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-rw-r--r--configure.in1
-rw-r--r--ext/standard/basic_functions.c19
-rw-r--r--ext/standard/config.m413
-rw-r--r--ext/standard/dns.c261
-rw-r--r--ext/standard/php_dns.h48
5 files changed, 204 insertions, 138 deletions
diff --git a/configure.in b/configure.in
index 6296078fcd..2889870b15 100644
--- a/configure.in
+++ b/configure.in
@@ -254,7 +254,6 @@ case $host_alias in
CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
fi
fi
- AC_DEFINE(BIND_8_COMPAT, 1, [Enabling BIND8 compatibility for Panther])
php_multiple_shlib_versions_ok=yes
;;
*beos*)
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 342fe3aae3..fb230f7574 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -995,22 +995,20 @@ ZEND_BEGIN_ARG_INFO(arginfo_gethostname, 0)
ZEND_END_ARG_INFO()
#endif
-#if defined(PHP_WIN32) || (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE)))
+#if defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE)))
ZEND_BEGIN_ARG_INFO_EX(arginfo_dns_check_record, 0, 0, 1)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, type)
ZEND_END_ARG_INFO()
-# if defined(PHP_WIN32) || HAVE_DNS_FUNCS
+# if defined(PHP_WIN32) || HAVE_FULL_DNS_FUNCS
ZEND_BEGIN_ARG_INFO_EX(arginfo_dns_get_record, 1, 0, 1)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(1, authns) /* ARRAY_INFO(1, authns, 1) */
ZEND_ARG_INFO(1, addtl) /* ARRAY_INFO(1, addtl, 1) */
ZEND_END_ARG_INFO()
-# endif
-# if defined(PHP_WIN32) || (HAVE_DN_SKIPNAME && HAVE_DN_EXPAND)
ZEND_BEGIN_ARG_INFO_EX(arginfo_dns_get_mx, 0, 0, 2)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(1, mxhosts) /* ARRAY_INFO(1, mxhosts, 1) */
@@ -1018,7 +1016,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_dns_get_mx, 0, 0, 2)
ZEND_END_ARG_INFO()
# endif
-#endif /* defined(PHP_WIN32) || (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE))) */
+#endif /* defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE))) */
/* }}} */
/* {{{ exec.c */
@@ -3000,17 +2998,14 @@ const zend_function_entry basic_functions[] = { /* {{{ */
PHP_FE(gethostname, arginfo_gethostname)
#endif
-#if defined(PHP_WIN32) || (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE)))
+#if defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE)))
PHP_FE(dns_check_record, arginfo_dns_check_record)
PHP_FALIAS(checkdnsrr, dns_check_record, arginfo_dns_check_record)
-# if defined(PHP_WIN32) || (HAVE_DN_SKIPNAME && HAVE_DN_EXPAND)
+# if defined(PHP_WIN32) || HAVE_FULL_DNS_FUNCS
PHP_FE(dns_get_mx, arginfo_dns_get_mx)
PHP_FALIAS(getmxrr, dns_get_mx, arginfo_dns_get_mx)
-# endif
-
-# if defined(PHP_WIN32) || HAVE_DNS_FUNCS
PHP_FE(dns_get_record, arginfo_dns_get_record)
# endif
#endif
@@ -3639,8 +3634,8 @@ PHP_MINIT_FUNCTION(basic) /* {{{ */
php_register_url_stream_wrapper("ftp", &php_stream_ftp_wrapper TSRMLS_CC);
#endif
-#if defined(PHP_WIN32) || (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE)))
-# if defined(PHP_WIN32) || HAVE_DNS_FUNCS
+#if defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE)))
+# if defined(PHP_WIN32) || HAVE_FULL_DNS_FUNCS
PHP_MINIT(dns)(INIT_FUNC_ARGS_PASSTHRU);
# endif
#endif
diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 8b793c619b..e0f04e0bd4 100644
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -247,21 +247,18 @@ fi
dnl
dnl Detect library functions needed by php dns_xxx functions
-dnl ext/standard/php_dns.h will collect these in a single define: HAVE_DNS_FUNCS
+dnl ext/standard/php_dns.h will collect these in a single define: HAVE_FULL_DNS_FUNCS
dnl
-PHP_CHECK_FUNC(res_nmkquery, resolv, bind, socket)
-PHP_CHECK_FUNC(res_nsend, resolv, bind, socket)
-PHP_CHECK_FUNC(res_search, resolv, bind, socket)
+PHP_CHECK_FUNC(res_nsearch, resolv, bind, socket)
+PHP_CHECK_FUNC(dns_search, resolv, bind, socket)
PHP_CHECK_FUNC(dn_expand, resolv, bind, socket)
PHP_CHECK_FUNC(dn_skipname, resolv, bind, socket)
dnl
-dnl These are old deprecated functions, a single define of HAVE_DEPRECATED_DNS_FUNCS
-dnl will be set in ext/standard/php_dns.h
+dnl These are old deprecated functions
dnl
-PHP_CHECK_FUNC(res_mkquery, resolv, bind, socket)
-PHP_CHECK_FUNC(res_send, resolv, bind, socket)
+PHP_CHECK_FUNC(res_search, resolv, bind, socket)
dnl
dnl Check if atof() accepts NAN
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index 637c156e07..dd7a8b15b0 100644
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -46,9 +46,15 @@
#if HAVE_ARPA_NAMESER_H
#include <arpa/nameser.h>
#endif
+#if HAVE_ARPA_NAMESER_COMPAT_H
+#include <arpa/nameser_compat.h>
+#endif
#if HAVE_RESOLV_H
#include <resolv.h>
#endif
+#ifdef HAVE_DNS_H
+#include <dns.h>
+#endif
#endif
/* Borrowed from SYS/SOCKET.H */
@@ -258,7 +264,7 @@ static char *php_gethostbyname(char *name)
}
/* }}} */
-#if HAVE_DNS_FUNCS || defined(PHP_WIN32)
+#if HAVE_FULL_DNS_FUNCS || defined(PHP_WIN32)
# define PHP_DNS_NUM_TYPES 12 /* Number of DNS Types Supported by PHP currently */
# define PHP_DNS_A 0x00000001
@@ -275,10 +281,51 @@ static char *php_gethostbyname(char *name)
# 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)
-#endif /* HAVE_DNS_FUNCS || defined(PHP_WIN32) */
+#endif /* HAVE_FULL_DNS_FUNCS || defined(PHP_WIN32) */
/* Note: These functions are defined in ext/standard/dns_win32.c for Windows! */
-#if !defined(PHP_WIN32) && (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE)))
+#if !defined(PHP_WIN32) && (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE)))
+
+#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 */
+
+#undef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 1024
+
+#ifndef MAXRESOURCERECORDS
+#define MAXRESOURCERECORDS 64
+#endif /* MAXRESOURCERECORDS */
+
+typedef union {
+ HEADER qb1;
+ u_char qb2[65536];
+} querybuf;
+
+/* just a hack to free resources allocated by glibc in __res_nsend()
+ * See also:
+ * res_thread_freeres() in glibc/resolv/res_init.c
+ * __libc_res_nsend() in resolv/res_send.c
+ * */
+
+#if defined(__GLIBC__) && !defined(HAVE_DEPRECATED_DNS_FUNCS)
+#define php_dns_free_res(__res__) _php_dns_free_res(__res__)
+static void _php_dns_free_res(struct __res_state res) { /* {{{ */
+ int ns;
+ for (ns = 0; ns < MAXNS; ns++) {
+ if (res._u._ext.nsaddrs[ns] != NULL) {
+ free (res._u._ext.nsaddrs[ns]);
+ res._u._ext.nsaddrs[ns] = NULL;
+ }
+ }
+} /* }}} */
+#else
+#define php_dns_free_res(__res__)
+#endif
/* {{{ proto bool dns_check_record(string host [, string type])
Check DNS records corresponding to a given Internet host name or IP address */
@@ -291,6 +338,14 @@ PHP_FUNCTION(dns_check_record)
char *hostname, *rectype = NULL;
int hostname_len, rectype_len = 0;
int type = T_MX, i;
+#if defined(HAVE_DNS_SEARCH)
+ struct sockaddr_storage from;
+ uint32_t fromsize = sizeof(from);
+ dns_handle_t handle;
+#elif defined(HAVE_RES_NSEARCH)
+ struct __res_state state;
+ struct __res_state *handle = &state;
+#endif
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s", &hostname, &hostname_len, &rectype, &rectype_len) == FAILURE) {
return;
@@ -320,58 +375,32 @@ PHP_FUNCTION(dns_check_record)
}
}
- i = res_search(hostname, C_IN, type, ans, sizeof(ans));
+#if defined(HAVE_DNS_SEARCH)
+ handle = dns_open(NULL);
+ if (handle == NULL) {
+ RETURN_FALSE;
+ }
+#elif defined(HAVE_RES_NSEARCH)
+ memset(&state, 0, sizeof(state));
+ if (res_ninit(handle)) {
+ RETURN_FALSE;
+ }
+#else
+ res_init();
+#endif
+
+ RETVAL_TRUE;
+ i = php_dns_search(handle, hostname, C_IN, type, ans, sizeof(ans));
if (i < 0) {
- RETURN_FALSE;
+ RETVAL_FALSE;
}
- RETURN_TRUE;
+ php_dns_free_handle(handle);
}
/* }}} */
-#if HAVE_DNS_FUNCS
-
-#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 */
-
-#undef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 1024
-
-#ifndef MAXRESOURCERECORDS
-#define MAXRESOURCERECORDS 64
-#endif /* MAXRESOURCERECORDS */
-
-typedef union {
- HEADER qb1;
- u_char qb2[65536];
-} querybuf;
-
-/* just a hack to free resources allocated by glibc in __res_nsend()
- * See also:
- * res_thread_freeres() in glibc/resolv/res_init.c
- * __libc_res_nsend() in resolv/res_send.c
- * */
-
-#if defined(__GLIBC__) && !defined(HAVE_DEPRECATED_DNS_FUNCS)
-#define php_dns_free_res(__res__) _php_dns_free_res(__res__)
-static void _php_dns_free_res(struct __res_state res) { /* {{{ */
- int ns;
- for (ns = 0; ns < MAXNS; ns++) {
- if (res._u._ext.nsaddrs[ns] != NULL) {
- free (res._u._ext.nsaddrs[ns]);
- res._u._ext.nsaddrs[ns] = NULL;
- }
- }
-} /* }}} */
-#else
-#define php_dns_free_res(__res__)
-#endif
+#if HAVE_FULL_DNS_FUNCS
/* {{{ php_parserr */
static u_char *php_parserr(u_char *cp, querybuf *answer, int type_to_fetch, int store, zval **subarray)
@@ -670,11 +699,16 @@ PHP_FUNCTION(dns_get_record)
zval *authns = NULL, *addtl = NULL;
int addtl_recs = 0;
int type_to_fetch;
-#if !defined(HAVE_DEPRECATED_DNS_FUNCS)
- struct __res_state res;
+#if defined(HAVE_DNS_SEARCH)
+ struct sockaddr_storage from;
+ uint32_t fromsize = sizeof(from);
+ dns_handle_t handle;
+#elif defined(HAVE_RES_NSEARCH)
+ struct __res_state state;
+ struct __res_state *handle = &state;
#endif
HEADER *hp;
- querybuf buf, answer;
+ querybuf answer;
u_char *cp = NULL, *end = NULL;
int n, qd, an, ns = 0, ar = 0;
int type, first_query = 1, store_results = 1;
@@ -757,29 +791,32 @@ PHP_FUNCTION(dns_get_record)
type_to_fetch = DNS_T_ANY;
break;
}
+
if (type_to_fetch) {
-#if defined(HAVE_DEPRECATED_DNS_FUNCS)
- res_init();
-#else
- memset(&res, 0, sizeof(res));
- res_ninit(&res);
- res.retrans = 5;
- res.options &= ~RES_DEFNAMES;
-#endif
- n = res_nmkquery(&res, QUERY, hostname, C_IN, type_to_fetch, NULL, 0, NULL, buf.qb2, sizeof buf);
- if (n<0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "res_nmkquery() failed");
- zval_dtor(return_value);
- res_nclose(&res);
- php_dns_free_res(res);
+#if defined(HAVE_DNS_SEARCH)
+ handle = dns_open(NULL);
+ if (handle == NULL) {
RETURN_FALSE;
}
- n = res_nsend(&res, buf.qb2, n, answer.qb2, sizeof answer);
- if (n<0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "res_nsend() failed");
+#elif defined(HAVE_RES_NSEARCH)
+ memset(&state, 0, sizeof(state));
+ if (res_ninit(handle)) {
+ RETURN_FALSE;
+ }
+#else
+ res_init();
+#endif
+
+ n = php_dns_search(handle, hostname, C_IN, type_to_fetch, answer.qb2, sizeof answer);
+
+ if (n < 0) {
+ if (php_dns_errno(handle) == NO_DATA) {
+ php_dns_free_handle(handle);
+ continue;
+ }
+
+ php_dns_free_handle(handle);
zval_dtor(return_value);
- res_nclose(&res);
- php_dns_free_res(res);
RETURN_FALSE;
}
@@ -797,8 +834,7 @@ PHP_FUNCTION(dns_get_record)
if (n < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to parse DNS data received");
zval_dtor(return_value);
- res_nclose(&res);
- php_dns_free_res(res);
+ php_dns_free_handle(handle);
RETURN_FALSE;
}
cp += n + QFIXEDSZ;
@@ -813,41 +849,38 @@ PHP_FUNCTION(dns_get_record)
add_next_index_zval(return_value, retval);
}
}
- res_nclose(&res);
- php_dns_free_res(res);
- }
- }
- if (authns || addtl) {
- /* List of Authoritative Name Servers
- * Process when only requesting addtl so that we can skip through the section
- */
- while (ns-- > 0 && cp && cp < end) {
- zval *retval = NULL;
+ if (authns || addtl) {
+ /* List of Authoritative Name Servers
+ * Process when only requesting addtl so that we can skip through the section
+ */
+ while (ns-- > 0 && cp && cp < end) {
+ zval *retval = NULL;
- cp = php_parserr(cp, &answer, DNS_T_ANY, authns != NULL, &retval);
- if (retval != NULL) {
- add_next_index_zval(authns, retval);
+ cp = php_parserr(cp, &answer, DNS_T_ANY, authns != NULL, &retval);
+ if (retval != NULL) {
+ add_next_index_zval(authns, retval);
+ }
+ }
}
- }
- }
- if (addtl_recs && addtl) {
- /* Additional records associated with authoritative name servers */
- while (ar-- > 0 && cp && cp < end) {
- zval *retval = NULL;
+ if (addtl_recs && addtl) {
+ /* Additional records associated with authoritative name servers */
+ while (ar-- > 0 && cp && cp < end) {
+ zval *retval = NULL;
- cp = php_parserr(cp, &answer, DNS_T_ANY, 1, &retval);
- if (retval != NULL) {
- add_next_index_zval(addtl, retval);
+ cp = php_parserr(cp, &answer, DNS_T_ANY, 1, &retval);
+ if (retval != NULL) {
+ add_next_index_zval(addtl, retval);
+ }
+ }
}
+ php_dns_free_handle(handle);
}
}
}
/* }}} */
-#endif /* HAVE_DNS_FUNCS */
-#if HAVE_DN_SKIPNAME && HAVE_DN_EXPAND
/* {{{ proto bool dns_get_mx(string hostname, array mxhosts [, array weight])
Get MX records corresponding to a given Internet host name */
PHP_FUNCTION(dns_get_mx)
@@ -862,6 +895,14 @@ PHP_FUNCTION(dns_get_mx)
HEADER *hp;
u_char *cp, *end;
int i;
+#if defined(HAVE_DNS_SEARCH)
+ struct sockaddr_storage from;
+ uint32_t fromsize = sizeof(from);
+ dns_handle_t handle;
+#elif defined(HAVE_RES_NSEARCH)
+ struct __res_state state;
+ struct __res_state *handle = &state;
+#endif
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|z", &hostname, &hostname_len, &mx_list, &weight_list) == FAILURE) {
return;
@@ -875,7 +916,21 @@ PHP_FUNCTION(dns_get_mx)
array_init(weight_list);
}
- i = res_search(hostname, C_IN, DNS_T_MX, (u_char *)&ans, sizeof(ans));
+#if defined(HAVE_DNS_SEARCH)
+ handle = dns_open(NULL);
+ if (handle == NULL) {
+ RETURN_FALSE;
+ }
+#elif defined(HAVE_RES_NSEARCH)
+ memset(&state, 0, sizeof(state));
+ if (res_ninit(handle)) {
+ RETURN_FALSE;
+ }
+#else
+ res_init();
+#endif
+
+ i = php_dns_search(handle, hostname, C_IN, DNS_T_MX, (u_char *)&ans, sizeof(ans));
if (i < 0) {
RETURN_FALSE;
}
@@ -887,12 +942,14 @@ PHP_FUNCTION(dns_get_mx)
end = (u_char *)&ans +i;
for (qdc = ntohs((unsigned short)hp->qdcount); qdc--; cp += i + QFIXEDSZ) {
if ((i = dn_skipname(cp, end)) < 0 ) {
+ php_dns_free_handle(handle);
RETURN_FALSE;
}
}
count = ntohs((unsigned short)hp->ancount);
while (--count >= 0 && cp < end) {
if ((i = dn_skipname(cp, end)) < 0 ) {
+ php_dns_free_handle(handle);
RETURN_FALSE;
}
cp += i;
@@ -905,6 +962,7 @@ PHP_FUNCTION(dns_get_mx)
}
GETSHORT(weight, cp);
if ((i = dn_expand(ans, end, cp, buf, sizeof(buf)-1)) < 0) {
+ php_dns_free_handle(handle);
RETURN_FALSE;
}
cp += i;
@@ -913,13 +971,14 @@ PHP_FUNCTION(dns_get_mx)
add_next_index_long(weight_list, weight);
}
}
+ php_dns_free_handle(handle);
RETURN_TRUE;
}
/* }}} */
-#endif /* HAVE_DN_SKIPNAME && HAVE_DN_EXPAND */
-#endif /* !defined(PHP_WIN32) && (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE))) */
+#endif /* HAVE_FULL_DNS_FUNCS */
+#endif /* !defined(PHP_WIN32) && (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE))) */
-#if HAVE_DNS_FUNCS || defined(PHP_WIN32)
+#if HAVE_FULL_DNS_FUNCS || defined(PHP_WIN32)
PHP_MINIT_FUNCTION(dns) {
REGISTER_LONG_CONSTANT("DNS_A", PHP_DNS_A, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("DNS_NS", PHP_DNS_NS, CONST_CS | CONST_PERSISTENT);
@@ -937,7 +996,7 @@ PHP_MINIT_FUNCTION(dns) {
REGISTER_LONG_CONSTANT("DNS_ALL", PHP_DNS_ALL, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
-#endif /* HAVE_DNS_FUNCS */
+#endif /* HAVE_FULL_DNS_FUNCS */
/*
* Local variables:
diff --git a/ext/standard/php_dns.h b/ext/standard/php_dns.h
index 8790d2b4ac..4496371727 100644
--- a/ext/standard/php_dns.h
+++ b/ext/standard/php_dns.h
@@ -23,20 +23,38 @@
#ifndef PHP_DNS_H
#define PHP_DNS_H
-#if HAVE_RES_MKQUERY && !defined(HAVE_RES_NMKQUERY) && HAVE_RES_SEND && !defined(HAVE_RES_NSEND)
-#define HAVE_DEPRECATED_DNS_FUNCS 1
+#if defined(HAVE_DNS_SEARCH)
+#define php_dns_search(res, dname, class, type, answer, anslen) \
+ ((int)dns_search(res, dname, class, type, answer, anslen, (struct sockaddr *)&from, &fromsize))
+#define php_dns_free_handle(res) \
+ dns_free(res)
+#define php_dns_errno(_res) \
+ (NO_DATA)
+
+#elif defined(HAVE_RES_NSEARCH)
+#define php_dns_search(res, dname, class, type, answer, anslen) \
+ res_nsearch(res, dname, class, type, answer, anslen);
+#define php_dns_free_handle(res) \
+ res_nclose(res); \
+ php_dns_free_res(*res)
+#define php_dns_errno(res) \
+ (res->res_h_errno)
+
+#elif defined(HAVE_RES_SEARCH)
+#define php_dns_search(res, dname, class, type, answer, anslen) \
+ res_search(dname, class, type, answer, anslen)
+#define php_dns_free_handle(res) /* noop */
+#define php_dns_errno(res) \
+ (_res.res_h_errno)
+
#endif
-#if HAVE_DEPRECATED_DNS_FUNCS
-#define res_nmkquery(res, op, dname, class, type, data, datalen, newrr, buf, buflen) \
- res_mkquery(op, dname, class, type, data, datalen, newrr, buf, buflen)
-#define res_nsend(res, msg, msglen, answer, anslen) \
- res_send(msg, msglen, answer, anslen);
-#define res_nclose(res) /* noop */
+#if defined(HAVE_DNS_SEARCH) || defined(HAVE_RES_NSEARCH) || defined(HAVE_RES_SEARCH)
+#define HAVE_DNS_SEARCH_FUNC 1
#endif
-#if ((HAVE_RES_NMKQUERY && HAVE_RES_NSEND) || HAVE_DEPRECATED_DNS_FUNCS) && HAVE_DN_EXPAND && HAVE_DN_SKIPNAME
-#define HAVE_DNS_FUNCS 1
+#if HAVE_DNS_SEARCH_FUNC && HAVE_DN_EXPAND && HAVE_DN_SKIPNAME
+#define HAVE_FULL_DNS_FUNCS 1
#endif
PHP_FUNCTION(gethostbyaddr);
@@ -47,18 +65,16 @@ PHP_FUNCTION(gethostbynamel);
PHP_FUNCTION(gethostname);
#endif
-#if defined(PHP_WIN32) || (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE)))
+#if defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE)))
PHP_FUNCTION(dns_check_record);
-# if defined(PHP_WIN32) || (HAVE_DN_SKIPNAME && HAVE_DN_EXPAND)
-PHP_FUNCTION(dns_get_mx);
-# endif
-#if defined(PHP_WIN32) || HAVE_DNS_FUNCS
+# if defined(PHP_WIN32) || HAVE_FULL_DNS_FUNCS
+PHP_FUNCTION(dns_get_mx);
PHP_FUNCTION(dns_get_record);
PHP_MINIT_FUNCTION(dns);
# endif
-#endif /* defined(PHP_WIN32) || (HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(NETWARE))) */
+#endif /* defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__) || defined(NETWARE))) */
#ifndef INT16SZ
#define INT16SZ 2
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