/*
 * Copyright (C) 2026 The RevDex
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
#include <jni.h>
#include <dlfcn.h>
#include <stdarg.h>
#include <string.h>

#include "dobby.h"
#include "log.h"

#define OldUrl "https://oldurl.com"
#define NewUrl "https://newurl.com"
#define lop 10002

using C = void;

static int (*O)(C *c, int o, ...);

int H(C *c, int o, ...)
{
    va_list a;

    va_start(a, o);
    void *v = va_arg(a, void *);
    va_end(a);

    if (o == lop && v)
    {
        const char *u = (const char *)v;

        LOGI("URL >>> %s", u);

        if (strstr(u, OldUrl))
        {
            LOGI("NEW >>> %s", NewUrl);
            v = (void *)NewUrl;
        }
    }

    return O(c, o, v);
}

JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved)
{
    void *sexy = dlopen("libcurl.so", RTLD_NOW);

    if (sexy == NULL) return JNI_VERSION_1_6;

    void *ins = dlsym(sexy, "curl_easy_setopt");

    if (ins == NULL) return JNI_VERSION_1_6;

    DobbyHook(ins, (void *)H, (void **)&O);

    LOGI("URL hooker >>> %p", ins);

    return JNI_VERSION_1_6;
}

winget install Microsoft.Coreutils