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
|
/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2020 Robert Manner <robert.manner@oneidentity.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include "sudo_python_module.h"
PyObject *sudo_type_LogHandler;
static void
_debug_plugin(int log_level, const char *log_message)
{
debug_decl_vars(python_sudo_debug, PYTHON_DEBUG_PLUGIN);
if (sudo_debug_needed(SUDO_DEBUG_INFO)) {
// at trace level we output the position for the python log as well
char *func_name = NULL, *file_name = NULL;
long line_number = -1;
if (py_get_current_execution_frame(&file_name, &line_number, &func_name) == SUDO_RC_OK) {
sudo_debug_printf(SUDO_DEBUG_INFO, "%s @ %s:%ld debugs:\n",
func_name, file_name, line_number);
}
free(func_name);
free(file_name);
}
sudo_debug_printf(log_level, "%s\n", log_message);
}
PyObject *
python_sudo_debug(PyObject *Py_UNUSED(py_self), PyObject *py_args)
{
debug_decl(python_sudo_debug, PYTHON_DEBUG_C_CALLS);
py_debug_python_call("sudo", "debug", py_args, NULL, PYTHON_DEBUG_C_CALLS);
int log_level = SUDO_DEBUG_DEBUG;
const char *log_message = NULL;
if (!PyArg_ParseTuple(py_args, "is:sudo.debug", &log_level, &log_message)) {
debug_return_ptr(NULL);
}
_debug_plugin(log_level, log_message);
debug_return_ptr_pynone;
}
static int
_sudo_log_level_from_python(long level)
{
if (level >= 50)
return SUDO_DEBUG_CRIT;
if (level >= 40)
return SUDO_DEBUG_ERROR;
if (level >= 30)
return SUDO_DEBUG_WARN;
if (level >= 20)
return SUDO_DEBUG_INFO;
return SUDO_DEBUG_TRACE;
}
static PyObject *
_sudo_LogHandler__emit(PyObject *py_self, PyObject *py_args)
{
debug_decl(_sudo_LogHandler__emit, PYTHON_DEBUG_C_CALLS);
PyObject *py_record = NULL; // borrowed
PyObject *py_message = NULL;
py_debug_python_call("LogHandler", "emit", py_args, NULL, PYTHON_DEBUG_C_CALLS);
if (!PyArg_UnpackTuple(py_args, "sudo.LogHandler.emit", 2, 2, &py_self, &py_record))
goto cleanup;
long python_loglevel = py_object_get_optional_attr_number(py_record, "levelno");
if (PyErr_Occurred()) {
PyErr_Format(sudo_exc_SudoException, "sudo.LogHandler: Failed to determine log level");
goto cleanup;
}
int sudo_loglevel = _sudo_log_level_from_python(python_loglevel);
py_message = PyObject_CallMethod(py_self, "format", "O", py_record);
if (py_message == NULL)
goto cleanup;
_debug_plugin(sudo_loglevel, PyUnicode_AsUTF8(py_message));
cleanup:
Py_CLEAR(py_message);
if (PyErr_Occurred()) {
debug_return_ptr(NULL);
}
debug_return_ptr_pynone;
}
/* The sudo.LogHandler class can be used to make the default python logger
* use sudo's built in log system. */
static PyMethodDef _sudo_LogHandler_class_methods[] =
{
{"emit", _sudo_LogHandler__emit, METH_VARARGS, ""},
{NULL, NULL, 0, NULL}
};
// This function registers sudo.LogHandler class
int
sudo_module_register_loghandler(PyObject *py_module)
{
debug_decl(sudo_module_register_loghandler, PYTHON_DEBUG_INTERNAL);
PyObject *py_logging_module = NULL, *py_streamhandler = NULL;
py_logging_module = PyImport_ImportModule("logging");
if (py_logging_module == NULL)
goto cleanup;
py_streamhandler = PyObject_GetAttrString(py_logging_module, "StreamHandler");
if (py_streamhandler == NULL)
goto cleanup;
sudo_type_LogHandler = sudo_module_create_class("sudo.LogHandler",
_sudo_LogHandler_class_methods, py_streamhandler);
if (sudo_type_LogHandler == NULL)
goto cleanup;
if (PyModule_AddObject(py_module, "LogHandler", sudo_type_LogHandler) < 0)
goto cleanup;
Py_INCREF(sudo_type_LogHandler);
cleanup:
Py_CLEAR(py_streamhandler);
Py_CLEAR(py_logging_module);
debug_return_int(PyErr_Occurred() ? SUDO_RC_ERROR : SUDO_RC_OK);
}
// This sets sudo.LogHandler as the default log handler:
// logging.getLogger().addHandler(sudo.LogHandler())
int
sudo_module_set_default_loghandler(void)
{
debug_decl(sudo_module_set_default_loghandler, PYTHON_DEBUG_INTERNAL);
PyObject *py_loghandler = NULL, *py_logging_module = NULL,
*py_logger = NULL, *py_result = NULL;
py_loghandler = PyObject_CallObject(sudo_type_LogHandler, NULL);
if (py_loghandler == NULL)
goto cleanup;
py_logging_module = PyImport_ImportModule("logging");
if (py_logging_module == NULL)
goto cleanup;
py_logger = PyObject_CallMethod(py_logging_module, "getLogger", NULL);
if (py_logger == NULL)
goto cleanup;
py_result = PyObject_CallMethod(py_logger, "addHandler", "O", py_loghandler);
cleanup:
Py_CLEAR(py_result);
Py_CLEAR(py_logger);
Py_CLEAR(py_logging_module);
Py_CLEAR(py_loghandler);
debug_return_int(PyErr_Occurred() ? SUDO_RC_ERROR : SUDO_RC_OK);
}
|
