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src/solaris/native/java/net/NetworkInterface.c

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rev 11915 : 8163181: Further improvements for Unix NetworkInterface native implementation
Reviewed-by: chegar, msheppar

*** 78,87 **** --- 78,93 ---- #define SIOCGLIFHWADDR _IOWR('i', 192, struct lifreq) #endif #define DEV_PREFIX "/dev/" #endif + #ifdef LIFNAMSIZ + #define IFNAMESIZE LIFNAMSIZ + #else + #define IFNAMESIZE IFNAMSIZ + #endif + #define CHECKED_MALLOC3(_pointer, _type, _size) \ do { \ _pointer = (_type)malloc(_size); \ if (_pointer == NULL) { \ JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed"); \
*** 161,171 **** static short translateIPv4AddressToPrefix(struct sockaddr_in *addr); static short translateIPv6AddressToPrefix(struct sockaddr_in6 *addr); static int getIndex(int sock, const char *ifname); 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 getMTU(JNIEnv *env, int sock, const char *ifname); #if defined(__solaris__) static int getMacFromDevice(JNIEnv *env, const char *ifname, --- 167,177 ---- static short translateIPv4AddressToPrefix(struct sockaddr_in *addr); static short translateIPv6AddressToPrefix(struct sockaddr_in6 *addr); static int getIndex(int sock, const char *ifname); static int getFlags(int sock, const char *ifname, int *flags); ! static int getMacAddress(JNIEnv *env, const char *ifname, const struct in_addr *addr, unsigned char *buf); static int getMTU(JNIEnv *env, int sock, const char *ifname); #if defined(__solaris__) static int getMacFromDevice(JNIEnv *env, const char *ifname,
*** 254,277 **** netif *ifs, *curr; jboolean isCopy; const char* name_utf; jobject obj = NULL; ! ifs = enumInterfaces(env); ! if (ifs == NULL) { return NULL; } - name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! freeif(ifs); ! return NULL; } ! // Search the list of interface based on name curr = ifs; while (curr != NULL) { if (strcmp(name_utf, curr->name) == 0) { break; } --- 260,288 ---- netif *ifs, *curr; jboolean isCopy; const char* name_utf; jobject obj = NULL; ! if (name != NULL) { ! name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); ! } else { ! JNU_ThrowNullPointerException(env, "network interface name is NULL"); return NULL; } if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return NULL; ! } ! ! ifs = enumInterfaces(env); ! if (ifs == NULL) { ! return NULL; } ! // search the list of interfaces based on name curr = ifs; while (curr != NULL) { if (strcmp(name_utf, curr->name) == 0) { break; }
*** 308,318 **** ifs = enumInterfaces(env); if (ifs == NULL) { return NULL; } ! // Search the list of interface based on index curr = ifs; while (curr != NULL) { if (index == curr->index) { break; } --- 319,329 ---- ifs = enumInterfaces(env); if (ifs == NULL) { return NULL; } ! // search the list of interfaces based on index curr = ifs; while (curr != NULL) { if (index == curr->index) { break; }
*** 322,332 **** --- 333,345 ---- // if found create a NetworkInterface if (curr != NULL) { obj = createNetworkInterface(env, curr); } + // release the interface list freeif(ifs); + return obj; } /* * Class: java_net_NetworkInterface
*** 335,351 **** */ JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0 (JNIEnv *env, jclass cls, jobject iaObj) { netif *ifs, *curr; - #if defined(AF_INET6) int family = (getInetAddress_family(env, iaObj) == IPv4) ? AF_INET : AF_INET6; #else int family = AF_INET; #endif - jobject obj = NULL; jboolean match = JNI_FALSE; ifs = enumInterfaces(env); if (ifs == NULL) { --- 348,362 ----
*** 360,378 **** while (addrP != NULL) { if (family == addrP->family) { if (family == AF_INET) { int address1 = htonl( ! ((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr); int address2 = getInetAddress_addr(env, iaObj); if (address1 == address2) { match = JNI_TRUE; break; } } - #if defined(AF_INET6) if (family == AF_INET6) { jbyte *bytes = (jbyte *)&( ((struct sockaddr_in6*)addrP->addr)->sin6_addr); jbyte caddr[16]; --- 371,388 ---- while (addrP != NULL) { if (family == addrP->family) { if (family == AF_INET) { int address1 = htonl( ! ((struct sockaddr_in *)addrP->addr)->sin_addr.s_addr); int address2 = getInetAddress_addr(env, iaObj); if (address1 == address2) { match = JNI_TRUE; break; } } #if defined(AF_INET6) if (family == AF_INET6) { jbyte *bytes = (jbyte *)&( ((struct sockaddr_in6*)addrP->addr)->sin6_addr); jbyte caddr[16];
*** 408,418 **** --- 418,430 ---- // if found create a NetworkInterface if (match) { obj = createNetworkInterface(env, curr); } + // release the interface list freeif(ifs); + return obj; } /* * Class: java_net_NetworkInterface
*** 429,439 **** ifs = enumInterfaces(env); if (ifs == NULL) { return NULL; } ! // count the interface ifCount = 0; curr = ifs; while (curr != NULL) { ifCount++; curr = curr->next; --- 441,451 ---- ifs = enumInterfaces(env); if (ifs == NULL) { return NULL; } ! // count the interfaces ifCount = 0; curr = ifs; while (curr != NULL) { ifCount++; curr = curr->next;
*** 444,455 **** if (netIFArr == NULL) { freeif(ifs); return NULL; } ! // Iterate through the interfaces, create a NetworkInterface instance ! // for each array element and populate the object. curr = ifs; arr_index = 0; while (curr != NULL) { jobject netifObj; --- 456,467 ---- if (netIFArr == NULL) { freeif(ifs); return NULL; } ! // iterate through the interfaces, create a NetworkInterface instance ! // for each array element and populate the object curr = ifs; arr_index = 0; while (curr != NULL) { jobject netifObj;
*** 463,473 **** --- 475,487 ---- (*env)->SetObjectArrayElement(env, netIFArr, arr_index++, netifObj); curr = curr->next; } + // release the interface list freeif(ifs); + return netIFArr; } /* * Class: java_net_NetworkInterface
*** 529,578 **** jbyte caddr[4]; struct in_addr iaddr; jbyteArray ret = NULL; unsigned char mac[16]; int len; - int sock; jboolean isCopy; ! const char* name_utf; ! name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); ! if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return NULL; } ! if ((sock = openSocketWithFallback(env, name_utf)) < 0) { ! (*env)->ReleaseStringUTFChars(env, name, name_utf); ! return NULL; } if (!IS_NULL(addrArray)) { ! (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr); ! addr = ((caddr[0]<<24) & 0xff000000); ! addr |= ((caddr[1] <<16) & 0xff0000); ! addr |= ((caddr[2] <<8) & 0xff00); ! addr |= (caddr[3] & 0xff); ! iaddr.s_addr = htonl(addr); ! len = getMacAddress(env, sock, name_utf, &iaddr, mac); } else { ! len = getMacAddress(env, sock, name_utf, NULL, mac); } if (len > 0) { ! ret = (*env)->NewByteArray(env, len); ! if (IS_NULL(ret)) { ! /* we may have memory to free at the end of this */ ! goto fexit; ! } ! (*env)->SetByteArrayRegion(env, ret, 0, len, (jbyte *)(mac)); } - fexit: - // release the UTF string and interface list - (*env)->ReleaseStringUTFChars(env, name, name_utf); ! close(sock); ! return ret; } /* * Class: java_net_NetworkInterface * Method: getMTU0 --- 543,591 ---- jbyte caddr[4]; struct in_addr iaddr; jbyteArray ret = NULL; unsigned char mac[16]; int len; jboolean isCopy; ! const char *name_utf; ! if (name != NULL) { ! name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); ! } else { ! JNU_ThrowNullPointerException(env, "network interface name is NULL"); ! return NULL; } ! ! if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return NULL; } if (!IS_NULL(addrArray)) { ! (*env)->GetByteArrayRegion(env, addrArray, 0, 4, caddr); ! addr = ((caddr[0]<<24) & 0xff000000); ! addr |= ((caddr[1] <<16) & 0xff0000); ! addr |= ((caddr[2] <<8) & 0xff00); ! addr |= (caddr[3] & 0xff); ! iaddr.s_addr = htonl(addr); ! len = getMacAddress(env, name_utf, &iaddr, mac); } else { ! len = getMacAddress(env, name_utf, NULL, mac); } + if (len > 0) { ! ret = (*env)->NewByteArray(env, len); ! if (!IS_NULL(ret)) { ! (*env)->SetByteArrayRegion(env, ret, 0, len, (jbyte *)(mac)); ! } } ! // release the UTF string and interface list ! (*env)->ReleaseStringUTFChars(env, name, name_utf); ! ! return ret; } /* * Class: java_net_NetworkInterface * Method: getMTU0
*** 580,608 **** */ JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0 (JNIEnv *env, jclass cls, jstring name, jint index) { jboolean isCopy; ! int ret = -1; ! int sock; const char* name_utf = NULL; if (name != NULL) { name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); } else { JNU_ThrowNullPointerException(env, "network interface name is NULL"); return ret; } if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return ret; } if ((sock = openSocketWithFallback(env, name_utf)) < 0) { ! (*env)->ReleaseStringUTFChars(env, name, name_utf); ! return JNI_FALSE; } ret = getMTU(env, sock, name_utf); (*env)->ReleaseStringUTFChars(env, name, name_utf); --- 593,621 ---- */ JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0 (JNIEnv *env, jclass cls, jstring name, jint index) { jboolean isCopy; ! int sock, ret = -1; const char* name_utf = NULL; if (name != NULL) { name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); } else { JNU_ThrowNullPointerException(env, "network interface name is NULL"); return ret; } + if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return ret; } if ((sock = openSocketWithFallback(env, name_utf)) < 0) { ! (*env)->ReleaseStringUTFChars(env, name, name_utf); ! return JNI_FALSE; } ret = getMTU(env, sock, name_utf); (*env)->ReleaseStringUTFChars(env, name, name_utf);
*** 613,636 **** /*** Private methods definitions ****/ static int getFlags0(JNIEnv *env, jstring name) { jboolean isCopy; ! int ret, sock; ! const char* name_utf; ! int flags = 0; if (name != NULL) { name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); } else { JNU_ThrowNullPointerException(env, "network interface name is NULL"); return -1; } if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return -1; } if ((sock = openSocketWithFallback(env, name_utf)) < 0) { (*env)->ReleaseStringUTFChars(env, name, name_utf); return -1; } --- 626,649 ---- /*** Private methods definitions ****/ static int getFlags0(JNIEnv *env, jstring name) { jboolean isCopy; ! int ret, sock, flags = 0; ! const char *name_utf; if (name != NULL) { name_utf = (*env)->GetStringUTFChars(env, name, &isCopy); } else { JNU_ThrowNullPointerException(env, "network interface name is NULL"); return -1; } + if (name_utf == NULL) { ! if (!(*env)->ExceptionCheck(env)) ! JNU_ThrowOutOfMemoryError(env, NULL); ! return -1; } if ((sock = openSocketWithFallback(env, name_utf)) < 0) { (*env)->ReleaseStringUTFChars(env, name, name_utf); return -1; }
*** 639,650 **** close(sock); (*env)->ReleaseStringUTFChars(env, name, name_utf); if (ret < 0) { ! NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", ! "ioctl SIOCGLIFFLAGS failed"); return -1; } return flags; } --- 652,663 ---- close(sock); (*env)->ReleaseStringUTFChars(env, name, name_utf); if (ret < 0) { ! NET_ThrowByNameWithLastError ! (env, JNU_JAVANETPKG "SocketException", "getFlags() failed"); return -1; } return flags; }
*** 665,694 **** jint child_count, child_index; netaddr *addrP; netif *childP; jobject tmp; ! // Create a NetworkInterface object and populate it netifObj = (*env)->NewObject(env, ni_class, ni_ctrID); CHECK_NULL_RETURN(netifObj, NULL); name = (*env)->NewStringUTF(env, ifs->name); CHECK_NULL_RETURN(name, NULL); (*env)->SetObjectField(env, netifObj, ni_nameID, name); (*env)->SetObjectField(env, netifObj, ni_descID, name); (*env)->SetIntField(env, netifObj, ni_indexID, ifs->index); (*env)->SetBooleanField(env, netifObj, ni_virutalID, ifs->virtual ? JNI_TRUE : JNI_FALSE); ! //Count the number of address on this interface addr_count = 0; addrP = ifs->addr; while (addrP != NULL) { addr_count++; addrP = addrP->next; } ! // Create the array of InetAddresses addrArr = (*env)->NewObjectArray(env, addr_count, ni_iacls, NULL); if (addrArr == NULL) { return NULL; } --- 678,707 ---- jint child_count, child_index; netaddr *addrP; netif *childP; jobject tmp; ! // create a NetworkInterface object and populate it netifObj = (*env)->NewObject(env, ni_class, ni_ctrID); CHECK_NULL_RETURN(netifObj, NULL); name = (*env)->NewStringUTF(env, ifs->name); CHECK_NULL_RETURN(name, NULL); (*env)->SetObjectField(env, netifObj, ni_nameID, name); (*env)->SetObjectField(env, netifObj, ni_descID, name); (*env)->SetIntField(env, netifObj, ni_indexID, ifs->index); (*env)->SetBooleanField(env, netifObj, ni_virutalID, ifs->virtual ? JNI_TRUE : JNI_FALSE); ! // count the number of addresses on this interface addr_count = 0; addrP = ifs->addr; while (addrP != NULL) { addr_count++; addrP = addrP->next; } ! // create the array of InetAddresses addrArr = (*env)->NewObjectArray(env, addr_count, ni_iacls, NULL); if (addrArr == NULL) { return NULL; }
*** 704,739 **** jobject ibObj = NULL; if (addrP->family == AF_INET) { iaObj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); if (iaObj) { ! setInetAddress_addr(env, iaObj, htonl( ! ((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr)); } else { return NULL; } ibObj = (*env)->NewObject(env, ni_ibcls, ni_ibctrID); if (ibObj) { ! (*env)->SetObjectField(env, ibObj, ni_ibaddressID, iaObj); ! if (addrP->brdcast) { jobject ia2Obj = NULL; ia2Obj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); if (ia2Obj) { ! setInetAddress_addr(env, ia2Obj, htonl( ! ((struct sockaddr_in*)addrP->brdcast)->sin_addr.s_addr)); ! (*env)->SetObjectField(env, ibObj, ni_ib4broadcastID, ia2Obj); } else { return NULL; } ! } ! (*env)->SetShortField(env, ibObj, ni_ib4maskID, addrP->mask); ! (*env)->SetObjectArrayElement(env, bindArr, bind_index++, ibObj); } else { return NULL; } } - #if defined(AF_INET6) if (addrP->family == AF_INET6) { int scope=0; iaObj = (*env)->NewObject(env, ni_ia6cls, ni_ia6ctrID); if (iaObj) { --- 717,751 ---- jobject ibObj = NULL; if (addrP->family == AF_INET) { iaObj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); if (iaObj) { ! setInetAddress_addr(env, iaObj, htonl( ! ((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr)); } else { return NULL; } ibObj = (*env)->NewObject(env, ni_ibcls, ni_ibctrID); if (ibObj) { ! (*env)->SetObjectField(env, ibObj, ni_ibaddressID, iaObj); ! if (addrP->brdcast) { jobject ia2Obj = NULL; ia2Obj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); if (ia2Obj) { ! setInetAddress_addr(env, ia2Obj, htonl( ! ((struct sockaddr_in*)addrP->brdcast)->sin_addr.s_addr)); ! (*env)->SetObjectField(env, ibObj, ni_ib4broadcastID, ia2Obj); } else { return NULL; } ! } ! (*env)->SetShortField(env, ibObj, ni_ib4maskID, addrP->mask); ! (*env)->SetObjectArrayElement(env, bindArr, bind_index++, ibObj); } else { return NULL; } } #if defined(AF_INET6) if (addrP->family == AF_INET6) { int scope=0; iaObj = (*env)->NewObject(env, ni_ia6cls, ni_ia6ctrID); if (iaObj) {
*** 765,775 **** (*env)->SetObjectArrayElement(env, addrArr, addr_index++, iaObj); addrP = addrP->next; } ! // See if there is any virtual interface attached to this one. child_count = 0; childP = ifs->childs; while (childP) { child_count++; childP = childP->next; --- 777,787 ---- (*env)->SetObjectArrayElement(env, addrArr, addr_index++, iaObj); addrP = addrP->next; } ! // see if there is any virtual interface attached to this one. child_count = 0; childP = ifs->childs; while (childP) { child_count++; childP = childP->next;
*** 778,798 **** childArr = (*env)->NewObjectArray(env, child_count, ni_class, NULL); if (childArr == NULL) { return NULL; } ! // Create the NetworkInterface instances for the sub-interfaces as well. child_index = 0; childP = ifs->childs; while(childP) { ! tmp = createNetworkInterface(env, childP); ! if (tmp == NULL) { ! return NULL; ! } ! (*env)->SetObjectField(env, tmp, ni_parentID, netifObj); ! (*env)->SetObjectArrayElement(env, childArr, child_index++, tmp); ! childP = childP->next; } (*env)->SetObjectField(env, netifObj, ni_addrsID, addrArr); (*env)->SetObjectField(env, netifObj, ni_bindsID, bindArr); (*env)->SetObjectField(env, netifObj, ni_childsID, childArr); --- 790,810 ---- childArr = (*env)->NewObjectArray(env, child_count, ni_class, NULL); if (childArr == NULL) { return NULL; } ! // create the NetworkInterface instances for the sub-interfaces as well child_index = 0; childP = ifs->childs; while(childP) { ! tmp = createNetworkInterface(env, childP); ! if (tmp == NULL) { ! return NULL; ! } ! (*env)->SetObjectField(env, tmp, ni_parentID, netifObj); ! (*env)->SetObjectArrayElement(env, childArr, child_index++, tmp); ! childP = childP->next; } (*env)->SetObjectField(env, netifObj, ni_addrsID, addrArr); (*env)->SetObjectField(env, netifObj, ni_bindsID, bindArr); (*env)->SetObjectField(env, netifObj, ni_childsID, childArr);
*** 802,851 **** /* * Enumerates all interfaces */ static netif *enumInterfaces(JNIEnv *env) { ! netif *ifs; int sock; - // Enumerate IPv4 addresses sock = openSocket(env, AF_INET); if (sock < 0 && (*env)->ExceptionOccurred(env)) { return NULL; } ifs = enumIPv4Interfaces(env, sock, NULL); close(sock); if (ifs == NULL && (*env)->ExceptionOccurred(env)) { return NULL; } - // return partial list if an exception occurs in the middle of process ??? - // If IPv6 is available then enumerate IPv6 addresses. #if defined(AF_INET6) - // User can disable ipv6 explicitly by -Djava.net.preferIPv4Stack=true, // so we have to call ipv6_available() if (ipv6_available()) { ! sock = openSocket(env, AF_INET6); ! if (sock < 0 && (*env)->ExceptionOccurred(env)) { ! freeif(ifs); ! return NULL; ! } ! ! ifs = enumIPv6Interfaces(env, sock, ifs); ! close(sock); ! ! if ((*env)->ExceptionOccurred(env)) { ! freeif(ifs); ! return NULL; ! } ! } #endif return ifs; } --- 814,859 ---- /* * Enumerates all interfaces */ static netif *enumInterfaces(JNIEnv *env) { ! netif *ifs = NULL; int sock; sock = openSocket(env, AF_INET); if (sock < 0 && (*env)->ExceptionOccurred(env)) { return NULL; } + // enumerate IPv4 addresses ifs = enumIPv4Interfaces(env, sock, NULL); close(sock); + // return partial list if an exception occurs in the middle of process ??? if (ifs == NULL && (*env)->ExceptionOccurred(env)) { return NULL; } // If IPv6 is available then enumerate IPv6 addresses. #if defined(AF_INET6) // User can disable ipv6 explicitly by -Djava.net.preferIPv4Stack=true, // so we have to call ipv6_available() if (ipv6_available()) { + sock = openSocket(env, AF_INET6); + if (sock < 0 && (*env)->ExceptionOccurred(env)) { + freeif(ifs); + return NULL; + } ! ifs = enumIPv6Interfaces(env, sock, ifs); ! close(sock); ! if ((*env)->ExceptionOccurred(env)) { ! freeif(ifs); ! return NULL; ! } ! } #endif return ifs; }
*** 862,872 **** netaddr *next = addrP->next; free(addrP); addrP = next; } ! // Don't forget to free the sub-interfaces. if (currif->childs != NULL) { freeif(currif->childs); } ifs = currif->next; --- 870,880 ---- netaddr *next = addrP->next; free(addrP); addrP = next; } ! // don't forget to free the sub-interfaces if (currif->childs != NULL) { freeif(currif->childs); } ifs = currif->next;
*** 880,909 **** struct sockaddr *ifr_broadaddrP, int family, short prefix) { netif *currif = ifs, *parent; netaddr *addrP; ! ! #ifdef LIFNAMSIZ ! int ifnam_size = LIFNAMSIZ; ! char name[LIFNAMSIZ], vname[LIFNAMSIZ]; ! #else ! int ifnam_size = IFNAMSIZ; ! char name[IFNAMSIZ], vname[IFNAMSIZ]; ! #endif ! char *name_colonP; int isVirtual = 0; int addr_size; - int flags = 0; // If the interface name is a logical interface then we remove the unit // number so that we have the physical interface (eg: hme0:1 -> hme0). // NetworkInterface currently doesn't have any concept of physical vs. // logical interfaces. ! strncpy(name, if_name, ifnam_size); ! name[ifnam_size - 1] = '\0'; *vname = 0; // Create and populate the netaddr node. If allocation fails // return an un-updated list. --- 888,908 ---- struct sockaddr *ifr_broadaddrP, int family, short prefix) { netif *currif = ifs, *parent; netaddr *addrP; ! char name[IFNAMESIZE], vname[IFNAMESIZE]; char *name_colonP; int isVirtual = 0; int addr_size; // If the interface name is a logical interface then we remove the unit // number so that we have the physical interface (eg: hme0:1 -> hme0). // NetworkInterface currently doesn't have any concept of physical vs. // logical interfaces. ! strncpy(name, if_name, IFNAMESIZE); ! name[IFNAMESIZE - 1] = '\0'; *vname = 0; // Create and populate the netaddr node. If allocation fails // return an un-updated list.
*** 921,930 **** --- 920,930 ---- memcpy(addrP->addr, ifr_addrP, addr_size); addrP->family = family; addrP->mask = prefix; addrP->next = 0; + // for IPv4 add broadcast address if (family == AF_INET && ifr_broadaddrP != NULL) { addrP->brdcast = (struct sockaddr *) ((char *)addrP + sizeof(netaddr) + addr_size); memcpy(addrP->brdcast, ifr_broadaddrP, addr_size);
*** 933,956 **** } // Deal with virtual interface with colon notation e.g. eth0:1 name_colonP = strchr(name, ':'); if (name_colonP != NULL) { // 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 // the 'parent' interface with the new records. *name_colonP = 0; if (getFlags(sock, name, &flags) < 0 || flags < 0) { ! // failed to access parent interface do not create parent. ! // We are a virtual interface with no parent. ! isVirtual = 1; ! *name_colonP = ':'; } else { ! // Got access to parent, so create it if necessary. ! // Save original name to vname and truncate name by ':' ! memcpy(vname, name, sizeof(vname) ); ! vname[name_colonP - name] = ':'; } } // Check if this is a "new" interface. Use the interface name for // matching because index isn't supported on Solaris 2.6 & 7. --- 933,957 ---- } // Deal with virtual interface with colon notation e.g. eth0:1 name_colonP = strchr(name, ':'); if (name_colonP != NULL) { + int flags = 0; // 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 // the 'parent' interface with the new records. *name_colonP = 0; if (getFlags(sock, name, &flags) < 0 || flags < 0) { ! // failed to access parent interface do not create parent. ! // We are a virtual interface with no parent. ! isVirtual = 1; ! *name_colonP = ':'; } else { ! // Got access to parent, so create it if necessary. ! // Save original name to vname and truncate name by ':' ! memcpy(vname, name, sizeof(vname)); ! vname[name_colonP - name] = ':'; } } // Check if this is a "new" interface. Use the interface name for // matching because index isn't supported on Solaris 2.6 & 7.
*** 959,974 **** break; } currif = currif->next; } ! // If "new" then create an netif structure and insert it into the list. if (currif == NULL) { ! CHECKED_MALLOC3(currif, netif *, sizeof(netif) + ifnam_size); currif->name = (char *)currif + sizeof(netif); ! strncpy(currif->name, name, ifnam_size); ! currif->name[ifnam_size - 1] = '\0'; currif->index = getIndex(sock, name); currif->addr = NULL; currif->childs = NULL; currif->virtual = isVirtual; currif->next = ifs; --- 960,975 ---- break; } currif = currif->next; } ! // If "new" then create a netif structure and insert it into the list. if (currif == NULL) { ! CHECKED_MALLOC3(currif, netif *, sizeof(netif) + IFNAMESIZE); currif->name = (char *)currif + sizeof(netif); ! strncpy(currif->name, name, IFNAMESIZE); ! currif->name[IFNAMESIZE - 1] = '\0'; currif->index = getIndex(sock, name); currif->addr = NULL; currif->childs = NULL; currif->virtual = isVirtual; currif->next = ifs;
*** 993,1009 **** } currif = currif->next; } if (currif == NULL) { ! CHECKED_MALLOC3(currif, netif *, sizeof(netif) + ifnam_size); currif->name = (char *)currif + sizeof(netif); ! strncpy(currif->name, vname, ifnam_size); ! currif->name[ifnam_size - 1] = '\0'; currif->index = getIndex(sock, vname); ! currif->addr = NULL; ! // Need to duplicate the addr entry? currif->virtual = 1; currif->childs = NULL; currif->next = parent->childs; parent->childs = currif; } --- 994,1009 ---- } currif = currif->next; } if (currif == NULL) { ! CHECKED_MALLOC3(currif, netif *, sizeof(netif) + IFNAMESIZE); currif->name = (char *)currif + sizeof(netif); ! strncpy(currif->name, vname, IFNAMESIZE); ! currif->name[IFNAMESIZE - 1] = '\0'; currif->index = getIndex(sock, vname); ! currif->addr = NULL; // Need to duplicate the addr entry? currif->virtual = 1; currif->childs = NULL; currif->next = parent->childs; parent->childs = currif; }
*** 1088,1099 **** if ((sock = JVM_Socket(proto, SOCK_DGRAM, 0)) < 0) { // If EPROTONOSUPPORT is returned it means we don't have // support for this proto so don't throw an exception. if (errno != EPROTONOSUPPORT) { ! NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", ! "Socket creation failed"); } return -1; } return sock; --- 1088,1099 ---- if ((sock = JVM_Socket(proto, SOCK_DGRAM, 0)) < 0) { // If EPROTONOSUPPORT is returned it means we don't have // support for this proto so don't throw an exception. if (errno != EPROTONOSUPPORT) { ! NET_ThrowByNameWithLastError ! (env, JNU_JAVANETPKG "SocketException", "Socket creation failed"); } return -1; } return sock;
*** 1111,1127 **** int sock; if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) { if (errno == EPROTONOSUPPORT) { if ((sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { ! NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", ! "IPV6 Socket creation failed"); return -1; } } else { // errno is not NOSUPPORT ! NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", ! "IPV4 Socket creation failed"); return -1; } } // Linux starting from 2.6.? kernel allows ioctl call with either IPv4 or --- 1111,1127 ---- int sock; if ((sock = JVM_Socket(AF_INET, SOCK_DGRAM, 0)) < 0) { if (errno == EPROTONOSUPPORT) { if ((sock = JVM_Socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { ! NET_ThrowByNameWithLastError ! (env, JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed"); return -1; } } else { // errno is not NOSUPPORT ! NET_ThrowByNameWithLastError ! (env, JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed"); return -1; } } // Linux starting from 2.6.? kernel allows ioctl call with either IPv4 or
*** 1166,1176 **** ifreqP = ifc.ifc_req; for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++, ifreqP++) { struct sockaddr addr, broadaddr, *broadaddrP = NULL; short prefix = 0; ! // ignore non IPv4 interfaces if (ifreqP->ifr_addr.sa_family != AF_INET) { continue; } // save socket address --- 1166,1176 ---- ifreqP = ifc.ifc_req; for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++, ifreqP++) { struct sockaddr addr, broadaddr, *broadaddrP = NULL; short prefix = 0; ! // ignore non IPv4 addresses if (ifreqP->ifr_addr.sa_family != AF_INET) { continue; } // save socket address
*** 1280,1302 **** * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, int sock, const char *ifname, const struct in_addr *addr, unsigned char *buf) { static struct ifreq ifr; ! int i; memset((char *)&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1); if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFHWADDR) failed"); return -1; } memcpy(buf, &ifr.ifr_hwaddr.sa_data, IFHWADDRLEN); // all bytes to 0 means no hardware address for (i = 0; i < IFHWADDRLEN; i++) { if (buf[i] != 0) --- 1280,1309 ---- * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, const char *ifname, const struct in_addr *addr, unsigned char *buf) { static struct ifreq ifr; ! int i, sock; ! ! if ((sock = openSocketWithFallback(env, ifname)) < 0) { ! return -1; ! } ! memset((char *)&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1); if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFHWADDR) failed"); + close(sock); return -1; } + close(sock); memcpy(buf, &ifr.ifr_hwaddr.sa_data, IFHWADDRLEN); // all bytes to 0 means no hardware address for (i = 0; i < IFHWADDRLEN; i++) { if (buf[i] != 0)
*** 1404,1414 **** ifreqP = ifc.ifc_req; for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++, ifreqP++) { struct sockaddr addr, broadaddr, *broadaddrP = NULL; short prefix = 0; ! // ignore non IPv4 interfaces if (ifreqP->ifr_addr.sa_family != AF_INET) { continue; } // save socket address --- 1411,1421 ---- ifreqP = ifc.ifc_req; for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq); i++, ifreqP++) { struct sockaddr addr, broadaddr, *broadaddrP = NULL; short prefix = 0; ! // ignore non IPv4 addresses if (ifreqP->ifr_addr.sa_family != AF_INET) { continue; } // save socket address
*** 1460,1470 **** * Enumerates and returns all IPv6 interfaces on AIX. */ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { struct ifconf ifc; struct ifreq *ifreqP; ! char *buf; // call SIOCGSIZIFCONF to get size for SIOCGIFCONF buffer if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGSIZIFCONF) failed"); --- 1467,1477 ---- * Enumerates and returns all IPv6 interfaces on AIX. */ static netif *enumIPv6Interfaces(JNIEnv *env, int sock, netif *ifs) { struct ifconf ifc; struct ifreq *ifreqP; ! char *buf, *cp, *cplimit; // call SIOCGSIZIFCONF to get size for SIOCGIFCONF buffer if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGSIZIFCONF) failed");
*** 1480,1500 **** free(buf); return ifs; } // iterate through each interface ! char *cp = (char *)ifc.ifc_req; ! char *cplimit = cp + ifc.ifc_len; for (; cp < cplimit; cp += (sizeof(ifreqP->ifr_name) + MAX((ifreqP->ifr_addr).sa_len, sizeof(ifreqP->ifr_addr)))) { ifreqP = (struct ifreq *)cp; short prefix = 0; ! // ignore non IPv6 interfaces if (ifreqP->ifr_addr.sa_family != AF_INET6) { continue; } // determine netmask --- 1487,1508 ---- free(buf); return ifs; } // iterate through each interface ! ifreqP = ifc.ifc_req; ! cp = (char *)ifc.ifc_req; ! cplimit = cp + ifc.ifc_len; for (; cp < cplimit; cp += (sizeof(ifreqP->ifr_name) + MAX((ifreqP->ifr_addr).sa_len, sizeof(ifreqP->ifr_addr)))) { ifreqP = (struct ifreq *)cp; short prefix = 0; ! // ignore non IPv6 addresses if (ifreqP->ifr_addr.sa_family != AF_INET6) { continue; } // determine netmask
*** 1543,1553 **** * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, int sock, const char *ifname, const struct in_addr *addr, unsigned char *buf) { int size; struct kinfo_ndd *nddp; void *end; --- 1551,1561 ---- * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, const char *ifname, const struct in_addr *addr, unsigned char *buf) { int size; struct kinfo_ndd *nddp; void *end;
*** 1602,1625 **** return if2.ifr_mtu; } static int getFlags(int sock, const char *ifname, int *flags) { ! struct ifreq if2; ! memset((char *)&if2, 0, sizeof(if2)); ! strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1); ! ! if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) { ! return -1; ! } ! ! if (sizeof(if2.ifr_flags) == sizeof(short)) { ! *flags = (if2.ifr_flags & 0xffff); ! } else { ! *flags = if2.ifr_flags; ! } ! return 0; } #endif /* _AIX */ /** Solaris **/ --- 1610,1633 ---- return if2.ifr_mtu; } static int getFlags(int sock, const char *ifname, int *flags) { ! struct ifreq if2; ! memset((char *)&if2, 0, sizeof(if2)); ! strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1); ! ! if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) { ! return -1; ! } ! ! if (sizeof(if2.ifr_flags) == sizeof(short)) { ! *flags = (if2.ifr_flags & 0xffff); ! } else { ! *flags = if2.ifr_flags; ! } ! return 0; } #endif /* _AIX */ /** Solaris **/
*** 1684,1694 **** struct lifreq *ifreqP; struct lifnum numifs; char *buf = NULL; unsigned i; ! // call SIOCGLIFNUM to get the size of SIOCGIFCONF buffer numifs.lifn_family = AF_INET; numifs.lifn_flags = 0; if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFNUM) failed"); --- 1692,1702 ---- struct lifreq *ifreqP; struct lifnum numifs; char *buf = NULL; unsigned i; ! // call SIOCGLIFNUM to get the interface count numifs.lifn_family = AF_INET; numifs.lifn_flags = 0; if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFNUM) failed");
*** 1711,1721 **** // iterate through each interface ifreqP = ifc.lifc_req; for (i = 0; i < numifs.lifn_count; i++, ifreqP++) { struct sockaddr addr, *broadaddrP = NULL; ! // ignore non IPv4 interfaces if (ifreqP->lifr_addr.ss_family != AF_INET) { continue; } // save socket address --- 1719,1729 ---- // iterate through each interface ifreqP = ifc.lifc_req; for (i = 0; i < numifs.lifn_count; i++, ifreqP++) { struct sockaddr addr, *broadaddrP = NULL; ! // ignore non IPv4 addresses if (ifreqP->lifr_addr.ss_family != AF_INET) { continue; } // save socket address
*** 1760,1770 **** struct lifreq *ifreqP; struct lifnum numifs; char *buf = NULL; unsigned i; ! // call SIOCGLIFNUM to get the size of SIOCGLIFCONF buffer numifs.lifn_family = AF_INET6; numifs.lifn_flags = 0; if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFNUM) failed"); --- 1768,1778 ---- struct lifreq *ifreqP; struct lifnum numifs; char *buf = NULL; unsigned i; ! // call SIOCGLIFNUM to get the interface count numifs.lifn_family = AF_INET6; numifs.lifn_flags = 0; if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) { NET_ThrowByNameWithLastError (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFNUM) failed");
*** 1786,1796 **** // iterate through each interface ifreqP = ifc.lifc_req; for (i = 0; i < numifs.lifn_count; i++, ifreqP++) { ! // ignore non IPv6 interfaces if (ifreqP->lifr_addr.ss_family != AF_INET6) { continue; } // set scope ID to interface index --- 1794,1804 ---- // iterate through each interface ifreqP = ifc.lifc_req; for (i = 0; i < numifs.lifn_count; i++, ifreqP++) { ! // ignore non IPv6 addresses if (ifreqP->lifr_addr.ss_family != AF_INET6) { continue; } // set scope ID to interface index
*** 1805,1815 **** // if an exception occurred we return immediately if ((*env)->ExceptionOccurred(env)) { free(buf); return ifs; } ! } // free buffer free(buf); return ifs; } --- 1813,1823 ---- // if an exception occurred we return immediately if ((*env)->ExceptionOccurred(env)) { free(buf); return ifs; } ! } // free buffer free(buf); return ifs; }
*** 1850,1862 **** // Device is in /dev. e.g.: /dev/bge0 strcpy(style1dev, DEV_PREFIX); strcat(style1dev, ifname); if ((fd = open(style1dev, O_RDWR)) < 0) { ! // Can't open it. We probably are missing the privilege. ! // We'll have to try something else ! return 0; } dlpareq.dl_primitive = DL_PHYS_ADDR_REQ; dlpareq.dl_addr_type = DL_CURR_PHYS_ADDR; --- 1858,1870 ---- // Device is in /dev. e.g.: /dev/bge0 strcpy(style1dev, DEV_PREFIX); strcat(style1dev, ifname); if ((fd = open(style1dev, O_RDWR)) < 0) { ! // Can't open it. We probably are missing the privilege. ! // We'll have to try something else ! return 0; } dlpareq.dl_primitive = DL_PHYS_ADDR_REQ; dlpareq.dl_addr_type = DL_CURR_PHYS_ADDR;
*** 1894,1952 **** * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, int sock, const char *ifname, const struct in_addr *addr, unsigned char *buf) { struct lifreq if2; ! int len, i; // First, try the new (S11) SIOCGLIFHWADDR ioctl(). If that fails // try the old way. memset((char *)&if2, 0, sizeof(if2)); strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1); if (ioctl(sock, SIOCGLIFHWADDR, &if2) != -1) { struct sockaddr_dl *sp; sp = (struct sockaddr_dl *)&if2.lifr_addr; memcpy(buf, &sp->sdl_data[0], sp->sdl_alen); return sp->sdl_alen; } // 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 // in the ARP table, which requires an IPv4 address. ! if ((len = getMacFromDevice(env, ifname, buf)) == 0) { ! // DLPI failed - trying to do arp lookup ! struct arpreq arpreq; struct sockaddr_in *sin; struct sockaddr_in ipAddr; ! if (addr == NULL) { ! // No IPv4 address for that interface, so can't do an ARP lookup. ! return -1; ! } ! ! len = 6; //??? ! ! sin = (struct sockaddr_in *)&arpreq.arp_pa; ! memset((char *)&arpreq, 0, sizeof(struct arpreq)); ! ipAddr.sin_port = 0; ! ipAddr.sin_family = AF_INET; ! memcpy(&ipAddr.sin_addr, addr, sizeof(struct in_addr)); ! memcpy(&arpreq.arp_pa, &ipAddr, sizeof(struct sockaddr_in)); ! arpreq.arp_flags= ATF_PUBL; ! ! if (ioctl(sock, SIOCGARP, &arpreq) < 0) { ! return -1; ! } ! memcpy(buf, &arpreq.arp_ha.sa_data[0], len); } // all bytes to 0 means no hardware address for (i = 0; i < len; i++) { if (buf[i] != 0) return len; --- 1902,1960 ---- * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, const char *ifname, const struct in_addr *addr, unsigned char *buf) { struct lifreq if2; ! int len, i, sock; ! ! if ((sock = openSocketWithFallback(env, ifname)) < 0) { ! return -1; ! } // First, try the new (S11) SIOCGLIFHWADDR ioctl(). If that fails // try the old way. memset((char *)&if2, 0, sizeof(if2)); strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1); if (ioctl(sock, SIOCGLIFHWADDR, &if2) != -1) { struct sockaddr_dl *sp; sp = (struct sockaddr_dl *)&if2.lifr_addr; memcpy(buf, &sp->sdl_data[0], sp->sdl_alen); + close(sock); return sp->sdl_alen; } // 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 // in the ARP table, which requires an IPv4 address. ! if (((len = getMacFromDevice(env, ifname, buf)) == 0) && (addr != NULL)) { struct arpreq arpreq; struct sockaddr_in *sin; struct sockaddr_in ipAddr; ! len = 6; //??? ! ! sin = (struct sockaddr_in *)&arpreq.arp_pa; ! memset((char *)&arpreq, 0, sizeof(struct arpreq)); ! ipAddr.sin_port = 0; ! ipAddr.sin_family = AF_INET; ! memcpy(&ipAddr.sin_addr, addr, sizeof(struct in_addr)); ! memcpy(&arpreq.arp_pa, &ipAddr, sizeof(struct sockaddr_in)); ! arpreq.arp_flags= ATF_PUBL; ! if (ioctl(sock, SIOCGARP, &arpreq) < 0) { ! close(sock); ! return -1; ! } ! ! memcpy(buf, &arpreq.arp_ha.sa_data[0], len); } + close(sock); // all bytes to 0 means no hardware address for (i = 0; i < len; i++) { if (buf[i] != 0) return len;
*** 2030,2040 **** } for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) { struct sockaddr *broadaddrP = NULL; ! // ignore non IPv4 interfaces if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET) continue; // set ifa_broadaddr, if there is one if ((ifa->ifa_flags & IFF_POINTOPOINT) == 0 && --- 2038,2048 ---- } for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) { struct sockaddr *broadaddrP = NULL; ! // ignore non IPv4 addresses if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET) continue; // set ifa_broadaddr, if there is one if ((ifa->ifa_flags & IFF_POINTOPOINT) == 0 &&
*** 2074,2084 **** (env, JNU_JAVANETPKG "SocketException", "getifaddrs() failed"); return ifs; } for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) { ! // ignore non IPv6 interfaces if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET6) continue; // set scope ID to interface index ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id = --- 2082,2092 ---- (env, JNU_JAVANETPKG "SocketException", "getifaddrs() failed"); return ifs; } for (ifa = origifa; ifa != NULL; ifa = ifa->ifa_next) { ! // ignore non IPv6 addresses if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != AF_INET6) continue; // set scope ID to interface index ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id =
*** 2129,2154 **** * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, int sock, const char *ifname, const struct in_addr *addr, unsigned char *buf) { struct ifaddrs *ifa0, *ifa; struct sockaddr *saddr; int i; ! // Grab the interface list if (!getifaddrs(&ifa0)) { ! // Cycle through the interfaces for (i = 0, ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next, i++) { saddr = ifa->ifa_addr; ! // Link layer contains the MAC address if (saddr->sa_family == AF_LINK && !strcmp(ifname, ifa->ifa_name)) { struct sockaddr_dl *sadl = (struct sockaddr_dl *) saddr; ! // Check the address is the correct length if (sadl->sdl_alen == ETHER_ADDR_LEN) { memcpy(buf, (sadl->sdl_data + sadl->sdl_nlen), ETHER_ADDR_LEN); freeifaddrs(ifa0); return ETHER_ADDR_LEN; } --- 2137,2162 ---- * Gets the Hardware address (usually MAC address) for the named interface. * 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. */ static int getMacAddress ! (JNIEnv *env, const char *ifname, const struct in_addr *addr, unsigned char *buf) { struct ifaddrs *ifa0, *ifa; struct sockaddr *saddr; int i; ! // grab the interface list if (!getifaddrs(&ifa0)) { ! // cycle through the interfaces for (i = 0, ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next, i++) { saddr = ifa->ifa_addr; ! // link layer contains the MAC address if (saddr->sa_family == AF_LINK && !strcmp(ifname, ifa->ifa_name)) { struct sockaddr_dl *sadl = (struct sockaddr_dl *) saddr; ! // check the address has the correct length if (sadl->sdl_alen == ETHER_ADDR_LEN) { memcpy(buf, (sadl->sdl_data + sadl->sdl_nlen), ETHER_ADDR_LEN); freeifaddrs(ifa0); return ETHER_ADDR_LEN; }
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