mailstats.c revision 64565 
1/*
2 * Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.
3 *	All rights reserved.
4 * Copyright (c) 1983 Eric P. Allman.  All rights reserved.
5 * Copyright (c) 1988, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * By using this file, you agree to the terms and conditions set
9 * forth in the LICENSE file which can be found at the top level of
10 * the sendmail distribution.
11 *
12 *
13 */
14
15#ifndef lint
16static char copyright[] =
17"@(#) Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers.\n\
18	All rights reserved.\n\
19     Copyright (c) 1988, 1993\n\
20	The Regents of the University of California.  All rights reserved.\n";
21#endif /* ! lint */
22
23#ifndef lint
24static char id[] = "@(#)$Id: mailstats.c,v 8.53.16.10 2000/07/18 05:51:15 gshapiro Exp $";
25#endif /* ! lint */
26
27/* $FreeBSD: head/contrib/sendmail/mailstats/mailstats.c 64565 2000-08-12 22:19:16Z gshapiro $ */
28
29#include <unistd.h>
30#include <stddef.h>
31#include <stdlib.h>
32#include <ctype.h>
33#include <string.h>
34#include <time.h>
35#ifdef EX_OK
36# undef EX_OK		/* unistd.h may have another use for this */
37#endif /* EX_OK */
38#include <sysexits.h>
39
40#include <sendmail/sendmail.h>
41#include <sendmail/mailstats.h>
42#include <sendmail/pathnames.h>
43
44
45#define MNAMELEN	20	/* max length of mailer name */
46
47
48int
49main(argc, argv)
50	int argc;
51	char **argv;
52{
53	register int i;
54	int mno;
55	int save_errno;
56	int ch, fd;
57	char *sfile;
58	char *cfile;
59	FILE *cfp;
60	bool mnames;
61	bool progmode;
62	long frmsgs = 0, frbytes = 0, tomsgs = 0, tobytes = 0, rejmsgs = 0;
63	long dismsgs = 0;
64	time_t now;
65	char mtable[MAXMAILERS][MNAMELEN + 1];
66	char sfilebuf[MAXLINE];
67	char buf[MAXLINE];
68	struct statistics stats;
69	extern char *ctime();
70	extern char *optarg;
71	extern int optind;
72
73
74	cfile = _PATH_SENDMAILCF;
75	sfile = NULL;
76	mnames = TRUE;
77	progmode = FALSE;
78	while ((ch = getopt(argc, argv, "C:f:op")) != -1)
79	{
80		switch (ch)
81		{
82		  case 'C':
83			cfile = optarg;
84			break;
85
86		  case 'f':
87			sfile = optarg;
88			break;
89
90		  case 'o':
91			mnames = FALSE;
92			break;
93
94		  case 'p':
95			progmode = TRUE;
96			break;
97
98		  case '?':
99		  default:
100  usage:
101			(void) fputs("usage: mailstats [-C cffile] [-f stfile] [-o] [-p]\n",
102				     stderr);
103			exit(EX_USAGE);
104		}
105	}
106	argc -= optind;
107	argv += optind;
108
109	if (argc != 0)
110		goto usage;
111
112	if ((cfp = fopen(cfile, "r")) == NULL)
113	{
114		save_errno = errno;
115		fprintf(stderr, "mailstats: ");
116		errno = save_errno;
117		perror(cfile);
118		exit(EX_NOINPUT);
119	}
120
121	mno = 0;
122	(void) strlcpy(mtable[mno++], "prog", MNAMELEN + 1);
123	(void) strlcpy(mtable[mno++], "*file*", MNAMELEN + 1);
124	(void) strlcpy(mtable[mno++], "*include*", MNAMELEN + 1);
125
126	while (fgets(buf, sizeof(buf), cfp) != NULL)
127	{
128		register char *b;
129		char *s;
130		register char *m;
131
132		b = buf;
133		switch (*b++)
134		{
135		  case 'M':		/* mailer definition */
136			break;
137
138		  case 'O':		/* option -- see if .st file */
139			if (strncasecmp(b, " StatusFile", 11) == 0 &&
140			    !(isascii(b[11]) && isalnum(b[11])))
141			{
142				/* new form -- find value */
143				b = strchr(b, '=');
144				if (b == NULL)
145					continue;
146				while (isascii(*++b) && isspace(*b))
147					continue;
148			}
149			else if (*b++ != 'S')
150			{
151				/* something else boring */
152				continue;
153			}
154
155			/* this is the S or StatusFile option -- save it */
156			if (strlcpy(sfilebuf, b, sizeof sfilebuf) >=
157			    sizeof sfilebuf)
158			{
159				fprintf(stderr,
160					"StatusFile filename too long: %.30s...\n",
161					b);
162				exit(EX_CONFIG);
163			}
164			b = strchr(sfilebuf, '#');
165			if (b == NULL)
166				b = strchr(sfilebuf, '\n');
167			if (b == NULL)
168				b = &sfilebuf[strlen(sfilebuf)];
169			while (isascii(*--b) && isspace(*b))
170				continue;
171			*++b = '\0';
172			if (sfile == NULL)
173				sfile = sfilebuf;
174
175		  default:
176			continue;
177		}
178
179		if (mno >= MAXMAILERS)
180		{
181			fprintf(stderr,
182				"Too many mailers defined, %d max.\n",
183				MAXMAILERS);
184			exit(EX_SOFTWARE);
185		}
186		m = mtable[mno];
187		s = m + MNAMELEN;		/* is [MNAMELEN + 1] */
188		while (*b != ',' && !(isascii(*b) && isspace(*b)) &&
189		       *b != '\0' && m < s)
190			*m++ = *b++;
191		*m = '\0';
192		for (i = 0; i < mno; i++)
193		{
194			if (strcmp(mtable[i], mtable[mno]) == 0)
195				break;
196		}
197		if (i == mno)
198			mno++;
199	}
200	(void) fclose(cfp);
201	for (; mno < MAXMAILERS; mno++)
202		mtable[mno][0]='\0';
203
204	if (sfile == NULL)
205	{
206		fprintf(stderr, "mailstats: no statistics file located\n");
207		exit (EX_OSFILE);
208	}
209
210	fd = open(sfile, O_RDONLY);
211	if ((fd < 0) || (i = read(fd, &stats, sizeof stats)) < 0)
212	{
213		save_errno = errno;
214		(void) fputs("mailstats: ", stderr);
215		errno = save_errno;
216		perror(sfile);
217		exit(EX_NOINPUT);
218	}
219	if (i == 0)
220	{
221		(void) sleep(1);
222		if ((i = read(fd, &stats, sizeof stats)) < 0)
223		{
224			save_errno = errno;
225			(void) fputs("mailstats: ", stderr);
226			errno = save_errno;
227			perror(sfile);
228			exit(EX_NOINPUT);
229		}
230		else if (i == 0)
231		{
232			memset((ARBPTR_T) &stats, '\0', sizeof stats);
233			(void) time(&stats.stat_itime);
234		}
235	}
236	if (i != 0)
237	{
238		if (stats.stat_magic != STAT_MAGIC)
239		{
240			fprintf(stderr,
241				"mailstats: incorrect magic number in %s\n",
242				sfile);
243			exit(EX_OSERR);
244		}
245		else if (stats.stat_version != STAT_VERSION)
246		{
247			fprintf(stderr,
248				"mailstats version (%d) incompatible with %s version (%d)\n",
249				STAT_VERSION, sfile, stats.stat_version);
250			exit(EX_OSERR);
251		}
252		else if (i != sizeof stats || stats.stat_size != sizeof(stats))
253		{
254			(void) fputs("mailstats: file size changed.\n", stderr);
255			exit(EX_OSERR);
256		}
257	}
258
259	if (progmode)
260	{
261		(void) time(&now);
262		printf("%ld %ld\n", (long) stats.stat_itime, (long) now);
263	}
264	else
265	{
266		printf("Statistics from %s", ctime(&stats.stat_itime));
267		printf(" M   msgsfr  bytes_from   msgsto    bytes_to  msgsrej msgsdis%s\n",
268			mnames ? "  Mailer" : "");
269	}
270	for (i = 0; i < MAXMAILERS; i++)
271	{
272		if (stats.stat_nf[i] || stats.stat_nt[i] ||
273		    stats.stat_nr[i] || stats.stat_nd[i])
274		{
275			char *format;
276
277			if (progmode)
278				format = "%2d %8ld %10ld %8ld %10ld   %6ld  %6ld";
279			else
280				format = "%2d %8ld %10ldK %8ld %10ldK   %6ld  %6ld";
281			printf(format, i,
282			    stats.stat_nf[i], stats.stat_bf[i],
283			    stats.stat_nt[i], stats.stat_bt[i],
284			    stats.stat_nr[i], stats.stat_nd[i]);
285			if (mnames)
286				printf("  %s", mtable[i]);
287			printf("\n");
288			frmsgs += stats.stat_nf[i];
289			frbytes += stats.stat_bf[i];
290			tomsgs += stats.stat_nt[i];
291			tobytes += stats.stat_bt[i];
292			rejmsgs += stats.stat_nr[i];
293			dismsgs += stats.stat_nd[i];
294		}
295	}
296	if (progmode)
297	{
298		printf(" T %8ld %10ld %8ld %10ld   %6ld  %6ld\n",
299		       frmsgs, frbytes, tomsgs, tobytes, rejmsgs, dismsgs);
300		printf(" C %8ld %8ld %6ld\n",
301		       stats.stat_cf, stats.stat_ct, stats.stat_cr);
302		(void) close(fd);
303		fd = open(sfile, O_RDWR | O_TRUNC);
304		if (fd >= 0)
305			(void) close(fd);
306	}
307	else
308	{
309		printf("=============================================================\n");
310		printf(" T %8ld %10ldK %8ld %10ldK   %6ld  %6ld\n",
311			frmsgs, frbytes, tomsgs, tobytes, rejmsgs, dismsgs);
312		printf(" C %8ld %10s  %8ld %10s    %6ld\n",
313		       stats.stat_cf, "", stats.stat_ct, "", stats.stat_cr);
314	}
315	exit(EX_OK);
316	/* NOTREACHED */
317	return EX_OK;
318}
319