+ // Open the renamed file
+ FILE *f = fopen(usedname, "r");
+
+ if(!f) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error trying to open invitation %s\n", cookie);
+ return false;
+ }
+
+ // Read the new node's Name from the file
+ char buf[1024] = "";
+
+ if(!fgets(buf, sizeof(buf), f)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not read invitation file %s\n", cookie);
+ fclose(f);
+ return false;
+ }
+
+ size_t buflen = strlen(buf);
+
+ // Strip whitespace at the end
+ while(buflen && strchr(" \t\r\n", buf[buflen - 1])) {
+ buf[--buflen] = 0;
+ }
+
+ // Split the first line into variable and value
+ len = strcspn(buf, " \t=");
+ char *name = buf + len;
+ name += strspn(name, " \t");
+
+ if(*name == '=') {
+ name++;
+ name += strspn(name, " \t");
+ }
+
+ buf[len] = 0;
+
+ // Check that it is a valid Name
+ if(!*buf || !*name || strcasecmp(buf, "Name") || !check_id(name) || !strcmp(name, myself->name)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid invitation file %s\n", cookie);
+ fclose(f);
+ return false;
+ }
+
+ free(c->name);
+ c->name = xstrdup(name);
+
+ // Send the node the contents of the invitation file
+ rewind(f);
+ size_t result;
+
+ while((result = fread(buf, 1, sizeof(buf), f))) {
+ sptps_send_record(&c->sptps, 0, buf, result);
+ }
+
+ if(!feof(f)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not read invitation file %s\n", cookie);
+ fclose(f);
+ return false;
+ }
+
+ sptps_send_record(&c->sptps, 1, buf, 0);
+ fclose(f);
+ unlink(usedname);
+
+ c->status.invitation_used = true;
+
+ logger(DEBUG_CONNECTIONS, LOG_INFO, "Invitation %s successfully sent to %s (%s)", cookie, c->name, c->hostname);
+ return true;
+}
+
+bool id_h(connection_t *c, const char *request) {
+ char name[MAX_STRING_SIZE];
+
+ if(sscanf(request, "%*d " MAX_STRING " %2d.%3d", name, &c->protocol_major, &c->protocol_minor) < 2) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "ID", c->name,
+ c->hostname);
+ return false;
+ }
+
+ /* Check if this is a control connection */
+
+ if(name[0] == '^' && !strcmp(name + 1, controlcookie)) {
+ c->status.control = true;
+ c->allow_request = CONTROL;
+ c->last_ping_time = now.tv_sec + 3600;
+
+ free(c->name);
+ c->name = xstrdup("<control>");
+
+ if(!c->outgoing) {
+ send_id(c);
+ }
+
+ return send_request(c, "%d %d %d", ACK, TINC_CTL_VERSION_CURRENT, getpid());
+ }
+
+ if(name[0] == '?') {
+ if(!invitation_key) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "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);
+ return false;
+ }
+
+ c->status.invitation = true;
+ char *mykey = ecdsa_get_base64_public_key(invitation_key);
+
+ if(!mykey) {
+ return false;
+ }
+
+ if(!c->outgoing) {
+ send_id(c);
+ }
+
+ if(!send_request(c, "%d %s", ACK, mykey)) {
+ return false;
+ }
+
+ free(mykey);
+
+ c->protocol_minor = 2;
+
+ return sptps_start(&c->sptps, c, false, false, invitation_key, c->ecdsa, "tinc invitation", 15, send_meta_sptps, receive_invitation_sptps);
+ }
+