Initial revision

1 files changed, 286 insertions, 0 deletions

diff --git a/libc/inet/rpc/getrpcent.c b/libc/inet/rpc/getrpcent.c
new file mode 100644
index 000000000..e0b7342cc
--- /dev/null
+++ b/libc/inet/rpc/getrpcent.c
@@ -0,0 +1,286 @@
+/* @(#)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();
+#ifndef linux
+static	char *index();
+#else
+char *index();
+#endif
+
+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;
+	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 *
+#ifdef linux
+getrpcbyname(const char *name)
+#else
+getrpcbyname(name)
+	char *name;
+#endif
+{
+	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);
+}
+
+#ifdef linux
+void
+#endif
+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;
+}
+
+#ifdef linux
+void
+#endif
+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));
+}
+
+#ifdef linux
+static char *
+firstwhite(s)
+char *s;
+{
+	char *s1, *s2;
+
+	s1 = index(s, ' ');
+	s2 = index(s, '\t');
+	if (s1) {
+		if (s2)
+			return (s1 < s2) ? s1 : s2;
+		else
+			return s1;
+	}
+	else
+		return s2;
+}
+#endif
+
+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';
+#ifdef linux
+	if ((cp = firstwhite(p)))
+		*cp++ = 0;
+	else
+		return (getrpcent());
+#else
+	cp = index(p, ' ');
+	if (cp == NULL)
+    {
+		cp = index(p, '\t');
+		if (cp == NULL)
+			return (getrpcent());
+	}
+	*cp++ = '\0';
+#endif
+	/* 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;
+#ifdef linux
+	if ((cp = firstwhite(cp)))
+		*cp++ = '\0';
+#else
+	cp = index(p, ' ');
+	if (cp != NULL)
+		*cp++ = '\0';
+	else
+    {
+		cp = index(p, '\t');
+		if (cp != NULL)
+			*cp++ = '\0';
+	}
+#endif
+	while (cp && *cp) {
+		if (*cp == ' ' || *cp == '\t') {
+			cp++;
+			continue;
+		}
+		if (q < &(d->rpc_aliases[MAXALIASES - 1]))
+			*q++ = cp;
+#ifdef linux
+		if ((cp = firstwhite(cp)))
+			*cp++ = '\0';
+#else
+		cp = index(p, ' ');
+		if (cp != NULL)
+			*cp++ = '\0';
+		else
+	    {
+			cp = index(p, '\t');
+			if (cp != NULL)
+				*cp++ = '\0';
+		}
+#endif
+	}
+	*q = NULL;
+	return (&d->rpc);
+}