contrib/sendmail-8.14/mailstats/mailstats.c

   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 }