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IAPP: Set SO_REUSEADDR on listening socket

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Make it possible for several instances of hostapd to listen on the same
network interface.

Signed-off-by: Petko Bordjukov <bordjukov@gmail.com>
This commit is contained in:
Petko Bordjukov 2016-08-08 18:46:28 +03:00 committed by Jouni Malinen
parent 9d5d1c5dd2
commit 72a652d785
1 changed files with 13 additions and 0 deletions
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13
src/ap/iapp.c
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@ -381,6 +381,7 @@ struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface)
struct sockaddr_in *paddr, uaddr; struct sockaddr_in *paddr, uaddr;
struct iapp_data *iapp; struct iapp_data *iapp;
struct ip_mreqn mreq; struct ip_mreqn mreq;
int reuseaddr = 1;
iapp = os_zalloc(sizeof(*iapp)); iapp = os_zalloc(sizeof(*iapp));
if (iapp == NULL) if (iapp == NULL)
@ -443,6 +444,18 @@ struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface)
os_memset(&uaddr, 0, sizeof(uaddr)); os_memset(&uaddr, 0, sizeof(uaddr));
uaddr.sin_family = AF_INET; uaddr.sin_family = AF_INET;
uaddr.sin_port = htons(IAPP_UDP_PORT); uaddr.sin_port = htons(IAPP_UDP_PORT);
if (setsockopt(iapp->udp_sock, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
sizeof(reuseaddr)) < 0) {
wpa_printf(MSG_INFO,
"iapp_init - setsockopt[UDP,SO_REUSEADDR]: %s",
strerror(errno));
/*
* Ignore this and try to continue. This is fine for single
* BSS cases, but may fail if multiple BSSes enable IAPP.
*/
}
if (bind(iapp->udp_sock, (struct sockaddr *) &uaddr, if (bind(iapp->udp_sock, (struct sockaddr *) &uaddr,
sizeof(uaddr)) < 0) { sizeof(uaddr)) < 0) {
wpa_printf(MSG_INFO, "iapp_init - bind[UDP]: %s", wpa_printf(MSG_INFO, "iapp_init - bind[UDP]: %s",