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/*
* Author: Karl MacMillan <kmacmillan@tresys.com>
*
* Copyright (C) 2006 Tresys Technology, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "parse_util.h"
#include "queue.h"
/* these are defined in policy_parse.y and are needed for read_source_policy */
extern FILE *yyin;
extern void init_parser(int);
extern int yyparse(void);
extern void yyrestart(FILE *);
extern queue_t id_queue;
extern unsigned int policydb_errors;
extern unsigned long policydb_lineno;
extern policydb_t *policydbp;
extern int mlspol;
extern void set_source_file(const char *name);
int read_source_policy(policydb_t * p, const char *file, const char *progname)
{
yyin = fopen(file, "r");
if (!yyin) {
fprintf(stderr, "%s: unable to open %s\n", progname, file);
return -1;
}
set_source_file(file);
if ((id_queue = queue_create()) == NULL) {
fprintf(stderr, "%s: out of memory!\n", progname);
return -1;
}
policydbp = p;
mlspol = p->mls;
init_parser(1);
if (yyparse() || policydb_errors) {
fprintf(stderr,
"%s: error(s) encountered while parsing configuration\n",
progname);
return -1;
}
rewind(yyin);
init_parser(2);
set_source_file(file);
yyrestart(yyin);
if (yyparse() || policydb_errors) {
fprintf(stderr,
"%s: error(s) encountered while parsing configuration\n",
progname);
return -1;
}
queue_destroy(id_queue);
if (policydb_errors)
return -1;
fclose(yyin);
return 0;
}
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