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authorPaul Moore <paul.moore@hp.com>2008-04-12 19:07:52 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-12 19:07:52 -0700
commit03e1ad7b5d871d4189b1da3125c2f12d1b5f7d0b (patch)
tree1e7f291ac6bd0c1f3a95e8252c32fcce7ff47ea7 /security/selinux/include
parent00447872a643787411c2c0cb1df6169dda8b0c47 (diff)
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LSM: Make the Labeled IPsec hooks more stack friendly
The xfrm_get_policy() and xfrm_add_pol_expire() put some rather large structs on the stack to work around the LSM API. This patch attempts to fix that problem by changing the LSM API to require only the relevant "security" pointers instead of the entire SPD entry; we do this for all of the security_xfrm_policy*() functions to keep things consistent. Signed-off-by: Paul Moore <paul.moore@hp.com> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'security/selinux/include')
-rw-r--r--security/selinux/include/xfrm.h13
1 files changed, 7 insertions, 6 deletions
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 36b0510efa7..289e24b39e3 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -7,16 +7,17 @@
#ifndef _SELINUX_XFRM_H_
#define _SELINUX_XFRM_H_
-int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
- struct xfrm_user_sec_ctx *sec_ctx);
-int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
-void selinux_xfrm_policy_free(struct xfrm_policy *xp);
-int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
+int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
+ struct xfrm_user_sec_ctx *sec_ctx);
+int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
+ struct xfrm_sec_ctx **new_ctxp);
+void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
+int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
int selinux_xfrm_state_alloc(struct xfrm_state *x,
struct xfrm_user_sec_ctx *sec_ctx, u32 secid);
void selinux_xfrm_state_free(struct xfrm_state *x);
int selinux_xfrm_state_delete(struct xfrm_state *x);
-int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
+int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp, struct flowi *fl);