1. intro 2. code 및 분석 2.1 code // Name: iofile_aaw // gcc -o iofile_aaw iofile_aaw.c -no-pie #include #include #include char flag_buf[1024]; int overwrite_me; void init() { setvbuf(stdin, 0, 2, 0); setvbuf(stdout, 0, 2, 0); } int read_flag() { FILE *fp; fp = fopen("/home/iofile_aaw/flag", "r"); fread(flag_buf, sizeof(char), sizeof(flag_buf), fp); write(1, flag_buf, sizeof(flag_buf)); fclose(fp);..

1. intro 2. code 및 분석 2.1 code // Name: iofile_aar // gcc -o iofile_aar iofile_aar.c -no-pie #include #include #include char flag_buf[1024]; FILE *fp; void init() { setvbuf(stdin, 0, 2, 0); setvbuf(stdout, 0, 2, 0); } int read_flag() { FILE *fp; fp = fopen("/home/iofile_aar/flag", "r"); fread(flag_buf, sizeof(char), sizeof(flag_buf), fp); fclose(fp); } int main() { const char *data = "TEST FILE!..