struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd,
struct hostapd_vlan *vlan,
int vlan_id,
struct vlan_description *vlan_desc)
{
struct hostapd_vlan *n;
char ifname[IFNAMSIZ + 1], *pos;
int ret;
if (vlan == NULL || vlan->vlan_id != VLAN_ID_WILDCARD)
return NULL;
wpa_printf(MSG_DEBUG, "VLAN: %s(vlan_id=%d ifname=%s)",
__func__, vlan_id, vlan->ifname);
os_strlcpy(ifname, vlan->ifname, sizeof(ifname));
pos = os_strchr(ifname, '#');
if (pos == NULL)
return NULL;
*pos++ = '\0';
n = os_zalloc(sizeof(*n));
if (n == NULL)
return NULL;
n->vlan_id = vlan_id;
if (vlan_desc)
n->vlan_desc = *vlan_desc;
n->dynamic_vlan = 1;
ret = os_snprintf(n->ifname, sizeof(n->ifname), "%s%d%s",
ifname, vlan_id, pos);
if (os_snprintf_error(sizeof(n->ifname), ret)) {
os_free(n);
return NULL;
}
os_strlcpy(n->bridge, vlan->bridge, sizeof(n->bridge));
n->next = hapd->conf->vlan;
hapd->conf->vlan = n;
/* hapd->conf->vlan needs this new VLAN here for WPA setup */
if (vlan_if_add(hapd, n, 0)) {
hapd->conf->vlan = n->next;
os_free(n);
n = NULL;
}
return n;
}
struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd,
struct hostapd_vlan *vlan,
int vlan_id)
{
struct hostapd_vlan *n = NULL;
char *ifname, *pos;
if (vlan == NULL || vlan_id <= 0 || vlan_id > MAX_VLAN_ID ||
vlan->vlan_id != VLAN_ID_WILDCARD)
return NULL;
wpa_printf(MSG_DEBUG, "VLAN: %s(vlan_id=%d ifname=%s)",
__func__, vlan_id, vlan->ifname);
ifname = os_strdup(vlan->ifname);
if (ifname == NULL)
return NULL;
pos = os_strchr(ifname, '#');
if (pos == NULL)
goto free_ifname;
*pos++ = '\0';
n = os_zalloc(sizeof(*n));
if (n == NULL)
goto free_ifname;
n->vlan_id = vlan_id;
n->dynamic_vlan = 1;
os_snprintf(n->ifname, sizeof(n->ifname), "%s%d%s", ifname, vlan_id,
pos);
n->next = hapd->conf->vlan;
hapd->conf->vlan = n;
/* hapd->conf->vlan needs this new VLAN here for WPA setup */
if (vlan_if_add(hapd, n, 0)) {
hapd->conf->vlan = n->next;
os_free(n);
n = NULL;
goto free_ifname;
}
free_ifname:
os_free(ifname);
return n;
}
static int vlan_dynamic_add(struct hostapd_data *hapd,
struct hostapd_vlan *vlan)
{
while (vlan) {
if (vlan->vlan_id != VLAN_ID_WILDCARD) {
if (vlan_if_add(hapd, vlan, 1)) {
wpa_printf(MSG_ERROR,
"VLAN: Could not add VLAN %s: %s",
vlan->ifname, strerror(errno));
return -1;
}
#ifdef CONFIG_FULL_DYNAMIC_VLAN
vlan_newlink(vlan->ifname, hapd);
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
}
vlan = vlan->next;
}
return 0;
}
