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dmrcon.c
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/*
DMRCon - DMR Server/TG Connector
Copyright (C) 2019 Doug McLain
Based on code from https://github.com/juribeparada/MMDVM_CM
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <netdb.h>
#include <ctype.h>
#include <time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#define BUFSIZE 2048
#define TIMEOUT 60
//#define DEBUG
#define SWAP(n) (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
#define K(I) roundConstants[I]
static const uint32_t roundConstants[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL,
};
const unsigned char POLY[] = {64U, 56U, 14U, 1U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U};
const unsigned char EXP_TABLE[] = {
0x01U, 0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U, 0x1DU, 0x3AU, 0x74U, 0xE8U, 0xCDU, 0x87U, 0x13U, 0x26U,
0x4CU, 0x98U, 0x2DU, 0x5AU, 0xB4U, 0x75U, 0xEAU, 0xC9U, 0x8FU, 0x03U, 0x06U, 0x0CU, 0x18U, 0x30U, 0x60U, 0xC0U,
0x9DU, 0x27U, 0x4EU, 0x9CU, 0x25U, 0x4AU, 0x94U, 0x35U, 0x6AU, 0xD4U, 0xB5U, 0x77U, 0xEEU, 0xC1U, 0x9FU, 0x23U,
0x46U, 0x8CU, 0x05U, 0x0AU, 0x14U, 0x28U, 0x50U, 0xA0U, 0x5DU, 0xBAU, 0x69U, 0xD2U, 0xB9U, 0x6FU, 0xDEU, 0xA1U,
0x5FU, 0xBEU, 0x61U, 0xC2U, 0x99U, 0x2FU, 0x5EU, 0xBCU, 0x65U, 0xCAU, 0x89U, 0x0FU, 0x1EU, 0x3CU, 0x78U, 0xF0U,
0xFDU, 0xE7U, 0xD3U, 0xBBU, 0x6BU, 0xD6U, 0xB1U, 0x7FU, 0xFEU, 0xE1U, 0xDFU, 0xA3U, 0x5BU, 0xB6U, 0x71U, 0xE2U,
0xD9U, 0xAFU, 0x43U, 0x86U, 0x11U, 0x22U, 0x44U, 0x88U, 0x0DU, 0x1AU, 0x34U, 0x68U, 0xD0U, 0xBDU, 0x67U, 0xCEU,
0x81U, 0x1FU, 0x3EU, 0x7CU, 0xF8U, 0xEDU, 0xC7U, 0x93U, 0x3BU, 0x76U, 0xECU, 0xC5U, 0x97U, 0x33U, 0x66U, 0xCCU,
0x85U, 0x17U, 0x2EU, 0x5CU, 0xB8U, 0x6DU, 0xDAU, 0xA9U, 0x4FU, 0x9EU, 0x21U, 0x42U, 0x84U, 0x15U, 0x2AU, 0x54U,
0xA8U, 0x4DU, 0x9AU, 0x29U, 0x52U, 0xA4U, 0x55U, 0xAAU, 0x49U, 0x92U, 0x39U, 0x72U, 0xE4U, 0xD5U, 0xB7U, 0x73U,
0xE6U, 0xD1U, 0xBFU, 0x63U, 0xC6U, 0x91U, 0x3FU, 0x7EU, 0xFCU, 0xE5U, 0xD7U, 0xB3U, 0x7BU, 0xF6U, 0xF1U, 0xFFU,
0xE3U, 0xDBU, 0xABU, 0x4BU, 0x96U, 0x31U, 0x62U, 0xC4U, 0x95U, 0x37U, 0x6EU, 0xDCU, 0xA5U, 0x57U, 0xAEU, 0x41U,
0x82U, 0x19U, 0x32U, 0x64U, 0xC8U, 0x8DU, 0x07U, 0x0EU, 0x1CU, 0x38U, 0x70U, 0xE0U, 0xDDU, 0xA7U, 0x53U, 0xA6U,
0x51U, 0xA2U, 0x59U, 0xB2U, 0x79U, 0xF2U, 0xF9U, 0xEFU, 0xC3U, 0x9BU, 0x2BU, 0x56U, 0xACU, 0x45U, 0x8AU, 0x09U,
0x12U, 0x24U, 0x48U, 0x90U, 0x3DU, 0x7AU, 0xF4U, 0xF5U, 0xF7U, 0xF3U, 0xFBU, 0xEBU, 0xCBU, 0x8BU, 0x0BU, 0x16U,
0x2CU, 0x58U, 0xB0U, 0x7DU, 0xFAU, 0xE9U, 0xCFU, 0x83U, 0x1BU, 0x36U, 0x6CU, 0xD8U, 0xADU, 0x47U, 0x8EU, 0x01U,
0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U, 0x1DU, 0x3AU, 0x74U, 0xE8U, 0xCDU, 0x87U, 0x13U, 0x26U, 0x4CU,
0x98U, 0x2DU, 0x5AU, 0xB4U, 0x75U, 0xEAU, 0xC9U, 0x8FU, 0x03U, 0x06U, 0x0CU, 0x18U, 0x30U, 0x60U, 0xC0U, 0x9DU,
0x27U, 0x4EU, 0x9CU, 0x25U, 0x4AU, 0x94U, 0x35U, 0x6AU, 0xD4U, 0xB5U, 0x77U, 0xEEU, 0xC1U, 0x9FU, 0x23U, 0x46U,
0x8CU, 0x05U, 0x0AU, 0x14U, 0x28U, 0x50U, 0xA0U, 0x5DU, 0xBAU, 0x69U, 0xD2U, 0xB9U, 0x6FU, 0xDEU, 0xA1U, 0x5FU,
0xBEU, 0x61U, 0xC2U, 0x99U, 0x2FU, 0x5EU, 0xBCU, 0x65U, 0xCAU, 0x89U, 0x0FU, 0x1EU, 0x3CU, 0x78U, 0xF0U, 0xFDU,
0xE7U, 0xD3U, 0xBBU, 0x6BU, 0xD6U, 0xB1U, 0x7FU, 0xFEU, 0xE1U, 0xDFU, 0xA3U, 0x5BU, 0xB6U, 0x71U, 0xE2U, 0xD9U,
0xAFU, 0x43U, 0x86U, 0x11U, 0x22U, 0x44U, 0x88U, 0x0DU, 0x1AU, 0x34U, 0x68U, 0xD0U, 0xBDU, 0x67U, 0xCEU, 0x81U,
0x1FU, 0x3EU, 0x7CU, 0xF8U, 0xEDU, 0xC7U, 0x93U, 0x3BU, 0x76U, 0xECU, 0xC5U, 0x97U, 0x33U, 0x66U, 0xCCU, 0x85U,
0x17U, 0x2EU, 0x5CU, 0xB8U, 0x6DU, 0xDAU, 0xA9U, 0x4FU, 0x9EU, 0x21U, 0x42U, 0x84U, 0x15U, 0x2AU, 0x54U, 0xA8U,
0x4DU, 0x9AU, 0x29U, 0x52U, 0xA4U, 0x55U, 0xAAU, 0x49U, 0x92U, 0x39U, 0x72U, 0xE4U, 0xD5U, 0xB7U, 0x73U, 0xE6U,
0xD1U, 0xBFU, 0x63U, 0xC6U, 0x91U, 0x3FU, 0x7EU, 0xFCU, 0xE5U, 0xD7U, 0xB3U, 0x7BU, 0xF6U, 0xF1U, 0xFFU, 0xE3U,
0xDBU, 0xABU, 0x4BU, 0x96U, 0x31U, 0x62U, 0xC4U, 0x95U, 0x37U, 0x6EU, 0xDCU, 0xA5U, 0x57U, 0xAEU, 0x41U, 0x82U,
0x19U, 0x32U, 0x64U, 0xC8U, 0x8DU, 0x07U, 0x0EU, 0x1CU, 0x38U, 0x70U, 0xE0U, 0xDDU, 0xA7U, 0x53U, 0xA6U, 0x51U,
0xA2U, 0x59U, 0xB2U, 0x79U, 0xF2U, 0xF9U, 0xEFU, 0xC3U, 0x9BU, 0x2BU, 0x56U, 0xACU, 0x45U, 0x8AU, 0x09U, 0x12U,
0x24U, 0x48U, 0x90U, 0x3DU, 0x7AU, 0xF4U, 0xF5U, 0xF7U, 0xF3U, 0xFBU, 0xEBU, 0xCBU, 0x8BU, 0x0BU, 0x16U, 0x2CU,
0x58U, 0xB0U, 0x7DU, 0xFAU, 0xE9U, 0xCFU, 0x83U, 0x1BU, 0x36U, 0x6CU, 0xD8U, 0xADU, 0x47U, 0x8EU, 0x01U, 0x00U
};
const unsigned char LOG_TABLE[] = {
0x00U, 0x00U, 0x01U, 0x19U, 0x02U, 0x32U, 0x1AU, 0xC6U, 0x03U, 0xDFU, 0x33U, 0xEEU, 0x1BU, 0x68U, 0xC7U, 0x4BU,
0x04U, 0x64U, 0xE0U, 0x0EU, 0x34U, 0x8DU, 0xEFU, 0x81U, 0x1CU, 0xC1U, 0x69U, 0xF8U, 0xC8U, 0x08U, 0x4CU, 0x71U,
0x05U, 0x8AU, 0x65U, 0x2FU, 0xE1U, 0x24U, 0x0FU, 0x21U, 0x35U, 0x93U, 0x8EU, 0xDAU, 0xF0U, 0x12U, 0x82U, 0x45U,
0x1DU, 0xB5U, 0xC2U, 0x7DU, 0x6AU, 0x27U, 0xF9U, 0xB9U, 0xC9U, 0x9AU, 0x09U, 0x78U, 0x4DU, 0xE4U, 0x72U, 0xA6U,
0x06U, 0xBFU, 0x8BU, 0x62U, 0x66U, 0xDDU, 0x30U, 0xFDU, 0xE2U, 0x98U, 0x25U, 0xB3U, 0x10U, 0x91U, 0x22U, 0x88U,
0x36U, 0xD0U, 0x94U, 0xCEU, 0x8FU, 0x96U, 0xDBU, 0xBDU, 0xF1U, 0xD2U, 0x13U, 0x5CU, 0x83U, 0x38U, 0x46U, 0x40U,
0x1EU, 0x42U, 0xB6U, 0xA3U, 0xC3U, 0x48U, 0x7EU, 0x6EU, 0x6BU, 0x3AU, 0x28U, 0x54U, 0xFAU, 0x85U, 0xBAU, 0x3DU,
0xCAU, 0x5EU, 0x9BU, 0x9FU, 0x0AU, 0x15U, 0x79U, 0x2BU, 0x4EU, 0xD4U, 0xE5U, 0xACU, 0x73U, 0xF3U, 0xA7U, 0x57U,
0x07U, 0x70U, 0xC0U, 0xF7U, 0x8CU, 0x80U, 0x63U, 0x0DU, 0x67U, 0x4AU, 0xDEU, 0xEDU, 0x31U, 0xC5U, 0xFEU, 0x18U,
0xE3U, 0xA5U, 0x99U, 0x77U, 0x26U, 0xB8U, 0xB4U, 0x7CU, 0x11U, 0x44U, 0x92U, 0xD9U, 0x23U, 0x20U, 0x89U, 0x2EU,
0x37U, 0x3FU, 0xD1U, 0x5BU, 0x95U, 0xBCU, 0xCFU, 0xCDU, 0x90U, 0x87U, 0x97U, 0xB2U, 0xDCU, 0xFCU, 0xBEU, 0x61U,
0xF2U, 0x56U, 0xD3U, 0xABU, 0x14U, 0x2AU, 0x5DU, 0x9EU, 0x84U, 0x3CU, 0x39U, 0x53U, 0x47U, 0x6DU, 0x41U, 0xA2U,
0x1FU, 0x2DU, 0x43U, 0xD8U, 0xB7U, 0x7BU, 0xA4U, 0x76U, 0xC4U, 0x17U, 0x49U, 0xECU, 0x7FU, 0x0CU, 0x6FU, 0xF6U,
0x6CU, 0xA1U, 0x3BU, 0x52U, 0x29U, 0x9DU, 0x55U, 0xAAU, 0xFBU, 0x60U, 0x86U, 0xB1U, 0xBBU, 0xCCU, 0x3EU, 0x5AU,
0xCBU, 0x59U, 0x5FU, 0xB0U, 0x9CU, 0xA9U, 0xA0U, 0x51U, 0x0BU, 0xF5U, 0x16U, 0xEBU, 0x7AU, 0x75U, 0x2CU, 0xD7U,
0x4FU, 0xAEU, 0xD5U, 0xE9U, 0xE6U, 0xE7U, 0xADU, 0xE8U, 0x74U, 0xD6U, 0xF4U, 0xEAU, 0xA8U, 0x50U, 0x58U, 0xAFU
};
const unsigned int ENCODING_TABLE_2087[] =
{0x0000U, 0xB08EU, 0xE093U, 0x501DU, 0x70A9U, 0xC027U, 0x903AU, 0x20B4U, 0x60DCU, 0xD052U, 0x804FU, 0x30C1U,
0x1075U, 0xA0FBU, 0xF0E6U, 0x4068U, 0x7036U, 0xC0B8U, 0x90A5U, 0x202BU, 0x009FU, 0xB011U, 0xE00CU, 0x5082U,
0x10EAU, 0xA064U, 0xF079U, 0x40F7U, 0x6043U, 0xD0CDU, 0x80D0U, 0x305EU, 0xD06CU, 0x60E2U, 0x30FFU, 0x8071U,
0xA0C5U, 0x104BU, 0x4056U, 0xF0D8U, 0xB0B0U, 0x003EU, 0x5023U, 0xE0ADU, 0xC019U, 0x7097U, 0x208AU, 0x9004U,
0xA05AU, 0x10D4U, 0x40C9U, 0xF047U, 0xD0F3U, 0x607DU, 0x3060U, 0x80EEU, 0xC086U, 0x7008U, 0x2015U, 0x909BU,
0xB02FU, 0x00A1U, 0x50BCU, 0xE032U, 0x90D9U, 0x2057U, 0x704AU, 0xC0C4U, 0xE070U, 0x50FEU, 0x00E3U, 0xB06DU,
0xF005U, 0x408BU, 0x1096U, 0xA018U, 0x80ACU, 0x3022U, 0x603FU, 0xD0B1U, 0xE0EFU, 0x5061U, 0x007CU, 0xB0F2U,
0x9046U, 0x20C8U, 0x70D5U, 0xC05BU, 0x8033U, 0x30BDU, 0x60A0U, 0xD02EU, 0xF09AU, 0x4014U, 0x1009U, 0xA087U,
0x40B5U, 0xF03BU, 0xA026U, 0x10A8U, 0x301CU, 0x8092U, 0xD08FU, 0x6001U, 0x2069U, 0x90E7U, 0xC0FAU, 0x7074U,
0x50C0U, 0xE04EU, 0xB053U, 0x00DDU, 0x3083U, 0x800DU, 0xD010U, 0x609EU, 0x402AU, 0xF0A4U, 0xA0B9U, 0x1037U,
0x505FU, 0xE0D1U, 0xB0CCU, 0x0042U, 0x20F6U, 0x9078U, 0xC065U, 0x70EBU, 0xA03DU, 0x10B3U, 0x40AEU, 0xF020U,
0xD094U, 0x601AU, 0x3007U, 0x8089U, 0xC0E1U, 0x706FU, 0x2072U, 0x90FCU, 0xB048U, 0x00C6U, 0x50DBU, 0xE055U,
0xD00BU, 0x6085U, 0x3098U, 0x8016U, 0xA0A2U, 0x102CU, 0x4031U, 0xF0BFU, 0xB0D7U, 0x0059U, 0x5044U, 0xE0CAU,
0xC07EU, 0x70F0U, 0x20EDU, 0x9063U, 0x7051U, 0xC0DFU, 0x90C2U, 0x204CU, 0x00F8U, 0xB076U, 0xE06BU, 0x50E5U,
0x108DU, 0xA003U, 0xF01EU, 0x4090U, 0x6024U, 0xD0AAU, 0x80B7U, 0x3039U, 0x0067U, 0xB0E9U, 0xE0F4U, 0x507AU,
0x70CEU, 0xC040U, 0x905DU, 0x20D3U, 0x60BBU, 0xD035U, 0x8028U, 0x30A6U, 0x1012U, 0xA09CU, 0xF081U, 0x400FU,
0x30E4U, 0x806AU, 0xD077U, 0x60F9U, 0x404DU, 0xF0C3U, 0xA0DEU, 0x1050U, 0x5038U, 0xE0B6U, 0xB0ABU, 0x0025U,
0x2091U, 0x901FU, 0xC002U, 0x708CU, 0x40D2U, 0xF05CU, 0xA041U, 0x10CFU, 0x307BU, 0x80F5U, 0xD0E8U, 0x6066U,
0x200EU, 0x9080U, 0xC09DU, 0x7013U, 0x50A7U, 0xE029U, 0xB034U, 0x00BAU, 0xE088U, 0x5006U, 0x001BU, 0xB095U,
0x9021U, 0x20AFU, 0x70B2U, 0xC03CU, 0x8054U, 0x30DAU, 0x60C7U, 0xD049U, 0xF0FDU, 0x4073U, 0x106EU, 0xA0E0U,
0x90BEU, 0x2030U, 0x702DU, 0xC0A3U, 0xE017U, 0x5099U, 0x0084U, 0xB00AU, 0xF062U, 0x40ECU, 0x10F1U, 0xA07FU,
0x80CBU, 0x3045U, 0x6058U, 0xD0D6U
};
const uint32_t ENCODING_TABLE_1676[] =
{0x0000U, 0x0273U, 0x04E5U, 0x0696U, 0x09C9U, 0x0BBAU, 0x0D2CU, 0x0F5FU, 0x11E2U, 0x1391U, 0x1507U, 0x1774U,
0x182BU, 0x1A58U, 0x1CCEU, 0x1EBDU, 0x21B7U, 0x23C4U, 0x2552U, 0x2721U, 0x287EU, 0x2A0DU, 0x2C9BU, 0x2EE8U,
0x3055U, 0x3226U, 0x34B0U, 0x36C3U, 0x399CU, 0x3BEFU, 0x3D79U, 0x3F0AU, 0x411EU, 0x436DU, 0x45FBU, 0x4788U,
0x48D7U, 0x4AA4U, 0x4C32U, 0x4E41U, 0x50FCU, 0x528FU, 0x5419U, 0x566AU, 0x5935U, 0x5B46U, 0x5DD0U, 0x5FA3U,
0x60A9U, 0x62DAU, 0x644CU, 0x663FU, 0x6960U, 0x6B13U, 0x6D85U, 0x6FF6U, 0x714BU, 0x7338U, 0x75AEU, 0x77DDU,
0x7882U, 0x7AF1U, 0x7C67U, 0x7E14U, 0x804FU, 0x823CU, 0x84AAU, 0x86D9U, 0x8986U, 0x8BF5U, 0x8D63U, 0x8F10U,
0x91ADU, 0x93DEU, 0x9548U, 0x973BU, 0x9864U, 0x9A17U, 0x9C81U, 0x9EF2U, 0xA1F8U, 0xA38BU, 0xA51DU, 0xA76EU,
0xA831U, 0xAA42U, 0xACD4U, 0xAEA7U, 0xB01AU, 0xB269U, 0xB4FFU, 0xB68CU, 0xB9D3U, 0xBBA0U, 0xBD36U, 0xBF45U,
0xC151U, 0xC322U, 0xC5B4U, 0xC7C7U, 0xC898U, 0xCAEBU, 0xCC7DU, 0xCE0EU, 0xD0B3U, 0xD2C0U, 0xD456U, 0xD625U,
0xD97AU, 0xDB09U, 0xDD9FU, 0xDFECU, 0xE0E6U, 0xE295U, 0xE403U, 0xE670U, 0xE92FU, 0xEB5CU, 0xEDCAU, 0xEFB9U,
0xF104U, 0xF377U, 0xF5E1U, 0xF792U, 0xF8CDU, 0xFABEU, 0xFC28U, 0xFE5BU
};
#define F2(A,B,C) ( ( A & B ) | ( C & ( A | B ) ) )
#define F1(E,F,G) ( G ^ ( E & ( F ^ G ) ) )
struct sockaddr_in host1;
struct sockaddr_in host2;
int udp1;
int udp2;
fd_set udpset;
uint8_t buf[BUFSIZE];
uint32_t host1_cnt;
uint32_t host2_cnt;
char callsign[10U];
int dmrid;
uint32_t sha256_state[8U];
uint32_t sha256_total[2];
uint32_t sha256_buffer[32U];
uint32_t sha256_buflen;
bool bptc_rawData[196];
bool bptc_deInterData[196];
bool emb_raw[128U];
bool emb_data[72U];
int rx_srcid;
int tx_tgid;
int host1_tg;
int host2_tg;
char *host1_pw;
char *host2_pw;
static const unsigned char fillbuf[64] = { 0x80, 0 };
#define DISCONNECTED 0
#define CONNECTING 1
#define DMR_AUTH 2
#define DMR_CONF 3
#define DMR_OPTS 4
#define CONNECTED_RW 5
#define CONNECTED_RO 6
void byteToBitsBE(unsigned char byte, bool* bits)
{
bits[0U] = (byte & 0x80U) == 0x80U;
bits[1U] = (byte & 0x40U) == 0x40U;
bits[2U] = (byte & 0x20U) == 0x20U;
bits[3U] = (byte & 0x10U) == 0x10U;
bits[4U] = (byte & 0x08U) == 0x08U;
bits[5U] = (byte & 0x04U) == 0x04U;
bits[6U] = (byte & 0x02U) == 0x02U;
bits[7U] = (byte & 0x01U) == 0x01U;
}
void bitsToByteBE(bool* bits, unsigned char* byte)
{
*byte = bits[0U] ? 0x80U : 0x00U;
*byte |= bits[1U] ? 0x40U : 0x00U;
*byte |= bits[2U] ? 0x20U : 0x00U;
*byte |= bits[3U] ? 0x10U : 0x00U;
*byte |= bits[4U] ? 0x08U : 0x00U;
*byte |= bits[5U] ? 0x04U : 0x00U;
*byte |= bits[6U] ? 0x02U : 0x00U;
*byte |= bits[7U] ? 0x01U : 0x00U;
}
int max(int x, int y)
{
if (x > y)
return x;
else
return y;
}
static inline void set_uint32(unsigned char* cp, uint32_t v)
{
memcpy(cp, &v, sizeof v);
}
void process_signal(int sig)
{
static uint32_t c1 = 0;
static uint32_t c2 = 0;
static int cnt = 0;
uint8_t b[20];
uint8_t out[55];
if(sig == SIGINT){
fprintf(stderr, "\n\nShutting down link\n");
b[0] = 'R';
b[1] = 'P';
b[2] = 'T';
b[3] = 'C';
b[4] = 'L';
b[5] = (dmrid >> 24) & 0xff;
b[6] = (dmrid >> 16) & 0xff;
b[7] = (dmrid >> 8) & 0xff;
b[8] = (dmrid >> 0) & 0xff;
sendto(udp1, b, 9, 0, (const struct sockaddr *)&host1, sizeof(host1));
sendto(udp2, b, 9, 0, (const struct sockaddr *)&host2, sizeof(host2));
#ifdef DEBUG
fprintf(stderr, "SEND BOTH: ");
for(int i = 0; i < 14; ++i){
fprintf(stderr, "%02x ", b[i]);
}
fprintf(stderr, "\n");
fflush(stderr);
#endif
close(udp1);
close(udp2);
exit(EXIT_SUCCESS);
}
if(sig == SIGALRM){
++cnt;
char tag[] = { 'R','P','T','P','I','N','G' };
memcpy(b, tag, 7);
b[7] = (dmrid >> 24) & 0xff;
b[8] = (dmrid >> 16) & 0xff;
b[9] = (dmrid >> 8) & 0xff;
b[10] = (dmrid >> 0) & 0xff;
sendto(udp1, b, 11, 0, (const struct sockaddr *)&host1, sizeof(host1));
sendto(udp2, b, 11, 0, (const struct sockaddr *)&host2, sizeof(host2));
#ifdef DEBUG
fprintf(stderr, "SEND BOTH: ");
for(int i = 0; i < 11; ++i){
fprintf(stderr, "%02x ", b[i]);
}
fprintf(stderr, "\n");
fflush(stderr);
#endif
alarm(5);
}
}
void hamming_encode15113_2(bool* d)
{
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
d[14] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10];
}
void hamming_encode1393(bool* d)
{
d[9] = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6];
d[10] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7];
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[8];
}
void bptc_encode(const unsigned char* in, unsigned char* out)
{
//Extract
bool bData[96U];
byteToBitsBE(in[0U], bData + 0U);
byteToBitsBE(in[1U], bData + 8U);
byteToBitsBE(in[2U], bData + 16U);
byteToBitsBE(in[3U], bData + 24U);
byteToBitsBE(in[4U], bData + 32U);
byteToBitsBE(in[5U], bData + 40U);
byteToBitsBE(in[6U], bData + 48U);
byteToBitsBE(in[7U], bData + 56U);
byteToBitsBE(in[8U], bData + 64U);
byteToBitsBE(in[9U], bData + 72U);
byteToBitsBE(in[10U], bData + 80U);
byteToBitsBE(in[11U], bData + 88U);
for (unsigned int i = 0U; i < 196U; i++)
bptc_deInterData[i] = false;
unsigned int pos = 0U;
for (unsigned int a = 4U; a <= 11U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 16U; a <= 26U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 31U; a <= 41U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 46U; a <= 56U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 61U; a <= 71U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 76U; a <= 86U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 91U; a <= 101U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 106U; a <= 116U; a++, pos++)
bptc_deInterData[a] = bData[pos];
for (unsigned int a = 121U; a <= 131U; a++, pos++)
bptc_deInterData[a] = bData[pos];
//Error check
for (unsigned int r = 0U; r < 9U; r++) {
unsigned int pos = (r * 15U) + 1U;
hamming_encode15113_2(bptc_deInterData + pos);
}
bool col[13U];
for (unsigned int c = 0U; c < 15U; c++) {
unsigned int pos = c + 1U;
for (unsigned int a = 0U; a < 13U; a++) {
col[a] = bptc_deInterData[pos];
pos = pos + 15U;
}
hamming_encode1393(col);
pos = c + 1U;
for (unsigned int a = 0U; a < 13U; a++) {
bptc_deInterData[pos] = col[a];
pos = pos + 15U;
}
}
//Interleave
for (unsigned int i = 0U; i < 196U; i++)
bptc_rawData[i] = false;
for (unsigned int a = 0U; a < 196U; a++) {
unsigned int interleaveSequence = (a * 181U) % 196U;
bptc_rawData[interleaveSequence] = bptc_deInterData[a];
}
//Extract
bitsToByteBE(bptc_rawData + 0U, &out[0U]);
bitsToByteBE(bptc_rawData + 8U, &out[1U]);
bitsToByteBE(bptc_rawData + 16U, &out[2U]);
bitsToByteBE(bptc_rawData + 24U, &out[3U]);
bitsToByteBE(bptc_rawData + 32U, &out[4U]);
bitsToByteBE(bptc_rawData + 40U, &out[5U]);
bitsToByteBE(bptc_rawData + 48U, &out[6U]);
bitsToByteBE(bptc_rawData + 56U, &out[7U]);
bitsToByteBE(bptc_rawData + 64U, &out[8U]);
bitsToByteBE(bptc_rawData + 72U, &out[9U]);
bitsToByteBE(bptc_rawData + 80U, &out[10U]);
bitsToByteBE(bptc_rawData + 88U, &out[11U]);
unsigned char byte;
bitsToByteBE(bptc_rawData + 96U, &byte);
out[12U] = (out[12U] & 0x3FU) | ((byte >> 0) & 0xC0U);
out[20U] = (out[20U] & 0xFCU) | ((byte >> 4) & 0x03U);
bitsToByteBE(bptc_rawData + 100U, &out[21U]);
bitsToByteBE(bptc_rawData + 108U, &out[22U]);
bitsToByteBE(bptc_rawData + 116U, &out[23U]);
bitsToByteBE(bptc_rawData + 124U, &out[24U]);
bitsToByteBE(bptc_rawData + 132U, &out[25U]);
bitsToByteBE(bptc_rawData + 140U, &out[26U]);
bitsToByteBE(bptc_rawData + 148U, &out[27U]);
bitsToByteBE(bptc_rawData + 156U, &out[28U]);
bitsToByteBE(bptc_rawData + 164U, &out[29U]);
bitsToByteBE(bptc_rawData + 172U, &out[30U]);
bitsToByteBE(bptc_rawData + 180U, &out[31U]);
bitsToByteBE(bptc_rawData + 188U, &out[32U]);
}
unsigned char rs129_gmult(unsigned char a, unsigned char b)
{
if (a == 0U || b == 0U)
return 0U;
unsigned int i = LOG_TABLE[a];
unsigned int j = LOG_TABLE[b];
return EXP_TABLE[i + j];
}
void generate_header()
{
uint8_t sync_ms_data[] = { 0x0D,0x5D,0x7F,0x77,0xFD,0x75,0x70 };
uint8_t payload[33];
memset(payload, 0, sizeof(payload));
uint8_t lc[12];
{
memset(lc, 0, sizeof(lc));
//DESTID/TGID
lc[3] = buf[8];
lc[4] = buf[9];
lc[5] = buf[10];
//SRCID
lc[6] = buf[5];
lc[7] = buf[6];
lc[8] = buf[7];
uint8_t parity[4];
//RS129 Encode begin
for (unsigned int i = 0U; i < 3U + 1U; i++)
parity[i] = 0x00U;
for (unsigned int i = 0U; i < 9; i++) {
unsigned char dbyte = lc[i] ^ parity[3U - 1U];
for (int j = 3U - 1; j > 0; j--)
parity[j] = parity[j - 1] ^ rs129_gmult(POLY[j], dbyte);
parity[0] = rs129_gmult(POLY[0], dbyte);
}
//RS129 Encode end
lc[9] = parity[2] ^ 0x96;
lc[10] = parity[1] ^ 0x96;
lc[11] = parity[0] ^ 0x96;
}
memcpy(payload+13, sync_ms_data, sizeof(sync_ms_data));
{
uint8_t slottype[3];
memset(slottype, 0, sizeof(slottype));
slottype[0] = (1 << 4) & 0xF0;
slottype[0] |= (1 << 0) & 0x0FU;
//Golay2087 encoding
slottype[1U] = ENCODING_TABLE_2087[slottype[0]] & 0xFFU;
slottype[2U] = ENCODING_TABLE_2087[slottype[0]] >> 8;
payload[12U] = (payload[12U] & 0xC0U) | ((slottype[0U] >> 2) & 0x3FU);
payload[13U] = (payload[13U] & 0x0FU) | ((slottype[0U] << 6) & 0xC0U) | ((slottype[1U] >> 2) & 0x30U);
payload[19U] = (payload[19U] & 0xF0U) | ((slottype[1U] >> 2) & 0x0FU);
payload[20U] = (payload[20U] & 0x03U) | ((slottype[1U] << 6) & 0xC0U) | ((slottype[2U] >> 2) & 0x3CU);
}
bptc_encode(lc, payload);
memcpy(buf + 20, payload, 33);
}
void sha256_process_block(const unsigned char* buffer, unsigned int len)
{
const uint32_t* words = (uint32_t*)buffer;
unsigned int nwords = len / sizeof(uint32_t);
const uint32_t* endp = words + nwords;
uint32_t x[16];
uint32_t a = sha256_state[0];
uint32_t b = sha256_state[1];
uint32_t c = sha256_state[2];
uint32_t d = sha256_state[3];
uint32_t e = sha256_state[4];
uint32_t f = sha256_state[5];
uint32_t g = sha256_state[6];
uint32_t h = sha256_state[7];
sha256_total[0] += len;
if (sha256_total[0] < len)
++sha256_total[1];
#define rol(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
#define S0(x) (rol(x,25)^rol(x,14)^(x>>3))
#define S1(x) (rol(x,15)^rol(x,13)^(x>>10))
#define SS0(x) (rol(x,30)^rol(x,19)^rol(x,10))
#define SS1(x) (rol(x,26)^rol(x,21)^rol(x,7))
#define M(I) (tm = S1(x[(I-2)&0x0f]) + x[(I-7)&0x0f] + S0(x[(I-15)&0x0f]) + x[I&0x0f], x[I&0x0f] = tm)
#define R(A,B,C,D,E,F,G,H,K,M) do { t0 = SS0(A) + F2(A,B,C); \
t1 = H + SS1(E) + F1(E,F,G) + K + M; \
D += t1; H = t0 + t1; \
} while(0)
while (words < endp) {
uint32_t tm;
uint32_t t0, t1;
for (unsigned int t = 0U; t < 16U; t++) {
x[t] = SWAP(*words);
words++;
}
R( a, b, c, d, e, f, g, h, K( 0), x[ 0] );
R( h, a, b, c, d, e, f, g, K( 1), x[ 1] );
R( g, h, a, b, c, d, e, f, K( 2), x[ 2] );
R( f, g, h, a, b, c, d, e, K( 3), x[ 3] );
R( e, f, g, h, a, b, c, d, K( 4), x[ 4] );
R( d, e, f, g, h, a, b, c, K( 5), x[ 5] );
R( c, d, e, f, g, h, a, b, K( 6), x[ 6] );
R( b, c, d, e, f, g, h, a, K( 7), x[ 7] );
R( a, b, c, d, e, f, g, h, K( 8), x[ 8] );
R( h, a, b, c, d, e, f, g, K( 9), x[ 9] );
R( g, h, a, b, c, d, e, f, K(10), x[10] );
R( f, g, h, a, b, c, d, e, K(11), x[11] );
R( e, f, g, h, a, b, c, d, K(12), x[12] );
R( d, e, f, g, h, a, b, c, K(13), x[13] );
R( c, d, e, f, g, h, a, b, K(14), x[14] );
R( b, c, d, e, f, g, h, a, K(15), x[15] );
R( a, b, c, d, e, f, g, h, K(16), M(16) );
R( h, a, b, c, d, e, f, g, K(17), M(17) );
R( g, h, a, b, c, d, e, f, K(18), M(18) );
R( f, g, h, a, b, c, d, e, K(19), M(19) );
R( e, f, g, h, a, b, c, d, K(20), M(20) );
R( d, e, f, g, h, a, b, c, K(21), M(21) );
R( c, d, e, f, g, h, a, b, K(22), M(22) );
R( b, c, d, e, f, g, h, a, K(23), M(23) );
R( a, b, c, d, e, f, g, h, K(24), M(24) );
R( h, a, b, c, d, e, f, g, K(25), M(25) );
R( g, h, a, b, c, d, e, f, K(26), M(26) );
R( f, g, h, a, b, c, d, e, K(27), M(27) );
R( e, f, g, h, a, b, c, d, K(28), M(28) );
R( d, e, f, g, h, a, b, c, K(29), M(29) );
R( c, d, e, f, g, h, a, b, K(30), M(30) );
R( b, c, d, e, f, g, h, a, K(31), M(31) );
R( a, b, c, d, e, f, g, h, K(32), M(32) );
R( h, a, b, c, d, e, f, g, K(33), M(33) );
R( g, h, a, b, c, d, e, f, K(34), M(34) );
R( f, g, h, a, b, c, d, e, K(35), M(35) );
R( e, f, g, h, a, b, c, d, K(36), M(36) );
R( d, e, f, g, h, a, b, c, K(37), M(37) );
R( c, d, e, f, g, h, a, b, K(38), M(38) );
R( b, c, d, e, f, g, h, a, K(39), M(39) );
R( a, b, c, d, e, f, g, h, K(40), M(40) );
R( h, a, b, c, d, e, f, g, K(41), M(41) );
R( g, h, a, b, c, d, e, f, K(42), M(42) );
R( f, g, h, a, b, c, d, e, K(43), M(43) );
R( e, f, g, h, a, b, c, d, K(44), M(44) );
R( d, e, f, g, h, a, b, c, K(45), M(45) );
R( c, d, e, f, g, h, a, b, K(46), M(46) );
R( b, c, d, e, f, g, h, a, K(47), M(47) );
R( a, b, c, d, e, f, g, h, K(48), M(48) );
R( h, a, b, c, d, e, f, g, K(49), M(49) );
R( g, h, a, b, c, d, e, f, K(50), M(50) );
R( f, g, h, a, b, c, d, e, K(51), M(51) );
R( e, f, g, h, a, b, c, d, K(52), M(52) );
R( d, e, f, g, h, a, b, c, K(53), M(53) );
R( c, d, e, f, g, h, a, b, K(54), M(54) );
R( b, c, d, e, f, g, h, a, K(55), M(55) );
R( a, b, c, d, e, f, g, h, K(56), M(56) );
R( h, a, b, c, d, e, f, g, K(57), M(57) );
R( g, h, a, b, c, d, e, f, K(58), M(58) );
R( f, g, h, a, b, c, d, e, K(59), M(59) );
R( e, f, g, h, a, b, c, d, K(60), M(60) );
R( d, e, f, g, h, a, b, c, K(61), M(61) );
R( c, d, e, f, g, h, a, b, K(62), M(62) );
R( b, c, d, e, f, g, h, a, K(63), M(63) );
a = sha256_state[0] += a;
b = sha256_state[1] += b;
c = sha256_state[2] += c;
d = sha256_state[3] += d;
e = sha256_state[4] += e;
f = sha256_state[5] += f;
g = sha256_state[6] += g;
h = sha256_state[7] += h;
}
}
void sha256_generate(char *in, int len, char *out)
{
unsigned int bytes, size;
sha256_state[0] = 0x6a09e667UL;
sha256_state[1] = 0xbb67ae85UL;
sha256_state[2] = 0x3c6ef372UL;
sha256_state[3] = 0xa54ff53aUL;
sha256_state[4] = 0x510e527fUL;
sha256_state[5] = 0x9b05688cUL;
sha256_state[6] = 0x1f83d9abUL;
sha256_state[7] = 0x5be0cd19UL;
sha256_total[0] = sha256_total[1] = 0;
sha256_buflen = 0;
if (sha256_buflen != 0U) {
unsigned int left_over = sha256_buflen;
unsigned int add = 128U - left_over > len ? len : 128U - left_over;
memcpy(&((char*)sha256_buffer)[left_over], in, add);
sha256_buflen += add;
if (sha256_buflen > 64U) {
sha256_process_block((unsigned char*)sha256_buffer, sha256_buflen & ~63U);
sha256_buflen &= 63U;
memcpy(sha256_buffer, &((char*)sha256_buffer)[(left_over + add) & ~63U], sha256_buflen);
}
in += add;
len -= add;
}
if (len >= 64U) {
sha256_process_block(in, len & ~63U);
in += (len & ~63U);
len &= 63U;
}
if (len > 0U) {
unsigned int left_over = sha256_buflen;
memcpy(&((char*)sha256_buffer)[left_over], in, len);
left_over += len;
if (left_over >= 64U) {
sha256_process_block((unsigned char*)sha256_buffer, 64U);
left_over -= 64U;
memcpy(sha256_buffer, &sha256_buffer[16], left_over);
}
sha256_buflen = left_over;
}
bytes = sha256_buflen;
size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4;
sha256_total[0] += bytes;
if (sha256_total[0] < bytes)
++sha256_total[1];
set_uint32((unsigned char*)&sha256_buffer[size - 2], SWAP((sha256_total[1] << 3) | (sha256_total[0] >> 29)));
set_uint32((unsigned char*)&sha256_buffer[size - 1], SWAP(sha256_total[0] << 3));
memcpy(&((char*)sha256_buffer)[bytes], fillbuf, (size - 2) * 4 - bytes);
sha256_process_block((unsigned char*)sha256_buffer, size * 4);
for (unsigned int i = 0U; i < 8U; i++)
set_uint32(out + i * sizeof(sha256_state[0]), SWAP(sha256_state[i]));
}
void lc_get_data(uint8_t *bytes)
{
bool pf, r;
uint8_t fid, options;
pf = (bytes[0U] & 0x80U) == 0x80U;
r = (bytes[0U] & 0x40U) == 0x40U;
fid = bytes[1U];
options = bytes[2U];
bytes[0U] = 0;
if (pf)
bytes[0U] |= 0x80U;
if (r)
bytes[0U] |= 0x40U;
bytes[1U] = fid;
bytes[2U] = options;
bytes[3U] = tx_tgid >> 16;
bytes[4U] = tx_tgid >> 8;
bytes[5U] = tx_tgid >> 0;
bytes[6U] = rx_srcid >> 16;
bytes[7U] = rx_srcid >> 8;
bytes[8U] = rx_srcid >> 0;
}
void lc_get_data_bits(bool* bits)
{
uint8_t bytes[9U];
memset(bytes, 0, 9);
lc_get_data(bytes);
byteToBitsBE(bytes[0U], bits + 0U);
byteToBitsBE(bytes[1U], bits + 8U);
byteToBitsBE(bytes[2U], bits + 16U);
byteToBitsBE(bytes[3U], bits + 24U);
byteToBitsBE(bytes[4U], bits + 32U);
byteToBitsBE(bytes[5U], bits + 40U);
byteToBitsBE(bytes[6U], bits + 48U);
byteToBitsBE(bytes[7U], bits + 56U);
byteToBitsBE(bytes[8U], bits + 64U);
}
void encode16114(bool* d)
{
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
d[14] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10];
d[15] = d[0] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[9] ^ d[10];
}
void encode_qr1676(uint8_t* data)
{
uint32_t value = (data[0U] >> 1) & 0x7FU;
uint32_t cksum = ENCODING_TABLE_1676[value];
data[0U] = cksum >> 8;
data[1U] = cksum & 0xFFU;
}
void encode_embedded_data()
{
uint32_t crc;
unsigned short total = 0U;
lc_get_data_bits(emb_data);
for (unsigned int i = 0U; i < 72U; i += 8U) {
unsigned char c;
bitsToByteBE(emb_data + i, &c);
total += c;
}
total %= 31U;
crc = total;
bool data[128U];
memset(data, 0x00U, 128U * sizeof(bool));
data[106U] = (crc & 0x01U) == 0x01U;
data[90U] = (crc & 0x02U) == 0x02U;
data[74U] = (crc & 0x04U) == 0x04U;
data[58U] = (crc & 0x08U) == 0x08U;
data[42U] = (crc & 0x10U) == 0x10U;
uint32_t b = 0U;
for (uint32_t a = 0U; a < 11U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 16U; a < 27U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 32U; a < 42U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 48U; a < 58U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 64U; a < 74U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 80U; a < 90U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 96U; a < 106U; a++, b++)
data[a] = emb_data[b];
for (uint32_t a = 0U; a < 112U; a += 16U)
encode16114(data + a);
for (uint32_t a = 0U; a < 16U; a++)
data[a + 112U] = data[a + 0U] ^ data[a + 16U] ^ data[a + 32U] ^ data[a + 48U] ^ data[a + 64U] ^ data[a + 80U] ^ data[a + 96U];
b = 0U;
for (uint32_t a = 0U; a < 128U; a++) {
emb_raw[a] = data[b];
b += 16U;
if (b > 127U)
b -= 127U;
}
}
uint8_t get_embedded_data(uint8_t* data, uint8_t n)
{
if (n >= 1U && n < 5U) {
n--;
bool bits[40U];
memset(bits, 0x00U, 40U * sizeof(bool));
memcpy(bits + 4U, emb_raw + n * 32U, 32U * sizeof(bool));
uint8_t bytes[5U];
bitsToByteBE(bits + 0U, &bytes[0U]);
bitsToByteBE(bits + 8U, &bytes[1U]);
bitsToByteBE(bits + 16U, &bytes[2U]);
bitsToByteBE(bits + 24U, &bytes[3U]);
bitsToByteBE(bits + 32U, &bytes[4U]);
data[14U] = (data[14U] & 0xF0U) | (bytes[0U] & 0x0FU);
data[15U] = bytes[1U];
data[16U] = bytes[2U];
data[17U] = bytes[3U];
data[18U] = (data[18U] & 0x0FU) | (bytes[4U] & 0xF0U);
switch (n) {
case 0U:
return 1U;
case 3U:
return 2U;
default:
return 3U;
}
} else {
data[14U] &= 0xF0U;
data[15U] = 0x00U;
data[16U] = 0x00U;
data[17U] = 0x00U;
data[18U] &= 0x0FU;
return 0U;
}
}
void get_emb_data(uint8_t* data, uint8_t lcss)
{
uint8_t DMREMB[2U];
uint8_t m_colorcode = 1;
DMREMB[0U] = (m_colorcode << 4) & 0xF0U;
//DMREMB[0U] |= m_PI ? 0x08U : 0x00U;
DMREMB[0U] |= (lcss << 1) & 0x06U;
DMREMB[1U] = 0x00U;
encode_qr1676(DMREMB);
data[13U] = (data[13U] & 0xF0U) | ((DMREMB[0U] >> 4U) & 0x0FU);
data[14U] = (data[14U] & 0x0FU) | ((DMREMB[0U] << 4U) & 0xF0U);
data[18U] = (data[18U] & 0xF0U) | ((DMREMB[1U] >> 4U) & 0x0FU);
data[19U] = (data[19U] & 0x0FU) | ((DMREMB[1U] << 4U) & 0xF0U);
}
int process_connect(int connect_status, char *buf, int h)
{
char in[100];
char out[400];
int len = 0;
char latitude[20U], longitude[20U];
memset(in, 0, 100);
memset(out, 0, 400);
switch(connect_status){
case CONNECTING:
connect_status = DMR_AUTH;
memcpy(in, &buf[6], 4);
memcpy(out, "RPTK", 4);
out[4] = (dmrid >> 24) & 0xff;
out[5] = (dmrid >> 16) & 0xff;
out[6] = (dmrid >> 8) & 0xff;
out[7] = (dmrid >> 0) & 0xff;
if(h == 1){
memcpy(&in[4], host1_pw, strlen(host1_pw));
sha256_generate(in, strlen(host1_pw) + sizeof(uint32_t), &out[8]);
}
else if(h == 2){
memcpy(&in[4], host2_pw, strlen(host2_pw));
sha256_generate(in, strlen(host2_pw) + sizeof(uint32_t), &out[8]);
}
//memcpy(&in[4], "passw0rd", 8);
//sha256_generate(in, 8 + sizeof(uint32_t), &out[8]);
len = 40;
fprintf(stderr, "Sending auth to DMR%d...\n", h);
break;
case DMR_AUTH:
connect_status = DMR_CONF;
memcpy(out, "RPTC", 4);
out[4] = (dmrid >> 24) & 0xff;
out[5] = (dmrid >> 16) & 0xff;
out[6] = (dmrid >> 8) & 0xff;
out[7] = (dmrid >> 0) & 0xff;
sprintf(latitude, "%08f", 50.0f);
sprintf(longitude, "%09f", 3.0f);
sprintf(&out[8], "%-8.8s%09u%09u%02u%02u%8.8s%9.9s%03d%-20.20s%-19.19s%c%-124.124s%-40.40s%-40.40s", callsign,
438800000, 438800000, 1, 1, latitude, longitude, 0, "London","England", '4', "www.qrz.com", "20190131", "MMDVM"); // 302 bytes
len = 302;
fprintf(stderr, "Sending conf to DMR%d...\n", h);
break;
case DMR_CONF:
connect_status = CONNECTED_RW;
memcpy(buf, "DMRD", 4);
buf[4] = 0x00;
buf[5] = (((dmrid>99999999)?dmrid/100:dmrid) >> 16) & 0xff;
buf[6] = (((dmrid>99999999)?dmrid/100:dmrid) >> 8) & 0xff;
buf[7] = (((dmrid>99999999)?dmrid/100:dmrid) >> 0) & 0xff;
buf[11] = (dmrid >> 24) & 0xff;
buf[12] = (dmrid >> 16) & 0xff;
buf[13] = (dmrid >> 8) & 0xff;
buf[14] = (dmrid >> 0) & 0xff;
buf[15] = 0xa1;
buf[16] = 0xb6;
buf[17] = 0x01;
buf[18] = 0x00;
buf[19] = 0x00;
if(h == 1){
buf[8] = (host1_tg >> 16) & 0xff;
buf[9] = (host1_tg >> 8) & 0xff;
buf[10] = (host1_tg >> 0) & 0xff;
}
else{
buf[8] = (host2_tg >> 16) & 0xff;
buf[9] = (host2_tg >> 8) & 0xff;
buf[10] = (host2_tg >> 0) & 0xff;
}
generate_header();
memcpy(out, buf, 55);
len = 55;
fprintf(stderr, "Connected to DMR%d\n", h);
break;
}
if(h == 1){
sendto(udp1, out, len, 0, (const struct sockaddr *)&host1, sizeof(host1));
#ifdef DEBUG
fprintf(stderr, "SEND DMR1: ");
for(int i = 0; i < len; ++i){
fprintf(stderr, "%02x ", (uint8_t)out[i]);
}
fprintf(stderr, "\n");
fflush(stderr);
#endif
}
else{
sendto(udp2, out, len, 0, (const struct sockaddr *)&host2, sizeof(host2));
#ifdef DEBUG
fprintf(stderr, "SEND DMR2: ");
for(int i = 0; i < len; ++i){
fprintf(stderr, "%02x ", (uint8_t)out[i]);
}
fprintf(stderr, "\n");
fflush(stderr);
#endif
}
return connect_status;
}
int main(int argc, char **argv)
{
struct sockaddr_in rx;
struct hostent *hp;
char * host1_url;
char * host2_url;
int host1_port;
int host2_port;
int rxlen;
int len = 0;
int reuse = 1;
int r;
int udprx,maxudp;
socklen_t l = sizeof(host1);
static uint64_t ping_cnt1 = 0;
static uint64_t ping_cnt2 = 0;
uint16_t streamid = 0;
time_t pong_time1;
time_t pong_time2;
if(argc != 5){
fprintf(stderr, "Usage: dmrcon [CALLSIGN] [DMRID] [DMRHost1IP:PORT:TG:PW] [DMRHost2IP:PORT:TG:PW]\n");
return 0;
}
else{
memset(callsign, ' ', 10);
memcpy(callsign, argv[1], strlen(argv[1]));
//memset(host1_pw, 0, 100);
//memset(host2_pw, 0, 100);
dmrid = atoi(argv[2]);
host1_url = strtok(argv[3], ":");
host1_port = atoi(strtok(NULL, ":"));
host1_tg = atoi(strtok(NULL, ":"));
host1_pw = strtok(NULL, ":");
host2_url = strtok(argv[4], ":");
host2_port = atoi(strtok(NULL, ":"));
host2_tg = atoi(strtok(NULL, ":"));
host2_pw = strtok(NULL, ":");