weatherstation/firmware/libraries/WiFi/extras/wifiHD/src/util.c
Kai Lauterbach 0cf171093b Libraries
2022-05-09 09:34:49 +02:00

261 lines
7.4 KiB
C
Executable file

/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
/*! \page License
* Copyright (C) 2009, H&D Wireless AB All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of H&D Wireless AB may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY H&D WIRELESS AB ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <top_defs.h>
#include <util.h>
#include <stdint.h>
#include <stdlib.h>
#include <wl_api.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <printf-stdarg.h>
const char* ip2str(struct ip_addr addr)
{
static char buf[16];
#if BYTE_ORDER == LITTLE_ENDIAN
sniprintf(buf, sizeof(buf), "%lu.%lu.%lu.%lu",
addr.addr & 0xff,
(addr.addr >> 8) & 0xff,
(addr.addr >> 16) & 0xff,
(addr.addr >> 24) & 0xff);
return buf;
#else
sniprintf(buf, sizeof(buf), "%lu.%lu.%lu.%lu",
(addr.addr >> 24) & 0xff,
(addr.addr >> 16) & 0xff,
(addr.addr >> 8) & 0xff,
(addr.addr) & 0xff);
return buf;
#endif
}
struct ip_addr str2ip(const char* str)
{
int a,b,c,d;
uint32_t ip = 0;
struct ip_addr addr;
if (siscanf(str,"%d.%d.%d.%d",&a,&b,&c,&d) != 4)
goto out;
if (a < 0 || a > 255 || b < 0 || b > 255 ||
c < 0 || c > 255 || d < 0 || d > 255) {
goto out;
}
#if BYTE_ORDER == LITTLE_ENDIAN
ip = (d << 24) | (c << 16) | (b << 8) | a;
#else
ip = (a << 24) | (b << 16) | (c << 8) | d;
#endif
out:
addr.addr = ip;
return addr;
}
uint8_t ascii_to_key(char *outp, const char *inp) {
char buf[3];
int len;
buf[2] = '\0';
len = strlen(inp);
if (len % 2) {
printk("Invalid length\n");
}
len = 0;
while (*inp) {
if (! isxdigit(*inp) || ! isxdigit(*(inp+1)) ||
len > WL_MAX_PASS_LEN) {
return 0;
}
buf[0] = *inp++;
buf[1] = *inp++;
*outp++ = strtol(buf, NULL, 16);
len++;
}
return len;
}
void printbuf(const char *prefix, const void *data, size_t len)
{
const unsigned char *s = data;
int i, j;
for (i = 0; i < len; i += 16)
{
printk("%s ", prefix);
for(j = 0; j < 16; j++) {
if(i + j >= len)
printk(" ");
else
printk("%02X ", (uint16_t)s[i + j]);
}
printk(": ");
for(j = 0; j < 16; j++) {
if(i + j >= len)
break;
if(s[i+j] >= 32 && s[i+j] < 127)
printk("%c", s[i + j]);
else
printk(".");
}
printk("\n");
}
}
void print_network(struct wl_network_t* wl_network)
{
printk("%s ", mac2str(wl_network->bssid.octet));
printk("\"%s\"", ssid2str(&wl_network->ssid));
printk(" RSSI %d dBm ", wl_network->rssi);
switch(wl_network->net_type) {
case WL_CONN_TYPE_ADHOC:
printk(" Ad-Hoc ");
break;
default :
break;
}
switch (wl_network->enc_type) {
case ENC_TYPE_WEP :
printk(" (WEP encryption)");
break;
case ENC_TYPE_TKIP :
printk(" (TKIP encryption)");
break;
case ENC_TYPE_CCMP :
printk(" (CCMP encryption)");
break;
case ENC_TYPE_NONE :
break;
}
printk("\n");
}
void print_network_list(void)
{
struct wl_network_list_t* wl_network_list;
uint8_t i;
wl_get_network_list(&wl_network_list);
if (wl_network_list->cnt == 0)
printk("no nets found\n");
for (i = 0; i < wl_network_list->cnt; i++)
print_network(wl_network_list->net[i]);
}
int join_argv(char *dst, size_t dst_len, int argc, char* argv[]) {
char *p = dst;
int i;
int len = 0;
/* Not really kosher, an ssid may legally contain 0-bytes but
* the console interface does not deal with that.
*/
for (i = 0; i < argc; i++) {
len += strlen(argv[i]);
if (len > dst_len) {
printk("ssid too long (max %d)\n", (int) dst_len);
return 0;
}
p += sniprintf(p,
dst_len - (p - dst),
"%s ",
argv[i]);
}
if (p == dst) {
return 0;
}
p--;
*p = '\0'; /* Delete last space */
return p - dst;
}
const char* ssid2str(struct wl_ssid_t *ssid) {
static char buf[WL_SSID_MAX_LENGTH + 1];
memset(buf, 0, sizeof buf);
memcpy(buf, ssid->ssid, ssid->len);
return buf;
}
const char* mac2str(uint8_t* mac)
{
static char buf[18];
sniprintf(buf, sizeof(buf), "%02x-%02x-%02x-%02x-%02x-%02x",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return buf;
}
char* enc_type2str(enum wl_enc_type enc_type)
{
switch(enc_type) {
case ENC_TYPE_WEP:
return "WEP";
case ENC_TYPE_CCMP:
return "CCMP";
case ENC_TYPE_TKIP:
return "TKIP";
default:
return "";
};
}
int equal_ssid(const struct wl_ssid_t* ssid1,
const struct wl_ssid_t* ssid2) {
if (ssid1->len == ssid2->len &&
(memcmp(ssid1->ssid, ssid2->ssid, ssid1->len) == 0)) {
return 1;
}
return 0;
}
int equal_bssid(const struct wl_mac_addr_t* bssid1,
const struct wl_mac_addr_t* bssid2) {
if (memcmp(bssid1, bssid2, sizeof *bssid1) == 0) {
return 1;
}
return 0;
}