Commit | Line | Data |
---|---|---|
d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
5f84f8f0 | 7 | #ifndef lint |
9e8db329 | 8 | static char sccsid[] = "@(#)printjob.c 5.2 (Berkeley) 9/17/85"; |
d0aeaf5a | 9 | #endif not lint |
5f84f8f0 | 10 | |
df7d5679 RC |
11 | /* |
12 | * printjob -- print jobs in the queue. | |
13 | * | |
14 | * NOTE: the lock file is used to pass information to lpq and lprm. | |
15 | * it does not need to be removed because file locks are dynamic. | |
16 | */ | |
17 | ||
18 | #include "lp.h" | |
19 | ||
47f0387b RC |
20 | #define DORETURN 0 /* absorb fork error */ |
21 | #define DOABORT 1 /* abort if dofork fails */ | |
22 | ||
98d189de RC |
23 | /* |
24 | * Error tokens | |
25 | */ | |
26 | #define REPRINT -2 | |
27 | #define ERROR -1 | |
28 | #define OK 0 | |
29 | #define FATALERR 1 | |
30 | #define NOACCT 2 | |
31 | #define FILTERERR 3 | |
32 | #define ACCESS 4 | |
33 | ||
47f0387b RC |
34 | char title[80]; /* ``pr'' title */ |
35 | FILE *cfp; /* control file */ | |
36 | int pfd; /* printer file descriptor */ | |
37 | int ofd; /* output filter file descriptor */ | |
38 | int lfd; /* lock file descriptor */ | |
39 | int pid; /* pid of lpd process */ | |
40 | int prchild; /* id of pr process */ | |
41 | int child; /* id of any filters */ | |
42 | int ofilter; /* id of output filter, if any */ | |
43 | int tof; /* true if at top of form */ | |
44 | int remote; /* true if sending files to remote */ | |
98d189de RC |
45 | dev_t fdev; /* device of file pointed to by symlink */ |
46 | ino_t fino; /* inode of file pointed to by symlink */ | |
47f0387b RC |
47 | |
48 | char fromhost[32]; /* user's host machine */ | |
49 | char logname[32]; /* user's login name */ | |
50 | char jobname[100]; /* job or file name */ | |
51 | char class[32]; /* classification field */ | |
52 | char width[10] = "-w"; /* page width in characters */ | |
53 | char length[10] = "-l"; /* page length in lines */ | |
54 | char pxwidth[10] = "-x"; /* page width in pixels */ | |
55 | char pxlength[10] = "-y"; /* page length in pixels */ | |
56 | char indent[10] = "-i0"; /* indentation size in characters */ | |
57 | char tmpfile[] = "errsXXXXXX"; /* file name for filter output */ | |
df7d5679 RC |
58 | |
59 | printjob() | |
60 | { | |
61 | struct stat stb; | |
62 | register struct queue *q, **qp; | |
63 | struct queue **queue; | |
64 | register int i, nitems; | |
65 | long pidoff; | |
47f0387b RC |
66 | int count = 0; |
67 | extern int abortpr(); | |
df7d5679 | 68 | |
df7d5679 | 69 | init(); /* set up capabilities */ |
8fed920b | 70 | (void) write(1, "", 1); /* ack that daemon is started */ |
126fc76f EA |
71 | (void) close(2); /* set up log file */ |
72 | if (open(LF, O_WRONLY|O_APPEND, 0664) < 0) { | |
73 | syslog(LOG_ERR, "%s: %m", LF); | |
74 | (void) open("/dev/null", O_WRONLY); | |
75 | } | |
47f0387b | 76 | setgid(getegid()); |
88f026f7 | 77 | pid = getpid(); /* for use with lprm */ |
df7d5679 | 78 | setpgrp(0, pid); |
47f0387b RC |
79 | signal(SIGHUP, abortpr); |
80 | signal(SIGINT, abortpr); | |
81 | signal(SIGQUIT, abortpr); | |
82 | signal(SIGTERM, abortpr); | |
df7d5679 | 83 | |
fbd83c9f RC |
84 | (void) mktemp(tmpfile); |
85 | ||
df7d5679 RC |
86 | /* |
87 | * uses short form file names | |
88 | */ | |
89 | if (chdir(SD) < 0) { | |
47f0387b | 90 | syslog(LOG_ERR, "%s: %m", SD); |
df7d5679 RC |
91 | exit(1); |
92 | } | |
88f026f7 RC |
93 | if (stat(LO, &stb) == 0 && (stb.st_mode & 0100)) |
94 | exit(0); /* printing disabled */ | |
845f1693 | 95 | lfd = open(LO, O_WRONLY|O_CREAT, 0644); |
c6d1c018 | 96 | if (lfd < 0) { |
47f0387b | 97 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
c6d1c018 RC |
98 | exit(1); |
99 | } | |
100 | if (flock(lfd, LOCK_EX|LOCK_NB) < 0) { | |
df7d5679 RC |
101 | if (errno == EWOULDBLOCK) /* active deamon present */ |
102 | exit(0); | |
47f0387b | 103 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
104 | exit(1); |
105 | } | |
adec4d9e | 106 | ftruncate(lfd, 0); |
df7d5679 RC |
107 | /* |
108 | * write process id for others to know | |
109 | */ | |
110 | sprintf(line, "%u\n", pid); | |
111 | pidoff = i = strlen(line); | |
88f026f7 | 112 | if (write(lfd, line, i) != i) { |
47f0387b | 113 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
114 | exit(1); |
115 | } | |
df7d5679 RC |
116 | /* |
117 | * search the spool directory for work and sort by queue order. | |
118 | */ | |
df7d5679 | 119 | if ((nitems = getq(&queue)) < 0) { |
47f0387b | 120 | syslog(LOG_ERR, "%s: can't scan %s", printer, SD); |
df7d5679 RC |
121 | exit(1); |
122 | } | |
88f026f7 | 123 | if (nitems == 0) /* no work to do */ |
df7d5679 | 124 | exit(0); |
c6d1c018 RC |
125 | if (stb.st_mode & 01) { /* reset queue flag */ |
126 | if (fchmod(lfd, stb.st_mode & 0776) < 0) | |
47f0387b | 127 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
c6d1c018 | 128 | } |
88f026f7 RC |
129 | openpr(); /* open printer or remote */ |
130 | again: | |
df7d5679 RC |
131 | /* |
132 | * we found something to do now do it -- | |
133 | * write the name of the current control file into the lock file | |
134 | * so the spool queue program can tell what we're working on | |
135 | */ | |
136 | for (qp = queue; nitems--; free((char *) q)) { | |
137 | q = *qp++; | |
138 | if (stat(q->q_name, &stb) < 0) | |
139 | continue; | |
88f026f7 | 140 | restart: |
df7d5679 RC |
141 | (void) lseek(lfd, pidoff, 0); |
142 | (void) sprintf(line, "%s\n", q->q_name); | |
143 | i = strlen(line); | |
144 | if (write(lfd, line, i) != i) | |
47f0387b | 145 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
146 | if (!remote) |
147 | i = printit(q->q_name); | |
148 | else | |
149 | i = sendit(q->q_name); | |
88f026f7 | 150 | /* |
c6d1c018 RC |
151 | * Check to see if we are supposed to stop printing or |
152 | * if we are to rebuild the queue. | |
88f026f7 | 153 | */ |
c6d1c018 | 154 | if (fstat(lfd, &stb) == 0) { |
47f0387b | 155 | /* stop printing before starting next job? */ |
c6d1c018 RC |
156 | if (stb.st_mode & 0100) |
157 | goto done; | |
47f0387b | 158 | /* rebuild queue (after lpc topq) */ |
c6d1c018 RC |
159 | if (stb.st_mode & 01) { |
160 | for (free((char *) q); nitems--; free((char *) q)) | |
161 | q = *qp++; | |
162 | if (fchmod(lfd, stb.st_mode & 0776) < 0) | |
47f0387b RC |
163 | syslog(LOG_WARNING, "%s: %s: %m", |
164 | printer, LO); | |
c6d1c018 RC |
165 | break; |
166 | } | |
167 | } | |
98d189de | 168 | if (i == OK) /* file ok and printed */ |
845f1693 | 169 | count++; |
98d189de | 170 | else if (i == REPRINT) { /* try reprinting the job */ |
47f0387b | 171 | syslog(LOG_INFO, "restarting %s", printer); |
df7d5679 RC |
172 | if (ofilter > 0) { |
173 | kill(ofilter, SIGCONT); /* to be sure */ | |
174 | (void) close(ofd); | |
175 | while ((i = wait(0)) > 0 && i != ofilter) | |
176 | ; | |
177 | ofilter = 0; | |
178 | } | |
88f026f7 | 179 | (void) close(pfd); /* close printer */ |
fbd83c9f | 180 | if (ftruncate(lfd, pidoff) < 0) |
47f0387b | 181 | syslog(LOG_WARNING, "%s: %s: %m", printer, LO); |
88f026f7 | 182 | openpr(); /* try to reopen printer */ |
df7d5679 RC |
183 | goto restart; |
184 | } | |
185 | } | |
186 | free((char *) queue); | |
88f026f7 RC |
187 | /* |
188 | * search the spool directory for more work. | |
189 | */ | |
190 | if ((nitems = getq(&queue)) < 0) { | |
47f0387b | 191 | syslog(LOG_ERR, "%s: can't scan %s", printer, SD); |
88f026f7 RC |
192 | exit(1); |
193 | } | |
194 | if (nitems == 0) { /* no more work to do */ | |
195 | done: | |
845f1693 RC |
196 | if (count > 0) { /* Files actually printed */ |
197 | if (!SF && !tof) | |
198 | (void) write(ofd, FF, strlen(FF)); | |
199 | if (TR != NULL) /* output trailer */ | |
200 | (void) write(ofd, TR, strlen(TR)); | |
201 | } | |
fbd83c9f | 202 | (void) unlink(tmpfile); |
88f026f7 RC |
203 | exit(0); |
204 | } | |
df7d5679 RC |
205 | goto again; |
206 | } | |
207 | ||
208 | char fonts[4][50]; /* fonts for troff */ | |
209 | ||
47f0387b | 210 | char ifonts[4][18] = { |
df7d5679 RC |
211 | "/usr/lib/vfont/R", |
212 | "/usr/lib/vfont/I", | |
213 | "/usr/lib/vfont/B", | |
214 | "/usr/lib/vfont/S" | |
215 | }; | |
216 | ||
217 | /* | |
218 | * The remaining part is the reading of the control file (cf) | |
219 | * and performing the various actions. | |
df7d5679 RC |
220 | */ |
221 | printit(file) | |
222 | char *file; | |
223 | { | |
224 | register int i; | |
98d189de RC |
225 | char *cp; |
226 | int bombed = OK; | |
df7d5679 RC |
227 | |
228 | /* | |
98d189de | 229 | * open control file; ignore if no longer there. |
df7d5679 RC |
230 | */ |
231 | if ((cfp = fopen(file, "r")) == NULL) { | |
47f0387b | 232 | syslog(LOG_INFO, "%s: %s: %m", printer, file); |
98d189de | 233 | return(OK); |
df7d5679 RC |
234 | } |
235 | /* | |
236 | * Reset troff fonts. | |
237 | */ | |
238 | for (i = 0; i < 4; i++) | |
239 | strcpy(fonts[i], ifonts[i]); | |
155b93d2 | 240 | strcpy(width+2, "0"); |
d2d55096 | 241 | strcpy(indent+2, "0"); |
df7d5679 RC |
242 | |
243 | /* | |
244 | * read the control file for work to do | |
245 | * | |
246 | * file format -- first character in the line is a command | |
247 | * rest of the line is the argument. | |
248 | * valid commands are: | |
249 | * | |
98d189de | 250 | * S -- "stat info" for symbolic link protection |
df7d5679 RC |
251 | * J -- "job name" on banner page |
252 | * C -- "class name" on banner page | |
253 | * L -- "literal" user's name to print on banner | |
254 | * T -- "title" for pr | |
255 | * H -- "host name" of machine where lpr was done | |
256 | * P -- "person" user's login name | |
6bd17dac | 257 | * I -- "indent" amount to indent output |
df7d5679 RC |
258 | * f -- "file name" name of text file to print |
259 | * l -- "file name" text file with control chars | |
260 | * p -- "file name" text file to print with pr(1) | |
261 | * t -- "file name" troff(1) file to print | |
a4f59913 | 262 | * n -- "file name" ditroff(1) file to print |
df7d5679 RC |
263 | * d -- "file name" dvi file to print |
264 | * g -- "file name" plot(1G) file to print | |
265 | * v -- "file name" plain raster file to print | |
266 | * c -- "file name" cifplot file to print | |
267 | * 1 -- "R font file" for troff | |
268 | * 2 -- "I font file" for troff | |
269 | * 3 -- "B font file" for troff | |
270 | * 4 -- "S font file" for troff | |
271 | * N -- "name" of file (used by lpq) | |
272 | * U -- "unlink" name of file to remove | |
273 | * (after we print it. (Pass 2 only)). | |
274 | * M -- "mail" to user when done printing | |
275 | * | |
276 | * getline reads a line and expands tabs to blanks | |
277 | */ | |
278 | ||
279 | /* pass 1 */ | |
280 | ||
281 | while (getline(cfp)) | |
282 | switch (line[0]) { | |
283 | case 'H': | |
845f1693 | 284 | strcpy(fromhost, line+1); |
df7d5679 | 285 | if (class[0] == '\0') |
731697c1 | 286 | strncpy(class, line+1, sizeof(class)-1); |
df7d5679 RC |
287 | continue; |
288 | ||
289 | case 'P': | |
731697c1 | 290 | strncpy(logname, line+1, sizeof(logname)-1); |
88f026f7 RC |
291 | if (RS) { /* restricted */ |
292 | if (getpwnam(logname) == (struct passwd *)0) { | |
98d189de | 293 | bombed = NOACCT; |
fbd83c9f | 294 | sendmail(line+1, bombed); |
88f026f7 RC |
295 | goto pass2; |
296 | } | |
297 | } | |
df7d5679 RC |
298 | continue; |
299 | ||
98d189de RC |
300 | case 'S': |
301 | cp = line+1; | |
302 | i = 0; | |
303 | while (*cp >= '0' && *cp <= '9') | |
304 | i = i * 10 + (*cp++ - '0'); | |
305 | fdev = i; | |
306 | cp++; | |
307 | i = 0; | |
308 | while (*cp >= '0' && *cp <= '9') | |
309 | i = i * 10 + (*cp++ - '0'); | |
310 | fino = i; | |
311 | continue; | |
312 | ||
df7d5679 RC |
313 | case 'J': |
314 | if (line[1] != '\0') | |
731697c1 | 315 | strncpy(jobname, line+1, sizeof(jobname)-1); |
df7d5679 RC |
316 | else |
317 | strcpy(jobname, " "); | |
318 | continue; | |
319 | ||
320 | case 'C': | |
321 | if (line[1] != '\0') | |
731697c1 | 322 | strncpy(class, line+1, sizeof(class)-1); |
df7d5679 | 323 | else if (class[0] == '\0') |
fbd83c9f | 324 | gethostname(class, sizeof(class)); |
df7d5679 RC |
325 | continue; |
326 | ||
327 | case 'T': /* header title for pr */ | |
731697c1 | 328 | strncpy(title, line+1, sizeof(title)-1); |
df7d5679 RC |
329 | continue; |
330 | ||
331 | case 'L': /* identification line */ | |
1e7998ee | 332 | if (!SH && !HL) |
df7d5679 RC |
333 | banner(line+1, jobname); |
334 | continue; | |
335 | ||
336 | case '1': /* troff fonts */ | |
337 | case '2': | |
338 | case '3': | |
339 | case '4': | |
340 | if (line[1] != '\0') | |
341 | strcpy(fonts[line[0]-'1'], line+1); | |
342 | continue; | |
343 | ||
344 | case 'W': /* page width */ | |
731697c1 | 345 | strncpy(width+2, line+1, sizeof(width)-3); |
df7d5679 RC |
346 | continue; |
347 | ||
6bd17dac | 348 | case 'I': /* indent amount */ |
731697c1 | 349 | strncpy(indent+2, line+1, sizeof(indent)-3); |
6bd17dac RC |
350 | continue; |
351 | ||
df7d5679 | 352 | default: /* some file to print */ |
fbd83c9f | 353 | switch (i = print(line[0], line+1)) { |
98d189de RC |
354 | case ERROR: |
355 | if (bombed == OK) | |
356 | bombed = FATALERR; | |
fbd83c9f | 357 | break; |
98d189de | 358 | case REPRINT: |
df7d5679 | 359 | (void) fclose(cfp); |
98d189de RC |
360 | return(REPRINT); |
361 | case FILTERERR: | |
362 | case ACCESS: | |
363 | bombed = i; | |
fbd83c9f RC |
364 | sendmail(logname, bombed); |
365 | } | |
df7d5679 RC |
366 | title[0] = '\0'; |
367 | continue; | |
368 | ||
df7d5679 RC |
369 | case 'N': |
370 | case 'U': | |
371 | case 'M': | |
372 | continue; | |
373 | } | |
374 | ||
375 | /* pass 2 */ | |
376 | ||
88f026f7 | 377 | pass2: |
df7d5679 RC |
378 | fseek(cfp, 0L, 0); |
379 | while (getline(cfp)) | |
380 | switch (line[0]) { | |
1e7998ee RC |
381 | case 'L': /* identification line */ |
382 | if (!SH && HL) | |
383 | banner(line+1, jobname); | |
384 | continue; | |
385 | ||
df7d5679 | 386 | case 'M': |
98d189de | 387 | if (bombed < NOACCT) /* already sent if >= NOACCT */ |
fbd83c9f | 388 | sendmail(line+1, bombed); |
df7d5679 RC |
389 | continue; |
390 | ||
391 | case 'U': | |
392 | (void) unlink(line+1); | |
393 | } | |
394 | /* | |
fbd83c9f | 395 | * clean-up in case another control file exists |
df7d5679 RC |
396 | */ |
397 | (void) fclose(cfp); | |
398 | (void) unlink(file); | |
98d189de | 399 | return(bombed == OK ? OK : ERROR); |
df7d5679 RC |
400 | } |
401 | ||
402 | /* | |
403 | * Print a file. | |
a4f59913 | 404 | * Set up the chain [ PR [ | {IF, OF} ] ] or {IF, RF, TF, NF, DF, CF, VF}. |
fbd83c9f RC |
405 | * Return -1 if a non-recoverable error occured, |
406 | * 2 if the filter detected some errors (but printed the job anyway), | |
407 | * 1 if we should try to reprint this job and | |
df7d5679 RC |
408 | * 0 if all is well. |
409 | * Note: all filters take stdin as the file, stdout as the printer, | |
410 | * stderr as the log file, and must not ignore SIGINT. | |
411 | */ | |
412 | print(format, file) | |
413 | int format; | |
414 | char *file; | |
415 | { | |
fbd83c9f | 416 | register int n; |
df7d5679 | 417 | register char *prog; |
fbd83c9f | 418 | int fi, fo; |
df7d5679 RC |
419 | char *av[15], buf[BUFSIZ]; |
420 | int pid, p[2], stopped = 0; | |
421 | union wait status; | |
98d189de | 422 | struct stat stb; |
df7d5679 | 423 | |
98d189de RC |
424 | if (lstat(file, &stb) < 0 || (fi = open(file, O_RDONLY)) < 0) |
425 | return(ERROR); | |
426 | /* | |
427 | * Check to see if data file is a symbolic link. If so, it should | |
428 | * still point to the same file or someone is trying to print | |
429 | * something he shouldn't. | |
430 | */ | |
431 | if ((stb.st_mode & S_IFMT) == S_IFLNK && fstat(fi, &stb) == 0 && | |
432 | (stb.st_dev != fdev || stb.st_ino != fino)) | |
433 | return(ACCESS); | |
df7d5679 RC |
434 | if (!SF && !tof) { /* start on a fresh page */ |
435 | (void) write(ofd, FF, strlen(FF)); | |
436 | tof = 1; | |
437 | } | |
438 | if (IF == NULL && (format == 'f' || format == 'l')) { | |
439 | tof = 0; | |
440 | while ((n = read(fi, buf, BUFSIZ)) > 0) | |
441 | if (write(ofd, buf, n) != n) { | |
442 | (void) close(fi); | |
98d189de | 443 | return(REPRINT); |
df7d5679 RC |
444 | } |
445 | (void) close(fi); | |
98d189de | 446 | return(OK); |
df7d5679 RC |
447 | } |
448 | switch (format) { | |
449 | case 'p': /* print file using 'pr' */ | |
450 | if (IF == NULL) { /* use output filter */ | |
451 | prog = PR; | |
452 | av[0] = "pr"; | |
453 | av[1] = width; | |
454 | av[2] = length; | |
455 | av[3] = "-h"; | |
456 | av[4] = *title ? title : " "; | |
457 | av[5] = 0; | |
458 | fo = ofd; | |
459 | goto start; | |
460 | } | |
461 | pipe(p); | |
462 | if ((prchild = dofork(DORETURN)) == 0) { /* child */ | |
463 | dup2(fi, 0); /* file is stdin */ | |
464 | dup2(p[1], 1); /* pipe is stdout */ | |
465 | for (n = 3; n < NOFILE; n++) | |
466 | (void) close(n); | |
467 | execl(PR, "pr", width, length, "-h", *title ? title : " ", 0); | |
47f0387b | 468 | syslog(LOG_ERR, "cannot execl %s", PR); |
df7d5679 RC |
469 | exit(2); |
470 | } | |
471 | (void) close(p[1]); /* close output side */ | |
472 | (void) close(fi); | |
473 | if (prchild < 0) { | |
474 | prchild = 0; | |
475 | (void) close(p[0]); | |
98d189de | 476 | return(ERROR); |
df7d5679 RC |
477 | } |
478 | fi = p[0]; /* use pipe for input */ | |
479 | case 'f': /* print plain text file */ | |
480 | prog = IF; | |
481 | av[1] = width; | |
482 | av[2] = length; | |
6bd17dac RC |
483 | av[3] = indent; |
484 | n = 4; | |
df7d5679 RC |
485 | break; |
486 | case 'l': /* like 'f' but pass control characters */ | |
487 | prog = IF; | |
62a109c4 | 488 | av[1] = "-c"; |
df7d5679 RC |
489 | av[2] = width; |
490 | av[3] = length; | |
6bd17dac RC |
491 | av[4] = indent; |
492 | n = 5; | |
df7d5679 | 493 | break; |
88f026f7 RC |
494 | case 'r': /* print a fortran text file */ |
495 | prog = RF; | |
496 | av[1] = width; | |
497 | av[2] = length; | |
498 | n = 3; | |
499 | break; | |
df7d5679 | 500 | case 't': /* print troff output */ |
a4f59913 | 501 | case 'n': /* print ditroff output */ |
88f026f7 | 502 | case 'd': /* print tex output */ |
df7d5679 | 503 | (void) unlink(".railmag"); |
88f026f7 | 504 | if ((fo = creat(".railmag", FILMOD)) < 0) { |
47f0387b | 505 | syslog(LOG_ERR, "%s: cannot create .railmag", printer); |
df7d5679 RC |
506 | (void) unlink(".railmag"); |
507 | } else { | |
508 | for (n = 0; n < 4; n++) { | |
509 | if (fonts[n][0] != '/') | |
510 | (void) write(fo, "/usr/lib/vfont/", 15); | |
511 | (void) write(fo, fonts[n], strlen(fonts[n])); | |
512 | (void) write(fo, "\n", 1); | |
513 | } | |
514 | (void) close(fo); | |
515 | } | |
a4f59913 | 516 | prog = (format == 't') ? TF : (format == 'n') ? NF : DF; |
88f026f7 RC |
517 | av[1] = pxwidth; |
518 | av[2] = pxlength; | |
519 | n = 3; | |
df7d5679 RC |
520 | break; |
521 | case 'c': /* print cifplot output */ | |
522 | prog = CF; | |
88f026f7 RC |
523 | av[1] = pxwidth; |
524 | av[2] = pxlength; | |
525 | n = 3; | |
df7d5679 RC |
526 | break; |
527 | case 'g': /* print plot(1G) output */ | |
528 | prog = GF; | |
88f026f7 RC |
529 | av[1] = pxwidth; |
530 | av[2] = pxlength; | |
531 | n = 3; | |
df7d5679 RC |
532 | break; |
533 | case 'v': /* print raster output */ | |
534 | prog = VF; | |
88f026f7 RC |
535 | av[1] = pxwidth; |
536 | av[2] = pxlength; | |
537 | n = 3; | |
df7d5679 RC |
538 | break; |
539 | default: | |
540 | (void) close(fi); | |
47f0387b RC |
541 | syslog(LOG_ERR, "%s: illegal format character '%c'", |
542 | printer, format); | |
98d189de | 543 | return(ERROR); |
df7d5679 RC |
544 | } |
545 | if ((av[0] = rindex(prog, '/')) != NULL) | |
546 | av[0]++; | |
547 | else | |
548 | av[0] = prog; | |
549 | av[n++] = "-n"; | |
550 | av[n++] = logname; | |
551 | av[n++] = "-h"; | |
845f1693 | 552 | av[n++] = fromhost; |
df7d5679 RC |
553 | av[n++] = AF; |
554 | av[n] = 0; | |
555 | fo = pfd; | |
556 | if (ofilter > 0) { /* stop output filter */ | |
557 | write(ofd, "\031\1", 2); | |
558 | while ((pid = wait3(&status, WUNTRACED, 0)) > 0 && pid != ofilter) | |
559 | ; | |
560 | if (status.w_stopval != WSTOPPED) { | |
561 | (void) close(fi); | |
47f0387b RC |
562 | syslog(LOG_WARNING, "%s: output filter died (%d)", |
563 | printer, status.w_retcode); | |
98d189de | 564 | return(REPRINT); |
df7d5679 RC |
565 | } |
566 | stopped++; | |
567 | } | |
568 | start: | |
569 | if ((child = dofork(DORETURN)) == 0) { /* child */ | |
570 | dup2(fi, 0); | |
571 | dup2(fo, 1); | |
9b492587 | 572 | n = open(tmpfile, O_WRONLY|O_CREAT|O_TRUNC, 0664); |
fbd83c9f RC |
573 | if (n >= 0) |
574 | dup2(n, 2); | |
df7d5679 RC |
575 | for (n = 3; n < NOFILE; n++) |
576 | (void) close(n); | |
577 | execv(prog, av); | |
47f0387b | 578 | syslog(LOG_ERR, "cannot execv %s", prog); |
df7d5679 RC |
579 | exit(2); |
580 | } | |
581 | (void) close(fi); | |
582 | if (child < 0) | |
583 | status.w_retcode = 100; | |
584 | else | |
585 | while ((pid = wait(&status)) > 0 && pid != child) | |
586 | ; | |
587 | child = 0; | |
588 | prchild = 0; | |
589 | if (stopped) { /* restart output filter */ | |
590 | if (kill(ofilter, SIGCONT) < 0) { | |
47f0387b | 591 | syslog(LOG_ERR, "cannot restart output filter"); |
df7d5679 RC |
592 | exit(1); |
593 | } | |
594 | } | |
595 | tof = 0; | |
fbd83c9f | 596 | if (!WIFEXITED(status)) { |
47f0387b RC |
597 | syslog(LOG_WARNING, "%s: Daemon filter '%c' terminated (%d)", |
598 | printer, format, status.w_termsig); | |
98d189de RC |
599 | return(ERROR); |
600 | } | |
601 | switch (status.w_retcode) { | |
602 | case 0: | |
603 | tof = 1; | |
604 | return(OK); | |
605 | case 1: | |
606 | return(REPRINT); | |
607 | default: | |
47f0387b RC |
608 | syslog(LOG_WARNING, "%s: Daemon filter '%c' exited (%d)", |
609 | printer, format, status.w_retcode); | |
98d189de RC |
610 | case 2: |
611 | return(ERROR); | |
612 | } | |
df7d5679 RC |
613 | } |
614 | ||
615 | /* | |
616 | * Send the daemon control file (cf) and any data files. | |
617 | * Return -1 if a non-recoverable error occured, 1 if a recoverable error and | |
618 | * 0 if all is well. | |
619 | */ | |
620 | sendit(file) | |
621 | char *file; | |
622 | { | |
98d189de RC |
623 | register int i, err = OK; |
624 | char *cp, last[BUFSIZ]; | |
df7d5679 RC |
625 | |
626 | /* | |
627 | * open control file | |
628 | */ | |
47f0387b | 629 | if ((cfp = fopen(file, "r")) == NULL) |
98d189de | 630 | return(OK); |
df7d5679 RC |
631 | /* |
632 | * read the control file for work to do | |
633 | * | |
634 | * file format -- first character in the line is a command | |
635 | * rest of the line is the argument. | |
636 | * commands of interest are: | |
637 | * | |
638 | * a-z -- "file name" name of file to print | |
639 | * U -- "unlink" name of file to remove | |
640 | * (after we print it. (Pass 2 only)). | |
641 | */ | |
642 | ||
643 | /* | |
644 | * pass 1 | |
645 | */ | |
646 | while (getline(cfp)) { | |
647 | again: | |
98d189de RC |
648 | if (line[0] == 'S') { |
649 | cp = line+1; | |
650 | i = 0; | |
651 | while (*cp >= '0' && *cp <= '9') | |
652 | i = i * 10 + (*cp++ - '0'); | |
653 | fdev = i; | |
654 | cp++; | |
655 | i = 0; | |
656 | while (*cp >= '0' && *cp <= '9') | |
657 | i = i * 10 + (*cp++ - '0'); | |
658 | fino = i; | |
659 | continue; | |
660 | } | |
df7d5679 RC |
661 | if (line[0] >= 'a' && line[0] <= 'z') { |
662 | strcpy(last, line); | |
98d189de | 663 | while (i = getline(cfp)) |
df7d5679 RC |
664 | if (strcmp(last, line)) |
665 | break; | |
98d189de RC |
666 | switch (sendfile('\3', last+1)) { |
667 | case OK: | |
668 | if (i) | |
669 | goto again; | |
df7d5679 | 670 | break; |
98d189de RC |
671 | case REPRINT: |
672 | (void) fclose(cfp); | |
673 | return(REPRINT); | |
674 | case ACCESS: | |
675 | sendmail(logname, ACCESS); | |
676 | case ERROR: | |
677 | err = ERROR; | |
678 | } | |
df7d5679 RC |
679 | break; |
680 | } | |
681 | } | |
98d189de | 682 | if (err == OK && sendfile('\2', file) > 0) { |
df7d5679 | 683 | (void) fclose(cfp); |
98d189de | 684 | return(REPRINT); |
df7d5679 RC |
685 | } |
686 | /* | |
687 | * pass 2 | |
688 | */ | |
689 | fseek(cfp, 0L, 0); | |
690 | while (getline(cfp)) | |
691 | if (line[0] == 'U') | |
692 | (void) unlink(line+1); | |
693 | /* | |
98d189de | 694 | * clean-up in case another control file exists |
df7d5679 RC |
695 | */ |
696 | (void) fclose(cfp); | |
697 | (void) unlink(file); | |
98d189de | 698 | return(err); |
df7d5679 RC |
699 | } |
700 | ||
701 | /* | |
702 | * Send a data file to the remote machine and spool it. | |
703 | * Return positive if we should try resending. | |
704 | */ | |
705 | sendfile(type, file) | |
706 | char type, *file; | |
707 | { | |
708 | register int f, i, amt; | |
709 | struct stat stb; | |
710 | char buf[BUFSIZ]; | |
47f0387b | 711 | int sizerr, resp; |
df7d5679 | 712 | |
98d189de RC |
713 | if (lstat(file, &stb) < 0 || (f = open(file, O_RDONLY)) < 0) |
714 | return(ERROR); | |
715 | /* | |
716 | * Check to see if data file is a symbolic link. If so, it should | |
717 | * still point to the same file or someone is trying to print something | |
718 | * he shouldn't. | |
719 | */ | |
720 | if ((stb.st_mode & S_IFMT) == S_IFLNK && fstat(f, &stb) == 0 && | |
721 | (stb.st_dev != fdev || stb.st_ino != fino)) | |
722 | return(ACCESS); | |
df7d5679 RC |
723 | (void) sprintf(buf, "%c%d %s\n", type, stb.st_size, file); |
724 | amt = strlen(buf); | |
47f0387b RC |
725 | for (i = 0; ; i++) { |
726 | if (write(pfd, buf, amt) != amt || | |
727 | (resp = response()) < 0 || resp == '\1') { | |
728 | (void) close(f); | |
98d189de | 729 | return(REPRINT); |
47f0387b RC |
730 | } else if (resp == '\0') |
731 | break; | |
732 | if (i == 0) | |
733 | status("no space on remote; waiting for queue to drain"); | |
734 | if (i == 10) | |
076ae92c | 735 | syslog(LOG_ALERT, "%s: can't send to %s; queue full", |
47f0387b RC |
736 | printer, RM); |
737 | sleep(5 * 60); | |
48ca7288 | 738 | } |
47f0387b RC |
739 | if (i) |
740 | status("sending to %s", RM); | |
df7d5679 RC |
741 | sizerr = 0; |
742 | for (i = 0; i < stb.st_size; i += BUFSIZ) { | |
743 | amt = BUFSIZ; | |
744 | if (i + amt > stb.st_size) | |
745 | amt = stb.st_size - i; | |
746 | if (sizerr == 0 && read(f, buf, amt) != amt) | |
747 | sizerr = 1; | |
48ca7288 RC |
748 | if (write(pfd, buf, amt) != amt) { |
749 | (void) close(f); | |
98d189de | 750 | return(REPRINT); |
48ca7288 | 751 | } |
df7d5679 RC |
752 | } |
753 | (void) close(f); | |
754 | if (sizerr) { | |
47f0387b | 755 | syslog(LOG_INFO, "%s: %s: changed size", printer, file); |
98d189de RC |
756 | /* tell recvjob to ignore this file */ |
757 | (void) write(pfd, "\1", 1); | |
758 | return(ERROR); | |
759 | } | |
760 | if (write(pfd, "", 1) != 1 || response()) | |
761 | return(REPRINT); | |
762 | return(OK); | |
df7d5679 RC |
763 | } |
764 | ||
765 | /* | |
766 | * Check to make sure there have been no errors and that both programs | |
767 | * are in sync with eachother. | |
768 | * Return non-zero if the connection was lost. | |
769 | */ | |
47f0387b | 770 | response() |
df7d5679 RC |
771 | { |
772 | char resp; | |
773 | ||
47f0387b RC |
774 | if (read(pfd, &resp, 1) != 1) { |
775 | syslog(LOG_INFO, "%s: lost connection", printer); | |
776 | return(-1); | |
df7d5679 | 777 | } |
47f0387b | 778 | return(resp); |
df7d5679 RC |
779 | } |
780 | ||
781 | /* | |
782 | * Banner printing stuff | |
783 | */ | |
784 | banner(name1, name2) | |
785 | char *name1, *name2; | |
786 | { | |
787 | time_t tvec; | |
788 | extern char *ctime(); | |
789 | ||
790 | time(&tvec); | |
791 | if (!SF && !tof) | |
792 | (void) write(ofd, FF, strlen(FF)); | |
793 | if (SB) { /* short banner only */ | |
794 | if (class[0]) { | |
795 | (void) write(ofd, class, strlen(class)); | |
796 | (void) write(ofd, ":", 1); | |
797 | } | |
798 | (void) write(ofd, name1, strlen(name1)); | |
799 | (void) write(ofd, " Job: ", 7); | |
800 | (void) write(ofd, name2, strlen(name2)); | |
801 | (void) write(ofd, " Date: ", 8); | |
802 | (void) write(ofd, ctime(&tvec), 24); | |
803 | (void) write(ofd, "\n", 1); | |
804 | } else { /* normal banner */ | |
805 | (void) write(ofd, "\n\n\n", 3); | |
806 | scan_out(ofd, name1, '\0'); | |
807 | (void) write(ofd, "\n\n", 2); | |
808 | scan_out(ofd, name2, '\0'); | |
809 | if (class[0]) { | |
810 | (void) write(ofd,"\n\n\n",3); | |
811 | scan_out(ofd, class, '\0'); | |
812 | } | |
813 | (void) write(ofd, "\n\n\n\n\t\t\t\t\tJob: ", 15); | |
814 | (void) write(ofd, name2, strlen(name2)); | |
815 | (void) write(ofd, "\n\t\t\t\t\tDate: ", 12); | |
816 | (void) write(ofd, ctime(&tvec), 24); | |
817 | (void) write(ofd, "\n", 1); | |
818 | } | |
819 | if (!SF) | |
820 | (void) write(ofd, FF, strlen(FF)); | |
821 | tof = 1; | |
822 | } | |
823 | ||
47f0387b | 824 | char * |
df7d5679 RC |
825 | scnline(key, p, c) |
826 | register char key, *p; | |
827 | char c; | |
828 | { | |
829 | register scnwidth; | |
830 | ||
831 | for (scnwidth = WIDTH; --scnwidth;) { | |
832 | key <<= 1; | |
833 | *p++ = key & 0200 ? c : BACKGND; | |
834 | } | |
835 | return (p); | |
836 | } | |
837 | ||
838 | #define TRC(q) (((q)-' ')&0177) | |
839 | ||
840 | scan_out(scfd, scsp, dlm) | |
841 | int scfd; | |
842 | char *scsp, dlm; | |
843 | { | |
844 | register char *strp; | |
845 | register nchrs, j; | |
846 | char outbuf[LINELEN+1], *sp, c, cc; | |
847 | int d, scnhgt; | |
848 | extern char scnkey[][HEIGHT]; /* in lpdchar.c */ | |
849 | ||
850 | for (scnhgt = 0; scnhgt++ < HEIGHT+DROP; ) { | |
851 | strp = &outbuf[0]; | |
852 | sp = scsp; | |
853 | for (nchrs = 0; ; ) { | |
854 | d = dropit(c = TRC(cc = *sp++)); | |
855 | if ((!d && scnhgt > HEIGHT) || (scnhgt <= DROP && d)) | |
856 | for (j = WIDTH; --j;) | |
857 | *strp++ = BACKGND; | |
858 | else | |
859 | strp = scnline(scnkey[c][scnhgt-1-d], strp, cc); | |
860 | if (*sp == dlm || *sp == '\0' || nchrs++ >= PW/(WIDTH+1)-1) | |
861 | break; | |
862 | *strp++ = BACKGND; | |
863 | *strp++ = BACKGND; | |
864 | } | |
865 | while (*--strp == BACKGND && strp >= outbuf) | |
866 | ; | |
867 | strp++; | |
868 | *strp++ = '\n'; | |
869 | (void) write(scfd, outbuf, strp-outbuf); | |
870 | } | |
871 | } | |
872 | ||
873 | dropit(c) | |
874 | char c; | |
875 | { | |
876 | switch(c) { | |
877 | ||
878 | case TRC('_'): | |
879 | case TRC(';'): | |
880 | case TRC(','): | |
881 | case TRC('g'): | |
882 | case TRC('j'): | |
883 | case TRC('p'): | |
884 | case TRC('q'): | |
885 | case TRC('y'): | |
886 | return (DROP); | |
887 | ||
888 | default: | |
889 | return (0); | |
890 | } | |
891 | } | |
892 | ||
893 | /* | |
894 | * sendmail --- | |
895 | * tell people about job completion | |
896 | */ | |
fbd83c9f RC |
897 | sendmail(user, bombed) |
898 | char *user; | |
df7d5679 RC |
899 | int bombed; |
900 | { | |
df7d5679 | 901 | register int i; |
fbd83c9f | 902 | int p[2], s; |
df7d5679 RC |
903 | register char *cp; |
904 | char buf[100]; | |
fbd83c9f RC |
905 | struct stat stb; |
906 | FILE *fp; | |
df7d5679 RC |
907 | |
908 | pipe(p); | |
fbd83c9f | 909 | if ((s = dofork(DORETURN)) == 0) { /* child */ |
df7d5679 RC |
910 | dup2(p[0], 0); |
911 | for (i = 3; i < NOFILE; i++) | |
912 | (void) close(i); | |
913 | if ((cp = rindex(MAIL, '/')) != NULL) | |
914 | cp++; | |
915 | else | |
916 | cp = MAIL; | |
fbd83c9f | 917 | sprintf(buf, "%s@%s", user, fromhost); |
df7d5679 RC |
918 | execl(MAIL, cp, buf, 0); |
919 | exit(0); | |
fbd83c9f | 920 | } else if (s > 0) { /* parent */ |
df7d5679 | 921 | dup2(p[1], 1); |
fbd83c9f | 922 | printf("To: %s@%s\n", user, fromhost); |
df7d5679 RC |
923 | printf("Subject: printer job\n\n"); |
924 | printf("Your printer job "); | |
925 | if (*jobname) | |
926 | printf("(%s) ", jobname); | |
88f026f7 | 927 | switch (bombed) { |
98d189de | 928 | case OK: |
88f026f7 RC |
929 | printf("\ncompleted successfully\n"); |
930 | break; | |
931 | default: | |
98d189de | 932 | case FATALERR: |
88f026f7 RC |
933 | printf("\ncould not be printed\n"); |
934 | break; | |
98d189de | 935 | case NOACCT: |
88f026f7 RC |
936 | printf("\ncould not be printed without an account on %s\n", host); |
937 | break; | |
98d189de | 938 | case FILTERERR: |
fbd83c9f RC |
939 | if (stat(tmpfile, &stb) < 0 || stb.st_size == 0 || |
940 | (fp = fopen(tmpfile, "r")) == NULL) { | |
941 | printf("\nwas printed but had some errors\n"); | |
942 | break; | |
943 | } | |
944 | printf("\nwas printed but had the following errors:\n"); | |
945 | while ((i = getc(fp)) != EOF) | |
946 | putchar(i); | |
947 | (void) fclose(fp); | |
98d189de RC |
948 | break; |
949 | case ACCESS: | |
950 | printf("\nwas not printed because it was not linked to the original file\n"); | |
88f026f7 | 951 | } |
df7d5679 RC |
952 | fflush(stdout); |
953 | (void) close(1); | |
954 | } | |
955 | (void) close(p[0]); | |
956 | (void) close(p[1]); | |
fbd83c9f | 957 | wait(&s); |
df7d5679 RC |
958 | } |
959 | ||
960 | /* | |
961 | * dofork - fork with retries on failure | |
962 | */ | |
963 | dofork(action) | |
964 | int action; | |
965 | { | |
966 | register int i, pid; | |
967 | ||
968 | for (i = 0; i < 20; i++) { | |
88f026f7 | 969 | if ((pid = fork()) < 0) { |
df7d5679 | 970 | sleep((unsigned)(i*i)); |
88f026f7 RC |
971 | continue; |
972 | } | |
973 | /* | |
974 | * Child should run as daemon instead of root | |
975 | */ | |
976 | if (pid == 0) | |
977 | setuid(DU); | |
978 | return(pid); | |
df7d5679 | 979 | } |
47f0387b | 980 | syslog(LOG_ERR, "can't fork"); |
df7d5679 RC |
981 | |
982 | switch (action) { | |
983 | case DORETURN: | |
984 | return (-1); | |
985 | default: | |
47f0387b | 986 | syslog(LOG_ERR, "bad action (%d) to dofork", action); |
df7d5679 RC |
987 | /*FALL THRU*/ |
988 | case DOABORT: | |
989 | exit(1); | |
990 | } | |
991 | /*NOTREACHED*/ | |
992 | } | |
993 | ||
994 | /* | |
47f0387b | 995 | * Kill child processes to abort current job. |
df7d5679 | 996 | */ |
47f0387b | 997 | abortpr() |
df7d5679 | 998 | { |
fbd83c9f | 999 | (void) unlink(tmpfile); |
df7d5679 RC |
1000 | kill(0, SIGINT); |
1001 | if (ofilter > 0) | |
1002 | kill(ofilter, SIGCONT); | |
1003 | while (wait(0) > 0) | |
1004 | ; | |
1005 | exit(0); | |
1006 | } | |
1007 | ||
1008 | init() | |
1009 | { | |
1010 | int status; | |
1011 | ||
9e8db329 TF |
1012 | if ((status = pgetent(line, printer)) < 0) { |
1013 | syslog(LOG_ERR, "can't open printer description file"); | |
1014 | exit(1); | |
1015 | } else if (status == 0) { | |
1016 | syslog(LOG_ERR, "unknown printer: %s", printer); | |
1017 | exit(1); | |
1018 | } | |
df7d5679 RC |
1019 | if ((LP = pgetstr("lp", &bp)) == NULL) |
1020 | LP = DEFDEVLP; | |
1021 | if ((RP = pgetstr("rp", &bp)) == NULL) | |
88f026f7 | 1022 | RP = DEFLP; |
df7d5679 RC |
1023 | if ((LO = pgetstr("lo", &bp)) == NULL) |
1024 | LO = DEFLOCK; | |
1025 | if ((ST = pgetstr("st", &bp)) == NULL) | |
1026 | ST = DEFSTAT; | |
1027 | if ((LF = pgetstr("lf", &bp)) == NULL) | |
1028 | LF = DEFLOGF; | |
1029 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
1030 | SD = DEFSPOOL; | |
1031 | if ((DU = pgetnum("du")) < 0) | |
1032 | DU = DEFUID; | |
1033 | if ((FF = pgetstr("ff", &bp)) == NULL) | |
1034 | FF = DEFFF; | |
1035 | if ((PW = pgetnum("pw")) < 0) | |
1036 | PW = DEFWIDTH; | |
1037 | sprintf(&width[2], "%d", PW); | |
1038 | if ((PL = pgetnum("pl")) < 0) | |
1039 | PL = DEFLENGTH; | |
1040 | sprintf(&length[2], "%d", PL); | |
88f026f7 RC |
1041 | if ((PX = pgetnum("px")) < 0) |
1042 | PX = 0; | |
1043 | sprintf(&pxwidth[2], "%d", PX); | |
1044 | if ((PY = pgetnum("py")) < 0) | |
1045 | PY = 0; | |
1046 | sprintf(&pxlength[2], "%d", PY); | |
df7d5679 | 1047 | RM = pgetstr("rm", &bp); |
9e8db329 TF |
1048 | /* |
1049 | * Figure out whether the local machine is the same as the remote | |
1050 | * machine entry (if it exists). If not, then ignore the local | |
1051 | * queue information. | |
1052 | */ | |
1053 | if (RM != (char *) NULL) { | |
1054 | char name[256]; | |
1055 | struct hostent *hp; | |
1056 | ||
1057 | /* get the standard network name of the local host */ | |
1058 | gethostname(name, sizeof(name)); | |
1059 | name[sizeof(name)-1] = '\0'; | |
1060 | hp = gethostbyname(name); | |
1061 | if (hp == (struct hostent *) NULL) { | |
1062 | syslog(LOG_ERR, | |
1063 | "unable to get network name for local machine %s", | |
1064 | name); | |
1065 | goto localcheck_done; | |
1066 | } else strcpy(name, hp->h_name); | |
1067 | ||
1068 | /* get the standard network name of RM */ | |
1069 | hp = gethostbyname(RM); | |
1070 | if (hp == (struct hostent *) NULL) { | |
1071 | syslog(LOG_ERR, | |
1072 | "unable to get hostname for remote machine %s", RM); | |
1073 | goto localcheck_done; | |
1074 | } | |
1075 | ||
1076 | /* if printer is not on local machine, ignore LP */ | |
1077 | if (strcmp(name, hp->h_name) != 0) *LP = '\0'; | |
1078 | } | |
1079 | localcheck_done: | |
1080 | ||
df7d5679 RC |
1081 | AF = pgetstr("af", &bp); |
1082 | OF = pgetstr("of", &bp); | |
1083 | IF = pgetstr("if", &bp); | |
88f026f7 | 1084 | RF = pgetstr("rf", &bp); |
df7d5679 | 1085 | TF = pgetstr("tf", &bp); |
a4f59913 | 1086 | NF = pgetstr("nf", &bp); |
df7d5679 RC |
1087 | DF = pgetstr("df", &bp); |
1088 | GF = pgetstr("gf", &bp); | |
1089 | VF = pgetstr("vf", &bp); | |
1090 | CF = pgetstr("cf", &bp); | |
1091 | TR = pgetstr("tr", &bp); | |
88f026f7 | 1092 | RS = pgetflag("rs"); |
df7d5679 RC |
1093 | SF = pgetflag("sf"); |
1094 | SH = pgetflag("sh"); | |
1095 | SB = pgetflag("sb"); | |
1e7998ee | 1096 | HL = pgetflag("hl"); |
df7d5679 RC |
1097 | RW = pgetflag("rw"); |
1098 | BR = pgetnum("br"); | |
1099 | if ((FC = pgetnum("fc")) < 0) | |
1100 | FC = 0; | |
1101 | if ((FS = pgetnum("fs")) < 0) | |
1102 | FS = 0; | |
1103 | if ((XC = pgetnum("xc")) < 0) | |
1104 | XC = 0; | |
1105 | if ((XS = pgetnum("xs")) < 0) | |
1106 | XS = 0; | |
6bd17dac | 1107 | tof = !pgetflag("fo"); |
df7d5679 RC |
1108 | } |
1109 | ||
88f026f7 RC |
1110 | /* |
1111 | * Acquire line printer or remote connection. | |
1112 | */ | |
1113 | openpr() | |
1114 | { | |
1115 | register int i, n; | |
47f0387b | 1116 | int resp; |
88f026f7 RC |
1117 | |
1118 | if (*LP) { | |
1119 | for (i = 1; ; i = i < 32 ? i << 1 : i) { | |
adec4d9e | 1120 | pfd = open(LP, RW ? O_RDWR : O_WRONLY); |
88f026f7 RC |
1121 | if (pfd >= 0) |
1122 | break; | |
1123 | if (errno == ENOENT) { | |
47f0387b | 1124 | syslog(LOG_ERR, "%s: %m", LP); |
88f026f7 RC |
1125 | exit(1); |
1126 | } | |
1127 | if (i == 1) | |
1128 | status("waiting for %s to become ready (offline ?)", printer); | |
1129 | sleep(i); | |
1130 | } | |
1131 | if (isatty(pfd)) | |
1132 | setty(); | |
1133 | status("%s is ready and printing", printer); | |
1134 | } else if (RM != NULL) { | |
47f0387b RC |
1135 | for (i = 1; ; i = i < 256 ? i << 1 : i) { |
1136 | resp = -1; | |
a87bde97 | 1137 | pfd = getport(RM); |
88f026f7 RC |
1138 | if (pfd >= 0) { |
1139 | (void) sprintf(line, "\2%s\n", RP); | |
1140 | n = strlen(line); | |
47f0387b RC |
1141 | if (write(pfd, line, n) == n && |
1142 | (resp = response()) == '\0') | |
88f026f7 | 1143 | break; |
1d57b303 RC |
1144 | (void) close(pfd); |
1145 | } | |
1146 | if (i == 1) { | |
47f0387b | 1147 | if (resp < 0) |
1d57b303 | 1148 | status("waiting for %s to come up", RM); |
47f0387b | 1149 | else { |
1d57b303 | 1150 | status("waiting for queue to be enabled on %s", RM); |
47f0387b RC |
1151 | i = 256; |
1152 | } | |
88f026f7 | 1153 | } |
88f026f7 RC |
1154 | sleep(i); |
1155 | } | |
1156 | status("sending to %s", RM); | |
1157 | remote = 1; | |
1158 | } else { | |
47f0387b RC |
1159 | syslog(LOG_ERR, "%s: no line printer device or host name", |
1160 | printer); | |
88f026f7 RC |
1161 | exit(1); |
1162 | } | |
1163 | /* | |
1164 | * Start up an output filter, if needed. | |
1165 | */ | |
1166 | if (OF) { | |
1167 | int p[2]; | |
1168 | char *cp; | |
1169 | ||
1170 | pipe(p); | |
1171 | if ((ofilter = dofork(DOABORT)) == 0) { /* child */ | |
1172 | dup2(p[0], 0); /* pipe is std in */ | |
1173 | dup2(pfd, 1); /* printer is std out */ | |
1174 | for (i = 3; i < NOFILE; i++) | |
1175 | (void) close(i); | |
1176 | if ((cp = rindex(OF, '/')) == NULL) | |
1177 | cp = OF; | |
1178 | else | |
1179 | cp++; | |
1180 | execl(OF, cp, width, length, 0); | |
47f0387b | 1181 | syslog(LOG_ERR, "%s: %s: %m", printer, OF); |
88f026f7 RC |
1182 | exit(1); |
1183 | } | |
1184 | (void) close(p[0]); /* close input side */ | |
1185 | ofd = p[1]; /* use pipe for output */ | |
1186 | } else { | |
1187 | ofd = pfd; | |
1188 | ofilter = 0; | |
1189 | } | |
1190 | } | |
1191 | ||
df7d5679 RC |
1192 | struct bauds { |
1193 | int baud; | |
1194 | int speed; | |
1195 | } bauds[] = { | |
1196 | 50, B50, | |
1197 | 75, B75, | |
1198 | 110, B110, | |
1199 | 134, B134, | |
1200 | 150, B150, | |
1201 | 200, B200, | |
1202 | 300, B300, | |
1203 | 600, B600, | |
1204 | 1200, B1200, | |
1205 | 1800, B1800, | |
1206 | 2400, B2400, | |
1207 | 4800, B4800, | |
1208 | 9600, B9600, | |
1209 | 19200, EXTA, | |
1210 | 38400, EXTB, | |
1211 | 0, 0 | |
1212 | }; | |
1213 | ||
1214 | /* | |
1215 | * setup tty lines. | |
1216 | */ | |
1217 | setty() | |
1218 | { | |
1219 | struct sgttyb ttybuf; | |
1220 | register struct bauds *bp; | |
1221 | ||
1222 | if (ioctl(pfd, TIOCEXCL, (char *)0) < 0) { | |
47f0387b | 1223 | syslog(LOG_ERR, "%s: ioctl(TIOCEXCL): %m", printer); |
df7d5679 RC |
1224 | exit(1); |
1225 | } | |
1226 | if (ioctl(pfd, TIOCGETP, (char *)&ttybuf) < 0) { | |
47f0387b | 1227 | syslog(LOG_ERR, "%s: ioctl(TIOCGETP): %m", printer); |
df7d5679 RC |
1228 | exit(1); |
1229 | } | |
1230 | if (BR > 0) { | |
1231 | for (bp = bauds; bp->baud; bp++) | |
1232 | if (BR == bp->baud) | |
1233 | break; | |
1234 | if (!bp->baud) { | |
47f0387b | 1235 | syslog(LOG_ERR, "%s: illegal baud rate %d", printer, BR); |
df7d5679 RC |
1236 | exit(1); |
1237 | } | |
1238 | ttybuf.sg_ispeed = ttybuf.sg_ospeed = bp->speed; | |
1239 | } | |
c6d1c018 RC |
1240 | ttybuf.sg_flags &= ~FC; |
1241 | ttybuf.sg_flags |= FS; | |
df7d5679 | 1242 | if (ioctl(pfd, TIOCSETP, (char *)&ttybuf) < 0) { |
47f0387b | 1243 | syslog(LOG_ERR, "%s: ioctl(TIOCSETP): %m", printer); |
df7d5679 RC |
1244 | exit(1); |
1245 | } | |
81965073 RC |
1246 | if (XC || XS) { |
1247 | int ldisc = NTTYDISC; | |
1248 | ||
1249 | if (ioctl(pfd, TIOCSETD, &ldisc) < 0) { | |
1250 | syslog(LOG_ERR, "%s: ioctl(TIOCSETD): %m", printer); | |
1251 | exit(1); | |
1252 | } | |
1253 | } | |
df7d5679 RC |
1254 | if (XC) { |
1255 | if (ioctl(pfd, TIOCLBIC, &XC) < 0) { | |
47f0387b | 1256 | syslog(LOG_ERR, "%s: ioctl(TIOCLBIC): %m", printer); |
df7d5679 RC |
1257 | exit(1); |
1258 | } | |
1259 | } | |
1260 | if (XS) { | |
1261 | if (ioctl(pfd, TIOCLBIS, &XS) < 0) { | |
47f0387b | 1262 | syslog(LOG_ERR, "%s: ioctl(TIOCLBIS): %m", printer); |
df7d5679 RC |
1263 | exit(1); |
1264 | } | |
1265 | } | |
1266 | } | |
88f026f7 RC |
1267 | |
1268 | /*VARARGS1*/ | |
88f026f7 RC |
1269 | status(msg, a1, a2, a3) |
1270 | char *msg; | |
1271 | { | |
1272 | register int fd; | |
1273 | char buf[BUFSIZ]; | |
1274 | ||
1275 | umask(0); | |
adec4d9e | 1276 | fd = open(ST, O_WRONLY|O_CREAT, 0664); |
47f0387b RC |
1277 | if (fd < 0 || flock(fd, LOCK_EX) < 0) { |
1278 | syslog(LOG_ERR, "%s: %s: %m", printer, ST); | |
1279 | exit(1); | |
1280 | } | |
adec4d9e | 1281 | ftruncate(fd, 0); |
88f026f7 RC |
1282 | sprintf(buf, msg, a1, a2, a3); |
1283 | strcat(buf, "\n"); | |
1284 | (void) write(fd, buf, strlen(buf)); | |
1285 | (void) close(fd); | |
1286 | } |