iwhd_selinux(8)

1iwhd_selinux(8)               SELinux Policy iwhd              iwhd_selinux(8)
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NAME

6       iwhd_selinux - Security Enhanced Linux Policy for the iwhd processes
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DESCRIPTION

9       Security-Enhanced  Linux secures the iwhd processes via flexible manda‐
10       tory access control.
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12       The iwhd processes execute with the iwhd_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 iwhd_t
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ENTRYPOINTS

23       The iwhd_t SELinux type can be entered via the file_type,  iwhd_exec_t,
24       unlabeled_t,  proc_type,  filesystem_type,  mtrr_device_t,  sysctl_type
25       file types.
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27       The default entrypoint paths for the iwhd_t domain are the following:
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29       all files on the system, /usr/bin/iwhd, /dev/cpu/mtrr
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PROCESS TYPES

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

52       SELinux policy is customizable based on least  access  required.   iwhd
53       policy is extremely flexible and has several booleans that allow you to
54       manipulate the policy and run iwhd with the tightest access possible.
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58       If you want to allow all daemons to write corefiles to /, you must turn
59       on the allow_daemons_dump_core boolean. Disabled by default.
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61       setsebool -P allow_daemons_dump_core 1
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65       If  you want to allow all daemons to use tcp wrappers, you must turn on
66       the allow_daemons_use_tcp_wrapper boolean. Disabled by default.
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68       setsebool -P allow_daemons_use_tcp_wrapper 1
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72       If you want to allow all daemons the ability to  read/write  terminals,
73       you  must  turn  on  the  allow_daemons_use_tty  boolean.  Disabled  by
74       default.
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76       setsebool -P allow_daemons_use_tty 1
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80       If you want to allow all domains to use other domains file descriptors,
81       you must turn on the allow_domain_fd_use boolean. Enabled by default.
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83       setsebool -P allow_domain_fd_use 1
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87       If  you  want to allow unconfined executables to make their heap memory
88       executable.  Doing this is a really  bad  idea.  Probably  indicates  a
89       badly  coded  executable, but could indicate an attack. This executable
90       should be reported in bugzilla, you must  turn  on  the  allow_execheap
91       boolean. Disabled by default.
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93       setsebool -P allow_execheap 1
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97       If  you  want to allow unconfined executables to map a memory region as
98       both executable and writable, this  is  dangerous  and  the  executable
99       should  be  reported  in  bugzilla), you must turn on the allow_execmem
100       boolean. Enabled by default.
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102       setsebool -P allow_execmem 1
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106       If you want to  allow  all  unconfined  executables  to  use  libraries
107       requiring  text  relocation  that are not labeled textrel_shlib_t), you
108       must turn on the allow_execmod boolean. Enabled by default.
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110       setsebool -P allow_execmod 1
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114       If you want to allow unconfined executables to make  their  stack  exe‐
115       cutable.   This  should  never, ever be necessary. Probably indicates a
116       badly coded executable, but could indicate an attack.  This  executable
117       should  be  reported in bugzilla), you must turn on the allow_execstack
118       boolean. Enabled by default.
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120       setsebool -P allow_execstack 1
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124       If you want to allow sysadm to debug or ptrace all processes, you  must
125       turn on the allow_ptrace boolean. Disabled by default.
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127       setsebool -P allow_ptrace 1
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131       If  you  want  to enable cluster mode for daemons, you must turn on the
132       daemons_enable_cluster_mode boolean. Disabled by default.
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134       setsebool -P daemons_enable_cluster_mode 1
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138       If you want to allow all domains to have the kernel load  modules,  you
139       must  turn  on  the  domain_kernel_load_modules  boolean.  Disabled  by
140       default.
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142       setsebool -P domain_kernel_load_modules 1
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146       If you want to allow all domains to execute in fips_mode, you must turn
147       on the fips_mode boolean. Enabled by default.
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149       setsebool -P fips_mode 1
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153       If you want to enable reading of urandom for all domains, you must turn
154       on the global_ssp boolean. Disabled by default.
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156       setsebool -P global_ssp 1
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160       If you want to enable support for upstart as the init program, you must
161       turn on the init_upstart boolean. Enabled by default.
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163       setsebool -P init_upstart 1
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167       If  you  want to allow certain domains to map low memory in the kernel,
168       you must turn on the mmap_low_allowed boolean. Disabled by default.
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170       setsebool -P mmap_low_allowed 1
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174       If you want to boolean to determine whether the system permits  loading
175       policy,  setting enforcing mode, and changing boolean values.  Set this
176       to true and you have to reboot to set it back, you  must  turn  on  the
177       secure_mode_policyload boolean. Disabled by default.
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179       setsebool -P secure_mode_policyload 1
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183       If  you  want  to  support  NFS  home directories, you must turn on the
184       use_nfs_home_dirs boolean. Disabled by default.
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186       setsebool -P use_nfs_home_dirs 1
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190       If you want to support X userspace object manager, you must turn on the
191       xserver_object_manager boolean. Disabled by default.
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193       setsebool -P xserver_object_manager 1
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MANAGED FILES

198       The  SELinux process type iwhd_t can manage files labeled with the fol‐
199       lowing file types.  The paths listed are the default  paths  for  these
200       file types.  Note the processes UID still need to have DAC permissions.
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202       file_type
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204            all files on the system
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FILE CONTEXTS

208       SELinux requires files to have an extended attribute to define the file
209       type.
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211       You can see the context of a file using the -Z option to ls
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213       Policy governs the access  confined  processes  have  to  these  files.
214       SELinux iwhd policy is very flexible allowing users to setup their iwhd
215       processes in as secure a method as possible.
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217       STANDARD FILE CONTEXT
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219       SELinux defines the file context types for the iwhd, if you  wanted  to
220       store  files  with  these types in a diffent paths, you need to execute
221       the semanage command  to  sepecify  alternate  labeling  and  then  use
222       restorecon to put the labels on disk.
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224       semanage fcontext -a -t iwhd_var_run_t '/srv/myiwhd_content(/.*)?'
225       restorecon -R -v /srv/myiwhd_content
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227       Note:  SELinux  often  uses  regular expressions to specify labels that
228       match multiple files.
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230       The following file types are defined for iwhd:
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234       iwhd_exec_t
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236       - Set files with the iwhd_exec_t type, if you  want  to  transition  an
237       executable to the iwhd_t domain.
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241       iwhd_initrc_exec_t
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243       - Set files with the iwhd_initrc_exec_t type, if you want to transition
244       an executable to the iwhd_initrc_t domain.
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248       iwhd_log_t
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250       - Set files with the iwhd_log_t type, if you want to treat the data  as
251       iwhd log data, usually stored under the /var/log directory.
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255       iwhd_var_lib_t
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257       - Set files with the iwhd_var_lib_t type, if you want to store the iwhd
258       files under the /var/lib directory.
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262       iwhd_var_run_t
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264       - Set files with the iwhd_var_run_t type, if you want to store the iwhd
265       files under the /run or /var/run directory.
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269       Note:  File context can be temporarily modified with the chcon command.
270       If you want to permanently change the file context you need to use  the
271       semanage fcontext command.  This will modify the SELinux labeling data‐
272       base.  You will need to use restorecon to apply the labels.
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COMMANDS

276       semanage fcontext can also be used to manipulate default  file  context
277       mappings.
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279       semanage  permissive  can  also  be used to manipulate whether or not a
280       process type is permissive.
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282       semanage module can also be used to enable/disable/install/remove  pol‐
283       icy modules.
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285       semanage boolean can also be used to manipulate the booleans
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288       system-config-selinux is a GUI tool available to customize SELinux pol‐
289       icy settings.
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AUTHOR

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