1 #include <stdlib.h> 2 #include <string.h> 3 4 #include <sepol/policydb/hashtab.h> 5 #include <sepol/policydb/policydb.h> 6 7 #include "debug.h" 8 #include "handle.h" 9 10 /* Check if a role exists */ 11 int sepol_role_exists(sepol_handle_t * handle __attribute__ ((unused)), 12 sepol_policydb_t * p, const char *role, int *response) 13 { 14 15 policydb_t *policydb = &p->p; 16 *response = (hashtab_search(policydb->p_roles.table, 17 (const hashtab_key_t)role) != NULL); 18 19 handle = NULL; 20 return STATUS_SUCCESS; 21 } 22 23 /* Fill an array with all valid roles */ 24 int sepol_role_list(sepol_handle_t * handle, 25 sepol_policydb_t * p, char ***roles, unsigned int *nroles) 26 { 27 28 policydb_t *policydb = &p->p; 29 unsigned int tmp_nroles = policydb->p_roles.nprim; 30 char **tmp_roles = (char **)malloc(tmp_nroles * sizeof(char *)); 31 char **ptr; 32 unsigned int i; 33 if (!tmp_roles) 34 goto omem; 35 36 for (i = 0; i < tmp_nroles; i++) { 37 tmp_roles[i] = strdup(policydb->p_role_val_to_name[i]); 38 if (!tmp_roles[i]) 39 goto omem; 40 } 41 42 *nroles = tmp_nroles; 43 *roles = tmp_roles; 44 45 return STATUS_SUCCESS; 46 47 omem: 48 ERR(handle, "out of memory, could not list roles"); 49 50 ptr = tmp_roles; 51 while (ptr && *ptr) 52 free(*ptr++); 53 free(tmp_roles); 54 return STATUS_ERR; 55 } 56
