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upstream: support ProxyJump=none to disable ProxyJump 

functionality; bz#2869 ok dtucker@

OpenBSD-Commit-ID: 1c06ee08eb78451b5837fcfd8cbebc5ff3a67a01
This commit is contained in:
djm@openbsd.org 2018-05-22 00:13:26 +00:00 committed by Damien Miller
parent f41bcd70f5
commit 4b22fd8ece
1 changed files with 22 additions and 9 deletions
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31
readconf.c
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@ -1,4 +1,4 @@
/* $OpenBSD: readconf.c,v 1.286 2018/04/06 13:02:39 djm Exp $ */
/* $OpenBSD: readconf.c,v 1.287 2018/05/22 00:13:26 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -2072,6 +2072,12 @@ fill_default_options(Options * options)
CLEAR_ON_NONE(options->proxy_command);
CLEAR_ON_NONE(options->control_path);
CLEAR_ON_NONE(options->revoked_host_keys);
if (options->jump_host != NULL &&
strcmp(options->jump_host, "none") == 0 &&
options->jump_port == 0 && options->jump_user == NULL) {
free(options->jump_host);
options->jump_host = NULL;
}
/* options->identity_agent distinguishes NULL from 'none' */
/* options->user will be set in the main program if appropriate */
/* options->hostname will be set in the main program if appropriate */
@ -2300,6 +2306,8 @@ parse_jump(const char *s, Options *o, int active)
orig = sdup = xstrdup(s);
first = active;
do {
if (strcasecmp(s, "none") == 0)
break;
if ((cp = strrchr(sdup, ',')) == NULL)
cp = sdup; /* last */
else
@ -2320,14 +2328,19 @@ parse_jump(const char *s, Options *o, int active)
} while (cp != sdup);
/* success */
if (active) {
o->jump_user = user;
o->jump_host = host;
o->jump_port = port;
o->proxy_command = xstrdup("none");
user = host = NULL;
if ((cp = strrchr(s, ',')) != NULL && cp != s) {
o->jump_extra = xstrdup(s);
o->jump_extra[cp - s] = '\0';
if (strcasecmp(s, "none") == 0) {
o->jump_host = xstrdup("none");
o->jump_port = 0;
} else {
o->jump_user = user;
o->jump_host = host;
o->jump_port = port;
o->proxy_command = xstrdup("none");
user = host = NULL;
if ((cp = strrchr(s, ',')) != NULL && cp != s) {
o->jump_extra = xstrdup(s);
o->jump_extra[cp - s] = '\0';
}
}
}
ret = 0;