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upstream: Warn if no host keys for hostbased auth can be loaded. 

OpenBSD-Commit-ID: 2a0a13132000cf8d3593133c1b49768aa3c95977
This commit is contained in:
dtucker@openbsd.org 2022-12-09 00:22:29 +00:00 committed by Darren Tucker
parent a6183e25e3
commit 4403b62f55
No known key found for this signature in database
1 changed files with 12 additions and 3 deletions
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15
ssh.c
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@ -1,4 +1,4 @@
/* $OpenBSD: ssh.c,v 1.580 2022/11/09 00:15:59 djm Exp $ */
/* $OpenBSD: ssh.c,v 1.581 2022/12/09 00:22:29 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1581,6 +1581,8 @@ main(int ac, char **av)
sensitive_data.nkeys = 0;
sensitive_data.keys = NULL;
if (options.hostbased_authentication) {
int loaded = 0;
sensitive_data.nkeys = 10;
sensitive_data.keys = xcalloc(sensitive_data.nkeys,
sizeof(*sensitive_data.keys));
@ -1591,18 +1593,22 @@ main(int ac, char **av)
fatal_f("pubkey out of array bounds"); \
check_load(sshkey_load_public(p, &(sensitive_data.keys[o]), NULL), \
&(sensitive_data.keys[o]), p, "pubkey"); \
if (sensitive_data.keys[o] != NULL) \
if (sensitive_data.keys[o] != NULL) { \
debug2("hostbased key %d: %s key from \"%s\"", o, \
sshkey_ssh_name(sensitive_data.keys[o]), p); \
loaded++; \
} \
} while (0)
#define L_CERT(p,o) do { \
if ((o) >= sensitive_data.nkeys) \
fatal_f("cert out of array bounds"); \
check_load(sshkey_load_cert(p, &(sensitive_data.keys[o])), \
&(sensitive_data.keys[o]), p, "cert"); \
if (sensitive_data.keys[o] != NULL) \
if (sensitive_data.keys[o] != NULL) { \
debug2("hostbased key %d: %s cert from \"%s\"", o, \
sshkey_ssh_name(sensitive_data.keys[o]), p); \
loaded++; \
} \
} while (0)
if (options.hostbased_authentication == 1) {
@ -1616,6 +1622,9 @@ main(int ac, char **av)
L_PUBKEY(_PATH_HOST_DSA_KEY_FILE, 7);
L_CERT(_PATH_HOST_XMSS_KEY_FILE, 8);
L_PUBKEY(_PATH_HOST_XMSS_KEY_FILE, 9);
if (loaded == 0)
debug("HostbasedAuthentication enabled but no "
"local public host keys could be loaded.");
}
}