/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,
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
40
				   getenv() */
13 by Björn Påhlsson
Added following support:
41
#include <stdio.h>		/* fprintf(), stderr, getline(),
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
42
				   stdin, feof(), fputc()
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
43
				*/
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
44
#include <errno.h>		/* errno, EBADF, ENOTTY, EINVAL,
45
				   EFAULT, EFBIG, EIO, ENOSPC, EINTR
46
				*/
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
47
#include <error.h>		/* error() */
13 by Björn Påhlsson
Added following support:
48
#include <iso646.h>		/* or, not */
49
#include <stdbool.h>		/* bool, false, true */
24.1.141 by Björn Påhlsson
fixed incorrect include comments
50
#include <string.h> 		/* strlen, rindex */
24.1.26 by Björn Påhlsson
tally count of used symbols
51
#include <argp.h>		/* struct argp_option, struct
52
				   argp_state, struct argp,
53
				   argp_parse(), error_t,
54
				   ARGP_KEY_ARG, ARGP_KEY_END,
55
				   ARGP_ERR_UNKNOWN */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
56
#include <sysexits.h>		/* EX_SOFTWARE, EX_OSERR,
57
				   EX_UNAVAILABLE, EX_IOERR, EX_OK */
13 by Björn Påhlsson
Added following support:
58
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
59
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
60
int signal_received;
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
61
bool debug = false;
217 by Teddy Hogeborn
* .bzrignore: Added "man" directory (created by "make install-html").
62
const char *argp_program_version = "password-prompt " VERSION;
24.1.17 by Björn Påhlsson
passprompt
63
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
13 by Björn Påhlsson
Added following support:
64
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
65
static void termination_handler(int signum){
66
  if(quit_now){
67
    return;
68
  }
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
69
  quit_now = 1;
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
70
  signal_received = signum;
13 by Björn Påhlsson
Added following support:
71
}
72
73
int main(int argc, char **argv){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
74
  ssize_t sret;
75
  int ret;
13 by Björn Påhlsson
Added following support:
76
  size_t n;
77
  struct termios t_new, t_old;
78
  char *buffer = NULL;
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
79
  char *prefix = NULL;
13 by Björn Påhlsson
Added following support:
80
  int status = EXIT_SUCCESS;
81
  struct sigaction old_action,
82
    new_action = { .sa_handler = termination_handler,
83
		   .sa_flags = 0 };
24.1.17 by Björn Påhlsson
passprompt
84
  {
85
    struct argp_option options[] = {
86
      { .name = "prefix", .key = 'p',
87
	.arg = "PREFIX", .flags = 0,
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
88
	.doc = "Prefix shown before the prompt", .group = 2 },
24.1.17 by Björn Påhlsson
passprompt
89
      { .name = "debug", .key = 128,
90
	.doc = "Debug mode", .group = 3 },
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
91
      /*
92
       * These reproduce what we would get without ARGP_NO_HELP
93
       */
94
      { .name = "help", .key = '?',
95
	.doc = "Give this help list", .group = -1 },
96
      { .name = "usage", .key = -3,
97
	.doc = "Give a short usage message", .group = -1 },
98
      { .name = "version", .key = 'V',
99
	.doc = "Print program version", .group = -1 },
24.1.17 by Björn Påhlsson
passprompt
100
      { .name = NULL }
101
    };
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
102
    
237.2.56 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
103
    error_t parse_opt (int key, char *arg, struct argp_state *state){
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
104
      errno = 0;
237.2.56 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
105
      switch (key){
24.1.17 by Björn Påhlsson
passprompt
106
      case 'p':
107
	prefix = arg;
108
	break;
109
      case 128:
110
	debug = true;
111
	break;
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
112
	/*
113
	 * These reproduce what we would get without ARGP_NO_HELP
114
	 */
115
      case '?':			/* --help */
116
	argp_state_help(state, state->out_stream,
117
			(ARGP_HELP_STD_HELP | ARGP_HELP_EXIT_ERR)
118
			& ~(unsigned int)ARGP_HELP_EXIT_OK);
119
      case -3:			/* --usage */
120
	argp_state_help(state, state->out_stream,
121
			ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
122
      case 'V':			/* --version */
123
	fprintf(state->out_stream, "%s\n", argp_program_version);
124
	exit(argp_err_exit_status);
24.1.17 by Björn Påhlsson
passprompt
125
	break;
126
      default:
127
	return ARGP_ERR_UNKNOWN;
128
      }
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
129
      return errno;
24.1.17 by Björn Påhlsson
passprompt
130
    }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
131
    
24.1.17 by Björn Påhlsson
passprompt
132
    struct argp argp = { .options = options, .parser = parse_opt,
133
			 .args_doc = "",
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
134
			 .doc = "Mandos password-prompt -- Read and"
135
			 " output a password" };
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
136
    ret = argp_parse(&argp, argc, argv,
137
		     ARGP_IN_ORDER | ARGP_NO_HELP, NULL, NULL);
138
    switch(ret){
139
    case 0:
140
      break;
141
    case ENOMEM:
142
    default:
143
      errno = ret;
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
144
      error(0, errno, "argp_parse");
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
145
      return EX_OSERR;
146
    case EINVAL:
147
      return EX_USAGE;
24.1.26 by Björn Påhlsson
tally count of used symbols
148
    }
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
149
  }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
150
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
151
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
152
    fprintf(stderr, "Starting %s\n", argv[0]);
153
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
154
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
155
    fprintf(stderr, "Storing current terminal attributes\n");
156
  }
13 by Björn Påhlsson
Added following support:
157
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
158
  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
159
    int e = errno;
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
160
    error(0, errno, "tcgetattr");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
161
    switch(e){
162
    case EBADF:
163
    case ENOTTY:
164
      return EX_UNAVAILABLE;
165
    default:
166
      return EX_OSERR;
167
    }
13 by Björn Påhlsson
Added following support:
168
  }
169
  
170
  sigemptyset(&new_action.sa_mask);
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
171
  ret = sigaddset(&new_action.sa_mask, SIGINT);
172
  if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
173
    error(0, errno, "sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
174
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
175
  }
176
  ret = sigaddset(&new_action.sa_mask, SIGHUP);
177
  if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
178
    error(0, errno, "sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
179
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
180
  }
181
  ret = sigaddset(&new_action.sa_mask, SIGTERM);
182
  if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
183
    error(0, errno, "sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
184
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
185
  }
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
186
  /* Need to check if the handler is SIG_IGN before handling:
187
     | [[info:libc:Initial Signal Actions]] |
188
     | [[info:libc:Basic Signal Handling]]  |
189
  */
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
190
  ret = sigaction(SIGINT, NULL, &old_action);
191
  if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
192
    error(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
193
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
194
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
195
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
196
    ret = sigaction(SIGINT, &new_action, NULL);
197
    if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
198
      error(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
199
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
200
    }
201
  }
202
  ret = sigaction(SIGHUP, NULL, &old_action);
203
  if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
204
    error(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
205
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
206
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
207
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
208
    ret = sigaction(SIGHUP, &new_action, NULL);
209
    if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
210
      error(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
211
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
212
    }
213
  }
214
  ret = sigaction(SIGTERM, NULL, &old_action);
215
  if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
216
    error(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
217
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
218
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
219
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
220
    ret = sigaction(SIGTERM, &new_action, NULL);
221
    if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
222
      error(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
223
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
224
    }
225
  }
226
  
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
227
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
228
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
229
    fprintf(stderr, "Removing echo flag from terminal attributes\n");
230
  }
13 by Björn Påhlsson
Added following support:
231
  
232
  t_new = t_old;
237.2.140 by Teddy Hogeborn
* plugins.d/password-prompt.c (main): Fix "-Wconversion" warning.
233
  t_new.c_lflag &= ~(tcflag_t)ECHO;
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
234
  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
235
    int e = errno;
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
236
    error(0, errno, "tcsetattr-echo");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
237
    switch(e){
238
    case EBADF:
239
    case ENOTTY:
240
      return EX_UNAVAILABLE;
241
    case EINVAL:
242
    default:
243
      return EX_OSERR;
244
    }
13 by Björn Påhlsson
Added following support:
245
  }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
246
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
247
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
248
    fprintf(stderr, "Waiting for input from stdin \n");
249
  }
13 by Björn Påhlsson
Added following support:
250
  while(true){
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
251
    if(quit_now){
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
252
      if(debug){
253
	fprintf(stderr, "Interrupted by signal, exiting.\n");
254
      }
13 by Björn Påhlsson
Added following support:
255
      status = EXIT_FAILURE;
256
      break;
257
    }
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
258
259
    if(prefix){
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
260
      fprintf(stderr, "%s ", prefix);
261
    }
262
    {
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
263
      const char *cryptsource = getenv("CRYPTTAB_SOURCE");
264
      const char *crypttarget = getenv("CRYPTTAB_NAME");
265
      /* Before cryptsetup 1.1.0~rc2 */
266
      if(cryptsource == NULL){
267
	cryptsource = getenv("cryptsource");
268
      }
269
      if(crypttarget == NULL){
270
	crypttarget = getenv("crypttarget");
271
      }
272
      const char *const prompt1 = "Unlocking the disk";
273
      const char *const prompt2 = "Enter passphrase";
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
274
      if(cryptsource == NULL){
275
	if(crypttarget == NULL){
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
276
	  fprintf(stderr, "%s to unlock the disk: ", prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
277
	} else {
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
278
	  fprintf(stderr, "%s (%s)\n%s: ", prompt1, crypttarget,
279
		  prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
280
	}
281
      } else {
282
	if(crypttarget == NULL){
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
283
	  fprintf(stderr, "%s %s\n%s: ", prompt1, cryptsource,
284
		  prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
285
	} else {
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
286
	  fprintf(stderr, "%s %s (%s)\n%s: ", prompt1, cryptsource,
287
		  crypttarget, prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
288
	}
289
      }
290
    }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
291
    sret = getline(&buffer, &n, stdin);
292
    if(sret > 0){
13 by Björn Påhlsson
Added following support:
293
      status = EXIT_SUCCESS;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
294
      /* Make n = data size instead of allocated buffer size */
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
295
      n = (size_t)sret;
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
296
      /* Strip final newline */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
297
      if(n > 0 and buffer[n-1] == '\n'){
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
298
	buffer[n-1] = '\0';	/* not strictly necessary */
299
	n--;
300
      }
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
301
      size_t written = 0;
302
      while(written < n){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
303
	sret = write(STDOUT_FILENO, buffer + written, n - written);
304
	if(sret < 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
305
	  int e = errno;
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
306
	  error(0, errno, "write");
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
	  case EFAULT:
310
	  case EINVAL:
311
	  case EFBIG:
312
	  case EIO:
313
	  case ENOSPC:
314
	  default:
315
	    status = EX_IOERR;
316
	    break;
317
	  case EINTR:
318
	    status = EXIT_FAILURE;
319
	    break;
320
	  }
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
321
	  break;
322
	}
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
323
	written += (size_t)sret;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
324
      }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
325
      sret = close(STDOUT_FILENO);
326
      if(sret == -1){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
327
	int e = errno;
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
328
	error(0, errno, "close");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
329
	switch(e){
330
	case EBADF:
331
	  status = EX_OSFILE;
332
	  break;
333
	case EIO:
334
	default:
335
	  status = EX_IOERR;
336
	  break;
337
	}
338
      }
13 by Björn Påhlsson
Added following support:
339
      break;
340
    }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
341
    if(sret < 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
342
      int e = errno;
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
343
      if(errno != EINTR and not feof(stdin)){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
344
	error(0, errno, "getline");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
345
	switch(e){
346
	case EBADF:
347
	  status = EX_UNAVAILABLE;
348
	case EIO:
349
	case EINVAL:
350
	default:
351
	  status = EX_IOERR;
352
	  break;
353
	}
13 by Björn Påhlsson
Added following support:
354
	break;
355
      }
356
    }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
357
    /* if(sret == 0), then the only sensible thing to do is to retry to
41 by Teddy Hogeborn
Merge.
358
       read from stdin */
13 by Björn Påhlsson
Added following support:
359
    fputc('\n', stderr);
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
360
    if(debug and not quit_now){
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
361
      /* 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
362
	 will print that later, so no need to show this too. */
363
      fprintf(stderr, "getline() returned 0, retrying.\n");
364
    }
13 by Björn Påhlsson
Added following support:
365
  }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
366
  
24.1.92 by Björn Påhlsson
Several memory leaks detected by valgrind fixed
367
  free(buffer);
41 by Teddy Hogeborn
Merge.
368
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
369
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
370
    fprintf(stderr, "Restoring terminal attributes\n");
371
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
372
  if(tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_old) != 0){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
373
    error(0, errno, "tcsetattr+echo");
13 by Björn Påhlsson
Added following support:
374
  }
41 by Teddy Hogeborn
Merge.
375
  
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
376
  if(quit_now){
377
    sigemptyset(&old_action.sa_mask);
378
    old_action.sa_handler = SIG_DFL;
379
    ret = sigaction(signal_received, &old_action, NULL);
380
    if(ret == -1){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
381
      error(0, errno, "sigaction");
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
382
    }
383
    raise(signal_received);
384
  }
385
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
386
  if(debug){
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
387
    fprintf(stderr, "%s is exiting with status %d\n", argv[0],
388
	    status);
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
389
  }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
390
  if(status == EXIT_SUCCESS or status == EX_OK){
167 by Teddy Hogeborn
* plugins.d/password-prompt.c (main): If successful, output an extra
391
    fputc('\n', stderr);
392
  }
13 by Björn Påhlsson
Added following support:
393
  
394
  return status;
395
}