/*
- *
- * 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 1.16 2000/04/14 10:30:31 markus Exp $");
-
-#ifdef HAVE_OPENSSL
-#include <openssl/bn.h>
-#include <openssl/rsa.h>
-#include <openssl/dsa.h>
-#endif
-#ifdef HAVE_SSL
-#include <ssl/bn.h>
-#include <ssl/rsa.h>
-#include <ssl/dsa.h>
-#endif
+RCSID("$OpenBSD: hostfile.c,v 1.23 2000/12/21 15:10:16 markus Exp $");
#include "packet.h"
#include "match.h"
#include "ssh.h"
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
#include "key.h"
#include "hostfile.h"
*/
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++)
;
- /* Get number of bits. */
- if (*cp < '0' || *cp > '9')
- return 0; /* Bad bit count... */
- for (bits = 0; *cp >= '0' && *cp <= '9'; cp++)
- bits = 10 * bits + *cp - '0';
-
- if (!key_read(ret, bits, &cp))
+ if (key_read(ret, &cp) != 1)
return 0;
/* Skip trailing whitespace. */
/* 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);
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;
*/
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;
;
/* 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. */
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. */
{
FILE *f;
int success = 0;
-
if (key == NULL)
- return 1;
-
- /* Open the file for appending. */
+ return 1; /* XXX ? */
f = fopen(filename, "a");
if (!f)
return 0;
-
fprintf(f, "%s ", host);
if (key_write(key, f)) {
- fprintf(f, "\n");
success = 1;
} else {
- error("add_host_to_hostfile: saving key failed");
+ error("add_host_to_hostfile: saving key in %s failed", filename);
}
-
- /* Close the file. */
+ fprintf(f, "\n");
fclose(f);
return success;
}
andersk / openssh.git / blobdiff