/usr/include/poldiff/user_diff.h is in libpoldiff-dev 3.3.8+20151215-2.
This file is owned by root:root, with mode 0o644.
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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 | /**
* @file
* Public interface for computing semantic differences in users.
*
* @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 POLDIFF_USER_DIFF_H
#define POLDIFF_USER_DIFF_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <apol/vector.h>
#include <poldiff/poldiff.h>
typedef struct poldiff_user poldiff_user_t;
/**
* Get an array of statistics for the number of differences of each
* form for users.
*
* @param diff The policy difference structure from which to get the
* stats.
* @param stats Array into which to write the numbers (array must be
* pre-allocated). The order of the values written to the array is
* as follows: number of items of form POLDIFF_FORM_ADDED, number of
* POLDIFF_FORM_REMOVED, number of POLDIFF_FORM_MODIFIED, number of
* POLDIFF_FORM_ADD_TYPE, and number of POLDIFF_FORM_REMOVE_TYPE.
*/
extern void poldiff_user_get_stats(const poldiff_t * diff, size_t stats[5]);
/**
* Get the vector of user differences from the user difference
* summary.
*
* @param diff The policy difference structure associated with the
* user difference summary.
*
* @return A vector of elements of type poldiff_user_t, or NULL on
* error. The caller should <b>not</b> destroy the vector
* returned. If the call fails, errno will be set.
*/
extern const apol_vector_t *poldiff_get_user_vector(const poldiff_t * diff);
/**
* Obtain a newly allocated string representation of a difference in
* a user.
*
* @param diff The policy difference structure associated with the user.
* @param user The user from which to generate the string.
*
* @return A string representation of user difference; the caller is
* responsible for free()ing this string. On error, return NULL and
* set errno.
*/
extern char *poldiff_user_to_string(const poldiff_t * diff, const void *user);
/**
* Get the name of the user from a user diff.
*
* @param user The user from which to get the name.
*
* @return Name of the user on success and NULL on failure; if the
* call fails, errno will be set. The caller should not free the
* returned string.
*/
extern const char *poldiff_user_get_name(const poldiff_user_t * user);
/**
* Get the form of difference from a user diff.
*
* @param user The user from which to get the difference form.
*
* @return The form of difference (one of POLDIFF_FORM_*) or
* POLDIFF_FORM_NONE on error. If the call fails, errno will be set.
*/
extern poldiff_form_e poldiff_user_get_form(const void *user);
/**
* Get a vector of unmodified roles for the user.
*
* @param user The user diff from which to get the roles vector.
*
* @return A vector of role names (type char *) that are assigned to
* the user in the modified policy. If no roles were added the size
* of the returned vector will be 0. The caller must not destroy
* this vector. On error, errno will be set.
*/
extern const apol_vector_t *poldiff_user_get_unmodified_roles(const poldiff_user_t * user);
/**
* Get a vector of roles added to the user. If a user was added by
* the modified policy then this vector will hold all of the roles.
*
* @param user The user diff from which to get the roles vector.
*
* @return A vector of role names (type char *) that are assigned to
* the user in the modified policy. If no roles were added the size
* of the returned vector will be 0. The caller must not destroy
* this vector. On error, errno will be set.
*/
extern const apol_vector_t *poldiff_user_get_added_roles(const poldiff_user_t * user);
/**
* Get a vector of roles removed from the user. If a user was
* removed by the modified policy then this vector will hold all of
* the roles.
*
* @param user The user diff from which to get the roles vector.
*
* @return A vector of role names (type char *) that are assigned to
* the user in the original policy. If no roles were removed the
* size of the returned vector will be 0. The caller must not
* destroy this vector. On error, errno will be set.
*/
extern const apol_vector_t *poldiff_user_get_removed_roles(const poldiff_user_t * user);
/**
* Get the original user's default MLS level. That is, this is the
* level assigned to the user in the original policy. If the level
* has the form POLDIFF_FORM_MODIFIED, then this indiciates that the
* user had the same sensitivity between the two policies but
* different categories.
*
* If neither policy is MLS or there are no differences in default
* level, then the return value is NULL.
*
* @param user The user diff from which to get default level.
*
* @return User's original default MLS level. Returns NULL upon
* error or if there is no difference in level.
*/
extern const poldiff_level_t *poldiff_user_get_original_dfltlevel(const poldiff_user_t * user);
/**
* Get the modified user's MLS level. That is, this is the level
* assigned to the user in the modified policy. If the level had the
* same sensitivity but different categories call
* poldiff_user_get_original_dfltlevel() to get the difference; this
* function will return NULL.
*
* If neither policy is MLS or there are no differences in
* default level, then the return value is NULL.
*
* @param user The user diff from which to get default level.
*
* @return User's modified default MLS level. Returns NULL upon
* error, if there is no difference in level, or if the sensitivity
* was unchanged.
*/
extern const poldiff_level_t *poldiff_user_get_modified_dfltlevel(const poldiff_user_t * user);
/**
* Get the change in user's assigned MLS range.
*
* If neither policy is MLS or there are no differences in range,
* then the return value is NULL.
*
* @param user The user diff from which to get assigned range
* differences.
*
* @return User's MLS range differences. Returns NULL upon error or
* if there is no difference in range.
*/
extern const poldiff_range_t *poldiff_user_get_range(const poldiff_user_t * user);
#ifdef __cplusplus
}
#endif
#endif /* POLDIFF_USER_DIFF_H */
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