summaryrefslogtreecommitdiff
path: root/src/ipcpd/unicast/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/ipcpd/unicast/main.c')
-rw-r--r--src/ipcpd/unicast/main.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/main.c b/src/ipcpd/unicast/main.c
new file mode 100644
index 00000000..e6cb2994
--- /dev/null
+++ b/src/ipcpd/unicast/main.c
@@ -0,0 +1,351 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2024
+ *
+ * Unicast IPC Process
+ *
+ * Dimitri Staessens <dimitri@ouroboros.rocks>
+ * Sander Vrijders <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#if defined(__linux__) || defined(__CYGWIN__)
+#define _DEFAULT_SOURCE
+#else
+#define _POSIX_C_SOURCE 200809L
+#endif
+
+#include "config.h"
+
+#define OUROBOROS_PREFIX "unicast-ipcp"
+#define THIS_TYPE IPCP_UNICAST
+
+#include <ouroboros/errno.h>
+#include <ouroboros/ipcp-dev.h>
+#include <ouroboros/logs.h>
+#include <ouroboros/notifier.h>
+#include <ouroboros/random.h>
+#include <ouroboros/rib.h>
+#include <ouroboros/time.h>
+
+#include "common/connmgr.h"
+#include "common/enroll.h"
+#include "addr-auth.h"
+#include "ca.h"
+#include "dir.h"
+#include "dt.h"
+#include "fa.h"
+#include "ipcp.h"
+
+#include <stdbool.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <inttypes.h>
+
+struct ipcp ipcpi;
+
+static int initialize_components(const struct ipcp_config * conf)
+{
+ strcpy(ipcpi.layer_name, conf->layer_info.name);
+ ipcpi.dir_hash_algo = (enum hash_algo) conf->layer_info.dir_hash_algo;
+
+ assert(ipcp_dir_hash_len() != 0);
+
+ if (addr_auth_init(conf->unicast.addr_auth_type,
+ &conf->unicast.dt.addr_size)) {
+ log_err("Failed to init address authority.");
+ goto fail_addr_auth;
+ }
+
+ ipcpi.dt_addr = addr_auth_address();
+ if (ipcpi.dt_addr == 0) {
+ log_err("Failed to get a valid address.");
+ goto fail_addr_auth;
+ }
+
+ log_info("IPCP got address %" PRIu64 ".", ipcpi.dt_addr);
+
+ if (ca_init(conf->unicast.cong_avoid)) {
+ log_err("Failed to initialize congestion avoidance.");
+ goto fail_ca;
+ }
+
+ if (dt_init(conf->unicast.dt)) {
+ log_err("Failed to initialize data transfer component.");
+ goto fail_dt;
+ }
+
+ if (fa_init()) {
+ log_err("Failed to initialize flow allocator component.");
+ goto fail_fa;
+ }
+
+ if (dir_init()) {
+ log_err("Failed to initialize directory.");
+ goto fail_dir;
+ }
+
+ ipcp_set_state(IPCP_INIT);
+
+ return 0;
+
+ fail_dir:
+ fa_fini();
+ fail_fa:
+ dt_fini();
+ fail_dt:
+ ca_fini();
+ fail_ca:
+ addr_auth_fini();
+ fail_addr_auth:
+ return -1;
+}
+
+static void finalize_components(void)
+{
+ dir_fini();
+
+ fa_fini();
+
+ dt_fini();
+
+ ca_fini();
+
+ addr_auth_fini();
+}
+
+static int start_components(void)
+{
+ if (dt_start() < 0) {
+ log_err("Failed to start data transfer.");
+ goto fail_dt_start;
+ }
+
+ if (fa_start() < 0) {
+ log_err("Failed to start flow allocator.");
+ goto fail_fa_start;
+ }
+
+ if (enroll_start() < 0) {
+ log_err("Failed to start enrollment.");
+ goto fail_enroll_start;
+ }
+
+ if (connmgr_start() < 0) {
+ log_err("Failed to start AP connection manager.");
+ goto fail_connmgr_start;
+ }
+
+ return 0;
+
+ fail_connmgr_start:
+ enroll_stop();
+ fail_enroll_start:
+ fa_stop();
+ fail_fa_start:
+ dt_stop();
+ fail_dt_start:
+ ipcp_set_state(IPCP_INIT);
+ return -1;
+}
+
+static void stop_components(void)
+{
+ connmgr_stop();
+
+ enroll_stop();
+
+ fa_stop();
+
+ dt_stop();
+
+ ipcp_set_state(IPCP_INIT);
+}
+
+static int bootstrap_components(void)
+{
+ if (dir_bootstrap()) {
+ log_err("Failed to bootstrap directory.");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int unicast_ipcp_enroll(const char * dst,
+ struct layer_info * info)
+{
+ struct conn conn;
+ uint8_t id[ENROLL_ID_LEN];
+
+ if (random_buffer(id, ENROLL_ID_LEN) < 0) {
+ log_err("Failed to generate enrollment ID.");
+ goto fail_id;
+ }
+
+ log_info_id(id, "Requesting enrollment.");
+
+ if (connmgr_alloc(COMPID_ENROLL, dst, NULL, &conn) < 0) {
+ log_err_id(id, "Failed to get connection.");
+ goto fail_id;
+ }
+
+ /* Get boot state from peer. */
+ if (enroll_boot(&conn, id) < 0) {
+ log_err_id(id, "Failed to get boot information.");
+ goto fail_enroll_boot;
+ }
+
+ if (initialize_components(enroll_get_conf()) < 0) {
+ log_err_id(id, "Failed to initialize components.");
+ goto fail_enroll_boot;
+ }
+
+ if (start_components() < 0) {
+ log_err_id(id, "Failed to start components.");
+ goto fail_start_comp;
+ }
+
+ if (enroll_ack(&conn, id, 0) < 0)
+ log_err_id(id, "Failed to confirm enrollment.");
+
+ if (connmgr_dealloc(COMPID_ENROLL, &conn) < 0)
+ log_warn_id(id, "Failed to dealloc enrollment flow.");
+
+ log_info_id(id, "Enrolled with %s.", dst);
+
+ info->dir_hash_algo = (enum pol_dir_hash) ipcpi.dir_hash_algo;
+ strcpy(info->name, ipcpi.layer_name);
+
+ return 0;
+
+ fail_start_comp:
+ finalize_components();
+ fail_enroll_boot:
+ connmgr_dealloc(COMPID_ENROLL, &conn);
+ fail_id:
+ return -1;
+}
+
+static int unicast_ipcp_bootstrap(const struct ipcp_config * conf)
+{
+ assert(conf);
+ assert(conf->type == THIS_TYPE);
+
+ enroll_bootstrap(conf);
+
+ if (initialize_components(conf) < 0) {
+ log_err("Failed to init IPCP components.");
+ goto fail_init;
+ }
+
+ if (start_components() < 0) {
+ log_err("Failed to init IPCP components.");
+ goto fail_start;
+ }
+
+ if (bootstrap_components() < 0) {
+ log_err("Failed to bootstrap IPCP components.");
+ goto fail_bootstrap;
+ }
+
+ return 0;
+
+ fail_bootstrap:
+ stop_components();
+ fail_start:
+ finalize_components();
+ fail_init:
+ return -1;
+}
+
+static int unicast_ipcp_query(const uint8_t * dst)
+{
+ return dir_query(dst) ? 0 : -1;
+}
+
+static struct ipcp_ops unicast_ops = {
+ .ipcp_bootstrap = unicast_ipcp_bootstrap,
+ .ipcp_enroll = unicast_ipcp_enroll,
+ .ipcp_connect = connmgr_ipcp_connect,
+ .ipcp_disconnect = connmgr_ipcp_disconnect,
+ .ipcp_reg = dir_reg,
+ .ipcp_unreg = dir_unreg,
+ .ipcp_query = unicast_ipcp_query,
+ .ipcp_flow_alloc = fa_alloc,
+ .ipcp_flow_join = NULL,
+ .ipcp_flow_alloc_resp = fa_alloc_resp,
+ .ipcp_flow_dealloc = fa_dealloc
+};
+
+int main(int argc,
+ char * argv[])
+{
+ if (ipcp_init(argc, argv, &unicast_ops, THIS_TYPE) < 0) {
+ log_err("Failed to init IPCP.");
+ goto fail_init;
+ }
+
+ if (notifier_init() < 0) {
+ log_err("Failed to initialize notifier component.");
+ goto fail_notifier_init;
+ }
+
+ if (connmgr_init() < 0) {
+ log_err("Failed to initialize connection manager.");
+ goto fail_connmgr_init;
+ }
+
+ if (enroll_init() < 0) {
+ log_err("Failed to initialize enrollment component.");
+ goto fail_enroll_init;
+ }
+
+ if (ipcp_start() < 0) {
+ log_err("Failed to start IPCP.");
+ goto fail_start;
+ }
+
+ ipcp_sigwait();
+
+ if (ipcp_get_state() == IPCP_SHUTDOWN) {
+ stop_components();
+ finalize_components();
+ }
+
+ ipcp_stop();
+
+ enroll_fini();
+
+ connmgr_fini();
+
+ notifier_fini();
+
+ ipcp_fini();
+
+ exit(EXIT_SUCCESS);
+
+ fail_start:
+ enroll_fini();
+ fail_enroll_init:
+ connmgr_fini();
+ fail_connmgr_init:
+ notifier_fini();
+ fail_notifier_init:
+ ipcp_fini();
+ fail_init:
+ exit(EXIT_FAILURE);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-05 21:41:52 +0000