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-rw-r--r--src/ipcpd/shim-udp/CMakeLists.txt31
-rw-r--r--src/ipcpd/shim-udp/main.c324
-rw-r--r--src/ipcpd/shim-udp/tests/CMakeLists.txt33
-rw-r--r--src/ipcpd/shim-udp/tests/shim_udp_test.c103
4 files changed, 491 insertions, 0 deletions
diff --git a/src/ipcpd/shim-udp/CMakeLists.txt b/src/ipcpd/shim-udp/CMakeLists.txt
new file mode 100644
index 00000000..27907880
--- /dev/null
+++ b/src/ipcpd/shim-udp/CMakeLists.txt
@@ -0,0 +1,31 @@
+get_filename_component(CURRENT_SOURCE_PARENT_DIR ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(CURRENT_BINARY_PARENT_DIR ${CMAKE_CURRENT_BINARY_DIR} DIRECTORY)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+include_directories(${CURRENT_SOURCE_PARENT_DIR})
+include_directories(${CURRENT_BINARY_PARENT_DIR})
+
+include_directories(${CMAKE_SOURCE_DIR}/include)
+include_directories(${CMAKE_BINARY_DIR}/include)
+
+SET(IPCP_SHIM_UDP_TARGET ipcpd-shim-udp CACHE STRING "IPCP_SHIM_UDP_TARGET")
+
+set(SHIM_UDP_SOURCES
+ # Add source files here
+ ${CMAKE_CURRENT_SOURCE_DIR}/main.c
+)
+
+add_executable (ipcpd-shim-udp ${SHIM_UDP_SOURCES} ${IPCP_SOURCES})
+target_link_libraries (ipcpd-shim-udp LINK_PUBLIC ouroboros)
+
+include(MacroAddCompileFlags)
+if (CMAKE_BUILD_TYPE MATCHES Debug)
+ MACRO_ADD_COMPILE_FLAGS(ipcpd-shim-udp -DCONFIG_OUROBOROS_DEBUG)
+endif (CMAKE_BUILD_TYPE MATCHES Debug)
+
+install(TARGETS ipcpd-shim-udp RUNTIME DESTINATION bin)
+
+# Enable once ipcp-shim-udp has tests
+add_subdirectory(tests)
diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
new file mode 100644
index 00000000..df731490
--- /dev/null
+++ b/src/ipcpd/shim-udp/main.c
@@ -0,0 +1,324 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Shim IPC process over UDP
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <ouroboros/config.h>
+
+#include "ipcp.h"
+#include "flow.h"
+#include <ouroboros/shm_du_map.h>
+#include <ouroboros/list.h>
+#include <ouroboros/utils.h>
+#include <ouroboros/ipcp.h>
+#include <ouroboros/dif_config.h>
+
+#define OUROBOROS_PREFIX "ipcpd/shim-udp"
+
+#include <ouroboros/logs.h>
+
+#include <string.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+#define THIS_TYPE IPCP_SHIM_UDP
+
+#define shim_data(type) ((struct ipcp_udp_data *) type->data)
+
+/* global for trapping signal */
+int irmd_pid;
+
+/* this IPCP's data */
+#ifdef MAKE_CHECK
+extern struct ipcp * _ipcp; /* defined in test */
+#else
+struct ipcp * _ipcp;
+#endif
+
+struct ipcp_udp_data {
+ /* IPCP_DATA STRUCT MUST BE FIRST!! */
+ struct ipcp_data ipcp_data;
+
+ uint32_t ip_addr;
+ uint32_t dns_addr;
+
+ pthread_mutex_t lock;
+};
+
+struct udp_flow {
+ /* FLOW MUST BE FIRST !!!! */
+ flow_t flow;
+
+ uint16_t localport;
+
+ struct sockaddr_in * remote;
+ int fd;
+};
+
+void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
+{
+ switch(sig) {
+ case SIGINT:
+ case SIGTERM:
+ case SIGHUP:
+ LOG_DBG("Terminating by order of %d. Bye.", info->si_pid);
+ if (info->si_pid == irmd_pid) {
+ shm_du_map_close(_ipcp->data->dum);
+ exit(0);
+ }
+ default:
+ return;
+ }
+}
+
+struct ipcp_udp_data * ipcp_udp_data_create(char * ap_name,
+ char * ap_id)
+{
+ struct ipcp_udp_data * udp_data;
+ struct ipcp_data * data;
+ instance_name_t * instance_name;
+ enum ipcp_type ipcp_type;
+
+ instance_name = instance_name_create();
+ if (instance_name == NULL) {
+ LOG_ERR("Failed to create instance name struct.");
+ return NULL;
+ }
+
+ instance_name = instance_name_init_with(
+ instance_name, ap_name, (uint16_t)atoi(ap_id));
+
+ if (instance_name == NULL) {
+ LOG_ERR("Failed to create instance name struct.");
+ return NULL;
+ }
+
+ udp_data= malloc (sizeof *udp_data);
+ if (udp_data == NULL) {
+ LOG_DBGF("Failed to allocate.");
+ return NULL;
+ }
+
+ ipcp_type = THIS_TYPE;
+ data = (struct ipcp_data *) udp_data;
+ if (ipcp_data_init(data, instance_name, ipcp_type) == NULL) {
+ free(udp_data);
+ return NULL;
+ }
+
+ return udp_data;
+}
+
+int ipcp_udp_bootstrap(struct dif_config * conf)
+{
+ char ipstr[INET_ADDRSTRLEN];
+ char dnsstr[INET_ADDRSTRLEN];
+
+ if (conf->type != THIS_TYPE) {
+ LOG_ERR("Config doesn't match IPCP type.");
+ return -1;
+ }
+
+ if (_ipcp->state != IPCP_INIT) {
+ LOG_ERR("IPCP in wrong state.");
+ return -1;
+ }
+
+ inet_ntop(AF_INET,
+ &conf->ip_addr,
+ ipstr,
+ INET_ADDRSTRLEN);
+
+ if (conf->dns_addr != 0)
+ inet_ntop(AF_INET,
+ &conf->dns_addr,
+ dnsstr,
+ INET_ADDRSTRLEN);
+ else
+ strcpy(dnsstr, "not set");
+
+ shim_data(_ipcp)->ip_addr = conf->ip_addr;
+ shim_data(_ipcp)->dns_addr = conf->dns_addr;
+
+ _ipcp->state = IPCP_ENROLLED;
+
+ LOG_DBG("Bootstrapped shim IPCP over UDP %s-%d.",
+ _ipcp->data->iname->name, _ipcp->data->iname->id);
+
+ LOG_DBG("Bound to IP address %s.", ipstr);
+ LOG_DBG("DNS server address is %s.", dnsstr);
+
+ return 0;
+}
+
+int ipcp_udp_ap_reg(char * ap_name, uint32_t reg_ap_id)
+{
+ LOG_DBG("Registering local ap %s, %u.", ap_name, reg_ap_id);
+
+ if (_ipcp->state != IPCP_ENROLLED) {
+ LOG_DBGF("Won't register with non-enrolled IPCP.");
+ return -1;
+ }
+
+ if (ipcp_data_add_reg_entry(_ipcp->data, ap_name, reg_ap_id)) {
+ LOG_ERR("Failed to add AP to local registry.");
+ return -1;
+ }
+
+ LOG_MISSING;
+
+ return 0;
+}
+
+int ipcp_udp_ap_unreg(uint32_t reg_ap_id)
+{
+ char * name = strdup(ipcp_data_get_reg_ap_name(_ipcp->data,
+ reg_ap_id));
+ LOG_DBG("Unregistering %s.", name);
+
+ ipcp_data_del_reg_entry(_ipcp->data, reg_ap_id);
+
+ /* we are using dns */
+ LOG_MISSING;
+
+ free (name);
+
+ return 0;
+}
+
+int ipcp_udp_flow_alloc(uint32_t port_id,
+ char * dst_ap_name,
+ char * src_ap_name,
+ char * src_ae_name,
+ struct qos_spec * qos)
+{
+ return 0;
+}
+int ipcp_udp_flow_alloc_resp(uint32_t port_id,
+ int result)
+{
+ return 0;
+}
+
+int ipcp_udp_flow_dealloc(uint32_t port_id)
+{
+ return 0;
+}
+
+int ipcp_udp_du_write(uint32_t port_id,
+ size_t map_index)
+{
+ return 0;
+}
+
+int ipcp_udp_du_read(uint32_t port_id,
+ size_t map_index)
+{
+ return 0;
+}
+
+struct ipcp * ipcp_udp_create(char * ap_name, char * i_id)
+{
+ struct ipcp * i;
+ struct ipcp_udp_data * data;
+ struct ipcp_ops * ops;
+
+ i = malloc(sizeof *i);
+ if (i == NULL)
+ return NULL;
+
+ data = ipcp_udp_data_create(ap_name, i_id);
+ if (data == NULL) {
+ free(i);
+ return NULL;
+ }
+
+ ops = malloc (sizeof *ops);
+ if (ops == NULL) {
+ free(data);
+ free(i);
+ return NULL;
+ }
+
+ ops->ipcp_bootstrap = ipcp_udp_bootstrap;
+ ops->ipcp_enroll = NULL; /* shim */
+ ops->ipcp_reg = NULL; /* shim */
+ ops->ipcp_unreg = NULL; /* shim */
+ ops->ipcp_ap_reg = ipcp_udp_ap_reg;
+ ops->ipcp_ap_unreg = ipcp_udp_ap_unreg;
+ ops->ipcp_flow_alloc = ipcp_udp_flow_alloc;
+ ops->ipcp_flow_alloc_resp = ipcp_udp_flow_alloc_resp;
+ ops->ipcp_flow_dealloc = ipcp_udp_flow_dealloc;
+ ops->ipcp_du_read = ipcp_udp_du_read;
+ ops->ipcp_du_write = ipcp_udp_du_write;
+
+ i->data = (struct ipcp_data *) data;
+ i->ops = ops;
+
+ i->state = IPCP_INIT;
+
+ return i;
+}
+
+#ifndef MAKE_CHECK
+
+int main (int argc, char * argv[])
+{
+ /* argument 1: pid of irmd ? */
+ /* argument 2: ap name */
+ /* argument 3: instance id */
+ struct sigaction sig_act;
+
+ if (ipcp_arg_check(argc, argv)) {
+ LOG_ERR("Wrong arguments.");
+ exit(1);
+ }
+
+ /* store the process id of the irmd */
+ irmd_pid = atoi(argv[1]);
+
+ /* init sig_act */
+ memset (&sig_act, 0, sizeof sig_act);
+
+ /* install signal traps */
+ sig_act.sa_sigaction = &ipcp_sig_handler;
+ sig_act.sa_flags = SA_SIGINFO;
+
+ sigaction(SIGINT, &sig_act, NULL);
+ sigaction(SIGTERM, &sig_act, NULL);
+ sigaction(SIGHUP, &sig_act, NULL);
+
+ _ipcp = ipcp_udp_create(argv[2], argv[3]);
+ if (_ipcp == NULL) {
+ LOG_ERR("Won't.");
+ exit(1);
+ }
+
+ ipcp_main_loop(_ipcp);
+
+ exit(0);
+}
+
+#endif /* MAKE_CHECK */
diff --git a/src/ipcpd/shim-udp/tests/CMakeLists.txt b/src/ipcpd/shim-udp/tests/CMakeLists.txt
new file mode 100644
index 00000000..bdd7defb
--- /dev/null
+++ b/src/ipcpd/shim-udp/tests/CMakeLists.txt
@@ -0,0 +1,33 @@
+get_filename_component(PARENT_SOURCE_PATH ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(PARENT_BINARY_PATH ${CMAKE_CURRENT_BINARY_DIR} DIRECTORY)
+get_filename_component(PARENT_DIR ${PARENT_SOURCE_PATH} NAME)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+include_directories(${PARENT_SOURCE_PATH})
+include_directories(${PARENT_BINARY_PATH})
+
+include_directories(${CMAKE_SOURCE_DIR}/include)
+include_directories(${CMAKE_BINARY_DIR}/include)
+
+create_test_sourcelist(${PARENT_DIR}_tests test_suite.c
+ # Add new tests here
+ shim_udp_test.c
+)
+
+add_executable(${PARENT_DIR}_test EXCLUDE_FROM_ALL ${IPCP_SOURCES} ${${PARENT_DIR}_tests})
+target_link_libraries(${PARENT_DIR}_test ouroboros)
+
+include(MacroAddCompileFlags)
+MACRO_ADD_COMPILE_FLAGS(${PARENT_DIR}_test -DMAKE_CHECK)
+
+add_dependencies(check ${PARENT_DIR}_test)
+
+set(tests_to_run ${${PARENT_DIR}_tests})
+remove(tests_to_run test_suite.c)
+
+foreach(test ${tests_to_run})
+ get_filename_component(test_name ${test} NAME_WE)
+ add_test(${test_name} ${C_TEST_PATH}/${PARENT_DIR}_test ${test_name})
+endforeach(test)
diff --git a/src/ipcpd/shim-udp/tests/shim_udp_test.c b/src/ipcpd/shim-udp/tests/shim_udp_test.c
new file mode 100644
index 00000000..427d0e1e
--- /dev/null
+++ b/src/ipcpd/shim-udp/tests/shim_udp_test.c
@@ -0,0 +1,103 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Test of the Shim UDP IPCP Daemon
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <ouroboros/config.h>
+#include <ouroboros/dif_config.h>
+#include <ouroboros/utils.h>
+#include <ouroboros/shm_du_map.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include "main.c"
+
+#include <ouroboros/logs.h>
+
+struct ipcp * _ipcp;
+
+int shim_udp_test(int argc, char ** argv)
+{
+ /* argument 1: pid of irmd ? */
+ /* argument 2: ap name */
+ /* argument 3: instance id */
+ struct shm_du_map * dum;
+ char * ipcp_name = "test-shim-ipcp";
+ char * i_id = "1";
+ int i = 0;
+
+ char bogus[15];
+ memset (&bogus, 0, 15);
+
+ struct dif_config conf;
+ memset (&conf, 0, sizeof conf);
+ conf.dif_name = strdup("test-dif");
+ conf.type = IPCP_SHIM_UDP;
+ conf.ip_addr = 0;
+
+ dum = shm_du_map_create();
+ if (dum == NULL) {
+ LOG_ERR("Failed to create shared memory.");
+ exit(1);
+ }
+
+ _ipcp = ipcp_udp_create(ipcp_name, i_id);
+ if (_ipcp == NULL) {
+ LOG_ERR("Could not instantiate shim IPCP.");
+ shm_du_map_close(dum);
+ exit(1);
+ }
+
+ if (ipcp_udp_bootstrap (&conf)) {
+ LOG_ERR("Could not bootstrap.");
+ }
+
+ if(ipcp_udp_ap_reg("bogus ap", 1865)) {
+ LOG_ERR("Failed to register application.");
+ shm_du_map_close(dum);
+ exit(1);
+ }
+
+ if (ipcp_udp_ap_unreg(1865)) {
+ LOG_ERR("Failed to unregister application.");
+ shm_du_map_close(dum);
+ exit(1);
+ }
+
+ for (i = 0; i < 1000; ++i) {
+ sprintf (bogus, "bogus ap %4d", i);
+ if(ipcp_udp_ap_reg(bogus, i)) {
+ LOG_ERR("Failed to register application %s.", bogus);
+ shm_du_map_close(dum);
+ exit(1);
+ }
+ }
+
+ for (i = 0; i < 1000; ++i) {
+ if(ipcp_udp_ap_unreg(i)) {
+ LOG_ERR("Failed to unregister application %d.", i);
+ shm_du_map_close(dum);
+ exit(1);
+ }
+ }
+
+ shm_du_map_close(dum);
+
+ exit(0);
+}
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