From b9be60a722a8ae24affe68e07ef8557d00992648 Mon Sep 17 00:00:00 2001
From: Ben Lindstrom <mouring@eviladmin.org>
Date: Sun, 11 Mar 2001 01:49:19 +0000
Subject:    - markus@cvs.openbsd.org 2001/03/10 17:51:04      [kex.c match.c
 match.h readconf.c readconf.h sshconnect2.c]      add
 PreferredAuthentications

---
 match.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 68 insertions(+), 1 deletion(-)

(limited to 'match.c')

diff --git a/match.c b/match.c
index 81030da6..ebb562ab 100644
--- a/match.c
+++ b/match.c
@@ -10,11 +10,35 @@
  * incompatible with the protocol description in the RFC file, it must be
  * called by a name other than "ssh" or "Secure Shell".
  */
+/*
+ * Copyright (c) 2000 Markus Friedl.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #include "includes.h"
-RCSID("$OpenBSD: match.c,v 1.11 2001/01/21 19:05:52 markus Exp $");
+RCSID("$OpenBSD: match.c,v 1.12 2001/03/10 17:51:04 markus Exp $");
 
 #include "match.h"
+#include "xmalloc.h"
 
 /*
  * Returns true if the given string matches the pattern (which may contain ?
@@ -137,3 +161,46 @@ match_hostname(const char *host, const char *pattern, u_int len)
 	 */
 	return got_positive;
 }
+
+
+#define	MAX_PROP	20
+#define	SEP	","
+char *
+match_list(const char *client, const char *server, u_int *next)
+{
+	char *sproposals[MAX_PROP];
+	char *c, *s, *p, *ret, *cp, *sp;
+	int i, j, nproposals;
+
+	c = cp = xstrdup(client);
+	s = sp = xstrdup(server);
+
+	for ((p = strsep(&sp, SEP)), i=0; p && *p != '\0';
+	     (p = strsep(&sp, SEP)), i++) {
+		if (i < MAX_PROP)
+			sproposals[i] = p;
+		else
+			break;
+	}
+	nproposals = i;
+
+	for ((p = strsep(&cp, SEP)), i=0; p && *p != '\0';
+	     (p = strsep(&cp, SEP)), i++) {
+		for (j = 0; j < nproposals; j++) {
+			if (strcmp(p, sproposals[j]) == 0) {
+				ret = xstrdup(p);
+				if (next != NULL)
+					*next = (cp == NULL) ?
+					    strlen(c) : cp - c;
+				xfree(c);
+				xfree(s);
+				return ret;
+			}
+		}
+	}
+	if (next != NULL)
+		*next = strlen(c);
+	xfree(c);
+	xfree(s);
+	return NULL;
+}
-- 
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