mirror of git://git.sysmocom.de/ofono
630 lines
14 KiB
C
630 lines
14 KiB
C
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/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#include <glib.h>
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#include "util.h"
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const unsigned char invalid_gsm_extended[] = {
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0x1b, 0x15
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};
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const unsigned char invalid_gsm_extended_len[] = {
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0x1b, 0x28, 0x1b
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};
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unsigned short gsm_to_unicode_map[] =
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{
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0x00, 0x0040,
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0x01, 0x00A3,
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0x02, 0x0024,
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0x03, 0x00A5,
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0x04, 0x00E8,
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0x05, 0x00E9,
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0x06, 0x00F9,
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0x07, 0x00EC,
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0x08, 0x00F2,
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0x09, 0x00E7,
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0x0A, 0x000A,
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0x0B, 0x00D8,
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0x0C, 0x00F8,
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0x0D, 0x000D,
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0x0E, 0x00C5,
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0x0F, 0x00E5,
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0x10, 0x0394,
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0x11, 0x005F,
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0x12, 0x03A6,
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0x13, 0x0393,
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0x14, 0x039B,
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0x15, 0x03A9,
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0x16, 0x03A0,
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0x17, 0x03A8,
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0x18, 0x03A3,
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0x19, 0x0398,
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0x1A, 0x039E,
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/*0x1B, 0x00A0,*/
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0x1B0A, 0x000C,
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0x1B14, 0x005E,
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0x1B28, 0x007B,
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0x1B29, 0x007D,
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0x1B2F, 0x005C,
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0x1B3C, 0x005B,
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0x1B3D, 0x007E,
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0x1B3E, 0x005D,
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0x1B40, 0x007C,
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0x1B65, 0x20AC,
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0x1C, 0x00C6,
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0x1D, 0x00E6,
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0x1E, 0x00DF,
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0x1F, 0x00C9,
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0x20, 0x0020,
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0x21, 0x0021,
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0x22, 0x0022,
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0x23, 0x0023,
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0x24, 0x00A4,
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0x25, 0x0025,
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0x26, 0x0026,
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0x27, 0x0027,
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0x28, 0x0028,
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0x29, 0x0029,
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0x2A, 0x002A,
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0x2B, 0x002B,
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0x2C, 0x002C,
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0x2D, 0x002D,
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0x2E, 0x002E,
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0x2F, 0x002F,
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0x30, 0x0030,
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0x31, 0x0031,
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0x32, 0x0032,
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0x33, 0x0033,
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0x34, 0x0034,
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0x35, 0x0035,
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0x36, 0x0036,
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0x37, 0x0037,
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0x38, 0x0038,
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0x39, 0x0039,
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0x3A, 0x003A,
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0x3B, 0x003B,
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0x3C, 0x003C,
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0x3D, 0x003D,
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0x3E, 0x003E,
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0x3F, 0x003F,
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0x40, 0x00A1,
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0x41, 0x0041,
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0x42, 0x0042,
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0x43, 0x0043,
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0x44, 0x0044,
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0x45, 0x0045,
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0x46, 0x0046,
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0x47, 0x0047,
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0x48, 0x0048,
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0x49, 0x0049,
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0x4A, 0x004A,
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0x4B, 0x004B,
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0x4C, 0x004C,
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0x4D, 0x004D,
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0x4E, 0x004E,
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0x4F, 0x004F,
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0x50, 0x0050,
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0x51, 0x0051,
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0x52, 0x0052,
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0x53, 0x0053,
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0x54, 0x0054,
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0x55, 0x0055,
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0x56, 0x0056,
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0x57, 0x0057,
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0x58, 0x0058,
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0x59, 0x0059,
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0x5A, 0x005A,
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0x5B, 0x00C4,
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0x5C, 0x00D6,
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0x5D, 0x00D1,
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0x5E, 0x00DC,
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0x5F, 0x00A7,
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0x60, 0x00BF,
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0x61, 0x0061,
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0x62, 0x0062,
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0x63, 0x0063,
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0x64, 0x0064,
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0x65, 0x0065,
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0x66, 0x0066,
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0x67, 0x0067,
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0x68, 0x0068,
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0x69, 0x0069,
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0x6A, 0x006A,
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0x6B, 0x006B,
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0x6C, 0x006C,
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0x6D, 0x006D,
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0x6E, 0x006E,
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0x6F, 0x006F,
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0x70, 0x0070,
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0x71, 0x0071,
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0x72, 0x0072,
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0x73, 0x0073,
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0x74, 0x0074,
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0x75, 0x0075,
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0x76, 0x0076,
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0x77, 0x0077,
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0x78, 0x0078,
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0x79, 0x0079,
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0x7A, 0x007A,
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0x7B, 0x00E4,
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0x7C, 0x00F6,
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0x7D, 0x00F1,
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0x7E, 0x00FC,
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0x7F, 0x00E0,
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};
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#define UTF8_LENGTH(c) \
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((c) < 0x80 ? 1 : \
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((c) < 0x800 ? 2 : 3))
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static void test_invalid()
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{
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long nwritten;
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long nread;
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char *res;
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res = convert_gsm_to_utf8(invalid_gsm_extended, 0, &nread, &nwritten,
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0);
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g_assert(res == NULL);
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g_assert(nread == 0);
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res = convert_gsm_to_utf8(invalid_gsm_extended,
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sizeof(invalid_gsm_extended),
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&nread, &nwritten, 0);
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g_assert(res == NULL);
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g_assert(nread == 1);
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res = convert_gsm_to_utf8(invalid_gsm_extended_len,
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sizeof(invalid_gsm_extended_len),
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&nread, &nwritten, 0);
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g_assert(res == NULL);
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g_assert(nread == 3);
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}
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static void test_valid()
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{
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long nwritten;
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long nread;
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char *res;
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int i;
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long size;
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gunichar *verify;
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unsigned char *back;
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unsigned char buf[2];
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static int map_size =
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sizeof(gsm_to_unicode_map) / sizeof(unsigned short) / 2;
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for (i = 0; i < map_size; i++) {
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unsigned short c = gsm_to_unicode_map[i*2];
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if (c & 0x1b00) {
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buf[0] = 0x1b;
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buf[1] = c & 0x7f;
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size = 2;
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} else {
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size = 1;
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buf[0] = c & 0x7f;
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}
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res = convert_gsm_to_utf8(buf, size, &nread, &nwritten, 0);
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g_assert(res);
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if (g_test_verbose())
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g_print("size: %ld, nread:%ld, nwritten:%ld, %s\n",
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size, nread, nwritten, res);
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g_assert(nread == size);
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verify = g_utf8_to_ucs4(res, -1, NULL, NULL, NULL);
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g_assert(verify[0] == gsm_to_unicode_map[i*2+1]);
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g_assert(verify[1] == 0);
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g_assert(nwritten == UTF8_LENGTH(verify[0]));
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back = convert_utf8_to_gsm(res, -1, &nread, &nwritten, 0);
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g_assert(back);
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g_assert(nwritten == size);
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if (c & 0x1b00) {
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g_assert(back[0] == 0x1b);
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g_assert(back[1] == (c & 0x7f));
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} else {
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g_assert(back[0] == (c & 0x7f));
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}
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g_free(back);
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g_free(verify);
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g_free(res);
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}
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}
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static const char hex_packed[] = "493A283D0795C3F33C88FE06C9CB6132885EC6D34"
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"1EDF27C1E3E97E7207B3A0C0A5241E377BB1D"
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"7693E72E";
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static const char expected[] = "It is easy to read text messages via AT commands.";
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static int reported_text_size = 49;
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static void test_decode_encode()
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{
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const char *sms = hex_packed;
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unsigned char *decoded, *packed;
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char *utf8, *hex_packed;
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unsigned char *gsm, *gsm_encoded;
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long hex_decoded_size;
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long unpacked_size, packed_size;
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long gsm_encoded_size;
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long i;
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if (g_test_verbose())
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g_print("Size of the orig string: %u\n",
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(unsigned int)strlen(sms));
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decoded = decode_hex(sms, -1, &hex_decoded_size, 0);
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g_assert(decoded != NULL);
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if (g_test_verbose())
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g_print("Decode to %ld bytes\n", hex_decoded_size);
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if (g_test_verbose()) {
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g_print("%s\n", sms);
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for (i = 0; i < hex_decoded_size; i++)
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g_print("%02X", decoded[i]);
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g_print("\n");
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}
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gsm = unpack_7bit(decoded, hex_decoded_size, 0, FALSE,
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reported_text_size, &unpacked_size, 0xff);
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g_assert(gsm != NULL);
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if (g_test_verbose())
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g_print("String unpacked to %ld bytes\n", unpacked_size);
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utf8 = convert_gsm_to_utf8(gsm, -1, NULL, NULL, 0xff);
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g_assert(utf8 != NULL);
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if (g_test_verbose())
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g_print("String is: -->%s<--\n", utf8);
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g_assert(strcmp(utf8, expected) == 0);
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gsm_encoded = convert_utf8_to_gsm(utf8, -1, NULL,
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&gsm_encoded_size, 0xff);
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g_assert(gsm_encoded != NULL);
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if (g_test_verbose())
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g_print("Converted back to GSM string of %ld bytes\n",
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gsm_encoded_size);
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g_assert(gsm_encoded[gsm_encoded_size] == 0xff);
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g_assert(gsm_encoded_size == unpacked_size);
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g_assert(memcmp(gsm_encoded, gsm, gsm_encoded_size) == 0);
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g_free(utf8);
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g_free(gsm);
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packed = pack_7bit(gsm_encoded, -1, 0, FALSE, &packed_size, 0xff);
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g_assert(gsm_encoded != NULL);
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if (g_test_verbose())
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g_print("Packed GSM to size of %ld bytes\n", packed_size);
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if (g_test_verbose()) {
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for (i = 0; i < packed_size; i++)
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g_print("%02X", packed[i]);
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g_print("\n");
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}
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g_assert(packed_size == hex_decoded_size);
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g_assert(memcmp(packed, decoded, packed_size) == 0);
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g_free(decoded);
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hex_packed = encode_hex(packed, packed_size, 0);
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g_assert(hex_packed != NULL);
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g_free(packed);
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if (g_test_verbose())
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g_print("Hex encoded packed to size %ld bytes\n",
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(long)strlen(hex_packed));
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g_assert(strlen(hex_packed) == strlen(sms));
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g_assert(strcmp(hex_packed, sms) == 0);
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g_free(hex_packed);
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}
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static void test_pack_size()
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{
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unsigned char c1[] = { 'a' };
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unsigned char c2[] = { 'a', 'b' };
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unsigned char c3[] = { 'a', 'b', 'c' };
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unsigned char c4[] = { 'a', 'b', 'c', 'd' };
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unsigned char c5[] = { 'a', 'b', 'c', 'd', 'e' };
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unsigned char c6[] = { 'a', 'b', 'c', 'd', 'e', 'f' };
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unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
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unsigned char c8[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
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unsigned char *packed;
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long size;
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packed = pack_7bit(c1, 1, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 1);
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g_free(packed);
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packed = pack_7bit(c2, 2, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 2);
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g_free(packed);
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packed = pack_7bit(c3, 3, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 3);
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g_free(packed);
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packed = pack_7bit(c4, 4, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 4);
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g_free(packed);
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packed = pack_7bit(c5, 5, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 5);
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g_free(packed);
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packed = pack_7bit(c6, 6, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 6);
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g_free(packed);
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packed = pack_7bit(c7, 7, 0, FALSE, &size, 0);
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g_assert(packed != NULL);
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g_assert(size == 7);
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g_assert((packed[6] & 0xfe) == 0);
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g_free(packed);
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packed = pack_7bit(c7, 7, 0, TRUE, &size, 0);
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||
|
g_assert(packed != NULL);
|
||
|
g_assert(size == 7);
|
||
|
g_assert(((packed[6] & 0xfe) >> 1) == '\r');
|
||
|
g_free(packed);
|
||
|
|
||
|
packed = pack_7bit(c8, 8, 0, FALSE, &size, 0);
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(size == 7);
|
||
|
g_free(packed);
|
||
|
}
|
||
|
|
||
|
static void test_cr_handling()
|
||
|
{
|
||
|
unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
|
||
|
unsigned char c7_expected[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', '\r' };
|
||
|
unsigned char c8[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', '\r' };
|
||
|
unsigned char c8_expected[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', '\r', '\r' };
|
||
|
|
||
|
unsigned char *packed;
|
||
|
unsigned char *unpacked;
|
||
|
long packed_size;
|
||
|
long unpacked_size;
|
||
|
|
||
|
packed = pack_7bit(c8, 8, 0, TRUE, &packed_size, 0);
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 8);
|
||
|
g_assert(((packed[6] & 0xfe) >> 1) == '\r');
|
||
|
g_assert((packed[7] & 0x7f) == '\r');
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 8, 0, TRUE, -1, &unpacked_size, 0);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 9);
|
||
|
g_assert(memcmp(c8_expected, unpacked, 9) == 0);
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
|
||
|
packed = pack_7bit(c7, 7, 0, TRUE, &packed_size, 0);
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 7);
|
||
|
g_assert(((packed[6] & 0xfe) >> 1) == '\r');
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 7, 0, TRUE, -1, &unpacked_size, 0);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 7);
|
||
|
g_assert(memcmp(c7, unpacked, 7) == 0);
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
|
||
|
/* As above, but now unpack using SMS style, we should now have cr at
|
||
|
* the end of the stream
|
||
|
*/
|
||
|
packed = pack_7bit(c7, 7, 0, TRUE, &packed_size, 0);
|
||
|
unpacked = unpack_7bit(packed, 7, 0, FALSE, 8, &unpacked_size, 0);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 8);
|
||
|
g_assert(memcmp(c7_expected, unpacked, 8) == 0);
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
}
|
||
|
|
||
|
static void test_sms_handling()
|
||
|
{
|
||
|
unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
|
||
|
|
||
|
unsigned char *packed;
|
||
|
unsigned char *unpacked;
|
||
|
long packed_size;
|
||
|
long unpacked_size;
|
||
|
|
||
|
packed = pack_7bit(c7, 7, 0, FALSE, &packed_size, 0);
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 7);
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 7, 0, FALSE, 8, &unpacked_size, 0xff);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 8);
|
||
|
g_assert(unpacked[7] == 0);
|
||
|
g_assert(unpacked[8] == 0xff);
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
|
||
|
packed = pack_7bit(c7, 7, 0, FALSE, &packed_size, 0);
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 7);
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 7, 0, FALSE, 7, &unpacked_size, 0xff);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 7);
|
||
|
g_assert(unpacked[7] == 0xff);
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
}
|
||
|
|
||
|
static void test_offset_handling()
|
||
|
{
|
||
|
unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
|
||
|
unsigned char c8[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
|
||
|
unsigned char c9[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
|
||
|
unsigned char *packed;
|
||
|
unsigned char *unpacked;
|
||
|
long packed_size;
|
||
|
long unpacked_size;
|
||
|
|
||
|
/* Pack at offset = 2 bytes, e.g. starting with 21st bit */
|
||
|
packed = pack_7bit(c7, 6, 2, FALSE, &packed_size, 0);
|
||
|
|
||
|
if (g_test_verbose())
|
||
|
g_print("Packed to size: %ld\n", packed_size);
|
||
|
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 6);
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 6, 2, FALSE, 6, &unpacked_size, 0xff);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 6);
|
||
|
g_assert(unpacked[6] == 0xff);
|
||
|
g_assert(unpacked[0] == 'a');
|
||
|
g_assert(unpacked[5] == 'f');
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
|
||
|
/* Pack at offset = 6 bytes, we should be able to fit one character
|
||
|
* into the first byte, and the other 7 characters into the following
|
||
|
* 7 bytes. The 7 MSB bits of the last byte should be 0 since
|
||
|
* we're not using CBS packing
|
||
|
*/
|
||
|
packed = pack_7bit(c8, 8, 6, FALSE, &packed_size, 0);
|
||
|
|
||
|
if (g_test_verbose())
|
||
|
g_print("Packed to size: %ld\n", packed_size);
|
||
|
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 8);
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 8, 6, FALSE, 8, &unpacked_size, 0xff);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 8);
|
||
|
g_assert(unpacked[8] == 0xff);
|
||
|
g_assert(unpacked[0] == 'a');
|
||
|
g_assert(unpacked[7] == 'h');
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
|
||
|
/* Same as above, but instead pack in 9 characters */
|
||
|
packed = pack_7bit(c9, 9, 6, FALSE, &packed_size, 0);
|
||
|
|
||
|
if (g_test_verbose())
|
||
|
g_print("Packed to size: %ld\n", packed_size);
|
||
|
|
||
|
g_assert(packed != NULL);
|
||
|
g_assert(packed_size == 8);
|
||
|
|
||
|
unpacked = unpack_7bit(packed, 8, 6, FALSE, 9, &unpacked_size, 0xff);
|
||
|
if (g_test_verbose())
|
||
|
g_print("Unpacked to size: %ld\n", unpacked_size);
|
||
|
|
||
|
g_assert(unpacked != NULL);
|
||
|
g_assert(unpacked_size == 9);
|
||
|
g_assert(unpacked[9] == 0xff);
|
||
|
g_assert(unpacked[0] == 'a');
|
||
|
g_assert(unpacked[8] == 'i');
|
||
|
|
||
|
g_free(unpacked);
|
||
|
g_free(packed);
|
||
|
}
|
||
|
|
||
|
int main(int argc, char **argv)
|
||
|
{
|
||
|
g_test_init(&argc, &argv, NULL);
|
||
|
|
||
|
g_test_add_func("/testutil/Invalid Conversions", test_invalid);
|
||
|
g_test_add_func("/testutil/Valid Conversions", test_valid);
|
||
|
g_test_add_func("/testutil/Decode Encode", test_decode_encode);
|
||
|
g_test_add_func("/testutil/Pack Size", test_pack_size);
|
||
|
g_test_add_func("/testutil/CBS CR Handling", test_cr_handling);
|
||
|
g_test_add_func("/testutil/SMS Handling", test_sms_handling);
|
||
|
g_test_add_func("/testutil/Offset Handling", test_offset_handling);
|
||
|
|
||
|
return g_test_run();
|
||
|
}
|