| /***************************************************************************************************** |
| * Software License Agreement (BSD License) |
| * Author : Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp> |
| * |
| * Copyright (c) 2009-2010, Souheil Ben Ayed, Teraoka Laboratory of Keio University and the WIDE Project |
| * 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: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. 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. |
| * |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by Souheil Ben Ayed <souheil@tera.ics.keio.ac.jp>. |
| * |
| * 4. Neither the name of Souheil Ben Ayed, Teraoka Laboratory of Keio University or the WIDE Project nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * 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. |
| *****************************************************************************************************/ |
| |
| %{ |
| #include <stdio.h> |
| #include "eap_tls.h" |
| #include "eaptls.tab.h" |
| |
| void yyerror (YYLTYPE *llocp, struct tls_config * config, const char *s); |
| |
| extern int yywrap(); |
| extern int yylex(); |
| |
| |
| /* The Lex parser prototype */ |
| int eaptlslex(YYSTYPE *lvalp, YYLTYPE *llocp); |
| |
| |
| %} |
| |
| %locations |
| %parse-param {struct tls_config * config} |
| %pure_parser |
| /*%defines */ |
| %error-verbose |
| %debug |
| |
| %union { |
| char *str; |
| int val; |
| char byte; |
| } |
| |
| |
| |
| /* In case of error in the lexical analysis */ |
| %token LEX_ERROR |
| |
| %token <val> NUM |
| |
| %token <str> iSTRING |
| |
| %token <byte> iBYTE |
| |
| %token CERTS |
| %token CAPATH |
| %token CRLPATH |
| %token CHECK_CN_USERNAME |
| |
| %% |
| |
| confparams : /* empty */ |
| | confparams CERTS_files |
| | confparams CA_file |
| | confparams CRL_file |
| | confparams CHECK_CN_USERNAME_param |
| | confparams errors |
| { |
| return EINVAL; |
| } |
| ; |
| |
| errors : LEX_ERROR |
| | error |
| ; |
| |
| |
| CERTS_files : CERTS '=' iSTRING ':' iSTRING ';' |
| { |
| char * certfile, *keyfile; |
| FILE * fl; |
| |
| certfile = $3; |
| keyfile = $5; |
| if(certfile == NULL){ |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] certificate file missing in configuration file",DIAMEAP_EXTENSION); |
| yyerror (&yylloc, config, "cert file missing"); |
| YYERROR; |
| } |
| if(keyfile == NULL){ |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] privateKey file missing in configuration file",DIAMEAP_EXTENSION); |
| yyerror (&yylloc, config, "privateKey file missing"); |
| YYERROR; |
| } |
| |
| fl = fopen(certfile, "r"); |
| if ((fl == NULL) && (*certfile != '/')) { |
| char * tmpfile=certfile; |
| CHECK_MALLOC_DO( certfile = malloc( strlen(tmpfile) + strlen(DEFAULT_EXTENSIONS_PATH) + 2 ), |
| { yyerror (&yylloc, config, "Not enough memory"); YYERROR; } ); |
| sprintf(certfile, DEFAULT_EXTENSIONS_PATH "/%s", tmpfile); |
| free(tmpfile); |
| fl = fopen(certfile, "r"); |
| } |
| if (fl == NULL) { |
| int ret = errno; |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] Unable to open certificate file %s for reading: %s",DIAMEAP_EXTENSION,certfile,strerror(ret)); |
| yyerror (&yylloc, config, "Error configuring certificate for EAP-TLS"); |
| YYERROR; |
| } |
| fclose(fl); |
| |
| fl = fopen(keyfile, "r"); |
| if ((fl == NULL) && (*keyfile != '/')) { |
| char * tmpfile=keyfile; |
| CHECK_MALLOC_DO( keyfile = malloc( strlen(tmpfile) + strlen(DEFAULT_EXTENSIONS_PATH) + 2 ), |
| { yyerror (&yylloc, config, "Not enough memory"); YYERROR; } ); |
| sprintf(keyfile, DEFAULT_EXTENSIONS_PATH "/%s", tmpfile); |
| free(tmpfile); |
| fl = fopen(keyfile, "r"); |
| } |
| if (fl == NULL) { |
| int ret = errno; |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] Unable to open privateKey file %s for reading: %s",DIAMEAP_EXTENSION,keyfile,strerror(ret)); |
| yyerror (&yylloc, config, "Error configuring privateKey for EAP-TLS"); |
| YYERROR; |
| } |
| fclose(fl); |
| |
| config->certfile = certfile; |
| config->keyfile = keyfile; |
| } |
| ; |
| |
| CA_file : CAPATH '=' iSTRING ';' |
| { |
| char * cafile; |
| FILE * fl; |
| |
| cafile = $3; |
| |
| if(cafile == NULL){ |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] CA file missing in configuration file",DIAMEAP_EXTENSION); |
| yyerror (&yylloc, config, "cert file missing"); |
| YYERROR; |
| } |
| |
| fl = fopen(cafile, "r"); |
| if ((fl == NULL) && (*cafile != '/')) { |
| char * tmpfile=cafile; |
| CHECK_MALLOC_DO( cafile = malloc( strlen(tmpfile) + strlen(DEFAULT_EXTENSIONS_PATH) + 2 ), |
| { yyerror (&yylloc, config, "Not enough memory"); YYERROR; } ); |
| sprintf(cafile, DEFAULT_EXTENSIONS_PATH "/%s", tmpfile); |
| free(tmpfile); |
| fl = fopen(cafile, "r"); |
| } |
| if (fl == NULL) { |
| int ret = errno; |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] Unable to open CA file %s for reading: %s",DIAMEAP_EXTENSION,cafile,strerror(ret)); |
| yyerror (&yylloc, config, "Error configuring CA file for EAP-TLS"); |
| YYERROR; |
| } |
| fclose(fl); |
| config->cafile=$3; |
| } |
| ; |
| |
| CRL_file : CRLPATH '=' iSTRING ';' |
| { |
| char * crlfile; |
| FILE * fl; |
| |
| crlfile = $3; |
| |
| if(crlfile == NULL){ |
| TRACE_DEBUG(FULL+1,"%s[EAP TLS plugin] CRL file missing in configuration file",DIAMEAP_EXTENSION); |
| |
| }else{ |
| |
| fl = fopen(crlfile, "r"); |
| if ((fl == NULL) && (*crlfile != '/')) { |
| char * tmpfile=crlfile; |
| CHECK_MALLOC_DO( crlfile = malloc( strlen(tmpfile) + strlen(DEFAULT_EXTENSIONS_PATH) + 2 ), |
| { yyerror (&yylloc, config, "Not enough memory"); YYERROR; } ); |
| sprintf(crlfile, DEFAULT_EXTENSIONS_PATH "/%s", tmpfile); |
| free(tmpfile); |
| fl = fopen(crlfile, "r"); |
| } |
| if (fl == NULL) { |
| int ret = errno; |
| TRACE_DEBUG(INFO,"%s[EAP TLS plugin] Unable to open CRL file %s for reading: %s",DIAMEAP_EXTENSION,crlfile,strerror(ret)); |
| yyerror (&yylloc, config, "Error configuring CRL file for EAP-TLS"); |
| YYERROR; |
| } |
| fclose(fl); |
| } |
| config->crlfile=$3; |
| } |
| ; |
| |
| CHECK_CN_USERNAME_param : |
| CHECK_CN_USERNAME '=' NUM ';' |
| { |
| if((int)$3 == 0){ |
| config->check_cert_cn_username = FALSE; |
| } |
| else |
| { |
| config->check_cert_cn_username = TRUE; |
| } |
| } |
| ; |
| |
| %% |
| |
| void yyerror(YYLTYPE *llocp, struct tls_config * config,const char *str) |
| { |
| fprintf(stderr,"Error in %s ( on line %i column %i -> line %i column %i) : %s\n",config->conffile, llocp->first_line, llocp->first_column, llocp->last_line, llocp->last_column, str); |
| } |