зеркало из https://github.com/Azure/sonic-openssh.git
upstream commit
apply PubkeyAcceptedKeyTypes filtering earlier, so all skipped keys are noted before pubkey authentication starts. ok dtucker@ Upstream-ID: ba4f52f54268a421a2a5f98bb375403f4cb044b8
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179c353f56
Коммит
e679c09cd1
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@ -1,4 +1,4 @@
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/* $OpenBSD: sshconnect2.c,v 1.227 2015/09/24 06:15:11 djm Exp $ */
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/* $OpenBSD: sshconnect2.c,v 1.228 2015/10/13 16:15:21 djm Exp $ */
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/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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* Copyright (c) 2008 Damien Miller. All rights reserved.
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@ -1328,7 +1328,20 @@ pubkey_prepare(Authctxt *authctxt)
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TAILQ_REMOVE(&files, id, next);
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TAILQ_INSERT_TAIL(preferred, id, next);
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}
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TAILQ_FOREACH(id, preferred, next) {
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/* finally, filter by PubkeyAcceptedKeyTypes */
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TAILQ_FOREACH_SAFE(id, preferred, next, id2) {
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if (id->key != NULL &&
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match_pattern_list(sshkey_ssh_name(id->key),
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options.pubkey_key_types, 0) != 1) {
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debug("Skipping %s key %s - "
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"not in PubkeyAcceptedKeyTypes",
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sshkey_ssh_name(id->key), id->filename);
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TAILQ_REMOVE(preferred, id, next);
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sshkey_free(id->key);
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free(id->filename);
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memset(id, 0, sizeof(*id));
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continue;
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}
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debug2("key: %s (%p),%s", id->filename, id->key,
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id->userprovided ? " explicit" : "");
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}
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@ -1356,12 +1369,6 @@ try_identity(Identity *id)
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{
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if (!id->key)
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return (0);
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if (match_pattern_list(sshkey_ssh_name(id->key),
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options.pubkey_key_types, 0) != 1) {
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debug("Skipping %s key %s for not in PubkeyAcceptedKeyTypes",
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sshkey_ssh_name(id->key), id->filename);
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return (0);
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}
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if (key_type_plain(id->key->type) == KEY_RSA &&
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(datafellows & SSH_BUG_RSASIGMD5) != 0) {
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debug("Skipped %s key %s for RSA/MD5 server",
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