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TP-Link_Archer-XR500v/EN7526G_3.18Kernel_SDK/apps/public/ftpd/ftpcmd.c
Matheus Sampaio Queiroga aaca98136a
Add gpl
2024-07-22 01:58:46 -03:00

2440 lines
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C
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/* A Bison parser, made from ftpcmd.y
by GNU Bison version 1.28 */
#define YYBISON 1 /* Identify Bison output. */
#define A 257
#define B 258
#define C 259
#define E 260
#define F 261
#define I 262
#define L 263
#define N 264
#define P 265
#define R 266
#define S 267
#define T 268
#define SP 269
#define CRLF 270
#define COMMA 271
#define USER 272
#define PASS 273
#define ACCT 274
#define REIN 275
#define QUIT 276
#define PORT 277
#define PASV 278
#define TYPE 279
#define STRU 280
#define MODE 281
#define RETR 282
#define STOR 283
#define APPE 284
#define MLFL 285
#define MAIL 286
#define MSND 287
#define MSOM 288
#define MSAM 289
#define MRSQ 290
#define MRCP 291
#define ALLO 292
#define REST 293
#define RNFR 294
#define RNTO 295
#define ABOR 296
#define DELE 297
#define CWD 298
#define LIST 299
#define NLST 300
#define SITE 301
#define STAT 302
#define HELP 303
#define NOOP 304
#define MKD 305
#define RMD 306
#define PWD 307
#define CDUP 308
#define STOU 309
#define SMNT 310
#define SYST 311
#define SIZE 312
#define MDTM 313
#define UMASK 314
#define IDLE 315
#define CHMOD 316
#define LEXERR 317
#define STRING 318
#define NUMBER 319
#line 37 "ftpcmd.y"
#ifndef lint
static char sccsid[] = "@(#)ftpcmd.y 8.3 (Berkeley) 4/6/94";
#endif /* not lint */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#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 <pwd.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <unistd.h>
#include <limits.h>
#ifdef HAVE_SYS_UTSNAME_H
#include <sys/utsname.h>
#endif
/* Include glob.h last, because it may define "const" which breaks
system headers on some platforms. */
#include <glob.h>
#include "extern.h"
#if ! defined (NBBY) && defined (CHAR_BIT)
#define NBBY CHAR_BIT
#endif
off_t restart_point;
static char cbuf[512]; /* Command Buffer. */
static char *fromname;
static int cmd_type;
static int cmd_form;
static int cmd_bytesz;
struct tab
{
const char *name;
short token;
short state;
short implemented; /* 1 if command is implemented */
const char *help;
};
extern struct tab cmdtab[];
extern struct tab sitetab[];
static char *copy __P ((char *));
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 void yyerror __P ((const char *s));
#line 117 "ftpcmd.y"
typedef union {
int i;
char *s;
} YYSTYPE;
#include <stdio.h>
#ifndef __cplusplus
#ifndef __STDC__
#define const
#endif
#endif
#define YYFINAL 210
#define YYFLAG -32768
#define YYNTBASE 66
#define YYTRANSLATE(x) ((unsigned)(x) <= 319 ? yytranslate[x] : 81)
static const 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, 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 != 0
static const short yyprhs[] = { 0,
0, 1, 4, 7, 12, 17, 23, 27, 32, 37,
42, 47, 56, 62, 68, 74, 78, 84, 88, 94,
100, 103, 109, 115, 118, 122, 128, 131, 136, 139,
145, 151, 155, 159, 164, 171, 177, 185, 195, 200,
208, 214, 217, 223, 229, 232, 235, 241, 246, 248,
249, 251, 253, 265, 267, 269, 271, 273, 277, 279,
283, 285, 287, 291, 294, 296, 298, 300, 302, 304,
306, 308, 310, 312
};
static const short yyrhs[] = { -1,
66, 67, 0, 66, 68, 0, 18, 15, 69, 16,
0, 19, 15, 70, 16, 0, 23, 80, 15, 72,
16, 0, 24, 80, 16, 0, 25, 15, 74, 16,
0, 26, 15, 75, 16, 0, 27, 15, 76, 16,
0, 38, 15, 65, 16, 0, 38, 15, 65, 15,
12, 15, 65, 16, 0, 28, 80, 15, 77, 16,
0, 29, 80, 15, 77, 16, 0, 30, 80, 15,
77, 16, 0, 46, 80, 16, 0, 46, 80, 15,
64, 16, 0, 45, 80, 16, 0, 45, 80, 15,
77, 16, 0, 48, 80, 15, 77, 16, 0, 48,
16, 0, 43, 80, 15, 77, 16, 0, 41, 80,
15, 77, 16, 0, 42, 16, 0, 44, 80, 16,
0, 44, 80, 15, 77, 16, 0, 49, 16, 0,
49, 15, 64, 16, 0, 50, 16, 0, 51, 80,
15, 77, 16, 0, 52, 80, 15, 77, 16, 0,
53, 80, 16, 0, 54, 80, 16, 0, 47, 15,
49, 16, 0, 47, 15, 49, 15, 64, 16, 0,
47, 15, 60, 80, 16, 0, 47, 15, 60, 80,
15, 79, 16, 0, 47, 15, 62, 80, 15, 79,
15, 77, 16, 0, 47, 15, 61, 16, 0, 47,
15, 80, 61, 15, 65, 16, 0, 55, 80, 15,
77, 16, 0, 57, 16, 0, 58, 80, 15, 77,
16, 0, 59, 80, 15, 77, 16, 0, 22, 16,
0, 1, 16, 0, 40, 80, 15, 77, 16, 0,
39, 15, 71, 16, 0, 64, 0, 0, 64, 0,
65, 0, 65, 17, 65, 17, 65, 17, 65, 17,
65, 17, 65, 0, 10, 0, 14, 0, 5, 0,
3, 0, 3, 15, 73, 0, 6, 0, 6, 15,
73, 0, 8, 0, 9, 0, 9, 15, 71, 0,
9, 71, 0, 7, 0, 12, 0, 11, 0, 13,
0, 4, 0, 5, 0, 78, 0, 64, 0, 65,
0, 0
};
#endif
#if YYDEBUG != 0
static const short yyrline[] = { 0,
152, 153, 160, 164, 169, 175, 197, 202, 237, 249,
261, 265, 269, 276, 283, 290, 295, 302, 307, 314,
321, 325, 332, 345, 349, 354, 361, 365, 382, 386,
393, 400, 405, 410, 414, 420, 430, 445, 459, 465,
481, 488, 534, 551, 573, 578, 584, 595, 610, 614,
618, 622, 626, 640, 644, 648, 655, 660, 665, 670,
675, 679, 684, 690, 698, 702, 706, 713, 717, 721,
728, 765, 769, 796
};
#endif
#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
static const char * const yytname[] = { "$","error","$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","cmd_list","cmd","rcmd","username","password","byte_size","host_port",
"form_code","type_code","struct_code","mode_code","pathname","pathstring","octal_number",
"check_login", NULL
};
#endif
static const short yyr1[] = { 0,
66, 66, 66, 67, 67, 67, 67, 67, 67, 67,
67, 67, 67, 67, 67, 67, 67, 67, 67, 67,
67, 67, 67, 67, 67, 67, 67, 67, 67, 67,
67, 67, 67, 67, 67, 67, 67, 67, 67, 67,
67, 67, 67, 67, 67, 67, 68, 68, 69, 70,
70, 71, 72, 73, 73, 73, 74, 74, 74, 74,
74, 74, 74, 74, 75, 75, 75, 76, 76, 76,
77, 78, 79, 80
};
static const short yyr2[] = { 0,
0, 2, 2, 4, 4, 5, 3, 4, 4, 4,
4, 8, 5, 5, 5, 3, 5, 3, 5, 5,
2, 5, 5, 2, 3, 5, 2, 4, 2, 5,
5, 3, 3, 4, 6, 5, 7, 9, 4, 7,
5, 2, 5, 5, 2, 2, 5, 4, 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
};
static const short yydefact[] = { 1,
0, 0, 0, 0, 0, 74, 74, 0, 0, 0,
74, 74, 74, 0, 0, 74, 74, 0, 74, 74,
74, 74, 0, 74, 0, 0, 74, 74, 74, 74,
74, 0, 74, 74, 2, 3, 46, 0, 50, 45,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 24, 0, 0, 0, 0, 0, 21, 0,
0, 27, 29, 0, 0, 0, 0, 0, 42, 0,
0, 49, 0, 51, 0, 0, 7, 57, 59, 61,
62, 0, 65, 67, 66, 0, 69, 70, 68, 0,
0, 0, 0, 0, 52, 0, 0, 0, 0, 0,
25, 0, 18, 0, 16, 0, 74, 0, 74, 0,
0, 0, 0, 0, 32, 33, 0, 0, 0, 4,
5, 0, 0, 0, 0, 0, 64, 8, 9, 10,
72, 0, 71, 0, 0, 0, 11, 48, 0, 0,
0, 0, 0, 0, 0, 34, 0, 39, 0, 0,
0, 28, 0, 0, 0, 0, 0, 0, 6, 56,
54, 55, 58, 60, 63, 13, 14, 15, 0, 47,
23, 22, 26, 19, 17, 0, 0, 36, 0, 0,
20, 30, 31, 41, 43, 44, 0, 0, 35, 73,
0, 0, 0, 0, 0, 37, 0, 40, 0, 12,
0, 0, 38, 0, 0, 0, 0, 53, 0, 0
};
static const short yydefgoto[] = { 1,
35, 36, 73, 75, 96, 123, 163, 82, 86, 90,
132, 133, 191, 41
};
static const short yypact[] = {-32768,
42, -7, 8, 20, 24,-32768,-32768, 44, 59, 62,
-32768,-32768,-32768, 83, 89,-32768,-32768, 47,-32768,-32768,
-32768,-32768, 97, 98, 16, 99,-32768,-32768,-32768,-32768,
-32768, 100,-32768,-32768,-32768,-32768,-32768, 49, 53,-32768,
103, 104, 70, 6, 7, 106, 107, 108, 54, 60,
112, 113,-32768, 114, 39, 41, 87, -46,-32768, 115,
67,-32768,-32768, 117, 118, 119, 120, 122,-32768, 123,
124,-32768, 125,-32768, 126, 69,-32768, 128, 129,-32768,
-13, 130,-32768,-32768,-32768, 131,-32768,-32768,-32768, 132,
76, 76, 76, 91,-32768, 133, 76, 76, 76, 76,
-32768, 76,-32768, 81,-32768, 93,-32768, 134,-32768, 90,
76, 136, 76, 76,-32768,-32768, 76, 76, 76,-32768,
-32768, 137, 139, 48, 48, 60,-32768,-32768,-32768,-32768,
-32768, 140,-32768, 141, 142, 147,-32768,-32768, 144, 145,
146, 148, 149, 150, 105,-32768, 95,-32768, 138, 152,
154,-32768, 155, 156, 157, 158, 159, 111,-32768,-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 153,-32768,
-32768,-32768,-32768,-32768,-32768, 161, 116,-32768, 116, 121,
-32768,-32768,-32768,-32768,-32768,-32768, 162, 127,-32768,-32768,
164, 163, 166, 135, 167,-32768, 76,-32768, 168,-32768,
171, 143,-32768, 172, 151, 173, 160,-32768, 184,-32768
};
static const short yypgoto[] = {-32768,
-32768,-32768,-32768,-32768, -77,-32768, 38,-32768,-32768,-32768,
-92,-32768, 9, 17
};
#define YYLAST 225
static const short yytable[] = { 134,
135, 126, 106, 127, 139, 140, 141, 142, 37, 143,
87, 88, 83, 107, 108, 109, 84, 85, 151, 89,
153, 154, 38, 42, 155, 156, 157, 46, 47, 48,
61, 62, 51, 52, 39, 54, 55, 56, 57, 40,
60, 209, 2, 64, 65, 66, 67, 68, 165, 70,
71, 95, 160, 100, 101, 102, 103, 161, 43, 3,
4, 162, 53, 5, 6, 7, 8, 9, 10, 11,
12, 13, 78, 44, 110, 79, 45, 80, 81, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 49, 32, 33,
34, 104, 105, 50, 201, 136, 137, 145, 146, 177,
178, 58, 72, 59, 63, 69, 74, 76, 94, 77,
91, 92, 93, 147, 95, 149, 97, 98, 99, 111,
112, 113, 114, 122, 115, 116, 117, 118, 119, 131,
120, 121, 124, 125, 144, 128, 129, 130, 138, 148,
150, 152, 179, 158, 159, 166, 167, 168, 169, 170,
171, 172, 164, 173, 174, 175, 180, 188, 176, 181,
182, 183, 184, 185, 186, 187, 189, 197, 194, 196,
190, 198, 200, 210, 202, 193, 203, 192, 205, 207,
0, 195, 0, 0, 0, 0, 0, 0, 0, 199,
0, 0, 0, 0, 0, 0, 0, 204, 0, 0,
0, 0, 0, 0, 0, 206, 0, 0, 0, 0,
0, 0, 0, 0, 208
};
static const short yycheck[] = { 92,
93, 15, 49, 81, 97, 98, 99, 100, 16, 102,
4, 5, 7, 60, 61, 62, 11, 12, 111, 13,
113, 114, 15, 7, 117, 118, 119, 11, 12, 13,
15, 16, 16, 17, 15, 19, 20, 21, 22, 16,
24, 0, 1, 27, 28, 29, 30, 31, 126, 33,
34, 65, 5, 15, 16, 15, 16, 10, 15, 18,
19, 14, 16, 22, 23, 24, 25, 26, 27, 28,
29, 30, 3, 15, 58, 6, 15, 8, 9, 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, 197, 15, 16, 15, 16, 15,
16, 15, 64, 16, 16, 16, 64, 15, 65, 16,
15, 15, 15, 107, 65, 109, 15, 15, 15, 15,
64, 15, 15, 65, 16, 16, 15, 15, 15, 64,
16, 16, 15, 15, 64, 16, 16, 16, 16, 16,
61, 16, 15, 17, 16, 16, 16, 16, 12, 16,
16, 16, 125, 16, 16, 16, 15, 15, 64, 16,
16, 16, 16, 16, 16, 65, 16, 15, 17, 16,
65, 16, 16, 0, 17, 65, 16, 179, 17, 17,
-1, 65, -1, -1, -1, -1, -1, -1, -1, 65,
-1, -1, -1, -1, -1, -1, -1, 65, -1, -1,
-1, -1, -1, -1, -1, 65, -1, -1, -1, -1,
-1, -1, -1, -1, 65
};
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/share/bison/bison.simple"
/* This file comes from bison-1.28. */
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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. */
/* This is the parser code that is written into each bison parser
when the %semantic_parser declaration is not specified in the grammar.
It was written by Richard Stallman by simplifying the hairy parser
used when %semantic_parser is specified. */
#ifndef YYSTACK_USE_ALLOCA
#ifdef alloca
#define YYSTACK_USE_ALLOCA
#else /* alloca not defined */
#ifdef __GNUC__
#define YYSTACK_USE_ALLOCA
#define alloca __builtin_alloca
#else /* not GNU C. */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
#define YYSTACK_USE_ALLOCA
#include <alloca.h>
#else /* not sparc */
/* We think this test detects Watcom and Microsoft C. */
/* This used to test MSDOS, but that is a bad idea
since that symbol is in the user namespace. */
#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
#if 0 /* No need for malloc.h, which pollutes the namespace;
instead, just don't use alloca. */
#include <malloc.h>
#endif
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
/* I don't know what this was needed for, but it pollutes the namespace.
So I turned it off. rms, 2 May 1997. */
/* #include <malloc.h> */
#pragma alloca
#define YYSTACK_USE_ALLOCA
#else /* not MSDOS, or __TURBOC__, or _AIX */
#if 0
#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
and on HPUX 10. Eventually we can turn this on. */
#define YYSTACK_USE_ALLOCA
#define alloca __builtin_alloca
#endif /* __hpux */
#endif
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
#endif /* not sparc */
#endif /* not GNU C */
#endif /* alloca not defined */
#endif /* YYSTACK_USE_ALLOCA not defined */
#ifdef YYSTACK_USE_ALLOCA
#define YYSTACK_ALLOC alloca
#else
#define YYSTACK_ALLOC malloc
#endif
/* Note: there must be only one dollar sign in this file.
It is replaced by the list of actions, each action
as one case of the switch. */
#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 yyerrlab1
/* 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); \
yychar1 = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ yyerror ("syntax error: cannot back up"); YYERROR; } \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
#ifndef YYPURE
#define YYLEX yylex()
#endif
#ifdef YYPURE
#ifdef YYLSP_NEEDED
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval, &yylloc)
#endif
#else /* not YYLSP_NEEDED */
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval)
#endif
#endif /* not YYLSP_NEEDED */
#endif
/* If nonreentrant, generate the variables here */
#ifndef YYPURE
int yychar; /* the lookahead symbol */
YYSTYPE yylval; /* the semantic value of the */
/* lookahead symbol */
#ifdef YYLSP_NEEDED
YYLTYPE yylloc; /* location data for the lookahead */
/* symbol */
#endif
int yynerrs; /* number of parse errors so far */
#endif /* not YYPURE */
#if YYDEBUG != 0
int yydebug; /* nonzero means print parse trace */
/* Since this is uninitialized, it does not stop multiple parsers
from coexisting. */
#endif
/* YYINITDEPTH indicates the initial size of the parser's stacks */
#ifndef YYINITDEPTH
#define YYINITDEPTH 200
#endif
/* YYMAXDEPTH is the maximum size the stacks can grow to
(effective only if the built-in stack extension method is used). */
#if YYMAXDEPTH == 0
#undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
/* Define __yy_memcpy. Note that the size argument
should be passed with type unsigned int, because that is what the non-GCC
definitions require. With GCC, __builtin_memcpy takes an arg
of type size_t, but it can handle unsigned int. */
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else /* not GNU C or C++ */
#ifndef __cplusplus
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_memcpy (to, from, count)
char *to;
char *from;
unsigned int count;
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#else /* __cplusplus */
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_memcpy (char *to, char *from, unsigned int count)
{
register char *t = to;
register char *f = from;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#endif
#endif
#line 217 "/usr/share/bison/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
It should actually point to an object.
Grammar actions can access the variable by casting it
to the proper pointer type. */
#ifdef YYPARSE_PARAM
#ifdef __cplusplus
#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#else /* not __cplusplus */
#define YYPARSE_PARAM_ARG YYPARSE_PARAM
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#endif /* not __cplusplus */
#else /* not YYPARSE_PARAM */
#define YYPARSE_PARAM_ARG
#define YYPARSE_PARAM_DECL
#endif /* not YYPARSE_PARAM */
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
#ifdef YYPARSE_PARAM
int yyparse (void *);
#else
int yyparse (void);
#endif
#endif
int
yyparse(YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
{
register int yystate;
register int yyn;
register short *yyssp;
register YYSTYPE *yyvsp;
int yyerrstatus; /* number of tokens to shift before error messages enabled */
int yychar1 = 0; /* lookahead token as an internal (translated) token number */
short yyssa[YYINITDEPTH]; /* the state stack */
YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
short *yyss = yyssa; /* refer to the stacks thru separate pointers */
YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
#ifdef YYLSP_NEEDED
YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
#define YYPOPSTACK (yyvsp--, yyssp--)
#endif
int yystacksize = YYINITDEPTH;
int yyfree_stacks = 0;
#ifdef YYPURE
int yychar;
YYSTYPE yylval;
int yynerrs;
#ifdef YYLSP_NEEDED
YYLTYPE yylloc;
#endif
#endif
YYSTYPE yyval; /* the variable used to return */
/* semantic values from the action */
/* routines */
int yylen;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Starting parse\n");
#endif
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 - 1;
yyvsp = yyvs;
#ifdef YYLSP_NEEDED
yylsp = yyls;
#endif
/* Push a new state, which is found in yystate . */
/* In all cases, when you get here, the value and location stacks
have just been pushed. so pushing a state here evens the stacks. */
yynewstate:
*++yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
/* 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 *yyss1 = yyss;
#ifdef YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
#endif
/* Get the current used size of the three stacks, in elements. */
int size = yyssp - yyss + 1;
#ifdef yyoverflow
/* Each stack pointer address is followed by the size of
the data in use in that stack, in bytes. */
#ifdef YYLSP_NEEDED
/* This used to be a conditional around just the two extra args,
but that might be undefined if yyoverflow is a macro. */
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
&yyls1, size * sizeof (*yylsp),
&yystacksize);
#else
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
&yystacksize);
#endif
yyss = yyss1; yyvs = yyvs1;
#ifdef YYLSP_NEEDED
yyls = yyls1;
#endif
#else /* no yyoverflow */
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
{
yyerror("parser stack overflow");
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
#ifdef YYLSP_NEEDED
free (yyls);
#endif
}
return 2;
}
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
#ifndef YYSTACK_USE_ALLOCA
yyfree_stacks = 1;
#endif
yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
__yy_memcpy ((char *)yyss, (char *)yyss1,
size * (unsigned int) sizeof (*yyssp));
yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
__yy_memcpy ((char *)yyvs, (char *)yyvs1,
size * (unsigned int) sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
__yy_memcpy ((char *)yyls, (char *)yyls1,
size * (unsigned int) sizeof (*yylsp));
#endif
#endif /* no yyoverflow */
yyssp = yyss + size - 1;
yyvsp = yyvs + size - 1;
#ifdef YYLSP_NEEDED
yylsp = yyls + size - 1;
#endif
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Stack size increased to %d\n", yystacksize);
#endif
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Entering state %d\n", yystate);
#endif
goto yybackup;
yybackup:
/* Do appropriate processing given the current state. */
/* Read a lookahead token if we need one and don't already have one. */
/* yyresume: */
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
/* yychar is either YYEMPTY or YYEOF
or a valid token in external form. */
if (yychar == YYEMPTY)
{
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Reading a token: ");
#endif
yychar = YYLEX;
}
/* Convert token to internal form (in yychar1) for indexing tables with */
if (yychar <= 0) /* This means end of input. */
{
yychar1 = 0;
yychar = YYEOF; /* Don't call YYLEX any more */
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Now at end of input.\n");
#endif
}
else
{
yychar1 = YYTRANSLATE(yychar);
#if YYDEBUG != 0
if (yydebug)
{
fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
/* Give the individual parser a way to print the precise meaning
of a token, for further debugging info. */
#ifdef YYPRINT
YYPRINT (stderr, yychar, yylval);
#endif
fprintf (stderr, ")\n");
}
#endif
}
yyn += yychar1;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
goto yydefault;
yyn = yytable[yyn];
/* yyn is what to do for this token type in this state.
Negative => reduce, -yyn is rule number.
Positive => shift, yyn is new state.
New state is final state => don't bother to shift,
just return success.
0, or most negative number => error. */
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
/* Shift the lookahead token. */
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
/* count tokens shifted since error; after three, turn off error status. */
if (yyerrstatus) yyerrstatus--;
yystate = yyn;
goto yynewstate;
/* Do the default action for the current state. */
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
/* Do a reduction. yyn is the number of a rule to reduce with. */
yyreduce:
yylen = yyr2[yyn];
if (yylen > 0)
yyval = yyvsp[1-yylen]; /* implement default value of the action */
#if YYDEBUG != 0
if (yydebug)
{
int i;
fprintf (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
fprintf (stderr, "%s ", yytname[yyrhs[i]]);
fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
switch (yyn) {
case 2:
#line 154 "ftpcmd.y"
{
if (fromname != NULL)
free (fromname);
fromname = (char *) 0;
restart_point = (off_t) 0;
;
break;}
case 4:
#line 165 "ftpcmd.y"
{
user(yyvsp[-1].s);
free(yyvsp[-1].s);
;
break;}
case 5:
#line 170 "ftpcmd.y"
{
pass(yyvsp[-1].s);
memset (yyvsp[-1].s, 0, strlen (yyvsp[-1].s));
free(yyvsp[-1].s);
;
break;}
case 6:
#line 176 "ftpcmd.y"
{
usedefault = 0;
if (pdata >= 0) {
(void) close(pdata);
pdata = -1;
}
if (yyvsp[-3].i) {
if (memcmp (&his_addr.sin_addr,
&data_dest.sin_addr,
sizeof (data_dest.sin_addr)) == 0 &&
ntohs (data_dest.sin_port) >
IPPORT_RESERVED) {
reply (200, "PORT command sucessful.");
}
else {
memset (&data_dest, 0,
sizeof (data_dest));
reply(500, "Illegal PORT Command");
}
}
;
break;}
case 7:
#line 198 "ftpcmd.y"
{
if (yyvsp[-1].i)
passive();
;
break;}
case 8:
#line 203 "ftpcmd.y"
{
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 defined (NBBY) && NBBY == 8
if (cmd_bytesz == 8) {
reply(200,
"Type set to L (byte size 8).");
type = cmd_type;
} else
reply(504, "Byte size must be 8.");
#else /* NBBY == 8 */
UNIMPLEMENTED for NBBY != 8
#endif /* NBBY == 8 */
}
;
break;}
case 9:
#line 238 "ftpcmd.y"
{
switch (yyvsp[-1].i) {
case STRU_F:
reply(200, "STRU F ok.");
break;
default:
reply(504, "Unimplemented STRU type.");
}
;
break;}
case 10:
#line 250 "ftpcmd.y"
{
switch (yyvsp[-1].i) {
case MODE_S:
reply(200, "MODE S ok.");
break;
default:
reply(502, "Unimplemented MODE type.");
}
;
break;}
case 11:
#line 262 "ftpcmd.y"
{
reply(202, "ALLO command ignored.");
;
break;}
case 12:
#line 266 "ftpcmd.y"
{
reply(202, "ALLO command ignored.");
;
break;}
case 13:
#line 270 "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 14:
#line 277 "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 15:
#line 284 "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 16:
#line 291 "ftpcmd.y"
{
if (yyvsp[-1].i)
send_file_list(".");
;
break;}
case 17:
#line 296 "ftpcmd.y"
{
if (yyvsp[-3].i && yyvsp[-1].s != NULL)
send_file_list(yyvsp[-1].s);
if (yyvsp[-1].s != NULL)
free(yyvsp[-1].s);
;
break;}
case 18:
#line 303 "ftpcmd.y"
{
if (yyvsp[-1].i)
retrieve("/bin/ls -lgA", "");
;
break;}
case 19:
#line 308 "ftpcmd.y"
{
if (yyvsp[-3].i && yyvsp[-1].s != NULL)
retrieve("/bin/ls -lgA %s", yyvsp[-1].s);
if (yyvsp[-1].s != NULL)
free(yyvsp[-1].s);
;
break;}
case 20:
#line 315 "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 21:
#line 322 "ftpcmd.y"
{
statcmd();
;
break;}
case 22:
#line 326 "ftpcmd.y"
{
if (yyvsp[-3].i && yyvsp[-1].s != NULL)
delete(yyvsp[-1].s);
if (yyvsp[-1].s != NULL)
free(yyvsp[-1].s);
;
break;}
case 23:
#line 333 "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 24:
#line 346 "ftpcmd.y"
{
reply(225, "ABOR command successful.");
;
break;}
case 25:
#line 350 "ftpcmd.y"
{
if (yyvsp[-1].i)
cwd(cred.homedir);
;
break;}
case 26:
#line 355 "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 27:
#line 362 "ftpcmd.y"
{
help(cmdtab, (char *) 0);
;
break;}
case 28:
#line 366 "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 29:
#line 383 "ftpcmd.y"
{
reply(200, "NOOP command successful.");
;
break;}
case 30:
#line 387 "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 31:
#line 394 "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 32:
#line 401 "ftpcmd.y"
{
if (yyvsp[-1].i)
pwd();
;
break;}
case 33:
#line 406 "ftpcmd.y"
{
if (yyvsp[-1].i)
cwd("..");
;
break;}
case 34:
#line 411 "ftpcmd.y"
{
help(sitetab, (char *) 0);
;
break;}
case 35:
#line 415 "ftpcmd.y"
{
help(sitetab, yyvsp[-1].s);
if (yyvsp[-1].s != NULL)
free (yyvsp[-1].s);
;
break;}
case 36:
#line 421 "ftpcmd.y"
{
int oldmask;
if (yyvsp[-1].i) {
oldmask = umask(0);
(void) umask(oldmask);
reply(200, "Current UMASK is %03o", oldmask);
}
;
break;}
case 37:
#line 431 "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 38:
#line 446 "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 39:
#line 460 "ftpcmd.y"
{
reply(200,
"Current IDLE time limit is %d seconds; max %d",
timeout, maxtimeout);
;
break;}
case 40:
#line 466 "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 41:
#line 482 "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 42:
#line 489 "ftpcmd.y"
{
const char *sys_type; /* Official rfc-defined os type. */
char *version = 0; /* A more specific type. */
#ifdef HAVE_UNAME
struct utsname u;
if (uname (&u) == 0) {
version =
malloc (strlen (u.sysname)
+ 1 + strlen (u.release) + 1);
if (version)
sprintf (version, "%s %s",
u.sysname, u.release);
}
#else
#ifdef BSD
version = "BSD";
#endif
#endif
#ifdef unix
sys_type = "UNIX";
#else
sys_type = "UNKNOWN";
#endif
if (version)
reply(215, "%s Type: L%d Version: %s",
sys_type, NBBY, version);
else
reply(215, "%s Type: L%d", sys_type, NBBY);
#ifdef HAVE_UNAME
if (version)
free (version);
#endif
;
break;}
case 43:
#line 535 "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 44:
#line 552 "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",
1900 + 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 45:
#line 574 "ftpcmd.y"
{
reply(221, "Goodbye.");
dologout(0);
;
break;}
case 46:
#line 579 "ftpcmd.y"
{
yyerrok;
;
break;}
case 47:
#line 585 "ftpcmd.y"
{
restart_point = (off_t) 0;
if (yyvsp[-3].i && yyvsp[-1].s) {
if (fromname != NULL)
free (fromname);
fromname = renamefrom(yyvsp[-1].s);
}
if (fromname == (char *) 0 && yyvsp[-1].s)
free(yyvsp[-1].s);
;
break;}
case 48:
#line 596 "ftpcmd.y"
{
if (fromname != NULL)
free (fromname);
fromname = (char *) 0;
restart_point = yyvsp[-1].i; /* XXX $3 is only "int" */
reply(350,
(sizeof(restart_point) > sizeof(long)
? "Restarting at %qd. %s"
: "Restarting at %ld. %s"), restart_point,
"Send STORE or RETRIEVE to initiate transfer.");
;
break;}
case 50:
#line 615 "ftpcmd.y"
{
yyval.s = (char *)calloc(1, sizeof(char));
;
break;}
case 53:
#line 628 "ftpcmd.y"
{
char *a, *p;
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;
p = (char *)&data_dest.sin_port;
p[0] = yyvsp[-2].i; p[1] = yyvsp[0].i;
data_dest.sin_family = AF_INET;
;
break;}
case 54:
#line 641 "ftpcmd.y"
{
yyval.i = FORM_N;
;
break;}
case 55:
#line 645 "ftpcmd.y"
{
yyval.i = FORM_T;
;
break;}
case 56:
#line 649 "ftpcmd.y"
{
yyval.i = FORM_C;
;
break;}
case 57:
#line 656 "ftpcmd.y"
{
cmd_type = TYPE_A;
cmd_form = FORM_N;
;
break;}
case 58:
#line 661 "ftpcmd.y"
{
cmd_type = TYPE_A;
cmd_form = yyvsp[0].i;
;
break;}
case 59:
#line 666 "ftpcmd.y"
{
cmd_type = TYPE_E;
cmd_form = FORM_N;
;
break;}
case 60:
#line 671 "ftpcmd.y"
{
cmd_type = TYPE_E;
cmd_form = yyvsp[0].i;
;
break;}
case 61:
#line 676 "ftpcmd.y"
{
cmd_type = TYPE_I;
;
break;}
case 62:
#line 680 "ftpcmd.y"
{
cmd_type = TYPE_L;
cmd_bytesz = NBBY;
;
break;}
case 63:
#line 685 "ftpcmd.y"
{
cmd_type = TYPE_L;
cmd_bytesz = yyvsp[0].i;
;
break;}
case 64:
#line 691 "ftpcmd.y"
{
cmd_type = TYPE_L;
cmd_bytesz = yyvsp[0].i;
;
break;}
case 65:
#line 699 "ftpcmd.y"
{
yyval.i = STRU_F;
;
break;}
case 66:
#line 703 "ftpcmd.y"
{
yyval.i = STRU_R;
;
break;}
case 67:
#line 707 "ftpcmd.y"
{
yyval.i = STRU_P;
;
break;}
case 68:
#line 714 "ftpcmd.y"
{
yyval.i = MODE_S;
;
break;}
case 69:
#line 718 "ftpcmd.y"
{
yyval.i = MODE_B;
;
break;}
case 70:
#line 722 "ftpcmd.y"
{
yyval.i = MODE_C;
;
break;}
case 71:
#line 729 "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 (cred.logged_in && yyvsp[0].s && *yyvsp[0].s == '~') {
glob_t gl;
int flags = GLOB_NOCHECK;
#ifdef GLOB_BRACE
flags |= GLOB_BRACE;
#endif
#ifdef GLOB_QUOTE
flags |= GLOB_QUOTE;
#endif
#ifdef GLOB_TILDE
flags |= GLOB_TILDE;
#endif
memset(&gl, 0, sizeof(gl));
if (glob(yyvsp[0].s, 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 73:
#line 770 "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 74:
#line 797 "ftpcmd.y"
{
if (cred.logged_in)
yyval.i = 1;
else {
reply(530, "Please login with USER and PASS.");
yyval.i = 0;
}
;
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 543 "/usr/share/bison/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
#ifdef YYLSP_NEEDED
yylsp -= yylen;
#endif
#if YYDEBUG != 0
if (yydebug)
{
short *ssp1 = yyss - 1;
fprintf (stderr, "state stack now");
while (ssp1 != yyssp)
fprintf (stderr, " %d", *++ssp1);
fprintf (stderr, "\n");
}
#endif
*++yyvsp = yyval;
#ifdef YYLSP_NEEDED
yylsp++;
if (yylen == 0)
{
yylsp->first_line = yylloc.first_line;
yylsp->first_column = yylloc.first_column;
yylsp->last_line = (yylsp-1)->last_line;
yylsp->last_column = (yylsp-1)->last_column;
yylsp->text = 0;
}
else
{
yylsp->last_line = (yylsp+yylen-1)->last_line;
yylsp->last_column = (yylsp+yylen-1)->last_column;
}
#endif
/* 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 - YYNTBASE] + *yyssp;
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTBASE];
goto yynewstate;
yyerrlab: /* here on detecting error */
if (! yyerrstatus)
/* If not already recovering from an error, report this error. */
{
++yynerrs;
#ifdef YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
int size = 0;
char *msg;
int x, count;
count = 0;
/* Start X at -yyn if nec to avoid negative indexes in yycheck. */
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
size += strlen(yytname[x]) + 15, count++;
msg = (char *) malloc(size + 15);
if (msg != 0)
{
strcpy(msg, "parse error");
if (count < 5)
{
count = 0;
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
{
strcat(msg, count == 0 ? ", expecting `" : " or `");
strcat(msg, yytname[x]);
strcat(msg, "'");
count++;
}
}
yyerror(msg);
free(msg);
}
else
yyerror ("parse error; also virtual memory exceeded");
}
else
#endif /* YYERROR_VERBOSE */
yyerror("parse error");
}
goto yyerrlab1;
yyerrlab1: /* here on error raised explicitly by an action */
if (yyerrstatus == 3)
{
/* if just tried and failed to reuse lookahead token after an error, discard it. */
/* return failure if at end of input */
if (yychar == YYEOF)
YYABORT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif
yychar = YYEMPTY;
}
/* Else will try to reuse lookahead token
after shifting the error token. */
yyerrstatus = 3; /* Each real token shifted decrements this */
goto yyerrhandle;
yyerrdefault: /* current state does not do anything special for the error token. */
#if 0
/* This is wrong; only states that explicitly want error tokens
should shift them. */
yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
if (yyn) goto yydefault;
#endif
yyerrpop: /* pop the current state because it cannot handle the error token */
if (yyssp == yyss) YYABORT;
yyvsp--;
yystate = *--yyssp;
#ifdef YYLSP_NEEDED
yylsp--;
#endif
#if YYDEBUG != 0
if (yydebug)
{
short *ssp1 = yyss - 1;
fprintf (stderr, "Error: state stack now");
while (ssp1 != yyssp)
fprintf (stderr, " %d", *++ssp1);
fprintf (stderr, "\n");
}
#endif
yyerrhandle:
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yyerrdefault;
yyn += YYTERROR;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
goto yyerrdefault;
yyn = yytable[yyn];
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrpop;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrpop;
if (yyn == YYFINAL)
YYACCEPT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting error token, ");
#endif
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
yyacceptlab:
/* YYACCEPT comes here. */
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
#ifdef YYLSP_NEEDED
free (yyls);
#endif
}
return 0;
yyabortlab:
/* YYABORT comes here. */
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
#ifdef YYLSP_NEEDED
free (yyls);
#endif
}
return 1;
}
#line 807 "ftpcmd.y"
#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 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 }
};
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 }
};
static struct tab *
lookup(p, cmd)
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 *
telnet_fgets(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 (!cred.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",
(cred.name ? cred.name : "unknown"), timeout);
dologout(1);
}
static int
yylex()
{
static int cpos, state;
char *cp, *cp2;
struct tab *p;
int n;
char c;
for (;;) {
switch (state) {
case CMD:
(void) signal(SIGALRM, toolong);
(void) alarm((unsigned) timeout);
if (telnet_fgets(cbuf, sizeof(cbuf)-1, stdin) == NULL) {
reply(221, "You could at least say goodbye.");
dologout(0);
}
(void) alarm(0);
#ifdef HAVE_SETPROCTITLE
if (strncasecmp(cbuf, "PASS", 4) != NULL)
setproctitle("%s: %s", proctitle, cbuf);
#endif /* HAVE_SETPROCTITLE */
if ((cp = strchr(cbuf, '\r'))) {
*cp++ = '\n';
*cp = '\0';
}
if ((cp = strpbrk(cbuf, " \n")))
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 = p->name;
return (p->token);
}
break;
case SITECMD:
if (cbuf[cpos] == ' ') {
cpos++;
return (SP);
}
cp = &cbuf[cpos];
if ((cp2 = strpbrk(cp, " \n")))
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 = p->name;
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++;
state = state == OSTR ? STR2 : ++state;
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 = copy(cp);
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 char *
copy(char *s)
{
char *p;
p = malloc((unsigned) strlen(s) + 1);
if (p == NULL)
fatal("Ran out of memory.");
(void) strcpy(p, s);
return (p);
}
static void
help(struct tab *ctab, char *s)
{
struct tab *c;
int width, NCMDS;
const char *help_type;
if (ctab == sitetab)
help_type = "SITE ";
else
help_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.",
help_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", help_type, c->name, c->help);
else
reply(214, "%s%-*s\t%s; unimplemented.", help_type, width,
c->name, c->help);
}
static void
sizecmd(char *filename)
{
switch (type) {
case TYPE_L:
case TYPE_I: {
struct stat stbuf;
if (stat(filename, &stbuf) < 0 || !S_ISREG(stbuf.st_mode))
reply(550, "%s: not a plain file.", filename);
else
reply(213,
(sizeof (stbuf.st_size) > sizeof(long)
? "%qu" : "%lu"), stbuf.st_size);
break; }
case TYPE_A: {
FILE *fin;
int c;
off_t count;
struct stat stbuf;
fin = fopen(filename, "r");
if (fin == NULL) {
perror_reply(550, filename);
return;
}
if (fstat(fileno(fin), &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) {
reply(550, "%s: not a plain file.", filename);
(void) fclose(fin);
return;
}
count = 0;
while((c=getc(fin)) != EOF) {
if (c == '\n') /* will get expanded to \r\n */
count++;
count++;
}
(void) fclose(fin);
reply(213, sizeof(count) > sizeof(long) ? "%qd" : "%ld",
count);
break; }
default:
reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]);
}
}
/* ARGSUSED */
static void
yyerror(const char *s)
{
char *cp;
(void)s;
cp = strchr(cbuf,'\n');
if (cp != NULL)
*cp = '\0';
reply(500, "'%s': command not understood.", cbuf);
}
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