/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
 * 
237.7.174 by Teddy Hogeborn
* Makefile (CFLAGS, LDFLAGS): Keep default flags from environment.
5
 * Copyright © 2008-2013 Teddy Hogeborn
6
 * Copyright © 2008-2013 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
 * 
237.11.2 by Teddy Hogeborn
Change "fukt.bsnet.se" to "recompile.se" throughout.
22
 * Contact the authors at <mandos@recompile.se>.
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
23
 */
24
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
25
#define _GNU_SOURCE		/* getline(), asprintf() */
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
26
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
27
#include <termios.h>		/* struct termios, tcsetattr(),
13 by Björn Påhlsson
Added following support:
28
				   TCSAFLUSH, tcgetattr(), ECHO */
29
#include <unistd.h>		/* struct termios, tcsetattr(),
30
				   STDIN_FILENO, TCSAFLUSH,
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
31
				   tcgetattr(), ECHO, readlink() */
13 by Björn Påhlsson
Added following support:
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 */
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
38
#include <sys/types.h>		/* ssize_t, struct dirent, pid_t,
39
				   ssize_t, open() */
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
40
#include <stdlib.h>		/* EXIT_SUCCESS, EXIT_FAILURE,
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
41
				   getenv(), free() */
42
#include <dirent.h>		/* scandir(), alphasort() */
13 by Björn Påhlsson
Added following support:
43
#include <stdio.h>		/* fprintf(), stderr, getline(),
237.7.33 by Teddy Hogeborn
Merge from Björn.
44
				   stdin, feof(), fputc(), vfprintf(),
45
				   vasprintf() */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
46
#include <errno.h>		/* errno, EBADF, ENOTTY, EINVAL,
47
				   EFAULT, EFBIG, EIO, ENOSPC, EINTR
48
				*/
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
49
#include <error.h>		/* error() */
13 by Björn Påhlsson
Added following support:
50
#include <iso646.h>		/* or, not */
51
#include <stdbool.h>		/* bool, false, true */
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
52
#include <inttypes.h>		/* strtoumax() */
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
53
#include <sys/stat.h>		/* struct stat, lstat(), open() */
237.7.33 by Teddy Hogeborn
Merge from Björn.
54
#include <string.h>		/* strlen, rindex, memcmp, strerror()
55
				 */
24.1.26 by Björn Påhlsson
tally count of used symbols
56
#include <argp.h>		/* struct argp_option, struct
57
				   argp_state, struct argp,
58
				   argp_parse(), error_t,
59
				   ARGP_KEY_ARG, ARGP_KEY_END,
60
				   ARGP_ERR_UNKNOWN */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
61
#include <sysexits.h>		/* EX_SOFTWARE, EX_OSERR,
62
				   EX_UNAVAILABLE, EX_IOERR, EX_OK */
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
63
#include <fcntl.h>		/* open() */
24.1.173 by Björn Påhlsson
prepended mandos plugin to error messages in each plugin. Added a better way in TODO.
64
#include <stdarg.h>		/* va_list, va_start(), ... */
13 by Björn Påhlsson
Added following support:
65
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
66
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
67
int signal_received;
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
68
bool debug = false;
217 by Teddy Hogeborn
* .bzrignore: Added "man" directory (created by "make install-html").
69
const char *argp_program_version = "password-prompt " VERSION;
237.11.2 by Teddy Hogeborn
Change "fukt.bsnet.se" to "recompile.se" throughout.
70
const char *argp_program_bug_address = "<mandos@recompile.se>";
13 by Björn Påhlsson
Added following support:
71
237.7.17 by Teddy Hogeborn
* plugins.d/password-prompt.c (conflict_detection): Check for both
72
/* Needed for conflict resolution */
73
const char plymouth_name[] = "plymouthd";
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
74
24.1.173 by Björn Påhlsson
prepended mandos plugin to error messages in each plugin. Added a better way in TODO.
75
/* Function to use when printing errors */
237.7.81 by teddy at bsnet
* plugins.d/splashy.c (error_plus): Check format string.
76
__attribute__((format (gnu_printf, 3, 4)))
237.7.33 by Teddy Hogeborn
Merge from Björn.
77
void error_plus(int status, int errnum, const char *formatstring,
78
		...){
24.1.173 by Björn Påhlsson
prepended mandos plugin to error messages in each plugin. Added a better way in TODO.
79
  va_list ap;
80
  char *text;
81
  int ret;
82
  
83
  va_start(ap, formatstring);
84
  ret = vasprintf(&text, formatstring, ap);
85
  if (ret == -1){
237.7.33 by Teddy Hogeborn
Merge from Björn.
86
    fprintf(stderr, "Mandos plugin %s: ",
87
	    program_invocation_short_name);
24.1.173 by Björn Påhlsson
prepended mandos plugin to error messages in each plugin. Added a better way in TODO.
88
    vfprintf(stderr, formatstring, ap);
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
89
    fprintf(stderr, ": %s\n", strerror(errnum));
24.1.173 by Björn Påhlsson
prepended mandos plugin to error messages in each plugin. Added a better way in TODO.
90
    error(status, errno, "vasprintf while printing error");
91
    return;
92
  }
93
  fprintf(stderr, "Mandos plugin ");
94
  error(status, errnum, "%s", text);
95
  free(text);
96
}
97
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
98
static void termination_handler(int signum){
99
  if(quit_now){
100
    return;
101
  }
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
102
  quit_now = 1;
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
103
  signal_received = signum;
13 by Björn Påhlsson
Added following support:
104
}
105
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
106
bool conflict_detection(void){
107
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
108
  /* plymouth conflicts with password-prompt since both want to read
109
     from the terminal.  Password-prompt will exit if it detects
110
     plymouth since plymouth performs the same functionality.
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
111
   */
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
112
  __attribute__((nonnull))
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
113
  int is_plymouth(const struct dirent *proc_entry){
114
    int ret;
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
115
    int cl_fd;
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
116
    {
237.7.84 by Björn Påhlsson
renamed some foomax values to what they actually represent
117
      uintmax_t proc_id;
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
118
      char *tmp;
119
      errno = 0;
237.7.84 by Björn Påhlsson
renamed some foomax values to what they actually represent
120
      proc_id = strtoumax(proc_entry->d_name, &tmp, 10);
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
121
      
122
      if(errno != 0 or *tmp != '\0'
237.7.84 by Björn Påhlsson
renamed some foomax values to what they actually represent
123
	 or proc_id != (uintmax_t)((pid_t)proc_id)){
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
124
	return 0;
125
      }
126
    }
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
127
    
128
    char *cmdline_filename;
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
129
    ret = asprintf(&cmdline_filename, "/proc/%s/cmdline",
130
		   proc_entry->d_name);
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
131
    if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
132
      error_plus(0, errno, "asprintf");
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
133
      return 0;
134
    }
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
135
    
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
136
    /* Open /proc/<pid>/cmdline */
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
137
    cl_fd = open(cmdline_filename, O_RDONLY);
138
    free(cmdline_filename);
139
    if(cl_fd == -1){
237.7.26 by Teddy Hogeborn
* plugins.d/password-prompt.c (conflict_detection): Don't print error
140
      if(errno != ENOENT){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
141
	error_plus(0, errno, "open");
237.7.26 by Teddy Hogeborn
* plugins.d/password-prompt.c (conflict_detection): Don't print error
142
      }
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
143
      return 0;
144
    }
145
    
146
    char *cmdline = NULL;
147
    {
148
      size_t cmdline_len = 0;
149
      size_t cmdline_allocated = 0;
150
      char *tmp;
151
      const size_t blocksize = 1024;
152
      ssize_t sret;
153
      do {
154
	/* Allocate more space? */
155
	if(cmdline_len + blocksize + 1 > cmdline_allocated){
156
	  tmp = realloc(cmdline, cmdline_allocated + blocksize + 1);
157
	  if(tmp == NULL){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
158
	    error_plus(0, errno, "realloc");
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
159
	    free(cmdline);
160
	    close(cl_fd);
161
	    return 0;
162
	  }
163
	  cmdline = tmp;
164
	  cmdline_allocated += blocksize;
165
	}
166
	
167
	/* Read data */
168
	sret = read(cl_fd, cmdline + cmdline_len,
169
		    cmdline_allocated - cmdline_len);
170
	if(sret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
171
	  error_plus(0, errno, "read");
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
172
	  free(cmdline);
173
	  close(cl_fd);
174
	  return 0;
175
	}
176
	cmdline_len += (size_t)sret;
177
      } while(sret != 0);
178
      ret = close(cl_fd);
179
      if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
180
	error_plus(0, errno, "close");
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
181
	free(cmdline);
182
	return 0;
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
183
      }
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
184
      cmdline[cmdline_len] = '\0'; /* Make sure it is terminated */
185
    }
186
    /* we now have cmdline */
187
    
188
    /* get basename */
189
    char *cmdline_base = strrchr(cmdline, '/');
190
    if(cmdline_base != NULL){
191
      cmdline_base += 1;		/* skip the slash */
192
    } else {
193
      cmdline_base = cmdline;
194
    }
195
    
237.7.19 by Teddy Hogeborn
* plugins.d/password-prompt.c (conflict_detection): Check for both
196
    if(strcmp(cmdline_base, plymouth_name) != 0){
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
197
      if(debug){
237.7.19 by Teddy Hogeborn
* plugins.d/password-prompt.c (conflict_detection): Check for both
198
	fprintf(stderr, "\"%s\" is not \"%s\"\n", cmdline_base,
199
		plymouth_name);
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
200
      }
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
201
      free(cmdline);
202
      return 0;
203
    }
237.7.19 by Teddy Hogeborn
* plugins.d/password-prompt.c (conflict_detection): Check for both
204
    if(debug){
205
      fprintf(stderr, "\"%s\" equals \"%s\"\n", cmdline_base,
206
	      plymouth_name);
207
    }
275.1.2 by Björn Påhlsson
fixed bug with conflict detection between plymouthd and password-prompt
208
    free(cmdline);
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
209
    return 1;
210
  }
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
211
  
24.1.176 by Björn Påhlsson
free dirents in password-prompt
212
  struct dirent **direntries = NULL;
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
213
  int ret;
214
  ret = scandir("/proc", &direntries, is_plymouth, alphasort);
215
  if (ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
216
    error_plus(1, errno, "scandir");
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
217
  }
285 by Teddy Hogeborn
* Makefile (version): Changed to "1.3.1".
218
  free(direntries);
237.7.15 by Teddy Hogeborn
Merge fix for password-prompt/plymouth conflict from Björn.
219
  return ret > 0;
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
220
}
221
222
13 by Björn Påhlsson
Added following support:
223
int main(int argc, char **argv){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
224
  ssize_t sret;
225
  int ret;
13 by Björn Påhlsson
Added following support:
226
  size_t n;
227
  struct termios t_new, t_old;
228
  char *buffer = NULL;
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
229
  char *prefix = NULL;
13 by Björn Påhlsson
Added following support:
230
  int status = EXIT_SUCCESS;
231
  struct sigaction old_action,
232
    new_action = { .sa_handler = termination_handler,
233
		   .sa_flags = 0 };
24.1.17 by Björn Påhlsson
passprompt
234
  {
235
    struct argp_option options[] = {
236
      { .name = "prefix", .key = 'p',
237
	.arg = "PREFIX", .flags = 0,
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
238
	.doc = "Prefix shown before the prompt", .group = 2 },
24.1.17 by Björn Påhlsson
passprompt
239
      { .name = "debug", .key = 128,
240
	.doc = "Debug mode", .group = 3 },
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
241
      /*
242
       * These reproduce what we would get without ARGP_NO_HELP
243
       */
244
      { .name = "help", .key = '?',
245
	.doc = "Give this help list", .group = -1 },
246
      { .name = "usage", .key = -3,
247
	.doc = "Give a short usage message", .group = -1 },
248
      { .name = "version", .key = 'V',
249
	.doc = "Print program version", .group = -1 },
24.1.17 by Björn Påhlsson
passprompt
250
      { .name = NULL }
251
    };
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
252
    
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
253
    __attribute__((nonnull(3)))
237.2.56 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
254
    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
255
      errno = 0;
237.2.56 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
256
      switch (key){
24.1.17 by Björn Påhlsson
passprompt
257
      case 'p':
258
	prefix = arg;
259
	break;
260
      case 128:
261
	debug = true;
262
	break;
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
263
	/*
264
	 * These reproduce what we would get without ARGP_NO_HELP
265
	 */
266
      case '?':			/* --help */
267
	argp_state_help(state, state->out_stream,
268
			(ARGP_HELP_STD_HELP | ARGP_HELP_EXIT_ERR)
269
			& ~(unsigned int)ARGP_HELP_EXIT_OK);
270
      case -3:			/* --usage */
271
	argp_state_help(state, state->out_stream,
272
			ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
273
      case 'V':			/* --version */
274
	fprintf(state->out_stream, "%s\n", argp_program_version);
275
	exit(argp_err_exit_status);
24.1.17 by Björn Påhlsson
passprompt
276
	break;
277
      default:
278
	return ARGP_ERR_UNKNOWN;
279
      }
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
280
      return errno;
24.1.17 by Björn Påhlsson
passprompt
281
    }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
282
    
24.1.17 by Björn Påhlsson
passprompt
283
    struct argp argp = { .options = options, .parser = parse_opt,
284
			 .args_doc = "",
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
285
			 .doc = "Mandos password-prompt -- Read and"
286
			 " output a password" };
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
287
    ret = argp_parse(&argp, argc, argv,
288
		     ARGP_IN_ORDER | ARGP_NO_HELP, NULL, NULL);
289
    switch(ret){
290
    case 0:
291
      break;
292
    case ENOMEM:
293
    default:
294
      errno = ret;
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
295
      error_plus(0, errno, "argp_parse");
237.2.157 by Teddy Hogeborn
Convert some programs to use the exit codes from <sysexits.h>. Change
296
      return EX_OSERR;
297
    case EINVAL:
298
      return EX_USAGE;
24.1.26 by Björn Påhlsson
tally count of used symbols
299
    }
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
300
  }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
301
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
302
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
303
    fprintf(stderr, "Starting %s\n", argv[0]);
304
  }
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
305
306
  if (conflict_detection()){
307
    if(debug){
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
308
      fprintf(stderr, "Stopping %s because of conflict\n", argv[0]);
275.1.1 by Björn Påhlsson
password-prompt: added conflic handling with plymouth daemon.
309
    }
310
    return EXIT_FAILURE;
311
  }
312
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
313
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
314
    fprintf(stderr, "Storing current terminal attributes\n");
315
  }
13 by Björn Påhlsson
Added following support:
316
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
317
  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
318
    int e = errno;
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
319
    error_plus(0, errno, "tcgetattr");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
320
    switch(e){
321
    case EBADF:
322
    case ENOTTY:
323
      return EX_UNAVAILABLE;
324
    default:
325
      return EX_OSERR;
326
    }
13 by Björn Påhlsson
Added following support:
327
  }
328
  
329
  sigemptyset(&new_action.sa_mask);
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
330
  ret = sigaddset(&new_action.sa_mask, SIGINT);
331
  if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
332
    error_plus(0, errno, "sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
333
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
334
  }
335
  ret = sigaddset(&new_action.sa_mask, SIGHUP);
336
  if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
337
    error_plus(0, errno, "sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
338
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
339
  }
340
  ret = sigaddset(&new_action.sa_mask, SIGTERM);
341
  if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
342
    error_plus(0, errno, "sigaddset");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
343
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
344
  }
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
345
  /* Need to check if the handler is SIG_IGN before handling:
346
     | [[info:libc:Initial Signal Actions]] |
347
     | [[info:libc:Basic Signal Handling]]  |
348
  */
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
349
  ret = sigaction(SIGINT, NULL, &old_action);
350
  if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
351
    error_plus(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
352
    return EX_OSERR;
237.2.120 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
353
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
354
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
355
    ret = sigaction(SIGINT, &new_action, NULL);
356
    if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
357
      error_plus(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
358
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
359
    }
360
  }
361
  ret = sigaction(SIGHUP, NULL, &old_action);
362
  if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
363
    error_plus(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
364
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
365
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
366
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
367
    ret = sigaction(SIGHUP, &new_action, NULL);
368
    if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
369
      error_plus(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
370
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
371
    }
372
  }
373
  ret = sigaction(SIGTERM, NULL, &old_action);
374
  if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
375
    error_plus(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
376
    return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
377
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
378
  if(old_action.sa_handler != SIG_IGN){
24.1.26 by Björn Påhlsson
tally count of used symbols
379
    ret = sigaction(SIGTERM, &new_action, NULL);
380
    if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
381
      error_plus(0, errno, "sigaction");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
382
      return EX_OSERR;
24.1.26 by Björn Påhlsson
tally count of used symbols
383
    }
384
  }
385
  
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
386
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
387
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
388
    fprintf(stderr, "Removing echo flag from terminal attributes\n");
389
  }
13 by Björn Påhlsson
Added following support:
390
  
391
  t_new = t_old;
237.2.140 by Teddy Hogeborn
* plugins.d/password-prompt.c (main): Fix "-Wconversion" warning.
392
  t_new.c_lflag &= ~(tcflag_t)ECHO;
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
393
  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
394
    int e = errno;
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
395
    error_plus(0, errno, "tcsetattr-echo");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
396
    switch(e){
397
    case EBADF:
398
    case ENOTTY:
399
      return EX_UNAVAILABLE;
400
    case EINVAL:
401
    default:
402
      return EX_OSERR;
403
    }
13 by Björn Påhlsson
Added following support:
404
  }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
405
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
406
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
407
    fprintf(stderr, "Waiting for input from stdin \n");
408
  }
13 by Björn Påhlsson
Added following support:
409
  while(true){
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
410
    if(quit_now){
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
411
      if(debug){
412
	fprintf(stderr, "Interrupted by signal, exiting.\n");
413
      }
13 by Björn Påhlsson
Added following support:
414
      status = EXIT_FAILURE;
415
      break;
416
    }
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
417
418
    if(prefix){
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
419
      fprintf(stderr, "%s ", prefix);
420
    }
421
    {
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
422
      const char *cryptsource = getenv("CRYPTTAB_SOURCE");
423
      const char *crypttarget = getenv("CRYPTTAB_NAME");
424
      /* Before cryptsetup 1.1.0~rc2 */
425
      if(cryptsource == NULL){
426
	cryptsource = getenv("cryptsource");
427
      }
428
      if(crypttarget == NULL){
429
	crypttarget = getenv("crypttarget");
430
      }
431
      const char *const prompt1 = "Unlocking the disk";
432
      const char *const prompt2 = "Enter passphrase";
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
433
      if(cryptsource == NULL){
434
	if(crypttarget == NULL){
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
435
	  fprintf(stderr, "%s to unlock the disk: ", prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
436
	} else {
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
437
	  fprintf(stderr, "%s (%s)\n%s: ", prompt1, crypttarget,
438
		  prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
439
	}
440
      } else {
441
	if(crypttarget == NULL){
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
442
	  fprintf(stderr, "%s %s\n%s: ", prompt1, cryptsource,
443
		  prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
444
	} else {
237.2.160 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use environment variables and prompt
445
	  fprintf(stderr, "%s %s (%s)\n%s: ", prompt1, cryptsource,
446
		  crypttarget, prompt2);
79 by Teddy Hogeborn
* plugins.d/password-request.c (main): Include environment variables
447
	}
448
      }
449
    }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
450
    sret = getline(&buffer, &n, stdin);
451
    if(sret > 0){
13 by Björn Påhlsson
Added following support:
452
      status = EXIT_SUCCESS;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
453
      /* 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
454
      n = (size_t)sret;
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
455
      /* Strip final newline */
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
456
      if(n > 0 and buffer[n-1] == '\n'){
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
457
	buffer[n-1] = '\0';	/* not strictly necessary */
458
	n--;
459
      }
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
460
      size_t written = 0;
461
      while(written < n){
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
462
	sret = write(STDOUT_FILENO, buffer + written, n - written);
463
	if(sret < 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
464
	  int e = errno;
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
465
	  error_plus(0, errno, "write");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
466
	  switch(e){
467
	  case EBADF:
468
	  case EFAULT:
469
	  case EINVAL:
470
	  case EFBIG:
471
	  case EIO:
472
	  case ENOSPC:
473
	  default:
474
	    status = EX_IOERR;
475
	    break;
476
	  case EINTR:
477
	    status = EXIT_FAILURE;
478
	    break;
479
	  }
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
480
	  break;
481
	}
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
482
	written += (size_t)sret;
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
483
      }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
484
      sret = close(STDOUT_FILENO);
485
      if(sret == -1){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
486
	int e = errno;
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
487
	error_plus(0, errno, "close");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
488
	switch(e){
489
	case EBADF:
490
	  status = EX_OSFILE;
491
	  break;
492
	case EIO:
493
	default:
494
	  status = EX_IOERR;
495
	  break;
496
	}
497
      }
13 by Björn Påhlsson
Added following support:
498
      break;
499
    }
24.1.155 by Björn Påhlsson
mandos server: Added debuglevel that adjust at what level information
500
    if(sret < 0){
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
501
      int e = errno;
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
502
      if(errno != EINTR and not feof(stdin)){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
503
	error_plus(0, errno, "getline");
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
504
	switch(e){
505
	case EBADF:
506
	  status = EX_UNAVAILABLE;
237.7.84 by Björn Påhlsson
renamed some foomax values to what they actually represent
507
	  break;
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
508
	case EIO:
509
	case EINVAL:
510
	default:
511
	  status = EX_IOERR;
512
	  break;
513
	}
13 by Björn Påhlsson
Added following support:
514
	break;
515
      }
516
    }
237.9.1 by teddy at bsnet
* plugins.d/password-prompt.c: Some white space fixes. Break some
517
    /* if(sret == 0), then the only sensible thing to do is to retry
518
       to read from stdin */
13 by Björn Påhlsson
Added following support:
519
    fputc('\n', stderr);
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
520
    if(debug and not quit_now){
237.2.57 by Teddy Hogeborn
* plugins.d/password-prompt.c (quit_now): Changed type to "volatile
521
      /* 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
522
	 will print that later, so no need to show this too. */
523
      fprintf(stderr, "getline() returned 0, retrying.\n");
524
    }
13 by Björn Påhlsson
Added following support:
525
  }
237.2.20 by Teddy Hogeborn
Change the default value of the "checker" option command to make the
526
  
24.1.92 by Björn Påhlsson
Several memory leaks detected by valgrind fixed
527
  free(buffer);
41 by Teddy Hogeborn
Merge.
528
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
529
  if(debug){
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
530
    fprintf(stderr, "Restoring terminal attributes\n");
531
  }
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
532
  if(tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_old) != 0){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
533
    error_plus(0, errno, "tcsetattr+echo");
13 by Björn Påhlsson
Added following support:
534
  }
41 by Teddy Hogeborn
Merge.
535
  
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
536
  if(quit_now){
537
    sigemptyset(&old_action.sa_mask);
538
    old_action.sa_handler = SIG_DFL;
539
    ret = sigaction(signal_received, &old_action, NULL);
540
    if(ret == -1){
237.7.82 by teddy at bsnet
* plugin-runner.c (add_to_char_array): Added "nonnull" attribute.
541
      error_plus(0, errno, "sigaction");
237.2.119 by Teddy Hogeborn
* plugin-runner.c (main): When a plugin is killed by a signal, show
542
    }
543
    raise(signal_received);
544
  }
545
  
237.2.29 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
546
  if(debug){
110 by Teddy Hogeborn
* mandos.xml (EXAMPLE): Replaced all occurences of command name with
547
    fprintf(stderr, "%s is exiting with status %d\n", argv[0],
548
	    status);
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
549
  }
237.2.154 by Teddy Hogeborn
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>. Do
550
  if(status == EXIT_SUCCESS or status == EX_OK){
167 by Teddy Hogeborn
* plugins.d/password-prompt.c (main): If successful, output an extra
551
    fputc('\n', stderr);
552
  }
13 by Björn Påhlsson
Added following support:
553
  
554
  return status;
555
}