blob: b256aa830d29e30c8ae2ccda2881bdf4dc764aaf [file] [log] [blame]
/*********************************************************************************************************
* Software License Agreement (BSD License) *
* Author: Sebastien Decugis <sdecugis@freediameter.net> *
* *
* Copyright (c) 2013, WIDE Project and NICT *
* All rights reserved. *
* *
* Redistribution and use of this software in source and binary forms, with or without modification, are *
* permitted provided that the following conditions are met: *
* *
* * Redistributions of source code must retain the above *
* copyright notice, this list of conditions and the *
* following disclaimer. *
* *
* * Redistributions in binary form must reproduce the above *
* copyright notice, this list of conditions and the *
* following disclaimer in the documentation and/or other *
* materials provided with the distribution. *
* *
* * Neither the name of the WIDE Project or NICT nor the *
* names of its contributors may be used to endorse or *
* promote products derived from this software without *
* specific prior written permission of WIDE Project and *
* NICT. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
*********************************************************************************************************/
/* Tokenizer
*
*/
%{
#include "rt_default.h"
/* Include yacc tokens definitions */
#include "rtd_conf.tab.h"
/* Update the column information */
#define YY_USER_ACTION { \
yylloc->first_column = yylloc->last_column + 1; \
yylloc->last_column = yylloc->first_column + yyleng - 1; \
}
/* Avoid warning with newer flex */
#define YY_NO_INPUT
%}
qstring \"[^\"\n]*\"
%option bison-bridge bison-locations
%option noyywrap
%option nounput
%%
/* Update the line count */
\n {
yylloc->first_line++;
yylloc->last_line++;
yylloc->last_column=0;
}
/* Eat all spaces but not new lines */
([[:space:]]{-}[\n])+ ;
/* Eat all comments */
#.*$ ;
/* Recognize any integer */
[-]?[[:digit:]]+ {
/* Convert this to an integer value */
int ret=0;
ret = sscanf(yytext, "%i", &yylval->integer);
if (ret != 1) {
/* No matching: an error occurred */
fd_log_debug("Unable to convert the value '%s' to a valid number: %s", yytext, strerror(errno));
return LEX_ERROR; /* trig an error in yacc parser */
/* Maybe we could REJECT instead of failing here? */
}
return INTEGER;
}
/* In addition, recognize some constant names as integers also */
(?i:"NO_DELIVERY") { yylval->integer = FD_SCORE_NO_DELIVERY; return INTEGER; }
(?i:"DEFAULT") { yylval->integer = FD_SCORE_DEFAULT; return INTEGER; }
(?i:"DEFAULT_REALM") { yylval->integer = FD_SCORE_DEFAULT_REALM; return INTEGER; }
(?i:"REALM") { yylval->integer = FD_SCORE_REALM; return INTEGER; }
(?i:"REDIR_HOST") { yylval->integer = FD_SCORE_REDIR_HOST; return INTEGER; }
(?i:"REDIR_APP") { yylval->integer = FD_SCORE_REDIR_APP; return INTEGER; }
(?i:"REDIR_REALM") { yylval->integer = FD_SCORE_REDIR_REALM; return INTEGER; }
(?i:"REDIR_REALM_APP") { yylval->integer = FD_SCORE_REDIR_REALM_APP; return INTEGER; }
(?i:"REDIR_USER") { yylval->integer = FD_SCORE_REDIR_USER; return INTEGER; }
(?i:"REDIR_SESSION") { yylval->integer = FD_SCORE_REDIR_SESSION; return INTEGER; }
(?i:"FINALDEST") { yylval->integer = FD_SCORE_FINALDEST; return INTEGER; }
/* Recognize bracketed quoted strings */
[[]{qstring}[]] {
/* Match a quoted string containing a regex */
CHECK_MALLOC_DO( yylval->string = strdup(yytext+2),
{
TRACE_DEBUG(INFO, "Unable to copy the string '%s': %s", yytext, strerror(errno));
return LEX_ERROR; /* trig an error in yacc parser */
} );
yylval->string[strlen(yytext) - 4] = '\0';
return BQSTRING;
}
/* Recognize quoted strings */
{qstring} {
/* Match a quoted string. */
CHECK_MALLOC_DO( yylval->string = strdup(yytext+1),
{
TRACE_DEBUG(INFO, "Unable to copy the string '%s': %s", yytext, strerror(errno));
return LEX_ERROR; /* trig an error in yacc parser */
} );
yylval->string[strlen(yytext) - 2] = '\0';
return QSTRING;
}
/* The key words */
(?i:"oh") { return OH; }
(?i:"or") { return OR; }
(?i:"dh") { return DH; }
(?i:"dr") { return DR; }
(?i:"un") { return UN; }
(?i:"si") { return SI; }
(?i:"rlm") { return REALM; }
/* Valid single characters for yyparse */
[*:=+-;] { return yytext[0]; }
/* Unrecognized sequence, if it did not match any previous pattern */
[^[:space:]\"*:=+;\n]+ {
fd_log_debug("Unrecognized text on line %d col %d: '%s'.", yylloc->first_line, yylloc->first_column, yytext);
return LEX_ERROR;
}
%%