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Use size_t instead of int or unsigned int for configuration items

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While int and unsigned int are not going overflow in practice as 32-bit
values, these could at least in theory hit an integer overflow with
16-bit int. Use size_t to avoid such potential issue cases.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2020-03-22 17:46:45 +02:00
parent 4391ddd639
commit d2d16e3100
4 changed files with 9 additions and 9 deletions
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6
wpa_supplicant/config.c
View File

@ -2612,7 +2612,7 @@ static const struct parse_data ssid_fields[] = {
int wpa_config_add_prio_network(struct wpa_config *config,
struct wpa_ssid *ssid)
{
int prio;
size_t prio;
struct wpa_ssid *prev, **nlist;
/*
@ -4318,7 +4318,7 @@ struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
*/
void wpa_config_debug_dump_networks(struct wpa_config *config)
{
int prio;
size_t prio;
struct wpa_ssid *ssid;
for (prio = 0; prio < config->num_prio; prio++) {
@ -4649,7 +4649,7 @@ static int wpa_config_process_p2p_pref_chan(
struct wpa_config *config, int line, const char *pos)
{
struct p2p_channel *pref = NULL, *n;
unsigned int num = 0;
size_t num = 0;
const char *pos2;
u8 op_class, chan;

4
wpa_supplicant/config.h
View File

@ -332,7 +332,7 @@ struct wpa_cred {
*/
unsigned int max_bss_load;
unsigned int num_req_conn_capab;
size_t num_req_conn_capab;
u8 *req_conn_capab_proto;
int **req_conn_capab_port;
@ -403,7 +403,7 @@ struct wpa_config {
* This indicates how many per-priority network lists are included in
* pssid.
*/
int num_prio;
size_t num_prio;
/**
* cred - Head of the credential list

4
wpa_supplicant/events.c
View File

@ -1536,7 +1536,7 @@ struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
struct wpa_ssid **selected_ssid)
{
struct wpa_bss *selected = NULL;
int prio;
size_t prio;
struct wpa_ssid *next_ssid = NULL;
struct wpa_ssid *ssid;
@ -1691,7 +1691,7 @@ int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
static struct wpa_ssid *
wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
{
int prio;
size_t prio;
struct wpa_ssid *ssid;
for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {

4
wpa_supplicant/scan.c
View File

@ -2628,8 +2628,8 @@ void wpa_scan_free_params(struct wpa_driver_scan_params *params)
int wpas_start_pno(struct wpa_supplicant *wpa_s)
{
int ret, prio;
size_t i, num_ssid, num_match_ssid;
int ret;
size_t prio, i, num_ssid, num_match_ssid;
struct wpa_ssid *ssid;
struct wpa_driver_scan_params params;
struct sched_scan_plan scan_plan;