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security: add a secctx_to_secid() hook

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Add a secctx_to_secid() LSM hook to go along with the existing
secid_to_secctx() LSM hook.  This patch also includes the SELinux
implementation for this hook.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells
2008-01-15 23:47:35 +00:00
committed by James Morris
parent c43e259cc7
commit 63cb344923
4 changed files with 31 additions and 0 deletions
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6
security/selinux/hooks.c
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@@ -4947,6 +4947,11 @@ static int selinux_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
return security_sid_to_context(secid, secdata, seclen);
}
static int selinux_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
{
return security_context_to_sid(secdata, seclen, secid);
}
static void selinux_release_secctx(char *secdata, u32 seclen)
{
kfree(secdata);
@@ -5138,6 +5143,7 @@ static struct security_operations selinux_ops = {
.setprocattr = selinux_setprocattr,
.secid_to_secctx = selinux_secid_to_secctx,
.secctx_to_secid = selinux_secctx_to_secid,
.release_secctx = selinux_release_secctx,
.unix_stream_connect = selinux_socket_unix_stream_connect,