1 #include "php.h"
2 #include "php_ini.h"
3 #include "php_win32_globals.h"
4
5 #define PHP_REGISTRY_KEY "SOFTWARE\\PHP"
6
7 #define PHP_VER1(V1) #V1
8 #define PHP_VER2(V1,V2) #V1"."#V2
9 #define PHP_VER3(V1,V2,V3) #V1"."#V2"."#V3
10
11 #define PHP_REGISTRY_KEYV(VER) PHP_REGISTRY_KEY"\\"VER
12 #define PHP_REGISTRY_KEY1(V1) PHP_REGISTRY_KEY"\\"PHP_VER1(V1)
13 #define PHP_REGISTRY_KEY2(V1,V2) PHP_REGISTRY_KEY"\\"PHP_VER2(V1,V2)
14 #define PHP_REGISTRY_KEY3(V1,V2,V3) PHP_REGISTRY_KEY"\\"PHP_VER3(V1,V2,V3)
15
16 static const char* registry_keys[] = {
17 PHP_REGISTRY_KEYV(PHP_VERSION),
18 PHP_REGISTRY_KEY3(PHP_MAJOR_VERSION, PHP_MINOR_VERSION, PHP_RELEASE_VERSION),
19 PHP_REGISTRY_KEY2(PHP_MAJOR_VERSION, PHP_MINOR_VERSION),
20 PHP_REGISTRY_KEY1(PHP_MAJOR_VERSION),
21 PHP_REGISTRY_KEY,
22 NULL
23 };
24
OpenPhpRegistryKey(char * sub_key,HKEY * hKey)25 static int OpenPhpRegistryKey(char* sub_key, HKEY *hKey)
26 {
27 const char **key_name = registry_keys;
28
29 if (sub_key) {
30 int main_key_len;
31 int sub_key_len = strlen(sub_key);
32 char *reg_key;
33
34 while (*key_name) {
35 LONG ret;
36
37 main_key_len = strlen(*key_name);
38 reg_key = emalloc(main_key_len + sub_key_len + 1);
39 memcpy(reg_key, *key_name, main_key_len);
40 memcpy(reg_key + main_key_len, sub_key, sub_key_len + 1);
41 ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, reg_key, 0, KEY_READ, hKey);
42 efree(reg_key);
43
44 if (ret == ERROR_SUCCESS) {
45 return 1;
46 }
47 ++key_name;
48 }
49 } else {
50 while (*key_name) {
51 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, *key_name, 0, KEY_READ, hKey) == ERROR_SUCCESS) {
52 return 1;
53 }
54 ++key_name;
55 }
56 }
57 return 0;
58 }
59
LoadDirectory(HashTable * directories,HKEY key,char * path,int path_len,HashTable * parent_ht)60 static int LoadDirectory(HashTable *directories, HKEY key, char *path, int path_len, HashTable *parent_ht)
61 {
62 DWORD keys, values, max_key, max_name, max_value;
63 int ret = 0;
64 HashTable *ht = NULL;
65
66 if (RegQueryInfoKey(key, NULL, NULL, NULL, &keys, &max_key, NULL, &values, &max_name, &max_value, NULL, NULL) == ERROR_SUCCESS) {
67
68 if (values) {
69 DWORD i;
70 char *name = (char*)emalloc(max_name+1);
71 char *value = (char*)emalloc(max_value+1);
72 DWORD name_len, type, value_len;
73 zval *data;
74
75 for (i = 0; i < values; i++) {
76 name_len = max_name+1;
77 value_len = max_value+1;
78 if (RegEnumValue(key, i, name, &name_len, NULL, &type, value, &value_len) == ERROR_SUCCESS) {
79 if ((type == REG_SZ) || (type == REG_EXPAND_SZ)) {
80 if (!ht) {
81 ht = (HashTable*)malloc(sizeof(HashTable));
82 if (!ht) {
83 return ret;
84 }
85 zend_hash_init(ht, 0, NULL, ZVAL_INTERNAL_PTR_DTOR, 1);
86 }
87 data = (zval*)malloc(sizeof(zval));
88 if (!data) {
89 return ret;
90 }
91 INIT_PZVAL(data);
92 Z_STRVAL_P(data) = zend_strndup(value, value_len-1);
93 Z_STRLEN_P(data) = value_len-1;
94 Z_TYPE_P(data) = IS_STRING;
95 zend_hash_update(ht, name, name_len+1, &data, sizeof(zval*), NULL);
96 }
97 }
98 }
99 if (ht) {
100 if (parent_ht) {
101 HashPosition pos;
102 char *index;
103 uint index_len;
104 ulong num;
105 zval **tmpdata;
106
107 for (zend_hash_internal_pointer_reset_ex(parent_ht, &pos);
108 zend_hash_get_current_data_ex(parent_ht, (void**)&tmpdata, &pos) == SUCCESS &&
109 zend_hash_get_current_key_ex(parent_ht, &index, &index_len, &num, 0, &pos) == HASH_KEY_IS_STRING;
110 zend_hash_move_forward_ex(parent_ht, &pos)) {
111 if (zend_hash_add(ht, index, index_len, tmpdata, sizeof(zval*), NULL) == SUCCESS) {
112 Z_ADDREF_PP(tmpdata);
113 }
114 }
115 }
116 zend_hash_update(directories, path, path_len+1, &ht, sizeof(HashTable*), NULL);
117 ret = 1;
118 }
119
120 efree(name);
121 efree(value);
122 }
123
124 if (ht == NULL) {
125 ht = parent_ht;
126 }
127
128 if (keys) {
129 DWORD i;
130 char *name = (char*)emalloc(max_key+1);
131 char *new_path = (char*)emalloc(path_len+max_key+2);
132 DWORD name_len;
133 FILETIME t;
134 HKEY subkey;
135
136 for (i = 0; i < keys; i++) {
137 name_len = max_key+1;
138 if (RegEnumKeyEx(key, i, name, &name_len, NULL, NULL, NULL, &t) == ERROR_SUCCESS) {
139 if (RegOpenKeyEx(key, name, 0, KEY_READ, &subkey) == ERROR_SUCCESS) {
140 if (path_len) {
141 memcpy(new_path, path, path_len);
142 new_path[path_len] = '/';
143 memcpy(new_path+path_len+1, name, name_len+1);
144 zend_str_tolower(new_path, path_len+name_len+1);
145 name_len += path_len+1;
146 } else {
147 memcpy(new_path, name, name_len+1);
148 zend_str_tolower(new_path, name_len);
149 }
150 if (LoadDirectory(directories, subkey, new_path, name_len, ht)) {
151 ret = 1;
152 }
153 RegCloseKey(subkey);
154 }
155 }
156 }
157 efree(new_path);
158 efree(name);
159 }
160 }
161 return ret;
162 }
163
delete_internal_hashtable(void * data)164 static void delete_internal_hashtable(void *data)
165 {
166 zend_hash_destroy(*(HashTable**)data);
167 free(*(HashTable**)data);
168 }
169
170 #define RegNotifyFlags (REG_NOTIFY_CHANGE_NAME | REG_NOTIFY_CHANGE_ATTRIBUTES | REG_NOTIFY_CHANGE_LAST_SET)
171
UpdateIniFromRegistry(char * path TSRMLS_DC)172 void UpdateIniFromRegistry(char *path TSRMLS_DC)
173 {
174 char *p, *orig_path;
175 int path_len;
176 HashTable **pht;
177
178 if(!path) {
179 return;
180 }
181
182 if (!PW32G(registry_directories)) {
183 PW32G(registry_directories) = (HashTable*)malloc(sizeof(HashTable));
184 if (!PW32G(registry_directories)) {
185 return;
186 }
187 zend_hash_init(PW32G(registry_directories), 0, NULL, delete_internal_hashtable, 1);
188 if (!OpenPhpRegistryKey("\\Per Directory Values", &PW32G(registry_key))) {
189 PW32G(registry_key) = NULL;
190 return;
191 }
192 PW32G(registry_event) = CreateEvent(NULL, TRUE, FALSE, NULL);
193 if (PW32G(registry_event)) {
194 RegNotifyChangeKeyValue(PW32G(registry_key), TRUE, RegNotifyFlags, PW32G(registry_event), TRUE);
195 }
196 if (!LoadDirectory(PW32G(registry_directories), PW32G(registry_key), "", 0, NULL)) {
197 return;
198 }
199 } else if (PW32G(registry_event) && WaitForSingleObject(PW32G(registry_event), 0) == WAIT_OBJECT_0) {
200 RegNotifyChangeKeyValue(PW32G(registry_key), TRUE, RegNotifyFlags, PW32G(registry_event), TRUE);
201 zend_hash_clean(PW32G(registry_directories));
202 if (!LoadDirectory(PW32G(registry_directories), PW32G(registry_key), "", 0, NULL)) {
203 return;
204 }
205 } else if (zend_hash_num_elements(PW32G(registry_directories)) == 0) {
206 return;
207 }
208
209 orig_path = path = estrdup(path);
210
211 /* Get rid of C:, if exists */
212 p = strchr(path, ':');
213 if (p) {
214 *p = path[0]; /* replace the colon with the drive letter */
215 path = p; /* make path point to the drive letter */
216 } else {
217 if (path[0] != '\\' && path[0] != '/') {
218 char tmp_buf[MAXPATHLEN], *cwd;
219 char drive_letter;
220
221 /* get current working directory and prepend it to the path */
222 if (!VCWD_GETCWD(tmp_buf, MAXPATHLEN)) {
223 efree(orig_path);
224 return;
225 }
226 cwd = strchr(tmp_buf, ':');
227 if (!cwd) {
228 drive_letter = 'C';
229 cwd = tmp_buf;
230 } else {
231 drive_letter = tmp_buf[0];
232 cwd++;
233 }
234 while (*cwd == '\\' || *cwd == '/') {
235 cwd++;
236 }
237 spprintf(&path, 0, "%c\\%s\\%s", drive_letter, cwd, orig_path);
238 efree(orig_path);
239 orig_path = path;
240 }
241 }
242
243 path_len = 0;
244 while (path[path_len] != 0) {
245 if (path[path_len] == '\\') {
246 path[path_len] = '/';
247 }
248 path_len++;
249 }
250 zend_str_tolower(path, path_len);
251 while (path_len >= 0) {
252 if (zend_hash_find(PW32G(registry_directories), path, path_len+1, (void**)&pht) == SUCCESS) {
253 HashTable *ht = *pht;
254 HashPosition pos;
255 char *index;
256 uint index_len;
257 ulong num;
258 zval **data;
259
260 for (zend_hash_internal_pointer_reset_ex(ht, &pos);
261 zend_hash_get_current_data_ex(ht, (void**)&data, &pos) == SUCCESS &&
262 zend_hash_get_current_key_ex(ht, &index, &index_len, &num, 0, &pos) == HASH_KEY_IS_STRING;
263 zend_hash_move_forward_ex(ht, &pos)) {
264 zend_alter_ini_entry(index, index_len, Z_STRVAL_PP(data), Z_STRLEN_PP(data), PHP_INI_USER, PHP_INI_STAGE_ACTIVATE);
265 }
266 break;
267 }
268 if (--path_len > 0) {
269 while (path_len > 0 && path[path_len] != '/') {
270 path_len--;
271 }
272 }
273 path[path_len] = 0;
274 }
275
276 efree(orig_path);
277 }
278
279 #define PHPRC_REGISTRY_NAME "IniFilePath"
280
GetIniPathFromRegistry()281 char *GetIniPathFromRegistry()
282 {
283 char *reg_location = NULL;
284 HKEY hKey;
285
286 if (OpenPhpRegistryKey(NULL, &hKey)) {
287 DWORD buflen = MAXPATHLEN;
288 reg_location = emalloc(MAXPATHLEN+1);
289 if(RegQueryValueEx(hKey, PHPRC_REGISTRY_NAME, 0, NULL, reg_location, &buflen) != ERROR_SUCCESS) {
290 efree(reg_location);
291 reg_location = NULL;
292 return reg_location;
293 }
294 RegCloseKey(hKey);
295 }
296 return reg_location;
297 }
298