| kern_uuid.c (102263) | kern_uuid.c (108172) |
|---|---|
| 1/* 2 * Copyright (c) 2002 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * --- 9 unchanged lines hidden (view full) --- 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * | 1/* 2 * Copyright (c) 2002 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * --- 9 unchanged lines hidden (view full) --- 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/kern/kern_uuid.c 102263 2002-08-22 12:47:22Z bde $ | 26 * $FreeBSD: head/sys/kern/kern_uuid.c 108172 2002-12-22 05:35:03Z hsu $ |
| 27 */ 28 29#include <sys/param.h> 30#include <sys/endian.h> 31#include <sys/kernel.h> 32#include <sys/lock.h> 33#include <sys/mutex.h> 34#include <sys/sbuf.h> --- 51 unchanged lines hidden (view full) --- 86static void 87uuid_node(uint16_t *node) 88{ 89 struct ifnet *ifp; 90 struct ifaddr *ifa; 91 struct sockaddr_dl *sdl; 92 int i; 93 | 27 */ 28 29#include <sys/param.h> 30#include <sys/endian.h> 31#include <sys/kernel.h> 32#include <sys/lock.h> 33#include <sys/mutex.h> 34#include <sys/sbuf.h> --- 51 unchanged lines hidden (view full) --- 86static void 87uuid_node(uint16_t *node) 88{ 89 struct ifnet *ifp; 90 struct ifaddr *ifa; 91 struct sockaddr_dl *sdl; 92 int i; 93 |
| 94 /* XXX: lock ifnet. */ | 94 IFNET_RLOCK(); |
| 95 TAILQ_FOREACH(ifp, &ifnet, if_link) { 96 /* Walk the address list */ 97 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 98 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 99 if (sdl != NULL && sdl->sdl_family == AF_LINK && 100 sdl->sdl_type == IFT_ETHER) { 101 /* Got a MAC address. */ 102 bcopy(LLADDR(sdl), node, UUID_NODE_LEN); | 95 TAILQ_FOREACH(ifp, &ifnet, if_link) { 96 /* Walk the address list */ 97 TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 98 sdl = (struct sockaddr_dl*)ifa->ifa_addr; 99 if (sdl != NULL && sdl->sdl_family == AF_LINK && 100 sdl->sdl_type == IFT_ETHER) { 101 /* Got a MAC address. */ 102 bcopy(LLADDR(sdl), node, UUID_NODE_LEN); |
| 103 /* XXX: unlock ifnet. */ | 103 IFNET_RUNLOCK(); |
| 104 return; 105 } 106 } 107 } | 104 return; 105 } 106 } 107 } |
| 108 /* XXX: unlock ifnet. */ | 108 IFNET_RUNLOCK(); |
| 109 110 for (i = 0; i < (UUID_NODE_LEN>>1); i++) 111 node[i] = (uint16_t)arc4random(); 112 *((uint8_t*)node) |= 0x80; 113} 114 115/* 116 * Get the current time as a 60 bit count of 100-nanosecond intervals --- 108 unchanged lines hidden --- | 109 110 for (i = 0; i < (UUID_NODE_LEN>>1); i++) 111 node[i] = (uint16_t)arc4random(); 112 *((uint8_t*)node) |= 0x80; 113} 114 115/* 116 * Get the current time as a 60 bit count of 100-nanosecond intervals --- 108 unchanged lines hidden --- |