selinux-policy/refpolicy/policy/modules/system/corecommands.if

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## <summary>
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## Core policy for shells, and generic programs
## in /bin, /sbin, /usr/bin, and /usr/sbin.
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## </summary>
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## <required val="true">
## Contains the base bin and sbin directory types
## which need to be searched for the kernel to
## run init.
## </required>
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########################################
## <summary>
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## Create a aliased type to generic bin files.
## </summary>
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## <desc>
## <p>
## Create a aliased type to generic bin files.
## </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">
## Alias type for bin_t.
## </param>
interface(`corecmd_bin_alias',`
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ifdef(`targeted_policy',`
gen_require(`
type bin_t;
')
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typealias bin_t alias $1;
',`
errprint(`Warning: $0($1) has no effect in strict policy.'__endline__)
')
')
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########################################
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## <summary>
## Make the shell an entrypoint for the specified domain.
## </summary>
## <param name="domain">
## The domain for which the shell is an entrypoint.
## </param>
interface(`corecmd_shell_entry_type',`
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gen_require(`
type shell_exec_t;
')
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domain_entry_file($1,shell_exec_t)
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')
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########################################
#
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# corecmd_search_bin(domain)
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#
interface(`corecmd_search_bin',`
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gen_require(`
type bin_t;
class dir search;
')
allow $1 bin_t:dir search;
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')
########################################
#
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# corecmd_list_bin(domain)
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#
interface(`corecmd_list_bin',`
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gen_require(`
type bin_t;
class dir r_dir_perms;
')
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allow $1 bin_t:dir r_dir_perms;
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')
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########################################
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## <summary>
## Get the attributes of files in bin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
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## </param>
#
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interface(`corecmd_getattr_bin_file',`
gen_require(`
type bin_t;
class file getattr;
')
allow $1 bin_t:file getattr;
')
########################################
## <summary>
## Read files in bin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
## </param>
#
interface(`corecmd_read_bin_file',`
gen_require(`
type bin_t;
class dir search;
class file r_file_perms;
')
allow $1 bin_t:dir search;
allow $1 bin_t:file r_file_perms;
')
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########################################
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## <summary>
## Read symbolic links in bin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
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## </param>
#
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interface(`corecmd_read_bin_symlink',`
gen_require(`
type bin_t;
class dir search;
class lnk_file r_file_perms;
')
allow $1 bin_t:dir search;
allow $1 bin_t:lnk_file r_file_perms;
')
########################################
## <summary>
## Read pipes in bin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
## </param>
#
interface(`corecmd_read_bin_pipe',`
gen_require(`
type bin_t;
class dir search;
class fifo_file r_file_perms;
')
allow $1 bin_t:dir search;
allow $1 bin_t:fifo_file r_file_perms;
')
########################################
## <summary>
## Read named sockets in bin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
## </param>
#
interface(`corecmd_read_bin_socket',`
gen_require(`
type bin_t;
class dir search;
class sock_file r_file_perms;
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')
allow $1 bin_t:dir search;
allow $1 bin_t:sock_file r_file_perms;
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')
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########################################
#
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# corecmd_exec_bin(domain)
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#
interface(`corecmd_exec_bin',`
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gen_require(`
type bin_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
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allow $1 bin_t:dir r_dir_perms;
allow $1 bin_t:lnk_file r_file_perms;
can_exec($1,bin_t)
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')
########################################
## <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">
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## Domain allowed access.
## </param>
## <param name="target_domain">
## The type of the new process.
## </param>
#
interface(`corecmd_bin_domtrans',`
gen_require(`
type bin_t;
class dir search;
class lnk_file { getattr read };
')
allow $1 bin_t:dir search;
allow $1 bin_t:lnk_file { getattr read };
domain_auto_trans($1,bin_t,$2)
')
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########################################
#
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# corecmd_search_sbin(domain)
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#
interface(`corecmd_search_sbin',`
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gen_require(`
type sbin_t;
')
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allow $1 sbin_t:dir search_dir_perms;
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')
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########################################
## <summary>
## Do not audit attempts to search
## sbin directories.
## </summary>
## <param name="domain">
## Domain to not audit.
## </param>
#
interface(`corecmd_dontaudit_search_sbin',`
gen_require(`
type sbin_t;
')
dontaudit $1 sbin_t:dir search_dir_perms;
')
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########################################
#
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# corecmd_list_sbin(domain)
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#
interface(`corecmd_list_sbin',`
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gen_require(`
type sbin_t;
class dir r_dir_perms;
')
allow $1 sbin_t:dir r_dir_perms;
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')
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########################################
#
# corecmd_getattr_sbin_file(domain)
#
interface(`corecmd_getattr_sbin_file',`
gen_require(`
type sbin_t;
class file getattr;
')
allow $1 sbin_t:file getattr;
')
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########################################
#
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# corecmd_dontaudit_getattr_sbin_file(domain)
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#
interface(`corecmd_dontaudit_getattr_sbin_file',`
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gen_require(`
type sbin_t;
class file getattr;
')
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dontaudit $1 sbin_t:file getattr;
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')
########################################
## <summary>
## Read files in sbin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
## </param>
#
interface(`corecmd_read_sbin_file',`
gen_require(`
type sbin_t;
class dir search;
class file r_file_perms;
')
allow $1 sbin_t:dir search;
allow $1 sbin_t:file r_file_perms;
')
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########################################
## <summary>
## Read symbolic links in sbin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
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## </param>
#
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interface(`corecmd_read_sbin_symlink',`
gen_require(`
type sbin_t;
class dir search;
class lnk_file r_file_perms;
')
allow $1 sbin_t:dir search;
allow $1 sbin_t:lnk_file r_file_perms;
')
########################################
## <summary>
## Read named pipes in sbin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
## </param>
#
interface(`corecmd_read_sbin_pipe',`
gen_require(`
type sbin_t;
class dir search;
class fifo_file r_file_perms;
')
allow $1 sbin_t:dir search;
allow $1 sbin_t:fifo_file r_file_perms;
')
########################################
## <summary>
## Read named sockets in sbin directories.
## </summary>
## <param name="domain">
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## Domain allowed access.
## </param>
#
interface(`corecmd_read_sbin_socket',`
gen_require(`
type sbin_t;
class dir search;
class sock_file r_file_perms;
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')
allow $1 sbin_t:dir search;
allow $1 sbin_t:sock_file r_file_perms;
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')
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########################################
#
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# corecmd_exec_sbin(domain)
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#
interface(`corecmd_exec_sbin',`
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gen_require(`
type sbin_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
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allow $1 sbin_t:dir r_dir_perms;
allow $1 sbin_t:lnk_file r_file_perms;
can_exec($1,sbin_t)
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')
########################################
## <summary>
## Execute a file in a sbin directory
## in the specified domain.
## </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.
## </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">
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## Domain allowed access.
## </param>
## <param name="target_domain">
## The type of the new process.
## </param>
#
interface(`corecmd_sbin_domtrans',`
gen_require(`
type sbin_t;
class dir search;
class lnk_file { getattr read };
')
allow $1 sbin_t:dir search;
allow $1 sbin_t:lnk_file { getattr read };
domain_auto_trans($1,sbin_t,$2)
')
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########################################
## <summary>
## Check if a shell is executable (DAC-wise).
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`corecmd_check_exec_shell',`
gen_require(`
type bin_t, shell_exec_t;
')
allow $1 bin_t:dir r_dir_perms;
allow $1 bin_t:lnk_file r_file_perms;
allow $1 shell_exec_t:file execute;
')
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########################################
#
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# corecmd_exec_shell(domain)
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#
interface(`corecmd_exec_shell',`
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gen_require(`
type bin_t, shell_exec_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
allow $1 bin_t:dir r_dir_perms;
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allow $1 bin_t:lnk_file r_file_perms;
can_exec($1,shell_exec_t)
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')
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########################################
#
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# corecmd_exec_ls(domain)
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#
interface(`corecmd_exec_ls',`
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gen_require(`
type bin_t, ls_exec_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
allow $1 bin_t:dir r_dir_perms;
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allow $1 bin_t:lnk_file r_file_perms;
can_exec($1,ls_exec_t)
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')
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########################################
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## <summary>
## Execute a shell in the target domain. This
## is an explicit transition, requiring the
## caller to use setexeccon().
## </summary>
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## <desc>
## <p>
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## 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>
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## </desc>
## <param name="domain">
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## Domain allowed access.
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## </param>
## <param name="target_domain">
## The type of the shell process.
## </param>
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#
interface(`corecmd_shell_spec_domtrans',`
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gen_require(`
type bin_t, shell_exec_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
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allow $1 bin_t:dir r_dir_perms;
allow $1 bin_t:lnk_file r_file_perms;
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domain_trans($1,shell_exec_t,$2)
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')
########################################
## <summary>
## Execute a shell in the specified domain.
## </summary>
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## <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>
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## </desc>
## <param name="domain">
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## Domain allowed access.
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## </param>
## <param name="target_domain">
## The type of the shell process.
## </param>
#
interface(`corecmd_shell_domtrans',`
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gen_require(`
type shell_exec_t;
')
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corecmd_shell_spec_domtrans($1,$2)
type_transition $1 shell_exec_t:process $2;
')
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########################################
#
# corecmd_exec_chroot(domain)
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#
interface(`corecmd_exec_chroot',`
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gen_require(`
type chroot_exec_t;
class capability sys_chroot;
')
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can_exec($1,chroot_exec_t)
allow $1 self:capability sys_chroot;
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')