1900668638
The latest revision of the labeled policy patches which enable both labeled and unlabeled policy support for NetLabel. This revision takes into account Chris' feedback from the first version and reduces the number of interface calls in each domain down to two at present: one for unlabeled access, one for NetLabel access. The older, transport layer specific interfaces, are still present for use by third-party modules but are not used in the default policy modules. trunk: Use netmsg initial SID for MLS-only Netlabel packets, from Paul Moore. This patch changes the policy to use the netmsg initial SID as the "base" SID/context for NetLabel packets which only have MLS security attributes. Currently we use the unlabeled initial SID which makes it very difficult to distinquish between actual unlabeled packets and those packets which have MLS security attributes.
131 lines
3.3 KiB
Plaintext
131 lines
3.3 KiB
Plaintext
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policy_module(yam,1.0.1)
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########################################
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#
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# Declarations
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#
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type yam_t alias yam_crond_t;
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type yam_exec_t;
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domain_type(yam_t)
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domain_entry_file(yam_t,yam_exec_t)
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type yam_content_t;
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files_mountpoint(yam_content_t)
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type yam_etc_t;
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files_config_file(yam_etc_t)
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type yam_tmp_t;
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files_tmp_file(yam_tmp_t)
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########################################
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#
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# Local policy
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#
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allow yam_t self:capability { chown fowner fsetid dac_override };
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allow yam_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
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allow yam_t self:process execmem;
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allow yam_t self:fd use;
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allow yam_t self:fifo_file rw_fifo_file_perms;
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allow yam_t self:unix_stream_socket { create_stream_socket_perms connectto };
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allow yam_t self:unix_dgram_socket { create_socket_perms sendto };
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allow yam_t self:shm create_shm_perms;
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allow yam_t self:sem create_sem_perms;
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allow yam_t self:msgq create_msgq_perms;
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allow yam_t self:msg { send receive };
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allow yam_t self:tcp_socket create_socket_perms;
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# Update the content being managed by yam.
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manage_dirs_pattern(yam_t,yam_content_t,yam_content_t)
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manage_files_pattern(yam_t,yam_content_t,yam_content_t)
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manage_lnk_files_pattern(yam_t,yam_content_t,yam_content_t)
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allow yam_t yam_etc_t:file { getattr read };
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files_search_etc(yam_t)
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manage_files_pattern(yam_t,yam_tmp_t,yam_tmp_t)
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manage_dirs_pattern(yam_t,yam_tmp_t,yam_tmp_t)
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files_tmp_filetrans(yam_t, yam_tmp_t, { file dir })
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kernel_read_kernel_sysctls(yam_t)
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kernel_read_proc_symlinks(yam_t)
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# Python works fine without reading /proc/meminfo
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kernel_dontaudit_read_system_state(yam_t)
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corecmd_exec_shell(yam_t)
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corecmd_exec_bin(yam_t)
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# Rsync and lftp need to network. They also set files attributes to
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# match whats on the remote server.
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corenet_all_recvfrom_unlabeled(yam_t)
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corenet_all_recvfrom_netlabel(yam_t)
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corenet_tcp_sendrecv_generic_if(yam_t)
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corenet_tcp_sendrecv_all_nodes(yam_t)
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corenet_tcp_sendrecv_all_ports(yam_t)
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corenet_tcp_connect_http_port(yam_t)
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corenet_tcp_connect_rsync_port(yam_t)
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corenet_sendrecv_http_client_packets(yam_t)
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corenet_sendrecv_rsync_client_packets(yam_t)
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# mktemp
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dev_read_urand(yam_t)
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files_read_etc_files(yam_t)
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files_read_etc_runtime_files(yam_t)
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# /usr/share/createrepo/genpkgmetadata.py:
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files_exec_usr_files(yam_t)
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# Programs invoked to build package lists need various permissions.
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# genpkglist creates tmp files in /var/cache/apt/genpkglist
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files_rw_var_files(yam_t)
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fs_search_auto_mountpoints(yam_t)
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# Content can also be on ISO image files.
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fs_read_iso9660_files(yam_t)
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term_search_ptys(yam_t)
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libs_use_ld_so(yam_t)
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libs_use_shared_libs(yam_t)
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logging_send_syslog_msg(yam_t)
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miscfiles_read_localization(yam_t)
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seutil_read_config(yam_t)
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sysnet_dns_name_resolve(yam_t)
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sysnet_read_config(yam_t)
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userdom_use_unpriv_users_fds(yam_t)
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# Reading dotfiles...
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# cjp: ?
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userdom_search_all_users_home_dirs(yam_t)
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# The whole point of this program is to make updates available on a
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# local web server. Need to go through /var to get to /var/yam
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# Go through /var/www to get to /var/www/yam
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apache_search_sys_content(yam_t)
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optional_policy(`
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cron_system_entry(yam_t,yam_exec_t)
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')
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optional_policy(`
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mount_domtrans(yam_t)
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')
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optional_policy(`
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nis_use_ypbind(yam_t)
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')
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optional_policy(`
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nscd_socket_use(yam_t)
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')
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optional_policy(`
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rsync_exec(yam_t)
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')
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