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findcon - Online in the Cloud

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findcon - SELinux file context search tool




findcon allows the user to search for files with a specified context. Results can be
filtered by object class as described below.


The findcon tool operates upon a file context list source. There are three valid file
context lists.

If FCLIST is a name of a directory then begin the search at that directory and
recurse within it. Be sure there are no circular mounts within it.

If FCLIST is the name of a file_contexts file (e.g.,
/etc/selinux/strict/contexts/files/file_contexts) then open that file and find
matching entries.

If FCLIST is the name of a database as created by a previous run of indexcon or
apol then open the database and execute queries into it.


The following options allow the user to specify which files to print. A file must meet
all specified criteria. If no expression is provided, all files are printed.

-t TYPE, --type=TYPE
Search for files with a context containing the type TYPE.

-u USER, --user=USER
Search for files with a context containing the user USER.

-r ROLE, --role=ROLE
Search for files with a context containing the role ROLE.

-m RANGE, --mls-range=RANGE
Search for files with a context with the MLS range of RANGE. Note that findcon
ignores the SELinux translation library, if present. In addition, this flag is
ignored if the FCLIST has no MLS information.

Search for files matching this partial context. This flag overrides -t, -u, -r,
and -m.

-p PATH, --path=PATH
Search for files which include PATH.

-c CLASS, --class=CLASS
Search only files of object class CLASS.


The following additional options are available.

-R, --regex
Search using regular expressions instead of exact string matching. This option
does not affect the --class flag.

-h, --help
Print help information and exit.

-V, --version
Print version information and exit.


The --context flag specifies a partial context, which is a a colon separated list of user,
role, and type. If the system supports MLS, the context may have a fourth field that
gives the range. If a field is not specified or is the literal asterisk, then the query
will always match the field.


Valid object class strings are

block, char, dir, fifo, file, link, or sock.


The findcon utility always operates on "raw" SELinux file contexts. If the system has an
installed translation library (i.e., libsetrans), those translations are ignored in favor
of reading the original contexts from the filesystem (if FCFILE is a directory).


findcon .
Find every context in the current directory and all of its subdirectories.

findcon -u user_u .
Find every context whose user is user_u in the current directory and all

findcon -u system_u -t bin_t file_contexts
Find entries user system_u and type bin_t within a file_contexts file, assuming
that file_contexts is a file contexts file.

findcon --context=system_u::bin_t file_contexts
This is equivalent to the previous example.

findcon --context=system_u:*:bin_t:* file_contexts
This is also equivalent to the above example.

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