usr.sbin/sendmail/praliases/praliases.c

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988 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) 1988 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)praliases.c 5.5 (Berkeley) 6/1/90";
#endif /* not lint */

#include <sendmail.h>

typedef struct {
        char *dptr;
        int dsize;
} datum;


main(argc, argv)
        char **argv;
{
        extern char *optarg;
        extern int optind;
        static char *filename = "/usr/lib/aliases";
        datum content, key, firstkey(), nextkey(), fetch();
        int ch;

        while ((ch = getopt(argc, argv, "f:")) != EOF)
                switch((char)ch) {
                case 'f':
                        filename = optarg;
                        break;
                case '?':
                default:
                        fputs("usage: praliases [-f file]\n", stderr);
                        exit(EX_USAGE);
                }
        argc -= optind;
        argv += optind;

        if (dbminit(filename) < 0)
                exit(EX_OSFILE);
        if (!argc)
                for (key = firstkey(); key.dptr; key = nextkey(key)) {
                        content = fetch(key);
                        printf("%s:%s\n", key.dptr, content.dptr);
                }
        else for (; *argv; ++argv) {
                key.dptr = *argv;
                key.dsize = strlen(*argv) + 1;
                content = fetch(key);
                if (!content.dptr)
                        printf("%s: No such key\n", key.dptr);
                else
                        printf("%s:%s\n", key.dptr, content.dptr);
        }
        exit(EX_OK);
}