1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* rsyncrypto - an rsync friendly encryption
* Copyright (C) 2005-2008 Shachar Shemesh for Lingnu Open Source Consulting ltd.
*
* 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
*
* In addition, as a special exception, the rsyncrypto authors give permission
* to link the code of this program with the OpenSSL library (or with modified
* versions of OpenSSL that use the same license as OpenSSL), and distribute
* linked combinations including the two. You must obey the GNU General Public
* License in all respects for all of the code used other than OpenSSL. If you
* modify this file, you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* The project's homepage is at http://rsyncrypto.lingnu.com
*/
#include "../precomp.h"
#include "process.h"
#include "win32redir.h"
process_ctl::process_ctl( char *cmd, redir *input, redir *output, redir *error, ... )
{
STARTUPINFO siStartInfo;
// Set up members of the STARTUPINFO structure.
ZeroMemory( &siStartInfo, sizeof(STARTUPINFO) );
siStartInfo.cb = sizeof(STARTUPINFO);
siStartInfo.dwFlags= STARTF_FORCEOFFFEEDBACK|STARTF_USESTDHANDLES;
siStartInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
siStartInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
siStartInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE);
autohandle input_stream;
win32_redir_opaq inop, outop, errop;
inop.si=outop.si=errop.si=&siStartInfo;
if( input!=NULL )
input->parent_redirect( STDIN_FILENO, &inop );
if( output!=NULL )
output->parent_redirect( STDOUT_FILENO, &outop );
if( error!=NULL )
error->parent_redirect( STDERR_FILENO, &errop );
// Set up members of the PROCESS_INFORMATION structure.
ZeroMemory( &pInfo, sizeof(pInfo) );
std::string cmdline;
cmdline="\"";
cmdline+=cmd;
cmdline+="\" ";
va_list args;
va_start(args, error);
const char *param;
while( (param=va_arg(args, const char *))!=NULL ) {
if( *param=='\0' || strchr( param, ' ' )==NULL ) {
cmdline+="\"";
cmdline+=param;
cmdline+="\" ";
} else {
cmdline+=param;
cmdline+=" ";
}
}
va_end(args);
// Create the child process.
if( CreateProcess(NULL,
const_cast<char *>(cmdline.c_str()), // command line
NULL, // process security attributes
NULL, // primary thread security attributes
TRUE, // handles are inherited
CREATE_DEFAULT_ERROR_MODE|NORMAL_PRIORITY_CLASS, // creation flags
NULL, // use parent's environment
NULL, // use parent's current directory
&siStartInfo, // STARTUPINFO pointer
&pInfo) ) // receives PROCESS_INFORMATION
{
hProcess=autohandle(pInfo.hProcess);
hThread=autohandle(pInfo.hThread);
} else
{
// CreateProcess failed
throw rscerror("Child process not created", Error2errno(GetLastError()) );
}
}
int process_ctl::wait() const
{
WaitForSingleObject(hProcess, INFINITE);
DWORD exitcode=-1;
if( !GetExitCodeProcess( hProcess, &exitcode ) )
throw rscerror("Couldn't get child process return code", Error2errno(GetLastError()));
return exitcode;
}
|
