492 lines
11 KiB
Plaintext
492 lines
11 KiB
Plaintext
## <summary>
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## Policy for kernel security interface, in particular, selinuxfs.
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## </summary>
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## <required val="true">
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## Contains the policy for the kernel SELinux security interface.
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## </required>
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########################################
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## <summary>
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## Get the mountpoint of the selinuxfs filesystem.
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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(`selinux_get_fs_mount',`
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gen_require(`
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type security_t;
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')
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# starting in libselinux 2.0.5, init_selinuxmnt() will
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# attempt to short circuit by checking if SELINUXMNT
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# (/selinux) is already a selinuxfs
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allow $1 security_t:filesystem getattr;
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# read /proc/filesystems to see if selinuxfs is supported
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# then read /proc/self/mount to see where selinuxfs is mounted
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kernel_read_system_state($1)
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')
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########################################
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## <summary>
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## Do not audit attempts to get the mountpoint
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## of the selinuxfs filesystem.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`selinux_dontaudit_get_fs_mount',`
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gen_require(`
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type security_t;
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')
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# starting in libselinux 2.0.5, init_selinuxmnt() will
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# attempt to short circuit by checking if SELINUXMNT
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# (/selinux) is already a selinuxfs
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dontaudit $1 security_t:filesystem getattr;
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# read /proc/filesystems to see if selinuxfs is supported
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# then read /proc/self/mount to see where selinuxfs is mounted
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kernel_dontaudit_read_system_state($1)
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')
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########################################
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## <summary>
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## Get the attributes of the selinuxfs filesystem
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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(`selinux_getattr_fs',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:filesystem getattr;
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')
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########################################
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## <summary>
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## Do not audit attempts to get the
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## attributes of the selinuxfs filesystem
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`selinux_dontaudit_getattr_fs',`
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gen_require(`
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type security_t;
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')
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dontaudit $1 security_t:filesystem getattr;
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')
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########################################
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## <summary>
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## Do not audit attempts to get the
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## attributes of the selinuxfs directory.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`selinux_dontaudit_getattr_dir',`
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gen_require(`
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type security_t;
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')
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dontaudit $1 security_t:dir getattr;
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')
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########################################
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## <summary>
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## Search selinuxfs.
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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(`selinux_search_fs',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir search_dir_perms;
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')
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########################################
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## <summary>
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## Do not audit attempts to search selinuxfs.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`selinux_dontaudit_search_fs',`
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gen_require(`
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type security_t;
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')
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dontaudit $1 security_t:dir search_dir_perms;
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')
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########################################
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## <summary>
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## Do not audit attempts to read
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## generic selinuxfs entries
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`selinux_dontaudit_read_fs',`
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gen_require(`
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type security_t;
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')
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dontaudit $1 security_t:dir search_dir_perms;
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dontaudit $1 security_t:file { getattr read };
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')
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########################################
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## <summary>
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## Allows the caller to get the mode of policy enforcement
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## (enforcing or permissive mode).
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## </summary>
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## <param name="domain">
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## <summary>
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## The process type to allow to get the enforcing mode.
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`selinux_get_enforce_mode',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read };
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')
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########################################
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## <summary>
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## Allow caller to set the mode of policy enforcement
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## (enforcing or permissive mode).
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## </summary>
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## <desc>
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## <p>
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## Allow caller to set the mode of policy enforcement
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## (enforcing or permissive mode).
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## </p>
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## <p>
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## Since this is a security event, this action is
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## always audited.
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## </p>
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## </desc>
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## <param name="domain">
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## <summary>
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## The process type to allow to set the enforcement mode.
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`selinux_set_enforce_mode',`
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gen_require(`
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type security_t;
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attribute can_setenforce;
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bool secure_mode_policyload;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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typeattribute $1 can_setenforce;
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if(!secure_mode_policyload) {
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allow $1 security_t:security setenforce;
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ifdef(`distro_rhel4',`
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# needed for systems without audit support
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auditallow $1 security_t:security setenforce;
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')
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}
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')
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########################################
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## <summary>
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## Allow caller to load the policy into the kernel.
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## </summary>
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## <param name="domain">
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## <summary>
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## The process type that will load the policy.
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## </summary>
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## </param>
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#
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interface(`selinux_load_policy',`
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gen_require(`
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type security_t;
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attribute can_load_policy;
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bool secure_mode_policyload;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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typeattribute $1 can_load_policy;
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if(!secure_mode_policyload) {
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allow $1 security_t:security load_policy;
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ifdef(`distro_rhel4',`
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# needed for systems without audit support
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auditallow $1 security_t:security load_policy;
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')
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}
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')
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########################################
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## <summary>
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## Allow caller to set the state of Booleans to
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## enable or disable conditional portions of the policy.
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## </summary>
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## <desc>
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## <p>
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## Allow caller to set the state of Booleans to
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## enable or disable conditional portions of the policy.
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## </p>
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## <p>
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## Since this is a security event, this action is
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## always audited.
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## </p>
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## </desc>
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## <param name="domain">
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## <summary>
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## The process type allowed to set the Boolean.
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`selinux_set_boolean',`
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gen_require(`
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type security_t;
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bool secure_mode_policyload;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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if(!secure_mode_policyload) {
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allow $1 security_t:security setbool;
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ifdef(`distro_rhel4',`
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# needed for systems without audit support
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auditallow $1 security_t:security setbool;
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')
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}
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')
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########################################
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## <summary>
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## Allow caller to set SELinux access vector cache parameters.
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## </summary>
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## <desc>
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## <p>
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## Allow caller to set SELinux access vector cache parameters.
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## The allows the domain to set performance related parameters
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## of the AVC, such as cache threshold.
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## </p>
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## <p>
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## Since this is a security event, this action is
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## always audited.
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## </p>
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## </desc>
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## <param name="domain">
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## <summary>
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## The process type to allow to set security parameters.
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`selinux_set_parameters',`
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gen_require(`
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type security_t;
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attribute can_setsecparam;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security setsecparam;
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auditallow $1 security_t:security setsecparam;
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typeattribute $1 can_setsecparam;
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')
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########################################
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## <summary>
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## Allows caller to validate security contexts.
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## </summary>
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## <param name="domain">
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## <summary>
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## The process type permitted to validate contexts.
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`selinux_validate_context',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security check_context;
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')
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########################################
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## <summary>
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## Allows caller to compute an access vector.
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## </summary>
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## <param name="domain">
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## <summary>
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## The process type allowed to compute an access vector.
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`selinux_compute_access_vector',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security compute_av;
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')
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########################################
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## <summary>
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## Calculate the default type for object creation.
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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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## <rolecap/>
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#
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interface(`selinux_compute_create_context',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security compute_create;
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')
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########################################
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## <summary>
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## Allows caller to compute polyinstatntiated
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## directory members.
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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(`selinux_compute_member',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security compute_member;
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')
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########################################
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## <summary>
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## Calculate the context for relabeling objects.
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## </summary>
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## <desc>
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## <p>
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## Calculate the context for relabeling objects.
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## This is determined by using the type_change
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## rules in the policy, and is generally used
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## for determining the context for relabeling
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## a terminal when a user logs in.
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## </p>
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## </desc>
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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(`selinux_compute_relabel_context',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security compute_relabel;
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')
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########################################
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## <summary>
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## Allows caller to compute possible contexts for a user.
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## </summary>
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## <param name="domain">
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## <summary>
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## The process type allowed to compute user contexts.
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## </summary>
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## </param>
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#
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interface(`selinux_compute_user_contexts',`
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gen_require(`
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type security_t;
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')
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allow $1 security_t:dir list_dir_perms;
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allow $1 security_t:file { getattr read write };
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allow $1 security_t:security compute_user;
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')
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########################################
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## <summary>
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## Unconfined access to the SELinux kernel security server.
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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(`selinux_unconfined',`
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gen_require(`
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attribute selinux_unconfined_type;
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')
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typeattribute $1 selinux_unconfined_type;
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')
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