diff options
Diffstat (limited to 'usr.bin/yacc/test')
-rw-r--r-- | usr.bin/yacc/test/error.output | 27 | ||||
-rw-r--r-- | usr.bin/yacc/test/error.tab.c | 275 | ||||
-rw-r--r-- | usr.bin/yacc/test/error.tab.h | 0 | ||||
-rw-r--r-- | usr.bin/yacc/test/error.y | 6 | ||||
-rw-r--r-- | usr.bin/yacc/test/ftp.output | 1625 | ||||
-rw-r--r-- | usr.bin/yacc/test/ftp.tab.c | 1743 | ||||
-rw-r--r-- | usr.bin/yacc/test/ftp.tab.h | 63 | ||||
-rw-r--r-- | usr.bin/yacc/test/ftp.y | 1180 |
8 files changed, 4919 insertions, 0 deletions
diff --git a/usr.bin/yacc/test/error.output b/usr.bin/yacc/test/error.output new file mode 100644 index 0000000..0c4db62 --- /dev/null +++ b/usr.bin/yacc/test/error.output @@ -0,0 +1,27 @@ + 0 $accept : S $end + + 1 S : error + +state 0 + $accept : . S $end (0) + + error shift 1 + . error + + S goto 2 + + +state 1 + S : error . (1) + + . reduce 1 + + +state 2 + $accept : S . $end (0) + + $end accept + + +2 terminals, 2 nonterminals +2 grammar rules, 3 states diff --git a/usr.bin/yacc/test/error.tab.c b/usr.bin/yacc/test/error.tab.c new file mode 100644 index 0000000..ffc6e37 --- /dev/null +++ b/usr.bin/yacc/test/error.tab.c @@ -0,0 +1,275 @@ +#ifndef lint +static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; +#endif +#define YYBYACC 1 +#define YYMAJOR 1 +#define YYMINOR 9 +#define yyclearin (yychar=(-1)) +#define yyerrok (yyerrflag=0) +#define YYRECOVERING (yyerrflag!=0) +#define YYPREFIX "yy" +#define YYERRCODE 256 +short yylhs[] = { -1, + 0, +}; +short yylen[] = { 2, + 1, +}; +short yydefred[] = { 0, + 1, 0, +}; +short yydgoto[] = { 2, +}; +short yysindex[] = { -256, + 0, 0, +}; +short yyrindex[] = { 0, + 0, 0, +}; +short yygindex[] = { 0, +}; +#define YYTABLESIZE 0 +short yytable[] = { 1, +}; +short yycheck[] = { 256, +}; +#define YYFINAL 2 +#ifndef YYDEBUG +#define YYDEBUG 0 +#endif +#define YYMAXTOKEN 0 +#if YYDEBUG +char *yyname[] = { +"end-of-file", +}; +char *yyrule[] = { +"$accept : S", +"S : error", +}; +#endif +#ifndef YYSTYPE +typedef int YYSTYPE; +#endif +#ifdef YYSTACKSIZE +#undef YYMAXDEPTH +#define YYMAXDEPTH YYSTACKSIZE +#else +#ifdef YYMAXDEPTH +#define YYSTACKSIZE YYMAXDEPTH +#else +#define YYSTACKSIZE 500 +#define YYMAXDEPTH 500 +#endif +#endif +int yydebug; +int yynerrs; +int yyerrflag; +int yychar; +short *yyssp; +YYSTYPE *yyvsp; +YYSTYPE yyval; +YYSTYPE yylval; +short yyss[YYSTACKSIZE]; +YYSTYPE yyvs[YYSTACKSIZE]; +#define yystacksize YYSTACKSIZE +#line 4 "error.y" +main(){printf("yyparse() = %d\n",yyparse());} +yylex(){return-1;} +yyerror(s)char*s;{printf("%s\n",s);} +#line 80 "error.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) + { + } + 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); +} diff --git a/usr.bin/yacc/test/error.tab.h b/usr.bin/yacc/test/error.tab.h new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/usr.bin/yacc/test/error.tab.h diff --git a/usr.bin/yacc/test/error.y b/usr.bin/yacc/test/error.y new file mode 100644 index 0000000..41148ea --- /dev/null +++ b/usr.bin/yacc/test/error.y @@ -0,0 +1,6 @@ +%% +S: error +%% +main(){printf("yyparse() = %d\n",yyparse());} +yylex(){return-1;} +yyerror(s)char*s;{printf("%s\n",s);} diff --git a/usr.bin/yacc/test/ftp.output b/usr.bin/yacc/test/ftp.output new file mode 100644 index 0000000..f1ab4b2 --- /dev/null +++ b/usr.bin/yacc/test/ftp.output @@ -0,0 +1,1625 @@ + 0 $accept : cmd_list $end + + 1 cmd_list : + 2 | cmd_list cmd + 3 | cmd_list rcmd + + 4 cmd : USER SP username CRLF + 5 | PASS SP password CRLF + 6 | PORT SP host_port CRLF + 7 | PASV CRLF + 8 | TYPE SP type_code CRLF + 9 | STRU SP struct_code CRLF + 10 | MODE SP mode_code CRLF + 11 | ALLO SP NUMBER CRLF + 12 | ALLO SP NUMBER SP R SP NUMBER CRLF + 13 | RETR check_login SP pathname CRLF + 14 | STOR check_login SP pathname CRLF + 15 | APPE check_login SP pathname CRLF + 16 | NLST check_login CRLF + 17 | NLST check_login SP STRING CRLF + 18 | LIST check_login CRLF + 19 | LIST check_login SP pathname CRLF + 20 | STAT check_login SP pathname CRLF + 21 | STAT CRLF + 22 | DELE check_login SP pathname CRLF + 23 | RNTO SP pathname CRLF + 24 | ABOR CRLF + 25 | CWD check_login CRLF + 26 | CWD check_login SP pathname CRLF + 27 | HELP CRLF + 28 | HELP SP STRING CRLF + 29 | NOOP CRLF + 30 | MKD check_login SP pathname CRLF + 31 | RMD check_login SP pathname CRLF + 32 | PWD check_login CRLF + 33 | CDUP check_login CRLF + 34 | SITE SP HELP CRLF + 35 | SITE SP HELP SP STRING CRLF + 36 | SITE SP UMASK check_login CRLF + 37 | SITE SP UMASK check_login SP octal_number CRLF + 38 | SITE SP CHMOD check_login SP octal_number SP pathname CRLF + 39 | SITE SP IDLE CRLF + 40 | SITE SP IDLE SP NUMBER CRLF + 41 | STOU check_login SP pathname CRLF + 42 | SYST CRLF + 43 | SIZE check_login SP pathname CRLF + 44 | MDTM check_login SP pathname CRLF + 45 | QUIT CRLF + 46 | error CRLF + + 47 rcmd : RNFR check_login SP pathname CRLF + + 48 username : STRING + + 49 password : + 50 | STRING + + 51 byte_size : NUMBER + + 52 host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER + + 53 form_code : N + 54 | T + 55 | C + + 56 type_code : A + 57 | A SP form_code + 58 | E + 59 | E SP form_code + 60 | I + 61 | L + 62 | L SP byte_size + 63 | L byte_size + + 64 struct_code : F + 65 | R + 66 | P + + 67 mode_code : S + 68 | B + 69 | C + + 70 pathname : pathstring + + 71 pathstring : STRING + + 72 octal_number : NUMBER + + 73 check_login : + +state 0 + $accept : . cmd_list $end (0) + cmd_list : . (1) + + . reduce 1 + + cmd_list goto 1 + + +state 1 + $accept : cmd_list . $end (0) + cmd_list : cmd_list . cmd (2) + cmd_list : cmd_list . rcmd (3) + + $end accept + error shift 2 + USER shift 3 + PASS shift 4 + QUIT shift 5 + PORT shift 6 + PASV shift 7 + TYPE shift 8 + STRU shift 9 + MODE shift 10 + RETR shift 11 + STOR shift 12 + APPE shift 13 + ALLO shift 14 + RNFR shift 15 + RNTO shift 16 + ABOR shift 17 + DELE shift 18 + CWD shift 19 + LIST shift 20 + NLST shift 21 + SITE shift 22 + STAT shift 23 + HELP shift 24 + NOOP shift 25 + MKD shift 26 + RMD shift 27 + PWD shift 28 + CDUP shift 29 + STOU shift 30 + SYST shift 31 + SIZE shift 32 + MDTM shift 33 + . error + + cmd goto 34 + rcmd goto 35 + + +state 2 + cmd : error . CRLF (46) + + CRLF shift 36 + . error + + +state 3 + cmd : USER . SP username CRLF (4) + + SP shift 37 + . error + + +state 4 + cmd : PASS . SP password CRLF (5) + + SP shift 38 + . error + + +state 5 + cmd : QUIT . CRLF (45) + + CRLF shift 39 + . error + + +state 6 + cmd : PORT . SP host_port CRLF (6) + + SP shift 40 + . error + + +state 7 + cmd : PASV . CRLF (7) + + CRLF shift 41 + . error + + +state 8 + cmd : TYPE . SP type_code CRLF (8) + + SP shift 42 + . error + + +state 9 + cmd : STRU . SP struct_code CRLF (9) + + SP shift 43 + . error + + +state 10 + cmd : MODE . SP mode_code CRLF (10) + + SP shift 44 + . error + + +state 11 + cmd : RETR . check_login SP pathname CRLF (13) + check_login : . (73) + + . reduce 73 + + check_login goto 45 + + +state 12 + cmd : STOR . check_login SP pathname CRLF (14) + check_login : . (73) + + . reduce 73 + + check_login goto 46 + + +state 13 + cmd : APPE . check_login SP pathname CRLF (15) + check_login : . (73) + + . reduce 73 + + check_login goto 47 + + +state 14 + cmd : ALLO . SP NUMBER CRLF (11) + cmd : ALLO . SP NUMBER SP R SP NUMBER CRLF (12) + + SP shift 48 + . error + + +state 15 + rcmd : RNFR . check_login SP pathname CRLF (47) + check_login : . (73) + + . reduce 73 + + check_login goto 49 + + +state 16 + cmd : RNTO . SP pathname CRLF (23) + + SP shift 50 + . error + + +state 17 + cmd : ABOR . CRLF (24) + + CRLF shift 51 + . error + + +state 18 + cmd : DELE . check_login SP pathname CRLF (22) + check_login : . (73) + + . reduce 73 + + check_login goto 52 + + +state 19 + cmd : CWD . check_login CRLF (25) + cmd : CWD . check_login SP pathname CRLF (26) + check_login : . (73) + + . reduce 73 + + check_login goto 53 + + +state 20 + cmd : LIST . check_login CRLF (18) + cmd : LIST . check_login SP pathname CRLF (19) + check_login : . (73) + + . reduce 73 + + check_login goto 54 + + +state 21 + cmd : NLST . check_login CRLF (16) + cmd : NLST . check_login SP STRING CRLF (17) + check_login : . (73) + + . reduce 73 + + check_login goto 55 + + +state 22 + cmd : SITE . SP HELP CRLF (34) + cmd : SITE . SP HELP SP STRING CRLF (35) + cmd : SITE . SP UMASK check_login CRLF (36) + cmd : SITE . SP UMASK check_login SP octal_number CRLF (37) + cmd : SITE . SP CHMOD check_login SP octal_number SP pathname CRLF (38) + cmd : SITE . SP IDLE CRLF (39) + cmd : SITE . SP IDLE SP NUMBER CRLF (40) + + SP shift 56 + . error + + +state 23 + cmd : STAT . check_login SP pathname CRLF (20) + cmd : STAT . CRLF (21) + check_login : . (73) + + CRLF shift 57 + SP reduce 73 + + check_login goto 58 + + +state 24 + cmd : HELP . CRLF (27) + cmd : HELP . SP STRING CRLF (28) + + SP shift 59 + CRLF shift 60 + . error + + +state 25 + cmd : NOOP . CRLF (29) + + CRLF shift 61 + . error + + +state 26 + cmd : MKD . check_login SP pathname CRLF (30) + check_login : . (73) + + . reduce 73 + + check_login goto 62 + + +state 27 + cmd : RMD . check_login SP pathname CRLF (31) + check_login : . (73) + + . reduce 73 + + check_login goto 63 + + +state 28 + cmd : PWD . check_login CRLF (32) + check_login : . (73) + + . reduce 73 + + check_login goto 64 + + +state 29 + cmd : CDUP . check_login CRLF (33) + check_login : . (73) + + . reduce 73 + + check_login goto 65 + + +state 30 + cmd : STOU . check_login SP pathname CRLF (41) + check_login : . (73) + + . reduce 73 + + check_login goto 66 + + +state 31 + cmd : SYST . CRLF (42) + + CRLF shift 67 + . error + + +state 32 + cmd : SIZE . check_login SP pathname CRLF (43) + check_login : . (73) + + . reduce 73 + + check_login goto 68 + + +state 33 + cmd : MDTM . check_login SP pathname CRLF (44) + check_login : . (73) + + . reduce 73 + + check_login goto 69 + + +state 34 + cmd_list : cmd_list cmd . (2) + + . reduce 2 + + +state 35 + cmd_list : cmd_list rcmd . (3) + + . reduce 3 + + +state 36 + cmd : error CRLF . (46) + + . reduce 46 + + +state 37 + cmd : USER SP . username CRLF (4) + + STRING shift 70 + . error + + username goto 71 + + +state 38 + cmd : PASS SP . password CRLF (5) + password : . (49) + + STRING shift 72 + CRLF reduce 49 + + password goto 73 + + +state 39 + cmd : QUIT CRLF . (45) + + . reduce 45 + + +state 40 + cmd : PORT SP . host_port CRLF (6) + + NUMBER shift 74 + . error + + host_port goto 75 + + +state 41 + cmd : PASV CRLF . (7) + + . reduce 7 + + +state 42 + cmd : TYPE SP . type_code CRLF (8) + + A shift 76 + E shift 77 + I shift 78 + L shift 79 + . error + + type_code goto 80 + + +state 43 + cmd : STRU SP . struct_code CRLF (9) + + F shift 81 + P shift 82 + R shift 83 + . error + + struct_code goto 84 + + +state 44 + cmd : MODE SP . mode_code CRLF (10) + + B shift 85 + C shift 86 + S shift 87 + . error + + mode_code goto 88 + + +state 45 + cmd : RETR check_login . SP pathname CRLF (13) + + SP shift 89 + . error + + +state 46 + cmd : STOR check_login . SP pathname CRLF (14) + + SP shift 90 + . error + + +state 47 + cmd : APPE check_login . SP pathname CRLF (15) + + SP shift 91 + . error + + +state 48 + cmd : ALLO SP . NUMBER CRLF (11) + cmd : ALLO SP . NUMBER SP R SP NUMBER CRLF (12) + + NUMBER shift 92 + . error + + +state 49 + rcmd : RNFR check_login . SP pathname CRLF (47) + + SP shift 93 + . error + + +state 50 + cmd : RNTO SP . pathname CRLF (23) + + STRING shift 94 + . error + + pathname goto 95 + pathstring goto 96 + + +state 51 + cmd : ABOR CRLF . (24) + + . reduce 24 + + +state 52 + cmd : DELE check_login . SP pathname CRLF (22) + + SP shift 97 + . error + + +state 53 + cmd : CWD check_login . CRLF (25) + cmd : CWD check_login . SP pathname CRLF (26) + + SP shift 98 + CRLF shift 99 + . error + + +state 54 + cmd : LIST check_login . CRLF (18) + cmd : LIST check_login . SP pathname CRLF (19) + + SP shift 100 + CRLF shift 101 + . error + + +state 55 + cmd : NLST check_login . CRLF (16) + cmd : NLST check_login . SP STRING CRLF (17) + + SP shift 102 + CRLF shift 103 + . error + + +state 56 + cmd : SITE SP . HELP CRLF (34) + cmd : SITE SP . HELP SP STRING CRLF (35) + cmd : SITE SP . UMASK check_login CRLF (36) + cmd : SITE SP . UMASK check_login SP octal_number CRLF (37) + cmd : SITE SP . CHMOD check_login SP octal_number SP pathname CRLF (38) + cmd : SITE SP . IDLE CRLF (39) + cmd : SITE SP . IDLE SP NUMBER CRLF (40) + + HELP shift 104 + UMASK shift 105 + IDLE shift 106 + CHMOD shift 107 + . error + + +state 57 + cmd : STAT CRLF . (21) + + . reduce 21 + + +state 58 + cmd : STAT check_login . SP pathname CRLF (20) + + SP shift 108 + . error + + +state 59 + cmd : HELP SP . STRING CRLF (28) + + STRING shift 109 + . error + + +state 60 + cmd : HELP CRLF . (27) + + . reduce 27 + + +state 61 + cmd : NOOP CRLF . (29) + + . reduce 29 + + +state 62 + cmd : MKD check_login . SP pathname CRLF (30) + + SP shift 110 + . error + + +state 63 + cmd : RMD check_login . SP pathname CRLF (31) + + SP shift 111 + . error + + +state 64 + cmd : PWD check_login . CRLF (32) + + CRLF shift 112 + . error + + +state 65 + cmd : CDUP check_login . CRLF (33) + + CRLF shift 113 + . error + + +state 66 + cmd : STOU check_login . SP pathname CRLF (41) + + SP shift 114 + . error + + +state 67 + cmd : SYST CRLF . (42) + + . reduce 42 + + +state 68 + cmd : SIZE check_login . SP pathname CRLF (43) + + SP shift 115 + . error + + +state 69 + cmd : MDTM check_login . SP pathname CRLF (44) + + SP shift 116 + . error + + +state 70 + username : STRING . (48) + + . reduce 48 + + +state 71 + cmd : USER SP username . CRLF (4) + + CRLF shift 117 + . error + + +state 72 + password : STRING . (50) + + . reduce 50 + + +state 73 + cmd : PASS SP password . CRLF (5) + + CRLF shift 118 + . error + + +state 74 + host_port : NUMBER . COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER (52) + + COMMA shift 119 + . error + + +state 75 + cmd : PORT SP host_port . CRLF (6) + + CRLF shift 120 + . error + + +state 76 + type_code : A . (56) + type_code : A . SP form_code (57) + + SP shift 121 + CRLF reduce 56 + + +state 77 + type_code : E . (58) + type_code : E . SP form_code (59) + + SP shift 122 + CRLF reduce 58 + + +state 78 + type_code : I . (60) + + . reduce 60 + + +state 79 + type_code : L . (61) + type_code : L . SP byte_size (62) + type_code : L . byte_size (63) + + SP shift 123 + NUMBER shift 124 + CRLF reduce 61 + + byte_size goto 125 + + +state 80 + cmd : TYPE SP type_code . CRLF (8) + + CRLF shift 126 + . error + + +state 81 + struct_code : F . (64) + + . reduce 64 + + +state 82 + struct_code : P . (66) + + . reduce 66 + + +state 83 + struct_code : R . (65) + + . reduce 65 + + +state 84 + cmd : STRU SP struct_code . CRLF (9) + + CRLF shift 127 + . error + + +state 85 + mode_code : B . (68) + + . reduce 68 + + +state 86 + mode_code : C . (69) + + . reduce 69 + + +state 87 + mode_code : S . (67) + + . reduce 67 + + +state 88 + cmd : MODE SP mode_code . CRLF (10) + + CRLF shift 128 + . error + + +state 89 + cmd : RETR check_login SP . pathname CRLF (13) + + STRING shift 94 + . error + + pathname goto 129 + pathstring goto 96 + + +state 90 + cmd : STOR check_login SP . pathname CRLF (14) + + STRING shift 94 + . error + + pathname goto 130 + pathstring goto 96 + + +state 91 + cmd : APPE check_login SP . pathname CRLF (15) + + STRING shift 94 + . error + + pathname goto 131 + pathstring goto 96 + + +state 92 + cmd : ALLO SP NUMBER . CRLF (11) + cmd : ALLO SP NUMBER . SP R SP NUMBER CRLF (12) + + SP shift 132 + CRLF shift 133 + . error + + +state 93 + rcmd : RNFR check_login SP . pathname CRLF (47) + + STRING shift 94 + . error + + pathname goto 134 + pathstring goto 96 + + +state 94 + pathstring : STRING . (71) + + . reduce 71 + + +state 95 + cmd : RNTO SP pathname . CRLF (23) + + CRLF shift 135 + . error + + +state 96 + pathname : pathstring . (70) + + . reduce 70 + + +state 97 + cmd : DELE check_login SP . pathname CRLF (22) + + STRING shift 94 + . error + + pathname goto 136 + pathstring goto 96 + + +state 98 + cmd : CWD check_login SP . pathname CRLF (26) + + STRING shift 94 + . error + + pathname goto 137 + pathstring goto 96 + + +state 99 + cmd : CWD check_login CRLF . (25) + + . reduce 25 + + +state 100 + cmd : LIST check_login SP . pathname CRLF (19) + + STRING shift 94 + . error + + pathname goto 138 + pathstring goto 96 + + +state 101 + cmd : LIST check_login CRLF . (18) + + . reduce 18 + + +state 102 + cmd : NLST check_login SP . STRING CRLF (17) + + STRING shift 139 + . error + + +state 103 + cmd : NLST check_login CRLF . (16) + + . reduce 16 + + +state 104 + cmd : SITE SP HELP . CRLF (34) + cmd : SITE SP HELP . SP STRING CRLF (35) + + SP shift 140 + CRLF shift 141 + . error + + +state 105 + cmd : SITE SP UMASK . check_login CRLF (36) + cmd : SITE SP UMASK . check_login SP octal_number CRLF (37) + check_login : . (73) + + . reduce 73 + + check_login goto 142 + + +state 106 + cmd : SITE SP IDLE . CRLF (39) + cmd : SITE SP IDLE . SP NUMBER CRLF (40) + + SP shift 143 + CRLF shift 144 + . error + + +state 107 + cmd : SITE SP CHMOD . check_login SP octal_number SP pathname CRLF (38) + check_login : . (73) + + . reduce 73 + + check_login goto 145 + + +state 108 + cmd : STAT check_login SP . pathname CRLF (20) + + STRING shift 94 + . error + + pathname goto 146 + pathstring goto 96 + + +state 109 + cmd : HELP SP STRING . CRLF (28) + + CRLF shift 147 + . error + + +state 110 + cmd : MKD check_login SP . pathname CRLF (30) + + STRING shift 94 + . error + + pathname goto 148 + pathstring goto 96 + + +state 111 + cmd : RMD check_login SP . pathname CRLF (31) + + STRING shift 94 + . error + + pathname goto 149 + pathstring goto 96 + + +state 112 + cmd : PWD check_login CRLF . (32) + + . reduce 32 + + +state 113 + cmd : CDUP check_login CRLF . (33) + + . reduce 33 + + +state 114 + cmd : STOU check_login SP . pathname CRLF (41) + + STRING shift 94 + . error + + pathname goto 150 + pathstring goto 96 + + +state 115 + cmd : SIZE check_login SP . pathname CRLF (43) + + STRING shift 94 + . error + + pathname goto 151 + pathstring goto 96 + + +state 116 + cmd : MDTM check_login SP . pathname CRLF (44) + + STRING shift 94 + . error + + pathname goto 152 + pathstring goto 96 + + +state 117 + cmd : USER SP username CRLF . (4) + + . reduce 4 + + +state 118 + cmd : PASS SP password CRLF . (5) + + . reduce 5 + + +state 119 + host_port : NUMBER COMMA . NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER (52) + + NUMBER shift 153 + . error + + +state 120 + cmd : PORT SP host_port CRLF . (6) + + . reduce 6 + + +state 121 + type_code : A SP . form_code (57) + + C shift 154 + N shift 155 + T shift 156 + . error + + form_code goto 157 + + +state 122 + type_code : E SP . form_code (59) + + C shift 154 + N shift 155 + T shift 156 + . error + + form_code goto 158 + + +state 123 + type_code : L SP . byte_size (62) + + NUMBER shift 124 + . error + + byte_size goto 159 + + +state 124 + byte_size : NUMBER . (51) + + . reduce 51 + + +state 125 + type_code : L byte_size . (63) + + . reduce 63 + + +state 126 + cmd : TYPE SP type_code CRLF . (8) + + . reduce 8 + + +state 127 + cmd : STRU SP struct_code CRLF . (9) + + . reduce 9 + + +state 128 + cmd : MODE SP mode_code CRLF . (10) + + . reduce 10 + + +state 129 + cmd : RETR check_login SP pathname . CRLF (13) + + CRLF shift 160 + . error + + +state 130 + cmd : STOR check_login SP pathname . CRLF (14) + + CRLF shift 161 + . error + + +state 131 + cmd : APPE check_login SP pathname . CRLF (15) + + CRLF shift 162 + . error + + +state 132 + cmd : ALLO SP NUMBER SP . R SP NUMBER CRLF (12) + + R shift 163 + . error + + +state 133 + cmd : ALLO SP NUMBER CRLF . (11) + + . reduce 11 + + +state 134 + rcmd : RNFR check_login SP pathname . CRLF (47) + + CRLF shift 164 + . error + + +state 135 + cmd : RNTO SP pathname CRLF . (23) + + . reduce 23 + + +state 136 + cmd : DELE check_login SP pathname . CRLF (22) + + CRLF shift 165 + . error + + +state 137 + cmd : CWD check_login SP pathname . CRLF (26) + + CRLF shift 166 + . error + + +state 138 + cmd : LIST check_login SP pathname . CRLF (19) + + CRLF shift 167 + . error + + +state 139 + cmd : NLST check_login SP STRING . CRLF (17) + + CRLF shift 168 + . error + + +state 140 + cmd : SITE SP HELP SP . STRING CRLF (35) + + STRING shift 169 + . error + + +state 141 + cmd : SITE SP HELP CRLF . (34) + + . reduce 34 + + +state 142 + cmd : SITE SP UMASK check_login . CRLF (36) + cmd : SITE SP UMASK check_login . SP octal_number CRLF (37) + + SP shift 170 + CRLF shift 171 + . error + + +state 143 + cmd : SITE SP IDLE SP . NUMBER CRLF (40) + + NUMBER shift 172 + . error + + +state 144 + cmd : SITE SP IDLE CRLF . (39) + + . reduce 39 + + +state 145 + cmd : SITE SP CHMOD check_login . SP octal_number SP pathname CRLF (38) + + SP shift 173 + . error + + +state 146 + cmd : STAT check_login SP pathname . CRLF (20) + + CRLF shift 174 + . error + + +state 147 + cmd : HELP SP STRING CRLF . (28) + + . reduce 28 + + +state 148 + cmd : MKD check_login SP pathname . CRLF (30) + + CRLF shift 175 + . error + + +state 149 + cmd : RMD check_login SP pathname . CRLF (31) + + CRLF shift 176 + . error + + +state 150 + cmd : STOU check_login SP pathname . CRLF (41) + + CRLF shift 177 + . error + + +state 151 + cmd : SIZE check_login SP pathname . CRLF (43) + + CRLF shift 178 + . error + + +state 152 + cmd : MDTM check_login SP pathname . CRLF (44) + + CRLF shift 179 + . error + + +state 153 + host_port : NUMBER COMMA NUMBER . COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER (52) + + COMMA shift 180 + . error + + +state 154 + form_code : C . (55) + + . reduce 55 + + +state 155 + form_code : N . (53) + + . reduce 53 + + +state 156 + form_code : T . (54) + + . reduce 54 + + +state 157 + type_code : A SP form_code . (57) + + . reduce 57 + + +state 158 + type_code : E SP form_code . (59) + + . reduce 59 + + +state 159 + type_code : L SP byte_size . (62) + + . reduce 62 + + +state 160 + cmd : RETR check_login SP pathname CRLF . (13) + + . reduce 13 + + +state 161 + cmd : STOR check_login SP pathname CRLF . (14) + + . reduce 14 + + +state 162 + cmd : APPE check_login SP pathname CRLF . (15) + + . reduce 15 + + +state 163 + cmd : ALLO SP NUMBER SP R . SP NUMBER CRLF (12) + + SP shift 181 + . error + + +state 164 + rcmd : RNFR check_login SP pathname CRLF . (47) + + . reduce 47 + + +state 165 + cmd : DELE check_login SP pathname CRLF . (22) + + . reduce 22 + + +state 166 + cmd : CWD check_login SP pathname CRLF . (26) + + . reduce 26 + + +state 167 + cmd : LIST check_login SP pathname CRLF . (19) + + . reduce 19 + + +state 168 + cmd : NLST check_login SP STRING CRLF . (17) + + . reduce 17 + + +state 169 + cmd : SITE SP HELP SP STRING . CRLF (35) + + CRLF shift 182 + . error + + +state 170 + cmd : SITE SP UMASK check_login SP . octal_number CRLF (37) + + NUMBER shift 183 + . error + + octal_number goto 184 + + +state 171 + cmd : SITE SP UMASK check_login CRLF . (36) + + . reduce 36 + + +state 172 + cmd : SITE SP IDLE SP NUMBER . CRLF (40) + + CRLF shift 185 + . error + + +state 173 + cmd : SITE SP CHMOD check_login SP . octal_number SP pathname CRLF (38) + + NUMBER shift 183 + . error + + octal_number goto 186 + + +state 174 + cmd : STAT check_login SP pathname CRLF . (20) + + . reduce 20 + + +state 175 + cmd : MKD check_login SP pathname CRLF . (30) + + . reduce 30 + + +state 176 + cmd : RMD check_login SP pathname CRLF . (31) + + . reduce 31 + + +state 177 + cmd : STOU check_login SP pathname CRLF . (41) + + . reduce 41 + + +state 178 + cmd : SIZE check_login SP pathname CRLF . (43) + + . reduce 43 + + +state 179 + cmd : MDTM check_login SP pathname CRLF . (44) + + . reduce 44 + + +state 180 + host_port : NUMBER COMMA NUMBER COMMA . NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER (52) + + NUMBER shift 187 + . error + + +state 181 + cmd : ALLO SP NUMBER SP R SP . NUMBER CRLF (12) + + NUMBER shift 188 + . error + + +state 182 + cmd : SITE SP HELP SP STRING CRLF . (35) + + . reduce 35 + + +state 183 + octal_number : NUMBER . (72) + + . reduce 72 + + +state 184 + cmd : SITE SP UMASK check_login SP octal_number . CRLF (37) + + CRLF shift 189 + . error + + +state 185 + cmd : SITE SP IDLE SP NUMBER CRLF . (40) + + . reduce 40 + + +state 186 + cmd : SITE SP CHMOD check_login SP octal_number . SP pathname CRLF (38) + + SP shift 190 + . error + + +state 187 + host_port : NUMBER COMMA NUMBER COMMA NUMBER . COMMA NUMBER COMMA NUMBER COMMA NUMBER (52) + + COMMA shift 191 + . error + + +state 188 + cmd : ALLO SP NUMBER SP R SP NUMBER . CRLF (12) + + CRLF shift 192 + . error + + +state 189 + cmd : SITE SP UMASK check_login SP octal_number CRLF . (37) + + . reduce 37 + + +state 190 + cmd : SITE SP CHMOD check_login SP octal_number SP . pathname CRLF (38) + + STRING shift 94 + . error + + pathname goto 193 + pathstring goto 96 + + +state 191 + host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA . NUMBER COMMA NUMBER COMMA NUMBER (52) + + NUMBER shift 194 + . error + + +state 192 + cmd : ALLO SP NUMBER SP R SP NUMBER CRLF . (12) + + . reduce 12 + + +state 193 + cmd : SITE SP CHMOD check_login SP octal_number SP pathname . CRLF (38) + + CRLF shift 195 + . error + + +state 194 + host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER . COMMA NUMBER COMMA NUMBER (52) + + COMMA shift 196 + . error + + +state 195 + cmd : SITE SP CHMOD check_login SP octal_number SP pathname CRLF . (38) + + . reduce 38 + + +state 196 + host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA . NUMBER COMMA NUMBER (52) + + NUMBER shift 197 + . error + + +state 197 + host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER . COMMA NUMBER (52) + + COMMA shift 198 + . error + + +state 198 + host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA . NUMBER (52) + + NUMBER shift 199 + . error + + +state 199 + host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER . (52) + + . reduce 52 + + +65 terminals, 16 nonterminals +74 grammar rules, 200 states diff --git a/usr.bin/yacc/test/ftp.tab.c b/usr.bin/yacc/test/ftp.tab.c new file mode 100644 index 0000000..c9794ed --- /dev/null +++ b/usr.bin/yacc/test/ftp.tab.c @@ -0,0 +1,1743 @@ +#ifndef lint +static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; +#endif +#define YYBYACC 1 +#define YYMAJOR 1 +#define YYMINOR 9 +#define yyclearin (yychar=(-1)) +#define yyerrok (yyerrflag=0) +#define YYRECOVERING (yyerrflag!=0) +#define YYPREFIX "yy" +#line 26 "ftp.y" + +#ifndef lint +static char sccsid[] = "@(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89"; +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/socket.h> + +#include <netinet/in.h> + +#include <arpa/ftp.h> + +#include <stdio.h> +#include <signal.h> +#include <ctype.h> +#include <pwd.h> +#include <setjmp.h> +#include <syslog.h> +#include <sys/stat.h> +#include <time.h> + +extern struct sockaddr_in data_dest; +extern int logged_in; +extern struct passwd *pw; +extern int guest; +extern int logging; +extern int type; +extern int form; +extern int debug; +extern int timeout; +extern int maxtimeout; +extern int pdata; +extern char hostname[], remotehost[]; +extern char proctitle[]; +extern char *globerr; +extern int usedefault; +extern int transflag; +extern char tmpline[]; +char **glob(); + +static int cmd_type; +static int cmd_form; +static int cmd_bytesz; +char cbuf[512]; +char *fromname; + +char *index(); +#line 60 "ftp.tab.c" +#define A 257 +#define B 258 +#define C 259 +#define E 260 +#define F 261 +#define I 262 +#define L 263 +#define N 264 +#define P 265 +#define R 266 +#define S 267 +#define T 268 +#define SP 269 +#define CRLF 270 +#define COMMA 271 +#define STRING 272 +#define NUMBER 273 +#define USER 274 +#define PASS 275 +#define ACCT 276 +#define REIN 277 +#define QUIT 278 +#define PORT 279 +#define PASV 280 +#define TYPE 281 +#define STRU 282 +#define MODE 283 +#define RETR 284 +#define STOR 285 +#define APPE 286 +#define MLFL 287 +#define MAIL 288 +#define MSND 289 +#define MSOM 290 +#define MSAM 291 +#define MRSQ 292 +#define MRCP 293 +#define ALLO 294 +#define REST 295 +#define RNFR 296 +#define RNTO 297 +#define ABOR 298 +#define DELE 299 +#define CWD 300 +#define LIST 301 +#define NLST 302 +#define SITE 303 +#define STAT 304 +#define HELP 305 +#define NOOP 306 +#define MKD 307 +#define RMD 308 +#define PWD 309 +#define CDUP 310 +#define STOU 311 +#define SMNT 312 +#define SYST 313 +#define SIZE 314 +#define MDTM 315 +#define UMASK 316 +#define IDLE 317 +#define CHMOD 318 +#define LEXERR 319 +#define YYERRCODE 256 +short yylhs[] = { -1, + 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 2, 3, 4, 4, + 12, 5, 13, 13, 13, 6, 6, 6, 6, 6, + 6, 6, 6, 7, 7, 7, 8, 8, 8, 10, + 14, 11, 9, +}; +short yylen[] = { 2, + 0, 2, 2, 4, 4, 4, 2, 4, 4, 4, + 4, 8, 5, 5, 5, 3, 5, 3, 5, 5, + 2, 5, 4, 2, 3, 5, 2, 4, 2, 5, + 5, 3, 3, 4, 6, 5, 7, 9, 4, 6, + 5, 2, 5, 5, 2, 2, 5, 1, 0, 1, + 1, 11, 1, 1, 1, 1, 3, 1, 3, 1, + 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 0, +}; +short yydefred[] = { 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 73, 73, 73, 0, 73, 0, 0, 73, 73, 73, + 73, 0, 0, 0, 0, 73, 73, 73, 73, 73, + 0, 73, 73, 2, 3, 46, 0, 0, 45, 0, + 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 24, 0, 0, 0, 0, 0, 21, 0, 0, 27, + 29, 0, 0, 0, 0, 0, 42, 0, 0, 48, + 0, 50, 0, 0, 0, 0, 0, 60, 0, 0, + 64, 66, 65, 0, 68, 69, 67, 0, 0, 0, + 0, 0, 0, 71, 0, 70, 0, 0, 25, 0, + 18, 0, 16, 0, 73, 0, 73, 0, 0, 0, + 0, 32, 33, 0, 0, 0, 4, 5, 0, 6, + 0, 0, 0, 51, 63, 8, 9, 10, 0, 0, + 0, 0, 11, 0, 23, 0, 0, 0, 0, 0, + 34, 0, 0, 39, 0, 0, 28, 0, 0, 0, + 0, 0, 0, 55, 53, 54, 57, 59, 62, 13, + 14, 15, 0, 47, 22, 26, 19, 17, 0, 0, + 36, 0, 0, 20, 30, 31, 41, 43, 44, 0, + 0, 35, 72, 0, 40, 0, 0, 0, 37, 0, + 0, 12, 0, 0, 38, 0, 0, 0, 52, +}; +short yydgoto[] = { 1, + 34, 35, 71, 73, 75, 80, 84, 88, 45, 95, + 184, 125, 157, 96, +}; +short yysindex[] = { 0, + -224, -247, -239, -236, -232, -222, -204, -200, -181, -177, + 0, 0, 0, -166, 0, -161, -199, 0, 0, 0, + 0, -160, -159, -264, -158, 0, 0, 0, 0, 0, + -157, 0, 0, 0, 0, 0, -167, -162, 0, -156, + 0, -250, -198, -165, -155, -154, -153, -151, -150, -152, + 0, -145, -252, -229, -217, -302, 0, -144, -146, 0, + 0, -142, -141, -140, -139, -137, 0, -136, -135, 0, + -134, 0, -133, -132, -130, -131, -128, 0, -249, -127, + 0, 0, 0, -126, 0, 0, 0, -125, -152, -152, + -152, -205, -152, 0, -124, 0, -152, -152, 0, -152, + 0, -143, 0, -173, 0, -171, 0, -152, -123, -152, + -152, 0, 0, -152, -152, -152, 0, 0, -138, 0, + -164, -164, -122, 0, 0, 0, 0, 0, -121, -120, + -118, -148, 0, -117, 0, -116, -115, -114, -113, -112, + 0, -163, -111, 0, -110, -109, 0, -107, -106, -105, + -104, -103, -129, 0, 0, 0, 0, 0, 0, 0, + 0, 0, -101, 0, 0, 0, 0, 0, -100, -102, + 0, -98, -102, 0, 0, 0, 0, 0, 0, -99, + -97, 0, 0, -95, 0, -96, -94, -92, 0, -152, + -93, 0, -91, -90, 0, -88, -87, -86, 0, +}; +short yyrindex[] = { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, -83, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, -82, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, -81, -80, 0, -158, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +short yygindex[] = { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 16, -89, + -25, 35, 47, 0, +}; +#define YYTABLESIZE 190 +short yytable[] = { 129, + 130, 131, 104, 134, 59, 60, 76, 136, 137, 77, + 138, 78, 79, 105, 106, 107, 98, 99, 146, 123, + 148, 149, 36, 124, 150, 151, 152, 46, 47, 37, + 49, 2, 38, 52, 53, 54, 55, 39, 58, 100, + 101, 62, 63, 64, 65, 66, 40, 68, 69, 3, + 4, 102, 103, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 81, 132, 133, 41, 82, 83, 42, 14, + 51, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 43, 31, 32, + 33, 44, 85, 86, 154, 140, 141, 143, 144, 155, + 193, 87, 48, 156, 70, 170, 171, 50, 56, 72, + 57, 61, 67, 89, 90, 91, 74, 163, 93, 94, + 142, 92, 145, 97, 108, 109, 110, 111, 139, 112, + 113, 114, 115, 116, 153, 117, 118, 121, 119, 120, + 122, 180, 126, 127, 128, 135, 147, 186, 160, 161, + 124, 162, 164, 165, 166, 167, 168, 159, 173, 169, + 174, 172, 175, 176, 177, 178, 179, 181, 158, 182, + 183, 185, 190, 187, 189, 188, 191, 192, 195, 194, + 196, 0, 0, 198, 197, 73, 199, 49, 56, 58, +}; +short yycheck[] = { 89, + 90, 91, 305, 93, 269, 270, 257, 97, 98, 260, + 100, 262, 263, 316, 317, 318, 269, 270, 108, 269, + 110, 111, 270, 273, 114, 115, 116, 12, 13, 269, + 15, 256, 269, 18, 19, 20, 21, 270, 23, 269, + 270, 26, 27, 28, 29, 30, 269, 32, 33, 274, + 275, 269, 270, 278, 279, 280, 281, 282, 283, 284, + 285, 286, 261, 269, 270, 270, 265, 266, 269, 294, + 270, 296, 297, 298, 299, 300, 301, 302, 303, 304, + 305, 306, 307, 308, 309, 310, 311, 269, 313, 314, + 315, 269, 258, 259, 259, 269, 270, 269, 270, 264, + 190, 267, 269, 268, 272, 269, 270, 269, 269, 272, + 270, 270, 270, 269, 269, 269, 273, 266, 269, 272, + 105, 273, 107, 269, 269, 272, 269, 269, 272, 270, + 270, 269, 269, 269, 273, 270, 270, 269, 271, 270, + 269, 271, 270, 270, 270, 270, 270, 173, 270, 270, + 273, 270, 270, 270, 270, 270, 270, 123, 269, 272, + 270, 273, 270, 270, 270, 270, 270, 269, 122, 270, + 273, 270, 269, 273, 270, 273, 271, 270, 270, 273, + 271, -1, -1, 271, 273, 269, 273, 270, 270, 270, +}; +#define YYFINAL 1 +#ifndef YYDEBUG +#define YYDEBUG 0 +#endif +#define YYMAXTOKEN 319 +#if YYDEBUG +char *yyname[] = { +"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"A","B","C","E","F","I","L","N", +"P","R","S","T","SP","CRLF","COMMA","STRING","NUMBER","USER","PASS","ACCT", +"REIN","QUIT","PORT","PASV","TYPE","STRU","MODE","RETR","STOR","APPE","MLFL", +"MAIL","MSND","MSOM","MSAM","MRSQ","MRCP","ALLO","REST","RNFR","RNTO","ABOR", +"DELE","CWD","LIST","NLST","SITE","STAT","HELP","NOOP","MKD","RMD","PWD","CDUP", +"STOU","SMNT","SYST","SIZE","MDTM","UMASK","IDLE","CHMOD","LEXERR", +}; +char *yyrule[] = { +"$accept : cmd_list", +"cmd_list :", +"cmd_list : cmd_list cmd", +"cmd_list : cmd_list rcmd", +"cmd : USER SP username CRLF", +"cmd : PASS SP password CRLF", +"cmd : PORT SP host_port CRLF", +"cmd : PASV CRLF", +"cmd : TYPE SP type_code CRLF", +"cmd : STRU SP struct_code CRLF", +"cmd : MODE SP mode_code CRLF", +"cmd : ALLO SP NUMBER CRLF", +"cmd : ALLO SP NUMBER SP R SP NUMBER CRLF", +"cmd : RETR check_login SP pathname CRLF", +"cmd : STOR check_login SP pathname CRLF", +"cmd : APPE check_login SP pathname CRLF", +"cmd : NLST check_login CRLF", +"cmd : NLST check_login SP STRING CRLF", +"cmd : LIST check_login CRLF", +"cmd : LIST check_login SP pathname CRLF", +"cmd : STAT check_login SP pathname CRLF", +"cmd : STAT CRLF", +"cmd : DELE check_login SP pathname CRLF", +"cmd : RNTO SP pathname CRLF", +"cmd : ABOR CRLF", +"cmd : CWD check_login CRLF", +"cmd : CWD check_login SP pathname CRLF", +"cmd : HELP CRLF", +"cmd : HELP SP STRING CRLF", +"cmd : NOOP CRLF", +"cmd : MKD check_login SP pathname CRLF", +"cmd : RMD check_login SP pathname CRLF", +"cmd : PWD check_login CRLF", +"cmd : CDUP check_login CRLF", +"cmd : SITE SP HELP CRLF", +"cmd : SITE SP HELP SP STRING CRLF", +"cmd : SITE SP UMASK check_login CRLF", +"cmd : SITE SP UMASK check_login SP octal_number CRLF", +"cmd : SITE SP CHMOD check_login SP octal_number SP pathname CRLF", +"cmd : SITE SP IDLE CRLF", +"cmd : SITE SP IDLE SP NUMBER CRLF", +"cmd : STOU check_login SP pathname CRLF", +"cmd : SYST CRLF", +"cmd : SIZE check_login SP pathname CRLF", +"cmd : MDTM check_login SP pathname CRLF", +"cmd : QUIT CRLF", +"cmd : error CRLF", +"rcmd : RNFR check_login SP pathname CRLF", +"username : STRING", +"password :", +"password : STRING", +"byte_size : NUMBER", +"host_port : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER", +"form_code : N", +"form_code : T", +"form_code : C", +"type_code : A", +"type_code : A SP form_code", +"type_code : E", +"type_code : E SP form_code", +"type_code : I", +"type_code : L", +"type_code : L SP byte_size", +"type_code : L byte_size", +"struct_code : F", +"struct_code : R", +"struct_code : P", +"mode_code : S", +"mode_code : B", +"mode_code : C", +"pathname : pathstring", +"pathstring : STRING", +"octal_number : NUMBER", +"check_login :", +}; +#endif +#ifndef YYSTYPE +typedef int YYSTYPE; +#endif +#ifdef YYSTACKSIZE +#undef YYMAXDEPTH +#define YYMAXDEPTH YYSTACKSIZE +#else +#ifdef YYMAXDEPTH +#define YYSTACKSIZE YYMAXDEPTH +#else +#define YYSTACKSIZE 500 +#define YYMAXDEPTH 500 +#endif +#endif +int yydebug; +int yynerrs; +int yyerrflag; +int yychar; +short *yyssp; +YYSTYPE *yyvsp; +YYSTYPE yyval; +YYSTYPE yylval; +short yyss[YYSTACKSIZE]; +YYSTYPE yyvs[YYSTACKSIZE]; +#define yystacksize YYSTACKSIZE +#line 658 "ftp.y" + +extern jmp_buf errcatch; + +#define CMD 0 /* beginning of command */ +#define ARGS 1 /* expect miscellaneous arguments */ +#define STR1 2 /* expect SP followed by STRING */ +#define STR2 3 /* expect STRING */ +#define OSTR 4 /* optional SP then STRING */ +#define ZSTR1 5 /* SP then optional STRING */ +#define ZSTR2 6 /* optional STRING after SP */ +#define SITECMD 7 /* SITE command */ +#define NSTR 8 /* Number followed by a string */ + +struct tab { + char *name; + short token; + short state; + short implemented; /* 1 if command is implemented */ + char *help; +}; + +struct tab cmdtab[] = { /* In order defined in RFC 765 */ + { "USER", USER, STR1, 1, "<sp> username" }, + { "PASS", PASS, ZSTR1, 1, "<sp> password" }, + { "ACCT", ACCT, STR1, 0, "(specify account)" }, + { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, + { "REIN", REIN, ARGS, 0, "(reinitialize server state)" }, + { "QUIT", QUIT, ARGS, 1, "(terminate service)", }, + { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" }, + { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, + { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" }, + { "STRU", STRU, ARGS, 1, "(specify file structure)" }, + { "MODE", MODE, ARGS, 1, "(specify transfer mode)" }, + { "RETR", RETR, STR1, 1, "<sp> file-name" }, + { "STOR", STOR, STR1, 1, "<sp> file-name" }, + { "APPE", APPE, STR1, 1, "<sp> file-name" }, + { "MLFL", MLFL, OSTR, 0, "(mail file)" }, + { "MAIL", MAIL, OSTR, 0, "(mail to user)" }, + { "MSND", MSND, OSTR, 0, "(mail send to terminal)" }, + { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" }, + { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" }, + { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" }, + { "MRCP", MRCP, STR1, 0, "(mail recipient)" }, + { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" }, + { "REST", REST, ARGS, 0, "(restart command)" }, + { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, + { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, + { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, + { "DELE", DELE, STR1, 1, "<sp> file-name" }, + { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, + { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, + { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, + { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, + { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, + { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, + { "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" }, + { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, + { "NOOP", NOOP, ARGS, 1, "" }, + { "MKD", MKD, STR1, 1, "<sp> path-name" }, + { "XMKD", MKD, STR1, 1, "<sp> path-name" }, + { "RMD", RMD, STR1, 1, "<sp> path-name" }, + { "XRMD", RMD, STR1, 1, "<sp> path-name" }, + { "PWD", PWD, ARGS, 1, "(return current directory)" }, + { "XPWD", PWD, ARGS, 1, "(return current directory)" }, + { "CDUP", CDUP, ARGS, 1, "(change to parent directory)" }, + { "XCUP", CDUP, ARGS, 1, "(change to parent directory)" }, + { "STOU", STOU, STR1, 1, "<sp> file-name" }, + { "SIZE", SIZE, OSTR, 1, "<sp> path-name" }, + { "MDTM", MDTM, OSTR, 1, "<sp> path-name" }, + { NULL, 0, 0, 0, 0 } +}; + +struct tab sitetab[] = { + { "UMASK", UMASK, ARGS, 1, "[ <sp> umask ]" }, + { "IDLE", IDLE, ARGS, 1, "[ <sp> maximum-idle-time ]" }, + { "CHMOD", CHMOD, NSTR, 1, "<sp> mode <sp> file-name" }, + { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, + { NULL, 0, 0, 0, 0 } +}; + +struct tab * +lookup(p, cmd) + register struct tab *p; + char *cmd; +{ + + for (; p->name != NULL; p++) + if (strcmp(cmd, p->name) == 0) + return (p); + return (0); +} + +#include <arpa/telnet.h> + +/* + * getline - a hacked up version of fgets to ignore TELNET escape codes. + */ +char * +getline(s, n, iop) + char *s; + register FILE *iop; +{ + register c; + register char *cs; + + cs = s; +/* tmpline may contain saved command from urgent mode interruption */ + for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) { + *cs++ = tmpline[c]; + if (tmpline[c] == '\n') { + *cs++ = '\0'; + if (debug) + syslog(LOG_DEBUG, "command: %s", s); + tmpline[0] = '\0'; + return(s); + } + if (c == 0) + tmpline[0] = '\0'; + } + while ((c = getc(iop)) != EOF) { + c &= 0377; + if (c == IAC) { + if ((c = getc(iop)) != EOF) { + c &= 0377; + switch (c) { + case WILL: + case WONT: + c = getc(iop); + printf("%c%c%c", IAC, DONT, 0377&c); + (void) fflush(stdout); + continue; + case DO: + case DONT: + c = getc(iop); + printf("%c%c%c", IAC, WONT, 0377&c); + (void) fflush(stdout); + continue; + case IAC: + break; + default: + continue; /* ignore command */ + } + } + } + *cs++ = c; + if (--n <= 0 || c == '\n') + break; + } + if (c == EOF && cs == s) + return (NULL); + *cs++ = '\0'; + if (debug) + syslog(LOG_DEBUG, "command: %s", s); + return (s); +} + +static int +toolong() +{ + time_t now; + extern char *ctime(); + extern time_t time(); + + reply(421, + "Timeout (%d seconds): closing control connection.", timeout); + (void) time(&now); + if (logging) { + syslog(LOG_INFO, + "User %s timed out after %d seconds at %s", + (pw ? pw -> pw_name : "unknown"), timeout, ctime(&now)); + } + dologout(1); +} + +yylex() +{ + static int cpos, state; + register char *cp, *cp2; + register struct tab *p; + int n; + char c, *strpbrk(); + char *copy(); + + for (;;) { + switch (state) { + + case CMD: + (void) signal(SIGALRM, toolong); + (void) alarm((unsigned) timeout); + if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) { + reply(221, "You could at least say goodbye."); + dologout(0); + } + (void) alarm(0); +#ifdef SETPROCTITLE + if (strncasecmp(cbuf, "PASS", 4) != NULL) + setproctitle("%s: %s", proctitle, cbuf); +#endif /* SETPROCTITLE */ + if ((cp = index(cbuf, '\r'))) { + *cp++ = '\n'; + *cp = '\0'; + } + if ((cp = strpbrk(cbuf, " \n"))) + cpos = cp - cbuf; + if (cpos == 0) + cpos = 4; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + upper(cbuf); + p = lookup(cmdtab, cbuf); + cbuf[cpos] = c; + if (p != 0) { + if (p->implemented == 0) { + nack(p->name); + longjmp(errcatch,0); + /* NOTREACHED */ + } + state = p->state; + *(char **)&yylval = p->name; + return (p->token); + } + break; + + case SITECMD: + if (cbuf[cpos] == ' ') { + cpos++; + return (SP); + } + cp = &cbuf[cpos]; + if ((cp2 = strpbrk(cp, " \n"))) + cpos = cp2 - cbuf; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + upper(cp); + p = lookup(sitetab, cp); + cbuf[cpos] = c; + if (p != 0) { + if (p->implemented == 0) { + state = CMD; + nack(p->name); + longjmp(errcatch,0); + /* NOTREACHED */ + } + state = p->state; + *(char **)&yylval = p->name; + return (p->token); + } + state = CMD; + break; + + case OSTR: + if (cbuf[cpos] == '\n') { + state = CMD; + return (CRLF); + } + /* FALLTHROUGH */ + + case STR1: + case ZSTR1: + dostr1: + if (cbuf[cpos] == ' ') { + cpos++; + state = state == OSTR ? STR2 : ++state; + return (SP); + } + break; + + case ZSTR2: + if (cbuf[cpos] == '\n') { + state = CMD; + return (CRLF); + } + /* FALLTHROUGH */ + + case STR2: + cp = &cbuf[cpos]; + n = strlen(cp); + cpos += n - 1; + /* + * Make sure the string is nonempty and \n terminated. + */ + if (n > 1 && cbuf[cpos] == '\n') { + cbuf[cpos] = '\0'; + *(char **)&yylval = copy(cp); + cbuf[cpos] = '\n'; + state = ARGS; + return (STRING); + } + break; + + case NSTR: + if (cbuf[cpos] == ' ') { + cpos++; + return (SP); + } + if (isdigit(cbuf[cpos])) { + cp = &cbuf[cpos]; + while (isdigit(cbuf[++cpos])) + ; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + yylval = atoi(cp); + cbuf[cpos] = c; + state = STR1; + return (NUMBER); + } + state = STR1; + goto dostr1; + + case ARGS: + if (isdigit(cbuf[cpos])) { + cp = &cbuf[cpos]; + while (isdigit(cbuf[++cpos])) + ; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + yylval = atoi(cp); + cbuf[cpos] = c; + return (NUMBER); + } + switch (cbuf[cpos++]) { + + case '\n': + state = CMD; + return (CRLF); + + case ' ': + return (SP); + + case ',': + return (COMMA); + + case 'A': + case 'a': + return (A); + + case 'B': + case 'b': + return (B); + + case 'C': + case 'c': + return (C); + + case 'E': + case 'e': + return (E); + + case 'F': + case 'f': + return (F); + + case 'I': + case 'i': + return (I); + + case 'L': + case 'l': + return (L); + + case 'N': + case 'n': + return (N); + + case 'P': + case 'p': + return (P); + + case 'R': + case 'r': + return (R); + + case 'S': + case 's': + return (S); + + case 'T': + case 't': + return (T); + + } + break; + + default: + fatal("Unknown state in scanner."); + } + yyerror((char *) 0); + state = CMD; + longjmp(errcatch,0); + } +} + +upper(s) + register char *s; +{ + while (*s != '\0') { + if (islower(*s)) + *s = toupper(*s); + s++; + } +} + +char * +copy(s) + char *s; +{ + char *p; + extern char *malloc(), *strcpy(); + + p = malloc((unsigned) strlen(s) + 1); + if (p == NULL) + fatal("Ran out of memory."); + (void) strcpy(p, s); + return (p); +} + +help(ctab, s) + struct tab *ctab; + char *s; +{ + register struct tab *c; + register int width, NCMDS; + char *type; + + if (ctab == sitetab) + type = "SITE "; + else + type = ""; + width = 0, NCMDS = 0; + for (c = ctab; c->name != NULL; c++) { + int len = strlen(c->name); + + if (len > width) + width = len; + NCMDS++; + } + width = (width + 8) &~ 7; + if (s == 0) { + register int i, j, w; + int columns, lines; + + lreply(214, "The following %scommands are recognized %s.", + type, "(* =>'s unimplemented)"); + columns = 76 / width; + if (columns == 0) + columns = 1; + lines = (NCMDS + columns - 1) / columns; + for (i = 0; i < lines; i++) { + printf(" "); + for (j = 0; j < columns; j++) { + c = ctab + j * lines + i; + printf("%s%c", c->name, + c->implemented ? ' ' : '*'); + if (c + lines >= &ctab[NCMDS]) + break; + w = strlen(c->name) + 1; + while (w < width) { + putchar(' '); + w++; + } + } + printf("\r\n"); + } + (void) fflush(stdout); + reply(214, "Direct comments to ftp-bugs@%s.", hostname); + return; + } + upper(s); + c = lookup(ctab, s); + if (c == (struct tab *)0) { + reply(502, "Unknown command %s.", s); + return; + } + if (c->implemented) + reply(214, "Syntax: %s%s %s", type, c->name, c->help); + else + reply(214, "%s%-*s\t%s; unimplemented.", type, width, + c->name, c->help); +} + +sizecmd(filename) +char *filename; +{ + switch (type) { + case TYPE_L: + case TYPE_I: { + struct stat stbuf; + if (stat(filename, &stbuf) < 0 || + (stbuf.st_mode&S_IFMT) != S_IFREG) + reply(550, "%s: not a plain file.", filename); + else + reply(213, "%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); +} diff --git a/usr.bin/yacc/test/ftp.tab.h b/usr.bin/yacc/test/ftp.tab.h new file mode 100644 index 0000000..24f0791 --- /dev/null +++ b/usr.bin/yacc/test/ftp.tab.h @@ -0,0 +1,63 @@ +#define A 257 +#define B 258 +#define C 259 +#define E 260 +#define F 261 +#define I 262 +#define L 263 +#define N 264 +#define P 265 +#define R 266 +#define S 267 +#define T 268 +#define SP 269 +#define CRLF 270 +#define COMMA 271 +#define STRING 272 +#define NUMBER 273 +#define USER 274 +#define PASS 275 +#define ACCT 276 +#define REIN 277 +#define QUIT 278 +#define PORT 279 +#define PASV 280 +#define TYPE 281 +#define STRU 282 +#define MODE 283 +#define RETR 284 +#define STOR 285 +#define APPE 286 +#define MLFL 287 +#define MAIL 288 +#define MSND 289 +#define MSOM 290 +#define MSAM 291 +#define MRSQ 292 +#define MRCP 293 +#define ALLO 294 +#define REST 295 +#define RNFR 296 +#define RNTO 297 +#define ABOR 298 +#define DELE 299 +#define CWD 300 +#define LIST 301 +#define NLST 302 +#define SITE 303 +#define STAT 304 +#define HELP 305 +#define NOOP 306 +#define MKD 307 +#define RMD 308 +#define PWD 309 +#define CDUP 310 +#define STOU 311 +#define SMNT 312 +#define SYST 313 +#define SIZE 314 +#define MDTM 315 +#define UMASK 316 +#define IDLE 317 +#define CHMOD 318 +#define LEXERR 319 diff --git a/usr.bin/yacc/test/ftp.y b/usr.bin/yacc/test/ftp.y new file mode 100644 index 0000000..a9ee9cd --- /dev/null +++ b/usr.bin/yacc/test/ftp.y @@ -0,0 +1,1180 @@ +/* + * Copyright (c) 1985, 1988 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * @(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89 + */ + +/* + * Grammar for FTP commands. + * See RFC 959. + */ + +%{ + +#ifndef lint +static char sccsid[] = "@(#)ftpcmd.y 5.20.1.1 (Berkeley) 3/2/89"; +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/socket.h> + +#include <netinet/in.h> + +#include <arpa/ftp.h> + +#include <stdio.h> +#include <signal.h> +#include <ctype.h> +#include <pwd.h> +#include <setjmp.h> +#include <syslog.h> +#include <sys/stat.h> +#include <time.h> + +extern struct sockaddr_in data_dest; +extern int logged_in; +extern struct passwd *pw; +extern int guest; +extern int logging; +extern int type; +extern int form; +extern int debug; +extern int timeout; +extern int maxtimeout; +extern int pdata; +extern char hostname[], remotehost[]; +extern char proctitle[]; +extern char *globerr; +extern int usedefault; +extern int transflag; +extern char tmpline[]; +char **glob(); + +static int cmd_type; +static int cmd_form; +static int cmd_bytesz; +char cbuf[512]; +char *fromname; + +char *index(); +%} + +%token + A B C E F I + L N P R S T + + SP CRLF COMMA STRING NUMBER + + USER PASS ACCT REIN QUIT PORT + PASV TYPE STRU MODE RETR STOR + APPE MLFL MAIL MSND MSOM MSAM + MRSQ MRCP ALLO REST RNFR RNTO + ABOR DELE CWD LIST NLST SITE + STAT HELP NOOP MKD RMD PWD + CDUP STOU SMNT SYST SIZE MDTM + + UMASK IDLE CHMOD + + LEXERR + +%start cmd_list + +%% + +cmd_list: /* empty */ + | cmd_list cmd + = { + fromname = (char *) 0; + } + | cmd_list rcmd + ; + +cmd: USER SP username CRLF + = { + user((char *) $3); + free((char *) $3); + } + | PASS SP password CRLF + = { + pass((char *) $3); + free((char *) $3); + } + | PORT SP host_port CRLF + = { + usedefault = 0; + if (pdata >= 0) { + (void) close(pdata); + pdata = -1; + } + reply(200, "PORT command successful."); + } + | PASV CRLF + = { + passive(); + } + | TYPE SP type_code CRLF + = { + 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 */ + } + } + | STRU SP struct_code CRLF + = { + switch ($3) { + + case STRU_F: + reply(200, "STRU F ok."); + break; + + default: + reply(504, "Unimplemented STRU type."); + } + } + | MODE SP mode_code CRLF + = { + switch ($3) { + + case MODE_S: + reply(200, "MODE S ok."); + break; + + default: + reply(502, "Unimplemented MODE type."); + } + } + | ALLO SP NUMBER CRLF + = { + reply(202, "ALLO command ignored."); + } + | ALLO SP NUMBER SP R SP NUMBER CRLF + = { + reply(202, "ALLO command ignored."); + } + | RETR check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + retrieve((char *) 0, (char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | STOR check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + store((char *) $4, "w", 0); + if ($4 != NULL) + free((char *) $4); + } + | APPE check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + store((char *) $4, "a", 0); + if ($4 != NULL) + free((char *) $4); + } + | NLST check_login CRLF + = { + if ($2) + send_file_list("."); + } + | NLST check_login SP STRING CRLF + = { + if ($2 && $4 != NULL) + send_file_list((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | LIST check_login CRLF + = { + if ($2) + retrieve("/bin/ls -lgA", ""); + } + | LIST check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + retrieve("/bin/ls -lgA %s", (char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | STAT check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + statfilecmd((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | STAT CRLF + = { + statcmd(); + } + | DELE check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + delete((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | RNTO SP pathname CRLF + = { + if (fromname) { + renamecmd(fromname, (char *) $3); + free(fromname); + fromname = (char *) 0; + } else { + reply(503, "Bad sequence of commands."); + } + free((char *) $3); + } + | ABOR CRLF + = { + reply(225, "ABOR command successful."); + } + | CWD check_login CRLF + = { + if ($2) + cwd(pw->pw_dir); + } + | CWD check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + cwd((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | HELP CRLF + = { + help(cmdtab, (char *) 0); + } + | HELP SP STRING CRLF + = { + register char *cp = (char *)$3; + + if (strncasecmp(cp, "SITE", 4) == 0) { + cp = (char *)$3 + 4; + if (*cp == ' ') + cp++; + if (*cp) + help(sitetab, cp); + else + help(sitetab, (char *) 0); + } else + help(cmdtab, (char *) $3); + } + | NOOP CRLF + = { + reply(200, "NOOP command successful."); + } + | MKD check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + makedir((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | RMD check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + removedir((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + | PWD check_login CRLF + = { + if ($2) + pwd(); + } + | CDUP check_login CRLF + = { + if ($2) + cwd(".."); + } + | SITE SP HELP CRLF + = { + help(sitetab, (char *) 0); + } + | SITE SP HELP SP STRING CRLF + = { + help(sitetab, (char *) $5); + } + | SITE SP UMASK check_login CRLF + = { + int oldmask; + + if ($4) { + oldmask = umask(0); + (void) umask(oldmask); + reply(200, "Current UMASK is %03o", oldmask); + } + } + | SITE SP UMASK check_login SP octal_number CRLF + = { + int oldmask; + + if ($4) { + if (($6 == -1) || ($6 > 0777)) { + reply(501, "Bad UMASK value"); + } else { + oldmask = umask($6); + reply(200, + "UMASK set to %03o (was %03o)", + $6, oldmask); + } + } + } + | SITE SP CHMOD check_login SP octal_number SP pathname CRLF + = { + if ($4 && ($8 != NULL)) { + if ($6 > 0777) + reply(501, + "CHMOD: Mode value must be between 0 and 0777"); + else if (chmod((char *) $8, $6) < 0) + perror_reply(550, (char *) $8); + else + reply(200, "CHMOD command successful."); + } + if ($8 != NULL) + free((char *) $8); + } + | SITE SP IDLE CRLF + = { + reply(200, + "Current IDLE time limit is %d seconds; max %d", + timeout, maxtimeout); + } + | SITE SP IDLE SP NUMBER CRLF + = { + if ($5 < 30 || $5 > maxtimeout) { + reply(501, + "Maximum IDLE time must be between 30 and %d seconds", + maxtimeout); + } else { + timeout = $5; + (void) alarm((unsigned) timeout); + reply(200, + "Maximum IDLE time set to %d seconds", + timeout); + } + } + | STOU check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + store((char *) $4, "w", 1); + if ($4 != NULL) + free((char *) $4); + } + | SYST CRLF + = { +#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 */ + } + + /* + * SIZE is not in RFC959, but Postel has blessed it and + * it will be in the updated RFC. + * + * Return size of file in a format suitable for + * using with RESTART (we just count bytes). + */ + | SIZE check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) + sizecmd((char *) $4); + if ($4 != NULL) + free((char *) $4); + } + + /* + * MDTM is not in RFC959, but Postel has blessed it and + * it will be in the updated RFC. + * + * Return modification time of file as an ISO 3307 + * style time. E.g. YYYYMMDDHHMMSS or YYYYMMDDHHMMSS.xxx + * where xxx is the fractional second (of any precision, + * not necessarily 3 digits) + */ + | MDTM check_login SP pathname CRLF + = { + if ($2 && $4 != NULL) { + struct stat stbuf; + if (stat((char *) $4, &stbuf) < 0) + perror_reply(550, "%s", (char *) $4); + else if ((stbuf.st_mode&S_IFMT) != S_IFREG) { + reply(550, "%s: not a plain file.", + (char *) $4); + } 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 ($4 != NULL) + free((char *) $4); + } + | QUIT CRLF + = { + reply(221, "Goodbye."); + dologout(0); + } + | error CRLF + = { + yyerrok; + } + ; +rcmd: RNFR check_login SP pathname CRLF + = { + char *renamefrom(); + + if ($2 && $4) { + fromname = renamefrom((char *) $4); + if (fromname == (char *) 0 && $4) { + free((char *) $4); + } + } + } + ; + +username: STRING + ; + +password: /* empty */ + = { + *(char **)&($$) = ""; + } + | STRING + ; + +byte_size: NUMBER + ; + +host_port: NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA + NUMBER COMMA NUMBER + = { + register char *a, *p; + + a = (char *)&data_dest.sin_addr; + a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7; + p = (char *)&data_dest.sin_port; + p[0] = $9; p[1] = $11; + data_dest.sin_family = AF_INET; + } + ; + +form_code: N + = { + $$ = FORM_N; + } + | T + = { + $$ = FORM_T; + } + | C + = { + $$ = FORM_C; + } + ; + +type_code: A + = { + cmd_type = TYPE_A; + cmd_form = FORM_N; + } + | A SP form_code + = { + cmd_type = TYPE_A; + cmd_form = $3; + } + | E + = { + cmd_type = TYPE_E; + cmd_form = FORM_N; + } + | E SP form_code + = { + cmd_type = TYPE_E; + cmd_form = $3; + } + | I + = { + cmd_type = TYPE_I; + } + | L + = { + cmd_type = TYPE_L; + cmd_bytesz = NBBY; + } + | L SP byte_size + = { + cmd_type = TYPE_L; + cmd_bytesz = $3; + } + /* this is for a bug in the BBN ftp */ + | L byte_size + = { + cmd_type = TYPE_L; + cmd_bytesz = $2; + } + ; + +struct_code: F + = { + $$ = STRU_F; + } + | R + = { + $$ = STRU_R; + } + | P + = { + $$ = STRU_P; + } + ; + +mode_code: S + = { + $$ = MODE_S; + } + | B + = { + $$ = MODE_B; + } + | C + = { + $$ = MODE_C; + } + ; + +pathname: pathstring + = { + /* + * 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 && $1 && strncmp((char *) $1, "~", 1) == 0) { + *(char **)&($$) = *glob((char *) $1); + if (globerr != NULL) { + reply(550, globerr); + $$ = NULL; + } + free((char *) $1); + } else + $$ = $1; + } + ; + +pathstring: STRING + ; + +octal_number: NUMBER + = { + register int ret, dec, multby, digit; + + /* + * Convert a number that was read as decimal number + * to what it would be if it had been read as octal. + */ + dec = $1; + multby = 1; + ret = 0; + while (dec) { + digit = dec%10; + if (digit > 7) { + ret = -1; + break; + } + ret += digit * multby; + multby *= 8; + dec /= 10; + } + $$ = ret; + } + ; + +check_login: /* empty */ + = { + if (logged_in) + $$ = 1; + else { + reply(530, "Please login with USER and PASS."); + $$ = 0; + } + } + ; + +%% + +extern jmp_buf errcatch; + +#define CMD 0 /* beginning of command */ +#define ARGS 1 /* expect miscellaneous arguments */ +#define STR1 2 /* expect SP followed by STRING */ +#define STR2 3 /* expect STRING */ +#define OSTR 4 /* optional SP then STRING */ +#define ZSTR1 5 /* SP then optional STRING */ +#define ZSTR2 6 /* optional STRING after SP */ +#define SITECMD 7 /* SITE command */ +#define NSTR 8 /* Number followed by a string */ + +struct tab { + char *name; + short token; + short state; + short implemented; /* 1 if command is implemented */ + char *help; +}; + +struct tab cmdtab[] = { /* In order defined in RFC 765 */ + { "USER", USER, STR1, 1, "<sp> username" }, + { "PASS", PASS, ZSTR1, 1, "<sp> password" }, + { "ACCT", ACCT, STR1, 0, "(specify account)" }, + { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, + { "REIN", REIN, ARGS, 0, "(reinitialize server state)" }, + { "QUIT", QUIT, ARGS, 1, "(terminate service)", }, + { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" }, + { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, + { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" }, + { "STRU", STRU, ARGS, 1, "(specify file structure)" }, + { "MODE", MODE, ARGS, 1, "(specify transfer mode)" }, + { "RETR", RETR, STR1, 1, "<sp> file-name" }, + { "STOR", STOR, STR1, 1, "<sp> file-name" }, + { "APPE", APPE, STR1, 1, "<sp> file-name" }, + { "MLFL", MLFL, OSTR, 0, "(mail file)" }, + { "MAIL", MAIL, OSTR, 0, "(mail to user)" }, + { "MSND", MSND, OSTR, 0, "(mail send to terminal)" }, + { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" }, + { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" }, + { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" }, + { "MRCP", MRCP, STR1, 0, "(mail recipient)" }, + { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" }, + { "REST", REST, ARGS, 0, "(restart command)" }, + { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, + { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, + { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, + { "DELE", DELE, STR1, 1, "<sp> file-name" }, + { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, + { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, + { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, + { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, + { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, + { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, + { "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" }, + { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, + { "NOOP", NOOP, ARGS, 1, "" }, + { "MKD", MKD, STR1, 1, "<sp> path-name" }, + { "XMKD", MKD, STR1, 1, "<sp> path-name" }, + { "RMD", RMD, STR1, 1, "<sp> path-name" }, + { "XRMD", RMD, STR1, 1, "<sp> path-name" }, + { "PWD", PWD, ARGS, 1, "(return current directory)" }, + { "XPWD", PWD, ARGS, 1, "(return current directory)" }, + { "CDUP", CDUP, ARGS, 1, "(change to parent directory)" }, + { "XCUP", CDUP, ARGS, 1, "(change to parent directory)" }, + { "STOU", STOU, STR1, 1, "<sp> file-name" }, + { "SIZE", SIZE, OSTR, 1, "<sp> path-name" }, + { "MDTM", MDTM, OSTR, 1, "<sp> path-name" }, + { NULL, 0, 0, 0, 0 } +}; + +struct tab sitetab[] = { + { "UMASK", UMASK, ARGS, 1, "[ <sp> umask ]" }, + { "IDLE", IDLE, ARGS, 1, "[ <sp> maximum-idle-time ]" }, + { "CHMOD", CHMOD, NSTR, 1, "<sp> mode <sp> file-name" }, + { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, + { NULL, 0, 0, 0, 0 } +}; + +struct tab * +lookup(p, cmd) + register struct tab *p; + char *cmd; +{ + + for (; p->name != NULL; p++) + if (strcmp(cmd, p->name) == 0) + return (p); + return (0); +} + +#include <arpa/telnet.h> + +/* + * getline - a hacked up version of fgets to ignore TELNET escape codes. + */ +char * +getline(s, n, iop) + char *s; + register FILE *iop; +{ + register c; + register char *cs; + + cs = s; +/* tmpline may contain saved command from urgent mode interruption */ + for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) { + *cs++ = tmpline[c]; + if (tmpline[c] == '\n') { + *cs++ = '\0'; + if (debug) + syslog(LOG_DEBUG, "command: %s", s); + tmpline[0] = '\0'; + return(s); + } + if (c == 0) + tmpline[0] = '\0'; + } + while ((c = getc(iop)) != EOF) { + c &= 0377; + if (c == IAC) { + if ((c = getc(iop)) != EOF) { + c &= 0377; + switch (c) { + case WILL: + case WONT: + c = getc(iop); + printf("%c%c%c", IAC, DONT, 0377&c); + (void) fflush(stdout); + continue; + case DO: + case DONT: + c = getc(iop); + printf("%c%c%c", IAC, WONT, 0377&c); + (void) fflush(stdout); + continue; + case IAC: + break; + default: + continue; /* ignore command */ + } + } + } + *cs++ = c; + if (--n <= 0 || c == '\n') + break; + } + if (c == EOF && cs == s) + return (NULL); + *cs++ = '\0'; + if (debug) + syslog(LOG_DEBUG, "command: %s", s); + return (s); +} + +static int +toolong() +{ + time_t now; + extern char *ctime(); + extern time_t time(); + + reply(421, + "Timeout (%d seconds): closing control connection.", timeout); + (void) time(&now); + if (logging) { + syslog(LOG_INFO, + "User %s timed out after %d seconds at %s", + (pw ? pw -> pw_name : "unknown"), timeout, ctime(&now)); + } + dologout(1); +} + +yylex() +{ + static int cpos, state; + register char *cp, *cp2; + register struct tab *p; + int n; + char c, *strpbrk(); + char *copy(); + + for (;;) { + switch (state) { + + case CMD: + (void) signal(SIGALRM, toolong); + (void) alarm((unsigned) timeout); + if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) { + reply(221, "You could at least say goodbye."); + dologout(0); + } + (void) alarm(0); +#ifdef SETPROCTITLE + if (strncasecmp(cbuf, "PASS", 4) != NULL) + setproctitle("%s: %s", proctitle, cbuf); +#endif /* SETPROCTITLE */ + if ((cp = index(cbuf, '\r'))) { + *cp++ = '\n'; + *cp = '\0'; + } + if ((cp = strpbrk(cbuf, " \n"))) + cpos = cp - cbuf; + if (cpos == 0) + cpos = 4; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + upper(cbuf); + p = lookup(cmdtab, cbuf); + cbuf[cpos] = c; + if (p != 0) { + if (p->implemented == 0) { + nack(p->name); + longjmp(errcatch,0); + /* NOTREACHED */ + } + state = p->state; + *(char **)&yylval = p->name; + return (p->token); + } + break; + + case SITECMD: + if (cbuf[cpos] == ' ') { + cpos++; + return (SP); + } + cp = &cbuf[cpos]; + if ((cp2 = strpbrk(cp, " \n"))) + cpos = cp2 - cbuf; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + upper(cp); + p = lookup(sitetab, cp); + cbuf[cpos] = c; + if (p != 0) { + if (p->implemented == 0) { + state = CMD; + nack(p->name); + longjmp(errcatch,0); + /* NOTREACHED */ + } + state = p->state; + *(char **)&yylval = p->name; + return (p->token); + } + state = CMD; + break; + + case OSTR: + if (cbuf[cpos] == '\n') { + state = CMD; + return (CRLF); + } + /* FALLTHROUGH */ + + case STR1: + case ZSTR1: + dostr1: + if (cbuf[cpos] == ' ') { + cpos++; + state = state == OSTR ? STR2 : ++state; + return (SP); + } + break; + + case ZSTR2: + if (cbuf[cpos] == '\n') { + state = CMD; + return (CRLF); + } + /* FALLTHROUGH */ + + case STR2: + cp = &cbuf[cpos]; + n = strlen(cp); + cpos += n - 1; + /* + * Make sure the string is nonempty and \n terminated. + */ + if (n > 1 && cbuf[cpos] == '\n') { + cbuf[cpos] = '\0'; + *(char **)&yylval = copy(cp); + cbuf[cpos] = '\n'; + state = ARGS; + return (STRING); + } + break; + + case NSTR: + if (cbuf[cpos] == ' ') { + cpos++; + return (SP); + } + if (isdigit(cbuf[cpos])) { + cp = &cbuf[cpos]; + while (isdigit(cbuf[++cpos])) + ; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + yylval = atoi(cp); + cbuf[cpos] = c; + state = STR1; + return (NUMBER); + } + state = STR1; + goto dostr1; + + case ARGS: + if (isdigit(cbuf[cpos])) { + cp = &cbuf[cpos]; + while (isdigit(cbuf[++cpos])) + ; + c = cbuf[cpos]; + cbuf[cpos] = '\0'; + yylval = atoi(cp); + cbuf[cpos] = c; + return (NUMBER); + } + switch (cbuf[cpos++]) { + + case '\n': + state = CMD; + return (CRLF); + + case ' ': + return (SP); + + case ',': + return (COMMA); + + case 'A': + case 'a': + return (A); + + case 'B': + case 'b': + return (B); + + case 'C': + case 'c': + return (C); + + case 'E': + case 'e': + return (E); + + case 'F': + case 'f': + return (F); + + case 'I': + case 'i': + return (I); + + case 'L': + case 'l': + return (L); + + case 'N': + case 'n': + return (N); + + case 'P': + case 'p': + return (P); + + case 'R': + case 'r': + return (R); + + case 'S': + case 's': + return (S); + + case 'T': + case 't': + return (T); + + } + break; + + default: + fatal("Unknown state in scanner."); + } + yyerror((char *) 0); + state = CMD; + longjmp(errcatch,0); + } +} + +upper(s) + register char *s; +{ + while (*s != '\0') { + if (islower(*s)) + *s = toupper(*s); + s++; + } +} + +char * +copy(s) + char *s; +{ + char *p; + extern char *malloc(), *strcpy(); + + p = malloc((unsigned) strlen(s) + 1); + if (p == NULL) + fatal("Ran out of memory."); + (void) strcpy(p, s); + return (p); +} + +help(ctab, s) + struct tab *ctab; + char *s; +{ + register struct tab *c; + register int width, NCMDS; + char *type; + + if (ctab == sitetab) + type = "SITE "; + else + type = ""; + width = 0, NCMDS = 0; + for (c = ctab; c->name != NULL; c++) { + int len = strlen(c->name); + + if (len > width) + width = len; + NCMDS++; + } + width = (width + 8) &~ 7; + if (s == 0) { + register int i, j, w; + int columns, lines; + + lreply(214, "The following %scommands are recognized %s.", + type, "(* =>'s unimplemented)"); + columns = 76 / width; + if (columns == 0) + columns = 1; + lines = (NCMDS + columns - 1) / columns; + for (i = 0; i < lines; i++) { + printf(" "); + for (j = 0; j < columns; j++) { + c = ctab + j * lines + i; + printf("%s%c", c->name, + c->implemented ? ' ' : '*'); + if (c + lines >= &ctab[NCMDS]) + break; + w = strlen(c->name) + 1; + while (w < width) { + putchar(' '); + w++; + } + } + printf("\r\n"); + } + (void) fflush(stdout); + reply(214, "Direct comments to ftp-bugs@%s.", hostname); + return; + } + upper(s); + c = lookup(ctab, s); + if (c == (struct tab *)0) { + reply(502, "Unknown command %s.", s); + return; + } + if (c->implemented) + reply(214, "Syntax: %s%s %s", type, c->name, c->help); + else + reply(214, "%s%-*s\t%s; unimplemented.", type, width, + c->name, c->help); +} + +sizecmd(filename) +char *filename; +{ + switch (type) { + case TYPE_L: + case TYPE_I: { + struct stat stbuf; + if (stat(filename, &stbuf) < 0 || + (stbuf.st_mode&S_IFMT) != S_IFREG) + reply(550, "%s: not a plain file.", filename); + else + reply(213, "%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]); + } +} |