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linux(4): Overwrite SO_TIMESTAMP counterpart

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A socket cannot mix SO_TIMESTAMP and SO_TIMESTAMPNS: the two modes
are mutually exclusive.

MFC after:		2 weeks
This commit is contained in:
Dmitry Chagin 2022-05-28 23:46:38 +03:00
parent 0eda2ceab7
commit 53494b918d
1 changed files with 13 additions and 1 deletions
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14
sys/compat/linux/linux_socket.c
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@ -1984,7 +1984,7 @@ linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args)
struct sockaddr *sa;
struct timeval tv;
socklen_t len;
int error, level, name;
int error, level, name, val;
level = linux_to_bsd_sockopt_level(args->level);
switch (level) {
@ -2007,10 +2007,22 @@ linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args)
name, &tv, UIO_SYSSPACE, sizeof(tv)));
/* NOTREACHED */
case SO_TIMESTAMP:
/* overwrite SO_BINTIME */
val = 0;
error = kern_setsockopt(td, args->s, level,
SO_BINTIME, &val, UIO_SYSSPACE, sizeof(val));
if (error != 0)
return (error);
pem = pem_find(p);
pem->so_timestamp = args->optname;
break;
case SO_BINTIME:
/* overwrite SO_TIMESTAMP */
val = 0;
error = kern_setsockopt(td, args->s, level,
SO_TIMESTAMP, &val, UIO_SYSSPACE, sizeof(val));
if (error != 0)
return (error);
pem = pem_find(p);
pem->so_timestampns = args->optname;
break;