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vb@883
|
1 |
// Send Actions for DeviceState state machine
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|
vb@883
|
2 |
|
|
vb@883
|
3 |
#include <assert.h>
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|
vb@883
|
4 |
#include "pEp_internal.h"
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|
vb@883
|
5 |
#include "keymanagement.h"
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|
vb@883
|
6 |
#include "message.h"
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|
vb@883
|
7 |
#include "sync_fsm.h"
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|
vb@883
|
8 |
#include "baseprotocol.h"
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|
vb@883
|
9 |
#include "map_asn1.h"
|
|
vb@985
|
10 |
#include "../asn.1/DeviceGroup-Protocol.h"
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|
vb@1047
|
11 |
#include "sync_impl.h"
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|
vb@883
|
12 |
#include "../asn.1/Beacon.h"
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|
vb@883
|
13 |
#include "../asn.1/HandshakeRequest.h"
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|
vb@883
|
14 |
#include "../asn.1/GroupKeys.h"
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|
vb@883
|
15 |
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vb@883
|
16 |
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vb@883
|
17 |
// sendBeacon() - send Beacon message
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|
vb@883
|
18 |
//
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vb@883
|
19 |
// params:
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|
vb@883
|
20 |
// session (in) session handle
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|
vb@883
|
21 |
// state (in) state the state machine is in
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vb@883
|
22 |
// partner (in) (must be NULL)
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|
vb@883
|
23 |
//
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|
vb@883
|
24 |
// returns:
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|
vb@883
|
25 |
// PEP_STATUS_OK or any other value on error
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|
vb@883
|
26 |
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|
vb@883
|
27 |
PEP_STATUS sendBeacon(
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vb@883
|
28 |
PEP_SESSION session,
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|
vb@883
|
29 |
DeviceState_state state,
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vb@939
|
30 |
Identity partner,
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vb@939
|
31 |
void *extra
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vb@883
|
32 |
)
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vb@883
|
33 |
{
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|
vb@883
|
34 |
PEP_STATUS status = PEP_STATUS_OK;
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vb@883
|
35 |
Beacon_t *msg = NULL;
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|
vb@883
|
36 |
char *payload = NULL;
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vb@883
|
37 |
message *_message = NULL;
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vb@883
|
38 |
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vb@883
|
39 |
assert(session);
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vb@883
|
40 |
assert(!partner);
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vb@883
|
41 |
if (!(session && !partner))
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vb@883
|
42 |
return PEP_ILLEGAL_VALUE;
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vb@883
|
43 |
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vb@883
|
44 |
assert(session->messageToSend);
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vb@951
|
45 |
if (!session->messageToSend) {
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vb@951
|
46 |
status = PEP_SEND_FUNCTION_NOT_REGISTERED;
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vb@951
|
47 |
goto error;
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vb@951
|
48 |
}
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vb@883
|
49 |
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vb@883
|
50 |
msg = (Beacon_t *) calloc(1, sizeof(Beacon_t));
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vb@883
|
51 |
assert(msg);
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vb@883
|
52 |
if (!msg)
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vb@883
|
53 |
goto enomem;
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vb@883
|
54 |
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vb@883
|
55 |
int32_t seq;
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vb@883
|
56 |
status = sequence_value(session, "DeviceGroup", &seq);
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vb@883
|
57 |
if (status != PEP_STATUS_OK)
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vb@883
|
58 |
goto error;
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vb@883
|
59 |
msg->header.sequence = (long) seq;
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vb@883
|
60 |
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vb@951
|
61 |
bool devicegroup = storedGroupKeys(session);
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vb@951
|
62 |
if (devicegroup) { // default is FALSE
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vb@951
|
63 |
BOOLEAN_t *dg = malloc(sizeof(BOOLEAN_t));
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vb@951
|
64 |
assert(dg);
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vb@951
|
65 |
if (!dg)
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vb@951
|
66 |
goto enomem;
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vb@951
|
67 |
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vb@951
|
68 |
*dg = 1;
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vb@951
|
69 |
msg->header.devicegroup = dg;
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vb@951
|
70 |
}
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vb@951
|
71 |
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vb@951
|
72 |
msg->header.state = (long) state;
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vb@883
|
73 |
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vb@883
|
74 |
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vb@883
|
75 |
if (asn_check_constraints(&asn_DEF_Beacon, msg, NULL, NULL)) {
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vb@883
|
76 |
status = PEP_CONTRAINTS_VIOLATED;
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vb@883
|
77 |
goto error;
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vb@883
|
78 |
}
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vb@883
|
79 |
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vb@883
|
80 |
ssize_t size = uper_encode_to_new_buffer(&asn_DEF_Beacon,
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vb@883
|
81 |
NULL, msg, (void **) &payload);
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vb@883
|
82 |
if (size == -1) {
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vb@883
|
83 |
status = PEP_CANNOT_ENCODE;
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vb@883
|
84 |
goto error;
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vb@883
|
85 |
}
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vb@883
|
86 |
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vb@1047
|
87 |
status = multicast_self_msg(session, msg);
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vb@883
|
88 |
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vb@883
|
89 |
ASN_STRUCT_FREE(asn_DEF_Beacon, msg);
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vb@951
|
90 |
free_identity(partner);
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vb@883
|
91 |
return status;
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vb@883
|
92 |
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vb@883
|
93 |
enomem:
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vb@883
|
94 |
status = PEP_OUT_OF_MEMORY;
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vb@883
|
95 |
error:
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vb@883
|
96 |
ASN_STRUCT_FREE(asn_DEF_Beacon, msg);
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vb@883
|
97 |
free(payload);
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vb@883
|
98 |
free_message(_message);
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vb@955
|
99 |
free_identity(partner);
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vb@883
|
100 |
return status;
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vb@883
|
101 |
}
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vb@883
|
102 |
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vb@883
|
103 |
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vb@883
|
104 |
// sendHandshakeRequest() - send HandshakeRequest message
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vb@883
|
105 |
//
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vb@883
|
106 |
// params:
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vb@883
|
107 |
// session (in) session handle
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vb@883
|
108 |
// state (in) state the state machine is in
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vb@883
|
109 |
// partner (in) partner to communicate with
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vb@883
|
110 |
//
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vb@883
|
111 |
// returns:
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vb@883
|
112 |
// PEP_STATUS_OK or any other value on error
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vb@883
|
113 |
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vb@883
|
114 |
PEP_STATUS sendHandshakeRequest(
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vb@883
|
115 |
PEP_SESSION session,
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vb@883
|
116 |
DeviceState_state state,
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vb@939
|
117 |
Identity partner,
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|
vb@939
|
118 |
void *extra
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vb@883
|
119 |
)
|
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vb@883
|
120 |
{
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vb@883
|
121 |
PEP_STATUS status = PEP_STATUS_OK;
|
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vb@883
|
122 |
HandshakeRequest_t *msg = NULL;
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vb@883
|
123 |
char *payload = NULL;
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vb@883
|
124 |
message *_message = NULL;
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vb@883
|
125 |
pEp_identity *me = NULL;
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vb@883
|
126 |
|
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vb@883
|
127 |
assert(session);
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vb@883
|
128 |
assert(partner);
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vb@883
|
129 |
if (!(session && partner))
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vb@883
|
130 |
return PEP_ILLEGAL_VALUE;
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vb@883
|
131 |
|
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vb@883
|
132 |
assert(session->messageToSend);
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vb@951
|
133 |
if (!session->messageToSend) {
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vb@951
|
134 |
status = PEP_SEND_FUNCTION_NOT_REGISTERED;
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vb@951
|
135 |
goto error;
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vb@951
|
136 |
}
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vb@883
|
137 |
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vb@883
|
138 |
msg = (HandshakeRequest_t *) calloc(1, sizeof(HandshakeRequest_t));
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vb@883
|
139 |
assert(msg);
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vb@883
|
140 |
if (!msg)
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vb@883
|
141 |
goto enomem;
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vb@883
|
142 |
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vb@883
|
143 |
int32_t seq;
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vb@883
|
144 |
status = sequence_value(session, "DeviceGroup", &seq);
|
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vb@883
|
145 |
if (status != PEP_STATUS_OK)
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vb@883
|
146 |
goto error;
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vb@883
|
147 |
msg->header.sequence = (long) seq;
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vb@883
|
148 |
|
|
vb@951
|
149 |
bool devicegroup = storedGroupKeys(session);
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vb@951
|
150 |
if (devicegroup) { // default is FALSE
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vb@951
|
151 |
BOOLEAN_t *dg = malloc(sizeof(BOOLEAN_t));
|
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vb@951
|
152 |
assert(dg);
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vb@951
|
153 |
if (!dg)
|
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vb@951
|
154 |
goto enomem;
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vb@951
|
155 |
|
|
vb@951
|
156 |
*dg = 1;
|
|
vb@951
|
157 |
msg->header.devicegroup = dg;
|
|
vb@951
|
158 |
}
|
|
vb@951
|
159 |
|
|
vb@951
|
160 |
msg->header.state = (long) state;
|
|
vb@883
|
161 |
|
|
vb@1047
|
162 |
me = new_identity(partner->address, NULL, PEP_OWN_USERID, NULL);
|
|
vb@883
|
163 |
if (!me)
|
|
vb@883
|
164 |
goto enomem;
|
|
vb@883
|
165 |
status = myself(session, me);
|
|
vb@883
|
166 |
if (status != PEP_STATUS_OK)
|
|
vb@883
|
167 |
goto error;
|
|
vb@951
|
168 |
if (Identity_from_Struct(me, &msg->header.me) == NULL)
|
|
vb@883
|
169 |
goto enomem;
|
|
vb@883
|
170 |
|
|
vb@883
|
171 |
if (asn_check_constraints(&asn_DEF_HandshakeRequest, msg, NULL, NULL)) {
|
|
vb@883
|
172 |
status = PEP_CONTRAINTS_VIOLATED;
|
|
vb@883
|
173 |
goto error;
|
|
vb@883
|
174 |
}
|
|
vb@883
|
175 |
|
|
vb@883
|
176 |
ssize_t size = uper_encode_to_new_buffer(&asn_DEF_HandshakeRequest,
|
|
vb@883
|
177 |
NULL, msg, (void **) &payload);
|
|
vb@883
|
178 |
if (size == -1) {
|
|
vb@883
|
179 |
status = PEP_CANNOT_ENCODE;
|
|
vb@883
|
180 |
goto error;
|
|
vb@883
|
181 |
}
|
|
vb@883
|
182 |
|
|
vb@883
|
183 |
status = prepare_message(me, partner, payload, size, &_message);
|
|
vb@883
|
184 |
if (status != PEP_STATUS_OK)
|
|
vb@883
|
185 |
goto error;
|
|
vb@883
|
186 |
payload = NULL;
|
|
vb@883
|
187 |
|
|
vb@883
|
188 |
free_identity(me);
|
|
vb@883
|
189 |
me = NULL;
|
|
vb@883
|
190 |
|
|
vb@883
|
191 |
status = session->messageToSend(session->sync_obj, _message);
|
|
vb@883
|
192 |
|
|
vb@883
|
193 |
ASN_STRUCT_FREE(asn_DEF_HandshakeRequest, msg);
|
|
vb@951
|
194 |
free_identity(partner);
|
|
vb@883
|
195 |
return status;
|
|
vb@883
|
196 |
|
|
vb@883
|
197 |
enomem:
|
|
vb@883
|
198 |
status = PEP_OUT_OF_MEMORY;
|
|
vb@883
|
199 |
error:
|
|
vb@883
|
200 |
ASN_STRUCT_FREE(asn_DEF_HandshakeRequest, msg);
|
|
vb@883
|
201 |
free(payload);
|
|
vb@883
|
202 |
free_message(_message);
|
|
vb@883
|
203 |
free_identity(me);
|
|
vb@955
|
204 |
free_identity(partner);
|
|
vb@883
|
205 |
return status;
|
|
vb@883
|
206 |
}
|
|
vb@883
|
207 |
|
|
vb@883
|
208 |
|
|
vb@883
|
209 |
// sendGroupKeys() - send GroupKeys message
|
|
vb@883
|
210 |
//
|
|
vb@883
|
211 |
// params:
|
|
vb@883
|
212 |
// session (in) session handle
|
|
vb@883
|
213 |
// state (in) state the state machine is in
|
|
vb@883
|
214 |
// partner (in) (must be NULL)
|
|
vb@883
|
215 |
//
|
|
vb@883
|
216 |
// returns:
|
|
vb@883
|
217 |
// PEP_STATUS_OK or any other value on error
|
|
vb@883
|
218 |
|
|
vb@883
|
219 |
PEP_STATUS sendGroupKeys(
|
|
vb@883
|
220 |
PEP_SESSION session,
|
|
vb@883
|
221 |
DeviceState_state state,
|
|
vb@939
|
222 |
Identity partner,
|
|
vb@939
|
223 |
void *extra
|
|
vb@883
|
224 |
)
|
|
vb@883
|
225 |
{
|
|
vb@883
|
226 |
PEP_STATUS status = PEP_STATUS_OK;
|
|
vb@883
|
227 |
GroupKeys_t *msg = NULL;
|
|
vb@883
|
228 |
char *payload = NULL;
|
|
vb@883
|
229 |
message *_message = NULL;
|
|
vb@883
|
230 |
pEp_identity *me = NULL;
|
|
vb@955
|
231 |
identity_list *kl = NULL;
|
|
vb@883
|
232 |
|
|
vb@883
|
233 |
assert(session);
|
|
vb@883
|
234 |
assert(!partner);
|
|
vb@883
|
235 |
if (!(session && !partner))
|
|
vb@883
|
236 |
return PEP_ILLEGAL_VALUE;
|
|
vb@883
|
237 |
|
|
vb@883
|
238 |
assert(session->messageToSend);
|
|
vb@951
|
239 |
if (!session->messageToSend) {
|
|
vb@951
|
240 |
status = PEP_SEND_FUNCTION_NOT_REGISTERED;
|
|
vb@951
|
241 |
goto error;
|
|
vb@951
|
242 |
}
|
|
vb@883
|
243 |
|
|
vb@883
|
244 |
msg = (GroupKeys_t *) calloc(1, sizeof(GroupKeys_t));
|
|
vb@883
|
245 |
assert(msg);
|
|
vb@883
|
246 |
if (!msg)
|
|
vb@883
|
247 |
goto enomem;
|
|
vb@883
|
248 |
|
|
vb@883
|
249 |
int32_t seq;
|
|
vb@883
|
250 |
status = sequence_value(session, "DeviceGroup", &seq);
|
|
vb@883
|
251 |
if (status != PEP_STATUS_OK)
|
|
vb@883
|
252 |
goto error;
|
|
vb@883
|
253 |
msg->header.sequence = (long) seq;
|
|
vb@883
|
254 |
|
|
vb@951
|
255 |
bool devicegroup = storedGroupKeys(session);
|
|
vb@951
|
256 |
if (devicegroup) { // default is FALSE
|
|
vb@951
|
257 |
BOOLEAN_t *dg = malloc(sizeof(BOOLEAN_t));
|
|
vb@951
|
258 |
assert(dg);
|
|
vb@951
|
259 |
if (!dg)
|
|
vb@951
|
260 |
goto enomem;
|
|
vb@951
|
261 |
|
|
vb@951
|
262 |
*dg = 1;
|
|
vb@951
|
263 |
msg->header.devicegroup = dg;
|
|
vb@951
|
264 |
}
|
|
vb@951
|
265 |
|
|
vb@951
|
266 |
msg->header.state = (long) state;
|
|
vb@883
|
267 |
|
|
vb@1047
|
268 |
me = new_identity(partner->address, NULL, PEP_OWN_USERID, NULL);
|
|
vb@883
|
269 |
if (!me)
|
|
vb@883
|
270 |
goto enomem;
|
|
vb@883
|
271 |
status = myself(session, me);
|
|
vb@883
|
272 |
if (status != PEP_STATUS_OK)
|
|
vb@883
|
273 |
goto error;
|
|
vb@951
|
274 |
if (Identity_from_Struct(me, &msg->header.me) == NULL)
|
|
vb@883
|
275 |
goto enomem;
|
|
vb@883
|
276 |
|
|
vb@955
|
277 |
status = own_identities_retrieve(session, &kl);
|
|
vb@955
|
278 |
if (status != PEP_STATUS_OK)
|
|
vb@955
|
279 |
goto error;
|
|
vb@955
|
280 |
if (IdentityList_from_identity_list(kl, &msg->ownIdentities) == NULL)
|
|
vb@955
|
281 |
goto enomem;
|
|
vb@955
|
282 |
|
|
vb@883
|
283 |
if (asn_check_constraints(&asn_DEF_GroupKeys, msg, NULL, NULL)) {
|
|
vb@883
|
284 |
status = PEP_CONTRAINTS_VIOLATED;
|
|
vb@883
|
285 |
goto error;
|
|
vb@883
|
286 |
}
|
|
vb@883
|
287 |
|
|
vb@883
|
288 |
ssize_t size = uper_encode_to_new_buffer(&asn_DEF_GroupKeys,
|
|
vb@883
|
289 |
NULL, msg, (void **) &payload);
|
|
vb@883
|
290 |
if (size == -1) {
|
|
vb@883
|
291 |
status = PEP_CANNOT_ENCODE;
|
|
vb@883
|
292 |
goto error;
|
|
vb@883
|
293 |
}
|
|
vb@883
|
294 |
|
|
vb@883
|
295 |
status = prepare_message(me, partner, payload, size, &_message);
|
|
vb@883
|
296 |
if (status != PEP_STATUS_OK)
|
|
vb@883
|
297 |
goto error;
|
|
vb@883
|
298 |
payload = NULL;
|
|
vb@883
|
299 |
|
|
vb@883
|
300 |
free_identity(me);
|
|
vb@883
|
301 |
me = NULL;
|
|
vb@883
|
302 |
|
|
vb@883
|
303 |
status = session->messageToSend(session->sync_obj, _message);
|
|
vb@883
|
304 |
|
|
vb@883
|
305 |
ASN_STRUCT_FREE(asn_DEF_GroupKeys, msg);
|
|
vb@951
|
306 |
free_identity(partner);
|
|
vb@955
|
307 |
free_identity_list(kl);
|
|
vb@883
|
308 |
return status;
|
|
vb@883
|
309 |
|
|
vb@883
|
310 |
enomem:
|
|
vb@883
|
311 |
status = PEP_OUT_OF_MEMORY;
|
|
vb@883
|
312 |
error:
|
|
vb@883
|
313 |
ASN_STRUCT_FREE(asn_DEF_GroupKeys, msg);
|
|
vb@883
|
314 |
free(payload);
|
|
vb@883
|
315 |
free_message(_message);
|
|
vb@883
|
316 |
free_identity(me);
|
|
vb@955
|
317 |
free_identity(partner);
|
|
vb@955
|
318 |
free_identity_list(kl);
|
|
vb@883
|
319 |
return status;
|
|
vb@883
|
320 |
}
|
|
vb@883
|
321 |
|