1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #if 0 40 #ifndef lint 41 static char sccsid[] = "@(#)common.c 8.5 (Berkeley) 4/28/95"; 42 #endif /* not lint */ 43 #endif 44 45 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */ 46 __FBSDID("$FreeBSD$"); 47 48 #include <sys/param.h> 49 #include <sys/stat.h> 50 #include <sys/time.h> 51 #include <sys/types.h> 52 53 #include <ctype.h> 54 #include <dirent.h> 55 #include <err.h> 56 #include <errno.h> 57 #include <fcntl.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <unistd.h> 62 63 #include "lp.h" 64 #include "lp.local.h" 65 #include "pathnames.h" 66 67 /* 68 * Routines and data common to all the line printer functions. 69 */ 70 char line[BUFSIZ]; 71 const char *progname; /* program name */ 72 73 static int compar(const void *_p1, const void *_p2); 74 75 /* 76 * isdigit() takes a parameter of 'int', but expect values in the range 77 * of unsigned char. Define a wrapper which takes a value of type 'char', 78 * whether signed or unsigned, and ensure it ends up in the right range. 79 */ 80 #define isdigitch(Anychar) isdigit((u_char)(Anychar)) 81 82 /* 83 * get_line reads a line from the control file cfp, removes tabs, converts 84 * new-line to null and leaves it in line. 85 * Returns 0 at EOF or the number of characters read. 86 */ 87 int 88 get_line(FILE *cfp) 89 { 90 register int linel = 0; 91 register char *lp = line; 92 register int c; 93 94 while ((c = getc(cfp)) != '\n' && (size_t)(linel+1) < sizeof(line)) { 95 if (c == EOF) 96 return(0); 97 if (c == '\t') { 98 do { 99 *lp++ = ' '; 100 linel++; 101 } while ((linel & 07) != 0 && (size_t)(linel+1) < 102 sizeof(line)); 103 continue; 104 } 105 *lp++ = c; 106 linel++; 107 } 108 *lp++ = '\0'; 109 return(linel); 110 } 111 112 /* 113 * Scan the current directory and make a list of daemon files sorted by 114 * creation time. 115 * Return the number of entries and a pointer to the list. 116 */ 117 int 118 getq(const struct printer *pp, struct jobqueue *(*namelist[])) 119 { 120 register struct dirent *d; 121 register struct jobqueue *q, **queue; 122 size_t arraysz, entrysz, nitems; 123 struct stat stbuf; 124 DIR *dirp; 125 int statres; 126 127 PRIV_START 128 if ((dirp = opendir(pp->spool_dir)) == NULL) { 129 PRIV_END 130 return (-1); 131 } 132 if (fstat(dirfd(dirp), &stbuf) < 0) 133 goto errdone; 134 PRIV_END 135 136 /* 137 * Estimate the array size by taking the size of the directory file 138 * and dividing it by a multiple of the minimum size entry. 139 */ 140 arraysz = (stbuf.st_size / 24); 141 if (arraysz < 16) 142 arraysz = 16; 143 queue = (struct jobqueue **)malloc(arraysz * sizeof(struct jobqueue *)); 144 if (queue == NULL) 145 goto errdone; 146 147 nitems = 0; 148 while ((d = readdir(dirp)) != NULL) { 149 if (d->d_name[0] != 'c' || d->d_name[1] != 'f') 150 continue; /* daemon control files only */ 151 PRIV_START 152 statres = stat(d->d_name, &stbuf); 153 PRIV_END 154 if (statres < 0) 155 continue; /* Doesn't exist */ 156 entrysz = sizeof(struct jobqueue) - sizeof(q->job_cfname) + 157 strlen(d->d_name) + 1; 158 q = (struct jobqueue *)malloc(entrysz); 159 if (q == NULL) 160 goto errdone; 161 q->job_matched = 0; 162 q->job_processed = 0; 163 q->job_time = stbuf.st_mtime; 164 strcpy(q->job_cfname, d->d_name); 165 /* 166 * Check to make sure the array has space left and 167 * realloc the maximum size. 168 */ 169 if (++nitems > arraysz) { 170 queue = (struct jobqueue **)reallocarray((char *)queue, 171 arraysz, 2 * sizeof(struct jobqueue *)); 172 if (queue == NULL) { 173 free(q); 174 goto errdone; 175 } 176 arraysz *= 2; 177 } 178 queue[nitems-1] = q; 179 } 180 closedir(dirp); 181 if (nitems) 182 qsort(queue, nitems, sizeof(struct jobqueue *), compar); 183 *namelist = queue; 184 return(nitems); 185 186 errdone: 187 closedir(dirp); 188 PRIV_END 189 return (-1); 190 } 191 192 /* 193 * Compare modification times. 194 */ 195 static int 196 compar(const void *p1, const void *p2) 197 { 198 const struct jobqueue *qe1, *qe2; 199 200 qe1 = *(const struct jobqueue * const *)p1; 201 qe2 = *(const struct jobqueue * const *)p2; 202 203 if (qe1->job_time < qe2->job_time) 204 return (-1); 205 if (qe1->job_time > qe2->job_time) 206 return (1); 207 /* 208 * At this point, the two files have the same last-modification time. 209 * return a result based on filenames, so that 'cfA001some.host' will 210 * come before 'cfA002some.host'. Since the jobid ('001') will wrap 211 * around when it gets to '999', we also assume that '9xx' jobs are 212 * older than '0xx' jobs. 213 */ 214 if ((qe1->job_cfname[3] == '9') && (qe2->job_cfname[3] == '0')) 215 return (-1); 216 if ((qe1->job_cfname[3] == '0') && (qe2->job_cfname[3] == '9')) 217 return (1); 218 return (strcmp(qe1->job_cfname, qe2->job_cfname)); 219 } 220 221 /* 222 * A simple routine to determine the job number for a print job based on 223 * the name of its control file. The algorithm used here may look odd, but 224 * the main issue is that all parts of `lpd', `lpc', `lpq' & `lprm' must be 225 * using the same algorithm, whatever that algorithm may be. If the caller 226 * provides a non-null value for ''hostpp', then this returns a pointer to 227 * the start of the hostname (or IP address?) as found in the filename. 228 * 229 * Algorithm: The standard `cf' file has the job number start in position 4, 230 * but some implementations have that as an extra file-sequence letter, and 231 * start the job number in position 5. The job number is usually three bytes, 232 * but may be as many as five. Confusing matters still more, some Windows 233 * print servers will append an IP address to the job number, instead of 234 * the expected hostname. So, if the job number ends with a '.', then 235 * assume the correct jobnum value is the first three digits. 236 */ 237 int 238 calc_jobnum(const char *cfname, const char **hostpp) 239 { 240 int jnum; 241 const char *cp, *numstr, *hoststr; 242 243 numstr = cfname + 3; 244 if (!isdigitch(*numstr)) 245 numstr++; 246 jnum = 0; 247 for (cp = numstr; (cp < numstr + 5) && isdigitch(*cp); cp++) 248 jnum = jnum * 10 + (*cp - '0'); 249 hoststr = cp; 250 251 /* 252 * If the filename was built with an IP number instead of a hostname, 253 * then recalculate using only the first three digits found. 254 */ 255 while(isdigitch(*cp)) 256 cp++; 257 if (*cp == '.') { 258 jnum = 0; 259 for (cp = numstr; (cp < numstr + 3) && isdigitch(*cp); cp++) 260 jnum = jnum * 10 + (*cp - '0'); 261 hoststr = cp; 262 } 263 if (hostpp != NULL) 264 *hostpp = hoststr; 265 return (jnum); 266 } 267 268 /* sleep n milliseconds */ 269 void 270 delay(int millisec) 271 { 272 struct timeval tdelay; 273 274 if (millisec <= 0 || millisec > 10000) 275 fatal((struct printer *)0, /* fatal() knows how to deal */ 276 "unreasonable delay period (%d)", millisec); 277 tdelay.tv_sec = millisec / 1000; 278 tdelay.tv_usec = millisec * 1000 % 1000000; 279 (void) select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &tdelay); 280 } 281 282 char * 283 lock_file_name(const struct printer *pp, char *buf, size_t len) 284 { 285 static char staticbuf[MAXPATHLEN]; 286 287 if (buf == NULL) 288 buf = staticbuf; 289 if (len == 0) 290 len = MAXPATHLEN; 291 292 if (pp->lock_file[0] == '/') 293 strlcpy(buf, pp->lock_file, len); 294 else 295 snprintf(buf, len, "%s/%s", pp->spool_dir, pp->lock_file); 296 297 return buf; 298 } 299 300 char * 301 status_file_name(const struct printer *pp, char *buf, size_t len) 302 { 303 static char staticbuf[MAXPATHLEN]; 304 305 if (buf == NULL) 306 buf = staticbuf; 307 if (len == 0) 308 len = MAXPATHLEN; 309 310 if (pp->status_file[0] == '/') 311 strlcpy(buf, pp->status_file, len); 312 else 313 snprintf(buf, len, "%s/%s", pp->spool_dir, pp->status_file); 314 315 return buf; 316 } 317 318 /* 319 * Routine to change operational state of a print queue. The operational 320 * state is indicated by the access bits on the lock file for the queue. 321 * At present, this is only called from various routines in lpc/cmds.c. 322 * 323 * XXX - Note that this works by changing access-bits on the 324 * file, and you can only do that if you are the owner of 325 * the file, or root. Thus, this won't really work for 326 * userids in the "LPR_OPER" group, unless lpc is running 327 * setuid to root (or maybe setuid to daemon). 328 * Generally lpc is installed setgid to daemon, but does 329 * not run setuid. 330 */ 331 int 332 set_qstate(int action, const char *lfname) 333 { 334 struct stat stbuf; 335 mode_t chgbits, newbits, oldmask; 336 const char *failmsg, *okmsg; 337 static const char *nomsg = "no state msg"; 338 int chres, errsav, fd, res, statres; 339 340 /* 341 * Find what the current access-bits are. 342 */ 343 memset(&stbuf, 0, sizeof(stbuf)); 344 PRIV_START 345 statres = stat(lfname, &stbuf); 346 errsav = errno; 347 PRIV_END 348 if ((statres < 0) && (errsav != ENOENT)) { 349 printf("\tcannot stat() lock file\n"); 350 return (SQS_STATFAIL); 351 /* NOTREACHED */ 352 } 353 354 /* 355 * Determine which bit(s) should change for the requested action. 356 */ 357 chgbits = stbuf.st_mode; 358 newbits = LOCK_FILE_MODE; 359 okmsg = NULL; 360 failmsg = NULL; 361 if (action & SQS_QCHANGED) { 362 chgbits |= LFM_RESET_QUE; 363 newbits |= LFM_RESET_QUE; 364 /* The okmsg is not actually printed for this case. */ 365 okmsg = nomsg; 366 failmsg = "set queue-changed"; 367 } 368 if (action & SQS_DISABLEQ) { 369 chgbits |= LFM_QUEUE_DIS; 370 newbits |= LFM_QUEUE_DIS; 371 okmsg = "queuing disabled"; 372 failmsg = "disable queuing"; 373 } 374 if (action & SQS_STOPP) { 375 chgbits |= LFM_PRINT_DIS; 376 newbits |= LFM_PRINT_DIS; 377 okmsg = "printing disabled"; 378 failmsg = "disable printing"; 379 if (action & SQS_DISABLEQ) { 380 okmsg = "printer and queuing disabled"; 381 failmsg = "disable queuing and printing"; 382 } 383 } 384 if (action & SQS_ENABLEQ) { 385 chgbits &= ~LFM_QUEUE_DIS; 386 newbits &= ~LFM_QUEUE_DIS; 387 okmsg = "queuing enabled"; 388 failmsg = "enable queuing"; 389 } 390 if (action & SQS_STARTP) { 391 chgbits &= ~LFM_PRINT_DIS; 392 newbits &= ~LFM_PRINT_DIS; 393 okmsg = "printing enabled"; 394 failmsg = "enable printing"; 395 } 396 if (okmsg == NULL) { 397 /* This routine was called with an invalid action. */ 398 printf("\t<error in set_qstate!>\n"); 399 return (SQS_PARMERR); 400 /* NOTREACHED */ 401 } 402 403 res = 0; 404 if (statres >= 0) { 405 /* The file already exists, so change the access. */ 406 PRIV_START 407 chres = chmod(lfname, chgbits); 408 errsav = errno; 409 PRIV_END 410 res = SQS_CHGOK; 411 if (chres < 0) 412 res = SQS_CHGFAIL; 413 } else if (newbits == LOCK_FILE_MODE) { 414 /* 415 * The file does not exist, but the state requested is 416 * the same as the default state when no file exists. 417 * Thus, there is no need to create the file. 418 */ 419 res = SQS_SKIPCREOK; 420 } else { 421 /* 422 * The file did not exist, so create it with the 423 * appropriate access bits for the requested action. 424 * Push a new umask around that create, to make sure 425 * all the read/write bits are set as desired. 426 */ 427 oldmask = umask(S_IWOTH); 428 PRIV_START 429 fd = open(lfname, O_WRONLY|O_CREAT, newbits); 430 errsav = errno; 431 PRIV_END 432 umask(oldmask); 433 res = SQS_CREFAIL; 434 if (fd >= 0) { 435 res = SQS_CREOK; 436 close(fd); 437 } 438 } 439 440 switch (res) { 441 case SQS_CHGOK: 442 case SQS_CREOK: 443 case SQS_SKIPCREOK: 444 if (okmsg != nomsg) 445 printf("\t%s\n", okmsg); 446 break; 447 case SQS_CREFAIL: 448 printf("\tcannot create lock file: %s\n", 449 strerror(errsav)); 450 break; 451 default: 452 printf("\tcannot %s: %s\n", failmsg, strerror(errsav)); 453 break; 454 } 455 456 return (res); 457 } 458 459 /* routine to get a current timestamp, optionally in a standard-fmt string */ 460 void 461 lpd_gettime(struct timespec *tsp, char *strp, size_t strsize) 462 { 463 struct timespec local_ts; 464 struct timeval btime; 465 char tempstr[TIMESTR_SIZE]; 466 #ifdef STRFTIME_WRONG_z 467 char *destp; 468 #endif 469 470 if (tsp == NULL) 471 tsp = &local_ts; 472 473 /* some platforms have a routine called clock_gettime, but the 474 * routine does nothing but return "not implemented". */ 475 memset(tsp, 0, sizeof(struct timespec)); 476 if (clock_gettime(CLOCK_REALTIME, tsp)) { 477 /* nanosec-aware rtn failed, fall back to microsec-aware rtn */ 478 memset(tsp, 0, sizeof(struct timespec)); 479 gettimeofday(&btime, NULL); 480 tsp->tv_sec = btime.tv_sec; 481 tsp->tv_nsec = btime.tv_usec * 1000; 482 } 483 484 /* caller may not need a character-ized version */ 485 if ((strp == NULL) || (strsize < 1)) 486 return; 487 488 strftime(tempstr, TIMESTR_SIZE, LPD_TIMESTAMP_PATTERN, 489 localtime(&tsp->tv_sec)); 490 491 /* 492 * This check is for implementations of strftime which treat %z 493 * (timezone as [+-]hhmm ) like %Z (timezone as characters), or 494 * completely ignore %z. This section is not needed on freebsd. 495 * I'm not sure this is completely right, but it should work OK 496 * for EST and EDT... 497 */ 498 #ifdef STRFTIME_WRONG_z 499 destp = strrchr(tempstr, ':'); 500 if (destp != NULL) { 501 destp += 3; 502 if ((*destp != '+') && (*destp != '-')) { 503 char savday[6]; 504 int tzmin = timezone / 60; 505 int tzhr = tzmin / 60; 506 if (daylight) 507 tzhr--; 508 strcpy(savday, destp + strlen(destp) - 4); 509 snprintf(destp, (destp - tempstr), "%+03d%02d", 510 (-1*tzhr), tzmin % 60); 511 strcat(destp, savday); 512 } 513 } 514 #endif 515 516 if (strsize > TIMESTR_SIZE) { 517 strsize = TIMESTR_SIZE; 518 strp[TIMESTR_SIZE+1] = '\0'; 519 } 520 strlcpy(strp, tempstr, strsize); 521 } 522 523 /* routines for writing transfer-statistic records */ 524 void 525 trstat_init(struct printer *pp, const char *fname, int filenum) 526 { 527 register const char *srcp; 528 register char *destp, *endp; 529 530 /* 531 * Figure out the job id of this file. The filename should be 532 * 'cf', 'df', or maybe 'tf', followed by a letter (or sometimes 533 * two), followed by the jobnum, followed by a hostname. 534 * The jobnum is usually 3 digits, but might be as many as 5. 535 * Note that some care has to be taken parsing this, as the 536 * filename could be coming from a remote-host, and thus might 537 * not look anything like what is expected... 538 */ 539 memset(pp->jobnum, 0, sizeof(pp->jobnum)); 540 pp->jobnum[0] = '0'; 541 srcp = strchr(fname, '/'); 542 if (srcp == NULL) 543 srcp = fname; 544 destp = &(pp->jobnum[0]); 545 endp = destp + 5; 546 while (*srcp != '\0' && (*srcp < '0' || *srcp > '9')) 547 srcp++; 548 while (*srcp >= '0' && *srcp <= '9' && destp < endp) 549 *(destp++) = *(srcp++); 550 551 /* get the starting time in both numeric and string formats, and 552 * save those away along with the file-number */ 553 pp->jobdfnum = filenum; 554 lpd_gettime(&pp->tr_start, pp->tr_timestr, (size_t)TIMESTR_SIZE); 555 556 return; 557 } 558 559 void 560 trstat_write(struct printer *pp, tr_sendrecv sendrecv, size_t bytecnt, 561 const char *userid, const char *otherhost, const char *orighost) 562 { 563 #define STATLINE_SIZE 1024 564 double trtime; 565 size_t remspace; 566 int statfile; 567 char thishost[MAXHOSTNAMELEN], statline[STATLINE_SIZE]; 568 char *eostat; 569 const char *lprhost, *recvdev, *recvhost, *rectype; 570 const char *sendhost, *statfname; 571 #define UPD_EOSTAT(xStr) do { \ 572 eostat = strchr(xStr, '\0'); \ 573 remspace = eostat - xStr; \ 574 } while(0) 575 576 lpd_gettime(&pp->tr_done, NULL, (size_t)0); 577 trtime = DIFFTIME_TS(pp->tr_done, pp->tr_start); 578 579 gethostname(thishost, sizeof(thishost)); 580 lprhost = sendhost = recvhost = recvdev = NULL; 581 switch (sendrecv) { 582 case TR_SENDING: 583 rectype = "send"; 584 statfname = pp->stat_send; 585 sendhost = thishost; 586 recvhost = otherhost; 587 break; 588 case TR_RECVING: 589 rectype = "recv"; 590 statfname = pp->stat_recv; 591 sendhost = otherhost; 592 recvhost = thishost; 593 break; 594 case TR_PRINTING: 595 /* 596 * This case is for copying to a device (presumably local, 597 * though filters using things like 'net/CAP' can confuse 598 * this assumption...). 599 */ 600 rectype = "prnt"; 601 statfname = pp->stat_send; 602 sendhost = thishost; 603 recvdev = _PATH_DEFDEVLP; 604 if (pp->lp) recvdev = pp->lp; 605 break; 606 default: 607 /* internal error... should we syslog/printf an error? */ 608 return; 609 } 610 if (statfname == NULL) 611 return; 612 613 /* 614 * the original-host and userid are found out by reading thru the 615 * cf (control-file) for the job. Unfortunately, on incoming jobs 616 * the df's (data-files) are sent before the matching cf, so the 617 * orighost & userid are generally not-available for incoming jobs. 618 * 619 * (it would be nice to create a work-around for that..) 620 */ 621 if (orighost && (*orighost != '\0')) 622 lprhost = orighost; 623 else 624 lprhost = ".na."; 625 if (*userid == '\0') 626 userid = NULL; 627 628 /* 629 * Format of statline. 630 * Some of the keywords listed here are not implemented here, but 631 * they are listed to reserve the meaning for a given keyword. 632 * Fields are separated by a blank. The fields in statline are: 633 * <tstamp> - time the transfer started 634 * <ptrqueue> - name of the printer queue (the short-name...) 635 * <hname> - hostname the file originally came from (the 636 * 'lpr host'), if known, or "_na_" if not known. 637 * <xxx> - id of job from that host (generally three digits) 638 * <n> - file count (# of file within job) 639 * <rectype> - 4-byte field indicating the type of transfer 640 * statistics record. "send" means it's from the 641 * host sending a datafile, "recv" means it's from 642 * a host as it receives a datafile. 643 * user=<userid> - user who sent the job (if known) 644 * secs=<n> - seconds it took to transfer the file 645 * bytes=<n> - number of bytes transferred (ie, "bytecount") 646 * bps=<n.n>e<n> - Bytes/sec (if the transfer was "big enough" 647 * for this to be useful) 648 * ! top=<str> - type of printer (if the type is defined in 649 * printcap, and if this statline is for sending 650 * a file to that ptr) 651 * ! qls=<n> - queue-length at start of send/print-ing a job 652 * ! qle=<n> - queue-length at end of send/print-ing a job 653 * sip=<addr> - IP address of sending host, only included when 654 * receiving a job. 655 * shost=<hname> - sending host (if that does != the original host) 656 * rhost=<hname> - hostname receiving the file (ie, "destination") 657 * rdev=<dev> - device receiving the file, when the file is being 658 * send to a device instead of a remote host. 659 * 660 * Note: A single print job may be transferred multiple times. The 661 * original 'lpr' occurs on one host, and that original host might 662 * send to some interim host (or print server). That interim host 663 * might turn around and send the job to yet another host (most likely 664 * the real printer). The 'shost=' parameter is only included if the 665 * sending host for this particular transfer is NOT the same as the 666 * host which did the original 'lpr'. 667 * 668 * Many values have 'something=' tags before them, because they are 669 * in some sense "optional", or their order may vary. "Optional" may 670 * mean in the sense that different SITES might choose to have other 671 * fields in the record, or that some fields are only included under 672 * some circumstances. Programs processing these records should not 673 * assume the order or existence of any of these keyword fields. 674 */ 675 snprintf(statline, STATLINE_SIZE, "%s %s %s %s %03ld %s", 676 pp->tr_timestr, pp->printer, lprhost, pp->jobnum, 677 pp->jobdfnum, rectype); 678 UPD_EOSTAT(statline); 679 680 if (userid != NULL) { 681 snprintf(eostat, remspace, " user=%s", userid); 682 UPD_EOSTAT(statline); 683 } 684 snprintf(eostat, remspace, " secs=%#.2f bytes=%lu", trtime, 685 (unsigned long)bytecnt); 686 UPD_EOSTAT(statline); 687 688 /* 689 * The bps field duplicates info from bytes and secs, so do 690 * not bother to include it for very small files. 691 */ 692 if ((bytecnt > 25000) && (trtime > 1.1)) { 693 snprintf(eostat, remspace, " bps=%#.2e", 694 ((double)bytecnt/trtime)); 695 UPD_EOSTAT(statline); 696 } 697 698 if (sendrecv == TR_RECVING) { 699 if (remspace > 5+strlen(from_ip) ) { 700 snprintf(eostat, remspace, " sip=%s", from_ip); 701 UPD_EOSTAT(statline); 702 } 703 } 704 if (0 != strcmp(lprhost, sendhost)) { 705 if (remspace > 7+strlen(sendhost) ) { 706 snprintf(eostat, remspace, " shost=%s", sendhost); 707 UPD_EOSTAT(statline); 708 } 709 } 710 if (recvhost) { 711 if (remspace > 7+strlen(recvhost) ) { 712 snprintf(eostat, remspace, " rhost=%s", recvhost); 713 UPD_EOSTAT(statline); 714 } 715 } 716 if (recvdev) { 717 if (remspace > 6+strlen(recvdev) ) { 718 snprintf(eostat, remspace, " rdev=%s", recvdev); 719 UPD_EOSTAT(statline); 720 } 721 } 722 if (remspace > 1) { 723 strcpy(eostat, "\n"); 724 } else { 725 /* probably should back up to just before the final " x=".. */ 726 strcpy(statline+STATLINE_SIZE-2, "\n"); 727 } 728 statfile = open(statfname, O_WRONLY|O_APPEND, 0664); 729 if (statfile < 0) { 730 /* statfile was given, but we can't open it. should we 731 * syslog/printf this as an error? */ 732 return; 733 } 734 write(statfile, statline, strlen(statline)); 735 close(statfile); 736 737 return; 738 #undef UPD_EOSTAT 739 } 740 741 #include <stdarg.h> 742 743 void 744 fatal(const struct printer *pp, const char *msg, ...) 745 { 746 va_list ap; 747 va_start(ap, msg); 748 /* this error message is being sent to the 'from_host' */ 749 if (from_host != local_host) 750 (void)printf("%s: ", local_host); 751 (void)printf("%s: ", progname); 752 if (pp && pp->printer) 753 (void)printf("%s: ", pp->printer); 754 (void)vprintf(msg, ap); 755 va_end(ap); 756 (void)putchar('\n'); 757 exit(1); 758 } 759 760 /* 761 * Close all file descriptors from START on up. 762 */ 763 void 764 closeallfds(int start) 765 { 766 int stop; 767 768 if (USE_CLOSEFROM) /* The faster, modern solution */ 769 closefrom(start); 770 else { 771 /* This older logic can be pretty awful on some OS's. The 772 * getdtablesize() might return ``infinity'', and then this 773 * will waste a lot of time closing file descriptors which 774 * had never been open()-ed. */ 775 stop = getdtablesize(); 776 for (; start < stop; start++) 777 close(start); 778 } 779 } 780 781