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authorJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
committerJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
commitd2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch)
tree98a3741b4d4b27a48b3c7ea9babe331e539416a8 /security
parentd03a5d888fb688c832d470b749acc5ed38e0bc1d (diff)
parent0c21e3aaf6ae85bee804a325aa29c325209180fd (diff)
downloadlinux-linaro-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.gz
Merge branch 'master' into next
Conflicts: security/smack/smack_lsm.c Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au> Ok'd by Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
-rw-r--r--security/capability.c2
-rw-r--r--security/integrity/ima/ima_policy.c2
-rw-r--r--security/keys/request_key.c1
-rw-r--r--security/security.c12
-rw-r--r--security/selinux/hooks.c22
-rw-r--r--security/selinux/selinuxfs.c16
-rw-r--r--security/smack/smack_lsm.c14
-rw-r--r--security/tomoyo/realpath.c1
8 files changed, 42 insertions, 28 deletions
diff --git a/security/capability.c b/security/capability.c
index c773635ca3a..2a5df2b7da8 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -548,7 +548,7 @@ static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
}
#ifdef CONFIG_SECURITY_NETWORK
-static int cap_unix_stream_connect(struct socket *sock, struct socket *other,
+static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
struct sock *newsk)
{
return 0;
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index aef8c0a923a..d661afbe474 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -253,6 +253,8 @@ static int ima_lsm_rule_init(struct ima_measure_rule_entry *entry,
result = security_filter_rule_init(entry->lsm[lsm_rule].type,
Audit_equal, args,
&entry->lsm[lsm_rule].rule);
+ if (!entry->lsm[lsm_rule].rule)
+ return -EINVAL;
return result;
}
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 0088dd8bf68..0ea52d25a6b 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -403,7 +403,6 @@ link_check_failed:
return ret;
link_prealloc_failed:
- up_write(&dest_keyring->sem);
mutex_unlock(&user->cons_lock);
kleave(" = %d [prelink]", ret);
return ret;
diff --git a/security/security.c b/security/security.c
index 1b798d3df71..739e40362f4 100644
--- a/security/security.c
+++ b/security/security.c
@@ -513,6 +513,15 @@ int security_inode_permission(struct inode *inode, int mask)
return security_ops->inode_permission(inode, mask);
}
+int security_inode_exec_permission(struct inode *inode, unsigned int flags)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return 0;
+ if (flags)
+ return -ECHILD;
+ return security_ops->inode_permission(inode, MAY_EXEC);
+}
+
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
@@ -977,8 +986,7 @@ EXPORT_SYMBOL(security_inode_getsecctx);
#ifdef CONFIG_SECURITY_NETWORK
-int security_unix_stream_connect(struct socket *sock, struct socket *other,
- struct sock *newsk)
+int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
{
return security_ops->unix_stream_connect(sock, other, newsk);
}
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 65fa8bf596f..6f637d2678a 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3921,18 +3921,18 @@ static int selinux_socket_shutdown(struct socket *sock, int how)
return sock_has_perm(current, sock->sk, SOCKET__SHUTDOWN);
}
-static int selinux_socket_unix_stream_connect(struct socket *sock,
- struct socket *other,
+static int selinux_socket_unix_stream_connect(struct sock *sock,
+ struct sock *other,
struct sock *newsk)
{
- struct sk_security_struct *sksec_sock = sock->sk->sk_security;
- struct sk_security_struct *sksec_other = other->sk->sk_security;
+ struct sk_security_struct *sksec_sock = sock->sk_security;
+ struct sk_security_struct *sksec_other = other->sk_security;
struct sk_security_struct *sksec_new = newsk->sk_security;
struct common_audit_data ad;
int err;
COMMON_AUDIT_DATA_INIT(&ad, NET);
- ad.u.net.sk = other->sk;
+ ad.u.net.sk = other;
err = avc_has_perm(sksec_sock->sid, sksec_other->sid,
sksec_other->sclass,
@@ -4520,11 +4520,11 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
if (selinux_secmark_enabled())
if (avc_has_perm(sksec->sid, skb->secmark,
SECCLASS_PACKET, PACKET__SEND, &ad))
- return NF_DROP;
+ return NF_DROP_ERR(-ECONNREFUSED);
if (selinux_policycap_netpeer)
if (selinux_xfrm_postroute_last(sksec->sid, skb, &ad, proto))
- return NF_DROP;
+ return NF_DROP_ERR(-ECONNREFUSED);
return NF_ACCEPT;
}
@@ -4581,7 +4581,7 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
secmark_perm = PACKET__SEND;
break;
default:
- return NF_DROP;
+ return NF_DROP_ERR(-ECONNREFUSED);
}
if (secmark_perm == PACKET__FORWARD_OUT) {
if (selinux_skb_peerlbl_sid(skb, family, &peer_sid))
@@ -4603,7 +4603,7 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
if (secmark_active)
if (avc_has_perm(peer_sid, skb->secmark,
SECCLASS_PACKET, secmark_perm, &ad))
- return NF_DROP;
+ return NF_DROP_ERR(-ECONNREFUSED);
if (peerlbl_active) {
u32 if_sid;
@@ -4613,13 +4613,13 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
return NF_DROP;
if (avc_has_perm(peer_sid, if_sid,
SECCLASS_NETIF, NETIF__EGRESS, &ad))
- return NF_DROP;
+ return NF_DROP_ERR(-ECONNREFUSED);
if (sel_netnode_sid(addrp, family, &node_sid))
return NF_DROP;
if (avc_has_perm(peer_sid, node_sid,
SECCLASS_NODE, NODE__SENDTO, &ad))
- return NF_DROP;
+ return NF_DROP_ERR(-ECONNREFUSED);
}
return NF_ACCEPT;
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 073fd5b0a53..43deac21949 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1145,24 +1145,28 @@ static void sel_remove_entries(struct dentry *de)
{
struct list_head *node;
- spin_lock(&dcache_lock);
+ spin_lock(&de->d_lock);
node = de->d_subdirs.next;
while (node != &de->d_subdirs) {
struct dentry *d = list_entry(node, struct dentry, d_u.d_child);
+
+ spin_lock_nested(&d->d_lock, DENTRY_D_LOCK_NESTED);
list_del_init(node);
if (d->d_inode) {
- d = dget_locked(d);
- spin_unlock(&dcache_lock);
+ dget_dlock(d);
+ spin_unlock(&de->d_lock);
+ spin_unlock(&d->d_lock);
d_delete(d);
simple_unlink(de->d_inode, d);
dput(d);
- spin_lock(&dcache_lock);
- }
+ spin_lock(&de->d_lock);
+ } else
+ spin_unlock(&d->d_lock);
node = de->d_subdirs.next;
}
- spin_unlock(&dcache_lock);
+ spin_unlock(&de->d_lock);
}
#define BOOL_DIR_NAME "booleans"
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 05dc4da2e25..533bf3255d7 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -2527,23 +2527,23 @@ static int smack_setprocattr(struct task_struct *p, char *name,
/**
* smack_unix_stream_connect - Smack access on UDS
- * @sock: one socket
- * @other: the other socket
+ * @sock: one sock
+ * @other: the other sock
* @newsk: unused
*
* Return 0 if a subject with the smack of sock could access
* an object with the smack of other, otherwise an error code
*/
-static int smack_unix_stream_connect(struct socket *sock,
- struct socket *other, struct sock *newsk)
+static int smack_unix_stream_connect(struct sock *sock,
+ struct sock *other, struct sock *newsk)
{
- struct socket_smack *ssp = sock->sk->sk_security;
- struct socket_smack *osp = other->sk->sk_security;
+ struct socket_smack *ssp = sock->sk_security;
+ struct socket_smack *osp = other->sk_security;
struct smk_audit_info ad;
int rc = 0;
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
- smk_ad_setfield_u_net_sk(&ad, other->sk);
+ smk_ad_setfield_u_net_sk(&ad, other);
if (!capable(CAP_MAC_OVERRIDE))
rc = smk_access(ssp->smk_out, osp->smk_in, MAY_WRITE, &ad);
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 1d0bf8fa192..d1e05b04771 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <net/sock.h>
#include "common.h"
+#include "../../fs/internal.h"
/**
* tomoyo_encode: Convert binary string to ascii string.