FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
pythonnet/src/monoclr/pynetinit.c at master · attackgithub/pythonnet · GitHub
attackgithub
pythonnet
Repository navigation
Code
Pull requests
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
pythonnet
/
src
/
monoclr
/
pynetinit.c
Copy path
More file actions
More file actions
Latest commit
History
History
History
252 lines (220 loc) · 6.83 KB
Breadcrumbs
pythonnet
/
src
/
monoclr
/
pynetinit.c
Copy path
File metadata and controls
252 lines (220 loc) · 6.83 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
#include
"pynetclr.h"
#include
"stdlib.h"
#ifndef
_WIN32
#include
"dirent.h"
#include
"dlfcn.h"
#include
"libgen.h"
#include
"alloca.h"
#endif
// initialize Mono and PythonNet
PyNet_Args
*
PyNet_Init
(
int
ext
)
{
PyNet_Args
*
pn_args
;
pn_args
=
(
PyNet_Args
*
)
malloc
(
sizeof
(
PyNet_Args
));
pn_args
->
pr_file
=
PR_ASSEMBLY
;
pn_args
->
error
=
NULL
;
pn_args
->
shutdown
=
NULL
;
pn_args
->
module
=
NULL
;
if
(
ext
==
0
)
{
pn_args
->
init_name
=
"Python.Runtime:Initialize()"
;
}
else
{
pn_args
->
init_name
=
"Python.Runtime:InitExt()"
;
}
pn_args
->
shutdown_name
=
"Python.Runtime:Shutdown()"
;
pn_args
->
domain
=
mono_jit_init_version
(
MONO_DOMAIN
,
MONO_VERSION
);
mono_domain_set_config
(
pn_args
->
domain
,
"."
,
"Python.Runtime.dll.config"
);
/*
* Load the default Mono configuration file, this is needed
* if you are planning on using the dllmaps defined on the
* system configuration
*/
mono_config_parse
(
NULL
);
/* I can't use this call to run the main_thread_handler. The function
* runs it in another thread but *this* thread holds the Python
* import lock -> DEAD LOCK.
*
* mono_runtime_exec_managed_code(pn_args->domain, main_thread_handler,
* pn_args);
*/
main_thread_handler
(
pn_args
);
if
(
pn_args
->
error
!=
NULL
)
{
PyErr_SetString
(
PyExc_ImportError
,
pn_args
->
error
);
}
return
pn_args
;
}
// Shuts down PythonNet and cleans up Mono
void
PyNet_Finalize
(
PyNet_Args
*
pn_args
)
{
MonoObject
*
exception
=
NULL
;
if
(
pn_args
->
shutdown
)
{
mono_runtime_invoke
(
pn_args
->
shutdown
,
NULL
,
NULL
,
&
exception
);
if
(
exception
)
{
pn_args
->
error
=
PyNet_ExceptionToString
(
exception
);
}
pn_args
->
shutdown
=
NULL
;
}
if
(
pn_args
->
domain
)
{
mono_jit_cleanup
(
pn_args
->
domain
);
pn_args
->
domain
=
NULL
;
}
free
(
pn_args
);
}
MonoMethod
*
getMethodFromClass
(
MonoClass
*
cls
,
char
*
name
)
{
MonoMethodDesc
*
mdesc
;
MonoMethod
*
method
;
mdesc
=
mono_method_desc_new
(
name
,
1
);
method
=
mono_method_desc_search_in_class
(
mdesc
,
cls
);
mono_method_desc_free
(
mdesc
);
return
method
;
}
void
main_thread_handler
(
gpointer
user_data
)
{
PyNet_Args
*
pn_args
=
(
PyNet_Args
*
)
user_data
;
MonoMethod
*
init
;
MonoImage
*
pr_image
;
MonoClass
*
pythonengine
;
MonoObject
*
exception
=
NULL
;
MonoObject
*
init_result
;
#ifndef
_WIN32
// Get the filename of the python shared object and set
// LD_LIBRARY_PATH so Mono can find it.
Dl_info
dlinfo
=
{
0
};
if
(
0
!=
dladdr
(
&
Py_Initialize
,
&
dlinfo
))
{
char
*
fname
=
alloca
(
strlen
(
dlinfo
.
dli_fname
)
+
1
);
strcpy
(
fname
,
dlinfo
.
dli_fname
);
char
*
py_libdir
=
dirname
(
fname
);
char
*
ld_library_path
=
getenv
(
"LD_LIBRARY_PATH"
);
if
(
NULL
==
ld_library_path
)
{
setenv
(
"LD_LIBRARY_PATH"
,
py_libdir
,
1
);
}
else
{
char
*
new_ld_library_path
=
alloca
(
strlen
(
py_libdir
)
+
strlen
(
ld_library_path
)
+
2
);
strcpy
(
new_ld_library_path
,
py_libdir
);
strcat
(
new_ld_library_path
,
":"
);
strcat
(
new_ld_library_path
,
ld_library_path
);
setenv
(
"LD_LIBRARY_PATH"
,
py_libdir
,
1
);
}
}
//get python path system variable
PyObject
*
syspath
=
PySys_GetObject
(
"path"
);
char
*
runtime_full_path
=
(
char
*
)
malloc
(
1024
);
const
char
*
slash
=
"/"
;
int
found
=
0
;
int
ii
=
0
;
for
(
ii
=
0
;
ii
<
PyList_Size
(
syspath
);
++
ii
)
{
#if
PY_MAJOR_VERSION
>=
3
Py_ssize_t
wlen
;
wchar_t
*
wstr
=
PyUnicode_AsWideCharString
(
PyList_GetItem
(
syspath
,
ii
),
&
wlen
);
char
*
pydir
=
(
char
*
)
malloc
(
wlen
+
1
);
size_t
mblen
=
wcstombs
(
pydir
,
wstr
,
wlen
+
1
);
if
(
mblen
>
wlen
)
pydir
[
wlen
]
=
'\0'
;
PyMem_Free
(
wstr
);
#else
const
char
*
pydir
=
PyString_AsString
(
PyList_GetItem
(
syspath
,
ii
));
#endif
char
*
curdir
=
(
char
*
)
malloc
(
1024
);
strncpy
(
curdir
,
strlen
(
pydir
)
>
0
?
pydir
:
"."
,
1024
);
strncat
(
curdir
,
slash
,
1024
);
#if
PY_MAJOR_VERSION
>=
3
free
(
pydir
);
#endif
//look in this directory for the pn_args->pr_file
DIR
*
dirp
=
opendir
(
curdir
);
if
(
dirp
!=
NULL
)
{
struct
dirent
*
dp
;
while
((
dp
=
readdir
(
dirp
))
!=
NULL
)
{
if
(
strcmp
(
dp
->
d_name
,
pn_args
->
pr_file
)
==
0
)
{
strcpy
(
runtime_full_path
,
curdir
);
strcat
(
runtime_full_path
,
pn_args
->
pr_file
);
found
=
1
;
break
;
}
}
closedir
(
dirp
);
}
free
(
curdir
);
if
(
found
)
{
pn_args
->
pr_file
=
runtime_full_path
;
break
;
}
}
if
(!
found
)
{
fprintf
(
stderr
,
"Could not find assembly %s. \n"
,
pn_args
->
pr_file
);
return
;
}
#endif
pn_args
->
pr_assm
=
mono_domain_assembly_open
(
pn_args
->
domain
,
pn_args
->
pr_file
);
if
(!
pn_args
->
pr_assm
)
{
pn_args
->
error
=
"Unable to load assembly"
;
return
;
}
#ifndef
_WIN32
free
(
runtime_full_path
);
#endif
pr_image
=
mono_assembly_get_image
(
pn_args
->
pr_assm
);
if
(!
pr_image
)
{
pn_args
->
error
=
"Unable to get image"
;
return
;
}
pythonengine
=
mono_class_from_name
(
pr_image
,
"Python.Runtime"
,
"PythonEngine"
);
if
(!
pythonengine
)
{
pn_args
->
error
=
"Unable to load class PythonEngine from Python.Runtime"
;
return
;
}
init
=
getMethodFromClass
(
pythonengine
,
pn_args
->
init_name
);
if
(!
init
)
{
pn_args
->
error
=
"Unable to fetch Init method from PythonEngine"
;
return
;
}
pn_args
->
shutdown
=
getMethodFromClass
(
pythonengine
,
pn_args
->
shutdown_name
);
if
(!
pn_args
->
shutdown
)
{
pn_args
->
error
=
"Unable to fetch shutdown method from PythonEngine"
;
return
;
}
init_result
=
mono_runtime_invoke
(
init
,
NULL
,
NULL
,
&
exception
);
if
(
exception
)
{
pn_args
->
error
=
PyNet_ExceptionToString
(
exception
);
return
;
}
#if
PY_MAJOR_VERSION
>=
3
if
(
NULL
!=
init_result
)
pn_args
->
module
=
*
(
PyObject
*
*
)
mono_object_unbox
(
init_result
);
#endif
}
// Get string from a Mono exception
char
*
PyNet_ExceptionToString
(
MonoObject
*
e
)
{
MonoMethodDesc
*
mdesc
=
mono_method_desc_new
(
":ToString()"
, FALSE);
MonoMethod
*
mmethod
=
mono_method_desc_search_in_class
(
mdesc
,
mono_get_object_class
());
mono_method_desc_free
(
mdesc
);
mmethod
=
mono_object_get_virtual_method
(
e
,
mmethod
);
MonoString
*
monoString
=
(
MonoString
*
)
mono_runtime_invoke
(
mmethod
,
e
,
NULL
,
NULL
);
mono_runtime_invoke
(
mmethod
,
e
,
NULL
,
NULL
);
return
mono_string_to_utf8
(
monoString
);
}
Back
|
FazBrowse Home
|
New Git URL