diff options
| author | JP Abgrall <jpa@google.com> | 2012-08-28 16:53:32 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-12-04 20:15:42 -0500 |
| commit | 3df85ebe5dad05e7aa171ab9f7420185b37c0c92 (patch) | |
| tree | fbb47fc52e2f747797b98c0b42ad9f1d2d5b62b5 | |
| parent | ff704cafc26b0c8d0c3b7231e54d6e0a48881f79 (diff) | |
netfilter: xt_qtaguid: report only uid tags to non-privileged processes
In the past, a process could only see its own stats (uid-based summary,
and details).
Now we allow any process to see other UIDs uid-based stats, but still
hide the detailed stats.
Change-Id: I7666961ed244ac1d9359c339b048799e5db9facc
Signed-off-by: JP Abgrall <jpa@google.com>
| -rw-r--r-- | net/netfilter/xt_qtaguid.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/netfilter/xt_qtaguid.c b/net/netfilter/xt_qtaguid.c index f6d4cfc05f3c..ea716b31e2af 100644 --- a/net/netfilter/xt_qtaguid.c +++ b/net/netfilter/xt_qtaguid.c @@ -2588,8 +2588,9 @@ static int pp_stats_line(struct proc_print_info *ppi, int cnt_set) } else { tag_t tag = ppi->ts_entry->tn.tag; uid_t stat_uid = get_uid_from_tag(tag); - - if (!can_read_other_uid_stats(stat_uid)) { + /* Detailed tags are not available to everybody */ + if (get_atag_from_tag(tag) + && !can_read_other_uid_stats(stat_uid)) { CT_DEBUG("qtaguid: stats line: " "%s 0x%llx %u: insufficient priv " "from pid=%u tgid=%u uid=%u\n", |