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/*
Unix SMB/CIFS implementation.
endpoint server for the unixinfo pipe
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 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 "rpc_server/dcerpc_server.h"
#include "rpc_server/common/common.h"
#include "librpc/gen_ndr/ndr_unixinfo.h"
#include "libcli/wbclient/wbclient.h"
#include "lib/events/events.h"
#include "system/passwd.h"
static NTSTATUS dcerpc_unixinfo_bind(struct dcesrv_call_state *dce_call,
const struct dcesrv_interface *iface)
{
struct wbc_context *wbc_ctx;
wbc_ctx = wbc_init(dce_call->context, dce_call->msg_ctx,
dce_call->event_ctx);
NT_STATUS_HAVE_NO_MEMORY(wbc_ctx);
dce_call->context->private_data = wbc_ctx;
return NT_STATUS_OK;
}
#define DCESRV_INTERFACE_UNIXINFO_BIND dcerpc_unixinfo_bind
static NTSTATUS dcesrv_unixinfo_SidToUid(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
struct unixinfo_SidToUid *r)
{
NTSTATUS status;
struct wbc_context *wbc_ctx = talloc_get_type_abort(
dce_call->context->private_data,
struct wbc_context);
struct id_mapping *ids;
struct composite_context *ctx;
DEBUG(5, ("dcesrv_unixinfo_SidToUid called\n"));
ids = talloc(mem_ctx, struct id_mapping);
NT_STATUS_HAVE_NO_MEMORY(ids);
ids->sid = &r->in.sid;
ids->status = NT_STATUS_NONE_MAPPED;
ids->unixid = NULL;
ctx = wbc_sids_to_xids_send(wbc_ctx, ids, 1, ids);
NT_STATUS_HAVE_NO_MEMORY(ctx);
status = wbc_sids_to_xids_recv(ctx, &ids);
NT_STATUS_NOT_OK_RETURN(status);
if (ids->unixid->type == ID_TYPE_BOTH ||
ids->unixid->type == ID_TYPE_UID) {
*r->out.uid = ids->unixid->id;
return NT_STATUS_OK;
} else {
return NT_STATUS_INVALID_SID;
}
}
static NTSTATUS dcesrv_unixinfo_UidToSid(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
struct unixinfo_UidToSid *r)
{
struct wbc_context *wbc_ctx = talloc_get_type_abort(
dce_call->context->private_data,
struct wbc_context);
struct id_mapping *ids;
struct composite_context *ctx;
uint32_t uid;
NTSTATUS status;
DEBUG(5, ("dcesrv_unixinfo_UidToSid called\n"));
uid = r->in.uid; /* This cuts uid to 32 bit */
if ((uint64_t)uid != r->in.uid) {
DEBUG(10, ("uid out of range\n"));
return NT_STATUS_INVALID_PARAMETER;
}
ids = talloc(mem_ctx, struct id_mapping);
NT_STATUS_HAVE_NO_MEMORY(ids);
ids->sid = NULL;
ids->status = NT_STATUS_NONE_MAPPED;
ids->unixid = talloc(ids, struct unixid);
NT_STATUS_HAVE_NO_MEMORY(ids->unixid);
ids->unixid->id = uid;
ids->unixid->type = ID_TYPE_UID;
ctx = wbc_xids_to_sids_send(wbc_ctx, ids, 1, ids);
NT_STATUS_HAVE_NO_MEMORY(ctx);
status = wbc_xids_to_sids_recv(ctx, &ids);
NT_STATUS_NOT_OK_RETURN(status);
r->out.sid = ids->sid;
return NT_STATUS_OK;
}
static NTSTATUS dcesrv_unixinfo_SidToGid(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
struct unixinfo_SidToGid *r)
{
NTSTATUS status;
struct wbc_context *wbc_ctx = talloc_get_type_abort(
dce_call->context->private_data,
struct wbc_context);
struct id_mapping *ids;
struct composite_context *ctx;
DEBUG(5, ("dcesrv_unixinfo_SidToGid called\n"));
ids = talloc(mem_ctx, struct id_mapping);
NT_STATUS_HAVE_NO_MEMORY(ids);
ids->sid = &r->in.sid;
ids->status = NT_STATUS_NONE_MAPPED;
ids->unixid = NULL;
ctx = wbc_sids_to_xids_send(wbc_ctx, ids, 1, ids);
NT_STATUS_HAVE_NO_MEMORY(ctx);
status = wbc_sids_to_xids_recv(ctx, &ids);
NT_STATUS_NOT_OK_RETURN(status);
if (ids->unixid->type == ID_TYPE_BOTH ||
ids->unixid->type == ID_TYPE_GID) {
*r->out.gid = ids->unixid->id;
return NT_STATUS_OK;
} else {
return NT_STATUS_INVALID_SID;
}
}
static NTSTATUS dcesrv_unixinfo_GidToSid(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
struct unixinfo_GidToSid *r)
{
struct wbc_context *wbc_ctx = talloc_get_type_abort(
dce_call->context->private_data,
struct wbc_context);
struct id_mapping *ids;
struct composite_context *ctx;
uint32_t gid;
NTSTATUS status;
DEBUG(5, ("dcesrv_unixinfo_GidToSid called\n"));
gid = r->in.gid; /* This cuts gid to 32 bit */
if ((uint64_t)gid != r->in.gid) {
DEBUG(10, ("gid out of range\n"));
return NT_STATUS_INVALID_PARAMETER;
}
ids = talloc(mem_ctx, struct id_mapping);
NT_STATUS_HAVE_NO_MEMORY(ids);
ids->sid = NULL;
ids->status = NT_STATUS_NONE_MAPPED;
ids->unixid = talloc(ids, struct unixid);
NT_STATUS_HAVE_NO_MEMORY(ids->unixid);
ids->unixid->id = gid;
ids->unixid->type = ID_TYPE_GID;
ctx = wbc_xids_to_sids_send(wbc_ctx, ids, 1, ids);
NT_STATUS_HAVE_NO_MEMORY(ctx);
status = wbc_xids_to_sids_recv(ctx, &ids);
NT_STATUS_NOT_OK_RETURN(status);
r->out.sid = ids->sid;
return NT_STATUS_OK;
}
static NTSTATUS dcesrv_unixinfo_GetPWUid(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
struct unixinfo_GetPWUid *r)
{
int i;
*r->out.count = 0;
r->out.infos = talloc_zero_array(mem_ctx, struct unixinfo_GetPWUidInfo,
*r->in.count);
NT_STATUS_HAVE_NO_MEMORY(r->out.infos);
*r->out.count = *r->in.count;
for (i=0; i < *r->in.count; i++) {
uid_t uid;
struct passwd *pwd;
uid = r->in.uids[i];
pwd = getpwuid(uid);
if (pwd == NULL) {
DEBUG(10, ("uid %d not found\n", uid));
r->out.infos[i].homedir = "";
r->out.infos[i].shell = "";
r->out.infos[i].status = NT_STATUS_NO_SUCH_USER;
continue;
}
r->out.infos[i].homedir = talloc_strdup(mem_ctx, pwd->pw_dir);
r->out.infos[i].shell = talloc_strdup(mem_ctx, pwd->pw_shell);
if ((r->out.infos[i].homedir == NULL) ||
(r->out.infos[i].shell == NULL)) {
r->out.infos[i].homedir = "";
r->out.infos[i].shell = "";
r->out.infos[i].status = NT_STATUS_NO_MEMORY;
continue;
}
r->out.infos[i].status = NT_STATUS_OK;
}
return NT_STATUS_OK;
}
/* include the generated boilerplate */
#include "librpc/gen_ndr/ndr_unixinfo_s.c"
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