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51569b3152
NOTE: THIS COMMIT WON'T COMPILE/WORK ON ITS OWN! BUG: https://bugzilla.samba.org/show_bug.cgi?id=14995 Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/*
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* Copyright (c) 2019 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kdc_locl.h"
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#include "csr_authorizer_plugin.h"
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struct plctx {
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const char *app;
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hx509_request csr;
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krb5_const_principal client;
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krb5_boolean result;
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};
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static krb5_error_code KRB5_LIB_CALL
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plcallback(krb5_context context, const void *plug, void *plugctx, void *userctx)
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{
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const krb5plugin_csr_authorizer_ftable *authorizer = plug;
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struct plctx *plctx = userctx;
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return authorizer->authorize(plugctx, context, plctx->app, plctx->csr,
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plctx->client, &plctx->result);
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}
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static const char *plugin_deps[] = { "krb5", NULL };
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static struct heim_plugin_data csr_authorizer_data = {
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"kdc",
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KDC_CSR_AUTHORIZER,
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1,
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plugin_deps,
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krb5_get_instance
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};
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/*
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* Invoke a plugin to validate a JWT/SAML/OIDC token and partially-evaluate
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* access control.
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*/
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KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
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kdc_authorize_csr(krb5_context context,
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const char *app,
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hx509_request csr,
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krb5_const_principal client)
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{
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krb5_error_code ret;
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struct plctx ctx;
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ctx.app = app;
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ctx.csr = csr;
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ctx.client = client;
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ctx.result = FALSE;
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ret = _krb5_plugin_run_f(context, &csr_authorizer_data, 0, &ctx,
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plcallback);
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if (ret)
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krb5_prepend_error_message(context, ret, "Authorization of requested "
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"certificate extensions failed");
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else if (!ctx.result)
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krb5_set_error_message(context, ret, "Authorization of requested "
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"certificate extensions failed");
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return ret;
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}
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