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Issue 1447: Pass proper Host header and SNI when SRV is used with curl.

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* configure.ac: Check for inet_ntop.

* m4/libcurl.m4: Provide a #define for the version of the curl
  library.

* keyserver/gpgkeys_hkp.c (main, srv_replace): Call getaddrinfo() on
  each target.  Once we find one that resolves to an address (whether
  IPv4 or IPv6), pass it into libcurl via CURLOPT_RESOLVE using the
  SRV name as the "host".  Force the HTTP Host header to be the same.
This commit is contained in:
David Shaw 2012-12-17 23:52:15 -05:00
parent cbe98b2cb1
commit 6b1f71055e
3 changed files with 114 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

9
m4/libcurl.m4
View file

@ -65,6 +65,10 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
AC_PROG_AWK
_libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'"
# More recent versions of curl-config have a direct --vernum
# option, but we'd like this code to work with older versions as
# well, so just convert --version.
_libcurl_vernum_parse="eval $AWK '{printf \"0x%06X\",\$NF}'"
_libcurl_try_link=yes
@ -184,6 +188,10 @@ x=CURLOPT_VERBOSE;
AC_SUBST(LIBCURL_CPPFLAGS)
AC_SUBST(LIBCURL)
_libcurl_vernum=`echo $_libcurl_version | $_libcurl_vernum_parse`
AC_DEFINE_UNQUOTED(LIBCURL_VERNUM,$_libcurl_vernum,[The version of the libcurl library in packed hex form])
for _libcurl_feature in $_libcurl_features ; do
AC_DEFINE_UNQUOTED(AS_TR_CPP(libcurl_feature_$_libcurl_feature),[1])
eval AS_TR_SH(libcurl_feature_$_libcurl_feature)=yes
@ -224,6 +232,7 @@ x=CURLOPT_VERBOSE;
unset _libcurl_protocol
unset _libcurl_protocols
unset _libcurl_version
unset _libcurl_vernum
unset _libcurl_ldflags
fi