| SE Android | 8c48de1 | 2012-01-24 05:27:18 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Author: Karl MacMillan <kmacmillan@tresys.com> |
| 3 | * |
| 4 | * Copyright (C) 2006 Tresys Technology, LLC |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "parse_util.h" |
| 22 | #include "queue.h" |
| 23 | |
| 24 | /* these are defined in policy_parse.y and are needed for read_source_policy */ |
| 25 | extern FILE *yyin; |
| 26 | extern void init_parser(int); |
| 27 | extern int yyparse(void); |
| 28 | extern void yyrestart(FILE *); |
| 29 | extern queue_t id_queue; |
| 30 | extern unsigned int policydb_errors; |
| 31 | extern unsigned long policydb_lineno; |
| 32 | extern policydb_t *policydbp; |
| 33 | extern int mlspol; |
| 34 | extern void set_source_file(const char *name); |
| 35 | |
| 36 | int read_source_policy(policydb_t * p, const char *file, const char *progname) |
| 37 | { |
| 38 | yyin = fopen(file, "r"); |
| 39 | if (!yyin) { |
| 40 | fprintf(stderr, "%s: unable to open %s\n", progname, file); |
| 41 | return -1; |
| 42 | } |
| 43 | set_source_file(file); |
| 44 | |
| 45 | if ((id_queue = queue_create()) == NULL) { |
| 46 | fprintf(stderr, "%s: out of memory!\n", progname); |
| 47 | return -1; |
| 48 | } |
| 49 | |
| 50 | policydbp = p; |
| 51 | mlspol = p->mls; |
| 52 | |
| 53 | init_parser(1); |
| 54 | if (yyparse() || policydb_errors) { |
| 55 | fprintf(stderr, |
| 56 | "%s: error(s) encountered while parsing configuration\n", |
| 57 | progname); |
| 58 | return -1; |
| 59 | } |
| 60 | rewind(yyin); |
| 61 | init_parser(2); |
| 62 | set_source_file(file); |
| 63 | yyrestart(yyin); |
| 64 | if (yyparse() || policydb_errors) { |
| 65 | fprintf(stderr, |
| 66 | "%s: error(s) encountered while parsing configuration\n", |
| 67 | progname); |
| 68 | return -1; |
| 69 | } |
| 70 | queue_destroy(id_queue); |
| 71 | |
| 72 | if (policydb_errors) |
| 73 | return -1; |
| 74 | |
| 75 | fclose(yyin); |
| 76 | |
| 77 | return 0; |
| 78 | } |