free(mesh->self->name);
mesh->name = name;
mesh->self->name = xstrdup(name);
- mesh->self->devclass = devclass;
+ mesh->self->devclass = devclass == DEV_CLASS_UNKNOWN ? mesh->devclass : devclass;
// Initialize configuration directory
if(!config_init(mesh, "current")) {
return true;
}
+
static bool sendline(int fd, char *format, ...) {
- static char buffer[4096];
+ char buffer[4096];
char *p = buffer;
int blen = 0;
va_list ap;
}
bool meshlink_encrypted_key_rotate(meshlink_handle_t *mesh, const void *new_key, size_t new_keylen) {
+ if(!mesh || !new_key || !new_keylen) {
+ logger(mesh, MESHLINK_ERROR, "Invalid arguments given!\n");
+ meshlink_errno = MESHLINK_EINVAL;
+ return false;
+ }
+
+ pthread_mutex_lock(&(mesh->mesh_mutex));
+
+ // Create hash for the new key
+ void *new_config_key;
+ new_config_key = xmalloc(CHACHA_POLY1305_KEYLEN);
+
+ if(!prf(new_key, new_keylen, "MeshLink configuration key", 26, new_config_key, CHACHA_POLY1305_KEYLEN)) {
+ logger(mesh, MESHLINK_ERROR, "Error creating new configuration key!\n");
+ meshlink_errno = MESHLINK_EINTERNAL;
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
+
+ // Copy contents of the "current" confbase sub-directory to "new" confbase sub-directory with the new key
+
+ if(!config_copy(mesh, "current", mesh->config_key, "new", new_config_key)) {
+ logger(mesh, MESHLINK_ERROR, "Could not set up configuration in %s/old: %s\n", mesh->confbase, strerror(errno));
+ meshlink_errno = MESHLINK_ESTORAGE;
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
- // While copying old config files to new config files
devtool_keyrotate_probe(1);
- // After completed creating new config files in confbase/new/
+
+ main_config_unlock(mesh);
+
+ // Rename confbase/current/ to confbase/old
+
+ if(!config_rename(mesh, "current", "old")) {
+ logger(mesh, MESHLINK_ERROR, "Cannot rename %s/current to %s/old\n", mesh->confbase, mesh->confbase);
+ meshlink_errno = MESHLINK_ESTORAGE;
+ main_config_lock(mesh);
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
+
devtool_keyrotate_probe(2);
- // Rename confbase/current to confbase/old/
- devtool_keyrotate_probe(3);
+
// Rename confbase/new/ to confbase/current
- devtool_keyrotate_probe(4);
- // Before deleting old sub-directory
- devtool_keyrotate_probe(5);
- return false;
+ if(!config_rename(mesh, "new", "current")) {
+ logger(mesh, MESHLINK_ERROR, "Cannot rename %s/new to %s/current\n", mesh->confbase, mesh->confbase);
+ meshlink_errno = MESHLINK_ESTORAGE;
+ main_config_lock(mesh);
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
+
+ devtool_keyrotate_probe(3);
+
+ if(!main_config_lock(mesh)) {
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
+
+ // Cleanup the "old" confbase sub-directory
+
+ if(!config_destroy(mesh->confbase, "old")) {
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
+
+ // Change the mesh handle key with new key
+
+ free(mesh->config_key);
+ mesh->config_key = new_config_key;
+
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+
+ return true;
}
void meshlink_open_params_free(meshlink_open_params_t *params) {
pthread_mutex_lock(&(mesh->mesh_mutex));
+#if HAVE_CATTA
+
+ if(mesh->discovery) {
+ discovery_start(mesh);
+ }
+
+#endif
+
logger(mesh, MESHLINK_DEBUG, "Starting main_loop...\n");
main_loop(mesh);
logger(mesh, MESHLINK_DEBUG, "main_loop returned.\n");
+#if HAVE_CATTA
+
+ // Stop discovery
+ if(mesh->discovery) {
+ discovery_stop(mesh);
+ }
+
+#endif
+
pthread_mutex_unlock(&(mesh->mesh_mutex));
return NULL;
}
mesh->threadstarted = true;
-#if HAVE_CATTA
-
- if(mesh->discovery) {
- discovery_start(mesh);
- }
-
-#endif
-
assert(mesh->self->ecdsa);
assert(!memcmp((uint8_t *)mesh->self->ecdsa + 64, (uint8_t *)mesh->private_key + 64, 32));
pthread_mutex_lock(&(mesh->mesh_mutex));
logger(mesh, MESHLINK_DEBUG, "meshlink_stop called\n");
-#if HAVE_CATTA
-
- // Stop discovery
- if(mesh->discovery) {
- discovery_stop(mesh);
- }
-
-#endif
-
// Shut down the main thread
event_loop_stop(&mesh->loop);
//Before doing meshlink_join make sure we are not connected to another mesh
if(mesh->threadstarted) {
- logger(mesh, MESHLINK_DEBUG, "Already connected to a mesh\n");
+ logger(mesh, MESHLINK_ERROR, "Cannot join while started\n");
+ meshlink_errno = MESHLINK_EINVAL;
+ pthread_mutex_unlock(&(mesh->mesh_mutex));
+ return false;
+ }
+
+ // Refuse to join a mesh if we are already part of one. We are part of one if we know at least one other node.
+ if(mesh->nodes->count > 1) {
+ logger(mesh, MESHLINK_ERROR, "Already part of an existing mesh\n");
meshlink_errno = MESHLINK_EINVAL;
pthread_mutex_unlock(&(mesh->mesh_mutex));
return false;
#endif
}
+void handle_network_change(meshlink_handle_t *mesh, bool online) {
+ (void)online;
+
+ if(!mesh->connections) {
+ return;
+ }
+
+ retry(mesh);
+}
+
static void __attribute__((constructor)) meshlink_init(void) {
crypto_init();
unsigned int seed;
}
/// Device class traits
-dev_class_traits_t dev_class_traits[_DEV_CLASS_MAX + 1] = {
+const dev_class_traits_t dev_class_traits[_DEV_CLASS_MAX + 1] = {
{ .min_connects = 3, .max_connects = 10000, .edge_weight = 1 }, // DEV_CLASS_BACKBONE
{ .min_connects = 3, .max_connects = 100, .edge_weight = 3 }, // DEV_CLASS_STATIONARY
{ .min_connects = 3, .max_connects = 3, .edge_weight = 6 }, // DEV_CLASS_PORTABLE