1modemmanager_selinux(8) SELinux Policy modemmanager modemmanager_selinux(8)
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6 modemmanager_selinux - Security Enhanced Linux Policy for the modemman‐
7 ager processes
8
10 Security-Enhanced Linux secures the modemmanager processes via flexible
11 mandatory access control.
12 The modemmanager processes execute with the modemmanager_t SELinux
14 type. You can check if you have these processes running by executing
15 the ps command with the -Z qualifier.
16 For example:
18 ps -eZ | grep modemmanager_t
20
24 The modemmanager_t SELinux type can be entered via the modemman‐
25 ager_exec_t file type.
26 The default entrypoint paths for the modemmanager_t domain are the fol‐
28 lowing:
29 /usr/sbin/ModemManager, /usr/sbin/modem-manager
31
33 SELinux defines process types (domains) for each process running on the
34 system
35 You can see the context of a process using the -Z option to ps
37 Policy governs the access confined processes have to files. SELinux
39 modemmanager policy is very flexible allowing users to setup their
40 modemmanager processes in as secure a method as possible.
41 The following process types are defined for modemmanager:
43 modemmanager_t
45 Note: semanage permissive -a modemmanager_t can be used to make the
47 process type modemmanager_t permissive. SELinux does not deny access to
48 permissive process types, but the AVC (SELinux denials) messages are
49 still generated.
50
53 SELinux policy is customizable based on least access required. modem‐
54 manager policy is extremely flexible and has several booleans that
55 allow you to manipulate the policy and run modemmanager with the tight‐
56 est access possible.
57 If you want to allow all daemons to write corefiles to /, you must turn
61 on the daemons_dump_core boolean. Disabled by default.
62 setsebool -P daemons_dump_core 1
64 If you want to enable cluster mode for daemons, you must turn on the
68 daemons_enable_cluster_mode boolean. Enabled by default.
69 setsebool -P daemons_enable_cluster_mode 1
71 If you want to allow all daemons to use tcp wrappers, you must turn on
75 the daemons_use_tcp_wrapper boolean. Disabled by default.
76 setsebool -P daemons_use_tcp_wrapper 1
78 If you want to allow all daemons the ability to read/write terminals,
82 you must turn on the daemons_use_tty boolean. Disabled by default.
83 setsebool -P daemons_use_tty 1
85 If you want to deny any process from ptracing or debugging any other
89 processes, you must turn on the deny_ptrace boolean. Enabled by
90 default.
91 setsebool -P deny_ptrace 1
93 If you want to allow any process to mmap any file on system with
97 attribute file_type, you must turn on the domain_can_mmap_files bool‐
98 ean. Enabled by default.
99 setsebool -P domain_can_mmap_files 1
101 If you want to allow all domains write to kmsg_device, while kernel is
105 executed with systemd.log_target=kmsg parameter, you must turn on the
106 domain_can_write_kmsg boolean. Disabled by default.
107 setsebool -P domain_can_write_kmsg 1
109 If you want to allow all domains to use other domains file descriptors,
113 you must turn on the domain_fd_use boolean. Enabled by default.
114 setsebool -P domain_fd_use 1
116 If you want to allow all domains to have the kernel load modules, you
120 must turn on the domain_kernel_load_modules boolean. Disabled by
121 default.
122 setsebool -P domain_kernel_load_modules 1
124 If you want to allow all domains to execute in fips_mode, you must turn
128 on the fips_mode boolean. Enabled by default.
129 setsebool -P fips_mode 1
131 If you want to enable reading of urandom for all domains, you must turn
135 on the global_ssp boolean. Disabled by default.
136 setsebool -P global_ssp 1
138
142 The SELinux process type modemmanager_t can manage files labeled with
143 the following file types. The paths listed are the default paths for
144 these file types. Note the processes UID still need to have DAC per‐
145 missions.
146 cluster_conf_t
148 /etc/cluster(/.*)?
150 cluster_var_lib_t
152 /var/lib/pcsd(/.*)?
154 /var/lib/cluster(/.*)?
155 /var/lib/openais(/.*)?
156 /var/lib/pengine(/.*)?
157 /var/lib/corosync(/.*)?
158 /usr/lib/heartbeat(/.*)?
159 /var/lib/heartbeat(/.*)?
160 /var/lib/pacemaker(/.*)?
161 cluster_var_run_t
163 /var/run/crm(/.*)?
165 /var/run/cman_.*
166 /var/run/rsctmp(/.*)?
167 /var/run/aisexec.*
168 /var/run/heartbeat(/.*)?
169 /var/run/corosync-qnetd(/.*)?
170 /var/run/corosync-qdevice(/.*)?
171 /var/run/cpglockd.pid
172 /var/run/corosync.pid
173 /var/run/rgmanager.pid
174 /var/run/cluster/rgmanager.sk
175 root_t
177 /sysroot/ostree/deploy/.*-atomic.*/deploy(/.*)?
179 /
180 /initrd
181 sysfs_t
183 /sys(/.*)?
185 udev_var_run_t
187 /dev/.udev(/.*)?
189 /var/run/udev(/.*)?
190 /var/run/libgpod(/.*)?
191 /var/run/PackageKit/udev(/.*)?
192 /dev/.udevdb
193 /dev/udev.tbl
194
197 SELinux requires files to have an extended attribute to define the file
198 type.
199 You can see the context of a file using the -Z option to ls
201 Policy governs the access confined processes have to these files.
203 SELinux modemmanager policy is very flexible allowing users to setup
204 their modemmanager processes in as secure a method as possible.
205 STANDARD FILE CONTEXT
207 SELinux defines the file context types for the modemmanager, if you
209 wanted to store files with these types in a diffent paths, you need to
210 execute the semanage command to sepecify alternate labeling and then
211 use restorecon to put the labels on disk.
212 semanage fcontext -a -t modemmanager_unit_file_t '/srv/mymodemman‐
214 ager_content(/.*)?'
215 restorecon -R -v /srv/mymodemmanager_content
216 Note: SELinux often uses regular expressions to specify labels that
218 match multiple files.
219 The following file types are defined for modemmanager:
221 modemmanager_exec_t
225 - Set files with the modemmanager_exec_t type, if you want to transi‐
227 tion an executable to the modemmanager_t domain.
228 Paths:
231 /usr/sbin/ModemManager, /usr/sbin/modem-manager
232 modemmanager_unit_file_t
235 - Set files with the modemmanager_unit_file_t type, if you want to
237 treat the files as modemmanager unit content.
238 Note: File context can be temporarily modified with the chcon command.
242 If you want to permanently change the file context you need to use the
243 semanage fcontext command. This will modify the SELinux labeling data‐
244 base. You will need to use restorecon to apply the labels.
245
248 semanage fcontext can also be used to manipulate default file context
249 mappings.
250 semanage permissive can also be used to manipulate whether or not a
252 process type is permissive.
253 semanage module can also be used to enable/disable/install/remove pol‐
255 icy modules.
256 semanage boolean can also be used to manipulate the booleans
258 system-config-selinux is a GUI tool available to customize SELinux pol‐
261 icy settings.
262
265 This manual page was auto-generated using sepolicy manpage .
266
269 selinux(8), modemmanager(8), semanage(8), restorecon(8), chcon(1),
270 sepolicy(8) , setsebool(8)
271modemmanager 19-04-25 modemmanager_selinux(8)