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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sunrpc/getrpcent.c
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initial import
Diffstat (limited to 'sunrpc/getrpcent.c')
-rw-r--r--sunrpc/getrpcent.c235
1 files changed, 235 insertions, 0 deletions
diff --git a/sunrpc/getrpcent.c b/sunrpc/getrpcent.c
new file mode 100644
index 0000000..8ef6561
--- /dev/null
+++ b/sunrpc/getrpcent.c
@@ -0,0 +1,235 @@
+/* @(#)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);
+}