1 /* Copyright (C) 2005 Red Hat, Inc. */ 2 3 /* Object: semanage_seuser_t (Unix User) 4 * Object: semanage_seuser_key_t (Unix User Key) 5 * Implements: record_t (Database Record) 6 * Implements: record_key_t (Database Record Key) 7 */ 8 9 struct semanage_seuser; 10 struct semanage_seuser_key; 11 typedef struct semanage_seuser record_t; 12 typedef struct semanage_seuser_key record_key_t; 13 #define DBASE_RECORD_DEFINED 14 15 #include <stdlib.h> 16 #include <string.h> 17 #include "seuser_internal.h" 18 #include "debug.h" 19 #include <semanage/handle.h> 20 #include "database.h" 21 22 struct semanage_seuser { 23 /* This user's name */ 24 char *name; 25 26 /* This user's corresponding 27 * seuser ("role set") */ 28 char *sename; 29 30 /* This user's mls range (only required for mls) */ 31 char *mls_range; 32 }; 33 34 struct semanage_seuser_key { 35 /* This user's name */ 36 const char *name; 37 }; 38 39 int semanage_seuser_key_create(semanage_handle_t * handle, 40 const char *name, 41 semanage_seuser_key_t ** key_ptr) 42 { 43 44 semanage_seuser_key_t *tmp_key = (semanage_seuser_key_t *) 45 malloc(sizeof(semanage_seuser_key_t)); 46 47 if (!tmp_key) { 48 ERR(handle, "out of memory, could not create seuser key"); 49 return STATUS_ERR; 50 } 51 tmp_key->name = name; 52 53 *key_ptr = tmp_key; 54 return STATUS_SUCCESS; 55 } 56 57 hidden_def(semanage_seuser_key_create) 58 59 int semanage_seuser_key_extract(semanage_handle_t * handle, 60 const semanage_seuser_t * seuser, 61 semanage_seuser_key_t ** key_ptr) 62 { 63 64 if (semanage_seuser_key_create(handle, seuser->name, key_ptr) < 0) 65 goto err; 66 67 return STATUS_SUCCESS; 68 69 err: 70 ERR(handle, "could not extract seuser key from record"); 71 return STATUS_ERR; 72 } 73 74 hidden_def(semanage_seuser_key_extract) 75 76 void semanage_seuser_key_free(semanage_seuser_key_t * key) 77 { 78 79 free(key); 80 } 81 82 hidden_def(semanage_seuser_key_free) 83 84 int semanage_seuser_compare(const semanage_seuser_t * seuser, 85 const semanage_seuser_key_t * key) 86 { 87 88 return strcmp(seuser->name, key->name); 89 } 90 91 hidden_def(semanage_seuser_compare) 92 93 int semanage_seuser_compare2(const semanage_seuser_t * seuser, 94 const semanage_seuser_t * seuser2) 95 { 96 97 return strcmp(seuser->name, seuser2->name); 98 } 99 100 hidden_def(semanage_seuser_compare2) 101 102 static int semanage_seuser_compare2_qsort(const semanage_seuser_t ** seuser, 103 const semanage_seuser_t ** seuser2) 104 { 105 106 return strcmp((*seuser)->name, (*seuser2)->name); 107 } 108 109 /* Name */ 110 const char *semanage_seuser_get_name(const semanage_seuser_t * seuser) 111 { 112 113 return seuser->name; 114 } 115 116 hidden_def(semanage_seuser_get_name) 117 118 int semanage_seuser_set_name(semanage_handle_t * handle, 119 semanage_seuser_t * seuser, const char *name) 120 { 121 122 char *tmp_name = strdup(name); 123 if (!tmp_name) { 124 ERR(handle, "out of memory, could not set seuser (Unix) name"); 125 return STATUS_ERR; 126 } 127 free(seuser->name); 128 seuser->name = tmp_name; 129 return STATUS_SUCCESS; 130 } 131 132 hidden_def(semanage_seuser_set_name) 133 134 /* Selinux Name */ 135 const char *semanage_seuser_get_sename(const semanage_seuser_t * seuser) 136 { 137 138 return seuser->sename; 139 } 140 141 hidden_def(semanage_seuser_get_sename) 142 143 int semanage_seuser_set_sename(semanage_handle_t * handle, 144 semanage_seuser_t * seuser, const char *sename) 145 { 146 147 char *tmp_sename = strdup(sename); 148 if (!tmp_sename) { 149 ERR(handle, 150 "out of memory, could not set seuser (SELinux) name"); 151 return STATUS_ERR; 152 } 153 free(seuser->sename); 154 seuser->sename = tmp_sename; 155 return STATUS_SUCCESS; 156 } 157 158 hidden_def(semanage_seuser_set_sename) 159 160 /* MLS Range */ 161 const char *semanage_seuser_get_mlsrange(const semanage_seuser_t * seuser) 162 { 163 164 return seuser->mls_range; 165 } 166 167 hidden_def(semanage_seuser_get_mlsrange) 168 169 int semanage_seuser_set_mlsrange(semanage_handle_t * handle, 170 semanage_seuser_t * seuser, 171 const char *mls_range) 172 { 173 174 char *tmp_mls_range = strdup(mls_range); 175 if (!tmp_mls_range) { 176 ERR(handle, "out of memory, could not set seuser MLS range"); 177 return STATUS_ERR; 178 } 179 free(seuser->mls_range); 180 seuser->mls_range = tmp_mls_range; 181 return STATUS_SUCCESS; 182 } 183 184 hidden_def(semanage_seuser_set_mlsrange) 185 186 /* Create */ 187 int semanage_seuser_create(semanage_handle_t * handle, 188 semanage_seuser_t ** seuser_ptr) 189 { 190 191 semanage_seuser_t *seuser = 192 (semanage_seuser_t *) malloc(sizeof(semanage_seuser_t)); 193 194 if (!seuser) { 195 ERR(handle, "out of memory, could not create seuser"); 196 return STATUS_ERR; 197 } 198 199 seuser->name = NULL; 200 seuser->sename = NULL; 201 seuser->mls_range = NULL; 202 203 *seuser_ptr = seuser; 204 return STATUS_SUCCESS; 205 } 206 207 hidden_def(semanage_seuser_create) 208 209 /* Deep copy clone */ 210 int semanage_seuser_clone(semanage_handle_t * handle, 211 const semanage_seuser_t * seuser, 212 semanage_seuser_t ** seuser_ptr) 213 { 214 215 semanage_seuser_t *new_seuser = NULL; 216 217 if (semanage_seuser_create(handle, &new_seuser) < 0) 218 goto err; 219 220 if (semanage_seuser_set_name(handle, new_seuser, seuser->name) < 0) 221 goto err; 222 223 if (semanage_seuser_set_sename(handle, new_seuser, seuser->sename) < 0) 224 goto err; 225 226 if (seuser->mls_range && 227 (semanage_seuser_set_mlsrange(handle, new_seuser, seuser->mls_range) 228 < 0)) 229 goto err; 230 231 *seuser_ptr = new_seuser; 232 return STATUS_SUCCESS; 233 234 err: 235 ERR(handle, "could not clone seuser"); 236 semanage_seuser_free(new_seuser); 237 return STATUS_ERR; 238 } 239 240 hidden_def(semanage_seuser_clone) 241 242 /* Destroy */ 243 void semanage_seuser_free(semanage_seuser_t * seuser) 244 { 245 246 if (!seuser) 247 return; 248 249 free(seuser->name); 250 free(seuser->sename); 251 free(seuser->mls_range); 252 free(seuser); 253 } 254 255 hidden_def(semanage_seuser_free) 256 257 /* Record base functions */ 258 record_table_t SEMANAGE_SEUSER_RTABLE = { 259 .create = semanage_seuser_create, 260 .key_extract = semanage_seuser_key_extract, 261 .key_free = semanage_seuser_key_free, 262 .clone = semanage_seuser_clone, 263 .compare = semanage_seuser_compare, 264 .compare2 = semanage_seuser_compare2, 265 .compare2_qsort = semanage_seuser_compare2_qsort, 266 .free = semanage_seuser_free, 267 }; 268
