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257 lines
6.4 KiB
257 lines
6.4 KiB
// Send Actions for DeviceState state machine
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#include <assert.h>
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#include "pEp_internal.h"
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#include "keymanagement.h"
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#include "message.h"
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#include "sync_fsm.h"
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#include "baseprotocol.h"
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#include "map_asn1.h"
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#include "../asn.1/DeviceGroup-Protocol.h"
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#include "sync_impl.h"
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#include "../asn.1/Beacon.h"
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#include "../asn.1/HandshakeRequest.h"
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#include "../asn.1/GroupKeys.h"
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#include "../asn.1/GroupUpdate.h"
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#include "../asn.1/UpdateRequest.h"
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// sendBeacon() - send Beacon message
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//
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// params:
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// session (in) session handle
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// state (in) state the state machine is in
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// partner (in) (must be NULL)
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//
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// returns:
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// PEP_STATUS_OK or any other value on error
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PEP_STATUS sendBeacon(
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PEP_SESSION session,
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DeviceState_state state,
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Identity partner,
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void *extra
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)
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{
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assert(session && state);
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if (!(session && state))
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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DeviceGroup_Protocol_t *msg = new_DeviceGroup_Protocol_msg(DeviceGroup_Protocol__payload_PR_beacon);
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if (!msg)
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goto enomem;
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bool encrypted = false;
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status = multicast_self_msg(session, state, msg, encrypted);
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if (status != PEP_STATUS_OK)
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goto error;
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free_DeviceGroup_Protocol_msg(msg);
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return PEP_STATUS_OK;
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enomem:
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status = PEP_OUT_OF_MEMORY;
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error:
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free_DeviceGroup_Protocol_msg(msg);
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return status;
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}
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// sendHandshakeRequest() - send HandshakeRequest message
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//
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// params:
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// session (in) session handle
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// state (in) state the state machine is in
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// partner (in) partner to communicate with
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//
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// returns:
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// PEP_STATUS_OK or any other value on error
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PEP_STATUS sendHandshakeRequest(
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PEP_SESSION session,
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DeviceState_state state,
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Identity partner,
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void *extra
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)
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{
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assert(session && state);
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if (!(session && state))
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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DeviceGroup_Protocol_t *msg = new_DeviceGroup_Protocol_msg(DeviceGroup_Protocol__payload_PR_handshakeRequest);
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if (!msg)
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goto enomem;
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if (Identity_from_Struct(partner,
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&msg->payload.choice.handshakeRequest.partner) == NULL)
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goto enomem;
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bool encrypted = true;
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status = unicast_msg(session, partner, state, msg, encrypted);
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if (status != PEP_STATUS_OK)
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goto error;
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free_DeviceGroup_Protocol_msg(msg);
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return PEP_STATUS_OK;
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enomem:
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status = PEP_OUT_OF_MEMORY;
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error:
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free_DeviceGroup_Protocol_msg(msg);
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return status;
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}
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// sendGroupKeys() - send GroupKeys message
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//
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// params:
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// session (in) session handle
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// state (in) state the state machine is in
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// partner (in) partner to communicate with
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//
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// returns:
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// PEP_STATUS_OK or any other value on error
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PEP_STATUS sendGroupKeys(
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PEP_SESSION session,
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DeviceState_state state,
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Identity partner,
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void *extra
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)
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{
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assert(session && state);
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if (!(session && state))
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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identity_list *kl = new_identity_list(NULL);
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DeviceGroup_Protocol_t *msg = new_DeviceGroup_Protocol_msg(DeviceGroup_Protocol__payload_PR_groupKeys);
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if (!msg)
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goto enomem;
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status = _own_identities_retrieve(session, &kl, PEP_idf_not_for_sync);
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if (status != PEP_STATUS_OK)
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goto error;
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if (IdentityList_from_identity_list(kl, &msg->payload.choice.groupKeys.ownIdentities) == NULL)
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goto enomem;
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if (Identity_from_Struct(partner,
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&msg->payload.choice.groupKeys.partner) == NULL)
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goto enomem;
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bool encrypted = true;
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status = unicast_msg(session, partner, state, msg, encrypted);
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if (status != PEP_STATUS_OK)
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goto error;
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free_identity_list(kl);
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free_DeviceGroup_Protocol_msg(msg);
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return PEP_STATUS_OK;
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enomem:
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status = PEP_OUT_OF_MEMORY;
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error:
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free_DeviceGroup_Protocol_msg(msg);
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free_identity_list(kl);
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return status;
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}
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// sendGroupUpdate() - send GroupUpdate message
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//
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// params:
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// session (in) session handle
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// state (in) state the state machine is in
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// partner (in) (must be NULL)
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//
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// returns:
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// PEP_STATUS_OK or any other value on error
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PEP_STATUS sendGroupUpdate(
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PEP_SESSION session,
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DeviceState_state state,
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Identity partner,
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void *extra
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)
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{
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assert(session && state);
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if (!(session && state))
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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identity_list *kl = new_identity_list(NULL);
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DeviceGroup_Protocol_t *msg = new_DeviceGroup_Protocol_msg(DeviceGroup_Protocol__payload_PR_groupUpdate);
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if (!msg)
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goto enomem;
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status = _own_identities_retrieve(session, &kl, PEP_idf_not_for_sync);
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if (status != PEP_STATUS_OK)
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goto error;
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if (IdentityList_from_identity_list(kl, &msg->payload.choice.groupUpdate.ownIdentities) == NULL)
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goto enomem;
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bool encrypted = true;
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status = multicast_self_msg(session, state, msg, encrypted);
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if (status != PEP_STATUS_OK)
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goto error;
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free_identity_list(kl);
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free_DeviceGroup_Protocol_msg(msg);
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return PEP_STATUS_OK;
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enomem:
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status = PEP_OUT_OF_MEMORY;
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error:
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free_DeviceGroup_Protocol_msg(msg);
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return status;
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}
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// sendUpdateRequest() - send UpdateRequest message
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//
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// params:
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// session (in) session handle
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// state (in) state the state machine is in
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// partner (in) (must be NULL)
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//
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// returns:
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// PEP_STATUS_OK or any other value on error
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PEP_STATUS sendUpdateRequest(
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PEP_SESSION session,
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DeviceState_state state,
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Identity partner,
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void *extra
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)
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{
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assert(session && state);
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if (!(session && state))
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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DeviceGroup_Protocol_t *msg = new_DeviceGroup_Protocol_msg(DeviceGroup_Protocol__payload_PR_updateRequest);
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if (!msg)
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goto enomem;
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bool encrypted = true;
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status = multicast_self_msg(session, state, msg, encrypted);
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if (status != PEP_STATUS_OK)
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goto error;
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free_DeviceGroup_Protocol_msg(msg);
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return PEP_STATUS_OK;
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enomem:
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status = PEP_OUT_OF_MEMORY;
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error:
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free_DeviceGroup_Protocol_msg(msg);
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return status;
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}
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