version 1.26, 2001/12/05 03:56:39 |
version 1.27, 2001/12/19 07:18:56 |
|
|
struct passwd *pw = authctxt->pw; |
struct passwd *pw = authctxt->pw; |
|
|
debug("Attempting authentication for %s%.100s.", |
debug("Attempting authentication for %s%.100s.", |
authctxt->valid ? "" : "illegal user ", authctxt->user); |
authctxt->valid ? "" : "illegal user ", authctxt->user); |
|
|
/* If the user has no password, accept authentication immediately. */ |
/* If the user has no password, accept authentication immediately. */ |
if (options.password_authentication && |
if (options.password_authentication && |
|
|
auth_log(authctxt, 1, "without authentication", ""); |
auth_log(authctxt, 1, "without authentication", ""); |
return; |
return; |
} |
} |
|
|
/* Indicate that authentication is needed. */ |
/* Indicate that authentication is needed. */ |
packet_start(SSH_SMSG_FAILURE); |
packet_start(SSH_SMSG_FAILURE); |
packet_send(); |
packet_send(); |
|
|
verbose("Kerberos authentication disabled."); |
verbose("Kerberos authentication disabled."); |
} else { |
} else { |
char *kdata = packet_get_string(&dlen); |
char *kdata = packet_get_string(&dlen); |
|
|
packet_integrity_check(plen, 4 + dlen, type); |
packet_integrity_check(plen, 4 + dlen, type); |
|
|
if (kdata[0] == 4) { /* KRB_PROT_VERSION */ |
if (kdata[0] == 4) { /* KRB_PROT_VERSION */ |
#ifdef KRB4 |
#ifdef KRB4 |
KTEXT_ST tkt; |
KTEXT_ST tkt; |
|
|
tkt.length = dlen; |
tkt.length = dlen; |
if (tkt.length < MAX_KTXT_LEN) |
if (tkt.length < MAX_KTXT_LEN) |
memcpy(tkt.dat, kdata, tkt.length); |
memcpy(tkt.dat, kdata, tkt.length); |
|
|
if (auth_krb4(authctxt, &tkt, &client_user)) { |
if (auth_krb4(authctxt, &tkt, &client_user)) { |
authenticated = 1; |
authenticated = 1; |
snprintf(info, sizeof(info), |
snprintf(info, sizeof(info), |
|
|
krb5_data tkt; |
krb5_data tkt; |
tkt.length = dlen; |
tkt.length = dlen; |
tkt.data = kdata; |
tkt.data = kdata; |
|
|
if (auth_krb5(authctxt, &tkt, &client_user)) { |
if (auth_krb5(authctxt, &tkt, &client_user)) { |
authenticated = 1; |
authenticated = 1; |
snprintf(info, sizeof(info), |
snprintf(info, sizeof(info), |
|
|
} |
} |
break; |
break; |
#endif /* KRB4 || KRB5 */ |
#endif /* KRB4 || KRB5 */ |
|
|
#if defined(AFS) || defined(KRB5) |
#if defined(AFS) || defined(KRB5) |
/* XXX - punt on backward compatibility here. */ |
/* XXX - punt on backward compatibility here. */ |
case SSH_CMSG_HAVE_KERBEROS_TGT: |
case SSH_CMSG_HAVE_KERBEROS_TGT: |
|
|
break; |
break; |
#endif /* AFS */ |
#endif /* AFS */ |
#endif /* AFS || KRB5 */ |
#endif /* AFS || KRB5 */ |
|
|
case SSH_CMSG_AUTH_RHOSTS: |
case SSH_CMSG_AUTH_RHOSTS: |
if (!options.rhosts_authentication) { |
if (!options.rhosts_authentication) { |
verbose("Rhosts authentication disabled."); |
verbose("Rhosts authentication disabled."); |
|
|
/* XXX - SSH.com Kerberos v5 braindeath. */ |
/* XXX - SSH.com Kerberos v5 braindeath. */ |
if ((p = strchr(user, '@')) != NULL) |
if ((p = strchr(user, '@')) != NULL) |
*p = '\0'; |
*p = '\0'; |
|
|
authctxt = authctxt_new(); |
authctxt = authctxt_new(); |
authctxt->user = user; |
authctxt->user = user; |
authctxt->style = style; |
authctxt->style = style; |