Mercurial > dovecot > core-2.2
view src/auth/password-scheme-otp.c @ 22614:cf66220d281e
doveadm proxy: Don't crash if remote doesn't support log proxying
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
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date | Sat, 14 Oct 2017 12:54:18 +0300 |
parents | d0d7b810646b |
children |
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/* * OTP password scheme. * * Copyright (c) 2006 Andrey Panin <pazke@donpac.ru> * * This software is released under the MIT license. */ #include "lib.h" #include "hex-binary.h" #include "password-scheme.h" #include "randgen.h" #include "otp.h" int password_generate_otp(const char *pw, const char *state_data, unsigned int algo, const char **result_r) { struct otp_state state; if (state_data != NULL) { if (otp_parse_dbentry(state_data, &state) != 0) return -1; } else { /* Generate new OTP credentials from plaintext */ unsigned char random_data[OTP_MAX_SEED_LEN / 2]; const char *random_hex; random_fill(random_data, sizeof(random_data)); random_hex = binary_to_hex(random_data, sizeof(random_data)); if (i_strocpy(state.seed, random_hex, sizeof(state.seed)) < 0) i_unreached(); state.seq = 1024; state.algo = algo; } otp_hash(state.algo, state.seed, pw, state.seq, state.hash); *result_r = otp_print_dbentry(&state); return 0; }