Initial revision

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

lib/hx509/lock.c

@@ -0,0 +1,187 @@
+/*
+ * 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 hx509_lock_data {
+    struct _hx509_password password;
+    hx509_certs certs;
+    hx509_prompter_fct *prompt;
+    void *prompt_data;
+};
+
+static struct hx509_lock_data empty_lock_data = {
+    { 0, NULL }
+};
+
+hx509_lock _hx509_empty_lock = &empty_lock_data;
+
+/*
+ *
+ */
+
+int
+hx509_lock_init(hx509_lock *lock)
+{
+    hx509_lock l;
+    int ret;
+
+    *lock = NULL;
+
+    l = calloc(1, sizeof(*l));
+    if (l == NULL)
+	return ENOMEM;
+
+    ret = hx509_certs_init("MEMORY:locks-internal", 0, NULL, &l->certs);
+    if (ret) {
+	free(l);
+	return ret;
+    }
+
+    *lock = l;
+
+    return 0;
+}
+
+int
+hx509_lock_add_password(hx509_lock lock, const char *password)
+{
+    void *d;
+    char *s;
+
+    s = strdup(password);
+    if (s == NULL)
+	return ENOMEM;
+
+    d = realloc(lock->password.val,
+		(lock->password.len + 1) * sizeof(lock->password.val[0]));
+    if (d == NULL) {
+	free(s);
+	return ENOMEM;
+    }
+    lock->password.val = d;
+    lock->password.val[lock->password.len] = s;
+    lock->password.len++;
+
+    return 0;
+}
+
+const struct _hx509_password *
+_hx509_lock_get_passwords(hx509_lock lock)
+{
+    return &lock->password;
+}
+
+void
+hx509_lock_reset_passwords(hx509_lock lock)
+{
+    int i;
+    for (i = 0; i < lock->password.len; i++)
+	free(lock->password.val[i]);
+    free(lock->password.val);
+    lock->password.val = NULL;
+    lock->password.len = 0;
+}
+
+int
+hx509_lock_add_cert(hx509_lock lock, hx509_cert cert)
+{
+    return hx509_certs_add(lock->certs, cert);
+}
+
+int
+hx509_lock_add_certs(hx509_lock lock, hx509_certs certs)
+{
+    return hx509_certs_merge(lock->certs, certs);
+}
+
+void
+hx509_lock_reset_certs(hx509_lock lock)
+{
+    hx509_certs certs = lock->certs;
+    int ret;
+    
+    ret = hx509_certs_init("MEMORY:locks-internal", 0, NULL, &lock->certs);
+    if (ret == 0)
+	hx509_certs_free(&certs);
+    else
+	lock->certs = certs;
+}
+
+int
+_hx509_lock_find_cert(hx509_lock lock, const hx509_query *q, hx509_cert *c)
+{
+    *c = NULL;
+    return 0;
+}
+
+int
+hx509_lock_set_prompter(hx509_lock lock, hx509_prompter_fct *prompt)
+{
+    lock->prompt = prompt;
+    return 0;
+}
+
+int
+hx509_lock_set_prompter_data(hx509_lock lock, void *data)
+{
+    lock->prompt_data = data;
+    return 0;
+}
+
+void
+hx509_lock_reset_promper(hx509_lock lock)
+{
+    lock->prompt = NULL;
+    lock->prompt_data = NULL;
+}
+
+int
+hx509_lock_prompt(hx509_lock lock, hx509_prompt *prompt)
+{
+    if (lock->prompt == NULL) {
+	strlcpy(prompt->reply->data, "", prompt->reply->length);
+	return 0;
+    }
+    return (*lock->prompt)(lock->prompt_data, prompt);
+}
+
+void
+hx509_lock_free(hx509_lock lock)
+{
+    hx509_certs_free(&lock->certs);
+    hx509_lock_reset_passwords(lock);
+    memset(lock, 0, sizeof(*lock));
+    free(lock);
+}