Return to implogd.c CVS log

Up to [CSRG BSD Unix] / 43BSDReno / usr.sbin / implogd

Annotation of 43BSDReno/usr.sbin/implogd/implogd.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983, 1988 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, 1988 Regents of the University of California.\n\
        !            23:  All rights reserved.\n";
        !            24: #endif /* not lint */
        !            25: 
        !            26: #ifndef lint
        !            27: static char sccsid[] = "@(#)implogd.c  5.9 (Berkeley) 6/1/90";
        !            28: #endif /* not lint */
        !            29: 
        !            30: #include <sys/param.h>
        !            31: #include <sys/time.h>
        !            32: #include <sys/socket.h>
        !            33: #include <sys/syslog.h>
        !            34: #include <sys/file.h>
        !            35: 
        !            36: #include <net/if.h>
        !            37: 
        !            38: #include <netinet/in.h>
        !            39: #include <netimp/if_imp.h>
        !            40: 
        !            41: #include <sgtty.h>
        !            42: #include "pathnames.h"
        !            43: 
        !            44: /*
        !            45:  * Socket address, internet style, with
        !            46:  * unused space taken by timestamp and packet
        !            47:  * size.
        !            48:  */
        !            49: struct sockstamp {
        !            50:        short   sin_family;
        !            51:        u_short sin_port;
        !            52:        struct  in_addr sin_addr;
        !            53:        time_t  sin_time;
        !            54:        int     sin_len;
        !            55: };
        !            56: 
        !            57: main()
        !            58: {
        !            59:        register int len, log, s;
        !            60:        struct sockstamp from;
        !            61:        int fromlen;
        !            62:        u_char request[1024];
        !            63:        time_t time();
        !            64: 
        !            65:        openlog("implogd", LOG_PID|LOG_ODELAY|LOG_PERROR, LOG_DAEMON);
        !            66:        log = open(_PATH_IMPLOG, O_CREAT|O_WRONLY|O_APPEND, 0644);
        !            67:        if (log < 0) {
        !            68:                syslog(LOG_ERR, "%s: %m\n", _PATH_IMPLOG);
        !            69:                exit(1);
        !            70:        }
        !            71:        from.sin_time = time((time_t *)NULL);
        !            72:        from.sin_len = sizeof(time_t);
        !            73:        (void)write(log, (char *)&from, sizeof(from));
        !            74:        if ((s = socket(AF_IMPLINK, SOCK_RAW, 0)) < 0) {
        !            75:                syslog(LOG_ERR, "socket: %m\n");
        !            76:                exit(1);
        !            77:        }
        !            78: #ifndef DEBUG
        !            79:        {
        !            80:                register int i, tt;
        !            81: 
        !            82:                if (fork())
        !            83:                        exit(0);
        !            84:                for (i = 0; i < 10; i++)
        !            85:                        if (i != log && i != s)
        !            86:                                (void) close(i);
        !            87:                (void) open("/", O_RDONLY, 0);
        !            88:                (void) dup2(0, 1);
        !            89:                (void) dup2(0, 2);
        !            90:                tt = open(_PATH_TTY, O_RDWR, 0);
        !            91:                if (tt > 0) {
        !            92:                        ioctl(tt, TIOCNOTTY, 0);
        !            93:                        (void)close(tt);
        !            94:                }
        !            95:        }
        !            96: #endif
        !            97:        for (fromlen = sizeof(from);;) {
        !            98:                len = recvfrom(s, request, sizeof(request), 0,
        !            99:                    &from, &fromlen);
        !           100:                if (len < 0) {
        !           101:                        syslog(LOG_ERR, "recvfrom: %m\n");
        !           102:                        continue;
        !           103:                }
        !           104:                if (len == 0 || len > IMPMTU)           /* sanity */
        !           105:                        continue;
        !           106:                from.sin_len = len;
        !           107:                from.sin_time = time((time_t *)NULL);
        !           108:                (void)write(log, (char *)&from, sizeof(from));
        !           109:                (void)write(log, request, len);
        !           110:        }
        !           111:        /*NOTREACHED*/
        !           112: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.