gssd_selinux(8)

1gssd_selinux(8)               SELinux Policy gssd              gssd_selinux(8)
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NAME

6       gssd_selinux - Security Enhanced Linux Policy for the gssd processes
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DESCRIPTION

9       Security-Enhanced  Linux secures the gssd processes via flexible manda‐
10       tory access control.
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12       The gssd processes execute with the gssd_t SELinux type. You can  check
13       if  you  have  these processes running by executing the ps command with
14       the -Z qualifier.
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16       For example:
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18       ps -eZ | grep gssd_t
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ENTRYPOINTS

23       The gssd_t SELinux type can be entered via the gssd_exec_t file type.
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25       The default entrypoint paths for the gssd_t domain are the following:
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27       /usr/sbin/rpc.gssd, /usr/sbin/rpc.svcgssd
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PROCESS TYPES

30       SELinux defines process types (domains) for each process running on the
31       system
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33       You can see the context of a process using the -Z option to ps
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35       Policy  governs  the  access confined processes have to files.  SELinux
36       gssd policy is very flexible allowing users to setup  their  gssd  pro‐
37       cesses in as secure a method as possible.
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39       The following process types are defined for gssd:
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41       gssd_t
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43       Note:  semanage  permissive  -a  gssd_t can be used to make the process
44       type gssd_t permissive. SELinux does  not  deny  access  to  permissive
45       process  types, but the AVC (SELinux denials) messages are still gener‐
46       ated.
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BOOLEANS

50       SELinux policy is customizable based on least  access  required.   gssd
51       policy is extremely flexible and has several booleans that allow you to
52       manipulate the policy and run gssd with the tightest access possible.
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56       If you want to allow gssd to list tmp directories and read the kerberos
57       credential  cache,  you must turn on the gssd_read_tmp boolean. Enabled
58       by default.
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60       setsebool -P gssd_read_tmp 1
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64       If you want to dontaudit all  daemons  scheduling  requests  (setsched,
65       sys_nice),  you  must turn on the daemons_dontaudit_scheduling boolean.
66       Enabled by default.
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68       setsebool -P daemons_dontaudit_scheduling 1
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72       If you want to allow all domains to execute in fips_mode, you must turn
73       on the fips_mode boolean. Enabled by default.
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75       setsebool -P fips_mode 1
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79       If  you  want  to allow confined applications to run with kerberos, you
80       must turn on the kerberos_enabled boolean. Enabled by default.
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82       setsebool -P kerberos_enabled 1
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86       If you want to allow system to run with  NIS,  you  must  turn  on  the
87       nis_enabled boolean. Disabled by default.
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89       setsebool -P nis_enabled 1
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MANAGED FILES

94       The  SELinux process type gssd_t can manage files labeled with the fol‐
95       lowing file types.  The paths listed are the default  paths  for  these
96       file types.  Note the processes UID still need to have DAC permissions.
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98       auth_cache_t
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100            /var/cache/coolkey(/.*)?
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102       cluster_conf_t
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104            /etc/cluster(/.*)?
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106       cluster_var_lib_t
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108            /var/lib/pcsd(/.*)?
109            /var/lib/cluster(/.*)?
110            /var/lib/openais(/.*)?
111            /var/lib/pengine(/.*)?
112            /var/lib/corosync(/.*)?
113            /usr/lib/heartbeat(/.*)?
114            /var/lib/heartbeat(/.*)?
115            /var/lib/pacemaker(/.*)?
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117       cluster_var_run_t
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119            /var/run/crm(/.*)?
120            /var/run/cman_.*
121            /var/run/rsctmp(/.*)?
122            /var/run/aisexec.*
123            /var/run/heartbeat(/.*)?
124            /var/run/pcsd-ruby.socket
125            /var/run/corosync-qnetd(/.*)?
126            /var/run/corosync-qdevice(/.*)?
127            /var/run/corosync.pid
128            /var/run/cpglockd.pid
129            /var/run/rgmanager.pid
130            /var/run/cluster/rgmanager.sk
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132       gssd_tmp_t
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135       krb5_host_rcache_t
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137            /var/tmp/krb5_0.rcache2
138            /var/cache/krb5rcache(/.*)?
139            /var/tmp/nfs_0
140            /var/tmp/DNS_25
141            /var/tmp/host_0
142            /var/tmp/imap_0
143            /var/tmp/HTTP_23
144            /var/tmp/HTTP_48
145            /var/tmp/ldap_55
146            /var/tmp/ldap_487
147            /var/tmp/ldapmap1_0
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149       root_t
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151            /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
152            /
153            /initrd
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155       security_t
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157            /selinux
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159       user_tmp_t
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161            /dev/shm/mono.*
162            /var/run/user/[^/]+
163            /tmp/.ICE-unix(/.*)?
164            /tmp/.X11-unix(/.*)?
165            /dev/shm/pulse-shm.*
166            /tmp/.X0-lock
167            /var/run/user
168            /tmp/hsperfdata_root
169            /var/tmp/hsperfdata_root
170            /home/[^/]+/tmp
171            /home/[^/]+/.tmp
172            /var/run/user/[0-9]+
173            /tmp/gconfd-[^/]+
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175       var_lib_nfs_t
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177            /var/lib/nfs(/.*)?
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FILE CONTEXTS

181       SELinux requires files to have an extended attribute to define the file
182       type.
183
184       You can see the context of a file using the -Z option to ls
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186       Policy governs the access  confined  processes  have  to  these  files.
187       SELinux gssd policy is very flexible allowing users to setup their gssd
188       processes in as secure a method as possible.
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190       STANDARD FILE CONTEXT
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192       SELinux defines the file context types for the gssd, if you  wanted  to
193       store  files with these types in a different paths, you need to execute
194       the semanage command to specify alternate labeling  and  then  use  re‐
195       storecon to put the labels on disk.
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197       semanage fcontext -a -t gssd_exec_t '/srv/gssd/content(/.*)?'
198       restorecon -R -v /srv/mygssd_content
199
200       Note:  SELinux  often  uses  regular expressions to specify labels that
201       match multiple files.
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203       The following file types are defined for gssd:
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207       gssd_exec_t
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209       - Set files with the gssd_exec_t type, if you want to transition an ex‐
210       ecutable to the gssd_t domain.
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213       Paths:
214            /usr/sbin/rpc.gssd, /usr/sbin/rpc.svcgssd
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217       gssd_keytab_t
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219       - Set files with the gssd_keytab_t type, if you want to treat the files
220       as kerberos keytab files.
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224       gssd_tmp_t
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226       - Set files with the gssd_tmp_t type, if you want to store gssd  tempo‐
227       rary files in the /tmp directories.
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231       Note:  File context can be temporarily modified with the chcon command.
232       If you want to permanently change the file context you need to use  the
233       semanage fcontext command.  This will modify the SELinux labeling data‐
234       base.  You will need to use restorecon to apply the labels.
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COMMANDS

238       semanage fcontext can also be used to manipulate default  file  context
239       mappings.
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241       semanage  permissive  can  also  be used to manipulate whether or not a
242       process type is permissive.
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244       semanage module can also be used to enable/disable/install/remove  pol‐
245       icy modules.
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247       semanage boolean can also be used to manipulate the booleans
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249
250       system-config-selinux is a GUI tool available to customize SELinux pol‐
251       icy settings.
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AUTHOR

255       This manual page was auto-generated using sepolicy manpage .
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