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Add ability to not specify a zone identifier twice, when both source and

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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
This commit is contained in:
Andrey V. Elsukov 2014-12-16 14:59:20 +00:00
parent d03f0c5199
commit 8150c3ec36
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=275830
1 changed files with 13 additions and 4 deletions
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17
sbin/ping6/ping6.c
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@ -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));