split out backend ntlm server processing
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20579 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
@@ -39,284 +39,20 @@ RCSID("$Id$");
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*
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*/
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static OM_uint32
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handle_type2(OM_uint32 *minor_status,
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ntlm_ctx ctx,
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uint32_t flags,
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const char *hostname,
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const char *domain,
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gss_buffer_t output_token)
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{
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krb5_error_code ret;
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struct ntlm_type2 type2;
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krb5_data challange;
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struct ntlm_buf data;
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krb5_data ti;
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memset(&type2, 0, sizeof(type2));
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/*
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* Request data for type 2 packet from the KDC.
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*/
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ret = krb5_ntlm_init_request(ctx->context,
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ctx->ntlm,
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NULL,
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ctx->id,
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flags,
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hostname,
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domain);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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/*
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*
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*/
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ret = krb5_ntlm_init_get_opaque(ctx->context, ctx->ntlm, &ctx->opaque);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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/*
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*
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*/
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ret = krb5_ntlm_init_get_flags(ctx->context, ctx->ntlm, &type2.flags);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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ctx->flags = type2.flags;
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ret = krb5_ntlm_init_get_challange(ctx->context, ctx->ntlm, &challange);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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if (challange.length != sizeof(type2.challange)) {
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*minor_status = EINVAL;
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return GSS_S_FAILURE;
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}
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memcpy(type2.challange, challange.data, sizeof(type2.challange));
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krb5_data_free(&challange);
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ret = krb5_ntlm_init_get_targetname(ctx->context, ctx->ntlm,
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&type2.targetname);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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ret = krb5_ntlm_init_get_targetinfo(ctx->context, ctx->ntlm, &ti);
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if (ret) {
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free(type2.targetname);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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type2.targetinfo.data = ti.data;
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type2.targetinfo.length = ti.length;
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ret = heim_ntlm_encode_type2(&type2, &data);
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free(type2.targetname);
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krb5_data_free(&ti);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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output_token->value = data.data;
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output_token->length = data.length;
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return GSS_S_COMPLETE;
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}
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static OM_uint32
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handle_type3(OM_uint32 *minor_status,
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ntlm_ctx ctx,
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struct ntlm_type3 *type3)
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{
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krb5_error_code ret;
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if (type3->username == NULL || type3->targetname == NULL ||
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type3->ntlm.length == 0)
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{
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ret = EINVAL;
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goto out;
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}
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ret = krb5_ntlm_req_set_flags(ctx->context, ctx->ntlm, type3->flags);
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if (ret) goto out;
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ret = krb5_ntlm_req_set_username(ctx->context, ctx->ntlm, type3->username);
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if (ret) goto out;
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ret = krb5_ntlm_req_set_targetname(ctx->context, ctx->ntlm,
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type3->targetname);
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if (ret) goto out;
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ret = krb5_ntlm_req_set_lm(ctx->context, ctx->ntlm,
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type3->lm.data, type3->lm.length);
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if (ret) goto out;
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ret = krb5_ntlm_req_set_ntlm(ctx->context, ctx->ntlm,
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type3->ntlm.data, type3->ntlm.length);
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if (ret) goto out;
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ret = krb5_ntlm_req_set_opaque(ctx->context, ctx->ntlm, &ctx->opaque);
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if (ret) goto out;
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if (type3->sessionkey.length) {
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ret = krb5_ntlm_req_set_session(ctx->context, ctx->ntlm,
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type3->sessionkey.data,
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type3->sessionkey.length);
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if (ret) goto out;
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}
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/*
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* Verify with the KDC the type3 packet is ok
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*/
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ret = krb5_ntlm_request(ctx->context,
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ctx->ntlm,
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NULL,
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ctx->id);
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if (ret)
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goto out;
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if (krb5_ntlm_rep_get_status(ctx->context, ctx->ntlm) != TRUE) {
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ret = EINVAL;
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goto out;
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}
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ret = krb5_ntlm_rep_get_sessionkey(ctx->context,
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ctx->ntlm,
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&ctx->sessionkey);
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if (ret == 0) {
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if (ctx->sessionkey.length != 16) {
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ret = EINVAL;
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goto out;
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}
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ctx->status |= STATUS_SESSIONKEY;
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if (ctx->flags & NTLM_NEG_NTLM2_SESSION) {
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_gss_ntlm_set_key(&ctx->u.v2.send, 1, (ctx->flags & NTLM_NEG_KEYEX),
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ctx->sessionkey.data,
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ctx->sessionkey.length);
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_gss_ntlm_set_key(&ctx->u.v2.recv, 0, (ctx->flags & NTLM_NEG_KEYEX),
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ctx->sessionkey.data,
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ctx->sessionkey.length);
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} else {
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RC4_set_key(&ctx->u.v1.crypto_send.key,
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ctx->sessionkey.length,
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ctx->sessionkey.data);
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RC4_set_key(&ctx->u.v1.crypto_recv.key,
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ctx->sessionkey.length,
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ctx->sessionkey.data);
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}
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}
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return GSS_S_COMPLETE;
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out:
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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/*
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* Get credential cache that the ntlm code can use to talk to the KDC
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* using the digest API.
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*/
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static krb5_error_code
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get_ccache(krb5_context context, krb5_ccache *id)
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{
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krb5_principal principal = NULL;
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krb5_error_code ret;
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krb5_keytab kt;
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*id = NULL;
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if (!issuid()) {
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const char *cache;
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cache = getenv("NTLM_ACCEPTOR_CCACHE");
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if (cache) {
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ret = krb5_cc_resolve(context, cache, id);
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if (ret)
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goto out;
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return 0;
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}
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}
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ret = krb5_sname_to_principal(context, NULL, "host",
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KRB5_NT_SRV_HST, &principal);
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if (ret)
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goto out;
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ret = krb5_cc_cache_match(context, principal, NULL, id);
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if (ret == 0)
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goto out;
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/* did not find in default credcache, lets try default keytab */
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ret = krb5_kt_default(context, &kt);
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if (ret)
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goto out;
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/* XXX check in keytab */
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#if 0
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{
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krb5_creds cred = NULL;
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ret = krb5_get_init_creds_keytab (context,
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&cred,
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principal,
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kt,
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NULL,
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NULL,
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NULL);
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if (ret)
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goto out;
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ret = krb5_cc_initialize (context, ccache, cred.client);
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ret = krb5_cc_store_cred (context, ccache, &cred);
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krb5_free_cred_contents (context, &cred);
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}
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#endif
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krb5_kt_close(context, kt);
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out:
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if (principal)
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krb5_free_principal(context, principal);
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return ret;
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}
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OM_uint32
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_gss_ntlm_allocate_ctx(OM_uint32 *minor_status, ntlm_ctx *ctx)
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{
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krb5_error_code ret;
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OM_uint32 maj_stat;
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/* krb5_error_code ret; */
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*ctx = calloc(1, sizeof(**ctx));
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ret = krb5_init_context(&(*ctx)->context);
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if (ret) {
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gss_ctx_id_t context = (gss_ctx_id_t)*ctx;
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_gss_ntlm_delete_sec_context(minor_status, &context, NULL);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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(*ctx)->server = &ntlmsspi_kdc_digest;
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ret = get_ccache((*ctx)->context, &(*ctx)->id);
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if (ret) {
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gss_ctx_id_t context = (gss_ctx_id_t)*ctx;
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_gss_ntlm_delete_sec_context(minor_status, &context, NULL);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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maj_stat = (*(*ctx)->server->nsi_init)(minor_status, &(*ctx)->ictx);
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if (maj_stat != GSS_S_COMPLETE)
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return maj_stat;
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ret = krb5_ntlm_alloc((*ctx)->context, &(*ctx)->ntlm);
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if (ret) {
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gss_ctx_id_t context = (gss_ctx_id_t)*ctx;
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_gss_ntlm_delete_sec_context(minor_status, &context, NULL);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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return GSS_S_COMPLETE;
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}
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@@ -368,6 +104,8 @@ _gss_ntlm_accept_sec_context
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if (*context_handle == GSS_C_NO_CONTEXT) {
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struct ntlm_type1 type1;
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OM_uint32 major_status;
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OM_uint32 retflags;
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struct ntlm_buf out;
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major_status = _gss_ntlm_allocate_ctx(minor_status, &ctx);
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if (major_status)
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@@ -391,27 +129,41 @@ _gss_ntlm_accept_sec_context
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}
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if (type1.flags & NTLM_NEG_SIGN)
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ctx->flags |= GSS_C_CONF_FLAG;
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ctx->gssflags |= GSS_C_CONF_FLAG;
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if (type1.flags & NTLM_NEG_SIGN)
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ctx->flags |= GSS_C_INTEG_FLAG;
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ctx->gssflags |= GSS_C_INTEG_FLAG;
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major_status = handle_type2(minor_status,
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ctx,
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type1.flags,
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type1.hostname,
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type1.domain,
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output_token);
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major_status = (*ctx->server->nsi_type2)(minor_status,
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ctx->ictx,
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type1.flags,
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type1.hostname,
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type1.domain,
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&retflags,
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&out);
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heim_ntlm_free_type1(&type1);
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if (major_status != GSS_S_COMPLETE) {
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_gss_ntlm_delete_sec_context(minor_status,
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context_handle, NULL);
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OM_uint32 junk;
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_gss_ntlm_delete_sec_context(&junk, context_handle, NULL);
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return major_status;
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}
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output_token->value = malloc(out.length);
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if (output_token->value == NULL) {
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OM_uint32 junk;
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_gss_ntlm_delete_sec_context(&junk, context_handle, NULL);
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*minor_status = ENOMEM;
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return GSS_S_FAILURE;
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}
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memcpy(output_token->value, out.data, out.length);
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output_token->length = out.length;
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ctx->flags = retflags;
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return GSS_S_CONTINUE_NEEDED;
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} else {
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OM_uint32 maj_stat;
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struct ntlm_type3 type3;
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struct ntlm_buf session;
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ctx = (ntlm_ctx)*context_handle;
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@@ -420,20 +172,42 @@ _gss_ntlm_accept_sec_context
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ret = heim_ntlm_decode_type3(&data, 1, &type3);
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if (ret) {
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_gss_ntlm_delete_sec_context(minor_status,
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context_handle, NULL);
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_gss_ntlm_delete_sec_context(minor_status, context_handle, NULL);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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maj_stat = handle_type3(minor_status, ctx, &type3);
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if (maj_stat != GSS_S_COMPLETE) {
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OM_uint32 junk;
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_gss_ntlm_delete_sec_context(&junk, context_handle, NULL);
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return maj_stat;
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maj_stat = (*ctx->server->nsi_type3)(minor_status,
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ctx->ictx,
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&type3,
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&session);
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heim_ntlm_free_type3(&type3);
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ret = krb5_data_copy(&ctx->sessionkey,
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session.data, session.length);
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if (ret) {
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_gss_ntlm_delete_sec_context(minor_status, context_handle, NULL);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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heim_ntlm_free_type3(&type3);
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ctx->status |= STATUS_SESSIONKEY;
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if (ctx->flags & NTLM_NEG_NTLM2_SESSION) {
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_gss_ntlm_set_key(&ctx->u.v2.send, 1, (ctx->flags & NTLM_NEG_KEYEX),
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ctx->sessionkey.data,
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ctx->sessionkey.length);
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_gss_ntlm_set_key(&ctx->u.v2.recv, 0, (ctx->flags & NTLM_NEG_KEYEX),
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ctx->sessionkey.data,
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ctx->sessionkey.length);
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} else {
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RC4_set_key(&ctx->u.v1.crypto_send.key,
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ctx->sessionkey.length,
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ctx->sessionkey.data);
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RC4_set_key(&ctx->u.v1.crypto_recv.key,
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ctx->sessionkey.length,
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ctx->sessionkey.data);
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}
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if (mech_type)
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*mech_type = GSS_NTLM_MECHANISM;
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@@ -442,6 +216,9 @@ _gss_ntlm_accept_sec_context
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ctx->status |= STATUS_OPEN;
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if (ret_flags)
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*ret_flags = ctx->gssflags;
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return GSS_S_COMPLETE;
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||||
}
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||||
}
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|
@@ -46,10 +46,12 @@ OM_uint32 _gss_ntlm_acquire_cred
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OM_uint32 * time_rec
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)
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||||
{
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||||
#if 0
|
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OM_uint32 major_status;
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krb5_error_code ret;
|
||||
ntlm_ctx ctx;
|
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ntlm_name name = (ntlm_name)desired_name;
|
||||
#endif
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||||
|
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*minor_status = 0;
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||||
if (output_cred_handle)
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||||
@@ -59,6 +61,7 @@ OM_uint32 _gss_ntlm_acquire_cred
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||||
if (time_rec)
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*time_rec = GSS_C_INDEFINITE;
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||||
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||||
#if 0 /* XXX */
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major_status = _gss_ntlm_allocate_ctx(minor_status, &ctx);
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if (major_status != GSS_S_COMPLETE)
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return GSS_S_FAILURE;
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@@ -80,6 +83,7 @@ OM_uint32 _gss_ntlm_acquire_cred
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_gss_ntlm_delete_sec_context(minor_status, &context, NULL);
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*minor_status = 0;
|
||||
}
|
||||
#endif
|
||||
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||||
return (GSS_S_COMPLETE);
|
||||
}
|
||||
|
@@ -45,20 +45,16 @@ OM_uint32 _gss_ntlm_delete_sec_context
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||||
ntlm_ctx ctx = (ntlm_ctx)*context_handle;
|
||||
*context_handle = GSS_C_NO_CONTEXT;
|
||||
|
||||
if (ctx->id)
|
||||
krb5_cc_close(ctx->context, ctx->id);
|
||||
if (ctx->server)
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(*ctx->server->nsi_destroy)(minor_status, ctx->ictx);
|
||||
|
||||
if (ctx->context) {
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krb5_ntlm_free(ctx->context, ctx->ntlm);
|
||||
krb5_free_context(ctx->context);
|
||||
if (ctx->client.username)
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||||
free(ctx->client.username);
|
||||
if (ctx->client.key.data) {
|
||||
memset(ctx->client.key.data, 0, ctx->client.key.length);
|
||||
free(ctx->client.key.data);
|
||||
}
|
||||
if (ctx->username)
|
||||
free(ctx->username);
|
||||
if (ctx->key.data) {
|
||||
memset(ctx->key.data, 0, ctx->key.length);
|
||||
free(ctx->key.data);
|
||||
}
|
||||
krb5_data_free(&ctx->opaque);
|
||||
|
||||
memset(ctx, 0, sizeof(*ctx));
|
||||
free(ctx);
|
||||
}
|
||||
|
362
lib/gssapi/ntlm/digest.c
Normal file
362
lib/gssapi/ntlm/digest.c
Normal file
@@ -0,0 +1,362 @@
|
||||
/*
|
||||
* Copyright (c) 2006 - 2007 Kungliga Tekniska H<>gskolan
|
||||
* (Royal Institute of Technology, Stockholm, Sweden).
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the Institute nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "ntlm/ntlm.h"
|
||||
|
||||
RCSID("$Id$");
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
struct ntlmkrb5 {
|
||||
krb5_context context;
|
||||
krb5_ntlm ntlm;
|
||||
krb5_realm kerberos_realm;
|
||||
krb5_ccache id;
|
||||
krb5_data opaque;
|
||||
OM_uint32 flags;
|
||||
struct ntlm_buf key;
|
||||
krb5_data sessionkey;
|
||||
};
|
||||
|
||||
/*
|
||||
* Get credential cache that the ntlm code can use to talk to the KDC
|
||||
* using the digest API.
|
||||
*/
|
||||
|
||||
static krb5_error_code
|
||||
get_ccache(krb5_context context, krb5_ccache *id)
|
||||
{
|
||||
krb5_principal principal = NULL;
|
||||
krb5_error_code ret;
|
||||
krb5_keytab kt;
|
||||
|
||||
*id = NULL;
|
||||
|
||||
if (!issuid()) {
|
||||
const char *cache;
|
||||
|
||||
cache = getenv("NTLM_ACCEPTOR_CCACHE");
|
||||
if (cache) {
|
||||
ret = krb5_cc_resolve(context, cache, id);
|
||||
if (ret)
|
||||
goto out;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
ret = krb5_sname_to_principal(context, NULL, "host",
|
||||
KRB5_NT_SRV_HST, &principal);
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
ret = krb5_cc_cache_match(context, principal, NULL, id);
|
||||
if (ret == 0)
|
||||
goto out;
|
||||
|
||||
/* did not find in default credcache, lets try default keytab */
|
||||
ret = krb5_kt_default(context, &kt);
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
/* XXX check in keytab */
|
||||
#if 0
|
||||
{
|
||||
krb5_creds cred = NULL;
|
||||
|
||||
ret = krb5_get_init_creds_keytab (context,
|
||||
&cred,
|
||||
principal,
|
||||
kt,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL);
|
||||
if (ret)
|
||||
goto out;
|
||||
ret = krb5_cc_initialize (context, ccache, cred.client);
|
||||
ret = krb5_cc_store_cred (context, ccache, &cred);
|
||||
krb5_free_cred_contents (context, &cred);
|
||||
}
|
||||
#endif
|
||||
krb5_kt_close(context, kt);
|
||||
|
||||
out:
|
||||
if (principal)
|
||||
krb5_free_principal(context, principal);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
static OM_uint32
|
||||
kdc_alloc(OM_uint32 *minor, void **ctx)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
struct ntlmkrb5 *c;
|
||||
|
||||
c = calloc(1, sizeof(*c));
|
||||
|
||||
ret = krb5_init_context(&c->context);
|
||||
if (ret) {
|
||||
/* free */
|
||||
*minor = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
ret = get_ccache(c->context, &c->id);
|
||||
if (ret) {
|
||||
/* free */
|
||||
*minor = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
ret = krb5_ntlm_alloc(c->context, &c->ntlm);
|
||||
if (ret) {
|
||||
/* free */
|
||||
*minor = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
*ctx = c;
|
||||
|
||||
return GSS_S_COMPLETE;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
static OM_uint32
|
||||
kdc_destroy(OM_uint32 *minor, void *ctx)
|
||||
{
|
||||
struct ntlmkrb5 *c = ctx;
|
||||
krb5_data_free(&c->opaque);
|
||||
krb5_data_free(&c->sessionkey);
|
||||
return GSS_S_COMPLETE;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
static OM_uint32
|
||||
kdc_type2(OM_uint32 *minor_status,
|
||||
void *ctx,
|
||||
uint32_t flags,
|
||||
const char *hostname,
|
||||
const char *domain,
|
||||
uint32_t *ret_flags,
|
||||
struct ntlm_buf *out)
|
||||
{
|
||||
struct ntlmkrb5 *c = ctx;
|
||||
krb5_error_code ret;
|
||||
struct ntlm_type2 type2;
|
||||
krb5_data challange;
|
||||
struct ntlm_buf data;
|
||||
krb5_data ti;
|
||||
|
||||
memset(&type2, 0, sizeof(type2));
|
||||
|
||||
/*
|
||||
* Request data for type 2 packet from the KDC.
|
||||
*/
|
||||
ret = krb5_ntlm_init_request(c->context,
|
||||
c->ntlm,
|
||||
NULL,
|
||||
c->id,
|
||||
flags,
|
||||
hostname,
|
||||
domain);
|
||||
if (ret) {
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
ret = krb5_ntlm_init_get_opaque(c->context, c->ntlm, &c->opaque);
|
||||
if (ret) {
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
ret = krb5_ntlm_init_get_flags(c->context, c->ntlm, &type2.flags);
|
||||
if (ret) {
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
*ret_flags = type2.flags;
|
||||
|
||||
ret = krb5_ntlm_init_get_challange(c->context, c->ntlm, &challange);
|
||||
if (ret) {
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
if (challange.length != sizeof(type2.challange)) {
|
||||
*minor_status = EINVAL;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
memcpy(type2.challange, challange.data, sizeof(type2.challange));
|
||||
krb5_data_free(&challange);
|
||||
|
||||
ret = krb5_ntlm_init_get_targetname(c->context, c->ntlm,
|
||||
&type2.targetname);
|
||||
if (ret) {
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
ret = krb5_ntlm_init_get_targetinfo(c->context, c->ntlm, &ti);
|
||||
if (ret) {
|
||||
free(type2.targetname);
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
type2.targetinfo.data = ti.data;
|
||||
type2.targetinfo.length = ti.length;
|
||||
|
||||
ret = heim_ntlm_encode_type2(&type2, &data);
|
||||
free(type2.targetname);
|
||||
krb5_data_free(&ti);
|
||||
if (ret) {
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
out->data = data.data;
|
||||
out->length = data.length;
|
||||
|
||||
return GSS_S_COMPLETE;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
static OM_uint32
|
||||
kdc_type3(OM_uint32 *minor_status,
|
||||
void *ctx,
|
||||
const struct ntlm_type3 *type3,
|
||||
struct ntlm_buf *sessionkey)
|
||||
{
|
||||
struct ntlmkrb5 *c = ctx;
|
||||
krb5_error_code ret;
|
||||
|
||||
ret = krb5_ntlm_req_set_flags(c->context, c->ntlm, type3->flags);
|
||||
if (ret) goto out;
|
||||
ret = krb5_ntlm_req_set_username(c->context, c->ntlm, type3->username);
|
||||
if (ret) goto out;
|
||||
ret = krb5_ntlm_req_set_targetname(c->context, c->ntlm,
|
||||
type3->targetname);
|
||||
if (ret) goto out;
|
||||
ret = krb5_ntlm_req_set_lm(c->context, c->ntlm,
|
||||
type3->lm.data, type3->lm.length);
|
||||
if (ret) goto out;
|
||||
ret = krb5_ntlm_req_set_ntlm(c->context, c->ntlm,
|
||||
type3->ntlm.data, type3->ntlm.length);
|
||||
if (ret) goto out;
|
||||
ret = krb5_ntlm_req_set_opaque(c->context, c->ntlm, &c->opaque);
|
||||
if (ret) goto out;
|
||||
if (type3->sessionkey.length) {
|
||||
ret = krb5_ntlm_req_set_session(c->context, c->ntlm,
|
||||
type3->sessionkey.data,
|
||||
type3->sessionkey.length);
|
||||
if (ret) goto out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Verify with the KDC the type3 packet is ok
|
||||
*/
|
||||
ret = krb5_ntlm_request(c->context,
|
||||
c->ntlm,
|
||||
NULL,
|
||||
c->id);
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
if (krb5_ntlm_rep_get_status(c->context, c->ntlm) != TRUE) {
|
||||
ret = EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = krb5_ntlm_rep_get_sessionkey(c->context,
|
||||
c->ntlm,
|
||||
&c->sessionkey);
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
sessionkey->data = c->sessionkey.data;
|
||||
sessionkey->length = c->sessionkey.length;
|
||||
|
||||
return 0;
|
||||
|
||||
out:
|
||||
*minor_status = ret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
static void
|
||||
kdc_free_buffer(struct ntlm_buf *sessionkey)
|
||||
{
|
||||
if (sessionkey->data)
|
||||
free(sessionkey->data);
|
||||
sessionkey->data = NULL;
|
||||
sessionkey->length = 0;
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
|
||||
struct ntlm_server_interface ntlmsspi_kdc_digest = {
|
||||
kdc_alloc,
|
||||
kdc_destroy,
|
||||
kdc_type2,
|
||||
kdc_type3,
|
||||
kdc_free_buffer
|
||||
};
|
@@ -207,9 +207,11 @@ _gss_ntlm_init_sec_context
|
||||
}
|
||||
*context_handle = (gss_ctx_id_t)ctx;
|
||||
|
||||
ret = get_user_file(name->domain, &ctx->username, &ctx->key);
|
||||
ret = get_user_file(name->domain,
|
||||
&ctx->client.username, &ctx->client.key);
|
||||
if (ret)
|
||||
ret = get_user_ccache(name->domain, &ctx->username, &ctx->key);
|
||||
ret = get_user_ccache(name->domain,
|
||||
&ctx->client.username, &ctx->client.key);
|
||||
if (ret) {
|
||||
_gss_ntlm_delete_sec_context(minor_status, context_handle, NULL);
|
||||
*minor_status = ret;
|
||||
@@ -272,7 +274,7 @@ _gss_ntlm_init_sec_context
|
||||
|
||||
memset(&type3, 0, sizeof(type3));
|
||||
|
||||
type3.username = ctx->username;
|
||||
type3.username = ctx->client.username;
|
||||
type3.flags = type2.flags;
|
||||
type3.targetname = type2.targetname;
|
||||
type3.ws = rk_UNCONST("workstation");
|
||||
@@ -317,11 +319,13 @@ _gss_ntlm_init_sec_context
|
||||
}
|
||||
|
||||
|
||||
heim_ntlm_calculate_ntlm1(ctx->key.data, ctx->key.length,
|
||||
heim_ntlm_calculate_ntlm1(ctx->client.key.data,
|
||||
ctx->client.key.length,
|
||||
challange,
|
||||
&type3.ntlm);
|
||||
|
||||
ret = heim_ntlm_build_ntlm1_master(ctx->key.data, ctx->key.length,
|
||||
ret = heim_ntlm_build_ntlm1_master(ctx->client.key.data,
|
||||
ctx->client.key.length,
|
||||
&sessionkey,
|
||||
&type3.sessionkey);
|
||||
if (ret) {
|
||||
@@ -366,8 +370,9 @@ _gss_ntlm_init_sec_context
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
ret = heim_ntlm_calculate_ntlm2(ctx->key.data, ctx->key.length,
|
||||
ctx->username,
|
||||
ret = heim_ntlm_calculate_ntlm2(ctx->client.key.data,
|
||||
ctx->client.key.length,
|
||||
ctx->client.username,
|
||||
name->domain,
|
||||
type2.challange,
|
||||
&type2.targetinfo,
|
||||
|
@@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (c) 2006 Kungliga Tekniska H<>gskolan
|
||||
* Copyright (c) 2006 - 2007 Kungliga Tekniska H<>gskolan
|
||||
* (Royal Institute of Technology, Stockholm, Sweden).
|
||||
* All rights reserved.
|
||||
*
|
||||
@@ -57,6 +57,39 @@
|
||||
|
||||
#include "crypto-headers.h"
|
||||
|
||||
typedef OM_uint32
|
||||
(*ntlm_interface_init)(OM_uint32 *, void **);
|
||||
|
||||
typedef OM_uint32
|
||||
(*ntlm_interface_destroy)(OM_uint32 *, void *);
|
||||
|
||||
typedef OM_uint32
|
||||
(*ntlm_interface_type2)(OM_uint32 *minor_status,
|
||||
void *ctx,
|
||||
uint32_t flags,
|
||||
const char *hostname,
|
||||
const char *domain,
|
||||
uint32_t *ret_flags,
|
||||
struct ntlm_buf *type2);
|
||||
|
||||
typedef OM_uint32
|
||||
(*ntlm_interface_type3)(OM_uint32 *minor_status,
|
||||
void *ctx,
|
||||
const struct ntlm_type3 *type3,
|
||||
struct ntlm_buf *sessionkey);
|
||||
|
||||
typedef void
|
||||
(*ntlm_interface_free_buffer)(struct ntlm_buf *);
|
||||
|
||||
struct ntlm_server_interface {
|
||||
ntlm_interface_init nsi_init;
|
||||
ntlm_interface_destroy nsi_destroy;
|
||||
ntlm_interface_type2 nsi_type2;
|
||||
ntlm_interface_type3 nsi_type3;
|
||||
ntlm_interface_free_buffer nsi_free_buffer;
|
||||
};
|
||||
|
||||
|
||||
struct ntlmv2_key {
|
||||
uint32_t seq;
|
||||
RC4_KEY sealkey;
|
||||
@@ -64,19 +97,21 @@ struct ntlmv2_key {
|
||||
unsigned char signkey[16];
|
||||
};
|
||||
|
||||
extern struct ntlm_server_interface ntlmsspi_kdc_digest;
|
||||
|
||||
typedef struct {
|
||||
krb5_context context;
|
||||
krb5_ntlm ntlm;
|
||||
krb5_realm kerberos_realm;
|
||||
krb5_ccache id;
|
||||
krb5_data opaque;
|
||||
OM_uint32 flags;
|
||||
OM_uint32 status;
|
||||
struct ntlm_server_interface *server;
|
||||
void *ictx;
|
||||
struct {
|
||||
char *username;
|
||||
struct ntlm_buf key;
|
||||
} client;
|
||||
OM_uint32 gssflags;
|
||||
uint32_t flags;
|
||||
uint32_t status;
|
||||
#define STATUS_OPEN 1
|
||||
#define STATUS_CLIENT 2
|
||||
#define STATUS_SESSIONKEY 4
|
||||
char *username;
|
||||
struct ntlm_buf key;
|
||||
krb5_data sessionkey;
|
||||
|
||||
union {
|
||||
@@ -102,4 +137,5 @@ typedef struct {
|
||||
|
||||
#include <ntlm/ntlm-private.h>
|
||||
|
||||
|
||||
#endif /* NTLM_NTLM_H */
|
||||
|
Reference in New Issue
Block a user