mirror of git://anongit.mindrot.org/openssh.git
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/*
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* Copyright (c) 1999 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Markus Friedl.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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RCSID("$Id: compat.c,v 1.7 2000/04/12 10:17:39 damien Exp $");
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#include "ssh.h"
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#include "packet.h"
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#include "xmalloc.h"
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#include "compat.h"
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int compat13 = 0;
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int compat20 = 0;
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int datafellows = 0;
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void
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enable_compat20(void)
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{
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verbose("Enabling compatibility mode for protocol 2.0");
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compat20 = 1;
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packet_set_ssh2_format();
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}
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void
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enable_compat13(void)
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{
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verbose("Enabling compatibility mode for protocol 1.3");
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compat13 = 1;
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}
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/* datafellows bug compatibility */
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void
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compat_datafellows(const char *version)
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{
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int i;
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size_t len;
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static const char *check[] = {
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"2.0.1",
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"2.1.0",
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NULL
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};
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for (i = 0; check[i]; i++) {
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len = strlen(check[i]);
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if (strlen(version) >= len &&
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(strncmp(version, check[i], len) == 0)) {
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verbose("datafellows: %.200s", version);
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datafellows = 1;
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return;
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}
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}
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}
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#define SEP ","
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int
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proto_spec(const char *spec)
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{
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char *s = xstrdup(spec);
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char *p;
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int ret = SSH_PROTO_UNKNOWN;
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for ((p = strtok(s, SEP)); p; (p = strtok(NULL, SEP))) {
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switch(atoi(p)) {
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case 1:
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if (ret == SSH_PROTO_UNKNOWN)
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ret |= SSH_PROTO_1_PREFERRED;
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ret |= SSH_PROTO_1;
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break;
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case 2:
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ret |= SSH_PROTO_2;
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break;
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default:
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log("ignoring bad proto spec: '%s'.", p);
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break;
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}
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}
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xfree(s);
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return ret;
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}
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