Commit | Line | Data |
---|---|---|
d0aeaf5a | 1 | /* |
f7840ad0 KB |
2 | * Copyright (c) 1983, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
9d85c861 | 4 | * |
c61e0514 | 5 | * |
c13032d6 | 6 | * %sccs.include.redist.c% |
d0aeaf5a DF |
7 | */ |
8 | ||
5f84f8f0 | 9 | #ifndef lint |
f7840ad0 KB |
10 | static char copyright[] = |
11 | "@(#) Copyright (c) 1983, 1993\n\ | |
12 | The Regents of the University of California. All rights reserved.\n"; | |
9d85c861 | 13 | #endif /* not lint */ |
5f84f8f0 | 14 | |
c13032d6 | 15 | #ifndef lint |
f7840ad0 | 16 | static char sccsid[] = "@(#)printjob.c 8.1 (Berkeley) %G%"; |
c13032d6 EA |
17 | #endif /* not lint */ |
18 | ||
19 | ||
df7d5679 RC |
20 | /* |
21 | * printjob -- print jobs in the queue. | |
22 | * | |
23 | * NOTE: the lock file is used to pass information to lpq and lprm. | |
24 | * it does not need to be removed because file locks are dynamic. | |
25 | */ | |
26 | ||
34c0890f KB |
27 | #include <sys/param.h> |
28 | #include <sys/wait.h> | |
29 | #include <sys/stat.h> | |
c61e0514 | 30 | #include <sys/types.h> |
34c0890f | 31 | |
c61e0514 EA |
32 | #include <pwd.h> |
33 | #include <unistd.h> | |
34c0890f KB |
34 | #include <signal.h> |
35 | #include <sgtty.h> | |
36 | #include <syslog.h> | |
37 | #include <fcntl.h> | |
38 | #include <dirent.h> | |
39 | #include <errno.h> | |
40 | #include <stdio.h> | |
41 | #include <string.h> | |
c61e0514 | 42 | #include <stdlib.h> |
df7d5679 | 43 | #include "lp.h" |
34c0890f | 44 | #include "lp.local.h" |
7abf8d65 | 45 | #include "pathnames.h" |
34c0890f | 46 | #include "extern.h" |
df7d5679 | 47 | |
47f0387b RC |
48 | #define DORETURN 0 /* absorb fork error */ |
49 | #define DOABORT 1 /* abort if dofork fails */ | |
50 | ||
98d189de RC |
51 | /* |
52 | * Error tokens | |
53 | */ | |
54 | #define REPRINT -2 | |
55 | #define ERROR -1 | |
56 | #define OK 0 | |
57 | #define FATALERR 1 | |
58 | #define NOACCT 2 | |
59 | #define FILTERERR 3 | |
60 | #define ACCESS 4 | |
61 | ||
c61e0514 EA |
62 | static dev_t fdev; /* device of file pointed to by symlink */ |
63 | static ino_t fino; /* inode of file pointed to by symlink */ | |
64 | static FILE *cfp; /* control file */ | |
65 | static int child; /* id of any filters */ | |
66 | static int lfd; /* lock file descriptor */ | |
67 | static int ofd; /* output filter file descriptor */ | |
68 | static int ofilter; /* id of output filter, if any */ | |
69 | static int pfd; /* prstatic inter file descriptor */ | |
70 | static int pid; /* pid of lpd process */ | |
71 | static int prchild; /* id of pr process */ | |
72 | static int remote; /* true if sending files to remote */ | |
73 | static char title[80]; /* ``pr'' title */ | |
74 | static int tof; /* true if at top of form */ | |
75 | ||
76 | static char class[32]; /* classification field */ | |
77 | static char fromhost[32]; /* user's host machine */ | |
78 | /* indentation size in static characters */ | |
79 | static char indent[10] = "-i0"; | |
80 | static char jobname[100]; /* job or file name */ | |
81 | static char length[10] = "-l"; /* page length in lines */ | |
82 | static char logname[32]; /* user's login name */ | |
83 | static char pxlength[10] = "-y"; /* page length in pixels */ | |
84 | static char pxwidth[10] = "-x"; /* page width in pixels */ | |
85 | static char tempfile[] = "errsXXXXXX"; /* file name for filter output */ | |
86 | static char width[10] = "-w"; /* page width in static characters */ | |
df7d5679 | 87 | |
34c0890f KB |
88 | static void abortpr __P((int)); |
89 | static void banner __P((char *, char *)); | |
90 | static int dofork __P((int)); | |
91 | static int dropit __P((int)); | |
92 | static void init __P((void)); | |
93 | static void openpr __P((void)); | |
94 | static int print __P((int, char *)); | |
95 | static int printit __P((char *)); | |
96 | static void pstatus __P((const char *, ...)); | |
97 | static char response __P((void)); | |
98 | static void scan_out __P((int, char *, int)); | |
99 | static char *scnline __P((int, char *, int)); | |
100 | static int sendfile __P((int, char *)); | |
101 | static int sendit __P((char *)); | |
102 | static void sendmail __P((char *, int)); | |
103 | static void setty __P((void)); | |
104 | ||
105 | void | |
df7d5679 RC |
106 | printjob() |
107 | { | |
108 | struct stat stb; | |
109 | register struct queue *q, **qp; | |
110 | struct queue **queue; | |
111 | register int i, nitems; | |
112 | long pidoff; | |
47f0387b | 113 | int count = 0; |
df7d5679 | 114 | |
df7d5679 | 115 | init(); /* set up capabilities */ |
8fed920b | 116 | (void) write(1, "", 1); /* ack that daemon is started */ |
126fc76f EA |
117 | (void) close(2); /* set up log file */ |
118 | if (open(LF, O_WRONLY|O_APPEND, 0664) < 0) { | |
119 | syslog(LOG_ERR, "%s: %m", LF); | |
7abf8d65 | 120 | (void) open(_PATH_DEVNULL, O_WRONLY); |
126fc76f | 121 | } |
47f0387b | 122 | setgid(getegid()); |
88f026f7 | 123 | pid = getpid(); /* for use with lprm */ |
df7d5679 | 124 | setpgrp(0, pid); |
47f0387b RC |
125 | signal(SIGHUP, abortpr); |
126 | signal(SIGINT, abortpr); | |
127 | signal(SIGQUIT, abortpr); | |
128 | signal(SIGTERM, abortpr); | |
df7d5679 | 129 | |
c876f6ee | 130 | (void) mktemp(tempfile); |
fbd83c9f | 131 | |
df7d5679 RC |
132 | /* |
133 | * uses short form file names | |
134 | */ | |
135 | if (chdir(SD) < 0) { | |
47f0387b | 136 | syslog(LOG_ERR, "%s: %m", SD); |
df7d5679 RC |
137 | exit(1); |
138 | } | |
88f026f7 RC |
139 | if (stat(LO, &stb) == 0 && (stb.st_mode & 0100)) |
140 | exit(0); /* printing disabled */ | |
845f1693 | 141 | lfd = open(LO, O_WRONLY|O_CREAT, 0644); |
c6d1c018 | 142 | if (lfd < 0) { |
47f0387b | 143 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
c6d1c018 RC |
144 | exit(1); |
145 | } | |
146 | if (flock(lfd, LOCK_EX|LOCK_NB) < 0) { | |
df7d5679 RC |
147 | if (errno == EWOULDBLOCK) /* active deamon present */ |
148 | exit(0); | |
47f0387b | 149 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
150 | exit(1); |
151 | } | |
adec4d9e | 152 | ftruncate(lfd, 0); |
df7d5679 RC |
153 | /* |
154 | * write process id for others to know | |
155 | */ | |
156 | sprintf(line, "%u\n", pid); | |
157 | pidoff = i = strlen(line); | |
88f026f7 | 158 | if (write(lfd, line, i) != i) { |
47f0387b | 159 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
160 | exit(1); |
161 | } | |
df7d5679 RC |
162 | /* |
163 | * search the spool directory for work and sort by queue order. | |
164 | */ | |
df7d5679 | 165 | if ((nitems = getq(&queue)) < 0) { |
47f0387b | 166 | syslog(LOG_ERR, "%s: can't scan %s", printer, SD); |
df7d5679 RC |
167 | exit(1); |
168 | } | |
88f026f7 | 169 | if (nitems == 0) /* no work to do */ |
df7d5679 | 170 | exit(0); |
c6d1c018 RC |
171 | if (stb.st_mode & 01) { /* reset queue flag */ |
172 | if (fchmod(lfd, stb.st_mode & 0776) < 0) | |
47f0387b | 173 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
c6d1c018 | 174 | } |
88f026f7 RC |
175 | openpr(); /* open printer or remote */ |
176 | again: | |
df7d5679 RC |
177 | /* |
178 | * we found something to do now do it -- | |
179 | * write the name of the current control file into the lock file | |
180 | * so the spool queue program can tell what we're working on | |
181 | */ | |
182 | for (qp = queue; nitems--; free((char *) q)) { | |
183 | q = *qp++; | |
184 | if (stat(q->q_name, &stb) < 0) | |
185 | continue; | |
88f026f7 | 186 | restart: |
34c0890f | 187 | (void) lseek(lfd, (off_t)pidoff, 0); |
df7d5679 RC |
188 | (void) sprintf(line, "%s\n", q->q_name); |
189 | i = strlen(line); | |
190 | if (write(lfd, line, i) != i) | |
47f0387b | 191 | syslog(LOG_ERR, "%s: %s: %m", printer, LO); |
df7d5679 RC |
192 | if (!remote) |
193 | i = printit(q->q_name); | |
194 | else | |
195 | i = sendit(q->q_name); | |
88f026f7 | 196 | /* |
c6d1c018 RC |
197 | * Check to see if we are supposed to stop printing or |
198 | * if we are to rebuild the queue. | |
88f026f7 | 199 | */ |
c6d1c018 | 200 | if (fstat(lfd, &stb) == 0) { |
47f0387b | 201 | /* stop printing before starting next job? */ |
c6d1c018 RC |
202 | if (stb.st_mode & 0100) |
203 | goto done; | |
47f0387b | 204 | /* rebuild queue (after lpc topq) */ |
c6d1c018 RC |
205 | if (stb.st_mode & 01) { |
206 | for (free((char *) q); nitems--; free((char *) q)) | |
207 | q = *qp++; | |
208 | if (fchmod(lfd, stb.st_mode & 0776) < 0) | |
47f0387b RC |
209 | syslog(LOG_WARNING, "%s: %s: %m", |
210 | printer, LO); | |
c6d1c018 RC |
211 | break; |
212 | } | |
213 | } | |
98d189de | 214 | if (i == OK) /* file ok and printed */ |
845f1693 | 215 | count++; |
98d189de | 216 | else if (i == REPRINT) { /* try reprinting the job */ |
47f0387b | 217 | syslog(LOG_INFO, "restarting %s", printer); |
df7d5679 RC |
218 | if (ofilter > 0) { |
219 | kill(ofilter, SIGCONT); /* to be sure */ | |
220 | (void) close(ofd); | |
221 | while ((i = wait(0)) > 0 && i != ofilter) | |
222 | ; | |
223 | ofilter = 0; | |
224 | } | |
88f026f7 | 225 | (void) close(pfd); /* close printer */ |
fbd83c9f | 226 | if (ftruncate(lfd, pidoff) < 0) |
47f0387b | 227 | syslog(LOG_WARNING, "%s: %s: %m", printer, LO); |
88f026f7 | 228 | openpr(); /* try to reopen printer */ |
df7d5679 RC |
229 | goto restart; |
230 | } | |
231 | } | |
232 | free((char *) queue); | |
88f026f7 RC |
233 | /* |
234 | * search the spool directory for more work. | |
235 | */ | |
236 | if ((nitems = getq(&queue)) < 0) { | |
47f0387b | 237 | syslog(LOG_ERR, "%s: can't scan %s", printer, SD); |
88f026f7 RC |
238 | exit(1); |
239 | } | |
240 | if (nitems == 0) { /* no more work to do */ | |
241 | done: | |
845f1693 RC |
242 | if (count > 0) { /* Files actually printed */ |
243 | if (!SF && !tof) | |
244 | (void) write(ofd, FF, strlen(FF)); | |
245 | if (TR != NULL) /* output trailer */ | |
246 | (void) write(ofd, TR, strlen(TR)); | |
247 | } | |
c876f6ee | 248 | (void) unlink(tempfile); |
88f026f7 RC |
249 | exit(0); |
250 | } | |
df7d5679 RC |
251 | goto again; |
252 | } | |
253 | ||
254 | char fonts[4][50]; /* fonts for troff */ | |
255 | ||
7abf8d65 KB |
256 | char ifonts[4][40] = { |
257 | _PATH_VFONTR, | |
258 | _PATH_VFONTI, | |
259 | _PATH_VFONTB, | |
260 | _PATH_VFONTS, | |
df7d5679 RC |
261 | }; |
262 | ||
263 | /* | |
264 | * The remaining part is the reading of the control file (cf) | |
265 | * and performing the various actions. | |
df7d5679 | 266 | */ |
34c0890f | 267 | static int |
df7d5679 RC |
268 | printit(file) |
269 | char *file; | |
270 | { | |
271 | register int i; | |
98d189de RC |
272 | char *cp; |
273 | int bombed = OK; | |
df7d5679 RC |
274 | |
275 | /* | |
98d189de | 276 | * open control file; ignore if no longer there. |
df7d5679 RC |
277 | */ |
278 | if ((cfp = fopen(file, "r")) == NULL) { | |
47f0387b | 279 | syslog(LOG_INFO, "%s: %s: %m", printer, file); |
98d189de | 280 | return(OK); |
df7d5679 RC |
281 | } |
282 | /* | |
283 | * Reset troff fonts. | |
284 | */ | |
285 | for (i = 0; i < 4; i++) | |
286 | strcpy(fonts[i], ifonts[i]); | |
155b93d2 | 287 | strcpy(width+2, "0"); |
d2d55096 | 288 | strcpy(indent+2, "0"); |
df7d5679 RC |
289 | |
290 | /* | |
291 | * read the control file for work to do | |
292 | * | |
293 | * file format -- first character in the line is a command | |
294 | * rest of the line is the argument. | |
295 | * valid commands are: | |
296 | * | |
98d189de | 297 | * S -- "stat info" for symbolic link protection |
df7d5679 RC |
298 | * J -- "job name" on banner page |
299 | * C -- "class name" on banner page | |
300 | * L -- "literal" user's name to print on banner | |
301 | * T -- "title" for pr | |
302 | * H -- "host name" of machine where lpr was done | |
303 | * P -- "person" user's login name | |
6bd17dac | 304 | * I -- "indent" amount to indent output |
df7d5679 RC |
305 | * f -- "file name" name of text file to print |
306 | * l -- "file name" text file with control chars | |
307 | * p -- "file name" text file to print with pr(1) | |
308 | * t -- "file name" troff(1) file to print | |
a4f59913 | 309 | * n -- "file name" ditroff(1) file to print |
df7d5679 RC |
310 | * d -- "file name" dvi file to print |
311 | * g -- "file name" plot(1G) file to print | |
312 | * v -- "file name" plain raster file to print | |
313 | * c -- "file name" cifplot file to print | |
314 | * 1 -- "R font file" for troff | |
315 | * 2 -- "I font file" for troff | |
316 | * 3 -- "B font file" for troff | |
317 | * 4 -- "S font file" for troff | |
318 | * N -- "name" of file (used by lpq) | |
319 | * U -- "unlink" name of file to remove | |
320 | * (after we print it. (Pass 2 only)). | |
321 | * M -- "mail" to user when done printing | |
322 | * | |
323 | * getline reads a line and expands tabs to blanks | |
324 | */ | |
325 | ||
326 | /* pass 1 */ | |
327 | ||
328 | while (getline(cfp)) | |
329 | switch (line[0]) { | |
330 | case 'H': | |
845f1693 | 331 | strcpy(fromhost, line+1); |
df7d5679 | 332 | if (class[0] == '\0') |
731697c1 | 333 | strncpy(class, line+1, sizeof(class)-1); |
df7d5679 RC |
334 | continue; |
335 | ||
336 | case 'P': | |
731697c1 | 337 | strncpy(logname, line+1, sizeof(logname)-1); |
88f026f7 | 338 | if (RS) { /* restricted */ |
34c0890f | 339 | if (getpwnam(logname) == NULL) { |
98d189de | 340 | bombed = NOACCT; |
fbd83c9f | 341 | sendmail(line+1, bombed); |
88f026f7 RC |
342 | goto pass2; |
343 | } | |
344 | } | |
df7d5679 RC |
345 | continue; |
346 | ||
98d189de RC |
347 | case 'S': |
348 | cp = line+1; | |
349 | i = 0; | |
350 | while (*cp >= '0' && *cp <= '9') | |
351 | i = i * 10 + (*cp++ - '0'); | |
352 | fdev = i; | |
353 | cp++; | |
354 | i = 0; | |
355 | while (*cp >= '0' && *cp <= '9') | |
356 | i = i * 10 + (*cp++ - '0'); | |
357 | fino = i; | |
358 | continue; | |
359 | ||
df7d5679 RC |
360 | case 'J': |
361 | if (line[1] != '\0') | |
731697c1 | 362 | strncpy(jobname, line+1, sizeof(jobname)-1); |
df7d5679 RC |
363 | else |
364 | strcpy(jobname, " "); | |
365 | continue; | |
366 | ||
367 | case 'C': | |
368 | if (line[1] != '\0') | |
731697c1 | 369 | strncpy(class, line+1, sizeof(class)-1); |
df7d5679 | 370 | else if (class[0] == '\0') |
fbd83c9f | 371 | gethostname(class, sizeof(class)); |
df7d5679 RC |
372 | continue; |
373 | ||
374 | case 'T': /* header title for pr */ | |
731697c1 | 375 | strncpy(title, line+1, sizeof(title)-1); |
df7d5679 RC |
376 | continue; |
377 | ||
378 | case 'L': /* identification line */ | |
1e7998ee | 379 | if (!SH && !HL) |
df7d5679 RC |
380 | banner(line+1, jobname); |
381 | continue; | |
382 | ||
383 | case '1': /* troff fonts */ | |
384 | case '2': | |
385 | case '3': | |
386 | case '4': | |
387 | if (line[1] != '\0') | |
388 | strcpy(fonts[line[0]-'1'], line+1); | |
389 | continue; | |
390 | ||
391 | case 'W': /* page width */ | |
731697c1 | 392 | strncpy(width+2, line+1, sizeof(width)-3); |
df7d5679 RC |
393 | continue; |
394 | ||
6bd17dac | 395 | case 'I': /* indent amount */ |
731697c1 | 396 | strncpy(indent+2, line+1, sizeof(indent)-3); |
6bd17dac RC |
397 | continue; |
398 | ||
df7d5679 | 399 | default: /* some file to print */ |
fbd83c9f | 400 | switch (i = print(line[0], line+1)) { |
98d189de RC |
401 | case ERROR: |
402 | if (bombed == OK) | |
403 | bombed = FATALERR; | |
fbd83c9f | 404 | break; |
98d189de | 405 | case REPRINT: |
df7d5679 | 406 | (void) fclose(cfp); |
98d189de RC |
407 | return(REPRINT); |
408 | case FILTERERR: | |
409 | case ACCESS: | |
410 | bombed = i; | |
fbd83c9f RC |
411 | sendmail(logname, bombed); |
412 | } | |
df7d5679 RC |
413 | title[0] = '\0'; |
414 | continue; | |
415 | ||
df7d5679 RC |
416 | case 'N': |
417 | case 'U': | |
418 | case 'M': | |
419 | continue; | |
420 | } | |
421 | ||
422 | /* pass 2 */ | |
423 | ||
88f026f7 | 424 | pass2: |
df7d5679 RC |
425 | fseek(cfp, 0L, 0); |
426 | while (getline(cfp)) | |
427 | switch (line[0]) { | |
1e7998ee RC |
428 | case 'L': /* identification line */ |
429 | if (!SH && HL) | |
430 | banner(line+1, jobname); | |
431 | continue; | |
432 | ||
df7d5679 | 433 | case 'M': |
98d189de | 434 | if (bombed < NOACCT) /* already sent if >= NOACCT */ |
fbd83c9f | 435 | sendmail(line+1, bombed); |
df7d5679 RC |
436 | continue; |
437 | ||
438 | case 'U': | |
439 | (void) unlink(line+1); | |
440 | } | |
441 | /* | |
fbd83c9f | 442 | * clean-up in case another control file exists |
df7d5679 RC |
443 | */ |
444 | (void) fclose(cfp); | |
445 | (void) unlink(file); | |
98d189de | 446 | return(bombed == OK ? OK : ERROR); |
df7d5679 RC |
447 | } |
448 | ||
449 | /* | |
450 | * Print a file. | |
a4f59913 | 451 | * Set up the chain [ PR [ | {IF, OF} ] ] or {IF, RF, TF, NF, DF, CF, VF}. |
fbd83c9f RC |
452 | * Return -1 if a non-recoverable error occured, |
453 | * 2 if the filter detected some errors (but printed the job anyway), | |
454 | * 1 if we should try to reprint this job and | |
df7d5679 RC |
455 | * 0 if all is well. |
456 | * Note: all filters take stdin as the file, stdout as the printer, | |
457 | * stderr as the log file, and must not ignore SIGINT. | |
458 | */ | |
34c0890f | 459 | static int |
df7d5679 RC |
460 | print(format, file) |
461 | int format; | |
462 | char *file; | |
463 | { | |
fbd83c9f | 464 | register int n; |
df7d5679 | 465 | register char *prog; |
fbd83c9f | 466 | int fi, fo; |
c876f6ee | 467 | FILE *fp; |
df7d5679 RC |
468 | char *av[15], buf[BUFSIZ]; |
469 | int pid, p[2], stopped = 0; | |
470 | union wait status; | |
98d189de | 471 | struct stat stb; |
df7d5679 | 472 | |
98d189de RC |
473 | if (lstat(file, &stb) < 0 || (fi = open(file, O_RDONLY)) < 0) |
474 | return(ERROR); | |
475 | /* | |
476 | * Check to see if data file is a symbolic link. If so, it should | |
477 | * still point to the same file or someone is trying to print | |
478 | * something he shouldn't. | |
479 | */ | |
480 | if ((stb.st_mode & S_IFMT) == S_IFLNK && fstat(fi, &stb) == 0 && | |
481 | (stb.st_dev != fdev || stb.st_ino != fino)) | |
482 | return(ACCESS); | |
df7d5679 RC |
483 | if (!SF && !tof) { /* start on a fresh page */ |
484 | (void) write(ofd, FF, strlen(FF)); | |
485 | tof = 1; | |
486 | } | |
487 | if (IF == NULL && (format == 'f' || format == 'l')) { | |
488 | tof = 0; | |
489 | while ((n = read(fi, buf, BUFSIZ)) > 0) | |
490 | if (write(ofd, buf, n) != n) { | |
491 | (void) close(fi); | |
98d189de | 492 | return(REPRINT); |
df7d5679 RC |
493 | } |
494 | (void) close(fi); | |
98d189de | 495 | return(OK); |
df7d5679 RC |
496 | } |
497 | switch (format) { | |
498 | case 'p': /* print file using 'pr' */ | |
499 | if (IF == NULL) { /* use output filter */ | |
7abf8d65 | 500 | prog = _PATH_PR; |
df7d5679 RC |
501 | av[0] = "pr"; |
502 | av[1] = width; | |
503 | av[2] = length; | |
504 | av[3] = "-h"; | |
505 | av[4] = *title ? title : " "; | |
506 | av[5] = 0; | |
507 | fo = ofd; | |
508 | goto start; | |
509 | } | |
510 | pipe(p); | |
511 | if ((prchild = dofork(DORETURN)) == 0) { /* child */ | |
512 | dup2(fi, 0); /* file is stdin */ | |
513 | dup2(p[1], 1); /* pipe is stdout */ | |
514 | for (n = 3; n < NOFILE; n++) | |
515 | (void) close(n); | |
7abf8d65 KB |
516 | execl(_PATH_PR, "pr", width, length, |
517 | "-h", *title ? title : " ", 0); | |
518 | syslog(LOG_ERR, "cannot execl %s", _PATH_PR); | |
df7d5679 RC |
519 | exit(2); |
520 | } | |
521 | (void) close(p[1]); /* close output side */ | |
522 | (void) close(fi); | |
523 | if (prchild < 0) { | |
524 | prchild = 0; | |
525 | (void) close(p[0]); | |
98d189de | 526 | return(ERROR); |
df7d5679 RC |
527 | } |
528 | fi = p[0]; /* use pipe for input */ | |
529 | case 'f': /* print plain text file */ | |
530 | prog = IF; | |
531 | av[1] = width; | |
532 | av[2] = length; | |
6bd17dac RC |
533 | av[3] = indent; |
534 | n = 4; | |
df7d5679 RC |
535 | break; |
536 | case 'l': /* like 'f' but pass control characters */ | |
537 | prog = IF; | |
62a109c4 | 538 | av[1] = "-c"; |
df7d5679 RC |
539 | av[2] = width; |
540 | av[3] = length; | |
6bd17dac RC |
541 | av[4] = indent; |
542 | n = 5; | |
df7d5679 | 543 | break; |
88f026f7 RC |
544 | case 'r': /* print a fortran text file */ |
545 | prog = RF; | |
546 | av[1] = width; | |
547 | av[2] = length; | |
548 | n = 3; | |
549 | break; | |
df7d5679 | 550 | case 't': /* print troff output */ |
a4f59913 | 551 | case 'n': /* print ditroff output */ |
88f026f7 | 552 | case 'd': /* print tex output */ |
df7d5679 | 553 | (void) unlink(".railmag"); |
88f026f7 | 554 | if ((fo = creat(".railmag", FILMOD)) < 0) { |
47f0387b | 555 | syslog(LOG_ERR, "%s: cannot create .railmag", printer); |
df7d5679 RC |
556 | (void) unlink(".railmag"); |
557 | } else { | |
558 | for (n = 0; n < 4; n++) { | |
559 | if (fonts[n][0] != '/') | |
16096025 KB |
560 | (void) write(fo, _PATH_VFONT, |
561 | sizeof(_PATH_VFONT) - 1); | |
df7d5679 RC |
562 | (void) write(fo, fonts[n], strlen(fonts[n])); |
563 | (void) write(fo, "\n", 1); | |
564 | } | |
565 | (void) close(fo); | |
566 | } | |
a4f59913 | 567 | prog = (format == 't') ? TF : (format == 'n') ? NF : DF; |
88f026f7 RC |
568 | av[1] = pxwidth; |
569 | av[2] = pxlength; | |
570 | n = 3; | |
df7d5679 RC |
571 | break; |
572 | case 'c': /* print cifplot output */ | |
573 | prog = CF; | |
88f026f7 RC |
574 | av[1] = pxwidth; |
575 | av[2] = pxlength; | |
576 | n = 3; | |
df7d5679 RC |
577 | break; |
578 | case 'g': /* print plot(1G) output */ | |
579 | prog = GF; | |
88f026f7 RC |
580 | av[1] = pxwidth; |
581 | av[2] = pxlength; | |
582 | n = 3; | |
df7d5679 RC |
583 | break; |
584 | case 'v': /* print raster output */ | |
585 | prog = VF; | |
88f026f7 RC |
586 | av[1] = pxwidth; |
587 | av[2] = pxlength; | |
588 | n = 3; | |
df7d5679 RC |
589 | break; |
590 | default: | |
591 | (void) close(fi); | |
47f0387b RC |
592 | syslog(LOG_ERR, "%s: illegal format character '%c'", |
593 | printer, format); | |
98d189de | 594 | return(ERROR); |
df7d5679 RC |
595 | } |
596 | if ((av[0] = rindex(prog, '/')) != NULL) | |
597 | av[0]++; | |
598 | else | |
599 | av[0] = prog; | |
600 | av[n++] = "-n"; | |
601 | av[n++] = logname; | |
602 | av[n++] = "-h"; | |
845f1693 | 603 | av[n++] = fromhost; |
df7d5679 RC |
604 | av[n++] = AF; |
605 | av[n] = 0; | |
606 | fo = pfd; | |
607 | if (ofilter > 0) { /* stop output filter */ | |
608 | write(ofd, "\031\1", 2); | |
b681f416 KB |
609 | while ((pid = |
610 | wait3((int *)&status, WUNTRACED, 0)) > 0 && pid != ofilter) | |
df7d5679 RC |
611 | ; |
612 | if (status.w_stopval != WSTOPPED) { | |
613 | (void) close(fi); | |
47f0387b RC |
614 | syslog(LOG_WARNING, "%s: output filter died (%d)", |
615 | printer, status.w_retcode); | |
98d189de | 616 | return(REPRINT); |
df7d5679 RC |
617 | } |
618 | stopped++; | |
619 | } | |
620 | start: | |
621 | if ((child = dofork(DORETURN)) == 0) { /* child */ | |
622 | dup2(fi, 0); | |
623 | dup2(fo, 1); | |
c876f6ee | 624 | n = open(tempfile, O_WRONLY|O_CREAT|O_TRUNC, 0664); |
fbd83c9f RC |
625 | if (n >= 0) |
626 | dup2(n, 2); | |
df7d5679 RC |
627 | for (n = 3; n < NOFILE; n++) |
628 | (void) close(n); | |
629 | execv(prog, av); | |
47f0387b | 630 | syslog(LOG_ERR, "cannot execv %s", prog); |
df7d5679 RC |
631 | exit(2); |
632 | } | |
633 | (void) close(fi); | |
634 | if (child < 0) | |
635 | status.w_retcode = 100; | |
636 | else | |
b681f416 | 637 | while ((pid = wait((int *)&status)) > 0 && pid != child) |
df7d5679 RC |
638 | ; |
639 | child = 0; | |
640 | prchild = 0; | |
641 | if (stopped) { /* restart output filter */ | |
642 | if (kill(ofilter, SIGCONT) < 0) { | |
47f0387b | 643 | syslog(LOG_ERR, "cannot restart output filter"); |
df7d5679 RC |
644 | exit(1); |
645 | } | |
646 | } | |
647 | tof = 0; | |
c876f6ee KM |
648 | |
649 | /* Copy filter output to "lf" logfile */ | |
650 | if (fp = fopen(tempfile, "r")) { | |
c876f6ee KM |
651 | while (fgets(buf, sizeof(buf), fp)) |
652 | fputs(buf, stderr); | |
c61e0514 | 653 | fclose(fp); |
c876f6ee KM |
654 | } |
655 | ||
fbd83c9f | 656 | if (!WIFEXITED(status)) { |
47f0387b RC |
657 | syslog(LOG_WARNING, "%s: Daemon filter '%c' terminated (%d)", |
658 | printer, format, status.w_termsig); | |
98d189de RC |
659 | return(ERROR); |
660 | } | |
661 | switch (status.w_retcode) { | |
662 | case 0: | |
663 | tof = 1; | |
664 | return(OK); | |
665 | case 1: | |
666 | return(REPRINT); | |
667 | default: | |
47f0387b RC |
668 | syslog(LOG_WARNING, "%s: Daemon filter '%c' exited (%d)", |
669 | printer, format, status.w_retcode); | |
98d189de RC |
670 | case 2: |
671 | return(ERROR); | |
672 | } | |
df7d5679 RC |
673 | } |
674 | ||
675 | /* | |
676 | * Send the daemon control file (cf) and any data files. | |
677 | * Return -1 if a non-recoverable error occured, 1 if a recoverable error and | |
678 | * 0 if all is well. | |
679 | */ | |
34c0890f | 680 | static int |
df7d5679 RC |
681 | sendit(file) |
682 | char *file; | |
683 | { | |
98d189de RC |
684 | register int i, err = OK; |
685 | char *cp, last[BUFSIZ]; | |
df7d5679 RC |
686 | |
687 | /* | |
688 | * open control file | |
689 | */ | |
47f0387b | 690 | if ((cfp = fopen(file, "r")) == NULL) |
98d189de | 691 | return(OK); |
df7d5679 RC |
692 | /* |
693 | * read the control file for work to do | |
694 | * | |
695 | * file format -- first character in the line is a command | |
696 | * rest of the line is the argument. | |
697 | * commands of interest are: | |
698 | * | |
699 | * a-z -- "file name" name of file to print | |
700 | * U -- "unlink" name of file to remove | |
701 | * (after we print it. (Pass 2 only)). | |
702 | */ | |
703 | ||
704 | /* | |
705 | * pass 1 | |
706 | */ | |
707 | while (getline(cfp)) { | |
708 | again: | |
98d189de RC |
709 | if (line[0] == 'S') { |
710 | cp = line+1; | |
711 | i = 0; | |
712 | while (*cp >= '0' && *cp <= '9') | |
713 | i = i * 10 + (*cp++ - '0'); | |
714 | fdev = i; | |
715 | cp++; | |
716 | i = 0; | |
717 | while (*cp >= '0' && *cp <= '9') | |
718 | i = i * 10 + (*cp++ - '0'); | |
719 | fino = i; | |
720 | continue; | |
721 | } | |
df7d5679 RC |
722 | if (line[0] >= 'a' && line[0] <= 'z') { |
723 | strcpy(last, line); | |
98d189de | 724 | while (i = getline(cfp)) |
df7d5679 RC |
725 | if (strcmp(last, line)) |
726 | break; | |
98d189de RC |
727 | switch (sendfile('\3', last+1)) { |
728 | case OK: | |
729 | if (i) | |
730 | goto again; | |
df7d5679 | 731 | break; |
98d189de RC |
732 | case REPRINT: |
733 | (void) fclose(cfp); | |
734 | return(REPRINT); | |
735 | case ACCESS: | |
736 | sendmail(logname, ACCESS); | |
737 | case ERROR: | |
738 | err = ERROR; | |
739 | } | |
df7d5679 RC |
740 | break; |
741 | } | |
742 | } | |
98d189de | 743 | if (err == OK && sendfile('\2', file) > 0) { |
df7d5679 | 744 | (void) fclose(cfp); |
98d189de | 745 | return(REPRINT); |
df7d5679 RC |
746 | } |
747 | /* | |
748 | * pass 2 | |
749 | */ | |
750 | fseek(cfp, 0L, 0); | |
751 | while (getline(cfp)) | |
752 | if (line[0] == 'U') | |
753 | (void) unlink(line+1); | |
754 | /* | |
98d189de | 755 | * clean-up in case another control file exists |
df7d5679 RC |
756 | */ |
757 | (void) fclose(cfp); | |
758 | (void) unlink(file); | |
98d189de | 759 | return(err); |
df7d5679 RC |
760 | } |
761 | ||
762 | /* | |
763 | * Send a data file to the remote machine and spool it. | |
764 | * Return positive if we should try resending. | |
765 | */ | |
34c0890f | 766 | static int |
df7d5679 | 767 | sendfile(type, file) |
34c0890f KB |
768 | int type; |
769 | char *file; | |
df7d5679 RC |
770 | { |
771 | register int f, i, amt; | |
772 | struct stat stb; | |
773 | char buf[BUFSIZ]; | |
47f0387b | 774 | int sizerr, resp; |
df7d5679 | 775 | |
98d189de RC |
776 | if (lstat(file, &stb) < 0 || (f = open(file, O_RDONLY)) < 0) |
777 | return(ERROR); | |
778 | /* | |
779 | * Check to see if data file is a symbolic link. If so, it should | |
780 | * still point to the same file or someone is trying to print something | |
781 | * he shouldn't. | |
782 | */ | |
783 | if ((stb.st_mode & S_IFMT) == S_IFLNK && fstat(f, &stb) == 0 && | |
784 | (stb.st_dev != fdev || stb.st_ino != fino)) | |
785 | return(ACCESS); | |
34c0890f | 786 | (void) sprintf(buf, "%c%qd %s\n", type, stb.st_size, file); |
df7d5679 | 787 | amt = strlen(buf); |
47f0387b RC |
788 | for (i = 0; ; i++) { |
789 | if (write(pfd, buf, amt) != amt || | |
790 | (resp = response()) < 0 || resp == '\1') { | |
791 | (void) close(f); | |
98d189de | 792 | return(REPRINT); |
47f0387b RC |
793 | } else if (resp == '\0') |
794 | break; | |
795 | if (i == 0) | |
34c0890f | 796 | pstatus("no space on remote; waiting for queue to drain"); |
47f0387b | 797 | if (i == 10) |
076ae92c | 798 | syslog(LOG_ALERT, "%s: can't send to %s; queue full", |
47f0387b RC |
799 | printer, RM); |
800 | sleep(5 * 60); | |
48ca7288 | 801 | } |
47f0387b | 802 | if (i) |
34c0890f | 803 | pstatus("sending to %s", RM); |
df7d5679 RC |
804 | sizerr = 0; |
805 | for (i = 0; i < stb.st_size; i += BUFSIZ) { | |
806 | amt = BUFSIZ; | |
807 | if (i + amt > stb.st_size) | |
808 | amt = stb.st_size - i; | |
809 | if (sizerr == 0 && read(f, buf, amt) != amt) | |
810 | sizerr = 1; | |
48ca7288 RC |
811 | if (write(pfd, buf, amt) != amt) { |
812 | (void) close(f); | |
98d189de | 813 | return(REPRINT); |
48ca7288 | 814 | } |
df7d5679 | 815 | } |
34c0890f KB |
816 | |
817 | ||
818 | ||
819 | ||
df7d5679 RC |
820 | (void) close(f); |
821 | if (sizerr) { | |
47f0387b | 822 | syslog(LOG_INFO, "%s: %s: changed size", printer, file); |
98d189de RC |
823 | /* tell recvjob to ignore this file */ |
824 | (void) write(pfd, "\1", 1); | |
825 | return(ERROR); | |
826 | } | |
827 | if (write(pfd, "", 1) != 1 || response()) | |
828 | return(REPRINT); | |
829 | return(OK); | |
df7d5679 RC |
830 | } |
831 | ||
832 | /* | |
833 | * Check to make sure there have been no errors and that both programs | |
834 | * are in sync with eachother. | |
835 | * Return non-zero if the connection was lost. | |
836 | */ | |
34c0890f | 837 | static char |
47f0387b | 838 | response() |
df7d5679 RC |
839 | { |
840 | char resp; | |
841 | ||
47f0387b RC |
842 | if (read(pfd, &resp, 1) != 1) { |
843 | syslog(LOG_INFO, "%s: lost connection", printer); | |
844 | return(-1); | |
df7d5679 | 845 | } |
47f0387b | 846 | return(resp); |
df7d5679 RC |
847 | } |
848 | ||
849 | /* | |
850 | * Banner printing stuff | |
851 | */ | |
34c0890f | 852 | static void |
df7d5679 RC |
853 | banner(name1, name2) |
854 | char *name1, *name2; | |
855 | { | |
856 | time_t tvec; | |
857 | extern char *ctime(); | |
858 | ||
859 | time(&tvec); | |
860 | if (!SF && !tof) | |
861 | (void) write(ofd, FF, strlen(FF)); | |
862 | if (SB) { /* short banner only */ | |
863 | if (class[0]) { | |
864 | (void) write(ofd, class, strlen(class)); | |
865 | (void) write(ofd, ":", 1); | |
866 | } | |
867 | (void) write(ofd, name1, strlen(name1)); | |
868 | (void) write(ofd, " Job: ", 7); | |
869 | (void) write(ofd, name2, strlen(name2)); | |
870 | (void) write(ofd, " Date: ", 8); | |
871 | (void) write(ofd, ctime(&tvec), 24); | |
872 | (void) write(ofd, "\n", 1); | |
873 | } else { /* normal banner */ | |
874 | (void) write(ofd, "\n\n\n", 3); | |
875 | scan_out(ofd, name1, '\0'); | |
876 | (void) write(ofd, "\n\n", 2); | |
877 | scan_out(ofd, name2, '\0'); | |
878 | if (class[0]) { | |
879 | (void) write(ofd,"\n\n\n",3); | |
880 | scan_out(ofd, class, '\0'); | |
881 | } | |
882 | (void) write(ofd, "\n\n\n\n\t\t\t\t\tJob: ", 15); | |
883 | (void) write(ofd, name2, strlen(name2)); | |
884 | (void) write(ofd, "\n\t\t\t\t\tDate: ", 12); | |
885 | (void) write(ofd, ctime(&tvec), 24); | |
886 | (void) write(ofd, "\n", 1); | |
887 | } | |
888 | if (!SF) | |
889 | (void) write(ofd, FF, strlen(FF)); | |
890 | tof = 1; | |
891 | } | |
892 | ||
34c0890f | 893 | static char * |
df7d5679 | 894 | scnline(key, p, c) |
34c0890f KB |
895 | register int key; |
896 | register char *p; | |
897 | int c; | |
df7d5679 RC |
898 | { |
899 | register scnwidth; | |
900 | ||
901 | for (scnwidth = WIDTH; --scnwidth;) { | |
902 | key <<= 1; | |
903 | *p++ = key & 0200 ? c : BACKGND; | |
904 | } | |
905 | return (p); | |
906 | } | |
907 | ||
908 | #define TRC(q) (((q)-' ')&0177) | |
909 | ||
34c0890f | 910 | static void |
df7d5679 | 911 | scan_out(scfd, scsp, dlm) |
34c0890f KB |
912 | int scfd, dlm; |
913 | char *scsp; | |
df7d5679 RC |
914 | { |
915 | register char *strp; | |
916 | register nchrs, j; | |
917 | char outbuf[LINELEN+1], *sp, c, cc; | |
918 | int d, scnhgt; | |
919 | extern char scnkey[][HEIGHT]; /* in lpdchar.c */ | |
920 | ||
921 | for (scnhgt = 0; scnhgt++ < HEIGHT+DROP; ) { | |
922 | strp = &outbuf[0]; | |
923 | sp = scsp; | |
924 | for (nchrs = 0; ; ) { | |
925 | d = dropit(c = TRC(cc = *sp++)); | |
926 | if ((!d && scnhgt > HEIGHT) || (scnhgt <= DROP && d)) | |
927 | for (j = WIDTH; --j;) | |
928 | *strp++ = BACKGND; | |
929 | else | |
930 | strp = scnline(scnkey[c][scnhgt-1-d], strp, cc); | |
931 | if (*sp == dlm || *sp == '\0' || nchrs++ >= PW/(WIDTH+1)-1) | |
932 | break; | |
933 | *strp++ = BACKGND; | |
934 | *strp++ = BACKGND; | |
935 | } | |
936 | while (*--strp == BACKGND && strp >= outbuf) | |
937 | ; | |
938 | strp++; | |
939 | *strp++ = '\n'; | |
940 | (void) write(scfd, outbuf, strp-outbuf); | |
941 | } | |
942 | } | |
943 | ||
34c0890f | 944 | static int |
df7d5679 | 945 | dropit(c) |
34c0890f | 946 | int c; |
df7d5679 RC |
947 | { |
948 | switch(c) { | |
949 | ||
950 | case TRC('_'): | |
951 | case TRC(';'): | |
952 | case TRC(','): | |
953 | case TRC('g'): | |
954 | case TRC('j'): | |
955 | case TRC('p'): | |
956 | case TRC('q'): | |
957 | case TRC('y'): | |
958 | return (DROP); | |
959 | ||
960 | default: | |
961 | return (0); | |
962 | } | |
963 | } | |
964 | ||
965 | /* | |
966 | * sendmail --- | |
967 | * tell people about job completion | |
968 | */ | |
34c0890f | 969 | static void |
fbd83c9f RC |
970 | sendmail(user, bombed) |
971 | char *user; | |
df7d5679 RC |
972 | int bombed; |
973 | { | |
df7d5679 | 974 | register int i; |
fbd83c9f | 975 | int p[2], s; |
df7d5679 RC |
976 | register char *cp; |
977 | char buf[100]; | |
fbd83c9f RC |
978 | struct stat stb; |
979 | FILE *fp; | |
df7d5679 RC |
980 | |
981 | pipe(p); | |
fbd83c9f | 982 | if ((s = dofork(DORETURN)) == 0) { /* child */ |
df7d5679 RC |
983 | dup2(p[0], 0); |
984 | for (i = 3; i < NOFILE; i++) | |
985 | (void) close(i); | |
7abf8d65 | 986 | if ((cp = rindex(_PATH_SENDMAIL, '/')) != NULL) |
df7d5679 | 987 | cp++; |
34c0890f | 988 | else |
7abf8d65 | 989 | cp = _PATH_SENDMAIL; |
fbd83c9f | 990 | sprintf(buf, "%s@%s", user, fromhost); |
7abf8d65 | 991 | execl(_PATH_SENDMAIL, cp, buf, 0); |
df7d5679 | 992 | exit(0); |
fbd83c9f | 993 | } else if (s > 0) { /* parent */ |
df7d5679 | 994 | dup2(p[1], 1); |
fbd83c9f | 995 | printf("To: %s@%s\n", user, fromhost); |
df7d5679 RC |
996 | printf("Subject: printer job\n\n"); |
997 | printf("Your printer job "); | |
998 | if (*jobname) | |
999 | printf("(%s) ", jobname); | |
88f026f7 | 1000 | switch (bombed) { |
98d189de | 1001 | case OK: |
88f026f7 RC |
1002 | printf("\ncompleted successfully\n"); |
1003 | break; | |
1004 | default: | |
98d189de | 1005 | case FATALERR: |
88f026f7 RC |
1006 | printf("\ncould not be printed\n"); |
1007 | break; | |
98d189de | 1008 | case NOACCT: |
88f026f7 RC |
1009 | printf("\ncould not be printed without an account on %s\n", host); |
1010 | break; | |
98d189de | 1011 | case FILTERERR: |
c876f6ee KM |
1012 | if (stat(tempfile, &stb) < 0 || stb.st_size == 0 || |
1013 | (fp = fopen(tempfile, "r")) == NULL) { | |
fbd83c9f RC |
1014 | printf("\nwas printed but had some errors\n"); |
1015 | break; | |
1016 | } | |
1017 | printf("\nwas printed but had the following errors:\n"); | |
1018 | while ((i = getc(fp)) != EOF) | |
1019 | putchar(i); | |
1020 | (void) fclose(fp); | |
98d189de RC |
1021 | break; |
1022 | case ACCESS: | |
1023 | printf("\nwas not printed because it was not linked to the original file\n"); | |
88f026f7 | 1024 | } |
df7d5679 RC |
1025 | fflush(stdout); |
1026 | (void) close(1); | |
1027 | } | |
1028 | (void) close(p[0]); | |
1029 | (void) close(p[1]); | |
fbd83c9f | 1030 | wait(&s); |
df7d5679 RC |
1031 | } |
1032 | ||
1033 | /* | |
1034 | * dofork - fork with retries on failure | |
1035 | */ | |
34c0890f | 1036 | static int |
df7d5679 RC |
1037 | dofork(action) |
1038 | int action; | |
1039 | { | |
1040 | register int i, pid; | |
1041 | ||
1042 | for (i = 0; i < 20; i++) { | |
88f026f7 | 1043 | if ((pid = fork()) < 0) { |
df7d5679 | 1044 | sleep((unsigned)(i*i)); |
88f026f7 RC |
1045 | continue; |
1046 | } | |
1047 | /* | |
1048 | * Child should run as daemon instead of root | |
1049 | */ | |
1050 | if (pid == 0) | |
1051 | setuid(DU); | |
1052 | return(pid); | |
df7d5679 | 1053 | } |
47f0387b | 1054 | syslog(LOG_ERR, "can't fork"); |
df7d5679 RC |
1055 | |
1056 | switch (action) { | |
1057 | case DORETURN: | |
1058 | return (-1); | |
1059 | default: | |
47f0387b | 1060 | syslog(LOG_ERR, "bad action (%d) to dofork", action); |
df7d5679 RC |
1061 | /*FALL THRU*/ |
1062 | case DOABORT: | |
1063 | exit(1); | |
1064 | } | |
1065 | /*NOTREACHED*/ | |
1066 | } | |
1067 | ||
1068 | /* | |
47f0387b | 1069 | * Kill child processes to abort current job. |
df7d5679 | 1070 | */ |
34c0890f KB |
1071 | static void |
1072 | abortpr(signo) | |
1073 | int signo; | |
df7d5679 | 1074 | { |
c876f6ee | 1075 | (void) unlink(tempfile); |
df7d5679 RC |
1076 | kill(0, SIGINT); |
1077 | if (ofilter > 0) | |
1078 | kill(ofilter, SIGCONT); | |
b681f416 | 1079 | while (wait(NULL) > 0) |
df7d5679 RC |
1080 | ; |
1081 | exit(0); | |
1082 | } | |
1083 | ||
34c0890f | 1084 | static void |
df7d5679 RC |
1085 | init() |
1086 | { | |
1087 | int status; | |
b5eb1530 | 1088 | char *s; |
df7d5679 | 1089 | |
c61e0514 | 1090 | if ((status = cgetent(&bp, printcapdb, printer)) == -2) { |
9e8db329 TF |
1091 | syslog(LOG_ERR, "can't open printer description file"); |
1092 | exit(1); | |
c61e0514 | 1093 | } else if (status == -1) { |
9e8db329 TF |
1094 | syslog(LOG_ERR, "unknown printer: %s", printer); |
1095 | exit(1); | |
c61e0514 EA |
1096 | } else if (status == -3) |
1097 | fatal("potential reference loop detected in printcap file"); | |
1098 | ||
1099 | if (cgetstr(bp, "lp", &LP) == -1) | |
7abf8d65 | 1100 | LP = _PATH_DEFDEVLP; |
c61e0514 | 1101 | if (cgetstr(bp, "rp", &RP) == -1) |
88f026f7 | 1102 | RP = DEFLP; |
c61e0514 | 1103 | if (cgetstr(bp, "lo", &LO) == -1) |
df7d5679 | 1104 | LO = DEFLOCK; |
c61e0514 | 1105 | if (cgetstr(bp, "st", &ST) == -1) |
df7d5679 | 1106 | ST = DEFSTAT; |
c61e0514 | 1107 | if (cgetstr(bp, "lf", &LF) == -1) |
7abf8d65 | 1108 | LF = _PATH_CONSOLE; |
c61e0514 | 1109 | if (cgetstr(bp, "sd", &SD) == -1) |
7abf8d65 | 1110 | SD = _PATH_DEFSPOOL; |
c61e0514 | 1111 | if (cgetnum(bp, "du", &DU) < 0) |
df7d5679 | 1112 | DU = DEFUID; |
c61e0514 | 1113 | if (cgetstr(bp,"ff", &FF) == -1) |
df7d5679 | 1114 | FF = DEFFF; |
c61e0514 | 1115 | if (cgetnum(bp, "pw", &PW) < 0) |
df7d5679 RC |
1116 | PW = DEFWIDTH; |
1117 | sprintf(&width[2], "%d", PW); | |
c61e0514 | 1118 | if (cgetnum(bp, "pl", &PL) < 0) |
df7d5679 RC |
1119 | PL = DEFLENGTH; |
1120 | sprintf(&length[2], "%d", PL); | |
c61e0514 | 1121 | if (cgetnum(bp,"px", &PX) < 0) |
88f026f7 RC |
1122 | PX = 0; |
1123 | sprintf(&pxwidth[2], "%d", PX); | |
c61e0514 | 1124 | if (cgetnum(bp, "py", &PY) < 0) |
88f026f7 RC |
1125 | PY = 0; |
1126 | sprintf(&pxlength[2], "%d", PY); | |
c61e0514 | 1127 | cgetstr(bp, "rm", &RM); |
b5eb1530 TF |
1128 | if (s = checkremote()) |
1129 | syslog(LOG_WARNING, s); | |
9e8db329 | 1130 | |
c61e0514 EA |
1131 | cgetstr(bp, "af", &AF); |
1132 | cgetstr(bp, "of", &OF); | |
1133 | cgetstr(bp, "if", &IF); | |
1134 | cgetstr(bp, "rf", &RF); | |
1135 | cgetstr(bp, "tf", &TF); | |
1136 | cgetstr(bp, "nf", &NF); | |
1137 | cgetstr(bp, "df", &DF); | |
1138 | cgetstr(bp, "gf", &GF); | |
1139 | cgetstr(bp, "vf", &VF); | |
1140 | cgetstr(bp, "cf", &CF); | |
1141 | cgetstr(bp, "tr", &TR); | |
1142 | ||
1143 | RS = (cgetcap(bp, "rs", ':') != NULL); | |
1144 | SF = (cgetcap(bp, "sf", ':') != NULL); | |
1145 | SH = (cgetcap(bp, "sh", ':') != NULL); | |
1146 | SB = (cgetcap(bp, "sb", ':') != NULL); | |
1147 | HL = (cgetcap(bp, "hl", ':') != NULL); | |
1148 | RW = (cgetcap(bp, "rw", ':') != NULL); | |
1149 | ||
1150 | cgetnum(bp, "br", &BR); | |
1151 | if (cgetnum(bp, "fc", &FC) < 0) | |
df7d5679 | 1152 | FC = 0; |
c61e0514 | 1153 | if (cgetnum(bp, "fs", &FS) < 0) |
df7d5679 | 1154 | FS = 0; |
c61e0514 | 1155 | if (cgetnum(bp, "xc", &XC) < 0) |
df7d5679 | 1156 | XC = 0; |
c61e0514 | 1157 | if (cgetnum(bp, "xs", &XS) < 0) |
df7d5679 | 1158 | XS = 0; |
c61e0514 EA |
1159 | |
1160 | tof = (cgetcap(bp, "fo", ':') == NULL); | |
df7d5679 RC |
1161 | } |
1162 | ||
88f026f7 RC |
1163 | /* |
1164 | * Acquire line printer or remote connection. | |
1165 | */ | |
34c0890f | 1166 | static void |
88f026f7 RC |
1167 | openpr() |
1168 | { | |
1169 | register int i, n; | |
47f0387b | 1170 | int resp; |
88f026f7 | 1171 | |
b5eb1530 | 1172 | if (!sendtorem && *LP) { |
88f026f7 | 1173 | for (i = 1; ; i = i < 32 ? i << 1 : i) { |
adec4d9e | 1174 | pfd = open(LP, RW ? O_RDWR : O_WRONLY); |
88f026f7 RC |
1175 | if (pfd >= 0) |
1176 | break; | |
1177 | if (errno == ENOENT) { | |
47f0387b | 1178 | syslog(LOG_ERR, "%s: %m", LP); |
88f026f7 RC |
1179 | exit(1); |
1180 | } | |
1181 | if (i == 1) | |
34c0890f | 1182 | pstatus("waiting for %s to become ready (offline ?)", printer); |
88f026f7 RC |
1183 | sleep(i); |
1184 | } | |
1185 | if (isatty(pfd)) | |
1186 | setty(); | |
34c0890f | 1187 | pstatus("%s is ready and printing", printer); |
88f026f7 | 1188 | } else if (RM != NULL) { |
47f0387b RC |
1189 | for (i = 1; ; i = i < 256 ? i << 1 : i) { |
1190 | resp = -1; | |
a87bde97 | 1191 | pfd = getport(RM); |
88f026f7 RC |
1192 | if (pfd >= 0) { |
1193 | (void) sprintf(line, "\2%s\n", RP); | |
1194 | n = strlen(line); | |
47f0387b RC |
1195 | if (write(pfd, line, n) == n && |
1196 | (resp = response()) == '\0') | |
88f026f7 | 1197 | break; |
1d57b303 RC |
1198 | (void) close(pfd); |
1199 | } | |
1200 | if (i == 1) { | |
47f0387b | 1201 | if (resp < 0) |
34c0890f | 1202 | pstatus("waiting for %s to come up", RM); |
47f0387b | 1203 | else { |
34c0890f | 1204 | pstatus("waiting for queue to be enabled on %s", RM); |
47f0387b RC |
1205 | i = 256; |
1206 | } | |
88f026f7 | 1207 | } |
88f026f7 RC |
1208 | sleep(i); |
1209 | } | |
34c0890f | 1210 | pstatus("sending to %s", RM); |
88f026f7 RC |
1211 | remote = 1; |
1212 | } else { | |
47f0387b RC |
1213 | syslog(LOG_ERR, "%s: no line printer device or host name", |
1214 | printer); | |
88f026f7 RC |
1215 | exit(1); |
1216 | } | |
1217 | /* | |
1218 | * Start up an output filter, if needed. | |
1219 | */ | |
ca554fdd | 1220 | if (!remote && OF) { |
88f026f7 RC |
1221 | int p[2]; |
1222 | char *cp; | |
1223 | ||
1224 | pipe(p); | |
1225 | if ((ofilter = dofork(DOABORT)) == 0) { /* child */ | |
1226 | dup2(p[0], 0); /* pipe is std in */ | |
1227 | dup2(pfd, 1); /* printer is std out */ | |
1228 | for (i = 3; i < NOFILE; i++) | |
1229 | (void) close(i); | |
1230 | if ((cp = rindex(OF, '/')) == NULL) | |
1231 | cp = OF; | |
1232 | else | |
1233 | cp++; | |
1234 | execl(OF, cp, width, length, 0); | |
47f0387b | 1235 | syslog(LOG_ERR, "%s: %s: %m", printer, OF); |
88f026f7 RC |
1236 | exit(1); |
1237 | } | |
1238 | (void) close(p[0]); /* close input side */ | |
1239 | ofd = p[1]; /* use pipe for output */ | |
1240 | } else { | |
1241 | ofd = pfd; | |
1242 | ofilter = 0; | |
1243 | } | |
1244 | } | |
1245 | ||
df7d5679 RC |
1246 | struct bauds { |
1247 | int baud; | |
1248 | int speed; | |
1249 | } bauds[] = { | |
1250 | 50, B50, | |
1251 | 75, B75, | |
1252 | 110, B110, | |
1253 | 134, B134, | |
1254 | 150, B150, | |
1255 | 200, B200, | |
1256 | 300, B300, | |
1257 | 600, B600, | |
1258 | 1200, B1200, | |
1259 | 1800, B1800, | |
1260 | 2400, B2400, | |
1261 | 4800, B4800, | |
1262 | 9600, B9600, | |
1263 | 19200, EXTA, | |
1264 | 38400, EXTB, | |
1265 | 0, 0 | |
1266 | }; | |
1267 | ||
1268 | /* | |
1269 | * setup tty lines. | |
1270 | */ | |
34c0890f | 1271 | static void |
df7d5679 RC |
1272 | setty() |
1273 | { | |
1274 | struct sgttyb ttybuf; | |
1275 | register struct bauds *bp; | |
1276 | ||
1277 | if (ioctl(pfd, TIOCEXCL, (char *)0) < 0) { | |
47f0387b | 1278 | syslog(LOG_ERR, "%s: ioctl(TIOCEXCL): %m", printer); |
df7d5679 RC |
1279 | exit(1); |
1280 | } | |
1281 | if (ioctl(pfd, TIOCGETP, (char *)&ttybuf) < 0) { | |
47f0387b | 1282 | syslog(LOG_ERR, "%s: ioctl(TIOCGETP): %m", printer); |
df7d5679 RC |
1283 | exit(1); |
1284 | } | |
1285 | if (BR > 0) { | |
1286 | for (bp = bauds; bp->baud; bp++) | |
1287 | if (BR == bp->baud) | |
1288 | break; | |
1289 | if (!bp->baud) { | |
47f0387b | 1290 | syslog(LOG_ERR, "%s: illegal baud rate %d", printer, BR); |
df7d5679 RC |
1291 | exit(1); |
1292 | } | |
1293 | ttybuf.sg_ispeed = ttybuf.sg_ospeed = bp->speed; | |
1294 | } | |
c6d1c018 RC |
1295 | ttybuf.sg_flags &= ~FC; |
1296 | ttybuf.sg_flags |= FS; | |
df7d5679 | 1297 | if (ioctl(pfd, TIOCSETP, (char *)&ttybuf) < 0) { |
47f0387b | 1298 | syslog(LOG_ERR, "%s: ioctl(TIOCSETP): %m", printer); |
df7d5679 RC |
1299 | exit(1); |
1300 | } | |
1301 | if (XC) { | |
1302 | if (ioctl(pfd, TIOCLBIC, &XC) < 0) { | |
47f0387b | 1303 | syslog(LOG_ERR, "%s: ioctl(TIOCLBIC): %m", printer); |
df7d5679 RC |
1304 | exit(1); |
1305 | } | |
1306 | } | |
1307 | if (XS) { | |
1308 | if (ioctl(pfd, TIOCLBIS, &XS) < 0) { | |
47f0387b | 1309 | syslog(LOG_ERR, "%s: ioctl(TIOCLBIS): %m", printer); |
df7d5679 RC |
1310 | exit(1); |
1311 | } | |
1312 | } | |
1313 | } | |
88f026f7 | 1314 | |
34c0890f KB |
1315 | #if __STDC__ |
1316 | #include <stdarg.h> | |
1317 | #else | |
1318 | #include <varargs.h> | |
1319 | #endif | |
1320 | ||
1321 | void | |
1322 | #if __STDC__ | |
1323 | pstatus(const char *msg, ...) | |
1324 | #else | |
1325 | pstatus(msg, va_alist) | |
88f026f7 | 1326 | char *msg; |
34c0890f KB |
1327 | va_dcl |
1328 | #endif | |
88f026f7 RC |
1329 | { |
1330 | register int fd; | |
1331 | char buf[BUFSIZ]; | |
34c0890f KB |
1332 | va_list ap; |
1333 | #if __STDC__ | |
1334 | va_start(ap, msg); | |
1335 | #else | |
1336 | va_start(ap); | |
1337 | #endif | |
88f026f7 RC |
1338 | |
1339 | umask(0); | |
adec4d9e | 1340 | fd = open(ST, O_WRONLY|O_CREAT, 0664); |
47f0387b RC |
1341 | if (fd < 0 || flock(fd, LOCK_EX) < 0) { |
1342 | syslog(LOG_ERR, "%s: %s: %m", printer, ST); | |
1343 | exit(1); | |
1344 | } | |
adec4d9e | 1345 | ftruncate(fd, 0); |
34c0890f KB |
1346 | (void)vsnprintf(buf, sizeof(buf), msg, ap); |
1347 | va_end(ap); | |
88f026f7 RC |
1348 | strcat(buf, "\n"); |
1349 | (void) write(fd, buf, strlen(buf)); | |
1350 | (void) close(fd); | |
1351 | } |