Amazing-Mirror/fragattacks
1
0
Fork 0
mirror of https://github.com/vanhoefm/fragattacks.git synced 2025-02-07 04:34:04 -05:00
Code Issues Projects Releases Wiki Activity

nl80211: Refactor Action frame TX

Browse Source 
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2010-10-10 18:00:25 +03:00 committed by Jouni Malinen
parent bd94971e11
commit 9884f9cc1c
1 changed files with 43 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
src/drivers/driver_nl80211.c
View File

@ -5194,6 +5194,45 @@ static int cookie_handler(struct nl_msg *msg, void *arg)
} }
static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
unsigned int freq, const u8 *buf,
size_t buf_len, u64 *cookie_out)
{
struct nl_msg *msg;
u64 cookie;
int ret = -1;
msg = nlmsg_alloc();
if (!msg)
return -1;
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
NL80211_CMD_FRAME, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
cookie = 0;
ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
msg = NULL;
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
"(%s)", ret, strerror(-ret));
goto nla_put_failure;
}
wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted; "
"cookie 0x%llx", (long long unsigned int) cookie);
if (cookie_out)
*cookie_out = cookie;
nla_put_failure:
nlmsg_free(msg);
return ret;
}
static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq, static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
const u8 *dst, const u8 *src, const u8 *dst, const u8 *src,
const u8 *bssid, const u8 *bssid,
@ -5202,10 +5241,8 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
struct i802_bss *bss = priv; struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv; struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1; int ret = -1;
struct nl_msg *msg;
u8 *buf; u8 *buf;
struct ieee80211_hdr *hdr; struct ieee80211_hdr *hdr;
u64 cookie;
wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d)", wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d)",
drv->ifindex); drv->ifindex);
@ -5221,44 +5258,14 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
os_memcpy(hdr->addr2, src, ETH_ALEN); os_memcpy(hdr->addr2, src, ETH_ALEN);
os_memcpy(hdr->addr3, bssid, ETH_ALEN); os_memcpy(hdr->addr3, bssid, ETH_ALEN);
if (drv->nlmode == NL80211_IFTYPE_AP) { if (drv->nlmode == NL80211_IFTYPE_AP)
ret = wpa_driver_nl80211_send_mlme(priv, buf, 24 + data_len); ret = wpa_driver_nl80211_send_mlme(priv, buf, 24 + data_len);
else
ret = nl80211_send_frame_cmd(drv, freq, buf, 24 + data_len,
&drv->send_action_cookie);
os_free(buf); os_free(buf);
return ret; return ret;
}
msg = nlmsg_alloc();
if (!msg) {
os_free(buf);
return -1;
}
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
NL80211_CMD_FRAME, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
NLA_PUT(msg, NL80211_ATTR_FRAME, 24 + data_len, buf);
os_free(buf);
buf = NULL;
cookie = 0;
ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
msg = NULL;
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Action command failed: ret=%d "
"(%s)", ret, strerror(-ret));
goto nla_put_failure;
}
wpa_printf(MSG_DEBUG, "nl80211: Action TX command accepted; "
"cookie 0x%llx", (long long unsigned int) cookie);
drv->send_action_cookie = cookie;
ret = 0;
nla_put_failure:
os_free(buf);
nlmsg_free(msg);
return ret;
} }