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 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 = strdup(name); 52 if (!tmp_key->name) { 53 ERR(handle, "out of memory, could not create seuser key"); 54 free(tmp_key); 55 return STATUS_ERR; 56 } 57 58 *key_ptr = tmp_key; 59 return STATUS_SUCCESS; 60 } 61 62 hidden_def(semanage_seuser_key_create) 63 64 int semanage_seuser_key_extract(semanage_handle_t * handle, 65 const semanage_seuser_t * seuser, 66 semanage_seuser_key_t ** key_ptr) 67 { 68 69 if (semanage_seuser_key_create(handle, seuser->name, key_ptr) < 0) 70 goto err; 71 72 return STATUS_SUCCESS; 73 74 err: 75 ERR(handle, "could not extract seuser key from record"); 76 return STATUS_ERR; 77 } 78 79 hidden_def(semanage_seuser_key_extract) 80 81 void semanage_seuser_key_free(semanage_seuser_key_t * key) 82 { 83 free(key->name); 84 free(key); 85 } 86 87 hidden_def(semanage_seuser_key_free) 88 89 int semanage_seuser_compare(const semanage_seuser_t * seuser, 90 const semanage_seuser_key_t * key) 91 { 92 93 return strcmp(seuser->name, key->name); 94 } 95 96 hidden_def(semanage_seuser_compare) 97 98 int semanage_seuser_compare2(const semanage_seuser_t * seuser, 99 const semanage_seuser_t * seuser2) 100 { 101 102 return strcmp(seuser->name, seuser2->name); 103 } 104 105 hidden_def(semanage_seuser_compare2) 106 107 static int semanage_seuser_compare2_qsort(const semanage_seuser_t ** seuser, 108 const semanage_seuser_t ** seuser2) 109 { 110 111 return strcmp((*seuser)->name, (*seuser2)->name); 112 } 113 114 /* Name */ 115 const char *semanage_seuser_get_name(const semanage_seuser_t * seuser) 116 { 117 118 return seuser->name; 119 } 120 121 hidden_def(semanage_seuser_get_name) 122 123 int semanage_seuser_set_name(semanage_handle_t * handle, 124 semanage_seuser_t * seuser, const char *name) 125 { 126 127 char *tmp_name = strdup(name); 128 if (!tmp_name) { 129 ERR(handle, "out of memory, could not set seuser (Unix) name"); 130 return STATUS_ERR; 131 } 132 free(seuser->name); 133 seuser->name = tmp_name; 134 return STATUS_SUCCESS; 135 } 136 137 hidden_def(semanage_seuser_set_name) 138 139 /* Selinux Name */ 140 const char *semanage_seuser_get_sename(const semanage_seuser_t * seuser) 141 { 142 143 return seuser->sename; 144 } 145 146 hidden_def(semanage_seuser_get_sename) 147 148 int semanage_seuser_set_sename(semanage_handle_t * handle, 149 semanage_seuser_t * seuser, const char *sename) 150 { 151 152 char *tmp_sename = strdup(sename); 153 if (!tmp_sename) { 154 ERR(handle, 155 "out of memory, could not set seuser (SELinux) name"); 156 return STATUS_ERR; 157 } 158 free(seuser->sename); 159 seuser->sename = tmp_sename; 160 return STATUS_SUCCESS; 161 } 162 163 hidden_def(semanage_seuser_set_sename) 164 165 /* MLS Range */ 166 const char *semanage_seuser_get_mlsrange(const semanage_seuser_t * seuser) 167 { 168 169 return seuser->mls_range; 170 } 171 172 hidden_def(semanage_seuser_get_mlsrange) 173 174 int semanage_seuser_set_mlsrange(semanage_handle_t * handle, 175 semanage_seuser_t * seuser, 176 const char *mls_range) 177 { 178 179 char *tmp_mls_range = strdup(mls_range); 180 if (!tmp_mls_range) { 181 ERR(handle, "out of memory, could not set seuser MLS range"); 182 return STATUS_ERR; 183 } 184 free(seuser->mls_range); 185 seuser->mls_range = tmp_mls_range; 186 return STATUS_SUCCESS; 187 } 188 189 hidden_def(semanage_seuser_set_mlsrange) 190 191 /* Create */ 192 int semanage_seuser_create(semanage_handle_t * handle, 193 semanage_seuser_t ** seuser_ptr) 194 { 195 196 semanage_seuser_t *seuser = 197 (semanage_seuser_t *) malloc(sizeof(semanage_seuser_t)); 198 199 if (!seuser) { 200 ERR(handle, "out of memory, could not create seuser"); 201 return STATUS_ERR; 202 } 203 204 seuser->name = NULL; 205 seuser->sename = NULL; 206 seuser->mls_range = NULL; 207 208 *seuser_ptr = seuser; 209 return STATUS_SUCCESS; 210 } 211 212 hidden_def(semanage_seuser_create) 213 214 /* Deep copy clone */ 215 int semanage_seuser_clone(semanage_handle_t * handle, 216 const semanage_seuser_t * seuser, 217 semanage_seuser_t ** seuser_ptr) 218 { 219 220 semanage_seuser_t *new_seuser = NULL; 221 222 if (semanage_seuser_create(handle, &new_seuser) < 0) 223 goto err; 224 225 if (semanage_seuser_set_name(handle, new_seuser, seuser->name) < 0) 226 goto err; 227 228 if (semanage_seuser_set_sename(handle, new_seuser, seuser->sename) < 0) 229 goto err; 230 231 if (seuser->mls_range && 232 (semanage_seuser_set_mlsrange(handle, new_seuser, seuser->mls_range) 233 < 0)) 234 goto err; 235 236 *seuser_ptr = new_seuser; 237 return STATUS_SUCCESS; 238 239 err: 240 ERR(handle, "could not clone seuser"); 241 semanage_seuser_free(new_seuser); 242 return STATUS_ERR; 243 } 244 245 hidden_def(semanage_seuser_clone) 246 247 /* Destroy */ 248 void semanage_seuser_free(semanage_seuser_t * seuser) 249 { 250 251 if (!seuser) 252 return; 253 254 free(seuser->name); 255 free(seuser->sename); 256 free(seuser->mls_range); 257 free(seuser); 258 } 259 260 hidden_def(semanage_seuser_free) 261 262 /* Record base functions */ 263 record_table_t SEMANAGE_SEUSER_RTABLE = { 264 .create = semanage_seuser_create, 265 .key_extract = semanage_seuser_key_extract, 266 .key_free = semanage_seuser_key_free, 267 .clone = semanage_seuser_clone, 268 .compare = semanage_seuser_compare, 269 .compare2 = semanage_seuser_compare2, 270 .compare2_qsort = semanage_seuser_compare2_qsort, 271 .free = semanage_seuser_free, 272 }; 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