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Man Pages


Manual Reference Pages  -  MUNGE (1)

NAME

munge - MUNGE credential encoder

CONTENTS

Synopsis
Description
Options
Author
Copyright

SYNOPSIS

munge [OPTION]...

DESCRIPTION

The munge program creates an MUNGE credential containing the UID and GID of the calling process. Additional payload data can be encapsulated in as well. The returned credential can be passed to another process which can validate its contents (e.g., via the unmunge program). This allows an unrelated and potentially remote process to ascertain the identity of the calling process.

By default, payload input is read from stdin and the credential is written to stdout.

OPTIONS

-h, --help
  Display a summary of the command-line options.
-L, --license
  Display license information.
-V, --version
  Display version information.
-n, --no-input
  Discard all input for the payload.
-s, --string string
  Input payload from the specified string.
-i, --input file
  Input payload from the specified file.
-o, --output file
  Output the credential to the specified file.
-c, --cipher string
  Specify the cipher type, either by name or number.
-C, --list-ciphers
  Display a list of supported cipher types.
-m, --mac string
  Specify the MAC type, either by name or number.
-M, --list-macs
  Display a list of supported MAC types.
-z, --zip string
  Specify the compression type, either by name or number.
-Z, --list-zips
  Display a list of supported compression types.
-u, --restrict-uid uid
  Specify the user name or UID allowed to decode the credential. This will be matched against the effective user ID of the process requesting the credential decode.
-U, --uid uid
  Specify the user name or UID under which to request the credential. This requires root privileges or the CAP_SETUID capability.
-g, --restrict-gid gid
  Specify the group name or GID allowed to decode the credential. This will be matched against the effective group ID of the process requesting the credential decode, as well as each supplementary group of which the effective user ID of that process is a member.
-G, --gid gid
  Specify the group name or GID under which to request the credential. This requires root privileges or the CAP_SETGID capability.
-t, --ttl integer
  Specify the time-to-live (in seconds). This controls how long the credential is valid once it has been encoded. A value of 0 selects the default TTL. A value of -1 selects the maximum allowed TTL.
-S, --socket path
  Specify the local domain socket for connecting with munged.

EXIT STATUS

The munge program returns a zero exit code when the credential is successfully created and returned. On error, it prints an error message to stderr and returns a non-zero exit code.

AUTHOR

Chris Dunlap <cdunlap@llnl.gov>

COPYRIGHT

Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC.
Copyright (C) 2002-2007 The Regents of the University of California.

MUNGE is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Additionally for the MUNGE library (libmunge), you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

SEE ALSO

remunge(1), unmunge(1), munge(3), munge_ctx(3), munge_enum(3), munge(7), munged(8).

https://munge.googlecode.com/

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munge-0.5.11 MUNGE (1) 2013-08-27

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