Commit | Line | Data |
---|---|---|
f644bb55 | 1 | /* |
94ae9fca | 2 | * Copyright (c) 1985, 1988, 1993, 1994 |
00bbb787 | 3 | * The Regents of the University of California. All rights reserved. |
e2071415 | 4 | * |
1343342a | 5 | * %sccs.include.redist.c% |
b8c620d6 | 6 | * |
2c3d5b80 | 7 | * @(#)ftpcmd.y 8.3 (Berkeley) %G% |
f644bb55 DF |
8 | */ |
9 | ||
25d264e2 SL |
10 | /* |
11 | * Grammar for FTP commands. | |
fdb56acd | 12 | * See RFC 959. |
25d264e2 SL |
13 | */ |
14 | ||
15 | %{ | |
16 | ||
17 | #ifndef lint | |
2c3d5b80 | 18 | static char sccsid[] = "@(#)ftpcmd.y 8.3 (Berkeley) %G%"; |
e2071415 | 19 | #endif /* not lint */ |
25d264e2 | 20 | |
4d340163 | 21 | #include <sys/param.h> |
25d264e2 | 22 | #include <sys/socket.h> |
5bb0ca89 | 23 | #include <sys/stat.h> |
6bd3999a | 24 | |
25d264e2 | 25 | #include <netinet/in.h> |
23eeaca6 | 26 | #include <arpa/ftp.h> |
6bd3999a | 27 | |
94ae9fca | 28 | #include <ctype.h> |
6bd3999a | 29 | #include <errno.h> |
94ae9fca JSP |
30 | #include <glob.h> |
31 | #include <pwd.h> | |
32 | #include <setjmp.h> | |
33 | #include <signal.h> | |
5bb0ca89 | 34 | #include <stdio.h> |
5bb0ca89 KB |
35 | #include <stdlib.h> |
36 | #include <string.h> | |
94ae9fca JSP |
37 | #include <syslog.h> |
38 | #include <time.h> | |
39 | #include <unistd.h> | |
40 | ||
6bd3999a | 41 | #include "extern.h" |
25d264e2 SL |
42 | |
43 | extern struct sockaddr_in data_dest; | |
44 | extern int logged_in; | |
45 | extern struct passwd *pw; | |
46 | extern int guest; | |
47 | extern int logging; | |
48 | extern int type; | |
49 | extern int form; | |
50 | extern int debug; | |
5ac6fc46 | 51 | extern int timeout; |
fdb56acd | 52 | extern int maxtimeout; |
07fffe50 | 53 | extern int pdata; |
843d1a1c | 54 | extern char hostname[], remotehost[]; |
fdb56acd | 55 | extern char proctitle[]; |
1d92d63d | 56 | extern int usedefault; |
07fffe50 GM |
57 | extern int transflag; |
58 | extern char tmpline[]; | |
25d264e2 SL |
59 | |
60 | static int cmd_type; | |
61 | static int cmd_form; | |
62 | static int cmd_bytesz; | |
882508af MK |
63 | char cbuf[512]; |
64 | char *fromname; | |
25d264e2 | 65 | |
25d264e2 SL |
66 | %} |
67 | ||
94ae9fca JSP |
68 | %union { |
69 | int i; | |
70 | char *s; | |
71 | } | |
72 | ||
25d264e2 SL |
73 | %token |
74 | A B C E F I | |
75 | L N P R S T | |
76 | ||
94ae9fca | 77 | SP CRLF COMMA |
25d264e2 SL |
78 | |
79 | USER PASS ACCT REIN QUIT PORT | |
80 | PASV TYPE STRU MODE RETR STOR | |
81 | APPE MLFL MAIL MSND MSOM MSAM | |
82 | MRSQ MRCP ALLO REST RNFR RNTO | |
83 | ABOR DELE CWD LIST NLST SITE | |
843d1a1c | 84 | STAT HELP NOOP MKD RMD PWD |
fdb56acd MK |
85 | CDUP STOU SMNT SYST SIZE MDTM |
86 | ||
87 | UMASK IDLE CHMOD | |
25d264e2 SL |
88 | |
89 | LEXERR | |
90 | ||
94ae9fca JSP |
91 | %token <s> STRING |
92 | %token <i> NUMBER | |
93 | ||
94 | %type <i> check_login octal_number byte_size | |
95 | %type <i> struct_code mode_code type_code form_code | |
96 | %type <s> pathstring pathname password username | |
97 | ||
25d264e2 SL |
98 | %start cmd_list |
99 | ||
100 | %% | |
101 | ||
94ae9fca JSP |
102 | cmd_list |
103 | : /* empty */ | |
104 | | cmd_list cmd | |
105 | { | |
ec67a549 SJ |
106 | fromname = (char *) 0; |
107 | } | |
94ae9fca | 108 | | cmd_list rcmd |
25d264e2 SL |
109 | ; |
110 | ||
94ae9fca JSP |
111 | cmd |
112 | : USER SP username CRLF | |
113 | { | |
114 | user($3); | |
115 | free($3); | |
25d264e2 | 116 | } |
94ae9fca JSP |
117 | | PASS SP password CRLF |
118 | { | |
119 | pass($3); | |
120 | free($3); | |
25d264e2 | 121 | } |
94ae9fca JSP |
122 | | PORT SP host_port CRLF |
123 | { | |
1d92d63d | 124 | usedefault = 0; |
882508af | 125 | if (pdata >= 0) { |
07fffe50 | 126 | (void) close(pdata); |
882508af | 127 | pdata = -1; |
07fffe50 | 128 | } |
7ccaf1e3 | 129 | reply(200, "PORT command successful."); |
25d264e2 | 130 | } |
94ae9fca JSP |
131 | | PASV CRLF |
132 | { | |
07fffe50 GM |
133 | passive(); |
134 | } | |
94ae9fca JSP |
135 | | TYPE SP type_code CRLF |
136 | { | |
25d264e2 SL |
137 | switch (cmd_type) { |
138 | ||
139 | case TYPE_A: | |
140 | if (cmd_form == FORM_N) { | |
141 | reply(200, "Type set to A."); | |
142 | type = cmd_type; | |
143 | form = cmd_form; | |
144 | } else | |
145 | reply(504, "Form must be N."); | |
146 | break; | |
147 | ||
148 | case TYPE_E: | |
149 | reply(504, "Type E not implemented."); | |
150 | break; | |
151 | ||
152 | case TYPE_I: | |
153 | reply(200, "Type set to I."); | |
154 | type = cmd_type; | |
155 | break; | |
156 | ||
157 | case TYPE_L: | |
fdb56acd MK |
158 | #if NBBY == 8 |
159 | if (cmd_bytesz == 8) { | |
25d264e2 | 160 | reply(200, |
fdb56acd | 161 | "Type set to L (byte size 8)."); |
25d264e2 SL |
162 | type = cmd_type; |
163 | } else | |
fdb56acd MK |
164 | reply(504, "Byte size must be 8."); |
165 | #else /* NBBY == 8 */ | |
166 | UNIMPLEMENTED for NBBY != 8 | |
167 | #endif /* NBBY == 8 */ | |
25d264e2 SL |
168 | } |
169 | } | |
94ae9fca JSP |
170 | | STRU SP struct_code CRLF |
171 | { | |
25d264e2 SL |
172 | switch ($3) { |
173 | ||
174 | case STRU_F: | |
175 | reply(200, "STRU F ok."); | |
176 | break; | |
177 | ||
178 | default: | |
7ccaf1e3 | 179 | reply(504, "Unimplemented STRU type."); |
25d264e2 SL |
180 | } |
181 | } | |
94ae9fca JSP |
182 | | MODE SP mode_code CRLF |
183 | { | |
25d264e2 SL |
184 | switch ($3) { |
185 | ||
186 | case MODE_S: | |
187 | reply(200, "MODE S ok."); | |
188 | break; | |
189 | ||
190 | default: | |
191 | reply(502, "Unimplemented MODE type."); | |
192 | } | |
193 | } | |
94ae9fca JSP |
194 | | ALLO SP NUMBER CRLF |
195 | { | |
7ccaf1e3 | 196 | reply(202, "ALLO command ignored."); |
25d264e2 | 197 | } |
94ae9fca JSP |
198 | | ALLO SP NUMBER SP R SP NUMBER CRLF |
199 | { | |
fdb56acd MK |
200 | reply(202, "ALLO command ignored."); |
201 | } | |
94ae9fca JSP |
202 | | RETR check_login SP pathname CRLF |
203 | { | |
8365e2f7 | 204 | if ($2 && $4 != NULL) |
94ae9fca | 205 | retrieve((char *) 0, $4); |
8365e2f7 | 206 | if ($4 != NULL) |
94ae9fca | 207 | free($4); |
25d264e2 | 208 | } |
94ae9fca JSP |
209 | | STOR check_login SP pathname CRLF |
210 | { | |
8365e2f7 | 211 | if ($2 && $4 != NULL) |
94ae9fca | 212 | store($4, "w", 0); |
8365e2f7 | 213 | if ($4 != NULL) |
94ae9fca | 214 | free($4); |
25d264e2 | 215 | } |
94ae9fca JSP |
216 | | APPE check_login SP pathname CRLF |
217 | { | |
8365e2f7 | 218 | if ($2 && $4 != NULL) |
94ae9fca | 219 | store($4, "a", 0); |
8365e2f7 | 220 | if ($4 != NULL) |
94ae9fca | 221 | free($4); |
25d264e2 | 222 | } |
94ae9fca JSP |
223 | | NLST check_login CRLF |
224 | { | |
25d264e2 | 225 | if ($2) |
843d1a1c | 226 | send_file_list("."); |
25d264e2 | 227 | } |
94ae9fca JSP |
228 | | NLST check_login SP STRING CRLF |
229 | { | |
d5991b84 | 230 | if ($2 && $4 != NULL) |
94ae9fca | 231 | send_file_list($4); |
8365e2f7 | 232 | if ($4 != NULL) |
94ae9fca | 233 | free($4); |
25d264e2 | 234 | } |
94ae9fca JSP |
235 | | LIST check_login CRLF |
236 | { | |
25d264e2 | 237 | if ($2) |
843d1a1c | 238 | retrieve("/bin/ls -lgA", ""); |
25d264e2 | 239 | } |
94ae9fca JSP |
240 | | LIST check_login SP pathname CRLF |
241 | { | |
8365e2f7 | 242 | if ($2 && $4 != NULL) |
94ae9fca | 243 | retrieve("/bin/ls -lgA %s", $4); |
8365e2f7 | 244 | if ($4 != NULL) |
94ae9fca | 245 | free($4); |
25d264e2 | 246 | } |
94ae9fca JSP |
247 | | STAT check_login SP pathname CRLF |
248 | { | |
fdb56acd | 249 | if ($2 && $4 != NULL) |
94ae9fca | 250 | statfilecmd($4); |
fdb56acd | 251 | if ($4 != NULL) |
94ae9fca | 252 | free($4); |
fdb56acd | 253 | } |
94ae9fca JSP |
254 | | STAT CRLF |
255 | { | |
fdb56acd MK |
256 | statcmd(); |
257 | } | |
94ae9fca JSP |
258 | | DELE check_login SP pathname CRLF |
259 | { | |
8365e2f7 | 260 | if ($2 && $4 != NULL) |
94ae9fca | 261 | delete($4); |
8365e2f7 | 262 | if ($4 != NULL) |
94ae9fca | 263 | free($4); |
25d264e2 | 264 | } |
94ae9fca JSP |
265 | | RNTO SP pathname CRLF |
266 | { | |
ec67a549 | 267 | if (fromname) { |
94ae9fca | 268 | renamecmd(fromname, $3); |
ec67a549 SJ |
269 | free(fromname); |
270 | fromname = (char *) 0; | |
271 | } else { | |
272 | reply(503, "Bad sequence of commands."); | |
273 | } | |
94ae9fca | 274 | free($3); |
ec67a549 | 275 | } |
94ae9fca JSP |
276 | | ABOR CRLF |
277 | { | |
7ccaf1e3 | 278 | reply(225, "ABOR command successful."); |
07fffe50 | 279 | } |
94ae9fca JSP |
280 | | CWD check_login CRLF |
281 | { | |
25d264e2 SL |
282 | if ($2) |
283 | cwd(pw->pw_dir); | |
284 | } | |
94ae9fca JSP |
285 | | CWD check_login SP pathname CRLF |
286 | { | |
8365e2f7 | 287 | if ($2 && $4 != NULL) |
94ae9fca | 288 | cwd($4); |
8365e2f7 | 289 | if ($4 != NULL) |
94ae9fca | 290 | free($4); |
25d264e2 | 291 | } |
94ae9fca JSP |
292 | | HELP CRLF |
293 | { | |
fdb56acd | 294 | help(cmdtab, (char *) 0); |
25d264e2 | 295 | } |
94ae9fca JSP |
296 | | HELP SP STRING CRLF |
297 | { | |
298 | char *cp = $3; | |
fdb56acd MK |
299 | |
300 | if (strncasecmp(cp, "SITE", 4) == 0) { | |
94ae9fca | 301 | cp = $3 + 4; |
fdb56acd MK |
302 | if (*cp == ' ') |
303 | cp++; | |
304 | if (*cp) | |
305 | help(sitetab, cp); | |
306 | else | |
307 | help(sitetab, (char *) 0); | |
308 | } else | |
94ae9fca | 309 | help(cmdtab, $3); |
25d264e2 | 310 | } |
94ae9fca JSP |
311 | | NOOP CRLF |
312 | { | |
7ccaf1e3 | 313 | reply(200, "NOOP command successful."); |
25d264e2 | 314 | } |
94ae9fca JSP |
315 | | MKD check_login SP pathname CRLF |
316 | { | |
8365e2f7 | 317 | if ($2 && $4 != NULL) |
94ae9fca | 318 | makedir($4); |
8365e2f7 | 319 | if ($4 != NULL) |
94ae9fca | 320 | free($4); |
25d264e2 | 321 | } |
94ae9fca JSP |
322 | | RMD check_login SP pathname CRLF |
323 | { | |
8365e2f7 | 324 | if ($2 && $4 != NULL) |
94ae9fca | 325 | removedir($4); |
8365e2f7 | 326 | if ($4 != NULL) |
94ae9fca | 327 | free($4); |
25d264e2 | 328 | } |
94ae9fca JSP |
329 | | PWD check_login CRLF |
330 | { | |
25d264e2 | 331 | if ($2) |
8365e2f7 | 332 | pwd(); |
25d264e2 | 333 | } |
94ae9fca JSP |
334 | | CDUP check_login CRLF |
335 | { | |
25d264e2 SL |
336 | if ($2) |
337 | cwd(".."); | |
338 | } | |
94ae9fca JSP |
339 | | SITE SP HELP CRLF |
340 | { | |
fdb56acd MK |
341 | help(sitetab, (char *) 0); |
342 | } | |
94ae9fca JSP |
343 | | SITE SP HELP SP STRING CRLF |
344 | { | |
345 | help(sitetab, $5); | |
fdb56acd | 346 | } |
94ae9fca JSP |
347 | | SITE SP UMASK check_login CRLF |
348 | { | |
fdb56acd MK |
349 | int oldmask; |
350 | ||
351 | if ($4) { | |
352 | oldmask = umask(0); | |
353 | (void) umask(oldmask); | |
354 | reply(200, "Current UMASK is %03o", oldmask); | |
355 | } | |
356 | } | |
94ae9fca JSP |
357 | | SITE SP UMASK check_login SP octal_number CRLF |
358 | { | |
fdb56acd MK |
359 | int oldmask; |
360 | ||
361 | if ($4) { | |
362 | if (($6 == -1) || ($6 > 0777)) { | |
363 | reply(501, "Bad UMASK value"); | |
364 | } else { | |
365 | oldmask = umask($6); | |
366 | reply(200, | |
367 | "UMASK set to %03o (was %03o)", | |
368 | $6, oldmask); | |
369 | } | |
370 | } | |
371 | } | |
94ae9fca JSP |
372 | | SITE SP CHMOD check_login SP octal_number SP pathname CRLF |
373 | { | |
fdb56acd MK |
374 | if ($4 && ($8 != NULL)) { |
375 | if ($6 > 0777) | |
376 | reply(501, | |
377 | "CHMOD: Mode value must be between 0 and 0777"); | |
94ae9fca JSP |
378 | else if (chmod($8, $6) < 0) |
379 | perror_reply(550, $8); | |
fdb56acd MK |
380 | else |
381 | reply(200, "CHMOD command successful."); | |
382 | } | |
383 | if ($8 != NULL) | |
94ae9fca | 384 | free($8); |
fdb56acd | 385 | } |
94ae9fca JSP |
386 | | SITE SP IDLE CRLF |
387 | { | |
fdb56acd MK |
388 | reply(200, |
389 | "Current IDLE time limit is %d seconds; max %d", | |
390 | timeout, maxtimeout); | |
391 | } | |
94ae9fca JSP |
392 | | SITE SP IDLE SP NUMBER CRLF |
393 | { | |
fdb56acd MK |
394 | if ($5 < 30 || $5 > maxtimeout) { |
395 | reply(501, | |
396 | "Maximum IDLE time must be between 30 and %d seconds", | |
397 | maxtimeout); | |
398 | } else { | |
399 | timeout = $5; | |
400 | (void) alarm((unsigned) timeout); | |
401 | reply(200, | |
402 | "Maximum IDLE time set to %d seconds", | |
403 | timeout); | |
404 | } | |
405 | } | |
94ae9fca JSP |
406 | | STOU check_login SP pathname CRLF |
407 | { | |
882508af | 408 | if ($2 && $4 != NULL) |
94ae9fca | 409 | store($4, "w", 1); |
07fffe50 | 410 | if ($4 != NULL) |
94ae9fca | 411 | free($4); |
07fffe50 | 412 | } |
94ae9fca JSP |
413 | | SYST CRLF |
414 | { | |
ff8adb76 | 415 | #ifdef unix |
fdb56acd | 416 | #ifdef BSD |
4d340163 KB |
417 | reply(215, "UNIX Type: L%d Version: BSD-%d", |
418 | NBBY, BSD); | |
fdb56acd MK |
419 | #else /* BSD */ |
420 | reply(215, "UNIX Type: L%d", NBBY); | |
421 | #endif /* BSD */ | |
422 | #else /* unix */ | |
423 | reply(215, "UNKNOWN Type: L%d", NBBY); | |
424 | #endif /* unix */ | |
425 | } | |
426 | ||
427 | /* | |
428 | * SIZE is not in RFC959, but Postel has blessed it and | |
429 | * it will be in the updated RFC. | |
430 | * | |
431 | * Return size of file in a format suitable for | |
432 | * using with RESTART (we just count bytes). | |
433 | */ | |
94ae9fca JSP |
434 | | SIZE check_login SP pathname CRLF |
435 | { | |
fdb56acd | 436 | if ($2 && $4 != NULL) |
94ae9fca | 437 | sizecmd($4); |
fdb56acd | 438 | if ($4 != NULL) |
94ae9fca | 439 | free($4); |
fdb56acd MK |
440 | } |
441 | ||
442 | /* | |
443 | * MDTM is not in RFC959, but Postel has blessed it and | |
444 | * it will be in the updated RFC. | |
445 | * | |
446 | * Return modification time of file as an ISO 3307 | |
447 | * style time. E.g. YYYYMMDDHHMMSS or YYYYMMDDHHMMSS.xxx | |
448 | * where xxx is the fractional second (of any precision, | |
449 | * not necessarily 3 digits) | |
450 | */ | |
94ae9fca JSP |
451 | | MDTM check_login SP pathname CRLF |
452 | { | |
fdb56acd MK |
453 | if ($2 && $4 != NULL) { |
454 | struct stat stbuf; | |
94ae9fca | 455 | if (stat($4, &stbuf) < 0) |
6bd3999a | 456 | reply(550, "%s: %s", |
94ae9fca JSP |
457 | $4, strerror(errno)); |
458 | else if (!S_ISREG(stbuf.st_mode)) { | |
459 | reply(550, "%s: not a plain file.", $4); | |
fdb56acd | 460 | } else { |
94ae9fca | 461 | struct tm *t; |
fdb56acd MK |
462 | t = gmtime(&stbuf.st_mtime); |
463 | reply(213, | |
464 | "19%02d%02d%02d%02d%02d%02d", | |
465 | t->tm_year, t->tm_mon+1, t->tm_mday, | |
466 | t->tm_hour, t->tm_min, t->tm_sec); | |
467 | } | |
468 | } | |
469 | if ($4 != NULL) | |
94ae9fca | 470 | free($4); |
4d340163 | 471 | } |
94ae9fca JSP |
472 | | QUIT CRLF |
473 | { | |
25d264e2 | 474 | reply(221, "Goodbye."); |
bb16805b | 475 | dologout(0); |
25d264e2 | 476 | } |
94ae9fca JSP |
477 | | error CRLF |
478 | { | |
25d264e2 SL |
479 | yyerrok; |
480 | } | |
481 | ; | |
94ae9fca JSP |
482 | rcmd |
483 | : RNFR check_login SP pathname CRLF | |
484 | { | |
ec67a549 SJ |
485 | char *renamefrom(); |
486 | ||
487 | if ($2 && $4) { | |
94ae9fca | 488 | fromname = renamefrom($4); |
ec67a549 | 489 | if (fromname == (char *) 0 && $4) { |
94ae9fca | 490 | free($4); |
ec67a549 SJ |
491 | } |
492 | } | |
493 | } | |
494 | ; | |
d5991b84 | 495 | |
94ae9fca JSP |
496 | username |
497 | : STRING | |
25d264e2 SL |
498 | ; |
499 | ||
94ae9fca JSP |
500 | password |
501 | : /* empty */ | |
502 | { | |
503 | $$ = (char *)calloc(1, sizeof(char)); | |
882508af | 504 | } |
94ae9fca | 505 | | STRING |
25d264e2 SL |
506 | ; |
507 | ||
94ae9fca JSP |
508 | byte_size |
509 | : NUMBER | |
25d264e2 SL |
510 | ; |
511 | ||
94ae9fca JSP |
512 | host_port |
513 | : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA | |
25d264e2 | 514 | NUMBER COMMA NUMBER |
94ae9fca JSP |
515 | { |
516 | char *a, *p; | |
25d264e2 SL |
517 | |
518 | a = (char *)&data_dest.sin_addr; | |
519 | a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7; | |
520 | p = (char *)&data_dest.sin_port; | |
521 | p[0] = $9; p[1] = $11; | |
5914191e | 522 | data_dest.sin_family = AF_INET; |
25d264e2 SL |
523 | } |
524 | ; | |
525 | ||
94ae9fca JSP |
526 | form_code |
527 | : N | |
528 | { | |
529 | $$ = FORM_N; | |
530 | } | |
531 | | T | |
532 | { | |
533 | $$ = FORM_T; | |
534 | } | |
535 | | C | |
536 | { | |
537 | $$ = FORM_C; | |
538 | } | |
25d264e2 SL |
539 | ; |
540 | ||
94ae9fca JSP |
541 | type_code |
542 | : A | |
543 | { | |
544 | cmd_type = TYPE_A; | |
545 | cmd_form = FORM_N; | |
546 | } | |
547 | | A SP form_code | |
548 | { | |
549 | cmd_type = TYPE_A; | |
550 | cmd_form = $3; | |
551 | } | |
552 | | E | |
553 | { | |
554 | cmd_type = TYPE_E; | |
555 | cmd_form = FORM_N; | |
556 | } | |
557 | | E SP form_code | |
558 | { | |
559 | cmd_type = TYPE_E; | |
560 | cmd_form = $3; | |
561 | } | |
562 | | I | |
563 | { | |
564 | cmd_type = TYPE_I; | |
565 | } | |
566 | | L | |
567 | { | |
568 | cmd_type = TYPE_L; | |
569 | cmd_bytesz = NBBY; | |
570 | } | |
571 | | L SP byte_size | |
572 | { | |
573 | cmd_type = TYPE_L; | |
574 | cmd_bytesz = $3; | |
575 | } | |
576 | /* this is for a bug in the BBN ftp */ | |
577 | | L byte_size | |
578 | { | |
579 | cmd_type = TYPE_L; | |
580 | cmd_bytesz = $2; | |
581 | } | |
25d264e2 SL |
582 | ; |
583 | ||
94ae9fca JSP |
584 | struct_code |
585 | : F | |
586 | { | |
587 | $$ = STRU_F; | |
588 | } | |
589 | | R | |
590 | { | |
591 | $$ = STRU_R; | |
592 | } | |
593 | | P | |
594 | { | |
595 | $$ = STRU_P; | |
596 | } | |
25d264e2 SL |
597 | ; |
598 | ||
94ae9fca JSP |
599 | mode_code |
600 | : S | |
601 | { | |
602 | $$ = MODE_S; | |
603 | } | |
604 | | B | |
605 | { | |
606 | $$ = MODE_B; | |
607 | } | |
608 | | C | |
609 | { | |
610 | $$ = MODE_C; | |
611 | } | |
25d264e2 SL |
612 | ; |
613 | ||
94ae9fca JSP |
614 | pathname |
615 | : pathstring | |
616 | { | |
617 | /* | |
618 | * Problem: this production is used for all pathname | |
619 | * processing, but only gives a 550 error reply. | |
620 | * This is a valid reply in some cases but not in others. | |
621 | */ | |
622 | if (logged_in && $1 && *$1 == '~') { | |
623 | glob_t gl; | |
2c3d5b80 JSP |
624 | int flags = |
625 | GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; | |
94ae9fca JSP |
626 | |
627 | memset(&gl, 0, sizeof(gl)); | |
2c3d5b80 JSP |
628 | if (glob($1, flags, NULL, &gl) || |
629 | gl.gl_pathc == 0) { | |
94ae9fca JSP |
630 | reply(550, "not found"); |
631 | $$ = NULL; | |
632 | } else { | |
633 | $$ = strdup(gl.gl_pathv[0]); | |
634 | } | |
635 | globfree(&gl); | |
636 | free($1); | |
637 | } else | |
638 | $$ = $1; | |
639 | } | |
25d264e2 SL |
640 | ; |
641 | ||
94ae9fca JSP |
642 | pathstring |
643 | : STRING | |
25d264e2 SL |
644 | ; |
645 | ||
94ae9fca JSP |
646 | octal_number |
647 | : NUMBER | |
648 | { | |
649 | int ret, dec, multby, digit; | |
fdb56acd | 650 | |
94ae9fca JSP |
651 | /* |
652 | * Convert a number that was read as decimal number | |
653 | * to what it would be if it had been read as octal. | |
654 | */ | |
655 | dec = $1; | |
656 | multby = 1; | |
657 | ret = 0; | |
658 | while (dec) { | |
659 | digit = dec%10; | |
660 | if (digit > 7) { | |
661 | ret = -1; | |
662 | break; | |
663 | } | |
664 | ret += digit * multby; | |
665 | multby *= 8; | |
666 | dec /= 10; | |
fdb56acd | 667 | } |
94ae9fca | 668 | $$ = ret; |
fdb56acd | 669 | } |
fdb56acd MK |
670 | ; |
671 | ||
94ae9fca JSP |
672 | |
673 | check_login | |
674 | : /* empty */ | |
675 | { | |
676 | if (logged_in) | |
677 | $$ = 1; | |
678 | else { | |
679 | reply(530, "Please login with USER and PASS."); | |
680 | $$ = 0; | |
681 | } | |
25d264e2 | 682 | } |
25d264e2 SL |
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 */ | |
882508af MK |
693 | #define OSTR 4 /* optional SP then STRING */ |
694 | #define ZSTR1 5 /* SP then optional STRING */ | |
695 | #define ZSTR2 6 /* optional STRING after SP */ | |
fdb56acd MK |
696 | #define SITECMD 7 /* SITE command */ |
697 | #define NSTR 8 /* Number followed by a string */ | |
25d264e2 SL |
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" }, | |
882508af | 709 | { "PASS", PASS, ZSTR1, 1, "<sp> password" }, |
25d264e2 | 710 | { "ACCT", ACCT, STR1, 0, "(specify account)" }, |
fdb56acd | 711 | { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, |
25d264e2 SL |
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" }, | |
07fffe50 | 715 | { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, |
25d264e2 SL |
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)" }, | |
8ba00015 | 730 | { "REST", REST, ARGS, 0, "(restart command)" }, |
25d264e2 SL |
731 | { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, |
732 | { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, | |
07fffe50 | 733 | { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, |
25d264e2 | 734 | { "DELE", DELE, STR1, 1, "<sp> file-name" }, |
882508af | 735 | { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, |
25d264e2 SL |
736 | { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, |
737 | { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, | |
738 | { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, | |
fdb56acd | 739 | { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, |
4d340163 | 740 | { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, |
fdb56acd | 741 | { "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" }, |
25d264e2 SL |
742 | { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, |
743 | { "NOOP", NOOP, ARGS, 1, "" }, | |
843d1a1c RA |
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)" }, | |
07fffe50 | 752 | { "STOU", STOU, STR1, 1, "<sp> file-name" }, |
fdb56acd MK |
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> ]" }, | |
25d264e2 SL |
763 | { NULL, 0, 0, 0, 0 } |
764 | }; | |
765 | ||
6bd3999a AC |
766 | static char *copy __P((char *)); |
767 | static void help __P((struct tab *, char *)); | |
768 | static struct tab * | |
769 | lookup __P((struct tab *, char *)); | |
770 | static void sizecmd __P((char *)); | |
771 | static void toolong __P((int)); | |
772 | static int yylex __P((void)); | |
773 | ||
774 | static struct tab * | |
fdb56acd | 775 | lookup(p, cmd) |
94ae9fca | 776 | struct tab *p; |
25d264e2 SL |
777 | char *cmd; |
778 | { | |
25d264e2 | 779 | |
fdb56acd | 780 | for (; p->name != NULL; p++) |
25d264e2 SL |
781 | if (strcmp(cmd, p->name) == 0) |
782 | return (p); | |
783 | return (0); | |
784 | } | |
785 | ||
23eeaca6 | 786 | #include <arpa/telnet.h> |
25d264e2 SL |
787 | |
788 | /* | |
789 | * getline - a hacked up version of fgets to ignore TELNET escape codes. | |
790 | */ | |
791 | char * | |
792 | getline(s, n, iop) | |
793 | char *s; | |
6bd3999a | 794 | int n; |
94ae9fca | 795 | FILE *iop; |
25d264e2 | 796 | { |
94ae9fca | 797 | int c; |
df2f99b4 | 798 | register char *cs; |
25d264e2 SL |
799 | |
800 | cs = s; | |
b7cc6a20 | 801 | /* tmpline may contain saved command from urgent mode interruption */ |
07fffe50 GM |
802 | for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) { |
803 | *cs++ = tmpline[c]; | |
804 | if (tmpline[c] == '\n') { | |
805 | *cs++ = '\0'; | |
882508af MK |
806 | if (debug) |
807 | syslog(LOG_DEBUG, "command: %s", s); | |
07fffe50 GM |
808 | tmpline[0] = '\0'; |
809 | return(s); | |
810 | } | |
882508af | 811 | if (c == 0) |
07fffe50 | 812 | tmpline[0] = '\0'; |
07fffe50 | 813 | } |
882508af MK |
814 | while ((c = getc(iop)) != EOF) { |
815 | c &= 0377; | |
816 | if (c == IAC) { | |
817 | if ((c = getc(iop)) != EOF) { | |
818 | c &= 0377; | |
819 | switch (c) { | |
b7cc6a20 GM |
820 | case WILL: |
821 | case WONT: | |
5256bbac | 822 | c = getc(iop); |
882508af | 823 | printf("%c%c%c", IAC, DONT, 0377&c); |
b7cc6a20 | 824 | (void) fflush(stdout); |
882508af | 825 | continue; |
b7cc6a20 GM |
826 | case DO: |
827 | case DONT: | |
5256bbac | 828 | c = getc(iop); |
882508af | 829 | printf("%c%c%c", IAC, WONT, 0377&c); |
b7cc6a20 | 830 | (void) fflush(stdout); |
882508af MK |
831 | continue; |
832 | case IAC: | |
b7cc6a20 GM |
833 | break; |
834 | default: | |
882508af | 835 | continue; /* ignore command */ |
b7cc6a20 | 836 | } |
882508af | 837 | } |
25d264e2 | 838 | } |
882508af MK |
839 | *cs++ = c; |
840 | if (--n <= 0 || c == '\n') | |
25d264e2 SL |
841 | break; |
842 | } | |
b7cc6a20 | 843 | if (c == EOF && cs == s) |
418345d1 | 844 | return (NULL); |
25d264e2 | 845 | *cs++ = '\0'; |
d5991b84 KB |
846 | if (debug) { |
847 | if (!guest && strncasecmp("pass ", s, 5) == 0) { | |
848 | /* Don't syslog passwords */ | |
849 | syslog(LOG_DEBUG, "command: %.5s ???", s); | |
850 | } else { | |
851 | register char *cp; | |
852 | register int len; | |
853 | ||
854 | /* Don't syslog trailing CR-LF */ | |
855 | len = strlen(s); | |
856 | cp = s + len - 1; | |
857 | while (cp >= s && (*cp == '\n' || *cp == '\r')) { | |
858 | --cp; | |
859 | --len; | |
860 | } | |
861 | syslog(LOG_DEBUG, "command: %.*s", len, s); | |
862 | } | |
863 | } | |
25d264e2 SL |
864 | return (s); |
865 | } | |
866 | ||
5bb0ca89 | 867 | static void |
6bd3999a AC |
868 | toolong(signo) |
869 | int signo; | |
5ac6fc46 | 870 | { |
5ac6fc46 SL |
871 | |
872 | reply(421, | |
d5991b84 KB |
873 | "Timeout (%d seconds): closing control connection.", timeout); |
874 | if (logging) | |
875 | syslog(LOG_INFO, "User %s timed out after %d seconds", | |
876 | (pw ? pw -> pw_name : "unknown"), timeout); | |
bb16805b | 877 | dologout(1); |
5ac6fc46 SL |
878 | } |
879 | ||
6bd3999a | 880 | static int |
25d264e2 SL |
881 | yylex() |
882 | { | |
25d264e2 | 883 | static int cpos, state; |
94ae9fca JSP |
884 | char *cp, *cp2; |
885 | struct tab *p; | |
25d264e2 | 886 | int n; |
6bd3999a | 887 | char c; |
25d264e2 SL |
888 | |
889 | for (;;) { | |
890 | switch (state) { | |
891 | ||
892 | case CMD: | |
df2f99b4 GM |
893 | (void) signal(SIGALRM, toolong); |
894 | (void) alarm((unsigned) timeout); | |
25d264e2 SL |
895 | if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) { |
896 | reply(221, "You could at least say goodbye."); | |
bb16805b | 897 | dologout(0); |
25d264e2 | 898 | } |
df2f99b4 | 899 | (void) alarm(0); |
843d1a1c | 900 | #ifdef SETPROCTITLE |
fdb56acd MK |
901 | if (strncasecmp(cbuf, "PASS", 4) != NULL) |
902 | setproctitle("%s: %s", proctitle, cbuf); | |
843d1a1c | 903 | #endif /* SETPROCTITLE */ |
ae8d4c29 | 904 | if ((cp = strchr(cbuf, '\r'))) { |
02b12178 KB |
905 | *cp++ = '\n'; |
906 | *cp = '\0'; | |
907 | } | |
5256bbac KB |
908 | if ((cp = strpbrk(cbuf, " \n"))) |
909 | cpos = cp - cbuf; | |
882508af | 910 | if (cpos == 0) |
25d264e2 SL |
911 | cpos = 4; |
912 | c = cbuf[cpos]; | |
913 | cbuf[cpos] = '\0'; | |
914 | upper(cbuf); | |
fdb56acd | 915 | p = lookup(cmdtab, cbuf); |
25d264e2 SL |
916 | cbuf[cpos] = c; |
917 | if (p != 0) { | |
918 | if (p->implemented == 0) { | |
919 | nack(p->name); | |
df2f99b4 | 920 | longjmp(errcatch,0); |
25d264e2 SL |
921 | /* NOTREACHED */ |
922 | } | |
923 | state = p->state; | |
94ae9fca | 924 | yylval.s = p->name; |
25d264e2 SL |
925 | return (p->token); |
926 | } | |
927 | break; | |
928 | ||
fdb56acd MK |
929 | case SITECMD: |
930 | if (cbuf[cpos] == ' ') { | |
931 | cpos++; | |
932 | return (SP); | |
933 | } | |
934 | cp = &cbuf[cpos]; | |
935 | if ((cp2 = strpbrk(cp, " \n"))) | |
936 | cpos = cp2 - cbuf; | |
937 | c = cbuf[cpos]; | |
938 | cbuf[cpos] = '\0'; | |
939 | upper(cp); | |
940 | p = lookup(sitetab, cp); | |
941 | cbuf[cpos] = c; | |
942 | if (p != 0) { | |
943 | if (p->implemented == 0) { | |
944 | state = CMD; | |
945 | nack(p->name); | |
946 | longjmp(errcatch,0); | |
947 | /* NOTREACHED */ | |
948 | } | |
949 | state = p->state; | |
94ae9fca | 950 | yylval.s = p->name; |
fdb56acd MK |
951 | return (p->token); |
952 | } | |
953 | state = CMD; | |
954 | break; | |
955 | ||
25d264e2 SL |
956 | case OSTR: |
957 | if (cbuf[cpos] == '\n') { | |
958 | state = CMD; | |
959 | return (CRLF); | |
960 | } | |
9103ec12 | 961 | /* FALLTHROUGH */ |
25d264e2 SL |
962 | |
963 | case STR1: | |
882508af | 964 | case ZSTR1: |
fdb56acd | 965 | dostr1: |
25d264e2 SL |
966 | if (cbuf[cpos] == ' ') { |
967 | cpos++; | |
9103ec12 | 968 | state = state == OSTR ? STR2 : ++state; |
25d264e2 SL |
969 | return (SP); |
970 | } | |
971 | break; | |
972 | ||
882508af MK |
973 | case ZSTR2: |
974 | if (cbuf[cpos] == '\n') { | |
975 | state = CMD; | |
976 | return (CRLF); | |
977 | } | |
fdb56acd | 978 | /* FALLTHROUGH */ |
882508af | 979 | |
25d264e2 SL |
980 | case STR2: |
981 | cp = &cbuf[cpos]; | |
982 | n = strlen(cp); | |
983 | cpos += n - 1; | |
984 | /* | |
985 | * Make sure the string is nonempty and \n terminated. | |
986 | */ | |
987 | if (n > 1 && cbuf[cpos] == '\n') { | |
988 | cbuf[cpos] = '\0'; | |
94ae9fca | 989 | yylval.s = copy(cp); |
25d264e2 SL |
990 | cbuf[cpos] = '\n'; |
991 | state = ARGS; | |
992 | return (STRING); | |
993 | } | |
994 | break; | |
995 | ||
fdb56acd MK |
996 | case NSTR: |
997 | if (cbuf[cpos] == ' ') { | |
998 | cpos++; | |
999 | return (SP); | |
1000 | } | |
1001 | if (isdigit(cbuf[cpos])) { | |
1002 | cp = &cbuf[cpos]; | |
1003 | while (isdigit(cbuf[++cpos])) | |
1004 | ; | |
1005 | c = cbuf[cpos]; | |
1006 | cbuf[cpos] = '\0'; | |
94ae9fca | 1007 | yylval.i = atoi(cp); |
fdb56acd MK |
1008 | cbuf[cpos] = c; |
1009 | state = STR1; | |
1010 | return (NUMBER); | |
1011 | } | |
1012 | state = STR1; | |
1013 | goto dostr1; | |
1014 | ||
25d264e2 SL |
1015 | case ARGS: |
1016 | if (isdigit(cbuf[cpos])) { | |
1017 | cp = &cbuf[cpos]; | |
1018 | while (isdigit(cbuf[++cpos])) | |
1019 | ; | |
1020 | c = cbuf[cpos]; | |
1021 | cbuf[cpos] = '\0'; | |
94ae9fca | 1022 | yylval.i = atoi(cp); |
25d264e2 SL |
1023 | cbuf[cpos] = c; |
1024 | return (NUMBER); | |
1025 | } | |
1026 | switch (cbuf[cpos++]) { | |
1027 | ||
1028 | case '\n': | |
1029 | state = CMD; | |
1030 | return (CRLF); | |
1031 | ||
1032 | case ' ': | |
1033 | return (SP); | |
1034 | ||
1035 | case ',': | |
1036 | return (COMMA); | |
1037 | ||
1038 | case 'A': | |
1039 | case 'a': | |
1040 | return (A); | |
1041 | ||
1042 | case 'B': | |
1043 | case 'b': | |
1044 | return (B); | |
1045 | ||
1046 | case 'C': | |
1047 | case 'c': | |
1048 | return (C); | |
1049 | ||
1050 | case 'E': | |
1051 | case 'e': | |
1052 | return (E); | |
1053 | ||
1054 | case 'F': | |
1055 | case 'f': | |
1056 | return (F); | |
1057 | ||
1058 | case 'I': | |
1059 | case 'i': | |
1060 | return (I); | |
1061 | ||
1062 | case 'L': | |
1063 | case 'l': | |
1064 | return (L); | |
1065 | ||
1066 | case 'N': | |
1067 | case 'n': | |
1068 | return (N); | |
1069 | ||
1070 | case 'P': | |
1071 | case 'p': | |
1072 | return (P); | |
1073 | ||
1074 | case 'R': | |
1075 | case 'r': | |
1076 | return (R); | |
1077 | ||
1078 | case 'S': | |
1079 | case 's': | |
1080 | return (S); | |
1081 | ||
1082 | case 'T': | |
1083 | case 't': | |
1084 | return (T); | |
1085 | ||
1086 | } | |
1087 | break; | |
1088 | ||
1089 | default: | |
1090 | fatal("Unknown state in scanner."); | |
1091 | } | |
df2f99b4 | 1092 | yyerror((char *) 0); |
25d264e2 | 1093 | state = CMD; |
df2f99b4 | 1094 | longjmp(errcatch,0); |
25d264e2 SL |
1095 | } |
1096 | } | |
1097 | ||
6bd3999a | 1098 | void |
25d264e2 | 1099 | upper(s) |
94ae9fca | 1100 | char *s; |
25d264e2 SL |
1101 | { |
1102 | while (*s != '\0') { | |
1103 | if (islower(*s)) | |
1104 | *s = toupper(*s); | |
1105 | s++; | |
1106 | } | |
1107 | } | |
1108 | ||
6bd3999a | 1109 | static char * |
25d264e2 SL |
1110 | copy(s) |
1111 | char *s; | |
1112 | { | |
1113 | char *p; | |
25d264e2 | 1114 | |
df2f99b4 | 1115 | p = malloc((unsigned) strlen(s) + 1); |
25d264e2 SL |
1116 | if (p == NULL) |
1117 | fatal("Ran out of memory."); | |
df2f99b4 | 1118 | (void) strcpy(p, s); |
fdb56acd | 1119 | return (p); |
25d264e2 SL |
1120 | } |
1121 | ||
6bd3999a | 1122 | static void |
fdb56acd MK |
1123 | help(ctab, s) |
1124 | struct tab *ctab; | |
25d264e2 SL |
1125 | char *s; |
1126 | { | |
94ae9fca JSP |
1127 | struct tab *c; |
1128 | int width, NCMDS; | |
fdb56acd | 1129 | char *type; |
25d264e2 | 1130 | |
fdb56acd MK |
1131 | if (ctab == sitetab) |
1132 | type = "SITE "; | |
1133 | else | |
1134 | type = ""; | |
25d264e2 | 1135 | width = 0, NCMDS = 0; |
fdb56acd MK |
1136 | for (c = ctab; c->name != NULL; c++) { |
1137 | int len = strlen(c->name); | |
25d264e2 | 1138 | |
25d264e2 SL |
1139 | if (len > width) |
1140 | width = len; | |
1141 | NCMDS++; | |
1142 | } | |
1143 | width = (width + 8) &~ 7; | |
1144 | if (s == 0) { | |
94ae9fca | 1145 | int i, j, w; |
25d264e2 SL |
1146 | int columns, lines; |
1147 | ||
fdb56acd MK |
1148 | lreply(214, "The following %scommands are recognized %s.", |
1149 | type, "(* =>'s unimplemented)"); | |
25d264e2 SL |
1150 | columns = 76 / width; |
1151 | if (columns == 0) | |
1152 | columns = 1; | |
1153 | lines = (NCMDS + columns - 1) / columns; | |
1154 | for (i = 0; i < lines; i++) { | |
7ccaf1e3 | 1155 | printf(" "); |
25d264e2 | 1156 | for (j = 0; j < columns; j++) { |
fdb56acd | 1157 | c = ctab + j * lines + i; |
25d264e2 SL |
1158 | printf("%s%c", c->name, |
1159 | c->implemented ? ' ' : '*'); | |
fdb56acd | 1160 | if (c + lines >= &ctab[NCMDS]) |
25d264e2 | 1161 | break; |
30ed6738 | 1162 | w = strlen(c->name) + 1; |
25d264e2 SL |
1163 | while (w < width) { |
1164 | putchar(' '); | |
1165 | w++; | |
1166 | } | |
1167 | } | |
1168 | printf("\r\n"); | |
1169 | } | |
df2f99b4 | 1170 | (void) fflush(stdout); |
25d264e2 SL |
1171 | reply(214, "Direct comments to ftp-bugs@%s.", hostname); |
1172 | return; | |
1173 | } | |
1174 | upper(s); | |
fdb56acd | 1175 | c = lookup(ctab, s); |
25d264e2 | 1176 | if (c == (struct tab *)0) { |
7ccaf1e3 | 1177 | reply(502, "Unknown command %s.", s); |
25d264e2 SL |
1178 | return; |
1179 | } | |
1180 | if (c->implemented) | |
fdb56acd | 1181 | reply(214, "Syntax: %s%s %s", type, c->name, c->help); |
25d264e2 | 1182 | else |
fdb56acd MK |
1183 | reply(214, "%s%-*s\t%s; unimplemented.", type, width, |
1184 | c->name, c->help); | |
1185 | } | |
1186 | ||
6bd3999a | 1187 | static void |
fdb56acd | 1188 | sizecmd(filename) |
6bd3999a | 1189 | char *filename; |
fdb56acd MK |
1190 | { |
1191 | switch (type) { | |
1192 | case TYPE_L: | |
1193 | case TYPE_I: { | |
1194 | struct stat stbuf; | |
94ae9fca | 1195 | if (stat(filename, &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) |
fdb56acd MK |
1196 | reply(550, "%s: not a plain file.", filename); |
1197 | else | |
94ae9fca JSP |
1198 | reply(213, "%qu", stbuf.st_size); |
1199 | break; } | |
fdb56acd MK |
1200 | case TYPE_A: { |
1201 | FILE *fin; | |
94ae9fca JSP |
1202 | int c; |
1203 | off_t count; | |
fdb56acd MK |
1204 | struct stat stbuf; |
1205 | fin = fopen(filename, "r"); | |
1206 | if (fin == NULL) { | |
1207 | perror_reply(550, filename); | |
1208 | return; | |
1209 | } | |
94ae9fca | 1210 | if (fstat(fileno(fin), &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) { |
fdb56acd MK |
1211 | reply(550, "%s: not a plain file.", filename); |
1212 | (void) fclose(fin); | |
1213 | return; | |
1214 | } | |
1215 | ||
1216 | count = 0; | |
1217 | while((c=getc(fin)) != EOF) { | |
1218 | if (c == '\n') /* will get expanded to \r\n */ | |
1219 | count++; | |
1220 | count++; | |
1221 | } | |
1222 | (void) fclose(fin); | |
1223 | ||
94ae9fca JSP |
1224 | reply(213, "%qd", count); |
1225 | break; } | |
fdb56acd MK |
1226 | default: |
1227 | reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]); | |
1228 | } | |
25d264e2 | 1229 | } |