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Viewing changes to plugins.d/splashy.c

  • Committer: Teddy Hogeborn
  • Date: 2009-01-23 23:17:42 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090123231742-joje60549e3qagy0
* mandos (peer_certificate): Handle NULL pointer from
                             "gnutls_certificate_get_peers" slightly
                             better.
  (TCP_handler.handle): Added some extra debug output.

  (MandosServer.GetAllClients,
  MandosServer.GetAllClientsWithProperties,
  MandosServer.RemoveClient): Added doc string.

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plugins.d/splashy.c
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                                   SIG_IGN, kill(), SIGKILL */
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#include <stddef.h>             /* NULL */
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#include <stdlib.h>             /* getenv() */
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#include <stdio.h>              /* asprintf(), perror() */
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#include <stdlib.h>             /* EXIT_FAILURE, free(), strtoul(),
 
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#include <stdio.h>              /* asprintf(), perror(), sscanf() */
 
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#include <stdlib.h>             /* EXIT_FAILURE, free(),
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                                   EXIT_SUCCESS */
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#include <sys/types.h>          /* pid_t, DIR, struct dirent,
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                                   ssize_t */
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#include <dirent.h>             /* opendir(), readdir(), closedir() */
 
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#include <inttypes.h>           /* intmax_t, SCNdMAX */
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#include <sys/stat.h>           /* struct stat, lstat(), S_ISLNK */
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#include <iso646.h>             /* not, or, and */
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#include <unistd.h>             /* readlink(), fork(), execl(),
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    for(struct dirent *proc_ent = readdir(proc_dir);
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        proc_ent != NULL;
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        proc_ent = readdir(proc_dir)){
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      pid_t pid = (pid_t) strtoul(proc_ent->d_name, NULL, 10);
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      if(pid == 0){
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        /* Not a process */
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        continue;
 
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      pid_t pid;
 
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      {
 
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        intmax_t tmpmax;
 
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        int numchars;
 
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        ret = sscanf(proc_ent->d_name, "%" SCNdMAX "%n", &tmpmax,
 
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                     &numchars);
 
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        if(ret < 1 or tmpmax != (pid_t)tmpmax
 
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           or proc_ent->d_name[numchars] != '\0'){
 
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          /* Not a process */
 
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          continue;
 
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        }
 
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        pid = (pid_t)tmpmax;
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      }
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      /* Find the executable name by doing readlink() on the
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         /proc/<pid>/exe link */
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    /* Child; will become new splashy process */
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    /* Make the effective user ID (root) the only user ID instead of
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       the real user ID (mandos) */
 
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       the real user ID (_mandos) */
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    ret = setuid(geteuid());
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    if(ret == -1){
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      perror("setuid");