1groupd_selinux(8) SELinux Policy groupd groupd_selinux(8)
2
6 groupd_selinux - Security Enhanced Linux Policy for the groupd pro‐
7 cesses
8
10 Security-Enhanced Linux secures the groupd processes via flexible
11 mandatory access control.
12 The groupd processes execute with the groupd_t SELinux type. You can
14 check if you have these processes running by executing the ps command
15 with the -Z qualifier.
16 For example:
18 ps -eZ | grep groupd_t
20
24 The groupd_t SELinux type can be entered via the groupd_exec_t file
25 type.
26 The default entrypoint paths for the groupd_t domain are the following:
28 /usr/sbin/groupd
30
32 SELinux defines process types (domains) for each process running on the
33 system
34 You can see the context of a process using the -Z option to ps
36 Policy governs the access confined processes have to files. SELinux
38 groupd policy is very flexible allowing users to setup their groupd
39 processes in as secure a method as possible.
40 The following process types are defined for groupd:
42 groupd_t
44 Note: semanage permissive -a groupd_t can be used to make the process
46 type groupd_t permissive. SELinux does not deny access to permissive
47 process types, but the AVC (SELinux denials) messages are still gener‐
48 ated.
49
52 SELinux policy is customizable based on least access required. groupd
53 policy is extremely flexible and has several booleans that allow you to
54 manipulate the policy and run groupd with the tightest access possible.
55 If you want to allow users to resolve user passwd entries directly from
59 ldap rather then using a sssd server, you must turn on the authlo‐
60 gin_nsswitch_use_ldap boolean. Disabled by default.
61 setsebool -P authlogin_nsswitch_use_ldap 1
63 If you want to allow cluster administrative cluster domains memcheck-
67 amd64- to use executable memory, you must turn on the clus‐
68 ter_use_execmem boolean. Disabled by default.
69 setsebool -P cluster_use_execmem 1
71 If you want to allow all daemons to write corefiles to /, you must turn
75 on the daemons_dump_core boolean. Disabled by default.
76 setsebool -P daemons_dump_core 1
78 If you want to enable cluster mode for daemons, you must turn on the
82 daemons_enable_cluster_mode boolean. Enabled by default.
83 setsebool -P daemons_enable_cluster_mode 1
85 If you want to allow all daemons to use tcp wrappers, you must turn on
89 the daemons_use_tcp_wrapper boolean. Disabled by default.
90 setsebool -P daemons_use_tcp_wrapper 1
92 If you want to allow all daemons the ability to read/write terminals,
96 you must turn on the daemons_use_tty boolean. Disabled by default.
97 setsebool -P daemons_use_tty 1
99 If you want to deny any process from ptracing or debugging any other
103 processes, you must turn on the deny_ptrace boolean. Enabled by
104 default.
105 setsebool -P deny_ptrace 1
107 If you want to allow any process to mmap any file on system with
111 attribute file_type, you must turn on the domain_can_mmap_files bool‐
112 ean. Enabled by default.
113 setsebool -P domain_can_mmap_files 1
115 If you want to allow all domains write to kmsg_device, while kernel is
119 executed with systemd.log_target=kmsg parameter, you must turn on the
120 domain_can_write_kmsg boolean. Disabled by default.
121 setsebool -P domain_can_write_kmsg 1
123 If you want to allow all domains to use other domains file descriptors,
127 you must turn on the domain_fd_use boolean. Enabled by default.
128 setsebool -P domain_fd_use 1
130 If you want to allow all domains to have the kernel load modules, you
134 must turn on the domain_kernel_load_modules boolean. Disabled by
135 default.
136 setsebool -P domain_kernel_load_modules 1
138 If you want to allow all domains to execute in fips_mode, you must turn
142 on the fips_mode boolean. Enabled by default.
143 setsebool -P fips_mode 1
145 If you want to enable reading of urandom for all domains, you must turn
149 on the global_ssp boolean. Disabled by default.
150 setsebool -P global_ssp 1
152 If you want to allow confined applications to run with kerberos, you
156 must turn on the kerberos_enabled boolean. Enabled by default.
157 setsebool -P kerberos_enabled 1
159 If you want to allow system to run with NIS, you must turn on the
163 nis_enabled boolean. Disabled by default.
164 setsebool -P nis_enabled 1
166 If you want to allow confined applications to use nscd shared memory,
170 you must turn on the nscd_use_shm boolean. Disabled by default.
171 setsebool -P nscd_use_shm 1
173
177 The SELinux process type groupd_t can manage files labeled with the
178 following file types. The paths listed are the default paths for these
179 file types. Note the processes UID still need to have DAC permissions.
180 cluster_conf_t
182 /etc/cluster(/.*)?
184 cluster_log
186 cluster_var_lib_t
189 /var/lib/pcsd(/.*)?
191 /var/lib/cluster(/.*)?
192 /var/lib/openais(/.*)?
193 /var/lib/pengine(/.*)?
194 /var/lib/corosync(/.*)?
195 /usr/lib/heartbeat(/.*)?
196 /var/lib/heartbeat(/.*)?
197 /var/lib/pacemaker(/.*)?
198 cluster_var_run_t
200 /var/run/crm(/.*)?
202 /var/run/cman_.*
203 /var/run/rsctmp(/.*)?
204 /var/run/aisexec.*
205 /var/run/heartbeat(/.*)?
206 /var/run/corosync-qnetd(/.*)?
207 /var/run/corosync-qdevice(/.*)?
208 /var/run/cpglockd.pid
209 /var/run/corosync.pid
210 /var/run/rgmanager.pid
211 /var/run/cluster/rgmanager.sk
212 groupd_tmpfs_t
214 groupd_var_run_t
217 /var/run/groupd.pid
219 initrc_tmp_t
221 root_t
224 /sysroot/ostree/deploy/.*-atomic.*/deploy(/.*)?
226 /
227 /initrd
228
231 SELinux requires files to have an extended attribute to define the file
232 type.
233 You can see the context of a file using the -Z option to ls
235 Policy governs the access confined processes have to these files.
237 SELinux groupd policy is very flexible allowing users to setup their
238 groupd processes in as secure a method as possible.
239 STANDARD FILE CONTEXT
241 SELinux defines the file context types for the groupd, if you wanted to
243 store files with these types in a diffent paths, you need to execute
244 the semanage command to sepecify alternate labeling and then use
245 restorecon to put the labels on disk.
246 semanage fcontext -a -t groupd_var_run_t '/srv/mygroupd_content(/.*)?'
248 restorecon -R -v /srv/mygroupd_content
249 Note: SELinux often uses regular expressions to specify labels that
251 match multiple files.
252 The following file types are defined for groupd:
254 groupd_exec_t
258 - Set files with the groupd_exec_t type, if you want to transition an
260 executable to the groupd_t domain.
261 groupd_tmpfs_t
265 - Set files with the groupd_tmpfs_t type, if you want to store groupd
267 files on a tmpfs file system.
268 groupd_var_log_t
272 - Set files with the groupd_var_log_t type, if you want to treat the
274 data as groupd var log data, usually stored under the /var/log direc‐
275 tory.
276 groupd_var_run_t
280 - Set files with the groupd_var_run_t type, if you want to store the
282 groupd files under the /run or /var/run directory.
283 Note: File context can be temporarily modified with the chcon command.
287 If you want to permanently change the file context you need to use the
288 semanage fcontext command. This will modify the SELinux labeling data‐
289 base. You will need to use restorecon to apply the labels.
290
293 semanage fcontext can also be used to manipulate default file context
294 mappings.
295 semanage permissive can also be used to manipulate whether or not a
297 process type is permissive.
298 semanage module can also be used to enable/disable/install/remove pol‐
300 icy modules.
301 semanage boolean can also be used to manipulate the booleans
303 system-config-selinux is a GUI tool available to customize SELinux pol‐
306 icy settings.
307
310 This manual page was auto-generated using sepolicy manpage .
311
314 selinux(8), groupd(8), semanage(8), restorecon(8), chcon(1), sepol‐
315 icy(8) , setsebool(8)
316groupd 19-04-25 groupd_selinux(8)