android Device ID 변경하기. (serial, androidserial, iserial)

Cnage android Device ID 

/sys/class/android_usb/android0/iSerial

에 쓰면 된다.

root 로 들어가서

echo -n "0123456789ABCEDEE" > /sys/class/android_usb/android0/iSerial

하면 된다.

system/core/init/init_parser.c

#include <sys/ioctl.h> #include <net/if.h> #include <netinet/in.h> void gen_android_sn(char* android_sn){ struct ifreq s; int fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); strcpy(s.ifr_name, "wlan0"); if (0 == ioctl(fd, SIOCGIFHWADDR, &s)) { sprintf(android_sn,"%02x%02x%02x%02x%02x%02x", (unsigned char)s.ifr_addr.sa_data[0], (unsigned char)s.ifr_addr.sa_data[1], (unsigned char)s.ifr_addr.sa_data[2], (unsigned char)s.ifr_addr.sa_data[3], (unsigned char)s.ifr_addr.sa_data[4], (unsigned char)s.ifr_addr.sa_data[5]); } else{ sprintf(android_sn,"KAKAOMINI000"); } return; } ...... prop_val_len = property_get(prop, prop_val); if(strncmp(prop,"ro.serialno",11)==0){ prop_val_len = 12; gen_android_sn(prop_val); } if (!prop_val_len) { ERROR("property '%s' doesn't exist while expanding '%s'\n", prop, src); goto err; } ret = push_chars(&dst_ptr, &left, prop_val, prop_val_len); if (ret < 0) goto err_nospace; src_ptr = c; continue; }