#include <airpcap.h>
#include "airpcap_loader.h"
+/* AirPDcap */
+#include "../airpdcap/airpdcap_ws.h"
+
/*
* We load dinamically the dag library in order link it only when
* it's present on the system
*/
static HMODULE AirpcapLib = NULL;
+/*
+ * Set to TRUE if the DLL was successfully loaded AND all functions
+ * are present.
+ */
+static gboolean AirpcapLoaded = FALSE;
+
static AirpcapGetLastErrorHandler g_PAirpcapGetLastError;
static AirpcapGetDeviceListHandler g_PAirpcapGetDeviceList;
static AirpcapFreeDeviceListHandler g_PAirpcapFreeDeviceList;
static AirpcapSetFcsValidationHandler g_PAirpcapSetFcsValidation;
static AirpcapGetDeviceKeysHandler g_PAirpcapGetDeviceKeys;
static AirpcapSetDeviceKeysHandler g_PAirpcapSetDeviceKeys;
+static AirpcapGetDriverKeysHandler g_PAirpcapGetDriverKeys;
+static AirpcapSetDriverKeysHandler g_PAirpcapSetDriverKeys;
static AirpcapGetDecryptionStateHandler g_PAirpcapGetDecryptionState;
static AirpcapSetDecryptionStateHandler g_PAirpcapSetDecryptionState;
+static AirpcapGetDriverDecryptionStateHandler g_PAirpcapGetDriverDecryptionState;
+static AirpcapSetDriverDecryptionStateHandler g_PAirpcapSetDriverDecryptionState;
static AirpcapStoreCurConfigAsAdapterDefaultHandler g_PAirpcapStoreCurConfigAsAdapterDefault;
static AirpcapGetVersionHandler g_PAirpcapGetVersion;
/* WLAN preferences pointer */
module_t *wlan_prefs = NULL;
-/* Callback used by the load_wlan_keys() routine in order to read a WEP decryption key */
+/*
+ * Callback used by the load_wlan_keys() routine in order to read a WEP decryption key
+ */
static guint
get_wep_key(pref_t *pref, gpointer ud _U_)
{
decryption_key_t* new_key;
/* Retrieve user data info */
-user_data = (keys_cb_data_t*)ud;
+user_data = (keys_cb_data_t*)ud;
if (g_strncasecmp(pref->name, "wep_key", 7) == 0 && pref->type == PREF_STRING)
{
my_string = g_strdup(*pref->varp.string);
-
- if( my_string != NULL)
+
+ /* Here we have the string describing the key... */
+ new_key = parse_key_string(my_string);
+
+ if( new_key != NULL)
{
/* Key is added only if not null ... */
- if( (g_strcasecmp(my_string,"") != 0) && (wep_key_is_valid(my_string)))
- {
- new_key = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
-
- new_key->key = g_string_new(my_string);
- g_free(my_string);
-
- new_key->bits = new_key->key->len * 4;
-
- new_key->type = AIRPCAP_KEYTYPE_WEP;
-
- new_key->ssid = NULL;
-
user_data->list = g_list_append(user_data->list,new_key);
user_data->number_of_keys++;
user_data->current_index++;
}
}
- }
return 0;
}
-/* Callback used by the load_wlan_keys() routine in order to read a WPA decryption key */
-static guint
-get_wpa_key(pref_t *pref, gpointer ud _U_)
-{
-return 1;
-}
-
-/* Callback used by the load_wlan_keys() routine in order to read a WPA2 decryption key */
-static guint
-get_wpa2_key(pref_t *pref, gpointer ud _U_)
-{
-return 1;
-}
-
/* Returs TRUE if the WEP key is valid, false otherwise */
gboolean
wep_key_is_valid(char* key)
{
GString *new_key_string;
-gint i=0;
+guint i=0;
if(key == NULL)
return FALSE;
keys_cb_data_t* user_data;
gint wep_key_number = 0;
+decryption_key_t* new_key;
+
/* Retrieve user data info */
-user_data = (keys_cb_data_t*)ud;
+user_data = (keys_cb_data_t*)ud;
if (g_strncasecmp(pref->name, "wep_key", 7) == 0 && pref->type == PREF_STRING)
{
/* Ok, the pref we're gonna set is a wep_key ... but what number? */
sscanf(pref->name,"wep_key%d",&wep_key_number);
-
+
if(user_data->current_index < user_data->number_of_keys)
{
if(wep_key_number == (user_data->current_index+1))
{
- my_string = g_strdup((char*)g_list_nth_data(user_data->list,user_data->current_index));
-
+ /* Retrieve the nth decryption_key_t structure pointer */
+ new_key = (decryption_key_t*)g_list_nth_data(user_data->list,user_data->current_index);
+
+ /* Free the old key string */
g_free((void *)*pref->varp.string);
- *pref->varp.string = (void *)g_strdup(my_string);
-
+
+ /* Create the new string describing the decryption key */
+ my_string = get_key_string(new_key);
+
+ /* Duplicate the string, and assign it to the variable pointer */
+ *pref->varp.string = (void *)g_strdup(my_string);
+
+ /* Free the previously allocated string */
g_free(my_string);
}
}
- else /* If the number of keys has been reduced somehow, we need to delete all the other keys
+ else /* If the number of keys has been reduced somehow, we need to delete all the other keys
* (remember that the new ones have been probably overwritten)
*/
{
* properly into the airpcap adapter.
*/
BOOL
-load_wlan_wep_keys(airpcap_if_info_t* info_if)
+load_wlan_driver_wep_keys()
{
keys_cb_data_t* user_data;
guint i;
gchar *tmp = NULL;
-
-if(info_if == NULL) return FALSE;
/* Retrieve the wlan preferences */
wlan_prefs = prefs_find_module("wlan");
/* Now the key list should be filled */
-/*
+/*
* Signal that we've changed things, and run the 802.11 dissector's
- * callback
+ * callback
*/
wlan_prefs->prefs_changed = TRUE;
prefs_apply(wlan_prefs);
-write_wlan_wep_keys_to_regitry(info_if,user_data->list);
+write_wlan_driver_wep_keys_to_regitry(user_data->list);
/* FREE MEMORY */
/* free the WEP key string */
/* free the user_data structure */
g_free(user_data);
+/* airpcap_if_info_free(fake_info_if); */
+
return TRUE;
}
gchar s[3];
PAirpcapKeysCollection KeysCollection;
ULONG KeysCollectionSize;
-UCHAR KeyByte;
+UCHAR KeyByte;
UINT keys_in_list = 0;
decryption_key_t* key_item = NULL;
/*
* Allocate the collection
*/
-KeysCollection = (PAirpcapKeysCollection)malloc(KeysCollectionSize);
+KeysCollection = (PAirpcapKeysCollection)g_malloc(KeysCollectionSize);
if(!KeysCollection)
{
return FALSE;
for(i = 0; i < keys_in_list; i++)
{
- KeysCollection->Keys[i].KeyType = AIRPCAP_KEYTYPE_WEP;
+ KeysCollection->Keys[i].KeyType = AIRPDCAP_KEY_TYPE_WEP;
/* Retrieve the Item corresponding to the i-th key */
key_item = (decryption_key_t*)g_list_nth_data(key_list,i);
new_key = g_string_new(key_item->key->str);
-
+
KeysCollection->Keys[i].KeyLen = new_key->len / 2;
memset(&KeysCollection->Keys[i].KeyData, 0, sizeof(KeysCollection->Keys[i].KeyData));
KeyByte = (UCHAR)strtol(s, NULL, 16);
KeysCollection->Keys[i].KeyData[j / 2] = KeyByte;
}
-
- g_string_free(new_key,TRUE);
-}
+ g_string_free(new_key,TRUE);
+
+}
/*
* Free the old adapter key collection!
*/
return TRUE;
}
+/*
+ * This function will tell the airpcap driver the key list to use
+ * This will be stored into the registry...
+ */
+BOOL
+write_wlan_driver_wep_keys_to_regitry(GList* key_list)
+{
+UINT i,j,k,n,y;
+GString *new_key;
+gchar s[3];
+PAirpcapKeysCollection KeysCollection;
+ULONG KeysCollectionSize;
+UCHAR KeyByte;
+UINT keys_in_list = 0;
+decryption_key_t* key_item = NULL;
+airpcap_if_info_t* fake_info_if = NULL;
+
+/* Create the fake_info_if from the first adapter of the list */
+fake_info_if = airpcap_driver_fake_if_info_new();
+
+if(fake_info_if == NULL)
+ return FALSE;
+
+/*
+ * XXX - When WPA will be supported, change this to: keys_in_list = g_list_length(key_list);
+ * but right now we will have to count only the WEP keys (or we will have a malloc-mess :-) )
+ */
+n = g_list_length(key_list);
+for(k = 0; k < n; k++ )
+ if(((decryption_key_t*)g_list_nth_data(key_list,k))->type == AIRPDCAP_KEY_TYPE_WEP)
+ keys_in_list++;
+
+/*
+ * Save the encryption keys, if we have any of them
+ */
+KeysCollectionSize = 0;
+
+/*
+ * Calculate the size of the keys collection
+ */
+KeysCollectionSize = sizeof(AirpcapKeysCollection) + keys_in_list * sizeof(AirpcapKey);
+
+/*
+ * Allocate the collection
+ */
+KeysCollection = (PAirpcapKeysCollection)g_malloc(KeysCollectionSize);
+if(!KeysCollection)
+{
+ return FALSE;
+}
+
+/*
+ * Populate the key collection
+ */
+KeysCollection->nKeys = keys_in_list;
+
/*
+ * XXX - If we have, let's say, six keys, the first three are WEP, then two are WPA, and the
+ * last is WEP, we have to scroll the whole list (n) but increment the array counter only
+ * when a WEP key is found (y) .. When WPA will be supported by the driver, I'll have to change
+ * this
+ */
+y = 0; /* Current position in the key list */
+
+for(i = 0; i < n; i++)
+{
+ /* Retrieve the Item corresponding to the i-th key */
+ key_item = (decryption_key_t*)g_list_nth_data(key_list,i);
+
+ /*
+ * XXX - The AIRPDCAP_KEY_TYPE_WEP is the only supportd right now!
+ * We will have to modify the AirpcapKey structure in order to
+ * support the other two types! What happens now, is that simply the
+ * not supported keys will just be discarded (they will be saved in wireshark though)
+ */
+ if(key_item->type == AIRPDCAP_KEY_TYPE_WEP)
+ {
+ KeysCollection->Keys[y].KeyType = AIRPDCAP_KEY_TYPE_WEP;
+
+ new_key = g_string_new(key_item->key->str);
+
+ KeysCollection->Keys[y].KeyLen = new_key->len / 2;
+ memset(&KeysCollection->Keys[y].KeyData, 0, sizeof(KeysCollection->Keys[y].KeyData));
+
+ for(j = 0 ; j < new_key->len; j += 2)
+ {
+ s[0] = new_key->str[j];
+ s[1] = new_key->str[j+1];
+ s[2] = '\0';
+ KeyByte = (UCHAR)strtol(s, NULL, 16);
+ KeysCollection->Keys[y].KeyData[j / 2] = KeyByte;
+ }
+ /* XXX - Change when WPA will be supported!!! */
+ y++;
+ g_string_free(new_key,TRUE);
+}
+ else if(key_item->type == AIRPDCAP_KEY_TYPE_WPA_PWD)
+ {
+ /* XXX - The driver cannot deal with this kind of key yet... */
+ }
+ else if(key_item->type == AIRPDCAP_KEY_TYPE_WPA_PMK)
+ {
+ /* XXX - The driver cannot deal with this kind of key yet... */
+ }
+}
+
+/*
+ * Free the old adapter key collection!
+ */
+if(fake_info_if->keysCollection != NULL)
+ g_free(fake_info_if->keysCollection);
+
+/*
+ * Set this collection ad the new one
+ */
+fake_info_if->keysCollection = KeysCollection;
+fake_info_if->keysCollectionSize = KeysCollectionSize;
+
+/*
+ * Configuration must be saved
+ */
+fake_info_if->saved = FALSE;
+
+/*
+ * Write down the changes to the registry
+ */
+airpcap_save_driver_if_configuration(fake_info_if);
+
+airpcap_if_info_free(fake_info_if);
+
+return TRUE;
+}
+
+/*
* Function used to save to the preference file the Decryption Keys.
*/
-gboolean
-save_wlan_wep_keys(airpcap_if_info_t* info_if)
+int
+save_wlan_driver_wep_keys()
{
GList* key_list = NULL;
char* tmp_key = NULL;
guint keys_in_list,i;
keys_cb_data_t* user_data;
-
-if(info_if == NULL) return FALSE;
+airpcap_if_info_t* fake_info_if = NULL;
+
+/* Create the fake_info_if from the first adapter of the list */
+fake_info_if = airpcap_driver_fake_if_info_new();
+
+if(fake_info_if == NULL)
+ return FALSE;
/* Retrieve the wlan preferences */
wlan_prefs = prefs_find_module("wlan");
user_data = (keys_cb_data_t*)g_malloc(sizeof(keys_cb_data_t));
/* Number of keys in key list */
-keys_in_list = (info_if->keysCollectionSize - sizeof(AirpcapKeysCollection))/sizeof(AirpcapKey);
+/* Number of keys in key list */
+if(fake_info_if->keysCollectionSize != 0)
+ keys_in_list = (guint)(fake_info_if->keysCollectionSize - sizeof(AirpcapKeysCollection))/sizeof(AirpcapKey);
+else
+ keys_in_list = 0;
for(i=0; i<keys_in_list; i++)
{
/* Only if it is a WEP key... */
-if(info_if->keysCollection->Keys[i].KeyType == AIRPCAP_KEYTYPE_WEP)
+if(fake_info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WEP)
{
- tmp_key = airpcap_get_key_string(info_if->keysCollection->Keys[i]);
- key_list = g_list_append(key_list,g_strdup(tmp_key));
+ tmp_key = airpcap_get_key_string(fake_info_if->keysCollection->Keys[i]);
+ key_list = g_list_append(key_list,g_strdup(tmp_key));
g_free(tmp_key);
}
}
/* Fill the structure */
user_data->list = key_list;
user_data->current_index = 0;
-user_data->number_of_keys= keys_in_list;
+user_data->number_of_keys= keys_in_list;
/* Retrieve the wlan preferences */
wlan_prefs = prefs_find_module("wlan");
/* free the user_data structure */
g_free(user_data);
-return TRUE;
+airpcap_if_info_free(fake_info_if);
+
+return keys_in_list;
+}
+
+/*
+ * Function used to save to the preference file the Decryption Keys.
+ */
+int
+save_wlan_wireshark_wep_keys(GList* key_ls)
+{
+GList* key_list = NULL;
+char* tmp_key = NULL;
+guint keys_in_list,i;
+keys_cb_data_t* user_data;
+airpcap_if_info_t* fake_info_if = NULL;
+decryption_key_t* tmp_dk;
+
+/* Retrieve the wlan preferences */
+wlan_prefs = prefs_find_module("wlan");
+
+/* Allocate a structure used to keep infos between the callbacks */
+user_data = (keys_cb_data_t*)g_malloc(sizeof(keys_cb_data_t));
+
+keys_in_list = g_list_length(key_ls);
+
+key_list = key_ls;
+
+/* Fill the structure */
+user_data->list = key_list;
+user_data->current_index = 0;
+user_data->number_of_keys= keys_in_list;
+
+/* Retrieve the wlan preferences */
+wlan_prefs = prefs_find_module("wlan");
+
+/* Run the callback on each 802.11 preference */
+prefs_pref_foreach(wlan_prefs, set_wep_key, (gpointer)user_data);
+
+/* Signal that we've changed things, and run the 802.11 dissector's
+ * callback */
+wlan_prefs->prefs_changed = TRUE;
+
+/* Apply changes for the specified preference */
+prefs_apply(wlan_prefs);
+
+/* FREE MEMORY */
+/* free the WEP key string */
+for(i=0;i<g_list_length(user_data->list);i++)
+ {
+ tmp_dk = (decryption_key_t*)g_list_nth(user_data->list,i)->data;
+ g_string_free(tmp_dk->key,TRUE);
+ if(tmp_dk->ssid != NULL) g_string_free(tmp_dk->ssid,TRUE);
+ }
+
+/* free the (empty) list */
+g_list_free(user_data->list);
+
+/* free the user_data structure */
+g_free(user_data);
+
+return keys_in_list;
}
/*
BOOL
airpcap_if_store_cur_config_as_adapter_default(PAirpcapHandle ah)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapStoreCurConfigAsAdapterDefault(ah);
}
PAirpcapHandle
airpcap_if_open(PCHAR name, PCHAR err)
{
+ if (!AirpcapLoaded) return NULL;
+ if (name == NULL) return NULL;
return g_PAirpcapOpen(name,err);
}
VOID
airpcap_if_close(PAirpcapHandle handle)
{
-g_PAirpcapClose(handle);
-
+ if (!AirpcapLoaded) return;
+ g_PAirpcapClose(handle);
}
/*
BOOL
airpcap_if_turn_led_on(PAirpcapHandle AdapterHandle, UINT LedNumber)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapTurnLedOn(AdapterHandle,LedNumber);
}
BOOL
airpcap_if_turn_led_off(PAirpcapHandle AdapterHandle, UINT LedNumber)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapTurnLedOff(AdapterHandle,LedNumber);
}
BOOL
airpcap_if_get_device_channel(PAirpcapHandle ah, PUINT ch)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapGetDeviceChannel(ah,ch);
}
BOOL
airpcap_if_set_device_channel(PAirpcapHandle ah, UINT ch)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapSetDeviceChannel(ah,ch);
}
BOOL
airpcap_if_get_link_type(PAirpcapHandle ah, PAirpcapLinkType lt)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapGetLinkType(ah,lt);
}
BOOL
airpcap_if_set_link_type(PAirpcapHandle ah, AirpcapLinkType lt)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapSetLinkType(ah,lt);
}
BOOL
airpcap_if_get_fcs_presence(PAirpcapHandle ah, PBOOL fcs)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapGetFcsPresence(ah,fcs);
}
BOOL
airpcap_if_set_fcs_presence(PAirpcapHandle ah, BOOL fcs)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapSetFcsPresence(ah,fcs);
}
BOOL
airpcap_if_get_decryption_state(PAirpcapHandle ah, PAirpcapDecryptionState PEnable)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapGetDecryptionState(ah,PEnable);
}
BOOL
airpcap_if_set_decryption_state(PAirpcapHandle ah, AirpcapDecryptionState Enable)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapSetDecryptionState(ah,Enable);
}
+/*
+ * Airpcap wrapper, used to get the decryption enabling of an airpcap driver
+ */
+BOOL
+airpcap_if_get_driver_decryption_state(PAirpcapHandle ah, PAirpcapDecryptionState PEnable)
+{
+ if (!AirpcapLoaded || (g_PAirpcapGetDriverDecryptionState==NULL)) return FALSE;
+ return g_PAirpcapGetDriverDecryptionState(ah,PEnable);
+}
+
+/*
+ * Airpcap wrapper, used to set the decryption enabling of an airpcap driver
+ */
+BOOL
+airpcap_if_set_driver_decryption_state(PAirpcapHandle ah, AirpcapDecryptionState Enable)
+{
+ if (!AirpcapLoaded || (g_PAirpcapSetDriverDecryptionState==NULL)) return FALSE;
+ return g_PAirpcapSetDriverDecryptionState(ah,Enable);
+}
+
/*
* Airpcap wrapper, used to get the fcs validation of an airpcap adapter
*/
BOOL
airpcap_if_get_fcs_validation(PAirpcapHandle ah, PAirpcapValidationType val)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapGetFcsValidation(ah,val);
}
BOOL
airpcap_if_set_fcs_validation(PAirpcapHandle ah, AirpcapValidationType val)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapSetFcsValidation(ah,val);
}
BOOL
airpcap_if_set_device_keys(PAirpcapHandle AdapterHandle, PAirpcapKeysCollection KeysCollection)
{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapSetDeviceKeys(AdapterHandle,KeysCollection);
}
*/
BOOL
airpcap_if_get_device_keys(PAirpcapHandle AdapterHandle, PAirpcapKeysCollection KeysCollection, PUINT PKeysCollectionSize)
-{
+{
+ if (!AirpcapLoaded) return FALSE;
return g_PAirpcapGetDeviceKeys(AdapterHandle,KeysCollection,PKeysCollectionSize);
}
+/*
+ * Airpcap wrapper, used to save the driver's set of keys
+ */
+BOOL
+airpcap_if_set_driver_keys(PAirpcapHandle AdapterHandle, PAirpcapKeysCollection KeysCollection)
+{
+ if (!AirpcapLoaded || (g_PAirpcapSetDriverKeys==NULL)) return FALSE;
+ return g_PAirpcapSetDriverKeys(AdapterHandle,KeysCollection);
+}
+
+/*
+ * Airpcap wrapper, used to load the driver's set of keys
+ */
+BOOL
+airpcap_if_get_driver_keys(PAirpcapHandle AdapterHandle, PAirpcapKeysCollection KeysCollection, PUINT PKeysCollectionSize)
+{
+ if (!AirpcapLoaded || (g_PAirpcapGetDriverKeys==NULL)) return FALSE;
+ return g_PAirpcapGetDriverKeys(AdapterHandle,KeysCollection,PKeysCollectionSize);
+}
+
/*
* This function will create a new airpcap_if_info_t using a name and a description
*/
PAirpcapHandle ad;
gchar ebuf[AIRPCAP_ERRBUF_SIZE];
- airpcap_if_info_t *if_info;
+ airpcap_if_info_t *if_info = NULL;
+ /* Probably I have to switch on the leds!!! */
+ ad = airpcap_if_open(name, ebuf);
+ if(ad)
+ {
if_info = g_malloc(sizeof (airpcap_if_info_t));
if_info->name = g_strdup(name);
if (description == NULL)
if_info->description = g_strdup(description);
if_info->ip_addr = NULL;
if_info->loopback = FALSE;
-
- /* Probably I have to switch on the leds!!! */
- ad = airpcap_if_open(if_info->name, ebuf);
- if(ad)
- {
airpcap_if_get_fcs_validation(ad,&(if_info->CrcValidationOn));
airpcap_if_get_fcs_presence(ad,&(if_info->IsFcsPresent));
airpcap_if_get_link_type(ad,&(if_info->linkType));
return if_info;
}
+/*
+ * This function will create a new fake drivers' interface, to load global keys...
+ */
+airpcap_if_info_t*
+airpcap_driver_fake_if_info_new()
+{
+ PAirpcapHandle ad;
+ gchar ebuf[AIRPCAP_ERRBUF_SIZE];
+
+ airpcap_if_info_t *if_info = NULL;
+ airpcap_if_info_t *fake_if_info = NULL;
+
+ /* Maybe for some reason no airpcap adapter is found */
+ if(airpcap_if_list == NULL)
+ return NULL;
+
+ /*
+ * Retrieve the first AirPcap adapter available. If no interface is found,
+ * it is not possible to retrieve the driver's settings, so return NULL.
+ */
+ if_info = g_list_nth_data(airpcap_if_list,0);
+ if(if_info == NULL)
+ return NULL;
+
+ /* Open the 'fake' adapter */
+ ad = airpcap_if_open(if_info->name, ebuf);
+ if(ad)
+ {
+ fake_if_info = g_malloc(sizeof (airpcap_if_info_t));
+ fake_if_info->name = g_strdup(if_info->name);
+ fake_if_info->description = g_strdup(if_info->description);
+ fake_if_info->loopback = FALSE;
+ fake_if_info->ip_addr = NULL;
+ airpcap_if_get_driver_decryption_state(ad, &(fake_if_info->DecryptionOn));
+ airpcap_if_get_fcs_validation(ad,&(fake_if_info->CrcValidationOn));
+ airpcap_if_get_fcs_presence(ad,&(fake_if_info->IsFcsPresent));
+ airpcap_if_get_link_type(ad,&(fake_if_info->linkType));
+ airpcap_if_get_device_channel(ad,&(fake_if_info->channel));
+ airpcap_if_turn_led_on(ad, 0);
+ fake_if_info->led = TRUE;
+ fake_if_info->blinking = FALSE;
+ fake_if_info->saved = TRUE; /* NO NEED TO BE SAVED */
+
+ /* get the keys, if everything is ok, close the adapter */
+ if(airpcap_if_load_driver_keys(ad,fake_if_info))
+ airpcap_if_close(ad);
+ }
+
+ return fake_if_info;
+}
+
+/*
+ * USED FOR DEBUG ONLY... PRINTS AN AirPcap ADAPTER STRUCTURE in a fancy way.
+ */
+void
+airpcap_if_info_print(airpcap_if_info_t* if_info)
+{
+if(if_info == NULL)
+ {
+ g_print("\nWARNING : AirPcap Interface pointer is NULL!\n");
+ return;
+ }
+
+g_print("\n----------------- AirPcap Interface \n");
+g_print(" NAME: %s\n",if_info->name);
+g_print(" DESCRIPTION: %s\n",if_info->description);
+g_print(" BLINKING: %s\n",if_info->blinking ? "TRUE" : "FALSE");
+g_print(" CHANNEL: %2u\n",if_info->channel);
+g_print(" CRCVALIDATION: %s\n",if_info->CrcValidationOn ? "ON" : "OFF");
+g_print(" DECRYPTION: %s\n",if_info->DecryptionOn ? "ON" : "OFF");
+g_print(" IP ADDR: %s\n",if_info->ip_addr!=NULL ? "NOT NULL" : "NULL");
+g_print(" FCSPRESENT: %s\n",if_info->IsFcsPresent ? "TRUE" : "FALSE");
+g_print(" KEYSCOLLECTION: %s\n",if_info->keysCollection!=NULL ? "NOT NULL" : "NULL");
+g_print("KEYSCOLLECTIONSIZE: %u\n",if_info->keysCollectionSize);
+g_print(" LED: %s\n",if_info->led ? "ON" : "OFF");
+g_print(" LINKTYPE: %d\n",if_info->linkType);
+g_print(" LOOPBACK: %s\n",if_info->loopback ? "YES" : "NO");
+g_print(" (GTK) TAG: %d\n",if_info->tag);
+g_print("\n\n");
+}
+
/*
* Function used to load the WEP keys for a selected interface
*/
BOOL
airpcap_if_load_keys(PAirpcapHandle ad, airpcap_if_info_t *if_info)
{
+if(!if_info) return FALSE;
+
if_info->keysCollectionSize = 0;
if_info->keysCollection = NULL;
return FALSE;
}
- if_info->keysCollection = (PAirpcapKeysCollection)malloc(if_info->keysCollectionSize);
+ if_info->keysCollection = (PAirpcapKeysCollection)g_malloc(if_info->keysCollectionSize);
if(!if_info->keysCollection)
{
if_info->keysCollectionSize = 0;
airpcap_if_get_device_keys(ad, if_info->keysCollection, &(if_info->keysCollectionSize));
return TRUE;
}
+
airpcap_if_close(ad);
return FALSE;
}
/*
- * Function used to save the WEP keys for a selected interface
+ * Function used to load the WEP keys for a selected interface
*/
-void
-airpcap_if_save_keys(PAirpcapHandle ad, airpcap_if_info_t *if_info)
+BOOL
+airpcap_if_load_driver_keys(PAirpcapHandle ad, airpcap_if_info_t *if_info)
{
+if_info->keysCollectionSize = 0;
+if_info->keysCollection = NULL;
+
+if(!airpcap_if_get_driver_keys(ad, NULL, &(if_info->keysCollectionSize)))
+ {
+ if(if_info->keysCollectionSize == 0)
+ {
+ if_info->keysCollection = NULL;
+ airpcap_if_close(ad);
+ return FALSE;
+ }
+
+ if_info->keysCollection = (PAirpcapKeysCollection)g_malloc(if_info->keysCollectionSize);
+ if(!if_info->keysCollection)
+ {
+ if_info->keysCollectionSize = 0;
+ if_info->keysCollection = NULL;
+ airpcap_if_close(ad);
+ return FALSE;
+ }
+
+ airpcap_if_get_driver_keys(ad, if_info->keysCollection, &(if_info->keysCollectionSize));
+ return TRUE;
+ }
+
+airpcap_if_close(ad);
+return FALSE;
+}
+
+/*
+ * Function used to save the WEP keys for a selected interface
+ */
+void
+airpcap_if_save_keys(PAirpcapHandle ad, airpcap_if_info_t *if_info)
+{
+ if(!if_info || !AirpcapLoaded) return;
+
if(if_info->keysCollection != NULL)
g_PAirpcapSetDeviceKeys(ad,if_info->keysCollection);
}
+/*
+ * Function used to save the WEP keys for a selected interface
+ */
+void
+airpcap_if_save_driver_keys(PAirpcapHandle ad, airpcap_if_info_t *if_info)
+{
+ if(if_info->keysCollection != NULL)
+ airpcap_if_set_driver_keys(ad,if_info->keysCollection);
+}
+
/*
* Callback used to free an instance of airpcap_if_info_t
*/
/* XXX - FREE THE WEP KEY LIST HERE!!!*/
if(if_info->keysCollection != NULL)
+ {
g_free(if_info->keysCollection);
+ if_info->keysCollection = NULL;
+ }
if(if_info->ip_addr != NULL)
g_slist_free(if_info->ip_addr);
int i, n_adapts;
AirpcapDeviceDescription *devsList, *adListEntry;
- if(!g_PAirpcapGetDeviceList(&devsList, err_str))
+ if (err)
+ *err = NO_AIRPCAP_INTERFACES_FOUND;
+
+ if(!AirpcapLoaded || !g_PAirpcapGetDeviceList(&devsList, err_str))
{
/* No interfaces, return il = NULL; */
- *err = NO_AIRPCAP_INTERFACES_FOUND;
return il;
}
{
/* No interfaces, return il= NULL */
g_PAirpcapFreeDeviceList(devsList);
- *err = NO_AIRPCAP_INTERFACES_FOUND;
return il;
}
unsigned int l = 0;
gchar *dst,*src;
+dst = NULL;
src = NULL;
-if(key.KeyType == AIRPCAP_KEYTYPE_WEP)
+if(key.KeyType == AIRPDCAP_KEY_TYPE_WEP)
{
if(key.KeyLen != 0)
{
dst = (gchar*)g_malloc(sizeof(gchar)*WEP_KEY_MAX_CHAR_SIZE + 1);
/* Make sure that the first char is '\0' in order to make g_strlcat() work */
dst[0]='\0';
-
+
for(j = 0; j < key.KeyLen; j++)
{
src = g_strdup_printf("%.2x\0", key.KeyData[j]);
- /*
- * XXX - use g_strconcat() instead ???
- */
+ /*
+ * XXX - use g_strconcat() or GStrings instead ???
+ */
l = g_strlcat(dst,src,WEP_KEY_MAX_CHAR_SIZE+1);
}
g_free(src);
}
}
-else if(key.KeyType == AIRPCAP_KEYTYPE_TKIP)
+else if(key.KeyType == AIRPDCAP_KEY_TYPE_WPA_PWD)
{
/* XXX - Add code here */
}
-else if(key.KeyType == AIRPCAP_KEYTYPE_CCMP)
+else if(key.KeyType == AIRPDCAP_KEY_TYPE_WPA_PMK)
{
/* XXX - Add code here */
}
return dst;
}
+/*
+ * Clear keys and decryption status for the specified interface
+ */
+void
+airpcap_if_clear_decryption_settings(airpcap_if_info_t* info_if)
+{
+if(info_if != NULL)
+ {
+ if(info_if->keysCollection != NULL)
+ {
+ g_free(info_if->keysCollection);
+ info_if->keysCollection = NULL;
+ }
+
+ info_if->keysCollectionSize = 0;
+
+ info_if->DecryptionOn = FALSE;
+ info_if->saved = FALSE;
+ }
+}
+
/*
* Used to retrieve the airpcap_if_info_t of the selected interface given the
* description (that is the entry of the combo box).
int a;
a = sscanf(if_info->name,AIRPCAP_DEVICE_NUMBER_EXTRACT_STRING,&n);
-
+
/* If sscanf() returned 1, it means that has read a number, so interface is not "Any"
* Otherwise, check if it is the "Any" adapter...
*/
}
}
+/*
+ * Save the configuration for the specified interface
+ */
+void
+airpcap_save_driver_if_configuration(airpcap_if_info_t* fake_if_info)
+{
+gchar ebuf[AIRPCAP_ERRBUF_SIZE];
+PAirpcapHandle ad;
+
+if(fake_if_info != NULL)
+ {
+ ad = airpcap_if_open(fake_if_info->name, ebuf);
+
+ if(ad)
+ {
+ /* Apply decryption settings... */
+ airpcap_if_set_driver_decryption_state(ad, fake_if_info->DecryptionOn);
+ airpcap_if_save_driver_keys(ad,fake_if_info);
+ airpcap_if_close(ad);
+ }
+ else
+ {
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, " Error in opening adapter for %s",fake_if_info->description);
+ }
+ }
+
+return;
+}
+
/*
* DECRYPTION KEYS FUNCTIONS
*/
{
gint n,i;
decryption_key_t* tmp;
-
+
+if(key_list == NULL)
+{
+g_print("\n\n******* KEY LIST NULL *******\n\n");
+return;
+}
+
n = g_list_length(key_list);
g_print("\n\n********* KEY LIST **********\n\n");
g_print("BITS: %d\n",tmp->bits);
-if(tmp->type == AIRPCAP_KEYTYPE_WEP)
+if(tmp->type == AIRPDCAP_KEY_TYPE_WEP)
g_print("TYPE: %s\n",AIRPCAP_WEP_KEY_STRING);
-else if(tmp->type == AIRPCAP_KEYTYPE_TKIP)
- g_print("TYPE: %s\n",AIRPCAP_WPA_KEY_STRING);
-else if(tmp->type == AIRPCAP_KEYTYPE_CCMP)
- g_print("TYPE: %s\n",AIRPCAP_WPA2_KEY_STRING);
-else
+else if(tmp->type == AIRPDCAP_KEY_TYPE_WPA_PWD)
+ g_print("TYPE: %s\n",AIRPCAP_WPA_PWD_KEY_STRING);
+else if(tmp->type == AIRPDCAP_KEY_TYPE_WPA_PMK)
+ g_print("TYPE: %s\n",AIRPCAP_WPA_BIN_KEY_STRING);
+else
g_print("TYPE: %s\n","???");
g_print("SSID: %s\n",(tmp->ssid != NULL) ? tmp->ssid->str : "---");
/* real vars*/
decryption_key_t *new_key = NULL;
GList *key_list = NULL;
-
+
/* Number of keys in key list */
if(info_if->keysCollectionSize != 0)
keys_in_list = (guint)(info_if->keysCollectionSize - sizeof(AirpcapKeysCollection))/sizeof(AirpcapKey);
else
keys_in_list = 0;
-
+
for(i=0; i<keys_in_list; i++)
{
/* Different things to do depending on the key type */
-if(info_if->keysCollection->Keys[i].KeyType == AIRPCAP_KEYTYPE_WEP)
+if(info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WEP)
{
/* allocate memory for the new key item */
new_key = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
-
+
/* fill the fields */
/* KEY */
tmp_key = airpcap_get_key_string(info_if->keysCollection->Keys[i]);
new_key->key = g_string_new(tmp_key);
g_free(tmp_key);
-
+
/* BITS */
new_key->bits = new_key->key->len *4; /* every char is 4 bits in WEP keys (it is an exadecimal number) */
-
+
/* SSID not used in WEP keys */
new_key->ssid = NULL;
-
+
/* TYPE (WEP in this case) */
new_key->type = info_if->keysCollection->Keys[i].KeyType;
-
+
/* Append the new element in the list */
- key_list = g_list_append(key_list,(gpointer)new_key);
+ key_list = g_list_append(key_list,(gpointer)new_key);
}
-else if(info_if->keysCollection->Keys[i].KeyType == AIRPCAP_KEYTYPE_TKIP)
+else if(info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WPA_PWD)
{
/* XXX - Not supported yet */
}
-else if(info_if->keysCollection->Keys[i].KeyType == AIRPCAP_KEYTYPE_CCMP)
+else if(info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WPA_PMK)
{
/* XXX - Not supported yet */
}
return key_list;
}
+/*
+ * Retrieves a GList of decryption_key_t structures containing infos about the
+ * keys for the global AirPcap driver... returns NULL if no keys are found.
+ */
+GList*
+get_airpcap_driver_keys()
+{
+/* tmp vars */
+char* tmp_key = NULL;
+guint i,keys_in_list = 0;
+
+/* real vars*/
+decryption_key_t *new_key = NULL;
+GList *key_list = NULL;
+
+/*
+ * To read the drivers general settings we need to create and use one airpcap adapter...
+ * The only way to do that is to instantiate a fake adapter, and then close it and delete it.
+ */
+airpcap_if_info_t* fake_info_if = NULL;
+
+/* Create the fake_info_if from the first adapter of the list */
+fake_info_if = airpcap_driver_fake_if_info_new();
+
+if(fake_info_if == NULL)
+ return NULL;
+
+/* Number of keys in key list */
+if(fake_info_if->keysCollectionSize != 0)
+ keys_in_list = (guint)(fake_info_if->keysCollectionSize - sizeof(AirpcapKeysCollection))/sizeof(AirpcapKey);
+else
+ keys_in_list = 0;
+
+for(i=0; i<keys_in_list; i++)
+{
+/* Different things to do depending on the key type */
+if(fake_info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WEP)
+ {
+ /* allocate memory for the new key item */
+ new_key = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
+
+ /* fill the fields */
+ /* KEY */
+ tmp_key = airpcap_get_key_string(fake_info_if->keysCollection->Keys[i]);
+ new_key->key = g_string_new(tmp_key);
+ if(tmp_key != NULL) g_free(tmp_key);
+
+ /* BITS */
+ new_key->bits = new_key->key->len *4; /* every char is 4 bits in WEP keys (it is an exadecimal number) */
+
+ /* SSID not used in WEP keys */
+ new_key->ssid = NULL;
+
+ /* TYPE (WEP in this case) */
+ new_key->type = fake_info_if->keysCollection->Keys[i].KeyType;
+
+ /* Append the new element in the list */
+ key_list = g_list_append(key_list,(gpointer)new_key);
+ }
+else if(fake_info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WPA_PWD)
+ {
+ /* XXX - Not supported yet */
+ }
+else if(fake_info_if->keysCollection->Keys[i].KeyType == AIRPDCAP_KEY_TYPE_WPA_PMK)
+ {
+ /* XXX - Not supported yet */
+ }
+}
+
+airpcap_if_info_free(fake_info_if);
+
+return key_list;
+}
+
/*
* Returns the list of the decryption keys specified for wireshark, NULL if
- * no key is found
+ * no key is found
*/
GList*
get_wireshark_keys()
{
keys_cb_data_t* wep_user_data = NULL;
-keys_cb_data_t* wpa_user_data = NULL;
-keys_cb_data_t* wpa2_user_data= NULL;
gchar *tmp = NULL;
GList* final_list = NULL;
GList* wep_final_list = NULL;
-GList* wpa_final_list = NULL;
-GList* wpa2_final_list = NULL;
-
+
/* Retrieve the wlan preferences */
wlan_prefs = prefs_find_module("wlan");
/* Run the callback on each 802.11 preference */
/* XXX - Right now, only WEP keys will be loaded */
prefs_pref_foreach(wlan_prefs, get_wep_key, (gpointer)wep_user_data);
-prefs_pref_foreach(wlan_prefs, get_wpa_key, (gpointer)wpa_user_data);
-prefs_pref_foreach(wlan_prefs, get_wpa2_key, (gpointer)wpa2_user_data);
/* Copy the list field in the user data structure pointer into the final_list */
if(wep_user_data != NULL) wep_final_list = wep_user_data->list;
-if(wpa_user_data != NULL) wpa_final_list = wpa_user_data->list;
-if(wpa2_user_data != NULL) wpa2_final_list = wpa2_user_data->list;
/* XXX - Merge the three lists!!!!! */
final_list = wep_final_list;
/* free the wep_user_data structure */
g_free(wep_user_data);
-/* free the wpa_user_data structure */
-g_free(wpa_user_data);
-/* free the wpa2_user_data structure */
-g_free(wpa2_user_data);
return final_list;
}
/*
- * Merges two lists of keys and return a newly created GList. If a key is
+ * Merges two lists of keys and return a newly created GList. If a key is
* found multiple times, it will just appear once!
- * list1 and list 2 pointer will have to be freed manually if needed!!!
- * If the total number of keys exceeeds the maximum number allowed,
+ * list1 and list 2 pointer will have to be freed manually if needed!!!
+ * If the total number of keys exceeeds the maximum number allowed,
* exceeding keys will be discarded...
*/
GList*
guint n1=0,n2=0;
guint i;
decryption_key_t *dk1=NULL,
- *dk2=NULL,
+ *dk2=NULL,
*new_dk=NULL;
GList* merged_list = NULL;
{
n1 = 0;
n2 = g_list_length(list2);
-
+
for(i=0;i<n2;i++)
{
new_dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
dk2 = (decryption_key_t *)g_list_nth_data(list2,i);
-
+
new_dk->bits = dk2->bits;
new_dk->type = dk2->type;
new_dk->key = g_string_new(dk2->key->str);
new_dk->ssid = NULL;
/* Check the total length of the merged list */
- if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
+ if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
merged_list = g_list_append(merged_list,(gpointer)new_dk);
- }
+ }
}
else if(list2 == NULL)
{
n1 = g_list_length(list1);
n2 = 0;
-
+
for(i=0;i<n1;i++)
{
new_dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
dk1 = (decryption_key_t*)g_list_nth_data(list1,i);
-
+
new_dk->bits = dk1->bits;
new_dk->type = dk1->type;
new_dk->key = g_string_new(dk1->key->str);
new_dk->ssid = g_string_new(dk1->ssid->str);
else
new_dk->ssid = NULL;
-
+
/* Check the total length of the merged list */
- if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
+ if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
merged_list = g_list_append(merged_list,(gpointer)new_dk);
- }
+ }
}
else
{
n1 = g_list_length(list1);
n2 = g_list_length(list2);
-
+
/* Copy the whole list1 into merged_list */
for(i=0;i<n1;i++)
{
new_dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
dk1 = (decryption_key_t *)g_list_nth_data(list1,i);
-
+
new_dk->bits = dk1->bits;
new_dk->type = dk1->type;
new_dk->key = g_string_new(dk1->key->str);
-
+
if(dk1->ssid != NULL)
new_dk->ssid = g_string_new(dk1->ssid->str);
else
new_dk->ssid = NULL;
/* Check the total length of the merged list */
- if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
+ if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
merged_list = g_list_append(merged_list,(gpointer)new_dk);
- }
-
+ }
+
/* Look for keys that are present in list2 but aren't in list1 yet...
* Add them to merged_list
*/
for(i=0;i<n2;i++)
{
dk2 = (decryption_key_t *)g_list_nth_data(list2,i);
-
+
if(!key_is_in_list(dk2,merged_list))
{
new_dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
-
+
new_dk->bits = dk2->bits;
new_dk->type = dk2->type;
new_dk->key = g_string_new(dk2->key->str);
new_dk->ssid = g_string_new(dk2->ssid->str);
else
new_dk->ssid = NULL;
-
+
/* Check the total length of the merged list */
if(g_list_length(merged_list) < MAX_ENCRYPTION_KEYS)
merged_list = g_list_append(merged_list,(gpointer)new_dk);
- }
+ }
}
}
}
/*
- * Use this function to free a key list.
+ * Use this function to free a key list.
*/
void
free_key_list(GList *list)
if(list == NULL)
return;
-
+
n = g_list_length(list);
for(i = 0; i < n; i++)
/* Free all the strings */
if(curr_key->key != NULL)
g_string_free(curr_key->key,TRUE);
-
+
if(curr_key->ssid != NULL)
g_string_free(curr_key->ssid,TRUE);
/*
* If the given key is contained in the list, returns TRUE.
- * Returns FALSE otherwise.
+ * Returns FALSE otherwise.
*/
gboolean
key_is_in_list(decryption_key_t *dk,GList *list)
for(i = 0; i < n; i++)
{
-curr_key = (decryption_key_t*)g_list_nth_data(list,i);
+curr_key = (decryption_key_t*)g_list_nth_data(list,i);
if(keys_are_equals(dk,curr_key))
- found = TRUE;
-}
+ found = TRUE;
+}
return found;
}
if((k1==NULL) || (k2==NULL))
return FALSE;
-
+
+/* XXX - Remove this check when we will have the WPA/WPA2 decryption in the Driver! */
+//if( (k1->type == AIRPDCAP_KEY_TYPE_WPA_PWD) || (k2->type == AIRPDCAP_KEY_TYPE_WPA_PWD) || (k1->type == AIRPDCAP_KEY_TYPE_WPA_PMK) || (k2->type == AIRPDCAP_KEY_TYPE_WPA_PMK) )
+// return TRUE;
+
if( g_string_equal(k1->key,k2->key) &&
(k1->bits == k2->bits) && /* If the previous is TRUE, this must be TRUE as well */
k1->type == k2->type)
/* Check the ssid... if the key type is WEP, the two fields should be NULL */
if((k1->ssid == NULL) && (k2->ssid == NULL))
return TRUE;
-
+
/* Check if one of them is null and one is not... */
if((k1->ssid == NULL) || (k2->ssid == NULL))
return FALSE;
-
+
/* If they are not null, they must share the same ssid */
return g_string_equal(k1->ssid,k2->ssid);
}
key_lists_are_equal(GList* list1, GList* list2)
{
guint n1=0,n2=0;
-guint i;
+/* XXX - Remove */
+guint wep_n1=0,wep_n2=0;
+GList *wep_list1=NULL;
+GList *wep_list2=NULL;
+/* XXX - END*/
+guint i/*,j*/;
decryption_key_t *dk1=NULL,*dk2=NULL;
n1 = g_list_length(list1);
n2 = g_list_length(list2);
-if(n1 != n2) return FALSE;
-
+/*
+ * XXX - START : Retrieve the aublists of WEP keys!!! This is needed only 'till Driver WPA decryption
+ * is not implemented.
+ */
for(i=0;i<n1;i++)
+ {
+ dk1=(decryption_key_t*)g_list_nth_data(list1,i);
+ if(dk1->type == AIRPDCAP_KEY_TYPE_WEP)
+ {
+ wep_list1 = g_list_append(wep_list1,(gpointer)dk1);
+ wep_n1++;
+ }
+ }
+for(i=0;i<n2;i++)
+ {
+ dk2=(decryption_key_t*)g_list_nth_data(list2,i);
+ if(dk2->type == AIRPDCAP_KEY_TYPE_WEP)
+ {
+ wep_list2 = g_list_append(wep_list2,(gpointer)dk2);
+ wep_n2++;
+ }
+ }
+
+/*
+ * XXX - END : Remove from START to END when the WPA/WPA2 decryption will be implemented in
+ * the Driver
+ */
+
+/*
+ * Commented, because in the new AirPcap version all the keys will be saved
+ * into the driver, and all the keys for every specific adapter will be
+ * removed. This means that this check will always fail... and the user will
+ * always be asked what to do... and it doesn't make much sense.
+ */
+/* if(n1 != n2) return FALSE; */
+if(wep_n1 != wep_n2) return FALSE;
+
+n1 = wep_n1;
+n2 = wep_n2;
+
+/*for(i=0;i<n1;i++)
{
dk1=(decryption_key_t*)g_list_nth_data(list1,i);
dk2=(decryption_key_t*)g_list_nth_data(list2,i);
if(!g_string_equal(dk1->key,dk2->key)) return FALSE;
+}*/
+for(i=0;i<n2;i++)
+{
+dk2=(decryption_key_t*)g_list_nth_data(wep_list2,i);
+if(!key_is_in_list(dk2,wep_list1)) return FALSE;
}
return TRUE;
gboolean number;
/* Retrieve user data info */
-is_on = (gboolean*)ud;
+is_on = (gboolean*)ud;
if (g_strncasecmp(pref->name, "enable_decryption", 17) == 0 && pref->type == PREF_BOOL)
{
number = *pref->varp.boolp;
-
+
if(number) *is_on = TRUE;
else *is_on = FALSE;
}
/*
- * Returns TRUE if the AirPcap decryption is active, false otherwise
+ * Returns TRUE if the AirPcap decryption for the current adapter is active, false otherwise
*/
gboolean
airpcap_decryption_on()
{
gboolean is_on = FALSE;
-if(airpcap_if_selected != NULL)
+airpcap_if_info_t* fake_if_info = NULL;
+
+fake_if_info = airpcap_driver_fake_if_info_new();
+
+if(fake_if_info != NULL)
{
- is_on = (gboolean)airpcap_if_selected->DecryptionOn;
+ if(fake_if_info->DecryptionOn == AIRPCAP_DECRYPTION_ON)
+ is_on = TRUE;
+ else if(fake_if_info->DecryptionOn == AIRPCAP_DECRYPTION_OFF)
+ is_on = FALSE;
}
-
+
+airpcap_if_info_free(fake_if_info);
+
return is_on;
}
+/*
+ * Free an instance of airpcap_if_info_t
+ */
+void
+airpcap_if_info_free(airpcap_if_info_t *if_info)
+{
+if(if_info != NULL)
+ {
+ if (if_info->name != NULL)
+ g_free(if_info->name);
+
+ if (if_info->description != NULL)
+ g_free(if_info->description);
+
+ if(if_info->keysCollection != NULL)
+ {
+ g_free(if_info->keysCollection);
+ if_info->keysCollection = NULL;
+ }
+
+ if(if_info->ip_addr != NULL)
+ {
+ g_slist_free(if_info->ip_addr);
+ if_info->ip_addr = NULL;
+ }
+
+ if(if_info != NULL)
+ {
+ g_free(if_info);
+ if_info = NULL;
+ }
+ }
+}
+
static guint
set_on_off(pref_t *pref, gpointer ud _U_)
{
gboolean number;
/* Retrieve user data info */
-is_on = (gboolean*)ud;
+is_on = (gboolean*)ud;
if (g_strncasecmp(pref->name, "enable_decryption", 17) == 0 && pref->type == PREF_BOOL)
{
number = *pref->varp.boolp;
-
+
g_free((void *)*pref->varp.boolp);
if(*is_on)
- *pref->varp.boolp = TRUE;
+ *pref->varp.boolp = TRUE;
else
*pref->varp.boolp = FALSE;
-
+
return 1;
}
return 0;
/* Run the callback on each 802.11 preference */
prefs_pref_foreach(wlan_prefs, set_on_off, (gpointer)&is_on);
-/*
+/*
* Signal that we've changed things, and run the 802.11 dissector's
- * callback
+ * callback
*/
wlan_prefs->prefs_changed = TRUE;
gboolean
set_airpcap_decryption(gboolean on_off)
{
-/* We need to directly access the .ddl functions here... */
-gchar ebuf[AIRPCAP_ERRBUF_SIZE];
-PAirpcapHandle ad;
+ /* We need to directly access the .dll functions here... */
+ gchar ebuf[AIRPCAP_ERRBUF_SIZE];
+ PAirpcapHandle ad,ad_driver;
-gboolean success = TRUE;
+ gboolean success = TRUE;
-gint n = 0;
-gint i = 0;
-airpcap_if_info_t* curr_if = NULL;
+ gint n = 0;
+ gint i = 0;
+ airpcap_if_info_t* curr_if = NULL;
+ airpcap_if_info_t* fake_if_info = NULL;
-n = g_list_length(airpcap_if_list);
+ fake_if_info = airpcap_driver_fake_if_info_new();
-/* The same kind of settings should be propagated to all the adapters */
-/* Apply this change to all the adapters !!! */
-for(i = 0; i < n; i++)
- {
- curr_if = (airpcap_if_info_t*)g_list_nth_data(airpcap_if_list,i);
-
- if( curr_if != NULL )
- {
- ad = airpcap_if_open(get_airpcap_name_from_description(airpcap_if_list,curr_if->description), ebuf);
- if(ad)
- {
- curr_if->DecryptionOn = (gboolean)on_off;
- airpcap_if_set_decryption_state(ad,curr_if->DecryptionOn);
- /* Save configuration for the curr_if */
- if(!airpcap_if_store_cur_config_as_adapter_default(ad))
- {
- success = FALSE;
- }
- airpcap_if_close(ad);
- }
- }
- }
+ if(fake_if_info == NULL)
+ /* We apparently don't have any adapters installed.
+ * This isn't a failure, so return TRUE
+ */
+ return TRUE;
+
+ /* Set the driver decryption */
+ ad_driver = airpcap_if_open(fake_if_info->name, ebuf);
+ if(ad_driver)
+ {
+ if(on_off)
+ airpcap_if_set_driver_decryption_state(ad_driver,AIRPCAP_DECRYPTION_ON);
+ else
+ airpcap_if_set_driver_decryption_state(ad_driver,AIRPCAP_DECRYPTION_OFF);
+
+ airpcap_if_close(ad_driver);
+ }
+
+ airpcap_if_info_free(fake_if_info);
+
+ n = g_list_length(airpcap_if_list);
+
+ /* Set to FALSE the decryption for all the adapters */
+ /* Apply this change to all the adapters !!! */
+ for(i = 0; i < n; i++)
+ {
+ curr_if = (airpcap_if_info_t*)g_list_nth_data(airpcap_if_list,i);
+
+ if( curr_if != NULL )
+ {
+ ad = airpcap_if_open(get_airpcap_name_from_description(airpcap_if_list,curr_if->description), ebuf);
+ if(ad)
+ {
+ curr_if->DecryptionOn = (gboolean)AIRPCAP_DECRYPTION_OFF;
+ airpcap_if_set_decryption_state(ad,curr_if->DecryptionOn);
+ /* Save configuration for the curr_if */
+ if(!airpcap_if_store_cur_config_as_adapter_default(ad))
+ {
+ success = FALSE;
+ }
+ airpcap_if_close(ad);
+ }
+ }
+ }
-return success;
+ return success;
}
-/* DINAMICALLY LIBRARY LOADER */
+/* DYNAMIC LIBRARY LOADER */
/*
- * Used to dinamically load the airpcap library in order link it only when
+ * Used to dynamically load the airpcap library in order link it only when
* it's present on the system
*/
-BOOL load_airpcap(void)
+int load_airpcap(void)
{
+BOOL base_functions = TRUE;
+BOOL new_functions = TRUE;
+
if((AirpcapLib = LoadLibrary(TEXT("airpcap.dll"))) == NULL)
{
/* Report the error but go on */
- return FALSE;
+ return AIRPCAP_DLL_NOT_FOUND;
}
else
{
- if((g_PAirpcapGetLastError = (AirpcapGetLastErrorHandler) GetProcAddress(AirpcapLib, "AirpcapGetLastError")) == NULL) return FALSE;
- if((g_PAirpcapGetDeviceList = (AirpcapGetDeviceListHandler) GetProcAddress(AirpcapLib, "AirpcapGetDeviceList")) == NULL) return FALSE;
- if((g_PAirpcapFreeDeviceList = (AirpcapFreeDeviceListHandler) GetProcAddress(AirpcapLib, "AirpcapFreeDeviceList")) == NULL) return FALSE;
- if((g_PAirpcapOpen = (AirpcapOpenHandler) GetProcAddress(AirpcapLib, "AirpcapOpen")) == NULL) return FALSE;
- if((g_PAirpcapClose = (AirpcapCloseHandler) GetProcAddress(AirpcapLib, "AirpcapClose")) == NULL) return FALSE;
- if((g_PAirpcapGetLinkType = (AirpcapGetLinkTypeHandler) GetProcAddress(AirpcapLib, "AirpcapGetLinkType")) == NULL) return FALSE;
- if((g_PAirpcapSetLinkType = (AirpcapSetLinkTypeHandler) GetProcAddress(AirpcapLib, "AirpcapSetLinkType")) == NULL) return FALSE;
- if((g_PAirpcapSetKernelBuffer = (AirpcapSetKernelBufferHandler) GetProcAddress(AirpcapLib, "AirpcapSetKernelBuffer")) == NULL) return FALSE;
- if((g_PAirpcapSetFilter = (AirpcapSetFilterHandler) GetProcAddress(AirpcapLib, "AirpcapSetFilter")) == NULL) return FALSE;
- if((g_PAirpcapGetMacAddress = (AirpcapGetMacAddressHandler) GetProcAddress(AirpcapLib, "AirpcapGetMacAddress")) == NULL) return FALSE;
- if((g_PAirpcapSetMinToCopy = (AirpcapSetMinToCopyHandler) GetProcAddress(AirpcapLib, "AirpcapSetMinToCopy")) == NULL) return FALSE;
- if((g_PAirpcapGetReadEvent = (AirpcapGetReadEventHandler) GetProcAddress(AirpcapLib, "AirpcapGetReadEvent")) == NULL) return FALSE;
- if((g_PAirpcapRead = (AirpcapReadHandler) GetProcAddress(AirpcapLib, "AirpcapRead")) == NULL) return FALSE;
- if((g_PAirpcapGetStats = (AirpcapGetStatsHandler) GetProcAddress(AirpcapLib, "AirpcapGetStats")) == NULL) return FALSE;
- if((g_PAirpcapTurnLedOn = (AirpcapTurnLedOnHandler) GetProcAddress(AirpcapLib, "AirpcapTurnLedOn")) == NULL) return FALSE;
- if((g_PAirpcapTurnLedOff = (AirpcapTurnLedOffHandler) GetProcAddress(AirpcapLib, "AirpcapTurnLedOff")) == NULL) return FALSE;
- if((g_PAirpcapGetDeviceChannel = (AirpcapGetDeviceChannelHandler) GetProcAddress(AirpcapLib, "AirpcapGetDeviceChannel")) == NULL) return FALSE;
- if((g_PAirpcapSetDeviceChannel = (AirpcapSetDeviceChannelHandler) GetProcAddress(AirpcapLib, "AirpcapSetDeviceChannel")) == NULL) return FALSE;
- if((g_PAirpcapGetFcsPresence = (AirpcapGetFcsPresenceHandler) GetProcAddress(AirpcapLib, "AirpcapGetFcsPresence")) == NULL) return FALSE;
- if((g_PAirpcapSetFcsPresence = (AirpcapSetFcsPresenceHandler) GetProcAddress(AirpcapLib, "AirpcapSetFcsPresence")) == NULL) return FALSE;
- if((g_PAirpcapGetFcsValidation = (AirpcapGetFcsValidationHandler) GetProcAddress(AirpcapLib, "AirpcapGetFcsValidation")) == NULL) return FALSE;
- if((g_PAirpcapSetFcsValidation = (AirpcapSetFcsValidationHandler) GetProcAddress(AirpcapLib, "AirpcapSetFcsValidation")) == NULL) return FALSE;
- if((g_PAirpcapGetDeviceKeys = (AirpcapGetDeviceKeysHandler) GetProcAddress(AirpcapLib, "AirpcapGetDeviceKeys")) == NULL) return FALSE;
- if((g_PAirpcapSetDeviceKeys = (AirpcapSetDeviceKeysHandler) GetProcAddress(AirpcapLib, "AirpcapSetDeviceKeys")) == NULL) return FALSE;
- if((g_PAirpcapGetDecryptionState = (AirpcapGetDecryptionStateHandler) GetProcAddress(AirpcapLib, "AirpcapGetDecryptionState")) == NULL) return FALSE;
- if((g_PAirpcapSetDecryptionState = (AirpcapSetDecryptionStateHandler) GetProcAddress(AirpcapLib, "AirpcapSetDecryptionState")) == NULL) return FALSE;
- if((g_PAirpcapStoreCurConfigAsAdapterDefault = (AirpcapStoreCurConfigAsAdapterDefaultHandler) GetProcAddress(AirpcapLib, "AirpcapStoreCurConfigAsAdapterDefault")) == NULL) return FALSE;
- if((g_PAirpcapGetVersion = (AirpcapGetVersionHandler) GetProcAddress(AirpcapLib, "AirpcapGetVersion")) == NULL) return FALSE;
- return TRUE;
+ if((g_PAirpcapGetLastError = (AirpcapGetLastErrorHandler) GetProcAddress(AirpcapLib, "AirpcapGetLastError")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetDeviceList = (AirpcapGetDeviceListHandler) GetProcAddress(AirpcapLib, "AirpcapGetDeviceList")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapFreeDeviceList = (AirpcapFreeDeviceListHandler) GetProcAddress(AirpcapLib, "AirpcapFreeDeviceList")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapOpen = (AirpcapOpenHandler) GetProcAddress(AirpcapLib, "AirpcapOpen")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapClose = (AirpcapCloseHandler) GetProcAddress(AirpcapLib, "AirpcapClose")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetLinkType = (AirpcapGetLinkTypeHandler) GetProcAddress(AirpcapLib, "AirpcapGetLinkType")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetLinkType = (AirpcapSetLinkTypeHandler) GetProcAddress(AirpcapLib, "AirpcapSetLinkType")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetKernelBuffer = (AirpcapSetKernelBufferHandler) GetProcAddress(AirpcapLib, "AirpcapSetKernelBuffer")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetFilter = (AirpcapSetFilterHandler) GetProcAddress(AirpcapLib, "AirpcapSetFilter")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetMacAddress = (AirpcapGetMacAddressHandler) GetProcAddress(AirpcapLib, "AirpcapGetMacAddress")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetMinToCopy = (AirpcapSetMinToCopyHandler) GetProcAddress(AirpcapLib, "AirpcapSetMinToCopy")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetReadEvent = (AirpcapGetReadEventHandler) GetProcAddress(AirpcapLib, "AirpcapGetReadEvent")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapRead = (AirpcapReadHandler) GetProcAddress(AirpcapLib, "AirpcapRead")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetStats = (AirpcapGetStatsHandler) GetProcAddress(AirpcapLib, "AirpcapGetStats")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapTurnLedOn = (AirpcapTurnLedOnHandler) GetProcAddress(AirpcapLib, "AirpcapTurnLedOn")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapTurnLedOff = (AirpcapTurnLedOffHandler) GetProcAddress(AirpcapLib, "AirpcapTurnLedOff")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetDeviceChannel = (AirpcapGetDeviceChannelHandler) GetProcAddress(AirpcapLib, "AirpcapGetDeviceChannel")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetDeviceChannel = (AirpcapSetDeviceChannelHandler) GetProcAddress(AirpcapLib, "AirpcapSetDeviceChannel")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetFcsPresence = (AirpcapGetFcsPresenceHandler) GetProcAddress(AirpcapLib, "AirpcapGetFcsPresence")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetFcsPresence = (AirpcapSetFcsPresenceHandler) GetProcAddress(AirpcapLib, "AirpcapSetFcsPresence")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetFcsValidation = (AirpcapGetFcsValidationHandler) GetProcAddress(AirpcapLib, "AirpcapGetFcsValidation")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetFcsValidation = (AirpcapSetFcsValidationHandler) GetProcAddress(AirpcapLib, "AirpcapSetFcsValidation")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetDeviceKeys = (AirpcapGetDeviceKeysHandler) GetProcAddress(AirpcapLib, "AirpcapGetDeviceKeys")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetDeviceKeys = (AirpcapSetDeviceKeysHandler) GetProcAddress(AirpcapLib, "AirpcapSetDeviceKeys")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetDecryptionState = (AirpcapGetDecryptionStateHandler) GetProcAddress(AirpcapLib, "AirpcapGetDecryptionState")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapSetDecryptionState = (AirpcapSetDecryptionStateHandler) GetProcAddress(AirpcapLib, "AirpcapSetDecryptionState")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapStoreCurConfigAsAdapterDefault = (AirpcapStoreCurConfigAsAdapterDefaultHandler) GetProcAddress(AirpcapLib, "AirpcapStoreCurConfigAsAdapterDefault")) == NULL) base_functions = FALSE;
+ if((g_PAirpcapGetVersion = (AirpcapGetVersionHandler) GetProcAddress(AirpcapLib, "AirpcapGetVersion")) == NULL) base_functions = FALSE;
+
+ /* TEST IF WE CAN FIND AIRPCAP NEW DRIVER FEATURES */
+ if((g_PAirpcapGetDriverDecryptionState = (AirpcapGetDriverDecryptionStateHandler) GetProcAddress(AirpcapLib, "AirpcapGetDriverDecryptionState")) == NULL) new_functions = FALSE;
+ if((g_PAirpcapSetDriverDecryptionState = (AirpcapSetDriverDecryptionStateHandler) GetProcAddress(AirpcapLib, "AirpcapSetDriverDecryptionState")) == NULL) new_functions = FALSE;
+ if((g_PAirpcapGetDriverKeys = (AirpcapGetDriverKeysHandler) GetProcAddress(AirpcapLib, "AirpcapGetDriverKeys")) == NULL) new_functions = FALSE;
+ if((g_PAirpcapSetDriverKeys = (AirpcapSetDriverKeysHandler) GetProcAddress(AirpcapLib, "AirpcapSetDriverKeys")) == NULL) new_functions = FALSE;
+
+ if(base_functions)
+ {
+ if(new_functions)
+ {
+ AirpcapLoaded = TRUE;
+ return AIRPCAP_DLL_OK;
+ }
+ else
+ {
+ AirpcapLoaded = TRUE;
+ return AIRPCAP_DLL_OLD;
+ }
+ }
+ else
+ {
+ AirpcapLoaded = FALSE;
+ return AIRPCAP_DLL_ERROR;
+ }
}
}
guint vmaj, vmin, vrev, build;
/* See if the DLL has been loaded successfully. Bail if it hasn't */
- if (AirpcapLib == NULL || g_PAirpcapGetVersion == NULL) {
+ if (AirpcapLoaded == FALSE) {
g_string_append(str, "without AirPcap");
return;
}
vrev, build);
}
+/*
+ * Returns the decryption_key_t struct given a string describing the key.
+ * Returns NULL if the key_string cannot be parsed.
+ */
+decryption_key_t*
+parse_key_string(gchar* input_string)
+{
+gchar *type;
+gchar *key;
+gchar *ssid;
+
+GString *key_string,
+ *ssid_string;
+
+gchar **tokens;
+guint n = 0;
+guint i;
+
+decryption_key_t *dk;
+
+if(input_string == NULL)
+ return NULL;
+
+/*
+* Parse the input_string. It should be in the form <key type>:<key data>[:<ssid>]
+* XXX - For backward compatibility, the a WEP key can be just a string of hexadecimal
+* characters (if WEP key is wrong, null will be returned...).
+*/
+tokens = g_strsplit(input_string,":",0);
+
+/* Tokens is a null termiated array of strings ... */
+while(tokens[n] != NULL)
+ n++;
+
+if(n == 0)
+{
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+}
+
+/*
+* 'n' contains the number of tokens. If the key string is correct, we should have
+* 2 or 3 tokens... If we have 1 token, it can be an 'old style' WEP key... check for it...
+*/
+if(n == 1)
+{
+ /* Maybe it is an 'old style' WEP key */
+ key = g_strdup(tokens[0]);
+
+ /* Create a new string */
+ key_string = g_string_new(key);
+
+ /* Check if it is a correct WEP key */
+ if( ((key_string->len) > WEP_KEY_MAX_CHAR_SIZE) || ((key_string->len) < WEP_KEY_MIN_CHAR_SIZE))
+ {
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+
+ if((key_string->len % 2) != 0)
+ {
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+
+ for(i = 0; i < key_string->len; i++)
+ {
+ if(!g_ascii_isxdigit(key_string->str[i]))
+ {
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+ }
+
+ /* Key is correct! It was probably an 'old style' WEP key */
+ /* Create the decryption_key_t structure, fill it and return it*/
+ dk = g_malloc(sizeof(decryption_key_t));
+
+ dk->type = AIRPDCAP_KEY_TYPE_WEP;
+ dk->key = g_string_new(key);
+ dk->bits = dk->key->len * 4;
+ dk->ssid = NULL;
+
+ g_string_free(key_string, TRUE);
+ g_free(key);
+
+ /* Free the array of strings */
+ g_strfreev(tokens);
+
+ return dk;
+}
+
+/* There were at least 2 tokens... copy the type value */
+type = g_strdup(tokens[0]);
+
+/*
+* The second token is the key (right now it doesn't matter
+* if it is a passphrase or an hexadecimal one)
+*/
+key = g_strdup(tokens[1]);
+
+/* Lower case... */
+g_strdown(type);
+g_strdown(key);
+
+/* Maybe there is a third token (an ssid, if everything else is ok) */
+if(n >= 3)
+{
+ ssid = g_strdup(tokens[2]);
+ g_strdown(ssid);
+}
+else
+{
+ ssid = NULL;
+}
+
+/*
+* Now the initial key string has been divided in two/three tokens... let's see
+* which kind of key it is, and if it is the correct form
+*/
+if(g_strcasecmp(type,STRING_KEY_TYPE_WEP) == 0) /* WEP key */
+{
+ /* Create a new string */
+ key_string = g_string_new(key);
+
+ /* Check if it is a correct WEP key */
+ if( ((key_string->len) > WEP_KEY_MAX_CHAR_SIZE) || ((key_string->len) < WEP_KEY_MIN_CHAR_SIZE))
+ {
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+
+ if((key_string->len % 2) != 0)
+ {
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+
+ for(i = 0; i < key_string->len; i++)
+ {
+ if(!g_ascii_isxdigit(key_string->str[i]))
+ {
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+ }
+
+ dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
+
+ dk->type = AIRPDCAP_KEY_TYPE_WEP;
+ dk->key = g_string_new(key);
+ dk->bits = dk->key->len * 4;
+ dk->ssid = NULL;
+
+ g_string_free(key_string, TRUE);
+ g_free(key);
+
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return dk;
+}
+else if(g_strcasecmp(type,STRING_KEY_TYPE_WPA_PSK) == 0) /* WPA key */
+{
+ /* Create a new string */
+ key_string = g_string_new(key);
+
+ /* Two tokens means that the user should have entered a WPA-BIN key ... */
+ if( ((key_string->len) != WPA_PSK_KEY_CHAR_SIZE))
+ {
+ g_string_free(key_string, TRUE);
+
+ g_free(type);
+ g_free(key);
+ /* No ssid has been created ... */
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+
+ for(i = 0; i < key_string->len; i++)
+ {
+ if(!g_ascii_isxdigit(key_string->str[i]))
+ {
+ g_string_free(key_string, TRUE);
+ /* No ssid_string has been created ... */
+
+ g_free(type);
+ g_free(key);
+ /* No ssid has been created ... */
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+ }
+
+ /* Key was correct!!! Create the new decryption_key_t ... */
+ dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
+
+ dk->type = AIRPDCAP_KEY_TYPE_WPA_PMK;
+ dk->key = g_string_new(key);
+ dk->bits = dk->key->len * 4;
+ dk->ssid = NULL;
+
+ g_string_free(key_string, TRUE);
+ g_free(key);
+ g_free(type);
+
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return dk;
+}
+else if(g_strcasecmp(type,STRING_KEY_TYPE_WPA_PWD) == 0) /* WPA key *//* If the number of tokens is more than three, we accept the string... if the first three tokens are correct... */
+{
+ /* Create a new string */
+ key_string = g_string_new(key);
+ ssid_string = NULL;
+
+
+ /* Three (or more) tokens mean that the user entered a WPA-PWD key ... */
+ if( ((key_string->len) > WPA_KEY_MAX_CHAR_SIZE) || ((key_string->len) < WPA_KEY_MIN_CHAR_SIZE))
+ {
+ g_string_free(key_string, TRUE);
+
+ g_free(type);
+ g_free(key);
+ g_free(ssid);
+
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+
+ if(ssid != NULL) /* more than three tokens found, means that the user specified the ssid */
+ {
+ ssid_string = g_string_new(ssid);
+
+ /*
+ * XXX - Maybe we need some check on the characters? I'm not sure if only standard ASCII are ok...
+ */
+ if( ((ssid_string->len) > WPA_SSID_MAX_CHAR_SIZE) || ((ssid_string->len) < WPA_SSID_MIN_CHAR_SIZE))
+ {
+ g_string_free(key_string, TRUE);
+ g_string_free(ssid_string, TRUE);
+
+ g_free(type);
+ g_free(key);
+ g_free(ssid);
+
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return NULL;
+ }
+ }
+
+ /* Key was correct!!! Create the new decryption_key_t ... */
+ dk = (decryption_key_t*)g_malloc(sizeof(decryption_key_t));
+
+ dk->type = AIRPDCAP_KEY_TYPE_WPA_PWD;
+ dk->key = g_string_new(key);
+ dk->bits = 256; /* This is the lenght of the array pf bytes that will be generated using key+ssid ...*/
+ if(ssid != NULL)
+ dk->ssid = g_string_new(ssid);
+ else
+ dk->ssid = NULL;
+
+ g_string_free(key_string, TRUE);
+ if(ssid_string != NULL) g_string_free(ssid_string, TRUE);
+
+ g_free(type);
+ g_free(key);
+ if(ssid != NULL) g_free(ssid);
+
+ /* Free the array of strings */
+ g_strfreev(tokens);
+ return dk;
+}
+
+/* Something was wrong ... free everything */
+
+g_free(type);
+g_free(key);
+if(ssid != NULL) g_free(ssid); /* It is not always present */
+/* Free the array of strings */
+g_strfreev(tokens);
+
+return NULL;
+}
+
+/*
+ * Returns a newly allocated string representing the given decryption_key_t struct, or NULL if
+ * something is wrong...
+ */
+gchar*
+get_key_string(decryption_key_t* dk)
+{
+gchar* output_string = NULL;
+
+ if(dk == NULL)
+ return NULL;
+
+#ifdef HAVE_AIRPDCAP
+ if(dk->type == AIRPDCAP_KEY_TYPE_WEP)
+ {
+ if(dk->key == NULL) /* Should NOT happen at all... */
+ return NULL;
+
+ output_string = g_strdup_printf("%s:%s",STRING_KEY_TYPE_WEP,dk->key->str);
+ }
+ else if(dk->type == AIRPDCAP_KEY_TYPE_WPA_PWD)
+ {
+ if(dk->key == NULL) /* Should NOT happen at all... */
+ return NULL;
+
+ if(dk->ssid == NULL)
+ output_string = g_strdup_printf("%s:%s",STRING_KEY_TYPE_WPA_PWD,dk->key->str);
+ else
+ output_string = g_strdup_printf("%s:%s:%s",STRING_KEY_TYPE_WPA_PWD,dk->key->str,dk->ssid->str);
+ }
+ else if(dk->type == AIRPDCAP_KEY_TYPE_WPA_PMK)
+ {
+ if(dk->key == NULL) /* Should NOT happen at all... */
+ return NULL;
+
+ output_string = g_strdup_printf("%s:%s",STRING_KEY_TYPE_WPA_PSK,dk->key->str);
+ }
+ else
+ {
+ return NULL;
+ }
+#else /* not HAVE_AIRPDCAP*/
+output_string = g_strdup(dk->key->str);
+#endif
+
+return output_string;
+}
+
#endif /* _WIN32 */
git.samba.org / obnox / wireshark / wip.git / blobdiff