diff options
Diffstat (limited to 'third_party/heimdal/lib/gssapi/spnego/context_stubs.c')
| -rw-r--r-- | third_party/heimdal/lib/gssapi/spnego/context_stubs.c | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/gssapi/spnego/context_stubs.c b/third_party/heimdal/lib/gssapi/spnego/context_stubs.c new file mode 100644 index 00000000000..638e90d7ba3 --- /dev/null +++ b/third_party/heimdal/lib/gssapi/spnego/context_stubs.c @@ -0,0 +1,578 @@ +/* + * Copyright (c) 2004, PADL Software Pty Ltd. + * 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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 "spnego_locl.h" + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_process_context_token + (OM_uint32 *minor_status, + gss_const_ctx_id_t context_handle, + const gss_buffer_t token_buffer + ) +{ + gss_ctx_id_t context; + gssspnego_ctx ctx; + OM_uint32 ret; + + if (context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + context = (gss_ctx_id_t)context_handle; + ctx = (gssspnego_ctx)context_handle; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + ret = gss_process_context_token(minor_status, + ctx->negotiated_ctx_id, + token_buffer); + if (ret != GSS_S_COMPLETE) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + + ctx->negotiated_ctx_id = GSS_C_NO_CONTEXT; + + return _gss_spnego_internal_delete_sec_context(minor_status, + &context, + GSS_C_NO_BUFFER); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_delete_sec_context + (OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + gss_buffer_t output_token + ) +{ + gssspnego_ctx ctx; + + if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)*context_handle; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + return _gss_spnego_internal_delete_sec_context(minor_status, + context_handle, + output_token); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_context_time + (OM_uint32 *minor_status, + gss_const_ctx_id_t context_handle, + OM_uint32 *time_rec + ) +{ + gssspnego_ctx ctx; + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_context_time(minor_status, + ctx->negotiated_ctx_id, + time_rec); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_get_mic + (OM_uint32 *minor_status, + gss_const_ctx_id_t context_handle, + gss_qop_t qop_req, + const gss_buffer_t message_buffer, + gss_buffer_t message_token + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_get_mic(minor_status, ctx->negotiated_ctx_id, + qop_req, message_buffer, message_token); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_verify_mic + (OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + const gss_buffer_t message_buffer, + const gss_buffer_t token_buffer, + gss_qop_t * qop_state + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_verify_mic(minor_status, + ctx->negotiated_ctx_id, + message_buffer, + token_buffer, + qop_state); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_wrap + (OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + const gss_buffer_t input_message_buffer, + int * conf_state, + gss_buffer_t output_message_buffer + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_wrap(minor_status, + ctx->negotiated_ctx_id, + conf_req_flag, + qop_req, + input_message_buffer, + conf_state, + output_message_buffer); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_unwrap + (OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + const gss_buffer_t input_message_buffer, + gss_buffer_t output_message_buffer, + int * conf_state, + gss_qop_t * qop_state + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_unwrap(minor_status, + ctx->negotiated_ctx_id, + input_message_buffer, + output_message_buffer, + conf_state, + qop_state); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_inquire_context ( + OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + gss_name_t * src_name, + gss_name_t * targ_name, + OM_uint32 * lifetime_rec, + gss_OID * mech_type, + OM_uint32 * ctx_flags, + int * locally_initiated, + int * open_context + ) +{ + gssspnego_ctx ctx; + OM_uint32 maj_stat; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + maj_stat = gss_inquire_context(minor_status, + ctx->negotiated_ctx_id, + src_name, + targ_name, + lifetime_rec, + mech_type, + ctx_flags, + locally_initiated, + open_context); + + if (open_context) + *open_context = gssspnego_ctx_complete_p(ctx); + + return maj_stat; +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_wrap_size_limit ( + OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + OM_uint32 req_output_size, + OM_uint32 * max_input_size + ) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_wrap_size_limit(minor_status, + ctx->negotiated_ctx_id, + conf_req_flag, + qop_req, + req_output_size, + max_input_size); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_export_sec_context ( + OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + gss_buffer_t interprocess_token + ) +{ + gssspnego_ctx ctx; + OM_uint32 major_status; + + *minor_status = 0; + + if (context_handle == NULL) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)*context_handle; + + if (ctx == NULL) + return GSS_S_NO_CONTEXT; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + /* + * Partial context export is only supported on the acceptor side, as we + * cannot represent the initiator function pointer state in an exported + * token, and also because it is mostly useful for acceptors which need + * to manage multiple initiator states. + */ + if (ctx->flags.local && !gssspnego_ctx_complete_p(ctx)) { + major_status = GSS_S_NO_CONTEXT; + goto out; + } + + major_status = _gss_spnego_export_sec_context_internal(minor_status, + ctx, + interprocess_token); + +out: + if (major_status == GSS_S_COMPLETE) + major_status = _gss_spnego_internal_delete_sec_context(minor_status, + context_handle, + GSS_C_NO_BUFFER); + else + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + return major_status; +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_import_sec_context ( + OM_uint32 * minor_status, + const gss_buffer_t interprocess_token, + gss_ctx_id_t *context_handle + ) +{ + return _gss_spnego_import_sec_context_internal(minor_status, + interprocess_token, + (gssspnego_ctx *)context_handle); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_inquire_names_for_mech ( + OM_uint32 * minor_status, + const gss_OID mechanism, + gss_OID_set * name_types + ) +{ + gss_OID_set mechs, names, n; + OM_uint32 ret, junk; + size_t i, j; + + *name_types = NULL; + + ret = _gss_spnego_indicate_mechs(minor_status, &mechs); + if (ret != GSS_S_COMPLETE) + return ret; + + ret = gss_create_empty_oid_set(minor_status, &names); + if (ret != GSS_S_COMPLETE) + goto out; + + for (i = 0; i < mechs->count; i++) { + ret = gss_inquire_names_for_mech(minor_status, + &mechs->elements[i], + &n); + if (ret) + continue; + + for (j = 0; j < n->count; j++) + gss_add_oid_set_member(minor_status, + &n->elements[j], + &names); + gss_release_oid_set(&junk, &n); + } + + ret = GSS_S_COMPLETE; + *name_types = names; +out: + + gss_release_oid_set(&junk, &mechs); + + return ret; +} + +OM_uint32 GSSAPI_CALLCONV +_gss_spnego_wrap_iov(OM_uint32 * minor_status, + gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + int * conf_state, + gss_iov_buffer_desc *iov, + int iov_count) +{ + gssspnego_ctx ctx = (gssspnego_ctx)context_handle; + + *minor_status = 0; + + if (ctx == NULL || ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + return gss_wrap_iov(minor_status, ctx->negotiated_ctx_id, + conf_req_flag, qop_req, conf_state, + iov, iov_count); +} + +OM_uint32 GSSAPI_CALLCONV +_gss_spnego_unwrap_iov(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int *conf_state, + gss_qop_t *qop_state, + gss_iov_buffer_desc *iov, + int iov_count) +{ + gssspnego_ctx ctx = (gssspnego_ctx)context_handle; + + *minor_status = 0; + + if (ctx == NULL || ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + return gss_unwrap_iov(minor_status, + ctx->negotiated_ctx_id, + conf_state, qop_state, + iov, iov_count); +} + +OM_uint32 GSSAPI_CALLCONV +_gss_spnego_wrap_iov_length(OM_uint32 * minor_status, + gss_ctx_id_t context_handle, + int conf_req_flag, + gss_qop_t qop_req, + int *conf_state, + gss_iov_buffer_desc *iov, + int iov_count) +{ + gssspnego_ctx ctx = (gssspnego_ctx)context_handle; + + *minor_status = 0; + + if (ctx == NULL || ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + return gss_wrap_iov_length(minor_status, ctx->negotiated_ctx_id, + conf_req_flag, qop_req, conf_state, + iov, iov_count); +} + +#if 0 +OM_uint32 GSSAPI_CALLCONV _gss_spnego_complete_auth_token + (OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + gss_buffer_t input_message_buffer) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_complete_auth_token(minor_status, + ctx->negotiated_ctx_id, + input_message_buffer); +} +#endif + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_inquire_sec_context_by_oid + (OM_uint32 * minor_status, + gss_const_ctx_id_t context_handle, + const gss_OID desired_object, + gss_buffer_set_t *data_set) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_inquire_sec_context_by_oid(minor_status, + ctx->negotiated_ctx_id, + desired_object, + data_set); +} + +OM_uint32 GSSAPI_CALLCONV _gss_spnego_set_sec_context_option + (OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_OID desired_object, + const gss_buffer_t value) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + /* + * Return GSS_S_UNAVAILABLE with a NULL context handle as at + * present no context options can be set globally on SPNEGO + * itself. Global mechanism context options are set directly + * on the mechanism; per-context context options are set below + * if ctx->negotiated_ctx_id != GSS_C_NO_CONTEXT. + */ + if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) + return GSS_S_UNAVAILABLE; + + ctx = (gssspnego_ctx)*context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) { + return GSS_S_NO_CONTEXT; + } + + return gss_set_sec_context_option(minor_status, + &ctx->negotiated_ctx_id, + desired_object, + value); +} + + +OM_uint32 GSSAPI_CALLCONV +_gss_spnego_pseudo_random(OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int prf_key, + const gss_buffer_t prf_in, + ssize_t desired_output_len, + gss_buffer_t prf_out) +{ + gssspnego_ctx ctx; + + *minor_status = 0; + + if (context_handle == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + ctx = (gssspnego_ctx)context_handle; + + if (ctx->negotiated_ctx_id == GSS_C_NO_CONTEXT) + return GSS_S_NO_CONTEXT; + + return gss_pseudo_random(minor_status, + ctx->negotiated_ctx_id, + prf_key, + prf_in, + desired_output_len, + prf_out); +} |