r6907: Unixinfo for samba4, not activated by default.

Volker
(This used to be commit 81ddffde369c5b5e91bc130510f43c6841a789c4)

2 files changed, 187 insertions, 0 deletions

diff --git a/source4/rpc_server/config.mk b/source4/rpc_server/config.mk
index 74483c9362..ce30a404e6 100644
--- a/source4/rpc_server/config.mk
+++ b/source4/rpc_server/config.mk
@@ -87,6 +87,19 @@ REQUIRED_SUBSYSTEMS = \
 ################################################
 
 ################################################
+# Start MODULE dcerpc_unixinfo
+[MODULE::dcerpc_unixinfo]
+INIT_FUNCTION = dcerpc_server_unixinfo_init
+SUBSYSTEM = DCERPC
+INIT_OBJ_FILES = \
+		rpc_server/unixinfo/dcesrv_unixinfo.o
+REQUIRED_SUBSYSTEMS = \
+		DCERPC_COMMON \
+		NDR_UNIXINFO
+# End MODULE dcerpc_unixinfo
+################################################
+
+################################################
 # Start MODULE dcerpc_samr
 [MODULE::dcerpc_samr]
 INIT_FUNCTION = dcerpc_server_samr_init
diff --git a/source4/rpc_server/unixinfo/dcesrv_unixinfo.c b/source4/rpc_server/unixinfo/dcesrv_unixinfo.c
new file mode 100644
index 0000000000..b85d3f144e
--- /dev/null
+++ b/source4/rpc_server/unixinfo/dcesrv_unixinfo.c
@@ -0,0 +1,174 @@
+/* 
+   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 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 "rpc_server/dcerpc_server.h"
+#include "rpc_server/common/common.h"
+#include "librpc/gen_ndr/ndr_unixinfo.h"
+#include "lib/events/events.h"
+
+#include <sys/types.h>
+#include <pwd.h>
+
+static NTSTATUS unixinfo_SidToUid(struct dcesrv_call_state *dce_call,
+				  TALLOC_CTX *mem_ctx,
+				  struct unixinfo_SidToUid *r)
+{
+	struct sidmap_context *sidmap;
+	uid_t uid;
+
+	sidmap = sidmap_open(mem_ctx);
+	if (sidmap == NULL) {
+		DEBUG(10, ("sidmap_open failed\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	r->out.result = sidmap_sid_to_unixuid(sidmap, &r->in.sid, &uid);
+
+	if (NT_STATUS_IS_OK(r->out.result)) {
+		r->out.uid = uid;
+	}
+
+	return r->out.result;
+}
+
+static NTSTATUS unixinfo_UidToSid(struct dcesrv_call_state *dce_call,
+				  TALLOC_CTX *mem_ctx,
+				  struct unixinfo_UidToSid *r)
+{
+	struct sidmap_context *sidmap;
+	uid_t uid;
+
+	sidmap = sidmap_open(mem_ctx);
+	if (sidmap == NULL) {
+		DEBUG(10, ("sidmap_open failed\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	uid = r->in.uid; 	/* This cuts uid to (probably) 32 bit */
+
+	if ((uint64_t)uid != r->in.uid) {
+		DEBUG(10, ("uid out of range\n"));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	r->out.sid = NULL;
+	r->out.result = sidmap_uid_to_sid(sidmap, mem_ctx, uid, &r->out.sid);
+	return r->out.result;
+}
+
+static NTSTATUS unixinfo_SidToGid(struct dcesrv_call_state *dce_call,
+				  TALLOC_CTX *mem_ctx,
+				  struct unixinfo_SidToGid *r)
+{
+	struct sidmap_context *sidmap;
+	gid_t gid;
+
+	sidmap = sidmap_open(mem_ctx);
+	if (sidmap == NULL) {
+		DEBUG(10, ("sidmap_open failed\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	r->out.result = sidmap_sid_to_unixgid(sidmap, &r->in.sid, &gid);
+
+	if (NT_STATUS_IS_OK(r->out.result)) {
+		r->out.gid = gid;
+	}
+
+	return r->out.result;
+}
+
+static NTSTATUS unixinfo_GidToSid(struct dcesrv_call_state *dce_call,
+				  TALLOC_CTX *mem_ctx,
+				  struct unixinfo_GidToSid *r)
+{
+	struct sidmap_context *sidmap;
+	gid_t gid;
+
+	sidmap = sidmap_open(mem_ctx);
+	if (sidmap == NULL) {
+		DEBUG(10, ("sidmap_open failed\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	gid = r->in.gid; 	/* This cuts gid to (probably) 32 bit */
+
+	if ((uint64_t)gid != r->in.gid) {
+		DEBUG(10, ("gid out of range\n"));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	r->out.sid = NULL;
+	r->out.result = sidmap_gid_to_sid(sidmap, mem_ctx, gid, &r->out.sid);
+	return r->out.result;
+}
+
+static NTSTATUS unixinfo_GetPWUid(struct dcesrv_call_state *dce_call,
+				  TALLOC_CTX *mem_ctx,
+				  struct unixinfo_GetPWUid *r)
+{
+	int i;
+
+	r->out.infos = talloc_zero_array(mem_ctx, struct unixinfo_GetPWUidInfo,
+					 r->in.count);
+	if (r->out.infos == NULL) {
+		DEBUG(0, ("talloc failed\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	r->out.result = NT_STATUS_OK;
+	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"