#include "xalloc.h"
#include "ed25519/sha512.h"
+#include <assert.h>
+
+extern bool node_write_devclass(meshlink_handle_t *mesh, node_t *n);
+
static bool send_proxyrequest(meshlink_handle_t *mesh, connection_t *c) {
switch(mesh->proxytype) {
case PROXY_HTTP: {
}
case PROXY_SOCKS4: {
if(c->address.sa.sa_family != AF_INET) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Cannot connect to an IPv6 host through a SOCKS 4 proxy!");
+ logger(mesh, MESHLINK_ERROR, "Cannot connect to an IPv6 host through a SOCKS 4 proxy!");
return false;
}
char s4req[9 + (mesh->proxyuser ? strlen(mesh->proxyuser) : 0)];
i += 2;
c->tcplen += 22;
} else {
- logger(DEBUG_ALWAYS, LOG_ERR, "Address family %hx not supported for SOCKS 5 proxies!", c->address.sa.sa_family);
+ logger(mesh, MESHLINK_ERROR, "Address family %hx not supported for SOCKS 5 proxies!", c->address.sa.sa_family);
return false;
}
if(i > len)
return send_meta(mesh, c, s5req, sizeof s5req);
}
case PROXY_SOCKS4A:
- logger(DEBUG_ALWAYS, LOG_ERR, "Proxy type not implemented yet");
+ logger(mesh, MESHLINK_ERROR, "Proxy type not implemented yet");
return false;
case PROXY_EXEC:
return true;
default:
- logger(DEBUG_ALWAYS, LOG_ERR, "Unknown proxy type");
+ logger(mesh, MESHLINK_ERROR, "Unknown proxy type");
return false;
}
}
bool send_id(meshlink_handle_t *mesh, connection_t *c) {
- gettimeofday(&c->start, NULL);
-
+
int minor = mesh->self->connection->protocol_minor;
if(mesh->proxytype && c->outgoing)
return send_request(mesh, c, "%d %s %d.%d", ID, mesh->self->connection->name, mesh->self->connection->protocol_major, minor);
}
-static bool finalize_invitation(meshlink_handle_t *mesh, connection_t *c, const char *data, uint16_t len) {
+static bool finalize_invitation(meshlink_handle_t *mesh, connection_t *c, const void *data, uint16_t len) {
if(strchr(data, '\n')) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Received invalid key from invited node %s (%s)!\n", c->name, c->hostname);
+ logger(mesh, MESHLINK_ERROR, "Received invalid key from invited node %s (%s)!\n", c->name, c->hostname);
return false;
}
char filename[PATH_MAX];
snprintf(filename, sizeof filename, "%s" SLASH "hosts" SLASH "%s", mesh->confbase, c->name);
if(!access(filename, F_OK)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Host config file for %s (%s) already exists!\n", c->name, c->hostname);
+ logger(mesh, MESHLINK_ERROR, "Host config file for %s (%s) already exists!\n", c->name, c->hostname);
return false;
}
FILE *f = fopen(filename, "w");
if(!f) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error trying to create %s: %s\n", filename, strerror(errno));
+ logger(mesh, MESHLINK_ERROR, "Error trying to create %s: %s\n", filename, strerror(errno));
return false;
}
- fprintf(f, "ECDSAPublicKey = %s\n", data);
+ fprintf(f, "ECDSAPublicKey = %s\n", (const char *)data);
fclose(f);
- logger(DEBUG_CONNECTIONS, LOG_INFO, "Key succesfully received from %s (%s)", c->name, c->hostname);
+ logger(mesh, MESHLINK_INFO, "Key succesfully received from %s (%s)", c->name, c->hostname);
//TODO: callback to application to inform of an accepted invitation
sptps_send_record(&c->sptps, 2, data, 0);
+
+ load_all_nodes(mesh);
+
return true;
}
-static bool receive_invitation_sptps(void *handle, uint8_t type, const char *data, uint16_t len) {
+static bool receive_invitation_sptps(void *handle, uint8_t type, const void *data, uint16_t len) {
connection_t *c = handle;
meshlink_handle_t *mesh = c->mesh;
// Atomically rename the invitation file
if(rename(filename, usedname)) {
if(errno == ENOENT)
- logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s tried to use non-existing invitation %s\n", c->hostname, cookie);
+ logger(mesh, MESHLINK_ERROR, "Peer %s tried to use non-existing invitation %s\n", c->hostname, cookie);
else
- logger(DEBUG_ALWAYS, LOG_ERR, "Error trying to rename invitation %s\n", cookie);
+ logger(mesh, MESHLINK_ERROR, "Error trying to rename invitation %s\n", cookie);
return false;
}
// Open the renamed file
FILE *f = fopen(usedname, "r");
if(!f) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error trying to open invitation %s\n", cookie);
+ logger(mesh, MESHLINK_ERROR, "Error trying to open invitation %s\n", cookie);
return false;
}
buf[len] = 0;
if(!*buf || !*name || strcasecmp(buf, "Name") || !check_id(name)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Invalid invitation file %s\n", cookie);
+ logger(mesh, MESHLINK_ERROR, "Invalid invitation file %s\n", cookie);
fclose(f);
return false;
}
c->status.invitation_used = true;
- logger(DEBUG_CONNECTIONS, LOG_INFO, "Invitation %s succesfully sent to %s (%s)", cookie, c->name, c->hostname);
+ logger(mesh, MESHLINK_INFO, "Invitation %s succesfully sent to %s (%s)", cookie, c->name, c->hostname);
return true;
}
char name[MAX_STRING_SIZE];
if(sscanf(request, "%*d " MAX_STRING " %d.%d", name, &c->protocol_major, &c->protocol_minor) < 2) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "ID", c->name,
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s (%s)", "ID", c->name,
c->hostname);
return false;
}
if(name[0] == '?') {
if(!mesh->invitation_key) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Got invitation from %s but we don't have an invitation key", c->hostname);
+ logger(mesh, MESHLINK_ERROR, "Got invitation from %s but we don't have an invitation key", c->hostname);
return false;
}
c->ecdsa = ecdsa_set_base64_public_key(name + 1);
if(!c->ecdsa) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Got bad invitation from %s", c->hostname);
+ logger(mesh, MESHLINK_ERROR, "Got bad invitation from %s", c->hostname);
return false;
}
/* Check if identity is a valid name */
if(!check_id(name)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s): %s", "ID", c->name,
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s (%s): %s", "ID", c->name,
c->hostname, "invalid name");
return false;
}
if(c->outgoing) {
if(strcmp(c->name, name)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s is %s instead of %s", c->hostname, name,
+ logger(mesh, MESHLINK_ERROR, "Peer %s is %s instead of %s", c->hostname, name,
c->name);
return false;
}
/* Check if version matches */
if(c->protocol_major != mesh->self->connection->protocol_major) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s (%s) uses incompatible version %d.%d",
+ logger(mesh, MESHLINK_ERROR, "Peer %s (%s) uses incompatible version %d.%d",
c->name, c->hostname, c->protocol_major, c->protocol_minor);
return false;
}
init_configuration(&c->config_tree);
if(!read_host_config(mesh, c->config_tree, c->name)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s had unknown identity (%s)", c->hostname, c->name);
+ logger(mesh, MESHLINK_ERROR, "Peer %s had unknown identity (%s)", c->hostname, c->name);
return false;
}
+ }
- read_ecdsa_public_key(mesh, c);
- } else {
- if(c->protocol_minor && !ecdsa_active(c->ecdsa))
- c->protocol_minor = 1;
+ read_ecdsa_public_key(mesh, c);
+
+ if(!ecdsa_active(c->ecdsa)) {
+ logger(mesh, MESHLINK_ERROR, "No key known for peer %s (%s)", c->name, c->hostname);
+
+ node_t *n = lookup_node(mesh, c->name);
+ if(n && !n->status.waitingforkey) {
+ logger(mesh, MESHLINK_INFO, "Requesting key from peer %s (%s)", c->name, c->hostname);
+ send_req_key(mesh, n);
+ }
+
+ return false;
}
/* Forbid version rollback for nodes whose ECDSA key we know */
if(ecdsa_active(c->ecdsa) && c->protocol_minor < 2) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s (%s) tries to roll back protocol version to %d.%d",
+ logger(mesh, MESHLINK_ERROR, "Peer %s (%s) tries to roll back protocol version to %d.%d",
c->name, c->hostname, c->protocol_major, c->protocol_minor);
return false;
}
}
bool send_ack(meshlink_handle_t *mesh, connection_t *c) {
- /* ACK message contains rest of the information the other end needs
- to create node_t and edge_t structures. */
-
- struct timeval now;
- bool choice;
-
- /* Estimate weight */
-
- gettimeofday(&now, NULL);
- c->estimated_weight = (now.tv_sec - c->start.tv_sec) * 1000 + (now.tv_usec - c->start.tv_usec) / 1000;
/* Check some options */
if(mesh->self->options & OPTION_PMTU_DISCOVERY)
c->options |= OPTION_PMTU_DISCOVERY;
- return send_request(mesh, c, "%d %s %d %x", ACK, mesh->myport, c->estimated_weight, (c->options & 0xffffff) | (PROT_MINOR << 24));
+ return send_request(mesh, c, "%d %s %d %x", ACK, mesh->myport, mesh->devclass, (c->options & 0xffffff) | (PROT_MINOR << 24));
}
static void send_everything(meshlink_handle_t *mesh, connection_t *c) {
bool ack_h(meshlink_handle_t *mesh, connection_t *c, const char *request) {
char hisport[MAX_STRING_SIZE];
char *hisaddress;
- int weight, mtu;
+ int devclass;
uint32_t options;
node_t *n;
- bool choice;
- if(sscanf(request, "%*d " MAX_STRING " %d %x", hisport, &weight, &options) != 3) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "ACK", c->name,
+ if(sscanf(request, "%*d " MAX_STRING " %d %x", hisport, &devclass, &options) != 3) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s (%s)", "ACK", c->name,
c->hostname);
return false;
}
+ if(devclass < 0 || devclass > _DEV_CLASS_MAX) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s (%s): %s", "ACK", c->name,
+ c->hostname, "devclass invalid");
+ return false;
+ }
+
/* Check if we already have a node_t for him */
n = lookup_node(mesh, c->name);
} else {
if(n->connection) {
/* Oh dear, we already have a connection to this node. */
- logger(DEBUG_CONNECTIONS, LOG_DEBUG, "Established a second connection with %s (%s), closing old connection", n->connection->name, n->connection->hostname);
+ logger(mesh, MESHLINK_DEBUG, "Established a second connection with %s (%s), closing old connection", n->connection->name, n->connection->hostname);
if(n->connection->outgoing) {
if(c->outgoing)
- logger(DEBUG_ALWAYS, LOG_WARNING, "Two outgoing connections to the same node!");
+ logger(mesh, MESHLINK_WARNING, "Two outgoing connections to the same node!");
else
c->outgoing = n->connection->outgoing;
}
}
+ n->devclass = devclass;
+ node_write_devclass(mesh, n);
+
+ n->last_successfull_connection = time(NULL);
+
n->connection = c;
c->node = n;
if(!(c->options & options & OPTION_PMTU_DISCOVERY)) {
c->allow_request = ALL;
c->status.active = true;
- logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Connection with %s (%s) activated", c->name,
+ logger(mesh, MESHLINK_INFO, "Connection with %s (%s) activated", c->name,
c->hostname);
/* Send him everything we know */
/* Create an edge_t for this connection */
+ assert(devclass >= 0 && devclass <= _DEV_CLASS_MAX);
+
c->edge = new_edge();
c->edge->from = mesh->self;
c->edge->to = n;
sockaddr2str(&c->address, &hisaddress, NULL);
c->edge->address = str2sockaddr(hisaddress, hisport);
free(hisaddress);
- c->edge->weight = (weight + c->estimated_weight) / 2;
+ c->edge->weight = dev_class_traits[devclass].edge_weight;
c->edge->connection = c;
c->edge->options = c->options;