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Annotation of 43BSDReno/usr.sbin/lpr/lprm/lprm.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted provided
                      6:  * that: (1) source distributions retain this entire copyright notice and
                      7:  * comment, and (2) distributions including binaries display the following
                      8:  * acknowledgement:  ``This product includes software developed by the
                      9:  * University of California, Berkeley and its contributors'' in the
                     10:  * documentation or other materials provided with the distribution and in
                     11:  * all advertising materials mentioning features or use of this software.
                     12:  * Neither the name of the University nor the names of its contributors may
                     13:  * be used to endorse or promote products derived from this software without
                     14:  * specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: char copyright[] =
                     22: "@(#) Copyright (c) 1983 Regents of the University of California.\n\
                     23:  All rights reserved.\n";
                     24: #endif /* not lint */
                     25: 
                     26: #ifndef lint
                     27: static char sccsid[] = "@(#)lprm.c     5.5 (Berkeley) 6/1/90";
                     28: #endif /* not lint */
                     29: 
                     30: /*
                     31:  * lprm - remove the current user's spool entry
                     32:  *
                     33:  * lprm [-] [[job #] [user] ...]
                     34:  *
                     35:  * Using information in the lock file, lprm will kill the
                     36:  * currently active daemon (if necessary), remove the associated files,
                     37:  * and startup a new daemon.  Priviledged users may remove anyone's spool
                     38:  * entries, otherwise one can only remove their own.
                     39:  */
                     40: 
                     41: #include "lp.h"
                     42: 
                     43: /*
                     44:  * Stuff for handling job specifications
                     45:  */
                     46: char   *user[MAXUSERS];        /* users to process */
                     47: int    users;                  /* # of users in user array */
                     48: int    requ[MAXREQUESTS];      /* job number of spool entries */
                     49: int    requests;               /* # of spool requests */
                     50: char   *person;                /* name of person doing lprm */
                     51: 
                     52: static char    luser[16];      /* buffer for person */
                     53: 
                     54: struct passwd *getpwuid();
                     55: 
                     56: main(argc, argv)
                     57:        char *argv[];
                     58: {
                     59:        register char *arg;
                     60:        struct passwd *p;
                     61:        struct direct **files;
                     62:        int nitems, assasinated = 0;
                     63: 
                     64:        name = argv[0];
                     65:        gethostname(host, sizeof(host));
                     66:        openlog("lpd", 0, LOG_LPR);
                     67:        if ((p = getpwuid(getuid())) == NULL)
                     68:                fatal("Who are you?");
                     69:        if (strlen(p->pw_name) >= sizeof(luser))
                     70:                fatal("Your name is too long");
                     71:        strcpy(luser, p->pw_name);
                     72:        person = luser;
                     73:        while (--argc) {
                     74:                if ((arg = *++argv)[0] == '-')
                     75:                        switch (arg[1]) {
                     76:                        case 'P':
                     77:                                if (arg[2])
                     78:                                        printer = &arg[2];
                     79:                                else if (argc > 1) {
                     80:                                        argc--;
                     81:                                        printer = *++argv;
                     82:                                }
                     83:                                break;
                     84:                        case '\0':
                     85:                                if (!users) {
                     86:                                        users = -1;
                     87:                                        break;
                     88:                                }
                     89:                        default:
                     90:                                usage();
                     91:                        }
                     92:                else {
                     93:                        if (users < 0)
                     94:                                usage();
                     95:                        if (isdigit(arg[0])) {
                     96:                                if (requests >= MAXREQUESTS)
                     97:                                        fatal("Too many requests");
                     98:                                requ[requests++] = atoi(arg);
                     99:                        } else {
                    100:                                if (users >= MAXUSERS)
                    101:                                        fatal("Too many users");
                    102:                                user[users++] = arg;
                    103:                        }
                    104:                }
                    105:        }
                    106:        if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
                    107:                printer = DEFLP;
                    108: 
                    109:        rmjob();
                    110: }
                    111: 
                    112: static
                    113: usage()
                    114: {
                    115:        printf("usage: lprm [-] [-Pprinter] [[job #] [user] ...]\n");
                    116:        exit(2);
                    117: }

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