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Diffstat (limited to 'src/trivial-rewrite/trivial-rewrite.c')
| -rw-r--r-- | src/trivial-rewrite/trivial-rewrite.c | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/src/trivial-rewrite/trivial-rewrite.c b/src/trivial-rewrite/trivial-rewrite.c new file mode 100644 index 0000000..675af80 --- /dev/null +++ b/src/trivial-rewrite/trivial-rewrite.c @@ -0,0 +1,667 @@ +/*++ +/* 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$remote_header_rewrite_domain\fR to incomplete +/* addresses. Otherwise the result is identical to that of +/* the \fBlocal\fR address rewriting context. This prevents +/* Postfix from appending the local domain to spam from poorly +/* written remote clients. +/* .RE +/* .IP "\fBresolve \fIsender\fR \fIaddress\fR" +/* Resolve the address to a (\fItransport\fR, \fInexthop\fR, +/* \fIrecipient\fR, \fIflags\fR) quadruple. The meaning of +/* the results is as follows: +/* .RS +/* .IP \fItransport\fR +/* The delivery agent to use. This is the first field of an entry +/* in the \fBmaster.cf\fR file. +/* .IP \fInexthop\fR +/* The host to send to and optional delivery method information. +/* .IP \fIrecipient\fR +/* The envelope recipient address that is passed on to \fInexthop\fR. +/* .IP \fIflags\fR +/* The address class, whether the address requires relaying, +/* whether the address has problems, and whether the request failed. +/* .RE +/* .IP "\fBverify \fIsender\fR \fIaddress\fR" +/* Resolve the address for address verification purposes. +/* SERVER PROCESS MANAGEMENT +/* .ad +/* .fi +/* The \fBtrivial-rewrite\fR(8) servers run under control by +/* the Postfix master(8) +/* server. Each server can handle multiple simultaneous connections. +/* When all servers are busy while a client connects, the master +/* creates a new server process, provided that the trivial-rewrite +/* server process limit is not exceeded. +/* Each trivial-rewrite server terminates after +/* serving at least \fB$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 an email address +/* localpart, user name, or a .forward file name from its extension. +/* .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 $relay_domains. +/* .IP "\fBparent_domain_matches_subdomains (see 'postconf -d' output)\fR" +/* A list of Postfix features where the pattern "example.com" also +/* matches subdomains of example.com, +/* instead of requiring an explicit ".example.com" pattern. +/* .IP "\fBrelayhost (empty)\fR" +/* The next-hop destination(s) for non-local mail; overrides non-local +/* domains in recipient addresses. +/* .IP "\fBtransport_maps (empty)\fR" +/* Optional lookup tables with mappings from recipient address to +/* (message delivery transport, next-hop destination). +/* .PP +/* Available in Postfix version 2.3 and later: +/* .IP "\fBsender_dependent_relayhost_maps (empty)\fR" +/* A sender-dependent override for the global relayhost parameter +/* setting. +/* .PP +/* Available in Postfix version 2.5 and later: +/* .IP "\fBempty_address_relayhost_maps_lookup_key (<>)\fR" +/* The sender_dependent_relayhost_maps search string that will be +/* used instead of the null sender address. +/* .PP +/* Available in Postfix version 2.7 and later: +/* .IP "\fBempty_address_default_transport_maps_lookup_key (<>)\fR" +/* The sender_dependent_default_transport_maps search string that +/* will be used instead of the null sender address. +/* .IP "\fBsender_dependent_default_transport_maps (empty)\fR" +/* A sender-dependent override for the global default_transport +/* parameter setting. +/* ADDRESS VERIFICATION CONTROLS +/* .ad +/* .fi +/* Postfix version 2.1 introduces sender and recipient address verification. +/* This feature is implemented by sending probe email messages that +/* are not actually delivered. +/* By default, address verification probes use the same route +/* as regular mail. To override specific aspects of message +/* routing for address verification probes, specify one or more +/* of the following: +/* .IP "\fBaddress_verify_local_transport ($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 + +/* post_accept - announce our protocol name */ + +static void post_accept(VSTREAM *stream, char *unused_name, char **unused_argv, + HTABLE *unused_attr) +{ + + /* + * Announce the protocol. + */ + attr_print(stream, ATTR_FLAG_NONE, + SEND_ATTR_STR(MAIL_ATTR_PROTO, MAIL_ATTR_PROTO_TRIVIAL), + ATTR_TYPE_END); + (void) vstream_fflush(stream); +} + +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 + CA_MAIL_SERVER_POST_ACCEPT(post_accept), + 0); +} |