Truncate Smack file for app in app_revoke_permissions().

[Issue#]       N/A
[Feature]      The function removed rules from kernel, but not from disk.
[Cause]        It used to remove the file, but removal is now done in app_uninstall().
[Solution]     Add explicit truncate.
[Verification] Run tests from security-tests package.

Change-Id: I17e0cf25c95f59762a3b8fcc53a1cdf1d113d3e0

diff --git a/src/privilege-control.c b/src/privilege-control.c
index a525187..54e8e4f 100644 (file)
--- a/src/privilege-control.c
+++ b/src/privilege-control.c
@@ -1015,6 +1015,9 @@ API int app_revoke_permissions(const char* app_id)
                goto out;
        }
 
+       if (ftruncate(fd, 0) == -1)
+               C_LOGE("file truncate failed");
+
        ret = PC_OPERATION_SUCCESS;
 out:
        if (fd != -1)