2 * Copyright (c) 1983, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 static char sccsid[] = "@(#)startdaemon.c 8.2 (Berkeley) 4/17/94";
36 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
37 __FBSDID("$FreeBSD$");
39 #include <sys/param.h>
40 #include <sys/socket.h>
50 #include "pathnames.h"
52 extern uid_t uid, euid;
55 * Tell the printer daemon that there are new files in the spool directory.
59 startdaemon(const struct printer *pp)
61 struct sockaddr_un un;
66 s = socket(PF_LOCAL, SOCK_STREAM, 0);
71 memset(&un, 0, sizeof(un));
72 un.sun_family = AF_LOCAL;
73 strcpy(un.sun_path, _PATH_SOCKETNAME);
75 #define SUN_LEN(unp) (strlen((unp)->sun_path) + 2)
78 connectres = connect(s, (struct sockaddr *)&un, SUN_LEN(&un));
81 warn("Unable to connect to %s", _PATH_SOCKETNAME);
82 warnx("Check to see if the master 'lpd' process is running.");
88 * Avoid overruns without putting artificial limitations on
91 if (writel(s, "\1", pp->printer, "\n", (char *)0) <= 0) {
96 if (read(s, &c, 1) == 1) {
97 if (c == '\0') { /* everything is OK */
103 while ((n = read(s, &c, 1)) > 0)