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- /* @(#)getrpcent.c 2.2 88/07/29 4.0 RPCSRC */
- #if !defined(lint) && defined(SCCSIDS)
- static char sccsid[] = "@(#)getrpcent.c 1.9 87/08/11 Copyr 1984 Sun Micro";
- #endif
-
- /*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-
- /*
- * Copyright (c) 1985 by Sun Microsystems, Inc.
- */
-
- #include <stdio.h>
- #include <sys/types.h>
- #include <rpc/rpc.h>
- #include <netdb.h>
- #include <sys/socket.h>
-
- /*
- * Internet version.
- */
- struct rpcdata {
- FILE *rpcf;
- char *current;
- int currentlen;
- int stayopen;
- #define MAXALIASES 35
- char *rpc_aliases[MAXALIASES];
- struct rpcent rpc;
- char line[BUFSIZ+1];
- char *domain;
- } *rpcdata, *_rpcdata();
-
- static struct rpcent *interpret();
- struct hostent *gethostent();
- char *inet_ntoa();
- extern char *index(); /* Changed from static by roland@gnu */
-
- static char RPCDB[] = _PATH_RPC; /* Changed from "/etc/rpc" by roland@gnu */
-
- static struct rpcdata *
- _rpcdata()
- {
- register struct rpcdata *d = rpcdata;
-
- if (d == 0) {
- d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));
- rpcdata = d;
- }
- return (d);
- }
-
- struct rpcent *
- getrpcbynumber(number)
- register int number;
- {
- register struct rpcdata *d = _rpcdata();
- register struct rpcent *p;
- int reason;
- char adrstr[16], *val = NULL;
- int vallen;
-
- if (d == 0)
- return (0);
- setrpcent(0);
- while (p = getrpcent()) {
- if (p->r_number == number)
- break;
- }
- endrpcent();
- return (p);
- }
-
- struct rpcent *
- getrpcbyname(name)
- const char *name; /* const added by roland@gnu */
- {
- struct rpcent *rpc;
- char **rp;
-
- setrpcent(0);
- while(rpc = getrpcent()) {
- if (strcmp(rpc->r_name, name) == 0)
- return (rpc);
- for (rp = rpc->r_aliases; *rp != NULL; rp++) {
- if (strcmp(*rp, name) == 0)
- return (rpc);
- }
- }
- endrpcent();
- return (NULL);
- }
-
- setrpcent(f)
- int f;
- {
- register struct rpcdata *d = _rpcdata();
-
- if (d == 0)
- return;
- if (d->rpcf == NULL)
- d->rpcf = fopen(RPCDB, "r");
- else
- rewind(d->rpcf);
- if (d->current)
- free(d->current);
- d->current = NULL;
- d->stayopen |= f;
- }
-
- endrpcent()
- {
- register struct rpcdata *d = _rpcdata();
-
- if (d == 0)
- return;
- if (d->current && !d->stayopen) {
- free(d->current);
- d->current = NULL;
- }
- if (d->rpcf && !d->stayopen) {
- fclose(d->rpcf);
- d->rpcf = NULL;
- }
- }
-
- struct rpcent *
- getrpcent()
- {
- struct rpcent *hp;
- int reason;
- char *key = NULL, *val = NULL;
- int keylen, vallen;
- register struct rpcdata *d = _rpcdata();
-
- if (d == 0)
- return(NULL);
- if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
- return (NULL);
- if (fgets(d->line, BUFSIZ, d->rpcf) == NULL)
- return (NULL);
- return interpret(d->line, strlen(d->line));
- }
-
- static struct rpcent *
- interpret(val, len)
- {
- register struct rpcdata *d = _rpcdata();
- char *p;
- register char *cp, **q;
-
- if (d == 0)
- return;
- strncpy(d->line, val, len);
- p = d->line;
- d->line[len] = '\n';
- if (*p == '#')
- return (getrpcent());
- cp = index(p, '#');
- if (cp == NULL)
- {
- cp = index(p, '\n');
- if (cp == NULL)
- return (getrpcent());
- }
- *cp = '\0';
- cp = index(p, ' ');
- if (cp == NULL)
- {
- cp = index(p, '\t');
- if (cp == NULL)
- return (getrpcent());
- }
- *cp++ = '\0';
- /* THIS STUFF IS INTERNET SPECIFIC */
- d->rpc.r_name = d->line;
- while (*cp == ' ' || *cp == '\t')
- cp++;
- d->rpc.r_number = atoi(cp);
- q = d->rpc.r_aliases = d->rpc_aliases;
- cp = index(p, ' ');
- if (cp != NULL)
- *cp++ = '\0';
- else
- {
- cp = index(p, '\t');
- if (cp != NULL)
- *cp++ = '\0';
- }
- while (cp && *cp) {
- if (*cp == ' ' || *cp == '\t') {
- cp++;
- continue;
- }
- if (q < &(d->rpc_aliases[MAXALIASES - 1]))
- *q++ = cp;
- cp = index(p, ' ');
- if (cp != NULL)
- *cp++ = '\0';
- else
- {
- cp = index(p, '\t');
- if (cp != NULL)
- *cp++ = '\0';
- }
- }
- *q = NULL;
- return (&d->rpc);
- }
-