projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1b3fef4f WJ |
1 | /* |
| 2 | * Copyright (c) 1985, 1988 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. 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 | * @(#)ftpcmd.y 5.24 (Berkeley) 2/25/91 | |
| 34 | */ | |
| 35 | ||
| 36 | /* | |
| 37 | * Grammar for FTP commands. | |
| 38 | * See RFC 959. | |
| 39 | */ | |
| 40 | ||
| 41 | %{ | |
| 42 | ||
| 43 | #ifndef lint | |
| 44 | static char sccsid[] = "@(#)ftpcmd.y 5.24 (Berkeley) 2/25/91"; | |
| 45 | #endif /* not lint */ | |
| 46 | ||
| 47 | #include <sys/param.h> | |
| 48 | #include <sys/socket.h> | |
| 49 | #include <sys/stat.h> | |
| 50 | #include <netinet/in.h> | |
| 51 | #include <arpa/ftp.h> | |
| 52 | #include <signal.h> | |
| 53 | #include <setjmp.h> | |
| 54 | #include <syslog.h> | |
| 55 | #include <time.h> | |
| 56 | #include <pwd.h> | |
| 57 | #include <unistd.h> | |
| 58 | #include <stdio.h> | |
| 59 | #include <ctype.h> | |
| 60 | #include <stdlib.h> | |
| 61 | #include <string.h> | |
| 62 | ||
| 63 | extern struct sockaddr_in data_dest; | |
| 64 | extern int logged_in; | |
| 65 | extern struct passwd *pw; | |
| 66 | extern int guest; | |
| 67 | extern int logging; | |
| 68 | extern int type; | |
| 69 | extern int form; | |
| 70 | extern int debug; | |
| 71 | extern int timeout; | |
| 72 | extern int maxtimeout; | |
| 73 | extern int pdata; | |
| 74 | extern char hostname[], remotehost[]; | |
| 75 | extern char proctitle[]; | |
| 76 | extern char *globerr; | |
| 77 | extern int usedefault; | |
| 78 | extern int transflag; | |
| 79 | extern char tmpline[]; | |
| 80 | char **ftpglob(); | |
| 81 | ||
| 82 | off_t restart_point; | |
| 83 | ||
| 84 | static int cmd_type; | |
| 85 | static int cmd_form; | |
| 86 | static int cmd_bytesz; | |
| 87 | char cbuf[512]; | |
| 88 | char *fromname; | |
| 89 | ||
| 90 | %} | |
| 91 | ||
| 92 | %token | |
| 93 | A B C E F I | |
| 94 | L N P R S T | |
| 95 | ||
| 96 | SP CRLF COMMA STRING NUMBER | |
| 97 | ||
| 98 | USER PASS ACCT REIN QUIT PORT | |
| 99 | PASV TYPE STRU MODE RETR STOR | |
| 100 | APPE MLFL MAIL MSND MSOM MSAM | |
| 101 | MRSQ MRCP ALLO REST RNFR RNTO | |
| 102 | ABOR DELE CWD LIST NLST SITE | |
| 103 | STAT HELP NOOP MKD RMD PWD | |
| 104 | CDUP STOU SMNT SYST SIZE MDTM | |
| 105 | ||
| 106 | UMASK IDLE CHMOD | |
| 107 | ||
| 108 | LEXERR | |
| 109 | ||
| 110 | %start cmd_list | |
| 111 | ||
| 112 | %% | |
| 113 | ||
| 114 | cmd_list: /* empty */ | |
| 115 | | cmd_list cmd | |
| 116 | = { | |
| 117 | fromname = (char *) 0; | |
| 118 | restart_point = (off_t) 0; | |
| 119 | } | |
| 120 | | cmd_list rcmd | |
| 121 | ; | |
| 122 | ||
| 123 | cmd: USER SP username CRLF | |
| 124 | = { | |
| 125 | user((char *) $3); | |
| 126 | free((char *) $3); | |
| 127 | } | |
| 128 | | PASS SP password CRLF | |
| 129 | = { | |
| 130 | pass((char *) $3); | |
| 131 | free((char *) $3); | |
| 132 | } | |
| 133 | | PORT SP host_port CRLF | |
| 134 | = { | |
| 135 | usedefault = 0; | |
| 136 | if (pdata >= 0) { | |
| 137 | (void) close(pdata); | |
| 138 | pdata = -1; | |
| 139 | } | |
| 140 | reply(200, "PORT command successful."); | |
| 141 | } | |
| 142 | | PASV CRLF | |
| 143 | = { | |
| 144 | passive(); | |
| 145 | } | |
| 146 | | TYPE SP type_code CRLF | |
| 147 | = { | |
| 148 | switch (cmd_type) { | |
| 149 | ||
| 150 | case TYPE_A: | |
| 151 | if (cmd_form == FORM_N) { | |
| 152 | reply(200, "Type set to A."); | |
| 153 | type = cmd_type; | |
| 154 | form = cmd_form; | |
| 155 | } else | |
| 156 | reply(504, "Form must be N."); | |
| 157 | break; | |
| 158 | ||
| 159 | case TYPE_E: | |
| 160 | reply(504, "Type E not implemented."); | |
| 161 | break; | |
| 162 | ||
| 163 | case TYPE_I: | |
| 164 | reply(200, "Type set to I."); | |
| 165 | type = cmd_type; | |
| 166 | break; | |
| 167 | ||
| 168 | case TYPE_L: | |
| 169 | #if NBBY == 8 | |
| 170 | if (cmd_bytesz == 8) { | |
| 171 | reply(200, | |
| 172 | "Type set to L (byte size 8)."); | |
| 173 | type = cmd_type; | |
| 174 | } else | |
| 175 | reply(504, "Byte size must be 8."); | |
| 176 | #else /* NBBY == 8 */ | |
| 177 | UNIMPLEMENTED for NBBY != 8 | |
| 178 | #endif /* NBBY == 8 */ | |
| 179 | } | |
| 180 | } | |
| 181 | | STRU SP struct_code CRLF | |
| 182 | = { | |
| 183 | switch ($3) { | |
| 184 | ||
| 185 | case STRU_F: | |
| 186 | reply(200, "STRU F ok."); | |
| 187 | break; | |
| 188 | ||
| 189 | default: | |
| 190 | reply(504, "Unimplemented STRU type."); | |
| 191 | } | |
| 192 | } | |
| 193 | | MODE SP mode_code CRLF | |
| 194 | = { | |
| 195 | switch ($3) { | |
| 196 | ||
| 197 | case MODE_S: | |
| 198 | reply(200, "MODE S ok."); | |
| 199 | break; | |
| 200 | ||
| 201 | default: | |
| 202 | reply(502, "Unimplemented MODE type."); | |
| 203 | } | |
| 204 | } | |
| 205 | | ALLO SP NUMBER CRLF | |
| 206 | = { | |
| 207 | reply(202, "ALLO command ignored."); | |
| 208 | } | |
| 209 | | ALLO SP NUMBER SP R SP NUMBER CRLF | |
| 210 | = { | |
| 211 | reply(202, "ALLO command ignored."); | |
| 212 | } | |
| 213 | | RETR check_login SP pathname CRLF | |
| 214 | = { | |
| 215 | if ($2 && $4 != NULL) | |
| 216 | retrieve((char *) 0, (char *) $4); | |
| 217 | if ($4 != NULL) | |
| 218 | free((char *) $4); | |
| 219 | } | |
| 220 | | STOR check_login SP pathname CRLF | |
| 221 | = { | |
| 222 | if ($2 && $4 != NULL) | |
| 223 | store((char *) $4, "w", 0); | |
| 224 | if ($4 != NULL) | |
| 225 | free((char *) $4); | |
| 226 | } | |
| 227 | | APPE check_login SP pathname CRLF | |
| 228 | = { | |
| 229 | if ($2 && $4 != NULL) | |
| 230 | store((char *) $4, "a", 0); | |
| 231 | if ($4 != NULL) | |
| 232 | free((char *) $4); | |
| 233 | } | |
| 234 | | NLST check_login CRLF | |
| 235 | = { | |
| 236 | if ($2) | |
| 237 | send_file_list("."); | |
| 238 | } | |
| 239 | | NLST check_login SP STRING CRLF | |
| 240 | = { | |
| 241 | if ($2 && $4 != NULL) | |
| 242 | send_file_list((char *) $4); | |
| 243 | if ($4 != NULL) | |
| 244 | free((char *) $4); | |
| 245 | } | |
| 246 | | LIST check_login CRLF | |
| 247 | = { | |
| 248 | if ($2) | |
| 249 | retrieve("/bin/ls -lgA", ""); | |
| 250 | } | |
| 251 | | LIST check_login SP pathname CRLF | |
| 252 | = { | |
| 253 | if ($2 && $4 != NULL) | |
| 254 | retrieve("/bin/ls -lgA %s", (char *) $4); | |
| 255 | if ($4 != NULL) | |
| 256 | free((char *) $4); | |
| 257 | } | |
| 258 | | STAT check_login SP pathname CRLF | |
| 259 | = { | |
| 260 | if ($2 && $4 != NULL) | |
| 261 | statfilecmd((char *) $4); | |
| 262 | if ($4 != NULL) | |
| 263 | free((char *) $4); | |
| 264 | } | |
| 265 | | STAT CRLF | |
| 266 | = { | |
| 267 | statcmd(); | |
| 268 | } | |
| 269 | | DELE check_login SP pathname CRLF | |
| 270 | = { | |
| 271 | if ($2 && $4 != NULL) | |
| 272 | delete((char *) $4); | |
| 273 | if ($4 != NULL) | |
| 274 | free((char *) $4); | |
| 275 | } | |
| 276 | | RNTO SP pathname CRLF | |
| 277 | = { | |
| 278 | if (fromname) { | |
| 279 | renamecmd(fromname, (char *) $3); | |
| 280 | free(fromname); | |
| 281 | fromname = (char *) 0; | |
| 282 | } else { | |
| 283 | reply(503, "Bad sequence of commands."); | |
| 284 | } | |
| 285 | free((char *) $3); | |
| 286 | } | |
| 287 | | ABOR CRLF | |
| 288 | = { | |
| 289 | reply(225, "ABOR command successful."); | |
| 290 | } | |
| 291 | | CWD check_login CRLF | |
| 292 | = { | |
| 293 | if ($2) | |
| 294 | cwd(pw->pw_dir); | |
| 295 | } | |
| 296 | | CWD check_login SP pathname CRLF | |
| 297 | = { | |
| 298 | if ($2 && $4 != NULL) | |
| 299 | cwd((char *) $4); | |
| 300 | if ($4 != NULL) | |
| 301 | free((char *) $4); | |
| 302 | } | |
| 303 | | HELP CRLF | |
| 304 | = { | |
| 305 | help(cmdtab, (char *) 0); | |
| 306 | } | |
| 307 | | HELP SP STRING CRLF | |
| 308 | = { | |
| 309 | register char *cp = (char *)$3; | |
| 310 | ||
| 311 | if (strncasecmp(cp, "SITE", 4) == 0) { | |
| 312 | cp = (char *)$3 + 4; | |
| 313 | if (*cp == ' ') | |
| 314 | cp++; | |
| 315 | if (*cp) | |
| 316 | help(sitetab, cp); | |
| 317 | else | |
| 318 | help(sitetab, (char *) 0); | |
| 319 | } else | |
| 320 | help(cmdtab, (char *) $3); | |
| 321 | } | |
| 322 | | NOOP CRLF | |
| 323 | = { | |
| 324 | reply(200, "NOOP command successful."); | |
| 325 | } | |
| 326 | | MKD check_login SP pathname CRLF | |
| 327 | = { | |
| 328 | if ($2 && $4 != NULL) | |
| 329 | makedir((char *) $4); | |
| 330 | if ($4 != NULL) | |
| 331 | free((char *) $4); | |
| 332 | } | |
| 333 | | RMD check_login SP pathname CRLF | |
| 334 | = { | |
| 335 | if ($2 && $4 != NULL) | |
| 336 | removedir((char *) $4); | |
| 337 | if ($4 != NULL) | |
| 338 | free((char *) $4); | |
| 339 | } | |
| 340 | | PWD check_login CRLF | |
| 341 | = { | |
| 342 | if ($2) | |
| 343 | pwd(); | |
| 344 | } | |
| 345 | | CDUP check_login CRLF | |
| 346 | = { | |
| 347 | if ($2) | |
| 348 | cwd(".."); | |
| 349 | } | |
| 350 | | SITE SP HELP CRLF | |
| 351 | = { | |
| 352 | help(sitetab, (char *) 0); | |
| 353 | } | |
| 354 | | SITE SP HELP SP STRING CRLF | |
| 355 | = { | |
| 356 | help(sitetab, (char *) $5); | |
| 357 | } | |
| 358 | | SITE SP UMASK check_login CRLF | |
| 359 | = { | |
| 360 | int oldmask; | |
| 361 | ||
| 362 | if ($4) { | |
| 363 | oldmask = umask(0); | |
| 364 | (void) umask(oldmask); | |
| 365 | reply(200, "Current UMASK is %03o", oldmask); | |
| 366 | } | |
| 367 | } | |
| 368 | | SITE SP UMASK check_login SP octal_number CRLF | |
| 369 | = { | |
| 370 | int oldmask; | |
| 371 | ||
| 372 | if ($4) { | |
| 373 | if (($6 == -1) || ($6 > 0777)) { | |
| 374 | reply(501, "Bad UMASK value"); | |
| 375 | } else { | |
| 376 | oldmask = umask($6); | |
| 377 | reply(200, | |
| 378 | "UMASK set to %03o (was %03o)", | |
| 379 | $6, oldmask); | |
| 380 | } | |
| 381 | } | |
| 382 | } | |
| 383 | | SITE SP CHMOD check_login SP octal_number SP pathname CRLF | |
| 384 | = { | |
| 385 | if ($4 && ($8 != NULL)) { | |
| 386 | if ($6 > 0777) | |
| 387 | reply(501, | |
| 388 | "CHMOD: Mode value must be between 0 and 0777"); | |
| 389 | else if (chmod((char *) $8, $6) < 0) | |
| 390 | perror_reply(550, (char *) $8); | |
| 391 | else | |
| 392 | reply(200, "CHMOD command successful."); | |
| 393 | } | |
| 394 | if ($8 != NULL) | |
| 395 | free((char *) $8); | |
| 396 | } | |
| 397 | | SITE SP IDLE CRLF | |
| 398 | = { | |
| 399 | reply(200, | |
| 400 | "Current IDLE time limit is %d seconds; max %d", | |
| 401 | timeout, maxtimeout); | |
| 402 | } | |
| 403 | | SITE SP IDLE SP NUMBER CRLF | |
| 404 | = { | |
| 405 | if ($5 < 30 || $5 > maxtimeout) { | |
| 406 | reply(501, | |
| 407 | "Maximum IDLE time must be between 30 and %d seconds", | |
| 408 | maxtimeout); | |
| 409 | } else { | |
| 410 | timeout = $5; | |
| 411 | (void) alarm((unsigned) timeout); | |
| 412 | reply(200, | |
| 413 | "Maximum IDLE time set to %d seconds", | |
| 414 | timeout); | |
| 415 | } | |
| 416 | } | |
| 417 | | STOU check_login SP pathname CRLF | |
| 418 | = { | |
| 419 | if ($2 && $4 != NULL) | |
| 420 | store((char *) $4, "w", 1); | |
| 421 | if ($4 != NULL) | |
| 422 | free((char *) $4); | |
| 423 | } | |
| 424 | | SYST CRLF | |
| 425 | = { | |
| 426 | #ifdef unix | |
| 427 | #ifdef BSD | |
| 428 | reply(215, "UNIX Type: L%d Version: BSD-%d", | |
| 429 | NBBY, BSD); | |
| 430 | #else /* BSD */ | |
| 431 | reply(215, "UNIX Type: L%d", NBBY); | |
| 432 | #endif /* BSD */ | |
| 433 | #else /* unix */ | |
| 434 | reply(215, "UNKNOWN Type: L%d", NBBY); | |
| 435 | #endif /* unix */ | |
| 436 | } | |
| 437 | ||
| 438 | /* | |
| 439 | * SIZE is not in RFC959, but Postel has blessed it and | |
| 440 | * it will be in the updated RFC. | |
| 441 | * | |
| 442 | * Return size of file in a format suitable for | |
| 443 | * using with RESTART (we just count bytes). | |
| 444 | */ | |
| 445 | | SIZE check_login SP pathname CRLF | |
| 446 | = { | |
| 447 | if ($2 && $4 != NULL) | |
| 448 | sizecmd((char *) $4); | |
| 449 | if ($4 != NULL) | |
| 450 | free((char *) $4); | |
| 451 | } | |
| 452 | ||
| 453 | /* | |
| 454 | * MDTM is not in RFC959, but Postel has blessed it and | |
| 455 | * it will be in the updated RFC. | |
| 456 | * | |
| 457 | * Return modification time of file as an ISO 3307 | |
| 458 | * style time. E.g. YYYYMMDDHHMMSS or YYYYMMDDHHMMSS.xxx | |
| 459 | * where xxx is the fractional second (of any precision, | |
| 460 | * not necessarily 3 digits) | |
| 461 | */ | |
| 462 | | MDTM check_login SP pathname CRLF | |
| 463 | = { | |
| 464 | if ($2 && $4 != NULL) { | |
| 465 | struct stat stbuf; | |
| 466 | if (stat((char *) $4, &stbuf) < 0) | |
| 467 | perror_reply(550, "%s", (char *) $4); | |
| 468 | else if ((stbuf.st_mode&S_IFMT) != S_IFREG) { | |
| 469 | reply(550, "%s: not a plain file.", | |
| 470 | (char *) $4); | |
| 471 | } else { | |
| 472 | register struct tm *t; | |
| 473 | struct tm *gmtime(); | |
| 474 | t = gmtime(&stbuf.st_mtime); | |
| 475 | reply(213, | |
| 476 | "19%02d%02d%02d%02d%02d%02d", | |
| 477 | t->tm_year, t->tm_mon+1, t->tm_mday, | |
| 478 | t->tm_hour, t->tm_min, t->tm_sec); | |
| 479 | } | |
| 480 | } | |
| 481 | if ($4 != NULL) | |
| 482 | free((char *) $4); | |
| 483 | } | |
| 484 | | QUIT CRLF | |
| 485 | = { | |
| 486 | reply(221, "Goodbye."); | |
| 487 | dologout(0); | |
| 488 | } | |
| 489 | | error CRLF | |
| 490 | = { | |
| 491 | yyerrok; | |
| 492 | } | |
| 493 | ; | |
| 494 | rcmd: RNFR check_login SP pathname CRLF | |
| 495 | = { | |
| 496 | char *renamefrom(); | |
| 497 | ||
| 498 | restart_point = (off_t) 0; | |
| 499 | if ($2 && $4) { | |
| 500 | fromname = renamefrom((char *) $4); | |
| 501 | if (fromname == (char *) 0 && $4) { | |
| 502 | free((char *) $4); | |
| 503 | } | |
| 504 | } | |
| 505 | } | |
| 506 | | REST SP byte_size CRLF | |
| 507 | = { | |
| 508 | long atol(); | |
| 509 | ||
| 510 | fromname = (char *) 0; | |
| 511 | restart_point = $3; | |
| 512 | reply(350, "Restarting at %ld. %s", restart_point, | |
| 513 | "Send STORE or RETRIEVE to initiate transfer."); | |
| 514 | } | |
| 515 | ; | |
| 516 | ||
| 517 | username: STRING | |
| 518 | ; | |
| 519 | ||
| 520 | password: /* empty */ | |
| 521 | = { | |
| 522 | *(char **)&($$) = (char *)calloc(1, sizeof(char)); | |
| 523 | } | |
| 524 | | STRING | |
| 525 | ; | |
| 526 | ||
| 527 | byte_size: NUMBER | |
| 528 | ; | |
| 529 | ||
| 530 | host_port: NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA | |
| 531 | NUMBER COMMA NUMBER | |
| 532 | = { | |
| 533 | register char *a, *p; | |
| 534 | ||
| 535 | a = (char *)&data_dest.sin_addr; | |
| 536 | a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7; | |
| 537 | p = (char *)&data_dest.sin_port; | |
| 538 | p[0] = $9; p[1] = $11; | |
| 539 | data_dest.sin_family = AF_INET; | |
| 540 | } | |
| 541 | ; | |
| 542 | ||
| 543 | form_code: N | |
| 544 | = { | |
| 545 | $$ = FORM_N; | |
| 546 | } | |
| 547 | | T | |
| 548 | = { | |
| 549 | $$ = FORM_T; | |
| 550 | } | |
| 551 | | C | |
| 552 | = { | |
| 553 | $$ = FORM_C; | |
| 554 | } | |
| 555 | ; | |
| 556 | ||
| 557 | type_code: A | |
| 558 | = { | |
| 559 | cmd_type = TYPE_A; | |
| 560 | cmd_form = FORM_N; | |
| 561 | } | |
| 562 | | A SP form_code | |
| 563 | = { | |
| 564 | cmd_type = TYPE_A; | |
| 565 | cmd_form = $3; | |
| 566 | } | |
| 567 | | E | |
| 568 | = { | |
| 569 | cmd_type = TYPE_E; | |
| 570 | cmd_form = FORM_N; | |
| 571 | } | |
| 572 | | E SP form_code | |
| 573 | = { | |
| 574 | cmd_type = TYPE_E; | |
| 575 | cmd_form = $3; | |
| 576 | } | |
| 577 | | I | |
| 578 | = { | |
| 579 | cmd_type = TYPE_I; | |
| 580 | } | |
| 581 | | L | |
| 582 | = { | |
| 583 | cmd_type = TYPE_L; | |
| 584 | cmd_bytesz = NBBY; | |
| 585 | } | |
| 586 | | L SP byte_size | |
| 587 | = { | |
| 588 | cmd_type = TYPE_L; | |
| 589 | cmd_bytesz = $3; | |
| 590 | } | |
| 591 | /* this is for a bug in the BBN ftp */ | |
| 592 | | L byte_size | |
| 593 | = { | |
| 594 | cmd_type = TYPE_L; | |
| 595 | cmd_bytesz = $2; | |
| 596 | } | |
| 597 | ; | |
| 598 | ||
| 599 | struct_code: F | |
| 600 | = { | |
| 601 | $$ = STRU_F; | |
| 602 | } | |
| 603 | | R | |
| 604 | = { | |
| 605 | $$ = STRU_R; | |
| 606 | } | |
| 607 | | P | |
| 608 | = { | |
| 609 | $$ = STRU_P; | |
| 610 | } | |
| 611 | ; | |
| 612 | ||
| 613 | mode_code: S | |
| 614 | = { | |
| 615 | $$ = MODE_S; | |
| 616 | } | |
| 617 | | B | |
| 618 | = { | |
| 619 | $$ = MODE_B; | |
| 620 | } | |
| 621 | | C | |
| 622 | = { | |
| 623 | $$ = MODE_C; | |
| 624 | } | |
| 625 | ; | |
| 626 | ||
| 627 | pathname: pathstring | |
| 628 | = { | |
| 629 | /* | |
| 630 | * Problem: this production is used for all pathname | |
| 631 | * processing, but only gives a 550 error reply. | |
| 632 | * This is a valid reply in some cases but not in others. | |
| 633 | */ | |
| 634 | if (logged_in && $1 && strncmp((char *) $1, "~", 1) == 0) { | |
| 635 | *(char **)&($$) = *ftpglob((char *) $1); | |
| 636 | if (globerr != NULL) { | |
| 637 | reply(550, globerr); | |
| 638 | $$ = NULL; | |
| 639 | } | |
| 640 | free((char *) $1); | |
| 641 | } else | |
| 642 | $$ = $1; | |
| 643 | } | |
| 644 | ; | |
| 645 | ||
| 646 | pathstring: STRING | |
| 647 | ; | |
| 648 | ||
| 649 | octal_number: NUMBER | |
| 650 | = { | |
| 651 | register int ret, dec, multby, digit; | |
| 652 | ||
| 653 | /* | |
| 654 | * Convert a number that was read as decimal number | |
| 655 | * to what it would be if it had been read as octal. | |
| 656 | */ | |
| 657 | dec = $1; | |
| 658 | multby = 1; | |
| 659 | ret = 0; | |
| 660 | while (dec) { | |
| 661 | digit = dec%10; | |
| 662 | if (digit > 7) { | |
| 663 | ret = -1; | |
| 664 | break; | |
| 665 | } | |
| 666 | ret += digit * multby; | |
| 667 | multby *= 8; | |
| 668 | dec /= 10; | |
| 669 | } | |
| 670 | $$ = ret; | |
| 671 | } | |
| 672 | ; | |
| 673 | ||
| 674 | check_login: /* empty */ | |
| 675 | = { | |
| 676 | if (logged_in) | |
| 677 | $$ = 1; | |
| 678 | else { | |
| 679 | reply(530, "Please login with USER and PASS."); | |
| 680 | $$ = 0; | |
| 681 | } | |
| 682 | } | |
| 683 | ; | |
| 684 | ||
| 685 | %% | |
| 686 | ||
| 687 | extern jmp_buf errcatch; | |
| 688 | ||
| 689 | #define CMD 0 /* beginning of command */ | |
| 690 | #define ARGS 1 /* expect miscellaneous arguments */ | |
| 691 | #define STR1 2 /* expect SP followed by STRING */ | |
| 692 | #define STR2 3 /* expect STRING */ | |
| 693 | #define OSTR 4 /* optional SP then STRING */ | |
| 694 | #define ZSTR1 5 /* SP then optional STRING */ | |
| 695 | #define ZSTR2 6 /* optional STRING after SP */ | |
| 696 | #define SITECMD 7 /* SITE command */ | |
| 697 | #define NSTR 8 /* Number followed by a string */ | |
| 698 | ||
| 699 | struct tab { | |
| 700 | char *name; | |
| 701 | short token; | |
| 702 | short state; | |
| 703 | short implemented; /* 1 if command is implemented */ | |
| 704 | char *help; | |
| 705 | }; | |
| 706 | ||
| 707 | struct tab cmdtab[] = { /* In order defined in RFC 765 */ | |
| 708 | { "USER", USER, STR1, 1, "<sp> username" }, | |
| 709 | { "PASS", PASS, ZSTR1, 1, "<sp> password" }, | |
| 710 | { "ACCT", ACCT, STR1, 0, "(specify account)" }, | |
| 711 | { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, | |
| 712 | { "REIN", REIN, ARGS, 0, "(reinitialize server state)" }, | |
| 713 | { "QUIT", QUIT, ARGS, 1, "(terminate service)", }, | |
| 714 | { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" }, | |
| 715 | { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, | |
| 716 | { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" }, | |
| 717 | { "STRU", STRU, ARGS, 1, "(specify file structure)" }, | |
| 718 | { "MODE", MODE, ARGS, 1, "(specify transfer mode)" }, | |
| 719 | { "RETR", RETR, STR1, 1, "<sp> file-name" }, | |
| 720 | { "STOR", STOR, STR1, 1, "<sp> file-name" }, | |
| 721 | { "APPE", APPE, STR1, 1, "<sp> file-name" }, | |
| 722 | { "MLFL", MLFL, OSTR, 0, "(mail file)" }, | |
| 723 | { "MAIL", MAIL, OSTR, 0, "(mail to user)" }, | |
| 724 | { "MSND", MSND, OSTR, 0, "(mail send to terminal)" }, | |
| 725 | { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" }, | |
| 726 | { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" }, | |
| 727 | { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" }, | |
| 728 | { "MRCP", MRCP, STR1, 0, "(mail recipient)" }, | |
| 729 | { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" }, | |
| 730 | { "REST", REST, ARGS, 1, "(restart command)" }, | |
| 731 | { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, | |
| 732 | { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, | |
| 733 | { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, | |
| 734 | { "DELE", DELE, STR1, 1, "<sp> file-name" }, | |
| 735 | { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, | |
| 736 | { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, | |
| 737 | { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, | |
| 738 | { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, | |
| 739 | { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, | |
| 740 | { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, | |
| 741 | { "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" }, | |
| 742 | { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, | |
| 743 | { "NOOP", NOOP, ARGS, 1, "" }, | |
| 744 | { "MKD", MKD, STR1, 1, "<sp> path-name" }, | |
| 745 | { "XMKD", MKD, STR1, 1, "<sp> path-name" }, | |
| 746 | { "RMD", RMD, STR1, 1, "<sp> path-name" }, | |
| 747 | { "XRMD", RMD, STR1, 1, "<sp> path-name" }, | |
| 748 | { "PWD", PWD, ARGS, 1, "(return current directory)" }, | |
| 749 | { "XPWD", PWD, ARGS, 1, "(return current directory)" }, | |
| 750 | { "CDUP", CDUP, ARGS, 1, "(change to parent directory)" }, | |
| 751 | { "XCUP", CDUP, ARGS, 1, "(change to parent directory)" }, | |
| 752 | { "STOU", STOU, STR1, 1, "<sp> file-name" }, | |
| 753 | { "SIZE", SIZE, OSTR, 1, "<sp> path-name" }, | |
| 754 | { "MDTM", MDTM, OSTR, 1, "<sp> path-name" }, | |
| 755 | { NULL, 0, 0, 0, 0 } | |
| 756 | }; | |
| 757 | ||
| 758 | struct tab sitetab[] = { | |
| 759 | { "UMASK", UMASK, ARGS, 1, "[ <sp> umask ]" }, | |
| 760 | { "IDLE", IDLE, ARGS, 1, "[ <sp> maximum-idle-time ]" }, | |
| 761 | { "CHMOD", CHMOD, NSTR, 1, "<sp> mode <sp> file-name" }, | |
| 762 | { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, | |
| 763 | { NULL, 0, 0, 0, 0 } | |
| 764 | }; | |
| 765 | ||
| 766 | struct tab * | |
| 767 | lookup(p, cmd) | |
| 768 | register struct tab *p; | |
| 769 | char *cmd; | |
| 770 | { | |
| 771 | ||
| 772 | for (; p->name != NULL; p++) | |
| 773 | if (strcmp(cmd, p->name) == 0) | |
| 774 | return (p); | |
| 775 | return (0); | |
| 776 | } | |
| 777 | ||
| 778 | #include <arpa/telnet.h> | |
| 779 | ||
| 780 | /* | |
| 781 | * getline - a hacked up version of fgets to ignore TELNET escape codes. | |
| 782 | */ | |
| 783 | char * | |
| 784 | getline(s, n, iop) | |
| 785 | char *s; | |
| 786 | register FILE *iop; | |
| 787 | { | |
| 788 | register c; | |
| 789 | register char *cs; | |
| 790 | ||
| 791 | cs = s; | |
| 792 | /* tmpline may contain saved command from urgent mode interruption */ | |
| 793 | for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) { | |
| 794 | *cs++ = tmpline[c]; | |
| 795 | if (tmpline[c] == '\n') { | |
| 796 | *cs++ = '\0'; | |
| 797 | if (debug) | |
| 798 | syslog(LOG_DEBUG, "command: %s", s); | |
| 799 | tmpline[0] = '\0'; | |
| 800 | return(s); | |
| 801 | } | |
| 802 | if (c == 0) | |
| 803 | tmpline[0] = '\0'; | |
| 804 | } | |
| 805 | while ((c = getc(iop)) != EOF) { | |
| 806 | c &= 0377; | |
| 807 | if (c == IAC) { | |
| 808 | if ((c = getc(iop)) != EOF) { | |
| 809 | c &= 0377; | |
| 810 | switch (c) { | |
| 811 | case WILL: | |
| 812 | case WONT: | |
| 813 | c = getc(iop); | |
| 814 | printf("%c%c%c", IAC, DONT, 0377&c); | |
| 815 | (void) fflush(stdout); | |
| 816 | continue; | |
| 817 | case DO: | |
| 818 | case DONT: | |
| 819 | c = getc(iop); | |
| 820 | printf("%c%c%c", IAC, WONT, 0377&c); | |
| 821 | (void) fflush(stdout); | |
| 822 | continue; | |
| 823 | case IAC: | |
| 824 | break; | |
| 825 | default: | |
| 826 | continue; /* ignore command */ | |
| 827 | } | |
| 828 | } | |
| 829 | } | |
| 830 | *cs++ = c; | |
| 831 | if (--n <= 0 || c == '\n') | |
| 832 | break; | |
| 833 | } | |
| 834 | if (c == EOF && cs == s) | |
| 835 | return (NULL); | |
| 836 | *cs++ = '\0'; | |
| 837 | if (debug) | |
| 838 | syslog(LOG_DEBUG, "command: %s", s); | |
| 839 | return (s); | |
| 840 | } | |
| 841 | ||
| 842 | static void | |
| 843 | toolong() | |
| 844 | { | |
| 845 | time_t now; | |
| 846 | ||
| 847 | reply(421, | |
| 848 | "Timeout (%d seconds): closing control connection.", timeout); | |
| 849 | (void) time(&now); | |
| 850 | if (logging) { | |
| 851 | syslog(LOG_INFO, | |
| 852 | "User %s timed out after %d seconds at %s", | |
| 853 | (pw ? pw -> pw_name : "unknown"), timeout, ctime(&now)); | |
| 854 | } | |
| 855 | dologout(1); | |
| 856 | } | |
| 857 | ||
| 858 | yylex() | |
| 859 | { | |
| 860 | static int cpos, state; | |
| 861 | register char *cp, *cp2; | |
| 862 | register struct tab *p; | |
| 863 | int n; | |
| 864 | char c, *copy(); | |
| 865 | ||
| 866 | for (;;) { | |
| 867 | switch (state) { | |
| 868 | ||
| 869 | case CMD: | |
| 870 | (void) signal(SIGALRM, toolong); | |
| 871 | (void) alarm((unsigned) timeout); | |
| 872 | if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) { | |
| 873 | reply(221, "You could at least say goodbye."); | |
| 874 | dologout(0); | |
| 875 | } | |
| 876 | (void) alarm(0); | |
| 877 | #ifdef SETPROCTITLE | |
| 878 | if (strncasecmp(cbuf, "PASS", 4) != NULL) | |
| 879 | setproctitle("%s: %s", proctitle, cbuf); | |
| 880 | #endif /* SETPROCTITLE */ | |
| 881 | if ((cp = index(cbuf, '\r'))) { | |
| 882 | *cp++ = '\n'; | |
| 883 | *cp = '\0'; | |
| 884 | } | |
| 885 | if ((cp = strpbrk(cbuf, " \n"))) | |
| 886 | cpos = cp - cbuf; | |
| 887 | if (cpos == 0) | |
| 888 | cpos = 4; | |
| 889 | c = cbuf[cpos]; | |
| 890 | cbuf[cpos] = '\0'; | |
| 891 | upper(cbuf); | |
| 892 | p = lookup(cmdtab, cbuf); | |
| 893 | cbuf[cpos] = c; | |
| 894 | if (p != 0) { | |
| 895 | if (p->implemented == 0) { | |
| 896 | nack(p->name); | |
| 897 | longjmp(errcatch,0); | |
| 898 | /* NOTREACHED */ | |
| 899 | } | |
| 900 | state = p->state; | |
| 901 | *(char **)&yylval = p->name; | |
| 902 | return (p->token); | |
| 903 | } | |
| 904 | break; | |
| 905 | ||
| 906 | case SITECMD: | |
| 907 | if (cbuf[cpos] == ' ') { | |
| 908 | cpos++; | |
| 909 | return (SP); | |
| 910 | } | |
| 911 | cp = &cbuf[cpos]; | |
| 912 | if ((cp2 = strpbrk(cp, " \n"))) | |
| 913 | cpos = cp2 - cbuf; | |
| 914 | c = cbuf[cpos]; | |
| 915 | cbuf[cpos] = '\0'; | |
| 916 | upper(cp); | |
| 917 | p = lookup(sitetab, cp); | |
| 918 | cbuf[cpos] = c; | |
| 919 | if (p != 0) { | |
| 920 | if (p->implemented == 0) { | |
| 921 | state = CMD; | |
| 922 | nack(p->name); | |
| 923 | longjmp(errcatch,0); | |
| 924 | /* NOTREACHED */ | |
| 925 | } | |
| 926 | state = p->state; | |
| 927 | *(char **)&yylval = p->name; | |
| 928 | return (p->token); | |
| 929 | } | |
| 930 | state = CMD; | |
| 931 | break; | |
| 932 | ||
| 933 | case OSTR: | |
| 934 | if (cbuf[cpos] == '\n') { | |
| 935 | state = CMD; | |
| 936 | return (CRLF); | |
| 937 | } | |
| 938 | /* FALLTHROUGH */ | |
| 939 | ||
| 940 | case STR1: | |
| 941 | case ZSTR1: | |
| 942 | dostr1: | |
| 943 | if (cbuf[cpos] == ' ') { | |
| 944 | cpos++; | |
| 945 | state = state == OSTR ? STR2 : ++state; | |
| 946 | return (SP); | |
| 947 | } | |
| 948 | break; | |
| 949 | ||
| 950 | case ZSTR2: | |
| 951 | if (cbuf[cpos] == '\n') { | |
| 952 | state = CMD; | |
| 953 | return (CRLF); | |
| 954 | } | |
| 955 | /* FALLTHROUGH */ | |
| 956 | ||
| 957 | case STR2: | |
| 958 | cp = &cbuf[cpos]; | |
| 959 | n = strlen(cp); | |
| 960 | cpos += n - 1; | |
| 961 | /* | |
| 962 | * Make sure the string is nonempty and \n terminated. | |
| 963 | */ | |
| 964 | if (n > 1 && cbuf[cpos] == '\n') { | |
| 965 | cbuf[cpos] = '\0'; | |
| 966 | *(char **)&yylval = copy(cp); | |
| 967 | cbuf[cpos] = '\n'; | |
| 968 | state = ARGS; | |
| 969 | return (STRING); | |
| 970 | } | |
| 971 | break; | |
| 972 | ||
| 973 | case NSTR: | |
| 974 | if (cbuf[cpos] == ' ') { | |
| 975 | cpos++; | |
| 976 | return (SP); | |
| 977 | } | |
| 978 | if (isdigit(cbuf[cpos])) { | |
| 979 | cp = &cbuf[cpos]; | |
| 980 | while (isdigit(cbuf[++cpos])) | |
| 981 | ; | |
| 982 | c = cbuf[cpos]; | |
| 983 | cbuf[cpos] = '\0'; | |
| 984 | yylval = atoi(cp); | |
| 985 | cbuf[cpos] = c; | |
| 986 | state = STR1; | |
| 987 | return (NUMBER); | |
| 988 | } | |
| 989 | state = STR1; | |
| 990 | goto dostr1; | |
| 991 | ||
| 992 | case ARGS: | |
| 993 | if (isdigit(cbuf[cpos])) { | |
| 994 | cp = &cbuf[cpos]; | |
| 995 | while (isdigit(cbuf[++cpos])) | |
| 996 | ; | |
| 997 | c = cbuf[cpos]; | |
| 998 | cbuf[cpos] = '\0'; | |
| 999 | yylval = atoi(cp); | |
| 1000 | cbuf[cpos] = c; | |
| 1001 | return (NUMBER); | |
| 1002 | } | |
| 1003 | switch (cbuf[cpos++]) { | |
| 1004 | ||
| 1005 | case '\n': | |
| 1006 | state = CMD; | |
| 1007 | return (CRLF); | |
| 1008 | ||
| 1009 | case ' ': | |
| 1010 | return (SP); | |
| 1011 | ||
| 1012 | case ',': | |
| 1013 | return (COMMA); | |
| 1014 | ||
| 1015 | case 'A': | |
| 1016 | case 'a': | |
| 1017 | return (A); | |
| 1018 | ||
| 1019 | case 'B': | |
| 1020 | case 'b': | |
| 1021 | return (B); | |
| 1022 | ||
| 1023 | case 'C': | |
| 1024 | case 'c': | |
| 1025 | return (C); | |
| 1026 | ||
| 1027 | case 'E': | |
| 1028 | case 'e': | |
| 1029 | return (E); | |
| 1030 | ||
| 1031 | case 'F': | |
| 1032 | case 'f': | |
| 1033 | return (F); | |
| 1034 | ||
| 1035 | case 'I': | |
| 1036 | case 'i': | |
| 1037 | return (I); | |
| 1038 | ||
| 1039 | case 'L': | |
| 1040 | case 'l': | |
| 1041 | return (L); | |
| 1042 | ||
| 1043 | case 'N': | |
| 1044 | case 'n': | |
| 1045 | return (N); | |
| 1046 | ||
| 1047 | case 'P': | |
| 1048 | case 'p': | |
| 1049 | return (P); | |
| 1050 | ||
| 1051 | case 'R': | |
| 1052 | case 'r': | |
| 1053 | return (R); | |
| 1054 | ||
| 1055 | case 'S': | |
| 1056 | case 's': | |
| 1057 | return (S); | |
| 1058 | ||
| 1059 | case 'T': | |
| 1060 | case 't': | |
| 1061 | return (T); | |
| 1062 | ||
| 1063 | } | |
| 1064 | break; | |
| 1065 | ||
| 1066 | default: | |
| 1067 | fatal("Unknown state in scanner."); | |
| 1068 | } | |
| 1069 | yyerror((char *) 0); | |
| 1070 | state = CMD; | |
| 1071 | longjmp(errcatch,0); | |
| 1072 | } | |
| 1073 | } | |
| 1074 | ||
| 1075 | upper(s) | |
| 1076 | register char *s; | |
| 1077 | { | |
| 1078 | while (*s != '\0') { | |
| 1079 | if (islower(*s)) | |
| 1080 | *s = toupper(*s); | |
| 1081 | s++; | |
| 1082 | } | |
| 1083 | } | |
| 1084 | ||
| 1085 | char * | |
| 1086 | copy(s) | |
| 1087 | char *s; | |
| 1088 | { | |
| 1089 | char *p; | |
| 1090 | ||
| 1091 | p = malloc((unsigned) strlen(s) + 1); | |
| 1092 | if (p == NULL) | |
| 1093 | fatal("Ran out of memory."); | |
| 1094 | (void) strcpy(p, s); | |
| 1095 | return (p); | |
| 1096 | } | |
| 1097 | ||
| 1098 | help(ctab, s) | |
| 1099 | struct tab *ctab; | |
| 1100 | char *s; | |
| 1101 | { | |
| 1102 | register struct tab *c; | |
| 1103 | register int width, NCMDS; | |
| 1104 | char *type; | |
| 1105 | ||
| 1106 | if (ctab == sitetab) | |
| 1107 | type = "SITE "; | |
| 1108 | else | |
| 1109 | type = ""; | |
| 1110 | width = 0, NCMDS = 0; | |
| 1111 | for (c = ctab; c->name != NULL; c++) { | |
| 1112 | int len = strlen(c->name); | |
| 1113 | ||
| 1114 | if (len > width) | |
| 1115 | width = len; | |
| 1116 | NCMDS++; | |
| 1117 | } | |
| 1118 | width = (width + 8) &~ 7; | |
| 1119 | if (s == 0) { | |
| 1120 | register int i, j, w; | |
| 1121 | int columns, lines; | |
| 1122 | ||
| 1123 | lreply(214, "The following %scommands are recognized %s.", | |
| 1124 | type, "(* =>'s unimplemented)"); | |
| 1125 | columns = 76 / width; | |
| 1126 | if (columns == 0) | |
| 1127 | columns = 1; | |
| 1128 | lines = (NCMDS + columns - 1) / columns; | |
| 1129 | for (i = 0; i < lines; i++) { | |
| 1130 | printf(" "); | |
| 1131 | for (j = 0; j < columns; j++) { | |
| 1132 | c = ctab + j * lines + i; | |
| 1133 | printf("%s%c", c->name, | |
| 1134 | c->implemented ? ' ' : '*'); | |
| 1135 | if (c + lines >= &ctab[NCMDS]) | |
| 1136 | break; | |
| 1137 | w = strlen(c->name) + 1; | |
| 1138 | while (w < width) { | |
| 1139 | putchar(' '); | |
| 1140 | w++; | |
| 1141 | } | |
| 1142 | } | |
| 1143 | printf("\r\n"); | |
| 1144 | } | |
| 1145 | (void) fflush(stdout); | |
| 1146 | reply(214, "Direct comments to ftp-bugs@%s.", hostname); | |
| 1147 | return; | |
| 1148 | } | |
| 1149 | upper(s); | |
| 1150 | c = lookup(ctab, s); | |
| 1151 | if (c == (struct tab *)0) { | |
| 1152 | reply(502, "Unknown command %s.", s); | |
| 1153 | return; | |
| 1154 | } | |
| 1155 | if (c->implemented) | |
| 1156 | reply(214, "Syntax: %s%s %s", type, c->name, c->help); | |
| 1157 | else | |
| 1158 | reply(214, "%s%-*s\t%s; unimplemented.", type, width, | |
| 1159 | c->name, c->help); | |
| 1160 | } | |
| 1161 | ||
| 1162 | sizecmd(filename) | |
| 1163 | char *filename; | |
| 1164 | { | |
| 1165 | switch (type) { | |
| 1166 | case TYPE_L: | |
| 1167 | case TYPE_I: { | |
| 1168 | struct stat stbuf; | |
| 1169 | if (stat(filename, &stbuf) < 0 || | |
| 1170 | (stbuf.st_mode&S_IFMT) != S_IFREG) | |
| 1171 | reply(550, "%s: not a plain file.", filename); | |
| 1172 | else | |
| 1173 | reply(213, "%lu", stbuf.st_size); | |
| 1174 | break;} | |
| 1175 | case TYPE_A: { | |
| 1176 | FILE *fin; | |
| 1177 | register int c; | |
| 1178 | register long count; | |
| 1179 | struct stat stbuf; | |
| 1180 | fin = fopen(filename, "r"); | |
| 1181 | if (fin == NULL) { | |
| 1182 | perror_reply(550, filename); | |
| 1183 | return; | |
| 1184 | } | |
| 1185 | if (fstat(fileno(fin), &stbuf) < 0 || | |
| 1186 | (stbuf.st_mode&S_IFMT) != S_IFREG) { | |
| 1187 | reply(550, "%s: not a plain file.", filename); | |
| 1188 | (void) fclose(fin); | |
| 1189 | return; | |
| 1190 | } | |
| 1191 | ||
| 1192 | count = 0; | |
| 1193 | while((c=getc(fin)) != EOF) { | |
| 1194 | if (c == '\n') /* will get expanded to \r\n */ | |
| 1195 | count++; | |
| 1196 | count++; | |
| 1197 | } | |
| 1198 | (void) fclose(fin); | |
| 1199 | ||
| 1200 | reply(213, "%ld", count); | |
| 1201 | break;} | |
| 1202 | default: | |
| 1203 | reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]); | |
| 1204 | } | |
| 1205 | } |