xnu-7195.81.3.tar.gz

[apple/xnu.git] / bsd / kern / socket_info.c

diff --git a/bsd/kern/socket_info.c b/bsd/kern/socket_info.c
index 179f951040720af3b5bb8ab0ce0ccaa35221139d..1e4c009bb7023f54e5be34543a7fa9a0513b9748 100644 (file)
--- a/bsd/kern/socket_info.c
+++ b/bsd/kern/socket_info.c
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2005-2020 Apple Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  *
  *

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.

  *
  *

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.

  *
  *

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 
 #include <sys/types.h>
  */
 
 #include <sys/types.h>


@@ -36,6 +42,8 @@
 #include <sys/unpcb.h>
 #include <sys/sys_domain.h>
 #include <sys/kern_event.h>
 #include <sys/unpcb.h>
 #include <sys/sys_domain.h>
 #include <sys/kern_event.h>

+#include <sys/vsock_domain.h>
+#include <mach/vm_param.h>

 #include <net/ndrv_var.h>
 #include <netinet/in_pcb.h>
 #include <netinet/tcp_var.h>
 #include <net/ndrv_var.h>
 #include <netinet/in_pcb.h>
 #include <netinet/tcp_var.h>


@@ -52,29 +60,33 @@ fill_sockbuf_info(struct sockbuf *sb, struct sockbuf_info *sbi)
        sbi->sbi_mbcnt = sb->sb_mbcnt;
        sbi->sbi_mbmax = sb->sb_mbmax;
        sbi->sbi_lowat = sb->sb_lowat;
        sbi->sbi_mbcnt = sb->sb_mbcnt;
        sbi->sbi_mbmax = sb->sb_mbmax;
        sbi->sbi_lowat = sb->sb_lowat;

-       sbi->sbi_flags = sb->sb_flags;
-       sbi->sbi_timeo = (u_long)(sb->sb_timeo.tv_sec * hz) + sb->sb_timeo.tv_usec / tick;
-       if (sbi->sbi_timeo == 0 && sb->sb_timeo.tv_usec != 0)
+       sbi->sbi_flags = (short)sb->sb_flags;
+       sbi->sbi_timeo = (short)((sb->sb_timeo.tv_sec * hz) +
+           sb->sb_timeo.tv_usec / tick);
+       if (sbi->sbi_timeo == 0 && sb->sb_timeo.tv_usec != 0) {

                sbi->sbi_timeo = 1;
                sbi->sbi_timeo = 1;

+       }

 }
 
 static void
 fill_common_sockinfo(struct socket *so, struct socket_info *si)
 {
 }
 
 static void
 fill_common_sockinfo(struct socket *so, struct socket_info *si)
 {

-       si->soi_so = (u_int64_t)((uintptr_t)so);
+       si->soi_so = (u_int64_t)VM_KERNEL_ADDRPERM(so);

        si->soi_type = so->so_type;
        si->soi_type = so->so_type;

-       si->soi_options = so->so_options;
+       si->soi_options = (short)(so->so_options & 0xffff);

        si->soi_linger = so->so_linger;
        si->soi_state = so->so_state;
        si->soi_linger = so->so_linger;
        si->soi_state = so->so_state;

-       si->soi_pcb = (u_int64_t)((uintptr_t)so->so_pcb);
+       si->soi_pcb = (u_int64_t)VM_KERNEL_ADDRPERM(so->so_pcb);

        if (so->so_proto) {
        if (so->so_proto) {

-               si->soi_protocol = so->so_proto->pr_protocol;
-               if (so->so_proto->pr_domain)
-                       si->soi_family = so->so_proto->pr_domain->dom_family;
-               else
+               si->soi_protocol = SOCK_PROTO(so);
+               if (so->so_proto->pr_domain) {
+                       si->soi_family = SOCK_DOM(so);
+               } else {

                        si->soi_family = 0;
                        si->soi_family = 0;

-       } else
+               }
+       } else {

                si->soi_protocol = si->soi_family = 0;
                si->soi_protocol = si->soi_family = 0;

+       }

        si->soi_qlen = so->so_qlen;
        si->soi_incqlen = so->so_incqlen;
        si->soi_qlimit = so->so_qlimit;
        si->soi_qlen = so->so_qlen;
        si->soi_incqlen = so->so_incqlen;
        si->soi_qlimit = so->so_qlimit;


@@ -83,159 +95,165 @@ fill_common_sockinfo(struct socket *so, struct socket_info *si)
        si->soi_oobmark = so->so_oobmark;
        fill_sockbuf_info(&so->so_snd, &si->soi_snd);
        fill_sockbuf_info(&so->so_rcv, &si->soi_rcv);
        si->soi_oobmark = so->so_oobmark;
        fill_sockbuf_info(&so->so_snd, &si->soi_snd);
        fill_sockbuf_info(&so->so_rcv, &si->soi_rcv);

-       

 }
 
 errno_t
 fill_socketinfo(struct socket *so, struct socket_info *si)
 {
        errno_t error = 0;
 }
 
 errno_t
 fill_socketinfo(struct socket *so, struct socket_info *si)
 {
        errno_t error = 0;

-       int family;
+       int domain;

        short type;
        short protocol;
        short type;
        short protocol;

-               
+

        socket_lock(so, 0);
 
        si->soi_kind = SOCKINFO_GENERIC;
 
        fill_common_sockinfo(so, si);
 
        socket_lock(so, 0);
 
        si->soi_kind = SOCKINFO_GENERIC;
 
        fill_common_sockinfo(so, si);
 

-       if (so->so_pcb == 0 || so->so_proto == 0 || so->so_proto->pr_domain == 0)
+       if (so->so_pcb == NULL || so->so_proto == 0 ||
+           so->so_proto->pr_domain == NULL) {

                goto out;
                goto out;

+       }

 
 

-       /* The kind of socket is determined by the triplet {family, type, protocol} */
-       family = so->so_proto->pr_domain->dom_family;
-       type =  so->so_proto->pr_type;
-       protocol =  so->so_proto->pr_protocol;
-       switch (family) {
-               case AF_INET: 
-               case AF_INET6: {
-                       struct in_sockinfo *insi = &si->soi_proto.pri_in;
-                       struct inpcb *inp = (struct inpcb *)so->so_pcb;
-                       
-                       si->soi_kind = SOCKINFO_IN;
-                       
-                       insi->insi_fport = inp->inp_fport;
-                       insi->insi_lport = inp->inp_lport;
-                       insi->insi_gencnt = inp->inp_gencnt;
-                       insi->insi_flags = inp->inp_flags;
-                       insi->insi_vflag = inp->inp_vflag;
-                       insi->insi_ip_ttl = inp->inp_ip_ttl;
-                       insi->insi_faddr.ina_6 = inp->inp_dependfaddr.inp6_foreign;
-                       insi->insi_laddr.ina_6 = inp->inp_dependladdr.inp6_local;
-                       insi->insi_v4.in4_tos = inp->inp_depend4.inp4_ip_tos;
-                       insi->insi_v6.in6_hlim = inp->inp_depend6.inp6_hlim;
-                       insi->insi_v6.in6_cksum = inp->inp_depend6.inp6_cksum;
-                       insi->insi_v6.in6_ifindex = inp->inp6_ifindex;
-                       insi->insi_v6.in6_hops = inp->inp_depend6.inp6_hops;
-
-                       if (type == SOCK_STREAM && (protocol == 0 || protocol == IPPROTO_TCP) && inp->inp_ppcb != 0) {
-                               struct tcp_sockinfo *tcpsi = &si->soi_proto.pri_tcp;
-                               struct tcpcb *tp= (struct tcpcb *)inp->inp_ppcb;
-                               
-                               si->soi_kind = SOCKINFO_TCP;
-
-                               tcpsi->tcpsi_state = tp->t_state;
-                               tcpsi->tcpsi_timer[TCPT_REXMT] = tp->t_timer[TCPT_REXMT];
-                               tcpsi->tcpsi_timer[TCPT_PERSIST] = tp->t_timer[TCPT_PERSIST];
-                               tcpsi->tcpsi_timer[TCPT_KEEP] = tp->t_timer[TCPT_KEEP];
-                               tcpsi->tcpsi_timer[TCPT_2MSL] = tp->t_timer[TCPT_2MSL];
-                               tcpsi->tcpsi_mss = tp->t_maxseg;
-                               tcpsi->tcpsi_flags = tp->t_flags;
-                               tcpsi->tcpsi_tp = (u_int64_t)((uintptr_t)tp);
-                       }
-                       break;
+       /*
+        * The kind of socket is determined by the triplet
+        * {domain, type, protocol}
+        */
+       domain = SOCK_DOM(so);
+       type = SOCK_TYPE(so);
+       protocol = SOCK_PROTO(so);
+       switch (domain) {
+       case PF_INET:
+       case PF_INET6: {
+               struct in_sockinfo *insi = &si->soi_proto.pri_in;
+               struct inpcb *inp = (struct inpcb *)so->so_pcb;
+
+               si->soi_kind = SOCKINFO_IN;
+
+               insi->insi_fport = inp->inp_fport;
+               insi->insi_lport = inp->inp_lport;
+               insi->insi_gencnt = inp->inp_gencnt;
+               insi->insi_flags = inp->inp_flags;
+               insi->insi_vflag = inp->inp_vflag;
+               insi->insi_ip_ttl = inp->inp_ip_ttl;
+               insi->insi_faddr.ina_6 = inp->inp_dependfaddr.inp6_foreign;
+               insi->insi_laddr.ina_6 = inp->inp_dependladdr.inp6_local;
+               insi->insi_v4.in4_tos = inp->inp_depend4.inp4_ip_tos;
+               insi->insi_v6.in6_hlim = 0;
+               insi->insi_v6.in6_cksum = inp->inp_depend6.inp6_cksum;
+               insi->insi_v6.in6_ifindex = 0;
+               insi->insi_v6.in6_hops = inp->inp_depend6.inp6_hops;
+
+               if (type == SOCK_STREAM && (protocol == 0 ||
+                   protocol == IPPROTO_TCP) && inp->inp_ppcb != NULL) {
+                       struct tcp_sockinfo *tcpsi = &si->soi_proto.pri_tcp;
+                       struct tcpcb *tp = (struct tcpcb *)inp->inp_ppcb;
+
+                       si->soi_kind = SOCKINFO_TCP;
+
+                       tcpsi->tcpsi_state = tp->t_state;
+                       tcpsi->tcpsi_timer[TSI_T_REXMT] =
+                           tp->t_timer[TCPT_REXMT];
+                       tcpsi->tcpsi_timer[TSI_T_PERSIST] =
+                           tp->t_timer[TCPT_PERSIST];
+                       tcpsi->tcpsi_timer[TSI_T_KEEP] =
+                           tp->t_timer[TCPT_KEEP];
+                       tcpsi->tcpsi_timer[TSI_T_2MSL] =
+                           tp->t_timer[TCPT_2MSL];
+                       tcpsi->tcpsi_mss = tp->t_maxseg;
+                       tcpsi->tcpsi_flags = tp->t_flags;
+                       tcpsi->tcpsi_tp =
+                           (u_int64_t)VM_KERNEL_ADDRPERM(tp);

                }
                }

-               case AF_UNIX: {
-                       struct unpcb *unp = (struct unpcb *)so->so_pcb;
-                       struct un_sockinfo *unsi = &si->soi_proto.pri_un;
-                       
-                       si->soi_kind = SOCKINFO_UN;
-                       
-                       unsi->unsi_conn_pcb = (uint64_t)((uintptr_t)unp->unp_conn);
-                       if (unp->unp_conn)
-                               unsi->unsi_conn_so = (uint64_t)((uintptr_t)unp->unp_conn->unp_socket);
-                               
-                       
-                       if (unp->unp_addr) {
-                               size_t  addrlen = unp->unp_addr->sun_len;
-                               
-                               if (addrlen > SOCK_MAXADDRLEN)
-                                       addrlen = SOCK_MAXADDRLEN;
-                               bcopy(unp->unp_addr, &unsi->unsi_addr, addrlen);
-                       }
-                       if (unp->unp_conn && unp->unp_conn->unp_addr) {
-                               size_t  addrlen = unp->unp_conn->unp_addr->sun_len;
-                               
-                               if (addrlen > SOCK_MAXADDRLEN)
-                                       addrlen = SOCK_MAXADDRLEN;
-                               bcopy(unp->unp_conn->unp_addr, &unsi->unsi_caddr, addrlen);
+               break;
+       }
+       case PF_UNIX: {
+               struct unpcb *unp = (struct unpcb *)so->so_pcb;
+               struct un_sockinfo *unsi = &si->soi_proto.pri_un;
+
+               si->soi_kind = SOCKINFO_UN;
+
+               unsi->unsi_conn_pcb =
+                   (uint64_t)VM_KERNEL_ADDRPERM(unp->unp_conn);
+               if (unp->unp_conn) {
+                       unsi->unsi_conn_so = (uint64_t)
+                           VM_KERNEL_ADDRPERM(unp->unp_conn->unp_socket);
+               }
+
+               if (unp->unp_addr) {
+                       size_t  addrlen = unp->unp_addr->sun_len;
+
+                       if (addrlen > SOCK_MAXADDRLEN) {
+                               addrlen = SOCK_MAXADDRLEN;

                        }
                        }

-                       break;
+                       bcopy(unp->unp_addr, &unsi->unsi_addr, addrlen);

                }
                }

-               case AF_NDRV: {
-                       struct ndrv_cb *ndrv_cb = (struct ndrv_cb *)so->so_pcb;
-                       struct ndrv_info *ndrvsi = &si->soi_proto.pri_ndrv;
-
-                       si->soi_kind = SOCKINFO_NDRV;
-
-                       /* TDB lock ifnet ???? */
-                       if (ndrv_cb->nd_if != 0) {
-                               struct ifnet *ifp = ndrv_cb->nd_if;
-                               
-                               ndrvsi->ndrvsi_if_family = ifp->if_family;
-                               ndrvsi->ndrvsi_if_unit = ifp->if_unit;
-                               strncpy(ndrvsi->ndrvsi_if_name, ifp->if_name, IFNAMSIZ);
+               if (unp->unp_conn && unp->unp_conn->unp_addr) {
+                       size_t  addrlen = unp->unp_conn->unp_addr->sun_len;
+
+                       if (addrlen > SOCK_MAXADDRLEN) {
+                               addrlen = SOCK_MAXADDRLEN;

                        }
                        }

+                       bcopy(unp->unp_conn->unp_addr, &unsi->unsi_caddr,
+                           addrlen);
+               }
+               break;
+       }
+       case PF_NDRV: {
+               struct ndrv_cb *ndrv_cb = (struct ndrv_cb *)so->so_pcb;
+               struct ndrv_info *ndrvsi = &si->soi_proto.pri_ndrv;
+
+               si->soi_kind = SOCKINFO_NDRV;

 
 

-                       break;
+               /* TDB lock ifnet ???? */
+               if (ndrv_cb->nd_if != 0) {
+                       struct ifnet *ifp = ndrv_cb->nd_if;
+
+                       ndrvsi->ndrvsi_if_family = ifp->if_family;
+                       ndrvsi->ndrvsi_if_unit = ifp->if_unit;
+                       strlcpy(ndrvsi->ndrvsi_if_name, ifp->if_name, IFNAMSIZ);

                }
                }

-               case AF_SYSTEM:
-                       if (so->so_proto->pr_protocol == SYSPROTO_EVENT) {
-                               struct kern_event_pcb *ev_pcb = (struct kern_event_pcb *)so->so_pcb;
-                               struct kern_event_info *kesi = &si->soi_proto.pri_kern_event;
-                               
-                               si->soi_kind = SOCKINFO_KERN_EVENT;
-                               
-                               kesi->kesi_vendor_code_filter = ev_pcb->vendor_code_filter;
-                               kesi->kesi_class_filter = ev_pcb->class_filter;
-                               kesi->kesi_subclass_filter = ev_pcb->subclass_filter;
-                               
-                       } else if (so->so_proto->pr_protocol == SYSPROTO_CONTROL) {
-                               struct ctl_cb *kcb = (struct ctl_cb *)so->so_pcb;
-                               struct kern_ctl_info *kcsi = &si->soi_proto.pri_kern_ctl;
-                               struct kctl *kctl = kcb->kctl;
-                               
-                               
-                               si->soi_kind = SOCKINFO_KERN_CTL;
-                               
-                               if (kctl == 0)
-                                       break;
-                               kcsi->kcsi_id = kctl->id;
-                               kcsi->kcsi_reg_unit = kctl->id;
-                               kcsi->kcsi_flags = kctl->flags;
-                               kcsi->kcsi_recvbufsize = kctl->recvbufsize;
-                               kcsi->kcsi_sendbufsize = kctl->sendbufsize;
-                               kcsi->kcsi_unit = kcb->unit;
-                               strncpy(kcsi->kcsi_name, kctl->name, MAX_KCTL_NAME);
-                       }
-                       break;
-
-               case AF_APPLETALK:
-                       break;
-                       
-               case AF_ROUTE:
-                       break;
-
-               case AF_PPP:
-                       break;
-               
-               default:
-                       break;
+               break;
+       }
+       case PF_VSOCK: {
+               const struct vsockpcb *pcb = (struct vsockpcb *)(so)->so_pcb;
+               struct vsock_sockinfo *vsocksi = &si->soi_proto.pri_vsock;
+
+               si->soi_kind = SOCKINFO_VSOCK;
+
+               vsocksi->local_cid = pcb->local_address.cid;
+               vsocksi->local_port = pcb->local_address.port;
+               vsocksi->remote_cid = pcb->remote_address.cid;
+               vsocksi->remote_port = pcb->remote_address.port;
+
+               break;

        }
        }

-out:   
+       case PF_SYSTEM:
+               if (SOCK_PROTO(so) == SYSPROTO_EVENT) {
+                       struct kern_event_pcb *ev_pcb =
+                           (struct kern_event_pcb *)so->so_pcb;
+                       struct kern_event_info *kesi =
+                           &si->soi_proto.pri_kern_event;
+
+                       si->soi_kind = SOCKINFO_KERN_EVENT;
+
+                       kesi->kesi_vendor_code_filter =
+                           ev_pcb->evp_vendor_code_filter;
+                       kesi->kesi_class_filter = ev_pcb->evp_class_filter;
+                       kesi->kesi_subclass_filter = ev_pcb->evp_subclass_filter;
+               } else if (SOCK_PROTO(so) == SYSPROTO_CONTROL) {
+                       kctl_fill_socketinfo(so, si);
+               }
+               break;
+
+       case PF_ROUTE:
+       case PF_PPP:
+       default:
+               break;
+       }
+out:

        socket_unlock(so, 0);
        socket_unlock(so, 0);

-       
+

        return error;
 }
        return error;
 }

-