diff -r 378aa3362868 -r 320a714614e9 jdk/src/solaris/native/java/net/Inet4AddressImpl.c --- a/jdk/src/solaris/native/java/net/Inet4AddressImpl.c Tue Mar 06 10:25:45 2012 +0800 +++ b/jdk/src/solaris/native/java/net/Inet4AddressImpl.c Tue Mar 06 20:34:38 2012 +0000 @@ -36,12 +36,288 @@ #include #include +#ifdef _ALLBSD_SOURCE +#include +#include +#endif + #include "jvm.h" #include "jni_util.h" #include "net_util.h" #include "java_net_Inet4AddressImpl.h" +#if defined(__GLIBC__) || (defined(__FreeBSD__) && (__FreeBSD_version >= 601104)) +#define HAS_GLIBC_GETHOSTBY_R 1 +#endif + +#if defined(_ALLBSD_SOURCE) && !defined(HAS_GLIBC_GETHOSTBY_R) +/* Use getaddrinfo(3), which is thread safe */ +/************************************************************************ + * Inet4AddressImpl + */ + +/* + * Class: java_net_Inet4AddressImpl + * Method: getLocalHostName + * Signature: ()Ljava/lang/String; + */ +JNIEXPORT jstring JNICALL +Java_java_net_Inet4AddressImpl_getLocalHostName(JNIEnv *env, jobject this) { + char hostname[NI_MAXHOST+1]; + + hostname[0] = '\0'; + if (JVM_GetHostName(hostname, NI_MAXHOST)) { + /* Something went wrong, maybe networking is not setup? */ + strcpy(hostname, "localhost"); + } else { + struct addrinfo hints, *res; + int error; + + memset(&hints, 0, sizeof(hints)); + hints.ai_flags = AI_CANONNAME; + hints.ai_family = AF_UNSPEC; + + error = getaddrinfo(hostname, NULL, &hints, &res); + + if (error == 0) { + /* host is known to name service */ + error = getnameinfo(res->ai_addr, + res->ai_addrlen, + hostname, + NI_MAXHOST, + NULL, + 0, + NI_NAMEREQD); + + /* if getnameinfo fails hostname is still the value + from gethostname */ + + freeaddrinfo(res); + } + } + return (*env)->NewStringUTF(env, hostname); +} + +static jclass ni_iacls; +static jclass ni_ia4cls; +static jmethodID ni_ia4ctrID; +static jfieldID ni_iaaddressID; +static jfieldID ni_iahostID; +static jfieldID ni_iafamilyID; +static int initialized = 0; + +/* + * Find an internet address for a given hostname. Note that this + * code only works for addresses of type INET. The translation + * of %d.%d.%d.%d to an address (int) occurs in java now, so the + * String "host" shouldn't *ever* be a %d.%d.%d.%d string + * + * Class: java_net_Inet4AddressImpl + * Method: lookupAllHostAddr + * Signature: (Ljava/lang/String;)[[B + */ + +JNIEXPORT jobjectArray JNICALL +Java_java_net_Inet4AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this, + jstring host) { + const char *hostname; + jobject name; + jobjectArray ret = 0; + int retLen = 0; + + int error=0; + struct addrinfo hints, *res, *resNew = NULL; + + if (!initialized) { + ni_iacls = (*env)->FindClass(env, "java/net/InetAddress"); + ni_iacls = (*env)->NewGlobalRef(env, ni_iacls); + ni_ia4cls = (*env)->FindClass(env, "java/net/Inet4Address"); + ni_ia4cls = (*env)->NewGlobalRef(env, ni_ia4cls); + ni_ia4ctrID = (*env)->GetMethodID(env, ni_ia4cls, "", "()V"); + ni_iaaddressID = (*env)->GetFieldID(env, ni_iacls, "address", "I"); + ni_iafamilyID = (*env)->GetFieldID(env, ni_iacls, "family", "I"); + ni_iahostID = (*env)->GetFieldID(env, ni_iacls, "hostName", "Ljava/lang/String;"); + initialized = 1; + } + + if (IS_NULL(host)) { + JNU_ThrowNullPointerException(env, "host is null"); + return 0; + } + hostname = JNU_GetStringPlatformChars(env, host, JNI_FALSE); + CHECK_NULL_RETURN(hostname, NULL); + + memset(&hints, 0, sizeof(hints)); + hints.ai_flags = AI_CANONNAME; + hints.ai_family = AF_INET; + + /* + * Workaround for Solaris bug 4160367 - if a hostname contains a + * white space then 0.0.0.0 is returned + */ + if (isspace((unsigned char)hostname[0])) { + JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", + (char *)hostname); + JNU_ReleaseStringPlatformChars(env, host, hostname); + return NULL; + } + + error = getaddrinfo(hostname, NULL, &hints, &res); + + if (error) { + /* report error */ + JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", + (char *)hostname); + JNU_ReleaseStringPlatformChars(env, host, hostname); + return NULL; + } else { + int i = 0; + struct addrinfo *itr, *last = NULL, *iterator = res; + while (iterator != NULL) { + int skip = 0; + itr = resNew; + + while (itr != NULL) { + struct sockaddr_in *addr1, *addr2; + + addr1 = (struct sockaddr_in *)iterator->ai_addr; + addr2 = (struct sockaddr_in *)itr->ai_addr; + if (addr1->sin_addr.s_addr == + addr2->sin_addr.s_addr) { + skip = 1; + break; + } + + itr = itr->ai_next; + } + + if (!skip) { + struct addrinfo *next + = (struct addrinfo*) malloc(sizeof(struct addrinfo)); + if (!next) { + JNU_ThrowOutOfMemoryError(env, "heap allocation failed"); + ret = NULL; + goto cleanupAndReturn; + } + memcpy(next, iterator, sizeof(struct addrinfo)); + next->ai_next = NULL; + if (resNew == NULL) { + resNew = next; + } else { + last->ai_next = next; + } + last = next; + i++; + } + iterator = iterator->ai_next; + } + + retLen = i; + iterator = resNew; + i = 0; + + name = (*env)->NewStringUTF(env, hostname); + if (IS_NULL(name)) { + goto cleanupAndReturn; + } + + ret = (*env)->NewObjectArray(env, retLen, ni_iacls, NULL); + if (IS_NULL(ret)) { + /* we may have memory to free at the end of this */ + goto cleanupAndReturn; + } + + while (iterator != NULL) { + /* We need 4 bytes to store ipv4 address; */ + int len = 4; + + jobject iaObj = (*env)->NewObject(env, ni_ia4cls, ni_ia4ctrID); + if (IS_NULL(iaObj)) { + /* we may have memory to free at the end of this */ + ret = NULL; + goto cleanupAndReturn; + } + (*env)->SetIntField(env, iaObj, ni_iaaddressID, + ntohl(((struct sockaddr_in*)(iterator->ai_addr))->sin_addr.s_addr)); + (*env)->SetObjectField(env, iaObj, ni_iahostID, name); + (*env)->SetObjectArrayElement(env, ret, retLen - i -1, iaObj); + i++; + iterator = iterator->ai_next; + } + } + +cleanupAndReturn: + { + struct addrinfo *iterator, *tmp; + iterator = resNew; + while (iterator != NULL) { + tmp = iterator; + iterator = iterator->ai_next; + free(tmp); + } + JNU_ReleaseStringPlatformChars(env, host, hostname); + } + + freeaddrinfo(res); + + return ret; + +} + +/* + * Class: java_net_Inet4AddressImpl + * Method: getHostByAddr + * Signature: (I)Ljava/lang/String; + */ +JNIEXPORT jstring JNICALL +Java_java_net_Inet4AddressImpl_getHostByAddr(JNIEnv *env, jobject this, + jbyteArray addrArray) { + jstring ret = NULL; + + char host[NI_MAXHOST+1]; + jfieldID fid; + int error = 0; + jint family; + struct sockaddr *him ; + int len = 0; + jbyte caddr[4]; + jint addr; + + struct sockaddr_in him4; + struct sockaddr *sa; + + /* + * For IPv4 addresses construct a sockaddr_in structure. + */ + (*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); + memset((char *) &him4, 0, sizeof(him4)); + him4.sin_addr.s_addr = (uint32_t) htonl(addr); + him4.sin_family = AF_INET; + sa = (struct sockaddr *) &him4; + len = sizeof(him4); + + error = getnameinfo(sa, len, host, NI_MAXHOST, NULL, 0, + NI_NAMEREQD); + + if (!error) { + ret = (*env)->NewStringUTF(env, host); + } + + if (ret == NULL) { + JNU_ThrowByName(env, JNU_JAVANETPKG "UnknownHostException", NULL); + } + + return ret; + +} + +#else /* defined(_ALLBSD_SOURCE) && !defined(HAS_GLIBC_GETHOSTBY_R) */ + /* the initial size of our hostent buffers */ #ifndef NI_MAXHOST #define NI_MAXHOST 1025 @@ -292,6 +568,8 @@ return ret; } +#endif /* _ALLBSD_SOURCE */ + #define SET_NONBLOCKING(fd) { \ int flags = fcntl(fd, F_GETFL); \ flags |= O_NONBLOCK; \ @@ -430,6 +708,7 @@ memset((char *) caddr, 0, sizeof(caddr)); memset((char *) &him, 0, sizeof(him)); + memset((char *) &inf, 0, sizeof(inf)); sz = (*env)->GetArrayLength(env, addrArray); if (sz != 4) { return JNI_FALSE;