+#define IF_MAXAGENTS 64
+#define IF_AGENT_INCREMENT 8
+static __attribute__((noinline)) int
+ifioctl_netagent(struct ifnet *ifp, u_long cmd, caddr_t data, struct proc *p)
+{
+ struct if_agentidreq *ifar = (struct if_agentidreq *)(void *)data;
+ union {
+ struct if_agentidsreq32 s32;
+ struct if_agentidsreq64 s64;
+ } u;
+ int error = 0;
+ u_int32_t index = 0;
+
+ VERIFY(ifp != NULL);
+
+ /* Get an io ref count if the interface is attached */
+ if (!ifnet_is_attached(ifp, 1)) {
+ return (EOPNOTSUPP);
+ }
+
+ if (cmd == SIOCAIFAGENTID ||
+ cmd == SIOCDIFAGENTID) {
+ ifnet_lock_exclusive(ifp);
+ } else {
+ ifnet_lock_shared(ifp);
+ }
+
+ switch (cmd) {
+ case SIOCAIFAGENTID: { /* struct if_agentidreq */
+ uuid_t *first_empty_slot = NULL;
+ // TODO: Use priv_check_cred() instead of root check
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+ bool already_added = FALSE;
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *netagent_uuid = &(ifp->if_agentids[index]);
+ if (uuid_compare(*netagent_uuid, ifar->ifar_uuid) == 0) {
+ /* Already present, ignore */
+ already_added = TRUE;
+ break;
+ }
+ if (first_empty_slot == NULL &&
+ uuid_is_null(*netagent_uuid)) {
+ first_empty_slot = netagent_uuid;
+ }
+ }
+ }
+ if (already_added) {
+ /* Already added agent, don't return an error */
+ break;
+ }
+ if (first_empty_slot == NULL) {
+ if (ifp->if_agentcount >= IF_MAXAGENTS) {
+ /* No room for another netagent UUID, bail */
+ error = ENOMEM;
+ break;
+ } else {
+ /* Calculate new array size */
+ u_int32_t new_agent_count =
+ MIN(ifp->if_agentcount + IF_AGENT_INCREMENT, IF_MAXAGENTS);
+
+ /* Reallocate array */
+ uuid_t *new_agent_array = _REALLOC(ifp->if_agentids,
+ sizeof(uuid_t) * new_agent_count, M_NETAGENT,
+ M_WAITOK | M_ZERO);
+ if (new_agent_array == NULL) {
+ error = ENOMEM;
+ break;
+ }
+
+ /* Save new array */
+ ifp->if_agentids = new_agent_array;
+
+ /* Set first empty slot */
+ first_empty_slot = &(ifp->if_agentids[ifp->if_agentcount]);
+
+ /* Save new array length */
+ ifp->if_agentcount = new_agent_count;
+ }
+ }
+ uuid_copy(*first_empty_slot, ifar->ifar_uuid);
+ netagent_post_updated_interfaces(ifar->ifar_uuid);
+ break;
+ }
+ case SIOCDIFAGENTID: { /* struct if_agentidreq */
+ bool removed_agent_id = FALSE;
+ // TODO: Use priv_check_cred() instead of root check
+ if ((error = proc_suser(p)) != 0) {
+ break;
+ }
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *netagent_uuid = &(ifp->if_agentids[index]);
+ if (uuid_compare(*netagent_uuid, ifar->ifar_uuid) == 0) {
+ uuid_clear(*netagent_uuid);
+ removed_agent_id = TRUE;
+ break;
+ }
+ }
+ }
+ if (removed_agent_id) {
+ netagent_post_updated_interfaces(ifar->ifar_uuid);
+ }
+ break;
+ }
+ case SIOCGIFAGENTIDS32: { /* struct if_agentidsreq32 */
+ bcopy(data, &u.s32, sizeof(u.s32));
+ error = ifioctl_getnetagents(ifp, &u.s32.ifar_count,
+ u.s32.ifar_uuids);
+ if (error == 0) {
+ bcopy(&u.s32, data, sizeof(u.s32));
+ }
+ break;
+ }
+ case SIOCGIFAGENTIDS64: { /* struct if_agentidsreq64 */
+ bcopy(data, &u.s64, sizeof(u.s64));
+ error = ifioctl_getnetagents(ifp, &u.s64.ifar_count,
+ u.s64.ifar_uuids);
+ if (error == 0) {
+ bcopy(&u.s64, data, sizeof(u.s64));
+ }
+ break;
+ }
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ ifnet_lock_done(ifp);
+ ifnet_decr_iorefcnt(ifp);
+
+ return (error);
+}
+
+void
+ifnet_clear_netagent(uuid_t netagent_uuid)
+{
+ struct ifnet *ifp = NULL;
+ u_int32_t index = 0;
+
+ ifnet_head_lock_shared();
+
+ TAILQ_FOREACH(ifp, &ifnet_head, if_link) {
+ ifnet_lock_shared(ifp);
+ if (ifp->if_agentids != NULL) {
+ for (index = 0; index < ifp->if_agentcount; index++) {
+ uuid_t *ifp_netagent_uuid = &(ifp->if_agentids[index]);
+ if (uuid_compare(*ifp_netagent_uuid, netagent_uuid) == 0) {
+ uuid_clear(*ifp_netagent_uuid);
+ }
+ }
+ }
+ ifnet_lock_done(ifp);
+ }
+
+ ifnet_head_done();
+}
+
+void
+ifnet_increment_generation(ifnet_t interface)
+{
+ OSIncrementAtomic(&interface->if_generation);
+}
+
+u_int32_t
+ifnet_get_generation(ifnet_t interface)
+{
+ return (interface->if_generation);
+}
+
+void
+ifnet_remove_from_ordered_list(struct ifnet *ifp)
+{
+ ifnet_head_assert_exclusive();
+
+ // Remove from list
+ TAILQ_REMOVE(&ifnet_ordered_head, ifp, if_ordered_link);
+ ifp->if_ordered_link.tqe_next = NULL;
+ ifp->if_ordered_link.tqe_prev = NULL;
+
+ // Update ordered count
+ VERIFY(if_ordered_count > 0);
+ if_ordered_count--;
+}
+
+static int
+ifnet_reset_order(u_int32_t *ordered_indices, u_int32_t count)
+{
+ struct ifnet *ifp = NULL;
+ int error = 0;
+
+ ifnet_head_lock_exclusive();
+
+ // Flush current ordered list
+ for (ifp = TAILQ_FIRST(&ifnet_ordered_head); ifp != NULL;
+ ifp = TAILQ_FIRST(&ifnet_ordered_head)) {
+ ifnet_lock_exclusive(ifp);
+ ifnet_remove_from_ordered_list(ifp);
+ ifnet_lock_done(ifp);
+ }
+
+ VERIFY(if_ordered_count == 0);
+
+ for (u_int32_t order_index = 0; order_index < count; order_index++) {
+ u_int32_t interface_index = ordered_indices[order_index];
+ if (interface_index == IFSCOPE_NONE ||
+ (int)interface_index > if_index) {
+ break;
+ }
+ ifp = ifindex2ifnet[interface_index];
+ if (ifp == NULL) {
+ continue;
+ }
+ ifnet_lock_exclusive(ifp);
+ TAILQ_INSERT_TAIL(&ifnet_ordered_head, ifp, if_ordered_link);
+ ifnet_lock_done(ifp);
+ if_ordered_count++;
+ }
+
+ ifnet_head_done();
+
+ necp_update_all_clients();
+
+ return (error);
+}
+
+int
+if_set_qosmarking_mode(struct ifnet *ifp, u_int32_t mode)
+{
+ int error = 0;
+ u_int32_t old_mode = ifp->if_qosmarking_mode;
+
+ switch (mode) {
+ case IFRTYPE_QOSMARKING_MODE_NONE:
+ ifp->if_qosmarking_mode = IFRTYPE_QOSMARKING_MODE_NONE;
+ ifp->if_eflags &= ~IFEF_QOSMARKING_CAPABLE;
+ break;
+ case IFRTYPE_QOSMARKING_FASTLANE:
+ ifp->if_qosmarking_mode = IFRTYPE_QOSMARKING_FASTLANE;
+ ifp->if_eflags |= IFEF_QOSMARKING_CAPABLE;
+ if (net_qos_policy_capable_enabled != 0)
+ ifp->if_eflags |= IFEF_QOSMARKING_ENABLED;
+ break;
+ default:
+ error = EINVAL;
+ break;
+ }
+ if (error == 0 && old_mode != ifp->if_qosmarking_mode) {
+ dlil_post_msg(ifp, KEV_DL_SUBCLASS, KEV_DL_QOS_MODE_CHANGED,
+ NULL, sizeof(struct kev_dl_rrc_state));
+
+ }
+ return (error);
+}
+
+static __attribute__((noinline)) int
+ifioctl_iforder(u_long cmd, caddr_t data)
+{
+ int error = 0;
+ u_int32_t *ordered_indices = NULL;
+
+ if (data == NULL) {
+ return (EINVAL);
+ }
+
+ switch (cmd) {
+ case SIOCSIFORDER: { /* struct if_order */
+ struct if_order *ifo = (struct if_order *)(void *)data;
+
+ if ((int)ifo->ifo_count > if_index) {
+ error = EINVAL;
+ break;
+ }
+
+ size_t length = (ifo->ifo_count * sizeof(u_int32_t));
+ if (length > 0) {
+ if (ifo->ifo_ordered_indices == USER_ADDR_NULL) {
+ error = EINVAL;
+ break;
+ }
+ ordered_indices = _MALLOC(length, M_NECP, M_WAITOK);
+ if (ordered_indices == NULL) {
+ error = ENOMEM;
+ break;
+ }
+
+ error = copyin(ifo->ifo_ordered_indices,
+ ordered_indices, length);
+ if (error != 0) {
+ break;
+ }
+ }
+
+ error = ifnet_reset_order(ordered_indices, ifo->ifo_count);
+ break;
+ }
+
+ case SIOCGIFORDER: { /* struct if_order */
+ struct if_order *ifo = (struct if_order *)(void *)data;
+
+ u_int32_t ordered_count = if_ordered_count;
+
+ if (ifo->ifo_count == 0 ||
+ ordered_count == 0) {
+ ifo->ifo_count = ordered_count;
+ } else if (ifo->ifo_ordered_indices != USER_ADDR_NULL) {
+ u_int32_t count_to_copy =
+ MIN(ordered_count, ifo->ifo_count);
+ size_t length = (count_to_copy * sizeof(u_int32_t));
+ struct ifnet *ifp = NULL;
+ u_int32_t cursor = 0;
+
+ ordered_indices = _MALLOC(length, M_NECP, M_WAITOK);
+ if (ordered_indices == NULL) {
+ error = ENOMEM;
+ break;
+ }
+
+ ifnet_head_lock_shared();
+ TAILQ_FOREACH(ifp, &ifnet_ordered_head, if_ordered_link) {
+ if (cursor > count_to_copy) {
+ break;
+ }
+ ordered_indices[cursor] = ifp->if_index;
+ cursor++;
+ }
+ ifnet_head_done();
+
+ ifo->ifo_count = count_to_copy;
+ error = copyout(ordered_indices,
+ ifo->ifo_ordered_indices, length);
+ } else {
+ error = EINVAL;
+ }
+ break;
+ }
+
+ default: {
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ }
+
+ if (ordered_indices != NULL) {
+ _FREE(ordered_indices, M_NECP);
+ }
+
+ return (error);
+}
+
+static __attribute__((noinline)) int
+ifioctl_netsignature(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct if_nsreq *ifnsr = (struct if_nsreq *)(void *)data;
+ u_int16_t flags;
+ int error = 0;
+
+ VERIFY(ifp != NULL);
+
+ switch (cmd) {
+ case SIOCSIFNETSIGNATURE: /* struct if_nsreq */
+ if (ifnsr->ifnsr_len > sizeof (ifnsr->ifnsr_data)) {
+ error = EINVAL;
+ break;
+ }
+ bcopy(&ifnsr->ifnsr_flags, &flags, sizeof (flags));
+ error = ifnet_set_netsignature(ifp, ifnsr->ifnsr_family,
+ ifnsr->ifnsr_len, flags, ifnsr->ifnsr_data);
+ break;
+
+ case SIOCGIFNETSIGNATURE: /* struct if_nsreq */
+ ifnsr->ifnsr_len = sizeof (ifnsr->ifnsr_data);
+ error = ifnet_get_netsignature(ifp, ifnsr->ifnsr_family,
+ &ifnsr->ifnsr_len, &flags, ifnsr->ifnsr_data);
+ if (error == 0)
+ bcopy(&flags, &ifnsr->ifnsr_flags, sizeof (flags));
+ else
+ ifnsr->ifnsr_len = 0;
+ break;
+
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+
+ return (error);
+}
+
+/*
+ * Interface ioctls.
+ *
+ * Most of the routines called to handle the ioctls would end up being
+ * tail-call optimized, which unfortunately causes this routine to
+ * consume too much stack space; this is the reason for the "noinline"
+ * attribute used on those routines.
+ */
+int
+ifioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p)
+{
+ char ifname[IFNAMSIZ + 1];
+ struct ifnet *ifp = NULL;
+ struct ifstat *ifs = NULL;
+ int error = 0;
+
+ bzero(ifname, sizeof (ifname));
+
+ /*
+ * ioctls which don't require ifp, or ifreq ioctls
+ */
+ switch (cmd) {
+ case OSIOCGIFCONF32: /* struct ifconf32 */
+ case SIOCGIFCONF32: /* struct ifconf32 */
+ case SIOCGIFCONF64: /* struct ifconf64 */
+ case OSIOCGIFCONF64: /* struct ifconf64 */
+ error = ifioctl_ifconf(cmd, data);
+ goto done;
+
+ case SIOCIFGCLONERS32: /* struct if_clonereq32 */
+ case SIOCIFGCLONERS64: /* struct if_clonereq64 */
+ error = ifioctl_ifclone(cmd, data);
+ goto done;
+
+ case SIOCGIFAGENTDATA32: /* struct netagent_req32 */
+ case SIOCGIFAGENTDATA64: /* struct netagent_req64 */
+ case SIOCGIFAGENTLIST32: /* struct netagentlist_req32 */
+ case SIOCGIFAGENTLIST64: /* struct netagentlist_req64 */
+ error = netagent_ioctl(cmd, data);
+ goto done;
+
+ case SIOCSIFORDER: /* struct if_order */
+ case SIOCGIFORDER: /* struct if_order */
+ error = ifioctl_iforder(cmd, data);
+ goto done;
+
+ case SIOCSIFDSTADDR: /* struct ifreq */
+ case SIOCSIFADDR: /* struct ifreq */
+ case SIOCSIFBRDADDR: /* struct ifreq */
+ case SIOCSIFNETMASK: /* struct ifreq */
+ case OSIOCGIFADDR: /* struct ifreq */
+ case OSIOCGIFDSTADDR: /* struct ifreq */
+ case OSIOCGIFBRDADDR: /* struct ifreq */
+ case OSIOCGIFNETMASK: /* struct ifreq */
+ case SIOCSIFKPI: /* struct ifreq */
+ if (so->so_proto == NULL) {
+ error = EOPNOTSUPP;
+ goto done;
+ }
+ /* FALLTHRU */
+ case SIOCIFCREATE: /* struct ifreq */
+ case SIOCIFCREATE2: /* struct ifreq */
+ case SIOCIFDESTROY: /* struct ifreq */
+ case SIOCGIFFLAGS: /* struct ifreq */
+ case SIOCGIFEFLAGS: /* struct ifreq */
+ case SIOCGIFCAP: /* struct ifreq */
+#if CONFIG_MACF_NET
+ case SIOCGIFMAC: /* struct ifreq */
+ case SIOCSIFMAC: /* struct ifreq */
+#endif /* CONFIG_MACF_NET */
+ case SIOCGIFMETRIC: /* struct ifreq */
+ case SIOCGIFMTU: /* struct ifreq */
+ case SIOCGIFPHYS: /* struct ifreq */
+ case SIOCSIFFLAGS: /* struct ifreq */
+ case SIOCSIFCAP: /* struct ifreq */
+ case SIOCSIFMETRIC: /* struct ifreq */
+ case SIOCSIFPHYS: /* struct ifreq */
+ case SIOCSIFMTU: /* struct ifreq */
+ case SIOCADDMULTI: /* struct ifreq */
+ case SIOCDELMULTI: /* struct ifreq */
+ case SIOCDIFPHYADDR: /* struct ifreq */
+ case SIOCSIFMEDIA: /* struct ifreq */
+ case SIOCSIFGENERIC: /* struct ifreq */
+ case SIOCSIFLLADDR: /* struct ifreq */
+ case SIOCSIFALTMTU: /* struct ifreq */
+ case SIOCSIFVLAN: /* struct ifreq */
+ case SIOCSIFBOND: /* struct ifreq */
+ case SIOCGIFLLADDR: /* struct ifreq */
+ case SIOCGIFTYPE: /* struct ifreq */
+ case SIOCGIFFUNCTIONALTYPE: /* struct ifreq */
+ case SIOCGIFPSRCADDR: /* struct ifreq */
+ case SIOCGIFPDSTADDR: /* struct ifreq */
+ case SIOCGIFGENERIC: /* struct ifreq */
+ case SIOCGIFDEVMTU: /* struct ifreq */
+ case SIOCGIFVLAN: /* struct ifreq */
+ case SIOCGIFBOND: /* struct ifreq */
+ case SIOCGIFWAKEFLAGS: /* struct ifreq */
+ case SIOCGIFGETRTREFCNT: /* struct ifreq */
+ case SIOCSIFOPPORTUNISTIC: /* struct ifreq */
+ case SIOCGIFOPPORTUNISTIC: /* struct ifreq */
+ case SIOCGIFLINKQUALITYMETRIC: /* struct ifreq */
+ case SIOCSIFLOG: /* struct ifreq */
+ case SIOCGIFLOG: /* struct ifreq */
+ case SIOCGIFDELEGATE: /* struct ifreq */
+ case SIOCGIFEXPENSIVE: /* struct ifreq */
+ case SIOCSIFEXPENSIVE: /* struct ifreq */
+ case SIOCSIF2KCL: /* struct ifreq */
+ case SIOCGIF2KCL: /* struct ifreq */
+ case SIOCSIFINTERFACESTATE: /* struct ifreq */
+ case SIOCGIFINTERFACESTATE: /* struct ifreq */
+ case SIOCSIFPROBECONNECTIVITY: /* struct ifreq */
+ case SIOCGIFPROBECONNECTIVITY: /* struct ifreq */
+ case SIOCGSTARTDELAY: /* struct ifreq */
+ case SIOCSIFTIMESTAMPENABLE: /* struct ifreq */
+ case SIOCSIFTIMESTAMPDISABLE: /* struct ifreq */
+ case SIOCGIFTIMESTAMPENABLED: /* struct ifreq */
+#if (DEBUG || DEVELOPMENT)
+ case SIOCSIFDISABLEOUTPUT: /* struct ifreq */
+#endif /* (DEBUG || DEVELOPMENT) */
+ case SIOCGECNMODE: /* struct ifreq */
+ case SIOCSECNMODE: { /* struct ifreq */
+ struct ifreq ifr;
+ bcopy(data, &ifr, sizeof (ifr));
+ ifr.ifr_name[IFNAMSIZ - 1] = '\0';
+ bcopy(&ifr.ifr_name, ifname, IFNAMSIZ);
+ error = ifioctl_ifreq(so, cmd, &ifr, p);
+ bcopy(&ifr, data, sizeof (ifr));
+ goto done;
+ }
+ case SIOCSQOSMARKINGMODE: /* struct ifreq */
+ case SIOCSQOSMARKINGENABLED: /* struct ifreq */
+ case SIOCGQOSMARKINGMODE: /* struct ifreq */
+ case SIOCGQOSMARKINGENABLED: /* struct ifreq */
+ { /* struct ifreq */
+ struct ifreq ifr;
+ bcopy(data, &ifr, sizeof (ifr));
+ ifr.ifr_name[IFNAMSIZ - 1] = '\0';
+ bcopy(&ifr.ifr_name, ifname, IFNAMSIZ);
+ error = ifioctl_ifreq(so, cmd, &ifr, p);
+ bcopy(&ifr, data, sizeof (ifr));
+ goto done;
+ }
+ }
+
+ /*
+ * ioctls which require ifp. Note that we acquire dlil_ifnet_lock
+ * here to ensure that the ifnet, if found, has been fully attached.
+ */
+ dlil_if_lock();
+ switch (cmd) {
+ case SIOCSIFPHYADDR: /* struct {if,in_}aliasreq */
+ bcopy(((struct in_aliasreq *)(void *)data)->ifra_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+#if INET6
+ case SIOCSIFPHYADDR_IN6_32: /* struct in6_aliasreq_32 */
+ bcopy(((struct in6_aliasreq_32 *)(void *)data)->ifra_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCSIFPHYADDR_IN6_64: /* struct in6_aliasreq_64 */
+ bcopy(((struct in6_aliasreq_64 *)(void *)data)->ifra_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+#endif /* INET6 */
+
+ case SIOCGIFSTATUS: /* struct ifstat */
+ ifs = _MALLOC(sizeof (*ifs), M_DEVBUF, M_WAITOK);
+ if (ifs == NULL) {
+ error = ENOMEM;
+ dlil_if_unlock();
+ goto done;
+ }
+ bcopy(data, ifs, sizeof (*ifs));
+ ifs->ifs_name[IFNAMSIZ - 1] = '\0';
+ bcopy(ifs->ifs_name, ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCGIFMEDIA32: /* struct ifmediareq32 */
+ bcopy(((struct ifmediareq32 *)(void *)data)->ifm_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCGIFMEDIA64: /* struct ifmediareq64 */
+ bcopy(((struct ifmediareq64 *)(void *)data)->ifm_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCSIFDESC: /* struct if_descreq */
+ case SIOCGIFDESC: /* struct if_descreq */
+ bcopy(((struct if_descreq *)(void *)data)->ifdr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCSIFLINKPARAMS: /* struct if_linkparamsreq */
+ case SIOCGIFLINKPARAMS: /* struct if_linkparamsreq */
+ bcopy(((struct if_linkparamsreq *)(void *)data)->iflpr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCGIFQUEUESTATS: /* struct if_qstatsreq */
+ bcopy(((struct if_qstatsreq *)(void *)data)->ifqr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCSIFTHROTTLE: /* struct if_throttlereq */
+ case SIOCGIFTHROTTLE: /* struct if_throttlereq */
+ bcopy(((struct if_throttlereq *)(void *)data)->ifthr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCAIFAGENTID: /* struct if_agentidreq */
+ case SIOCDIFAGENTID: /* struct if_agentidreq */
+ case SIOCGIFAGENTIDS32: /* struct if_agentidsreq32 */
+ case SIOCGIFAGENTIDS64: /* struct if_agentidsreq64 */
+ bcopy(((struct if_agentidreq *)(void *)data)->ifar_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ case SIOCSIFNETSIGNATURE: /* struct if_nsreq */
+ case SIOCGIFNETSIGNATURE: /* struct if_nsreq */
+ bcopy(((struct if_nsreq *)(void *)data)->ifnsr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+
+ default:
+ /*
+ * This is a bad assumption, but the code seems to
+ * have been doing this in the past; caveat emptor.
+ */
+ bcopy(((struct ifreq *)(void *)data)->ifr_name,
+ ifname, IFNAMSIZ);
+ ifp = ifunit(ifname);
+ break;
+ }
+ dlil_if_unlock();
+
+ if (ifp == NULL) {
+ error = ENXIO;
+ goto done;
+ }
+
+ switch (cmd) {
+ case SIOCSIFPHYADDR: /* struct {if,in_}aliasreq */
+#if INET6
+ case SIOCSIFPHYADDR_IN6_32: /* struct in6_aliasreq_32 */
+ case SIOCSIFPHYADDR_IN6_64: /* struct in6_aliasreq_64 */
+#endif /* INET6 */
+ error = proc_suser(p);
+ if (error != 0)
+ break;
+
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, data);
+ if (error != 0)
+ break;
+
+ ifnet_touch_lastchange(ifp);
+ break;
+
+ case SIOCGIFSTATUS: /* struct ifstat */
+ VERIFY(ifs != NULL);
+ ifs->ascii[0] = '\0';
+
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, (caddr_t)ifs);
+
+ bcopy(ifs, data, sizeof (*ifs));
+ break;
+
+ case SIOCGIFMEDIA32: /* struct ifmediareq32 */
+ case SIOCGIFMEDIA64: /* struct ifmediareq64 */
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, data);
+ break;
+
+ case SIOCSIFDESC: /* struct if_descreq */
+ case SIOCGIFDESC: /* struct if_descreq */
+ error = ifioctl_ifdesc(ifp, cmd, data, p);
+ break;
+
+ case SIOCSIFLINKPARAMS: /* struct if_linkparamsreq */
+ case SIOCGIFLINKPARAMS: /* struct if_linkparamsreq */
+ error = ifioctl_linkparams(ifp, cmd, data, p);
+ break;
+
+ case SIOCGIFQUEUESTATS: /* struct if_qstatsreq */
+ error = ifioctl_qstats(ifp, cmd, data);
+ break;
+
+ case SIOCSIFTHROTTLE: /* struct if_throttlereq */
+ case SIOCGIFTHROTTLE: /* struct if_throttlereq */
+ error = ifioctl_throttle(ifp, cmd, data, p);
+ break;
+
+ case SIOCAIFAGENTID: /* struct if_agentidreq */
+ case SIOCDIFAGENTID: /* struct if_agentidreq */
+ case SIOCGIFAGENTIDS32: /* struct if_agentidsreq32 */
+ case SIOCGIFAGENTIDS64: /* struct if_agentidsreq64 */
+ error = ifioctl_netagent(ifp, cmd, data, p);
+ break;
+
+ case SIOCSIFNETSIGNATURE: /* struct if_nsreq */
+ case SIOCGIFNETSIGNATURE: /* struct if_nsreq */
+ error = ifioctl_netsignature(ifp, cmd, data);
+ break;
+
+ default:
+ if (so->so_proto == NULL) {
+ error = EOPNOTSUPP;
+ break;
+ }
+
+ socket_lock(so, 1);
+ error = ((*so->so_proto->pr_usrreqs->pru_control)(so, cmd,
+ data, ifp, p));
+ socket_unlock(so, 1);
+
+ if (error == EOPNOTSUPP || error == ENOTSUP) {
+ error = ifnet_ioctl(ifp, SOCK_DOM(so), cmd, data);
+ }
+ break;
+ }
+
+done:
+ if (ifs != NULL)
+ _FREE(ifs, M_DEVBUF);
+
+ if (if_verbose) {
+ if (ifname[0] == '\0')
+ (void) snprintf(ifname, sizeof (ifname), "%s",
+ "NULL");
+ else if (ifp != NULL)
+ (void) snprintf(ifname, sizeof (ifname), "%s",
+ if_name(ifp));
+
+ if (error != 0) {
+ printf("%s[%s,%d]: ifp %s cmd 0x%08lx (%c%c [%lu] "
+ "%c %lu) error %d\n", __func__,
+ proc_name_address(p), proc_pid(p),
+ ifname, cmd, (cmd & IOC_IN) ? 'I' : ' ',
+ (cmd & IOC_OUT) ? 'O' : ' ', IOCPARM_LEN(cmd),
+ (char)IOCGROUP(cmd), cmd & 0xff, error);
+ } else if (if_verbose > 1) {
+ printf("%s[%s,%d]: ifp %s cmd 0x%08lx (%c%c [%lu] "
+ "%c %lu) OK\n", __func__,
+ proc_name_address(p), proc_pid(p),
+ ifname, cmd, (cmd & IOC_IN) ? 'I' : ' ',
+ (cmd & IOC_OUT) ? 'O' : ' ', IOCPARM_LEN(cmd),
+ (char)IOCGROUP(cmd), cmd & 0xff);
+ }
+ }
+
+ return (error);
+}
+
+static __attribute__((noinline)) int
+ifioctl_ifreq(struct socket *so, u_long cmd, struct ifreq *ifr, struct proc *p)
+{
+ struct ifnet *ifp;
+ u_long ocmd = cmd;
+ int error = 0;
+ struct kev_msg ev_msg;
+ struct net_event_data ev_data;
+
+ bzero(&ev_data, sizeof (struct net_event_data));
+ bzero(&ev_msg, sizeof (struct kev_msg));
+
+ switch (cmd) {
+ case SIOCIFCREATE:
+ case SIOCIFCREATE2:
+ error = proc_suser(p);
+ if (error)
+ return (error);
+ return (if_clone_create(ifr->ifr_name, sizeof(ifr->ifr_name),
+ cmd == SIOCIFCREATE2 ? ifr->ifr_data : NULL));
+ case SIOCIFDESTROY:
projects / apple / xnu.git / blobdiff