Annotation of embedaddon/strongswan/src/libimcv/ietf/ietf_attr_op_status.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2012-2014 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 "ietf_attr_op_status.h"
! 17:
! 18: #include <pa_tnc/pa_tnc_msg.h>
! 19: #include <bio/bio_writer.h>
! 20: #include <bio/bio_reader.h>
! 21: #include <utils/debug.h>
! 22:
! 23: #include <time.h>
! 24:
! 25: typedef struct private_ietf_attr_op_status_t private_ietf_attr_op_status_t;
! 26:
! 27: ENUM(op_status_names, OP_STATUS_UNKNOWN, OP_STATUS_OPERATIONAL,
! 28: "unknown",
! 29: "not installed",
! 30: "installed",
! 31: "operational"
! 32: );
! 33:
! 34: ENUM(op_result_names, OP_RESULT_UNKNOWN, OP_RESULT_UNSUCCESSFUL,
! 35: "unknown",
! 36: "successful",
! 37: "errored",
! 38: "unsuccessful"
! 39: );
! 40:
! 41: /**
! 42: * PA-TNC Operational Status type (see section 4.2.5 of RFC 5792)
! 43: *
! 44: * 1 2 3
! 45: * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
! 46: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 47: * | Status | Result | Reserved |
! 48: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 49: * | Last Use |
! 50: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 51: * | Last Use (continued) |
! 52: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 53: * | Last Use (continued) |
! 54: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 55: * | Last Use (continued) |
! 56: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 57: * | Last Use (continued) |
! 58: * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! 59: */
! 60:
! 61: #define OP_STATUS_SIZE 24
! 62:
! 63: /**
! 64: * Private data of an ietf_attr_op_status_t object.
! 65: */
! 66: struct private_ietf_attr_op_status_t {
! 67:
! 68: /**
! 69: * Public members of ietf_attr_op_status_t
! 70: */
! 71: ietf_attr_op_status_t public;
! 72:
! 73: /**
! 74: * Vendor-specific attribute type
! 75: */
! 76: pen_type_t type;
! 77:
! 78: /**
! 79: * Length of attribute value
! 80: */
! 81: size_t length;
! 82:
! 83: /**
! 84: * Attribute value or segment
! 85: */
! 86: chunk_t value;
! 87:
! 88: /**
! 89: * Noskip flag
! 90: */
! 91: bool noskip_flag;
! 92:
! 93: /**
! 94: * Status
! 95: */
! 96: uint8_t status;
! 97:
! 98: /**
! 99: * Result
! 100: */
! 101: uint8_t result;
! 102:
! 103: /**
! 104: * Last Use
! 105: */
! 106: time_t last_use;
! 107:
! 108: /**
! 109: * Reference count
! 110: */
! 111: refcount_t ref;
! 112: };
! 113:
! 114: METHOD(pa_tnc_attr_t, get_type, pen_type_t,
! 115: private_ietf_attr_op_status_t *this)
! 116: {
! 117: return this->type;
! 118: }
! 119:
! 120: METHOD(pa_tnc_attr_t, get_value, chunk_t,
! 121: private_ietf_attr_op_status_t *this)
! 122: {
! 123: return this->value;
! 124: }
! 125:
! 126: METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
! 127: private_ietf_attr_op_status_t *this)
! 128: {
! 129: return this->noskip_flag;
! 130: }
! 131:
! 132: METHOD(pa_tnc_attr_t, set_noskip_flag,void,
! 133: private_ietf_attr_op_status_t *this, bool noskip)
! 134: {
! 135: this->noskip_flag = noskip;
! 136: }
! 137:
! 138: METHOD(pa_tnc_attr_t, build, void,
! 139: private_ietf_attr_op_status_t *this)
! 140: {
! 141: bio_writer_t *writer;
! 142: char last_use[24];
! 143: struct tm t;
! 144:
! 145: if (this->value.ptr)
! 146: {
! 147: return;
! 148: }
! 149:
! 150: /* Conversion from time_t to RFC 3339 ASCII string */
! 151: gmtime_r(&this->last_use, &t);
! 152: snprintf(last_use, 21, "%04d-%02d-%02dT%02d:%02d:%02dZ", 1900 + t.tm_year,
! 153: t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
! 154:
! 155: writer = bio_writer_create(OP_STATUS_SIZE);
! 156: writer->write_uint8 (writer, this->status);
! 157: writer->write_uint8 (writer, this->result);
! 158: writer->write_uint16(writer, 0x0000);
! 159: writer->write_data (writer, chunk_create(last_use, 20));
! 160:
! 161: this->value = writer->extract_buf(writer);
! 162: this->length = this->value.len;
! 163: writer->destroy(writer);
! 164: }
! 165:
! 166: METHOD(pa_tnc_attr_t, process, status_t,
! 167: private_ietf_attr_op_status_t *this, uint32_t *offset)
! 168: {
! 169: bio_reader_t *reader;
! 170: chunk_t last_use;
! 171: uint16_t reserved;
! 172: struct tm t;
! 173: char buf[BUF_LEN];
! 174:
! 175: *offset = 0;
! 176:
! 177: if (this->value.len < this->length)
! 178: {
! 179: return NEED_MORE;
! 180: }
! 181: if (this->value.len != OP_STATUS_SIZE)
! 182: {
! 183: DBG1(DBG_TNC, "incorrect size for IETF operational status");
! 184: return FAILED;
! 185: }
! 186: reader = bio_reader_create(this->value);
! 187: reader->read_uint8 (reader, &this->status);
! 188: reader->read_uint8 (reader, &this->result);
! 189: reader->read_uint16(reader, &reserved);
! 190: reader->read_data (reader, 20, &last_use);
! 191: reader->destroy(reader);
! 192:
! 193: if (this->status > OP_STATUS_ROOF)
! 194: {
! 195: DBG1(DBG_TNC, "invalid status value %c for IETF operational status",
! 196: this->status);
! 197: return FAILED;
! 198: }
! 199:
! 200: *offset = 1;
! 201:
! 202: if (this->result > OP_RESULT_ROOF)
! 203: {
! 204: DBG1(DBG_TNC, "invalid result value %c for IETF operational status",
! 205: this->result);
! 206: return FAILED;
! 207: }
! 208:
! 209: *offset = 4;
! 210:
! 211: /* Conversion from RFC 3339 ASCII string to time_t */
! 212: snprintf(buf, sizeof(buf), "%.*s", (int)last_use.len, last_use.ptr);
! 213: if (sscanf(buf, "%4d-%2d-%2dT%2d:%2d:%2dZ", &t.tm_year, &t.tm_mon,
! 214: &t.tm_mday, &t.tm_hour, &t.tm_min, &t.tm_sec) != 6)
! 215: {
! 216: DBG1(DBG_TNC, "invalid last_use time format in IETF operational status");
! 217: return FAILED;
! 218: }
! 219: t.tm_year -= 1900;
! 220: t.tm_mon -= 1;
! 221: t.tm_isdst = 0;
! 222: this->last_use = mktime(&t) - timezone;
! 223:
! 224: return SUCCESS;
! 225: }
! 226:
! 227: METHOD(pa_tnc_attr_t, add_segment, void,
! 228: private_ietf_attr_op_status_t *this, chunk_t segment)
! 229: {
! 230: this->value = chunk_cat("mc", this->value, segment);
! 231: }
! 232:
! 233: METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
! 234: private_ietf_attr_op_status_t *this)
! 235: {
! 236: ref_get(&this->ref);
! 237: return &this->public.pa_tnc_attribute;
! 238: }
! 239:
! 240: METHOD(pa_tnc_attr_t, destroy, void,
! 241: private_ietf_attr_op_status_t *this)
! 242: {
! 243: if (ref_put(&this->ref))
! 244: {
! 245: free(this->value.ptr);
! 246: free(this);
! 247: }
! 248: }
! 249:
! 250: METHOD(ietf_attr_op_status_t, get_status, uint8_t,
! 251: private_ietf_attr_op_status_t *this)
! 252: {
! 253: return this->status;
! 254: }
! 255:
! 256: METHOD(ietf_attr_op_status_t, get_result, uint8_t,
! 257: private_ietf_attr_op_status_t *this)
! 258: {
! 259: return this->result;
! 260: }
! 261:
! 262: METHOD(ietf_attr_op_status_t, get_last_use, time_t,
! 263: private_ietf_attr_op_status_t *this)
! 264: {
! 265: return this->last_use;
! 266: }
! 267:
! 268: /**
! 269: * Described in header.
! 270: */
! 271: pa_tnc_attr_t *ietf_attr_op_status_create(uint8_t status, uint8_t result,
! 272: time_t last_use)
! 273: {
! 274: private_ietf_attr_op_status_t *this;
! 275:
! 276: INIT(this,
! 277: .public = {
! 278: .pa_tnc_attribute = {
! 279: .get_type = _get_type,
! 280: .get_value = _get_value,
! 281: .get_noskip_flag = _get_noskip_flag,
! 282: .set_noskip_flag = _set_noskip_flag,
! 283: .build = _build,
! 284: .process = _process,
! 285: .add_segment = _add_segment,
! 286: .get_ref = _get_ref,
! 287: .destroy = _destroy,
! 288: },
! 289: .get_status = _get_status,
! 290: .get_result = _get_result,
! 291: .get_last_use = _get_last_use,
! 292: },
! 293: .type = { PEN_IETF, IETF_ATTR_OPERATIONAL_STATUS },
! 294: .status = status,
! 295: .result = result,
! 296: .last_use = last_use,
! 297: .ref = 1,
! 298: );
! 299:
! 300: return &this->public.pa_tnc_attribute;
! 301: }
! 302:
! 303: /**
! 304: * Described in header.
! 305: */
! 306: pa_tnc_attr_t *ietf_attr_op_status_create_from_data(size_t length, chunk_t data)
! 307: {
! 308: private_ietf_attr_op_status_t *this;
! 309:
! 310: INIT(this,
! 311: .public = {
! 312: .pa_tnc_attribute = {
! 313: .get_type = _get_type,
! 314: .get_value = _get_value,
! 315: .get_noskip_flag = _get_noskip_flag,
! 316: .set_noskip_flag = _set_noskip_flag,
! 317: .build = _build,
! 318: .process = _process,
! 319: .add_segment = _add_segment,
! 320: .get_ref = _get_ref,
! 321: .destroy = _destroy,
! 322: },
! 323: .get_status = _get_status,
! 324: .get_result = _get_result,
! 325: .get_last_use = _get_last_use,
! 326: },
! 327: .type = { PEN_IETF, IETF_ATTR_OPERATIONAL_STATUS },
! 328: .value = chunk_clone(data),
! 329: .ref = 1,
! 330: );
! 331:
! 332: return &this->public.pa_tnc_attribute;
! 333: }
! 334:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to ietf_attr_op_status.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 / ietf