added watt32 headers and brought the DOS version up to parity with UNIX

[oftp] / libs / watt32 / netinet6 / esp.h

diff --git a/libs/watt32/netinet6/esp.h b/libs/watt32/netinet6/esp.h
new file mode 100644 (file)
index 0000000..c5b61b9
--- /dev/null
+++ b/libs/watt32/netinet6/esp.h
@@ -0,0 +1,113 @@
+/*!\file netinet6/esp.h
+ *
+ */
+
+/*      $FreeBSD: src/sys/netinet6/esp.h,v 1.6 2002/04/19 04:46:22 suz Exp $    */
+/*      $KAME: esp.h,v 1.19 2001/09/04 08:43:19 itojun Exp $    */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+
+/*
+ * RFC1827/2406 Encapsulated Security Payload.
+ */
+
+#ifndef _NETINET6_ESP_H_
+#define _NETINET6_ESP_H_
+
+#if defined(_KERNEL) && !defined(_LKM)
+#include "opt_inet.h"
+#endif
+
+struct esp {
+       u_int32_t       esp_spi;        /* ESP */
+       /* variable size, 32bit bound *//* Initialization Vector */
+       /* variable size */             /* Payload data */
+       /* variable size */             /* padding */
+       /* 8bit */                      /* pad size */
+       /* 8bit */                      /* next header */
+       /* 8bit */                      /* next header */
+       /* variable size, 32bit bound */ /* Authentication data (new IPsec) */
+     };
+
+struct newesp {
+       u_int32_t       esp_spi;        /* ESP */
+       u_int32_t       esp_seq;        /* Sequence number */
+       /* variable size */             /* (IV and) Payload data */
+       /* variable size */             /* padding */
+       /* 8bit */                      /* pad size */
+       /* 8bit */                      /* next header */
+       /* 8bit */                      /* next header */
+       /* variable size, 32bit bound *//* Authentication data */
+     };
+
+struct esptail {
+       u_int8_t        esp_padlen;     /* pad length */
+       u_int8_t        esp_nxt;        /* Next header */
+       /* variable size, 32bit bound *//* Authentication data (new IPsec)*/
+     };
+
+#ifdef _KERNEL
+struct secasvar;
+
+struct esp_algorithm {
+       size_t padbound;                 /* pad boundary, in byte */
+       int    ivlenval;                 /* iv length, in byte */
+       int  (*mature) (struct secasvar *);
+       int    keymin;                   /* in bits */
+       int    keymax;                   /* in bits */
+       int  (*schedlen) (const struct esp_algorithm *);
+       const char *name;
+       int  (*ivlen) (const struct esp_algorithm *, struct secasvar *);
+       int  (*decrypt) (struct mbuf *, size_t,
+                       struct secasvar *, const struct esp_algorithm *, int);
+       int  (*encrypt) (struct mbuf *, size_t, size_t,
+                       struct secasvar *, const struct esp_algorithm *, int);
+       /* not supposed to be called directly */
+       int  (*schedule) (const struct esp_algorithm *, struct secasvar *);
+       int  (*blockdecrypt) (const struct esp_algorithm *,
+                             struct secasvar *, u_int8_t *, u_int8_t *);
+       int  (*blockencrypt) (const struct esp_algorithm *,
+                             struct secasvar *, u_int8_t *, u_int8_t *);
+     };
+
+extern const struct esp_algorithm *esp_algorithm_lookup (int);
+extern int                         esp_max_ivlen (void);
+
+/* crypt routines */
+extern int    esp4_output (struct mbuf *, struct ipsecrequest *);
+extern void   esp4_input (struct mbuf *, int);
+extern size_t esp_hdrsiz (struct ipsecrequest *);
+
+extern int    esp_schedule (const struct esp_algorithm *, struct secasvar *);
+extern int    esp_auth (struct mbuf *, size_t, size_t,
+                        struct secasvar *, u_char *);
+#endif /* _KERNEL */
+
+#endif /* _NETINET6_ESP_H_ */