[openssh-commits] [openssh] 01/03: upstream: adapt ssh_api.c code for kex-strict

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djm pushed a commit to branch master
in repository openssh.

commit 602f4beeeda5bb0eca181f8753d923a2997d0a51
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Tue Jan 9 21:39:14 2024 +0000

    upstream: adapt ssh_api.c code for kex-strict
    
    from markus@ ok me
    
    OpenBSD-Commit-ID: 4d9f256852af2a5b882b12cae9447f8f00f933ac
---
 ssh_api.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/ssh_api.c b/ssh_api.c
index d3c66176..fadf2f4b 100644
--- a/ssh_api.c
+++ b/ssh_api.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh_api.c,v 1.27 2021/04/03 06:18:41 djm Exp $ */
+/* $OpenBSD: ssh_api.c,v 1.28 2024/01/09 21:39:14 djm Exp $ */
 /*
  * Copyright (c) 2012 Markus Friedl.  All rights reserved.
  *
@@ -82,6 +82,7 @@ int
 ssh_init(struct ssh **sshp, int is_server, struct kex_params *kex_params)
 {
 	char *myproposal[PROPOSAL_MAX] = { KEX_CLIENT };
+	char *populated[PROPOSAL_MAX];
 	struct ssh *ssh;
 	char **proposal;
 	static int called;
@@ -99,10 +100,19 @@ ssh_init(struct ssh **sshp, int is_server, struct kex_params *kex_params)
 
 	/* Initialize key exchange */
 	proposal = kex_params ? kex_params->proposal : myproposal;
-	if ((r = kex_ready(ssh, proposal)) != 0) {
+	kex_proposal_populate_entries(ssh, populated,
+	    proposal[PROPOSAL_KEX_ALGS],
+	    proposal[PROPOSAL_ENC_ALGS_CTOS],
+	    proposal[PROPOSAL_MAC_ALGS_CTOS],
+	    proposal[PROPOSAL_COMP_ALGS_CTOS],
+	    proposal[PROPOSAL_SERVER_HOST_KEY_ALGS]);
+	r = kex_ready(ssh, populated);
+	kex_proposal_free_entries(populated);
+	if (r != 0) {
 		ssh_free(ssh);
 		return r;
 	}
+
 	ssh->kex->server = is_server;
 	if (is_server) {
 #ifdef WITH_OPENSSL

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