userns: Print out socket uids in a user namespace aware fashion.

Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

diff --git a/include/net/tcp.h b/include/net/tcp.h
index e19124b..91e7467 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1509,7 +1509,8 @@ struct tcp_iter_state {
        sa_family_t             family;
        enum tcp_seq_states     state;
        struct sock             *syn_wait_sk;
-       int                     bucket, offset, sbucket, num, uid;
+       int                     bucket, offset, sbucket, num;
+       kuid_t                  uid;
        loff_t                  last_pos;
 };
 

diff --git a/init/Kconfig b/init/Kconfig
index 80fae19..25a6ebb 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -942,10 +942,7 @@ config UIDGID_CONVERTED
        depends on PROC_EVENTS = n
 
        # Networking
-       depends on PACKET = n
        depends on NET_9P = n
-       depends on IPX = n
-       depends on PHONET = n
        depends on NET_CLS_FLOW = n
        depends on NETFILTER_XT_MATCH_OWNER = n
        depends on NETFILTER_XT_MATCH_RECENT = n
@@ -953,14 +950,11 @@ config UIDGID_CONVERTED
        depends on NETFILTER_NETLINK_LOG = n
        depends on INET = n
        depends on IPV6 = n
-       depends on IP_SCTP = n
        depends on AF_RXRPC = n
-       depends on LLC2 = n
        depends on NET_KEY = n
        depends on INET_DIAG = n
        depends on DNS_RESOLVER = n
        depends on AX25 = n
-       depends on ATALK = n
 
        # Filesystems
        depends on USB_GADGETFS = n

diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c
index b5b1a22..c30f3a0 100644 (file)
--- a/net/appletalk/atalk_proc.c
+++ b/net/appletalk/atalk_proc.c
@@ -183,7 +183,8 @@ static int atalk_seq_socket_show(struct seq_file *seq, void *v)
                   ntohs(at->dest_net), at->dest_node, at->dest_port,
                   sk_wmem_alloc_get(s),
                   sk_rmem_alloc_get(s),
-                  s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
+                  s->sk_state,
+                  from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)));
 out:
        return 0;
 }

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 6232d47..bee5eeb 100644 (file)
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -845,7 +845,9 @@ static void ping_format_sock(struct sock *sp, struct seq_file *f,
                bucket, src, srcp, dest, destp, sp->sk_state,
                sk_wmem_alloc_get(sp),
                sk_rmem_alloc_get(sp),
-               0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+               0, 0L, 0,
+               from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
+               0, sock_i_ino(sp),
                atomic_read(&sp->sk_refcnt), sp,
                atomic_read(&sp->sk_drops), len);
 }

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ff0f071..f242578 100644 (file)
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -992,7 +992,9 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
                i, src, srcp, dest, destp, sp->sk_state,
                sk_wmem_alloc_get(sp),
                sk_rmem_alloc_get(sp),
-               0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+               0, 0L, 0,
+               from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+               0, sock_i_ino(sp),
                atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
 }
 

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 42b2a6a..642be8a 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2382,7 +2382,7 @@ void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo)
 EXPORT_SYMBOL(tcp_proc_unregister);
 
 static void get_openreq4(const struct sock *sk, const struct request_sock *req,
-                        struct seq_file *f, int i, int uid, int *len)
+                        struct seq_file *f, int i, kuid_t uid, int *len)
 {
        const struct inet_request_sock *ireq = inet_rsk(req);
        int ttd = req->expires - jiffies;
@@ -2399,7 +2399,7 @@ static void get_openreq4(const struct sock *sk, const struct request_sock *req,
                1,    /* timers active (only the expire timer) */
                jiffies_to_clock_t(ttd),
                req->retrans,
-               uid,
+               from_kuid_munged(seq_user_ns(f), uid),
                0,  /* non standard timer */
                0, /* open_requests have no inode */
                atomic_read(&sk->sk_refcnt),
@@ -2450,7 +2450,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
                timer_active,
                jiffies_to_clock_t(timer_expires - jiffies),
                icsk->icsk_retransmits,
-               sock_i_uid(sk),
+               from_kuid_munged(seq_user_ns(f), sock_i_uid(sk)),
                icsk->icsk_probes_out,
                sock_i_ino(sk),
                atomic_read(&sk->sk_refcnt), sk,

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b4c3582..53b8981 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2110,7 +2110,9 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
                bucket, src, srcp, dest, destp, sp->sk_state,
                sk_wmem_alloc_get(sp),
                sk_rmem_alloc_get(sp),
-               0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+               0, 0L, 0,
+               from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
+               0, sock_i_ino(sp),
                atomic_read(&sp->sk_refcnt), sp,
                atomic_read(&sp->sk_drops), len);
 }

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ef0579d..7af88ef 100644 (file)
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1251,7 +1251,8 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
                   sk_wmem_alloc_get(sp),
                   sk_rmem_alloc_get(sp),
                   0, 0L, 0,
-                  sock_i_uid(sp), 0,
+                  from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+                  0,
                   sock_i_ino(sp),
                   atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
 }

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c66b90f..4b5b335 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1803,7 +1803,7 @@ static void tcp_v6_destroy_sock(struct sock *sk)
 #ifdef CONFIG_PROC_FS
 /* Proc filesystem TCPv6 sock list dumping. */
 static void get_openreq6(struct seq_file *seq,
-                        const struct sock *sk, struct request_sock *req, int i, int uid)
+                        const struct sock *sk, struct request_sock *req, int i, kuid_t uid)
 {
        int ttd = req->expires - jiffies;
        const struct in6_addr *src = &inet6_rsk(req)->loc_addr;
@@ -1827,7 +1827,7 @@ static void get_openreq6(struct seq_file *seq,
                   1,   /* timers active (only the expire timer) */
                   jiffies_to_clock_t(ttd),
                   req->retrans,
-                  uid,
+                  from_kuid_munged(seq_user_ns(seq), uid),
                   0,  /* non standard timer */
                   0, /* open_requests have no inode */
                   0, req);
@@ -1877,7 +1877,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
                   timer_active,
                   jiffies_to_clock_t(timer_expires - jiffies),
                   icsk->icsk_retransmits,
-                  sock_i_uid(sp),
+                  from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
                   icsk->icsk_probes_out,
                   sock_i_ino(sp),
                   atomic_read(&sp->sk_refcnt), sp,

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 99d0077..bbdff07 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1458,7 +1458,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
                   sk_wmem_alloc_get(sp),
                   sk_rmem_alloc_get(sp),
                   0, 0L, 0,
-                  sock_i_uid(sp), 0,
+                  from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+                  0,
                   sock_i_ino(sp),
                   atomic_read(&sp->sk_refcnt), sp,
                   atomic_read(&sp->sk_drops));

diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c
index f8ba30d..02ff7f2 100644 (file)
--- a/net/ipx/ipx_proc.c
+++ b/net/ipx/ipx_proc.c
@@ -217,7 +217,8 @@ static int ipx_seq_socket_show(struct seq_file *seq, void *v)
        seq_printf(seq, "%08X  %08X  %02X     %03d\n",
                   sk_wmem_alloc_get(s),
                   sk_rmem_alloc_get(s),
-                  s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
+                  s->sk_state,
+                  from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)));
 out:
        return 0;
 }

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 34e4185..0481d4b 100644 (file)
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3661,7 +3661,7 @@ static int pfkey_seq_show(struct seq_file *f, void *v)
                               atomic_read(&s->sk_refcnt),
                               sk_rmem_alloc_get(s),
                               sk_wmem_alloc_get(s),
-                              sock_i_uid(s),
+                              from_kuid_munged(seq_user_ns(f), sock_i_uid(s)),
                               sock_i_ino(s)
                               );
        return 0;

diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c
index a1839c0..7b4799c 100644 (file)
--- a/net/llc/llc_proc.c
+++ b/net/llc/llc_proc.c
@@ -151,7 +151,7 @@ static int llc_seq_socket_show(struct seq_file *seq, void *v)
                   sk_wmem_alloc_get(sk),
                   sk_rmem_alloc_get(sk) - llc->copied_seq,
                   sk->sk_state,
-                  sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : -1,
+                  from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
                   llc->link);
 out:
        return 0;

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ceaca7c..d147317 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3846,7 +3846,7 @@ static int packet_seq_show(struct seq_file *seq, void *v)
                           po->ifindex,
                           po->running,
                           atomic_read(&s->sk_rmem_alloc),
-                          sock_i_uid(s),
+                          from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)),
                           sock_i_ino(s));
        }
 

diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 0acc943..b7e9827 100644 (file)
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -612,7 +612,8 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
                        sk->sk_protocol, pn->sobject, pn->dobject,
                        pn->resource, sk->sk_state,
                        sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
-                       sock_i_uid(sk), sock_i_ino(sk),
+                       from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+                       sock_i_ino(sk),
                        atomic_read(&sk->sk_refcnt), sk,
                        atomic_read(&sk->sk_drops), &len);
        }
@@ -796,7 +797,8 @@ static int pn_res_seq_show(struct seq_file *seq, void *v)
                struct sock *sk = *psk;
 
                seq_printf(seq, "%02X %5d %lu%n",
-                          (int) (psk - pnres.sk), sock_i_uid(sk),
+                          (int) (psk - pnres.sk),
+                          from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
                           sock_i_ino(sk), &len);
        }
        seq_printf(seq, "%*s\n", 63 - len, "");

diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 1e2eee8..dc12feb 100644 (file)
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -216,7 +216,8 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
                seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
                           sctp_sk(sk)->type, sk->sk_state, hash,
                           epb->bind_addr.port,
-                          sock_i_uid(sk), sock_i_ino(sk));
+                          from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+                          sock_i_ino(sk));
 
                sctp_seq_dump_local_addrs(seq, epb);
                seq_printf(seq, "\n");
@@ -324,7 +325,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
                           assoc->assoc_id,
                           assoc->sndbuf_used,
                           atomic_read(&assoc->rmem_alloc),
-                          sock_i_uid(sk), sock_i_ino(sk),
+                          from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+                          sock_i_ino(sk),
                           epb->bind_addr.port,
                           assoc->peer.port);
                seq_printf(seq, " ");