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1.1 ! misho 1: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> ! 2: <html xmlns="http://www.w3.org/1999/xhtml"> ! 3: <head> ! 4: <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> ! 5: <title>libnet: libnet-asn1.h Source File</title> ! 6: <link href="tabs.css" rel="stylesheet" type="text/css"/> ! 7: <link href="doxygen.css" rel="stylesheet" type="text/css"/> ! 8: </head> ! 9: <body> ! 10: <!-- Generated by Doxygen 1.7.4 --> ! 11: <div id="top"> ! 12: <div id="titlearea"> ! 13: <table cellspacing="0" cellpadding="0"> ! 14: <tbody> ! 15: <tr style="height: 56px;"> ! 16: <td style="padding-left: 0.5em;"> ! 17: <div id="projectname">libnet <span id="projectnumber">1.1</span></div> ! 18: </td> ! 19: </tr> ! 20: </tbody> ! 21: </table> ! 22: </div> ! 23: <div id="navrow1" class="tabs"> ! 24: <ul class="tablist"> ! 25: <li><a href="index.html"><span>Main Page</span></a></li> ! 26: <li class="current"><a href="files.html"><span>Files</span></a></li> ! 27: </ul> ! 28: </div> ! 29: <div id="navrow2" class="tabs2"> ! 30: <ul class="tablist"> ! 31: <li><a href="files.html"><span>File List</span></a></li> ! 32: <li><a href="globals.html"><span>Globals</span></a></li> ! 33: </ul> ! 34: </div> ! 35: <div class="header"> ! 36: <div class="headertitle"> ! 37: <div class="title">libnet-asn1.h</div> </div> ! 38: </div> ! 39: <div class="contents"> ! 40: <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> ! 41: <a name="l00002"></a>00002 <span class="comment"> * $Id: libnet-asn1.h,v 1.3 2004/01/17 07:51:19 mike Exp $</span> ! 42: <a name="l00003"></a>00003 <span class="comment"> *</span> ! 43: <a name="l00004"></a>00004 <span class="comment"> * libnet-asn1.h - Network routine library ASN.1 header file</span> ! 44: <a name="l00005"></a>00005 <span class="comment"> *</span> ! 45: <a name="l00006"></a>00006 <span class="comment"> * Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com></span> ! 46: <a name="l00007"></a>00007 <span class="comment"> * All rights reserved.</span> ! 47: <a name="l00008"></a>00008 <span class="comment"> *</span> ! 48: <a name="l00009"></a>00009 <span class="comment"> * Definitions for Abstract Syntax Notation One, ASN.1</span> ! 49: <a name="l00010"></a>00010 <span class="comment"> * As defined in ISO/IS 8824 and ISO/IS 8825</span> ! 50: <a name="l00011"></a>00011 <span class="comment"> *</span> ! 51: <a name="l00012"></a>00012 <span class="comment"> * Copyright 1988, 1989 by Carnegie Mellon University</span> ! 52: <a name="l00013"></a>00013 <span class="comment"> * All rights reserved.</span> ! 53: <a name="l00014"></a>00014 <span class="comment"> *</span> ! 54: <a name="l00015"></a>00015 <span class="comment"> * Permission to use, copy, modify, and distribute this software and its</span> ! 55: <a name="l00016"></a>00016 <span class="comment"> * documentation for any purpose and without fee is hereby granted,</span> ! 56: <a name="l00017"></a>00017 <span class="comment"> * provided that the above copyright notice appear in all copies and that</span> ! 57: <a name="l00018"></a>00018 <span class="comment"> * both that copyright notice and this permission notice appear in</span> ! 58: <a name="l00019"></a>00019 <span class="comment"> * supporting documentation, and that the name of CMU not be</span> ! 59: <a name="l00020"></a>00020 <span class="comment"> * used in advertising or publicity pertaining to distribution of the</span> ! 60: <a name="l00021"></a>00021 <span class="comment"> * software without specific, written prior permission.</span> ! 61: <a name="l00022"></a>00022 <span class="comment"> *</span> ! 62: <a name="l00023"></a>00023 <span class="comment"> * CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING</span> ! 63: <a name="l00024"></a>00024 <span class="comment"> * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL</span> ! 64: <a name="l00025"></a>00025 <span class="comment"> * CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR</span> ! 65: <a name="l00026"></a>00026 <span class="comment"> * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,</span> ! 66: <a name="l00027"></a>00027 <span class="comment"> * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,</span> ! 67: <a name="l00028"></a>00028 <span class="comment"> * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS</span> ! 68: <a name="l00029"></a>00029 <span class="comment"> * SOFTWARE.</span> ! 69: <a name="l00030"></a>00030 <span class="comment"> *</span> ! 70: <a name="l00031"></a>00031 <span class="comment"> * Copyright (c) 1998 - 2001 Mike D. Schiffman <mike@infonexus.com></span> ! 71: <a name="l00032"></a>00032 <span class="comment"> * All rights reserved.</span> ! 72: <a name="l00033"></a>00033 <span class="comment"> *</span> ! 73: <a name="l00034"></a>00034 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span> ! 74: <a name="l00035"></a>00035 <span class="comment"> * modification, are permitted provided that the following conditions</span> ! 75: <a name="l00036"></a>00036 <span class="comment"> * are met:</span> ! 76: <a name="l00037"></a>00037 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span> ! 77: <a name="l00038"></a>00038 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span> ! 78: <a name="l00039"></a>00039 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span> ! 79: <a name="l00040"></a>00040 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span> ! 80: <a name="l00041"></a>00041 <span class="comment"> * documentation and/or other materials provided with the distribution.</span> ! 81: <a name="l00042"></a>00042 <span class="comment"> *</span> ! 82: <a name="l00043"></a>00043 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND</span> ! 83: <a name="l00044"></a>00044 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span> ! 84: <a name="l00045"></a>00045 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span> ! 85: <a name="l00046"></a>00046 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE</span> ! 86: <a name="l00047"></a>00047 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span> ! 87: <a name="l00048"></a>00048 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span> ! 88: <a name="l00049"></a>00049 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span> ! 89: <a name="l00050"></a>00050 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span> ! 90: <a name="l00051"></a>00051 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span> ! 91: <a name="l00052"></a>00052 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span> ! 92: <a name="l00053"></a>00053 <span class="comment"> * SUCH DAMAGE.</span> ! 93: <a name="l00054"></a>00054 <span class="comment"> */</span> ! 94: <a name="l00055"></a>00055 ! 95: <a name="l00056"></a>00056 <span class="preprocessor">#ifndef __LIBNET_ASN1_H</span> ! 96: <a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#define __LIBNET_ASN1_H</span> ! 97: <a name="l00058"></a>00058 <span class="preprocessor"></span> ! 98: <a name="l00059"></a>00059 <span class="preprocessor">#ifndef EIGHTBIT_SUBIDS</span> ! 99: <a name="l00060"></a>00060 <span class="preprocessor"></span><span class="keyword">typedef</span> uint32_t oid; ! 100: <a name="l00061"></a>00061 <span class="preprocessor">#define MAX_SUBID 0xFFFFFFFF</span> ! 101: <a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#else</span> ! 102: <a name="l00063"></a>00063 <span class="preprocessor"></span><span class="keyword">typedef</span> uint8_t oid; ! 103: <a name="l00064"></a>00064 <span class="preprocessor">#define MAX_SUBID 0xFF</span> ! 104: <a name="l00065"></a>00065 <span class="preprocessor"></span><span class="preprocessor">#endif</span> ! 105: <a name="l00066"></a>00066 <span class="preprocessor"></span> ! 106: <a name="l00067"></a>00067 <span class="preprocessor">#define MAX_OID_LEN 64 </span><span class="comment">/* max subid's in an oid */</span> ! 107: <a name="l00068"></a>00068 ! 108: <a name="l00069"></a>00069 <span class="preprocessor">#define ASN_BOOLEAN (0x01)</span> ! 109: <a name="l00070"></a>00070 <span class="preprocessor"></span><span class="preprocessor">#define ASN_INTEGER (0x02)</span> ! 110: <a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#define ASN_BIT_STR (0x03)</span> ! 111: <a name="l00072"></a>00072 <span class="preprocessor"></span><span class="preprocessor">#define ASN_OCTET_STR (0x04)</span> ! 112: <a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define ASN_NULL (0x05)</span> ! 113: <a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#define ASN_OBJECT_ID (0x06)</span> ! 114: <a name="l00075"></a>00075 <span class="preprocessor"></span><span class="preprocessor">#define ASN_SEQUENCE (0x10)</span> ! 115: <a name="l00076"></a>00076 <span class="preprocessor"></span><span class="preprocessor">#define ASN_SET (0x11)</span> ! 116: <a name="l00077"></a>00077 <span class="preprocessor"></span> ! 117: <a name="l00078"></a>00078 <span class="preprocessor">#define ASN_UNIVERSAL (0x00)</span> ! 118: <a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#define ASN_APPLICATION (0x40)</span> ! 119: <a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#define ASN_CONTEXT (0x80)</span> ! 120: <a name="l00081"></a>00081 <span class="preprocessor"></span><span class="preprocessor">#define ASN_PRIVATE (0xC0)</span> ! 121: <a name="l00082"></a>00082 <span class="preprocessor"></span> ! 122: <a name="l00083"></a>00083 <span class="preprocessor">#define ASN_PRIMITIVE (0x00)</span> ! 123: <a name="l00084"></a>00084 <span class="preprocessor"></span><span class="preprocessor">#define ASN_CONSTRUCTOR (0x20)</span> ! 124: <a name="l00085"></a>00085 <span class="preprocessor"></span> ! 125: <a name="l00086"></a>00086 <span class="preprocessor">#define ASN_LONG_LEN (0x80)</span> ! 126: <a name="l00087"></a>00087 <span class="preprocessor"></span><span class="preprocessor">#define ASN_EXTENSION_ID (0x1F)</span> ! 127: <a name="l00088"></a>00088 <span class="preprocessor"></span><span class="preprocessor">#define ASN_BIT8 (0x80)</span> ! 128: <a name="l00089"></a>00089 <span class="preprocessor"></span> ! 129: <a name="l00090"></a>00090 <span class="preprocessor">#define IS_CONSTRUCTOR(byte) ((byte) & ASN_CONSTRUCTOR)</span> ! 130: <a name="l00091"></a>00091 <span class="preprocessor"></span><span class="preprocessor">#define IS_EXTENSION_ID(byte) (((byte) & ASN_EXTENSION_ID) = ASN_EXTENSION_ID)</span> ! 131: <a name="l00092"></a>00092 <span class="preprocessor"></span> ! 132: <a name="l00093"></a>00093 <span class="comment">/*</span> ! 133: <a name="l00094"></a>00094 <span class="comment"> * All of the build_asn1_* (build_asn1_length being an exception) functions</span> ! 134: <a name="l00095"></a>00095 <span class="comment"> * take the same first 3 arguments:</span> ! 135: <a name="l00096"></a>00096 <span class="comment"> *</span> ! 136: <a name="l00097"></a>00097 <span class="comment"> * uint8_t *data: This is a pointer to the start of the data object to be</span> ! 137: <a name="l00098"></a>00098 <span class="comment"> * manipulated.</span> ! 138: <a name="l00099"></a>00099 <span class="comment"> * int *datalen: This is a pointer to the number of valid bytes following</span> ! 139: <a name="l00100"></a>00100 <span class="comment"> * "data". This should be not be exceeded in any function.</span> ! 140: <a name="l00101"></a>00101 <span class="comment"> * Upon exiting a function, this value will reflect the</span> ! 141: <a name="l00102"></a>00102 <span class="comment"> * changed "data" and then refer to the new number of valid</span> ! 142: <a name="l00103"></a>00103 <span class="comment"> * bytes until the end of "data".</span> ! 143: <a name="l00104"></a>00104 <span class="comment"> * uint8_t type: The ASN.1 object type.</span> ! 144: <a name="l00105"></a>00105 <span class="comment"> */</span> ! 145: <a name="l00106"></a>00106 ! 146: <a name="l00107"></a>00107 ! 147: <a name="l00108"></a>00108 <span class="comment">/*</span> ! 148: <a name="l00109"></a>00109 <span class="comment"> * Builds an ASN object containing an integer.</span> ! 149: <a name="l00110"></a>00110 <span class="comment"> *</span> ! 150: <a name="l00111"></a>00111 <span class="comment"> * Returns NULL upon error or a pointer to the first byte past the end of</span> ! 151: <a name="l00112"></a>00112 <span class="comment"> * this object (the start of the next object).</span> ! 152: <a name="l00113"></a>00113 <span class="comment"> */</span> ! 153: <a name="l00114"></a>00114 ! 154: <a name="l00115"></a>00115 uint8_t * ! 155: <a name="l00116"></a>00116 libnet_build_asn1_int( ! 156: <a name="l00117"></a>00117 uint8_t *, <span class="comment">/* Pointer to the output buffer */</span> ! 157: <a name="l00118"></a>00118 <span class="keywordtype">int</span> *, <span class="comment">/* Number of valid bytes left in the buffer */</span> ! 158: <a name="l00119"></a>00119 uint8_t, <span class="comment">/* ASN object type */</span> ! 159: <a name="l00120"></a>00120 int32_t *, <span class="comment">/* Pointer to a int32_t integer */</span> ! 160: <a name="l00121"></a>00121 <span class="keywordtype">int</span> <span class="comment">/* Size of a int32_t integer */</span> ! 161: <a name="l00122"></a>00122 ); ! 162: <a name="l00123"></a>00123 ! 163: <a name="l00124"></a>00124 ! 164: <a name="l00125"></a>00125 <span class="comment">/*</span> ! 165: <a name="l00126"></a>00126 <span class="comment"> * Builds an ASN object containing an unsigned integer.</span> ! 166: <a name="l00127"></a>00127 <span class="comment"> *</span> ! 167: <a name="l00128"></a>00128 <span class="comment"> * Returns NULL upon error or a pointer to the first byte past the end of</span> ! 168: <a name="l00129"></a>00129 <span class="comment"> * this object (the start of the next object).</span> ! 169: <a name="l00130"></a>00130 <span class="comment"> */</span> ! 170: <a name="l00131"></a>00131 ! 171: <a name="l00132"></a>00132 uint8_t * ! 172: <a name="l00133"></a>00133 libnet_build_asn1_uint( ! 173: <a name="l00134"></a>00134 uint8_t *, <span class="comment">/* Pointer to the output buffer */</span> ! 174: <a name="l00135"></a>00135 <span class="keywordtype">int</span> *, <span class="comment">/* Number of valid bytes left in the buffer */</span> ! 175: <a name="l00136"></a>00136 uint8_t, <span class="comment">/* ASN object type */</span> ! 176: <a name="l00137"></a>00137 uint32_t *, <span class="comment">/* Pointer to an unsigned int32_t integer */</span> ! 177: <a name="l00138"></a>00138 <span class="keywordtype">int</span> <span class="comment">/* Size of a int32_t integer */</span> ! 178: <a name="l00139"></a>00139 ); ! 179: <a name="l00140"></a>00140 ! 180: <a name="l00141"></a>00141 ! 181: <a name="l00142"></a>00142 <span class="comment">/*</span> ! 182: <a name="l00143"></a>00143 <span class="comment"> * Builds an ASN object containing an octect string.</span> ! 183: <a name="l00144"></a>00144 <span class="comment"> *</span> ! 184: <a name="l00145"></a>00145 <span class="comment"> * Returns NULL upon error or a pointer to the first byte past the end of</span> ! 185: <a name="l00146"></a>00146 <span class="comment"> * this object (the start of the next object).</span> ! 186: <a name="l00147"></a>00147 <span class="comment"> */</span> ! 187: <a name="l00148"></a>00148 ! 188: <a name="l00149"></a>00149 uint8_t * ! 189: <a name="l00150"></a>00150 libnet_build_asn1_string( ! 190: <a name="l00151"></a>00151 uint8_t *, <span class="comment">/* Pointer to the output buffer */</span> ! 191: <a name="l00152"></a>00152 <span class="keywordtype">int</span> *, <span class="comment">/* Number of valid bytes left in the buffer */</span> ! 192: <a name="l00153"></a>00153 uint8_t, <span class="comment">/* ASN object type */</span> ! 193: <a name="l00154"></a>00154 uint8_t *, <span class="comment">/* Pointer to a string to be built into an object */</span> ! 194: <a name="l00155"></a>00155 <span class="keywordtype">int</span> <span class="comment">/* Size of the string */</span> ! 195: <a name="l00156"></a>00156 ); ! 196: <a name="l00157"></a>00157 ! 197: <a name="l00158"></a>00158 ! 198: <a name="l00159"></a>00159 <span class="comment">/*</span> ! 199: <a name="l00160"></a>00160 <span class="comment"> * Builds an ASN header for an object with the ID and length specified. This</span> ! 200: <a name="l00161"></a>00161 <span class="comment"> * only works on data types < 30, i.e. no extension octets. The maximum</span> ! 201: <a name="l00162"></a>00162 <span class="comment"> * length is 0xFFFF;</span> ! 202: <a name="l00163"></a>00163 <span class="comment"> *</span> ! 203: <a name="l00164"></a>00164 <span class="comment"> * Returns a pointer to the first byte of the contents of this object or</span> ! 204: <a name="l00165"></a>00165 <span class="comment"> * NULL upon error</span> ! 205: <a name="l00166"></a>00166 <span class="comment"> */</span> ! 206: <a name="l00167"></a>00167 ! 207: <a name="l00168"></a>00168 uint8_t * ! 208: <a name="l00169"></a>00169 libnet_build_asn1_header( ! 209: <a name="l00170"></a>00170 uint8_t *, <span class="comment">/* Pointer to the start of the object */</span> ! 210: <a name="l00171"></a>00171 <span class="keywordtype">int</span> *, <span class="comment">/* Number of valid bytes left in buffer */</span> ! 211: <a name="l00172"></a>00172 uint8_t, <span class="comment">/* ASN object type */</span> ! 212: <a name="l00173"></a>00173 <span class="keywordtype">int</span> <span class="comment">/* ASN object length */</span> ! 213: <a name="l00174"></a>00174 ); ! 214: <a name="l00175"></a>00175 ! 215: <a name="l00176"></a>00176 ! 216: <a name="l00177"></a>00177 uint8_t * ! 217: <a name="l00178"></a>00178 libnet_build_asn1_length( ! 218: <a name="l00179"></a>00179 uint8_t *, <span class="comment">/* Pointer to start of object */</span> ! 219: <a name="l00180"></a>00180 <span class="keywordtype">int</span> *, <span class="comment">/* Number of valid bytes in buffer */</span> ! 220: <a name="l00181"></a>00181 <span class="keywordtype">int</span> <span class="comment">/* Length of object */</span> ! 221: <a name="l00182"></a>00182 ); ! 222: <a name="l00183"></a>00183 ! 223: <a name="l00184"></a>00184 ! 224: <a name="l00185"></a>00185 <span class="comment">/*</span> ! 225: <a name="l00186"></a>00186 <span class="comment"> * Builds an ASN header for a sequence with the ID and length specified.</span> ! 226: <a name="l00187"></a>00187 <span class="comment"> *</span> ! 227: <a name="l00188"></a>00188 <span class="comment"> * This only works on data types < 30, i.e. no extension octets.</span> ! 228: <a name="l00189"></a>00189 <span class="comment"> * The maximum length is 0xFFFF;</span> ! 229: <a name="l00190"></a>00190 <span class="comment"> *</span> ! 230: <a name="l00191"></a>00191 <span class="comment"> * Returns a pointer to the first byte of the contents of this object.</span> ! 231: <a name="l00192"></a>00192 <span class="comment"> * Returns NULL on any error.</span> ! 232: <a name="l00193"></a>00193 <span class="comment"> */</span> ! 233: <a name="l00194"></a>00194 ! 234: <a name="l00195"></a>00195 uint8_t * ! 235: <a name="l00196"></a>00196 libnet_build_asn1_sequence( ! 236: <a name="l00197"></a>00197 uint8_t *, ! 237: <a name="l00198"></a>00198 <span class="keywordtype">int</span> *, ! 238: <a name="l00199"></a>00199 uint8_t, ! 239: <a name="l00200"></a>00200 <span class="keywordtype">int</span> ! 240: <a name="l00201"></a>00201 ); ! 241: <a name="l00202"></a>00202 ! 242: <a name="l00203"></a>00203 ! 243: <a name="l00204"></a>00204 <span class="comment">/*</span> ! 244: <a name="l00205"></a>00205 <span class="comment"> * Builds an ASN object identifier object containing the input string.</span> ! 245: <a name="l00206"></a>00206 <span class="comment"> *</span> ! 246: <a name="l00207"></a>00207 <span class="comment"> * Returns NULL upon error or a pointer to the first byte past the end of</span> ! 247: <a name="l00208"></a>00208 <span class="comment"> * this object (the start of the next object).</span> ! 248: <a name="l00209"></a>00209 <span class="comment"> */</span> ! 249: <a name="l00210"></a>00210 ! 250: <a name="l00211"></a>00211 uint8_t * ! 251: <a name="l00212"></a>00212 libnet_build_asn1_objid( ! 252: <a name="l00213"></a>00213 uint8_t *, ! 253: <a name="l00214"></a>00214 <span class="keywordtype">int</span> *, ! 254: <a name="l00215"></a>00215 uint8_t, ! 255: <a name="l00216"></a>00216 oid *, ! 256: <a name="l00217"></a>00217 <span class="keywordtype">int</span> ! 257: <a name="l00218"></a>00218 ); ! 258: <a name="l00219"></a>00219 ! 259: <a name="l00220"></a>00220 ! 260: <a name="l00221"></a>00221 <span class="comment">/*</span> ! 261: <a name="l00222"></a>00222 <span class="comment"> * Builds an ASN null object.</span> ! 262: <a name="l00223"></a>00223 <span class="comment"> *</span> ! 263: <a name="l00224"></a>00224 <span class="comment"> * Returns NULL upon error or a pointer to the first byte past the end of</span> ! 264: <a name="l00225"></a>00225 <span class="comment"> * this object (the start of the next object).</span> ! 265: <a name="l00226"></a>00226 <span class="comment"> */</span> ! 266: <a name="l00227"></a>00227 ! 267: <a name="l00228"></a>00228 uint8_t * ! 268: <a name="l00229"></a>00229 libnet_build_asn1_null( ! 269: <a name="l00230"></a>00230 uint8_t *, ! 270: <a name="l00231"></a>00231 <span class="keywordtype">int</span> *, ! 271: <a name="l00232"></a>00232 uint8_t ! 272: <a name="l00233"></a>00233 ); ! 273: <a name="l00234"></a>00234 ! 274: <a name="l00235"></a>00235 ! 275: <a name="l00236"></a>00236 <span class="comment">/*</span> ! 276: <a name="l00237"></a>00237 <span class="comment"> * Builds an ASN bitstring.</span> ! 277: <a name="l00238"></a>00238 <span class="comment"> *</span> ! 278: <a name="l00239"></a>00239 <span class="comment"> * Returns NULL upon error or a pointer to the first byte past the end of</span> ! 279: <a name="l00240"></a>00240 <span class="comment"> * this object (the start of the next object).</span> ! 280: <a name="l00241"></a>00241 <span class="comment"> */</span> ! 281: <a name="l00242"></a>00242 ! 282: <a name="l00243"></a>00243 uint8_t * ! 283: <a name="l00244"></a>00244 libnet_build_asn1_bitstring( ! 284: <a name="l00245"></a>00245 uint8_t *, ! 285: <a name="l00246"></a>00246 <span class="keywordtype">int</span> *, ! 286: <a name="l00247"></a>00247 uint8_t, ! 287: <a name="l00248"></a>00248 uint8_t *, <span class="comment">/* Pointer to the input buffer */</span> ! 288: <a name="l00249"></a>00249 <span class="keywordtype">int</span> <span class="comment">/* Length of the input buffer */</span> ! 289: <a name="l00250"></a>00250 ); ! 290: <a name="l00251"></a>00251 ! 291: <a name="l00252"></a>00252 ! 292: <a name="l00253"></a>00253 <span class="preprocessor">#endif </span><span class="comment">/* __LIBNET_ASN1_H */</span> ! 293: <a name="l00254"></a>00254 ! 294: <a name="l00255"></a>00255 <span class="comment">/* EOF */</span> ! 295: </pre></div></div> ! 296: </div> ! 297: <hr class="footer"/><address class="footer"><small>Generated on Thu Mar 29 2012 14:19:18 for libnet by  ! 298: <a href="http://www.doxygen.org/index.html"> ! 299: <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address> ! 300: </body> ! 301: </html>