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usbredir/SOURCES/0001-Revert-remove-usbredir...

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From e06a042c1c0eccefeccc63e419b9b09bef11e28f Mon Sep 17 00:00:00 2001
From: Victor Toso <victortoso@redhat.com>
Date: Wed, 30 Nov 2022 21:02:20 +0100
Subject: [PATCH] Revert "remove usbredirserver"
Content-type: text/plain
This reverts commit f4ffdce329305da2803684776f7659083a530819.
---
README.md | 4 +
meson.build | 1 +
usbredirserver/meson.build | 12 +
usbredirserver/usbredirserver.1 | 41 +++
usbredirserver/usbredirserver.c | 474 ++++++++++++++++++++++++++++++++
5 files changed, 532 insertions(+)
create mode 100644 usbredirserver/meson.build
create mode 100644 usbredirserver/usbredirserver.1
create mode 100644 usbredirserver/usbredirserver.c
diff --git a/README.md b/README.md
index ed04cca..2acb7b0 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,10 @@ The usbredirect binary is an usbredir client for exporting an USB device either
as TCP client or server, for use from another (virtual) machine through the
usbredir protocol.
+## usbredirserver
+
+A simple tcp server usb-host, using usbredirhost
+
## usbredirtestclient
A small testclient for the usbredir protocol over tcp, using usbredirparser
diff --git a/meson.build b/meson.build
index aac9909..e740778 100644
--- a/meson.build
+++ b/meson.build
@@ -103,6 +103,7 @@ if get_option('tools').enabled()
subdir('tools')
endif
if host_machine.system() != 'windows'
+ subdir('usbredirserver')
subdir('usbredirtestclient')
if get_option('fuzzing').enabled()
diff --git a/usbredirserver/meson.build b/usbredirserver/meson.build
new file mode 100644
index 0000000..de40681
--- /dev/null
+++ b/usbredirserver/meson.build
@@ -0,0 +1,12 @@
+usbredirserver_sources = [
+ 'usbredirserver.c',
+]
+
+executable('usbredirserver',
+ sources : usbredirserver_sources,
+ c_args : '-Wno-deprecated-declarations',
+ install : true,
+ install_dir: get_option('sbindir'),
+ dependencies : usbredir_host_lib_dep)
+
+install_man('usbredirserver.1')
diff --git a/usbredirserver/usbredirserver.1 b/usbredirserver/usbredirserver.1
new file mode 100644
index 0000000..d5a6793
--- /dev/null
+++ b/usbredirserver/usbredirserver.1
@@ -0,0 +1,41 @@
+.TH USBREDIRSERVER "1" "April 2012" "usbredirserver" "User Commands"
+.SH NAME
+usbredirserver \- exporting an USB device for use from another (virtual) machine
+.SH SYNOPSIS
+.B usbredirserver
+[\fI-p|--port <port>\fR] [\fI-v|--verbose <0-5>\fR] [\fI-4 <ipv4_addr|I-6 <ipv6_addr>]
+\fI<busnum-devnum|vendorid:prodid>\fR
+.SH DESCRIPTION
+usbredirserver is a small standalone server for exporting an USB device for
+use from another (virtual) machine through the usbredir protocol.
+.PP
+You can specify the USB device to export either by USB id in the form of
+\fI<vendorid>:<prodid>\fR, or by USB bus number and device address in the form
+of \fI<usbbus>-<usbaddr>\fR.
+.PP
+Notice that an instance of usbredirserver can only be used to export a
+single USB device. If you want to export multiple devices you can start
+multiple instances listening on different TCP ports.
+.SH OPTIONS
+.TP
+\fB\-p\fR, \fB\-\-port\fR=\fIPORT\fR
+Set the TCP port to listen on to \fIPORT\fR
+.TP
+\fB\-v\fR, \fB\-\-verbose\fR=\fIVERBOSE\fR
+Set usbredirserver's verbosity level to \fIVERBOSE\fR, this mostly affects USB
+redirection related messages. Valid values are 0-5:
+.br
+0:Silent 1:Errors 2:Warnings 3:Info 4:Debug 5:Debug++
+.SH AUTHOR
+Written by Hans de Goede <hdegoede@redhat.com>
+.SH REPORTING BUGS
+You can report bugs to the spice-devel mailinglist:
+http://lists.freedesktop.org/mailman/listinfo/spice-devel
+or filing an issue at:
+https://gitlab.freedesktop.org/spice/usbredir/issues/new
+.SH COPYRIGHT
+Copyright 2010-2012 Red Hat, Inc.
+License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>.
+.br
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.
diff --git a/usbredirserver/usbredirserver.c b/usbredirserver/usbredirserver.c
new file mode 100644
index 0000000..badb7bc
--- /dev/null
+++ b/usbredirserver/usbredirserver.c
@@ -0,0 +1,474 @@
+/* usbredirserver.c simple usb network redirection tcp/ip server (host).
+
+ Copyright 2010-2011 Red Hat, Inc.
+
+ Red Hat Authors:
+ Hans de Goede <hdegoede@redhat.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 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 library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <errno.h>
+#include <poll.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netinet/tcp.h>
+#include "usbredirhost.h"
+
+
+#define SERVER_VERSION "usbredirserver " PACKAGE_VERSION
+
+#if !defined(SOL_TCP) && defined(IPPROTO_TCP)
+#define SOL_TCP IPPROTO_TCP
+#endif
+#if !defined(TCP_KEEPIDLE) && defined(TCP_KEEPALIVE) && defined(__APPLE__)
+#define TCP_KEEPIDLE TCP_KEEPALIVE
+#endif
+
+static int verbose = usbredirparser_info;
+static int client_fd, running = 1;
+static libusb_context *ctx;
+static struct usbredirhost *host;
+
+static const struct option longopts[] = {
+ { "port", required_argument, NULL, 'p' },
+ { "verbose", required_argument, NULL, 'v' },
+ { "ipv4", required_argument, NULL, '4' },
+ { "ipv6", required_argument, NULL, '6' },
+ { "keepalive", required_argument, NULL, 'k' },
+ { "help", no_argument, NULL, 'h' },
+ { NULL, 0, NULL, 0 }
+};
+
+static void usbredirserver_log(void *priv, int level, const char *msg)
+{
+ if (level <= verbose)
+ fprintf(stderr, "%s\n", msg);
+}
+
+static int usbredirserver_read(void *priv, uint8_t *data, int count)
+{
+ int r = read(client_fd, data, count);
+ if (r < 0) {
+ if (errno == EAGAIN)
+ return 0;
+ return -1;
+ }
+ if (r == 0) { /* Client disconnected */
+ close(client_fd);
+ client_fd = -1;
+ }
+ return r;
+}
+
+static int usbredirserver_write(void *priv, uint8_t *data, int count)
+{
+ int r = write(client_fd, data, count);
+ if (r < 0) {
+ if (errno == EAGAIN)
+ return 0;
+ if (errno == EPIPE) { /* Client disconnected */
+ close(client_fd);
+ client_fd = -1;
+ return 0;
+ }
+ return -1;
+ }
+ return r;
+}
+
+static void usage(int exit_code, char *argv0)
+{
+ fprintf(exit_code? stderr:stdout,
+ "Usage: %s [-p|--port <port>] [-v|--verbose <0-5>] "
+ "[[-4|--ipv4 ipaddr]|[-6|--ipv6 ipaddr]] "
+ "[-k|--keepalive seconds] "
+ "<busnum-devnum|vendorid:prodid>\n",
+ argv0);
+ exit(exit_code);
+}
+
+static void invalid_usb_device_id(char *usb_device_id, char *argv0)
+{
+ fprintf(stderr, "Invalid usb device identifier: %s\n", usb_device_id);
+ usage(1, argv0);
+}
+
+static void run_main_loop(void)
+{
+ const struct libusb_pollfd **pollfds = NULL;
+ fd_set readfds, writefds;
+ int i, n, nfds;
+ struct timeval timeout, *timeout_p;
+
+ while (running && client_fd != -1) {
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+
+ FD_SET(client_fd, &readfds);
+ if (usbredirhost_has_data_to_write(host)) {
+ FD_SET(client_fd, &writefds);
+ }
+ nfds = client_fd + 1;
+
+ free(pollfds);
+ pollfds = libusb_get_pollfds(ctx);
+ for (i = 0; pollfds && pollfds[i]; i++) {
+ if (pollfds[i]->events & POLLIN) {
+ FD_SET(pollfds[i]->fd, &readfds);
+ }
+ if (pollfds[i]->events & POLLOUT) {
+ FD_SET(pollfds[i]->fd, &writefds);
+ }
+ if (pollfds[i]->fd >= nfds)
+ nfds = pollfds[i]->fd + 1;
+ }
+
+ if (libusb_get_next_timeout(ctx, &timeout) == 1) {
+ timeout_p = &timeout;
+ } else {
+ timeout_p = NULL;
+ }
+ n = select(nfds, &readfds, &writefds, NULL, timeout_p);
+ if (n == -1) {
+ if (errno == EINTR) {
+ continue;
+ }
+ perror("select");
+ break;
+ }
+ memset(&timeout, 0, sizeof(timeout));
+ if (n == 0) {
+ libusb_handle_events_timeout(ctx, &timeout);
+ continue;
+ }
+
+ if (FD_ISSET(client_fd, &readfds)) {
+ if (usbredirhost_read_guest_data(host)) {
+ break;
+ }
+ }
+ /* usbredirhost_read_guest_data may have detected client disconnect */
+ if (client_fd == -1)
+ break;
+
+ if (FD_ISSET(client_fd, &writefds)) {
+ if (usbredirhost_write_guest_data(host)) {
+ break;
+ }
+ }
+
+ for (i = 0; pollfds && pollfds[i]; i++) {
+ if (FD_ISSET(pollfds[i]->fd, &readfds) ||
+ FD_ISSET(pollfds[i]->fd, &writefds)) {
+ libusb_handle_events_timeout(ctx, &timeout);
+ break;
+ }
+ }
+ }
+ if (client_fd != -1) { /* Broken out of the loop because of an error ? */
+ close(client_fd);
+ client_fd = -1;
+ }
+ free(pollfds);
+}
+
+static void quit_handler(int sig)
+{
+ running = 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int o, flags, server_fd = -1;
+ char *endptr, *delim;
+ int port = 4000;
+ int usbbus = -1;
+ int usbaddr = -1;
+ int usbvendor = -1;
+ int usbproduct = -1;
+ int on = 1;
+ int keepalive = -1;
+ char *ipv4_addr = NULL, *ipv6_addr = NULL;
+ union {
+ struct sockaddr_in v4;
+ struct sockaddr_in6 v6;
+ } serveraddr;
+ struct sigaction act;
+ libusb_device_handle *handle = NULL;
+
+ while ((o = getopt_long(argc, argv, "hp:v:4:6:k:", longopts, NULL)) != -1) {
+ switch (o) {
+ case 'p':
+ port = strtol(optarg, &endptr, 10);
+ if (*endptr != '\0') {
+ fprintf(stderr, "Invalid value for --port: '%s'\n", optarg);
+ usage(1, argv[0]);
+ }
+ break;
+ case 'v':
+ verbose = strtol(optarg, &endptr, 10);
+ if (*endptr != '\0') {
+ fprintf(stderr, "Invalid value for --verbose: '%s'\n", optarg);
+ usage(1, argv[0]);
+ }
+ break;
+ case '4':
+ ipv4_addr = optarg;
+ break;
+ case '6':
+ ipv6_addr = optarg;
+ break;
+ case 'k':
+ keepalive = strtol(optarg, &endptr, 10);
+ if (*endptr != '\0') {
+ fprintf(stderr, "Invalid value for -k: '%s'\n", optarg);
+ usage(1, argv[0]);
+ }
+ break;
+ case '?':
+ case 'h':
+ usage(o == '?', argv[0]);
+ break;
+ }
+ }
+ if (optind == argc) {
+ fprintf(stderr, "Missing usb device identifier argument\n");
+ usage(1, argv[0]);
+ }
+ delim = strchr(argv[optind], '-');
+ if (delim && delim[1]) {
+ usbbus = strtol(argv[optind], &endptr, 10);
+ if (*endptr != '-') {
+ invalid_usb_device_id(argv[optind], argv[0]);
+ }
+ usbaddr = strtol(delim + 1, &endptr, 10);
+ if (*endptr != '\0') {
+ invalid_usb_device_id(argv[optind], argv[0]);
+ }
+ } else {
+ delim = strchr(argv[optind], ':');
+ if (!delim || !delim[1]) {
+ invalid_usb_device_id(argv[optind], argv[0]);
+ }
+ usbvendor = strtol(argv[optind], &endptr, 16);
+ if (*endptr != ':' || usbvendor <= 0 || usbvendor > 0xffff) {
+ invalid_usb_device_id(argv[optind], argv[0]);
+ }
+ usbproduct = strtol(delim + 1, &endptr, 16);
+ /* Product ID 0000 is valid */
+ if (*endptr != '\0' || usbproduct < 0 || usbproduct > 0xffff) {
+ invalid_usb_device_id(argv[optind], argv[0]);
+ }
+ }
+ optind++;
+ if (optind != argc) {
+ fprintf(stderr, "Excess non option arguments\n");
+ usage(1, argv[0]);
+ }
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = quit_handler;
+ sigaction(SIGINT, &act, NULL);
+ sigaction(SIGHUP, &act, NULL);
+ sigaction(SIGTERM, &act, NULL);
+ sigaction(SIGQUIT, &act, NULL);
+
+ if (libusb_init(&ctx)) {
+ fprintf(stderr, "Could not init libusb\n");
+ exit(1);
+ }
+
+#if LIBUSB_API_VERSION >= 0x01000106
+ libusb_set_option(ctx, LIBUSB_OPTION_LOG_LEVEL, verbose);
+#else
+ libusb_set_debug(ctx, verbose);
+#endif
+
+ if (ipv4_addr) {
+ server_fd = socket(AF_INET, SOCK_STREAM, 0);
+ } else {
+ server_fd = socket(AF_INET6, SOCK_STREAM, 0);
+ }
+ if (server_fd == -1) {
+ perror("Error creating ip socket");
+ exit(1);
+ }
+
+ if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) {
+ perror("Error setsockopt(SO_REUSEADDR) failed");
+ exit(1);
+ }
+
+ memset(&serveraddr, 0, sizeof(serveraddr));
+
+ if (ipv4_addr) {
+ serveraddr.v4.sin_family = AF_INET;
+ serveraddr.v4.sin_port = htons(port);
+ if ((inet_pton(AF_INET, ipv4_addr,
+ &serveraddr.v4.sin_addr)) != 1) {
+ perror("Error convert ipv4 address");
+ exit(1);
+ }
+ } else {
+ serveraddr.v6.sin6_family = AF_INET6;
+ serveraddr.v6.sin6_port = htons(port);
+ if (ipv6_addr) {
+ if ((inet_pton(AF_INET6, ipv6_addr,
+ &serveraddr.v6.sin6_addr)) != 1) {
+ perror("Error convert ipv6 address");
+ exit(1);
+ }
+ } else {
+ serveraddr.v6.sin6_addr = in6addr_any;
+ }
+ }
+
+ if (bind(server_fd, (struct sockaddr *)&serveraddr,
+ sizeof(serveraddr))) {
+ perror("Error bind");
+ exit(1);
+ }
+
+ if (listen(server_fd, 1)) {
+ perror("Error listening");
+ exit(1);
+ }
+
+ while (running) {
+ client_fd = accept(server_fd, NULL, 0);
+ if (client_fd == -1) {
+ if (errno == EINTR) {
+ continue;
+ }
+ perror("accept");
+ break;
+ }
+
+ if (keepalive > 0) {
+ int optval = 1;
+ socklen_t optlen = sizeof(optval);
+ if (setsockopt(client_fd, SOL_SOCKET, SO_KEEPALIVE, &optval, optlen) == -1) {
+ if (errno != ENOTSUP) {
+ perror("setsockopt SO_KEEPALIVE error.");
+ break;
+ }
+ }
+ optval = keepalive; /* set default TCP_KEEPIDLE time from cmdline */
+ if (setsockopt(client_fd, SOL_TCP, TCP_KEEPIDLE, &optval, optlen) == -1) {
+ if (errno != ENOTSUP) {
+ perror("setsockopt TCP_KEEPIDLE error.");
+ break;
+ }
+ }
+ optval = 10; /* set default TCP_KEEPINTVL time as 10s */
+ if (setsockopt(client_fd, SOL_TCP, TCP_KEEPINTVL, &optval, optlen) == -1) {
+ if (errno != ENOTSUP) {
+ perror("setsockopt TCP_KEEPINTVL error.");
+ break;
+ }
+ }
+ optval = 3; /* set default TCP_KEEPCNT as 3 */
+ if (setsockopt(client_fd, SOL_TCP, TCP_KEEPCNT, &optval, optlen) == -1) {
+ if (errno != ENOTSUP) {
+ perror("setsockopt TCP_KEEPCNT error.");
+ break;
+ }
+ }
+ }
+
+ flags = fcntl(client_fd, F_GETFL);
+ if (flags == -1) {
+ perror("fcntl F_GETFL");
+ break;
+ }
+ flags = fcntl(client_fd, F_SETFL, flags | O_NONBLOCK);
+ if (flags == -1) {
+ perror("fcntl F_SETFL O_NONBLOCK");
+ break;
+ }
+
+ /* Try to find the specified usb device */
+ if (usbvendor != -1) {
+ handle = libusb_open_device_with_vid_pid(ctx, usbvendor,
+ usbproduct);
+ if (!handle) {
+ fprintf(stderr,
+ "Could not open an usb-device with vid:pid %04x:%04x\n",
+ usbvendor, usbproduct);
+ } else if (verbose >= usbredirparser_info) {
+ libusb_device *dev;
+ dev = libusb_get_device(handle);
+ fprintf(stderr, "Open a usb-device with vid:pid %04x:%04x on "
+ "bus %03x device %03x\n",
+ usbvendor, usbproduct,
+ libusb_get_bus_number(dev),
+ libusb_get_device_address(dev));
+ }
+ } else {
+ libusb_device **list = NULL;
+ ssize_t i, n;
+
+ n = libusb_get_device_list(ctx, &list);
+ for (i = 0; i < n; i++) {
+ if (libusb_get_bus_number(list[i]) == usbbus &&
+ libusb_get_device_address(list[i]) == usbaddr)
+ break;
+ }
+ if (i < n) {
+ if (libusb_open(list[i], &handle) != 0) {
+ fprintf(stderr,
+ "Could not open usb-device at busnum-devnum %d-%d\n",
+ usbbus, usbaddr);
+ }
+ } else {
+ fprintf(stderr,
+ "Could not find an usb-device at busnum-devnum %d-%d\n",
+ usbbus, usbaddr);
+ }
+ libusb_free_device_list(list, 1);
+ }
+ if (!handle) {
+ close(client_fd);
+ continue;
+ }
+
+ host = usbredirhost_open(ctx, handle, usbredirserver_log,
+ usbredirserver_read, usbredirserver_write,
+ NULL, SERVER_VERSION, verbose, 0);
+ if (!host)
+ exit(1);
+ run_main_loop();
+ usbredirhost_close(host);
+ handle = NULL;
+ }
+
+ close(server_fd);
+ libusb_exit(ctx);
+ exit(0);
+}
--
2.38.1
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