From 4f5791ebd03eaec1c7da0865a383175b05102712 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 19:47:29 +0200 Subject: Adding upstream version 2:4.17.12+dfsg. Signed-off-by: Daniel Baumann --- source4/libcli/dgram/libdgram.h | 153 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 source4/libcli/dgram/libdgram.h (limited to 'source4/libcli/dgram/libdgram.h') diff --git a/source4/libcli/dgram/libdgram.h b/source4/libcli/dgram/libdgram.h new file mode 100644 index 0000000..0f313a6 --- /dev/null +++ b/source4/libcli/dgram/libdgram.h @@ -0,0 +1,153 @@ +/* + Unix SMB/CIFS implementation. + + a raw async NBT DGRAM library + + Copyright (C) Andrew Tridgell 2005 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include "../libcli/netlogon/netlogon.h" + +/* + a datagram name request +*/ +struct nbt_dgram_request { + struct nbt_dgram_request *next, *prev; + + /* where to send the request */ + struct socket_address *dest; + + /* the encoded request */ + DATA_BLOB encoded; +}; + +/* + context structure for operations on dgram packets +*/ +struct nbt_dgram_socket { + struct socket_context *sock; + struct tevent_context *event_ctx; + + /* the fd event */ + struct tevent_fd *fde; + + /* a queue of outgoing requests */ + struct nbt_dgram_request *send_queue; + + /* a list of mailslot handlers */ + struct dgram_mailslot_handler *mailslot_handlers; + + /* what to do with incoming request packets */ + struct { + void (*handler)(struct nbt_dgram_socket *, struct nbt_dgram_packet *, + struct socket_address *src); + void *private_data; + } incoming; +}; + + +/* + the mailslot code keeps a list of mailslot handlers. A mailslot + handler is a function that receives incoming packets for a specific + mailslot name. When a caller needs to send a mailslot and wants to + get a reply then it needs to register itself as listening for + incoming packets on the reply mailslot +*/ + +typedef void (*dgram_mailslot_handler_t)(struct dgram_mailslot_handler *, + struct nbt_dgram_packet *, + struct socket_address *src); + +struct dgram_mailslot_handler { + struct dgram_mailslot_handler *next, *prev; + + struct nbt_dgram_socket *dgmsock; + const char *mailslot_name; + + dgram_mailslot_handler_t handler; + void *private_data; +}; + + +/* prototypes */ +NTSTATUS nbt_dgram_send(struct nbt_dgram_socket *dgmsock, + struct nbt_dgram_packet *packet, + struct socket_address *dest); +NTSTATUS dgram_set_incoming_handler(struct nbt_dgram_socket *dgmsock, + void (*handler)(struct nbt_dgram_socket *, + struct nbt_dgram_packet *, + struct socket_address *), + void *private_data); +struct nbt_dgram_socket *nbt_dgram_socket_init(TALLOC_CTX *mem_ctx, + struct tevent_context *event_ctx); + +const char *dgram_mailslot_name(struct nbt_dgram_packet *packet); +struct dgram_mailslot_handler *dgram_mailslot_find(struct nbt_dgram_socket *dgmsock, + const char *mailslot_name); +struct dgram_mailslot_handler *dgram_mailslot_listen(struct nbt_dgram_socket *dgmsock, + const char *mailslot_name, + dgram_mailslot_handler_t handler, + void *private_data); +struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgmsock, + const char *mailslot_name, + dgram_mailslot_handler_t handler, + void *private_data); +DATA_BLOB dgram_mailslot_data(struct nbt_dgram_packet *dgram); + + +NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock, + enum dgram_msg_type msg_type, + const char *mailslot_name, + struct nbt_name *dest_name, + struct socket_address *dest, + struct nbt_name *src_name, + DATA_BLOB *request); + +NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock, + struct nbt_name *dest_name, + struct socket_address *dest, + const char *mailslot_name, + struct nbt_name *src_name, + struct nbt_netlogon_packet *request); +NTSTATUS dgram_mailslot_netlogon_reply(struct nbt_dgram_socket *dgmsock, + struct nbt_dgram_packet *request, + const char *my_netbios_name, + const char *mailslot_name, + struct nbt_netlogon_response *reply); +NTSTATUS dgram_mailslot_netlogon_parse_request(TALLOC_CTX *mem_ctx, + struct nbt_dgram_packet *dgram, + struct nbt_netlogon_packet *netlogon); + +NTSTATUS dgram_mailslot_netlogon_parse_response(TALLOC_CTX *mem_ctx, + struct nbt_dgram_packet *dgram, + struct nbt_netlogon_response *netlogon); + +NTSTATUS dgram_mailslot_browse_send(struct nbt_dgram_socket *dgmsock, + struct nbt_name *dest_name, + struct socket_address *dest, + struct nbt_name *src_name, + struct nbt_browse_packet *request); + +NTSTATUS dgram_mailslot_browse_reply(struct nbt_dgram_socket *dgmsock, + struct nbt_dgram_packet *request, + const char *mailslot_name, + const char *my_netbios_name, + struct nbt_browse_packet *reply); + +NTSTATUS dgram_mailslot_browse_parse(struct dgram_mailslot_handler *dgmslot, + TALLOC_CTX *mem_ctx, + struct nbt_dgram_packet *dgram, + struct nbt_browse_packet *pkt); -- cgit v1.2.3