diff options
Diffstat (limited to 'usr/src/uts/common/os/zone.c')
| -rw-r--r-- | usr/src/uts/common/os/zone.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/usr/src/uts/common/os/zone.c b/usr/src/uts/common/os/zone.c index caf10ee8df..bbc91e3fa7 100644 --- a/usr/src/uts/common/os/zone.c +++ b/usr/src/uts/common/os/zone.c @@ -252,6 +252,7 @@ /* List of data link IDs which are accessible from the zone */ typedef struct zone_dl { datalink_id_t zdl_id; + nvlist_t *zdl_net; list_node_t zdl_linkage; } zone_dl_t; @@ -364,6 +365,8 @@ static int zone_shutdown(zoneid_t zoneid); static int zone_add_datalink(zoneid_t, datalink_id_t); static int zone_remove_datalink(zoneid_t, datalink_id_t); static int zone_list_datalink(zoneid_t, int *, datalink_id_t *); +static int zone_set_network(zoneid_t, zone_net_data_t *); +static int zone_get_network(zoneid_t, zone_net_data_t *); typedef boolean_t zsd_applyfn_t(kmutex_t *, boolean_t, zone_t *, zone_key_t); @@ -4719,6 +4722,7 @@ zone_getattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize) boolean_t global = (curzone == global_zone); boolean_t inzone = (curzone->zone_id == zoneid); ushort_t flags; + zone_net_data_t *zbuf; mutex_enter(&zonehash_lock); if ((zone = zone_find_all_by_id(zoneid)) == NULL) { @@ -4973,6 +4977,17 @@ zone_getattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize) error = EFAULT; } break; + case ZONE_ATTR_NETWORK: + zbuf = kmem_alloc(bufsize, KM_SLEEP); + if (copyin(buf, zbuf, bufsize) != 0) { + error = EFAULT; + } else { + error = zone_get_network(zoneid, zbuf); + if (error == 0 && copyout(zbuf, buf, bufsize) != 0) + error = EFAULT; + } + kmem_free(zbuf, bufsize); + break; default: if ((attr >= ZONE_ATTR_BRAND_ATTRS) && ZONE_IS_BRANDED(zone)) { size = bufsize; @@ -4998,6 +5013,7 @@ zone_setattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize) zone_t *zone; zone_status_t zone_status; int err; + zone_net_data_t *zbuf; if (secpolicy_zone_config(CRED()) != 0) return (set_errno(EPERM)); @@ -5055,6 +5071,19 @@ zone_setattr(zoneid_t zoneid, int attr, void *buf, size_t bufsize) err = EINVAL; } break; + case ZONE_ATTR_NETWORK: + if (bufsize > (PIPE_BUF + sizeof (zone_net_data_t))) { + err = EINVAL; + goto done; + } + zbuf = kmem_alloc(bufsize, KM_SLEEP); + if (copyin(buf, zbuf, bufsize) != 0) { + err = EFAULT; + goto done; + } + err = zone_set_network(zoneid, zbuf); + kmem_free(zbuf, bufsize); + break; default: if ((attr >= ZONE_ATTR_BRAND_ATTRS) && ZONE_IS_BRANDED(zone)) err = ZBROP(zone)->b_setattr(zone, attr, buf, bufsize); @@ -6328,6 +6357,7 @@ zone_add_datalink(zoneid_t zoneid, datalink_id_t linkid) zdl = kmem_zalloc(sizeof (*zdl), KM_SLEEP); zdl->zdl_id = linkid; + zdl->zdl_net = NULL; mutex_enter(&thiszone->zone_lock); list_insert_head(&thiszone->zone_dl_list, zdl); mutex_exit(&thiszone->zone_lock); @@ -6351,6 +6381,8 @@ zone_remove_datalink(zoneid_t zoneid, datalink_id_t linkid) err = ENXIO; } else { list_remove(&zone->zone_dl_list, zdl); + if (zdl->zdl_net != NULL) + nvlist_free(zdl->zdl_net); kmem_free(zdl, sizeof (zone_dl_t)); } mutex_exit(&zone->zone_lock); @@ -6524,3 +6556,125 @@ zone_datalink_walk(zoneid_t zoneid, int (*cb)(datalink_id_t, void *), kmem_free(idarray, sizeof (datalink_id_t) * idcount); return (ret); } + +static char * +zone_net_type2name(int type) +{ + switch (type) { + case ZONE_NETWORK_ADDRESS: + return (ZONE_NET_ADDRNAME); + case ZONE_NETWORK_DEFROUTER: + return (ZONE_NET_RTRNAME); + default: + return (NULL); + } +} + +static int +zone_set_network(zoneid_t zoneid, zone_net_data_t *znbuf) +{ + zone_t *zone; + zone_dl_t *zdl; + nvlist_t *nvl; + int err = 0; + uint8_t *new = NULL; + char *nvname; + int bufsize; + datalink_id_t linkid = znbuf->zn_linkid; + + if (secpolicy_zone_config(CRED()) != 0) + return (set_errno(EPERM)); + + if (zoneid == GLOBAL_ZONEID) + return (set_errno(EINVAL)); + + nvname = zone_net_type2name(znbuf->zn_type); + bufsize = znbuf->zn_len; + new = znbuf->zn_val; + if (nvname == NULL) + return (set_errno(EINVAL)); + + if ((zone = zone_find_by_id(zoneid)) == NULL) { + return (set_errno(EINVAL)); + } + + mutex_enter(&zone->zone_lock); + if ((zdl = zone_find_dl(zone, linkid)) == NULL) { + err = ENXIO; + goto done; + } + if ((nvl = zdl->zdl_net) == NULL) { + if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP)) { + err = ENOMEM; + goto done; + } else { + zdl->zdl_net = nvl; + } + } + if (nvlist_exists(nvl, nvname)) { + err = EINVAL; + goto done; + } + err = nvlist_add_uint8_array(nvl, nvname, new, bufsize); + ASSERT(err == 0); +done: + mutex_exit(&zone->zone_lock); + zone_rele(zone); + if (err != 0) + return (set_errno(err)); + else + return (0); +} + +static int +zone_get_network(zoneid_t zoneid, zone_net_data_t *znbuf) +{ + zone_t *zone; + zone_dl_t *zdl; + nvlist_t *nvl; + uint8_t *ptr; + uint_t psize; + int err = 0; + char *nvname; + int bufsize; + void *buf; + datalink_id_t linkid = znbuf->zn_linkid; + + if (zoneid == GLOBAL_ZONEID) + return (set_errno(EINVAL)); + + nvname = zone_net_type2name(znbuf->zn_type); + bufsize = znbuf->zn_len; + buf = znbuf->zn_val; + + if (nvname == NULL) + return (set_errno(EINVAL)); + if ((zone = zone_find_by_id(zoneid)) == NULL) + return (set_errno(EINVAL)); + + mutex_enter(&zone->zone_lock); + if ((zdl = zone_find_dl(zone, linkid)) == NULL) { + err = ENXIO; + goto done; + } + if ((nvl = zdl->zdl_net) == NULL || !nvlist_exists(nvl, nvname)) { + err = ENOENT; + goto done; + } + err = nvlist_lookup_uint8_array(nvl, nvname, &ptr, &psize); + ASSERT(err == 0); + + if (psize > bufsize) { + err = ENOBUFS; + goto done; + } + znbuf->zn_len = psize; + bcopy(ptr, buf, psize); +done: + mutex_exit(&zone->zone_lock); + zone_rele(zone); + if (err != 0) + return (set_errno(err)); + else + return (0); +} |