Cumulative patch from commit f89c32e63f71e66d7b55e284016762b603ae02db
f89c32e Android: Fix max number of sched scan SSIDs based on driver capability
f1a5a34 binder: Implement interface add/remove methods
7b4bbb9 binder: Add binder skeletal code for Android
5914ebf Remove struct ieee80211_mgmt::u.probe_req
094e949 atheros: Do not use struct ieee80211_mgmt::u.probe_req
c01120a wpa_supplicant: Do not use struct ieee80211_mgmt::u.probe_req
e1b9962 AP: Do not use struct ieee80211_mgmt::u.probe_req
5cd317d Do not clear PMKSA entry or EAP session cache if config does not change
f933216 Revert "Assign QCA vendor command and attribute for Tx/Rx aggregation"
bde9a4e Comment out UDP/UNIX socket code from common ctrl_iface based on build
a6fbff2 Fix CONFIG_CTRL_IFACE=udp6/udp6-remote builds
0741c48 SAE: Check SHA256-PRF operation result
ea86a34 SAE: Remove dead code in FFC pwd-value derivation
87faf1f nl80211: Fix libnl-tiny build with CONFIG_LIBNL20=y
31afdd2 Use TIOCOUTQ instead of SIOCOUTQ to avoid need for linux/sockios.h
6d07e76 wlantest: Use local ETH_P_IP define instead of linux/if_ether.h
795abc8 Drop USE_KERNEL_HEADERS define
9b7cd57 Use a separate header file for Linux bridge interface definitions
c815fab Use own header file for defining Linux VLAN kernel interface
81606ab vlan: Fix musl libc conflict with Linux kernel headers
f347429 P2P: Fix persistent group for 60 GHz networks
e868599 vlan: Move if_nametoindex() use out of vlan_init.c
7c03c08 vlan: Move ifconfig helpers to a separate file
59d6390 vlan: Move CONFIG_FULL_DYNAMIC_VLAN functionality into a separate file
0fe28dd vlan: Remove unnecessary header includes from netlink implementation
84d6755 vlan: Clean up netlink vs. ioctl API implementation
cb38bc8 vlan: Fix musl build error
954e10e Make it a bit easier to roam from 2.4 GHz to 5 GHz within ESS
585141b Fix a typo in a comment
1126c07 nl80211: Ignore deauth/disassoc event during Connect reassociation
6a5ee81 Include previous BSSID in connection request to indicate reassociation
00c3c4a nl80211: Add NL80211_ATTR_PREV_BSSID with Connect command
cbc3d6f WNM: Verify BSS TM target match against the current network profile
8854f90 mesh: Simplify wpa_auth_pmksa_set_to_sm()
32d4fe9 privsep: Fix a compiler warning on unsigned/signed comparison
2e997ee Add interface matching support with -M, guarded by CONFIG_MATCH_IFACE
45e3fc7 Find correct driver for interface additions/removals
9037702 wpa_supplicant: Fix CONFIG_IBSS_RSN=y build without CONFIG_AP=y
5ae65de wpa_supplicant: Fix p2p_group_add when UDP-based ctrl_iface is used
24bce46 FST: Fix a compiler warning
e567c58 Fix nfc_pw_token build with CONFIG_FST=y
d774c46 mesh: Use appropriate BLOCKED state duration
9f2cf23 mesh: Add support for PMKSA caching
4c522c7 PMKSA: Flush AP/mesh PMKSA cache by PMKSA_FLUSH command
b8daac1 PMKSA: Show AP/mesh PMKSA list in PMKSA command
2604edb mesh: Add MESH_PEER_ADD command
e174ef3 mesh: Add MESH_PEER_REMOVE command
f7648c8 P2P: Advertise IP Address Allocation only if it is enabled on GO
7f46ad9 BSD: Only down the interface once we are sure we can work with it
192964d Handle OSEN IE in Assoc Request info if req_ies exists
29eddc3 nl80211: Fix error path in if_indices_reason reallocation
ee298f1 nl80211: Do not add NL80211_ATTR_SMPS_MODE attribute if HT is disabled
4ca16b5 Assign QCA vendor command and attribute for Tx/Rx aggregation
64ce590 libxml2: Check for xmlDocDumpFormatMemory() error case
8b827c3 BoringSSL: Keep static analyzers happier with X509_get0_pubkey_bitstr()
42a9553 hs20-osu-client: Fix pol_upd command line parsing
ec1eae8 hs20-osu-client: Remove dead code from sub_rem command line parsing
c3dc68e Do not invalidate EAP session cache on all network block parameter changes
9231c24 wlantest: Fix bip_protect() memory allocation
c6c29be Interworking: Add credential realm to EAP-TLS identity
Change-Id: I870f325171d00fed9c4fcd82a695fe5e2efee792
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/vlan_init.c b/src/ap/vlan_init.c
index 45d1a1c..31e4fc6 100644
--- a/src/ap/vlan_init.c
+++ b/src/ap/vlan_init.c
@@ -18,158 +18,6 @@
#include "vlan_init.h"
#include "vlan_util.h"
-#include <net/if.h>
-#include <sys/ioctl.h>
-#ifdef CONFIG_FULL_DYNAMIC_VLAN
-#include <linux/sockios.h>
-#include <linux/if_vlan.h>
-#include <linux/if_bridge.h>
-#endif /* CONFIG_FULL_DYNAMIC_VLAN */
-
-
-#ifdef CONFIG_FULL_DYNAMIC_VLAN
-
-#include "drivers/priv_netlink.h"
-#include "utils/eloop.h"
-
-
-struct full_dynamic_vlan {
- int s; /* socket on which to listen for new/removed interfaces. */
-};
-
-#define DVLAN_CLEAN_BR 0x1
-#define DVLAN_CLEAN_VLAN 0x2
-#define DVLAN_CLEAN_VLAN_PORT 0x4
-
-struct dynamic_iface {
- char ifname[IFNAMSIZ + 1];
- int usage;
- int clean;
- struct dynamic_iface *next;
-};
-
-
-/* Increment ref counter for ifname and add clean flag.
- * If not in list, add it only if some flags are given.
- */
-static void dyn_iface_get(struct hostapd_data *hapd, const char *ifname,
- int clean)
-{
- struct dynamic_iface *next, **dynamic_ifaces;
- struct hapd_interfaces *interfaces;
-
- interfaces = hapd->iface->interfaces;
- dynamic_ifaces = &interfaces->vlan_priv;
-
- for (next = *dynamic_ifaces; next; next = next->next) {
- if (os_strcmp(ifname, next->ifname) == 0)
- break;
- }
-
- if (next) {
- next->usage++;
- next->clean |= clean;
- return;
- }
-
- if (!clean)
- return;
-
- next = os_zalloc(sizeof(*next));
- if (!next)
- return;
- os_strlcpy(next->ifname, ifname, sizeof(next->ifname));
- next->usage = 1;
- next->clean = clean;
- next->next = *dynamic_ifaces;
- *dynamic_ifaces = next;
-}
-
-
-/* Decrement reference counter for given ifname.
- * Return clean flag iff reference counter was decreased to zero, else zero
- */
-static int dyn_iface_put(struct hostapd_data *hapd, const char *ifname)
-{
- struct dynamic_iface *next, *prev = NULL, **dynamic_ifaces;
- struct hapd_interfaces *interfaces;
- int clean;
-
- interfaces = hapd->iface->interfaces;
- dynamic_ifaces = &interfaces->vlan_priv;
-
- for (next = *dynamic_ifaces; next; next = next->next) {
- if (os_strcmp(ifname, next->ifname) == 0)
- break;
- prev = next;
- }
-
- if (!next)
- return 0;
-
- next->usage--;
- if (next->usage)
- return 0;
-
- if (prev)
- prev->next = next->next;
- else
- *dynamic_ifaces = next->next;
- clean = next->clean;
- os_free(next);
-
- return clean;
-}
-
-#endif /* CONFIG_FULL_DYNAMIC_VLAN */
-
-
-static int ifconfig_helper(const char *if_name, int up)
-{
- int fd;
- struct ifreq ifr;
-
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
-
- if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
- "for interface %s: %s",
- __func__, if_name, strerror(errno));
- close(fd);
- return -1;
- }
-
- if (up)
- ifr.ifr_flags |= IFF_UP;
- else
- ifr.ifr_flags &= ~IFF_UP;
-
- if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
- "for interface %s (up=%d): %s",
- __func__, if_name, up, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-
-static int ifconfig_up(const char *if_name)
-{
- wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
- return ifconfig_helper(if_name, 1);
-}
-
static int vlan_if_add(struct hostapd_data *hapd, struct hostapd_vlan *vlan,
int existsok)
@@ -185,7 +33,7 @@
return -1;
}
- if (!if_nametoindex(vlan->ifname))
+ if (!iface_exists(vlan->ifname))
ret = hostapd_vlan_if_add(hapd, vlan->ifname);
else if (!existsok)
return -1;
@@ -216,7 +64,7 @@
}
-static int vlan_if_remove(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
+int vlan_if_remove(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
{
int ret;
@@ -230,798 +78,6 @@
}
-#ifdef CONFIG_FULL_DYNAMIC_VLAN
-
-static int ifconfig_down(const char *if_name)
-{
- wpa_printf(MSG_DEBUG, "VLAN: Set interface %s down", if_name);
- return ifconfig_helper(if_name, 0);
-}
-
-
-/*
- * These are only available in recent linux headers (without the leading
- * underscore).
- */
-#define _GET_VLAN_REALDEV_NAME_CMD 8
-#define _GET_VLAN_VID_CMD 9
-
-/* This value should be 256 ONLY. If it is something else, then hostapd
- * might crash!, as this value has been hard-coded in 2.4.x kernel
- * bridging code.
- */
-#define MAX_BR_PORTS 256
-
-static int br_delif(const char *br_name, const char *if_name)
-{
- int fd;
- struct ifreq ifr;
- unsigned long args[2];
- int if_index;
-
- wpa_printf(MSG_DEBUG, "VLAN: br_delif(%s, %s)", br_name, if_name);
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- if_index = if_nametoindex(if_name);
-
- if (if_index == 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
- "interface index for '%s'",
- __func__, if_name);
- close(fd);
- return -1;
- }
-
- args[0] = BRCTL_DEL_IF;
- args[1] = if_index;
-
- os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
- ifr.ifr_data = (__caddr_t) args;
-
- if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0 && errno != EINVAL) {
- /* No error if interface already removed. */
- wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
- "BRCTL_DEL_IF] failed for br_name=%s if_name=%s: "
- "%s", __func__, br_name, if_name, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-
-/*
- Add interface 'if_name' to the bridge 'br_name'
-
- returns -1 on error
- returns 1 if the interface is already part of the bridge
- returns 0 otherwise
-*/
-static int br_addif(const char *br_name, const char *if_name)
-{
- int fd;
- struct ifreq ifr;
- unsigned long args[2];
- int if_index;
-
- wpa_printf(MSG_DEBUG, "VLAN: br_addif(%s, %s)", br_name, if_name);
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- if_index = if_nametoindex(if_name);
-
- if (if_index == 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: Failure determining "
- "interface index for '%s'",
- __func__, if_name);
- close(fd);
- return -1;
- }
-
- args[0] = BRCTL_ADD_IF;
- args[1] = if_index;
-
- os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
- ifr.ifr_data = (__caddr_t) args;
-
- if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
- if (errno == EBUSY) {
- /* The interface is already added. */
- close(fd);
- return 1;
- }
-
- wpa_printf(MSG_ERROR, "VLAN: %s: ioctl[SIOCDEVPRIVATE,"
- "BRCTL_ADD_IF] failed for br_name=%s if_name=%s: "
- "%s", __func__, br_name, if_name, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-
-static int br_delbr(const char *br_name)
-{
- int fd;
- unsigned long arg[2];
-
- wpa_printf(MSG_DEBUG, "VLAN: br_delbr(%s)", br_name);
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- arg[0] = BRCTL_DEL_BRIDGE;
- arg[1] = (unsigned long) br_name;
-
- if (ioctl(fd, SIOCGIFBR, arg) < 0 && errno != ENXIO) {
- /* No error if bridge already removed. */
- wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_DEL_BRIDGE failed for "
- "%s: %s", __func__, br_name, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-
-/*
- Add a bridge with the name 'br_name'.
-
- returns -1 on error
- returns 1 if the bridge already exists
- returns 0 otherwise
-*/
-static int br_addbr(const char *br_name)
-{
- int fd;
- unsigned long arg[4];
- struct ifreq ifr;
-
- wpa_printf(MSG_DEBUG, "VLAN: br_addbr(%s)", br_name);
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- arg[0] = BRCTL_ADD_BRIDGE;
- arg[1] = (unsigned long) br_name;
-
- if (ioctl(fd, SIOCGIFBR, arg) < 0) {
- if (errno == EEXIST) {
- /* The bridge is already added. */
- close(fd);
- return 1;
- } else {
- wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_ADD_BRIDGE "
- "failed for %s: %s",
- __func__, br_name, strerror(errno));
- close(fd);
- return -1;
- }
- }
-
- /* Decrease forwarding delay to avoid EAPOL timeouts. */
- os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, br_name, IFNAMSIZ);
- arg[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY;
- arg[1] = 1;
- arg[2] = 0;
- arg[3] = 0;
- ifr.ifr_data = (char *) &arg;
- if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: "
- "BRCTL_SET_BRIDGE_FORWARD_DELAY (1 sec) failed for "
- "%s: %s", __func__, br_name, strerror(errno));
- /* Continue anyway */
- }
-
- close(fd);
- return 0;
-}
-
-
-static int br_getnumports(const char *br_name)
-{
- int fd;
- int i;
- int port_cnt = 0;
- unsigned long arg[4];
- int ifindices[MAX_BR_PORTS];
- struct ifreq ifr;
-
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- arg[0] = BRCTL_GET_PORT_LIST;
- arg[1] = (unsigned long) ifindices;
- arg[2] = MAX_BR_PORTS;
- arg[3] = 0;
-
- os_memset(ifindices, 0, sizeof(ifindices));
- os_strlcpy(ifr.ifr_name, br_name, sizeof(ifr.ifr_name));
- ifr.ifr_data = (__caddr_t) arg;
-
- if (ioctl(fd, SIOCDEVPRIVATE, &ifr) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: BRCTL_GET_PORT_LIST "
- "failed for %s: %s",
- __func__, br_name, strerror(errno));
- close(fd);
- return -1;
- }
-
- for (i = 1; i < MAX_BR_PORTS; i++) {
- if (ifindices[i] > 0) {
- port_cnt++;
- }
- }
-
- close(fd);
- return port_cnt;
-}
-
-
-#ifndef CONFIG_VLAN_NETLINK
-
-int vlan_rem(const char *if_name)
-{
- int fd;
- struct vlan_ioctl_args if_request;
-
- wpa_printf(MSG_DEBUG, "VLAN: vlan_rem(%s)", if_name);
- if ((os_strlen(if_name) + 1) > sizeof(if_request.device1)) {
- wpa_printf(MSG_ERROR, "VLAN: Interface name too long: '%s'",
- if_name);
- return -1;
- }
-
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- os_memset(&if_request, 0, sizeof(if_request));
-
- os_strlcpy(if_request.device1, if_name, sizeof(if_request.device1));
- if_request.cmd = DEL_VLAN_CMD;
-
- if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: DEL_VLAN_CMD failed for %s: "
- "%s", __func__, if_name, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-
-/*
- Add a vlan interface with VLAN ID 'vid' and tagged interface
- 'if_name'.
-
- returns -1 on error
- returns 1 if the interface already exists
- returns 0 otherwise
-*/
-int vlan_add(const char *if_name, int vid, const char *vlan_if_name)
-{
- int fd;
- struct vlan_ioctl_args if_request;
-
- wpa_printf(MSG_DEBUG, "VLAN: vlan_add(if_name=%s, vid=%d)",
- if_name, vid);
- ifconfig_up(if_name);
-
- if ((os_strlen(if_name) + 1) > sizeof(if_request.device1)) {
- wpa_printf(MSG_ERROR, "VLAN: Interface name too long: '%s'",
- if_name);
- return -1;
- }
-
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- os_memset(&if_request, 0, sizeof(if_request));
-
- /* Determine if a suitable vlan device already exists. */
-
- os_snprintf(if_request.device1, sizeof(if_request.device1), "vlan%d",
- vid);
-
- if_request.cmd = _GET_VLAN_VID_CMD;
-
- if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0) {
-
- if (if_request.u.VID == vid) {
- if_request.cmd = _GET_VLAN_REALDEV_NAME_CMD;
-
- if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 &&
- os_strncmp(if_request.u.device2, if_name,
- sizeof(if_request.u.device2)) == 0) {
- close(fd);
- wpa_printf(MSG_DEBUG, "VLAN: vlan_add: "
- "if_name %s exists already",
- if_request.device1);
- return 1;
- }
- }
- }
-
- /* A suitable vlan device does not already exist, add one. */
-
- os_memset(&if_request, 0, sizeof(if_request));
- os_strlcpy(if_request.device1, if_name, sizeof(if_request.device1));
- if_request.u.VID = vid;
- if_request.cmd = ADD_VLAN_CMD;
-
- if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: ADD_VLAN_CMD failed for %s: "
- "%s",
- __func__, if_request.device1, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-
-static int vlan_set_name_type(unsigned int name_type)
-{
- int fd;
- struct vlan_ioctl_args if_request;
-
- wpa_printf(MSG_DEBUG, "VLAN: vlan_set_name_type(name_type=%u)",
- name_type);
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
- "failed: %s", __func__, strerror(errno));
- return -1;
- }
-
- os_memset(&if_request, 0, sizeof(if_request));
-
- if_request.u.name_type = name_type;
- if_request.cmd = SET_VLAN_NAME_TYPE_CMD;
- if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: SET_VLAN_NAME_TYPE_CMD "
- "name_type=%u failed: %s",
- __func__, name_type, strerror(errno));
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-#endif /* CONFIG_VLAN_NETLINK */
-
-
-static void vlan_newlink_tagged(int vlan_naming, const char *tagged_interface,
- const char *br_name, int vid,
- struct hostapd_data *hapd)
-{
- char vlan_ifname[IFNAMSIZ];
- int clean;
-
- if (vlan_naming == DYNAMIC_VLAN_NAMING_WITH_DEVICE)
- os_snprintf(vlan_ifname, sizeof(vlan_ifname), "%s.%d",
- tagged_interface, vid);
- else
- os_snprintf(vlan_ifname, sizeof(vlan_ifname), "vlan%d", vid);
-
- clean = 0;
- ifconfig_up(tagged_interface);
- if (!vlan_add(tagged_interface, vid, vlan_ifname))
- clean |= DVLAN_CLEAN_VLAN;
-
- if (!br_addif(br_name, vlan_ifname))
- clean |= DVLAN_CLEAN_VLAN_PORT;
-
- dyn_iface_get(hapd, vlan_ifname, clean);
-
- ifconfig_up(vlan_ifname);
-}
-
-
-static void vlan_bridge_name(char *br_name, struct hostapd_data *hapd, int vid)
-{
- char *tagged_interface = hapd->conf->ssid.vlan_tagged_interface;
-
- if (hapd->conf->vlan_bridge[0]) {
- os_snprintf(br_name, IFNAMSIZ, "%s%d",
- hapd->conf->vlan_bridge, vid);
- } else if (tagged_interface) {
- os_snprintf(br_name, IFNAMSIZ, "br%s.%d",
- tagged_interface, vid);
- } else {
- os_snprintf(br_name, IFNAMSIZ, "brvlan%d", vid);
- }
-}
-
-
-static void vlan_get_bridge(const char *br_name, struct hostapd_data *hapd,
- int vid)
-{
- char *tagged_interface = hapd->conf->ssid.vlan_tagged_interface;
- int vlan_naming = hapd->conf->ssid.vlan_naming;
-
- dyn_iface_get(hapd, br_name, br_addbr(br_name) ? 0 : DVLAN_CLEAN_BR);
-
- ifconfig_up(br_name);
-
- if (tagged_interface)
- vlan_newlink_tagged(vlan_naming, tagged_interface, br_name,
- vid, hapd);
-}
-
-
-static void vlan_newlink(const char *ifname, struct hostapd_data *hapd)
-{
- char br_name[IFNAMSIZ];
- struct hostapd_vlan *vlan;
- int untagged, *tagged, i, notempty;
-
- wpa_printf(MSG_DEBUG, "VLAN: vlan_newlink(%s)", ifname);
-
- for (vlan = hapd->conf->vlan; vlan; vlan = vlan->next) {
- if (vlan->configured ||
- os_strcmp(ifname, vlan->ifname) != 0)
- continue;
- break;
- }
- if (!vlan)
- return;
-
- vlan->configured = 1;
-
- notempty = vlan->vlan_desc.notempty;
- untagged = vlan->vlan_desc.untagged;
- tagged = vlan->vlan_desc.tagged;
-
- if (!notempty) {
- /* Non-VLAN STA */
- if (hapd->conf->bridge[0] &&
- !br_addif(hapd->conf->bridge, ifname))
- vlan->clean |= DVLAN_CLEAN_WLAN_PORT;
- } else if (untagged > 0 && untagged <= MAX_VLAN_ID) {
- vlan_bridge_name(br_name, hapd, untagged);
-
- vlan_get_bridge(br_name, hapd, untagged);
-
- if (!br_addif(br_name, ifname))
- vlan->clean |= DVLAN_CLEAN_WLAN_PORT;
- }
-
- for (i = 0; i < MAX_NUM_TAGGED_VLAN && tagged[i]; i++) {
- if (tagged[i] == untagged ||
- tagged[i] <= 0 || tagged[i] > MAX_VLAN_ID ||
- (i > 0 && tagged[i] == tagged[i - 1]))
- continue;
- vlan_bridge_name(br_name, hapd, tagged[i]);
- vlan_get_bridge(br_name, hapd, tagged[i]);
- vlan_newlink_tagged(DYNAMIC_VLAN_NAMING_WITH_DEVICE,
- ifname, br_name, tagged[i], hapd);
- }
-
- ifconfig_up(ifname);
-}
-
-
-static void vlan_dellink_tagged(int vlan_naming, const char *tagged_interface,
- const char *br_name, int vid,
- struct hostapd_data *hapd)
-{
- char vlan_ifname[IFNAMSIZ];
- int clean;
-
- if (vlan_naming == DYNAMIC_VLAN_NAMING_WITH_DEVICE)
- os_snprintf(vlan_ifname, sizeof(vlan_ifname), "%s.%d",
- tagged_interface, vid);
- else
- os_snprintf(vlan_ifname, sizeof(vlan_ifname), "vlan%d", vid);
-
- clean = dyn_iface_put(hapd, vlan_ifname);
-
- if (clean & DVLAN_CLEAN_VLAN_PORT)
- br_delif(br_name, vlan_ifname);
-
- if (clean & DVLAN_CLEAN_VLAN) {
- ifconfig_down(vlan_ifname);
- vlan_rem(vlan_ifname);
- }
-}
-
-
-static void vlan_put_bridge(const char *br_name, struct hostapd_data *hapd,
- int vid)
-{
- int clean;
- char *tagged_interface = hapd->conf->ssid.vlan_tagged_interface;
- int vlan_naming = hapd->conf->ssid.vlan_naming;
-
- if (tagged_interface)
- vlan_dellink_tagged(vlan_naming, tagged_interface, br_name,
- vid, hapd);
-
- clean = dyn_iface_put(hapd, br_name);
- if ((clean & DVLAN_CLEAN_BR) && br_getnumports(br_name) == 0) {
- ifconfig_down(br_name);
- br_delbr(br_name);
- }
-}
-
-
-static void vlan_dellink(const char *ifname, struct hostapd_data *hapd)
-{
- struct hostapd_vlan *first, *prev, *vlan = hapd->conf->vlan;
-
- wpa_printf(MSG_DEBUG, "VLAN: vlan_dellink(%s)", ifname);
-
- first = prev = vlan;
-
- while (vlan) {
- if (os_strcmp(ifname, vlan->ifname) != 0) {
- prev = vlan;
- vlan = vlan->next;
- continue;
- }
- break;
- }
- if (!vlan)
- return;
-
- if (vlan->configured) {
- int notempty = vlan->vlan_desc.notempty;
- int untagged = vlan->vlan_desc.untagged;
- int *tagged = vlan->vlan_desc.tagged;
- char br_name[IFNAMSIZ];
- int i;
-
- for (i = 0; i < MAX_NUM_TAGGED_VLAN && tagged[i]; i++) {
- if (tagged[i] == untagged ||
- tagged[i] <= 0 || tagged[i] > MAX_VLAN_ID ||
- (i > 0 && tagged[i] == tagged[i - 1]))
- continue;
- vlan_bridge_name(br_name, hapd, tagged[i]);
- vlan_dellink_tagged(DYNAMIC_VLAN_NAMING_WITH_DEVICE,
- ifname, br_name, tagged[i], hapd);
- vlan_put_bridge(br_name, hapd, tagged[i]);
- }
-
- if (!notempty) {
- /* Non-VLAN STA */
- if (hapd->conf->bridge[0] &&
- (vlan->clean & DVLAN_CLEAN_WLAN_PORT))
- br_delif(hapd->conf->bridge, ifname);
- } else if (untagged > 0 && untagged <= MAX_VLAN_ID) {
- vlan_bridge_name(br_name, hapd, untagged);
-
- if (vlan->clean & DVLAN_CLEAN_WLAN_PORT)
- br_delif(br_name, vlan->ifname);
-
- vlan_put_bridge(br_name, hapd, untagged);
- }
- }
-
- /*
- * Ensure this VLAN interface is actually removed even if
- * NEWLINK message is only received later.
- */
- if (if_nametoindex(vlan->ifname) && vlan_if_remove(hapd, vlan))
- wpa_printf(MSG_ERROR,
- "VLAN: Could not remove VLAN iface: %s: %s",
- vlan->ifname, strerror(errno));
-
- if (vlan == first)
- hapd->conf->vlan = vlan->next;
- else
- prev->next = vlan->next;
-
- os_free(vlan);
-}
-
-
-static void
-vlan_read_ifnames(struct nlmsghdr *h, size_t len, int del,
- struct hostapd_data *hapd)
-{
- struct ifinfomsg *ifi;
- int attrlen, nlmsg_len, rta_len;
- struct rtattr *attr;
- char ifname[IFNAMSIZ + 1];
-
- if (len < sizeof(*ifi))
- return;
-
- ifi = NLMSG_DATA(h);
-
- nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
-
- attrlen = h->nlmsg_len - nlmsg_len;
- if (attrlen < 0)
- return;
-
- attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
-
- os_memset(ifname, 0, sizeof(ifname));
- rta_len = RTA_ALIGN(sizeof(struct rtattr));
- while (RTA_OK(attr, attrlen)) {
- if (attr->rta_type == IFLA_IFNAME) {
- int n = attr->rta_len - rta_len;
- if (n < 0)
- break;
-
- if ((size_t) n >= sizeof(ifname))
- n = sizeof(ifname) - 1;
- os_memcpy(ifname, ((char *) attr) + rta_len, n);
-
- }
-
- attr = RTA_NEXT(attr, attrlen);
- }
-
- if (!ifname[0])
- return;
- if (del && if_nametoindex(ifname)) {
- /* interface still exists, race condition ->
- * iface has just been recreated */
- return;
- }
-
- wpa_printf(MSG_DEBUG,
- "VLAN: RTM_%sLINK: ifi_index=%d ifname=%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
- del ? "DEL" : "NEW",
- ifi->ifi_index, ifname, ifi->ifi_family, ifi->ifi_flags,
- (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
- (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
- (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
- (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
-
- if (del)
- vlan_dellink(ifname, hapd);
- else
- vlan_newlink(ifname, hapd);
-}
-
-
-static void vlan_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
-{
- char buf[8192];
- int left;
- struct sockaddr_nl from;
- socklen_t fromlen;
- struct nlmsghdr *h;
- struct hostapd_data *hapd = eloop_ctx;
-
- fromlen = sizeof(from);
- left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
- (struct sockaddr *) &from, &fromlen);
- if (left < 0) {
- if (errno != EINTR && errno != EAGAIN)
- wpa_printf(MSG_ERROR, "VLAN: %s: recvfrom failed: %s",
- __func__, strerror(errno));
- return;
- }
-
- h = (struct nlmsghdr *) buf;
- while (NLMSG_OK(h, left)) {
- int len, plen;
-
- len = h->nlmsg_len;
- plen = len - sizeof(*h);
- if (len > left || plen < 0) {
- wpa_printf(MSG_DEBUG, "VLAN: Malformed netlink "
- "message: len=%d left=%d plen=%d",
- len, left, plen);
- break;
- }
-
- switch (h->nlmsg_type) {
- case RTM_NEWLINK:
- vlan_read_ifnames(h, plen, 0, hapd);
- break;
- case RTM_DELLINK:
- vlan_read_ifnames(h, plen, 1, hapd);
- break;
- }
-
- h = NLMSG_NEXT(h, left);
- }
-
- if (left > 0) {
- wpa_printf(MSG_DEBUG, "VLAN: %s: %d extra bytes in the end of "
- "netlink message", __func__, left);
- }
-}
-
-
-static struct full_dynamic_vlan *
-full_dynamic_vlan_init(struct hostapd_data *hapd)
-{
- struct sockaddr_nl local;
- struct full_dynamic_vlan *priv;
-
- priv = os_zalloc(sizeof(*priv));
- if (priv == NULL)
- return NULL;
-
-#ifndef CONFIG_VLAN_NETLINK
- vlan_set_name_type(hapd->conf->ssid.vlan_naming ==
- DYNAMIC_VLAN_NAMING_WITH_DEVICE ?
- VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD :
- VLAN_NAME_TYPE_PLUS_VID_NO_PAD);
-#endif /* CONFIG_VLAN_NETLINK */
-
- priv->s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
- if (priv->s < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: socket(PF_NETLINK,SOCK_RAW,"
- "NETLINK_ROUTE) failed: %s",
- __func__, strerror(errno));
- os_free(priv);
- return NULL;
- }
-
- os_memset(&local, 0, sizeof(local));
- local.nl_family = AF_NETLINK;
- local.nl_groups = RTMGRP_LINK;
- if (bind(priv->s, (struct sockaddr *) &local, sizeof(local)) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: %s: bind(netlink) failed: %s",
- __func__, strerror(errno));
- close(priv->s);
- os_free(priv);
- return NULL;
- }
-
- if (eloop_register_read_sock(priv->s, vlan_event_receive, hapd, NULL))
- {
- close(priv->s);
- os_free(priv);
- return NULL;
- }
-
- return priv;
-}
-
-
-static void full_dynamic_vlan_deinit(struct full_dynamic_vlan *priv)
-{
- if (priv == NULL)
- return;
- eloop_unregister_read_sock(priv->s);
- close(priv->s);
- os_free(priv);
-}
-#endif /* CONFIG_FULL_DYNAMIC_VLAN */
-
-
static int vlan_dynamic_add(struct hostapd_data *hapd,
struct hostapd_vlan *vlan)
{