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sta.c
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/*
* Sigma Control API DUT (station/AP)
* Copyright (c) 2010-2011, Atheros Communications, Inc.
* Copyright (c) 2011-2017, Qualcomm Atheros, Inc.
* Copyright (c) 2018-2021, The Linux Foundation
* All Rights Reserved.
* Licensed under the Clear BSD license. See README for more details.
*/
#include "sigma_dut.h"
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <ctype.h>
#ifdef __linux__
#include <regex.h>
#include <dirent.h>
#include <sys/time.h>
#include <netpacket/packet.h>
#include <linux/if_ether.h>
#ifdef ANDROID
#include <cutils/properties.h>
#include <android/log.h>
#include "keystore_get.h"
#else /* ANDROID */
#include <ifaddrs.h>
#endif /* ANDROID */
#include <netdb.h>
#endif /* __linux__ */
#ifdef __QNXNTO__
#include <net/if_dl.h>
#endif /* __QNXNTO__ */
#include "wpa_ctrl.h"
#include "wpa_helpers.h"
#include "miracast.h"
#include "qca-vendor_copy.h"
#include "nl80211_copy.h"
/* Temporary files for sta_send_addba */
#define VI_QOS_TMP_FILE "/tmp/vi-qos.tmp"
#define VI_QOS_FILE "/tmp/vi-qos.txt"
#define VI_QOS_REFFILE "/etc/vi-qos.txt"
/*
* MTU for Ethernet need to take into account 8-byte SNAP header
* to be added when encapsulating Ethernet frame into 802.11
*/
#ifndef IEEE80211_MAX_DATA_LEN_DMG
#define IEEE80211_MAX_DATA_LEN_DMG 7920
#endif
#ifndef IEEE80211_SNAP_LEN_DMG
#define IEEE80211_SNAP_LEN_DMG 8
#endif
#define NON_PREF_CH_LIST_SIZE 100
#define NEIGHBOR_REPORT_SIZE 1000
#define DEFAULT_NEIGHBOR_BSSID_INFO "17"
#define DEFAULT_NEIGHBOR_PHY_TYPE "1"
#define WIL_DEFAULT_BI 100
/* default remain on channel time for transmitting frames (milliseconds) */
#define WIL_TRANSMIT_FRAME_DEFAULT_ROC 500
#define IEEE80211_P2P_ATTR_DEVICE_ID 3
#define IEEE80211_P2P_ATTR_GROUP_ID 15
/* describes tagged bytes in template frame file */
struct template_frame_tag {
int num;
int offset;
size_t len;
};
extern char *sigma_wpas_ctrl;
extern char *sigma_cert_path;
extern enum driver_type wifi_chip_type;
extern char *sigma_radio_ifname[];
#ifdef __linux__
#define WIL_WMI_MAX_PAYLOAD 248
#define WIL_WMI_ESE_CFG_CMDID 0xa01
#define WIL_WMI_BF_TRIG_CMDID 0x83a
#define WIL_WMI_UNIT_TEST_CMDID 0x900
#define WIL_WMI_P2P_CFG_CMDID 0x910
#define WIL_WMI_START_LISTEN_CMDID 0x914
#define WIL_WMI_DISCOVERY_STOP_CMDID 0x917
struct wil_wmi_header {
uint8_t mid;
uint8_t reserved;
uint16_t cmd;
uint32_t ts;
} __attribute__((packed));
enum wil_wmi_bf_trig_type {
WIL_WMI_SLS,
WIL_WMI_BRP_RX,
WIL_WMI_BRP_TX,
};
struct wil_wmi_bf_trig_cmd {
/* enum wil_wmi_bf_trig_type */
uint32_t bf_type;
/* cid when type == WMI_BRP_RX */
uint32_t sta_id;
uint32_t reserved;
/* mac address when type = WIL_WMI_SLS */
uint8_t dest_mac[6];
} __attribute__((packed));
enum wil_wmi_sched_scheme_advertisment {
WIL_WMI_ADVERTISE_ESE_DISABLED,
WIL_WMI_ADVERTISE_ESE_IN_BEACON,
WIL_WMI_ADVERTISE_ESE_IN_ANNOUNCE_FRAME,
};
enum wil_wmi_ese_slot_type {
WIL_WMI_ESE_SP,
WIL_WMI_ESE_CBAP,
WIL_WMI_ESE_ANNOUNCE_NO_ACK,
};
struct wil_wmi_ese_slot {
/* offset from start of BI in microseconds */
uint32_t tbtt_offset;
uint8_t flags;
/* enum wil_wmi_ese_slot_type */
uint8_t slot_type;
/* duration in microseconds */
uint16_t duration;
/* frame exchange sequence duration, microseconds */
uint16_t tx_op;
/* time between 2 blocks for periodic allocation(microseconds) */
uint16_t period;
/* number of blocks in periodic allocation */
uint8_t num_blocks;
/* for semi-active allocations */
uint8_t idle_period;
uint8_t src_aid;
uint8_t dst_aid;
uint32_t reserved;
} __attribute__((packed));
#define WIL_WMI_MAX_ESE_SLOTS 4
struct wil_wmi_ese_cfg {
uint8_t serial_num;
/* wil_wmi_sched_scheme_advertisment */
uint8_t ese_advertisment;
uint16_t flags;
uint8_t num_allocs;
uint8_t reserved[3];
uint64_t start_tbtt;
/* allocations list */
struct wil_wmi_ese_slot slots[WIL_WMI_MAX_ESE_SLOTS];
} __attribute__((packed));
#define WIL_WMI_UT_FORCE_MCS 6
struct wil_wmi_force_mcs {
/* WIL_WMI_UT_HW_SYSAPI */
uint16_t module_id;
/* WIL_WMI_UT_FORCE_MCS */
uint16_t subtype_id;
/* cid (ignored in oob_mode, affects all stations) */
uint32_t cid;
/* 1 to force MCS, 0 to restore default behavior */
uint32_t force_enable;
/* MCS index, 0-12 */
uint32_t mcs;
} __attribute__((packed));
#define WIL_WMI_UT_HW_SYSAPI 10
#define WIL_WMI_UT_FORCE_RSN_IE 0x29
struct wil_wmi_force_rsn_ie {
/* WIL_WMI_UT_HW_SYSAPI */
uint16_t module_id;
/* WIL_WMI_UT_FORCE_RSN_IE */
uint16_t subtype_id;
/* 0 = no change, 1 = remove if exists, 2 = add if does not exist */
uint32_t state;
} __attribute__((packed));
enum wil_wmi_discovery_mode {
WMI_DISCOVERY_MODE_NON_OFFLOAD,
WMI_DISCOVERY_MODE_OFFLOAD,
WMI_DISCOVERY_MODE_PEER2PEER,
};
struct wil_wmi_p2p_cfg_cmd {
/* enum wil_wmi_discovery_mode */
uint8_t discovery_mode;
/* 0-based (wireless channel - 1) */
uint8_t channel;
/* set to WIL_DEFAULT_BI */
uint16_t bcon_interval;
} __attribute__((packed));
#endif /* __linux__ */
static int get_key_mgmt_capa(struct sigma_dut *dut);
#ifdef ANDROID
static int add_ipv6_rule(struct sigma_dut *dut, const char *ifname);
#define ANDROID_KEYSTORE_GET 'g'
#define ANDROID_KEYSTORE_GET_PUBKEY 'b'
static int android_keystore_get(char cmd, const char *key, unsigned char *val)
{
/* Android 4.3 changed keystore design, so need to use keystore_get() */
#ifndef KEYSTORE_MESSAGE_SIZE
#define KEYSTORE_MESSAGE_SIZE 65535
#endif /* KEYSTORE_MESSAGE_SIZE */
ssize_t len;
uint8_t *value = NULL;
__android_log_print(ANDROID_LOG_DEBUG, "sigma_dut",
"keystore command '%c' key '%s' --> keystore_get",
cmd, key);
len = keystore_get(key, strlen(key), &value);
if (len < 0) {
__android_log_print(ANDROID_LOG_DEBUG, "sigma_dut",
"keystore_get() failed");
return -1;
}
if (len > KEYSTORE_MESSAGE_SIZE)
len = KEYSTORE_MESSAGE_SIZE;
memcpy(val, value, len);
free(value);
return len;
}
#endif /* ANDROID */
#ifdef NL80211_SUPPORT
static int nl80211_sta_set_power_save(struct sigma_dut *dut,
const char *intf,
enum nl80211_ps_state ps_state)
{
struct nl_msg *msg;
int ifindex, ret;
ifindex = if_nametoindex(intf);
if (ifindex == 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"%s: Index for interface %s not found",
__func__, intf);
return -1;
}
msg = nl80211_drv_msg(dut, dut->nl_ctx, ifindex, 0,
NL80211_CMD_SET_POWER_SAVE);
if (!msg) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"%s: err in creating nl80211 msg", __func__);
return -1;
}
if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"%s: err in populating nl80211 msg", __func__);
nlmsg_free(msg);
return -1;
}
ret = send_and_recv_msgs(dut, dut->nl_ctx, msg, NULL, NULL);
if (ret) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"%s: err in send_and_recv_msgs, ret=%d (%s)",
__func__, ret, strerror(-ret));
return -1;
}
return 0;
}
#endif /* NL80211_SUPPORT */
static int set_power_save_wcn(struct sigma_dut *dut, const char *intf, int ps)
{
char buf[100];
#ifdef NL80211_SUPPORT
enum nl80211_ps_state ps_state;
ps_state = ps == 1 ? NL80211_PS_ENABLED : NL80211_PS_DISABLED;
if (nl80211_sta_set_power_save(dut, intf, ps_state) == 0)
return 0;
#endif /* NL80211_SUPPORT */
snprintf(buf, sizeof(buf), "iwpriv %s setPower %d", intf, ps);
if (system(buf) != 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"iwpriv setPower %d failed", ps);
return -1;
}
return 0;
}
int set_ps(const char *intf, struct sigma_dut *dut, int enabled)
{
#ifdef __linux__
char buf[100];
if (wifi_chip_type == DRIVER_WCN) {
if (enabled) {
if (set_power_save_wcn(dut, intf, 1) < 0) {
snprintf(buf, sizeof(buf),
"iwpriv wlan0 dump 906");
if (system(buf) != 0)
goto set_power_save;
}
} else {
if (set_power_save_wcn(dut, intf, 2) < 0) {
snprintf(buf, sizeof(buf),
"iwpriv wlan0 dump 905");
if (system(buf) != 0)
goto set_power_save;
snprintf(buf, sizeof(buf),
"iwpriv wlan0 dump 912");
if (system(buf) != 0)
goto set_power_save;
}
}
return 0;
}
set_power_save:
snprintf(buf, sizeof(buf), "./iw dev %s set power_save %s",
intf, enabled ? "on" : "off");
if (system(buf) != 0) {
snprintf(buf, sizeof(buf), "iw dev %s set power_save %s",
intf, enabled ? "on" : "off");
if (system(buf) != 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"Failed to set power save %s",
enabled ? "on" : "off");
return -1;
}
}
return 0;
#else /* __linux__ */
return -1;
#endif /* __linux__ */
}
#ifdef __linux__
static int wil6210_get_debugfs_dir(struct sigma_dut *dut, char *path,
size_t len)
{
DIR *dir, *wil_dir;
struct dirent *entry;
int ret = -1;
const char *root_path = "/sys/kernel/debug/ieee80211";
dir = opendir(root_path);
if (!dir)
return -2;
while ((entry = readdir(dir))) {
if (strcmp(entry->d_name, ".") == 0 ||
strcmp(entry->d_name, "..") == 0)
continue;
if (snprintf(path, len, "%s/%s/wil6210",
root_path, entry->d_name) >= (int) len) {
ret = -3;
break;
}
wil_dir = opendir(path);
if (wil_dir) {
closedir(wil_dir);
ret = 0;
break;
}
}
closedir(dir);
return ret;
}
static int wil6210_wmi_send(struct sigma_dut *dut, uint16_t command,
void *payload, uint16_t length)
{
struct {
struct wil_wmi_header hdr;
char payload[WIL_WMI_MAX_PAYLOAD];
} __attribute__((packed)) cmd;
char buf[128], fname[128];
size_t towrite, written;
FILE *f;
int res;
if (length > WIL_WMI_MAX_PAYLOAD) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"payload too large(%u, max %u)",
length, WIL_WMI_MAX_PAYLOAD);
return -1;
}
memset(&cmd.hdr, 0, sizeof(cmd.hdr));
cmd.hdr.cmd = command;
memcpy(cmd.payload, payload, length);
if (wil6210_get_debugfs_dir(dut, buf, sizeof(buf))) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to get wil6210 debugfs dir");
return -1;
}
res = snprintf(fname, sizeof(fname), "%s/wmi_send", buf);
if (res < 0 || res >= sizeof(fname))
return -1;
f = fopen(fname, "wb");
if (!f) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to open: %s", fname);
return -1;
}
towrite = sizeof(cmd.hdr) + length;
written = fwrite(&cmd, 1, towrite, f);
fclose(f);
if (written != towrite) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to send wmi %u", command);
return -1;
}
return 0;
}
static int wil6210_get_sta_info_field(struct sigma_dut *dut, const char *bssid,
const char *pattern, unsigned int *field)
{
char buf[128], fname[128];
FILE *f;
regex_t re;
regmatch_t m[2];
int rc, ret = -1, res;
if (wil6210_get_debugfs_dir(dut, buf, sizeof(buf))) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to get wil6210 debugfs dir");
return -1;
}
res = snprintf(fname, sizeof(fname), "%s/stations", buf);
if (res < 0 || res >= sizeof(fname))
return -1;
f = fopen(fname, "r");
if (!f) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to open: %s", fname);
return -1;
}
if (regcomp(&re, pattern, REG_EXTENDED)) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"regcomp failed: %s", pattern);
goto out;
}
/*
* find the entry for the mac address
* line is of the form: [n] 11:22:33:44:55:66 state AID aid
*/
while (fgets(buf, sizeof(buf), f)) {
if (strcasestr(buf, bssid)) {
/* extract the field (CID/AID/state) */
rc = regexec(&re, buf, 2, m, 0);
if (!rc && (m[1].rm_so >= 0)) {
buf[m[1].rm_eo] = 0;
*field = atoi(&buf[m[1].rm_so]);
ret = 0;
break;
}
}
}
regfree(&re);
if (ret)
sigma_dut_print(dut, DUT_MSG_ERROR,
"could not extract field");
out:
fclose(f);
return ret;
}
static int wil6210_get_cid(struct sigma_dut *dut, const char *bssid,
unsigned int *cid)
{
const char *pattern = "\\[([0-9]+)\\]";
return wil6210_get_sta_info_field(dut, bssid, pattern, cid);
}
static int wil6210_send_brp_rx(struct sigma_dut *dut, const char *mac,
int l_rx)
{
struct wil_wmi_bf_trig_cmd cmd;
unsigned int cid;
memset(&cmd, 0, sizeof(cmd));
if (wil6210_get_cid(dut, mac, &cid))
return -1;
cmd.bf_type = WIL_WMI_BRP_RX;
cmd.sta_id = cid;
/* training length (l_rx) is ignored, FW always uses length 16 */
return wil6210_wmi_send(dut, WIL_WMI_BF_TRIG_CMDID,
&cmd, sizeof(cmd));
}
static int wil6210_send_sls(struct sigma_dut *dut, const char *mac)
{
struct wil_wmi_bf_trig_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
if (parse_mac_address(dut, mac, (unsigned char *)&cmd.dest_mac))
return -1;
cmd.bf_type = WIL_WMI_SLS;
return wil6210_wmi_send(dut, WIL_WMI_BF_TRIG_CMDID,
&cmd, sizeof(cmd));
}
int wil6210_set_ese(struct sigma_dut *dut, int count,
struct sigma_ese_alloc *allocs)
{
struct wil_wmi_ese_cfg cmd = { };
int i;
if (count == 0 || count > WIL_WMI_MAX_ESE_SLOTS)
return -1;
if (dut->ap_bcnint <= 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"invalid beacon interval(%d), check test",
dut->ap_bcnint);
return -1;
}
cmd.ese_advertisment = WIL_WMI_ADVERTISE_ESE_IN_BEACON;
cmd.flags = 0x1d;
cmd.num_allocs = count;
for (i = 0; i < count; i++) {
/*
* Convert percent from BI (BI specified in milliseconds)
* to absolute duration in microseconds.
*/
cmd.slots[i].duration =
(allocs[i].percent_bi * dut->ap_bcnint * 1000) / 100;
switch (allocs[i].type) {
case ESE_CBAP:
cmd.slots[i].slot_type = WIL_WMI_ESE_CBAP;
break;
case ESE_SP:
cmd.slots[i].slot_type = WIL_WMI_ESE_SP;
break;
default:
sigma_dut_print(dut, DUT_MSG_ERROR,
"invalid slot type(%d) at index %d",
allocs[i].type, i);
return -1;
}
cmd.slots[i].src_aid = allocs[i].src_aid;
cmd.slots[i].dst_aid = allocs[i].dst_aid;
sigma_dut_print(dut, DUT_MSG_INFO,
"slot %d, duration %u, type %d, srcAID %u dstAID %u",
i, cmd.slots[i].duration,
cmd.slots[i].slot_type, cmd.slots[i].src_aid,
cmd.slots[i].dst_aid);
}
return wil6210_wmi_send(dut, WIL_WMI_ESE_CFG_CMDID, &cmd, sizeof(cmd));
}
int wil6210_set_force_mcs(struct sigma_dut *dut, int force, int mcs)
{
struct wil_wmi_force_mcs cmd = { };
cmd.module_id = WIL_WMI_UT_HW_SYSAPI;
cmd.subtype_id = WIL_WMI_UT_FORCE_MCS;
cmd.force_enable = (uint32_t) force;
cmd.mcs = (uint32_t) mcs;
return wil6210_wmi_send(dut, WIL_WMI_UNIT_TEST_CMDID,
&cmd, sizeof(cmd));
}
static int wil6210_force_rsn_ie(struct sigma_dut *dut, int state)
{
struct wil_wmi_force_rsn_ie cmd = { };
cmd.module_id = WIL_WMI_UT_HW_SYSAPI;
cmd.subtype_id = WIL_WMI_UT_FORCE_RSN_IE;
cmd.state = (uint32_t) state;
return wil6210_wmi_send(dut, WIL_WMI_UNIT_TEST_CMDID,
&cmd, sizeof(cmd));
}
/*
* this function is also used to configure generic remain-on-channel
*/
static int wil6210_p2p_cfg(struct sigma_dut *dut, int freq)
{
struct wil_wmi_p2p_cfg_cmd cmd = { };
int channel = freq_to_channel(freq);
if (channel < 0)
return -1;
cmd.discovery_mode = WMI_DISCOVERY_MODE_NON_OFFLOAD;
cmd.channel = channel - 1;
cmd.bcon_interval = WIL_DEFAULT_BI;
cmd.discovery_mode = WMI_DISCOVERY_MODE_PEER2PEER;
return wil6210_wmi_send(dut, WIL_WMI_P2P_CFG_CMDID,
&cmd, sizeof(cmd));
}
static int wil6210_remain_on_channel(struct sigma_dut *dut, int freq)
{
int ret = wil6210_p2p_cfg(dut, freq);
if (ret)
return ret;
ret = wil6210_wmi_send(dut, WIL_WMI_START_LISTEN_CMDID, NULL, 0);
if (!ret) {
/*
* wait a bit to allow FW to setup the radio
* especially important if we switch channels
*/
usleep(500000);
}
return ret;
}
static int wil6210_stop_discovery(struct sigma_dut *dut)
{
return wil6210_wmi_send(dut, WIL_WMI_DISCOVERY_STOP_CMDID, NULL, 0);
}
static int wil6210_transmit_frame(struct sigma_dut *dut, int freq,
int wait_duration,
const char *frame, size_t frame_len)
{
char buf[128], fname[128];
FILE *f;
int res = 0, r;
size_t written;
if (wil6210_get_debugfs_dir(dut, buf, sizeof(buf))) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to get wil6210 debugfs dir");
return -1;
}
r = snprintf(fname, sizeof(fname), "%s/tx_mgmt", buf);
if (r < 0 || r >= sizeof(fname))
return -1;
if (wil6210_remain_on_channel(dut, freq)) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to listen on channel");
return -1;
}
f = fopen(fname, "wb");
if (!f) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to open: %s", fname);
res = -1;
goto out_stop;
}
written = fwrite(frame, 1, frame_len, f);
fclose(f);
if (written != frame_len) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to transmit frame (got %zd, expected %zd)",
written, frame_len);
res = -1;
goto out_stop;
}
usleep(wait_duration * 1000);
out_stop:
wil6210_stop_discovery(dut);
return res;
}
static int find_template_frame_tag(struct template_frame_tag *tags,
int total_tags, int tag_num)
{
int i;
for (i = 0; i < total_tags; i++) {
if (tag_num == tags[i].num)
return i;
}
return -1;
}
static int replace_p2p_attribute(struct sigma_dut *dut, char *buf, size_t len,
int id, const char *value, size_t val_len)
{
struct wfa_p2p_attribute *attr = (struct wfa_p2p_attribute *) buf;
if (len < 3 + val_len) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"not enough space to replace P2P attribute");
return -1;
}
if (attr->len != val_len) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"attribute length mismatch (need %zu have %hu)",
val_len, attr->len);
return -1;
}
if (attr->id != id) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"incorrect attribute id (expected %d actual %d)",
id, attr->id);
return -1;
}
memcpy(attr->variable, value, val_len);
return 0;
}
static int parse_template_frame_file(struct sigma_dut *dut, const char *fname,
char *buf, size_t *length,
struct template_frame_tag *tags,
size_t *num_tags)
{
char line[512];
FILE *f;
size_t offset = 0, tag_index = 0;
int num, index;
int in_tag = 0, tag_num = 0, tag_offset = 0;
if (*length < sizeof(struct ieee80211_hdr_3addr)) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"supplied buffer is too small");
return -1;
}
f = fopen(fname, "r");
if (!f) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"failed to open template file %s", fname);
return -1;
}
/*
* template file format: lines beginning with # are comments and
* ignored.
* It is possible to tag bytes in the frame to make it easy
* to replace fields in the template, espcially if they appear
* in variable-sized sections (such as IEs)
* This is done by a line beginning with $NUM where NUM is an integer
* tag number. It can be followed by space(s) and comment.
* The next line is considered the tagged bytes. The parser will fill
* the tag number, offset and length of the tagged bytes.
* rest of the lines contain frame bytes as sequence of hex digits,
* 2 digits for each byte. Spaces are allowed between bytes.
* On bytes lines only hex digits and spaces are allowed
*/
while (!feof(f)) {
if (!fgets(line, sizeof(line), f))
break;
index = 0;
while (isspace((unsigned char) line[index]))
index++;
if (!line[index] || line[index] == '#')
continue;
if (line[index] == '$') {
if (tags) {
index++;
tag_num = strtol(&line[index], NULL, 0);
tag_offset = offset;
in_tag = 1;
}
continue;
}
while (line[index]) {
if (isspace((unsigned char) line[index])) {
index++;
continue;
}
num = hex_byte(&line[index]);
if (num < 0)
break;
buf[offset++] = num;
if (offset == *length)
goto out;
index += 2;
}
if (in_tag) {
if (tag_index < *num_tags) {
tags[tag_index].num = tag_num;
tags[tag_index].offset = tag_offset;
tags[tag_index].len = offset - tag_offset;
tag_index++;
} else {
sigma_dut_print(dut, DUT_MSG_INFO,
"too many tags, tag ignored");
}
in_tag = 0;
}
}
if (num_tags)
*num_tags = tag_index;
out:
fclose(f);
if (offset < sizeof(struct ieee80211_hdr_3addr)) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"template frame is too small");
return -1;
}
*length = offset;
return 0;
}
#endif /* __linux__ */
static void static_ip_file(int proto, const char *addr, const char *mask,
const char *gw)
{
if (proto) {
FILE *f = fopen("static-ip", "w");
if (f) {
fprintf(f, "%d %s %s %s\n", proto, addr,
mask ? mask : "N/A",
gw ? gw : "N/A");
fclose(f);
}
} else {
unlink("static-ip");
}
}
static int send_neighbor_request(struct sigma_dut *dut, const char *intf,
const char *ssid)
{
char buf[100];
int ret = 0;
/* Use wpa_supplicant to send neighbor report request */
snprintf(buf, sizeof(buf), "NEIGHBOR_REP_REQUEST ssid=\"%s\"",
ssid);
ret = wpa_command(intf, buf);
if (ret == 0) {
sigma_dut_print(dut, DUT_MSG_INFO,
"Neighbor report request sent through wpa_command");
return 0;
}
#ifdef __linux__
sigma_dut_print(dut, DUT_MSG_INFO,
"wpa_command failed, ret:%d; fall back to iwpriv", ret);
snprintf(buf, sizeof(buf), "iwpriv %s neighbor %s",
intf, ssid);
sigma_dut_print(dut, DUT_MSG_INFO, "Request: %s", buf);
if (system(buf) != 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"iwpriv neighbor request failed");
return -1;
}
sigma_dut_print(dut, DUT_MSG_INFO, "iwpriv neighbor request send");
return 0;
#else /* __linux__ */
return -1;
#endif /* __linux__ */
}
static int send_trans_mgmt_query(struct sigma_dut *dut, const char *intf,
struct sigma_cmd *cmd)
{
const char *val;
int reason_code = 0;
char buf[1024];
/*
* In the earlier builds we used WNM_QUERY and in later
* builds used WNM_BSS_QUERY.
*/
val = get_param(cmd, "BTMQuery_Reason_Code");
if (val)
reason_code = atoi(val);
val = get_param(cmd, "Cand_List");
if (val && atoi(val) == 1 && dut->btm_query_cand_list) {
snprintf(buf, sizeof(buf), "WNM_BSS_QUERY %d%s", reason_code,
dut->btm_query_cand_list);
free(dut->btm_query_cand_list);
dut->btm_query_cand_list = NULL;
} else {
snprintf(buf, sizeof(buf), "WNM_BSS_QUERY %d", reason_code);
}
if (wpa_command(intf, buf) != 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"transition management query failed");
return -1;
}
sigma_dut_print(dut, DUT_MSG_DEBUG,
"transition management query sent");
return 0;
}
int is_ip_addr(const char *str)
{
const char *pos = str;
struct in_addr addr;
while (*pos) {
if (*pos != '.' && (*pos < '0' || *pos > '9'))
return 0;
pos++;
}
return inet_aton(str, &addr);
}
int get_ip_config(struct sigma_dut *dut, const char *ifname, char *buf,
size_t buf_len)
{
char tmp[256];
char ip[16], mask[15], dns[16], sec_dns[16];
int is_dhcp = 0;
int s;
#ifdef ANDROID
char prop[PROPERTY_VALUE_MAX];
#else /* ANDROID */
FILE *f;
#ifdef __linux__
const char *str_ps;
#endif /* __linux__ */
#endif /* ANDROID */
ip[0] = '\0';
mask[0] = '\0';
dns[0] = '\0';
sec_dns[0] = '\0';
s = socket(PF_INET, SOCK_DGRAM, 0);
if (s >= 0) {
struct ifreq ifr;
struct sockaddr_in saddr;