2 * Copyright (c) 2014 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
48 sreplace(char **strp, const char *orig)
62 *strp = strdup(*strp);
72 for (i = 0; ary[i]; ++i)
87 for (i = 0; ary[i]; ++i)
89 nary = calloc(sizeof(char *), i + 1);
90 bcopy(ary, nary, sizeof(char *) * (i + 1));
91 for (i = 0; nary[i]; ++i)
92 nary[i] = strdup(nary[i]);
98 * Sets up the pidfile and unix domain socket. We do not yet know the
99 * pid to store in the pidfile.
102 setup_pid_and_socket(command_t *cmd, int *lfdp, int *pfdp)
104 struct sockaddr_un sou;
109 * Create and test the pidfile.
111 asprintf(&pidfile, "%s/service.%s.pid", cmd->piddir, cmd->label);
113 *pfdp = open(pidfile, O_RDWR|O_CREAT|O_EXLOCK|O_NONBLOCK, 0640);
116 if (errno == EWOULDBLOCK) {
117 fprintf(cmd->fp, "Cannot init, %s is already active\n",
121 "Cannot init, unable to create \"%s\": %s\n",
130 * Create the unix-domain socket.
132 bzero(&sou, sizeof(sou));
133 if ((*lfdp = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0) {
134 sou.sun_family = AF_UNIX;
135 snprintf(sou.sun_path, sizeof(sou.sun_path),
136 "%s/service.%s.sk", cmd->piddir, cmd->label);
137 len = strlen(sou.sun_path);
138 len = offsetof(struct sockaddr_un, sun_path[len+1]);
140 /* remove stale file before trying to bind */
141 remove(sou.sun_path);
143 if (bind(*lfdp, (void *)&sou, len) < 0) {
144 fprintf(cmd->fp, "Unable to bind \"%s\"\n",
148 } else if (listen(*lfdp, 32) < 0) {
149 fprintf(cmd->fp, "Unable to listen on \"%s\"\n",
155 fprintf(cmd->fp, "Unable to create unix-domain socket\n");
168 remove_pid_and_socket(command_t *cmd, const char *label)
170 char *pidpath, *skpath;
172 asprintf(&pidpath, "%s/service.%s.pid", cmd->piddir, label);
174 asprintf(&skpath, "%s/service.%s.sk", cmd->piddir, label);