2 files changed, 175 insertions, 0 deletions
diff --git a/accel-pptpd/cli/CMakeLists.txt b/accel-pptpd/cli/CMakeLists.txt
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/accel-pptpd/cli/CMakeLists.txt
@@ -0,0 +1 @@
+
diff --git a/accel-pptpd/cli/telnet.c b/accel-pptpd/cli/telnet.c
new file mode 100644
index 00000000..e05fd08e
--- /dev/null
+++ b/accel-pptpd/cli/telnet.c
@@ -0,0 +1,174 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <time.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+#include "triton.h"
+#include "log.h"
+#include "list.h"
+#include "memdebug.h"
+
+#define RECV_BUF_SIZE 4096
+#define BANNER "accel-pptp-1.3-rc1\r\n"
+
+struct client_t
+{
+	struct list_head entry;
+	struct triton_md_handler_t hnd;
+	char *recv_buf;
+	int recv_pos;
+	struct list_head xmit_queue;
+	int auth:1;
+};
+
+static struct triton_context_t serv_ctx;
+static struct triton_md_handler_t serv_hnd;
+
+static void send_banner(struct client_t *cln)
+{
+	write(cln->hnd.fd, BANNER, sizeof(BANNER));
+}
+
+static int cln_read(struct triton_md_handler_t *h)
+{
+	struct client_t *cln = container_of(h, typeof(*cln), hnd);
+	int n;
+
+	while (1) {
+		n = read(h->fd, cln->recv_buf + cln->recv_pos, RECV_BUF_SIZE - cln->recv_pos);
+		if (n == 0) {
+			//disconnect(cln);
+			return 0;
+		}
+		if (n < 0) {
+			if (errno != EAGAIN)
+				log_error("cli: read: %s\n", strerror(errno));
+			return 0;
+		}
+		log_debug("cli: read(%i): ", n);
+	}
+
+	return 0;
+}
+
+static int serv_read(struct triton_md_handler_t *h)
+{
+  struct sockaddr_in addr;
+	socklen_t size = sizeof(addr);
+	int sock;
+	struct client_t *conn;
+
+	while(1) {
+		sock = accept(h->fd, (struct sockaddr *)&addr, &size);
+		if (sock < 0) {
+			if (errno == EAGAIN)
+				return 0;
+			log_error("cli: accept failed: %s\n", strerror(errno));
+			continue;
+		}
+
+		log_info("cli: new connection from %s\n", inet_ntoa(addr.sin_addr));
+
+		if (fcntl(sock, F_SETFL, O_NONBLOCK)) {
+			log_error("cli: failed to set nonblocking mode: %s, closing connection...\n", strerror(errno));
+			close(sock);
+			continue;
+		}
+
+		conn = _malloc(sizeof(*conn));
+		memset(conn, 0, sizeof(*conn));
+		conn->hnd.fd = sock;
+		conn->hnd.read = cln_read;
+		//conn->hnd.write = cln_write;
+		conn->recv_buf = _malloc(RECV_BUF_SIZE);
+		INIT_LIST_HEAD(&conn->xmit_queue);
+		
+		triton_md_register_handler(&serv_ctx, &conn->hnd);
+		triton_md_enable_handler(&conn->hnd,MD_MODE_READ);
+
+		send_banner(conn);
+	}
+	return 0;
+}
+static void serv_close(struct triton_context_t *ctx)
+{
+	triton_md_unregister_handler(&serv_hnd);
+	close(serv_hnd.fd);
+	triton_context_unregister(ctx);
+}
+
+static struct triton_context_t serv_ctx = {
+	.close = serv_close,
+};
+
+static struct triton_md_handler_t serv_hnd = {
+	.read = serv_read,
+};
+
+static void start_server(const char *host, int port)
+{
+  struct sockaddr_in addr;
+
+	serv_hnd.fd = socket(PF_INET, SOCK_STREAM, 0);
+  if (serv_hnd.fd < 0) {
+    log_emerg("cli: failed to create server socket: %s\n", strerror(errno));
+    return;
+  }
+
+  if (bind (serv_hnd.fd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
+    log_emerg("cli: failed to bind socket: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+	}
+
+  if (listen (serv_hnd.fd, 1) < 0) {
+    log_emerg("cli: failed to listen socket: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+  }
+
+	if (fcntl(serv_hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("cli: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+	}
+	
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(port);
+	addr.sin_addr.s_addr = inet_addr(host);
+
+	triton_context_register(&serv_ctx, NULL);
+	triton_md_register_handler(&serv_ctx, &serv_hnd);
+	triton_md_enable_handler(&serv_hnd, MD_MODE_READ);
+	triton_context_wakeup(&serv_ctx);
+}
+
+static void __init init(void)
+{
+	const char *opt;
+	int port = 0;
+	const char *host="127.0.0.1";
+
+	opt = conf_get_opt("cli", "port");
+	if (opt && atoi(opt) > 0)
+		port = atoi(opt);
+	
+	opt = conf_get_opt("cli", "bind");
+	if (opt)
+		host = opt;
+	
+	if (!host || !port) {
+		log_emerg("cli: disabled\n");
+		return;
+	}
+
+	start_server(host, port);
+}
+