This file is indexed.

/usr/include/apol/policy-path.h is in libapol-dev 3.3.8+20151215-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/**
 * @file
 *
 * An opaque structure that represents a policy "path".  A policy path
 * may really be a base policy and a number of modules, thus a single
 * string is not sufficient.
 *
 * @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 APOL_POLICY_PATH_H
#define APOL_POLICY_PATH_H

#ifdef	__cplusplus
extern "C"
{
#endif

#include "vector.h"

	typedef struct apol_policy_path apol_policy_path_t;

/**
 * Type of policy this path represents - either a single path, for a
 * monolithic policy, or a path + multiple modules for modular policy.
 */
	typedef enum apol_policy_path_type
	{
		APOL_POLICY_PATH_TYPE_MONOLITHIC = 0,
		APOL_POLICY_PATH_TYPE_MODULAR
	} apol_policy_path_type_e;

/**
 * Create a policy path from scratch.  The resulting object represents
 * the file or files needed to load a policy.
 *
 * @param path_type Type of policy to represent.
 * @param path Primary path name.  For modular policies this is the
 * base policy's path.
 * @param modules Vector of strings representing modules' paths.  The
 * vector can be NULL to mean no modules.  This parameter is ignored
 * if path_type is not APOL_POLICY_PATH_TYPE_MODULAR.  The function
 * will duplicate the vector and its contents.
 *
 * @return An apol_policy_path object, or NULL upon error.
 */
	extern apol_policy_path_t *apol_policy_path_create(apol_policy_path_type_e path_type, const char *path,
							   const apol_vector_t * modules);

/**
 * Create a policy path, initialized from another policy path.  This
 * function recursively duplicates all data within the original path.
 *
 * @param path Policy path to duplicate.
 *
 * @return An apol_policy_path object, or NULL upon error.
 */
	extern apol_policy_path_t *apol_policy_path_create_from_policy_path(const apol_policy_path_t * path);

/**
 * Create a policy path, initialize by the contents of a <em>policy
 * path list</em> file.  Call apol_policy_path_to_filename() to write
 * a policy path list to disk.
 *
 * @param filename Name of the file containing a policy path list.
 *
 * @return An apol_policy_path object, or NULL upon error.
 */
	extern apol_policy_path_t *apol_policy_path_create_from_file(const char *filename);

/**
 * Create a policy path, initialized by a special path format string.
 * Call apol_policy_path_to_string() to create this string.
 *
 * @param path_string String containing initialization data for the
 * object.
 *
 * @return An apol_policy_path object, or NULL upon error.
 */
	extern apol_policy_path_t *apol_policy_path_create_from_string(const char *path_string);

/**
 * Destroy the referencened policy path object.
 *
 * @param path Policy path to destroy.  The pointer will be set to
 * NULL afterwards.  (If pointer is already NULL then do nothing.)
 */
	extern void apol_policy_path_destroy(apol_policy_path_t ** path);

/**
 * Compare two policy paths, determining if one is different than the
 * other.  The returned value is stable, in that it may be used as the
 * basis for sorting a list of policy paths.  Monolithic policies are
 * considered "less than" modular policies.
 *
 * @param a First policy path to compare.
 * @param b Second policy path to compare.
 *
 * @return < 0 if path A is "less than" B, > 0 if A is "greater than"
 * B, or 0 if equivalent or undeterminable.
 */
	extern int apol_policy_path_compare(const apol_policy_path_t * a, const apol_policy_path_t * b);

/**
 * Get the type of policy this path object represents.
 *
 * @param path Policy path object to query.
 *
 * @return Type of policy the object represents.
 */
	extern apol_policy_path_type_e apol_policy_path_get_type(const apol_policy_path_t * path);

/**
 * Get the primary path name from a path object.  For monolithic
 * policies this is the path to the policy.  For modular policies this
 * is the base policy path.
 *
 * @param path Policy path object to query.
 *
 * @return Primary path, or NULL upon error.  Do not modify
 * this string.
 */
	extern const char *apol_policy_path_get_primary(const apol_policy_path_t * path);

/**
 * Get the list of modules from a path object.  This will be a vector
 * of strings.  It is an error to call this function for non-modular
 * policies.
 *
 * @param path Policy path object to query.
 *
 * @return Vector of module paths, or NULL upon error.  Do not modify
 * this vector or its contents.  Note that the vector could be empty.
 */
	extern const apol_vector_t *apol_policy_path_get_modules(const apol_policy_path_t * path);

/**
 * Write a human-readable <em>policy path list</em> to disk.  This
 * file describes a policy path and is suitable as input to
 * apol_policy_path_create_from_file().
 *
 * @param path Policy path to write to disk.
 * @param filename Name of the file to write policy path list.  If the
 * file already exists it will be overwritten.
 *
 * @return 0 on successful write, < 0 on error.
 */
	extern int apol_policy_path_to_file(const apol_policy_path_t * path, const char *filename);

/**
 * Encode a path object into a specially formatted string.  The
 * resulting string is suitable as input to
 * apol_policy_path_create_from_string().
 *
 * @param path Policy path object to encode.
 *
 * @return Formatted string for the path object, or NULL upon error.
 * The caller is responsible for calling free() upon the returned
 * value.
 */
	extern char *apol_policy_path_to_string(const apol_policy_path_t * path);

/**
 * Determine if a file is a policy path list.
 *
 * @param filename Name of the file to test.
 *
 * @return > 0 if the file is a policy path list, 0 if it is not,
 * and < 0 on error.
 */
	extern int apol_file_is_policy_path_list(const char *filename);

#ifdef	__cplusplus
}
#endif

#endif