1 files changed, 54 insertions, 0 deletions
diff --git a/bdaddr_read/bdaddr_read.c b/bdaddr_read/bdaddr_read.c
new file mode 100644
index 0000000..c6e08c9
--- /dev/null
+++ b/bdaddr_read/bdaddr_read.c
@@ -0,0 +1,54 @@
+#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);
+        LOGE("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);
+        LOGE("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);
+        LOGE("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);
+        LOGE("Can't open %s\n", BDADDR_PATH);
+        return -2;
+    }
+    write(fd, bdaddr, 18);
+    close(fd);
+    property_set("ro.bt.bdaddr_path", BDADDR_PATH);
+    return 0;
+}