void cleanup_post_jail(char *unused_name, char **unused_argv)
{
/*
* Optionally set the file size resource limit. XXX This limits the
* message content to somewhat less than requested, because the total
* queue file size also includes envelope information. Unless people set
* really low limit, the difference is going to matter only when a queue
* file has lots of recipients.
*/
if (var_message_limit > 0)
set_file_limit((off_t) var_message_limit);
/*
* Control how unmatched extensions are propagated.
*/
cleanup_ext_prop_mask =
ext_prop_mask(VAR_PROP_EXTENSION, var_prop_extension);
/*
* Setup the filters for characters that should be rejected, and for
* characters that should be removed.
*/
if (*var_msg_reject_chars) {
cleanup_reject_chars = vstring_alloc(strlen(var_msg_reject_chars));
unescape(cleanup_reject_chars, var_msg_reject_chars);
}
if (*var_msg_strip_chars) {
cleanup_strip_chars = vstring_alloc(strlen(var_msg_strip_chars));
unescape(cleanup_strip_chars, var_msg_strip_chars);
}
}
static void local_mask_init(void)
{
static const NAME_MASK file_mask[] = {
"alias", EXPAND_TYPE_ALIAS,
"forward", EXPAND_TYPE_FWD,
"include", EXPAND_TYPE_INCL,
0,
};
static const NAME_MASK command_mask[] = {
"alias", EXPAND_TYPE_ALIAS,
"forward", EXPAND_TYPE_FWD,
"include", EXPAND_TYPE_INCL,
0,
};
static const NAME_MASK deliver_mask[] = {
"command", DELIVER_HDR_CMD,
"file", DELIVER_HDR_FILE,
"forward", DELIVER_HDR_FWD,
0,
};
local_file_deliver_mask = name_mask(VAR_ALLOW_FILES, file_mask,
var_allow_files);
local_cmd_deliver_mask = name_mask(VAR_ALLOW_COMMANDS, command_mask,
var_allow_commands);
local_ext_prop_mask =
ext_prop_mask(VAR_PROP_EXTENSION, var_prop_extension);
local_deliver_hdr_mask = name_mask(VAR_DELIVER_HDR, deliver_mask,
var_deliver_hdr);
local_mbox_lock_mask = mbox_lock_mask(var_mailbox_lock);
if (var_mailtool_compat) {
msg_warn("%s: deprecated parameter, use \"%s = dotlock\" instead",
VAR_MAILTOOL_COMPAT, VAR_MAILBOX_LOCK);
local_mbox_lock_mask &= MBOX_DOT_LOCK;
}
if (local_mbox_lock_mask == 0)
msg_fatal("parameter %s specifies no applicable mailbox locking method",
VAR_MAILBOX_LOCK);
}
static void pre_init(char *unused_name, char **unused_argv)
{
int use_tls;
static const NAME_CODE addr_pref_map[] = {
INET_PROTO_NAME_IPV6, SMTP_MISC_FLAG_PREF_IPV6,
INET_PROTO_NAME_IPV4, SMTP_MISC_FLAG_PREF_IPV4,
INET_PROTO_NAME_ANY, 0,
0, -1,
};
/*
* Turn on per-peer debugging.
*/
debug_peer_init();
/*
* SASL initialization.
*/
if (var_smtp_sasl_enable)
#ifdef USE_SASL_AUTH
smtp_sasl_initialize();
#else
msg_warn("%s is true, but SASL support is not compiled in",
VAR_SMTP_SASL_ENABLE);
#endif
if (*var_smtp_tls_level != 0)
switch (tls_level_lookup(var_smtp_tls_level)) {
case TLS_LEV_SECURE:
case TLS_LEV_VERIFY:
case TLS_LEV_FPRINT:
case TLS_LEV_ENCRYPT:
var_smtp_use_tls = var_smtp_enforce_tls = 1;
break;
case TLS_LEV_MAY:
var_smtp_use_tls = 1;
var_smtp_enforce_tls = 0;
break;
case TLS_LEV_NONE:
var_smtp_use_tls = var_smtp_enforce_tls = 0;
break;
default:
/* tls_level_lookup() logs no warning. */
/* session_tls_init() assumes that var_smtp_tls_level is sane. */
msg_fatal("Invalid TLS level \"%s\"", var_smtp_tls_level);
}
use_tls = (var_smtp_use_tls || var_smtp_enforce_tls);
/*
* Initialize the TLS data before entering the chroot jail
*/
if (use_tls || var_smtp_tls_per_site[0] || var_smtp_tls_policy[0]) {
#ifdef USE_TLS
TLS_CLIENT_INIT_PROPS props;
int using_smtp = (strcmp(var_procname, "smtp") == 0);
/*
* We get stronger type safety and a cleaner interface by combining
* the various parameters into a single tls_client_props structure.
*
* Large parameter lists are error-prone, so we emulate a language
* feature that C does not have natively: named parameter lists.
*/
smtp_tls_ctx =
TLS_CLIENT_INIT(&props,
log_param = using_smtp ?
VAR_SMTP_TLS_LOGLEVEL : VAR_LMTP_TLS_LOGLEVEL,
log_level = var_smtp_tls_loglevel,
verifydepth = var_smtp_tls_scert_vd,
cache_type = using_smtp ?
TLS_MGR_SCACHE_SMTP : TLS_MGR_SCACHE_LMTP,
cert_file = var_smtp_tls_cert_file,
key_file = var_smtp_tls_key_file,
dcert_file = var_smtp_tls_dcert_file,
dkey_file = var_smtp_tls_dkey_file,
eccert_file = var_smtp_tls_eccert_file,
eckey_file = var_smtp_tls_eckey_file,
CAfile = var_smtp_tls_CAfile,
CApath = var_smtp_tls_CApath,
fpt_dgst = var_smtp_tls_fpt_dgst);
smtp_tls_list_init();
#else
msg_warn("TLS has been selected, but TLS support is not compiled in");
#endif
}
/*
* Flush client.
*/
flush_init();
/*
* Session cache domain list.
*/
if (*var_smtp_cache_dest)
smtp_cache_dest = string_list_init(MATCH_FLAG_RETURN, var_smtp_cache_dest);
/*
* EHLO keyword filter.
*/
if (*var_smtp_ehlo_dis_maps)
smtp_ehlo_dis_maps = maps_create(VAR_SMTP_EHLO_DIS_MAPS,
var_smtp_ehlo_dis_maps,
DICT_FLAG_LOCK);
/*
* PIX bug workarounds.
*/
if (*var_smtp_pix_bug_maps)
smtp_pix_bug_maps = maps_create(VAR_SMTP_PIX_BUG_MAPS,
var_smtp_pix_bug_maps,
DICT_FLAG_LOCK);
/*
* Generic maps.
*/
if (*var_prop_extension)
smtp_ext_prop_mask =
ext_prop_mask(VAR_PROP_EXTENSION, var_prop_extension);
if (*var_smtp_generic_maps)
smtp_generic_maps =
maps_create(VAR_SMTP_GENERIC_MAPS, var_smtp_generic_maps,
DICT_FLAG_LOCK | DICT_FLAG_FOLD_FIX);
/*
* Header/body checks.
*/
smtp_header_checks = hbc_header_checks_create(
VAR_SMTP_HEAD_CHKS, var_smtp_head_chks,
VAR_SMTP_MIME_CHKS, var_smtp_mime_chks,
VAR_SMTP_NEST_CHKS, var_smtp_nest_chks,
smtp_hbc_callbacks);
smtp_body_checks = hbc_body_checks_create(
VAR_SMTP_BODY_CHKS, var_smtp_body_chks,
smtp_hbc_callbacks);
/*
* Server reply filter.
*/
if (*var_smtp_resp_filter)
smtp_chat_resp_filter =
dict_open(var_smtp_resp_filter, O_RDONLY,
DICT_FLAG_LOCK | DICT_FLAG_FOLD_FIX);
/*
* Address family preference.
*/
if (*var_smtp_addr_pref) {
smtp_addr_pref = name_code(addr_pref_map, NAME_CODE_FLAG_NONE,
var_smtp_addr_pref);
if (smtp_addr_pref < 0)
msg_fatal("bad %s value: %s", VAR_SMTP_ADDR_PREF, var_smtp_addr_pref);
}
}
