diff options
Diffstat (limited to 'source4/heimdal/lib/gssapi/mech/gss_buffer_set.c')
| -rw-r--r-- | source4/heimdal/lib/gssapi/mech/gss_buffer_set.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/mech/gss_buffer_set.c b/source4/heimdal/lib/gssapi/mech/gss_buffer_set.c new file mode 100644 index 0000000000..9f0bb4cce3 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_buffer_set.c @@ -0,0 +1,125 @@ +/* + * 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 "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_create_empty_buffer_set + (OM_uint32 * minor_status, + gss_buffer_set_t *buffer_set) +{ + gss_buffer_set_t set; + + set = (gss_buffer_set_desc *) malloc(sizeof(*set)); + if (set == GSS_C_NO_BUFFER_SET) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + set->count = 0; + set->elements = NULL; + + *buffer_set = set; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_add_buffer_set_member + (OM_uint32 * minor_status, + const gss_buffer_t member_buffer, + gss_buffer_set_t *buffer_set) +{ + gss_buffer_set_t set; + gss_buffer_t p; + OM_uint32 ret; + + if (*buffer_set == GSS_C_NO_BUFFER_SET) { + ret = gss_create_empty_buffer_set(minor_status, + buffer_set); + if (ret) { + return ret; + } + } + + set = *buffer_set; + set->elements = realloc(set->elements, + (set->count + 1) * sizeof(set->elements[0])); + if (set->elements == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + + p = &set->elements[set->count]; + + p->value = malloc(member_buffer->length); + if (p->value == NULL) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + memcpy(p->value, member_buffer->value, member_buffer->length); + p->length = member_buffer->length; + + set->count++; + + *minor_status = 0; + return GSS_S_COMPLETE; +} + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_release_buffer_set(OM_uint32 * minor_status, + gss_buffer_set_t *buffer_set) +{ + int i; + OM_uint32 minor; + + *minor_status = 0; + + if (*buffer_set == GSS_C_NO_BUFFER_SET) + return GSS_S_COMPLETE; + + for (i = 0; i < (*buffer_set)->count; i++) + gss_release_buffer(&minor, &((*buffer_set)->elements[i])); + + free((*buffer_set)->elements); + + (*buffer_set)->elements = NULL; + (*buffer_set)->count = 0; + + free(*buffer_set); + *buffer_set = GSS_C_NO_BUFFER_SET; + + return GSS_S_COMPLETE; +} + |