Annotation of embedaddon/strongswan/src/libimcv/generic/generic_attr_chunk.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2015 Andreas Steffen
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: #include "generic_attr_chunk.h"
! 17:
! 18: #include <imcv.h>
! 19: #include <pen/pen.h>
! 20: #include <utils/debug.h>
! 21:
! 22: typedef struct private_generic_attr_chunk_t private_generic_attr_chunk_t;
! 23:
! 24: /**
! 25: * Private data of an generic_attr_chunk_t object.
! 26: */
! 27: struct private_generic_attr_chunk_t {
! 28:
! 29: /**
! 30: * Public members of generic_attr_chunk_t
! 31: */
! 32: generic_attr_chunk_t public;
! 33:
! 34: /**
! 35: * Vendor-specific attribute type
! 36: */
! 37: pen_type_t type;
! 38:
! 39: /**
! 40: * Length of attribute value
! 41: */
! 42: size_t length;
! 43:
! 44: /**
! 45: * Fixed size of attribute value, set to 0 if dynamic
! 46: */
! 47: size_t size;
! 48:
! 49: /**
! 50: * Attribute value or segment
! 51: */
! 52: chunk_t value;
! 53:
! 54: /**
! 55: * Noskip flag
! 56: */
! 57: bool noskip_flag;
! 58:
! 59: /**
! 60: * Reference count
! 61: */
! 62: refcount_t ref;
! 63: };
! 64:
! 65: METHOD(pa_tnc_attr_t, get_type, pen_type_t,
! 66: private_generic_attr_chunk_t *this)
! 67: {
! 68: return this->type;
! 69: }
! 70:
! 71: METHOD(pa_tnc_attr_t, get_value, chunk_t,
! 72: private_generic_attr_chunk_t *this)
! 73: {
! 74: return this->value;
! 75: }
! 76:
! 77: METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
! 78: private_generic_attr_chunk_t *this)
! 79: {
! 80: return this->noskip_flag;
! 81: }
! 82:
! 83: METHOD(pa_tnc_attr_t, set_noskip_flag,void,
! 84: private_generic_attr_chunk_t *this, bool noskip)
! 85: {
! 86: this->noskip_flag = noskip;
! 87: }
! 88:
! 89: METHOD(pa_tnc_attr_t, build, void,
! 90: private_generic_attr_chunk_t *this)
! 91: {
! 92: return;
! 93: }
! 94:
! 95: METHOD(pa_tnc_attr_t, process, status_t,
! 96: private_generic_attr_chunk_t *this, uint32_t *offset)
! 97: {
! 98: enum_name_t *pa_attr_names;
! 99: *offset = 0;
! 100:
! 101: if (this->value.len < this->length)
! 102: {
! 103: return NEED_MORE;
! 104: }
! 105: pa_attr_names = imcv_pa_tnc_attributes->get_names(imcv_pa_tnc_attributes,
! 106: this->type.vendor_id);
! 107:
! 108: if ((this->size == 0 && this->value.len > this->length) ||
! 109: (this->size != 0 && this->value.len != this->size))
! 110: {
! 111: DBG1(DBG_TNC, "inconsistent length of %N/%N string attribute",
! 112: pen_names, this->type.vendor_id, pa_attr_names, this->type.type);
! 113: return FAILED;
! 114: }
! 115:
! 116: return SUCCESS;
! 117: }
! 118:
! 119: METHOD(pa_tnc_attr_t, add_segment, void,
! 120: private_generic_attr_chunk_t *this, chunk_t segment)
! 121: {
! 122: this->value = chunk_cat("mc", this->value, segment);
! 123: }
! 124:
! 125: METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
! 126: private_generic_attr_chunk_t *this)
! 127: {
! 128: ref_get(&this->ref);
! 129: return &this->public.pa_tnc_attribute;
! 130: }
! 131:
! 132: METHOD(pa_tnc_attr_t, destroy, void,
! 133: private_generic_attr_chunk_t *this)
! 134: {
! 135: if (ref_put(&this->ref))
! 136: {
! 137: free(this->value.ptr);
! 138: free(this);
! 139: }
! 140: }
! 141:
! 142: /**
! 143: * Described in header.
! 144: */
! 145: pa_tnc_attr_t *generic_attr_chunk_create_from_data(size_t length, chunk_t value,
! 146: size_t size, pen_type_t type)
! 147: {
! 148: private_generic_attr_chunk_t *this;
! 149:
! 150: INIT(this,
! 151: .public = {
! 152: .pa_tnc_attribute = {
! 153: .get_type = _get_type,
! 154: .get_value = _get_value,
! 155: .get_noskip_flag = _get_noskip_flag,
! 156: .set_noskip_flag = _set_noskip_flag,
! 157: .build = _build,
! 158: .process = _process,
! 159: .add_segment = _add_segment,
! 160: .get_ref = _get_ref,
! 161: .destroy = _destroy,
! 162: },
! 163: },
! 164: .type = type,
! 165: .length = length,
! 166: .size = size,
! 167: .value = chunk_clone(value),
! 168: .ref = 1,
! 169: );
! 170:
! 171: return &this->public.pa_tnc_attribute;
! 172: }
! 173:
! 174: /**
! 175: * Described in header.
! 176: */
! 177: pa_tnc_attr_t *generic_attr_chunk_create(chunk_t value, pen_type_t type)
! 178: {
! 179: return generic_attr_chunk_create_from_data(value.len, value,
! 180: value.len, type);
! 181: }
! 182:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to generic_attr_chunk.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / strongswan / src / libimcv / generic