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-rw-r--r--ext/standard/net.c301
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diff --git a/ext/standard/net.c b/ext/standard/net.c
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+++ b/ext/standard/net.c
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+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 7 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2017 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: Sara Golemon <pollita@php.net> |
+ +----------------------------------------------------------------------+
+ */
+
+#include "php.h"
+#include "php_network.h"
+
+#if HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+
+#if HAVE_NET_IF_H
+# include <net/if.h>
+#endif
+
+#if HAVE_GETIFADDRS
+# include <ifaddrs.h>
+#endif
+
+#ifdef PHP_WIN32
+# include <intrin.h>
+# include <winsock2.h>
+# include <ws2ipdef.h>
+# include <Ws2tcpip.h>
+# include <iphlpapi.h>
+#else
+# include <netdb.h>
+#endif
+
+PHPAPI zend_string* php_inet_ntop(const struct sockaddr *addr) {
+ socklen_t addrlen = sizeof(struct sockaddr_in);
+
+ if (!addr) { return NULL; }
+
+ /* Prefer inet_ntop() as it's more task-specific and doesn't have to be demangled */
+#if HAVE_INET_NTOP
+ switch (addr->sa_family) {
+#ifdef AF_INET6
+ case AF_INET6: {
+ zend_string *ret = zend_string_alloc(INET6_ADDRSTRLEN, 0);
+ if (inet_ntop(AF_INET6, &(((struct sockaddr_in6*)addr)->sin6_addr), ZSTR_VAL(ret), INET6_ADDRSTRLEN)) {
+ ZSTR_LEN(ret) = strlen(ZSTR_VAL(ret));
+ return ret;
+ }
+ zend_string_free(ret);
+ break;
+ }
+#endif
+ case AF_INET: {
+ zend_string *ret = zend_string_alloc(INET_ADDRSTRLEN, 0);
+ if (inet_ntop(AF_INET, &(((struct sockaddr_in*)addr)->sin_addr), ZSTR_VAL(ret), INET_ADDRSTRLEN)) {
+ ZSTR_LEN(ret) = strlen(ZSTR_VAL(ret));
+ return ret;
+ }
+ zend_string_free(ret);
+ break;
+ }
+ }
+#endif
+
+ /* Fallback on getnameinfo() */
+ switch (addr->sa_family) {
+#ifdef AF_INET6
+ case AF_INET6:
+ addrlen = sizeof(struct sockaddr_in6);
+ /* fallthrough */
+#endif
+ case AF_INET: {
+ zend_string *ret = zend_string_alloc(NI_MAXHOST, 0);
+ if (getnameinfo(addr, addrlen, ZSTR_VAL(ret), NI_MAXHOST, NULL, 0, NI_NUMERICHOST) == SUCCESS) {
+ /* Also demangle numeric host with %name suffix */
+ char *colon = strchr(ZSTR_VAL(ret), '%');
+ if (colon) { *colon = 0; }
+ ZSTR_LEN(ret) = strlen(ZSTR_VAL(ret));
+ return ret;
+ }
+ zend_string_free(ret);
+ break;
+ }
+ }
+
+ return NULL;
+}
+
+#if defined(PHP_WIN32) || HAVE_GETIFADDRS
+static void iface_append_unicast(zval *unicast, zend_long flags,
+ struct sockaddr *addr, struct sockaddr *netmask,
+ struct sockaddr *broadcast, struct sockaddr *ptp) {
+ zend_string *host;
+ zval u;
+
+ array_init(&u);
+ add_assoc_long(&u, "flags", flags);
+
+ if (addr) {
+ add_assoc_long(&u, "family", addr->sa_family);
+ if ((host = php_inet_ntop(addr))) {
+ add_assoc_str(&u, "address", host);
+ }
+ }
+ if ((host = php_inet_ntop(netmask))) {
+ add_assoc_str(&u, "netmask", host);
+ }
+
+ if ((host = php_inet_ntop(broadcast))) {
+ add_assoc_str(&u, "broadcast", host);
+ }
+
+ if ((host = php_inet_ntop(ptp))) {
+ add_assoc_str(&u, "ptp", host);
+ }
+
+ add_next_index_zval(unicast, &u);
+}
+#endif
+
+/* {{{ proto array|false net_get_interfaces()
+Returns an array in the form:
+array(
+ 'ifacename' => array(
+ 'description' => 'Awesome interface', // Win32 only
+ 'mac' => '00:11:22:33:44:55', // Win32 only
+ 'mtu' => 1234, // Win32 only
+ 'unicast' => array(
+ 0 => array(
+ 'family' => 2, // e.g. AF_INET, AF_INET6, AF_PACKET
+ 'address' => '127.0.0.1',
+ 'netmnask' => '255.0.0.0',
+ 'broadcast' => '127.255.255.255', // POSIX only
+ 'ptp' => '127.0.0.2', // POSIX only
+ ), // etc...
+ ),
+ ), // etc...
+)
+*/
+PHP_FUNCTION(net_get_interfaces) {
+#ifdef PHP_WIN32
+# define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
+# define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
+ ULONG family = AF_UNSPEC;
+ ULONG flags = GAA_FLAG_INCLUDE_PREFIX;
+ PIP_ADAPTER_ADDRESSES pAddresses = NULL, p;
+ PIP_ADAPTER_UNICAST_ADDRESS u = NULL;
+ ULONG outBufLen = 0;
+ DWORD dwRetVal = 0;
+
+ ZEND_PARSE_PARAMETERS_NONE();
+
+ // Make an initial call to GetAdaptersAddresses to get the
+ // size needed into the outBufLen variable
+ if (GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen) == ERROR_BUFFER_OVERFLOW) {
+ FREE(pAddresses);
+ pAddresses = (IP_ADAPTER_ADDRESSES *) MALLOC(outBufLen);
+ }
+
+ if (pAddresses == NULL) {
+ zend_error(E_WARNING, "Memory allocation failed for IP_ADAPTER_ADDRESSES struct");
+ RETURN_FALSE;
+ }
+
+ dwRetVal = GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen);
+
+ if (NO_ERROR != dwRetVal) {
+ /* TODO check GetLastError() */
+ FREE(pAddresses);
+ RETURN_FALSE;
+ }
+
+ array_init(return_value);
+ for (p = pAddresses; p; p = p->Next) {
+ zval iface, unicast;
+
+ if ((IF_TYPE_ETHERNET_CSMACD != p->IfType) && (IF_TYPE_SOFTWARE_LOOPBACK != p->IfType)) {
+ continue;
+ }
+
+ array_init(&iface);
+
+ if (p->Description) {
+ char tmp[256];
+ memset(tmp, 0, sizeof(tmp));
+ wcstombs(tmp, p->Description, sizeof(tmp));
+ add_assoc_string(&iface, "description", tmp);
+ }
+
+ if (p->PhysicalAddressLength > 0) {
+ zend_string *mac = zend_string_alloc(p->PhysicalAddressLength * 3, 0);
+ char *s = ZSTR_VAL(mac);
+ ULONG i;
+ for (i = 0; i < p->PhysicalAddressLength; ++i) {
+ s += snprintf(s, 4, "%02X:", p->PhysicalAddress[i]);
+ }
+ *(--s) = 0;
+ ZSTR_LEN(mac) = s - ZSTR_VAL(mac);
+ add_assoc_str(&iface, "mac", mac);
+ }
+
+ /* Flags could be placed at this level,
+ * but we repeat it in the unicast subarray
+ * for consistency with the POSIX version.
+ */
+ add_assoc_long(&iface, "mtu", p->Mtu);
+
+ array_init(&unicast);
+ for (u = p->FirstUnicastAddress; u; u = u->Next) {
+ switch (u->Address.lpSockaddr->sa_family) {
+ case AF_INET: {
+ ULONG mask;
+ struct sockaddr_in sin_mask;
+
+ ConvertLengthToIpv4Mask(u->OnLinkPrefixLength, &mask);
+ sin_mask.sin_family = AF_INET;
+ sin_mask.sin_addr.s_addr = mask;
+
+ iface_append_unicast(&unicast, p->Flags,
+ (struct sockaddr*)u->Address.lpSockaddr,
+ (struct sockaddr*)&sin_mask, NULL, NULL);
+ break;
+ }
+ case AF_INET6: {
+ ULONG i, j;
+ struct sockaddr_in6 sin6_mask;
+
+ memset(&sin6_mask, 0, sizeof(sin6_mask));
+ sin6_mask.sin6_family = AF_INET6;
+ for (i = u->OnLinkPrefixLength, j = 0; i > 0; i -= 8, ++j) {
+ sin6_mask.sin6_addr.s6_addr[j] = (i >= 8) ? 0xff : ((ULONG)((0xffU << (8 - i)) & 0xffU));
+ }
+
+ iface_append_unicast(&unicast, p->Flags,
+ (struct sockaddr*)u->Address.lpSockaddr,
+ (struct sockaddr*)&sin6_mask, NULL, NULL);
+ break;
+ }
+ }
+ }
+ add_assoc_zval(&iface, "unicast", &unicast);
+
+ add_assoc_zval(return_value, p->AdapterName, &iface);
+ }
+
+ FREE(pAddresses);
+#undef MALLOC
+#undef FREE
+#elif HAVE_GETIFADDRS /* !PHP_WIN32 */
+ struct ifaddrs *addrs = NULL, *p;
+
+ ZEND_PARSE_PARAMETERS_NONE();
+
+ if (getifaddrs(&addrs)) {
+ php_error(E_WARNING, "getifaddrs() failed %d: %s", errno, strerror(errno));
+ RETURN_FALSE;
+ }
+
+ array_init(return_value);
+ for (p = addrs; p; p = p->ifa_next) {
+ zval *iface = zend_hash_str_find(Z_ARR_P(return_value), p->ifa_name, strlen(p->ifa_name));
+ zval *unicast;
+
+ if (!iface) {
+ zval newif;
+ array_init(&newif);
+ iface = zend_hash_str_add(Z_ARR_P(return_value), p->ifa_name, strlen(p->ifa_name), &newif);
+ }
+
+ unicast = zend_hash_str_find(Z_ARR_P(iface), "unicast", sizeof("unicast") - 1);
+ if (!unicast) {
+ zval newuni;
+ array_init(&newuni);
+ unicast = zend_hash_str_add(Z_ARR_P(iface), "unicast", sizeof("unicast") - 1, &newuni);
+ }
+
+ iface_append_unicast(unicast,
+ p->ifa_flags,
+ p->ifa_addr, p->ifa_netmask,
+ (p->ifa_flags & IFF_BROADCAST) ? p->ifa_broadaddr : NULL,
+ (p->ifa_flags & IFF_POINTOPOINT) ? p->ifa_dstaddr : NULL);
+ }
+
+ freeifaddrs(addrs);
+#else
+ /* Should never happen as we never register the function */
+ php_error(E_WARNING, "No support for net_get_interfaces");
+ RETURN_FALSE;
+#endif
+}
+/* }}} */
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