static int local_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, int flags, FsCred *credp, V9fsFidOpenState *fs) { char *path; int fd = -1; int err = -1; int serrno = 0; V9fsString fullname; char *buffer; /* * Mark all the open to not follow symlinks */ flags |= O_NOFOLLOW; v9fs_string_init(&fullname); v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name); path = fullname.data; /* Determine the security model */ if (fs_ctx->export_flags & V9FS_SM_MAPPED) { buffer = rpath(fs_ctx, path); fd = open(buffer, flags, SM_LOCAL_MODE_BITS); if (fd == -1) { g_free(buffer); err = fd; goto out; } credp->fc_mode = credp->fc_mode|S_IFREG; /* Set cleint credentials in xattr */ err = local_set_xattr(buffer, credp); if (err == -1) { serrno = errno; goto err_end; } } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) { buffer = rpath(fs_ctx, path); fd = open(buffer, flags, SM_LOCAL_MODE_BITS); if (fd == -1) { g_free(buffer); err = fd; goto out; } credp->fc_mode = credp->fc_mode|S_IFREG; /* Set client credentials in .virtfs_metadata directory files */ err = local_set_mapped_file_attr(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) || (fs_ctx->export_flags & V9FS_SM_NONE)) { buffer = rpath(fs_ctx, path); fd = open(buffer, flags, credp->fc_mode); if (fd == -1) { g_free(buffer); err = fd; goto out; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } err = fd; fs->fd = fd; goto out; err_end: close(fd); remove(buffer); errno = serrno; g_free(buffer); out: v9fs_string_free(&fullname); return err; }