[empathy] Make ca-certs location configurable (#634197)

[Guillaume Desmottes <gdesmott src gnome org>]

commit 24ffd0a12ef01048052c420b73d9b374515cb2f8
Author: Brian Pepple <bpepple fedoraproject org>
Date:   Sat Nov 6 18:31:32 2010 -0400

    Make ca-certs location configurable (#634197)

 configure.ac                      |   33 +++++++++++++++++++++++++++++++++
 libempathy/empathy-tls-verifier.c |    2 +-
 2 files changed, 34 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b233689..d2f09df 100644
--- a/configure.ac
+++ b/configure.ac
@@ -201,6 +201,38 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[Gettext package name])
 AM_GLIB_GNU_GETTEXT
 
 # -----------------------------------------------------------
+# Make CA certificates path configurable
+# Stolen from GIO's TLS
+# -----------------------------------------------------------
+AC_MSG_CHECKING([location of system Certificate Authority list])
+AC_ARG_WITH(ca-file,
+            [AC_HELP_STRING([--with-ca-file=@<:@path@:>@],
+                            [path to system Certificate Authority list])])
+if test "$with_ca_file" = "no"; then
+    AC_MSG_RESULT([disabled])
+else
+    if test -z "$with_ca_file"; then
+        for f in /etc/pki/tls/certs/ca-bundle.crt \
+                 /etc/ssl/certs/ca-certificates.crt; do
+            if test -f "$f"; then
+                with_ca_file="$f"
+            fi
+        done
+        if test -z "$with_ca_file"; then
+            AC_MSG_ERROR([could not find. Use --with-ca-file=path to set, or --without-ca-file to disable])
+        fi
+    fi
+
+    AC_MSG_RESULT($with_ca_file)
+    if ! test -f "$with_ca_file"; then
+        AC_MSG_ERROR([No such file '$with_ca_file'. Use --with-ca-file=path to set, or --without-ca-file to disable])
+    fi
+    GTLS_SYSTEM_CA_FILE="$with_ca_file"
+
+    AC_DEFINE_UNQUOTED([GTLS_SYSTEM_CA_FILE], ["$GTLS_SYSTEM_CA_FILE"], [path to system Certificate Authority list])
+fi
+
+# -----------------------------------------------------------
 # Connectivity integration
 # -----------------------------------------------------------
 AC_ARG_WITH(connectivity,
@@ -497,6 +529,7 @@ Configure summary:
 	Compiler Flags..............:  ${CFLAGS} ${ERROR_CFLAGS}
 	Prefix......................:  ${prefix}
 	Coding style checks.........:  ${ENABLE_CODING_STYLE_CHECKS}
+	CA Cert Path................:  ${GTLS_SYSTEM_CA_FILE}
 
     Features:
 	Spell checking (enchant)....:  ${have_enchant}
diff --git a/libempathy/empathy-tls-verifier.c b/libempathy/empathy-tls-verifier.c
index 13727db..ca17261 100644
--- a/libempathy/empathy-tls-verifier.c
+++ b/libempathy/empathy-tls-verifier.c
@@ -44,7 +44,7 @@ enum {
 };
 
 static const gchar* system_ca_paths[] = {
-  "/etc/ssl/certs/ca-certificates.crt",
+  GTLS_SYSTEM_CA_FILE,
   NULL,
 };