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-rw-r--r--src/libsystemd-network/sd-dhcp-client.c143
-rw-r--r--src/libsystemd-network/sd-dhcp6-client.c37
-rw-r--r--src/systemd/sd-dhcp-client.h78
-rw-r--r--src/systemd/sd-dhcp6-client.h61
4 files changed, 214 insertions, 105 deletions
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 287b6e26fa..1571754355 100644
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -115,14 +115,22 @@ static const uint8_t default_req_opts[] = {
SD_DHCP_OPTION_DOMAIN_NAME_SERVER,
};
-static int client_receive_message_raw(sd_event_source *s, int fd,
- uint32_t revents, void *userdata);
-static int client_receive_message_udp(sd_event_source *s, int fd,
- uint32_t revents, void *userdata);
+static int client_receive_message_raw(
+ sd_event_source *s,
+ int fd,
+ uint32_t revents,
+ void *userdata);
+static int client_receive_message_udp(
+ sd_event_source *s,
+ int fd,
+ uint32_t revents,
+ void *userdata);
static void client_stop(sd_dhcp_client *client, int error);
-int sd_dhcp_client_set_callback(sd_dhcp_client *client, sd_dhcp_client_callback_t cb,
- void *userdata) {
+int sd_dhcp_client_set_callback(
+ sd_dhcp_client *client,
+ sd_dhcp_client_callback_t cb,
+ void *userdata) {
assert_return(client, -EINVAL);
client->cb = cb;
@@ -171,8 +179,9 @@ int sd_dhcp_client_set_request_option(sd_dhcp_client *client, uint8_t option) {
return 0;
}
-int sd_dhcp_client_set_request_address(sd_dhcp_client *client,
- const struct in_addr *last_addr) {
+int sd_dhcp_client_set_request_address(
+ sd_dhcp_client *client,
+ const struct in_addr *last_addr) {
assert_return(client, -EINVAL);
assert_return (IN_SET(client->state, DHCP_STATE_INIT,
DHCP_STATE_STOPPED), -EBUSY);
@@ -196,8 +205,12 @@ int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index) {
return 0;
}
-int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
- size_t addr_len, uint16_t arp_type) {
+int sd_dhcp_client_set_mac(
+ sd_dhcp_client *client,
+ const uint8_t *addr,
+ size_t addr_len,
+ uint16_t arp_type) {
+
DHCP_CLIENT_DONT_DESTROY(client);
bool need_restart = false;
@@ -234,8 +247,11 @@ int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
return 0;
}
-int sd_dhcp_client_get_client_id(sd_dhcp_client *client, uint8_t *type,
- const uint8_t **data, size_t *data_len) {
+int sd_dhcp_client_get_client_id(
+ sd_dhcp_client *client,
+ uint8_t *type,
+ const uint8_t **data,
+ size_t *data_len) {
assert_return(client, -EINVAL);
assert_return(type, -EINVAL);
@@ -254,8 +270,12 @@ int sd_dhcp_client_get_client_id(sd_dhcp_client *client, uint8_t *type,
return 0;
}
-int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
- const uint8_t *data, size_t data_len) {
+int sd_dhcp_client_set_client_id(
+ sd_dhcp_client *client,
+ uint8_t type,
+ const uint8_t *data,
+ size_t data_len) {
+
DHCP_CLIENT_DONT_DESTROY(client);
bool need_restart = false;
@@ -298,8 +318,13 @@ int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
return 0;
}
-int sd_dhcp_client_set_iaid_duid(sd_dhcp_client *client, uint32_t iaid,
- uint16_t duid_type, uint8_t *duid, size_t duid_len) {
+int sd_dhcp_client_set_iaid_duid(
+ sd_dhcp_client *client,
+ uint32_t iaid,
+ uint16_t duid_type,
+ uint8_t *duid,
+ size_t duid_len) {
+
DHCP_CLIENT_DONT_DESTROY(client);
int r;
assert_return(client, -EINVAL);
@@ -344,8 +369,10 @@ int sd_dhcp_client_set_iaid_duid(sd_dhcp_client *client, uint32_t iaid,
return 0;
}
-int sd_dhcp_client_set_hostname(sd_dhcp_client *client,
- const char *hostname) {
+int sd_dhcp_client_set_hostname(
+ sd_dhcp_client *client,
+ const char *hostname) {
+
char *new_hostname = NULL;
assert_return(client, -EINVAL);
@@ -368,8 +395,10 @@ int sd_dhcp_client_set_hostname(sd_dhcp_client *client,
return 0;
}
-int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client,
- const char *vci) {
+int sd_dhcp_client_set_vendor_class_identifier(
+ sd_dhcp_client *client,
+ const char *vci) {
+
char *new_vci = NULL;
assert_return(client, -EINVAL);
@@ -452,8 +481,13 @@ static void client_stop(sd_dhcp_client *client, int error) {
client_initialize(client);
}
-static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
- uint8_t type, size_t *_optlen, size_t *_optoffset) {
+static int client_message_init(
+ sd_dhcp_client *client,
+ DHCPPacket **ret,
+ uint8_t type,
+ size_t *_optlen,
+ size_t *_optoffset) {
+
_cleanup_free_ DHCPPacket *packet = NULL;
size_t optlen, optoffset, size;
be16_t max_size;
@@ -594,8 +628,12 @@ static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
return 0;
}
-static int client_append_fqdn_option(DHCPMessage *message, size_t optlen, size_t *optoffset,
- const char *fqdn) {
+static int client_append_fqdn_option(
+ DHCPMessage *message,
+ size_t optlen,
+ size_t *optoffset,
+ const char *fqdn) {
+
uint8_t buffer[3 + DHCP_MAX_FQDN_LENGTH];
int r;
@@ -612,8 +650,11 @@ static int client_append_fqdn_option(DHCPMessage *message, size_t optlen, size_t
return r;
}
-static int dhcp_client_send_raw(sd_dhcp_client *client, DHCPPacket *packet,
- size_t len) {
+static int dhcp_client_send_raw(
+ sd_dhcp_client *client,
+ DHCPPacket *packet,
+ size_t len) {
+
dhcp_packet_append_ip_headers(packet, INADDR_ANY, DHCP_PORT_CLIENT,
INADDR_BROADCAST, DHCP_PORT_SERVER, len);
@@ -820,8 +861,11 @@ static int client_send_request(sd_dhcp_client *client) {
static int client_start(sd_dhcp_client *client);
-static int client_timeout_resend(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_resend(
+ sd_event_source *s,
+ uint64_t usec,
+ void *userdata) {
+
sd_dhcp_client *client = userdata;
DHCP_CLIENT_DONT_DESTROY(client);
usec_t next_timeout = 0;
@@ -965,8 +1009,10 @@ error:
return 0;
}
-static int client_initialize_io_events(sd_dhcp_client *client,
- sd_event_io_handler_t io_callback) {
+static int client_initialize_io_events(
+ sd_dhcp_client *client,
+ sd_event_io_handler_t io_callback) {
+
int r;
assert(client);
@@ -1033,8 +1079,7 @@ error:
}
-static int client_initialize_events(sd_dhcp_client *client,
- sd_event_io_handler_t io_callback) {
+static int client_initialize_events(sd_dhcp_client *client, sd_event_io_handler_t io_callback) {
client_initialize_io_events(client, io_callback);
client_initialize_time_events(client);
@@ -1074,8 +1119,7 @@ static int client_start(sd_dhcp_client *client) {
return client_start_delayed(client);
}
-static int client_timeout_expire(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_expire(sd_event_source *s, uint64_t usec, void *userdata) {
sd_dhcp_client *client = userdata;
DHCP_CLIENT_DONT_DESTROY(client);
@@ -1115,8 +1159,7 @@ static int client_timeout_t2(sd_event_source *s, uint64_t usec, void *userdata)
return client_initialize_events(client, client_receive_message_raw);
}
-static int client_timeout_t1(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_t1(sd_event_source *s, uint64_t usec, void *userdata) {
sd_dhcp_client *client = userdata;
DHCP_CLIENT_DONT_DESTROY(client);
@@ -1126,8 +1169,7 @@ static int client_timeout_t1(sd_event_source *s, uint64_t usec,
return client_initialize_time_events(client);
}
-static int client_handle_offer(sd_dhcp_client *client, DHCPMessage *offer,
- size_t len) {
+static int client_handle_offer(sd_dhcp_client *client, DHCPMessage *offer, size_t len) {
_cleanup_(sd_dhcp_lease_unrefp) sd_dhcp_lease *lease = NULL;
int r;
@@ -1178,8 +1220,7 @@ static int client_handle_offer(sd_dhcp_client *client, DHCPMessage *offer,
return 0;
}
-static int client_handle_forcerenew(sd_dhcp_client *client, DHCPMessage *force,
- size_t len) {
+static int client_handle_forcerenew(sd_dhcp_client *client, DHCPMessage *force, size_t len) {
int r;
r = dhcp_option_parse(force, len, NULL, NULL, NULL);
@@ -1191,8 +1232,7 @@ static int client_handle_forcerenew(sd_dhcp_client *client, DHCPMessage *force,
return 0;
}
-static int client_handle_ack(sd_dhcp_client *client, DHCPMessage *ack,
- size_t len) {
+static int client_handle_ack(sd_dhcp_client *client, DHCPMessage *ack, size_t len) {
_cleanup_(sd_dhcp_lease_unrefp) sd_dhcp_lease *lease = NULL;
_cleanup_free_ char *error_message = NULL;
int r;
@@ -1420,8 +1460,7 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
return 0;
}
-static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message,
- int len) {
+static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message, int len) {
DHCP_CLIENT_DONT_DESTROY(client);
char time_string[FORMAT_TIMESPAN_MAX];
int r = 0, notify_event = 0;
@@ -1567,8 +1606,12 @@ error:
return r;
}
-static int client_receive_message_udp(sd_event_source *s, int fd,
- uint32_t revents, void *userdata) {
+static int client_receive_message_udp(
+ sd_event_source *s,
+ int fd,
+ uint32_t revents,
+ void *userdata) {
+
sd_dhcp_client *client = userdata;
_cleanup_free_ DHCPMessage *message = NULL;
const struct ether_addr zero_mac = { { 0, 0, 0, 0, 0, 0 } };
@@ -1645,8 +1688,12 @@ static int client_receive_message_udp(sd_event_source *s, int fd,
return client_handle_message(client, message, len);
}
-static int client_receive_message_raw(sd_event_source *s, int fd,
- uint32_t revents, void *userdata) {
+static int client_receive_message_raw(
+ sd_event_source *s,
+ int fd,
+ uint32_t revents,
+ void *userdata) {
+
sd_dhcp_client *client = userdata;
_cleanup_free_ DHCPPacket *packet = NULL;
uint8_t cmsgbuf[CMSG_LEN(sizeof(struct tpacket_auxdata))];
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index ee4fb4fc1e..7dd4990bda 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -111,7 +111,10 @@ DEFINE_STRING_TABLE_LOOKUP(dhcp6_message_status, int);
static int client_start(sd_dhcp6_client *client, enum DHCP6State state);
-int sd_dhcp6_client_set_callback(sd_dhcp6_client *client, sd_dhcp6_client_callback_t cb, void *userdata) {
+int sd_dhcp6_client_set_callback(
+ sd_dhcp6_client *client,
+ sd_dhcp6_client_callback_t cb,
+ void *userdata) {
assert_return(client, -EINVAL);
client->cb = cb;
@@ -131,7 +134,10 @@ int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index) {
return 0;
}
-int sd_dhcp6_client_set_local_address(sd_dhcp6_client *client, const struct in6_addr *local_address) {
+int sd_dhcp6_client_set_local_address(
+ sd_dhcp6_client *client,
+ const struct in6_addr *local_address) {
+
assert_return(client, -EINVAL);
assert_return(local_address, -EINVAL);
assert_return(in_addr_is_link_local(AF_INET6, (const union in_addr_union *) local_address) > 0, -EINVAL);
@@ -180,8 +186,11 @@ static int client_ensure_duid(sd_dhcp6_client *client) {
return dhcp_identifier_set_duid_en(&client->duid, &client->duid_len);
}
-int sd_dhcp6_client_set_duid(sd_dhcp6_client *client, uint16_t duid_type,
- uint8_t *duid, size_t duid_len) {
+int sd_dhcp6_client_set_duid(
+ sd_dhcp6_client *client,
+ uint16_t duid_type,
+ uint8_t *duid,
+ size_t duid_len) {
int r;
assert_return(client, -EINVAL);
assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY);
@@ -427,8 +436,7 @@ static int client_send_message(sd_dhcp6_client *client, usec_t time_now) {
return 0;
}
-static int client_timeout_t2(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_t2(sd_event_source *s, uint64_t usec, void *userdata) {
sd_dhcp6_client *client = userdata;
assert_return(s, -EINVAL);
@@ -445,8 +453,7 @@ static int client_timeout_t2(sd_event_source *s, uint64_t usec,
return 0;
}
-static int client_timeout_t1(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_t1(sd_event_source *s, uint64_t usec, void *userdata) {
sd_dhcp6_client *client = userdata;
assert_return(s, -EINVAL);
@@ -463,8 +470,7 @@ static int client_timeout_t1(sd_event_source *s, uint64_t usec,
return 0;
}
-static int client_timeout_resend_expire(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_resend_expire(sd_event_source *s, uint64_t usec, void *userdata) {
sd_dhcp6_client *client = userdata;
DHCP6_CLIENT_DONT_DESTROY(client);
enum DHCP6State state;
@@ -490,8 +496,7 @@ static usec_t client_timeout_compute_random(usec_t val) {
(random_u32() % (2 * USEC_PER_SEC)) * val / 10 / USEC_PER_SEC;
}
-static int client_timeout_resend(sd_event_source *s, uint64_t usec,
- void *userdata) {
+static int client_timeout_resend(sd_event_source *s, uint64_t usec, void *userdata) {
int r = 0;
sd_dhcp6_client *client = userdata;
usec_t time_now, init_retransmit_time = 0, max_retransmit_time = 0;
@@ -658,9 +663,11 @@ static int client_ensure_iaid(sd_dhcp6_client *client) {
return 0;
}
-static int client_parse_message(sd_dhcp6_client *client,
- DHCP6Message *message, size_t len,
- sd_dhcp6_lease *lease) {
+static int client_parse_message(
+ sd_dhcp6_client *client,
+ DHCP6Message *message,
+ size_t len,
+ sd_dhcp6_lease *lease) {
int r;
uint8_t *optval, *option, *id = NULL;
uint16_t optcode, status;
diff --git a/src/systemd/sd-dhcp-client.h b/src/systemd/sd-dhcp-client.h
index 374ff8774e..6fcf781d90 100644
--- a/src/systemd/sd-dhcp-client.h
+++ b/src/systemd/sd-dhcp-client.h
@@ -84,28 +84,57 @@ enum {
typedef struct sd_dhcp_client sd_dhcp_client;
-typedef void (*sd_dhcp_client_callback_t)(sd_dhcp_client *client, int event,
- void *userdata);
-int sd_dhcp_client_set_callback(sd_dhcp_client *client, sd_dhcp_client_callback_t cb,
- void *userdata);
-
-int sd_dhcp_client_set_request_option(sd_dhcp_client *client, uint8_t option);
-int sd_dhcp_client_set_request_address(sd_dhcp_client *client,
- const struct in_addr *last_address);
-int sd_dhcp_client_set_request_broadcast(sd_dhcp_client *client, int broadcast);
-int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index);
-int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
- size_t addr_len, uint16_t arp_type);
-int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
- const uint8_t *data, size_t data_len);
-int sd_dhcp_client_set_iaid_duid(sd_dhcp_client *client, uint32_t iaid,
- uint16_t duid_type, uint8_t *duid, size_t duid_len);
-int sd_dhcp_client_get_client_id(sd_dhcp_client *client, uint8_t *type,
- const uint8_t **data, size_t *data_len);
-int sd_dhcp_client_set_mtu(sd_dhcp_client *client, uint32_t mtu);
-int sd_dhcp_client_set_hostname(sd_dhcp_client *client, const char *hostname);
-int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client, const char *vci);
-int sd_dhcp_client_get_lease(sd_dhcp_client *client, sd_dhcp_lease **ret);
+typedef void (*sd_dhcp_client_callback_t)(sd_dhcp_client *client, int event, void *userdata);
+int sd_dhcp_client_set_callback(
+ sd_dhcp_client *client,
+ sd_dhcp_client_callback_t cb,
+ void *userdata);
+
+int sd_dhcp_client_set_request_option(
+ sd_dhcp_client *client,
+ uint8_t option);
+int sd_dhcp_client_set_request_address(
+ sd_dhcp_client *client,
+ const struct in_addr *last_address);
+int sd_dhcp_client_set_request_broadcast(
+ sd_dhcp_client *client,
+ int broadcast);
+int sd_dhcp_client_set_index(
+ sd_dhcp_client *client,
+ int interface_index);
+int sd_dhcp_client_set_mac(
+ sd_dhcp_client *client,
+ const uint8_t *addr,
+ size_t addr_len,
+ uint16_t arp_type);
+int sd_dhcp_client_set_client_id(
+ sd_dhcp_client *client,
+ uint8_t type,
+ const uint8_t *data,
+ size_t data_len);
+int sd_dhcp_client_set_iaid_duid(
+ sd_dhcp_client *client,
+ uint32_t iaid,
+ uint16_t duid_type,
+ uint8_t *duid,
+ size_t duid_len);
+int sd_dhcp_client_get_client_id(
+ sd_dhcp_client *client,
+ uint8_t *type,
+ const uint8_t **data,
+ size_t *data_len);
+int sd_dhcp_client_set_mtu(
+ sd_dhcp_client *client,
+ uint32_t mtu);
+int sd_dhcp_client_set_hostname(
+ sd_dhcp_client *client,
+ const char *hostname);
+int sd_dhcp_client_set_vendor_class_identifier(
+ sd_dhcp_client *client,
+ const char *vci);
+int sd_dhcp_client_get_lease(
+ sd_dhcp_client *client,
+ sd_dhcp_lease **ret);
int sd_dhcp_client_stop(sd_dhcp_client *client);
int sd_dhcp_client_start(sd_dhcp_client *client);
@@ -115,7 +144,10 @@ sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client);
int sd_dhcp_client_new(sd_dhcp_client **ret);
-int sd_dhcp_client_attach_event(sd_dhcp_client *client, sd_event *event, int64_t priority);
+int sd_dhcp_client_attach_event(
+ sd_dhcp_client *client,
+ sd_event *event,
+ int64_t priority);
int sd_dhcp_client_detach_event(sd_dhcp_client *client);
sd_event *sd_dhcp_client_get_event(sd_dhcp_client *client);
diff --git a/src/systemd/sd-dhcp6-client.h b/src/systemd/sd-dhcp6-client.h
index 4604cb6382..e29bcfdb8c 100644
--- a/src/systemd/sd-dhcp6-client.h
+++ b/src/systemd/sd-dhcp6-client.h
@@ -76,29 +76,52 @@ enum {
typedef struct sd_dhcp6_client sd_dhcp6_client;
-typedef void (*sd_dhcp6_client_callback_t)(sd_dhcp6_client *client, int event,
- void *userdata);
-int sd_dhcp6_client_set_callback(sd_dhcp6_client *client,
- sd_dhcp6_client_callback_t cb, void *userdata);
-
-int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index);
-int sd_dhcp6_client_set_local_address(sd_dhcp6_client *client, const struct in6_addr *local_address);
-int sd_dhcp6_client_set_mac(sd_dhcp6_client *client, const uint8_t *addr,
- size_t addr_len, uint16_t arp_type);
-int sd_dhcp6_client_set_duid(sd_dhcp6_client *client, uint16_t duid_type,
- uint8_t *duid, size_t duid_len);
-int sd_dhcp6_client_set_iaid(sd_dhcp6_client *client, uint32_t iaid);
-int sd_dhcp6_client_set_information_request(sd_dhcp6_client *client, int enabled);
-int sd_dhcp6_client_get_information_request(sd_dhcp6_client *client, int *enabled);
-int sd_dhcp6_client_set_request_option(sd_dhcp6_client *client,
- uint16_t option);
-
-int sd_dhcp6_client_get_lease(sd_dhcp6_client *client, sd_dhcp6_lease **ret);
+typedef void (*sd_dhcp6_client_callback_t)(sd_dhcp6_client *client, int event, void *userdata);
+int sd_dhcp6_client_set_callback(
+ sd_dhcp6_client *client,
+ sd_dhcp6_client_callback_t cb,
+ void *userdata);
+
+int sd_dhcp6_client_set_index(
+ sd_dhcp6_client *client,
+ int interface_index);
+int sd_dhcp6_client_set_local_address(
+ sd_dhcp6_client *client,
+ const struct in6_addr *local_address);
+int sd_dhcp6_client_set_mac(
+ sd_dhcp6_client *client,
+ const uint8_t *addr,
+ size_t addr_len,
+ uint16_t arp_type);
+int sd_dhcp6_client_set_duid(
+ sd_dhcp6_client *client,
+ uint16_t duid_type,
+ uint8_t *duid,
+ size_t duid_len);
+int sd_dhcp6_client_set_iaid(
+ sd_dhcp6_client *client,
+ uint32_t iaid);
+int sd_dhcp6_client_set_information_request(
+ sd_dhcp6_client *client,
+ int enabled);
+int sd_dhcp6_client_get_information_request(
+ sd_dhcp6_client *client,
+ int *enabled);
+int sd_dhcp6_client_set_request_option(
+ sd_dhcp6_client *client,
+ uint16_t option);
+
+int sd_dhcp6_client_get_lease(
+ sd_dhcp6_client *client,
+ sd_dhcp6_lease **ret);
int sd_dhcp6_client_stop(sd_dhcp6_client *client);
int sd_dhcp6_client_start(sd_dhcp6_client *client);
int sd_dhcp6_client_is_running(sd_dhcp6_client *client);
-int sd_dhcp6_client_attach_event(sd_dhcp6_client *client, sd_event *event, int64_t priority);
+int sd_dhcp6_client_attach_event(
+ sd_dhcp6_client *client,
+ sd_event *event,
+ int64_t priority);
int sd_dhcp6_client_detach_event(sd_dhcp6_client *client);
sd_event *sd_dhcp6_client_get_event(sd_dhcp6_client *client);
sd_dhcp6_client *sd_dhcp6_client_ref(sd_dhcp6_client *client);