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Viewing changes to plugin-runner.c

  • Committer: Teddy Hogeborn
  • Date: 2016-03-19 04:21:00 UTC
  • Revision ID: teddy@recompile.se-20160319042100-i581cfv65r934dnl
Client: Make plugin helper override directory mode u=rwx,go=

Even though it currently is not used, a local administrator might use
setuid (or setcap) executables as plugin helpers.  Thus, the plugin
helper override directory (/etc/mandos/plugin-helpers) must be
secured, just as the plugin override directory (/etc/mandos/plugins.d)
is.

* Makefile (install-client-nokey): Install plugin-helper directory as
                                   mode u=rwx.
* debian/mandos-client.lintian-overrides: Do not warn about
                               permissions on plugin helper directory.
* debian/mandos-client.postinst (configure): Fix permissions on plugin
  helper local override directory (/etc/mandos/plugin-helpers), but
  only if not listed by "dpkg-statoverride".

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plugin-runner.c
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#include <sys/select.h>         /* fd_set, select(), FD_ZERO(),
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                                   FD_SET(), FD_ISSET(), FD_CLR */
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#include <sys/wait.h>           /* wait(), waitpid(), WIFEXITED(),
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                                   WEXITSTATUS(), WTERMSIG(),
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                                   WCOREDUMP() */
 
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                                   WEXITSTATUS(), WTERMSIG() */
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#include <sys/stat.h>           /* struct stat, fstat(), S_ISREG() */
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#include <iso646.h>             /* and, or, not */
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#include <dirent.h>             /* struct dirent, scandirat() */
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                      (intmax_t) (proc->pid),
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                      WTERMSIG(proc->status),
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                      strsignal(WTERMSIG(proc->status)));
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            } else if(WCOREDUMP(proc->status)){
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              fprintf(stderr, "Plugin %s [%" PRIdMAX "] dumped"
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                      " core\n", proc->name, (intmax_t) (proc->pid));
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            }
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          }
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