1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef lint
36static const char copyright[] =
37"@(#) Copyright (c) 1983, 1993\n\
38 The Regents of the University of California. All rights reserved.\n";
39#endif /* not lint */
40
41#ifndef lint
42#if 0
43static char sccsid[] = "@(#)recvjob.c 8.2 (Berkeley) 4/27/95";
44#endif
45static const char rcsid[] =
| 1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef lint
36static const char copyright[] =
37"@(#) Copyright (c) 1983, 1993\n\
38 The Regents of the University of California. All rights reserved.\n";
39#endif /* not lint */
40
41#ifndef lint
42#if 0
43static char sccsid[] = "@(#)recvjob.c 8.2 (Berkeley) 4/27/95";
44#endif
45static const char rcsid[] =
|
46 "$FreeBSD: head/usr.sbin/lpr/lpd/recvjob.c 68380 2000-11-06 04:37:56Z gad $";
| 46 "$FreeBSD: head/usr.sbin/lpr/lpd/recvjob.c 68735 2000-11-14 22:08:52Z gad $";
|
47#endif /* not lint */
48
49/*
50 * Receive printer jobs from the network, queue them and
51 * start the printer daemon.
52 */
53#include <sys/param.h>
54#include <sys/mount.h>
55#include <sys/stat.h>
56
57#include <unistd.h>
58#include <signal.h>
59#include <fcntl.h>
60#include <dirent.h>
61#include <syslog.h>
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include "lp.h"
66#include "lp.local.h"
67#include "extern.h"
68#include "pathnames.h"
69
70#define ack() (void) write(1, sp, 1);
71
72static char dfname[NAME_MAX]; /* data files */
73static int minfree; /* keep at least minfree blocks available */
74static char *sp = "";
75static char tfname[NAME_MAX]; /* tmp copy of cf before linking */
76
77static int chksize __P((int));
78static void frecverr __P((const char *, ...));
79static int noresponse __P((void));
80static void rcleanup __P((int));
81static int read_number __P((char *));
82static int readfile __P((struct printer *pp, char *, int));
83static int readjob __P((struct printer *pp));
84
85
86void
87recvjob(printer)
88 const char *printer;
89{
90 struct stat stb;
91 int status;
92 struct printer myprinter, *pp = &myprinter;
93
94 /*
95 * Perform lookup for printer name or abbreviation
96 */
97 init_printer(pp);
98 status = getprintcap(printer, pp);
99 switch (status) {
100 case PCAPERR_OSERR:
101 frecverr("cannot open printer description file");
102 break;
103 case PCAPERR_NOTFOUND:
104 frecverr("unknown printer %s", printer);
105 break;
106 case PCAPERR_TCLOOP:
107 fatal(pp, "potential reference loop detected in printcap file");
108 default:
109 break;
110 }
111
112 (void) close(2); /* set up log file */
113 if (open(pp->log_file, O_WRONLY|O_APPEND, 0664) < 0) {
114 syslog(LOG_ERR, "%s: %m", pp->log_file);
115 (void) open(_PATH_DEVNULL, O_WRONLY);
116 }
117
118 if (chdir(pp->spool_dir) < 0)
119 frecverr("%s: %s: %m", pp->printer, pp->spool_dir);
120 if (stat(pp->lock_file, &stb) == 0) {
121 if (stb.st_mode & 010) {
122 /* queue is disabled */
123 putchar('\1'); /* return error code */
124 exit(1);
125 }
126 } else if (stat(pp->spool_dir, &stb) < 0)
127 frecverr("%s: %s: %m", pp->printer, pp->spool_dir);
128 minfree = 2 * read_number("minfree"); /* scale KB to 512 blocks */
129 signal(SIGTERM, rcleanup);
130 signal(SIGPIPE, rcleanup);
131
132 if (readjob(pp))
133 printjob(pp);
134}
135
136/*
137 * Read printer jobs sent by lpd and copy them to the spooling directory.
138 * Return the number of jobs successfully transfered.
139 */
140static int
141readjob(pp)
142 struct printer *pp;
143{
144 register int size;
145 register char *cp;
| 47#endif /* not lint */
48
49/*
50 * Receive printer jobs from the network, queue them and
51 * start the printer daemon.
52 */
53#include <sys/param.h>
54#include <sys/mount.h>
55#include <sys/stat.h>
56
57#include <unistd.h>
58#include <signal.h>
59#include <fcntl.h>
60#include <dirent.h>
61#include <syslog.h>
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include "lp.h"
66#include "lp.local.h"
67#include "extern.h"
68#include "pathnames.h"
69
70#define ack() (void) write(1, sp, 1);
71
72static char dfname[NAME_MAX]; /* data files */
73static int minfree; /* keep at least minfree blocks available */
74static char *sp = "";
75static char tfname[NAME_MAX]; /* tmp copy of cf before linking */
76
77static int chksize __P((int));
78static void frecverr __P((const char *, ...));
79static int noresponse __P((void));
80static void rcleanup __P((int));
81static int read_number __P((char *));
82static int readfile __P((struct printer *pp, char *, int));
83static int readjob __P((struct printer *pp));
84
85
86void
87recvjob(printer)
88 const char *printer;
89{
90 struct stat stb;
91 int status;
92 struct printer myprinter, *pp = &myprinter;
93
94 /*
95 * Perform lookup for printer name or abbreviation
96 */
97 init_printer(pp);
98 status = getprintcap(printer, pp);
99 switch (status) {
100 case PCAPERR_OSERR:
101 frecverr("cannot open printer description file");
102 break;
103 case PCAPERR_NOTFOUND:
104 frecverr("unknown printer %s", printer);
105 break;
106 case PCAPERR_TCLOOP:
107 fatal(pp, "potential reference loop detected in printcap file");
108 default:
109 break;
110 }
111
112 (void) close(2); /* set up log file */
113 if (open(pp->log_file, O_WRONLY|O_APPEND, 0664) < 0) {
114 syslog(LOG_ERR, "%s: %m", pp->log_file);
115 (void) open(_PATH_DEVNULL, O_WRONLY);
116 }
117
118 if (chdir(pp->spool_dir) < 0)
119 frecverr("%s: %s: %m", pp->printer, pp->spool_dir);
120 if (stat(pp->lock_file, &stb) == 0) {
121 if (stb.st_mode & 010) {
122 /* queue is disabled */
123 putchar('\1'); /* return error code */
124 exit(1);
125 }
126 } else if (stat(pp->spool_dir, &stb) < 0)
127 frecverr("%s: %s: %m", pp->printer, pp->spool_dir);
128 minfree = 2 * read_number("minfree"); /* scale KB to 512 blocks */
129 signal(SIGTERM, rcleanup);
130 signal(SIGPIPE, rcleanup);
131
132 if (readjob(pp))
133 printjob(pp);
134}
135
136/*
137 * Read printer jobs sent by lpd and copy them to the spooling directory.
138 * Return the number of jobs successfully transfered.
139 */
140static int
141readjob(pp)
142 struct printer *pp;
143{
144 register int size;
145 register char *cp;
|
146 int cfcnt, dfcnt;
147 char givenid[32], givenhost[MAXHOSTNAMELEN];
| 146 int cfcnt, dfcnt;
147 char givenid[32], givenhost[MAXHOSTNAMELEN];
|
148
149 ack();
150 cfcnt = 0;
151 dfcnt = 0;
152 for (;;) {
153 /*
154 * Read a command to tell us what to do
155 */
156 cp = line;
157 do {
158 if ((size = read(1, cp, 1)) != 1) {
159 if (size < 0) {
160 frecverr("%s: lost connection",
161 pp->printer);
162 /*NOTREACHED*/
163 }
164 return (cfcnt);
165 }
166 } while (*cp++ != '\n' && (cp - line + 1) < sizeof(line));
167 if (cp - line + 1 >= sizeof(line)) {
168 frecverr("%s: readjob overflow", pp->printer);
169 /*NOTREACHED*/
170 }
171 *--cp = '\0';
172 cp = line;
173 switch (*cp++) {
174 case '\1': /* cleanup because data sent was bad */
175 rcleanup(0);
176 continue;
177
178 case '\2': /* read cf file */
179 size = 0;
180 dfcnt = 0;
181 while (*cp >= '0' && *cp <= '9')
182 size = size * 10 + (*cp++ - '0');
183 if (*cp++ != ' ')
184 break;
185 /*
186 * host name has been authenticated, we use our
187 * view of the host name since we may be passed
188 * something different than what gethostbyaddr()
189 * returns
190 */
191 strncpy(cp + 6, from, sizeof(line) + line - cp - 7);
192 line[sizeof(line) - 1 ] = '\0';
193 strncpy(tfname, cp, sizeof(tfname) - 1);
194 tfname[sizeof (tfname) - 1] = '\0';
195 tfname[0] = 't';
196 if (strchr(tfname, '/'))
197 frecverr("readjob: %s: illegal path name",
198 tfname);
199 if (!chksize(size)) {
200 (void) write(1, "\2", 1);
201 continue;
202 }
203 if (!readfile(pp, tfname, size)) {
204 rcleanup(0);
205 continue;
206 }
207 if (link(tfname, cp) < 0)
208 frecverr("%s: %m", tfname);
209 (void) unlink(tfname);
210 tfname[0] = '\0';
211 cfcnt++;
212 continue;
213
214 case '\3': /* read df file */
215 *givenid = '\0';
216 *givenhost = '\0';
217 size = 0;
218 while (*cp >= '0' && *cp <= '9')
219 size = size * 10 + (*cp++ - '0');
220 if (*cp++ != ' ')
221 break;
222 if (!chksize(size)) {
223 (void) write(1, "\2", 1);
224 continue;
225 }
226 (void) strncpy(dfname, cp, sizeof(dfname) - 1);
227 dfname[sizeof(dfname) - 1] = '\0';
228 if (strchr(dfname, '/')) {
229 frecverr("readjob: %s: illegal path name",
230 dfname);
231 /*NOTREACHED*/
232 }
233 dfcnt++;
234 trstat_init(pp, dfname, dfcnt);
235 (void) readfile(pp, dfname, size);
236 trstat_write(pp, TR_RECVING, size, givenid, from,
237 givenhost);
238 continue;
239 }
240 frecverr("protocol screwup: %s", line);
241 /*NOTREACHED*/
242 }
243}
244
245/*
246 * Read files send by lpd and copy them to the spooling directory.
247 */
248static int
249readfile(pp, file, size)
250 struct printer *pp;
251 char *file;
252 int size;
253{
254 register char *cp;
255 char buf[BUFSIZ];
256 register int i, j, amt;
257 int fd, err;
258
259 fd = open(file, O_CREAT|O_EXCL|O_WRONLY, FILMOD);
260 if (fd < 0) {
261 frecverr("%s: readfile: error on open(%s): %m",
262 pp->printer, file);
263 /*NOTREACHED*/
264 }
265 ack();
266 err = 0;
267 for (i = 0; i < size; i += BUFSIZ) {
268 amt = BUFSIZ;
269 cp = buf;
270 if (i + amt > size)
271 amt = size - i;
272 do {
273 j = read(1, cp, amt);
274 if (j <= 0) {
275 frecverr("%s: lost connection", pp->printer);
276 /*NOTREACHED*/
277 }
278 amt -= j;
279 cp += j;
280 } while (amt > 0);
281 amt = BUFSIZ;
282 if (i + amt > size)
283 amt = size - i;
284 if (write(fd, buf, amt) != amt) {
285 err++;
286 break;
287 }
288 }
289 (void) close(fd);
290 if (err) {
291 frecverr("%s: write error on close(%s)", pp->printer, file);
292 /*NOTREACHED*/
293 }
294 if (noresponse()) { /* file sent had bad data in it */
295 if (strchr(file, '/') == NULL)
296 (void) unlink(file);
297 return (0);
298 }
299 ack();
300 return (1);
301}
302
303static int
304noresponse()
305{
306 char resp;
307
308 if (read(1, &resp, 1) != 1) {
309 frecverr("lost connection in noresponse()");
310 /*NOTREACHED*/
311 }
312 if (resp == '\0')
313 return(0);
314 return(1);
315}
316
317/*
318 * Check to see if there is enough space on the disk for size bytes.
319 * 1 == OK, 0 == Not OK.
320 */
321static int
322chksize(size)
323 int size;
324{
325 int spacefree;
326 struct statfs sfb;
327
328 if (statfs(".", &sfb) < 0) {
329 syslog(LOG_ERR, "%s: %m", "statfs(\".\")");
330 return (1);
331 }
332 spacefree = sfb.f_bavail * (sfb.f_bsize / 512);
333 size = (size + 511) / 512;
334 if (minfree + size > spacefree)
335 return(0);
336 return(1);
337}
338
339static int
340read_number(fn)
341 char *fn;
342{
343 char lin[80];
344 register FILE *fp;
345
346 if ((fp = fopen(fn, "r")) == NULL)
347 return (0);
348 if (fgets(lin, 80, fp) == NULL) {
349 fclose(fp);
350 return (0);
351 }
352 fclose(fp);
353 return (atoi(lin));
354}
355
356/*
357 * Remove all the files associated with the current job being transfered.
358 */
359static void
360rcleanup(signo)
361 int signo;
362{
363 if (tfname[0] && strchr(tfname, '/') == NULL)
364 (void) unlink(tfname);
365 if (dfname[0] && strchr(dfname, '/') == NULL) {
366 do {
367 do
368 (void) unlink(dfname);
369 while (dfname[2]-- != 'A');
370 dfname[2] = 'z';
371 } while (dfname[0]-- != 'd');
372 }
373 dfname[0] = '\0';
374}
375
376#ifdef __STDC__
377#include <stdarg.h>
378#else
379#include <varargs.h>
380#endif
381
382static void
383#ifdef __STDC__
384frecverr(const char *msg, ...)
385#else
386frecverr(msg, va_alist)
387 char *msg;
388 va_dcl
389#endif
390{
391 va_list ap;
392#ifdef __STDC__
393 va_start(ap, msg);
394#else
395 va_start(ap);
396#endif
397 syslog(LOG_ERR, "Error receiving job from %s:", fromb);
398 vsyslog(LOG_ERR, msg, ap);
399 va_end(ap);
400 /*
| 148
149 ack();
150 cfcnt = 0;
151 dfcnt = 0;
152 for (;;) {
153 /*
154 * Read a command to tell us what to do
155 */
156 cp = line;
157 do {
158 if ((size = read(1, cp, 1)) != 1) {
159 if (size < 0) {
160 frecverr("%s: lost connection",
161 pp->printer);
162 /*NOTREACHED*/
163 }
164 return (cfcnt);
165 }
166 } while (*cp++ != '\n' && (cp - line + 1) < sizeof(line));
167 if (cp - line + 1 >= sizeof(line)) {
168 frecverr("%s: readjob overflow", pp->printer);
169 /*NOTREACHED*/
170 }
171 *--cp = '\0';
172 cp = line;
173 switch (*cp++) {
174 case '\1': /* cleanup because data sent was bad */
175 rcleanup(0);
176 continue;
177
178 case '\2': /* read cf file */
179 size = 0;
180 dfcnt = 0;
181 while (*cp >= '0' && *cp <= '9')
182 size = size * 10 + (*cp++ - '0');
183 if (*cp++ != ' ')
184 break;
185 /*
186 * host name has been authenticated, we use our
187 * view of the host name since we may be passed
188 * something different than what gethostbyaddr()
189 * returns
190 */
191 strncpy(cp + 6, from, sizeof(line) + line - cp - 7);
192 line[sizeof(line) - 1 ] = '\0';
193 strncpy(tfname, cp, sizeof(tfname) - 1);
194 tfname[sizeof (tfname) - 1] = '\0';
195 tfname[0] = 't';
196 if (strchr(tfname, '/'))
197 frecverr("readjob: %s: illegal path name",
198 tfname);
199 if (!chksize(size)) {
200 (void) write(1, "\2", 1);
201 continue;
202 }
203 if (!readfile(pp, tfname, size)) {
204 rcleanup(0);
205 continue;
206 }
207 if (link(tfname, cp) < 0)
208 frecverr("%s: %m", tfname);
209 (void) unlink(tfname);
210 tfname[0] = '\0';
211 cfcnt++;
212 continue;
213
214 case '\3': /* read df file */
215 *givenid = '\0';
216 *givenhost = '\0';
217 size = 0;
218 while (*cp >= '0' && *cp <= '9')
219 size = size * 10 + (*cp++ - '0');
220 if (*cp++ != ' ')
221 break;
222 if (!chksize(size)) {
223 (void) write(1, "\2", 1);
224 continue;
225 }
226 (void) strncpy(dfname, cp, sizeof(dfname) - 1);
227 dfname[sizeof(dfname) - 1] = '\0';
228 if (strchr(dfname, '/')) {
229 frecverr("readjob: %s: illegal path name",
230 dfname);
231 /*NOTREACHED*/
232 }
233 dfcnt++;
234 trstat_init(pp, dfname, dfcnt);
235 (void) readfile(pp, dfname, size);
236 trstat_write(pp, TR_RECVING, size, givenid, from,
237 givenhost);
238 continue;
239 }
240 frecverr("protocol screwup: %s", line);
241 /*NOTREACHED*/
242 }
243}
244
245/*
246 * Read files send by lpd and copy them to the spooling directory.
247 */
248static int
249readfile(pp, file, size)
250 struct printer *pp;
251 char *file;
252 int size;
253{
254 register char *cp;
255 char buf[BUFSIZ];
256 register int i, j, amt;
257 int fd, err;
258
259 fd = open(file, O_CREAT|O_EXCL|O_WRONLY, FILMOD);
260 if (fd < 0) {
261 frecverr("%s: readfile: error on open(%s): %m",
262 pp->printer, file);
263 /*NOTREACHED*/
264 }
265 ack();
266 err = 0;
267 for (i = 0; i < size; i += BUFSIZ) {
268 amt = BUFSIZ;
269 cp = buf;
270 if (i + amt > size)
271 amt = size - i;
272 do {
273 j = read(1, cp, amt);
274 if (j <= 0) {
275 frecverr("%s: lost connection", pp->printer);
276 /*NOTREACHED*/
277 }
278 amt -= j;
279 cp += j;
280 } while (amt > 0);
281 amt = BUFSIZ;
282 if (i + amt > size)
283 amt = size - i;
284 if (write(fd, buf, amt) != amt) {
285 err++;
286 break;
287 }
288 }
289 (void) close(fd);
290 if (err) {
291 frecverr("%s: write error on close(%s)", pp->printer, file);
292 /*NOTREACHED*/
293 }
294 if (noresponse()) { /* file sent had bad data in it */
295 if (strchr(file, '/') == NULL)
296 (void) unlink(file);
297 return (0);
298 }
299 ack();
300 return (1);
301}
302
303static int
304noresponse()
305{
306 char resp;
307
308 if (read(1, &resp, 1) != 1) {
309 frecverr("lost connection in noresponse()");
310 /*NOTREACHED*/
311 }
312 if (resp == '\0')
313 return(0);
314 return(1);
315}
316
317/*
318 * Check to see if there is enough space on the disk for size bytes.
319 * 1 == OK, 0 == Not OK.
320 */
321static int
322chksize(size)
323 int size;
324{
325 int spacefree;
326 struct statfs sfb;
327
328 if (statfs(".", &sfb) < 0) {
329 syslog(LOG_ERR, "%s: %m", "statfs(\".\")");
330 return (1);
331 }
332 spacefree = sfb.f_bavail * (sfb.f_bsize / 512);
333 size = (size + 511) / 512;
334 if (minfree + size > spacefree)
335 return(0);
336 return(1);
337}
338
339static int
340read_number(fn)
341 char *fn;
342{
343 char lin[80];
344 register FILE *fp;
345
346 if ((fp = fopen(fn, "r")) == NULL)
347 return (0);
348 if (fgets(lin, 80, fp) == NULL) {
349 fclose(fp);
350 return (0);
351 }
352 fclose(fp);
353 return (atoi(lin));
354}
355
356/*
357 * Remove all the files associated with the current job being transfered.
358 */
359static void
360rcleanup(signo)
361 int signo;
362{
363 if (tfname[0] && strchr(tfname, '/') == NULL)
364 (void) unlink(tfname);
365 if (dfname[0] && strchr(dfname, '/') == NULL) {
366 do {
367 do
368 (void) unlink(dfname);
369 while (dfname[2]-- != 'A');
370 dfname[2] = 'z';
371 } while (dfname[0]-- != 'd');
372 }
373 dfname[0] = '\0';
374}
375
376#ifdef __STDC__
377#include <stdarg.h>
378#else
379#include <varargs.h>
380#endif
381
382static void
383#ifdef __STDC__
384frecverr(const char *msg, ...)
385#else
386frecverr(msg, va_alist)
387 char *msg;
388 va_dcl
389#endif
390{
391 va_list ap;
392#ifdef __STDC__
393 va_start(ap, msg);
394#else
395 va_start(ap);
396#endif
397 syslog(LOG_ERR, "Error receiving job from %s:", fromb);
398 vsyslog(LOG_ERR, msg, ap);
399 va_end(ap);
400 /*
|
401 * rcleanup is not called until AFTER logging the error message,
402 * because rcleanup will zap some variables which may have been
403 * supplied as parameters for that msg...
| 401 * rcleanup is not called until AFTER logging the error message,
402 * because rcleanup will zap some variables which may have been
403 * supplied as parameters for that msg...
|
404 */
405 rcleanup(0);
406 /*
407 * Add a minimal delay before returning the final error code to
408 * the sending host. This just in case that machine responds
409 * this error by INSTANTLY retrying (and instantly re-failing...).
410 * It would be stupid of the sending host to do that, but if there
411 * was a broken implementation which did it, the result might be
412 * obscure performance problems and a flood of syslog messages on
413 * the receiving host.
414 */
415 sleep(2); /* a paranoid throttling measure */
416 putchar('\1'); /* return error code */
417 exit(1);
418}
| 404 */
405 rcleanup(0);
406 /*
407 * Add a minimal delay before returning the final error code to
408 * the sending host. This just in case that machine responds
409 * this error by INSTANTLY retrying (and instantly re-failing...).
410 * It would be stupid of the sending host to do that, but if there
411 * was a broken implementation which did it, the result might be
412 * obscure performance problems and a flood of syslog messages on
413 * the receiving host.
414 */
415 sleep(2); /* a paranoid throttling measure */
416 putchar('\1'); /* return error code */
417 exit(1);
418}
|