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upstream: prefix keyboard interactive prompts with (user@host) to 

make it easier to determine which connection they are associated with in
cases like scp -3, ProxyJump, etc. bz#3224 ok dtucker

OpenBSD-Commit-ID: 67e6189b04b46c867662f8a6759cf3ecb5f59170
This commit is contained in:
djm@openbsd.org 2020-11-13 04:53:12 +00:00 committed by Damien Miller
parent 2992e4e701
commit 5442b491d0
1 changed files with 12 additions and 7 deletions
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19
sshconnect2.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sshconnect2.c,v 1.334 2020/11/08 22:37:24 djm Exp $ */
/* $OpenBSD: sshconnect2.c,v 1.335 2020/11/13 04:53:12 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
* Copyright (c) 2008 Damien Miller. All rights reserved.
@ -1886,15 +1886,15 @@ input_userauth_info_req(int type, u_int32_t seq, struct ssh *ssh)
{
Authctxt *authctxt = ssh->authctxt;
char *name = NULL, *inst = NULL, *lang = NULL, *prompt = NULL;
char *response = NULL;
char *display_prompt = NULL, *response = NULL;
u_char echo = 0;
u_int num_prompts, i;
int r;
debug2("input_userauth_info_req");
debug2_f("entering");
if (authctxt == NULL)
fatal("input_userauth_info_req: no authentication context");
fatal_f("no authentication context");
authctxt->info_req_seen = 1;
@ -1919,17 +1919,21 @@ input_userauth_info_req(int type, u_int32_t seq, struct ssh *ssh)
(r = sshpkt_put_u32(ssh, num_prompts)) != 0)
goto out;
debug2("input_userauth_info_req: num_prompts %d", num_prompts);
debug2_f("num_prompts %d", num_prompts);
for (i = 0; i < num_prompts; i++) {
if ((r = sshpkt_get_cstring(ssh, &prompt, NULL)) != 0 ||
(r = sshpkt_get_u8(ssh, &echo)) != 0)
goto out;
response = read_passphrase(prompt, echo ? RP_ECHO : 0);
xasprintf(&display_prompt, "(%s@%s) %s",
authctxt->server_user, options.host_key_alias ?
options.host_key_alias : authctxt->host, prompt);
response = read_passphrase(display_prompt, echo ? RP_ECHO : 0);
if ((r = sshpkt_put_cstring(ssh, response)) != 0)
goto out;
freezero(response, strlen(response));
free(prompt);
response = prompt = NULL;
free(display_prompt);
display_prompt = response = prompt = NULL;
}
/* done with parsing incoming message. */
if ((r = sshpkt_get_end(ssh)) != 0 ||
@ -1940,6 +1944,7 @@ input_userauth_info_req(int type, u_int32_t seq, struct ssh *ssh)
if (response)
freezero(response, strlen(response));
free(prompt);
free(display_prompt);
free(name);
free(inst);
free(lang);