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sd-dhcp6-client: use SYNTHETIC_ERRNO()

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This commit is contained in:
Yu Watanabe 2021-08-10 21:57:42 +09:00
parent de949e911e
commit 0eec7f5ffa
1 changed files with 29 additions and 50 deletions
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79
src/libsystemd-network/sd-dhcp6-client.c
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@ -1134,30 +1134,24 @@ static int client_parse_message(
switch (optcode) {
case SD_DHCP6_OPTION_CLIENTID:
if (clientid) {
log_dhcp6_client(client, "%s contains multiple clientids",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
if (clientid)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s contains multiple clientids",
dhcp6_message_type_to_string(message->type));
if (optlen != client->duid_len ||
memcmp(&client->duid, optval, optlen) != 0) {
log_dhcp6_client(client, "%s DUID does not match",
dhcp6_message_type_to_string(message->type));
memcmp(&client->duid, optval, optlen) != 0)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s DUID does not match",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
clientid = true;
break;
case SD_DHCP6_OPTION_SERVERID:
r = dhcp6_lease_get_serverid(lease, NULL, NULL);
if (r >= 0) {
log_dhcp6_client(client, "%s contains multiple serverids",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
if (r >= 0)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s contains multiple serverids",
dhcp6_message_type_to_string(message->type));
r = dhcp6_lease_set_serverid(lease, optval, optlen);
if (r < 0)
@ -1180,20 +1174,16 @@ static int client_parse_message(
if (status < 0)
return status;
if (status > 0) {
log_dhcp6_client(client, "%s Status %s",
dhcp6_message_type_to_string(message->type),
dhcp6_message_status_to_string(status));
return -EINVAL;
}
if (status > 0)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s Status %s",
dhcp6_message_type_to_string(message->type),
dhcp6_message_status_to_string(status));
break;
case SD_DHCP6_OPTION_IA_NA:
if (client->state == DHCP6_STATE_INFORMATION_REQUEST) {
log_dhcp6_client(client, "Information request ignoring IA NA option");
log_dhcp6_client(client, "Ignoring IA NA option in information requesting mode.");
break;
}
@ -1210,11 +1200,9 @@ static int client_parse_message(
if (r < 0)
return r;
if (client->ia_na.ia_na.id != iaid_lease) {
log_dhcp6_client(client, "%s has wrong IAID for IA NA",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
if (client->ia_na.ia_na.id != iaid_lease)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s has wrong IAID for IA NA",
dhcp6_message_type_to_string(message->type));
if (lease->ia.addresses) {
lt_t1 = MIN(lt_t1, be32toh(lease->ia.ia_na.lifetime_t1));
@ -1225,8 +1213,7 @@ static int client_parse_message(
case SD_DHCP6_OPTION_IA_PD:
if (client->state == DHCP6_STATE_INFORMATION_REQUEST) {
log_dhcp6_client(client, "Information request ignoring IA PD option");
log_dhcp6_client(client, "Ignoring IA PD option in information requesting mode.");
break;
}
@ -1243,11 +1230,9 @@ static int client_parse_message(
if (r < 0)
return r;
if (client->ia_pd.ia_pd.id != iaid_lease) {
log_dhcp6_client(client, "%s has wrong IAID for IA PD",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
if (client->ia_pd.ia_pd.id != iaid_lease)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s has wrong IAID for IA PD",
dhcp6_message_type_to_string(message->type));
if (lease->pd.addresses) {
lt_t1 = MIN(lt_t1, be32toh(lease->pd.ia_pd.lifetime_t1));
@ -1309,24 +1294,18 @@ static int client_parse_message(
pos += offsetof(DHCP6Option, data) + optlen;
}
if (ia_na_status > 0 && ia_pd_status > 0) {
log_dhcp6_client(client, "No IA_PD prefix or IA_NA address received. Ignoring.");
return -EINVAL;
}
if (ia_na_status > 0 && ia_pd_status > 0)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "No IA_PD prefix or IA_NA address received. Ignoring.");
if (!clientid) {
log_dhcp6_client(client, "%s has incomplete options",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
if (!clientid)
return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "%s has incomplete options",
dhcp6_message_type_to_string(message->type));
if (client->state != DHCP6_STATE_INFORMATION_REQUEST) {
r = dhcp6_lease_get_serverid(lease, NULL, NULL);
if (r < 0) {
log_dhcp6_client(client, "%s has no server id",
dhcp6_message_type_to_string(message->type));
return -EINVAL;
}
if (r < 0)
return log_dhcp6_client_errno(client, r, "%s has no server id",
dhcp6_message_type_to_string(message->type));
}
if (lease->ia.addresses) {