InfoMagic Source Code 1993 July/THE_SOURCE_CODE_CD_ROM.iso/bsd_srcs/libexec/bugfiler/gethead.c

C/C++ Source or Header | 1991-04-12 | 4.6 KB | 161 lines

/*
 * Copyright (c) 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
static char sccsid[] = "@(#)gethead.c    5.10 (Berkeley) 3/7/91";
#endif /* not lint */

#include <sys/param.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pathnames.h"
#include "bug.h"

static int    chk1(), pbuf();

#define ENT(X)    sizeof(X) - 1, X
HEADER    mailhead[] = {                /* mail headers */
    { NO, YES,  NULL, ENT("Date:"), },
    { NO,  NO,  NULL, ENT("From "), },
    { NO, YES,  NULL, ENT("From:"), },
    { NO,  NO,  chk1, ENT("Index:"), },
    { NO, YES,  NULL, ENT("Message-Id:"), },
    { NO, YES,  NULL, ENT("Reply-To:"), },
    { NO, YES,  NULL, ENT("Return-Path:"), },
    { NO,  NO,  pbuf, ENT("Subject:"), },
    { NO, YES,  NULL, ENT("To:"), },
    { NO,  NO,  NULL, ENT("Apparently-To:"), },
    { ERR, }
};

FILE    *dfp;                /* distf file pointer */
char    dir[MAXNAMLEN],            /* subject and folder */
    folder[MAXNAMLEN];

/*
 * gethead --
 *    read mail and bug headers from bug report, construct redist headers
 */
gethead(redist)
    int    redist;
{
    register HEADER    *hp;        /* mail header pointer */

    if (redist) {
        int    fd;
        char    *distf;

        distf = strdup(_PATH_TMP);
        if (!(fd = mkstemp(distf)) || !(dfp = fdopen(fd, "w+")))
            error("can't create redistribution file %s.", distf);
        /* disappear after last reference is closed */
        (void)unlink(distf);
        free(distf);
    }
    if (!freopen(tmpname, "r", stdin))
        error("can't read temporary bug file %s.", tmpname);

    while (fgets(bfr, sizeof(bfr), stdin)) {
        for (hp = mailhead; hp->found != ERR; ++hp)
            if (!hp->found)
                if (!strncmp(hp->tag, bfr, hp->len)) {
                    if (hp->valid && !((*(hp->valid))(bfr)))
                        break;
                    if (!(hp->line = malloc((u_int)(strlen(bfr) + 1))))
                        error("malloc failed.", CHN);
                    (void)strcpy(hp->line, bfr);
                    hp->found = YES;
                    break;
                }
        if ((hp->found == ERR || hp->redist) && redist)
            fputs(bfr, dfp);
    }

    if (!mailhead[INDX_TAG].found)
        error("no readable \"Index:\" header in bug report.", CHN);
}

/*
 * chk1 --
 *    parse the "Index:" line into folder and directory
 */
static
chk1(line)
    char    *line;
{
    register char    *C;        /* tmp pointer */
    struct stat    sbuf;        /* existence check */
    char    *index();

    if (sscanf(line, " Index: %s %s ", folder, dir) != 2)
        return(NO);
    if (C = index(folder, '/')) {    /* deal with "bin/from.c" */
        if (C == folder)
            return(NO);
        *C = EOS;
    }
    if (stat(dir, &sbuf) || (sbuf.st_mode & S_IFMT) != S_IFDIR)
        return(NO);
    (void)pbuf(line);
    return(YES);
}

/*
 * pbuf --
 *    kludge so that summary file looks pretty
 */
static
pbuf(line)
    char    *line;
{
    register char    *rp,            /* tmp pointers */
            *wp;

    for (rp = line; *rp == ' ' || *rp == '\t'; ++rp);
    for (wp = line; *rp; ++wp) {
        if ((*wp = *rp++) != ' ' && *wp != '\t')
            continue;
        *wp = ' ';
        while (*rp == ' ' || *rp == '\t')
            ++rp;
    }
    if (wp[-1] == ' ')            /* wp can't == line */
        --wp;
    *wp = EOS;
    return(YES);
}