *copy = strdup(*e);
742
if(not add_environment(p, copy)){
859
743
perror("add_environment");
865
ret = (int)TEMP_FAILURE_RETRY(pipe(pipefd));
868
752
exitstatus = EXIT_FAILURE;
884
768
/* Block SIGCHLD until process is safely in process list */
885
ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
886
&sigchld_action.sa_mask,
769
ret = sigprocmask (SIG_BLOCK, &sigchld_action.sa_mask, NULL);
889
771
perror("sigprocmask");
890
772
exitstatus = EXIT_FAILURE;
893
/* Starting a new process to be watched */
897
} while(pid == -1 and errno == EINTR);
775
// Starting a new process to be watched
900
779
exitstatus = EXIT_FAILURE;
940
819
/* Parent process */
941
TEMP_FAILURE_RETRY(close(pipefd[1])); /* Close unused write end of
820
close(pipefd[1]); /* Close unused write end of pipe */
944
822
plugin *new_plugin = getplugin(dirst->d_name);
945
if(new_plugin == NULL){
823
if (new_plugin == NULL){
946
824
perror("getplugin");
947
ret = (int)(TEMP_FAILURE_RETRY
948
(sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
825
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
951
827
perror("sigprocmask");
989
863
free_plugin_list();
993
867
/* Main loop while running plugins exist */
994
868
while(plugin_list){
995
869
fd_set rfds = rfds_all;
996
870
int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
997
if(select_ret == -1 and errno != EINTR){
871
if (select_ret == -1){
998
872
perror("select");
999
873
exitstatus = EXIT_FAILURE;
1002
876
/* OK, now either a process completed, or something can be read
1003
877
from one of them */
1004
for(plugin *proc = plugin_list; proc != NULL;){
878
for(plugin *proc = plugin_list; proc != NULL; proc = proc->next){
1005
879
/* Is this process completely done? */
1006
if(proc->completed and proc->eof){
880
if(proc->eof and proc->completed){
1007
881
/* Only accept the plugin output if it exited cleanly */
1008
882
if(not WIFEXITED(proc->status)
1009
883
or WEXITSTATUS(proc->status) != 0){
1010
884
/* Bad exit by plugin */
1013
887
if(WIFEXITED(proc->status)){
1014
fprintf(stderr, "Plugin %s [%" PRIdMAX "] exited with"
1015
" status %d\n", proc->name,
1016
(intmax_t) (proc->pid),
888
fprintf(stderr, "Plugin %u exited with status %d\n",
889
(unsigned int) (proc->pid),
1017
890
WEXITSTATUS(proc->status));
1018
} else if(WIFSIGNALED(proc->status)){
1019
fprintf(stderr, "Plugin %s [%" PRIdMAX "] killed by"
1020
" signal %d: %s\n", proc->name,
1021
(intmax_t) (proc->pid),
1022
WTERMSIG(proc->status),
1023
strsignal(WTERMSIG(proc->status)));
891
} else if(WIFSIGNALED(proc->status)) {
892
fprintf(stderr, "Plugin %u killed by signal %d\n",
893
(unsigned int) (proc->pid),
894
WTERMSIG(proc->status));
1024
895
} else if(WCOREDUMP(proc->status)){
1025
fprintf(stderr, "Plugin %s [%" PRIdMAX "] dumped"
1026
" core\n", proc->name, (intmax_t) (proc->pid));
896
fprintf(stderr, "Plugin %d dumped core\n",
897
(unsigned int) (proc->pid));
1030
901
/* Remove the plugin */
1031
902
FD_CLR(proc->fd, &rfds_all);
1033
904
/* Block signal while modifying process_list */
1034
ret = (int)TEMP_FAILURE_RETRY(sigprocmask
1036
&sigchld_action.sa_mask,
905
ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
1039
907
perror("sigprocmask");
1040
908
exitstatus = EXIT_FAILURE;
1044
plugin *next_plugin = proc->next;
1045
911
free_plugin(proc);
1048
912
/* We are done modifying process list, so unblock signal */
1049
ret = (int)(TEMP_FAILURE_RETRY
1050
(sigprocmask(SIG_UNBLOCK,
1051
&sigchld_action.sa_mask, NULL)));
913
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,
1053
916
perror("sigprocmask");
1054
917
exitstatus = EXIT_FAILURE;
1076
938
/* This process has not completed. Does it have any output? */
1077
939
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
1078
940
/* This process had nothing to say at this time */
1082
943
/* Before reading, make the process' data buffer large enough */
1083
944
if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
1084
945
proc->buffer = realloc(proc->buffer, proc->buffer_size
1085
946
+ (size_t) BUFFER_SIZE);
1086
if(proc->buffer == NULL){
947
if (proc->buffer == NULL){
1087
948
perror("malloc");
1088
949
exitstatus = EXIT_FAILURE;
1091
952
proc->buffer_size += BUFFER_SIZE;
1093
954
/* Read from the process */
1094
sret = TEMP_FAILURE_RETRY(read(proc->fd,
1096
+ proc->buffer_length,
955
ret = read(proc->fd, proc->buffer + proc->buffer_length,
1099
958
/* Read error from this process; ignore the error */
1105
963
proc->eof = true;
1107
proc->buffer_length += (size_t) sret;
965
proc->buffer_length += (size_t) ret;
1115
973
if(plugin_list == NULL or exitstatus != EXIT_SUCCESS){
1119
977
fprintf(stderr, "Going to fallback mode using getpass(3)\n");
1120
978
char *passwordbuffer = getpass("Password: ");
1121
size_t len = strlen(passwordbuffer);
1122
/* Strip trailing newline */
1123
if(len > 0 and passwordbuffer[len-1] == '\n'){
1124
passwordbuffer[len-1] = '\0'; /* not strictly necessary */
1127
bret = print_out_password(passwordbuffer, len);
979
bret = print_out_password(passwordbuffer, strlen(passwordbuffer));
1129
981
perror("print_out_password");
1130
982
exitstatus = EXIT_FAILURE;