/mandos/release

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/release
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
1
/*  -*- coding: utf-8; mode: c; mode: orgtbl -*- */
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
2
/*
237.2.24 by Teddy Hogeborn
* plugins.d/askpass-fifo.c: Fix name in header.
3
 * Password-prompt - Read a password from the terminal and print it
237.1.2 by Teddy Hogeborn
Further steps towards a D-Bus server interface, plus minor syntax
4
 * 
237.2.9 by Teddy Hogeborn
* README: Update copyright year; add "2009".
5
 * Copyright © 2008,2009 Teddy Hogeborn
6
 * Copyright © 2008,2009 Björn Påhlsson
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
7
 * 
8
 * This program is free software: you can redistribute it and/or
9
 * modify it under the terms of the GNU General Public License as
10
 * published by the Free Software Foundation, either version 3 of the
11
 * License, or (at your option) any later version.
12
 * 
13
 * This program is distributed in the hope that it will be useful, but
14
 * WITHOUT ANY WARRANTY; without even the implied warranty of
15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16
 * General Public License for more details.
17
 * 
18
 * You should have received a copy of the GNU General Public License
19
 * along with this program.  If not, see
20
 * <http://www.gnu.org/licenses/>.
21
 * 
237.2.126 by Teddy Hogeborn
* plugin-runner.c: Minor stylistic changes.
22
 * Contact the authors at <mandos@fukt.bsnet.se>.
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
23
 */
24
13 by Björn Påhlsson
Added following support:
25
#define _GNU_SOURCE		/* getline() */
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
26
13 by Björn Påhlsson
Added following support:
27
#include <termios.h> 		/* struct termios, tcsetattr(),
28
				   TCSAFLUSH, tcgetattr(), ECHO */
29
#include <unistd.h>		/* struct termios, tcsetattr(),
30
				   STDIN_FILENO, TCSAFLUSH,
31
				   tcgetattr(), ECHO */
32
#include <signal.h>		/* sig_atomic_t, raise(), struct
33
				   sigaction, sigemptyset(),
34
				   sigaction(), sigaddset(), SIGINT,
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
35
				   SIGQUIT, SIGHUP, SIGTERM,
36
				   raise() */
24.1.26 by Björn Påhlsson
tally count of used symbols
37
#include <stddef.h>		/* NULL, size_t, ssize_t */
13 by Björn Påhlsson
Added following support:
38
#include <sys/types.h>		/* ssize_t */
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
39
#include <stdlib.h>		/* EXIT_SUCCESS, EXIT_FAILURE,
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
40
				   getopt_long, getenv() */
13 by Björn Påhlsson
Added following support:
41
#include <stdio.h>		/* fprintf(), stderr, getline(),
42
				   stdin, feof(), perror(), fputc(),
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
43
				   getopt_long */
44
#include <errno.h>		/* errno, EBADF, ENOTTY, EINVAL,
45
				   EFAULT, EFBIG, EIO, ENOSPC, EINTR
46
				*/
13 by Björn Påhlsson
Added following support:
47
#include <iso646.h>		/* or, not */
48
#include <stdbool.h>		/* bool, false, true */
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
49
#include <string.h> 		/* strlen, rindex, strncmp, strcmp */
24.1.26 by Björn Påhlsson
tally count of used symbols
50
#include <argp.h>		/* struct argp_option, struct
51
				   argp_state, struct argp,
52
				   argp_parse(), error_t,
53
				   ARGP_KEY_ARG, ARGP_KEY_END,
54
				   ARGP_ERR_UNKNOWN */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
55
#include <sysexits.h>		/* EX_SOFTWARE, EX_OSERR,
56
				   EX_UNAVAILABLE, EX_IOERR, EX_OK */
13 by Björn Påhlsson
Added following support:
57
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
58
volatile sig_atomic_t quit_now = 0;
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
59
int signal_received;
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
60
bool debug = false;
217 by Teddy Hogeborn
* .bzrignore: Added "man" directory (created by "make install-html").
61
const char *argp_program_version = "password-prompt " VERSION;
24.1.17 by Björn Påhlsson
passprompt
62
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
13 by Björn Påhlsson
Added following support:
63
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
64
static void termination_handler(int signum){
65
  if(quit_now){
66
    return;
67
  }
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
68
  quit_now = 1;
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
69
  signal_received = signum;
13 by Björn Påhlsson
Added following support:
70
}
71
72
int main(int argc, char **argv){
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
73
  ssize_t ret;
13 by Björn Påhlsson
Added following support:
74
  size_t n;
75
  struct termios t_new, t_old;
76
  char *buffer = NULL;
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
77
  char *prefix = NULL;
13 by Björn Påhlsson
Added following support:
78
  int status = EXIT_SUCCESS;
79
  struct sigaction old_action,
80
    new_action = { .sa_handler = termination_handler,
81
		   .sa_flags = 0 };
24.1.17 by Björn Påhlsson
passprompt
82
  {
83
    struct argp_option options[] = {
84
      { .name = "prefix", .key = 'p',
85
	.arg = "PREFIX", .flags = 0,
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
86
	.doc = "Prefix shown before the prompt", .group = 2 },
24.1.17 by Björn Påhlsson
passprompt
87
      { .name = "debug", .key = 128,
88
	.doc = "Debug mode", .group = 3 },
89
      { .name = NULL }
90
    };
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
91
    
237.2.56 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
92
    error_t parse_opt (int key, char *arg, struct argp_state *state){
93
      switch (key){
24.1.17 by Björn Påhlsson
passprompt
94
      case 'p':
95
	prefix = arg;
96
	break;
97
      case 128:
98
	debug = true;
99
	break;
100
      case ARGP_KEY_ARG:
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
101
	argp_usage(state);
24.1.17 by Björn Påhlsson
passprompt
102
	break;
103
      case ARGP_KEY_END:
104
	break;
105
      default:
106
	return ARGP_ERR_UNKNOWN;
107
      }
108
      return 0;
109
    }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
110
    
24.1.17 by Björn Påhlsson
passprompt
111
    struct argp argp = { .options = options, .parser = parse_opt,
112
			 .args_doc = "",
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
113
			 .doc = "Mandos password-prompt -- Read and"
114
			 " output a password" };
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
115
    ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
116
    if(ret == ARGP_ERR_UNKNOWN){
24.1.44 by Björn Påhlsson
Fixed unkown -> unknown
117
      fprintf(stderr, "Unknown error while parsing arguments\n");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
118
      return EX_SOFTWARE;
24.1.26 by Björn Påhlsson
tally count of used symbols
119
    }
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
120
  }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
121
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
122
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
123
    fprintf(stderr, "Starting %s\n", argv[0]);
124
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
125
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
126
    fprintf(stderr, "Storing current terminal attributes\n");
127
  }
13 by Björn Påhlsson
Added following support:
128
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
129
  if(tcgetattr(STDIN_FILENO, &t_old) != 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
130
    int e = errno;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
131
    perror("tcgetattr");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
132
    switch(e){
133
    case EBADF:
134
    case ENOTTY:
135
      return EX_UNAVAILABLE;
136
    default:
137
      return EX_OSERR;
138
    }
13 by Björn Påhlsson
Added following support:
139
  }
140
  
141
  sigemptyset(&new_action.sa_mask);
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
142
  ret = sigaddset(&new_action.sa_mask, SIGINT);
143
  if(ret == -1){
144
    perror("sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
145
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
146
  }
147
  ret = sigaddset(&new_action.sa_mask, SIGHUP);
148
  if(ret == -1){
149
    perror("sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
150
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
151
  }
152
  ret = sigaddset(&new_action.sa_mask, SIGTERM);
153
  if(ret == -1){
154
    perror("sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
155
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
156
  }
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
157
  /* Need to check if the handler is SIG_IGN before handling:
158
     | [[info:libc:Initial Signal Actions]] |
159
     | [[info:libc:Basic Signal Handling]]  |
160
  */
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
161
  ret = sigaction(SIGINT, NULL, &old_action);
162
  if(ret == -1){
163
    perror("sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
164
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
165
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
166
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
167
    ret = sigaction(SIGINT, &new_action, NULL);
168
    if(ret == -1){
169
      perror("sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
170
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
171
    }
172
  }
173
  ret = sigaction(SIGHUP, NULL, &old_action);
174
  if(ret == -1){
175
    perror("sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
176
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
177
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
178
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
179
    ret = sigaction(SIGHUP, &new_action, NULL);
180
    if(ret == -1){
181
      perror("sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
182
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
183
    }
184
  }
185
  ret = sigaction(SIGTERM, NULL, &old_action);
186
  if(ret == -1){
187
    perror("sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
188
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
189
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
190
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
191
    ret = sigaction(SIGTERM, &new_action, NULL);
192
    if(ret == -1){
193
      perror("sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
194
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
195
    }
196
  }
197
  
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
198
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
199
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
200
    fprintf(stderr, "Removing echo flag from terminal attributes\n");
201
  }
13 by Björn Påhlsson
Added following support:
202
  
203
  t_new = t_old;
237.2.140 by Teddy Hogeborn
* plugins.d/password-prompt.c (main): Fix "-Wconversion" warning.
204
  t_new.c_lflag &= ~(tcflag_t)ECHO;
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
205
  if(tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_new) != 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
206
    int e = errno;
13 by Björn Påhlsson
Added following support:
207
    perror("tcsetattr-echo");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
208
    switch(e){
209
    case EBADF:
210
    case ENOTTY:
211
      return EX_UNAVAILABLE;
212
    case EINVAL:
213
    default:
214
      return EX_OSERR;
215
    }
13 by Björn Påhlsson
Added following support:
216
  }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
217
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
218
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
219
    fprintf(stderr, "Waiting for input from stdin \n");
220
  }
13 by Björn Påhlsson
Added following support:
221
  while(true){
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
222
    if(quit_now){
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
223
      if(debug){
224
	fprintf(stderr, "Interrupted by signal, exiting.\n");
225
      }
13 by Björn Påhlsson
Added following support:
226
      status = EXIT_FAILURE;
227
      break;
228
    }
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
229
230
    if(prefix){
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
231
      fprintf(stderr, "%s ", prefix);
232
    }
233
    {
234
      const char *cryptsource = getenv("cryptsource");
235
      const char *crypttarget = getenv("crypttarget");
236
      const char *const prompt
237.2.118 by Teddy Hogeborn
* mandos: White-space fixes only.
237
	= "Enter passphrase to unlock the disk";
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
238
      if(cryptsource == NULL){
239
	if(crypttarget == NULL){
240
	  fprintf(stderr, "%s: ", prompt);
241
	} else {
242
	  fprintf(stderr, "%s (%s): ", prompt, crypttarget);
243
	}
244
      } else {
245
	if(crypttarget == NULL){
246
	  fprintf(stderr, "%s %s: ", prompt, cryptsource);
247
	} else {
248
	  fprintf(stderr, "%s %s (%s): ", prompt, cryptsource,
249
		  crypttarget);
250
	}
251
      }
252
    }
13 by Björn Påhlsson
Added following support:
253
    ret = getline(&buffer, &n, stdin);
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
254
    if(ret > 0){
13 by Björn Påhlsson
Added following support:
255
      status = EXIT_SUCCESS;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
256
      /* Make n = data size instead of allocated buffer size */
257
      n = (size_t)ret;
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
258
      /* Strip final newline */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
259
      if(n > 0 and buffer[n-1] == '\n'){
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
260
	buffer[n-1] = '\0';	/* not strictly necessary */
261
	n--;
262
      }
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
263
      size_t written = 0;
264
      while(written < n){
265
	ret = write(STDOUT_FILENO, buffer + written, n - written);
266
	if(ret < 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
267
	  int e = errno;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
268
	  perror("write");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
269
	  switch(e){
270
	  case EBADF:
271
	  case EFAULT:
272
	  case EINVAL:
273
	  case EFBIG:
274
	  case EIO:
275
	  case ENOSPC:
276
	  default:
277
	    status = EX_IOERR;
278
	    break;
279
	  case EINTR:
280
	    status = EXIT_FAILURE;
281
	    break;
282
	  }
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
283
	  break;
284
	}
285
	written += (size_t)ret;
286
      }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
287
      ret = close(STDOUT_FILENO);
288
      if(ret == -1){
289
	int e = errno;
290
	perror("close");
291
	switch(e){
292
	case EBADF:
293
	  status = EX_OSFILE;
294
	  break;
295
	case EIO:
296
	default:
297
	  status = EX_IOERR;
298
	  break;
299
	}
300
      }
13 by Björn Påhlsson
Added following support:
301
      break;
302
    }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
303
    if(ret < 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
304
      int e = errno;
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
305
      if(errno != EINTR and not feof(stdin)){
13 by Björn Påhlsson
Added following support:
306
	perror("getline");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
307
	switch(e){
308
	case EBADF:
309
	  status = EX_UNAVAILABLE;
310
	case EIO:
311
	case EINVAL:
312
	default:
313
	  status = EX_IOERR;
314
	  break;
315
	}
13 by Björn Påhlsson
Added following support:
316
	break;
317
      }
318
    }
41 by Teddy Hogeborn
Merge.
319
    /* if(ret == 0), then the only sensible thing to do is to retry to
320
       read from stdin */
13 by Björn Påhlsson
Added following support:
321
    fputc('\n', stderr);
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
322
    if(debug and not quit_now){
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
323
      /* If quit_now is nonzero, we were interrupted by a signal, and
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
324
	 will print that later, so no need to show this too. */
325
      fprintf(stderr, "getline() returned 0, retrying.\n");
326
    }
13 by Björn Påhlsson
Added following support:
327
  }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
328
  
24.1.92 by Björn Påhlsson
Several memory leaks detected by valgrind fixed
329
  free(buffer);
41 by Teddy Hogeborn
Merge.
330
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
331
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
332
    fprintf(stderr, "Restoring terminal attributes\n");
333
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
334
  if(tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_old) != 0){
13 by Björn Påhlsson
Added following support:
335
    perror("tcsetattr+echo");
336
  }
41 by Teddy Hogeborn
Merge.
337
  
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
338
  if(quit_now){
339
    sigemptyset(&old_action.sa_mask);
340
    old_action.sa_handler = SIG_DFL;
341
    ret = sigaction(signal_received, &old_action, NULL);
342
    if(ret == -1){
343
      perror("sigaction");
344
    }
345
    raise(signal_received);
346
  }
347
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
348
  if(debug){
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
349
    fprintf(stderr, "%s is exiting with status %d\n", argv[0],
350
	    status);
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
351
  }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
352
  if(status == EXIT_SUCCESS or status == EX_OK){
167 by Teddy Hogeborn
* plugins.d/password-prompt.c (main): If successful, output an extra
353
    fputc('\n', stderr);
354
  }
13 by Björn Påhlsson
Added following support:
355
  
356
  return status;
357
}