[Pkg-gnupg-commit] [gnupg2] 75/116: dirmngr: Avoid network queries for literal IP addresses.

[Daniel Kahn Gillmor]

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dkg pushed a commit to branch master
in repository gnupg2.

commit daae97bc14742c75408c4eb05808a2102cfe2bcf
Author: Werner Koch <wk at gnupg.org>
Date:   Mon Jan 16 09:10:46 2017 +0100

    dirmngr: Avoid network queries for literal IP addresses.
    
    * 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 at gnupg.org>
---
 dirmngr/dns-stuff.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dirmngr/dns-stuff.c b/dirmngr/dns-stuff.c
index 1b30c2c..2debdca 100644
--- a/dirmngr/dns-stuff.c
+++ b/dirmngr/dns-stuff.c
@@ -685,6 +685,8 @@ resolve_name_libdns (const char *name, unsigned short port,
   hints.ai_flags = AI_ADDRCONFIG;
   if (r_canonname)
     hints.ai_flags |= AI_CANONNAME;
+  if (is_ip_address (name))
+    hints.ai_flags |= AI_NUMERICHOST;
 
   if (port)
     {
@@ -806,6 +808,8 @@ resolve_name_standard (const char *name, unsigned short port,
   hints.ai_flags = AI_ADDRCONFIG;
   if (r_canonname)
     hints.ai_flags |= AI_CANONNAME;
+  if (is_ip_address (name))
+    hints.ai_flags |= AI_NUMERICHOST;
 
   if (port)
     snprintf (portstr, sizeof portstr, "%hu", port);

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