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; }
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; }