/*
libmeshlink.h -- Tincd Library
- Copyright (C) 2014 Guus Sliepen <guus@tinc-vpn.org> Saverio Proto <zioproto@gmail.com>
+ Copyright (C) 2014 Guus Sliepen <guus@meshlink.io> Saverio Proto <zioproto@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "libmeshlink.h"
-#include LZO1X_H
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
+#include "system.h"
+
+#include <pthread.h>
+
+#include "connection.h"
#include "crypto.h"
#include "ecdsagen.h"
+#include "edge.h"
+#include "libmeshlink.h"
+#include "net.h"
+#include "node.h"
+#include "protocol.h"
+
char *hosts_dir = NULL;
+recvdata_cb_t recv_callback;
static char *name = NULL;
char *tinc_conf = NULL;
static bool tty = false;
static bool do_mlock = false;
#endif
-/*
- initialize network
-*/
-bool setup_meshlink_network(void) {
- init_connections();
- init_nodes();
- init_edges();
- init_requests();
-
- if(get_config_int(lookup_config(config_tree, "PingInterval"), &pinginterval)) {
- if(pinginterval < 1) {
- pinginterval = 86400;
- }
- } else
- pinginterval = 60;
-
- if(!get_config_int(lookup_config(config_tree, "PingTimeout"), &pingtimeout))
- pingtimeout = 5;
- if(pingtimeout < 1 || pingtimeout > pinginterval)
- pingtimeout = pinginterval;
-
- //TODO: check if this makes sense in libmeshlink
- if(!get_config_int(lookup_config(config_tree, "MaxOutputBufferSize"), &maxoutbufsize))
- maxoutbufsize = 10 * MTU;
-
- if(!setup_myself())
- return false;
-
- return true;
-}
-
/* Open a file with the desired permissions, minus the umask.
Also, if we want to create an executable file, we call fchmod()
to set the executable bits. */
return true;
}
-/*
- Generate a public/private RSA keypair, and ask for a file to store
- them in.
-*/
-bool rsa_keygen(int bits, bool ask) {
- rsa_t *key;
- FILE *f;
- char *pubname, *privname;
-
- fprintf(stderr, "Generating %d bits keys:\n", bits);
-
- if(!(key = rsa_generate(bits, 0x10001))) {
- fprintf(stderr, "Error during key generation!\n");
- return false;
- } else
- fprintf(stderr, "Done.\n");
-
- xasprintf(&privname, "%s" SLASH "rsa_key.priv", confbase);
- f = ask_and_open(privname, "private RSA key", "a", ask, 0600);
- free(privname);
-
- if(!f)
- return false;
-
- if(!rsa_write_pem_private_key(key, f)) {
- fprintf(stderr, "Error writing private key!\n");
- fclose(f);
- rsa_free(key);
- return false;
- }
-
- fclose(f);
-
- if(name)
- xasprintf(&pubname, "%s" SLASH "hosts" SLASH "%s", confbase, name);
- else
- xasprintf(&pubname, "%s" SLASH "rsa_key.pub", confbase);
-
- f = ask_and_open(pubname, "public RSA key", "a", ask, 0666);
- free(pubname);
-
- if(!f)
- return false;
-
- if(!rsa_write_pem_public_key(key, f)) {
- fprintf(stderr, "Error writing public key!\n");
- fclose(f);
- rsa_free(key);
- return false;
- }
-
- fclose(f);
- rsa_free(key);
-
- return true;
-}
-
static bool try_bind(int port) {
struct addrinfo *ai = NULL;
struct addrinfo hint = {
return true;
}
-int check_port(char *name) {
+int check_port(const char *name) {
if(try_bind(655))
return 655;
fprintf(f, "Name = %s\n", name);
fclose(f);
- if(!rsa_keygen(2048, false) || !ecdsa_keygen(false))
+ if(!ecdsa_keygen(false))
return false;
check_port(name);
bool tinc_start(const char* confbaseapi) {
pthread_t tincThread;
- confbase = confbaseapi;
- pthread_create(&tincThread,NULL,tinc_main_thread,confbaseapi);
+ confbase = xstrdup(confbaseapi);
+ pthread_create(&tincThread,NULL,tinc_main_thread,confbase);
pthread_detach(tincThread);
return true;
}
-bool tinc_main_thread(void * in) {
- static bool status = false;
+__attribute__((constructor)) static void meshlink_init(void) {
+ /* Slllluuuuuuurrrrp! */
+
+ gettimeofday(&now, NULL);
+ srand(now.tv_sec + now.tv_usec);
+ crypto_init();
+}
+__attribute__((destructor)) static void meshlink_exit(void) {
+ crypto_exit();
+}
+
+
+void *tinc_main_thread(void * in) {
+ static bool status = false;
/* If nonzero, write log entries to a separate file. */
bool use_logfile = false;
init_configuration(&config_tree);
- /* Slllluuuuuuurrrrp! */
-
- gettimeofday(&now, NULL);
- srand(now.tv_sec + now.tv_usec);
- crypto_init();
-
if(!read_server_config())
return false;
-#ifdef HAVE_LZO
- if(lzo_init() != LZO_E_OK) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error initializing LZO compressor!");
- return false;
- }
-#endif
-
//char *priority = NULL; //shoud be not needed in libmeshlink
-#ifdef HAVE_MLOCKALL
- /* Lock all pages into memory if requested.
- * This has to be done after daemon()/fork() so it works for child.
- * No need to do that in parent as it's very short-lived. */
- if(do_mlock && mlockall(MCL_CURRENT | MCL_FUTURE) != 0) {
- logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "mlockall",
- strerror(errno));
- return 1;
- }
-#endif
-
/* Setup sockets and open device. */
- if(!setup_meshlink_network())
+ if(!setup_network())
goto end;
- /* Change process priority */
- //should be not needed in libmeshlink
- //if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) {
- // if(!strcasecmp(priority, "Normal")) {
- // if (setpriority(NORMAL_PRIORITY_CLASS) != 0) {
- // logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
- // goto end;
- // }
- // } else if(!strcasecmp(priority, "Low")) {
- // if (setpriority(BELOW_NORMAL_PRIORITY_CLASS) != 0) {
- // logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
- // goto end;
- // }
- // } else if(!strcasecmp(priority, "High")) {
- // if (setpriority(HIGH_PRIORITY_CLASS) != 0) {
- // logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
- // goto end;
- // }
- // } else {
- // logger(DEBUG_ALWAYS, LOG_ERR, "Invalid priority `%s`!", priority);
- // goto end;
- // }
- //}
-
- /* drop privileges */
- //if (!drop_privs())
- // goto end;
-
/* Start main loop. It only exits when tinc is killed. */
logger(DEBUG_ALWAYS, LOG_NOTICE, "Ready");
//free(priority);
- crypto_exit();
-
exit_configuration(&config_tree);
- free(cmdline_conf);
-
- return status;
+ return (void *)status;
}
bool tinc_stop();
-bool route_meshlink(node_t *source,vpn_packet_t *packet) {
-
- printf("data %s\n",packet->data);
- printf("data 11%s\n",packet->data+11);
- printf("data 32%s\n",packet->data+32);
- node_t* owner = NULL;
-
- tincpackethdr* hdr = (tincpackethdr*)packet->data;
- owner = lookup_node(hdr->destination);
-
- if (owner == NULL) {
- //Lookup failed
- printf("NULL\n");
- return false;
- }
- printf("lookupnode %s\n",owner->name);
-
- if(!owner->status.reachable) {
- //Do some here
- return false;
- }
-
- //TODO: I skipped here a lot of checks !
-
- send_packet(owner,packet);
-
-}
// can be called from any thread
bool tinc_send_packet(node_t *receiver, const char* buf, unsigned int len) {
vpn_packet_t packet;
- tincpackethdr* hdr = malloc(sizeof(tincpackethdr));
-
- if (sizeof(hdr) + len > MAXSIZE) {
+ tincpackethdr* hdr = (tincpackethdr *)packet.data;
+ if (sizeof(tincpackethdr) + len > MAXSIZE) {
//log something
return false;
}
+ packet.probe = false;
+ memset(hdr, 0, sizeof *hdr);
memcpy(hdr->destination,receiver->name,sizeof(hdr->destination));
- memcpy(hdr->source,myself->name,sizeof(hdr->source));
+ memcpy(hdr->source,mesh->self->name,sizeof(hdr->source));
- packet.priority = 0;
packet.len = sizeof(tincpackethdr) + len;
+ memcpy(packet.data+sizeof(tincpackethdr),buf,len);
- memcpy(packet.data,hdr,32);
- memcpy(packet.data+32,buf,len);
-
- myself->in_packets++;
- myself->in_bytes += packet.len;
- route_meshlink(myself, &packet);
+ mesh->self->in_packets++;
+ mesh->self->in_bytes += packet.len;
+ route(mesh->self, &packet);
return true;
}
*/
bool tinc_blacklist(node_t *host);
-
+void recvdata_register_cb(recvdata_cb_t cb) {
+recv_callback = cb;
+};
projects / meshlink / blobdiff