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/*
CmdLine plugin for Miranda IM
Copyright © 2007 Cristian Libotean
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 program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
LISTCOMMANDS ListCommands = nullptr;
PCommand knownCommands = nullptr;
int cKnownCommands = 0;
HMODULE hCmdLineDLL = nullptr;
wchar_t* GetMirandaFolder(wchar_t *mimFolder, int size)
{
wcsncpy_s(mimFolder, size, sdCmdLine->mimFolder, _TRUNCATE);
return mimFolder;
}
int ConnectToMiranda()
{
wchar_t tszPath[MAX_PATH];
GetModuleFileName(nullptr, tszPath, _countof(tszPath));
wchar_t *p = wcsrchr(tszPath, '\\');
if (p) p[1] = 0;
wcsncat_s(tszPath, L"libs", _TRUNCATE);
DWORD cbPath = (DWORD)wcslen(tszPath);
DWORD cbSize = GetEnvironmentVariable(L"PATH", nullptr, 0);
wchar_t *ptszVal = new wchar_t[cbSize + MAX_PATH + 2];
wcscpy(ptszVal, tszPath);
wcscat(ptszVal, L";");
GetEnvironmentVariable(L"PATH", ptszVal + cbPath + 1, cbSize);
SetEnvironmentVariable(L"PATH", ptszVal);
delete[] ptszVal;
wchar_t pluginPath[1024] = {0};
GetMirandaFolder(pluginPath, _countof(pluginPath));
if(pluginPath[0])
mir_wstrcat(pluginPath, L"\\plugins\\cmdline.dll");
else
mir_wstrcat(pluginPath, L"plugins\\cmdline.dll");
ListCommands = nullptr;
hCmdLineDLL = LoadLibraryW(pluginPath);
int failure = 1;
if (hCmdLineDLL)
ListCommands = (LISTCOMMANDS)GetProcAddress(hCmdLineDLL, "ListCommands");
if (ListCommands)
failure = 0;
return failure;
}
int DisconnectFromMiranda()
{
return FreeLibrary(hCmdLineDLL);
}
int GetKnownCommands()
{
ListCommands(&knownCommands, &cKnownCommands);
return (knownCommands == nullptr);
}
int DestroyKnownCommands()
{
return 0;
}
PCommand GetCommand(wchar_t *command)
{
int i;
wchar_t lower[512];
wcsncpy_s(lower, command, _TRUNCATE);
_wcslwr(lower);
for (i = 0; i < cKnownCommands; i++)
if (mir_wstrcmp(knownCommands[i].command, lower) == 0)
return &knownCommands[i];
//allow more parameters to trigger the help command - /h -h /? --help
if ((mir_wstrcmp(lower, L"/h") == 0) || (mir_wstrcmp(lower, L"-h") == 0) || (mir_wstrcmp(lower, L"/?") == 0) || (mir_wstrcmp(lower, L"--help") == 0))
for (i = 0; i < cKnownCommands; i++)
if (knownCommands[i].ID == MIMCMD_HELP)
return &knownCommands[i];
return nullptr;
}
void HandleHelpCommand(PCommand, wchar_t *argv[], int argc, PReply reply)
{
CMStringW szReply;
if (argc >= 3) {
PCommand command = GetCommand(argv[2]);
if (command) {
reply->code = MIMRES_SUCCESS;
szReply.Append(TranslateW_LP(command->help));
}
else {
reply->code = MIMRES_NOTFOUND;
szReply.AppendFormat(TranslateW_LP(L"No help for '%s'."), argv[2]);
}
}
else {
reply->code = MIMRES_SUCCESS;
szReply.Append(TranslateW_LP(L"Available commands: "));
for (int i = 0; i < cKnownCommands - 1; i++) {
szReply.Append(knownCommands[i].command);
szReply.Append(L", ");
}
szReply.Append(knownCommands[cKnownCommands-1].command);
szReply.AppendChar('.');
}
wcsncpy_s(reply->message, szReply, _TRUNCATE);
}
PReply ParseCommand(wchar_t *argv[], int argc)
{
PCommand command = GetCommand(argv[1]);
if (!command)
return nullptr;
PReply reply = &sdCmdLine->reply;
if (command->ID == MIMCMD_HELP)
HandleHelpCommand(command, argv, argc, reply);
else
ProcessConsoleCommand(command, argv, argc, reply);
return reply;
}
void FillSharedDataStruct(PCommand command, wchar_t *arguments[], int count)
{
for (int i = 0; i < count; i++)
wcsncpy_s(sdCmdLine->arguments[i], ARGUMENT_SIZE, arguments[i], _TRUNCATE);
sdCmdLine->cArguments = count;
sdCmdLine->command = *command;
*sdCmdLine->reply.message = 0;
sdCmdLine->reply.code =-1;
}
void ProcessConsoleCommand(PCommand command, wchar_t *arguments[], int count, PReply reply)
{
const HANDLE events[] = { heServerDone, heServerClose, heServerBufferFull };
if (WaitForSingleObject(hmClient, INFINITE) == WAIT_OBJECT_0) {//got the mutex, we're the only one who can talk to miranda now
FillSharedDataStruct(command, arguments, count);
SetEvent(heServerExec); //tell Miranda to process the request
int done = FALSE;
while (!done) {
// wait until server either finished processing or miranda was closed
switch (WaitForMultipleObjects(_countof(events), events, FALSE, INFINITE)) {
case WAIT_OBJECT_0: //done event
done = TRUE;
break; //nothing to do
case WAIT_OBJECT_0 + 1: //close event
default:
mir_wstrcpy(sdCmdLine->reply.message, TranslateW_LP(L"Miranda has been closed or an error has occurred while waiting for the result, could not process request."));
done = TRUE;
break;
case WAIT_OBJECT_0 + 2: //buffer full event
wprintf(L"%s", reply->message);
break;
}
}
reply->code = sdCmdLine->reply.code;
wcsncpy_s(reply->message, sdCmdLine->reply.message, _TRUNCATE);
ReleaseMutex(hmClient); //let other possible clients talk to the server
}
else {
reply->code = -1;
*reply->message = 0;
}
}
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