FS-7258, FS-7571: [mod_xml_cdr] properly encode xml cdr for post to web server

src/include/switch_utils.h

@@ -997,6 +997,7 @@ static inline int switch_needs_url_encode(const char *s)
 	return 0;
 }
 
+SWITCH_DECLARE(char *) switch_url_encode_opt(const char *url, char *buf, size_t len, switch_bool_t double_encode);
 SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len);
 SWITCH_DECLARE(char *) switch_url_decode(char *s);
 SWITCH_DECLARE(switch_bool_t) switch_simple_email(const char *to,

src/mod/xml_int/mod_xml_cdr/mod_xml_cdr.c

@@ -272,7 +272,7 @@ static switch_status_t my_on_reporting(switch_core_session_t *session)
 			memset(xml_text_escaped, 0, need_bytes);
 			if (globals.encode == ENCODING_DEFAULT) {
 				headers = switch_curl_slist_append(headers, "Content-Type: application/x-www-form-urlencoded");
-				switch_url_encode(xml_text, xml_text_escaped, need_bytes);
+				switch_url_encode_opt(xml_text, xml_text_escaped, need_bytes, SWITCH_TRUE);
 			} else {
 				headers = switch_curl_slist_append(headers, "Content-Type: application/x-www-form-base64-encoded");
 				switch_b64_encode((unsigned char *) xml_text, need_bytes / 3, (unsigned char *) xml_text_escaped, need_bytes);

src/switch_utils.c

@@ -2921,7 +2921,7 @@ SWITCH_DECLARE(int) switch_socket_waitfor(switch_pollfd_t *poll, int ms)
 	return nsds;
 }
 
-SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len)
+SWITCH_DECLARE(char *) switch_url_encode_opt(const char *url, char *buf, size_t len, switch_bool_t double_encode)
 {
 	const char *p, *e = end_of_p(url);
 	size_t x = 0;
@@ -2944,7 +2944,7 @@ SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len)
 			break;
 		}
 
-		if (*p == '%' && e-p > 1) {
+		if (!double_encode && *p == '%' && e-p > 1) {
 			if (strchr(hex, *(p+1)) && strchr(hex, *(p+2))) {
 				ok = 1;
 			}
@@ -2966,6 +2966,11 @@ SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len)
 	return buf;
 }
 
+SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len)
+{
+	return switch_url_encode_opt(url, buf, len, SWITCH_FALSE);
+}
+
 SWITCH_DECLARE(char *) switch_url_decode(char *s)
 {
 	char *o;