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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
This file is part of GNUnet
Copyright (C) 2010 GNUnet e.V.
GNUnet 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 3, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file contrib/timeout_watchdog_w32.c
* @brief small tool starting a child process, waiting that it terminates or killing it after a given timeout period
* @author LRN
*/
#include <windows.h>
#include <sys/types.h>
#include <stdio.h>
int
main (int argc, char *argv[])
{
int i;
DWORD wait_result;
wchar_t *commandline;
wchar_t **wargv;
wchar_t *arg;
unsigned int cmdlen;
STARTUPINFOW start;
PROCESS_INFORMATION proc;
wchar_t wpath[MAX_PATH + 1];
wchar_t *pathbuf;
DWORD pathbuf_len, alloc_len;
wchar_t *ptr;
wchar_t *non_const_filename;
wchar_t *wcmd;
int wargc;
int timeout = 0;
ssize_t wrote;
HANDLE job;
if (argc < 3)
{
printf
("arg 1: timeout in sec., arg 2: executable, arg<n> arguments\n");
exit (1);
}
timeout = atoi (argv[1]);
if (timeout == 0)
timeout = 600;
commandline = GetCommandLineW ();
if (commandline == NULL)
{
printf ("Failed to get commandline: %lu\n", GetLastError ());
exit (2);
}
wargv = CommandLineToArgvW (commandline, &wargc);
if (wargv == NULL || wargc <= 1)
{
printf ("Failed to get parse commandline: %lu\n", GetLastError ());
exit (3);
}
job = CreateJobObject (NULL, NULL);
if (job == NULL)
{
printf ("Failed to create a job: %lu\n", GetLastError ());
exit (4);
}
pathbuf_len = GetEnvironmentVariableW (L"PATH", (wchar_t *) &pathbuf, 0);
alloc_len = pathbuf_len + 1;
pathbuf = malloc (alloc_len * sizeof (wchar_t));
ptr = pathbuf;
alloc_len = GetEnvironmentVariableW (L"PATH", ptr, pathbuf_len);
cmdlen = wcslen (wargv[2]);
if (cmdlen < 5 || wcscmp (&wargv[2][cmdlen - 4], L".exe") != 0)
{
non_const_filename = malloc (sizeof (wchar_t) * (cmdlen + 5));
swprintf (non_const_filename, cmdlen + 5, L"%S.exe", wargv[2]);
}
else
{
non_const_filename = wcsdup (wargv[2]);
}
/* Check that this is the full path. If it isn't, search. */
if (non_const_filename[1] == L':')
swprintf (wpath, sizeof (wpath) / sizeof (wchar_t), L"%S", non_const_filename);
else if (!SearchPathW
(pathbuf, non_const_filename, NULL, sizeof (wpath) / sizeof (wchar_t),
wpath, NULL))
{
printf ("Failed to get find executable: %lu\n", GetLastError ());
exit (5);
}
free (pathbuf);
free (non_const_filename);
cmdlen = wcslen (wpath) + 4;
i = 3;
while (NULL != (arg = wargv[i++]))
cmdlen += wcslen (arg) + 4;
wcmd = malloc (sizeof (wchar_t) * (cmdlen + 1));
wrote = 0;
i = 2;
while (NULL != (arg = wargv[i++]))
{
/* This is to escape trailing slash */
wchar_t arg_lastchar = arg[wcslen (arg) - 1];
if (wrote == 0)
{
wrote += swprintf (&wcmd[wrote], cmdlen + 1 - wrote, L"\"%S%S\" ", wpath,
arg_lastchar == L'\\' ? L"\\" : L"");
}
else
{
if (wcschr (arg, L' ') != NULL)
wrote += swprintf (&wcmd[wrote], cmdlen + 1 - wrote, L"\"%S%S\"%S", arg,
arg_lastchar == L'\\' ? L"\\" : L"", i == wargc ? L"" : L" ");
else
wrote += swprintf (&wcmd[wrote], cmdlen + 1 - wrote, L"%S%S%S", arg,
arg_lastchar == L'\\' ? L"\\" : L"", i == wargc ? L"" : L" ");
}
}
LocalFree (wargv);
memset (&start, 0, sizeof (start));
start.cb = sizeof (start);
if (!CreateProcessW (wpath, wcmd, NULL, NULL, TRUE, CREATE_SUSPENDED,
NULL, NULL, &start, &proc))
{
wprintf (L"Failed to get spawn process `%S' with arguments `%S': %lu\n", wpath, wcmd, GetLastError ());
exit (6);
}
AssignProcessToJobObject (job, proc.hProcess);
ResumeThread (proc.hThread);
CloseHandle (proc.hThread);
free (wcmd);
wait_result = WaitForSingleObject (proc.hProcess, timeout * 1000);
if (wait_result == WAIT_OBJECT_0)
{
DWORD status;
wait_result = GetExitCodeProcess (proc.hProcess, &status);
CloseHandle (proc.hProcess);
if (wait_result != 0)
{
printf ("Test process exited with result %lu\n", status);
TerminateJobObject (job, status);
exit (status);
}
printf ("Test process exited (failed to obtain exit status)\n");
TerminateJobObject (job, 0);
exit (0);
}
printf ("Child processes were killed after timeout of %u seconds\n",
timeout);
TerminateJobObject (job, 1);
CloseHandle (proc.hProcess);
exit (1);
}
/* end of timeout_watchdog_w32.c */
|
