1744 lines
39 KiB
C
1744 lines
39 KiB
C
#ifndef lint
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static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
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#endif
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#define YYBYACC 1
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#define YYMAJOR 1
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#define YYMINOR 9
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#define yyclearin (yychar=(-1))
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#define yyerrok (yyerrflag=0)
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#define YYRECOVERING (yyerrflag!=0)
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#define YYPREFIX "yy"
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#line 26 "ftp.y"
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#ifndef lint
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static char sccsid[] = "@(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/ftp.h>
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#include <stdio.h>
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#include <signal.h>
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#include <ctype.h>
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#include <pwd.h>
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#include <setjmp.h>
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#include <syslog.h>
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#include <sys/stat.h>
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#include <time.h>
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extern struct sockaddr_in data_dest;
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extern int logged_in;
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extern struct passwd *pw;
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extern int guest;
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extern int logging;
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extern int type;
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extern int form;
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extern int debug;
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extern int timeout;
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extern int maxtimeout;
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extern int pdata;
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extern char hostname[], remotehost[];
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extern char proctitle[];
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extern char *globerr;
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extern int usedefault;
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extern int transflag;
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extern char tmpline[];
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char **glob();
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static int cmd_type;
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static int cmd_form;
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static int cmd_bytesz;
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char cbuf[512];
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char *fromname;
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char *index();
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#line 60 "ftp.tab.c"
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#define A 257
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#define B 258
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#define C 259
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#define E 260
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#define F 261
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#define I 262
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#define L 263
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#define N 264
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#define P 265
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#define R 266
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#define S 267
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#define T 268
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#define SP 269
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#define CRLF 270
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#define COMMA 271
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#define STRING 272
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#define NUMBER 273
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#define USER 274
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#define PASS 275
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#define ACCT 276
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#define REIN 277
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#define QUIT 278
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#define PORT 279
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#define PASV 280
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#define TYPE 281
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#define STRU 282
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#define MODE 283
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#define RETR 284
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#define STOR 285
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#define APPE 286
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#define MLFL 287
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#define MAIL 288
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#define MSND 289
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#define MSOM 290
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#define MSAM 291
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#define MRSQ 292
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#define MRCP 293
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#define ALLO 294
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#define REST 295
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#define RNFR 296
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#define RNTO 297
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#define ABOR 298
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#define DELE 299
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#define CWD 300
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#define LIST 301
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#define NLST 302
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#define SITE 303
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#define STAT 304
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#define HELP 305
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#define NOOP 306
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#define MKD 307
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#define RMD 308
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#define PWD 309
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#define CDUP 310
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#define STOU 311
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#define SMNT 312
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#define SYST 313
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#define SIZE 314
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#define MDTM 315
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#define UMASK 316
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#define IDLE 317
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#define CHMOD 318
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#define LEXERR 319
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#define YYERRCODE 256
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short yylhs[] = { -1,
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0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 2, 3, 4, 4,
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12, 5, 13, 13, 13, 6, 6, 6, 6, 6,
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6, 6, 6, 7, 7, 7, 8, 8, 8, 10,
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14, 11, 9,
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};
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short yylen[] = { 2,
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0, 2, 2, 4, 4, 4, 2, 4, 4, 4,
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4, 8, 5, 5, 5, 3, 5, 3, 5, 5,
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2, 5, 4, 2, 3, 5, 2, 4, 2, 5,
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5, 3, 3, 4, 6, 5, 7, 9, 4, 6,
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5, 2, 5, 5, 2, 2, 5, 1, 0, 1,
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1, 11, 1, 1, 1, 1, 3, 1, 3, 1,
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1, 3, 2, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 0,
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};
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short yydefred[] = { 1,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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73, 73, 73, 0, 73, 0, 0, 73, 73, 73,
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73, 0, 0, 0, 0, 73, 73, 73, 73, 73,
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0, 73, 73, 2, 3, 46, 0, 0, 45, 0,
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7, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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24, 0, 0, 0, 0, 0, 21, 0, 0, 27,
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29, 0, 0, 0, 0, 0, 42, 0, 0, 48,
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0, 50, 0, 0, 0, 0, 0, 60, 0, 0,
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64, 66, 65, 0, 68, 69, 67, 0, 0, 0,
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0, 0, 0, 71, 0, 70, 0, 0, 25, 0,
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18, 0, 16, 0, 73, 0, 73, 0, 0, 0,
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0, 32, 33, 0, 0, 0, 4, 5, 0, 6,
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0, 0, 0, 51, 63, 8, 9, 10, 0, 0,
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0, 0, 11, 0, 23, 0, 0, 0, 0, 0,
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34, 0, 0, 39, 0, 0, 28, 0, 0, 0,
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0, 0, 0, 55, 53, 54, 57, 59, 62, 13,
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14, 15, 0, 47, 22, 26, 19, 17, 0, 0,
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36, 0, 0, 20, 30, 31, 41, 43, 44, 0,
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0, 35, 72, 0, 40, 0, 0, 0, 37, 0,
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0, 12, 0, 0, 38, 0, 0, 0, 52,
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};
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short yydgoto[] = { 1,
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34, 35, 71, 73, 75, 80, 84, 88, 45, 95,
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184, 125, 157, 96,
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};
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short yysindex[] = { 0,
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-224, -247, -239, -236, -232, -222, -204, -200, -181, -177,
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0, 0, 0, -166, 0, -161, -199, 0, 0, 0,
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0, -160, -159, -264, -158, 0, 0, 0, 0, 0,
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-157, 0, 0, 0, 0, 0, -167, -162, 0, -156,
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0, -250, -198, -165, -155, -154, -153, -151, -150, -152,
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0, -145, -252, -229, -217, -302, 0, -144, -146, 0,
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0, -142, -141, -140, -139, -137, 0, -136, -135, 0,
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-134, 0, -133, -132, -130, -131, -128, 0, -249, -127,
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0, 0, 0, -126, 0, 0, 0, -125, -152, -152,
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-152, -205, -152, 0, -124, 0, -152, -152, 0, -152,
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0, -143, 0, -173, 0, -171, 0, -152, -123, -152,
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-152, 0, 0, -152, -152, -152, 0, 0, -138, 0,
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-164, -164, -122, 0, 0, 0, 0, 0, -121, -120,
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-118, -148, 0, -117, 0, -116, -115, -114, -113, -112,
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0, -163, -111, 0, -110, -109, 0, -107, -106, -105,
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-104, -103, -129, 0, 0, 0, 0, 0, 0, 0,
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0, 0, -101, 0, 0, 0, 0, 0, -100, -102,
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0, -98, -102, 0, 0, 0, 0, 0, 0, -99,
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-97, 0, 0, -95, 0, -96, -94, -92, 0, -152,
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-93, 0, -91, -90, 0, -88, -87, -86, 0,
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};
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short yyrindex[] = { 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, -83, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, -82, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, -81, -80, 0, -158, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0,
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};
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short yygindex[] = { 0,
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0, 0, 0, 0, 0, 0, 0, 0, 16, -89,
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-25, 35, 47, 0,
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};
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#define YYTABLESIZE 190
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short yytable[] = { 129,
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130, 131, 104, 134, 59, 60, 76, 136, 137, 77,
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138, 78, 79, 105, 106, 107, 98, 99, 146, 123,
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148, 149, 36, 124, 150, 151, 152, 46, 47, 37,
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49, 2, 38, 52, 53, 54, 55, 39, 58, 100,
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101, 62, 63, 64, 65, 66, 40, 68, 69, 3,
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4, 102, 103, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 81, 132, 133, 41, 82, 83, 42, 14,
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51, 15, 16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 43, 31, 32,
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33, 44, 85, 86, 154, 140, 141, 143, 144, 155,
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193, 87, 48, 156, 70, 170, 171, 50, 56, 72,
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57, 61, 67, 89, 90, 91, 74, 163, 93, 94,
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142, 92, 145, 97, 108, 109, 110, 111, 139, 112,
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113, 114, 115, 116, 153, 117, 118, 121, 119, 120,
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122, 180, 126, 127, 128, 135, 147, 186, 160, 161,
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124, 162, 164, 165, 166, 167, 168, 159, 173, 169,
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174, 172, 175, 176, 177, 178, 179, 181, 158, 182,
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183, 185, 190, 187, 189, 188, 191, 192, 195, 194,
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196, 0, 0, 198, 197, 73, 199, 49, 56, 58,
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};
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short yycheck[] = { 89,
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90, 91, 305, 93, 269, 270, 257, 97, 98, 260,
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100, 262, 263, 316, 317, 318, 269, 270, 108, 269,
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110, 111, 270, 273, 114, 115, 116, 12, 13, 269,
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15, 256, 269, 18, 19, 20, 21, 270, 23, 269,
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270, 26, 27, 28, 29, 30, 269, 32, 33, 274,
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275, 269, 270, 278, 279, 280, 281, 282, 283, 284,
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285, 286, 261, 269, 270, 270, 265, 266, 269, 294,
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270, 296, 297, 298, 299, 300, 301, 302, 303, 304,
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305, 306, 307, 308, 309, 310, 311, 269, 313, 314,
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315, 269, 258, 259, 259, 269, 270, 269, 270, 264,
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190, 267, 269, 268, 272, 269, 270, 269, 269, 272,
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270, 270, 270, 269, 269, 269, 273, 266, 269, 272,
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105, 273, 107, 269, 269, 272, 269, 269, 272, 270,
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270, 269, 269, 269, 273, 270, 270, 269, 271, 270,
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269, 271, 270, 270, 270, 270, 270, 173, 270, 270,
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273, 270, 270, 270, 270, 270, 270, 123, 269, 272,
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270, 273, 270, 270, 270, 270, 270, 269, 122, 270,
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273, 270, 269, 273, 270, 273, 271, 270, 270, 273,
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271, -1, -1, 271, 273, 269, 273, 270, 270, 270,
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};
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#define YYFINAL 1
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#ifndef YYDEBUG
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#define YYDEBUG 0
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#endif
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#define YYMAXTOKEN 319
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#if YYDEBUG
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char *yyname[] = {
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"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,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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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",
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"P","R","S","T","SP","CRLF","COMMA","STRING","NUMBER","USER","PASS","ACCT",
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"REIN","QUIT","PORT","PASV","TYPE","STRU","MODE","RETR","STOR","APPE","MLFL",
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"MAIL","MSND","MSOM","MSAM","MRSQ","MRCP","ALLO","REST","RNFR","RNTO","ABOR",
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"DELE","CWD","LIST","NLST","SITE","STAT","HELP","NOOP","MKD","RMD","PWD","CDUP",
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"STOU","SMNT","SYST","SIZE","MDTM","UMASK","IDLE","CHMOD","LEXERR",
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};
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char *yyrule[] = {
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"$accept : cmd_list",
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"cmd_list :",
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"cmd_list : cmd_list cmd",
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"cmd_list : cmd_list rcmd",
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"cmd : USER SP username CRLF",
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"cmd : PASS SP password CRLF",
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"cmd : PORT SP host_port CRLF",
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"cmd : PASV CRLF",
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"cmd : TYPE SP type_code CRLF",
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"cmd : STRU SP struct_code CRLF",
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"cmd : MODE SP mode_code CRLF",
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"cmd : ALLO SP NUMBER CRLF",
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"cmd : ALLO SP NUMBER SP R SP NUMBER CRLF",
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"cmd : RETR check_login SP pathname CRLF",
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"cmd : STOR check_login SP pathname CRLF",
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"cmd : APPE check_login SP pathname CRLF",
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"cmd : NLST check_login CRLF",
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"cmd : NLST check_login SP STRING CRLF",
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"cmd : LIST check_login CRLF",
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"cmd : LIST check_login SP pathname CRLF",
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"cmd : STAT check_login SP pathname CRLF",
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"cmd : STAT CRLF",
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"cmd : DELE check_login SP pathname CRLF",
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"cmd : RNTO SP pathname CRLF",
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"cmd : ABOR CRLF",
|
|
"cmd : CWD check_login CRLF",
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|
"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",
|
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"form_code : T",
|
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"form_code : C",
|
|
"type_code : A",
|
|
"type_code : A SP form_code",
|
|
"type_code : E",
|
|
"type_code : E SP form_code",
|
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"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",
|
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"pathstring : STRING",
|
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"octal_number : NUMBER",
|
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"check_login :",
|
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};
|
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#endif
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#ifndef YYSTYPE
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typedef int YYSTYPE;
|
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#endif
|
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#ifdef YYSTACKSIZE
|
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#undef YYMAXDEPTH
|
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#define YYMAXDEPTH YYSTACKSIZE
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#else
|
|
#ifdef YYMAXDEPTH
|
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#define YYSTACKSIZE YYMAXDEPTH
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#else
|
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#define YYSTACKSIZE 500
|
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#define YYMAXDEPTH 500
|
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#endif
|
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#endif
|
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int yydebug;
|
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int yynerrs;
|
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int yyerrflag;
|
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int yychar;
|
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short *yyssp;
|
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YYSTYPE *yyvsp;
|
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YYSTYPE yyval;
|
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YYSTYPE yylval;
|
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short yyss[YYSTACKSIZE];
|
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YYSTYPE yyvs[YYSTACKSIZE];
|
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#define yystacksize YYSTACKSIZE
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#line 658 "ftp.y"
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|
|
extern jmp_buf errcatch;
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|
|
#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, "%lu", 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,
|
|
"19%02d%02d%02d%02d%02d%02d",
|
|
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);
|
|
}
|