mirror of
https://github.com/berlin-open-wireless-lab/DAWN.git
synced 2025-03-09 15:40:12 +00:00
datastorage/test: improve scalability and performance
datastorage: convert to linked lists and optimise use of pointers
datastorage: AP, client, probe, auth entry and MAC list converted to
linked list
datastorage: functions adjusted to take pointers as parameters
datastorage: optimised sort and search functions added
mac_utils: struct dawn_mac added and comparisons adjusted
general: adjust code to call new datastorage functions
test_storage: large scale 100 AP, 3000 client, 70k probe added
[fix commit]
Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Ian Clowes
Polynomialdivision
parent
2f585043c3
commit
7262cf02d0
20 changed files with 77420 additions and 1437 deletions
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@ -9,20 +9,35 @@
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#include "mac_utils.h"
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#include "utils.h"
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// Core data storage array sizes
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#define ARRAY_AP_LEN 100
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#define ARRAY_CLIENT_LEN 300
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#define PROBE_ARRAY_LEN 1000
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#define DENY_REQ_ARRAY_LEN 100
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/* Mac */
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// ---------------- Defines -------------------
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#define MAC_LIST_LENGTH 100
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// ---------------- Global variables ----------------
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extern uint8_t mac_list[][ETH_ALEN];
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extern struct mac_entry_s *mac_set;
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struct mac_entry_s {
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struct mac_entry_s* next_mac;
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struct dawn_mac mac;
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};
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// ---------------- Functions ----------
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void insert_macs_from_file();
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int insert_to_maclist(uint8_t mac[]);
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int insert_to_maclist(struct dawn_mac mac);
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int mac_in_maclist(uint8_t mac[]);
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int mac_in_maclist(struct dawn_mac mac);
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struct mac_entry_s* insert_to_mac_array(struct mac_entry_s* entry, struct mac_entry_s** insert_pos);
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void mac_array_delete(struct mac_entry_s* entry);
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// ---------------- Global variables ----------------
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@ -97,7 +112,7 @@ extern struct probe_metric_s dawn_metric;
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/*** Core DAWN data structures for tracking network devices and status ***/
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// Define this to remove printing / reporing of fields, and hence observe
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// which fields are evaluated in use.
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// which fields are evaluated in use at compile time.
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// #define DAWN_NO_OUTPUT
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// TODO notes:
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@ -108,9 +123,11 @@ extern struct probe_metric_s dawn_metric;
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// ---------------- Structs ----------------
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typedef struct probe_entry_s {
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uint8_t bssid_addr[ETH_ALEN];
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uint8_t client_addr[ETH_ALEN];
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uint8_t target_addr[ETH_ALEN]; // TODO: Never evaluated?
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struct probe_entry_s* next_probe;
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struct probe_entry_s* next_probe_skip;
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struct dawn_mac client_addr;
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struct dawn_mac bssid_addr;
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struct dawn_mac target_addr; // TODO: Never evaluated?
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uint32_t signal; // eval_probe_metric()
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uint32_t freq; // eval_probe_metric()
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uint8_t ht_capabilities; // eval_probe_metric()
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@ -126,10 +143,17 @@ typedef struct probe_entry_s {
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uint32_t rsni;
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} probe_entry;
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//struct probe_entry_s {
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// struct dawn_mac client_addr;
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// struct dawn_mac bssid_addr;
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// struct probe_entry_s* entry;
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//};
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typedef struct auth_entry_s {
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uint8_t bssid_addr[ETH_ALEN];
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uint8_t client_addr[ETH_ALEN];
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uint8_t target_addr[ETH_ALEN]; // TODO: Never evaluated?
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struct auth_entry_s* next_auth;
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struct dawn_mac bssid_addr;
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struct dawn_mac client_addr;
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struct dawn_mac target_addr; // TODO: Never evaluated?
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uint32_t signal; // TODO: Never evaluated?
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uint32_t freq; // TODO: Never evaluated?
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time_t time; // Never used for removal?
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@ -137,62 +161,42 @@ typedef struct auth_entry_s {
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} auth_entry;
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typedef struct hostapd_notify_entry_s {
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uint8_t bssid_addr[ETH_ALEN];
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uint8_t client_addr[ETH_ALEN];
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struct dawn_mac bssid_addr;
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struct dawn_mac client_addr;
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} hostapd_notify_entry;
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typedef struct auth_entry_s assoc_entry;
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// ---------------- Defines ----------------
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#define DENY_REQ_ARRAY_LEN 100
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#define PROBE_ARRAY_LEN 1000
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#define SSID_MAX_LEN 32
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#define NEIGHBOR_REPORT_LEN 200
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// ---------------- Global variables ----------------
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extern struct auth_entry_s denied_req_array[];
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extern int denied_req_last;
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extern struct auth_entry_s *denied_req_set;
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extern pthread_mutex_t denied_array_mutex;
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extern struct probe_entry_s probe_array[];
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extern int probe_entry_last;
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extern struct probe_entry_s *probe_set;
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extern pthread_mutex_t probe_array_mutex;
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// ---------------- Functions ----------------
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probe_entry insert_to_array(probe_entry entry, int inc_counter, int save_80211k, int is_beacon);
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void probe_array_insert(probe_entry entry);
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probe_entry probe_array_delete(probe_entry entry);
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probe_entry probe_array_get_entry(uint8_t bssid_addr[], uint8_t client_addr[]);
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void remove_old_probe_entries(time_t current_time, long long int threshold);
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void print_probe_array();
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void print_probe_entry(probe_entry entry);
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int eval_probe_metric(struct probe_entry_s probe_entry);
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void denied_req_array_insert(auth_entry entry);
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auth_entry denied_req_array_delete(auth_entry entry);
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auth_entry insert_to_denied_req_array(auth_entry entry, int inc_counter);
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void print_auth_entry(auth_entry entry);
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/* AP, Client */
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#define SIGNATURE_LEN 1024
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#define MAX_INTERFACE_NAME 64
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// ---------------- Structs ----------------
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// Testing only: Removes the ability to find clients via secondary search, hence replicates
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// the pre-optimisation behaviour of only scanning the BSSID+MAC orderd list
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//#define DAWN_CLIENT_SCAN_BC_ONLY
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typedef struct client_s {
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uint8_t bssid_addr[ETH_ALEN];
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uint8_t client_addr[ETH_ALEN];
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struct client_s* next_entry_bc;
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struct client_s* next_skip_entry_bc;
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#ifndef DAWN_CLIENT_SCAN_BC_ONLY
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struct client_s* next_entry_c;
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#endif
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struct dawn_mac bssid_addr;
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struct dawn_mac client_addr;
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char signature[SIGNATURE_LEN]; // TODO: Never evaluated?
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uint8_t ht_supported; // TODO: Never evaluated?
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uint8_t vht_supported; // TODO: Never evaluated?
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@ -214,7 +218,8 @@ typedef struct client_s {
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} client;
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typedef struct ap_s {
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uint8_t bssid_addr[ETH_ALEN];
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struct ap_s* next_ap;
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struct dawn_mac bssid_addr;
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uint32_t freq; // TODO: Never evaluated?
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uint8_t ht_support; // eval_probe_metric()
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uint8_t vht_support; // eval_probe_metric()
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@ -231,71 +236,90 @@ typedef struct ap_s {
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} ap;
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// ---------------- Defines ----------------
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#define ARRAY_AP_LEN 50
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#define TIME_THRESHOLD_AP 30
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#define ARRAY_CLIENT_LEN 1000
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#define TIME_THRESHOLD_CLIENT 30
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#define TIME_THRESHOLD_CLIENT_UPDATE 10
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#define TIME_THRESHOLD_CLIENT_KICK 60
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// ---------------- Global variables ----------------
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extern struct ap_s ap_array[];
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extern int ap_entry_last;
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extern struct ap_s* ap_set;
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extern pthread_mutex_t ap_array_mutex;
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extern struct client_s client_array[];
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extern int client_entry_last;
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extern struct client_s *client_set_bc;
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extern pthread_mutex_t client_array_mutex;
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// ---------------- Functions ----------------
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probe_entry *insert_to_array(probe_entry *entry, int inc_counter, int save_80211k, int is_beacon);
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int probe_array_update_rssi(uint8_t bssid_addr[], uint8_t client_addr[], uint32_t rssi, int send_network);
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int probe_array_delete(probe_entry *entry);
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int probe_array_update_rcpi_rsni(uint8_t bssid_addr[], uint8_t client_addr[], uint32_t rcpi, uint32_t rsni, int send_network);
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probe_entry *probe_array_get_entry(struct dawn_mac bssid_addr, struct dawn_mac client_addr);
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void remove_old_probe_entries(time_t current_time, long long int threshold);
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void print_probe_array();
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void print_probe_entry(probe_entry *entry);
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int eval_probe_metric(struct probe_entry_s * probe_entry, ap *ap_entry);
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void denied_req_array_delete(auth_entry *entry);
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auth_entry *insert_to_denied_req_array(auth_entry*entry, int inc_counter);
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void print_auth_entry(auth_entry *entry);
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// ---------------- Functions ----------------
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int probe_array_update_rssi(struct dawn_mac bssid_addr, struct dawn_mac client_addr, uint32_t rssi, int send_network);
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int probe_array_update_rcpi_rsni(struct dawn_mac bssid_addr, struct dawn_mac client_addr, uint32_t rcpi, uint32_t rsni, int send_network);
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void remove_old_client_entries(time_t current_time, long long int threshold);
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void insert_client_to_array(client entry);
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void insert_client_to_array(client *entry);
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int kick_clients(uint8_t bssid[], uint32_t id);
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int kick_clients(ap* kicking_ap, uint32_t id);
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void update_iw_info(uint8_t bssid[]);
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void update_iw_info(struct dawn_mac bssid);
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void client_array_insert(client entry);
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void client_array_insert(client *entry, client ** insert_pos);
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client client_array_get_client(const uint8_t* client_addr);
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client *client_array_get_client(const struct dawn_mac client_addr);
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client client_array_delete(client entry);
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client *client_array_delete(client *entry, int unlink_only);
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void print_client_array();
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void print_client_entry(client entry);
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void print_client_entry(client *entry);
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int is_connected_somehwere(uint8_t client_addr[]);
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int is_connected_somehwere(struct dawn_mac client_addr);
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ap insert_to_ap_array(ap entry);
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ap *insert_to_ap_array(ap *entry);
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void remove_old_ap_entries(time_t current_time, long long int threshold);
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void print_ap_array();
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ap ap_array_get_ap(uint8_t bssid_addr[]);
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ap *ap_array_get_ap(struct dawn_mac bssid_mac);
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int probe_array_set_all_probe_count(uint8_t client_addr[], uint32_t probe_count);
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int probe_array_set_all_probe_count(struct dawn_mac client_addr, uint32_t probe_count);
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#ifndef DAWN_NO_OUTPUT
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int ap_get_collision_count(int col_domain);
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#endif
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void send_beacon_reports(uint8_t bssid[], int id);
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void send_beacon_reports(struct dawn_mac bssid, int id);
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/* Utils */
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// deprecate use of this - it makes things slow
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#define SORT_LENGTH 5
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extern char sort_string[];
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// ---------------- Functions -------------------
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int better_ap_available(uint8_t bssid_addr[], uint8_t client_addr[], char* neighbor_report, int automatic_kick);
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int better_ap_available(ap *kicking_ap, struct dawn_mac client_addr, char* neighbor_report);
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// All users of datastorage should call init_ / destroy_mutex at initialisation and termination respectively
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int init_mutex();
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@ -4,6 +4,8 @@
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#include <stddef.h>
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#include <stdint.h>
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#include "mac_utils.h"
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// ---------------- Global variables ----------------
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#define HOSTAPD_DIR_LEN 200
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extern char hostapd_dir_glob[];
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@ -14,7 +16,7 @@ extern char hostapd_dir_glob[];
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* @param client_addr - mac adress of the client
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* @return The RSSI of the client if successful. INT_MIN if client was not found.
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*/
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int get_rssi_iwinfo(uint8_t *client_addr);
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int get_rssi_iwinfo(struct dawn_mac client_addr);
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/**
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* Get expected throughut using the mac adress of the client.
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@ -25,7 +27,7 @@ int get_rssi_iwinfo(uint8_t *client_addr);
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* + INT_MIN if client was not found.
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* + 0 if the client is not supporting this feature.
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*/
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int get_expected_throughput_iwinfo(uint8_t *client_addr);
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int get_expected_throughput_iwinfo(struct dawn_mac client_addr);
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/**
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* Get rx and tx bandwidth using the mac of the client.
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@ -35,7 +37,7 @@ int get_expected_throughput_iwinfo(uint8_t *client_addr);
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* @param tx_rate - float pointer for returning the tx rate
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* @return 0 if successful 1 otherwise.
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*/
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int get_bandwidth_iwinfo(uint8_t *client_addr, float *rx_rate, float *tx_rate);
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int get_bandwidth_iwinfo(struct dawn_mac client_addr, float *rx_rate, float *tx_rate);
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/**
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* Function checks if two bssid adresses have the same essid.
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@ -44,7 +46,7 @@ int get_bandwidth_iwinfo(uint8_t *client_addr, float *rx_rate, float *tx_rate);
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* @param bssid_addr_to_compares
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* @return 1 if the bssid adresses have the same essid.
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*/
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int compare_essid_iwinfo(uint8_t *bssid_addr, uint8_t *bssid_addr_to_compare);
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int compare_essid_iwinfo(struct dawn_mac bssid_addr, struct dawn_mac bssid_addr_to_compare);
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/**
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* Function returns the expected throughput using the interface and the client address.
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@ -55,9 +57,9 @@ int compare_essid_iwinfo(uint8_t *bssid_addr, uint8_t *bssid_addr_to_compare);
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* + INT_MIN if client was not found.
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* + 0 if the client is not supporting this feature.
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*/
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int get_expected_throughput(const char *ifname, uint8_t *client_addr);
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int get_expected_throughput(const char *ifname, struct dawn_mac client_addr);
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int get_bssid(const char *ifname, uint8_t *bssid_addr);
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int get_bssid(const char *ifname, uint8_t bssid_addr[]);
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int get_ssid(const char *ifname, char *ssid, size_t ssidmax);
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@ -2,6 +2,7 @@
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#define __DAWN_MAC_UTILS_H
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#include <stdint.h>
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#include <string.h>
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#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
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#define STR2MAC(a) &(a)[0], &(a)[1], &(a)[2], &(a)[3], &(a)[4], &(a)[5]
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@ -13,6 +14,22 @@
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#define ETH_ALEN 6
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#endif
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// Simplify some handling of MAC addresses
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struct __attribute__((__packed__)) dawn_mac
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{
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uint8_t u8[ETH_ALEN];
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};
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// Compare a raw MAC address to 00:00:00:00:00:00
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#define mac_is_null(a1) ((a1)[0] == 0) && ((a1)[1] == 0) && ((a1)[2] == 0) && ((a1)[3] == 0) && ((a1)[4] == 0) && ((a1)[5] == 0)
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// For byte arrays outside MAC structure
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#define mac_is_equal(addr1, addr2) (memcmp(addr1, addr2, ETH_ALEN) == 0)
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// For byte arrays inside MAC structure
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#define mac_compare_bb(addr1, addr2) memcmp((addr1).u8, (addr2).u8, ETH_ALEN)
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#define mac_is_equal_bb(addr1, addr2) (memcmp((addr1).u8, (addr2).u8, ETH_ALEN) == 0)
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/**
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* Convert mac adress string to mac adress.
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* @param txt
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@ -21,23 +38,11 @@
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*/
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int hwaddr_aton(const char* txt, uint8_t* addr);
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/**
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* Convert mac to use big characters.
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* @param in
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* @param out
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* @return
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*/
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int convert_mac(char* in, char* out);
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/**
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* Write mac to a file.
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* @param path
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* @param addr
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*/
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void write_mac_to_file(char* path, uint8_t addr[]);
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int mac_is_equal(const uint8_t addr1[], const uint8_t addr2[]);
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int mac_is_greater(const uint8_t addr1[], const uint8_t addr2[]);
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void write_mac_to_file(char* path, struct dawn_mac addr);
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#endif
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@ -11,7 +11,7 @@
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* @param prob_req
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* @return
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*/
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int parse_to_probe_req(struct blob_attr* msg, probe_entry* prob_req);
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probe_entry *parse_to_probe_req(struct blob_attr* msg);
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/**
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* Dump a client array into the database.
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@ -7,8 +7,10 @@
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** Contains declerations, etc needed across datastorage and its test harness,
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** but not more widely.
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*/
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void ap_array_insert(ap entry);
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void ap_array_insert(ap *entry);
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ap ap_array_delete(ap entry);
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int ap_array_delete(ap *entry);
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auth_entry** auth_entry_find_first_entry(struct dawn_mac bssid_mac, struct dawn_mac client_mac);
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#endif
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||||
|
|
|
|||
|
|
@ -60,7 +60,7 @@ int parse_to_assoc_req(struct blob_attr *msg, assoc_entry *assoc_req);
|
|||
* @param deauth - if the client should be deauthenticated.
|
||||
* @param ban_time - the ban time the client is not allowed to connect again.
|
||||
*/
|
||||
void del_client_all_interfaces(const uint8_t *client_addr, uint32_t reason, uint8_t deauth, uint32_t ban_time);
|
||||
void del_client_all_interfaces(const struct dawn_mac client_addr, uint32_t reason, uint8_t deauth, uint32_t ban_time);
|
||||
|
||||
/**
|
||||
* Update the hostapd sockets.
|
||||
|
|
@ -73,9 +73,9 @@ void update_hostapd_sockets(struct uloop_timeout *t);
|
|||
* @param client_addr
|
||||
* @return
|
||||
*/
|
||||
int send_add_mac(uint8_t *client_addr);
|
||||
int send_add_mac(struct dawn_mac client_addr);
|
||||
|
||||
void ubus_send_beacon_report(uint8_t client[], int id);
|
||||
void ubus_send_beacon_report(struct dawn_mac client, int id);
|
||||
|
||||
void uloop_add_data_cbs();
|
||||
|
||||
|
|
@ -85,7 +85,7 @@ int build_hearing_map_sort_client(struct blob_buf* b);
|
|||
|
||||
int build_network_overview(struct blob_buf* b);
|
||||
|
||||
int ap_get_nr(struct blob_buf* b, uint8_t own_bssid_addr[]);
|
||||
int ap_get_nr(struct blob_buf* b, struct dawn_mac own_bssid_addr);
|
||||
|
||||
int parse_add_mac_to_file(struct blob_attr* msg);
|
||||
|
||||
|
|
@ -96,7 +96,7 @@ int handle_auth_req(struct blob_attr* msg);
|
|||
* @param probe_entry
|
||||
* @return
|
||||
*/
|
||||
int ubus_send_probe_via_network(struct probe_entry_s probe_entry);
|
||||
int ubus_send_probe_via_network(struct probe_entry_s *probe_entry);
|
||||
|
||||
/**
|
||||
* Add mac to a list that contains addresses of clients that can not be controlled.
|
||||
|
|
@ -104,7 +104,7 @@ int ubus_send_probe_via_network(struct probe_entry_s probe_entry);
|
|||
* @param name
|
||||
* @param addr
|
||||
*/
|
||||
void blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const uint8_t *addr);
|
||||
void blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const struct dawn_mac addr);
|
||||
|
||||
/**
|
||||
* Send message via network.
|
||||
|
|
@ -128,7 +128,7 @@ void add_client_update_timer(time_t time);
|
|||
* @param deauth - if the client should be deauthenticated.
|
||||
* @param ban_time - the ban time the client is not allowed to connect again.
|
||||
*/
|
||||
void del_client_interface(uint32_t id, const uint8_t* client_addr, uint32_t reason, uint8_t deauth, uint32_t ban_time);
|
||||
void del_client_interface(uint32_t id, const struct dawn_mac client_addr, uint32_t reason, uint8_t deauth, uint32_t ban_time);
|
||||
|
||||
/**
|
||||
* Function to set the probe counter to the min probe request.
|
||||
|
|
@ -136,7 +136,7 @@ void del_client_interface(uint32_t id, const uint8_t* client_addr, uint32_t reas
|
|||
* @param client_addr
|
||||
* @return
|
||||
*/
|
||||
int send_set_probe(uint8_t client_addr[]);
|
||||
int send_set_probe(struct dawn_mac client_addr);
|
||||
|
||||
/**
|
||||
* Function to tell a client that it is about to be disconnected.
|
||||
|
|
@ -146,6 +146,6 @@ int send_set_probe(uint8_t client_addr[]);
|
|||
* @param duration
|
||||
* @return - 0 = asynchronous (client has been told to remove itself, and caller should manage arrays); 1 = synchronous (caller should assume arrays are updated)
|
||||
*/
|
||||
int wnm_disassoc_imminent(uint32_t id, const uint8_t* client_addr, char* dest_ap, uint32_t duration);
|
||||
int wnm_disassoc_imminent(uint32_t id, const struct dawn_mac client_addr, char* dest_ap, uint32_t duration);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -3,19 +3,12 @@
|
|||
|
||||
#include <stdint.h>
|
||||
|
||||
/**
|
||||
* Convert char to binary.
|
||||
* @param ch
|
||||
* @return
|
||||
*/
|
||||
int hex_to_dec(char ch);
|
||||
|
||||
/**
|
||||
* Check if a string is greater than another one.
|
||||
* @param str
|
||||
* @param str_2
|
||||
* @return
|
||||
*/
|
||||
int string_is_greater(uint8_t *str, uint8_t *str_2);
|
||||
int string_is_greater(char *str, char *str_2);
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue