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Diffstat (limited to 'pki/base/osutil/src/com/netscape/osutil/OSUtil.c')
-rw-r--r--pki/base/osutil/src/com/netscape/osutil/OSUtil.c290
1 files changed, 290 insertions, 0 deletions
diff --git a/pki/base/osutil/src/com/netscape/osutil/OSUtil.c b/pki/base/osutil/src/com/netscape/osutil/OSUtil.c
new file mode 100644
index 000000000..6fed949cc
--- /dev/null
+++ b/pki/base/osutil/src/com/netscape/osutil/OSUtil.c
@@ -0,0 +1,290 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+#include <jni.h>
+#include <assert.h>
+#include <string.h>
+#include "com_netscape_osutil_OSUtil.h"
+
+#ifdef XP_PC
+#include <process.h>
+#else
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#endif
+
+#include "base64.h"
+
+JNIEXPORT jbyteArray JNICALL
+Java_com_netscape_osutil_OSUtil_AtoB
+ (JNIEnv* env, jclass this, jstring data)
+{
+ jbyteArray handleBA=NULL;
+ jbyte *handleBytes=NULL;
+ const char *dataChars;
+ unsigned char *result=NULL;
+ unsigned int olenp;
+
+ dataChars = (*env)->GetStringUTFChars(env, data, NULL);
+ if( dataChars == NULL ) {
+ goto finish;
+ }
+
+ result = ATOB_AsciiToData(dataChars, &olenp);
+ if (result == NULL) {
+ goto finish;
+ }
+
+ handleBA = (*env)->NewByteArray(env, olenp);
+ if(handleBA == NULL ) {
+ goto finish;
+ }
+ handleBytes = (*env)->GetByteArrayElements(env, handleBA, NULL);
+ if(handleBytes==NULL) {
+ goto finish;
+ }
+ memcpy(handleBytes, result, olenp);
+
+finish:
+ if (dataChars) {
+ (*env)->ReleaseStringUTFChars(env, data, dataChars);
+ }
+ if (result) {
+ free(result);
+ }
+ if(handleBytes) {
+ assert(handleBA);
+ (*env)->ReleaseByteArrayElements(env, handleBA, handleBytes, 0);
+ }
+ return handleBA;
+}
+
+JNIEXPORT jstring JNICALL
+Java_com_netscape_osutil_OSUtil_BtoA
+ (JNIEnv* env, jclass this, jbyteArray data)
+{
+ char *result=NULL;
+ jint len;
+ jbyte *bytes=NULL;
+ jstring retval = NULL;
+
+ len = (*env)->GetArrayLength(env, data);
+ bytes = (*env)->GetByteArrayElements(env, data, NULL);
+ if( bytes == NULL ) {
+ goto finish;
+ }
+
+ result = BTOA_DataToAscii(bytes, len);
+ if (result == NULL) {
+ goto finish;
+ }
+
+ retval = (*env)->NewStringUTF(env, result);
+
+finish:
+ if (result) {
+ free(result);
+ }
+ if(bytes) {
+ (*env)->ReleaseByteArrayElements(env, data, bytes, JNI_ABORT);
+ }
+ return retval;
+}
+
+JNIEXPORT jint JNICALL
+Java_com_netscape_osutil_OSUtil_getNTpid
+ (JNIEnv *env, jobject this)
+{
+#ifdef XP_PC
+ return _getpid();
+#else
+ assert( 0 );
+ return 0;
+#endif
+}
+
+JNIEXPORT jstring JNICALL
+Java_com_netscape_osutil_OSUtil_getenv
+ (JNIEnv* env, jclass this, jstring envName)
+{
+ const char* envNameChars=NULL;
+ char *envValueChars;
+ jstring retval = NULL;
+
+ /* convert Java String environment name to char* */
+ envNameChars = (*env)->GetStringUTFChars(env, envName, NULL);
+ if( envNameChars == NULL ) {
+ goto finish;
+ }
+
+ /* look up the environment variable. The returned pointer points into
+ * the environment table, so must not be freed by the caller. */
+ envValueChars = (char *) getenv(envNameChars);
+ if( envValueChars == NULL ) {
+ goto finish;
+ }
+
+ /* convert char* to Java string */
+ retval = (*env)->NewStringUTF(env, envValueChars);
+
+finish:
+ if( envNameChars ) {
+ (*env)->ReleaseStringUTFChars(env, envName, envNameChars);
+ }
+ return retval;
+}
+
+JNIEXPORT jint JNICALL
+Java_com_netscape_osutil_OSUtil_getFileReadLock
+(JNIEnv *env, jclass this, jstring filename)
+{
+#ifdef XP_PC
+ return(0); /* Do nothing on NT for now */
+#else
+ const char* filenameChars=NULL;
+ int value = 0;
+
+ struct flock lock;
+ int fd;
+
+ filenameChars = (*env)->GetStringUTFChars(env, filename, NULL);
+ if (filenameChars == NULL) {
+ value = -1;
+ goto finish;
+ }
+
+ fd = open(filenameChars, O_RDONLY);
+ lock.l_type = F_RDLCK;
+ lock.l_start = 0;
+ lock.l_whence = SEEK_SET;
+ lock.l_len = 50;
+ if (fcntl(fd, F_SETLK, &lock) < 0)
+ {
+ value = -1;
+ goto finish;
+ /* printf("Cannot set read lock.\n");
+ printf("File is write locked by %ld\n", lock.l_pid);
+ */
+ }
+ fcntl(fd, F_GETLK, &lock);
+ switch (lock.l_type)
+ {
+ case F_RDLCK:
+ value = 1;
+ break;
+ case F_WRLCK:
+ value = -1;
+ break;
+ case F_UNLCK:
+ value = 0;
+ break;
+ }
+ finish:
+ if( filenameChars ) {
+ (*env)->ReleaseStringUTFChars(env, filename, filenameChars);
+ }
+ return value;
+#endif
+}
+
+JNIEXPORT jint JNICALL
+Java_com_netscape_osutil_OSUtil_getFileWriteLock
+(JNIEnv *env, jclass this, jstring filename)
+{
+ const char* filenameChars=NULL;
+ int value = 0;
+#ifdef XP_PC
+#else
+ struct flock lock;
+ int fd;
+#endif
+
+ filenameChars = (*env)->GetStringUTFChars(env, filename, NULL);
+ if (filenameChars == NULL) {
+ value = -1;
+ goto finish;
+ }
+#ifdef XP_PC
+#else
+
+ fd = open(filenameChars, O_RDWR);
+ lock.l_type = F_WRLCK;
+ lock.l_start = 0;
+ lock.l_whence = SEEK_SET;
+ lock.l_len = 50;
+ if (fcntl(fd, F_SETLK, &lock) < 0) {
+ value = -1;
+ goto finish;
+ /* printf("Cannot set write lock\n");
+ */
+ }
+ fcntl(fd, F_GETLK, &lock);
+ switch (lock.l_type)
+ {
+ case F_RDLCK:
+ value = 1;
+ break;
+ case F_WRLCK:
+ value = 2;
+ break;
+ case F_UNLCK:
+ value = 0;
+ break;
+ }
+#endif
+ finish:
+ if( filenameChars ) {
+ (*env)->ReleaseStringUTFChars(env, filename, filenameChars);
+ }
+ return value;
+}
+
+
+JNIEXPORT jint JNICALL
+Java_com_netscape_osutil_OSUtil_putenv
+(JNIEnv* env, jclass this, jstring envName)
+{
+ const char* envNameChars=NULL;
+ int value =0;
+
+ envNameChars = (*env)->GetStringUTFChars(env, envName, NULL);
+ if (envNameChars == NULL) {
+ value = -1;
+ goto finish;
+ }
+
+#ifdef XP_PC
+ value = _putenv(envNameChars);
+#else
+ /* Ross 1/26 Are we trashing memory here? Look at putenv implementation details */
+ value = putenv (strdup(envNameChars));
+#endif
+
+finish:
+ if( envNameChars ) {
+ (*env)->ReleaseStringUTFChars(env, envName, envNameChars);
+ }
+ return value;
+}
+
+JNIEXPORT void JNICALL
+Java_com_netscape_osutil_OSUtil_nativeExit
+(JNIEnv *env, jobject this, jint status)
+{
+ exit(status);
+}
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