xref: /freebsd/crypto/heimdal/appl/ftp/ftpd/ftpcmd.c (revision 271c3a9060f2ee55607ebe146523f888e1db2654)
1 /* A Bison parser, made by GNU Bison 2.3.  */
2 
3 /* Skeleton implementation for Bison's Yacc-like parsers in C
4 
5    Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
6    Free Software Foundation, Inc.
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2, or (at your option)
11    any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 51 Franklin Street, Fifth Floor,
21    Boston, MA 02110-1301, USA.  */
22 
23 /* As a special exception, you may create a larger work that contains
24    part or all of the Bison parser skeleton and distribute that work
25    under terms of your choice, so long as that work isn't itself a
26    parser generator using the skeleton or a modified version thereof
27    as a parser skeleton.  Alternatively, if you modify or redistribute
28    the parser skeleton itself, you may (at your option) remove this
29    special exception, which will cause the skeleton and the resulting
30    Bison output files to be licensed under the GNU General Public
31    License without this special exception.
32 
33    This special exception was added by the Free Software Foundation in
34    version 2.2 of Bison.  */
35 
36 /* C LALR(1) parser skeleton written by Richard Stallman, by
37    simplifying the original so-called "semantic" parser.  */
38 
39 /* All symbols defined below should begin with yy or YY, to avoid
40    infringing on user name space.  This should be done even for local
41    variables, as they might otherwise be expanded by user macros.
42    There are some unavoidable exceptions within include files to
43    define necessary library symbols; they are noted "INFRINGES ON
44    USER NAME SPACE" below.  */
45 
46 /* Identify Bison output.  */
47 #define YYBISON 1
48 
49 /* Bison version.  */
50 #define YYBISON_VERSION "2.3"
51 
52 /* Skeleton name.  */
53 #define YYSKELETON_NAME "yacc.c"
54 
55 /* Pure parsers.  */
56 #define YYPURE 0
57 
58 /* Using locations.  */
59 #define YYLSP_NEEDED 0
60 
61 
62 
63 /* Tokens.  */
64 #ifndef YYTOKENTYPE
65 # define YYTOKENTYPE
66    /* Put the tokens into the symbol table, so that GDB and other debuggers
67       know about them.  */
68    enum yytokentype {
69      A = 258,
70      B = 259,
71      C = 260,
72      E = 261,
73      F = 262,
74      I = 263,
75      L = 264,
76      N = 265,
77      P = 266,
78      R = 267,
79      S = 268,
80      T = 269,
81      SP = 270,
82      CRLF = 271,
83      COMMA = 272,
84      USER = 273,
85      PASS = 274,
86      ACCT = 275,
87      REIN = 276,
88      QUIT = 277,
89      PORT = 278,
90      PASV = 279,
91      TYPE = 280,
92      STRU = 281,
93      MODE = 282,
94      RETR = 283,
95      STOR = 284,
96      APPE = 285,
97      MLFL = 286,
98      MAIL = 287,
99      MSND = 288,
100      MSOM = 289,
101      MSAM = 290,
102      MRSQ = 291,
103      MRCP = 292,
104      ALLO = 293,
105      REST = 294,
106      RNFR = 295,
107      RNTO = 296,
108      ABOR = 297,
109      DELE = 298,
110      CWD = 299,
111      LIST = 300,
112      NLST = 301,
113      SITE = 302,
114      sTAT = 303,
115      HELP = 304,
116      NOOP = 305,
117      MKD = 306,
118      RMD = 307,
119      PWD = 308,
120      CDUP = 309,
121      STOU = 310,
122      SMNT = 311,
123      SYST = 312,
124      SIZE = 313,
125      MDTM = 314,
126      EPRT = 315,
127      EPSV = 316,
128      UMASK = 317,
129      IDLE = 318,
130      CHMOD = 319,
131      AUTH = 320,
132      ADAT = 321,
133      PROT = 322,
134      PBSZ = 323,
135      CCC = 324,
136      MIC = 325,
137      CONF = 326,
138      ENC = 327,
139      KAUTH = 328,
140      KLIST = 329,
141      KDESTROY = 330,
142      KRBTKFILE = 331,
143      AFSLOG = 332,
144      LOCATE = 333,
145      URL = 334,
146      FEAT = 335,
147      OPTS = 336,
148      LEXERR = 337,
149      STRING = 338,
150      NUMBER = 339
151    };
152 #endif
153 /* Tokens.  */
154 #define A 258
155 #define B 259
156 #define C 260
157 #define E 261
158 #define F 262
159 #define I 263
160 #define L 264
161 #define N 265
162 #define P 266
163 #define R 267
164 #define S 268
165 #define T 269
166 #define SP 270
167 #define CRLF 271
168 #define COMMA 272
169 #define USER 273
170 #define PASS 274
171 #define ACCT 275
172 #define REIN 276
173 #define QUIT 277
174 #define PORT 278
175 #define PASV 279
176 #define TYPE 280
177 #define STRU 281
178 #define MODE 282
179 #define RETR 283
180 #define STOR 284
181 #define APPE 285
182 #define MLFL 286
183 #define MAIL 287
184 #define MSND 288
185 #define MSOM 289
186 #define MSAM 290
187 #define MRSQ 291
188 #define MRCP 292
189 #define ALLO 293
190 #define REST 294
191 #define RNFR 295
192 #define RNTO 296
193 #define ABOR 297
194 #define DELE 298
195 #define CWD 299
196 #define LIST 300
197 #define NLST 301
198 #define SITE 302
199 #define sTAT 303
200 #define HELP 304
201 #define NOOP 305
202 #define MKD 306
203 #define RMD 307
204 #define PWD 308
205 #define CDUP 309
206 #define STOU 310
207 #define SMNT 311
208 #define SYST 312
209 #define SIZE 313
210 #define MDTM 314
211 #define EPRT 315
212 #define EPSV 316
213 #define UMASK 317
214 #define IDLE 318
215 #define CHMOD 319
216 #define AUTH 320
217 #define ADAT 321
218 #define PROT 322
219 #define PBSZ 323
220 #define CCC 324
221 #define MIC 325
222 #define CONF 326
223 #define ENC 327
224 #define KAUTH 328
225 #define KLIST 329
226 #define KDESTROY 330
227 #define KRBTKFILE 331
228 #define AFSLOG 332
229 #define LOCATE 333
230 #define URL 334
231 #define FEAT 335
232 #define OPTS 336
233 #define LEXERR 337
234 #define STRING 338
235 #define NUMBER 339
236 
237 
238 
239 
240 /* Copy the first part of user declarations.  */
241 #line 43 "ftpcmd.y"
242 
243 
244 #include "ftpd_locl.h"
245 RCSID("$Id: ftpcmd.y 15677 2005-07-19 18:33:08Z lha $");
246 
247 off_t	restart_point;
248 
249 static	int hasyyerrored;
250 
251 
252 static	int cmd_type;
253 static	int cmd_form;
254 static	int cmd_bytesz;
255 char	cbuf[64*1024];
256 char	*fromname;
257 
258 struct tab {
259 	char	*name;
260 	short	token;
261 	short	state;
262 	short	implemented;	/* 1 if command is implemented */
263 	char	*help;
264 };
265 
266 extern struct tab cmdtab[];
267 extern struct tab sitetab[];
268 
269 static char		*copy (char *);
270 static void		 help (struct tab *, char *);
271 static struct tab *
272 			 lookup (struct tab *, char *);
273 static void		 sizecmd (char *);
274 static RETSIGTYPE	 toolong (int);
275 static int		 yylex (void);
276 
277 /* This is for bison */
278 
279 #if !defined(alloca) && !defined(HAVE_ALLOCA)
280 #define alloca(x) malloc(x)
281 #endif
282 
283 
284 
285 /* Enabling traces.  */
286 #ifndef YYDEBUG
287 # define YYDEBUG 0
288 #endif
289 
290 /* Enabling verbose error messages.  */
291 #ifdef YYERROR_VERBOSE
292 # undef YYERROR_VERBOSE
293 # define YYERROR_VERBOSE 1
294 #else
295 # define YYERROR_VERBOSE 0
296 #endif
297 
298 /* Enabling the token table.  */
299 #ifndef YYTOKEN_TABLE
300 # define YYTOKEN_TABLE 0
301 #endif
302 
303 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
304 typedef union YYSTYPE
305 #line 86 "ftpcmd.y"
306 {
307 	int	i;
308 	char   *s;
309 }
310 /* Line 193 of yacc.c.  */
311 #line 312 "ftpcmd.c"
312 	YYSTYPE;
313 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
314 # define YYSTYPE_IS_DECLARED 1
315 # define YYSTYPE_IS_TRIVIAL 1
316 #endif
317 
318 
319 
320 /* Copy the second part of user declarations.  */
321 
322 
323 /* Line 216 of yacc.c.  */
324 #line 325 "ftpcmd.c"
325 
326 #ifdef short
327 # undef short
328 #endif
329 
330 #ifdef YYTYPE_UINT8
331 typedef YYTYPE_UINT8 yytype_uint8;
332 #else
333 typedef unsigned char yytype_uint8;
334 #endif
335 
336 #ifdef YYTYPE_INT8
337 typedef YYTYPE_INT8 yytype_int8;
338 #elif (defined __STDC__ || defined __C99__FUNC__ \
339      || defined __cplusplus || defined _MSC_VER)
340 typedef signed char yytype_int8;
341 #else
342 typedef short int yytype_int8;
343 #endif
344 
345 #ifdef YYTYPE_UINT16
346 typedef YYTYPE_UINT16 yytype_uint16;
347 #else
348 typedef unsigned short int yytype_uint16;
349 #endif
350 
351 #ifdef YYTYPE_INT16
352 typedef YYTYPE_INT16 yytype_int16;
353 #else
354 typedef short int yytype_int16;
355 #endif
356 
357 #ifndef YYSIZE_T
358 # ifdef __SIZE_TYPE__
359 #  define YYSIZE_T __SIZE_TYPE__
360 # elif defined size_t
361 #  define YYSIZE_T size_t
362 # elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
363      || defined __cplusplus || defined _MSC_VER)
364 #  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
365 #  define YYSIZE_T size_t
366 # else
367 #  define YYSIZE_T unsigned int
368 # endif
369 #endif
370 
371 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
372 
373 #ifndef YY_
374 # if defined YYENABLE_NLS && YYENABLE_NLS
375 #  if ENABLE_NLS
376 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
377 #   define YY_(msgid) dgettext ("bison-runtime", msgid)
378 #  endif
379 # endif
380 # ifndef YY_
381 #  define YY_(msgid) msgid
382 # endif
383 #endif
384 
385 /* Suppress unused-variable warnings by "using" E.  */
386 #if ! defined lint || defined __GNUC__
387 # define YYUSE(e) ((void) (e))
388 #else
389 # define YYUSE(e) /* empty */
390 #endif
391 
392 /* Identity function, used to suppress warnings about constant conditions.  */
393 #ifndef lint
394 # define YYID(n) (n)
395 #else
396 #if (defined __STDC__ || defined __C99__FUNC__ \
397      || defined __cplusplus || defined _MSC_VER)
398 static int
399 YYID (int i)
400 #else
401 static int
402 YYID (i)
403     int i;
404 #endif
405 {
406   return i;
407 }
408 #endif
409 
410 #if ! defined yyoverflow || YYERROR_VERBOSE
411 
412 /* The parser invokes alloca or malloc; define the necessary symbols.  */
413 
414 # ifdef YYSTACK_USE_ALLOCA
415 #  if YYSTACK_USE_ALLOCA
416 #   ifdef __GNUC__
417 #    define YYSTACK_ALLOC __builtin_alloca
418 #   elif defined __BUILTIN_VA_ARG_INCR
419 #    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
420 #   elif defined _AIX
421 #    define YYSTACK_ALLOC __alloca
422 #   elif defined _MSC_VER
423 #    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
424 #    define alloca _alloca
425 #   else
426 #    define YYSTACK_ALLOC alloca
427 #    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
428      || defined __cplusplus || defined _MSC_VER)
429 #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
430 #     ifndef _STDLIB_H
431 #      define _STDLIB_H 1
432 #     endif
433 #    endif
434 #   endif
435 #  endif
436 # endif
437 
438 # ifdef YYSTACK_ALLOC
439    /* Pacify GCC's `empty if-body' warning.  */
440 #  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
441 #  ifndef YYSTACK_ALLOC_MAXIMUM
442     /* The OS might guarantee only one guard page at the bottom of the stack,
443        and a page size can be as small as 4096 bytes.  So we cannot safely
444        invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
445        to allow for a few compiler-allocated temporary stack slots.  */
446 #   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
447 #  endif
448 # else
449 #  define YYSTACK_ALLOC YYMALLOC
450 #  define YYSTACK_FREE YYFREE
451 #  ifndef YYSTACK_ALLOC_MAXIMUM
452 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
453 #  endif
454 #  if (defined __cplusplus && ! defined _STDLIB_H \
455        && ! ((defined YYMALLOC || defined malloc) \
456 	     && (defined YYFREE || defined free)))
457 #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
458 #   ifndef _STDLIB_H
459 #    define _STDLIB_H 1
460 #   endif
461 #  endif
462 #  ifndef YYMALLOC
463 #   define YYMALLOC malloc
464 #   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
465      || defined __cplusplus || defined _MSC_VER)
466 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
467 #   endif
468 #  endif
469 #  ifndef YYFREE
470 #   define YYFREE free
471 #   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
472      || defined __cplusplus || defined _MSC_VER)
473 void free (void *); /* INFRINGES ON USER NAME SPACE */
474 #   endif
475 #  endif
476 # endif
477 #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
478 
479 
480 #if (! defined yyoverflow \
481      && (! defined __cplusplus \
482 	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
483 
484 /* A type that is properly aligned for any stack member.  */
485 union yyalloc
486 {
487   yytype_int16 yyss;
488   YYSTYPE yyvs;
489   };
490 
491 /* The size of the maximum gap between one aligned stack and the next.  */
492 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
493 
494 /* The size of an array large to enough to hold all stacks, each with
495    N elements.  */
496 # define YYSTACK_BYTES(N) \
497      ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
498       + YYSTACK_GAP_MAXIMUM)
499 
500 /* Copy COUNT objects from FROM to TO.  The source and destination do
501    not overlap.  */
502 # ifndef YYCOPY
503 #  if defined __GNUC__ && 1 < __GNUC__
504 #   define YYCOPY(To, From, Count) \
505       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
506 #  else
507 #   define YYCOPY(To, From, Count)		\
508       do					\
509 	{					\
510 	  YYSIZE_T yyi;				\
511 	  for (yyi = 0; yyi < (Count); yyi++)	\
512 	    (To)[yyi] = (From)[yyi];		\
513 	}					\
514       while (YYID (0))
515 #  endif
516 # endif
517 
518 /* Relocate STACK from its old location to the new one.  The
519    local variables YYSIZE and YYSTACKSIZE give the old and new number of
520    elements in the stack, and YYPTR gives the new location of the
521    stack.  Advance YYPTR to a properly aligned location for the next
522    stack.  */
523 # define YYSTACK_RELOCATE(Stack)					\
524     do									\
525       {									\
526 	YYSIZE_T yynewbytes;						\
527 	YYCOPY (&yyptr->Stack, Stack, yysize);				\
528 	Stack = &yyptr->Stack;						\
529 	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
530 	yyptr += yynewbytes / sizeof (*yyptr);				\
531       }									\
532     while (YYID (0))
533 
534 #endif
535 
536 /* YYFINAL -- State number of the termination state.  */
537 #define YYFINAL  2
538 /* YYLAST -- Last index in YYTABLE.  */
539 #define YYLAST   327
540 
541 /* YYNTOKENS -- Number of terminals.  */
542 #define YYNTOKENS  85
543 /* YYNNTS -- Number of nonterminals.  */
544 #define YYNNTS  18
545 /* YYNRULES -- Number of rules.  */
546 #define YYNRULES  98
547 /* YYNRULES -- Number of states.  */
548 #define YYNSTATES  317
549 
550 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
551 #define YYUNDEFTOK  2
552 #define YYMAXUTOK   339
553 
554 #define YYTRANSLATE(YYX)						\
555   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
556 
557 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
558 static const yytype_uint8 yytranslate[] =
559 {
560        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
561        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
562        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
563        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
564        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
565        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
566        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
567        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
568        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
569        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
570        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
571        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
572        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
573        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
574        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
575        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
576        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
577        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
578        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
579        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
580        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
581        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
582        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
583        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
584        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
585        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
586        5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
587       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
588       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
589       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,
590       45,    46,    47,    48,    49,    50,    51,    52,    53,    54,
591       55,    56,    57,    58,    59,    60,    61,    62,    63,    64,
592       65,    66,    67,    68,    69,    70,    71,    72,    73,    74,
593       75,    76,    77,    78,    79,    80,    81,    82,    83,    84
594 };
595 
596 #if YYDEBUG
597 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
598    YYRHS.  */
599 static const yytype_uint16 yyprhs[] =
600 {
601        0,     0,     3,     4,     7,    10,    16,    22,    28,    34,
602       38,    42,    48,    54,    60,    66,    72,    82,    88,    94,
603      100,   104,   110,   114,   120,   126,   130,   136,   142,   146,
604      150,   156,   160,   166,   170,   176,   182,   186,   190,   194,
605      200,   206,   214,   220,   228,   238,   244,   252,   260,   266,
606      272,   280,   286,   294,   302,   308,   314,   318,   324,   330,
607      334,   337,   343,   349,   354,   359,   365,   371,   375,   380,
608      385,   390,   392,   393,   395,   397,   409,   411,   413,   415,
609      417,   421,   423,   427,   429,   431,   435,   438,   440,   442,
610      444,   446,   448,   450,   452,   454,   456,   458,   460
611 };
612 
613 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
614 static const yytype_int8 yyrhs[] =
615 {
616       86,     0,    -1,    -1,    86,    87,    -1,    86,    88,    -1,
617       18,    15,    89,    16,   102,    -1,    19,    15,    90,    16,
618      102,    -1,    23,    15,    92,    16,   102,    -1,    60,    15,
619       83,    16,   102,    -1,    24,    16,   101,    -1,    61,    16,
620      101,    -1,    61,    15,    83,    16,   101,    -1,    25,    15,
621       94,    16,   102,    -1,    26,    15,    95,    16,   102,    -1,
622       27,    15,    96,    16,   102,    -1,    38,    15,    84,    16,
623      102,    -1,    38,    15,    84,    15,    12,    15,    84,    16,
624      102,    -1,    28,    15,    97,    16,   101,    -1,    29,    15,
625       97,    16,   101,    -1,    30,    15,    97,    16,   101,    -1,
626       46,    16,   101,    -1,    46,    15,    83,    16,   101,    -1,
627       45,    16,   101,    -1,    45,    15,    97,    16,   101,    -1,
628       48,    15,    97,    16,   101,    -1,    48,    16,   102,    -1,
629       43,    15,    97,    16,   100,    -1,    41,    15,    97,    16,
630      100,    -1,    42,    16,   102,    -1,    44,    16,   101,    -1,
631       44,    15,    97,    16,   101,    -1,    49,    16,   102,    -1,
632       49,    15,    83,    16,   102,    -1,    50,    16,   102,    -1,
633       51,    15,    97,    16,   101,    -1,    52,    15,    97,    16,
634      100,    -1,    53,    16,   101,    -1,    54,    16,   101,    -1,
635       80,    16,   102,    -1,    81,    15,    83,    16,   102,    -1,
636       47,    15,    49,    16,   102,    -1,    47,    15,    49,    15,
637       83,    16,   102,    -1,    47,    15,    62,    16,   101,    -1,
638       47,    15,    62,    15,    99,    16,   100,    -1,    47,    15,
639       64,    15,    99,    15,    97,    16,   100,    -1,    47,    15,
640       63,    16,   102,    -1,    47,    15,    63,    15,    84,    16,
641      102,    -1,    47,    15,    73,    15,    83,    16,   101,    -1,
642       47,    15,    74,    16,   101,    -1,    47,    15,    75,    16,
643      101,    -1,    47,    15,    76,    15,    83,    16,   101,    -1,
644       47,    15,    77,    16,   101,    -1,    47,    15,    77,    15,
645       83,    16,   101,    -1,    47,    15,    78,    15,    83,    16,
646      101,    -1,    47,    15,    79,    16,   102,    -1,    55,    15,
647       97,    16,   101,    -1,    57,    16,   102,    -1,    58,    15,
648       97,    16,   101,    -1,    59,    15,    97,    16,   101,    -1,
649       22,    16,   102,    -1,     1,    16,    -1,    40,    15,    97,
650       16,   100,    -1,    39,    15,    91,    16,   102,    -1,    65,
651       15,    83,    16,    -1,    66,    15,    83,    16,    -1,    68,
652       15,    84,    16,   102,    -1,    67,    15,    83,    16,   102,
653       -1,    69,    16,   102,    -1,    70,    15,    83,    16,    -1,
654       71,    15,    83,    16,    -1,    72,    15,    83,    16,    -1,
655       83,    -1,    -1,    83,    -1,    84,    -1,    84,    17,    84,
656       17,    84,    17,    84,    17,    84,    17,    84,    -1,    10,
657       -1,    14,    -1,     5,    -1,     3,    -1,     3,    15,    93,
658       -1,     6,    -1,     6,    15,    93,    -1,     8,    -1,     9,
659       -1,     9,    15,    91,    -1,     9,    91,    -1,     7,    -1,
660       12,    -1,    11,    -1,    13,    -1,     4,    -1,     5,    -1,
661       98,    -1,    83,    -1,    84,    -1,   101,    -1,   102,    -1,
662       -1
663 };
664 
665 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
666 static const yytype_uint16 yyrline[] =
667 {
668        0,   129,   129,   131,   136,   140,   146,   153,   164,   170,
669      175,   180,   186,   223,   237,   251,   257,   263,   272,   281,
670      290,   295,   304,   309,   315,   322,   327,   334,   348,   353,
671      358,   365,   370,   387,   392,   399,   406,   411,   416,   426,
672      433,   438,   443,   451,   464,   478,   485,   502,   525,   530,
673      539,   552,   563,   576,   583,   588,   595,   613,   630,   658,
674      665,   671,   681,   691,   696,   701,   706,   711,   716,   721,
675      726,   734,   739,   742,   746,   750,   763,   767,   771,   778,
676      783,   788,   793,   798,   802,   807,   813,   821,   825,   829,
677      836,   840,   844,   851,   879,   883,   909,   917,   928
678 };
679 #endif
680 
681 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
682 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
683    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
684 static const char *const yytname[] =
685 {
686   "$end", "error", "$undefined", "A", "B", "C", "E", "F", "I", "L", "N",
687   "P", "R", "S", "T", "SP", "CRLF", "COMMA", "USER", "PASS", "ACCT",
688   "REIN", "QUIT", "PORT", "PASV", "TYPE", "STRU", "MODE", "RETR", "STOR",
689   "APPE", "MLFL", "MAIL", "MSND", "MSOM", "MSAM", "MRSQ", "MRCP", "ALLO",
690   "REST", "RNFR", "RNTO", "ABOR", "DELE", "CWD", "LIST", "NLST", "SITE",
691   "sTAT", "HELP", "NOOP", "MKD", "RMD", "PWD", "CDUP", "STOU", "SMNT",
692   "SYST", "SIZE", "MDTM", "EPRT", "EPSV", "UMASK", "IDLE", "CHMOD", "AUTH",
693   "ADAT", "PROT", "PBSZ", "CCC", "MIC", "CONF", "ENC", "KAUTH", "KLIST",
694   "KDESTROY", "KRBTKFILE", "AFSLOG", "LOCATE", "URL", "FEAT", "OPTS",
695   "LEXERR", "STRING", "NUMBER", "$accept", "cmd_list", "cmd", "rcmd",
696   "username", "password", "byte_size", "host_port", "form_code",
697   "type_code", "struct_code", "mode_code", "pathname", "pathstring",
698   "octal_number", "check_login_no_guest", "check_login", "check_secure", 0
699 };
700 #endif
701 
702 # ifdef YYPRINT
703 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
704    token YYLEX-NUM.  */
705 static const yytype_uint16 yytoknum[] =
706 {
707        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
708      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
709      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
710      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
711      295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
712      305,   306,   307,   308,   309,   310,   311,   312,   313,   314,
713      315,   316,   317,   318,   319,   320,   321,   322,   323,   324,
714      325,   326,   327,   328,   329,   330,   331,   332,   333,   334,
715      335,   336,   337,   338,   339
716 };
717 # endif
718 
719 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
720 static const yytype_uint8 yyr1[] =
721 {
722        0,    85,    86,    86,    86,    87,    87,    87,    87,    87,
723       87,    87,    87,    87,    87,    87,    87,    87,    87,    87,
724       87,    87,    87,    87,    87,    87,    87,    87,    87,    87,
725       87,    87,    87,    87,    87,    87,    87,    87,    87,    87,
726       87,    87,    87,    87,    87,    87,    87,    87,    87,    87,
727       87,    87,    87,    87,    87,    87,    87,    87,    87,    87,
728       87,    88,    88,    88,    88,    88,    88,    88,    88,    88,
729       88,    89,    90,    90,    91,    92,    93,    93,    93,    94,
730       94,    94,    94,    94,    94,    94,    94,    95,    95,    95,
731       96,    96,    96,    97,    98,    99,   100,   101,   102
732 };
733 
734 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
735 static const yytype_uint8 yyr2[] =
736 {
737        0,     2,     0,     2,     2,     5,     5,     5,     5,     3,
738        3,     5,     5,     5,     5,     5,     9,     5,     5,     5,
739        3,     5,     3,     5,     5,     3,     5,     5,     3,     3,
740        5,     3,     5,     3,     5,     5,     3,     3,     3,     5,
741        5,     7,     5,     7,     9,     5,     7,     7,     5,     5,
742        7,     5,     7,     7,     5,     5,     3,     5,     5,     3,
743        2,     5,     5,     4,     4,     5,     5,     3,     4,     4,
744        4,     1,     0,     1,     1,    11,     1,     1,     1,     1,
745        3,     1,     3,     1,     1,     3,     2,     1,     1,     1,
746        1,     1,     1,     1,     1,     1,     1,     1,     0
747 };
748 
749 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
750    STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
751    means the default is an error.  */
752 static const yytype_uint8 yydefact[] =
753 {
754        2,     0,     1,     0,     0,     0,     0,     0,     0,     0,
755        0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
756        0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
757        0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
758        0,     0,     0,     0,     0,     0,     0,     0,     3,     4,
759       60,     0,    72,    98,     0,    98,     0,     0,     0,     0,
760        0,     0,     0,     0,     0,     0,    98,     0,     0,    98,
761        0,    98,     0,    98,     0,     0,    98,     0,    98,    98,
762        0,     0,    98,    98,     0,    98,     0,     0,     0,     0,
763       98,     0,     0,     0,     0,    98,     0,     0,     0,    98,
764        0,    71,     0,    73,     0,    59,     0,     0,     9,    97,
765       79,    81,    83,    84,     0,    87,    89,    88,     0,    91,
766       92,    90,     0,    94,     0,    93,     0,     0,     0,    74,
767        0,     0,     0,    28,     0,     0,    29,     0,    22,     0,
768       20,     0,     0,     0,     0,     0,     0,     0,     0,     0,
769        0,     0,     0,    25,     0,    31,    33,     0,     0,    36,
770       37,     0,    56,     0,     0,     0,     0,    10,     0,     0,
771        0,     0,    67,     0,     0,     0,    38,     0,    98,    98,
772        0,    98,     0,     0,     0,    86,    98,    98,    98,    98,
773       98,    98,     0,    98,    98,    98,    98,    98,    98,    98,
774       98,     0,    98,     0,    98,     0,    98,     0,     0,    98,
775       98,     0,     0,    98,     0,    98,    98,    98,    98,    98,
776       98,    98,    98,    98,    98,    63,    64,    98,    98,    68,
777       69,    70,    98,     5,     6,     0,     7,    78,    76,    77,
778       80,    82,    85,    12,    13,    14,    17,    18,    19,     0,
779       15,    62,    61,    96,    27,    26,    30,    23,    21,     0,
780       40,    95,     0,    42,     0,    45,     0,     0,    48,    49,
781        0,     0,    51,     0,    54,    24,    32,    34,    35,    55,
782       57,    58,     8,    11,    66,    65,    39,     0,     0,    98,
783       98,    98,     0,    98,    98,    98,    98,     0,     0,    41,
784       43,    46,     0,    47,    50,    52,    53,     0,    98,    98,
785        0,    16,    44,     0,     0,     0,    75
786 };
787 
788 /* YYDEFGOTO[NTERM-NUM].  */
789 static const yytype_int16 yydefgoto[] =
790 {
791       -1,     1,    48,    49,   102,   104,   130,   107,   240,   114,
792      118,   122,   124,   125,   262,   252,   253,   109
793 };
794 
795 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
796    STATE-NUM.  */
797 #define YYPACT_NINF -196
798 static const yytype_int16 yypact[] =
799 {
800     -196,   246,  -196,     3,    13,    20,    11,    24,    21,    26,
801       30,    45,    66,    67,    68,    69,    70,    71,    72,    76,
802       73,    -7,    -5,    15,    78,    28,    32,    80,    79,    82,
803       83,    91,    93,    94,    96,    97,    98,    38,   100,   101,
804      102,   103,   104,   106,   107,   108,   111,   109,  -196,  -196,
805     -196,   -66,    36,  -196,    14,  -196,    12,    22,     1,    46,
806       46,    46,    25,    48,    46,    46,  -196,    46,    46,  -196,
807       46,  -196,    53,  -196,    27,    46,  -196,    55,  -196,  -196,
808       46,    46,  -196,  -196,    46,  -196,    46,    46,    56,    59,
809     -196,    60,    61,    62,    63,  -196,    65,    77,    85,  -196,
810       86,  -196,   114,  -196,   115,  -196,   120,   130,  -196,  -196,
811      135,   136,  -196,   -11,   138,  -196,  -196,  -196,   139,  -196,
812     -196,  -196,   143,  -196,   145,  -196,   147,   156,    47,  -196,
813      157,   162,   165,  -196,   166,   168,  -196,   170,  -196,   174,
814     -196,    49,    52,    54,   137,   177,   178,   179,   181,    64,
815      182,   183,   184,  -196,   185,  -196,  -196,   186,   187,  -196,
816     -196,   188,  -196,   189,   190,   191,   192,  -196,   193,   194,
817      195,   196,  -196,   197,   198,   199,  -196,   200,  -196,  -196,
818      133,  -196,     2,     2,    48,  -196,  -196,  -196,  -196,  -196,
819     -196,  -196,   206,  -196,  -196,  -196,  -196,  -196,  -196,  -196,
820     -196,   110,  -196,   140,  -196,   141,  -196,   140,   144,  -196,
821     -196,   146,   148,  -196,   149,  -196,  -196,  -196,  -196,  -196,
822     -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,
823     -196,  -196,  -196,  -196,  -196,   202,  -196,  -196,  -196,  -196,
824     -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,   205,
825     -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,  -196,   207,
826     -196,  -196,   210,  -196,   212,  -196,   215,   217,  -196,  -196,
827      218,   219,  -196,   221,  -196,  -196,  -196,  -196,  -196,  -196,
828     -196,  -196,  -196,  -196,  -196,  -196,  -196,   155,   158,  -196,
829     -196,  -196,    46,  -196,  -196,  -196,  -196,   204,   224,  -196,
830     -196,  -196,   225,  -196,  -196,  -196,  -196,   159,  -196,  -196,
831      227,  -196,  -196,   161,   231,   167,  -196
832 };
833 
834 /* YYPGOTO[NTERM-NUM].  */
835 static const yytype_int16 yypgoto[] =
836 {
837     -196,  -196,  -196,  -196,  -196,  -196,  -110,  -196,    39,  -196,
838     -196,  -196,    -9,  -196,    42,  -195,   -33,   -53
839 };
840 
841 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
842    positive, shift that token.  If negative, reduce the rule which
843    number is the opposite.  If zero, do what YYDEFACT says.
844    If YYTABLE_NINF, syntax error.  */
845 #define YYTABLE_NINF -1
846 static const yytype_uint16 yytable[] =
847 {
848      105,   254,   255,   185,   184,   119,   120,   237,    68,    69,
849       70,    71,   238,   133,   121,   110,   239,   101,   111,    50,
850      112,   113,   108,   153,   278,   155,   156,    53,    51,   115,
851       72,    73,   162,   116,   117,    52,   136,    55,   138,    54,
852      140,    56,   172,    75,    76,    57,   176,    77,    78,   159,
853      160,   126,   127,    89,    90,   131,   132,   167,   134,   135,
854       58,   137,   192,   193,   201,   202,   152,   203,   204,   205,
855      206,   157,   158,   129,   242,   161,   141,   163,   164,   212,
856      213,    59,    60,    61,    62,    63,    64,    65,    67,   142,
857      143,   144,    66,    74,    80,   300,    79,    81,   106,    82,
858      145,   146,   147,   148,   149,   150,   151,    83,    84,   128,
859       85,    86,    87,    88,   312,    91,    92,    93,    94,   103,
860       95,    96,    97,    98,   100,   233,   234,    99,   236,   123,
861      178,   179,   129,   243,   244,   245,   139,   180,   154,   165,
862      250,   251,   166,   168,   169,   170,   181,   171,   173,   260,
863      182,   183,   207,   265,   186,   187,   246,   247,   248,   188,
864      174,   189,   274,   190,   276,   256,   257,   258,   175,   177,
865      282,   263,   191,   194,   284,   285,   268,   269,   195,   286,
866      272,   196,   197,   275,   198,   277,   199,   279,   280,   281,
867      200,   283,   208,   259,   209,   210,   211,   214,     0,   215,
868      216,   217,   218,   219,   220,   221,   222,   223,   224,   225,
869      226,   227,   228,   229,   230,   231,   232,   235,   249,   287,
870      288,   307,   241,   289,   261,   264,   290,   267,   291,   270,
871      292,   271,   273,   293,   294,   295,   299,   296,   301,   297,
872      308,   309,   298,   310,   313,   314,     2,     3,   315,   266,
873        0,   316,     0,     0,     0,   311,     0,     0,     0,     0,
874      303,   304,   305,   306,     4,     5,     0,     0,     6,     7,
875        8,     9,    10,    11,    12,    13,    14,     0,     0,     0,
876        0,     0,     0,   302,    15,    16,    17,    18,    19,    20,
877       21,    22,    23,    24,    25,    26,    27,    28,    29,    30,
878       31,    32,     0,    33,    34,    35,    36,    37,     0,     0,
879        0,    38,    39,    40,    41,    42,    43,    44,    45,     0,
880        0,     0,     0,     0,     0,     0,    46,    47
881 };
882 
883 static const yytype_int16 yycheck[] =
884 {
885       53,   196,   197,   113,    15,     4,     5,     5,    15,    16,
886       15,    16,    10,    66,    13,     3,    14,    83,     6,    16,
887        8,     9,    55,    76,   219,    78,    79,    16,    15,     7,
888       15,    16,    85,    11,    12,    15,    69,    16,    71,    15,
889       73,    15,    95,    15,    16,    15,    99,    15,    16,    82,
890       83,    60,    61,    15,    16,    64,    65,    90,    67,    68,
891       15,    70,    15,    16,    15,    16,    75,    15,    16,    15,
892       16,    80,    81,    84,   184,    84,    49,    86,    87,    15,
893       16,    15,    15,    15,    15,    15,    15,    15,    15,    62,
894       63,    64,    16,    15,    15,   290,    16,    15,    84,    16,
895       73,    74,    75,    76,    77,    78,    79,    16,    15,    84,
896       16,    15,    15,    15,   309,    15,    15,    15,    15,    83,
897       16,    15,    15,    15,    15,   178,   179,    16,   181,    83,
898       16,    16,    84,   186,   187,   188,    83,    17,    83,    83,
899      193,   194,    83,    83,    83,    83,    16,    84,    83,   202,
900       15,    15,    15,   206,    16,    16,   189,   190,   191,    16,
901       83,    16,   215,    16,   217,   198,   199,   200,    83,    83,
902      223,   204,    16,    16,   227,   228,   209,   210,    16,   232,
903      213,    16,    16,   216,    16,   218,    16,   220,   221,   222,
904       16,   224,    15,    83,    16,    16,    15,    15,    -1,    16,
905       16,    16,    16,    16,    16,    16,    16,    16,    16,    16,
906       16,    16,    16,    16,    16,    16,    16,    84,    12,    17,
907       15,    17,   183,    16,    84,    84,    16,    83,    16,    83,
908       15,    83,    83,    16,    16,    16,   289,    16,   291,    84,
909       16,    16,    84,    84,    17,    84,     0,     1,    17,   207,
910       -1,    84,    -1,    -1,    -1,   308,    -1,    -1,    -1,    -1,
911      293,   294,   295,   296,    18,    19,    -1,    -1,    22,    23,
912       24,    25,    26,    27,    28,    29,    30,    -1,    -1,    -1,
913       -1,    -1,    -1,   292,    38,    39,    40,    41,    42,    43,
914       44,    45,    46,    47,    48,    49,    50,    51,    52,    53,
915       54,    55,    -1,    57,    58,    59,    60,    61,    -1,    -1,
916       -1,    65,    66,    67,    68,    69,    70,    71,    72,    -1,
917       -1,    -1,    -1,    -1,    -1,    -1,    80,    81
918 };
919 
920 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
921    symbol of state STATE-NUM.  */
922 static const yytype_uint8 yystos[] =
923 {
924        0,    86,     0,     1,    18,    19,    22,    23,    24,    25,
925       26,    27,    28,    29,    30,    38,    39,    40,    41,    42,
926       43,    44,    45,    46,    47,    48,    49,    50,    51,    52,
927       53,    54,    55,    57,    58,    59,    60,    61,    65,    66,
928       67,    68,    69,    70,    71,    72,    80,    81,    87,    88,
929       16,    15,    15,    16,    15,    16,    15,    15,    15,    15,
930       15,    15,    15,    15,    15,    15,    16,    15,    15,    16,
931       15,    16,    15,    16,    15,    15,    16,    15,    16,    16,
932       15,    15,    16,    16,    15,    16,    15,    15,    15,    15,
933       16,    15,    15,    15,    15,    16,    15,    15,    15,    16,
934       15,    83,    89,    83,    90,   102,    84,    92,   101,   102,
935        3,     6,     8,     9,    94,     7,    11,    12,    95,     4,
936        5,    13,    96,    83,    97,    98,    97,    97,    84,    84,
937       91,    97,    97,   102,    97,    97,   101,    97,   101,    83,
938      101,    49,    62,    63,    64,    73,    74,    75,    76,    77,
939       78,    79,    97,   102,    83,   102,   102,    97,    97,   101,
940      101,    97,   102,    97,    97,    83,    83,   101,    83,    83,
941       83,    84,   102,    83,    83,    83,   102,    83,    16,    16,
942       17,    16,    15,    15,    15,    91,    16,    16,    16,    16,
943       16,    16,    15,    16,    16,    16,    16,    16,    16,    16,
944       16,    15,    16,    15,    16,    15,    16,    15,    15,    16,
945       16,    15,    15,    16,    15,    16,    16,    16,    16,    16,
946       16,    16,    16,    16,    16,    16,    16,    16,    16,    16,
947       16,    16,    16,   102,   102,    84,   102,     5,    10,    14,
948       93,    93,    91,   102,   102,   102,   101,   101,   101,    12,
949      102,   102,   100,   101,   100,   100,   101,   101,   101,    83,
950      102,    84,    99,   101,    84,   102,    99,    83,   101,   101,
951       83,    83,   101,    83,   102,   101,   102,   101,   100,   101,
952      101,   101,   102,   101,   102,   102,   102,    17,    15,    16,
953       16,    16,    15,    16,    16,    16,    16,    84,    84,   102,
954      100,   102,    97,   101,   101,   101,   101,    17,    16,    16,
955       84,   102,   100,    17,    84,    17,    84
956 };
957 
958 #define yyerrok		(yyerrstatus = 0)
959 #define yyclearin	(yychar = YYEMPTY)
960 #define YYEMPTY		(-2)
961 #define YYEOF		0
962 
963 #define YYACCEPT	goto yyacceptlab
964 #define YYABORT		goto yyabortlab
965 #define YYERROR		goto yyerrorlab
966 
967 
968 /* Like YYERROR except do call yyerror.  This remains here temporarily
969    to ease the transition to the new meaning of YYERROR, for GCC.
970    Once GCC version 2 has supplanted version 1, this can go.  */
971 
972 #define YYFAIL		goto yyerrlab
973 
974 #define YYRECOVERING()  (!!yyerrstatus)
975 
976 #define YYBACKUP(Token, Value)					\
977 do								\
978   if (yychar == YYEMPTY && yylen == 1)				\
979     {								\
980       yychar = (Token);						\
981       yylval = (Value);						\
982       yytoken = YYTRANSLATE (yychar);				\
983       YYPOPSTACK (1);						\
984       goto yybackup;						\
985     }								\
986   else								\
987     {								\
988       yyerror (YY_("syntax error: cannot back up")); \
989       YYERROR;							\
990     }								\
991 while (YYID (0))
992 
993 
994 #define YYTERROR	1
995 #define YYERRCODE	256
996 
997 
998 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
999    If N is 0, then set CURRENT to the empty location which ends
1000    the previous symbol: RHS[0] (always defined).  */
1001 
1002 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
1003 #ifndef YYLLOC_DEFAULT
1004 # define YYLLOC_DEFAULT(Current, Rhs, N)				\
1005     do									\
1006       if (YYID (N))                                                    \
1007 	{								\
1008 	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
1009 	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
1010 	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
1011 	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
1012 	}								\
1013       else								\
1014 	{								\
1015 	  (Current).first_line   = (Current).last_line   =		\
1016 	    YYRHSLOC (Rhs, 0).last_line;				\
1017 	  (Current).first_column = (Current).last_column =		\
1018 	    YYRHSLOC (Rhs, 0).last_column;				\
1019 	}								\
1020     while (YYID (0))
1021 #endif
1022 
1023 
1024 /* YY_LOCATION_PRINT -- Print the location on the stream.
1025    This macro was not mandated originally: define only if we know
1026    we won't break user code: when these are the locations we know.  */
1027 
1028 #ifndef YY_LOCATION_PRINT
1029 # if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
1030 #  define YY_LOCATION_PRINT(File, Loc)			\
1031      fprintf (File, "%d.%d-%d.%d",			\
1032 	      (Loc).first_line, (Loc).first_column,	\
1033 	      (Loc).last_line,  (Loc).last_column)
1034 # else
1035 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
1036 # endif
1037 #endif
1038 
1039 
1040 /* YYLEX -- calling `yylex' with the right arguments.  */
1041 
1042 #ifdef YYLEX_PARAM
1043 # define YYLEX yylex (YYLEX_PARAM)
1044 #else
1045 # define YYLEX yylex ()
1046 #endif
1047 
1048 /* Enable debugging if requested.  */
1049 #if YYDEBUG
1050 
1051 # ifndef YYFPRINTF
1052 #  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
1053 #  define YYFPRINTF fprintf
1054 # endif
1055 
1056 # define YYDPRINTF(Args)			\
1057 do {						\
1058   if (yydebug)					\
1059     YYFPRINTF Args;				\
1060 } while (YYID (0))
1061 
1062 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)			  \
1063 do {									  \
1064   if (yydebug)								  \
1065     {									  \
1066       YYFPRINTF (stderr, "%s ", Title);					  \
1067       yy_symbol_print (stderr,						  \
1068 		  Type, Value); \
1069       YYFPRINTF (stderr, "\n");						  \
1070     }									  \
1071 } while (YYID (0))
1072 
1073 
1074 /*--------------------------------.
1075 | Print this symbol on YYOUTPUT.  |
1076 `--------------------------------*/
1077 
1078 /*ARGSUSED*/
1079 #if (defined __STDC__ || defined __C99__FUNC__ \
1080      || defined __cplusplus || defined _MSC_VER)
1081 static void
1082 yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
1083 #else
1084 static void
1085 yy_symbol_value_print (yyoutput, yytype, yyvaluep)
1086     FILE *yyoutput;
1087     int yytype;
1088     YYSTYPE const * const yyvaluep;
1089 #endif
1090 {
1091   if (!yyvaluep)
1092     return;
1093 # ifdef YYPRINT
1094   if (yytype < YYNTOKENS)
1095     YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
1096 # else
1097   YYUSE (yyoutput);
1098 # endif
1099   switch (yytype)
1100     {
1101       default:
1102 	break;
1103     }
1104 }
1105 
1106 
1107 /*--------------------------------.
1108 | Print this symbol on YYOUTPUT.  |
1109 `--------------------------------*/
1110 
1111 #if (defined __STDC__ || defined __C99__FUNC__ \
1112      || defined __cplusplus || defined _MSC_VER)
1113 static void
1114 yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
1115 #else
1116 static void
1117 yy_symbol_print (yyoutput, yytype, yyvaluep)
1118     FILE *yyoutput;
1119     int yytype;
1120     YYSTYPE const * const yyvaluep;
1121 #endif
1122 {
1123   if (yytype < YYNTOKENS)
1124     YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
1125   else
1126     YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
1127 
1128   yy_symbol_value_print (yyoutput, yytype, yyvaluep);
1129   YYFPRINTF (yyoutput, ")");
1130 }
1131 
1132 /*------------------------------------------------------------------.
1133 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
1134 | TOP (included).                                                   |
1135 `------------------------------------------------------------------*/
1136 
1137 #if (defined __STDC__ || defined __C99__FUNC__ \
1138      || defined __cplusplus || defined _MSC_VER)
1139 static void
1140 yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
1141 #else
1142 static void
1143 yy_stack_print (bottom, top)
1144     yytype_int16 *bottom;
1145     yytype_int16 *top;
1146 #endif
1147 {
1148   YYFPRINTF (stderr, "Stack now");
1149   for (; bottom <= top; ++bottom)
1150     YYFPRINTF (stderr, " %d", *bottom);
1151   YYFPRINTF (stderr, "\n");
1152 }
1153 
1154 # define YY_STACK_PRINT(Bottom, Top)				\
1155 do {								\
1156   if (yydebug)							\
1157     yy_stack_print ((Bottom), (Top));				\
1158 } while (YYID (0))
1159 
1160 
1161 /*------------------------------------------------.
1162 | Report that the YYRULE is going to be reduced.  |
1163 `------------------------------------------------*/
1164 
1165 #if (defined __STDC__ || defined __C99__FUNC__ \
1166      || defined __cplusplus || defined _MSC_VER)
1167 static void
1168 yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
1169 #else
1170 static void
1171 yy_reduce_print (yyvsp, yyrule)
1172     YYSTYPE *yyvsp;
1173     int yyrule;
1174 #endif
1175 {
1176   int yynrhs = yyr2[yyrule];
1177   int yyi;
1178   unsigned long int yylno = yyrline[yyrule];
1179   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
1180 	     yyrule - 1, yylno);
1181   /* The symbols being reduced.  */
1182   for (yyi = 0; yyi < yynrhs; yyi++)
1183     {
1184       fprintf (stderr, "   $%d = ", yyi + 1);
1185       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
1186 		       &(yyvsp[(yyi + 1) - (yynrhs)])
1187 		       		       );
1188       fprintf (stderr, "\n");
1189     }
1190 }
1191 
1192 # define YY_REDUCE_PRINT(Rule)		\
1193 do {					\
1194   if (yydebug)				\
1195     yy_reduce_print (yyvsp, Rule); \
1196 } while (YYID (0))
1197 
1198 /* Nonzero means print parse trace.  It is left uninitialized so that
1199    multiple parsers can coexist.  */
1200 int yydebug;
1201 #else /* !YYDEBUG */
1202 # define YYDPRINTF(Args)
1203 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
1204 # define YY_STACK_PRINT(Bottom, Top)
1205 # define YY_REDUCE_PRINT(Rule)
1206 #endif /* !YYDEBUG */
1207 
1208 
1209 /* YYINITDEPTH -- initial size of the parser's stacks.  */
1210 #ifndef	YYINITDEPTH
1211 # define YYINITDEPTH 200
1212 #endif
1213 
1214 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
1215    if the built-in stack extension method is used).
1216 
1217    Do not make this value too large; the results are undefined if
1218    YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
1219    evaluated with infinite-precision integer arithmetic.  */
1220 
1221 #ifndef YYMAXDEPTH
1222 # define YYMAXDEPTH 10000
1223 #endif
1224 
1225 
1226 
1227 #if YYERROR_VERBOSE
1228 
1229 # ifndef yystrlen
1230 #  if defined __GLIBC__ && defined _STRING_H
1231 #   define yystrlen strlen
1232 #  else
1233 /* Return the length of YYSTR.  */
1234 #if (defined __STDC__ || defined __C99__FUNC__ \
1235      || defined __cplusplus || defined _MSC_VER)
1236 static YYSIZE_T
1237 yystrlen (const char *yystr)
1238 #else
1239 static YYSIZE_T
1240 yystrlen (yystr)
1241     const char *yystr;
1242 #endif
1243 {
1244   YYSIZE_T yylen;
1245   for (yylen = 0; yystr[yylen]; yylen++)
1246     continue;
1247   return yylen;
1248 }
1249 #  endif
1250 # endif
1251 
1252 # ifndef yystpcpy
1253 #  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
1254 #   define yystpcpy stpcpy
1255 #  else
1256 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
1257    YYDEST.  */
1258 #if (defined __STDC__ || defined __C99__FUNC__ \
1259      || defined __cplusplus || defined _MSC_VER)
1260 static char *
1261 yystpcpy (char *yydest, const char *yysrc)
1262 #else
1263 static char *
1264 yystpcpy (yydest, yysrc)
1265     char *yydest;
1266     const char *yysrc;
1267 #endif
1268 {
1269   char *yyd = yydest;
1270   const char *yys = yysrc;
1271 
1272   while ((*yyd++ = *yys++) != '\0')
1273     continue;
1274 
1275   return yyd - 1;
1276 }
1277 #  endif
1278 # endif
1279 
1280 # ifndef yytnamerr
1281 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
1282    quotes and backslashes, so that it's suitable for yyerror.  The
1283    heuristic is that double-quoting is unnecessary unless the string
1284    contains an apostrophe, a comma, or backslash (other than
1285    backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
1286    null, do not copy; instead, return the length of what the result
1287    would have been.  */
1288 static YYSIZE_T
1289 yytnamerr (char *yyres, const char *yystr)
1290 {
1291   if (*yystr == '"')
1292     {
1293       YYSIZE_T yyn = 0;
1294       char const *yyp = yystr;
1295 
1296       for (;;)
1297 	switch (*++yyp)
1298 	  {
1299 	  case '\'':
1300 	  case ',':
1301 	    goto do_not_strip_quotes;
1302 
1303 	  case '\\':
1304 	    if (*++yyp != '\\')
1305 	      goto do_not_strip_quotes;
1306 	    /* Fall through.  */
1307 	  default:
1308 	    if (yyres)
1309 	      yyres[yyn] = *yyp;
1310 	    yyn++;
1311 	    break;
1312 
1313 	  case '"':
1314 	    if (yyres)
1315 	      yyres[yyn] = '\0';
1316 	    return yyn;
1317 	  }
1318     do_not_strip_quotes: ;
1319     }
1320 
1321   if (! yyres)
1322     return yystrlen (yystr);
1323 
1324   return yystpcpy (yyres, yystr) - yyres;
1325 }
1326 # endif
1327 
1328 /* Copy into YYRESULT an error message about the unexpected token
1329    YYCHAR while in state YYSTATE.  Return the number of bytes copied,
1330    including the terminating null byte.  If YYRESULT is null, do not
1331    copy anything; just return the number of bytes that would be
1332    copied.  As a special case, return 0 if an ordinary "syntax error"
1333    message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
1334    size calculation.  */
1335 static YYSIZE_T
1336 yysyntax_error (char *yyresult, int yystate, int yychar)
1337 {
1338   int yyn = yypact[yystate];
1339 
1340   if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
1341     return 0;
1342   else
1343     {
1344       int yytype = YYTRANSLATE (yychar);
1345       YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
1346       YYSIZE_T yysize = yysize0;
1347       YYSIZE_T yysize1;
1348       int yysize_overflow = 0;
1349       enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
1350       char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
1351       int yyx;
1352 
1353 # if 0
1354       /* This is so xgettext sees the translatable formats that are
1355 	 constructed on the fly.  */
1356       YY_("syntax error, unexpected %s");
1357       YY_("syntax error, unexpected %s, expecting %s");
1358       YY_("syntax error, unexpected %s, expecting %s or %s");
1359       YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1360       YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1361 # endif
1362       char *yyfmt;
1363       char const *yyf;
1364       static char const yyunexpected[] = "syntax error, unexpected %s";
1365       static char const yyexpecting[] = ", expecting %s";
1366       static char const yyor[] = " or %s";
1367       char yyformat[sizeof yyunexpected
1368 		    + sizeof yyexpecting - 1
1369 		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
1370 		       * (sizeof yyor - 1))];
1371       char const *yyprefix = yyexpecting;
1372 
1373       /* Start YYX at -YYN if negative to avoid negative indexes in
1374 	 YYCHECK.  */
1375       int yyxbegin = yyn < 0 ? -yyn : 0;
1376 
1377       /* Stay within bounds of both yycheck and yytname.  */
1378       int yychecklim = YYLAST - yyn + 1;
1379       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
1380       int yycount = 1;
1381 
1382       yyarg[0] = yytname[yytype];
1383       yyfmt = yystpcpy (yyformat, yyunexpected);
1384 
1385       for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1386 	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1387 	  {
1388 	    if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
1389 	      {
1390 		yycount = 1;
1391 		yysize = yysize0;
1392 		yyformat[sizeof yyunexpected - 1] = '\0';
1393 		break;
1394 	      }
1395 	    yyarg[yycount++] = yytname[yyx];
1396 	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
1397 	    yysize_overflow |= (yysize1 < yysize);
1398 	    yysize = yysize1;
1399 	    yyfmt = yystpcpy (yyfmt, yyprefix);
1400 	    yyprefix = yyor;
1401 	  }
1402 
1403       yyf = YY_(yyformat);
1404       yysize1 = yysize + yystrlen (yyf);
1405       yysize_overflow |= (yysize1 < yysize);
1406       yysize = yysize1;
1407 
1408       if (yysize_overflow)
1409 	return YYSIZE_MAXIMUM;
1410 
1411       if (yyresult)
1412 	{
1413 	  /* Avoid sprintf, as that infringes on the user's name space.
1414 	     Don't have undefined behavior even if the translation
1415 	     produced a string with the wrong number of "%s"s.  */
1416 	  char *yyp = yyresult;
1417 	  int yyi = 0;
1418 	  while ((*yyp = *yyf) != '\0')
1419 	    {
1420 	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
1421 		{
1422 		  yyp += yytnamerr (yyp, yyarg[yyi++]);
1423 		  yyf += 2;
1424 		}
1425 	      else
1426 		{
1427 		  yyp++;
1428 		  yyf++;
1429 		}
1430 	    }
1431 	}
1432       return yysize;
1433     }
1434 }
1435 #endif /* YYERROR_VERBOSE */
1436 
1437 
1438 /*-----------------------------------------------.
1439 | Release the memory associated to this symbol.  |
1440 `-----------------------------------------------*/
1441 
1442 /*ARGSUSED*/
1443 #if (defined __STDC__ || defined __C99__FUNC__ \
1444      || defined __cplusplus || defined _MSC_VER)
1445 static void
1446 yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
1447 #else
1448 static void
1449 yydestruct (yymsg, yytype, yyvaluep)
1450     const char *yymsg;
1451     int yytype;
1452     YYSTYPE *yyvaluep;
1453 #endif
1454 {
1455   YYUSE (yyvaluep);
1456 
1457   if (!yymsg)
1458     yymsg = "Deleting";
1459   YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
1460 
1461   switch (yytype)
1462     {
1463 
1464       default:
1465 	break;
1466     }
1467 }
1468 
1469 
1470 /* Prevent warnings from -Wmissing-prototypes.  */
1471 
1472 #ifdef YYPARSE_PARAM
1473 #if defined __STDC__ || defined __cplusplus
1474 int yyparse (void *YYPARSE_PARAM);
1475 #else
1476 int yyparse ();
1477 #endif
1478 #else /* ! YYPARSE_PARAM */
1479 #if defined __STDC__ || defined __cplusplus
1480 int yyparse (void);
1481 #else
1482 int yyparse ();
1483 #endif
1484 #endif /* ! YYPARSE_PARAM */
1485 
1486 
1487 
1488 /* The look-ahead symbol.  */
1489 int yychar;
1490 
1491 /* The semantic value of the look-ahead symbol.  */
1492 YYSTYPE yylval;
1493 
1494 /* Number of syntax errors so far.  */
1495 int yynerrs;
1496 
1497 
1498 
1499 /*----------.
1500 | yyparse.  |
1501 `----------*/
1502 
1503 #ifdef YYPARSE_PARAM
1504 #if (defined __STDC__ || defined __C99__FUNC__ \
1505      || defined __cplusplus || defined _MSC_VER)
1506 int
1507 yyparse (void *YYPARSE_PARAM)
1508 #else
1509 int
1510 yyparse (YYPARSE_PARAM)
1511     void *YYPARSE_PARAM;
1512 #endif
1513 #else /* ! YYPARSE_PARAM */
1514 #if (defined __STDC__ || defined __C99__FUNC__ \
1515      || defined __cplusplus || defined _MSC_VER)
1516 int
1517 yyparse (void)
1518 #else
1519 int
1520 yyparse ()
1521 
1522 #endif
1523 #endif
1524 {
1525 
1526   int yystate;
1527   int yyn;
1528   int yyresult;
1529   /* Number of tokens to shift before error messages enabled.  */
1530   int yyerrstatus;
1531   /* Look-ahead token as an internal (translated) token number.  */
1532   int yytoken = 0;
1533 #if YYERROR_VERBOSE
1534   /* Buffer for error messages, and its allocated size.  */
1535   char yymsgbuf[128];
1536   char *yymsg = yymsgbuf;
1537   YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1538 #endif
1539 
1540   /* Three stacks and their tools:
1541      `yyss': related to states,
1542      `yyvs': related to semantic values,
1543      `yyls': related to locations.
1544 
1545      Refer to the stacks thru separate pointers, to allow yyoverflow
1546      to reallocate them elsewhere.  */
1547 
1548   /* The state stack.  */
1549   yytype_int16 yyssa[YYINITDEPTH];
1550   yytype_int16 *yyss = yyssa;
1551   yytype_int16 *yyssp;
1552 
1553   /* The semantic value stack.  */
1554   YYSTYPE yyvsa[YYINITDEPTH];
1555   YYSTYPE *yyvs = yyvsa;
1556   YYSTYPE *yyvsp;
1557 
1558 
1559 
1560 #define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
1561 
1562   YYSIZE_T yystacksize = YYINITDEPTH;
1563 
1564   /* The variables used to return semantic value and location from the
1565      action routines.  */
1566   YYSTYPE yyval;
1567 
1568 
1569   /* The number of symbols on the RHS of the reduced rule.
1570      Keep to zero when no symbol should be popped.  */
1571   int yylen = 0;
1572 
1573   YYDPRINTF ((stderr, "Starting parse\n"));
1574 
1575   yystate = 0;
1576   yyerrstatus = 0;
1577   yynerrs = 0;
1578   yychar = YYEMPTY;		/* Cause a token to be read.  */
1579 
1580   /* Initialize stack pointers.
1581      Waste one element of value and location stack
1582      so that they stay on the same level as the state stack.
1583      The wasted elements are never initialized.  */
1584 
1585   yyssp = yyss;
1586   yyvsp = yyvs;
1587 
1588   goto yysetstate;
1589 
1590 /*------------------------------------------------------------.
1591 | yynewstate -- Push a new state, which is found in yystate.  |
1592 `------------------------------------------------------------*/
1593  yynewstate:
1594   /* In all cases, when you get here, the value and location stacks
1595      have just been pushed.  So pushing a state here evens the stacks.  */
1596   yyssp++;
1597 
1598  yysetstate:
1599   *yyssp = yystate;
1600 
1601   if (yyss + yystacksize - 1 <= yyssp)
1602     {
1603       /* Get the current used size of the three stacks, in elements.  */
1604       YYSIZE_T yysize = yyssp - yyss + 1;
1605 
1606 #ifdef yyoverflow
1607       {
1608 	/* Give user a chance to reallocate the stack.  Use copies of
1609 	   these so that the &'s don't force the real ones into
1610 	   memory.  */
1611 	YYSTYPE *yyvs1 = yyvs;
1612 	yytype_int16 *yyss1 = yyss;
1613 
1614 
1615 	/* Each stack pointer address is followed by the size of the
1616 	   data in use in that stack, in bytes.  This used to be a
1617 	   conditional around just the two extra args, but that might
1618 	   be undefined if yyoverflow is a macro.  */
1619 	yyoverflow (YY_("memory exhausted"),
1620 		    &yyss1, yysize * sizeof (*yyssp),
1621 		    &yyvs1, yysize * sizeof (*yyvsp),
1622 
1623 		    &yystacksize);
1624 
1625 	yyss = yyss1;
1626 	yyvs = yyvs1;
1627       }
1628 #else /* no yyoverflow */
1629 # ifndef YYSTACK_RELOCATE
1630       goto yyexhaustedlab;
1631 # else
1632       /* Extend the stack our own way.  */
1633       if (YYMAXDEPTH <= yystacksize)
1634 	goto yyexhaustedlab;
1635       yystacksize *= 2;
1636       if (YYMAXDEPTH < yystacksize)
1637 	yystacksize = YYMAXDEPTH;
1638 
1639       {
1640 	yytype_int16 *yyss1 = yyss;
1641 	union yyalloc *yyptr =
1642 	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1643 	if (! yyptr)
1644 	  goto yyexhaustedlab;
1645 	YYSTACK_RELOCATE (yyss);
1646 	YYSTACK_RELOCATE (yyvs);
1647 
1648 #  undef YYSTACK_RELOCATE
1649 	if (yyss1 != yyssa)
1650 	  YYSTACK_FREE (yyss1);
1651       }
1652 # endif
1653 #endif /* no yyoverflow */
1654 
1655       yyssp = yyss + yysize - 1;
1656       yyvsp = yyvs + yysize - 1;
1657 
1658 
1659       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1660 		  (unsigned long int) yystacksize));
1661 
1662       if (yyss + yystacksize - 1 <= yyssp)
1663 	YYABORT;
1664     }
1665 
1666   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1667 
1668   goto yybackup;
1669 
1670 /*-----------.
1671 | yybackup.  |
1672 `-----------*/
1673 yybackup:
1674 
1675   /* Do appropriate processing given the current state.  Read a
1676      look-ahead token if we need one and don't already have one.  */
1677 
1678   /* First try to decide what to do without reference to look-ahead token.  */
1679   yyn = yypact[yystate];
1680   if (yyn == YYPACT_NINF)
1681     goto yydefault;
1682 
1683   /* Not known => get a look-ahead token if don't already have one.  */
1684 
1685   /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
1686   if (yychar == YYEMPTY)
1687     {
1688       YYDPRINTF ((stderr, "Reading a token: "));
1689       yychar = YYLEX;
1690     }
1691 
1692   if (yychar <= YYEOF)
1693     {
1694       yychar = yytoken = YYEOF;
1695       YYDPRINTF ((stderr, "Now at end of input.\n"));
1696     }
1697   else
1698     {
1699       yytoken = YYTRANSLATE (yychar);
1700       YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1701     }
1702 
1703   /* If the proper action on seeing token YYTOKEN is to reduce or to
1704      detect an error, take that action.  */
1705   yyn += yytoken;
1706   if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1707     goto yydefault;
1708   yyn = yytable[yyn];
1709   if (yyn <= 0)
1710     {
1711       if (yyn == 0 || yyn == YYTABLE_NINF)
1712 	goto yyerrlab;
1713       yyn = -yyn;
1714       goto yyreduce;
1715     }
1716 
1717   if (yyn == YYFINAL)
1718     YYACCEPT;
1719 
1720   /* Count tokens shifted since error; after three, turn off error
1721      status.  */
1722   if (yyerrstatus)
1723     yyerrstatus--;
1724 
1725   /* Shift the look-ahead token.  */
1726   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1727 
1728   /* Discard the shifted token unless it is eof.  */
1729   if (yychar != YYEOF)
1730     yychar = YYEMPTY;
1731 
1732   yystate = yyn;
1733   *++yyvsp = yylval;
1734 
1735   goto yynewstate;
1736 
1737 
1738 /*-----------------------------------------------------------.
1739 | yydefault -- do the default action for the current state.  |
1740 `-----------------------------------------------------------*/
1741 yydefault:
1742   yyn = yydefact[yystate];
1743   if (yyn == 0)
1744     goto yyerrlab;
1745   goto yyreduce;
1746 
1747 
1748 /*-----------------------------.
1749 | yyreduce -- Do a reduction.  |
1750 `-----------------------------*/
1751 yyreduce:
1752   /* yyn is the number of a rule to reduce with.  */
1753   yylen = yyr2[yyn];
1754 
1755   /* If YYLEN is nonzero, implement the default value of the action:
1756      `$$ = $1'.
1757 
1758      Otherwise, the following line sets YYVAL to garbage.
1759      This behavior is undocumented and Bison
1760      users should not rely upon it.  Assigning to YYVAL
1761      unconditionally makes the parser a bit smaller, and it avoids a
1762      GCC warning that YYVAL may be used uninitialized.  */
1763   yyval = yyvsp[1-yylen];
1764 
1765 
1766   YY_REDUCE_PRINT (yyn);
1767   switch (yyn)
1768     {
1769         case 3:
1770 #line 132 "ftpcmd.y"
1771     {
1772 			fromname = (char *) 0;
1773 			restart_point = (off_t) 0;
1774 		}
1775     break;
1776 
1777   case 5:
1778 #line 141 "ftpcmd.y"
1779     {
1780 		    if ((yyvsp[(5) - (5)].i))
1781 			user((yyvsp[(3) - (5)].s));
1782 		    free((yyvsp[(3) - (5)].s));
1783 		}
1784     break;
1785 
1786   case 6:
1787 #line 147 "ftpcmd.y"
1788     {
1789 		    if ((yyvsp[(5) - (5)].i))
1790 			pass((yyvsp[(3) - (5)].s));
1791 		    memset ((yyvsp[(3) - (5)].s), 0, strlen((yyvsp[(3) - (5)].s)));
1792 		    free((yyvsp[(3) - (5)].s));
1793 		}
1794     break;
1795 
1796   case 7:
1797 #line 154 "ftpcmd.y"
1798     {
1799 		    if ((yyvsp[(5) - (5)].i)) {
1800 			usedefault = 0;
1801 			if (pdata >= 0) {
1802 				close(pdata);
1803 				pdata = -1;
1804 			}
1805 			reply(200, "PORT command successful.");
1806 		    }
1807 		}
1808     break;
1809 
1810   case 8:
1811 #line 165 "ftpcmd.y"
1812     {
1813 		    if ((yyvsp[(5) - (5)].i))
1814 			eprt ((yyvsp[(3) - (5)].s));
1815 		    free ((yyvsp[(3) - (5)].s));
1816 		}
1817     break;
1818 
1819   case 9:
1820 #line 171 "ftpcmd.y"
1821     {
1822 		    if((yyvsp[(3) - (3)].i))
1823 			pasv ();
1824 		}
1825     break;
1826 
1827   case 10:
1828 #line 176 "ftpcmd.y"
1829     {
1830 		    if((yyvsp[(3) - (3)].i))
1831 			epsv (NULL);
1832 		}
1833     break;
1834 
1835   case 11:
1836 #line 181 "ftpcmd.y"
1837     {
1838 		    if((yyvsp[(5) - (5)].i))
1839 			epsv ((yyvsp[(3) - (5)].s));
1840 		    free ((yyvsp[(3) - (5)].s));
1841 		}
1842     break;
1843 
1844   case 12:
1845 #line 187 "ftpcmd.y"
1846     {
1847 		    if ((yyvsp[(5) - (5)].i)) {
1848 			switch (cmd_type) {
1849 
1850 			case TYPE_A:
1851 				if (cmd_form == FORM_N) {
1852 					reply(200, "Type set to A.");
1853 					type = cmd_type;
1854 					form = cmd_form;
1855 				} else
1856 					reply(504, "Form must be N.");
1857 				break;
1858 
1859 			case TYPE_E:
1860 				reply(504, "Type E not implemented.");
1861 				break;
1862 
1863 			case TYPE_I:
1864 				reply(200, "Type set to I.");
1865 				type = cmd_type;
1866 				break;
1867 
1868 			case TYPE_L:
1869 #if NBBY == 8
1870 				if (cmd_bytesz == 8) {
1871 					reply(200,
1872 					    "Type set to L (byte size 8).");
1873 					type = cmd_type;
1874 				} else
1875 					reply(504, "Byte size must be 8.");
1876 #else /* NBBY == 8 */
1877 				UNIMPLEMENTED for NBBY != 8
1878 #endif /* NBBY == 8 */
1879 			}
1880 		    }
1881 		}
1882     break;
1883 
1884   case 13:
1885 #line 224 "ftpcmd.y"
1886     {
1887 		    if ((yyvsp[(5) - (5)].i)) {
1888 			switch ((yyvsp[(3) - (5)].i)) {
1889 
1890 			case STRU_F:
1891 				reply(200, "STRU F ok.");
1892 				break;
1893 
1894 			default:
1895 				reply(504, "Unimplemented STRU type.");
1896 			}
1897 		    }
1898 		}
1899     break;
1900 
1901   case 14:
1902 #line 238 "ftpcmd.y"
1903     {
1904 		    if ((yyvsp[(5) - (5)].i)) {
1905 			switch ((yyvsp[(3) - (5)].i)) {
1906 
1907 			case MODE_S:
1908 				reply(200, "MODE S ok.");
1909 				break;
1910 
1911 			default:
1912 				reply(502, "Unimplemented MODE type.");
1913 			}
1914 		    }
1915 		}
1916     break;
1917 
1918   case 15:
1919 #line 252 "ftpcmd.y"
1920     {
1921 		    if ((yyvsp[(5) - (5)].i)) {
1922 			reply(202, "ALLO command ignored.");
1923 		    }
1924 		}
1925     break;
1926 
1927   case 16:
1928 #line 258 "ftpcmd.y"
1929     {
1930 		    if ((yyvsp[(9) - (9)].i)) {
1931 			reply(202, "ALLO command ignored.");
1932 		    }
1933 		}
1934     break;
1935 
1936   case 17:
1937 #line 264 "ftpcmd.y"
1938     {
1939 			char *name = (yyvsp[(3) - (5)].s);
1940 
1941 			if ((yyvsp[(5) - (5)].i) && name != NULL)
1942 				retrieve(0, name);
1943 			if (name != NULL)
1944 				free(name);
1945 		}
1946     break;
1947 
1948   case 18:
1949 #line 273 "ftpcmd.y"
1950     {
1951 			char *name = (yyvsp[(3) - (5)].s);
1952 
1953 			if ((yyvsp[(5) - (5)].i) && name != NULL)
1954 				do_store(name, "w", 0);
1955 			if (name != NULL)
1956 				free(name);
1957 		}
1958     break;
1959 
1960   case 19:
1961 #line 282 "ftpcmd.y"
1962     {
1963 			char *name = (yyvsp[(3) - (5)].s);
1964 
1965 			if ((yyvsp[(5) - (5)].i) && name != NULL)
1966 				do_store(name, "a", 0);
1967 			if (name != NULL)
1968 				free(name);
1969 		}
1970     break;
1971 
1972   case 20:
1973 #line 291 "ftpcmd.y"
1974     {
1975 			if ((yyvsp[(3) - (3)].i))
1976 				send_file_list(".");
1977 		}
1978     break;
1979 
1980   case 21:
1981 #line 296 "ftpcmd.y"
1982     {
1983 			char *name = (yyvsp[(3) - (5)].s);
1984 
1985 			if ((yyvsp[(5) - (5)].i) && name != NULL)
1986 				send_file_list(name);
1987 			if (name != NULL)
1988 				free(name);
1989 		}
1990     break;
1991 
1992   case 22:
1993 #line 305 "ftpcmd.y"
1994     {
1995 		    if((yyvsp[(3) - (3)].i))
1996 			list_file(".");
1997 		}
1998     break;
1999 
2000   case 23:
2001 #line 310 "ftpcmd.y"
2002     {
2003 		    if((yyvsp[(5) - (5)].i))
2004 			list_file((yyvsp[(3) - (5)].s));
2005 		    free((yyvsp[(3) - (5)].s));
2006 		}
2007     break;
2008 
2009   case 24:
2010 #line 316 "ftpcmd.y"
2011     {
2012 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2013 				statfilecmd((yyvsp[(3) - (5)].s));
2014 			if ((yyvsp[(3) - (5)].s) != NULL)
2015 				free((yyvsp[(3) - (5)].s));
2016 		}
2017     break;
2018 
2019   case 25:
2020 #line 323 "ftpcmd.y"
2021     {
2022 		    if ((yyvsp[(3) - (3)].i))
2023 			statcmd();
2024 		}
2025     break;
2026 
2027   case 26:
2028 #line 328 "ftpcmd.y"
2029     {
2030 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2031 				do_delete((yyvsp[(3) - (5)].s));
2032 			if ((yyvsp[(3) - (5)].s) != NULL)
2033 				free((yyvsp[(3) - (5)].s));
2034 		}
2035     break;
2036 
2037   case 27:
2038 #line 335 "ftpcmd.y"
2039     {
2040 			if((yyvsp[(5) - (5)].i)){
2041 				if (fromname) {
2042 					renamecmd(fromname, (yyvsp[(3) - (5)].s));
2043 					free(fromname);
2044 					fromname = (char *) 0;
2045 				} else {
2046 					reply(503, "Bad sequence of commands.");
2047 				}
2048 			}
2049 			if ((yyvsp[(3) - (5)].s) != NULL)
2050 				free((yyvsp[(3) - (5)].s));
2051 		}
2052     break;
2053 
2054   case 28:
2055 #line 349 "ftpcmd.y"
2056     {
2057 		    if ((yyvsp[(3) - (3)].i))
2058 			reply(225, "ABOR command successful.");
2059 		}
2060     break;
2061 
2062   case 29:
2063 #line 354 "ftpcmd.y"
2064     {
2065 			if ((yyvsp[(3) - (3)].i))
2066 				cwd(pw->pw_dir);
2067 		}
2068     break;
2069 
2070   case 30:
2071 #line 359 "ftpcmd.y"
2072     {
2073 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2074 				cwd((yyvsp[(3) - (5)].s));
2075 			if ((yyvsp[(3) - (5)].s) != NULL)
2076 				free((yyvsp[(3) - (5)].s));
2077 		}
2078     break;
2079 
2080   case 31:
2081 #line 366 "ftpcmd.y"
2082     {
2083 		    if ((yyvsp[(3) - (3)].i))
2084 			help(cmdtab, (char *) 0);
2085 		}
2086     break;
2087 
2088   case 32:
2089 #line 371 "ftpcmd.y"
2090     {
2091 		    if ((yyvsp[(5) - (5)].i)) {
2092 			char *cp = (yyvsp[(3) - (5)].s);
2093 
2094 			if (strncasecmp(cp, "SITE", 4) == 0) {
2095 				cp = (yyvsp[(3) - (5)].s) + 4;
2096 				if (*cp == ' ')
2097 					cp++;
2098 				if (*cp)
2099 					help(sitetab, cp);
2100 				else
2101 					help(sitetab, (char *) 0);
2102 			} else
2103 				help(cmdtab, (yyvsp[(3) - (5)].s));
2104 		    }
2105 		}
2106     break;
2107 
2108   case 33:
2109 #line 388 "ftpcmd.y"
2110     {
2111 		    if ((yyvsp[(3) - (3)].i))
2112 			reply(200, "NOOP command successful.");
2113 		}
2114     break;
2115 
2116   case 34:
2117 #line 393 "ftpcmd.y"
2118     {
2119 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2120 				makedir((yyvsp[(3) - (5)].s));
2121 			if ((yyvsp[(3) - (5)].s) != NULL)
2122 				free((yyvsp[(3) - (5)].s));
2123 		}
2124     break;
2125 
2126   case 35:
2127 #line 400 "ftpcmd.y"
2128     {
2129 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2130 				removedir((yyvsp[(3) - (5)].s));
2131 			if ((yyvsp[(3) - (5)].s) != NULL)
2132 				free((yyvsp[(3) - (5)].s));
2133 		}
2134     break;
2135 
2136   case 36:
2137 #line 407 "ftpcmd.y"
2138     {
2139 			if ((yyvsp[(3) - (3)].i))
2140 				pwd();
2141 		}
2142     break;
2143 
2144   case 37:
2145 #line 412 "ftpcmd.y"
2146     {
2147 			if ((yyvsp[(3) - (3)].i))
2148 				cwd("..");
2149 		}
2150     break;
2151 
2152   case 38:
2153 #line 417 "ftpcmd.y"
2154     {
2155 		    if ((yyvsp[(3) - (3)].i)) {
2156 			lreply(211, "Supported features:");
2157 			lreply(0, " MDTM");
2158 			lreply(0, " REST STREAM");
2159 			lreply(0, " SIZE");
2160 			reply(211, "End");
2161 		    }
2162 		}
2163     break;
2164 
2165   case 39:
2166 #line 427 "ftpcmd.y"
2167     {
2168 		    if ((yyvsp[(5) - (5)].i))
2169 			reply(501, "Bad options");
2170 		    free ((yyvsp[(3) - (5)].s));
2171 		}
2172     break;
2173 
2174   case 40:
2175 #line 434 "ftpcmd.y"
2176     {
2177 		    if ((yyvsp[(5) - (5)].i))
2178 			help(sitetab, (char *) 0);
2179 		}
2180     break;
2181 
2182   case 41:
2183 #line 439 "ftpcmd.y"
2184     {
2185 		    if ((yyvsp[(7) - (7)].i))
2186 			help(sitetab, (yyvsp[(5) - (7)].s));
2187 		}
2188     break;
2189 
2190   case 42:
2191 #line 444 "ftpcmd.y"
2192     {
2193 			if ((yyvsp[(5) - (5)].i)) {
2194 				int oldmask = umask(0);
2195 				umask(oldmask);
2196 				reply(200, "Current UMASK is %03o", oldmask);
2197 			}
2198 		}
2199     break;
2200 
2201   case 43:
2202 #line 452 "ftpcmd.y"
2203     {
2204 			if ((yyvsp[(7) - (7)].i)) {
2205 				if (((yyvsp[(5) - (7)].i) == -1) || ((yyvsp[(5) - (7)].i) > 0777)) {
2206 					reply(501, "Bad UMASK value");
2207 				} else {
2208 					int oldmask = umask((yyvsp[(5) - (7)].i));
2209 					reply(200,
2210 					      "UMASK set to %03o (was %03o)",
2211 					      (yyvsp[(5) - (7)].i), oldmask);
2212 				}
2213 			}
2214 		}
2215     break;
2216 
2217   case 44:
2218 #line 465 "ftpcmd.y"
2219     {
2220 			if ((yyvsp[(9) - (9)].i) && (yyvsp[(7) - (9)].s) != NULL) {
2221 				if ((yyvsp[(5) - (9)].i) > 0777)
2222 					reply(501,
2223 				"CHMOD: Mode value must be between 0 and 0777");
2224 				else if (chmod((yyvsp[(7) - (9)].s), (yyvsp[(5) - (9)].i)) < 0)
2225 					perror_reply(550, (yyvsp[(7) - (9)].s));
2226 				else
2227 					reply(200, "CHMOD command successful.");
2228 			}
2229 			if ((yyvsp[(7) - (9)].s) != NULL)
2230 				free((yyvsp[(7) - (9)].s));
2231 		}
2232     break;
2233 
2234   case 45:
2235 #line 479 "ftpcmd.y"
2236     {
2237 		    if ((yyvsp[(5) - (5)].i))
2238 			reply(200,
2239 			    "Current IDLE time limit is %d seconds; max %d",
2240 				ftpd_timeout, maxtimeout);
2241 		}
2242     break;
2243 
2244   case 46:
2245 #line 486 "ftpcmd.y"
2246     {
2247 		    if ((yyvsp[(7) - (7)].i)) {
2248 			if ((yyvsp[(5) - (7)].i) < 30 || (yyvsp[(5) - (7)].i) > maxtimeout) {
2249 				reply(501,
2250 			"Maximum IDLE time must be between 30 and %d seconds",
2251 				    maxtimeout);
2252 			} else {
2253 				ftpd_timeout = (yyvsp[(5) - (7)].i);
2254 				alarm((unsigned) ftpd_timeout);
2255 				reply(200,
2256 				    "Maximum IDLE time set to %d seconds",
2257 				    ftpd_timeout);
2258 			}
2259 		    }
2260 		}
2261     break;
2262 
2263   case 47:
2264 #line 503 "ftpcmd.y"
2265     {
2266 #ifdef KRB4
2267 			char *p;
2268 
2269 			if(guest)
2270 				reply(500, "Can't be done as guest.");
2271 			else{
2272 				if((yyvsp[(7) - (7)].i) && (yyvsp[(5) - (7)].s) != NULL){
2273 				    p = strpbrk((yyvsp[(5) - (7)].s), " \t");
2274 				    if(p){
2275 					*p++ = 0;
2276 					kauth((yyvsp[(5) - (7)].s), p + strspn(p, " \t"));
2277 				    }else
2278 					kauth((yyvsp[(5) - (7)].s), NULL);
2279 				}
2280 			}
2281 			if((yyvsp[(5) - (7)].s) != NULL)
2282 			    free((yyvsp[(5) - (7)].s));
2283 #else
2284 			reply(500, "Command not implemented.");
2285 #endif
2286 		}
2287     break;
2288 
2289   case 48:
2290 #line 526 "ftpcmd.y"
2291     {
2292 		    if((yyvsp[(5) - (5)].i))
2293 			klist();
2294 		}
2295     break;
2296 
2297   case 49:
2298 #line 531 "ftpcmd.y"
2299     {
2300 #ifdef KRB4
2301 		    if((yyvsp[(5) - (5)].i))
2302 			kdestroy();
2303 #else
2304 		    reply(500, "Command not implemented.");
2305 #endif
2306 		}
2307     break;
2308 
2309   case 50:
2310 #line 540 "ftpcmd.y"
2311     {
2312 #ifdef KRB4
2313 		    if(guest)
2314 			reply(500, "Can't be done as guest.");
2315 		    else if((yyvsp[(7) - (7)].i) && (yyvsp[(5) - (7)].s))
2316 			krbtkfile((yyvsp[(5) - (7)].s));
2317 		    if((yyvsp[(5) - (7)].s))
2318 			free((yyvsp[(5) - (7)].s));
2319 #else
2320 		    reply(500, "Command not implemented.");
2321 #endif
2322 		}
2323     break;
2324 
2325   case 51:
2326 #line 553 "ftpcmd.y"
2327     {
2328 #if defined(KRB4) || defined(KRB5)
2329 		    if(guest)
2330 			reply(500, "Can't be done as guest.");
2331 		    else if((yyvsp[(5) - (5)].i))
2332 			afslog(NULL, 0);
2333 #else
2334 		    reply(500, "Command not implemented.");
2335 #endif
2336 		}
2337     break;
2338 
2339   case 52:
2340 #line 564 "ftpcmd.y"
2341     {
2342 #if defined(KRB4) || defined(KRB5)
2343 		    if(guest)
2344 			reply(500, "Can't be done as guest.");
2345 		    else if((yyvsp[(7) - (7)].i))
2346 			afslog((yyvsp[(5) - (7)].s), 0);
2347 		    if((yyvsp[(5) - (7)].s))
2348 			free((yyvsp[(5) - (7)].s));
2349 #else
2350 		    reply(500, "Command not implemented.");
2351 #endif
2352 		}
2353     break;
2354 
2355   case 53:
2356 #line 577 "ftpcmd.y"
2357     {
2358 		    if((yyvsp[(7) - (7)].i) && (yyvsp[(5) - (7)].s) != NULL)
2359 			find((yyvsp[(5) - (7)].s));
2360 		    if((yyvsp[(5) - (7)].s) != NULL)
2361 			free((yyvsp[(5) - (7)].s));
2362 		}
2363     break;
2364 
2365   case 54:
2366 #line 584 "ftpcmd.y"
2367     {
2368 		    if ((yyvsp[(5) - (5)].i))
2369 			reply(200, "http://www.pdc.kth.se/heimdal/");
2370 		}
2371     break;
2372 
2373   case 55:
2374 #line 589 "ftpcmd.y"
2375     {
2376 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2377 				do_store((yyvsp[(3) - (5)].s), "w", 1);
2378 			if ((yyvsp[(3) - (5)].s) != NULL)
2379 				free((yyvsp[(3) - (5)].s));
2380 		}
2381     break;
2382 
2383   case 56:
2384 #line 596 "ftpcmd.y"
2385     {
2386 		    if ((yyvsp[(3) - (3)].i)) {
2387 #if !defined(WIN32) && !defined(__EMX__) && !defined(__OS2__) && !defined(__CYGWIN32__)
2388 			reply(215, "UNIX Type: L%d", NBBY);
2389 #else
2390 			reply(215, "UNKNOWN Type: L%d", NBBY);
2391 #endif
2392 		    }
2393 		}
2394     break;
2395 
2396   case 57:
2397 #line 614 "ftpcmd.y"
2398     {
2399 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL)
2400 				sizecmd((yyvsp[(3) - (5)].s));
2401 			if ((yyvsp[(3) - (5)].s) != NULL)
2402 				free((yyvsp[(3) - (5)].s));
2403 		}
2404     break;
2405 
2406   case 58:
2407 #line 631 "ftpcmd.y"
2408     {
2409 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s) != NULL) {
2410 				struct stat stbuf;
2411 				if (stat((yyvsp[(3) - (5)].s), &stbuf) < 0)
2412 					reply(550, "%s: %s",
2413 					    (yyvsp[(3) - (5)].s), strerror(errno));
2414 				else if (!S_ISREG(stbuf.st_mode)) {
2415 					reply(550,
2416 					      "%s: not a plain file.", (yyvsp[(3) - (5)].s));
2417 				} else {
2418 					struct tm *t;
2419 					time_t mtime = stbuf.st_mtime;
2420 
2421 					t = gmtime(&mtime);
2422 					reply(213,
2423 					      "%04d%02d%02d%02d%02d%02d",
2424 					      t->tm_year + 1900,
2425 					      t->tm_mon + 1,
2426 					      t->tm_mday,
2427 					      t->tm_hour,
2428 					      t->tm_min,
2429 					      t->tm_sec);
2430 				}
2431 			}
2432 			if ((yyvsp[(3) - (5)].s) != NULL)
2433 				free((yyvsp[(3) - (5)].s));
2434 		}
2435     break;
2436 
2437   case 59:
2438 #line 659 "ftpcmd.y"
2439     {
2440 		    if ((yyvsp[(3) - (3)].i)) {
2441 			reply(221, "Goodbye.");
2442 			dologout(0);
2443 		    }
2444 		}
2445     break;
2446 
2447   case 60:
2448 #line 666 "ftpcmd.y"
2449     {
2450 			yyerrok;
2451 		}
2452     break;
2453 
2454   case 61:
2455 #line 672 "ftpcmd.y"
2456     {
2457 			restart_point = (off_t) 0;
2458 			if ((yyvsp[(5) - (5)].i) && (yyvsp[(3) - (5)].s)) {
2459 				fromname = renamefrom((yyvsp[(3) - (5)].s));
2460 				if (fromname == (char *) 0 && (yyvsp[(3) - (5)].s)) {
2461 					free((yyvsp[(3) - (5)].s));
2462 				}
2463 			}
2464 		}
2465     break;
2466 
2467   case 62:
2468 #line 682 "ftpcmd.y"
2469     {
2470 		    if ((yyvsp[(5) - (5)].i)) {
2471 			fromname = (char *) 0;
2472 			restart_point = (yyvsp[(3) - (5)].i);	/* XXX $3 is only "int" */
2473 			reply(350, "Restarting at %ld. %s",
2474 			      (long)restart_point,
2475 			      "Send STORE or RETRIEVE to initiate transfer.");
2476 		    }
2477 		}
2478     break;
2479 
2480   case 63:
2481 #line 692 "ftpcmd.y"
2482     {
2483 			auth((yyvsp[(3) - (4)].s));
2484 			free((yyvsp[(3) - (4)].s));
2485 		}
2486     break;
2487 
2488   case 64:
2489 #line 697 "ftpcmd.y"
2490     {
2491 			adat((yyvsp[(3) - (4)].s));
2492 			free((yyvsp[(3) - (4)].s));
2493 		}
2494     break;
2495 
2496   case 65:
2497 #line 702 "ftpcmd.y"
2498     {
2499 		    if ((yyvsp[(5) - (5)].i))
2500 			pbsz((yyvsp[(3) - (5)].i));
2501 		}
2502     break;
2503 
2504   case 66:
2505 #line 707 "ftpcmd.y"
2506     {
2507 		    if ((yyvsp[(5) - (5)].i))
2508 			prot((yyvsp[(3) - (5)].s));
2509 		}
2510     break;
2511 
2512   case 67:
2513 #line 712 "ftpcmd.y"
2514     {
2515 		    if ((yyvsp[(3) - (3)].i))
2516 			ccc();
2517 		}
2518     break;
2519 
2520   case 68:
2521 #line 717 "ftpcmd.y"
2522     {
2523 			mec((yyvsp[(3) - (4)].s), prot_safe);
2524 			free((yyvsp[(3) - (4)].s));
2525 		}
2526     break;
2527 
2528   case 69:
2529 #line 722 "ftpcmd.y"
2530     {
2531 			mec((yyvsp[(3) - (4)].s), prot_confidential);
2532 			free((yyvsp[(3) - (4)].s));
2533 		}
2534     break;
2535 
2536   case 70:
2537 #line 727 "ftpcmd.y"
2538     {
2539 			mec((yyvsp[(3) - (4)].s), prot_private);
2540 			free((yyvsp[(3) - (4)].s));
2541 		}
2542     break;
2543 
2544   case 72:
2545 #line 739 "ftpcmd.y"
2546     {
2547 			(yyval.s) = (char *)calloc(1, sizeof(char));
2548 		}
2549     break;
2550 
2551   case 75:
2552 #line 752 "ftpcmd.y"
2553     {
2554 			struct sockaddr_in *sin4 = (struct sockaddr_in *)data_dest;
2555 
2556 			sin4->sin_family = AF_INET;
2557 			sin4->sin_port = htons((yyvsp[(9) - (11)].i) * 256 + (yyvsp[(11) - (11)].i));
2558 			sin4->sin_addr.s_addr =
2559 			    htonl(((yyvsp[(1) - (11)].i) << 24) | ((yyvsp[(3) - (11)].i) << 16) | ((yyvsp[(5) - (11)].i) << 8) | (yyvsp[(7) - (11)].i));
2560 		}
2561     break;
2562 
2563   case 76:
2564 #line 764 "ftpcmd.y"
2565     {
2566 			(yyval.i) = FORM_N;
2567 		}
2568     break;
2569 
2570   case 77:
2571 #line 768 "ftpcmd.y"
2572     {
2573 			(yyval.i) = FORM_T;
2574 		}
2575     break;
2576 
2577   case 78:
2578 #line 772 "ftpcmd.y"
2579     {
2580 			(yyval.i) = FORM_C;
2581 		}
2582     break;
2583 
2584   case 79:
2585 #line 779 "ftpcmd.y"
2586     {
2587 			cmd_type = TYPE_A;
2588 			cmd_form = FORM_N;
2589 		}
2590     break;
2591 
2592   case 80:
2593 #line 784 "ftpcmd.y"
2594     {
2595 			cmd_type = TYPE_A;
2596 			cmd_form = (yyvsp[(3) - (3)].i);
2597 		}
2598     break;
2599 
2600   case 81:
2601 #line 789 "ftpcmd.y"
2602     {
2603 			cmd_type = TYPE_E;
2604 			cmd_form = FORM_N;
2605 		}
2606     break;
2607 
2608   case 82:
2609 #line 794 "ftpcmd.y"
2610     {
2611 			cmd_type = TYPE_E;
2612 			cmd_form = (yyvsp[(3) - (3)].i);
2613 		}
2614     break;
2615 
2616   case 83:
2617 #line 799 "ftpcmd.y"
2618     {
2619 			cmd_type = TYPE_I;
2620 		}
2621     break;
2622 
2623   case 84:
2624 #line 803 "ftpcmd.y"
2625     {
2626 			cmd_type = TYPE_L;
2627 			cmd_bytesz = NBBY;
2628 		}
2629     break;
2630 
2631   case 85:
2632 #line 808 "ftpcmd.y"
2633     {
2634 			cmd_type = TYPE_L;
2635 			cmd_bytesz = (yyvsp[(3) - (3)].i);
2636 		}
2637     break;
2638 
2639   case 86:
2640 #line 814 "ftpcmd.y"
2641     {
2642 			cmd_type = TYPE_L;
2643 			cmd_bytesz = (yyvsp[(2) - (2)].i);
2644 		}
2645     break;
2646 
2647   case 87:
2648 #line 822 "ftpcmd.y"
2649     {
2650 			(yyval.i) = STRU_F;
2651 		}
2652     break;
2653 
2654   case 88:
2655 #line 826 "ftpcmd.y"
2656     {
2657 			(yyval.i) = STRU_R;
2658 		}
2659     break;
2660 
2661   case 89:
2662 #line 830 "ftpcmd.y"
2663     {
2664 			(yyval.i) = STRU_P;
2665 		}
2666     break;
2667 
2668   case 90:
2669 #line 837 "ftpcmd.y"
2670     {
2671 			(yyval.i) = MODE_S;
2672 		}
2673     break;
2674 
2675   case 91:
2676 #line 841 "ftpcmd.y"
2677     {
2678 			(yyval.i) = MODE_B;
2679 		}
2680     break;
2681 
2682   case 92:
2683 #line 845 "ftpcmd.y"
2684     {
2685 			(yyval.i) = MODE_C;
2686 		}
2687     break;
2688 
2689   case 93:
2690 #line 852 "ftpcmd.y"
2691     {
2692 			/*
2693 			 * Problem: this production is used for all pathname
2694 			 * processing, but only gives a 550 error reply.
2695 			 * This is a valid reply in some cases but not in others.
2696 			 */
2697 			if (logged_in && (yyvsp[(1) - (1)].s) && *(yyvsp[(1) - (1)].s) == '~') {
2698 				glob_t gl;
2699 				int flags =
2700 				 GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
2701 
2702 				memset(&gl, 0, sizeof(gl));
2703 				if (glob((yyvsp[(1) - (1)].s), flags, NULL, &gl) ||
2704 				    gl.gl_pathc == 0) {
2705 					reply(550, "not found");
2706 					(yyval.s) = NULL;
2707 				} else {
2708 					(yyval.s) = strdup(gl.gl_pathv[0]);
2709 				}
2710 				globfree(&gl);
2711 				free((yyvsp[(1) - (1)].s));
2712 			} else
2713 				(yyval.s) = (yyvsp[(1) - (1)].s);
2714 		}
2715     break;
2716 
2717   case 95:
2718 #line 884 "ftpcmd.y"
2719     {
2720 			int ret, dec, multby, digit;
2721 
2722 			/*
2723 			 * Convert a number that was read as decimal number
2724 			 * to what it would be if it had been read as octal.
2725 			 */
2726 			dec = (yyvsp[(1) - (1)].i);
2727 			multby = 1;
2728 			ret = 0;
2729 			while (dec) {
2730 				digit = dec%10;
2731 				if (digit > 7) {
2732 					ret = -1;
2733 					break;
2734 				}
2735 				ret += digit * multby;
2736 				multby *= 8;
2737 				dec /= 10;
2738 			}
2739 			(yyval.i) = ret;
2740 		}
2741     break;
2742 
2743   case 96:
2744 #line 910 "ftpcmd.y"
2745     {
2746 			(yyval.i) = (yyvsp[(1) - (1)].i) && !guest;
2747 			if((yyvsp[(1) - (1)].i) && !(yyval.i))
2748 				reply(550, "Permission denied");
2749 		}
2750     break;
2751 
2752   case 97:
2753 #line 918 "ftpcmd.y"
2754     {
2755 		    if((yyvsp[(1) - (1)].i)) {
2756 			if(((yyval.i) = logged_in) == 0)
2757 			    reply(530, "Please login with USER and PASS.");
2758 		    } else
2759 			(yyval.i) = 0;
2760 		}
2761     break;
2762 
2763   case 98:
2764 #line 928 "ftpcmd.y"
2765     {
2766 		    (yyval.i) = 1;
2767 		    if(sec_complete && !ccc_passed && !secure_command()) {
2768 			(yyval.i) = 0;
2769 			reply(533, "Command protection level denied "
2770 			      "for paranoid reasons.");
2771 		    }
2772 		}
2773     break;
2774 
2775 
2776 /* Line 1267 of yacc.c.  */
2777 #line 2778 "ftpcmd.c"
2778       default: break;
2779     }
2780   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
2781 
2782   YYPOPSTACK (yylen);
2783   yylen = 0;
2784   YY_STACK_PRINT (yyss, yyssp);
2785 
2786   *++yyvsp = yyval;
2787 
2788 
2789   /* Now `shift' the result of the reduction.  Determine what state
2790      that goes to, based on the state we popped back to and the rule
2791      number reduced by.  */
2792 
2793   yyn = yyr1[yyn];
2794 
2795   yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
2796   if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
2797     yystate = yytable[yystate];
2798   else
2799     yystate = yydefgoto[yyn - YYNTOKENS];
2800 
2801   goto yynewstate;
2802 
2803 
2804 /*------------------------------------.
2805 | yyerrlab -- here on detecting error |
2806 `------------------------------------*/
2807 yyerrlab:
2808   /* If not already recovering from an error, report this error.  */
2809   if (!yyerrstatus)
2810     {
2811       ++yynerrs;
2812 #if ! YYERROR_VERBOSE
2813       yyerror (YY_("syntax error"));
2814 #else
2815       {
2816 	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
2817 	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
2818 	  {
2819 	    YYSIZE_T yyalloc = 2 * yysize;
2820 	    if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
2821 	      yyalloc = YYSTACK_ALLOC_MAXIMUM;
2822 	    if (yymsg != yymsgbuf)
2823 	      YYSTACK_FREE (yymsg);
2824 	    yymsg = (char *) YYSTACK_ALLOC (yyalloc);
2825 	    if (yymsg)
2826 	      yymsg_alloc = yyalloc;
2827 	    else
2828 	      {
2829 		yymsg = yymsgbuf;
2830 		yymsg_alloc = sizeof yymsgbuf;
2831 	      }
2832 	  }
2833 
2834 	if (0 < yysize && yysize <= yymsg_alloc)
2835 	  {
2836 	    (void) yysyntax_error (yymsg, yystate, yychar);
2837 	    yyerror (yymsg);
2838 	  }
2839 	else
2840 	  {
2841 	    yyerror (YY_("syntax error"));
2842 	    if (yysize != 0)
2843 	      goto yyexhaustedlab;
2844 	  }
2845       }
2846 #endif
2847     }
2848 
2849 
2850 
2851   if (yyerrstatus == 3)
2852     {
2853       /* If just tried and failed to reuse look-ahead token after an
2854 	 error, discard it.  */
2855 
2856       if (yychar <= YYEOF)
2857 	{
2858 	  /* Return failure if at end of input.  */
2859 	  if (yychar == YYEOF)
2860 	    YYABORT;
2861 	}
2862       else
2863 	{
2864 	  yydestruct ("Error: discarding",
2865 		      yytoken, &yylval);
2866 	  yychar = YYEMPTY;
2867 	}
2868     }
2869 
2870   /* Else will try to reuse look-ahead token after shifting the error
2871      token.  */
2872   goto yyerrlab1;
2873 
2874 
2875 /*---------------------------------------------------.
2876 | yyerrorlab -- error raised explicitly by YYERROR.  |
2877 `---------------------------------------------------*/
2878 yyerrorlab:
2879 
2880   /* Pacify compilers like GCC when the user code never invokes
2881      YYERROR and the label yyerrorlab therefore never appears in user
2882      code.  */
2883   if (/*CONSTCOND*/ 0)
2884      goto yyerrorlab;
2885 
2886   /* Do not reclaim the symbols of the rule which action triggered
2887      this YYERROR.  */
2888   YYPOPSTACK (yylen);
2889   yylen = 0;
2890   YY_STACK_PRINT (yyss, yyssp);
2891   yystate = *yyssp;
2892   goto yyerrlab1;
2893 
2894 
2895 /*-------------------------------------------------------------.
2896 | yyerrlab1 -- common code for both syntax error and YYERROR.  |
2897 `-------------------------------------------------------------*/
2898 yyerrlab1:
2899   yyerrstatus = 3;	/* Each real token shifted decrements this.  */
2900 
2901   for (;;)
2902     {
2903       yyn = yypact[yystate];
2904       if (yyn != YYPACT_NINF)
2905 	{
2906 	  yyn += YYTERROR;
2907 	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
2908 	    {
2909 	      yyn = yytable[yyn];
2910 	      if (0 < yyn)
2911 		break;
2912 	    }
2913 	}
2914 
2915       /* Pop the current state because it cannot handle the error token.  */
2916       if (yyssp == yyss)
2917 	YYABORT;
2918 
2919 
2920       yydestruct ("Error: popping",
2921 		  yystos[yystate], yyvsp);
2922       YYPOPSTACK (1);
2923       yystate = *yyssp;
2924       YY_STACK_PRINT (yyss, yyssp);
2925     }
2926 
2927   if (yyn == YYFINAL)
2928     YYACCEPT;
2929 
2930   *++yyvsp = yylval;
2931 
2932 
2933   /* Shift the error token.  */
2934   YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
2935 
2936   yystate = yyn;
2937   goto yynewstate;
2938 
2939 
2940 /*-------------------------------------.
2941 | yyacceptlab -- YYACCEPT comes here.  |
2942 `-------------------------------------*/
2943 yyacceptlab:
2944   yyresult = 0;
2945   goto yyreturn;
2946 
2947 /*-----------------------------------.
2948 | yyabortlab -- YYABORT comes here.  |
2949 `-----------------------------------*/
2950 yyabortlab:
2951   yyresult = 1;
2952   goto yyreturn;
2953 
2954 #ifndef yyoverflow
2955 /*-------------------------------------------------.
2956 | yyexhaustedlab -- memory exhaustion comes here.  |
2957 `-------------------------------------------------*/
2958 yyexhaustedlab:
2959   yyerror (YY_("memory exhausted"));
2960   yyresult = 2;
2961   /* Fall through.  */
2962 #endif
2963 
2964 yyreturn:
2965   if (yychar != YYEOF && yychar != YYEMPTY)
2966      yydestruct ("Cleanup: discarding lookahead",
2967 		 yytoken, &yylval);
2968   /* Do not reclaim the symbols of the rule which action triggered
2969      this YYABORT or YYACCEPT.  */
2970   YYPOPSTACK (yylen);
2971   YY_STACK_PRINT (yyss, yyssp);
2972   while (yyssp != yyss)
2973     {
2974       yydestruct ("Cleanup: popping",
2975 		  yystos[*yyssp], yyvsp);
2976       YYPOPSTACK (1);
2977     }
2978 #ifndef yyoverflow
2979   if (yyss != yyssa)
2980     YYSTACK_FREE (yyss);
2981 #endif
2982 #if YYERROR_VERBOSE
2983   if (yymsg != yymsgbuf)
2984     YYSTACK_FREE (yymsg);
2985 #endif
2986   /* Make sure YYID is used.  */
2987   return YYID (yyresult);
2988 }
2989 
2990 
2991 #line 938 "ftpcmd.y"
2992 
2993 
2994 #define	CMD	0	/* beginning of command */
2995 #define	ARGS	1	/* expect miscellaneous arguments */
2996 #define	STR1	2	/* expect SP followed by STRING */
2997 #define	STR2	3	/* expect STRING */
2998 #define	OSTR	4	/* optional SP then STRING */
2999 #define	ZSTR1	5	/* SP then optional STRING */
3000 #define	ZSTR2	6	/* optional STRING after SP */
3001 #define	SITECMD	7	/* SITE command */
3002 #define	NSTR	8	/* Number followed by a string */
3003 
3004 struct tab cmdtab[] = {		/* In order defined in RFC 765 */
3005 	{ "USER", USER, STR1, 1,	"<sp> username" },
3006 	{ "PASS", PASS, ZSTR1, 1,	"<sp> password" },
3007 	{ "ACCT", ACCT, STR1, 0,	"(specify account)" },
3008 	{ "SMNT", SMNT, ARGS, 0,	"(structure mount)" },
3009 	{ "REIN", REIN, ARGS, 0,	"(reinitialize server state)" },
3010 	{ "QUIT", QUIT, ARGS, 1,	"(terminate service)", },
3011 	{ "PORT", PORT, ARGS, 1,	"<sp> b0, b1, b2, b3, b4" },
3012 	{ "EPRT", EPRT, STR1, 1,	"<sp> string" },
3013 	{ "PASV", PASV, ARGS, 1,	"(set server in passive mode)" },
3014 	{ "EPSV", EPSV, OSTR, 1,	"[<sp> foo]" },
3015 	{ "TYPE", TYPE, ARGS, 1,	"<sp> [ A | E | I | L ]" },
3016 	{ "STRU", STRU, ARGS, 1,	"(specify file structure)" },
3017 	{ "MODE", MODE, ARGS, 1,	"(specify transfer mode)" },
3018 	{ "RETR", RETR, STR1, 1,	"<sp> file-name" },
3019 	{ "STOR", STOR, STR1, 1,	"<sp> file-name" },
3020 	{ "APPE", APPE, STR1, 1,	"<sp> file-name" },
3021 	{ "MLFL", MLFL, OSTR, 0,	"(mail file)" },
3022 	{ "MAIL", MAIL, OSTR, 0,	"(mail to user)" },
3023 	{ "MSND", MSND, OSTR, 0,	"(mail send to terminal)" },
3024 	{ "MSOM", MSOM, OSTR, 0,	"(mail send to terminal or mailbox)" },
3025 	{ "MSAM", MSAM, OSTR, 0,	"(mail send to terminal and mailbox)" },
3026 	{ "MRSQ", MRSQ, OSTR, 0,	"(mail recipient scheme question)" },
3027 	{ "MRCP", MRCP, STR1, 0,	"(mail recipient)" },
3028 	{ "ALLO", ALLO, ARGS, 1,	"allocate storage (vacuously)" },
3029 	{ "REST", REST, ARGS, 1,	"<sp> offset (restart command)" },
3030 	{ "RNFR", RNFR, STR1, 1,	"<sp> file-name" },
3031 	{ "RNTO", RNTO, STR1, 1,	"<sp> file-name" },
3032 	{ "ABOR", ABOR, ARGS, 1,	"(abort operation)" },
3033 	{ "DELE", DELE, STR1, 1,	"<sp> file-name" },
3034 	{ "CWD",  CWD,  OSTR, 1,	"[ <sp> directory-name ]" },
3035 	{ "XCWD", CWD,	OSTR, 1,	"[ <sp> directory-name ]" },
3036 	{ "LIST", LIST, OSTR, 1,	"[ <sp> path-name ]" },
3037 	{ "NLST", NLST, OSTR, 1,	"[ <sp> path-name ]" },
3038 	{ "SITE", SITE, SITECMD, 1,	"site-cmd [ <sp> arguments ]" },
3039 	{ "SYST", SYST, ARGS, 1,	"(get type of operating system)" },
3040 	{ "STAT", sTAT, OSTR, 1,	"[ <sp> path-name ]" },
3041 	{ "HELP", HELP, OSTR, 1,	"[ <sp> <string> ]" },
3042 	{ "NOOP", NOOP, ARGS, 1,	"" },
3043 	{ "MKD",  MKD,  STR1, 1,	"<sp> path-name" },
3044 	{ "XMKD", MKD,  STR1, 1,	"<sp> path-name" },
3045 	{ "RMD",  RMD,  STR1, 1,	"<sp> path-name" },
3046 	{ "XRMD", RMD,  STR1, 1,	"<sp> path-name" },
3047 	{ "PWD",  PWD,  ARGS, 1,	"(return current directory)" },
3048 	{ "XPWD", PWD,  ARGS, 1,	"(return current directory)" },
3049 	{ "CDUP", CDUP, ARGS, 1,	"(change to parent directory)" },
3050 	{ "XCUP", CDUP, ARGS, 1,	"(change to parent directory)" },
3051 	{ "STOU", STOU, STR1, 1,	"<sp> file-name" },
3052 	{ "SIZE", SIZE, OSTR, 1,	"<sp> path-name" },
3053 	{ "MDTM", MDTM, OSTR, 1,	"<sp> path-name" },
3054 
3055 	/* extensions from RFC2228 */
3056 	{ "AUTH", AUTH,	STR1, 1,	"<sp> auth-type" },
3057 	{ "ADAT", ADAT,	STR1, 1,	"<sp> auth-data" },
3058 	{ "PBSZ", PBSZ,	ARGS, 1,	"<sp> buffer-size" },
3059 	{ "PROT", PROT,	STR1, 1,	"<sp> prot-level" },
3060 	{ "CCC",  CCC,	ARGS, 1,	"" },
3061 	{ "MIC",  MIC,	STR1, 1,	"<sp> integrity command" },
3062 	{ "CONF", CONF,	STR1, 1,	"<sp> confidentiality command" },
3063 	{ "ENC",  ENC,	STR1, 1,	"<sp> privacy command" },
3064 
3065 	/* RFC2389 */
3066 	{ "FEAT", FEAT, ARGS, 1,	"" },
3067 	{ "OPTS", OPTS, ARGS, 1,	"<sp> command [<sp> options]" },
3068 
3069 	{ NULL,   0,    0,    0,	0 }
3070 };
3071 
3072 struct tab sitetab[] = {
3073 	{ "UMASK", UMASK, ARGS, 1,	"[ <sp> umask ]" },
3074 	{ "IDLE", IDLE, ARGS, 1,	"[ <sp> maximum-idle-time ]" },
3075 	{ "CHMOD", CHMOD, NSTR, 1,	"<sp> mode <sp> file-name" },
3076 	{ "HELP", HELP, OSTR, 1,	"[ <sp> <string> ]" },
3077 
3078 	{ "KAUTH", KAUTH, STR1, 1,	"<sp> principal [ <sp> ticket ]" },
3079 	{ "KLIST", KLIST, ARGS, 1,	"(show ticket file)" },
3080 	{ "KDESTROY", KDESTROY, ARGS, 1, "(destroy tickets)" },
3081 	{ "KRBTKFILE", KRBTKFILE, STR1, 1, "<sp> ticket-file" },
3082 	{ "AFSLOG", AFSLOG, OSTR, 1,	"[<sp> cell]" },
3083 
3084 	{ "LOCATE", LOCATE, STR1, 1,	"<sp> globexpr" },
3085 	{ "FIND", LOCATE, STR1, 1,	"<sp> globexpr" },
3086 
3087 	{ "URL",  URL,  ARGS, 1,	"?" },
3088 
3089 	{ NULL,   0,    0,    0,	0 }
3090 };
3091 
3092 static struct tab *
3093 lookup(struct tab *p, char *cmd)
3094 {
3095 
3096 	for (; p->name != NULL; p++)
3097 		if (strcmp(cmd, p->name) == 0)
3098 			return (p);
3099 	return (0);
3100 }
3101 
3102 /*
3103  * ftpd_getline - a hacked up version of fgets to ignore TELNET escape codes.
3104  */
3105 char *
3106 ftpd_getline(char *s, int n)
3107 {
3108 	int c;
3109 	char *cs;
3110 
3111 	cs = s;
3112 
3113 	/* might still be data within the security MIC/CONF/ENC */
3114 	if(ftp_command){
3115 	    strlcpy(s, ftp_command, n);
3116 	    if (debug)
3117 		syslog(LOG_DEBUG, "command: %s", s);
3118 	    return s;
3119 	}
3120 	while ((c = getc(stdin)) != EOF) {
3121 		c &= 0377;
3122 		if (c == IAC) {
3123 		    if ((c = getc(stdin)) != EOF) {
3124 			c &= 0377;
3125 			switch (c) {
3126 			case WILL:
3127 			case WONT:
3128 				c = getc(stdin);
3129 				printf("%c%c%c", IAC, DONT, 0377&c);
3130 				fflush(stdout);
3131 				continue;
3132 			case DO:
3133 			case DONT:
3134 				c = getc(stdin);
3135 				printf("%c%c%c", IAC, WONT, 0377&c);
3136 				fflush(stdout);
3137 				continue;
3138 			case IAC:
3139 				break;
3140 			default:
3141 				continue;	/* ignore command */
3142 			}
3143 		    }
3144 		}
3145 		*cs++ = c;
3146 		if (--n <= 0 || c == '\n')
3147 			break;
3148 	}
3149 	if (c == EOF && cs == s)
3150 		return (NULL);
3151 	*cs++ = '\0';
3152 	if (debug) {
3153 		if (!guest && strncasecmp("pass ", s, 5) == 0) {
3154 			/* Don't syslog passwords */
3155 			syslog(LOG_DEBUG, "command: %.5s ???", s);
3156 		} else {
3157 			char *cp;
3158 			int len;
3159 
3160 			/* Don't syslog trailing CR-LF */
3161 			len = strlen(s);
3162 			cp = s + len - 1;
3163 			while (cp >= s && (*cp == '\n' || *cp == '\r')) {
3164 				--cp;
3165 				--len;
3166 			}
3167 			syslog(LOG_DEBUG, "command: %.*s", len, s);
3168 		}
3169 	}
3170 #ifdef XXX
3171 	fprintf(stderr, "%s\n", s);
3172 #endif
3173 	return (s);
3174 }
3175 
3176 static RETSIGTYPE
3177 toolong(int signo)
3178 {
3179 
3180 	reply(421,
3181 	    "Timeout (%d seconds): closing control connection.",
3182 	      ftpd_timeout);
3183 	if (logging)
3184 		syslog(LOG_INFO, "User %s timed out after %d seconds",
3185 		    (pw ? pw -> pw_name : "unknown"), ftpd_timeout);
3186 	dologout(1);
3187 	SIGRETURN(0);
3188 }
3189 
3190 static int
3191 yylex(void)
3192 {
3193 	static int cpos, state;
3194 	char *cp, *cp2;
3195 	struct tab *p;
3196 	int n;
3197 	char c;
3198 
3199 	for (;;) {
3200 		switch (state) {
3201 
3202 		case CMD:
3203 			hasyyerrored = 0;
3204 
3205 			signal(SIGALRM, toolong);
3206 			alarm((unsigned) ftpd_timeout);
3207 			if (ftpd_getline(cbuf, sizeof(cbuf)-1) == NULL) {
3208 				reply(221, "You could at least say goodbye.");
3209 				dologout(0);
3210 			}
3211 			alarm(0);
3212 #ifdef HAVE_SETPROCTITLE
3213 			if (strncasecmp(cbuf, "PASS", 4) != 0)
3214 				setproctitle("%s: %s", proctitle, cbuf);
3215 #endif /* HAVE_SETPROCTITLE */
3216 			if ((cp = strchr(cbuf, '\r'))) {
3217 				*cp++ = '\n';
3218 				*cp = '\0';
3219 			}
3220 			if ((cp = strpbrk(cbuf, " \n")))
3221 				cpos = cp - cbuf;
3222 			if (cpos == 0)
3223 				cpos = 4;
3224 			c = cbuf[cpos];
3225 			cbuf[cpos] = '\0';
3226 			strupr(cbuf);
3227 			p = lookup(cmdtab, cbuf);
3228 			cbuf[cpos] = c;
3229 			if (p != 0) {
3230 				if (p->implemented == 0) {
3231 					nack(p->name);
3232 					hasyyerrored = 1;
3233 					break;
3234 				}
3235 				state = p->state;
3236 				yylval.s = p->name;
3237 				return (p->token);
3238 			}
3239 			break;
3240 
3241 		case SITECMD:
3242 			if (cbuf[cpos] == ' ') {
3243 				cpos++;
3244 				return (SP);
3245 			}
3246 			cp = &cbuf[cpos];
3247 			if ((cp2 = strpbrk(cp, " \n")))
3248 				cpos = cp2 - cbuf;
3249 			c = cbuf[cpos];
3250 			cbuf[cpos] = '\0';
3251 			strupr(cp);
3252 			p = lookup(sitetab, cp);
3253 			cbuf[cpos] = c;
3254 			if (p != 0) {
3255 				if (p->implemented == 0) {
3256 					state = CMD;
3257 					nack(p->name);
3258 					hasyyerrored = 1;
3259 					break;
3260 				}
3261 				state = p->state;
3262 				yylval.s = p->name;
3263 				return (p->token);
3264 			}
3265 			state = CMD;
3266 			break;
3267 
3268 		case OSTR:
3269 			if (cbuf[cpos] == '\n') {
3270 				state = CMD;
3271 				return (CRLF);
3272 			}
3273 			/* FALLTHROUGH */
3274 
3275 		case STR1:
3276 		case ZSTR1:
3277 		dostr1:
3278 			if (cbuf[cpos] == ' ') {
3279 				cpos++;
3280 				if(state == OSTR)
3281 				    state = STR2;
3282 				else
3283 				    state++;
3284 				return (SP);
3285 			}
3286 			break;
3287 
3288 		case ZSTR2:
3289 			if (cbuf[cpos] == '\n') {
3290 				state = CMD;
3291 				return (CRLF);
3292 			}
3293 			/* FALLTHROUGH */
3294 
3295 		case STR2:
3296 			cp = &cbuf[cpos];
3297 			n = strlen(cp);
3298 			cpos += n - 1;
3299 			/*
3300 			 * Make sure the string is nonempty and \n terminated.
3301 			 */
3302 			if (n > 1 && cbuf[cpos] == '\n') {
3303 				cbuf[cpos] = '\0';
3304 				yylval.s = copy(cp);
3305 				cbuf[cpos] = '\n';
3306 				state = ARGS;
3307 				return (STRING);
3308 			}
3309 			break;
3310 
3311 		case NSTR:
3312 			if (cbuf[cpos] == ' ') {
3313 				cpos++;
3314 				return (SP);
3315 			}
3316 			if (isdigit((unsigned char)cbuf[cpos])) {
3317 				cp = &cbuf[cpos];
3318 				while (isdigit((unsigned char)cbuf[++cpos]))
3319 					;
3320 				c = cbuf[cpos];
3321 				cbuf[cpos] = '\0';
3322 				yylval.i = atoi(cp);
3323 				cbuf[cpos] = c;
3324 				state = STR1;
3325 				return (NUMBER);
3326 			}
3327 			state = STR1;
3328 			goto dostr1;
3329 
3330 		case ARGS:
3331 			if (isdigit((unsigned char)cbuf[cpos])) {
3332 				cp = &cbuf[cpos];
3333 				while (isdigit((unsigned char)cbuf[++cpos]))
3334 					;
3335 				c = cbuf[cpos];
3336 				cbuf[cpos] = '\0';
3337 				yylval.i = atoi(cp);
3338 				cbuf[cpos] = c;
3339 				return (NUMBER);
3340 			}
3341 			switch (cbuf[cpos++]) {
3342 
3343 			case '\n':
3344 				state = CMD;
3345 				return (CRLF);
3346 
3347 			case ' ':
3348 				return (SP);
3349 
3350 			case ',':
3351 				return (COMMA);
3352 
3353 			case 'A':
3354 			case 'a':
3355 				return (A);
3356 
3357 			case 'B':
3358 			case 'b':
3359 				return (B);
3360 
3361 			case 'C':
3362 			case 'c':
3363 				return (C);
3364 
3365 			case 'E':
3366 			case 'e':
3367 				return (E);
3368 
3369 			case 'F':
3370 			case 'f':
3371 				return (F);
3372 
3373 			case 'I':
3374 			case 'i':
3375 				return (I);
3376 
3377 			case 'L':
3378 			case 'l':
3379 				return (L);
3380 
3381 			case 'N':
3382 			case 'n':
3383 				return (N);
3384 
3385 			case 'P':
3386 			case 'p':
3387 				return (P);
3388 
3389 			case 'R':
3390 			case 'r':
3391 				return (R);
3392 
3393 			case 'S':
3394 			case 's':
3395 				return (S);
3396 
3397 			case 'T':
3398 			case 't':
3399 				return (T);
3400 
3401 			}
3402 			break;
3403 
3404 		default:
3405 			fatal("Unknown state in scanner.");
3406 		}
3407 		yyerror(NULL);
3408 		state = CMD;
3409 		return (0);
3410 	}
3411 }
3412 
3413 /* ARGSUSED */
3414 void
3415 yyerror(char *s)
3416 {
3417 	char *cp;
3418 
3419 	if (hasyyerrored)
3420 	    return;
3421 
3422 	if ((cp = strchr(cbuf,'\n')))
3423 		*cp = '\0';
3424 	reply(500, "'%s': command not understood.", cbuf);
3425 	hasyyerrored = 1;
3426 }
3427 
3428 static char *
3429 copy(char *s)
3430 {
3431 	char *p;
3432 
3433 	p = strdup(s);
3434 	if (p == NULL)
3435 		fatal("Ran out of memory.");
3436 	return p;
3437 }
3438 
3439 static void
3440 help(struct tab *ctab, char *s)
3441 {
3442 	struct tab *c;
3443 	int width, NCMDS;
3444 	char *t;
3445 	char buf[1024];
3446 
3447 	if (ctab == sitetab)
3448 		t = "SITE ";
3449 	else
3450 		t = "";
3451 	width = 0, NCMDS = 0;
3452 	for (c = ctab; c->name != NULL; c++) {
3453 		int len = strlen(c->name);
3454 
3455 		if (len > width)
3456 			width = len;
3457 		NCMDS++;
3458 	}
3459 	width = (width + 8) &~ 7;
3460 	if (s == 0) {
3461 		int i, j, w;
3462 		int columns, lines;
3463 
3464 		lreply(214, "The following %scommands are recognized %s.",
3465 		    t, "(* =>'s unimplemented)");
3466 		columns = 76 / width;
3467 		if (columns == 0)
3468 			columns = 1;
3469 		lines = (NCMDS + columns - 1) / columns;
3470 		for (i = 0; i < lines; i++) {
3471 		    strlcpy (buf, "   ", sizeof(buf));
3472 		    for (j = 0; j < columns; j++) {
3473 			c = ctab + j * lines + i;
3474 			snprintf (buf + strlen(buf),
3475 				  sizeof(buf) - strlen(buf),
3476 				  "%s%c",
3477 				  c->name,
3478 				  c->implemented ? ' ' : '*');
3479 			if (c + lines >= &ctab[NCMDS])
3480 			    break;
3481 			w = strlen(c->name) + 1;
3482 			while (w < width) {
3483 			    strlcat (buf,
3484 					     " ",
3485 					     sizeof(buf));
3486 			    w++;
3487 			}
3488 		    }
3489 		    lreply(214, "%s", buf);
3490 		}
3491 		reply(214, "Direct comments to kth-krb-bugs@pdc.kth.se");
3492 		return;
3493 	}
3494 	strupr(s);
3495 	c = lookup(ctab, s);
3496 	if (c == (struct tab *)0) {
3497 		reply(502, "Unknown command %s.", s);
3498 		return;
3499 	}
3500 	if (c->implemented)
3501 		reply(214, "Syntax: %s%s %s", t, c->name, c->help);
3502 	else
3503 		reply(214, "%s%-*s\t%s; unimplemented.", t, width,
3504 		    c->name, c->help);
3505 }
3506 
3507 static void
3508 sizecmd(char *filename)
3509 {
3510 	switch (type) {
3511 	case TYPE_L:
3512 	case TYPE_I: {
3513 		struct stat stbuf;
3514 		if (stat(filename, &stbuf) < 0 || !S_ISREG(stbuf.st_mode))
3515 			reply(550, "%s: not a plain file.", filename);
3516 		else
3517 			reply(213, "%lu", (unsigned long)stbuf.st_size);
3518 		break;
3519 	}
3520 	case TYPE_A: {
3521 		FILE *fin;
3522 		int c;
3523 		size_t count;
3524 		struct stat stbuf;
3525 		fin = fopen(filename, "r");
3526 		if (fin == NULL) {
3527 			perror_reply(550, filename);
3528 			return;
3529 		}
3530 		if (fstat(fileno(fin), &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) {
3531 			reply(550, "%s: not a plain file.", filename);
3532 			fclose(fin);
3533 			return;
3534 		}
3535 
3536 		count = 0;
3537 		while((c=getc(fin)) != EOF) {
3538 			if (c == '\n')	/* will get expanded to \r\n */
3539 				count++;
3540 			count++;
3541 		}
3542 		fclose(fin);
3543 
3544 		reply(213, "%lu", (unsigned long)count);
3545 		break;
3546 	}
3547 	default:
3548 		reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]);
3549 	}
3550 }
3551 
3552