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Diffstat (limited to 'libqpol/src/qpol_internal.h')
| -rw-r--r-- | libqpol/src/qpol_internal.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libqpol/src/qpol_internal.h b/libqpol/src/qpol_internal.h new file mode 100644 index 0000000..9b51e18 --- /dev/null +++ b/libqpol/src/qpol_internal.h @@ -0,0 +1,122 @@ +/** + * @file + * Defines common debug symbols and the internal policy structure. + * + * @author Jeremy A. Mowery jmowery@tresys.com + * @author Jason Tang jtang@tresys.com + * + * Copyright (C) 2006-2007 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 + */ + +#ifndef QPOL_INTERNAL_H +#define QPOL_INTERNAL_H + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <sepol/handle.h> +#include <qpol/policy.h> +#include <stdio.h> + +#define STATUS_SUCCESS 0 +#define STATUS_ERR -1 +#define STATUS_NODATA 1 + +#define QPOL_MSG_ERR 1 +#define QPOL_MSG_WARN 2 +#define QPOL_MSG_INFO 3 + + struct qpol_extended_image; + struct qpol_policy; + + struct qpol_module + { + char *name; + char *path; + char *version; + int type; + struct sepol_policydb *p; + int enabled; + struct qpol_policy *parent; + }; + + struct qpol_policy + { + struct sepol_policydb *p; + struct sepol_handle *sh; + qpol_callback_fn_t fn; + void *varg; + int options; + int type; + int modified; + struct qpol_extended_image *ext; + struct qpol_module **modules; + size_t num_modules; + char *file_data; + size_t file_data_sz; + int file_data_type; + }; +/* qpol_policy_t.file_data_type will be one of the following to denote + * the proper method of destroying the data: + * _BIN if policy is from a binary source (modular or kernel) destroy is a no-op + * _MMAP if policy is from a file and destroy should call munmap + * _MEM if policy is from open_from_memory and destroy should call free */ +#define QPOL_POLICY_FILE_DATA_TYPE_BIN 0 +#define QPOL_POLICY_FILE_DATA_TYPE_MMAP 1 +#define QPOL_POLICY_FILE_DATA_TYPE_MEM 2 + +/** + * Create an extended image for a policy. This function modifies the policydb + * by adding additional records and information about attributes, initial sids + * and other components not normally written to a binary policy file. Subsequent + * calls to this function have no effect. + * @param policy The policy for which the extended image should be created. + * @return Returns 0 on success and < 0 on failure. If the call fails, + * errno will be set; the state of the policy is not guaranteed to be stable + * if this call fails. + */ + int policy_extend(qpol_policy_t * policy); + + extern void qpol_handle_msg(const qpol_policy_t * policy, int level, const char *fmt, ...); + int qpol_is_file_binpol(FILE * fp); + int qpol_is_file_mod_pkg(FILE * fp); +/** + * Returns the version number of the binary policy. Note that this + * will rewind the file pointer. + * + * @return Non-negative policy version, or -1 general error for, -2 + * wrong magic number for file, or -3 problem reading file. + */ + int qpol_binpol_version(FILE * fp); + +/** + * Returns true if the file is a module package. + * @return Returns 1 for module packages, 0 otherwise. + */ + int qpol_is_data_mod_pkg(char * data); + +#define ERR(policy, format, ...) qpol_handle_msg(policy, QPOL_MSG_ERR, format, __VA_ARGS__) +#define WARN(policy, format, ...) qpol_handle_msg(policy, QPOL_MSG_WARN, format, __VA_ARGS__) +#define INFO(policy, format, ...) qpol_handle_msg(policy, QPOL_MSG_INFO, format, __VA_ARGS__) + +#ifdef __cplusplus +} +#endif + +#endif /* QPOL_INTERNAL_H */ |