X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/a306f2dd74b7488671decc385f82830c98f4a0d3..1e3b8b0749ec6793df5d8a9aca41ad4cae79bd4a:/hostfile.c

diff --git a/hostfile.c b/hostfile.c
index e1c2429b..1c3fb22a 100644
--- a/hostfile.c
+++ b/hostfile.c
@@ -1,20 +1,42 @@
 /*
- *
- * hostfile.c
- *
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
- *
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
  *                    All rights reserved
+ * Functions for manipulating the known hosts files.
  *
- * Created: Thu Jun 29 07:10:56 1995 ylo
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose.  Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
  *
- * Functions for manipulating the known hosts files.
  *
+ * Copyright (c) 1999,2000 Markus Friedl.  All rights reserved.
+ * Copyright (c) 1999 Niels Provos.  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: hostfile.c,v 1.17 2000/04/26 20:56:29 markus Exp $");
+RCSID("$OpenBSD: hostfile.c,v 1.23 2000/12/21 15:10:16 markus Exp $");
 
 #include "packet.h"
 #include "match.h"
@@ -30,17 +52,15 @@ RCSID("$OpenBSD: hostfile.c,v 1.17 2000/04/26 20:56:29 markus Exp $");
  */
 
 int
-hostfile_read_key(char **cpp, unsigned int *bitsp, Key *ret)
+hostfile_read_key(char **cpp, u_int *bitsp, Key *ret)
 {
-	unsigned int bits;
 	char *cp;
 
 	/* Skip leading whitespace. */
 	for (cp = *cpp; *cp == ' ' || *cp == '\t'; cp++)
 		;
 
-	bits = key_read(ret, &cp);
-	if (bits == 0)
+	if (key_read(ret, &cp) != 1)
 		return 0;
 
 	/* Skip trailing whitespace. */
@@ -49,14 +69,14 @@ hostfile_read_key(char **cpp, unsigned int *bitsp, Key *ret)
 
 	/* Return results. */
 	*cpp = cp;
-	*bitsp = bits;
+	*bitsp = key_size(ret);
 	return 1;
 }
 
 int
-auth_rsa_read_key(char **cpp, unsigned int *bitsp, BIGNUM * e, BIGNUM * n)
+auth_rsa_read_key(char **cpp, u_int *bitsp, BIGNUM * e, BIGNUM * n)
 {
-	Key *k = key_new(KEY_RSA);
+	Key *k = key_new(KEY_RSA1);
 	int ret = hostfile_read_key(cpp, bitsp, k);
 	BN_copy(e, k->rsa->e);
 	BN_copy(n, k->rsa->n);
@@ -67,13 +87,13 @@ auth_rsa_read_key(char **cpp, unsigned int *bitsp, BIGNUM * e, BIGNUM * n)
 int
 hostfile_check_key(int bits, Key *key, const char *host, const char *filename, int linenum)
 {
-	if (key == NULL || key->type != KEY_RSA || key->rsa == NULL)
+	if (key == NULL || key->type != KEY_RSA1 || key->rsa == NULL)
 		return 1;
 	if (bits != BN_num_bits(key->rsa->n)) {
-		error("Warning: %s, line %d: keysize mismatch for host %s: "
+		log("Warning: %s, line %d: keysize mismatch for host %s: "
 		    "actual %d vs. announced %d.",
 		    filename, linenum, host, BN_num_bits(key->rsa->n), bits);
-		error("Warning: replace %d with %d in %s, line %d.",
+		log("Warning: replace %d with %d in %s, line %d.",
 		    bits, BN_num_bits(key->rsa->n), filename, linenum);
 	}
 	return 1;
@@ -87,12 +107,13 @@ hostfile_check_key(int bits, Key *key, const char *host, const char *filename, i
  */
 
 HostStatus
-check_host_in_hostfile(const char *filename, const char *host, Key *key, Key *found)
+check_host_in_hostfile(const char *filename, const char *host, Key *key,
+    Key *found, int *numret)
 {
 	FILE *f;
 	char line[8192];
 	int linenum = 0;
-	unsigned int kbits, hostlen;
+	u_int kbits, hostlen;
 	char *cp, *cp2;
 	HostStatus end_return;
 
@@ -129,7 +150,7 @@ check_host_in_hostfile(const char *filename, const char *host, Key *key, Key *fo
 			;
 
 		/* Check if the host name matches. */
-		if (!match_hostname(host, cp, (unsigned int) (cp2 - cp)))
+		if (match_hostname(host, cp, (u_int) (cp2 - cp)) != 1)
 			continue;
 
 		/* Got a match.  Skip host name. */
@@ -144,6 +165,9 @@ check_host_in_hostfile(const char *filename, const char *host, Key *key, Key *fo
 		if (!hostfile_check_key(kbits, found, host, filename, linenum))
 			continue;
 
+		if (numret != NULL)
+			*numret = linenum;
+
 		/* Check if the current key is the same as the given key. */
 		if (key_equal(key, found)) {
 			/* Ok, they match. */