vb@130
|
1 |
#include "platform.h"
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vb@0
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2 |
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vb@0
|
3 |
#include <string.h>
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vb@0
|
4 |
#include <stdio.h>
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vb@0
|
5 |
#include <stdlib.h>
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vb@0
|
6 |
#include <assert.h>
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vb@0
|
7 |
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vb@217
|
8 |
#include "pEp_internal.h"
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vb@0
|
9 |
#include "keymanagement.h"
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vb@0
|
10 |
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vb@0
|
11 |
#ifndef MIN
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vb@0
|
12 |
#define MIN(A, B) ((B) > (A) ? (A) : (B))
|
vb@0
|
13 |
#endif
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vb@0
|
14 |
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vb@8
|
15 |
#ifndef EMPTY
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vb@8
|
16 |
#define EMPTY(STR) ((STR == NULL) || (STR)[0] == 0)
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vb@8
|
17 |
#endif
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vb@8
|
18 |
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vb@214
|
19 |
#define KEY_EXPIRE_DELTA (60 * 60 * 24 * 365)
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vb@214
|
20 |
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vb@0
|
21 |
DYNAMIC_API PEP_STATUS update_identity(
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vb@0
|
22 |
PEP_SESSION session, pEp_identity * identity
|
vb@0
|
23 |
)
|
vb@0
|
24 |
{
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vb@0
|
25 |
pEp_identity *stored_identity;
|
vb@0
|
26 |
PEP_STATUS status;
|
vb@0
|
27 |
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vb@0
|
28 |
assert(session);
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vb@0
|
29 |
assert(identity);
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vb@21
|
30 |
assert(!EMPTY(identity->address));
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vb@0
|
31 |
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vb@191
|
32 |
if (!(session && identity && !EMPTY(identity->address)))
|
vb@191
|
33 |
return PEP_ILLEGAL_VALUE;
|
vb@191
|
34 |
|
vb@0
|
35 |
status = get_identity(session, identity->address, &stored_identity);
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vb@0
|
36 |
assert(status != PEP_OUT_OF_MEMORY);
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vb@0
|
37 |
if (status == PEP_OUT_OF_MEMORY)
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vb@0
|
38 |
return PEP_OUT_OF_MEMORY;
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vb@0
|
39 |
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vb@14
|
40 |
if (stored_identity) {
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vb@14
|
41 |
PEP_comm_type _comm_type_key;
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vb@14
|
42 |
status = get_key_rating(session, stored_identity->fpr, &_comm_type_key);
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vb@14
|
43 |
assert(status != PEP_OUT_OF_MEMORY);
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vb@14
|
44 |
if (status == PEP_OUT_OF_MEMORY)
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vb@14
|
45 |
return PEP_OUT_OF_MEMORY;
|
vb@10
|
46 |
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vb@22
|
47 |
if (EMPTY(identity->user_id)) {
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vb@22
|
48 |
free(identity->user_id);
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vb@22
|
49 |
identity->user_id = strdup(stored_identity->user_id);
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vb@22
|
50 |
if (identity->user_id == NULL)
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vb@22
|
51 |
return PEP_OUT_OF_MEMORY;
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vb@22
|
52 |
identity->user_id_size = stored_identity->user_id_size;
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vb@22
|
53 |
}
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vb@22
|
54 |
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vb@22
|
55 |
if (EMPTY(identity->username)) {
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vb@22
|
56 |
free(identity->username);
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vb@22
|
57 |
identity->username = strdup(stored_identity->username);
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vb@22
|
58 |
if (identity->username == NULL)
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vb@22
|
59 |
return PEP_OUT_OF_MEMORY;
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vb@22
|
60 |
identity->username_size = stored_identity->username_size;
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vb@22
|
61 |
}
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vb@22
|
62 |
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vb@8
|
63 |
if (EMPTY(identity->fpr)) {
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vb@8
|
64 |
identity->fpr = strdup(stored_identity->fpr);
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vb@8
|
65 |
assert(identity->fpr);
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vb@8
|
66 |
if (identity->fpr == NULL)
|
vb@8
|
67 |
return PEP_OUT_OF_MEMORY;
|
Edouard@406
|
68 |
identity->fpr_size = stored_identity->fpr_size;
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vb@14
|
69 |
if (_comm_type_key < PEP_ct_unconfirmed_encryption) {
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vb@14
|
70 |
identity->comm_type = _comm_type_key;
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vb@14
|
71 |
}
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vb@14
|
72 |
else {
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vb@14
|
73 |
identity->comm_type = stored_identity->comm_type;
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vb@14
|
74 |
}
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vb@8
|
75 |
}
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vb@8
|
76 |
else /* !EMPTY(identity->fpr) */ {
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vb@14
|
77 |
if (_comm_type_key != PEP_ct_unknown) {
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vb@14
|
78 |
if (_comm_type_key < PEP_ct_unconfirmed_encryption) {
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vb@14
|
79 |
identity->comm_type = _comm_type_key;
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vb@14
|
80 |
}
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vb@14
|
81 |
else if (identity->comm_type == PEP_ct_unknown) {
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vb@8
|
82 |
if (strcmp(identity->fpr, stored_identity->fpr) == 0) {
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vb@8
|
83 |
identity->comm_type = stored_identity->comm_type;
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vb@8
|
84 |
}
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vb@8
|
85 |
else {
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vb@8
|
86 |
status = get_trust(session, identity);
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vb@8
|
87 |
assert(status != PEP_OUT_OF_MEMORY);
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vb@8
|
88 |
if (status == PEP_OUT_OF_MEMORY)
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vb@8
|
89 |
return PEP_OUT_OF_MEMORY;
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vb@8
|
90 |
}
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vb@8
|
91 |
}
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vb@8
|
92 |
}
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vb@8
|
93 |
else
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vb@8
|
94 |
identity->comm_type = PEP_ct_unknown;
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vb@8
|
95 |
}
|
vb@8
|
96 |
|
vb@21
|
97 |
if (identity->lang[0] == 0) {
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vb@21
|
98 |
identity->lang[0] = stored_identity->lang[0];
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vb@21
|
99 |
identity->lang[1] = stored_identity->lang[1];
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vb@21
|
100 |
identity->lang[2] = 0;
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vb@21
|
101 |
}
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vb@21
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102 |
}
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vb@21
|
103 |
else /* stored_identity == NULL */ {
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vb@21
|
104 |
if (!EMPTY(identity->fpr)) {
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vb@21
|
105 |
PEP_comm_type _comm_type_key;
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vb@21
|
106 |
|
vb@21
|
107 |
status = get_key_rating(session, identity->fpr, &_comm_type_key);
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vb@21
|
108 |
assert(status != PEP_OUT_OF_MEMORY);
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vb@21
|
109 |
if (status == PEP_OUT_OF_MEMORY)
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vb@21
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110 |
return PEP_OUT_OF_MEMORY;
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vb@21
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111 |
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vb@21
|
112 |
identity->comm_type = _comm_type_key;
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vb@21
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113 |
}
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vb@21
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114 |
else /* EMPTY(identity->fpr) */ {
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vb@21
|
115 |
PEP_STATUS status;
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vb@21
|
116 |
stringlist_t *keylist;
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vb@21
|
117 |
char *_fpr = NULL;
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vb@21
|
118 |
identity->comm_type = PEP_ct_unknown;
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vb@21
|
119 |
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vb@21
|
120 |
status = find_keys(session, identity->address, &keylist);
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vb@21
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121 |
assert(status != PEP_OUT_OF_MEMORY);
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vb@21
|
122 |
if (status == PEP_OUT_OF_MEMORY)
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vb@21
|
123 |
return PEP_OUT_OF_MEMORY;
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vb@21
|
124 |
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vb@21
|
125 |
stringlist_t *_keylist;
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vb@21
|
126 |
for (_keylist = keylist; _keylist && _keylist->value; _keylist = _keylist->next) {
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vb@21
|
127 |
PEP_comm_type _comm_type_key;
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vb@21
|
128 |
|
vb@21
|
129 |
status = get_key_rating(session, _keylist->value, &_comm_type_key);
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vb@21
|
130 |
assert(status != PEP_OUT_OF_MEMORY);
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vb@21
|
131 |
if (status == PEP_OUT_OF_MEMORY) {
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vb@21
|
132 |
free_stringlist(keylist);
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vb@21
|
133 |
return PEP_OUT_OF_MEMORY;
|
vb@21
|
134 |
}
|
vb@21
|
135 |
|
vb@21
|
136 |
if (identity->comm_type == PEP_ct_unknown) {
|
vb@21
|
137 |
if (_comm_type_key != PEP_ct_compromized && _comm_type_key != PEP_ct_unknown) {
|
vb@21
|
138 |
identity->comm_type = _comm_type_key;
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vb@21
|
139 |
_fpr = _keylist->value;
|
vb@21
|
140 |
}
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vb@21
|
141 |
}
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vb@21
|
142 |
else {
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vb@21
|
143 |
if (_comm_type_key != PEP_ct_compromized && _comm_type_key != PEP_ct_unknown) {
|
vb@21
|
144 |
if (_comm_type_key > identity->comm_type) {
|
vb@21
|
145 |
identity->comm_type = _comm_type_key;
|
vb@21
|
146 |
_fpr = _keylist->value;
|
vb@21
|
147 |
}
|
vb@21
|
148 |
}
|
vb@21
|
149 |
}
|
vb@21
|
150 |
}
|
vb@21
|
151 |
|
vb@21
|
152 |
if (_fpr) {
|
vb@21
|
153 |
free(identity->fpr);
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vb@21
|
154 |
|
vb@21
|
155 |
identity->fpr = strdup(_fpr);
|
vb@21
|
156 |
if (identity->fpr == NULL) {
|
vb@21
|
157 |
free_stringlist(keylist);
|
vb@21
|
158 |
return PEP_OUT_OF_MEMORY;
|
vb@21
|
159 |
}
|
vb@21
|
160 |
identity->fpr_size = strlen(identity->fpr);
|
vb@21
|
161 |
}
|
vb@21
|
162 |
free_stringlist(keylist);
|
vb@21
|
163 |
}
|
vb@21
|
164 |
}
|
vb@21
|
165 |
|
vb@21
|
166 |
status = PEP_STATUS_OK;
|
vb@21
|
167 |
|
vb@21
|
168 |
if (identity->comm_type != PEP_ct_unknown && !EMPTY(identity->user_id)) {
|
vb@22
|
169 |
assert(!EMPTY(identity->username)); // this should not happen
|
vb@22
|
170 |
|
vb@22
|
171 |
if (EMPTY(identity->username)) { // mitigate
|
vb@0
|
172 |
free(identity->username);
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vb@22
|
173 |
identity->username = strdup("anonymous");
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vb@8
|
174 |
if (identity->username == NULL)
|
vb@8
|
175 |
return PEP_OUT_OF_MEMORY;
|
vb@22
|
176 |
identity->username_size = 9;
|
vb@0
|
177 |
}
|
vb@8
|
178 |
|
vb@8
|
179 |
status = set_identity(session, identity);
|
vb@8
|
180 |
assert(status == PEP_STATUS_OK);
|
vb@8
|
181 |
}
|
vb@8
|
182 |
|
vb@297
|
183 |
if (identity->comm_type != PEP_ct_compromized &&
|
vb@297
|
184 |
identity->comm_type < PEP_ct_strong_but_unconfirmed)
|
vb@297
|
185 |
if (session->examine_identity)
|
vb@297
|
186 |
session->examine_identity(identity, session->examine_management);
|
vb@297
|
187 |
|
vb@8
|
188 |
return status;
|
vb@0
|
189 |
}
|
vb@0
|
190 |
|
vb@0
|
191 |
DYNAMIC_API PEP_STATUS myself(PEP_SESSION session, pEp_identity * identity)
|
vb@0
|
192 |
{
|
vb@0
|
193 |
PEP_STATUS status;
|
vb@46
|
194 |
stringlist_t *keylist = NULL;
|
vb@0
|
195 |
|
vb@0
|
196 |
assert(session);
|
vb@0
|
197 |
assert(identity);
|
vb@0
|
198 |
assert(identity->address);
|
vb@0
|
199 |
assert(identity->username);
|
vb@0
|
200 |
assert(identity->user_id);
|
vb@0
|
201 |
|
vb@191
|
202 |
if (!(session && identity && identity->address && identity->username &&
|
vb@191
|
203 |
identity->user_id))
|
vb@191
|
204 |
return PEP_ILLEGAL_VALUE;
|
vb@191
|
205 |
|
vb@0
|
206 |
identity->comm_type = PEP_ct_pEp;
|
vb@0
|
207 |
identity->me = true;
|
vb@0
|
208 |
|
vb@215
|
209 |
DEBUG_LOG("myself", "debug", identity->address);
|
vb@0
|
210 |
|
vb@0
|
211 |
status = find_keys(session, identity->address, &keylist);
|
vb@0
|
212 |
assert(status != PEP_OUT_OF_MEMORY);
|
vb@0
|
213 |
if (status == PEP_OUT_OF_MEMORY)
|
vb@0
|
214 |
return PEP_OUT_OF_MEMORY;
|
vb@0
|
215 |
|
vb@0
|
216 |
if (keylist == NULL || keylist->value == NULL) {
|
vb@215
|
217 |
DEBUG_LOG("generating key pair", "debug", identity->address);
|
vb@0
|
218 |
status = generate_keypair(session, identity);
|
vb@0
|
219 |
assert(status != PEP_OUT_OF_MEMORY);
|
vb@0
|
220 |
if (status != PEP_STATUS_OK) {
|
vb@0
|
221 |
char buf[11];
|
vb@0
|
222 |
snprintf(buf, 11, "%d", status);
|
vb@215
|
223 |
DEBUG_LOG("generating key pair failed", "debug", buf);
|
vb@0
|
224 |
return status;
|
vb@0
|
225 |
}
|
vb@0
|
226 |
|
vb@0
|
227 |
status = find_keys(session, identity->address, &keylist);
|
vb@0
|
228 |
assert(status != PEP_OUT_OF_MEMORY);
|
vb@0
|
229 |
if (status == PEP_OUT_OF_MEMORY)
|
vb@0
|
230 |
return PEP_OUT_OF_MEMORY;
|
vb@0
|
231 |
|
vb@372
|
232 |
assert(keylist && keylist->value);
|
Edouard@371
|
233 |
if (keylist == NULL || keylist->value == NULL) {
|
Edouard@371
|
234 |
return PEP_UNKNOWN_ERROR;
|
Edouard@371
|
235 |
}
|
vb@0
|
236 |
}
|
vb@214
|
237 |
else {
|
vb@214
|
238 |
bool expired;
|
vb@214
|
239 |
status = key_expired(session, keylist->value, &expired);
|
vb@214
|
240 |
assert(status == PEP_STATUS_OK);
|
vb@214
|
241 |
|
vb@214
|
242 |
if (status == PEP_STATUS_OK && expired) {
|
vb@214
|
243 |
timestamp *ts = new_timestamp(time(NULL) + KEY_EXPIRE_DELTA);
|
vb@214
|
244 |
renew_key(session, keylist->value, ts);
|
vb@214
|
245 |
free_timestamp(ts);
|
vb@214
|
246 |
}
|
vb@214
|
247 |
}
|
vb@0
|
248 |
|
vb@0
|
249 |
if (identity->fpr)
|
vb@0
|
250 |
free(identity->fpr);
|
vb@0
|
251 |
identity->fpr = strdup(keylist->value);
|
vb@0
|
252 |
assert(identity->fpr);
|
vb@0
|
253 |
free_stringlist(keylist);
|
vb@0
|
254 |
if (identity->fpr == NULL)
|
vb@0
|
255 |
return PEP_OUT_OF_MEMORY;
|
vb@8
|
256 |
identity->fpr_size = strlen(identity->fpr);
|
vb@0
|
257 |
|
vb@0
|
258 |
status = set_identity(session, identity);
|
vb@0
|
259 |
assert(status == PEP_STATUS_OK);
|
vb@0
|
260 |
|
vb@0
|
261 |
return PEP_STATUS_OK;
|
vb@0
|
262 |
}
|
vb@0
|
263 |
|
vb@296
|
264 |
DYNAMIC_API PEP_STATUS register_examine_function(
|
vb@292
|
265 |
PEP_SESSION session,
|
vb@292
|
266 |
examine_identity_t examine_identity,
|
vb@292
|
267 |
void *management
|
vb@292
|
268 |
)
|
vb@292
|
269 |
{
|
vb@292
|
270 |
assert(session);
|
vb@292
|
271 |
if (!session)
|
vb@292
|
272 |
return PEP_ILLEGAL_VALUE;
|
vb@292
|
273 |
|
vb@292
|
274 |
session->examine_management = management;
|
vb@292
|
275 |
session->examine_identity = examine_identity;
|
vb@292
|
276 |
|
vb@292
|
277 |
return PEP_STATUS_OK;
|
vb@292
|
278 |
}
|
vb@292
|
279 |
|
vb@0
|
280 |
DYNAMIC_API PEP_STATUS do_keymanagement(
|
vb@0
|
281 |
retrieve_next_identity_t retrieve_next_identity,
|
vb@0
|
282 |
void *management
|
vb@0
|
283 |
)
|
vb@0
|
284 |
{
|
vb@0
|
285 |
PEP_SESSION session;
|
vb@0
|
286 |
pEp_identity *identity;
|
vb@0
|
287 |
PEP_STATUS status = init(&session);
|
vb@0
|
288 |
|
vb@0
|
289 |
assert(status == PEP_STATUS_OK);
|
vb@0
|
290 |
if (status != PEP_STATUS_OK)
|
vb@0
|
291 |
return status;
|
vb@0
|
292 |
|
vb@24
|
293 |
assert(retrieve_next_identity);
|
vb@24
|
294 |
assert(management);
|
vb@24
|
295 |
|
vb@0
|
296 |
log_event(session, "keymanagement thread started", "pEp engine", NULL, NULL);
|
vb@0
|
297 |
|
vb@36
|
298 |
while ((identity = retrieve_next_identity(management))) {
|
vb@0
|
299 |
assert(identity->address);
|
vb@220
|
300 |
DEBUG_LOG("do_keymanagement", "retrieve_next_identity", identity->address);
|
vb@0
|
301 |
if (identity->me) {
|
vb@0
|
302 |
status = myself(session, identity);
|
vb@0
|
303 |
assert(status != PEP_OUT_OF_MEMORY);
|
vb@0
|
304 |
} else {
|
vb@0
|
305 |
status = recv_key(session, identity->address);
|
vb@0
|
306 |
assert(status != PEP_OUT_OF_MEMORY);
|
vb@0
|
307 |
}
|
vb@0
|
308 |
free_identity(identity);
|
vb@0
|
309 |
}
|
vb@0
|
310 |
|
vb@0
|
311 |
log_event(session, "keymanagement thread shutdown", "pEp engine", NULL, NULL);
|
vb@0
|
312 |
|
vb@0
|
313 |
release(session);
|
vb@0
|
314 |
return PEP_STATUS_OK;
|
vb@0
|
315 |
}
|
vb@0
|
316 |
|
vb@357
|
317 |
DYNAMIC_API PEP_STATUS key_compromized(
|
vb@357
|
318 |
PEP_SESSION session,
|
vb@357
|
319 |
pEp_identity *ident
|
vb@357
|
320 |
)
|
vb@215
|
321 |
{
|
vb@218
|
322 |
PEP_STATUS status = PEP_STATUS_OK;
|
vb@218
|
323 |
|
vb@215
|
324 |
assert(session);
|
vb@357
|
325 |
assert(ident);
|
vb@357
|
326 |
assert(!EMPTY(ident->fpr));
|
vb@215
|
327 |
|
vb@357
|
328 |
if (!(session && ident && ident->fpr))
|
vb@215
|
329 |
return PEP_ILLEGAL_VALUE;
|
vb@215
|
330 |
|
vb@357
|
331 |
if (ident->me)
|
vb@357
|
332 |
revoke_key(session, ident->fpr, NULL);
|
vb@357
|
333 |
status = mark_as_compromized(session, ident->fpr);
|
vb@218
|
334 |
|
vb@218
|
335 |
return status;
|
vb@215
|
336 |
}
|
vb@215
|
337 |
|
Edouard@410
|
338 |
DYNAMIC_API PEP_STATUS key_reset_trust(
|
Edouard@410
|
339 |
PEP_SESSION session,
|
Edouard@410
|
340 |
pEp_identity *ident
|
Edouard@410
|
341 |
)
|
Edouard@410
|
342 |
{
|
Edouard@410
|
343 |
PEP_STATUS status = PEP_STATUS_OK;
|
Edouard@410
|
344 |
|
Edouard@410
|
345 |
assert(session);
|
Edouard@410
|
346 |
assert(ident);
|
vb@420
|
347 |
assert(!ident->me);
|
Edouard@410
|
348 |
assert(!EMPTY(ident->fpr));
|
vb@420
|
349 |
assert(!EMPTY(ident->address));
|
vb@420
|
350 |
assert(!EMPTY(ident->user_id));
|
Edouard@410
|
351 |
|
vb@420
|
352 |
if (!(session && ident && !ident->me && ident->fpr && ident->address &&
|
vb@420
|
353 |
ident->user_id))
|
Edouard@410
|
354 |
return PEP_ILLEGAL_VALUE;
|
Edouard@410
|
355 |
|
vb@420
|
356 |
status = update_identity(session, ident);
|
vb@420
|
357 |
if (status != PEP_STATUS_OK)
|
vb@420
|
358 |
return status;
|
Edouard@410
|
359 |
|
vb@420
|
360 |
ident->comm_type = PEP_ct_unknown;
|
vb@420
|
361 |
status = set_identity(session, ident);
|
vb@420
|
362 |
|
Edouard@410
|
363 |
return status;
|
Edouard@410
|
364 |
}
|
Edouard@410
|
365 |
|
vb@354
|
366 |
DYNAMIC_API PEP_STATUS trust_personal_key(
|
vb@354
|
367 |
PEP_SESSION session,
|
vb@354
|
368 |
pEp_identity *ident
|
vb@354
|
369 |
)
|
vb@354
|
370 |
{
|
vb@354
|
371 |
PEP_STATUS status = PEP_STATUS_OK;
|
vb@354
|
372 |
|
vb@354
|
373 |
assert(session);
|
vb@354
|
374 |
assert(ident);
|
vb@354
|
375 |
assert(!EMPTY(ident->address));
|
vb@354
|
376 |
assert(!EMPTY(ident->user_id));
|
vb@354
|
377 |
assert(!EMPTY(ident->fpr));
|
vb@354
|
378 |
assert(!ident->me);
|
vb@354
|
379 |
|
vb@354
|
380 |
if (!ident || EMPTY(ident->address) || EMPTY(ident->user_id) ||
|
vb@354
|
381 |
EMPTY(ident->fpr) || ident->me)
|
vb@354
|
382 |
return PEP_ILLEGAL_VALUE;
|
vb@354
|
383 |
|
vb@354
|
384 |
status = update_identity(session, ident);
|
vb@354
|
385 |
if (status != PEP_STATUS_OK)
|
vb@354
|
386 |
return status;
|
vb@354
|
387 |
|
vb@356
|
388 |
if (ident->comm_type > PEP_ct_strong_but_unconfirmed) {
|
vb@356
|
389 |
ident->comm_type |= PEP_ct_confirmed;
|
vb@356
|
390 |
status = update_identity(session, ident);
|
vb@356
|
391 |
}
|
vb@356
|
392 |
else {
|
vb@356
|
393 |
// MISSING: S/MIME has to be handled depending on trusted CAs
|
vb@370
|
394 |
status = PEP_CANNOT_SET_TRUST;
|
vb@356
|
395 |
}
|
vb@354
|
396 |
|
vb@354
|
397 |
return status;
|
vb@354
|
398 |
}
|
vb@354
|
399 |
|