usr.sbin/sendmail/mailstats/mailstats.c

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988, 1993
 *      The 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 copyright[] =
"@(#) Copyright (c) 1988, 1993\n\
        The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)mailstats.c 8.2 (Berkeley) 7/27/93";
#endif /* not lint */

#include <sendmail.h>
#include <mailstats.h>
#include <pathnames.h>

#define MNAMELEN        20      /* max length of mailer name */

main(argc, argv)
        int argc;
        char **argv;
{
        extern char *optarg;
        extern int optind;
        struct statistics stat;
        register int i;
        int mno;
        int ch, fd;
        char *sfile;
        char *cfile;
        FILE *cfp;
        bool mnames;
        char mtable[MAXMAILERS][MNAMELEN+1];
        char sfilebuf[100];
        char buf[MAXLINE];
        extern char *ctime();

        cfile = _PATH_SENDMAILCF;
        sfile = NULL;
        mnames = TRUE;
        while ((ch = getopt(argc, argv, "C:f:o")) != EOF)
        {
                switch (ch)
                {
                  case 'C':
                        cfile = optarg;
                        break;

                  case 'f':
                        sfile = optarg;
                        break;

                  case 'o':
                        mnames = FALSE;
                        break;

                  case '?':
                  default:
  usage:
                        fputs("usage: mailstats [-C cffile] [-f stfile]\n", stderr);
                        exit(EX_USAGE);
                }
        }
        argc -= optind;
        argv += optind;

        if (argc != 0)
                goto usage;

        if ((cfp = fopen(cfile, "r")) == NULL)
        {
                fprintf(stderr, "mailstats: ");
                perror(cfile);
                exit(EX_NOINPUT);
        }

        mno = 0;
        (void) strcpy(mtable[mno++], "prog");
        (void) strcpy(mtable[mno++], "*file*");
        (void) strcpy(mtable[mno++], "*include*");

        while (fgets(buf, sizeof(buf), cfp) != NULL)
        {
                register char *b;
                char *s;
                register char *m;

                b = buf;
                switch (*b++)
                {
                  case 'M':             /* mailer definition */
                        break;

                  case 'O':             /* option -- see if .st file */
                        if (*b++ != 'S')
                                continue;

                        /* yep -- save this */
                        strcpy(sfilebuf, b);
                        b = strchr(sfilebuf, '\n');
                        if (b != NULL)
                                *b = '\0';
                        if (sfile == NULL)
                                sfile = sfilebuf;

                  default:
                        continue;
                }

                if (mno >= MAXMAILERS)
                {
                        fprintf(stderr,
                                "Too many mailers defined, %d max.\n",
                                MAXMAILERS);
                        exit(EX_SOFTWARE);
                }
                m = mtable[mno];
                s = m + MNAMELEN;               /* is [MNAMELEN+1] */
                while (*b != ',' && !isspace(*b) && *b != '\0' && m < s)
                        *m++ = *b++;
                *m = '\0';
                for (i = 0; i < mno; i++)
                {
                        if (strcmp(mtable[i], mtable[mno]) == 0)
                                break;
                }
                if (i == mno)
                        mno++;
        }
        (void) fclose(cfp);
        for (; mno < MAXMAILERS; mno++)
                mtable[mno][0]='\0';

        if (sfile == NULL)
        {
                fprintf(stderr, "mailstats: no statistics file located\n");
                exit (EX_OSFILE);
        }

        if ((fd = open(sfile, O_RDONLY)) < 0) {
                fputs("mailstats: ", stderr);
                perror(sfile);
                exit(EX_NOINPUT);
        }
        if (read(fd, &stat, sizeof(stat)) != sizeof(stat) ||
            stat.stat_size != sizeof(stat))
        {
                fputs("mailstats: file size changed.\n", stderr);
                exit(EX_OSERR);
        }

        printf("Statistics from %s", ctime(&stat.stat_itime));
        printf(" M msgsfr bytes_from  msgsto   bytes_to%s\n",
                mnames ? "  Mailer" : "");
        for (i = 0; i < MAXMAILERS; i++)
        {
                if (stat.stat_nf[i] || stat.stat_nt[i])
                {
                        printf("%2d %6ld %10ldK %6ld %10ldK", i,
                            stat.stat_nf[i], stat.stat_bf[i],
                            stat.stat_nt[i], stat.stat_bt[i]);
                        if (mnames)
                                printf("  %s", mtable[i]);
                        printf("\n");
                }
        }
        exit(EX_OK);
}