手机unicode编码格式短信解码

本文根据http://blog.csdn.net/yangfeiyang/article/details/5526649处的C#代码用C重写而来，只对ucs2的解码部分进行了重写，在VC上进行过模拟测试，目标机上没有经过测试，需要童鞋的可以自己在真机上测试下，不对之处欢迎拍砖！

#include "stdio.h"#include "string.h"#include "stdlib.h"#define NUMBER_MAX_LEN 21#define TIMESTAMP_MAX_LEN 10#define SMS_MAX_DATA_LEN   256typedef struct {unsigned int year;unsigned int month;unsigned int day;unsigned int hour;unsigned int minute;unsigned int second;}DateTimeStru;typedef struct {/// <summary>/// 短消息中心号码/// SMS center address/// </summary>char SCA[NUMBER_MAX_LEN];/// <summary>/// 目标号码或回复号码/// TP-DA或TP-RA/// </summary>char TPA[NUMBER_MAX_LEN];/// <summary>/// 时间戳字符串/// </summary>char TP_SCTS[TIMESTAMP_MAX_LEN];/// <summary>/// 用户数据，短消息内容/// 接收时使用/// </summary>char TP_UD[SMS_MAX_DATA_LEN];/// <summary>/// 时间戳/// </summary>DateTimeStru TimeStamp;}STPDUParam;// 调用此函数，参数sub申请的buffer一定大于sub_len+1,并且buffer初始化为0int getSubStringByStartAndLen(char* str,char* sub, unsigned int start, unsigned int sub_len){unsigned int str_len =0;if(str!=NULL&&sub!=NULL){str_len = strlen(str);if(str_len>=start+sub_len){int i, cnt;for(i=start,cnt=0; cnt<sub_len && i<str_len ; i++,cnt++){sub[cnt]=str[i];}return cnt;}return -1;}return -1;}int ParseDecString2Int(char* str){int result=0;if(str!=NULL){int i;int len = strlen(str);int multiple=1;for(i=len-1; i>=0; i--){if(str[i]>='0'&&str[i]<='9'){result=result+(str[i]-'0')*multiple;}else{return -1;}multiple *=10;}return result;}else{return -1;}}int ParseHexString2Int(char* str){int result=0;if(str!=NULL){int i;int len = strlen(str);int multiple=1;for(i=len-1; i>=0; i--){if(str[i]>='0'&&str[i]<='9'){result=result+(str[i]-'0')*multiple;}else if(str[i]>='A'&&str[i]<='F' ){result=result+(str[i]-'A'+10)*multiple;}else if(str[i]>='a'&&str[i]<='f' ){result=result+(str[i]-'a'+10)*multiple;}else{return -1;}multiple *=0x10;}return result;}else{return -1;}}int BuildUnInvertNumber(char * numberArray, char *numberStrb){int len;char tempArray[3];// 编码后号码长度均为偶数，如果不是偶数说明错误len = strlen(numberArray);if(len%2!=0){return -1;}memset((void*)numberStrb,0, sizeof(numberStrb));for (int i = 0; i < len; i += 2){memset((void*)tempArray,0, sizeof(tempArray));tempArray[0] = numberArray[i + 1];tempArray[1] = numberArray[i];if (tempArray[1] != 'F'){strcat(numberStrb,tempArray);}else{strncat(numberStrb,tempArray,1);}}return 0;}/// <summary>/// 将字符串数组反向/// </summary>/// <param name="MobileNum"></param>/// <returns></returns>char * InvertCharArray(char* src, char *dst){    int length = strlen(src);    for (int i = 0; i < length; i += 2)    {        if (i + 1 < length)        {            dst[i] = src[i + 1];            dst[i + 1] = src[i];        }        else        {            dst[i] = src[i];        }    }    return dst;}#define SHXMalloc(x)   malloc((x))#define SHXFree(x) {\free((void*)x);\x = NULL;\}int GetUnicodeUserData(char *userDataSrc, int userDataLen, char* res){int len = userDataLen;char test;char * resByte = res;int i,j;char sub[3];int sub_real_len;for (i = 0, j = 0; i < len; i += 2, j++){int bytTmp = 0;memset((void*)sub, 0, sizeof(sub));sub_real_len = getSubStringByStartAndLen(userDataSrc,sub,i, 2);if(sub_real_len!=2){return -1;}if((bytTmp = (unsigned char)ParseHexString2Int(sub))<0){return -2;}resByte[j] = (char)bytTmp;}for (int p = 0; p < j; p += 2){test = resByte[p];resByte[p] = resByte[p + 1];resByte[p + 1] = test;}return 0;}static unsigned char Decoding(char * pduBody, STPDUParam * pduDecoding){int sub_real_len;int currentIndex = 0;int codingProtocol;//处理短信中心...开始int scaLength = 0;{char sub[3];int bytscaLength;memset((void*)sub, 0, sizeof(sub));sub_real_len = getSubStringByStartAndLen(pduBody,sub,currentIndex, 2);if(sub_real_len==2){char scaSrc[(NUMBER_MAX_LEN+1)*2];if((bytscaLength = ParseHexString2Int(sub))<0){return -1;}        scaLength = (int)bytscaLength * 2;// 由于短消息中心中包含91// 所以索引多加2，长度减2currentIndex += 4;scaLength -= 2;memset((void*)scaSrc,0, sizeof(scaSrc));sub_real_len = getSubStringByStartAndLen(pduBody,scaSrc,currentIndex, scaLength);if(sub_real_len == scaLength){if(BuildUnInvertNumber(scaSrc, pduDecoding->SCA)<0){return -2;}         currentIndex += scaLength;}else{return -3;}}}//处理短信中心...结束    //处理TP-MTI/MMS/RP...开始    // 这个信息在字符串中占2个字符    currentIndex += 2;    //处理TP-MTI/MMS/RP...结束 //处理短消息号码...开始{int numberLength = 0;        int bytNumberLength = 0;char sub[3];memset((void*)sub,0,sizeof(sub));sub_real_len = getSubStringByStartAndLen(pduBody,sub,currentIndex, 2);if(sub_real_len==2){char numberSrc[(NUMBER_MAX_LEN+1)*2];if((bytNumberLength = ParseHexString2Int(sub))<0){return -4;}            currentIndex += 2;numberLength = bytNumberLength;            currentIndex += 2;            if (numberLength%2 != 0)            {                numberLength++;            }memset((void*)numberSrc,0,sizeof(numberSrc));sub_real_len = getSubStringByStartAndLen(pduBody,numberSrc,currentIndex, numberLength);if(sub_real_len == numberLength){if(BuildUnInvertNumber(numberSrc, pduDecoding->TPA)<0){return -5;}currentIndex += numberLength;}}else{return -6;}        //处理协议标识与编码协议...开始        // 协议标识占2个字符        currentIndex += 2;{// 取编码方式int bytCodingProtocol = 0;char sub[3];memset((void*)sub,0,sizeof(sub));sub_real_len = getSubStringByStartAndLen(pduBody,sub,currentIndex, 2);if(sub_real_len==2){char numberSrc[(NUMBER_MAX_LEN+1)*2];if((bytCodingProtocol = ParseHexString2Int(sub))<0){return -7;}codingProtocol = (int) bytCodingProtocol;currentIndex += 2;}}        //处理协议标识与编码协议...结束} //处理短消息号码...结束    //处理时间戳...开始{        int year, month, day, hour, minute, second;        char yearStr[5], monthStr[3], dayStr[3], hourStr[3], minuteStr[3], secondStr[3], timeAreaStr[8];        char timeStampReversal[15];char timeStamp[15];int timeStampIndex = 0;memset((void*)timeStampReversal,0,sizeof(timeStampReversal));sub_real_len = getSubStringByStartAndLen(pduBody,timeStampReversal,currentIndex, 14);if(sub_real_len==14){memset((void*)timeStamp,0,sizeof(timeStamp));InvertCharArray(timeStampReversal,timeStamp);timeStampIndex = 0;memset((void*)yearStr,0, sizeof(yearStr));sub_real_len = getSubStringByStartAndLen(timeStamp,yearStr,timeStampIndex, 2);timeStampIndex += 2;if(sub_real_len!=2){return -8;}if((year = ParseDecString2Int(yearStr))<0){return -9;}year +=2000;memset((void*)monthStr,0, sizeof(monthStr));sub_real_len = getSubStringByStartAndLen(timeStamp,monthStr,timeStampIndex, 2);timeStampIndex += 2;if(sub_real_len!=2){return -10;}if((month = ParseDecString2Int(yearStr))<0){return -11;}memset((void*)dayStr,0, sizeof(dayStr));sub_real_len = getSubStringByStartAndLen(timeStamp,dayStr,timeStampIndex, 2);timeStampIndex += 2;if(sub_real_len!=2){return -10;}if((day = ParseDecString2Int(dayStr))<0){return -11;}memset((void*)hourStr,0, sizeof(hourStr));sub_real_len = getSubStringByStartAndLen(timeStamp,hourStr,timeStampIndex, 2);timeStampIndex += 2;if(sub_real_len!=2){return -12;}if((hour = ParseDecString2Int(dayStr))<0){return -13;}memset((void*)minuteStr,0, sizeof(minuteStr));sub_real_len = getSubStringByStartAndLen(timeStamp,minuteStr,timeStampIndex, 2);timeStampIndex += 2;if(sub_real_len!=2){return -14;}if((minute = ParseDecString2Int(minuteStr))<0){return -15;}memset((void*)secondStr,0, sizeof(secondStr));sub_real_len = getSubStringByStartAndLen(timeStamp,secondStr,timeStampIndex, 2);timeStampIndex += 2;if(sub_real_len!=2){return -16;}if((second = ParseDecString2Int(secondStr))<0){return -17;}pduDecoding->TimeStamp.year = year;pduDecoding->TimeStamp.month = month;pduDecoding->TimeStamp.day = day;pduDecoding->TimeStamp.hour = hour;pduDecoding->TimeStamp.minute = minute;pduDecoding->TimeStamp.second = second;currentIndex += 14;}else{return -18;}}//处理时间戳...结束//处理用户数据...开始{int bytUserDataLength = 0;char realUserData[SMS_MAX_DATA_LEN+1];int userDataLength;char sub[3];memset((void*)sub, 0, sizeof(sub));sub_real_len = getSubStringByStartAndLen(pduBody,sub,currentIndex, 2);if(sub_real_len==2){if((bytUserDataLength=ParseHexString2Int(sub))>=0){char userDataSrc[SMS_MAX_DATA_LEN+1];            userDataLength = bytUserDataLength;            if (userDataLength % 2 != 0)            {                return -19;            }            currentIndex += 2;memset((void*)userDataSrc,0,sizeof(userDataSrc));sub_real_len = getSubStringByStartAndLen(pduBody,userDataSrc,currentIndex, userDataLength*2);if(sub_real_len!=userDataLength*2){return -20;}memset((void*)pduDecoding->TP_UD,0,sizeof(pduDecoding->TP_UD));            switch (codingProtocol)            {case 0:// 0标识7bit编码//realUserData = Get7BitUserData(userDataSrc);break;case 8: // 8标识Unicode编码 GetUnicodeUserData(userDataSrc,userDataLength*2,pduDecoding->TP_UD);break;            }}}else{return -23;}}//处理用户数据...结束}void main(void){STPDUParam pduDecoding;memset((void*)&pduDecoding,0,sizeof(pduDecoding));char tmp[] = "0891683108200505F0840D91683196032930F0000830302180635480064F60597D0021";Decoding(tmp, &pduDecoding);}