gistfile1.txt

typedef void WebResponseInflater;
typedef void WebRequester; 

static void (*makeQRequest_orig)(WebRequester*, QUrl const&, QString const&, QMap<QString, QString> const&, QByteArray const&, WebResponseInflater*, int, int, QNetworkRequest::CacheLoadControl);

extern "C" __attribute__((visibility("default"))) void _intercept_network(WebRequester *_this, QUrl const& url, QString const& param, QMap<QString, QString> const& headers, QByteArray const& output, WebResponseInflater* inflater, int param1, int param2, QNetworkRequest::CacheLoadControl cl) {
    nh_log("... calling original implementation");
    makeQRequest_orig(_this, url, param, headers, output, inflater, param1, param2, cl);
}

static struct nh_info PocketInterceptor = (struct nh_info){
    .name           = "PocketInterceptor",
    .desc           = "Intercepts Pocket Calls and redirects tehm to Omnivore",
    .uninstall_flag = "/mnt/onboard/ns_uninstall",
};

static struct nh_hook PocketIntereceptorHook[] = {
    {.sym = "_ZN12WebRequester11makeRequestERK4QUrlRK7QStringRK4QMapIS3_S3_ERK10QByteArrayP19WebResponseInflateriiN15QNetworkRequest16CacheLoadControlE", .sym_new = "_intercept_network", .lib = "libnickel.so.1.0.0", .out = nh_symoutptr(makeQRequest_orig), .desc = "calls to metadata", .optional=true},
    {0},
};

NickelHook(
    .init  = nullptr,
    .info  = &PocketInterceptor,
    .hook  = PocketIntereceptorHook,
    .dlsym = nullptr
)