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bouncer: Add condition for 'Network'

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lorenz.stechauner committed 2026-11-13 18:55:25 +01:00
1 parent 3e129aaa9a
commit f61cd51081
1 file changed
+31 -15
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src/lib/bouncer.c
+31 -15
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@@ -50,14 +50,18 @@ int bouncer_get_cid(const struct sockaddr_in6 *addr) {
}
}
volatile static time_t last = 0;
static long start = 0;
volatile static long last = 0;
volatile static unsigned char visits[BOUNCER_SLOTS][1048576][4];
static sem_t sem;
static int bouncer_slot(void);
int bouncer_init(void) {
if (sem_init(&sem, 0, 1) != 0) {
return -1;
}
start = time(NULL) / BOUNCER_SECONDS_PER_SLOT;
return 0;
}
@@ -65,8 +69,8 @@ void bouncer_destroy(void) {
sem_destroy(&sem);
}
static int bouncer_slot() {
const int slot = time(NULL) / BOUNCER_SECONDS_PER_SLOT;
static int bouncer_slot(void) {
const long slot = time(NULL) / BOUNCER_SECONDS_PER_SLOT;
while (sem_wait(&sem) != 0) {
if (errno != EINTR) return -1;
@@ -75,8 +79,8 @@ static int bouncer_slot() {
if (slot - last > BOUNCER_SLOTS) {
memset((void *)visits, 0, sizeof(visits));
} else {
for (int i = last + 1; i <= slot; i++) {
memset((void *)visits[i % 60], 0, sizeof(visits[0]));
for (long i = last + 1; i <= slot; i++) {
memset((void *)visits[i % BOUNCER_SLOTS], 0, sizeof(visits[0]));
}
}
sem_post(&sem);
@@ -88,22 +92,34 @@ static int bouncer_slot() {
int bouncer_authorize(const int cid) {
const int slot = bouncer_slot();
if (cid < 0) return 1;
const int net = cid & 0xfff00;
int net_success_1h = 0, net_redirect_1h = 0, net_fail_1h = 0, net_other_1h = 0;
int success_1h = 0, redirect_1h = 0, fail_1h = 0, other_1h = 0;
int success_5m = 0, redirect_5m = 0, fail_5m = 0, other_5m = 0;
for (int i = 0; i < BOUNCER_SLOTS; i++) {
success_1h += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][0];
redirect_1h += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][1];
fail_1h += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][2];
other_1h += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][3];
const int s = (slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS;
success_1h += visits[s][cid][0];
redirect_1h += visits[s][cid][1];
fail_1h += visits[s][cid][2];
other_1h += visits[s][cid][3];
for (int j = 0; j < 256; j++) {
net_success_1h += visits[s][net | j][0];
net_redirect_1h += visits[s][net | j][1];
net_fail_1h += visits[s][net | j][2];
net_other_1h += visits[s][net | j][3];
}
if (i <= 5) {
success_5m += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][0];
redirect_5m += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][1];
fail_5m += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][2];
other_5m += visits[(slot - i + BOUNCER_SLOTS) % BOUNCER_SLOTS][cid][3];
success_5m += visits[s][cid][0];
redirect_5m += visits[s][cid][1];
fail_5m += visits[s][cid][2];
other_5m += visits[s][cid][3];
}
}
const int total_1h = success_1h + redirect_1h + fail_1h + other_1h;
if (total_1h > 1000) {
const long diff = slot - start;
const int mult = diff > 35 ? 1 : diff > 25 ? 2 : diff > 15 ? 3 : 4;
const int net_total_1h = (net_success_1h + net_redirect_1h + net_fail_1h + net_other_1h) * mult;
const int total_1h = (success_1h + redirect_1h + fail_1h + other_1h) * mult;
if (net_total_1h > 2000 || total_1h > 1000) {
return 3600;
} else if (fail_5m > 10 && fail_5m > success_5m * 2) {
return 300;