hackedteam/core-android-native

#include <stdlib.h>
#include <string.h>

#include <sepol/policydb/hashtab.h>
#include <sepol/policydb/policydb.h>

#include "debug.h"
#include "handle.h"
#include "log.h"

/* Check if a role exists */
int sepol_role_exists(sepol_handle_t * handle __attribute__ ((unused)),
              sepol_policydb_t * p, const char *role, int *response)
{

    policydb_t *policydb = &p->p;
    *response = (hashtab_search(policydb->p_roles.table,
                    (const hashtab_key_t)role) != NULL);

    handle = NULL;
    return STATUS_SUCCESS;
}

/* Fill an array with all valid roles */
int sepol_role_list(sepol_handle_t * handle,
            sepol_policydb_t * p, char ***roles, unsigned int *nroles)
{

    policydb_t *policydb = &p->p;
    unsigned int tmp_nroles = policydb->p_roles.nprim;
    char **tmp_roles = (char **)malloc(tmp_nroles * sizeof(char *));
    char **ptr;
    unsigned int i;
    if (!tmp_roles)
        goto omem;

    for (i = 0; i < tmp_nroles; i++) {
        tmp_roles[i] = strdup(policydb->p_role_val_to_name[i]);
        if (!tmp_roles[i])
            goto omem;
    }

    *nroles = tmp_nroles;
    *roles = tmp_roles;

    return STATUS_SUCCESS;

      omem:
    LOGD("out of memory, could not list roles");

    ptr = tmp_roles;
    while (ptr && *ptr)
        free(*ptr++);
    free(tmp_roles);
    return STATUS_ERR;
}