Ejemplos de local_mapped_file_attr en C++ (Cpp)

Ejemplo n.º 1

Archivo: virtio-9p-local.c Proyecto: pbhide/qemu-rocker

static int local_lstat(FsContext *fs_ctx, V9fsPath *fs_path, struct stat *stbuf)
{
    int err;
    char *buffer;
    char *path = fs_path->data;

    buffer = rpath(fs_ctx, path);
    err =  lstat(buffer, stbuf);
    if (err) {
        goto err_out;
    }
    if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
        /* Actual credentials are part of extended attrs */
        uid_t tmp_uid;
        gid_t tmp_gid;
        mode_t tmp_mode;
        dev_t tmp_dev;
        if (getxattr(buffer, "user.virtfs.uid", &tmp_uid, sizeof(uid_t)) > 0) {
            stbuf->st_uid = le32_to_cpu(tmp_uid);
        }
        if (getxattr(buffer, "user.virtfs.gid", &tmp_gid, sizeof(gid_t)) > 0) {
            stbuf->st_gid = le32_to_cpu(tmp_gid);
        }
        if (getxattr(buffer, "user.virtfs.mode",
                    &tmp_mode, sizeof(mode_t)) > 0) {
            stbuf->st_mode = le32_to_cpu(tmp_mode);
        }
        if (getxattr(buffer, "user.virtfs.rdev", &tmp_dev, sizeof(dev_t)) > 0) {
            stbuf->st_rdev = le64_to_cpu(tmp_dev);
        }
    } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
        local_mapped_file_attr(fs_ctx, path, stbuf);
    }

err_out:
    g_free(buffer);
    return err;
}

Ejemplo n.º 2

Archivo: virtio-9p-local.c Proyecto: 01org/KVMGT-qemu

static int local_lstat(FsContext *fs_ctx, V9fsPath *fs_path, struct stat *stbuf)
{
    int err;
    char buffer[PATH_MAX];
    char *path = fs_path->data;

    err =  lstat(rpath(fs_ctx, path, buffer), stbuf);
    if (err) {
        return err;
    }
    if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
        /* Actual credentials are part of extended attrs */
        uid_t tmp_uid;
        gid_t tmp_gid;
        mode_t tmp_mode;
        dev_t tmp_dev;
        if (getxattr(rpath(fs_ctx, path, buffer), "user.virtfs.uid", &tmp_uid,
                    sizeof(uid_t)) > 0) {
            stbuf->st_uid = tmp_uid;
        }
        if (getxattr(rpath(fs_ctx, path, buffer), "user.virtfs.gid", &tmp_gid,
                    sizeof(gid_t)) > 0) {
            stbuf->st_gid = tmp_gid;
        }
        if (getxattr(rpath(fs_ctx, path, buffer), "user.virtfs.mode",
                    &tmp_mode, sizeof(mode_t)) > 0) {
            stbuf->st_mode = tmp_mode;
        }
        if (getxattr(rpath(fs_ctx, path, buffer), "user.virtfs.rdev", &tmp_dev,
                        sizeof(dev_t)) > 0) {
                stbuf->st_rdev = tmp_dev;
        }
    } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
        local_mapped_file_attr(fs_ctx, path, stbuf);
    }
    return err;
}