517 static bool get_caller_has_rw_locked(struct fuse* fuse, const struct fuse_in_header *hdr) {  in get_caller_has_rw_locked()  argument
523     appid_t appid = multiuser_get_app_id(hdr->uid);  in get_caller_has_rw_locked()
531         const struct fuse_in_header *hdr, const struct node* parent_node,  in check_caller_access_to_name()  argument
549     if (hdr->uid == 0) {  in check_caller_access_to_name()
556         if (parent_node && hdr->uid == parent_node->uid) {  in check_caller_access_to_name()
568         const struct fuse_in_header *hdr, const struct node* node, int mode, bool has_rw) {  in check_caller_access_to_node()  argument
569     return check_caller_access_to_name(fuse, hdr, node->parent, node->name, mode, has_rw);  in check_caller_access_to_node()
748     struct fuse_out_header hdr;  in fuse_status()  local
749     hdr.len = sizeof(hdr);  in fuse_status()
750     hdr.error = err;  in fuse_status()
751     hdr.unique = unique;  in fuse_status()
752     write(fuse->fd, &hdr, sizeof(hdr));  in fuse_status()
757     struct fuse_out_header hdr;  in fuse_reply()  local
761     hdr.len = len + sizeof(hdr);  in fuse_reply()
762     hdr.error = 0;  in fuse_reply()
763     hdr.unique = unique;  in fuse_reply()
765     vec[0].iov_base = &hdr;  in fuse_reply()
766     vec[0].iov_len = sizeof(hdr);  in fuse_reply()
822         const struct fuse_in_header *hdr, const char* name)  in handle_lookup()  argument
830     parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,  in handle_lookup()
832     TRACE("[%d] LOOKUP %s @ %"PRIx64" (%s)\n", handler->token, name, hdr->nodeid,  in handle_lookup()
840     if (!check_caller_access_to_name(fuse, hdr, parent_node, name, R_OK, false)) {  in handle_lookup()
844     return fuse_reply_entry(fuse, hdr->unique, parent_node, name, actual_name, child_path);  in handle_lookup()
848         const struct fuse_in_header *hdr, const struct fuse_forget_in *req)  in handle_forget()  argument
853     node = lookup_node_by_id_locked(fuse, hdr->nodeid);  in handle_forget()
855             hdr->nodeid, node ? node->name : "?");  in handle_forget()
867         const struct fuse_in_header *hdr, const struct fuse_getattr_in *req)  in handle_getattr()  argument
873     node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));  in handle_getattr()
875             req->getattr_flags, req->fh, hdr->nodeid, node ? node->name : "?");  in handle_getattr()
881     if (!check_caller_access_to_node(fuse, hdr, node, R_OK, false)) {  in handle_getattr()
885     return fuse_reply_attr(fuse, hdr->unique, node, path);  in handle_getattr()
889         const struct fuse_in_header *hdr, const struct fuse_setattr_in *req)  in handle_setattr()  argument
897     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_setattr()
898     node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));  in handle_setattr()
900             req->fh, req->valid, hdr->nodeid, node ? node->name : "?");  in handle_setattr()
906     if (!check_caller_access_to_node(fuse, hdr, node, W_OK, has_rw)) {  in handle_setattr()
948     return fuse_reply_attr(fuse, hdr->unique, node, path);  in handle_setattr()
952         const struct fuse_in_header* hdr, const struct fuse_mknod_in* req, const char* name)  in handle_mknod()  argument
961     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_mknod()
962     parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,  in handle_mknod()
965             name, req->mode, hdr->nodeid, parent_node ? parent_node->name : "?");  in handle_mknod()
972     if (!check_caller_access_to_name(fuse, hdr, parent_node, name, W_OK, has_rw)) {  in handle_mknod()
979     return fuse_reply_entry(fuse, hdr->unique, parent_node, name, actual_name, child_path);  in handle_mknod()
983         const struct fuse_in_header* hdr, const struct fuse_mkdir_in* req, const char* name)  in handle_mkdir()  argument
992     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_mkdir()
993     parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,  in handle_mkdir()
996             name, req->mode, hdr->nodeid, parent_node ? parent_node->name : "?");  in handle_mkdir()
1003     if (!check_caller_access_to_name(fuse, hdr, parent_node, name, W_OK, has_rw)) {  in handle_mkdir()
1029     return fuse_reply_entry(fuse, hdr->unique, parent_node, name, actual_name, child_path);  in handle_mkdir()
1033         const struct fuse_in_header* hdr, const char* name)  in handle_unlink()  argument
1041     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_unlink()
1042     parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,  in handle_unlink()
1045             name, hdr->nodeid, parent_node ? parent_node->name : "?");  in handle_unlink()
1052     if (!check_caller_access_to_name(fuse, hdr, parent_node, name, W_OK, has_rw)) {  in handle_unlink()
1062         const struct fuse_in_header* hdr, const char* name)  in handle_rmdir()  argument
1070     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_rmdir()
1071     parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,  in handle_rmdir()
1074             name, hdr->nodeid, parent_node ? parent_node->name : "?");  in handle_rmdir()
1081     if (!check_caller_access_to_name(fuse, hdr, parent_node, name, W_OK, has_rw)) {  in handle_rmdir()
1091         const struct fuse_in_header* hdr, const struct fuse_rename_in* req,  in handle_rename()  argument
1106     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_rename()
1107     old_parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,  in handle_rename()
1113             hdr->nodeid, old_parent_node ? old_parent_node->name : "?",  in handle_rename()
1119     if (!check_caller_access_to_name(fuse, hdr, old_parent_node, old_name, W_OK, has_rw)) {  in handle_rename()
1123     if (!check_caller_access_to_name(fuse, hdr, new_parent_node, new_name, W_OK, has_rw)) {  in handle_rename()
1184         const struct fuse_in_header* hdr, const struct fuse_open_in* req)  in handle_open()  argument
1193     has_rw = get_caller_has_rw_locked(fuse, hdr);  in handle_open()
1194     node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));  in handle_open()
1196             req->flags, hdr->nodeid, node ? node->name : "?");  in handle_open()
1202     if (!check_caller_access_to_node(fuse, hdr, node,  in handle_open()
1219     fuse_reply(fuse, hdr->unique, &out, sizeof(out));  in handle_open()
1224         const struct fuse_in_header* hdr, const struct fuse_read_in* req)  in handle_read()  argument
1227     __u64 unique = hdr->unique;  in handle_read()
1251         const struct fuse_in_header* hdr, const struct fuse_write_in* req,  in handle_write()  argument
1271     fuse_reply(fuse, hdr->unique, &out, sizeof(out));  in handle_write()
1276         const struct fuse_in_header* hdr)  in handle_statfs()  argument
1302     fuse_reply(fuse, hdr->unique, &out, sizeof(out));  in handle_statfs()
1307         const struct fuse_in_header* hdr, const struct fuse_release_in* req)  in handle_release()  argument
1318         const struct fuse_in_header* hdr, const struct fuse_fsync_in* req)  in handle_fsync()  argument
1320     bool is_dir = (hdr->opcode == FUSE_FSYNCDIR);  in handle_fsync()
1343         const struct fuse_in_header* hdr)  in handle_flush()  argument
1350         const struct fuse_in_header* hdr, const struct fuse_open_in* req)  in handle_opendir()  argument
1358     node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));  in handle_opendir()
1360             hdr->nodeid, node ? node->name : "?");  in handle_opendir()
1366     if (!check_caller_access_to_node(fuse, hdr, node, R_OK, false)) {  in handle_opendir()
1382     fuse_reply(fuse, hdr->unique, &out, sizeof(out));  in handle_opendir()
1387         const struct fuse_in_header* hdr, const struct fuse_read_in* req)  in handle_readdir()  argument
1410     fuse_reply(fuse, hdr->unique, fde,  in handle_readdir()
1416         const struct fuse_in_header* hdr, const struct fuse_release_in* req)  in handle_releasedir()  argument
1427         const struct fuse_in_header* hdr, const struct fuse_init_in* req)  in handle_init()  argument
1440     fuse_reply(fuse, hdr->unique, &out, sizeof(out));  in handle_init()
1445         const struct fuse_in_header *hdr, const void *data, size_t data_len)  in handle_fuse_request()  argument
1447     switch (hdr->opcode) {  in handle_fuse_request()
1450         return handle_lookup(fuse, handler, hdr, name);  in handle_fuse_request()
1455         return handle_forget(fuse, handler, hdr, req);  in handle_fuse_request()
1460         return handle_getattr(fuse, handler, hdr, req);  in handle_fuse_request()
1465         return handle_setattr(fuse, handler, hdr, req);  in handle_fuse_request()
1473         return handle_mknod(fuse, handler, hdr, req, name);  in handle_fuse_request()
1479         return handle_mkdir(fuse, handler, hdr, req, name);  in handle_fuse_request()
1484         return handle_unlink(fuse, handler, hdr, name);  in handle_fuse_request()
1489         return handle_rmdir(fuse, handler, hdr, name);  in handle_fuse_request()
1496         return handle_rename(fuse, handler, hdr, req, old_name, new_name);  in handle_fuse_request()
1502         return handle_open(fuse, handler, hdr, req);  in handle_fuse_request()
1507         return handle_read(fuse, handler, hdr, req);  in handle_fuse_request()
1513         return handle_write(fuse, handler, hdr, req, buffer);  in handle_fuse_request()
1517         return handle_statfs(fuse, handler, hdr);  in handle_fuse_request()
1522         return handle_release(fuse, handler, hdr, req);  in handle_fuse_request()
1528         return handle_fsync(fuse, handler, hdr, req);  in handle_fuse_request()
1536         return handle_flush(fuse, handler, hdr);  in handle_fuse_request()
1541         return handle_opendir(fuse, handler, hdr, req);  in handle_fuse_request()
1546         return handle_readdir(fuse, handler, hdr, req);  in handle_fuse_request()
1551         return handle_releasedir(fuse, handler, hdr, req);  in handle_fuse_request()
1556         return handle_init(fuse, handler, hdr, req);  in handle_fuse_request()
1561                 handler->token, hdr->opcode, hdr->unique, hdr->nodeid);  in handle_fuse_request()
1585         const struct fuse_in_header *hdr = (void*)handler->request_buffer;  in handle_fuse_requests()  local
1586         if (hdr->len != (size_t)len) {  in handle_fuse_requests()
1588                     handler->token, (size_t)len, hdr->len);  in handle_fuse_requests()
1594         __u64 unique = hdr->unique;  in handle_fuse_requests()
1595         int res = handle_fuse_request(fuse, handler, hdr, data, data_len);  in handle_fuse_requests()