mirror of
https://github.com/php/php-src.git
synced 2024-12-04 15:23:44 +08:00
356 lines
8.6 KiB
C
356 lines
8.6 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| PHP Version 4 |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1997-2002 The PHP Group |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 2.02 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available at through the world-wide-web at |
|
|
| http://www.php.net/license/2_02.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: |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
/* {{{ includes
|
|
*/
|
|
#include "php.h"
|
|
#if HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef PHP_WIN32
|
|
#if HAVE_LIBBIND
|
|
#ifndef WINNT
|
|
#define WINNT 1
|
|
#endif
|
|
/* located in www.php.net/extra/bindlib.zip */
|
|
#if HAVE_ARPA_INET_H
|
|
#include "arpa/inet.h"
|
|
#endif
|
|
#include "netdb.h"
|
|
#if HAVE_ARPA_NAMESERV_H
|
|
#include "arpa/nameser.h"
|
|
#endif
|
|
#if HAVE_RESOLV_H
|
|
#include "resolv.h"
|
|
#endif
|
|
#endif
|
|
#include <winsock.h>
|
|
#else
|
|
#include <netinet/in.h>
|
|
#if HAVE_ARPA_INET_H
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
#include <netdb.h>
|
|
#ifdef _OSD_POSIX
|
|
#undef STATUS
|
|
#undef T_UNSPEC
|
|
#endif
|
|
#if HAVE_ARPA_NAMESER_H
|
|
#include <arpa/nameser.h>
|
|
#endif
|
|
#if HAVE_RESOLV_H
|
|
#include <resolv.h>
|
|
#endif
|
|
#endif
|
|
|
|
#include "dns.h"
|
|
/* }}} */
|
|
|
|
static char *php_gethostbyaddr(char *ip);
|
|
static char *php_gethostbyname(char *name);
|
|
|
|
/* {{{ proto string gethostbyaddr(string ip_address)
|
|
Get the Internet host name corresponding to a given IP address */
|
|
PHP_FUNCTION(gethostbyaddr)
|
|
{
|
|
zval **arg;
|
|
char *addr;
|
|
|
|
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
convert_to_string_ex(arg);
|
|
|
|
addr = php_gethostbyaddr(Z_STRVAL_PP(arg));
|
|
|
|
if(addr == NULL) {
|
|
#if HAVE_IPV6 && !defined(__MacOSX__)
|
|
/* MacOSX at this time has support for IPv6, but not inet_pton()
|
|
* so disabling IPv6 until further notice. MacOSX 10.1.2 (kalowsky) */
|
|
php_error(E_WARNING, "Address is not a valid IPv4 or IPv6 address");
|
|
#else
|
|
php_error(E_WARNING, "Address is not in a.b.c.d form");
|
|
#endif
|
|
RETVAL_FALSE;
|
|
} else {
|
|
RETVAL_STRING(addr, 0);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_gethostbyaddr
|
|
*/
|
|
static char *php_gethostbyaddr(char *ip)
|
|
{
|
|
#if HAVE_IPV6 && !defined(__MacOSX__)
|
|
/* MacOSX at this time has support for IPv6, but not inet_pton()
|
|
* so disabling IPv6 until further notice. MacOSX 10.1.2 (kalowsky) */
|
|
struct in6_addr addr6;
|
|
#endif
|
|
struct in_addr addr;
|
|
struct hostent *hp;
|
|
|
|
#if HAVE_IPV6 && !defined(__MacOSX__)
|
|
/* MacOSX at this time has support for IPv6, but not inet_pton()
|
|
* so disabling IPv6 until further notice. MacOSX 10.1.2 (kalowsky) */
|
|
if (inet_pton(AF_INET6, ip, &addr6)) {
|
|
hp = gethostbyaddr((char *) &addr6, sizeof(addr6), AF_INET6);
|
|
} else if (inet_pton(AF_INET, ip, &addr)) {
|
|
hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);
|
|
} else {
|
|
return NULL;
|
|
}
|
|
#else
|
|
addr.s_addr = inet_addr(ip);
|
|
|
|
if (addr.s_addr == -1) {
|
|
return NULL;
|
|
}
|
|
|
|
hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);
|
|
#endif
|
|
|
|
if (!hp) {
|
|
return estrdup(ip);
|
|
}
|
|
|
|
return estrdup(hp->h_name);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string gethostbyname(string hostname)
|
|
Get the IP address corresponding to a given Internet host name */
|
|
PHP_FUNCTION(gethostbyname)
|
|
{
|
|
zval **arg;
|
|
|
|
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
convert_to_string_ex(arg);
|
|
|
|
RETVAL_STRING(php_gethostbyname(Z_STRVAL_PP(arg)), 0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array gethostbynamel(string hostname)
|
|
Return a list of IP addresses that a given hostname resolves to. */
|
|
PHP_FUNCTION(gethostbynamel)
|
|
{
|
|
zval **arg;
|
|
struct hostent *hp;
|
|
struct in_addr in;
|
|
int i;
|
|
|
|
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
convert_to_string_ex(arg);
|
|
|
|
if (array_init(return_value) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
hp = gethostbyname(Z_STRVAL_PP(arg));
|
|
if (hp == NULL || hp->h_addr_list == NULL) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
for (i = 0 ; hp->h_addr_list[i] != 0 ; i++) {
|
|
in = *(struct in_addr *) hp->h_addr_list[i];
|
|
add_next_index_string(return_value, inet_ntoa(in), 1);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_gethostbyname
|
|
*/
|
|
static char *php_gethostbyname(char *name)
|
|
{
|
|
struct hostent *hp;
|
|
struct in_addr in;
|
|
|
|
hp = gethostbyname(name);
|
|
|
|
if (!hp || !hp->h_addr_list) {
|
|
return estrdup(name);
|
|
}
|
|
|
|
memcpy(&in.s_addr, *(hp->h_addr_list), sizeof(in.s_addr));
|
|
|
|
return estrdup(inet_ntoa(in));
|
|
}
|
|
/* }}} */
|
|
|
|
#if HAVE_RES_SEARCH && !(defined(__BEOS__)||defined(PHP_WIN32))
|
|
|
|
/* {{{ proto int checkdnsrr(string host [, string type])
|
|
Check DNS records corresponding to a given Internet host name or IP address */
|
|
PHP_FUNCTION(checkdnsrr)
|
|
{
|
|
zval **arg1, **arg2;
|
|
int type, i;
|
|
#ifndef MAXPACKET
|
|
#define MAXPACKET 8192 /* max packet size used internally by BIND */
|
|
#endif
|
|
u_char ans[MAXPACKET];
|
|
|
|
switch (ZEND_NUM_ARGS()) {
|
|
case 1:
|
|
if (zend_get_parameters_ex(1, &arg1) == FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
type = T_MX;
|
|
convert_to_string_ex(arg1);
|
|
break;
|
|
case 2:
|
|
if (zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
convert_to_string_ex(arg1);
|
|
convert_to_string_ex(arg2);
|
|
if ( !strcasecmp("A", Z_STRVAL_PP(arg2)) ) type = T_A;
|
|
else if ( !strcasecmp("NS", Z_STRVAL_PP(arg2)) ) type = T_NS;
|
|
else if ( !strcasecmp("MX", Z_STRVAL_PP(arg2)) ) type = T_MX;
|
|
else if ( !strcasecmp("PTR", Z_STRVAL_PP(arg2)) ) type = T_PTR;
|
|
else if ( !strcasecmp("ANY", Z_STRVAL_PP(arg2)) ) type = T_ANY;
|
|
else if ( !strcasecmp("SOA", Z_STRVAL_PP(arg2)) ) type = T_SOA;
|
|
else if ( !strcasecmp("CNAME", Z_STRVAL_PP(arg2)) ) type = T_CNAME;
|
|
else {
|
|
php_error(E_WARNING, "Type '%s' not supported", Z_STRVAL_PP(arg2));
|
|
RETURN_FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
i = res_search(Z_STRVAL_PP(arg1), C_IN, type, ans, sizeof(ans));
|
|
if ( i < 0 ) {
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
#ifndef HFIXEDSZ
|
|
#define HFIXEDSZ 12 /* fixed data in header <arpa/nameser.h> */
|
|
#endif /* HFIXEDSZ */
|
|
|
|
#ifndef QFIXEDSZ
|
|
#define QFIXEDSZ 4 /* fixed data in query <arpa/nameser.h> */
|
|
#endif /* QFIXEDSZ */
|
|
|
|
#ifndef MAXHOSTNAMELEN
|
|
#define MAXHOSTNAMELEN 256
|
|
#endif /* MAXHOSTNAMELEN */
|
|
|
|
/* {{{ proto int getmxrr(string hostname, array mxhosts [, array weight])
|
|
Get MX records corresponding to a given Internet host name */
|
|
PHP_FUNCTION(getmxrr)
|
|
{
|
|
pval *host, *mx_list, *weight_list;
|
|
int need_weight = 0;
|
|
int count, qdc;
|
|
u_short type, weight;
|
|
u_char ans[MAXPACKET];
|
|
char buf[MAXHOSTNAMELEN];
|
|
HEADER *hp;
|
|
u_char *cp, *end;
|
|
int i;
|
|
|
|
switch(ZEND_NUM_ARGS()) {
|
|
case 2:
|
|
if (zend_get_parameters(ht, 2, &host, &mx_list) == FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (zend_get_parameters(ht, 3, &host, &mx_list, &weight_list) == FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
need_weight = 1;
|
|
pval_destructor(weight_list); /* start with clean array */
|
|
if ( array_init(weight_list) == FAILURE ) {
|
|
RETURN_FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
|
|
convert_to_string( host );
|
|
pval_destructor(mx_list); /* start with clean array */
|
|
if ( array_init(mx_list) == FAILURE ) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* Go! */
|
|
i = res_search(Z_STRVAL_P(host), C_IN, T_MX, (u_char *)&ans, sizeof(ans));
|
|
if ( i < 0 ) {
|
|
RETURN_FALSE;
|
|
}
|
|
if ( i > sizeof(ans) ) i = sizeof(ans);
|
|
hp = (HEADER *)&ans;
|
|
cp = (u_char *)&ans + HFIXEDSZ;
|
|
end = (u_char *)&ans +i;
|
|
for ( qdc = ntohs((unsigned short)hp->qdcount); qdc--; cp += i + QFIXEDSZ) {
|
|
if ( (i = dn_skipname(cp, end)) < 0 ) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
count = ntohs((unsigned short)hp->ancount);
|
|
while ( --count >= 0 && cp < end ) {
|
|
if ( (i = dn_skipname(cp, end)) < 0 ) {
|
|
RETURN_FALSE;
|
|
}
|
|
cp += i;
|
|
GETSHORT(type, cp);
|
|
cp += INT16SZ + INT32SZ;
|
|
GETSHORT(i, cp);
|
|
if ( type != T_MX ) {
|
|
cp += i;
|
|
continue;
|
|
}
|
|
GETSHORT(weight, cp);
|
|
if ( (i = dn_expand(ans, end, cp, buf, sizeof(buf)-1)) < 0 ) {
|
|
RETURN_FALSE;
|
|
}
|
|
cp += i;
|
|
add_next_index_string(mx_list, buf, 1);
|
|
if ( need_weight ) {
|
|
add_next_index_long(weight_list, weight);
|
|
}
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
#endif
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|