79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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/*
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* Author: Karl MacMillan <kmacmillan@tresys.com>
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*
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* Copyright (C) 2006 Tresys Technology, LLC
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "parse_util.h"
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#include "queue.h"
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/* these are defined in policy_parse.y and are needed for read_source_policy */
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extern FILE *yyin;
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extern void init_parser(int);
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extern int yyparse(void);
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extern void yyrestart(FILE *);
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extern queue_t id_queue;
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extern unsigned int policydb_errors;
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extern unsigned long policydb_lineno;
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extern policydb_t *policydbp;
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extern int mlspol;
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extern void set_source_file(const char *name);
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int read_source_policy(policydb_t * p, const char *file, const char *progname)
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{
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yyin = fopen(file, "r");
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if (!yyin) {
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fprintf(stderr, "%s: unable to open %s\n", progname, file);
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return -1;
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}
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set_source_file(file);
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if ((id_queue = queue_create()) == NULL) {
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fprintf(stderr, "%s: out of memory!\n", progname);
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return -1;
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}
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policydbp = p;
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mlspol = p->mls;
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init_parser(1);
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if (yyparse() || policydb_errors) {
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fprintf(stderr,
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"%s: error(s) encountered while parsing configuration\n",
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progname);
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return -1;
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}
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rewind(yyin);
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init_parser(2);
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set_source_file(file);
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yyrestart(yyin);
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if (yyparse() || policydb_errors) {
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fprintf(stderr,
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"%s: error(s) encountered while parsing configuration\n",
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progname);
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return -1;
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}
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queue_destroy(id_queue);
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if (policydb_errors)
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return -1;
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fclose(yyin);
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return 0;
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}
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