| File: | src/usr.sbin/lpr/lpd/printjob.c |
| Warning: | line 174, column 8 Call to function 'mktemp' is insecure as it always creates or uses insecure temporary file. Use 'mkstemp' instead |
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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 */ |
Call to function 'mktemp' is insecure as it always creates or uses insecure temporary file. Use 'mkstemp' instead | |
| 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, WUNTRACED2)) > 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 == ep) { |
| 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 | } |