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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:51:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:51:24 +0000 |
commit | f7548d6d28c313cf80e6f3ef89aed16a19815df1 (patch) | |
tree | a3f6f2a3f247293bee59ecd28e8cd8ceb6ca064a /src/auth/password-scheme-otp.c | |
parent | Initial commit. (diff) | |
download | dovecot-f7548d6d28c313cf80e6f3ef89aed16a19815df1.tar.xz dovecot-f7548d6d28c313cf80e6f3ef89aed16a19815df1.zip |
Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/auth/password-scheme-otp.c')
-rw-r--r-- | src/auth/password-scheme-otp.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/auth/password-scheme-otp.c b/src/auth/password-scheme-otp.c new file mode 100644 index 0000000..ad7951b --- /dev/null +++ b/src/auth/password-scheme-otp.c @@ -0,0 +1,40 @@ +/* + * 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; +} |