NetBSD/usr.sbin/sendmail/mailstats/mailstats.c

248 lines
6.0 KiB
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 8.10 (Berkeley) 5/30/97";
#endif /* not lint */
#define NOT_SENDMAIL
#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;
long frmsgs = 0, frbytes = 0, tomsgs = 0, tobytes = 0;
char mtable[MAXMAILERS][MNAMELEN+1];
char sfilebuf[MAXLINE];
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] -o\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 (strncasecmp(b, " StatusFile", 11) == 0 &&
!isalnum(b[11]))
{
/* new form -- find value */
b = strchr(b, '=');
if (b == NULL)
continue;
while (isspace(*++b))
continue;
}
else if (*b++ != 'S')
{
/* something else boring */
continue;
}
/* this is the S or StatusFile option -- save it */
if (strlen(b) >= sizeof sfilebuf)
{
fprintf(stderr,
"StatusFile filename too long: %.30s...\n",
s);
exit(EX_CONFIG);
}
strcpy(sfilebuf, b);
b = strchr(sfilebuf, '#');
if (b == NULL)
b = strchr(sfilebuf, '\n');
if (b == NULL)
b = &sfilebuf[strlen(sfilebuf)];
while (isspace(*--b))
continue;
*++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 ||
(i = read(fd, &stat, sizeof stat)) < 0)
{
fputs("mailstats: ", stderr);
perror(sfile);
exit(EX_NOINPUT);
}
if (i == 0)
{
sleep(1);
i = read(fd, &stat, sizeof stat);
if (i == 0)
{
bzero((ARBPTR_T) &stat, sizeof stat);
(void) time(&stat.stat_itime);
}
}
else if (i != 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");
frmsgs += stat.stat_nf[i];
frbytes += stat.stat_bf[i];
tomsgs += stat.stat_nt[i];
tobytes += stat.stat_bt[i];
}
}
printf("========================================\n");
printf(" T %6ld %10ldK %6ld %10ldK\n",
frmsgs, frbytes, tomsgs, tobytes);
exit(EX_OK);
}