Commit | Line | Data |
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d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
9d85c861 KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
a399f6c8 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
d0aeaf5a DF |
16 | */ |
17 | ||
5f84f8f0 | 18 | #ifndef lint |
b5eb1530 | 19 | static char sccsid[] = "@(#)printjob.c 5.9 (Berkeley) %G%"; |
9d85c861 | 20 | #endif /* not lint */ |
5f84f8f0 | 21 | |
df7d5679 RC |
22 | /* |
23 | * printjob -- print jobs in the queue. | |
24 | * | |
25 | * NOTE: the lock file is used to pass information to lpq and lprm. | |
26 | * it does not need to be removed because file locks are dynamic. | |
27 | */ | |
28 | ||
29 | #include "lp.h" | |
7abf8d65 | 30 | #include "pathnames.h" |
df7d5679 | 31 | |
47f0387b RC |
32 | #define DORETURN 0 /* absorb fork error */ |
33 | #define DOABORT 1 /* abort if dofork fails */ | |
34 | ||
98d189de RC |
35 | /* |
36 | * Error tokens | |
37 | */ | |
38 | #define REPRINT -2 | |
39 | #define ERROR -1 | |
40 | #define OK 0 | |
41 | #define FATALERR 1 | |
42 | #define NOACCT 2 | |
43 | #define FILTERERR 3 | |
44 | #define ACCESS 4 | |
45 | ||
47f0387b RC |
46 | char title[80]; /* ``pr'' title */ |
47 | FILE *cfp; /* control file */ | |
48 | int pfd; /* printer file descriptor */ | |
49 | int ofd; /* output filter file descriptor */ | |
50 | int lfd; /* lock file descriptor */ | |
51 | int pid; /* pid of lpd process */ | |
52 | int prchild; /* id of pr process */ | |
53 | int child; /* id of any filters */ | |
54 | int ofilter; /* id of output filter, if any */ | |
55 | int tof; /* true if at top of form */ | |
56 | int remote; /* true if sending files to remote */ | |
98d189de RC |
57 | dev_t fdev; /* device of file pointed to by symlink */ |
58 | ino_t fino; /* inode of file pointed to by symlink */ | |
47f0387b RC |
59 | |
60 | char fromhost[32]; /* user's host machine */ | |
61 | char logname[32]; /* user's login name */ | |
62 | char jobname[100]; /* job or file name */ | |
63 | char class[32]; /* classification field */ | |
64 | char width[10] = "-w"; /* page width in characters */ | |
65 | char length[10] = "-l"; /* page length in lines */ | |
66 | char pxwidth[10] = "-x"; /* page width in pixels */ | |
67 | char pxlength[10] = "-y"; /* page length in pixels */ | |
68 | char indent[10] = "-i0"; /* indentation size in characters */ | |
69 | char tmpfile[] = "errsXXXXXX"; /* file name for filter output */ | |
df7d5679 RC |
70 | |
71 | printjob() | |
72 | { | |
73 | struct stat stb; | |
74 | register struct queue *q, **qp; | |
75 | struct queue **queue; | |
76 | register int i, nitems; | |
77 | long pidoff; | |
47f0387b RC |
78 | int count = 0; |
79 | extern int abortpr(); | |
df7d5679 | 80 | |
df7d5679 | 81 | init(); /* set up capabilities */ |
8fed920b | 82 | (void) write(1, "", 1); /* ack that daemon is started */ |
126fc76f EA |
83 | (void) close(2); /* set up log file */ |
84 | if (open(LF, O_WRONLY|O_APPEND, 0664) < 0) { | |
85 | syslog(LOG_ERR, "%s: %m", LF); | |
7abf8d65 | 86 | (void) open(_PATH_DEVNULL, O_WRONLY); |
126fc76f | 87 | } |
47f0387b | 88 | setgid(getegid()); |
88f026f7 | 89 | pid = getpid(); /* for use with lprm */ |
df7d5679 | 90 | setpgrp(0, pid); |
47f0387b RC |
91 | signal(SIGHUP, abortpr); |
92 | signal(SIGINT, abortpr); | |
93 | signal(SIGQUIT, abortpr); | |
94 | signal(SIGTERM, abortpr); | |
df7d5679 | 95 | |
fbd83c9f RC |
96 | (void) mktemp(tmpfile); |
97 | ||
df7d5679 RC |
98 | /* |
99 | * uses short form file names | |
100 | */ | |
101 | if (chdir(SD) < 0) { | |
47f0387b | 102 | syslog(LOG_ERR, "%s: %m", SD); |
df7d5679 RC |
103 | exit(1); |
104 | } | |
88f026f7 RC |
105 | if (stat(LO, &stb) == 0 && (stb.st_mode & 0100)) |
106 | exit(0); /* printing disabled */ | |
845f1693 | 107 | lfd = open(LO, O_WRONLY|O_CREAT, 0644); |
c6d1c018 | 108 | if (lfd < 0) { |
47f0387b | 109 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
c6d1c018 RC |
110 | exit(1); |
111 | } | |
112 | if (flock(lfd, LOCK_EX|LOCK_NB) < 0) { | |
df7d5679 RC |
113 | if (errno == EWOULDBLOCK) /* active deamon present */ |
114 | exit(0); | |
47f0387b | 115 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
116 | exit(1); |
117 | } | |
adec4d9e | 118 | ftruncate(lfd, 0); |
df7d5679 RC |
119 | /* |
120 | * write process id for others to know | |
121 | */ | |
122 | sprintf(line, "%u\n", pid); | |
123 | pidoff = i = strlen(line); | |
88f026f7 | 124 | if (write(lfd, line, i) != i) { |
47f0387b | 125 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
126 | exit(1); |
127 | } | |
df7d5679 RC |
128 | /* |
129 | * search the spool directory for work and sort by queue order. | |
130 | */ | |
df7d5679 | 131 | if ((nitems = getq(&queue)) < 0) { |
47f0387b | 132 | syslog(LOG_ERR, "%s: can't scan %s", printer, SD); |
df7d5679 RC |
133 | exit(1); |
134 | } | |
88f026f7 | 135 | if (nitems == 0) /* no work to do */ |
df7d5679 | 136 | exit(0); |
c6d1c018 RC |
137 | if (stb.st_mode & 01) { /* reset queue flag */ |
138 | if (fchmod(lfd, stb.st_mode & 0776) < 0) | |
47f0387b | 139 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
c6d1c018 | 140 | } |
88f026f7 RC |
141 | openpr(); /* open printer or remote */ |
142 | again: | |
df7d5679 RC |
143 | /* |
144 | * we found something to do now do it -- | |
145 | * write the name of the current control file into the lock file | |
146 | * so the spool queue program can tell what we're working on | |
147 | */ | |
148 | for (qp = queue; nitems--; free((char *) q)) { | |
149 | q = *qp++; | |
150 | if (stat(q->q_name, &stb) < 0) | |
151 | continue; | |
88f026f7 | 152 | restart: |
df7d5679 RC |
153 | (void) lseek(lfd, pidoff, 0); |
154 | (void) sprintf(line, "%s\n", q->q_name); | |
155 | i = strlen(line); | |
156 | if (write(lfd, line, i) != i) | |
47f0387b | 157 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
158 | if (!remote) |
159 | i = printit(q->q_name); | |
160 | else | |
161 | i = sendit(q->q_name); | |
88f026f7 | 162 | /* |
c6d1c018 RC |
163 | * Check to see if we are supposed to stop printing or |
164 | * if we are to rebuild the queue. | |
88f026f7 | 165 | */ |
c6d1c018 | 166 | if (fstat(lfd, &stb) == 0) { |
47f0387b | 167 | /* stop printing before starting next job? */ |
c6d1c018 RC |
168 | if (stb.st_mode & 0100) |
169 | goto done; | |
47f0387b | 170 | /* rebuild queue (after lpc topq) */ |
c6d1c018 RC |
171 | if (stb.st_mode & 01) { |
172 | for (free((char *) q); nitems--; free((char *) q)) | |
173 | q = *qp++; | |
174 | if (fchmod(lfd, stb.st_mode & 0776) < 0) | |
47f0387b RC |
175 | syslog(LOG_WARNING, "%s: %s: %m", |
176 | printer, LO); | |
c6d1c018 RC |
177 | break; |
178 | } | |
179 | } | |
98d189de | 180 | if (i == OK) /* file ok and printed */ |
845f1693 | 181 | count++; |
98d189de | 182 | else if (i == REPRINT) { /* try reprinting the job */ |
47f0387b | 183 | syslog(LOG_INFO, "restarting %s", printer); |
df7d5679 RC |
184 | if (ofilter > 0) { |
185 | kill(ofilter, SIGCONT); /* to be sure */ | |
186 | (void) close(ofd); | |
187 | while ((i = wait(0)) > 0 && i != ofilter) | |
188 | ; | |
189 | ofilter = 0; | |
190 | } | |
88f026f7 | 191 | (void) close(pfd); /* close printer */ |
fbd83c9f | 192 | if (ftruncate(lfd, pidoff) < 0) |
47f0387b | 193 | syslog(LOG_WARNING, "%s: %s: %m", printer, LO); |
88f026f7 | 194 | openpr(); /* try to reopen printer */ |
df7d5679 RC |
195 | goto restart; |
196 | } | |
197 | } | |
198 | free((char *) queue); | |
88f026f7 RC |
199 | /* |
200 | * search the spool directory for more work. | |
201 | */ | |
202 | if ((nitems = getq(&queue)) < 0) { | |
47f0387b | 203 | syslog(LOG_ERR, "%s: can't scan %s", printer, SD); |
88f026f7 RC |
204 | exit(1); |
205 | } | |
206 | if (nitems == 0) { /* no more work to do */ | |
207 | done: | |
845f1693 RC |
208 | if (count > 0) { /* Files actually printed */ |
209 | if (!SF && !tof) | |
210 | (void) write(ofd, FF, strlen(FF)); | |
211 | if (TR != NULL) /* output trailer */ | |
212 | (void) write(ofd, TR, strlen(TR)); | |
213 | } | |
fbd83c9f | 214 | (void) unlink(tmpfile); |
88f026f7 RC |
215 | exit(0); |
216 | } | |
df7d5679 RC |
217 | goto again; |
218 | } | |
219 | ||
220 | char fonts[4][50]; /* fonts for troff */ | |
221 | ||
7abf8d65 KB |
222 | char ifonts[4][40] = { |
223 | _PATH_VFONTR, | |
224 | _PATH_VFONTI, | |
225 | _PATH_VFONTB, | |
226 | _PATH_VFONTS, | |
df7d5679 RC |
227 | }; |
228 | ||
229 | /* | |
230 | * The remaining part is the reading of the control file (cf) | |
231 | * and performing the various actions. | |
df7d5679 RC |
232 | */ |
233 | printit(file) | |
234 | char *file; | |
235 | { | |
236 | register int i; | |
98d189de RC |
237 | char *cp; |
238 | int bombed = OK; | |
df7d5679 RC |
239 | |
240 | /* | |
98d189de | 241 | * open control file; ignore if no longer there. |
df7d5679 RC |
242 | */ |
243 | if ((cfp = fopen(file, "r")) == NULL) { | |
47f0387b | 244 | syslog(LOG_INFO, "%s: %s: %m", printer, file); |
98d189de | 245 | return(OK); |
df7d5679 RC |
246 | } |
247 | /* | |
248 | * Reset troff fonts. | |
249 | */ | |
250 | for (i = 0; i < 4; i++) | |
251 | strcpy(fonts[i], ifonts[i]); | |
155b93d2 | 252 | strcpy(width+2, "0"); |
d2d55096 | 253 | strcpy(indent+2, "0"); |
df7d5679 RC |
254 | |
255 | /* | |
256 | * read the control file for work to do | |
257 | * | |
258 | * file format -- first character in the line is a command | |
259 | * rest of the line is the argument. | |
260 | * valid commands are: | |
261 | * | |
98d189de | 262 | * S -- "stat info" for symbolic link protection |
df7d5679 RC |
263 | * J -- "job name" on banner page |
264 | * C -- "class name" on banner page | |
265 | * L -- "literal" user's name to print on banner | |
266 | * T -- "title" for pr | |
267 | * H -- "host name" of machine where lpr was done | |
268 | * P -- "person" user's login name | |
6bd17dac | 269 | * I -- "indent" amount to indent output |
df7d5679 RC |
270 | * f -- "file name" name of text file to print |
271 | * l -- "file name" text file with control chars | |
272 | * p -- "file name" text file to print with pr(1) | |
273 | * t -- "file name" troff(1) file to print | |
a4f59913 | 274 | * n -- "file name" ditroff(1) file to print |
df7d5679 RC |
275 | * d -- "file name" dvi file to print |
276 | * g -- "file name" plot(1G) file to print | |
277 | * v -- "file name" plain raster file to print | |
278 | * c -- "file name" cifplot file to print | |
279 | * 1 -- "R font file" for troff | |
280 | * 2 -- "I font file" for troff | |
281 | * 3 -- "B font file" for troff | |
282 | * 4 -- "S font file" for troff | |
283 | * N -- "name" of file (used by lpq) | |
284 | * U -- "unlink" name of file to remove | |
285 | * (after we print it. (Pass 2 only)). | |
286 | * M -- "mail" to user when done printing | |
287 | * | |
288 | * getline reads a line and expands tabs to blanks | |
289 | */ | |
290 | ||
291 | /* pass 1 */ | |
292 | ||
293 | while (getline(cfp)) | |
294 | switch (line[0]) { | |
295 | case 'H': | |
845f1693 | 296 | strcpy(fromhost, line+1); |
df7d5679 | 297 | if (class[0] == '\0') |
731697c1 | 298 | strncpy(class, line+1, sizeof(class)-1); |
df7d5679 RC |
299 | continue; |
300 | ||
301 | case 'P': | |
731697c1 | 302 | strncpy(logname, line+1, sizeof(logname)-1); |
88f026f7 RC |
303 | if (RS) { /* restricted */ |
304 | if (getpwnam(logname) == (struct passwd *)0) { | |
98d189de | 305 | bombed = NOACCT; |
fbd83c9f | 306 | sendmail(line+1, bombed); |
88f026f7 RC |
307 | goto pass2; |
308 | } | |
309 | } | |
df7d5679 RC |
310 | continue; |
311 | ||
98d189de RC |
312 | case 'S': |
313 | cp = line+1; | |
314 | i = 0; | |
315 | while (*cp >= '0' && *cp <= '9') | |
316 | i = i * 10 + (*cp++ - '0'); | |
317 | fdev = i; | |
318 | cp++; | |
319 | i = 0; | |
320 | while (*cp >= '0' && *cp <= '9') | |
321 | i = i * 10 + (*cp++ - '0'); | |
322 | fino = i; | |
323 | continue; | |
324 | ||
df7d5679 RC |
325 | case 'J': |
326 | if (line[1] != '\0') | |
731697c1 | 327 | strncpy(jobname, line+1, sizeof(jobname)-1); |
df7d5679 RC |
328 | else |
329 | strcpy(jobname, " "); | |
330 | continue; | |
331 | ||
332 | case 'C': | |
333 | if (line[1] != '\0') | |
731697c1 | 334 | strncpy(class, line+1, sizeof(class)-1); |
df7d5679 | 335 | else if (class[0] == '\0') |
fbd83c9f | 336 | gethostname(class, sizeof(class)); |
df7d5679 RC |
337 | continue; |
338 | ||
339 | case 'T': /* header title for pr */ | |
731697c1 | 340 | strncpy(title, line+1, sizeof(title)-1); |
df7d5679 RC |
341 | continue; |
342 | ||
343 | case 'L': /* identification line */ | |
1e7998ee | 344 | if (!SH && !HL) |
df7d5679 RC |
345 | banner(line+1, jobname); |
346 | continue; | |
347 | ||
348 | case '1': /* troff fonts */ | |
349 | case '2': | |
350 | case '3': | |
351 | case '4': | |
352 | if (line[1] != '\0') | |
353 | strcpy(fonts[line[0]-'1'], line+1); | |
354 | continue; | |
355 | ||
356 | case 'W': /* page width */ | |
731697c1 | 357 | strncpy(width+2, line+1, sizeof(width)-3); |
df7d5679 RC |
358 | continue; |
359 | ||
6bd17dac | 360 | case 'I': /* indent amount */ |
731697c1 | 361 | strncpy(indent+2, line+1, sizeof(indent)-3); |
6bd17dac RC |
362 | continue; |
363 | ||
df7d5679 | 364 | default: /* some file to print */ |
fbd83c9f | 365 | switch (i = print(line[0], line+1)) { |
98d189de RC |
366 | case ERROR: |
367 | if (bombed == OK) | |
368 | bombed = FATALERR; | |
fbd83c9f | 369 | break; |
98d189de | 370 | case REPRINT: |
df7d5679 | 371 | (void) fclose(cfp); |
98d189de RC |
372 | return(REPRINT); |
373 | case FILTERERR: | |
374 | case ACCESS: | |
375 | bombed = i; | |
fbd83c9f RC |
376 | sendmail(logname, bombed); |
377 | } | |
df7d5679 RC |
378 | title[0] = '\0'; |
379 | continue; | |
380 | ||
df7d5679 RC |
381 | case 'N': |
382 | case 'U': | |
383 | case 'M': | |
384 | continue; | |
385 | } | |
386 | ||
387 | /* pass 2 */ | |
388 | ||
88f026f7 | 389 | pass2: |
df7d5679 RC |
390 | fseek(cfp, 0L, 0); |
391 | while (getline(cfp)) | |
392 | switch (line[0]) { | |
1e7998ee RC |
393 | case 'L': /* identification line */ |
394 | if (!SH && HL) | |
395 | banner(line+1, jobname); | |
396 | continue; | |
397 | ||
df7d5679 | 398 | case 'M': |
98d189de | 399 | if (bombed < NOACCT) /* already sent if >= NOACCT */ |
fbd83c9f | 400 | sendmail(line+1, bombed); |
df7d5679 RC |
401 | continue; |
402 | ||
403 | case 'U': | |
404 | (void) unlink(line+1); | |
405 | } | |
406 | /* | |
fbd83c9f | 407 | * clean-up in case another control file exists |
df7d5679 RC |
408 | */ |
409 | (void) fclose(cfp); | |
410 | (void) unlink(file); | |
98d189de | 411 | return(bombed == OK ? OK : ERROR); |
df7d5679 RC |
412 | } |
413 | ||
414 | /* | |
415 | * Print a file. | |
a4f59913 | 416 | * Set up the chain [ PR [ | {IF, OF} ] ] or {IF, RF, TF, NF, DF, CF, VF}. |
fbd83c9f RC |
417 | * Return -1 if a non-recoverable error occured, |
418 | * 2 if the filter detected some errors (but printed the job anyway), | |
419 | * 1 if we should try to reprint this job and | |
df7d5679 RC |
420 | * 0 if all is well. |
421 | * Note: all filters take stdin as the file, stdout as the printer, | |
422 | * stderr as the log file, and must not ignore SIGINT. | |
423 | */ | |
424 | print(format, file) | |
425 | int format; | |
426 | char *file; | |
427 | { | |
fbd83c9f | 428 | register int n; |
df7d5679 | 429 | register char *prog; |
fbd83c9f | 430 | int fi, fo; |
df7d5679 RC |
431 | char *av[15], buf[BUFSIZ]; |
432 | int pid, p[2], stopped = 0; | |
433 | union wait status; | |
98d189de | 434 | struct stat stb; |
df7d5679 | 435 | |
98d189de RC |
436 | if (lstat(file, &stb) < 0 || (fi = open(file, O_RDONLY)) < 0) |
437 | return(ERROR); | |
438 | /* | |
439 | * Check to see if data file is a symbolic link. If so, it should | |
440 | * still point to the same file or someone is trying to print | |
441 | * something he shouldn't. | |
442 | */ | |
443 | if ((stb.st_mode & S_IFMT) == S_IFLNK && fstat(fi, &stb) == 0 && | |
444 | (stb.st_dev != fdev || stb.st_ino != fino)) | |
445 | return(ACCESS); | |
df7d5679 RC |
446 | if (!SF && !tof) { /* start on a fresh page */ |
447 | (void) write(ofd, FF, strlen(FF)); | |
448 | tof = 1; | |
449 | } | |
450 | if (IF == NULL && (format == 'f' || format == 'l')) { | |
451 | tof = 0; | |
452 | while ((n = read(fi, buf, BUFSIZ)) > 0) | |
453 | if (write(ofd, buf, n) != n) { | |
454 | (void) close(fi); | |
98d189de | 455 | return(REPRINT); |
df7d5679 RC |
456 | } |
457 | (void) close(fi); | |
98d189de | 458 | return(OK); |
df7d5679 RC |
459 | } |
460 | switch (format) { | |
461 | case 'p': /* print file using 'pr' */ | |
462 | if (IF == NULL) { /* use output filter */ | |
7abf8d65 | 463 | prog = _PATH_PR; |
df7d5679 RC |
464 | av[0] = "pr"; |
465 | av[1] = width; | |
466 | av[2] = length; | |
467 | av[3] = "-h"; | |
468 | av[4] = *title ? title : " "; | |
469 | av[5] = 0; | |
470 | fo = ofd; | |
471 | goto start; | |
472 | } | |
473 | pipe(p); | |
474 | if ((prchild = dofork(DORETURN)) == 0) { /* child */ | |
475 | dup2(fi, 0); /* file is stdin */ | |
476 | dup2(p[1], 1); /* pipe is stdout */ | |
477 | for (n = 3; n < NOFILE; n++) | |
478 | (void) close(n); | |
7abf8d65 KB |
479 | execl(_PATH_PR, "pr", width, length, |
480 | "-h", *title ? title : " ", 0); | |
481 | syslog(LOG_ERR, "cannot execl %s", _PATH_PR); | |
df7d5679 RC |
482 | exit(2); |
483 | } | |
484 | (void) close(p[1]); /* close output side */ | |
485 | (void) close(fi); | |
486 | if (prchild < 0) { | |
487 | prchild = 0; | |
488 | (void) close(p[0]); | |
98d189de | 489 | return(ERROR); |
df7d5679 RC |
490 | } |
491 | fi = p[0]; /* use pipe for input */ | |
492 | case 'f': /* print plain text file */ | |
493 | prog = IF; | |
494 | av[1] = width; | |
495 | av[2] = length; | |
6bd17dac RC |
496 | av[3] = indent; |
497 | n = 4; | |
df7d5679 RC |
498 | break; |
499 | case 'l': /* like 'f' but pass control characters */ | |
500 | prog = IF; | |
62a109c4 | 501 | av[1] = "-c"; |
df7d5679 RC |
502 | av[2] = width; |
503 | av[3] = length; | |
6bd17dac RC |
504 | av[4] = indent; |
505 | n = 5; | |
df7d5679 | 506 | break; |
88f026f7 RC |
507 | case 'r': /* print a fortran text file */ |
508 | prog = RF; | |
509 | av[1] = width; | |
510 | av[2] = length; | |
511 | n = 3; | |
512 | break; | |
df7d5679 | 513 | case 't': /* print troff output */ |
a4f59913 | 514 | case 'n': /* print ditroff output */ |
88f026f7 | 515 | case 'd': /* print tex output */ |
df7d5679 | 516 | (void) unlink(".railmag"); |
88f026f7 | 517 | if ((fo = creat(".railmag", FILMOD)) < 0) { |
47f0387b | 518 | syslog(LOG_ERR, "%s: cannot create .railmag", printer); |
df7d5679 RC |
519 | (void) unlink(".railmag"); |
520 | } else { | |
521 | for (n = 0; n < 4; n++) { | |
522 | if (fonts[n][0] != '/') | |
7abf8d65 | 523 | (void) write(fo, _PATH_VFONT, 15); |
df7d5679 RC |
524 | (void) write(fo, fonts[n], strlen(fonts[n])); |
525 | (void) write(fo, "\n", 1); | |
526 | } | |
527 | (void) close(fo); | |
528 | } | |
a4f59913 | 529 | prog = (format == 't') ? TF : (format == 'n') ? NF : DF; |
88f026f7 RC |
530 | av[1] = pxwidth; |
531 | av[2] = pxlength; | |
532 | n = 3; | |
df7d5679 RC |
533 | break; |
534 | case 'c': /* print cifplot output */ | |
535 | prog = CF; | |
88f026f7 RC |
536 | av[1] = pxwidth; |
537 | av[2] = pxlength; | |
538 | n = 3; | |
df7d5679 RC |
539 | break; |
540 | case 'g': /* print plot(1G) output */ | |
541 | prog = GF; | |
88f026f7 RC |
542 | av[1] = pxwidth; |
543 | av[2] = pxlength; | |
544 | n = 3; | |
df7d5679 RC |
545 | break; |
546 | case 'v': /* print raster output */ | |
547 | prog = VF; | |
88f026f7 RC |
548 | av[1] = pxwidth; |
549 | av[2] = pxlength; | |
550 | n = 3; | |
df7d5679 RC |
551 | break; |
552 | default: | |
553 | (void) close(fi); | |
47f0387b RC |
554 | syslog(LOG_ERR, "%s: illegal format character '%c'", |
555 | printer, format); | |
98d189de | 556 | return(ERROR); |
df7d5679 RC |
557 | } |
558 | if ((av[0] = rindex(prog, '/')) != NULL) | |
559 | av[0]++; | |
560 | else | |
561 | av[0] = prog; | |
562 | av[n++] = "-n"; | |
563 | av[n++] = logname; | |
564 | av[n++] = "-h"; | |
845f1693 | 565 | av[n++] = fromhost; |
df7d5679 RC |
566 | av[n++] = AF; |
567 | av[n] = 0; | |
568 | fo = pfd; | |
569 | if (ofilter > 0) { /* stop output filter */ | |
570 | write(ofd, "\031\1", 2); | |
571 | while ((pid = wait3(&status, WUNTRACED, 0)) > 0 && pid != ofilter) | |
572 | ; | |
573 | if (status.w_stopval != WSTOPPED) { | |
574 | (void) close(fi); | |
47f0387b RC |
575 | syslog(LOG_WARNING, "%s: output filter died (%d)", |
576 | printer, status.w_retcode); | |
98d189de | 577 | return(REPRINT); |
df7d5679 RC |
578 | } |
579 | stopped++; | |
580 | } | |
581 | start: | |
582 | if ((child = dofork(DORETURN)) == 0) { /* child */ | |
583 | dup2(fi, 0); | |
584 | dup2(fo, 1); | |
9b492587 | 585 | n = open(tmpfile, O_WRONLY|O_CREAT|O_TRUNC, 0664); |
fbd83c9f RC |
586 | if (n >= 0) |
587 | dup2(n, 2); | |
df7d5679 RC |
588 | for (n = 3; n < NOFILE; n++) |
589 | (void) close(n); | |
590 | execv(prog, av); | |
47f0387b | 591 | syslog(LOG_ERR, "cannot execv %s", prog); |
df7d5679 RC |
592 | exit(2); |
593 | } | |
594 | (void) close(fi); | |
595 | if (child < 0) | |
596 | status.w_retcode = 100; | |
597 | else | |
598 | while ((pid = wait(&status)) > 0 && pid != child) | |
599 | ; | |
600 | child = 0; | |
601 | prchild = 0; | |
602 | if (stopped) { /* restart output filter */ | |
603 | if (kill(ofilter, SIGCONT) < 0) { | |
47f0387b | 604 | syslog(LOG_ERR, "cannot restart output filter"); |
df7d5679 RC |
605 | exit(1); |
606 | } | |
607 | } | |
608 | tof = 0; | |
fbd83c9f | 609 | if (!WIFEXITED(status)) { |
47f0387b RC |
610 | syslog(LOG_WARNING, "%s: Daemon filter '%c' terminated (%d)", |
611 | printer, format, status.w_termsig); | |
98d189de RC |
612 | return(ERROR); |
613 | } | |
614 | switch (status.w_retcode) { | |
615 | case 0: | |
616 | tof = 1; | |
617 | return(OK); | |
618 | case 1: | |
619 | return(REPRINT); | |
620 | default: | |
47f0387b RC |
621 | syslog(LOG_WARNING, "%s: Daemon filter '%c' exited (%d)", |
622 | printer, format, status.w_retcode); | |
98d189de RC |
623 | case 2: |
624 | return(ERROR); | |
625 | } | |
df7d5679 RC |
626 | } |
627 | ||
628 | /* | |
629 | * Send the daemon control file (cf) and any data files. | |
630 | * Return -1 if a non-recoverable error occured, 1 if a recoverable error and | |
631 | * 0 if all is well. | |
632 | */ | |
633 | sendit(file) | |
634 | char *file; | |
635 | { | |
98d189de RC |
636 | register int i, err = OK; |
637 | char *cp, last[BUFSIZ]; | |
df7d5679 RC |
638 | |
639 | /* | |
640 | * open control file | |
641 | */ | |
47f0387b | 642 | if ((cfp = fopen(file, "r")) == NULL) |
98d189de | 643 | return(OK); |
df7d5679 RC |
644 | /* |
645 | * read the control file for work to do | |
646 | * | |
647 | * file format -- first character in the line is a command | |
648 | * rest of the line is the argument. | |
649 | * commands of interest are: | |
650 | * | |
651 | * a-z -- "file name" name of file to print | |
652 | * U -- "unlink" name of file to remove | |
653 | * (after we print it. (Pass 2 only)). | |
654 | */ | |
655 | ||
656 | /* | |
657 | * pass 1 | |
658 | */ | |
659 | while (getline(cfp)) { | |
660 | again: | |
98d189de RC |
661 | if (line[0] == 'S') { |
662 | cp = line+1; | |
663 | i = 0; | |
664 | while (*cp >= '0' && *cp <= '9') | |
665 | i = i * 10 + (*cp++ - '0'); | |
666 | fdev = i; | |
667 | cp++; | |
668 | i = 0; | |
669 | while (*cp >= '0' && *cp <= '9') | |
670 | i = i * 10 + (*cp++ - '0'); | |
671 | fino = i; | |
672 | continue; | |
673 | } | |
df7d5679 RC |
674 | if (line[0] >= 'a' && line[0] <= 'z') { |
675 | strcpy(last, line); | |
98d189de | 676 | while (i = getline(cfp)) |
df7d5679 RC |
677 | if (strcmp(last, line)) |
678 | break; | |
98d189de RC |
679 | switch (sendfile('\3', last+1)) { |
680 | case OK: | |
681 | if (i) | |
682 | goto again; | |
df7d5679 | 683 | break; |
98d189de RC |
684 | case REPRINT: |
685 | (void) fclose(cfp); | |
686 | return(REPRINT); | |
687 | case ACCESS: | |
688 | sendmail(logname, ACCESS); | |
689 | case ERROR: | |
690 | err = ERROR; | |
691 | } | |
df7d5679 RC |
692 | break; |
693 | } | |
694 | } | |
98d189de | 695 | if (err == OK && sendfile('\2', file) > 0) { |
df7d5679 | 696 | (void) fclose(cfp); |
98d189de | 697 | return(REPRINT); |
df7d5679 RC |
698 | } |
699 | /* | |
700 | * pass 2 | |
701 | */ | |
702 | fseek(cfp, 0L, 0); | |
703 | while (getline(cfp)) | |
704 | if (line[0] == 'U') | |
705 | (void) unlink(line+1); | |
706 | /* | |
98d189de | 707 | * clean-up in case another control file exists |
df7d5679 RC |
708 | */ |
709 | (void) fclose(cfp); | |
710 | (void) unlink(file); | |
98d189de | 711 | return(err); |
df7d5679 RC |
712 | } |
713 | ||
714 | /* | |
715 | * Send a data file to the remote machine and spool it. | |
716 | * Return positive if we should try resending. | |
717 | */ | |
718 | sendfile(type, file) | |
719 | char type, *file; | |
720 | { | |
721 | register int f, i, amt; | |
722 | struct stat stb; | |
723 | char buf[BUFSIZ]; | |
47f0387b | 724 | int sizerr, resp; |
df7d5679 | 725 | |
98d189de RC |
726 | if (lstat(file, &stb) < 0 || (f = open(file, O_RDONLY)) < 0) |
727 | return(ERROR); | |
728 | /* | |
729 | * Check to see if data file is a symbolic link. If so, it should | |
730 | * still point to the same file or someone is trying to print something | |
731 | * he shouldn't. | |
732 | */ | |
733 | if ((stb.st_mode & S_IFMT) == S_IFLNK && fstat(f, &stb) == 0 && | |
734 | (stb.st_dev != fdev || stb.st_ino != fino)) | |
735 | return(ACCESS); | |
df7d5679 RC |
736 | (void) sprintf(buf, "%c%d %s\n", type, stb.st_size, file); |
737 | amt = strlen(buf); | |
47f0387b RC |
738 | for (i = 0; ; i++) { |
739 | if (write(pfd, buf, amt) != amt || | |
740 | (resp = response()) < 0 || resp == '\1') { | |
741 | (void) close(f); | |
98d189de | 742 | return(REPRINT); |
47f0387b RC |
743 | } else if (resp == '\0') |
744 | break; | |
745 | if (i == 0) | |
746 | status("no space on remote; waiting for queue to drain"); | |
747 | if (i == 10) | |
076ae92c | 748 | syslog(LOG_ALERT, "%s: can't send to %s; queue full", |
47f0387b RC |
749 | printer, RM); |
750 | sleep(5 * 60); | |
48ca7288 | 751 | } |
47f0387b RC |
752 | if (i) |
753 | status("sending to %s", RM); | |
df7d5679 RC |
754 | sizerr = 0; |
755 | for (i = 0; i < stb.st_size; i += BUFSIZ) { | |
756 | amt = BUFSIZ; | |
757 | if (i + amt > stb.st_size) | |
758 | amt = stb.st_size - i; | |
759 | if (sizerr == 0 && read(f, buf, amt) != amt) | |
760 | sizerr = 1; | |
48ca7288 RC |
761 | if (write(pfd, buf, amt) != amt) { |
762 | (void) close(f); | |
98d189de | 763 | return(REPRINT); |
48ca7288 | 764 | } |
df7d5679 RC |
765 | } |
766 | (void) close(f); | |
767 | if (sizerr) { | |
47f0387b | 768 | syslog(LOG_INFO, "%s: %s: changed size", printer, file); |
98d189de RC |
769 | /* tell recvjob to ignore this file */ |
770 | (void) write(pfd, "\1", 1); | |
771 | return(ERROR); | |
772 | } | |
773 | if (write(pfd, "", 1) != 1 || response()) | |
774 | return(REPRINT); | |
775 | return(OK); | |
df7d5679 RC |
776 | } |
777 | ||
778 | /* | |
779 | * Check to make sure there have been no errors and that both programs | |
780 | * are in sync with eachother. | |
781 | * Return non-zero if the connection was lost. | |
782 | */ | |
47f0387b | 783 | response() |
df7d5679 RC |
784 | { |
785 | char resp; | |
786 | ||
47f0387b RC |
787 | if (read(pfd, &resp, 1) != 1) { |
788 | syslog(LOG_INFO, "%s: lost connection", printer); | |
789 | return(-1); | |
df7d5679 | 790 | } |
47f0387b | 791 | return(resp); |
df7d5679 RC |
792 | } |
793 | ||
794 | /* | |
795 | * Banner printing stuff | |
796 | */ | |
797 | banner(name1, name2) | |
798 | char *name1, *name2; | |
799 | { | |
800 | time_t tvec; | |
801 | extern char *ctime(); | |
802 | ||
803 | time(&tvec); | |
804 | if (!SF && !tof) | |
805 | (void) write(ofd, FF, strlen(FF)); | |
806 | if (SB) { /* short banner only */ | |
807 | if (class[0]) { | |
808 | (void) write(ofd, class, strlen(class)); | |
809 | (void) write(ofd, ":", 1); | |
810 | } | |
811 | (void) write(ofd, name1, strlen(name1)); | |
812 | (void) write(ofd, " Job: ", 7); | |
813 | (void) write(ofd, name2, strlen(name2)); | |
814 | (void) write(ofd, " Date: ", 8); | |
815 | (void) write(ofd, ctime(&tvec), 24); | |
816 | (void) write(ofd, "\n", 1); | |
817 | } else { /* normal banner */ | |
818 | (void) write(ofd, "\n\n\n", 3); | |
819 | scan_out(ofd, name1, '\0'); | |
820 | (void) write(ofd, "\n\n", 2); | |
821 | scan_out(ofd, name2, '\0'); | |
822 | if (class[0]) { | |
823 | (void) write(ofd,"\n\n\n",3); | |
824 | scan_out(ofd, class, '\0'); | |
825 | } | |
826 | (void) write(ofd, "\n\n\n\n\t\t\t\t\tJob: ", 15); | |
827 | (void) write(ofd, name2, strlen(name2)); | |
828 | (void) write(ofd, "\n\t\t\t\t\tDate: ", 12); | |
829 | (void) write(ofd, ctime(&tvec), 24); | |
830 | (void) write(ofd, "\n", 1); | |
831 | } | |
832 | if (!SF) | |
833 | (void) write(ofd, FF, strlen(FF)); | |
834 | tof = 1; | |
835 | } | |
836 | ||
47f0387b | 837 | char * |
df7d5679 RC |
838 | scnline(key, p, c) |
839 | register char key, *p; | |
840 | char c; | |
841 | { | |
842 | register scnwidth; | |
843 | ||
844 | for (scnwidth = WIDTH; --scnwidth;) { | |
845 | key <<= 1; | |
846 | *p++ = key & 0200 ? c : BACKGND; | |
847 | } | |
848 | return (p); | |
849 | } | |
850 | ||
851 | #define TRC(q) (((q)-' ')&0177) | |
852 | ||
853 | scan_out(scfd, scsp, dlm) | |
854 | int scfd; | |
855 | char *scsp, dlm; | |
856 | { | |
857 | register char *strp; | |
858 | register nchrs, j; | |
859 | char outbuf[LINELEN+1], *sp, c, cc; | |
860 | int d, scnhgt; | |
861 | extern char scnkey[][HEIGHT]; /* in lpdchar.c */ | |
862 | ||
863 | for (scnhgt = 0; scnhgt++ < HEIGHT+DROP; ) { | |
864 | strp = &outbuf[0]; | |
865 | sp = scsp; | |
866 | for (nchrs = 0; ; ) { | |
867 | d = dropit(c = TRC(cc = *sp++)); | |
868 | if ((!d && scnhgt > HEIGHT) || (scnhgt <= DROP && d)) | |
869 | for (j = WIDTH; --j;) | |
870 | *strp++ = BACKGND; | |
871 | else | |
872 | strp = scnline(scnkey[c][scnhgt-1-d], strp, cc); | |
873 | if (*sp == dlm || *sp == '\0' || nchrs++ >= PW/(WIDTH+1)-1) | |
874 | break; | |
875 | *strp++ = BACKGND; | |
876 | *strp++ = BACKGND; | |
877 | } | |
878 | while (*--strp == BACKGND && strp >= outbuf) | |
879 | ; | |
880 | strp++; | |
881 | *strp++ = '\n'; | |
882 | (void) write(scfd, outbuf, strp-outbuf); | |
883 | } | |
884 | } | |
885 | ||
886 | dropit(c) | |
887 | char c; | |
888 | { | |
889 | switch(c) { | |
890 | ||
891 | case TRC('_'): | |
892 | case TRC(';'): | |
893 | case TRC(','): | |
894 | case TRC('g'): | |
895 | case TRC('j'): | |
896 | case TRC('p'): | |
897 | case TRC('q'): | |
898 | case TRC('y'): | |
899 | return (DROP); | |
900 | ||
901 | default: | |
902 | return (0); | |
903 | } | |
904 | } | |
905 | ||
906 | /* | |
907 | * sendmail --- | |
908 | * tell people about job completion | |
909 | */ | |
fbd83c9f RC |
910 | sendmail(user, bombed) |
911 | char *user; | |
df7d5679 RC |
912 | int bombed; |
913 | { | |
df7d5679 | 914 | register int i; |
fbd83c9f | 915 | int p[2], s; |
df7d5679 RC |
916 | register char *cp; |
917 | char buf[100]; | |
fbd83c9f RC |
918 | struct stat stb; |
919 | FILE *fp; | |
df7d5679 RC |
920 | |
921 | pipe(p); | |
fbd83c9f | 922 | if ((s = dofork(DORETURN)) == 0) { /* child */ |
df7d5679 RC |
923 | dup2(p[0], 0); |
924 | for (i = 3; i < NOFILE; i++) | |
925 | (void) close(i); | |
7abf8d65 | 926 | if ((cp = rindex(_PATH_SENDMAIL, '/')) != NULL) |
df7d5679 RC |
927 | cp++; |
928 | else | |
7abf8d65 | 929 | cp = _PATH_SENDMAIL; |
fbd83c9f | 930 | sprintf(buf, "%s@%s", user, fromhost); |
7abf8d65 | 931 | execl(_PATH_SENDMAIL, cp, buf, 0); |
df7d5679 | 932 | exit(0); |
fbd83c9f | 933 | } else if (s > 0) { /* parent */ |
df7d5679 | 934 | dup2(p[1], 1); |
fbd83c9f | 935 | printf("To: %s@%s\n", user, fromhost); |
df7d5679 RC |
936 | printf("Subject: printer job\n\n"); |
937 | printf("Your printer job "); | |
938 | if (*jobname) | |
939 | printf("(%s) ", jobname); | |
88f026f7 | 940 | switch (bombed) { |
98d189de | 941 | case OK: |
88f026f7 RC |
942 | printf("\ncompleted successfully\n"); |
943 | break; | |
944 | default: | |
98d189de | 945 | case FATALERR: |
88f026f7 RC |
946 | printf("\ncould not be printed\n"); |
947 | break; | |
98d189de | 948 | case NOACCT: |
88f026f7 RC |
949 | printf("\ncould not be printed without an account on %s\n", host); |
950 | break; | |
98d189de | 951 | case FILTERERR: |
fbd83c9f RC |
952 | if (stat(tmpfile, &stb) < 0 || stb.st_size == 0 || |
953 | (fp = fopen(tmpfile, "r")) == NULL) { | |
954 | printf("\nwas printed but had some errors\n"); | |
955 | break; | |
956 | } | |
957 | printf("\nwas printed but had the following errors:\n"); | |
958 | while ((i = getc(fp)) != EOF) | |
959 | putchar(i); | |
960 | (void) fclose(fp); | |
98d189de RC |
961 | break; |
962 | case ACCESS: | |
963 | printf("\nwas not printed because it was not linked to the original file\n"); | |
88f026f7 | 964 | } |
df7d5679 RC |
965 | fflush(stdout); |
966 | (void) close(1); | |
967 | } | |
968 | (void) close(p[0]); | |
969 | (void) close(p[1]); | |
fbd83c9f | 970 | wait(&s); |
df7d5679 RC |
971 | } |
972 | ||
973 | /* | |
974 | * dofork - fork with retries on failure | |
975 | */ | |
976 | dofork(action) | |
977 | int action; | |
978 | { | |
979 | register int i, pid; | |
980 | ||
981 | for (i = 0; i < 20; i++) { | |
88f026f7 | 982 | if ((pid = fork()) < 0) { |
df7d5679 | 983 | sleep((unsigned)(i*i)); |
88f026f7 RC |
984 | continue; |
985 | } | |
986 | /* | |
987 | * Child should run as daemon instead of root | |
988 | */ | |
989 | if (pid == 0) | |
990 | setuid(DU); | |
991 | return(pid); | |
df7d5679 | 992 | } |
47f0387b | 993 | syslog(LOG_ERR, "can't fork"); |
df7d5679 RC |
994 | |
995 | switch (action) { | |
996 | case DORETURN: | |
997 | return (-1); | |
998 | default: | |
47f0387b | 999 | syslog(LOG_ERR, "bad action (%d) to dofork", action); |
df7d5679 RC |
1000 | /*FALL THRU*/ |
1001 | case DOABORT: | |
1002 | exit(1); | |
1003 | } | |
1004 | /*NOTREACHED*/ | |
1005 | } | |
1006 | ||
1007 | /* | |
47f0387b | 1008 | * Kill child processes to abort current job. |
df7d5679 | 1009 | */ |
47f0387b | 1010 | abortpr() |
df7d5679 | 1011 | { |
fbd83c9f | 1012 | (void) unlink(tmpfile); |
df7d5679 RC |
1013 | kill(0, SIGINT); |
1014 | if (ofilter > 0) | |
1015 | kill(ofilter, SIGCONT); | |
1016 | while (wait(0) > 0) | |
1017 | ; | |
1018 | exit(0); | |
1019 | } | |
1020 | ||
1021 | init() | |
1022 | { | |
1023 | int status; | |
b5eb1530 | 1024 | char *s; |
df7d5679 | 1025 | |
9e8db329 TF |
1026 | if ((status = pgetent(line, printer)) < 0) { |
1027 | syslog(LOG_ERR, "can't open printer description file"); | |
1028 | exit(1); | |
1029 | } else if (status == 0) { | |
1030 | syslog(LOG_ERR, "unknown printer: %s", printer); | |
1031 | exit(1); | |
1032 | } | |
df7d5679 | 1033 | if ((LP = pgetstr("lp", &bp)) == NULL) |
7abf8d65 | 1034 | LP = _PATH_DEFDEVLP; |
df7d5679 | 1035 | if ((RP = pgetstr("rp", &bp)) == NULL) |
88f026f7 | 1036 | RP = DEFLP; |
df7d5679 RC |
1037 | if ((LO = pgetstr("lo", &bp)) == NULL) |
1038 | LO = DEFLOCK; | |
1039 | if ((ST = pgetstr("st", &bp)) == NULL) | |
1040 | ST = DEFSTAT; | |
1041 | if ((LF = pgetstr("lf", &bp)) == NULL) | |
7abf8d65 | 1042 | LF = _PATH_CONSOLE; |
df7d5679 | 1043 | if ((SD = pgetstr("sd", &bp)) == NULL) |
7abf8d65 | 1044 | SD = _PATH_DEFSPOOL; |
df7d5679 RC |
1045 | if ((DU = pgetnum("du")) < 0) |
1046 | DU = DEFUID; | |
1047 | if ((FF = pgetstr("ff", &bp)) == NULL) | |
1048 | FF = DEFFF; | |
1049 | if ((PW = pgetnum("pw")) < 0) | |
1050 | PW = DEFWIDTH; | |
1051 | sprintf(&width[2], "%d", PW); | |
1052 | if ((PL = pgetnum("pl")) < 0) | |
1053 | PL = DEFLENGTH; | |
1054 | sprintf(&length[2], "%d", PL); | |
88f026f7 RC |
1055 | if ((PX = pgetnum("px")) < 0) |
1056 | PX = 0; | |
1057 | sprintf(&pxwidth[2], "%d", PX); | |
1058 | if ((PY = pgetnum("py")) < 0) | |
1059 | PY = 0; | |
1060 | sprintf(&pxlength[2], "%d", PY); | |
df7d5679 | 1061 | RM = pgetstr("rm", &bp); |
b5eb1530 TF |
1062 | if (s = checkremote()) |
1063 | syslog(LOG_WARNING, s); | |
9e8db329 | 1064 | |
df7d5679 RC |
1065 | AF = pgetstr("af", &bp); |
1066 | OF = pgetstr("of", &bp); | |
1067 | IF = pgetstr("if", &bp); | |
88f026f7 | 1068 | RF = pgetstr("rf", &bp); |
df7d5679 | 1069 | TF = pgetstr("tf", &bp); |
a4f59913 | 1070 | NF = pgetstr("nf", &bp); |
df7d5679 RC |
1071 | DF = pgetstr("df", &bp); |
1072 | GF = pgetstr("gf", &bp); | |
1073 | VF = pgetstr("vf", &bp); | |
1074 | CF = pgetstr("cf", &bp); | |
1075 | TR = pgetstr("tr", &bp); | |
88f026f7 | 1076 | RS = pgetflag("rs"); |
df7d5679 RC |
1077 | SF = pgetflag("sf"); |
1078 | SH = pgetflag("sh"); | |
1079 | SB = pgetflag("sb"); | |
1e7998ee | 1080 | HL = pgetflag("hl"); |
df7d5679 RC |
1081 | RW = pgetflag("rw"); |
1082 | BR = pgetnum("br"); | |
1083 | if ((FC = pgetnum("fc")) < 0) | |
1084 | FC = 0; | |
1085 | if ((FS = pgetnum("fs")) < 0) | |
1086 | FS = 0; | |
1087 | if ((XC = pgetnum("xc")) < 0) | |
1088 | XC = 0; | |
1089 | if ((XS = pgetnum("xs")) < 0) | |
1090 | XS = 0; | |
6bd17dac | 1091 | tof = !pgetflag("fo"); |
df7d5679 RC |
1092 | } |
1093 | ||
88f026f7 RC |
1094 | /* |
1095 | * Acquire line printer or remote connection. | |
1096 | */ | |
1097 | openpr() | |
1098 | { | |
1099 | register int i, n; | |
47f0387b | 1100 | int resp; |
88f026f7 | 1101 | |
b5eb1530 | 1102 | if (!sendtorem && *LP) { |
88f026f7 | 1103 | for (i = 1; ; i = i < 32 ? i << 1 : i) { |
adec4d9e | 1104 | pfd = open(LP, RW ? O_RDWR : O_WRONLY); |
88f026f7 RC |
1105 | if (pfd >= 0) |
1106 | break; | |
1107 | if (errno == ENOENT) { | |
47f0387b | 1108 | syslog(LOG_ERR, "%s: %m", LP); |
88f026f7 RC |
1109 | exit(1); |
1110 | } | |
1111 | if (i == 1) | |
1112 | status("waiting for %s to become ready (offline ?)", printer); | |
1113 | sleep(i); | |
1114 | } | |
1115 | if (isatty(pfd)) | |
1116 | setty(); | |
1117 | status("%s is ready and printing", printer); | |
1118 | } else if (RM != NULL) { | |
47f0387b RC |
1119 | for (i = 1; ; i = i < 256 ? i << 1 : i) { |
1120 | resp = -1; | |
a87bde97 | 1121 | pfd = getport(RM); |
88f026f7 RC |
1122 | if (pfd >= 0) { |
1123 | (void) sprintf(line, "\2%s\n", RP); | |
1124 | n = strlen(line); | |
47f0387b RC |
1125 | if (write(pfd, line, n) == n && |
1126 | (resp = response()) == '\0') | |
88f026f7 | 1127 | break; |
1d57b303 RC |
1128 | (void) close(pfd); |
1129 | } | |
1130 | if (i == 1) { | |
47f0387b | 1131 | if (resp < 0) |
1d57b303 | 1132 | status("waiting for %s to come up", RM); |
47f0387b | 1133 | else { |
1d57b303 | 1134 | status("waiting for queue to be enabled on %s", RM); |
47f0387b RC |
1135 | i = 256; |
1136 | } | |
88f026f7 | 1137 | } |
88f026f7 RC |
1138 | sleep(i); |
1139 | } | |
1140 | status("sending to %s", RM); | |
1141 | remote = 1; | |
1142 | } else { | |
47f0387b RC |
1143 | syslog(LOG_ERR, "%s: no line printer device or host name", |
1144 | printer); | |
88f026f7 RC |
1145 | exit(1); |
1146 | } | |
1147 | /* | |
1148 | * Start up an output filter, if needed. | |
1149 | */ | |
1150 | if (OF) { | |
1151 | int p[2]; | |
1152 | char *cp; | |
1153 | ||
1154 | pipe(p); | |
1155 | if ((ofilter = dofork(DOABORT)) == 0) { /* child */ | |
1156 | dup2(p[0], 0); /* pipe is std in */ | |
1157 | dup2(pfd, 1); /* printer is std out */ | |
1158 | for (i = 3; i < NOFILE; i++) | |
1159 | (void) close(i); | |
1160 | if ((cp = rindex(OF, '/')) == NULL) | |
1161 | cp = OF; | |
1162 | else | |
1163 | cp++; | |
1164 | execl(OF, cp, width, length, 0); | |
47f0387b | 1165 | syslog(LOG_ERR, "%s: %s: %m", printer, OF); |
88f026f7 RC |
1166 | exit(1); |
1167 | } | |
1168 | (void) close(p[0]); /* close input side */ | |
1169 | ofd = p[1]; /* use pipe for output */ | |
1170 | } else { | |
1171 | ofd = pfd; | |
1172 | ofilter = 0; | |
1173 | } | |
1174 | } | |
1175 | ||
df7d5679 RC |
1176 | struct bauds { |
1177 | int baud; | |
1178 | int speed; | |
1179 | } bauds[] = { | |
1180 | 50, B50, | |
1181 | 75, B75, | |
1182 | 110, B110, | |
1183 | 134, B134, | |
1184 | 150, B150, | |
1185 | 200, B200, | |
1186 | 300, B300, | |
1187 | 600, B600, | |
1188 | 1200, B1200, | |
1189 | 1800, B1800, | |
1190 | 2400, B2400, | |
1191 | 4800, B4800, | |
1192 | 9600, B9600, | |
1193 | 19200, EXTA, | |
1194 | 38400, EXTB, | |
1195 | 0, 0 | |
1196 | }; | |
1197 | ||
1198 | /* | |
1199 | * setup tty lines. | |
1200 | */ | |
1201 | setty() | |
1202 | { | |
1203 | struct sgttyb ttybuf; | |
1204 | register struct bauds *bp; | |
1205 | ||
1206 | if (ioctl(pfd, TIOCEXCL, (char *)0) < 0) { | |
47f0387b | 1207 | syslog(LOG_ERR, "%s: ioctl(TIOCEXCL): %m", printer); |
df7d5679 RC |
1208 | exit(1); |
1209 | } | |
1210 | if (ioctl(pfd, TIOCGETP, (char *)&ttybuf) < 0) { | |
47f0387b | 1211 | syslog(LOG_ERR, "%s: ioctl(TIOCGETP): %m", printer); |
df7d5679 RC |
1212 | exit(1); |
1213 | } | |
1214 | if (BR > 0) { | |
1215 | for (bp = bauds; bp->baud; bp++) | |
1216 | if (BR == bp->baud) | |
1217 | break; | |
1218 | if (!bp->baud) { | |
47f0387b | 1219 | syslog(LOG_ERR, "%s: illegal baud rate %d", printer, BR); |
df7d5679 RC |
1220 | exit(1); |
1221 | } | |
1222 | ttybuf.sg_ispeed = ttybuf.sg_ospeed = bp->speed; | |
1223 | } | |
c6d1c018 RC |
1224 | ttybuf.sg_flags &= ~FC; |
1225 | ttybuf.sg_flags |= FS; | |
df7d5679 | 1226 | if (ioctl(pfd, TIOCSETP, (char *)&ttybuf) < 0) { |
47f0387b | 1227 | syslog(LOG_ERR, "%s: ioctl(TIOCSETP): %m", printer); |
df7d5679 RC |
1228 | exit(1); |
1229 | } | |
1230 | if (XC) { | |
1231 | if (ioctl(pfd, TIOCLBIC, &XC) < 0) { | |
47f0387b | 1232 | syslog(LOG_ERR, "%s: ioctl(TIOCLBIC): %m", printer); |
df7d5679 RC |
1233 | exit(1); |
1234 | } | |
1235 | } | |
1236 | if (XS) { | |
1237 | if (ioctl(pfd, TIOCLBIS, &XS) < 0) { | |
47f0387b | 1238 | syslog(LOG_ERR, "%s: ioctl(TIOCLBIS): %m", printer); |
df7d5679 RC |
1239 | exit(1); |
1240 | } | |
1241 | } | |
1242 | } | |
88f026f7 RC |
1243 | |
1244 | /*VARARGS1*/ | |
88f026f7 RC |
1245 | status(msg, a1, a2, a3) |
1246 | char *msg; | |
1247 | { | |
1248 | register int fd; | |
1249 | char buf[BUFSIZ]; | |
1250 | ||
1251 | umask(0); | |
adec4d9e | 1252 | fd = open(ST, O_WRONLY|O_CREAT, 0664); |
47f0387b RC |
1253 | if (fd < 0 || flock(fd, LOCK_EX) < 0) { |
1254 | syslog(LOG_ERR, "%s: %s: %m", printer, ST); | |
1255 | exit(1); | |
1256 | } | |
adec4d9e | 1257 | ftruncate(fd, 0); |
88f026f7 RC |
1258 | sprintf(buf, msg, a1, a2, a3); |
1259 | strcat(buf, "\n"); | |
1260 | (void) write(fd, buf, strlen(buf)); | |
1261 | (void) close(fd); | |
1262 | } |