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1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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6 * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.1 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
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13 *
14 * The Original Code and all software distributed under the License are
ad21edcc 15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
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21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24/*
25 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
26 * unrestricted use provided that this legend is included on all tape
27 * media and as a part of the software program in whole or part. Users
28 * may copy or modify Sun RPC without charge, but are not authorized
29 * to license or distribute it to anyone else except as part of a product or
30 * program developed by the user or with the express written consent of
31 * Sun Microsystems, Inc.
32 *
33 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
34 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
35 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
36 *
37 * Sun RPC is provided with no support and without any obligation on the
38 * part of Sun Microsystems, Inc. to assist in its use, correction,
39 * modification or enhancement.
40 *
41 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
42 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
43 * OR ANY PART THEREOF.
44 *
45 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
46 * or profits or other special, indirect and consequential damages, even if
47 * Sun has been advised of the possibility of such damages.
48 *
49 * Sun Microsystems, Inc.
50 * 2550 Garcia Avenue
51 * Mountain View, California 94043
52 */
53
54#if defined(LIBC_SCCS) && !defined(lint)
55/*static char *sccsid = "from: @(#)getrpcent.c 1.14 91/03/11 Copyr 1984 Sun Micro";*/
3b7c7bd7 56static char *rcsid = "$Id: getrpcent.c,v 1.3 2002/02/19 20:36:23 epeyton Exp $";
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57#endif
58
59/*
60 * Copyright (c) 1984 by Sun Microsystems, Inc.
61 */
62
63#include <stdio.h>
3b7c7bd7 64#include <stdlib.h>
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65#include <sys/types.h>
66#include <string.h>
67#include <rpc/rpc.h>
68
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69/* forward */
70void _old_setrpcent(int f);
71struct rpcent *_old_getrpcent();
72void _old_endrpcent();
73
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74/*
75 * Internet version.
76 */
77struct rpcdata {
78 FILE *rpcf;
79 int stayopen;
80#define MAXALIASES 35
81 char *rpc_aliases[MAXALIASES];
82 struct rpcent rpc;
83 char line[BUFSIZ+1];
84} *rpcdata;
85
86static struct rpcent *interpret();
87struct hostent *gethostent();
88char *inet_ntoa();
89
90static char RPCDB[] = "/etc/rpc";
91
92static struct rpcdata *
93_rpcdata()
94{
95 register struct rpcdata *d = rpcdata;
96
97 if (d == 0) {
98 d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));
99 rpcdata = d;
100 }
101 return (d);
102}
103
104struct rpcent *
d49d4c81 105_old_getrpcbynumber(number)
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106#ifdef __LP64__
107 int32_t number;
108#else
03fb6eb0 109 register long number;
b3dd680f 110#endif
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111{
112 register struct rpcdata *d = _rpcdata();
113 register struct rpcent *p;
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114#ifdef __LP64__
115 int x;
116
117 x = number;
118#endif
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119
120 if (d == 0)
121 return (0);
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122 _old_setrpcent(0);
123 while ((p = _old_getrpcent()))
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124 {
125#ifdef __LP64__
126 if (p->r_number == x) break;
127#else
128 if (p->r_number == number) break;
129#endif
03fb6eb0 130 }
d49d4c81 131 _old_endrpcent();
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132 return (p);
133}
134
135struct rpcent *
d49d4c81 136_old_getrpcbyname(name)
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137#if defined(__APPLE__)
138 const char *name;
139#else
140 char *name;
141#endif
142{
143 struct rpcent *rpc;
144 char **rp;
145
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146 _old_setrpcent(0);
147 while ((rpc = _old_getrpcent())) {
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148 if (strcmp(rpc->r_name, name) == 0)
149 return (rpc);
150 for (rp = rpc->r_aliases; *rp != NULL; rp++) {
151 if (strcmp(*rp, name) == 0)
152 return (rpc);
153 }
154 }
d49d4c81 155 _old_endrpcent();
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156 return (NULL);
157}
158
159void
d49d4c81 160_old_setrpcent(f)
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161 int f;
162{
163 register struct rpcdata *d = _rpcdata();
164
165 if (d == 0)
166 return;
167 if (d->rpcf == NULL)
168 d->rpcf = fopen(RPCDB, "r");
169 else
170 rewind(d->rpcf);
171 d->stayopen |= f;
172}
173
174void
d49d4c81 175_old_endrpcent()
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176{
177 register struct rpcdata *d = _rpcdata();
178
179 if (d == 0)
180 return;
181 if (d->rpcf && !d->stayopen) {
182 fclose(d->rpcf);
183 d->rpcf = NULL;
184 }
185}
186
187struct rpcent *
d49d4c81 188_old_getrpcent()
03fb6eb0 189{
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190 register struct rpcdata *d = _rpcdata();
191
192 if (d == 0)
193 return(NULL);
194 if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
195 return (NULL);
196 if (fgets(d->line, BUFSIZ, d->rpcf) == NULL)
197 return (NULL);
198 return (interpret(d->line, strlen(d->line)));
199}
200
201static struct rpcent *
202interpret(val, len)
203 char *val;
e6b95798 204 u_int len;
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205{
206 register struct rpcdata *d = _rpcdata();
207 char *p;
208 register char *cp, **q;
209
210 if (d == 0)
211 return (0);
212 (void) strncpy(d->line, val, len);
213 p = d->line;
214 d->line[len] = '\n';
215 if (*p == '#')
d49d4c81 216 return (_old_getrpcent());
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217 cp = strpbrk(p, "#\n");
218 if (cp == NULL)
d49d4c81 219 return (_old_getrpcent());
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220 *cp = '\0';
221 cp = strpbrk(p, " \t");
222 if (cp == NULL)
d49d4c81 223 return (_old_getrpcent());
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224 *cp++ = '\0';
225 /* THIS STUFF IS INTERNET SPECIFIC */
226 d->rpc.r_name = d->line;
227 while (*cp == ' ' || *cp == '\t')
228 cp++;
229 d->rpc.r_number = atoi(cp);
230 q = d->rpc.r_aliases = d->rpc_aliases;
231 cp = strpbrk(cp, " \t");
232 if (cp != NULL)
233 *cp++ = '\0';
234 while (cp && *cp) {
235 if (*cp == ' ' || *cp == '\t') {
236 cp++;
237 continue;
238 }
239 if (q < &(d->rpc_aliases[MAXALIASES - 1]))
240 *q++ = cp;
241 cp = strpbrk(cp, " \t");
242 if (cp != NULL)
243 *cp++ = '\0';
244 }
245 *q = NULL;
246 return (&d->rpc);
247}
248