File: | src/usr.sbin/lpr/lpd/printjob.c |
Warning: | line 1565, column 9 Potential leak of memory pointed to by 'val' |
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1 | /* $OpenBSD: printjob.c,v 1.62 2021/10/24 21:24:18 deraadt Exp $ */ | |||
2 | /* $NetBSD: printjob.c,v 1.31 2002/01/21 14:42:30 wiz Exp $ */ | |||
3 | ||||
4 | /* | |||
5 | * Copyright (c) 1983, 1993 | |||
6 | * The Regents of the University of California. All rights reserved. | |||
7 | * | |||
8 | * | |||
9 | * Redistribution and use in source and binary forms, with or without | |||
10 | * modification, are permitted provided that the following conditions | |||
11 | * are met: | |||
12 | * 1. Redistributions of source code must retain the above copyright | |||
13 | * notice, this list of conditions and the following disclaimer. | |||
14 | * 2. Redistributions in binary form must reproduce the above copyright | |||
15 | * notice, this list of conditions and the following disclaimer in the | |||
16 | * documentation and/or other materials provided with the distribution. | |||
17 | * 3. Neither the name of the University nor the names of its contributors | |||
18 | * may be used to endorse or promote products derived from this software | |||
19 | * without specific prior written permission. | |||
20 | * | |||
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |||
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |||
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||
31 | * SUCH DAMAGE. | |||
32 | */ | |||
33 | ||||
34 | /* | |||
35 | * printjob -- print jobs in the queue. | |||
36 | * | |||
37 | * NOTE: the lock file is used to pass information to lpq and lprm. | |||
38 | * it does not need to be removed because file locks are dynamic. | |||
39 | */ | |||
40 | ||||
41 | #include <sys/types.h> | |||
42 | #include <sys/wait.h> | |||
43 | #include <sys/stat.h> | |||
44 | ||||
45 | #include <pwd.h> | |||
46 | #include <unistd.h> | |||
47 | #include <signal.h> | |||
48 | #include <termios.h> | |||
49 | #include <syslog.h> | |||
50 | #include <fcntl.h> | |||
51 | #include <dirent.h> | |||
52 | #include <errno(*__errno()).h> | |||
53 | #include <stdio.h> | |||
54 | #include <string.h> | |||
55 | #include <limits.h> | |||
56 | #include <stdlib.h> | |||
57 | #include <stdarg.h> | |||
58 | #include <ctype.h> | |||
59 | ||||
60 | #include "lp.h" | |||
61 | #include "lp.local.h" | |||
62 | #include "pathnames.h" | |||
63 | #include "extern.h" | |||
64 | ||||
65 | #define DORETURN0 0 /* absorb fork error */ | |||
66 | #define DOABORT1 1 /* abort if dofork fails */ | |||
67 | ||||
68 | /* | |||
69 | * Error tokens | |||
70 | */ | |||
71 | #define REPRINT-2 -2 | |||
72 | #define ERROR-1 -1 | |||
73 | #define OK0 0 | |||
74 | #define FATALERR1 1 | |||
75 | #define NOACCT2 2 | |||
76 | #define FILTERERR3 3 | |||
77 | #define ACCESS4 4 | |||
78 | ||||
79 | static dev_t fdev; /* device of file pointed to by symlink */ | |||
80 | static ino_t fino; /* inode of file pointed to by symlink */ | |||
81 | static FILE *cfp; /* control file */ | |||
82 | static pid_t child; /* pid of any filters */ | |||
83 | static int lfd; /* lock file descriptor */ | |||
84 | static int ofd; /* output filter file descriptor */ | |||
85 | static pid_t ofilter; /* pid of output filter, if any */ | |||
86 | static int pfd; /* prstatic inter file descriptor */ | |||
87 | static pid_t pid; /* pid of lpd process */ | |||
88 | static pid_t prchild; /* pid of pr process */ | |||
89 | static char title[80]; /* ``pr'' title */ | |||
90 | static int tof; /* true if at top of form */ | |||
91 | ||||
92 | static char class[32]; /* classification field */ | |||
93 | static char fromhost[HOST_NAME_MAX255+1]; /* user's host machine */ | |||
94 | /* indentation size in static characters */ | |||
95 | static char indent[10] = "-i0"; | |||
96 | static char jobname[NAME_MAX255]; /* job or file name */ | |||
97 | static char length[10] = "-l"; /* page length in lines */ | |||
98 | static char logname[LOGIN_NAME_MAX32];/* user's login name */ | |||
99 | static char pxlength[10] = "-y"; /* page length in pixels */ | |||
100 | static char pxwidth[10] = "-x"; /* page width in pixels */ | |||
101 | static char tempfile[] = "errsXXXXXXXXXX"; /* file name for filter output */ | |||
102 | static char width[10] = "-w"; /* page width in static characters */ | |||
103 | ||||
104 | static void abortpr(int); | |||
105 | static void banner(char *, char *); | |||
106 | static void delay(int); | |||
107 | static pid_t dofork(int); | |||
108 | static int dropit(int); | |||
109 | static void init(void); | |||
110 | static void openpr(void); | |||
111 | static void opennet(char *); | |||
112 | static void opentty(void); | |||
113 | static void openrem(void); | |||
114 | static int print(int, char *); | |||
115 | static int printit(char *); | |||
116 | static void pstatus(const char *, ...) | |||
117 | __attribute__((__format__(__printf__, 1, 2))); | |||
118 | static char response(void); | |||
119 | static void scan_out(int, char *, int); | |||
120 | static char *scnline(int, char *, int); | |||
121 | static int sendfile(int, char *); | |||
122 | static int sendit(char *); | |||
123 | static void sendmail(char *, int); | |||
124 | static void setty(void); | |||
125 | static void alarmer(int); | |||
126 | ||||
127 | void | |||
128 | printjob(void) | |||
129 | { | |||
130 | struct stat stb; | |||
131 | struct queue *q, **qp; | |||
132 | struct queue **queue; | |||
133 | struct sigaction sa; | |||
134 | int i, fd, nitems; | |||
135 | off_t pidoff; | |||
136 | int errcnt, count = 0; | |||
137 | ||||
138 | init(); /* set up capabilities */ | |||
139 | (void)write(STDOUT_FILENO1, "", 1); /* ack that daemon is started */ | |||
140 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
| ||||
141 | fd = open(LF, O_WRONLY0x0001|O_APPEND0x0008); /* set up log file */ | |||
142 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
143 | if (fd < 0) { | |||
144 | syslog(LOG_ERR3, "%s: %m", LF); | |||
145 | if ((fd = open(_PATH_DEVNULL"/dev/null", O_WRONLY0x0001)) < 0) | |||
146 | exit(1); | |||
147 | } | |||
148 | if (fd != STDERR_FILENO2) { | |||
149 | if (dup2(fd, STDERR_FILENO2) < 0) { | |||
150 | syslog(LOG_ERR3, "dup2: %m"); | |||
151 | exit(1); | |||
152 | } | |||
153 | (void)close(fd); | |||
154 | } | |||
155 | setpgid(0, 0); | |||
156 | ||||
157 | /* we add SIGINT to the mask so abortpr() doesn't kill itself */ | |||
158 | memset(&sa, 0, sizeof(sa)); | |||
159 | sa.sa_handler__sigaction_u.__sa_handler = abortpr; | |||
160 | sa.sa_flags = SA_RESTART0x0002; | |||
161 | sigemptyset(&sa.sa_mask); | |||
162 | sigaddset(&sa.sa_mask, SIGINT2); | |||
163 | sigaction(SIGHUP1, &sa, NULL((void *)0)); | |||
164 | sigaction(SIGINT2, &sa, NULL((void *)0)); | |||
165 | sigaction(SIGQUIT3, &sa, NULL((void *)0)); | |||
166 | sigaction(SIGTERM15, &sa, NULL((void *)0)); | |||
167 | ||||
168 | /* so we can use short form file names */ | |||
169 | if (chdir(SD) < 0) { | |||
170 | syslog(LOG_ERR3, "%s: %m", SD); | |||
171 | exit(1); | |||
172 | } | |||
173 | ||||
174 | (void)mktemp(tempfile); /* safe */ | |||
175 | ||||
176 | lfd = safe_open(LO, O_WRONLY0x0001|O_CREAT0x0200|O_NOFOLLOW0x0100|O_EXLOCK0x0020, 0640); | |||
177 | if (lfd < 0) { | |||
178 | if (errno(*__errno()) == EWOULDBLOCK35) /* active daemon present */ | |||
179 | exit(0); | |||
180 | syslog(LOG_ERR3, "%s: %s: %m", printer, LO); | |||
181 | exit(1); | |||
182 | } | |||
183 | if (fstat(lfd, &stb) == 0 && (stb.st_mode & S_IXUSR0000100)) | |||
184 | exit(0); /* printing disabled */ | |||
185 | ftruncate(lfd, 0); | |||
186 | /* | |||
187 | * write process id for others to know | |||
188 | */ | |||
189 | pid = getpid(); | |||
190 | if ((pidoff = i = snprintf(line, sizeof(line), "%d\n", pid)) < 0 || | |||
191 | i >= sizeof(line)) { | |||
192 | syslog(LOG_ERR3, "impossibly large pid: %u", pid); | |||
193 | exit(1); | |||
194 | } | |||
195 | if (write(lfd, line, i) != i) { | |||
196 | syslog(LOG_ERR3, "%s: %s: %m", printer, LO); | |||
197 | exit(1); | |||
198 | } | |||
199 | /* | |||
200 | * search the spool directory for work and sort by queue order. | |||
201 | */ | |||
202 | if ((nitems = getq(&queue)) < 0) { | |||
203 | syslog(LOG_ERR3, "%s: can't scan %s", printer, SD); | |||
204 | exit(1); | |||
205 | } | |||
206 | if (nitems == 0) /* no work to do */ | |||
207 | exit(0); | |||
208 | if (stb.st_mode & S_IXOTH0000001) { /* reset queue flag */ | |||
209 | stb.st_mode &= ~S_IXOTH0000001; | |||
210 | if (fchmod(lfd, stb.st_mode & 0777) < 0) | |||
211 | syslog(LOG_ERR3, "%s: %s: %m", printer, LO); | |||
212 | } | |||
213 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
214 | openpr(); /* open printer or remote */ | |||
215 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
216 | ||||
217 | again: | |||
218 | /* | |||
219 | * we found something to do now do it -- | |||
220 | * write the name of the current control file into the lock file | |||
221 | * so the spool queue program can tell what we're working on | |||
222 | */ | |||
223 | for (qp = queue; nitems--; free(q)) { | |||
224 | q = *qp++; | |||
225 | if (stat(q->q_name, &stb) < 0) | |||
226 | continue; | |||
227 | errcnt = 0; | |||
228 | restart: | |||
229 | fdev = (dev_t)-1; | |||
230 | fino = (ino_t)-1; | |||
231 | ||||
232 | (void)lseek(lfd, pidoff, SEEK_SET0); | |||
233 | if ((i = snprintf(line, sizeof(line), "%s\n", q->q_name)) < 0 || | |||
234 | i >= sizeof(line)) | |||
235 | i = sizeof(line) - 1; /* can't happen */ | |||
236 | if (write(lfd, line, i) != i) | |||
237 | syslog(LOG_ERR3, "%s: %s: %m", printer, LO); | |||
238 | if (!remote) | |||
239 | i = printit(q->q_name); | |||
240 | else | |||
241 | i = sendit(q->q_name); | |||
242 | /* | |||
243 | * Check to see if we are supposed to stop printing or | |||
244 | * if we are to rebuild the queue. | |||
245 | */ | |||
246 | if (fstat(lfd, &stb) == 0) { | |||
247 | /* stop printing before starting next job? */ | |||
248 | if (stb.st_mode & S_IXUSR0000100) | |||
249 | goto done; | |||
250 | /* rebuild queue (after lpc topq) */ | |||
251 | if (stb.st_mode & S_IXOTH0000001) { | |||
252 | for (free(q); nitems--; free(q)) | |||
253 | q = *qp++; | |||
254 | stb.st_mode &= ~S_IXOTH0000001; | |||
255 | if (fchmod(lfd, stb.st_mode & 0777) < 0) | |||
256 | syslog(LOG_WARNING4, "%s: %s: %m", | |||
257 | printer, LO); | |||
258 | break; | |||
259 | } | |||
260 | } | |||
261 | if (i == OK0) /* file ok and printed */ | |||
262 | count++; | |||
263 | else if (i == REPRINT-2 && ++errcnt < 5) { | |||
264 | /* try reprinting the job */ | |||
265 | syslog(LOG_INFO6, "restarting %s", printer); | |||
266 | if (ofilter > 0) { | |||
267 | kill(ofilter, SIGCONT19); /* to be sure */ | |||
268 | (void)close(ofd); | |||
269 | while ((i = wait(NULL((void *)0))) > 0 && i != ofilter) | |||
270 | ; | |||
271 | ofilter = 0; | |||
272 | } | |||
273 | (void)close(pfd); /* close printer */ | |||
274 | if (ftruncate(lfd, pidoff) < 0) | |||
275 | syslog(LOG_WARNING4, "%s: %s: %m", printer, LO); | |||
276 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
277 | openpr(); /* try to reopen printer */ | |||
278 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
279 | goto restart; | |||
280 | } else { | |||
281 | syslog(LOG_WARNING4, "%s: job could not be %s (%s)", printer, | |||
282 | remote ? "sent to remote host" : "printed", q->q_name); | |||
283 | if (i == REPRINT-2) { | |||
284 | /* ensure we don't attempt this job again */ | |||
285 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
286 | (void)unlink(q->q_name); | |||
287 | q->q_name[0] = 'd'; | |||
288 | (void)unlink(q->q_name); | |||
289 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
290 | if (logname[0]) | |||
291 | sendmail(logname, FATALERR1); | |||
292 | } | |||
293 | } | |||
294 | } | |||
295 | free(queue); | |||
296 | /* | |||
297 | * search the spool directory for more work. | |||
298 | */ | |||
299 | if ((nitems = getq(&queue)) < 0) { | |||
300 | syslog(LOG_ERR3, "%s: can't scan %s", printer, SD); | |||
301 | exit(1); | |||
302 | } | |||
303 | if (nitems == 0) { /* no more work to do */ | |||
304 | done: | |||
305 | if (count > 0) { /* Files actually printed */ | |||
306 | if (!SF && !tof) | |||
307 | (void)write(ofd, FF, strlen(FF)); | |||
308 | if (TR != NULL((void *)0)) /* output trailer */ | |||
309 | (void)write(ofd, TR, strlen(TR)); | |||
310 | } | |||
311 | (void)close(ofd); | |||
312 | (void)wait(NULL((void *)0)); | |||
313 | (void)unlink(tempfile); | |||
314 | exit(0); | |||
315 | } | |||
316 | goto again; | |||
317 | } | |||
318 | ||||
319 | #define FONTLEN50 50 | |||
320 | char fonts[4][FONTLEN50]; /* fonts for troff */ | |||
321 | ||||
322 | char ifonts[4][40] = { | |||
323 | _PATH_VFONTR"/usr/libdata/vfont/R", | |||
324 | _PATH_VFONTI"/usr/libdata/vfont/I", | |||
325 | _PATH_VFONTB"/usr/libdata/vfont/B", | |||
326 | _PATH_VFONTS"/usr/libdata/vfont/S", | |||
327 | }; | |||
328 | ||||
329 | /* | |||
330 | * The remaining part is the reading of the control file (cf) | |||
331 | * and performing the various actions. | |||
332 | */ | |||
333 | static int | |||
334 | printit(char *file) | |||
335 | { | |||
336 | int i, fd; | |||
337 | char *cp; | |||
338 | int bombed = OK0; | |||
339 | ||||
340 | /* | |||
341 | * open control file; ignore if no longer there. | |||
342 | */ | |||
343 | fd = safe_open(file, O_RDONLY0x0000|O_NOFOLLOW0x0100, 0); | |||
344 | if (fd < 0 || (cfp = fdopen(fd, "r")) == NULL((void *)0)) { | |||
345 | syslog(LOG_INFO6, "%s: %s: %m", printer, file); | |||
346 | if (fd >= 0) | |||
347 | (void)close(fd); | |||
348 | return(OK0); | |||
349 | } | |||
350 | /* | |||
351 | * Reset troff fonts. | |||
352 | */ | |||
353 | for (i = 0; i < 4; i++) | |||
354 | strlcpy(fonts[i], ifonts[i], FONTLEN50); | |||
355 | (void)snprintf(&width[2], sizeof(width) - 2, "%ld", PW); | |||
356 | indent[2] = '0'; | |||
357 | indent[3] = '\0'; | |||
358 | ||||
359 | /* | |||
360 | * read the control file for work to do | |||
361 | * | |||
362 | * file format -- first character in the line is a command | |||
363 | * rest of the line is the argument. | |||
364 | * valid commands are: | |||
365 | * | |||
366 | * S -- "stat info" for symbolic link protection | |||
367 | * J -- "job name" on banner page | |||
368 | * C -- "class name" on banner page | |||
369 | * L -- "literal" user's name to print on banner | |||
370 | * T -- "title" for pr | |||
371 | * H -- "host name" of machine where lpr was done | |||
372 | * P -- "person" user's login name | |||
373 | * I -- "indent" amount to indent output | |||
374 | * R -- laser dpi "resolution" | |||
375 | * f -- "file name" name of text file to print | |||
376 | * l -- "file name" text file with control chars | |||
377 | * p -- "file name" text file to print with pr(1) | |||
378 | * t -- "file name" troff(1) file to print | |||
379 | * n -- "file name" ditroff(1) file to print | |||
380 | * d -- "file name" dvi file to print | |||
381 | * g -- "file name" plot(1G) file to print | |||
382 | * v -- "file name" plain raster file to print | |||
383 | * c -- "file name" cifplot file to print | |||
384 | * 1 -- "R font file" for troff | |||
385 | * 2 -- "I font file" for troff | |||
386 | * 3 -- "B font file" for troff | |||
387 | * 4 -- "S font file" for troff | |||
388 | * N -- "name" of file (used by lpq) | |||
389 | * U -- "unlink" name of file to remove | |||
390 | * (after we print it. (Pass 2 only)). | |||
391 | * M -- "mail" to user when done printing | |||
392 | * | |||
393 | * get_line reads a line and expands tabs to blanks | |||
394 | */ | |||
395 | ||||
396 | /* pass 1 */ | |||
397 | ||||
398 | while (get_line(cfp)) | |||
399 | switch (line[0]) { | |||
400 | case 'H': | |||
401 | strlcpy(fromhost, line+1, sizeof(fromhost)); | |||
402 | if (class[0] == '\0') | |||
403 | strlcpy(class, line+1, sizeof(class)); | |||
404 | continue; | |||
405 | ||||
406 | case 'P': | |||
407 | strlcpy(logname, line+1, sizeof(logname)); | |||
408 | if (RS) { /* restricted */ | |||
409 | if (getpwnam(logname) == NULL((void *)0)) { | |||
410 | bombed = NOACCT2; | |||
411 | sendmail(line+1, bombed); | |||
412 | goto pass2; | |||
413 | } | |||
414 | } | |||
415 | continue; | |||
416 | ||||
417 | case 'S': | |||
418 | cp = line+1; | |||
419 | fdev = 0; | |||
420 | while (*cp >= '0' && *cp <= '9') | |||
421 | fdev = fdev * 10 + (*cp++ - '0'); | |||
422 | cp++; | |||
423 | fino = 0; | |||
424 | while (*cp >= '0' && *cp <= '9') | |||
425 | fino = fino * 10 + (*cp++ - '0'); | |||
426 | continue; | |||
427 | ||||
428 | case 'J': | |||
429 | if (line[1] != '\0') | |||
430 | strlcpy(jobname, line+1, sizeof(jobname)); | |||
431 | else { | |||
432 | jobname[0] = ' '; | |||
433 | jobname[1] = '\0'; | |||
434 | } | |||
435 | continue; | |||
436 | ||||
437 | case 'C': | |||
438 | if (line[1] != '\0') | |||
439 | strlcpy(class, line+1, sizeof(class)); | |||
440 | else if (class[0] == '\0') | |||
441 | gethostname(class, sizeof(class)); | |||
442 | continue; | |||
443 | ||||
444 | case 'T': /* header title for pr */ | |||
445 | strlcpy(title, line+1, sizeof(title)); | |||
446 | continue; | |||
447 | ||||
448 | case 'L': /* identification line */ | |||
449 | if (!SH && !HL) | |||
450 | banner(line+1, jobname); | |||
451 | continue; | |||
452 | ||||
453 | case '1': /* troff fonts */ | |||
454 | case '2': | |||
455 | case '3': | |||
456 | case '4': | |||
457 | if (line[1] != '\0') | |||
458 | strlcpy(fonts[line[0]-'1'], line+1, FONTLEN50); | |||
459 | continue; | |||
460 | ||||
461 | case 'W': /* page width */ | |||
462 | strlcpy(width+2, line+1, sizeof(width) - 2); | |||
463 | continue; | |||
464 | ||||
465 | case 'I': /* indent amount */ | |||
466 | strlcpy(indent+2, line+1, sizeof(indent) - 2); | |||
467 | continue; | |||
468 | ||||
469 | default: /* some file to print */ | |||
470 | switch (i = print(line[0], line+1)) { | |||
471 | case ERROR-1: | |||
472 | if (bombed == OK0) | |||
473 | bombed = FATALERR1; | |||
474 | break; | |||
475 | case REPRINT-2: | |||
476 | (void)fclose(cfp); | |||
477 | return(REPRINT-2); | |||
478 | case FILTERERR3: | |||
479 | case ACCESS4: | |||
480 | bombed = i; | |||
481 | sendmail(logname, bombed); | |||
482 | } | |||
483 | title[0] = '\0'; | |||
484 | continue; | |||
485 | ||||
486 | case 'N': | |||
487 | case 'U': | |||
488 | case 'M': | |||
489 | case 'R': | |||
490 | continue; | |||
491 | } | |||
492 | ||||
493 | /* pass 2 */ | |||
494 | ||||
495 | pass2: | |||
496 | fseek(cfp, 0L, SEEK_SET0); | |||
497 | while (get_line(cfp)) | |||
498 | switch (line[0]) { | |||
499 | case 'L': /* identification line */ | |||
500 | if (!SH && HL) | |||
501 | banner(line+1, jobname); | |||
502 | continue; | |||
503 | ||||
504 | case 'M': | |||
505 | if (bombed < NOACCT2) /* already sent if >= NOACCT */ | |||
506 | sendmail(line+1, bombed); | |||
507 | continue; | |||
508 | ||||
509 | case 'U': | |||
510 | if (strchr(line+1, '/')) | |||
511 | continue; | |||
512 | (void)unlink(line+1); | |||
513 | } | |||
514 | /* | |||
515 | * clean-up in case another control file exists | |||
516 | */ | |||
517 | (void)fclose(cfp); | |||
518 | (void)unlink(file); | |||
519 | return(bombed == OK0 ? OK0 : ERROR-1); | |||
520 | } | |||
521 | ||||
522 | /* | |||
523 | * Print a file. | |||
524 | * Set up the chain [ PR [ | {IF, OF} ] ] or {IF, RF, TF, NF, DF, CF, VF}. | |||
525 | * Return -1 if a non-recoverable error occurred, | |||
526 | * 2 if the filter detected some errors (but printed the job anyway), | |||
527 | * 1 if we should try to reprint this job and | |||
528 | * 0 if all is well. | |||
529 | * Note: all filters take stdin as the file, stdout as the printer, | |||
530 | * stderr as the log file, and must not ignore SIGINT. | |||
531 | */ | |||
532 | static int | |||
533 | print(int format, char *file) | |||
534 | { | |||
535 | ssize_t nread; | |||
536 | struct stat stb; | |||
537 | pid_t pid; | |||
538 | char *prog, *av[17], buf[BUFSIZ1024]; | |||
539 | int fd, status, serrno; | |||
540 | int n, fi, fo, p[2], stopped = 0, nofile; | |||
541 | ||||
542 | if (fdev != (dev_t)-1 && fino != (ino_t)-1) { | |||
543 | /* symbolic link */ | |||
544 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
545 | fi = safe_open(file, O_RDONLY0x0000, 0); | |||
546 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
547 | if (fi != -1) { | |||
548 | /* | |||
549 | * The symbolic link should still point to the same file | |||
550 | * or someone is trying to print something he shouldn't. | |||
551 | */ | |||
552 | if (fstat(fi, &stb) == -1 || | |||
553 | stb.st_dev != fdev || stb.st_ino != fino) { | |||
554 | close(fi); | |||
555 | return(ACCESS4); | |||
556 | } | |||
557 | } | |||
558 | } else { | |||
559 | /* regular file */ | |||
560 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
561 | fi = safe_open(file, O_RDONLY0x0000|O_NOFOLLOW0x0100, 0); | |||
562 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
563 | } | |||
564 | if (fi == -1) | |||
565 | return(ERROR-1); | |||
566 | if (!SF && !tof) { /* start on a fresh page */ | |||
567 | (void)write(ofd, FF, strlen(FF)); | |||
568 | tof = 1; | |||
569 | } | |||
570 | if (IF == NULL((void *)0) && (format == 'f' || format == 'l' || format == 'o')) { | |||
571 | tof = 0; | |||
572 | while ((n = read(fi, buf, BUFSIZ1024)) > 0) | |||
573 | if (write(ofd, buf, n) != n) { | |||
574 | (void)close(fi); | |||
575 | return(REPRINT-2); | |||
576 | } | |||
577 | (void)close(fi); | |||
578 | return(OK0); | |||
579 | } | |||
580 | switch (format) { | |||
581 | case 'p': /* print file using 'pr' */ | |||
582 | if (IF == NULL((void *)0)) { /* use output filter */ | |||
583 | prog = _PATH_PR"/usr/bin/pr"; | |||
584 | av[0] = "pr"; | |||
585 | av[1] = width; | |||
586 | av[2] = length; | |||
587 | av[3] = "-h"; | |||
588 | av[4] = *title ? title : " "; | |||
589 | av[5] = NULL((void *)0); | |||
590 | fo = ofd; | |||
591 | goto start; | |||
592 | } | |||
593 | pipe(p); | |||
594 | if ((prchild = dofork(DORETURN0)) == 0) { /* child */ | |||
595 | dup2(fi, 0); /* file is stdin */ | |||
596 | dup2(p[1], 1); /* pipe is stdout */ | |||
597 | closelog(); | |||
598 | nofile = sysconf(_SC_OPEN_MAX5); | |||
599 | for (n = 3; n < nofile; n++) | |||
600 | (void)close(n); | |||
601 | execl(_PATH_PR"/usr/bin/pr", "pr", width, length, | |||
602 | "-h", *title ? title : " ", (char *)NULL((void *)0)); | |||
603 | syslog(LOG_ERR3, "cannot execl %s", _PATH_PR"/usr/bin/pr"); | |||
604 | exit(2); | |||
605 | } | |||
606 | (void)close(p[1]); /* close output side */ | |||
607 | (void)close(fi); | |||
608 | if (prchild < 0) { | |||
609 | prchild = 0; | |||
610 | (void)close(p[0]); | |||
611 | return(ERROR-1); | |||
612 | } | |||
613 | fi = p[0]; /* use pipe for input */ | |||
614 | case 'f': /* print plain text file */ | |||
615 | prog = IF; | |||
616 | av[1] = width; | |||
617 | av[2] = length; | |||
618 | av[3] = indent; | |||
619 | n = 4; | |||
620 | break; | |||
621 | case 'o': /* print postscript file */ | |||
622 | /* | |||
623 | * Treat this as a "plain file with control characters", and | |||
624 | * assume the standard LPF_INPUT filter will recognize that | |||
625 | * the data is postscript and know what to do with it. These | |||
626 | * 'o'-file requests could come from MacOS 10.1 systems. | |||
627 | * (later versions of MacOS 10 will explicitly use 'l') | |||
628 | * A postscript file can contain binary data, which is why 'l' | |||
629 | * is somewhat more appropriate than 'f'. | |||
630 | */ | |||
631 | /* FALLTHROUGH */ | |||
632 | case 'l': /* like 'f' but pass control characters */ | |||
633 | prog = IF; | |||
634 | av[1] = "-c"; | |||
635 | av[2] = width; | |||
636 | av[3] = length; | |||
637 | av[4] = indent; | |||
638 | n = 5; | |||
639 | break; | |||
640 | case 'r': /* print a fortran text file */ | |||
641 | prog = RF; | |||
642 | av[1] = width; | |||
643 | av[2] = length; | |||
644 | n = 3; | |||
645 | break; | |||
646 | case 't': /* print troff output */ | |||
647 | case 'n': /* print ditroff output */ | |||
648 | case 'd': /* print tex output */ | |||
649 | (void)unlink(".railmag"); | |||
650 | if ((fo = open(".railmag", O_CREAT0x0200|O_WRONLY0x0001|O_EXCL0x0800, FILMOD0660)) < 0) { | |||
651 | syslog(LOG_ERR3, "%s: cannot create .railmag", printer); | |||
652 | (void)unlink(".railmag"); | |||
653 | } else { | |||
654 | for (n = 0; n < 4; n++) { | |||
655 | if (fonts[n][0] != '/') | |||
656 | (void)write(fo, _PATH_VFONT"/usr/libdata/vfont/", | |||
657 | sizeof(_PATH_VFONT"/usr/libdata/vfont/") - 1); | |||
658 | (void)write(fo, fonts[n], strlen(fonts[n])); | |||
659 | (void)write(fo, "\n", 1); | |||
660 | } | |||
661 | (void)close(fo); | |||
662 | } | |||
663 | prog = (format == 't') ? TF : (format == 'n') ? NF : DF; | |||
664 | av[1] = pxwidth; | |||
665 | av[2] = pxlength; | |||
666 | n = 3; | |||
667 | break; | |||
668 | case 'c': /* print cifplot output */ | |||
669 | prog = CF; | |||
670 | av[1] = pxwidth; | |||
671 | av[2] = pxlength; | |||
672 | n = 3; | |||
673 | break; | |||
674 | case 'g': /* print plot(1G) output */ | |||
675 | prog = GF; | |||
676 | av[1] = pxwidth; | |||
677 | av[2] = pxlength; | |||
678 | n = 3; | |||
679 | break; | |||
680 | case 'v': /* print raster output */ | |||
681 | prog = VF; | |||
682 | av[1] = pxwidth; | |||
683 | av[2] = pxlength; | |||
684 | n = 3; | |||
685 | break; | |||
686 | default: | |||
687 | (void)close(fi); | |||
688 | syslog(LOG_ERR3, "%s: illegal format character '%c'", | |||
689 | printer, format); | |||
690 | return(ERROR-1); | |||
691 | } | |||
692 | if (prog == NULL((void *)0)) { | |||
693 | (void)close(fi); | |||
694 | syslog(LOG_ERR3, | |||
695 | "%s: no filter found in printcap for format character '%c'", | |||
696 | printer, format); | |||
697 | return(ERROR-1); | |||
698 | } | |||
699 | if ((av[0] = strrchr(prog, '/')) != NULL((void *)0)) | |||
700 | av[0]++; | |||
701 | else | |||
702 | av[0] = prog; | |||
703 | av[n++] = "-n"; | |||
704 | av[n++] = logname; | |||
705 | if (*jobname != '\0' && strcmp(jobname, " ") != 0) { | |||
706 | av[n++] = "-j"; | |||
707 | av[n++] = jobname; | |||
708 | } | |||
709 | av[n++] = "-h"; | |||
710 | av[n++] = fromhost; | |||
711 | av[n++] = AF; | |||
712 | av[n] = 0; | |||
713 | fo = pfd; | |||
714 | if (ofilter > 0) { /* stop output filter */ | |||
715 | write(ofd, "\031\1", 2); | |||
716 | while ((pid = waitpid((pid_t)-1, &status, WUNTRACED0x02)) > 0 | |||
717 | && pid != ofilter) | |||
718 | ; | |||
719 | if (WIFSTOPPED(status)(((status) & 0xff) == 0177) == 0) { | |||
720 | (void)close(fi); | |||
721 | syslog(LOG_WARNING4, | |||
722 | "%s: output filter died (retcode=%d termsig=%d)", | |||
723 | printer, WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff), WTERMSIG(status)(((status) & 0177))); | |||
724 | return(REPRINT-2); | |||
725 | } | |||
726 | stopped++; | |||
727 | } | |||
728 | start: | |||
729 | if ((child = dofork(DORETURN0)) == 0) { /* child */ | |||
730 | dup2(fi, 0); | |||
731 | dup2(fo, 1); | |||
732 | unlink(tempfile); | |||
733 | n = open(tempfile, O_WRONLY0x0001|O_CREAT0x0200|O_EXCL0x0800, 0664); | |||
734 | if (n >= 0) | |||
735 | dup2(n, 2); | |||
736 | closelog(); | |||
737 | nofile = sysconf(_SC_OPEN_MAX5); | |||
738 | for (n = 3; n < nofile; n++) | |||
739 | (void)close(n); | |||
740 | execv(prog, av); | |||
741 | syslog(LOG_ERR3, "cannot execv %s", prog); | |||
742 | _exit(2); | |||
743 | } | |||
744 | serrno = errno(*__errno()); | |||
745 | (void)close(fi); | |||
746 | errno(*__errno()) = serrno; | |||
747 | if (child < 0) { | |||
748 | child = prchild = tof = 0; | |||
749 | syslog(LOG_ERR3, "cannot start child process: %m"); | |||
750 | return (ERROR-1); | |||
751 | } | |||
752 | while ((pid = wait(&status)) > 0 && pid != child) | |||
753 | ; | |||
754 | child = 0; | |||
755 | prchild = 0; | |||
756 | if (stopped) { /* restart output filter */ | |||
757 | if (kill(ofilter, SIGCONT19) < 0) { | |||
758 | syslog(LOG_ERR3, "cannot restart output filter"); | |||
759 | exit(1); | |||
760 | } | |||
761 | } | |||
762 | tof = 0; | |||
763 | ||||
764 | /* Copy filter output to "lf" logfile */ | |||
765 | fd = safe_open(tempfile, O_RDONLY0x0000|O_NOFOLLOW0x0100, 0); | |||
766 | if (fd >= 0) { | |||
767 | while ((nread = read(fd, buf, sizeof(buf))) > 0) | |||
768 | (void)write(STDERR_FILENO2, buf, nread); | |||
769 | (void)close(fd); | |||
770 | } | |||
771 | ||||
772 | if (!WIFEXITED(status)(((status) & 0177) == 0)) { | |||
773 | syslog(LOG_WARNING4, "%s: filter '%c' terminated (termsig=%d)", | |||
774 | printer, format, WTERMSIG(status)(((status) & 0177))); | |||
775 | return(ERROR-1); | |||
776 | } | |||
777 | switch (WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff)) { | |||
778 | case 0: | |||
779 | tof = 1; | |||
780 | return(OK0); | |||
781 | case 1: | |||
782 | return(REPRINT-2); | |||
783 | case 2: | |||
784 | return(ERROR-1); | |||
785 | default: | |||
786 | syslog(LOG_WARNING4, "%s: filter '%c' exited (retcode=%d)", | |||
787 | printer, format, WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff)); | |||
788 | return(FILTERERR3); | |||
789 | } | |||
790 | } | |||
791 | ||||
792 | /* | |||
793 | * Send the daemon control file (cf) and any data files. | |||
794 | * Return -1 if a non-recoverable error occurred, 1 if a recoverable error and | |||
795 | * 0 if all is well. | |||
796 | */ | |||
797 | static int | |||
798 | sendit(char *file) | |||
799 | { | |||
800 | int fd, i, err = OK0; | |||
801 | char *cp, last[BUFSIZ1024]; | |||
802 | ||||
803 | /* open control file */ | |||
804 | fd = safe_open(file, O_RDONLY0x0000|O_NOFOLLOW0x0100, 0); | |||
805 | if (fd < 0 || (cfp = fdopen(fd, "r")) == NULL((void *)0)) | |||
806 | return(OK0); | |||
807 | /* | |||
808 | * read the control file for work to do | |||
809 | * | |||
810 | * file format -- first character in the line is a command | |||
811 | * rest of the line is the argument. | |||
812 | * commands of interest are: | |||
813 | * | |||
814 | * a-z -- "file name" name of file to print | |||
815 | * U -- "unlink" name of file to remove | |||
816 | * (after we print it. (Pass 2 only)). | |||
817 | */ | |||
818 | ||||
819 | /* | |||
820 | * pass 1 | |||
821 | */ | |||
822 | while (get_line(cfp)) { | |||
823 | again: | |||
824 | if (line[0] == 'S') { | |||
825 | cp = line+1; | |||
826 | fdev = 0; | |||
827 | while (*cp >= '0' && *cp <= '9') | |||
828 | fdev = fdev * 10 + (*cp++ - '0'); | |||
829 | cp++; | |||
830 | fino = 0; | |||
831 | while (*cp >= '0' && *cp <= '9') | |||
832 | fino = fino * 10 + (*cp++ - '0'); | |||
833 | continue; | |||
834 | } | |||
835 | if (line[0] >= 'a' && line[0] <= 'z') { | |||
836 | strlcpy(last, line, sizeof(last)); | |||
837 | while ((i = get_line(cfp)) != 0) | |||
838 | if (strcmp(last, line)) | |||
839 | break; | |||
840 | switch (sendfile('\3', last+1)) { | |||
841 | case OK0: | |||
842 | if (i) | |||
843 | goto again; | |||
844 | break; | |||
845 | case REPRINT-2: | |||
846 | (void)fclose(cfp); | |||
847 | return(REPRINT-2); | |||
848 | case ACCESS4: | |||
849 | sendmail(logname, ACCESS4); | |||
850 | case ERROR-1: | |||
851 | err = ERROR-1; | |||
852 | } | |||
853 | break; | |||
854 | } | |||
855 | } | |||
856 | if (err == OK0 && sendfile('\2', file) > 0) { | |||
857 | (void)fclose(cfp); | |||
858 | return(REPRINT-2); | |||
859 | } | |||
860 | /* | |||
861 | * pass 2 | |||
862 | */ | |||
863 | fseek(cfp, 0L, SEEK_SET0); | |||
864 | while (get_line(cfp)) | |||
865 | if (line[0] == 'U' && strchr(line+1, '/') == 0) | |||
866 | (void)unlink(line+1); | |||
867 | /* | |||
868 | * clean-up in case another control file exists | |||
869 | */ | |||
870 | (void)fclose(cfp); | |||
871 | (void)unlink(file); | |||
872 | return(err); | |||
873 | } | |||
874 | ||||
875 | /* | |||
876 | * Send a data file to the remote machine and spool it. | |||
877 | * Return positive if we should try resending. | |||
878 | */ | |||
879 | static int | |||
880 | sendfile(int type, char *file) | |||
881 | { | |||
882 | int f, i, amt; | |||
883 | struct stat stb; | |||
884 | char buf[BUFSIZ1024]; | |||
885 | int sizerr, resp; | |||
886 | ||||
887 | if (fdev != (dev_t)-1 && fino != (ino_t)-1) { | |||
888 | /* symbolic link */ | |||
889 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
890 | f = safe_open(file, O_RDONLY0x0000, 0); | |||
891 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
892 | if (f != -1) { | |||
893 | /* | |||
894 | * The symbolic link should still point to the same file | |||
895 | * or someone is trying to print something he shouldn't. | |||
896 | */ | |||
897 | if (fstat(f, &stb) == -1 || | |||
898 | stb.st_dev != fdev || stb.st_ino != fino) { | |||
899 | close(f); | |||
900 | return(ACCESS4); | |||
901 | } | |||
902 | } | |||
903 | } else { | |||
904 | /* regular file */ | |||
905 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
906 | f = safe_open(file, O_RDONLY0x0000|O_NOFOLLOW0x0100, 0); | |||
907 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
908 | if (fstat(f, &stb) == -1) { | |||
909 | close(f); | |||
910 | f = -1; | |||
911 | } | |||
912 | } | |||
913 | if (f == -1) | |||
914 | return(ERROR-1); | |||
915 | if ((amt = snprintf(buf, sizeof(buf), "%c%lld %s\n", type, | |||
916 | (long long)stb.st_size, file)) < 0 || amt >= sizeof(buf)) | |||
917 | return (ACCESS4); /* XXX hack */ | |||
918 | for (i = 0; ; i++) { | |||
919 | if (write(pfd, buf, amt) != amt || | |||
920 | (resp = response()) < 0 || resp == '\1') { | |||
921 | (void)close(f); | |||
922 | return(REPRINT-2); | |||
923 | } else if (resp == '\0') | |||
924 | break; | |||
925 | if (i == 0) | |||
926 | pstatus("no space on remote; waiting for queue to drain"); | |||
927 | if (i == 10) | |||
928 | syslog(LOG_ALERT1, "%s: can't send to %s; queue full", | |||
929 | printer, RM); | |||
930 | sleep(5 * 60); | |||
931 | } | |||
932 | if (i) | |||
933 | pstatus("sending to %s", RM); | |||
934 | sizerr = 0; | |||
935 | for (i = 0; i < stb.st_size; i += BUFSIZ1024) { | |||
936 | struct sigaction osa, nsa; | |||
937 | ||||
938 | amt = BUFSIZ1024; | |||
939 | if (i + amt > stb.st_size) | |||
940 | amt = stb.st_size - i; | |||
941 | if (sizerr == 0 && read(f, buf, amt) != amt) | |||
942 | sizerr = 1; | |||
943 | memset(&nsa, 0, sizeof(nsa)); | |||
944 | nsa.sa_handler__sigaction_u.__sa_handler = alarmer; | |||
945 | sigemptyset(&nsa.sa_mask); | |||
946 | nsa.sa_flags = 0; | |||
947 | (void)sigaction(SIGALRM14, &nsa, &osa); | |||
948 | alarm(wait_time); | |||
949 | if (write(pfd, buf, amt) != amt) { | |||
950 | alarm(0); | |||
951 | (void)sigaction(SIGALRM14, &osa, NULL((void *)0)); | |||
952 | (void)close(f); | |||
953 | return(REPRINT-2); | |||
954 | } | |||
955 | alarm(0); | |||
956 | (void)sigaction(SIGALRM14, &osa, NULL((void *)0)); | |||
957 | } | |||
958 | ||||
959 | (void)close(f); | |||
960 | if (sizerr) { | |||
961 | syslog(LOG_INFO6, "%s: %s: changed size", printer, file); | |||
962 | /* tell recvjob to ignore this file */ | |||
963 | (void)write(pfd, "\1", 1); | |||
964 | return(ERROR-1); | |||
965 | } | |||
966 | if (write(pfd, "", 1) != 1 || response()) | |||
967 | return(REPRINT-2); | |||
968 | return(OK0); | |||
969 | } | |||
970 | ||||
971 | /* | |||
972 | * Check to make sure there have been no errors and that both programs | |||
973 | * are in sync with eachother. | |||
974 | * Return non-zero if the connection was lost. | |||
975 | */ | |||
976 | static char | |||
977 | response(void) | |||
978 | { | |||
979 | struct sigaction osa, nsa; | |||
980 | char resp; | |||
981 | ||||
982 | memset(&nsa, 0, sizeof(nsa)); | |||
983 | nsa.sa_handler__sigaction_u.__sa_handler = alarmer; | |||
984 | sigemptyset(&nsa.sa_mask); | |||
985 | nsa.sa_flags = 0; | |||
986 | (void)sigaction(SIGALRM14, &nsa, &osa); | |||
987 | alarm(wait_time); | |||
988 | if (read(pfd, &resp, 1) != 1) { | |||
989 | syslog(LOG_INFO6, "%s: lost connection", printer); | |||
990 | resp = -1; | |||
991 | } | |||
992 | alarm(0); | |||
993 | (void)sigaction(SIGALRM14, &osa, NULL((void *)0)); | |||
994 | return (resp); | |||
995 | } | |||
996 | ||||
997 | /* | |||
998 | * Banner printing stuff | |||
999 | */ | |||
1000 | static void | |||
1001 | banner(char *name1, char *name2) | |||
1002 | { | |||
1003 | time_t tvec; | |||
1004 | ||||
1005 | time(&tvec); | |||
1006 | if (!SF && !tof) | |||
1007 | (void)write(ofd, FF, strlen(FF)); | |||
1008 | if (SB) { /* short banner only */ | |||
1009 | if (class[0]) { | |||
1010 | (void)write(ofd, class, strlen(class)); | |||
1011 | (void)write(ofd, ":", 1); | |||
1012 | } | |||
1013 | (void)write(ofd, name1, strlen(name1)); | |||
1014 | (void)write(ofd, " Job: ", 7); | |||
1015 | (void)write(ofd, name2, strlen(name2)); | |||
1016 | (void)write(ofd, " Date: ", 8); | |||
1017 | (void)write(ofd, ctime(&tvec), 24); | |||
1018 | (void)write(ofd, "\n", 1); | |||
1019 | } else { /* normal banner */ | |||
1020 | (void)write(ofd, "\n\n\n", 3); | |||
1021 | scan_out(ofd, name1, '\0'); | |||
1022 | (void)write(ofd, "\n\n", 2); | |||
1023 | scan_out(ofd, name2, '\0'); | |||
1024 | if (class[0]) { | |||
1025 | (void)write(ofd, "\n\n\n", 3); | |||
1026 | scan_out(ofd, class, '\0'); | |||
1027 | } | |||
1028 | (void)write(ofd, "\n\n\n\n\t\t\t\t\tJob: ", 15); | |||
1029 | (void)write(ofd, name2, strlen(name2)); | |||
1030 | (void)write(ofd, "\n\t\t\t\t\tDate: ", 12); | |||
1031 | (void)write(ofd, ctime(&tvec), 24); | |||
1032 | (void)write(ofd, "\n", 1); | |||
1033 | } | |||
1034 | if (!SF) | |||
1035 | (void)write(ofd, FF, strlen(FF)); | |||
1036 | tof = 1; | |||
1037 | } | |||
1038 | ||||
1039 | static char * | |||
1040 | scnline(int key, char *p, int c) | |||
1041 | { | |||
1042 | int scnwidth; | |||
1043 | ||||
1044 | for (scnwidth = WIDTH8; --scnwidth;) { | |||
1045 | key <<= 1; | |||
1046 | *p++ = key & 0200 ? c : BACKGND' '; | |||
1047 | } | |||
1048 | return (p); | |||
1049 | } | |||
1050 | ||||
1051 | #define TRC(q)(((q)-' ')&0177) (((q)-' ')&0177) | |||
1052 | ||||
1053 | static void | |||
1054 | scan_out(int scfd, char *scsp, int dlm) | |||
1055 | { | |||
1056 | char *strp; | |||
1057 | int nchrs, j; | |||
1058 | char outbuf[LINELEN132+1], *sp, c, cc; | |||
1059 | int d, scnhgt; | |||
1060 | extern char scnkey[][HEIGHT9]; /* in lpdchar.c */ | |||
1061 | ||||
1062 | for (scnhgt = 0; scnhgt++ < HEIGHT9+DROP3; ) { | |||
1063 | strp = &outbuf[0]; | |||
1064 | sp = scsp; | |||
1065 | for (nchrs = 0; ; ) { | |||
1066 | d = dropit(c = TRC(cc = *sp++)(((cc = *sp++)-' ')&0177)); | |||
1067 | if ((!d && scnhgt > HEIGHT9) || (scnhgt <= DROP3 && d)) | |||
1068 | for (j = WIDTH8; --j;) | |||
1069 | *strp++ = BACKGND' '; | |||
1070 | else | |||
1071 | strp = scnline(scnkey[(int)c][scnhgt-1-d], | |||
1072 | strp, cc); | |||
1073 | if (*sp == dlm || *sp == '\0' || | |||
1074 | nchrs++ >= PW/(WIDTH8+1)-1) | |||
1075 | break; | |||
1076 | *strp++ = BACKGND' '; | |||
1077 | *strp++ = BACKGND' '; | |||
1078 | } | |||
1079 | while (*--strp == BACKGND' ' && strp >= outbuf) | |||
1080 | ; | |||
1081 | strp++; | |||
1082 | *strp++ = '\n'; | |||
1083 | (void)write(scfd, outbuf, strp-outbuf); | |||
1084 | } | |||
1085 | } | |||
1086 | ||||
1087 | static int | |||
1088 | dropit(int c) | |||
1089 | { | |||
1090 | switch(c) { | |||
1091 | ||||
1092 | case TRC('_')((('_')-' ')&0177): | |||
1093 | case TRC(';')(((';')-' ')&0177): | |||
1094 | case TRC(',')(((',')-' ')&0177): | |||
1095 | case TRC('g')((('g')-' ')&0177): | |||
1096 | case TRC('j')((('j')-' ')&0177): | |||
1097 | case TRC('p')((('p')-' ')&0177): | |||
1098 | case TRC('q')((('q')-' ')&0177): | |||
1099 | case TRC('y')((('y')-' ')&0177): | |||
1100 | return (DROP3); | |||
1101 | ||||
1102 | default: | |||
1103 | return (0); | |||
1104 | } | |||
1105 | } | |||
1106 | ||||
1107 | /* | |||
1108 | * sendmail --- | |||
1109 | * tell people about job completion | |||
1110 | */ | |||
1111 | static void | |||
1112 | sendmail(char *user, int bombed) | |||
1113 | { | |||
1114 | int i, p[2], s, nofile; | |||
1115 | char *cp = NULL((void *)0); | |||
1116 | struct stat stb; | |||
1117 | FILE *fp; | |||
1118 | ||||
1119 | if (user[0] == '-' || user[0] == '/' || !isprint((unsigned char)user[0])) | |||
1120 | return; | |||
1121 | pipe(p); | |||
1122 | if ((s = dofork(DORETURN0)) == 0) { /* child */ | |||
1123 | dup2(p[0], 0); | |||
1124 | closelog(); | |||
1125 | nofile = sysconf(_SC_OPEN_MAX5); | |||
1126 | for (i = 3; i < nofile; i++) | |||
1127 | (void)close(i); | |||
1128 | if ((cp = strrchr(_PATH_SENDMAIL"/usr/sbin/sendmail", '/')) != NULL((void *)0)) | |||
1129 | cp++; | |||
1130 | else | |||
1131 | cp = _PATH_SENDMAIL"/usr/sbin/sendmail"; | |||
1132 | execl(_PATH_SENDMAIL"/usr/sbin/sendmail", cp, "-t", (char *)NULL((void *)0)); | |||
1133 | _exit(0); | |||
1134 | } else if (s > 0) { /* parent */ | |||
1135 | dup2(p[1], 1); | |||
1136 | printf("Auto-Submitted: auto-generated\n"); | |||
1137 | printf("To: %s@%s\n", user, fromhost); | |||
1138 | printf("Subject: %s printer job \"%s\"\n", printer, | |||
1139 | *jobname ? jobname : "<unknown>"); | |||
1140 | printf("Reply-To: root@%s\n\n", host); | |||
1141 | printf("Your printer job "); | |||
1142 | if (*jobname) | |||
1143 | printf("(%s) ", jobname); | |||
1144 | switch (bombed) { | |||
1145 | case OK0: | |||
1146 | printf("\ncompleted successfully\n"); | |||
1147 | cp = "OK"; | |||
1148 | break; | |||
1149 | default: | |||
1150 | case FATALERR1: | |||
1151 | printf("\ncould not be printed\n"); | |||
1152 | cp = "FATALERR"; | |||
1153 | break; | |||
1154 | case NOACCT2: | |||
1155 | printf("\ncould not be printed without an account on %s\n", host); | |||
1156 | cp = "NOACCT"; | |||
1157 | break; | |||
1158 | case FILTERERR3: | |||
1159 | cp = "FILTERERR"; | |||
1160 | if (stat(tempfile, &stb) < 0 || stb.st_size == 0 || | |||
1161 | (fp = fopen(tempfile, "r")) == NULL((void *)0)) { | |||
1162 | printf("\nhad some errors and may not have printed\n"); | |||
1163 | break; | |||
1164 | } | |||
1165 | printf("\nhad the following errors and may not have printed:\n"); | |||
1166 | while ((i = getc(fp)(!__isthreaded ? (--(fp)->_r < 0 ? __srget(fp) : (int)( *(fp)->_p++)) : (getc)(fp))) != EOF(-1)) | |||
1167 | putchar(i)(!__isthreaded ? __sputc(i, (&__sF[1])) : (putc)(i, (& __sF[1]))); | |||
1168 | (void)fclose(fp); | |||
1169 | break; | |||
1170 | case ACCESS4: | |||
1171 | printf("\nwas not printed because it was not linked to the original file\n"); | |||
1172 | cp = "ACCESS"; | |||
1173 | } | |||
1174 | fflush(stdout(&__sF[1])); | |||
1175 | (void)close(1); | |||
1176 | } else { | |||
1177 | syslog(LOG_ERR3, "fork for sendmail failed: %m"); | |||
1178 | } | |||
1179 | (void)close(p[0]); | |||
1180 | (void)close(p[1]); | |||
1181 | if (s != -1) { | |||
1182 | wait(NULL((void *)0)); | |||
1183 | syslog(LOG_INFO6, | |||
1184 | "mail sent to user %s about job %s on printer %s (%s)", | |||
1185 | user, *jobname ? jobname : "<unknown>", printer, cp); | |||
1186 | } | |||
1187 | } | |||
1188 | ||||
1189 | /* sleep n milliseconds */ | |||
1190 | static void | |||
1191 | delay(int n) | |||
1192 | { | |||
1193 | struct timespec tdelay; | |||
1194 | ||||
1195 | if (n <= 0 || n > 10000) | |||
1196 | fatal("unreasonable delay period (%d)", n); | |||
1197 | tdelay.tv_sec = n / 1000; | |||
1198 | tdelay.tv_nsec = n * 1000000 % 1000000000; | |||
1199 | nanosleep(&tdelay, NULL((void *)0)); | |||
1200 | } | |||
1201 | ||||
1202 | /* | |||
1203 | * dofork - fork with retries on failure | |||
1204 | */ | |||
1205 | static pid_t | |||
1206 | dofork(int action) | |||
1207 | { | |||
1208 | struct passwd *pw; | |||
1209 | pid_t pid; | |||
1210 | int i; | |||
1211 | ||||
1212 | for (i = 0; i < 20; i++) { | |||
1213 | if ((pid = fork()) < 0) { | |||
1214 | sleep((unsigned)(i*i)); | |||
1215 | continue; | |||
1216 | } | |||
1217 | /* | |||
1218 | * Child should run as daemon instead of root | |||
1219 | */ | |||
1220 | if (pid == 0) { | |||
1221 | (void)close(lfd); | |||
1222 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
1223 | pw = getpwuid(DU); | |||
1224 | if (pw == 0) { | |||
1225 | syslog(LOG_ERR3, "uid %ld not in password file", | |||
1226 | DU); | |||
1227 | break; | |||
1228 | } | |||
1229 | initgroups(pw->pw_name, pw->pw_gid); | |||
1230 | setgid(pw->pw_gid); | |||
1231 | setlogin(""); | |||
1232 | setuid(DU); | |||
1233 | } | |||
1234 | return (pid); | |||
1235 | } | |||
1236 | syslog(LOG_ERR3, "can't fork"); | |||
1237 | ||||
1238 | switch (action) { | |||
1239 | case DORETURN0: | |||
1240 | return (-1); | |||
1241 | default: | |||
1242 | syslog(LOG_ERR3, "bad action (%d) to dofork", action); | |||
1243 | /*FALL THRU*/ | |||
1244 | case DOABORT1: | |||
1245 | exit(1); | |||
1246 | } | |||
1247 | /*NOTREACHED*/ | |||
1248 | } | |||
1249 | ||||
1250 | /* | |||
1251 | * Kill child processes to abort current job. | |||
1252 | */ | |||
1253 | static void | |||
1254 | abortpr(int signo) | |||
1255 | { | |||
1256 | (void)close(lfd); | |||
1257 | (void)unlink(tempfile); | |||
1258 | (void)kill(0, SIGINT2); | |||
1259 | if (ofilter > 0) | |||
1260 | kill(ofilter, SIGCONT19); | |||
1261 | while (wait(NULL((void *)0)) > 0) | |||
1262 | ; | |||
1263 | _exit(0); | |||
1264 | } | |||
1265 | ||||
1266 | static void | |||
1267 | init(void) | |||
1268 | { | |||
1269 | int status; | |||
1270 | char *s; | |||
1271 | ||||
1272 | PRIV_STARTdo { int save_errno = (*__errno()); (void)seteuid(effective_uid ); (void)setegid(effective_gid); (*__errno()) = save_errno; } while (0); | |||
1273 | status = cgetent(&bp, printcapdb, printer); | |||
1274 | PRIV_ENDdo { int save_errno = (*__errno()); (void)setegid(real_gid); ( void)seteuid(real_uid); (*__errno()) = save_errno; } while (0 ); | |||
1275 | ||||
1276 | switch (status) { | |||
1277 | case -1: | |||
1278 | syslog(LOG_ERR3, "unknown printer: %s", printer); | |||
1279 | exit(1); | |||
1280 | case -2: | |||
1281 | syslog(LOG_ERR3, "can't open printer description file"); | |||
1282 | exit(1); | |||
1283 | case -3: | |||
1284 | fatal("potential reference loop detected in printcap file"); | |||
1285 | default: | |||
1286 | break; | |||
1287 | } | |||
1288 | ||||
1289 | if (cgetstr(bp, DEFLP"lp", &LP) == -1) | |||
1290 | LP = _PATH_DEFDEVLP"/dev/lp"; | |||
1291 | if (cgetstr(bp, "rp", &RP) == -1) | |||
1292 | RP = DEFLP"lp"; | |||
1293 | if (cgetstr(bp, "lo", &LO) == -1) | |||
1294 | LO = DEFLOCK"lock"; | |||
1295 | if (cgetstr(bp, "st", &ST) == -1) | |||
1296 | ST = DEFSTAT"status"; | |||
1297 | if (cgetstr(bp, "lf", &LF) == -1) | |||
1298 | LF = _PATH_CONSOLE"/dev/console"; | |||
1299 | if (cgetstr(bp, "sd", &SD) == -1) | |||
1300 | SD = _PATH_DEFSPOOL"/var/spool/output/lpd"; | |||
1301 | if (cgetnum(bp, "du", &DU) < 0) | |||
1302 | DU = DEFUID1; | |||
1303 | if (cgetstr(bp, "ff", &FF) == -1) | |||
1304 | FF = DEFFF"\f"; | |||
1305 | if (cgetnum(bp, "pw", &PW) < 0) | |||
1306 | PW = DEFWIDTH132; | |||
1307 | (void)snprintf(&width[2], sizeof(width) - 2, "%ld", PW); | |||
1308 | if (cgetnum(bp, "pl", &PL) < 0) | |||
1309 | PL = DEFLENGTH66; | |||
1310 | (void)snprintf(&length[2], sizeof(length) - 2, "%ld", PL); | |||
1311 | if (cgetnum(bp, "px", &PX) < 0) | |||
1312 | PX = 0; | |||
1313 | (void)snprintf(&pxwidth[2], sizeof(pxwidth) - 2, "%ld", PX); | |||
1314 | if (cgetnum(bp, "py", &PY) < 0) | |||
1315 | PY = 0; | |||
1316 | (void)snprintf(&pxlength[2], sizeof(pxlength) - 2, "%ld", PY); | |||
1317 | cgetstr(bp, "rm", &RM); | |||
1318 | if ((s = checkremote()) != NULL((void *)0)) | |||
1319 | syslog(LOG_WARNING4, "%s", s); | |||
1320 | ||||
1321 | cgetstr(bp, "af", &AF); | |||
1322 | cgetstr(bp, "of", &OF); | |||
1323 | cgetstr(bp, "if", &IF); | |||
1324 | cgetstr(bp, "rf", &RF); | |||
1325 | cgetstr(bp, "tf", &TF); | |||
1326 | cgetstr(bp, "nf", &NF); | |||
1327 | cgetstr(bp, "df", &DF); | |||
1328 | cgetstr(bp, "gf", &GF); | |||
1329 | cgetstr(bp, "vf", &VF); | |||
1330 | cgetstr(bp, "cf", &CF); | |||
1331 | cgetstr(bp, "tr", &TR); | |||
1332 | ||||
1333 | RS = (cgetcap(bp, "rs", ':') != NULL((void *)0)); | |||
1334 | SF = (cgetcap(bp, "sf", ':') != NULL((void *)0)); | |||
1335 | SH = (cgetcap(bp, "sh", ':') != NULL((void *)0)); | |||
1336 | SB = (cgetcap(bp, "sb", ':') != NULL((void *)0)); | |||
1337 | HL = (cgetcap(bp, "hl", ':') != NULL((void *)0)); | |||
1338 | RW = (cgetcap(bp, "rw", ':') != NULL((void *)0)); | |||
1339 | ||||
1340 | cgetnum(bp, "br", &BR); | |||
1341 | cgetstr(bp, "ms", &MS); | |||
1342 | ||||
1343 | tof = (cgetcap(bp, "fo", ':') == NULL((void *)0)); | |||
1344 | } | |||
1345 | ||||
1346 | /* | |||
1347 | * Acquire line printer or remote connection. | |||
1348 | * XXX - should push down privs in here | |||
1349 | */ | |||
1350 | static void | |||
1351 | openpr(void) | |||
1352 | { | |||
1353 | int i, nofile; | |||
1354 | char *cp; | |||
1355 | extern int rflag; | |||
1356 | ||||
1357 | if (!remote && *LP) { | |||
1358 | if ((cp = strchr(LP, '@'))) | |||
1359 | opennet(cp); | |||
1360 | else | |||
1361 | opentty(); | |||
1362 | } else if (remote) { | |||
1363 | openrem(); | |||
1364 | } else { | |||
1365 | syslog(LOG_ERR3, "%s: no line printer device or host name", | |||
1366 | printer); | |||
1367 | exit(1); | |||
1368 | } | |||
1369 | ||||
1370 | /* | |||
1371 | * Start up an output filter, if needed. | |||
1372 | */ | |||
1373 | if ((!remote || rflag) && OF) { | |||
1374 | int p[2]; | |||
1375 | ||||
1376 | pipe(p); | |||
1377 | if ((ofilter = dofork(DOABORT1)) == 0) { /* child */ | |||
1378 | dup2(p[0], 0); /* pipe is std in */ | |||
1379 | dup2(pfd, 1); /* printer is std out */ | |||
1380 | closelog(); | |||
1381 | nofile = sysconf(_SC_OPEN_MAX5); | |||
1382 | for (i = 3; i < nofile; i++) | |||
1383 | (void)close(i); | |||
1384 | if ((cp = strrchr(OF, '/')) == NULL((void *)0)) | |||
1385 | cp = OF; | |||
1386 | else | |||
1387 | cp++; | |||
1388 | execl(OF, cp, width, length, (char *)NULL((void *)0)); | |||
1389 | syslog(LOG_ERR3, "%s: %s: %m", printer, OF); | |||
1390 | exit(1); | |||
1391 | } | |||
1392 | (void)close(p[0]); /* close input side */ | |||
1393 | ofd = p[1]; /* use pipe for output */ | |||
1394 | } else { | |||
1395 | ofd = pfd; | |||
1396 | ofilter = 0; | |||
1397 | } | |||
1398 | } | |||
1399 | ||||
1400 | /* | |||
1401 | * Printer connected directly to the network | |||
1402 | * or to a terminal server on the net | |||
1403 | */ | |||
1404 | static void | |||
1405 | opennet(char *cp) | |||
1406 | { | |||
1407 | int i; | |||
1408 | int resp, port; | |||
1409 | char save_ch; | |||
1410 | ||||
1411 | save_ch = *cp; | |||
1412 | *cp = '\0'; | |||
1413 | port = atoi(LP); | |||
1414 | if (port <= 0) { | |||
1415 | syslog(LOG_ERR3, "%s: bad port number: %s", printer, LP); | |||
1416 | exit(1); | |||
1417 | } | |||
1418 | *cp++ = save_ch; | |||
1419 | ||||
1420 | for (i = 1; ; i = i < 256 ? i << 1 : i) { | |||
1421 | resp = -1; | |||
1422 | pfd = getport(cp, port); | |||
1423 | if (pfd < 0 && errno(*__errno()) == ECONNREFUSED61) | |||
1424 | resp = 1; | |||
1425 | else if (pfd >= 0) { | |||
1426 | /* | |||
1427 | * need to delay a bit for rs232 lines | |||
1428 | * to stabilize in case printer is | |||
1429 | * connected via a terminal server | |||
1430 | */ | |||
1431 | delay(500); | |||
1432 | break; | |||
1433 | } | |||
1434 | if (i == 1) { | |||
1435 | if (resp < 0) | |||
1436 | pstatus("waiting for %s to come up", LP); | |||
1437 | else | |||
1438 | pstatus("waiting for access to printer on %s", LP); | |||
1439 | } | |||
1440 | sleep(i); | |||
1441 | } | |||
1442 | pstatus("sending to %s port %d", cp, port); | |||
1443 | } | |||
1444 | ||||
1445 | /* | |||
1446 | * Printer is connected to an RS232 port on this host | |||
1447 | */ | |||
1448 | static void | |||
1449 | opentty(void) | |||
1450 | { | |||
1451 | int i; | |||
1452 | ||||
1453 | for (i = 1; ; i = i < 32 ? i << 1 : i) { | |||
1454 | pfd = open(LP, RW ? O_RDWR0x0002 : O_WRONLY0x0001); | |||
1455 | if (pfd >= 0) { | |||
1456 | delay(500); | |||
1457 | break; | |||
1458 | } | |||
1459 | if (errno(*__errno()) == ENOENT2) { | |||
1460 | syslog(LOG_ERR3, "%s: %m", LP); | |||
1461 | exit(1); | |||
1462 | } | |||
1463 | if (i == 1) | |||
1464 | pstatus("waiting for %s to become ready (offline ?)", | |||
1465 | printer); | |||
1466 | sleep(i); | |||
1467 | } | |||
1468 | if (isatty(pfd)) | |||
1469 | setty(); | |||
1470 | pstatus("%s is ready and printing", printer); | |||
1471 | } | |||
1472 | ||||
1473 | /* | |||
1474 | * Printer is on a remote host | |||
1475 | */ | |||
1476 | static void | |||
1477 | openrem(void) | |||
1478 | { | |||
1479 | int i, n; | |||
1480 | int resp; | |||
1481 | ||||
1482 | for (i = 1; ; i = i < 256 ? i << 1 : i) { | |||
1483 | resp = -1; | |||
1484 | pfd = getport(RM, 0); | |||
1485 | if (pfd >= 0) { | |||
1486 | if ((n = snprintf(line, sizeof(line), "\2%s\n", RP)) < 0 || | |||
1487 | n >= sizeof(line)) | |||
1488 | n = sizeof(line) - 1; | |||
1489 | if (write(pfd, line, n) == n && | |||
1490 | (resp = response()) == '\0') | |||
1491 | break; | |||
1492 | (void)close(pfd); | |||
1493 | } | |||
1494 | if (i == 1) { | |||
1495 | if (resp < 0) | |||
1496 | pstatus("waiting for %s to come up", RM); | |||
1497 | else { | |||
1498 | pstatus("waiting for queue to be enabled on %s", | |||
1499 | RM); | |||
1500 | i = 256; | |||
1501 | } | |||
1502 | } | |||
1503 | sleep(i); | |||
1504 | } | |||
1505 | pstatus("sending to %s", RM); | |||
1506 | } | |||
1507 | ||||
1508 | static void | |||
1509 | alarmer(int s) | |||
1510 | { | |||
1511 | /* nothing */ | |||
1512 | } | |||
1513 | ||||
1514 | /* | |||
1515 | * setup tty lines. | |||
1516 | */ | |||
1517 | static void | |||
1518 | setty(void) | |||
1519 | { | |||
1520 | struct info i; | |||
1521 | char **argv, **ap, **ep, *p, *val; | |||
1522 | ||||
1523 | i.fd = pfd; | |||
1524 | i.set = i.wset = 0; | |||
1525 | if (ioctl(i.fd, TIOCEXCL((unsigned long)0x20000000 | ((0 & 0x1fff) << 16) | ((('t')) << 8) | ((13))), (char *)0) < 0) { | |||
1526 | syslog(LOG_ERR3, "%s: ioctl(TIOCEXCL): %m", printer); | |||
1527 | exit(1); | |||
1528 | } | |||
1529 | if (tcgetattr(i.fd, &i.t) < 0) { | |||
1530 | syslog(LOG_ERR3, "%s: tcgetattr: %m", printer); | |||
1531 | exit(1); | |||
1532 | } | |||
1533 | if (BR > 0) { | |||
1534 | cfsetspeed(&i.t, BR); | |||
1535 | i.set = 1; | |||
1536 | } | |||
1537 | if (MS) { | |||
1538 | if (ioctl(i.fd, TIOCGETD((unsigned long)0x40000000 | ((sizeof(int) & 0x1fff) << 16) | ((('t')) << 8) | ((26))), &i.ldisc) < 0) { | |||
1539 | syslog(LOG_ERR3, "%s: ioctl(TIOCGETD): %m", printer); | |||
1540 | exit(1); | |||
1541 | } | |||
1542 | if (ioctl(i.fd, TIOCGWINSZ((unsigned long)0x40000000 | ((sizeof(struct winsize) & 0x1fff ) << 16) | ((('t')) << 8) | ((104))), &i.win) < 0) | |||
1543 | syslog(LOG_INFO6, "%s: ioctl(TIOCGWINSZ): %m", | |||
1544 | printer); | |||
1545 | ||||
1546 | argv = calloc(256, sizeof(char *)); | |||
1547 | if (argv == NULL((void *)0)) { | |||
1548 | syslog(LOG_ERR3, "%s: malloc: %m", printer); | |||
1549 | exit(1); | |||
1550 | } | |||
1551 | p = strdup(MS); | |||
1552 | ap = argv; | |||
1553 | ep = argv + 255; | |||
1554 | while ((val = strsep(&p, " \t,")) != NULL((void *)0)) { | |||
1555 | if ((*ap++ = strdup(val)) == NULL((void *)0)) { | |||
1556 | syslog(LOG_ERR3, "%s: strdup: %m", printer); | |||
1557 | exit(1); | |||
1558 | } | |||
1559 | if (ap
| |||
1560 | syslog(LOG_ERR3, "%s: too many \"ms\" entries", | |||
1561 | printer); | |||
1562 | exit(1); | |||
1563 | } | |||
1564 | } | |||
1565 | *ap = NULL((void *)0); | |||
| ||||
1566 | ||||
1567 | for (; *argv; ++argv) { | |||
1568 | if (ksearch(&argv, &i)) | |||
1569 | continue; | |||
1570 | if (msearch(&argv, &i)) | |||
1571 | continue; | |||
1572 | syslog(LOG_INFO6, "%s: unknown stty flag: %s", | |||
1573 | printer, *argv); | |||
1574 | } | |||
1575 | } | |||
1576 | ||||
1577 | if (i.set && tcsetattr(i.fd, TCSANOW0, &i.t) < 0) { | |||
1578 | syslog(LOG_ERR3, "%s: tcsetattr: %m", printer); | |||
1579 | exit(1); | |||
1580 | } | |||
1581 | if (i.wset && ioctl(i.fd, TIOCSWINSZ((unsigned long)0x80000000 | ((sizeof(struct winsize) & 0x1fff ) << 16) | ((('t')) << 8) | ((103))), &i.win) < 0) | |||
1582 | syslog(LOG_INFO6, "%s: ioctl(TIOCSWINSZ): %m", printer); | |||
1583 | return; | |||
1584 | } | |||
1585 | ||||
1586 | static void | |||
1587 | pstatus(const char *msg, ...) | |||
1588 | { | |||
1589 | int fd, len; | |||
1590 | char buf[BUFSIZ1024]; | |||
1591 | va_list ap; | |||
1592 | ||||
1593 | va_start(ap, msg)__builtin_va_start((ap), msg); | |||
1594 | umask(0); | |||
1595 | fd = open(ST, O_WRONLY0x0001|O_CREAT0x0200|O_NOFOLLOW0x0100|O_EXLOCK0x0020, 0660); | |||
1596 | if (fd < 0) { | |||
1597 | syslog(LOG_ERR3, "%s: %s: %m", printer, ST); | |||
1598 | exit(1); | |||
1599 | } | |||
1600 | ftruncate(fd, 0); | |||
1601 | len = vsnprintf(buf, sizeof(buf), msg, ap); | |||
1602 | va_end(ap)__builtin_va_end((ap)); | |||
1603 | if (len < 0) { | |||
1604 | (void)close(fd); | |||
1605 | return; | |||
1606 | } | |||
1607 | if (len >= sizeof(buf)) | |||
1608 | len = sizeof(buf) - 1; | |||
1609 | buf[len++] = '\n'; /* replace NUL with newline */ | |||
1610 | (void)write(fd, buf, len); | |||
1611 | (void)close(fd); | |||
1612 | } |