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#include <fcntl.h>
#include <string.h>
#include <cutils/properties.h>
#include <cutils/log.h>
#define LOG_TAG "bdaddr"
#define SAMSUNG_BDADDR_PATH "/efs/imei/bt.txt"
#define BDADDR_PATH "/data/bdaddr"
/* Read bluetooth MAC from SAMSUNG_BDADDR_PATH (different format),
* write it to BDADDR_PATH, and set ro.bt.bdaddr_path to BDADDR_PATH
*
* Adapted from bdaddr_read.c of thunderg
*/
int main() {
char tmpbdaddr[23]; // bt_macaddr:xxxxxxxxxxxx
char bdaddr[18];
int count;
int fd;
fd = open(SAMSUNG_BDADDR_PATH, O_RDONLY);
if(fd < 0) {
fprintf(stderr, "open(%s) failed\n", SAMSUNG_BDADDR_PATH);
ALOGE("Can't open %s\n", SAMSUNG_BDADDR_PATH);
return -1;
}
count = read(fd, tmpbdaddr, sizeof(tmpbdaddr));
if (count < 0) {
fprintf(stderr, "read(%s) failed\n", SAMSUNG_BDADDR_PATH);
ALOGE("Can't read %s\n", SAMSUNG_BDADDR_PATH);
return -1;
}
else if (count != sizeof(tmpbdaddr)) {
fprintf(stderr, "read(%s) unexpected size %d\n", SAMSUNG_BDADDR_PATH, count);
ALOGE("Error reading %s (unexpected size %d)\n", SAMSUNG_BDADDR_PATH, count);
return -1;
}
count = sprintf(bdaddr, "%2.2s:%2.2s:%2.2s:%2.2s:%2.2s:%2.2s\0",
tmpbdaddr+11,tmpbdaddr+13,tmpbdaddr+15,tmpbdaddr+17,tmpbdaddr+19,tmpbdaddr+21);
fd = open(BDADDR_PATH, O_WRONLY|O_CREAT|O_TRUNC, 00600|00060|00006);
if (fd < 0) {
fprintf(stderr, "open(%s) failed\n", BDADDR_PATH);
ALOGE("Can't open %s\n", BDADDR_PATH);
return -2;
}
write(fd, bdaddr, 18);
// Set bluetooth owner
fchown(fd, 1002, 1002);
close(fd);
property_set("ro.bt.bdaddr_path", BDADDR_PATH);
return 0;
}
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