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d0aeaf5a | 1 | /* |
ed554bc5 | 2 | * Copyright (c) 1983, 1993, 1994 |
ad787160 | 3 | * The Regents of the University of California. All rights reserved. |
9d85c861 | 4 | * |
c0567266 KB |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
d0aeaf5a DF |
32 | */ |
33 | ||
5f84f8f0 | 34 | #ifndef lint |
ed554bc5 | 35 | static char sccsid[] = "@(#)startdaemon.c 8.2 (Berkeley) 4/17/94"; |
9d85c861 | 36 | #endif /* not lint */ |
5f84f8f0 | 37 | |
c6e2cb21 | 38 | |
327673b2 | 39 | #include <sys/param.h> |
8fed920b RC |
40 | #include <sys/socket.h> |
41 | #include <sys/un.h> | |
327673b2 KB |
42 | |
43 | #include <dirent.h> | |
44 | #include <errno.h> | |
7abf8d65 | 45 | #include <stdio.h> |
327673b2 KB |
46 | #include <unistd.h> |
47 | #include <string.h> | |
48 | #include "lp.h" | |
7abf8d65 | 49 | #include "pathnames.h" |
c6e2cb21 | 50 | |
327673b2 KB |
51 | static void perr __P((char *)); |
52 | ||
53 | /* | |
54 | * Tell the printer daemon that there are new files in the spool directory. | |
55 | */ | |
56 | ||
57 | int | |
8fed920b RC |
58 | startdaemon(printer) |
59 | char *printer; | |
c6e2cb21 | 60 | { |
3ae6e11b | 61 | struct sockaddr_un un; |
8fed920b | 62 | register int s, n; |
c6e2cb21 RC |
63 | char buf[BUFSIZ]; |
64 | ||
8fed920b RC |
65 | s = socket(AF_UNIX, SOCK_STREAM, 0); |
66 | if (s < 0) { | |
67 | perr("socket"); | |
68 | return(0); | |
69 | } | |
ed554bc5 | 70 | memset(&un, 0, sizeof(un)); |
3ae6e11b CT |
71 | un.sun_family = AF_UNIX; |
72 | strcpy(un.sun_path, _PATH_SOCKETNAME); | |
af885b9d CT |
73 | #ifndef SUN_LEN |
74 | #define SUN_LEN(unp) (strlen((unp)->sun_path) + 2) | |
75 | #endif | |
76 | if (connect(s, (struct sockaddr *)&un, SUN_LEN(&un)) < 0) { | |
8fed920b RC |
77 | perr("connect"); |
78 | (void) close(s); | |
c6e2cb21 | 79 | return(0); |
f545660a | 80 | } |
c6e2cb21 | 81 | (void) sprintf(buf, "\1%s\n", printer); |
8fed920b RC |
82 | n = strlen(buf); |
83 | if (write(s, buf, n) != n) { | |
84 | perr("write"); | |
85 | (void) close(s); | |
c6e2cb21 RC |
86 | return(0); |
87 | } | |
8fed920b RC |
88 | if (read(s, buf, 1) == 1) { |
89 | if (buf[0] == '\0') { /* everything is OK */ | |
90 | (void) close(s); | |
91 | return(1); | |
92 | } | |
93 | putchar(buf[0]); | |
c6e2cb21 | 94 | } |
8fed920b RC |
95 | while ((n = read(s, buf, sizeof(buf))) > 0) |
96 | fwrite(buf, 1, n, stdout); | |
97 | (void) close(s); | |
98 | return(0); | |
c6e2cb21 | 99 | } |
f545660a | 100 | |
b681f416 | 101 | static void |
8fed920b RC |
102 | perr(msg) |
103 | char *msg; | |
f545660a | 104 | { |
7af1139d | 105 | extern char *name; |
f545660a | 106 | |
7af1139d | 107 | (void)printf("%s: %s: %s\n", name, msg, strerror(errno)); |
f545660a | 108 | } |