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mcstransd(8) [centos man page]

mcstransd(8)							 mcs documentation						      mcstransd(8)

mcstransd - MCS (Multiple Category System) daemon. Translates SELinux MCS/MLS labels to human readable form. SYNOPSIS
This manual page describes the mcstransd program. This daemon reads /etc/selinux/{SELINUXTYPE}/setrans.conf and /etc/selinux/{SELINUXTYPE}/secolors.conf configuration files, and communi- cates with libselinux via a socket in /var/run/setrans. It also watches for files created in /var/run/setrans and uses the contents of these files to generate translations to the names. For example writing a file /var/run/setrans/mydomain with content of s0:c1,c2 will cause mcstrans to translate s0:c1,c2 to mydomain. AUTHOR
This man page was written by Dan Walsh <>. The program was originally written by Dan Walsh <>. The pro- gram was enhanced/rwwritten by Joe Nall <>. FILES
/etc/selinux/{SELINUXTYPE}/setrans.conf SEE ALSO
mcs(8), 16 Oct 2009 mcstransd(8)

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selinux_raw_context_to_color(3) 			     Library Functions Manual				   selinux_raw_context_to_color(3)

selinux_raw_context_to_color - Return RGB color string for an SELinux security context SYNOPSIS
#include <selinux/selinux.h> int selinux_raw_context_to_color(security_context_t raw, char **color_str); DESCRIPTION
selinux_raw_context_to_color() returns a color_str associated to the raw context raw provided that the mcstransd(8) daemon is running, the policy is an MLS type policy (MCS or MLS) and there is a color configuration file secolor.conf(5) (see the FILES section). The color_str string is a space separated list of eight hexadecimal RGB triples, each prefixed by a hash character (#). These represent the user:role:type:range components of the foreground and background colors. An example string is shown in the EXAMPLE section. The returned color_str string must be freed with free(3). If a color has not been configured for a specific user, role, type and/or range component of context raw, then selinux_raw_context_to_color() will select the color returned in color_str in order of precedence as follows: role, type, range user, type, range user, role, range user, role, type If there are no entries in the secolor.conf(5) file for any of the components of context raw (or the file is not present), then the default string returned in color_str is: ----- user ---- ---- role ---- ---- type ---- ---- range ---- #000000 #ffffff #000000 #ffffff #000000 #ffffff #000000 #ffffff RETURN VALUE
On success, zero is returned. On failure, -1 is returned with errno set appropriately. ERRORS
ENOENT If the mcstransd(8) daemon is not running. FILES
selinux_raw_context_to_color() obtains the translated entry from the active policy secolor.conf(5) file as returned by selinux_colors_path(3). The file format is described in secolor.conf(5). NOTES
1. The primary use of selinux_raw_context_to_color() is to return a color that corresponds to a range, that can then be used to highlight information at different MLS levels. 2. The mcstransd(8) daemon process security level must dominate the raw security level passed to it by the selinux_raw_context_to_color() function. If not, the range color selected will be as defined by the order of precedence. EXAMPLE
selinux_raw_context_to_color() returns the foreground and background colors of the context string components (user:role:type:range) as RGB triples as follows: user : role : type : range fg bg : fg bg : fg bg : fg bg #000000 #ffffff #ffffff #000000 #d2b48c #ffa500 #000000 #008000 black white : white black : tan orange : black green SEE ALSO
selinux(8), selinux_colors_path(3), mcstransd(8), secolor.conf(5), selinux_raw_to_trans_context(3), selinux_trans_to_raw_context(3), free(3) SELinux API documentation 08 April 2011 selinux_raw_context_to_color(3)
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