1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static char copyright[] = 37 "@(#) Copyright (c) 1983, 1993\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 static char sccsid[] = "@(#)lpq.c 8.3 (Berkeley) 5/10/95"; 43 #endif /* not lint */ 44 45 /* 46 * Spool Queue examination program 47 * 48 * lpq [-a] [-l] [-Pprinter] [user...] [job...] 49 * 50 * -a show all non-null queues on the local machine 51 * -l long output 52 * -P used to identify printer as per lpr/lprm 53 */ 54 55 #include <sys/param.h> 56 57 #include <syslog.h> 58 #include <dirent.h> 59 #include <unistd.h> 60 #include <stdlib.h> 61 #include <stdio.h> 62 #include <ctype.h> 63 #include "lp.h" 64 #include "lp.local.h" 65 #include "pathnames.h" 66 67 int requ[MAXREQUESTS]; /* job number of spool entries */ 68 int requests; /* # of spool requests */ 69 char *user[MAXUSERS]; /* users to process */ 70 int users; /* # of users in user array */ 71 72 static int ckqueue __P((char *)); 73 void usage __P((void)); 74 75 int 76 main(argc, argv) 77 register int argc; 78 register char **argv; 79 { 80 extern char *optarg; 81 extern int optind; 82 int ch, aflag, lflag; 83 char *buf, *cp; 84 85 name = *argv; 86 if (gethostname(host, sizeof(host))) { 87 perror("lpq: gethostname"); 88 exit(1); 89 } 90 openlog("lpd", 0, LOG_LPR); 91 92 aflag = lflag = 0; 93 while ((ch = getopt(argc, argv, "alP:")) != EOF) 94 switch((char)ch) { 95 case 'a': 96 ++aflag; 97 break; 98 case 'l': /* long output */ 99 ++lflag; 100 break; 101 case 'P': /* printer name */ 102 printer = optarg; 103 break; 104 case '?': 105 default: 106 usage(); 107 } 108 109 if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL) 110 printer = DEFLP; 111 112 for (argc -= optind, argv += optind; argc; --argc, ++argv) 113 if (isdigit(argv[0][0])) { 114 if (requests >= MAXREQUESTS) 115 fatal("too many requests"); 116 requ[requests++] = atoi(*argv); 117 } 118 else { 119 if (users >= MAXUSERS) 120 fatal("too many users"); 121 user[users++] = *argv; 122 } 123 124 if (aflag) { 125 while (cgetnext(&buf, printcapdb) > 0) { 126 if (ckqueue(buf) <= 0) { 127 free(buf); 128 continue; /* no jobs */ 129 } 130 for (cp = buf; *cp; cp++) 131 if (*cp == '|' || *cp == ':') { 132 *cp = '\0'; 133 break; 134 } 135 printer = buf; 136 printf("%s:\n", printer); 137 displayq(lflag); 138 free(buf); 139 printf("\n"); 140 } 141 } else 142 displayq(lflag); 143 exit(0); 144 } 145 146 static int 147 ckqueue(cap) 148 char *cap; 149 { 150 register struct dirent *d; 151 DIR *dirp; 152 char *spooldir; 153 154 if (cgetstr(cap, "sd", &spooldir) == -1) 155 spooldir = _PATH_DEFSPOOL; 156 if ((dirp = opendir(spooldir)) == NULL) 157 return (-1); 158 while ((d = readdir(dirp)) != NULL) { 159 if (d->d_name[0] != 'c' || d->d_name[1] != 'f') 160 continue; /* daemon control files only */ 161 closedir(dirp); 162 return (1); /* found something */ 163 } 164 closedir(dirp); 165 return (0); 166 } 167 168 void 169 usage() 170 { 171 puts("usage: lpq [-a] [-l] [-Pprinter] [user ...] [job ...]"); 172 exit(1); 173 } 174