2 * Copyright (c) 1999 Markus Friedl. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. All advertising materials mentioning features or use of this software
13 * must display the following acknowledgement:
14 * This product includes software developed by Markus Friedl.
15 * 4. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 verbose("Enabling compatibility mode for protocol 2.0");
47 packet_set_ssh2_format();
52 verbose("Enabling compatibility mode for protocol 1.3");
55 /* datafellows bug compatibility */
57 compat_datafellows(const char *version)
61 static const char *check[] = {
66 for (i = 0; check[i]; i++) {
67 len = strlen(check[i]);
68 if (strlen(version) >= len &&
69 (strncmp(version, check[i], len) == 0)) {
70 verbose("datafellows: %.200s", version);
79 proto_spec(const char *spec)
81 char *s = xstrdup(spec);
83 int ret = SSH_PROTO_UNKNOWN;
85 for ((p = strtok(s, SEP)); p; (p = strtok(NULL, SEP))) {
88 if (ret == SSH_PROTO_UNKNOWN)
89 ret |= SSH_PROTO_1_PREFERRED;
96 log("ignoring bad proto spec: '%s'.", p);