728 lines
19 KiB
C
728 lines
19 KiB
C
/*
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* FreeRDP: A Remote Desktop Protocol client.
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* Arguments Parsing
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*
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* Copyright 2009-2011 Jay Sorg
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* Copyright 2011 Vic Lee
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <freerdp/settings.h>
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#include <freerdp/utils/print.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/utils/args.h>
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/**
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* Parse command-line arguments and update rdpSettings members accordingly.
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* @param settings pointer to rdpSettings struct to be updated.
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* @param argc number of arguments available.
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* @param argv string array of the arguments.
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* @param plugin_callback function to be called when a plugin needs to be loaded.
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* @param plugin_user_data pointer to be passed to the plugin_callback function.
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* @param ui_callback function to be called when a UI-specific argument is being processed.
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* @param ui_user_data pointer to be passed to the ui_callback function.
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* @return number of arguments that were parsed, or FREERDP_ARGS_PARSE_RESULT on failure or --version/--help
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*/
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int freerdp_parse_args(rdpSettings* settings, int argc, char** argv,
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ProcessPluginArgs plugin_callback, void* plugin_user_data,
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ProcessUIArgs ui_callback, void* ui_user_data)
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{
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int t;
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char* p;
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int i, j;
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int index = 1;
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int num_extensions = 0;
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RDP_PLUGIN_DATA* plugin_data;
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while (index < argc)
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{
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if ((strcmp("-h", argv[index]) == 0 ) || (strcmp("--help", argv[index]) == 0 ))
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{
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printf("\n"
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"FreeRDP - A Free Remote Desktop Protocol Client\n"
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"See http://www.freerdp.com for more information\n"
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"\n"
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"Usage: %s [options] server:port\n"
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" -0: connect to console session\n"
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" -a: set color depth in bit, default is 16\n"
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" -c: initial working directory\n"
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" -D: hide window decorations\n"
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" -T: window title\n"
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" -d: domain\n"
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" -f: fullscreen mode\n"
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" -g: set geometry, using format WxH or X%% or 'workarea', default is 1024x768\n"
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" -h: print this help\n"
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" -k: set keyboard layout ID\n"
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" -K: do not interfere with window manager bindings\n"
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" -n: hostname\n"
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" -o: console audio\n"
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" -p: password\n"
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" -s: set startup-shell\n"
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" -t: alternative port number, default is 3389\n"
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" -u: username\n"
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" -x: performance flags (m[odem], b[roadband] or l[an])\n"
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" -X: embed into another window with a given XID.\n"
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" -z: enable compression\n"
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" --app: RemoteApp connection. This implies -g workarea\n"
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" --ext: load an extension\n"
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" --no-auth: disable authentication\n"
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" --no-fastpath: disable fast-path\n"
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" --no-motion: don't send mouse motion events\n"
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" --gdi: graphics rendering (hw, sw)\n"
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" --no-osb: disable offscreen bitmaps\n"
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" --no-bmp-cache: disable bitmap cache\n"
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" --plugin: load a virtual channel plugin\n"
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" --rfx: enable RemoteFX\n"
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" --rfx-mode: RemoteFX operational flags (v[ideo], i[mage]), default is video\n"
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" --nsc: enable NSCodec (experimental)\n"
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" --disable-wallpaper: disables wallpaper\n"
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" --composition: enable desktop composition\n"
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" --disable-full-window-drag: disables full window drag\n"
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" --disable-menu-animations: disables menu animations\n"
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" --disable-theming: disables theming\n"
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" --no-rdp: disable Standard RDP encryption\n"
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" --no-tls: disable TLS encryption\n"
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" --no-nla: disable network level authentication\n"
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" --ntlm: force NTLM authentication protocol version (1 or 2)\n"
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" --ignore-certificate: ignore verification of logon certificate\n"
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" --sec: force protocol security (rdp, tls or nla)\n"
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" --tsg: Terminal Server Gateway (<username> <password> <hostname>)\n"
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" --kbd-list: list all keyboard layout ids used by -k\n"
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" --salted-checksum: use salted checksums with Standard RDP encryption\n"
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" --version: print version information\n"
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"\n", argv[0]);
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return FREERDP_ARGS_PARSE_HELP; /* TODO: What is the correct return? */
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}
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else if (strcmp("-a", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing color depth\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->color_depth = atoi(argv[index]);
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}
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else if (strcmp("-u", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing username\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->username = xstrdup(argv[index]);
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}
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else if (strcmp("-p", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing password\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->password = xstrdup(argv[index]);
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settings->autologon = 1;
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/*
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* Overwrite original password which could be revealed by a simple "ps aux" command.
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* This approach won't hide the password length, but it is better than nothing.
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*/
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memset(argv[index], '*', strlen(argv[index]));
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}
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else if (strcmp("-d", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing domain\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->domain = xstrdup(argv[index]);
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}
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else if (strcmp("-s", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing shell\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->shell = xstrdup(argv[index]);
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}
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else if (strcmp("-c", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing directory\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->directory = xstrdup(argv[index]);
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}
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else if (strcmp("-g", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing dimensions\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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if (strncmp("workarea", argv[index], 1) == 0)
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{
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settings->workarea = true;
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}
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else
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{
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settings->width = (uint16) strtol(argv[index], &p, 10);
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if (*p == 'x')
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{
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settings->height = (uint16) strtol(p + 1, &p, 10);
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}
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if (*p == '%')
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{
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settings->percent_screen = settings->width;
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if (settings->percent_screen <= 0 || settings->percent_screen > 100)
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{
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printf("invalid geometry percentage\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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}
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else
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{
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if (ui_callback != NULL)
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ui_callback(settings, "-g", p, ui_user_data);
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}
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}
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}
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else if (strcmp("-f", argv[index]) == 0)
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{
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settings->fullscreen = true;
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}
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else if (strcmp("-D", argv[index]) == 0)
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{
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settings->decorations = false;
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}
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else if (strcmp("-T", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing window title\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->window_title = xstrdup(argv[index]);
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}
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else if (strcmp("-t", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing port number\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->port = atoi(argv[index]);
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}
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else if (strcmp("-k", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing keyboard layout id\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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sscanf(argv[index], "%X", &(settings->kbd_layout));
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}
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else if (strcmp("-K", argv[index]) == 0)
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{
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settings->grab_keyboard = false;
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}
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else if (strcmp("-n", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing client hostname\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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strncpy(settings->client_hostname, argv[index], sizeof(settings->client_hostname) - 1);
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settings->client_hostname[sizeof(settings->client_hostname) - 1] = 0;
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}
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else if (strcmp("-o", argv[index]) == 0)
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{
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settings->console_audio = true;
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}
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else if (strcmp("-0", argv[index]) == 0)
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{
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settings->console_session = true;
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}
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else if (strcmp("-z", argv[index]) == 0)
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{
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settings->compression = true;
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}
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else if (strcmp("--ntlm", argv[index]) == 0)
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{
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index++;
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settings->ntlm_version = atoi(argv[index]);
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if (settings->ntlm_version != 2)
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settings->ntlm_version = 1;
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}
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else if (strcmp("--no-glyph-cache", argv[index]) == 0)
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{
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settings->glyph_cache = false;
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}
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else if (strcmp("--no-osb", argv[index]) == 0)
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{
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settings->offscreen_bitmap_cache = false;
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}
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else if (strcmp("--no-bmp-cache", argv[index]) == 0)
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{
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settings->bitmap_cache = false;
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}
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else if (strcmp("--no-auth", argv[index]) == 0)
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{
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settings->authentication = false;
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}
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else if (strcmp("--ignore-certificate", argv[index]) == 0)
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{
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settings->ignore_certificate = true;
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}
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else if (strcmp("--certificate-name", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing certificate name\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->certificate_name = xstrdup(argv[index]);
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}
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else if (strcmp("--no-fastpath", argv[index]) == 0)
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{
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settings->fastpath_input = false;
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settings->fastpath_output = false;
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}
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else if (strcmp("--gdi", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing GDI backend\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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if (strncmp("sw", argv[index], 1) == 0) /* software */
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{
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settings->sw_gdi = true;
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}
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else if (strncmp("hw", argv[index], 1) == 0) /* hardware */
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{
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settings->sw_gdi = false;
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}
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else
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{
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printf("unknown GDI backend\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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}
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else if (strcmp("--rfx", argv[index]) == 0)
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{
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settings->rfx_codec = true;
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settings->fastpath_output = true;
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settings->color_depth = 32;
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settings->frame_acknowledge = false;
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settings->performance_flags = PERF_FLAG_NONE;
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settings->large_pointer = true;
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}
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else if (strcmp("--rfx-mode", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing RemoteFX mode flag\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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if (argv[index][0] == 'v') /* video */
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{
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settings->rfx_codec_mode = 0x00;
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}
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else if (argv[index][0] == 'i') /* image */
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{
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settings->rfx_codec_mode = 0x02;
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}
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else
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{
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printf("unknown RemoteFX mode flag\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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}
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else if (strcmp("--nsc", argv[index]) == 0)
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{
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settings->ns_codec = true;
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}
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else if (strcmp("--dump-rfx", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing file name\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->dump_rfx_file = xstrdup(argv[index]);
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settings->dump_rfx = true;
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}
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else if (strcmp("--play-rfx", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing file name\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->play_rfx_file = xstrdup(argv[index]);
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settings->play_rfx = true;
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}
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else if (strcmp("--fonts", argv[index]) == 0)
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{
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settings->smooth_fonts = true;
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}
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else if (strcmp("--disable-wallpaper", argv[index]) == 0)
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{
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settings->disable_wallpaper = true;
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}
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else if (strcmp("--disable-full-window-drag", argv[index]) == 0)
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{
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settings->disable_full_window_drag = true;
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}
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else if (strcmp("--disable-menu-animations", argv[index]) == 0)
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{
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settings->disable_menu_animations = true;
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}
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else if (strcmp("--disable-theming", argv[index]) == 0)
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{
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settings->disable_theming = true;
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}
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else if (strcmp("--composition", argv[index]) == 0)
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{
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settings->desktop_composition = true;
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}
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else if (strcmp("--no-motion", argv[index]) == 0)
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{
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settings->mouse_motion = false;
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}
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else if (strcmp("--app", argv[index]) == 0)
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{
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settings->remote_app = true;
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settings->rail_langbar_supported = true;
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settings->workarea = true;
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settings->performance_flags = PERF_DISABLE_WALLPAPER | PERF_DISABLE_FULLWINDOWDRAG;
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}
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else if (strcmp("-x", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing performance flag\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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if (argv[index][0] == 'm') /* modem */
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{
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settings->performance_flags = PERF_DISABLE_WALLPAPER |
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PERF_DISABLE_FULLWINDOWDRAG | PERF_DISABLE_MENUANIMATIONS |
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PERF_DISABLE_THEMING;
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settings->connection_type = CONNECTION_TYPE_MODEM;
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}
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else if (argv[index][0] == 'b') /* broadband */
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{
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settings->performance_flags = PERF_DISABLE_WALLPAPER;
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settings->connection_type = CONNECTION_TYPE_BROADBAND_HIGH;
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}
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else if (argv[index][0] == 'l') /* lan */
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{
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settings->performance_flags = PERF_FLAG_NONE;
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settings->connection_type = CONNECTION_TYPE_LAN;
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}
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else
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{
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settings->performance_flags = strtol(argv[index], 0, 16);
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}
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}
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else if (strcmp("-X", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing parent window XID\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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settings->parent_window_xid = strtoul(argv[index], NULL, 16);
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if (settings->parent_window_xid == 0)
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{
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printf("invalid parent window XID\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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}
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else if (strcmp("--no-rdp", argv[index]) == 0)
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{
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settings->rdp_security = false;
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}
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else if (strcmp("--no-tls", argv[index]) == 0)
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{
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settings->tls_security = false;
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}
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else if (strcmp("--no-nla", argv[index]) == 0)
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{
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settings->nla_security = false;
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}
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else if (strcmp("--sec", argv[index]) == 0)
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{
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index++;
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if (index == argc)
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{
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printf("missing protocol security\n");
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return FREERDP_ARGS_PARSE_FAILURE;
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}
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if (strncmp("rdp", argv[index], 1) == 0) /* Standard RDP */
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{
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settings->rdp_security = true;
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settings->tls_security = false;
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settings->nla_security = false;
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settings->encryption = true;
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settings->encryption_method = ENCRYPTION_METHOD_40BIT | ENCRYPTION_METHOD_128BIT | ENCRYPTION_METHOD_FIPS;
|
|
settings->encryption_level = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
|
|
}
|
|
else if (strncmp("tls", argv[index], 1) == 0) /* TLS */
|
|
{
|
|
settings->rdp_security = false;
|
|
settings->tls_security = true;
|
|
settings->nla_security = false;
|
|
}
|
|
else if (strncmp("nla", argv[index], 1) == 0) /* NLA */
|
|
{
|
|
settings->rdp_security = false;
|
|
settings->tls_security = false;
|
|
settings->nla_security = true;
|
|
}
|
|
else
|
|
{
|
|
printf("unknown protocol security\n");
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|
|
}
|
|
else if (strcmp("--tsg", argv[index]) == 0)
|
|
{
|
|
settings->ts_gateway = true;
|
|
index++;
|
|
if (index == argc)
|
|
{
|
|
printf("missing TSG username\n");
|
|
return -1;
|
|
}
|
|
settings->tsg_username = xstrdup(argv[index]);
|
|
index++;
|
|
if (index == argc)
|
|
{
|
|
printf("missing TSG password\n");
|
|
return -1;
|
|
}
|
|
settings->tsg_password = xstrdup(argv[index]);
|
|
index++;
|
|
if (index == argc)
|
|
{
|
|
printf("missing TSG server\n");
|
|
return -1;
|
|
}
|
|
settings->tsg_hostname = xstrdup(argv[index]);
|
|
}
|
|
else if (strcmp("--plugin", argv[index]) == 0)
|
|
{
|
|
index++;
|
|
t = index;
|
|
if (index == argc)
|
|
{
|
|
printf("missing plugin name\n");
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|
|
plugin_data = NULL;
|
|
if (strstr(argv[t], "rdpsnd"))
|
|
settings->audio_playback = true;
|
|
if (index < argc - 1 && strcmp("--data", argv[index + 1]) == 0)
|
|
{
|
|
index += 2;
|
|
i = 0;
|
|
while (index < argc && strcmp("--", argv[index]) != 0)
|
|
{
|
|
if (plugin_data == NULL)
|
|
plugin_data = (RDP_PLUGIN_DATA*) xmalloc(sizeof(RDP_PLUGIN_DATA) * (i + 2));
|
|
else
|
|
plugin_data = (RDP_PLUGIN_DATA*) xrealloc(plugin_data, sizeof(RDP_PLUGIN_DATA) * (i + 2));
|
|
|
|
if (strstr(argv[t], "drdynvc") && strstr(argv[index], "audin"))
|
|
settings->audio_capture = true;
|
|
|
|
plugin_data[i].size = sizeof(RDP_PLUGIN_DATA);
|
|
plugin_data[i].data[0] = NULL;
|
|
plugin_data[i].data[1] = NULL;
|
|
plugin_data[i].data[2] = NULL;
|
|
plugin_data[i].data[3] = NULL;
|
|
plugin_data[i + 1].size = 0;
|
|
|
|
for (j = 0, p = argv[index]; j < 4 && p != NULL; j++)
|
|
{
|
|
if (*p == '\'')
|
|
{
|
|
plugin_data[i].data[j] = p + 1;
|
|
p = strchr(p + 1, '\'');
|
|
if (p)
|
|
*p++ = 0;
|
|
}
|
|
else
|
|
plugin_data[i].data[j] = p;
|
|
|
|
p = strchr(p, ':');
|
|
if (p != NULL)
|
|
*p++ = 0;
|
|
}
|
|
index++;
|
|
i++;
|
|
}
|
|
}
|
|
|
|
if (plugin_callback != NULL)
|
|
{
|
|
if (!plugin_callback(settings, argv[t], plugin_data, plugin_user_data))
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|
|
}
|
|
else if (strcmp("--ext", argv[index]) == 0)
|
|
{
|
|
index++;
|
|
if (index == argc)
|
|
{
|
|
printf("missing extension name\n");
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|
|
if (num_extensions >= ARRAY_SIZE(settings->extensions))
|
|
{
|
|
printf("maximum extensions reached\n");
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|
|
snprintf(settings->extensions[num_extensions].name,
|
|
sizeof(settings->extensions[num_extensions].name),
|
|
"%s", argv[index]);
|
|
settings->extensions[num_extensions].data = NULL;
|
|
if (index < argc - 1 && strcmp("--data", argv[index + 1]) == 0)
|
|
{
|
|
index += 2;
|
|
settings->extensions[num_extensions].data = argv[index];
|
|
i = 0;
|
|
while (index < argc && strcmp("--", argv[index]) != 0)
|
|
{
|
|
index++;
|
|
i++;
|
|
}
|
|
}
|
|
num_extensions++;
|
|
}
|
|
else if (strcmp("--salted-checksum", argv[index]) == 0)
|
|
{
|
|
settings->salted_checksum = true;
|
|
}
|
|
else if (strcmp("--version", argv[index]) == 0)
|
|
{
|
|
printf("This is FreeRDP version %s\n", FREERDP_VERSION_FULL);
|
|
return FREERDP_ARGS_PARSE_VERSION;
|
|
}
|
|
else if (argv[index][0] != '-')
|
|
{
|
|
if (argv[index][0] == '[' && (p = strchr(argv[index], ']'))
|
|
&& (p[1] == 0 || (p[1] == ':' && !strchr(p + 2, ':'))))
|
|
{
|
|
/* Either "[...]" or "[...]:..." with at most one : after the brackets */
|
|
settings->hostname = xstrdup(argv[index] + 1);
|
|
if ((p = strchr((char*)settings->hostname, ']')))
|
|
{
|
|
*p = 0;
|
|
if (p[1] == ':')
|
|
settings->port = atoi(p + 2);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Port number is cut off and used if exactly one : in the string */
|
|
settings->hostname = xstrdup(argv[index]);
|
|
if ((p = strchr((char*)settings->hostname, ':')) && !strchr(p + 1, ':'))
|
|
{
|
|
*p = 0;
|
|
settings->port = atoi(p + 1);
|
|
}
|
|
}
|
|
/* server is the last argument for the current session. arguments
|
|
followed will be parsed for the next session. */
|
|
index++;
|
|
|
|
if (settings->smooth_fonts)
|
|
settings->performance_flags |= PERF_ENABLE_FONT_SMOOTHING;
|
|
|
|
if (settings->desktop_composition)
|
|
settings->performance_flags |= PERF_ENABLE_DESKTOP_COMPOSITION;
|
|
|
|
if (settings->disable_wallpaper)
|
|
settings->performance_flags |= PERF_DISABLE_WALLPAPER;
|
|
|
|
if (settings->disable_full_window_drag)
|
|
settings->performance_flags |= PERF_DISABLE_FULLWINDOWDRAG;
|
|
|
|
if (settings->disable_menu_animations)
|
|
settings->performance_flags |= PERF_DISABLE_MENUANIMATIONS;
|
|
|
|
if (settings->disable_theming)
|
|
settings->performance_flags |= PERF_DISABLE_THEMING;
|
|
|
|
return index;
|
|
}
|
|
else
|
|
{
|
|
if (ui_callback != NULL)
|
|
{
|
|
t = ui_callback(settings, argv[index], (index + 1 < argc && argv[index + 1][0] != '-' ?
|
|
argv[index + 1] : NULL), ui_user_data);
|
|
if (t == 0)
|
|
{
|
|
printf("invalid option: %s\n", argv[index]);
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|
|
index += t - 1;
|
|
}
|
|
}
|
|
index++;
|
|
}
|
|
printf("missing server name\n");
|
|
return FREERDP_ARGS_PARSE_FAILURE;
|
|
}
|