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-rw-r--r--sbin/ipsec/photurisd/config.c9
-rw-r--r--sbin/ipsec/photurisd/handle_identity_request.c9
-rw-r--r--sbin/ipsec/photurisd/handle_identity_response.c9
-rw-r--r--sbin/ipsec/photurisd/handle_spi_needed.c6
-rw-r--r--sbin/ipsec/photurisd/handle_spi_update.c7
-rw-r--r--sbin/ipsec/photurisd/identity.c15
-rw-r--r--sbin/ipsec/photurisd/kernel.c212
-rw-r--r--sbin/ipsec/photurisd/kernel.h9
-rw-r--r--sbin/ipsec/photurisd/schedule.c13
-rw-r--r--sbin/ipsec/photurisd/server.c40
-rw-r--r--sbin/ipsec/photurisd/server.h3
-rw-r--r--sbin/ipsec/photurisd/state.c6
-rw-r--r--sbin/ipsec/photurisd/state.h23
13 files changed, 292 insertions, 69 deletions
diff --git a/sbin/ipsec/photurisd/config.c b/sbin/ipsec/photurisd/config.c
index 1dbd1c02c4a..8b58f2ca048 100644
--- a/sbin/ipsec/photurisd/config.c
+++ b/sbin/ipsec/photurisd/config.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -33,7 +33,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: config.c,v 1.6 1998/03/04 11:43:15 provos Exp $";
+static char rcsid[] = "$Id: config.c,v 1.7 1998/05/18 21:25:20 provos Exp $";
#endif
#define _CONFIG_C_
@@ -926,6 +926,11 @@ pick_attrib(struct stateob *st, u_int8_t **attrib, u_int16_t *attribsize)
}
}
}
+ if (count == 0) {
+ log_error(0, "no attributes in attribute list for %s in pick_attrib()",
+ st->address);
+ return -1;
+ }
if ((*attrib = calloc(count, sizeof(u_int8_t))) == NULL) {
log_error(1, "calloc() in in pick_attrib()");
diff --git a/sbin/ipsec/photurisd/handle_identity_request.c b/sbin/ipsec/photurisd/handle_identity_request.c
index fee093ad3e5..73d1affc8e9 100644
--- a/sbin/ipsec/photurisd/handle_identity_request.c
+++ b/sbin/ipsec/photurisd/handle_identity_request.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: handle_identity_request.c,v 1.5 1998/03/04 11:43:20 provos Exp $";
+static char rcsid[] = "$Id: handle_identity_request.c,v 1.6 1998/05/18 21:25:23 provos Exp $";
#endif
#include <stdio.h>
@@ -296,7 +296,7 @@ handle_identity_request(u_char *packet, int size, char *address,
spi_insert(spi);
#ifdef IPSEC
- kernel_insert_spi(spi);
+ kernel_insert_spi(st, spi);
#endif
schedule_insert(UPDATE, st->olifetime/2, spi->SPI, SPI_SIZE);
}
@@ -311,6 +311,7 @@ handle_identity_request(u_char *packet, int size, char *address,
log_error(1, "strdup() in handle_identity_request()");
return -1;
}
+ spi->flags |= st->flags & IPSEC_NOTIFY ? SPI_NOTIFY : 0;
bcopy(st->icookie, spi->icookie, COOKIE_SIZE);
spi->attribsize = st->uSPIattribsize;
spi->attributes = calloc(spi->attribsize, sizeof(u_int8_t));
@@ -331,7 +332,7 @@ handle_identity_request(u_char *packet, int size, char *address,
spi_insert(spi);
#ifdef IPSEC
- kernel_insert_spi(spi);
+ kernel_insert_spi(st, spi);
#endif
}
diff --git a/sbin/ipsec/photurisd/handle_identity_response.c b/sbin/ipsec/photurisd/handle_identity_response.c
index 8674421c8f7..258a232aac3 100644
--- a/sbin/ipsec/photurisd/handle_identity_response.c
+++ b/sbin/ipsec/photurisd/handle_identity_response.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: handle_identity_response.c,v 1.5 1998/03/04 11:43:21 provos Exp $";
+static char rcsid[] = "$Id: handle_identity_response.c,v 1.6 1998/05/18 21:25:25 provos Exp $";
#endif
#include <stdio.h>
@@ -243,7 +243,7 @@ handle_identity_response(u_char *packet, int size, char *address,
spi_insert(spi);
#ifdef IPSEC
- kernel_insert_spi(spi);
+ kernel_insert_spi(st, spi);
#endif
schedule_insert(UPDATE, st->olifetime/2, spi->SPI, SPI_SIZE);
}
@@ -257,6 +257,7 @@ handle_identity_response(u_char *packet, int size, char *address,
log_error(1, "strdup() in handle_identity_response()");
return -1;
}
+ spi->flags |= st->flags & IPSEC_NOTIFY ? SPI_NOTIFY : 0;
bcopy(st->icookie, spi->icookie, COOKIE_SIZE);
spi->attribsize = st->uSPIattribsize;
spi->attributes = calloc(spi->attribsize, sizeof(u_int8_t));
@@ -277,7 +278,7 @@ handle_identity_response(u_char *packet, int size, char *address,
spi_insert(spi);
#ifdef IPSEC
- kernel_insert_spi(spi);
+ kernel_insert_spi(st, spi);
#endif
}
return 0;
diff --git a/sbin/ipsec/photurisd/handle_spi_needed.c b/sbin/ipsec/photurisd/handle_spi_needed.c
index 0cdb1946971..3ea5b20a3a2 100644
--- a/sbin/ipsec/photurisd/handle_spi_needed.c
+++ b/sbin/ipsec/photurisd/handle_spi_needed.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: handle_spi_needed.c,v 1.5 1998/03/04 11:43:23 provos Exp $";
+static char rcsid[] = "$Id: handle_spi_needed.c,v 1.6 1998/05/18 21:25:27 provos Exp $";
#endif
#include <stdio.h>
@@ -190,7 +190,7 @@ handle_spi_needed(u_char *packet, int size, char *address,
spi_insert(spi);
schedule_insert(UPDATE, st->olifetime/2, spi->SPI, SPI_SIZE);
#ifdef IPSEC
- kernel_insert_spi(spi);
+ kernel_insert_spi(st, spi);
#endif
return 0;
}
diff --git a/sbin/ipsec/photurisd/handle_spi_update.c b/sbin/ipsec/photurisd/handle_spi_update.c
index 3d5e284c867..7cde3dcce29 100644
--- a/sbin/ipsec/photurisd/handle_spi_update.c
+++ b/sbin/ipsec/photurisd/handle_spi_update.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: handle_spi_update.c,v 1.5 1998/03/04 11:43:24 provos Exp $";
+static char rcsid[] = "$Id: handle_spi_update.c,v 1.6 1998/05/18 21:25:28 provos Exp $";
#endif
#include <stdio.h>
@@ -167,6 +167,7 @@ handle_spi_update(u_char *packet, int size, char *address,
log_error(1, "calloc() in handle_spi_update()");
return -1;
}
+ spi->flags |= st->flags & IPSEC_NOTIFY ? SPI_NOTIFY : 0;
bcopy(attributes, spi->attributes, attribsize);
spi->attribsize = attribsize;
bcopy(st->icookie, spi->icookie, COOKIE_SIZE);
@@ -178,7 +179,7 @@ handle_spi_update(u_char *packet, int size, char *address,
spi_insert(spi);
#ifdef IPSEC
- kernel_insert_spi(spi);
+ kernel_insert_spi(st, spi);
#endif
return 0;
}
diff --git a/sbin/ipsec/photurisd/identity.c b/sbin/ipsec/photurisd/identity.c
index e4ec661fcaf..90f91f15a9f 100644
--- a/sbin/ipsec/photurisd/identity.c
+++ b/sbin/ipsec/photurisd/identity.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -33,7 +33,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: identity.c,v 1.5 1998/03/04 11:43:29 provos Exp $";
+static char rcsid[] = "$Id: identity.c,v 1.6 1998/05/18 21:25:30 provos Exp $";
#endif
#define _IDENTITY_C_
@@ -350,9 +350,14 @@ get_secrets(struct stateob *st, int mode)
}
}
- if((strlen(remote_secret) == 0 && (mode & ID_REMOTE)) ||
- (strlen(local_ident) == 0 && (mode & (ID_LOCAL|ID_LOCALPAIR))) ) {
- log_error(0, "Can't find identities or secrets in get_secrets()");
+ if(strlen(remote_secret) == 0 && (mode & ID_REMOTE)) {
+ log_error(0, "Can't find remote secret for %s in get_secrets()",
+ st->uSPIident+2);
+ return -1;
+ }
+
+ if (strlen(local_ident) == 0 && (mode & (ID_LOCAL|ID_LOCALPAIR)) ) {
+ log_error(0, "Can't find local identity in get_secrets()");
return -1;
}
diff --git a/sbin/ipsec/photurisd/kernel.c b/sbin/ipsec/photurisd/kernel.c
index f4c29ebad52..8dab2f16130 100644
--- a/sbin/ipsec/photurisd/kernel.c
+++ b/sbin/ipsec/photurisd/kernel.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -28,10 +28,23 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+
+/*
+ * The following functions handle the interaction of the Photuris daemon
+ * with the PF_ENCAP interface as used by OpenBSD's IPSec implementation.
+ * This is the only file which needs to be changed for making Photuris
+ * work with other kernel interfaces.
+ * The SPI object here can actually hold two SPIs, one for encryption
+ * and one for authentication.
+ */
+
#ifndef lint
-static char rcsid[] = "$Id: kernel.c,v 1.7 1998/03/16 20:49:50 provos Exp $";
+static char rcsid[] = "$Id: kernel.c,v 1.8 1998/05/18 21:25:31 provos Exp $";
#endif
+#include <time.h>
+#include <sys/time.h>
+
#include <sys/param.h>
#include <sys/file.h>
#include <sys/socket.h>
@@ -69,6 +82,7 @@ static char rcsid[] = "$Id: kernel.c,v 1.7 1998/03/16 20:49:50 provos Exp $";
#include "spi.h"
#include "kernel.h"
#include "errlog.h"
+#include "server.h"
#ifdef DEBUG
#include "config.h"
#endif
@@ -159,7 +173,7 @@ kernel_get_socket(void)
void
kernel_set_socket_policy(int sd)
{
- u_char level;
+ int level;
/*
* Need to bypass system security policy, so I can send and
@@ -168,13 +182,13 @@ kernel_set_socket_policy(int sd)
level = IPSEC_LEVEL_BYPASS; /* Did I mention I'm privileged? */
if (setsockopt(sd, IPPROTO_IP, IP_AUTH_LEVEL, (char *)&level,
- sizeof (u_char)) == -1)
+ sizeof (int)) == -1)
crit_error(1, "setsockopt: can not bypass ipsec authentication policy");
if (setsockopt(sd, IPPROTO_IP, IP_ESP_TRANS_LEVEL,
- (char *)&level, sizeof (u_char)) == -1)
+ (char *)&level, sizeof (int)) == -1)
crit_error(1, "setsockopt: can not bypass ipsec esp transport policy");
if (setsockopt(sd, IPPROTO_IP, IP_ESP_NETWORK_LEVEL,
- (char *)&level, sizeof (u_char)) == -1)
+ (char *)&level, sizeof (int)) == -1)
crit_error(1, "setsockopt: can not bypass ipsec esp network policy");
}
@@ -235,7 +249,7 @@ kernel_reserve_single_spi(char *srcaddress, u_int32_t spi, int proto)
kernel_debug(("kernel_reserve_single_spi: %s, %08x\n", srcaddress, spi));
- bzero(buffer, EMT_ENABLESPI_FLEN);
+ bzero(buffer, EMT_RESERVESPI_FLEN);
em = (struct encap_msghdr *)buffer;
@@ -542,6 +556,10 @@ kernel_disable_spi(in_addr_t isrc, in_addr_t ismask,
return 1;
}
+/*
+ * Remove a single SPI from the kernel database.
+ */
+
int
kernel_delete_spi(char *address, u_int8_t *spi, int proto)
{
@@ -569,8 +587,14 @@ kernel_delete_spi(char *address, u_int8_t *spi, int proto)
return 1;
}
+/*
+ * Creates the correspondings SPI's with the kernel and establishes
+ * routing if necessary, i.e. when the SPIs were not created by
+ * kernel notifies.
+ */
+
int
-kernel_insert_spi(struct spiob *SPI)
+kernel_insert_spi(struct stateob *st, struct spiob *SPI)
{
u_int8_t *spi;
u_int8_t *attributes;
@@ -641,13 +665,19 @@ kernel_insert_spi(struct spiob *SPI)
log_error(0, "kernel_group_spi() in kernel_insert_spi()");
}
- if (!(SPI->flags & SPI_OWNER) && !(SPI->flags & SPI_NOTIFY)) {
- if (kernel_enable_spi(SPI->isrc, SPI->ismask,
- SPI->idst, SPI->idmask,
- SPI->address, spi, proto,
- ENABLE_FLAG_REPLACE|ENABLE_FLAG_LOCAL) == -1)
- log_error(0, "kernel_enable_spi() in kernel_insert_spi()");
- }
+ if (!(SPI->flags & SPI_OWNER))
+ if (!(SPI->flags & SPI_NOTIFY)) {
+ if (kernel_enable_spi(SPI->isrc, SPI->ismask,
+ SPI->idst, SPI->idmask,
+ SPI->address, spi, proto,
+ ENABLE_FLAG_REPLACE|ENABLE_FLAG_LOCAL) == -1)
+ log_error(0, "kernel_enable_spi() in kernel_insert_spi()");
+ } else {
+ /*
+ * Inform the kernel that we obtained the requested SA
+ */
+ kernel_notify_result(st, SPI, proto);
+ }
/* Is this what people call perfect forward security ? */
bzero(SPI->sessionkey, SPI->sessionkeysize);
@@ -657,6 +687,14 @@ kernel_insert_spi(struct spiob *SPI)
return 1;
}
+/*
+ * Deletes an SPI object, which means removing the SPIs from the
+ * kernel database and the deletion of all routes which were
+ * established on our behalf. Routes for SA's which were created by
+ * kernel notifies also get removed, since they are not any longer
+ * valid anyway.
+ */
+
int
kernel_unlink_spi(struct spiob *ospi)
{
@@ -736,3 +774,147 @@ kernel_unlink_spi(struct spiob *ospi)
return 1;
}
+
+/*
+ * Handles Notifies from the kernel, which can include Requests for new
+ * SAs, soft and hard expirations for already established SAs.
+ */
+
+void
+kernel_handle_notify(int sd)
+{
+ struct encap_msghdr em;
+ int msglen;
+
+ if ((msglen = recvfrom(sd, (char *)&em, sizeof(em),0, NULL,0)) == -1) {
+ log_error(1, "recvfrom() in kernel_handle_notify()");
+ return;
+ }
+
+ if (msglen != em.em_msglen) {
+ log_error(0, "message length incorrect in kernel_handle_notify(): got %d where it should be %d", msglen, em.em_msglen);
+ return;
+ }
+
+ if (em.em_type != EMT_NOTIFY) {
+ log_error(0, "message type is not notify in kernel_handle_notify()");
+ return;
+ }
+
+#ifdef DEBUG
+ printf("Received EMT_NOTIFY message: subtype %d\n", em.em_not_type);
+#endif
+
+ switch (em.em_not_type) {
+ case NOTIFY_SOFT_EXPIRE:
+ case NOTIFY_HARD_EXPIRE:
+ log_error(0, "Notify is an SA Expiration - not yet supported.\n");
+ return;
+ case NOTIFY_REQUEST_SA:
+#ifdef DEBUG
+ printf("Notify SA Request for IP: %s, require %d\n",
+ inet_ntoa(em.em_not_dst), em.em_not_satype);
+#endif
+ kernel_request_sa(&em);
+ break;
+ default:
+ log_error(0, "Unknown notify message in kernel_handle_notify");
+ return;
+ }
+}
+
+/*
+ * Tries to establish a new SA according to the information in a
+ * REQUEST_SA notify message received from the kernel.
+ */
+
+int
+kernel_request_sa(struct encap_msghdr *em)
+{
+ struct stateob *st;
+ time_t tm;
+ char *address = inet_ntoa(em->em_not_dst);
+
+ /* Try to find an already established exchange which is still valid */
+ st = state_find(address);
+
+ tm = time(NULL);
+ while (st != NULL && st->lifetime <= tm)
+ st = state_find_next(st, address);
+
+ if (st == NULL) {
+ /* No established exchange found, start a new one */
+ if ((st = state_new()) == NULL) {
+ log_error(0, "state_new() failed in kernel_request_sa() for remote ip %s",
+ address);
+ return (-1);
+ }
+ /* Set up the state information */
+ strncpy(st->address, address, sizeof(st->address)-1);
+ st->port = global_port;
+ st->sport = em->em_not_sport;
+ st->dport = em->em_not_dport;
+ st->protocol = em->em_not_protocol;
+
+ /*
+ * For states which were created by kernel notifies we wont
+ * set up routes since other keying daemons might habe beaten
+ * us in establishing SAs. The kernel has to decide which SA
+ * will actually be routed.
+ */
+ st->flags = IPSEC_NOTIFY;
+ if (em->em_not_satype & NOTIFY_SATYPE_CONF)
+ st->flags |= IPSEC_OPT_ENC;
+ if (em->em_not_satype & NOTIFY_SATYPE_AUTH)
+ st->flags |= IPSEC_OPT_AUTH;
+ /* XXX - handling of tunnel requests missing */
+ if (start_exchange(global_socket, st, st->address, st->port) == -1) {
+ log_error(0, "start_exchange() in kernel_request_sa() - informing kernel of failure");
+ /* Inform kernel of our failure */
+ kernel_notify_result(st, NULL, 0);
+ state_value_reset(st);
+ free(st);
+ return (-1);
+ } else
+ state_insert(st);
+ } else {
+ /*
+ * We need different attributes for this exchange, send
+ * an SPI_NEEDED message.
+ */
+ }
+}
+
+/*
+ * Report the established SA or either our failure to create an SA
+ * to the kernel.
+ * Passing a SPI of NULL means failure.
+ */
+
+void
+kernel_notify_result(struct stateob *st, struct spiob *spi, int proto)
+{
+ struct encap_msghdr em;
+
+ bzero((char *)&em, sizeof(em));
+ em.em_type = EMT_NOTIFY;
+ em.em_msglen = EMT_NOTIFY_FLEN;
+ em.em_version = PFENCAP_VERSION_1;
+ em.em_not_type = NOTIFY_REQUEST_SA;
+ if (spi != NULL) {
+ em.em_not_spi = htonl((spi->SPI[0]<<24) + (spi->SPI[1]<<16) +
+ (spi->SPI[2]<<8) + spi->SPI[3]);
+ em.em_not_dst.s_addr = inet_addr(spi->address);
+ em.em_not_src.s_addr = inet_addr(spi->local_address);
+ em.em_not_sproto = proto;
+ }
+ if (st != NULL) {
+ em.em_not_dst.s_addr = inet_addr(st->address);
+ em.em_not_sport = st->sport;
+ em.em_not_dport = st->dport;
+ em.em_not_protocol = st->protocol;
+ }
+
+ if (!kernel_xf_set(&em))
+ log_error(1, "kernel_xf_set() in kernel_notify_result()");
+}
diff --git a/sbin/ipsec/photurisd/kernel.h b/sbin/ipsec/photurisd/kernel.h
index 625b2fdb426..92704d589fc 100644
--- a/sbin/ipsec/photurisd/kernel.h
+++ b/sbin/ipsec/photurisd/kernel.h
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
* (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: kernel.h,v 1.5 1998/03/16 20:49:51 provos Exp $ */
+/* $Id: kernel.h,v 1.6 1998/05/18 21:25:33 provos Exp $ */
/*
* kernel.h:
* security paramter index creation.
@@ -66,6 +66,7 @@ int kernel_disable_spi(in_addr_t isrc, in_addr_t ismask,
char *address, u_int8_t *spi, int proto, int flags);
int kernel_delete_spi(char *address, u_int8_t *spi, int proto);
+int kernel_request_sa(struct encap_msghdr *em);
#else
#define EXTERN extern
#endif
@@ -77,10 +78,12 @@ EXTERN u_int32_t kernel_reserve_spi( char *srcaddress, int options);
EXTERN u_int32_t kernel_reserve_single_spi(char *srcaddress, u_int32_t spi,
int proto);
-EXTERN int kernel_insert_spi(struct spiob *SPI);
+EXTERN int kernel_insert_spi(struct stateob *st, struct spiob *SPI);
EXTERN int kernel_unlink_spi(struct spiob *ospi);
EXTERN int init_kernel(void);
EXTERN int kernel_get_socket(void);
EXTERN void kernel_set_socket_policy(int sd);
+EXTERN void kernel_handle_notify(int sd);
+EXTERN void kernel_notify_result(struct stateob *, struct spiob *, int);
#endif /* _KERNEL_H */
diff --git a/sbin/ipsec/photurisd/schedule.c b/sbin/ipsec/photurisd/schedule.c
index a0749558ba3..98973b5afb4 100644
--- a/sbin/ipsec/photurisd/schedule.c
+++ b/sbin/ipsec/photurisd/schedule.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Parts derived from code by Angelos D. Keromytis, kermit@forthnet.gr
@@ -35,7 +35,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: schedule.c,v 1.6 1998/03/04 11:43:49 provos Exp $";
+static char rcsid[] = "$Id: schedule.c,v 1.7 1998/05/18 21:25:35 provos Exp $";
#endif
#define _SCHEDULE_C_
@@ -233,6 +233,9 @@ schedule_process(int sock)
if (st->phase == COOKIE_REQUEST && st->resource == 0) {
log_error(0, "no anwser for cookie request to %s:%d",
st->address, st->port);
+#ifdef IPSEC
+ kernel_notify_result(st, NULL, 0);
+#endif
break;
} else if(st->phase == COOKIE_REQUEST) {
/* Try again with updated counters */
@@ -280,8 +283,8 @@ schedule_process(int sock)
}
#ifdef DEBUG
- printf("Resending packet type %d, length %d.\n",
- st->phase, st->packetlen);
+ printf("Resending packet to %s type %d, length %d.\n",
+ st->address, st->phase, st->packetlen);
#endif
tmp->tm = tm + retrans_timeout;
}
@@ -374,7 +377,7 @@ schedule_process(int sock)
spi_insert(nspi);
schedule_insert(UPDATE, st->olifetime/2, nspi->SPI, SPI_SIZE);
#ifdef IPSEC
- kernel_insert_spi(nspi);
+ kernel_insert_spi(st, nspi);
#endif
break;
default:
diff --git a/sbin/ipsec/photurisd/server.c b/sbin/ipsec/photurisd/server.c
index 4010799a6e0..718a17cd54a 100644
--- a/sbin/ipsec/photurisd/server.c
+++ b/sbin/ipsec/photurisd/server.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Parts derived from code by Angelos D. Keromytis, kermit@forthnet.gr
@@ -35,7 +35,7 @@
*/
#ifndef lint
-static char rcsid[] = "$Id: server.c,v 1.4 1998/03/16 20:49:53 provos Exp $";
+static char rcsid[] = "$Id: server.c,v 1.5 1998/05/18 21:25:36 provos Exp $";
#endif
#define _SERVER_C_
@@ -80,6 +80,8 @@ init_server(void)
struct ifconf ifconf;
char buf[1024];
+ readfds = normfds = NULL;
+
if (global_port == 0) {
#ifndef PHOTURIS_PORT
struct servent *ser;
@@ -101,6 +103,9 @@ init_server(void)
setsockopt(global_socket, SOL_SOCKET, SO_REUSEADDR, (void *)&on,
sizeof(on));
+#ifdef IPSEC
+ kernel_set_socket_policy(global_socket);
+#endif
/* get the local addresses */
@@ -138,7 +143,11 @@ init_server(void)
log_error(0, "%s is not a FIFO in init_server()", PHOTURIS_FIFO);
/* We listen on a named pipe */
+#if defined(linux) || defined(_AIX)
+ if ((sockets[0] = open(PHOTURIS_FIFO, O_RDWR| O_NONBLOCK, 0)) == -1)
+#else
if ((sockets[0] = open(PHOTURIS_FIFO, O_RDONLY | O_NONBLOCK, 0)) == -1)
+#endif
crit_error(1, "open() in init_server()");
i = 1; /* One interface already */
@@ -227,18 +236,26 @@ server(void)
{
struct sockaddr_in sin;
struct timeval timeout;
- fd_set readfds, normfds;
- int i, d;
+ int i, d, size;
setvbuf(stdout, (char *)NULL, _IOLBF, 0);
- FD_ZERO(&normfds);
+ size = howmany(sockets[num_ifs-1], NFDBITS) * sizeof(fd_mask);
+ normfds = (fd_set *)malloc(size);
+ if (normfds == NULL)
+ crit_error(1, "malloc(%d) for fd_set", size);
+
+ readfds = (fd_set *)malloc(size);
+ if (readfds == NULL)
+ crit_error(1, "malloc(%d) for fd_set", size);
+
+ memset((void *)normfds, 0, size);
for (i=0; i<num_ifs; i++)
- FD_SET(sockets[i], &normfds);
+ FD_SET(sockets[i], normfds);
while (1) {
- bcopy(&normfds, &readfds, sizeof(normfds));
+ bcopy(normfds, readfds, size);
/* Timeout till next job */
timeout.tv_usec = 0;
@@ -249,7 +266,7 @@ server(void)
#endif
if (select(sockets[num_ifs-1]+1,
- &readfds, (fd_set *) NULL, (fd_set *) NULL,
+ readfds, (fd_set *) NULL, (fd_set *) NULL,
(timeout.tv_sec == -1 ? NULL : &timeout)) < 0)
if (errno == EINTR)
continue;
@@ -257,9 +274,10 @@ server(void)
crit_error(1, "select() in server()");
for (i=0; i<num_ifs; i++) {
- if (FD_ISSET(sockets[i], &readfds)) {
- /* XXX - As long as we have no PF_KEY */
- if (addresses[i] == NULL)
+ if (FD_ISSET(sockets[i], readfds)) {
+ if (i == 1) /* PF_ENCAP NOTIFIES */
+ kernel_handle_notify(sockets[i]);
+ else if (addresses[i] == NULL)
process_api(sockets[i], global_socket);
else if (strcmp("127.0.0.1", inet_ntoa(sin.sin_addr))) {
d = sizeof(struct sockaddr_in);
diff --git a/sbin/ipsec/photurisd/server.h b/sbin/ipsec/photurisd/server.h
index 708090a008d..8991de3118b 100644
--- a/sbin/ipsec/photurisd/server.h
+++ b/sbin/ipsec/photurisd/server.h
@@ -27,7 +27,7 @@
* (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: server.h,v 1.1 1997/07/18 22:48:50 provos Exp $ */
+/* $Id: server.h,v 1.2 1998/05/18 21:25:38 provos Exp $ */
/*
* server.h:
* handling interfaces and communication
@@ -47,5 +47,6 @@ EXTERN int init_server(void);
EXTERN int server(void);
EXTERN int global_port;
EXTERN int global_socket;
+EXTERN fd_set *readfds, *normfds;
#endif /* _SERVER_H */
diff --git a/sbin/ipsec/photurisd/state.c b/sbin/ipsec/photurisd/state.c
index 7a8d63dbe81..fe60213d6b2 100644
--- a/sbin/ipsec/photurisd/state.c
+++ b/sbin/ipsec/photurisd/state.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -223,8 +223,8 @@ struct stateob *
state_find(char *address)
{
struct stateob *tmp = stateob;
- while(tmp!=NULL) {
- if(address == NULL || !strcmp(address, tmp->address))
+ while (tmp != NULL) {
+ if (address == NULL || !strcmp(address, tmp->address))
return tmp;
tmp = tmp->next;
}
diff --git a/sbin/ipsec/photurisd/state.h b/sbin/ipsec/photurisd/state.h
index dc5e7ecbd0b..302543be074 100644
--- a/sbin/ipsec/photurisd/state.h
+++ b/sbin/ipsec/photurisd/state.h
@@ -1,5 +1,5 @@
/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * Copyright 1997,1998 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
* (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: state.h,v 1.6 1998/05/13 10:01:12 niklas Exp $ */
+/* $Id: state.h,v 1.7 1998/05/18 21:25:41 provos Exp $ */
/*
* state.h:
* state object
@@ -47,13 +47,14 @@
#include "packets.h"
/* Possible values of flags */
-#define IPSEC_OPT_ENC 0x001 /* Negotiate encryption */
-#define IPSEC_OPT_AUTH 0x002 /* Negotiate authentication */
-#define IPSEC_OPT_TUNNEL 0x004 /* Negotiate tunnel mode */
-#define IPSEC_OPT_REPLAY 0x100 /* Encryption with replay protection */
-#define IPSEC_OPT_ENC_AUTH 0x200 /* Encryption with authentication */
-#define IPSEC_OPT_XOR 0x400 /* Encryption with XOR */
-#define IPSEC_OPT_COMPRESS 0x800 /* Encryption with COMPRESS */
+#define IPSEC_OPT_ENC 0x0001 /* Negotiate encryption */
+#define IPSEC_OPT_AUTH 0x0002 /* Negotiate authentication */
+#define IPSEC_OPT_TUNNEL 0x0004 /* Negotiate tunne mode */
+#define IPSEC_OPT_REPLAY 0x0100 /* Encryption with replay protection */
+#define IPSEC_OPT_ENC_AUTH 0x0200 /* Encryption with authentication */
+#define IPSEC_OPT_XOR 0x0400 /* Encryption with XOR */
+#define IPSEC_OPT_COMPRESS 0x0800 /* Encryption with COMPRESS */
+#define IPSEC_NOTIFY 0x1000 /* State created by kernel notify */
struct stateob {
struct stateob *next; /* Linked list */
@@ -67,7 +68,9 @@ struct stateob {
in_addr_t idst, idmask; /* Accept destination for tunnel */
char address[16]; /* Remote address */
- u_int16_t port; /* Remote port */
+ u_int16_t port; /* Remote port for Photuris daemon */
+ u_int16_t sport, dport; /* Only used by notify at the moment */
+ u_int8_t protocol; /* to pass back to the kernel */
u_int8_t icookie[COOKIE_SIZE]; /* Initator cookie */
u_int8_t rcookie[COOKIE_SIZE]; /* Responder cookie */