X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuhttpd.git;a=blobdiff_plain;f=utils.c;h=d990d7dfd2bee38ac13db87ddffb452a14836e0f;hp=29e03c0b9a3fc83e9b41604a545cf52ec42b35e0;hb=HEAD;hpb=7ed2edc40dd6d0171266f3bfbc96466e1d25e3cd

diff --git a/utils.c b/utils.c
index 29e03c0..d990d7d 100644
--- a/utils.c
+++ b/utils.c
@@ -208,6 +208,10 @@ bool uh_path_match(const char *prefix, const char *url)
 {
 	int len = strlen(prefix);
 
+	/* A prefix of "/" will - by definition - match any url */
+	if (prefix[0] == '/' && len == 1)
+		return true;
+
 	if (strncmp(url, prefix, len) != 0)
 		return false;
 
@@ -245,3 +249,45 @@ bool uh_addr_rfc1918(struct uh_addr *addr)
 
 	return 0;
 }
+
+
+static bool is_html_special_char(char c)
+{
+	switch (c)
+	{
+	case 0x22:
+	case 0x26:
+	case 0x27:
+	case 0x3C:
+	case 0x3E:
+		return true;
+
+	default:
+		return false;
+	}
+}
+
+char *uh_htmlescape(const char *str)
+{
+	size_t i, len;
+	char *p, *copy;
+
+	for (i = 0, len = 1; str[i]; i++)
+		if (is_html_special_char(str[i]))
+			len += 6; /* &#x??; */
+		else
+			len++;
+
+	copy = calloc(1, len);
+
+	if (!copy)
+		return NULL;
+
+	for (i = 0, p = copy; str[i]; i++)
+		if (is_html_special_char(str[i]))
+			p += sprintf(p, "&#x%02x;", (unsigned int)str[i]);
+		else
+			*p++ = str[i];
+
+	return copy;
+}