boinc/lib/proc_control.cpp

307 lines
10 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// Code to run a BOINC application (main or graphics) under Windows
// Don't include this in applications
#if defined(_WIN32) && !defined(__STDWX_H__) && !defined(_BOINC_WIN_) && !defined(_AFX_STDAFX_H_)
#include "boinc_win.h"
#endif
#include "win_util.h"
#include "filesys.h"
#include "error_numbers.h"
#include "common_defs.h"
#include "util.h"
#include "parse.h"
#include "base64.h"
HANDLE sandbox_account_interactive_token = NULL;
HANDLE sandbox_account_service_token = NULL;
void get_sandbox_account_interactive_token() {
FILE* f;
char buf[256];
std::string encoded_username_str;
std::string encoded_password_str;
std::string username_str;
std::string domainname_str;
std::string password_str;
int retval = 0;
static bool first = true;
PSID sandbox_account_sid = NULL;
if (!first) return;
first = false;
f = fopen(CLIENT_AUTH_FILENAME, "r");
if (!f) return;
while (fgets(buf, 256, f)) {
if (parse_str(buf, "<username>", encoded_username_str)) continue;
if (parse_str(buf, "<password>", encoded_password_str)) continue;
}
fclose(f);
password_str = r_base64_decode(encoded_password_str);
if (std::string::npos != encoded_username_str.find('\\')) {
domainname_str = encoded_username_str.substr(
0, encoded_username_str.find('\\')
);
username_str = encoded_username_str.substr(
encoded_username_str.rfind(_T('\\')) + 1,
encoded_username_str.length() - encoded_username_str.rfind(_T('\\')) - 1
);
retval = LogonUserA(
username_str.c_str(),
domainname_str.c_str(),
password_str.c_str(),
LOGON32_LOGON_INTERACTIVE,
LOGON32_PROVIDER_DEFAULT,
&sandbox_account_interactive_token
);
if (retval) {
GetAccountSid(domainname_str.c_str(), username_str.c_str(), &sandbox_account_sid);
}
} else {
username_str = encoded_username_str;
retval = LogonUserA(
username_str.c_str(),
NULL,
password_str.c_str(),
LOGON32_LOGON_INTERACTIVE,
LOGON32_PROVIDER_DEFAULT,
&sandbox_account_interactive_token
);
if (retval) {
GetAccountSid(NULL, username_str.c_str(), &sandbox_account_sid);
}
}
if (!retval) {
sandbox_account_interactive_token = NULL;
sandbox_account_sid = NULL;
} else {
// Adjust the permissions on the current desktop and window station
// to allow the sandbox user account to create windows and such.
//
if (!AddAceToWindowStation(GetProcessWindowStation(), sandbox_account_sid)) {
fprintf(stderr, "Failed to add ACE to current WindowStation\n");
}
if (!AddAceToDesktop(GetThreadDesktop(GetCurrentThreadId()), sandbox_account_sid)) {
fprintf(stderr, "Failed to add ACE to current Desktop\n");
}
}
}
void get_sandbox_account_service_token() {
FILE* f;
char buf[256];
std::string encoded_username_str;
std::string encoded_password_str;
std::string username_str;
std::string domainname_str;
std::string password_str;
int retval = 0;
static bool first=true;
if (!first) return;
first = false;
f = fopen(CLIENT_AUTH_FILENAME, "r");
if (!f) return;
while (fgets(buf, 256, f)) {
if (parse_str(buf, "<username>", encoded_username_str)) continue;
if (parse_str(buf, "<password>", encoded_password_str)) continue;
}
fclose(f);
password_str = r_base64_decode(encoded_password_str);
if (std::string::npos != encoded_username_str.find('\\')) {
domainname_str = encoded_username_str.substr(
0, encoded_username_str.find('\\')
);
username_str = encoded_username_str.substr(
encoded_username_str.rfind(_T('\\')) + 1,
encoded_username_str.length() - encoded_username_str.rfind(_T('\\')) - 1
);
retval = LogonUserA(
username_str.c_str(),
domainname_str.c_str(),
password_str.c_str(),
LOGON32_LOGON_SERVICE,
LOGON32_PROVIDER_DEFAULT,
&sandbox_account_service_token
);
} else {
username_str = encoded_username_str;
retval = LogonUserA(
username_str.c_str(),
NULL,
password_str.c_str(),
LOGON32_LOGON_SERVICE,
LOGON32_PROVIDER_DEFAULT,
&sandbox_account_service_token
);
}
if (!retval) {
sandbox_account_service_token = NULL;
}
}
// Run application, Windows.
// chdir into the given directory, and run a program there.
// argv is set up Unix-style, i.e. argv[0] is the program name
//
// CreateEnvironmentBlock
typedef BOOL (WINAPI *tCEB)(LPVOID *lpEnvironment, HANDLE hToken, BOOL bInherit);
// DestroyEnvironmentBlock
typedef BOOL (WINAPI *tDEB)(LPVOID lpEnvironment);
int run_app_windows(
const char* dir, const char* file, int argc, char *const argv[], HANDLE& id
) {
int retval;
PROCESS_INFORMATION process_info;
STARTUPINFOA startup_info;
LPVOID environment_block = NULL;
char cmdline[1024];
char error_msg[1024];
memset(&process_info, 0, sizeof(process_info));
memset(&startup_info, 0, sizeof(startup_info));
startup_info.cb = sizeof(startup_info);
strcpy(cmdline, "");
for (int i=0; i<argc; i++) {
strcat(cmdline, argv[i]);
if (i<argc-1) {
strcat(cmdline, " ");
}
}
get_sandbox_account_interactive_token();
if (sandbox_account_interactive_token != NULL) {
// Find CreateEnvironmentBlock/DestroyEnvironmentBlock pointers
tCEB pCEB = NULL;
tDEB pDEB = NULL;
HMODULE hUserEnvLib = NULL;
hUserEnvLib = LoadLibraryA("userenv.dll");
if (hUserEnvLib) {
pCEB = (tCEB) GetProcAddress(hUserEnvLib, "CreateEnvironmentBlock");
pDEB = (tDEB) GetProcAddress(hUserEnvLib, "DestroyEnvironmentBlock");
}
// Retrieve the current window station and desktop names
char szWindowStation[256];
memset(szWindowStation, 0, sizeof(szWindowStation));
char szDesktop[256];
memset(szDesktop, 0, sizeof(szDesktop));
char szDesktopName[512];
memset(szDesktopName, 0, sizeof(szDesktopName));
if (!GetUserObjectInformationA(
GetProcessWindowStation(),
UOI_NAME,
&szWindowStation,
sizeof(szWindowStation),
NULL)
) {
windows_error_string(error_msg, sizeof(error_msg));
fprintf(stderr, "GetUserObjectInformation failed: %s\n", error_msg);
}
if (!GetUserObjectInformationA(
GetThreadDesktop(GetCurrentThreadId()),
UOI_NAME,
&szDesktop,
sizeof(szDesktop),
NULL)
) {
windows_error_string(error_msg, sizeof(error_msg));
fprintf(stderr, "GetUserObjectInformation failed: %s\n", error_msg);
}
// Construct the destination desktop name
strncat(szDesktopName, szWindowStation, sizeof(szDesktopName) - strlen(szDesktopName));
strncat(szDesktopName, "\\", sizeof(szDesktopName) - strlen(szDesktopName));
strncat(szDesktopName, szDesktop, sizeof(szDesktopName) - strlen(szDesktopName));
// Tell CreateProcessAsUser which desktop to use explicitly.
startup_info.lpDesktop = szDesktopName;
// Construct an environment block that contains environment variables that don't
// describe the current user.
if (!pCEB(&environment_block, sandbox_account_interactive_token, FALSE)) {
windows_error_string(error_msg, sizeof(error_msg));
fprintf(stderr, "CreateEnvironmentBlock failed: %s\n", error_msg);
}
retval = CreateProcessAsUserA(
sandbox_account_interactive_token,
file,
cmdline,
NULL,
NULL,
FALSE,
CREATE_NEW_PROCESS_GROUP|CREATE_UNICODE_ENVIRONMENT,
environment_block,
dir,
&startup_info,
&process_info
);
if (!pDEB(environment_block)) {
windows_error_string(error_msg, sizeof(error_msg));
fprintf(stderr, "DestroyEnvironmentBlock failed: %s\n", error_msg);
}
if (hUserEnvLib) {
pCEB = NULL;
pDEB = NULL;
FreeLibrary(hUserEnvLib);
}
} else {
retval = CreateProcessA(
file,
cmdline,
NULL,
NULL,
FALSE,
0,
NULL,
dir,
&startup_info,
&process_info
);
}
if (!retval) {
windows_error_string(error_msg, sizeof(error_msg));
fprintf(stderr, "CreateProcess failed: '%s'\n", error_msg);
return -1; // CreateProcess returns 1 if successful, false if it failed.
}
id = process_info.hProcess;
return 0;
}