genericunixprotocols/ftpsrv/src/ftpcmd.cpp
changeset 0 c6b0df440bee
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericunixprotocols/ftpsrv/src/ftpcmd.cpp	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,3051 @@
+//
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/* A Bison parser, made by GNU Bison 2.1.  */
+
+/* Skeleton parser for Yacc-like parsing with Bison,
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, when this file is copied by Bison into a
+   Bison output file, you may use that output file without restriction.
+   This special exception was added by the Free Software Foundation
+   in version 1.24 of Bison.  */
+
+/* Written by Richard Stallman by simplifying the original so called
+   ``semantic'' parser.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output.  */
+#define YYBISON 1
+
+/* Bison version.  */
+#define YYBISON_VERSION "2.1"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 0
+
+/* Using locations.  */
+#define YYLSP_NEEDED 0
+
+
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     A = 258,
+     B = 259,
+     C = 260,
+     E = 261,
+     F = 262,
+     I = 263,
+     L = 264,
+     N = 265,
+     P = 266,
+     R = 267,
+     S = 268,
+     T = 269,
+     SP = 270,
+     CRLF = 271,
+     COMMA = 272,
+     USER = 273,
+     PASS = 274,
+     ACCT = 275,
+     REIN = 276,
+     QUIT = 277,
+     PORT = 278,
+     PASV = 279,
+     TYPE = 280,
+     STRU = 281,
+     MODE = 282,
+     RETR = 283,
+     STOR = 284,
+     APPE = 285,
+     MLFL = 286,
+     MAIL = 287,
+     MSND = 288,
+     MSOM = 289,
+     MSAM = 290,
+     MRSQ = 291,
+     MRCP = 292,
+     ALLO = 293,
+     REST = 294,
+     RNFR = 295,
+     RNTO = 296,
+     ABOR = 297,
+     DELE = 298,
+     CWD = 299,
+     LIST = 300,
+     NLST = 301,
+     SITE = 302,
+     STAT = 303,
+     HELP = 304,
+     NOOP = 305,
+     MKD = 306,
+     RMD = 307,
+     PWD = 308,
+     CDUP = 309,
+     STOU = 310,
+     SMNT = 311,
+     SYST = 312,
+     SIZE = 313,
+     MDTM = 314,
+     UMASK = 315,
+     IDLE = 316,
+     CHMOD = 317,
+     LEXERR = 318,
+     STRING = 319,
+     NUMBER = 320
+   };
+#endif
+/* Tokens.  */
+#define A 258
+#define B 259
+#define C 260
+#define E 261
+#define F 262
+#define I 263
+#define L 264
+#define N 265
+#define P 266
+#define R 267
+#define S 268
+#define T 269
+#define SP 270
+#define CRLF 271
+#define COMMA 272
+#define USER 273
+#define PASS 274
+#define ACCT 275
+#define REIN 276
+#define QUIT 277
+#define PORT 278
+#define PASV 279
+#define TYPE 280
+#define STRU 281
+#define MODE 282
+#define RETR 283
+#define STOR 284
+#define APPE 285
+#define MLFL 286
+#define MAIL 287
+#define MSND 288
+#define MSOM 289
+#define MSAM 290
+#define MRSQ 291
+#define MRCP 292
+#define ALLO 293
+#define REST 294
+#define RNFR 295
+#define RNTO 296
+#define ABOR 297
+#define DELE 298
+#define CWD 299
+#define LIST 300
+#define NLST 301
+#define SITE 302
+#define STAT 303
+#define HELP 304
+#define NOOP 305
+#define MKD 306
+#define RMD 307
+#define PWD 308
+#define CDUP 309
+#define STOU 310
+#define SMNT 311
+#define SYST 312
+#define SIZE 313
+#define MDTM 314
+#define UMASK 315
+#define IDLE 316
+#define CHMOD 317
+#define LEXERR 318
+#define STRING 319
+#define NUMBER 320
+
+
+
+
+/* Copy the first part of user declarations.  */
+#line 43 "ftpcmd.y"
+
+
+char ftpcmd_rcsid[] = 
+  "$Id: ftpcmd.y,v 1.11 1999/10/09 02:32:12 dholland Exp $";
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+
+#include <netinet/in.h>
+#include <arpa/ftp.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <glob.h>
+#include <pwd.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+//#include <syslog.h>
+#include <time.h>
+#include <unistd.h>
+
+//#ifndef __linux__
+//#include <tzfile.h>
+//#else
+#define TM_YEAR_BASE 1900
+//#endif
+
+#include "extern.h"
+
+extern	struct sockaddr_in data_dest;
+extern	int logged_in;
+extern	struct passwd *pw;
+extern	int guest;
+extern	int logging;
+extern	int type;
+extern	int form;
+extern	int debug;
+extern	int timeout;
+extern	int maxtimeout;
+extern  int pdata;
+extern	char hostname[], remotehost[];
+extern	char proctitle[];
+extern	int usedefault;
+extern  int transflag;
+extern  char tmpline[];
+extern	int portcheck;
+extern	struct sockaddr_in his_addr;
+
+off_t	restart_point;
+
+static	int cmd_type;
+static	int cmd_form;
+static	int cmd_bytesz;
+char	cbuf[512];
+char	*fromname;
+
+struct tab;
+static int	 yylex __P((void));
+//static void	 sizecmd __P((char *));
+static void	 help __P((struct tab *, char *));
+
+//extern struct tab cmdtab[];
+//extern struct tab sitetab[];
+
+#define	CMD	0	/* beginning of command */
+#define	ARGS	1	/* expect miscellaneous arguments */
+#define	STR1	2	/* expect SP followed by STRING */
+#define	STR2	3	/* expect STRING */
+#define	OSTR	4	/* optional SP then STRING */
+#define	ZSTR1	5	/* SP then optional STRING */
+#define	ZSTR2	6	/* optional STRING after SP */
+#define	SITECMD	7	/* SITE command */
+#define	NSTR	8	/* Number followed by a string */
+
+struct tab {
+const char	*name;
+short	token;
+short	state;
+short	implemented;	/* 1 if command is implemented */
+const char	*help;
+};
+
+
+
+extern struct tab cmdtab[] = {		/* In order defined in RFC 765 */
+{ "USER", USER, STR1, 1,	"<sp> username" },
+{ "PASS", PASS, ZSTR1, 1,	"<sp> password" },
+{ "ACCT", ACCT, STR1, 0,	"(specify account)" },
+{ "SMNT", SMNT, ARGS, 0,	"(structure mount)" },
+{ "REIN", REIN, ARGS, 0,	"(reinitialize server state)" },
+{ "QUIT", QUIT, ARGS, 1,	"(terminate service)", },
+{ "PORT", PORT, ARGS, 1,	"<sp> b0, b1, b2, b3, b4" },
+{ "PASV", PASV, ARGS, 1,	"(set server in passive mode)" },
+{ "TYPE", TYPE, ARGS, 1,	"<sp> [ A | E | I | L ]" },
+{ "STRU", STRU, ARGS, 1,	"(specify file structure)" },
+{ "MODE", MODE, ARGS, 1,	"(specify transfer mode)" },
+{ "RETR", RETR, STR1, 1,	"<sp> file-name" },
+{ "STOR", STOR, STR1, 1,	"<sp> file-name" },
+{ "APPE", APPE, STR1, 1,	"<sp> file-name" },
+{ "MLFL", MLFL, OSTR, 0,	"(mail file)" },
+{ "MAIL", MAIL, OSTR, 0,	"(mail to user)" },
+{ "MSND", MSND, OSTR, 0,	"(mail send to terminal)" },
+{ "MSOM", MSOM, OSTR, 0,	"(mail send to terminal or mailbox)" },
+{ "MSAM", MSAM, OSTR, 0,	"(mail send to terminal and mailbox)" },
+{ "MRSQ", MRSQ, OSTR, 0,	"(mail recipient scheme question)" },
+{ "MRCP", MRCP, STR1, 0,	"(mail recipient)" },
+{ "ALLO", ALLO, ARGS, 1,	"allocate storage (vacuously)" },
+{ "REST", REST, ARGS, 1,	"<sp> offset (restart command)" },
+{ "RNFR", RNFR, STR1, 1,	"<sp> file-name" },
+{ "RNTO", RNTO, STR1, 1,	"<sp> file-name" },
+{ "ABOR", ABOR, ARGS, 1,	"(abort operation)" },
+{ "DELE", DELE, STR1, 1,	"<sp> file-name" },
+{ "CWD",  CWD,  OSTR, 1,	"[ <sp> directory-name ]" },
+{ "XCWD", CWD,	OSTR, 1,	"[ <sp> directory-name ]" },
+{ "LIST", LIST, OSTR, 1,	"[ <sp> path-name ]" },
+{ "NLST", NLST, OSTR, 1,	"[ <sp> path-name ]" },
+{ "SITE", SITE, SITECMD, 1,	"site-cmd [ <sp> arguments ]" },
+{ "SYST", SYST, ARGS, 1,	"(get type of operating system)" },
+{ "STAT", STAT, OSTR, 1,	"[ <sp> path-name ]" },
+{ "HELP", HELP, OSTR, 1,	"[ <sp> <string> ]" },
+{ "NOOP", NOOP, ARGS, 1,	"" },
+{ "MKD",  MKD,  STR1, 1,	"<sp> path-name" },
+{ "XMKD", MKD,  STR1, 1,	"<sp> path-name" },
+{ "RMD",  RMD,  STR1, 1,	"<sp> path-name" },
+{ "XRMD", RMD,  STR1, 1,	"<sp> path-name" },
+{ "PWD",  PWD,  ARGS, 1,	"(return current directory)" },
+{ "XPWD", PWD,  ARGS, 1,	"(return current directory)" },
+{ "CDUP", CDUP, ARGS, 1,	"(change to parent directory)" },
+{ "XCUP", CDUP, ARGS, 1,	"(change to parent directory)" },
+{ "STOU", STOU, STR1, 1,	"<sp> file-name" },
+{ "SIZE", SIZE, OSTR, 1,	"<sp> path-name" },
+{ "MDTM", MDTM, OSTR, 1,	"<sp> path-name" },
+{ NULL,   0,    0,    0,	0 }
+};
+
+extern struct tab sitetab[] = {
+{ "UMASK", UMASK, ARGS, 1,	"[ <sp> umask ]" },
+{ "IDLE", IDLE, ARGS, 1,	"[ <sp> maximum-idle-time ]" },
+{ "CHMOD", CHMOD, NSTR, 1,	"<sp> mode <sp> file-name" },
+{ "HELP", HELP, OSTR, 1,	"[ <sp> <string> ]" },
+{ NULL,   0,    0,    0,	0 }
+};
+
+
+
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+#line 113 "ftpcmd.y"
+typedef union YYSTYPE {
+	int	i;
+	char   *s;
+} YYSTYPE;
+/* Line 196 of yacc.c.  */
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
+
+/* Copy the second part of user declarations.  */
+
+
+/* Line 219 of yacc.c.  */
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
+
+#ifndef YY_
+# if YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(msgid) msgid
+# endif
+#endif
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   else
+#    define YYSTACK_ALLOC alloca
+#    if defined (__STDC__) || defined (__cplusplus)
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#     define YYINCLUDED_STDLIB_H
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's `empty if-body' warning. */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
+#  endif
+# else
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
+#  endif
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
+	&& (defined (__STDC__) || defined (__cplusplus)))
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
+	&& (defined (__STDC__) || defined (__cplusplus)))
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifdef __cplusplus
+}
+#  endif
+# endif
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+
+#if (! defined (yyoverflow) \
+     && (! defined (__cplusplus) \
+	 || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  short int yyss;
+  YYSTYPE yyvs;
+  };
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (short int) + sizeof (YYSTYPE))			\
+      + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined (__GNUC__) && 1 < __GNUC__
+#   define YYCOPY(To, From, Count) \
+      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+#  else
+#   define YYCOPY(To, From, Count)		\
+      do					\
+	{					\
+	  YYSIZE_T yyi;				\
+	  for (yyi = 0; yyi < (Count); yyi++)	\
+	    (To)[yyi] = (From)[yyi];		\
+	}					\
+      while (0)
+#  endif
+# endif
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   elements in the stack, and YYPTR gives the new location of the
+   stack.  Advance YYPTR to a properly aligned location for the next
+   stack.  */
+# define YYSTACK_RELOCATE(Stack)					\
+    do									\
+      {									\
+	YYSIZE_T yynewbytes;						\
+	YYCOPY (&yyptr->Stack, Stack, yysize);				\
+	Stack = &yyptr->Stack;						\
+	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+	yyptr += yynewbytes / sizeof (*yyptr);				\
+      }									\
+    while (0)
+
+#endif
+
+#if defined (__STDC__) || defined (__cplusplus)
+   typedef signed char yysigned_char;
+#else
+   typedef short int yysigned_char;
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL  2
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   206
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS  66
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS  16
+/* YYNRULES -- Number of rules. */
+#define YYNRULES  75
+/* YYNRULES -- Number of states. */
+#define YYNSTATES  216
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYUNDEFTOK  2
+#define YYMAXUTOK   320
+
+#define YYTRANSLATE(YYX)						\
+  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
+static const unsigned char yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
+      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
+      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
+      35,    36,    37,    38,    39,    40,    41,    42,    43,    44,
+      45,    46,    47,    48,    49,    50,    51,    52,    53,    54,
+      55,    56,    57,    58,    59,    60,    61,    62,    63,    64,
+      65
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+   YYRHS.  */
+static const unsigned short int yyprhs[] =
+{
+       0,     0,     3,     4,     7,    10,    15,    20,    26,    30,
+      36,    42,    48,    54,    64,    70,    76,    82,    86,    92,
+      96,   102,   108,   112,   118,   124,   128,   132,   138,   141,
+     146,   149,   155,   161,   165,   169,   174,   181,   187,   195,
+     205,   211,   219,   225,   229,   235,   241,   244,   247,   253,
+     259,   261,   262,   264,   266,   278,   280,   282,   284,   286,
+     290,   292,   296,   298,   300,   304,   307,   309,   311,   313,
+     315,   317,   319,   321,   323,   325
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yysigned_char yyrhs[] =
+{
+      67,     0,    -1,    -1,    67,    68,    -1,    67,    69,    -1,
+      18,    15,    70,    16,    -1,    19,    15,    71,    16,    -1,
+      23,    81,    15,    73,    16,    -1,    24,    81,    16,    -1,
+      25,    81,    15,    75,    16,    -1,    26,    81,    15,    76,
+      16,    -1,    27,    81,    15,    77,    16,    -1,    38,    81,
+      15,    65,    16,    -1,    38,    81,    15,    65,    15,    12,
+      15,    65,    16,    -1,    28,    81,    15,    78,    16,    -1,
+      29,    81,    15,    78,    16,    -1,    30,    81,    15,    78,
+      16,    -1,    46,    81,    16,    -1,    46,    81,    15,    64,
+      16,    -1,    45,    81,    16,    -1,    45,    81,    15,    78,
+      16,    -1,    48,    81,    15,    78,    16,    -1,    48,    81,
+      16,    -1,    43,    81,    15,    78,    16,    -1,    41,    81,
+      15,    78,    16,    -1,    42,    81,    16,    -1,    44,    81,
+      16,    -1,    44,    81,    15,    78,    16,    -1,    49,    16,
+      -1,    49,    15,    64,    16,    -1,    50,    16,    -1,    51,
+      81,    15,    78,    16,    -1,    52,    81,    15,    78,    16,
+      -1,    53,    81,    16,    -1,    54,    81,    16,    -1,    47,
+      15,    49,    16,    -1,    47,    15,    49,    15,    64,    16,
+      -1,    47,    15,    60,    81,    16,    -1,    47,    15,    60,
+      81,    15,    80,    16,    -1,    47,    15,    62,    81,    15,
+      80,    15,    78,    16,    -1,    47,    15,    81,    61,    16,
+      -1,    47,    15,    81,    61,    15,    65,    16,    -1,    55,
+      81,    15,    78,    16,    -1,    57,    81,    16,    -1,    58,
+      81,    15,    78,    16,    -1,    59,    81,    15,    78,    16,
+      -1,    22,    16,    -1,     1,    16,    -1,    40,    81,    15,
+      78,    16,    -1,    39,    81,    15,    72,    16,    -1,    64,
+      -1,    -1,    64,    -1,    65,    -1,    65,    17,    65,    17,
+      65,    17,    65,    17,    65,    17,    65,    -1,    10,    -1,
+      14,    -1,     5,    -1,     3,    -1,     3,    15,    74,    -1,
+       6,    -1,     6,    15,    74,    -1,     8,    -1,     9,    -1,
+       9,    15,    72,    -1,     9,    72,    -1,     7,    -1,    12,
+      -1,    11,    -1,    13,    -1,     4,    -1,     5,    -1,    79,
+      -1,    64,    -1,    65,    -1,    -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
+static const unsigned short int yyrline[] =
+{
+       0,   148,   148,   150,   155,   159,   164,   170,   199,   205,
+     239,   253,   267,   273,   279,   286,   293,   300,   305,   312,
+     317,   324,   331,   336,   343,   357,   362,   367,   374,   378,
+     396,   400,   407,   414,   419,   424,   428,   435,   445,   460,
+     474,   481,   497,   504,   530,   547,   569,   574,   580,   594,
+     607,   612,   615,   619,   623,   647,   651,   655,   662,   667,
+     672,   677,   682,   686,   691,   697,   705,   709,   713,   720,
+     724,   728,   735,   779,   783,   811
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+  "$end", "error", "$undefined", "A", "B", "C", "E", "F", "I", "L", "N",
+  "P", "R", "S", "T", "SP", "CRLF", "COMMA", "USER", "PASS", "ACCT",
+  "REIN", "QUIT", "PORT", "PASV", "TYPE", "STRU", "MODE", "RETR", "STOR",
+  "APPE", "MLFL", "MAIL", "MSND", "MSOM", "MSAM", "MRSQ", "MRCP", "ALLO",
+  "REST", "RNFR", "RNTO", "ABOR", "DELE", "CWD", "LIST", "NLST", "SITE",
+  "STAT", "HELP", "NOOP", "MKD", "RMD", "PWD", "CDUP", "STOU", "SMNT",
+  "SYST", "SIZE", "MDTM", "UMASK", "IDLE", "CHMOD", "LEXERR", "STRING",
+  "NUMBER", "$accept", "cmd_list", "cmd", "rcmd", "username", "password",
+  "byte_size", "host_port", "form_code", "type_code", "struct_code",
+  "mode_code", "pathname", "pathstring", "octal_number", "check_login", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+   token YYLEX-NUM.  */
+static const unsigned short int yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
+     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
+     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
+     285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
+     295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
+     305,   306,   307,   308,   309,   310,   311,   312,   313,   314,
+     315,   316,   317,   318,   319,   320
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const unsigned char yyr1[] =
+{
+       0,    66,    67,    67,    67,    68,    68,    68,    68,    68,
+      68,    68,    68,    68,    68,    68,    68,    68,    68,    68,
+      68,    68,    68,    68,    68,    68,    68,    68,    68,    68,
+      68,    68,    68,    68,    68,    68,    68,    68,    68,    68,
+      68,    68,    68,    68,    68,    68,    68,    68,    69,    69,
+      70,    71,    71,    72,    73,    74,    74,    74,    75,    75,
+      75,    75,    75,    75,    75,    75,    76,    76,    76,    77,
+      77,    77,    78,    79,    80,    81
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
+static const unsigned char yyr2[] =
+{
+       0,     2,     0,     2,     2,     4,     4,     5,     3,     5,
+       5,     5,     5,     9,     5,     5,     5,     3,     5,     3,
+       5,     5,     3,     5,     5,     3,     3,     5,     2,     4,
+       2,     5,     5,     3,     3,     4,     6,     5,     7,     9,
+       5,     7,     5,     3,     5,     5,     2,     2,     5,     5,
+       1,     0,     1,     1,    11,     1,     1,     1,     1,     3,
+       1,     3,     1,     1,     3,     2,     1,     1,     1,     1,
+       1,     1,     1,     1,     1,     0
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
+   means the default is an error.  */
+static const unsigned char yydefact[] =
+{
+       2,     0,     1,     0,     0,     0,     0,    75,    75,    75,
+      75,    75,    75,    75,    75,    75,    75,    75,    75,    75,
+      75,    75,    75,    75,     0,    75,     0,     0,    75,    75,
+      75,    75,    75,    75,    75,    75,     3,     4,    47,     0,
+      51,    46,     0,     0,     0,     0,     0,     0,     0,     0,
+       0,     0,     0,     0,     0,     0,     0,     0,     0,    75,
+       0,     0,    28,    30,     0,     0,     0,     0,     0,     0,
+       0,     0,    50,     0,    52,     0,     0,     8,     0,     0,
+       0,     0,     0,     0,     0,     0,     0,     0,    25,     0,
+       0,    26,     0,    19,     0,    17,     0,    75,    75,     0,
+       0,    22,     0,     0,     0,    33,    34,     0,    43,     0,
+       0,     5,     6,     0,     0,    58,    60,    62,    63,     0,
+      66,    68,    67,     0,    70,    71,    69,     0,    73,     0,
+      72,     0,     0,     0,    53,     0,     0,     0,     0,     0,
+       0,     0,     0,    35,     0,     0,     0,     0,    29,     0,
+       0,     0,     0,     0,     0,     7,     0,     0,     0,    65,
+       9,    10,    11,    14,    15,    16,     0,    12,    49,    48,
+      24,    23,    27,    20,    18,     0,     0,    37,     0,     0,
+      40,    21,    31,    32,    42,    44,    45,     0,    57,    55,
+      56,    59,    61,    64,     0,    36,    74,     0,     0,     0,
+       0,     0,    38,     0,    41,     0,     0,     0,     0,    13,
+      39,     0,     0,     0,     0,    54
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const short int yydefgoto[] =
+{
+      -1,     1,    36,    37,    73,    75,   135,   114,   191,   119,
+     123,   127,   129,   130,   197,    42
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+   STATE-NUM.  */
+#define YYPACT_NINF -102
+static const short int yypact[] =
+{
+    -102,    47,  -102,   -13,    -9,     1,     8,  -102,  -102,  -102,
+    -102,  -102,  -102,  -102,  -102,  -102,  -102,  -102,  -102,  -102,
+    -102,  -102,  -102,  -102,    11,  -102,    52,    29,  -102,  -102,
+    -102,  -102,  -102,  -102,  -102,  -102,  -102,  -102,  -102,    -4,
+      -2,  -102,    64,    65,    69,    88,   102,   105,   113,   114,
+     115,   116,   117,   118,   119,   121,    92,    94,    96,   -47,
+      98,    70,  -102,  -102,   122,   123,   124,   125,   127,   128,
+     130,   131,  -102,   132,  -102,   133,    74,  -102,    55,    71,
+       7,    79,    79,    79,    82,    85,    79,    79,  -102,    79,
+      79,  -102,    79,  -102,    87,  -102,   100,  -102,  -102,    91,
+      79,  -102,   137,    79,    79,  -102,  -102,    79,  -102,    79,
+      79,  -102,  -102,   138,   140,   139,   142,  -102,    -6,   143,
+    -102,  -102,  -102,   144,  -102,  -102,  -102,   145,  -102,   146,
+    -102,   147,   148,   107,  -102,   149,   150,   151,   152,   153,
+     154,   155,   108,  -102,   109,   158,   111,   159,  -102,   160,
+     161,   162,   163,   164,    93,  -102,     9,     9,    85,  -102,
+    -102,  -102,  -102,  -102,  -102,  -102,   169,  -102,  -102,  -102,
+    -102,  -102,  -102,  -102,  -102,   166,   120,  -102,   120,   126,
+    -102,  -102,  -102,  -102,  -102,  -102,  -102,   157,  -102,  -102,
+    -102,  -102,  -102,  -102,   168,  -102,  -102,   170,   172,   173,
+     129,   134,  -102,    79,  -102,   167,   174,   176,   135,  -102,
+    -102,   171,   136,   178,   141,  -102
+};
+
+/* YYPGOTO[NTERM-NUM].  */
+static const yysigned_char yypgoto[] =
+{
+    -102,  -102,  -102,  -102,  -102,  -102,  -101,  -102,    36,  -102,
+    -102,  -102,   -82,  -102,    18,    21
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
+   positive, shift that token.  If negative, reduce the rule which
+   number is the opposite.  If zero, do what YYDEFACT says.
+   If YYTABLE_NINF, syntax error.  */
+#define YYTABLE_NINF -1
+static const unsigned char yytable[] =
+{
+     131,   132,    96,    38,   136,   137,    39,   138,   139,   158,
+     140,   124,   125,    97,   188,    98,    40,   159,   147,   189,
+     126,   149,   150,   190,    41,   151,    59,   152,   153,    43,
+      44,    45,    46,    47,    48,    49,    50,    51,    52,    53,
+      54,    55,    56,    57,    58,    63,    60,     2,     3,    64,
+      65,    66,    67,    68,    69,    70,    71,   193,   115,   134,
+      72,   116,    74,   117,   118,     4,     5,    61,    62,     6,
+       7,     8,     9,    10,    11,    12,    13,    14,   120,    76,
+      99,    77,   121,   122,    78,    15,    16,    17,    18,    19,
+      20,    21,    22,    23,    24,    25,    26,    27,    28,    29,
+      30,    31,    32,    79,    33,    34,    35,    90,    91,    92,
+      93,    94,    95,   100,   101,   142,   143,    80,   144,   145,
+      81,   207,   166,   167,   176,   177,   179,   180,    82,    83,
+      84,    85,    86,    87,   102,    88,    89,   103,   104,   113,
+     105,   106,   107,   128,   108,   109,   110,   133,   111,   112,
+     134,   141,   146,   148,   156,   154,   155,   157,   187,   160,
+     161,   162,   163,   164,   165,   168,   169,   170,   171,   172,
+     173,   174,   175,   178,   200,   181,   182,   183,   184,   185,
+     186,   194,   195,   201,   208,   196,   202,   203,   212,   204,
+     209,   199,   210,   192,   205,   214,   198,     0,     0,   206,
+     211,   213,     0,     0,     0,     0,   215
+};
+
+static const short int yycheck[] =
+{
+      82,    83,    49,    16,    86,    87,    15,    89,    90,    15,
+      92,     4,     5,    60,     5,    62,    15,   118,   100,    10,
+      13,   103,   104,    14,    16,   107,    15,   109,   110,     8,
+       9,    10,    11,    12,    13,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    16,    25,     0,     1,    28,
+      29,    30,    31,    32,    33,    34,    35,   158,     3,    65,
+      64,     6,    64,     8,     9,    18,    19,    15,    16,    22,
+      23,    24,    25,    26,    27,    28,    29,    30,     7,    15,
+      59,    16,    11,    12,    15,    38,    39,    40,    41,    42,
+      43,    44,    45,    46,    47,    48,    49,    50,    51,    52,
+      53,    54,    55,    15,    57,    58,    59,    15,    16,    15,
+      16,    15,    16,    15,    16,    15,    16,    15,    97,    98,
+      15,   203,    15,    16,    15,    16,    15,    16,    15,    15,
+      15,    15,    15,    15,    64,    16,    15,    15,    15,    65,
+      16,    16,    15,    64,    16,    15,    15,    65,    16,    16,
+      65,    64,    61,    16,    15,    17,    16,    15,    65,    16,
+      16,    16,    16,    16,    16,    16,    16,    16,    16,    16,
+      16,    16,    64,    15,    17,    16,    16,    16,    16,    16,
+      16,    12,    16,    15,    17,    65,    16,    15,    17,    16,
+      16,    65,    16,   157,    65,    17,   178,    -1,    -1,    65,
+      65,    65,    -1,    -1,    -1,    -1,    65
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+   symbol of state STATE-NUM.  */
+static const unsigned char yystos[] =
+{
+       0,    67,     0,     1,    18,    19,    22,    23,    24,    25,
+      26,    27,    28,    29,    30,    38,    39,    40,    41,    42,
+      43,    44,    45,    46,    47,    48,    49,    50,    51,    52,
+      53,    54,    55,    57,    58,    59,    68,    69,    16,    15,
+      15,    16,    81,    81,    81,    81,    81,    81,    81,    81,
+      81,    81,    81,    81,    81,    81,    81,    81,    81,    15,
+      81,    15,    16,    16,    81,    81,    81,    81,    81,    81,
+      81,    81,    64,    70,    64,    71,    15,    16,    15,    15,
+      15,    15,    15,    15,    15,    15,    15,    15,    16,    15,
+      15,    16,    15,    16,    15,    16,    49,    60,    62,    81,
+      15,    16,    64,    15,    15,    16,    16,    15,    16,    15,
+      15,    16,    16,    65,    73,     3,     6,     8,     9,    75,
+       7,    11,    12,    76,     4,     5,    13,    77,    64,    78,
+      79,    78,    78,    65,    65,    72,    78,    78,    78,    78,
+      78,    64,    15,    16,    81,    81,    61,    78,    16,    78,
+      78,    78,    78,    78,    17,    16,    15,    15,    15,    72,
+      16,    16,    16,    16,    16,    16,    15,    16,    16,    16,
+      16,    16,    16,    16,    16,    64,    15,    16,    15,    15,
+      16,    16,    16,    16,    16,    16,    16,    65,     5,    10,
+      14,    74,    74,    72,    12,    16,    65,    80,    80,    65,
+      17,    15,    16,    15,    16,    65,    65,    78,    17,    16,
+      16,    65,    17,    65,    17,    65
+};
+
+#define yyerrok		(yyerrstatus = 0)
+#define yyclearin	(yychar = YYEMPTY)
+#define YYEMPTY		(-2)
+#define YYEOF		0
+
+#define YYACCEPT	goto yyacceptlab
+#define YYABORT		goto yyabortlab
+#define YYERROR		goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror.  This remains here temporarily
+   to ease the transition to the new meaning of YYERROR, for GCC.
+   Once GCC version 2 has supplanted version 1, this can go.  */
+
+#define YYFAIL		goto yyerrlab
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)					\
+do								\
+  if (yychar == YYEMPTY && yylen == 1)				\
+    {								\
+      yychar = (Token);						\
+      yylval = (Value);						\
+      yytoken = YYTRANSLATE (yychar);				\
+      YYPOPSTACK;						\
+      goto yybackup;						\
+    }								\
+  else								\
+    {								\
+      yyerror (YY_("syntax error: cannot back up")); \
+      YYERROR;							\
+    }								\
+while (0)
+
+
+#define YYTERROR	1
+#define YYERRCODE	256
+
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)				\
+    do									\
+      if (N)								\
+	{								\
+	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
+	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
+	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
+	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
+	}								\
+      else								\
+	{								\
+	  (Current).first_line   = (Current).last_line   =		\
+	    YYRHSLOC (Rhs, 0).last_line;				\
+	  (Current).first_column = (Current).last_column =		\
+	    YYRHSLOC (Rhs, 0).last_column;				\
+	}								\
+    while (0)
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+#  define YY_LOCATION_PRINT(File, Loc)			\
+     fprintf (File, "%d.%d-%d.%d",			\
+              (Loc).first_line, (Loc).first_column,	\
+              (Loc).last_line,  (Loc).last_column)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments.  */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (YYLEX_PARAM)
+#else
+# define YYLEX yylex ()
+#endif
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)			\
+do {						\
+  if (yydebug)					\
+    YYFPRINTF Args;				\
+} while (0)
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)		\
+do {								\
+  if (yydebug)							\
+    {								\
+      YYFPRINTF (stderr, "%s ", Title);				\
+      yysymprint (stderr,					\
+                  Type, Value);	\
+      YYFPRINTF (stderr, "\n");					\
+    }								\
+} while (0)
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_stack_print (short int *bottom, short int *top)
+#else
+static void
+yy_stack_print (bottom, top)
+    short int *bottom;
+    short int *top;
+#endif
+{
+  YYFPRINTF (stderr, "Stack now");
+  for (/* Nothing. */; bottom <= top; ++bottom)
+    YYFPRINTF (stderr, " %d", *bottom);
+  YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top)				\
+do {								\
+  if (yydebug)							\
+    yy_stack_print ((Bottom), (Top));				\
+} while (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_reduce_print (int yyrule)
+#else
+static void
+yy_reduce_print (yyrule)
+    int yyrule;
+#endif
+{
+  int yyi;
+  unsigned long int yylno = yyrline[yyrule];
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu), ",
+             yyrule - 1, yylno);
+  /* Print the symbols being reduced, and their result.  */
+  for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
+    YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
+  YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]);
+}
+
+# define YY_REDUCE_PRINT(Rule)		\
+do {					\
+  if (yydebug)				\
+    yy_reduce_print (Rule);		\
+} while (0)
+
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
+#ifndef	YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+#  if defined (__GLIBC__) && defined (_STRING_H)
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+static YYSIZE_T
+#   if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+#   else
+yystrlen (yystr)
+     const char *yystr;
+#   endif
+{
+  const char *yys = yystr;
+
+  while (*yys++ != '\0')
+    continue;
+
+  return yys - yystr - 1;
+}
+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+static char *
+#   if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+#   else
+yystpcpy (yydest, yysrc)
+     char *yydest;
+     const char *yysrc;
+#   endif
+{
+  char *yyd = yydest;
+  const char *yys = yysrc;
+
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
+
+  return yyd - 1;
+}
+#  endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+   quotes and backslashes, so that it's suitable for yyerror.  The
+   heuristic is that double-quoting is unnecessary unless the string
+   contains an apostrophe, a comma, or backslash (other than
+   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
+   null, do not copy; instead, return the length of what the result
+   would have been.  */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+  if (*yystr == '"')
+    {
+      size_t yyn = 0;
+      char const *yyp = yystr;
+
+      for (;;)
+	switch (*++yyp)
+	  {
+	  case '\'':
+	  case ',':
+	    goto do_not_strip_quotes;
+
+	  case '\\':
+	    if (*++yyp != '\\')
+	      goto do_not_strip_quotes;
+	    /* Fall through.  */
+	  default:
+	    if (yyres)
+	      yyres[yyn] = *yyp;
+	    yyn++;
+	    break;
+
+	  case '"':
+	    if (yyres)
+	      yyres[yyn] = '\0';
+	    return yyn;
+	  }
+    do_not_strip_quotes: ;
+    }
+
+  if (! yyres)
+    return yystrlen (yystr);
+
+  return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+#endif /* YYERROR_VERBOSE */
+
+
+
+#if YYDEBUG
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
+#else
+static void
+yysymprint (yyoutput, yytype, yyvaluep)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE *yyvaluep;
+#endif
+{
+  /* Pacify ``unused variable'' warnings.  */
+  (void) yyvaluep;
+
+  if (yytype < YYNTOKENS)
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+  else
+    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
+  switch (yytype)
+    {
+      default:
+        break;
+    }
+  YYFPRINTF (yyoutput, ")");
+}
+
+#endif /* ! YYDEBUG */
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep)
+    const char *yymsg;
+    int yytype;
+    YYSTYPE *yyvaluep;
+#endif
+{
+  /* Pacify ``unused variable'' warnings.  */
+  (void) yyvaluep;
+
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+  switch (yytype)
+    {
+
+      default:
+        break;
+    }
+}
+
+
+/* Prevent warnings from -Wmissing-prototypes.  */
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void *YYPARSE_PARAM);
+# else
+int yyparse ();
+# endif
+#else /* ! YYPARSE_PARAM */
+#if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+/* The look-ahead symbol.  */
+int yychar;
+
+/* The semantic value of the look-ahead symbol.  */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far.  */
+int yynerrs;
+
+
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void *YYPARSE_PARAM)
+# else
+int yyparse (YYPARSE_PARAM)
+  void *YYPARSE_PARAM;
+# endif
+#else /* ! YYPARSE_PARAM */
+#if defined (__STDC__) || defined (__cplusplus)
+int
+yyparse (void)
+#else
+int
+yyparse ()
+    ;
+#endif
+#endif
+{
+  
+  int yystate;
+  int yyn;
+  int yyresult;
+  /* Number of tokens to shift before error messages enabled.  */
+  int yyerrstatus;
+  /* Look-ahead token as an internal (translated) token number.  */
+  int yytoken = 0;
+
+  /* Three stacks and their tools:
+     `yyss': related to states,
+     `yyvs': related to semantic values,
+     `yyls': related to locations.
+
+     Refer to the stacks thru separate pointers, to allow yyoverflow
+     to reallocate them elsewhere.  */
+
+  /* The state stack.  */
+  short int yyssa[YYINITDEPTH];
+  short int *yyss = yyssa;
+  short int *yyssp;
+
+  /* The semantic value stack.  */
+  YYSTYPE yyvsa[YYINITDEPTH];
+  YYSTYPE *yyvs = yyvsa;
+  YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK   (yyvsp--, yyssp--)
+
+  YYSIZE_T yystacksize = YYINITDEPTH;
+
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+  /* When reducing, the number of symbols on the RHS of the reduced
+     rule.  */
+  int yylen;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  yystate = 0;
+  yyerrstatus = 0;
+  yynerrs = 0;
+  yychar = YYEMPTY;		/* Cause a token to be read.  */
+
+  /* Initialize stack pointers.
+     Waste one element of value and location stack
+     so that they stay on the same level as the state stack.
+     The wasted elements are never initialized.  */
+
+  yyssp = yyss;
+  yyvsp = yyvs;
+
+  goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed. so pushing a state here evens the stacks.
+     */
+  yyssp++;
+
+ yysetstate:
+  *yyssp = yystate;
+
+  if (yyss + yystacksize - 1 <= yyssp)
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+      {
+	/* Give user a chance to reallocate the stack. Use copies of
+	   these so that the &'s don't force the real ones into
+	   memory.  */
+	YYSTYPE *yyvs1 = yyvs;
+	short int *yyss1 = yyss;
+
+
+	/* Each stack pointer address is followed by the size of the
+	   data in use in that stack, in bytes.  This used to be a
+	   conditional around just the two extra args, but that might
+	   be undefined if yyoverflow is a macro.  */
+	yyoverflow (YY_("memory exhausted"),
+		    &yyss1, yysize * sizeof (*yyssp),
+		    &yyvs1, yysize * sizeof (*yyvsp),
+
+		    &yystacksize);
+
+	yyss = yyss1;
+	yyvs = yyvs1;
+      }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+      goto yyexhaustedlab;
+# else
+      /* Extend the stack our own way.  */
+      if (YYMAXDEPTH <= yystacksize)
+	goto yyexhaustedlab;
+      yystacksize *= 2;
+      if (YYMAXDEPTH < yystacksize)
+	yystacksize = YYMAXDEPTH;
+
+      {
+	short int *yyss1 = yyss;
+	union yyalloc *yyptr =
+	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+	if (! yyptr)
+	  goto yyexhaustedlab;
+	YYSTACK_RELOCATE (yyss);
+	YYSTACK_RELOCATE (yyvs);
+
+#  undef YYSTACK_RELOCATE
+	if (yyss1 != yyssa)
+	  YYSTACK_FREE (yyss1);
+      }
+# endif
+#endif /* no yyoverflow */
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+		  (unsigned long int) yystacksize));
+
+      if (yyss + yystacksize - 1 <= yyssp)
+	YYABORT;
+    }
+
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+  goto yybackup;
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
+
+/* Do appropriate processing given the current state.  */
+/* Read a look-ahead token if we need one and don't already have one.  */
+/* yyresume: */
+
+  /* First try to decide what to do without reference to look-ahead token.  */
+
+  yyn = yypact[yystate];
+  if (yyn == YYPACT_NINF)
+    goto yydefault;
+
+  /* Not known => get a look-ahead token if don't already have one.  */
+
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token: "));
+      yychar = YYLEX;
+    }
+
+  if (yychar <= YYEOF)
+    {
+      yychar = yytoken = YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else
+    {
+      yytoken = YYTRANSLATE (yychar);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+    }
+
+  /* If the proper action on seeing token YYTOKEN is to reduce or to
+     detect an error, take that action.  */
+  yyn += yytoken;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+    goto yydefault;
+  yyn = yytable[yyn];
+  if (yyn <= 0)
+    {
+      if (yyn == 0 || yyn == YYTABLE_NINF)
+	goto yyerrlab;
+      yyn = -yyn;
+      goto yyreduce;
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  /* Shift the look-ahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+  /* Discard the token being shifted unless it is eof.  */
+  if (yychar != YYEOF)
+    yychar = YYEMPTY;
+
+  *++yyvsp = yylval;
+
+
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
+  yyn = yydefact[yystate];
+  if (yyn == 0)
+    goto yyerrlab;
+  goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/
+yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
+  yylen = yyr2[yyn];
+
+  /* If YYLEN is nonzero, implement the default value of the action:
+     `$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+
+  YY_REDUCE_PRINT (yyn);
+  switch (yyn)
+    {
+        case 3:
+#line 151 "ftpcmd.y"
+    {
+			fromname = (char *) 0;
+			restart_point = (off_t) 0;
+		}
+    break;
+
+  case 5:
+#line 160 "ftpcmd.y"
+    {
+			user((yyvsp[-1].s));
+			free((yyvsp[-1].s));
+		}
+    break;
+
+  case 6:
+#line 165 "ftpcmd.y"
+    {
+			pass((yyvsp[-1].s));
+			memset((yyvsp[-1].s), 0, strlen((yyvsp[-1].s)));
+			free((yyvsp[-1].s));
+		}
+    break;
+
+  case 7:
+#line 171 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+				if ((yyvsp[-1].i)) {
+					usedefault = 1;
+					reply(500,	
+					    "Illegal PORT rejected (range errors).");
+				} else if (portcheck &&
+				    /*ntohs(*/data_dest.sin_port/*)*/ < IPPORT_RESERVED) {
+					usedefault = 1;
+					reply(500,
+					    "Illegal PORT rejected (reserved port).");
+				} else if (portcheck &&
+				    memcmp(&data_dest.sin_addr,
+				    &his_addr.sin_addr,
+				    sizeof data_dest.sin_addr)) {
+					usedefault = 1;
+					reply(500,
+					    "Illegal PORT rejected (address wrong).");
+				} else {
+					usedefault = 0;
+					if (pdata >= 0) {
+						(void) close(pdata);
+						pdata = -1;
+					}
+					reply(200, "PORT command successful.");
+				}
+			}
+		}
+    break;
+
+  case 8:
+#line 200 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i)) {
+				passive();
+			}
+		}
+    break;
+
+  case 9:
+#line 206 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+				switch (cmd_type) {
+
+				case TYPE_A:
+					if (cmd_form == FORM_N) {
+						reply(200, "Type set to A.");
+						type = cmd_type;
+						form = cmd_form;
+					} else
+						reply(504, "Form must be N.");
+					break;
+
+				case TYPE_E:
+					reply(504, "Type E not implemented.");
+					break;
+	
+				case TYPE_I:
+					reply(200, "Type set to I.");
+					type = cmd_type;
+					break;
+
+				case TYPE_L:
+					if (cmd_bytesz == 8) {
+					       reply(200,
+					       "Type set to L (byte size 8).");
+					       type = cmd_type;
+					} else
+					    reply(504, "Byte size must be 8.");
+
+				}
+			}
+		}
+    break;
+
+  case 10:
+#line 240 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+				switch ((yyvsp[-1].i)) {
+
+				case STRU_F:
+					reply(200, "STRU F ok.");
+					break;
+
+				default:
+					reply(504, "Unimplemented STRU type.");
+				}
+			}
+		}
+    break;
+
+  case 11:
+#line 254 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+				switch ((yyvsp[-1].i)) {
+
+				case MODE_S:
+					reply(200, "MODE S ok.");
+					break;
+
+				default:
+					reply(502, "Unimplemented MODE type.");
+				}
+			}
+		}
+    break;
+
+  case 12:
+#line 268 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+				reply(202, "ALLO command ignored.");
+			}
+		}
+    break;
+
+  case 13:
+#line 274 "ftpcmd.y"
+    {
+			if ((yyvsp[-7].i)) {
+				reply(202, "ALLO command ignored.");
+			}
+		}
+    break;
+
+  case 14:
+#line 280 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				retrieve((char *) 0, (yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 15:
+#line 287 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				store((yyvsp[-1].s), "w", 0);
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 16:
+#line 294 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				store((yyvsp[-1].s), "a", 0);
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 17:
+#line 301 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+				send_file_list(".",1);
+		}
+    break;
+
+  case 18:
+#line 306 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				send_file_list((yyvsp[-1].s),1);
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 19:
+#line 313 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+				send_file_list(".",0);
+				//retrieve("/bin/ls -lgA", "");
+		}
+    break;
+
+  case 20:
+#line 318 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				send_file_list((yyvsp[-1].s),0);
+				//retrieve("/bin/ls -lgA %s", (yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 21:
+#line 325 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				statfilecmd((yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 22:
+#line 332 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+				statcmd();
+		}
+    break;
+
+  case 23:
+#line 337 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				dele((yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 24:
+#line 344 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+				if (fromname) {
+					renamecmd(fromname, (yyvsp[-1].s));
+					free(fromname);
+					fromname = (char *) 0;
+				} else {
+					reply(503, 
+					  "Bad sequence of commands.");
+				}
+			}
+			free((yyvsp[-1].s));
+		}
+    break;
+
+  case 25:
+#line 358 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i)) 
+				reply(225, "ABOR command successful.");
+		}
+    break;
+
+  case 26:
+#line 363 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+				cwd(pw->pw_dir);
+		}
+    break;
+
+  case 27:
+#line 368 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				cwd((yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 28:
+#line 375 "ftpcmd.y"
+    {
+			help(cmdtab, (char *) 0);
+		}
+    break;
+
+  case 29:
+#line 379 "ftpcmd.y"
+    {
+			char *cp = (yyvsp[-1].s);
+
+			if (strncasecmp(cp, "SITE", 4) == 0) {
+				cp = (yyvsp[-1].s) + 4;
+				if (*cp == ' ')
+					cp++;
+				if (*cp)
+					help(sitetab, cp);
+				else
+					help(sitetab, (char *) 0);
+			}
+			else
+				help(cmdtab, (yyvsp[-1].s));
+
+			if ((yyvsp[-1].s) != NULL)
+				free ((yyvsp[-1].s));
+		}
+    break;
+
+  case 30:
+#line 397 "ftpcmd.y"
+    {
+			reply(200, "NOOP command successful.");
+		}
+    break;
+
+  case 31:
+#line 401 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				makedir((yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 32:
+#line 408 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				removedir((yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 33:
+#line 415 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+				pwd();
+		}
+    break;
+
+  case 34:
+#line 420 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+				cwd("..");
+		}
+    break;
+
+  case 35:
+#line 425 "ftpcmd.y"
+    {
+			help(sitetab, (char *) 0);
+		}
+    break;
+
+  case 36:
+#line 429 "ftpcmd.y"
+    {
+			help(sitetab, (yyvsp[-1].s));
+
+			if ((yyvsp[-1].s) != NULL)
+				free ((yyvsp[-1].s));
+		}
+    break;
+
+  case 37:
+#line 436 "ftpcmd.y"
+    {
+			int oldmask;
+
+			if ((yyvsp[-1].i)) {
+				oldmask = umask(0);
+				(void) umask(oldmask);
+				reply(200, "Current UMASK is %03o", oldmask);
+			}
+		}
+    break;
+
+  case 38:
+#line 446 "ftpcmd.y"
+    {
+			int oldmask;
+
+			if ((yyvsp[-3].i)) {
+				if (((yyvsp[-1].i) == -1) || ((yyvsp[-1].i) > 0777)) {
+					reply(501, "Bad UMASK value");
+				} else {
+					oldmask = umask((yyvsp[-1].i));
+					reply(200,
+					    "UMASK set to %03o (was %03o)",
+					    (yyvsp[-1].i), oldmask);
+				}
+			}
+		}
+    break;
+
+  case 39:
+#line 461 "ftpcmd.y"
+    {
+			if ((yyvsp[-5].i) && ((yyvsp[-1].s) != NULL)) {
+				if ((yyvsp[-3].i) > 0777)
+					reply(501,
+				"CHMOD: Mode value must be between 0 and 0777");
+				else if (chmod((yyvsp[-1].s), (yyvsp[-3].i)) < 0)
+					perror_reply(550, (yyvsp[-1].s));
+				else
+					reply(200, "CHMOD command successful.");
+			}
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 40:
+#line 475 "ftpcmd.y"
+    {
+			if ((yyvsp[-2].i))
+			  reply(200,
+	       		    "Current IDLE time limit is %d seconds; max %d",
+				timeout, maxtimeout);
+		}
+    break;
+
+  case 41:
+#line 482 "ftpcmd.y"
+    {
+			if ((yyvsp[-4].i)) {
+				if ((yyvsp[-1].i) < 30 || (yyvsp[-1].i) > maxtimeout) {
+				reply(501,
+	       		 "Maximum IDLE time must be between 30 and %d seconds",
+				    maxtimeout);
+				} else {
+					timeout = (yyvsp[-1].i);
+					//(void) alarm((unsigned) timeout);
+					reply(200,
+					 "Maximum IDLE time set to %d seconds",
+					    timeout);
+				}
+			}
+		}
+    break;
+
+  case 42:
+#line 498 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				store((yyvsp[-1].s), "w", 1);
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 43:
+#line 505 "ftpcmd.y"
+    {
+			if ((yyvsp[-1].i))
+#ifdef __linux__
+			reply(215, "UNIX Type: L%d (Linux)", CHAR_BIT);
+#else
+#ifdef unix
+#ifdef BSD
+			reply(215, "UNIX Type: L%d Version: BSD-%d",
+				CHAR_BIT, BSD);
+#else /* BSD */
+			reply(215, "UNIX Type: L%d", CHAR_BIT);
+#endif /* BSD */
+#else /* unix */
+#ifdef __SYMBIAN32__		
+			reply(215, "UNIX Type: L%d", CHAR_BIT);
+#else
+			reply(215, "UNKNOWN Type: L%d", CHAR_BIT);
+#endif /* __SYMBIAN32__ */			
+#endif /* unix */
+#endif /* __linux__ */
+		}
+    break;
+
+  case 44:
+#line 531 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL)
+				sizecmd((yyvsp[-1].s));
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 45:
+#line 548 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i) && (yyvsp[-1].s) != NULL) {
+				struct stat stbuf;
+				if (stat((yyvsp[-1].s), &stbuf) < 0)
+					reply(550, "%s: %s",
+					    (yyvsp[-1].s), strerror(errno));
+				else if (!S_ISREG(stbuf.st_mode)) {
+					reply(550, "%s: not a plain file.", (yyvsp[-1].s));
+				} else {
+					struct tm *t;
+					t = gmtime(&stbuf.st_mtime);
+					reply(213,
+					    "%04d%02d%02d%02d%02d%02d",
+					    TM_YEAR_BASE + t->tm_year,
+					    t->tm_mon+1, t->tm_mday,
+					    t->tm_hour, t->tm_min, t->tm_sec);
+				}
+			}
+			if ((yyvsp[-1].s) != NULL)
+				free((yyvsp[-1].s));
+		}
+    break;
+
+  case 46:
+#line 570 "ftpcmd.y"
+    {
+			reply(221, "Goodbye.");
+			dologout(0);
+		}
+    break;
+
+  case 47:
+#line 575 "ftpcmd.y"
+    {
+			yyerrok;
+		}
+    break;
+
+  case 48:
+#line 581 "ftpcmd.y"
+    {
+			restart_point = (off_t) 0;
+			if ((yyvsp[-3].i) && (yyvsp[-1].s)) {
+				fromname = renamefrom((yyvsp[-1].s));
+				if (fromname == (char *) 0 && (yyvsp[-1].s)) {
+					free((yyvsp[-1].s));
+				}
+			} else {
+				if ((yyvsp[-1].s))
+					free ((yyvsp[-1].s));
+			}
+		}
+    break;
+
+  case 49:
+#line 595 "ftpcmd.y"
+    {
+			if ((yyvsp[-3].i)) {
+			    fromname = (char *) 0;
+			    restart_point = (yyvsp[-1].i);	/* XXX $4 is only "int" */
+			    reply(350, "Restarting at %qd. %s", 
+			       (quad_t) restart_point,
+			       "Send STORE or RETRIEVE to initiate transfer.");
+			}
+		}
+    break;
+
+  case 51:
+#line 612 "ftpcmd.y"
+    {
+			(yyval.s) = (char *)calloc(1, sizeof(char));
+		}
+    break;
+
+  case 54:
+#line 625 "ftpcmd.y"
+    {
+			char *a, *p;
+
+			if ((yyvsp[-10].i) < 0 || (yyvsp[-10].i) > 255 || (yyvsp[-8].i) < 0 || (yyvsp[-8].i) > 255 ||
+			    (yyvsp[-6].i) < 0 || (yyvsp[-6].i) > 255 || (yyvsp[-4].i) < 0 || (yyvsp[-4].i) > 255 ||
+			    (yyvsp[-2].i) < 0 || (yyvsp[-2].i) > 255 || (yyvsp[0].i) < 0 || (yyvsp[0].i) > 255) {
+				(yyval.i) = 1;
+			} else {
+//#ifndef __linux__
+//				data_dest.sin_len = sizeof(struct sockaddr_in);
+//#endif
+				data_dest.sin_family = AF_INET;
+				p = (char *)&data_dest.sin_port;
+				p[0] = (yyvsp[-2].i); p[1] = (yyvsp[0].i);
+				a = (char *)&data_dest.sin_addr;
+				a[0] = (yyvsp[-10].i); a[1] = (yyvsp[-8].i); a[2] = (yyvsp[-6].i); a[3] = (yyvsp[-4].i);
+				(yyval.i) = 0;
+			}
+		}
+    break;
+
+  case 55:
+#line 648 "ftpcmd.y"
+    {
+			(yyval.i) = FORM_N;
+		}
+    break;
+
+  case 56:
+#line 652 "ftpcmd.y"
+    {
+			(yyval.i) = FORM_T;
+		}
+    break;
+
+  case 57:
+#line 656 "ftpcmd.y"
+    {
+			(yyval.i) = FORM_C;
+		}
+    break;
+
+  case 58:
+#line 663 "ftpcmd.y"
+    {
+			cmd_type = TYPE_A;
+			cmd_form = FORM_N;
+		}
+    break;
+
+  case 59:
+#line 668 "ftpcmd.y"
+    {
+			cmd_type = TYPE_A;
+			cmd_form = (yyvsp[0].i);
+		}
+    break;
+
+  case 60:
+#line 673 "ftpcmd.y"
+    {
+			cmd_type = TYPE_E;
+			cmd_form = FORM_N;
+		}
+    break;
+
+  case 61:
+#line 678 "ftpcmd.y"
+    {
+			cmd_type = TYPE_E;
+			cmd_form = (yyvsp[0].i);
+		}
+    break;
+
+  case 62:
+#line 683 "ftpcmd.y"
+    {
+			cmd_type = TYPE_I;
+		}
+    break;
+
+  case 63:
+#line 687 "ftpcmd.y"
+    {
+			cmd_type = TYPE_L;
+			cmd_bytesz = CHAR_BIT;
+		}
+    break;
+
+  case 64:
+#line 692 "ftpcmd.y"
+    {
+			cmd_type = TYPE_L;
+			cmd_bytesz = (yyvsp[0].i);
+		}
+    break;
+
+  case 65:
+#line 698 "ftpcmd.y"
+    {
+			cmd_type = TYPE_L;
+			cmd_bytesz = (yyvsp[0].i);
+		}
+    break;
+
+  case 66:
+#line 706 "ftpcmd.y"
+    {
+			(yyval.i) = STRU_F;
+		}
+    break;
+
+  case 67:
+#line 710 "ftpcmd.y"
+    {
+			(yyval.i) = STRU_R;
+		}
+    break;
+
+  case 68:
+#line 714 "ftpcmd.y"
+    {
+			(yyval.i) = STRU_P;
+		}
+    break;
+
+  case 69:
+#line 721 "ftpcmd.y"
+    {
+			(yyval.i) = MODE_S;
+		}
+    break;
+
+  case 70:
+#line 725 "ftpcmd.y"
+    {
+			(yyval.i) = MODE_B;
+		}
+    break;
+
+  case 71:
+#line 729 "ftpcmd.y"
+    {
+			(yyval.i) = MODE_C;
+		}
+    break;
+
+  case 72:
+#line 736 "ftpcmd.y"
+    {
+			/*
+			 * Problem: this production is used for all pathname
+			 * processing, but only gives a 550 error reply.
+			 * This is a valid reply in some cases but not in others.
+			 */
+			if (logged_in && (yyvsp[0].s) && strchr((yyvsp[0].s), '~') != NULL) {
+				glob_t gl;
+#ifdef __linux__
+				/* see popen.c */
+				int flags = GLOB_NOCHECK;
+#else
+				int flags =
+				 GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
+#endif
+				char *pptr = (yyvsp[0].s);
+
+				/*
+				 * glob() will only find a leading ~, but
+				 * Netscape kindly puts a slash in front of
+				 * it for publish URLs.  There needs to be
+				 * a flag for glob() that expands tildes
+				 * anywhere in the string.
+				 */
+				if ((pptr[0] == '/') && (pptr[1] == '~'))
+					pptr++;
+
+				memset(&gl, 0, sizeof(gl));
+				if (glob(pptr, flags, NULL, &gl) ||
+				    gl.gl_pathc == 0) {
+					reply(550, "not found");
+					(yyval.s) = NULL;
+				} else {
+					(yyval.s) = strdup(gl.gl_pathv[0]);
+				}
+				globfree(&gl);
+				free((yyvsp[0].s));
+			} else
+				(yyval.s) = (yyvsp[0].s);
+		}
+    break;
+
+  case 74:
+#line 784 "ftpcmd.y"
+    {
+			int ret, dec, multby, digit;
+
+			/*
+			 * Convert a number that was read as decimal number
+			 * to what it would be if it had been read as octal.
+			 */
+			dec = (yyvsp[0].i);
+			multby = 1;
+			ret = 0;
+			while (dec) {
+				digit = dec%10;
+				if (digit > 7) {
+					ret = -1;
+					break;
+				}
+				ret += digit * multby;
+				multby *= 8;
+				dec /= 10;
+			}
+			(yyval.i) = ret;
+		}
+    break;
+
+  case 75:
+#line 811 "ftpcmd.y"
+    {
+			if (logged_in)
+				(yyval.i) = 1;
+			else {
+				reply(530, "Please login with USER and PASS.");
+				(yyval.i) = 0;
+			}
+		}
+    break;
+
+
+      default: break;
+    }
+
+/* Line 1126 of yacc.c.  */
+
+  yyvsp -= yylen;
+  yyssp -= yylen;
+
+
+  YY_STACK_PRINT (yyss, yyssp);
+
+  *++yyvsp = yyval;
+
+
+  /* Now `shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */
+
+  yyn = yyr1[yyn];
+
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+    yystate = yytable[yystate];
+  else
+    yystate = yydefgoto[yyn - YYNTOKENS];
+
+  goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+#if YYERROR_VERBOSE
+      yyn = yypact[yystate];
+
+      if (YYPACT_NINF < yyn && yyn < YYLAST)
+	{
+	  int yytype = YYTRANSLATE (yychar);
+	  YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+	  YYSIZE_T yysize = yysize0;
+	  YYSIZE_T yysize1;
+	  int yysize_overflow = 0;
+	  char *yymsg = 0;
+#	  define YYERROR_VERBOSE_ARGS_MAXIMUM 5
+	  char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+	  int yyx;
+
+#if 0
+	  /* This is so xgettext sees the translatable formats that are
+	     constructed on the fly.  */
+	  YY_("syntax error, unexpected %s");
+	  YY_("syntax error, unexpected %s, expecting %s");
+	  YY_("syntax error, unexpected %s, expecting %s or %s");
+	  YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+	  YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+#endif
+	  char *yyfmt;
+	  char const *yyf;
+	  static char const yyunexpected[] = "syntax error, unexpected %s";
+	  static char const yyexpecting[] = ", expecting %s";
+	  static char const yyor[] = " or %s";
+	  char yyformat[sizeof yyunexpected
+			+ sizeof yyexpecting - 1
+			+ ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+			   * (sizeof yyor - 1))];
+	  char const *yyprefix = yyexpecting;
+
+	  /* Start YYX at -YYN if negative to avoid negative indexes in
+	     YYCHECK.  */
+	  int yyxbegin = yyn < 0 ? -yyn : 0;
+
+	  /* Stay within bounds of both yycheck and yytname.  */
+	  int yychecklim = YYLAST - yyn;
+	  int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+	  int yycount = 1;
+
+	  yyarg[0] = yytname[yytype];
+	  yyfmt = yystpcpy (yyformat, yyunexpected);
+
+	  for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+	    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+	      {
+		if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+		  {
+		    yycount = 1;
+		    yysize = yysize0;
+		    yyformat[sizeof yyunexpected - 1] = '\0';
+		    break;
+		  }
+		yyarg[yycount++] = yytname[yyx];
+		yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+		yysize_overflow |= yysize1 < yysize;
+		yysize = yysize1;
+		yyfmt = yystpcpy (yyfmt, yyprefix);
+		yyprefix = yyor;
+	      }
+
+	  yyf = YY_(yyformat);
+	  yysize1 = yysize + yystrlen (yyf);
+	  yysize_overflow |= yysize1 < yysize;
+	  yysize = yysize1;
+
+	  if (!yysize_overflow && yysize <= YYSTACK_ALLOC_MAXIMUM)
+	    yymsg = (char *) YYSTACK_ALLOC (yysize);
+	  if (yymsg)
+	    {
+	      /* Avoid sprintf, as that infringes on the user's name space.
+		 Don't have undefined behavior even if the translation
+		 produced a string with the wrong number of "%s"s.  */
+	      char *yyp = yymsg;
+	      int yyi = 0;
+	      while ((*yyp = *yyf))
+		{
+		  if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+		    {
+		      yyp += yytnamerr (yyp, yyarg[yyi++]);
+		      yyf += 2;
+		    }
+		  else
+		    {
+		      yyp++;
+		      yyf++;
+		    }
+		}
+	      yyerror (yymsg);
+	      YYSTACK_FREE (yymsg);
+	    }
+	  else
+	    {
+	      yyerror (YY_("syntax error"));
+	      goto yyexhaustedlab;
+	    }
+	}
+      else
+#endif /* YYERROR_VERBOSE */
+	yyerror (YY_("syntax error"));
+    }
+
+
+
+  if (yyerrstatus == 3)
+    {
+      /* If just tried and failed to reuse look-ahead token after an
+	 error, discard it.  */
+
+      if (yychar <= YYEOF)
+        {
+	  /* Return failure if at end of input.  */
+	  if (yychar == YYEOF)
+	    YYABORT;
+        }
+      else
+	{
+	  yydestruct ("Error: discarding", yytoken, &yylval);
+	  yychar = YYEMPTY;
+	}
+    }
+
+  /* Else will try to reuse look-ahead token after shifting the error
+     token.  */
+  goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */
+  if (0)
+     goto yyerrorlab;
+
+yyvsp -= yylen;
+  yyssp -= yylen;
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
+yyerrlab1:
+  yyerrstatus = 3;	/* Each real token shifted decrements this.  */
+
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (yyn != YYPACT_NINF)
+	{
+	  yyn += YYTERROR;
+	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+	    {
+	      yyn = yytable[yyn];
+	      if (0 < yyn)
+		break;
+	    }
+	}
+
+      /* Pop the current state because it cannot handle the error token.  */
+      if (yyssp == yyss)
+	YYABORT;
+
+
+      yydestruct ("Error: popping", yystos[yystate], yyvsp);
+      YYPOPSTACK;
+      yystate = *yyssp;
+      YY_STACK_PRINT (yyss, yyssp);
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  *++yyvsp = yylval;
+
+
+  /* Shift the error token. */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+#ifndef yyoverflow
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (YY_("memory exhausted"));
+  yyresult = 2;
+  /* Fall through.  */
+#endif
+
+yyreturn:
+  if (yychar != YYEOF && yychar != YYEMPTY)
+     yydestruct ("Cleanup: discarding lookahead",
+		 yytoken, &yylval);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+		  yystos[*yyssp], yyvsp);
+      YYPOPSTACK;
+    }
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+  return yyresult;
+}
+
+
+#line 821 "ftpcmd.y"
+
+
+extern jmp_buf errcatch;
+
+
+
+
+
+//static void	 help __P((struct tab *, char *));
+static struct tab *
+		 lookup __P((struct tab *, char *));
+//static void	 sizecmd __P((char *));
+static int	 yylex __P((void));
+
+static struct tab *lookup(struct tab *p, char *cmd)
+{
+
+	for (; p->name != NULL; p++)
+		if (strcmp(cmd, p->name) == 0)
+			return (p);
+	return (0);
+}
+
+#include <arpa/telnet.h>
+
+/*
+ * getline - a hacked up version of fgets to ignore TELNET escape codes.
+ */
+char * ftpd_getline(char *s, int n, FILE *iop)
+{
+	int c;
+	register char *cs;
+
+	cs = s;
+/* tmpline may contain saved command from urgent mode interruption */
+	for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) {
+		*cs++ = tmpline[c];
+		if (tmpline[c] == '\n') {
+			*cs++ = '\0';
+//			if (debug)
+//				syslog(LOG_DEBUG, "command: %s", s);
+			tmpline[0] = '\0';
+			return(s);
+		}
+		if (c == 0)
+			tmpline[0] = '\0';
+	}
+	while ((c = getc(iop)) != EOF) {
+		c &= 0377;
+		if (c == IAC) {
+		    if ((c = getc(iop)) != EOF) {
+			c &= 0377;
+			switch (c) {
+			case WILL:
+			case WONT:
+				c = getc(iop);
+				printf("%c%c%c", IAC, DONT, 0377&c);
+				(void) fflush(stdout);
+				continue;
+			case DO:
+			case DONT:
+				c = getc(iop);
+				printf("%c%c%c", IAC, WONT, 0377&c);
+				(void) fflush(stdout);
+				continue;
+			case IAC:
+				break;
+			default:
+				continue;	/* ignore command */
+			}
+		    }
+		}
+		*cs++ = c;
+		if (--n <= 0 || c == '\n')
+			break;
+	}
+	if (c == EOF && cs == s)
+		return (NULL);
+	*cs++ = '\0';
+	if (debug) {
+		if (!guest && strncasecmp("pass ", s, 5) == 0) {
+			/* Don't syslog passwords */
+			//syslog(LOG_DEBUG, "command: %.5s ???", s);
+		} else {
+			register char *cp;
+			register int len;
+
+			/* Don't syslog trailing CR-LF */
+			len = strlen(s);
+			cp = s + len - 1;
+			while (cp >= s && (*cp == '\n' || *cp == '\r')) {
+				--cp;
+				--len;
+			}
+			//syslog(LOG_DEBUG, "command: %.*s", len, s);
+		}
+	}
+	return (s);
+}
+
+void toolong(int signo)
+{
+	(void)signo;
+
+	reply(421,
+	    "Timeout (%d seconds): closing control connection.", timeout);
+//	if (logging)
+//		syslog(LOG_INFO, "User %s timed out after %d seconds",
+//		    (pw ? pw -> pw_name : "unknown"), timeout);
+	dologout(1);
+}
+
+static int yylex(void)
+{
+	static int cpos, state;
+	char *cp, *cp2;
+	struct tab *p;
+	int n, value;
+	char c;
+
+	for (;;) {
+		switch (state) {
+
+		case CMD:
+			//(void) signal(SIGALRM, toolong);
+			//(void) alarm((unsigned) timeout);
+			if (ftpd_getline(cbuf, sizeof(cbuf)-1, stdin)==NULL) {
+				reply(221, "You could at least say goodbye.");
+				dologout(0);
+			}
+			//(void) alarm(0);
+			cp = strchr(cbuf, '\r');
+			if (cp) {
+				*cp++ = '\n';
+				*cp = '\0';
+			}
+#ifdef HASSETPROCTITLE
+			if (strncasecmp(cbuf, "PASS", 4) != 0) {
+				cp = strpbrk(cbuf, "\n");
+				if (cp) {
+					c = *cp;
+					*cp = '\0';
+					setproctitle("%s: %s", proctitle, cbuf);
+					*cp = c;
+				}
+			}
+#endif /* HASSETPROCTITLE */
+			cp = strpbrk(cbuf, " \n");
+			if (cp)
+				cpos = cp - cbuf;
+			if (cpos == 0)
+				cpos = 4;
+			c = cbuf[cpos];
+			cbuf[cpos] = '\0';
+			upper(cbuf);
+			p = lookup(cmdtab, cbuf);
+			cbuf[cpos] = c;
+			if (p != 0) {
+				if (p->implemented == 0) {
+					nack(p->name);
+					longjmp(errcatch,0);
+					/* NOTREACHED */
+				}
+				state = p->state;
+				yylval.s = (char *)p->name;  /* XXX */
+				return (p->token);
+			}
+			break;
+
+		case SITECMD:
+			if (cbuf[cpos] == ' ') {
+				cpos++;
+				return (SP);
+			}
+			cp = &cbuf[cpos];
+			cp2 = strpbrk(cp, " \n");
+			if (cp2)
+				cpos = cp2 - cbuf;
+			c = cbuf[cpos];
+			cbuf[cpos] = '\0';
+			upper(cp);
+			p = lookup(sitetab, cp);
+			cbuf[cpos] = c;
+			if (p != 0) {
+				if (p->implemented == 0) {
+					state = CMD;
+					nack(p->name);
+					longjmp(errcatch,0);
+					/* NOTREACHED */
+				}
+				state = p->state;
+				yylval.s = (char *) p->name;  /* XXX */
+				return (p->token);
+			}
+			state = CMD;
+			break;
+
+		case OSTR:
+			if (cbuf[cpos] == '\n') {
+				state = CMD;
+				return (CRLF);
+			}
+			/* FALLTHROUGH */
+
+		case STR1:
+		case ZSTR1:
+		dostr1:
+			if (cbuf[cpos] == ' ') {
+				cpos++;
+				/* DOH!!! who wrote this?
+				 * state = ++state; is undefined in C!
+				 * state = state == OSTR ? STR2 : ++state;
+				 * looks elegant but not correct, adding 'value'
+				 */
+				value = state == OSTR ? STR2 : ++state;
+				state = value;
+				return (SP);
+			}
+			break;
+
+		case ZSTR2:
+			if (cbuf[cpos] == '\n') {
+				state = CMD;
+				return (CRLF);
+			}
+			/* FALLTHROUGH */
+
+		case STR2:
+			cp = &cbuf[cpos];
+			n = strlen(cp);
+			cpos += n - 1;
+			/*
+			 * Make sure the string is nonempty and \n terminated.
+			 */
+			if (n > 1 && cbuf[cpos] == '\n') {
+				cbuf[cpos] = '\0';
+				yylval.s = strdup(cp);
+				if (yylval.s == NULL)
+					fatal("Ran out of memory.");
+				cbuf[cpos] = '\n';
+				state = ARGS;
+				return (STRING);
+			}
+			break;
+
+		case NSTR:
+			if (cbuf[cpos] == ' ') {
+				cpos++;
+				return (SP);
+			}
+			if (isdigit(cbuf[cpos])) {
+				cp = &cbuf[cpos];
+				while (isdigit(cbuf[++cpos]))
+					;
+				c = cbuf[cpos];
+				cbuf[cpos] = '\0';
+				yylval.i = atoi(cp);
+				cbuf[cpos] = c;
+				state = STR1;
+				return (NUMBER);
+			}
+			state = STR1;
+			goto dostr1;
+
+		case ARGS:
+			if (isdigit(cbuf[cpos])) {
+				cp = &cbuf[cpos];
+				while (isdigit(cbuf[++cpos]))
+					;
+				c = cbuf[cpos];
+				cbuf[cpos] = '\0';
+				yylval.i = atoi(cp);
+				cbuf[cpos] = c;
+				return (NUMBER);
+			}
+			switch (cbuf[cpos++]) {
+
+			case '\n':
+				state = CMD;
+				return (CRLF);
+
+			case ' ':
+				return (SP);
+
+			case ',':
+				return (COMMA);
+
+			case 'A':
+			case 'a':
+				return (A);
+
+			case 'B':
+			case 'b':
+				return (B);
+
+			case 'C':
+			case 'c':
+				return (C);
+
+			case 'E':
+			case 'e':
+				return (E);
+
+			case 'F':
+			case 'f':
+				return (F);
+
+			case 'I':
+			case 'i':
+				return (I);
+
+			case 'L':
+			case 'l':
+				return (L);
+
+			case 'N':
+			case 'n':
+				return (N);
+
+			case 'P':
+			case 'p':
+				return (P);
+
+			case 'R':
+			case 'r':
+				return (R);
+
+			case 'S':
+			case 's':
+				return (S);
+
+			case 'T':
+			case 't':
+				return (T);
+
+			}
+			break;
+
+		default:
+			fatal("Unknown state in scanner.");
+		}
+		yyerror((char *) 0);
+		state = CMD;
+		longjmp(errcatch,0);
+	}
+}
+
+void upper(char *s)
+{
+	while (*s != '\0') {
+		if (islower(*s))
+			*s = toupper(*s);
+		s++;
+	}
+}
+
+
+static void help(struct tab *ctab, char *s)
+{
+	struct tab *c;
+	int width, NCMDS;
+	const char *type;
+
+	if (ctab == sitetab)
+		type = "SITE ";
+	else
+		type = "";
+	width = 0, NCMDS = 0;
+	for (c = ctab; c->name != NULL; c++) {
+		int len = strlen(c->name);
+
+		if (len > width)
+			width = len;
+		NCMDS++;
+	}
+	width = (width + 8) &~ 7;
+	if (s == 0) {
+		int i, j, w;
+		int columns, lines;
+
+		lreply(214, "The following %scommands are recognized %s.",
+		    type, "(* =>'s unimplemented)");
+		columns = 76 / width;
+		if (columns == 0)
+			columns = 1;
+		lines = (NCMDS + columns - 1) / columns;
+		for (i = 0; i < lines; i++) {
+			printf("   ");
+			for (j = 0; j < columns; j++) {
+				c = ctab + j * lines + i;
+				printf("%s%c", c->name,
+					c->implemented ? ' ' : '*');
+				if (c + lines >= &ctab[NCMDS])
+					break;
+				w = strlen(c->name) + 1;
+				while (w < width) {
+					putchar(' ');
+					w++;
+				}
+			}
+			printf("\r\n");
+		}
+		(void) fflush(stdout);
+		reply(214, "Direct comments to ftp-bugs@%s.", hostname);
+		return;
+	}
+	upper(s);
+	c = lookup(ctab, s);
+	if (c == (struct tab *)0) {
+		reply(502, "Unknown command %s.", s);
+		return;
+	}
+	if (c->implemented)
+		reply(214, "Syntax: %s%s %s", type, c->name, c->help);
+	else
+		reply(214, "%s%-*s\t%s; unimplemented.", type, width,
+		    c->name, c->help);
+}
+