]> git.saurik.com Git - apple/xnu.git/blobdiff - bsd/netat/at.c
xnu-1228.15.4.tar.gz
[apple/xnu.git] / bsd / netat / at.c
index ce68330e194eaa66acbd3db79b91884d1655ba98..572b7f58bafea647a6ea38296a3bbd8397efa3a0 100644 (file)
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, 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,
- * 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@
  */
 /*
  *     Copyright (c) 1998 Apple Computer, Inc. 
@@ -41,8 +47,8 @@
 #include <net/if_types.h>
 #include <net/dlil.h>
 
-#include <netat/appletalk.h>
 #include <netat/sysglue.h>
+#include <netat/appletalk.h>
 #include <netat/at_pcb.h>
 #include <netat/at_var.h>
 #include <netat/ddp.h>
 #include <netat/debug.h>
 
 #include <sys/kern_event.h>
+#include <net/kpi_protocol.h>
+
+int lap_online( at_ifaddr_t *, at_if_cfg_t *cfgp);
 
-extern int at_ioctl(struct atpcb *, u_long, caddr_t, int fromKernel);
 extern int routerStart(at_kern_err_t *);
 extern void elap_offline(at_ifaddr_t *);
 extern at_ifaddr_t *find_ifID(char *);
-extern at_nvestr_t *getRTRLocalZone(zone_usage_t *);
-extern int setLocalZones(at_nvestr_t *, int);
 
 extern int xpatcnt;
 extern at_ifaddr_t at_interfaces[];
@@ -71,8 +77,7 @@ struct  etalk_addr      ttalk_multicast_addr = {
   {0xC0, 0x00, 0x40, 0x00, 0x00, 0x00}};
 
 /* called only in router mode */
-static int set_zones(ifz)
-       zone_usage_t *ifz;
+static int set_zones(zone_usage_t *ifz)
 
 /* 1. adds zone to table
    2. looks up each route entry from zone list
@@ -137,14 +142,12 @@ at_control(so, cmd, data, ifp)
 {
        struct ifreq *ifr = (struct ifreq *)data;
        int pat_id = 0, error = 0;
-       struct proc *p = current_proc();       
        at_ifaddr_t *ifID = 0;
        struct ifaddr *ifa;
        struct sockaddr_dl *sdl;
 
     if ((cmd & 0xffff) == 0xff99) {
                u_long  fixed_command;
-               char ioctl_buffer[32];
                /* *** this is a temporary hack to get at_send_to_dev() to
                   work with BSD-style sockets instead of the special purpose 
                   system calls, ATsocket() and ATioctl().
@@ -224,7 +227,7 @@ at_control(so, cmd, data, ifp)
                at_def_zone_t *defzonep = (at_def_zone_t *)data;
 
                /* check for root access */
-               if (error = suser(kauth_cred_get(), 0))
+               if ((error = suser(kauth_cred_get(), 0)))
                        return(EACCES);
 
                ifID = 0;
@@ -389,13 +392,11 @@ at_control(so, cmd, data, ifp)
                /* Normal case; no tuple found for this name, so insert
                 * this tuple in the registry and return ok response.
                 */
-               ATDISABLE(nve_lock, NVE_LOCK);
                if ((error2 = nbp_new_nve_entry(&nve, ifID)) == 0) {
                        nbpP->addr.net = ifID->ifThisNode.s_net;
                        nbpP->addr.node = ifID->ifThisNode.s_node;
                        nbpP->unique_nbp_id = nve.unique_nbp_id;
                }
-               ATENABLE(nve_lock, NVE_LOCK);
 
                return(error2);
                break;
@@ -411,16 +412,13 @@ at_control(so, cmd, data, ifp)
 
                /* delete by id */
                if (nbpP->unique_nbp_id) {
-                       ATDISABLE(nve_lock, NVE_LOCK);
                        TAILQ_FOREACH(nve_entry, &name_registry, nve_link) {
                                if (nve_entry->unique_nbp_id == nbpP->unique_nbp_id) {
                                        /* Found a match! */
                                        nbp_delete_entry(nve_entry);
-                                       ATENABLE(nve_lock, NVE_LOCK);
                                        return(0);
                                }
                        }
-                       ATENABLE(nve_lock, NVE_LOCK);
                        return(EADDRNOTAVAIL);
                }
 
@@ -440,9 +438,7 @@ at_control(so, cmd, data, ifp)
                                if ((nve_entry = nbp_find_nve(&nve)) == NULL) 
                                        continue;
 
-                               ATDISABLE(nve_lock, NVE_LOCK);
                                nbp_delete_entry(nve_entry);
-                               ATENABLE(nve_lock, NVE_LOCK);
                                found = TRUE;
                        }
                        if (found) 
@@ -458,9 +454,7 @@ at_control(so, cmd, data, ifp)
                /* Normal case; tuple found for this name, so delete
                 * the entry from the registry and return ok response.
                 */
-               ATDISABLE(nve_lock, NVE_LOCK);
                nbp_delete_entry(nve_entry);
-               ATENABLE(nve_lock, NVE_LOCK);
                return(0);
 
                break;
@@ -471,7 +465,7 @@ at_control(so, cmd, data, ifp)
                at_router_params_t *rt = (at_router_params_t *)data;
 
                /* check for root access */
-               if (error = suser(kauth_cred_get(), 0))
+               if ((error = suser(kauth_cred_get(), 0)))
                        return(EACCES);
 
                /* when in routing/multihome mode the AIOCSETROUTER IOCTL 
@@ -542,7 +536,7 @@ at_control(so, cmd, data, ifp)
                    ret;
 
                /* check for root access */
-               if (error = suser(kauth_cred_get(), 0))
+               if ((error = suser(kauth_cred_get(), 0)))
                        return(EACCES);
 
                ret = ddp_shutdown(*count_only);
@@ -569,12 +563,11 @@ at_control(so, cmd, data, ifp)
 
        case SIOCSIFADDR:
                /* check for root access */
-               if (error = suser(kauth_cred_get(), 0))
+               if ((error = suser(kauth_cred_get(), 0)))
                        error = EACCES;
                else if (ifID)
                        error = EEXIST;
                else {
-                       int s;
                        if (xpatcnt == 0) {
                                at_state.flags |= AT_ST_STARTING;
                                ddp_brt_init();
@@ -587,6 +580,17 @@ at_control(so, cmd, data, ifp)
 
                        ifID->aa_ifp = ifp;
                        ifa = &ifID->aa_ifa;
+                       error = proto_plumb(PF_APPLETALK, ifp);
+                       if (error == EEXIST) {
+                           ifID->at_was_attached = 1;
+                           error = 0;
+                       }
+                       if (error != 0) {
+                               break;
+                       }
+                       /* XXX ethernet-specific */
+                       ifID->cable_multicast_addr = etalk_multicast_addr;
+                       xpatcnt++;
                        ifnet_lock_exclusive(ifp);
                        TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) 
                                if ((sdl = (struct sockaddr_dl *)ifa->ifa_addr) &&
@@ -610,31 +614,6 @@ at_control(so, cmd, data, ifp)
                           is set */
                        if_attach_ifa(ifp, ifa);
                        ifnet_lock_done(ifp);
-
-                       switch (ifp->if_type) {
-                       case IFT_ETHER:
-                        case IFT_L2VLAN:
-                        case IFT_IEEE8023ADLAG: /* bonded ethernet */
-                               ether_attach_at(ifp);
-                               error = 0;
-                               ifID->cable_multicast_addr = etalk_multicast_addr;
-
-                               xpatcnt++;
-                               break;
-                       case IFT_FDDI:
-                               ifID->cable_multicast_addr = etalk_multicast_addr;
-                               ddp_bit_reverse(&ifID->cable_multicast_addr);
-                               xpatcnt++;
-                               break;
-                       case IFT_ISO88025: /* token ring */     
-                               ifID->cable_multicast_addr = ttalk_multicast_addr;
-                               ddp_bit_reverse(&ifID->cable_multicast_addr);
-
-                               xpatcnt++;
-                               break;
-                       default:
-                               error = EINVAL;
-                       }
                }
          break;
 
@@ -668,21 +647,17 @@ at_control(so, cmd, data, ifp)
 #endif
 
     case SIOCSETOT: {
-        int                            s;
         struct atpcb   *at_pcb, *clonedat_pcb;
         int                            cloned_fd = *(int *)data;
 
-        s = splnet();          /* XXX */
         at_pcb = sotoatpcb(so);
         
         /* let's make sure it's either -1 or a valid file descriptor */
         if (cloned_fd != -1) {
             struct socket      *cloned_so;
                        error = file_socket(cloned_fd, &cloned_so);
-            if (error){
-                splx(s);       /* XXX */
+            if (error)
                 break;
-            }
             clonedat_pcb = sotoatpcb(cloned_so);
         } else {
             clonedat_pcb = NULL;
@@ -693,15 +668,40 @@ at_control(so, cmd, data, ifp)
         } else {
             at_pcb->ddp_flags = clonedat_pcb->ddp_flags;
         }
-        splx(s);               /* XXX */
                file_drop(cloned_fd);
         break;
     }
         
+       case SIOCPROTOATTACH:
+               /* check for root access */
+               if (suser(kauth_cred_get(), 0) != 0) {
+                       error = EACCES;
+                       break;
+               }
+               error = proto_plumb(PF_APPLETALK, ifp);
+               if (ifID != NULL
+                   && (error == 0 || error == EEXIST)) {
+                       ifID->at_was_attached = 1;
+               }
+               break;
+
+       case SIOCPROTODETACH:
+               /* check for root access */
+               if (suser(kauth_cred_get(), 0) != 0) {
+                       error = EACCES;
+                       break;
+               }
+               if (ifID != NULL) {
+                       error = EBUSY;
+                       break;
+               }
+               error = proto_unplumb(PF_APPLETALK, ifp);
+               break;
+
        default:
                if (ifp == 0 || ifp->if_ioctl == 0)
                        return (EOPNOTSUPP);
-               return dlil_ioctl(0, ifp, cmd, (caddr_t) data);
+               return ifnet_ioctl(ifp, 0, cmd, data);
        }
 
        return(error);