+++ /dev/null
-/* $Id: isakmp_agg.c,v 1.19.2.3 2005/01/26 19:39:26 vanhu 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.
- */
-
-/* Aggressive Exchange (Aggressive Mode) */
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <sys/param.h>
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#include "var.h"
-#include "misc.h"
-#include "vmbuf.h"
-#include "plog.h"
-#include "sockmisc.h"
-#include "schedule.h"
-#include "debug.h"
-
-#include "localconf.h"
-#include "remoteconf.h"
-#include "isakmp_var.h"
-#include "isakmp.h"
-#include "evt.h"
-#include "oakley.h"
-#include "handler.h"
-#include "ipsec_doi.h"
-#include "crypto_openssl.h"
-#include "pfkey.h"
-#include "isakmp_agg.h"
-#include "isakmp_inf.h"
-#ifdef ENABLE_HYBRID
-#include "isakmp_xauth.h"
-#include "isakmp_cfg.h"
-#endif
-#ifdef ENABLE_FRAG
-#include "isakmp_frag.h"
-#endif
-#include "vendorid.h"
-#include "strnames.h"
-
-#ifdef ENABLE_NATT
-#include "nattraversal.h"
-#endif
-
-#ifdef HAVE_GSSAPI
-#include "gssapi.h"
-#endif
-
-/*
- * begin Aggressive Mode as initiator.
- */
-/*
- * send to responder
- * psk: HDR, SA, KE, Ni, IDi1
- * sig: HDR, SA, KE, Ni, IDi1 [, CR ]
- * gssapi: HDR, SA, KE, Ni, IDi1, GSSi
- * rsa: HDR, SA, [ HASH(1),] KE, <IDi1_b>Pubkey_r, <Ni_b>Pubkey_r
- * rev: HDR, SA, [ HASH(1),] <Ni_b>Pubkey_r, <KE_b>Ke_i,
- * <IDii_b>Ke_i [, <Cert-I_b>Ke_i ]
- */
-int
-agg_i1send(iph1, msg)
- struct ph1handle *iph1;
- vchar_t *msg; /* must be null */
-{
- struct payload_list *plist = NULL;
- int need_cr = 0;
- vchar_t *cr = NULL, *gsstoken = NULL;
- int error = -1;
-#ifdef ENABLE_NATT
- vchar_t *vid_natt[MAX_NATT_VID_COUNT];
- int i;
-#endif
-#ifdef ENABLE_HYBRID
- vchar_t *vid_xauth = NULL;
- vchar_t *vid_unity = NULL;
-#endif
-#ifdef ENABLE_FRAG
- vchar_t *vid_frag = NULL;
-#endif
-#ifdef HAVE_GSSAPI
- int len;
-#endif
-#ifdef ENABLE_DPD
- vchar_t *vid_dpd = NULL;
-#endif
-
-
- /* validity check */
- if (msg != NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "msg has to be NULL in this function.\n");
- goto end;
- }
- if (iph1->status != PHASE1ST_START) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* create isakmp index */
- memset(&iph1->index, 0, sizeof(iph1->index));
- isakmp_newcookie((caddr_t)&iph1->index, iph1->remote, iph1->local);
-
- /* make ID payload into isakmp status */
- if (ipsecdoi_setid1(iph1) < 0)
- goto end;
-
- /* create SA payload for my proposal */
- iph1->sa = ipsecdoi_setph1proposal(iph1->rmconf->proposal);
- if (iph1->sa == NULL)
- goto end;
-
- /* consistency check of proposals */
- if (iph1->rmconf->dhgrp == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "configuration failure about DH group.\n");
- goto end;
- }
-
- /* generate DH public value */
- if (oakley_dh_generate(iph1->rmconf->dhgrp,
- &iph1->dhpub, &iph1->dhpriv) < 0)
- goto end;
-
- /* generate NONCE value */
- iph1->nonce = eay_set_random(iph1->rmconf->nonce_size);
- if (iph1->nonce == NULL)
- goto end;
-
-#ifdef ENABLE_HYBRID
- /* Do we need Xauth VID? */
- switch (iph1->rmconf->proposal->authmethod) {
- case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R:
- case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R:
- if ((vid_xauth = set_vendorid(VENDORID_XAUTH)) == NULL)
- plog(LLV_ERROR, LOCATION, NULL,
- "Xauth vendor ID generation failed\n");
- if ((vid_unity = set_vendorid(VENDORID_UNITY)) == NULL)
- plog(LLV_ERROR, LOCATION, NULL,
- "Unity vendor ID generation failed\n");
- break;
- default:
- break;
- }
-#endif
-
-#ifdef ENABLE_FRAG
- if (iph1->rmconf->ike_frag) {
- vid_frag = set_vendorid(VENDORID_FRAG);
- if (vid_frag != NULL)
- vid_frag = isakmp_frag_addcap(vid_frag,
- VENDORID_FRAG_AGG);
- if (vid_frag == NULL)
- plog(LLV_ERROR, LOCATION, NULL,
- "Frag vendorID construction failed\n");
- }
-#endif
-
- /* create CR if need */
- if (iph1->rmconf->send_cr
- && oakley_needcr(iph1->rmconf->proposal->authmethod)
- && iph1->rmconf->peerscertfile == NULL) {
- need_cr = 1;
- cr = oakley_getcr(iph1);
- if (cr == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "failed to get cr buffer.\n");
- goto end;
- }
- }
-
- plog(LLV_DEBUG, LOCATION, NULL, "authmethod is %s\n",
- s_oakley_attr_method(iph1->rmconf->proposal->authmethod));
-#ifdef HAVE_GSSAPI
- if (iph1->rmconf->proposal->authmethod ==
- OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB) {
- gssapi_get_itoken(iph1, &len);
- }
-#endif
-
- /* set SA payload to propose */
- plist = isakmp_plist_append(plist, iph1->sa, ISAKMP_NPTYPE_SA);
-
- /* create isakmp KE payload */
- plist = isakmp_plist_append(plist, iph1->dhpub, ISAKMP_NPTYPE_KE);
-
- /* create isakmp NONCE payload */
- plist = isakmp_plist_append(plist, iph1->nonce, ISAKMP_NPTYPE_NONCE);
-
- /* create isakmp ID payload */
- plist = isakmp_plist_append(plist, iph1->id, ISAKMP_NPTYPE_ID);
-
-#ifdef HAVE_GSSAPI
- if (iph1->rmconf->proposal->authmethod ==
- OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB) {
- gssapi_get_token_to_send(iph1, &gsstoken);
- plist = isakmp_plist_append(plist, gsstoken, ISAKMP_NPTYPE_GSS);
- } else
-#endif
- /* create isakmp CR payload */
- if (need_cr)
- plist = isakmp_plist_append(plist, cr, ISAKMP_NPTYPE_CR);
-
-#ifdef ENABLE_FRAG
- if (vid_frag)
- plist = isakmp_plist_append(plist, vid_frag, ISAKMP_NPTYPE_VID);
-#endif
-#ifdef ENABLE_NATT
- /* set VID payload for NAT-T if NAT-T support allowed in the config file */
- if (iph1->rmconf->nat_traversal)
- plist = isakmp_plist_append_natt_vids(plist, vid_natt);
- else
- vid_natt[0]=NULL;
-#endif
-#ifdef ENABLE_HYBRID
- if (vid_xauth)
- plist = isakmp_plist_append(plist,
- vid_xauth, ISAKMP_NPTYPE_VID);
- if (vid_unity)
- plist = isakmp_plist_append(plist,
- vid_unity, ISAKMP_NPTYPE_VID);
-#endif
-#ifdef ENABLE_DPD
- if(iph1->rmconf->dpd){
- vid_dpd = set_vendorid(VENDORID_DPD);
- if (vid_dpd != NULL)
- plist = isakmp_plist_append(plist, vid_dpd, ISAKMP_NPTYPE_VID);
- }
-#endif
-
- iph1->sendbuf = isakmp_plist_set_all (&plist, iph1);
-
-#ifdef HAVE_PRINT_ISAKMP_C
- isakmp_printpacket(iph1->sendbuf, iph1->local, iph1->remote, 0);
-#endif
-
- /* send the packet, add to the schedule to resend */
- iph1->retry_counter = iph1->rmconf->retry_counter;
- if (isakmp_ph1resend(iph1) == -1)
- goto end;
-
- iph1->status = PHASE1ST_MSG1SENT;
-
- error = 0;
-
-end:
- if (cr)
- vfree(cr);
- if (gsstoken)
- vfree(gsstoken);
-#ifdef ENABLE_FRAG
- if (vid_frag)
- vfree(vid_frag);
-#endif
-#ifdef ENABLE_NATT
- for (i = 0; i < MAX_NATT_VID_COUNT && vid_natt[i] != NULL; i++)
- vfree(vid_natt[i]);
-#endif
-#ifdef ENABLE_DPD
- if (vid_dpd != NULL)
- vfree(vid_dpd);
-#endif
-
- return error;
-}
-
-/*
- * receive from responder
- * psk: HDR, SA, KE, Nr, IDr1, HASH_R
- * sig: HDR, SA, KE, Nr, IDr1, [ CR, ] [ CERT, ] SIG_R
- * gssapi: HDR, SA, KE, Nr, IDr1, GSSr, HASH_R
- * rsa: HDR, SA, KE, <IDr1_b>PubKey_i, <Nr_b>PubKey_i, HASH_R
- * rev: HDR, SA, <Nr_b>PubKey_i, <KE_b>Ke_r, <IDir_b>Ke_r, HASH_R
- */
-int
-agg_i2recv(iph1, msg)
- struct ph1handle *iph1;
- vchar_t *msg;
-{
- vchar_t *pbuf = NULL;
- struct isakmp_parse_t *pa;
- vchar_t *satmp = NULL;
- int error = -1;
- int vid_numeric;
- int ptype;
-#ifdef ENABLE_HYBRID
- vchar_t *unity_vid;
- vchar_t *xauth_vid;
-#endif
-#ifdef HAVE_GSSAPI
- vchar_t *gsstoken = NULL;
-#endif
-
-#ifdef ENABLE_NATT
- int natd_seq = 0;
- struct natd_payload {
- int seq;
- vchar_t *payload;
- TAILQ_ENTRY(natd_payload) chain;
- };
- TAILQ_HEAD(_natd_payload, natd_payload) natd_tree;
- TAILQ_INIT(&natd_tree);
-#endif
-
- /* validity check */
- if (iph1->status != PHASE1ST_MSG1SENT) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* validate the type of next payload */
- pbuf = isakmp_parse(msg);
- if (pbuf == NULL)
- goto end;
- pa = (struct isakmp_parse_t *)pbuf->v;
-
- iph1->pl_hash = NULL;
-
- /* SA payload is fixed postion */
- if (pa->type != ISAKMP_NPTYPE_SA) {
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "received invalid next payload type %d, "
- "expecting %d.\n",
- pa->type, ISAKMP_NPTYPE_SA);
- goto end;
- }
-
- if (isakmp_p2ph(&satmp, pa->ptr) < 0)
- goto end;
- pa++;
-
- for (/*nothing*/;
- pa->type != ISAKMP_NPTYPE_NONE;
- pa++) {
-
- switch (pa->type) {
- case ISAKMP_NPTYPE_KE:
- if (isakmp_p2ph(&iph1->dhpub_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_NONCE:
- if (isakmp_p2ph(&iph1->nonce_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_ID:
- if (isakmp_p2ph(&iph1->id_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_HASH:
- iph1->pl_hash = (struct isakmp_pl_hash *)pa->ptr;
- break;
- case ISAKMP_NPTYPE_CR:
- if (oakley_savecr(iph1, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_CERT:
- if (oakley_savecert(iph1, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_SIG:
- if (isakmp_p2ph(&iph1->sig_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_VID:
- vid_numeric = check_vendorid(pa->ptr);
-#ifdef ENABLE_NATT
- if (iph1->rmconf->nat_traversal &&
- natt_vendorid(vid_numeric))
- natt_handle_vendorid(iph1, vid_numeric);
-#endif
-#ifdef ENABLE_HYBRID
- switch (vid_numeric) {
- case VENDORID_XAUTH:
- iph1->mode_cfg->flags |=
- ISAKMP_CFG_VENDORID_XAUTH;
- break;
-
- case VENDORID_UNITY:
- iph1->mode_cfg->flags |=
- ISAKMP_CFG_VENDORID_UNITY;
- break;
- default:
- break;
- }
-#endif
-#ifdef ENABLE_DPD
- if (vid_numeric == VENDORID_DPD && iph1->rmconf->dpd) {
- iph1->dpd_support=1;
- plog(LLV_DEBUG, LOCATION, NULL,
- "remote supports DPD\n");
- }
-#endif
- break;
- case ISAKMP_NPTYPE_N:
- isakmp_check_notify(pa->ptr, iph1);
- break;
-#ifdef HAVE_GSSAPI
- case ISAKMP_NPTYPE_GSS:
- if (isakmp_p2ph(&gsstoken, pa->ptr) < 0)
- goto end;
- gssapi_save_received_token(iph1, gsstoken);
- break;
-#endif
-
-#ifdef ENABLE_NATT
- case ISAKMP_NPTYPE_NATD_DRAFT:
- case ISAKMP_NPTYPE_NATD_RFC:
- if (NATT_AVAILABLE(iph1) && iph1->natt_options &&
- pa->type == iph1->natt_options->payload_nat_d) {
- struct natd_payload *natd;
- natd = (struct natd_payload *)racoon_malloc(sizeof(*natd));
- if (!natd)
- goto end;
-
- natd->payload = NULL;
-
- if (isakmp_p2ph (&natd->payload, pa->ptr) < 0)
- goto end;
-
- natd->seq = natd_seq++;
-
- TAILQ_INSERT_TAIL(&natd_tree, natd, chain);
- break;
- }
- /* passthrough to default... */
-#endif
-
- default:
- /* don't send information, see isakmp_ident_r1() */
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "ignore the packet, "
- "received unexpecting payload type %d.\n",
- pa->type);
- goto end;
- }
- }
-
- /* payload existency check */
- /* XXX to be checked each authentication method. */
-
- /* verify identifier */
- if (ipsecdoi_checkid1(iph1) != 0) {
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "invalid ID payload.\n");
- goto end;
- }
-
- /* check SA payload and set approval SA for use */
- if (ipsecdoi_checkph1proposal(satmp, iph1) < 0) {
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "failed to get valid proposal.\n");
- /* XXX send information */
- goto end;
- }
- VPTRINIT(iph1->sa_ret);
-
- /* fix isakmp index */
- memcpy(&iph1->index.r_ck, &((struct isakmp *)msg->v)->r_ck,
- sizeof(cookie_t));
-
-#ifdef ENABLE_NATT
- if (NATT_AVAILABLE(iph1)) {
- struct natd_payload *natd = NULL;
- int natd_verified;
-
- plog(LLV_INFO, LOCATION, iph1->remote,
- "Selected NAT-T version: %s\n",
- vid_string_by_id(iph1->natt_options->version));
-
- /* set both bits first so that we can clear them
- upon verifying hashes */
- iph1->natt_flags |= NAT_DETECTED;
-
- while ((natd = TAILQ_FIRST(&natd_tree)) != NULL) {
- /* this function will clear appropriate bits bits
- from iph1->natt_flags */
- natd_verified = natt_compare_addr_hash (iph1,
- natd->payload, natd->seq);
-
- plog (LLV_INFO, LOCATION, NULL, "NAT-D payload #%d %s\n",
- natd->seq - 1,
- natd_verified ? "verified" : "doesn't match");
-
- vfree (natd->payload);
-
- TAILQ_REMOVE(&natd_tree, natd, chain);
- racoon_free (natd);
- }
-
- plog (LLV_INFO, LOCATION, NULL, "NAT %s %s%s\n",
- iph1->natt_flags & NAT_DETECTED ?
- "detected:" : "not detected",
- iph1->natt_flags & NAT_DETECTED_ME ? "ME " : "",
- iph1->natt_flags & NAT_DETECTED_PEER ? "PEER" : "");
-
- if (iph1->natt_flags & NAT_DETECTED)
- natt_float_ports (iph1);
- }
-#endif
-
- /* compute sharing secret of DH */
- if (oakley_dh_compute(iph1->rmconf->dhgrp, iph1->dhpub,
- iph1->dhpriv, iph1->dhpub_p, &iph1->dhgxy) < 0)
- goto end;
-
- /* generate SKEYIDs & IV & final cipher key */
- if (oakley_skeyid(iph1) < 0)
- goto end;
- if (oakley_skeyid_dae(iph1) < 0)
- goto end;
- if (oakley_compute_enckey(iph1) < 0)
- goto end;
- if (oakley_newiv(iph1) < 0)
- goto end;
-
- /* validate authentication value */
- ptype = oakley_validate_auth(iph1);
- if (ptype != 0) {
- if (ptype == -1) {
- /* message printed inner oakley_validate_auth() */
- goto end;
- }
- EVT_PUSH(iph1->local, iph1->remote,
- EVTT_PEERPH1AUTH_FAILED, NULL);
- isakmp_info_send_n1(iph1, ptype, NULL);
- goto end;
- }
-
- if (oakley_checkcr(iph1) < 0) {
- /* Ignore this error in order to be interoperability. */
- ;
- }
-
- /* change status of isakmp status entry */
- iph1->status = PHASE1ST_MSG2RECEIVED;
-
- error = 0;
-
-end:
- if (pbuf)
- vfree(pbuf);
- if (satmp)
- vfree(satmp);
- if (error) {
- VPTRINIT(iph1->dhpub_p);
- VPTRINIT(iph1->nonce_p);
- VPTRINIT(iph1->id_p);
- oakley_delcert(iph1->cert_p);
- iph1->cert_p = NULL;
- oakley_delcert(iph1->crl_p);
- iph1->crl_p = NULL;
- VPTRINIT(iph1->sig_p);
- oakley_delcert(iph1->cr_p);
- iph1->cr_p = NULL;
- }
-
- return error;
-}
-
-/*
- * send to responder
- * psk: HDR, HASH_I
- * gssapi: HDR, HASH_I
- * sig: HDR, [ CERT, ] SIG_I
- * rsa: HDR, HASH_I
- * rev: HDR, HASH_I
- */
-int
-agg_i2send(iph1, msg)
- struct ph1handle *iph1;
- vchar_t *msg;
-{
- struct payload_list *plist = NULL;
- int need_cert = 0;
- int error = -1;
- vchar_t *gsshash = NULL;
-
- /* validity check */
- if (iph1->status != PHASE1ST_MSG2RECEIVED) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* generate HASH to send */
- plog(LLV_DEBUG, LOCATION, NULL, "generate HASH_I\n");
- iph1->hash = oakley_ph1hash_common(iph1, GENERATE);
- if (iph1->hash == NULL) {
-#ifdef HAVE_GSSAPI
- if (gssapi_more_tokens(iph1))
- isakmp_info_send_n1(iph1,
- ISAKMP_NTYPE_INVALID_EXCHANGE_TYPE, NULL);
-#endif
- goto end;
- }
-
- switch (iph1->approval->authmethod) {
- case OAKLEY_ATTR_AUTH_METHOD_PSKEY:
- /* set HASH payload */
- plist = isakmp_plist_append(plist, iph1->hash, ISAKMP_NPTYPE_HASH);
- break;
- case OAKLEY_ATTR_AUTH_METHOD_DSSSIG:
- case OAKLEY_ATTR_AUTH_METHOD_RSASIG:
-#ifdef ENABLE_HYBRID
- case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I:
- case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I:
-#endif
- /* XXX if there is CR or not ? */
-
- if (oakley_getmycert(iph1) < 0)
- goto end;
-
- if (oakley_getsign(iph1) < 0)
- goto end;
-
- if (iph1->cert != NULL && iph1->rmconf->send_cert)
- need_cert = 1;
-
- /* add CERT payload if there */
- if (need_cert)
- plist = isakmp_plist_append(plist, iph1->cert->pl, ISAKMP_NPTYPE_CERT);
-
- /* add SIG payload */
- plist = isakmp_plist_append(plist, iph1->sig, ISAKMP_NPTYPE_SIG);
- break;
-
- case OAKLEY_ATTR_AUTH_METHOD_RSAENC:
- case OAKLEY_ATTR_AUTH_METHOD_RSAREV:
- break;
-#ifdef HAVE_GSSAPI
- case OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB:
- gsshash = gssapi_wraphash(iph1);
- if (gsshash == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "failed to wrap hash\n");
- isakmp_info_send_n1(iph1,
- ISAKMP_NTYPE_INVALID_EXCHANGE_TYPE, NULL);
- goto end;
- }
-
- plist = isakmp_plist_append(plist, gsshash, ISAKMP_NPTYPE_HASH);
- break;
-#endif
- }
-
-#ifdef ENABLE_NATT
- /* generate NAT-D payloads */
- if (NATT_AVAILABLE(iph1))
- {
- vchar_t *natd[2] = { NULL, NULL };
-
- plog (LLV_INFO, LOCATION, NULL, "Adding remote and local NAT-D payloads.\n");
- if ((natd[0] = natt_hash_addr (iph1, iph1->remote)) == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "NAT-D hashing failed for %s\n", saddr2str(iph1->remote));
- goto end;
- }
-
- if ((natd[1] = natt_hash_addr (iph1, iph1->local)) == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "NAT-D hashing failed for %s\n", saddr2str(iph1->local));
- goto end;
- }
-
- plist = isakmp_plist_append(plist, natd[0], iph1->natt_options->payload_nat_d);
- plist = isakmp_plist_append(plist, natd[1], iph1->natt_options->payload_nat_d);
- }
-#endif
-
- iph1->sendbuf = isakmp_plist_set_all (&plist, iph1);
-
-#ifdef HAVE_PRINT_ISAKMP_C
- isakmp_printpacket(iph1->sendbuf, iph1->local, iph1->remote, 0);
-#endif
-
- /* send to responder */
- if (isakmp_send(iph1, iph1->sendbuf) < 0)
- goto end;
-
- /* the sending message is added to the received-list. */
- if (add_recvdpkt(iph1->remote, iph1->local, iph1->sendbuf, msg) == -1) {
- plog(LLV_ERROR , LOCATION, NULL,
- "failed to add a response packet to the tree.\n");
- goto end;
- }
-
- /* set encryption flag */
- iph1->flags |= ISAKMP_FLAG_E;
-
- iph1->status = PHASE1ST_ESTABLISHED;
-
- error = 0;
-
-end:
- if (gsshash)
- vfree(gsshash);
- return error;
-}
-
-/*
- * receive from initiator
- * psk: HDR, SA, KE, Ni, IDi1
- * sig: HDR, SA, KE, Ni, IDi1 [, CR ]
- * gssapi: HDR, SA, KE, Ni, IDi1 , GSSi
- * rsa: HDR, SA, [ HASH(1),] KE, <IDi1_b>Pubkey_r, <Ni_b>Pubkey_r
- * rev: HDR, SA, [ HASH(1),] <Ni_b>Pubkey_r, <KE_b>Ke_i,
- * <IDii_b>Ke_i [, <Cert-I_b>Ke_i ]
- */
-int
-agg_r1recv(iph1, msg)
- struct ph1handle *iph1;
- vchar_t *msg;
-{
- int error = -1;
- vchar_t *pbuf = NULL;
- struct isakmp_parse_t *pa;
- int vid_numeric;
-#ifdef HAVE_GSSAPI
- vchar_t *gsstoken = NULL;
-#endif
-
- /* validity check */
- if (iph1->status != PHASE1ST_START) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* validate the type of next payload */
- pbuf = isakmp_parse(msg);
- if (pbuf == NULL)
- goto end;
- pa = (struct isakmp_parse_t *)pbuf->v;
-
- /* SA payload is fixed postion */
- if (pa->type != ISAKMP_NPTYPE_SA) {
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "received invalid next payload type %d, "
- "expecting %d.\n",
- pa->type, ISAKMP_NPTYPE_SA);
- goto end;
- }
- if (isakmp_p2ph(&iph1->sa, pa->ptr) < 0)
- goto end;
- pa++;
-
- for (/*nothing*/;
- pa->type != ISAKMP_NPTYPE_NONE;
- pa++) {
-
- plog(LLV_DEBUG, LOCATION, NULL,
- "received payload of type %s\n",
- s_isakmp_nptype(pa->type));
-
- switch (pa->type) {
- case ISAKMP_NPTYPE_KE:
- if (isakmp_p2ph(&iph1->dhpub_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_NONCE:
- if (isakmp_p2ph(&iph1->nonce_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_ID:
- if (isakmp_p2ph(&iph1->id_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_VID:
- vid_numeric = check_vendorid(pa->ptr);
-
-#ifdef ENABLE_NATT
- if (iph1->rmconf->nat_traversal &&
- natt_vendorid(vid_numeric)) {
- natt_handle_vendorid(iph1, vid_numeric);
- break;
- }
-#endif
-#ifdef ENABLE_HYBRID
- switch (vid_numeric) {
- case VENDORID_XAUTH:
- iph1->mode_cfg->flags |=
- ISAKMP_CFG_VENDORID_XAUTH;
- break;
-
- case VENDORID_UNITY:
- iph1->mode_cfg->flags |=
- ISAKMP_CFG_VENDORID_UNITY;
- break;
- default:
- break;
- }
-#endif
-#ifdef ENABLE_DPD
- if (vid_numeric == VENDORID_DPD && iph1->rmconf->dpd) {
- iph1->dpd_support=1;
- plog(LLV_DEBUG, LOCATION, NULL,
- "remote supports DPD\n");
- }
-#endif
-#ifdef ENABLE_FRAG
- if ((vid_numeric == VENDORID_FRAG) &&
- (vendorid_frag_cap(pa->ptr) & VENDORID_FRAG_AGG))
- iph1->frag = 1;
-#endif
- break;
-
- case ISAKMP_NPTYPE_CR:
- if (oakley_savecr(iph1, pa->ptr) < 0)
- goto end;
- break;
-
-#ifdef HAVE_GSSAPI
- case ISAKMP_NPTYPE_GSS:
- if (isakmp_p2ph(&gsstoken, pa->ptr) < 0)
- goto end;
- gssapi_save_received_token(iph1, gsstoken);
- break;
-#endif
- default:
- /* don't send information, see isakmp_ident_r1() */
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "ignore the packet, "
- "received unexpecting payload type %d.\n",
- pa->type);
- goto end;
- }
- }
-
- /* payload existency check */
- /* XXX to be checked each authentication method. */
-
- /* verify identifier */
- if (ipsecdoi_checkid1(iph1) != 0) {
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "invalid ID payload.\n");
- goto end;
- }
-
-#ifdef ENABLE_NATT
- if (NATT_AVAILABLE(iph1))
- plog(LLV_INFO, LOCATION, iph1->remote,
- "Selected NAT-T version: %s\n",
- vid_string_by_id(iph1->natt_options->version));
-#endif
-
- /* check SA payload and set approval SA for use */
- if (ipsecdoi_checkph1proposal(iph1->sa, iph1) < 0) {
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "failed to get valid proposal.\n");
- /* XXX send information */
- goto end;
- }
-
- if (oakley_checkcr(iph1) < 0) {
- /* Ignore this error in order to be interoperability. */
- ;
- }
-
- iph1->status = PHASE1ST_MSG1RECEIVED;
-
- error = 0;
-
-end:
- if (pbuf)
- vfree(pbuf);
- if (error) {
- VPTRINIT(iph1->sa);
- VPTRINIT(iph1->dhpub_p);
- VPTRINIT(iph1->nonce_p);
- VPTRINIT(iph1->id_p);
- oakley_delcert(iph1->cr_p);
- iph1->cr_p = NULL;
- }
-
- return error;
-}
-
-/*
- * send to initiator
- * psk: HDR, SA, KE, Nr, IDr1, HASH_R
- * sig: HDR, SA, KE, Nr, IDr1, [ CR, ] [ CERT, ] SIG_R
- * gssapi: HDR, SA, KE, Nr, IDr1, GSSr, HASH_R
- * rsa: HDR, SA, KE, <IDr1_b>PubKey_i, <Nr_b>PubKey_i, HASH_R
- * rev: HDR, SA, <Nr_b>PubKey_i, <KE_b>Ke_r, <IDir_b>Ke_r, HASH_R
- */
-int
-agg_r1send(iph1, msg)
- struct ph1handle *iph1;
- vchar_t *msg;
-{
- struct payload_list *plist = NULL;
- int need_cr = 0;
- int need_cert = 0;
- vchar_t *cr = NULL;
- vchar_t *vid = NULL;
- int error = -1;
-#ifdef ENABLE_HYBRID
- vchar_t *xauth_vid = NULL;
- vchar_t *unity_vid = NULL;
-#endif
-#ifdef ENABLE_NATT
- vchar_t *vid_natt = NULL;
- vchar_t *natd[2] = { NULL, NULL };
-#endif
-#ifdef ENABLE_DPD
- vchar_t *vid_dpd = NULL;
-#endif
-
-#ifdef HAVE_GSSAPI
- int gsslen;
- vchar_t *gsstoken = NULL, *gsshash = NULL;
- vchar_t *gss_sa = NULL;
-#endif
-
- /* validity check */
- if (iph1->status != PHASE1ST_MSG1RECEIVED) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* set responder's cookie */
- isakmp_newcookie((caddr_t)&iph1->index.r_ck, iph1->remote, iph1->local);
-
- /* make ID payload into isakmp status */
- if (ipsecdoi_setid1(iph1) < 0)
- goto end;
-
- /* generate DH public value */
- if (oakley_dh_generate(iph1->rmconf->dhgrp,
- &iph1->dhpub, &iph1->dhpriv) < 0)
- goto end;
-
- /* generate NONCE value */
- iph1->nonce = eay_set_random(iph1->rmconf->nonce_size);
- if (iph1->nonce == NULL)
- goto end;
-
- /* compute sharing secret of DH */
- if (oakley_dh_compute(iph1->approval->dhgrp, iph1->dhpub,
- iph1->dhpriv, iph1->dhpub_p, &iph1->dhgxy) < 0)
- goto end;
-
- /* generate SKEYIDs & IV & final cipher key */
- if (oakley_skeyid(iph1) < 0)
- goto end;
- if (oakley_skeyid_dae(iph1) < 0)
- goto end;
- if (oakley_compute_enckey(iph1) < 0)
- goto end;
- if (oakley_newiv(iph1) < 0)
- goto end;
-
-#ifdef HAVE_GSSAPI
- if (iph1->rmconf->proposal->authmethod ==
- OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB)
- gssapi_get_rtoken(iph1, &gsslen);
-#endif
-
- /* generate HASH to send */
- plog(LLV_DEBUG, LOCATION, NULL, "generate HASH_R\n");
- iph1->hash = oakley_ph1hash_common(iph1, GENERATE);
- if (iph1->hash == NULL) {
-#ifdef HAVE_GSSAPI
- if (gssapi_more_tokens(iph1))
- isakmp_info_send_n1(iph1,
- ISAKMP_NTYPE_INVALID_EXCHANGE_TYPE, NULL);
-#endif
- goto end;
- }
-
- /* create CR if need */
- if (iph1->rmconf->send_cr
- && oakley_needcr(iph1->approval->authmethod)
- && iph1->rmconf->peerscertfile == NULL) {
- need_cr = 1;
- cr = oakley_getcr(iph1);
- if (cr == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "failed to get cr buffer.\n");
- goto end;
- }
- }
-
-#ifdef ENABLE_NATT
- /* Has the peer announced NAT-T? */
- if (NATT_AVAILABLE(iph1)) {
- /* set chosen VID */
- vid_natt = set_vendorid(iph1->natt_options->version);
-
- /* generate NAT-D payloads */
- plog (LLV_INFO, LOCATION, NULL, "Adding remote and local NAT-D payloads.\n");
- if ((natd[0] = natt_hash_addr (iph1, iph1->remote)) == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "NAT-D hashing failed for %s\n", saddr2str(iph1->remote));
- goto end;
- }
-
- if ((natd[1] = natt_hash_addr (iph1, iph1->local)) == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "NAT-D hashing failed for %s\n", saddr2str(iph1->local));
- goto end;
- }
- }
-#endif
-#ifdef ENABLE_DPD
- /* Only send DPD support if remote announced DPD and if DPD support is active */
- if (iph1->dpd_support && iph1->rmconf->dpd)
- vid_dpd = set_vendorid(VENDORID_DPD);
-#endif
-
- switch (iph1->approval->authmethod) {
- case OAKLEY_ATTR_AUTH_METHOD_PSKEY:
- /* set SA payload to reply */
- plist = isakmp_plist_append(plist, iph1->sa_ret, ISAKMP_NPTYPE_SA);
-
- /* create isakmp KE payload */
- plist = isakmp_plist_append(plist, iph1->dhpub, ISAKMP_NPTYPE_KE);
-
- /* create isakmp NONCE payload */
- plist = isakmp_plist_append(plist, iph1->nonce, ISAKMP_NPTYPE_NONCE);
-
- /* create isakmp ID payload */
- plist = isakmp_plist_append(plist, iph1->id, ISAKMP_NPTYPE_ID);
-
- /* create isakmp HASH payload */
- plist = isakmp_plist_append(plist, iph1->hash, ISAKMP_NPTYPE_HASH);
-
- /* append vendor id, if needed */
- if (vid)
- plist = isakmp_plist_append(plist, vid, ISAKMP_NPTYPE_VID);
-
- /* create isakmp CR payload if needed */
- if (need_cr)
- plist = isakmp_plist_append(plist, cr, ISAKMP_NPTYPE_CR);
- break;
- case OAKLEY_ATTR_AUTH_METHOD_DSSSIG:
- case OAKLEY_ATTR_AUTH_METHOD_RSASIG:
-#ifdef ENABLE_HYBRID
- case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I:
- case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I:
-#endif
- /* XXX if there is CR or not ? */
-
- if (oakley_getmycert(iph1) < 0)
- goto end;
-
- if (oakley_getsign(iph1) < 0)
- goto end;
-
- if (iph1->cert != NULL && iph1->rmconf->send_cert)
- need_cert = 1;
-
- /* set SA payload to reply */
- plist = isakmp_plist_append(plist, iph1->sa_ret, ISAKMP_NPTYPE_SA);
-
- /* create isakmp KE payload */
- plist = isakmp_plist_append(plist, iph1->dhpub, ISAKMP_NPTYPE_KE);
-
- /* create isakmp NONCE payload */
- plist = isakmp_plist_append(plist, iph1->nonce, ISAKMP_NPTYPE_NONCE);
-
- /* add ID payload */
- plist = isakmp_plist_append(plist, iph1->id, ISAKMP_NPTYPE_ID);
-
- /* add CERT payload if there */
- if (need_cert)
- plist = isakmp_plist_append(plist, iph1->cert->pl, ISAKMP_NPTYPE_CERT);
-
- /* add SIG payload */
- plist = isakmp_plist_append(plist, iph1->sig, ISAKMP_NPTYPE_SIG);
-
- /* append vendor id, if needed */
- if (vid)
- plist = isakmp_plist_append(plist, vid, ISAKMP_NPTYPE_VID);
-
-#ifdef ENABLE_HYBRID
- if (iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_XAUTH) {
- if ((xauth_vid = set_vendorid(VENDORID_XAUTH)) == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "Cannot create Xauth vendor ID\n");
- goto end;
- }
- plist = isakmp_plist_append(plist,
- xauth_vid, ISAKMP_NPTYPE_VID);
- }
-
- if (iph1->mode_cfg->flags & ISAKMP_CFG_VENDORID_UNITY) {
- if ((unity_vid = set_vendorid(VENDORID_UNITY)) == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "Cannot create Unity vendor ID\n");
- goto end;
- }
- plist = isakmp_plist_append(plist,
- unity_vid, ISAKMP_NPTYPE_VID);
- }
-#endif
-
- /* create isakmp CR payload if needed */
- if (need_cr)
- plist = isakmp_plist_append(plist, cr, ISAKMP_NPTYPE_CR);
- break;
-
- case OAKLEY_ATTR_AUTH_METHOD_RSAENC:
- case OAKLEY_ATTR_AUTH_METHOD_RSAREV:
- break;
-#ifdef HAVE_GSSAPI
- case OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB:
- /* create buffer to send isakmp payload */
- gsshash = gssapi_wraphash(iph1);
- if (gsshash == NULL) {
- plog(LLV_ERROR, LOCATION, NULL,
- "failed to wrap hash\n");
- /*
- * This is probably due to the GSS roundtrips not
- * being finished yet. Return this error in
- * the hope that a fallback to main mode will
- * be done.
- */
- isakmp_info_send_n1(iph1,
- ISAKMP_NTYPE_INVALID_EXCHANGE_TYPE, NULL);
- goto end;
- }
- if (iph1->approval->gssid != NULL)
- gss_sa = ipsecdoi_setph1proposal(iph1->approval);
- else
- gss_sa = iph1->sa_ret;
-
- /* set SA payload to reply */
- plist = isakmp_plist_append(plist, gss_sa, ISAKMP_NPTYPE_SA);
-
- /* create isakmp KE payload */
- plist = isakmp_plist_append(plist, iph1->dhpub, ISAKMP_NPTYPE_KE);
-
- /* create isakmp NONCE payload */
- plist = isakmp_plist_append(plist, iph1->nonce, ISAKMP_NPTYPE_NONCE);
-
- /* create isakmp ID payload */
- plist = isakmp_plist_append(plist, iph1->id, ISAKMP_NPTYPE_ID);
-
- /* create GSS payload */
- gssapi_get_token_to_send(iph1, &gsstoken);
- plist = isakmp_plist_append(plist, gsstoken, ISAKMP_NPTYPE_GSS);
-
- /* create isakmp HASH payload */
- plist = isakmp_plist_append(plist, gsshash, ISAKMP_NPTYPE_HASH);
-
- /* append vendor id, if needed */
- if (vid)
- plist = isakmp_plist_append(plist, vid, ISAKMP_NPTYPE_VID);
-
- break;
-#endif
- }
-
-#ifdef ENABLE_NATT
- /* append NAT-T payloads */
- if (vid_natt) {
- /* chosen VID */
- plist = isakmp_plist_append(plist, vid_natt, ISAKMP_NPTYPE_VID);
- /* NAT-D */
- plist = isakmp_plist_append(plist, natd[0], iph1->natt_options->payload_nat_d);
- plist = isakmp_plist_append(plist, natd[1], iph1->natt_options->payload_nat_d);
- }
-#endif
-#ifdef ENABLE_DPD
- if (vid_dpd)
- plist = isakmp_plist_append(plist, vid_dpd, ISAKMP_NPTYPE_VID);
-#endif
-
- iph1->sendbuf = isakmp_plist_set_all (&plist, iph1);
-
-#ifdef HAVE_PRINT_ISAKMP_C
- isakmp_printpacket(iph1->sendbuf, iph1->local, iph1->remote, 1);
-#endif
-
- /* send the packet, add to the schedule to resend */
- iph1->retry_counter = iph1->rmconf->retry_counter;
- if (isakmp_ph1resend(iph1) == -1)
- goto end;
-
- /* the sending message is added to the received-list. */
- if (add_recvdpkt(iph1->remote, iph1->local, iph1->sendbuf, msg) == -1) {
- plog(LLV_ERROR , LOCATION, NULL,
- "failed to add a response packet to the tree.\n");
- goto end;
- }
-
- iph1->status = PHASE1ST_MSG1SENT;
-
- error = 0;
-
-end:
- if (cr)
- vfree(cr);
- if (vid)
- vfree(vid);
-#ifdef ENABLE_HYBRID
- if (xauth_vid)
- vfree(xauth_vid);
- if (unity_vid)
- vfree(unity_vid);
-#endif
-#ifdef HAVE_GSSAPI
- if (gsstoken)
- vfree(gsstoken);
- if (gsshash)
- vfree(gsshash);
- if (gss_sa != iph1->sa_ret)
- vfree(gss_sa);
-#endif
-#ifdef ENABLE_DPD
- if (vid_dpd)
- vfree(vid_dpd);
-#endif
-
- return error;
-}
-
-/*
- * receive from initiator
- * psk: HDR, HASH_I
- * gssapi: HDR, HASH_I
- * sig: HDR, [ CERT, ] SIG_I
- * rsa: HDR, HASH_I
- * rev: HDR, HASH_I
- */
-int
-agg_r2recv(iph1, msg0)
- struct ph1handle *iph1;
- vchar_t *msg0;
-{
- vchar_t *msg = NULL;
- vchar_t *pbuf = NULL;
- struct isakmp_parse_t *pa;
- int error = -1;
- int ptype;
-
-#ifdef ENABLE_NATT
- int natd_seq = 0;
-#endif
-
- /* validity check */
- if (iph1->status != PHASE1ST_MSG1SENT) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* decrypting if need. */
- /* XXX configurable ? */
- if (ISSET(((struct isakmp *)msg0->v)->flags, ISAKMP_FLAG_E)) {
- msg = oakley_do_decrypt(iph1, msg0,
- iph1->ivm->iv, iph1->ivm->ive);
- if (msg == NULL)
- goto end;
- } else
- msg = vdup(msg0);
-
- /* validate the type of next payload */
- pbuf = isakmp_parse(msg);
- if (pbuf == NULL)
- goto end;
-
- iph1->pl_hash = NULL;
-
- for (pa = (struct isakmp_parse_t *)pbuf->v;
- pa->type != ISAKMP_NPTYPE_NONE;
- pa++) {
-
- switch (pa->type) {
- case ISAKMP_NPTYPE_HASH:
- iph1->pl_hash = (struct isakmp_pl_hash *)pa->ptr;
- break;
- case ISAKMP_NPTYPE_VID:
- (void)check_vendorid(pa->ptr);
- break;
- case ISAKMP_NPTYPE_CERT:
- if (oakley_savecert(iph1, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_SIG:
- if (isakmp_p2ph(&iph1->sig_p, pa->ptr) < 0)
- goto end;
- break;
- case ISAKMP_NPTYPE_N:
- isakmp_check_notify(pa->ptr, iph1);
- break;
-
-#ifdef ENABLE_NATT
- case ISAKMP_NPTYPE_NATD_DRAFT:
- case ISAKMP_NPTYPE_NATD_RFC:
- if (pa->type == iph1->natt_options->payload_nat_d)
- {
- vchar_t *natd_received = NULL;
- int natd_verified;
-
- if (isakmp_p2ph (&natd_received, pa->ptr) < 0)
- goto end;
-
- if (natd_seq == 0)
- iph1->natt_flags |= NAT_DETECTED;
-
- natd_verified = natt_compare_addr_hash (iph1,
- natd_received, natd_seq++);
-
- plog (LLV_INFO, LOCATION, NULL, "NAT-D payload #%d %s\n",
- natd_seq - 1,
- natd_verified ? "verified" : "doesn't match");
-
- vfree (natd_received);
- break;
- }
- /* passthrough to default... */
-#endif
-
- default:
- /* don't send information, see isakmp_ident_r1() */
- plog(LLV_ERROR, LOCATION, iph1->remote,
- "ignore the packet, "
- "received unexpecting payload type %d.\n",
- pa->type);
- goto end;
- }
- }
-
-#ifdef ENABLE_NATT
- if (NATT_AVAILABLE(iph1))
- plog (LLV_INFO, LOCATION, NULL, "NAT %s %s%s\n",
- iph1->natt_flags & NAT_DETECTED ?
- "detected:" : "not detected",
- iph1->natt_flags & NAT_DETECTED_ME ? "ME " : "",
- iph1->natt_flags & NAT_DETECTED_PEER ? "PEER" : "");
-#endif
-
- /* validate authentication value */
- ptype = oakley_validate_auth(iph1);
- if (ptype != 0) {
- if (ptype == -1) {
- /* message printed inner oakley_validate_auth() */
- goto end;
- }
- EVT_PUSH(iph1->local, iph1->remote,
- EVTT_PEERPH1AUTH_FAILED, NULL);
- isakmp_info_send_n1(iph1, ptype, NULL);
- goto end;
- }
-
- iph1->status = PHASE1ST_MSG2RECEIVED;
-
- error = 0;
-
-end:
- if (pbuf)
- vfree(pbuf);
- if (msg)
- vfree(msg);
- if (error) {
- oakley_delcert(iph1->cert_p);
- iph1->cert_p = NULL;
- oakley_delcert(iph1->crl_p);
- iph1->crl_p = NULL;
- VPTRINIT(iph1->sig_p);
- }
-
- return error;
-}
-
-/*
- * status update and establish isakmp sa.
- */
-int
-agg_r2send(iph1, msg)
- struct ph1handle *iph1;
- vchar_t *msg;
-{
- int error = -1;
-
- /* validity check */
- if (iph1->status != PHASE1ST_MSG2RECEIVED) {
- plog(LLV_ERROR, LOCATION, NULL,
- "status mismatched %d.\n", iph1->status);
- goto end;
- }
-
- /* IV synchronized when packet encrypted. */
- /* see handler.h about IV synchronization. */
- if (ISSET(((struct isakmp *)msg->v)->flags, ISAKMP_FLAG_E))
- memcpy(iph1->ivm->iv->v, iph1->ivm->ive->v, iph1->ivm->iv->l);
-
- /* set encryption flag */
- iph1->flags |= ISAKMP_FLAG_E;
-
- iph1->status = PHASE1ST_ESTABLISHED;
-
- error = 0;
-
-end:
- return error;
-}
projects / bcm963xx.git / blobdiff