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authorLukas Fleischer <cgit@cryptocrack.de>2011-05-24 20:38:40 +0200
committerLars Hjemli <hjemli@gmail.com>2011-05-30 23:55:19 +0200
commit69382320d96232ee8c73e664797da61e733c2427 (patch)
tree7f1d53505859cc6e15b261249a22d1604b3cd037
parentfix virtual-root if script-name is "" (diff)
downloadcgit-pink-69382320d96232ee8c73e664797da61e733c2427.tar.gz
cgit-pink-69382320d96232ee8c73e664797da61e733c2427.zip
Properly escape ampersands inside HTML attributes
Ampersands ("&") appearing inside HTML attributes need to be translated
to "&amp;". Otherwise, invalid XHTML will be generated at various
places, such as at tree views containing links to submodules.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
-rw-r--r--html.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/html.c b/html.c
index a0f6db4..24a03a5 100644
--- a/html.c
+++ b/html.c
@@ -138,7 +138,7 @@ void html_attr(const char *txt)
 	const char *t = txt;
 	while(t && *t){
 		int c = *t;
-		if (c=='<' || c=='>' || c=='\'' || c=='\"') {
+		if (c=='<' || c=='>' || c=='\'' || c=='\"' || c=='&') {
 			html_raw(txt, t - txt);
 			if (c=='>')
 				html("&gt;");
@@ -148,6 +148,8 @@ void html_attr(const char *txt)
 				html("&#x27;");
 			else if (c=='"')
 				html("&quot;");
+			else if (c=='&')
+				html("&amp;");
 			txt = t+1;
 		}
 		t++;