| 1 | #define CONSOLE "/dev/console" |
| 2 | #define dprcons if (debug) prcons |
| 3 | /* |
| 4 | * vpd.c updated %G% |
| 5 | * Varian or Versatec printer daemon |
| 6 | */ |
| 7 | char vpdSCCSid[] = "@(#)vpd.c 1.4\t%G%"; |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <sys/param.h> |
| 11 | #include <dir.h> |
| 12 | #include <signal.h> |
| 13 | #include <stat.h> |
| 14 | #include <sgtty.h> |
| 15 | #include <errno.h> |
| 16 | #include <sys/vcmd.h> |
| 17 | #include <wait.h> |
| 18 | |
| 19 | int debug; |
| 20 | extern int errno; |
| 21 | |
| 22 | #define VRAST "/usr/local/lib/vrast" |
| 23 | #define VDMP "/usr/lib/vdmp" |
| 24 | #define VPLTDMP "/usr/lib/vpltdmp" |
| 25 | |
| 26 | #ifdef VARIAN |
| 27 | #define DEVICE "/dev/va0" |
| 28 | #define DFNAME "/usr/spool/vad/" |
| 29 | #define SPOOLDIR "/usr/spool/vad" |
| 30 | #define NAME "Varian" |
| 31 | #endif |
| 32 | |
| 33 | #ifdef VERSATEC |
| 34 | #define DEVICE "/dev/vp0" |
| 35 | #define DFNAME "/usr/spool/vpd/" |
| 36 | #define SPOOLDIR "/usr/spool/vpd" |
| 37 | #define NAME "Versatec" |
| 38 | #endif |
| 39 | |
| 40 | int prtmode[] = {VPRINT, 0, 0}; |
| 41 | |
| 42 | char line[128]; |
| 43 | char linep[127]; |
| 44 | char banbuf[64]; |
| 45 | char banner[512]; |
| 46 | char printflag; |
| 47 | int linel; |
| 48 | FILE *dfb; |
| 49 | char dfname[33] = DFNAME; |
| 50 | int waittm = 6; |
| 51 | int onalrm (); |
| 52 | char tmplock[] = "lockXXXXXX"; |
| 53 | char fonts[4][50] = { |
| 54 | "/usr/lib/vfont/R", |
| 55 | "/usr/lib/vfont/I", |
| 56 | "/usr/lib/vfont/B", |
| 57 | "/usr/lib/vfont/S" |
| 58 | }; |
| 59 | |
| 60 | main(argc, argv) |
| 61 | int argc; |
| 62 | char **argv; |
| 63 | { |
| 64 | char n; |
| 65 | register char *p1, *p2; |
| 66 | register int df; |
| 67 | register struct direct *dirp; |
| 68 | DIR *dp; |
| 69 | struct stat stb; |
| 70 | int offline = 0; |
| 71 | int i, okreque = 1; |
| 72 | |
| 73 | while (argc > 1) { |
| 74 | argc--; |
| 75 | argv++; |
| 76 | if (argv[0][0] != '-') |
| 77 | continue; |
| 78 | switch (argv[0][1]) { |
| 79 | case 'n': |
| 80 | if (argc < 2) |
| 81 | break; |
| 82 | argv++; |
| 83 | argc--; |
| 84 | nice(atol(argv[0])); |
| 85 | break; |
| 86 | } |
| 87 | } |
| 88 | setuid(getuid()); |
| 89 | signal(SIGHUP, SIG_IGN); |
| 90 | signal(SIGINT, SIG_IGN); |
| 91 | signal(SIGQUIT, SIG_IGN); |
| 92 | signal(SIGTERM, SIG_IGN); |
| 93 | begin: |
| 94 | /* |
| 95 | * Close all files, open root as 0, 1, 2 |
| 96 | * to assure standard environment |
| 97 | */ |
| 98 | for (df = 0; df <= 15; df++) |
| 99 | close(df); |
| 100 | open("/", 0); |
| 101 | dup(0); |
| 102 | dup(0); |
| 103 | if (chdir(SPOOLDIR) < 0 || (df = creat(mktemp(tmplock), 0)) < 0) { |
| 104 | close(1); |
| 105 | prcons("%s: error accessing %s\n", NAME, SPOOLDIR); |
| 106 | exit(1); |
| 107 | } |
| 108 | if (link(tmplock, "lock") < 0) { |
| 109 | unlink(tmplock); |
| 110 | exit(0); |
| 111 | } |
| 112 | unlink(tmplock); |
| 113 | close(df); |
| 114 | floop: |
| 115 | dprcons("floop\n"); |
| 116 | i = fork(); |
| 117 | if (i < 0) { |
| 118 | sleep(5); |
| 119 | goto floop; |
| 120 | } |
| 121 | if (i != 0) |
| 122 | exit(0); |
| 123 | reopen: |
| 124 | dprcons("reopen\n"); |
| 125 | for (;;) { |
| 126 | if (open(DEVICE, 1) == 3) |
| 127 | break; |
| 128 | if (errno != EIO) { |
| 129 | extern char *sys_errlist[]; |
| 130 | prcons("%s: %s: %s\n", NAME, DEVICE, sys_errlist[errno]); |
| 131 | unlink("lock"); |
| 132 | exit(1); |
| 133 | } |
| 134 | if (offline == 0) { |
| 135 | int f = open("/dev/tty", 1); |
| 136 | |
| 137 | offline++; |
| 138 | if (f > 0) { |
| 139 | write(f, NAME, strlen(NAME)); |
| 140 | write(f, " is offline\n", 12); |
| 141 | close(f); |
| 142 | } |
| 143 | dprcons("offline\n"); |
| 144 | } |
| 145 | sleep(10); |
| 146 | } |
| 147 | dp = opendir("."); |
| 148 | search: |
| 149 | dprcons("search\n"); |
| 150 | if (okreque == 1) { |
| 151 | rewinddir(dp); |
| 152 | do { |
| 153 | dirp = readdir(dp); |
| 154 | if (dirp == NULL) { |
| 155 | if (printflag) |
| 156 | lastpage(); |
| 157 | unlink("lock"); |
| 158 | dprcons("nomore\n"); |
| 159 | if (printflag==0) { |
| 160 | dprcons("bye\n"); |
| 161 | exit(0); |
| 162 | } |
| 163 | dprcons("one last time\n"); |
| 164 | printflag = 0; |
| 165 | close(3); |
| 166 | closedir(dp); |
| 167 | sleep(30); |
| 168 | goto begin; |
| 169 | } |
| 170 | } while (dirp->d_name[0] != 'd' || dirp->d_name[1] != 'f'); |
| 171 | strcpy(&dfname[15], dirp->d_name); |
| 172 | dprcons("found %s\n", dirp->d_name); |
| 173 | } |
| 174 | dprcons("trying %s\n", dfname); |
| 175 | printflag = 1; |
| 176 | if (okreque == 0) |
| 177 | feedpage(); |
| 178 | if (trysend(dfname, okreque)) { |
| 179 | okreque = 0; |
| 180 | closedir(dp); |
| 181 | printf("reque %s\n", dfname); |
| 182 | close(3); |
| 183 | goto reopen; |
| 184 | } |
| 185 | dprcons("ok\n"); |
| 186 | okreque = 1; |
| 187 | goto search; |
| 188 | } |
| 189 | |
| 190 | trysend(file, okreque) |
| 191 | char *file; |
| 192 | int okreque; |
| 193 | { |
| 194 | register int i; |
| 195 | char plot; |
| 196 | union wait status; |
| 197 | int bomb = 0; |
| 198 | |
| 199 | resfonts(); |
| 200 | dfb = fopen(file, "r"); |
| 201 | if (dfb == NULL) { |
| 202 | unlink(file); |
| 203 | return (0); |
| 204 | } |
| 205 | banner[0] = '\0'; |
| 206 | for(*banbuf= plot= 0; getline();) switch(line[0]) { |
| 207 | |
| 208 | case 'L': |
| 209 | strcpy(banbuf, line + 1); |
| 210 | continue; |
| 211 | |
| 212 | case 'B': /* banner */ |
| 213 | if(banner[0] == '\0') |
| 214 | strcat(banner, line + 1); |
| 215 | else { |
| 216 | strcat(banner,"\n"); |
| 217 | strcat(banner, line+1); |
| 218 | } |
| 219 | continue; |
| 220 | |
| 221 | case '1': |
| 222 | case '2': |
| 223 | case '3': |
| 224 | case '4': |
| 225 | strcpy(fonts[line[0]-'1'], line + 1); |
| 226 | continue; |
| 227 | |
| 228 | case 'C': /* called by cifplot */ |
| 229 | case 'V': /* called by vplot */ |
| 230 | case 'F': |
| 231 | case 'G': /* Like f, but invoke vpf with -l flag. */ |
| 232 | case 'T': |
| 233 | status.w_status = send(line[0]); |
| 234 | break; |
| 235 | |
| 236 | case 'P': |
| 237 | if (plot) { |
| 238 | plot = 0; |
| 239 | status.w_status = send(line[0]); |
| 240 | break; |
| 241 | } |
| 242 | strcpy(linep, line + 1); |
| 243 | plot++; |
| 244 | continue; |
| 245 | |
| 246 | case 'U': |
| 247 | continue; |
| 248 | |
| 249 | case 'M': |
| 250 | continue; |
| 251 | } |
| 252 | /* |
| 253 | * If the process that did the work did an exit(1), |
| 254 | * we should requeue the file. |
| 255 | */ |
| 256 | if (!WIFEXITED(status) || status.w_retcode > 1) { |
| 257 | ioctl(3, VSETSTATE, prtmode); |
| 258 | write(3, "\nDAEMON MALFUNCTION\n", 20); |
| 259 | feedpage(); |
| 260 | bomb++; |
| 261 | } else if (status.w_retcode == 1 && okreque) |
| 262 | return (1); |
| 263 | /* |
| 264 | * All done, for better or for worse. |
| 265 | */ |
| 266 | fseek(dfb, 0, 0); |
| 267 | while (getline()) switch (*line) { |
| 268 | |
| 269 | default: |
| 270 | continue; |
| 271 | |
| 272 | case 'U': |
| 273 | unlink(line + 1); |
| 274 | continue; |
| 275 | |
| 276 | case 'M': |
| 277 | sendmail(bomb); |
| 278 | continue; |
| 279 | } |
| 280 | remret: |
| 281 | fclose(dfb); |
| 282 | unlink(file); |
| 283 | return (0); |
| 284 | } |
| 285 | |
| 286 | static char ifonts[4][50] = { |
| 287 | "/usr/lib/vfont/R", |
| 288 | "/usr/lib/vfont/I", |
| 289 | "/usr/lib/vfont/B", |
| 290 | "/usr/lib/vfont/S" |
| 291 | }; |
| 292 | |
| 293 | resfonts() |
| 294 | { |
| 295 | int i; |
| 296 | for (i = 0; i < 4; i++) |
| 297 | strcpy(fonts[i], ifonts[i]); |
| 298 | } |
| 299 | |
| 300 | sendmail(bomb) |
| 301 | int bomb; |
| 302 | { |
| 303 | static int p[2]; |
| 304 | register i; |
| 305 | int stat; |
| 306 | |
| 307 | pipe(p); |
| 308 | if (fork() == 0) { |
| 309 | alarm(0); |
| 310 | close(0); |
| 311 | dup(p[0]); |
| 312 | for (i = 3; i <= 15; i++) |
| 313 | close(i); |
| 314 | execl("/bin/mail", "mail", &line[1], 0); |
| 315 | exit(0); |
| 316 | } |
| 317 | close(1); |
| 318 | dup(p[1]); |
| 319 | printf("Your %s job %s\n", NAME, bomb ? "screwed up" : "is done"); |
| 320 | close(1); |
| 321 | close(p[0]); |
| 322 | close(p[1]); |
| 323 | open("/", 0); |
| 324 | wait(&stat); |
| 325 | } |
| 326 | |
| 327 | getline() |
| 328 | { |
| 329 | register char *lp; |
| 330 | register int c; |
| 331 | |
| 332 | lp = line; |
| 333 | linel = 0; |
| 334 | while ((c = getc (dfb)) != '\n') { |
| 335 | if (c < 0) |
| 336 | return (0); |
| 337 | if (c == '\t') { |
| 338 | do { |
| 339 | *lp++ = ' '; |
| 340 | linel++; |
| 341 | } while ((linel & 07) != 0); |
| 342 | continue; |
| 343 | } |
| 344 | *lp++ = c; |
| 345 | linel++; |
| 346 | } |
| 347 | *lp++ = 0; |
| 348 | return (1); |
| 349 | } |
| 350 | |
| 351 | int pid; |
| 352 | |
| 353 | send (c) |
| 354 | char c; |
| 355 | { |
| 356 | int p, i, rm; |
| 357 | |
| 358 | if (pid = fork ()) { |
| 359 | if (pid == -1) |
| 360 | return (1); |
| 361 | setexit(); |
| 362 | signal(SIGALRM, onalrm); |
| 363 | alarm(30); |
| 364 | wait(&p); |
| 365 | alarm(0); |
| 366 | return(p); |
| 367 | } |
| 368 | ioctl (3, VSETSTATE, prtmode); |
| 369 | switch (c) { |
| 370 | |
| 371 | case 'F': |
| 372 | if (banbuf[0]) { |
| 373 | execl ("/usr/lib/vpf", "vpf", |
| 374 | #ifdef VERSATEC |
| 375 | "-W", |
| 376 | #endif |
| 377 | "-b", banbuf, line+1, 0); |
| 378 | break; |
| 379 | } |
| 380 | execl ("/usr/lib/vpf", "vpf", |
| 381 | #ifdef VERSATEC |
| 382 | "-W", |
| 383 | #endif |
| 384 | line, 0); |
| 385 | break; |
| 386 | |
| 387 | case 'G': /* Like F (vpf), but passes through -l |
| 388 | flag to vpf (print control chars). */ |
| 389 | if (banbuf[0]) { |
| 390 | execl ("/usr/lib/vpf", "vpf", "-l", |
| 391 | #ifdef VERSATEC |
| 392 | "-W", |
| 393 | #endif |
| 394 | "-b", banbuf, line+1, 0); |
| 395 | break; |
| 396 | } |
| 397 | execl ("/usr/lib/vpf", "vpf", "-l", |
| 398 | #ifdef VERSATEC |
| 399 | "-W", |
| 400 | #endif |
| 401 | line, 0); |
| 402 | break; |
| 403 | |
| 404 | case 'T': |
| 405 | unlink(".railmag"); |
| 406 | rm = creat(".railmag", 0666); |
| 407 | for (i = 0; i < 4; i++) { |
| 408 | if (fonts[i][0] != '/') |
| 409 | write(rm, "/usr/lib/vfont/", 15); |
| 410 | write(rm, fonts[i], strlen (fonts[i])); |
| 411 | write(rm, "\n", 1); |
| 412 | } |
| 413 | close(rm); |
| 414 | if (banbuf[0]) { |
| 415 | #ifdef VARIAN |
| 416 | execl("/usr/lib/rvcat", "rvcat", |
| 417 | #endif |
| 418 | #ifdef VERSATEC |
| 419 | execl("/usr/lib/vcat", "rvcat", |
| 420 | "-W", |
| 421 | #endif |
| 422 | "-3", "-b", banbuf, line+1, 0); |
| 423 | break; |
| 424 | } |
| 425 | #ifdef VARIAN |
| 426 | execl("/usr/lib/rvcat", "rvcat", |
| 427 | #endif |
| 428 | #ifdef VERSATEC |
| 429 | execl("/usr/lib/vcat", "rvcat", |
| 430 | "-W", |
| 431 | #endif |
| 432 | "-3", line+1, 0); |
| 433 | break; |
| 434 | |
| 435 | case 'P': |
| 436 | close(1); |
| 437 | dup(3); |
| 438 | if (banbuf[0]) { |
| 439 | execl(VRAST, "vrast", |
| 440 | #ifdef VERSATEC |
| 441 | "-W", |
| 442 | #endif |
| 443 | "-v", "-b", banbuf, line+1, linep, 0); |
| 444 | break; |
| 445 | } |
| 446 | execl(VRAST, "vrast", |
| 447 | #ifdef VERSATEC |
| 448 | "-W", |
| 449 | #endif |
| 450 | "-v", line+1, linep, 0); |
| 451 | break; |
| 452 | case 'C': |
| 453 | execl(VDMP,"vdmp","-n",banbuf,"-b",banner, |
| 454 | #ifdef VERSATEC |
| 455 | "-W", |
| 456 | #endif |
| 457 | line+1,0); |
| 458 | break; |
| 459 | case 'V': |
| 460 | execl(VPLTDMP,"vpltdmp","-n",banbuf,"-b",banner, |
| 461 | #ifdef VERSATEC |
| 462 | "-W", |
| 463 | #endif |
| 464 | line+1,0); |
| 465 | break; |
| 466 | } |
| 467 | exit(2); /* execl failed or not one of above cases. */ |
| 468 | } |
| 469 | |
| 470 | onalrm() |
| 471 | { |
| 472 | struct stat stb; |
| 473 | |
| 474 | signal(SIGALRM, onalrm); |
| 475 | if (stat(dfname, &stb) < 0) |
| 476 | kill(pid, SIGEMT); |
| 477 | reset(); |
| 478 | } |
| 479 | |
| 480 | /* |
| 481 | * skip 16 inches or do two formfeeds. |
| 482 | */ |
| 483 | lastpage() |
| 484 | { |
| 485 | register int i; |
| 486 | |
| 487 | ioctl(3, VSETSTATE, prtmode); |
| 488 | #ifdef VARIAN |
| 489 | write(3, "\014\014", 2); |
| 490 | #endif |
| 491 | #ifdef VERSATEC |
| 492 | for (i = 0; i < 18; i++) |
| 493 | write(3, "\n\n\n\n\n\n\n\n", 8); |
| 494 | #endif |
| 495 | } |
| 496 | |
| 497 | feedpage() |
| 498 | { |
| 499 | |
| 500 | ioctl(3, VSETSTATE, prtmode); |
| 501 | #ifdef VARIAN |
| 502 | write(3, "\014\0", 2); |
| 503 | #endif |
| 504 | #ifdef VERSATEC |
| 505 | write(3, "\n\n\n", 8); |
| 506 | #endif |
| 507 | } |
| 508 | |
| 509 | prcons(cp, a1, a2, a3, a4, a5) |
| 510 | char *cp; |
| 511 | { |
| 512 | char buf[BUFSIZ]; |
| 513 | int f = open(CONSOLE, 1); |
| 514 | |
| 515 | sprintf(buf, cp, a1, a2, a3, a4, a5); |
| 516 | write(f, buf, strlen(buf)); |
| 517 | close(f); |
| 518 | } |