static int set_general_u16_array(struct arguments *args, enum general_module module, int type,
char *value)
{
__u16* array;
size_t array_len;
int error;
error = str_to_u16_array(value, &array, &array_len);
if (error)
return error;
error = set_general_arg(args, module, type, array_len * sizeof(*array), array);
free(array);
return error;
}
/*
* PARSER. Field 2 in ARGP.
*/
static int parse_opt(int key, char *arg, struct argp_state *state)
{
struct arguments *arguments = state->input;
int error = 0;
__u16 temp;
switch (key) {
case ARGP_POOL6:
arguments->mode = MODE_POOL6;
break;
case ARGP_POOL4:
arguments->mode = MODE_POOL4;
break;
case ARGP_BIB:
arguments->mode = MODE_BIB;
break;
case ARGP_SESSION:
arguments->mode = MODE_SESSION;
break;
case ARGP_FILTERING:
arguments->mode = MODE_FILTERING;
break;
case ARGP_TRANSLATE:
arguments->mode = MODE_TRANSLATE;
break;
case ARGP_DISPLAY:
arguments->operation = OP_DISPLAY;
break;
case ARGP_ADD:
arguments->operation = OP_ADD;
break;
case ARGP_REMOVE:
arguments->operation = OP_REMOVE;
break;
case ARGP_UDP:
arguments->udp = true;
break;
case ARGP_TCP:
arguments->tcp = true;
break;
case ARGP_ICMP:
arguments->icmp = true;
break;
case ARGP_ADDRESS:
error = str_to_addr4(arg, &arguments->pool4_addr);
arguments->pool4_addr_set = true;
break;
case ARGP_PREFIX:
error = str_to_prefix(arg, &arguments->pool6_prefix);
arguments->pool6_prefix_set = true;
break;
// case ARGP_STATIC:
// arguments->static_entries = true;
// break;
// case ARGP_DYNAMIC:
// arguments->dynamic_entries = true;
// break;
//
// case ARGP_IPV6:
// error = str_to_addr6_port(arg, &arguments->bib_addr6);
// arguments->bib_addr6_set = true;
// break;
// case ARGP_IPV4:
// error = str_to_addr4_port(arg, &arguments->bib_addr4);
// arguments->bib_addr4_set = true;
// break;
case ARGP_REMOTE6:
error = str_to_addr6_port(arg, &arguments->session_pair6.remote);
arguments->session_pair6_remote_set = true;
break;
case ARGP_LOCAL6:
error = str_to_addr6_port(arg, &arguments->session_pair6.local);
arguments->session_pair6_local_set = true;
break;
case ARGP_LOCAL4:
error = str_to_addr4_port(arg, &arguments->session_pair4.local);
arguments->session_pair4_local_set = true;
break;
case ARGP_REMOTE4:
error = str_to_addr4_port(arg, &arguments->session_pair4.remote);
arguments->session_pair4_remote_set = true;
break;
case ARGP_DROP_ADDR:
arguments->mode = MODE_FILTERING;
arguments->operation |= DROP_BY_ADDR_MASK;
error = str_to_bool(arg, &arguments->filtering.drop_by_addr);
break;
case ARGP_DROP_INFO:
arguments->mode = MODE_FILTERING;
arguments->operation |= DROP_ICMP6_INFO_MASK;
error = str_to_bool(arg, &arguments->filtering.drop_icmp6_info);
break;
// case ARGP_DROP_TCP:
// arguments->mode = MODE_FILTERING;
// arguments->operation |= DROP_EXTERNAL_TCP_MASK;
// error = str_to_bool(arg, &arguments->filtering.drop_external_tcp);
// break;
case ARGP_UDP_TO:
arguments->mode = MODE_FILTERING;
arguments->operation |= UDP_TIMEOUT_MASK;
error = str_to_u16(arg, &temp, UDP_MIN, 0xFFFF);
arguments->filtering.to.udp = temp;
break;
case ARGP_ICMP_TO:
arguments->mode = MODE_FILTERING;
arguments->operation |= ICMP_TIMEOUT_MASK;
error = str_to_u16(arg, &temp, 0, 0xFFFF);
arguments->filtering.to.icmp = temp;
break;
case ARGP_TCP_TO:
arguments->mode = MODE_FILTERING;
arguments->operation |= TCP_EST_TIMEOUT_MASK;
error = str_to_u16(arg, &temp, TCP_EST, 0xFFFF);
arguments->filtering.to.tcp_est = temp;
break;
case ARGP_TCP_TRANS_TO:
arguments->mode = MODE_FILTERING;
arguments->operation |= TCP_TRANS_TIMEOUT_MASK;
error = str_to_u16(arg, &temp, TCP_TRANS, 0xFFFF);
arguments->filtering.to.tcp_trans = temp;
break;
case ARGP_HEAD:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= SKB_HEAD_ROOM_MASK;
error = str_to_u16(arg, &arguments->translate.skb_head_room, 0, 0xFFFF);
break;
case ARGP_TAIL:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= SKB_TAIL_ROOM_MASK;
error = str_to_u16(arg, &arguments->translate.skb_tail_room, 0, 0xFFFF);
break;
case ARGP_RESET_TCLASS:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= RESET_TCLASS_MASK;
error = str_to_bool(arg, &arguments->translate.reset_traffic_class);
break;
case ARGP_RESET_TOS:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= RESET_TOS_MASK;
error = str_to_bool(arg, &arguments->translate.reset_tos);
break;
case ARGP_NEW_TOS:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= NEW_TOS_MASK;
error = str_to_u8(arg, &arguments->translate.new_tos, 0, 0xFF);
break;
case ARGP_DF:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= DF_ALWAYS_ON_MASK;
error = str_to_bool(arg, &arguments->translate.df_always_on);
break;
case ARGP_BUILD_ID:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= BUILD_IPV4_ID_MASK;
error = str_to_bool(arg, &arguments->translate.build_ipv4_id);
break;
case ARGP_LOWER_MTU_FAIL:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= LOWER_MTU_FAIL_MASK;
error = str_to_bool(arg, &arguments->translate.lower_mtu_fail);
break;
case ARGP_NEXT_MTU6:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= IPV6_NEXTHOP_MTU_MASK;
error = str_to_u16(arg, &arguments->translate.ipv6_nexthop_mtu, 0, 0xFFFF);
break;
case ARGP_NEXT_MTU4:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= IPV4_NEXTHOP_MTU_MASK;
error = str_to_u16(arg, &arguments->translate.ipv4_nexthop_mtu, 0, 0xFFFF);
break;
case ARGP_PLATEAUS:
arguments->mode = MODE_TRANSLATE;
arguments->operation |= MTU_PLATEAUS_MASK;
error = str_to_u16_array(arg, &arguments->translate.mtu_plateaus,
&arguments->translate.mtu_plateau_count);
break;
default:
return ARGP_ERR_UNKNOWN;
}
return error;
}
