selinux-policy/policy/modules/kernel/corecommands.if

## <summary>
## Core policy for shells, and generic programs
## in /bin, /sbin, /usr/bin, and /usr/sbin.
## </summary>
## <required val="true">
##	Contains the base bin and sbin directory types
##	which need to be searched for the kernel to
##	run init.
## </required>

########################################
## <summary>
##	Make the specified type usable for files
##	that are exectuables, such as binary programs.
##	This does not include shared libraries.
## </summary>
## <param name="type">
##	<summary>
##	Type to be used for files.
##	</summary>
## </param>
#
interface(`corecmd_executable_file',`
	gen_require(`
		attribute exec_type;
	')

	typeattribute $1 exec_type;

	files_type($1)
')

########################################
## <summary>
##	Create a aliased type to generic bin files.  (Deprecated)
## </summary>
## <desc>
##	<p>
##	Create a aliased type to generic bin files.  (Deprecated)
##	</p>
##	<p>
##	This is added to support targeted policy.  Its
##	use should be limited.  It has no effect
##	on the strict policy.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Alias type for bin_t.
##	</summary>
## </param>
#
interface(`corecmd_bin_alias',`
	refpolicywarn(`$0($*) has been deprecated.')
')

########################################
## <summary>
##	Make general progams in bin an entrypoint for
##	the specified domain.
## </summary>
## <param name="domain">
##	<summary>
##	The domain for which bin_t is an entrypoint.
##	</summary>
## </param>
#
interface(`corecmd_bin_entry_type',`
	gen_require(`
		type bin_t;
	')

	domain_entry_file($1, bin_t)
')

########################################
## <summary>
##	Make general progams in sbin an entrypoint for
##	the specified domain.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	The domain for which sbin programs are an entrypoint.
##	</summary>
## </param>
#
interface(`corecmd_sbin_entry_type',`
	corecmd_bin_entry_type($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_bin_entry_type() instead.')
')

########################################
## <summary>
##	Make the shell an entrypoint for the specified domain.
## </summary>
## <param name="domain">
##	<summary>
##	The domain for which the shell is an entrypoint.
##	</summary>
## </param>
#
interface(`corecmd_shell_entry_type',`
	gen_require(`
		type shell_exec_t;
	')

	domain_entry_file($1, shell_exec_t)
')

########################################
## <summary>
##	Search the contents of bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_search_bin',`
	gen_require(`
		type bin_t;
	')

	search_dirs_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Do not audit attempts to search the contents of bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_search_bin',`
	gen_require(`
		type bin_t;
	')

	dontaudit $1 bin_t:dir search_dir_perms;
')

########################################
## <summary>
##	List the contents of bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_list_bin',`
	gen_require(`
		type bin_t;
	')

	list_dirs_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Do not auidt attempts to write bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_write_bin_dirs',`
	gen_require(`
		type bin_t;
	')

	dontaudit $1 bin_t:dir write;
')

########################################
## <summary>
##	Get the attributes of files in bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_getattr_bin_files',`
	gen_require(`
		type bin_t;
	')

	getattr_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Get the attributes of files in bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_getattr_bin_files',`
	gen_require(`
		type bin_t;
	')

	dontaudit $1 bin_t:dir search_dir_perms;
	dontaudit $1 bin_t:file getattr_file_perms;
')

########################################
## <summary>
##	Read files in bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_bin_files',`
	gen_require(`
		type bin_t;
	')

	read_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Read symbolic links in bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_bin_symlinks',`
	gen_require(`
		type bin_t;
	')

	read_lnk_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Read pipes in bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_bin_pipes',`
	gen_require(`
		type bin_t;
	')

	read_fifo_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Read named sockets in bin directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_bin_sockets',`
	gen_require(`
		type bin_t;
	')

	read_sock_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Execute generic programs in bin directories,
##	in the caller domain.
## </summary>
## <desc>
##	<p>
##	Allow the specified domain to execute generic programs
##	in system bin directories (/bin, /sbin, /usr/bin,
##	/usr/sbin) a without domain transition.
##	</p>
##	<p>
##	Typically, this interface should be used when the domain
##	executes general system progams within the privileges
##	of the source domain.  Some examples of these programs
##	are ls, cp, sed, python, and tar. This does not include
##	shells, such as bash.
##	</p>
##	<p>
##	Related interface:
##	</p>
##	<ul>
##		<li>corecmd_exec_shell()</li>
##	</ul>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_exec_bin',`
	gen_require(`
		type bin_t;
	')

	read_lnk_files_pattern($1, bin_t, bin_t)
	list_dirs_pattern($1, bin_t, bin_t)
	can_exec($1, bin_t)
')

########################################
## <summary>
##	Create, read, write, and delete bin files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_manage_bin_files',`
	gen_require(`
		type bin_t;
	')

	manage_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Relabel to and from the bin type.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_relabel_bin_files',`
	gen_require(`
		type bin_t;
	')

	relabel_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Mmap a bin file as executable.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_mmap_bin_files',`
	gen_require(`
		type bin_t;
	')

	mmap_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Execute a file in a bin directory
##	in the specified domain but do not
##	do it automatically. This is an explicit
##	transition, requiring the caller to use setexeccon().
## </summary>
## <desc>
##	<p>
##	Execute a file in a bin directory
##	in the specified domain.  This allows
##	the specified domain to execute any file
##	on these filesystems in the specified
##	domain.  This is not suggested.
##	</p>
##	<p>
##	No interprocess communication (signals, pipes,
##	etc.) is provided by this interface since
##	the domains are not owned by this module.
##	</p>
##	<p>
##	This interface was added to handle
##	the userhelper policy.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="target_domain">
##	<summary>
##	The type of the new process.
##	</summary>
## </param>
#
interface(`corecmd_bin_spec_domtrans',`
	gen_require(`
		type bin_t;
	')

	read_lnk_files_pattern($1, bin_t, bin_t)
	domain_transition_pattern($1, bin_t, $2)
')

########################################
## <summary>
##	Execute a file in a bin directory
##	in the specified domain.
## </summary>
## <desc>
##	<p>
##	Execute a file in a bin directory
##	in the specified domain.  This allows
##	the specified domain to execute any file
##	on these filesystems in the specified
##	domain.  This is not suggested.
##	</p>
##	<p>
##	No interprocess communication (signals, pipes,
##	etc.) is provided by this interface since
##	the domains are not owned by this module.
##	</p>
##	<p>
##	This interface was added to handle
##	the ssh-agent policy.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="target_domain">
##	<summary>
##	The type of the new process.
##	</summary>
## </param>
#
interface(`corecmd_bin_domtrans',`
	gen_require(`
		type bin_t;
	')

	corecmd_bin_spec_domtrans($1, $2)
	type_transition $1 bin_t:process $2;
')

########################################
## <summary>
##	Search the contents of sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_search_sbin',`
	corecmd_search_bin($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_search_bin() instead.')
')

########################################
## <summary>
##	Do not audit attempts to search
##	sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_search_sbin',`
	corecmd_dontaudit_search_bin($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_dontaudit_search_bin() instead.')
')

########################################
## <summary>
##	List the contents of sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_list_sbin',`
	corecmd_list_bin($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_list_bin() instead.')
')

########################################
## <summary>
##	Do not audit attempts to write
##	sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_write_sbin_dirs',`
	corecmd_dontaudit_write_bin_dirs($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_dontaudit_write_bin_dirs() instead.')
')

########################################
## <summary>
##	Get the attributes of sbin files.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_getattr_sbin_files',`
	corecmd_getattr_bin_files($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_getattr_bin_files() instead.')
')

########################################
## <summary>
##	Do not audit attempts to get the attibutes
##	of sbin files.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_getattr_sbin_files',`
	corecmd_dontaudit_getattr_bin_files($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_dontaudit_getattr_bin_files() instead.')
')

########################################
## <summary>
##	Read files in sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_sbin_files',`
	corecmd_read_bin_files($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_read_bin_files() instead.')
')

########################################
## <summary>
##	Read symbolic links in sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_sbin_symlinks',`
	corecmd_read_bin_symlinks($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_read_bin_symlinks() instead.')
')

########################################
## <summary>
##	Read named pipes in sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_sbin_pipes',`
	corecmd_read_bin_pipes($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_read_bin_pipes() instead.')
')

########################################
## <summary>
##	Read named sockets in sbin directories.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_read_sbin_sockets',`
	corecmd_read_bin_sockets($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_read_bin_sockets() instead.')
')

########################################
## <summary>
##	Execute generic programs in sbin directories,
##	in the caller domain.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_exec_sbin',`
	corecmd_exec_bin($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_exec_bin() instead.')
')

########################################
## <summary>
##	Create, read, write, and delete sbin files.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
# cjp: added for prelink
interface(`corecmd_manage_sbin_files',`
	corecmd_manage_bin_files($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_manage_bin_files() instead.')
')

########################################
## <summary>
##	Relabel to and from the sbin type.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
# cjp: added for prelink
interface(`corecmd_relabel_sbin_files',`
	corecmd_relabel_bin_files($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_relabel_bin_files() instead.')
')

########################################
## <summary>
##	Mmap a sbin file as executable.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
# cjp: added for prelink
interface(`corecmd_mmap_sbin_files',`
	corecmd_mmap_bin_files($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_mmap_bin_files() instead.')
')

########################################
## <summary>
##	Execute a file in a sbin directory
##	in the specified domain.  (Deprecated)
## </summary>
## <desc>
##	<p>
##	Execute a file in a sbin directory
##	in the specified domain.  This allows
##	the specified domain to execute any file
##	on these filesystems in the specified
##	domain.  This is not suggested.  (Deprecated)
##	</p>
##	<p>
##	No interprocess communication (signals, pipes,
##	etc.) is provided by this interface since
##	the domains are not owned by this module.
##	</p>
##	<p>
##	This interface was added to handle
##	the ssh-agent policy.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="target_domain">
##	<summary>
##	The type of the new process.
##	</summary>
## </param>
#
interface(`corecmd_sbin_domtrans',`
	corecmd_bin_domtrans($1, $2)
	refpolicywarn(`$0() has been deprecated, please use corecmd_bin_domtrans() instead.')
')

########################################
## <summary>
##	Execute a file in a sbin directory
##	in the specified domain but do not
##	do it automatically. This is an explicit
##	transition, requiring the caller to use setexeccon().  (Deprecated)
## </summary>
## <desc>
##	<p>
##	Execute a file in a sbin directory
##	in the specified domain.  This allows
##	the specified domain to execute any file
##	on these filesystems in the specified
##	domain.  This is not suggested.  (Deprecated)
##	</p>
##	<p>
##	No interprocess communication (signals, pipes,
##	etc.) is provided by this interface since
##	the domains are not owned by this module.
##	</p>
##	<p>
##	This interface was added to handle
##	the userhelper policy.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="target_domain">
##	<summary>
##	The type of the new process.
##	</summary>
## </param>
#
interface(`corecmd_sbin_spec_domtrans',`
	corecmd_bin_spec_domtrans($1, $2)
	refpolicywarn(`$0() has been deprecated, please use corecmd_bin_spec_domtrans() instead.')
')

########################################
## <summary>
##	Check if a shell is executable (DAC-wise).
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_check_exec_shell',`
	gen_require(`
		type bin_t, shell_exec_t;
	')

	list_dirs_pattern($1, bin_t, bin_t)
	read_lnk_files_pattern($1, bin_t, bin_t)
	allow $1 shell_exec_t:file execute;
')

########################################
## <summary>
##	Execute shells in the caller domain.
## </summary>
## <desc>
##	<p>
##	Allow the specified domain to execute shells without
##	a domain transition.
##	</p>
##	<p>
##	Typically, this interface should be used when the domain
##	executes shells within the privileges
##	of the source domain.  Some examples of these programs
##	are bash, tcsh, and zsh.
##	</p>
##	<p>
##	Related interface:
##	</p>
##	<ul>
##		<li>corecmd_exec_bin()</li>
##	</ul>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_exec_shell',`
	gen_require(`
		type bin_t, shell_exec_t;
	')

	list_dirs_pattern($1, bin_t, bin_t)
	read_lnk_files_pattern($1, bin_t, bin_t)
	can_exec($1, shell_exec_t)
')

########################################
## <summary>
##	Execute ls in the caller domain.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_exec_ls',`
	corecmd_exec_bin($1)
	refpolicywarn(`$0() has been deprecated, please use corecmd_exec_bin() instead.')
')

########################################
## <summary>
##	Execute a shell in the target domain.  This
##	is an explicit transition, requiring the
##	caller to use setexeccon().
## </summary>
## <desc>
##	<p>
##	Execute a shell in the target domain.  This
##	is an explicit transition, requiring the
##	caller to use setexeccon().
##	</p>
##	<p>
##	No interprocess communication (signals, pipes,
##	etc.) is provided by this interface since
##	the domains are not owned by this module.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="target_domain">
##	<summary>
##	The type of the shell process.
##	</summary>
## </param>
#
interface(`corecmd_shell_spec_domtrans',`
	gen_require(`
		type bin_t, shell_exec_t;
	')

	list_dirs_pattern($1, bin_t, bin_t)
	read_lnk_files_pattern($1, bin_t, bin_t)
	domain_transition_pattern($1, shell_exec_t, $2)
')

########################################
## <summary>
##	Execute a shell in the specified domain.
## </summary>
## <desc>
##	<p>
##	Execute a shell in the specified domain.
##	</p>
##	<p>
##	No interprocess communication (signals, pipes,
##	etc.) is provided by this interface since
##	the domains are not owned by this module.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="target_domain">
##	<summary>
##	The type of the shell process.
##	</summary>
## </param>
#
interface(`corecmd_shell_domtrans',`
	gen_require(`
		type shell_exec_t;
	')

	corecmd_shell_spec_domtrans($1, $2)
	type_transition $1 shell_exec_t:process $2;
')

########################################
## <summary>
##	Execute chroot in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_exec_chroot',`
	gen_require(`
		type chroot_exec_t;
	')

	read_lnk_files_pattern($1, bin_t, bin_t)
	can_exec($1, chroot_exec_t)
	allow $1 self:capability sys_chroot;
')

########################################
## <summary>
##	Get the attributes of all executable files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`corecmd_getattr_all_executables',`
	gen_require(`
		attribute exec_type;
		type bin_t;
	')

	allow $1 bin_t:dir list_dir_perms;
	getattr_files_pattern($1, bin_t, exec_type)
')

########################################
## <summary>
##	Read all executable files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`corecmd_read_all_executables',`
	gen_require(`
		attribute exec_type;
	')

	read_files_pattern($1, exec_type, exec_type)
')

########################################
## <summary>
##	Execute all executable files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`corecmd_exec_all_executables',`
	gen_require(`
		attribute exec_type;
		type bin_t;
	')

	can_exec($1, exec_type)
	list_dirs_pattern($1, bin_t, bin_t)
	read_lnk_files_pattern($1, bin_t, exec_type)
')

########################################
## <summary>
##	Do not audit attempts to execute all executables.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`corecmd_dontaudit_exec_all_executables',`
	gen_require(`
		attribute exec_type;
	')

	dontaudit $1 exec_type:file { execute execute_no_trans };
')

########################################
## <summary>
##	Create, read, write, and all executable files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`corecmd_manage_all_executables',`
	gen_require(`
		attribute exec_type;
		type bin_t;
	')

	manage_dirs_pattern($1, bin_t, exec_type)
	manage_files_pattern($1, bin_t, exec_type)
	manage_lnk_files_pattern($1, bin_t, bin_t)
')

########################################
## <summary>
##	Relabel to and from the bin type.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`corecmd_relabel_all_executables',`
	gen_require(`
		attribute exec_type;
		type bin_t;
	')

	relabel_files_pattern($1, bin_t, exec_type)
')

########################################
## <summary>
##	Mmap all executables as executable.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`corecmd_mmap_all_executables',`
	gen_require(`
		attribute exec_type;
		type bin_t;
	')

	mmap_files_pattern($1, bin_t, exec_type)
')