From 7cc61258b3b66c62b0828fdaa234ee8ae2fee2dc Mon Sep 17 00:00:00 2001
From: millert <>
Date: Mon, 16 Mar 1998 05:07:02 +0000
Subject: Use fgetln(3) instead of fgets(3) so we can easily recognize lines
 that are too long and ignore them instead of corrupting later entries.

---
 src/lib/libc/net/getnetent.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

(limited to 'src/lib/libc/net/getnetent.c')

diff --git a/src/lib/libc/net/getnetent.c b/src/lib/libc/net/getnetent.c
index e40fb50c0f..8f618a1d5e 100644
--- a/src/lib/libc/net/getnetent.c
+++ b/src/lib/libc/net/getnetent.c
@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: getnetent.c,v 1.7 1997/04/24 08:37:09 tholo Exp $";
+static char rcsid[] = "$OpenBSD: getnetent.c,v 1.8 1998/03/16 05:06:57 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -75,21 +75,24 @@ endnetent()
 struct netent *
 getnetent()
 {
-	char *p;
-	register char *cp, **q;
+	char *p, *cp, **q;
+	size_t len;
 
 	if (netf == NULL && (netf = fopen(_PATH_NETWORKS, "r" )) == NULL)
 		return (NULL);
 again:
-	p = fgets(line, BUFSIZ, netf);
-	if (p == NULL)
+	if ((p = fgetln(netf, &len)) == NULL)
 		return (NULL);
-	if (*p == '#')
+	if (p[len-1] == '\n')
+		len--;
+	if (len >= sizeof(line) || len == 0)
 		goto again;
-	cp = strpbrk(p, "#\n");
-	if (cp == NULL)
+	p = memcpy(line, p, len);
+	line[len] = '\0';
+	if (*p == '#')
 		goto again;
-	*cp = '\0';
+	if ((cp = strchr(p, '#')) != NULL)
+		*cp = '\0';
 	net.n_name = p;
 	if (strlen(net.n_name) >= MAXHOSTNAMELEN-1)
 		net.n_name[MAXHOSTNAMELEN-1] = '\0';
-- 
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