=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/auth-rh-rsa.c,v retrieving revision 1.30 retrieving revision 1.31 diff -u -r1.30 -r1.31 --- src/usr.bin/ssh/Attic/auth-rh-rsa.c 2002/03/14 16:56:33 1.30 +++ src/usr.bin/ssh/Attic/auth-rh-rsa.c 2002/03/16 17:22:09 1.31 @@ -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 @@ #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 @@ /* 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 @@ */ 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; }