/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
1
/*  -*- coding: utf-8 -*- */
2
/*
261 by Teddy Hogeborn
* plugins.d/askpass-fifo.c: Fix name in header.
3
 * Mandos-client - get and decrypt data from a Mandos server
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
4
 *
5
 * This program is partly derived from an example program for an Avahi
6
 * service browser, downloaded from
7
 * <http://avahi.org/browser/examples/core-browse-services.c>.  This
8
 * includes the following functions: "resolve_callback",
9
 * "browse_callback", and parts of "main".
10
 * 
28 by Teddy Hogeborn
* server.conf: New file.
11
 * Everything else is
246 by Teddy Hogeborn
* README: Update copyright year; add "2009".
12
 * Copyright © 2008,2009 Teddy Hogeborn
13
 * Copyright © 2008,2009 Björn Påhlsson
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
14
 * 
15
 * This program is free software: you can redistribute it and/or
16
 * modify it under the terms of the GNU General Public License as
17
 * published by the Free Software Foundation, either version 3 of the
18
 * License, or (at your option) any later version.
19
 * 
20
 * This program is distributed in the hope that it will be useful, but
21
 * WITHOUT ANY WARRANTY; without even the implied warranty of
22
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23
 * General Public License for more details.
24
 * 
25
 * You should have received a copy of the GNU General Public License
26
 * along with this program.  If not, see
27
 * <http://www.gnu.org/licenses/>.
28
 * 
31 by Teddy Hogeborn
* plugins.d/plugbasedclient.c: Update include file comments.
29
 * Contact the authors at <mandos@fukt.bsnet.se>.
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
30
 */
31
28 by Teddy Hogeborn
* server.conf: New file.
32
/* Needed by GPGME, specifically gpgme_data_seek() */
317 by Teddy Hogeborn
Use "getconf" to get correct LFS compile and link flags.
33
#ifndef _LARGEFILE_SOURCE
13 by Björn Påhlsson
Added following support:
34
#define _LARGEFILE_SOURCE
317 by Teddy Hogeborn
Use "getconf" to get correct LFS compile and link flags.
35
#endif
36
#ifndef _FILE_OFFSET_BITS
13 by Björn Påhlsson
Added following support:
37
#define _FILE_OFFSET_BITS 64
317 by Teddy Hogeborn
Use "getconf" to get correct LFS compile and link flags.
38
#endif
13 by Björn Påhlsson
Added following support:
39
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
40
#define _GNU_SOURCE		/* TEMP_FAILURE_RETRY(), asprintf() */
24.1.10 by Björn Påhlsson
merge commit
41
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
42
#include <stdio.h>		/* fprintf(), stderr, fwrite(),
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
43
				   stdout, ferror(), remove() */
24.1.26 by Björn Påhlsson
tally count of used symbols
44
#include <stdint.h> 		/* uint16_t, uint32_t */
45
#include <stddef.h>		/* NULL, size_t, ssize_t */
24.1.29 by Björn Påhlsson
Added more header file comments
46
#include <stdlib.h> 		/* free(), EXIT_SUCCESS, EXIT_FAILURE,
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
47
				   srand(), strtof() */
304 by Teddy Hogeborn
Four new interrelated features:
48
#include <stdbool.h>		/* bool, false, true */
24.1.29 by Björn Påhlsson
Added more header file comments
49
#include <string.h>		/* memset(), strcmp(), strlen(),
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
50
				   strerror(), asprintf(), strcpy() */
304 by Teddy Hogeborn
Four new interrelated features:
51
#include <sys/ioctl.h>		/* ioctl */
24.1.26 by Björn Påhlsson
tally count of used symbols
52
#include <sys/types.h>		/* socket(), inet_pton(), sockaddr,
24.1.29 by Björn Påhlsson
Added more header file comments
53
				   sockaddr_in6, PF_INET6,
304 by Teddy Hogeborn
Four new interrelated features:
54
				   SOCK_STREAM, uid_t, gid_t, open(),
55
				   opendir(), DIR */
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
56
#include <sys/stat.h>		/* open() */
24.1.26 by Björn Påhlsson
tally count of used symbols
57
#include <sys/socket.h>		/* socket(), struct sockaddr_in6,
304 by Teddy Hogeborn
Four new interrelated features:
58
				   inet_pton(), connect() */
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
59
#include <fcntl.h>		/* open() */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
60
#include <dirent.h>		/* opendir(), struct dirent, readdir()
61
				 */
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
62
#include <inttypes.h>		/* PRIu16, PRIdMAX, intmax_t,
63
				   strtoimax() */
24.1.29 by Björn Påhlsson
Added more header file comments
64
#include <assert.h>		/* assert() */
65
#include <errno.h>		/* perror(), errno */
291 by Teddy Hogeborn
Merge from Björn:
66
#include <time.h>		/* nanosleep(), time() */
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
67
#include <net/if.h>		/* ioctl, ifreq, SIOCGIFFLAGS, IFF_UP,
24.1.26 by Björn Påhlsson
tally count of used symbols
68
				   SIOCSIFFLAGS, if_indextoname(),
69
				   if_nametoindex(), IF_NAMESIZE */
304 by Teddy Hogeborn
Four new interrelated features:
70
#include <netinet/in.h>		/* IN6_IS_ADDR_LINKLOCAL,
71
				   INET_ADDRSTRLEN, INET6_ADDRSTRLEN
72
				*/
24.1.29 by Björn Påhlsson
Added more header file comments
73
#include <unistd.h>		/* close(), SEEK_SET, off_t, write(),
74
				   getuid(), getgid(), setuid(),
75
				   setgid() */
24.1.26 by Björn Påhlsson
tally count of used symbols
76
#include <arpa/inet.h>		/* inet_pton(), htons */
304 by Teddy Hogeborn
Four new interrelated features:
77
#include <iso646.h>		/* not, or, and */
24.1.29 by Björn Påhlsson
Added more header file comments
78
#include <argp.h>		/* struct argp_option, error_t, struct
79
				   argp_state, struct argp,
80
				   argp_parse(), ARGP_KEY_ARG,
81
				   ARGP_KEY_END, ARGP_ERR_UNKNOWN */
307 by Teddy Hogeborn
Merge from Björn:
82
#include <signal.h>		/* sigemptyset(), sigaddset(),
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
83
				   sigaction(), SIGTERM, sig_atomic_t,
84
				   raise() */
307 by Teddy Hogeborn
Merge from Björn:
85
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
86
#ifdef __linux__
24.1.124 by Björn Påhlsson
Added lower kernel loglevel to reduce clutter on system console.
87
#include <sys/klog.h> 		/* klogctl() */
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
88
#endif	/* __linux__ */
24.1.26 by Björn Påhlsson
tally count of used symbols
89
90
/* Avahi */
24.1.29 by Björn Påhlsson
Added more header file comments
91
/* All Avahi types, constants and functions
92
 Avahi*, avahi_*,
93
 AVAHI_* */
94
#include <avahi-core/core.h>
24.1.26 by Björn Påhlsson
tally count of used symbols
95
#include <avahi-core/lookup.h>
24.1.29 by Björn Påhlsson
Added more header file comments
96
#include <avahi-core/log.h>
24.1.26 by Björn Påhlsson
tally count of used symbols
97
#include <avahi-common/simple-watch.h>
98
#include <avahi-common/malloc.h>
99
#include <avahi-common/error.h>
100
101
/* GnuTLS */
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
102
#include <gnutls/gnutls.h>	/* All GnuTLS types, constants and
103
				   functions:
24.1.29 by Björn Påhlsson
Added more header file comments
104
				   gnutls_*
24.1.26 by Björn Påhlsson
tally count of used symbols
105
				   init_gnutls_session(),
24.1.29 by Björn Påhlsson
Added more header file comments
106
				   GNUTLS_* */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
107
#include <gnutls/openpgp.h>
108
			  /* gnutls_certificate_set_openpgp_key_file(),
24.1.29 by Björn Påhlsson
Added more header file comments
109
				   GNUTLS_OPENPGP_FMT_BASE64 */
24.1.26 by Björn Påhlsson
tally count of used symbols
110
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
111
/* GPGME */
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
112
#include <gpgme.h> 		/* All GPGME types, constants and
113
				   functions:
24.1.29 by Björn Påhlsson
Added more header file comments
114
				   gpgme_*
24.1.26 by Björn Påhlsson
tally count of used symbols
115
				   GPGME_PROTOCOL_OpenPGP,
24.1.29 by Björn Påhlsson
Added more header file comments
116
				   GPG_ERR_NO_* */
13 by Björn Påhlsson
Added following support:
117
118
#define BUFFER_SIZE 256
37 by Teddy Hogeborn
Non-tested commit for merge purposes.
119
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
120
#define PATHDIR "/conf/conf.d/mandos"
121
#define SECKEY "seckey.txt"
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
122
#define PUBKEY "pubkey.txt"
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
123
15.1.2 by Björn Påhlsson
Added debug options from passprompt as --debug and --debug=passprompt
124
bool debug = false;
43 by Teddy Hogeborn
* plugins.d/mandosclient.c: Cosmetic changes.
125
static const char mandos_protocol_version[] = "1";
217 by Teddy Hogeborn
* .bzrignore: Added "man" directory (created by "make install-html").
126
const char *argp_program_version = "mandos-client " VERSION;
24.1.14 by Björn Påhlsson
mandosclient
127
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
24.1.10 by Björn Påhlsson
merge commit
128
42 by Teddy Hogeborn
* plugins.d/mandosclient.c (start_mandos_communication): Change "to"
129
/* Used for passing in values through the Avahi callback functions */
13 by Björn Påhlsson
Added following support:
130
typedef struct {
24.1.9 by Björn Påhlsson
not working midwork...
131
  AvahiSimplePoll *simple_poll;
132
  AvahiServer *server;
13 by Björn Påhlsson
Added following support:
133
  gnutls_certificate_credentials_t cred;
24.1.9 by Björn Påhlsson
not working midwork...
134
  unsigned int dh_bits;
24.1.13 by Björn Påhlsson
mandosclient
135
  gnutls_dh_params_t dh_params;
24.1.9 by Björn Påhlsson
not working midwork...
136
  const char *priority;
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
137
  gpgme_ctx_t ctx;
24.1.9 by Björn Påhlsson
not working midwork...
138
} mandos_context;
13 by Björn Påhlsson
Added following support:
139
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
140
/* global context so signal handler can reach it*/
24.1.135 by Björn Påhlsson
Earlier signal handling
141
mandos_context mc = { .simple_poll = NULL, .server = NULL,
142
		      .dh_bits = 1024, .priority = "SECURE256"
143
		      ":!CTYPE-X.509:+CTYPE-OPENPGP" };
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
144
43 by Teddy Hogeborn
* plugins.d/mandosclient.c: Cosmetic changes.
145
/*
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
146
 * Make additional room in "buffer" for at least BUFFER_SIZE more
147
 * bytes. "buffer_capacity" is how much is currently allocated,
148
 * "buffer_length" is how much is already used.
43 by Teddy Hogeborn
* plugins.d/mandosclient.c: Cosmetic changes.
149
 */
24.1.132 by Björn Påhlsson
Fixed a bug in fallback handling
150
size_t incbuffer(char **buffer, size_t buffer_length,
24.1.10 by Björn Påhlsson
merge commit
151
		  size_t buffer_capacity){
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
152
  if(buffer_length + BUFFER_SIZE > buffer_capacity){
24.1.12 by Björn Påhlsson
merge +
153
    *buffer = realloc(*buffer, buffer_capacity + BUFFER_SIZE);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
154
    if(buffer == NULL){
24.1.10 by Björn Påhlsson
merge commit
155
      return 0;
156
    }
157
    buffer_capacity += BUFFER_SIZE;
158
  }
159
  return buffer_capacity;
160
}
161
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
162
/* 
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
163
 * Initialize GPGME.
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
164
 */
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
165
static bool init_gpgme(const char *seckey,
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
166
		       const char *pubkey, const char *tempdir){
167
  int ret;
13 by Björn Påhlsson
Added following support:
168
  gpgme_error_t rc;
169
  gpgme_engine_info_t engine_info;
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
170
  
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
171
  
172
  /*
288 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Use separate bool variable instead
173
   * Helper function to insert pub and seckey to the engine keyring.
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
174
   */
175
  bool import_key(const char *filename){
176
    int fd;
177
    gpgme_data_t pgp_data;
178
    
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
179
    fd = (int)TEMP_FAILURE_RETRY(open(filename, O_RDONLY));
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
180
    if(fd == -1){
181
      perror("open");
182
      return false;
183
    }
184
    
185
    rc = gpgme_data_new_from_fd(&pgp_data, fd);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
186
    if(rc != GPG_ERR_NO_ERROR){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
187
      fprintf(stderr, "bad gpgme_data_new_from_fd: %s: %s\n",
188
	      gpgme_strsource(rc), gpgme_strerror(rc));
189
      return false;
190
    }
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
191
    
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
192
    rc = gpgme_op_import(mc.ctx, pgp_data);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
193
    if(rc != GPG_ERR_NO_ERROR){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
194
      fprintf(stderr, "bad gpgme_op_import: %s: %s\n",
195
	      gpgme_strsource(rc), gpgme_strerror(rc));
196
      return false;
197
    }
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
198
    
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
199
    ret = (int)TEMP_FAILURE_RETRY(close(fd));
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
200
    if(ret == -1){
201
      perror("close");
202
    }
203
    gpgme_data_release(pgp_data);
204
    return true;
205
  }
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
206
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
207
  if(debug){
307 by Teddy Hogeborn
Merge from Björn:
208
    fprintf(stderr, "Initializing GPGME\n");
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
209
  }
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
210
  
13 by Björn Påhlsson
Added following support:
211
  /* Init GPGME */
212
  gpgme_check_version(NULL);
24.1.4 by Björn Påhlsson
Added optional parameters certdir, certkey and certfile that can be iven at start in the command line.
213
  rc = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
214
  if(rc != GPG_ERR_NO_ERROR){
24.1.4 by Björn Påhlsson
Added optional parameters certdir, certkey and certfile that can be iven at start in the command line.
215
    fprintf(stderr, "bad gpgme_engine_check_version: %s: %s\n",
216
	    gpgme_strsource(rc), gpgme_strerror(rc));
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
217
    return false;
24.1.4 by Björn Påhlsson
Added optional parameters certdir, certkey and certfile that can be iven at start in the command line.
218
  }
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
219
  
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
220
    /* Set GPGME home directory for the OpenPGP engine only */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
221
  rc = gpgme_get_engine_info(&engine_info);
222
  if(rc != GPG_ERR_NO_ERROR){
13 by Björn Påhlsson
Added following support:
223
    fprintf(stderr, "bad gpgme_get_engine_info: %s: %s\n",
224
	    gpgme_strsource(rc), gpgme_strerror(rc));
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
225
    return false;
13 by Björn Påhlsson
Added following support:
226
  }
227
  while(engine_info != NULL){
228
    if(engine_info->protocol == GPGME_PROTOCOL_OpenPGP){
229
      gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP,
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
230
			    engine_info->file_name, tempdir);
13 by Björn Påhlsson
Added following support:
231
      break;
232
    }
233
    engine_info = engine_info->next;
234
  }
235
  if(engine_info == NULL){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
236
    fprintf(stderr, "Could not set GPGME home dir to %s\n", tempdir);
237
    return false;
238
  }
168 by Teddy Hogeborn
* initramfs-tools-hook: Use long options where available. Use only
239
  
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
240
  /* Create new GPGME "context" */
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
241
  rc = gpgme_new(&(mc.ctx));
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
242
  if(rc != GPG_ERR_NO_ERROR){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
243
    fprintf(stderr, "bad gpgme_new: %s: %s\n",
244
	    gpgme_strsource(rc), gpgme_strerror(rc));
245
    return false;
246
  }
247
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
248
  if(not import_key(pubkey) or not import_key(seckey)){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
249
    return false;
250
  }
251
  
355 by Teddy Hogeborn
* mandos: White-space fixes only.
252
  return true;
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
253
}
254
255
/* 
256
 * Decrypt OpenPGP data.
257
 * Returns -1 on error
258
 */
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
259
static ssize_t pgp_packet_decrypt(const char *cryptotext,
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
260
				  size_t crypto_size,
261
				  char **plaintext){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
262
  gpgme_data_t dh_crypto, dh_plain;
263
  gpgme_error_t rc;
264
  ssize_t ret;
265
  size_t plaintext_capacity = 0;
266
  ssize_t plaintext_length = 0;
267
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
268
  if(debug){
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
269
    fprintf(stderr, "Trying to decrypt OpenPGP data\n");
13 by Björn Påhlsson
Added following support:
270
  }
271
  
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
272
  /* Create new GPGME data buffer from memory cryptotext */
273
  rc = gpgme_data_new_from_mem(&dh_crypto, cryptotext, crypto_size,
274
			       0);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
275
  if(rc != GPG_ERR_NO_ERROR){
13 by Björn Påhlsson
Added following support:
276
    fprintf(stderr, "bad gpgme_data_new_from_mem: %s: %s\n",
277
	    gpgme_strsource(rc), gpgme_strerror(rc));
278
    return -1;
279
  }
280
  
281
  /* Create new empty GPGME data buffer for the plaintext */
282
  rc = gpgme_data_new(&dh_plain);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
283
  if(rc != GPG_ERR_NO_ERROR){
13 by Björn Påhlsson
Added following support:
284
    fprintf(stderr, "bad gpgme_data_new: %s: %s\n",
285
	    gpgme_strsource(rc), gpgme_strerror(rc));
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
286
    gpgme_data_release(dh_crypto);
13 by Björn Påhlsson
Added following support:
287
    return -1;
288
  }
289
  
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
290
  /* Decrypt data from the cryptotext data buffer to the plaintext
291
     data buffer */
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
292
  rc = gpgme_op_decrypt(mc.ctx, dh_crypto, dh_plain);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
293
  if(rc != GPG_ERR_NO_ERROR){
13 by Björn Påhlsson
Added following support:
294
    fprintf(stderr, "bad gpgme_op_decrypt: %s: %s\n",
295
	    gpgme_strsource(rc), gpgme_strerror(rc));
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
296
    plaintext_length = -1;
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
297
    if(debug){
99 by Teddy Hogeborn
* mandos (fingerprint): Bug fix: Check crtverify.value, not crtverify.
298
      gpgme_decrypt_result_t result;
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
299
      result = gpgme_op_decrypt_result(mc.ctx);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
300
      if(result == NULL){
99 by Teddy Hogeborn
* mandos (fingerprint): Bug fix: Check crtverify.value, not crtverify.
301
	fprintf(stderr, "gpgme_op_decrypt_result failed\n");
302
      } else {
303
	fprintf(stderr, "Unsupported algorithm: %s\n",
304
		result->unsupported_algorithm);
305
	fprintf(stderr, "Wrong key usage: %u\n",
306
		result->wrong_key_usage);
307
	if(result->file_name != NULL){
308
	  fprintf(stderr, "File name: %s\n", result->file_name);
309
	}
310
	gpgme_recipient_t recipient;
311
	recipient = result->recipients;
349 by Teddy Hogeborn
* plugins.d/mandos-client.c (pgp_packet_decrypt): Remove redundant
312
	while(recipient != NULL){
313
	  fprintf(stderr, "Public key algorithm: %s\n",
314
		  gpgme_pubkey_algo_name(recipient->pubkey_algo));
315
	  fprintf(stderr, "Key ID: %s\n", recipient->keyid);
316
	  fprintf(stderr, "Secret key available: %s\n",
317
		  recipient->status == GPG_ERR_NO_SECKEY
318
		  ? "No" : "Yes");
319
	  recipient = recipient->next;
99 by Teddy Hogeborn
* mandos (fingerprint): Bug fix: Check crtverify.value, not crtverify.
320
	}
321
      }
322
    }
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
323
    goto decrypt_end;
13 by Björn Påhlsson
Added following support:
324
  }
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
325
  
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
326
  if(debug){
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
327
    fprintf(stderr, "Decryption of OpenPGP data succeeded\n");
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
328
  }
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
329
  
13 by Björn Påhlsson
Added following support:
330
  /* Seek back to the beginning of the GPGME plaintext data buffer */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
331
  if(gpgme_data_seek(dh_plain, (off_t)0, SEEK_SET) == -1){
24.1.92 by Björn Påhlsson
Several memory leaks detected by valgrind fixed
332
    perror("gpgme_data_seek");
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
333
    plaintext_length = -1;
334
    goto decrypt_end;
24.1.5 by Björn Påhlsson
plugbasedclient:
335
  }
336
  
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
337
  *plaintext = NULL;
13 by Björn Påhlsson
Added following support:
338
  while(true){
24.1.132 by Björn Påhlsson
Fixed a bug in fallback handling
339
    plaintext_capacity = incbuffer(plaintext,
42 by Teddy Hogeborn
* plugins.d/mandosclient.c (start_mandos_communication): Change "to"
340
				      (size_t)plaintext_length,
24.1.12 by Björn Påhlsson
merge +
341
				      plaintext_capacity);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
342
    if(plaintext_capacity == 0){
24.1.132 by Björn Påhlsson
Fixed a bug in fallback handling
343
	perror("incbuffer");
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
344
	plaintext_length = -1;
345
	goto decrypt_end;
13 by Björn Påhlsson
Added following support:
346
    }
347
    
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
348
    ret = gpgme_data_read(dh_plain, *plaintext + plaintext_length,
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
349
			  BUFFER_SIZE);
13 by Björn Påhlsson
Added following support:
350
    /* Print the data, if any */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
351
    if(ret == 0){
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
352
      /* EOF */
13 by Björn Påhlsson
Added following support:
353
      break;
354
    }
355
    if(ret < 0){
356
      perror("gpgme_data_read");
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
357
      plaintext_length = -1;
358
      goto decrypt_end;
13 by Björn Påhlsson
Added following support:
359
    }
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
360
    plaintext_length += ret;
13 by Björn Påhlsson
Added following support:
361
  }
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
362
  
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
363
  if(debug){
364
    fprintf(stderr, "Decrypted password is: ");
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
365
    for(ssize_t i = 0; i < plaintext_length; i++){
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
366
      fprintf(stderr, "%02hhX ", (*plaintext)[i]);
367
    }
368
    fprintf(stderr, "\n");
369
  }
370
  
371
 decrypt_end:
372
  
373
  /* Delete the GPGME cryptotext data buffer */
374
  gpgme_data_release(dh_crypto);
15.1.3 by Björn Påhlsson
Added getopt_long support for mandosclient and passprompt
375
  
376
  /* Delete the GPGME plaintext data buffer */
13 by Björn Påhlsson
Added following support:
377
  gpgme_data_release(dh_plain);
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
378
  return plaintext_length;
13 by Björn Påhlsson
Added following support:
379
}
380
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
381
static const char * safer_gnutls_strerror(int value){
267 by Teddy Hogeborn
* plugins.d/mandos-client.c: Only comment changes.
382
  const char *ret = gnutls_strerror(value); /* Spurious warning from
383
					       -Wunreachable-code */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
384
  if(ret == NULL)
13 by Björn Påhlsson
Added following support:
385
    ret = "(unknown)";
386
  return ret;
387
}
388
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
389
/* GnuTLS log function callback */
36 by Teddy Hogeborn
* TODO: Converted to org-mode style
390
static void debuggnutls(__attribute__((unused)) int level,
391
			const char* string){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
392
  fprintf(stderr, "GnuTLS: %s", string);
13 by Björn Påhlsson
Added following support:
393
}
394
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
395
static int init_gnutls_global(const char *pubkeyfilename,
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
396
			      const char *seckeyfilename){
13 by Björn Påhlsson
Added following support:
397
  int ret;
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
398
  
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
399
  if(debug){
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
400
    fprintf(stderr, "Initializing GnuTLS\n");
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
401
  }
24.1.29 by Björn Påhlsson
Added more header file comments
402
  
403
  ret = gnutls_global_init();
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
404
  if(ret != GNUTLS_E_SUCCESS){
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
405
    fprintf(stderr, "GnuTLS global_init: %s\n",
406
	    safer_gnutls_strerror(ret));
13 by Björn Påhlsson
Added following support:
407
    return -1;
408
  }
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
409
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
410
  if(debug){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
411
    /* "Use a log level over 10 to enable all debugging options."
412
     * - GnuTLS manual
413
     */
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
414
    gnutls_global_set_log_level(11);
415
    gnutls_global_set_log_function(debuggnutls);
416
  }
417
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
418
  /* OpenPGP credentials */
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
419
  gnutls_certificate_allocate_credentials(&mc.cred);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
420
  if(ret != GNUTLS_E_SUCCESS){
267 by Teddy Hogeborn
* plugins.d/mandos-client.c: Only comment changes.
421
    fprintf(stderr, "GnuTLS memory error: %s\n", /* Spurious warning
304 by Teddy Hogeborn
Four new interrelated features:
422
						    from
423
						    -Wunreachable-code
424
						 */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
425
	    safer_gnutls_strerror(ret));
426
    gnutls_global_deinit();
13 by Björn Påhlsson
Added following support:
427
    return -1;
428
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
429
  
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
430
  if(debug){
147 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Improved wording
431
    fprintf(stderr, "Attempting to use OpenPGP public key %s and"
432
	    " secret key %s as GnuTLS credentials\n", pubkeyfilename,
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
433
	    seckeyfilename);
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
434
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
435
  
13 by Björn Påhlsson
Added following support:
436
  ret = gnutls_certificate_set_openpgp_key_file
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
437
    (mc.cred, pubkeyfilename, seckeyfilename,
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
438
     GNUTLS_OPENPGP_FMT_BASE64);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
439
  if(ret != GNUTLS_E_SUCCESS){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
440
    fprintf(stderr,
441
	    "Error[%d] while reading the OpenPGP key pair ('%s',"
76 by Teddy Hogeborn
* plugins.d/password-request.c (init_gnutls_global): Renamed
442
	    " '%s')\n", ret, pubkeyfilename, seckeyfilename);
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
443
    fprintf(stderr, "The GnuTLS error is: %s\n",
13 by Björn Påhlsson
Added following support:
444
	    safer_gnutls_strerror(ret));
24.1.20 by Björn Påhlsson
mandosclient
445
    goto globalfail;
13 by Björn Påhlsson
Added following support:
446
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
447
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
448
  /* GnuTLS server initialization */
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
449
  ret = gnutls_dh_params_init(&mc.dh_params);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
450
  if(ret != GNUTLS_E_SUCCESS){
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
451
    fprintf(stderr, "Error in GnuTLS DH parameter initialization:"
452
	    " %s\n", safer_gnutls_strerror(ret));
24.1.20 by Björn Påhlsson
mandosclient
453
    goto globalfail;
13 by Björn Påhlsson
Added following support:
454
  }
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
455
  ret = gnutls_dh_params_generate2(mc.dh_params, mc.dh_bits);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
456
  if(ret != GNUTLS_E_SUCCESS){
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
457
    fprintf(stderr, "Error in GnuTLS prime generation: %s\n",
458
	    safer_gnutls_strerror(ret));
24.1.20 by Björn Påhlsson
mandosclient
459
    goto globalfail;
13 by Björn Påhlsson
Added following support:
460
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
461
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
462
  gnutls_certificate_set_dh_params(mc.cred, mc.dh_params);
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
463
  
24.1.13 by Björn Påhlsson
mandosclient
464
  return 0;
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
465
  
24.1.20 by Björn Påhlsson
mandosclient
466
 globalfail:
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
467
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
468
  gnutls_certificate_free_credentials(mc.cred);
24.1.26 by Björn Påhlsson
tally count of used symbols
469
  gnutls_global_deinit();
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
470
  gnutls_dh_params_deinit(mc.dh_params);
24.1.20 by Björn Påhlsson
mandosclient
471
  return -1;
24.1.13 by Björn Påhlsson
mandosclient
472
}
473
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
474
static int init_gnutls_session(gnutls_session_t *session){
24.1.13 by Björn Påhlsson
mandosclient
475
  int ret;
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
476
  /* GnuTLS session creation */
477
  ret = gnutls_init(session, GNUTLS_SERVER);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
478
  if(ret != GNUTLS_E_SUCCESS){
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
479
    fprintf(stderr, "Error in GnuTLS session initialization: %s\n",
13 by Björn Påhlsson
Added following support:
480
	    safer_gnutls_strerror(ret));
481
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
482
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
483
  {
484
    const char *err;
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
485
    ret = gnutls_priority_set_direct(*session, mc.priority, &err);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
486
    if(ret != GNUTLS_E_SUCCESS){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
487
      fprintf(stderr, "Syntax error at: %s\n", err);
488
      fprintf(stderr, "GnuTLS error: %s\n",
489
	      safer_gnutls_strerror(ret));
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
490
      gnutls_deinit(*session);
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
491
      return -1;
492
    }
13 by Björn Påhlsson
Added following support:
493
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
494
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
495
  ret = gnutls_credentials_set(*session, GNUTLS_CRD_CERTIFICATE,
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
496
			       mc.cred);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
497
  if(ret != GNUTLS_E_SUCCESS){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
498
    fprintf(stderr, "Error setting GnuTLS credentials: %s\n",
13 by Björn Påhlsson
Added following support:
499
	    safer_gnutls_strerror(ret));
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
500
    gnutls_deinit(*session);
13 by Björn Påhlsson
Added following support:
501
    return -1;
502
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
503
  
13 by Björn Påhlsson
Added following support:
504
  /* ignore client certificate if any. */
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
505
  gnutls_certificate_server_set_request(*session,
506
					GNUTLS_CERT_IGNORE);
13 by Björn Påhlsson
Added following support:
507
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
508
  gnutls_dh_set_prime_bits(*session, mc.dh_bits);
13 by Björn Påhlsson
Added following support:
509
  
510
  return 0;
511
}
512
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
513
/* Avahi log function callback */
36 by Teddy Hogeborn
* TODO: Converted to org-mode style
514
static void empty_log(__attribute__((unused)) AvahiLogLevel level,
515
		      __attribute__((unused)) const char *txt){}
13 by Björn Påhlsson
Added following support:
516
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
517
sig_atomic_t quit_now = 0;
518
int signal_received = 0;
519
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
520
/* Called when a Mandos server is found */
36 by Teddy Hogeborn
* TODO: Converted to org-mode style
521
static int start_mandos_communication(const char *ip, uint16_t port,
24.1.9 by Björn Påhlsson
not working midwork...
522
				      AvahiIfIndex if_index,
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
523
				      int af){
13 by Björn Påhlsson
Added following support:
524
  int ret, tcp_sd;
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
525
  ssize_t sret;
304 by Teddy Hogeborn
Four new interrelated features:
526
  union {
527
    struct sockaddr_in in;
528
    struct sockaddr_in6 in6;
529
  } to;
13 by Björn Påhlsson
Added following support:
530
  char *buffer = NULL;
531
  char *decrypted_buffer;
532
  size_t buffer_length = 0;
533
  size_t buffer_capacity = 0;
534
  ssize_t decrypted_buffer_size;
24.1.10 by Björn Påhlsson
merge commit
535
  size_t written;
13 by Björn Påhlsson
Added following support:
536
  int retval = 0;
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
537
  gnutls_session_t session;
304 by Teddy Hogeborn
Four new interrelated features:
538
  int pf;			/* Protocol family */
539
  
540
  switch(af){
541
  case AF_INET6:
542
    pf = PF_INET6;
543
    break;
544
  case AF_INET:
545
    pf = PF_INET;
546
    break;
547
  default:
548
    fprintf(stderr, "Bad address family: %d\n", af);
549
    return -1;
550
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
551
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
552
  ret = init_gnutls_session(&session);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
553
  if(ret != 0){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
554
    return -1;
555
  }
556
  
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
557
  if(debug){
304 by Teddy Hogeborn
Four new interrelated features:
558
    fprintf(stderr, "Setting up a TCP connection to %s, port %" PRIu16
60 by Teddy Hogeborn
* mandos-client.c (main): Cast pid_t to unsigned int before printing.
559
	    "\n", ip, port);
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
560
  }
13 by Björn Påhlsson
Added following support:
561
  
304 by Teddy Hogeborn
Four new interrelated features:
562
  tcp_sd = socket(pf, SOCK_STREAM, 0);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
563
  if(tcp_sd < 0){
13 by Björn Påhlsson
Added following support:
564
    perror("socket");
565
    return -1;
566
  }
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
567
  
84 by Teddy Hogeborn
* Makefile (DOCBOOKTOMAN): Use the local manpages/docbook.xsl file, do
568
  memset(&to, 0, sizeof(to));
304 by Teddy Hogeborn
Four new interrelated features:
569
  if(af == AF_INET6){
325 by Teddy Hogeborn
* plugins.d/mandos-client.c (start_mandos_communication): "sin6_family"
570
    to.in6.sin6_family = (sa_family_t)af;
304 by Teddy Hogeborn
Four new interrelated features:
571
    ret = inet_pton(af, ip, &to.in6.sin6_addr);
572
  } else {			/* IPv4 */
573
    to.in.sin_family = (sa_family_t)af;
574
    ret = inet_pton(af, ip, &to.in.sin_addr);
575
  }
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
576
  if(ret < 0 ){
13 by Björn Påhlsson
Added following support:
577
    perror("inet_pton");
578
    return -1;
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
579
  }
13 by Björn Påhlsson
Added following support:
580
  if(ret == 0){
581
    fprintf(stderr, "Bad address: %s\n", ip);
582
    return -1;
583
  }
304 by Teddy Hogeborn
Four new interrelated features:
584
  if(af == AF_INET6){
585
    to.in6.sin6_port = htons(port); /* Spurious warnings from
586
				       -Wconversion and
587
				       -Wunreachable-code */
588
    
589
    if(IN6_IS_ADDR_LINKLOCAL /* Spurious warnings from */
590
       (&to.in6.sin6_addr)){ /* -Wstrict-aliasing=2 or lower and
591
			      -Wunreachable-code*/
592
      if(if_index == AVAHI_IF_UNSPEC){
593
	fprintf(stderr, "An IPv6 link-local address is incomplete"
594
		" without a network interface\n");
595
	return -1;
596
      }
597
      /* Set the network interface number as scope */
598
      to.in6.sin6_scope_id = (uint32_t)if_index;
599
    }
600
  } else {
601
    to.in.sin_port = htons(port); /* Spurious warnings from
267 by Teddy Hogeborn
* plugins.d/mandos-client.c: Only comment changes.
602
				     -Wconversion and
603
				     -Wunreachable-code */
304 by Teddy Hogeborn
Four new interrelated features:
604
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
605
  
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
606
  if(debug){
304 by Teddy Hogeborn
Four new interrelated features:
607
    if(af == AF_INET6 and if_index != AVAHI_IF_UNSPEC){
608
      char interface[IF_NAMESIZE];
609
      if(if_indextoname((unsigned int)if_index, interface) == NULL){
610
	perror("if_indextoname");
611
      } else {
612
	fprintf(stderr, "Connection to: %s%%%s, port %" PRIu16 "\n",
613
		ip, interface, port);
614
      }
615
    } else {
616
      fprintf(stderr, "Connection to: %s, port %" PRIu16 "\n", ip,
617
	      port);
618
    }
619
    char addrstr[(INET_ADDRSTRLEN > INET6_ADDRSTRLEN) ?
620
		 INET_ADDRSTRLEN : INET6_ADDRSTRLEN] = "";
621
    const char *pcret;
622
    if(af == AF_INET6){
623
      pcret = inet_ntop(af, &(to.in6.sin6_addr), addrstr,
624
			sizeof(addrstr));
625
    } else {
626
      pcret = inet_ntop(af, &(to.in.sin_addr), addrstr,
627
			sizeof(addrstr));
628
    }
629
    if(pcret == NULL){
37 by Teddy Hogeborn
Non-tested commit for merge purposes.
630
      perror("inet_ntop");
631
    } else {
632
      if(strcmp(addrstr, ip) != 0){
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
633
	fprintf(stderr, "Canonical address form: %s\n", addrstr);
37 by Teddy Hogeborn
Non-tested commit for merge purposes.
634
      }
635
    }
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
636
  }
13 by Björn Påhlsson
Added following support:
637
  
304 by Teddy Hogeborn
Four new interrelated features:
638
  if(af == AF_INET6){
639
    ret = connect(tcp_sd, &to.in6, sizeof(to));
640
  } else {
641
    ret = connect(tcp_sd, &to.in, sizeof(to)); /* IPv4 */
642
  }
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
643
  if(ret < 0){
13 by Björn Påhlsson
Added following support:
644
    perror("connect");
645
    return -1;
646
  }
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
647
  
24.1.12 by Björn Påhlsson
merge +
648
  const char *out = mandos_protocol_version;
24.1.10 by Björn Påhlsson
merge commit
649
  written = 0;
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
650
  while(true){
24.1.10 by Björn Påhlsson
merge commit
651
    size_t out_size = strlen(out);
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
652
    ret = (int)TEMP_FAILURE_RETRY(write(tcp_sd, out + written,
24.1.10 by Björn Påhlsson
merge commit
653
				   out_size - written));
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
654
    if(ret == -1){
24.1.10 by Björn Påhlsson
merge commit
655
      perror("write");
656
      retval = -1;
24.1.12 by Björn Påhlsson
merge +
657
      goto mandos_end;
24.1.10 by Björn Påhlsson
merge commit
658
    }
24.1.12 by Björn Påhlsson
merge +
659
    written += (size_t)ret;
24.1.10 by Björn Påhlsson
merge commit
660
    if(written < out_size){
661
      continue;
662
    } else {
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
663
      if(out == mandos_protocol_version){
24.1.10 by Björn Påhlsson
merge commit
664
	written = 0;
665
	out = "\r\n";
666
      } else {
667
	break;
668
      }
669
    }
670
  }
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
671
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
672
  if(debug){
673
    fprintf(stderr, "Establishing TLS session with %s\n", ip);
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
674
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
675
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
676
  gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t) tcp_sd);
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
677
  
24.1.29 by Björn Påhlsson
Added more header file comments
678
  do{
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
679
    ret = gnutls_handshake(session);
24.1.29 by Björn Påhlsson
Added more header file comments
680
  } while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
13 by Björn Påhlsson
Added following support:
681
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
682
  if(ret != GNUTLS_E_SUCCESS){
25 by Teddy Hogeborn
* mandos-clients.conf ([DEFAULT]): New section.
683
    if(debug){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
684
      fprintf(stderr, "*** GnuTLS Handshake failed ***\n");
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
685
      gnutls_perror(ret);
25 by Teddy Hogeborn
* mandos-clients.conf ([DEFAULT]): New section.
686
    }
13 by Björn Påhlsson
Added following support:
687
    retval = -1;
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
688
    goto mandos_end;
13 by Björn Påhlsson
Added following support:
689
  }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
690
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
691
  /* Read OpenPGP packet that contains the wanted password */
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
692
  
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
693
  if(debug){
304 by Teddy Hogeborn
Four new interrelated features:
694
    fprintf(stderr, "Retrieving OpenPGP encrypted password from %s\n",
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
695
	    ip);
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
696
  }
143 by Teddy Hogeborn
* Makefile (mandos.8): Add dependency on "overview.xml" and
697
  
13 by Björn Påhlsson
Added following support:
698
  while(true){
24.1.132 by Björn Påhlsson
Fixed a bug in fallback handling
699
    buffer_capacity = incbuffer(&buffer, buffer_length,
42 by Teddy Hogeborn
* plugins.d/mandosclient.c (start_mandos_communication): Change "to"
700
				   buffer_capacity);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
701
    if(buffer_capacity == 0){
24.1.132 by Björn Påhlsson
Fixed a bug in fallback handling
702
      perror("incbuffer");
24.1.10 by Björn Påhlsson
merge commit
703
      retval = -1;
24.1.12 by Björn Påhlsson
merge +
704
      goto mandos_end;
13 by Björn Påhlsson
Added following support:
705
    }
706
    
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
707
    sret = gnutls_record_recv(session, buffer+buffer_length,
708
			      BUFFER_SIZE);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
709
    if(sret == 0){
13 by Björn Påhlsson
Added following support:
710
      break;
711
    }
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
712
    if(sret < 0){
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
713
      switch(sret){
13 by Björn Påhlsson
Added following support:
714
      case GNUTLS_E_INTERRUPTED:
715
      case GNUTLS_E_AGAIN:
716
	break;
717
      case GNUTLS_E_REHANDSHAKE:
24.1.29 by Björn Påhlsson
Added more header file comments
718
	do{
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
719
	  ret = gnutls_handshake(session);
24.1.29 by Björn Påhlsson
Added more header file comments
720
	} while(ret == GNUTLS_E_AGAIN or ret == GNUTLS_E_INTERRUPTED);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
721
	if(ret < 0){
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
722
	  fprintf(stderr, "*** GnuTLS Re-handshake failed ***\n");
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
723
	  gnutls_perror(ret);
13 by Björn Påhlsson
Added following support:
724
	  retval = -1;
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
725
	  goto mandos_end;
13 by Björn Påhlsson
Added following support:
726
	}
727
	break;
728
      default:
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
729
	fprintf(stderr, "Unknown error while reading data from"
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
730
		" encrypted session with Mandos server\n");
13 by Björn Påhlsson
Added following support:
731
	retval = -1;
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
732
	gnutls_bye(session, GNUTLS_SHUT_RDWR);
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
733
	goto mandos_end;
13 by Björn Påhlsson
Added following support:
734
      }
735
    } else {
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
736
      buffer_length += (size_t) sret;
13 by Björn Påhlsson
Added following support:
737
    }
738
  }
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
739
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
740
  if(debug){
741
    fprintf(stderr, "Closing TLS session\n");
742
  }
743
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
744
  gnutls_bye(session, GNUTLS_SHUT_RDWR);
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
745
  
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
746
  if(buffer_length > 0){
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
747
    decrypted_buffer_size = pgp_packet_decrypt(buffer,
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
748
					       buffer_length,
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
749
					       &decrypted_buffer);
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
750
    if(decrypted_buffer_size >= 0){
24.1.10 by Björn Påhlsson
merge commit
751
      written = 0;
28 by Teddy Hogeborn
* server.conf: New file.
752
      while(written < (size_t) decrypted_buffer_size){
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
753
	ret = (int)fwrite(decrypted_buffer + written, 1,
754
			  (size_t)decrypted_buffer_size - written,
755
			  stdout);
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
756
	if(ret == 0 and ferror(stdout)){
757
	  if(debug){
758
	    fprintf(stderr, "Error writing encrypted data: %s\n",
759
		    strerror(errno));
760
	  }
761
	  retval = -1;
762
	  break;
763
	}
22 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Cast "0" argument to
764
	written += (size_t)ret;
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
765
      }
13 by Björn Påhlsson
Added following support:
766
      free(decrypted_buffer);
15.1.1 by Björn Påhlsson
Added debugg support in form off --debug and --debug=mandosclient
767
    } else {
768
      retval = -1;
13 by Björn Påhlsson
Added following support:
769
    }
24.1.63 by Björn Påhlsson
merge + fallback bugg
770
  } else {
771
    retval = -1;
13 by Björn Påhlsson
Added following support:
772
  }
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
773
  
774
  /* Shutdown procedure */
775
  
776
 mandos_end:
13 by Björn Påhlsson
Added following support:
777
  free(buffer);
257.1.2 by Mooie
Fixed warnings in the 64 bit build. Added explicit cast to int for
778
  ret = (int)TEMP_FAILURE_RETRY(close(tcp_sd));
24.1.81 by Björn Påhlsson
removed keyring pre-requirement for starting password-request.
779
  if(ret == -1){
780
    perror("close");
781
  }
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
782
  gnutls_deinit(session);
13 by Björn Påhlsson
Added following support:
783
  return retval;
784
}
785
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
786
static void resolve_callback(AvahiSServiceResolver *r,
787
			     AvahiIfIndex interface,
304 by Teddy Hogeborn
Four new interrelated features:
788
			     AvahiProtocol proto,
39 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.
789
			     AvahiResolverEvent event,
790
			     const char *name,
791
			     const char *type,
792
			     const char *domain,
793
			     const char *host_name,
794
			     const AvahiAddress *address,
795
			     uint16_t port,
796
			     AVAHI_GCC_UNUSED AvahiStringList *txt,
797
			     AVAHI_GCC_UNUSED AvahiLookupResultFlags
798
			     flags,
307 by Teddy Hogeborn
Merge from Björn:
799
			     AVAHI_GCC_UNUSED void* userdata){
84 by Teddy Hogeborn
* Makefile (DOCBOOKTOMAN): Use the local manpages/docbook.xsl file, do
800
  assert(r);
22 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Cast "0" argument to
801
  
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
802
  /* Called whenever a service has been resolved successfully or
803
     timed out */
22 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Cast "0" argument to
804
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
805
  if(quit_now){
806
    return;
807
  }
808
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
809
  switch(event){
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
810
  default:
811
  case AVAHI_RESOLVER_FAILURE:
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
812
    fprintf(stderr, "(Avahi Resolver) Failed to resolve service '%s'"
813
	    " of type '%s' in domain '%s': %s\n", name, type, domain,
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
814
	    avahi_strerror(avahi_server_errno(mc.server)));
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
815
    break;
22 by Teddy Hogeborn
* plugins.d/mandosclient.c (pgp_packet_decrypt): Cast "0" argument to
816
    
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
817
  case AVAHI_RESOLVER_FOUND:
818
    {
819
      char ip[AVAHI_ADDRESS_STR_MAX];
820
      avahi_address_snprint(ip, sizeof(ip), address);
821
      if(debug){
60 by Teddy Hogeborn
* mandos-client.c (main): Cast pid_t to unsigned int before printing.
822
	fprintf(stderr, "Mandos server \"%s\" found on %s (%s, %"
268 by Teddy Hogeborn
Fixes for sscanf usage:
823
		PRIdMAX ") on port %" PRIu16 "\n", name, host_name,
824
		ip, (intmax_t)interface, port);
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
825
      }
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
826
      int ret = start_mandos_communication(ip, port, interface,
304 by Teddy Hogeborn
Four new interrelated features:
827
					   avahi_proto_to_af(proto));
266 by Teddy Hogeborn
* plugin-runner.c: Only space changes.
828
      if(ret == 0){
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
829
	avahi_simple_poll_quit(mc.simple_poll);
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
830
      }
13 by Björn Påhlsson
Added following support:
831
    }
21 by Teddy Hogeborn
* Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and
832
  }
833
  avahi_s_service_resolver_free(r);
13 by Björn Påhlsson
Added following support:
834
}
835
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
836
static void browse_callback(AvahiSServiceBrowser *b,
837
			    AvahiIfIndex interface,
838
			    AvahiProtocol protocol,
839
			    AvahiBrowserEvent event,
840
			    const char *name,
841
			    const char *type,
842
			    const char *domain,
843
			    AVAHI_GCC_UNUSED AvahiLookupResultFlags
844
			    flags,
307 by Teddy Hogeborn
Merge from Björn:
845
			    AVAHI_GCC_UNUSED void* userdata){
84 by Teddy Hogeborn
* Makefile (DOCBOOKTOMAN): Use the local manpages/docbook.xsl file, do
846
  assert(b);
24.1.9 by Björn Påhlsson
not working midwork...
847
  
848
  /* Called whenever a new services becomes available on the LAN or
849
     is removed from the LAN */
850
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
851
  switch(event){
24.1.9 by Björn Påhlsson
not working midwork...
852
  default:
853
  case AVAHI_BROWSER_FAILURE:
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
854
    
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
855
    fprintf(stderr, "(Avahi browser) %s\n",
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
856
	    avahi_strerror(avahi_server_errno(mc.server)));
857
    avahi_simple_poll_quit(mc.simple_poll);
24.1.9 by Björn Påhlsson
not working midwork...
858
    return;
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
859
    
24.1.9 by Björn Påhlsson
not working midwork...
860
  case AVAHI_BROWSER_NEW:
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
861
    /* We ignore the returned Avahi resolver object. In the callback
862
       function we free it. If the Avahi server is terminated before
863
       the callback function is called the Avahi server will free the
864
       resolver for us. */
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
865
    
313 by Teddy Hogeborn
* plugins.d/mandos-client.c (browse_callback, main): Do not require
866
    if(avahi_s_service_resolver_new(mc.server, interface, protocol,
867
				    name, type, domain, protocol, 0,
868
				    resolve_callback, NULL) == NULL)
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
869
      fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
870
	      name, avahi_strerror(avahi_server_errno(mc.server)));
24.1.9 by Björn Påhlsson
not working midwork...
871
    break;
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
872
    
24.1.9 by Björn Påhlsson
not working midwork...
873
  case AVAHI_BROWSER_REMOVE:
874
    break;
38 by Teddy Hogeborn
* plugbasedclient.c (main): New "--userid" and "--groupid" options.
875
    
24.1.9 by Björn Påhlsson
not working midwork...
876
  case AVAHI_BROWSER_ALL_FOR_NOW:
877
  case AVAHI_BROWSER_CACHE_EXHAUSTED:
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
878
    if(debug){
879
      fprintf(stderr, "No Mandos server found, still searching...\n");
880
    }
24.1.9 by Björn Påhlsson
not working midwork...
881
    break;
882
  }
13 by Björn Påhlsson
Added following support:
883
}
884
24.1.135 by Björn Påhlsson
Earlier signal handling
885
/* stop main loop after sigterm has been called */
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
886
static void handle_sigterm(int sig){
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
887
  if(quit_now){
888
    return;
889
  }
890
  quit_now = 1;
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
891
  signal_received = sig;
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
892
  int old_errno = errno;
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
893
  if(mc.simple_poll != NULL){
894
    avahi_simple_poll_quit(mc.simple_poll);
895
  }
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
896
  errno = old_errno;
897
}
898
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
899
int main(int argc, char *argv[]){
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
900
  AvahiSServiceBrowser *sb = NULL;
901
  int error;
902
  int ret;
903
  intmax_t tmpmax;
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
904
  char *tmp;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
905
  int exitcode = EXIT_SUCCESS;
906
  const char *interface = "eth0";
907
  struct ifreq network;
350 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Take down network interface on
908
  int sd = -1;
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
909
  bool take_down_interface = false;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
910
  uid_t uid;
911
  gid_t gid;
912
  char *connect_to = NULL;
913
  char tempdir[] = "/tmp/mandosXXXXXX";
914
  bool tempdir_created = false;
915
  AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
916
  const char *seckey = PATHDIR "/" SECKEY;
917
  const char *pubkey = PATHDIR "/" PUBKEY;
918
  
919
  bool gnutls_initialized = false;
920
  bool gpgme_initialized = false;
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
921
  float delay = 2.5f;
922
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
923
  struct sigaction old_sigterm_action;
924
  struct sigaction sigterm_action = { .sa_handler = handle_sigterm };
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
925
  
926
  {
927
    struct argp_option options[] = {
928
      { .name = "debug", .key = 128,
929
	.doc = "Debug mode", .group = 3 },
930
      { .name = "connect", .key = 'c',
931
	.arg = "ADDRESS:PORT",
932
	.doc = "Connect directly to a specific Mandos server",
933
	.group = 1 },
934
      { .name = "interface", .key = 'i',
935
	.arg = "NAME",
304 by Teddy Hogeborn
Four new interrelated features:
936
	.doc = "Network interface that will be used to search for"
937
	" Mandos servers",
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
938
	.group = 1 },
939
      { .name = "seckey", .key = 's',
940
	.arg = "FILE",
941
	.doc = "OpenPGP secret key file base name",
942
	.group = 1 },
943
      { .name = "pubkey", .key = 'p',
944
	.arg = "FILE",
945
	.doc = "OpenPGP public key file base name",
946
	.group = 2 },
947
      { .name = "dh-bits", .key = 129,
948
	.arg = "BITS",
949
	.doc = "Bit length of the prime number used in the"
950
	" Diffie-Hellman key exchange",
951
	.group = 2 },
952
      { .name = "priority", .key = 130,
953
	.arg = "STRING",
954
	.doc = "GnuTLS priority string for the TLS handshake",
955
	.group = 1 },
956
      { .name = "delay", .key = 131,
957
	.arg = "SECONDS",
958
	.doc = "Maximum delay to wait for interface startup",
959
	.group = 2 },
960
      { .name = NULL }
961
    };
962
    
963
    error_t parse_opt(int key, char *arg,
964
		      struct argp_state *state){
965
      switch(key){
966
      case 128:			/* --debug */
967
	debug = true;
968
	break;
969
      case 'c':			/* --connect */
970
	connect_to = arg;
971
	break;
972
      case 'i':			/* --interface */
973
	interface = arg;
974
	break;
975
      case 's':			/* --seckey */
976
	seckey = arg;
977
	break;
978
      case 'p':			/* --pubkey */
979
	pubkey = arg;
980
	break;
981
      case 129:			/* --dh-bits */
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
982
	errno = 0;
983
	tmpmax = strtoimax(arg, &tmp, 10);
984
	if(errno != 0 or tmp == arg or *tmp != '\0'
985
	   or tmpmax != (typeof(mc.dh_bits))tmpmax){
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
986
	  fprintf(stderr, "Bad number of DH bits\n");
987
	  exit(EXIT_FAILURE);
988
	}
989
	mc.dh_bits = (typeof(mc.dh_bits))tmpmax;
990
	break;
991
      case 130:			/* --priority */
992
	mc.priority = arg;
993
	break;
994
      case 131:			/* --delay */
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
995
	errno = 0;
996
	delay = strtof(arg, &tmp);
997
	if(errno != 0 or tmp == arg or *tmp != '\0'){
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
998
	  fprintf(stderr, "Bad delay\n");
999
	  exit(EXIT_FAILURE);
1000
	}
1001
	break;
1002
      case ARGP_KEY_ARG:
1003
	argp_usage(state);
1004
      case ARGP_KEY_END:
1005
	break;
1006
      default:
1007
	return ARGP_ERR_UNKNOWN;
1008
      }
1009
      return 0;
1010
    }
1011
    
1012
    struct argp argp = { .options = options, .parser = parse_opt,
1013
			 .args_doc = "",
1014
			 .doc = "Mandos client -- Get and decrypt"
1015
			 " passwords from a Mandos server" };
1016
    ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
1017
    if(ret == ARGP_ERR_UNKNOWN){
1018
      fprintf(stderr, "Unknown error while parsing arguments\n");
1019
      exitcode = EXIT_FAILURE;
1020
      goto end;
1021
    }
1022
  }
1023
  
24.1.135 by Björn Påhlsson
Earlier signal handling
1024
  if(not debug){
1025
    avahi_set_log_function(empty_log);
1026
  }
309 by Teddy Hogeborn
Merge from Björn:
1027
  
24.1.135 by Björn Påhlsson
Earlier signal handling
1028
  /* Initialize Avahi early so avahi_simple_poll_quit() can be called
1029
     from the signal handler */
1030
  /* Initialize the pseudo-RNG for Avahi */
1031
  srand((unsigned int) time(NULL));
1032
  mc.simple_poll = avahi_simple_poll_new();
1033
  if(mc.simple_poll == NULL){
1034
    fprintf(stderr, "Avahi: Failed to create simple poll object.\n");
1035
    exitcode = EXIT_FAILURE;
1036
    goto end;
1037
  }
309 by Teddy Hogeborn
Merge from Björn:
1038
  
24.1.135 by Björn Påhlsson
Earlier signal handling
1039
  sigemptyset(&sigterm_action.sa_mask);
309 by Teddy Hogeborn
Merge from Björn:
1040
  ret = sigaddset(&sigterm_action.sa_mask, SIGINT);
1041
  if(ret == -1){
1042
    perror("sigaddset");
1043
    exitcode = EXIT_FAILURE;
1044
    goto end;
1045
  }
1046
  ret = sigaddset(&sigterm_action.sa_mask, SIGHUP);
1047
  if(ret == -1){
1048
    perror("sigaddset");
1049
    exitcode = EXIT_FAILURE;
1050
    goto end;
1051
  }
24.1.135 by Björn Påhlsson
Earlier signal handling
1052
  ret = sigaddset(&sigterm_action.sa_mask, SIGTERM);
1053
  if(ret == -1){
1054
    perror("sigaddset");
1055
    exitcode = EXIT_FAILURE;
1056
    goto end;
1057
  }
357 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
1058
  /* Need to check if the handler is SIG_IGN before handling:
1059
     | [[info:libc:Initial Signal Actions]] |
1060
     | [[info:libc:Basic Signal Handling]]  |
1061
  */
1062
  ret = sigaction(SIGINT, NULL, &old_sigterm_action);
1063
  if(ret == -1){
1064
    perror("sigaction");
1065
    return EXIT_FAILURE;
1066
  }
1067
  if(old_sigterm_action.sa_handler != SIG_IGN){
1068
    ret = sigaction(SIGINT, &sigterm_action, NULL);
1069
    if(ret == -1){
1070
      perror("sigaction");
1071
      exitcode = EXIT_FAILURE;
1072
      goto end;
1073
    }
1074
  }
1075
  ret = sigaction(SIGHUP, NULL, &old_sigterm_action);
1076
  if(ret == -1){
1077
    perror("sigaction");
1078
    return EXIT_FAILURE;
1079
  }
1080
  if(old_sigterm_action.sa_handler != SIG_IGN){
1081
    ret = sigaction(SIGHUP, &sigterm_action, NULL);
1082
    if(ret == -1){
1083
      perror("sigaction");
1084
      exitcode = EXIT_FAILURE;
1085
      goto end;
1086
    }
1087
  }
1088
  ret = sigaction(SIGTERM, NULL, &old_sigterm_action);
1089
  if(ret == -1){
1090
    perror("sigaction");
1091
    return EXIT_FAILURE;
1092
  }
1093
  if(old_sigterm_action.sa_handler != SIG_IGN){
1094
    ret = sigaction(SIGTERM, &sigterm_action, NULL);
1095
    if(ret == -1){
1096
      perror("sigaction");
1097
      exitcode = EXIT_FAILURE;
1098
      goto end;
1099
    }
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
1100
  }
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1101
  
1102
  /* If the interface is down, bring it up */
304 by Teddy Hogeborn
Four new interrelated features:
1103
  if(interface[0] != '\0'){
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1104
    if_index = (AvahiIfIndex) if_nametoindex(interface);
1105
    if(if_index == 0){
1106
      fprintf(stderr, "No such interface: \"%s\"\n", interface);
1107
      exitcode = EXIT_FAILURE;
1108
      goto end;
1109
    }
1110
    
1111
    if(quit_now){
1112
      goto end;
1113
    }
1114
    
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1115
#ifdef __linux__
1116
    /* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1117
       messages to mess up the prompt */
1118
    ret = klogctl(8, NULL, 5);
304 by Teddy Hogeborn
Four new interrelated features:
1119
    bool restore_loglevel = true;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1120
    if(ret == -1){
304 by Teddy Hogeborn
Four new interrelated features:
1121
      restore_loglevel = false;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1122
      perror("klogctl");
1123
    }
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
1124
#endif	/* __linux__ */
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1125
    
1126
    sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1127
    if(sd < 0){
1128
      perror("socket");
1129
      exitcode = EXIT_FAILURE;
1130
#ifdef __linux__
304 by Teddy Hogeborn
Four new interrelated features:
1131
      if(restore_loglevel){
1132
	ret = klogctl(7, NULL, 0);
1133
	if(ret == -1){
1134
	  perror("klogctl");
1135
	}
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1136
      }
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
1137
#endif	/* __linux__ */
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1138
      goto end;
1139
    }
1140
    strcpy(network.ifr_name, interface);
1141
    ret = ioctl(sd, SIOCGIFFLAGS, &network);
1142
    if(ret == -1){
1143
      perror("ioctl SIOCGIFFLAGS");
1144
#ifdef __linux__
304 by Teddy Hogeborn
Four new interrelated features:
1145
      if(restore_loglevel){
1146
	ret = klogctl(7, NULL, 0);
1147
	if(ret == -1){
1148
	  perror("klogctl");
1149
	}
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1150
      }
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
1151
#endif	/* __linux__ */
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1152
      exitcode = EXIT_FAILURE;
1153
      goto end;
1154
    }
1155
    if((network.ifr_flags & IFF_UP) == 0){
1156
      network.ifr_flags |= IFF_UP;
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1157
      take_down_interface = true;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1158
      ret = ioctl(sd, SIOCSIFFLAGS, &network);
1159
      if(ret == -1){
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1160
	take_down_interface = false;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1161
	perror("ioctl SIOCSIFFLAGS");
1162
	exitcode = EXIT_FAILURE;
1163
#ifdef __linux__
304 by Teddy Hogeborn
Four new interrelated features:
1164
	if(restore_loglevel){
1165
	  ret = klogctl(7, NULL, 0);
1166
	  if(ret == -1){
1167
	    perror("klogctl");
1168
	  }
24.1.124 by Björn Påhlsson
Added lower kernel loglevel to reduce clutter on system console.
1169
	}
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
1170
#endif	/* __linux__ */
65 by Teddy Hogeborn
* plugins.d/password-request.c (main): Bug fix: Bring up network
1171
	goto end;
1172
      }
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1173
    }
1174
    /* sleep checking until interface is running */
1175
    for(int i=0; i < delay * 4; i++){
65 by Teddy Hogeborn
* plugins.d/password-request.c (main): Bug fix: Bring up network
1176
      ret = ioctl(sd, SIOCGIFFLAGS, &network);
1177
      if(ret == -1){
1178
	perror("ioctl SIOCGIFFLAGS");
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1179
      } else if(network.ifr_flags & IFF_RUNNING){
1180
	break;
1181
      }
1182
      struct timespec sleeptime = { .tv_nsec = 250000000 };
1183
      ret = nanosleep(&sleeptime, NULL);
1184
      if(ret == -1 and errno != EINTR){
1185
	perror("nanosleep");
1186
      }
1187
    }
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1188
    if(not take_down_interface){
1189
      /* We won't need the socket anymore */
350 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Take down network interface on
1190
      ret = (int)TEMP_FAILURE_RETRY(close(sd));
1191
      if(ret == -1){
1192
	perror("close");
1193
      }
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1194
    }
1195
#ifdef __linux__
304 by Teddy Hogeborn
Four new interrelated features:
1196
    if(restore_loglevel){
1197
      /* Restores kernel loglevel to default */
1198
      ret = klogctl(7, NULL, 0);
1199
      if(ret == -1){
1200
	perror("klogctl");
1201
      }
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1202
    }
308 by Teddy Hogeborn
* plugin-runner.c: Comment change.
1203
#endif	/* __linux__ */
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1204
  }
1205
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1206
  if(quit_now){
1207
    goto end;
1208
  }
1209
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1210
  uid = getuid();
1211
  gid = getgid();
1212
  
304 by Teddy Hogeborn
Four new interrelated features:
1213
  errno = 0;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1214
  setgid(gid);
1215
  if(ret == -1){
1216
    perror("setgid");
1217
  }
1218
  
1219
  ret = setuid(uid);
1220
  if(ret == -1){
1221
    perror("setuid");
1222
  }
1223
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1224
  if(quit_now){
1225
    goto end;
1226
  }
1227
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
1228
  ret = init_gnutls_global(pubkey, seckey);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1229
  if(ret == -1){
1230
    fprintf(stderr, "init_gnutls_global failed\n");
1231
    exitcode = EXIT_FAILURE;
1232
    goto end;
1233
  } else {
1234
    gnutls_initialized = true;
1235
  }
1236
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1237
  if(quit_now){
1238
    goto end;
1239
  }
1240
  
1241
  tempdir_created = true;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1242
  if(mkdtemp(tempdir) == NULL){
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1243
    tempdir_created = false;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1244
    perror("mkdtemp");
1245
    goto end;
1246
  }
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1247
  
1248
  if(quit_now){
1249
    goto end;
1250
  }
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1251
  
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
1252
  if(not init_gpgme(pubkey, seckey, tempdir)){
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1253
    fprintf(stderr, "init_gpgme failed\n");
1254
    exitcode = EXIT_FAILURE;
1255
    goto end;
1256
  } else {
1257
    gpgme_initialized = true;
1258
  }
1259
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1260
  if(quit_now){
1261
    goto end;
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1262
  }
1263
  
1264
  if(connect_to != NULL){
1265
    /* Connect directly, do not use Zeroconf */
1266
    /* (Mainly meant for debugging) */
1267
    char *address = strrchr(connect_to, ':');
1268
    if(address == NULL){
1269
      fprintf(stderr, "No colon in address\n");
1270
      exitcode = EXIT_FAILURE;
1271
      goto end;
1272
    }
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1273
    
1274
    if(quit_now){
1275
      goto end;
1276
    }
1277
    
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1278
    uint16_t port;
311 by Teddy Hogeborn
Overflows are not detected by sscanf(), so stop using it:
1279
    errno = 0;
1280
    tmpmax = strtoimax(address+1, &tmp, 10);
1281
    if(errno != 0 or tmp == address+1 or *tmp != '\0'
1282
       or tmpmax != (uint16_t)tmpmax){
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1283
      fprintf(stderr, "Bad port number\n");
1284
      exitcode = EXIT_FAILURE;
1285
      goto end;
1286
    }
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1287
  
1288
    if(quit_now){
1289
      goto end;
1290
    }
1291
    
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1292
    port = (uint16_t)tmpmax;
1293
    *address = '\0';
1294
    address = connect_to;
304 by Teddy Hogeborn
Four new interrelated features:
1295
    /* Colon in address indicates IPv6 */
1296
    int af;
1297
    if(strchr(address, ':') != NULL){
1298
      af = AF_INET6;
1299
    } else {
1300
      af = AF_INET;
1301
    }
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1302
    
1303
    if(quit_now){
1304
      goto end;
1305
    }
1306
    
307 by Teddy Hogeborn
Merge from Björn:
1307
    ret = start_mandos_communication(address, port, if_index, af);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1308
    if(ret < 0){
1309
      exitcode = EXIT_FAILURE;
1310
    } else {
1311
      exitcode = EXIT_SUCCESS;
1312
    }
1313
    goto end;
1314
  }
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1315
  
1316
  if(quit_now){
1317
    goto end;
1318
  }
1319
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1320
  {
1321
    AvahiServerConfig config;
1322
    /* Do not publish any local Zeroconf records */
1323
    avahi_server_config_init(&config);
1324
    config.publish_hinfo = 0;
1325
    config.publish_addresses = 0;
1326
    config.publish_workstation = 0;
1327
    config.publish_domain = 0;
1328
    
1329
    /* Allocate a new server */
1330
    mc.server = avahi_server_new(avahi_simple_poll_get
1331
				 (mc.simple_poll), &config, NULL,
1332
				 NULL, &error);
1333
    
1334
    /* Free the Avahi configuration data */
1335
    avahi_server_config_free(&config);
1336
  }
1337
  
1338
  /* Check if creating the Avahi server object succeeded */
1339
  if(mc.server == NULL){
1340
    fprintf(stderr, "Failed to create Avahi server: %s\n",
1341
	    avahi_strerror(error));
1342
    exitcode = EXIT_FAILURE;
1343
    goto end;
1344
  }
1345
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1346
  if(quit_now){
1347
    goto end;
1348
  }
1349
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1350
  /* Create the Avahi service browser */
1351
  sb = avahi_s_service_browser_new(mc.server, if_index,
313 by Teddy Hogeborn
* plugins.d/mandos-client.c (browse_callback, main): Do not require
1352
				   AVAHI_PROTO_UNSPEC, "_mandos._tcp",
24.1.134 by Björn Påhlsson
plugin-runner: Added support for empty string arguments
1353
				   NULL, 0, browse_callback, NULL);
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1354
  if(sb == NULL){
1355
    fprintf(stderr, "Failed to create service browser: %s\n",
1356
	    avahi_strerror(avahi_server_errno(mc.server)));
1357
    exitcode = EXIT_FAILURE;
1358
    goto end;
1359
  }
307 by Teddy Hogeborn
Merge from Björn:
1360
  
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1361
  if(quit_now){
1362
    goto end;
1363
  }
1364
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1365
  /* Run the main loop */
1366
  
1367
  if(debug){
1368
    fprintf(stderr, "Starting Avahi loop search\n");
1369
  }
1370
  
1371
  avahi_simple_poll_loop(mc.simple_poll);
1372
  
40 by Teddy Hogeborn
* plugins.d/mandosclient.c (initgnutls): Moved "err" variable into its
1373
 end:
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1374
  
1375
  if(debug){
1376
    fprintf(stderr, "%s exiting\n", argv[0]);
1377
  }
1378
  
1379
  /* Cleanup things */
1380
  if(sb != NULL)
1381
    avahi_s_service_browser_free(sb);
1382
  
1383
  if(mc.server != NULL)
1384
    avahi_server_free(mc.server);
1385
  
1386
  if(mc.simple_poll != NULL)
1387
    avahi_simple_poll_free(mc.simple_poll);
1388
  
1389
  if(gnutls_initialized){
1390
    gnutls_certificate_free_credentials(mc.cred);
1391
    gnutls_global_deinit();
1392
    gnutls_dh_params_deinit(mc.dh_params);
1393
  }
1394
  
1395
  if(gpgme_initialized){
1396
    gpgme_release(mc.ctx);
1397
  }
1398
  
350 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Take down network interface on
1399
  /* Take down the network interface */
353 by Teddy Hogeborn
* plugins.d/mandos-client.c (quit_now): Move up declaration before
1400
  if(take_down_interface){
350 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Take down network interface on
1401
    ret = ioctl(sd, SIOCGIFFLAGS, &network);
1402
    if(ret == -1){
1403
      perror("ioctl SIOCGIFFLAGS");
1404
    } else if(network.ifr_flags & IFF_UP) {
1405
      network.ifr_flags &= ~IFF_UP; /* clear flag */
1406
      ret = ioctl(sd, SIOCSIFFLAGS, &network);
1407
      if(ret == -1){
1408
	perror("ioctl SIOCSIFFLAGS");
1409
      }
1410
    }
1411
    ret = (int)TEMP_FAILURE_RETRY(close(sd));
1412
    if(ret == -1){
1413
      perror("close");
1414
    }
1415
  }
1416
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1417
  /* Removes the temp directory used by GPGME */
1418
  if(tempdir_created){
1419
    DIR *d;
1420
    struct dirent *direntry;
1421
    d = opendir(tempdir);
1422
    if(d == NULL){
1423
      if(errno != ENOENT){
1424
	perror("opendir");
1425
      }
1426
    } else {
1427
      while(true){
1428
	direntry = readdir(d);
1429
	if(direntry == NULL){
1430
	  break;
1431
	}
1432
	/* Skip "." and ".." */
1433
	if(direntry->d_name[0] == '.'
1434
	   and (direntry->d_name[1] == '\0'
1435
		or (direntry->d_name[1] == '.'
1436
		    and direntry->d_name[2] == '\0'))){
1437
	  continue;
1438
	}
1439
	char *fullname = NULL;
1440
	ret = asprintf(&fullname, "%s/%s", tempdir,
1441
		       direntry->d_name);
1442
	if(ret < 0){
1443
	  perror("asprintf");
1444
	  continue;
1445
	}
1446
	ret = remove(fullname);
1447
	if(ret == -1){
1448
	  fprintf(stderr, "remove(\"%s\"): %s\n", fullname,
1449
		  strerror(errno));
1450
	}
1451
	free(fullname);
1452
      }
1453
      closedir(d);
1454
    }
1455
    ret = rmdir(tempdir);
1456
    if(ret == -1 and errno != ENOENT){
1457
      perror("rmdir");
1458
    }
1459
  }
1460
  
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
1461
  if(quit_now){
357 by Teddy Hogeborn
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
1462
    sigemptyset(&old_sigterm_action.sa_mask);
1463
    old_sigterm_action.sa_handler = SIG_DFL;
354 by Teddy Hogeborn
* plugins.d/mandos-client.c (signal_received): New.
1464
    ret = sigaction(signal_received, &old_sigterm_action, NULL);
1465
    if(ret == -1){
1466
      perror("sigaction");
1467
    }
1468
    raise(signal_received);
1469
  }
1470
  
293 by Teddy Hogeborn
* plugin-runner.c: Whitespace changes only.
1471
  return exitcode;
13 by Björn Påhlsson
Added following support:
1472
}