| … | |
… | |
| 34 | #include "conf.h" |
34 | #include "conf.h" |
| 35 | #include "slog.h" |
35 | #include "slog.h" |
| 36 | #include "device.h" |
36 | #include "device.h" |
| 37 | #include "vpn.h" |
37 | #include "vpn.h" |
| 38 | #include "connection.h" |
38 | #include "connection.h" |
|
|
39 | |
|
|
40 | #include "netcompat.h" |
| 39 | |
41 | |
| 40 | #if !HAVE_RAND_PSEUDO_BYTES |
42 | #if !HAVE_RAND_PSEUDO_BYTES |
| 41 | # define RAND_pseudo_bytes RAND_bytes |
43 | # define RAND_pseudo_bytes RAND_bytes |
| 42 | #endif |
44 | #endif |
| 43 | |
45 | |
| … | |
… | |
| 910 | rsachallenge k; |
912 | rsachallenge k; |
| 911 | |
913 | |
| 912 | if (0 > RSA_private_decrypt (sizeof (p->encr), |
914 | if (0 > RSA_private_decrypt (sizeof (p->encr), |
| 913 | (unsigned char *)&p->encr, (unsigned char *)&k, |
915 | (unsigned char *)&p->encr, (unsigned char *)&k, |
| 914 | ::conf.rsa_key, RSA_PKCS1_OAEP_PADDING)) |
916 | ::conf.rsa_key, RSA_PKCS1_OAEP_PADDING)) |
| 915 | slog (L_ERR, _("%s(%s): challenge illegal or corrupted"), |
917 | slog (L_ERR, _("%s(%s): challenge illegal or corrupted (%s). mismatched key or config file?"), |
| 916 | conf->nodename, (const char *)rsi); |
918 | conf->nodename, (const char *)rsi, ERR_error_string (ERR_get_error (), 0)); |
| 917 | else |
919 | else |
| 918 | { |
920 | { |
| 919 | delete octx; |
921 | delete octx; |
| 920 | |
922 | |
| 921 | octx = new crypto_ctx (k, 1); |
923 | octx = new crypto_ctx (k, 1); |
| … | |
… | |
| 954 | |
956 | |
| 955 | rsachallenge chg; |
957 | rsachallenge chg; |
| 956 | |
958 | |
| 957 | if (!rsa_cache.find (p->id, chg)) |
959 | if (!rsa_cache.find (p->id, chg)) |
| 958 | { |
960 | { |
| 959 | slog (L_ERR, _("%s(%s): unrequested auth response"), |
961 | slog (L_ERR, _("%s(%s): unrequested auth response ignored"), |
| 960 | conf->nodename, (const char *)rsi); |
962 | conf->nodename, (const char *)rsi); |
| 961 | break; |
963 | break; |
| 962 | } |
964 | } |
| 963 | else |
965 | else |
| 964 | { |
966 | { |
| 965 | crypto_ctx *cctx = new crypto_ctx (chg, 0); |
967 | crypto_ctx *cctx = new crypto_ctx (chg, 0); |
| 966 | |
968 | |
| 967 | if (!p->hmac_chk (cctx)) |
969 | if (!p->hmac_chk (cctx)) |
|
|
970 | { |
| 968 | slog (L_ERR, _("%s(%s): hmac authentication error on auth response, received invalid packet\n" |
971 | slog (L_ERR, _("%s(%s): hmac authentication error on auth response, received invalid packet\n" |
| 969 | "could be an attack, or just corruption or an synchronization error"), |
972 | "could be an attack, or just corruption or an synchronization error"), |
| 970 | conf->nodename, (const char *)rsi); |
973 | conf->nodename, (const char *)rsi); |
|
|
974 | break; |
|
|
975 | } |
| 971 | else |
976 | else |
| 972 | { |
977 | { |
| 973 | rsaresponse h; |
978 | rsaresponse h; |
| 974 | |
979 | |
| 975 | rsa_hash (p->id, chg, h); |
980 | rsa_hash (p->id, chg, h); |
