common.c revision 139464
11553Srgrimes/* 21553Srgrimes * Copyright (c) 1983, 1993 31553Srgrimes * The Regents of the University of California. All rights reserved. 41553Srgrimes * (c) UNIX System Laboratories, Inc. 51553Srgrimes * All or some portions of this file are derived from material licensed 61553Srgrimes * to the University of California by American Telephone and Telegraph 71553Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with 81553Srgrimes * the permission of UNIX System Laboratories, Inc. 91553Srgrimes * 101553Srgrimes * Redistribution and use in source and binary forms, with or without 111553Srgrimes * modification, are permitted provided that the following conditions 121553Srgrimes * are met: 131553Srgrimes * 1. Redistributions of source code must retain the above copyright 141553Srgrimes * notice, this list of conditions and the following disclaimer. 151553Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161553Srgrimes * notice, this list of conditions and the following disclaimer in the 171553Srgrimes * documentation and/or other materials provided with the distribution. 181553Srgrimes * 3. All advertising materials mentioning features or use of this software 191553Srgrimes * must display the following acknowledgement: 201553Srgrimes * This product includes software developed by the University of 211553Srgrimes * California, Berkeley and its contributors. 221553Srgrimes * 4. Neither the name of the University nor the names of its contributors 231553Srgrimes * may be used to endorse or promote products derived from this software 241553Srgrimes * without specific prior written permission. 251553Srgrimes * 261553Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 271553Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 281553Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 291553Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 301553Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 311553Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 321553Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 331553Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 341553Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 351553Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 361553Srgrimes * SUCH DAMAGE. 371553Srgrimes */ 381553Srgrimes 39117541Sgad#if 0 40117592Sgad#ifndef lint 4115648Sjoergstatic char sccsid[] = "@(#)common.c 8.5 (Berkeley) 4/28/95"; 42117592Sgad#endif /* not lint */ 43117541Sgad#endif 44117592Sgad 45117541Sgad#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */ 46117541Sgad__FBSDID("$FreeBSD: head/usr.sbin/lpr/common_source/common.c 139464 2004-12-31 00:36:28Z gad $"); 471553Srgrimes 481553Srgrimes#include <sys/param.h> 491553Srgrimes#include <sys/stat.h> 5015648Sjoerg#include <sys/time.h> 5168253Sgad#include <sys/types.h> 521553Srgrimes 53139464Sgad#include <ctype.h> 541553Srgrimes#include <dirent.h> 5598152Sgad#include <errno.h> 5668253Sgad#include <fcntl.h> 5731492Swollman#include <stdio.h> 581553Srgrimes#include <stdlib.h> 591553Srgrimes#include <string.h> 6031492Swollman#include <unistd.h> 6131492Swollman 621553Srgrimes#include "lp.h" 6331492Swollman#include "lp.local.h" 641553Srgrimes#include "pathnames.h" 651553Srgrimes 661553Srgrimes/* 671553Srgrimes * Routines and data common to all the line printer functions. 681553Srgrimes */ 691553Srgrimeschar line[BUFSIZ]; 7078280Sgadconst char *progname; /* program name */ 711553Srgrimes 7227618Simpextern uid_t uid, euid; 7327618Simp 7478146Sgadstatic int compar(const void *_p1, const void *_p2); 751553Srgrimes 761553Srgrimes/* 77139464Sgad * isdigit() takes a parameter of 'int', but expect values in the range 78139464Sgad * of unsigned char. Define a wrapper which takes a value of type 'char', 79139464Sgad * whether signed or unsigned, and ensure it ends up in the right range. 80139464Sgad */ 81139464Sgad#define isdigitch(Anychar) isdigit((u_char)(Anychar)) 82139464Sgad 83139464Sgad/* 841553Srgrimes * Getline reads a line from the control file cfp, removes tabs, converts 851553Srgrimes * new-line to null and leaves it in line. 861553Srgrimes * Returns 0 at EOF or the number of characters read. 871553Srgrimes */ 881553Srgrimesint 8978146Sgadgetline(FILE *cfp) 901553Srgrimes{ 911553Srgrimes register int linel = 0; 921553Srgrimes register char *lp = line; 9339084Swollman register int c; 941553Srgrimes 9580172Sgad while ((c = getc(cfp)) != '\n' && (size_t)(linel+1) < sizeof(line)) { 961553Srgrimes if (c == EOF) 971553Srgrimes return(0); 981553Srgrimes if (c == '\t') { 991553Srgrimes do { 1001553Srgrimes *lp++ = ' '; 1011553Srgrimes linel++; 10280172Sgad } while ((linel & 07) != 0 && (size_t)(linel+1) < 10380172Sgad sizeof(line)); 1041553Srgrimes continue; 1051553Srgrimes } 1061553Srgrimes *lp++ = c; 1071553Srgrimes linel++; 1081553Srgrimes } 1091553Srgrimes *lp++ = '\0'; 1101553Srgrimes return(linel); 1111553Srgrimes} 1121553Srgrimes 1131553Srgrimes/* 1141553Srgrimes * Scan the current directory and make a list of daemon files sorted by 1151553Srgrimes * creation time. 1161553Srgrimes * Return the number of entries and a pointer to the list. 1171553Srgrimes */ 1181553Srgrimesint 11978146Sgadgetq(const struct printer *pp, struct jobqueue *(*namelist[])) 1201553Srgrimes{ 1211553Srgrimes register struct dirent *d; 12268401Sgad register struct jobqueue *q, **queue; 12399842Sgad size_t arraysz, entrysz, nitems; 1241553Srgrimes struct stat stbuf; 1251553Srgrimes DIR *dirp; 12680172Sgad int statres; 1271553Srgrimes 12827618Simp seteuid(euid); 12968740Sgad if ((dirp = opendir(pp->spool_dir)) == NULL) { 13068740Sgad seteuid(uid); 13168739Sgad return (-1); 13268740Sgad } 1331553Srgrimes if (fstat(dirp->dd_fd, &stbuf) < 0) 1341553Srgrimes goto errdone; 13527618Simp seteuid(uid); 1361553Srgrimes 1371553Srgrimes /* 1381553Srgrimes * Estimate the array size by taking the size of the directory file 13927618Simp * and dividing it by a multiple of the minimum size entry. 1401553Srgrimes */ 1411553Srgrimes arraysz = (stbuf.st_size / 24); 14268401Sgad queue = (struct jobqueue **)malloc(arraysz * sizeof(struct jobqueue *)); 1431553Srgrimes if (queue == NULL) 1441553Srgrimes goto errdone; 1451553Srgrimes 1461553Srgrimes nitems = 0; 1471553Srgrimes while ((d = readdir(dirp)) != NULL) { 1481553Srgrimes if (d->d_name[0] != 'c' || d->d_name[1] != 'f') 1491553Srgrimes continue; /* daemon control files only */ 15027618Simp seteuid(euid); 15175253Sgad statres = stat(d->d_name, &stbuf); 15275253Sgad seteuid(uid); 15375253Sgad if (statres < 0) 1541553Srgrimes continue; /* Doesn't exist */ 15599842Sgad entrysz = sizeof(struct jobqueue) - sizeof(q->job_cfname) + 15699842Sgad strlen(d->d_name) + 1; 15799842Sgad q = (struct jobqueue *)malloc(entrysz); 1581553Srgrimes if (q == NULL) 1591553Srgrimes goto errdone; 16099842Sgad q->job_matched = 0; 16199842Sgad q->job_processed = 0; 16268401Sgad q->job_time = stbuf.st_mtime; 16368401Sgad strcpy(q->job_cfname, d->d_name); 1641553Srgrimes /* 1651553Srgrimes * Check to make sure the array has space left and 1661553Srgrimes * realloc the maximum size. 1671553Srgrimes */ 1681553Srgrimes if (++nitems > arraysz) { 16915648Sjoerg arraysz *= 2; 17068401Sgad queue = (struct jobqueue **)realloc((char *)queue, 17168739Sgad arraysz * sizeof(struct jobqueue *)); 1721553Srgrimes if (queue == NULL) 1731553Srgrimes goto errdone; 1741553Srgrimes } 1751553Srgrimes queue[nitems-1] = q; 1761553Srgrimes } 1771553Srgrimes closedir(dirp); 1781553Srgrimes if (nitems) 17968401Sgad qsort(queue, nitems, sizeof(struct jobqueue *), compar); 1801553Srgrimes *namelist = queue; 1811553Srgrimes return(nitems); 1821553Srgrimes 1831553Srgrimeserrdone: 1841553Srgrimes closedir(dirp); 18568740Sgad seteuid(uid); 18668739Sgad return (-1); 1871553Srgrimes} 1881553Srgrimes 1891553Srgrimes/* 1901553Srgrimes * Compare modification times. 1911553Srgrimes */ 1921553Srgrimesstatic int 19378146Sgadcompar(const void *p1, const void *p2) 1941553Srgrimes{ 19568401Sgad const struct jobqueue *qe1, *qe2; 19668739Sgad 19795290Sgad qe1 = *(const struct jobqueue * const *)p1; 19895290Sgad qe2 = *(const struct jobqueue * const *)p2; 19959920Swollman 20068401Sgad if (qe1->job_time < qe2->job_time) 20159920Swollman return (-1); 20268401Sgad if (qe1->job_time > qe2->job_time) 20359920Swollman return (1); 20459920Swollman /* 20559920Swollman * At this point, the two files have the same last-modification time. 20659920Swollman * return a result based on filenames, so that 'cfA001some.host' will 20759920Swollman * come before 'cfA002some.host'. Since the jobid ('001') will wrap 20859920Swollman * around when it gets to '999', we also assume that '9xx' jobs are 20959920Swollman * older than '0xx' jobs. 21059920Swollman */ 21168401Sgad if ((qe1->job_cfname[3] == '9') && (qe2->job_cfname[3] == '0')) 21259920Swollman return (-1); 21368401Sgad if ((qe1->job_cfname[3] == '0') && (qe2->job_cfname[3] == '9')) 21459920Swollman return (1); 21568401Sgad return (strcmp(qe1->job_cfname, qe2->job_cfname)); 2161553Srgrimes} 2171553Srgrimes 218139464Sgad/* 219139464Sgad * A simple routine to determine the job number for a print job based on 220139464Sgad * the name of its control file. The algorithm used here may look odd, but 221139464Sgad * the main issue is that all parts of `lpd', `lpc', `lpq' & `lprm' must be 222139464Sgad * using the same algorithm, whatever that algorithm may be. If the caller 223139464Sgad * provides a non-null value for ''hostpp', then this returns a pointer to 224139464Sgad * the start of the hostname (or IP address?) as found in the filename. 225139464Sgad * 226139464Sgad * Algorithm: The standard `cf' file has the job number start in position 4, 227139464Sgad * but some implementations have that as an extra file-sequence letter, and 228139464Sgad * start the job number in position 5. The job number is usually three bytes, 229139464Sgad * but may be as many as five. Confusing matters still more, some Windows 230139464Sgad * print servers will append an IP address to the job number, instead of 231139464Sgad * the expected hostname. So, if the job number ends with a '.', then 232139464Sgad * assume the correct jobnum value is the first three digits. 233139464Sgad */ 234139464Sgadint 235139464Sgadcalc_jobnum(const char *cfname, const char **hostpp) 236139464Sgad{ 237139464Sgad int jnum; 238139464Sgad const char *cp, *numstr, *hoststr; 239139464Sgad 240139464Sgad numstr = cfname + 3; 241139464Sgad if (!isdigitch(*numstr)) 242139464Sgad numstr++; 243139464Sgad jnum = 0; 244139464Sgad for (cp = numstr; (cp < numstr + 5) && isdigitch(*cp); cp++) 245139464Sgad jnum = jnum * 10 + (*cp - '0'); 246139464Sgad hoststr = cp; 247139464Sgad 248139464Sgad /* 249139464Sgad * If the filename was built with an IP number instead of a hostname, 250139464Sgad * then recalculate using only the first three digits found. 251139464Sgad */ 252139464Sgad while(isdigitch(*cp)) 253139464Sgad cp++; 254139464Sgad if (*cp == '.') { 255139464Sgad jnum = 0; 256139464Sgad for (cp = numstr; (cp < numstr + 3) && isdigitch(*cp); cp++) 257139464Sgad jnum = jnum * 10 + (*cp - '0'); 258139464Sgad hoststr = cp; 259139464Sgad } 260139464Sgad if (hostpp != NULL) 261139464Sgad *hostpp = hoststr; 262139464Sgad return (jnum); 263139464Sgad} 264139464Sgad 26515648Sjoerg/* sleep n milliseconds */ 26615648Sjoergvoid 26778146Sgaddelay(int millisec) 26815648Sjoerg{ 26915648Sjoerg struct timeval tdelay; 27015648Sjoerg 27178146Sgad if (millisec <= 0 || millisec > 10000) 27231492Swollman fatal((struct printer *)0, /* fatal() knows how to deal */ 27378146Sgad "unreasonable delay period (%d)", millisec); 27478146Sgad tdelay.tv_sec = millisec / 1000; 27578146Sgad tdelay.tv_usec = millisec * 1000 % 1000000; 27615648Sjoerg (void) select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &tdelay); 27715648Sjoerg} 27815648Sjoerg 27931492Swollmanchar * 28078146Sgadlock_file_name(const struct printer *pp, char *buf, size_t len) 28131492Swollman{ 28231492Swollman static char staticbuf[MAXPATHLEN]; 28331492Swollman 28431492Swollman if (buf == 0) 28531492Swollman buf = staticbuf; 28631492Swollman if (len == 0) 28731492Swollman len = MAXPATHLEN; 28831492Swollman 28979740Sgad if (pp->lock_file[0] == '/') 29079740Sgad strlcpy(buf, pp->lock_file, len); 29179740Sgad else 29231492Swollman snprintf(buf, len, "%s/%s", pp->spool_dir, pp->lock_file); 29379740Sgad 29431492Swollman return buf; 29531492Swollman} 29631492Swollman 29731492Swollmanchar * 29878146Sgadstatus_file_name(const struct printer *pp, char *buf, size_t len) 29931492Swollman{ 30031492Swollman static char staticbuf[MAXPATHLEN]; 30131492Swollman 30231492Swollman if (buf == 0) 30331492Swollman buf = staticbuf; 30431492Swollman if (len == 0) 30531492Swollman len = MAXPATHLEN; 30631492Swollman 30779740Sgad if (pp->status_file[0] == '/') 30879740Sgad strlcpy(buf, pp->status_file, len); 30979740Sgad else 31031492Swollman snprintf(buf, len, "%s/%s", pp->spool_dir, pp->status_file); 31179740Sgad 31231492Swollman return buf; 31331492Swollman} 31431492Swollman 31598152Sgad/* 31698152Sgad * Routine to change operational state of a print queue. The operational 31798154Sgad * state is indicated by the access bits on the lock file for the queue. 31898152Sgad * At present, this is only called from various routines in lpc/cmds.c. 31998152Sgad * 32098152Sgad * XXX - Note that this works by changing access-bits on the 32198152Sgad * file, and you can only do that if you are the owner of 32298152Sgad * the file, or root. Thus, this won't really work for 32398152Sgad * userids in the "LPR_OPER" group, unless lpc is running 32498152Sgad * setuid to root (or maybe setuid to daemon). 32598152Sgad * Generally lpc is installed setgid to daemon, but does 32698152Sgad * not run setuid. 32798152Sgad */ 32898152Sgadint 32998152Sgadset_qstate(int action, const char *lfname) 33098152Sgad{ 33198152Sgad struct stat stbuf; 33298152Sgad mode_t chgbits, newbits, oldmask; 33398152Sgad const char *failmsg, *okmsg; 33499844Sgad static const char *nomsg = "no state msg"; 33598152Sgad int chres, errsav, fd, res, statres; 33698152Sgad 33798152Sgad /* 33898152Sgad * Find what the current access-bits are. 33998152Sgad */ 34098152Sgad memset(&stbuf, 0, sizeof(stbuf)); 34198152Sgad seteuid(euid); 34298152Sgad statres = stat(lfname, &stbuf); 34398152Sgad errsav = errno; 34498152Sgad seteuid(uid); 34598152Sgad if ((statres < 0) && (errsav != ENOENT)) { 34698152Sgad printf("\tcannot stat() lock file\n"); 34798152Sgad return (SQS_STATFAIL); 34898152Sgad /* NOTREACHED */ 34998152Sgad } 35098152Sgad 35198152Sgad /* 35298152Sgad * Determine which bit(s) should change for the requested action. 35398152Sgad */ 35498152Sgad chgbits = stbuf.st_mode; 35598152Sgad newbits = LOCK_FILE_MODE; 35698152Sgad okmsg = NULL; 35798152Sgad failmsg = NULL; 35899844Sgad if (action & SQS_QCHANGED) { 35999844Sgad chgbits |= LFM_RESET_QUE; 36099844Sgad newbits |= LFM_RESET_QUE; 36199844Sgad /* The okmsg is not actually printed for this case. */ 36299844Sgad okmsg = nomsg; 36399844Sgad failmsg = "set queue-changed"; 36499844Sgad } 36598152Sgad if (action & SQS_DISABLEQ) { 36698152Sgad chgbits |= LFM_QUEUE_DIS; 36798152Sgad newbits |= LFM_QUEUE_DIS; 36898152Sgad okmsg = "queuing disabled"; 36998152Sgad failmsg = "disable queuing"; 37098152Sgad } 37198152Sgad if (action & SQS_STOPP) { 37298152Sgad chgbits |= LFM_PRINT_DIS; 37398152Sgad newbits |= LFM_PRINT_DIS; 37498152Sgad okmsg = "printing disabled"; 37598152Sgad failmsg = "disable printing"; 37698152Sgad if (action & SQS_DISABLEQ) { 37798152Sgad okmsg = "printer and queuing disabled"; 37898152Sgad failmsg = "disable queuing and printing"; 37998152Sgad } 38098152Sgad } 38198152Sgad if (action & SQS_ENABLEQ) { 38298152Sgad chgbits &= ~LFM_QUEUE_DIS; 38398152Sgad newbits &= ~LFM_QUEUE_DIS; 38498152Sgad okmsg = "queuing enabled"; 38598152Sgad failmsg = "enable queuing"; 38698152Sgad } 38798152Sgad if (action & SQS_STARTP) { 38898152Sgad chgbits &= ~LFM_PRINT_DIS; 38998152Sgad newbits &= ~LFM_PRINT_DIS; 39098152Sgad okmsg = "printing enabled"; 39198152Sgad failmsg = "enable printing"; 39298152Sgad } 39398152Sgad if (okmsg == NULL) { 39498152Sgad /* This routine was called with an invalid action. */ 39598152Sgad printf("\t<error in set_qstate!>\n"); 39698152Sgad return (SQS_PARMERR); 39798152Sgad /* NOTREACHED */ 39898152Sgad } 39998152Sgad 40098152Sgad res = 0; 40198152Sgad if (statres >= 0) { 40298152Sgad /* The file already exists, so change the access. */ 40398152Sgad seteuid(euid); 40498152Sgad chres = chmod(lfname, chgbits); 40598152Sgad errsav = errno; 40698152Sgad seteuid(uid); 40798152Sgad res = SQS_CHGOK; 40899845Sgad if (chres < 0) 40998152Sgad res = SQS_CHGFAIL; 41098152Sgad } else if (newbits == LOCK_FILE_MODE) { 41198152Sgad /* 41298152Sgad * The file does not exist, but the state requested is 41398152Sgad * the same as the default state when no file exists. 41498152Sgad * Thus, there is no need to create the file. 41598152Sgad */ 41698152Sgad res = SQS_SKIPCREOK; 41798152Sgad } else { 41898152Sgad /* 41998152Sgad * The file did not exist, so create it with the 42098152Sgad * appropriate access bits for the requested action. 42198152Sgad * Push a new umask around that create, to make sure 42298152Sgad * all the read/write bits are set as desired. 42398152Sgad */ 42498152Sgad oldmask = umask(S_IWOTH); 42598152Sgad seteuid(euid); 42698152Sgad fd = open(lfname, O_WRONLY|O_CREAT, newbits); 42798152Sgad errsav = errno; 42898152Sgad seteuid(uid); 42998152Sgad umask(oldmask); 43098152Sgad res = SQS_CREFAIL; 43198152Sgad if (fd >= 0) { 43298152Sgad res = SQS_CREOK; 43398152Sgad close(fd); 43498152Sgad } 43598152Sgad } 43698152Sgad 43798152Sgad switch (res) { 43898152Sgad case SQS_CHGOK: 43998152Sgad case SQS_CREOK: 44098152Sgad case SQS_SKIPCREOK: 44199844Sgad if (okmsg != nomsg) 44299844Sgad printf("\t%s\n", okmsg); 44398152Sgad break; 44498152Sgad case SQS_CREFAIL: 44598152Sgad printf("\tcannot create lock file: %s\n", 44698152Sgad strerror(errsav)); 44798152Sgad break; 44898152Sgad default: 44998152Sgad printf("\tcannot %s: %s\n", failmsg, strerror(errsav)); 45098152Sgad break; 45198152Sgad } 45298152Sgad 45398152Sgad return (res); 45498152Sgad} 45598152Sgad 45668253Sgad/* routine to get a current timestamp, optionally in a standard-fmt string */ 45768253Sgadvoid 45879740Sgadlpd_gettime(struct timespec *tsp, char *strp, size_t strsize) 45968253Sgad{ 46068253Sgad struct timespec local_ts; 46168253Sgad struct timeval btime; 46280172Sgad char tempstr[TIMESTR_SIZE]; 46380172Sgad#ifdef STRFTIME_WRONG_z 46468739Sgad char *destp; 46580172Sgad#endif 46680172Sgad 46768253Sgad if (tsp == NULL) 46868253Sgad tsp = &local_ts; 46968253Sgad 47068253Sgad /* some platforms have a routine called clock_gettime, but the 47168253Sgad * routine does nothing but return "not implemented". */ 47268253Sgad memset(tsp, 0, sizeof(struct timespec)); 47368253Sgad if (clock_gettime(CLOCK_REALTIME, tsp)) { 47468253Sgad /* nanosec-aware rtn failed, fall back to microsec-aware rtn */ 47568253Sgad memset(tsp, 0, sizeof(struct timespec)); 47668253Sgad gettimeofday(&btime, NULL); 47768253Sgad tsp->tv_sec = btime.tv_sec; 47868253Sgad tsp->tv_nsec = btime.tv_usec * 1000; 47968253Sgad } 48068253Sgad 48168253Sgad /* caller may not need a character-ized version */ 48268253Sgad if ((strp == NULL) || (strsize < 1)) 48368253Sgad return; 48468253Sgad 48568253Sgad strftime(tempstr, TIMESTR_SIZE, LPD_TIMESTAMP_PATTERN, 48668253Sgad localtime(&tsp->tv_sec)); 48768253Sgad 48868253Sgad /* 48968253Sgad * This check is for implementations of strftime which treat %z 49068253Sgad * (timezone as [+-]hhmm ) like %Z (timezone as characters), or 49168253Sgad * completely ignore %z. This section is not needed on freebsd. 49268253Sgad * I'm not sure this is completely right, but it should work OK 49368253Sgad * for EST and EDT... 49468253Sgad */ 49568253Sgad#ifdef STRFTIME_WRONG_z 49668253Sgad destp = strrchr(tempstr, ':'); 49768253Sgad if (destp != NULL) { 49868253Sgad destp += 3; 49968253Sgad if ((*destp != '+') && (*destp != '-')) { 50068253Sgad char savday[6]; 50168253Sgad int tzmin = timezone / 60; 50268253Sgad int tzhr = tzmin / 60; 50368253Sgad if (daylight) 50468253Sgad tzhr--; 50568253Sgad strcpy(savday, destp + strlen(destp) - 4); 50668253Sgad snprintf(destp, (destp - tempstr), "%+03d%02d", 50768739Sgad (-1*tzhr), tzmin % 60); 50868253Sgad strcat(destp, savday); 50968253Sgad } 51068253Sgad } 51168253Sgad#endif 51268253Sgad 51368253Sgad if (strsize > TIMESTR_SIZE) { 51468253Sgad strsize = TIMESTR_SIZE; 51568253Sgad strp[TIMESTR_SIZE+1] = '\0'; 51668253Sgad } 51779740Sgad strlcpy(strp, tempstr, strsize); 51868253Sgad} 51968253Sgad 52068253Sgad/* routines for writing transfer-statistic records */ 52168253Sgadvoid 52278146Sgadtrstat_init(struct printer *pp, const char *fname, int filenum) 52368253Sgad{ 52468253Sgad register const char *srcp; 52568253Sgad register char *destp, *endp; 52668253Sgad 52768253Sgad /* 52868253Sgad * Figure out the job id of this file. The filename should be 52968253Sgad * 'cf', 'df', or maybe 'tf', followed by a letter (or sometimes 53068253Sgad * two), followed by the jobnum, followed by a hostname. 53168253Sgad * The jobnum is usually 3 digits, but might be as many as 5. 53268253Sgad * Note that some care has to be taken parsing this, as the 53368253Sgad * filename could be coming from a remote-host, and thus might 53468253Sgad * not look anything like what is expected... 53568253Sgad */ 53668253Sgad memset(pp->jobnum, 0, sizeof(pp->jobnum)); 53768253Sgad pp->jobnum[0] = '0'; 53868253Sgad srcp = strchr(fname, '/'); 53968253Sgad if (srcp == NULL) 54068253Sgad srcp = fname; 54168253Sgad destp = &(pp->jobnum[0]); 54268253Sgad endp = destp + 5; 54368253Sgad while (*srcp != '\0' && (*srcp < '0' || *srcp > '9')) 54468253Sgad srcp++; 54568253Sgad while (*srcp >= '0' && *srcp <= '9' && destp < endp) 54668253Sgad *(destp++) = *(srcp++); 54768253Sgad 54868253Sgad /* get the starting time in both numeric and string formats, and 54968253Sgad * save those away along with the file-number */ 55068253Sgad pp->jobdfnum = filenum; 55179740Sgad lpd_gettime(&pp->tr_start, pp->tr_timestr, (size_t)TIMESTR_SIZE); 55268253Sgad 55368253Sgad return; 55468253Sgad} 55568253Sgad 55668253Sgadvoid 55778146Sgadtrstat_write(struct printer *pp, tr_sendrecv sendrecv, size_t bytecnt, 55878146Sgad const char *userid, const char *otherhost, const char *orighost) 55968253Sgad{ 56068253Sgad#define STATLINE_SIZE 1024 56168739Sgad double trtime; 56280172Sgad size_t remspace; 56380172Sgad int statfile; 56468739Sgad char thishost[MAXHOSTNAMELEN], statline[STATLINE_SIZE]; 56568739Sgad char *eostat; 56668739Sgad const char *lprhost, *recvdev, *recvhost, *rectype; 56768739Sgad const char *sendhost, *statfname; 56868253Sgad#define UPD_EOSTAT(xStr) do { \ 56968253Sgad eostat = strchr(xStr, '\0'); \ 57068253Sgad remspace = eostat - xStr; \ 57168253Sgad} while(0) 57280172Sgad 57379740Sgad lpd_gettime(&pp->tr_done, NULL, (size_t)0); 57468253Sgad trtime = DIFFTIME_TS(pp->tr_done, pp->tr_start); 57568253Sgad 57668253Sgad gethostname(thishost, sizeof(thishost)); 57768253Sgad lprhost = sendhost = recvhost = recvdev = NULL; 57868253Sgad switch (sendrecv) { 57968253Sgad case TR_SENDING: 58068253Sgad rectype = "send"; 58168253Sgad statfname = pp->stat_send; 58268253Sgad sendhost = thishost; 58368253Sgad recvhost = otherhost; 58468253Sgad break; 58568253Sgad case TR_RECVING: 58668253Sgad rectype = "recv"; 58768253Sgad statfname = pp->stat_recv; 58868253Sgad sendhost = otherhost; 58968253Sgad recvhost = thishost; 59068253Sgad break; 59168253Sgad case TR_PRINTING: 59268739Sgad /* 59368739Sgad * This case is for copying to a device (presumably local, 59468739Sgad * though filters using things like 'net/CAP' can confuse 59568739Sgad * this assumption...). 59668739Sgad */ 59768253Sgad rectype = "prnt"; 59868253Sgad statfname = pp->stat_send; 59968253Sgad sendhost = thishost; 60068253Sgad recvdev = _PATH_DEFDEVLP; 60168253Sgad if (pp->lp) recvdev = pp->lp; 60268253Sgad break; 60368253Sgad default: 60468253Sgad /* internal error... should we syslog/printf an error? */ 60568253Sgad return; 60668253Sgad } 60768739Sgad if (statfname == NULL) 60868739Sgad return; 60968253Sgad 61068253Sgad /* 61168253Sgad * the original-host and userid are found out by reading thru the 61268253Sgad * cf (control-file) for the job. Unfortunately, on incoming jobs 61368253Sgad * the df's (data-files) are sent before the matching cf, so the 61468253Sgad * orighost & userid are generally not-available for incoming jobs. 61568253Sgad * 61668253Sgad * (it would be nice to create a work-around for that..) 61768739Sgad */ 61868253Sgad if (orighost && (*orighost != '\0')) 61968253Sgad lprhost = orighost; 62068253Sgad else 62168253Sgad lprhost = ".na."; 62268739Sgad if (*userid == '\0') 62368739Sgad userid = NULL; 62468253Sgad 62568253Sgad /* 62668253Sgad * Format of statline. 62768253Sgad * Some of the keywords listed here are not implemented here, but 62868253Sgad * they are listed to reserve the meaning for a given keyword. 62968253Sgad * Fields are separated by a blank. The fields in statline are: 63068253Sgad * <tstamp> - time the transfer started 63168253Sgad * <ptrqueue> - name of the printer queue (the short-name...) 63268253Sgad * <hname> - hostname the file originally came from (the 63368253Sgad * 'lpr host'), if known, or "_na_" if not known. 63468253Sgad * <xxx> - id of job from that host (generally three digits) 63568253Sgad * <n> - file count (# of file within job) 63668253Sgad * <rectype> - 4-byte field indicating the type of transfer 63768253Sgad * statistics record. "send" means it's from the 63868253Sgad * host sending a datafile, "recv" means it's from 63968253Sgad * a host as it receives a datafile. 64068253Sgad * user=<userid> - user who sent the job (if known) 64168253Sgad * secs=<n> - seconds it took to transfer the file 64268253Sgad * bytes=<n> - number of bytes transfered (ie, "bytecount") 64368253Sgad * bps=<n.n>e<n> - Bytes/sec (if the transfer was "big enough" 64468253Sgad * for this to be useful) 64568253Sgad * ! top=<str> - type of printer (if the type is defined in 64668253Sgad * printcap, and if this statline is for sending 64768253Sgad * a file to that ptr) 64868253Sgad * ! qls=<n> - queue-length at start of send/print-ing a job 64968253Sgad * ! qle=<n> - queue-length at end of send/print-ing a job 65068253Sgad * sip=<addr> - IP address of sending host, only included when 65168253Sgad * receiving a job. 65268253Sgad * shost=<hname> - sending host (if that does != the original host) 65368253Sgad * rhost=<hname> - hostname receiving the file (ie, "destination") 65468253Sgad * rdev=<dev> - device receiving the file, when the file is being 65568253Sgad * send to a device instead of a remote host. 65668253Sgad * 65768253Sgad * Note: A single print job may be transferred multiple times. The 65868253Sgad * original 'lpr' occurs on one host, and that original host might 65968253Sgad * send to some interim host (or print server). That interim host 66068253Sgad * might turn around and send the job to yet another host (most likely 66168253Sgad * the real printer). The 'shost=' parameter is only included if the 66268253Sgad * sending host for this particular transfer is NOT the same as the 66368253Sgad * host which did the original 'lpr'. 66468253Sgad * 66568253Sgad * Many values have 'something=' tags before them, because they are 66668253Sgad * in some sense "optional", or their order may vary. "Optional" may 66768253Sgad * mean in the sense that different SITES might choose to have other 66868253Sgad * fields in the record, or that some fields are only included under 66968253Sgad * some circumstances. Programs processing these records should not 67068253Sgad * assume the order or existence of any of these keyword fields. 67168253Sgad */ 67268253Sgad snprintf(statline, STATLINE_SIZE, "%s %s %s %s %03ld %s", 67368739Sgad pp->tr_timestr, pp->printer, lprhost, pp->jobnum, 67468739Sgad pp->jobdfnum, rectype); 67568253Sgad UPD_EOSTAT(statline); 67668253Sgad 67768253Sgad if (userid != NULL) { 67868253Sgad snprintf(eostat, remspace, " user=%s", userid); 67968253Sgad UPD_EOSTAT(statline); 68068253Sgad } 68180172Sgad snprintf(eostat, remspace, " secs=%#.2f bytes=%lu", trtime, 68280172Sgad (unsigned long)bytecnt); 68368253Sgad UPD_EOSTAT(statline); 68480172Sgad 68568739Sgad /* 68668739Sgad * The bps field duplicates info from bytes and secs, so do 68768739Sgad * not bother to include it for very small files. 68868739Sgad */ 68968253Sgad if ((bytecnt > 25000) && (trtime > 1.1)) { 69068253Sgad snprintf(eostat, remspace, " bps=%#.2e", 69168739Sgad ((double)bytecnt/trtime)); 69268253Sgad UPD_EOSTAT(statline); 69368253Sgad } 69468253Sgad 69568253Sgad if (sendrecv == TR_RECVING) { 69668253Sgad if (remspace > 5+strlen(from_ip) ) { 69768253Sgad snprintf(eostat, remspace, " sip=%s", from_ip); 69868253Sgad UPD_EOSTAT(statline); 69968253Sgad } 70068253Sgad } 70168253Sgad if (0 != strcmp(lprhost, sendhost)) { 70268253Sgad if (remspace > 7+strlen(sendhost) ) { 70368253Sgad snprintf(eostat, remspace, " shost=%s", sendhost); 70468253Sgad UPD_EOSTAT(statline); 70568253Sgad } 70668253Sgad } 70768253Sgad if (recvhost) { 70868253Sgad if (remspace > 7+strlen(recvhost) ) { 70968253Sgad snprintf(eostat, remspace, " rhost=%s", recvhost); 71068253Sgad UPD_EOSTAT(statline); 71168253Sgad } 71268253Sgad } 71368253Sgad if (recvdev) { 71468253Sgad if (remspace > 6+strlen(recvdev) ) { 71568253Sgad snprintf(eostat, remspace, " rdev=%s", recvdev); 71668253Sgad UPD_EOSTAT(statline); 71768253Sgad } 71868253Sgad } 71968253Sgad if (remspace > 1) { 72068253Sgad strcpy(eostat, "\n"); 72168253Sgad } else { 72268253Sgad /* probably should back up to just before the final " x=".. */ 72368253Sgad strcpy(statline+STATLINE_SIZE-2, "\n"); 72468253Sgad } 72568253Sgad statfile = open(statfname, O_WRONLY|O_APPEND, 0664); 72668253Sgad if (statfile < 0) { 72768253Sgad /* statfile was given, but we can't open it. should we 72868253Sgad * syslog/printf this as an error? */ 72968253Sgad return; 73068253Sgad } 73168253Sgad write(statfile, statline, strlen(statline)); 73268253Sgad close(statfile); 73368253Sgad 73468253Sgad return; 73568253Sgad#undef UPD_EOSTAT 73668253Sgad} 73768253Sgad 7381553Srgrimes#include <stdarg.h> 7391553Srgrimes 7401553Srgrimesvoid 74131492Swollmanfatal(const struct printer *pp, const char *msg, ...) 7421553Srgrimes{ 7431553Srgrimes va_list ap; 7441553Srgrimes va_start(ap, msg); 74578300Sgad /* this error message is being sent to the 'from_host' */ 74678300Sgad if (from_host != local_host) 74778300Sgad (void)printf("%s: ", local_host); 74878280Sgad (void)printf("%s: ", progname); 74931492Swollman if (pp && pp->printer) 75031492Swollman (void)printf("%s: ", pp->printer); 7511553Srgrimes (void)vprintf(msg, ap); 7521553Srgrimes va_end(ap); 7531553Srgrimes (void)putchar('\n'); 7541553Srgrimes exit(1); 7551553Srgrimes} 75631492Swollman 75731492Swollman/* 75831492Swollman * Close all file descriptors from START on up. 75931492Swollman * This is a horrific kluge, since getdtablesize() might return 76031492Swollman * ``infinity'', in which case we will be spending a long time 76131492Swollman * closing ``files'' which were never open. Perhaps it would 76231492Swollman * be better to close the first N fds, for some small value of N. 76331492Swollman */ 76431492Swollmanvoid 76578146Sgadcloseallfds(int start) 76631492Swollman{ 76731492Swollman int stop = getdtablesize(); 76831492Swollman for (; start < stop; start++) 76931492Swollman close(start); 77031492Swollman} 77131492Swollman 772