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libs/iwinfo: fixes for wpa/wep detection in wifi scan

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This commit is contained in:
Jo-Philipp Wich 2009-08-24 13:31:20 +00:00
parent 12f582bcc7
commit 335e519dd6
3 changed files with 30 additions and 24 deletions
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6
libs/iwinfo/src/iwinfo.h
View file

@ -37,9 +37,9 @@ struct iwinfo_txpwrlist_entry {
struct iwinfo_crypto_entry {
uint8_t enabled;
uint8_t wpa_version;
uint8_t group_ciphers[8];
uint8_t pair_ciphers[8];
uint8_t auth_suites[8];
uint8_t group_ciphers;
uint8_t pair_ciphers;
uint8_t auth_suites;
};
struct iwinfo_scanlist_entry {

19
libs/iwinfo/src/iwinfo_lualib.c
View file

@ -133,7 +133,7 @@ static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int
e->mac[3], e->mac[4], e->mac[5]);
lua_pushstring(L, macstr);
lua_setfield(L, -2, "mac");
lua_setfield(L, -2, "bssid");
/* ESSID */
if( e->ssid[0] )
@ -152,12 +152,15 @@ static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int
/* Crypto */
lua_pushinteger(L, e->crypto.wpa_version);
lua_setfield(L, -2, "wpa_version");
lua_setfield(L, -2, "wpa");
lua_pushboolean(L, (!e->crypto.wpa_version && e->crypto.enabled));
lua_setfield(L, -2, "wep");
lua_newtable(L);
for( j = 0, y = 1; j < sizeof(e->crypto.group_ciphers); j++ )
for( j = 0, y = 1; j < 8; j++ )
{
if( e->crypto.group_ciphers[j] )
if( e->crypto.group_ciphers & (1<<j) )
{
lua_pushstring(L, (j < IW_IE_CYPHER_NUM)
? iw_ie_cypher_name[j] : "Proprietary");
@ -168,9 +171,9 @@ static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int
lua_setfield(L, -2, "group_ciphers");
lua_newtable(L);
for( j = 0, y = 1; j < sizeof(e->crypto.pair_ciphers); j++ )
for( j = 0, y = 1; j < 8; j++ )
{
if( e->crypto.pair_ciphers[j] )
if( e->crypto.pair_ciphers & (1<<j) )
{
lua_pushstring(L, (j < IW_IE_CYPHER_NUM)
? iw_ie_cypher_name[j] : "Proprietary");
@ -181,9 +184,9 @@ static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int
lua_setfield(L, -2, "pair_ciphers");
lua_newtable(L);
for( j = 0, y = 1; j < sizeof(e->crypto.auth_suites); j++ )
for( j = 0, y = 1; j < 8; j++ )
{
if( e->crypto.auth_suites[j] )
if( e->crypto.auth_suites & (1<<j) )
{
lua_pushstring(L, (j < IW_IE_KEY_MGMT_NUM)
? iw_ie_key_mgmt_name[j] : "Proprietary");

29
libs/iwinfo/src/iwinfo_wext_scan.c
View file

@ -284,20 +284,23 @@ static inline void wext_fill_wpa(unsigned char *iebuf, int buflen, struct iwinfo
if(ielen < (offset + 4))
{
ce->group_ciphers[2] = 1; /* TKIP */
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[7] = 1; /* Proprietary */
ce->group_ciphers |= (1<<7); /* Proprietary */
else
ce->group_ciphers[iebuf[offset+3]] = 1;
ce->group_ciphers |= (1<<iebuf[offset+3]);
offset += 4;
if(ielen < (offset + 2))
{
ce->pair_ciphers[2] = 1; /* TKIP */
ce->pair_ciphers |= (1<<2); /* TKIP */
ce->auth_suites |= (1<<2); /* PSK */
return;
}
@ -312,9 +315,9 @@ static inline void wext_fill_wpa(unsigned char *iebuf, int buflen, struct iwinfo
for(i = 0; i < cnt; i++)
{
if(memcmp(&iebuf[offset], wpa_oui, 3) != 0)
ce->pair_ciphers[7] = 1; /* Proprietary */
ce->pair_ciphers |= (1<<7); /* Proprietary */
else if(iebuf[offset+3] <= IW_IE_CYPHER_NUM)
ce->pair_ciphers[iebuf[offset+3]] = 1;
ce->pair_ciphers |= (1<<iebuf[offset+3]);
//else
// ce->pair_ciphers[ce->pair_cipher_num++] = 255; /* Unknown */
@ -336,9 +339,9 @@ static inline void wext_fill_wpa(unsigned char *iebuf, int buflen, struct iwinfo
for(i = 0; i < cnt; i++)
{
if(memcmp(&iebuf[offset], wpa_oui, 3) != 0)
ce->auth_suites[7] = 1; /* Proprietary */
ce->auth_suites |= (1<<7); /* Proprietary */
else if(iebuf[offset+3] <= IW_IE_KEY_MGMT_NUM)
ce->auth_suites[iebuf[offset+3]] = 1;
ce->auth_suites |= (1<<iebuf[offset+3]);
//else
// ce->auth_suites[ce->auth_suite_num++] = 255; /* Unknown */
@ -467,7 +470,7 @@ int wext_get_scanlist(const char *ifname, char *buf, int *len)
struct timeval tv; /* Select timeout */
int timeout = 15000000; /* 15s */
int _len = 0;
int entrylen = 0;
struct iwinfo_scanlist_entry e;
//IWINFO_BUFSIZE
@ -610,10 +613,10 @@ int wext_get_scanlist(const char *ifname, char *buf, int *len)
{
first = 0;
}
else if( (_len + sizeof(struct iwinfo_scanlist_entry)) <= IWINFO_BUFSIZE )
else if( (entrylen + sizeof(struct iwinfo_scanlist_entry)) <= IWINFO_BUFSIZE )
{
memcpy(&buf[_len], &e, sizeof(struct iwinfo_scanlist_entry));
_len += sizeof(struct iwinfo_scanlist_entry);
memcpy(&buf[entrylen], &e, sizeof(struct iwinfo_scanlist_entry));
entrylen += sizeof(struct iwinfo_scanlist_entry);
}
else
{
@ -630,7 +633,7 @@ int wext_get_scanlist(const char *ifname, char *buf, int *len)
} while(ret > 0);
free(buffer);
*len = _len;
*len = entrylen;
return 0;
}