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iwd
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p2putil: Add P2P frame type structures and utilities 

Declare structures to hold the parsed contents of the P2P IEs and WSC
IEs in P2P-related frames and add functions to free memory used by
those structures.
This commit is contained in:
Andrew Zaborowski 2019-07-09 03:24:38 +02:00 committed by Denis Kenzior
parent 884cbd4cbb
commit 1f637cb054
2 changed files with 315 additions and 0 deletions
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128
src/p2putil.c
View File

@ -736,3 +736,131 @@ done:
return 0;
}
static void p2p_free_channel_list_attr(struct p2p_channel_list_attr *attr)
{
l_queue_destroy(attr->channel_entries, l_free);
attr->channel_entries = NULL;
}
static void p2p_free_notice_of_absence_attr(
struct p2p_notice_of_absence_attr *attr)
{
l_queue_destroy(attr->descriptors, l_free);
attr->descriptors = NULL;
}
static void p2p_free_device_info_attr(struct p2p_device_info_attr *attr)
{
l_queue_destroy(attr->secondary_device_types, l_free);
attr->secondary_device_types = NULL;
}
static void p2p_free_group_info_attr(struct l_queue **group_clients)
{
l_queue_destroy(*group_clients, p2p_free_client_info_descriptor);
*group_clients = NULL;
}
static void p2p_free_interface_attr(struct p2p_interface_attr *attr)
{
l_queue_destroy(attr->interface_addrs, l_free);
attr->interface_addrs = NULL;
}
static void p2p_free_svc_hash_attr(struct l_queue **hashes)
{
l_queue_destroy(*hashes, l_free);
*hashes = NULL;
}
static void p2p_free_advertised_service_info_attr(struct l_queue **descriptors)
{
l_queue_destroy(*descriptors, p2p_free_advertised_service_descriptor);
*descriptors = NULL;
}
void p2p_free_beacon(struct p2p_beacon *data)
{
p2p_free_notice_of_absence_attr(&data->notice_of_absence);
}
void p2p_free_probe_req(struct p2p_probe_req *data)
{
p2p_free_device_info_attr(&data->device_info);
p2p_free_svc_hash_attr(&data->service_hashes);
}
void p2p_free_probe_resp(struct p2p_probe_resp *data)
{
p2p_free_notice_of_absence_attr(&data->notice_of_absence);
p2p_free_device_info_attr(&data->device_info);
p2p_free_group_info_attr(&data->group_clients);
p2p_free_advertised_service_info_attr(&data->advertised_svcs);
}
void p2p_free_association_req(struct p2p_association_req *data)
{
p2p_free_device_info_attr(&data->device_info);
p2p_free_interface_attr(&data->interface);
}
void p2p_free_association_resp(struct p2p_association_resp *data)
{
}
void p2p_free_go_negotiation_req(struct p2p_go_negotiation_req *data)
{
p2p_free_channel_list_attr(&data->channel_list);
p2p_free_device_info_attr(&data->device_info);
}
void p2p_free_go_negotiation_resp(struct p2p_go_negotiation_resp *data)
{
p2p_free_channel_list_attr(&data->channel_list);
p2p_free_device_info_attr(&data->device_info);
}
void p2p_free_go_negotiation_confirmation(
struct p2p_go_negotiation_confirmation *data)
{
p2p_free_channel_list_attr(&data->channel_list);
}
void p2p_free_invitation_req(struct p2p_invitation_req *data)
{
p2p_free_channel_list_attr(&data->channel_list);
p2p_free_device_info_attr(&data->device_info);
}
void p2p_free_invitation_resp(struct p2p_invitation_resp *data)
{
p2p_free_channel_list_attr(&data->channel_list);
}
void p2p_free_provision_disc_req(struct p2p_provision_discovery_req *data)
{
p2p_free_channel_list_attr(&data->channel_list);
p2p_free_device_info_attr(&data->device_info);
}
void p2p_free_provision_disc_resp(struct p2p_provision_discovery_resp *data)
{
p2p_free_channel_list_attr(&data->channel_list);
p2p_free_device_info_attr(&data->device_info);
}
void p2p_free_notice_of_absence(struct p2p_notice_of_absence *data)
{
p2p_free_notice_of_absence_attr(&data->notice_of_absence);
}
void p2p_free_presence_req(struct p2p_presence_req *data)
{
p2p_free_notice_of_absence_attr(&data->notice_of_absence);
}
void p2p_free_presence_resp(struct p2p_presence_resp *data)
{
p2p_free_notice_of_absence_attr(&data->notice_of_absence);
}

187
src/p2putil.h
View File

@ -251,3 +251,190 @@ enum p2p_asp_coordination_transport_protocol {
P2P_ASP_TRANSPORT_UNKNOWN = 0,
P2P_ASP_TRANSPORT_UDP,
};
struct p2p_beacon {
struct p2p_capability_attr capability;
uint8_t device_addr[6];
struct p2p_notice_of_absence_attr notice_of_absence;
};
struct p2p_probe_req {
struct p2p_capability_attr capability;
uint8_t device_addr[6];
struct p2p_channel_attr listen_channel;
struct p2p_extended_listen_timing_attr listen_availability;
struct p2p_device_info_attr device_info;
struct p2p_channel_attr operating_channel;
struct l_queue *service_hashes;
};
struct p2p_probe_resp {
struct p2p_capability_attr capability;
struct p2p_extended_listen_timing_attr listen_availability;
struct p2p_notice_of_absence_attr notice_of_absence;
struct p2p_device_info_attr device_info;
struct l_queue *group_clients;
struct l_queue *advertised_svcs;
};
struct p2p_association_req {
struct p2p_capability_attr capability;
struct p2p_extended_listen_timing_attr listen_availability;
struct p2p_device_info_attr device_info;
struct p2p_interface_attr interface;
};
struct p2p_association_resp {
enum p2p_attr_status_code status;
struct p2p_extended_listen_timing_attr listen_availability;
};
struct p2p_deauthentication {
uint8_t minor_reason_code;
};
struct p2p_disassociation {
uint8_t minor_reason_code;
};
struct p2p_go_negotiation_req {
uint8_t dialog_token;
struct p2p_capability_attr capability;
uint8_t go_intent;
bool go_tie_breaker;
struct p2p_config_timeout_attr config_timeout;
struct p2p_channel_attr listen_channel;
struct p2p_extended_listen_timing_attr listen_availability;
uint8_t intended_interface_addr[6];
struct p2p_channel_list_attr channel_list;
struct p2p_device_info_attr device_info;
struct p2p_channel_attr operating_channel;
enum wsc_device_password_id device_password_id;
};
struct p2p_go_negotiation_resp {
uint8_t dialog_token;
enum p2p_attr_status_code status;
struct p2p_capability_attr capability;
uint8_t go_intent;
bool go_tie_breaker;
struct p2p_config_timeout_attr config_timeout;
struct p2p_channel_attr operating_channel;
uint8_t intended_interface_addr[6];
struct p2p_channel_list_attr channel_list;
struct p2p_device_info_attr device_info;
struct p2p_group_id_attr group_id;
enum wsc_device_password_id device_password_id;
};
struct p2p_go_negotiation_confirmation {
uint8_t dialog_token;
enum p2p_attr_status_code status;
struct p2p_capability_attr capability;
struct p2p_channel_attr operating_channel;
struct p2p_channel_list_attr channel_list;
struct p2p_group_id_attr group_id;
};
struct p2p_invitation_req {
uint8_t dialog_token;
struct p2p_config_timeout_attr config_timeout;
bool reinvoke_persistent_group;
struct p2p_channel_attr operating_channel;
uint8_t group_bssid[6];
struct p2p_channel_list_attr channel_list;
struct p2p_group_id_attr group_id;
struct p2p_device_info_attr device_info;
enum wsc_device_password_id device_password_id;
};
struct p2p_invitation_resp {
uint8_t dialog_token;
enum p2p_attr_status_code status;
struct p2p_config_timeout_attr config_timeout;
struct p2p_channel_attr operating_channel;
uint8_t group_bssid[6];
struct p2p_channel_list_attr channel_list;
};
struct p2p_device_discoverability_req {
uint8_t dialog_token;
uint8_t device_addr[6];
struct p2p_group_id_attr group_id;
};
struct p2p_device_discoverability_resp {
uint8_t dialog_token;
enum p2p_attr_status_code status;
};
struct p2p_provision_discovery_req {
uint8_t dialog_token;
struct p2p_capability_attr capability;
struct p2p_device_info_attr device_info;
struct p2p_group_id_attr group_id;
uint8_t intended_interface_addr[6];
enum p2p_attr_status_code status;
struct p2p_channel_attr operating_channel;
struct p2p_channel_list_attr channel_list;
struct p2p_session_info_data_attr session_info;
uint8_t connection_capability;
struct p2p_advertisement_id_info_attr advertisement_id;
struct p2p_config_timeout_attr config_timeout;
struct p2p_channel_attr listen_channel;
struct p2p_session_id_info_attr session_id;
enum p2p_asp_coordination_transport_protocol transport_protocol;
struct p2p_group_id_attr persistent_group_info;
uint16_t wsc_config_method;
};
struct p2p_provision_discovery_resp {
uint8_t dialog_token;
enum p2p_attr_status_code status;
struct p2p_capability_attr capability;
struct p2p_device_info_attr device_info;
struct p2p_group_id_attr group_id;
uint8_t intended_interface_addr[6];
struct p2p_channel_attr operating_channel;
struct p2p_channel_list_attr channel_list;
uint8_t connection_capability;
struct p2p_advertisement_id_info_attr advertisement_id;
struct p2p_config_timeout_attr config_timeout;
struct p2p_session_id_info_attr session_id;
enum p2p_asp_coordination_transport_protocol transport_protocol;
struct p2p_group_id_attr persistent_group_info;
struct p2p_session_info_data_attr session_info;
uint16_t wsc_config_method;
};
struct p2p_notice_of_absence {
struct p2p_notice_of_absence_attr notice_of_absence;
};
struct p2p_presence_req {
uint8_t dialog_token;
struct p2p_notice_of_absence_attr notice_of_absence;
};
struct p2p_presence_resp {
uint8_t dialog_token;
enum p2p_attr_status_code status;
struct p2p_notice_of_absence_attr notice_of_absence;
};
void p2p_free_beacon(struct p2p_beacon *data);
void p2p_free_probe_req(struct p2p_probe_req *data);
void p2p_free_probe_resp(struct p2p_probe_resp *data);
void p2p_free_association_req(struct p2p_association_req *data);
void p2p_free_association_resp(struct p2p_association_resp *data);
void p2p_free_go_negotiation_req(struct p2p_go_negotiation_req *data);
void p2p_free_go_negotiation_resp(struct p2p_go_negotiation_resp *data);
void p2p_free_go_negotiation_confirmation(
struct p2p_go_negotiation_confirmation *data);
void p2p_free_invitation_req(struct p2p_invitation_req *data);
void p2p_free_invitation_resp(struct p2p_invitation_resp *data);
void p2p_free_provision_disc_req(struct p2p_provision_discovery_req *data);
void p2p_free_provision_disc_resp(struct p2p_provision_discovery_resp *data);
void p2p_free_notice_of_absence(struct p2p_notice_of_absence *data);
void p2p_free_presence_req(struct p2p_presence_req *data);
void p2p_free_presence_resp(struct p2p_presence_resp *data);