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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2015-10-21 17:44:25 -0400
committerPaul Moore <pmoore@redhat.com>2015-10-21 17:44:25 -0400
commit44be2f65d979291ffb2a47112449507ffe1f9726 (patch)
tree9f3732d534de8425f6bf5d7519812263d0c292c9 /security/selinux/include
parent44d37ad3602b3823764eeb0f6c1ee3ef6c4fb936 (diff)
selinux: introduce security_context_str_to_sid
There seems to be a little confusion as to whether the scontext_len parameter of security_context_to_sid() includes the nul-byte or not. Reading security_context_to_sid_core(), it seems that the expectation is that it does not (both the string copying and the test for scontext_len being zero hint at that). Introduce the helper security_context_str_to_sid() to do the strlen() call and fix all callers. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Paul Moore <pmoore@redhat.com>
Diffstat (limited to 'security/selinux/include')
-rw-r--r--security/selinux/include/security.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 6a681d26bf20..223e9fd15d66 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -166,6 +166,8 @@ int security_sid_to_context_force(u32 sid, char **scontext, u32 *scontext_len);
int security_context_to_sid(const char *scontext, u32 scontext_len,
u32 *out_sid, gfp_t gfp);
+int security_context_str_to_sid(const char *scontext, u32 *out_sid, gfp_t gfp);
+
int security_context_to_sid_default(const char *scontext, u32 scontext_len,
u32 *out_sid, u32 def_sid, gfp_t gfp_flags);