=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/auth-rh-rsa.c,v retrieving revision 1.25.2.3 retrieving revision 1.26 diff -u -r1.25.2.3 -r1.26 --- src/usr.bin/ssh/Attic/auth-rh-rsa.c 2002/05/17 00:03:23 1.25.2.3 +++ src/usr.bin/ssh/Attic/auth-rh-rsa.c 2001/11/07 22:41:51 1.26 @@ -13,9 +13,10 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth-rh-rsa.c,v 1.25.2.3 2002/05/17 00:03:23 miod Exp $"); +RCSID("$OpenBSD: auth-rh-rsa.c,v 1.26 2001/11/07 22:41:51 markus Exp $"); #include "packet.h" +#include "xmalloc.h" #include "uidswap.h" #include "log.h" #include "servconf.h" @@ -25,48 +26,45 @@ #include "auth.h" #include "canohost.h" -#include "monitor_wrap.h" +/* + * Tries to authenticate the user using the .rhosts file and the host using + * its host key. Returns true if authentication succeeds. + */ -/* import */ -extern ServerOptions options; - int -auth_rhosts_rsa_key_allowed(struct passwd *pw, char *cuser, char *chost, - Key *client_host_key) +auth_rhosts_rsa(struct passwd *pw, const char *client_user, RSA *client_host_key) { + extern ServerOptions options; + const char *canonical_hostname; HostStatus host_status; + Key *client_key; + debug("Trying rhosts with RSA host authentication for client user %.100s", client_user); + + if (pw == NULL || client_host_key == NULL) + return 0; + /* Check if we would accept it using rhosts authentication. */ - if (!auth_rhosts(pw, cuser)) + if (!auth_rhosts(pw, client_user)) return 0; - host_status = check_key_in_hostfiles(pw, client_host_key, - chost, _PATH_SSH_SYSTEM_HOSTFILE, - options.ignore_user_known_hosts ? NULL : _PATH_SSH_USER_HOSTFILE); + canonical_hostname = get_canonical_hostname( + options.reverse_mapping_check); - return (host_status == HOST_OK); -} + debug("Rhosts RSA authentication: canonical host %.900s", canonical_hostname); -/* - * 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; + /* wrap the RSA key into a 'generic' key */ + client_key = key_new(KEY_RSA1); + BN_copy(client_key->rsa->e, client_host_key->e); + BN_copy(client_key->rsa->n, client_host_key->n); - debug("Trying rhosts with RSA host authentication for client user %.100s", - cuser); + host_status = check_key_in_hostfiles(pw, client_key, canonical_hostname, + _PATH_SSH_SYSTEM_HOSTFILE, + options.ignore_user_known_hosts ? NULL : _PATH_SSH_USER_HOSTFILE); - if (pw == NULL || client_host_key == NULL || - client_host_key->rsa == NULL) - return 0; + key_free(client_key); - chost = (char *)get_canonical_hostname(options.verify_reverse_mapping); - debug("Rhosts RSA authentication: canonical host %.900s", chost); - - if (!PRIVSEP(auth_rhosts_rsa_key_allowed(pw, cuser, chost, client_host_key))) { + if (host_status != HOST_OK) { 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; @@ -76,7 +74,7 @@ /* 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.", - chost); + canonical_hostname); return 0; } /* @@ -85,7 +83,7 @@ */ verbose("Rhosts with RSA host authentication accepted for %.100s, %.100s on %.700s.", - pw->pw_name, cuser, chost); + pw->pw_name, client_user, canonical_hostname); packet_send_debug("Rhosts with RSA host authentication accepted."); return 1; }