static krb5_error_code
fkt_next_entry_int(krb5_context context,
krb5_keytab id,
krb5_keytab_entry *entry,
krb5_kt_cursor *cursor,
off_t *start,
off_t *end)
{
int32_t len;
int ret;
int8_t tmp8;
int32_t tmp32;
off_t pos, curpos;
pos = krb5_storage_seek(cursor->sp, 0, SEEK_CUR);
loop:
ret = krb5_ret_int32(cursor->sp, &len);
if (ret)
return ret;
if(len < 0) {
pos = krb5_storage_seek(cursor->sp, -len, SEEK_CUR);
goto loop;
}
ret = krb5_kt_ret_principal (context, cursor->sp, &entry->principal);
if (ret)
goto out;
ret = krb5_ret_int32(cursor->sp, &tmp32);
entry->timestamp = tmp32;
if (ret)
goto out;
ret = krb5_ret_int8(cursor->sp, &tmp8);
if (ret)
goto out;
entry->vno = tmp8;
ret = krb5_kt_ret_keyblock (context, cursor->sp, &entry->keyblock);
if (ret)
goto out;
/* there might be a 32 bit kvno here
* if it's zero, assume that the 8bit one was right,
* otherwise trust the new value */
curpos = krb5_storage_seek(cursor->sp, 0, SEEK_CUR);
if(len + 4 + pos - curpos == 4) {
ret = krb5_ret_int32(cursor->sp, &tmp32);
if (ret == 0 && tmp32 != 0) {
entry->vno = tmp32;
}
}
if(start) *start = pos;
if(end) *end = *start + 4 + len;
out:
krb5_storage_seek(cursor->sp, pos + 4 + len, SEEK_SET);
return ret;
}
static krb5_error_code
fkt_next_entry_int(krb5_context context,
krb5_keytab id,
krb5_keytab_entry *entry,
krb5_kt_cursor *cursor,
off_t *start,
off_t *end)
{
struct fkt_data *d = id->data;
int32_t len;
int ret;
int8_t tmp8;
int32_t tmp32;
uint32_t utmp32;
off_t pos, curpos;
pos = krb5_storage_seek(cursor->sp, 0, SEEK_CUR);
loop:
ret = krb5_ret_int32(cursor->sp, &len);
if (ret)
return ret;
if(len < 0) {
pos = krb5_storage_seek(cursor->sp, -len, SEEK_CUR);
goto loop;
}
ret = krb5_kt_ret_principal (context, d, cursor->sp, &entry->principal);
if (ret)
goto out;
ret = krb5_ret_uint32(cursor->sp, &utmp32);
entry->timestamp = utmp32;
if (ret)
goto out;
ret = krb5_ret_int8(cursor->sp, &tmp8);
if (ret)
goto out;
entry->vno = tmp8;
ret = krb5_kt_ret_keyblock (context, d, cursor->sp, &entry->keyblock);
if (ret)
goto out;
/* there might be a 32 bit kvno here
* if it's zero, assume that the 8bit one was right,
* otherwise trust the new value */
curpos = krb5_storage_seek(cursor->sp, 0, SEEK_CUR);
if(len + 4 + pos - curpos >= 4) {
ret = krb5_ret_int32(cursor->sp, &tmp32);
if (ret == 0 && tmp32 != 0)
entry->vno = tmp32;
}
/* there might be a flags field here */
if(len + 4 + pos - curpos >= 8) {
ret = krb5_ret_uint32(cursor->sp, &utmp32);
if (ret == 0)
entry->flags = utmp32;
} else
entry->flags = 0;
entry->aliases = NULL;
if(start) *start = pos;
if(end) *end = pos + 4 + len;
out:
if (ret)
krb5_kt_free_entry(context, entry);
krb5_storage_seek(cursor->sp, pos + 4 + len, SEEK_SET);
return ret;
}
