-
-#ifndef lint
-#endif
-
/*
- * (C) COPYRIGHT IBM CORPORATION 1987
- * LICENSED MATERIALS - PROPERTY OF IBM
+ * Copyright 2000, International Business Machines Corporation and others.
+ * All Rights Reserved.
+ *
+ * This software has been released under the terms of the IBM Public
+ * License. For details, see the LICENSE file in the top-level source
+ * directory or online at http://www.openafs.org/dl/license10.html
*/
-/* getaddr -- get our internet address. July, 1986 */
+#include <afsconfig.h>
#include <afs/param.h>
+
+RCSID
+ ("$Header$");
+
+#ifndef AFS_DJGPP_ENV
#ifndef KERNEL
#ifndef AFS_NT40_ENV
#include <sys/types.h>
#include <net/if.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
+#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+#include <sys/sysctl.h>
+#include <net/route.h>
+#include <net/if_dl.h>
+#endif
+
/*
* By including this, we get any system dependencies. In particular,
* the pthreads for solaris requires the socket call to be mapped.
*/
#include "rx.h"
-#endif
-#else /* KERNEL */
+#include "rx_globals.h"
+#endif /* AFS_NT40_ENV */
+#else /* KERNEL */
#ifdef UKERNEL
-#include "../rx/rx_kcommon.h"
+#include "rx/rx_kcommon.h"
#else /* UKERNEL */
-/* nothing here required yet */
+#include "rx/rx.h"
#endif /* UKERNEL */
-#endif /* KERNEL */
+#endif /* KERNEL */
#define NIFS 512
#ifdef KERNEL
/* only used for generating random noise */
-afs_int32 rxi_tempAddr=0; /* default attempt */
+afs_int32 rxi_tempAddr = 0; /* default attempt */
/* set the advisory noise */
-afs_int32 rxi_setaddr(x)
-afs_int32 x;{
+void
+rxi_setaddr(afs_int32 x)
+{
rxi_tempAddr = x;
}
/* get approx to net addr */
-afs_int32 rxi_getaddr() {
+afs_int32
+rxi_getaddr(void)
+{
return rxi_tempAddr;
}
#ifndef KERNEL
/* to satisfy those who call setaddr */
-rxi_setaddr(x)
-afs_int32 x; {
- return 0;
+void
+rxi_setaddr(afs_int32 x)
+{
}
#endif /* !KERNEL */
/* Return our internet address as a long in network byte order. Returns zero
* if it can't find one.
*/
-afs_int32 rxi_getaddr ()
+afs_int32
+rxi_getaddr(void)
{
- afs_int32 buffer[1024];
- int count;
-
- count = rx_getAllAddr(buffer, 1024);
- if ( count > 0 )
- return buffer[0]; /* returns the first address */
- else
- return count;
+ afs_int32 buffer[1024];
+ int count;
+
+ count = rx_getAllAddr(buffer, 1024);
+ if (count > 0)
+ return buffer[0]; /* returns the first address */
+ else
+ return count;
}
#endif /* !KERNEL */
#undef socket
#endif /* UKERNEL */
+#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+#define ROUNDUP(a) \
+ ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
+#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
+
+static void
+rt_xaddrs(caddr_t cp, caddr_t cplim, struct rt_addrinfo *rtinfo)
+{
+ struct sockaddr *sa;
+ int i;
+
+ memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info));
+ for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
+ if ((rtinfo->rti_addrs & (1 << i)) == 0)
+ continue;
+ rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;
+ ADVANCE(cp, sa);
+ }
+}
+#endif
+
+
/* this function returns the total number of interface addresses
** the buffer has to be passed in by the caller
*/
-int rx_getAllAddr (buffer,maxSize)
-afs_int32 buffer[];
-int maxSize; /* sizeof of buffer in afs_int32 units */
+#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+int
+rx_getAllAddr(afs_int32 buffer[], int maxSize)
{
- int s;
- int i, len, count=0;
- struct ifconf ifc;
- struct ifreq ifs[NIFS], *ifr;
+ size_t needed;
+ int mib[6];
+ struct if_msghdr *ifm, *nextifm;
+ struct ifa_msghdr *ifam;
+ struct sockaddr_dl *sdl;
+ struct rt_addrinfo info;
+ char *buf, *lim, *next;
+ int count = 0, addrcount = 0;
+
+ mib[0] = CTL_NET;
+ mib[1] = PF_ROUTE;
+ mib[2] = 0;
+ mib[3] = AF_INET; /* address family */
+ mib[4] = NET_RT_IFLIST;
+ mib[5] = 0;
+ if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
+ return 0;
+ if ((buf = malloc(needed)) == NULL)
+ return 0;
+ if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
+ free(buf);
+ return 0;
+ }
+ lim = buf + needed;
+ next = buf;
+ while (next < lim) {
+ ifm = (struct if_msghdr *)next;
+ if (ifm->ifm_type != RTM_IFINFO) {
+ dpf(("out of sync parsing NET_RT_IFLIST\n"));
+ free(buf);
+ return 0;
+ }
+ sdl = (struct sockaddr_dl *)(ifm + 1);
+ next += ifm->ifm_msglen;
+ ifam = NULL;
+ addrcount = 0;
+ while (next < lim) {
+ nextifm = (struct if_msghdr *)next;
+ if (nextifm->ifm_type != RTM_NEWADDR)
+ break;
+ if (ifam == NULL)
+ ifam = (struct ifa_msghdr *)nextifm;
+ addrcount++;
+ next += nextifm->ifm_msglen;
+ }
+ if ((ifm->ifm_flags & IFF_UP) == 0)
+ continue; /* not up */
+ if (ifm->ifm_flags & IFF_LOOPBACK) {
+ continue; /* skip aliased loopbacks as well. */
+ }
+ while (addrcount > 0) {
+ struct sockaddr_in *a;
+
+ info.rti_addrs = ifam->ifam_addrs;
+
+ /* Expand the compacted addresses */
+ rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam,
+ &info);
+ if (info.rti_info[RTAX_IFA]->sa_family != AF_INET)
+ continue;
+ a = info.rti_info[RTAX_IFA];
+
+ if (count >= maxSize) /* no more space */
+ dpf(("Too many interfaces..ignoring 0x%x\n",
+ a->sin_addr.s_addr));
+ else
+ buffer[count++] = a->sin_addr.s_addr;
+ addrcount--;
+ ifam = (struct ifa_msghdr *)((char *)ifam + ifam->ifam_msglen);
+ }
+ }
+ free(buf);
+ return count;
+}
+
+int
+rxi_getAllAddrMaskMtu(afs_int32 addrBuffer[], afs_int32 maskBuffer[],
+ afs_int32 mtuBuffer[], int maxSize)
+{
+ int s;
+
+ size_t needed;
+ int mib[6];
+ struct if_msghdr *ifm, *nextifm;
+ struct ifa_msghdr *ifam;
+ struct sockaddr_dl *sdl;
+ struct rt_addrinfo info;
+ char *buf, *lim, *next;
+ int count = 0, addrcount = 0;
+
+ mib[0] = CTL_NET;
+ mib[1] = PF_ROUTE;
+ mib[2] = 0;
+ mib[3] = AF_INET; /* address family */
+ mib[4] = NET_RT_IFLIST;
+ mib[5] = 0;
+ if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
+ return 0;
+ if ((buf = malloc(needed)) == NULL)
+ return 0;
+ if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
+ free(buf);
+ return 0;
+ }
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ return 0;
+ lim = buf + needed;
+ next = buf;
+ while (next < lim) {
+ ifm = (struct if_msghdr *)next;
+ if (ifm->ifm_type != RTM_IFINFO) {
+ dpf(("out of sync parsing NET_RT_IFLIST\n"));
+ free(buf);
+ return 0;
+ }
+ sdl = (struct sockaddr_dl *)(ifm + 1);
+ next += ifm->ifm_msglen;
+ ifam = NULL;
+ addrcount = 0;
+ while (next < lim) {
+ nextifm = (struct if_msghdr *)next;
+ if (nextifm->ifm_type != RTM_NEWADDR)
+ break;
+ if (ifam == NULL)
+ ifam = (struct ifa_msghdr *)nextifm;
+ addrcount++;
+ next += nextifm->ifm_msglen;
+ }
+ if ((ifm->ifm_flags & IFF_UP) == 0)
+ continue; /* not up */
+ while (addrcount > 0) {
+ struct sockaddr_in *a;
+
+ info.rti_addrs = ifam->ifam_addrs;
+
+ /* Expand the compacted addresses */
+ rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam,
+ &info);
+ if (info.rti_info[RTAX_IFA]->sa_family != AF_INET)
+ continue;
+ a = info.rti_info[RTAX_IFA];
+
+ if (a->sin_addr.s_addr != htonl(0x7f000001) ) {
+ if (count >= maxSize) { /* no more space */
+ dpf(("Too many interfaces..ignoring 0x%x\n",
+ a->sin_addr.s_addr));
+ } else {
+ struct ifreq ifr;
+
+ addrBuffer[count] = a->sin_addr.s_addr;
+ a = info.rti_info[RTAX_NETMASK];
+ if (a)
+ maskBuffer[count] = a->sin_addr.s_addr;
+ else
+ maskBuffer[count] = htonl(0xffffffff);
+ memset(&ifr, sizeof(ifr), 0);
+ ifr.ifr_addr.sa_family = AF_INET;
+ strncpy(ifr.ifr_name, sdl->sdl_data, sdl->sdl_nlen);
+ if (ioctl(s, SIOCGIFMTU, (caddr_t) & ifr) < 0)
+ mtuBuffer[count] = htonl(1500);
+ else
+ mtuBuffer[count] = htonl(ifr.ifr_mtu);
+ count++;
+ }
+ }
+ addrcount--;
+ ifam = (struct ifa_msghdr *)((char *)ifam + ifam->ifam_msglen);
+ }
+ }
+ free(buf);
+ return count;
+}
+#else
+static int
+rx_getAllAddr_internal(afs_int32 buffer[], int maxSize, int loopbacks)
+{
+ int s;
+ int i, len, count = 0;
+ struct ifconf ifc;
+ struct ifreq ifs[NIFS], *ifr;
struct sockaddr_in *a;
- char *cp, *cplim; /* used only for AIX 41 */
+#if defined(AFS_AIX41_ENV) || defined (AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+ char *cp, *cplim, *cpnext; /* used only for AIX 41 */
+#endif
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s < 0)
len = ifc.ifc_len / sizeof(struct ifreq);
if (len > NIFS)
len = NIFS;
-#if defined(AFS_AIX41_ENV)
- if ( ifc.ifc_len > sizeof(ifs) ) /* safety check */
- ifc.ifc_len = sizeof(ifs);
- for ( cp = (char *)ifc.ifc_buf,
- cplim= ifc.ifc_buf+ifc.ifc_len;
- cp < cplim;
- cp += sizeof(ifr->ifr_name) + MAX(a->sin_len, sizeof(*a))){
+#if defined(AFS_AIX41_ENV) || defined (AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+ if (ifc.ifc_len > sizeof(ifs)) /* safety check */
+ ifc.ifc_len = sizeof(ifs);
+ for (cp = (char *)ifc.ifc_buf, cplim = ifc.ifc_buf + ifc.ifc_len;
+ cp < cplim;
+#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+ cp += _SIZEOF_ADDR_IFREQ(*ifr)
+#else
+#ifdef AFS_AIX51_ENV
+ cp = cpnext
+#else
+ cp += sizeof(ifr->ifr_name) + MAX(a->sin_len, sizeof(*a))
+#endif
+#endif
+ )
+#else
+ for (i = 0; i < len; ++i)
+#endif
+ {
+#if defined(AFS_AIX41_ENV) || defined (AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
ifr = (struct ifreq *)cp;
#else
- for (i = 0; i < len; ++i) {
ifr = &ifs[i];
#endif
- a = (struct sockaddr_in *) &ifr->ifr_addr;
- if (a->sin_addr.s_addr != 0 && a->sin_family == AF_INET) {
- if ( ioctl(s, SIOCGIFFLAGS, ifr) < 0 ) {
- perror("SIOCGIFFLAGS");
- continue; /* ignore this address */
- }
- if (ifr->ifr_flags & IFF_LOOPBACK) {
- continue; /* skip aliased loopbacks as well. */
+ a = (struct sockaddr_in *)&ifr->ifr_addr;
+#ifdef AFS_AIX51_ENV
+ cpnext = cp + sizeof(ifr->ifr_name) + MAX(a->sin_len, sizeof(*a));
+#endif
+ if (a->sin_family != AF_INET)
+ continue;
+ if (ioctl(s, SIOCGIFFLAGS, ifr) < 0) {
+ perror("SIOCGIFFLAGS");
+ continue; /* ignore this address */
+ }
+ if (a->sin_addr.s_addr != 0) {
+ if (!loopbacks) {
+ if (a->sin_addr.s_addr == htonl(0x7f000001))
+ continue; /* skip loopback address as well. */
+ } else {
+ if (ifr->ifr_flags & IFF_LOOPBACK)
+ continue; /* skip aliased loopbacks as well. */
}
- if ( count >= maxSize ) /* no more space */
- printf("Too many interfaces..ignoring 0x%x\n",
- a->sin_addr.s_addr);
+ if (count >= maxSize) /* no more space */
+ dpf(("Too many interfaces..ignoring 0x%x\n",
+ a->sin_addr.s_addr));
else
buffer[count++] = a->sin_addr.s_addr;
}
return count;
}
+int
+rx_getAllAddr(afs_int32 buffer[], int maxSize)
+{
+ return rx_getAllAddr_internal(buffer, maxSize, 0);
+}
+
/* this function returns the total number of interface addresses
* the buffer has to be passed in by the caller. It also returns
* the interface mask. If AFS_USERSPACE_IP_ADDR is defined, it
* gets the mask which is then passed into the kernel and is used
* by afsi_SetServerIPRank().
*/
-int rxi_getAllAddrMaskMtu (addrBuffer, maskBuffer, mtuBuffer, maxSize)
- afs_int32 addrBuffer[]; /* the network addrs in net byte order */
- afs_int32 maskBuffer[]; /* the subnet masks */
- afs_int32 mtuBuffer[]; /* the MTU sizes */
- int maxSize; /* sizeof of buffer in afs_int32 units */
+int
+rxi_getAllAddrMaskMtu(afs_int32 addrBuffer[], afs_int32 maskBuffer[],
+ afs_int32 mtuBuffer[], int maxSize)
{
- int s;
- int i, len, count=0;
- struct ifconf ifc;
- struct ifreq ifs[NIFS], *ifr, tempIfr;
- struct sockaddr_in *a;
- char *cp, *cplim; /* used only for AIX 41 */
+ int s;
+ int i, len, count = 0;
+ struct ifconf ifc;
+ struct ifreq ifs[NIFS], *ifr;
+ struct sockaddr_in *a;
+#if defined(AFS_AIX41_ENV) || defined(AFS_USR_AIX_ENV)
+ char *cp, *cplim; /* used only for AIX 41 */
+#endif
#if !defined(AFS_USERSPACE_IP_ADDR)
- count = rx_getAllAddr(addrBuffer, 1024);
- for (i=0; i<count; i++) {
- maskBuffer[i] = htonl(0xffffffff);
- mtuBuffer[i] = htonl(1500);
- }
- return count;
-#else /* AFS_USERSPACE_IP_ADDR */
- s = socket(AF_INET, SOCK_DGRAM, 0);
- if (s < 0) return 0;
-
- ifc.ifc_len = sizeof(ifs);
- ifc.ifc_buf = (caddr_t) ifs;
- i = ioctl(s, SIOCGIFCONF, &ifc);
- if (i < 0) {
- close(s);
- return 0;
- }
- len = ifc.ifc_len / sizeof(struct ifreq);
- if (len > NIFS) len = NIFS;
+ count = rx_getAllAddr_internal(addrBuffer, 1024, 1);
+ for (i = 0; i < count; i++) {
+ maskBuffer[i] = htonl(0xffffffff);
+ mtuBuffer[i] = htonl(1500);
+ }
+ return count;
+#else /* AFS_USERSPACE_IP_ADDR */
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ return 0;
+
+ ifc.ifc_len = sizeof(ifs);
+ ifc.ifc_buf = (caddr_t) ifs;
+ i = ioctl(s, SIOCGIFCONF, &ifc);
+ if (i < 0) {
+ close(s);
+ return 0;
+ }
+ len = ifc.ifc_len / sizeof(struct ifreq);
+ if (len > NIFS)
+ len = NIFS;
#if defined(AFS_AIX41_ENV) || defined(AFS_USR_AIX_ENV)
- if ( ifc.ifc_len > sizeof(ifs) ) /* safety check */
- ifc.ifc_len = sizeof(ifs);
- for ( cp = (char *)ifc.ifc_buf,
- cplim= ifc.ifc_buf+ifc.ifc_len;
- cp < cplim;
- cp += sizeof(ifr->ifr_name) + MAX(a->sin_len, sizeof(*a))) {
- ifr = (struct ifreq *)cp;
+ if (ifc.ifc_len > sizeof(ifs)) /* safety check */
+ ifc.ifc_len = sizeof(ifs);
+ for (cp = (char *)ifc.ifc_buf, cplim = ifc.ifc_buf + ifc.ifc_len;
+ cp < cplim;
+ cp += sizeof(ifr->ifr_name) + MAX(a->sin_len, sizeof(*a))) {
+ ifr = (struct ifreq *)cp;
#else
- for (i = 0; i < len; ++i) {
- ifr = &ifs[i];
+ for (i = 0; i < len; ++i) {
+ ifr = &ifs[i];
#endif
- a = (struct sockaddr_in *) &ifr->ifr_addr;
- if (a->sin_addr.s_addr != 0 && a->sin_family == AF_INET) {
+ a = (struct sockaddr_in *)&ifr->ifr_addr;
+ if (a->sin_addr.s_addr != 0 && a->sin_family == AF_INET) {
- if ( ioctl(s, SIOCGIFFLAGS, ifr) < 0 ) {
- perror("SIOCGIFFLAGS");
- continue; /* ignore this address */
- }
- if (ifr->ifr_flags & IFF_LOOPBACK) {
- continue; /* skip aliased loopbacks as well. */
- }
-
- if ( count >= maxSize ) { /* no more space */
- printf("Too many interfaces..ignoring 0x%x\n", a->sin_addr.s_addr);
- continue;
- }
+ if (ioctl(s, SIOCGIFFLAGS, ifr) < 0) {
+ perror("SIOCGIFFLAGS");
+ continue; /* ignore this address */
+ }
+
+ if (a->sin_addr.s_addr == htonl(0x7f000001) )
+ continue; /* skip loopback address as well. */
- addrBuffer[count] = a->sin_addr.s_addr;
+ if (count >= maxSize) { /* no more space */
+ dpf(("Too many interfaces..ignoring 0x%x\n",
+ a->sin_addr.s_addr));
+ continue;
+ }
- if ( ioctl(s, SIOCGIFNETMASK, (caddr_t)ifr) < 0 ) {
- perror("SIOCGIFNETMASK");
- maskBuffer[count] = htonl(0xffffffff);
- } else {
- maskBuffer[count] = (((struct sockaddr_in *)
- (&ifr->ifr_addr))->sin_addr).s_addr;
- }
+ addrBuffer[count] = a->sin_addr.s_addr;
- mtuBuffer[count] = htonl(1500);
+ if (ioctl(s, SIOCGIFNETMASK, (caddr_t) ifr) < 0) {
+ perror("SIOCGIFNETMASK");
+ maskBuffer[count] = htonl(0xffffffff);
+ } else {
+ maskBuffer[count] = (((struct sockaddr_in *)
+ (&ifr->ifr_addr))->sin_addr).s_addr;
+ }
+
+ mtuBuffer[count] = htonl(1500);
#ifdef SIOCGIFMTU
- if ( ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) {
- perror("SIOCGIFMTU");
- } else {
- mtuBuffer[count] = ifr->ifr_metric;
- }
+ if (ioctl(s, SIOCGIFMTU, (caddr_t) ifr) < 0) {
+ perror("SIOCGIFMTU");
+ } else {
+ mtuBuffer[count] = htonl(ifr->ifr_metric);
+ }
#endif /* SIOCGIFMTU */
#ifdef SIOCRIPMTU
- if ( ioctl(s, SIOCRIPMTU, (caddr_t)ifr) < 0) {
- perror("SIOCRIPMTU");
- } else {
- mtuBuffer[count] = ifr->ifr_metric;
- }
+ if (ioctl(s, SIOCRIPMTU, (caddr_t) ifr) < 0) {
+ perror("SIOCRIPMTU");
+ } else {
+ mtuBuffer[count] = htonl(ifr->ifr_metric);
+ }
#endif /* SIOCRIPMTU */
- count++;
- }
- }
- close(s);
- return count;
+ count++;
+ }
+ }
+ close(s);
+ return count;
#endif /* AFS_USERSPACE_IP_ADDR */
}
+#endif
#endif /* ! AFS_NT40_ENV */
#endif /* !KERNEL || UKERNEL */
+
+#endif /* !AFS_DJGPP_ENV */
git://git.openafs.org / openafs.git / blobdiff