[PATCH 3/5] add getProtocol, setProtocol, getSupportedProtocols, and VPNProto to Java bindings

[Daniel Lenski]

Signed-off-by: Daniel Lenski <dlen...@gmail.com>
---
 .../infradead/libopenconnect/LibOpenConnect.java   | 16 +++++
 jni.c                                              | 68 ++++++++++++++++++++++
 2 files changed, 84 insertions(+)

diff --git a/java/src/org/infradead/libopenconnect/LibOpenConnect.java 
b/java/src/org/infradead/libopenconnect/LibOpenConnect.java
index ce4ffcc..c580f99 100644
--- a/java/src/org/infradead/libopenconnect/LibOpenConnect.java
+++ b/java/src/org/infradead/libopenconnect/LibOpenConnect.java
@@ -22,6 +22,12 @@ public abstract class LibOpenConnect {
 
        /* constants */
 
+       public static final int OC_PROTO_PROXY = 1;
+       public static final int OC_PROTO_CSD = 2;
+       public static final int OC_PROTO_AUTH_CERT = 4;
+       public static final int OC_PROTO_AUTH_OTP = 8;
+       public static final int OC_PROTO_AUTH_STOKEN = 16;
+
        public static final int OC_FORM_OPT_TEXT = 1;
        public static final int OC_FORM_OPT_PASSWORD = 2;
        public static final int OC_FORM_OPT_SELECT = 3;
@@ -135,6 +141,7 @@ public abstract class LibOpenConnect {
        public synchronized native void setReqMTU(int mtu);
        public synchronized native void setPFS(boolean isEnabled);
        public synchronized native void setSystemTrust(boolean isEnabled);
+       public synchronized native int setProtocol(String protocol);
 
        /* connection info */
 
@@ -149,6 +156,7 @@ public abstract class LibOpenConnect {
        public synchronized native String getDTLSCipher();
        public synchronized native String getCSTPCompression();
        public synchronized native String getDTLSCompression();
+       public synchronized native String getProtocol();
 
        /* certificate info */
 
@@ -166,6 +174,7 @@ public abstract class LibOpenConnect {
        public static native boolean hasStokenSupport();
        public static native boolean hasOATHSupport();
        public static native boolean hasYubiOATHSupport();
+       public static native VPNProto[] getSupportedProtocols();
 
        /* public data structures */
 
@@ -265,6 +274,13 @@ public abstract class LibOpenConnect {
                public Object userData;
        };
 
+       public static class VPNProto {
+               public String name;
+               public String prettyName;
+               public String description;
+               public int flags;
+       };
+
        /* Optional storage for caller's data */
 
        public Object userData;
diff --git a/jni.c b/jni.c
index d72ac2e..4586136 100644
--- a/jni.c
+++ b/jni.c
@@ -1197,6 +1197,14 @@ JNIEXPORT jstring JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_getCS
        RETURN_STRING_END
 }
 
+JNIEXPORT jstring JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_getProtocol(
+       JNIEnv *jenv, jobject jobj)
+{
+       RETURN_STRING_START
+       buf = openconnect_get_protocol(ctx->vpninfo);
+       RETURN_STRING_END
+}
+
 #define SET_STRING_START(ret) \
        struct libctx *ctx = getctx(jenv, jobj); \
        const char *arg = NULL;                  \
@@ -1247,6 +1255,16 @@ JNIEXPORT jint JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_setHTTPP
        return ret;
 }
 
+JNIEXPORT jint JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_setProtocol(
+       JNIEnv *jenv, jobject jobj, jstring jarg)
+{
+       int ret;
+       SET_STRING_START(-ENOMEM)
+       ret = openconnect_set_protocol(ctx->vpninfo, arg);
+       SET_STRING_END();
+       return ret;
+}
+
 JNIEXPORT void JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_setXMLSHA1(
        JNIEnv *jenv, jobject jobj, jstring jarg)
 {
@@ -1381,3 +1399,53 @@ JNIEXPORT jobject JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_getIP
 
        return jobj;
 }
+
+JNIEXPORT jobjectArray JNICALL 
Java_org_infradead_libopenconnect_LibOpenConnect_getSupportedProtocols(
+       JNIEnv *jenv, jclass jcls)
+{
+       jmethodID mid;
+       jobjectArray result;
+       struct libctx ctx = { .jenv = jenv, .jobj = NULL, .async_lock = NULL, 
vpninfo = -1, loglevel = -1 };
+
+       /* call C library */
+       struct oc_vpn_proto *protos;
+       int np, ii;
+       np = openconnect_get_supported_protocols(&protos);
+       if (np < 0)
+               return NULL;
+
+       /* get VPNProto class, its init method, and create array  */
+       jcls = (*jenv)->FindClass(jenv,
+                                      
"org/infradead/libopenconnect/LibOpenConnect$VPNProto");
+       if (jcls == NULL)
+               goto err;
+       mid = (*jenv)->GetMethodID(jenv, jcls, "<init>", "()V");
+       if (!mid)
+               goto err;
+       result = (*jenv)->NewObjectArray(jenv, np, jcls, NULL);
+       if (result == NULL)
+               goto nomem;
+
+       for (ii=0; ii<np; ii++) {
+               jobject jobj = (*jenv)->NewObject(jenv, jcls, mid);
+               if (!jobj)
+                       goto nomem;
+
+               if (set_string(&ctx, jobj, "name",        protos[ii].name) ||
+                   set_string(&ctx, jobj, "prettyName",  
protos[ii].pretty_name) ||
+                   set_string(&ctx, jobj, "description", 
protos[ii].description) ||
+                   set_int   (&ctx, jobj, "flags",       protos[ii].flags))
+                       goto nomem;
+
+               (*jenv)->SetObjectArrayElement(jenv, result, ii, jobj);
+       }
+
+       openconnect_free_supported_protocols(protos);
+       return result;
+
+nomem:
+       OOM(jenv);
+err:
+       openconnect_free_supported_protocols(protos);
+       return NULL;
+}
-- 
2.7.4


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