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-rw-r--r--c/src/librpc/src/rpc/getrpcent.c303
1 files changed, 303 insertions, 0 deletions
diff --git a/c/src/librpc/src/rpc/getrpcent.c b/c/src/librpc/src/rpc/getrpcent.c
index e69de29bb2..bdcf7172cb 100644
--- a/c/src/librpc/src/rpc/getrpcent.c
+++ b/c/src/librpc/src/rpc/getrpcent.c
@@ -0,0 +1,303 @@
+/*
+ * 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 or with the express written consent of
+ * Sun Microsystems, Inc.
+ *
+ * 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
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+/*static char *sccsid = "from: @(#)getrpcent.c 1.14 91/03/11 Copyr 1984 Sun Micro";*/
+static char *rcsid = "$FreeBSD: src/lib/libc/rpc/getrpcent.c,v 1.10 1999/08/28 00:00:39 peter Exp $";
+#endif
+
+/*
+ * Copyright (c) 1984 by Sun Microsystems, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#ifdef YP
+#include <rpcsvc/yp_prot.h>
+#include <rpcsvc/ypclnt.h>
+#endif
+
+/*
+ * Internet version.
+ */
+struct rpcdata {
+ FILE *rpcf;
+ int stayopen;
+#define MAXALIASES 35
+ char *rpc_aliases[MAXALIASES];
+ struct rpcent rpc;
+ char line[BUFSIZ+1];
+#ifdef YP
+ char *domain;
+ char *current;
+ int currentlen;
+#endif
+} *rpcdata;
+
+#ifdef YP
+static int __yp_nomap = 0;
+extern int _yp_check(char **);
+#endif /* YP */
+
+static struct rpcent *interpret();
+struct hostent *gethostent();
+char *inet_ntoa();
+
+static char RPCDB[] = "/etc/rpc";
+
+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;
+#ifdef YP
+ int reason;
+ char adrstr[16];
+#endif
+
+ if (d == 0)
+ return (0);
+#ifdef YP
+ if (!__yp_nomap && _yp_check(&d->domain)) {
+ sprintf(adrstr, "%d", number);
+ reason = yp_match(d->domain, "rpc.bynumber", adrstr, strlen(adrstr),
+ &d->current, &d->currentlen);
+ switch(reason) {
+ case 0:
+ break;
+ case YPERR_MAP:
+ __yp_nomap = 1;
+ goto no_yp;
+ break;
+ default:
+ return(0);
+ break;
+ }
+ d->current[d->currentlen] = '\0';
+ p = interpret(d->current, d->currentlen);
+ (void) free(d->current);
+ return p;
+ }
+no_yp:
+#endif /* YP */
+ setrpcent(0);
+ while ((p = getrpcent())) {
+ if (p->r_number == number)
+ break;
+ }
+ endrpcent();
+ return (p);
+}
+
+struct rpcent *
+getrpcbyname(name)
+ char *name;
+{
+ struct rpcent *rpc = NULL;
+ char **rp;
+
+ setrpcent(0);
+ while ((rpc = getrpcent())) {
+ if (strcmp(rpc->r_name, name) == 0)
+ goto done;
+ for (rp = rpc->r_aliases; *rp != NULL; rp++) {
+ if (strcmp(*rp, name) == 0)
+ goto done;
+ }
+ }
+done:
+ endrpcent();
+ return (rpc);
+}
+
+void
+setrpcent(f)
+ int f;
+{
+ register struct rpcdata *d = _rpcdata();
+
+ if (d == 0)
+ return;
+#ifdef YP
+ if (!__yp_nomap && _yp_check(NULL)) {
+ if (d->current)
+ free(d->current);
+ d->current = NULL;
+ d->currentlen = 0;
+ return;
+ }
+ __yp_nomap = 0;
+#endif /* YP */
+ if (d->rpcf == NULL)
+ d->rpcf = fopen(RPCDB, "r");
+ else
+ rewind(d->rpcf);
+ d->stayopen |= f;
+}
+
+void
+endrpcent()
+{
+ register struct rpcdata *d = _rpcdata();
+
+ if (d == 0)
+ return;
+#ifdef YP
+ if (!__yp_nomap && _yp_check(NULL)) {
+ if (d->current && !d->stayopen)
+ free(d->current);
+ d->current = NULL;
+ d->currentlen = 0;
+ return;
+ }
+ __yp_nomap = 0;
+#endif /* YP */
+ if (d->rpcf && !d->stayopen) {
+ fclose(d->rpcf);
+ d->rpcf = NULL;
+ }
+}
+
+struct rpcent *
+getrpcent()
+{
+ register struct rpcdata *d = _rpcdata();
+#ifdef YP
+ struct rpcent *hp;
+ int reason;
+ char *val = NULL;
+ int vallen;
+#endif
+
+ if (d == 0)
+ return(NULL);
+#ifdef YP
+ if (!__yp_nomap && _yp_check(&d->domain)) {
+ if (d->current == NULL && d->currentlen == 0) {
+ reason = yp_first(d->domain, "rpc.bynumber",
+ &d->current, &d->currentlen,
+ &val, &vallen);
+ } else {
+ reason = yp_next(d->domain, "rpc.bynumber",
+ d->current, d->currentlen,
+ &d->current, &d->currentlen,
+ &val, &vallen);
+ }
+ switch(reason) {
+ case 0:
+ break;
+ case YPERR_MAP:
+ __yp_nomap = 1;
+ goto no_yp;
+ break;
+ default:
+ return(0);
+ break;
+ }
+ val[vallen] = '\0';
+ hp = interpret(val, vallen);
+ (void) free(val);
+ return hp;
+ }
+no_yp:
+#endif /* YP */
+ if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
+ return (NULL);
+ /* -1 so there is room to append a \n below */
+ if (fgets(d->line, BUFSIZ - 1, d->rpcf) == NULL)
+ return (NULL);
+ return (interpret(d->line, strlen(d->line)));
+}
+
+static struct rpcent *
+interpret(val, len)
+ char *val;
+ int len;
+{
+ register struct rpcdata *d = _rpcdata();
+ char *p;
+ register char *cp, **q;
+
+ if (d == 0)
+ return (0);
+ (void) strncpy(d->line, val, BUFSIZ);
+ d->line[BUFSIZ] = '\0';
+ p = d->line;
+ p[len] = '\n';
+ if (*p == '#')
+ return (getrpcent());
+ cp = strpbrk(p, "#\n");
+ if (cp == NULL)
+ return (getrpcent());
+ *cp = '\0';
+ cp = strpbrk(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 = strpbrk(cp, " \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 = strpbrk(cp, " \t");
+ if (cp != NULL)
+ *cp++ = '\0';
+ }
+ *q = NULL;
+ return (&d->rpc);
+}
+
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