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-rw-r--r--smtpd/smtpd.h1784
1 files changed, 0 insertions, 1784 deletions
diff --git a/smtpd/smtpd.h b/smtpd/smtpd.h
deleted file mode 100644
index 4385f747..00000000
--- a/smtpd/smtpd.h
+++ /dev/null
@@ -1,1784 +0,0 @@
-/* $OpenBSD: smtpd.h,v 1.656 2020/04/08 07:30:44 eric Exp $ */
-
-/*
- * Copyright (c) 2008 Gilles Chehade <gilles@poolp.org>
- * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
- * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <event.h>
-
-#include <imsg.h>
-
-#include "openbsd-compat.h"
-
-#ifndef nitems
-#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
-#endif
-
-#include <netinet/in.h>
-#include <netdb.h>
-#include <event.h>
-
-#include "smtpd-defines.h"
-#include "smtpd-api.h"
-#include "ioev.h"
-
-#define CHECK_IMSG_DATA_SIZE(imsg, expected_sz) do { \
- if ((imsg)->hdr.len - IMSG_HEADER_SIZE != (expected_sz)) \
- fatalx("smtpd: imsg %d: data size expected %zd got %zd",\
- (imsg)->hdr.type, \
- (expected_sz), (imsg)->hdr.len - IMSG_HEADER_SIZE); \
-} while (0)
-
-#ifndef SMTPD_CONFDIR
-#define SMTPD_CONFDIR "/etc"
-#endif
-#define CONF_FILE SMTPD_CONFDIR "/smtpd.conf"
-#define MAILNAME_FILE SMTPD_CONFDIR "/mailname"
-#ifndef CA_FILE
-#define CA_FILE "/etc/ssl/cert.pem"
-#endif
-
-#define PROC_COUNT 7
-
-#define MAX_HOPS_COUNT 100
-#define DEFAULT_MAX_BODY_SIZE (35*1024*1024)
-
-#define EXPAND_BUFFER 1024
-
-#define SMTPD_QUEUE_EXPIRY (4 * 24 * 60 * 60)
-#ifndef SMTPD_USER
-#define SMTPD_USER "_smtpd"
-#endif
-#ifndef SMTPD_QUEUE_USER
-#define SMTPD_QUEUE_USER "_smtpq"
-#endif
-#ifndef SMTPD_SOCKDIR
-#define SMTPD_SOCKDIR "/var/run"
-#endif
-#define SMTPD_SOCKET SMTPD_SOCKDIR "/smtpd.sock"
-#ifndef SMTPD_NAME
-#define SMTPD_NAME "OpenSMTPD"
-#endif
-#define SMTPD_VERSION "6.7.0-portable"
-#define SMTPD_SESSION_TIMEOUT 300
-#define SMTPD_BACKLOG 5
-
-#ifndef PATH_SMTPCTL
-#define PATH_SMTPCTL "/usr/sbin/smtpctl"
-#endif
-
-#define PATH_OFFLINE "/offline"
-#define PATH_PURGE "/purge"
-#define PATH_TEMPORARY "/temporary"
-
-#ifndef PATH_LIBEXEC
-#define PATH_LIBEXEC "/usr/local/libexec/smtpd"
-#endif
-
-
-/*
- * RFC 5322 defines these characters as valid, some of them are
- * potentially dangerous and need to be escaped.
- */
-#define MAILADDR_ALLOWED "!#$%&'*/?^`{|}~+-=_"
-#define MAILADDR_ESCAPE "!#$%&'*?`{|}~"
-
-
-#define F_STARTTLS 0x01
-#define F_SMTPS 0x02
-#define F_SSL (F_STARTTLS | F_SMTPS)
-#define F_AUTH 0x08
-#define F_STARTTLS_REQUIRE 0x20
-#define F_AUTH_REQUIRE 0x40
-#define F_MASK_SOURCE 0x100
-#define F_TLS_VERIFY 0x200
-#define F_EXT_DSN 0x400
-#define F_RECEIVEDAUTH 0x800
-#define F_MASQUERADE 0x1000
-#define F_FILTERED 0x2000
-#define F_PROXY 0x4000
-
-#define RELAY_TLS_OPPORTUNISTIC 0
-#define RELAY_TLS_STARTTLS 1
-#define RELAY_TLS_SMTPS 2
-#define RELAY_TLS_NO 3
-
-#define RELAY_AUTH 0x08
-#define RELAY_LMTP 0x80
-#define RELAY_TLS_VERIFY 0x200
-
-#define MTA_EXT_DSN 0x400
-
-
-#define P_SENDMAIL 0
-#define P_NEWALIASES 1
-#define P_MAKEMAP 2
-
-#define CERT_ERROR -1
-#define CERT_OK 0
-#define CERT_NOCA 1
-#define CERT_NOCERT 2
-#define CERT_INVALID 3
-
-struct userinfo {
- char username[SMTPD_VUSERNAME_SIZE];
- char directory[PATH_MAX];
- uid_t uid;
- gid_t gid;
-};
-
-struct netaddr {
- struct sockaddr_storage ss;
- int bits;
-};
-
-struct relayhost {
- uint16_t flags;
- int tls;
- char hostname[HOST_NAME_MAX+1];
- uint16_t port;
- char authlabel[PATH_MAX];
-};
-
-struct credentials {
- char username[LINE_MAX];
- char password[LINE_MAX];
-};
-
-struct destination {
- char name[HOST_NAME_MAX+1];
-};
-
-struct source {
- struct sockaddr_storage addr;
-};
-
-struct addrname {
- struct sockaddr_storage addr;
- char name[HOST_NAME_MAX+1];
-};
-
-union lookup {
- struct expand *expand;
- struct credentials creds;
- struct netaddr netaddr;
- struct source source;
- struct destination domain;
- struct userinfo userinfo;
- struct mailaddr mailaddr;
- struct addrname addrname;
- struct maddrmap *maddrmap;
- char relayhost[LINE_MAX];
-};
-
-/*
- * Bump IMSG_VERSION whenever a change is made to enum imsg_type.
- * This will ensure that we can never use a wrong version of smtpctl with smtpd.
- */
-#define IMSG_VERSION 16
-
-enum imsg_type {
- IMSG_NONE,
-
- IMSG_CTL_OK,
- IMSG_CTL_FAIL,
-
- IMSG_CTL_GET_DIGEST,
- IMSG_CTL_GET_STATS,
- IMSG_CTL_LIST_MESSAGES,
- IMSG_CTL_LIST_ENVELOPES,
- IMSG_CTL_MTA_SHOW_HOSTS,
- IMSG_CTL_MTA_SHOW_RELAYS,
- IMSG_CTL_MTA_SHOW_ROUTES,
- IMSG_CTL_MTA_SHOW_HOSTSTATS,
- IMSG_CTL_MTA_BLOCK,
- IMSG_CTL_MTA_UNBLOCK,
- IMSG_CTL_MTA_SHOW_BLOCK,
- IMSG_CTL_PAUSE_EVP,
- IMSG_CTL_PAUSE_MDA,
- IMSG_CTL_PAUSE_MTA,
- IMSG_CTL_PAUSE_SMTP,
- IMSG_CTL_PROFILE,
- IMSG_CTL_PROFILE_DISABLE,
- IMSG_CTL_PROFILE_ENABLE,
- IMSG_CTL_RESUME_EVP,
- IMSG_CTL_RESUME_MDA,
- IMSG_CTL_RESUME_MTA,
- IMSG_CTL_RESUME_SMTP,
- IMSG_CTL_RESUME_ROUTE,
- IMSG_CTL_REMOVE,
- IMSG_CTL_SCHEDULE,
- IMSG_CTL_SHOW_STATUS,
- IMSG_CTL_TRACE_DISABLE,
- IMSG_CTL_TRACE_ENABLE,
- IMSG_CTL_UPDATE_TABLE,
- IMSG_CTL_VERBOSE,
- IMSG_CTL_DISCOVER_EVPID,
- IMSG_CTL_DISCOVER_MSGID,
-
- IMSG_CTL_SMTP_SESSION,
-
- IMSG_GETADDRINFO,
- IMSG_GETADDRINFO_END,
- IMSG_GETNAMEINFO,
- IMSG_RES_QUERY,
-
- IMSG_CERT_INIT,
- IMSG_CERT_CERTIFICATE,
- IMSG_CERT_VERIFY,
-
- IMSG_SETUP_KEY,
- IMSG_SETUP_PEER,
- IMSG_SETUP_DONE,
-
- IMSG_CONF_START,
- IMSG_CONF_END,
-
- IMSG_STAT_INCREMENT,
- IMSG_STAT_DECREMENT,
- IMSG_STAT_SET,
-
- IMSG_LKA_AUTHENTICATE,
- IMSG_LKA_OPEN_FORWARD,
- IMSG_LKA_ENVELOPE_SUBMIT,
- IMSG_LKA_ENVELOPE_COMMIT,
-
- IMSG_QUEUE_DELIVER,
- IMSG_QUEUE_DELIVERY_OK,
- IMSG_QUEUE_DELIVERY_TEMPFAIL,
- IMSG_QUEUE_DELIVERY_PERMFAIL,
- IMSG_QUEUE_DELIVERY_LOOP,
- IMSG_QUEUE_DISCOVER_EVPID,
- IMSG_QUEUE_DISCOVER_MSGID,
- IMSG_QUEUE_ENVELOPE_ACK,
- IMSG_QUEUE_ENVELOPE_COMMIT,
- IMSG_QUEUE_ENVELOPE_REMOVE,
- IMSG_QUEUE_ENVELOPE_SCHEDULE,
- IMSG_QUEUE_ENVELOPE_SUBMIT,
- IMSG_QUEUE_HOLDQ_HOLD,
- IMSG_QUEUE_HOLDQ_RELEASE,
- IMSG_QUEUE_MESSAGE_COMMIT,
- IMSG_QUEUE_MESSAGE_ROLLBACK,
- IMSG_QUEUE_SMTP_SESSION,
- IMSG_QUEUE_TRANSFER,
-
- IMSG_MDA_DELIVERY_OK,
- IMSG_MDA_DELIVERY_TEMPFAIL,
- IMSG_MDA_DELIVERY_PERMFAIL,
- IMSG_MDA_DELIVERY_LOOP,
- IMSG_MDA_DELIVERY_HOLD,
- IMSG_MDA_DONE,
- IMSG_MDA_FORK,
- IMSG_MDA_HOLDQ_RELEASE,
- IMSG_MDA_LOOKUP_USERINFO,
- IMSG_MDA_KILL,
- IMSG_MDA_OPEN_MESSAGE,
-
- IMSG_MTA_DELIVERY_OK,
- IMSG_MTA_DELIVERY_TEMPFAIL,
- IMSG_MTA_DELIVERY_PERMFAIL,
- IMSG_MTA_DELIVERY_LOOP,
- IMSG_MTA_DELIVERY_HOLD,
- IMSG_MTA_DNS_HOST,
- IMSG_MTA_DNS_HOST_END,
- IMSG_MTA_DNS_MX,
- IMSG_MTA_DNS_MX_PREFERENCE,
- IMSG_MTA_HOLDQ_RELEASE,
- IMSG_MTA_LOOKUP_CREDENTIALS,
- IMSG_MTA_LOOKUP_SOURCE,
- IMSG_MTA_LOOKUP_HELO,
- IMSG_MTA_LOOKUP_SMARTHOST,
- IMSG_MTA_OPEN_MESSAGE,
- IMSG_MTA_SCHEDULE,
-
- IMSG_SCHED_ENVELOPE_BOUNCE,
- IMSG_SCHED_ENVELOPE_DELIVER,
- IMSG_SCHED_ENVELOPE_EXPIRE,
- IMSG_SCHED_ENVELOPE_INJECT,
- IMSG_SCHED_ENVELOPE_REMOVE,
- IMSG_SCHED_ENVELOPE_TRANSFER,
-
- IMSG_SMTP_AUTHENTICATE,
- IMSG_SMTP_MESSAGE_COMMIT,
- IMSG_SMTP_MESSAGE_CREATE,
- IMSG_SMTP_MESSAGE_ROLLBACK,
- IMSG_SMTP_MESSAGE_OPEN,
- IMSG_SMTP_CHECK_SENDER,
- IMSG_SMTP_EXPAND_RCPT,
- IMSG_SMTP_LOOKUP_HELO,
-
- IMSG_SMTP_REQ_CONNECT,
- IMSG_SMTP_REQ_HELO,
- IMSG_SMTP_REQ_MAIL,
- IMSG_SMTP_REQ_RCPT,
- IMSG_SMTP_REQ_DATA,
- IMSG_SMTP_REQ_EOM,
- IMSG_SMTP_EVENT_RSET,
- IMSG_SMTP_EVENT_COMMIT,
- IMSG_SMTP_EVENT_ROLLBACK,
- IMSG_SMTP_EVENT_DISCONNECT,
-
- IMSG_LKA_PROCESSOR_FORK,
- IMSG_LKA_PROCESSOR_ERRFD,
-
- IMSG_REPORT_SMTP_LINK_CONNECT,
- IMSG_REPORT_SMTP_LINK_DISCONNECT,
- IMSG_REPORT_SMTP_LINK_GREETING,
- IMSG_REPORT_SMTP_LINK_IDENTIFY,
- IMSG_REPORT_SMTP_LINK_TLS,
- IMSG_REPORT_SMTP_LINK_AUTH,
- IMSG_REPORT_SMTP_TX_RESET,
- IMSG_REPORT_SMTP_TX_BEGIN,
- IMSG_REPORT_SMTP_TX_MAIL,
- IMSG_REPORT_SMTP_TX_RCPT,
- IMSG_REPORT_SMTP_TX_ENVELOPE,
- IMSG_REPORT_SMTP_TX_DATA,
- IMSG_REPORT_SMTP_TX_COMMIT,
- IMSG_REPORT_SMTP_TX_ROLLBACK,
- IMSG_REPORT_SMTP_PROTOCOL_CLIENT,
- IMSG_REPORT_SMTP_PROTOCOL_SERVER,
- IMSG_REPORT_SMTP_FILTER_RESPONSE,
- IMSG_REPORT_SMTP_TIMEOUT,
-
- IMSG_FILTER_SMTP_BEGIN,
- IMSG_FILTER_SMTP_END,
- IMSG_FILTER_SMTP_PROTOCOL,
- IMSG_FILTER_SMTP_DATA_BEGIN,
- IMSG_FILTER_SMTP_DATA_END,
-
- IMSG_CA_RSA_PRIVENC,
- IMSG_CA_RSA_PRIVDEC,
- IMSG_CA_ECDSA_SIGN,
-};
-
-enum smtp_proc_type {
- PROC_PARENT = 0,
- PROC_LKA,
- PROC_QUEUE,
- PROC_CONTROL,
- PROC_SCHEDULER,
- PROC_PONY,
- PROC_CA,
- PROC_PROCESSOR,
- PROC_CLIENT,
-};
-
-enum table_type {
- T_NONE = 0,
- T_DYNAMIC = 0x01, /* table with external source */
- T_LIST = 0x02, /* table holding a list */
- T_HASH = 0x04, /* table holding a hash table */
-};
-
-struct table {
- char t_name[LINE_MAX];
- enum table_type t_type;
- char t_config[PATH_MAX];
-
- void *t_handle;
- struct table_backend *t_backend;
-};
-
-struct table_backend {
- const char *name;
- const unsigned int services;
- int (*config)(struct table *);
- int (*add)(struct table *, const char *, const char *);
- void (*dump)(struct table *);
- int (*open)(struct table *);
- int (*update)(struct table *);
- void (*close)(struct table *);
- int (*lookup)(struct table *, enum table_service, const char *, char **);
- int (*fetch)(struct table *, enum table_service, char **);
-};
-
-
-enum bounce_type {
- B_FAILED,
- B_DELAYED,
- B_DELIVERED
-};
-
-enum dsn_ret {
- DSN_RETFULL = 1,
- DSN_RETHDRS
-};
-
-struct delivery_bounce {
- enum bounce_type type;
- time_t delay;
- time_t ttl;
- enum dsn_ret dsn_ret;
- int mta_without_dsn;
-};
-
-enum expand_type {
- EXPAND_INVALID,
- EXPAND_USERNAME,
- EXPAND_FILENAME,
- EXPAND_FILTER,
- EXPAND_INCLUDE,
- EXPAND_ADDRESS,
- EXPAND_ERROR,
-};
-
-enum filter_phase {
- FILTER_CONNECT,
- FILTER_HELO,
- FILTER_EHLO,
- FILTER_STARTTLS,
- FILTER_AUTH,
- FILTER_MAIL_FROM,
- FILTER_RCPT_TO,
- FILTER_DATA,
- FILTER_DATA_LINE,
- FILTER_RSET,
- FILTER_QUIT,
- FILTER_NOOP,
- FILTER_HELP,
- FILTER_WIZ,
- FILTER_COMMIT,
- FILTER_PHASES_COUNT /* must be last */
-};
-
-struct expandnode {
- RB_ENTRY(expandnode) entry;
- TAILQ_ENTRY(expandnode) tq_entry;
- enum expand_type type;
- int sameuser;
- int realuser;
- int forwarded;
- struct rule *rule;
- struct expandnode *parent;
- unsigned int depth;
- union {
- /*
- * user field handles both expansion user and system user
- * so we MUST make it large enough to fit a mailaddr user
- */
- char user[SMTPD_MAXLOCALPARTSIZE];
- char buffer[EXPAND_BUFFER];
- struct mailaddr mailaddr;
- } u;
- char subaddress[SMTPD_SUBADDRESS_SIZE];
-};
-
-struct expand {
- RB_HEAD(expandtree, expandnode) tree;
- TAILQ_HEAD(xnodes, expandnode) *queue;
- size_t nb_nodes;
- struct rule *rule;
- struct expandnode *parent;
-};
-
-struct maddrnode {
- TAILQ_ENTRY(maddrnode) entries;
- struct mailaddr mailaddr;
-};
-
-struct maddrmap {
- TAILQ_HEAD(xmaddr, maddrnode) queue;
-};
-
-#define DSN_SUCCESS 0x01
-#define DSN_FAILURE 0x02
-#define DSN_DELAY 0x04
-#define DSN_NEVER 0x08
-
-#define DSN_ENVID_LEN 100
-
-#define SMTPD_ENVELOPE_VERSION 3
-struct envelope {
- TAILQ_ENTRY(envelope) entry;
-
- char dispatcher[HOST_NAME_MAX+1];
-
- char tag[SMTPD_TAG_SIZE];
-
- uint32_t version;
- uint64_t id;
- enum envelope_flags flags;
-
- char smtpname[HOST_NAME_MAX+1];
- char helo[HOST_NAME_MAX+1];
- char hostname[HOST_NAME_MAX+1];
- char username[SMTPD_MAXMAILADDRSIZE];
- char errorline[LINE_MAX];
- struct sockaddr_storage ss;
-
- struct mailaddr sender;
- struct mailaddr rcpt;
- struct mailaddr dest;
-
- char mda_user[SMTPD_VUSERNAME_SIZE];
- char mda_subaddress[SMTPD_SUBADDRESS_SIZE];
- char mda_exec[LINE_MAX];
-
- enum delivery_type type;
- union {
- struct delivery_bounce bounce;
- } agent;
-
- uint16_t retry;
- time_t creation;
- time_t ttl;
- time_t lasttry;
- time_t nexttry;
- time_t lastbounce;
-
- struct mailaddr dsn_orcpt;
- char dsn_envid[DSN_ENVID_LEN+1];
- uint8_t dsn_notify;
- enum dsn_ret dsn_ret;
-
- uint8_t esc_class;
- uint8_t esc_code;
-};
-
-struct listener {
- uint16_t flags;
- int fd;
- struct sockaddr_storage ss;
- in_port_t port;
- struct timeval timeout;
- struct event ev;
- char filter_name[PATH_MAX];
- char pki_name[PATH_MAX];
- char ca_name[PATH_MAX];
- char tag[SMTPD_TAG_SIZE];
- char authtable[LINE_MAX];
- char hostname[HOST_NAME_MAX+1];
- char hostnametable[PATH_MAX];
- char sendertable[PATH_MAX];
-
- TAILQ_ENTRY(listener) entry;
-
- int local; /* there must be a better way */
-};
-
-struct smtpd {
- char sc_conffile[PATH_MAX];
- size_t sc_maxsize;
-
-#define SMTPD_OPT_VERBOSE 0x00000001
-#define SMTPD_OPT_NOACTION 0x00000002
- uint32_t sc_opts;
-
-#define SMTPD_EXITING 0x00000001 /* unused */
-#define SMTPD_MDA_PAUSED 0x00000002
-#define SMTPD_MTA_PAUSED 0x00000004
-#define SMTPD_SMTP_PAUSED 0x00000008
-#define SMTPD_MDA_BUSY 0x00000010
-#define SMTPD_MTA_BUSY 0x00000020
-#define SMTPD_BOUNCE_BUSY 0x00000040
-#define SMTPD_SMTP_DISABLED 0x00000080
- uint32_t sc_flags;
-
-#define QUEUE_COMPRESSION 0x00000001
-#define QUEUE_ENCRYPTION 0x00000002
-#define QUEUE_EVPCACHE 0x00000004
- uint32_t sc_queue_flags;
- char *sc_queue_key;
- size_t sc_queue_evpcache_size;
-
- size_t sc_session_max_rcpt;
- size_t sc_session_max_mails;
-
- struct dict *sc_mda_wrappers;
- size_t sc_mda_max_session;
- size_t sc_mda_max_user_session;
- size_t sc_mda_task_hiwat;
- size_t sc_mda_task_lowat;
- size_t sc_mda_task_release;
-
- size_t sc_mta_max_deferred;
-
- size_t sc_scheduler_max_inflight;
- size_t sc_scheduler_max_evp_batch_size;
- size_t sc_scheduler_max_msg_batch_size;
- size_t sc_scheduler_max_schedule;
-
- struct dict *sc_filter_processes_dict;
-
- int sc_ttl;
-#define MAX_BOUNCE_WARN 4
- time_t sc_bounce_warn[MAX_BOUNCE_WARN];
- char sc_hostname[HOST_NAME_MAX+1];
- struct stat_backend *sc_stat;
- struct compress_backend *sc_comp;
-
- time_t sc_uptime;
-
- /* This is a listener for a local socket used by smtp_enqueue(). */
- struct listener *sc_sock_listener;
-
- TAILQ_HEAD(listenerlist, listener) *sc_listeners;
-
- TAILQ_HEAD(rulelist, rule) *sc_rules;
-
-
- struct dict *sc_filters_dict;
- struct dict *sc_dispatchers;
- struct dispatcher *sc_dispatcher_bounce;
-
- struct dict *sc_ca_dict;
- struct dict *sc_pki_dict;
- struct dict *sc_ssl_dict;
-
- struct dict *sc_tables_dict; /* keyed lookup */
-
- struct dict *sc_limits_dict;
-
- char *sc_tls_ciphers;
-
- char *sc_subaddressing_delim;
-
- char *sc_srs_key;
- char *sc_srs_key_backup;
- int sc_srs_ttl;
-};
-
-#define TRACE_DEBUG 0x0001
-#define TRACE_IMSG 0x0002
-#define TRACE_IO 0x0004
-#define TRACE_SMTP 0x0008
-#define TRACE_FILTERS 0x0010
-#define TRACE_MTA 0x0020
-#define TRACE_BOUNCE 0x0040
-#define TRACE_SCHEDULER 0x0080
-#define TRACE_LOOKUP 0x0100
-#define TRACE_STAT 0x0200
-#define TRACE_RULES 0x0400
-#define TRACE_MPROC 0x0800
-#define TRACE_EXPAND 0x1000
-#define TRACE_TABLES 0x2000
-#define TRACE_QUEUE 0x4000
-
-#define PROFILE_TOSTAT 0x0001
-#define PROFILE_IMSG 0x0002
-#define PROFILE_QUEUE 0x0004
-
-struct forward_req {
- uint64_t id;
- uint8_t status;
-
- char user[SMTPD_VUSERNAME_SIZE];
- uid_t uid;
- gid_t gid;
- char directory[PATH_MAX];
-};
-
-struct deliver {
- char dispatcher[EXPAND_BUFFER];
-
- struct mailaddr sender;
- struct mailaddr rcpt;
- struct mailaddr dest;
-
- char mda_subaddress[SMTPD_SUBADDRESS_SIZE];
- char mda_exec[LINE_MAX];
-
- struct userinfo userinfo;
-};
-
-struct mta_host {
- SPLAY_ENTRY(mta_host) entry;
- struct sockaddr *sa;
- char *ptrname;
- int refcount;
- size_t nconn;
- time_t lastconn;
- time_t lastptrquery;
-
-#define HOST_IGNORE 0x01
- int flags;
-};
-
-struct mta_mx {
- TAILQ_ENTRY(mta_mx) entry;
- struct mta_host *host;
- char *mxname;
- int preference;
-};
-
-struct mta_domain {
- SPLAY_ENTRY(mta_domain) entry;
- char *name;
- int as_host;
- TAILQ_HEAD(, mta_mx) mxs;
- int mxstatus;
- int refcount;
- size_t nconn;
- time_t lastconn;
- time_t lastmxquery;
-};
-
-struct mta_source {
- SPLAY_ENTRY(mta_source) entry;
- struct sockaddr *sa;
- int refcount;
- size_t nconn;
- time_t lastconn;
-};
-
-struct mta_connector {
- struct mta_source *source;
- struct mta_relay *relay;
-
-#define CONNECTOR_ERROR_FAMILY 0x0001
-#define CONNECTOR_ERROR_SOURCE 0x0002
-#define CONNECTOR_ERROR_MX 0x0004
-#define CONNECTOR_ERROR_ROUTE_NET 0x0008
-#define CONNECTOR_ERROR_ROUTE_SMTP 0x0010
-#define CONNECTOR_ERROR_ROUTE 0x0018
-#define CONNECTOR_ERROR_BLOCKED 0x0020
-#define CONNECTOR_ERROR 0x00ff
-
-#define CONNECTOR_LIMIT_HOST 0x0100
-#define CONNECTOR_LIMIT_ROUTE 0x0200
-#define CONNECTOR_LIMIT_SOURCE 0x0400
-#define CONNECTOR_LIMIT_RELAY 0x0800
-#define CONNECTOR_LIMIT_CONN 0x1000
-#define CONNECTOR_LIMIT_DOMAIN 0x2000
-#define CONNECTOR_LIMIT 0xff00
-
-#define CONNECTOR_NEW 0x10000
-#define CONNECTOR_WAIT 0x20000
- int flags;
-
- int refcount;
- size_t nconn;
- time_t lastconn;
-};
-
-struct mta_route {
- SPLAY_ENTRY(mta_route) entry;
- uint64_t id;
- struct mta_source *src;
- struct mta_host *dst;
-#define ROUTE_NEW 0x01
-#define ROUTE_RUNQ 0x02
-#define ROUTE_KEEPALIVE 0x04
-#define ROUTE_DISABLED 0xf0
-#define ROUTE_DISABLED_NET 0x10
-#define ROUTE_DISABLED_SMTP 0x20
- int flags;
- int nerror;
- int penalty;
- int refcount;
- size_t nconn;
- time_t lastconn;
- time_t lastdisc;
- time_t lastpenalty;
-};
-
-struct mta_limits {
- size_t maxconn_per_host;
- size_t maxconn_per_route;
- size_t maxconn_per_source;
- size_t maxconn_per_connector;
- size_t maxconn_per_relay;
- size_t maxconn_per_domain;
-
- time_t conndelay_host;
- time_t conndelay_route;
- time_t conndelay_source;
- time_t conndelay_connector;
- time_t conndelay_relay;
- time_t conndelay_domain;
-
- time_t discdelay_route;
-
- size_t max_mail_per_session;
- time_t sessdelay_transaction;
- time_t sessdelay_keepalive;
-
- size_t max_failures_per_session;
-
- int family;
-
- int task_hiwat;
- int task_lowat;
- int task_release;
-};
-
-struct mta_relay {
- SPLAY_ENTRY(mta_relay) entry;
- uint64_t id;
-
- struct dispatcher *dispatcher;
- struct mta_domain *domain;
- struct mta_limits *limits;
- int tls;
- int flags;
- char *backupname;
- int backuppref;
- char *sourcetable;
- uint16_t port;
- char *pki_name;
- char *ca_name;
- char *authtable;
- char *authlabel;
- char *helotable;
- char *heloname;
- char *secret;
- int srs;
-
- int state;
- size_t ntask;
- TAILQ_HEAD(, mta_task) tasks;
-
- struct tree connectors;
- size_t sourceloop;
- time_t lastsource;
- time_t nextsource;
-
- int fail;
- char *failstr;
-
-#define RELAY_WAIT_MX 0x01
-#define RELAY_WAIT_PREFERENCE 0x02
-#define RELAY_WAIT_SECRET 0x04
-#define RELAY_WAIT_LIMITS 0x08
-#define RELAY_WAIT_SOURCE 0x10
-#define RELAY_WAIT_CONNECTOR 0x20
-#define RELAY_WAIT_SMARTHOST 0x40
-#define RELAY_WAITMASK 0x7f
- int status;
-
- int refcount;
- size_t nconn;
- size_t nconn_ready;
- time_t lastconn;
-};
-
-struct mta_envelope {
- TAILQ_ENTRY(mta_envelope) entry;
- uint64_t id;
- uint64_t session;
- time_t creation;
- char *smtpname;
- char *dest;
- char *rcpt;
- struct mta_task *task;
- int delivery;
-
- int ext;
- char *dsn_orcpt;
- char dsn_envid[DSN_ENVID_LEN+1];
- uint8_t dsn_notify;
- enum dsn_ret dsn_ret;
-
- char status[LINE_MAX];
-};
-
-struct mta_task {
- TAILQ_ENTRY(mta_task) entry;
- struct mta_relay *relay;
- uint32_t msgid;
- TAILQ_HEAD(, mta_envelope) envelopes;
- char *sender;
-};
-
-struct passwd;
-
-struct queue_backend {
- int (*init)(struct passwd *, int, const char *);
-};
-
-struct compress_backend {
- size_t (*compress_chunk)(void *, size_t, void *, size_t);
- size_t (*uncompress_chunk)(void *, size_t, void *, size_t);
- int (*compress_file)(FILE *, FILE *);
- int (*uncompress_file)(FILE *, FILE *);
-};
-
-/* auth structures */
-enum auth_type {
- AUTH_BSD,
- AUTH_PWD,
-};
-
-struct auth_backend {
- int (*authenticate)(char *, char *);
-};
-
-struct scheduler_backend {
- int (*init)(const char *);
-
- int (*insert)(struct scheduler_info *);
- size_t (*commit)(uint32_t);
- size_t (*rollback)(uint32_t);
-
- int (*update)(struct scheduler_info *);
- int (*delete)(uint64_t);
- int (*hold)(uint64_t, uint64_t);
- int (*release)(int, uint64_t, int);
-
- int (*batch)(int, int*, size_t*, uint64_t*, int*);
-
- size_t (*messages)(uint32_t, uint32_t *, size_t);
- size_t (*envelopes)(uint64_t, struct evpstate *, size_t);
- int (*schedule)(uint64_t);
- int (*remove)(uint64_t);
- int (*suspend)(uint64_t);
- int (*resume)(uint64_t);
- int (*query)(uint64_t);
-};
-
-enum stat_type {
- STAT_COUNTER,
- STAT_TIMESTAMP,
- STAT_TIMEVAL,
- STAT_TIMESPEC,
-};
-
-struct stat_value {
- enum stat_type type;
- union stat_v {
- size_t counter;
- time_t timestamp;
- struct timeval tv;
- struct timespec ts;
- } u;
-};
-
-#define STAT_KEY_SIZE 1024
-struct stat_kv {
- void *iter;
- char key[STAT_KEY_SIZE];
- struct stat_value val;
-};
-
-struct stat_backend {
- void (*init)(void);
- void (*close)(void);
- void (*increment)(const char *, size_t);
- void (*decrement)(const char *, size_t);
- void (*set)(const char *, const struct stat_value *);
- int (*iter)(void **, char **, struct stat_value *);
-};
-
-struct stat_digest {
- time_t startup;
- time_t timestamp;
-
- size_t clt_connect;
- size_t clt_disconnect;
-
- size_t evp_enqueued;
- size_t evp_dequeued;
-
- size_t evp_expired;
- size_t evp_removed;
- size_t evp_bounce;
-
- size_t dlv_ok;
- size_t dlv_permfail;
- size_t dlv_tempfail;
- size_t dlv_loop;
-};
-
-
-struct mproc {
- pid_t pid;
- char *name;
- int proc;
- void (*handler)(struct mproc *, struct imsg *);
- struct imsgbuf imsgbuf;
-
- char *m_buf;
- size_t m_alloc;
- size_t m_pos;
- uint32_t m_type;
- uint32_t m_peerid;
- pid_t m_pid;
- int m_fd;
-
- int enable;
- short events;
- struct event ev;
- void *data;
-};
-
-struct msg {
- const uint8_t *pos;
- const uint8_t *end;
-};
-
-extern enum smtp_proc_type smtpd_process;
-
-extern int tracing;
-extern int foreground_log;
-extern int profiling;
-
-extern struct mproc *p_control;
-extern struct mproc *p_parent;
-extern struct mproc *p_lka;
-extern struct mproc *p_queue;
-extern struct mproc *p_scheduler;
-extern struct mproc *p_pony;
-extern struct mproc *p_ca;
-
-extern struct smtpd *env;
-extern void (*imsg_callback)(struct mproc *, struct imsg *);
-
-/* inter-process structures */
-
-struct bounce_req_msg {
- uint64_t evpid;
- time_t timestamp;
- struct delivery_bounce bounce;
-};
-
-enum dns_error {
- DNS_OK = 0,
- DNS_RETRY,
- DNS_EINVAL,
- DNS_ENONAME,
- DNS_ENOTFOUND,
-};
-
-enum lka_resp_status {
- LKA_OK,
- LKA_TEMPFAIL,
- LKA_PERMFAIL
-};
-
-enum filter_type {
- FILTER_TYPE_BUILTIN,
- FILTER_TYPE_PROC,
- FILTER_TYPE_CHAIN,
-};
-
-enum filter_subsystem {
- FILTER_SUBSYSTEM_SMTP_IN = 1<<0,
- FILTER_SUBSYSTEM_SMTP_OUT = 1<<1,
-};
-
-struct filter_proc {
- const char *command;
- const char *user;
- const char *group;
- const char *chroot;
- int errfd;
- enum filter_subsystem filter_subsystem;
-};
-
-struct filter_config {
- char *name;
- enum filter_subsystem filter_subsystem;
- enum filter_type filter_type;
- enum filter_phase phase;
- char *reject;
- char *disconnect;
- char *rewrite;
- char *report;
- uint8_t junk;
- uint8_t bypass;
- char *proc;
-
- const char **chain;
- size_t chain_size;
- struct dict chain_procs;
-
- int8_t not_fcrdns;
- int8_t fcrdns;
-
- int8_t not_rdns;
- int8_t rdns;
-
- int8_t not_rdns_table;
- struct table *rdns_table;
-
- int8_t not_rdns_regex;
- struct table *rdns_regex;
-
- int8_t not_src_table;
- struct table *src_table;
-
- int8_t not_src_regex;
- struct table *src_regex;
-
- int8_t not_helo_table;
- struct table *helo_table;
-
- int8_t not_helo_regex;
- struct table *helo_regex;
-
- int8_t not_auth;
- int8_t auth;
-
- int8_t not_auth_table;
- struct table *auth_table;
-
- int8_t not_auth_regex;
- struct table *auth_regex;
-
- int8_t not_mail_from_table;
- struct table *mail_from_table;
-
- int8_t not_mail_from_regex;
- struct table *mail_from_regex;
-
- int8_t not_rcpt_to_table;
- struct table *rcpt_to_table;
-
- int8_t not_rcpt_to_regex;
- struct table *rcpt_to_regex;
-
-};
-
-enum filter_status {
- FILTER_PROCEED,
- FILTER_REWRITE,
- FILTER_REJECT,
- FILTER_DISCONNECT,
- FILTER_JUNK,
-};
-
-enum ca_resp_status {
- CA_OK,
- CA_FAIL
-};
-
-enum mda_resp_status {
- MDA_OK,
- MDA_TEMPFAIL,
- MDA_PERMFAIL
-};
-
-struct msg_walkinfo {
- struct event ev;
- uint32_t msgid;
- uint32_t peerid;
- size_t n_evp;
- void *data;
- int done;
-};
-
-
-enum dispatcher_type {
- DISPATCHER_LOCAL,
- DISPATCHER_REMOTE,
- DISPATCHER_BOUNCE,
-};
-
-struct dispatcher_local {
- uint8_t is_mbox; /* only for MBOX */
-
- uint8_t expand_only;
- uint8_t forward_only;
-
- char *mda_wrapper;
- char *command;
-
- char *table_alias;
- char *table_virtual;
- char *table_userbase;
-
- char *user;
-};
-
-struct dispatcher_remote {
- char *helo;
- char *helo_source;
-
- char *source;
-
- char *ca;
- char *pki;
-
- char *mail_from;
-
- char *smarthost;
- int smarthost_domain;
-
- char *auth;
- int tls_required;
- int tls_noverify;
-
- int backup;
- char *backupmx;
-
- char *filtername;
-
- int srs;
-};
-
-struct dispatcher_bounce {
-};
-
-struct dispatcher {
- enum dispatcher_type type;
- union dispatcher_agent {
- struct dispatcher_local local;
- struct dispatcher_remote remote;
- struct dispatcher_bounce bounce;
- } u;
-
- time_t ttl;
-};
-
-struct rule {
- TAILQ_ENTRY(rule) r_entry;
-
- uint8_t reject;
-
- int8_t flag_tag;
- int8_t flag_from;
- int8_t flag_for;
- int8_t flag_from_rdns;
- int8_t flag_from_socket;
-
- int8_t flag_tag_regex;
- int8_t flag_from_regex;
- int8_t flag_for_regex;
-
- int8_t flag_smtp_helo;
- int8_t flag_smtp_starttls;
- int8_t flag_smtp_auth;
- int8_t flag_smtp_mail_from;
- int8_t flag_smtp_rcpt_to;
-
- int8_t flag_smtp_helo_regex;
- int8_t flag_smtp_starttls_regex;
- int8_t flag_smtp_auth_regex;
- int8_t flag_smtp_mail_from_regex;
- int8_t flag_smtp_rcpt_to_regex;
-
-
- char *table_tag;
- char *table_from;
- char *table_for;
-
- char *table_smtp_helo;
- char *table_smtp_auth;
- char *table_smtp_mail_from;
- char *table_smtp_rcpt_to;
-
- char *dispatcher;
-};
-
-
-/* aliases.c */
-int aliases_get(struct expand *, const char *);
-int aliases_virtual_get(struct expand *, const struct mailaddr *);
-int alias_parse(struct expandnode *, const char *);
-
-
-/* auth.c */
-struct auth_backend *auth_backend_lookup(enum auth_type);
-
-
-/* bounce.c */
-void bounce_add(uint64_t);
-void bounce_fd(int);
-
-
-/* ca.c */
-int ca(void);
-int ca_X509_verify(void *, void *, const char *, const char *, const char **);
-void ca_imsg(struct mproc *, struct imsg *);
-void ca_init(void);
-void ca_engine_init(void);
-
-
-/* cert.c */
-int cert_init(const char *, int,
- void (*)(void *, int, const char *, const void *, size_t), void *);
-int cert_verify(const void *, const char *, int, void (*)(void *, int), void *);
-void cert_dispatch_request(struct mproc *, struct imsg *);
-void cert_dispatch_result(struct mproc *, struct imsg *);
-
-
-/* compress_backend.c */
-struct compress_backend *compress_backend_lookup(const char *);
-size_t compress_chunk(void *, size_t, void *, size_t);
-size_t uncompress_chunk(void *, size_t, void *, size_t);
-int compress_file(FILE *, FILE *);
-int uncompress_file(FILE *, FILE *);
-
-/* config.c */
-#define PURGE_LISTENERS 0x01
-#define PURGE_TABLES 0x02
-#define PURGE_RULES 0x04
-#define PURGE_PKI 0x08
-#define PURGE_PKI_KEYS 0x10
-#define PURGE_DISPATCHERS 0x20
-#define PURGE_EVERYTHING 0xff
-struct smtpd *config_default(void);
-void purge_config(uint8_t);
-void config_process(enum smtp_proc_type);
-void config_peer(enum smtp_proc_type);
-
-
-/* control.c */
-int control(void);
-int control_create_socket(void);
-
-
-/* crypto.c */
-int crypto_setup(const char *, size_t);
-int crypto_encrypt_file(FILE *, FILE *);
-int crypto_decrypt_file(FILE *, FILE *);
-size_t crypto_encrypt_buffer(const char *, size_t, char *, size_t);
-size_t crypto_decrypt_buffer(const char *, size_t, char *, size_t);
-
-
-/* dns.c */
-void dns_imsg(struct mproc *, struct imsg *);
-
-
-/* enqueue.c */
-int enqueue(int, char **, FILE *);
-
-
-/* envelope.c */
-void envelope_set_errormsg(struct envelope *, char *, ...);
-void envelope_set_esc_class(struct envelope *, enum enhanced_status_class);
-void envelope_set_esc_code(struct envelope *, enum enhanced_status_code);
-int envelope_load_buffer(struct envelope *, const char *, size_t);
-int envelope_dump_buffer(const struct envelope *, char *, size_t);
-
-
-/* expand.c */
-int expand_cmp(struct expandnode *, struct expandnode *);
-void expand_insert(struct expand *, struct expandnode *);
-struct expandnode *expand_lookup(struct expand *, struct expandnode *);
-void expand_clear(struct expand *);
-void expand_free(struct expand *);
-int expand_line(struct expand *, const char *, int);
-int expand_to_text(struct expand *, char *, size_t);
-RB_PROTOTYPE(expandtree, expandnode, nodes, expand_cmp);
-
-
-/* forward.c */
-int forwards_get(int, struct expand *);
-
-
-/* limit.c */
-void limit_mta_set_defaults(struct mta_limits *);
-int limit_mta_set(struct mta_limits *, const char*, int64_t);
-
-
-/* lka.c */
-int lka(void);
-
-
-/* lka_proc.c */
-int lka_proc_ready(void);
-void lka_proc_forked(const char *, uint32_t, int);
-void lka_proc_errfd(const char *, int);
-struct io *lka_proc_get_io(const char *);
-
-
-/* lka_report.c */
-void lka_report_init(void);
-void lka_report_register_hook(const char *, const char *);
-void lka_report_smtp_link_connect(const char *, struct timeval *, uint64_t, const char *, int,
- const struct sockaddr_storage *, const struct sockaddr_storage *);
-void lka_report_smtp_link_disconnect(const char *, struct timeval *, uint64_t);
-void lka_report_smtp_link_greeting(const char *, uint64_t, struct timeval *,
- const char *);
-void lka_report_smtp_link_identify(const char *, struct timeval *, uint64_t, const char *, const char *);
-void lka_report_smtp_link_tls(const char *, struct timeval *, uint64_t, const char *);
-void lka_report_smtp_link_auth(const char *, struct timeval *, uint64_t, const char *, const char *);
-void lka_report_smtp_tx_reset(const char *, struct timeval *, uint64_t, uint32_t);
-void lka_report_smtp_tx_begin(const char *, struct timeval *, uint64_t, uint32_t);
-void lka_report_smtp_tx_mail(const char *, struct timeval *, uint64_t, uint32_t, const char *, int);
-void lka_report_smtp_tx_rcpt(const char *, struct timeval *, uint64_t, uint32_t, const char *, int);
-void lka_report_smtp_tx_envelope(const char *, struct timeval *, uint64_t, uint32_t, uint64_t);
-void lka_report_smtp_tx_commit(const char *, struct timeval *, uint64_t, uint32_t, size_t);
-void lka_report_smtp_tx_data(const char *, struct timeval *, uint64_t, uint32_t, int);
-void lka_report_smtp_tx_rollback(const char *, struct timeval *, uint64_t, uint32_t);
-void lka_report_smtp_protocol_client(const char *, struct timeval *, uint64_t, const char *);
-void lka_report_smtp_protocol_server(const char *, struct timeval *, uint64_t, const char *);
-void lka_report_smtp_filter_response(const char *, struct timeval *, uint64_t,
- int, int, const char *);
-void lka_report_smtp_timeout(const char *, struct timeval *, uint64_t);
-void lka_report_filter_report(uint64_t, const char *, int, const char *,
- struct timeval *, const char *);
-void lka_report_proc(const char *, const char *);
-
-
-/* lka_filter.c */
-void lka_filter_init(void);
-void lka_filter_register_hook(const char *, const char *);
-void lka_filter_ready(void);
-int lka_filter_proc_in_session(uint64_t, const char *);
-void lka_filter_begin(uint64_t, const char *);
-void lka_filter_end(uint64_t);
-void lka_filter_protocol(uint64_t, enum filter_phase, const char *);
-void lka_filter_data_begin(uint64_t);
-void lka_filter_data_end(uint64_t);
-int lka_filter_response(uint64_t, const char *, const char *);
-
-
-/* lka_session.c */
-void lka_session(uint64_t, struct envelope *);
-void lka_session_forward_reply(struct forward_req *, int);
-
-
-/* log.c */
-void vlog(int, const char *, va_list);
-void logit(int, const char *, ...) __attribute__((format (printf, 2, 3)));
-
-
-/* mda.c */
-void mda_postfork(void);
-void mda_postprivdrop(void);
-void mda_imsg(struct mproc *, struct imsg *);
-
-
-/* mda_mbox.c */
-void mda_mbox_init(struct deliver *);
-void mda_mbox(struct deliver *);
-
-
-/* mda_unpriv.c */
-void mda_unpriv(struct dispatcher *, struct deliver *, const char *, const char *);
-
-
-/* mda_variables.c */
-ssize_t mda_expand_format(char *, size_t, const struct deliver *,
- const struct userinfo *, const char *);
-
-
-/* makemap.c */
-int makemap(int, int, char **);
-
-
-/* mailaddr.c */
-int mailaddr_line(struct maddrmap *, const char *);
-void maddrmap_init(struct maddrmap *);
-void maddrmap_insert(struct maddrmap *, struct maddrnode *);
-void maddrmap_free(struct maddrmap *);
-
-
-/* mproc.c */
-int mproc_fork(struct mproc *, const char*, char **);
-void mproc_init(struct mproc *, int);
-void mproc_clear(struct mproc *);
-void mproc_enable(struct mproc *);
-void mproc_disable(struct mproc *);
-void mproc_event_add(struct mproc *);
-void m_compose(struct mproc *, uint32_t, uint32_t, pid_t, int, void *, size_t);
-void m_composev(struct mproc *, uint32_t, uint32_t, pid_t, int,
- const struct iovec *, int);
-void m_forward(struct mproc *, struct imsg *);
-void m_create(struct mproc *, uint32_t, uint32_t, pid_t, int);
-void m_add(struct mproc *, const void *, size_t);
-void m_add_int(struct mproc *, int);
-void m_add_u32(struct mproc *, uint32_t);
-void m_add_size(struct mproc *, size_t);
-void m_add_time(struct mproc *, time_t);
-void m_add_timeval(struct mproc *, struct timeval *tv);
-void m_add_string(struct mproc *, const char *);
-void m_add_data(struct mproc *, const void *, size_t);
-void m_add_evpid(struct mproc *, uint64_t);
-void m_add_msgid(struct mproc *, uint32_t);
-void m_add_id(struct mproc *, uint64_t);
-void m_add_sockaddr(struct mproc *, const struct sockaddr *);
-void m_add_mailaddr(struct mproc *, const struct mailaddr *);
-void m_add_envelope(struct mproc *, const struct envelope *);
-void m_add_params(struct mproc *, struct dict *);
-void m_close(struct mproc *);
-void m_flush(struct mproc *);
-
-void m_msg(struct msg *, struct imsg *);
-int m_is_eom(struct msg *);
-void m_end(struct msg *);
-void m_get_int(struct msg *, int *);
-void m_get_size(struct msg *, size_t *);
-void m_get_u32(struct msg *, uint32_t *);
-void m_get_time(struct msg *, time_t *);
-void m_get_timeval(struct msg *, struct timeval *);
-void m_get_string(struct msg *, const char **);
-void m_get_data(struct msg *, const void **, size_t *);
-void m_get_evpid(struct msg *, uint64_t *);
-void m_get_msgid(struct msg *, uint32_t *);
-void m_get_id(struct msg *, uint64_t *);
-void m_get_sockaddr(struct msg *, struct sockaddr *);
-void m_get_mailaddr(struct msg *, struct mailaddr *);
-void m_get_envelope(struct msg *, struct envelope *);
-void m_get_params(struct msg *, struct dict *);
-void m_clear_params(struct dict *);
-
-
-/* mta.c */
-void mta_postfork(void);
-void mta_postprivdrop(void);
-void mta_imsg(struct mproc *, struct imsg *);
-void mta_route_ok(struct mta_relay *, struct mta_route *);
-void mta_route_error(struct mta_relay *, struct mta_route *);
-void mta_route_down(struct mta_relay *, struct mta_route *);
-void mta_route_collect(struct mta_relay *, struct mta_route *);
-void mta_source_error(struct mta_relay *, struct mta_route *, const char *);
-void mta_delivery_log(struct mta_envelope *, const char *, const char *, int, const char *);
-void mta_delivery_notify(struct mta_envelope *);
-struct mta_task *mta_route_next_task(struct mta_relay *, struct mta_route *);
-const char *mta_host_to_text(struct mta_host *);
-const char *mta_relay_to_text(struct mta_relay *);
-
-
-/* mta_session.c */
-void mta_session(struct mta_relay *, struct mta_route *, const char *);
-void mta_session_imsg(struct mproc *, struct imsg *);
-
-
-/* parse.y */
-int parse_config(struct smtpd *, const char *, int);
-int cmdline_symset(char *);
-
-
-/* queue.c */
-int queue(void);
-
-
-/* queue_backend.c */
-uint32_t queue_generate_msgid(void);
-uint64_t queue_generate_evpid(uint32_t);
-int queue_init(const char *, int);
-int queue_close(void);
-int queue_message_create(uint32_t *);
-int queue_message_delete(uint32_t);
-int queue_message_commit(uint32_t);
-int queue_message_fd_r(uint32_t);
-int queue_message_fd_rw(uint32_t);
-int queue_envelope_create(struct envelope *);
-int queue_envelope_delete(uint64_t);
-int queue_envelope_load(uint64_t, struct envelope *);
-int queue_envelope_update(struct envelope *);
-int queue_envelope_walk(struct envelope *);
-int queue_message_walk(struct envelope *, uint32_t, int *, void **);
-
-
-/* report_smtp.c */
-void report_smtp_link_connect(const char *, uint64_t, const char *, int,
- const struct sockaddr_storage *, const struct sockaddr_storage *);
-void report_smtp_link_disconnect(const char *, uint64_t);
-void report_smtp_link_greeting(const char *, uint64_t, const char *);
-void report_smtp_link_identify(const char *, uint64_t, const char *, const char *);
-void report_smtp_link_tls(const char *, uint64_t, const char *);
-void report_smtp_link_auth(const char *, uint64_t, const char *, const char *);
-void report_smtp_tx_reset(const char *, uint64_t, uint32_t);
-void report_smtp_tx_begin(const char *, uint64_t, uint32_t);
-void report_smtp_tx_mail(const char *, uint64_t, uint32_t, const char *, int);
-void report_smtp_tx_rcpt(const char *, uint64_t, uint32_t, const char *, int);
-void report_smtp_tx_envelope(const char *, uint64_t, uint32_t, uint64_t);
-void report_smtp_tx_data(const char *, uint64_t, uint32_t, int);
-void report_smtp_tx_commit(const char *, uint64_t, uint32_t, size_t);
-void report_smtp_tx_rollback(const char *, uint64_t, uint32_t);
-void report_smtp_protocol_client(const char *, uint64_t, const char *);
-void report_smtp_protocol_server(const char *, uint64_t, const char *);
-void report_smtp_filter_response(const char *, uint64_t, int, int, const char *);
-void report_smtp_timeout(const char *, uint64_t);
-
-
-/* ruleset.c */
-struct rule *ruleset_match(const struct envelope *);
-
-
-/* scheduler.c */
-int scheduler(void);
-
-
-/* scheduler_bakend.c */
-struct scheduler_backend *scheduler_backend_lookup(const char *);
-void scheduler_info(struct scheduler_info *, struct envelope *);
-
-
-/* pony.c */
-int pony(void);
-void pony_imsg(struct mproc *, struct imsg *);
-
-
-/* resolver.c */
-void resolver_getaddrinfo(const char *, const char *, const struct addrinfo *,
- void(*)(void *, int, struct addrinfo*), void *);
-void resolver_getnameinfo(const struct sockaddr *, int,
- void(*)(void *, int, const char *, const char *), void *);
-void resolver_res_query(const char *, int, int,
- void (*cb)(void *, int, int, int, const void *, int), void *);
-void resolver_dispatch_request(struct mproc *, struct imsg *);
-void resolver_dispatch_result(struct mproc *, struct imsg *);
-
-
-/* smtp.c */
-void smtp_postfork(void);
-void smtp_postprivdrop(void);
-void smtp_imsg(struct mproc *, struct imsg *);
-void smtp_configure(void);
-void smtp_collect(void);
-
-
-/* smtp_session.c */
-int smtp_session(struct listener *, int, const struct sockaddr_storage *,
- const char *, struct io *);
-void smtp_session_imsg(struct mproc *, struct imsg *);
-
-
-/* smtpf_session.c */
-int smtpf_session(struct listener *, int, const struct sockaddr_storage *,
- const char *);
-void smtpf_session_imsg(struct mproc *, struct imsg *);
-
-
-/* smtpd.c */
-void imsg_dispatch(struct mproc *, struct imsg *);
-const char *proc_name(enum smtp_proc_type);
-const char *proc_title(enum smtp_proc_type);
-const char *imsg_to_str(int);
-void log_imsg(int, int, struct imsg *);
-int fork_proc_backend(const char *, const char *, const char *);
-
-
-/* srs.c */
-const char *srs_encode(const char *, const char *);
-const char *srs_decode(const char *);
-
-
-/* ssl_smtpd.c */
-void *ssl_mta_init(void *, char *, off_t, const char *);
-void *ssl_smtp_init(void *, int);
-
-
-/* stat_backend.c */
-struct stat_backend *stat_backend_lookup(const char *);
-void stat_increment(const char *, size_t);
-void stat_decrement(const char *, size_t);
-void stat_set(const char *, const struct stat_value *);
-struct stat_value *stat_counter(size_t);
-struct stat_value *stat_timestamp(time_t);
-struct stat_value *stat_timeval(struct timeval *);
-struct stat_value *stat_timespec(struct timespec *);
-
-
-/* table.c */
-struct table *table_find(struct smtpd *, const char *);
-struct table *table_create(struct smtpd *, const char *, const char *,
- const char *);
-int table_config(struct table *);
-int table_open(struct table *);
-int table_update(struct table *);
-void table_close(struct table *);
-void table_dump(struct table *);
-int table_check_use(struct table *, uint32_t, uint32_t);
-int table_check_type(struct table *, uint32_t);
-int table_check_service(struct table *, uint32_t);
-int table_match(struct table *, enum table_service, const char *);
-int table_lookup(struct table *, enum table_service, const char *,
- union lookup *);
-int table_fetch(struct table *, enum table_service, union lookup *);
-void table_destroy(struct smtpd *, struct table *);
-void table_add(struct table *, const char *, const char *);
-int table_domain_match(const char *, const char *);
-int table_netaddr_match(const char *, const char *);
-int table_mailaddr_match(const char *, const char *);
-int table_regex_match(const char *, const char *);
-void table_open_all(struct smtpd *);
-void table_dump_all(struct smtpd *);
-void table_close_all(struct smtpd *);
-
-
-/* to.c */
-int email_to_mailaddr(struct mailaddr *, char *);
-int text_to_netaddr(struct netaddr *, const char *);
-int text_to_mailaddr(struct mailaddr *, const char *);
-int text_to_relayhost(struct relayhost *, const char *);
-int text_to_userinfo(struct userinfo *, const char *);
-int text_to_credentials(struct credentials *, const char *);
-int text_to_expandnode(struct expandnode *, const char *);
-uint64_t text_to_evpid(const char *);
-uint32_t text_to_msgid(const char *);
-const char *sa_to_text(const struct sockaddr *);
-const char *ss_to_text(const struct sockaddr_storage *);
-const char *time_to_text(time_t);
-const char *duration_to_text(time_t);
-const char *rule_to_text(struct rule *);
-const char *sockaddr_to_text(struct sockaddr *);
-const char *mailaddr_to_text(const struct mailaddr *);
-const char *expandnode_to_text(struct expandnode *);
-
-
-/* util.c */
-typedef struct arglist arglist;
-struct arglist {
- char **list;
- uint num;
- uint nalloc;
-};
-void addargs(arglist *, char *, ...)
- __attribute__((format(printf, 2, 3)));
-int bsnprintf(char *, size_t, const char *, ...)
- __attribute__((format (printf, 3, 4)));
-int safe_fclose(FILE *);
-int hostname_match(const char *, const char *);
-int mailaddr_match(const struct mailaddr *, const struct mailaddr *);
-int valid_localpart(const char *);
-int valid_domainpart(const char *);
-int valid_domainname(const char *);
-int valid_smtp_response(const char *);
-int secure_file(int, char *, char *, uid_t, int);
-int lowercase(char *, const char *, size_t);
-void xlowercase(char *, const char *, size_t);
-int uppercase(char *, const char *, size_t);
-uint64_t generate_uid(void);
-int availdesc(void);
-int ckdir(const char *, mode_t, uid_t, gid_t, int);
-int rmtree(char *, int);
-int mvpurge(char *, char *);
-int mktmpfile(void);
-const char *parse_smtp_response(char *, size_t, char **, int *);
-int xasprintf(char **, const char *, ...)
- __attribute__((__format__ (printf, 2, 3)));
-void *xmalloc(size_t);
-void *xcalloc(size_t, size_t);
-char *xstrdup(const char *);
-void *xmemdup(const void *, size_t);
-char *strip(char *);
-int io_xprint(struct io *, const char *);
-int io_xprintf(struct io *, const char *, ...)
- __attribute__((__format__ (printf, 2, 3)));
-void log_envelope(const struct envelope *, const char *, const char *,
- const char *);
-int session_socket_error(int);
-int getmailname(char *, size_t);
-int base64_encode(unsigned char const *, size_t, char *, size_t);
-int base64_decode(char const *, unsigned char *, size_t);
-int base64_encode_rfc3548(unsigned char const *, size_t,
- char *, size_t);
-void xclosefrom(int);
-
-void log_trace_verbose(int);
-void log_trace(int, const char *, ...)
- __attribute__((format (printf, 2, 3)));
-
-/* waitq.c */
-int waitq_wait(void *, void (*)(void *, void *, void *), void *);
-void waitq_run(void *, void *);
-
-
-/* runq.c */
-struct runq;
-
-int runq_init(struct runq **, void (*)(struct runq *, void *));
-int runq_schedule(struct runq *, time_t, void *);
-int runq_schedule_at(struct runq *, time_t, void *);
-int runq_cancel(struct runq *, void *);
-int runq_pending(struct runq *, void *, time_t *);
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