NetBSD-5.0.2/usr.bin/yacc/test/ftp.tab.c
#ifndef lint
/*static char yysccsid[] = "from: @(#)yaccpar 1.9 (Berkeley) 02/21/93";*/
static char rcsid[] = "$NetBSD: ftp.tab.c,v 1.7 2001/01/04 23:05:57 lukem Exp $";
#endif
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define yyclearin (yychar=(-1))
#define yyerrok (yyerrflag=0)
#define YYRECOVERING (yyerrflag!=0)
#define YYPREFIX "yy"
#line 26 "ftp.y"
#ifndef lint
static char sccsid[] = "@(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89";
#endif /* not lint */
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/ftp.h>
#include <stdio.h>
#include <signal.h>
#include <ctype.h>
#include <pwd.h>
#include <setjmp.h>
#include <syslog.h>
#include <sys/stat.h>
#include <time.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 char *globerr;
extern int usedefault;
extern int transflag;
extern char tmpline[];
char **glob();
static int cmd_type;
static int cmd_form;
static int cmd_bytesz;
char cbuf[512];
char *fromname;
char *index();
#line 60 "ftp.tab.c"
#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 STRING 272
#define NUMBER 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
short yylhs[] = { -1,
0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 2, 3, 4, 4,
12, 5, 13, 13, 13, 6, 6, 6, 6, 6,
6, 6, 6, 7, 7, 7, 8, 8, 8, 10,
14, 11, 9,
};
short yylen[] = { 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,
};
short yydefred[] = { 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, 0, 51, 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,
};
short yydgoto[] = { 1,
34, 35, 71, 73, 75, 80, 84, 88, 45, 95,
184, 125, 157, 96,
};
short yysindex[] = { 0,
-224, -247, -239, -236, -232, -222, -204, -200, -181, -177,
0, 0, 0, -166, 0, -161, -199, 0, 0, 0,
0, -160, -159, -264, -158, 0, 0, 0, 0, 0,
-157, 0, 0, 0, 0, 0, -167, -162, 0, -156,
0, -250, -198, -165, -155, -154, -153, -151, -150, -152,
0, -145, -252, -229, -217, -302, 0, -144, -146, 0,
0, -142, -141, -140, -139, -137, 0, -136, -135, 0,
-134, 0, -133, -132, -130, -131, -128, 0, -249, -127,
0, 0, 0, -126, 0, 0, 0, -125, -152, -152,
-152, -205, -152, 0, -124, 0, -152, -152, 0, -152,
0, -143, 0, -173, 0, -171, 0, -152, -123, -152,
-152, 0, 0, -152, -152, -152, 0, 0, -138, 0,
-164, -164, -122, 0, 0, 0, 0, 0, -121, -120,
-118, -148, 0, -117, 0, -116, -115, -114, -113, -112,
0, -163, -111, 0, -110, -109, 0, -107, -106, -105,
-104, -103, -129, 0, 0, 0, 0, 0, 0, 0,
0, 0, -101, 0, 0, 0, 0, 0, -100, -102,
0, -98, -102, 0, 0, 0, 0, 0, 0, -99,
-97, 0, 0, -95, 0, -96, -94, -92, 0, -152,
-93, 0, -91, -90, 0, -88, -87, -86, 0,
};
short yyrindex[] = { 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, -83, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, -82, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 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, -158, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,
};
short yygindex[] = { 0,
0, 0, 0, 0, 0, 0, 0, 0, 16, -89,
-25, 35, 47, 0,
};
#define YYTABLESIZE 190
short yytable[] = { 129,
130, 131, 104, 134, 59, 60, 76, 136, 137, 77,
138, 78, 79, 105, 106, 107, 98, 99, 146, 123,
148, 149, 36, 124, 150, 151, 152, 46, 47, 37,
49, 2, 38, 52, 53, 54, 55, 39, 58, 100,
101, 62, 63, 64, 65, 66, 40, 68, 69, 3,
4, 102, 103, 5, 6, 7, 8, 9, 10, 11,
12, 13, 81, 132, 133, 41, 82, 83, 42, 14,
51, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 43, 31, 32,
33, 44, 85, 86, 154, 140, 141, 143, 144, 155,
193, 87, 48, 156, 70, 170, 171, 50, 56, 72,
57, 61, 67, 89, 90, 91, 74, 163, 93, 94,
142, 92, 145, 97, 108, 109, 110, 111, 139, 112,
113, 114, 115, 116, 153, 117, 118, 121, 119, 120,
122, 180, 126, 127, 128, 135, 147, 186, 160, 161,
124, 162, 164, 165, 166, 167, 168, 159, 173, 169,
174, 172, 175, 176, 177, 178, 179, 181, 158, 182,
183, 185, 190, 187, 189, 188, 191, 192, 195, 194,
196, 0, 0, 198, 197, 73, 199, 49, 56, 58,
};
short yycheck[] = { 89,
90, 91, 305, 93, 269, 270, 257, 97, 98, 260,
100, 262, 263, 316, 317, 318, 269, 270, 108, 269,
110, 111, 270, 273, 114, 115, 116, 12, 13, 269,
15, 256, 269, 18, 19, 20, 21, 270, 23, 269,
270, 26, 27, 28, 29, 30, 269, 32, 33, 274,
275, 269, 270, 278, 279, 280, 281, 282, 283, 284,
285, 286, 261, 269, 270, 270, 265, 266, 269, 294,
270, 296, 297, 298, 299, 300, 301, 302, 303, 304,
305, 306, 307, 308, 309, 310, 311, 269, 313, 314,
315, 269, 258, 259, 259, 269, 270, 269, 270, 264,
190, 267, 269, 268, 272, 269, 270, 269, 269, 272,
270, 270, 270, 269, 269, 269, 273, 266, 269, 272,
105, 273, 107, 269, 269, 272, 269, 269, 272, 270,
270, 269, 269, 269, 273, 270, 270, 269, 271, 270,
269, 271, 270, 270, 270, 270, 270, 173, 270, 270,
273, 270, 270, 270, 270, 270, 270, 123, 269, 272,
270, 273, 270, 270, 270, 270, 270, 269, 122, 270,
273, 270, 269, 273, 270, 273, 271, 270, 270, 273,
271, -1, -1, 271, 273, 269, 273, 270, 270, 270,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 319
#if YYDEBUG
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,"A","B","C","E","F","I","L","N",
"P","R","S","T","SP","CRLF","COMMA","STRING","NUMBER","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",
};
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
#ifndef YYSTYPE
typedef int YYSTYPE;
#endif
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short yyss[YYSTACKSIZE];
YYSTYPE yyvs[YYSTACKSIZE];
#define yystacksize YYSTACKSIZE
#line 658 "ftp.y"
extern jmp_buf errcatch;
#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 {
char *name;
short token;
short state;
short implemented; /* 1 if command is implemented */
char *help;
};
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" },
{ 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 }
};
struct tab *
lookup(p, cmd)
register 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 *
getline(s, n, iop)
char *s;
register FILE *iop;
{
register 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)
syslog(LOG_DEBUG, "command: %s", s);
return (s);
}
static int
toolong()
{
time_t now;
extern char *ctime();
extern time_t time();
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);
}
yylex()
{
static int cpos, state;
register char *cp, *cp2;
register struct tab *p;
int n;
char c, *strpbrk();
char *copy();
for (;;) {
switch (state) {
case CMD:
(void) signal(SIGALRM, toolong);
(void) alarm((unsigned) timeout);
if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) {
reply(221, "You could at least say goodbye.");
dologout(0);
}
(void) alarm(0);
#ifdef SETPROCTITLE
if (strncasecmp(cbuf, "PASS", 4) != NULL)
setproctitle("%s: %s", proctitle, cbuf);
#endif /* SETPROCTITLE */
if ((cp = index(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;
*(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 = 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;
*(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++;
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';
*(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 = 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 = 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);
}
}
upper(s)
register char *s;
{
while (*s != '\0') {
if (islower(*s))
*s = toupper(*s);
s++;
}
}
char *
copy(s)
char *s;
{
char *p;
extern char *malloc(), *strcpy();
p = malloc((unsigned) strlen(s) + 1);
if (p == NULL)
fatal("Ran out of memory.");
(void) strcpy(p, s);
return (p);
}
help(ctab, s)
struct tab *ctab;
char *s;
{
register struct tab *c;
register int width, NCMDS;
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) {
register 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);
}
sizecmd(filename)
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
reply(213, "%llu", (long long)stbuf.st_size);
break;}
case TYPE_A: {
FILE *fin;
register int c, count;
struct stat stbuf;
fin = fopen(filename, "r");
if (fin == NULL) {
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 908 "ftp.tab.c"
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
yyparse()
{
register int yym, yyn, yystate;
#if YYDEBUG
register char *yys;
extern char *getenv();
if (yys = getenv("YYDEBUG"))
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = (-1);
yyssp = yyss;
yyvsp = yyvs;
*yyssp = yystate = 0;
yyloop:
if (yyn = yydefred[yystate]) 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 (yyssp >= yyss + yystacksize - 1)
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
yychar = (-1);
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;
#ifdef lint
goto yynewerror;
#endif
yynewerror:
yyerror("syntax error");
#ifdef lint
goto yyerrlab;
#endif
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yyssp);
#endif
if (yyssp <= yyss) goto yyabort;
--yyssp;
--yyvsp;
}
}
}
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 = (-1);
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];
yyval = yyvsp[1-yym];
switch (yyn)
{
case 2:
#line 99 "ftp.y"
{
fromname = (char *) 0;
}
break;
case 4:
#line 106 "ftp.y"
{
user((char *) yyvsp[-1]);
free((char *) yyvsp[-1]);
}
break;
case 5:
#line 111 "ftp.y"
{
pass((char *) yyvsp[-1]);
free((char *) yyvsp[-1]);
}
break;
case 6:
#line 116 "ftp.y"
{
usedefault = 0;
if (pdata >= 0) {
(void) close(pdata);
pdata = -1;
}
reply(200, "PORT command successful.");
}
break;
case 7:
#line 125 "ftp.y"
{
passive();
}
break;
case 8:
#line 129 "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 164 "ftp.y"
{
switch (yyvsp[-1]) {
case STRU_F:
reply(200, "STRU F ok.");
break;
default:
reply(504, "Unimplemented STRU type.");
}
}
break;
case 10:
#line 176 "ftp.y"
{
switch (yyvsp[-1]) {
case MODE_S:
reply(200, "MODE S ok.");
break;
default:
reply(502, "Unimplemented MODE type.");
}
}
break;
case 11:
#line 188 "ftp.y"
{
reply(202, "ALLO command ignored.");
}
break;
case 12:
#line 192 "ftp.y"
{
reply(202, "ALLO command ignored.");
}
break;
case 13:
#line 196 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
retrieve((char *) 0, (char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 14:
#line 203 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
store((char *) yyvsp[-1], "w", 0);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 15:
#line 210 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
store((char *) yyvsp[-1], "a", 0);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 16:
#line 217 "ftp.y"
{
if (yyvsp[-1])
send_file_list(".");
}
break;
case 17:
#line 222 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
send_file_list((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 18:
#line 229 "ftp.y"
{
if (yyvsp[-1])
retrieve("/bin/ls -lgA", "");
}
break;
case 19:
#line 234 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
retrieve("/bin/ls -lgA %s", (char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 20:
#line 241 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
statfilecmd((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 21:
#line 248 "ftp.y"
{
statcmd();
}
break;
case 22:
#line 252 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
delete((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 23:
#line 259 "ftp.y"
{
if (fromname) {
renamecmd(fromname, (char *) yyvsp[-1]);
free(fromname);
fromname = (char *) 0;
} else {
reply(503, "Bad sequence of commands.");
}
free((char *) yyvsp[-1]);
}
break;
case 24:
#line 270 "ftp.y"
{
reply(225, "ABOR command successful.");
}
break;
case 25:
#line 274 "ftp.y"
{
if (yyvsp[-1])
cwd(pw->pw_dir);
}
break;
case 26:
#line 279 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
cwd((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 27:
#line 286 "ftp.y"
{
help(cmdtab, (char *) 0);
}
break;
case 28:
#line 290 "ftp.y"
{
register char *cp = (char *)yyvsp[-1];
if (strncasecmp(cp, "SITE", 4) == 0) {
cp = (char *)yyvsp[-1] + 4;
if (*cp == ' ')
cp++;
if (*cp)
help(sitetab, cp);
else
help(sitetab, (char *) 0);
} else
help(cmdtab, (char *) yyvsp[-1]);
}
break;
case 29:
#line 305 "ftp.y"
{
reply(200, "NOOP command successful.");
}
break;
case 30:
#line 309 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
makedir((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 31:
#line 316 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
removedir((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 32:
#line 323 "ftp.y"
{
if (yyvsp[-1])
pwd();
}
break;
case 33:
#line 328 "ftp.y"
{
if (yyvsp[-1])
cwd("..");
}
break;
case 34:
#line 333 "ftp.y"
{
help(sitetab, (char *) 0);
}
break;
case 35:
#line 337 "ftp.y"
{
help(sitetab, (char *) yyvsp[-1]);
}
break;
case 36:
#line 341 "ftp.y"
{
int oldmask;
if (yyvsp[-1]) {
oldmask = umask(0);
(void) umask(oldmask);
reply(200, "Current UMASK is %03o", oldmask);
}
}
break;
case 37:
#line 351 "ftp.y"
{
int oldmask;
if (yyvsp[-3]) {
if ((yyvsp[-1] == -1) || (yyvsp[-1] > 0777)) {
reply(501, "Bad UMASK value");
} else {
oldmask = umask(yyvsp[-1]);
reply(200,
"UMASK set to %03o (was %03o)",
yyvsp[-1], oldmask);
}
}
}
break;
case 38:
#line 366 "ftp.y"
{
if (yyvsp[-5] && (yyvsp[-1] != NULL)) {
if (yyvsp[-3] > 0777)
reply(501,
"CHMOD: Mode value must be between 0 and 0777");
else if (chmod((char *) yyvsp[-1], yyvsp[-3]) < 0)
perror_reply(550, (char *) yyvsp[-1]);
else
reply(200, "CHMOD command successful.");
}
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 39:
#line 380 "ftp.y"
{
reply(200,
"Current IDLE time limit is %d seconds; max %d",
timeout, maxtimeout);
}
break;
case 40:
#line 386 "ftp.y"
{
if (yyvsp[-1] < 30 || yyvsp[-1] > maxtimeout) {
reply(501,
"Maximum IDLE time must be between 30 and %d seconds",
maxtimeout);
} else {
timeout = yyvsp[-1];
(void) alarm((unsigned) timeout);
reply(200,
"Maximum IDLE time set to %d seconds",
timeout);
}
}
break;
case 41:
#line 400 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
store((char *) yyvsp[-1], "w", 1);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 42:
#line 407 "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 428 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL)
sizecmd((char *) yyvsp[-1]);
if (yyvsp[-1] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 44:
#line 445 "ftp.y"
{
if (yyvsp[-3] && yyvsp[-1] != NULL) {
struct stat stbuf;
if (stat((char *) yyvsp[-1], &stbuf) < 0)
perror_reply(550, "%s", (char *) yyvsp[-1]);
else if ((stbuf.st_mode&S_IFMT) != S_IFREG) {
reply(550, "%s: not a plain file.",
(char *) yyvsp[-1]);
} else {
register struct tm *t;
struct tm *gmtime();
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] != NULL)
free((char *) yyvsp[-1]);
}
break;
case 45:
#line 467 "ftp.y"
{
reply(221, "Goodbye.");
dologout(0);
}
break;
case 46:
#line 472 "ftp.y"
{
yyerrok;
}
break;
case 47:
#line 477 "ftp.y"
{
char *renamefrom();
if (yyvsp[-3] && yyvsp[-1]) {
fromname = renamefrom((char *) yyvsp[-1]);
if (fromname == (char *) 0 && yyvsp[-1]) {
free((char *) yyvsp[-1]);
}
}
}
break;
case 49:
#line 493 "ftp.y"
{
*(char **)&(yyval) = "";
}
break;
case 52:
#line 504 "ftp.y"
{
register char *a, *p;
a = (char *)&data_dest.sin_addr;
a[0] = yyvsp[-10]; a[1] = yyvsp[-8]; a[2] = yyvsp[-6]; a[3] = yyvsp[-4];
p = (char *)&data_dest.sin_port;
p[0] = yyvsp[-2]; p[1] = yyvsp[0];
data_dest.sin_family = AF_INET;
}
break;
case 53:
#line 516 "ftp.y"
{
yyval = FORM_N;
}
break;
case 54:
#line 520 "ftp.y"
{
yyval = FORM_T;
}
break;
case 55:
#line 524 "ftp.y"
{
yyval = FORM_C;
}
break;
case 56:
#line 530 "ftp.y"
{
cmd_type = TYPE_A;
cmd_form = FORM_N;
}
break;
case 57:
#line 535 "ftp.y"
{
cmd_type = TYPE_A;
cmd_form = yyvsp[0];
}
break;
case 58:
#line 540 "ftp.y"
{
cmd_type = TYPE_E;
cmd_form = FORM_N;
}
break;
case 59:
#line 545 "ftp.y"
{
cmd_type = TYPE_E;
cmd_form = yyvsp[0];
}
break;
case 60:
#line 550 "ftp.y"
{
cmd_type = TYPE_I;
}
break;
case 61:
#line 554 "ftp.y"
{
cmd_type = TYPE_L;
cmd_bytesz = NBBY;
}
break;
case 62:
#line 559 "ftp.y"
{
cmd_type = TYPE_L;
cmd_bytesz = yyvsp[0];
}
break;
case 63:
#line 565 "ftp.y"
{
cmd_type = TYPE_L;
cmd_bytesz = yyvsp[0];
}
break;
case 64:
#line 572 "ftp.y"
{
yyval = STRU_F;
}
break;
case 65:
#line 576 "ftp.y"
{
yyval = STRU_R;
}
break;
case 66:
#line 580 "ftp.y"
{
yyval = STRU_P;
}
break;
case 67:
#line 586 "ftp.y"
{
yyval = MODE_S;
}
break;
case 68:
#line 590 "ftp.y"
{
yyval = MODE_B;
}
break;
case 69:
#line 594 "ftp.y"
{
yyval = MODE_C;
}
break;
case 70:
#line 600 "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 && yyvsp[0] && strncmp((char *) yyvsp[0], "~", 1) == 0) {
*(char **)&(yyval) = *glob((char *) yyvsp[0]);
if (globerr != NULL) {
reply(550, globerr);
yyval = NULL;
}
free((char *) yyvsp[0]);
} else
yyval = yyvsp[0];
}
break;
case 72:
#line 622 "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 = yyvsp[0];
multby = 1;
ret = 0;
while (dec) {
digit = dec%10;
if (digit > 7) {
ret = -1;
break;
}
ret += digit * multby;
multby *= 8;
dec /= 10;
}
yyval = ret;
}
break;
case 73:
#line 647 "ftp.y"
{
if (logged_in)
yyval = 1;
else {
reply(530, "Please login with USER and PASS.");
yyval = 0;
}
}
break;
#line 1688 "ftp.tab.c"
}
yyssp -= yym;
yystate = *yyssp;
yyvsp -= 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;
*++yyssp = YYFINAL;
*++yyvsp = 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, *yyssp, yystate);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
goto yyoverflow;
}
*++yyssp = yystate;
*++yyvsp = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
return (1);
yyaccept:
return (0);
}