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Adds support for displaying the currently connected ssid if run with only

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device as argument. Contributed by Alex Botero-Lowry. Testing needed. 
Attempted to conform to the coding style checked via checkstlye; additional
feedback is appreciated.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36092 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matt Madia 2010-04-08 19:53:09 +00:00
parent 9d3e718801
commit 4c5da317dc
1 changed files with 120 additions and 22 deletions
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142
src/bin/network/setwep/setwep.c
View File

@ -5,8 +5,9 @@
*
* Many parts
*
* Copyright 2001 The Aerospace Corporation. All rights reserved.
* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. All rights reserved.
* Copyright 2001 The Aerospace Corporation.
* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
* Distributed under the terms of the 2-clause BSD license.
*
* Authors:
@ -33,9 +34,9 @@
static const char*
get_string(const char* val, const char* sep, u_int8_t* buf, int* lenp)
{
int len;
int hexstr;
u_int8_t* p;
int len;
int hexstr;
u_int8_t* p;
len = *lenp;
p = buf;
@ -55,15 +56,13 @@ get_string(const char* val, const char* sep, u_int8_t* buf, int* lenp)
return NULL;
}
if (!isxdigit((u_char) val[1])) {
printf("%s: odd count hexadecimal digits",
__func__);
printf("%s: odd count hexadecimal digits", __func__);
return NULL;
}
}
if (p >= buf + len) {
if (hexstr)
printf("%s: hexadecimal digits too long",
__func__);
printf("%s: hexadecimal digits too long", __func__);
else
printf("string too long", __func__);
return NULL;
@ -74,16 +73,18 @@ get_string(const char* val, const char* sep, u_int8_t* buf, int* lenp)
| tohex((u_char) val[1]);
#undef tohex
val += 2;
} else
} else {
*p++ = *val++;
}
}
len = p - buf;
/* The string "-" is treated as the empty string. */
if (!hexstr && len == 1 && buf[0] == '-') {
len = 0;
memset(buf, 0, *lenp);
} else if (len < *lenp)
} else if (len < *lenp) {
memset(p, 0, *lenp - len);
}
*lenp = len;
return val;
}
@ -108,8 +109,8 @@ set80211(int s, const char* dev, int type, int val, int len, void* data)
static void
set80211ssid(const char* dev, const char* val, int s)
{
int ssid;
int len;
int ssid;
int len;
u_int8_t data[IEEE80211_NWID_LEN];
ssid = 0;
@ -130,8 +131,9 @@ set80211ssid(const char* dev, const char* val, int s)
static void
set80211nwkey(const char* dev, const char* val, int s)
{
int txkey;
int i, len;
int txkey;
int i;
int len;
u_int8_t data[IEEE80211_KEYBUF_SIZE];
set80211(s, dev, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
@ -166,26 +168,122 @@ set80211nwkey(const char* dev, const char* val, int s)
}
static int
get80211val(int s, const char* dev, int type, int* val)
{
struct ieee80211req ireq;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, dev, sizeof(ireq.i_name));
ireq.i_type = type;
if (ioctl(s, SIOCG80211, &ireq) < 0)
return -1;
*val = ireq.i_val;
return 0;
}
static int
getid(int s, const char* dev, int ix, void* data, size_t len, int* plen,
int mesh)
{
struct ieee80211req ireq;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, dev, sizeof(ireq.i_name));
ireq.i_type = (!mesh) ? IEEE80211_IOC_SSID : IEEE80211_IOC_MESH_ID;
ireq.i_val = ix;
ireq.i_data = data;
ireq.i_len = len;
if (ioctl(s, SIOCG80211, &ireq) < 0)
return -1;
*plen = ireq.i_len;
return 0;
}
static void
print_string(const u_int8_t* buf, int len)
{
int i;
int hasspc;
i = 0;
hasspc = 0;
for (; i < len; i++) {
if (!isprint(buf[i]) && buf[i] != '\0')
break;
if (isspace(buf[i]))
hasspc++;
}
if (i == len) {
if (hasspc || len == 0 || buf[0] == '\0')
printf("\"%.*s\"", len, buf);
else
printf("%.*s", len, buf);
} else {
printf("0x");
for (i = 0; i < len; i++)
printf("%02x", buf[i]);
}
}
static void
show_status(const char* dev, int s)
{
int len;
int i;
int num;
uint8_t data[32];
if (getid(s, dev, -1, data, sizeof(data), &len, 0) < 0) {
fprintf(stderr, "error: not a wifi device\n");
exit(1);
}
if (get80211val(s, dev, IEEE80211_IOC_NUMSSIDS, &num) < 0)
num = 0;
printf("ssid ");
if (num > 1) {
for (i = 0; i < num; i++) {
if (getid(s, dev, i, data, sizeof(data), &len, 0) >= 0
&& len > 0) {
printf(" %d:", i + 1);
print_string(data, len);
}
}
} else {
print_string(data, len);
}
}
void
usage()
{
fprintf(stderr, "usage: setwep device_path ssid [key]\n");
fprintf(stderr, "usage: setwep device_path [ssid] [key]\n");
exit(1);
}
int
main(int argc, char **argv)
main(int argc, char** argv)
{
int s = socket(AF_INET, SOCK_DGRAM, 0);
if (argc < 3) {
if (argc < 2)
usage();
}
set80211ssid(argv[1], argv[2], s);
if (argc == 4) {
if (argc == 2)
show_status(argv[1], s);
if (argc > 3)
set80211ssid(argv[1], argv[2], s);
if (argc == 4)
set80211nwkey(argv[1], argv[3], s);
}
return 0;
}