6952f08efc
Set MASTER_SITE to SourceForge. Fix build on FreeBSD-14 and remove DEPRECATED status from Makefile.
152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
--- net/if_arp.c.orig 2009-05-13 21:36:04 UTC
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+++ net/if_arp.c
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@@ -35,7 +35,6 @@
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#include "structs/type/array.h"
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#include "net/if_util.h"
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-#include "net/uroute.h"
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#include "util/typed_mem.h"
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#define ROUNDUP(a) \
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@@ -91,7 +90,11 @@ if_get_arp(struct in_addr ip, u_char *ether)
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mib[2] = 0;
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mib[3] = AF_INET;
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mib[4] = NET_RT_FLAGS;
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+#ifdef RTF_LLINFO
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mib[5] = RTF_LLINFO;
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+#else
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+ mib[5] = 0;
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+#endif
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if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
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return (-1);
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needed += 128;
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@@ -194,9 +197,11 @@ tryagain:
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sdl = (struct sockaddr_dl *)(void *)
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(ROUNDUP(sin->sin_len) + (char *)sin);
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if (sin->sin_addr.s_addr == sin_m.sin_addr.s_addr) {
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- if (sdl->sdl_family == AF_LINK
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- && (rtm->rtm_flags & (RTF_LLINFO|RTF_GATEWAY))
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- == RTF_LLINFO) {
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+ if (sdl->sdl_family == AF_LINK &&
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+#ifdef RTF_LLINFO
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+ (rtm->rtm_flags & RTF_LLINFO) != 0 &&
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+#endif
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+ (rtm->rtm_flags & RTF_GATEWAY) == 0) {
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switch (sdl->sdl_type) {
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case IFT_ETHER:
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case IFT_FDDI:
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@@ -245,6 +250,7 @@ arp_delete(int sock, struct in_addr ip)
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struct rt_msghdr *const rtm = &m_rtmsg.m_rtm;
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struct sockaddr_dl *sdl;
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+ sdl_m = zero_sdl;
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sin_m = zero_sin;
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sin->sin_addr = ip;
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tryagain:
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@@ -253,14 +259,15 @@ tryagain:
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sin = (struct sockaddr_inarp *)(rtm + 1);
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sdl = (struct sockaddr_dl *)(void *)
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(ROUNDUP(sin->sin_len) + (char *)sin);
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- if (sin->sin_addr.s_addr == sin_m.sin_addr.s_addr) {
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- if (sdl->sdl_family == AF_LINK &&
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- (rtm->rtm_flags & RTF_LLINFO) &&
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- !(rtm->rtm_flags & RTF_GATEWAY)) switch (sdl->sdl_type) {
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+ if (sdl->sdl_family == AF_LINK &&
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+#ifdef RTF_LLINFO
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+ (rtm->rtm_flags & RTF_LLINFO) &&
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+#endif
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+ !(rtm->rtm_flags & RTF_GATEWAY)) switch (sdl->sdl_type) {
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case IFT_ETHER: case IFT_FDDI: case IFT_ISO88023:
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case IFT_ISO88024: case IFT_ISO88025:
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+ sin->sin_addr.s_addr = sin_m.sin_addr.s_addr;
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goto delete;
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- }
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}
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if (sin_m.sin_other & SIN_PROXY) {
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errno = ENOENT;
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@@ -351,42 +358,55 @@ int
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if_flush_arp(void)
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{
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int errno_save = errno;
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- struct uroute **list;
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- int rtn = 0;
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- int num;
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- int i;
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+ int mib[6];
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+ size_t needed;
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+ char *lim, *buf, *next;
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+ struct rt_msghdr *rtm;
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+ struct sockaddr_inarp *sin;
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+ struct sockaddr_dl *sdl;
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+ int sock, rtn = -1;
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- /* Get list of routes */
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- if ((num = uroute_get_all(&list, TYPED_MEM_TEMP)) == -1)
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+ /* Get socket */
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+ if ((sock = socket(PF_ROUTE, SOCK_RAW, 0)) == -1)
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return (-1);
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- /* Delete ARP routes */
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- for (i = 0; i < num; i++) {
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- struct uroute *const route = list[i];
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- const struct sockaddr *dest;
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- const struct sockaddr *gw;
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+ /* Get ARP table */
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+ mib[0] = CTL_NET;
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+ mib[1] = PF_ROUTE;
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+ mib[2] = 0;
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+ mib[3] = AF_INET;
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+ mib[4] = NET_RT_FLAGS;
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+#ifdef RTF_LLINFO
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+ mib[5] = RTF_LLINFO;
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+#else
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+ mib[5] = 0;
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+#endif
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+ if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
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+ goto done;
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+ needed += 128;
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+ if ((buf = MALLOC(TYPED_MEM_TEMP, needed)) == NULL)
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+ goto done;
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+ if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
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+ goto done2;
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+ }
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- /* Is this an ARP entry? */
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- dest = uroute_get_dest(route);
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- gw = uroute_get_gateway(route);
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- if ((uroute_get_flags(route)
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- & (RTF_HOST|RTF_LLINFO|RTF_WASCLONED))
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- != (RTF_HOST|RTF_LLINFO|RTF_WASCLONED)
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- || dest->sa_family != AF_INET
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- || gw->sa_family != AF_LINK)
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- continue;
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-
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- /* Delete it */
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- if (uroute_delete(route) == -1) {
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- errno_save = errno;
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- rtn = -1;
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- }
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+ /* Find desired entry */
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+ lim = buf + needed;
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+ for (next = buf; next < lim; next += rtm->rtm_msglen) {
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+ rtm = (struct rt_msghdr *)(void *)next;
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+ sin = (struct sockaddr_inarp *)(rtm + 1);
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+ sdl = (struct sockaddr_dl *)(void *)
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+ ((char *)sin + ROUNDUP(sin->sin_len));
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+ if (sdl->sdl_alen == 0)
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+ break;
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+ arp_delete(sock, sin->sin_addr);
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}
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- /* Clean up */
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- while (num > 0)
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- uroute_destroy(&list[--num]);
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- FREE(TYPED_MEM_TEMP, list);
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+ rtn = 0;
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+done2:
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+ FREE(TYPED_MEM_TEMP, buf);
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+done:
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+ (void)close(sock);
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errno = errno_save;
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return (rtn);
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}
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