summaryrefslogtreecommitdiffstats
path: root/third_party/heimdal/lib/otp/otp.h
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/heimdal/lib/otp/otp.h')
-rw-r--r--third_party/heimdal/lib/otp/otp.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/otp/otp.h b/third_party/heimdal/lib/otp/otp.h
new file mode 100644
index 0000000..3a4e549
--- /dev/null
+++ b/third_party/heimdal/lib/otp/otp.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
+ * (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.
+ */
+
+/* $Id$ */
+
+#ifndef _OTP_H
+#define _OTP_H
+
+#include <stdlib.h>
+#include <time.h>
+
+enum {OTPKEYSIZE = 8};
+
+typedef unsigned char OtpKey[OTPKEYSIZE];
+
+#define OTP_MIN_PASSPHRASE 10
+#define OTP_MAX_PASSPHRASE 63
+
+#define OTP_USER_TIMEOUT 120
+#define OTP_DB_TIMEOUT 60
+
+#define OTP_HEXPREFIX "hex:"
+#define OTP_WORDPREFIX "word:"
+
+typedef enum { OTP_ALG_MD4, OTP_ALG_MD5, OTP_ALG_SHA } OtpAlgID;
+
+#define OTP_ALG_DEFAULT "md5"
+
+typedef struct {
+ OtpAlgID id;
+ char *name;
+ int hashsize;
+ int (*hash)(const char *, size_t, unsigned char *);
+ int (*init)(OtpKey, const char *, const char *);
+ int (*next)(OtpKey);
+} OtpAlgorithm;
+
+typedef struct {
+ char *user;
+ OtpAlgorithm *alg;
+ unsigned n;
+ char seed[17];
+ OtpKey key;
+ int challengep;
+ time_t lock_time;
+ char *err;
+} OtpContext;
+
+OtpAlgorithm *otp_find_alg (char *);
+void otp_print_stddict (OtpKey, char *, size_t);
+void otp_print_hex (OtpKey, char *, size_t);
+void otp_print_stddict_extended (OtpKey, char *, size_t);
+void otp_print_hex_extended (OtpKey, char *, size_t);
+unsigned otp_checksum (OtpKey);
+int otp_parse_hex (OtpKey, const char *);
+int otp_parse_stddict (OtpKey, const char *);
+int otp_parse_altdict (OtpKey, const char *, OtpAlgorithm *);
+int otp_parse (OtpKey, const char *, OtpAlgorithm *);
+int otp_challenge (OtpContext *, char *, char *, size_t);
+int otp_verify_user (OtpContext *, const char *);
+int otp_verify_user_1 (OtpContext *, const char *);
+char *otp_error (OtpContext *);
+
+void *otp_db_open (void);
+void otp_db_close (void *);
+int otp_put (void *, OtpContext *);
+int otp_get (void *, OtpContext *);
+int otp_simple_get (void *, OtpContext *);
+int otp_delete (void *, OtpContext *);
+
+#endif /* _OTP_H */