xref: /freebsd/contrib/sendmail/mailstats/mailstats.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*
2  * Copyright (c) 1998-2002, 2013 Proofpoint, 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 #include <sm/gen.h>
16 
17 SM_IDSTR(copyright,
18 "@(#) Copyright (c) 1998-2002 Proofpoint, Inc. and its suppliers.\n\
19 	All rights reserved.\n\
20      Copyright (c) 1988, 1993\n\
21 	The Regents of the University of California.  All rights reserved.\n")
22 
23 SM_IDSTR(id, "@(#)$Id: mailstats.c,v 8.103 2013-11-22 20:51:51 ca Exp $")
24 
25 #include <unistd.h>
26 #include <stddef.h>
27 #include <stdlib.h>
28 #include <ctype.h>
29 #include <string.h>
30 #include <time.h>
31 #ifdef EX_OK
32 # undef EX_OK		/* unistd.h may have another use for this */
33 #endif
34 #include <sysexits.h>
35 
36 #include <sm/errstring.h>
37 #include <sm/limits.h>
38 #include <sendmail/sendmail.h>
39 #include <sendmail/mailstats.h>
40 #include <sendmail/pathnames.h>
41 
42 
43 #define MNAMELEN	20	/* max length of mailer name */
44 
45 int
46 main(argc, argv)
47 	int argc;
48 	char **argv;
49 {
50 	register int i;
51 	int mno;
52 	int save_errno;
53 	int ch, fd;
54 	char *sfile;
55 	char *cfile;
56 	SM_FILE_T *cfp;
57 	bool mnames;
58 	bool progmode;
59 	bool trunc;
60 	long frmsgs = 0, frbytes = 0, tomsgs = 0, tobytes = 0, rejmsgs = 0;
61 	long dismsgs = 0;
62 	long quarmsgs = 0;
63 	time_t now;
64 	char mtable[MAXMAILERS][MNAMELEN + 1];
65 	char sfilebuf[MAXPATHLEN];
66 	char buf[MAXLINE];
67 	struct statistics stats;
68 	extern char *ctime();
69 	extern char *optarg;
70 	extern int optind;
71 # define MSOPTS "cC:f:opP"
72 
73 	cfile = getcfname(0, 0, SM_GET_SENDMAIL_CF, NULL);
74 	sfile = NULL;
75 	mnames = true;
76 	progmode = false;
77 	trunc = false;
78 	while ((ch = getopt(argc, argv, MSOPTS)) != -1)
79 	{
80 		switch (ch)
81 		{
82 		  case 'c':
83 			cfile = getcfname(0, 0, SM_GET_SUBMIT_CF, NULL);
84 			break;
85 
86 		  case 'C':
87 			cfile = optarg;
88 			break;
89 
90 		  case 'f':
91 			sfile = optarg;
92 			break;
93 
94 
95 		  case 'o':
96 			mnames = false;
97 			break;
98 
99 		  case 'p':
100 			trunc = true;
101 			/* FALLTHROUGH */
102 
103 		  case 'P':
104 			progmode = true;
105 			break;
106 
107 
108 		  case '?':
109 		  default:
110   usage:
111 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
112 			    "usage: mailstats [-C cffile] [-c] [-P] [-f stfile] [-o] [-p]\n");
113 			exit(EX_USAGE);
114 		}
115 	}
116 	argc -= optind;
117 	argv += optind;
118 
119 	if (argc != 0)
120 		goto usage;
121 
122 	if ((cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, cfile, SM_IO_RDONLY,
123 			      NULL)) == NULL)
124 	{
125 		save_errno = errno;
126 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "mailstats: ");
127 		errno = save_errno;
128 		sm_perror(cfile);
129 		exit(EX_NOINPUT);
130 	}
131 
132 	mno = 0;
133 	(void) sm_strlcpy(mtable[mno++], "prog", MNAMELEN + 1);
134 	(void) sm_strlcpy(mtable[mno++], "*file*", MNAMELEN + 1);
135 	(void) sm_strlcpy(mtable[mno++], "*include*", MNAMELEN + 1);
136 
137 	while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) >= 0)
138 	{
139 		register char *b;
140 		char *s;
141 		register char *m;
142 
143 		b = strchr(buf, '#');
144 		if (b == NULL)
145 			b = strchr(buf, '\n');
146 		if (b == NULL)
147 			b = &buf[strlen(buf)];
148 		while (isascii(*--b) && isspace(*b))
149 			continue;
150 		*++b = '\0';
151 
152 		b = buf;
153 		switch (*b++)
154 		{
155 		  case 'M':		/* mailer definition */
156 			break;
157 
158 		  case 'O':		/* option -- see if .st file */
159 			if (sm_strncasecmp(b, " StatusFile", 11) == 0 &&
160 			    !(isascii(b[11]) && isalnum(b[11])))
161 			{
162 				/* new form -- find value */
163 				b = strchr(b, '=');
164 				if (b == NULL)
165 					continue;
166 				while (isascii(*++b) && isspace(*b))
167 					continue;
168 			}
169 			else if (*b++ != 'S')
170 			{
171 				/* something else boring */
172 				continue;
173 			}
174 
175 			/* this is the S or StatusFile option -- save it */
176 			if (sm_strlcpy(sfilebuf, b, sizeof sfilebuf) >=
177 			    sizeof sfilebuf)
178 			{
179 				(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
180 						     "StatusFile filename too long: %.30s...\n",
181 						     b);
182 				exit(EX_CONFIG);
183 			}
184 			if (sfile == NULL)
185 				sfile = sfilebuf;
186 
187 		  default:
188 			continue;
189 		}
190 
191 		if (mno >= MAXMAILERS)
192 		{
193 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
194 					     "Too many mailers defined, %d max.\n",
195 					     MAXMAILERS);
196 			exit(EX_SOFTWARE);
197 		}
198 		m = mtable[mno];
199 		s = m + MNAMELEN;		/* is [MNAMELEN + 1] */
200 		while (*b != ',' && !(isascii(*b) && isspace(*b)) &&
201 		       *b != '\0' && m < s)
202 			*m++ = *b++;
203 		*m = '\0';
204 		for (i = 0; i < mno; i++)
205 		{
206 			if (strcmp(mtable[i], mtable[mno]) == 0)
207 				break;
208 		}
209 		if (i == mno)
210 			mno++;
211 	}
212 	(void) sm_io_close(cfp, SM_TIME_DEFAULT);
213 	for (; mno < MAXMAILERS; mno++)
214 		mtable[mno][0] = '\0';
215 
216 	if (sfile == NULL)
217 	{
218 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
219 				     "mailstats: no statistics file located\n");
220 		exit(EX_OSFILE);
221 	}
222 
223 	fd = open(sfile, O_RDONLY, 0600);
224 	if ((fd < 0) || (i = read(fd, &stats, sizeof stats)) < 0)
225 	{
226 		save_errno = errno;
227 		(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, "mailstats: ");
228 		errno = save_errno;
229 		sm_perror(sfile);
230 		exit(EX_NOINPUT);
231 	}
232 	if (i == 0)
233 	{
234 		(void) sleep(1);
235 		if ((i = read(fd, &stats, sizeof stats)) < 0)
236 		{
237 			save_errno = errno;
238 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
239 					   "mailstats: ");
240 			errno = save_errno;
241 			sm_perror(sfile);
242 			exit(EX_NOINPUT);
243 		}
244 		else if (i == 0)
245 		{
246 			memset((ARBPTR_T) &stats, '\0', sizeof stats);
247 			(void) time(&stats.stat_itime);
248 		}
249 	}
250 	if (i != 0)
251 	{
252 		if (stats.stat_magic != STAT_MAGIC)
253 		{
254 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
255 					     "mailstats: incorrect magic number in %s\n",
256 					     sfile);
257 			exit(EX_OSERR);
258 		}
259 		else if (stats.stat_version != STAT_VERSION)
260 		{
261 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
262 					     "mailstats version (%d) incompatible with %s version (%d)\n",
263 					     STAT_VERSION, sfile,
264 					     stats.stat_version);
265 
266 			exit(EX_OSERR);
267 		}
268 		else if (i != sizeof stats || stats.stat_size != sizeof(stats))
269 		{
270 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
271 					   "mailstats: file size changed.\n");
272 			exit(EX_OSERR);
273 		}
274 	}
275 
276 
277 	if (progmode)
278 	{
279 		(void) time(&now);
280 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%ld %ld\n",
281 				     (long) stats.stat_itime, (long) now);
282 	}
283 	else
284 	{
285 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
286 				     "Statistics from %s",
287 				     ctime(&stats.stat_itime));
288 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
289 				     " M   msgsfr  bytes_from   msgsto    bytes_to  msgsrej msgsdis");
290 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, " msgsqur");
291 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%s\n",
292 				     mnames ? "  Mailer" : "");
293 	}
294 	for (i = 0; i < MAXMAILERS; i++)
295 	{
296 		if (stats.stat_nf[i] || stats.stat_nt[i] ||
297 		    stats.stat_nq[i] ||
298 		    stats.stat_nr[i] || stats.stat_nd[i])
299 		{
300 			char *format;
301 
302 			if (progmode)
303 				format = "%2d %8ld %10ld %8ld %10ld   %6ld  %6ld";
304 			else
305 				format = "%2d %8ld %10ldK %8ld %10ldK   %6ld  %6ld";
306 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
307 					     format, i,
308 					     stats.stat_nf[i],
309 					     stats.stat_bf[i],
310 					     stats.stat_nt[i],
311 					     stats.stat_bt[i],
312 					     stats.stat_nr[i],
313 					     stats.stat_nd[i]);
314 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
315 					     "  %6ld", stats.stat_nq[i]);
316 			if (mnames)
317 				(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
318 						     "  %s",
319 						      mtable[i]);
320 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
321 			frmsgs += stats.stat_nf[i];
322 			frbytes += stats.stat_bf[i];
323 			tomsgs += stats.stat_nt[i];
324 			tobytes += stats.stat_bt[i];
325 			rejmsgs += stats.stat_nr[i];
326 			dismsgs += stats.stat_nd[i];
327 			quarmsgs += stats.stat_nq[i];
328 		}
329 	}
330 	if (progmode)
331 	{
332 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
333 				     " T %8ld %10ld %8ld %10ld   %6ld  %6ld",
334 				     frmsgs, frbytes, tomsgs, tobytes, rejmsgs,
335 				     dismsgs);
336 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
337 				     "  %6ld", quarmsgs);
338 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
339 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
340 				     " C %8ld %8ld %6ld\n",
341 				     stats.stat_cf, stats.stat_ct,
342 				     stats.stat_cr);
343 		(void) close(fd);
344 		if (trunc)
345 		{
346 			fd = open(sfile, O_RDWR | O_TRUNC, 0600);
347 			if (fd >= 0)
348 				(void) close(fd);
349 		}
350 	}
351 	else
352 	{
353 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
354 				     "=============================================================");
355 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "========");
356 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
357 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
358 				     " T %8ld %10ldK %8ld %10ldK   %6ld  %6ld",
359 				     frmsgs, frbytes, tomsgs, tobytes, rejmsgs,
360 				     dismsgs);
361 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
362 				     "  %6ld", quarmsgs);
363 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
364 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
365 				     " C %8ld %10s  %8ld %10s    %6ld\n",
366 				     stats.stat_cf, "", stats.stat_ct, "",
367 				     stats.stat_cr);
368 	}
369 	exit(EX_OK);
370 	/* NOTREACHED */
371 	return EX_OK;
372 }
373