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Viewing changes to plugins.d/password-prompt.c

  • Committer: Teddy Hogeborn
  • Date: 2009-09-05 01:05:25 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090905010525-7qeq05ztwc2ddhuv
* plugins.d/mandos-client.c (main): Do not handle ignored signals.
                                    Bug fix: remove signal handler
                                    before re-raising signal.

* plugins.d/password-prompt.c (main): Check return values from
                                      "sigaddset()".

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Lines of Context:
plugins.d/password-prompt.c
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  }
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  sigemptyset(&new_action.sa_mask);
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  sigaddset(&new_action.sa_mask, SIGINT);
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  sigaddset(&new_action.sa_mask, SIGHUP);
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  sigaddset(&new_action.sa_mask, SIGTERM);
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  ret = sigaction(SIGINT, NULL, &old_action);
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  if(ret == -1){
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    perror("sigaction");
 
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  ret = sigaddset(&new_action.sa_mask, SIGINT);
 
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  if(ret == -1){
 
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    perror("sigaddset");
 
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    return EXIT_FAILURE;
 
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  }
 
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  ret = sigaddset(&new_action.sa_mask, SIGHUP);
 
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  if(ret == -1){
 
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    perror("sigaddset");
 
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    return EXIT_FAILURE;
 
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  }
 
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  ret = sigaddset(&new_action.sa_mask, SIGTERM);
 
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  if(ret == -1){
 
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    perror("sigaddset");
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    return EXIT_FAILURE;
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  }
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  /* Need to check if the handler is SIG_IGN before handling:
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     | [[info:libc:Initial Signal Actions]] |
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     | [[info:libc:Basic Signal Handling]]  |
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  */
 
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  ret = sigaction(SIGINT, NULL, &old_action);
 
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  if(ret == -1){
 
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    perror("sigaction");
 
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    return EXIT_FAILURE;
 
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  }
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  if(old_action.sa_handler != SIG_IGN){
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    ret = sigaction(SIGINT, &new_action, NULL);
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    if(ret == -1){