137 lines
2.8 KiB
C
137 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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/* run this program using the console pauser or add your own getch, system("pause") or input loop */
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const char bios_head[32]=
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{
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x5A,0xA5,0xF0,0x0F,0x03,0x00,0x04,0x03,0x06,0x02,0x10,0x15,0x20,0x01,0x21,0x00
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};
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char buff[0xffffff];
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char id[32];
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char outputdir[256];
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char inputdir[256];
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char chack_str(const char *a,char *b,int len)
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{
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int c;
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for(c=0;c<len;c++)
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{
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if(a[c]!=b[c])
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{
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return 1;
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}
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}
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return 0;
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}
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void tryunlock(char *dir)
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{
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int a;
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FILE *bios=NULL;
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FILE *output_bios=NULL;
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bios=fopen(dir,"rb");
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if(bios==NULL)
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{
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printf("ERROR. can't Open file ..\n");
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}else
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{
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fread(id,32,1,bios);
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if(chack_str(bios_head,id,32))
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{
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printf("ERROR. Not Bios File\n");
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}else
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{
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//printf("try it..\n");
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if(fseek(bios,0xf00,SEEK_SET))
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{
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printf("ERROR. -0\n");
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}else
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{
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fread(id,32,1,bios);
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for(a=0;a<32;a++)
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{
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buff[0xf00+a]=id[a];
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}
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for(a=0;a<256;a++)
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{
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outputdir[a]=0;
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}
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printf("id: %s \n",id);
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sprintf(outputdir,"%s%s",dir,"_unlock.bin");
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printf("Output flie %s",outputdir);
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output_bios=fopen(outputdir,"wb");
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if(output_bios==NULL)
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{
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printf("ERROR. can't Output file ..\n");
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}else
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{
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fwrite(buff,0xffffff,1,output_bios);
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fclose(output_bios);
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}
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printf("\n\n");
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}
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}
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}
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fclose(bios);
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}
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int main(int argc, char *argv[])
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{
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printf("ThinkPad Bios unlock..v0.1\n\n\n");
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if(argc==1)
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{
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printf("联想ThinkPad Bios超级密码解锁程序（目前仅支持X250）\n\n使用方法：\n");
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printf("1 使用编程器将原机Bios读出\n");
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printf("2 将读出的内容以二进制格式bin保存\n");
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printf("3 将bin文件拖进本程序，程序会自动生成解锁Bios，（支持批量拖入）\n");
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printf("4 将生成的解锁bios刷入，然后开机，按F1进入Bios，将超级密码改成空密码，按F10保存\n");
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printf("5 完成！ 注意，部分Bios芯片写入之前要先清空，否则无法校验通过。\n\n\n");
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printf("编写日期 2021-12-12 00:46 联系 吴文峰 邮箱 kevin@lmve.net \n\n");
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printf("项目地址 https://git.lmve.net/summary/thinkpad_unlock_bios.git \n博客地址 https://wnfed.com \n\n！！！请勿商用！！！\n\n");
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}
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int a;
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FILE *unlock_bios = NULL;
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unlock_bios=fopen("./X250.bbb","rb");
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if(unlock_bios==NULL)
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{
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printf("ERROR_NOTFUND_THE_BIOS_FILE\n");
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return -1;
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}
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fread(buff,0xffffff,1,unlock_bios);
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while(argc>1)
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{
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argc--;
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printf("Input flie %s\n",argv[argc]);
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tryunlock(argv[argc]);
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}
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printf("\n");
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printf("\n");
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while(1)
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{
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printf("请输入Bios文件路径，可通过拖拽文件到窗口快速输入，输入exit退出。\ndir:");
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for(a=0;a<256;a++)
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{
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inputdir[a]=0;
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}
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scanf("%s",inputdir);
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if(chack_str("exit",inputdir,4)==0)
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{
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return 0;
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}
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tryunlock(inputdir);
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}
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//printf("have %d file\n",argc-1);
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//printf(argv[1]);
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//system("pause");
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return 0;
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}
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