---
android/bluetoothd-snoop.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/android/bluetoothd-snoop.c b/android/bluetoothd-snoop.c
index 9312c11..f69bc2c 100644
--- a/android/bluetoothd-snoop.c
+++ b/android/bluetoothd-snoop.c
@@ -29,6 +29,9 @@
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
+#if defined(ANDROID)
+#include <sys/capability.h>
+#endif
#include "lib/bluetooth.h"
#include "lib/hci.h"
@@ -188,11 +191,36 @@ static void close_monitor(void)
monitor_fd = -1;
}
+static void set_capabilities(void)
+{
+#if defined(ANDROID)
+ struct __user_cap_header_struct header;
+ struct __user_cap_data_struct cap;
+
+ header.version = _LINUX_CAPABILITY_VERSION;
+ header.pid = 0;
+
+ /* CAP_NET_RAW: for snooping
+ * CAP_DAC_READ_SEARCH: override path search permissions
+ */
+ cap.effective = cap.permitted =
+ CAP_TO_MASK(CAP_NET_RAW) |
+ CAP_TO_MASK(CAP_DAC_READ_SEARCH) ;
+ cap.inheritable = 0;
+
+ /* TODO: Move to cap_set_proc once bionic support it */
+ if (capset(&header, &cap) < 0)
+ exit(EXIT_FAILURE);
+#endif
+}
+
int main(int argc, char *argv[])
{
const char *path;
sigset_t mask;
+ set_capabilities();
+
if (argc > 1)
path = argv[1];
else
--
1.8.3.2
--
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