X-Git-Url: https://the.earth.li/gitweb/?a=blobdiff_plain;f=photoid.c;fp=photoid.c;h=4416e3e35f7c17d1cd33242139da9fe3da4a9ae6;hb=42d43e0ec08e249cecf74ec448cb6405b3c89d84;hp=0000000000000000000000000000000000000000;hpb=1d268f8b7df33d0985b63f7f99b9e3ed597a9982;p=onak.git

diff --git a/photoid.c b/photoid.c
new file mode 100644
index 0000000..4416e3e
--- /dev/null
+++ b/photoid.c
@@ -0,0 +1,52 @@
+/*
+ * photoid.c - Routines for OpenPGP id photos.
+ *
+ * Jonathan McDowell <noodles@earth.li>
+ *
+ * Copyright 2004 Project Purple
+ *
+ * $Id: photoid.c,v 1.1 2004/05/27 01:25:37 noodles Exp $
+ */
+
+#include <assert.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "keyid.h"
+#include "keyindex.h"
+#include "keystructs.h"
+
+/**
+ * 	getphoto - returns an OpenPGP packet containing a photo id.
+ * 	@key: The key to return the photo id from.
+ * 	@index: The index of the photo to return.
+ *
+ * 	This function returns the OpenPGP packet containing a photo id from a
+ * 	supplied key. index specifies which photo id should be returned. If
+ * 	there's no such photo id NULL is returned.
+ */
+struct openpgp_packet *getphoto(struct openpgp_publickey *key, int index)
+{
+	struct openpgp_signedpacket_list *curuid = NULL;
+	struct openpgp_packet            *photo = NULL;
+	int                               i = 0;
+
+	assert(key != NULL);
+
+	curuid = key->uids;
+	i = 0;
+	while (photo == NULL && curuid != NULL && i <= index) {
+		if (curuid->packet->tag == 17) {
+			if (i == index) {
+				photo = curuid->packet;
+			} else {
+				i++;
+			}
+		}
+		curuid = curuid->next;
+	}
+
+	return photo;
+}