#define PENDING_DEFER (PENDING + DEFER)
#define PENDING_OK (PENDING + OK)
+#define DELIVER_BUFFER_SIZE 4096
+
/* Options specific to the smtp transport. This transport also supports LMTP
over TCP/IP. The options must be in alphabetic order (note that "_" comes
case DNS_AGAIN:
return DEFER; /* just defer this TLS'd conn */
- case DNS_NOMATCH:
+ case DNS_NODATA: /* no TLSA RR for this lookup */
+ case DNS_NOMATCH: /* no records at all for this lookup */
return dane_required ? FAIL : FAIL_FORCED;
default:
tctx->pending_MAIL, 0,
tctx->inblock,
ob->command_timeout,
- buffer, 4096))
-/*XXX buffer size! */
+ buffer, DELIVER_BUFFER_SIZE))
{
case 1: /* 2xx (only) => OK */
case 3: tctx->good_RCPT = TRUE; /* 2xx & 5xx => OK & progress made */
if (flags & tc_reap_one || tctx->pending_BDAT)
{
-/*XXX buffer size! */
- if (!smtp_read_response(tctx->inblock, buffer, 4096, '2',
+ if (!smtp_read_response(tctx->inblock, buffer, DELIVER_BUFFER_SIZE, '2',
ob->command_timeout))
{
if (errno == 0 && buffer[0] == '4')
BOOL esmtp = TRUE;
BOOL pending_MAIL;
BOOL pass_message = FALSE;
-uschar peer_offered = 0; /*XXX should this be handed on cf. tls_offered, smtp_use_dsn ? */
+uschar peer_offered = 0;
#ifndef DISABLE_PRDR
BOOL prdr_active;
#endif
uschar *message = NULL;
uschar new_message_id[MESSAGE_ID_LENGTH + 1];
uschar *p;
-uschar buffer[4096];
+uschar buffer[DELIVER_BUFFER_SIZE];
uschar inbuffer[4096];
uschar outbuffer[4096];
#ifdef SUPPORT_TLS
if (smtps)
{
- tls_offered = TRUE;
+ smtp_peer_options |= PEER_OFFERED_TLS;
suppress_tls = FALSE;
ob->tls_tempfail_tryclear = FALSE;
smtp_command = US"SSL-on-connect";
if (!good_response) goto RESPONSE_FAILED;
}
+ peer_offered = smtp_peer_options = 0;
+
if (esmtp || lmtp)
+ {
peer_offered = ehlo_response(buffer, Ustrlen(buffer),
PEER_OFFERED_TLS /* others checked later */
);
/* Set tls_offered if the response to EHLO specifies support for STARTTLS. */
#ifdef SUPPORT_TLS
- tls_offered = !!(peer_offered & PEER_OFFERED_TLS);
+ smtp_peer_options |= peer_offered & PEER_OFFERED_TLS;
#endif
+ }
}
/* For continuing deliveries down the same channel, the socket is the standard
input, and we don't need to redo EHLO here (but may need to do so for TLS - see
below). Set up the pointer to where subsequent commands will be left, for
-error messages. Note that smtp_use_size and smtp_use_pipelining will have been
+error messages. Note that smtp_peer_options will have been
set from the command line if they were set in the process that passed the
connection on. */
for error analysis. */
#ifdef SUPPORT_TLS
-if ( tls_offered
+if ( smtp_peer_options & PEER_OFFERED_TLS
&& !suppress_tls
&& verify_check_given_host(&ob->hosts_avoid_tls, host) != OK)
{
/* TLS session is set up */
+ smtp_peer_options_wrap = smtp_peer_options;
for (addr = addrlist; addr; addr = addr->next)
if (addr->transport_return == PENDING_DEFER)
{
helo_response = string_copy(buffer);
#endif
if (!good_response) goto RESPONSE_FAILED;
+ smtp_peer_options = 0;
}
/* If the host is required to use a secure channel, ensure that we
{
save_errno = ERRNO_TLSREQUIRED;
message = string_sprintf("a TLS session is required, but %s",
- tls_offered ? "an attempt to start TLS failed"
- : "the server did not offer TLS support");
+ smtp_peer_options & PEER_OFFERED_TLS
+ ? "an attempt to start TLS failed" : "the server did not offer TLS support");
goto TLS_FAILED;
}
#endif /*SUPPORT_TLS*/
)
{
if (esmtp || lmtp)
+ {
peer_offered = ehlo_response(buffer, Ustrlen(buffer),
0 /* no TLS */
| (lmtp && ob->lmtp_ignore_quota ? PEER_OFFERED_IGNQ : 0)
| PEER_OFFERED_PRDR
#ifdef SUPPORT_I18N
| (addrlist->prop.utf8_msg ? PEER_OFFERED_UTF8 : 0)
- /*XXX if we hand peercaps on to continued-conn processes,
+ /*XXX if we hand peercaps on to continued-conn processes,
must not depend on this addr */
#endif
| PEER_OFFERED_DSN
| (ob->size_addition >= 0 ? PEER_OFFERED_SIZE : 0)
);
- /* Set for IGNOREQUOTA if the response to LHLO specifies support and the
- lmtp_ignore_quota option was set. */
+ /* Set for IGNOREQUOTA if the response to LHLO specifies support and the
+ lmtp_ignore_quota option was set. */
- igquotstr = peer_offered & PEER_OFFERED_IGNQ ? US" IGNOREQUOTA" : US"";
+ igquotstr = peer_offered & PEER_OFFERED_IGNQ ? US" IGNOREQUOTA" : US"";
- /* If the response to EHLO specified support for the SIZE parameter, note
- this, provided size_addition is non-negative. */
+ /* If the response to EHLO specified support for the SIZE parameter, note
+ this, provided size_addition is non-negative. */
- smtp_use_size = !!(peer_offered & PEER_OFFERED_SIZE);
+ smtp_peer_options |= peer_offered & PEER_OFFERED_SIZE;
- /* Note whether the server supports PIPELINING. If hosts_avoid_esmtp matched
- the current host, esmtp will be false, so PIPELINING can never be used. If
- the current host matches hosts_avoid_pipelining, don't do it. */
+ /* Note whether the server supports PIPELINING. If hosts_avoid_esmtp matched
+ the current host, esmtp will be false, so PIPELINING can never be used. If
+ the current host matches hosts_avoid_pipelining, don't do it. */
- smtp_use_pipelining = peer_offered & PEER_OFFERED_PIPE
- && verify_check_given_host(&ob->hosts_avoid_pipelining, host) != OK;
+ if ( peer_offered & PEER_OFFERED_PIPE
+ && verify_check_given_host(&ob->hosts_avoid_pipelining, host) != OK)
+ smtp_peer_options |= PEER_OFFERED_PIPE;
- DEBUG(D_transport) debug_printf("%susing PIPELINING\n",
- smtp_use_pipelining ? "" : "not ");
+ DEBUG(D_transport) debug_printf("%susing PIPELINING\n",
+ smtp_peer_options & PEER_OFFERED_PIPE ? "" : "not ");
- if ( peer_offered & PEER_OFFERED_CHUNKING
- && verify_check_given_host(&ob->hosts_try_chunking, host) != OK)
- peer_offered &= ~PEER_OFFERED_CHUNKING;
+ if ( peer_offered & PEER_OFFERED_CHUNKING
+ && verify_check_given_host(&ob->hosts_try_chunking, host) != OK)
+ peer_offered &= ~PEER_OFFERED_CHUNKING;
- if (peer_offered & PEER_OFFERED_CHUNKING)
- {DEBUG(D_transport) debug_printf("CHUNKING usable\n");}
+ if (peer_offered & PEER_OFFERED_CHUNKING)
+ {DEBUG(D_transport) debug_printf("CHUNKING usable\n");}
#ifndef DISABLE_PRDR
- if ( peer_offered & PEER_OFFERED_PRDR
- && verify_check_given_host(&ob->hosts_try_prdr, host) != OK)
- peer_offered &= ~PEER_OFFERED_PRDR;
+ if ( peer_offered & PEER_OFFERED_PRDR
+ && verify_check_given_host(&ob->hosts_try_prdr, host) != OK)
+ peer_offered &= ~PEER_OFFERED_PRDR;
- if (peer_offered & PEER_OFFERED_PRDR)
- {DEBUG(D_transport) debug_printf("PRDR usable\n");}
+ if (peer_offered & PEER_OFFERED_PRDR)
+ {DEBUG(D_transport) debug_printf("PRDR usable\n");}
#endif
- /* Note if the server supports DSN */
- smtp_use_dsn = !!(peer_offered & PEER_OFFERED_DSN);
- DEBUG(D_transport) debug_printf("%susing DSN\n", smtp_use_dsn ? "" : "not ");
+ /* Note if the server supports DSN */
+ smtp_peer_options |= peer_offered & PEER_OFFERED_DSN;
+ DEBUG(D_transport) debug_printf("%susing DSN\n",
+ peer_offered & PEER_OFFERED_DSN ? "" : "not ");
- /* Note if the response to EHLO specifies support for the AUTH extension.
- If it has, check that this host is one we want to authenticate to, and do
- the business. The host name and address must be available when the
- authenticator's client driver is running. */
+ /* Note if the response to EHLO specifies support for the AUTH extension.
+ If it has, check that this host is one we want to authenticate to, and do
+ the business. The host name and address must be available when the
+ authenticator's client driver is running. */
- switch (yield = smtp_auth(buffer, sizeof(buffer), addrlist, host,
- ob, esmtp, &inblock, &outblock))
- {
- default: goto SEND_QUIT;
- case OK: break;
- case FAIL_SEND: goto SEND_FAILED;
- case FAIL: goto RESPONSE_FAILED;
+ switch (yield = smtp_auth(buffer, sizeof(buffer), addrlist, host,
+ ob, esmtp, &inblock, &outblock))
+ {
+ default: goto SEND_QUIT;
+ case OK: break;
+ case FAIL_SEND: goto SEND_FAILED;
+ case FAIL: goto RESPONSE_FAILED;
+ }
}
}
-pipelining_active = smtp_use_pipelining;
+pipelining_active = !!(smtp_peer_options & PEER_OFFERED_PIPE);
/* The setting up of the SMTP call is now complete. Any subsequent errors are
message-specific. */
yield = ERROR;
goto SEND_QUIT;
}
+
+ if ( transport_filter_argv
+ && *transport_filter_argv
+ && **transport_filter_argv
+ && peer_offered & PEER_OFFERED_CHUNKING
+ )
+ {
+ peer_offered &= ~PEER_OFFERED_CHUNKING;
+ DEBUG(D_transport) debug_printf("CHUNKING not usable due to transport filter\n");
+ }
}
p = buffer;
*p = 0;
-if (smtp_use_size)
+if (peer_offered & PEER_OFFERED_SIZE)
{
sprintf(CS p, " SIZE=%d", message_size+message_linecount+ob->size_addition);
while (*p) p++;
/* Add any DSN flags to the mail command */
-if (smtp_use_dsn && !dsn_all_lasthop)
+if (peer_offered & PEER_OFFERED_DSN && !dsn_all_lasthop)
{
if (dsn_ret == dsn_ret_hdrs)
{ Ustrcpy(p, " RET=HDRS"); p += 9; }
}
#endif
- rc = smtp_write_command(&outblock, smtp_use_pipelining,
+ rc = smtp_write_command(&outblock, pipelining_active,
"MAIL FROM:<%s>%s\r\n", s, buffer);
}
BOOL no_flush;
uschar * rcpt_addr;
- addr->dsn_aware = smtp_use_dsn ? dsn_support_yes : dsn_support_no;
+ addr->dsn_aware = peer_offered & PEER_OFFERED_DSN
+ ? dsn_support_yes : dsn_support_no;
if (addr->transport_return != PENDING_DEFER) continue;
address_count++;
- no_flush = smtp_use_pipelining && (!mua_wrapper || addr->next);
+ no_flush = pipelining_active && (!mua_wrapper || addr->next);
/* Add any DSN flags to the rcpt command and add to the sent string */
p = buffer;
*p = 0;
- if (smtp_use_dsn && !(addr->dsn_flags & rf_dsnlasthop))
+ if (peer_offered & PEER_OFFERED_DSN && !(addr->dsn_flags & rf_dsnlasthop))
{
- if ((addr->dsn_flags & rf_dsnflags) != 0)
+ if (addr->dsn_flags & rf_dsnflags)
{
int i;
BOOL first = TRUE;
to send is. */
if ( !(peer_offered & PEER_OFFERED_CHUNKING)
- && (ok || (smtp_use_pipelining && !mua_wrapper)))
+ && (ok || (pipelining_active && !mua_wrapper)))
{
int count = smtp_write_command(&outblock, FALSE, "DATA\r\n");
| (tblock->headers_only ? topt_no_body : 0)
| (tblock->return_path_add ? topt_add_return_path : 0)
| (tblock->delivery_date_add ? topt_add_delivery_date : 0)
- | (tblock->envelope_to_add ? topt_add_envelope_to : 0),
+ | (tblock->envelope_to_add ? topt_add_envelope_to : 0)
};
/* If using CHUNKING we need a callback from the generic transport
#ifndef DISABLE_PRDR
if (prdr_active) addr->flags |= af_prdr_used;
#endif
+ if (peer_offered & PEER_OFFERED_CHUNKING) addr->flags |= af_chunking_used;
flag = '-';
#ifndef DISABLE_PRDR
if (tls_out.active >= 0)
{
tls_close(FALSE, TRUE);
+ smtp_peer_options = smtp_peer_options_wrap;
if (smtps)
ok = FALSE;
else
projects / exim.git / blobdiff