ReactOS 0.4.15-dev-5664-g3bf4ef6
netname.c
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1/*
2 * Copyright (c) 2009, Sun Microsystems, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of Sun Microsystems, Inc. nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * netname utility routines
31 * convert from unix names to network names and vice-versa
32 * This module is operating system dependent!
33 * What we define here will work with any unix system that has adopted
34 * the sun NIS domain architecture.
35 */
36
37#include <wintirpc.h>
38//#include <sys/param.h>
39#include <rpc/rpc.h>
40#include "rpc_com.h"
41#ifdef YP
42#include <rpcsvc/yp_prot.h>
43#include <rpcsvc/ypclnt.h>
44#endif
45#include <ctype.h>
46#include <limits.h>
47#include <stdio.h>
48#include <stdlib.h>
49#include <string.h>
50//#include <unistd.h>
51
52#ifndef MAXHOSTNAMELEN
53#define MAXHOSTNAMELEN 256
54#endif
55#ifndef NGROUPS
56#define NGROUPS 16
57#endif
58
59#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
60
61#define TYPE_SIGNED(type) (((type) -1) < 0)
62
63/*
64** 302 / 1000 is log10(2.0) rounded up.
65** Subtract one for the sign bit if the type is signed;
66** add one for integer division truncation;
67** add one more for a minus sign if the type is signed.
68*/
69#define INT_STRLEN_MAXIMUM(type) \
70 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
71
72static char *OPSYS = "unix";
73
74/*
75 * Figure out my fully qualified network name
76 */
77int
79 char name[MAXNETNAMELEN+1];
80{
81#ifdef _WIN32
82 /* I don't understand what these underlying routines are accomplishing??? */
83 return 1;
84#else
85 uid_t uid;
86
87 uid = geteuid();
88 if (uid == 0) {
89 return (host2netname(name, (char *) NULL, (char *) NULL));
90 } else {
91 return (user2netname(name, uid, (char *) NULL));
92 }
93#endif
94}
95
96#ifndef _WIN32
97/*
98 * Convert unix cred to network-name
99 */
100int
101user2netname(netname, uid, domain)
102 char netname[MAXNETNAMELEN + 1];
103 const uid_t uid;
104 const char *domain;
105{
106 char *dfltdom;
107
108 if (domain == NULL) {
109 if (__rpc_get_default_domain(&dfltdom) != 0) {
110 return (0);
111 }
112 domain = dfltdom;
113 }
115 return (0);
116 }
117 (void) sprintf(netname, "%s.%ld@%s", OPSYS, (u_long)uid, domain);
118 return (1);
119}
120
121
122/*
123 * Convert host to network-name
124 */
125int
127 char netname[MAXNETNAMELEN + 1];
128 const char *host;
129 const char *domain;
130{
131 char *dfltdom;
132 char hostname[MAXHOSTNAMELEN+1];
133
134 if (domain == NULL) {
135 if (__rpc_get_default_domain(&dfltdom) != 0) {
136 return (0);
137 }
138 domain = dfltdom;
139 }
140 if (host == NULL) {
141 (void) gethostname(hostname, sizeof(hostname));
142 host = hostname;
143 }
144 if (strlen(domain) + 1 + strlen(host) + 1 + strlen(OPSYS) > MAXNETNAMELEN) {
145 return (0);
146 }
147 (void) sprintf(netname, "%s.%s@%s", OPSYS, host, domain);
148 return (1);
149}
150#endif
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
long uid_t
Definition: various.h:8
char * hostname
Definition: ftp.c:88
#define MAXNETNAMELEN
Definition: auth.h:78
#define NULL
Definition: types.h:112
unsigned long u_long
Definition: linux.h:269
INT WSAAPI gethostname(OUT char FAR *name, IN INT namelen)
Definition: getxbyxx.c:397
#define sprintf(buf, format,...)
Definition: sprintf.c:55
int user2netname(netname, const uid_t uid, const char *domain)
Definition: netname.c:101
#define INT_STRLEN_MAXIMUM(type)
Definition: netname.c:69
static char * OPSYS
Definition: netname.c:72
int host2netname(netname, const char *host, const char *domain)
Definition: netname.c:126
int getnetname(name)
Definition: netname.c:78
#define MAXHOSTNAMELEN
Definition: netname.c:53
int __rpc_get_default_domain(char **)
Definition: rpcdname.c:72
Definition: cookie.c:42
Definition: name.c:39
EXPORT uid_t geteuid()
Definition: uid.c:37
char * host
Definition: whois.c:55