s4:heimdal: import lorikeet-heimdal-202201172009 (commit 5a0b45cd723628b3690ea848548b...

[samba.git] / source4 / heimdal / lib / otp / otp.h

diff --git a/source4/heimdal/lib/otp/otp.h b/source4/heimdal/lib/otp/otp.h
new file mode 100644 (file)
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+++ b/source4/heimdal/lib/otp/otp.h
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+/*
+ * 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 */