1 files changed, 41 insertions, 0 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c
index 32efee1536..dfadac0e47 100644
--- a/source3/lib/util_str.c
+++ b/source3/lib/util_str.c
@@ -1366,3 +1366,44 @@ BOOL str_list_substitute(char **list, const char *pattern, const char *insert)
 	
 	return True;
 }
+
+/***********************************************************
+ Unescape a URL encoded string, in place.
+***********************************************************/
+
+void rfc1738_unescape(char *buf)
+{
+	char *p=buf;
+
+	while ((p=strchr_m(p,'+')))
+		*p = ' ';
+
+	p = buf;
+
+	while (p && *p && (p=strchr_m(p,'%'))) {
+		int c1 = p[1];
+		int c2 = p[2];
+
+		if (c1 >= '0' && c1 <= '9')
+			c1 = c1 - '0';
+		else if (c1 >= 'A' && c1 <= 'F')
+			c1 = 10 + c1 - 'A';
+		else if (c1 >= 'a' && c1 <= 'f')
+			c1 = 10 + c1 - 'a';
+		else {p++; continue;}
+
+		if (c2 >= '0' && c2 <= '9')
+			c2 = c2 - '0';
+		else if (c2 >= 'A' && c2 <= 'F')
+			c2 = 10 + c2 - 'A';
+		else if (c2 >= 'a' && c2 <= 'f')
+			c2 = 10 + c2 - 'a';
+		else {p++; continue;}
+			
+		*p = (c1<<4) | c2;
+
+		memmove(p+1, p+3, strlen(p+3)+1);
+		p++;
+	}
+}
+