1 /*
2  * Copyright (c) 1998-2002 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 #include <sm/gen.h>
16 
17 SM_IDSTR(copyright,
18 "@(#) Copyright (c) 1998-2002 Sendmail, 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 8.100 2002/06/27 23:24:06 gshapiro 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 /* EX_OK */
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 
72 	cfile = getcfname(0, 0, SM_GET_SENDMAIL_CF, NULL);
73 	sfile = NULL;
74 	mnames = true;
75 	progmode = false;
76 	trunc = false;
77 	while ((ch = getopt(argc, argv, "cC:f:opP")) != -1)
78 	{
79 		switch (ch)
80 		{
81 		  case 'c':
82 			cfile = getcfname(0, 0, SM_GET_SUBMIT_CF, NULL);
83 			break;
84 
85 		  case 'C':
86 			cfile = optarg;
87 			break;
88 
89 		  case 'f':
90 			sfile = optarg;
91 			break;
92 
93 		  case 'o':
94 			mnames = false;
95 			break;
96 
97 		  case 'p':
98 			trunc = true;
99 			/* FALLTHROUGH */
100 
101 		  case 'P':
102 			progmode = true;
103 			break;
104 
105 		  case '?':
106 		  default:
107   usage:
108 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
109 			    "usage: mailstats [-C cffile] [-c] [-P] [-f stfile] [-o] [-p]\n");
110 			exit(EX_USAGE);
111 		}
112 	}
113 	argc -= optind;
114 	argv += optind;
115 
116 	if (argc != 0)
117 		goto usage;
118 
119 	if ((cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, cfile, SM_IO_RDONLY,
120 			      NULL)) == NULL)
121 	{
122 		save_errno = errno;
123 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "mailstats: ");
124 		errno = save_errno;
125 		sm_perror(cfile);
126 		exit(EX_NOINPUT);
127 	}
128 
129 	mno = 0;
130 	(void) sm_strlcpy(mtable[mno++], "prog", MNAMELEN + 1);
131 	(void) sm_strlcpy(mtable[mno++], "*file*", MNAMELEN + 1);
132 	(void) sm_strlcpy(mtable[mno++], "*include*", MNAMELEN + 1);
133 
134 	while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) != NULL)
135 	{
136 		register char *b;
137 		char *s;
138 		register char *m;
139 
140 		b = strchr(buf, '#');
141 		if (b == NULL)
142 			b = strchr(buf, '\n');
143 		if (b == NULL)
144 			b = &buf[strlen(buf)];
145 		while (isascii(*--b) && isspace(*b))
146 			continue;
147 		*++b = '\0';
148 
149 		b = buf;
150 		switch (*b++)
151 		{
152 		  case 'M':		/* mailer definition */
153 			break;
154 
155 		  case 'O':		/* option -- see if .st file */
156 			if (sm_strncasecmp(b, " StatusFile", 11) == 0 &&
157 			    !(isascii(b[11]) && isalnum(b[11])))
158 			{
159 				/* new form -- find value */
160 				b = strchr(b, '=');
161 				if (b == NULL)
162 					continue;
163 				while (isascii(*++b) && isspace(*b))
164 					continue;
165 			}
166 			else if (*b++ != 'S')
167 			{
168 				/* something else boring */
169 				continue;
170 			}
171 
172 			/* this is the S or StatusFile option -- save it */
173 			if (sm_strlcpy(sfilebuf, b, sizeof sfilebuf) >=
174 			    sizeof sfilebuf)
175 			{
176 				(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
177 						     "StatusFile filename too long: %.30s...\n",
178 						     b);
179 				exit(EX_CONFIG);
180 			}
181 			if (sfile == NULL)
182 				sfile = sfilebuf;
183 
184 		  default:
185 			continue;
186 		}
187 
188 		if (mno >= MAXMAILERS)
189 		{
190 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
191 					     "Too many mailers defined, %d max.\n",
192 					     MAXMAILERS);
193 			exit(EX_SOFTWARE);
194 		}
195 		m = mtable[mno];
196 		s = m + MNAMELEN;		/* is [MNAMELEN + 1] */
197 		while (*b != ',' && !(isascii(*b) && isspace(*b)) &&
198 		       *b != '\0' && m < s)
199 			*m++ = *b++;
200 		*m = '\0';
201 		for (i = 0; i < mno; i++)
202 		{
203 			if (strcmp(mtable[i], mtable[mno]) == 0)
204 				break;
205 		}
206 		if (i == mno)
207 			mno++;
208 	}
209 	(void) sm_io_close(cfp, SM_TIME_DEFAULT);
210 	for (; mno < MAXMAILERS; mno++)
211 		mtable[mno][0] = '\0';
212 
213 	if (sfile == NULL)
214 	{
215 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
216 				     "mailstats: no statistics file located\n");
217 		exit(EX_OSFILE);
218 	}
219 
220 	fd = open(sfile, O_RDONLY, 0600);
221 	if ((fd < 0) || (i = read(fd, &stats, sizeof stats)) < 0)
222 	{
223 		save_errno = errno;
224 		(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, "mailstats: ");
225 		errno = save_errno;
226 		sm_perror(sfile);
227 		exit(EX_NOINPUT);
228 	}
229 	if (i == 0)
230 	{
231 		(void) sleep(1);
232 		if ((i = read(fd, &stats, sizeof stats)) < 0)
233 		{
234 			save_errno = errno;
235 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
236 					   "mailstats: ");
237 			errno = save_errno;
238 			sm_perror(sfile);
239 			exit(EX_NOINPUT);
240 		}
241 		else if (i == 0)
242 		{
243 			memset((ARBPTR_T) &stats, '\0', sizeof stats);
244 			(void) time(&stats.stat_itime);
245 		}
246 	}
247 	if (i != 0)
248 	{
249 		if (stats.stat_magic != STAT_MAGIC)
250 		{
251 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
252 					     "mailstats: incorrect magic number in %s\n",
253 					     sfile);
254 			exit(EX_OSERR);
255 		}
256 		else if (stats.stat_version != STAT_VERSION)
257 		{
258 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
259 					     "mailstats version (%d) incompatible with %s version (%d)\n",
260 					     STAT_VERSION, sfile,
261 					     stats.stat_version);
262 
263 			exit(EX_OSERR);
264 		}
265 		else if (i != sizeof stats || stats.stat_size != sizeof(stats))
266 		{
267 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
268 					   "mailstats: file size changed.\n");
269 			exit(EX_OSERR);
270 		}
271 	}
272 
273 	if (progmode)
274 	{
275 		(void) time(&now);
276 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%ld %ld\n",
277 				     (long) stats.stat_itime, (long) now);
278 	}
279 	else
280 	{
281 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
282 				     "Statistics from %s",
283 				     ctime(&stats.stat_itime));
284 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
285 				     " M   msgsfr  bytes_from   msgsto    bytes_to  msgsrej msgsdis");
286 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, " msgsqur");
287 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%s\n",
288 				     mnames ? "  Mailer" : "");
289 	}
290 	for (i = 0; i < MAXMAILERS; i++)
291 	{
292 		if (stats.stat_nf[i] || stats.stat_nt[i] ||
293 		    stats.stat_nq[i] ||
294 		    stats.stat_nr[i] || stats.stat_nd[i])
295 		{
296 			char *format;
297 
298 			if (progmode)
299 				format = "%2d %8ld %10ld %8ld %10ld   %6ld  %6ld";
300 			else
301 				format = "%2d %8ld %10ldK %8ld %10ldK   %6ld  %6ld";
302 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
303 					     format, i,
304 					     stats.stat_nf[i],
305 					     stats.stat_bf[i],
306 					     stats.stat_nt[i],
307 					     stats.stat_bt[i],
308 					     stats.stat_nr[i],
309 					     stats.stat_nd[i]);
310 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
311 					     "  %6ld", stats.stat_nq[i]);
312 			if (mnames)
313 				(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
314 						     "  %s",
315 						      mtable[i]);
316 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
317 			frmsgs += stats.stat_nf[i];
318 			frbytes += stats.stat_bf[i];
319 			tomsgs += stats.stat_nt[i];
320 			tobytes += stats.stat_bt[i];
321 			rejmsgs += stats.stat_nr[i];
322 			dismsgs += stats.stat_nd[i];
323 			quarmsgs += stats.stat_nq[i];
324 		}
325 	}
326 	if (progmode)
327 	{
328 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
329 				     " T %8ld %10ld %8ld %10ld   %6ld  %6ld",
330 				     frmsgs, frbytes, tomsgs, tobytes, rejmsgs,
331 				     dismsgs);
332 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
333 				     "  %6ld", quarmsgs);
334 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
335 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
336 				     " C %8ld %8ld %6ld\n",
337 				     stats.stat_cf, stats.stat_ct,
338 				     stats.stat_cr);
339 		(void) close(fd);
340 		if (trunc)
341 		{
342 			fd = open(sfile, O_RDWR | O_TRUNC, 0600);
343 			if (fd >= 0)
344 				(void) close(fd);
345 		}
346 	}
347 	else
348 	{
349 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
350 				     "=============================================================");
351 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "========");
352 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
353 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
354 				     " T %8ld %10ldK %8ld %10ldK   %6ld  %6ld",
355 				     frmsgs, frbytes, tomsgs, tobytes, rejmsgs,
356 				     dismsgs);
357 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
358 				     "  %6ld", quarmsgs);
359 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
360 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
361 				     " C %8ld %10s  %8ld %10s    %6ld\n",
362 				     stats.stat_cf, "", stats.stat_ct, "",
363 				     stats.stat_cr);
364 	}
365 	exit(EX_OK);
366 	/* NOTREACHED */
367 	return EX_OK;
368 }
369