修改软件版本号及启动状态信息

#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <sys/stat.h>#include <sys/types.h>#include <fcntl.h>#include <dirent.h>typedef unsigned char U8;typedef unsigned int U32;#define DEBUG_THIS#if defined(DEBUG_THIS)#define DBGMODL "CHAGESTATE"#define dbg_print(outflag,...) do{switch(outflag){case 1:printf("\n<INFO> " DBGMODL ": [%s],Line %d ",__FUNCTION__,__LINE__);printf(__VA_ARGS__);fflush(stdout);break;case 2:printf("\n<ERROR> " DBGMODL ": [%s],Line %d ",__FUNCTION__,__LINE__);printf(__VA_ARGS__);fflush(stdout);break;default:break;}}while(0)#else#define dbg_print#endif#define E2P_JWT_LOADER_SIZE_FDCA 20typedef struct{U8 activation;U8 pid[2];U8 table_id;U8 freq[4];U8 symbol[4];U8 modulation;U8 block_index;U8 version[2];U8 crc[4];}JWT_UPDATE_FDCA_t;typedef struct{U8 manufacturer_id; U8 model_id; U8 majorhardwrare_id; U8 subhardwrare_id; U8 ca_ident_number[4]; U8 release_number[4];U8 broadcaster[4];U8 signature[152]; U8 batch_id;U8 MAC_address[6];U8 build_year;U8 build_week;U8 STB_provider_id[2];U8 manager_code[4];U8 hardware_code[4];U8 software_version[4];U8 reserved[61];U8 crc[4];}JWT_UPDATE_BCA_t;typedef struct{U8 major_mrs_version;U8 sub_mrs_version;U8 reserved1[8];U8 release_year;U8 release_month;U8 release_date;U8 reserved2[11];U8 fdca_image[E2P_JWT_LOADER_SIZE_FDCA];U8 signature[152]; U8 crc[4];}JWT_UPDATE_FLASH_HEADER_t;extern char *optarg;//global variablechar exe_filename[20]="\0";U8 chgstate = 0,ori_chgstate = 0;U8 sw_ver = 0,ori_sw_ver = 0;U8 auto_reboot = 0;U32 dumplen = 2048;U32 fgda_offset = 512;U32 bca_offset = 0;U8 quit = 0;char dumpfile[256]="/mnt/info/stbinfotmp";#ifdef BCM7581B0U8 mtdnum = 7;char *filename="/mnt/usb/kv_7581b0_update/usb_update.cfg";char *platform="bcm7581b0";#endif#ifdef BCM7019C0U8 mtdnum = 11;char *filename="/mnt/usb/kv_update/usb_update.cfg";char *platform="bcm7019c0";#endifunsigned long ulTable_MPEG32_ota[256] ={   0x00000000L, 0x04C11DB7L, 0x09823B6EL, 0x0D4326D9L,   0x130476DCL, 0x17C56B6BL, 0x1A864DB2L, 0x1E475005L,   0x2608EDB8L, 0x22C9F00FL, 0x2F8AD6D6L, 0x2B4BCB61L,   0x350C9B64L, 0x31CD86D3L, 0x3C8EA00AL, 0x384FBDBDL,   0x4C11DB70L, 0x48D0C6C7L, 0x4593E01EL, 0x4152FDA9L,   0x5F15ADACL, 0x5BD4B01BL, 0x569796C2L, 0x52568B75L,   0x6A1936C8L, 0x6ED82B7FL, 0x639B0DA6L, 0x675A1011L,   0x791D4014L, 0x7DDC5DA3L, 0x709F7B7AL, 0x745E66CDL,   0x9823B6E0L, 0x9CE2AB57L, 0x91A18D8EL, 0x95609039L,   0x8B27C03CL, 0x8FE6DD8BL, 0x82A5FB52L, 0x8664E6E5L,   0xBE2B5B58L, 0xBAEA46EFL, 0xB7A96036L, 0xB3687D81L,   0xAD2F2D84L, 0xA9EE3033L, 0xA4AD16EAL, 0xA06C0B5DL,   0xD4326D90L, 0xD0F37027L, 0xDDB056FEL, 0xD9714B49L,   0xC7361B4CL, 0xC3F706FBL, 0xCEB42022L, 0xCA753D95L,   0xF23A8028L, 0xF6FB9D9FL, 0xFBB8BB46L, 0xFF79A6F1L,   0xE13EF6F4L, 0xE5FFEB43L, 0xE8BCCD9AL, 0xEC7DD02DL,   0x34867077L, 0x30476DC0L, 0x3D044B19L, 0x39C556AEL,   0x278206ABL, 0x23431B1CL, 0x2E003DC5L, 0x2AC12072L,   0x128E9DCFL, 0x164F8078L, 0x1B0CA6A1L, 0x1FCDBB16L,   0x018AEB13L, 0x054BF6A4L, 0x0808D07DL, 0x0CC9CDCAL,   0x7897AB07L, 0x7C56B6B0L, 0x71159069L, 0x75D48DDEL,   0x6B93DDDBL, 0x6F52C06CL, 0x6211E6B5L, 0x66D0FB02L,   0x5E9F46BFL, 0x5A5E5B08L, 0x571D7DD1L, 0x53DC6066L,   0x4D9B3063L, 0x495A2DD4L, 0x44190B0DL, 0x40D816BAL,   0xACA5C697L, 0xA864DB20L, 0xA527FDF9L, 0xA1E6E04EL,   0xBFA1B04BL, 0xBB60ADFCL, 0xB6238B25L, 0xB2E29692L,   0x8AAD2B2FL, 0x8E6C3698L, 0x832F1041L, 0x87EE0DF6L,   0x99A95DF3L, 0x9D684044L, 0x902B669DL, 0x94EA7B2AL,   0xE0B41DE7L, 0xE4750050L, 0xE9362689L, 0xEDF73B3EL,   0xF3B06B3BL, 0xF771768CL, 0xFA325055L, 0xFEF34DE2L,   0xC6BCF05FL, 0xC27DEDE8L, 0xCF3ECB31L, 0xCBFFD686L,   0xD5B88683L, 0xD1799B34L, 0xDC3ABDEDL, 0xD8FBA05AL,   0x690CE0EEL, 0x6DCDFD59L, 0x608EDB80L, 0x644FC637L,   0x7A089632L, 0x7EC98B85L, 0x738AAD5CL, 0x774BB0EBL,   0x4F040D56L, 0x4BC510E1L, 0x46863638L, 0x42472B8FL,   0x5C007B8AL, 0x58C1663DL, 0x558240E4L, 0x51435D53L,   0x251D3B9EL, 0x21DC2629L, 0x2C9F00F0L, 0x285E1D47L,   0x36194D42L, 0x32D850F5L, 0x3F9B762CL, 0x3B5A6B9BL,   0x0315D626L, 0x07D4CB91L, 0x0A97ED48L, 0x0E56F0FFL,   0x1011A0FAL, 0x14D0BD4DL, 0x19939B94L, 0x1D528623L,   0xF12F560EL, 0xF5EE4BB9L, 0xF8AD6D60L, 0xFC6C70D7L,   0xE22B20D2L, 0xE6EA3D65L, 0xEBA91BBCL, 0xEF68060BL,   0xD727BBB6L, 0xD3E6A601L, 0xDEA580D8L, 0xDA649D6FL,   0xC423CD6AL, 0xC0E2D0DDL, 0xCDA1F604L, 0xC960EBB3L,   0xBD3E8D7EL, 0xB9FF90C9L, 0xB4BCB610L, 0xB07DABA7L,   0xAE3AFBA2L, 0xAAFBE615L, 0xA7B8C0CCL, 0xA379DD7BL,   0x9B3660C6L, 0x9FF77D71L, 0x92B45BA8L, 0x9675461FL,   0x8832161AL, 0x8CF30BADL, 0x81B02D74L, 0x857130C3L,   0x5D8A9099L, 0x594B8D2EL, 0x5408ABF7L, 0x50C9B640L,   0x4E8EE645L, 0x4A4FFBF2L, 0x470CDD2BL, 0x43CDC09CL,   0x7B827D21L, 0x7F436096L, 0x7200464FL, 0x76C15BF8L,   0x68860BFDL, 0x6C47164AL, 0x61043093L, 0x65C52D24L,   0x119B4BE9L, 0x155A565EL, 0x18197087L, 0x1CD86D30L,   0x029F3D35L, 0x065E2082L, 0x0B1D065BL, 0x0FDC1BECL,   0x3793A651L, 0x3352BBE6L, 0x3E119D3FL, 0x3AD08088L,   0x2497D08DL, 0x2056CD3AL, 0x2D15EBE3L, 0x29D4F654L,   0xC5A92679L, 0xC1683BCEL, 0xCC2B1D17L, 0xC8EA00A0L,   0xD6AD50A5L, 0xD26C4D12L, 0xDF2F6BCBL, 0xDBEE767CL,   0xE3A1CBC1L, 0xE760D676L, 0xEA23F0AFL, 0xEEE2ED18L,   0xF0A5BD1DL, 0xF464A0AAL, 0xF9278673L, 0xFDE69BC4L,   0x89B8FD09L, 0x8D79E0BEL, 0x803AC667L, 0x84FBDBD0L,   0x9ABC8BD5L, 0x9E7D9662L, 0x933EB0BBL, 0x97FFAD0CL,   0xAFB010B1L, 0xAB710D06L, 0xA6322BDFL, 0xA2F33668L,   0xBCB4666DL, 0xB8757BDAL, 0xB5365D03L, 0xB1F740B4L};U32 calculateCRC(U8 *pData, U8 len){U32 section_len;U32 calucate_crc;U8 *tempData = pData;section_len = len;calucate_crc = 0xFFFFFFFF;/* calculate CRC */while (section_len--){  calucate_crc = ulTable_MPEG32_ota[((calucate_crc >> 24) ^ *tempData++) & 0xFFL] ^ (calucate_crc << 8);}return calucate_crc;}void print_help(char *name){printf("此程序用作更改机顶盒的信息-n改变进入选项,-s改变软件版本号\n");printf("用法:%s [选项] <[-n state] [-s sw_ver]>\n",name);printf("选项有:-m 指定的mtd号(默认是7)\n");printf("      :-f 指定要导出的文件名(默认为/mnt/info/stbinfotmp)\n");printf("      :-l 指定要导出的数据长度(默认为2048)\n");printf("      :-o 指定信息表的偏移(默认为512)\n");printf("      :-a 指定修改完成后是否自动重新启动机顶盒(默认是不自动重启)\n");printf("举例如:%s -n 0x1b -a\n\t\t将信息修改为0x1b后，自动重启\n",name);printf("      :%s -n 0x1b -m 9 -f /mnt/tmp -l 1024 -o 256\n",name);printf("This Program is for %s by KINGVON\n",platform);printf("Any Problem You can contact me:[e-mail]\n");}//parse input paramertervoid parse_input(int argc,char *argv[]){int opt;U8 chgstate_flag = 0;U8 tmpbuf[2];if(argc <2){print_help(exe_filename);exit(-1);}//To compatible the version beforeif(argc == 2){if(!strncmp(argv[1],"-h",2)){print_help(exe_filename);exit(0);}if((!strncmp(argv[1],"0x",2)) || (!strncmp(argv[1],"0X",2))){chgstate = strtoul(argv[1],NULL,16);}else{chgstate = atoi(argv[1]);}dbg_print(1,"The change value is %d\n",chgstate);return;}while((opt = getopt(argc,argv,"ahn:m:f:s:l:")) != -1){switch(opt){case 'n':if((!strncmp(optarg,"0x",2)) || (!strncmp(optarg,"0X",2))){chgstate = strtoul(optarg,NULL,16);}else{chgstate = atoi(optarg);}dbg_print(1,"The change value is %d\n",chgstate);chgstate_flag = 1;break;case 'm':mtdnum = atoi(optarg);break;case 's':if((!strncmp(optarg,"0x",2)) || (!strncmp(optarg,"0X",2))){sw_ver = strtoul(optarg,NULL,16);}else{sw_ver = atoi(optarg);}dbg_print(1,"The changed SW Version is %d\n",sw_ver);chgstate_flag = 1;break;case 'f':strcpy(dumpfile,optarg);break;case 'l':dumplen = atoi(optarg);break;case 'o':fgda_offset = atoi(optarg);break;case 'a':auto_reboot = 1;break;default:print_help(exe_filename);exit(-1);break;}}if(chgstate_flag != 1){printf("Your Must Set the State Vaule or changed SW version!\n");print_help(exe_filename);exit(-1);}}//get dir from file namevoid getdir(char *src,char **buf){int l = strlen(src);dbg_print(1,"src:%s,len:%d\n",src,l);char *p = strrchr(src,'/');int len = strlen(p);dbg_print(1,"*p=%s,len:%d\n",p,len);strncpy(*buf,src,(l-len));(*buf)[l-len]='\0';dbg_print(1,"buf:%s\n",*buf);}//check the dir if exist,dump the file to dirint check_dump_file(void){char *buf;int status;char cmd[64]="\0";if(!access(dumpfile,R_OK)){dbg_print(1,"The file allready existed !\n");return 0;}buf = malloc(50);memset(buf,'\0',sizeof(buf));//if file is not exist,then mkdir the path and dump the filegetdir(dumpfile,&buf);dbg_print(1,"dir name is %s\n",buf);if(opendir(buf) == NULL){status = mkdir(buf,S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);if(status == -1){printf("mkdir %s error\n",buf);free(buf);return -1;}}free(buf);sprintf(cmd,"nanddump -q -o -l %d -f %s /dev/mtd%d",dumplen,dumpfile,mtdnum);system(cmd);return 0;}int jwtdrv_flash_read(const char *filename,U32 offset, U32 len, U8 *buff){int flag = 0;FILE *fp = NULL;int nflag=-1;fp = fopen(filename,"r+");if(NULL == fp){fclose(fp);return -1;}fseek(fp,offset,SEEK_SET);nflag = fread(buff,1,len,fp);fclose(fp);if(0 > nflag){return -1;}return nflag;}int jwtdrv_flash_write(const char *filename,U32 offset, U32 len, U8 *buff){int fp;int nflag = -1;fp = open(filename,O_RDWR);if(-1 == fp){return -1;}lseek(fp,offset,SEEK_SET);//fseek(fp,offset,SEEK_SET);nflag = write(fp,buff,len);//nflag=fwrite(buff,1,len,fp);if(0 > nflag){close(fp);return -1;}fsync(fp);close(fp);return 0;}int parse_str(char *ssrc,char *src,char *dst){char *ptr;ptr = strstr(ssrc,src);ptr = strchr(ssrc,'=');ptr++;strcpy(dst,ptr);dbg_print(1,"buf:%s\n",dst);return 0;}int buf_to_int(char *buf){int conved = 0;if((!strncmp(buf,"0x",2)) || (!strncmp(buf,"0X",2))){conved = strtoul(buf,NULL,16);}else{conved = atoi(buf);}return conved;}int read_cfg_from_usb(){FILE *fp = NULL;char chptr[256];char *ptr;char buf[256];#if 0fp = fopen("usb_update.cfg","rb");#elsefp = fopen(filename,"rb");#endifif(fp == NULL){printf("Open File from USB error\n");return -1;}while(fgets(chptr,256,fp)!='\0'){if(strncasecmp(chptr,"[E_JWT_USB_UPDATE]",17) == 0){printf("End of JWT Usb Update config!\n");break;}if(strncasecmp(chptr,"[S_JWT_USB_UPDATE]",17) == 0){fgets(chptr,256,fp);parse_str(chptr,"state=",buf);chgstate = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"sw_ver=",buf);sw_ver = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"stbmtd=",buf);mtdnum = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"dumpfile=",buf);strncpy(dumpfile,buf,strlen(dumpfile));fgets(chptr,256,fp);parse_str(chptr,"dumplen=",buf);dumplen = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"off_bca=",buf);bca_offset = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"off_fgda=",buf);fgda_offset = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"auto_reboot=",buf);auto_reboot = buf_to_int(buf);fgets(chptr,256,fp);parse_str(chptr,"debug_print=",buf);quit = buf_to_int(buf);}}if(fp != NULL){fclose(fp);}return 0;}void printf_usb_cfg(){printf("chgstate:0x%x\n",chgstate);printf("sw_ver:0x%x\n",sw_ver);printf("mtdnum:%d\n",mtdnum);printf("dumpfile:%s\n",dumpfile);printf("dumplen:%d\n",dumplen);printf("bca_offset:%d\n",bca_offset);printf("fgda_offset:%d\n",fgda_offset);printf("auto_reboot:%d\n",auto_reboot);}int main(int argc,char *argv[]){int ret = 0;char *buf;U32 FDCACRCValue;U32 BCACrc32Value;JWT_UPDATE_FDCA_t fdca_t;JWT_UPDATE_BCA_t bca_t;char cmd[128]="\0";//save the bin file namestrcpy(exe_filename,argv[0]);buf = malloc(1024);memset(buf,'\0',1024);//parse parameterif(argc<=1){//read input from usbdiskret = read_cfg_from_usb();if(-1 ==ret){return -1;}}else{//input paramaterparse_input(argc,argv);}//check the file ret = check_dump_file();if(ret !=0){dbg_print(2,"check and dump file error\n");return -1;}//get default stb infomationret = jwtdrv_flash_read(dumpfile,0,1024,buf);if(ret < 0){dbg_print(2,"flash read error\n");return -1;}else{memcpy(&fdca_t,&buf[512],sizeof(fdca_t));memcpy(&bca_t,buf,sizeof(bca_t));ori_chgstate = fdca_t.activation;ori_sw_ver = bca_t.software_version[1];}#if 0memset(&buf[offset],chgstate,1);#elseif((chgstate < 0x17) || (chgstate > 0x2a)){printf("Your input State error,use default\n");chgstate = ori_chgstate;}else{fdca_t.activation = chgstate;FDCACRCValue = calculateCRC((U8 *)&fdca_t, sizeof(fdca_t) - 4);fdca_t.crc[0] = (FDCACRCValue >> 24) & 0xFF;fdca_t.crc[1] = (FDCACRCValue >> 16) & 0xFF;fdca_t.crc[2] = (FDCACRCValue >> 8) & 0xFF;fdca_t.crc[3] = FDCACRCValue & 0xFF;memcpy(&buf[512],&fdca_t,sizeof(fdca_t));}#endifif((sw_ver <= 0) || (sw_ver > 255)){printf("Your input SW_VER:%d error(0,255],Use dafault\n");sw_ver = ori_sw_ver;}else{bca_t.software_version[1] = (unsigned char)sw_ver;BCACrc32Value = calculateCRC((U8 *)&bca_t,sizeof(bca_t)-4);bca_t.crc[0] = (U8)((BCACrc32Value >> 24) & 0xff);bca_t.crc[1] = (U8)((BCACrc32Value >> 16) & 0xff);bca_t.crc[2] = (U8)((BCACrc32Value >> 8) & 0xff);bca_t.crc[3] = (U8)(BCACrc32Value & 0xff);memcpy(buf,&bca_t,sizeof(bca_t));}if(jwtdrv_flash_write(dumpfile,0,1024,buf) != 0){dbg_print(2,"flash write error\n");return -1;}if(!quit){printf_usb_cfg();}//erase flash firstsprintf(cmd,"flash_erase -q /dev/mtd%d 0 0",mtdnum);system(cmd);//write to flashsprintf(cmd,"nandwrite -q /dev/mtd%d %s",mtdnum,dumpfile);system(cmd);if(auto_reboot)system("reboot");return 0;}

Makefile
 

.PHONY: all clean helpCROSS?=mipsel-linux-ifeq ($(CROSS),)arch:=x86endififeq ($(findstring mips,$(CROSS)),mips)arch=mipselelsearch=otherendififeq ($(findstring 7581,${platform}),7581)CFLAGS += -DBCM7581B0endififeq ($(findstring 7019,${platform}),7019)CFLAGS += -DBCM7019C0endiftarget:=chgstate_$(platform)_$(arch)all:$(if ${platform},,$(error platform must be set!!!))@echo "flag ${CFLAGS} over"$(CROSS)gcc ${CFLAGS} -o ${target} chgstate.cclean:rm -fr *.o chgstate_*help:@echo-e "*********************************************\n*"@echo -e "* This Program Used for  \n*  modify sw version and boot flag"@echo -e "*\n*"@echo -e "*Example:"@echo -e "*\tmake platform=7581"@echo -e "*\tmake platform=7019"@echo-e "*\n*********************************************"