1 files changed, 11 insertions, 8 deletions

diff --git a/crypto/openssh/openbsd-compat/realpath.c b/crypto/openssh/openbsd-compat/realpath.c
index b9035ca229fbd..77da14e7c246d 100644
--- a/crypto/openssh/openbsd-compat/realpath.c
+++ b/crypto/openssh/openbsd-compat/realpath.c
@@ -13,6 +13,9 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
@@ -32,7 +35,7 @@
 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: realpath.c,v 1.7 2002/05/24 21:22:37 deraadt Exp $";
+static char *rcsid = "$OpenBSD: realpath.c,v 1.10 2003/08/01 21:04:59 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/param.h>
@@ -62,7 +65,7 @@ char *
 realpath(const char *path, char *resolved)
 {
 	struct stat sb;
-	int fd, n, rootd, serrno = 0;
+	int fd, n, needslash, serrno = 0;
 	char *p, *q, wbuf[MAXPATHLEN], start[MAXPATHLEN];
 	int symlinks = 0;
 
@@ -138,18 +141,18 @@ loop:
 	 * happens if the last component is empty, or the dirname is root.
 	 */
 	if (resolved[0] == '/' && resolved[1] == '\0')
-		rootd = 1;
+		needslash = 0;
 	else
-		rootd = 0;
+		needslash = 1;
 
 	if (*wbuf) {
-		if (strlen(resolved) + strlen(wbuf) + rootd + 1 > MAXPATHLEN) {
+		if (strlen(resolved) + strlen(wbuf) + needslash >= MAXPATHLEN) {
 			serrno = ENAMETOOLONG;
 			goto err1;
 		}
-		if (rootd == 0)
-			(void)strcat(resolved, "/");
-		(void)strcat(resolved, wbuf);
+		if (needslash == 0)
+			strlcat(resolved, "/", MAXPATHLEN);
+		strlcat(resolved, wbuf, MAXPATHLEN);
 	}
 
 	/* Go back to where we came from. */