-/* $OpenBSD: monitor_wrap.c,v 1.63 2008/07/10 18:08:11 markus Exp $ */
+/* $OpenBSD: monitor_wrap.c,v 1.68 2009/06/22 05:39:28 dtucker Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* Copyright 2002 Markus Friedl <markus@openbsd.org>
#include <openssl/bn.h>
#include <openssl/dh.h>
+#include <openssl/evp.h>
#include "openbsd-compat/sys-queue.h"
#include "xmalloc.h"
#include "atomicio.h"
#include "monitor_fdpass.h"
#include "misc.h"
-#include "servconf.h"
+#include "schnorr.h"
+#include "jpake.h"
#include "channels.h"
#include "session.h"
#include "servconf.h"
+#include "roaming.h"
/* Imports */
extern int compat20;
-extern Newkeys *newkeys[];
extern z_stream incoming_stream;
extern z_stream outgoing_stream;
extern struct monitor *pmonitor;
-extern Buffer input, output;
extern Buffer loginmsg;
extern ServerOptions options;
Enc *enc;
Mac *mac;
Comp *comp;
- Newkeys *newkey = newkeys[mode];
+ Newkeys *newkey = (Newkeys *)packet_get_newkeys(mode);
debug3("%s: converting %p", __func__, newkey);
void
mm_send_keystate(struct monitor *monitor)
{
- Buffer m;
+ Buffer m, *input, *output;
u_char *blob, *p;
u_int bloblen, plen;
u_int32_t seqnr, packets;
}
debug3("%s: Sending new keys: %p %p",
- __func__, newkeys[MODE_OUT], newkeys[MODE_IN]);
+ __func__, packet_get_newkeys(MODE_OUT),
+ packet_get_newkeys(MODE_IN));
/* Keys from Kex */
if (!mm_newkeys_to_blob(MODE_OUT, &blob, &bloblen))
buffer_put_string(&m, &incoming_stream, sizeof(incoming_stream));
/* Network I/O buffers */
- buffer_put_string(&m, buffer_ptr(&input), buffer_len(&input));
- buffer_put_string(&m, buffer_ptr(&output), buffer_len(&output));
+ input = (Buffer *)packet_get_input();
+ output = (Buffer *)packet_get_output();
+ buffer_put_string(&m, buffer_ptr(input), buffer_len(input));
+ buffer_put_string(&m, buffer_ptr(output), buffer_len(output));
+
+ /* Roaming */
+ if (compat20) {
+ buffer_put_int64(&m, get_sent_bytes());
+ buffer_put_int64(&m, get_recv_bytes());
+ }
mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, &m);
debug3("%s: Finished sending state", __func__);
}
int
-mm_ssh_gssapi_userok(char *user)
+mm_ssh_gssapi_userok(char *user, struct passwd *pw)
{
Buffer m;
int authenticated = 0;
debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not ");
return (authenticated);
}
+
+char *
+mm_ssh_gssapi_last_error(Gssctxt *ctx, OM_uint32 *major, OM_uint32 *minor) {
+ Buffer m;
+ OM_uint32 maj,min;
+ char *errstr;
+
+ buffer_init(&m);
+
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSERR, &m);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSERR, &m);
+
+ maj = buffer_get_int(&m);
+ min = buffer_get_int(&m);
+
+ if (major) *major=maj;
+ if (minor) *minor=min;
+
+ errstr=buffer_get_string(&m,NULL);
+
+ buffer_free(&m);
+
+ return(errstr);
+}
+
+OM_uint32
+mm_gss_indicate_mechs(OM_uint32 *minor_status, gss_OID_set *mech_set)
+{
+ Buffer m;
+ OM_uint32 major,minor;
+ int count;
+ gss_OID_desc oid;
+ u_int length;
+
+ buffer_init(&m);
+
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSMECHS, &m);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSMECHS,
+ &m);
+ major=buffer_get_int(&m);
+ count=buffer_get_int(&m);
+
+ gss_create_empty_oid_set(&minor,mech_set);
+ while(count-->0) {
+ oid.elements=buffer_get_string(&m,&length);
+ oid.length=length;
+ gss_add_oid_set_member(&minor,&oid,mech_set);
+ }
+
+ buffer_free(&m);
+
+ return(major);
+}
+
+int
+mm_ssh_gssapi_localname(char **lname)
+{
+ Buffer m;
+
+ buffer_init(&m);
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSLOCALNAME, &m);
+
+ debug3("%s: waiting for MONITOR_ANS_GSSLOCALNAME", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSLOCALNAME,
+ &m);
+
+ *lname = buffer_get_string(&m, NULL);
+
+ buffer_free(&m);
+ if (lname[0] == '\0') {
+ debug3("%s: gssapi identity mapping failed", __func__);
+ } else {
+ debug3("%s: gssapi identity mapped to %s", __func__, *lname);
+ }
+
+ return(0);
+}
+
+OM_uint32
+mm_ssh_gssapi_sign(Gssctxt *ctx, gss_buffer_desc *data, gss_buffer_desc *hash)
+{
+ Buffer m;
+ OM_uint32 major;
+ u_int len;
+
+ buffer_init(&m);
+ buffer_put_string(&m, data->value, data->length);
+
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSIGN, &m);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSIGN, &m);
+
+ major = buffer_get_int(&m);
+ hash->value = buffer_get_string(&m, &len);
+ hash->length = len;
+
+ buffer_free(&m);
+
+ return(major);
+}
+
+int
+mm_ssh_gssapi_update_creds(ssh_gssapi_ccache *store)
+{
+ Buffer m;
+ int ok;
+
+ buffer_init(&m);
+
+ buffer_put_cstring(&m, store->filename ? store->filename : "");
+ buffer_put_cstring(&m, store->envvar ? store->envvar : "");
+ buffer_put_cstring(&m, store->envval ? store->envval : "");
+
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUPCREDS, &m);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSUPCREDS, &m);
+
+ ok = buffer_get_int(&m);
+
+ buffer_free(&m);
+
+ return (ok);
+}
+
#endif /* GSSAPI */
+
+#ifdef JPAKE
+void
+mm_auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
+ char **hash_scheme, char **salt)
+{
+ Buffer m;
+
+ debug3("%s entering", __func__);
+
+ buffer_init(&m);
+ mm_request_send(pmonitor->m_recvfd,
+ MONITOR_REQ_JPAKE_GET_PWDATA, &m);
+
+ debug3("%s: waiting for MONITOR_ANS_JPAKE_GET_PWDATA", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd,
+ MONITOR_ANS_JPAKE_GET_PWDATA, &m);
+
+ *hash_scheme = buffer_get_string(&m, NULL);
+ *salt = buffer_get_string(&m, NULL);
+
+ buffer_free(&m);
+}
+
+void
+mm_jpake_step1(struct modp_group *grp,
+ u_char **id, u_int *id_len,
+ BIGNUM **priv1, BIGNUM **priv2, BIGNUM **g_priv1, BIGNUM **g_priv2,
+ u_char **priv1_proof, u_int *priv1_proof_len,
+ u_char **priv2_proof, u_int *priv2_proof_len)
+{
+ Buffer m;
+
+ debug3("%s entering", __func__);
+
+ buffer_init(&m);
+ mm_request_send(pmonitor->m_recvfd,
+ MONITOR_REQ_JPAKE_STEP1, &m);
+
+ debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP1", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd,
+ MONITOR_ANS_JPAKE_STEP1, &m);
+
+ if ((*priv1 = BN_new()) == NULL ||
+ (*priv2 = BN_new()) == NULL ||
+ (*g_priv1 = BN_new()) == NULL ||
+ (*g_priv2 = BN_new()) == NULL)
+ fatal("%s: BN_new", __func__);
+
+ *id = buffer_get_string(&m, id_len);
+ /* priv1 and priv2 are, well, private */
+ buffer_get_bignum2(&m, *g_priv1);
+ buffer_get_bignum2(&m, *g_priv2);
+ *priv1_proof = buffer_get_string(&m, priv1_proof_len);
+ *priv2_proof = buffer_get_string(&m, priv2_proof_len);
+
+ buffer_free(&m);
+}
+
+void
+mm_jpake_step2(struct modp_group *grp, BIGNUM *s,
+ BIGNUM *mypub1, BIGNUM *theirpub1, BIGNUM *theirpub2, BIGNUM *mypriv2,
+ const u_char *theirid, u_int theirid_len,
+ const u_char *myid, u_int myid_len,
+ const u_char *theirpub1_proof, u_int theirpub1_proof_len,
+ const u_char *theirpub2_proof, u_int theirpub2_proof_len,
+ BIGNUM **newpub,
+ u_char **newpub_exponent_proof, u_int *newpub_exponent_proof_len)
+{
+ Buffer m;
+
+ debug3("%s entering", __func__);
+
+ buffer_init(&m);
+ /* monitor already has all bignums except theirpub1, theirpub2 */
+ buffer_put_bignum2(&m, theirpub1);
+ buffer_put_bignum2(&m, theirpub2);
+ /* monitor already knows our id */
+ buffer_put_string(&m, theirid, theirid_len);
+ buffer_put_string(&m, theirpub1_proof, theirpub1_proof_len);
+ buffer_put_string(&m, theirpub2_proof, theirpub2_proof_len);
+
+ mm_request_send(pmonitor->m_recvfd,
+ MONITOR_REQ_JPAKE_STEP2, &m);
+
+ debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP2", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd,
+ MONITOR_ANS_JPAKE_STEP2, &m);
+
+ if ((*newpub = BN_new()) == NULL)
+ fatal("%s: BN_new", __func__);
+
+ buffer_get_bignum2(&m, *newpub);
+ *newpub_exponent_proof = buffer_get_string(&m,
+ newpub_exponent_proof_len);
+
+ buffer_free(&m);
+}
+
+void
+mm_jpake_key_confirm(struct modp_group *grp, BIGNUM *s, BIGNUM *step2_val,
+ BIGNUM *mypriv2, BIGNUM *mypub1, BIGNUM *mypub2,
+ BIGNUM *theirpub1, BIGNUM *theirpub2,
+ const u_char *my_id, u_int my_id_len,
+ const u_char *their_id, u_int their_id_len,
+ const u_char *sess_id, u_int sess_id_len,
+ const u_char *theirpriv2_s_proof, u_int theirpriv2_s_proof_len,
+ BIGNUM **k,
+ u_char **confirm_hash, u_int *confirm_hash_len)
+{
+ Buffer m;
+
+ debug3("%s entering", __func__);
+
+ buffer_init(&m);
+ /* monitor already has all bignums except step2_val */
+ buffer_put_bignum2(&m, step2_val);
+ /* monitor already knows all the ids */
+ buffer_put_string(&m, theirpriv2_s_proof, theirpriv2_s_proof_len);
+
+ mm_request_send(pmonitor->m_recvfd,
+ MONITOR_REQ_JPAKE_KEY_CONFIRM, &m);
+
+ debug3("%s: waiting for MONITOR_ANS_JPAKE_KEY_CONFIRM", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd,
+ MONITOR_ANS_JPAKE_KEY_CONFIRM, &m);
+
+ /* 'k' is sensitive and stays in the monitor */
+ *confirm_hash = buffer_get_string(&m, confirm_hash_len);
+
+ buffer_free(&m);
+}
+
+int
+mm_jpake_check_confirm(const BIGNUM *k,
+ const u_char *peer_id, u_int peer_id_len,
+ const u_char *sess_id, u_int sess_id_len,
+ const u_char *peer_confirm_hash, u_int peer_confirm_hash_len)
+{
+ Buffer m;
+ int success = 0;
+
+ debug3("%s entering", __func__);
+
+ buffer_init(&m);
+ /* k is dummy in slave, ignored */
+ /* monitor knows all the ids */
+ buffer_put_string(&m, peer_confirm_hash, peer_confirm_hash_len);
+ mm_request_send(pmonitor->m_recvfd,
+ MONITOR_REQ_JPAKE_CHECK_CONFIRM, &m);
+
+ debug3("%s: waiting for MONITOR_ANS_JPAKE_CHECK_CONFIRM", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd,
+ MONITOR_ANS_JPAKE_CHECK_CONFIRM, &m);
+
+ success = buffer_get_int(&m);
+ buffer_free(&m);
+
+ debug3("%s: success = %d", __func__, success);
+ return success;
+}
+#endif /* JPAKE */
andersk / gssapi-openssh.git / blobdiff