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|
#ifndef lint
static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
#endif
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYEMPTY (-1)
#define yyclearin (yychar = YYEMPTY)
#define yyerrok (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#ifndef yyparse
#define yyparse ftp_parse
#endif /* yyparse */
#ifndef yylex
#define yylex ftp_lex
#endif /* yylex */
#ifndef yyerror
#define yyerror ftp_error
#endif /* yyerror */
#ifndef yychar
#define yychar ftp_char
#endif /* yychar */
#ifndef yyval
#define yyval ftp_val
#endif /* yyval */
#ifndef yylval
#define yylval ftp_lval
#endif /* yylval */
#ifndef yydebug
#define yydebug ftp_debug
#endif /* yydebug */
#ifndef yynerrs
#define yynerrs ftp_nerrs
#endif /* yynerrs */
#ifndef yyerrflag
#define yyerrflag ftp_errflag
#endif /* yyerrflag */
#ifndef yylhs
#define yylhs ftp_lhs
#endif /* yylhs */
#ifndef yylen
#define yylen ftp_len
#endif /* yylen */
#ifndef yydefred
#define yydefred ftp_defred
#endif /* yydefred */
#ifndef yydgoto
#define yydgoto ftp_dgoto
#endif /* yydgoto */
#ifndef yysindex
#define yysindex ftp_sindex
#endif /* yysindex */
#ifndef yyrindex
#define yyrindex ftp_rindex
#endif /* yyrindex */
#ifndef yygindex
#define yygindex ftp_gindex
#endif /* yygindex */
#ifndef yytable
#define yytable ftp_table
#endif /* yytable */
#ifndef yycheck
#define yycheck ftp_check
#endif /* yycheck */
#ifndef yyname
#define yyname ftp_name
#endif /* yyname */
#ifndef yyrule
#define yyrule ftp_rule
#endif /* yyrule */
#define YYPREFIX "ftp_"
#define YYPURE 0
#line 26 "ftp.y"
/* sccsid[] = "@(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89"; */
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/ftp.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <signal.h>
#include <ctype.h>
#include <pwd.h>
#include <setjmp.h>
#include <syslog.h>
#include <sys/stat.h>
#include <string.h>
#include <time.h>
#include <assert.h>
#ifdef YYBISON
int yylex(void);
static void yyerror(const char *);
#endif
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 char *globerr;
extern int usedefault;
extern int transflag;
extern char tmpline[];
extern char **glob(char *);
extern char *renamefrom(char *);
extern void cwd(const char *);
extern void dologout(int);
extern void fatal(const char *);
extern void makedir(const char *);
extern void nack(const char *);
extern void pass(const char *);
extern void passive(void);
extern void pwd(void);
extern void removedir(char *);
extern void renamecmd(char *, char *);
extern void retrieve(const char *, const char *);
extern void send_file_list(const char *);
extern void statcmd(void);
extern void statfilecmd(const char *);
extern void store(char *, const char *, int);
extern void user(const char *);
extern void perror_reply(int, const char *, ...);
extern void reply(int, const char *, ...);
extern void lreply(int, const char *, ...);
static int cmd_type;
static int cmd_form;
static int cmd_bytesz;
char cbuf[512];
char *fromname;
struct tab {
const char *name;
short token;
short state;
short implemented; /* 1 if command is implemented */
const char *help;
};
static char * copy(const char *);
#ifdef YYBISON
static void sizecmd(char *filename);
static void help(struct tab *ctab, char *s);
struct tab cmdtab[];
struct tab sitetab[];
#endif
static void
yyerror(const char *msg)
{
perror(msg);
}
#line 126 "ftp.y"
#ifdef YYSTYPE
#undef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
#endif
#ifndef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
typedef union
{
int ival;
char *sval;
} YYSTYPE;
#endif /* !YYSTYPE_IS_DECLARED */
#line 211 "ftp.tab.c"
/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif
/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
# define YYLEX yylex(YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(void)
# define YYLEX yylex()
#endif
/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif
extern int YYPARSE_DECL();
#define NUMBER 257
#define STRING 258
#define A 259
#define B 260
#define C 261
#define E 262
#define F 263
#define I 264
#define L 265
#define N 266
#define P 267
#define R 268
#define S 269
#define T 270
#define SP 271
#define CRLF 272
#define COMMA 273
#define USER 274
#define PASS 275
#define ACCT 276
#define REIN 277
#define QUIT 278
#define PORT 279
#define PASV 280
#define TYPE 281
#define STRU 282
#define MODE 283
#define RETR 284
#define STOR 285
#define APPE 286
#define MLFL 287
#define MAIL 288
#define MSND 289
#define MSOM 290
#define MSAM 291
#define MRSQ 292
#define MRCP 293
#define ALLO 294
#define REST 295
#define RNFR 296
#define RNTO 297
#define ABOR 298
#define DELE 299
#define CWD 300
#define LIST 301
#define NLST 302
#define SITE 303
#define STAT 304
#define HELP 305
#define NOOP 306
#define MKD 307
#define RMD 308
#define PWD 309
#define CDUP 310
#define STOU 311
#define SMNT 312
#define SYST 313
#define SIZE 314
#define MDTM 315
#define UMASK 316
#define IDLE 317
#define CHMOD 318
#define LEXERR 319
#define YYERRCODE 256
static const short ftp_lhs[] = { -1,
0, 0, 0, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 11, 11, 12, 10, 7, 7,
1, 13, 3, 3, 3, 14, 14, 14, 14, 14,
14, 14, 14, 6, 6, 6, 4, 4, 4, 8,
9, 5, 2,
};
static const short ftp_len[] = { 2,
0, 2, 2, 4, 4, 4, 2, 4, 4, 4,
4, 8, 5, 5, 5, 3, 5, 3, 5, 5,
2, 5, 4, 2, 3, 5, 2, 4, 2, 5,
5, 3, 3, 4, 6, 5, 7, 9, 4, 6,
5, 2, 5, 5, 2, 2, 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,
};
static const short ftp_defred[] = { 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
73, 73, 73, 0, 73, 0, 0, 73, 73, 73,
73, 0, 0, 0, 0, 73, 73, 73, 73, 73,
0, 73, 73, 2, 3, 46, 0, 0, 45, 0,
7, 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, 48,
0, 50, 0, 0, 0, 0, 0, 60, 0, 0,
64, 66, 65, 0, 68, 69, 67, 0, 0, 0,
0, 0, 0, 71, 0, 70, 0, 0, 25, 0,
18, 0, 16, 0, 73, 0, 73, 0, 0, 0,
0, 32, 33, 0, 0, 0, 4, 5, 0, 6,
0, 0, 51, 0, 63, 8, 9, 10, 0, 0,
0, 0, 11, 0, 23, 0, 0, 0, 0, 0,
34, 0, 0, 39, 0, 0, 28, 0, 0, 0,
0, 0, 0, 55, 53, 54, 57, 59, 62, 13,
14, 15, 0, 47, 22, 26, 19, 17, 0, 0,
36, 0, 0, 20, 30, 31, 41, 43, 44, 0,
0, 35, 72, 0, 40, 0, 0, 0, 37, 0,
0, 12, 0, 0, 38, 0, 0, 0, 52,
};
static const short ftp_dgoto[] = { 1,
125, 45, 157, 88, 184, 84, 73, 95, 96, 71,
34, 35, 75, 80,
};
static const short ftp_sindex[] = { 0,
-224, -256, -248, -241, -239, -233, -225, -218, -200, -165,
0, 0, 0, -164, 0, -163, -176, 0, 0, 0,
0, -162, -161, -231, -160, 0, 0, 0, 0, 0,
-159, 0, 0, 0, 0, 0, -240, -148, 0, -143,
0, -252, -175, -255, -156, -155, -154, -139, -152, -138,
0, -149, -205, -203, -177, -253, 0, -147, -133, 0,
0, -145, -144, -142, -141, -137, 0, -136, -135, 0,
-140, 0, -134, -132, -130, -131, -128, 0, -254, -127,
0, 0, 0, -126, 0, 0, 0, -125, -138, -138,
-138, -174, -138, 0, -124, 0, -138, -138, 0, -138,
0, -129, 0, -172, 0, -169, 0, -138, -123, -138,
-138, 0, 0, -138, -138, -138, 0, 0, -120, 0,
-246, -246, 0, -118, 0, 0, 0, 0, -122, -121,
-119, -116, 0, -117, 0, -115, -114, -113, -112, -104,
0, -167, -101, 0, -110, -109, 0, -108, -107, -106,
-105, -103, -111, 0, 0, 0, 0, 0, 0, 0,
0, 0, -100, 0, 0, 0, 0, 0, -102, -85,
0, -99, -85, 0, 0, 0, 0, 0, 0, -83,
-82, 0, 0, -96, 0, -94, -95, -93, 0, -138,
-77, 0, -91, -90, 0, -75, -88, -73, 0,
};
static const short ftp_rindex[] = { 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, -84, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, -86, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, -81, -80, 0, -160, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,
};
static const short ftp_gindex[] = { 0,
4, 16, 11, 0, -29, 0, 0, -89, 0, 0,
0, 0, 0, 0,
};
#define YYTABLESIZE 192
static const short ftp_table[] = { 129,
130, 131, 123, 134, 85, 86, 76, 136, 137, 77,
138, 78, 79, 87, 154, 36, 124, 70, 146, 155,
148, 149, 37, 156, 150, 151, 152, 46, 47, 38,
49, 2, 39, 52, 53, 54, 55, 40, 58, 59,
60, 62, 63, 64, 65, 66, 41, 68, 69, 3,
4, 104, 42, 5, 6, 7, 8, 9, 10, 11,
12, 13, 105, 106, 107, 98, 99, 100, 101, 14,
43, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 81, 31, 32,
33, 82, 83, 102, 103, 51, 132, 133, 140, 141,
193, 143, 144, 170, 171, 44, 48, 50, 56, 72,
57, 61, 67, 74, 89, 90, 91, 92, 93, 94,
142, 97, 145, 108, 109, 110, 111, 159, 139, 112,
113, 117, 158, 114, 115, 116, 153, 118, 123, 121,
119, 120, 122, 186, 126, 127, 128, 135, 147, 160,
161, 163, 162, 169, 164, 172, 165, 166, 167, 168,
173, 180, 174, 175, 176, 177, 178, 0, 179, 182,
181, 183, 185, 187, 188, 189, 190, 191, 192, 194,
195, 197, 196, 199, 198, 49, 73, 0, 0, 0,
56, 58,
};
static const short ftp_check[] = { 89,
90, 91, 257, 93, 260, 261, 259, 97, 98, 262,
100, 264, 265, 269, 261, 272, 271, 258, 108, 266,
110, 111, 271, 270, 114, 115, 116, 12, 13, 271,
15, 256, 272, 18, 19, 20, 21, 271, 23, 271,
272, 26, 27, 28, 29, 30, 272, 32, 33, 274,
275, 305, 271, 278, 279, 280, 281, 282, 283, 284,
285, 286, 316, 317, 318, 271, 272, 271, 272, 294,
271, 296, 297, 298, 299, 300, 301, 302, 303, 304,
305, 306, 307, 308, 309, 310, 311, 263, 313, 314,
315, 267, 268, 271, 272, 272, 271, 272, 271, 272,
190, 271, 272, 271, 272, 271, 271, 271, 271, 258,
272, 272, 272, 257, 271, 271, 271, 257, 271, 258,
105, 271, 107, 271, 258, 271, 271, 124, 258, 272,
272, 272, 122, 271, 271, 271, 257, 272, 257, 271,
273, 272, 271, 173, 272, 272, 272, 272, 272, 272,
272, 268, 272, 258, 272, 257, 272, 272, 272, 272,
271, 273, 272, 272, 272, 272, 272, -1, 272, 272,
271, 257, 272, 257, 257, 272, 271, 273, 272, 257,
272, 257, 273, 257, 273, 272, 271, -1, -1, -1,
272, 272,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 319
#if YYDEBUG
static const char *yyname[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"NUMBER","STRING","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",
};
static const char *yyrule[] = {
"$accept : cmd_list",
"cmd_list :",
"cmd_list : cmd_list cmd",
"cmd_list : cmd_list rcmd",
"cmd : USER SP username CRLF",
"cmd : PASS SP password CRLF",
"cmd : PORT SP host_port CRLF",
"cmd : PASV CRLF",
"cmd : TYPE SP type_code CRLF",
"cmd : STRU SP struct_code CRLF",
"cmd : MODE SP mode_code CRLF",
"cmd : ALLO SP NUMBER CRLF",
"cmd : ALLO SP NUMBER SP R SP NUMBER CRLF",
"cmd : RETR check_login SP pathname CRLF",
"cmd : STOR check_login SP pathname CRLF",
"cmd : APPE check_login SP pathname CRLF",
"cmd : NLST check_login CRLF",
"cmd : NLST check_login SP STRING CRLF",
"cmd : LIST check_login CRLF",
"cmd : LIST check_login SP pathname CRLF",
"cmd : STAT check_login SP pathname CRLF",
"cmd : STAT CRLF",
"cmd : DELE check_login SP pathname CRLF",
"cmd : RNTO SP pathname CRLF",
"cmd : ABOR CRLF",
"cmd : CWD check_login CRLF",
"cmd : CWD check_login SP pathname CRLF",
"cmd : HELP CRLF",
"cmd : HELP SP STRING CRLF",
"cmd : NOOP CRLF",
"cmd : MKD check_login SP pathname CRLF",
"cmd : RMD check_login SP pathname CRLF",
"cmd : PWD check_login CRLF",
"cmd : CDUP check_login CRLF",
"cmd : SITE SP HELP CRLF",
"cmd : SITE SP HELP SP STRING CRLF",
"cmd : SITE SP UMASK check_login CRLF",
"cmd : SITE SP UMASK check_login SP octal_number CRLF",
"cmd : SITE SP CHMOD check_login SP octal_number SP pathname CRLF",
"cmd : SITE SP IDLE CRLF",
"cmd : SITE SP IDLE SP NUMBER CRLF",
"cmd : STOU check_login SP pathname CRLF",
"cmd : SYST CRLF",
"cmd : SIZE check_login SP pathname CRLF",
"cmd : MDTM check_login SP pathname CRLF",
"cmd : QUIT CRLF",
"cmd : error CRLF",
"rcmd : RNFR check_login SP pathname CRLF",
"username : STRING",
"password :",
"password : STRING",
"byte_size : NUMBER",
"host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER",
"form_code : N",
"form_code : T",
"form_code : C",
"type_code : A",
"type_code : A SP form_code",
"type_code : E",
"type_code : E SP form_code",
"type_code : I",
"type_code : L",
"type_code : L SP byte_size",
"type_code : L byte_size",
"struct_code : F",
"struct_code : R",
"struct_code : P",
"mode_code : S",
"mode_code : B",
"mode_code : C",
"pathname : pathstring",
"pathstring : STRING",
"octal_number : NUMBER",
"check_login :",
};
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
/* define the initial stack-sizes */
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
#define YYINITSTACKSIZE 500
typedef struct {
unsigned stacksize;
short *s_base;
short *s_mark;
short *s_last;
YYSTYPE *l_base;
YYSTYPE *l_mark;
} YYSTACKDATA;
/* variables for the parser stack */
static YYSTACKDATA yystack;
#line 733 "ftp.y"
#ifdef YYBYACC
extern int YYLEX_DECL();
#endif
extern jmp_buf errcatch;
static void upper(char *);
#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, 0, "(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" },
{ 0, 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> ]" },
{ 0, 0, 0, 0, 0 }
};
static struct tab *
lookup(struct tab *p, char *cmd)
{
for (; p->name != 0; p++)
if (strcmp(cmd, p->name) == 0)
return (p);
return (0);
}
#include <arpa/telnet.h>
/*
* get_line - a hacked up version of fgets to ignore TELNET escape codes.
*/
static char *
get_line(char *s, int n, FILE *iop)
{
register 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++ = (char) c;
if (--n <= 0 || c == '\n')
break;
}
if (c == EOF && cs == s)
return (0);
*cs = '\0';
if (debug)
syslog(LOG_DEBUG, "command: %s", s);
return (s);
}
static void
toolong(int sig)
{
time_t now;
(void) sig;
reply(421,
"Timeout (%d seconds): closing control connection.", timeout);
(void) time(&now);
if (logging) {
syslog(LOG_INFO,
"User %s timed out after %d seconds at %s",
(pw ? pw -> pw_name : "unknown"), timeout, ctime(&now));
}
dologout(1);
}
int
yylex(void)
{
static int cpos, state;
register char *cp, *cp2;
register struct tab *p;
int n;
char c;
for (;;) {
switch (state) {
case CMD:
(void) signal(SIGALRM, toolong);
(void) alarm((unsigned) timeout);
if (get_line(cbuf, sizeof(cbuf)-1, stdin) == 0) {
reply(221, "You could at least say goodbye.");
dologout(0);
}
(void) alarm(0);
#ifdef SETPROCTITLE
if (strncasecmp(cbuf, "PASS", 4) != 0)
setproctitle("%s: %s", proctitle, cbuf);
#endif /* SETPROCTITLE */
if ((cp = strchr(cbuf, '\r'))) {
*cp++ = '\n';
*cp = '\0';
}
if ((cp = strpbrk(cbuf, " \n")))
cpos = (int) (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;
*(const char **)(&yylval) = p->name;
return (p->token);
}
break;
case SITECMD:
if (cbuf[cpos] == ' ') {
cpos++;
return (SP);
}
cp = &cbuf[cpos];
if ((cp2 = strpbrk(cp, " \n")))
cpos = (int) (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;
*(const char **)(&yylval) = 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++;
if (state == OSTR)
state = STR2;
else
++state;
return (SP);
}
break;
case ZSTR2:
if (cbuf[cpos] == '\n') {
state = CMD;
return (CRLF);
}
/* FALLTHROUGH */
case STR2:
cp = &cbuf[cpos];
n = (int) strlen(cp);
cpos += n - 1;
/*
* Make sure the string is nonempty and \n terminated.
*/
if (n > 1 && cbuf[cpos] == '\n') {
cbuf[cpos] = '\0';
*(char **)&yylval = 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.ival = 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.ival = 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);
}
}
static void
upper(char *s)
{
while (*s != '\0') {
if (islower(*s))
*s = toupper(*s);
s++;
}
}
static char *
copy(const char *s)
{
char *p;
p = (char * )malloc(strlen(s) + 1);
if (p == 0)
fatal("Ran out of memory.");
else
(void) strcpy(p, s);
return (p);
}
static void
help(struct tab *ctab, char *s)
{
register struct tab *c;
register 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 != 0; c++) {
int len = (int) strlen(c->name);
if (len > width)
width = len;
NCMDS++;
}
width = (width + 8) &~ 7;
if (s == 0) {
register 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;
assert(c->name != 0);
printf("%s%c", c->name,
c->implemented ? ' ' : '*');
if (c + lines >= &ctab[NCMDS])
break;
w = (int) 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 ||
(stbuf.st_mode&S_IFMT) != S_IFREG)
reply(550, "%s: not a plain file.", filename);
else
#ifdef HAVE_LONG_LONG
reply(213, "%llu", (long long) stbuf.st_size);
#else
reply(213, "%lu", stbuf.st_size);
#endif
break;}
case TYPE_A: {
FILE *fin;
register int c, count;
struct stat stbuf;
fin = fopen(filename, "r");
if (fin == 0) {
perror_reply(550, filename);
return;
}
if (fstat(fileno(fin), &stbuf) < 0 ||
(stbuf.st_mode&S_IFMT) != S_IFREG) {
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, "%ld", count);
break;}
default:
reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]);
}
}
#line 1103 "ftp.tab.c"
#if YYDEBUG
#include <stdio.h> /* needed for printf */
#endif
#include <stdlib.h> /* needed for malloc, etc */
#include <string.h> /* needed for memset */
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
static int yygrowstack(YYSTACKDATA *data)
{
int i;
unsigned newsize;
short *newss;
YYSTYPE *newvs;
if ((newsize = data->stacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return -1;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = (int) (data->s_mark - data->s_base);
newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
if (newss == 0)
return -1;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
if (newvs == 0)
return -1;
data->l_base = newvs;
data->l_mark = newvs + i;
data->stacksize = newsize;
data->s_last = data->s_base + newsize - 1;
return 0;
}
#if YYPURE || defined(YY_NO_LEAKS)
static void yyfreestack(YYSTACKDATA *data)
{
free(data->s_base);
free(data->l_base);
memset(data, 0, sizeof(*data));
}
#else
#define yyfreestack(data) /* nothing */
#endif
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
YYPARSE_DECL()
{
int yym, yyn, yystate;
#if YYDEBUG
const char *yys;
if ((yys = getenv("YYDEBUG")) != 0)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = YYEMPTY;
yystate = 0;
#if YYPURE
memset(&yystack, 0, sizeof(yystack));
#endif
if (yystack.s_base == NULL && yygrowstack(&yystack)) goto yyoverflow;
yystack.s_mark = yystack.s_base;
yystack.l_mark = yystack.l_base;
yystate = 0;
*yystack.s_mark = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
if ((yychar = YYLEX) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
yychar = YYEMPTY;
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag) goto yyinrecovery;
yyerror("syntax error");
goto yyerrlab;
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yystack.s_mark);
#endif
if (yystack.s_mark <= yystack.s_base) goto yyabort;
--yystack.s_mark;
--yystack.l_mark;
}
}
}
else
{
if (yychar == 0) goto yyabort;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = YYEMPTY;
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
if (yym)
yyval = yystack.l_mark[1-yym];
else
memset(&yyval, 0, sizeof yyval);
switch (yyn)
{
case 2:
#line 172 "ftp.y"
{
fromname = (char *) 0;
}
break;
case 4:
#line 179 "ftp.y"
{
user(yystack.l_mark[-1].sval);
free(yystack.l_mark[-1].sval);
}
break;
case 5:
#line 184 "ftp.y"
{
pass(yystack.l_mark[-1].sval);
free(yystack.l_mark[-1].sval);
}
break;
case 6:
#line 189 "ftp.y"
{
usedefault = 0;
if (pdata >= 0) {
(void) close(pdata);
pdata = -1;
}
reply(200, "PORT command successful.");
}
break;
case 7:
#line 198 "ftp.y"
{
passive();
}
break;
case 8:
#line 202 "ftp.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 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 237 "ftp.y"
{
switch (yystack.l_mark[-1].ival) {
case STRU_F:
reply(200, "STRU F ok.");
break;
default:
reply(504, "Unimplemented STRU type.");
}
}
break;
case 10:
#line 249 "ftp.y"
{
switch (yystack.l_mark[-1].ival) {
case MODE_S:
reply(200, "MODE S ok.");
break;
default:
reply(502, "Unimplemented MODE type.");
}
}
break;
case 11:
#line 261 "ftp.y"
{
reply(202, "ALLO command ignored.");
}
break;
case 12:
#line 265 "ftp.y"
{
reply(202, "ALLO command ignored.");
}
break;
case 13:
#line 269 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
retrieve((char *) 0, yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free(yystack.l_mark[-1].sval);
}
break;
case 14:
#line 276 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
store(yystack.l_mark[-1].sval, "w", 0);
if (yystack.l_mark[-1].sval != 0)
free(yystack.l_mark[-1].sval);
}
break;
case 15:
#line 283 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
store(yystack.l_mark[-1].sval, "a", 0);
if (yystack.l_mark[-1].sval != 0)
free(yystack.l_mark[-1].sval);
}
break;
case 16:
#line 290 "ftp.y"
{
if (yystack.l_mark[-1].ival)
send_file_list(".");
}
break;
case 17:
#line 295 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
send_file_list((char *) yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 18:
#line 302 "ftp.y"
{
if (yystack.l_mark[-1].ival)
retrieve("/bin/ls -lgA", "");
}
break;
case 19:
#line 307 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
retrieve("/bin/ls -lgA %s", yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free(yystack.l_mark[-1].sval);
}
break;
case 20:
#line 314 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
statfilecmd(yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free(yystack.l_mark[-1].sval);
}
break;
case 21:
#line 321 "ftp.y"
{
statcmd();
}
break;
case 22:
#line 325 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
remove((char *) yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 23:
#line 332 "ftp.y"
{
if (fromname) {
renamecmd(fromname, (char *) yystack.l_mark[-1].sval);
free(fromname);
fromname = (char *) 0;
} else {
reply(503, "Bad sequence of commands.");
}
free((char *) yystack.l_mark[-1].sval);
}
break;
case 24:
#line 343 "ftp.y"
{
reply(225, "ABOR command successful.");
}
break;
case 25:
#line 347 "ftp.y"
{
if (yystack.l_mark[-1].ival)
cwd(pw->pw_dir);
}
break;
case 26:
#line 352 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
cwd((char *) yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 27:
#line 359 "ftp.y"
{
help(cmdtab, (char *) 0);
}
break;
case 28:
#line 363 "ftp.y"
{
register char *cp = (char *)yystack.l_mark[-1].sval;
if (strncasecmp(cp, "SITE", 4) == 0) {
cp = (char *)yystack.l_mark[-1].sval + 4;
if (*cp == ' ')
cp++;
if (*cp)
help(sitetab, cp);
else
help(sitetab, (char *) 0);
} else
help(cmdtab, (char *) yystack.l_mark[-1].sval);
}
break;
case 29:
#line 378 "ftp.y"
{
reply(200, "NOOP command successful.");
}
break;
case 30:
#line 382 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
makedir((char *) yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 31:
#line 389 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
removedir((char *) yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 32:
#line 396 "ftp.y"
{
if (yystack.l_mark[-1].ival)
pwd();
}
break;
case 33:
#line 401 "ftp.y"
{
if (yystack.l_mark[-1].ival)
cwd("..");
}
break;
case 34:
#line 406 "ftp.y"
{
help(sitetab, (char *) 0);
}
break;
case 35:
#line 410 "ftp.y"
{
help(sitetab, (char *) yystack.l_mark[-1].sval);
}
break;
case 36:
#line 414 "ftp.y"
{
int oldmask;
if (yystack.l_mark[-1].ival) {
oldmask = umask(0);
(void) umask(oldmask);
reply(200, "Current UMASK is %03o", oldmask);
}
}
break;
case 37:
#line 424 "ftp.y"
{
int oldmask;
if (yystack.l_mark[-3].ival) {
if ((yystack.l_mark[-1].ival == -1) || (yystack.l_mark[-1].ival > 0777)) {
reply(501, "Bad UMASK value");
} else {
oldmask = umask(yystack.l_mark[-1].ival);
reply(200,
"UMASK set to %03o (was %03o)",
yystack.l_mark[-1].ival, oldmask);
}
}
}
break;
case 38:
#line 439 "ftp.y"
{
if (yystack.l_mark[-5].ival && (yystack.l_mark[-1].sval != 0)) {
if (yystack.l_mark[-3].ival > 0777)
reply(501,
"CHMOD: Mode value must be between 0 and 0777");
else if (chmod((char *) yystack.l_mark[-1].sval, yystack.l_mark[-3].ival) < 0)
perror_reply(550, (char *) yystack.l_mark[-1].sval);
else
reply(200, "CHMOD command successful.");
}
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 39:
#line 453 "ftp.y"
{
reply(200,
"Current IDLE time limit is %d seconds; max %d",
timeout, maxtimeout);
}
break;
case 40:
#line 459 "ftp.y"
{
if (yystack.l_mark[-1].ival < 30 || yystack.l_mark[-1].ival > maxtimeout) {
reply(501,
"Maximum IDLE time must be between 30 and %d seconds",
maxtimeout);
} else {
timeout = yystack.l_mark[-1].ival;
(void) alarm((unsigned) timeout);
reply(200,
"Maximum IDLE time set to %d seconds",
timeout);
}
}
break;
case 41:
#line 473 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
store((char *) yystack.l_mark[-1].sval, "w", 1);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 42:
#line 480 "ftp.y"
{
#ifdef unix
#ifdef BSD
reply(215, "UNIX Type: L%d Version: BSD-%d",
NBBY, BSD);
#else /* BSD */
reply(215, "UNIX Type: L%d", NBBY);
#endif /* BSD */
#else /* unix */
reply(215, "UNKNOWN Type: L%d", NBBY);
#endif /* unix */
}
break;
case 43:
#line 501 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0)
sizecmd((char *) yystack.l_mark[-1].sval);
if (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 44:
#line 518 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval != 0) {
struct stat stbuf;
if (stat((char *) yystack.l_mark[-1].sval, &stbuf) < 0)
perror_reply(550, "%s", (char *) yystack.l_mark[-1].sval);
else if ((stbuf.st_mode&S_IFMT) != S_IFREG) {
reply(550, "%s: not a plain file.",
(char *) yystack.l_mark[-1].sval);
} else {
register 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 (yystack.l_mark[-1].sval != 0)
free((char *) yystack.l_mark[-1].sval);
}
break;
case 45:
#line 540 "ftp.y"
{
reply(221, "Goodbye.");
dologout(0);
}
break;
case 46:
#line 545 "ftp.y"
{
yyerrok;
}
break;
case 47:
#line 550 "ftp.y"
{
if (yystack.l_mark[-3].ival && yystack.l_mark[-1].sval) {
fromname = renamefrom((char *) yystack.l_mark[-1].sval);
if (fromname == (char *) 0 && yystack.l_mark[-1].sval) {
free((char *) yystack.l_mark[-1].sval);
}
}
}
break;
case 49:
#line 564 "ftp.y"
{
*(const char **)(&(yyval.sval)) = "";
}
break;
case 52:
#line 575 "ftp.y"
{
register char *a, *p;
a = (char *)&data_dest.sin_addr;
a[0] = (char) yystack.l_mark[-10].ival;
a[1] = (char) yystack.l_mark[-8].ival;
a[2] = (char) yystack.l_mark[-6].ival;
a[3] = (char) yystack.l_mark[-4].ival;
p = (char *)&data_dest.sin_port;
p[0] = (char) yystack.l_mark[-2].ival;
p[1] = (char) yystack.l_mark[0].ival;
data_dest.sin_family = AF_INET;
}
break;
case 53:
#line 591 "ftp.y"
{
yyval.ival = FORM_N;
}
break;
case 54:
#line 595 "ftp.y"
{
yyval.ival = FORM_T;
}
break;
case 55:
#line 599 "ftp.y"
{
yyval.ival = FORM_C;
}
break;
case 56:
#line 605 "ftp.y"
{
cmd_type = TYPE_A;
cmd_form = FORM_N;
}
break;
case 57:
#line 610 "ftp.y"
{
cmd_type = TYPE_A;
cmd_form = yystack.l_mark[0].ival;
}
break;
case 58:
#line 615 "ftp.y"
{
cmd_type = TYPE_E;
cmd_form = FORM_N;
}
break;
case 59:
#line 620 "ftp.y"
{
cmd_type = TYPE_E;
cmd_form = yystack.l_mark[0].ival;
}
break;
case 60:
#line 625 "ftp.y"
{
cmd_type = TYPE_I;
}
break;
case 61:
#line 629 "ftp.y"
{
cmd_type = TYPE_L;
cmd_bytesz = NBBY;
}
break;
case 62:
#line 634 "ftp.y"
{
cmd_type = TYPE_L;
cmd_bytesz = yystack.l_mark[0].ival;
}
break;
case 63:
#line 640 "ftp.y"
{
cmd_type = TYPE_L;
cmd_bytesz = yystack.l_mark[0].ival;
}
break;
case 64:
#line 647 "ftp.y"
{
yyval.ival = STRU_F;
}
break;
case 65:
#line 651 "ftp.y"
{
yyval.ival = STRU_R;
}
break;
case 66:
#line 655 "ftp.y"
{
yyval.ival = STRU_P;
}
break;
case 67:
#line 661 "ftp.y"
{
yyval.ival = MODE_S;
}
break;
case 68:
#line 665 "ftp.y"
{
yyval.ival = MODE_B;
}
break;
case 69:
#line 669 "ftp.y"
{
yyval.ival = MODE_C;
}
break;
case 70:
#line 675 "ftp.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 && yystack.l_mark[0].sval && strncmp((char *) yystack.l_mark[0].sval, "~", 1) == 0) {
*(char **)&(yyval.sval) = *glob((char *) yystack.l_mark[0].sval);
if (globerr != 0) {
reply(550, globerr);
yyval.sval = 0;
}
free((char *) yystack.l_mark[0].sval);
} else
yyval.sval = yystack.l_mark[0].sval;
}
break;
case 72:
#line 697 "ftp.y"
{
register 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 = yystack.l_mark[0].ival;
multby = 1;
ret = 0;
while (dec) {
digit = dec%10;
if (digit > 7) {
ret = -1;
break;
}
ret += digit * multby;
multby *= 8;
dec /= 10;
}
yyval.ival = ret;
}
break;
case 73:
#line 722 "ftp.y"
{
if (logged_in)
yyval.ival = 1;
else {
reply(530, "Please login with USER and PASS.");
yyval.ival = 0;
}
}
break;
#line 1950 "ftp.tab.c"
}
yystack.s_mark -= yym;
yystate = *yystack.s_mark;
yystack.l_mark -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yystack.s_mark = YYFINAL;
*++yystack.l_mark = yyval;
if (yychar < 0)
{
if ((yychar = YYLEX) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == 0) goto yyaccept;
goto yyloop;
}
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
*++yystack.s_mark = (short) yystate;
*++yystack.l_mark = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
yyfreestack(&yystack);
return (1);
yyaccept:
yyfreestack(&yystack);
return (0);
}
|