#include <stdio.h>
#include <string.h>
#include <sys/types.h>
+
+#ifdef __MINGW32__
+#include <winsock2.h>
+#else
#include <sys/socket.h>
#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_LIBPTHREAD
#include <pthread.h>
+#elif defined(__MINGW32__)
+#include <windows.h>
+#include <process.h>
+#endif
#include <errno.h>
-#include <syslog.h>
#include <guacamole/client.h>
+#include <guacamole/log.h>
+
+/* Windows / MINGW32 handles closing sockets differently */
+#ifdef __MINGW32__
+#define CLOSE_SOCKET(socket) closesocket(socket)
+#else
+#define CLOSE_SOCKET(socket) close(socket)
+#endif
+
+
+/* Cross-platform strerror()/errno clone */
+char error[65536];
+char* lasterror() {
+#ifdef __MINGW32__
+ snprintf(error, sizeof(error)-1, "ERROR #%i", GetLastError());
+ return error;
+#else
+ return strerror(errno);
+#endif
+}
+
typedef struct client_thread_data {
guac_client* client;
client_thread_data* thread_data = (client_thread_data*) data;
- syslog(LOG_INFO, "Spawning client");
+ GUAC_LOG_INFO("Spawning client");
/* Load and start client */
client = guac_get_client(thread_data->fd);
if (client == NULL) {
- syslog(LOG_ERR, "Client retrieval failed");
+ GUAC_LOG_ERROR("Client retrieval failed");
return NULL;
}
guac_free_client(client);
/* Close socket */
- if (close(thread_data->fd) < 0) {
- syslog(LOG_ERR, "Error closing connection: %s", strerror(errno));
+ if (CLOSE_SOCKET(thread_data->fd) < 0) {
+ GUAC_LOG_ERROR("Error closing connection: %s", lasterror());
free(data);
return NULL;
}
- syslog(LOG_INFO, "Client finished");
+ GUAC_LOG_INFO("Client finished");
free(data);
return NULL;
/* Daemon Process */
pid_t daemon_pid;
+#ifdef __MINGW32__
+ /* Structure for holding winsock version info */
+ WSADATA wsadata;
+#endif
+
/* Parse arguments */
while ((opt = getopt(argc, argv, "l:")) != -1) {
if (opt == 'l') {
server_addr.sin_addr.s_addr = INADDR_ANY;
server_addr.sin_port = htons(listen_port);
+#ifdef __MINGW32__
+ /* If compiling for Windows, init winsock. */
+ if (WSAStartup(MAKEWORD(1,1), &wsadata) == SOCKET_ERROR) {
+ fprintf(stderr, "Error creating socket.");
+ exit(EXIT_FAILURE);
+ }
+#endif
+
/* Get socket */
socket_fd = socket(AF_INET, SOCK_STREAM, 0);
if (socket_fd < 0) {
- fprintf(stderr, "Error opening socket: %s\n", strerror(errno));
+ fprintf(stderr, "Error opening socket: %s\n", lasterror());
exit(EXIT_FAILURE);
}
if (setsockopt(socket_fd, SOL_SOCKET, SO_REUSEADDR, &opt_on, sizeof(opt_on))) {
- fprintf(stderr, "Warning: Unable to set socket options for reuse: %s\n", strerror(errno));
+ fprintf(stderr, "Warning: Unable to set socket options for reuse: %s\n", lasterror());
}
/* Bind socket to address */
if (bind(socket_fd, (struct sockaddr*) &server_addr,
sizeof(server_addr)) < 0) {
- fprintf(stderr, "Error binding socket: %s\n", strerror(errno));
+ fprintf(stderr, "Error binding socket: %s\n", lasterror());
exit(EXIT_FAILURE);
}
/* Fork into background */
+#ifdef HAVE_FORK
daemon_pid = fork();
/* If error, fail */
if (daemon_pid == -1) {
- fprintf(stderr, "Error forking daemon process: %s\n", strerror(errno));
+ fprintf(stderr, "Error forking daemon process: %s\n", lasterror());
exit(EXIT_FAILURE);
}
else if (daemon_pid != 0) {
exit(EXIT_SUCCESS);
}
+#else
+ GUAC_LOG_INFO("fork() not defined at compile time.");
+ GUAC_LOG_INFO("guacd running in foreground only.");
+#endif
/* Otherwise, this is the daemon */
- syslog(LOG_INFO, "Started, listening on port %i", listen_port);
+ GUAC_LOG_INFO("Started, listening on port %i", listen_port);
/* Daemon loop */
for (;;) {
+#ifdef HAVE_LIBPTHREAD
pthread_t thread;
+#endif
client_thread_data* data;
/* Listen for connections */
if (listen(socket_fd, 5) < 0) {
- syslog(LOG_ERR, "Could not listen on socket: %s", strerror(errno));
+ GUAC_LOG_ERROR("Could not listen on socket: %s", lasterror());
return 3;
}
client_addr_len = sizeof(client_addr);
connected_socket_fd = accept(socket_fd, (struct sockaddr*) &client_addr, &client_addr_len);
if (connected_socket_fd < 0) {
- syslog(LOG_ERR, "Could not accept client connection: %s", strerror(errno));
+ GUAC_LOG_ERROR("Could not accept client connection: %s", lasterror());
return 3;
}
data = malloc(sizeof(client_thread_data));
data->fd = connected_socket_fd;
+#ifdef HAVE_LIBPTHREAD
if (pthread_create(&thread, NULL, start_client_thread, (void*) data)) {
- syslog(LOG_ERR, "Could not create client thread: %s", strerror(errno));
+ GUAC_LOG_ERROR("Could not create client thread: %s", lasterror());
+ return 3;
+ }
+#elif __MINGW32__
+ if (_beginthread(start_client_thread, 0, (void*) data) == -1L) {
+ GUAC_LOG_ERROR("Could not create client thread: %s", lasterror());
return 3;
}
+#else
+#warning THREAD SUPPORT NOT FOUND! guacd will only be able to handle one connection at a time.
+ GUAC_LOG_INFO("Thread support not present at compile time.");
+ GUAC_LOG_INFO("guacd handling one connection at a time.");
+ start_client_thread(data);
+#endif
}
/* Close socket */
- if (close(socket_fd) < 0) {
- syslog(LOG_ERR, "Could not close socket: %s", strerror(errno));
+ if (CLOSE_SOCKET(socket_fd) < 0) {
+ GUAC_LOG_ERROR("Could not close socket: %s", lasterror());
return 3;
}