-
-
Notifications
You must be signed in to change notification settings - Fork 18
/
Copy pathInspect-PhpExtension.c
197 lines (186 loc) · 6.41 KB
/
Inspect-PhpExtension.c
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
#include <windows.h>
#include <inttypes.h>
#include <stdio.h>
typedef struct {
LPCSTR error;
int apiVersion;
LPCSTR threadSafe;
LPCSTR type;
LPCSTR name;
LPCSTR version;
} extensionInfo;
// zend_module_entry is defined in php/Zend/zend_modules.h
typedef struct {
uint16_t size;
DWORD zend_api;
} zend_module_entry_Base;
typedef struct {
zend_module_entry_Base common;
uint8_t zend_debug;
uint8_t zts;
LPVOID ini_entry;
LPVOID deps; // NEW VS 20020429
LPCSTR name;
LPVOID functions;
LPVOID module_startup_func;
LPVOID module_shutdown_func;
LPVOID request_startup_func;
LPVOID request_shutdown_func;
LPVOID info_func;
LPCSTR version;
// etcetera
} zend_module_entry_20050617;
typedef struct {
zend_module_entry_Base common;
uint8_t zend_debug;
uint8_t zts;
LPVOID ini_entry;
LPCSTR name;
LPVOID functions;
LPVOID module_startup_func;
LPVOID module_shutdown_func;
LPVOID request_startup_func;
LPVOID request_shutdown_func;
LPVOID info_func;
LPCSTR version;
// etcetera
} zend_module_entry_20020429;
typedef zend_module_entry_Base*(__stdcall *getModuleEntryBase)();
typedef struct {
LPCSTR name;
LPCSTR version;
LPCSTR author;
LPCSTR URL;
LPCSTR copyright;
} zend_extension_entry;
void parsePhpExtension(HMODULE hModule, extensionInfo* extensionInfo)
{
FARPROC get_moduleAddress = GetProcAddress(hModule, "get_module");
if (get_moduleAddress == NULL) {
get_moduleAddress = GetProcAddress(hModule, "_get_module");
}
if (get_moduleAddress != NULL) {
zend_module_entry_Base* zmeBase = ((getModuleEntryBase)get_moduleAddress)();
if (zmeBase->zend_api > 29991231) {
extensionInfo->error = "Unrecognized ZEND_MODULE_API_NO";
} else if (zmeBase->zend_api >= 20050617) {
zend_module_entry_20050617* zme = (zend_module_entry_20050617*) zmeBase;
if (zme->zts != 0 && zme->zts != 1) {
extensionInfo->error = "Invalid value of zts";
} else {
extensionInfo->apiVersion = zmeBase->zend_api;
extensionInfo->type = "Php";
extensionInfo->threadSafe = zme->zts == 0 ? "0" : "1";
if (zme->name != NULL && zme->name[0] != '\0') {
extensionInfo->name = zme->name;
}
if (zme->version != NULL && zme->version[0] != '\0') {
extensionInfo->version = zme->version;
}
}
} else if (zmeBase->zend_api >= 20020429) {
zend_module_entry_20020429* zme = (zend_module_entry_20020429*) zmeBase;
if (zme->zts != 0 && zme->zts != 1) {
extensionInfo->error = "Invalid value of zts";
} else {
extensionInfo->apiVersion = zmeBase->zend_api;
extensionInfo->type = "Php";
extensionInfo->threadSafe = zme->zts == 0 ? "0" : "1";
if (zme->name != NULL && zme->name[0] != '\0') {
extensionInfo->name = zme->name;
}
if (zme->version != NULL && zme->version[0] != '\0') {
extensionInfo->version = zme->version;
}
}
} else {
extensionInfo->error = "Unrecognized ZEND_MODULE_API_NO";
}
}
}
void parseZendExtension(HMODULE hModule, extensionInfo* extensionInfo)
{
FARPROC zend_extension_entryAddress = GetProcAddress(hModule, "zend_extension_entry");
if (zend_extension_entryAddress == NULL) {
zend_extension_entryAddress = GetProcAddress(hModule, "_zend_extension_entry");
}
if (zend_extension_entryAddress != NULL) {
FARPROC extension_version_infoAddress = GetProcAddress(hModule, "extension_version_info");
if (extension_version_infoAddress == NULL) {
extension_version_infoAddress = GetProcAddress(hModule, "_extension_version_info");
}
if (extension_version_infoAddress != NULL) {
zend_extension_entry* zee = (zend_extension_entry*) zend_extension_entryAddress;
extensionInfo->type = "Zend";
if (zee->name != NULL && zee->name[0] != '\0') {
extensionInfo->name = zee->name;
}
if (zee->version != NULL && zee->version[0] != '\0') {
extensionInfo->version = zee->version;
}
}
}
}
void parseDll(HMODULE hModule, extensionInfo* extensionInfo)
{
if (extensionInfo->error == NULL) {
parsePhpExtension(hModule, extensionInfo);
if (extensionInfo->error == NULL) {
parseZendExtension(hModule, extensionInfo);
}
}
}
void parseFile(LPCSTR filename, LPCSTR architecture)
{
HMODULE hModule = LoadLibraryEx(filename, NULL, DONT_RESOLVE_DLL_REFERENCES);
if (hModule == NULL) {
printf("Unable to open the DLL.\n");
} else {
extensionInfo extensionInfo;
ZeroMemory(&extensionInfo, sizeof(extensionInfo));
parseDll(hModule, &extensionInfo);
if (extensionInfo.error != NULL) {
printf("%s\n", extensionInfo.error);
} else if (extensionInfo.type == NULL) {
printf("Unrecognized DLL.\n");
} else {
printf(
"api:%d\tarchitecture:%s\tthreadSafe:%s\ttype:%s\tname:%s\tversion:%s\tfilename:%s\n",
extensionInfo.apiVersion,
architecture,
extensionInfo.threadSafe == NULL ? "" : extensionInfo.threadSafe,
extensionInfo.type,
extensionInfo.name == NULL ? "" : extensionInfo.name,
extensionInfo.version == NULL ? "" : extensionInfo.version,
filename
);
}
FreeLibrary(hModule);
}
}
int main(int argc, LPCSTR argv[])
{
if (argc < 2) {
printf("Syntax: %s <path-to-extension-1> ... <path-to-extension-N>\n", argv[0]);
return 1;
}
LPCSTR architecture;
switch (sizeof(LPVOID)) {
case 4:
architecture = "x86";
break;
case 8:
architecture = "x64";
break;
default:
printf("Unrecognized architecture.\n");
return 1;
break;
}
UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
for (int i = 1; i < argc; i++) {
parseFile(argv[i], architecture);
}
SetErrorMode(errorMode);
return 0;
}