Merge tag 'v5.1.0-1' into sid

tag strongSwan 5.1.0-1

1 files changed, 28 insertions, 2 deletions

diff --git a/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c b/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c
index dad3fb68e..fd00c23af 100644
--- a/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c
+++ b/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c
@@ -21,7 +21,7 @@
 
 #include "kernel_netlink_shared.h"
 
-#include <debug.h>
+#include <utils/debug.h>
 #include <threading/mutex.h>
 
 typedef struct private_netlink_socket_t private_netlink_socket_t;
@@ -206,6 +206,11 @@ METHOD(netlink_socket_t, netlink_send_ack, status_t,
 						free(out);
 						return ALREADY_DONE;
 					}
+					if (-err->error == ESRCH)
+					{	/* do not report missing entries */
+						free(out);
+						return NOT_FOUND;
+					}
 					DBG1(DBG_KNL, "received netlink error: %s (%d)",
 						 strerror(-err->error), -err->error);
 					free(out);
@@ -287,7 +292,7 @@ void netlink_add_attribute(struct nlmsghdr *hdr, int rta_type, chunk_t data,
 {
 	struct rtattr *rta;
 
-	if (NLMSG_ALIGN(hdr->nlmsg_len) + RTA_ALIGN(data.len) > buflen)
+	if (NLMSG_ALIGN(hdr->nlmsg_len) + RTA_LENGTH(data.len) > buflen)
 	{
 		DBG1(DBG_KNL, "unable to add attribute, buffer too small");
 		return;
@@ -299,3 +304,24 @@ void netlink_add_attribute(struct nlmsghdr *hdr, int rta_type, chunk_t data,
 	memcpy(RTA_DATA(rta), data.ptr, data.len);
 	hdr->nlmsg_len = NLMSG_ALIGN(hdr->nlmsg_len) + rta->rta_len;
 }
+
+/**
+ * Described in header.
+ */
+void* netlink_reserve(struct nlmsghdr *hdr, int buflen, int type, int len)
+{
+	struct rtattr *rta;
+
+	if (NLMSG_ALIGN(hdr->nlmsg_len) + RTA_LENGTH(len) > buflen)
+	{
+		DBG1(DBG_KNL, "unable to add attribute, buffer too small");
+		return NULL;
+	}
+
+	rta = ((void*)hdr) + NLMSG_ALIGN(hdr->nlmsg_len);
+	rta->rta_type = type;
+	rta->rta_len = RTA_LENGTH(len);
+	hdr->nlmsg_len = NLMSG_ALIGN(hdr->nlmsg_len) + rta->rta_len;
+
+	return RTA_DATA(rta);
+}