On Mon, Aug 22, 2022 at 11:59:31PM +0300, Vitaliy Makkoveev wrote:
> On Mon, Aug 22, 2022 at 08:22:11PM +0200, Alexander Bluhm wrote:
> > > +
> > > +out:
> > > + if (otp)
> > > + tcp_trace(TA_USER, ostate, tp, otp, NULL, PRU_SHUTDOWN, 0);
> > > return (0);
> >
> > This must be return (error).
> >
>
> Fixed, thanks!
OK bluhm@
> Index: sys/kern/uipc_usrreq.c
> ===================================================================
> RCS file: /cvs/src/sys/kern/uipc_usrreq.c,v
> retrieving revision 1.173
> diff -u -p -r1.173 uipc_usrreq.c
> --- sys/kern/uipc_usrreq.c 22 Aug 2022 13:23:06 -0000 1.173
> +++ sys/kern/uipc_usrreq.c 22 Aug 2022 20:57:40 -0000
> @@ -135,6 +135,7 @@ const struct pr_usrreqs uipc_usrreqs = {
> .pru_connect = uipc_connect,
> .pru_accept = uipc_accept,
> .pru_disconnect = uipc_disconnect,
> + .pru_shutdown = uipc_shutdown,
> };
>
> void
> @@ -242,11 +243,6 @@ uipc_usrreq(struct socket *so, int req,
> }
> break;
>
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - unp_shutdown(unp);
> - break;
> -
> case PRU_RCVD:
> switch (so->so_type) {
>
> @@ -561,6 +557,16 @@ uipc_disconnect(struct socket *so)
> struct unpcb *unp = sotounpcb(so);
>
> unp_disconnect(unp);
> + return (0);
> +}
> +
> +int
> +uipc_shutdown(struct socket *so)
> +{
> + struct unpcb *unp = sotounpcb(so);
> +
> + socantsendmore(so);
> + unp_shutdown(unp);
> return (0);
> }
>
> Index: sys/net/pfkeyv2.c
> ===================================================================
> RCS file: /cvs/src/sys/net/pfkeyv2.c,v
> retrieving revision 1.240
> diff -u -p -r1.240 pfkeyv2.c
> --- sys/net/pfkeyv2.c 22 Aug 2022 13:23:06 -0000 1.240
> +++ sys/net/pfkeyv2.c 22 Aug 2022 20:57:40 -0000
> @@ -172,6 +172,7 @@ void pfkey_init(void);
> int pfkeyv2_attach(struct socket *, int);
> int pfkeyv2_detach(struct socket *);
> int pfkeyv2_disconnect(struct socket *);
> +int pfkeyv2_shutdown(struct socket *);
> int pfkeyv2_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
> struct mbuf *, struct proc *);
> int pfkeyv2_output(struct mbuf *, struct socket *, struct sockaddr *,
> @@ -205,6 +206,7 @@ const struct pr_usrreqs pfkeyv2_usrreqs
> .pru_attach = pfkeyv2_attach,
> .pru_detach = pfkeyv2_detach,
> .pru_disconnect = pfkeyv2_disconnect,
> + .pru_shutdown = pfkeyv2_shutdown,
> };
>
> const struct protosw pfkeysw[] = {
> @@ -342,6 +344,13 @@ pfkeyv2_disconnect(struct socket *so)
> }
>
> int
> +pfkeyv2_shutdown(struct socket *so)
> +{
> + socantsendmore(so);
> + return (0);
> +}
> +
> +int
> pfkeyv2_usrreq(struct socket *so, int req, struct mbuf *m,
> struct mbuf *nam, struct mbuf *control, struct proc *p)
> {
> @@ -372,9 +381,6 @@ pfkeyv2_usrreq(struct socket *so, int re
>
> case PRU_ABORT:
> soisdisconnected(so);
> - break;
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> break;
> case PRU_SENSE:
> /* stat: don't bother with a blocksize. */
> Index: sys/net/rtsock.c
> ===================================================================
> RCS file: /cvs/src/sys/net/rtsock.c,v
> retrieving revision 1.340
> diff -u -p -r1.340 rtsock.c
> --- sys/net/rtsock.c 22 Aug 2022 13:23:07 -0000 1.340
> +++ sys/net/rtsock.c 22 Aug 2022 20:57:40 -0000
> @@ -115,6 +115,7 @@ int route_ctloutput(int, struct socket *
> int route_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
> struct mbuf *, struct proc *);
> int route_disconnect(struct socket *);
> +int route_shutdown(struct socket *);
> void route_input(struct mbuf *m0, struct socket *, sa_family_t);
> int route_arp_conflict(struct rtentry *, struct rt_addrinfo *);
> int route_cleargateway(struct rtentry *, void *, unsigned int);
> @@ -241,9 +242,6 @@ route_usrreq(struct socket *so, int req,
> case PRU_ABORT:
> soisdisconnected(so);
> break;
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - break;
> case PRU_SENSE:
> /* stat: don't bother with a blocksize. */
> break;
> @@ -370,6 +368,13 @@ route_disconnect(struct socket *so)
> }
>
> int
> +route_shutdown(struct socket *so)
> +{
> + socantsendmore(so);
> + return (0);
> +}
> +
> +int
> route_ctloutput(int op, struct socket *so, int level, int optname,
> struct mbuf *m)
> {
> @@ -2409,6 +2414,7 @@ const struct pr_usrreqs route_usrreqs =
> .pru_attach = route_attach,
> .pru_detach = route_detach,
> .pru_disconnect = route_disconnect,
> + .pru_shutdown = route_shutdown,
> };
>
> const struct protosw routesw[] = {
> Index: sys/netinet/ip_divert.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet/ip_divert.c,v
> retrieving revision 1.75
> diff -u -p -r1.75 ip_divert.c
> --- sys/netinet/ip_divert.c 22 Aug 2022 13:23:07 -0000 1.75
> +++ sys/netinet/ip_divert.c 22 Aug 2022 20:57:40 -0000
> @@ -67,6 +67,7 @@ const struct pr_usrreqs divert_usrreqs =
> .pru_attach = divert_attach,
> .pru_detach = divert_detach,
> .pru_bind = divert_bind,
> + .pru_shutdown = divert_shutdown,
> };
>
> int divbhashsize = DIVERTHASHSIZE;
> @@ -268,10 +269,6 @@ divert_usrreq(struct socket *so, int req
> }
> switch (req) {
>
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - break;
> -
> case PRU_SEND:
> return (divert_output(inp, m, addr, control));
>
> @@ -357,6 +354,14 @@ divert_bind(struct socket *so, struct mb
>
> soassertlocked(so);
> return in_pcbbind(inp, addr, p);
> +}
> +
> +int
> +divert_shutdown(struct socket *so)
> +{
> + soassertlocked(so);
> + socantsendmore(so);
> + return (0);
> }
>
> int
> Index: sys/netinet/ip_divert.h
> ===================================================================
> RCS file: /cvs/src/sys/netinet/ip_divert.h,v
> retrieving revision 1.17
> diff -u -p -r1.17 ip_divert.h
> --- sys/netinet/ip_divert.h 20 Aug 2022 23:48:58 -0000 1.17
> +++ sys/netinet/ip_divert.h 22 Aug 2022 20:57:40 -0000
> @@ -75,5 +75,6 @@ int divert_usrreq(struct socket *,
> int divert_attach(struct socket *, int);
> int divert_detach(struct socket *);
> int divert_bind(struct socket *, struct mbuf *, struct proc *);
> +int divert_shutdown(struct socket *);
> #endif /* _KERNEL */
> #endif /* _IP_DIVERT_H_ */
> Index: sys/netinet/ip_gre.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet/ip_gre.c,v
> retrieving revision 1.78
> diff -u -p -r1.78 ip_gre.c
> --- sys/netinet/ip_gre.c 22 Aug 2022 13:23:07 -0000 1.78
> +++ sys/netinet/ip_gre.c 22 Aug 2022 20:57:40 -0000
> @@ -68,6 +68,7 @@ const struct pr_usrreqs gre_usrreqs = {
> .pru_bind = rip_bind,
> .pru_connect = rip_connect,
> .pru_disconnect = rip_disconnect,
> + .pru_shutdown = rip_shutdown,
> };
>
> int
> Index: sys/netinet/ip_var.h
> ===================================================================
> RCS file: /cvs/src/sys/netinet/ip_var.h,v
> retrieving revision 1.100
> diff -u -p -r1.100 ip_var.h
> --- sys/netinet/ip_var.h 22 Aug 2022 13:23:07 -0000 1.100
> +++ sys/netinet/ip_var.h 22 Aug 2022 20:57:40 -0000
> @@ -263,6 +263,7 @@ int rip_detach(struct socket *);
> int rip_bind(struct socket *so, struct mbuf *, struct proc *);
> int rip_connect(struct socket *, struct mbuf *);
> int rip_disconnect(struct socket *);
> +int rip_shutdown(struct socket *);
> #ifdef MROUTING
> extern struct socket *ip_mrouter[]; /* multicast routing daemon */
> #endif
> Index: sys/netinet/raw_ip.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet/raw_ip.c,v
> retrieving revision 1.136
> diff -u -p -r1.136 raw_ip.c
> --- sys/netinet/raw_ip.c 22 Aug 2022 13:23:07 -0000 1.136
> +++ sys/netinet/raw_ip.c 22 Aug 2022 20:57:40 -0000
> @@ -110,6 +110,7 @@ const struct pr_usrreqs rip_usrreqs = {
> .pru_bind = rip_bind,
> .pru_connect = rip_connect,
> .pru_disconnect = rip_disconnect,
> + .pru_shutdown = rip_shutdown,
> };
>
> /*
> @@ -491,13 +492,6 @@ rip_usrreq(struct socket *so, int req, s
> break;
>
> /*
> - * Mark the connection as being incapable of further input.
> - */
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - break;
> -
> - /*
> * Ship a packet out. The appropriate raw output
> * routine handles any massaging necessary.
> */
> @@ -664,5 +658,18 @@ rip_disconnect(struct socket *so)
> soisdisconnected(so);
> inp->inp_faddr.s_addr = INADDR_ANY;
>
> + return (0);
> +}
> +
> +int
> +rip_shutdown(struct socket *so)
> +{
> + /*
> + * Mark the connection as being incapable of further input.
> + */
> +
> + soassertlocked(so);
> + socantsendmore(so);
> +
> return (0);
> }
> Index: sys/netinet/tcp_usrreq.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet/tcp_usrreq.c,v
> retrieving revision 1.193
> diff -u -p -r1.193 tcp_usrreq.c
> --- sys/netinet/tcp_usrreq.c 22 Aug 2022 13:23:07 -0000 1.193
> +++ sys/netinet/tcp_usrreq.c 22 Aug 2022 20:57:40 -0000
> @@ -120,6 +120,7 @@ const struct pr_usrreqs tcp_usrreqs = {
> .pru_connect = tcp_connect,
> .pru_accept = tcp_accept,
> .pru_disconnect = tcp_disconnect,
> + .pru_shutdown = tcp_shutdown,
> };
>
> static int pr_slowhz = PR_SLOWHZ;
> @@ -224,18 +225,6 @@ tcp_usrreq(struct socket *so, int req, s
> break;
>
> /*
> - * Mark the connection as being incapable of further output.
> - */
> - case PRU_SHUTDOWN:
> - if (so->so_state & SS_CANTSENDMORE)
> - break;
> - socantsendmore(so);
> - tp = tcp_usrclosed(tp);
> - if (tp)
> - error = tcp_output(tp);
> - break;
> -
> - /*
> * After a receive, possibly send window update to peer.
> */
> case PRU_RCVD:
> @@ -888,6 +877,41 @@ tcp_disconnect(struct socket *so)
> if (otp)
> tcp_trace(TA_USER, ostate, tp, otp, NULL, PRU_DISCONNECT, 0);
> return (0);
> +}
> +
> +/*
> + * Mark the connection as being incapable of further output.
> + */
> +int
> +tcp_shutdown(struct socket *so)
> +{
> + struct inpcb *inp;
> + struct tcpcb *tp, *otp = NULL;
> + int error;
> + short ostate;
> +
> + soassertlocked(so);
> +
> + if ((error = tcp_sogetpcb(so, &inp, &tp)))
> + return (error);
> +
> + if (so->so_options & SO_DEBUG) {
> + otp = tp;
> + ostate = tp->t_state;
> + }
> +
> + if (so->so_state & SS_CANTSENDMORE)
> + goto out;
> +
> + socantsendmore(so);
> + tp = tcp_usrclosed(tp);
> + if (tp)
> + error = tcp_output(tp);
> +
> +out:
> + if (otp)
> + tcp_trace(TA_USER, ostate, tp, otp, NULL, PRU_SHUTDOWN, 0);
> + return (error);
> }
>
> /*
> Index: sys/netinet/tcp_var.h
> ===================================================================
> RCS file: /cvs/src/sys/netinet/tcp_var.h,v
> retrieving revision 1.146
> diff -u -p -r1.146 tcp_var.h
> --- sys/netinet/tcp_var.h 22 Aug 2022 13:23:07 -0000 1.146
> +++ sys/netinet/tcp_var.h 22 Aug 2022 20:57:40 -0000
> @@ -719,6 +719,7 @@ int tcp_listen(struct socket *);
> int tcp_connect(struct socket *, struct mbuf *);
> int tcp_accept(struct socket *, struct mbuf *);
> int tcp_disconnect(struct socket *);
> +int tcp_shutdown(struct socket *);
> void tcp_xmit_timer(struct tcpcb *, int);
> void tcpdropoldhalfopen(struct tcpcb *, u_int16_t);
> void tcp_sack_option(struct tcpcb *,struct tcphdr *,u_char *,int);
> Index: sys/netinet/udp_usrreq.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet/udp_usrreq.c,v
> retrieving revision 1.288
> diff -u -p -r1.288 udp_usrreq.c
> --- sys/netinet/udp_usrreq.c 22 Aug 2022 13:23:07 -0000 1.288
> +++ sys/netinet/udp_usrreq.c 22 Aug 2022 20:57:40 -0000
> @@ -129,6 +129,7 @@ const struct pr_usrreqs udp_usrreqs = {
> .pru_bind = udp_bind,
> .pru_connect = udp_connect,
> .pru_disconnect = udp_disconnect,
> + .pru_shutdown = udp_shutdown,
> };
>
> const struct sysctl_bounded_args udpctl_vars[] = {
> @@ -1085,10 +1086,6 @@ udp_usrreq(struct socket *so, int req, s
> error = EOPNOTSUPP;
> break;
>
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - break;
> -
> case PRU_SEND:
> #ifdef PIPEX
> if (inp->inp_pipex) {
> @@ -1288,7 +1285,15 @@ udp_disconnect(struct socket *so)
>
> return (0);
> }
> -
> +
> +int
> +udp_shutdown(struct socket *so)
> +{
> + soassertlocked(so);
> + socantsendmore(so);
> + return (0);
> +}
> +
> /*
> * Sysctl for udp variables.
> */
> Index: sys/netinet/udp_var.h
> ===================================================================
> RCS file: /cvs/src/sys/netinet/udp_var.h,v
> retrieving revision 1.41
> diff -u -p -r1.41 udp_var.h
> --- sys/netinet/udp_var.h 22 Aug 2022 13:23:07 -0000 1.41
> +++ sys/netinet/udp_var.h 22 Aug 2022 20:57:40 -0000
> @@ -146,5 +146,6 @@ int udp_detach(struct socket *);
> int udp_bind(struct socket *, struct mbuf *, struct proc *);
> int udp_connect(struct socket *, struct mbuf *);
> int udp_disconnect(struct socket *);
> +int udp_shutdown(struct socket *);
> #endif /* _KERNEL */
> #endif /* _NETINET_UDP_VAR_H_ */
> Index: sys/netinet6/ip6_divert.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet6/ip6_divert.c,v
> retrieving revision 1.74
> diff -u -p -r1.74 ip6_divert.c
> --- sys/netinet6/ip6_divert.c 22 Aug 2022 13:23:07 -0000 1.74
> +++ sys/netinet6/ip6_divert.c 22 Aug 2022 20:57:40 -0000
> @@ -68,6 +68,7 @@ const struct pr_usrreqs divert6_usrreqs
> .pru_attach = divert6_attach,
> .pru_detach = divert6_detach,
> .pru_bind = divert6_bind,
> + .pru_shutdown = divert6_shutdown,
> };
>
> int divb6hashsize = DIVERTHASHSIZE;
> @@ -274,10 +275,6 @@ divert6_usrreq(struct socket *so, int re
> }
> switch (req) {
>
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - break;
> -
> case PRU_SEND:
> return (divert6_output(inp, m, addr, control));
>
> @@ -364,6 +361,15 @@ divert6_bind(struct socket *so, struct m
>
> soassertlocked(so);
> return in_pcbbind(inp, addr, p);
> +}
> +
> +int
> +divert6_shutdown(struct socket *so)
> +{
> + soassertlocked(so);
> + socantsendmore(so);
> +
> + return (0);
> }
>
> int
> Index: sys/netinet6/ip6_divert.h
> ===================================================================
> RCS file: /cvs/src/sys/netinet6/ip6_divert.h,v
> retrieving revision 1.15
> diff -u -p -r1.15 ip6_divert.h
> --- sys/netinet6/ip6_divert.h 20 Aug 2022 23:48:58 -0000 1.15
> +++ sys/netinet6/ip6_divert.h 22 Aug 2022 20:57:40 -0000
> @@ -75,6 +75,7 @@ int divert6_usrreq(struct socket *,
> int divert6_attach(struct socket *, int);
> int divert6_detach(struct socket *);
> int divert6_bind(struct socket *, struct mbuf *, struct proc *);
> +int divert6_shutdown(struct socket *);
> #endif /* _KERNEL */
>
> #endif /* _IP6_DIVERT_H_ */
> Index: sys/netinet6/ip6_var.h
> ===================================================================
> RCS file: /cvs/src/sys/netinet6/ip6_var.h,v
> retrieving revision 1.98
> diff -u -p -r1.98 ip6_var.h
> --- sys/netinet6/ip6_var.h 22 Aug 2022 13:23:07 -0000 1.98
> +++ sys/netinet6/ip6_var.h 22 Aug 2022 20:57:40 -0000
> @@ -358,6 +358,7 @@ int rip6_detach(struct socket *);
> int rip6_bind(struct socket *, struct mbuf *, struct proc *);
> int rip6_connect(struct socket *, struct mbuf *);
> int rip6_disconnect(struct socket *);
> +int rip6_shutdown(struct socket *);
> int rip6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
>
> int dest6_input(struct mbuf **, int *, int, int);
> Index: sys/netinet6/raw_ip6.c
> ===================================================================
> RCS file: /cvs/src/sys/netinet6/raw_ip6.c,v
> retrieving revision 1.156
> diff -u -p -r1.156 raw_ip6.c
> --- sys/netinet6/raw_ip6.c 22 Aug 2022 13:23:07 -0000 1.156
> +++ sys/netinet6/raw_ip6.c 22 Aug 2022 20:57:40 -0000
> @@ -112,6 +112,7 @@ const struct pr_usrreqs rip6_usrreqs = {
> .pru_bind = rip6_bind,
> .pru_connect = rip6_connect,
> .pru_disconnect = rip6_disconnect,
> + .pru_shutdown = rip6_shutdown,
> };
>
> /*
> @@ -609,12 +610,6 @@ rip6_usrreq(struct socket *so, int req,
> break;
>
> /*
> - * Mark the connection as being incapable of further input.
> - */
> - case PRU_SHUTDOWN:
> - socantsendmore(so);
> - break;
> - /*
> * Ship a packet out. The appropriate raw output
> * routine handles any messaging necessary.
> */
> @@ -798,6 +793,17 @@ rip6_disconnect(struct socket *so)
>
> in6p->inp_faddr6 = in6addr_any;
> so->so_state &= ~SS_ISCONNECTED; /* XXX */
> + return (0);
> +}
> +
> +int
> +rip6_shutdown(struct socket *so)
> +{
> + /*
> + * Mark the connection as being incapable of further input.
> + */
> + soassertlocked(so);
> + socantsendmore(so);
> return (0);
> }
>
> Index: sys/sys/protosw.h
> ===================================================================
> RCS file: /cvs/src/sys/sys/protosw.h,v
> retrieving revision 1.42
> diff -u -p -r1.42 protosw.h
> --- sys/sys/protosw.h 22 Aug 2022 13:23:07 -0000 1.42
> +++ sys/sys/protosw.h 22 Aug 2022 20:57:40 -0000
> @@ -71,6 +71,7 @@ struct pr_usrreqs {
> int (*pru_connect)(struct socket *, struct mbuf *);
> int (*pru_accept)(struct socket *, struct mbuf *);
> int (*pru_disconnect)(struct socket *);
> + int (*pru_shutdown)(struct socket *);
> };
>
> struct protosw {
> @@ -309,8 +310,7 @@ pru_disconnect(struct socket *so)
> static inline int
> pru_shutdown(struct socket *so)
> {
> - return (*so->so_proto->pr_usrreqs->pru_usrreq)(so,
> - PRU_SHUTDOWN, NULL, NULL, NULL, curproc);
> + return (*so->so_proto->pr_usrreqs->pru_shutdown)(so);
> }
>
> static inline int
> Index: sys/sys/unpcb.h
> ===================================================================
> RCS file: /cvs/src/sys/sys/unpcb.h,v
> retrieving revision 1.32
> diff -u -p -r1.32 unpcb.h
> --- sys/sys/unpcb.h 22 Aug 2022 13:23:07 -0000 1.32
> +++ sys/sys/unpcb.h 22 Aug 2022 20:57:40 -0000
> @@ -118,6 +118,7 @@ int uipc_listen(struct socket *);
> int uipc_connect(struct socket *, struct mbuf *);
> int uipc_accept(struct socket *, struct mbuf *);
> int uipc_disconnect(struct socket *);
> +int uipc_shutdown(struct socket *);
>
> void unp_init(void);
> int unp_bind(struct unpcb *, struct mbuf *, struct proc *);