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wine_selinux(8) SELinux Policy wine wine_selinux(8) NAME
wine_selinux - Security Enhanced Linux Policy for the wine processes DESCRIPTION
Security-Enhanced Linux secures the wine processes via flexible mandatory access control. The wine processes execute with the wine_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep wine_t ENTRYPOINTS
The wine_t SELinux type can be entered via the unlabeled_t, proc_type, file_type, wine_exec_t, mtrr_device_t, filesystem_type, sysctl_type file types. The default entrypoint paths for the wine_t domain are the following: all files on the system, /usr/bin/wine.*, /opt/teamviewer(/.*)?/bin/wine.*, /opt/google/picasa(/.*)?/bin/wdi, /opt/google/picasa(/.*)?/bin/wine.*, /opt/google/picasa(/.*)?/bin/msiexec, /opt/google/picasa(/.*)?/bin/notepad, /opt/google/picasa(/.*)?/bin/progman, /opt/google/picasa(/.*)?/bin/regedit, /opt/google/picasa(/.*)?/bin/regsvr32, /opt/google/picasa(/.*)?/Picasa3/.*exe, /opt/google/picasa(/.*)?/bin/uninstaller, /opt/cxoffice/bin/wine.*, /opt/picasa/wine/bin/wine.*, /usr/bin/msiexec, /usr/bin/notepad, /usr/bin/regedit, /usr/bin/regsvr32, /usr/bin/uninstaller, /home/[^/]*/cxoffice/bin/wine.+, /dev/cpu/mtrr PROCESS TYPES
SELinux defines process types (domains) for each process running on the system You can see the context of a process using the -Z option to ps Policy governs the access confined processes have to files. SELinux wine policy is very flexible allowing users to setup their wine pro- cesses in as secure a method as possible. The following process types are defined for wine: wine_t Note: semanage permissive -a wine_t can be used to make the process type wine_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. BOOLEANS
SELinux policy is customizable based on least access required. wine policy is extremely flexible and has several booleans that allow you to manipulate the policy and run wine with the tightest access possible. If you want to deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla, you must turn on the deny_execmem boolean. Enabled by default. setsebool -P deny_execmem 1 If you want to deny any process from ptracing or debugging any other processes, you must turn on the deny_ptrace boolean. Enabled by default. setsebool -P deny_ptrace 1 If you want to allow all domains to use other domains file descriptors, you must turn on the domain_fd_use boolean. Enabled by default. setsebool -P domain_fd_use 1 If you want to allow all domains to have the kernel load modules, you must turn on the domain_kernel_load_modules boolean. Disabled by default. setsebool -P domain_kernel_load_modules 1 If you want to allow all domains to execute in fips_mode, you must turn on the fips_mode boolean. Enabled by default. setsebool -P fips_mode 1 If you want to enable reading of urandom for all domains, you must turn on the global_ssp boolean. Disabled by default. setsebool -P global_ssp 1 If you want to control the ability to mmap a low area of the address space, as configured by /proc/sys/kernel/mmap_min_addr, you must turn on the mmap_low_allowed boolean. Disabled by default. setsebool -P mmap_low_allowed 1 If you want to disable kernel module loading, you must turn on the secure_mode_insmod boolean. Enabled by default. setsebool -P secure_mode_insmod 1 If you want to boolean to determine whether the system permits loading policy, setting enforcing mode, and changing boolean values. Set this to true and you have to reboot to set it back, you must turn on the secure_mode_policyload boolean. Enabled by default. setsebool -P secure_mode_policyload 1 If you want to allow unconfined executables to make their heap memory executable. Doing this is a really bad idea. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla, you must turn on the selin- uxuser_execheap boolean. Disabled by default. setsebool -P selinuxuser_execheap 1 If you want to allow all unconfined executables to use libraries requiring text relocation that are not labeled textrel_shlib_t, you must turn on the selinuxuser_execmod boolean. Enabled by default. setsebool -P selinuxuser_execmod 1 If you want to allow unconfined executables to make their stack executable. This should never, ever be necessary. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla, you must turn on the selin- uxuser_execstack boolean. Enabled by default. setsebool -P selinuxuser_execstack 1 If you want to support X userspace object manager, you must turn on the xserver_object_manager boolean. Enabled by default. setsebool -P xserver_object_manager 1 If you want to allow ZoneMinder to run su/sudo, you must turn on the zoneminder_run_sudo boolean. Disabled by default. setsebool -P zoneminder_run_sudo 1 MANAGED FILES
The SELinux process type wine_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions. file_type all files on the system FILE CONTEXTS
SELinux requires files to have an extended attribute to define the file type. You can see the context of a file using the -Z option to ls Policy governs the access confined processes have to these files. SELinux wine policy is very flexible allowing users to setup their wine processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the wine, if you wanted to store files with these types in a diffent paths, you need to execute the semanage command to sepecify alternate labeling and then use restorecon to put the labels on disk. semanage fcontext -a -t wine_exec_t '/srv/wine/content(/.*)?' restorecon -R -v /srv/mywine_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for wine: wine_exec_t - Set files with the wine_exec_t type, if you want to transition an executable to the wine_t domain. Paths: /usr/bin/wine.*, /opt/teamviewer(/.*)?/bin/wine.*, /opt/google/picasa(/.*)?/bin/wdi, /opt/google/picasa(/.*)?/bin/wine.*, /opt/google/picasa(/.*)?/bin/msiexec, /opt/google/picasa(/.*)?/bin/notepad, /opt/google/picasa(/.*)?/bin/progman, /opt/google/picasa(/.*)?/bin/regedit, /opt/google/picasa(/.*)?/bin/regsvr32, /opt/google/picasa(/.*)?/Picasa3/.*exe, /opt/google/picasa(/.*)?/bin/uninstaller, /opt/cxoffice/bin/wine.*, /opt/picasa/wine/bin/wine.*, /usr/bin/msiexec, /usr/bin/notepad, /usr/bin/regedit, /usr/bin/regsvr32, /usr/bin/uninstaller, /home/[^/]*/cxoffice/bin/wine.+ wine_home_t - Set files with the wine_home_t type, if you want to store wine files in the users home directory. Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels. COMMANDS
semanage fcontext can also be used to manipulate default file context mappings. semanage permissive can also be used to manipulate whether or not a process type is permissive. semanage module can also be used to enable/disable/install/remove policy modules. semanage boolean can also be used to manipulate the booleans system-config-selinux is a GUI tool available to customize SELinux policy settings. AUTHOR
This manual page was auto-generated using sepolicy manpage . SEE ALSO
selinux(8), wine(8), semanage(8), restorecon(8), chcon(1), sepolicy(8) , setsebool(8) wine 14-06-10 wine_selinux(8)
