import openssh 5.3

This commit is contained in:
christos 2009-12-27 01:06:47 +00:00
parent db926c27ec
commit 55c3587522
45 changed files with 1530 additions and 859 deletions

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@ -1,5 +1,5 @@
/* $NetBSD: auth2-jpake.c,v 1.1.1.1 2009/06/07 22:19:03 christos Exp $ */
/* $OpenBSD: auth2-jpake.c,v 1.2 2008/11/07 23:34:48 dtucker Exp $ */
/* $NetBSD: auth2-jpake.c,v 1.1.1.2 2009/12/27 01:06:49 christos Exp $ */
/* $OpenBSD: auth2-jpake.c,v 1.3 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright (c) 2008 Damien Miller. All rights reserved.
*
@ -56,6 +56,7 @@
#endif
#include "monitor_wrap.h"
#include "schnorr.h"
#include "jpake.h"
/*
@ -360,7 +361,7 @@ auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
}
/*
* Being authentication attempt.
* Begin authentication attempt.
* Note, sets authctxt->postponed while in subprotocol
*/
static int

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@ -1,5 +1,5 @@
/* $NetBSD: auth2.c,v 1.1.1.1 2009/06/07 22:19:01 christos Exp $ */
/* $OpenBSD: auth2.c,v 1.120 2008/11/04 08:22:12 djm Exp $ */
/* $NetBSD: auth2.c,v 1.1.1.2 2009/12/27 01:06:47 christos Exp $ */
/* $OpenBSD: auth2.c,v 1.121 2009/06/22 05:39:28 dtucker Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
@ -31,8 +31,8 @@
#include <fcntl.h>
#include <pwd.h>
#include <string.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include "atomicio.h"

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@ -1,5 +1,5 @@
/* $NetBSD: canohost.c,v 1.1.1.1 2009/06/07 22:19:04 christos Exp $ */
/* $OpenBSD: canohost.c,v 1.64 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: canohost.c,v 1.1.1.2 2009/12/27 01:06:50 christos Exp $ */
/* $OpenBSD: canohost.c,v 1.65 2009/05/27 06:31:25 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -33,6 +33,8 @@
#include "misc.h"
static void check_ip_options(int, char *);
static char *canonical_host_ip = NULL;
static int cached_port = -1;
/*
* Return the canonical name of the host at the other end of the socket. The
@ -263,6 +265,16 @@ get_local_name(int sock)
return get_socket_address(sock, 0, NI_NAMEREQD);
}
void
clear_cached_addr(void)
{
if (canonical_host_ip != NULL) {
xfree(canonical_host_ip);
canonical_host_ip = NULL;
}
cached_port = -1;
}
/*
* Returns the IP-address of the remote host as a string. The returned
* string must not be freed.
@ -271,8 +283,6 @@ get_local_name(int sock)
const char *
get_remote_ipaddr(void)
{
static char *canonical_host_ip = NULL;
/* Check whether we have cached the ipaddr. */
if (canonical_host_ip == NULL) {
if (packet_connection_is_on_socket()) {
@ -356,13 +366,11 @@ get_peer_port(int sock)
int
get_remote_port(void)
{
static int port = -1;
/* Cache to avoid getpeername() on a dead connection */
if (port == -1)
port = get_port(0);
if (cached_port == -1)
cached_port = get_port(0);
return port;
return cached_port;
}
int

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@ -1,5 +1,5 @@
/* $NetBSD: canohost.h,v 1.1.1.1 2009/06/07 22:19:04 christos Exp $ */
/* $OpenBSD: canohost.h,v 1.10 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: canohost.h,v 1.1.1.2 2009/12/27 01:06:50 christos Exp $ */
/* $OpenBSD: canohost.h,v 1.11 2009/05/27 06:31:25 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -25,4 +25,4 @@ char *get_local_name(int);
int get_remote_port(void);
int get_local_port(void);
int get_sock_port(int, int);
void clear_cached_addr(void);

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@ -1,5 +1,5 @@
/* $NetBSD: channels.c,v 1.1.1.1 2009/06/07 22:19:06 christos Exp $ */
/* $OpenBSD: channels.c,v 1.295 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: channels.c,v 1.1.1.2 2009/12/27 01:06:52 christos Exp $ */
/* $OpenBSD: channels.c,v 1.296 2009/05/25 06:48:00 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -2410,7 +2410,7 @@ channel_input_status_confirm(int type, u_int32_t seq, void *ctxt)
int id;
/* Reset keepalive timeout */
keep_alive_timeouts = 0;
packet_set_alive_timeouts(0);
id = packet_get_int();
packet_check_eom();

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@ -1,5 +1,5 @@
/* $NetBSD: clientloop.c,v 1.1.1.1 2009/06/07 22:19:07 christos Exp $ */
/* $OpenBSD: clientloop.c,v 1.209 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: clientloop.c,v 1.1.1.2 2009/12/27 01:06:53 christos Exp $ */
/* $OpenBSD: clientloop.c,v 1.213 2009/07/05 19:28:33 stevesk Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -102,6 +102,7 @@
#include "misc.h"
#include "match.h"
#include "msg.h"
#include "roaming.h"
/* import options */
extern Options options;
@ -484,13 +485,13 @@ client_global_request_reply(int type, u_int32_t seq, void *ctxt)
xfree(gc);
}
keep_alive_timeouts = 0;
packet_set_alive_timeouts(0);
}
static void
server_alive_check(void)
{
if (++keep_alive_timeouts > options.server_alive_count_max) {
if (packet_inc_alive_timeouts() > options.server_alive_count_max) {
logit("Timeout, server not responding.");
cleanup_exit(255);
}
@ -627,7 +628,7 @@ client_suspend_self(Buffer *bin, Buffer *bout, Buffer *berr)
static void
client_process_net_input(fd_set *readset)
{
int len;
int len, cont = 0;
char buf[8192];
/*
@ -636,8 +637,8 @@ client_process_net_input(fd_set *readset)
*/
if (FD_ISSET(connection_in, readset)) {
/* Read as much as possible. */
len = read(connection_in, buf, sizeof(buf));
if (len == 0) {
len = roaming_read(connection_in, buf, sizeof(buf), &cont);
if (len == 0 && cont == 0) {
/*
* Received EOF. The remote host has closed the
* connection.
@ -1465,6 +1466,14 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
/* Stop watching for window change. */
signal(SIGWINCH, SIG_DFL);
if (compat20) {
packet_start(SSH2_MSG_DISCONNECT);
packet_put_int(SSH2_DISCONNECT_BY_APPLICATION);
packet_put_cstring("disconnected by user");
packet_send();
packet_write_wait();
}
channel_free_all();
if (have_pty)

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@ -1,5 +1,5 @@
/* $NetBSD: gss-genr.c,v 1.1.1.1 2009/06/07 22:19:08 christos Exp $ */
/* $OpenBSD: gss-genr.c,v 1.19 2007/06/12 11:56:15 dtucker Exp $ */
/* $NetBSD: gss-genr.c,v 1.1.1.2 2009/12/27 01:06:55 christos Exp $ */
/* $OpenBSD: gss-genr.c,v 1.20 2009/06/22 05:39:28 dtucker Exp $ */
/*
* Copyright (c) 2001-2007 Simon Wilkinson. All rights reserved.
@ -29,8 +29,8 @@
#include <sys/param.h>
#include <string.h>
#include <stdarg.h>
#include <string.h>
#include "xmalloc.h"
#include "buffer.h"

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@ -1,5 +1,5 @@
/* $NetBSD: jpake.c,v 1.1.1.1 2009/06/07 22:19:09 christos Exp $ */
/* $OpenBSD: jpake.c,v 1.1 2008/11/04 08:22:12 djm Exp $ */
/* $NetBSD: jpake.c,v 1.1.1.2 2009/12/27 01:06:55 christos Exp $ */
/* $OpenBSD: jpake.c,v 1.2 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright (c) 2008 Damien Miller. All rights reserved.
*
@ -46,6 +46,7 @@
#include "log.h"
#include "jpake.h"
#include "schnorr.h"
#ifdef JPAKE
@ -59,165 +60,10 @@
"98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB" \
"9ED529077096966D670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF"
struct jpake_group *
struct modp_group *
jpake_default_group(void)
{
struct jpake_group *ret;
ret = xmalloc(sizeof(*ret));
ret->p = ret->q = ret->g = NULL;
if (BN_hex2bn(&ret->p, JPAKE_GROUP_P) == 0 ||
BN_hex2bn(&ret->g, JPAKE_GROUP_G) == 0)
fatal("%s: BN_hex2bn", __func__);
/* Subgroup order is p/2 (p is a safe prime) */
if ((ret->q = BN_new()) == NULL)
fatal("%s: BN_new", __func__);
if (BN_rshift1(ret->q, ret->p) != 1)
fatal("%s: BN_rshift1", __func__);
return ret;
}
/*
* Generate uniformly distributed random number in range (1, high).
* Return number on success, NULL on failure.
*/
BIGNUM *
bn_rand_range_gt_one(const BIGNUM *high)
{
BIGNUM *r, *tmp;
int success = -1;
if ((tmp = BN_new()) == NULL) {
error("%s: BN_new", __func__);
return NULL;
}
if ((r = BN_new()) == NULL) {
error("%s: BN_new failed", __func__);
goto out;
}
if (BN_set_word(tmp, 2) != 1) {
error("%s: BN_set_word(tmp, 2)", __func__);
goto out;
}
if (BN_sub(tmp, high, tmp) == -1) {
error("%s: BN_sub failed (tmp = high - 2)", __func__);
goto out;
}
if (BN_rand_range(r, tmp) == -1) {
error("%s: BN_rand_range failed", __func__);
goto out;
}
if (BN_set_word(tmp, 2) != 1) {
error("%s: BN_set_word(tmp, 2)", __func__);
goto out;
}
if (BN_add(r, r, tmp) == -1) {
error("%s: BN_add failed (r = r + 2)", __func__);
goto out;
}
success = 0;
out:
BN_clear_free(tmp);
if (success == 0)
return r;
BN_clear_free(r);
return NULL;
}
/*
* Hash contents of buffer 'b' with hash 'md'. Returns 0 on success,
* with digest via 'digestp' (caller to free) and length via 'lenp'.
* Returns -1 on failure.
*/
int
hash_buffer(const u_char *buf, u_int len, const EVP_MD *md,
u_char **digestp, u_int *lenp)
{
u_char digest[EVP_MAX_MD_SIZE];
u_int digest_len;
EVP_MD_CTX evp_md_ctx;
int success = -1;
EVP_MD_CTX_init(&evp_md_ctx);
if (EVP_DigestInit_ex(&evp_md_ctx, md, NULL) != 1) {
error("%s: EVP_DigestInit_ex", __func__);
goto out;
}
if (EVP_DigestUpdate(&evp_md_ctx, buf, len) != 1) {
error("%s: EVP_DigestUpdate", __func__);
goto out;
}
if (EVP_DigestFinal_ex(&evp_md_ctx, digest, &digest_len) != 1) {
error("%s: EVP_DigestFinal_ex", __func__);
goto out;
}
*digestp = xmalloc(digest_len);
*lenp = digest_len;
memcpy(*digestp, digest, *lenp);
success = 0;
out:
EVP_MD_CTX_cleanup(&evp_md_ctx);
bzero(digest, sizeof(digest));
digest_len = 0;
return success;
}
/* print formatted string followed by bignum */
void
jpake_debug3_bn(const BIGNUM *n, const char *fmt, ...)
{
char *out, *h;
va_list args;
out = NULL;
va_start(args, fmt);
vasprintf(&out, fmt, args);
va_end(args);
if (out == NULL)
fatal("%s: vasprintf failed", __func__);
if (n == NULL)
debug3("%s(null)", out);
else {
h = BN_bn2hex(n);
debug3("%s0x%s", out, h);
free(h);
}
free(out);
}
/* print formatted string followed by buffer contents in hex */
void
jpake_debug3_buf(const u_char *buf, u_int len, const char *fmt, ...)
{
char *out, h[65];
u_int i, j;
va_list args;
out = NULL;
va_start(args, fmt);
vasprintf(&out, fmt, args);
va_end(args);
if (out == NULL)
fatal("%s: vasprintf failed", __func__);
debug3("%s length %u%s", out, len, buf == NULL ? " (null)" : "");
free(out);
if (buf == NULL)
return;
*h = '\0';
for (i = j = 0; i < len; i++) {
snprintf(h + j, sizeof(h) - j, "%02x", buf[i]);
j += 2;
if (j >= sizeof(h) - 1 || i == len - 1) {
debug3(" %s", h);
*h = '\0';
j = 0;
}
}
return modp_group_from_g_and_safe_p(JPAKE_GROUP_G, JPAKE_GROUP_P);
}
struct jpake_ctx *
@ -242,7 +88,6 @@ jpake_new(void)
return ret;
}
void
jpake_free(struct jpake_ctx *pctx)
{
@ -343,7 +188,7 @@ jpake_dump(struct jpake_ctx *pctx, const char *fmt, ...)
/* Shared parts of step 1 exchange calculation */
void
jpake_step1(struct jpake_group *grp,
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,
@ -382,11 +227,11 @@ jpake_step1(struct jpake_group *grp,
fatal("%s: BN_mod_exp", __func__);
/* Generate proofs for holding x1/x3 and x2/x4 */
if (schnorr_sign(grp->p, grp->q, grp->g,
if (schnorr_sign_buf(grp->p, grp->q, grp->g,
*priv1, *g_priv1, *id, *id_len,
priv1_proof, priv1_proof_len) != 0)
fatal("%s: schnorr_sign", __func__);
if (schnorr_sign(grp->p, grp->q, grp->g,
if (schnorr_sign_buf(grp->p, grp->q, grp->g,
*priv2, *g_priv2, *id, *id_len,
priv2_proof, priv2_proof_len) != 0)
fatal("%s: schnorr_sign", __func__);
@ -396,7 +241,7 @@ jpake_step1(struct jpake_group *grp,
/* Shared parts of step 2 exchange calculation */
void
jpake_step2(struct jpake_group *grp, BIGNUM *s,
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,
@ -414,10 +259,10 @@ jpake_step2(struct jpake_group *grp, BIGNUM *s,
if (BN_cmp(theirpub2, BN_value_one()) <= 0)
fatal("%s: theirpub2 <= 1", __func__);
if (schnorr_verify(grp->p, grp->q, grp->g, theirpub1,
if (schnorr_verify_buf(grp->p, grp->q, grp->g, theirpub1,
theirid, theirid_len, theirpub1_proof, theirpub1_proof_len) != 1)
fatal("%s: schnorr_verify theirpub1 failed", __func__);
if (schnorr_verify(grp->p, grp->q, grp->g, theirpub2,
if (schnorr_verify_buf(grp->p, grp->q, grp->g, theirpub2,
theirid, theirid_len, theirpub2_proof, theirpub2_proof_len) != 1)
fatal("%s: schnorr_verify theirpub2 failed", __func__);
@ -458,7 +303,7 @@ jpake_step2(struct jpake_group *grp, BIGNUM *s,
JPAKE_DEBUG_BN((exponent, "%s: exponent = ", __func__));
/* Note the generator here is 'tmp', not g */
if (schnorr_sign(grp->p, grp->q, tmp, exponent, *newpub,
if (schnorr_sign_buf(grp->p, grp->q, tmp, exponent, *newpub,
myid, myid_len,
newpub_exponent_proof, newpub_exponent_proof_len) != 0)
fatal("%s: schnorr_sign newpub", __func__);
@ -495,7 +340,7 @@ jpake_confirm_hash(const BIGNUM *k,
/* Shared parts of key derivation and confirmation calculation */
void
jpake_key_confirm(struct jpake_group *grp, BIGNUM *s, BIGNUM *step2_val,
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,
@ -530,7 +375,7 @@ jpake_key_confirm(struct jpake_group *grp, BIGNUM *s, BIGNUM *step2_val,
JPAKE_DEBUG_BN((tmp, "%s: tmp = ", __func__));
if (schnorr_verify(grp->p, grp->q, tmp, step2_val,
if (schnorr_verify_buf(grp->p, grp->q, tmp, step2_val,
their_id, their_id_len,
theirpriv2_s_proof, theirpriv2_s_proof_len) != 1)
fatal("%s: schnorr_verify theirpriv2_s_proof failed", __func__);

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@ -1,5 +1,5 @@
/* $NetBSD: jpake.h,v 1.1.1.1 2009/06/07 22:19:09 christos Exp $ */
/* $OpenBSD: jpake.h,v 1.1 2008/11/04 08:22:13 djm Exp $ */
/* $NetBSD: jpake.h,v 1.1.1.2 2009/12/27 01:06:55 christos Exp $ */
/* $OpenBSD: jpake.h,v 1.2 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright (c) 2008 Damien Miller. All rights reserved.
*
@ -29,20 +29,16 @@
# define JPAKE_DEBUG_BUF(a)
# define JPAKE_DEBUG_CTX(a)
#else
# define JPAKE_DEBUG_BN(a) jpake_debug3_bn a
# define JPAKE_DEBUG_BUF(a) jpake_debug3_buf a
# define JPAKE_DEBUG_BN(a) debug3_bn a
# define JPAKE_DEBUG_BUF(a) debug3_buf a
# define JPAKE_DEBUG_CTX(a) jpake_dump a
#endif /* SCHNORR_DEBUG */
struct jpake_group {
BIGNUM *p, *q, *g;
};
#endif /* JPAKE_DEBUG */
#define KZP_ID_LEN 16 /* Length of client and server IDs */
struct jpake_ctx {
/* Parameters */
struct jpake_group *grp;
struct modp_group *grp;
/* Private values shared by client and server */
BIGNUM *s; /* Secret (salted, crypted password) */
@ -84,26 +80,18 @@ struct jpake_ctx {
};
/* jpake.c */
struct jpake_group *jpake_default_group(void);
BIGNUM *bn_rand_range_gt_one(const BIGNUM *high);
int hash_buffer(const u_char *, u_int, const EVP_MD *, u_char **, u_int *);
void jpake_debug3_bn(const BIGNUM *, const char *, ...)
__attribute__((__nonnull__ (2)))
__attribute__((format(printf, 2, 3)));
void jpake_debug3_buf(const u_char *, u_int, const char *, ...)
__attribute__((__nonnull__ (3)))
__attribute__((format(printf, 3, 4)));
struct modp_group *jpake_default_group(void);
void jpake_dump(struct jpake_ctx *, const char *, ...)
__attribute__((__nonnull__ (2)))
__attribute__((format(printf, 2, 3)));
struct jpake_ctx *jpake_new(void);
void jpake_free(struct jpake_ctx *);
void jpake_step1(struct jpake_group *, u_char **, u_int *,
void jpake_step1(struct modp_group *, u_char **, u_int *,
BIGNUM **, BIGNUM **, BIGNUM **, BIGNUM **,
u_char **, u_int *, u_char **, u_int *);
void jpake_step2(struct jpake_group *, BIGNUM *,
void jpake_step2(struct modp_group *, BIGNUM *,
BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
const u_char *, u_int, const u_char *, u_int,
const u_char *, u_int, const u_char *, u_int,
@ -114,7 +102,7 @@ void jpake_confirm_hash(const BIGNUM *,
const u_char *, u_int,
u_char **, u_int *);
void jpake_key_confirm(struct jpake_group *, BIGNUM *, BIGNUM *,
void jpake_key_confirm(struct modp_group *, BIGNUM *, BIGNUM *,
BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
const u_char *, u_int, const u_char *, u_int,
const u_char *, u_int, const u_char *, u_int,
@ -123,13 +111,5 @@ void jpake_key_confirm(struct jpake_group *, BIGNUM *, BIGNUM *,
int jpake_check_confirm(const BIGNUM *, const u_char *, u_int,
const u_char *, u_int, const u_char *, u_int);
/* schnorr.c */
int schnorr_sign(const BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, const BIGNUM *, const u_char *, u_int ,
u_char **, u_int *);
int schnorr_verify(const BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, const u_char *, u_int,
const u_char *, u_int);
#endif /* JPAKE_H */

View File

@ -1,5 +1,5 @@
/* $NetBSD: kex.c,v 1.1.1.1 2009/06/07 22:19:09 christos Exp $ */
/* $OpenBSD: kex.c,v 1.80 2008/09/06 12:24:13 djm Exp $ */
/* $NetBSD: kex.c,v 1.1.1.2 2009/12/27 01:06:55 christos Exp $ */
/* $OpenBSD: kex.c,v 1.81 2009/05/27 06:34:36 andreas Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
*
@ -47,8 +47,6 @@
#include "dispatch.h"
#include "monitor.h"
#define KEX_COOKIE_LEN 16
/* prototype */
static void kex_kexinit_finish(Kex *);
static void kex_choose_conf(Kex *);

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@ -1,5 +1,5 @@
/* $NetBSD: kex.h,v 1.1.1.1 2009/06/07 22:19:09 christos Exp $ */
/* $OpenBSD: kex.h,v 1.46 2007/06/07 19:37:34 pvalchev Exp $ */
/* $NetBSD: kex.h,v 1.1.1.2 2009/12/27 01:06:55 christos Exp $ */
/* $OpenBSD: kex.h,v 1.47 2009/05/27 06:34:36 andreas Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
@ -30,6 +30,8 @@
#include <openssl/evp.h>
#include <openssl/hmac.h>
#define KEX_COOKIE_LEN 16
#define KEX_DH1 "diffie-hellman-group1-sha1"
#define KEX_DH14 "diffie-hellman-group14-sha1"
#define KEX_DHGEX_SHA1 "diffie-hellman-group-exchange-sha1"

View File

@ -1,5 +1,5 @@
/* $NetBSD: kexdhs.c,v 1.1.1.1 2009/06/07 22:19:09 christos Exp $ */
/* $OpenBSD: kexdhs.c,v 1.9 2006/11/06 21:25:28 markus Exp $ */
/* $NetBSD: kexdhs.c,v 1.1.1.2 2009/12/27 01:06:56 christos Exp $ */
/* $OpenBSD: kexdhs.c,v 1.10 2009/06/21 07:37:15 dtucker Exp $ */
/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
@ -135,7 +135,9 @@ kexdh_server(Kex *kex)
}
/* sign H */
PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, hashlen));
if (PRIVSEP(key_sign(server_host_key, &signature, &slen, hash,
hashlen)) < 0)
fatal("kexdh_server: key_sign failed");
/* destroy_sensitive_data(); */

View File

@ -1,5 +1,5 @@
/* $NetBSD: kexgexs.c,v 1.1.1.1 2009/06/07 22:19:10 christos Exp $ */
/* $OpenBSD: kexgexs.c,v 1.11 2009/01/01 21:17:36 djm Exp $ */
/* $NetBSD: kexgexs.c,v 1.1.1.2 2009/12/27 01:06:56 christos Exp $ */
/* $OpenBSD: kexgexs.c,v 1.12 2009/06/21 07:37:15 dtucker Exp $ */
/*
* Copyright (c) 2000 Niels Provos. All rights reserved.
* Copyright (c) 2001 Markus Friedl. All rights reserved.
@ -177,7 +177,9 @@ kexgex_server(Kex *kex)
}
/* sign H */
PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, hashlen));
if (PRIVSEP(key_sign(server_host_key, &signature, &slen, hash,
hashlen)) < 0)
fatal("kexgex_server: key_sign failed");
/* destroy_sensitive_data(); */

View File

@ -1,5 +1,5 @@
/* $NetBSD: monitor.c,v 1.1.1.1 2009/06/07 22:19:12 christos Exp $ */
/* $OpenBSD: monitor.c,v 1.101 2009/02/12 03:26:22 djm Exp $ */
/* $NetBSD: monitor.c,v 1.1.1.2 2009/12/27 01:06:58 christos Exp $ */
/* $OpenBSD: monitor.c,v 1.104 2009/06/12 20:43:22 andreas Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* Copyright 2002 Markus Friedl <markus@openbsd.org>
@ -74,6 +74,7 @@
#include "compat.h"
#include "ssh2.h"
#include "jpake.h"
#include "roaming.h"
#ifdef GSSAPI
static Gssctxt *gsscontext = NULL;
@ -86,7 +87,6 @@ extern Newkeys *current_keys[];
extern z_stream incoming_stream;
extern z_stream outgoing_stream;
extern u_char session_id[];
extern Buffer input, output;
extern Buffer auth_debug;
extern int auth_debug_init;
extern Buffer loginmsg;
@ -112,6 +112,8 @@ struct {
u_int ilen;
u_char *output;
u_int olen;
u_int64_t sent_bytes;
u_int64_t recv_bytes;
} child_state;
/* Functions on the monitor that answer unprivileged requests */
@ -1351,15 +1353,20 @@ monitor_apply_keystate(struct monitor *pmonitor)
/* Network I/O buffers */
/* XXX inefficient for large buffers, need: buffer_init_from_string */
buffer_clear(&input);
buffer_append(&input, child_state.input, child_state.ilen);
buffer_clear(packet_get_input());
buffer_append(packet_get_input(), child_state.input, child_state.ilen);
memset(child_state.input, 0, child_state.ilen);
xfree(child_state.input);
buffer_clear(&output);
buffer_append(&output, child_state.output, child_state.olen);
buffer_clear(packet_get_output());
buffer_append(packet_get_output(), child_state.output,
child_state.olen);
memset(child_state.output, 0, child_state.olen);
xfree(child_state.output);
/* Roaming */
if (compat20)
roam_set_bytes(child_state.sent_bytes, child_state.recv_bytes);
}
static Kex *
@ -1475,6 +1482,12 @@ mm_get_keystate(struct monitor *pmonitor)
child_state.input = buffer_get_string(&m, &child_state.ilen);
child_state.output = buffer_get_string(&m, &child_state.olen);
/* Roaming */
if (compat20) {
child_state.sent_bytes = buffer_get_int64(&m);
child_state.recv_bytes = buffer_get_int64(&m);
}
buffer_free(&m);
}

View File

@ -1,5 +1,5 @@
/* $NetBSD: monitor_mm.c,v 1.1.1.1 2009/06/07 22:19:12 christos Exp $ */
/* $OpenBSD: monitor_mm.c,v 1.15 2006/08/03 03:34:42 deraadt Exp $ */
/* $NetBSD: monitor_mm.c,v 1.1.1.2 2009/12/27 01:06:58 christos Exp $ */
/* $OpenBSD: monitor_mm.c,v 1.16 2009/06/22 05:39:28 dtucker Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@ -31,8 +31,8 @@
#include <sys/param.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include <string.h>
#include "xmalloc.h"
#include "ssh.h"

View File

@ -1,5 +1,5 @@
/* $NetBSD: monitor_wrap.c,v 1.1.1.1 2009/06/07 22:19:13 christos Exp $ */
/* $OpenBSD: monitor_wrap.c,v 1.64 2008/11/04 08:22:13 djm Exp $ */
/* $NetBSD: monitor_wrap.c,v 1.1.1.2 2009/12/27 01:06:59 christos 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>
@ -30,10 +30,6 @@
#include <sys/uio.h>
#include <sys/queue.h>
#include <openssl/bn.h>
#include <openssl/dh.h>
#include <openssl/evp.h>
#include <errno.h>
#include <pwd.h>
#include <signal.h>
@ -41,6 +37,10 @@
#include <string.h>
#include <unistd.h>
#include <openssl/bn.h>
#include <openssl/dh.h>
#include <openssl/evp.h>
#include "xmalloc.h"
#include "ssh.h"
#include "dh.h"
@ -63,19 +63,19 @@
#include "atomicio.h"
#include "monitor_fdpass.h"
#include "misc.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;
@ -498,7 +498,7 @@ mm_newkeys_to_blob(int mode, u_char **blobp, u_int *lenp)
Enc *enc;
Mac *mac;
Comp *comp;
Newkeys *newkey = newkeys[mode];
Newkeys *newkey = (Newkeys *)packet_get_newkeys(mode);
debug3("%s: converting %p", __func__, newkey);
@ -560,7 +560,7 @@ mm_send_kex(Buffer *m, Kex *kex)
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;
@ -598,7 +598,8 @@ mm_send_keystate(struct monitor *monitor)
}
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))
@ -645,8 +646,16 @@ mm_send_keystate(struct monitor *monitor)
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__);
@ -1050,7 +1059,7 @@ mm_auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
}
void
mm_jpake_step1(struct jpake_group *grp,
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,
@ -1085,7 +1094,7 @@ mm_jpake_step1(struct jpake_group *grp,
}
void
mm_jpake_step2(struct jpake_group *grp, BIGNUM *s,
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,
@ -1125,7 +1134,7 @@ mm_jpake_step2(struct jpake_group *grp, BIGNUM *s,
}
void
mm_jpake_key_confirm(struct jpake_group *grp, BIGNUM *s, BIGNUM *step2_val,
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,

View File

@ -1,5 +1,5 @@
/* $NetBSD: monitor_wrap.h,v 1.1.1.1 2009/06/07 22:19:13 christos Exp $ */
/* $OpenBSD: monitor_wrap.h,v 1.21 2008/11/04 08:22:13 djm Exp $ */
/* $NetBSD: monitor_wrap.h,v 1.1.1.2 2009/12/27 01:06:59 christos Exp $ */
/* $OpenBSD: monitor_wrap.h,v 1.22 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
@ -88,17 +88,17 @@ int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
int mm_skey_respond(void *, u_int, char **);
/* jpake */
struct jpake_group;
struct modp_group;
void mm_auth2_jpake_get_pwdata(struct Authctxt *, BIGNUM **, char **, char **);
void mm_jpake_step1(struct jpake_group *, u_char **, u_int *,
void mm_jpake_step1(struct modp_group *, u_char **, u_int *,
BIGNUM **, BIGNUM **, BIGNUM **, BIGNUM **,
u_char **, u_int *, u_char **, u_int *);
void mm_jpake_step2(struct jpake_group *, BIGNUM *,
void mm_jpake_step2(struct modp_group *, BIGNUM *,
BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
const u_char *, u_int, const u_char *, u_int,
const u_char *, u_int, const u_char *, u_int,
BIGNUM **, u_char **, u_int *);
void mm_jpake_key_confirm(struct jpake_group *, BIGNUM *, BIGNUM *,
void mm_jpake_key_confirm(struct modp_group *, BIGNUM *, BIGNUM *,
BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
const u_char *, u_int, const u_char *, u_int,
const u_char *, u_int, const u_char *, u_int,

File diff suppressed because it is too large Load Diff

View File

@ -1,5 +1,5 @@
/* $NetBSD: packet.h,v 1.1.1.1 2009/06/07 22:19:14 christos Exp $ */
/* $OpenBSD: packet.h,v 1.49 2008/07/10 18:08:11 markus Exp $ */
/* $NetBSD: packet.h,v 1.1.1.2 2009/12/27 01:07:01 christos Exp $ */
/* $OpenBSD: packet.h,v 1.52 2009/06/27 09:29:06 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -40,6 +40,7 @@ void packet_set_authenticated(void);
void packet_start(u_char);
void packet_put_char(int ch);
void packet_put_int(u_int value);
void packet_put_int64(u_int64_t value);
void packet_put_bignum(BIGNUM * value);
void packet_put_bignum2(BIGNUM * value);
void packet_put_string(const void *buf, u_int len);
@ -56,6 +57,7 @@ int packet_read_poll_seqnr(u_int32_t *seqnr_p);
u_int packet_get_char(void);
u_int packet_get_int(void);
u_int64_t packet_get_int64(void);
void packet_get_bignum(BIGNUM * value);
void packet_get_bignum2(BIGNUM * value);
void *packet_get_raw(u_int *length_ptr);
@ -73,6 +75,7 @@ void packet_get_state(int, u_int32_t *, u_int64_t *, u_int32_t *, u_int64_t *);
void packet_set_state(int, u_int32_t, u_int64_t, u_int32_t, u_int64_t);
int packet_get_ssh1_cipher(void);
void packet_set_iv(int, u_char *);
void *packet_get_newkeys(int);
void packet_write_poll(void);
void packet_write_wait(void);
@ -88,10 +91,10 @@ void packet_add_padding(u_char);
void tty_make_modes(int, struct termios *);
void tty_parse_modes(int, int *);
extern u_int max_packet_size;
extern int keep_alive_timeouts;
void packet_set_alive_timeouts(int);
int packet_inc_alive_timeouts(void);
int packet_set_maxsize(u_int);
#define packet_get_maxsize() max_packet_size
u_int packet_get_maxsize(void);
/* don't allow remaining bytes after the end of the message */
#define packet_check_eom() \
@ -107,4 +110,10 @@ do { \
int packet_need_rekeying(void);
void packet_set_rekey_limit(u_int32_t);
void packet_backup_state(void);
void packet_restore_state(void);
void *packet_get_input(void);
void *packet_get_output(void);
#endif /* PACKET_H */

View File

@ -1,5 +1,5 @@
/* $NetBSD: readconf.c,v 1.1.1.1 2009/06/07 22:19:15 christos Exp $ */
/* $OpenBSD: readconf.c,v 1.176 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: readconf.c,v 1.1.1.2 2009/12/27 01:07:02 christos Exp $ */
/* $OpenBSD: readconf.c,v 1.177 2009/06/27 09:35:06 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -128,7 +128,7 @@ typedef enum {
oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly,
oSendEnv, oControlPath, oControlMaster, oHashKnownHosts,
oTunnel, oTunnelDevice, oLocalCommand, oPermitLocalCommand,
oVisualHostKey, oZeroKnowledgePasswordAuthentication,
oVisualHostKey, oUseRoaming, oZeroKnowledgePasswordAuthentication,
oDeprecated, oUnsupported
} OpCodes;
@ -226,6 +226,7 @@ static struct {
{ "localcommand", oLocalCommand },
{ "permitlocalcommand", oPermitLocalCommand },
{ "visualhostkey", oVisualHostKey },
{ "useroaming", oUseRoaming },
#ifdef JPAKE
{ "zeroknowledgepasswordauthentication",
oZeroKnowledgePasswordAuthentication },
@ -910,6 +911,10 @@ parse_int:
intptr = &options->visual_host_key;
goto parse_flag;
case oUseRoaming:
intptr = &options->use_roaming;
goto parse_flag;
case oDeprecated:
debug("%s line %d: Deprecated option \"%s\"",
filename, linenum, keyword);
@ -1059,6 +1064,7 @@ initialize_options(Options * options)
options->tun_remote = -1;
options->local_command = NULL;
options->permit_local_command = -1;
options->use_roaming = -1;
options->visual_host_key = -1;
options->zero_knowledge_password_authentication = -1;
}
@ -1195,6 +1201,8 @@ fill_default_options(Options * options)
options->tun_remote = SSH_TUNID_ANY;
if (options->permit_local_command == -1)
options->permit_local_command = 0;
if (options->use_roaming == -1)
options->use_roaming = 1;
if (options->visual_host_key == -1)
options->visual_host_key = 0;
if (options->zero_knowledge_password_authentication == -1)

View File

@ -1,5 +1,5 @@
/* $NetBSD: readconf.h,v 1.1.1.1 2009/06/07 22:19:15 christos Exp $ */
/* $OpenBSD: readconf.h,v 1.78 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: readconf.h,v 1.1.1.2 2009/12/27 01:07:02 christos Exp $ */
/* $OpenBSD: readconf.h,v 1.79 2009/06/27 09:35:06 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -124,6 +124,8 @@ typedef struct {
int permit_local_command;
int visual_host_key;
int use_roaming;
} Options;
#define SSHCTL_MASTER_NO 0

View File

@ -0,0 +1,39 @@
/* $NetBSD: roaming.h,v 1.1.1.1 2009/12/27 01:07:02 christos Exp $ */
/* $OpenBSD: roaming.h,v 1.4 2009/06/27 09:32:43 andreas Exp $ */
/*
* Copyright (c) 2004-2009 AppGate Network Security AB
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef ROAMING_H
#define ROAMING_H
#define DEFAULT_ROAMBUF 65536
extern int resume_in_progress;
int get_snd_buf_size(void);
int get_recv_buf_size(void);
void add_recv_bytes(u_int64_t);
void set_out_buffer_size(size_t);
ssize_t roaming_write(int, const void *, size_t, int *);
ssize_t roaming_read(int, void *, size_t, int *);
size_t roaming_atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
u_int64_t get_recv_bytes(void);
u_int64_t get_sent_bytes(void);
void roam_set_bytes(u_int64_t, u_int64_t);
void resend_bytes(int, u_int64_t *);
int resume_kex(void);
#endif /* ROAMING */

View File

@ -0,0 +1,198 @@
/* $NetBSD: roaming_common.c,v 1.1.1.1 2009/12/27 01:07:02 christos Exp $ */
/* $OpenBSD: roaming_common.c,v 1.5 2009/06/27 09:32:43 andreas Exp $ */
/*
* Copyright (c) 2004-2009 AppGate Network Security AB
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <errno.h>
#include <inttypes.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include "atomicio.h"
#include "log.h"
#include "packet.h"
#include "xmalloc.h"
#include "cipher.h"
#include "buffer.h"
#include "roaming.h"
static size_t out_buf_size = 0;
static char *out_buf = NULL;
static size_t out_start;
static size_t out_last;
static u_int64_t write_bytes = 0;
static u_int64_t read_bytes = 0;
int roaming_enabled = 0;
int resume_in_progress = 0;
int
get_snd_buf_size()
{
int fd = packet_get_connection_out();
int optval, optvallen;
optvallen = sizeof(optval);
if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &optval, &optvallen) != 0)
optval = DEFAULT_ROAMBUF;
return optval;
}
int
get_recv_buf_size()
{
int fd = packet_get_connection_in();
int optval, optvallen;
optvallen = sizeof(optval);
if (getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &optval, &optvallen) != 0)
optval = DEFAULT_ROAMBUF;
return optval;
}
void
set_out_buffer_size(size_t size)
{
/*
* The buffer size can only be set once and the buffer will live
* as long as the session lives.
*/
if (out_buf == NULL) {
out_buf_size = size;
out_buf = xmalloc(size);
out_start = 0;
out_last = 0;
}
}
u_int64_t
get_recv_bytes(void)
{
return read_bytes;
}
void
add_recv_bytes(u_int64_t num)
{
read_bytes += num;
}
u_int64_t
get_sent_bytes(void)
{
return write_bytes;
}
void
roam_set_bytes(u_int64_t sent, u_int64_t recvd)
{
read_bytes = recvd;
write_bytes = sent;
}
static void
buf_append(const char *buf, size_t count)
{
if (count > out_buf_size) {
buf += count - out_buf_size;
count = out_buf_size;
}
if (count < out_buf_size - out_last) {
memcpy(out_buf + out_last, buf, count);
if (out_start > out_last)
out_start += count;
out_last += count;
} else {
/* data will wrap */
size_t chunk = out_buf_size - out_last;
memcpy(out_buf + out_last, buf, chunk);
memcpy(out_buf, buf + chunk, count - chunk);
out_last = count - chunk;
out_start = out_last + 1;
}
}
ssize_t
roaming_write(int fd, const void *buf, size_t count, int *cont)
{
ssize_t ret;
ret = write(fd, buf, count);
if (ret > 0 && !resume_in_progress) {
write_bytes += ret;
if (out_buf_size > 0)
buf_append(buf, ret);
}
debug3("Wrote %ld bytes for a total of %llu", (long)ret,
(unsigned long long)write_bytes);
return ret;
}
ssize_t
roaming_read(int fd, void *buf, size_t count, int *cont)
{
ssize_t ret = read(fd, buf, count);
if (ret > 0) {
if (!resume_in_progress) {
read_bytes += ret;
}
}
return ret;
}
size_t
roaming_atomicio(ssize_t(*f)(int, void*, size_t), int fd, void *buf,
size_t count)
{
size_t ret = atomicio(f, fd, buf, count);
if (f == vwrite && ret > 0 && !resume_in_progress) {
write_bytes += ret;
} else if (f == read && ret > 0 && !resume_in_progress) {
read_bytes += ret;
}
return ret;
}
void
resend_bytes(int fd, u_int64_t *offset)
{
size_t available, needed;
if (out_start < out_last)
available = out_last - out_start;
else
available = out_buf_size;
needed = write_bytes - *offset;
debug3("resend_bytes: resend %lu bytes from %llu",
(unsigned long)needed, (unsigned long long)*offset);
if (needed > available)
fatal("Needed to resend more data than in the cache");
if (out_last < needed) {
int chunkend = needed - out_last;
atomicio(vwrite, fd, out_buf + out_buf_size - chunkend,
chunkend);
atomicio(vwrite, fd, out_buf, out_last);
} else {
atomicio(vwrite, fd, out_buf + (out_last - needed), needed);
}
}

View File

@ -0,0 +1,60 @@
/* $NetBSD: roaming_dummy.c,v 1.1.1.1 2009/12/27 01:07:02 christos Exp $ */
/* $OpenBSD: roaming_dummy.c,v 1.3 2009/06/21 09:04:03 dtucker Exp $ */
/*
* Copyright (c) 2004-2009 AppGate Network Security AB
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file is included in the client programs which should not
* support roaming.
*/
#include <sys/types.h>
#include <unistd.h>
#include "roaming.h"
int resume_in_progress = 0;
u_int64_t
get_recv_bytes(void)
{
return 0;
}
ssize_t
roaming_write(int fd, const void *buf, size_t count, int *cont)
{
return write(fd, buf, count);
}
ssize_t
roaming_read(int fd, void *buf, size_t count, int *cont)
{
if (cont)
*cont = 0;
return read(fd, buf, count);
}
void
add_recv_bytes(u_int64_t num)
{
}
int
resume_kex(void)
{
return 1;
}

View File

@ -1,5 +1,5 @@
/* $NetBSD: schnorr.c,v 1.1.1.1 2009/06/07 22:19:16 christos Exp $ */
/* $OpenBSD: schnorr.c,v 1.2 2009/02/18 04:31:21 djm Exp $ */
/* $NetBSD: schnorr.c,v 1.1.1.2 2009/12/27 01:07:03 christos Exp $ */
/* $OpenBSD: schnorr.c,v 1.3 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright (c) 2008 Damien Miller. All rights reserved.
*
@ -39,36 +39,32 @@
#include "buffer.h"
#include "log.h"
#include "jpake.h"
#include "schnorr.h"
/* #define SCHNORR_DEBUG */ /* Privacy-violating debugging */
/* #define SCHNORR_MAIN */ /* Include main() selftest */
/* XXX */
/* Parametise signature hash? (sha256, sha1, etc.) */
/* Signature format - include type name, hash type, group params? */
#ifndef SCHNORR_DEBUG
# define SCHNORR_DEBUG_BN(a)
# define SCHNORR_DEBUG_BUF(a)
#else
# define SCHNORR_DEBUG_BN(a) jpake_debug3_bn a
# define SCHNORR_DEBUG_BUF(a) jpake_debug3_buf a
# define SCHNORR_DEBUG_BN(a) debug3_bn a
# define SCHNORR_DEBUG_BUF(a) debug3_buf a
#endif /* SCHNORR_DEBUG */
/*
* Calculate hash component of Schnorr signature H(g || g^v || g^x || id)
* using SHA1. Returns signature as bignum or NULL on error.
* using the hash function defined by "evp_md". Returns signature as
* bignum or NULL on error.
*/
static BIGNUM *
schnorr_hash(const BIGNUM *p, const BIGNUM *q, const BIGNUM *g,
const BIGNUM *g_v, const BIGNUM *g_x,
const EVP_MD *evp_md, const BIGNUM *g_v, const BIGNUM *g_x,
const u_char *id, u_int idlen)
{
u_char *digest;
u_int digest_len;
BIGNUM *h;
EVP_MD_CTX evp_md_ctx;
Buffer b;
int success = -1;
@ -78,7 +74,6 @@ schnorr_hash(const BIGNUM *p, const BIGNUM *q, const BIGNUM *g,
}
buffer_init(&b);
EVP_MD_CTX_init(&evp_md_ctx);
/* h = H(g || p || q || g^v || g^x || id) */
buffer_put_bignum2(&b, g);
@ -90,7 +85,7 @@ schnorr_hash(const BIGNUM *p, const BIGNUM *q, const BIGNUM *g,
SCHNORR_DEBUG_BUF((buffer_ptr(&b), buffer_len(&b),
"%s: hashblob", __func__));
if (hash_buffer(buffer_ptr(&b), buffer_len(&b), EVP_sha256(),
if (hash_buffer(buffer_ptr(&b), buffer_len(&b), evp_md,
&digest, &digest_len) != 0) {
error("%s: hash_buffer", __func__);
goto out;
@ -103,7 +98,6 @@ schnorr_hash(const BIGNUM *p, const BIGNUM *q, const BIGNUM *g,
SCHNORR_DEBUG_BN((h, "%s: h = ", __func__));
out:
buffer_free(&b);
EVP_MD_CTX_cleanup(&evp_md_ctx);
bzero(digest, digest_len);
xfree(digest);
digest_len = 0;
@ -116,18 +110,20 @@ schnorr_hash(const BIGNUM *p, const BIGNUM *q, const BIGNUM *g,
/*
* Generate Schnorr signature to prove knowledge of private value 'x' used
* in public exponent g^x, under group defined by 'grp_p', 'grp_q' and 'grp_g'
* using the hash function "evp_md".
* 'idlen' bytes from 'id' will be included in the signature hash as an anti-
* replay salt.
* On success, 0 is returned and *siglen bytes of signature are returned in
* *sig (caller to free). Returns -1 on failure.
*
* On success, 0 is returned. The signature values are returned as *e_p
* (g^v mod p) and *r_p (v - xh mod q). The caller must free these values.
* On failure, -1 is returned.
*/
int
schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
const BIGNUM *x, const BIGNUM *g_x, const u_char *id, u_int idlen,
u_char **sig, u_int *siglen)
const EVP_MD *evp_md, const BIGNUM *x, const BIGNUM *g_x,
const u_char *id, u_int idlen, BIGNUM **r_p, BIGNUM **e_p)
{
int success = -1;
Buffer b;
BIGNUM *h, *tmp, *v, *g_v, *r;
BN_CTX *bn_ctx;
@ -170,7 +166,7 @@ schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
SCHNORR_DEBUG_BN((g_v, "%s: g_v = ", __func__));
/* h = H(g || g^v || g^x || id) */
if ((h = schnorr_hash(grp_p, grp_q, grp_g, g_v, g_x,
if ((h = schnorr_hash(grp_p, grp_q, grp_g, evp_md, g_v, g_x,
id, idlen)) == NULL) {
error("%s: schnorr_hash failed", __func__);
goto out;
@ -185,19 +181,12 @@ schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
error("%s: BN_mod_mul (r = v - tmp)", __func__);
goto out;
}
SCHNORR_DEBUG_BN((g_v, "%s: e = ", __func__));
SCHNORR_DEBUG_BN((r, "%s: r = ", __func__));
/* Signature is (g_v, r) */
buffer_init(&b);
/* XXX sigtype-hash as string? */
buffer_put_bignum2(&b, g_v);
buffer_put_bignum2(&b, r);
*siglen = buffer_len(&b);
*sig = xmalloc(*siglen);
memcpy(*sig, buffer_ptr(&b), *siglen);
SCHNORR_DEBUG_BUF((buffer_ptr(&b), buffer_len(&b),
"%s: sigblob", __func__));
buffer_free(&b);
*e_p = g_v;
*r_p = r;
success = 0;
out:
BN_CTX_free(bn_ctx);
@ -205,29 +194,65 @@ schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
BN_clear_free(h);
if (v != NULL)
BN_clear_free(v);
BN_clear_free(r);
BN_clear_free(g_v);
BN_clear_free(tmp);
return success;
}
/*
* Verify Schnorr signature 'sig' of length 'siglen' against public exponent
* g_x (g^x) under group defined by 'grp_p', 'grp_q' and 'grp_g'.
* Generate Schnorr signature to prove knowledge of private value 'x' used
* in public exponent g^x, under group defined by 'grp_p', 'grp_q' and 'grp_g'
* using a SHA256 hash.
* 'idlen' bytes from 'id' will be included in the signature hash as an anti-
* replay salt.
* On success, 0 is returned and *siglen bytes of signature are returned in
* *sig (caller to free). Returns -1 on failure.
*/
int
schnorr_sign_buf(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
const BIGNUM *x, const BIGNUM *g_x, const u_char *id, u_int idlen,
u_char **sig, u_int *siglen)
{
Buffer b;
BIGNUM *r, *e;
if (schnorr_sign(grp_p, grp_q, grp_g, EVP_sha256(),
x, g_x, id, idlen, &r, &e) != 0)
return -1;
/* Signature is (e, r) */
buffer_init(&b);
/* XXX sigtype-hash as string? */
buffer_put_bignum2(&b, e);
buffer_put_bignum2(&b, r);
*siglen = buffer_len(&b);
*sig = xmalloc(*siglen);
memcpy(*sig, buffer_ptr(&b), *siglen);
SCHNORR_DEBUG_BUF((buffer_ptr(&b), buffer_len(&b),
"%s: sigblob", __func__));
buffer_free(&b);
BN_clear_free(r);
BN_clear_free(e);
return 0;
}
/*
* Verify Schnorr signature { r (v - xh mod q), e (g^v mod p) } against
* public exponent g_x (g^x) under group defined by 'grp_p', 'grp_q' and
* 'grp_g' using hash "evp_md".
* Signature hash will be salted with 'idlen' bytes from 'id'.
* Returns -1 on failure, 0 on incorrect signature or 1 on matching signature.
*/
int
schnorr_verify(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
const BIGNUM *g_x, const u_char *id, u_int idlen,
const u_char *sig, u_int siglen)
const EVP_MD *evp_md, const BIGNUM *g_x, const u_char *id, u_int idlen,
const BIGNUM *r, const BIGNUM *e)
{
int success = -1;
Buffer b;
BIGNUM *g_v, *h, *r, *g_xh, *g_r, *expected;
BIGNUM *h, *g_xh, *g_r, *expected;
BN_CTX *bn_ctx;
u_int rlen;
SCHNORR_DEBUG_BN((g_x, "%s: g_x = ", __func__));
@ -237,39 +262,23 @@ schnorr_verify(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
return -1;
}
g_v = h = r = g_xh = g_r = expected = NULL;
h = g_xh = g_r = expected = NULL;
if ((bn_ctx = BN_CTX_new()) == NULL) {
error("%s: BN_CTX_new", __func__);
goto out;
}
if ((g_v = BN_new()) == NULL ||
(r = BN_new()) == NULL ||
(g_xh = BN_new()) == NULL ||
if ((g_xh = BN_new()) == NULL ||
(g_r = BN_new()) == NULL ||
(expected = BN_new()) == NULL) {
error("%s: BN_new", __func__);
goto out;
}
/* Extract g^v and r from signature blob */
buffer_init(&b);
buffer_append(&b, sig, siglen);
SCHNORR_DEBUG_BUF((buffer_ptr(&b), buffer_len(&b),
"%s: sigblob", __func__));
buffer_get_bignum2(&b, g_v);
buffer_get_bignum2(&b, r);
rlen = buffer_len(&b);
buffer_free(&b);
if (rlen != 0) {
error("%s: remaining bytes in signature %d", __func__, rlen);
goto out;
}
buffer_free(&b);
SCHNORR_DEBUG_BN((g_v, "%s: g_v = ", __func__));
SCHNORR_DEBUG_BN((e, "%s: e = ", __func__));
SCHNORR_DEBUG_BN((r, "%s: r = ", __func__));
/* h = H(g || g^v || g^x || id) */
if ((h = schnorr_hash(grp_p, grp_q, grp_g, g_v, g_x,
if ((h = schnorr_hash(grp_p, grp_q, grp_g, evp_md, e, g_x,
id, idlen)) == NULL) {
error("%s: schnorr_hash failed", __func__);
goto out;
@ -296,20 +305,248 @@ schnorr_verify(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
}
SCHNORR_DEBUG_BN((expected, "%s: expected = ", __func__));
/* Check g_v == expected */
success = BN_cmp(expected, g_v) == 0;
/* Check e == expected */
success = BN_cmp(expected, e) == 0;
out:
BN_CTX_free(bn_ctx);
if (h != NULL)
BN_clear_free(h);
BN_clear_free(g_v);
BN_clear_free(r);
BN_clear_free(g_xh);
BN_clear_free(g_r);
BN_clear_free(expected);
return success;
}
/*
* Verify Schnorr signature 'sig' of length 'siglen' against public exponent
* g_x (g^x) under group defined by 'grp_p', 'grp_q' and 'grp_g' using a
* SHA256 hash.
* Signature hash will be salted with 'idlen' bytes from 'id'.
* Returns -1 on failure, 0 on incorrect signature or 1 on matching signature.
*/
int
schnorr_verify_buf(const BIGNUM *grp_p, const BIGNUM *grp_q,
const BIGNUM *grp_g,
const BIGNUM *g_x, const u_char *id, u_int idlen,
const u_char *sig, u_int siglen)
{
Buffer b;
int ret = -1;
u_int rlen;
BIGNUM *r, *e;
e = r = NULL;
if ((e = BN_new()) == NULL ||
(r = BN_new()) == NULL) {
error("%s: BN_new", __func__);
goto out;
}
/* Extract g^v and r from signature blob */
buffer_init(&b);
buffer_append(&b, sig, siglen);
SCHNORR_DEBUG_BUF((buffer_ptr(&b), buffer_len(&b),
"%s: sigblob", __func__));
buffer_get_bignum2(&b, e);
buffer_get_bignum2(&b, r);
rlen = buffer_len(&b);
buffer_free(&b);
if (rlen != 0) {
error("%s: remaining bytes in signature %d", __func__, rlen);
goto out;
}
ret = schnorr_verify(grp_p, grp_q, grp_g, EVP_sha256(),
g_x, id, idlen, r, e);
out:
BN_clear_free(e);
BN_clear_free(r);
return ret;
}
/* Helper functions */
/*
* Generate uniformly distributed random number in range (1, high).
* Return number on success, NULL on failure.
*/
BIGNUM *
bn_rand_range_gt_one(const BIGNUM *high)
{
BIGNUM *r, *tmp;
int success = -1;
if ((tmp = BN_new()) == NULL) {
error("%s: BN_new", __func__);
return NULL;
}
if ((r = BN_new()) == NULL) {
error("%s: BN_new failed", __func__);
goto out;
}
if (BN_set_word(tmp, 2) != 1) {
error("%s: BN_set_word(tmp, 2)", __func__);
goto out;
}
if (BN_sub(tmp, high, tmp) == -1) {
error("%s: BN_sub failed (tmp = high - 2)", __func__);
goto out;
}
if (BN_rand_range(r, tmp) == -1) {
error("%s: BN_rand_range failed", __func__);
goto out;
}
if (BN_set_word(tmp, 2) != 1) {
error("%s: BN_set_word(tmp, 2)", __func__);
goto out;
}
if (BN_add(r, r, tmp) == -1) {
error("%s: BN_add failed (r = r + 2)", __func__);
goto out;
}
success = 0;
out:
BN_clear_free(tmp);
if (success == 0)
return r;
BN_clear_free(r);
return NULL;
}
/*
* Hash contents of buffer 'b' with hash 'md'. Returns 0 on success,
* with digest via 'digestp' (caller to free) and length via 'lenp'.
* Returns -1 on failure.
*/
int
hash_buffer(const u_char *buf, u_int len, const EVP_MD *md,
u_char **digestp, u_int *lenp)
{
u_char digest[EVP_MAX_MD_SIZE];
u_int digest_len;
EVP_MD_CTX evp_md_ctx;
int success = -1;
EVP_MD_CTX_init(&evp_md_ctx);
if (EVP_DigestInit_ex(&evp_md_ctx, md, NULL) != 1) {
error("%s: EVP_DigestInit_ex", __func__);
goto out;
}
if (EVP_DigestUpdate(&evp_md_ctx, buf, len) != 1) {
error("%s: EVP_DigestUpdate", __func__);
goto out;
}
if (EVP_DigestFinal_ex(&evp_md_ctx, digest, &digest_len) != 1) {
error("%s: EVP_DigestFinal_ex", __func__);
goto out;
}
*digestp = xmalloc(digest_len);
*lenp = digest_len;
memcpy(*digestp, digest, *lenp);
success = 0;
out:
EVP_MD_CTX_cleanup(&evp_md_ctx);
bzero(digest, sizeof(digest));
digest_len = 0;
return success;
}
/* print formatted string followed by bignum */
void
debug3_bn(const BIGNUM *n, const char *fmt, ...)
{
char *out, *h;
va_list args;
out = NULL;
va_start(args, fmt);
vasprintf(&out, fmt, args);
va_end(args);
if (out == NULL)
fatal("%s: vasprintf failed", __func__);
if (n == NULL)
debug3("%s(null)", out);
else {
h = BN_bn2hex(n);
debug3("%s0x%s", out, h);
free(h);
}
free(out);
}
/* print formatted string followed by buffer contents in hex */
void
debug3_buf(const u_char *buf, u_int len, const char *fmt, ...)
{
char *out, h[65];
u_int i, j;
va_list args;
out = NULL;
va_start(args, fmt);
vasprintf(&out, fmt, args);
va_end(args);
if (out == NULL)
fatal("%s: vasprintf failed", __func__);
debug3("%s length %u%s", out, len, buf == NULL ? " (null)" : "");
free(out);
if (buf == NULL)
return;
*h = '\0';
for (i = j = 0; i < len; i++) {
snprintf(h + j, sizeof(h) - j, "%02x", buf[i]);
j += 2;
if (j >= sizeof(h) - 1 || i == len - 1) {
debug3(" %s", h);
*h = '\0';
j = 0;
}
}
}
/*
* Construct a MODP group from hex strings p (which must be a safe
* prime) and g, automatically calculating subgroup q as (p / 2)
*/
struct modp_group *
modp_group_from_g_and_safe_p(const char *grp_g, const char *grp_p)
{
struct modp_group *ret;
ret = xmalloc(sizeof(*ret));
ret->p = ret->q = ret->g = NULL;
if (BN_hex2bn(&ret->p, grp_p) == 0 ||
BN_hex2bn(&ret->g, grp_g) == 0)
fatal("%s: BN_hex2bn", __func__);
/* Subgroup order is p/2 (p is a safe prime) */
if ((ret->q = BN_new()) == NULL)
fatal("%s: BN_new", __func__);
if (BN_rshift1(ret->q, ret->p) != 1)
fatal("%s: BN_rshift1", __func__);
return ret;
}
void
modp_group_free(struct modp_group *grp)
{
if (grp->g != NULL)
BN_clear_free(grp->g);
if (grp->p != NULL)
BN_clear_free(grp->p);
if (grp->q != NULL)
BN_clear_free(grp->q);
bzero(grp, sizeof(*grp));
xfree(grp);
}
/* main() function for self-test */
#ifdef SCHNORR_MAIN
static void
schnorr_selftest_one(const BIGNUM *grp_p, const BIGNUM *grp_q,
@ -327,16 +564,17 @@ schnorr_selftest_one(const BIGNUM *grp_p, const BIGNUM *grp_q,
if (BN_mod_exp(g_x, grp_g, x, grp_p, bn_ctx) == -1)
fatal("%s: g_x", __func__);
if (schnorr_sign(grp_p, grp_q, grp_g, x, g_x, "junk", 4, &sig, &siglen))
if (schnorr_sign_buf(grp_p, grp_q, grp_g, x, g_x, "junk", 4,
&sig, &siglen))
fatal("%s: schnorr_sign", __func__);
if (schnorr_verify(grp_p, grp_q, grp_g, g_x, "junk", 4,
if (schnorr_verify_buf(grp_p, grp_q, grp_g, g_x, "junk", 4,
sig, siglen) != 1)
fatal("%s: verify fail", __func__);
if (schnorr_verify(grp_p, grp_q, grp_g, g_x, "JUNK", 4,
if (schnorr_verify_buf(grp_p, grp_q, grp_g, g_x, "JUNK", 4,
sig, siglen) != 0)
fatal("%s: verify should have failed (bad ID)", __func__);
sig[4] ^= 1;
if (schnorr_verify(grp_p, grp_q, grp_g, g_x, "junk", 4,
if (schnorr_verify_buf(grp_p, grp_q, grp_g, g_x, "junk", 4,
sig, siglen) != 0)
fatal("%s: verify should have failed (bit error)", __func__);
xfree(sig);
@ -348,7 +586,7 @@ static void
schnorr_selftest(void)
{
BIGNUM *x;
struct jpake_group *grp;
struct modp_group *grp;
u_int i;
char *hh;

View File

@ -0,0 +1,61 @@
/* $NetBSD: schnorr.h,v 1.1.1.1 2009/12/27 01:07:03 christos Exp $ */
/* $OpenBSD: schnorr.h,v 1.1 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright (c) 2009 Damien Miller. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef SCHNORR_H
#define SCHNORR_H
#include <sys/types.h>
#include <openssl/bn.h>
struct modp_group {
BIGNUM *p, *q, *g;
};
BIGNUM *bn_rand_range_gt_one(const BIGNUM *high);
int hash_buffer(const u_char *, u_int, const EVP_MD *, u_char **, u_int *);
void debug3_bn(const BIGNUM *, const char *, ...)
__attribute__((__nonnull__ (2)))
__attribute__((format(printf, 2, 3)));
void debug3_buf(const u_char *, u_int, const char *, ...)
__attribute__((__nonnull__ (3)))
__attribute__((format(printf, 3, 4)));
struct modp_group *modp_group_from_g_and_safe_p(const char *, const char *);
void modp_group_free(struct modp_group *);
/* Signature and verification functions */
int
schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
const EVP_MD *evp_md, const BIGNUM *x, const BIGNUM *g_x,
const u_char *id, u_int idlen, BIGNUM **r_p, BIGNUM **e_p);
int
schnorr_sign_buf(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
const BIGNUM *x, const BIGNUM *g_x, const u_char *id, u_int idlen,
u_char **sig, u_int *siglen);
int
schnorr_verify(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
const EVP_MD *evp_md, const BIGNUM *g_x, const u_char *id, u_int idlen,
const BIGNUM *r, const BIGNUM *e);
int
schnorr_verify_buf(const BIGNUM *grp_p, const BIGNUM *grp_q,
const BIGNUM *grp_g,
const BIGNUM *g_x, const u_char *id, u_int idlen,
const u_char *sig, u_int siglen);
#endif /* JPAKE_H */

View File

@ -1,5 +1,5 @@
/* $NetBSD: servconf.c,v 1.1.1.1 2009/06/07 22:19:18 christos Exp $ */
/* $OpenBSD: servconf.c,v 1.194 2009/01/22 10:02:34 djm Exp $ */
/* $NetBSD: servconf.c,v 1.1.1.2 2009/12/27 01:07:05 christos Exp $ */
/* $OpenBSD: servconf.c,v 1.195 2009/04/14 21:10:54 jj Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@ -1334,7 +1334,7 @@ parse_server_match_config(ServerOptions *options, const char *user,
/*
* Copy any supported values that are set.
*
* If the preauth flag is set, we do not bother copying the the string or
* If the preauth flag is set, we do not bother copying the string or
* array values that are not used pre-authentication, because any that we
* do use must be explictly sent in mm_getpwnamallow().
*/

View File

@ -1,5 +1,5 @@
/* $NetBSD: serverloop.c,v 1.1.1.1 2009/06/07 22:19:18 christos Exp $ */
/* $OpenBSD: serverloop.c,v 1.157 2009/02/12 03:16:01 djm Exp $ */
/* $NetBSD: serverloop.c,v 1.1.1.2 2009/12/27 01:07:05 christos Exp $ */
/* $OpenBSD: serverloop.c,v 1.159 2009/05/28 16:50:16 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -75,6 +75,7 @@
#include "auth-options.h"
#include "serverloop.h"
#include "misc.h"
#include "roaming.h"
extern ServerOptions options;
@ -244,7 +245,7 @@ client_alive_check(void)
int channel_id;
/* timeout, check to see how many we have had */
if (++keep_alive_timeouts > options.client_alive_count_max) {
if (packet_inc_alive_timeouts() > options.client_alive_count_max) {
logit("Timeout, client not responding.");
cleanup_exit(255);
}
@ -376,8 +377,11 @@ process_input(fd_set *readset)
/* Read and buffer any input data from the client. */
if (FD_ISSET(connection_in, readset)) {
len = read(connection_in, buf, sizeof(buf));
int cont = 0;
len = roaming_read(connection_in, buf, sizeof(buf), &cont);
if (len == 0) {
if (cont)
return;
verbose("Connection closed by %.100s",
get_remote_ipaddr());
connection_closed = 1;
@ -859,7 +863,7 @@ server_input_keep_alive(int type, u_int32_t seq, void *ctxt)
* even if this was generated by something other than
* the bogus CHANNEL_REQUEST we send for keepalives.
*/
keep_alive_timeouts = 0;
packet_set_alive_timeouts(0);
}
static void

View File

@ -1,5 +1,5 @@
/* $NetBSD: session.c,v 1.1.1.1 2009/06/07 22:19:19 christos Exp $ */
/* $OpenBSD: session.c,v 1.245 2009/01/22 09:46:01 djm Exp $ */
/* $NetBSD: session.c,v 1.1.1.2 2009/12/27 01:07:06 christos Exp $ */
/* $OpenBSD: session.c,v 1.246 2009/04/17 19:23:06 stevesk Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@ -1393,7 +1393,7 @@ do_child(Session *s, const char *command)
int i;
char *p, *args;
setproctitle("%s@internal-sftp-server", s->pw->pw_name);
setproctitle("%s@%s", s->pw->pw_name, INTERNAL_SFTP_NAME);
args = xstrdup(command ? command : "sftp-server");
for (i = 0, (p = strtok(args, " ")); p; (p = strtok(NULL, " ")))
if (i < ARGV_MAX - 1)

View File

@ -1,5 +1,5 @@
/* $NetBSD: sftp-client.c,v 1.1.1.1 2009/06/07 22:19:20 christos Exp $ */
/* $OpenBSD: sftp-client.c,v 1.86 2008/06/26 06:10:09 djm Exp $ */
/* $NetBSD: sftp-client.c,v 1.1.1.2 2009/12/27 01:07:03 christos Exp $ */
/* $OpenBSD: sftp-client.c,v 1.87 2009/06/22 05:39:28 dtucker Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@ -32,10 +32,10 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include "xmalloc.h"
#include "buffer.h"

View File

@ -1,5 +1,5 @@
.\" $NetBSD: sftp-server.8,v 1.1.1.1 2009/06/07 22:19:20 christos Exp $
.\" $OpenBSD: sftp-server.8,v 1.14 2008/07/18 22:51:01 jmc Exp $
.\" $NetBSD: sftp-server.8,v 1.1.1.2 2009/12/27 01:07:08 christos Exp $
.\" $OpenBSD: sftp-server.8,v 1.15 2009/03/26 08:38:39 sobrado Exp $
.\"
.\" Copyright (c) 2000 Markus Friedl. All rights reserved.
.\"
@ -23,7 +23,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd $Mdocdate: July 18 2008 $
.Dd $Mdocdate: March 26 2009 $
.Dt SFTP-SERVER 8
.Os
.Sh NAME
@ -80,7 +80,7 @@ must be able to access
.Pa /dev/log .
Use of
.Nm
in a chroot configuation therefore requires that
in a chroot configuration therefore requires that
.Xr syslogd 8
establish a logging socket inside the chroot directory.
.Sh SEE ALSO

View File

@ -1,5 +1,5 @@
/* $NetBSD: sftp-server.c,v 1.1.1.1 2009/06/07 22:19:21 christos Exp $ */
/* $OpenBSD: sftp-server.c,v 1.84 2008/06/26 06:10:09 djm Exp $ */
/* $NetBSD: sftp-server.c,v 1.1.1.2 2009/12/27 01:07:08 christos Exp $ */
/* $OpenBSD: sftp-server.c,v 1.85 2009/04/14 16:33:42 stevesk Exp $ */
/*
* Copyright (c) 2000-2004 Markus Friedl. All rights reserved.
*
@ -1313,7 +1313,7 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
log_init(__progname, log_level, log_facility, log_stderr);
while (!skipargs && (ch = getopt(argc, argv, "C:f:l:che")) != -1) {
while (!skipargs && (ch = getopt(argc, argv, "f:l:che")) != -1) {
switch (ch) {
case 'c':
/*

View File

@ -1,5 +1,5 @@
.\" $NetBSD: ssh-agent.1,v 1.1.1.1 2009/06/07 22:19:22 christos Exp $
.\" $OpenBSD: ssh-agent.1,v 1.46 2007/09/09 11:38:01 sobrado Exp $
.\" $NetBSD: ssh-agent.1,v 1.1.1.2 2009/12/27 01:07:09 christos Exp $
.\" $OpenBSD: ssh-agent.1,v 1.47 2009/03/26 08:38:39 sobrado Exp $
.\"
.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
.\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -35,7 +35,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd $Mdocdate: September 9 2007 $
.Dd $Mdocdate: March 26 2009 $
.Dt SSH-AGENT 1
.Os
.Sh NAME
@ -142,7 +142,7 @@ The second is that the agent prints the needed shell commands (either
.Xr sh 1
or
.Xr csh 1
syntax can be generated) which can be evalled in the calling shell, eg
syntax can be generated) which can be evaluated in the calling shell, eg
.Cm eval `ssh-agent -s`
for Bourne-type shells such as
.Xr sh 1

View File

@ -1,5 +1,5 @@
/* $NetBSD: ssh-agent.c,v 1.1.1.1 2009/06/07 22:19:22 christos Exp $ */
/* $OpenBSD: ssh-agent.c,v 1.159 2008/06/28 14:05:15 djm Exp $ */
/* $NetBSD: ssh-agent.c,v 1.1.1.2 2009/12/27 01:07:09 christos Exp $ */
/* $OpenBSD: ssh-agent.c,v 1.161 2009/03/23 19:38:04 tobias Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1043,6 +1043,7 @@ main(int ac, char **av)
pid_t pid;
char pidstrbuf[1 + 3 * sizeof pid];
struct timeval *tvp = NULL;
size_t len;
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
sanitise_stdfd();
@ -1094,8 +1095,8 @@ main(int ac, char **av)
if (ac == 0 && !c_flag && !s_flag) {
shell = getenv("SHELL");
if (shell != NULL &&
strncmp(shell + strlen(shell) - 3, "csh", 3) == 0)
if (shell != NULL && (len = strlen(shell)) > 2 &&
strncmp(shell + len - 3, "csh", 3) == 0)
c_flag = 1;
}
if (k_flag) {

View File

@ -1,5 +1,5 @@
/* $NetBSD: ssh-keygen.c,v 1.1.1.1 2009/06/07 22:19:23 christos Exp $ */
/* $OpenBSD: ssh-keygen.c,v 1.173 2009/02/21 19:32:04 tobias Exp $ */
/* $NetBSD: ssh-keygen.c,v 1.1.1.2 2009/12/27 01:07:10 christos Exp $ */
/* $OpenBSD: ssh-keygen.c,v 1.174 2009/06/22 05:39:28 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -14,8 +14,8 @@
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <openssl/evp.h>

View File

@ -1,4 +1,4 @@
.\" $NetBSD: ssh.1,v 1.1.1.1 2009/06/07 22:19:24 christos Exp $
.\" $NetBSD: ssh.1,v 1.1.1.2 2009/12/27 01:07:11 christos Exp $
.\" -*- nroff -*-
.\"
.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -35,8 +35,8 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $OpenBSD: ssh.1,v 1.282 2009/02/12 03:44:25 djm Exp $
.Dd $Mdocdate: February 12 2009 $
.\" $OpenBSD: ssh.1,v 1.283 2009/03/19 15:15:09 jmc Exp $
.Dd $Mdocdate: March 19 2009 $
.Dt SSH 1
.Os
.Sh NAME
@ -192,26 +192,9 @@ For protocol version 2,
.Ar cipher_spec
is a comma-separated list of ciphers
listed in order of preference.
The supported ciphers are:
3des-cbc,
aes128-cbc,
aes192-cbc,
aes256-cbc,
aes128-ctr,
aes192-ctr,
aes256-ctr,
arcfour128,
arcfour256,
arcfour,
blowfish-cbc,
and
cast128-cbc.
The default is:
.Bd -literal -offset indent
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,
arcfour256,arcfour,aes192-cbc,aes256-cbc,aes128-ctr,
aes192-ctr,aes256-ctr
.Ed
See the
.Cm Ciphers
keyword for more information.
.It Fl D Xo
.Sm off
.Oo Ar bind_address : Oc

View File

@ -1,5 +1,5 @@
/* $NetBSD: ssh.c,v 1.1.1.1 2009/06/07 22:19:25 christos Exp $ */
/* $OpenBSD: ssh.c,v 1.324 2009/02/12 03:00:56 djm Exp $ */
/* $NetBSD: ssh.c,v 1.1.1.2 2009/12/27 01:07:12 christos Exp $ */
/* $OpenBSD: ssh.c,v 1.326 2009/07/02 02:11:47 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -43,6 +43,7 @@
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/resource.h>
#include <sys/socket.h>
@ -196,8 +197,8 @@ void muxserver_listen(void);
int
main(int ac, char **av)
{
int i, opt, exit_status, use_syslog;
char *p, *cp, *line, buf[256];
int i, r, opt, exit_status, use_syslog;
char *p, *cp, *line, *argv0, buf[MAXPATHLEN];
struct stat st;
struct passwd *pw;
int dummy, timeout_ms;
@ -258,6 +259,7 @@ main(int ac, char **av)
/* Parse command-line arguments. */
host = NULL;
use_syslog = 0;
argv0 = av[0];
again:
while ((opt = getopt(ac, av, "1246ab:c:e:fgi:kl:m:no:p:qstvx"
@ -588,7 +590,7 @@ main(int ac, char **av)
* Initialize "log" output. Since we are the client all output
* actually goes to stderr.
*/
log_init(av[0],
log_init(argv0,
options.log_level == -1 ? SYSLOG_LEVEL_INFO : options.log_level,
SYSLOG_FACILITY_USER, !use_syslog);
@ -601,9 +603,10 @@ main(int ac, char **av)
fatal("Can't open user config file %.100s: "
"%.100s", config, strerror(errno));
} else {
snprintf(buf, sizeof buf, "%.100s/%.100s", pw->pw_dir,
r = snprintf(buf, sizeof buf, "%s/%s", pw->pw_dir,
_PATH_SSH_USER_CONFFILE);
(void)read_config_file(buf, host, &options, 1);
if (r > 0 && (size_t)r < sizeof(buf))
(void)read_config_file(buf, host, &options, 1);
/* Read systemwide configuration file after use config. */
(void)read_config_file(_PATH_HOST_CONFIG_FILE, host,
@ -616,7 +619,7 @@ main(int ac, char **av)
channel_set_af(options.address_family);
/* reinit */
log_init(av[0], options.log_level, SYSLOG_FACILITY_USER, !use_syslog);
log_init(argv0, options.log_level, SYSLOG_FACILITY_USER, !use_syslog);
if (options.user == NULL)
options.user = xstrdup(pw->pw_name);
@ -748,9 +751,9 @@ main(int ac, char **av)
* Now that we are back to our own permissions, create ~/.ssh
* directory if it doesn't already exist.
*/
snprintf(buf, sizeof buf, "%.100s%s%.100s", pw->pw_dir,
r = snprintf(buf, sizeof buf, "%s%s%s", pw->pw_dir,
strcmp(pw->pw_dir, "/") ? "/" : "", _PATH_SSH_USER_DIR);
if (stat(buf, &st) < 0)
if (r > 0 && (size_t)r < sizeof(buf) && stat(buf, &st) < 0)
if (mkdir(buf, 0700) < 0)
error("Could not create directory '%.200s'.", buf);

View File

@ -1,5 +1,5 @@
/* $NetBSD: sshconnect.c,v 1.1.1.1 2009/06/07 22:19:27 christos Exp $ */
/* $OpenBSD: sshconnect.c,v 1.212 2008/10/14 18:11:33 stevesk Exp $ */
/* $NetBSD: sshconnect.c,v 1.1.1.2 2009/12/27 01:07:13 christos Exp $ */
/* $OpenBSD: sshconnect.c,v 1.214 2009/05/28 16:50:16 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -48,6 +48,7 @@
#include "atomicio.h"
#include "misc.h"
#include "dns.h"
#include "roaming.h"
#include "version.h"
char *client_version_string = NULL;
@ -405,7 +406,7 @@ ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
* Waits for the server identification string, and sends our own
* identification string.
*/
static void
void
ssh_exchange_identification(int timeout_ms)
{
char buf[256], remote_version[256]; /* must be same size! */
@ -444,7 +445,7 @@ ssh_exchange_identification(int timeout_ms)
}
}
len = atomicio(read, connection_in, &buf[i], 1);
len = roaming_atomicio(read, connection_in, &buf[i], 1);
if (len != 1 && errno == EPIPE)
fatal("ssh_exchange_identification: "
@ -529,7 +530,8 @@ ssh_exchange_identification(int timeout_ms)
compat20 ? PROTOCOL_MAJOR_2 : PROTOCOL_MAJOR_1,
compat20 ? PROTOCOL_MINOR_2 : minor1,
SSH_VERSION, compat20 ? "\r\n" : "\n");
if (atomicio(vwrite, connection_out, buf, strlen(buf)) != strlen(buf))
if (roaming_atomicio(vwrite, connection_out, buf, strlen(buf))
!= strlen(buf))
fatal("write: %.100s", strerror(errno));
client_version_string = xstrdup(buf);
chop(client_version_string);

View File

@ -1,5 +1,5 @@
/* $NetBSD: sshconnect.h,v 1.1.1.1 2009/06/07 22:19:27 christos Exp $ */
/* $OpenBSD: sshconnect.h,v 1.24 2007/09/04 11:15:56 djm Exp $ */
/* $NetBSD: sshconnect.h,v 1.1.1.2 2009/12/27 01:07:13 christos Exp $ */
/* $OpenBSD: sshconnect.h,v 1.25 2009/05/27 06:38:16 andreas Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
@ -39,6 +39,8 @@ ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
void
ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *, int);
void ssh_exchange_identification(int);
int verify_host_key(char *, struct sockaddr *, Key *);
void ssh_kex(char *, struct sockaddr *);

View File

@ -1,5 +1,5 @@
/* $NetBSD: sshconnect2.c,v 1.1.1.1 2009/06/07 22:19:28 christos Exp $ */
/* $OpenBSD: sshconnect2.c,v 1.170 2008/11/04 08:22:13 djm Exp $ */
/* $NetBSD: sshconnect2.c,v 1.1.1.2 2009/12/27 01:07:15 christos Exp $ */
/* $OpenBSD: sshconnect2.c,v 1.171 2009/03/05 07:18:19 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
* Copyright (c) 2008 Damien Miller. All rights reserved.
@ -63,6 +63,7 @@
#include "msg.h"
#include "pathnames.h"
#include "uidswap.h"
#include "schnorr.h"
#include "jpake.h"
#ifdef GSSAPI

View File

@ -1,4 +1,4 @@
.\" $NetBSD: sshd.8,v 1.1.1.1 2009/06/07 22:19:28 christos Exp $
.\" $NetBSD: sshd.8,v 1.1.1.2 2009/12/27 01:07:14 christos Exp $
.\" -*- nroff -*-
.\"
.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -35,8 +35,8 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $OpenBSD: sshd.8,v 1.247 2008/10/03 13:08:12 jmc Exp $
.Dd $Mdocdate: October 3 2008 $
.\" $OpenBSD: sshd.8,v 1.248 2009/03/26 08:38:39 sobrado Exp $
.Dd $Mdocdate: March 26 2009 $
.Dt SSHD 8
.Os
.Sh NAME
@ -517,7 +517,7 @@ for more information on patterns.
In addition to the wildcard matching that may be applied to hostnames or
addresses, a
.Cm from
stanza may match IP addressess using CIDR address/masklen notation.
stanza may match IP addresses using CIDR address/masklen notation.
.Pp
The purpose of this option is to optionally increase security: public key
authentication by itself does not trust the network or name servers or

View File

@ -1,5 +1,5 @@
/* $NetBSD: sshd.c,v 1.1.1.1 2009/06/07 22:19:29 christos Exp $ */
/* $OpenBSD: sshd.c,v 1.366 2009/01/22 10:02:34 djm Exp $ */
/* $NetBSD: sshd.c,v 1.1.1.2 2009/12/27 01:07:16 christos Exp $ */
/* $OpenBSD: sshd.c,v 1.367 2009/05/28 16:50:16 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -102,6 +102,7 @@
#include "ssh-gss.h"
#endif
#include "monitor_wrap.h"
#include "roaming.h"
#include "version.h"
#ifdef LIBWRAP
@ -400,7 +401,7 @@ sshd_exchange_identification(int sock_in, int sock_out)
server_version_string = xstrdup(buf);
/* Send our protocol version identification. */
if (atomicio(vwrite, sock_out, server_version_string,
if (roaming_atomicio(vwrite, sock_out, server_version_string,
strlen(server_version_string))
!= strlen(server_version_string)) {
logit("Could not write ident string to %s", get_remote_ipaddr());
@ -410,7 +411,7 @@ sshd_exchange_identification(int sock_in, int sock_out)
/* Read other sides version identification. */
memset(buf, 0, sizeof(buf));
for (i = 0; i < sizeof(buf) - 1; i++) {
if (atomicio(read, sock_in, &buf[i], 1) != 1) {
if (roaming_atomicio(read, sock_in, &buf[i], 1) != 1) {
logit("Did not receive identification string from %s",
get_remote_ipaddr());
cleanup_exit(255);

View File

@ -1,4 +1,4 @@
.\" $NetBSD: sshd_config.5,v 1.1.1.1 2009/06/07 22:19:30 christos Exp $
.\" $NetBSD: sshd_config.5,v 1.1.1.2 2009/12/27 01:07:17 christos Exp $
.\" -*- nroff -*-
.\"
.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -35,8 +35,8 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $OpenBSD: sshd_config.5,v 1.102 2009/02/22 23:59:25 djm Exp $
.Dd $Mdocdate: February 22 2009 $
.\" $OpenBSD: sshd_config.5,v 1.106 2009/04/21 15:13:17 stevesk Exp $
.Dd $Mdocdate: April 21 2009 $
.Dt SSHD_CONFIG 5
.Os
.Sh NAME
@ -189,6 +189,9 @@ Specifies a path to
to after authentication.
This path, and all its components, must be root-owned directories that are
not writable by any other user or group.
After the chroot,
.Xr sshd 8
changes the working directory to the user's home directory.
.Pp
The path may contain the following tokens that are expanded at runtime once
the connecting user has been authenticated: %% is replaced by a literal '%',
@ -198,7 +201,7 @@ the connecting user has been authenticated: %% is replaced by a literal '%',
The
.Cm ChrootDirectory
must contain the necessary files and directories to support the
users' session.
user's session.
For an interactive session this requires at least a shell, typically
.Xr sh 1 ,
and basic
@ -216,8 +219,11 @@ devices.
For file transfer sessions using
.Dq sftp ,
no additional configuration of the environment is necessary if the
in-process sftp server is used (see
.Cm Subsystem
in-process sftp server is used,
though sessions which use logging do require
.Pa /dev/log
inside the chroot directory (see
.Xr sftp-server 8
for details).
.Pp
The default is not to

View File

@ -1,5 +1,5 @@
/* $NetBSD: uuencode.c,v 1.1.1.1 2009/06/07 22:19:31 christos Exp $ */
/* $OpenBSD: uuencode.c,v 1.24 2006/08/03 03:34:42 deraadt Exp $ */
/* $NetBSD: uuencode.c,v 1.1.1.2 2009/12/27 01:07:18 christos Exp $ */
/* $OpenBSD: uuencode.c,v 1.25 2009/03/05 11:30:50 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
@ -32,6 +32,12 @@
#include "xmalloc.h"
#include "uuencode.h"
/*
* Encode binary 'src' of length 'srclength', writing base64-encoded text
* to 'target' of size 'targsize'. Will always nul-terminate 'target'.
* Returns the number of bytes stored in 'target' or -1 on error (inc.
* 'targsize' too small).
*/
int
uuencode(const u_char *src, u_int srclength,
char *target, size_t targsize)
@ -39,6 +45,11 @@ uuencode(const u_char *src, u_int srclength,
return __b64_ntop(src, srclength, target, targsize);
}
/*
* Decode base64-encoded 'src' into buffer 'target' of 'targsize' bytes.
* Will skip leading and trailing whitespace. Returns the number of bytes
* stored in 'target' or -1 on error (inc. targsize too small).
*/
int
uudecode(const char *src, u_char *target, size_t targsize)
{

View File

@ -1,4 +1,4 @@
/* $NetBSD: version.h,v 1.1.1.1 2009/06/07 22:19:31 christos Exp $ */
/* $OpenBSD: version.h,v 1.55 2009/02/23 00:06:15 djm Exp $ */
/* $NetBSD: version.h,v 1.1.1.2 2009/12/27 01:07:18 christos Exp $ */
/* $OpenBSD: version.h,v 1.56 2009/06/30 14:54:40 markus Exp $ */
#define SSH_VERSION "OpenSSH_5.2"
#define SSH_VERSION "OpenSSH_5.3"