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Add devicelist and bundle publication

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This commit is contained in:
Paul Fariello
2019-02-21 19:44:01 +01:40
parent bce1981128
commit fdc5f25f2d
7 changed files with 323 additions and 25 deletions
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134
src/omemo/omemo.c
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@@ -1,26 +1,41 @@
#include <sys/time.h>
#include <glib.h>
#include <pthread.h>
#include <signal/key_helper.h>
#include <signal/signal_protocol.h>
#include <sodium.h>
#include "config/account.h"
#include "ui/ui.h"
#include "omemo/omemo.h"
#include "log.h"
#include "omemo/crypto.h"
#include "omemo/omemo.h"
#include "ui/ui.h"
#include "xmpp/omemo.h"
static gboolean loaded;
static void lock(void *user_data);
static void unlock(void *user_data);
static void omemo_load_crypto_materials(ProfAccount *account);
struct omemo_context_t {
pthread_mutexattr_t attr;
pthread_mutex_t lock;
signal_context *signal;
uint32_t device_id;
GList *device_list;
ratchet_identity_key_pair *identity_key_pair;
uint32_t registration_id;
signal_protocol_key_helper_pre_key_list_node *pre_keys_head;
session_signed_pre_key *signed_pre_key;
};
static omemo_context omemo_ctx;
void
omemo_init(void)
{
log_info("Initialising OMEMO");
signal_context *signal_ctx;
omemo_context *ctx = malloc(sizeof(omemo_context));
signal_crypto_provider crypto_provider = {
.random_func = omemo_random_func,
.hmac_sha256_init_func = omemo_hmac_sha256_init_func,
@@ -40,35 +55,116 @@ omemo_init(void)
cons_show("Error initializing OMEMO crypto");
}
pthread_mutexattr_init(&ctx->attr);
pthread_mutexattr_settype(&ctx->attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&ctx->lock, &ctx->attr);
pthread_mutexattr_init(&omemo_ctx.attr);
pthread_mutexattr_settype(&omemo_ctx.attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&omemo_ctx.lock, &omemo_ctx.attr);
if (signal_context_create(&signal_ctx, ctx) != 0) {
if (signal_context_create(&omemo_ctx.signal, &omemo_ctx) != 0) {
cons_show("Error initializing OMEMO context");
return;
}
if (signal_context_set_crypto_provider(signal_ctx, &crypto_provider) != 0) {
if (signal_context_set_crypto_provider(omemo_ctx.signal, &crypto_provider) != 0) {
cons_show("Error initializing OMEMO crypto");
return;
}
signal_context_set_locking_functions(signal_ctx, lock, unlock);
signal_context_set_locking_functions(omemo_ctx.signal, lock, unlock);
loaded = FALSE;
omemo_ctx.device_list = NULL;
}
void
omemo_generate_crypto_materials(ProfAccount *account)
{
ratchet_identity_key_pair *identity_key_pair;
uint32_t registration_id;
signal_protocol_key_helper_pre_key_list_node *pre_keys_head;
session_signed_pre_key *signed_pre_key;
omemo_ctx.device_id = randombytes_uniform(0x80000000);
omemo_ctx.device_list = g_list_append(omemo_ctx.device_list, GINT_TO_POINTER(omemo_ctx.device_id));
signal_protocol_key_helper_generate_identity_key_pair(&omemo_ctx.identity_key_pair, omemo_ctx.signal);
signal_protocol_key_helper_generate_registration_id(&omemo_ctx.registration_id, 0, omemo_ctx.signal);
signal_protocol_key_helper_generate_pre_keys(&omemo_ctx.pre_keys_head, randombytes_random(), 100, omemo_ctx.signal);
signal_protocol_key_helper_generate_identity_key_pair(&identity_key_pair, global_context);
signal_protocol_key_helper_generate_registration_id(&registration_id, 0, global_context);
signal_protocol_key_helper_generate_pre_keys(&pre_keys_head, start_id, 100, global_context);
signal_protocol_key_helper_generate_signed_pre_key(&signed_pre_key, identity_key_pair, 5, timestamp, global_context);
struct timeval tv;
gettimeofday(&tv, NULL);
unsigned long long timestamp = (unsigned long long)(tv.tv_sec) * 1000 + (unsigned long long)(tv.tv_usec) / 1000;
signal_protocol_key_helper_generate_signed_pre_key(&omemo_ctx.signed_pre_key, omemo_ctx.identity_key_pair, 5, timestamp, omemo_ctx.signal);
loaded = TRUE;
omemo_devicelist_publish();
omemo_bundle_publish();
}
void
omemo_start_session(ProfAccount *account, char *barejid)
{
}
gboolean
omemo_loaded(void)
{
return loaded;
}
GList * const
omemo_device_list(void)
{
return omemo_ctx.device_list;
}
uint32_t
omemo_device_id(void)
{
return omemo_ctx.device_id;
}
void
omemo_identity_key(unsigned char **output, size_t *length)
{
signal_buffer *buffer = NULL;
ec_public_key_serialize(&buffer, ratchet_identity_key_pair_get_public(omemo_ctx.identity_key_pair));
*length = signal_buffer_len(buffer);
*output = malloc(*length);
memcpy(*output, signal_buffer_const_data(buffer), *length);
signal_buffer_free(buffer);
}
void
omemo_signed_prekey(unsigned char **output, size_t *length)
{
signal_buffer *buffer = NULL;
ec_public_key_serialize(&buffer, ec_key_pair_get_public(session_signed_pre_key_get_key_pair(omemo_ctx.signed_pre_key)));
*length = signal_buffer_len(buffer);
*output = malloc(*length);
memcpy(*output, signal_buffer_const_data(buffer), *length);
signal_buffer_free(buffer);
}
void
omemo_signed_prekey_signature(unsigned char **output, size_t *length)
{
*length = session_signed_pre_key_get_signature_len(omemo_ctx.signed_pre_key);
*output = malloc(*length);
memcpy(*output, session_signed_pre_key_get_signature(omemo_ctx.signed_pre_key), *length);
}
void
omemo_prekeys(GList ** const prekeys, GList ** const ids, GList ** const lengths)
{
signal_protocol_key_helper_pre_key_list_node *p;
for (p = omemo_ctx.pre_keys_head; p != NULL; p = signal_protocol_key_helper_key_list_next(p)) {
session_pre_key *prekey = signal_protocol_key_helper_key_list_element(p);
signal_buffer *buffer = NULL;
ec_public_key_serialize(&buffer, ec_key_pair_get_public(session_pre_key_get_key_pair(prekey)));
size_t length = signal_buffer_len(buffer);
unsigned char *prekey_value = malloc(length);
memcpy(prekey_value, signal_buffer_const_data(buffer), length);
signal_buffer_free(buffer);
*prekeys = g_list_append(*prekeys, prekey_value);
*ids = g_list_append(*ids, GINT_TO_POINTER(session_pre_key_get_id(prekey)));
*lengths = g_list_append(*lengths, GINT_TO_POINTER(length));
}
}
static void