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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-09-16 09:56:27 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-09-16 09:56:27 -0700 |
| commit | 0898782247ae533d1f4e47a06bc5d4870931b284 (patch) | |
| tree | 21f75cc590542a870f42350b9410fc0588f02b79 /net/unix | |
| parent | 0c043d70d04711fe6c380df9065fdc44192c49bf (diff) | |
| parent | 410f25de467ee94c1a577c6ee7370c37b376c17c (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 5.4 merge window.
Diffstat (limited to 'net/unix')
| -rw-r--r-- | net/unix/diag.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/unix/diag.c b/net/unix/diag.c index c51a707260fa..9ff64f9df1f3 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -5,9 +5,11 @@ #include <linux/unix_diag.h> #include <linux/skbuff.h> #include <linux/module.h> +#include <linux/uidgid.h> #include <net/netlink.h> #include <net/af_unix.h> #include <net/tcp_states.h> +#include <net/sock.h> static int sk_diag_dump_name(struct sock *sk, struct sk_buff *nlskb) { @@ -111,6 +113,12 @@ static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb) return nla_put(nlskb, UNIX_DIAG_RQLEN, sizeof(rql), &rql); } +static int sk_diag_dump_uid(struct sock *sk, struct sk_buff *nlskb) +{ + uid_t uid = from_kuid_munged(sk_user_ns(nlskb->sk), sock_i_uid(sk)); + return nla_put(nlskb, UNIX_DIAG_UID, sizeof(uid_t), &uid); +} + static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req, u32 portid, u32 seq, u32 flags, int sk_ino) { @@ -157,6 +165,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r if (nla_put_u8(skb, UNIX_DIAG_SHUTDOWN, sk->sk_shutdown)) goto out_nlmsg_trim; + if ((req->udiag_show & UDIAG_SHOW_UID) && + sk_diag_dump_uid(sk, skb)) + goto out_nlmsg_trim; + nlmsg_end(skb, nlh); return 0; |