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cc50663b56
php-src/ext/standard/dns_win32.c
Felipe Pena cc50663b56 MFH: 
- Improved fix for #47035 (win32 part by Henrique M. Decaria)
[DOC] The TXT part needs be returned as an array of strings. (dns_get_record())
2009-01-11 18:47:17 +00:00

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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2008-2009 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Pierre A. Joye <pierre@php.net> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include <windows.h>
#include <Winbase.h >
#include <Windns.h>
#include "dns.h"
#define PHP_DNS_NUM_TYPES 12 /* Number of DNS Types Supported by PHP currently */
#define PHP_DNS_A 0x00000001
#define PHP_DNS_NS 0x00000002
#define PHP_DNS_CNAME 0x00000010
#define PHP_DNS_SOA 0x00000020
#define PHP_DNS_PTR 0x00000800
#define PHP_DNS_HINFO 0x00001000
#define PHP_DNS_MX 0x00004000
#define PHP_DNS_TXT 0x00008000
#define PHP_DNS_A6 0x01000000
#define PHP_DNS_SRV 0x02000000
#define PHP_DNS_NAPTR 0x04000000
#define PHP_DNS_AAAA 0x08000000
#define PHP_DNS_ANY 0x10000000
#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)
PHP_FUNCTION(dns_get_mx) /* {{{ */
{
char *hostname;
int hostname_len;
zval *mx_list, *weight_list = NULL;
DNS_STATUS status; /* Return value of DnsQuery_A() function */
PDNS_RECORD pResult, pRec; /* Pointer to DNS_RECORD structure */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|z", &hostname, &hostname_len, &mx_list, &weight_list) == FAILURE) {
return;
}
status = DnsQuery_A(hostname, DNS_TYPE_MX, DNS_QUERY_STANDARD, NULL, &pResult, NULL);
if (status) {
RETURN_FALSE;
}
zval_dtor(mx_list);
array_init(mx_list);
if (weight_list) {
zval_dtor(weight_list);
array_init(weight_list);
}
for (pRec = pResult; pRec; pRec = pRec->pNext) {
DNS_SRV_DATA *srv = &pRec->Data.Srv;
if (pRec->wType != DNS_TYPE_MX) {
continue;
}
add_next_index_string(mx_list, pRec->Data.MX.pNameExchange, 1);
if (weight_list) {
add_next_index_long(weight_list, srv->wPriority);
}
}
/* Free memory allocated for DNS records. */
DnsRecordListFree(pResult, DnsFreeRecordListDeep);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dns_check_record(string host [, string type])
Check DNS records corresponding to a given Internet host name or IP address */
PHP_FUNCTION(dns_check_record)
{
char *hostname, *rectype = NULL;
int hostname_len, rectype_len = 0;
int type = DNS_TYPE_MX;
DNS_STATUS status; /* Return value of DnsQuery_A() function */
PDNS_RECORD pResult; /* Pointer to DNS_RECORD structure */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s", &hostname, &hostname_len, &rectype, &rectype_len) == FAILURE) {
return;
}
if (rectype) {
if (!strcasecmp("A", rectype)) type = DNS_TYPE_A;
else if (!strcasecmp("NS", rectype)) type = DNS_TYPE_NS;
else if (!strcasecmp("MX", rectype)) type = DNS_TYPE_MX;
else if (!strcasecmp("PTR", rectype)) type = DNS_TYPE_PTR;
else if (!strcasecmp("ANY", rectype)) type = DNS_TYPE_ANY;
else if (!strcasecmp("SOA", rectype)) type = DNS_TYPE_SOA;
else if (!strcasecmp("TXT", rectype)) type = DNS_TYPE_TEXT;
else if (!strcasecmp("CNAME", rectype)) type = DNS_TYPE_CNAME;
else if (!strcasecmp("AAAA", rectype)) type = DNS_TYPE_AAAA;
else if (!strcasecmp("SRV", rectype)) type = DNS_TYPE_SRV;
else if (!strcasecmp("NAPTR", rectype)) type = DNS_TYPE_NAPTR;
else if (!strcasecmp("A6", rectype)) type = DNS_TYPE_A6;
else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Type '%s' not supported", rectype);
RETURN_FALSE;
}
}
status = DnsQuery_A(hostname, DNS_TYPE_MX, DNS_QUERY_STANDARD, NULL, &pResult, NULL);
if (status) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
#if 1
/* {{{ php_parserr */
static void php_parserr(PDNS_RECORD pRec, int type_to_fetch, int store, zval **subarray)
{
int type;
u_long ttl;
type = pRec->wType;
ttl = pRec->dwTtl;
if (type_to_fetch != DNS_TYPE_ANY && type != type_to_fetch) {
return;
}
if (!store) {
return;
}
ALLOC_INIT_ZVAL(*subarray);
array_init(*subarray);
add_assoc_string(*subarray, "host", pRec->pName, 1);
switch (type) {
case DNS_TYPE_A: {
IN_ADDR ipaddr;
ipaddr.S_un.S_addr = (pRec->Data.A.IpAddress);
add_assoc_string(*subarray, "type", "A", 1);
add_assoc_string(*subarray, "ip", inet_ntoa(ipaddr), 1);
break;
}
case DNS_TYPE_MX:
add_assoc_string(*subarray, "type", "MX", 1);
add_assoc_long(*subarray, "pri", pRec->Data.Srv.wPriority);
/* no break; */
case DNS_TYPE_CNAME:
if (type == DNS_TYPE_CNAME) {
add_assoc_string(*subarray, "type", "CNAME", 1);
}
/* no break; */
case DNS_TYPE_NS:
if (type == DNS_TYPE_NS) {
add_assoc_string(*subarray, "type", "NS", 1);
}
/* no break; */
case DNS_TYPE_PTR:
if (type == DNS_TYPE_PTR) {
add_assoc_string(*subarray, "type", "PTR", 1);
}
add_assoc_string(*subarray, "target", pRec->Data.MX.pNameExchange, 1);
break;
/* Not available on windows, the query is possible but there is no DNS_HINFO_DATA structure */
case DNS_TYPE_HINFO:
case DNS_TYPE_TEXT:
{
int i = 0;
DNS_TXT_DATA *data_txt = &pRec->Data.TXT;
DWORD count = data_txt->dwStringCount;
char *txt;
long txt_len;
zval *txtarray;
MAKE_STD_ZVAL(txtarray);
array_init(txtarray);
add_assoc_string(*subarray, "type", "TXT", 1);
for (i = 0; i < count; i++) {
txt_len = strlen(data_txt->pStringArray[i]);
txt = emalloc(txt_len + 1);
memcpy(txt, data_txt->pStringArray[i], txt_len);
txt[txt_len] = '\0';
add_next_index_stringl(txtarray, txt, txt_len, 0);
}
add_assoc_zval(*subarray, "txt", txtarray);
}
break;
case DNS_TYPE_SOA:
{
DNS_SOA_DATA *data_soa = &pRec->Data.Soa;
add_assoc_string(*subarray, "type", "SOA", 1);
add_assoc_string(*subarray, "mname", data_soa->pNamePrimaryServer, 1);
add_assoc_string(*subarray, "rname", data_soa->pNameAdministrator, 1);
add_assoc_long(*subarray, "serial", data_soa->dwSerialNo);
add_assoc_long(*subarray, "refresh", data_soa->dwRefresh);
add_assoc_long(*subarray, "retry", data_soa->dwRetry);
add_assoc_long(*subarray, "expire", data_soa->dwExpire);
add_assoc_long(*subarray, "minimum-ttl", data_soa->dwDefaultTtl);
}
break;
case DNS_TYPE_AAAA:
#if _WIN32_WINNT >= 0x0600
{
LPSTR str[MAXHOSTNAMELEN];
DNS_AAAA_DATA *data_aaaa = &pRec->Data.AAAA;
add_assoc_string(*subarray, "type", "AAAA", 1);
add_assoc_string(*subarray, "ipv6", RtlIpv6AddressToString(data_aaaa->Ip6Address, str), 1);
}
#endif
break;
#if 0
/* Not supported yet */
case DNS_TYPE_A6:
break;
#endif
case DNS_TYPE_SRV:
{
DNS_SRV_DATA *data_srv = &pRec->Data.Srv;
add_assoc_string(*subarray, "type", "SRV", 1);
add_assoc_long(*subarray, "pri", data_srv->wPriority);
add_assoc_long(*subarray, "weight", data_srv->wWeight);
add_assoc_long(*subarray, "port", data_srv->wPort);
add_assoc_string(*subarray, "target", data_srv->pNameTarget, 1);
}
break;
case DNS_TYPE_NAPTR:
{
#ifdef DNS_NAPTR_DATA
DNS_NAPTR_DATA * data_naptr = &pRec->Data.Naptr;
add_assoc_string(*subarray, "type", "NAPTR", 1);
add_assoc_long(*subarray, "order", data_naptr->wOrder);
add_assoc_long(*subarray, "pref", data_naptr->wPreference);
add_assoc_string(*subarray, "flags", data_naptr->pFlags, 1);
add_assoc_string(*subarray, "services", data_naptr->pService, 1);
add_assoc_string(*subarray, "regex", data_naptr->pRegularExpression, 1);
add_assoc_string(*subarray, "replacement", data_naptr->pReplacement, 1);
#endif
}
break;
default:
break;
}
add_assoc_string(*subarray, "class", "IN", 1);
add_assoc_long(*subarray, "ttl", ttl);
}
/* }}} */
#endif
/* {{{ proto array|false dns_get_record(string hostname [, int type[, array authns, array addtl]])
Get any Resource Record corresponding to a given Internet host name */
PHP_FUNCTION(dns_get_record)
{
char *hostname;
int hostname_len;
long type_param = PHP_DNS_ANY;
zval *authns = NULL, *addtl = NULL;
int type, type_to_fetch, first_query = 1, store_results = 1;
int addtl_recs = 0;
IN_ADDR ipaddr;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lzz", &hostname, &hostname_len, &type_param, &authns, &addtl) == FAILURE) {
return;
}
if (authns) {
zval_dtor(authns);
array_init(authns);
}
if (addtl) {
zval_dtor(addtl);
array_init(addtl);
}
if (type_param & ~PHP_DNS_ALL && type_param != PHP_DNS_ANY) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Type '%ld' not supported", type_param);
RETURN_FALSE;
}
/* Initialize the return array */
array_init(return_value);
for (type = (type_param == PHP_DNS_ANY ? (PHP_DNS_NUM_TYPES + 1) : 0);
type < (addtl_recs ? (PHP_DNS_NUM_TYPES + 2) : PHP_DNS_NUM_TYPES) || first_query;
type++
) {
DNS_STATUS status; /* Return value of DnsQuery_A() function */
PDNS_RECORD pResult, pRec; /* Pointer to DNS_RECORD structure */
first_query = 0;
switch (type) {
case 0:
type_to_fetch = type_param&PHP_DNS_A ? DNS_TYPE_A : 0;
break;
case 1:
type_to_fetch = type_param&PHP_DNS_NS ? DNS_TYPE_NS : 0;
break;
case 2:
type_to_fetch = type_param&PHP_DNS_CNAME ? DNS_TYPE_CNAME : 0;
break;
case 3:
type_to_fetch = type_param&PHP_DNS_SOA ? DNS_TYPE_SOA : 0;
break;
case 4:
type_to_fetch = type_param&PHP_DNS_PTR ? DNS_TYPE_PTR : 0;
break;
case 5:
type_to_fetch = type_param&PHP_DNS_HINFO ? DNS_TYPE_HINFO : 0;
break;
case 6:
type_to_fetch = type_param&PHP_DNS_MX ? DNS_TYPE_MX : 0;
break;
case 7:
type_to_fetch = type_param&PHP_DNS_TXT ? DNS_TYPE_TEXT : 0;
break;
case 8:
type_to_fetch = type_param&PHP_DNS_AAAA ? DNS_TYPE_AAAA : 0;
break;
case 9:
type_to_fetch = type_param&PHP_DNS_SRV ? DNS_TYPE_SRV : 0;
break;
case 10:
type_to_fetch = type_param&PHP_DNS_NAPTR ? DNS_TYPE_NAPTR : 0;
break;
case 11:
type_to_fetch = type_param&PHP_DNS_A6 ? DNS_TYPE_A6 : 0;
break;
case PHP_DNS_NUM_TYPES:
store_results = 0;
continue;
default:
case (PHP_DNS_NUM_TYPES + 1):
type_to_fetch = DNS_TYPE_ANY;
break;
}
if (type_to_fetch) {
status = DnsQuery_A(hostname, type_to_fetch, DNS_QUERY_STANDARD, NULL, &pResult, NULL);
if (status) {
if (status == DNS_INFO_NO_RECORDS) {
continue;
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Dns Query failed");
zval_dtor(return_value);
RETURN_FALSE;
}
}
for (pRec = pResult; pRec; pRec = pRec->pNext) {
DNS_SRV_DATA *srv = &pRec->Data.Srv;
zval *retval = NULL;
if (pRec->Flags.S.Section == DnsSectionAnswer) {
php_parserr(pRec, type_to_fetch, store_results, &retval);
if (retval != NULL && store_results) {
add_next_index_zval(return_value, retval);
}
}
if (authns && pRec->Flags.S.Section == DnsSectionAuthority) {
php_parserr(pRec, type_to_fetch, store_results, &retval);
if (retval != NULL) {
add_next_index_zval(authns, retval);
}
}
/* Stupid typo in PSDK 6.1, WinDNS.h(1258)... */
#ifndef DnsSectionAdditional
# ifdef DnsSectionAddtional
# define DnsSectionAdditional DnsSectionAddtional
# else
# define DnsSectionAdditional 3
# endif
#endif
if (addtl && pRec->Flags.S.Section == DnsSectionAdditional) {
php_parserr(pRec, type_to_fetch, store_results, &retval);
if (retval != NULL) {
add_next_index_zval(addtl, retval);
}
}
}
/* Free memory allocated for DNS records. */
DnsRecordListFree(pResult, DnsFreeRecordListDeep);
}
}
}
/* }}} */
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