Annotation of embedaddon/php/ext/standard/dns_win32.c, revision 1.1.1.1
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 2008-2009 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: | Authors: Pierre A. Joye <pierre@php.net> |
16: +----------------------------------------------------------------------+
17: */
18:
19: #include "php.h"
20:
21: #include <windows.h>
22: #include <Winbase.h >
23: #include <Windns.h>
24:
25: #include "php_dns.h"
26:
27: #define PHP_DNS_NUM_TYPES 12 /* Number of DNS Types Supported by PHP currently */
28:
29: #define PHP_DNS_A 0x00000001
30: #define PHP_DNS_NS 0x00000002
31: #define PHP_DNS_CNAME 0x00000010
32: #define PHP_DNS_SOA 0x00000020
33: #define PHP_DNS_PTR 0x00000800
34: #define PHP_DNS_HINFO 0x00001000
35: #define PHP_DNS_MX 0x00004000
36: #define PHP_DNS_TXT 0x00008000
37: #define PHP_DNS_A6 0x01000000
38: #define PHP_DNS_SRV 0x02000000
39: #define PHP_DNS_NAPTR 0x04000000
40: #define PHP_DNS_AAAA 0x08000000
41: #define PHP_DNS_ANY 0x10000000
42: #define PHP_DNS_ALL (PHP_DNS_A|PHP_DNS_NS|PHP_DNS_CNAME|PHP_DNS_SOA|PHP_DNS_PTR|PHP_DNS_HINFO|PHP_DNS_MX|PHP_DNS_TXT|PHP_DNS_A6|PHP_DNS_SRV|PHP_DNS_NAPTR|PHP_DNS_AAAA)
43:
44: PHP_FUNCTION(dns_get_mx) /* {{{ */
45: {
46: char *hostname;
47: int hostname_len;
48: zval *mx_list, *weight_list = NULL;
49:
50: DNS_STATUS status; /* Return value of DnsQuery_A() function */
51: PDNS_RECORD pResult, pRec; /* Pointer to DNS_RECORD structure */
52:
53: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|z", &hostname, &hostname_len, &mx_list, &weight_list) == FAILURE) {
54: return;
55: }
56:
57: status = DnsQuery_A(hostname, DNS_TYPE_MX, DNS_QUERY_STANDARD, NULL, &pResult, NULL);
58:
59: if (status) {
60: RETURN_FALSE;
61: }
62:
63: zval_dtor(mx_list);
64: array_init(mx_list);
65:
66: if (weight_list) {
67: zval_dtor(weight_list);
68: array_init(weight_list);
69: }
70:
71: for (pRec = pResult; pRec; pRec = pRec->pNext) {
72: DNS_SRV_DATA *srv = &pRec->Data.Srv;
73:
74: if (pRec->wType != DNS_TYPE_MX) {
75: continue;
76: }
77:
78: add_next_index_string(mx_list, pRec->Data.MX.pNameExchange, 1);
79: if (weight_list) {
80: add_next_index_long(weight_list, srv->wPriority);
81: }
82: }
83:
84: /* Free memory allocated for DNS records. */
85: DnsRecordListFree(pResult, DnsFreeRecordListDeep);
86:
87: RETURN_TRUE;
88: }
89: /* }}} */
90:
91: /* {{{ proto bool dns_check_record(string host [, string type])
92: Check DNS records corresponding to a given Internet host name or IP address */
93: PHP_FUNCTION(dns_check_record)
94: {
95: char *hostname, *rectype = NULL;
96: int hostname_len, rectype_len = 0;
97: int type = DNS_TYPE_MX;
98:
99: DNS_STATUS status; /* Return value of DnsQuery_A() function */
100: PDNS_RECORD pResult; /* Pointer to DNS_RECORD structure */
101:
102: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s", &hostname, &hostname_len, &rectype, &rectype_len) == FAILURE) {
103: return;
104: }
105:
106: if (hostname_len == 0) {
107: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host cannot be empty");
108: RETURN_FALSE;
109: }
110:
111: if (rectype) {
112: if (!strcasecmp("A", rectype)) type = DNS_TYPE_A;
113: else if (!strcasecmp("NS", rectype)) type = DNS_TYPE_NS;
114: else if (!strcasecmp("MX", rectype)) type = DNS_TYPE_MX;
115: else if (!strcasecmp("PTR", rectype)) type = DNS_TYPE_PTR;
116: else if (!strcasecmp("ANY", rectype)) type = DNS_TYPE_ANY;
117: else if (!strcasecmp("SOA", rectype)) type = DNS_TYPE_SOA;
118: else if (!strcasecmp("TXT", rectype)) type = DNS_TYPE_TEXT;
119: else if (!strcasecmp("CNAME", rectype)) type = DNS_TYPE_CNAME;
120: else if (!strcasecmp("AAAA", rectype)) type = DNS_TYPE_AAAA;
121: else if (!strcasecmp("SRV", rectype)) type = DNS_TYPE_SRV;
122: else if (!strcasecmp("NAPTR", rectype)) type = DNS_TYPE_NAPTR;
123: else if (!strcasecmp("A6", rectype)) type = DNS_TYPE_A6;
124: else {
125: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Type '%s' not supported", rectype);
126: RETURN_FALSE;
127: }
128: }
129:
130: status = DnsQuery_A(hostname, type, DNS_QUERY_STANDARD, NULL, &pResult, NULL);
131:
132: if (status) {
133: RETURN_FALSE;
134: }
135:
136: RETURN_TRUE;
137: }
138: /* }}} */
139:
140: /* {{{ php_parserr */
141: static void php_parserr(PDNS_RECORD pRec, int type_to_fetch, int store, zval **subarray)
142: {
143: int type;
144: u_long ttl;
145:
146: type = pRec->wType;
147: ttl = pRec->dwTtl;
148:
149: if (type_to_fetch != DNS_TYPE_ANY && type != type_to_fetch) {
150: return;
151: }
152:
153: if (!store) {
154: return;
155: }
156:
157: ALLOC_INIT_ZVAL(*subarray);
158: array_init(*subarray);
159:
160: add_assoc_string(*subarray, "host", pRec->pName, 1);
161: switch (type) {
162: case DNS_TYPE_A: {
163: IN_ADDR ipaddr;
164: ipaddr.S_un.S_addr = (pRec->Data.A.IpAddress);
165: add_assoc_string(*subarray, "type", "A", 1);
166: add_assoc_string(*subarray, "ip", inet_ntoa(ipaddr), 1);
167: break;
168: }
169:
170: case DNS_TYPE_MX:
171: add_assoc_string(*subarray, "type", "MX", 1);
172: add_assoc_long(*subarray, "pri", pRec->Data.Srv.wPriority);
173: /* no break; */
174:
175: case DNS_TYPE_CNAME:
176: if (type == DNS_TYPE_CNAME) {
177: add_assoc_string(*subarray, "type", "CNAME", 1);
178: }
179: /* no break; */
180:
181: case DNS_TYPE_NS:
182: if (type == DNS_TYPE_NS) {
183: add_assoc_string(*subarray, "type", "NS", 1);
184: }
185: /* no break; */
186:
187: case DNS_TYPE_PTR:
188: if (type == DNS_TYPE_PTR) {
189: add_assoc_string(*subarray, "type", "PTR", 1);
190: }
191: add_assoc_string(*subarray, "target", pRec->Data.MX.pNameExchange, 1);
192: break;
193:
194: /* Not available on windows, the query is possible but there is no DNS_HINFO_DATA structure */
195: case DNS_TYPE_HINFO:
196: case DNS_TYPE_TEXT:
197: {
198: DWORD i = 0;
199: DNS_TXT_DATA *data_txt = &pRec->Data.TXT;
200: DWORD count = data_txt->dwStringCount;
201: char *txt, *txt_dst;
202: long txt_len = 0;
203: zval *entries;
204:
205: add_assoc_string(*subarray, "type", "TXT", 1);
206:
207: ALLOC_INIT_ZVAL(entries);
208: array_init(entries);
209:
210: for (i = 0; i < count; i++) {
211: txt_len += strlen(data_txt->pStringArray[i]) + 1;
212: }
213:
214: txt = ecalloc(txt_len * 2, 1);
215: txt_dst = txt;
216: for (i = 0; i < count; i++) {
217: int len = strlen(data_txt->pStringArray[i]);
218: memcpy(txt_dst, data_txt->pStringArray[i], len);
219: add_next_index_stringl(entries, data_txt->pStringArray[i], len, 1);
220: txt_dst += len;
221: }
222:
223: add_assoc_string(*subarray, "txt", txt, 0);
224: add_assoc_zval(*subarray, "entries", entries);
225: }
226: break;
227:
228: case DNS_TYPE_SOA:
229: {
230: DNS_SOA_DATA *data_soa = &pRec->Data.Soa;
231:
232: add_assoc_string(*subarray, "type", "SOA", 1);
233:
234: add_assoc_string(*subarray, "mname", data_soa->pNamePrimaryServer, 1);
235: add_assoc_string(*subarray, "rname", data_soa->pNameAdministrator, 1);
236: add_assoc_long(*subarray, "serial", data_soa->dwSerialNo);
237: add_assoc_long(*subarray, "refresh", data_soa->dwRefresh);
238: add_assoc_long(*subarray, "retry", data_soa->dwRetry);
239: add_assoc_long(*subarray, "expire", data_soa->dwExpire);
240: add_assoc_long(*subarray, "minimum-ttl", data_soa->dwDefaultTtl);
241: }
242: break;
243:
244: case DNS_TYPE_AAAA:
245: {
246: DNS_AAAA_DATA *data_aaaa = &pRec->Data.AAAA;
247: char buf[sizeof("AAAA:AAAA:AAAA:AAAA:AAAA:AAAA:AAAA:AAAA")];
248: char *tp = buf;
249: int i;
250: unsigned short out[8];
251: int have_v6_break = 0, in_v6_break = 0;
252:
253: for (i = 0; i < 4; ++i) {
254: DWORD chunk = data_aaaa->Ip6Address.IP6Dword[i];
255: out[i * 2] = htons(LOWORD(chunk));
256: out[i * 2 + 1] = htons(HIWORD(chunk));
257: }
258:
259: for(i=0; i < 8; i++) {
260: if (out[i] != 0) {
261: if (tp > (u_char *)buf) {
262: in_v6_break = 0;
263: tp[0] = ':';
264: tp++;
265: }
266: tp += sprintf((char*)tp,"%x", out[i]);
267: } else {
268: if (!have_v6_break) {
269: have_v6_break = 1;
270: in_v6_break = 1;
271: tp[0] = ':';
272: tp++;
273: } else if (!in_v6_break) {
274: tp[0] = ':';
275: tp++;
276: tp[0] = '0';
277: tp++;
278: }
279: }
280: }
281:
282: if (have_v6_break && in_v6_break) {
283: tp[0] = ':';
284: tp++;
285: }
286: tp[0] = '\0';
287:
288: add_assoc_string(*subarray, "type", "AAAA", 1);
289: add_assoc_string(*subarray, "ipv6", buf, 1);
290: }
291: break;
292:
293: #if 0
294: /* Won't be implemented. A6 is deprecated. (Pierre) */
295: case DNS_TYPE_A6:
296: break;
297: #endif
298:
299: case DNS_TYPE_SRV:
300: {
301: DNS_SRV_DATA *data_srv = &pRec->Data.Srv;
302:
303: add_assoc_string(*subarray, "type", "SRV", 1);
304: add_assoc_long(*subarray, "pri", data_srv->wPriority);
305: add_assoc_long(*subarray, "weight", data_srv->wWeight);
306: add_assoc_long(*subarray, "port", data_srv->wPort);
307: add_assoc_string(*subarray, "target", data_srv->pNameTarget, 1);
308: }
309: break;
310:
311: case DNS_TYPE_NAPTR:
312: {
313: #if _MSC_VER >= 1500
314: DNS_NAPTR_DATA * data_naptr = &pRec->Data.Naptr;
315:
316: add_assoc_string(*subarray, "type", "NAPTR", 1);
317: add_assoc_long(*subarray, "order", data_naptr->wOrder);
318: add_assoc_long(*subarray, "pref", data_naptr->wPreference);
319: add_assoc_string(*subarray, "flags", data_naptr->pFlags, 1);
320: add_assoc_string(*subarray, "services", data_naptr->pService, 1);
321: add_assoc_string(*subarray, "regex", data_naptr->pRegularExpression, 1);
322: add_assoc_string(*subarray, "replacement", data_naptr->pReplacement, 1);
323: #endif
324: }
325: break;
326:
327: default:
328: break;
329: }
330:
331: add_assoc_string(*subarray, "class", "IN", 1);
332: add_assoc_long(*subarray, "ttl", ttl);
333: }
334: /* }}} */
335:
336: /* {{{ proto array|false dns_get_record(string hostname [, int type[, array authns, array addtl]])
337: Get any Resource Record corresponding to a given Internet host name */
338: PHP_FUNCTION(dns_get_record)
339: {
340: char *hostname;
341: int hostname_len;
342: long type_param = PHP_DNS_ANY;
343: zval *authns = NULL, *addtl = NULL;
344: int type, type_to_fetch, first_query = 1, store_results = 1;
345:
346: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lzz", &hostname, &hostname_len, &type_param, &authns, &addtl) == FAILURE) {
347: return;
348: }
349:
350: if (authns) {
351: zval_dtor(authns);
352: array_init(authns);
353: }
354: if (addtl) {
355: zval_dtor(addtl);
356: array_init(addtl);
357: }
358:
359: if (type_param & ~PHP_DNS_ALL && type_param != PHP_DNS_ANY) {
360: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Type '%ld' not supported", type_param);
361: RETURN_FALSE;
362: }
363:
364: /* Initialize the return array */
365: array_init(return_value);
366:
367: for (type = (type_param == PHP_DNS_ANY ? (PHP_DNS_NUM_TYPES + 1) : 0);
368: type < (addtl ? (PHP_DNS_NUM_TYPES + 2) : PHP_DNS_NUM_TYPES) || first_query;
369: type++
370: ) {
371: DNS_STATUS status; /* Return value of DnsQuery_A() function */
372: PDNS_RECORD pResult, pRec; /* Pointer to DNS_RECORD structure */
373:
374: first_query = 0;
375: switch (type) {
376: case 0:
377: type_to_fetch = type_param&PHP_DNS_A ? DNS_TYPE_A : 0;
378: break;
379: case 1:
380: type_to_fetch = type_param&PHP_DNS_NS ? DNS_TYPE_NS : 0;
381: break;
382: case 2:
383: type_to_fetch = type_param&PHP_DNS_CNAME ? DNS_TYPE_CNAME : 0;
384: break;
385: case 3:
386: type_to_fetch = type_param&PHP_DNS_SOA ? DNS_TYPE_SOA : 0;
387: break;
388: case 4:
389: type_to_fetch = type_param&PHP_DNS_PTR ? DNS_TYPE_PTR : 0;
390: break;
391: case 5:
392: type_to_fetch = type_param&PHP_DNS_HINFO ? DNS_TYPE_HINFO : 0;
393: break;
394: case 6:
395: type_to_fetch = type_param&PHP_DNS_MX ? DNS_TYPE_MX : 0;
396: break;
397: case 7:
398: type_to_fetch = type_param&PHP_DNS_TXT ? DNS_TYPE_TEXT : 0;
399: break;
400: case 8:
401: type_to_fetch = type_param&PHP_DNS_AAAA ? DNS_TYPE_AAAA : 0;
402: break;
403: case 9:
404: type_to_fetch = type_param&PHP_DNS_SRV ? DNS_TYPE_SRV : 0;
405: break;
406: case 10:
407: type_to_fetch = type_param&PHP_DNS_NAPTR ? DNS_TYPE_NAPTR : 0;
408: break;
409: case 11:
410: type_to_fetch = type_param&PHP_DNS_A6 ? DNS_TYPE_A6 : 0;
411: break;
412: case PHP_DNS_NUM_TYPES:
413: store_results = 0;
414: continue;
415: default:
416: case (PHP_DNS_NUM_TYPES + 1):
417: type_to_fetch = DNS_TYPE_ANY;
418: break;
419: }
420:
421: if (type_to_fetch) {
422: status = DnsQuery_A(hostname, type_to_fetch, DNS_QUERY_STANDARD, NULL, &pResult, NULL);
423:
424: if (status) {
425: if (status == DNS_INFO_NO_RECORDS || status == DNS_ERROR_RCODE_NAME_ERROR) {
426: continue;
427: } else {
428: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Dns Query failed");
429: zval_dtor(return_value);
430: RETURN_FALSE;
431: }
432: }
433:
434: for (pRec = pResult; pRec; pRec = pRec->pNext) {
435: DNS_SRV_DATA *srv = &pRec->Data.Srv;
436: zval *retval = NULL;
437:
438: if (pRec->Flags.S.Section == DnsSectionAnswer) {
439: php_parserr(pRec, type_to_fetch, store_results, &retval);
440: if (retval != NULL && store_results) {
441: add_next_index_zval(return_value, retval);
442: }
443: }
444:
445: if (authns && pRec->Flags.S.Section == DnsSectionAuthority) {
446:
447: php_parserr(pRec, type_to_fetch, store_results, &retval);
448: if (retval != NULL) {
449: add_next_index_zval(authns, retval);
450: }
451: }
452:
453: /* Stupid typo in PSDK 6.1, WinDNS.h(1258)... */
454: #ifndef DnsSectionAdditional
455: # ifdef DnsSectionAddtional
456: # define DnsSectionAdditional DnsSectionAddtional
457: # else
458: # define DnsSectionAdditional 3
459: # endif
460: #endif
461: if (addtl && pRec->Flags.S.Section == DnsSectionAdditional) {
462: php_parserr(pRec, type_to_fetch, store_results, &retval);
463: if (retval != NULL) {
464: add_next_index_zval(addtl, retval);
465: }
466: }
467: }
468: /* Free memory allocated for DNS records. */
469: DnsRecordListFree(pResult, DnsFreeRecordListDeep);
470: }
471: }
472: }
473: /* }}} */
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