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提交 6877f3a1 编写于 作者: C clanger
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8156521: Minor fixes and cleanups in NetworkInterface.c 

Reviewed-by: alanb, chegar, dsamersoff, msheppar
上级 e02912fb
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Showing with 523 addition and 583 deletion
src/solaris/native/java/net/NetworkInterface.c
浏览文件 @ 6877f3a1
/* /*
* Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
...@@ -23,7 +23,6 @@ ...@@ -23,7 +23,6 @@
* questions. * questions.
*/ */
#include <errno.h> #include <errno.h>
#include <strings.h> #include <strings.h>
#if defined(_ALLBSD_SOURCE) && defined(__OpenBSD__) #if defined(_ALLBSD_SOURCE) && defined(__OpenBSD__)
...@@ -38,14 +37,14 @@ ...@@ -38,14 +37,14 @@
#include <net/if.h> #include <net/if.h>
#include <net/if_arp.h> #include <net/if_arp.h>
#ifdef __solaris__ #if defined(__solaris__)
#include <sys/dlpi.h> #include <sys/dlpi.h>
#include <fcntl.h> #include <fcntl.h>
#include <stropts.h> #include <stropts.h>
#include <sys/sockio.h> #include <sys/sockio.h>
#endif #endif
#ifdef __linux__ #if defined(__linux__)
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <bits/ioctls.h> #include <bits/ioctls.h>
#include <sys/utsname.h> #include <sys/utsname.h>
...@@ -59,10 +58,6 @@ ...@@ -59,10 +58,6 @@
#include <sys/kinfo.h> #include <sys/kinfo.h>
#endif #endif
#ifdef __linux__
#define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
#endif
#if defined(_ALLBSD_SOURCE) #if defined(_ALLBSD_SOURCE)
#include <sys/param.h> #include <sys/param.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
...@@ -80,6 +75,10 @@ ...@@ -80,6 +75,10 @@
#include "jni_util.h" #include "jni_util.h"
#include "net_util.h" #include "net_util.h"
#if defined(__linux__)
#define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
#endif
typedef struct _netaddr { typedef struct _netaddr {
struct sockaddr *addr; struct sockaddr *addr;
struct sockaddr *brdcast; struct sockaddr *brdcast;
...@@ -140,26 +139,29 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs); ...@@ -140,26 +139,29 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs);
static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs); static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs);
#endif #endif
static netif *addif(JNIEnv *env, int sock, const char * if_name, netif *ifs, struct sockaddr* ifr_addrP, int family, short prefix); static netif *addif(JNIEnv *env, int sock, const char *if_name, netif *ifs,
struct sockaddr *ifr_addrP, int family, short prefix);
static void freeif(netif *ifs); static void freeif(netif *ifs);
static int openSocket(JNIEnv *env, int proto); static int openSocket(JNIEnv *env, int proto);
static int openSocketWithFallback(JNIEnv *env, const char *ifname); static int openSocketWithFallback(JNIEnv *env, const char *ifname);
static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *name, struct sockaddr *brdcast_store); static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *name,
struct sockaddr *brdcast_store);
static short getSubnet(JNIEnv *env, int sock, const char *ifname); static short getSubnet(JNIEnv *env, int sock, const char *ifname);
static int getIndex(int sock, const char *ifname); static int getIndex(int sock, const char *ifname);
static int getFlags(int sock, const char *ifname, int *flags); static int getFlags(int sock, const char *ifname, int *flags);
static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct in_addr* addr, unsigned char *buf); static int getMacAddress(JNIEnv *env, int sock, const char *ifname,
const struct in_addr *addr, unsigned char *buf);
static int getMTU(JNIEnv *env, int sock, const char *ifname); static int getMTU(JNIEnv *env, int sock, const char *ifname);
#if defined(__solaris__)
#ifdef __solaris__
static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family); static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family);
static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retbuf); static int getMacFromDevice(JNIEnv *env, const char *ifname,
unsigned char *retbuf);
#ifndef SIOCGLIFHWADDR #ifndef SIOCGLIFHWADDR
#define SIOCGLIFHWADDR _IOWR('i', 192, struct lifreq) #define SIOCGLIFHWADDR _IOWR('i', 192, struct lifreq)
...@@ -174,31 +176,36 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* r ...@@ -174,31 +176,36 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* r
* Method: init * Method: init
* Signature: ()V * Signature: ()V
*/ */
JNIEXPORT void JNICALL JNIEXPORT void JNICALL Java_java_net_NetworkInterface_init
Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls) { (JNIEnv *env, jclass cls)
ni_class = (*env)->FindClass(env,"java/net/NetworkInterface"); {
ni_class = (*env)->FindClass(env, "java/net/NetworkInterface");
CHECK_NULL(ni_class); CHECK_NULL(ni_class);
ni_class = (*env)->NewGlobalRef(env, ni_class); ni_class = (*env)->NewGlobalRef(env, ni_class);
CHECK_NULL(ni_class); CHECK_NULL(ni_class);
ni_nameID = (*env)->GetFieldID(env, ni_class,"name", "Ljava/lang/String;"); ni_nameID = (*env)->GetFieldID(env, ni_class, "name", "Ljava/lang/String;");
CHECK_NULL(ni_nameID); CHECK_NULL(ni_nameID);
ni_indexID = (*env)->GetFieldID(env, ni_class, "index", "I"); ni_indexID = (*env)->GetFieldID(env, ni_class, "index", "I");
CHECK_NULL(ni_indexID); CHECK_NULL(ni_indexID);
ni_addrsID = (*env)->GetFieldID(env, ni_class, "addrs", "[Ljava/net/InetAddress;"); ni_addrsID = (*env)->GetFieldID(env, ni_class, "addrs",
"[Ljava/net/InetAddress;");
CHECK_NULL(ni_addrsID); CHECK_NULL(ni_addrsID);
ni_bindsID = (*env)->GetFieldID(env, ni_class, "bindings", "[Ljava/net/InterfaceAddress;"); ni_bindsID = (*env)->GetFieldID(env, ni_class, "bindings",
"[Ljava/net/InterfaceAddress;");
CHECK_NULL(ni_bindsID); CHECK_NULL(ni_bindsID);
ni_descID = (*env)->GetFieldID(env, ni_class, "displayName", "Ljava/lang/String;"); ni_descID = (*env)->GetFieldID(env, ni_class, "displayName",
"Ljava/lang/String;");
CHECK_NULL(ni_descID); CHECK_NULL(ni_descID);
ni_virutalID = (*env)->GetFieldID(env, ni_class, "virtual", "Z"); ni_virutalID = (*env)->GetFieldID(env, ni_class, "virtual", "Z");
CHECK_NULL(ni_virutalID); CHECK_NULL(ni_virutalID);
ni_childsID = (*env)->GetFieldID(env, ni_class, "childs", "[Ljava/net/NetworkInterface;"); ni_childsID = (*env)->GetFieldID(env, ni_class, "childs",
"[Ljava/net/NetworkInterface;");
CHECK_NULL(ni_childsID); CHECK_NULL(ni_childsID);
ni_parentID = (*env)->GetFieldID(env, ni_class, "parent", "Ljava/net/NetworkInterface;"); ni_parentID = (*env)->GetFieldID(env, ni_class, "parent",
"Ljava/net/NetworkInterface;");
CHECK_NULL(ni_parentID); CHECK_NULL(ni_parentID);
ni_ctrID = (*env)->GetMethodID(env, ni_class, "<init>", "()V"); ni_ctrID = (*env)->GetMethodID(env, ni_class, "<init>", "()V");
CHECK_NULL(ni_ctrID); CHECK_NULL(ni_ctrID);
ni_iacls = (*env)->FindClass(env, "java/net/InetAddress"); ni_iacls = (*env)->FindClass(env, "java/net/InetAddress");
CHECK_NULL(ni_iacls); CHECK_NULL(ni_iacls);
ni_iacls = (*env)->NewGlobalRef(env, ni_iacls); ni_iacls = (*env)->NewGlobalRef(env, ni_iacls);
...@@ -221,24 +228,26 @@ Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls) { ...@@ -221,24 +228,26 @@ Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls) {
CHECK_NULL(ni_ia6ctrID); CHECK_NULL(ni_ia6ctrID);
ni_ibctrID = (*env)->GetMethodID(env, ni_ibcls, "<init>", "()V"); ni_ibctrID = (*env)->GetMethodID(env, ni_ibcls, "<init>", "()V");
CHECK_NULL(ni_ibctrID); CHECK_NULL(ni_ibctrID);
ni_ibaddressID = (*env)->GetFieldID(env, ni_ibcls, "address", "Ljava/net/InetAddress;"); ni_ibaddressID = (*env)->GetFieldID(env, ni_ibcls, "address",
"Ljava/net/InetAddress;");
CHECK_NULL(ni_ibaddressID); CHECK_NULL(ni_ibaddressID);
ni_ib4broadcastID = (*env)->GetFieldID(env, ni_ibcls, "broadcast", "Ljava/net/Inet4Address;"); ni_ib4broadcastID = (*env)->GetFieldID(env, ni_ibcls, "broadcast",
"Ljava/net/Inet4Address;");
CHECK_NULL(ni_ib4broadcastID); CHECK_NULL(ni_ib4broadcastID);
ni_ib4maskID = (*env)->GetFieldID(env, ni_ibcls, "maskLength", "S"); ni_ib4maskID = (*env)->GetFieldID(env, ni_ibcls, "maskLength", "S");
CHECK_NULL(ni_ib4maskID); CHECK_NULL(ni_ib4maskID);
ni_defaultIndexID = (*env)->GetStaticFieldID(env, ni_class, "defaultIndex", "I"); ni_defaultIndexID = (*env)->GetStaticFieldID(env, ni_class, "defaultIndex",
"I");
} }
/* /*
* Class: java_net_NetworkInterface * Class: java_net_NetworkInterface
* Method: getByName0 * Method: getByName0
* Signature: (Ljava/lang/String;)Ljava/net/NetworkInterface; * Signature: (Ljava/lang/String;)Ljava/net/NetworkInterface;
*/ */
JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0 JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0
(JNIEnv *env, jclass cls, jstring name) { (JNIEnv *env, jclass cls, jstring name)
{
netif *ifs, *curr; netif *ifs, *curr;
jboolean isCopy; jboolean isCopy;
const char* name_utf; const char* name_utf;
...@@ -256,9 +265,8 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0 ...@@ -256,9 +265,8 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0
freeif(ifs); freeif(ifs);
return NULL; return NULL;
} }
/*
* Search the list of interface based on name // Search the list of interface based on name
*/
curr = ifs; curr = ifs;
while (curr != NULL) { while (curr != NULL) {
if (strcmp(name_utf, curr->name) == 0) { if (strcmp(name_utf, curr->name) == 0) {
...@@ -267,27 +275,26 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0 ...@@ -267,27 +275,26 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0
curr = curr->next; curr = curr->next;
} }
/* if found create a NetworkInterface */ // if found create a NetworkInterface
if (curr != NULL) {; if (curr != NULL) {;
obj = createNetworkInterface(env, curr); obj = createNetworkInterface(env, curr);
} }
/* release the UTF string and interface list */ // release the UTF string and interface list
(*env)->ReleaseStringUTFChars(env, name, name_utf); (*env)->ReleaseStringUTFChars(env, name, name_utf);
freeif(ifs); freeif(ifs);
return obj; return obj;
} }
/* /*
* Class: java_net_NetworkInterface * Class: java_net_NetworkInterface
* Method: getByIndex0 * Method: getByIndex0
* Signature: (Ljava/lang/String;)Ljava/net/NetworkInterface; * Signature: (Ljava/lang/String;)Ljava/net/NetworkInterface;
*/ */
JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0 JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0
(JNIEnv *env, jclass cls, jint index) { (JNIEnv *env, jclass cls, jint index)
{
netif *ifs, *curr; netif *ifs, *curr;
jobject obj = NULL; jobject obj = NULL;
...@@ -300,9 +307,7 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0 ...@@ -300,9 +307,7 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0
return NULL; return NULL;
} }
/* // Search the list of interface based on index
* Search the list of interface based on index
*/
curr = ifs; curr = ifs;
while (curr != NULL) { while (curr != NULL) {
if (index == curr->index) { if (index == curr->index) {
...@@ -311,7 +316,7 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0 ...@@ -311,7 +316,7 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0
curr = curr->next; curr = curr->next;
} }
/* if found create a NetworkInterface */ // if found create a NetworkInterface
if (curr != NULL) {; if (curr != NULL) {;
obj = createNetworkInterface(env, curr); obj = createNetworkInterface(env, curr);
} }
...@@ -326,8 +331,8 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0 ...@@ -326,8 +331,8 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0
* Signature: (Ljava/net/InetAddress;)Ljava/net/NetworkInterface; * Signature: (Ljava/net/InetAddress;)Ljava/net/NetworkInterface;
*/ */
JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0
(JNIEnv *env, jclass cls, jobject iaObj) { (JNIEnv *env, jclass cls, jobject iaObj)
{
netif *ifs, *curr; netif *ifs, *curr;
#ifdef AF_INET6 #ifdef AF_INET6
...@@ -348,14 +353,13 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 ...@@ -348,14 +353,13 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0
while (curr != NULL) { while (curr != NULL) {
netaddr *addrP = curr->addr; netaddr *addrP = curr->addr;
/* // Iterate through each address on the interface
* Iterate through each address on the interface
*/
while (addrP != NULL) { while (addrP != NULL) {
if (family == addrP->family) { if (family == addrP->family) {
if (family == AF_INET) { if (family == AF_INET) {
int address1 = htonl(((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr); int address1 = htonl(
((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr);
int address2 = getInetAddress_addr(env, iaObj); int address2 = getInetAddress_addr(env, iaObj);
if (address1 == address2) { if (address1 == address2) {
...@@ -366,7 +370,8 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 ...@@ -366,7 +370,8 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0
#ifdef AF_INET6 #ifdef AF_INET6
if (family == AF_INET6) { if (family == AF_INET6) {
jbyte *bytes = (jbyte *)&(((struct sockaddr_in6*)addrP->addr)->sin6_addr); jbyte *bytes = (jbyte *)&(
((struct sockaddr_in6*)addrP->addr)->sin6_addr);
jbyte caddr[16]; jbyte caddr[16];
int i; int i;
getInet6Address_ipaddress(env, iaObj, (char *)caddr); getInet6Address_ipaddress(env, iaObj, (char *)caddr);
...@@ -383,7 +388,6 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 ...@@ -383,7 +388,6 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0
} }
} }
#endif #endif
} }
if (match) { if (match) {
...@@ -398,7 +402,7 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 ...@@ -398,7 +402,7 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0
curr = curr->next; curr = curr->next;
} }
/* if found create a NetworkInterface */ // if found create a NetworkInterface
if (match) {; if (match) {;
obj = createNetworkInterface(env, curr); obj = createNetworkInterface(env, curr);
} }
...@@ -407,15 +411,14 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 ...@@ -407,15 +411,14 @@ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0
return obj; return obj;
} }
/* /*
* Class: java_net_NetworkInterface * Class: java_net_NetworkInterface
* Method: getAll * Method: getAll
* Signature: ()[Ljava/net/NetworkInterface; * Signature: ()[Ljava/net/NetworkInterface;
*/ */
JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll
(JNIEnv *env, jclass cls) { (JNIEnv *env, jclass cls)
{
netif *ifs, *curr; netif *ifs, *curr;
jobjectArray netIFArr; jobjectArray netIFArr;
jint arr_index, ifCount; jint arr_index, ifCount;
...@@ -425,7 +428,7 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll ...@@ -425,7 +428,7 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll
return NULL; return NULL;
} }
/* count the interface */ // count the interface
ifCount = 0; ifCount = 0;
curr = ifs; curr = ifs;
while (curr != NULL) { while (curr != NULL) {
...@@ -433,17 +436,15 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll ...@@ -433,17 +436,15 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll
curr = curr->next; curr = curr->next;
} }
/* allocate a NetworkInterface array */ // allocate a NetworkInterface array
netIFArr = (*env)->NewObjectArray(env, ifCount, cls, NULL); netIFArr = (*env)->NewObjectArray(env, ifCount, cls, NULL);
if (netIFArr == NULL) { if (netIFArr == NULL) {
freeif(ifs); freeif(ifs);
return NULL; return NULL;
} }
/* // Iterate through the interfaces, create a NetworkInterface instance
* Iterate through the interfaces, create a NetworkInterface instance // for each array element and populate the object.
* for each array element and populate the object.
*/
curr = ifs; curr = ifs;
arr_index = 0; arr_index = 0;
while (curr != NULL) { while (curr != NULL) {
...@@ -455,7 +456,7 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll ...@@ -455,7 +456,7 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll
return NULL; return NULL;
} }
/* put the NetworkInterface into the array */ // put the NetworkInterface into the array
(*env)->SetObjectArrayElement(env, netIFArr, arr_index++, netifObj); (*env)->SetObjectArrayElement(env, netIFArr, arr_index++, netifObj);
curr = curr->next; curr = curr->next;
...@@ -465,13 +466,14 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll ...@@ -465,13 +466,14 @@ JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll
return netIFArr; return netIFArr;
} }
/* /*
* Class: java_net_NetworkInterface * Class: java_net_NetworkInterface
* Method: isUp0 * Method: isUp0
* Signature: (Ljava/lang/String;I)Z * Signature: (Ljava/lang/String;I)Z
*/ */
JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isUp0(JNIEnv *env, jclass cls, jstring name, jint index) { JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isUp0
(JNIEnv *env, jclass cls, jstring name, jint index)
{
int ret = getFlags0(env, name); int ret = getFlags0(env, name);
return ((ret & IFF_UP) && (ret & IFF_RUNNING)) ? JNI_TRUE : JNI_FALSE; return ((ret & IFF_UP) && (ret & IFF_RUNNING)) ? JNI_TRUE : JNI_FALSE;
} }
...@@ -481,7 +483,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isUp0(JNIEnv *env, jcl ...@@ -481,7 +483,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isUp0(JNIEnv *env, jcl
* Method: isP2P0 * Method: isP2P0
* Signature: (Ljava/lang/String;I)Z * Signature: (Ljava/lang/String;I)Z
*/ */
JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isP2P0(JNIEnv *env, jclass cls, jstring name, jint index) { JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isP2P0
(JNIEnv *env, jclass cls, jstring name, jint index)
{
int ret = getFlags0(env, name); int ret = getFlags0(env, name);
return (ret & IFF_POINTOPOINT) ? JNI_TRUE : JNI_FALSE; return (ret & IFF_POINTOPOINT) ? JNI_TRUE : JNI_FALSE;
} }
...@@ -491,7 +495,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isP2P0(JNIEnv *env, jc ...@@ -491,7 +495,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isP2P0(JNIEnv *env, jc
* Method: isLoopback0 * Method: isLoopback0
* Signature: (Ljava/lang/String;I)Z * Signature: (Ljava/lang/String;I)Z
*/ */
JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isLoopback0(JNIEnv *env, jclass cls, jstring name, jint index) { JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isLoopback0
(JNIEnv *env, jclass cls, jstring name, jint index)
{
int ret = getFlags0(env, name); int ret = getFlags0(env, name);
return (ret & IFF_LOOPBACK) ? JNI_TRUE : JNI_FALSE; return (ret & IFF_LOOPBACK) ? JNI_TRUE : JNI_FALSE;
} }
...@@ -501,7 +507,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isLoopback0(JNIEnv *en ...@@ -501,7 +507,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isLoopback0(JNIEnv *en
* Method: supportsMulticast0 * Method: supportsMulticast0
* Signature: (Ljava/lang/String;I)Z * Signature: (Ljava/lang/String;I)Z
*/ */
JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_supportsMulticast0(JNIEnv *env, jclass cls, jstring name, jint index) { JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_supportsMulticast0
(JNIEnv *env, jclass cls, jstring name, jint index)
{
int ret = getFlags0(env, name); int ret = getFlags0(env, name);
return (ret & IFF_MULTICAST) ? JNI_TRUE : JNI_FALSE; return (ret & IFF_MULTICAST) ? JNI_TRUE : JNI_FALSE;
} }
...@@ -511,7 +519,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_supportsMulticast0(JNI ...@@ -511,7 +519,9 @@ JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_supportsMulticast0(JNI
* Method: getMacAddr0 * Method: getMacAddr0
* Signature: ([bLjava/lang/String;I)[b * Signature: ([bLjava/lang/String;I)[b
*/ */
JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv *env, jclass class, jbyteArray addrArray, jstring name, jint index) { JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0
(JNIEnv *env, jclass cls, jbyteArray addrArray, jstring name, jint index)
{
jint addr; jint addr;
jbyte caddr[4]; jbyte caddr[4];
struct in_addr iaddr; struct in_addr iaddr;
...@@ -533,7 +543,6 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv * ...@@ -533,7 +543,6 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv *
return NULL; return NULL;
} }
if (!IS_NULL(addrArray)) { if (!IS_NULL(addrArray)) {
(*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr); (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr);
addr = ((caddr[0]<<24) & 0xff000000); addr = ((caddr[0]<<24) & 0xff000000);
...@@ -543,7 +552,7 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv * ...@@ -543,7 +552,7 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv *
iaddr.s_addr = htonl(addr); iaddr.s_addr = htonl(addr);
len = getMacAddress(env, sock, name_utf, &iaddr, mac); len = getMacAddress(env, sock, name_utf, &iaddr, mac);
} else { } else {
len = getMacAddress(env, sock, name_utf,NULL, mac); len = getMacAddress(env, sock, name_utf, NULL, mac);
} }
if (len > 0) { if (len > 0) {
ret = (*env)->NewByteArray(env, len); ret = (*env)->NewByteArray(env, len);
...@@ -551,10 +560,10 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv * ...@@ -551,10 +560,10 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv *
/* we may have memory to free at the end of this */ /* we may have memory to free at the end of this */
goto fexit; goto fexit;
} }
(*env)->SetByteArrayRegion(env, ret, 0, len, (jbyte *) (mac)); (*env)->SetByteArrayRegion(env, ret, 0, len, (jbyte *)(mac));
} }
fexit: fexit:
/* release the UTF string and interface list */ // release the UTF string and interface list
(*env)->ReleaseStringUTFChars(env, name, name_utf); (*env)->ReleaseStringUTFChars(env, name, name_utf);
close(sock); close(sock);
...@@ -566,8 +575,9 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv * ...@@ -566,8 +575,9 @@ JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0(JNIEnv *
* Method: getMTU0 * Method: getMTU0
* Signature: ([bLjava/lang/String;I)I * Signature: ([bLjava/lang/String;I)I
*/ */
JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0
JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0(JNIEnv *env, jclass class, jstring name, jint index) { (JNIEnv *env, jclass cls, jstring name, jint index)
{
jboolean isCopy; jboolean isCopy;
int ret = -1; int ret = -1;
int sock; int sock;
...@@ -585,7 +595,7 @@ JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0(JNIEnv *env, jclas ...@@ -585,7 +595,7 @@ JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0(JNIEnv *env, jclas
return ret; return ret;
} }
if ((sock =openSocketWithFallback(env, name_utf)) < 0) { if ((sock = openSocketWithFallback(env, name_utf)) < 0) {
(*env)->ReleaseStringUTFChars(env, name, name_utf); (*env)->ReleaseStringUTFChars(env, name, name_utf);
return JNI_FALSE; return JNI_FALSE;
} }
...@@ -628,19 +638,17 @@ static int getFlags0(JNIEnv *env, jstring name) { ...@@ -628,19 +638,17 @@ static int getFlags0(JNIEnv *env, jstring name) {
(*env)->ReleaseStringUTFChars(env, name, name_utf); (*env)->ReleaseStringUTFChars(env, name, name_utf);
if (ret < 0) { if (ret < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGLIFFLAGS failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFFLAGS failed");
return -1; return -1;
} }
return flags; return flags;
} }
/* /*
* Create a NetworkInterface object, populate the name and index, and * Creates a NetworkInterface object, populates the name, the index, and
* populate the InetAddress array based on the IP addresses for this * populates the InetAddress array based on the IP addresses for this
* interface. * interface.
*/ */
jobject createNetworkInterface(JNIEnv *env, netif *ifs) { jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
...@@ -656,9 +664,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -656,9 +664,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
netif *childP; netif *childP;
jobject tmp; jobject tmp;
/* // Create a NetworkInterface object and populate it
* Create a NetworkInterface object and populate it
*/
netifObj = (*env)->NewObject(env, ni_class, ni_ctrID); netifObj = (*env)->NewObject(env, ni_class, ni_ctrID);
CHECK_NULL_RETURN(netifObj, NULL); CHECK_NULL_RETURN(netifObj, NULL);
name = (*env)->NewStringUTF(env, ifs->name); name = (*env)->NewStringUTF(env, ifs->name);
...@@ -666,11 +672,10 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -666,11 +672,10 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
(*env)->SetObjectField(env, netifObj, ni_nameID, name); (*env)->SetObjectField(env, netifObj, ni_nameID, name);
(*env)->SetObjectField(env, netifObj, ni_descID, name); (*env)->SetObjectField(env, netifObj, ni_descID, name);
(*env)->SetIntField(env, netifObj, ni_indexID, ifs->index); (*env)->SetIntField(env, netifObj, ni_indexID, ifs->index);
(*env)->SetBooleanField(env, netifObj, ni_virutalID, ifs->virtual ? JNI_TRUE : JNI_FALSE); (*env)->SetBooleanField(env, netifObj, ni_virutalID,
ifs->virtual ? JNI_TRUE : JNI_FALSE);
/* //Count the number of address on this interface
* Count the number of address on this interface
*/
addr_count = 0; addr_count = 0;
addrP = ifs->addr; addrP = ifs->addr;
while (addrP != NULL) { while (addrP != NULL) {
...@@ -678,9 +683,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -678,9 +683,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
addrP = addrP->next; addrP = addrP->next;
} }
/* // Create the array of InetAddresses
* Create the array of InetAddresses
*/
addrArr = (*env)->NewObjectArray(env, addr_count, ni_iacls, NULL); addrArr = (*env)->NewObjectArray(env, addr_count, ni_iacls, NULL);
if (addrArr == NULL) { if (addrArr == NULL) {
return NULL; return NULL;
...@@ -700,7 +703,8 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -700,7 +703,8 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
if (addrP->family == AF_INET) { if (addrP->family == AF_INET) {
iaObj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); iaObj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID);
if (iaObj) { if (iaObj) {
setInetAddress_addr(env, iaObj, htonl(((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr)); setInetAddress_addr(env, iaObj, htonl(
((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr));
} else { } else {
return NULL; return NULL;
} }
...@@ -711,7 +715,8 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -711,7 +715,8 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
jobject ia2Obj = NULL; jobject ia2Obj = NULL;
ia2Obj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); ia2Obj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID);
if (ia2Obj) { if (ia2Obj) {
setInetAddress_addr(env, ia2Obj, htonl(((struct sockaddr_in*)addrP->brdcast)->sin_addr.s_addr)); setInetAddress_addr(env, ia2Obj, htonl(
((struct sockaddr_in*)addrP->brdcast)->sin_addr.s_addr));
(*env)->SetObjectField(env, ibObj, ni_ib4broadcastID, ia2Obj); (*env)->SetObjectField(env, ibObj, ni_ib4broadcastID, ia2Obj);
} else { } else {
return NULL; return NULL;
...@@ -729,7 +734,8 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -729,7 +734,8 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
int scope=0; int scope=0;
iaObj = (*env)->NewObject(env, ni_ia6cls, ni_ia6ctrID); iaObj = (*env)->NewObject(env, ni_ia6cls, ni_ia6ctrID);
if (iaObj) { if (iaObj) {
int ret = setInet6Address_ipaddress(env, iaObj, (char *)&(((struct sockaddr_in6*)addrP->addr)->sin6_addr)); jboolean ret = setInet6Address_ipaddress(env, iaObj,
(char *)&(((struct sockaddr_in6*)addrP->addr)->sin6_addr));
if (ret == JNI_FALSE) { if (ret == JNI_FALSE) {
return NULL; return NULL;
} }
...@@ -758,9 +764,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -758,9 +764,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
addrP = addrP->next; addrP = addrP->next;
} }
/* // See if there is any virtual interface attached to this one.
* See if there is any virtual interface attached to this one.
*/
child_count = 0; child_count = 0;
childP = ifs->childs; childP = ifs->childs;
while (childP) { while (childP) {
...@@ -773,10 +777,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -773,10 +777,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
return NULL; return NULL;
} }
/* // Create the NetworkInterface instances for the sub-interfaces as well.
* Create the NetworkInterface instances for the sub-interfaces as
* well.
*/
child_index = 0; child_index = 0;
childP = ifs->childs; childP = ifs->childs;
while(childP) { while(childP) {
...@@ -792,7 +793,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) { ...@@ -792,7 +793,7 @@ jobject createNetworkInterface(JNIEnv *env, netif *ifs) {
(*env)->SetObjectField(env, netifObj, ni_bindsID, bindArr); (*env)->SetObjectField(env, netifObj, ni_bindsID, bindArr);
(*env)->SetObjectField(env, netifObj, ni_childsID, childArr); (*env)->SetObjectField(env, netifObj, ni_childsID, childArr);
/* return the NetworkInterface */ // return the NetworkInterface
return netifObj; return netifObj;
} }
...@@ -803,10 +804,7 @@ static netif *enumInterfaces(JNIEnv *env) { ...@@ -803,10 +804,7 @@ static netif *enumInterfaces(JNIEnv *env) {
netif *ifs; netif *ifs;
int sock; int sock;
/* // Enumerate IPv4 addresses
* Enumerate IPv4 addresses
*/
sock = openSocket(env, AF_INET); sock = openSocket(env, AF_INET);
if (sock < 0 && (*env)->ExceptionOccurred(env)) { if (sock < 0 && (*env)->ExceptionOccurred(env)) {
return NULL; return NULL;
...@@ -819,16 +817,13 @@ static netif *enumInterfaces(JNIEnv *env) { ...@@ -819,16 +817,13 @@ static netif *enumInterfaces(JNIEnv *env) {
return NULL; return NULL;
} }
/* return partial list if an exception occurs in the middle of process ???*/ // return partial list if an exception occurs in the middle of process ???
/* // If IPv6 is available then enumerate IPv6 addresses.
* If IPv6 is available then enumerate IPv6 addresses.
*/
#ifdef AF_INET6 #ifdef AF_INET6
/* User can disable ipv6 explicitly by -Djava.net.preferIPv4Stack=true, // User can disable ipv6 explicitly by -Djava.net.preferIPv4Stack=true,
* so we have to call ipv6_available() // so we have to call ipv6_available()
*/
if (ipv6_available()) { if (ipv6_available()) {
sock = openSocket(env, AF_INET6); sock = openSocket(env, AF_INET6);
...@@ -851,9 +846,9 @@ static netif *enumInterfaces(JNIEnv *env) { ...@@ -851,9 +846,9 @@ static netif *enumInterfaces(JNIEnv *env) {
return ifs; return ifs;
} }
#define CHECKED_MALLOC3(_pointer,_type,_size) \ #define CHECKED_MALLOC3(_pointer, _type, _size) \
do{ \ do { \
_pointer = (_type)malloc( _size ); \ _pointer = (_type)malloc(_size); \
if (_pointer == NULL) { \ if (_pointer == NULL) { \
JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed"); \ JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed"); \
return ifs; /* return untouched list */ \ return ifs; /* return untouched list */ \
...@@ -862,7 +857,7 @@ static netif *enumInterfaces(JNIEnv *env) { ...@@ -862,7 +857,7 @@ static netif *enumInterfaces(JNIEnv *env) {
/* /*
* Free an interface list (including any attached addresses) * Frees an interface list (including any attached addresses)
*/ */
void freeif(netif *ifs) { void freeif(netif *ifs) {
netif *currif = ifs; netif *currif = ifs;
...@@ -876,9 +871,7 @@ void freeif(netif *ifs) { ...@@ -876,9 +871,7 @@ void freeif(netif *ifs) {
addrP = next; addrP = next;
} }
/* // Don't forget to free the sub-interfaces.
* Don't forget to free the sub-interfaces.
*/
if (currif->childs != NULL) { if (currif->childs != NULL) {
freeif(currif->childs); freeif(currif->childs);
} }
...@@ -889,9 +882,8 @@ void freeif(netif *ifs) { ...@@ -889,9 +882,8 @@ void freeif(netif *ifs) {
} }
} }
netif *addif(JNIEnv *env, int sock, const char * if_name, netif *addif(JNIEnv *env, int sock, const char *if_name, netif *ifs,
netif *ifs, struct sockaddr* ifr_addrP, int family, struct sockaddr *ifr_addrP, int family, short prefix)
short prefix)
{ {
netif *currif = ifs, *parent; netif *currif = ifs, *parent;
netaddr *addrP; netaddr *addrP;
...@@ -910,31 +902,28 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -910,31 +902,28 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
int addr_size; int addr_size;
int flags = 0; int flags = 0;
/* // If the interface name is a logical interface then we remove the unit
* If the interface name is a logical interface then we // number so that we have the physical interface (eg: hme0:1 -> hme0).
* remove the unit number so that we have the physical // NetworkInterface currently doesn't have any concept of physical vs.
* interface (eg: hme0:1 -> hme0). NetworkInterface // logical interfaces.
* currently doesn't have any concept of physical vs.
* logical interfaces.
*/
strncpy(name, if_name, ifnam_size); strncpy(name, if_name, ifnam_size);
name[ifnam_size - 1] = '\0'; name[ifnam_size - 1] = '\0';
*vname = 0; *vname = 0;
/* // Create and populate the netaddr node. If allocation fails
* Create and populate the netaddr node. If allocation fails // return an un-updated list.
* return an un-updated list.
*/ // Allocate for addr and brdcast at once
/*Allocate for addr and brdcast at once*/
#ifdef AF_INET6 #ifdef AF_INET6
addr_size = (family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6); addr_size = (family == AF_INET) ? sizeof(struct sockaddr_in)
: sizeof(struct sockaddr_in6);
#else #else
addr_size = sizeof(struct sockaddr_in); addr_size = sizeof(struct sockaddr_in);
#endif #endif
CHECKED_MALLOC3(addrP, netaddr *, sizeof(netaddr)+2*addr_size); CHECKED_MALLOC3(addrP, netaddr *, sizeof(netaddr) + 2 * addr_size);
addrP->addr = (struct sockaddr *)( (char *) addrP+sizeof(netaddr) ); addrP->addr = (struct sockaddr *)((char *)addrP + sizeof(netaddr));
memcpy(addrP->addr, ifr_addrP, addr_size); memcpy(addrP->addr, ifr_addrP, addr_size);
addrP->family = family; addrP->family = family;
...@@ -943,8 +932,9 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -943,8 +932,9 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
addrP->next = 0; addrP->next = 0;
if (family == AF_INET) { if (family == AF_INET) {
// Deal with broadcast addr & subnet mask // Deal with broadcast addr & subnet mask
struct sockaddr * brdcast_to = (struct sockaddr *) ((char *) addrP + sizeof(netaddr) + addr_size); struct sockaddr *brdcast_to =
addrP->brdcast = getBroadcast(env, sock, name, brdcast_to ); (struct sockaddr *) ((char *)addrP + sizeof(netaddr) + addr_size);
addrP->brdcast = getBroadcast(env, sock, name, brdcast_to);
if ((*env)->ExceptionCheck(env) == JNI_TRUE) { if ((*env)->ExceptionCheck(env) == JNI_TRUE) {
return ifs; return ifs;
} }
...@@ -955,24 +945,19 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -955,24 +945,19 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
} }
} }
/** // Deal with virtual interface with colon notation e.g. eth0:1
* Deal with virtual interface with colon notation e.g. eth0:1
*/
name_colonP = strchr(name, ':'); name_colonP = strchr(name, ':');
if (name_colonP != NULL) { if (name_colonP != NULL) {
/** // This is a virtual interface. If we are able to access the parent
* This is a virtual interface. If we are able to access the parent // we need to create a new entry if it doesn't exist yet *and* update
* we need to create a new entry if it doesn't exist yet *and* update // the 'parent' interface with the new records.
* the 'parent' interface with the new records.
*/
*name_colonP = 0; *name_colonP = 0;
if (getFlags(sock, name, &flags) < 0 || flags < 0) { if (getFlags(sock, name, &flags) < 0 || flags < 0) {
// failed to access parent interface do not create parent. // failed to access parent interface do not create parent.
// We are a virtual interface with no parent. // We are a virtual interface with no parent.
isVirtual = 1; isVirtual = 1;
*name_colonP = ':'; *name_colonP = ':';
} } else {
else{
// Got access to parent, so create it if necessary. // Got access to parent, so create it if necessary.
// Save original name to vname and truncate name by ':' // Save original name to vname and truncate name by ':'
memcpy(vname, name, sizeof(vname) ); memcpy(vname, name, sizeof(vname) );
...@@ -980,11 +965,8 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -980,11 +965,8 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
} }
} }
/* // Check if this is a "new" interface. Use the interface name for
* Check if this is a "new" interface. Use the interface // matching because index isn't supported on Solaris 2.6 & 7.
* name for matching because index isn't supported on
* Solaris 2.6 & 7.
*/
while (currif != NULL) { while (currif != NULL) {
if (strcmp(name, currif->name) == 0) { if (strcmp(name, currif->name) == 0) {
break; break;
...@@ -992,13 +974,10 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -992,13 +974,10 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
currif = currif->next; currif = currif->next;
} }
/* // If "new" then create an netif structure and insert it into the list.
* If "new" then create an netif structure and
* insert it onto the list.
*/
if (currif == NULL) { if (currif == NULL) {
CHECKED_MALLOC3(currif, netif *, sizeof(netif) + ifnam_size); CHECKED_MALLOC3(currif, netif *, sizeof(netif) + ifnam_size);
currif->name = (char *) currif+sizeof(netif); currif->name = (char *)currif + sizeof(netif);
strncpy(currif->name, name, ifnam_size); strncpy(currif->name, name, ifnam_size);
currif->name[ifnam_size - 1] = '\0'; currif->name[ifnam_size - 1] = '\0';
currif->index = getIndex(sock, name); currif->index = getIndex(sock, name);
...@@ -1009,17 +988,13 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -1009,17 +988,13 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
ifs = currif; ifs = currif;
} }
/* // Finally insert the address on the interface
* Finally insert the address on the interface
*/
addrP->next = currif->addr; addrP->next = currif->addr;
currif->addr = addrP; currif->addr = addrP;
parent = currif; parent = currif;
/** // Deal with the virtual interface now.
* Let's deal with the virtual interface now.
*/
if (vname[0]) { if (vname[0]) {
netaddr *tmpaddr; netaddr *tmpaddr;
...@@ -1034,27 +1009,29 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -1034,27 +1009,29 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
if (currif == NULL) { if (currif == NULL) {
CHECKED_MALLOC3(currif, netif *, sizeof(netif) + ifnam_size); CHECKED_MALLOC3(currif, netif *, sizeof(netif) + ifnam_size);
currif->name = (char *) currif + sizeof(netif); currif->name = (char *)currif + sizeof(netif);
strncpy(currif->name, vname, ifnam_size); strncpy(currif->name, vname, ifnam_size);
currif->name[ifnam_size - 1] = '\0'; currif->name[ifnam_size - 1] = '\0';
currif->index = getIndex(sock, vname); currif->index = getIndex(sock, vname);
currif->addr = NULL; currif->addr = NULL;
/* Need to duplicate the addr entry? */ // Need to duplicate the addr entry?
currif->virtual = 1; currif->virtual = 1;
currif->childs = NULL; currif->childs = NULL;
currif->next = parent->childs; currif->next = parent->childs;
parent->childs = currif; parent->childs = currif;
} }
CHECKED_MALLOC3(tmpaddr, netaddr *, sizeof(netaddr)+2*addr_size); CHECKED_MALLOC3(tmpaddr, netaddr *, sizeof(netaddr) + 2 * addr_size);
memcpy(tmpaddr, addrP, sizeof(netaddr)); memcpy(tmpaddr, addrP, sizeof(netaddr));
if (addrP->addr != NULL) { if (addrP->addr != NULL) {
tmpaddr->addr = (struct sockaddr *) ( (char*)tmpaddr + sizeof(netaddr) ) ; tmpaddr->addr = (struct sockaddr *)
((char*)tmpaddr + sizeof(netaddr));
memcpy(tmpaddr->addr, addrP->addr, addr_size); memcpy(tmpaddr->addr, addrP->addr, addr_size);
} }
if (addrP->brdcast != NULL) { if (addrP->brdcast != NULL) {
tmpaddr->brdcast = (struct sockaddr *) ((char *) tmpaddr + sizeof(netaddr)+addr_size); tmpaddr->brdcast = (struct sockaddr *)
((char *)tmpaddr + sizeof(netaddr) + addr_size);
memcpy(tmpaddr->brdcast, addrP->brdcast, addr_size); memcpy(tmpaddr->brdcast, addrP->brdcast, addr_size);
} }
...@@ -1065,19 +1042,18 @@ netif *addif(JNIEnv *env, int sock, const char * if_name, ...@@ -1065,19 +1042,18 @@ netif *addif(JNIEnv *env, int sock, const char * if_name,
return ifs; return ifs;
} }
/* Open socket for further ioct calls /*
* proto is AF_INET/AF_INET6 * Opens a socket for further ioct calls. proto is one of AF_INET or AF_INET6.
*/ */
static int openSocket(JNIEnv *env, int proto){ static int openSocket(JNIEnv *env, int proto) {
int sock; int sock;
if ((sock = JVM_Socket(proto, SOCK_DGRAM, 0)) < 0) { if ((sock = JVM_Socket(proto, SOCK_DGRAM, 0)) < 0) {
/* // If EPROTONOSUPPORT is returned it means we don't have
* If EPROTONOSUPPORT is returned it means we don't have // support for this proto so don't throw an exception.
* support for this proto so don't throw an exception.
*/
if (errno != EPROTONOSUPPORT) { if (errno != EPROTONOSUPPORT) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "Socket creation failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"Socket creation failed");
} }
return -1; return -1;
} }
...@@ -1088,36 +1064,38 @@ static int openSocket(JNIEnv *env, int proto){ ...@@ -1088,36 +1064,38 @@ static int openSocket(JNIEnv *env, int proto){
/** Linux, AIX **/ /** Linux, AIX **/
#if defined(__linux__) || defined(_AIX) #if defined(__linux__) || defined(_AIX)
/* Open socket for further ioct calls, try v4 socket first and
* if it falls return v6 socket
*/
#ifdef AF_INET6 #ifdef AF_INET6
static int openSocketWithFallback(JNIEnv *env, const char *ifname){ /*
* Opens a socket for further ioct calls. Tries AF_INET socket first and
* if it falls return AF_INET6 socket.
*/
// unused arg ifname and struct if2
static int openSocketWithFallback(JNIEnv *env, const char *ifname) {
int sock; int sock;
struct ifreq if2; struct ifreq if2;
if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) { if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
if (errno == EPROTONOSUPPORT){ if (errno == EPROTONOSUPPORT) {
if ( (sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0 ){ if ((sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"IPV6 Socket creation failed");
return -1; return -1;
} }
} } else { // errno is not NOSUPPORT
else{ // errno is not NOSUPPORT NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed"); "IPV4 Socket creation failed");
return -1; return -1;
} }
} }
/* Linux starting from 2.6.? kernel allows ioctl call with either IPv4 or IPv6 socket regardless of type // Linux starting from 2.6.? kernel allows ioctl call with either IPv4 or
of address of an interface */ // IPv6 socket regardless of type of address of an interface.
return sock; return sock;
} }
#else #else
static int openSocketWithFallback(JNIEnv *env, const char *ifname){ static int openSocketWithFallback(JNIEnv *env, const char *ifname) {
return openSocket(env,AF_INET); return openSocket(env,AF_INET);
} }
#endif #endif
...@@ -1130,52 +1108,48 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1130,52 +1108,48 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) {
unsigned i; unsigned i;
int siocgifconfRequest = SIOCGIFCONF; int siocgifconfRequest = SIOCGIFCONF;
#if defined(__linux__) #if defined(__linux__)
/* need to do a dummy SIOCGIFCONF to determine the buffer size. // need to do a dummy SIOCGIFCONF to determine the buffer size.
* SIOCGIFCOUNT doesn't work // SIOCGIFCOUNT doesn't work
*/
ifc.ifc_buf = NULL; ifc.ifc_buf = NULL;
if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) { if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "ioctl SIOCGIFCONF failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFCONF failed");
return ifs; return ifs;
} }
#elif defined(_AIX) #elif defined(_AIX)
ifc.ifc_buf = NULL; ifc.ifc_buf = NULL;
if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) { if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "ioctl SIOCGSIZIFCONF failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGSIZIFCONF failed");
return ifs; return ifs;
} }
#endif /* __linux__ */ #endif /* __linux__ */
CHECKED_MALLOC3(buf,char *, ifc.ifc_len); CHECKED_MALLOC3(buf, char *, ifc.ifc_len);
ifc.ifc_buf = buf; ifc.ifc_buf = buf;
#if defined(_AIX) #if defined(_AIX)
siocgifconfRequest = CSIOCGIFCONF; siocgifconfRequest = CSIOCGIFCONF;
#endif #endif
if (ioctl(sock, siocgifconfRequest, (char *)&ifc) < 0) { if (ioctl(sock, siocgifconfRequest, (char *)&ifc) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "ioctl SIOCGIFCONF failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
(void) free(buf); "ioctl SIOCGIFCONF failed");
free(buf);
return ifs; return ifs;
} }
/* // Iterate through each interface
* Iterate through each interface
*/
ifreqP = ifc.ifc_req; ifreqP = ifc.ifc_req;
for (i=0; i<ifc.ifc_len/sizeof (struct ifreq); i++, ifreqP++) { for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++, ifreqP++) {
#if defined(_AIX) #if defined(_AIX)
if (ifreqP->ifr_addr.sa_family != AF_INET) continue; if (ifreqP->ifr_addr.sa_family != AF_INET) continue;
#endif #endif
/* // Add to the list
* Add to the list ifs = addif(env, sock, ifreqP->ifr_name, ifs,
*/ (struct sockaddr *)&(ifreqP->ifr_addr), AF_INET, 0);
ifs = addif(env, sock, ifreqP->ifr_name, ifs, (struct sockaddr *) & (ifreqP->ifr_addr), AF_INET, 0);
/* // If an exception occurred then free the list
* If an exception occurred then free the list
*/
if ((*env)->ExceptionOccurred(env)) { if ((*env)->ExceptionOccurred(env)) {
free(buf); free(buf);
freeif(ifs); freeif(ifs);
...@@ -1183,37 +1157,37 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1183,37 +1157,37 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) {
} }
} }
/* // Free socket and buffer
* Free socket and buffer
*/
free(buf); free(buf);
return ifs; return ifs;
} }
#if defined(AF_INET6) && defined(__linux__)
/* /*
* Enumerates and returns all IPv6 interfaces on Linux * Enumerates and returns all IPv6 interfaces on Linux.
*/ */
#if defined(AF_INET6) && defined(__linux__)
static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
FILE *f; FILE *f;
char addr6[40], devname[21]; char addr6[40], devname[21];
char addr6p[8][5]; char addr6p[8][5];
int plen, scope, dad_status, if_idx; int prefix, scope, dad_status, if_idx;
uint8_t ipv6addr[16]; uint8_t ipv6addr[16];
if ((f = fopen(_PATH_PROCNET_IFINET6, "r")) != NULL) { if ((f = fopen(_PATH_PROCNET_IFINET6, "r")) != NULL) {
while (fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n", while (fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4], addr6p[5], addr6p[6], addr6p[7], addr6p[0], addr6p[1], addr6p[2], addr6p[3],
&if_idx, &plen, &scope, &dad_status, devname) != EOF) { addr6p[4], addr6p[5], addr6p[6], addr6p[7],
&if_idx, &prefix, &scope, &dad_status, devname) != EOF) {
struct netif *ifs_ptr = NULL; struct netif *ifs_ptr = NULL;
struct netif *last_ptr = NULL; struct netif *last_ptr = NULL;
struct sockaddr_in6 addr; struct sockaddr_in6 addr;
sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s", sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4], addr6p[5], addr6p[6], addr6p[7]); addr6p[0], addr6p[1], addr6p[2], addr6p[3],
addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
inet_pton(AF_INET6, addr6, ipv6addr); inet_pton(AF_INET6, addr6, ipv6addr);
memset(&addr, 0, sizeof(struct sockaddr_in6)); memset(&addr, 0, sizeof(struct sockaddr_in6));
...@@ -1221,12 +1195,10 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1221,12 +1195,10 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
addr.sin6_scope_id = if_idx; addr.sin6_scope_id = if_idx;
ifs = addif(env, sock, devname, ifs, (struct sockaddr *)&addr, AF_INET6, plen); ifs = addif(env, sock, devname, ifs, (struct sockaddr *)&addr,
AF_INET6, (short)prefix);
/* // If an exception occurred then return the list as is.
* If an exception occurred then return the list as is.
*/
if ((*env)->ExceptionOccurred(env)) { if ((*env)->ExceptionOccurred(env)) {
fclose(f); fclose(f);
return ifs; return ifs;
...@@ -1239,11 +1211,11 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1239,11 +1211,11 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
#endif #endif
#if defined(AF_INET6) && defined(_AIX)
/* /*
* Enumerates and returns all IPv6 interfaces on AIX * Enumerates and returns all IPv6 interfaces on AIX.
*/ */
#if defined(AF_INET6) && defined(_AIX)
static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
struct ifconf ifc; struct ifconf ifc;
struct ifreq *ifreqP; struct ifreq *ifreqP;
...@@ -1253,11 +1225,11 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1253,11 +1225,11 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
unsigned bufsize; unsigned bufsize;
char *cp, *cplimit; char *cp, *cplimit;
/* use SIOCGSIZIFCONF to get size for SIOCGIFCONF */ // use SIOCGSIZIFCONF to get size for SIOCGIFCONF
ifc.ifc_buf = NULL; ifc.ifc_buf = NULL;
if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) { if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGSIZIFCONF failed"); "ioctl SIOCGSIZIFCONF failed");
return ifs; return ifs;
} }
...@@ -1271,29 +1243,27 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1271,29 +1243,27 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
ifc.ifc_len = bufsize; ifc.ifc_len = bufsize;
ifc.ifc_buf = buf; ifc.ifc_buf = buf;
if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) { if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl CSIOCGIFCONF failed"); "ioctl CSIOCGIFCONF failed");
free(buf); free(buf);
return ifs; return ifs;
} }
/* // Iterate through each interface
* Iterate through each interface
*/
ifreqP = ifc.ifc_req; ifreqP = ifc.ifc_req;
cp = (char *)ifc.ifc_req; cp = (char *)ifc.ifc_req;
cplimit = cp + ifc.ifc_len; cplimit = cp + ifc.ifc_len;
for ( ; cp < cplimit; cp += (sizeof(ifreqP->ifr_name) + MAX((ifreqP->ifr_addr).sa_len, sizeof(ifreqP->ifr_addr)))) { for (; cp < cplimit;
cp += (sizeof(ifreqP->ifr_name) +
MAX((ifreqP->ifr_addr).sa_len, sizeof(ifreqP->ifr_addr))))
{
ifreqP = (struct ifreq *)cp; ifreqP = (struct ifreq *)cp;
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2)); memset((char *)&if2, 0, sizeof(if2));
strcpy(if2.ifr_name, ifreqP->ifr_name); strncpy(if2.ifr_name, ifreqP->ifr_name, sizeof(if2.ifr_name) - 1);
/* // Skip interface that aren't UP
* Skip interface that aren't UP
*/
if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) >= 0) { if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) >= 0) {
if (!(if2.ifr_flags & IFF_UP)) { if (!(if2.ifr_flags & IFF_UP)) {
continue; continue;
...@@ -1308,16 +1278,11 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1308,16 +1278,11 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
s6->sin6_scope_id = if2.ifr_site6; s6->sin6_scope_id = if2.ifr_site6;
} }
/* // Add to the list
* Add to the list
*/
ifs = addif(env, sock, ifreqP->ifr_name, ifs, ifs = addif(env, sock, ifreqP->ifr_name, ifs,
(struct sockaddr *)&(ifreqP->ifr_addr), (struct sockaddr *)&(ifreqP->ifr_addr), AF_INET6, 0);
AF_INET6, 0);
/* // If an exception occurred then free the list
* If an exception occurred then free the list
*/
if ((*env)->ExceptionOccurred(env)) { if ((*env)->ExceptionOccurred(env)) {
free(buf); free(buf);
freeif(ifs); freeif(ifs);
...@@ -1325,24 +1290,21 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1325,24 +1290,21 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
} }
} }
/* // Free socket and buffer
* Free socket and buffer
*/
free(buf); free(buf);
return ifs; return ifs;
} }
#endif #endif
static int getIndex(int sock, const char *name){ static int getIndex(int sock, const char *name) {
/* // Try to get the interface index
* Try to get the interface index
*/
#if defined(_AIX) #if defined(_AIX)
return if_nametoindex(name); return if_nametoindex(name);
#else #else
struct ifreq if2; struct ifreq if2;
strcpy(if2.ifr_name, name); memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.ifr_name, name, sizeof(if2.ifr_name) - 1);
if (ioctl(sock, SIOCGIFINDEX, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFINDEX, (char *)&if2) < 0) {
return -1; return -1;
...@@ -1352,27 +1314,30 @@ static int getIndex(int sock, const char *name){ ...@@ -1352,27 +1314,30 @@ static int getIndex(int sock, const char *name){
#endif #endif
} }
/** /*
* Returns the IPv4 broadcast address of a named interface, if it exists. * Returns the IPv4 broadcast address of a named interface, if it exists.
* Returns 0 if it doesn't have one. * Returns 0 if it doesn't have one.
*/ */
static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname, struct sockaddr *brdcast_store) { static struct sockaddr *getBroadcast
(JNIEnv *env, int sock, const char *ifname, struct sockaddr *brdcast_store)
{
struct sockaddr *ret = NULL; struct sockaddr *ret = NULL;
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
memset((char *) &if2, 0, sizeof(if2)); // Let's make sure the interface does have a broadcast address.
strcpy(if2.ifr_name, ifname);
/* Let's make sure the interface does have a broadcast address */
if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFFLAGS failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFFLAGS failed");
return ret; return ret;
} }
if (if2.ifr_flags & IFF_BROADCAST) { if (if2.ifr_flags & IFF_BROADCAST) {
/* It does, let's retrieve it*/ // It does, let's retrieve it
if (ioctl(sock, SIOCGIFBRDADDR, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFBRDADDR, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFBRDADDR failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFBRDADDR failed");
return ret; return ret;
} }
...@@ -1383,7 +1348,7 @@ static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname, ...@@ -1383,7 +1348,7 @@ static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname,
return ret; return ret;
} }
/** /*
* Returns the IPv4 subnet prefix length (aka subnet mask) for the named * Returns the IPv4 subnet prefix length (aka subnet mask) for the named
* interface, if it has one, otherwise return -1. * interface, if it has one, otherwise return -1.
*/ */
...@@ -1391,12 +1356,12 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) { ...@@ -1391,12 +1356,12 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) {
unsigned int mask; unsigned int mask;
short ret; short ret;
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
memset((char *) &if2, 0, sizeof(if2)); strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
strcpy(if2.ifr_name, ifname);
if (ioctl(sock, SIOCGIFNETMASK, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFNETMASK, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFNETMASK failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFNETMASK failed");
return -1; return -1;
} }
...@@ -1410,12 +1375,15 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) { ...@@ -1410,12 +1375,15 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) {
return ret; return ret;
} }
/** /*
* Get the Hardware address (usually MAC address) for the named interface. * Gets the Hardware address (usually MAC address) for the named interface.
* return puts the data in buf, and returns the length, in byte, of the * On return puts the data in buf, and returns the length, in byte, of the
* MAC address. Returns -1 if there is no hardware address on that interface. * MAC address. Returns -1 if there is no hardware address on that interface.
*/ */
static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct in_addr* addr, unsigned char *buf) { static int getMacAddress
(JNIEnv *env, int sock, const char* ifname, const struct in_addr* addr,
unsigned char *buf)
{
#if defined (_AIX) #if defined (_AIX)
int size; int size;
struct kinfo_ndd *nddp; struct kinfo_ndd *nddp;
...@@ -1434,7 +1402,8 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct ...@@ -1434,7 +1402,8 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct
nddp = (struct kinfo_ndd *)malloc(size); nddp = (struct kinfo_ndd *)malloc(size);
if (!nddp) { if (!nddp) {
JNU_ThrowOutOfMemoryError(env, "Network interface getMacAddress native buffer allocation failed"); JNU_ThrowOutOfMemoryError(env,
"Network interface getMacAddress native buffer allocation failed");
return -1; return -1;
} }
...@@ -1455,22 +1424,20 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct ...@@ -1455,22 +1424,20 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct
} }
return -1; return -1;
#elif defined(__linux__) #elif defined(__linux__)
static struct ifreq ifr; static struct ifreq ifr;
int i; int i;
memset((char *)&ifr, 0, sizeof(ifr));
strcpy(ifr.ifr_name, ifname); strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) { if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFHWADDR failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFHWADDR failed");
return -1; return -1;
} }
memcpy(buf, &ifr.ifr_hwaddr.sa_data, IFHWADDRLEN); memcpy(buf, &ifr.ifr_hwaddr.sa_data, IFHWADDRLEN);
/* // All bytes to 0 means no hardware address.
* All bytes to 0 means no hardware address.
*/
for (i = 0; i < IFHWADDRLEN; i++) { for (i = 0; i < IFHWADDRLEN; i++) {
if (buf[i] != 0) if (buf[i] != 0)
...@@ -1483,17 +1450,18 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct ...@@ -1483,17 +1450,18 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct
static int getMTU(JNIEnv *env, int sock, const char *ifname) { static int getMTU(JNIEnv *env, int sock, const char *ifname) {
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
memset((char *) &if2, 0, sizeof(if2));
if (ifname != NULL) { if (ifname != NULL) {
strcpy(if2.ifr_name, ifname); strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
} else { } else {
JNU_ThrowNullPointerException(env, "network interface name is NULL"); JNU_ThrowNullPointerException(env, "network interface name is NULL");
return -1; return -1;
} }
if (ioctl(sock, SIOCGIFMTU, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFMTU, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFMTU failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"IOCTL SIOCGIFMTU failed");
return -1; return -1;
} }
...@@ -1502,11 +1470,10 @@ static int getMTU(JNIEnv *env, int sock, const char *ifname) { ...@@ -1502,11 +1470,10 @@ static int getMTU(JNIEnv *env, int sock, const char *ifname) {
static int getFlags(int sock, const char *ifname, int *flags) { static int getFlags(int sock, const char *ifname, int *flags) {
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
memset((char *) &if2, 0, sizeof(if2)); if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) {
strcpy(if2.ifr_name, ifname);
if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0){
return -1; return -1;
} }
...@@ -1518,51 +1485,52 @@ static int getFlags(int sock, const char *ifname, int *flags) { ...@@ -1518,51 +1485,52 @@ static int getFlags(int sock, const char *ifname, int *flags) {
return 0; return 0;
} }
#endif #endif /* defined(__linux__) || defined(_AIX) */
/** Solaris **/ /** Solaris **/
#ifdef __solaris__ #if defined(__solaris__)
/* Open socket for further ioct calls, try v4 socket first and
* if it falls return v6 socket
*/
/*
* Opens a socket for further ioct calls. Tries AF_INET socket first and
* if it falls return AF_INET6 socket.
*/
#ifdef AF_INET6 #ifdef AF_INET6
static int openSocketWithFallback(JNIEnv *env, const char *ifname){ static int openSocketWithFallback(JNIEnv *env, const char *ifname) {
int sock, alreadyV6 = 0; int sock, alreadyV6 = 0;
struct lifreq if2; struct lifreq if2;
if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) { if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
if (errno == EPROTONOSUPPORT){ if (errno == EPROTONOSUPPORT) {
if ( (sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0 ){ if ((sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"IPV6 Socket creation failed");
return -1; return -1;
} }
alreadyV6=1; alreadyV6=1;
} } else { // errno is not NOSUPPORT
else{ // errno is not NOSUPPORT NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed"); "IPV4 Socket creation failed");
return -1; return -1;
} }
} }
/**
* Solaris requires that we have an IPv6 socket to query an
* interface without an IPv4 address - check it here.
* POSIX 1 require the kernel to return ENOTTY if the call is
* inappropriate for a device e.g. the NETMASK for a device having IPv6
* only address but not all devices follow the standard so
* fall back on any error. It's not an ecologically friendly gesture
* but more reliable.
*/
if (! alreadyV6 ){ // Solaris requires that we have an IPv6 socket to query an interface
memset((char *) &if2, 0, sizeof(if2)); // without an IPv4 address - check it here. POSIX 1 require the kernel to
strcpy(if2.lifr_name, ifname); // return ENOTTY if the call is inappropriate for a device e.g. the NETMASK
// for a device having IPv6 only address but not all devices follow the
// standard so fall back on any error. It's not an ecologically friendly
// gesture but more reliable.
if (!alreadyV6) {
memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
if (ioctl(sock, SIOCGLIFNETMASK, (char *)&if2) < 0) { if (ioctl(sock, SIOCGLIFNETMASK, (char *)&if2) < 0) {
close(sock); close(sock);
if ( (sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0 ){ if ((sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"IPV6 Socket creation failed");
return -1; return -1;
} }
} }
...@@ -1572,16 +1540,14 @@ static int openSocketWithFallback(JNIEnv *env, const char *ifname){ ...@@ -1572,16 +1540,14 @@ static int openSocketWithFallback(JNIEnv *env, const char *ifname){
} }
#else #else
static int openSocketWithFallback(JNIEnv *env, const char *ifname){ static int openSocketWithFallback(JNIEnv *env, const char *ifname) {
return openSocket(env,AF_INET); return openSocket(env,AF_INET);
} }
#endif #endif
/* /*
* Enumerates and returns all IPv4 interfaces * Enumerates and returns all IPv4 interfaces.
* (linux verision)
*/ */
static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) { static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) {
return enumIPvXInterfaces(env,sock, ifs, AF_INET); return enumIPvXInterfaces(env,sock, ifs, AF_INET);
} }
...@@ -1593,8 +1559,8 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1593,8 +1559,8 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
#endif #endif
/* /*
Enumerates and returns all interfaces on Solaris * Enumerates and returns all interfaces on Solaris.
use the same code for IPv4 and IPv6 * Uses the same code for IPv4 and IPv6.
*/ */
static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family) { static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family) {
struct lifconf ifc; struct lifconf ifc;
...@@ -1604,19 +1570,16 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family) ...@@ -1604,19 +1570,16 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family)
struct lifnum numifs; struct lifnum numifs;
unsigned bufsize; unsigned bufsize;
/* // Get the interface count
* Get the interface count
*/
numifs.lifn_family = family; numifs.lifn_family = family;
numifs.lifn_flags = 0; numifs.lifn_flags = 0;
if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) { if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "ioctl SIOCGLIFNUM failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFNUM failed");
return ifs; return ifs;
} }
/* // Enumerate the interface configurations
* Enumerate the interface configurations
*/
bufsize = numifs.lifn_count * sizeof (struct lifreq); bufsize = numifs.lifn_count * sizeof (struct lifreq);
CHECKED_MALLOC3(buf, char *, bufsize); CHECKED_MALLOC3(buf, char *, bufsize);
...@@ -1625,22 +1588,19 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family) ...@@ -1625,22 +1588,19 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family)
ifc.lifc_len = bufsize; ifc.lifc_len = bufsize;
ifc.lifc_buf = buf; ifc.lifc_buf = buf;
if (ioctl(sock, SIOCGLIFCONF, (char *)&ifc) < 0) { if (ioctl(sock, SIOCGLIFCONF, (char *)&ifc) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "ioctl SIOCGLIFCONF failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFCONF failed");
free(buf); free(buf);
return ifs; return ifs;
} }
/* // Iterate through each interface
* Iterate through each interface
*/
ifr = ifc.lifc_req; ifr = ifc.lifc_req;
for (n=0; n<numifs.lifn_count; n++, ifr++) { for (n=0; n<numifs.lifn_count; n++, ifr++) {
int index = -1; int index = -1;
struct lifreq if2; struct lifreq if2;
/* // Ignore either IPv4 or IPv6 addresses
* Ignore either IPv4 or IPv6 addresses
*/
if (ifr->lifr_addr.ss_family != family) { if (ifr->lifr_addr.ss_family != family) {
continue; continue;
} }
...@@ -1652,12 +1612,12 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family) ...@@ -1652,12 +1612,12 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family)
} }
#endif #endif
/* add to the list */ // add to the list
ifs = addif(env, sock,ifr->lifr_name, ifs, (struct sockaddr *)&(ifr->lifr_addr),family, (short) ifr->lifr_addrlen); ifs = addif(env, sock,ifr->lifr_name, ifs,
(struct sockaddr *)&(ifr->lifr_addr), family,
(short)ifr->lifr_addrlen);
/* // If an exception occurred we return immediately
* If an exception occurred we return immediately
*/
if ((*env)->ExceptionOccurred(env)) { if ((*env)->ExceptionOccurred(env)) {
free(buf); free(buf);
return ifs; return ifs;
...@@ -1669,13 +1629,11 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family) ...@@ -1669,13 +1629,11 @@ static netif *enumIPvXInterfaces(JNIEnv *env, int sock, netif *ifs, int family)
return ifs; return ifs;
} }
static int getIndex(int sock, const char *name){ static int getIndex(int sock, const char *name) {
/* // Try to get the interface index. (Not supported on Solaris 2.6 or 7)
* Try to get the interface index
* (Not supported on Solaris 2.6 or 7)
*/
struct lifreq if2; struct lifreq if2;
strcpy(if2.lifr_name, name); memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.lifr_name, name, sizeof(if2.lifr_name) - 1);
if (ioctl(sock, SIOCGLIFINDEX, (char *)&if2) < 0) { if (ioctl(sock, SIOCGLIFINDEX, (char *)&if2) < 0) {
return -1; return -1;
...@@ -1684,27 +1642,30 @@ static int getIndex(int sock, const char *name){ ...@@ -1684,27 +1642,30 @@ static int getIndex(int sock, const char *name){
return if2.lifr_index; return if2.lifr_index;
} }
/** /*
* Returns the IPv4 broadcast address of a named interface, if it exists. * Returns the IPv4 broadcast address of a named interface, if it exists.
* Returns 0 if it doesn't have one. * Returns 0 if it doesn't have one.
*/ */
static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname, struct sockaddr *brdcast_store) { static struct sockaddr *getBroadcast
(JNIEnv *env, int sock, const char *ifname, struct sockaddr *brdcast_store)
{
struct sockaddr *ret = NULL; struct sockaddr *ret = NULL;
struct lifreq if2; struct lifreq if2;
memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
memset((char *) &if2, 0, sizeof(if2)); // Let's make sure the interface does have a broadcast address
strcpy(if2.lifr_name, ifname);
/* Let's make sure the interface does have a broadcast address */
if (ioctl(sock, SIOCGLIFFLAGS, (char *)&if2) < 0) { if (ioctl(sock, SIOCGLIFFLAGS, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGLIFFLAGS failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFFLAGS failed");
return ret; return ret;
} }
if (if2.lifr_flags & IFF_BROADCAST) { if (if2.lifr_flags & IFF_BROADCAST) {
/* It does, let's retrieve it*/ // It does, let's retrieve it
if (ioctl(sock, SIOCGLIFBRDADDR, (char *)&if2) < 0) { if (ioctl(sock, SIOCGLIFBRDADDR, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGLIFBRDADDR failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFBRDADDR failed");
return ret; return ret;
} }
...@@ -1715,7 +1676,7 @@ static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname, ...@@ -1715,7 +1676,7 @@ static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname,
return ret; return ret;
} }
/** /*
* Returns the IPv4 subnet prefix length (aka subnet mask) for the named * Returns the IPv4 subnet prefix length (aka subnet mask) for the named
* interface, if it has one, otherwise return -1. * interface, if it has one, otherwise return -1.
*/ */
...@@ -1723,12 +1684,12 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) { ...@@ -1723,12 +1684,12 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) {
unsigned int mask; unsigned int mask;
short ret; short ret;
struct lifreq if2; struct lifreq if2;
memset((char *)&if2, 0, sizeof(if2));
memset((char *) &if2, 0, sizeof(if2)); strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
strcpy(if2.lifr_name, ifname);
if (ioctl(sock, SIOCGLIFNETMASK, (char *)&if2) < 0) { if (ioctl(sock, SIOCGLIFNETMASK, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGLIFNETMASK failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFNETMASK failed");
return -1; return -1;
} }
...@@ -1744,15 +1705,16 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) { ...@@ -1744,15 +1705,16 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) {
} }
#define DEV_PREFIX "/dev/" #define DEV_PREFIX "/dev/"
/** /*
* Solaris specific DLPI code to get hardware address from a device. * Solaris specific DLPI code to get hardware address from a device.
* Unfortunately, at least up to Solaris X, you have to have special * Unfortunately, at least up to Solaris X, you have to have special
* privileges (i.e. be root). * privileges (i.e. be root).
*/ */
static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retbuf) { static int getMacFromDevice
(JNIEnv *env, const char* ifname, unsigned char* retbuf)
{
char style1dev[MAXPATHLEN]; char style1dev[MAXPATHLEN];
int fd; int fd;
dl_phys_addr_req_t dlpareq; dl_phys_addr_req_t dlpareq;
...@@ -1761,17 +1723,12 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb ...@@ -1761,17 +1723,12 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb
char buf[128]; char buf[128];
int flags = 0; int flags = 0;
/** // Device is in /dev. e.g.: /dev/bge0
* Device is in /dev
* e.g.: /dev/bge0
*/
strcpy(style1dev, DEV_PREFIX); strcpy(style1dev, DEV_PREFIX);
strcat(style1dev, ifname); strcat(style1dev, ifname);
if ((fd = open(style1dev, O_RDWR)) < 0) { if ((fd = open(style1dev, O_RDWR)) < 0) {
/* // Can't open it. We probably are missing the privilege.
* Can't open it. We probably are missing the privilege. // We'll have to try something else
* We'll have to try something else
*/
return 0; return 0;
} }
...@@ -1782,7 +1739,8 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb ...@@ -1782,7 +1739,8 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb
msg.len = DL_PHYS_ADDR_REQ_SIZE; msg.len = DL_PHYS_ADDR_REQ_SIZE;
if (putmsg(fd, &msg, NULL, 0) < 0) { if (putmsg(fd, &msg, NULL, 0) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "putmsg failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"putmsg failed");
return -1; return -1;
} }
...@@ -1792,12 +1750,14 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb ...@@ -1792,12 +1750,14 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb
msg.len = 0; msg.len = 0;
msg.maxlen = sizeof (buf); msg.maxlen = sizeof (buf);
if (getmsg(fd, &msg, NULL, &flags) < 0) { if (getmsg(fd, &msg, NULL, &flags) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "getmsg failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"getmsg failed");
return -1; return -1;
} }
if (msg.len < DL_PHYS_ADDR_ACK_SIZE || dlpaack->dl_primitive != DL_PHYS_ADDR_ACK) { if (msg.len < DL_PHYS_ADDR_ACK_SIZE || dlpaack->dl_primitive != DL_PHYS_ADDR_ACK) {
JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Couldn't obtain phys addr\n"); JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
"Couldn't obtain phys addr\n");
return -1; return -1;
} }
...@@ -1805,21 +1765,23 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb ...@@ -1805,21 +1765,23 @@ static int getMacFromDevice(JNIEnv *env, const char* ifname, unsigned char* retb
return dlpaack->dl_addr_length; return dlpaack->dl_addr_length;
} }
/** /*
* Get the Hardware address (usually MAC address) for the named interface. * Gets the Hardware address (usually MAC address) for the named interface.
* return puts the data in buf, and returns the length, in byte, of the * On return puts the data in buf, and returns the length, in byte, of the
* MAC address. Returns -1 if there is no hardware address on that interface. * MAC address. Returns -1 if there is no hardware address on that interface.
*/ */
static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struct in_addr* addr, unsigned char *buf) { static int getMacAddress
(JNIEnv *env, int sock, const char *ifname, const struct in_addr* addr,
unsigned char *buf)
{
struct arpreq arpreq; struct arpreq arpreq;
struct sockaddr_in* sin; struct sockaddr_in* sin;
struct sockaddr_in ipAddr; struct sockaddr_in ipAddr;
int len, i; int len, i;
struct lifreq lif; struct lifreq lif;
/* First, try the new (S11) SIOCGLIFHWADDR ioctl(). If that fails // First, try the new (S11) SIOCGLIFHWADDR ioctl(). If that fails
* try the old way. // try the old way.
*/
memset(&lif, 0, sizeof(lif)); memset(&lif, 0, sizeof(lif));
strlcpy(lif.lifr_name, ifname, sizeof(lif.lifr_name)); strlcpy(lif.lifr_name, ifname, sizeof(lif.lifr_name));
...@@ -1830,18 +1792,14 @@ static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struc ...@@ -1830,18 +1792,14 @@ static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struc
return sp->sdl_alen; return sp->sdl_alen;
} }
/** // On Solaris we have to use DLPI, but it will only work if we have
* On Solaris we have to use DLPI, but it will only work if we have // privileged access (i.e. root). If that fails, we try a lookup
* privileged access (i.e. root). If that fails, we try a lookup // in the ARP table, which requires an IPv4 address.
* in the ARP table, which requires an IPv4 address.
*/
if ((len = getMacFromDevice(env, ifname, buf)) == 0) { if ((len = getMacFromDevice(env, ifname, buf)) == 0) {
/*DLPI failed - trying to do arp lookup*/ // DLPI failed - trying to do arp lookup
if (addr == NULL) { if (addr == NULL) {
/** // No IPv4 address for that interface, so can't do an ARP lookup.
* No IPv4 address for that interface, so can't do an ARP lookup.
*/
return -1; return -1;
} }
...@@ -1862,10 +1820,7 @@ static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struc ...@@ -1862,10 +1820,7 @@ static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struc
memcpy(buf, &arpreq.arp_ha.sa_data[0], len ); memcpy(buf, &arpreq.arp_ha.sa_data[0], len );
} }
/* // All bytes to 0 means no hardware address.
* All bytes to 0 means no hardware address.
*/
for (i = 0; i < len; i++) { for (i = 0; i < len; i++) {
if (buf[i] != 0) if (buf[i] != 0)
return len; return len;
...@@ -1876,56 +1831,57 @@ static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struc ...@@ -1876,56 +1831,57 @@ static int getMacAddress(JNIEnv *env, int sock, const char *ifname, const struc
static int getMTU(JNIEnv *env, int sock, const char *ifname) { static int getMTU(JNIEnv *env, int sock, const char *ifname) {
struct lifreq if2; struct lifreq if2;
memset((char *)&if2, 0, sizeof(if2));
memset((char *) &if2, 0, sizeof(if2)); strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
strcpy(if2.lifr_name, ifname);
if (ioctl(sock, SIOCGLIFMTU, (char *)&if2) < 0) { if (ioctl(sock, SIOCGLIFMTU, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGLIFMTU failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGLIFMTU failed");
return -1; return -1;
} }
return if2.lifr_mtu; return if2.lifr_mtu;
} }
static int getFlags(int sock, const char *ifname, int *flags) { static int getFlags(int sock, const char *ifname, int *flags) {
struct lifreq lifr; struct lifreq if2;
memset((caddr_t)&lifr, 0, sizeof(lifr)); memset((char *)&if2, 0, sizeof(if2));
strcpy((caddr_t)&(lifr.lifr_name), ifname); strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
if (ioctl(sock, SIOCGLIFFLAGS, (char *)&lifr) < 0) { if (ioctl(sock, SIOCGLIFFLAGS, (char *)&if2) < 0) {
return -1; return -1;
} }
*flags = lifr.lifr_flags; *flags = if2.lifr_flags;
return 0; return 0;
} }
#endif #endif /* __solaris__ */
/** BSD **/ /** BSD **/
#ifdef _ALLBSD_SOURCE #ifdef _ALLBSD_SOURCE
/* Open socket for further ioct calls, try v4 socket first and
* if it falls return v6 socket
*/
/*
* Opens a socket for further ioct calls. Tries AF_INET socket first and
* if it falls return AF_INET6 socket.
*/
#ifdef AF_INET6 #ifdef AF_INET6
static int openSocketWithFallback(JNIEnv *env, const char *ifname){ static int openSocketWithFallback(JNIEnv *env, const char *ifname) {
int sock; int sock;
struct ifreq if2; struct ifreq if2;
if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) { if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
if (errno == EPROTONOSUPPORT){ if (errno == EPROTONOSUPPORT) {
if ( (sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0 ){ if ((sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"IPV6 Socket creation failed");
return -1; return -1;
} }
} } else { // errno is not NOSUPPORT
else{ // errno is not NOSUPPORT NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed"); "IPV4 Socket creation failed");
return -1; return -1;
} }
} }
...@@ -1934,39 +1890,33 @@ static int openSocketWithFallback(JNIEnv *env, const char *ifname){ ...@@ -1934,39 +1890,33 @@ static int openSocketWithFallback(JNIEnv *env, const char *ifname){
} }
#else #else
static int openSocketWithFallback(JNIEnv *env, const char *ifname){ static int openSocketWithFallback(JNIEnv *env, const char *ifname) {
return openSocket(env,AF_INET); return openSocket(env,AF_INET);
} }
#endif #endif
/* /*
* Enumerates and returns all IPv4 interfaces * Enumerates and returns all IPv4 interfaces.
*/ */
static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) { static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) {
struct ifaddrs *ifa, *origifa; struct ifaddrs *ifa, *origifa;
if (getifaddrs(&origifa) != 0) { if (getifaddrs(&origifa) != 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"getifaddrs() function failed"); "getifaddrs() function failed");
return ifs; return ifs;
} }
for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) { for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) {
/* // Skip non-AF_INET entries.
* Skip non-AF_INET entries.
*/
if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET) if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET)
continue; continue;
/* // Add to the list.
* Add to the list.
*/
ifs = addif(env, sock, ifa->ifa_name, ifs, ifa->ifa_addr, AF_INET, 0); ifs = addif(env, sock, ifa->ifa_name, ifs, ifa->ifa_addr, AF_INET, 0);
/* // If an exception occurred then free the list.
* If an exception occurred then free the list.
*/
if ((*env)->ExceptionOccurred(env)) { if ((*env)->ExceptionOccurred(env)) {
freeifaddrs(origifa); freeifaddrs(origifa);
freeif(ifs); freeif(ifs);
...@@ -1974,33 +1924,25 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -1974,33 +1924,25 @@ static netif *enumIPv4Interfaces(JNIEnv *env, int sock, netif *ifs) {
} }
} }
/* // Free socket and buffer
* Free socket and buffer
*/
freeifaddrs(origifa); freeifaddrs(origifa);
return ifs; return ifs;
} }
/*
* Enumerates and returns all IPv6 interfaces on Linux
*/
#ifdef AF_INET6 #ifdef AF_INET6
/* /*
* Determines the prefix on BSD for IPv6 interfaces. * Determines the prefix on BSD for IPv6 interfaces.
*/ */
static static int prefix(void *val, int size) {
int prefix(void *val, int size) {
u_char *name = (u_char *)val; u_char *name = (u_char *)val;
int byte, bit, plen = 0; int byte, bit, prefix = 0;
for (byte = 0; byte < size; byte++, plen += 8) for (byte = 0; byte < size; byte++, prefix += 8)
if (name[byte] != 0xff) if (name[byte] != 0xff)
break; break;
if (byte == size) if (byte == size)
return (plen); return prefix;
for (bit = 7; bit != 0; bit--, plen++) for (bit = 7; bit != 0; bit--, prefix++)
if (!(name[byte] & (1 << bit))) if (!(name[byte] & (1 << bit)))
break; break;
for (; bit != 0; bit--) for (; bit != 0; bit--)
...@@ -2010,11 +1952,11 @@ int prefix(void *val, int size) { ...@@ -2010,11 +1952,11 @@ int prefix(void *val, int size) {
for (; byte < size; byte++) for (; byte < size; byte++)
if (name[byte]) if (name[byte])
return (0); return (0);
return (plen); return prefix;
} }
/* /*
* Enumerates and returns all IPv6 interfaces on BSD * Enumerates and returns all IPv6 interfaces on BSD.
*/ */
static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
struct ifaddrs *ifa, *origifa; struct ifaddrs *ifa, *origifa;
...@@ -2022,37 +1964,36 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -2022,37 +1964,36 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
struct in6_ifreq ifr6; struct in6_ifreq ifr6;
if (getifaddrs(&origifa) != 0) { if (getifaddrs(&origifa) != 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"getifaddrs() function failed"); "getifaddrs() function failed");
return ifs; return ifs;
} }
for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) { for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) {
/* // Skip non-AF_INET6 entries.
* Skip non-AF_INET6 entries.
*/
if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET6) if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET6)
continue; continue;
memset(&ifr6, 0, sizeof(ifr6)); memset(&ifr6, 0, sizeof(ifr6));
strlcpy(ifr6.ifr_name, ifa->ifa_name, sizeof(ifr6.ifr_name)); strlcpy(ifr6.ifr_name, ifa->ifa_name, sizeof(ifr6.ifr_name));
memcpy(&ifr6.ifr_addr, ifa->ifa_addr, MIN(sizeof(ifr6.ifr_addr), ifa->ifa_addr->sa_len)); memcpy(&ifr6.ifr_addr, ifa->ifa_addr,
MIN(sizeof(ifr6.ifr_addr), ifa->ifa_addr->sa_len));
if (ioctl(sock, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { if (ioctl(sock, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) {
NET_ThrowByNameWithLastError(env , JNU_JAVANETPKG "SocketException", NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFNETMASK_IN6 failed"); "ioctl SIOCGIFNETMASK_IN6 failed");
freeifaddrs(origifa); freeifaddrs(origifa);
freeif(ifs); freeif(ifs);
return NULL; return NULL;
} }
/* Add to the list. */ // Add to the list.
sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr;
ifs = addif(env, sock, ifa->ifa_name, ifs, ifa->ifa_addr, AF_INET6, ifs = addif(env, sock, ifa->ifa_name, ifs, ifa->ifa_addr, AF_INET6,
prefix(&sin6->sin6_addr, sizeof(struct in6_addr))); (short)prefix(&sin6->sin6_addr, sizeof(struct in6_addr)));
/* If an exception occurred then free the list. */ // If an exception occurred then free the list.
if ((*env)->ExceptionOccurred(env)) { if ((*env)->ExceptionOccurred(env)) {
freeifaddrs(origifa); freeifaddrs(origifa);
freeif(ifs); freeif(ifs);
...@@ -2060,22 +2001,19 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { ...@@ -2060,22 +2001,19 @@ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) {
} }
} }
/* // Free socket and ifaddrs buffer
* Free socket and ifaddrs buffer
*/
freeifaddrs(origifa); freeifaddrs(origifa);
return ifs; return ifs;
} }
#endif #endif
static int getIndex(int sock, const char *name){ static int getIndex(int sock, const char *name) {
#ifdef __FreeBSD__ #ifdef __FreeBSD__
/* // Try to get the interface index
* Try to get the interface index // (Not supported on Solaris 2.6 or 7)
* (Not supported on Solaris 2.6 or 7)
*/
struct ifreq if2; struct ifreq if2;
strcpy(if2.ifr_name, name); memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.ifr_name, name, sizeof(if2.ifr_name) - 1);
if (ioctl(sock, SIOCGIFINDEX, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFINDEX, (char *)&if2) < 0) {
return -1; return -1;
...@@ -2083,35 +2021,36 @@ static int getIndex(int sock, const char *name){ ...@@ -2083,35 +2021,36 @@ static int getIndex(int sock, const char *name){
return if2.ifr_index; return if2.ifr_index;
#else #else
/* // Try to get the interface index using BSD specific if_nametoindex
* Try to get the interface index using BSD specific if_nametoindex
*/
int index = if_nametoindex(name); int index = if_nametoindex(name);
return (index == 0) ? -1 : index; return (index == 0) ? -1 : index;
#endif #endif
} }
/** /*
* Returns the IPv4 broadcast address of a named interface, if it exists. * Returns the IPv4 broadcast address of a named interface, if it exists.
* Returns 0 if it doesn't have one. * Returns 0 if it doesn't have one.
*/ */
static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname, struct sockaddr *brdcast_store) { static struct sockaddr *getBroadcast
(JNIEnv *env, int sock, const char *ifname, struct sockaddr *brdcast_store)
{
struct sockaddr *ret = NULL; struct sockaddr *ret = NULL;
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
memset((char *) &if2, 0, sizeof(if2)); // Make sure the interface does have a broadcast address
strcpy(if2.ifr_name, ifname);
/* Let's make sure the interface does have a broadcast address */
if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFFLAGS failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFFLAGS failed");
return ret; return ret;
} }
if (if2.ifr_flags & IFF_BROADCAST) { if (if2.ifr_flags & IFF_BROADCAST) {
/* It does, let's retrieve it*/ // It does, let's retrieve it
if (ioctl(sock, SIOCGIFBRDADDR, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFBRDADDR, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFBRDADDR failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFBRDADDR failed");
return ret; return ret;
} }
...@@ -2122,7 +2061,7 @@ static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname, ...@@ -2122,7 +2061,7 @@ static struct sockaddr *getBroadcast(JNIEnv *env, int sock, const char *ifname,
return ret; return ret;
} }
/** /*
* Returns the IPv4 subnet prefix length (aka subnet mask) for the named * Returns the IPv4 subnet prefix length (aka subnet mask) for the named
* interface, if it has one, otherwise return -1. * interface, if it has one, otherwise return -1.
*/ */
...@@ -2130,12 +2069,12 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) { ...@@ -2130,12 +2069,12 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) {
unsigned int mask; unsigned int mask;
short ret; short ret;
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
memset((char *) &if2, 0, sizeof(if2)); strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
strcpy(if2.ifr_name, ifname);
if (ioctl(sock, SIOCGIFNETMASK, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFNETMASK, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFNETMASK failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFNETMASK failed");
return -1; return -1;
} }
...@@ -2149,25 +2088,28 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) { ...@@ -2149,25 +2088,28 @@ static short getSubnet(JNIEnv *env, int sock, const char *ifname) {
return ret; return ret;
} }
/** /*
* Get the Hardware address (usually MAC address) for the named interface. * Gets the Hardware address (usually MAC address) for the named interface.
* return puts the data in buf, and returns the length, in byte, of the * return puts the data in buf, and returns the length, in byte, of the
* MAC address. Returns -1 if there is no hardware address on that interface. * MAC address. Returns -1 if there is no hardware address on that interface.
*/ */
static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct in_addr* addr, unsigned char *buf) { static int getMacAddress
(JNIEnv *env, int sock, const char* ifname, const struct in_addr* addr,
unsigned char *buf)
{
struct ifaddrs *ifa0, *ifa; struct ifaddrs *ifa0, *ifa;
struct sockaddr *saddr; struct sockaddr *saddr;
int i; int i;
/* Grab the interface list */ // Grab the interface list
if (!getifaddrs(&ifa0)) { if (!getifaddrs(&ifa0)) {
/* Cycle through the interfaces */ // Cycle through the interfaces
for (i = 0, ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next, i++) { for (i = 0, ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next, i++) {
saddr = ifa->ifa_addr; saddr = ifa->ifa_addr;
/* Link layer contains the MAC address */ // Link layer contains the MAC address
if (saddr->sa_family == AF_LINK && !strcmp(ifname, ifa->ifa_name)) { if (saddr->sa_family == AF_LINK && !strcmp(ifname, ifa->ifa_name)) {
struct sockaddr_dl *sadl = (struct sockaddr_dl *) saddr; struct sockaddr_dl *sadl = (struct sockaddr_dl *) saddr;
/* Check the address is the correct length */ // Check the address is the correct length
if (sadl->sdl_alen == ETHER_ADDR_LEN) { if (sadl->sdl_alen == ETHER_ADDR_LEN) {
memcpy(buf, (sadl->sdl_data + sadl->sdl_nlen), ETHER_ADDR_LEN); memcpy(buf, (sadl->sdl_data + sadl->sdl_nlen), ETHER_ADDR_LEN);
freeifaddrs(ifa0); freeifaddrs(ifa0);
...@@ -2183,12 +2125,12 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct ...@@ -2183,12 +2125,12 @@ static int getMacAddress(JNIEnv *env, int sock, const char* ifname, const struct
static int getMTU(JNIEnv *env, int sock, const char *ifname) { static int getMTU(JNIEnv *env, int sock, const char *ifname) {
struct ifreq if2; struct ifreq if2;
memset((char *)&if2, 0, sizeof(if2));
memset((char *) &if2, 0, sizeof(if2)); strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
strcpy(if2.ifr_name, ifname);
if (ioctl(sock, SIOCGIFMTU, (char *)&if2) < 0) { if (ioctl(sock, SIOCGIFMTU, (char *)&if2) < 0) {
NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "IOCTL SIOCGIFMTU failed"); NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
"ioctl SIOCGIFMTU failed");
return -1; return -1;
} }
...@@ -2198,11 +2140,10 @@ static int getMTU(JNIEnv *env, int sock, const char *ifname) { ...@@ -2198,11 +2140,10 @@ static int getMTU(JNIEnv *env, int sock, const char *ifname) {
static int getFlags(int sock, const char *ifname, int *flags) { static int getFlags(int sock, const char *ifname, int *flags) {
struct ifreq if2; struct ifreq if2;
int ret = -1; int ret = -1;
memset((char *)&if2, 0, sizeof(if2));
strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
memset((char *) &if2, 0, sizeof(if2)); if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) {
strcpy(if2.ifr_name, ifname);
if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0){
return -1; return -1;
} }
...@@ -2213,5 +2154,4 @@ static int getFlags(int sock, const char *ifname, int *flags) { ...@@ -2213,5 +2154,4 @@ static int getFlags(int sock, const char *ifname, int *flags) {
} }
return 0; return 0;
} }
#endif /* __ALLBSD_SOURCE__ */
#endif
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