From 25cbc9b3293f2c6df38bd0528b89101e5e547321 Mon Sep 17 00:00:00 2001
From: Stef Walter <stefw@collabora.co.uk>
Date: Mon, 21 Feb 2011 20:44:42 +0100
Subject: Add uri function for listing which attribute types are present.

---
 module/p11-kit-uri.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'module/p11-kit-uri.c')

diff --git a/module/p11-kit-uri.c b/module/p11-kit-uri.c
index 8c65301..7fdb33d 100644
--- a/module/p11-kit-uri.c
+++ b/module/p11-kit-uri.c
@@ -127,7 +127,7 @@ url_encode (const unsigned char *value, const unsigned char *end, size_t *length
 	while (value != end) {
 
 		/* These characters we let through verbatim */
-		if (isalnum (*value) || strchr ("_-.", *value) != NULL) {
+		if (*value && (isalnum (*value) || strchr ("_-.", *value) != NULL)) {
 			*(p++) = *(value++);
 
 		/* All others get encoded */
@@ -256,6 +256,28 @@ p11_kit_uri_match_token_info (P11KitUri *uri, CK_TOKEN_INFO_PTR token_info)
 	                             sizeof (token_info->serialNumber)));
 }
 
+CK_ATTRIBUTE_TYPE*
+p11_kit_uri_get_attribute_types (P11KitUri *uri, int *n_types)
+{
+	CK_ATTRIBUTE_TYPE *result;
+	int i, j;
+
+	assert (uri);
+	assert (n_types);
+
+	result = calloc (NUM_ATTRS, sizeof (CK_ATTRIBUTE_TYPE));
+	if (result == NULL)
+		return NULL;
+
+	for (i = 0, j = 0; i < NUM_ATTRS; ++i) {
+		if (uri->attrs[i].ulValueLen != (CK_ULONG)-1)
+			result[j++] = uri->attrs[i].type;
+	}
+
+	*n_types = j;
+	return result;
+}
+
 CK_ATTRIBUTE_PTR
 p11_kit_uri_get_attribute (P11KitUri *uri, CK_ATTRIBUTE_TYPE type)
 {
-- 
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