epan/dissectors/packet-wap.c

   1 /* packet-wap.c
   2  *
   3  * Utility routines for WAP dissectors
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * WAP dissector based on original work by Ben Fowler
  12  * Updated by Neil Hunter <neil.hunter@energis-squared.com>
  13  * WTLS support by Alexandre P. Ferreira (Splice IP)
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  28  */
  29
  30 #include "config.h"
  31
  32 #include <glib.h>
  33 #include <epan/packet.h>
  34 #include "packet-wap.h"
  35
  36 /*
  37  * Accessor to retrieve variable length int as used in WAP protocol.
  38  * The value is encoded in the lower 7 bits. If the top bit is set, then the
  39  * value continues into the next byte.
  40  * The octetCount parameter holds the number of bytes read in order to return
  41  * the final value. Can be pre-initialised to start at offset+count.
  42 */
  43 guint
  44 tvb_get_guintvar (tvbuff_t *tvb, guint offset, guint *octetCount)
  45 {
  46     guint value   = 0;
  47     guint octet;
  48     guint counter = 0;
  49     char  cont    = 1;
  50
  51 #ifdef DEBUG
  52     if (octetCount != NULL)
  53     {
  54         fprintf (stderr, "dissect_wap: Starting tvb_get_guintvar at offset %d, count=%d\n", offset, *octetCount);
  55         /* counter = *octetCount; */
  56     }
  57     else
  58     {
  59         fprintf (stderr, "dissect_wap: Starting tvb_get_guintvar at offset %d, count=NULL\n", offset);
  60     }
  61 #endif
  62
  63     while (cont != 0)
  64     {
  65         value <<= 7;  /* Value only exists in 7 of the 8 bits */
  66         octet = tvb_get_guint8 (tvb, offset+counter);
  67         counter += 1;
  68         value   += (octet & 0x7F);
  69         cont = (octet & 0x80);
  70 #ifdef DEBUG
  71         fprintf (stderr, "dissect_wap: computing: octet is %d (0x%02x), count=%d, value=%d, cont=%d\n",
  72                  octet, octet, counter, value, cont);
  73 #endif
  74     }
  75
  76     if (octetCount != NULL)
  77     {
  78         *octetCount = counter;
  79 #ifdef DEBUG
  80         fprintf (stderr, "dissect_wap: Leaving tvb_get_guintvar count=%d, value=%u\n", *octetCount, value);
  81 #endif
  82     }
  83
  84     return (value);
  85 }
  86
  87 /* See http://www.iana.org/assignments/character-sets for the MIBenum mapping */
  88 /* Updated from 10/04/2012 version */
  89 static const value_string wap_mib_enum_vals_character_sets[] = {
  90     {    0, "*" },
  91     {    3, "US-ASCII" },
  92     {    4, "ISO-8859-1" },
  93     {    5, "ISO-8859-2" },
  94     {    6, "ISO-8859-3" },
  95     {    7, "ISO-8859-4" },
  96     {    8, "ISO-8859-5" },
  97     {    9, "ISO-8859-6" },
  98     {   10, "ISO-8859-7" },
  99     {   11, "ISO-8859-8" },
 100     {   12, "ISO-8859-9" },
 101     {   13, "ISO-8859-10" },
 102     {   14, "ISO_6937-2-add" },
 103     {   15, "JIS_X0201" },
 104     {   16, "JIS_Encoding" },
 105     {   17, "Shift_JIS" },
 106     {   18, "EUC-JP" },
 107     {   19, "Extended_UNIX_Code_Fixed_Width_for_Japanese" },
 108     {   20, "BS_4730" },
 109     {   21, "SEN_850200_C" },
 110     {   22, "IT" },
 111     {   23, "ES" },
 112     {   24, "DIN_66003" },
 113     {   25, "NS_4551-1" },
 114     {   26, "NF_Z_62-010" },
 115     {   27, "ISO-10646-UTF-1" },
 116     {   28, "ISO_646.basic:1983" },
 117     {   29, "INVARIANT" },
 118     {   30, "ISO_646.irv:1983" },
 119     {   31, "NATS-SEFI" },
 120     {   32, "NATS-SEFI-ADD" },
 121     {   33, "NATS-DANO" },
 122     {   34, "NATS-DANO-ADD" },
 123     {   35, "SEN_850200_B" },
 124     {   36, "KS_C_5601-1987" },
 125     {   37, "ISO-2022-KR" },
 126     {   38, "EUC-KR" },
 127     {   39, "ISO-2022-JP" },
 128     {   40, "ISO-2022-JP-2" },
 129     {   41, "JIS_C6220-1969-jp" },
 130     {   42, "JIS_C6220-1969-ro" },
 131     {   43, "PT" },
 132     {   44, "greek7-old" },
 133     {   45, "latin-greek" },
 134     {   46, "NF_Z_62-010_(1973)" },
 135     {   47, "Latin-greek-1" },
 136     {   48, "ISO_5427" },
 137     {   49, "JIS_C6226-1978" },
 138     {   50, "BS_viewdata" },
 139     {   51, "INIS" },
 140     {   52, "INIS-8" },
 141     {   53, "INIS-cyrillic" },
 142     {   54, "ISO_5427:1981" },
 143     {   55, "ISO_5428:1980" },
 144     {   56, "GB_1988-80" },
 145     {   57, "GB_2312-80" },
 146     {   58, "NS_4551-2" },
 147     {   59, "videotex-suppl" },
 148     {   60, "PT2" },
 149     {   61, "ES2" },
 150     {   62, "MSZ_7795.3" },
 151     {   63, "JIS_C6226-1983" },
 152     {   64, "greek7" },
 153     {   65, "ASMO_449" },
 154     {   66, "iso-ir-90" },
 155     {   67, "JIS_C6229-1984-a" },
 156     {   68, "JIS_C6229-1984-b" },
 157     {   69, "JIS_C6229-1984-b-add" },
 158     {   70, "JIS_C6229-1984-hand" },
 159     {   71, "JIS_C6229-1984-hand-add" },
 160     {   72, "JIS_C6229-1984-kana" },
 161     {   73, "ISO_2033-1983" },
 162     {   74, "ANSI_X3.110-1983" },
 163     {   75, "T.61-7bit" },
 164     {   76, "T.61-8bit" },
 165     {   77, "ECMA-cyrillic" },
 166     {   78, "CSA_Z243.4-1985-1" },
 167     {   79, "CSA_Z243.4-1985-2" },
 168     {   80, "CSA_Z243.4-1985-gr" },
 169     {   81, "ISO-8859-6-E" },
 170     {   82, "ISO-8859-6-I" },
 171     {   83, "T.101-G2" },
 172     {   84, "ISO-8859-8-E" },
 173     {   85, "ISO-8859-8-I" },
 174     {   86, "CSN_369103" },
 175     {   87, "JUS_I.B1.002" },
 176     {   88, "IEC_P27-1" },
 177     {   89, "JUS_I.B1.003-serb" },
 178     {   90, "JUS_I.B1.003-mac" },
 179     {   91, "greek-ccitt" },
 180     {   92, "NC_NC00-10:81" },
 181     {   93, "ISO_6937-2-25" },
 182     {   94, "GOST_19768-74" },
 183     {   95, "ISO_8859-supp" },
 184     {   96, "ISO_10367-box" },
 185     {   97, "latin-lap" },
 186     {   98, "JIS_X0212-1990" },
 187     {   99, "DS_2089" },
 188     {  100, "us-dk" },
 189     {  101, "dk-us" },
 190     {  102, "KSC5636" },
 191     {  103, "UNICODE-1-1-UTF-7" },
 192     {  104, "ISO-2022-CN" },
 193     {  105, "ISO-2022-CN-EXT" },
 194     {  106, "UTF-8" },
 195     {  109, "ISO-8859-13" },
 196     {  110, "ISO-8859-14" },
 197     {  111, "ISO-8859-15" },
 198     {  112, "ISO-8859-16" },
 199     {  113, "GBK" },
 200     {  114, "GB18030" },
 201     {  115, "OSD_EBCDIC_DF04_15" },
 202     {  116, "OSD_EBCDIC_DF03_IRV" },
 203     {  117, "OSD_EBCDIC_DF04_1" },
 204     {  118, "ISO-11548-1" },
 205     {  119, "KZ-1048" },
 206
 207     { 1000, "ISO-10646-UCS-2" },
 208     { 1001, "ISO-10646-UCS-4" },
 209     { 1002, "ISO-10646-UCS-Basic" },
 210     { 1003, "ISO-10646-Unicode-Latin1" },
 211     { 1004, "ISO-10646-J-1" },
 212     { 1005, "ISO-Unicode-IBM-1261" },
 213     { 1006, "ISO-Unicode-IBM-1268" },
 214     { 1007, "ISO-Unicode-IBM-1276" },
 215     { 1008, "ISO-Unicode-IBM-1264" },
 216     { 1009, "ISO-Unicode-IBM-1265" },
 217     { 1010, "UNICODE-1-1" },
 218     { 1011, "SCSU" },
 219     { 1012, "UTF-7" },
 220     { 1013, "UTF-16BE" },
 221     { 1014, "UTF-16LE" },
 222     { 1015, "UTF-16" },
 223     { 1016, "CESU-8" },
 224     { 1017, "UTF-32" },
 225     { 1018, "UTF-32BE" },
 226     { 1019, "UTF-32LE" },
 227     { 1020, "BOCU-1" },
 228
 229     { 2000, "ISO-8859-1-Windows-3.0-Latin-1" },
 230     { 2001, "ISO-8859-1-Windows-3.1-Latin-1" },
 231     { 2002, "ISO-8859-2-Windows-Latin-2" },
 232     { 2003, "ISO-8859-9-Windows-Latin-5" },
 233     { 2004, "hp-roman8" },
 234     { 2005, "Adobe-Standard-Encoding" },
 235     { 2006, "Ventura-US" },
 236     { 2007, "Ventura-International" },
 237     { 2008, "DEC-MCS" },
 238     { 2009, "IBM850" },
 239     { 2010, "IBM852" },
 240     { 2011, "IBM437" },
 241     { 2012, "PC8-Danish-Norwegian" },
 242     { 2013, "IBM862" },
 243     { 2014, "PC8-Turkish" },
 244     { 2015, "IBM-Symbols" },
 245     { 2016, "IBM-Thai" },
 246     { 2017, "HP-Legal" },
 247     { 2018, "HP-Pi-font" },
 248     { 2019, "HP-Math8" },
 249     { 2020, "Adobe-Symbol-Encoding" },
 250     { 2021, "HP-DeskTop" },
 251     { 2022, "Ventura-Math" },
 252     { 2023, "Microsoft-Publishing" },
 253     { 2024, "Windows-31J" },
 254     { 2025, "GB2312" },
 255     { 2026, "Big5" },
 256     { 2027, "macintosh" },
 257     { 2028, "IBM037" },
 258     { 2029, "IBM038" },
 259     { 2030, "IBM273" },
 260     { 2031, "IBM274" },
 261     { 2032, "IBM275" },
 262     { 2033, "IBM277" },
 263     { 2034, "IBM278" },
 264     { 2035, "IBM280" },
 265     { 2036, "IBM281" },
 266     { 2037, "IBM284" },
 267     { 2038, "IBM285" },
 268     { 2039, "IBM290" },
 269     { 2040, "IBM297" },
 270     { 2041, "IBM420" },
 271     { 2042, "IBM423" },
 272     { 2043, "IBM424" },
 273     { 2044, "IBM500" },
 274     { 2045, "IBM851" },
 275     { 2046, "IBM855" },
 276     { 2047, "IBM857" },
 277     { 2048, "IBM860" },
 278     { 2049, "IBM861" },
 279     { 2050, "IBM863" },
 280     { 2051, "IBM864" },
 281     { 2052, "IBM865" },
 282     { 2053, "IBM868" },
 283     { 2054, "IBM869" },
 284     { 2055, "IBM870" },
 285     { 2056, "IBM871" },
 286     { 2057, "IBM880" },
 287     { 2058, "IBM891" },
 288     { 2059, "IBM903" },
 289     { 2060, "IBM904" },
 290     { 2061, "IBM905" },
 291     { 2062, "IBM918" },
 292     { 2063, "IBM1026" },
 293     { 2064, "EBCDIC-AT-DE" },
 294     { 2065, "EBCDIC-AT-DE-A" },
 295     { 2066, "EBCDIC-CA-FR" },
 296     { 2067, "EBCDIC-DK-NO" },
 297     { 2068, "EBCDIC-DK-NO-A" },
 298     { 2069, "EBCDIC-FI-SE" },
 299     { 2070, "EBCDIC-FI-SE-A" },
 300     { 2071, "EBCDIC-FR" },
 301     { 2072, "EBCDIC-IT" },
 302     { 2073, "EBCDIC-PT" },
 303     { 2074, "EBCDIC-ES" },
 304     { 2075, "EBCDIC-ES-A" },
 305     { 2076, "EBCDIC-ES-S" },
 306     { 2077, "EBCDIC-UK" },
 307     { 2078, "EBCDIC-US" },
 308     { 2079, "UNKNOWN-8BIT" },
 309     { 2080, "MNEMONIC" },
 310     { 2081, "MNEM" },
 311     { 2082, "VISCII" },
 312     { 2083, "VIQR" },
 313     { 2084, "KOI8-R" },
 314     { 2085, "HZ-GB-2312" },
 315     { 2086, "IBM866" },
 316     { 2087, "IBM775" },
 317     { 2088, "KOI8-U" },
 318     { 2089, "IBM00858" },
 319     { 2090, "IBM00924" },
 320     { 2091, "IBM01140" },
 321     { 2092, "IBM01141" },
 322     { 2093, "IBM01142" },
 323     { 2094, "IBM01143" },
 324     { 2095, "IBM01144" },
 325     { 2096, "IBM01145" },
 326     { 2097, "IBM01146" },
 327     { 2098, "IBM01147" },
 328     { 2099, "IBM01148" },
 329     { 2100, "IBM01149" },
 330     { 2101, "Big5-HKSCS" },
 331     { 2102, "IBM1047" },
 332     { 2103, "PTCP154" },
 333     { 2104, "Amiga-1251" },
 334     { 2105, "KOI7-switched" },
 335     { 2106, "BRF" },
 336     { 2107, "TSCII" },
 337     { 2108, "CP51932" },
 338     { 2109, "windows-874" },
 339
 340     { 2250, "windows-1250" },
 341     { 2251, "windows-1251" },
 342     { 2252, "windows-1252" },
 343     { 2253, "windows-1253" },
 344     { 2254, "windows-1254" },
 345     { 2255, "windows-1255" },
 346     { 2256, "windows-1256" },
 347     { 2257, "windows-1257" },
 348     { 2258, "windows-1258" },
 349     { 2259, "TIS-620" },
 350     { 2260, "CP50220" },
 351     { 0, NULL }
 352 };
 353 value_string_ext wap_mib_enum_vals_character_sets_ext = VALUE_STRING_EXT_INIT(wap_mib_enum_vals_character_sets);