Thread (19 messages) 19 messages, 5 authors, 2017-08-04

[PATCH v5] ss: Enclose IPv6 address in brackets

STALE3346d

From: Florian Lehner <hidden>
Date: 2017-08-04 18:02:54
Subsystem: the rest · Maintainer: Linus Torvalds

This updated patch adds support for RFC2732 IPv6 address format with
brackets for the tool ss.

Now checking the complete IPv6 address if it is IN6ADDR_ANY.

Signed-off-by: Lehner Florian <redacted>
---
 misc/ss.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/misc/ss.c b/misc/ss.c
index 12763c9..83683b5 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -1046,8 +1046,9 @@ do_numeric:

 static void inet_addr_print(const inet_prefix *a, int port, unsigned
int ifindex)
 {
-	char buf[1024];
+	char buf[1024], buf2[1024];
 	const char *ap = buf;
+	char *c = NULL;
 	int est_len = addr_width;
 	const char *ifname = NULL;
@@ -1059,7 +1060,18 @@ static void inet_addr_print(const inet_prefix *a,
int port, unsigned int ifindex
 			ap = format_host(AF_INET, 4, a->data);
 		}
 	} else {
-		ap = format_host(a->family, 16, a->data);
+		if (a->data[0] == 0 && a->data[1] == 0 &&
+		    a->data[2] == 0 && a->data[3] == 0) {
+				buf[0] = '*';
+				buf[1] = 0;
+		} else {
+			ap = format_host(a->family, 16, a->data);
+			c = strchr(ap, ':');
+			if (c != NULL && a->family == AF_INET6) {
+				sprintf(buf2, "[%s]", ap);
+				ap = buf2;
+			}
+		}
 		est_len = strlen(ap);
 		if (est_len <= addr_width)
 			est_len = addr_width;
-- 
2.9.4
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help