home *** CD-ROM | disk | FTP | other *** search
-
- /* A Bison parser, made from ftpcmd.y with Bison version GNU Bison version 1.22
- */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define A 258
- #define B 259
- #define C 260
- #define E 261
- #define F 262
- #define I 263
- #define L 264
- #define N 265
- #define P 266
- #define R 267
- #define S 268
- #define T 269
- #define SP 270
- #define CRLF 271
- #define COMMA 272
- #define STRING 273
- #define NUMBER 274
- #define USER 275
- #define PASS 276
- #define ACCT 277
- #define REIN 278
- #define QUIT 279
- #define PORT 280
- #define PASV 281
- #define TYPE 282
- #define STRU 283
- #define MODE 284
- #define RETR 285
- #define STOR 286
- #define APPE 287
- #define MLFL 288
- #define MAIL 289
- #define MSND 290
- #define MSOM 291
- #define MSAM 292
- #define MRSQ 293
- #define MRCP 294
- #define ALLO 295
- #define REST 296
- #define RNFR 297
- #define RNTO 298
- #define ABOR 299
- #define DELE 300
- #define CWD 301
- #define LIST 302
- #define NLST 303
- #define SITE 304
- #define STAT 305
- #define HELP 306
- #define NOOP 307
- #define MKD 308
- #define RMD 309
- #define PWD 310
- #define CDUP 311
- #define STOU 312
- #define SMNT 313
- #define SYST 314
- #define SIZE 315
- #define MDTM 316
- #define UMASK 317
- #define IDLE 318
- #define CHMOD 319
- #define GROUP 320
- #define GPASS 321
- #define NEWER 322
- #define MINFO 323
- #define INDEX 324
- #define EXEC 325
- #define ALIAS 326
- #define CDPATH 327
- #define GROUPS 328
- #define LEXERR 329
-
- #line 41 "ftpcmd.y"
-
-
- #ifndef lint
- static char sccsid[] = "@(#)ftpcmd.y 5.24 (Berkeley) 2/25/91";
- #endif /* not lint */
-
- #include "config.h"
- #include <sys/param.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <sys/stat.h>
- #include <netinet/in.h>
- #include <arpa/ftp.h>
- #include <stdio.h>
- #include <signal.h>
- #include <ctype.h>
- #include <pwd.h>
- #include <setjmp.h>
- #ifdef SYSSYSLOG
- #include <sys/syslog.h>
- #else
- #include <syslog.h>
- #endif
- #include <time.h>
- #include <string.h>
- #include <limits.h>
- #ifdef AMIGA
- #include "ftw.h"
- #else
- #include "support/ftw.h"
- #endif
- #include "extensions.h"
- #include "pathnames.h"
-
- extern int dolreplies;
- extern char ls_long[50];
- extern char ls_short[50];
- extern struct sockaddr_in data_dest;
- extern int logged_in;
- extern struct passwd *pw;
- extern int anonymous;
- extern int logging;
- extern int log_commands;
- extern int type;
- extern int form;
- extern int debug;
- extern int timeout;
- extern int maxtimeout;
- extern int pdata;
- extern char hostname[], remotehost[];
- #ifdef SETPROCTITLE
- extern char proctitle[];
- #endif
- extern char *globerr;
- extern int usedefault;
- extern int transflag;
- extern char tmpline[];
- extern int data;
- char **ftpglob();
- off_t restart_point;
-
- extern char *strunames[];
- extern char *typenames[];
- extern char *modenames[];
- extern char *formnames[];
-
- static int cmd_type;
- static int cmd_form;
- static int cmd_bytesz;
- char cbuf[512];
- char *fromname;
-
-
- struct tab {
- char *name;
- short token;
- short state;
- short implemented; /* 1 if command is implemented */
- char *help;
- } cmdtab[], sitetab[];
-
- #ifdef AMIGA
- extern int kludge;
- #endif
-
- void print_groups();
-
- static void toolong();
-
-
- #line 151 "ftpcmd.y"
- typedef union {
- char *String;
- int Number;
- } YYSTYPE;
-
- #ifndef YYLTYPE
- typedef
- struct yyltype
- {
- int timestamp;
- int first_line;
- int first_column;
- int last_line;
- int last_column;
- char *text;
- }
- yyltype;
-
- #define YYLTYPE yyltype
- #endif
-
- #include <stdio.h>
-
- #ifndef __cplusplus
- #ifndef __STDC__
- #define const
- #endif
- #endif
-
-
-
- #define YYFINAL 249
- #define YYFLAG -32768
- #define YYNTBASE 75
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 329 ? yytranslate[x] : 90)
-
- static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
- 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
- 56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
- 66, 67, 68, 69, 70, 71, 72, 73, 74
- };
-
- #if YYDEBUG != 0
- static const short yyprhs[] = { 0,
- 0, 1, 4, 7, 12, 17, 22, 25, 30, 35,
- 40, 45, 54, 60, 66, 72, 76, 82, 86, 92,
- 98, 101, 107, 112, 115, 119, 125, 128, 133, 136,
- 142, 148, 152, 156, 161, 168, 174, 182, 192, 197,
- 204, 212, 220, 228, 238, 248, 256, 264, 270, 273,
- 279, 285, 288, 291, 297, 302, 307, 314, 319, 324,
- 326, 327, 329, 331, 343, 345, 347, 349, 351, 355,
- 357, 361, 363, 365, 369, 372, 374, 376, 378, 380,
- 382, 384, 386, 388, 390
- };
-
- static const short yyrhs[] = { -1,
- 75, 76, 0, 75, 77, 0, 20, 15, 78, 16,
- 0, 21, 15, 79, 16, 0, 25, 15, 81, 16,
- 0, 26, 16, 0, 27, 15, 83, 16, 0, 28,
- 15, 84, 16, 0, 29, 15, 85, 16, 0, 40,
- 15, 19, 16, 0, 40, 15, 19, 15, 12, 15,
- 19, 16, 0, 30, 89, 15, 86, 16, 0, 31,
- 89, 15, 86, 16, 0, 32, 89, 15, 86, 16,
- 0, 48, 89, 16, 0, 48, 89, 15, 18, 16,
- 0, 47, 89, 16, 0, 47, 89, 15, 86, 16,
- 0, 50, 89, 15, 86, 16, 0, 50, 16, 0,
- 45, 89, 15, 86, 16, 0, 43, 15, 86, 16,
- 0, 44, 16, 0, 46, 89, 16, 0, 46, 89,
- 15, 86, 16, 0, 51, 16, 0, 51, 15, 18,
- 16, 0, 52, 16, 0, 53, 89, 15, 86, 16,
- 0, 54, 89, 15, 86, 16, 0, 55, 89, 16,
- 0, 56, 89, 16, 0, 49, 15, 51, 16, 0,
- 49, 15, 51, 15, 18, 16, 0, 49, 15, 62,
- 89, 16, 0, 49, 15, 62, 89, 15, 88, 16,
- 0, 49, 15, 64, 89, 15, 88, 15, 86, 16,
- 0, 49, 15, 63, 16, 0, 49, 15, 63, 15,
- 19, 16, 0, 49, 15, 65, 89, 15, 78, 16,
- 0, 49, 15, 66, 89, 15, 79, 16, 0, 49,
- 15, 67, 89, 15, 18, 16, 0, 49, 15, 67,
- 89, 15, 18, 15, 86, 16, 0, 49, 15, 68,
- 89, 15, 18, 15, 86, 16, 0, 49, 15, 69,
- 89, 15, 18, 16, 0, 49, 15, 70, 89, 15,
- 18, 16, 0, 57, 89, 15, 86, 16, 0, 59,
- 16, 0, 60, 89, 15, 86, 16, 0, 61, 89,
- 15, 86, 16, 0, 24, 16, 0, 1, 16, 0,
- 42, 89, 15, 86, 16, 0, 41, 15, 80, 16,
- 0, 49, 15, 71, 16, 0, 49, 15, 71, 15,
- 18, 16, 0, 49, 15, 73, 16, 0, 49, 15,
- 72, 16, 0, 18, 0, 0, 18, 0, 19, 0,
- 19, 17, 19, 17, 19, 17, 19, 17, 19, 17,
- 19, 0, 10, 0, 14, 0, 5, 0, 3, 0,
- 3, 15, 82, 0, 6, 0, 6, 15, 82, 0,
- 8, 0, 9, 0, 9, 15, 80, 0, 9, 80,
- 0, 7, 0, 12, 0, 11, 0, 13, 0, 4,
- 0, 5, 0, 87, 0, 18, 0, 19, 0, 0
- };
-
- #endif
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 164, 165, 170, 173, 179, 190, 200, 205, 241, 254,
- 267, 272, 277, 285, 293, 301, 311, 319, 328, 339,
- 347, 352, 360, 372, 377, 383, 391, 396, 412, 417,
- 425, 433, 439, 445, 450, 455, 466, 490, 515, 522,
- 537, 545, 553, 562, 568, 574, 587, 593, 601, 627,
- 645, 672, 678, 683, 696, 707, 712, 717, 722, 729,
- 732, 737, 740, 743, 756, 760, 764, 770, 775, 780,
- 785, 790, 794, 799, 805, 812, 816, 820, 826, 830,
- 834, 840, 859, 862, 887
- };
-
- static const char * const yytname[] = { "$","error","$illegal.","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","GROUP",
- "GPASS","NEWER","MINFO","INDEX","EXEC","ALIAS","CDPATH","GROUPS","LEXERR","cmd_list",
- "cmd","rcmd","username","password","byte_size","host_port","form_code","type_code",
- "struct_code","mode_code","pathname","pathstring","octal_number","check_login",
- ""
- };
- #endif
-
- static const short yyr1[] = { 0,
- 75, 75, 75, 76, 76, 76, 76, 76, 76, 76,
- 76, 76, 76, 76, 76, 76, 76, 76, 76, 76,
- 76, 76, 76, 76, 76, 76, 76, 76, 76, 76,
- 76, 76, 76, 76, 76, 76, 76, 76, 76, 76,
- 76, 76, 76, 76, 76, 76, 76, 76, 76, 76,
- 76, 76, 76, 77, 77, 77, 77, 77, 77, 78,
- 79, 79, 80, 81, 82, 82, 82, 83, 83, 83,
- 83, 83, 83, 83, 83, 84, 84, 84, 85, 85,
- 85, 86, 87, 88, 89
- };
-
- static const short yyr2[] = { 0,
- 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,
- 7, 7, 7, 9, 9, 7, 7, 5, 2, 5,
- 5, 2, 2, 5, 4, 4, 6, 4, 4, 1,
- 0, 1, 1, 11, 1, 1, 1, 1, 3, 1,
- 3, 1, 1, 3, 2, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 0
- };
-
- static const short yydefact[] = { 1,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 85, 85, 85, 0, 0, 85, 0, 0, 85, 85,
- 85, 85, 0, 85, 0, 0, 85, 85, 85, 85,
- 85, 0, 85, 85, 2, 3, 53, 0, 61, 52,
- 0, 7, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 24, 0, 0, 0, 0, 0, 21, 0,
- 0, 27, 29, 0, 0, 0, 0, 0, 49, 0,
- 0, 60, 0, 62, 0, 0, 0, 68, 70, 72,
- 73, 0, 76, 78, 77, 0, 80, 81, 79, 0,
- 0, 0, 0, 0, 63, 0, 0, 83, 0, 82,
- 0, 0, 25, 0, 18, 0, 16, 0, 85, 0,
- 85, 85, 85, 85, 85, 85, 85, 0, 0, 0,
- 0, 0, 0, 0, 32, 33, 0, 0, 0, 4,
- 5, 0, 6, 0, 0, 0, 75, 8, 9, 10,
- 0, 0, 0, 0, 11, 55, 0, 23, 0, 0,
- 0, 0, 0, 34, 0, 0, 39, 0, 0, 0,
- 0, 0, 0, 0, 0, 56, 59, 58, 0, 28,
- 0, 0, 0, 0, 0, 0, 67, 65, 66, 69,
- 71, 74, 13, 14, 15, 0, 54, 22, 26, 19,
- 17, 0, 0, 36, 0, 0, 0, 61, 0, 0,
- 0, 0, 0, 20, 30, 31, 48, 50, 51, 0,
- 0, 35, 84, 0, 40, 0, 0, 0, 0, 0,
- 0, 0, 57, 0, 0, 37, 0, 41, 42, 0,
- 43, 0, 46, 47, 0, 12, 0, 0, 0, 0,
- 38, 44, 45, 0, 0, 0, 64, 0, 0
- };
-
- static const short yydefgoto[] = { 1,
- 35, 36, 73, 75, 96, 77, 180, 82, 86, 90,
- 99, 100, 214, 46
- };
-
- static const short yypact[] = {-32768,
- 48, -12, -8, -3, 15, 19, 26, 39, 70, 95,
- -32768,-32768,-32768, 99, 108,-32768, 109, 100,-32768,-32768,
- -32768,-32768, 110, 111, 13, 112,-32768,-32768,-32768,-32768,
- -32768, 113,-32768,-32768,-32768,-32768,-32768, 114, 115,-32768,
- 107,-32768, 78, 34, 22, 116, 119, 120, 118, 130,
- 123, 132,-32768, 136, 24, 41, 51, -48,-32768, 137,
- 135,-32768,-32768, 139, 140, 141, 142, 144,-32768, 145,
- 146,-32768, 147,-32768, 148, 149, 151, 150, 153,-32768,
- -10, 154,-32768,-32768,-32768, 155,-32768,-32768,-32768, 156,
- 132, 132, 132, 55,-32768, 157, 132,-32768, 158,-32768,
- 132, 132,-32768, 132,-32768, 138,-32768, 67,-32768, 97,
- -32768,-32768,-32768,-32768,-32768,-32768,-32768, 102, 159, 160,
- 132, 161, 132, 132,-32768,-32768, 132, 132, 132,-32768,
- -32768, 143,-32768, 101, 101, 130,-32768,-32768,-32768,-32768,
- 162, 163, 164, 169,-32768,-32768, 166,-32768, 167, 168,
- 170, 171, 172,-32768, 104, 173,-32768, 174, 176, 178,
- 179, 180, 181, 182, 183,-32768,-32768,-32768, 184,-32768,
- 186, 187, 188, 189, 190, 152,-32768,-32768,-32768,-32768,
- -32768,-32768,-32768,-32768,-32768, 192,-32768,-32768,-32768,-32768,
- -32768, 193, 191,-32768, 195, 191, 114, 115, 194, 196,
- 197, 198, 201,-32768,-32768,-32768,-32768,-32768,-32768, 199,
- 200,-32768,-32768, 204,-32768, 206, 207, 208, 106, 210,
- 211, 212,-32768, 205, 213,-32768, 132,-32768,-32768, 132,
- -32768, 132,-32768,-32768, 214,-32768, 215, 216, 218, 209,
- -32768,-32768,-32768, 217, 220, 219,-32768, 185,-32768
- };
-
- static const short yypgoto[] = {-32768,
- -32768,-32768, -67, 0, -73,-32768, 53,-32768,-32768,-32768,
- -91,-32768, 3, 31
- };
-
-
- #define YYLAST 238
-
-
- static const short yytable[] = { 141,
- 142, 143, 108, 37, 136, 147, 38, 137, 95, 149,
- 150, 39, 151, 109, 110, 111, 112, 113, 114, 115,
- 116, 117, 118, 119, 120, 87, 88, 61, 62, 169,
- 40, 171, 172, 41, 89, 173, 174, 175, 102, 103,
- 83, 42, 47, 48, 84, 85, 51, 248, 2, 54,
- 55, 56, 57, 43, 60, 104, 105, 64, 65, 66,
- 67, 68, 182, 70, 71, 106, 107, 3, 4, 144,
- 145, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 78, 153, 154, 79, 44, 80, 81, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
- 27, 28, 29, 30, 31, 177, 32, 33, 34, 45,
- 178, 156, 157, 49, 179, 53, 165, 166, 193, 194,
- 230, 231, 50, 52, 58, 76, 59, 63, 69, 217,
- 91, 72, 74, 92, 93, 237, 94, 97, 238, 155,
- 239, 158, 159, 160, 161, 162, 163, 164, 95, 98,
- 101, 121, 122, 123, 124, 152, 125, 126, 127, 128,
- 129, 176, 130, 131, 134, 132, 133, 135, 210, 138,
- 139, 140, 146, 148, 167, 168, 170, 183, 184, 185,
- 186, 187, 188, 189, 249, 190, 191, 181, 196, 192,
- 197, 195, 198, 199, 200, 201, 202, 218, 216, 204,
- 203, 205, 206, 207, 208, 209, 211, 0, 212, 213,
- 215, 219, 0, 220, 221, 222, 223, 224, 225, 226,
- 227, 235, 228, 229, 232, 244, 233, 234, 236, 0,
- 241, 242, 240, 243, 0, 245, 246, 247
- };
-
- static const short yycheck[] = { 91,
- 92, 93, 51, 16, 15, 97, 15, 81, 19, 101,
- 102, 15, 104, 62, 63, 64, 65, 66, 67, 68,
- 69, 70, 71, 72, 73, 4, 5, 15, 16, 121,
- 16, 123, 124, 15, 13, 127, 128, 129, 15, 16,
- 7, 16, 12, 13, 11, 12, 16, 0, 1, 19,
- 20, 21, 22, 15, 24, 15, 16, 27, 28, 29,
- 30, 31, 136, 33, 34, 15, 16, 20, 21, 15,
- 16, 24, 25, 26, 27, 28, 29, 30, 31, 32,
- 3, 15, 16, 6, 15, 8, 9, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
- 53, 54, 55, 56, 57, 5, 59, 60, 61, 15,
- 10, 15, 16, 15, 14, 16, 15, 16, 15, 16,
- 15, 16, 15, 15, 15, 19, 16, 16, 16, 197,
- 15, 18, 18, 15, 15, 227, 19, 15, 230, 109,
- 232, 111, 112, 113, 114, 115, 116, 117, 19, 18,
- 15, 15, 18, 15, 15, 18, 16, 16, 15, 15,
- 15, 19, 16, 16, 15, 17, 16, 15, 17, 16,
- 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
- 12, 16, 16, 16, 0, 16, 16, 135, 15, 18,
- 15, 19, 15, 15, 15, 15, 15, 198, 196, 16,
- 18, 16, 16, 16, 16, 16, 15, -1, 16, 19,
- 16, 18, -1, 18, 18, 18, 16, 19, 19, 16,
- 15, 17, 16, 16, 15, 17, 16, 16, 16, -1,
- 16, 16, 19, 16, -1, 19, 17, 19
- };
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/gnu/lib/bison.simple"
-
- /* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- #ifndef alloca
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else /* not GNU C. */
- #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
- #include <alloca.h>
- #else /* not sparc */
- #if defined (MSDOS) && !defined (__TURBOC__)
- #include <malloc.h>
- #else /* not MSDOS, or __TURBOC__ */
- #if defined(_AIX)
- #include <malloc.h>
- #pragma alloca
- #else /* not MSDOS, __TURBOC__, or _AIX */
- #ifdef __hpux
- #ifdef __cplusplus
- extern "C" {
- void *alloca (unsigned int);
- };
- #else /* not __cplusplus */
- void *alloca ();
- #endif /* not __cplusplus */
- #endif /* __hpux */
- #endif /* not _AIX */
- #endif /* not MSDOS, or __TURBOC__ */
- #endif /* not sparc. */
- #endif /* not GNU C. */
- #endif /* alloca not defined. */
-
- /* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
- /* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
- #define yyerrok (yyerrstatus = 0)
- #define yyclearin (yychar = YYEMPTY)
- #define YYEMPTY -2
- #define YYEOF 0
- #define YYACCEPT return(0)
- #define YYABORT return(1)
- #define YYERROR goto yyerrlab1
- /* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
- #define YYFAIL goto yyerrlab
- #define YYRECOVERING() (!!yyerrstatus)
- #define YYBACKUP(token, value) \
- do \
- if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
- while (0)
-
- #define YYTERROR 1
- #define YYERRCODE 256
-
- #ifndef YYPURE
- #define YYLEX yylex()
- #endif
-
- #ifdef YYPURE
- #ifdef YYLSP_NEEDED
- #define YYLEX yylex(&yylval, &yylloc)
- #else
- #define YYLEX yylex(&yylval)
- #endif
- #endif
-
- /* If nonreentrant, generate the variables here */
-
- #ifndef YYPURE
-
- int yychar; /* the lookahead symbol */
- YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
- #endif
-
- int yynerrs; /* number of parse errors so far */
- #endif /* not YYPURE */
-
- #if YYDEBUG != 0
- int yydebug; /* nonzero means print parse trace */
- /* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
- #endif
-
- /* YYINITDEPTH indicates the initial size of the parser's stacks */
-
- #ifndef YYINITDEPTH
- #define YYINITDEPTH 200
- #endif
-
- /* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-
- #if YYMAXDEPTH == 0
- #undef YYMAXDEPTH
- #endif
-
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 10000
- #endif
-
- /* Prevent warning if -Wstrict-prototypes. */
- #ifdef __GNUC__
- int yyparse (void);
- #endif
-
- #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
- #define __yy_bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
- #else /* not GNU C or C++ */
- #ifndef __cplusplus
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_bcopy (from, to, count)
- char *from;
- char *to;
- int count;
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #else /* __cplusplus */
-
- /* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
- static void
- __yy_bcopy (char *from, char *to, int count)
- {
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
- }
-
- #endif
- #endif
-
- #line 184 "/gnu/lib/bison.simple"
- int
- yyparse()
- {
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
-
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-
- #ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-
- #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yyssp--)
- #endif
-
- int yystacksize = YYINITDEPTH;
-
- #ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
- #ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
- #endif
- #endif
-
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
-
- int yylen;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
- #endif
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
-
- yyssp = yyss - 1;
- yyvsp = yyvs;
- #ifdef YYLSP_NEEDED
- yylsp = yyls;
- #endif
-
- /* Push a new state, which is found in yystate . */
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
- yynewstate:
-
- *++yyssp = yystate;
-
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
- #ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- #endif
-
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
-
- #ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
- #ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
- #else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
- #endif
-
- yyss = yyss1; yyvs = yyvs1;
- #ifdef YYLSP_NEEDED
- yyls = yyls1;
- #endif
- #else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
- }
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
- #ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
- #endif
- #endif /* no yyoverflow */
-
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
- #ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
- #endif
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
- #endif
-
- goto yybackup;
- yybackup:
-
- /* Do appropriate processing given the current state. */
- /* Read a lookahead token if we need one and don't already have one. */
- /* yyresume: */
-
- /* First try to decide what to do without reference to lookahead token. */
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
- if (yychar == YYEMPTY)
- {
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
- #endif
- yychar = YYLEX;
- }
-
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
- #endif
- }
- else
- {
- yychar1 = YYTRANSLATE(yychar);
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
- #ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
- #endif
- fprintf (stderr, ")\n");
- }
- #endif
- }
-
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
-
- yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrlab;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- /* Shift the lookahead token. */
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
- #endif
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
-
- yystate = yyn;
- goto yynewstate;
-
- /* Do the default action for the current state. */
- yydefault:
-
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
-
- /* Do a reduction. yyn is the number of a rule to reduce with. */
- yyreduce:
- yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- int i;
-
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 2:
- #line 166 "ftpcmd.y"
- {
- fromname = 0;
- restart_point = 0;
- ;
- break;}
- case 4:
- #line 174 "ftpcmd.y"
- {
- user(yyvsp[-1].String);
- if (log_commands) syslog(LOG_INFO, "USER %s", yyvsp[-1].String);
- free(yyvsp[-1].String);
- ;
- break;}
- case 5:
- #line 180 "ftpcmd.y"
- {
- if (log_commands)
- if (anonymous)
- syslog(LOG_INFO, "PASS %s", yyvsp[-1].String);
- else
- syslog(LOG_INFO, "PASS password");
-
- pass(yyvsp[-1].String);
- free(yyvsp[-1].String);
- ;
- break;}
- case 6:
- #line 191 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "PORT");
- usedefault = 0;
- if (pdata >= 0) {
- (void) close(pdata);
- pdata = -1;
- }
- reply(200, "PORT command successful.");
- ;
- break;}
- case 7:
- #line 201 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "PASV");
- passive();
- ;
- break;}
- case 8:
- #line 206 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "TYPE %s", typenames[cmd_type]);
- 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 242 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "STRU %s", strunames[yyvsp[-1].Number]);
- switch (yyvsp[-1].Number) {
-
- case STRU_F:
- reply(200, "STRU F ok.");
- break;
-
- default:
- reply(504, "Unimplemented STRU type.");
- }
- ;
- break;}
- case 10:
- #line 255 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "MODE %s", modenames[yyvsp[-1].Number]);
- switch (yyvsp[-1].Number) {
-
- case MODE_S:
- reply(200, "MODE S ok.");
- break;
-
- default:
- reply(502, "Unimplemented MODE type.");
- }
- ;
- break;}
- case 11:
- #line 268 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "ALLO %d", yyvsp[-1].Number);
- reply(202, "ALLO command ignored.");
- ;
- break;}
- case 12:
- #line 273 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "ALLO %d R %d", yyvsp[-5].Number, yyvsp[-1].Number);
- reply(202, "ALLO command ignored.");
- ;
- break;}
- case 13:
- #line 278 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "RETR %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- retrieve((char *) NULL, yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 14:
- #line 286 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "STOR %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- store(yyvsp[-1].String, "w", 0);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 15:
- #line 294 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "APPE %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- store(yyvsp[-1].String, "a", 0);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 16:
- #line 302 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "NLST");
- if (yyvsp[-1].Number)
- #ifndef AMIGA
- send_file_list(".");
- #else
- send_file_list("");
- #endif
- ;
- break;}
- case 17:
- #line 312 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "NLST %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String) {
- send_file_list(yyvsp[-1].String);
- free(yyvsp[-1].String);
- }
- ;
- break;}
- case 18:
- #line 320 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "LIST");
- if (yyvsp[-1].Number)
- if (anonymous && dolreplies)
- retrieve(ls_long, "");
- else
- retrieve(ls_short, "");
- ;
- break;}
- case 19:
- #line 329 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "LIST %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- if (anonymous && dolreplies)
- retrieve(ls_long, yyvsp[-1].String);
- else
- retrieve(ls_short, yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 20:
- #line 340 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "STAT %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- statfilecmd(yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 21:
- #line 348 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "STAT");
- statcmd();
- ;
- break;}
- case 22:
- #line 353 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "DELE %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- delete(yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 23:
- #line 361 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "RNTO %s", yyvsp[-1].String);
- if (fromname) {
- renamecmd(fromname, yyvsp[-1].String);
- free(fromname);
- fromname = (char *) NULL;
- } else {
- reply(503, "Bad sequence of commands.");
- }
- free(yyvsp[-1].String);
- ;
- break;}
- case 24:
- #line 373 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "ABOR");
- reply(225, "ABOR command successful.");
- ;
- break;}
- case 25:
- #line 378 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "CWD");
- if (yyvsp[-1].Number)
- cwd(pw->pw_dir);
- ;
- break;}
- case 26:
- #line 384 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "CWD %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- cwd(yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 27:
- #line 392 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "HELP");
- help(cmdtab, (char *) NULL);
- ;
- break;}
- case 28:
- #line 397 "ftpcmd.y"
- {
- register char *cp = (char *)yyvsp[-1].String;
-
- if (log_commands) syslog(LOG_INFO, "HELP %s", yyvsp[-1].String);
- if (strncasecmp(cp, "SITE", 4) == 0) {
- cp = (char *)yyvsp[-1].String + 4;
- if (*cp == ' ')
- cp++;
- if (*cp)
- help(sitetab, cp);
- else
- help(sitetab, (char *) NULL);
- } else
- help(cmdtab, yyvsp[-1].String);
- ;
- break;}
- case 29:
- #line 413 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "NOOP");
- reply(200, "NOOP command successful.");
- ;
- break;}
- case 30:
- #line 418 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "MKD %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- makedir(yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 31:
- #line 426 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "RMD %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String != NULL)
- removedir(yyvsp[-1].String);
- if (yyvsp[-1].String != NULL)
- free(yyvsp[-1].String);
- ;
- break;}
- case 32:
- #line 434 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "PWD");
- if (yyvsp[-1].Number)
- pwd();
- ;
- break;}
- case 33:
- #line 440 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "CDUP");
- if (yyvsp[-1].Number)
- cwd("..");
- ;
- break;}
- case 34:
- #line 446 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE HELP");
- help(sitetab, (char *) NULL);
- ;
- break;}
- case 35:
- #line 451 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE HELP %s", yyvsp[-1].String);
- help(sitetab, yyvsp[-1].String);
- ;
- break;}
- case 36:
- #line 456 "ftpcmd.y"
- {
- mode_t oldmask;
-
- if (log_commands) syslog(LOG_INFO, "SITE UMASK");
- if (yyvsp[-1].Number) {
- oldmask = umask(0);
- (void) umask(oldmask);
- reply(200, "Current UMASK is %03o", oldmask);
- }
- ;
- break;}
- case 37:
- #line 467 "ftpcmd.y"
- {
- mode_t oldmask;
- struct aclmember *entry = NULL;
- int ok = 1;
-
- if (log_commands) syslog(LOG_INFO, "SITE UMASK %d", yyvsp[-1].Number);
- if (yyvsp[-3].Number) {
- /* check for umask permission */
- while (getaclentry("umask", &entry) && ARG0 && ARG1 != NULL) {
- if (type_match(ARG1))
- if (*ARG0 == 'n') ok = 0;
- }
- if (ok) {
- if ((yyvsp[-1].Number == -1) || (yyvsp[-1].Number > 0777)) {
- reply(501, "Bad UMASK value");
- } else {
- oldmask = umask((mode_t)yyvsp[-1].Number);
- reply(200, "UMASK set to %03o (was %03o)", yyvsp[-1].Number, oldmask);
- }
- } else
- reply(553, "Permission denied. (umask)");
- }
- ;
- break;}
- case 38:
- #line 491 "ftpcmd.y"
- {
- struct aclmember *entry = NULL;
- int ok = 1;
-
- if (log_commands) syslog(LOG_INFO, "SITE CHMOD %d %s", yyvsp[-3].Number, yyvsp[-1].String);
- if (yyvsp[-5].Number && yyvsp[-3].Number && yyvsp[-1].String) {
- /* check for chmod permission */
- while (getaclentry("chmod", &entry) && ARG0 && ARG1 != NULL) {
- if (type_match(ARG1))
- if (*ARG0 == 'n') ok = 0;
- }
- if (ok) {
- if (yyvsp[-3].Number > 0777)
- reply(501,
- "CHMOD: Mode value must be between 0 and 0777");
- else if (chmod(yyvsp[-1].String, (mode_t) yyvsp[-3].Number) < 0)
- perror_reply(550, yyvsp[-1].String);
- else
- reply(200, "CHMOD command successful.");
- free(yyvsp[-1].String);
- } else
- reply(553, "Permission denied. (chmod)");
- }
- ;
- break;}
- case 39:
- #line 516 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE IDLE");
- reply(200,
- "Current IDLE time limit is %d seconds; max %d",
- timeout, maxtimeout);
- ;
- break;}
- case 40:
- #line 523 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE IDLE %d", yyvsp[-1].Number);
- if (yyvsp[-1].Number < 30 || yyvsp[-1].Number > maxtimeout) {
- reply(501,
- "Maximum IDLE time must be between 30 and %d seconds",
- maxtimeout);
- } else {
- timeout = yyvsp[-1].Number;
- #ifndef AMIGA
- (void) alarm((unsigned) timeout);
- #endif
- reply(200, "Maximum IDLE time set to %d seconds", timeout);
- }
- ;
- break;}
- case 41:
- #line 538 "ftpcmd.y"
- {
- #ifndef NO_PRIVATE
- if (log_commands) syslog(LOG_INFO, "SITE GROUP %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String) priv_group(yyvsp[-1].String);
- free(yyvsp[-1].String);
- #endif /* !NO_PRIVATE */
- ;
- break;}
- case 42:
- #line 546 "ftpcmd.y"
- {
- #ifndef NO_PRIVATE
- if (log_commands) syslog(LOG_INFO, "SITE GPASS password");
- if (yyvsp[-3].Number && yyvsp[-1].String) priv_gpass(yyvsp[-1].String);
- free(yyvsp[-1].String);
- #endif /* !NO_PRIVATE */
- ;
- break;}
- case 43:
- #line 554 "ftpcmd.y"
- {
- #ifndef AMIGA
- if (yyvsp[-3].Number && yyvsp[-1].String) newer(yyvsp[-1].String, ".", 0);
- #else
- if (yyvsp[-3].Number && yyvsp[-1].String) newer(yyvsp[-1].String, "", 0);
- #endif
- free(yyvsp[-1].String);
- ;
- break;}
- case 44:
- #line 563 "ftpcmd.y"
- {
- if (yyvsp[-5].Number && yyvsp[-3].String && yyvsp[-1].String) newer(yyvsp[-3].String, yyvsp[-1].String, 0);
- free(yyvsp[-3].String);
- free(yyvsp[-1].String);
- ;
- break;}
- case 45:
- #line 569 "ftpcmd.y"
- {
- if (yyvsp[-5].Number && yyvsp[-3].String && yyvsp[-1].String) newer(yyvsp[-3].String, yyvsp[-1].String, 1);
- free(yyvsp[-3].String);
- free(yyvsp[-1].String);
- ;
- break;}
- case 46:
- #line 575 "ftpcmd.y"
- {
- /* this is just for backward compatibility since we
- * thought of INDEX before we thought of EXEC
- */
- if (yyvsp[-3].Number != 0 && yyvsp[-1].String != NULL) {
- char buf[MAXPATHLEN];
- if (strlen(yyvsp[-1].String) + 7 <= sizeof(buf)) {
- sprintf(buf, "index %s", (char*)yyvsp[-1].String);
- (void) site_exec(buf);
- }
- }
- ;
- break;}
- case 47:
- #line 588 "ftpcmd.y"
- {
- if (yyvsp[-3].Number != 0 && yyvsp[-1].String != NULL) {
- (void) site_exec((char*)yyvsp[-1].String);
- }
- ;
- break;}
- case 48:
- #line 594 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "STOU %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String) {
- store(yyvsp[-1].String, "w", 1);
- free(yyvsp[-1].String);
- }
- ;
- break;}
- case 49:
- #line 602 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SYST");
- #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 */
- #ifdef AMIGA
- reply(215, "AMIGA Type: L%d", NBBY);
- #else
- reply(215, "UNKNOWN Type: L%d", NBBY);
- #endif
- #endif /* unix */
- ;
- break;}
- case 50:
- #line 628 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SIZE %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String) {
- sizecmd(yyvsp[-1].String);
- free(yyvsp[-1].String);
- }
- ;
- break;}
- case 51:
- #line 646 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "MDTM %s", yyvsp[-1].String);
- if (yyvsp[-3].Number && yyvsp[-1].String) {
- struct stat stbuf;
-
- if (stat(yyvsp[-1].String, &stbuf) < 0)
- perror_reply(550, yyvsp[-1].String);
- else if (
- #ifdef AMIGA
- !kludge &&
- #endif
- (stbuf.st_mode&S_IFMT) != S_IFREG) {
- reply(550, "%s: not a plain file.",
- yyvsp[-1].String);
- } 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);
- }
- free(yyvsp[-1].String);
- }
- ;
- break;}
- case 52:
- #line 673 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "QUIT");
- reply(221, "Goodbye.");
- dologout(0);
- ;
- break;}
- case 53:
- #line 679 "ftpcmd.y"
- {
- yyerrok;
- ;
- break;}
- case 54:
- #line 684 "ftpcmd.y"
- {
- char *renamefrom();
-
- if (log_commands) syslog(LOG_INFO, "RNFR %s", yyvsp[-1].String);
- restart_point = (off_t) 0;
- if (yyvsp[-3].Number && yyvsp[-1].String) {
- fromname = renamefrom(yyvsp[-1].String);
- if (fromname == 0 && yyvsp[-1].String) {
- free(yyvsp[-1].String);
- }
- }
- ;
- break;}
- case 55:
- #line 697 "ftpcmd.y"
- {
- long atol();
-
- fromname = 0;
- restart_point = yyvsp[-1].Number;
- if (log_commands) syslog(LOG_INFO, "REST %d", restart_point);
- reply(350, "Restarting at %ld. %s", restart_point,
- "Send STORE or RETRIEVE to initiate transfer.");
- ;
- break;}
- case 56:
- #line 708 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE ALIAS");
- alias ((char *)NULL);
- ;
- break;}
- case 57:
- #line 713 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE ALIAS %s", yyvsp[-1].String);
- alias (yyvsp[-1].String);
- ;
- break;}
- case 58:
- #line 718 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE GROUPS");
- print_groups () ;
- ;
- break;}
- case 59:
- #line 723 "ftpcmd.y"
- {
- if (log_commands) syslog(LOG_INFO, "SITE CDPATH");
- cdpath () ;
- ;
- break;}
- case 61:
- #line 733 "ftpcmd.y"
- {
- yyval.String = malloc(1);
- yyval.String[0] = '\0';
- ;
- break;}
- case 64:
- #line 745 "ftpcmd.y"
- {
- register char *a, *p;
-
- a = (char *)&data_dest.sin_addr;
- a[0] = yyvsp[-10].Number; a[1] = yyvsp[-8].Number; a[2] = yyvsp[-6].Number; a[3] = yyvsp[-4].Number;
- p = (char *)&data_dest.sin_port;
- p[0] = yyvsp[-2].Number; p[1] = yyvsp[0].Number;
- data_dest.sin_family = AF_INET;
- ;
- break;}
- case 65:
- #line 757 "ftpcmd.y"
- {
- yyval.Number = FORM_N;
- ;
- break;}
- case 66:
- #line 761 "ftpcmd.y"
- {
- yyval.Number = FORM_T;
- ;
- break;}
- case 67:
- #line 765 "ftpcmd.y"
- {
- yyval.Number = FORM_C;
- ;
- break;}
- case 68:
- #line 771 "ftpcmd.y"
- {
- cmd_type = TYPE_A;
- cmd_form = FORM_N;
- ;
- break;}
- case 69:
- #line 776 "ftpcmd.y"
- {
- cmd_type = TYPE_A;
- cmd_form = yyvsp[0].Number;
- ;
- break;}
- case 70:
- #line 781 "ftpcmd.y"
- {
- cmd_type = TYPE_E;
- cmd_form = FORM_N;
- ;
- break;}
- case 71:
- #line 786 "ftpcmd.y"
- {
- cmd_type = TYPE_E;
- cmd_form = yyvsp[0].Number;
- ;
- break;}
- case 72:
- #line 791 "ftpcmd.y"
- {
- cmd_type = TYPE_I;
- ;
- break;}
- case 73:
- #line 795 "ftpcmd.y"
- {
- cmd_type = TYPE_L;
- cmd_bytesz = NBBY;
- ;
- break;}
- case 74:
- #line 800 "ftpcmd.y"
- {
- cmd_type = TYPE_L;
- cmd_bytesz = yyvsp[0].Number;
- ;
- break;}
- case 75:
- #line 806 "ftpcmd.y"
- {
- cmd_type = TYPE_L;
- cmd_bytesz = yyvsp[0].Number;
- ;
- break;}
- case 76:
- #line 813 "ftpcmd.y"
- {
- yyval.Number = STRU_F;
- ;
- break;}
- case 77:
- #line 817 "ftpcmd.y"
- {
- yyval.Number = STRU_R;
- ;
- break;}
- case 78:
- #line 821 "ftpcmd.y"
- {
- yyval.Number = STRU_P;
- ;
- break;}
- case 79:
- #line 827 "ftpcmd.y"
- {
- yyval.Number = MODE_S;
- ;
- break;}
- case 80:
- #line 831 "ftpcmd.y"
- {
- yyval.Number = MODE_B;
- ;
- break;}
- case 81:
- #line 835 "ftpcmd.y"
- {
- yyval.Number = MODE_C;
- ;
- break;}
- case 82:
- #line 841 "ftpcmd.y"
- {
- /*
- * Problem: this production is used for all pathname
- * processing, but only gives a 550 error reply.
- * This is a valid reply in some cases but not in others.
- */
- if (logged_in && yyvsp[0].String && strncmp(yyvsp[0].String, "~", 1) == 0) {
- yyval.String = *ftpglob(yyvsp[0].String);
- if (globerr) {
- reply(550, globerr);
- yyval.String = NULL;
- }
- free(yyvsp[0].String);
- } else
- yyval.String = yyvsp[0].String;
- ;
- break;}
- case 84:
- #line 863 "ftpcmd.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].Number;
- multby = 1;
- ret = 0;
- while (dec) {
- digit = dec%10;
- if (digit > 7) {
- ret = -1;
- break;
- }
- ret += digit * multby;
- multby *= 8;
- dec /= 10;
- }
- yyval.Number = ret;
- ;
- break;}
- case 85:
- #line 888 "ftpcmd.y"
- {
- if (logged_in)
- yyval.Number = 1;
- else {
- if (log_commands) syslog(LOG_INFO, "cmd failure - not logged in");
- reply(530, "Please login with USER and PASS.");
- yyval.Number = 0;
- }
- ;
- break;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 465 "/gnu/lib/bison.simple"
-
- yyvsp -= yylen;
- yyssp -= yylen;
- #ifdef YYLSP_NEEDED
- yylsp -= yylen;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- *++yyvsp = yyval;
-
- #ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
- #endif
-
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
- yyerrlab: /* here on detecting error */
-
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
- {
- ++yynerrs;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
- else
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- goto yyerrlab1;
- yyerrlab1: /* here on error raised explicitly by an action */
-
- if (yyerrstatus == 3)
- {
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
- #endif
-
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token
- after shifting the error token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
- yyerrdefault: /* current state does not do anything special for the error token. */
-
- #if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
- #endif
-
- yyerrpop: /* pop the current state because it cannot handle the error token */
-
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
- #ifdef YYLSP_NEEDED
- yylsp--;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- yyerrhandle:
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
- #endif
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- yystate = yyn;
- goto yynewstate;
- }
- #line 899 "ftpcmd.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 */
- #define STR3 9 /* expect STRING followed by optional SP then STRING */
-
- struct tab cmdtab[] = { /* In order defined in RFC 765 */
- { "USER", USER, STR1, 1, "<sp> username" },
- { "PASS", PASS, ZSTR1, 1, "<sp> password" },
- { "ACCT", ACCT, STR1, 0, "(specify account)" },
- { "SMNT", SMNT, ARGS, 0, "(structure mount)" },
- { "REIN", REIN, ARGS, 0, "(reinitialize server state)" },
- { "QUIT", QUIT, ARGS, 1, "(terminate service)", },
- { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" },
- { "PASV", PASV, ARGS, 1, "(set server in passive mode)" },
- { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" },
- { "STRU", STRU, ARGS, 1, "(specify file structure)" },
- { "MODE", MODE, ARGS, 1, "(specify transfer mode)" },
- { "RETR", RETR, STR1, 1, "<sp> file-name" },
- { "STOR", STOR, STR1, 1, "<sp> file-name" },
- { "APPE", APPE, STR1, 1, "<sp> file-name" },
- { "MLFL", MLFL, OSTR, 0, "(mail file)" },
- { "MAIL", MAIL, OSTR, 0, "(mail to user)" },
- { "MSND", MSND, OSTR, 0, "(mail send to terminal)" },
- { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" },
- { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" },
- { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" },
- { "MRCP", MRCP, STR1, 0, "(mail recipient)" },
- { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" },
- { "REST", REST, ARGS, 1, "(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> ]" },
- { "GROUP", GROUP, STR1, 1, "<sp> access-group" },
- { "GPASS", GPASS, STR1, 1, "<sp> access-password" },
- { "NEWER", NEWER, STR3, 1, "<sp> YYYYMMDDHHMMSS [ <sp> path-name ]" },
- { "MINFO", MINFO, STR3, 1, "<sp> YYYYMMDDHHMMSS [ <sp> path-name ]" },
- { "INDEX", INDEX, STR1, 1, "<sp> pattern" },
- { "EXEC", EXEC, STR1, 1, "<sp> command [ <sp> arguments ]" },
- { "ALIAS", ALIAS, OSTR, 1, "[ <sp> alias ] " },
- { "CDPATH", CDPATH, OSTR, 1, "[ <sp> ] " },
- { "GROUPS", GROUPS, OSTR, 1, "[ <sp> ] " },
- { 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 void
- toolong()
- {
- time_t now;
-
- 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 %.24s",
- (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, *copy();
-
- for (;;) {
- switch (state) {
-
- case CMD:
- #ifndef AMIGA
- (void) signal(SIGALRM, toolong);
- (void) alarm((unsigned) timeout);
- #endif
- if (is_shutdown(!logged_in) != 0) {
- reply(221, "Server shutting down. Goodbye.");
- dologout(0);
- }
- #ifdef SETPROCTITLE
- setproctitle("%s: IDLE", proctitle);
- #endif
- if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) {
- reply(221, "You could at least say goodbye.");
- dologout(0);
- }
- #ifndef AMIGA
- (void) alarm(0);
- #endif
- #ifdef SETPROCTITLE
- if (strncasecmp(cbuf, "PASS", 4) != 0 &&
- strncasecmp(cbuf, "SITE GPASS", 10) != 0)
- setproctitle("%s: %s", proctitle, cbuf);
- #endif /* SETPROCTITLE */
- if ((cp = strchr(cbuf, '\r'))) {
- *cp++ = '\n';
- *cp = '\0';
- }
- if ((cp = strpbrk(cbuf, " \n")))
- cpos = cp - cbuf;
- if (cpos == 0)
- cpos = 4;
- c = cbuf[cpos];
- cbuf[cpos] = '\0';
- upper(cbuf);
- p = lookup(cmdtab, cbuf);
- cbuf[cpos] = c;
- if (p != 0) {
- if (p->implemented == 0) {
- nack(p->name);
- longjmp(errcatch,0);
- /* NOTREACHED */
- }
- state = p->state;
- yylval.String = p->name;
- return (p->token);
- }
- break;
-
- case SITECMD:
- if (cbuf[cpos] == ' ') {
- cpos++;
- return (SP);
- }
- cp = &cbuf[cpos];
- if ((cp2 = strpbrk(cp, " \n")))
- cpos = cp2 - cbuf;
- c = cbuf[cpos];
- cbuf[cpos] = '\0';
- upper(cp);
- p = lookup(sitetab, cp);
- cbuf[cpos] = c;
- if (p != 0) {
- if (p->implemented == 0) {
- state = CMD;
- nack(p->name);
- longjmp(errcatch,0);
- /* NOTREACHED */
- }
- state = p->state;
- yylval.String = p->name;
- return (p->token);
- }
- state = CMD;
- break;
-
- case OSTR:
- if (cbuf[cpos] == '\n') {
- state = CMD;
- return (CRLF);
- }
- /* FALLTHROUGH */
-
- case STR1:
- case ZSTR1:
- dostr1:
- if (cbuf[cpos] == ' ') {
- cpos++;
- state = state == OSTR ? STR2 : ++state;
- return (SP);
- }
- break;
-
- case ZSTR2:
- if (cbuf[cpos] == '\n') {
- state = CMD;
- return (CRLF);
- }
- /* FALLTHROUGH */
-
- case STR2:
- cp = &cbuf[cpos];
- n = strlen(cp);
- cpos += n - 1;
- /*
- * Make sure the string is nonempty and \n terminated.
- */
- if (n > 1 && cbuf[cpos] == '\n') {
- cbuf[cpos] = '\0';
- yylval.String = 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.Number = atoi(cp);
- cbuf[cpos] = c;
- state = STR1;
- return (NUMBER);
- }
- state = STR1;
- goto dostr1;
-
- case STR3:
- if (cbuf[cpos] == ' ') {
- cpos++;
- return (SP);
- }
-
- cp = &cbuf[cpos];
- cp2 = strpbrk(cp, " \n");
- if (cp2 != NULL) {
- c = *cp2;
- *cp2 = '\0';
- }
- n = strlen(cp);
- cpos += n;
- /*
- * Make sure the string is nonempty and SP terminated.
- */
- if ((cp2 - cp) > 1) {
- yylval.String = copy(cp);
- cbuf[cpos] = c;
- state = OSTR;
- return (STRING);
- }
- break;
-
- case ARGS:
- if (isdigit(cbuf[cpos])) {
- cp = &cbuf[cpos];
- while (isdigit(cbuf[++cpos]))
- ;
- c = cbuf[cpos];
- cbuf[cpos] = '\0';
- yylval.Number = 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 *)NULL);
- 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;
-
- 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 *)NULL) {
- 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)
- #ifdef AMIGA
- && !kludge
- #endif
- )
- reply(550, "%s: not a plain file.", filename);
- else
- reply(213, "%lu", stbuf.st_size);
- break;}
- case TYPE_A: {
- FILE *fin;
- register int c;
- register long 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]);
- }
- }
-
- site_exec(cmd)
- char *cmd;
- {
- char buf[MAXPATHLEN];
- char *sp = (char *) strchr(cmd, ' '), *slash, *t;
- FILE *cmdf, *ftpd_popen();
-
- /* sanitize the command-string */
-
- if (sp == 0) {
- while ((slash = strchr (cmd, '/')) != 0)
- cmd = slash + 1;
- } else {
- while (sp && (slash = (char *) strchr(cmd, '/'))
- && (slash < sp))
- cmd = slash+1;
- }
-
- for (t = cmd; *t && !isspace(*t); t++) {
- if (isupper(*t)) {
- *t = tolower(*t);
- }
- }
-
- /* build the command */
- if (strlen(_PATH_EXECPATH) + strlen(cmd) + 1 > sizeof(buf))
- return;
- sprintf(buf, "%s/%s", _PATH_EXECPATH, cmd);
-
- cmdf = ftpd_popen(buf, "r", 0);
- if (!cmdf) {
- perror_reply(550, cmd);
- if (log_commands)
- syslog(LOG_INFO, "SITE EXEC (FAIL: %m): %s", cmd);
- } else {
- int lines = 0;
-
- lreply(200, cmd);
- while (fgets(buf, sizeof buf, cmdf)) {
- int len = strlen(buf);
-
- if (len>0 && buf[len-1]=='\n')
- buf[--len] = '\0';
- lreply(200, buf);
- if (++lines >= 20) {
- lreply(200, "*** Truncated ***");
- break;
- }
- }
- reply(200, " (end of '%s')", cmd);
- if (log_commands)
- syslog(LOG_INFO, "SITE EXEC (lines: %d): %s", lines, cmd);
- ftpd_pclose(cmdf);
- }
- }
-
- alias (s)
- char *s;
- {
- struct aclmember *entry = NULL;
-
- if (s != (char *)NULL) {
- while (getaclentry("alias", &entry) && ARG0 && ARG1 != NULL)
- if (!strcmp(ARG0, s)) {
- reply (214, "%s is an alias for %s.", ARG0, ARG1);
- return;
- }
- reply (502, "Unknown alias %s.", s);
- return;
- }
-
- lreply(214, "The following aliases are available.");
-
- while (getaclentry("alias", &entry) && ARG0 && ARG1 != NULL)
- printf (" %-8s %s\r\n", ARG0, ARG1);
- (void) fflush (stdout);
-
- reply(214, "");
- }
-
- cdpath ()
- {
- struct aclmember *entry = NULL;
-
- lreply(214, "The cdpath is:");
- while (getaclentry("cdpath", &entry) && ARG0 != NULL)
- printf (" %s\r\n", ARG0);
- (void) fflush (stdout);
- reply(214, "");
- }
-
- void
- print_groups()
- {
- gid_t groups[NGROUPS_MAX];
- int ngroups = 0;
-
- if ( (ngroups = getgroups(NGROUPS_MAX, groups)) < 0 ) {
- return;
- }
-
- lreply(214, "Group membership is:");
- ngroups--;
-
- for (; ngroups >= 0; ngroups--)
- lreply(214, " %d", groups[ngroups]);
-
- (void) fflush (stdout);
- reply(214, "");
- }
-