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dirmngr: Avoid network queries for literal IP addresses.

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* dirmngr/dns-stuff.c (resolve_name_libdns): USe flags AI_NUMERICHOST
for literal IP addresses.
(resolve_name_standard): Ditto.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-01-16 09:10:46 +01:00
parent 82646bbf1a
commit daae97bc14
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 4 additions and 0 deletions
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4
dirmngr/dns-stuff.c
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@ -685,6 +685,8 @@ resolve_name_libdns (const char *name, unsigned short port,
hints.ai_flags = AI_ADDRCONFIG; hints.ai_flags = AI_ADDRCONFIG;
if (r_canonname) if (r_canonname)
hints.ai_flags |= AI_CANONNAME; hints.ai_flags |= AI_CANONNAME;
if (is_ip_address (name))
hints.ai_flags |= AI_NUMERICHOST;
if (port) if (port)
{ {
@ -806,6 +808,8 @@ resolve_name_standard (const char *name, unsigned short port,
hints.ai_flags = AI_ADDRCONFIG; hints.ai_flags = AI_ADDRCONFIG;
if (r_canonname) if (r_canonname)
hints.ai_flags |= AI_CANONNAME; hints.ai_flags |= AI_CANONNAME;
if (is_ip_address (name))
hints.ai_flags |= AI_NUMERICHOST;
if (port) if (port)
snprintf (portstr, sizeof portstr, "%hu", port); snprintf (portstr, sizeof portstr, "%hu", port);