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Use the new host_str* functions to improve IPv6 literal support.

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I've gone through everywhere we handle host names / addresses (on
command lines, in PuTTY config, in port forwarding, in X display
names, in host key storage...) and tried to make them handle IPv6
literals sensibly, by using the host_str* functions I introduced in my
previous commit. Generally it's now OK to use a bracketed IPv6 literal
anywhere a hostname might have been valid; in a few cases where no
ambiguity exists (e.g. no :port suffix is permitted anyway)
unbracketed IPv6 literals are also acceptable.

[originally from svn r10120]
This commit is contained in:
Simon Tatham
2014-01-25 15:58:54 +00:00
parent 0348f57077
commit 8da4fa5063
14 changed files with 65 additions and 78 deletions
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8
windows/winnet.c
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@ -527,7 +527,13 @@ SockAddr sk_namelookup(const char *host, char **canonicalname,
memset(&hints, 0, sizeof(hints));
hints.ai_family = hint_family;
hints.ai_flags = AI_CANONNAME;
if ((err = p_getaddrinfo(host, NULL, &hints, &ret->ais)) == 0)
{
/* strip [] on IPv6 address literals */
char *trimmed_host = host_strduptrim(host);
err = p_getaddrinfo(trimmed_host, NULL, &hints, &ret->ais);
sfree(trimmed_host);
}
if (err == 0)
ret->resolved = TRUE;
} else
#endif