| … | |
… | |
| 197 | // only do action once every x seconds per host whole allowing bursts. |
197 | // only do action once every x seconds per host whole allowing bursts. |
| 198 | // this implementation ("splay list" ;) is inefficient, |
198 | // this implementation ("splay list" ;) is inefficient, |
| 199 | // but low on resources. |
199 | // but low on resources. |
| 200 | struct net_rate_limiter : list<net_rateinfo> |
200 | struct net_rate_limiter : list<net_rateinfo> |
| 201 | { |
201 | { |
| 202 | static const double ALPHA = 1. - 1. / 180.; // allow bursts |
202 | static const double ALPHA = 1. - 1. / 600.; // allow bursts |
| 203 | static const double CUTOFF = 10.; // one event every CUTOFF seconds |
203 | static const double CUTOFF = 10.; // one event every CUTOFF seconds |
| 204 | static const double EXPIRE = CUTOFF * 30.; // expire entries after this time |
204 | static const double EXPIRE = CUTOFF * 30.; // expire entries after this time |
| 205 | static const double MAXDIF = CUTOFF * (1. / (1. - ALPHA)); // maximum diff /count value |
205 | static const double MAXDIF = CUTOFF * (1. / (1. - ALPHA)); // maximum diff /count value |
| 206 | |
206 | |
| 207 | bool can (const sockinfo &si) { return can((u32)si.host); } |
207 | bool can (const sockinfo &si) { return can((u32)si.host); } |
| 208 | bool can (u32 host); |
208 | bool can (u32 host); |
| 209 | }; |
209 | }; |
| 210 | |
210 | |
| 211 | net_rate_limiter auth_rate_limiter, reset_rate_limiter; |
211 | net_rate_limiter auth_rate_limiter, reset_rate_limiter; |
| 212 | |
212 | |
| … | |
… | |
| 910 | rsachallenge k; |
910 | rsachallenge k; |
| 911 | |
911 | |
| 912 | if (0 > RSA_private_decrypt (sizeof (p->encr), |
912 | if (0 > RSA_private_decrypt (sizeof (p->encr), |
| 913 | (unsigned char *)&p->encr, (unsigned char *)&k, |
913 | (unsigned char *)&p->encr, (unsigned char *)&k, |
| 914 | ::conf.rsa_key, RSA_PKCS1_OAEP_PADDING)) |
914 | ::conf.rsa_key, RSA_PKCS1_OAEP_PADDING)) |
| 915 | slog (L_ERR, _("%s(%s): challenge illegal or corrupted"), |
915 | slog (L_ERR, _("%s(%s): challenge illegal or corrupted (%s). mismatched key or config file?"), |
| 916 | conf->nodename, (const char *)rsi); |
916 | conf->nodename, (const char *)rsi, ERR_error_string (ERR_get_error (), 0)); |
| 917 | else |
917 | else |
| 918 | { |
918 | { |
| 919 | delete octx; |
919 | delete octx; |
| 920 | |
920 | |
| 921 | octx = new crypto_ctx (k, 1); |
921 | octx = new crypto_ctx (k, 1); |
