int main(int argc, char **argv)
{
INET_PROTO_INFO *proto_info;
INET_ADDR_LIST *list;
if (argc != 3)
msg_fatal("usage: %s protocols interface_list (e.g. \"all all\")",
argv[0]);
msg_verbose = 10;
proto_info = inet_proto_init(argv[0], argv[1]);
var_inet_interfaces = argv[2];
list = own_inet_addr_list();
inet_addr_list_print(list);
return (0);
}
static DNS_RR *smtp_find_self(DNS_RR *addr_list)
{
const char *myname = "smtp_find_self";
INET_ADDR_LIST *self;
INET_ADDR_LIST *proxy;
DNS_RR *addr;
int i;
self = own_inet_addr_list();
proxy = proxy_inet_addr_list();
for (addr = addr_list; addr; addr = addr->next) {
/*
* Find out if this mail system is listening on this address.
*/
for (i = 0; i < self->used; i++)
if (DNS_RR_EQ_SA(addr, (struct sockaddr *) (self->addrs + i))) {
if (msg_verbose)
msg_info("%s: found self at pref %d", myname, addr->pref);
return (addr);
}
/*
* Find out if this mail system has a proxy listening on this
* address.
*/
for (i = 0; i < proxy->used; i++)
if (DNS_RR_EQ_SA(addr, (struct sockaddr *) (proxy->addrs + i))) {
if (msg_verbose)
msg_info("%s: found proxy at pref %d", myname, addr->pref);
return (addr);
}
}
/*
* Didn't find myself, or my proxy.
*/
if (msg_verbose)
msg_info("%s: not found", myname);
return (0);
}
static SMTP_SESSION *smtp_connect_addr(SMTP_ITERATOR *iter, DSN_BUF *why,
int sess_flags)
{
const char *myname = "smtp_connect_addr";
struct sockaddr_storage ss; /* remote */
struct sockaddr *sa = (struct sockaddr *) &ss;
SOCKADDR_SIZE salen = sizeof(ss);
MAI_HOSTADDR_STR hostaddr;
DNS_RR *addr = iter->rr;
unsigned port = iter->port;
int sock;
char *bind_addr;
char *bind_var;
dsb_reset(why); /* Paranoia */
/*
* Sanity checks.
*/
if (dns_rr_to_sa(addr, port, sa, &salen) != 0) {
msg_warn("%s: skip address type %s: %m",
myname, dns_strtype(addr->type));
dsb_simple(why, "4.4.0", "network address conversion failed: %m");
return (0);
}
/*
* Initialize.
*/
if ((sock = socket(sa->sa_family, SOCK_STREAM, 0)) < 0)
msg_fatal("%s: socket: %m", myname);
if (inet_windowsize > 0)
set_inet_windowsize(sock, inet_windowsize);
/*
* Allow the sysadmin to specify the source address, for example, as "-o
* smtp_bind_address=x.x.x.x" in the master.cf file.
*/
#ifdef HAS_IPV6
if (sa->sa_family == AF_INET6) {
bind_addr = var_smtp_bind_addr6;
bind_var = VAR_LMTP_SMTP(BIND_ADDR6);
} else
#endif
if (sa->sa_family == AF_INET) {
bind_addr = var_smtp_bind_addr;
bind_var = VAR_LMTP_SMTP(BIND_ADDR);
} else
bind_var = bind_addr = "";
if (*bind_addr) {
int aierr;
struct addrinfo *res0;
if ((aierr = hostaddr_to_sockaddr(bind_addr, (char *) 0, 0, &res0)) != 0)
msg_fatal("%s: bad %s parameter: %s: %s",
myname, bind_var, bind_addr, MAI_STRERROR(aierr));
if (bind(sock, res0->ai_addr, res0->ai_addrlen) < 0)
msg_warn("%s: bind %s: %m", myname, bind_addr);
else if (msg_verbose)
msg_info("%s: bind %s", myname, bind_addr);
freeaddrinfo(res0);
}
/*
* When running as a virtual host, bind to the virtual interface so that
* the mail appears to come from the "right" machine address.
*
* XXX The IPv6 patch expands the null host (as client endpoint) and uses
* the result as the loopback address list.
*/
else {
int count = 0;
struct sockaddr *own_addr = 0;
INET_ADDR_LIST *addr_list = own_inet_addr_list();
struct sockaddr_storage *s;
for (s = addr_list->addrs; s < addr_list->addrs + addr_list->used; s++) {
if (SOCK_ADDR_FAMILY(s) == sa->sa_family) {
if (count++ > 0)
break;
own_addr = SOCK_ADDR_PTR(s);
}
}
if (count == 1 && !sock_addr_in_loopback(own_addr)) {
if (bind(sock, own_addr, SOCK_ADDR_LEN(own_addr)) < 0) {
SOCKADDR_TO_HOSTADDR(own_addr, SOCK_ADDR_LEN(own_addr),
&hostaddr, (MAI_SERVPORT_STR *) 0, 0);
msg_warn("%s: bind %s: %m", myname, hostaddr.buf);
} else if (msg_verbose) {
SOCKADDR_TO_HOSTADDR(own_addr, SOCK_ADDR_LEN(own_addr),
&hostaddr, (MAI_SERVPORT_STR *) 0, 0);
msg_info("%s: bind %s", myname, hostaddr.buf);
}
}
}
/*
* Connect to the server.
*/
if (msg_verbose)
msg_info("%s: trying: %s[%s] port %d...",
myname, STR(iter->host), STR(iter->addr), ntohs(port));
return (smtp_connect_sock(sock, sa, salen, iter, why, sess_flags));
}
const char *mynetworks(void)
{
static VSTRING *result;
if (result == 0) {
char *myname = "mynetworks";
INET_ADDR_LIST *my_addr_list;
INET_ADDR_LIST *my_mask_list;
unsigned long addr;
unsigned long mask;
struct in_addr net;
int shift;
int junk;
int i;
int mask_style;
mask_style = name_mask("mynetworks mask style", mask_styles,
var_mynetworks_style);
/*
* XXX Workaround: name_mask() needs a flags argument so that we can
* require exactly one value, or we need to provide an API that is
* dedicated for single-valued flags.
*/
for (i = 0, junk = mask_style; junk != 0; junk >>= 1)
i += (junk & 1);
if (i != 1)
msg_fatal("bad %s value: %s; specify exactly one value",
VAR_MYNETWORKS_STYLE, var_mynetworks_style);
result = vstring_alloc(20);
my_addr_list = own_inet_addr_list();
my_mask_list = own_inet_mask_list();
for (i = 0; i < my_addr_list->used; i++) {
addr = ntohl(my_addr_list->addrs[i].s_addr);
mask = ntohl(my_mask_list->addrs[i].s_addr);
switch (mask_style) {
/*
* Natural mask. This is dangerous if you're customer of an
* ISP who gave you a small portion of their network.
*/
case MASK_STYLE_CLASS:
if (IN_CLASSA(addr)) {
mask = IN_CLASSA_NET;
shift = IN_CLASSA_NSHIFT;
} else if (IN_CLASSB(addr)) {
mask = IN_CLASSB_NET;
shift = IN_CLASSB_NSHIFT;
} else if (IN_CLASSC(addr)) {
mask = IN_CLASSC_NET;
shift = IN_CLASSC_NSHIFT;
} else if (IN_CLASSD(addr)) {
mask = IN_CLASSD_NET;
shift = IN_CLASSD_NSHIFT;
} else {
msg_fatal("%s: bad address class: %s",
myname, inet_ntoa(my_addr_list->addrs[i]));
}
break;
/*
* Subnet mask. This is safe, but breaks backwards
* compatibility when used as default setting.
*/
case MASK_STYLE_SUBNET:
for (junk = mask, shift = BITS_PER_ADDR; junk != 0; shift--, (junk <<= 1))
/* void */ ;
break;
/*
* Host only. Do not relay authorize other hosts.
*/
case MASK_STYLE_HOST:
mask = ~0;
shift = 0;
break;
default:
msg_panic("unknown mynetworks mask style: %s",
var_mynetworks_style);
}
net.s_addr = htonl(addr & mask);
vstring_sprintf_append(result, "%s/%d ",
inet_ntoa(net), BITS_PER_ADDR - shift);
}
if (msg_verbose)
msg_info("%s: %s", myname, vstring_str(result));
}
void mail_params_init()
{
static const CONFIG_STR_TABLE first_str_defaults[] = {
VAR_SYSLOG_FACILITY, DEF_SYSLOG_FACILITY, &var_syslog_facility, 1, 0,
VAR_INET_PROTOCOLS, DEF_INET_PROTOCOLS, &var_inet_protocols, 0, 0,
VAR_MULTI_CONF_DIRS, DEF_MULTI_CONF_DIRS, &var_multi_conf_dirs, 0, 0,
/* multi_instance_wrapper may have dependencies but not dependents. */
VAR_MULTI_GROUP, DEF_MULTI_GROUP, &var_multi_group, 0, 0,
VAR_MULTI_NAME, DEF_MULTI_NAME, &var_multi_name, 0, 0,
0,
};
static const CONFIG_BOOL_TABLE first_bool_defaults[] = {
/* read and process the following before opening tables. */
VAR_DAEMON_OPEN_FATAL, DEF_DAEMON_OPEN_FATAL, &var_daemon_open_fatal,
0,
};
static const CONFIG_STR_FN_TABLE function_str_defaults[] = {
VAR_MYHOSTNAME, check_myhostname, &var_myhostname, 1, 0,
VAR_MYDOMAIN, check_mydomainname, &var_mydomain, 1, 0,
0,
};
static const CONFIG_STR_TABLE other_str_defaults[] = {
VAR_MAIL_NAME, DEF_MAIL_NAME, &var_mail_name, 1, 0,
VAR_SYSLOG_NAME, DEF_SYSLOG_NAME, &var_syslog_name, 1, 0,
VAR_MAIL_OWNER, DEF_MAIL_OWNER, &var_mail_owner, 1, 0,
VAR_SGID_GROUP, DEF_SGID_GROUP, &var_sgid_group, 1, 0,
VAR_MYDEST, DEF_MYDEST, &var_mydest, 0, 0,
VAR_MYORIGIN, DEF_MYORIGIN, &var_myorigin, 1, 0,
VAR_RELAYHOST, DEF_RELAYHOST, &var_relayhost, 0, 0,
VAR_DAEMON_DIR, DEF_DAEMON_DIR, &var_daemon_dir, 1, 0,
VAR_DATA_DIR, DEF_DATA_DIR, &var_data_dir, 1, 0,
VAR_COMMAND_DIR, DEF_COMMAND_DIR, &var_command_dir, 1, 0,
VAR_QUEUE_DIR, DEF_QUEUE_DIR, &var_queue_dir, 1, 0,
VAR_PID_DIR, DEF_PID_DIR, &var_pid_dir, 1, 0,
VAR_INET_INTERFACES, DEF_INET_INTERFACES, &var_inet_interfaces, 0, 0,
VAR_PROXY_INTERFACES, DEF_PROXY_INTERFACES, &var_proxy_interfaces, 0, 0,
VAR_DOUBLE_BOUNCE, DEF_DOUBLE_BOUNCE, &var_double_bounce_sender, 1, 0,
VAR_DEFAULT_PRIVS, DEF_DEFAULT_PRIVS, &var_default_privs, 1, 0,
VAR_ALIAS_DB_MAP, DEF_ALIAS_DB_MAP, &var_alias_db_map, 0, 0,
VAR_MAIL_RELEASE, DEF_MAIL_RELEASE, &var_mail_release, 1, 0,
VAR_MAIL_VERSION, DEF_MAIL_VERSION, &var_mail_version, 1, 0,
VAR_DB_TYPE, DEF_DB_TYPE, &var_db_type, 1, 0,
VAR_HASH_QUEUE_NAMES, DEF_HASH_QUEUE_NAMES, &var_hash_queue_names, 1, 0,
VAR_RCPT_DELIM, DEF_RCPT_DELIM, &var_rcpt_delim, 0, 0,
VAR_RELAY_DOMAINS, DEF_RELAY_DOMAINS, &var_relay_domains, 0, 0,
VAR_FFLUSH_DOMAINS, DEF_FFLUSH_DOMAINS, &var_fflush_domains, 0, 0,
VAR_EXPORT_ENVIRON, DEF_EXPORT_ENVIRON, &var_export_environ, 0, 0,
VAR_IMPORT_ENVIRON, DEF_IMPORT_ENVIRON, &var_import_environ, 0, 0,
VAR_MYNETWORKS_STYLE, DEF_MYNETWORKS_STYLE, &var_mynetworks_style, 1, 0,
VAR_DEBUG_PEER_LIST, DEF_DEBUG_PEER_LIST, &var_debug_peer_list, 0, 0,
VAR_VERP_DELIMS, DEF_VERP_DELIMS, &var_verp_delims, 2, 2,
VAR_VERP_FILTER, DEF_VERP_FILTER, &var_verp_filter, 1, 0,
VAR_PAR_DOM_MATCH, DEF_PAR_DOM_MATCH, &var_par_dom_match, 0, 0,
VAR_CONFIG_DIRS, DEF_CONFIG_DIRS, &var_config_dirs, 0, 0,
VAR_BOUNCE_SERVICE, DEF_BOUNCE_SERVICE, &var_bounce_service, 1, 0,
VAR_CLEANUP_SERVICE, DEF_CLEANUP_SERVICE, &var_cleanup_service, 1, 0,
VAR_DEFER_SERVICE, DEF_DEFER_SERVICE, &var_defer_service, 1, 0,
VAR_PICKUP_SERVICE, DEF_PICKUP_SERVICE, &var_pickup_service, 1, 0,
VAR_QUEUE_SERVICE, DEF_QUEUE_SERVICE, &var_queue_service, 1, 0,
VAR_REWRITE_SERVICE, DEF_REWRITE_SERVICE, &var_rewrite_service, 1, 0,
VAR_SHOWQ_SERVICE, DEF_SHOWQ_SERVICE, &var_showq_service, 1, 0,
VAR_ERROR_SERVICE, DEF_ERROR_SERVICE, &var_error_service, 1, 0,
VAR_FLUSH_SERVICE, DEF_FLUSH_SERVICE, &var_flush_service, 1, 0,
VAR_VERIFY_SERVICE, DEF_VERIFY_SERVICE, &var_verify_service, 1, 0,
VAR_TRACE_SERVICE, DEF_TRACE_SERVICE, &var_trace_service, 1, 0,
VAR_PROXYMAP_SERVICE, DEF_PROXYMAP_SERVICE, &var_proxymap_service, 1, 0,
VAR_PROXYWRITE_SERVICE, DEF_PROXYWRITE_SERVICE, &var_proxywrite_service, 1, 0,
VAR_INT_FILT_CLASSES, DEF_INT_FILT_CLASSES, &var_int_filt_classes, 0, 0,
/* multi_instance_wrapper may have dependencies but not dependents. */
VAR_MULTI_WRAPPER, DEF_MULTI_WRAPPER, &var_multi_wrapper, 0, 0,
0,
};
static const CONFIG_STR_FN_TABLE function_str_defaults_2[] = {
VAR_MYNETWORKS, mynetworks, &var_mynetworks, 0, 0,
0,
};
static const CONFIG_INT_TABLE other_int_defaults[] = {
VAR_PROC_LIMIT, DEF_PROC_LIMIT, &var_proc_limit, 1, 0,
VAR_MAX_USE, DEF_MAX_USE, &var_use_limit, 1, 0,
VAR_DONT_REMOVE, DEF_DONT_REMOVE, &var_dont_remove, 0, 0,
VAR_LINE_LIMIT, DEF_LINE_LIMIT, &var_line_limit, 512, 0,
VAR_HASH_QUEUE_DEPTH, DEF_HASH_QUEUE_DEPTH, &var_hash_queue_depth, 1, 0,
VAR_FORK_TRIES, DEF_FORK_TRIES, &var_fork_tries, 1, 0,
VAR_FLOCK_TRIES, DEF_FLOCK_TRIES, &var_flock_tries, 1, 0,
VAR_DEBUG_PEER_LEVEL, DEF_DEBUG_PEER_LEVEL, &var_debug_peer_level, 1, 0,
VAR_FAULT_INJ_CODE, DEF_FAULT_INJ_CODE, &var_fault_inj_code, 0, 0,
VAR_DB_CREATE_BUF, DEF_DB_CREATE_BUF, &var_db_create_buf, 1, 0,
VAR_DB_READ_BUF, DEF_DB_READ_BUF, &var_db_read_buf, 1, 0,
VAR_HEADER_LIMIT, DEF_HEADER_LIMIT, &var_header_limit, 1, 0,
VAR_TOKEN_LIMIT, DEF_TOKEN_LIMIT, &var_token_limit, 1, 0,
VAR_MIME_MAXDEPTH, DEF_MIME_MAXDEPTH, &var_mime_maxdepth, 1, 0,
VAR_MIME_BOUND_LEN, DEF_MIME_BOUND_LEN, &var_mime_bound_len, 1, 0,
VAR_DELAY_MAX_RES, DEF_DELAY_MAX_RES, &var_delay_max_res, MIN_DELAY_MAX_RES, MAX_DELAY_MAX_RES,
VAR_INET_WINDOW, DEF_INET_WINDOW, &var_inet_windowsize, 0, 0,
0,
};
static const CONFIG_LONG_TABLE long_defaults[] = {
VAR_MESSAGE_LIMIT, DEF_MESSAGE_LIMIT, &var_message_limit, 0, 0,
VAR_LMDB_MAP_SIZE, DEF_LMDB_MAP_SIZE, &var_lmdb_map_size, 1, 0,
0,
};
static const CONFIG_TIME_TABLE time_defaults[] = {
VAR_EVENT_DRAIN, DEF_EVENT_DRAIN, &var_event_drain, 1, 0,
VAR_MAX_IDLE, DEF_MAX_IDLE, &var_idle_limit, 1, 0,
VAR_IPC_TIMEOUT, DEF_IPC_TIMEOUT, &var_ipc_timeout, 1, 0,
VAR_IPC_IDLE, DEF_IPC_IDLE, &var_ipc_idle_limit, 1, 0,
VAR_IPC_TTL, DEF_IPC_TTL, &var_ipc_ttl_limit, 1, 0,
VAR_TRIGGER_TIMEOUT, DEF_TRIGGER_TIMEOUT, &var_trigger_timeout, 1, 0,
VAR_FORK_DELAY, DEF_FORK_DELAY, &var_fork_delay, 1, 0,
VAR_FLOCK_DELAY, DEF_FLOCK_DELAY, &var_flock_delay, 1, 0,
VAR_FLOCK_STALE, DEF_FLOCK_STALE, &var_flock_stale, 1, 0,
VAR_DAEMON_TIMEOUT, DEF_DAEMON_TIMEOUT, &var_daemon_timeout, 1, 0,
VAR_IN_FLOW_DELAY, DEF_IN_FLOW_DELAY, &var_in_flow_delay, 0, 10,
0,
};
static const CONFIG_BOOL_TABLE bool_defaults[] = {
VAR_DISABLE_DNS, DEF_DISABLE_DNS, &var_disable_dns,
VAR_SOFT_BOUNCE, DEF_SOFT_BOUNCE, &var_soft_bounce,
VAR_OWNREQ_SPECIAL, DEF_OWNREQ_SPECIAL, &var_ownreq_special,
VAR_STRICT_8BITMIME, DEF_STRICT_8BITMIME, &var_strict_8bitmime,
VAR_STRICT_7BIT_HDRS, DEF_STRICT_7BIT_HDRS, &var_strict_7bit_hdrs,
VAR_STRICT_8BIT_BODY, DEF_STRICT_8BIT_BODY, &var_strict_8bit_body,
VAR_STRICT_ENCODING, DEF_STRICT_ENCODING, &var_strict_encoding,
VAR_DISABLE_MIME_INPUT, DEF_DISABLE_MIME_INPUT, &var_disable_mime_input,
VAR_DISABLE_MIME_OCONV, DEF_DISABLE_MIME_OCONV, &var_disable_mime_oconv,
VAR_VERIFY_NEG_CACHE, DEF_VERIFY_NEG_CACHE, &var_verify_neg_cache,
VAR_OLDLOG_COMPAT, DEF_OLDLOG_COMPAT, &var_oldlog_compat,
VAR_HELPFUL_WARNINGS, DEF_HELPFUL_WARNINGS, &var_helpful_warnings,
VAR_CYRUS_SASL_AUTHZID, DEF_CYRUS_SASL_AUTHZID, &var_cyrus_sasl_authzid,
VAR_MULTI_ENABLE, DEF_MULTI_ENABLE, &var_multi_enable,
VAR_LONG_QUEUE_IDS, DEF_LONG_QUEUE_IDS, &var_long_queue_ids,
0,
};
const char *cp;
INET_PROTO_INFO *proto_info;
/*
* Extract syslog_facility early, so that from here on all errors are
* logged with the proper facility.
*/
get_mail_conf_str_table(first_str_defaults);
if (!msg_syslog_facility(var_syslog_facility))
msg_fatal("file %s/%s: parameter %s: unrecognized value: %s",
var_config_dir, MAIN_CONF_FILE,
VAR_SYSLOG_FACILITY, var_syslog_facility);
/*
* Should daemons terminate after table open error, or should they
* continue execution with reduced functionality?
*/
get_mail_conf_bool_table(first_bool_defaults);
if (var_daemon_open_fatal)
dict_allow_surrogate = 0;
/*
* What protocols should we attempt to support? The result is stored in
* the global inet_proto_table variable.
*/
proto_info = inet_proto_init(VAR_INET_PROTOCOLS, var_inet_protocols);
/*
* Variables whose defaults are determined at runtime. Some sites use
* short hostnames in the host table; some sites name their system after
* the domain.
*/
get_mail_conf_str_fn_table(function_str_defaults);
if (!valid_hostname(var_myhostname, DO_GRIPE))
msg_fatal("file %s/%s: parameter %s: bad parameter value: %s",
var_config_dir, MAIN_CONF_FILE,
VAR_MYHOSTNAME, var_myhostname);
if (!valid_hostname(var_mydomain, DO_GRIPE))
msg_fatal("file %s/%s: parameter %s: bad parameter value: %s",
var_config_dir, MAIN_CONF_FILE,
VAR_MYDOMAIN, var_mydomain);
/*
* Variables that are needed by almost every program.
*
* XXX Reading the myorigin value from file is originally a Debian Linux
* feature. This code is not enabled by default because of problems: 1)
* it re-implements its own parameter syntax checks, and 2) it does not
* implement $name expansions.
*/
get_mail_conf_str_table(other_str_defaults);
#ifdef MYORIGIN_FROM_FILE
if (*var_myorigin == '/') {
char *origin = read_param_from_file(var_myorigin);
if (*origin == 0)
msg_fatal("%s file %s is empty", VAR_MYORIGIN, var_myorigin);
myfree(var_myorigin); /* FIX 20070501 */
var_myorigin = origin;
}
#endif
get_mail_conf_int_table(other_int_defaults);
get_mail_conf_long_table(long_defaults);
get_mail_conf_bool_table(bool_defaults);
get_mail_conf_time_table(time_defaults);
check_default_privs();
check_mail_owner();
check_sgid_group();
check_overlap();
#ifdef HAS_DB
dict_db_cache_size = var_db_read_buf;
#endif
#ifdef HAS_LMDB
dict_lmdb_map_size = var_lmdb_map_size;
#endif
inet_windowsize = var_inet_windowsize;
/*
* Variables whose defaults are determined at runtime, after other
* variables have been set. This dependency is admittedly a bit tricky.
* XXX Perhaps we should just register variables, and let the evaluator
* figure out in what order to evaluate things.
*/
get_mail_conf_str_fn_table(function_str_defaults_2);
/*
* FIX 200412 The IPv6 patch did not call own_inet_addr_list() before
* entering the chroot jail on Linux IPv6 systems. Linux has the IPv6
* interface list in /proc, which is not available after chrooting.
*/
(void) own_inet_addr_list();
/*
* The PID variable cannot be set from the configuration file!!
*/
set_mail_conf_int(VAR_PID, var_pid = getpid());
/*
* Neither can the start time variable. It isn't even visible.
*/
time(&var_starttime);
/*
* Export the syslog name so children can inherit and use it before they
* have initialized.
*/
if ((cp = safe_getenv(CONF_ENV_LOGTAG)) == 0
|| strcmp(cp, var_syslog_name) != 0)
if (setenv(CONF_ENV_LOGTAG, var_syslog_name, 1) < 0)
msg_fatal("setenv %s %s: %m", CONF_ENV_LOGTAG, var_syslog_name);
/*
* I have seen this happen just too often.
*/
if (strcasecmp(var_myhostname, var_relayhost) == 0)
msg_fatal("%s and %s parameter settings must not be identical: %s",
VAR_MYHOSTNAME, VAR_RELAYHOST, var_myhostname);
/*
* XXX These should be caught by a proper parameter parsing algorithm.
*/
if (var_myorigin[strcspn(var_myorigin, ", \t\r\n")])
msg_fatal("%s parameter setting must not contain multiple values: %s",
VAR_MYORIGIN, var_myorigin);
if (var_relayhost[strcspn(var_relayhost, ", \t\r\n")])
msg_fatal("%s parameter setting must not contain multiple values: %s",
VAR_RELAYHOST, var_relayhost);
/*
* One more sanity check.
*/
if ((cp = verp_delims_verify(var_verp_delims)) != 0)
msg_fatal("file %s/%s: parameters %s and %s: %s",
var_config_dir, MAIN_CONF_FILE,
VAR_VERP_DELIMS, VAR_VERP_FILTER, cp);
}
MASTER_SERV *get_master_ent()
{
VSTRING *buf = vstring_alloc(100);
VSTRING *junk = vstring_alloc(100);
MASTER_SERV *serv;
char *cp;
char *name;
char *host = 0;
char *port = 0;
char *transport;
int private;
int unprivileged; /* passed on to child */
int chroot; /* passed on to child */
char *command;
int n;
char *bufp;
char *atmp;
const char *parse_err;
static char *saved_interfaces = 0;
char *err;
if (master_fp == 0)
msg_panic("get_master_ent: config file not open");
if (master_disable == 0)
msg_panic("get_master_ent: no service disable list");
/*
* XXX We cannot change the inet_interfaces setting for a running master
* process. Listening sockets are inherited by child processes so that
* closing and reopening those sockets in the master does not work.
*
* Another problem is that library routines still cache results that are
* based on the old inet_interfaces setting. It is too much trouble to
* recompute everything.
*
* In order to keep our data structures consistent we ignore changes in
* inet_interfaces settings, and issue a warning instead.
*/
if (saved_interfaces == 0)
saved_interfaces = mystrdup(var_inet_interfaces);
/*
* Skip blank lines and comment lines.
*/
for (;;) {
if (readllines(buf, master_fp, &master_line_last, &master_line) == 0) {
vstring_free(buf);
vstring_free(junk);
return (0);
}
bufp = vstring_str(buf);
if ((cp = mystrtok(&bufp, master_blanks)) == 0)
continue;
name = cp;
transport = get_str_ent(&bufp, "transport type", (char *) 0);
vstring_sprintf(junk, "%s/%s", name, transport);
if (match_service_match(master_disable, vstring_str(junk)) == 0)
break;
}
/*
* Parse one logical line from the configuration file. Initialize service
* structure members in order.
*/
serv = (MASTER_SERV *) mymalloc(sizeof(MASTER_SERV));
serv->next = 0;
/*
* Flags member.
*/
serv->flags = 0;
/*
* All servers busy warning timer.
*/
serv->busy_warn_time = 0;
/*
* Service name. Syntax is transport-specific.
*/
serv->ext_name = mystrdup(name);
/*
* Transport type: inet (wild-card listen or virtual) or unix.
*/
#define STR_SAME !strcmp
if (STR_SAME(transport, MASTER_XPORT_NAME_INET)) {
if (!STR_SAME(saved_interfaces, var_inet_interfaces)) {
msg_warn("service %s: ignoring %s change",
serv->ext_name, VAR_INET_INTERFACES);
msg_warn("to change %s, stop and start Postfix",
VAR_INET_INTERFACES);
}
serv->type = MASTER_SERV_TYPE_INET;
atmp = mystrdup(name);
if ((parse_err = host_port(atmp, &host, "", &port, (char *) 0)) != 0)
fatal_with_context("%s in \"%s\"", parse_err, name);
if (*host) {
serv->flags |= MASTER_FLAG_INETHOST;/* host:port */
MASTER_INET_ADDRLIST(serv) = (INET_ADDR_LIST *)
mymalloc(sizeof(*MASTER_INET_ADDRLIST(serv)));
inet_addr_list_init(MASTER_INET_ADDRLIST(serv));
if (inet_addr_host(MASTER_INET_ADDRLIST(serv), host) == 0)
fatal_with_context("bad hostname or network address: %s", name);
inet_addr_list_uniq(MASTER_INET_ADDRLIST(serv));
serv->listen_fd_count = MASTER_INET_ADDRLIST(serv)->used;
} else {
MASTER_INET_ADDRLIST(serv) =
strcasecmp(saved_interfaces, INET_INTERFACES_ALL) ?
own_inet_addr_list() : /* virtual */
wildcard_inet_addr_list(); /* wild-card */
inet_addr_list_uniq(MASTER_INET_ADDRLIST(serv));
serv->listen_fd_count = MASTER_INET_ADDRLIST(serv)->used;
}
MASTER_INET_PORT(serv) = mystrdup(port);
for (n = 0; /* see below */ ; n++) {
if (n >= MASTER_INET_ADDRLIST(serv)->used) {
serv->flags |= MASTER_FLAG_LOCAL_ONLY;
break;
}
if (!sock_addr_in_loopback(SOCK_ADDR_PTR(MASTER_INET_ADDRLIST(serv)->addrs + n)))
break;
}
} else if (STR_SAME(transport, MASTER_XPORT_NAME_UNIX)) {
serv->type = MASTER_SERV_TYPE_UNIX;
serv->listen_fd_count = 1;
serv->flags |= MASTER_FLAG_LOCAL_ONLY;
} else if (STR_SAME(transport, MASTER_XPORT_NAME_UXDG)) {
serv->type = MASTER_SERV_TYPE_UXDG;
serv->listen_fd_count = 1;
serv->flags |= MASTER_FLAG_LOCAL_ONLY;
} else if (STR_SAME(transport, MASTER_XPORT_NAME_FIFO)) {
serv->type = MASTER_SERV_TYPE_FIFO;
serv->listen_fd_count = 1;
serv->flags |= MASTER_FLAG_LOCAL_ONLY;
#ifdef MASTER_SERV_TYPE_PASS
} else if (STR_SAME(transport, MASTER_XPORT_NAME_PASS)) {
serv->type = MASTER_SERV_TYPE_PASS;
serv->listen_fd_count = 1;
/* If this is a connection screener, remote clients are likely. */
#endif
} else {
fatal_with_context("bad transport type: %s", transport);
}
/*
* Service class: public or private.
*/
private = get_bool_ent(&bufp, "private", "y");
