summaryrefslogtreecommitdiff
path: root/source4/rpc_server/unixinfo/dcesrv_unixinfo.c
blob: d186d7e34668c2aac4e6bab4eb6a00dd88a61cec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/* 
   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 "dsdb/samdb/samdb.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"