Make crypto loading optional

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@6797 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 81 insertions, 0 deletions

diff --git a/cryptostub.c b/cryptostub.c
new file mode 100755
index 000000000..b8f192868
--- /dev/null
+++ b/cryptostub.c
@@ -0,0 +1,81 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2005, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+#include <asterisk/crypto.h>
+
+
+/* Hrm, I wonder if the compiler is smart enough to only create two functions
+   for all these...  I could force it to only make two, but those would be some
+   really nasty looking casts. */
+   
+static struct ast_key *stub_ast_key_get(const char *kname, int ktype)
+{
+	ast_log(LOG_NOTICE, "Crypto support not loaded!\n");
+	return NULL;
+}
+
+static int stub_ast_check_signature(struct ast_key *key, const char *msg, const char *sig)
+{
+	ast_log(LOG_NOTICE, "Crypto support not loaded!\n");
+	return -1;
+}
+
+static int stub_ast_check_signature_bin(struct ast_key *key, const char *msg, int msglen, const unsigned char *sig)
+{
+	ast_log(LOG_NOTICE, "Crypto support not loaded!\n");
+	return -1;
+}
+
+static int stub_ast_sign(struct ast_key *key, char *msg, char *sig) 
+{
+	ast_log(LOG_NOTICE, "Crypto support not loaded!\n");
+	return -1;
+}
+
+static int stub_ast_sign_bin(struct ast_key *key, const char *msg, int msglen, unsigned char *sig)
+{
+	ast_log(LOG_NOTICE, "Crypto support not loaded!\n");
+	return -1;
+}
+
+static int stub_ast_encdec_bin(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key)
+{
+	ast_log(LOG_NOTICE, "Crypto support not loaded!\n");
+	return -1;
+}
+
+struct ast_key *(*ast_key_get)(const char *key, int type) = 
+	stub_ast_key_get;
+
+int (*ast_check_signature)(struct ast_key *key, const char *msg, const char *sig) =
+	stub_ast_check_signature;
+	
+int (*ast_check_signature_bin)(struct ast_key *key, const char *msg, int msglen, const unsigned char *sig) =
+	stub_ast_check_signature_bin;
+	
+int (*ast_sign)(struct ast_key *key, char *msg, char *sig) = 
+	stub_ast_sign;
+
+int (*ast_sign_bin)(struct ast_key *key, const char *msg, int msglen, unsigned char *sig) =
+	stub_ast_sign_bin;
+	
+int (*ast_encrypt_bin)(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key) =
+	stub_ast_encdec_bin;
+
+int (*ast_decrypt_bin)(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key) =
+	stub_ast_encdec_bin;