diff options
Diffstat (limited to 'source4/heimdal/lib/gssapi/spnego/accept_sec_context.c')
| -rw-r--r-- | source4/heimdal/lib/gssapi/spnego/accept_sec_context.c | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/spnego/accept_sec_context.c b/source4/heimdal/lib/gssapi/spnego/accept_sec_context.c new file mode 100644 index 0000000000..8a885a3e2f --- /dev/null +++ b/source4/heimdal/lib/gssapi/spnego/accept_sec_context.c @@ -0,0 +1,873 @@ +/* + * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * Portions Copyright (c) 2004 PADL Software Pty Ltd. + * + * 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 "spnego/spnego_locl.h" + +RCSID("$Id: accept_sec_context.c,v 1.6 2006/10/07 22:26:57 lha Exp $"); + +OM_uint32 +_gss_spnego_encode_response(OM_uint32 *minor_status, + const NegTokenResp *resp, + gss_buffer_t data, + u_char **ret_buf) +{ + OM_uint32 ret; + u_char *buf; + size_t buf_size, buf_len; + + buf_size = 1024; + buf = malloc(buf_size); + if (buf == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + do { + ret = encode_NegTokenResp(buf + buf_size - 1, + buf_size, + resp, &buf_len); + if (ret == 0) { + size_t tmp; + + ret = der_put_length_and_tag(buf + buf_size - buf_len - 1, + buf_size - buf_len, + buf_len, + ASN1_C_CONTEXT, + CONS, + 1, + &tmp); + if (ret == 0) + buf_len += tmp; + } + if (ret) { + if (ret == ASN1_OVERFLOW) { + u_char *tmp; + + buf_size *= 2; + tmp = realloc (buf, buf_size); + if (tmp == NULL) { + *minor_status = ENOMEM; + free(buf); + return GSS_S_FAILURE; + } + buf = tmp; + } else { + *minor_status = ret; + free(buf); + return GSS_S_FAILURE; + } + } + } while (ret == ASN1_OVERFLOW); + + data->value = buf + buf_size - buf_len; + data->length = buf_len; + *ret_buf = buf; + + return GSS_S_COMPLETE; +} + +static OM_uint32 +send_reject (OM_uint32 *minor_status, + gss_buffer_t output_token) +{ + NegTokenResp resp; + gss_buffer_desc data; + u_char *buf; + OM_uint32 ret; + + ALLOC(resp.negResult, 1); + if (resp.negResult == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + *(resp.negResult) = reject; + resp.supportedMech = NULL; + resp.responseToken = NULL; + resp.mechListMIC = NULL; + + ret = _gss_spnego_encode_response (minor_status, &resp, &data, &buf); + free_NegTokenResp(&resp); + if (ret != GSS_S_COMPLETE) + return ret; + + output_token->value = malloc(data.length); + if (output_token->value == NULL) { + *minor_status = ENOMEM; + ret = GSS_S_FAILURE; + } else { + output_token->length = data.length; + memcpy(output_token->value, data.value, output_token->length); + } + free(buf); + if (ret != GSS_S_COMPLETE) + return ret; + return GSS_S_BAD_MECH; +} + +OM_uint32 +_gss_spnego_indicate_mechtypelist (OM_uint32 *minor_status, + int includeMSCompatOID, + const gssspnego_cred cred_handle, + MechTypeList *mechtypelist, + gss_OID *preferred_mech) +{ + OM_uint32 ret; + gss_OID_set supported_mechs = GSS_C_NO_OID_SET; + int i, count; + + if (cred_handle != NULL) { + ret = gss_inquire_cred(minor_status, + cred_handle->negotiated_cred_id, + NULL, + NULL, + NULL, + &supported_mechs); + } else { + ret = gss_indicate_mechs(minor_status, &supported_mechs); + } + + if (ret != GSS_S_COMPLETE) { + return ret; + } + + if (supported_mechs->count == 0) { + *minor_status = ENOENT; + gss_release_oid_set(minor_status, &supported_mechs); + return GSS_S_FAILURE; + } + + count = supported_mechs->count; + if (includeMSCompatOID) + count++; + + mechtypelist->len = 0; + mechtypelist->val = calloc(count, sizeof(MechType)); + if (mechtypelist->val == NULL) { + *minor_status = ENOMEM; + gss_release_oid_set(minor_status, &supported_mechs); + return GSS_S_FAILURE; + } + + for (i = 0; i < supported_mechs->count; i++) { + ret = _gss_spnego_add_mech_type(&supported_mechs->elements[i], + includeMSCompatOID, + mechtypelist); + if (ret != 0) { + *minor_status = ENOMEM; + ret = GSS_S_FAILURE; + break; + } + } + + if (ret == GSS_S_COMPLETE && preferred_mech != NULL) { + ret = gss_duplicate_oid(minor_status, + &supported_mechs->elements[0], + preferred_mech); + } + + if (ret != GSS_S_COMPLETE) { + free_MechTypeList(mechtypelist); + mechtypelist->len = 0; + mechtypelist->val = NULL; + } + gss_release_oid_set(minor_status, &supported_mechs); + + return ret; +} + +static OM_uint32 +send_supported_mechs (OM_uint32 *minor_status, + gss_buffer_t output_token) +{ + NegTokenInit ni; + char hostname[MAXHOSTNAMELEN], *p; + gss_buffer_desc name_buf; + gss_OID name_type; + gss_name_t target_princ; + gss_name_t canon_princ; + OM_uint32 ret, minor; + u_char *buf; + size_t buf_size, buf_len; + gss_buffer_desc data; + + memset(&ni, 0, sizeof(ni)); + + ni.reqFlags = NULL; + ni.mechToken = NULL; + ni.negHints = NULL; + ni.mechListMIC = NULL; + + ret = _gss_spnego_indicate_mechtypelist(minor_status, 1, + NULL, + &ni.mechTypes, NULL); + if (ret != GSS_S_COMPLETE) { + return ret; + } + + memset(&target_princ, 0, sizeof(target_princ)); + if (gethostname(hostname, sizeof(hostname) - 1) != 0) { + *minor_status = errno; + free_NegTokenInit(&ni); + return GSS_S_FAILURE; + } + + /* Send the constructed SAM name for this host */ + for (p = hostname; *p != '\0' && *p != '.'; p++) { + *p = toupper((unsigned char)*p); + } + *p++ = '$'; + *p = '\0'; + + name_buf.length = strlen(hostname); + name_buf.value = hostname; + + ret = gss_import_name(minor_status, &name_buf, + GSS_C_NO_OID, + &target_princ); + if (ret != GSS_S_COMPLETE) { + return ret; + } + + name_buf.length = 0; + name_buf.value = NULL; + + /* Canonicalize the name using the preferred mechanism */ + ret = gss_canonicalize_name(minor_status, + target_princ, + GSS_C_NO_OID, + &canon_princ); + if (ret != GSS_S_COMPLETE) { + gss_release_name(&minor, &target_princ); + return ret; + } + + ret = gss_display_name(minor_status, canon_princ, + &name_buf, &name_type); + if (ret != GSS_S_COMPLETE) { + gss_release_name(&minor, &canon_princ); + gss_release_name(&minor, &target_princ); + return ret; + } + + gss_release_name(&minor, &canon_princ); + gss_release_name(&minor, &target_princ); + + ALLOC(ni.negHints, 1); + if (ni.negHints == NULL) { + *minor_status = ENOMEM; + gss_release_buffer(&minor, &name_buf); + free_NegTokenInit(&ni); + return GSS_S_FAILURE; + } + + ALLOC(ni.negHints->hintName, 1); + if (ni.negHints->hintName == NULL) { + *minor_status = ENOMEM; + gss_release_buffer(&minor, &name_buf); + free_NegTokenInit(&ni); + return GSS_S_FAILURE; + } + + *(ni.negHints->hintName) = name_buf.value; + name_buf.value = NULL; + ni.negHints->hintAddress = NULL; + + buf_size = 1024; + buf = malloc(buf_size); + if (buf == NULL) { + free_NegTokenInit(&ni); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + do { + ret = encode_NegTokenInit(buf + buf_size - 1, + buf_size, + &ni, &buf_len); + if (ret == 0) { + size_t tmp; + + ret = der_put_length_and_tag(buf + buf_size - buf_len - 1, + buf_size - buf_len, + buf_len, + ASN1_C_CONTEXT, + CONS, + 0, + &tmp); + if (ret == 0) + buf_len += tmp; + } + if (ret) { + if (ret == ASN1_OVERFLOW) { + u_char *tmp; + + buf_size *= 2; + tmp = realloc (buf, buf_size); + if (tmp == NULL) { + *minor_status = ENOMEM; + free(buf); + free_NegTokenInit(&ni); + return GSS_S_FAILURE; + } + buf = tmp; + } else { + *minor_status = ret; + free(buf); + free_NegTokenInit(&ni); + return GSS_S_FAILURE; + } + } + } while (ret == ASN1_OVERFLOW); + + data.value = buf + buf_size - buf_len; + data.length = buf_len; + + ret = gss_encapsulate_token(&data, + GSS_SPNEGO_MECHANISM, + output_token); + free (buf); + free_NegTokenInit (&ni); + + if (ret != GSS_S_COMPLETE) + return ret; + + *minor_status = 0; + + return GSS_S_CONTINUE_NEEDED; +} + +static OM_uint32 +send_accept (OM_uint32 *minor_status, + gssspnego_ctx context_handle, + gss_buffer_t mech_token, + int initial_response, + gss_buffer_t mech_buf, + gss_buffer_t output_token) +{ + NegTokenResp resp; + gss_buffer_desc data; + u_char *buf; + OM_uint32 ret; + gss_buffer_desc mech_mic_buf; + + memset(&resp, 0, sizeof(resp)); + + ALLOC(resp.negResult, 1); + if (resp.negResult == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + if (context_handle->open) { + if (mech_token != GSS_C_NO_BUFFER + && mech_token->length != 0 + && mech_buf != GSS_C_NO_BUFFER) + *(resp.negResult) = accept_incomplete; + else + *(resp.negResult) = accept_completed; + } else { + if (initial_response && context_handle->require_mic) + *(resp.negResult) = request_mic; + else + *(resp.negResult) = accept_incomplete; + } + + if (initial_response) { + ALLOC(resp.supportedMech, 1); + if (resp.supportedMech == NULL) { + free_NegTokenResp(&resp); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + ret = der_get_oid(context_handle->preferred_mech_type->elements, + context_handle->preferred_mech_type->length, + resp.supportedMech, + NULL); + if (ret) { + free_NegTokenResp(&resp); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + } else { + resp.supportedMech = NULL; + } + + if (mech_token != GSS_C_NO_BUFFER && mech_token->length != 0) { + ALLOC(resp.responseToken, 1); + if (resp.responseToken == NULL) { + free_NegTokenResp(&resp); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + resp.responseToken->length = mech_token->length; + resp.responseToken->data = mech_token->value; + mech_token->length = 0; + mech_token->value = NULL; + } else { + resp.responseToken = NULL; + } + + if (mech_buf != GSS_C_NO_BUFFER) { + ALLOC(resp.mechListMIC, 1); + if (resp.mechListMIC == NULL) { + free_NegTokenResp(&resp); + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + ret = gss_get_mic(minor_status, + context_handle->negotiated_ctx_id, + 0, + mech_buf, + &mech_mic_buf); + if (ret != GSS_S_COMPLETE) { + free_NegTokenResp(&resp); + return ret; + } + + resp.mechListMIC->length = mech_mic_buf.length; + resp.mechListMIC->data = mech_mic_buf.value; + } else + resp.mechListMIC = NULL; + + ret = _gss_spnego_encode_response (minor_status, &resp, &data, &buf); + if (ret != GSS_S_COMPLETE) { + free_NegTokenResp(&resp); + return ret; + } + + /* + * The response should not be encapsulated, because + * it is a SubsequentContextToken (note though RFC 1964 + * specifies encapsulation for all _Kerberos_ tokens). + */ + output_token->value = malloc(data.length); + if (output_token->value == NULL) { + *minor_status = ENOMEM; + ret = GSS_S_FAILURE; + } else { + output_token->length = data.length; + memcpy(output_token->value, data.value, output_token->length); + } + free(buf); + if (ret != GSS_S_COMPLETE) { + free_NegTokenResp(&resp); + return ret; + } + + ret = (*(resp.negResult) == accept_completed) ? GSS_S_COMPLETE : + GSS_S_CONTINUE_NEEDED; + free_NegTokenResp(&resp); + return ret; +} + + +static OM_uint32 +verify_mechlist_mic + (OM_uint32 *minor_status, + gssspnego_ctx context_handle, + gss_buffer_t mech_buf, + heim_octet_string *mechListMIC + ) +{ + OM_uint32 ret; + gss_buffer_desc mic_buf; + + if (context_handle->verified_mic) { + /* This doesn't make sense, we've already verified it? */ + *minor_status = 0; + return GSS_S_DUPLICATE_TOKEN; + } + + if (mechListMIC == NULL) { + *minor_status = 0; + return GSS_S_DEFECTIVE_TOKEN; + } + + mic_buf.length = mechListMIC->length; + mic_buf.value = mechListMIC->data; + + ret = gss_verify_mic(minor_status, + context_handle->negotiated_ctx_id, + mech_buf, + &mic_buf, + NULL); + + if (ret != GSS_S_COMPLETE) + ret = GSS_S_DEFECTIVE_TOKEN; + + return ret; +} + +OM_uint32 +_gss_spnego_accept_sec_context + (OM_uint32 * minor_status, + gss_ctx_id_t * context_handle, + const gss_cred_id_t acceptor_cred_handle, + const gss_buffer_t input_token_buffer, + const gss_channel_bindings_t input_chan_bindings, + gss_name_t * src_name, + gss_OID * mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec, + gss_cred_id_t *delegated_cred_handle + ) +{ + OM_uint32 ret, ret2, minor; + NegTokenInit ni; + NegTokenResp na; + size_t ni_len, na_len; + int i; + gss_buffer_desc data; + size_t len, taglen; + int initialToken; + unsigned int negResult = accept_incomplete; + gss_buffer_t mech_input_token = GSS_C_NO_BUFFER; + gss_buffer_t mech_output_token = GSS_C_NO_BUFFER; + gss_buffer_desc mech_buf; + gss_OID preferred_mech_type = GSS_C_NO_OID; + gssspnego_ctx ctx; + gssspnego_cred acceptor_cred = (gssspnego_cred)acceptor_cred_handle; + + *minor_status = 0; + + output_token->length = 0; + output_token->value = NULL; + + if (src_name != NULL) + *src_name = GSS_C_NO_NAME; + + if (mech_type != NULL) + *mech_type = GSS_C_NO_OID; + + if (ret_flags != NULL) + *ret_flags = 0; + + if (time_rec != NULL) + *time_rec = 0; + + if (delegated_cred_handle != NULL) + *delegated_cred_handle = GSS_C_NO_CREDENTIAL; + + mech_buf.value = NULL; + + if (*context_handle == GSS_C_NO_CONTEXT) { + ret = _gss_spnego_alloc_sec_context(minor_status, + context_handle); + if (ret != GSS_S_COMPLETE) + return ret; + + if (input_token_buffer->length == 0) { + return send_supported_mechs (minor_status, + output_token); + } + } + + ctx = (gssspnego_ctx)*context_handle; + + /* + * The GSS-API encapsulation is only present on the initial + * context token (negTokenInit). + */ + ret = gss_decapsulate_token (input_token_buffer, + GSS_SPNEGO_MECHANISM, + &data); + initialToken = (ret == GSS_S_COMPLETE); + + if (!initialToken) { + data.value = input_token_buffer->value; + data.length = input_token_buffer->length; + } + + ret = der_match_tag_and_length(data.value, data.length, + ASN1_C_CONTEXT, CONS, + initialToken ? 0 : 1, + &len, &taglen); + if (ret) { + *minor_status = ret; + return GSS_S_FAILURE; + } + + if (len > data.length - taglen) { + *minor_status = ASN1_OVERRUN; + return GSS_S_FAILURE; + } + + if (initialToken) { + ret = decode_NegTokenInit((const unsigned char *)data.value + taglen, + len, &ni, &ni_len); + } else { + ret = decode_NegTokenResp((const unsigned char *)data.value + taglen, + len, &na, &na_len); + } + if (ret) { + *minor_status = ret; + return GSS_S_DEFECTIVE_TOKEN; + } + + if (!initialToken && na.negResult != NULL) { + negResult = *(na.negResult); + } + + if (negResult == reject || negResult == request_mic) { + /* request_mic should only be sent by acceptor */ + free_NegTokenResp(&na); + return GSS_S_DEFECTIVE_TOKEN; + } + + if (initialToken) { + for (i = 0; i < ni.mechTypes.len; ++i) { + /* Call glue layer to find first mech we support */ + ret = _gss_spnego_select_mech(minor_status, &ni.mechTypes.val[i], + &preferred_mech_type); + if (ret == 0) + break; + } + if (preferred_mech_type == GSS_C_NO_OID) { + free_NegTokenInit(&ni); + return GSS_S_BAD_MECH; + } + } + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + + if (initialToken) { + ctx->preferred_mech_type = preferred_mech_type; + ctx->initiator_mech_types.len = ni.mechTypes.len; + ctx->initiator_mech_types.val = ni.mechTypes.val; + ni.mechTypes.len = 0; + ni.mechTypes.val = NULL; + } + + { + gss_buffer_desc ibuf, obuf; + int require_mic, verify_mic, get_mic; + int require_response; + heim_octet_string *mic; + + if (initialToken) { + if (ni.mechToken != NULL) { + ibuf.length = ni.mechToken->length; + ibuf.value = ni.mechToken->data; + mech_input_token = &ibuf; + } + } else { + if (na.responseToken != NULL) { + ibuf.length = na.responseToken->length; + ibuf.value = na.responseToken->data; + mech_input_token = &ibuf; + } + } + + if (mech_input_token != GSS_C_NO_BUFFER) { + gss_cred_id_t mech_cred; + gss_cred_id_t mech_delegated_cred; + gss_cred_id_t *mech_delegated_cred_p; + + if (acceptor_cred != NULL) + mech_cred = acceptor_cred->negotiated_cred_id; + else + mech_cred = GSS_C_NO_CREDENTIAL; + + if (delegated_cred_handle != NULL) { + mech_delegated_cred = GSS_C_NO_CREDENTIAL; + mech_delegated_cred_p = &mech_delegated_cred; + } else { + mech_delegated_cred_p = NULL; + } + + if (ctx->mech_src_name != GSS_C_NO_NAME) + gss_release_name(&minor, &ctx->mech_src_name); + + if (ctx->delegated_cred_id != GSS_C_NO_CREDENTIAL) + _gss_spnego_release_cred(&minor, &ctx->delegated_cred_id); + + ret = gss_accept_sec_context(&minor, + &ctx->negotiated_ctx_id, + mech_cred, + mech_input_token, + input_chan_bindings, + &ctx->mech_src_name, + &ctx->negotiated_mech_type, + &obuf, + &ctx->mech_flags, + &ctx->mech_time_rec, + mech_delegated_cred_p); + if (ret == GSS_S_COMPLETE || ret == GSS_S_CONTINUE_NEEDED) { + if (mech_delegated_cred_p != NULL && + mech_delegated_cred != GSS_C_NO_CREDENTIAL) { + ret2 = _gss_spnego_alloc_cred(minor_status, + mech_delegated_cred, + &ctx->delegated_cred_id); + if (ret2 != GSS_S_COMPLETE) + ret = ret2; + } + mech_output_token = &obuf; + } + if (ret != GSS_S_COMPLETE && ret != GSS_S_CONTINUE_NEEDED) { + if (initialToken) + free_NegTokenInit(&ni); + else + free_NegTokenResp(&na); + send_reject (minor_status, output_token); + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + if (ret == GSS_S_COMPLETE) + ctx->open = 1; + } else + ret = GSS_S_COMPLETE; + + ret2 = _gss_spnego_require_mechlist_mic(minor_status, + ctx, + &require_mic); + if (ret2) + goto out; + + ctx->require_mic = require_mic; + + mic = initialToken ? ni.mechListMIC : na.mechListMIC; + if (mic != NULL) + require_mic = 1; + + if (ctx->open && require_mic) { + if (mech_input_token == GSS_C_NO_BUFFER) { /* Even/One */ + verify_mic = 1; + get_mic = 0; + } else if (mech_output_token != GSS_C_NO_BUFFER && + mech_output_token->length == 0) { /* Odd */ + get_mic = verify_mic = 1; + } else { /* Even/One */ + verify_mic = 0; + get_mic = 1; + } + + if (verify_mic || get_mic) { + int eret; + size_t buf_len; + + ASN1_MALLOC_ENCODE(MechTypeList, + mech_buf.value, mech_buf.length, + &ctx->initiator_mech_types, &buf_len, eret); + if (eret) { + ret2 = GSS_S_FAILURE; + *minor_status = eret; + goto out; + } + if (mech_buf.length != buf_len) + abort(); + } + + if (verify_mic) { + ret2 = verify_mechlist_mic(minor_status, ctx, &mech_buf, mic); + if (ret2) { + if (get_mic) + send_reject (minor_status, output_token); + goto out; + } + + ctx->verified_mic = 1; + } + } else + verify_mic = get_mic = 0; + + if (ctx->mech_flags & GSS_C_DCE_STYLE) + require_response = (negResult != accept_completed); + else + require_response = 0; + + /* + * Check whether we need to send a result: there should be only + * one accept_completed response sent in the entire negotiation + */ + if ((mech_output_token != GSS_C_NO_BUFFER && + mech_output_token->length != 0) + || require_response + || get_mic) { + ret2 = send_accept (minor_status, + ctx, + mech_output_token, + initialToken, + get_mic ? &mech_buf : NULL, + output_token); + if (ret2) + goto out; + } + + out: + if (ret2 != GSS_S_COMPLETE) + ret = ret2; + if (mech_output_token != NULL) + gss_release_buffer(&minor, mech_output_token); + if (mech_buf.value != NULL) + free(mech_buf.value); + if (initialToken) + free_NegTokenInit(&ni); + else + free_NegTokenResp(&na); + } + + if (ret == GSS_S_COMPLETE) { + if (src_name != NULL) { + ret2 = gss_duplicate_name(minor_status, + ctx->mech_src_name, + src_name); + if (ret2 != GSS_S_COMPLETE) + ret = ret2; + } + if (delegated_cred_handle != NULL) { + *delegated_cred_handle = ctx->delegated_cred_id; + ctx->delegated_cred_id = GSS_C_NO_CREDENTIAL; + } + } + + if (mech_type != NULL) + *mech_type = ctx->negotiated_mech_type; + if (ret_flags != NULL) + *ret_flags = ctx->mech_flags; + if (time_rec != NULL) + *time_rec = ctx->mech_time_rec; + + if (ret == GSS_S_COMPLETE || ret == GSS_S_CONTINUE_NEEDED) { + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + return ret; + } + + _gss_spnego_internal_delete_sec_context(&minor, context_handle, + GSS_C_NO_BUFFER); + + return ret; +} + |