From e15547f73b2670824bdf660816ce5da37d5aa70d Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Fri, 1 Apr 2016 15:13:06 +0200
Subject: [PATCH] add/improve configure checks for default CA bundle/path

See github issue #31
---
 config9.m4                 | 45 +++++++++++++++++++++++++++++---------
 package.xml                |  1 +
 src/php_http_client_curl.c |  3 +++
 3 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/config9.m4 b/config9.m4
index c95f007..6917fca 100644
--- a/config9.m4
+++ b/config9.m4
@@ -409,19 +409,44 @@ dnl ----
 
 			dnl end compile tests
 
-			AC_MSG_CHECKING([for bundled SSL CA info])
-			CURL_CAINFO=
-			for i in `$CURL_CONFIG --ca` "/etc/ssl/certs/ca-certificates.crt" "/etc/ssl/certs/ca-bundle.crt"; do
-				if test -f "$i"; then
-					CURL_CAINFO="$i"
-					break
+			AC_MSG_CHECKING([for default SSL CA info/path])
+			CURL_CA_PATH=
+			CURL_CA_INFO=
+			CURL_CONFIG_CA=$($CURL_CONFIG --ca)
+			if test -z "$CURL_CONFIG_CA"; then
+				CURL_CONFIG_CA=$($CURL_CONFIG --configure  | $EGREP -o -- "--with-ca@<:@^'@:>@*" | $SED 's/.*=//')
+			fi
+			for i in \
+				"$CURL_CONFIG_CA" \
+				/etc/ssl/certs \
+				/etc/ssl/certs/ca-bundle.crt \
+				/etc/ssl/certs/ca-certificates.crt \
+				/etc/pki/tls/certs/ca-bundle.crt \
+				/etc/pki/tls/certs/ca-bundle.trust.crt \
+				/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem \
+				/System/Library/OpenSSL
+			do
+				if test -z "$CURL_CA_PATH" && test -d "$i"; then
+					# check if it's actually a hashed directory
+					if ls "$i"/@<:@0-9a-f@:>@@<:@0-9a-f@:>@@<:@0-9a-f@:>@@<:@0-9a-f@:>@@<:@0-9a-f@:>@@<:@0-9a-f@:>@@<:@0-9a-f@:>@@<:@0-9a-f@:>@.0 >/dev/null 2>&1; then
+						CURL_CA_PATH="$i"
+					fi
+				elif test -z "$CURL_CA_INFO" && test -f "$i"; then
+					CURL_CA_INFO="$i"
 				fi
 			done
-			if test "x$CURL_CAINFO" = "x"; then
-				AC_MSG_RESULT([not found])
+			if test -n "$CURL_CA_PATH" && test -n "$CURL_CA_INFO"; then
+				AC_MSG_RESULT([path:$CURL_CA_PATH, info:$CURL_CA_INFO])
+				AC_DEFINE_UNQUOTED([PHP_HTTP_CURL_CAPATH], ["$CURL_CA_PATH"], [path to default SSL CA path])
+				AC_DEFINE_UNQUOTED([PHP_HTTP_CURL_CAINFO], ["$CURL_CA_INFO"], [path to default SSL CA info])
+			elif test -n "$CURL_CA_INFO"; then
+				AC_MSG_RESULT([info:$CURL_CA_INFO])
+				AC_DEFINE_UNQUOTED([PHP_HTTP_CURL_CAINFO], ["$CURL_CA_INFO"], [path to default SSL CA info])
+			elif test -n "$CURL_CA_PATH"; then
+				AC_MSG_RESULT([path:$CURL_CA_PATH])
+				AC_DEFINE_UNQUOTED([PHP_HTTP_CURL_CAPATH], ["$CURL_CA_PATH"], [path to default SSL CA path])
 			else
-				AC_MSG_RESULT([$CURL_CAINFO])
-				AC_DEFINE_UNQUOTED([PHP_HTTP_CURL_CAINFO], ["$CURL_CAINFO"], [path to bundled SSL CA info])
+				AC_MSG_RESULT([none])
 			fi
 
 			PHP_ADD_INCLUDE($CURL_DIR/include)
diff --git a/package.xml b/package.xml
index 6fa8bbe..27f2fc1 100644
--- a/package.xml
+++ b/package.xml
@@ -43,6 +43,7 @@ https://mdref.m6w6.name/http
  <license uri="http://copyfree.org/content/standard/licenses/2bsd/license.txt">BSD-2-Clause</license>
  <notes><![CDATA[
 * Fix gh-issue #34: allow setting multiple headers with the same name (Mike, @rcanavan)
+* Fix gh-issue #31: add/improve configure checks for default CA bundle/path (Mike, @rcanavan) 
 ]]></notes>
  <contents>
   <dir name="/">
diff --git a/src/php_http_client_curl.c b/src/php_http_client_curl.c
index f49aabc..567c3c6 100644
--- a/src/php_http_client_curl.c
+++ b/src/php_http_client_curl.c
@@ -1483,6 +1483,9 @@ static void php_http_curle_options_init(php_http_options_t *registry TSRMLS_DC)
 		if ((opt = php_http_option_register(registry, ZEND_STRL("capath"), CURLOPT_CAPATH, IS_STRING))) {
 			opt->flags |= PHP_HTTP_CURLE_OPTION_CHECK_STRLEN;
 			opt->flags |= PHP_HTTP_CURLE_OPTION_CHECK_BASEDIR;
+#ifdef PHP_HTTP_CURL_CAPATH
+			ZVAL_STRING(&opt->defval, PHP_HTTP_CURL_CAPATH, 0);
+#endif
 		}
 		if ((opt = php_http_option_register(registry, ZEND_STRL("random_file"), CURLOPT_RANDOM_FILE, IS_STRING))) {
 			opt->flags |= PHP_HTTP_CURLE_OPTION_CHECK_STRLEN;
-- 
2.30.2