[IPSEC]: Add compatibility algorithm name support

[linux-2.6] / net / xfrm / xfrm_user.c

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 81d1005830f4d23d88ba4b06c4932fef1f060345..fa79ddc4239e071c2d524c76285631c26005e65e 100644 (file)
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -10,6 +10,7 @@
  *
  */
 
+#include <linux/crypto.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -212,6 +213,7 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props,
                return -ENOMEM;
 
        memcpy(p, ualg, len);
+       strcpy(p->alg_name, algo->name);
        *algpp = p;
        return 0;
 }
@@ -427,23 +429,25 @@ static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
        if (x == NULL)
                return -ESRCH;
 
+       if ((err = security_xfrm_state_delete(x)) != 0)
+               goto out;
+
        if (xfrm_state_kern(x)) {
-               xfrm_state_put(x);
-               return -EPERM;
+               err = -EPERM;
+               goto out;
        }
 
        err = xfrm_state_delete(x);
-       if (err < 0) {
-               xfrm_state_put(x);
-               return err;
-       }
+       if (err < 0)
+               goto out;
 
        c.seq = nlh->nlmsg_seq;
        c.pid = nlh->nlmsg_pid;
        c.event = nlh->nlmsg_type;
        km_state_notify(x, &c);
-       xfrm_state_put(x);
 
+out:
+       xfrm_state_put(x);
        return err;
 }
 
@@ -1055,6 +1059,8 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfr
                                              MSG_DONTWAIT);
                }
        } else {
+               if ((err = security_xfrm_policy_delete(xp)) != 0)
+                       goto out;
                c.data.byid = p->index;
                c.event = nlh->nlmsg_type;
                c.seq = nlh->nlmsg_seq;
@@ -1064,6 +1070,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfr
 
        xfrm_pol_put(xp);
 
+out:
        return err;
 }
 
@@ -1430,7 +1437,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *err
        link = &xfrm_dispatch[type];
 
        /* All operations require privileges, even GET */
-       if (security_netlink_recv(skb)) {
+       if (security_netlink_recv(skb, CAP_NET_ADMIN)) {
                *errp = -EPERM;
                return -1;
        }