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Viewing changes to plugins.d/mandos-client.c

  • Committer: Teddy Hogeborn
  • Date: 2010-10-11 17:32:23 UTC
  • mfrom: (458 mandos-local)
  • mto: (237.4.29 release)
  • mto: This revision was merged to the branch mainline in revision 459.
  • Revision ID: teddy@fukt.bsnet.se-20101011173223-tgrfs9i3dweqt0kn
Merge from trunk.

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plugins.d/mandos-client.c
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 * "browse_callback", and parts of "main".
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 * 
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 * Everything else is
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 * Copyright © 2008-2011 Teddy Hogeborn
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 * Copyright © 2008-2011 Björn Påhlsson
 
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 * Copyright © 2008-2010 Teddy Hogeborn
 
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 * Copyright © 2008-2010 Björn Påhlsson
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 * 
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 * This program is free software: you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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#include <unistd.h>             /* close(), SEEK_SET, off_t, write(),
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                                   getuid(), getgid(), seteuid(),
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                                   setgid(), pause() */
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#include <arpa/inet.h>          /* inet_pton(), htons, inet_ntop() */
 
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#include <arpa/inet.h>          /* inet_pton(), htons */
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#include <iso646.h>             /* not, or, and */
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#include <argp.h>               /* struct argp_option, error_t, struct
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                                   argp_state, struct argp,
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  }
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  /* OpenPGP credentials */
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  ret = gnutls_certificate_allocate_credentials(&mc.cred);
 
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  gnutls_certificate_allocate_credentials(&mc.cred);
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  if(ret != GNUTLS_E_SUCCESS){
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    fprintf(stderr, "GnuTLS memory error: %s\n",
 
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    fprintf(stderr, "GnuTLS memory error: %s\n", /* Spurious warning
 
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                                                    from
 
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                                                    -Wunreachable-code
 
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                                                 */
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            safer_gnutls_strerror(ret));
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    gnutls_global_deinit();
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    return -1;
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int good_interface(const struct dirent *if_entry){
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  ssize_t ssret;
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  char *flagname = NULL;
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  if(if_entry->d_name[0] == '.'){
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    return 0;
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  }
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  int ret = asprintf(&flagname, "%s/%s/flags", sys_class_net,
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                     if_entry->d_name);
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  if(ret < 0){
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    perror("asprintf");
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    return 0;
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  }
 
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  if(if_entry->d_name[0] == '.'){
 
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    return 0;
 
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  }
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  int flags_fd = (int)TEMP_FAILURE_RETRY(open(flagname, O_RDONLY));
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  if(flags_fd == -1){
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    perror("open");
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    free(flagname);
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    return 0;
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  }
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  free(flagname);
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  typedef short ifreq_flags;    /* ifreq.ifr_flags in netdevice(7) */
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  /* read line from flags_fd */
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  ssize_t to_read = 2+(sizeof(ifreq_flags)*2)+1; /* "0x1003\n" */
 
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  ssize_t to_read = (sizeof(ifreq_flags)*2)+3; /* "0x1003\n" */
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  char *flagstring = malloc((size_t)to_read+1); /* +1 for final \0 */
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  flagstring[(size_t)to_read] = '\0';
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  if(flagstring == NULL){
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    }
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    return 0;
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  }
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  /* Reject non-ARP interfaces (including dummy interfaces) */
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  if(flags & IFF_NOARP){
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    if(debug){
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      fprintf(stderr, "Rejecting non-ARP interface \"%s\"\n",
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              if_entry->d_name);
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    }
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    return 0;
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  }
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  /* Accept this device */
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  if(debug){
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    fprintf(stderr, "Interface \"%s\" is acceptable\n",