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58e8db912d
We need to pass down flags to the DCE/RPC layer to allow fallback to anonymous connections, as we can't log in with an expired password. The anonymous connection can then change the password with SAMR. Andrew Bartlett
126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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Copyright (C) Stefan Metzmacher 2004
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "libnet/libnet.h"
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#include "system/time.h"
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#include "librpc/gen_ndr/ndr_srvsvc_c.h"
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/*
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* get the remote time of a server via srvsvc_NetRemoteTOD
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*/
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static NTSTATUS libnet_RemoteTOD_srvsvc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_RemoteTOD *r)
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{
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NTSTATUS status;
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struct libnet_RpcConnect c;
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struct srvsvc_NetRemoteTOD tod;
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struct srvsvc_NetRemoteTODInfo *info = NULL;
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struct tm tm;
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ZERO_STRUCT(c);
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/* prepare connect to the SRVSVC pipe of a timeserver */
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c.level = LIBNET_RPC_CONNECT_SERVER;
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c.in.name = r->srvsvc.in.server_name;
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c.in.dcerpc_iface = &ndr_table_srvsvc;
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/* 1. connect to the SRVSVC pipe of a timeserver */
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status = libnet_RpcConnect(ctx, mem_ctx, &c);
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if (!NT_STATUS_IS_OK(status)) {
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r->srvsvc.out.error_string = talloc_asprintf(mem_ctx,
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"Connection to SRVSVC pipe of server '%s' failed: %s",
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r->srvsvc.in.server_name, nt_errstr(status));
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return status;
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}
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/* prepare srvsvc_NetrRemoteTOD */
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tod.in.server_unc = talloc_asprintf(mem_ctx, "\\%s", c.in.name);
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tod.out.info = &info;
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/* 2. try srvsvc_NetRemoteTOD */
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status = dcerpc_srvsvc_NetRemoteTOD(c.out.dcerpc_pipe, mem_ctx, &tod);
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if (!NT_STATUS_IS_OK(status)) {
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r->srvsvc.out.error_string = talloc_asprintf(mem_ctx,
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"srvsvc_NetrRemoteTOD on server '%s' failed: %s",
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r->srvsvc.in.server_name, nt_errstr(status));
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goto disconnect;
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}
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/* check result of srvsvc_NetrRemoteTOD */
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if (!W_ERROR_IS_OK(tod.out.result)) {
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r->srvsvc.out.error_string = talloc_asprintf(mem_ctx,
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"srvsvc_NetrRemoteTOD on server '%s' failed: %s",
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r->srvsvc.in.server_name, win_errstr(tod.out.result));
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status = werror_to_ntstatus(tod.out.result);
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goto disconnect;
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}
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/* need to set the out parameters */
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tm.tm_sec = (int)info->secs;
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tm.tm_min = (int)info->mins;
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tm.tm_hour = (int)info->hours;
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tm.tm_mday = (int)info->day;
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tm.tm_mon = (int)info->month -1;
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tm.tm_year = (int)info->year - 1900;
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tm.tm_wday = -1;
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tm.tm_yday = -1;
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tm.tm_isdst = -1;
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r->srvsvc.out.time = timegm(&tm);
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r->srvsvc.out.time_zone = info->timezone * 60;
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goto disconnect;
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disconnect:
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/* close connection */
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talloc_free(c.out.dcerpc_pipe);
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return status;
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}
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static NTSTATUS libnet_RemoteTOD_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_RemoteTOD *r)
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{
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NTSTATUS status;
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union libnet_RemoteTOD r2;
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r2.srvsvc.level = LIBNET_REMOTE_TOD_SRVSVC;
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r2.srvsvc.in.server_name = r->generic.in.server_name;
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status = libnet_RemoteTOD(ctx, mem_ctx, &r2);
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r->generic.out.time = r2.srvsvc.out.time;
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r->generic.out.time_zone = r2.srvsvc.out.time_zone;
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r->generic.out.error_string = r2.srvsvc.out.error_string;
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return status;
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}
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NTSTATUS libnet_RemoteTOD(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_RemoteTOD *r)
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{
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switch (r->generic.level) {
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case LIBNET_REMOTE_TOD_GENERIC:
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return libnet_RemoteTOD_generic(ctx, mem_ctx, r);
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case LIBNET_REMOTE_TOD_SRVSVC:
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return libnet_RemoteTOD_srvsvc(ctx, mem_ctx, r);
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}
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return NT_STATUS_INVALID_LEVEL;
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}
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