[meta-webserver][PATCH v2] hiawatha: add new patch to fix xslt implementation

[Jack Mitchell <ml@communistcode.co.uk>]

From: Jack Mitchell <jack.mitchell@dbbroadcast.co.uk>

Signed-off-by: Jack Mitchell <jack.mitchell@dbbroadcast.co.uk>
---
 .../recipes-httpd/hiawatha/files/xslt-fix.patch    | 71 ++++++++++++++++++++++
 .../recipes-httpd/hiawatha/hiawatha_8.6.bb         |  5 +-
 2 files changed, 74 insertions(+), 2 deletions(-)
 create mode 100644 meta-webserver/recipes-httpd/hiawatha/files/xslt-fix.patch

diff --git a/meta-webserver/recipes-httpd/hiawatha/files/xslt-fix.patch b/meta-webserver/recipes-httpd/hiawatha/files/xslt-fix.patch
new file mode 100644
index 0000000..41bf4cc
--- /dev/null
+++ b/meta-webserver/recipes-httpd/hiawatha/files/xslt-fix.patch
@@ -0,0 +1,71 @@
+Upstream Status: Backport
+Signed-off-by: Jack Mitchell <jack.mitchell@dbbroadcast.co.uk>
+---
+ src/xslt.c | 19 +++++++------------
+ 1 file changed, 7 insertions(+), 12 deletions(-)
+
+diff --git a/src/xslt.c b/src/xslt.c
+index 9d8d31a..58ca52d 100644
+--- a/src/xslt.c
++++ b/src/xslt.c
+@@ -23,6 +23,7 @@
+ #include <libxslt/transform.h>
+ #include <libxslt/xsltutils.h>
+ #include "libstr.h"
++#include "liblist.h"
+ #include "send.h"
+ #include "log.h"
+ #ifdef ENABLE_TOMAHAWK
+@@ -343,10 +344,10 @@ bool can_transform_with_xslt(t_session *session) {
+ static int apply_xslt_sheet(t_session *session, xmlDocPtr data_xml) {
+ 	xmlDocPtr style_xml, result_xml;
+ 	xsltStylesheetPtr xslt;
+-	xmlOutputBufferPtr output;
++	xmlChar *raw_xml;
+ 	char value[VALUE_SIZE + 1];
+ 	const char **params;
+-	int result = 200;
++	int result = 200, raw_size;
+ 
+ 	/* Read XML data
+ 	 */
+@@ -396,14 +397,8 @@ static int apply_xslt_sheet(t_session *session, xmlDocPtr data_xml) {
+ 		xsltFreeStylesheet(xslt);
+ 		return 500;
+ 	}
+-	if ((output = xmlAllocOutputBuffer(NULL)) == NULL) {
+-		xmlFreeDoc(result_xml);
+-		xsltFreeStylesheet(xslt);
+-		return 500;
+-	}
+-    if (xsltSaveResultTo(output, result_xml, xslt) == -1) {
++	if (xsltSaveResultToString(&raw_xml, &raw_size, result_xml, xslt) == -1) {
+ 		log_file_error(session, session->file_on_disk, "transformation error");
+-		xmlOutputBufferClose(output);
+ 		xmlFreeDoc(result_xml);
+ 		xsltFreeStylesheet(xslt);
+ 		return 500;
+@@ -414,17 +409,17 @@ static int apply_xslt_sheet(t_session *session, xmlDocPtr data_xml) {
+ 	value[VALUE_SIZE] = '\0';
+ 	if (send_buffer(session, hs_conlen, 16) == -1) {
+ 		result = -1;
+-	} else if (snprintf(value, VALUE_SIZE, "%d\r\n\r\n", output->buffer->use) == -1) {
++	} else if (snprintf(value, VALUE_SIZE, "%d\r\n\r\n", raw_size) == -1) {
+ 		result = -1;
+ 	} else if (send_buffer(session, value, strlen(value)) == -1) {
+ 		result = -1;
+-	} else if (send_buffer(session, (char*)output->buffer->content, output->buffer->use) == -1) {
++	} else if (send_buffer(session, (char*)raw_xml, raw_size) == -1) {
+ 		result = -1;
+ 	}
+ 
+ 	/* Free buffers
+ 	 */
+-	xmlOutputBufferClose(output);
++	xmlFree(raw_xml);
+ 	xmlFreeDoc(result_xml);
+ 	xsltFreeStylesheet(xslt);
+ 
+-- 
+1.8.0.1
+
diff --git a/meta-webserver/recipes-httpd/hiawatha/hiawatha_8.6.bb b/meta-webserver/recipes-httpd/hiawatha/hiawatha_8.6.bb
index 7dcbe9e..d49bcab 100644
--- a/meta-webserver/recipes-httpd/hiawatha/hiawatha_8.6.bb
+++ b/meta-webserver/recipes-httpd/hiawatha/hiawatha_8.6.bb
@@ -4,12 +4,13 @@ LICENSE = "GPLv2"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 DEPENDS = "libxml2 libxslt"
 
-PR = "r1"
+PR = "r2"
 
 SECTION = "net"
 
 SRC_URI = "http://hiawatha-webserver.org/files/${PN}-${PV}.tar.gz \
-           file://hiawatha-init"
+           file://hiawatha-init \
+           file://xslt-fix.patch "
 
 SRC_URI[md5sum] = "372ea9e8329ed36e4fb781fdc1a6734c"
 SRC_URI[sha256sum] = "1a7fa98ce66beb54fc8490cc787461d719a98cb0e4a81caedfa18ac8b5ba3b3b"
-- 
1.8.0.1