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vb@1476
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1 |
#include "pEp_internal.h"
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edouard@1467
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2 |
#include "sync_fsm.h"
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edouard@1467
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3 |
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edouard@1467
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4 |
// state machine for DeviceState
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5 |
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6 |
DeviceState_state fsm_DeviceState(
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7 |
PEP_SESSION session,
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8 |
DeviceState_state state,
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9 |
DeviceState_event event,
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10 |
Identity partner,
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11 |
void *extra,
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12 |
time_t *timeout
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13 |
)
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14 |
{
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15 |
int cond_result;
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edouard@1467
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16 |
PEP_STATUS status = PEP_STATUS_OK;
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edouard@1467
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17 |
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edouard@1467
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18 |
switch (state) {
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edouard@1467
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19 |
case InitState:
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edouard@1467
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20 |
{
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edouard@1467
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21 |
*timeout = 0;
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edouard@1467
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22 |
switch (event) {
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edouard@1467
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23 |
case Init:
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edouard@1467
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24 |
{
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edouard@1467
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25 |
cond_result = storedGroupKeys(session);
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edouard@1467
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26 |
if (cond_result < 0)
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27 |
return cond_result;
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edouard@1467
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28 |
if (cond_result) {
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edouard@1467
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29 |
return Grouped;
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edouard@1467
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30 |
}
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edouard@1467
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31 |
return Sole;
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edouard@1467
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32 |
}
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edouard@1467
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33 |
default:
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edouard@1467
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34 |
return (DeviceState_state) invalid_event;
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edouard@1467
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35 |
}
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edouard@1467
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36 |
break;
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edouard@1467
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37 |
}
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edouard@1467
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38 |
case Sole:
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edouard@1467
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39 |
{
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40 |
*timeout = 0;
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edouard@1467
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41 |
switch (event) {
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edouard@1467
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42 |
case Init: break;
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edouard@1467
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43 |
case KeyGen:
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edouard@1467
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44 |
{
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edouard@1467
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45 |
status = sendBeacon(session, state, NULL, NULL);
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edouard@1467
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46 |
if (status == PEP_OUT_OF_MEMORY)
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47 |
return (int) invalid_out_of_memory;
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48 |
if (status != PEP_STATUS_OK)
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49 |
return (int) invalid_action;
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edouard@1467
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break;
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edouard@1467
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51 |
}
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edouard@1467
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52 |
case CannotDecrypt:
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edouard@1467
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53 |
{
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edouard@1467
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54 |
status = sendBeacon(session, state, NULL, NULL);
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55 |
if (status == PEP_OUT_OF_MEMORY)
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56 |
return (int) invalid_out_of_memory;
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57 |
if (status != PEP_STATUS_OK)
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58 |
return (int) invalid_action;
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edouard@1467
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59 |
break;
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edouard@1467
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60 |
}
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edouard@1467
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61 |
case Beacon:
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edouard@1467
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{
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edouard@1467
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status = sendHandshakeRequest(session, state, partner, NULL);
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edouard@1467
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64 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
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return (int) invalid_out_of_memory;
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66 |
if (status != PEP_STATUS_OK)
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return (int) invalid_action;
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edouard@1467
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break;
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edouard@1467
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69 |
}
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edouard@1467
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70 |
case HandshakeRequest:
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edouard@1467
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71 |
{
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edouard@1467
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status = sendHandshakeRequest(session, state, partner, NULL);
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73 |
if (status == PEP_OUT_OF_MEMORY)
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return (int) invalid_out_of_memory;
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if (status != PEP_STATUS_OK)
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return (int) invalid_action;
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77 |
session->sync_state_payload = identity_dup(partner);
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edouard@1467
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return HandshakingSole;
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79 |
}
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80 |
default:
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edouard@1467
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return (DeviceState_state) invalid_event;
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edouard@1467
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82 |
}
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edouard@1467
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break;
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edouard@1467
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84 |
}
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edouard@1467
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85 |
case HandshakingSole:
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edouard@1467
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86 |
{
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edouard@1467
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Identity expected = (Identity)session->sync_state_payload;
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edouard@1467
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*timeout = 600;
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edouard@1467
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89 |
switch (event) {
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edouard@1467
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90 |
case Init:
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edouard@1467
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91 |
{
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edouard@1477
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92 |
cond_result = keyElectionWon(session, partner);
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edouard@1477
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if (cond_result < 0)
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edouard@1477
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return cond_result;
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edouard@1477
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95 |
if (cond_result) {
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edouard@1477
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status = notifyInitFormGroup(session, state, partner, NULL);
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edouard@1477
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if (status == PEP_OUT_OF_MEMORY)
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edouard@1477
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return (int) invalid_out_of_memory;
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edouard@1477
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if (status != PEP_STATUS_OK)
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edouard@1477
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return (int) invalid_action;
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edouard@1477
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}
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edouard@1477
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else {
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edouard@1477
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status = notifyInitAddOurDevice(session, state, partner, NULL);
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edouard@1477
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if (status == PEP_OUT_OF_MEMORY)
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edouard@1477
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105 |
return (int) invalid_out_of_memory;
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edouard@1477
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106 |
if (status != PEP_STATUS_OK)
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edouard@1477
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return (int) invalid_action;
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edouard@1477
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108 |
}
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edouard@1467
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break;
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edouard@1467
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110 |
}
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edouard@1467
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111 |
case HandshakeRejected:
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edouard@1467
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112 |
{
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edouard@1467
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113 |
status = rejectHandshake(session, state, partner, NULL);
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edouard@1467
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114 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
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115 |
return (int) invalid_out_of_memory;
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edouard@1467
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116 |
if (status != PEP_STATUS_OK)
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edouard@1467
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117 |
return (int) invalid_action;
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edouard@1467
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118 |
if(session->sync_state_payload){
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edouard@1467
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119 |
free_identity((Identity)session->sync_state_payload);
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edouard@1467
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120 |
session->sync_state_payload = NULL;
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edouard@1467
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121 |
}
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edouard@1467
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122 |
return Sole;
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edouard@1467
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123 |
}
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edouard@1467
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124 |
case HandshakeAccepted:
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edouard@1467
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125 |
{
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edouard@1467
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126 |
status = acceptHandshake(session, state, partner, NULL);
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edouard@1467
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127 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
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128 |
return (int) invalid_out_of_memory;
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edouard@1467
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129 |
if (status != PEP_STATUS_OK)
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edouard@1467
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130 |
return (int) invalid_action;
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edouard@1467
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131 |
cond_result = keyElectionWon(session, partner);
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edouard@1467
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132 |
if (cond_result < 0)
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edouard@1467
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133 |
return cond_result;
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edouard@1467
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134 |
if (cond_result) {
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edouard@1467
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135 |
status = sendGroupKeys(session, state, partner, NULL);
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edouard@1467
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136 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
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137 |
return (int) invalid_out_of_memory;
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edouard@1467
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138 |
if (status != PEP_STATUS_OK)
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edouard@1467
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139 |
return (int) invalid_action;
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edouard@1477
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140 |
status = notifyAcceptedGroupCreated(session, state, partner, NULL);
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edouard@1467
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141 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
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142 |
return (int) invalid_out_of_memory;
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edouard@1467
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143 |
if (status != PEP_STATUS_OK)
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edouard@1467
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144 |
return (int) invalid_action;
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edouard@1467
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145 |
if(session->sync_state_payload){
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edouard@1467
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146 |
free_identity((Identity)session->sync_state_payload);
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edouard@1467
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147 |
session->sync_state_payload = NULL;
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edouard@1467
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148 |
}
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edouard@1467
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149 |
return Grouped;
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edouard@1467
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150 |
}
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edouard@1467
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151 |
if(session->sync_state_payload){
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edouard@1467
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152 |
free_identity((Identity)session->sync_state_payload);
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edouard@1467
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153 |
session->sync_state_payload = NULL;
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edouard@1467
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154 |
}
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edouard@1467
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155 |
session->sync_state_payload = identity_dup(partner);
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edouard@1467
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156 |
return WaitForGroupKeysSole;
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edouard@1467
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157 |
}
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edouard@1467
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158 |
case Cancel:
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edouard@1467
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159 |
{
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edouard@1467
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160 |
if(session->sync_state_payload){
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edouard@1467
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161 |
free_identity((Identity)session->sync_state_payload);
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edouard@1467
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162 |
session->sync_state_payload = NULL;
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edouard@1467
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163 |
}
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edouard@1467
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164 |
return Sole;
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edouard@1467
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165 |
}
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edouard@1467
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166 |
case Timeout:
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edouard@1467
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167 |
{
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edouard@1477
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168 |
status = notifyTimeout(session, state, expected, NULL);
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edouard@1467
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169 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
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170 |
return (int) invalid_out_of_memory;
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edouard@1467
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171 |
if (status != PEP_STATUS_OK)
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edouard@1467
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172 |
return (int) invalid_action;
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edouard@1467
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173 |
if(session->sync_state_payload){
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edouard@1467
|
174 |
free_identity((Identity)session->sync_state_payload);
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edouard@1467
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175 |
session->sync_state_payload = NULL;
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edouard@1467
|
176 |
}
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edouard@1467
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177 |
return Sole;
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edouard@1467
|
178 |
}
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edouard@1467
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179 |
default:
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edouard@1467
|
180 |
return (DeviceState_state) invalid_event;
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edouard@1467
|
181 |
}
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edouard@1467
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182 |
break;
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edouard@1467
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183 |
}
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edouard@1467
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184 |
case WaitForGroupKeysSole:
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edouard@1467
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185 |
{
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edouard@1467
|
186 |
Identity expected = (Identity)session->sync_state_payload;
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edouard@1467
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187 |
*timeout = 600;
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edouard@1467
|
188 |
switch (event) {
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edouard@1467
|
189 |
case Init: break;
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edouard@1467
|
190 |
case GroupKeys:
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edouard@1467
|
191 |
{
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edouard@1467
|
192 |
status = storeGroupKeys(session, state, partner, extra /*keys*/);
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edouard@1467
|
193 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
|
194 |
return (int) invalid_out_of_memory;
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edouard@1467
|
195 |
if (status != PEP_STATUS_OK)
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edouard@1467
|
196 |
return (int) invalid_action;
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edouard@1477
|
197 |
status = notifyAcceptedDeviceAdded(session, state, partner, NULL);
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edouard@1467
|
198 |
if (status == PEP_OUT_OF_MEMORY)
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edouard@1467
|
199 |
return (int) invalid_out_of_memory;
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edouard@1467
|
200 |
if (status != PEP_STATUS_OK)
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edouard@1467
|
201 |
return (int) invalid_action;
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edouard@1467
|
202 |
if(session->sync_state_payload){
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edouard@1467
|
203 |
free_identity((Identity)session->sync_state_payload);
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edouard@1467
|
204 |
session->sync_state_payload = NULL;
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edouard@1467
|
205 |
}
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edouard@1467
|
206 |
return Grouped;
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edouard@1467
|
207 |
}
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edouard@1467
|
208 |
case Timeout:
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edouard@1467
|
209 |
{
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edouard@1477
|
210 |
status = notifyTimeout(session, state, expected, NULL);
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edouard@1467
|
211 |
if (status == PEP_OUT_OF_MEMORY)
|
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edouard@1467
|
212 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
213 |
if (status != PEP_STATUS_OK)
|
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edouard@1467
|
214 |
return (int) invalid_action;
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edouard@1467
|
215 |
if(session->sync_state_payload){
|
|
edouard@1467
|
216 |
free_identity((Identity)session->sync_state_payload);
|
|
edouard@1467
|
217 |
session->sync_state_payload = NULL;
|
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edouard@1467
|
218 |
}
|
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edouard@1467
|
219 |
return Sole;
|
|
edouard@1467
|
220 |
}
|
|
edouard@1467
|
221 |
default:
|
|
edouard@1467
|
222 |
return (DeviceState_state) invalid_event;
|
|
edouard@1467
|
223 |
}
|
|
edouard@1467
|
224 |
break;
|
|
edouard@1467
|
225 |
}
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|
edouard@1467
|
226 |
case Grouped:
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|
edouard@1467
|
227 |
{
|
|
edouard@1467
|
228 |
*timeout = 0;
|
|
edouard@1467
|
229 |
switch (event) {
|
|
edouard@1467
|
230 |
case Init:
|
|
edouard@1467
|
231 |
{
|
|
edouard@1467
|
232 |
status = enterGroup(session, state, NULL, NULL);
|
|
edouard@1467
|
233 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
234 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
235 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
236 |
return (int) invalid_action;
|
|
edouard@1467
|
237 |
break;
|
|
edouard@1467
|
238 |
}
|
|
edouard@1467
|
239 |
case KeyGen:
|
|
edouard@1467
|
240 |
{
|
|
edouard@1467
|
241 |
status = sendGroupUpdate(session, state, NULL, NULL);
|
|
edouard@1467
|
242 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
243 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
244 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
245 |
return (int) invalid_action;
|
|
edouard@1467
|
246 |
break;
|
|
edouard@1467
|
247 |
}
|
|
edouard@1467
|
248 |
case CannotDecrypt:
|
|
edouard@1467
|
249 |
{
|
|
edouard@1467
|
250 |
status = sendUpdateRequest(session, state, NULL, NULL);
|
|
edouard@1467
|
251 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
252 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
253 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
254 |
return (int) invalid_action;
|
|
edouard@1467
|
255 |
break;
|
|
edouard@1467
|
256 |
}
|
|
edouard@1467
|
257 |
case UpdateRequest:
|
|
edouard@1467
|
258 |
{
|
|
edouard@1467
|
259 |
status = sendGroupUpdate(session, state, NULL, NULL);
|
|
edouard@1467
|
260 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
261 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
262 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
263 |
return (int) invalid_action;
|
|
edouard@1467
|
264 |
break;
|
|
edouard@1467
|
265 |
}
|
|
edouard@1467
|
266 |
case Beacon:
|
|
edouard@1467
|
267 |
{
|
|
edouard@1467
|
268 |
status = sendHandshakeRequest(session, state, partner, NULL);
|
|
edouard@1467
|
269 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
270 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
271 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
272 |
return (int) invalid_action;
|
|
edouard@1467
|
273 |
break;
|
|
edouard@1467
|
274 |
}
|
|
edouard@1467
|
275 |
case HandshakeRequest:
|
|
edouard@1467
|
276 |
{
|
|
edouard@1467
|
277 |
status = sendHandshakeRequest(session, state, partner, NULL);
|
|
edouard@1467
|
278 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
279 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
280 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
281 |
return (int) invalid_action;
|
|
edouard@1467
|
282 |
session->sync_state_payload = identity_dup(partner);
|
|
edouard@1467
|
283 |
return HandshakingGrouped;
|
|
edouard@1467
|
284 |
}
|
|
edouard@1467
|
285 |
case GroupUpdate:
|
|
edouard@1467
|
286 |
{
|
|
edouard@1467
|
287 |
status = storeGroupKeys(session, state, partner, extra /*keys*/);
|
|
edouard@1467
|
288 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
289 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
290 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
291 |
return (int) invalid_action;
|
|
edouard@1467
|
292 |
break;
|
|
edouard@1467
|
293 |
}
|
|
edouard@1467
|
294 |
default:
|
|
edouard@1467
|
295 |
return (DeviceState_state) invalid_event;
|
|
edouard@1467
|
296 |
}
|
|
edouard@1467
|
297 |
break;
|
|
edouard@1467
|
298 |
}
|
|
edouard@1467
|
299 |
case HandshakingGrouped:
|
|
edouard@1467
|
300 |
{
|
|
edouard@1467
|
301 |
Identity expected = (Identity)session->sync_state_payload;
|
|
edouard@1467
|
302 |
*timeout = 600;
|
|
edouard@1467
|
303 |
switch (event) {
|
|
edouard@1467
|
304 |
case Init:
|
|
edouard@1467
|
305 |
{
|
|
edouard@1477
|
306 |
status = notifyInitAddOurDevice(session, state, partner, NULL);
|
|
edouard@1467
|
307 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
308 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
309 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
310 |
return (int) invalid_action;
|
|
edouard@1467
|
311 |
break;
|
|
edouard@1467
|
312 |
}
|
|
edouard@1467
|
313 |
case HandshakeRejected:
|
|
edouard@1467
|
314 |
{
|
|
edouard@1467
|
315 |
status = rejectHandshake(session, state, partner, NULL);
|
|
edouard@1467
|
316 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
317 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
318 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
319 |
return (int) invalid_action;
|
|
edouard@1467
|
320 |
if(session->sync_state_payload){
|
|
edouard@1467
|
321 |
free_identity((Identity)session->sync_state_payload);
|
|
edouard@1467
|
322 |
session->sync_state_payload = NULL;
|
|
edouard@1467
|
323 |
}
|
|
edouard@1467
|
324 |
return Grouped;
|
|
edouard@1467
|
325 |
}
|
|
edouard@1467
|
326 |
case HandshakeAccepted:
|
|
edouard@1467
|
327 |
{
|
|
edouard@1467
|
328 |
status = acceptHandshake(session, state, partner, NULL);
|
|
edouard@1467
|
329 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
330 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
331 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
332 |
return (int) invalid_action;
|
|
edouard@1467
|
333 |
status = sendGroupKeys(session, state, partner, NULL);
|
|
edouard@1467
|
334 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
335 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
336 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
337 |
return (int) invalid_action;
|
|
edouard@1467
|
338 |
if(session->sync_state_payload){
|
|
edouard@1467
|
339 |
free_identity((Identity)session->sync_state_payload);
|
|
edouard@1467
|
340 |
session->sync_state_payload = NULL;
|
|
edouard@1467
|
341 |
}
|
|
edouard@1467
|
342 |
return Grouped;
|
|
edouard@1467
|
343 |
}
|
|
edouard@1467
|
344 |
case Timeout:
|
|
edouard@1467
|
345 |
{
|
|
edouard@1477
|
346 |
status = notifyTimeout(session, state, expected, NULL);
|
|
edouard@1467
|
347 |
if (status == PEP_OUT_OF_MEMORY)
|
|
edouard@1467
|
348 |
return (int) invalid_out_of_memory;
|
|
edouard@1467
|
349 |
if (status != PEP_STATUS_OK)
|
|
edouard@1467
|
350 |
return (int) invalid_action;
|
|
edouard@1467
|
351 |
if(session->sync_state_payload){
|
|
edouard@1467
|
352 |
free_identity((Identity)session->sync_state_payload);
|
|
edouard@1467
|
353 |
session->sync_state_payload = NULL;
|
|
edouard@1467
|
354 |
}
|
|
edouard@1467
|
355 |
return Grouped;
|
|
edouard@1467
|
356 |
}
|
|
edouard@1467
|
357 |
default:
|
|
edouard@1467
|
358 |
return (DeviceState_state) invalid_event;
|
|
edouard@1467
|
359 |
}
|
|
edouard@1467
|
360 |
break;
|
|
edouard@1467
|
361 |
}
|
|
edouard@1467
|
362 |
default:
|
|
edouard@1467
|
363 |
return (DeviceState_state) invalid_state;
|
|
edouard@1467
|
364 |
}
|
|
edouard@1467
|
365 |
|
|
edouard@1467
|
366 |
return state;
|
|
edouard@1467
|
367 |
}
|
|
edouard@1467
|
368 |
|