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| author | JP Abgrall <jpa@google.com> | 2012-08-28 16:53:32 -0700 |
|---|---|---|
| committer | android code review <noreply-gerritcodereview@google.com> | 2012-08-28 16:58:08 -0700 |
| commit | 1dfbc281b4a77cd19dd65fa447a8567b3c0b93f2 (patch) | |
| tree | cf549043da6d80be36ea242f1412d3142af484f1 | |
| parent | ddb45c7e8572c73ba6b0367dcd27ca4e2d5bcee4 (diff) | |
| download | kernel_samsung_crespo-1dfbc281b4a77cd19dd65fa447a8567b3c0b93f2.zip kernel_samsung_crespo-1dfbc281b4a77cd19dd65fa447a8567b3c0b93f2.tar.gz kernel_samsung_crespo-1dfbc281b4a77cd19dd65fa447a8567b3c0b93f2.tar.bz2 | |
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 f6d4cfc..ea716b3 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", |