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usr / src / crypto / heimdal / lib / gssapi / mech /

📁 ..
📄 compat.h(4.07 KB)
📄 context.c(3.66 KB)
📄 context.h(1.66 KB)
📄 cred.h(2.24 KB)
📄 doxygen.c(4.18 KB)
📄 gss_accept_sec_context.c(8.26 KB)
📄 gss_acquire_cred.c(4.57 KB)
📄 gss_acquire_cred_ext.c(5.34 KB)
📄 gss_acquire_cred_with_password.c(3.69 KB)
📄 gss_add_cred.c(5.45 KB)
📄 gss_add_cred_with_password.c(4.7 KB)
📄 gss_add_oid_set_member.c(2.89 KB)
📄 gss_aeap.c(5.54 KB)
📄 gss_authorize_localname.c(5.97 KB)
📄 gss_buffer_set.c(3.48 KB)
📄 gss_canonicalize_name.c(3.66 KB)
📄 gss_compare_name.c(2.68 KB)
📄 gss_context_time.c(1.76 KB)
📄 gss_create_empty_oid_set.c(1.82 KB)
📄 gss_cred.c(5.37 KB)
📄 gss_decapsulate_token.c(2.49 KB)
📄 gss_delete_name_attribute.c(2.47 KB)
📄 gss_delete_sec_context.c(2.07 KB)
📄 gss_display_name.c(2.8 KB)
📄 gss_display_name_ext.c(2.58 KB)
📄 gss_display_status.c(6.7 KB)
📄 gss_duplicate_name.c(3.14 KB)
📄 gss_duplicate_oid.c(2.37 KB)
📄 gss_encapsulate_token.c(2.39 KB)
📄 gss_export_name.c(2.04 KB)
📄 gss_export_name_composite.c(2.53 KB)
📄 gss_export_sec_context.c(2.82 KB)
📄 gss_get_mic.c(1.96 KB)
📄 gss_get_name_attribute.c(3.04 KB)
📄 gss_import_name.c(6.92 KB)
📄 gss_import_sec_context.c(2.68 KB)
📄 gss_indicate_mechs.c(2.28 KB)
📄 gss_init_sec_context.c(6.55 KB)
📄 gss_inquire_context.c(3.14 KB)
📄 gss_inquire_cred.c(5.18 KB)
📄 gss_inquire_cred_by_mech.c(2.94 KB)
📄 gss_inquire_cred_by_oid.c(2.83 KB)
📄 gss_inquire_mechs_for_name.c(2.68 KB)
📄 gss_inquire_name.c(2.89 KB)
📄 gss_inquire_names_for_mech.c(2.55 KB)
📄 gss_inquire_sec_context_by_oid.c(2.5 KB)
📄 gss_krb5.c(21.41 KB)
📄 gss_mech_switch.c(10.37 KB)
📄 gss_mo.c(17.84 KB)
📄 gss_names.c(3.09 KB)
📄 gss_oid.c(14.92 KB)
📄 gss_oid_equal.c(2.2 KB)
📄 gss_oid_to_str.c(2.97 KB)
📄 gss_pname_to_uid.c(5.65 KB)
📄 gss_process_context_token.c(1.81 KB)
📄 gss_pseudo_random.c(2.43 KB)
📄 gss_release_buffer.c(1.67 KB)
📄 gss_release_cred.c(2.51 KB)
📄 gss_release_name.c(2.54 KB)
📄 gss_release_oid.c(2.01 KB)
📄 gss_release_oid_set.c(1.71 KB)
📄 gss_seal.c(1.82 KB)
📄 gss_set_cred_option.c(3.37 KB)
📄 gss_set_name_attribute.c(2.61 KB)
📄 gss_set_sec_context_option.c(2.36 KB)
📄 gss_sign.c(1.71 KB)
📄 gss_store_cred.c(3.12 KB)
📄 gss_test_oid_set_member.c(1.77 KB)
📄 gss_unseal.c(1.8 KB)
📄 gss_unwrap.c(1.91 KB)
📄 gss_utils.c(2.39 KB)
📄 gss_verify.c(1.75 KB)
📄 gss_verify_mic.c(1.98 KB)
📄 gss_wrap.c(2.68 KB)
📄 gss_wrap_size_limit.c(2 KB)
📄 gssapi.asn1(199 B)
📄 mech.5(3.19 KB)
📄 mech.cat5(2.34 KB)
📄 mech_locl.h(2.36 KB)
📄 mech_switch.h(1.79 KB)
📄 mechqueue.h(3.41 KB)
📄 name.h(2.05 KB)
📄 utils.h(1.62 KB)

Editing: gss_cred.c

/*
 * Copyright (c) 2009 Kungliga Tekniska Högskolan
 * (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 KTH 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 KTH AND ITS 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 KTH OR ITS 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 "mech_locl.h"
#include <krb5.h>

/*
 * format: any number of:
 *     mech-len: int32
 *     mech-data: char * (not alligned)
 *     cred-len: int32
 *     cred-data char * (not alligned)
*/

GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_export_cred(OM_uint32 * minor_status,
		gss_cred_id_t cred_handle,
		gss_buffer_t token)
{
    struct _gss_cred *cred = (struct _gss_cred *)cred_handle;
    struct _gss_mechanism_cred *mc;
    gss_buffer_desc buffer;
    krb5_error_code ret;
    krb5_storage *sp;
    OM_uint32 major;
    krb5_data data;

_mg_buffer_zero(token);

if (cred == NULL) {
	*minor_status = 0;
	return GSS_S_NO_CRED;
    }

HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
	if (mc->gmc_mech->gm_export_cred == NULL) {
	    *minor_status = 0;
	    return GSS_S_NO_CRED;
	}
    }

sp = krb5_storage_emem();
    if (sp == NULL) {
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }

HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {

major = mc->gmc_mech->gm_export_cred(minor_status,
					     mc->gmc_cred, &buffer);
	if (major) {
	    krb5_storage_free(sp);
	    return major;
	}

ret = krb5_storage_write(sp, buffer.value, buffer.length);
	if (ret < 0 || (size_t)ret != buffer.length) {
	    gss_release_buffer(minor_status, &buffer);
	    krb5_storage_free(sp);
	    *minor_status = EINVAL;
	    return GSS_S_FAILURE;
	}
	gss_release_buffer(minor_status, &buffer);
    }

ret = krb5_storage_to_data(sp, &data);
    krb5_storage_free(sp);
    if (ret) {
	*minor_status = ret;
	return GSS_S_FAILURE;
    }

token->value = data.data;
    token->length = data.length;

return GSS_S_COMPLETE;
}

GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_import_cred(OM_uint32 * minor_status,
		gss_buffer_t token,
		gss_cred_id_t * cred_handle)
{
    gssapi_mech_interface m;
    krb5_error_code ret;
    struct _gss_cred *cred;
    krb5_storage *sp = NULL;
    OM_uint32 major, junk;
    krb5_data data;

*cred_handle = GSS_C_NO_CREDENTIAL;

if (token->length == 0) {
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }

sp = krb5_storage_from_readonly_mem(token->value, token->length);
    if (sp == NULL) {
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }

cred = calloc(1, sizeof(struct _gss_cred));
    if (cred == NULL) {
	krb5_storage_free(sp);
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }
    HEIM_SLIST_INIT(&cred->gc_mc);

*cred_handle = (gss_cred_id_t)cred;

while(1) {
	struct _gss_mechanism_cred *mc;
	gss_buffer_desc buffer;
	gss_cred_id_t mcred;
	gss_OID_desc oid;

ret = krb5_ret_data(sp, &data);
	if (ret == HEIM_ERR_EOF) {
	    break;
	} else if (ret) {
	    *minor_status = ret;
	    major = GSS_S_FAILURE;
	    goto out;
	}
	oid.elements = data.data;
	oid.length = data.length;

m = __gss_get_mechanism(&oid);
	krb5_data_free(&data);
	if (!m) {
	    *minor_status = 0;
	    major = GSS_S_BAD_MECH;
	    goto out;
	}

if (m->gm_import_cred == NULL) {
	    *minor_status = 0;
	    major = GSS_S_BAD_MECH;
	    goto out;
	}

ret = krb5_ret_data(sp, &data);
	if (ret) {
	    *minor_status = ret;
	    major = GSS_S_FAILURE;
	    goto out;
	}

buffer.value = data.data;
	buffer.length = data.length;

major = m->gm_import_cred(minor_status,
				  &buffer, &mcred);
	krb5_data_free(&data);
	if (major) {
	    goto out;
	}

mc = malloc(sizeof(struct _gss_mechanism_cred));
	if (mc == NULL) {
	    *minor_status = EINVAL;
	    major = GSS_S_FAILURE;
	    goto out;
	}

mc->gmc_mech = m;
	mc->gmc_mech_oid = &m->gm_mech_oid;
	mc->gmc_cred = mcred;

HEIM_SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
    }
    krb5_storage_free(sp);
    sp = NULL;

if (HEIM_SLIST_EMPTY(&cred->gc_mc)) {
	major = GSS_S_NO_CRED;
	goto out;
    }

return GSS_S_COMPLETE;

out:
    if (sp)
	krb5_storage_free(sp);

gss_release_cred(&junk, cred_handle);

return major;

}

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Editing: gss_cred.c

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