diff options
| -rw-r--r-- | source4/nbt_server/config.mk | 3 | ||||
| -rw-r--r-- | source4/nbt_server/irpc.c | 192 | ||||
| -rw-r--r-- | source4/nbt_server/nbt_server.c | 151 |
3 files changed, 195 insertions, 151 deletions
diff --git a/source4/nbt_server/config.mk b/source4/nbt_server/config.mk index 3f4440e6dd..4d07897eb0 100644 --- a/source4/nbt_server/config.mk +++ b/source4/nbt_server/config.mk @@ -46,7 +46,8 @@ ADD_OBJ_FILES = \ nbt_server/query.o \ nbt_server/nodestatus.o \ nbt_server/defense.o \ - nbt_server/packet.o + nbt_server/packet.o \ + nbt_server/irpc.o REQUIRED_SUBSYSTEMS = \ LIBCLI_NBT NBTD_WINS NBTD_DGRAM # End SUBSYSTEM NBTD diff --git a/source4/nbt_server/irpc.c b/source4/nbt_server/irpc.c new file mode 100644 index 0000000000..94284184c1 --- /dev/null +++ b/source4/nbt_server/irpc.c @@ -0,0 +1,192 @@ +/* + Unix SMB/CIFS implementation. + + irpc services for the NBT server + + Copyright (C) Andrew Tridgell 2005 + Copyright (C) Volker Lendecke 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 "smbd/service_task.h" +#include "nbt_server/nbt_server.h" + + +/* + serve out the nbt statistics +*/ +static NTSTATUS nbtd_information(struct irpc_message *msg, + struct nbtd_information *r) +{ + struct nbtd_server *server = talloc_get_type(msg->private, struct nbtd_server); + + switch (r->in.level) { + case NBTD_INFO_STATISTICS: + r->out.info.stats = &server->stats; + break; + } + + return NT_STATUS_OK; +} + + +/* + winbind needs to be able to do a getdc request, but some windows + servers always send the reply to port 138, regardless of the request + port. To cope with this we use a irpc request to the NBT server + which has port 138 open, and thus can receive the replies +*/ +struct getdc_state { + struct irpc_message *msg; + struct nbtd_getdcname *req; +}; + +static void getdc_recv_ntlogon_reply(struct dgram_mailslot_handler *dgmslot, + struct nbt_dgram_packet *packet, + const char *src_address, int src_port) +{ + struct getdc_state *s = + talloc_get_type(dgmslot->private, struct getdc_state); + + struct nbt_ntlogon_packet ntlogon; + NTSTATUS status; + + status = dgram_mailslot_ntlogon_parse(dgmslot, packet, packet, + &ntlogon); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(5, ("dgram_mailslot_ntlogon_parse failed: %s\n", + nt_errstr(status))); + goto done; + } + + status = NT_STATUS_NO_LOGON_SERVERS; + + DEBUG(10, ("reply: command=%d\n", ntlogon.command)); + + switch (ntlogon.command) { + case NTLOGON_SAM_LOGON: + DEBUG(0, ("Huh -- got NTLOGON_SAM_LOGON as reply\n")); + break; + case NTLOGON_SAM_LOGON_REPLY: { + const char *p = ntlogon.req.reply.server; + + DEBUG(10, ("NTLOGON_SAM_LOGON_REPLY: server: %s, user: %s, " + "domain: %s\n", p, ntlogon.req.reply.user_name, + ntlogon.req.reply.domain)); + + if (*p == '\\') p += 1; + if (*p == '\\') p += 1; + + s->req->out.dcname = talloc_strdup(s->req, p); + if (s->req->out.dcname == NULL) { + DEBUG(0, ("talloc failed\n")); + status = NT_STATUS_NO_MEMORY; + goto done; + } + status = NT_STATUS_OK; + break; + } + default: + DEBUG(0, ("Got unknown packet: %d\n", ntlogon.command)); + break; + } + + done: + irpc_send_reply(s->msg, status); +} + +static NTSTATUS nbtd_getdcname(struct irpc_message *msg, + struct nbtd_getdcname *req) +{ + struct nbtd_server *server = + talloc_get_type(msg->private, struct nbtd_server); + + struct getdc_state *s; + struct nbt_ntlogon_packet p; + struct nbt_ntlogon_sam_logon *r; + struct nbt_dgram_socket *sock; + struct nbt_name src, dst; + struct dgram_mailslot_handler *handler; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + + DEBUG(0, ("nbtd_getdcname called\n")); + + sock = server->interfaces[0].dgmsock; + + s = talloc(msg, struct getdc_state); + NT_STATUS_HAVE_NO_MEMORY(s); + + s->msg = msg; + s->req = req; + + handler = dgram_mailslot_temp(sock, NBT_MAILSLOT_GETDC, + getdc_recv_ntlogon_reply, s); + NT_STATUS_HAVE_NO_MEMORY(handler); + + ZERO_STRUCT(p); + p.command = NTLOGON_SAM_LOGON; + r = &p.req.logon; + r->request_count = 0; + r->computer_name = req->in.my_computername; + r->user_name = req->in.my_accountname; + r->mailslot_name = handler->mailslot_name; + r->acct_control = req->in.account_control; + r->sid = *req->in.domain_sid; + r->nt_version = 1; + r->lmnt_token = 0xffff; + r->lm20_token = 0xffff; + + make_nbt_name_client(&src, req->in.my_computername); + make_nbt_name(&dst, req->in.domainname, 0x1c); + + status = dgram_mailslot_ntlogon_send(sock, DGRAM_DIRECT_GROUP, + &dst, req->in.ip_address, 138, + &src, &p); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, ("dgram_mailslot_ntlogon_send failed: %s\n", + nt_errstr(status))); + return status; + } + + msg->defer_reply = True; + return NT_STATUS_OK; +} + + +/* + register the irpc handlers for the nbt server +*/ +void nbtd_register_irpc(struct nbtd_server *nbtsrv) +{ + NTSTATUS status; + struct task_server *task = nbtsrv->task; + + status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_INFORMATION, + nbtd_information, nbtsrv); + if (!NT_STATUS_IS_OK(status)) { + task_server_terminate(task, "nbtd failed to setup monitoring"); + return; + } + + status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_GETDCNAME, + nbtd_getdcname, nbtsrv); + if (!NT_STATUS_IS_OK(status)) { + task_server_terminate(task, "nbtd failed to setup getdcname " + "handler"); + return; + } +} diff --git a/source4/nbt_server/nbt_server.c b/source4/nbt_server/nbt_server.c index f1c9b67dd8..3ba06c7df9 100644 --- a/source4/nbt_server/nbt_server.c +++ b/source4/nbt_server/nbt_server.c @@ -27,140 +27,6 @@ /* - serve out the nbt statistics -*/ -static NTSTATUS nbtd_information(struct irpc_message *msg, - struct nbtd_information *r) -{ - struct nbtd_server *server = talloc_get_type(msg->private, struct nbtd_server); - - switch (r->in.level) { - case NBTD_INFO_STATISTICS: - r->out.info.stats = &server->stats; - break; - } - - return NT_STATUS_OK; -} - -struct getdc_state { - struct irpc_message *msg; - struct nbtd_getdcname *req; -}; - -static void getdc_recv_ntlogon_reply(struct dgram_mailslot_handler *dgmslot, - struct nbt_dgram_packet *packet, - const char *src_address, int src_port) -{ - struct getdc_state *s = - talloc_get_type(dgmslot->private, struct getdc_state); - - struct nbt_ntlogon_packet ntlogon; - NTSTATUS status; - - status = dgram_mailslot_ntlogon_parse(dgmslot, packet, packet, - &ntlogon); - if (!NT_STATUS_IS_OK(status)) { - DEBUG(5, ("dgram_mailslot_ntlogon_parse failed: %s\n", - nt_errstr(status))); - goto done; - } - - status = NT_STATUS_NO_LOGON_SERVERS; - - DEBUG(10, ("reply: command=%d\n", ntlogon.command)); - - switch (ntlogon.command) { - case NTLOGON_SAM_LOGON: - DEBUG(0, ("Huh -- got NTLOGON_SAM_LOGON as reply\n")); - break; - case NTLOGON_SAM_LOGON_REPLY: { - const char *p = ntlogon.req.reply.server; - - DEBUG(10, ("NTLOGON_SAM_LOGON_REPLY: server: %s, user: %s, " - "domain: %s\n", p, ntlogon.req.reply.user_name, - ntlogon.req.reply.domain)); - - if (*p == '\\') p += 1; - if (*p == '\\') p += 1; - - s->req->out.dcname = talloc_strdup(s->req, p); - if (s->req->out.dcname == NULL) { - DEBUG(0, ("talloc failed\n")); - status = NT_STATUS_NO_MEMORY; - goto done; - } - status = NT_STATUS_OK; - break; - } - default: - DEBUG(0, ("Got unknown packet: %d\n", ntlogon.command)); - break; - } - - done: - irpc_send_reply(s->msg, status); -} - -static NTSTATUS nbtd_getdcname(struct irpc_message *msg, - struct nbtd_getdcname *req) -{ - struct nbtd_server *server = - talloc_get_type(msg->private, struct nbtd_server); - - struct getdc_state *s; - struct nbt_ntlogon_packet p; - struct nbt_ntlogon_sam_logon *r; - struct nbt_dgram_socket *sock; - struct nbt_name src, dst; - struct dgram_mailslot_handler *handler; - NTSTATUS status = NT_STATUS_UNSUCCESSFUL; - - DEBUG(0, ("nbtd_getdcname called\n")); - - sock = server->interfaces[0].dgmsock; - - s = talloc(msg, struct getdc_state); - NT_STATUS_HAVE_NO_MEMORY(s); - - s->msg = msg; - s->req = req; - - handler = dgram_mailslot_temp(sock, NBT_MAILSLOT_GETDC, - getdc_recv_ntlogon_reply, s); - NT_STATUS_HAVE_NO_MEMORY(handler); - - ZERO_STRUCT(p); - p.command = NTLOGON_SAM_LOGON; - r = &p.req.logon; - r->request_count = 0; - r->computer_name = req->in.my_computername; - r->user_name = req->in.my_accountname; - r->mailslot_name = handler->mailslot_name; - r->acct_control = req->in.account_control; - r->sid = *req->in.domain_sid; - r->nt_version = 1; - r->lmnt_token = 0xffff; - r->lm20_token = 0xffff; - - make_nbt_name_client(&src, req->in.my_computername); - make_nbt_name(&dst, req->in.domainname, 0x1c); - - status = dgram_mailslot_ntlogon_send(sock, DGRAM_DIRECT_GROUP, - &dst, req->in.ip_address, 138, - &src, &p); - if (!NT_STATUS_IS_OK(status)) { - DEBUG(0, ("dgram_mailslot_ntlogon_send failed: %s\n", - nt_errstr(status))); - return status; - } - - msg->defer_reply = True; - return NT_STATUS_OK; -} - - -/* startup the nbtd task */ static void nbtd_task_init(struct task_server *task) @@ -198,22 +64,7 @@ static void nbtd_task_init(struct task_server *task) return; } - /* setup monitoring */ - status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_INFORMATION, - nbtd_information, nbtsrv); - if (!NT_STATUS_IS_OK(status)) { - task_server_terminate(task, "nbtd failed to setup monitoring"); - return; - } - - /* Setup handler for getdcname call */ - status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_GETDCNAME, - nbtd_getdcname, nbtsrv); - if (!NT_STATUS_IS_OK(status)) { - task_server_terminate(task, "nbtd failed to setup getdcname " - "handler"); - return; - } + nbtd_register_irpc(nbtsrv); /* start the process of registering our names on all interfaces */ nbtd_register_names(nbtsrv); |