144 lines
3.7 KiB
Plaintext
144 lines
3.7 KiB
Plaintext
## <summary>Restricted (scp/sftp) only shell</summary>
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#######################################
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## <summary>
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## The per user domain template for the rssh module.
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## </summary>
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## <desc>
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## <p>
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## This template creates a derived domains which are used
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## for rssh client sessions. Derived types are also created
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## for read-only and read-write file access.
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## </p>
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## <p>
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## This template is invoked automatically for each user, and
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## generally does not need to be invoked directly
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## by policy writers.
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## </p>
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## </desc>
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## <param name="userdomain_prefix">
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## <summary>
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## The prefix of the user domain (e.g., user
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## is the prefix for user_t).
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## </summary>
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## </param>
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#
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template(`rssh_per_userdomain_template',`
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##############################
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#
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# Declarations
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#
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type $1_rssh_t alias rssh_$1_t, rssh_domain_type;
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domain_type($1_rssh_t)
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domain_entry_file($1_rssh_t,rssh_exec_t)
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domain_user_exemption_target($1_t)
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domain_interactive_fd($1_rssh_t)
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role system_r types $1_rssh_t;
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type $1_rssh_devpts_t alias rssh_$1_devpts_t;
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term_user_pty($1_rssh_t,$1_rssh_devpts_t)
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type $1_rssh_ro_t alias rssh_$1_ro_t, rssh_ro_content_type;
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userdom_user_home_content($1,$1_rssh_ro_t)
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type $1_rssh_rw_t alias rssh_$1_rw_t;
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userdom_user_home_content($1,$1_rssh_rw_t)
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##############################
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#
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# Local policy
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#
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allow $1_rssh_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
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allow $1_rssh_t self:fd use;
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allow $1_rssh_t self:fifo_file rw_file_perms;
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allow $1_rssh_t self:unix_dgram_socket create_socket_perms;
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allow $1_rssh_t self:unix_stream_socket create_stream_socket_perms;
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allow $1_rssh_t self:unix_dgram_socket sendto;
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allow $1_rssh_t self:unix_stream_socket connectto;
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allow $1_rssh_t self:shm create_shm_perms;
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allow $1_rssh_t self:sem create_sem_perms;
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allow $1_rssh_t self:msgq create_msgq_perms;
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allow $1_rssh_t self:msg { send receive };
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allow $1_rssh_t $1_rssh_devpts_t:chr_file { rw_file_perms setattr };
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term_create_pty($1_rssh_t,$1_rssh_devpts_t)
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allow $1_rssh_t $1_rssh_ro_t:dir list_dir_perms;
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allow $1_rssh_t $1_rssh_ro_t:file read_file_perms;
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allow $1_rssh_t $1_rssh_rw_t:dir manage_dir_perms;
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allow $1_rssh_t $1_rssh_rw_t:file manage_file_perms;
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kernel_read_system_state($1_rssh_t)
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kernel_read_kernel_sysctls($1_rssh_t)
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files_read_etc_files($1_rssh_t)
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files_read_etc_runtime_files($1_rssh_t)
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files_list_home($1_rssh_t)
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files_read_usr_files($1_rssh_t)
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files_list_var($1_rssh_t)
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fs_search_auto_mountpoints($1_rssh_t)
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libs_use_ld_so($1_rssh_t)
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libs_use_shared_libs($1_rssh_t)
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logging_send_syslog_msg($1_rssh_t)
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miscfiles_read_localization($1_rssh_t)
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userdom_use_unpriv_users_fds($1_rssh_t)
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ssh_rw_tcp_sockets($1_rssh_t)
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ssh_rw_stream_sockets($1_rssh_t)
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optional_policy(`
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nis_use_ypbind($1_rssh_t)
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')
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')
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########################################
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## <summary>
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## Transition to all user rssh domains.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed access.
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## </summary>
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## </param>
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#
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interface(`rssh_spec_domtrans_all_users',`
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gen_require(`
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attribute rssh_domain_type;
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type rssh_exec_t;
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')
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domain_trans($1,rssh_exec_t,rssh_domain_type)
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allow rssh_domain_type $1:fd use;
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allow rssh_domain_type $1:fifo_file rw_file_perms;
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allow rssh_domain_type $1:process sigchld;
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')
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########################################
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## <summary>
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## Read all users rssh read-only content.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed access.
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## </summary>
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## </param>
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#
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interface(`rssh_read_all_users_ro_content',`
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gen_require(`
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attribute rssh_ro_content_type;
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')
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allow $1 rssh_ro_content_type:dir r_dir_perms;
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allow $1 rssh_ro_content_type:file r_file_perms;
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allow $1 rssh_ro_content_type:lnk_file { getattr read };
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')
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