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openssh-portable
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upstream commit 

fix regression in 7.4 server-sig-algs, where we were
accidentally excluding SHA2 RSA signature methods. bz#2680, patch from Nuno
Goncalves; ok dtucker@

Upstream-ID: 81ac8bfb30960447740b9b8f6a214dcf322f12e8
This commit is contained in:
djm@openbsd.org 2017-03-10 04:07:20 +00:00 committed by Damien Miller
parent 66be4fe8c4
commit 183ba55aaa
4 changed files with 13 additions and 11 deletions
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4
kex.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kex.c,v 1.129 2017/03/10 03:45:40 dtucker Exp $ */
/* $OpenBSD: kex.c,v 1.130 2017/03/10 04:07:20 djm Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
*
@ -350,7 +350,7 @@ kex_send_ext_info(struct ssh *ssh)
int r;
char *algs;
if ((algs = sshkey_alg_list(0, 1, ',')) == NULL)
if ((algs = sshkey_alg_list(0, 1, 1, ',')) == NULL)
return SSH_ERR_ALLOC_FAIL;
if ((r = sshpkt_start(ssh, SSH2_MSG_EXT_INFO)) != 0 ||
(r = sshpkt_put_u32(ssh, 1)) != 0 ||

8
ssh.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssh.c,v 1.450 2017/03/08 12:07:47 djm Exp $ */
/* $OpenBSD: ssh.c,v 1.451 2017/03/10 04:07:20 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -684,11 +684,11 @@ main(int ac, char **av)
else if (strcmp(optarg, "kex") == 0)
cp = kex_alg_list('\n');
else if (strcmp(optarg, "key") == 0)
cp = sshkey_alg_list(0, 0, '\n');
cp = sshkey_alg_list(0, 0, 0, '\n');
else if (strcmp(optarg, "key-cert") == 0)
cp = sshkey_alg_list(1, 0, '\n');
cp = sshkey_alg_list(1, 0, 0, '\n');
else if (strcmp(optarg, "key-plain") == 0)
cp = sshkey_alg_list(0, 1, '\n');
cp = sshkey_alg_list(0, 1, 0, '\n');
else if (strcmp(optarg, "protocol-version") == 0) {
#ifdef WITH_SSH1
cp = xstrdup("1\n2");

8
sshkey.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sshkey.c,v 1.44 2017/03/10 03:48:57 dtucker Exp $ */
/* $OpenBSD: sshkey.c,v 1.45 2017/03/10 04:07:20 djm Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
* Copyright (c) 2008 Alexander von Gernler. All rights reserved.
@ -197,14 +197,16 @@ sshkey_ecdsa_nid_from_name(const char *name)
}
char *
sshkey_alg_list(int certs_only, int plain_only, char sep)
sshkey_alg_list(int certs_only, int plain_only, int include_sigonly, char sep)
{
char *tmp, *ret = NULL;
size_t nlen, rlen = 0;
const struct keytype *kt;
for (kt = keytypes; kt->type != -1; kt++) {
if (kt->name == NULL || kt->sigonly)
if (kt->name == NULL)
continue;
if (!include_sigonly && kt->sigonly)
continue;
if ((certs_only && !kt->cert) || (plain_only && kt->cert))
continue;

4
sshkey.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sshkey.h,v 1.14 2016/09/12 23:31:27 djm Exp $ */
/* $OpenBSD: sshkey.h,v 1.15 2017/03/10 04:07:20 djm Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
@ -156,7 +156,7 @@ int sshkey_ec_validate_private(const EC_KEY *);
const char *sshkey_ssh_name(const struct sshkey *);
const char *sshkey_ssh_name_plain(const struct sshkey *);
int sshkey_names_valid2(const char *, int);
char *sshkey_alg_list(int, int, char);
char *sshkey_alg_list(int, int, int, char);
int sshkey_from_blob(const u_char *, size_t, struct sshkey **);
int sshkey_fromb(struct sshbuf *, struct sshkey **);