Mercurial > hg > freeDiameter-proposed
view extensions/acl_wl/aw_conf.y @ 1554:566bb46cc73f
Updated copyright information
author | Sebastien Decugis <sdecugis@freediameter.net> |
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date | Tue, 06 Oct 2020 21:34:53 +0800 |
parents | 0dff6a604b0a |
children |
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/********************************************************************************************************* * Software License Agreement (BSD License) * * Author: Sebastien Decugis <sdecugis@freediameter.net> * * * * Copyright (c) 2019, 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. * *********************************************************************************************************/ /* Yacc extension's configuration parser. * See doc/acl_wl.conf.sample for configuration file format */ /* For development only : */ %debug %error-verbose /* The parser receives the configuration file filename as parameter */ %parse-param {char * conffile} /* Keep track of location */ %locations %pure-parser %{ #include "acl_wl.h" #include "aw_conf.tab.h" /* bison is not smart enough to define the YYLTYPE before including this code, so... */ #include <string.h> #include <errno.h> /* Forward declaration */ int yyparse(char * conffile); void aw_confrestart(FILE *input_file); static int fqdn_added = 0; /* Parse the configuration file */ int aw_conf_handle(char * conffile) { extern FILE * aw_confin; int ret; TRACE_ENTRY("%p", conffile); TRACE_DEBUG (FULL, "Parsing configuration file: %s...", conffile); aw_confin = fopen(conffile, "r"); if (aw_confin == NULL) { ret = errno; fd_log_debug("Unable to open extension configuration file %s for reading: %s", conffile, strerror(ret)); TRACE_DEBUG (INFO, "acl_wl: Error occurred, message logged -- configuration file."); return ret; } aw_confrestart(aw_confin); ret = yyparse(conffile); fclose(aw_confin); if (ret != 0) { TRACE_DEBUG (INFO, "acl_wl: Unable to parse the configuration file."); return EINVAL; } else { TRACE_DEBUG(FULL, "acl_wl: Read %d FQDN entries successfully.", fqdn_added); } return 0; } /* The Lex parser prototype */ int aw_conflex(YYSTYPE *lvalp, YYLTYPE *llocp); /* Function to report the errors */ void yyerror (YYLTYPE *ploc, char * conffile, char const *s) { TRACE_DEBUG(INFO, "acl_wl: Error in configuration parsing"); if (ploc->first_line != ploc->last_line) fd_log_debug("%s:%d.%d-%d.%d : %s", conffile, ploc->first_line, ploc->first_column, ploc->last_line, ploc->last_column, s); else if (ploc->first_column != ploc->last_column) fd_log_debug("%s:%d.%d-%d : %s", conffile, ploc->first_line, ploc->first_column, ploc->last_column, s); else fd_log_debug("%s:%d.%d : %s", conffile, ploc->first_line, ploc->first_column, s); } %} /* Values returned by lex for token */ %union { char *string; } /* In case of error in the lexical analysis */ %token LEX_ERROR /* Key words */ %token <string> FQDN /* -------------------------------------- */ %% /* The grammar definition */ conffile: /* empty grammar is OK */ | conffile FQDN { fqdn_added++; TRACE_DEBUG(FULL, "acl_wl: Added FQDN: %s", $2); } | conffile LEX_ERROR { yyerror(&yylloc, conffile, "acl_wl: An error occurred while parsing the configuration file"); return EINVAL; } ;