usr/src/libexec/bugfiler/bugfiler.c

/*
 * Copyright (c) 1983, 1986, 1987 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983, 1986, 1987 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)bugfiler.c  5.16 (Berkeley) 2/25/91";
#endif /* not lint */

/*
 * Bug report processing program, designed to be invoked
 * through aliases(5).
 */
#include <sys/param.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <dirent.h>
#include <pwd.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bug.h"

char    bfr[MAXBSIZE],                  /* general I/O buffer */
        tmpname[sizeof(TMP_BUG) + 5];   /* temp bug file */

main(argc, argv)
        int     argc;
        char    **argv;
{
        extern char     *optarg;        /* getopt arguments */
        register struct passwd  *pwd;   /* bugs password entry */
        register int    ch;             /* getopts char */
        int     do_ack,                 /* acknowledge bug report */
                do_redist;              /* redistribut BR */
        char    *argversion;            /* folder name provided */
        static void logit(), make_copy();

        do_ack = do_redist = YES;
        argversion = NULL;
        while ((ch = getopt(argc, argv, "av:r")) != EOF)
                switch((char)ch) {
                case 'a':
                        do_ack = NO;
                        break;
                case 'v':
                        argversion = optarg;
                        break;
                case 'r':
                        do_redist = NO;
                        break;
                case '?':
                default:
                        fputs("usage: bugfiler [-ar] [-v version]\n", stderr);
                        error("usage: bugfiler [-ar] [-v version]", CHN);
                }

        if (!(pwd = getpwnam(BUGS_ID)))
                error("can't find bugs login.", BUGS_ID);

        if (chdir(pwd->pw_dir))         /* change to bugs home directory */
                error("can't chdir to %s.", pwd->pw_dir);

        if (setreuid(0, pwd->pw_uid))
                error("can't set id to %s.", BUGS_ID);

        (void)umask(02);                /* everything is 664 */
        seterr();                       /* redirect to log file */
        logit();                        /* log report arrival */
        make_copy();                    /* save copy in case */
        gethead(do_redist);

        if (argversion)                 /* specific folder requested */
                (void)strcpy(dir, argversion);

        process();

        if (setuid(0))
                error("can't set id to root.", CHN);
        if (do_ack)
                reply();
        if (do_redist)
                redist();
        (void)unlink(tmpname);
        exit(OK);
}

/*
 * make_copy --
 *      make a copy of bug report in error folder
 */
static void
make_copy()
{
        register int    cnt,                    /* read return value */
                        tfd;                    /* temp file descriptor */
        char    *strcpy();

        if (access(TMP_DIR, F_OK))
                (void)mkdir(TMP_DIR, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH);
        (void)strcpy(tmpname, TMP_BUG);
        if (tfd = mkstemp(tmpname)) {
                while ((cnt = read(fileno(stdin), bfr, sizeof(bfr))) != ERR && cnt)
                        write(tfd, bfr, cnt);
                (void)close(tfd);
                return;
        }
        error("can't make copy using %s.", tmpname);
}

/*
 * logit --
 *      log this run of the bugfiler
 */
static void
logit()
{
        struct timeval  tp;
        char    *C1, *C2,
                *ctime();

        if (gettimeofday(&tp, (struct timezone *)NULL))
                error("can't get time of day.", CHN);
        for (C1 = C2 = ctime(&tp.tv_sec); *C1 && *C1 != '\n'; ++C1);
        *C1 = EOS;
        fputs(C2, stderr);
}