passdb.c revision 5367840b91df098e016f382960c391691c8d33ff
e59faf65ce864fe95dc00f5d52b8323cdbd0608aTimo Sirainen/* Copyright (c) 2002-2010 Dovecot authors, see the included COPYING file */
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenstatic ARRAY_DEFINE(passdb_interfaces, struct passdb_module_interface *);
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainenstatic ARRAY_DEFINE(passdb_modules, struct passdb_module *);
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenstatic struct passdb_module_interface *passdb_interface_find(const char *name)
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainen struct passdb_module_interface *const *ifaces;
7bd72e4deca3cbf757dd1ea298486d9f3bc24226Timo Sirainen struct passdb_module_interface *iface = *ifaces;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenvoid passdb_register_module(struct passdb_module_interface *iface)
5c99eaa4e3e07ee065580d163240b4ce95b66befTimo Sirainen old_iface = passdb_interface_find(iface->name);
5c99eaa4e3e07ee065580d163240b4ce95b66befTimo Sirainen if (old_iface != NULL && old_iface->verify_plain == NULL) {
5c99eaa4e3e07ee065580d163240b4ce95b66befTimo Sirainen /* replacing a "support not compiled in" passdb */
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainen i_panic("passdb_register_module(%s): Already registered",
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenvoid passdb_unregister_module(struct passdb_module_interface *iface)
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainen struct passdb_module_interface *const *ifaces;
7bd72e4deca3cbf757dd1ea298486d9f3bc24226Timo Sirainen unsigned int idx;
7bd72e4deca3cbf757dd1ea298486d9f3bc24226Timo Sirainen idx = array_foreach_idx(&passdb_interfaces, ifaces);
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainen i_panic("passdb_unregister_module(%s): Not registered", iface->name);
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainenbool passdb_get_credentials(struct auth_request *auth_request,
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen const unsigned char **credentials_r, size_t *size_r)
a8e132559a7ebe54c8269d79ce29fa3338c76199Timo Sirainen const char *wanted_scheme = auth_request->credentials_scheme;
430c0b0c370bebeeceba2e206be76bc134742f41Timo Sirainen password_scheme_is_alias(input_scheme, "PLAIN")) {
430c0b0c370bebeeceba2e206be76bc134742f41Timo Sirainen /* we've a plaintext scheme and we prefer to get it instead
430c0b0c370bebeeceba2e206be76bc134742f41Timo Sirainen of converting it to the fallback scheme */
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen ret = password_decode(input, input_scheme, credentials_r, size_r);
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen auth_request_log_error(auth_request, "password",
88f73e2ed3e99417255c90890fa46e11e6378c9dTimo Sirainen "Password in passdb is not in expected scheme %s",
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen auth_request_log_error(auth_request, "password",
b4f2560c29dacd066ba89e782d95ceed7ac473a3Timo Sirainen /* anything goes. change the credentials_scheme to what we
b4f2560c29dacd066ba89e782d95ceed7ac473a3Timo Sirainen actually got, so blocking passdbs work. */
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen if (!password_scheme_is_alias(input_scheme, wanted_scheme)) {
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen if (!password_scheme_is_alias(input_scheme, "PLAIN")) {
49e513d090753ccbf95560b2f3a21f081a5b6c51Timo Sirainen "Requested %s scheme, but we have only %s",
ac713658d206e8d001fef7c0e36945793f2eb942Timo Sirainen auth_request_log_info(auth_request, "password",
517d1e7142d57299c733b30423e35e7e1f8d01d6Timo Sirainen /* we can generate anything out of plaintext passwords */
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen plaintext = t_strndup(*credentials_r, *size_r);
446e518e4fe86ff40e33543445f4e99edf840a21Timo Sirainen /* domain must not be used as realm. add the @realm. */
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk auth_request_log_debug(auth_request, "password",
446e518e4fe86ff40e33543445f4e99edf840a21Timo Sirainen "Generating %s from user '%s', password '%s'",
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen auth_request_log_error(auth_request, "password",
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen "Requested unknown scheme %s", wanted_scheme);
f968e62caa52a8924bd05ebf76ff515b5c18e17bTimo Sirainenvoid passdb_handle_credentials(enum passdb_result result,
4ed1b49d815ec41a5e4b6a23d23e94b958da1923Timo Sirainen auth_request_log_info(auth_request, "password",
4ed1b49d815ec41a5e4b6a23d23e94b958da1923Timo Sirainen "Requested %s scheme, but we have a NULL password",
4ed1b49d815ec41a5e4b6a23d23e94b958da1923Timo Sirainen } else if (!passdb_get_credentials(auth_request, password, scheme,
b44650b0f48a4b5f0dc240ed836833a00b643b9fTimo Sirainen callback(result, credentials, size, auth_request);
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainenpassdb_find(const char *driver, const char *args, unsigned int *idx_r)
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen unsigned int i, count;
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen for (i = 0; i < count; i++) {
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen if (strcmp(passdbs[i]->iface.name, driver) == 0 &&
e48d89622047bd8bbd0475b881ca9377d592f535Timo Sirainenpassdb_preinit(pool_t pool, const char *driver, const char *args)
3cf67672fdc87583cb23ce088c95bb5dee60e74dTimo Sirainen static unsigned int auth_passdb_id = 0;
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen unsigned int idx;
e48d89622047bd8bbd0475b881ca9377d592f535Timo Sirainen i_fatal("Unknown passdb driver '%s'", driver);
d5abbb932a0a598f002da39a8b3326643b1b5efcTimo Sirainen i_fatal("Support not compiled in for passdb driver '%s'",
e48d89622047bd8bbd0475b881ca9377d592f535Timo Sirainen if (iface->preinit == NULL && iface->init == NULL && *args != '\0')
e48d89622047bd8bbd0475b881ca9377d592f535Timo Sirainen i_fatal("passdb %s: No args are supported: %s", driver, args);
e48d89622047bd8bbd0475b881ca9377d592f535Timo Sirainen passdb = p_new(pool, struct passdb_module, 1);
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen if (passdb->iface.init != NULL && passdb->init_refcount == 0)
849969f639a00eab26791db3cb1b66430420c0cdTimo Sirainen i_assert(passdb->default_pass_scheme != NULL ||
849969f639a00eab26791db3cb1b66430420c0cdTimo Sirainenvoid passdb_deinit(struct passdb_module *passdb)
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen unsigned int idx;
9ed2951bd0bb1878a27437d7c00611b2baadd614Timo Sirainen if (passdb_find(passdb->iface.name, passdb->args, &idx) == NULL)
be5c76fabc7439fd33bc799bc3ab3f570799977bTimo Sirainenvoid passdbs_generate_md5(unsigned char md5[MD5_RESULTLEN])
be5c76fabc7439fd33bc799bc3ab3f570799977bTimo Sirainen unsigned int i, count;
be5c76fabc7439fd33bc799bc3ab3f570799977bTimo Sirainen for (i = 0; i < count; i++) {
be5c76fabc7439fd33bc799bc3ab3f570799977bTimo Sirainen md5_update(&ctx, &passdbs[i]->id, sizeof(passdbs[i]->id));
be5c76fabc7439fd33bc799bc3ab3f570799977bTimo Sirainen md5_update(&ctx, passdbs[i]->args, strlen(passdbs[i]->args));
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_passwd;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_bsdauth;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_shadow;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_passwd_file;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_pam;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_checkpassword;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_vpopmail;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_ldap;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_sql;
43a66a0b16299bd4f7615acd85e98bd3832c54d5Timo Sirainenextern struct passdb_module_interface passdb_sia;