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/*
Unix SMB/CIFS implementation.
Copyright (C) Stefan Metzmacher 2004
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 <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libnet/libnet.h"
#include "system/time.h"
#include "librpc/gen_ndr/ndr_srvsvc_c.h"
/*
* get the remote time of a server via srvsvc_NetRemoteTOD
*/
static NTSTATUS libnet_RemoteTOD_srvsvc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_RemoteTOD *r)
{
NTSTATUS status;
struct libnet_RpcConnect c;
struct srvsvc_NetRemoteTOD tod;
struct srvsvc_NetRemoteTODInfo *info = NULL;
struct tm tm;
ZERO_STRUCT(c);
/* prepare connect to the SRVSVC pipe of a timeserver */
c.level = LIBNET_RPC_CONNECT_SERVER;
c.in.name = r->srvsvc.in.server_name;
c.in.dcerpc_iface = &ndr_table_srvsvc;
/* 1. connect to the SRVSVC pipe of a timeserver */
status = libnet_RpcConnect(ctx, mem_ctx, &c);
if (!NT_STATUS_IS_OK(status)) {
r->srvsvc.out.error_string = talloc_asprintf(mem_ctx,
"Connection to SRVSVC pipe of server '%s' failed: %s",
r->srvsvc.in.server_name, nt_errstr(status));
return status;
}
/* prepare srvsvc_NetrRemoteTOD */
tod.in.server_unc = talloc_asprintf(mem_ctx, "\\%s", c.in.name);
tod.out.info = &info;
/* 2. try srvsvc_NetRemoteTOD */
status = dcerpc_srvsvc_NetRemoteTOD_r(c.out.dcerpc_pipe->binding_handle, mem_ctx, &tod);
if (!NT_STATUS_IS_OK(status)) {
r->srvsvc.out.error_string = talloc_asprintf(mem_ctx,
"srvsvc_NetrRemoteTOD on server '%s' failed: %s",
r->srvsvc.in.server_name, nt_errstr(status));
goto disconnect;
}
/* check result of srvsvc_NetrRemoteTOD */
if (!W_ERROR_IS_OK(tod.out.result)) {
r->srvsvc.out.error_string = talloc_asprintf(mem_ctx,
"srvsvc_NetrRemoteTOD on server '%s' failed: %s",
r->srvsvc.in.server_name, win_errstr(tod.out.result));
status = werror_to_ntstatus(tod.out.result);
goto disconnect;
}
/* need to set the out parameters */
tm.tm_sec = (int)info->secs;
tm.tm_min = (int)info->mins;
tm.tm_hour = (int)info->hours;
tm.tm_mday = (int)info->day;
tm.tm_mon = (int)info->month -1;
tm.tm_year = (int)info->year - 1900;
tm.tm_wday = -1;
tm.tm_yday = -1;
tm.tm_isdst = -1;
r->srvsvc.out.time = timegm(&tm);
r->srvsvc.out.time_zone = info->timezone * 60;
goto disconnect;
disconnect:
/* close connection */
talloc_free(c.out.dcerpc_pipe);
return status;
}
static NTSTATUS libnet_RemoteTOD_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_RemoteTOD *r)
{
NTSTATUS status;
union libnet_RemoteTOD r2;
r2.srvsvc.level = LIBNET_REMOTE_TOD_SRVSVC;
r2.srvsvc.in.server_name = r->generic.in.server_name;
status = libnet_RemoteTOD(ctx, mem_ctx, &r2);
r->generic.out.time = r2.srvsvc.out.time;
r->generic.out.time_zone = r2.srvsvc.out.time_zone;
r->generic.out.error_string = r2.srvsvc.out.error_string;
return status;
}
NTSTATUS libnet_RemoteTOD(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_RemoteTOD *r)
{
switch (r->generic.level) {
case LIBNET_REMOTE_TOD_GENERIC:
return libnet_RemoteTOD_generic(ctx, mem_ctx, r);
case LIBNET_REMOTE_TOD_SRVSVC:
return libnet_RemoteTOD_srvsvc(ctx, mem_ctx, r);
}
return NT_STATUS_INVALID_LEVEL;
}
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