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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:46:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:46:30 +0000
commitb5896ba9f6047e7031e2bdee0622d543e11a6734 (patch)
treefd7b460593a2fee1be579bec5697e6d887ea3421 /src/trivial-rewrite/trivial-rewrite.c
parentInitial commit. (diff)
downloadpostfix-b5896ba9f6047e7031e2bdee0622d543e11a6734.tar.xz
postfix-b5896ba9f6047e7031e2bdee0622d543e11a6734.zip
Adding upstream version 3.4.23.upstream/3.4.23upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/trivial-rewrite/trivial-rewrite.c')
-rw-r--r--src/trivial-rewrite/trivial-rewrite.c652
1 files changed, 652 insertions, 0 deletions
diff --git a/src/trivial-rewrite/trivial-rewrite.c b/src/trivial-rewrite/trivial-rewrite.c
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+/*++
+/* NAME
+/* trivial-rewrite 8
+/* SUMMARY
+/* Postfix address rewriting and resolving daemon
+/* SYNOPSIS
+/* \fBtrivial-rewrite\fR [generic Postfix daemon options]
+/* DESCRIPTION
+/* The \fBtrivial-rewrite\fR(8) daemon processes three types of client
+/* service requests:
+/* .IP "\fBrewrite \fIcontext address\fR"
+/* Rewrite an address to standard form, according to the
+/* address rewriting context:
+/* .RS
+/* .IP \fBlocal\fR
+/* Append the domain names specified with \fB$myorigin\fR or
+/* \fB$mydomain\fR to incomplete addresses; do \fBswap_bangpath\fR
+/* and \fBallow_percent_hack\fR processing as described below, and
+/* strip source routed addresses (\fI@site,@site:user@domain\fR)
+/* to \fIuser@domain\fR form.
+/* .IP \fBremote\fR
+/* Append the domain name specified with
+/* \fB$remote_header_rewrite_domain\fR to incomplete
+/* addresses. Otherwise the result is identical to that of
+/* the \fBlocal\fR address rewriting context. This prevents
+/* Postfix from appending the local domain to spam from poorly
+/* written remote clients.
+/* .RE
+/* .IP "\fBresolve \fIsender\fR \fIaddress\fR"
+/* Resolve the address to a (\fItransport\fR, \fInexthop\fR,
+/* \fIrecipient\fR, \fIflags\fR) quadruple. The meaning of
+/* the results is as follows:
+/* .RS
+/* .IP \fItransport\fR
+/* The delivery agent to use. This is the first field of an entry
+/* in the \fBmaster.cf\fR file.
+/* .IP \fInexthop\fR
+/* The host to send to and optional delivery method information.
+/* .IP \fIrecipient\fR
+/* The envelope recipient address that is passed on to \fInexthop\fR.
+/* .IP \fIflags\fR
+/* The address class, whether the address requires relaying,
+/* whether the address has problems, and whether the request failed.
+/* .RE
+/* .IP "\fBverify \fIsender\fR \fIaddress\fR"
+/* Resolve the address for address verification purposes.
+/* SERVER PROCESS MANAGEMENT
+/* .ad
+/* .fi
+/* The \fBtrivial-rewrite\fR(8) servers run under control by
+/* the Postfix master
+/* server. Each server can handle multiple simultaneous connections.
+/* When all servers are busy while a client connects, the master
+/* creates a new server process, provided that the trivial-rewrite
+/* server process limit is not exceeded.
+/* Each trivial-rewrite server terminates after
+/* serving at least \fB$max_use\fR clients of after \fB$max_idle\fR
+/* seconds of idle time.
+/* STANDARDS
+/* .ad
+/* .fi
+/* None. The command does not interact with the outside world.
+/* SECURITY
+/* .ad
+/* .fi
+/* The \fBtrivial-rewrite\fR(8) daemon is not security sensitive.
+/* By default, this daemon does not talk to remote or local users.
+/* It can run at a fixed low privilege in a chrooted environment.
+/* DIAGNOSTICS
+/* Problems and transactions are logged to \fBsyslogd\fR(8)
+/* or \fBpostlogd\fR(8).
+/* CONFIGURATION PARAMETERS
+/* .ad
+/* .fi
+/* On busy mail systems a long time may pass before a \fBmain.cf\fR
+/* change affecting \fBtrivial-rewrite\fR(8) is picked up. Use the command
+/* "\fBpostfix reload\fR" to speed up a change.
+/*
+/* The text below provides only a parameter summary. See
+/* \fBpostconf\fR(5) for more details including examples.
+/* COMPATIBILITY CONTROLS
+/* .ad
+/* .fi
+/* .IP "\fBresolve_dequoted_address (yes)\fR"
+/* Resolve a recipient address safely instead of correctly, by
+/* looking inside quotes.
+/* .PP
+/* Available with Postfix version 2.1 and later:
+/* .IP "\fBresolve_null_domain (no)\fR"
+/* Resolve an address that ends in the "@" null domain as if the
+/* local hostname were specified, instead of rejecting the address as
+/* invalid.
+/* .PP
+/* Available with Postfix version 2.3 and later:
+/* .IP "\fBresolve_numeric_domain (no)\fR"
+/* Resolve "user@ipaddress" as "user@[ipaddress]", instead of
+/* rejecting the address as invalid.
+/* .PP
+/* Available with Postfix version 2.5 and later:
+/* .IP "\fBallow_min_user (no)\fR"
+/* Allow a sender or recipient address to have `-' as the first
+/* character.
+/* ADDRESS REWRITING CONTROLS
+/* .ad
+/* .fi
+/* .IP "\fBmyorigin ($myhostname)\fR"
+/* The domain name that locally-posted mail appears to come
+/* from, and that locally posted mail is delivered to.
+/* .IP "\fBallow_percent_hack (yes)\fR"
+/* Enable the rewriting of the form "user%domain" to "user@domain".
+/* .IP "\fBappend_at_myorigin (yes)\fR"
+/* With locally submitted mail, append the string "@$myorigin" to mail
+/* addresses without domain information.
+/* .IP "\fBappend_dot_mydomain (Postfix >= 3.0: no, Postfix < 3.0: yes)\fR"
+/* With locally submitted mail, append the string ".$mydomain" to
+/* addresses that have no ".domain" information.
+/* .IP "\fBrecipient_delimiter (empty)\fR"
+/* The set of characters that can separate a user name from its
+/* extension (example: user+foo), or a .forward file name from its
+/* extension (example: .forward+foo).
+/* .IP "\fBswap_bangpath (yes)\fR"
+/* Enable the rewriting of "site!user" into "user@site".
+/* .PP
+/* Available in Postfix 2.2 and later:
+/* .IP "\fBremote_header_rewrite_domain (empty)\fR"
+/* Don't rewrite message headers from remote clients at all when
+/* this parameter is empty; otherwise, rewrite message headers and
+/* append the specified domain name to incomplete addresses.
+/* ROUTING CONTROLS
+/* .ad
+/* .fi
+/* The following is applicable to Postfix version 2.0 and later.
+/* Earlier versions do not have support for: virtual_transport,
+/* relay_transport, virtual_alias_domains, virtual_mailbox_domains
+/* or proxy_interfaces.
+/* .IP "\fBlocal_transport (local:$myhostname)\fR"
+/* The default mail delivery transport and next-hop destination
+/* for final delivery to domains listed with mydestination, and for
+/* [ipaddress] destinations that match $inet_interfaces or $proxy_interfaces.
+/* .IP "\fBvirtual_transport (virtual)\fR"
+/* The default mail delivery transport and next-hop destination for
+/* final delivery to domains listed with $virtual_mailbox_domains.
+/* .IP "\fBrelay_transport (relay)\fR"
+/* The default mail delivery transport and next-hop destination for
+/* remote delivery to domains listed with $relay_domains.
+/* .IP "\fBdefault_transport (smtp)\fR"
+/* The default mail delivery transport and next-hop destination for
+/* destinations that do not match $mydestination, $inet_interfaces,
+/* $proxy_interfaces, $virtual_alias_domains, $virtual_mailbox_domains,
+/* or $relay_domains.
+/* .IP "\fBparent_domain_matches_subdomains (see 'postconf -d' output)\fR"
+/* A list of Postfix features where the pattern "example.com" also
+/* matches subdomains of example.com,
+/* instead of requiring an explicit ".example.com" pattern.
+/* .IP "\fBrelayhost (empty)\fR"
+/* The next-hop destination of non-local mail; overrides non-local
+/* domains in recipient addresses.
+/* .IP "\fBtransport_maps (empty)\fR"
+/* Optional lookup tables with mappings from recipient address to
+/* (message delivery transport, next-hop destination).
+/* .PP
+/* Available in Postfix version 2.3 and later:
+/* .IP "\fBsender_dependent_relayhost_maps (empty)\fR"
+/* A sender-dependent override for the global relayhost parameter
+/* setting.
+/* .PP
+/* Available in Postfix version 2.5 and later:
+/* .IP "\fBempty_address_relayhost_maps_lookup_key (<>)\fR"
+/* The sender_dependent_relayhost_maps search string that will be
+/* used instead of the null sender address.
+/* .PP
+/* Available in Postfix version 2.7 and later:
+/* .IP "\fBempty_address_default_transport_maps_lookup_key (<>)\fR"
+/* The sender_dependent_default_transport_maps search string that
+/* will be used instead of the null sender address.
+/* .IP "\fBsender_dependent_default_transport_maps (empty)\fR"
+/* A sender-dependent override for the global default_transport
+/* parameter setting.
+/* ADDRESS VERIFICATION CONTROLS
+/* .ad
+/* .fi
+/* Postfix version 2.1 introduces sender and recipient address verification.
+/* This feature is implemented by sending probe email messages that
+/* are not actually delivered.
+/* By default, address verification probes use the same route
+/* as regular mail. To override specific aspects of message
+/* routing for address verification probes, specify one or more
+/* of the following:
+/* .IP "\fBaddress_verify_local_transport ($local_transport)\fR"
+/* Overrides the local_transport parameter setting for address
+/* verification probes.
+/* .IP "\fBaddress_verify_virtual_transport ($virtual_transport)\fR"
+/* Overrides the virtual_transport parameter setting for address
+/* verification probes.
+/* .IP "\fBaddress_verify_relay_transport ($relay_transport)\fR"
+/* Overrides the relay_transport parameter setting for address
+/* verification probes.
+/* .IP "\fBaddress_verify_default_transport ($default_transport)\fR"
+/* Overrides the default_transport parameter setting for address
+/* verification probes.
+/* .IP "\fBaddress_verify_relayhost ($relayhost)\fR"
+/* Overrides the relayhost parameter setting for address verification
+/* probes.
+/* .IP "\fBaddress_verify_transport_maps ($transport_maps)\fR"
+/* Overrides the transport_maps parameter setting for address verification
+/* probes.
+/* .PP
+/* Available in Postfix version 2.3 and later:
+/* .IP "\fBaddress_verify_sender_dependent_relayhost_maps ($sender_dependent_relayhost_maps)\fR"
+/* Overrides the sender_dependent_relayhost_maps parameter setting for address
+/* verification probes.
+/* .PP
+/* Available in Postfix version 2.7 and later:
+/* .IP "\fBaddress_verify_sender_dependent_default_transport_maps ($sender_dependent_default_transport_maps)\fR"
+/* Overrides the sender_dependent_default_transport_maps parameter
+/* setting for address verification probes.
+/* MISCELLANEOUS CONTROLS
+/* .ad
+/* .fi
+/* .IP "\fBconfig_directory (see 'postconf -d' output)\fR"
+/* The default location of the Postfix main.cf and master.cf
+/* configuration files.
+/* .IP "\fBdaemon_timeout (18000s)\fR"
+/* How much time a Postfix daemon process may take to handle a
+/* request before it is terminated by a built-in watchdog timer.
+/* .IP "\fBempty_address_recipient (MAILER-DAEMON)\fR"
+/* The recipient of mail addressed to the null address.
+/* .IP "\fBipc_timeout (3600s)\fR"
+/* The time limit for sending or receiving information over an internal
+/* communication channel.
+/* .IP "\fBmax_idle (100s)\fR"
+/* The maximum amount of time that an idle Postfix daemon process waits
+/* for an incoming connection before terminating voluntarily.
+/* .IP "\fBmax_use (100)\fR"
+/* The maximal number of incoming connections that a Postfix daemon
+/* process will service before terminating voluntarily.
+/* .IP "\fBrelocated_maps (empty)\fR"
+/* Optional lookup tables with new contact information for users or
+/* domains that no longer exist.
+/* .IP "\fBprocess_id (read-only)\fR"
+/* The process ID of a Postfix command or daemon process.
+/* .IP "\fBprocess_name (read-only)\fR"
+/* The process name of a Postfix command or daemon process.
+/* .IP "\fBqueue_directory (see 'postconf -d' output)\fR"
+/* The location of the Postfix top-level queue directory.
+/* .IP "\fBshow_user_unknown_table_name (yes)\fR"
+/* Display the name of the recipient table in the "User unknown"
+/* responses.
+/* .IP "\fBsyslog_facility (mail)\fR"
+/* The syslog facility of Postfix logging.
+/* .IP "\fBsyslog_name (see 'postconf -d' output)\fR"
+/* A prefix that is prepended to the process name in syslog
+/* records, so that, for example, "smtpd" becomes "prefix/smtpd".
+/* .PP
+/* Available in Postfix version 2.0 and later:
+/* .IP "\fBhelpful_warnings (yes)\fR"
+/* Log warnings about problematic configuration settings, and provide
+/* helpful suggestions.
+/* .PP
+/* Available in Postfix 3.3 and later:
+/* .IP "\fBservice_name (read-only)\fR"
+/* The master.cf service name of a Postfix daemon process.
+/* SEE ALSO
+/* postconf(5), configuration parameters
+/* transport(5), transport table format
+/* relocated(5), format of the "user has moved" table
+/* master(8), process manager
+/* postlogd(8), Postfix logging
+/* syslogd(8), system logging
+/* README FILES
+/* .ad
+/* .fi
+/* Use "\fBpostconf readme_directory\fR" or
+/* "\fBpostconf html_directory\fR" to locate this information.
+/* .na
+/* .nf
+/* ADDRESS_CLASS_README, Postfix address classes howto
+/* ADDRESS_VERIFICATION_README, Postfix address verification
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*
+/* Wietse Venema
+/* Google, Inc.
+/* 111 8th Avenue
+/* New York, NY 10011, USA
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* Utility library. */
+
+#include <msg.h>
+#include <vstring.h>
+#include <vstream.h>
+#include <vstring_vstream.h>
+#include <split_at.h>
+#include <stringops.h>
+#include <dict.h>
+#include <events.h>
+
+/* Global library. */
+
+#include <mail_params.h>
+#include <mail_version.h>
+#include <mail_proto.h>
+#include <resolve_local.h>
+#include <mail_conf.h>
+#include <resolve_clnt.h>
+#include <rewrite_clnt.h>
+#include <tok822.h>
+#include <mail_addr.h>
+
+/* Multi server skeleton. */
+
+#include <mail_server.h>
+
+/* Application-specific. */
+
+#include <trivial-rewrite.h>
+#include <transport.h>
+
+static VSTRING *command;
+
+ /*
+ * Tunable parameters.
+ */
+char *var_transport_maps;
+bool var_swap_bangpath;
+bool var_append_dot_mydomain;
+bool var_append_at_myorigin;
+bool var_percent_hack;
+char *var_local_transport;
+char *var_virt_transport;
+char *var_relay_transport;
+int var_resolve_dequoted;
+char *var_virt_alias_maps; /* XXX virtual_alias_domains */
+char *var_virt_mailbox_maps; /* XXX virtual_mailbox_domains */
+char *var_virt_alias_doms;
+char *var_virt_mailbox_doms;
+char *var_relocated_maps;
+char *var_def_transport;
+char *var_snd_def_xport_maps;
+char *var_empty_addr;
+int var_show_unk_rcpt_table;
+int var_resolve_nulldom;
+char *var_remote_rwr_domain;
+char *var_snd_relay_maps;
+char *var_null_relay_maps_key;
+char *var_null_def_xport_maps_key;
+int var_resolve_num_dom;
+bool var_allow_min_user;
+
+ /*
+ * Shadow personality for address verification.
+ */
+char *var_vrfy_xport_maps;
+char *var_vrfy_local_xport;
+char *var_vrfy_virt_xport;
+char *var_vrfy_relay_xport;
+char *var_vrfy_def_xport;
+char *var_vrfy_snd_def_xport_maps;
+char *var_vrfy_relayhost;
+char *var_vrfy_relay_maps;
+
+ /*
+ * Different resolver personalities depending on the kind of request.
+ */
+RES_CONTEXT resolve_regular = {
+ VAR_LOCAL_TRANSPORT, &var_local_transport,
+ VAR_VIRT_TRANSPORT, &var_virt_transport,
+ VAR_RELAY_TRANSPORT, &var_relay_transport,
+ VAR_DEF_TRANSPORT, &var_def_transport,
+ VAR_SND_DEF_XPORT_MAPS, &var_snd_def_xport_maps, 0,
+ VAR_RELAYHOST, &var_relayhost,
+ VAR_SND_RELAY_MAPS, &var_snd_relay_maps, 0,
+ VAR_TRANSPORT_MAPS, &var_transport_maps, 0
+};
+
+RES_CONTEXT resolve_verify = {
+ VAR_VRFY_LOCAL_XPORT, &var_vrfy_local_xport,
+ VAR_VRFY_VIRT_XPORT, &var_vrfy_virt_xport,
+ VAR_VRFY_RELAY_XPORT, &var_vrfy_relay_xport,
+ VAR_VRFY_DEF_XPORT, &var_vrfy_def_xport,
+ VAR_VRFY_SND_DEF_XPORT_MAPS, &var_vrfy_snd_def_xport_maps, 0,
+ VAR_VRFY_RELAYHOST, &var_vrfy_relayhost,
+ VAR_VRFY_RELAY_MAPS, &var_vrfy_relay_maps, 0,
+ VAR_VRFY_XPORT_MAPS, &var_vrfy_xport_maps, 0
+};
+
+ /*
+ * Connection management. When file-based lookup tables change we should
+ * restart at our convenience, but avoid client read errors. We restart
+ * rather than reopen, because the process may be chrooted (and if it isn't
+ * we still need code that handles the chrooted case anyway).
+ *
+ * Three variants are implemented. Only one should be used.
+ *
+ * ifdef DETACH_AND_ASK_CLIENTS_TO_RECONNECT
+ *
+ * This code detaches the trivial-rewrite process from the master, stops
+ * accepting new clients, and handles established clients in the background,
+ * asking them to reconnect the next time they send a request. The master
+ * creates a new process that accepts connections. This is reasonably safe
+ * because the number of trivial-rewrite server processes is small compared
+ * to the number of trivial-rewrite client processes. The few extra
+ * background processes should not make a difference in Postfix's footprint.
+ * However, once a daemon detaches from the master, its exit status will be
+ * lost, and abnormal termination may remain undetected. Timely restart is
+ * achieved by checking the table changed status every 10 seconds or so
+ * before responding to a client request.
+ *
+ * ifdef CHECK_TABLE_STATS_PERIODICALLY
+ *
+ * This code runs every 10 seconds and terminates the process when lookup
+ * tables have changed. This is subject to race conditions when established
+ * clients send a request while the server exits; those clients may read EOF
+ * instead of a server reply. If the experience with the oldest option
+ * (below) is anything to go by, however, then this is unlikely to be a
+ * problem during real deployment.
+ *
+ * ifdef CHECK_TABLE_STATS_BEFORE_ACCEPT
+ *
+ * This is the old code. It checks the table changed status when a new client
+ * connects (i.e. before the server calls accept()), and terminates
+ * immediately. This is invisible for the connecting client, but is subject
+ * to race conditions when established clients send a request while the
+ * server exits; those clients may read EOF instead of a server reply. This
+ * has, however, not been a problem in real deployment. With the old code,
+ * timely restart is achieved by setting the ipc_ttl parameter to 60
+ * seconds, so that the table change status is checked several times a
+ * minute.
+ */
+int server_flags;
+
+ /*
+ * Define exactly one of these.
+ */
+/* #define DETACH_AND_ASK_CLIENTS_TO_RECONNECT /* correct and complex */
+#define CHECK_TABLE_STATS_PERIODICALLY /* quick */
+/* #define CHECK_TABLE_STATS_BEFORE_ACCEPT /* slow */
+
+/* rewrite_service - read request and send reply */
+
+static void rewrite_service(VSTREAM *stream, char *unused_service, char **argv)
+{
+ int status = -1;
+
+#ifdef DETACH_AND_ASK_CLIENTS_TO_RECONNECT
+ static time_t last;
+ time_t now;
+ const char *table;
+
+#endif
+
+ /*
+ * Sanity check. This service takes no command-line arguments.
+ */
+ if (argv[0])
+ msg_fatal("unexpected command-line argument: %s", argv[0]);
+
+ /*
+ * Client connections are long-lived. Be sure to refesh timely.
+ */
+#ifdef DETACH_AND_ASK_CLIENTS_TO_RECONNECT
+ if (server_flags == 0 && (now = event_time()) - last > 10) {
+ if ((table = dict_changed_name()) != 0) {
+ msg_info("table %s has changed -- restarting", table);
+ if (multi_server_drain() == 0)
+ server_flags = 1;
+ }
+ last = now;
+ }
+#endif
+
+ /*
+ * This routine runs whenever a client connects to the UNIX-domain socket
+ * dedicated to address rewriting. All connection-management stuff is
+ * handled by the common code in multi_server.c.
+ */
+ if (attr_scan(stream, ATTR_FLAG_STRICT | ATTR_FLAG_MORE,
+ RECV_ATTR_STR(MAIL_ATTR_REQ, command),
+ ATTR_TYPE_END) == 1) {
+ if (strcmp(vstring_str(command), REWRITE_ADDR) == 0) {
+ status = rewrite_proto(stream);
+ } else if (strcmp(vstring_str(command), RESOLVE_REGULAR) == 0) {
+ status = resolve_proto(&resolve_regular, stream);
+ } else if (strcmp(vstring_str(command), RESOLVE_VERIFY) == 0) {
+ status = resolve_proto(&resolve_verify, stream);
+ } else {
+ msg_warn("bad command %.30s", printable(vstring_str(command), '?'));
+ }
+ }
+ if (status < 0)
+ multi_server_disconnect(stream);
+}
+
+/* pre_accept - see if tables have changed */
+
+#ifdef CHECK_TABLE_STATS_BEFORE_ACCEPT
+
+static void pre_accept(char *unused_name, char **unused_argv)
+{
+ const char *table;
+
+ if ((table = dict_changed_name()) != 0) {
+ msg_info("table %s has changed -- restarting", table);
+ exit(0);
+ }
+}
+
+#endif
+
+static void check_table_stats(int unused_event, void *unused_context)
+{
+ const char *table;
+
+ if ((table = dict_changed_name()) != 0) {
+ msg_info("table %s has changed -- restarting", table);
+ exit(0);
+ }
+ event_request_timer(check_table_stats, (void *) 0, 10);
+}
+
+/* pre_jail_init - initialize before entering chroot jail */
+
+static void pre_jail_init(char *unused_name, char **unused_argv)
+{
+ command = vstring_alloc(100);
+ rewrite_init();
+ resolve_init();
+ if (*RES_PARAM_VALUE(resolve_regular.transport_maps))
+ resolve_regular.transport_info =
+ transport_pre_init(resolve_regular.transport_maps_name,
+ RES_PARAM_VALUE(resolve_regular.transport_maps));
+ if (*RES_PARAM_VALUE(resolve_verify.transport_maps))
+ resolve_verify.transport_info =
+ transport_pre_init(resolve_verify.transport_maps_name,
+ RES_PARAM_VALUE(resolve_verify.transport_maps));
+ if (*RES_PARAM_VALUE(resolve_regular.snd_relay_maps))
+ resolve_regular.snd_relay_info =
+ maps_create(resolve_regular.snd_relay_maps_name,
+ RES_PARAM_VALUE(resolve_regular.snd_relay_maps),
+ DICT_FLAG_LOCK | DICT_FLAG_FOLD_FIX
+ | DICT_FLAG_NO_REGSUB | DICT_FLAG_UTF8_REQUEST);
+ if (*RES_PARAM_VALUE(resolve_verify.snd_relay_maps))
+ resolve_verify.snd_relay_info =
+ maps_create(resolve_verify.snd_relay_maps_name,
+ RES_PARAM_VALUE(resolve_verify.snd_relay_maps),
+ DICT_FLAG_LOCK | DICT_FLAG_FOLD_FIX
+ | DICT_FLAG_NO_REGSUB | DICT_FLAG_UTF8_REQUEST);
+ if (*RES_PARAM_VALUE(resolve_regular.snd_def_xp_maps))
+ resolve_regular.snd_def_xp_info =
+ maps_create(resolve_regular.snd_def_xp_maps_name,
+ RES_PARAM_VALUE(resolve_regular.snd_def_xp_maps),
+ DICT_FLAG_LOCK | DICT_FLAG_FOLD_FIX
+ | DICT_FLAG_NO_REGSUB | DICT_FLAG_UTF8_REQUEST);
+ if (*RES_PARAM_VALUE(resolve_verify.snd_def_xp_maps))
+ resolve_verify.snd_def_xp_info =
+ maps_create(resolve_verify.snd_def_xp_maps_name,
+ RES_PARAM_VALUE(resolve_verify.snd_def_xp_maps),
+ DICT_FLAG_LOCK | DICT_FLAG_FOLD_FIX
+ | DICT_FLAG_NO_REGSUB | DICT_FLAG_UTF8_REQUEST);
+}
+
+/* post_jail_init - initialize after entering chroot jail */
+
+static void post_jail_init(char *unused_name, char **unused_argv)
+{
+ if (resolve_regular.transport_info)
+ transport_post_init(resolve_regular.transport_info);
+ if (resolve_verify.transport_info)
+ transport_post_init(resolve_verify.transport_info);
+ check_table_stats(0, (void *) 0);
+}
+
+MAIL_VERSION_STAMP_DECLARE;
+
+/* main - pass control to the multi-threaded skeleton code */
+
+int main(int argc, char **argv)
+{
+ static const CONFIG_STR_TABLE str_table[] = {
+ VAR_TRANSPORT_MAPS, DEF_TRANSPORT_MAPS, &var_transport_maps, 0, 0,
+ VAR_LOCAL_TRANSPORT, DEF_LOCAL_TRANSPORT, &var_local_transport, 1, 0,
+ VAR_VIRT_TRANSPORT, DEF_VIRT_TRANSPORT, &var_virt_transport, 1, 0,
+ VAR_RELAY_TRANSPORT, DEF_RELAY_TRANSPORT, &var_relay_transport, 1, 0,
+ VAR_DEF_TRANSPORT, DEF_DEF_TRANSPORT, &var_def_transport, 1, 0,
+ VAR_VIRT_ALIAS_MAPS, DEF_VIRT_ALIAS_MAPS, &var_virt_alias_maps, 0, 0,
+ VAR_VIRT_ALIAS_DOMS, DEF_VIRT_ALIAS_DOMS, &var_virt_alias_doms, 0, 0,
+ VAR_VIRT_MAILBOX_MAPS, DEF_VIRT_MAILBOX_MAPS, &var_virt_mailbox_maps, 0, 0,
+ VAR_VIRT_MAILBOX_DOMS, DEF_VIRT_MAILBOX_DOMS, &var_virt_mailbox_doms, 0, 0,
+ VAR_RELOCATED_MAPS, DEF_RELOCATED_MAPS, &var_relocated_maps, 0, 0,
+ VAR_EMPTY_ADDR, DEF_EMPTY_ADDR, &var_empty_addr, 1, 0,
+ VAR_VRFY_XPORT_MAPS, DEF_VRFY_XPORT_MAPS, &var_vrfy_xport_maps, 0, 0,
+ VAR_VRFY_LOCAL_XPORT, DEF_VRFY_LOCAL_XPORT, &var_vrfy_local_xport, 1, 0,
+ VAR_VRFY_VIRT_XPORT, DEF_VRFY_VIRT_XPORT, &var_vrfy_virt_xport, 1, 0,
+ VAR_VRFY_RELAY_XPORT, DEF_VRFY_RELAY_XPORT, &var_vrfy_relay_xport, 1, 0,
+ VAR_VRFY_DEF_XPORT, DEF_VRFY_DEF_XPORT, &var_vrfy_def_xport, 1, 0,
+ VAR_VRFY_RELAYHOST, DEF_VRFY_RELAYHOST, &var_vrfy_relayhost, 0, 0,
+ VAR_REM_RWR_DOMAIN, DEF_REM_RWR_DOMAIN, &var_remote_rwr_domain, 0, 0,
+ VAR_SND_RELAY_MAPS, DEF_SND_RELAY_MAPS, &var_snd_relay_maps, 0, 0,
+ VAR_NULL_RELAY_MAPS_KEY, DEF_NULL_RELAY_MAPS_KEY, &var_null_relay_maps_key, 1, 0,
+ VAR_VRFY_RELAY_MAPS, DEF_VRFY_RELAY_MAPS, &var_vrfy_relay_maps, 0, 0,
+ VAR_SND_DEF_XPORT_MAPS, DEF_SND_DEF_XPORT_MAPS, &var_snd_def_xport_maps, 0, 0,
+ VAR_NULL_DEF_XPORT_MAPS_KEY, DEF_NULL_DEF_XPORT_MAPS_KEY, &var_null_def_xport_maps_key, 1, 0,
+ VAR_VRFY_SND_DEF_XPORT_MAPS, DEF_VRFY_SND_DEF_XPORT_MAPS, &var_vrfy_snd_def_xport_maps, 0, 0,
+ 0,
+ };
+ static const CONFIG_BOOL_TABLE bool_table[] = {
+ VAR_SWAP_BANGPATH, DEF_SWAP_BANGPATH, &var_swap_bangpath,
+ VAR_APP_AT_MYORIGIN, DEF_APP_AT_MYORIGIN, &var_append_at_myorigin,
+ VAR_PERCENT_HACK, DEF_PERCENT_HACK, &var_percent_hack,
+ VAR_RESOLVE_DEQUOTED, DEF_RESOLVE_DEQUOTED, &var_resolve_dequoted,
+ VAR_SHOW_UNK_RCPT_TABLE, DEF_SHOW_UNK_RCPT_TABLE, &var_show_unk_rcpt_table,
+ VAR_RESOLVE_NULLDOM, DEF_RESOLVE_NULLDOM, &var_resolve_nulldom,
+ VAR_RESOLVE_NUM_DOM, DEF_RESOLVE_NUM_DOM, &var_resolve_num_dom,
+ VAR_ALLOW_MIN_USER, DEF_ALLOW_MIN_USER, &var_allow_min_user,
+ 0,
+ };
+ static const CONFIG_NBOOL_TABLE nbool_table[] = {
+ VAR_APP_DOT_MYDOMAIN, DEF_APP_DOT_MYDOMAIN, &var_append_dot_mydomain,
+ 0,
+ };
+
+ /*
+ * Fingerprint executables and core dumps.
+ */
+ MAIL_VERSION_STAMP_ALLOCATE;
+
+ multi_server_main(argc, argv, rewrite_service,
+ CA_MAIL_SERVER_STR_TABLE(str_table),
+ CA_MAIL_SERVER_BOOL_TABLE(bool_table),
+ CA_MAIL_SERVER_NBOOL_TABLE(nbool_table),
+ CA_MAIL_SERVER_PRE_INIT(pre_jail_init),
+ CA_MAIL_SERVER_POST_INIT(post_jail_init),
+#ifdef CHECK_TABLE_STATS_BEFORE_ACCEPT
+ CA_MAIL_SERVER_PRE_ACCEPT(pre_accept),
+#endif
+ 0);
+}