139 lines
3.0 KiB
Plaintext
139 lines
3.0 KiB
Plaintext
%{
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/*
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* CU sudo version 1.3.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please send bugs, changes, problems to sudo-bugs@cs.colorado.edu
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*
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*******************************************************************
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*
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* parse.lex -- lexigraphical analyzer for sudo.
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*
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* Chris Jepeway <jepeway@cs.utk.edu>
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*/
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#ifndef lint
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static char rcsid[] = "$Id$";
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#endif /* lint */
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#include "config.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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#include "sudo.h"
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#include "options.h"
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#include "y.tab.h"
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extern YYSTYPE yylval;
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int sudolineno = 1;
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static int fill __P((void));
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#ifdef TRACELEXER
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#define LEXTRACE(msg) fputs(msg, stderr)
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#else
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#define LEXTRACE(msg)
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#endif
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%}
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D [0-9]
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N {D}{1,3}
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%e 4000
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%p 6000
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%k 3500
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%%
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[ \t]+ { ; } /* throw away space/tabs */
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\\\n {
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++sudolineno;
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LEXTRACE("\n\t");
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} /* throw away EOL after \ */
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\, { return ','; } /* return ',' */
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\! { return '!'; } /* return '!' */
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= {
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LEXTRACE("= ");
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return '=';
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} /* return '=' */
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: {
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LEXTRACE(": ");
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return ':';
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} /* return ':' */
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\. { return '.'; }
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\n {
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++sudolineno;
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LEXTRACE("\n");
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return COMMENT;
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} /* return newline */
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#.*\n {
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++sudolineno;
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LEXTRACE("\n");
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return COMMENT;
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} /* return comments */
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[@$%^&*()"'`/_+.]* { return ERROR; } /* return error */
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[?;<>\[\]{}|~-]* { return ERROR; } /* return error */
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[0-9_]+ { return ERROR; } /* return error */
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{N}\.{N}\.{N}\.{N} { fill(); return NTWKADDR; }
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\/([a-zA-Z0-9_.+-]+\/?)+ {
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LEXTRACE("PATH ");
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fill();
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return PATH;
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} /* a pathname */
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[A-Z][A-Z0-9_]* {
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fill();
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if (strcmp(yytext, "ALL") == 0) {
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LEXTRACE("ALL ");
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return ALL;
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}
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LEXTRACE("ALIAS ");
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return ALIAS;
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}
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[a-zA-Z][a-zA-Z0-9_-]* {
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int l;
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fill();
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if (strcmp(yytext, "Host_Alias") == 0) {
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LEXTRACE("HOSTALIAS ");
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return HOSTALIAS;
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}
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if (strcmp(yytext, "Cmnd_Alias") == 0) {
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LEXTRACE("CMNDALIAS ");
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return CMNDALIAS;
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}
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l = strlen(yytext) - 1;
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if (isalpha(yytext[l]) || isdigit(yytext[l])) {
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/* NAME is what RFC1034 calls a label */
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LEXTRACE("NAME ");
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return NAME;
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}
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return ERROR;
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}
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%%
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static int fill() {
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(void) strcpy(yylval.string, yytext);
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}
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