From dafa5c059e0c016f034b4624c85a03c09ddd2088 Mon Sep 17 00:00:00 2001 From: Assar Westerlund Date: Fri, 11 Feb 2000 22:59:30 +0000 Subject: [PATCH] first try git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7913 ec53bebd-3082-4978-b11e-865c3cabbd6b --- lib/gssapi/export_sec_context.c | 116 +++++++++++++++++++ lib/gssapi/import_sec_context.c | 159 +++++++++++++++++++++++++++ lib/gssapi/krb5/export_sec_context.c | 116 +++++++++++++++++++ lib/gssapi/krb5/import_sec_context.c | 159 +++++++++++++++++++++++++++ 4 files changed, 550 insertions(+) create mode 100644 lib/gssapi/export_sec_context.c create mode 100644 lib/gssapi/import_sec_context.c create mode 100644 lib/gssapi/krb5/export_sec_context.c create mode 100644 lib/gssapi/krb5/import_sec_context.c diff --git a/lib/gssapi/export_sec_context.c b/lib/gssapi/export_sec_context.c new file mode 100644 index 000000000..741a62783 --- /dev/null +++ b/lib/gssapi/export_sec_context.c @@ -0,0 +1,116 @@ +/* + * Copyright (c) 1999 - 2000 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 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 "gssapi_locl.h" + +RCSID("$Id$"); + +OM_uint32 +gss_export_sec_context ( + OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + gss_buffer_t interprocess_token + ) +{ + krb5_storage *sp; + krb5_auth_context ac; + unsigned char auth_buf[1024]; + size_t sz; + int ret; + krb5_data data; + gss_buffer_desc buffer; + + gssapi_krb5_init (); + if (!((*context_handle)->flags & GSS_C_TRANS_FLAG)) + return GSS_S_UNAVAILABLE; + + sp = krb5_storage_emem (); + if (sp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + /* marshall auth context */ + + ac = (*context_handle)->auth_context; + krb5_store_int32 (sp, ac->flags); + krb5_store_address (sp, *ac->local_address); + krb5_store_address (sp, *ac->remote_address); + krb5_store_int16 (sp, ac->local_port); + krb5_store_int16 (sp, ac->remote_port); + krb5_store_keyblock (sp, *ac->keyblock); + krb5_store_keyblock (sp, *ac->local_subkey); + krb5_store_keyblock (sp, *ac->remote_subkey); + krb5_store_int32 (sp, ac->local_seqnumber); + krb5_store_int32 (sp, ac->remote_seqnumber); + ret = encode_Authenticator (auth_buf, sizeof(auth_buf), + ac->authenticator, &sz); + if (ret) { + krb5_storage_free (sp); + *minor_status = ret; + return GSS_S_FAILURE; + } + data.data = auth_buf; + data.length = sz; + krb5_store_data (sp, data); + krb5_store_int32 (sp, ac->keytype); + krb5_store_int32 (sp, ac->cksumtype); + + /* names */ + + gss_export_name (minor_status, (*context_handle)->source, &buffer); + data.data = buffer.value; + data.length = buffer.length; + krb5_store_data (sp, data); + + gss_export_name (minor_status, (*context_handle)->target, &buffer); + data.data = buffer.value; + data.length = buffer.length; + krb5_store_data (sp, data); + + krb5_store_int32 (sp, (*context_handle)->flags); + krb5_store_int32 (sp, (*context_handle)->more_flags); + + ret = krb5_storage_to_data (sp, &data); + krb5_storage_free (sp); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + interprocess_token->length = data.length; + interprocess_token->value = data.data; + ret = gss_delete_sec_context (minor_status, context_handle, + GSS_C_NO_BUFFER); + if (ret != GSS_S_COMPLETE) + gss_release_buffer (NULL, interprocess_token); + return ret; +} diff --git a/lib/gssapi/import_sec_context.c b/lib/gssapi/import_sec_context.c new file mode 100644 index 000000000..538b74c6d --- /dev/null +++ b/lib/gssapi/import_sec_context.c @@ -0,0 +1,159 @@ +/* + * Copyright (c) 1999 - 2000 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 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 "gssapi_locl.h" + +RCSID("$Id$"); + +OM_uint32 +gss_import_sec_context ( + OM_uint32 * minor_status, + const gss_buffer_t interprocess_token, + gss_ctx_id_t * context_handle + ) +{ + OM_uint32 ret = GSS_S_FAILURE; + krb5_error_code kret; + krb5_storage *sp; + krb5_auth_context ac; + krb5_address local, remote; + krb5_data data; + gss_buffer_desc buffer; + krb5_keyblock keyblock; + size_t sz; + int32_t tmp; + + gssapi_krb5_init (); + + sp = krb5_storage_from_mem (interprocess_token->value, + interprocess_token->length); + if (sp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + *context_handle = malloc(sizeof(**context_handle)); + if (*context_handle == NULL) { + *minor_status = ENOMEM; + krb5_storage_free (sp); + return GSS_S_FAILURE; + } + + kret = krb5_auth_con_init (gssapi_krb5_context, + &(*context_handle)->auth_context); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + /* retrieve the auth context */ + + ac = (*context_handle)->auth_context; + krb5_ret_int32 (sp, &ac->flags); + krb5_ret_address (sp, &local); + krb5_ret_address (sp, &remote); + krb5_auth_con_setaddrs (gssapi_krb5_context, ac, &local, &remote); + krb5_free_address (gssapi_krb5_context, &local); + krb5_free_address (gssapi_krb5_context, &remote); + krb5_ret_int16 (sp, &ac->local_port); + krb5_ret_int16 (sp, &ac->remote_port); + krb5_ret_keyblock (sp, &keyblock); + krb5_auth_con_setkey (gssapi_krb5_context, ac, &keyblock); + krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock); + krb5_ret_keyblock (sp, &keyblock); + krb5_auth_con_setlocalsubkey (gssapi_krb5_context, ac, &keyblock); + krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock); + krb5_ret_keyblock (sp, &keyblock); + krb5_auth_con_setremotesubkey (gssapi_krb5_context, ac, &keyblock); + krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock); + krb5_ret_int32 (sp, &ac->local_seqnumber); + krb5_ret_int32 (sp, &ac->remote_seqnumber); + + krb5_ret_data (sp, &data); + + ac->authenticator = malloc (sizeof (*ac->authenticator)); + if (ac->authenticator == NULL) { + *minor_status = ENOMEM; + ret = GSS_S_FAILURE; + goto failure; + } + + kret = decode_Authenticator (data.data, data.length, + ac->authenticator, &sz); + krb5_data_free (&data); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + krb5_ret_int32 (sp, &tmp); + ac->keytype = tmp; + krb5_ret_int32 (sp, &tmp); + ac->cksumtype = tmp; + + /* names */ + + krb5_ret_data (sp, &data); + buffer.value = data.data; + buffer.length = data.length; + + gss_import_name (minor_status, &buffer, GSS_C_NO_OID, + &(*context_handle)->source); + krb5_data_free (&data); + + krb5_ret_data (sp, &data); + buffer.value = data.data; + buffer.length = data.length; + + gss_import_name (minor_status, &buffer, GSS_C_NO_OID, + &(*context_handle)->target); + krb5_data_free (&data); + + krb5_ret_int32 (sp, &tmp); + (*context_handle)->flags = tmp; + krb5_ret_int32 (sp, &tmp); + (*context_handle)->more_flags = tmp; + + (*context_handle)->ticket = NULL; + + return GSS_S_COMPLETE; + +failure: + krb5_auth_con_free (gssapi_krb5_context, + (*context_handle)->auth_context); + free (*context_handle); + *context_handle = GSS_C_NO_CONTEXT; + return ret; +} diff --git a/lib/gssapi/krb5/export_sec_context.c b/lib/gssapi/krb5/export_sec_context.c new file mode 100644 index 000000000..741a62783 --- /dev/null +++ b/lib/gssapi/krb5/export_sec_context.c @@ -0,0 +1,116 @@ +/* + * Copyright (c) 1999 - 2000 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 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 "gssapi_locl.h" + +RCSID("$Id$"); + +OM_uint32 +gss_export_sec_context ( + OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + gss_buffer_t interprocess_token + ) +{ + krb5_storage *sp; + krb5_auth_context ac; + unsigned char auth_buf[1024]; + size_t sz; + int ret; + krb5_data data; + gss_buffer_desc buffer; + + gssapi_krb5_init (); + if (!((*context_handle)->flags & GSS_C_TRANS_FLAG)) + return GSS_S_UNAVAILABLE; + + sp = krb5_storage_emem (); + if (sp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + /* marshall auth context */ + + ac = (*context_handle)->auth_context; + krb5_store_int32 (sp, ac->flags); + krb5_store_address (sp, *ac->local_address); + krb5_store_address (sp, *ac->remote_address); + krb5_store_int16 (sp, ac->local_port); + krb5_store_int16 (sp, ac->remote_port); + krb5_store_keyblock (sp, *ac->keyblock); + krb5_store_keyblock (sp, *ac->local_subkey); + krb5_store_keyblock (sp, *ac->remote_subkey); + krb5_store_int32 (sp, ac->local_seqnumber); + krb5_store_int32 (sp, ac->remote_seqnumber); + ret = encode_Authenticator (auth_buf, sizeof(auth_buf), + ac->authenticator, &sz); + if (ret) { + krb5_storage_free (sp); + *minor_status = ret; + return GSS_S_FAILURE; + } + data.data = auth_buf; + data.length = sz; + krb5_store_data (sp, data); + krb5_store_int32 (sp, ac->keytype); + krb5_store_int32 (sp, ac->cksumtype); + + /* names */ + + gss_export_name (minor_status, (*context_handle)->source, &buffer); + data.data = buffer.value; + data.length = buffer.length; + krb5_store_data (sp, data); + + gss_export_name (minor_status, (*context_handle)->target, &buffer); + data.data = buffer.value; + data.length = buffer.length; + krb5_store_data (sp, data); + + krb5_store_int32 (sp, (*context_handle)->flags); + krb5_store_int32 (sp, (*context_handle)->more_flags); + + ret = krb5_storage_to_data (sp, &data); + krb5_storage_free (sp); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + interprocess_token->length = data.length; + interprocess_token->value = data.data; + ret = gss_delete_sec_context (minor_status, context_handle, + GSS_C_NO_BUFFER); + if (ret != GSS_S_COMPLETE) + gss_release_buffer (NULL, interprocess_token); + return ret; +} diff --git a/lib/gssapi/krb5/import_sec_context.c b/lib/gssapi/krb5/import_sec_context.c new file mode 100644 index 000000000..538b74c6d --- /dev/null +++ b/lib/gssapi/krb5/import_sec_context.c @@ -0,0 +1,159 @@ +/* + * Copyright (c) 1999 - 2000 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 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 "gssapi_locl.h" + +RCSID("$Id$"); + +OM_uint32 +gss_import_sec_context ( + OM_uint32 * minor_status, + const gss_buffer_t interprocess_token, + gss_ctx_id_t * context_handle + ) +{ + OM_uint32 ret = GSS_S_FAILURE; + krb5_error_code kret; + krb5_storage *sp; + krb5_auth_context ac; + krb5_address local, remote; + krb5_data data; + gss_buffer_desc buffer; + krb5_keyblock keyblock; + size_t sz; + int32_t tmp; + + gssapi_krb5_init (); + + sp = krb5_storage_from_mem (interprocess_token->value, + interprocess_token->length); + if (sp == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + *context_handle = malloc(sizeof(**context_handle)); + if (*context_handle == NULL) { + *minor_status = ENOMEM; + krb5_storage_free (sp); + return GSS_S_FAILURE; + } + + kret = krb5_auth_con_init (gssapi_krb5_context, + &(*context_handle)->auth_context); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + /* retrieve the auth context */ + + ac = (*context_handle)->auth_context; + krb5_ret_int32 (sp, &ac->flags); + krb5_ret_address (sp, &local); + krb5_ret_address (sp, &remote); + krb5_auth_con_setaddrs (gssapi_krb5_context, ac, &local, &remote); + krb5_free_address (gssapi_krb5_context, &local); + krb5_free_address (gssapi_krb5_context, &remote); + krb5_ret_int16 (sp, &ac->local_port); + krb5_ret_int16 (sp, &ac->remote_port); + krb5_ret_keyblock (sp, &keyblock); + krb5_auth_con_setkey (gssapi_krb5_context, ac, &keyblock); + krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock); + krb5_ret_keyblock (sp, &keyblock); + krb5_auth_con_setlocalsubkey (gssapi_krb5_context, ac, &keyblock); + krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock); + krb5_ret_keyblock (sp, &keyblock); + krb5_auth_con_setremotesubkey (gssapi_krb5_context, ac, &keyblock); + krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock); + krb5_ret_int32 (sp, &ac->local_seqnumber); + krb5_ret_int32 (sp, &ac->remote_seqnumber); + + krb5_ret_data (sp, &data); + + ac->authenticator = malloc (sizeof (*ac->authenticator)); + if (ac->authenticator == NULL) { + *minor_status = ENOMEM; + ret = GSS_S_FAILURE; + goto failure; + } + + kret = decode_Authenticator (data.data, data.length, + ac->authenticator, &sz); + krb5_data_free (&data); + if (kret) { + *minor_status = kret; + ret = GSS_S_FAILURE; + goto failure; + } + + krb5_ret_int32 (sp, &tmp); + ac->keytype = tmp; + krb5_ret_int32 (sp, &tmp); + ac->cksumtype = tmp; + + /* names */ + + krb5_ret_data (sp, &data); + buffer.value = data.data; + buffer.length = data.length; + + gss_import_name (minor_status, &buffer, GSS_C_NO_OID, + &(*context_handle)->source); + krb5_data_free (&data); + + krb5_ret_data (sp, &data); + buffer.value = data.data; + buffer.length = data.length; + + gss_import_name (minor_status, &buffer, GSS_C_NO_OID, + &(*context_handle)->target); + krb5_data_free (&data); + + krb5_ret_int32 (sp, &tmp); + (*context_handle)->flags = tmp; + krb5_ret_int32 (sp, &tmp); + (*context_handle)->more_flags = tmp; + + (*context_handle)->ticket = NULL; + + return GSS_S_COMPLETE; + +failure: + krb5_auth_con_free (gssapi_krb5_context, + (*context_handle)->auth_context); + free (*context_handle); + *context_handle = GSS_C_NO_CONTEXT; + return ret; +}