libaxolotl doesn't exist anymore, it's renamed to libsignal

1 files changed, 0 insertions, 352 deletions

diff --git a/libs/libaxolotl/src/session_builder.c b/libs/libaxolotl/src/session_builder.c
deleted file mode 100644
index 2bfd62015f..0000000000
--- a/libs/libaxolotl/src/session_builder.c
+++ /dev/null
@@ -1,352 +0,0 @@
-#include "session_builder.h"
-#include "session_builder_internal.h"
-
-#include <assert.h>
-#include <string.h>
-#include "session_pre_key.h"
-#include "session_record.h"
-#include "session_state.h"
-#include "ratchet.h"
-#include "protocol.h"
-#include "key_helper.h"
-#include "signal_protocol_internal.h"
-
-struct session_builder
-{
-    signal_protocol_store_context *store;
-    const signal_protocol_address *remote_address;
-    signal_context *global_context;
-};
-
-static int session_builder_process_pre_key_signal_message_v3(session_builder *builder,
-        session_record *record, pre_key_signal_message *message, uint32_t *unsigned_pre_key_id);
-
-int session_builder_create(session_builder **builder,
-        signal_protocol_store_context *store, const signal_protocol_address *remote_address,
-        signal_context *global_context)
-{
-    session_builder *result = 0;
-
-    assert(store);
-    assert(global_context);
-
-    result = malloc(sizeof(session_builder));
-    if(!result) {
-        return SG_ERR_NOMEM;
-    }
-    memset(result, 0, sizeof(session_builder));
-
-    result->store = store;
-    result->remote_address = remote_address;
-    result->global_context = global_context;
-
-    *builder = result;
-    return 0;
-}
-
-int session_builder_process_pre_key_signal_message(session_builder *builder,
-        session_record *record, pre_key_signal_message *message, uint32_t *unsigned_pre_key_id)
-{
-    int result = 0;
-    int has_unsigned_pre_key_id_result = 0;
-    uint32_t unsigned_pre_key_id_result = 0;
-    ec_public_key *their_identity_key = pre_key_signal_message_get_identity_key(message);
-
-    result = signal_protocol_identity_is_trusted_identity(builder->store,
-            builder->remote_address,
-            their_identity_key);
-    if(result < 0) {
-        goto complete;
-    }
-    if(result == 0) {
-        result = SG_ERR_UNTRUSTED_IDENTITY;
-        goto complete;
-    }
-
-    result = session_builder_process_pre_key_signal_message_v3(builder, record, message, &unsigned_pre_key_id_result);
-    if(result < 0) {
-        goto complete;
-    }
-    has_unsigned_pre_key_id_result = result;
-
-    result = signal_protocol_identity_save_identity(builder->store,
-            builder->remote_address,
-            their_identity_key);
-    if(result < 0) {
-        goto complete;
-    }
-
-    result = has_unsigned_pre_key_id_result;
-
-complete:
-    if(result >= 0) {
-        *unsigned_pre_key_id = unsigned_pre_key_id_result;
-    }
-    return result;
-}
-
-static int session_builder_process_pre_key_signal_message_v3(session_builder *builder,
-        session_record *record, pre_key_signal_message *message, uint32_t *unsigned_pre_key_id)
-{
-    int result = 0;
-    uint32_t unsigned_pre_key_id_result = 0;
-    session_signed_pre_key *our_signed_pre_key = 0;
-    ratchet_identity_key_pair *our_identity_key = 0;
-    bob_signal_protocol_parameters *parameters = 0;
-    session_pre_key *session_our_one_time_pre_key = 0;
-    ec_key_pair *our_one_time_pre_key = 0;
-    session_state *state = 0;
-    uint32_t local_registration_id = 0;
-
-    int has_session_state = session_record_has_session_state(record,
-            pre_key_signal_message_get_message_version(message),
-            pre_key_signal_message_get_base_key(message));
-    if(has_session_state) {
-        signal_log(builder->global_context, SG_LOG_INFO, "We've already setup a session for this V3 message, letting bundled message fall through...");
-        result = 0;
-        goto complete;
-    }
-
-    result = signal_protocol_signed_pre_key_load_key(builder->store,
-            &our_signed_pre_key,
-            pre_key_signal_message_get_signed_pre_key_id(message));
-    if(result < 0) {
-        goto complete;
-    }
-
-    result = signal_protocol_identity_get_key_pair(builder->store, &our_identity_key);
-    if(result < 0) {
-        goto complete;
-    }
-
-    if(pre_key_signal_message_has_pre_key_id(message)) {
-        result = signal_protocol_pre_key_load_key(builder->store,
-                &session_our_one_time_pre_key,
-                pre_key_signal_message_get_pre_key_id(message));
-        if(result < 0) {
-            goto complete;
-        }
-        our_one_time_pre_key = session_pre_key_get_key_pair(session_our_one_time_pre_key);
-    }
-
-    result = bob_signal_protocol_parameters_create(
-            &parameters,
-            our_identity_key,
-            session_signed_pre_key_get_key_pair(our_signed_pre_key),
-            our_one_time_pre_key,
-            session_signed_pre_key_get_key_pair(our_signed_pre_key),
-            pre_key_signal_message_get_identity_key(message),
-            pre_key_signal_message_get_base_key(message));
-    if(result < 0) {
-        goto complete;
-    }
-
-    if(!session_record_is_fresh(record)) {
-        result = session_record_archive_current_state(record);
-        if(result < 0) {
-            goto complete;
-        }
-    }
-
-    state = session_record_get_state(record);
-
-    result = ratcheting_session_bob_initialize(
-            state, parameters,
-            builder->global_context);
-    if(result < 0) {
-        goto complete;
-    }
-
-    result = signal_protocol_identity_get_local_registration_id(builder->store, &local_registration_id);
-    if(result < 0) {
-        goto complete;
-    }
-
-    session_state_set_local_registration_id(state, local_registration_id);
-    session_state_set_remote_registration_id(state,
-            pre_key_signal_message_get_registration_id(message));
-    session_state_set_alice_base_key(state,
-            pre_key_signal_message_get_base_key(message));;
-
-    if(pre_key_signal_message_has_pre_key_id(message) &&
-            pre_key_signal_message_get_pre_key_id(message) != PRE_KEY_MEDIUM_MAX_VALUE) {
-        unsigned_pre_key_id_result = pre_key_signal_message_get_pre_key_id(message);
-        result = 1;
-    }
-    else {
-        result = 0;
-    }
-
-complete:
-    SIGNAL_UNREF(parameters);
-    SIGNAL_UNREF(our_identity_key);
-    SIGNAL_UNREF(our_signed_pre_key);
-    SIGNAL_UNREF(session_our_one_time_pre_key);
-    if(result >= 0) {
-        *unsigned_pre_key_id = unsigned_pre_key_id_result;
-    }
-    return result;
-}
-
-int session_builder_process_pre_key_bundle(session_builder *builder, session_pre_key_bundle *bundle)
-{
-    int result = 0;
-    session_record *record = 0;
-    ec_key_pair *our_base_key = 0;
-    ratchet_identity_key_pair *our_identity_key = 0;
-    alice_signal_protocol_parameters *parameters = 0;
-    ec_public_key *signed_pre_key = 0;
-    ec_public_key *pre_key = 0;
-    ec_public_key *their_identity_key = 0;
-    ec_public_key *their_signed_pre_key = 0;
-    ec_public_key *their_one_time_pre_key = 0;
-    int has_their_one_time_pre_key_id = 0;
-    uint32_t their_one_time_pre_key_id = 0;
-    session_state *state = 0;
-    uint32_t local_registration_id = 0;
-
-    assert(builder);
-    assert(builder->store);
-    assert(bundle);
-    signal_lock(builder->global_context);
-
-    result = signal_protocol_identity_is_trusted_identity(builder->store,
-            builder->remote_address,
-            session_pre_key_bundle_get_identity_key(bundle));
-    if(result < 0) {
-        goto complete;
-    }
-    if(result == 0) {
-        result = SG_ERR_UNTRUSTED_IDENTITY;
-        goto complete;
-    }
-
-    signed_pre_key = session_pre_key_bundle_get_signed_pre_key(bundle);
-    pre_key = session_pre_key_bundle_get_pre_key(bundle);
-
-    if(signed_pre_key) {
-        ec_public_key *identity_key = session_pre_key_bundle_get_identity_key(bundle);
-        signal_buffer *signature = session_pre_key_bundle_get_signed_pre_key_signature(bundle);
-
-        signal_buffer *serialized_signed_pre_key = 0;
-        result = ec_public_key_serialize(&serialized_signed_pre_key, signed_pre_key);
-        if(result < 0) {
-            goto complete;
-        }
-
-        result = curve_verify_signature(identity_key,
-                signal_buffer_data(serialized_signed_pre_key),
-                signal_buffer_len(serialized_signed_pre_key),
-                signal_buffer_data(signature),
-                signal_buffer_len(signature));
-
-        signal_buffer_free(serialized_signed_pre_key);
-
-        if(result == 0) {
-            signal_log(builder->global_context, SG_LOG_WARNING, "invalid signature on device key!");
-            result = SG_ERR_INVALID_KEY;
-        }
-        if(result < 0) {
-            goto complete;
-        }
-    }
-
-    if(!signed_pre_key) {
-        result = SG_ERR_INVALID_KEY;
-        signal_log(builder->global_context, SG_LOG_WARNING, "no signed pre key!");
-        goto complete;
-    }
-
-    result = signal_protocol_session_load_session(builder->store, &record, builder->remote_address);
-    if(result < 0) {
-        goto complete;
-    }
-
-    result = curve_generate_key_pair(builder->global_context, &our_base_key);
-    if(result < 0) {
-        goto complete;
-    }
-
-    their_identity_key = session_pre_key_bundle_get_identity_key(bundle);
-    their_signed_pre_key = signed_pre_key;
-    their_one_time_pre_key = pre_key;
-
-    if(their_one_time_pre_key) {
-        has_their_one_time_pre_key_id = 1;
-        their_one_time_pre_key_id = session_pre_key_bundle_get_pre_key_id(bundle);
-    }
-
-    result = signal_protocol_identity_get_key_pair(builder->store, &our_identity_key);
-    if(result < 0) {
-        goto complete;
-    }
-
-    result = alice_signal_protocol_parameters_create(&parameters,
-            our_identity_key,
-            our_base_key,
-            their_identity_key,
-            their_signed_pre_key,
-            their_one_time_pre_key,
-            their_signed_pre_key);
-    if(result < 0) {
-        goto complete;
-    }
-
-    if(!session_record_is_fresh(record)) {
-        result = session_record_archive_current_state(record);
-        if(result < 0) {
-            goto complete;
-        }
-    }
-
-    state = session_record_get_state(record);
-
-    result = ratcheting_session_alice_initialize(
-            state, parameters,
-            builder->global_context);
-    if(result < 0) {
-        goto complete;
-    }
-
-    session_state_set_unacknowledged_pre_key_message(state,
-            has_their_one_time_pre_key_id ? &their_one_time_pre_key_id : 0,
-            session_pre_key_bundle_get_signed_pre_key_id(bundle),
-            ec_key_pair_get_public(our_base_key));
-
-    result = signal_protocol_identity_get_local_registration_id(builder->store, &local_registration_id);
-    if(result < 0) {
-        goto complete;
-    }
-
-    session_state_set_local_registration_id(state, local_registration_id);
-    session_state_set_remote_registration_id(state,
-            session_pre_key_bundle_get_registration_id(bundle));
-    session_state_set_alice_base_key(state, ec_key_pair_get_public(our_base_key));
-
-    result = signal_protocol_session_store_session(builder->store, builder->remote_address, record);
-    if(result < 0) {
-        goto complete;
-    }
-
-    result = signal_protocol_identity_save_identity(builder->store,
-            builder->remote_address,
-            their_identity_key);
-    if(result < 0) {
-        goto complete;
-    }
-
-complete:
-    SIGNAL_UNREF(record);
-    SIGNAL_UNREF(our_base_key);
-    SIGNAL_UNREF(our_identity_key);
-    SIGNAL_UNREF(parameters);
-    signal_unlock(builder->global_context);
-    return result;
-}
-
-void session_builder_free(session_builder *builder)
-{
-    if(builder) {
-        free(builder);
-    }
-}