aboutsummaryrefslogtreecommitdiff
path: root/security/selinux/ss
diff options
context:
space:
mode:
authorPaul Moore <paul.moore@hp.com>2006-08-29 17:53:48 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:18:34 -0700
commit99f59ed073d3c1b890690064ab285a201dea2e35 (patch)
tree0f6ae012cf4f988d3ae0c665fd3b12ea05409ec8 /security/selinux/ss
parentfc747e82b40ea50a62eb2aef55bedd4465607cb0 (diff)
[NetLabel]: Correctly initialize the NetLabel fields.
Fix a problem where the NetLabel specific fields of the sk_security_struct structure were not being initialized early enough in some cases. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'security/selinux/ss')
-rw-r--r--security/selinux/ss/services.c45
1 files changed, 43 insertions, 2 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 910afa1ffc3..835b485b2af 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2423,6 +2423,45 @@ netlbl_socket_setsid_return:
}
/**
+ * selinux_netlbl_sk_security_init - Setup the NetLabel fields
+ * @ssec: the sk_security_struct
+ * @family: the socket family
+ *
+ * Description:
+ * Called when a new sk_security_struct is allocated to initialize the NetLabel
+ * fields.
+ *
+ */
+void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
+ int family)
+{
+ if (family == PF_INET)
+ ssec->nlbl_state = NLBL_REQUIRE;
+ else
+ ssec->nlbl_state = NLBL_UNSET;
+}
+
+/**
+ * selinux_netlbl_sk_clone_security - Copy the NetLabel fields
+ * @ssec: the original sk_security_struct
+ * @newssec: the cloned sk_security_struct
+ *
+ * Description:
+ * Clone the NetLabel specific sk_security_struct fields from @ssec to
+ * @newssec.
+ *
+ */
+void selinux_netlbl_sk_clone_security(struct sk_security_struct *ssec,
+ struct sk_security_struct *newssec)
+{
+ newssec->sclass = ssec->sclass;
+ if (ssec->nlbl_state != NLBL_UNSET)
+ newssec->nlbl_state = NLBL_REQUIRE;
+ else
+ newssec->nlbl_state = NLBL_UNSET;
+}
+
+/**
* selinux_netlbl_socket_post_create - Label a socket using NetLabel
* @sock: the socket to label
* @sock_family: the socket family
@@ -2440,10 +2479,11 @@ int selinux_netlbl_socket_post_create(struct socket *sock,
struct inode_security_struct *isec = SOCK_INODE(sock)->i_security;
struct sk_security_struct *sksec = sock->sk->sk_security;
+ sksec->sclass = isec->sclass;
+
if (sock_family != PF_INET)
return 0;
- sksec->sclass = isec->sclass;
sksec->nlbl_state = NLBL_REQUIRE;
return selinux_netlbl_socket_setsid(sock, sid);
}
@@ -2463,12 +2503,13 @@ void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock)
struct inode_security_struct *isec = SOCK_INODE(sock)->i_security;
struct sk_security_struct *sksec = sk->sk_security;
+ sksec->sclass = isec->sclass;
+
if (sk->sk_family != PF_INET)
return;
sksec->nlbl_state = NLBL_REQUIRE;
sksec->peer_sid = sksec->sid;
- sksec->sclass = isec->sclass;
/* Try to set the NetLabel on the socket to save time later, if we fail
* here we will pick up the pieces in later calls to