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head/sys/netinet6/udp6_usrreq.c
| Show First 20 Lines • Show All 628 Lines • ▼ Show 20 Lines | udplite6_ctlinput(int cmd, struct sockaddr *sa, void *d) | ||||
| return (udp6_common_ctlinput(cmd, sa, d, &V_ulitecbinfo)); | return (udp6_common_ctlinput(cmd, sa, d, &V_ulitecbinfo)); | ||||
| } | } | ||||
| static int | static int | ||||
| udp6_getcred(SYSCTL_HANDLER_ARGS) | udp6_getcred(SYSCTL_HANDLER_ARGS) | ||||
| { | { | ||||
| struct xucred xuc; | struct xucred xuc; | ||||
| struct sockaddr_in6 addrs[2]; | struct sockaddr_in6 addrs[2]; | ||||
| struct epoch_tracker et; | |||||
| struct inpcb *inp; | struct inpcb *inp; | ||||
| int error; | int error; | ||||
| error = priv_check(req->td, PRIV_NETINET_GETCRED); | error = priv_check(req->td, PRIV_NETINET_GETCRED); | ||||
| if (error) | if (error) | ||||
| return (error); | return (error); | ||||
| if (req->newlen != sizeof(addrs)) | if (req->newlen != sizeof(addrs)) | ||||
| return (EINVAL); | return (EINVAL); | ||||
| if (req->oldlen != sizeof(struct xucred)) | if (req->oldlen != sizeof(struct xucred)) | ||||
| return (EINVAL); | return (EINVAL); | ||||
| error = SYSCTL_IN(req, addrs, sizeof(addrs)); | error = SYSCTL_IN(req, addrs, sizeof(addrs)); | ||||
| if (error) | if (error) | ||||
| return (error); | return (error); | ||||
| if ((error = sa6_embedscope(&addrs[0], V_ip6_use_defzone)) != 0 || | if ((error = sa6_embedscope(&addrs[0], V_ip6_use_defzone)) != 0 || | ||||
| (error = sa6_embedscope(&addrs[1], V_ip6_use_defzone)) != 0) { | (error = sa6_embedscope(&addrs[1], V_ip6_use_defzone)) != 0) { | ||||
| return (error); | return (error); | ||||
| } | } | ||||
| NET_EPOCH_ENTER(et); | |||||
| inp = in6_pcblookup(&V_udbinfo, &addrs[1].sin6_addr, | inp = in6_pcblookup(&V_udbinfo, &addrs[1].sin6_addr, | ||||
| addrs[1].sin6_port, &addrs[0].sin6_addr, addrs[0].sin6_port, | addrs[1].sin6_port, &addrs[0].sin6_addr, addrs[0].sin6_port, | ||||
| INPLOOKUP_WILDCARD | INPLOOKUP_RLOCKPCB, NULL); | INPLOOKUP_WILDCARD | INPLOOKUP_RLOCKPCB, NULL); | ||||
| NET_EPOCH_EXIT(et); | |||||
| if (inp != NULL) { | if (inp != NULL) { | ||||
| INP_RLOCK_ASSERT(inp); | INP_RLOCK_ASSERT(inp); | ||||
| if (inp->inp_socket == NULL) | if (inp->inp_socket == NULL) | ||||
| error = ENOENT; | error = ENOENT; | ||||
| if (error == 0) | if (error == 0) | ||||
| error = cr_canseesocket(req->td->td_ucred, | error = cr_canseesocket(req->td->td_ucred, | ||||
| inp->inp_socket); | inp->inp_socket); | ||||
| if (error == 0) | if (error == 0) | ||||
| ▲ Show 20 Lines • Show All 749 Lines • Show Last 20 Lines | |||||