diff options
Diffstat (limited to 'source4/nbt_server')
-rw-r--r-- | source4/nbt_server/config.mk | 13 | ||||
-rw-r--r-- | source4/nbt_server/interfaces.c | 88 | ||||
-rw-r--r-- | source4/nbt_server/nbt_server.c | 85 | ||||
-rw-r--r-- | source4/nbt_server/nbt_server.h | 44 |
4 files changed, 230 insertions, 0 deletions
diff --git a/source4/nbt_server/config.mk b/source4/nbt_server/config.mk new file mode 100644 index 0000000000..093cb61864 --- /dev/null +++ b/source4/nbt_server/config.mk @@ -0,0 +1,13 @@ +# NBTD server subsystem + +####################### +# Start SUBSYSTEM NBTD +[SUBSYSTEM::NBTD] +INIT_OBJ_FILES = \ + nbt_server/nbt_server.o +ADD_OBJ_FILES = \ + nbt_server/interfaces.o +REQUIRED_SUBSYSTEMS = \ + LIBCLI_NBT +# End SUBSYSTEM SMB +####################### diff --git a/source4/nbt_server/interfaces.c b/source4/nbt_server/interfaces.c new file mode 100644 index 0000000000..18893e179b --- /dev/null +++ b/source4/nbt_server/interfaces.c @@ -0,0 +1,88 @@ +/* + Unix SMB/CIFS implementation. + + NBT interface handling + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "dlinklist.h" +#include "nbt_server/nbt_server.h" +#include "smbd/service_task.h" +#include "libcli/nbt/libnbt.h" + +/* + start listening on the given address +*/ +static NTSTATUS nbt_add_socket(struct nbt_server *nbtsrv, + const char *address, const char *bcast) +{ + struct nbt_interface *iface; + NTSTATUS status; + + iface = talloc(nbtsrv, struct nbt_interface); + NT_STATUS_HAVE_NO_MEMORY(iface); + + iface->nbtsrv = nbtsrv; + iface->bcast_address = talloc_steal(iface, bcast); + iface->ip_address = talloc_steal(iface, address); + + iface->nbtsock = nbt_name_socket_init(iface, nbtsrv->task->event_ctx); + NT_STATUS_HAVE_NO_MEMORY(iface->ip_address); + + status = socket_listen(iface->nbtsock->sock, address, lp_nbt_port(), 0, 0); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("Failed to bind to %s:%d - %s\n", + address, lp_nbt_port(), nt_errstr(status))); + talloc_free(iface); + return status; + } + + DLIST_ADD(nbtsrv->interfaces, iface); + + return NT_STATUS_OK; +} + + +/* + setup our listening sockets on the configured network interfaces +*/ +NTSTATUS nbt_startup_interfaces(struct nbt_server *nbtsrv) +{ + int num_interfaces = iface_count(); + int i; + TALLOC_CTX *tmp_ctx = talloc_new(nbtsrv); + NTSTATUS status; + + status = nbt_add_socket(nbtsrv, + talloc_strdup(tmp_ctx, "0.0.0.0"), + talloc_strdup(tmp_ctx, "255.255.255.255")); + NT_STATUS_NOT_OK_RETURN(status); + + for (i=0; i<num_interfaces; i++) { + const char *address = talloc_strdup(tmp_ctx, sys_inet_ntoa(*iface_n_ip(i))); + const char *bcast = talloc_strdup(tmp_ctx, sys_inet_ntoa(*iface_n_bcast(i))); + + status = nbt_add_socket(nbtsrv, address, bcast); + NT_STATUS_NOT_OK_RETURN(status); + } + + talloc_free(tmp_ctx); + + return NT_STATUS_OK; +} diff --git a/source4/nbt_server/nbt_server.c b/source4/nbt_server/nbt_server.c new file mode 100644 index 0000000000..19dabdfa51 --- /dev/null +++ b/source4/nbt_server/nbt_server.c @@ -0,0 +1,85 @@ +/* + Unix SMB/CIFS implementation. + + NBT server task + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "events.h" +#include "libcli/nbt/libnbt.h" +#include "smbd/service_task.h" +#include "nbt_server/nbt_server.h" + + +/* + receive an incoming request +*/ +static void nbt_request_handler(struct nbt_name_socket *nbtsock, + struct nbt_name_packet *packet, + const char *src_address, int src_port) +{ + struct nbt_interface *iface = talloc_get_type(nbtsock->incoming.private, + struct nbt_interface); + DEBUG(0,("nbtd request from %s:%d\n", src_address, src_port)); + + NDR_PRINT_DEBUG(nbt_name_packet, packet); +} + + +/* + startup the nbtd task +*/ +static void nbtd_task_init(struct task_server *task) +{ + struct nbt_server *nbtsrv; + struct nbt_interface *iface; + + nbtsrv = talloc(task, struct nbt_server); + if (nbtsrv == NULL) { + task_terminate(task, "nbtd: out of memory"); + return; + } + + nbtsrv->task = task; + nbtsrv->interfaces = NULL; + + nbt_startup_interfaces(nbtsrv); + + for (iface=nbtsrv->interfaces;iface;iface=iface->next) { + nbt_set_incoming_handler(iface->nbtsock, nbt_request_handler, iface); + } +} + + +/* + initialise the nbt server + */ +static NTSTATUS nbtd_init(struct event_context *event_ctx, const struct model_ops *model_ops) +{ + return task_server_startup(event_ctx, model_ops, nbtd_task_init); +} + + +/* + register ourselves as a available server +*/ +NTSTATUS server_service_nbtd_init(void) +{ + return register_server_service("nbt", nbtd_init); +} diff --git a/source4/nbt_server/nbt_server.h b/source4/nbt_server/nbt_server.h new file mode 100644 index 0000000000..9ef510fbb2 --- /dev/null +++ b/source4/nbt_server/nbt_server.h @@ -0,0 +1,44 @@ +/* + Unix SMB/CIFS implementation. + + NBT server structures + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + + +/* a list of network interfaces we are listening on */ +struct nbt_interface { + struct nbt_interface *next, *prev; + const char *ip_address; + const char *bcast_address; + struct nbt_name_socket *nbtsock; + struct nbt_server *nbtsrv; +}; + + +/* + top level context structure for the nbt server +*/ +struct nbt_server { + struct task_server *task; + + struct nbt_interface *interfaces; +}; + + + |