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| author | Trent Jaeger <tjaeger@cse.psu.edu> | 2006-01-06 13:22:39 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-01-06 13:22:39 -0800 |
| commit | 5f8ac64b15172c7ced7d7990eb28342092bc751b (patch) | |
| tree | 63046817c9a6e8db513379337f01289c045a5d63 | |
| parent | 69549ddd2f894c4cead50ee2b60cc02990c389ad (diff) | |
| download | linux-5f8ac64b15172c7ced7d7990eb28342092bc751b.tar.gz linux-5f8ac64b15172c7ced7d7990eb28342092bc751b.tar.bz2 linux-5f8ac64b15172c7ced7d7990eb28342092bc751b.zip | |
[LSM-IPSec]: Corrections to LSM-IPSec Nethooks
This patch contains two corrections to the LSM-IPsec Nethooks patches
previously applied.
(1) free a security context on a failed insert via xfrm_user
interface in xfrm_add_policy. Memory leak.
(2) change the authorization of the allocation of a security context
in a xfrm_policy or xfrm_state from both relabelfrom and relabelto
to setcontext.
Signed-off-by: Trent Jaeger <tjaeger@cse.psu.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/xfrm/xfrm_user.c | 1 | ||||
| -rw-r--r-- | security/selinux/include/av_perm_to_string.h | 3 | ||||
| -rw-r--r-- | security/selinux/include/av_permissions.h | 3 | ||||
| -rw-r--r-- | security/selinux/xfrm.c | 8 |
4 files changed, 4 insertions, 11 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 92e2b804c606..ac87a09ba83e 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -802,6 +802,7 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfr excl = nlh->nlmsg_type == XFRM_MSG_NEWPOLICY; err = xfrm_policy_insert(p->dir, xp, excl); if (err) { + security_xfrm_policy_free(xp); kfree(xp); return err; } diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h index 71aeb12f07c8..591e98d9315a 100644 --- a/security/selinux/include/av_perm_to_string.h +++ b/security/selinux/include/av_perm_to_string.h @@ -238,5 +238,4 @@ S_(SECCLASS_NSCD, NSCD__SHMEMHOST, "shmemhost") S_(SECCLASS_ASSOCIATION, ASSOCIATION__SENDTO, "sendto") S_(SECCLASS_ASSOCIATION, ASSOCIATION__RECVFROM, "recvfrom") - S_(SECCLASS_ASSOCIATION, ASSOCIATION__RELABELFROM, "relabelfrom") - S_(SECCLASS_ASSOCIATION, ASSOCIATION__RELABELTO, "relabelto") + S_(SECCLASS_ASSOCIATION, ASSOCIATION__SETCONTEXT, "setcontext") diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h index d1d0996049e3..d7f02edf3930 100644 --- a/security/selinux/include/av_permissions.h +++ b/security/selinux/include/av_permissions.h @@ -908,8 +908,7 @@ #define ASSOCIATION__SENDTO 0x00000001UL #define ASSOCIATION__RECVFROM 0x00000002UL -#define ASSOCIATION__RELABELFROM 0x00000004UL -#define ASSOCIATION__RELABELTO 0x00000008UL +#define ASSOCIATION__SETCONTEXT 0x00000004UL #define NETLINK_KOBJECT_UEVENT_SOCKET__IOCTL 0x00000001UL #define NETLINK_KOBJECT_UEVENT_SOCKET__READ 0x00000002UL diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c index c4d87d4dca7b..5b7776504e4c 100644 --- a/security/selinux/xfrm.c +++ b/security/selinux/xfrm.c @@ -137,15 +137,9 @@ static int selinux_xfrm_sec_ctx_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_us * Must be permitted to relabel from default socket type (process type) * to specified context */ - rc = avc_has_perm(tsec->sid, tsec->sid, - SECCLASS_ASSOCIATION, - ASSOCIATION__RELABELFROM, NULL); - if (rc) - goto out; - rc = avc_has_perm(tsec->sid, ctx->ctx_sid, SECCLASS_ASSOCIATION, - ASSOCIATION__RELABELTO, NULL); + ASSOCIATION__SETCONTEXT, NULL); if (rc) goto out; |