===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/auth-rsa.c,v
retrieving revision 1.60
retrieving revision 1.60.2.2
diff -u -r1.60 -r1.60.2.2
--- src/usr.bin/ssh/Attic/auth-rsa.c	2004/06/21 17:36:31	1.60
+++ src/usr.bin/ssh/Attic/auth-rsa.c	2005/09/02 03:44:59	1.60.2.2
@@ -14,7 +14,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth-rsa.c,v 1.60 2004/06/21 17:36:31 avsm Exp $");
+RCSID("$OpenBSD: auth-rsa.c,v 1.60.2.2 2005/09/02 03:44:59 brad Exp $");
 
 #include <openssl/rsa.h>
 #include <openssl/md5.h>
@@ -33,6 +33,7 @@
 #include "hostfile.h"
 #include "monitor_wrap.h"
 #include "ssh.h"
+#include "misc.h"
 
 /* import */
 extern ServerOptions options;
@@ -49,7 +50,7 @@
  *   options bits e n comment
  * where bits, e and n are decimal numbers,
  * and comment is any string of characters up to newline.  The maximum
- * length of a line is 8000 characters.  See the documentation for a
+ * length of a line is SSH_MAX_PUBKEY_BYTES characters.  See sshd(8) for a
  * description of the options.
  */
 
@@ -152,7 +153,7 @@
 int
 auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey)
 {
-	char line[8192], *file;
+	char line[SSH_MAX_PUBKEY_BYTES], *file;
 	int allowed = 0;
 	u_int bits;
 	FILE *f;
@@ -201,12 +202,11 @@
 	 * found, perform a challenge-response dialog to verify that the
 	 * user really has the corresponding private key.
 	 */
-	while (fgets(line, sizeof(line), f)) {
+	while (read_keyfile_line(f, file, line, sizeof(line), &linenum) != -1) {
 		char *cp;
 		char *key_options;
+		int keybits;
 
-		linenum++;
-
 		/* Skip leading whitespace, empty and comment lines. */
 		for (cp = line; *cp == ' ' || *cp == '\t'; cp++)
 			;
@@ -244,7 +244,8 @@
 			continue;
 
 		/* check the real bits  */
-		if (bits != BN_num_bits(key->rsa->n))
+		keybits = BN_num_bits(key->rsa->n);
+		if (keybits < 0 || bits != (u_int)keybits)
 			logit("Warning: %s, line %lu: keysize mismatch: "
 			    "actual %d vs. announced %d.",
 			    file, linenum, BN_num_bits(key->rsa->n), bits);