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authorae <ae@FreeBSD.org>2014-12-16 14:59:20 +0000
committerae <ae@FreeBSD.org>2014-12-16 14:59:20 +0000
commit34b8e89a504e6c2ecdd43ae19e270b0eee73b4b0 (patch)
treeb08f2934a29d0eba4cc7b1f8311e6aac42ee37c5 /sbin/ping6
parenta9f7c229c6a9dc1d708c3deef661d6fc84ce4e8d (diff)
downloadFreeBSD-src-34b8e89a504e6c2ecdd43ae19e270b0eee73b4b0.zip
FreeBSD-src-34b8e89a504e6c2ecdd43ae19e270b0eee73b4b0.tar.gz
Add ability to not specify a zone identifier twice, when both source and
destination addresses are specified. For example: # ping6 -S fe80::1%ix0 ff02::1 or # ping6 -S fe80::1 fe80::2%ix0 Obtained from: Yandex LLC Sponsored by: Yandex LLC
Diffstat (limited to 'sbin/ping6')
-rw-r--r--sbin/ping6/ping6.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/sbin/ping6/ping6.c b/sbin/ping6/ping6.c
index fa314f6..d71c021 100644
--- a/sbin/ping6/ping6.c
+++ b/sbin/ping6/ping6.c
@@ -648,11 +648,20 @@ main(int argc, char *argv[])
err(1, "socket");
/* set the source address if specified. */
- if ((options & F_SRCADDR) &&
- bind(s, (struct sockaddr *)&src, srclen) != 0) {
- err(1, "bind");
+ if ((options & F_SRCADDR) != 0) {
+ /* properly fill sin6_scope_id */
+ if (IN6_IS_ADDR_LINKLOCAL(&src.sin6_addr) && (
+ IN6_IS_ADDR_LINKLOCAL(&dst.sin6_addr) ||
+ IN6_IS_ADDR_MC_LINKLOCAL(&dst.sin6_addr) ||
+ IN6_IS_ADDR_MC_NODELOCAL(&dst.sin6_addr))) {
+ if (src.sin6_scope_id == 0)
+ src.sin6_scope_id = dst.sin6_scope_id;
+ if (dst.sin6_scope_id == 0)
+ dst.sin6_scope_id = src.sin6_scope_id;
+ }
+ if (bind(s, (struct sockaddr *)&src, srclen) != 0)
+ err(1, "bind");
}
-
/* set the gateway (next hop) if specified */
if (gateway) {
memset(&hints, 0, sizeof(hints));
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