Remove some duplicate includes in bin/, games/ and lib/.
[games.git] / lib / libc / rpc / rpc_soc.c
CommitLineData
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1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California 94043
28 * @(#)rpc_soc.c 1.17 94/04/24 SMI; 1.41 89/05/02 Copyr 1988 Sun Micro
29 * $NetBSD: rpc_soc.c,v 1.6 2000/07/06 03:10:35 christos Exp $
30 * $FreeBSD: src/lib/libc/rpc/rpc_soc.c,v 1.15 2006/02/27 22:10:59 deischen Exp $
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31 */
32
33/*
34 * Copyright (c) 1986-1991 by Sun Microsystems Inc.
35 * In addition, portions of such source code were derived from Berkeley
36 * 4.3 BSD under license from the Regents of the University of
37 * California.
38 */
39
40#ifdef PORTMAP
41/*
42 * rpc_soc.c
43 *
44 * The backward compatibility routines for the earlier implementation
45 * of RPC, where the only transports supported were tcp/ip and udp/ip.
46 * Based on berkeley socket abstraction, now implemented on the top
47 * of TLI/Streams
48 */
49
50#include "namespace.h"
51#include "reentrant.h"
52#include <sys/types.h>
53#include <sys/socket.h>
54#include <stdio.h>
55#include <rpc/rpc.h>
56#include <rpc/pmap_clnt.h>
57#include <rpc/pmap_prot.h>
58#include <rpc/nettype.h>
59#include <syslog.h>
60#include <netinet/in.h>
61#include <netdb.h>
62#include <errno.h>
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63#include <stdlib.h>
64#include <string.h>
65#include <unistd.h>
66#include "un-namespace.h"
67
68#include "rpc_com.h"
69#include "mt_misc.h"
70
71static CLIENT *clnt_com_create(struct sockaddr_in *, rpcprog_t, rpcvers_t,
72 int *, u_int, u_int, char *);
73static SVCXPRT *svc_com_create(int, u_int, u_int, char *);
74static bool_t rpc_wrap_bcast(char *, struct netbuf *, struct netconfig *);
75
76/* XXX */
77#define IN4_LOCALHOST_STRING "127.0.0.1"
78#define IN6_LOCALHOST_STRING "::1"
79
80/*
81 * A common clnt create routine
82 */
83static CLIENT *
84clnt_com_create(struct sockaddr_in *raddr, rpcprog_t prog, rpcvers_t vers,
85 int *sockp, u_int sendsz, u_int recvsz, char *tp)
86{
87 CLIENT *cl;
88 int madefd = FALSE;
89 int fd = *sockp;
90 struct netconfig *nconf;
91 struct netbuf bindaddr;
92
93 mutex_lock(&rpcsoc_lock);
94 if ((nconf = __rpc_getconfip(tp)) == NULL) {
95 rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
96 mutex_unlock(&rpcsoc_lock);
97 return (NULL);
98 }
99 if (fd == RPC_ANYSOCK) {
100 fd = __rpc_nconf2fd(nconf);
101 if (fd == -1)
102 goto syserror;
103 madefd = TRUE;
104 }
105
106 if (raddr->sin_port == 0) {
107 u_int proto;
108 u_short sport;
109
110 mutex_unlock(&rpcsoc_lock); /* pmap_getport is recursive */
111 proto = strcmp(tp, "udp") == 0 ? IPPROTO_UDP : IPPROTO_TCP;
112 sport = pmap_getport(raddr, (u_long)prog, (u_long)vers,
113 proto);
114 if (sport == 0) {
115 goto err;
116 }
117 raddr->sin_port = htons(sport);
118 mutex_lock(&rpcsoc_lock); /* pmap_getport is recursive */
119 }
120
121 /* Transform sockaddr_in to netbuf */
122 bindaddr.maxlen = bindaddr.len = sizeof (struct sockaddr_in);
123 bindaddr.buf = raddr;
124
125 bindresvport(fd, NULL);
126 cl = clnt_tli_create(fd, nconf, &bindaddr, prog, vers,
127 sendsz, recvsz);
128 if (cl) {
129 if (madefd == TRUE) {
130 /*
131 * The fd should be closed while destroying the handle.
132 */
133 CLNT_CONTROL(cl, CLSET_FD_CLOSE, NULL);
134 *sockp = fd;
135 }
136 freenetconfigent(nconf);
137 mutex_unlock(&rpcsoc_lock);
138 return (cl);
139 }
140 goto err;
141
142syserror:
143 rpc_createerr.cf_stat = RPC_SYSTEMERROR;
144 rpc_createerr.cf_error.re_errno = errno;
145
146err: if (madefd == TRUE)
147 _close(fd);
148 freenetconfigent(nconf);
149 mutex_unlock(&rpcsoc_lock);
150 return (NULL);
151}
152
153CLIENT *
154clntudp_bufcreate(struct sockaddr_in *raddr, u_long prog, u_long vers,
155 struct timeval wait, int *sockp, u_int sendsz, u_int recvsz)
156{
157 CLIENT *cl;
158
159 cl = clnt_com_create(raddr, (rpcprog_t)prog, (rpcvers_t)vers, sockp,
160 sendsz, recvsz, "udp");
161 if (cl == NULL) {
162 return (NULL);
163 }
164 CLNT_CONTROL(cl, CLSET_RETRY_TIMEOUT, &wait);
165 return (cl);
166}
167
168CLIENT *
169clntudp_create(struct sockaddr_in *raddr, u_long program, u_long version,
170 struct timeval wait, int *sockp)
171{
172
173 return clntudp_bufcreate(raddr, program, version, wait, sockp,
174 UDPMSGSIZE, UDPMSGSIZE);
175}
176
177CLIENT *
178clnttcp_create(struct sockaddr_in *raddr, u_long prog, u_long vers, int *sockp,
179 u_int sendsz, u_int recvsz)
180{
181
182 return clnt_com_create(raddr, (rpcprog_t)prog, (rpcvers_t)vers, sockp,
183 sendsz, recvsz, "tcp");
184}
185
186CLIENT *
187clntraw_create(u_long prog, u_long vers)
188{
189
190 return clnt_raw_create((rpcprog_t)prog, (rpcvers_t)vers);
191}
192
193/*
194 * A common server create routine
195 */
196static SVCXPRT *
197svc_com_create(int fd, u_int sendsize, u_int recvsize, char *netid)
198{
199 struct netconfig *nconf;
200 SVCXPRT *svc;
201 int madefd = FALSE;
202 int port;
203 struct sockaddr_in sin;
204
205 if ((nconf = __rpc_getconfip(netid)) == NULL) {
206 syslog(LOG_ERR, "Could not get %s transport", netid);
207 return (NULL);
208 }
209 if (fd == RPC_ANYSOCK) {
210 fd = __rpc_nconf2fd(nconf);
211 if (fd == -1) {
212 freenetconfigent(nconf);
213 syslog(LOG_ERR,
214 "svc%s_create: could not open connection", netid);
215 return (NULL);
216 }
217 madefd = TRUE;
218 }
219
220 memset(&sin, 0, sizeof sin);
221 sin.sin_family = AF_INET;
222 bindresvport(fd, &sin);
223 _listen(fd, SOMAXCONN);
224 svc = svc_tli_create(fd, nconf, NULL, sendsize, recvsize);
225 freenetconfigent(nconf);
226 if (svc == NULL) {
227 if (madefd)
228 _close(fd);
229 return (NULL);
230 }
231 port = (((struct sockaddr_in *)svc->xp_ltaddr.buf)->sin_port);
232 svc->xp_port = ntohs(port);
233 return (svc);
234}
235
236SVCXPRT *
237svctcp_create(int fd, u_int sendsize, u_int recvsize)
238{
239
240 return svc_com_create(fd, sendsize, recvsize, "tcp");
241}
242
243SVCXPRT *
244svcudp_bufcreate(int fd, u_int sendsz, u_int recvsz)
245{
246
247 return svc_com_create(fd, sendsz, recvsz, "udp");
248}
249
250SVCXPRT *
251svcfd_create(int fd, u_int sendsize, u_int recvsize)
252{
253
254 return svc_fd_create(fd, sendsize, recvsize);
255}
256
257
258SVCXPRT *
259svcudp_create(int fd)
260{
261
262 return svc_com_create(fd, UDPMSGSIZE, UDPMSGSIZE, "udp");
263}
264
265SVCXPRT *
266svcraw_create(void)
267{
268
269 return svc_raw_create();
270}
271
272int
273get_myaddress(struct sockaddr_in *addr)
274{
275
276 memset((void *) addr, 0, sizeof(*addr));
277 addr->sin_family = AF_INET;
278 addr->sin_port = htons(PMAPPORT);
279 addr->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
280 return (0);
281}
282
283/*
284 * For connectionless "udp" transport. Obsoleted by rpc_call().
285 */
286int
287callrpc(const char *host, int prognum, int versnum, int procnum,
288 xdrproc_t inproc, void *in, xdrproc_t outproc, void *out)
289{
290
291 return (int)rpc_call(host, (rpcprog_t)prognum, (rpcvers_t)versnum,
292 (rpcproc_t)procnum, inproc, in, outproc, out, "udp");
293}
294
295/*
296 * For connectionless kind of transport. Obsoleted by rpc_reg()
297 */
298int
299registerrpc(int prognum, int versnum, int procnum, char *(*progname)(char *),
300 xdrproc_t inproc, xdrproc_t outproc)
301{
302
303 return rpc_reg((rpcprog_t)prognum, (rpcvers_t)versnum,
304 (rpcproc_t)procnum, progname, inproc, outproc, "udp");
305}
306
307/*
308 * All the following clnt_broadcast stuff is convulated; it supports
309 * the earlier calling style of the callback function
310 */
311static thread_key_t clnt_broadcast_key;
312static resultproc_t clnt_broadcast_result_main;
313
314/*
315 * Need to translate the netbuf address into sockaddr_in address.
316 * Dont care about netid here.
317 */
318/* ARGSUSED */
319static bool_t
320rpc_wrap_bcast(char *resultp, /* results of the call */
321 struct netbuf *addr, /* address of the guy who responded */
322 struct netconfig *nconf) /* Netconf of the transport */
323{
324 resultproc_t clnt_broadcast_result;
325
326 if (strcmp(nconf->nc_netid, "udp"))
327 return (FALSE);
328 if (thr_main())
329 clnt_broadcast_result = clnt_broadcast_result_main;
330 else
331 clnt_broadcast_result = (resultproc_t)thr_getspecific(clnt_broadcast_key);
332 return (*clnt_broadcast_result)(resultp,
333 (struct sockaddr_in *)addr->buf);
334}
335
336/*
337 * Broadcasts on UDP transport. Obsoleted by rpc_broadcast().
338 */
339enum clnt_stat
340clnt_broadcast(u_long prog, /* program number */
341 u_long vers, /* version number */
342 u_long proc, /* procedure number */
343 xdrproc_t xargs, /* xdr routine for args */
344 void *argsp, /* pointer to args */
345 xdrproc_t xresults, /* xdr routine for results */
346 void *resultsp, /* pointer to results */
347 resultproc_t eachresult) /* call with each result obtained */
348{
349
350 if (thr_main())
351 clnt_broadcast_result_main = eachresult;
352 else {
353 if (clnt_broadcast_key == 0) {
354 mutex_lock(&tsd_lock);
355 if (clnt_broadcast_key == 0)
356 thr_keycreate(&clnt_broadcast_key, free);
357 mutex_unlock(&tsd_lock);
358 }
359 thr_setspecific(clnt_broadcast_key, (void *) eachresult);
360 }
361 return rpc_broadcast((rpcprog_t)prog, (rpcvers_t)vers,
362 (rpcproc_t)proc, xargs, argsp, xresults, resultsp,
363 (resultproc_t) rpc_wrap_bcast, "udp");
364}
365
366/*
367 * Create the client des authentication object. Obsoleted by
368 * authdes_seccreate().
369 */
370AUTH *
371authdes_create(char *servername, /* network name of server */
372 u_int window, /* time to live */
373 struct sockaddr *syncaddr,/* optional hostaddr to sync with */
374 des_block *ckey) /* optional conversation key to use */
375{
376 AUTH *dummy;
377 AUTH *nauth;
378 char hostname[NI_MAXHOST];
379
380 if (syncaddr) {
381 /*
382 * Change addr to hostname, because that is the way
383 * new interface takes it.
384 */
385 if (getnameinfo(syncaddr, syncaddr->sa_len, hostname,
386 sizeof hostname, NULL, 0, 0) != 0)
387 goto fallback;
388
389 nauth = authdes_seccreate(servername, window, hostname, ckey);
390 return (nauth);
391 }
392fallback:
393 dummy = authdes_seccreate(servername, window, NULL, ckey);
394 return (dummy);
395}
396
397/*
398 * Create a client handle for a unix connection. Obsoleted by clnt_vc_create()
399 */
400CLIENT *
401clntunix_create(struct sockaddr_un *raddr, u_long prog, u_long vers, int *sockp,
402 u_int sendsz, u_int recvsz)
403{
404 struct netbuf *svcaddr;
405 struct netconfig *nconf;
406 CLIENT *cl;
407 int len;
408
409 cl = NULL;
410 nconf = NULL;
411 svcaddr = NULL;
412 if ((raddr->sun_len == 0) ||
413 ((svcaddr = malloc(sizeof(struct netbuf))) == NULL ) ||
414 ((svcaddr->buf = malloc(sizeof(struct sockaddr_un))) == NULL)) {
415 if (svcaddr != NULL)
416 free(svcaddr);
417 rpc_createerr.cf_stat = RPC_SYSTEMERROR;
418 rpc_createerr.cf_error.re_errno = errno;
419 return(cl);
420 }
421 if (*sockp < 0) {
422 *sockp = _socket(AF_LOCAL, SOCK_STREAM, 0);
423 len = raddr->sun_len = SUN_LEN(raddr);
424 if ((*sockp < 0) || (_connect(*sockp,
425 (struct sockaddr *)raddr, len) < 0)) {
426 rpc_createerr.cf_stat = RPC_SYSTEMERROR;
427 rpc_createerr.cf_error.re_errno = errno;
428 if (*sockp != -1)
429 _close(*sockp);
430 goto done;
431 }
432 }
433 svcaddr->buf = raddr;
434 svcaddr->len = raddr->sun_len;
435 svcaddr->maxlen = sizeof (struct sockaddr_un);
436 cl = clnt_vc_create(*sockp, svcaddr, prog,
437 vers, sendsz, recvsz);
438done:
439 free(svcaddr->buf);
440 free(svcaddr);
441 return(cl);
442}
443
444/*
445 * Creates, registers, and returns a (rpc) unix based transporter.
446 * Obsoleted by svc_vc_create().
447 */
448SVCXPRT *
449svcunix_create(int sock, u_int sendsize, u_int recvsize, char *path)
450{
451 struct netconfig *nconf;
452 void *localhandle;
453 struct sockaddr_un sun;
454 struct sockaddr *sa;
455 struct t_bind taddr;
456 SVCXPRT *xprt;
457 int addrlen;
458
2038fb68 459 xprt = NULL;
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460 localhandle = setnetconfig();
461 while ((nconf = getnetconfig(localhandle)) != NULL) {
462 if (nconf->nc_protofmly != NULL &&
463 strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)
464 break;
465 }
466 if (nconf == NULL)
467 return(xprt);
468
469 if ((sock = __rpc_nconf2fd(nconf)) < 0)
470 goto done;
471
472 memset(&sun, 0, sizeof sun);
473 sun.sun_family = AF_LOCAL;
474 if (strlcpy(sun.sun_path, path, sizeof(sun.sun_path)) >=
475 sizeof(sun.sun_path))
476 goto done;
477 sun.sun_len = SUN_LEN(&sun);
478 addrlen = sizeof (struct sockaddr_un);
479 sa = (struct sockaddr *)&sun;
480
481 if (_bind(sock, sa, addrlen) < 0)
482 goto done;
483
484 taddr.addr.len = taddr.addr.maxlen = addrlen;
485 taddr.addr.buf = malloc(addrlen);
486 if (taddr.addr.buf == NULL)
487 goto done;
488 memcpy(taddr.addr.buf, sa, addrlen);
489
490 if (nconf->nc_semantics != NC_TPI_CLTS) {
491 if (_listen(sock, SOMAXCONN) < 0) {
492 free(taddr.addr.buf);
493 goto done;
494 }
495 }
496
497 xprt = (SVCXPRT *)svc_tli_create(sock, nconf, &taddr, sendsize, recvsize);
498
499done:
500 endnetconfig(localhandle);
501 return(xprt);
502}
503
504/*
505 * Like svunix_create(), except the routine takes any *open* UNIX file
506 * descriptor as its first input. Obsoleted by svc_fd_create();
507 */
508SVCXPRT *
509svcunixfd_create(int fd, u_int sendsize, u_int recvsize)
510{
511 return (svc_fd_create(fd, sendsize, recvsize));
512}
513
514#endif /* PORTMAP */