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* jail.[ch]

* add 'findtime' option
  * rename 'tries' -> 'maxretry'
master
Alex 'AdUser' Z 8 years ago
parent
commit
f61a538131
  1. 30
      src/jail.c
  2. 3
      src/jail.h

30
src/jail.c

@ -1,14 +1,16 @@
#include "common.h" #include "common.h"
#include "jail.h" #include "jail.h"
#define DEFAULT_STATE true #define DEFAULT_STATE true
#define DEFAULT_BANTIME 3600 /* in seconds, 1 hour */ #define DEFAULT_BANTIME 3600 /* in seconds, 1 hour */
#define DEFAULT_TRIES 5 #define DEFAULT_FINDTIME 300 /* in seconds, 5 min */
#define DEFAULT_MAXRETRY 5
static f2b_jail_t defaults = { static f2b_jail_t defaults = {
.enabled = DEFAULT_STATE, .enabled = DEFAULT_STATE,
.bantime = DEFAULT_BANTIME, .bantime = DEFAULT_BANTIME,
.tries = DEFAULT_TRIES, .findtime = DEFAULT_FINDTIME,
.maxretry = DEFAULT_MAXRETRY,
}; };
void void
@ -54,10 +56,16 @@ f2b_jail_apply_config(f2b_jail_t *jail, f2b_config_section_t *section) {
jail->bantime = DEFAULT_BANTIME; jail->bantime = DEFAULT_BANTIME;
continue; continue;
} }
if (strcmp(param->name, "tries") == 0) { if (strcmp(param->name, "findtime") == 0) {
jail->bantime = atoi(param->value); jail->findtime = atoi(param->value);
if (jail->tries <= 0) if (jail->findtime <= 0)
jail->tries = DEFAULT_TRIES; jail->findtime = DEFAULT_FINDTIME;
continue;
}
if (strcmp(param->name, "maxretry") == 0) {
jail->maxretry = atoi(param->value);
if (jail->maxretry <= 0)
jail->maxretry = DEFAULT_MAXRETRY;
continue; continue;
} }
if (strcmp(param->name, "source") == 0) { if (strcmp(param->name, "source") == 0) {
@ -170,7 +178,7 @@ f2b_jail_process(f2b_jail_t *jail) {
addr = f2b_addrlist_lookup(jail->ipaddrs, matchbuf); addr = f2b_addrlist_lookup(jail->ipaddrs, matchbuf);
if (!addr) { if (!addr) {
/* new ip */ /* new ip */
addr = f2b_ipaddr_create(matchbuf, jail->tries); addr = f2b_ipaddr_create(matchbuf, jail->maxretry);
addr->lastseen = now; addr->lastseen = now;
f2b_matches_append(&addr->matches, now); f2b_matches_append(&addr->matches, now);
jail->ipaddrs = f2b_addrlist_append(jail->ipaddrs, addr); jail->ipaddrs = f2b_addrlist_append(jail->ipaddrs, addr);
@ -183,9 +191,9 @@ f2b_jail_process(f2b_jail_t *jail) {
f2b_log_msg(log_warn, "found ip that was already banned by jail '%s': %s", jail->name, matchbuf); f2b_log_msg(log_warn, "found ip that was already banned by jail '%s': %s", jail->name, matchbuf);
continue; continue;
} }
f2b_matches_expire(&addr->matches, now - jail->bantime); f2b_matches_expire(&addr->matches, now - jail->findtime);
f2b_matches_append(&addr->matches, now); f2b_matches_append(&addr->matches, now);
if (addr->matches.used < jail->tries) { if (addr->matches.used < jail->maxretry) {
f2b_log_msg(log_debug, "new match in jail '%s': %s (%d/%d)", jail->name, matchbuf, addr->matches.used, addr->matches.max); f2b_log_msg(log_debug, "new match in jail '%s': %s (%d/%d)", jail->name, matchbuf, addr->matches.used, addr->matches.max);
continue; continue;
} }

3
src/jail.h

@ -13,7 +13,8 @@ typedef struct f2b_jail_t {
struct f2b_jail_t *next; struct f2b_jail_t *next;
bool enabled; bool enabled;
time_t bantime; time_t bantime;
size_t tries; time_t findtime;
size_t maxretry;
char name[CONFIG_KEY_MAX]; char name[CONFIG_KEY_MAX];
char glob[PATH_MAX]; char glob[PATH_MAX];
char backend_name[CONFIG_KEY_MAX]; char backend_name[CONFIG_KEY_MAX];

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