xref: /illumos-gate/usr/src/cmd/sendmail/util/mailstats.c (revision 45ede40b2394db7967e59f19288fae9b62efd4aa)
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 			/* FALLTHROUGH */
184 
185 		  default:
186 			continue;
187 		}
188 
189 		if (mno >= MAXMAILERS)
190 		{
191 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
192 					     "Too many mailers defined, %d max.\n",
193 					     MAXMAILERS);
194 			exit(EX_SOFTWARE);
195 		}
196 		m = mtable[mno];
197 		s = m + MNAMELEN;		/* is [MNAMELEN + 1] */
198 		while (*b != ',' && !(isascii(*b) && isspace(*b)) &&
199 		       *b != '\0' && m < s)
200 			*m++ = *b++;
201 		*m = '\0';
202 		for (i = 0; i < mno; i++)
203 		{
204 			if (strcmp(mtable[i], mtable[mno]) == 0)
205 				break;
206 		}
207 		if (i == mno)
208 			mno++;
209 	}
210 	(void) sm_io_close(cfp, SM_TIME_DEFAULT);
211 	for (; mno < MAXMAILERS; mno++)
212 		mtable[mno][0] = '\0';
213 
214 	if (sfile == NULL)
215 	{
216 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
217 				     "mailstats: no statistics file located\n");
218 		exit(EX_OSFILE);
219 	}
220 
221 	fd = open(sfile, O_RDONLY, 0600);
222 	if ((fd < 0) || (i = read(fd, &stats, sizeof stats)) < 0)
223 	{
224 		save_errno = errno;
225 		(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, "mailstats: ");
226 		errno = save_errno;
227 		sm_perror(sfile);
228 		exit(EX_NOINPUT);
229 	}
230 	if (i == 0)
231 	{
232 		(void) sleep(1);
233 		if ((i = read(fd, &stats, sizeof stats)) < 0)
234 		{
235 			save_errno = errno;
236 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
237 					   "mailstats: ");
238 			errno = save_errno;
239 			sm_perror(sfile);
240 			exit(EX_NOINPUT);
241 		}
242 		else if (i == 0)
243 		{
244 			memset((ARBPTR_T) &stats, '\0', sizeof stats);
245 			(void) time(&stats.stat_itime);
246 		}
247 	}
248 	if (i != 0)
249 	{
250 		if (stats.stat_magic != STAT_MAGIC)
251 		{
252 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
253 					     "mailstats: incorrect magic number in %s\n",
254 					     sfile);
255 			exit(EX_OSERR);
256 		}
257 		else if (stats.stat_version != STAT_VERSION)
258 		{
259 			(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
260 					     "mailstats version (%d) incompatible with %s version (%d)\n",
261 					     STAT_VERSION, sfile,
262 					     stats.stat_version);
263 
264 			exit(EX_OSERR);
265 		}
266 		else if (i != sizeof stats || stats.stat_size != sizeof(stats))
267 		{
268 			(void) sm_io_fputs(smioerr, SM_TIME_DEFAULT,
269 					   "mailstats: file size changed.\n");
270 			exit(EX_OSERR);
271 		}
272 	}
273 
274 	if (progmode)
275 	{
276 		(void) time(&now);
277 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%ld %ld\n",
278 				     (long) stats.stat_itime, (long) now);
279 	}
280 	else
281 	{
282 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
283 				     "Statistics from %s",
284 				     ctime(&stats.stat_itime));
285 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
286 				     " M   msgsfr  bytes_from   msgsto    bytes_to  msgsrej msgsdis");
287 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, " msgsqur");
288 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%s\n",
289 				     mnames ? "  Mailer" : "");
290 	}
291 	for (i = 0; i < MAXMAILERS; i++)
292 	{
293 		if (stats.stat_nf[i] || stats.stat_nt[i] ||
294 		    stats.stat_nq[i] ||
295 		    stats.stat_nr[i] || stats.stat_nd[i])
296 		{
297 			char *format;
298 
299 			if (progmode)
300 				format = "%2d %8ld %10ld %8ld %10ld   %6ld  %6ld";
301 			else
302 				format = "%2d %8ld %10ldK %8ld %10ldK   %6ld  %6ld";
303 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
304 					     format, i,
305 					     stats.stat_nf[i],
306 					     stats.stat_bf[i],
307 					     stats.stat_nt[i],
308 					     stats.stat_bt[i],
309 					     stats.stat_nr[i],
310 					     stats.stat_nd[i]);
311 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
312 					     "  %6ld", stats.stat_nq[i]);
313 			if (mnames)
314 				(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
315 						     "  %s",
316 						      mtable[i]);
317 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
318 			frmsgs += stats.stat_nf[i];
319 			frbytes += stats.stat_bf[i];
320 			tomsgs += stats.stat_nt[i];
321 			tobytes += stats.stat_bt[i];
322 			rejmsgs += stats.stat_nr[i];
323 			dismsgs += stats.stat_nd[i];
324 			quarmsgs += stats.stat_nq[i];
325 		}
326 	}
327 	if (progmode)
328 	{
329 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
330 				     " T %8ld %10ld %8ld %10ld   %6ld  %6ld",
331 				     frmsgs, frbytes, tomsgs, tobytes, rejmsgs,
332 				     dismsgs);
333 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
334 				     "  %6ld", quarmsgs);
335 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
336 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
337 				     " C %8ld %8ld %6ld\n",
338 				     stats.stat_cf, stats.stat_ct,
339 				     stats.stat_cr);
340 		(void) close(fd);
341 		if (trunc)
342 		{
343 			fd = open(sfile, O_RDWR | O_TRUNC, 0600);
344 			if (fd >= 0)
345 				(void) close(fd);
346 		}
347 	}
348 	else
349 	{
350 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
351 				     "=============================================================");
352 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "========");
353 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
354 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
355 				     " T %8ld %10ldK %8ld %10ldK   %6ld  %6ld",
356 				     frmsgs, frbytes, tomsgs, tobytes, rejmsgs,
357 				     dismsgs);
358 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
359 				     "  %6ld", quarmsgs);
360 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "\n");
361 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
362 				     " C %8ld %10s  %8ld %10s    %6ld\n",
363 				     stats.stat_cf, "", stats.stat_ct, "",
364 				     stats.stat_cr);
365 	}
366 	exit(EX_OK);
367 	/* NOTREACHED */
368 	return EX_OK;
369 }
370