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bsd: Fix buffer size for routing socket with IPv6 disabled

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AF_INET6 is not always enabled by default, so use AF_INET instead. In
addition, use the old fixed length, 2048, as a failover value if the
sysctl fails for any reason.
This commit is contained in:
Yi Zhu 2011-04-12 23:09:14 +03:00 committed by Jouni Malinen
parent 67b9bd089b
commit d4a747f006
1 changed files with 3 additions and 7 deletions
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10
src/drivers/driver_bsd.c
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@ -575,12 +575,12 @@ rtbuf_len(void)
{ {
size_t len; size_t len;
int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET6, NET_RT_DUMP, 0}; int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0};
if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
wpa_printf(MSG_ERROR, "%s failed: %s\n", __func__, wpa_printf(MSG_WARNING, "%s failed: %s\n", __func__,
strerror(errno)); strerror(errno));
return -1; len = 2048;
} }
return len; return len;
@ -717,8 +717,6 @@ bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
union wpa_event_data data; union wpa_event_data data;
len = rtbuf_len(); len = rtbuf_len();
if (len < 0)
return;
buf = os_malloc(len); buf = os_malloc(len);
if (buf == NULL) { if (buf == NULL) {
@ -1156,8 +1154,6 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
int n, len; int n, len;
len = rtbuf_len(); len = rtbuf_len();
if (len < 0)
return;
buf = os_malloc(len); buf = os_malloc(len);
if (buf == NULL) { if (buf == NULL) {