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  • Committer: Teddy Hogeborn
  • Date: 2021-01-31 21:40:15 UTC
  • Revision ID: teddy@recompile.se-20210131214015-yz7ogk2mqfdfflo6
Work around Debian bug #981302

* plugin-runner.c (main): If the /dev/fd symlink is missing, create
  it.
* plugins.d/mandos-client.c (main): - '' -

Reported-By: Eero Häkkinen <+debian-bts-2021@eero.xn--hkkinen-5wa.fi>
Suggested-by: Eero Häkkinen <+debian-bts-2021@eero.xn--hkkinen-5wa.fi>
Thanks: Eero Häkkinen for bug report and analysis

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Lines of Context:
plugin-runner.c
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                                   struct stat, fstat(), close(),
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                                   setgid(), setuid(), S_ISREG(),
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                                   faccessat() pipe2(), fork(),
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                                   _exit(), dup2(), fexecve(), read()
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                                */
 
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                                   _exit(), dup2(), fexecve(), read(),
 
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                                   lstat(), symlink() */
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#include <fcntl.h>              /* fcntl(), F_GETFD, F_SETFD,
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                                   FD_CLOEXEC, openat(), scandirat(),
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                                   pipe2() */
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      }
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      close(plugindir_fd);
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    }
 
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    /* Work around Debian bug #981302
 
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       <https://bugs.debian.org/981302> */
 
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    if(lstat("/dev/fd", &st) != 0 and errno == ENOENT){
 
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      ret = symlink("/proc/self/fd", "/dev/fd");
 
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      if(ret == -1){
 
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        error(0, errno, "Failed to create /dev/fd symlink");
 
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      }
 
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    }
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  }
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  /* Lower permissions */