2 * Copyright (c) 2012 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #define REMOTE_MAXARGS 256
40 * Execute SSH_ORIGINAL_COMMAND if it matches
43 hammer_cmd_sshremote(const char *cmd, const char *target)
47 const char *av[REMOTE_MAXARGS + 1];
50 if ((env = getenv("SSH_ORIGINAL_COMMAND")) == NULL) {
51 fprintf(stderr, "SSH_ORIGINAL_COMMAND env missing\n");
62 str = strsep(&env, " \t\r\n");
64 fprintf(stderr, "hammer-remote: null command\n");
67 if (strstr(str, "hammer") == NULL) {
68 fprintf(stderr, "hammer-remote: Command not 'hammer'\n");
72 while (ac < REMOTE_MAXARGS) {
73 av[ac] = strsep(&env, " \t\r\n");
75 if (av[ac - 1] == NULL)
78 execv("/sbin/hammer", (void *)av);
79 fprintf(stderr, "hammer-remote: execv failed\n");