526 lines
13 KiB
C
526 lines
13 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 has been parsed, or 0 if error occurred.
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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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" -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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" -m: don't send mouse motion events\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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" -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-osb: disable off screen bitmaps, default on\n"
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" --plugin: load a virtual channel plugin\n"
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" --rfx: enable RemoteFX\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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" --sec: force protocol security (rdp, tls or nla)\n"
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" --version: print version information\n"
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"\n", argv[0]);
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return -1; //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 -1;
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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 -1;
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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 -1;
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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 -1;
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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 -1;
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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 -1;
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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 -1;
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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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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 port number\n");
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return -1;
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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 -1;
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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("-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 -1;
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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 = 1;
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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 = 1;
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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 = 1;
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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 = 0;
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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("--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 -1;
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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 -1;
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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("--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 -1;
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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 -1;
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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("--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 -1;
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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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}
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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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}
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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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}
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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("--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 -1;
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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;
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settings->encryption_level = ENCRYPTION_LEVEL_HIGH;
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}
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else if (strncmp("tls", argv[index], 1) == 0) /* TLS */
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{
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settings->rdp_security = False;
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settings->tls_security = True;
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settings->nla_security = False;
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}
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else if (strncmp("nla", argv[index], 1) == 0) /* NLA */
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{
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settings->rdp_security = False;
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settings->tls_security = False;
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settings->nla_security = True;
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}
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else
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{
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printf("unknown protocol security\n");
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return -1;
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}
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}
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else if (strcmp("--plugin", argv[index]) == 0)
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{
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index++;
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t = index;
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if (index == argc)
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{
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printf("missing plugin name\n");
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return -1;
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}
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plugin_data = NULL;
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if (index < argc - 1 && strcmp("--data", argv[index + 1]) == 0)
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{
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index += 2;
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i = 0;
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while (index < argc && strcmp("--", argv[index]) != 0)
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{
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plugin_data = (RDP_PLUGIN_DATA*)xrealloc(plugin_data, sizeof(RDP_PLUGIN_DATA) * (i + 2));
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plugin_data[i].size = sizeof(RDP_PLUGIN_DATA);
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plugin_data[i].data[0] = NULL;
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plugin_data[i].data[1] = NULL;
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plugin_data[i].data[2] = NULL;
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plugin_data[i].data[3] = NULL;
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plugin_data[i + 1].size = 0;
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for (j = 0, p = argv[index]; j < 4 && p != NULL; j++)
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{
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if (*p == '\'')
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{
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plugin_data[i].data[j] = p + 1;
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p = strchr(p + 1, '\'');
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if (p)
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*p++ = 0;
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}
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else
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plugin_data[i].data[j] = p;
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p = strchr(p, ':');
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if (p != NULL)
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*p++ = 0;
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}
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index++;
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i++;
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}
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}
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if (plugin_callback != NULL)
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{
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if (!plugin_callback(settings, argv[t], plugin_data, plugin_user_data))
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return -1;
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}
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}
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else if (strcmp("--ext", 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 extension name\n");
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return -1;
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}
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if (num_extensions >= sizeof(settings->extensions) / sizeof(struct rdp_ext_set))
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{
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printf("maximum extensions reached\n");
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return -1;
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}
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snprintf(settings->extensions[num_extensions].name,
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sizeof(settings->extensions[num_extensions].name),
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"%s", argv[index]);
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settings->extensions[num_extensions].data = NULL;
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if (index < argc - 1 && strcmp("--data", argv[index + 1]) == 0)
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{
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index += 2;
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settings->extensions[num_extensions].data = argv[index];
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i = 0;
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while (index < argc && strcmp("--", argv[index]) != 0)
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{
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index++;
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i++;
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}
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}
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num_extensions++;
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}
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else if (strcmp("--version", argv[index]) == 0)
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{
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printf("This is FreeRDP version %s\n", FREERDP_VERSION_FULL);
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return -1;
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}
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else if (argv[index][0] != '-')
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{
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if (argv[index][0] == '[' && (p = strchr(argv[index], ']'))
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&& (p[1] == 0 || (p[1] == ':' && !strchr(p + 2, ':'))))
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{
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/* Either "[...]" or "[...]:..." with at most one : after the brackets */
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settings->hostname = xstrdup(argv[index] + 1);
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if ((p = strchr((char*)settings->hostname, ']')))
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{
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*p = 0;
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if (p[1] == ':')
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settings->port = atoi(p + 2);
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}
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}
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else
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{
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/* Port number is cut off and used if exactly one : in the string */
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settings->hostname = xstrdup(argv[index]);
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if ((p = strchr((char*)settings->hostname, ':')) && !strchr(p + 1, ':'))
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{
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*p = 0;
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settings->port = atoi(p + 1);
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}
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}
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/* server is the last argument for the current session. arguments
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followed will be parsed for the next session. */
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index++;
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return index;
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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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{
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t = ui_callback(settings, argv[index], (index + 1 < argc && argv[index + 1][0] != '-' ?
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argv[index + 1] : NULL), ui_user_data);
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if (t == 0)
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{
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printf("invalid option: %s\n", argv[index]);
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return -1;
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}
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index += t - 1;
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}
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}
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index++;
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}
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printf("missing server name\n");
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return -1;
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}
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