63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Copyright © 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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#include <jni.h>
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#include <stdlib.h>
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#include <string.h>
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struct go_string { const char *str; long n; };
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extern int wgTurnOn(struct go_string ifname, int tun_fd, struct go_string settings);
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extern void wgTurnOff(int handle);
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extern int wgGetSocketV4(int handle);
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extern int wgGetSocketV6(int handle);
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extern struct go_string wgVersion();
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JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNIEnv *env, jclass c, jstring ifname, jint tun_fd, jstring settings)
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{
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const char *ifname_str = (*env)->GetStringUTFChars(env, ifname, 0);
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size_t ifname_len = (*env)->GetStringUTFLength(env, ifname);
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const char *settings_str = (*env)->GetStringUTFChars(env, settings, 0);
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size_t settings_len = (*env)->GetStringUTFLength(env, settings);
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int ret = wgTurnOn((struct go_string){
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.str = ifname_str,
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.n = ifname_len
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}, tun_fd, (struct go_string){
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.str = settings_str,
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.n = settings_len
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});
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(*env)->ReleaseStringUTFChars(env, ifname, ifname_str);
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(*env)->ReleaseStringUTFChars(env, settings, settings_str);
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return ret;
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}
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JNIEXPORT void JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOff(JNIEnv *env, jclass c, jint handle)
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{
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wgTurnOff(handle);
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}
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JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgGetSocketV4(JNIEnv *env, jclass c, jint handle)
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{
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return wgGetSocketV4(handle);
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}
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JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgGetSocketV6(JNIEnv *env, jclass c, jint handle)
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{
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return wgGetSocketV6(handle);
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}
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JNIEXPORT jstring JNICALL Java_com_wireguard_android_backend_GoBackend_wgVersion(JNIEnv *env, jclass c)
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{
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jstring ret;
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struct go_string s = wgVersion();
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char *cstr = malloc(s.n + 1);
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if (!cstr)
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return NULL;
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memcpy(cstr, s.str, s.n);
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cstr[s.n] = '\0';
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ret = (*env)->NewStringUTF(env, cstr);
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free(cstr);
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return ret;
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}
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