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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 pass, const char *input_name);
extern int yyparse(void);
extern void yyrestart(FILE *);
extern int yylex_destroy(void);
extern queue_t id_queue;
extern unsigned int policydb_errors;
extern policydb_t *policydbp;
extern int mlspol;
int read_source_policy(policydb_t * p, const char *file, const char *progname)
{
int rc = -1;
yyin = fopen(file, "r");
if (!yyin) {
fprintf(stderr, "%s: unable to open %s: %s\n", progname, file, strerror(errno));
return -1;
}
id_queue = queue_create();
if (id_queue == NULL) {
fprintf(stderr, "%s: out of memory!\n", progname);
goto cleanup;
}
mlspol = p->mls;
policydbp = p;
policydbp->name = strdup(file);
if (!policydbp->name) {
fprintf(stderr, "%s: out of memory!\n", progname);
goto cleanup;
}
init_parser(1, file);
if (yyparse() || policydb_errors) {
fprintf(stderr,
"%s: error(s) encountered while parsing configuration\n",
progname);
goto cleanup;
}
rewind(yyin);
init_parser(2, file);
yyrestart(yyin);
if (yyparse() || policydb_errors) {
fprintf(stderr,
"%s: error(s) encountered while parsing configuration\n",
progname);
goto cleanup;
}
rc = 0;
cleanup:
queue_destroy(id_queue);
fclose(yyin);
yylex_destroy();
return rc;
}
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