Initial revision

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15716 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/hx509/ks_mem.c

@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2005 Kungliga Tekniska H<>gskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#include "hx_locl.h"
+RCSID("$ID$");
+
+struct mem_data {
+    char *name;
+    unsigned long len;
+    hx509_cert *val;
+};
+
+static int
+mem_init(hx509_certs certs, void **data, int flags,
+	 const char *residue, hx509_lock lock)
+{
+    struct mem_data *mem;
+    mem = calloc(1, sizeof(*mem));
+    if (mem == NULL)
+	return ENOMEM;
+    if (residue == NULL || residue[0] == '\0')
+	residue = "anonymous";
+    mem->name = strdup(residue);
+    if (mem->name == NULL) {
+	free(mem);
+	return ENOMEM;
+    }
+    *data = mem;
+    return 0;
+}
+
+static int
+mem_free(hx509_certs certs, void *data)
+{
+    struct mem_data *mem = data;
+    unsigned long i;
+    
+    for (i = 0; i < mem->len; i++)
+	hx509_cert_free(mem->val[i]);
+    free(mem->val);
+    free(mem->name);
+    free(mem);
+
+    return 0;
+}
+
+static int 
+mem_add(hx509_certs certs, void *data, hx509_cert c)
+{
+    struct mem_data *mem = data;
+    hx509_cert *val;
+
+    val = realloc(mem->val, (mem->len + 1) * sizeof(mem->val[0]));
+    if (val == NULL)
+	return ENOMEM;
+
+    mem->val = val;
+    mem->val[mem->len] = hx509_cert_ref(c);
+    mem->len++;
+
+    return 0;
+}
+
+static int 
+mem_iter_start(hx509_certs certs, void *data, void **cursor)
+{
+    unsigned long *iter = malloc(sizeof(*iter));
+
+    if (iter == NULL)
+	return ENOMEM;
+
+    *iter = 0;
+    *cursor = iter;
+
+    return 0;
+}
+
+static int
+mem_iter(hx509_certs certs,
+	 void *data, 
+	 void *cursor,
+	 hx509_cert *cert)
+{
+    unsigned long *iter = cursor;
+    struct mem_data *mem = data;
+
+    if (*iter >= mem->len)
+	return ENOENT;
+
+    *cert = hx509_cert_ref(mem->val[*iter]);
+    (*iter)++;
+    return 0;
+}
+
+static int
+mem_iter_end(hx509_certs certs,
+	     void *data,
+	     void *cursor)
+{
+    free(cursor);
+    return 0;
+}
+
+static struct hx509_keyset_ops keyset_mem = {
+    "MEMORY",
+    0,
+    mem_init,
+    mem_free,
+    mem_add,
+    NULL,
+    mem_iter_start,
+    mem_iter,
+    mem_iter_end
+};
+
+void
+_hx509_ks_mem_register(void)
+{
+    _hx509_ks_register(&keyset_mem);
+}