HGKeeper

certificate: Use SHA256 fingerprints instead of SHA1
release-2.x.y
2017-03-06, dx

b3d0ba7c75f6

certificate: Use SHA256 fingerprints instead of SHA1

This meant adding a get_fingerprint_sha256 function to the certificate scheme
structs, which meant adding a struct_size member because we ran out of reserved
members there.

The API-facing purple_certificate_get_fingerprint_sha256() has a fallback
parameter to use sha1 if the SSL plugin doesn't implement this function
(probably an outdated installation, or a third party SSL plugin). When using
the function for display purposes, the fallback is disabled and it returns
NULL, but when using it to compare certificates it's better to have at least
the SHA1.

In functions like purple_certificate_display_x509(), some slight changes to
translatable strings would have been required. Since we're in a string freeze
right now, I avoided those by concatenating a language-neutral "SHA256: %s" at
the end of those messages. The SHA1 line used the word "fingerprint" but we
can't reuse that translation. This should be cleaned up after the release.

dnl ###########################################################################

dnl # Configure paths for libpurple

dnl # Gary Kramlich 2005

dnl #

dnl # Based off of glib-2.0.m4 by Owen Taylor

dnl ###########################################################################

dnl # AM_PATH_PURPLE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])

dnl #

dnl # Test for purple and define PURPLE_CFLAGS, PURPLE_LIBS, PURPLE_DATADIR, and

dnl # PURPLE_LIBDIR

dnl ###########################################################################

AC_DEFUN([AM_PATH_PURPLE],

[dnl

AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

no_purple=""

if test x"$PKG_CONFIG" != x"no" ; then

if $PKG_CONFIG --atleast-pkgconfig-version 0.7 ; then

else

echo "*** pkg-config is too old; version 0.7 or newer is required."

no_purple="yes"

PKG_CONFIG="no"

else

no_purple="yes"

min_version=ifelse([$1], ,2.0.0,$1)

found_version=""

AC_MSG_CHECKING(for purple - version >= $min_version)

if test x"$no_purple" = x"" ; then

PURPLE_DATADIR=`$PKG_CONFIG --variable=datadir purple`

PURPLE_LIBDIR=`$PKG_CONFIG --variable=libdir purple`

PURPLE_CFLAGS=`$PKG_CONFIG --cflags purple`

PURPLE_LIBS=`$PKG_CONFIG --libs purple`

purple_version=`$PKG_CONFIG --modversion purple`

purple_major_version=`echo $purple_version | cut -d. -f 1`

purple_minor_version=`echo $purple_version | cut -d. -f 2`

dnl # stash the micro version in a temp variable. Then stash

dnl # the numeric for it in purple_micro_version and anything

dnl # else in purple_extra_version.

purple_micro_version_temp=`echo $purple_version | cut -d. -f 3`

purple_micro_version=`echo $purple_micro_version_temp | sed 's/[[^0-9]]//g'`

purple_extra_version=`echo $purple_micro_version_temp | sed 's/[[0-9]]//g'`

dnl # get the major, minor, and macro that the user gave us

min_major_version=`echo $min_version | cut -d. -f 1`

min_minor_version=`echo $min_version | cut -d. -f 2`

min_micro_version=`echo $min_version | cut -d. -f 3`

dnl # check the users version against the version from pkg-config

if test $purple_major_version -eq $min_major_version -a \

$purple_minor_version -ge $min_minor_version -a \

$purple_micro_version -ge $min_micro_version

then

else

no_purple="yes"

found_version="$purple_major_version.$purple_minor_version.$purple_micro_version$purple_extra_version"

dnl # Do we want a compile test here?

if test x"$no_purple" = x"" ; then

AC_MSG_RESULT(yes (version $purple_major_version.$purple_minor_version.$purple_micro_version$purple_extra_version))

ifelse([$2], , :, [$2])

else

AC_MSG_RESULT(no)

if test x"$PKG_CONFIG" = x"no" ; then

echo "*** A new enough version of pkg-config was not found."

echo "*** See http://www.freedesktop.org/software/pkgconfig/"

if test x"found_version" != x"" ; then

echo "*** A new enough version of purple was not found."

echo "*** You have version $found_version"

echo "*** See http://pidgin.im/"

PURPLE_CFLAGS=""

PURPLE_LIBS=""

PURPLE_DATADIR=""

PURPLE_LIBDIR=""

ifelse([$3], , :, [$3])

AC_SUBST(PURPLE_CFLAGS)

AC_SUBST(PURPLE_LIBS)

AC_SUBST(PURPLE_DATADIR)

AC_SUBST(PURPLE_LIBDIR)

])

pidgin/pidgin