![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to commands.l CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDReno / usr.sbin / named / tools / nslookup|
Return to commands.l CVS log | Up to [CSRG BSD Unix] / 43BSDReno / usr.sbin / named / tools / nslookup |
1.1 ! root 1: %{ ! 2: ! 3: /*- ! 4: * Copyright (c) 1985 The Regents of the University of California. ! 5: * All rights reserved. ! 6: * ! 7: * Redistribution and use in source and binary forms are permitted provided ! 8: * that: (1) source distributions retain this entire copyright notice and ! 9: * comment, and (2) distributions including binaries display the following ! 10: * acknowledgement: ``This product includes software developed by the ! 11: * University of California, Berkeley and its contributors'' in the ! 12: * documentation or other materials provided with the distribution and in ! 13: * all advertising materials mentioning features or use of this software. ! 14: * Neither the name of the University nor the names of its contributors may ! 15: * be used to endorse or promote products derived from this software without ! 16: * specific prior written permission. ! 17: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 18: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 19: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 20: */ ! 21: ! 22: #ifndef lint ! 23: static char sccsid[] = "@(#)commands.l 5.13 (Berkeley) 7/24/90"; ! 24: #endif /* not lint */ ! 25: ! 26: /* ! 27: ******************************************************************************* ! 28: * ! 29: * commands.l ! 30: * ! 31: * Andrew Cherenson CS298-26 Fall 1985 ! 32: * ! 33: * Lex input file for the nslookup program command interpreter. ! 34: * When a sequence is recognized, the associated action ! 35: * routine is called. The action routine may need to ! 36: * parse the string for additional information. ! 37: * ! 38: * Recognized commands: (identifiers are shown in uppercase) ! 39: * ! 40: * server NAME - set default server to NAME, using default server ! 41: * lserver NAME - set default server to NAME, using initial server ! 42: * finger [NAME] - finger the optional NAME ! 43: * exit - exit the program ! 44: * root - set default server to the root ! 45: * ls NAME - list the domain NAME ! 46: * view FILE - sorts and view the file with more ! 47: * set OPTION - set an option ! 48: * help - print help information ! 49: * ? - print help information ! 50: * NAME - print info about the host/domain NAME ! 51: * using default server. ! 52: * NAME1 NAME2 - as above, but use NAME2 as server ! 53: * ! 54: * ! 55: * yylex Results: ! 56: * 0 upon end-of-file. ! 57: * 1 after each command. ! 58: * ! 59: ******************************************************************************* ! 60: */ ! 61: ! 62: #include "res.h" ! 63: extern char rootServerName[]; ! 64: ! 65: %} ! 66: WS [ \t] ! 67: FLET [A-Za-z0-9.*\\] ! 68: LET [A-Za-z0-9.*] ! 69: NAME [A-Za-z0-9.*=_/-] ! 70: %% ! 71: ^{WS}*server{WS}+{LET}{NAME}*{WS}*$ { ! 72: /* ! 73: * 0 == use current server to find ! 74: * the new one. ! 75: * 1 == use original server to find ! 76: * the new one. ! 77: */ ! 78: SetDefaultServer(yytext, 0); ! 79: return(1); ! 80: } ! 81: ^{WS}*lserver{WS}+{LET}{NAME}*{WS}*$ { ! 82: SetDefaultServer(yytext, 1); ! 83: return(1); ! 84: } ! 85: ^{WS}*exit{WS}*$ { ! 86: return(0); ! 87: } ! 88: ^{WS}*root{WS}*$ { ! 89: SetDefaultServer(rootServerName, 1); ! 90: return(1); ! 91: } ! 92: ^{WS}*finger({WS}+{LET}{NAME}*)?{WS}+>>?{WS}*{NAME}+{WS}*$ { ! 93: /* ! 94: * 2nd arg. ! 95: * 0 == output to stdout ! 96: * 1 == output to file ! 97: */ ! 98: Finger(yytext, 1); ! 99: return(1); ! 100: } ! 101: ^{WS}*finger({WS}+{LET}{NAME}*)?{WS}*$ { ! 102: Finger(yytext, 0); ! 103: return(1); ! 104: } ! 105: ^{WS}*view{WS}+{NAME}+{WS}*$ { ! 106: ViewList(yytext); ! 107: return(1); ! 108: } ! 109: ^{WS}*ls{WS}+(("-a"|"-d"|"-h"|"-m"|"-s"){WS}+)?{LET}{NAME}*{WS}+>>?{WS}+{NAME}+{WS}*$ { ! 110: /* ! 111: * 2nd arg. ! 112: * 0 == output to stdout ! 113: * 1 == output to file ! 114: */ ! 115: ListHosts(yytext, 1); ! 116: return(1); ! 117: } ! 118: ^{WS}*ls{WS}+(("-a"|"-d"|"-h"|"-m"|"-s"){WS}+)?{LET}{NAME}*{WS}*$ { ! 119: ListHosts(yytext, 0); ! 120: return(1); ! 121: } ! 122: ^{WS}*ls{WS}+-t{WS}+({LET}{NAME}*{WS}+)?{LET}{NAME}*{WS}+>>?{WS}+{NAME}+{WS}*$ { ! 123: /* ! 124: * 2nd arg. ! 125: * 0 == output to stdout ! 126: * 1 == output to file ! 127: */ ! 128: ListHostsByType(yytext, 1); ! 129: return(1); ! 130: } ! 131: ^{WS}*ls{WS}+-t{WS}+({LET}{NAME}*{WS}+)?{LET}{NAME}*{WS}*$ { ! 132: ListHostsByType(yytext, 0); ! 133: return(1); ! 134: } ! 135: ^{WS}*set{WS}+{NAME}+{WS}*$ { ! 136: SetOption(yytext); ! 137: return(1); ! 138: } ! 139: ^{WS}*help{WS}*$ { ! 140: extern void PrintHelp(); ! 141: ! 142: PrintHelp(); ! 143: return(1); ! 144: } ! 145: ^{WS}*"?"{WS}*$ { ! 146: PrintHelp(); ! 147: return(1); ! 148: } ! 149: ^{WS}*{FLET}{NAME}*{WS}+>>?{WS}*{NAME}+{WS}*$ { ! 150: /* ! 151: * 0 == output to stdout ! 152: * 1 == output to file ! 153: */ ! 154: LookupHost(yytext, 1); ! 155: return(1); ! 156: } ! 157: ^{WS}*{FLET}{NAME}*{WS}*$ { ! 158: LookupHost(yytext, 0); ! 159: return(1); ! 160: } ! 161: ^{WS}*{FLET}{NAME}*{WS}+{LET}{NAME}*{WS}+>>?{WS}*{NAME}+{WS}*$ { ! 162: /* ! 163: * 0 == output to stdout ! 164: * 1 == output to file ! 165: */ ! 166: LookupHostWithServer(yytext, 1); ! 167: return(1); ! 168: } ! 169: ^{WS}*{FLET}{NAME}*{WS}+{LET}{NAME}*{WS}*$ { ! 170: LookupHostWithServer(yytext, 0); ! 171: return(1); ! 172: } ! 173: ^{WS}*\n { ! 174: return(1); ! 175: } ! 176: ^.*\n { ! 177: printf("Unrecognized command: %s", ! 178: yytext); ! 179: return(1); ! 180: } ! 181: \n { ; } ! 182: %%
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.