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-rw-r--r--package/iwinfo/Makefile2
-rw-r--r--package/iwinfo/src/include/iwinfo/nl80211.h11
-rw-r--r--package/iwinfo/src/include/iwinfo/utils.h3
-rw-r--r--package/iwinfo/src/iwinfo_cli.c6
-rw-r--r--package/iwinfo/src/iwinfo_nl80211.c471
-rw-r--r--package/iwinfo/src/iwinfo_utils.c105
-rw-r--r--package/iwinfo/src/iwinfo_wext_scan.c152
7 files changed, 510 insertions, 240 deletions
diff --git a/package/iwinfo/Makefile b/package/iwinfo/Makefile
index 63ccec9..079fe68 100644
--- a/package/iwinfo/Makefile
+++ b/package/iwinfo/Makefile
@@ -7,7 +7,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=libiwinfo
-PKG_RELEASE:=29
+PKG_RELEASE:=30
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
PKG_CONFIG_DEPENDS := \
diff --git a/package/iwinfo/src/include/iwinfo/nl80211.h b/package/iwinfo/src/include/iwinfo/nl80211.h
index fd0ddb4..7bbf0ef 100644
--- a/package/iwinfo/src/include/iwinfo/nl80211.h
+++ b/package/iwinfo/src/include/iwinfo/nl80211.h
@@ -39,6 +39,7 @@ struct nl80211_state {
struct nl_sock *nl_sock;
struct nl_cache *nl_cache;
struct genl_family *nl80211;
+ struct genl_family *nlctrl;
};
struct nl80211_msg_conveyor {
@@ -46,6 +47,16 @@ struct nl80211_msg_conveyor {
struct nl_cb *cb;
};
+struct nl80211_event_conveyor {
+ int wait;
+ int recv;
+};
+
+struct nl80211_group_conveyor {
+ const char *name;
+ int id;
+};
+
struct nl80211_rssi_rate {
int16_t rate;
int8_t rssi;
diff --git a/package/iwinfo/src/include/iwinfo/utils.h b/package/iwinfo/src/include/iwinfo/utils.h
index 10246a8..d58ec5f 100644
--- a/package/iwinfo/src/include/iwinfo/utils.h
+++ b/package/iwinfo/src/include/iwinfo/utils.h
@@ -41,4 +41,7 @@ struct iwinfo_hardware_entry * iwinfo_hardware(struct iwinfo_hardware_id *id);
int iwinfo_hardware_id_from_mtd(struct iwinfo_hardware_id *id);
+void iwinfo_parse_rsn(struct iwinfo_crypto_entry *c, uint8_t *data, uint8_t len,
+ uint8_t defcipher, uint8_t defauth);
+
#endif
diff --git a/package/iwinfo/src/iwinfo_cli.c b/package/iwinfo/src/iwinfo_cli.c
index dc8ed8b..186cce1 100644
--- a/package/iwinfo/src/iwinfo_cli.c
+++ b/package/iwinfo/src/iwinfo_cli.c
@@ -230,19 +230,19 @@ static char * format_encryption(struct iwinfo_crypto_entry *c)
case 3:
snprintf(buf, sizeof(buf), "mixed WPA/WPA2 %s (%s)",
format_enc_suites(c->auth_suites),
- format_enc_ciphers(c->pair_ciphers & c->group_ciphers));
+ format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
break;
case 2:
snprintf(buf, sizeof(buf), "WPA2 %s (%s)",
format_enc_suites(c->auth_suites),
- format_enc_ciphers(c->pair_ciphers & c->group_ciphers));
+ format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
break;
case 1:
snprintf(buf, sizeof(buf), "WPA %s (%s)",
format_enc_suites(c->auth_suites),
- format_enc_ciphers(c->pair_ciphers & c->group_ciphers));
+ format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
break;
}
}
diff --git a/package/iwinfo/src/iwinfo_nl80211.c b/package/iwinfo/src/iwinfo_nl80211.c
index 05d8203..5286150 100644
--- a/package/iwinfo/src/iwinfo_nl80211.c
+++ b/package/iwinfo/src/iwinfo_nl80211.c
@@ -47,26 +47,30 @@ static int nl80211_init(void)
goto err;
}
- if( genl_connect(nls->nl_sock)) {
+ if (genl_connect(nls->nl_sock)) {
err = -ENOLINK;
goto err;
}
fd = nl_socket_get_fd(nls->nl_sock);
- if (fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC) < 0)
- {
+ if (fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC) < 0) {
err = -EINVAL;
goto err;
}
- if( genl_ctrl_alloc_cache(nls->nl_sock, &nls->nl_cache)) {
+ if (genl_ctrl_alloc_cache(nls->nl_sock, &nls->nl_cache)) {
err = -ENOMEM;
goto err;
}
nls->nl80211 = genl_ctrl_search_by_name(nls->nl_cache, "nl80211");
- if (!nls->nl80211)
- {
+ if (!nls->nl80211) {
+ err = -ENOENT;
+ goto err;
+ }
+
+ nls->nlctrl = genl_ctrl_search_by_name(nls->nl_cache, "nlctrl");
+ if (!nls->nlctrl) {
err = -ENOENT;
goto err;
}
@@ -80,6 +84,7 @@ err:
return err;
}
+
static int nl80211_msg_error(struct sockaddr_nl *nla,
struct nlmsgerr *err, void *arg)
{
@@ -122,29 +127,14 @@ static void nl80211_free(struct nl80211_msg_conveyor *cv)
}
}
-static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname, int cmd, int flags)
+static struct nl80211_msg_conveyor * nl80211_new(struct genl_family *family,
+ int cmd, int flags)
{
static struct nl80211_msg_conveyor cv;
- int ifidx = -1, phyidx = -1;
struct nl_msg *req = NULL;
struct nl_cb *cb = NULL;
- if (nl80211_init() < 0)
- goto err;
-
- if (!strncmp(ifname, "phy", 3))
- phyidx = atoi(&ifname[3]);
- else if (!strncmp(ifname, "radio", 5))
- phyidx = atoi(&ifname[5]);
- else if (!strncmp(ifname, "mon.", 4))
- ifidx = if_nametoindex(&ifname[4]);
- else
- ifidx = if_nametoindex(ifname);
-
- if ((ifidx < 0) && (phyidx < 0))
- return NULL;
-
req = nlmsg_alloc();
if (!req)
goto err;
@@ -153,14 +143,7 @@ static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname, int cmd, in
if (!cb)
goto err;
- genlmsg_put(req, 0, 0, genl_family_get_id(nls->nl80211), 0,
- flags, cmd, 0);
-
- if (ifidx > -1)
- NLA_PUT_U32(req, NL80211_ATTR_IFINDEX, ifidx);
-
- if (phyidx > -1)
- NLA_PUT_U32(req, NL80211_ATTR_WIPHY, phyidx);
+ genlmsg_put(req, 0, 0, genl_family_get_id(family), 0, flags, cmd, 0);
cv.msg = req;
cv.cb = cb;
@@ -178,6 +161,52 @@ nla_put_failure:
return NULL;
}
+static struct nl80211_msg_conveyor * nl80211_ctl(int cmd, int flags)
+{
+ if (nl80211_init() < 0)
+ return NULL;
+
+ return nl80211_new(nls->nlctrl, cmd, flags);
+}
+
+static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname,
+ int cmd, int flags)
+{
+ int ifidx = -1, phyidx = -1;
+ struct nl80211_msg_conveyor *cv;
+
+ if (nl80211_init() < 0)
+ return NULL;
+
+ if (!strncmp(ifname, "phy", 3))
+ phyidx = atoi(&ifname[3]);
+ else if (!strncmp(ifname, "radio", 5))
+ phyidx = atoi(&ifname[5]);
+ else if (!strncmp(ifname, "mon.", 4))
+ ifidx = if_nametoindex(&ifname[4]);
+ else
+ ifidx = if_nametoindex(ifname);
+
+ if ((ifidx < 0) && (phyidx < 0))
+ return NULL;
+
+ cv = nl80211_new(nls->nl80211, cmd, flags);
+ if (!cv)
+ return NULL;
+
+ if (ifidx > -1)
+ NLA_PUT_U32(cv->msg, NL80211_ATTR_IFINDEX, ifidx);
+
+ if (phyidx > -1)
+ NLA_PUT_U32(cv->msg, NL80211_ATTR_WIPHY, phyidx);
+
+ return cv;
+
+nla_put_failure:
+ nl80211_free(cv);
+ return NULL;
+}
+
static struct nl80211_msg_conveyor * nl80211_send(
struct nl80211_msg_conveyor *cv,
int (*cb_func)(struct nl_msg *, void *), void *cb_arg
@@ -215,20 +244,111 @@ static struct nlattr ** nl80211_parse(struct nl_msg *msg)
static struct nlattr *attr[NL80211_ATTR_MAX + 1];
nla_parse(attr, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), NULL);
+ genlmsg_attrlen(gnlh, 0), NULL);
return attr;
}
+
+static int nl80211_subscribe_cb(struct nl_msg *msg, void *arg)
+{
+ struct nl80211_group_conveyor *cv = arg;
+
+ struct nlattr **attr = nl80211_parse(msg);
+ struct nlattr *mgrpinfo[CTRL_ATTR_MCAST_GRP_MAX + 1];
+ struct nlattr *mgrp;
+ int mgrpidx;
+
+ if (!attr[CTRL_ATTR_MCAST_GROUPS])
+ return NL_SKIP;
+
+ nla_for_each_nested(mgrp, attr[CTRL_ATTR_MCAST_GROUPS], mgrpidx)
+ {
+ nla_parse(mgrpinfo, CTRL_ATTR_MCAST_GRP_MAX,
+ nla_data(mgrp), nla_len(mgrp), NULL);
+
+ if (mgrpinfo[CTRL_ATTR_MCAST_GRP_ID] &&
+ mgrpinfo[CTRL_ATTR_MCAST_GRP_NAME] &&
+ !strncmp(nla_data(mgrpinfo[CTRL_ATTR_MCAST_GRP_NAME]),
+ cv->name, nla_len(mgrpinfo[CTRL_ATTR_MCAST_GRP_NAME])))
+ {
+ cv->id = nla_get_u32(mgrpinfo[CTRL_ATTR_MCAST_GRP_ID]);
+ break;
+ }
+ }
+
+ return NL_SKIP;
+}
+
+static int nl80211_subscribe(const char *family, const char *group)
+{
+ struct nl80211_group_conveyor cv = { .name = group, .id = -ENOENT };
+ struct nl80211_msg_conveyor *req;
+
+ req = nl80211_ctl(CTRL_CMD_GETFAMILY, 0);
+ if (req)
+ {
+ NLA_PUT_STRING(req->msg, CTRL_ATTR_FAMILY_NAME, family);
+ nl80211_send(req, nl80211_subscribe_cb, &cv);
+
+nla_put_failure:
+ nl80211_free(req);
+ }
+
+ return nl_socket_add_membership(nls->nl_sock, cv.id);
+}
+
+
+static int nl80211_wait_cb(struct nl_msg *msg, void *arg)
+{
+ struct nl80211_event_conveyor *cv = arg;
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+
+ if (gnlh->cmd == cv->wait)
+ cv->recv = gnlh->cmd;
+
+ return NL_SKIP;
+}
+
+static int nl80211_wait_seq_check(struct nl_msg *msg, void *arg)
+{
+ return NL_OK;
+}
+
+static int nl80211_wait(const char *family, const char *group, int cmd)
+{
+ struct nl80211_event_conveyor cv = { .wait = cmd };
+ struct nl_cb *cb;
+
+ if (nl80211_subscribe(family, group))
+ return -ENOENT;
+
+ cb = nl_cb_alloc(NL_CB_DEFAULT);
+
+ if (!cb)
+ return -ENOMEM;
+
+ nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, nl80211_wait_seq_check, NULL);
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, nl80211_wait_cb, &cv );
+
+ while (!cv.recv)
+ nl_recvmsgs(nls->nl_sock, cb);
+
+ nl_cb_put(cb);
+
+ return 0;
+}
+
+
static int nl80211_freq2channel(int freq)
{
- if (freq == 2484)
- return 14;
+ if (freq == 2484)
+ return 14;
- if (freq < 2484)
- return (freq - 2407) / 5;
+ if (freq < 2484)
+ return (freq - 2407) / 5;
- return (freq / 5) - 1000;
+ return (freq / 5) - 1000;
}
static char * nl80211_getval(const char *ifname, const char *buf, const char *key)
@@ -285,7 +405,8 @@ static int nl80211_ifname2phy_cb(struct nl_msg *msg, void *arg)
struct nlattr **attr = nl80211_parse(msg);
if (attr[NL80211_ATTR_WIPHY_NAME])
- sprintf(buf, "%s", nla_data(attr[NL80211_ATTR_WIPHY_NAME]));
+ memcpy(buf, nla_data(attr[NL80211_ATTR_WIPHY_NAME]),
+ nla_len(attr[NL80211_ATTR_WIPHY_NAME]));
else
buf[0] = 0;
@@ -380,8 +501,8 @@ static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
goto out;
local.sun_family = AF_UNIX;
- local_length = sizeof(local.sun_family) + sprintf(local.sun_path,
- "/var/run/iwinfo-%s-%d", ifname, getpid());
+ local_length = sizeof(local.sun_family) +
+ sprintf(local.sun_path, "/var/run/iwinfo-%s-%d", ifname, getpid());
if (bind(sock, (struct sockaddr *) &local, local_length))
goto out;
@@ -462,18 +583,18 @@ static char * nl80211_phy2ifname(const char *ifname)
{
if ((d = opendir("/sys/class/net")) != NULL)
{
- while( (e = readdir(d)) != NULL )
+ while ((e = readdir(d)) != NULL)
{
snprintf(buffer, sizeof(buffer),
- "/sys/class/net/%s/phy80211/index", e->d_name);
+ "/sys/class/net/%s/phy80211/index", e->d_name);
if (nl80211_readint(buffer) == phyidx)
{
snprintf(buffer, sizeof(buffer),
- "/sys/class/net/%s/ifindex", e->d_name);
+ "/sys/class/net/%s/ifindex", e->d_name);
- if( (cifidx = nl80211_readint(buffer)) >= 0 &&
- ((ifidx < 0) || (cifidx < ifidx)) )
+ if ((cifidx = nl80211_readint(buffer)) >= 0 &&
+ ((ifidx < 0) || (cifidx < ifidx)))
{
ifidx = cifidx;
strncpy(nif, e->d_name, sizeof(nif));
@@ -562,6 +683,9 @@ void nl80211_close(void)
{
if (nls)
{
+ if (nls->nlctrl)
+ genl_family_put(nls->nlctrl);
+
if (nls->nl80211)
genl_family_put(nls->nl80211);
@@ -589,8 +713,8 @@ int nl80211_get_ssid(const char *ifname, char *buf)
{
return 0;
}
- else if( (ssid = nl80211_hostapd_info(ifname)) &&
- (ssid = nl80211_getval(ifname, ssid, "ssid")) )
+ else if ((ssid = nl80211_hostapd_info(ifname)) &&
+ (ssid = nl80211_getval(ifname, ssid, "ssid")))
{
memcpy(buf, ssid, strlen(ssid));
return 0;
@@ -608,7 +732,7 @@ int nl80211_get_bssid(const char *ifname, char *buf)
{
return 0;
}
- else if((bssid = nl80211_hostapd_info(ifname)) &&
+ else if ((bssid = nl80211_hostapd_info(ifname)) &&
(bssid = nl80211_getval(ifname, bssid, "bssid")))
{
mac[0] = strtol(&bssid[0], NULL, 16);
@@ -619,7 +743,7 @@ int nl80211_get_bssid(const char *ifname, char *buf)
mac[5] = strtol(&bssid[15], NULL, 16);
sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",
- mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return 0;
}
@@ -690,8 +814,8 @@ static int nl80211_fill_signal_cb(struct nl_msg *msg, void *arg)
if (attr[NL80211_ATTR_STA_INFO])
{
- if( !nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
- attr[NL80211_ATTR_STA_INFO], stats_policy) )
+ if (!nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
+ attr[NL80211_ATTR_STA_INFO], stats_policy))
{
if (sinfo[NL80211_STA_INFO_SIGNAL])
{
@@ -701,8 +825,9 @@ static int nl80211_fill_signal_cb(struct nl_msg *msg, void *arg)
if (sinfo[NL80211_STA_INFO_TX_BITRATE])
{
- if( !nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
- sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy) )
+ if (!nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
+ sinfo[NL80211_STA_INFO_TX_BITRATE],
+ rate_policy))
{
if (rinfo[NL80211_RATE_INFO_BITRATE])
{
@@ -732,11 +857,11 @@ static void nl80211_fill_signal(const char *ifname, struct nl80211_rssi_rate *r)
while ((de = readdir(d)) != NULL)
{
if (!strncmp(de->d_name, ifname, strlen(ifname)) &&
- (!de->d_name[strlen(ifname)] ||
- !strncmp(&de->d_name[strlen(ifname)], ".sta", 4)))
+ (!de->d_name[strlen(ifname)] ||
+ !strncmp(&de->d_name[strlen(ifname)], ".sta", 4)))
{
req = nl80211_msg(de->d_name, NL80211_CMD_GET_STATION,
- NLM_F_DUMP);
+ NLM_F_DUMP);
if (req)
{
@@ -801,7 +926,7 @@ static int nl80211_get_noise_cb(struct nl_msg *msg, void *arg)
return NL_SKIP;
if (nla_parse_nested(si, NL80211_SURVEY_INFO_MAX,
- tb[NL80211_ATTR_SURVEY_INFO], sp))
+ tb[NL80211_ATTR_SURVEY_INFO], sp))
return NL_SKIP;
if (!si[NL80211_SURVEY_INFO_NOISE])
@@ -890,8 +1015,8 @@ int nl80211_get_encryption(const char *ifname, char *buf)
struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf;
/* WPA supplicant */
- if( (res = nl80211_wpactl_info(ifname, "STATUS", NULL)) &&
- (val = nl80211_getval(NULL, res, "pairwise_cipher")) )
+ if ((res = nl80211_wpactl_info(ifname, "STATUS", NULL)) &&
+ (val = nl80211_getval(NULL, res, "pairwise_cipher")))
{
/* WEP */
if (strstr(val, "WEP"))
@@ -1021,7 +1146,7 @@ int nl80211_get_encryption(const char *ifname, char *buf)
break;
}
- for( i = 0; i < 4; i++ )
+ for (i = 0; i < 4; i++)
{
snprintf(k, sizeof(k), "wep_key%d", i);
@@ -1078,8 +1203,8 @@ static int nl80211_get_assoclist_cb(struct nl_msg *msg, void *arg)
memcpy(e->mac, nla_data(attr[NL80211_ATTR_MAC]), 6);
if (attr[NL80211_ATTR_STA_INFO] &&
- !nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
- attr[NL80211_ATTR_STA_INFO], stats_policy))
+ !nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
+ attr[NL80211_ATTR_STA_INFO], stats_policy))
{
if (sinfo[NL80211_STA_INFO_SIGNAL])
e->signal = nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
@@ -1094,8 +1219,8 @@ static int nl80211_get_assoclist_cb(struct nl_msg *msg, void *arg)
e->tx_packets = nla_get_u32(sinfo[NL80211_STA_INFO_TX_PACKETS]);
if (sinfo[NL80211_STA_INFO_RX_BITRATE] &&
- !nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
- sinfo[NL80211_STA_INFO_RX_BITRATE], rate_policy))
+ !nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
+ sinfo[NL80211_STA_INFO_RX_BITRATE], rate_policy))
{
if (rinfo[NL80211_RATE_INFO_BITRATE])
e->rx_rate.rate =
@@ -1112,8 +1237,8 @@ static int nl80211_get_assoclist_cb(struct nl_msg *msg, void *arg)
}
if (sinfo[NL80211_STA_INFO_TX_BITRATE] &&
- !nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
- sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy))
+ !nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
+ sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy))
{
if (rinfo[NL80211_RATE_INFO_BITRATE])
e->tx_rate.rate =
@@ -1150,11 +1275,11 @@ int nl80211_get_assoclist(const char *ifname, char *buf, int *len)
while ((de = readdir(d)) != NULL)
{
if (!strncmp(de->d_name, ifname, strlen(ifname)) &&
- (!de->d_name[strlen(ifname)] ||
- !strncmp(&de->d_name[strlen(ifname)], ".sta", 4)))
+ (!de->d_name[strlen(ifname)] ||
+ !strncmp(&de->d_name[strlen(ifname)], ".sta", 4)))
{
req = nl80211_msg(de->d_name, NL80211_CMD_GET_STATION,
- NLM_F_DUMP);
+ NLM_F_DUMP);
if (req)
{
@@ -1202,19 +1327,18 @@ static int nl80211_get_txpwrlist_cb(struct nl_msg *msg, void *arg)
nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
{
nla_parse(bands, NL80211_BAND_ATTR_MAX, nla_data(band),
- nla_len(band), NULL);
+ nla_len(band), NULL);
- nla_for_each_nested(freq,
- bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
+ nla_for_each_nested(freq, bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
{
nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
- nla_data(freq), nla_len(freq), freq_policy);
+ nla_data(freq), nla_len(freq), freq_policy);
- ch_cmp = nl80211_freq2channel(
- nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]));
+ ch_cmp = nl80211_freq2channel(nla_get_u32(
+ freqs[NL80211_FREQUENCY_ATTR_FREQ]));
- if( (!ch_cur || (ch_cmp == ch_cur)) &&
- freqs[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] )
+ if ((!ch_cur || (ch_cmp == ch_cur)) &&
+ freqs[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])
{
*dbm_max = (int)(0.01 * nla_get_u32(
freqs[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
@@ -1322,6 +1446,157 @@ static void nl80211_get_scancrypto(const char *spec,
}
}
+
+struct nl80211_scanlist {
+ struct iwinfo_scanlist_entry *e;
+ int len;
+};
+
+
+static void nl80211_get_scanlist_ie(struct nlattr **bss,
+ struct iwinfo_scanlist_entry *e)
+{
+ int ielen = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
+ unsigned char *ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
+ static unsigned char ms_oui[3] = { 0x00, 0x50, 0xf2 };
+
+ while (ielen >= 2 && ielen >= ie[1])
+ {
+ switch (ie[0])
+ {
+ case 0: /* SSID */
+ memcpy(e->ssid, ie + 2, min(ie[1], IWINFO_ESSID_MAX_SIZE));
+ break;
+
+ case 48: /* RSN */
+ iwinfo_parse_rsn(&e->crypto, ie + 2, ie[1],
+ IWINFO_CIPHER_CCMP, IWINFO_KMGMT_8021x);
+ break;
+
+ case 221: /* Vendor */
+ if (ie[1] >= 4 && !memcmp(ie + 2, ms_oui, 3) && ie[5] == 1)
+ iwinfo_parse_rsn(&e->crypto, ie + 6, ie[1] - 4,
+ IWINFO_CIPHER_TKIP, IWINFO_KMGMT_PSK);
+ break;
+ }
+
+ ielen -= ie[1] + 2;
+ ie += ie[1] + 2;
+ }
+}
+
+static int nl80211_get_scanlist_cb(struct nl_msg *msg, void *arg)
+{
+ int8_t rssi;
+ uint16_t caps;
+
+ struct nl80211_scanlist *sl = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+ struct nlattr *bss[NL80211_BSS_MAX + 1];
+
+ static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
+ [NL80211_BSS_TSF] = { .type = NLA_U64 },
+ [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
+ [NL80211_BSS_BSSID] = { },
+ [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
+ [NL80211_BSS_INFORMATION_ELEMENTS] = { },
+ [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
+ [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
+ [NL80211_BSS_STATUS] = { .type = NLA_U32 },
+ [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
+ [NL80211_BSS_BEACON_IES] = { },
+ };
+
+ if (!tb[NL80211_ATTR_BSS] ||
+ nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
+ bss_policy) ||
+ !bss[NL80211_BSS_BSSID])
+ {
+ return NL_SKIP;
+ }
+
+ if (bss[NL80211_BSS_CAPABILITY])
+ caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
+ else
+ caps = 0;
+
+ memset(sl->e, 0, sizeof(*sl->e));
+ memcpy(sl->e->mac, nla_data(bss[NL80211_BSS_BSSID]), 6);
+
+ if (caps & (1<<1))
+ memcpy(sl->e->mode, "Ad-Hoc", 6);
+ else
+ memcpy(sl->e->mode, "Master", 6);
+
+ if (caps & (1<<4))
+ sl->e->crypto.enabled = 1;
+
+ if (bss[NL80211_BSS_FREQUENCY])
+ sl->e->channel = nl80211_freq2channel(nla_get_u32(
+ bss[NL80211_BSS_FREQUENCY]));
+
+ if (bss[NL80211_BSS_INFORMATION_ELEMENTS])
+ nl80211_get_scanlist_ie(bss, sl->e);
+
+ if (bss[NL80211_BSS_SIGNAL_MBM])
+ {
+ sl->e->signal = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]) / 100;
+
+ rssi = sl->e->signal - 0x100;
+
+ if (rssi < -110)
+ rssi = -110;
+ else if (rssi > -40)
+ rssi = -40;
+
+ sl->e->quality = (rssi + 110);
+ sl->e->quality_max = 70;
+ }
+
+ if (sl->e->crypto.enabled && !sl->e->crypto.wpa_version)
+ {
+ sl->e->crypto.auth_algs = IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED;
+ sl->e->crypto.pair_ciphers = IWINFO_CIPHER_WEP40 | IWINFO_CIPHER_WEP104;
+ }
+
+ sl->e++;
+ sl->len++;
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_scanlist_nl(const char *ifname, char *buf, int *len)
+{
+ struct nl_msg *ssids = NULL;
+ struct nl80211_msg_conveyor *req;
+ struct nl80211_scanlist sl = { .e = (struct iwinfo_scanlist_entry *)buf };
+
+ req = nl80211_msg(ifname, NL80211_CMD_TRIGGER_SCAN, 0);
+ if (req)
+ {
+ nl80211_send(req, NULL, NULL);
+ nl80211_free(req);
+ }
+
+ nl80211_wait("nl80211", "scan", NL80211_CMD_NEW_SCAN_RESULTS);
+
+ req = nl80211_msg(ifname, NL80211_CMD_GET_SCAN, NLM_F_DUMP);
+ if (req)
+ {
+ nl80211_send(req, nl80211_get_scanlist_cb, &sl);
+ nl80211_free(req);
+ }
+
+ *len = sl.len * sizeof(struct iwinfo_scanlist_entry);
+ return *len ? 0 : -1;
+
+nla_put_failure:
+ if (ssids)
+ nlmsg_free(ssids);
+ return -1;
+}
+
int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
{
int freq, rssi, qmax, count;
@@ -1358,12 +1633,12 @@ int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
nl80211_get_quality_max(ifname, &qmax);
/* skip header line */
- while( *res++ != '\n' );
+ while (*res++ != '\n');
count = 0;
- while( sscanf(res, "%17s %d %d %255s%*[ \t]%127[^\n]\n",
- bssid, &freq, &rssi, cipher, ssid) > 0 )
+ while (sscanf(res, "%17s %d %d %255s%*[ \t]%127[^\n]\n",
+ bssid, &freq, &rssi, cipher, ssid) > 0)
{
/* BSSID */
e->mac[0] = strtol(&bssid[0], NULL, 16);
@@ -1374,8 +1649,7 @@ int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
e->mac[5] = strtol(&bssid[15], NULL, 16);
/* SSID */
- memcpy(e->ssid, ssid,
- min(strlen(ssid), sizeof(e->ssid) - 1));
+ memcpy(e->ssid, ssid, min(strlen(ssid), sizeof(e->ssid) - 1));
/* Mode (assume master) */
sprintf((char *)e->mode, "Master");
@@ -1435,7 +1709,7 @@ int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
if (!iwinfo_ifup(ifname))
return -1;
- wext_get_scanlist(ifname, buf, len);
+ nl80211_get_scanlist_nl(ifname, buf, len);
iwinfo_ifdown(ifname);
return 0;
}
@@ -1453,7 +1727,7 @@ int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
* additional interface and there's no need to tear down the ap */
if (iwinfo_ifup(res))
{
- wext_get_scanlist(res, buf, len);
+ nl80211_get_scanlist_nl(res, buf, len);
iwinfo_ifdown(res);
}
@@ -1461,7 +1735,7 @@ int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
* during scan */
else if (iwinfo_ifdown(ifname) && iwinfo_ifup(res))
{
- wext_get_scanlist(res, buf, len);
+ nl80211_get_scanlist_nl(res, buf, len);
iwinfo_ifdown(res);
iwinfo_ifup(ifname);
nl80211_hostapd_hup(ifname);
@@ -1499,17 +1773,16 @@ static int nl80211_get_freqlist_cb(struct nl_msg *msg, void *arg)
nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
{
- nla_parse(bands, NL80211_BAND_ATTR_MAX, nla_data(band),
- nla_len(band), NULL);
+ nla_parse(bands, NL80211_BAND_ATTR_MAX,
+ nla_data(band), nla_len(band), NULL);
- nla_for_each_nested(freq,
- bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
+ nla_for_each_nested(freq, bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
{
nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
- nla_data(freq), nla_len(freq), NULL);
+ nla_data(freq), nla_len(freq), NULL);
- if( !freqs[NL80211_FREQUENCY_ATTR_FREQ] ||
- freqs[NL80211_FREQUENCY_ATTR_DISABLED] )
+ if (!freqs[NL80211_FREQUENCY_ATTR_FREQ] ||
+ freqs[NL80211_FREQUENCY_ATTR_DISABLED])
continue;
e->mhz = nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]);
@@ -1587,7 +1860,7 @@ int nl80211_get_countrylist(const char *ifname, char *buf, int *len)
struct iwinfo_country_entry *e = (struct iwinfo_country_entry *)buf;
const struct iwinfo_iso3166_label *l;
- for( l = IWINFO_ISO3166_NAMES, count = 0; l->iso3166; l++, e++, count++ )
+ for (l = IWINFO_ISO3166_NAMES, count = 0; l->iso3166; l++, e++, count++)
{
e->iso3166 = l->iso3166;
e->ccode[0] = (l->iso3166 / 256);
@@ -1614,8 +1887,8 @@ static int nl80211_get_hwmodelist_cb(struct nl_msg *msg, void *arg)
{
nla_for_each_nested(band, attr[NL80211_ATTR_WIPHY_BANDS], bands_remain)
{
- nla_parse(bands, NL80211_BAND_ATTR_MAX, nla_data(band),
- nla_len(band), NULL);
+ nla_parse(bands, NL80211_BAND_ATTR_MAX,
+ nla_data(band), nla_len(band), NULL);
if (bands[NL80211_BAND_ATTR_HT_CAPA])
caps = nla_get_u16(bands[NL80211_BAND_ATTR_HT_CAPA]);
@@ -1624,11 +1897,11 @@ static int nl80211_get_hwmodelist_cb(struct nl_msg *msg, void *arg)
if (caps > 0)
*modes |= IWINFO_80211_N;
- nla_for_each_nested(freq,
- bands[NL80211_BAND_ATTR_FREQS], freqs_remain)
+ nla_for_each_nested(freq, bands[NL80211_BAND_ATTR_FREQS],
+ freqs_remain)
{
nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
- nla_data(freq), nla_len(freq), NULL);
+ nla_data(freq), nla_len(freq), NULL);
if (!freqs[NL80211_FREQUENCY_ATTR_FREQ])
continue;
@@ -1710,7 +1983,7 @@ int nl80211_get_hardware_id(const char *ifname, char *buf)
/* Failed to obtain hardware IDs, search board config */
if (rv)
{
- rv = iwinfo_hardware_id_from_mtd(buf);
+ rv = iwinfo_hardware_id_from_mtd((struct iwinfo_hardware_id *)buf);
}
return rv;
diff --git a/package/iwinfo/src/iwinfo_utils.c b/package/iwinfo/src/iwinfo_utils.c
index b21f791..514f34b 100644
--- a/package/iwinfo/src/iwinfo_utils.c
+++ b/package/iwinfo/src/iwinfo_utils.c
@@ -145,7 +145,7 @@ struct iwinfo_hardware_entry * iwinfo_hardware(struct iwinfo_hardware_id *id)
(e->subsystem_device_id != id->subsystem_device_id))
continue;
- return e;
+ return (struct iwinfo_hardware_entry *)e;
}
return NULL;
@@ -221,3 +221,106 @@ int iwinfo_hardware_id_from_mtd(struct iwinfo_hardware_id *id)
return (id->vendor_id && id->device_id) ? 0 : -1;
}
+
+void iwinfo_parse_rsn(struct iwinfo_crypto_entry *c, uint8_t *data, uint8_t len,
+ uint8_t defcipher, uint8_t defauth)
+{
+ uint16_t i, count;
+
+ static unsigned char ms_oui[3] = { 0x00, 0x50, 0xf2 };
+ static unsigned char ieee80211_oui[3] = { 0x00, 0x0f, 0xac };
+
+ data += 2;
+ len -= 2;
+
+ if (!memcmp(data, ms_oui, 3))
+ c->wpa_version += 1;
+ else if (!memcmp(data, ieee80211_oui, 3))
+ c->wpa_version += 2;
+
+ if (len < 4)
+ {
+ c->group_ciphers |= defcipher;
+ c->pair_ciphers |= defcipher;
+ c->auth_suites |= defauth;
+ return;
+ }
+
+ if (!memcmp(data, ms_oui, 3) || !memcmp(data, ieee80211_oui, 3))
+ {
+ switch (data[3])
+ {
+ case 1: c->group_ciphers |= IWINFO_CIPHER_WEP40; break;
+ case 2: c->group_ciphers |= IWINFO_CIPHER_TKIP; break;
+ case 4: c->group_ciphers |= IWINFO_CIPHER_CCMP; break;
+ case 5: c->group_ciphers |= IWINFO_CIPHER_WEP104; break;
+ case 6: /* AES-128-CMAC */ break;
+ default: /* proprietary */ break;
+ }
+ }
+
+ data += 4;
+ len -= 4;
+
+ if (len < 2)
+ {
+ c->pair_ciphers |= defcipher;
+ c->auth_suites |= defauth;
+ return;
+ }
+
+ count = data[0] | (data[1] << 8);
+ if (2 + (count * 4) > len)
+ return;
+
+ for (i = 0; i < count; i++)
+ {
+ if (!memcmp(data + 2 + (i * 4), ms_oui, 3) ||
+ !memcmp(data + 2 + (i * 4), ieee80211_oui, 3))
+ {
+ switch (data[2 + (i * 4) + 3])
+ {
+ case 1: c->pair_ciphers |= IWINFO_CIPHER_WEP40; break;
+ case 2: c->pair_ciphers |= IWINFO_CIPHER_TKIP; break;
+ case 4: c->pair_ciphers |= IWINFO_CIPHER_CCMP; break;
+ case 5: c->pair_ciphers |= IWINFO_CIPHER_WEP104; break;
+ case 6: /* AES-128-CMAC */ break;
+ default: /* proprietary */ break;
+ }
+ }
+ }
+
+ data += 2 + (count * 4);
+ len -= 2 + (count * 4);
+
+ if (len < 2)
+ {
+ c->auth_suites |= defauth;
+ return;
+ }
+
+ count = data[0] | (data[1] << 8);
+ if (2 + (count * 4) > len)
+ return;
+
+ for (i = 0; i < count; i++)
+ {
+ if (!memcmp(data + 2 + (i * 4), ms_oui, 3) ||
+ !memcmp(data + 2 + (i * 4), ieee80211_oui, 3))
+ {
+ switch (data[2 + (i * 4) + 3])
+ {
+ case 1: c->auth_suites |= IWINFO_KMGMT_8021x; break;
+ case 2: c->auth_suites |= IWINFO_KMGMT_PSK; break;
+ case 3: /* FT/IEEE 802.1X */ break;
+ case 4: /* FT/PSK */ break;
+ case 5: /* IEEE 802.1X/SHA-256 */ break;
+ case 6: /* PSK/SHA-256 */ break;
+ default: /* proprietary */ break;
+ }
+ }
+ }
+
+ data += 2 + (count * 4);
+ len -= 2 + (count * 4);
+}
diff --git a/package/iwinfo/src/iwinfo_wext_scan.c b/package/iwinfo/src/iwinfo_wext_scan.c
index de02587..0a00933 100644
--- a/package/iwinfo/src/iwinfo_wext_scan.c
+++ b/package/iwinfo/src/iwinfo_wext_scan.c
@@ -213,132 +213,28 @@ static inline int wext_extract_event(struct stream_descr *stream, struct iw_even
return 1;
}
-static inline void wext_fill_wpa(unsigned char *iebuf, int buflen, struct iwinfo_scanlist_entry *e)
+static inline void wext_fill_wpa(unsigned char *iebuf, int ielen, struct iwinfo_scanlist_entry *e)
{
- int ielen = iebuf[1] + 2;
- int offset = 2; /* Skip the IE id, and the length. */
- unsigned char wpa1_oui[3] = {0x00, 0x50, 0xf2};
- unsigned char wpa2_oui[3] = {0x00, 0x0f, 0xac};
- unsigned char *wpa_oui;
- int i;
- uint16_t ver = 0;
- uint16_t cnt = 0;
- int wpa1 = 0, wpa2 = 0;
- char buf[256];
-
- struct iwinfo_crypto_entry *ce = &e->crypto;
-
- if(ielen > buflen)
- ielen = buflen;
+ static unsigned char ms_oui[3] = { 0x00, 0x50, 0xf2 };
- switch(iebuf[0])
+ while (ielen >= 2 && ielen >= iebuf[1])
{
- case 0x30: /* WPA2 */
- /* Check if we have enough data */
- if(ielen < 4)
- return;
-
- wpa_oui = wpa2_oui;
+ switch (iebuf[0])
+ {
+ case 48: /* RSN */
+ iwinfo_parse_rsn(&e->crypto, iebuf + 2, iebuf[1],
+ IWINFO_CIPHER_CCMP, IWINFO_KMGMT_8021x);
break;
- case 0xdd: /* WPA or else */
- wpa_oui = wpa1_oui;
- /* Not all IEs that start with 0xdd are WPA.
- * * So check that the OUI is valid. */
- if((ielen < 8) || ((memcmp(&iebuf[offset], wpa_oui, 3) != 0)
- || (iebuf[offset+3] != 0x01)))
- return;
-
- offset += 4;
+ case 221: /* Vendor */
+ if (iebuf[1] >= 4 && !memcmp(iebuf + 2, ms_oui, 3) && iebuf[5] == 1)
+ iwinfo_parse_rsn(&e->crypto, iebuf + 6, iebuf[1] - 4,
+ IWINFO_CIPHER_TKIP, IWINFO_KMGMT_PSK);
break;
+ }
- default:
- return;
- }
-
- /* Pick version number (little endian) */
- ver = iebuf[offset] | (iebuf[offset + 1] << 8);
- offset += 2;
-
- if(iebuf[0] == 0xdd)
- wpa1 = 1;
-
- if(iebuf[0] == 0x30)
- wpa2 = 1;
-
- if( wpa1 && (ce->wpa_version == 2) )
- ce->wpa_version = 3;
- else if( wpa2 && (ce->wpa_version == 1) )
- ce->wpa_version = 3;
- else if( wpa1 && !ce->wpa_version )
- ce->wpa_version = 1;
- else if( wpa2 && !ce->wpa_version )
- ce->wpa_version = 2;
-
- if(ielen < (offset + 4))
- {
- ce->group_ciphers |= (1<<2); /* TKIP */
- ce->pair_ciphers |= (1<<2); /* TKIP */
- ce->auth_suites |= (1<<2); /* PSK */
- return;
- }
-
- if(memcmp(&iebuf[offset], wpa_oui, 3) != 0)
- ce->group_ciphers |= (1<<7); /* Proprietary */
- else
- ce->group_ciphers |= (1<<iebuf[offset+3]);
-
- offset += 4;
-
- if(ielen < (offset + 2))
- {
- ce->pair_ciphers |= (1<<2); /* TKIP */
- ce->auth_suites |= (1<<2); /* PSK */
- return;
- }
-
- /* Otherwise, we have some number of pairwise ciphers. */
- cnt = iebuf[offset] | (iebuf[offset + 1] << 8);
- offset += 2;
-
- if(ielen < (offset + 4*cnt))
- return;
-
- *buf = '\0';
- for(i = 0; i < cnt; i++)
- {
- if(memcmp(&iebuf[offset], wpa_oui, 3) != 0)
- ce->pair_ciphers |= (1<<7); /* Proprietary */
- else if(iebuf[offset+3] <= IW_IE_CYPHER_NUM)
- ce->pair_ciphers |= (1<<iebuf[offset+3]);
- //else
- // ce->pair_ciphers[ce->pair_cipher_num++] = 255; /* Unknown */
-
- offset += 4;
- }
-
- /* Check if we are done */
- if(ielen < (offset + 2))
- return;
-
- /* Now, we have authentication suites. */
- cnt = iebuf[offset] | (iebuf[offset + 1] << 8);
- offset += 2;
- *buf = '\0';
-
- if(ielen < (offset + 4*cnt))
- return;
-
- for(i = 0; i < cnt; i++)
- {
- if(memcmp(&iebuf[offset], wpa_oui, 3) != 0)
- ce->auth_suites |= (1<<7); /* Proprietary */
- else if(iebuf[offset+3] <= IW_IE_KEY_MGMT_NUM)
- ce->auth_suites |= (1<<iebuf[offset+3]);
- //else
- // ce->auth_suites[ce->auth_suite_num++] = 255; /* Unknown */
-
- offset += 4;
+ ielen -= iebuf[1] + 2;
+ iebuf += iebuf[1] + 2;
}
}
@@ -433,23 +329,7 @@ static inline void wext_fill_entry(struct stream_descr *stream, struct iw_event
break;
#endif
case IWEVGENIE:
- i = 0;
-
- while(i <= (event->u.data.length - 2))
- {
- switch(((unsigned char *)event->u.data.pointer)[i])
- {
- case 0xdd: /* WPA1 (and other) */
- case 0x30: /* WPA2 */
- wext_fill_wpa((unsigned char *)event->u.data.pointer + i,
- event->u.data.length, e);
-
- break;
- }
-
- i += ((unsigned char *)event->u.data.pointer)[i+1] + 2;
- }
-
+ wext_fill_wpa(event->u.data.pointer, event->u.data.length, e);
break;
}
}
generated by cgit v1.1 at 2024-11-04 05:25:02 +0000