#include "acl-update.h"
#include <stdlib.h>
#include <stdbool.h>
#include <sys/acl.h>
#include <acl/libacl.h>

acl_t f_acl_get_file(const char *path_p, acl_type_t type) {
    acl_t acl = acl_get_file(path_p, type);
    free((void *)path_p);
    return acl;
}

int f_acl_set_file(const char *path_p, acl_type_t type, acl_t acl) {
    if (acl_valid(acl) != 0) {
        return -1;
    }

    int ret = acl_set_file(path_p, type, acl);
    free((void *)path_p);
    return ret;
}

void f_acl_delete_by_uid(acl_t acl, uid_t uid) {
    acl_entry_t entry; // acl_get_entry does not store entry_p
    acl_tag_t tag_type; // acl_get_tag_type does not store tag_type_p
    void *qualifier_p;
    bool res;

    for (int r = acl_get_entry(acl, ACL_FIRST_ENTRY, &entry); r == 1; r = acl_get_entry(acl, ACL_NEXT_ENTRY, &entry)) {
        if (acl_get_tag_type(entry, &tag_type) != 0)
            return;
        if (tag_type != ACL_USER)
            continue;

        qualifier_p = acl_get_qualifier(entry);
        if (qualifier_p == NULL)
            return;
        res = *(uid_t *)qualifier_p == uid;
        acl_free(qualifier_p);

        if (!res)
            continue;

        acl_delete_entry(acl, entry);
        break;
    }
}