diff mbox

[2/4] mount: present AF_VSOCK addresses

Message ID 1475834503-3984-3-git-send-email-stefanha@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Stefan Hajnoczi Oct. 7, 2016, 10:01 a.m. UTC 
Format vsock hosts as "vsock:<cid>" so the addresses can be easily
distinguished from IPv4 and IPv6 addresses.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 utils/mount/network.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/utils/mount/network.c b/utils/mount/network.c
index 7dceb2d..dcc38ca 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -44,6 +44,8 @@ 
 #include <rpc/pmap_prot.h>
 #include <rpc/pmap_clnt.h>
 
+#include <linux/vm_sockets.h>
+
 #include "sockaddr.h"
 #include "xcommon.h"
 #include "mount.h"
@@ -324,6 +326,12 @@  int nfs_string_to_sockaddr(const char *address, struct sockaddr *sap,
 int nfs_present_sockaddr(const struct sockaddr *sap, const socklen_t salen,
 			 char *buf, const size_t buflen)
 {
+	if (sap->sa_family == AF_VSOCK) {
+		snprintf(buf, buflen, "vsock:%u",
+			 ((struct sockaddr_vm *)sap)->svm_cid);
+		return 1;
+	}
+
 #ifdef HAVE_GETNAMEINFO
 	int result;