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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 18:02:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 18:02:35 -0700
commit334d094504c2fe1c44211ecb49146ae6bca8c321 (patch)
treed3c0f68e4b9f8e3d2ccc39e7dfe5de0534a5fad9 /security/selinux/xfrm.c
parentx86 PAT: fix mmap() of holes (diff)
parent[NET]: Fix and allocate less memory for ->priv'less netdevices (diff)
downloadlinux-dev-334d094504c2fe1c44211ecb49146ae6bca8c321.tar.xz
linux-dev-334d094504c2fe1c44211ecb49146ae6bca8c321.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits) [NET]: Fix and allocate less memory for ->priv'less netdevices [IPV6]: Fix dangling references on error in fib6_add(). [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found [PKT_SCHED]: Fix datalen check in tcf_simp_init(). [INET]: Uninline the __inet_inherit_port call. [INET]: Drop the inet_inherit_port() call. SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked. [netdrvr] forcedeth: internal simplifications; changelog removal phylib: factor out get_phy_id from within get_phy_device PHY: add BCM5464 support to broadcom PHY driver cxgb3: Fix __must_check warning with dev_dbg. tc35815: Statistics cleanup natsemi: fix MMIO for PPC 44x platforms [TIPC]: Cleanup of TIPC reference table code [TIPC]: Optimized initialization of TIPC reference table [TIPC]: Remove inlining of reference table locking routines e1000: convert uint16_t style integers to u16 ixgb: convert uint16_t style integers to u16 sb1000.c: make const arrays static sb1000.c: stop inlining largish static functions ...
Diffstat (limited to 'security/selinux/xfrm.c')
-rw-r--r--security/selinux/xfrm.c39
1 files changed, 16 insertions, 23 deletions
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 7e158205d081..874d17c83c61 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -77,20 +77,18 @@ static inline int selinux_authorizable_xfrm(struct xfrm_state *x)
* LSM hook implementation that authorizes that a flow can use
* a xfrm policy rule.
*/
-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 rc;
u32 sel_sid;
- struct xfrm_sec_ctx *ctx;
/* Context sid is either set to label or ANY_ASSOC */
- if ((ctx = xp->security)) {
+ if (ctx) {
if (!selinux_authorizable_ctx(ctx))
return -EINVAL;
sel_sid = ctx->ctx_sid;
- }
- else
+ } else
/*
* All flows should be treated as polmatch'ing an
* otherwise applicable "non-labeled" policy. This
@@ -103,7 +101,7 @@ int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
NULL);
if (rc == -EACCES)
- rc = -ESRCH;
+ return -ESRCH;
return rc;
}
@@ -287,15 +285,14 @@ out2:
* LSM hook implementation that allocs and transfers uctx spec to
* xfrm_policy.
*/
-int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
- struct xfrm_user_sec_ctx *uctx)
+int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
+ struct xfrm_user_sec_ctx *uctx)
{
int err;
- BUG_ON(!xp);
BUG_ON(!uctx);
- err = selinux_xfrm_sec_ctx_alloc(&xp->security, uctx, 0);
+ err = selinux_xfrm_sec_ctx_alloc(ctxp, uctx, 0);
if (err == 0)
atomic_inc(&selinux_xfrm_refcount);
@@ -307,32 +304,29 @@ int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
* LSM hook implementation that copies security data structure from old to
* new for policy cloning.
*/
-int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
+int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
+ struct xfrm_sec_ctx **new_ctxp)
{
- struct xfrm_sec_ctx *old_ctx, *new_ctx;
-
- old_ctx = old->security;
+ struct xfrm_sec_ctx *new_ctx;
if (old_ctx) {
- new_ctx = new->security = kmalloc(sizeof(*new_ctx) +
- old_ctx->ctx_len,
- GFP_KERNEL);
-
+ new_ctx = kmalloc(sizeof(*old_ctx) + old_ctx->ctx_len,
+ GFP_KERNEL);
if (!new_ctx)
return -ENOMEM;
memcpy(new_ctx, old_ctx, sizeof(*new_ctx));
memcpy(new_ctx->ctx_str, old_ctx->ctx_str, new_ctx->ctx_len);
+ *new_ctxp = new_ctx;
}
return 0;
}
/*
- * LSM hook implementation that frees xfrm_policy security information.
+ * LSM hook implementation that frees xfrm_sec_ctx security information.
*/
-void selinux_xfrm_policy_free(struct xfrm_policy *xp)
+void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
{
- struct xfrm_sec_ctx *ctx = xp->security;
if (ctx)
kfree(ctx);
}
@@ -340,10 +334,9 @@ void selinux_xfrm_policy_free(struct xfrm_policy *xp)
/*
* LSM hook implementation that authorizes deletion of labeled policies.
*/
-int selinux_xfrm_policy_delete(struct xfrm_policy *xp)
+int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
{
struct task_security_struct *tsec = current->security;
- struct xfrm_sec_ctx *ctx = xp->security;
int rc = 0;
if (ctx) {