NetBSD/gnu/dist/sendmail/mailstats/mailstats.c

317 lines
6.8 KiB
C

/*
* Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1983 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.\n\
All rights reserved.\n\
Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* ! lint */
#ifndef lint
static char id[] = "@(#)Id: mailstats.c,v 8.53.16.11 2000/09/17 17:04:26 gshapiro Exp";
#endif /* ! lint */
#include <unistd.h>
#include <stddef.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <time.h>
#ifdef EX_OK
# undef EX_OK /* unistd.h may have another use for this */
#endif /* EX_OK */
#include <sysexits.h>
#include <sendmail/sendmail.h>
#include <sendmail/mailstats.h>
#include <sendmail/pathnames.h>
#define MNAMELEN 20 /* max length of mailer name */
int
main(argc, argv)
int argc;
char **argv;
{
register int i;
int mno;
int save_errno;
int ch, fd;
char *sfile;
char *cfile;
FILE *cfp;
bool mnames;
bool progmode;
long frmsgs = 0, frbytes = 0, tomsgs = 0, tobytes = 0, rejmsgs = 0;
long dismsgs = 0;
time_t now;
char mtable[MAXMAILERS][MNAMELEN + 1];
char sfilebuf[MAXLINE];
char buf[MAXLINE];
struct statistics stats;
extern char *ctime();
extern char *optarg;
extern int optind;
cfile = _PATH_SENDMAILCF;
sfile = NULL;
mnames = TRUE;
progmode = FALSE;
while ((ch = getopt(argc, argv, "C:f:op")) != -1)
{
switch (ch)
{
case 'C':
cfile = optarg;
break;
case 'f':
sfile = optarg;
break;
case 'o':
mnames = FALSE;
break;
case 'p':
progmode = TRUE;
break;
case '?':
default:
usage:
(void) fputs("usage: mailstats [-C cffile] [-f stfile] [-o] [-p]\n",
stderr);
exit(EX_USAGE);
}
}
argc -= optind;
argv += optind;
if (argc != 0)
goto usage;
if ((cfp = fopen(cfile, "r")) == NULL)
{
save_errno = errno;
fprintf(stderr, "mailstats: ");
errno = save_errno;
perror(cfile);
exit(EX_NOINPUT);
}
mno = 0;
(void) strlcpy(mtable[mno++], "prog", MNAMELEN + 1);
(void) strlcpy(mtable[mno++], "*file*", MNAMELEN + 1);
(void) strlcpy(mtable[mno++], "*include*", MNAMELEN + 1);
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 &&
!(isascii(b[11]) && isalnum(b[11])))
{
/* new form -- find value */
b = strchr(b, '=');
if (b == NULL)
continue;
while (isascii(*++b) && isspace(*b))
continue;
}
else if (*b++ != 'S')
{
/* something else boring */
continue;
}
/* this is the S or StatusFile option -- save it */
if (strlcpy(sfilebuf, b, sizeof sfilebuf) >=
sizeof sfilebuf)
{
fprintf(stderr,
"StatusFile filename too long: %.30s...\n",
b);
exit(EX_CONFIG);
}
b = strchr(sfilebuf, '#');
if (b == NULL)
b = strchr(sfilebuf, '\n');
if (b == NULL)
b = &sfilebuf[strlen(sfilebuf)];
while (isascii(*--b) && 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 != ',' && !(isascii(*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);
}
fd = open(sfile, O_RDONLY);
if ((fd < 0) || (i = read(fd, &stats, sizeof stats)) < 0)
{
save_errno = errno;
(void) fputs("mailstats: ", stderr);
errno = save_errno;
perror(sfile);
exit(EX_NOINPUT);
}
if (i == 0)
{
(void) sleep(1);
if ((i = read(fd, &stats, sizeof stats)) < 0)
{
save_errno = errno;
(void) fputs("mailstats: ", stderr);
errno = save_errno;
perror(sfile);
exit(EX_NOINPUT);
}
else if (i == 0)
{
memset((ARBPTR_T) &stats, '\0', sizeof stats);
(void) time(&stats.stat_itime);
}
}
if (i != 0)
{
if (stats.stat_magic != STAT_MAGIC)
{
fprintf(stderr,
"mailstats: incorrect magic number in %s\n",
sfile);
exit(EX_OSERR);
}
else if (stats.stat_version != STAT_VERSION)
{
fprintf(stderr,
"mailstats version (%d) incompatible with %s version (%d)\n",
STAT_VERSION, sfile, stats.stat_version);
exit(EX_OSERR);
}
else if (i != sizeof stats || stats.stat_size != sizeof(stats))
{
(void) fputs("mailstats: file size changed.\n", stderr);
exit(EX_OSERR);
}
}
if (progmode)
{
(void) time(&now);
printf("%ld %ld\n", (long) stats.stat_itime, (long) now);
}
else
{
printf("Statistics from %s", ctime(&stats.stat_itime));
printf(" M msgsfr bytes_from msgsto bytes_to msgsrej msgsdis%s\n",
mnames ? " Mailer" : "");
}
for (i = 0; i < MAXMAILERS; i++)
{
if (stats.stat_nf[i] || stats.stat_nt[i] ||
stats.stat_nr[i] || stats.stat_nd[i])
{
char *format;
if (progmode)
format = "%2d %8ld %10ld %8ld %10ld %6ld %6ld";
else
format = "%2d %8ld %10ldK %8ld %10ldK %6ld %6ld";
printf(format, i,
stats.stat_nf[i], stats.stat_bf[i],
stats.stat_nt[i], stats.stat_bt[i],
stats.stat_nr[i], stats.stat_nd[i]);
if (mnames)
printf(" %s", mtable[i]);
printf("\n");
frmsgs += stats.stat_nf[i];
frbytes += stats.stat_bf[i];
tomsgs += stats.stat_nt[i];
tobytes += stats.stat_bt[i];
rejmsgs += stats.stat_nr[i];
dismsgs += stats.stat_nd[i];
}
}
if (progmode)
{
printf(" T %8ld %10ld %8ld %10ld %6ld %6ld\n",
frmsgs, frbytes, tomsgs, tobytes, rejmsgs, dismsgs);
printf(" C %8ld %8ld %6ld\n",
stats.stat_cf, stats.stat_ct, stats.stat_cr);
(void) close(fd);
fd = open(sfile, O_RDWR | O_TRUNC);
if (fd >= 0)
(void) close(fd);
}
else
{
printf("=============================================================\n");
printf(" T %8ld %10ldK %8ld %10ldK %6ld %6ld\n",
frmsgs, frbytes, tomsgs, tobytes, rejmsgs, dismsgs);
printf(" C %8ld %10s %8ld %10s %6ld\n",
stats.stat_cf, "", stats.stat_ct, "", stats.stat_cr);
}
exit(EX_OK);
/* NOTREACHED */
return EX_OK;
}