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authorBen Lindstrom <mouring@eviladmin.org>2002-03-22 01:20:32 +0000
committerBen Lindstrom <mouring@eviladmin.org>2002-03-22 01:20:32 +0000
commit186b7da2d796051dfe2c1fc3acb172aca1f06a82 (patch)
tree334e9f13a74b56ee3ff7cff7b6357779364eda9f /auth-rh-rsa.c
parentce398b2278d345707ad20b76cf2ec770188eecce (diff)
- markus@cvs.openbsd.org 2002/03/16 17:22:09
[auth-rh-rsa.c auth.h] split auth_rhosts_rsa(), ok provos@
Diffstat (limited to 'auth-rh-rsa.c')
-rw-r--r--auth-rh-rsa.c52
1 files changed, 33 insertions, 19 deletions
diff --git a/auth-rh-rsa.c b/auth-rh-rsa.c
index 397b0a55..2a88e18b 100644
--- a/auth-rh-rsa.c
+++ b/auth-rh-rsa.c
@@ -13,7 +13,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: auth-rh-rsa.c,v 1.30 2002/03/14 16:56:33 markus Exp $");
+RCSID("$OpenBSD: auth-rh-rsa.c,v 1.31 2002/03/16 17:22:09 markus Exp $");
#include "packet.h"
#include "uidswap.h"
@@ -25,37 +25,51 @@ RCSID("$OpenBSD: auth-rh-rsa.c,v 1.30 2002/03/14 16:56:33 markus Exp $");
#include "auth.h"
#include "canohost.h"
+/* import */
+extern ServerOptions options;
+
/*
* Tries to authenticate the user using the .rhosts file and the host using
* its host key. Returns true if authentication succeeds.
*/
int
-auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key)
+auth_rhosts_rsa_key_allowed(struct passwd *pw, char *cuser, char *chost,
+ Key *client_host_key)
{
- extern ServerOptions options;
- const char *canonical_hostname;
HostStatus host_status;
- debug("Trying rhosts with RSA host authentication for client user %.100s", client_user);
-
- if (pw == NULL || client_host_key == NULL || client_host_key->rsa == NULL)
- return 0;
-
/* Check if we would accept it using rhosts authentication. */
- if (!auth_rhosts(pw, client_user))
+ if (!auth_rhosts(pw, cuser))
return 0;
- canonical_hostname = get_canonical_hostname(
- options.verify_reverse_mapping);
-
- debug("Rhosts RSA authentication: canonical host %.900s", canonical_hostname);
-
host_status = check_key_in_hostfiles(pw, client_host_key,
- canonical_hostname, _PATH_SSH_SYSTEM_HOSTFILE,
+ chost, _PATH_SSH_SYSTEM_HOSTFILE,
options.ignore_user_known_hosts ? NULL : _PATH_SSH_USER_HOSTFILE);
- if (host_status != HOST_OK) {
+ return (host_status == HOST_OK);
+}
+
+/*
+ * Tries to authenticate the user using the .rhosts file and the host using
+ * its host key. Returns true if authentication succeeds.
+ */
+int
+auth_rhosts_rsa(struct passwd *pw, char *cuser, Key *client_host_key)
+{
+ char *chost;
+
+ debug("Trying rhosts with RSA host authentication for client user %.100s",
+ cuser);
+
+ if (pw == NULL || client_host_key == NULL ||
+ client_host_key->rsa == NULL)
+ return 0;
+
+ chost = (char *)get_canonical_hostname(options.verify_reverse_mapping);
+ debug("Rhosts RSA authentication: canonical host %.900s", chost);
+
+ if (!auth_rhosts_rsa_key_allowed(pw, cuser, chost, client_host_key)) {
debug("Rhosts with RSA host authentication denied: unknown or invalid host key");
packet_send_debug("Your host key cannot be verified: unknown or invalid host key.");
return 0;
@@ -65,7 +79,7 @@ auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key
/* Perform the challenge-response dialog with the client for the host key. */
if (!auth_rsa_challenge_dialog(client_host_key)) {
log("Client on %.800s failed to respond correctly to host authentication.",
- canonical_hostname);
+ chost);
return 0;
}
/*
@@ -74,7 +88,7 @@ auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key
*/
verbose("Rhosts with RSA host authentication accepted for %.100s, %.100s on %.700s.",
- pw->pw_name, client_user, canonical_hostname);
+ pw->pw_name, cuser, chost);
packet_send_debug("Rhosts with RSA host authentication accepted.");
return 1;
}