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  • Committer: Teddy Hogeborn
  • Date: 2018-02-18 01:29:21 UTC
  • Revision ID: teddy@recompile.se-20180218012921-itiazxid50ycv77o
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* plugin-helpers/mandos-client-iprouteadddel.c: Comment change only.

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plugins.d/mandos-client.c
9
9
 * "browse_callback", and parts of "main".
10
10
 * 
11
11
 * Everything else is
12
 
 * Copyright © 2008-2016 Teddy Hogeborn
13
 
 * Copyright © 2008-2016 Björn Påhlsson
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
 
12
 * Copyright © 2008-2018 Teddy Hogeborn
 
13
 * Copyright © 2008-2018 Björn Påhlsson
 
14
 * 
 
15
 * This file is part of Mandos.
 
16
 * 
 
17
 * Mandos is free software: you can redistribute it and/or modify it
 
18
 * under the terms of the GNU General Public License as published by
 
19
 * the Free Software Foundation, either version 3 of the License, or
 
20
 * (at your option) any later version.
 
21
 * 
 
22
 * Mandos is distributed in the hope that it will be useful, but
21
23
 * WITHOUT ANY WARRANTY; without even the implied warranty of
22
24
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23
25
 * General Public License for more details.
24
26
 * 
25
27
 * 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
 * along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
28
29
 * 
29
30
 * Contact the authors at <mandos@recompile.se>.
30
31
 */
47
48
                                   strtof(), abort() */
48
49
#include <stdbool.h>            /* bool, false, true */
49
50
#include <string.h>             /* strcmp(), strlen(), strerror(),
50
 
                                   asprintf(), strncpy() */
 
51
                                   asprintf(), strncpy(), strsignal()
 
52
                                */
51
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#include <sys/ioctl.h>          /* ioctl */
52
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#include <sys/types.h>          /* socket(), inet_pton(), sockaddr,
53
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                                   sockaddr_in6, PF_INET6,
625
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                     safer_gnutls_strerror(ret));
626
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        dhparamsfilename = NULL;
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629
      }
 
630
      free(params.data);
628
631
    } while(false);
629
632
  }
630
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  if(dhparamsfilename == NULL){
1077
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    bool match = false;
1078
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    {
1079
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      char *interface = NULL;
1080
 
      while((interface=argz_next(mc->interfaces, mc->interfaces_size,
1081
 
                                 interface))){
 
1083
      while((interface = argz_next(mc->interfaces,
 
1084
                                   mc->interfaces_size,
 
1085
                                   interface))){
1082
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        if(if_nametoindex(interface) == (unsigned int)if_index){
1083
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          match = true;
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          break;
1237
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           with an explicit route added with the server's address.
1238
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1239
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           Avahi bug reference:
1240
 
           http://lists.freedesktop.org/archives/avahi/2010-February/001833.html
 
1244
           https://lists.freedesktop.org/archives/avahi/2010-February/001833.html
1241
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           https://bugs.debian.org/587961
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        */
1243
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        if(debug){
1423
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                                               &decrypted_buffer, mc);
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    if(decrypted_buffer_size >= 0){
1425
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1430
      clearerr(stdout);
1426
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      written = 0;
1427
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      while(written < (size_t) decrypted_buffer_size){
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        if(quit_now){
1444
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        }
1445
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        written += (size_t)ret;
1446
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      }
 
1452
      ret = fflush(stdout);
 
1453
      if(ret != 0){
 
1454
        int e = errno;
 
1455
        if(debug){
 
1456
          fprintf_plus(stderr, "Error writing encrypted data: %s\n",
 
1457
                       strerror(errno));
 
1458
        }
 
1459
        errno = e;
 
1460
        goto mandos_end;
 
1461
      }
1447
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      retval = 0;
1448
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    }
1449
1464
  }
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  return retval;
1481
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}
1482
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1483
 
__attribute__((nonnull))
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static void resolve_callback(AvahiSServiceResolver *r,
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                             AvahiIfIndex interface,
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                             AvahiProtocol proto,
1909
1923
      return;
1910
1924
    }
1911
1925
  }
 
1926
  int devnull = (int)TEMP_FAILURE_RETRY(open("/dev/null", O_RDONLY));
 
1927
  if(devnull == -1){
 
1928
    perror_plus("open(\"/dev/null\", O_RDONLY)");
 
1929
    return;
 
1930
  }
1912
1931
  int numhooks = scandirat(hookdir_fd, ".", &direntries,
1913
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                           runnable_hook, alphasort);
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  if(numhooks == -1){
1915
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    perror_plus("scandir");
 
1935
    close(devnull);
1916
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    return;
1917
1937
  }
1918
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  struct dirent *direntry;
1919
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  int ret;
1920
 
  int devnull = (int)TEMP_FAILURE_RETRY(open("/dev/null", O_RDONLY));
1921
 
  if(devnull == -1){
1922
 
    perror_plus("open(\"/dev/null\", O_RDONLY)");
1923
 
    return;
1924
 
  }
1925
1940
  for(int i = 0; i < numhooks; i++){
1926
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    direntry = direntries[i];
1927
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    if(debug){
2183
2198
  
2184
2199
  /* Sleep checking until interface is running.
2185
2200
     Check every 0.25s, up to total time of delay */
2186
 
  for(int i=0; i < delay * 4; i++){
 
2201
  for(int i = 0; i < delay * 4; i++){
2187
2202
    if(interface_is_running(interface)){
2188
2203
      break;
2189
2204
    }
2485
2500
  
2486
2501
  {
2487
2502
    /* Work around Debian bug #633582:
2488
 
       <http://bugs.debian.org/633582> */
 
2503
       <https://bugs.debian.org/633582> */
2489
2504
    
2490
2505
    /* Re-raise privileges */
2491
2506
    ret = raise_privileges();
2946
2961
 end:
2947
2962
  
2948
2963
  if(debug){
2949
 
    fprintf_plus(stderr, "%s exiting\n", argv[0]);
 
2964
    if(signal_received){
 
2965
      fprintf_plus(stderr, "%s exiting due to signal %d: %s\n",
 
2966
                   argv[0], signal_received,
 
2967
                   strsignal(signal_received));
 
2968
    } else {
 
2969
      fprintf_plus(stderr, "%s exiting\n", argv[0]);
 
2970
    }
2950
2971
  }
2951
2972
  
2952
2973
  /* Cleanup things */
3004
3025
      /* Take down the network interfaces which were brought up */
3005
3026
      {
3006
3027
        char *interface = NULL;
3007
 
        while((interface=argz_next(interfaces_to_take_down,
3008
 
                                   interfaces_to_take_down_size,
3009
 
                                   interface))){
 
3028
        while((interface = argz_next(interfaces_to_take_down,
 
3029
                                     interfaces_to_take_down_size,
 
3030
                                     interface))){
3010
3031
          ret = take_down_interface(interface);
3011
3032
          if(ret != 0){
3012
3033
            errno = ret;
3041
3062
                                                | O_PATH));
3042
3063
    if(dir_fd == -1){
3043
3064
      perror_plus("open");
 
3065
      return;
3044
3066
    }
3045
3067
    int numentries = scandirat(dir_fd, ".", &direntries,
3046
3068
                               notdotentries, alphasort);
3063
3085
            clean_dir_at(dir_fd, direntries[i]->d_name, level+1);
3064
3086
            dret = 0;
3065
3087
          }
3066
 
          if(dret == -1){
 
3088
          if((dret == -1) and (errno != ENOENT)){
3067
3089
            fprintf_plus(stderr, "unlink(\"%s/%s\"): %s\n", dirname,
3068
3090
                         direntries[i]->d_name, strerror(errno));
3069
3091
          }
3073
3095
      
3074
3096
      /* need to clean even if 0 because man page doesn't specify */
3075
3097
      free(direntries);
3076
 
      if(numentries == -1){
3077
 
        perror_plus("scandirat");
3078
 
      }
3079
3098
      dret = unlinkat(base, dirname, AT_REMOVEDIR);
3080
3099
      if(dret == -1 and errno != ENOENT){
3081
3100
        perror_plus("rmdir");