1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Zeev Suraski <zeev@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #include "php.h"
20 #include "php_ini.h"
21 #include "php_win32_globals.h"
22
23 #define PHP_REGISTRY_KEY "SOFTWARE\\PHP"
24
25 #define PHP_VER1(V1) #V1
26 #define PHP_VER2(V1,V2) #V1"."#V2
27 #define PHP_VER3(V1,V2,V3) #V1"."#V2"."#V3
28
29 #define PHP_REGISTRY_KEYV(VER) PHP_REGISTRY_KEY"\\"VER
30 #define PHP_REGISTRY_KEY1(V1) PHP_REGISTRY_KEY"\\"PHP_VER1(V1)
31 #define PHP_REGISTRY_KEY2(V1,V2) PHP_REGISTRY_KEY"\\"PHP_VER2(V1,V2)
32 #define PHP_REGISTRY_KEY3(V1,V2,V3) PHP_REGISTRY_KEY"\\"PHP_VER3(V1,V2,V3)
33
34 static const char* registry_keys[] = {
35 PHP_REGISTRY_KEYV(PHP_VERSION),
36 PHP_REGISTRY_KEY3(PHP_MAJOR_VERSION, PHP_MINOR_VERSION, PHP_RELEASE_VERSION),
37 PHP_REGISTRY_KEY2(PHP_MAJOR_VERSION, PHP_MINOR_VERSION),
38 PHP_REGISTRY_KEY1(PHP_MAJOR_VERSION),
39 PHP_REGISTRY_KEY,
40 NULL
41 };
42
OpenPhpRegistryKey(char * sub_key,HKEY * hKey)43 static int OpenPhpRegistryKey(char* sub_key, HKEY *hKey)
44 {/*{{{*/
45 const char **key_name = registry_keys;
46
47 if (sub_key) {
48 size_t main_key_len;
49 size_t sub_key_len = strlen(sub_key);
50 char *reg_key;
51
52 while (*key_name) {
53 LONG ret;
54
55 main_key_len = strlen(*key_name);
56 reg_key = emalloc(main_key_len + sub_key_len + 1);
57 memcpy(reg_key, *key_name, main_key_len);
58 memcpy(reg_key + main_key_len, sub_key, sub_key_len + 1);
59 ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, reg_key, 0, KEY_READ, hKey);
60 efree(reg_key);
61
62 if (ret == ERROR_SUCCESS) {
63 return 1;
64 }
65 ++key_name;
66 }
67 } else {
68 while (*key_name) {
69 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, *key_name, 0, KEY_READ, hKey) == ERROR_SUCCESS) {
70 return 1;
71 }
72 ++key_name;
73 }
74 }
75 return 0;
76 }/*}}}*/
77
LoadDirectory(HashTable * directories,HKEY key,char * path,int path_len,HashTable * parent_ht)78 static int LoadDirectory(HashTable *directories, HKEY key, char *path, int path_len, HashTable *parent_ht)
79 {/*{{{*/
80 DWORD keys, values, max_key, max_name, max_value;
81 int ret = 0;
82 HashTable *ht = NULL;
83
84 if (RegQueryInfoKey(key, NULL, NULL, NULL, &keys, &max_key, NULL, &values, &max_name, &max_value, NULL, NULL) == ERROR_SUCCESS) {
85
86 if (values) {
87 DWORD i;
88 char *name = (char*)emalloc(max_name+1);
89 char *value = (char*)emalloc(max_value+1);
90 DWORD name_len, type, value_len;
91
92 for (i = 0; i < values; i++) {
93 name_len = max_name+1;
94 value_len = max_value+1;
95
96 memset(name, '\0', max_name+1);
97 memset(value, '\0', max_value+1);
98
99 if (RegEnumValue(key, i, name, &name_len, NULL, &type, value, &value_len) == ERROR_SUCCESS) {
100 if ((type == REG_SZ) || (type == REG_EXPAND_SZ)) {
101 zval data;
102
103 if (!ht) {
104 ht = (HashTable*)malloc(sizeof(HashTable));
105 if (!ht) {
106 return ret;
107 }
108 zend_hash_init(ht, 0, NULL, ZVAL_INTERNAL_PTR_DTOR, 1);
109 }
110 ZVAL_PSTRINGL(&data, value, value_len-1);
111 zend_hash_str_update(ht, name, name_len, &data);
112 }
113 }
114 }
115 if (ht) {
116 if (parent_ht) {
117 zend_string *index;
118 zend_ulong num;
119 zval *tmpdata;
120
121 ZEND_HASH_FOREACH_KEY_VAL(parent_ht, num, index, tmpdata) {
122 zend_hash_add(ht, index, tmpdata);
123 } ZEND_HASH_FOREACH_END();
124 }
125 zend_hash_str_update_mem(directories, path, path_len, ht, sizeof(HashTable));
126 ret = 1;
127 }
128
129 efree(name);
130 efree(value);
131 }
132
133 if (ht == NULL) {
134 ht = parent_ht;
135 }
136
137 if (keys) {
138 DWORD i;
139 char *name = (char*)emalloc(max_key+1);
140 char *new_path = (char*)emalloc(path_len+max_key+2);
141 DWORD name_len;
142 FILETIME t;
143 HKEY subkey;
144
145 for (i = 0; i < keys; i++) {
146 name_len = max_key+1;
147 if (RegEnumKeyEx(key, i, name, &name_len, NULL, NULL, NULL, &t) == ERROR_SUCCESS) {
148 if (RegOpenKeyEx(key, name, 0, KEY_READ, &subkey) == ERROR_SUCCESS) {
149 if (path_len) {
150 memcpy(new_path, path, path_len);
151 new_path[path_len] = '/';
152 memcpy(new_path+path_len+1, name, name_len+1);
153 zend_str_tolower(new_path, path_len+name_len+1);
154 name_len += path_len+1;
155 } else {
156 memcpy(new_path, name, name_len+1);
157 zend_str_tolower(new_path, name_len);
158 }
159 if (LoadDirectory(directories, subkey, new_path, name_len, ht)) {
160 ret = 1;
161 }
162 RegCloseKey(subkey);
163 }
164 }
165 }
166 efree(new_path);
167 efree(name);
168 }
169 }
170 return ret;
171 }/*}}}*/
172
delete_internal_hashtable(zval * zv)173 static void delete_internal_hashtable(zval *zv)
174 {/*{{{*/
175 HashTable *ht = (HashTable *)Z_PTR_P(zv);
176 zend_hash_destroy(ht);
177 free(ht);
178 }/*}}}*/
179
180 #define RegNotifyFlags (REG_NOTIFY_CHANGE_NAME | REG_NOTIFY_CHANGE_ATTRIBUTES | REG_NOTIFY_CHANGE_LAST_SET)
181
UpdateIniFromRegistry(char * path)182 void UpdateIniFromRegistry(char *path)
183 {/*{{{*/
184 char *p, *orig_path;
185 int path_len;
186
187 if(!path) {
188 return;
189 }
190
191 if (!PW32G(registry_directories)) {
192 PW32G(registry_directories) = (HashTable*)malloc(sizeof(HashTable));
193 if (!PW32G(registry_directories)) {
194 return;
195 }
196 zend_hash_init(PW32G(registry_directories), 0, NULL, delete_internal_hashtable, 1);
197 if (!OpenPhpRegistryKey("\\Per Directory Values", &PW32G(registry_key))) {
198 PW32G(registry_key) = NULL;
199 return;
200 }
201 PW32G(registry_event) = CreateEvent(NULL, TRUE, FALSE, NULL);
202 if (PW32G(registry_event)) {
203 RegNotifyChangeKeyValue(PW32G(registry_key), TRUE, RegNotifyFlags, PW32G(registry_event), TRUE);
204 }
205 if (!LoadDirectory(PW32G(registry_directories), PW32G(registry_key), "", 0, NULL)) {
206 return;
207 }
208 } else if (PW32G(registry_event) && WaitForSingleObject(PW32G(registry_event), 0) == WAIT_OBJECT_0) {
209 RegNotifyChangeKeyValue(PW32G(registry_key), TRUE, RegNotifyFlags, PW32G(registry_event), TRUE);
210 zend_hash_clean(PW32G(registry_directories));
211 if (!LoadDirectory(PW32G(registry_directories), PW32G(registry_key), "", 0, NULL)) {
212 return;
213 }
214 } else if (zend_hash_num_elements(PW32G(registry_directories)) == 0) {
215 return;
216 }
217
218 orig_path = path = estrdup(path);
219
220 /* Get rid of C:, if exists */
221 p = strchr(path, ':');
222 if (p) {
223 *p = path[0]; /* replace the colon with the drive letter */
224 path = p; /* make path point to the drive letter */
225 } else {
226 if (path[0] != '\\' && path[0] != '/') {
227 char tmp_buf[MAXPATHLEN], *cwd;
228 char drive_letter;
229
230 /* get current working directory and prepend it to the path */
231 if (!VCWD_GETCWD(tmp_buf, MAXPATHLEN)) {
232 efree(orig_path);
233 return;
234 }
235 cwd = strchr(tmp_buf, ':');
236 if (!cwd) {
237 drive_letter = 'C';
238 cwd = tmp_buf;
239 } else {
240 drive_letter = tmp_buf[0];
241 cwd++;
242 }
243 while (*cwd == '\\' || *cwd == '/') {
244 cwd++;
245 }
246 spprintf(&path, 0, "%c\\%s\\%s", drive_letter, cwd, orig_path);
247 efree(orig_path);
248 orig_path = path;
249 }
250 }
251
252 path_len = 0;
253 while (path[path_len] != 0) {
254 if (path[path_len] == '\\') {
255 path[path_len] = '/';
256 }
257 path_len++;
258 }
259 zend_str_tolower(path, path_len);
260
261 while (path_len > 0) {
262 HashTable *ht = (HashTable *)zend_hash_str_find_ptr(PW32G(registry_directories), path, path_len);
263
264 if (ht != NULL) {
265 zend_string *index;
266 zval *data;
267
268 ZEND_HASH_FOREACH_STR_KEY_VAL(ht, index, data) {
269 zend_alter_ini_entry(index, Z_STR_P(data), PHP_INI_USER, PHP_INI_STAGE_ACTIVATE);
270 } ZEND_HASH_FOREACH_END();
271 }
272
273 do {
274 path_len--;
275 } while (path_len > 0 && path[path_len] != '/');
276 path[path_len] = 0;
277 }
278
279 efree(orig_path);
280 }/*}}}*/
281
282 #define PHPRC_REGISTRY_NAME "IniFilePath"
283
GetIniPathFromRegistry()284 char *GetIniPathFromRegistry()
285 {/*{{{*/
286 char *reg_location = NULL;
287 HKEY hKey;
288
289 if (OpenPhpRegistryKey(NULL, &hKey)) {
290 DWORD buflen = MAXPATHLEN;
291 reg_location = emalloc(MAXPATHLEN+1);
292 if(RegQueryValueEx(hKey, PHPRC_REGISTRY_NAME, 0, NULL, reg_location, &buflen) != ERROR_SUCCESS) {
293 RegCloseKey(hKey);
294 efree(reg_location);
295 reg_location = NULL;
296 return reg_location;
297 }
298 RegCloseKey(hKey);
299 }
300 return reg_location;
301 }/*}}}*/
302
