488 lines
11 KiB
Plaintext
488 lines
11 KiB
Plaintext
## <module name="domain" layer="system">
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## <summary>Core policy for domains.</summary>
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########################################
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#
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# domain_make_base_domain(domain)
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#
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define(`domain_make_base_domain',`
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requires_block_template(`$0'_depend)
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# mark as a domain
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typeattribute $1 domain;
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# allow the domain to read its /proc/pid entries
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allow $1 self:dir r_dir_perms;
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allow $1 self:{ file lnk_file } rw_file_perms;
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# allow $1 to create child processes in this domain
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allow $1 self:process { fork sigchld };
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')
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define(`domain_make_base_domain_depend',`
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attribute domain;
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class dir r_dir_perms;
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class file rw_file_perms;
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class lnk_file r_file_perms;
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')
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########################################
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#
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# domain_make_domain(domain)
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#
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define(`domain_make_domain',`
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# start with basic domain
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domain_make_base_domain($1)
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# Use trusted objects in /dev
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devices_use_dev_null($1)
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devices_use_dev_zero($1)
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terminal_use_controlling_terminal($1)
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# read the root directory
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files_read_root_dir($1)
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# send init a sigchld
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init_sigchld($1)
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# this seems highly questionable:
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optional_policy(`rpm.te',`
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rpm_use_file_descriptors($1)
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rpm_read_pipe($1)
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')
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')
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########################################
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#
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# domain_make_entrypoint_file(domain,entrypointfile)
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#
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define(`domain_make_entrypoint_file',`
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requires_block_template(`$0'_depend)
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files_make_file($2)
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allow $1 $2:file entrypoint;
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typeattribute $2 entry_type;
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')
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define(`domain_make_entrypoint_file_depend',`
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attribute entry_type;
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class file entrypoint;
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')
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########################################
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#
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# domain_make_file_descriptors_widely_inheritable(domain)
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#
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define(`domain_make_file_descriptors_widely_inheritable',`
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requires_block_template(`$0'_depend)
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typeattribute $1 privfd;
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')
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define(`domain_make_file_descriptors_widely_inheritable_depend',`
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attribute privfd;
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')
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########################################
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#
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# domain_use_widely_inheritable_file_descriptors(domain)
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#
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define(`domain_use_widely_inheritable_file_descriptors',`
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requires_block_template(`$0'_depend)
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allow $1 privfd:fd use;
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')
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define(`domain_use_widely_inheritable_file_descriptors_depend',`
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attribute privfd;
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class fd use;
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')
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########################################
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#
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# domain_ignore_use_widely_inheritable_file_descriptors(domain)
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#
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define(`domain_ignore_use_widely_inheritable_file_descriptors',`
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requires_block_template(`$0'_depend)
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dontaudit $1 privfd:fd use;
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')
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define(`domain_ignore_use_widely_inheritable_file_descriptors_depend',`
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attribute privfd;
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class fd use;
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')
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########################################
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#
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# domain_set_all_domains_priorities(domain)
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#
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define(`domain_set_all_domains_priorities',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process setsched;
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')
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define(`domain_set_all_domains_priorities_depend',`
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attribute domain;
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class process setsched;
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')
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########################################
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## <interface name="domain_signal_all_domains">
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## <description>
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## Send general signals to all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_signal_all_domains',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process signal;
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')
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define(`domain_signal_all_domains_depend',`
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attribute domain;
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class process signal;
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')
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########################################
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## <interface name="domain_signull_all_domains">
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## <description>
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## Send a null signal to all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_signull_all_domains',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process signull;
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')
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define(`domain_signull_all_domains_depend',`
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attribute domain;
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class process signull;
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')
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########################################
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## <interface name="domain_sigstop_all_domains">
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## <description>
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## Send a stop signal to all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_sigstop_all_domains',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process sigstop;
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')
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define(`domain_sigstop_all_domains_depend',`
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attribute domain;
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class process sigstop;
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')
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########################################
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## <interface name="domain_sigchld_all_domains">
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## <description>
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## Send a child terminated signal to all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_sigchld_all_domains',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process sigchld;
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')
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define(`domain_sigchld_all_domains_depend',`
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attribute domain;
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class process sigchld;
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')
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########################################
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## <interface name="domain_kill_all_domains">
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## <description>
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## Send a kill signal to all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_kill_all_domains',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process sigkill;
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allow $1 self:capability kill;
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')
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define(`domain_kill_all_domains_depend',`
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attribute domain;
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class process sigkill;
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class capability kill;
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')
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########################################
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## <interface name="domain_read_all_domains_process_state">
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## <description>
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## Read the process state (/proc/pid) of all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_read_all_domains_process_state',`
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requires_block_template(`$0'_depend)
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allow $1 domain:dir r_dir_perms;
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allow $1 domain:lnk_file r_file_perms;
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allow $1 domain:file r_file_perms;
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allow $1 domain:process getattr;
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# We need to suppress this denial because procps tries to access
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# /proc/pid/environ and this now triggers a ptrace check in recent kernels
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# (2.4 and 2.6). Might want to change procps to not do this, or only if
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# running in a privileged domain.
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dontaudit $1 domain:process ptrace;
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')
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define(`domain_read_all_domains_process_state_depend',`
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attribute domain;
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class dir r_dir_perms;
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class lnk_file r_file_perms;
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class file r_file_perms;
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class process { getattr ptrace };
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')
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########################################
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## <interface name="domain_ignore_read_all_domains_process_dirs">
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## <description>
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## Do not audit attempts to read the process state
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## directories of all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_ignore_read_all_domains_process_dirs',`
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requires_block_template(`$0'_depend)
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dontaudit $1 domain:dir r_dir_perms;
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')
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define(`domain_ignore_read_all_domains_process_dirs_depend',`
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attribute domain;
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class dir r_dir_perms;
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')
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########################################
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## <interface name="domain_get_all_domains_session_id">
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## <description>
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## Get the session ID of all domains.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_get_all_domains_session_id',`
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requires_block_template(`$0'_depend)
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allow $1 domain:process getsession;
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')
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define(`domain_get_all_domains_session_id_depend',`
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attribute domain;
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class process getsession;
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')
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########################################
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## <interface name="domain_ignore_get_all_domains_udp_socket_attributes">
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## <description>
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## Do not audit attempts to get the attributes
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## of all domains UDP sockets.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_ignore_get_all_domains_udp_socket_attributes',`
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requires_block_template(`$0'_depend)
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dontaudit $1 domain:udp_socket getattr;
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')
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define(`domain_ignore_get_all_domains_udp_socket_attributes_depend',`
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attribute domain;
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class udp_socket getattr;
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')
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########################################
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## <interface name="domain_ignore_get_all_domains_tcp_socket_attributes">
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## <description>
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## Do not audit attempts to get the attributes
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## of all domains TCP sockets.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_ignore_get_all_domains_tcp_socket_attributes',`
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requires_block_template(`$0'_depend)
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dontaudit $1 domain:tcp_socket getattr;
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')
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define(`domain_ignore_get_all_domains_tcp_socket_attributes_depend',`
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attribute domain;
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class tcp_socket getattr;
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')
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########################################
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## <interface name="domain_ignore_get_all_domains_unix_dgram_socket_attributes">
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## <description>
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## Do not audit attempts to get the attributes
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## of all domains unix datagram sockets.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_ignore_get_all_domains_unix_dgram_socket_attributes',`
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requires_block_template(`$0'_depend)
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dontaudit $1 domain:unix_dgram_socket getattr;
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')
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define(`domain_ignore_get_all_domains_unix_dgram_socket_attributes_depend',`
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attribute domain;
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class unix_dgram_socket getattr;
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')
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########################################
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## <interface name="domain_ignore_get_all_domains_pipe_attributes">
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## <description>
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## Do not audit attempts to get the attributes
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## of all domains unnamed pipes.
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## </description>
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## <parameter name="domain">
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## The type of the process performing this action.
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## </parameter>
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## </interface>
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#
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define(`domain_ignore_get_all_domains_pipe_attributes',`
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requires_block_template(`$0'_depend)
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dontaudit $1 domain:fifo_file getattr;
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')
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define(`domain_ignore_get_all_domains_pipe_attributes_depend',`
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attribute domain;
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class fifo_file getattr;
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')
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########################################
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#
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# domain_execute_all_entrypoint_programs(domain)
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#
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define(`domain_execute_all_entrypoint_programs',`
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requires_block_template(`$0'_depend)
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can_exec($1,entry_type)
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')
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define(`domain_execute_all_entrypoint_programs_depend',`
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attribute entry_type;
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class file { getattr read ioctl lock execute execute_no_trans };
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')
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########################################
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#
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# domain_read_all_entrypoint_programs(domain)
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#
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define(`domain_read_all_entrypoint_programs',`
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requires_block_template(`$0'_depend)
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allow $1 entry_type:lnk_file r_file_perms;
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allow $1 entry_type:file r_file_perms;
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')
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define(`domain_read_all_entrypoint_programs_depend',`
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attribute entry_type;
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class file r_file_perms;
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class lnk_file r_file_perms;
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')
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## </module>
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#
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# These next macros are not interfaces, but actually are
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# support macros. Due to the domain_ prefix, they
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# are placed in this module.
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#
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########################################
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#
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# domain_trans(source_domain,entrypoint_file,target_domain)
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#
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define(`domain_trans',`
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requires_block_template(`$0'_depend)
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allow $1 $2:file rx_file_perms;
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allow $1 $3:process transition;
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dontaudit $1 $3:process { noatsecure siginh rlimitinh };
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')
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define(`domain_trans_depend',`
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class file rx_file_perms;
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process { transition noatsecure siginh rlimitinh };
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')
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########################################
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#
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# domain_auto_trans(source_domain,entrypoint_file,target_domain)
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#
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define(`domain_auto_trans',`
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domain_trans($1,$2,$3)
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type_transition $1 $2:process $3;
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')
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