* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* The main code for delivering a message. */
#include "exim.h"
#include "transports/smtp.h"
+#include <sys/uio.h>
#include <assert.h>
+/*************************************************
+* read as much as requested *
+*************************************************/
+
+/* The syscall read(2) doesn't always returns as much as we want. For
+several reasons it might get less. (Not talking about signals, as syscalls
+are restartable). When reading from a network or pipe connection the sender
+might send in smaller chunks, with delays between these chunks. The read(2)
+may return such a chunk.
+
+The more the writer writes and the smaller the pipe between write and read is,
+the more we get the chance of reading leass than requested. (See bug 2130)
+
+This function read(2)s until we got all the data we *requested*.
+
+Note: This function may block. Use it only if you're sure about the
+amount of data you will get.
+
+Argument:
+ fd the file descriptor to read from
+ buffer pointer to a buffer of size len
+ len the requested(!) amount of bytes
+
+Returns: the amount of bytes read
+*/
+static ssize_t
+readn(int fd, void * buffer, size_t len)
+{
+ void * next = buffer;
+ void * end = buffer + len;
+
+ while (next < end)
+ {
+ ssize_t got = read(fd, next, end - next);
+
+ /* I'm not sure if there are signals that can interrupt us,
+ for now I assume the worst */
+ if (got == -1 && errno == EINTR) continue;
+ if (got <= 0) return next - buffer;
+ next += got;
+ }
+
+ return len;
+}
+
+
/*************************************************
* Make a new address item *
*************************************************/
fields on incoming lines only.
Arguments:
- s The log line buffer
- sizep Pointer to the buffer size
- ptrp Pointer to current index into buffer
+ g The log line
addr The address to be logged
Returns: New value for s
*/
-static uschar *
-d_log_interface(uschar *s, int *sizep, int *ptrp)
+static gstring *
+d_log_interface(gstring * g)
{
if (LOGGING(incoming_interface) && LOGGING(outgoing_interface)
&& sending_ip_address)
{
- s = string_append(s, sizep, ptrp, 2, US" I=[", sending_ip_address);
- s = LOGGING(outgoing_port)
- ? string_append(s, sizep, ptrp, 2, US"]:",
- string_sprintf("%d", sending_port))
- : string_catn(s, sizep, ptrp, US"]", 1);
+ g = string_append(g, 2, US" I=[", sending_ip_address);
+ g = LOGGING(outgoing_port)
+ ? string_append(g, 2, US"]:", string_sprintf("%d", sending_port))
+ : string_catn(g, US"]", 1);
}
-return s;
+return g;
}
-static uschar *
-d_hostlog(uschar * s, int * sp, int * pp, address_item * addr)
+static gstring *
+d_hostlog(gstring * g, address_item * addr)
{
host_item * h = addr->host_used;
-s = string_append(s, sp, pp, 2, US" H=", h->name);
+g = string_append(g, 2, US" H=", h->name);
if (LOGGING(dnssec) && h->dnssec == DS_YES)
- s = string_catn(s, sp, pp, US" DS", 3);
+ g = string_catn(g, US" DS", 3);
-s = string_append(s, sp, pp, 3, US" [", h->address, US"]");
+g = string_append(g, 3, US" [", h->address, US"]");
if (LOGGING(outgoing_port))
- s = string_append(s, sp, pp, 2, US":", string_sprintf("%d", h->port));
+ g = string_append(g, 2, US":", string_sprintf("%d", h->port));
#ifdef SUPPORT_SOCKS
if (LOGGING(proxy) && proxy_local_address)
{
- s = string_append(s, sp, pp, 3, US" PRX=[", proxy_local_address, US"]");
+ g = string_append(g, 3, US" PRX=[", proxy_local_address, US"]");
if (LOGGING(outgoing_port))
- s = string_append(s, sp, pp, 2, US":", string_sprintf("%d",
- proxy_local_port));
+ g = string_append(g, 2, US":", string_sprintf("%d", proxy_local_port));
}
#endif
-s = d_log_interface(s, sp, pp);
+g = d_log_interface(g);
if (testflag(addr, af_tcp_fastopen))
- s = string_catn(s, sp, pp, US" TFO", 4);
+ g = string_catn(g, US" TFO", 4);
-return s;
+return g;
}
#ifdef SUPPORT_TLS
-static uschar *
-d_tlslog(uschar * s, int * sizep, int * ptrp, address_item * addr)
+static gstring *
+d_tlslog(gstring * s, address_item * addr)
{
if (LOGGING(tls_cipher) && addr->cipher)
- s = string_append(s, sizep, ptrp, 2, US" X=", addr->cipher);
+ s = string_append(s, 2, US" X=", addr->cipher);
if (LOGGING(tls_certificate_verified) && addr->cipher)
- s = string_append(s, sizep, ptrp, 2, US" CV=",
+ s = string_append(s, 2, US" CV=",
testflag(addr, af_cert_verified)
?
-#ifdef EXPERIMENTAL_DANE
+#ifdef SUPPORT_DANE
testflag(addr, af_dane_verified)
? "dane"
:
"yes"
: "no");
if (LOGGING(tls_peerdn) && addr->peerdn)
- s = string_append(s, sizep, ptrp, 3, US" DN=\"",
- string_printing(addr->peerdn), US"\"");
+ s = string_append(s, 3, US" DN=\"", string_printing(addr->peerdn), US"\"");
return s;
}
#endif
Arguments:
addr the address being logged
yield the current dynamic buffer pointer
- sizeptr points to current size
- ptrptr points to current insert pointer
Returns: the new value of the buffer pointer
*/
-static uschar *
-string_get_localpart(address_item *addr, uschar *yield, int *sizeptr,
- int *ptrptr)
+static gstring *
+string_get_localpart(address_item * addr, gstring * yield)
{
uschar * s;
if (testflag(addr, af_utf8_downcvt))
s = string_localpart_utf8_to_alabel(s, NULL);
#endif
- yield = string_cat(yield, sizeptr, ptrptr, s);
+ yield = string_cat(yield, s);
}
s = addr->local_part;
if (testflag(addr, af_utf8_downcvt))
s = string_localpart_utf8_to_alabel(s, NULL);
#endif
-yield = string_cat(yield, sizeptr, ptrptr, s);
+yield = string_cat(yield, s);
s = addr->suffix;
if (testflag(addr, af_include_affixes) && s)
if (testflag(addr, af_utf8_downcvt))
s = string_localpart_utf8_to_alabel(s, NULL);
#endif
- yield = string_cat(yield, sizeptr, ptrptr, s);
+ yield = string_cat(yield, s);
}
return yield;
case, we include the affixes here too.
Arguments:
- str points to start of growing string, or NULL
- size points to current allocation for string
- ptr points to offset for append point; updated on exit
+ g points to growing-string struct
addr bottom (ultimate) address
all_parents if TRUE, include all parents
success TRUE for successful delivery
Returns: a growable string in dynamic store
*/
-static uschar *
-string_log_address(uschar * str, int * size, int * ptr,
+static gstring *
+string_log_address(gstring * g,
address_item *addr, BOOL all_parents, BOOL success)
{
BOOL add_topaddr = TRUE;
) )
{
if (testflag(addr, af_file) && addr->local_part[0] != '/')
- str = string_catn(str, size, ptr, CUS"save ", 5);
- str = string_get_localpart(addr, str, size, ptr);
+ g = string_catn(g, CUS"save ", 5);
+ g = string_get_localpart(addr, g);
}
/* Other deliveries start with the full address. It we have split it into local
else
{
- uschar * cmp = str + *ptr;
+ uschar * cmp = g->s + g->ptr;
if (addr->local_part)
{
const uschar * s;
- str = string_get_localpart(addr, str, size, ptr);
- str = string_catn(str, size, ptr, US"@", 1);
+ g = string_get_localpart(addr, g);
+ g = string_catn(g, US"@", 1);
s = addr->domain;
#ifdef SUPPORT_I18N
if (testflag(addr, af_utf8_downcvt))
s = string_localpart_utf8_to_alabel(s, NULL);
#endif
- str = string_cat(str, size, ptr, s);
+ g = string_cat(g, s);
}
else
- str = string_cat(str, size, ptr, addr->address);
+ g = string_cat(g, addr->address);
/* If the address we are going to print is the same as the top address,
and all parents are not being included, don't add on the top address. First
of all, do a caseless comparison; if this succeeds, do a caseful comparison
on the local parts. */
- str[*ptr] = 0;
+ string_from_gstring(g); /* ensure nul-terminated */
if ( strcmpic(cmp, topaddr->address) == 0
&& Ustrncmp(cmp, topaddr->address, Ustrchr(cmp, '@') - cmp) == 0
&& !addr->onetime_parent
address_item *addr2;
for (addr2 = addr->parent; addr2 != topaddr; addr2 = addr2->parent)
{
- str = string_catn(str, size, ptr, s, 2);
- str = string_cat (str, size, ptr, addr2->address);
+ g = string_catn(g, s, 2);
+ g = string_cat (g, addr2->address);
if (!all_parents) break;
s = US", ";
}
- str = string_catn(str, size, ptr, US")", 1);
+ g = string_catn(g, US")", 1);
}
/* Add the top address if it is required */
if (add_topaddr)
- str = string_append(str, size, ptr, 3,
+ g = string_append(g, 3,
US" <",
addr->onetime_parent ? addr->onetime_parent : topaddr->address,
US">");
-return str;
+return g;
}
-static uschar *
+uschar *
string_timediff(struct timeval * diff)
{
static uschar buf[sizeof("0.000s")];
void
delivery_log(int flags, address_item * addr, int logchar, uschar * msg)
{
-int size = 256; /* Used for a temporary, */
-int ptr = 0; /* expanding buffer, for */
-uschar * s; /* building log lines; */
+gstring * g; /* Used for a temporary, expanding buffer, for building log lines */
void * reset_point; /* released afterwards. */
/* Log the delivery on the main log. We use an extensible string to build up
lookup_dnssec_authenticated = NULL;
#endif
-s = reset_point = store_get(size);
+g = reset_point = string_get(256);
if (msg)
- s = string_append(s, &size, &ptr, 2, host_and_ident(TRUE), US" ");
+ g = string_append(g, 2, host_and_ident(TRUE), US" ");
else
{
- s[ptr++] = logchar;
- s = string_catn(s, &size, &ptr, US"> ", 2);
+ g->s[0] = logchar; g->ptr = 1;
+ g = string_catn(g, US"> ", 2);
}
-s = string_log_address(s, &size, &ptr, addr, LOGGING(all_parents), TRUE);
+g = string_log_address(g, addr, LOGGING(all_parents), TRUE);
if (LOGGING(sender_on_delivery) || msg)
- s = string_append(s, &size, &ptr, 3, US" F=<",
+ g = string_append(g, 3, US" F=<",
#ifdef SUPPORT_I18N
testflag(addr, af_utf8_downcvt)
? string_address_utf8_to_alabel(sender_address, NULL)
US">");
if (*queue_name)
- s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
+ g = string_append(g, 2, US" Q=", queue_name);
#ifdef EXPERIMENTAL_SRS
if(addr->prop.srs_sender)
- s = string_append(s, &size, &ptr, 3, US" SRS=<", addr->prop.srs_sender, US">");
+ g = string_append(g, 3, US" SRS=<", addr->prop.srs_sender, US">");
#endif
/* You might think that the return path must always be set for a successful
being run at all. */
if (used_return_path && LOGGING(return_path_on_delivery))
- s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
+ g = string_append(g, 3, US" P=<", used_return_path, US">");
if (msg)
- s = string_append(s, &size, &ptr, 2, US" ", msg);
+ g = string_append(g, 2, US" ", msg);
/* For a delivery from a system filter, there may not be a router */
if (addr->router)
- s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
+ g = string_append(g, 2, US" R=", addr->router->name);
-s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
+g = string_append(g, 2, US" T=", addr->transport->name);
if (LOGGING(delivery_size))
- s = string_append(s, &size, &ptr, 2, US" S=",
+ g = string_append(g, 2, US" S=",
string_sprintf("%d", transport_count));
/* Local delivery */
if (addr->transport->info->local)
{
if (addr->host_list)
- s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
- s = d_log_interface(s, &size, &ptr);
+ g = string_append(g, 2, US" H=", addr->host_list->name);
+ g = d_log_interface(g);
if (addr->shadow_message)
- s = string_cat(s, &size, &ptr, addr->shadow_message);
+ g = string_cat(g, addr->shadow_message);
}
/* Remote delivery */
{
if (addr->host_used)
{
- s = d_hostlog(s, &size, &ptr, addr);
+ g = d_hostlog(g, addr);
if (continue_sequence > 1)
- s = string_catn(s, &size, &ptr, US"*", 1);
+ g = string_catn(g, US"*", 1);
#ifndef DISABLE_EVENT
deliver_host_address = addr->host_used->address;
}
#ifdef SUPPORT_TLS
- s = d_tlslog(s, &size, &ptr, addr);
+ g = d_tlslog(g, addr);
#endif
if (addr->authenticator)
{
- s = string_append(s, &size, &ptr, 2, US" A=", addr->authenticator);
+ g = string_append(g, 2, US" A=", addr->authenticator);
if (addr->auth_id)
{
- s = string_append(s, &size, &ptr, 2, US":", addr->auth_id);
+ g = string_append(g, 2, US":", addr->auth_id);
if (LOGGING(smtp_mailauth) && addr->auth_sndr)
- s = string_append(s, &size, &ptr, 2, US":", addr->auth_sndr);
+ g = string_append(g, 2, US":", addr->auth_sndr);
}
}
#ifndef DISABLE_PRDR
if (testflag(addr, af_prdr_used))
- s = string_catn(s, &size, &ptr, US" PRDR", 5);
+ g = string_catn(g, US" PRDR", 5);
#endif
if (testflag(addr, af_chunking_used))
- s = string_catn(s, &size, &ptr, US" K", 2);
+ g = string_catn(g, US" K", 2);
}
/* confirmation message (SMTP (host_used) and LMTP (driver_name)) */
}
*p++ = '\"';
*p = 0;
- s = string_append(s, &size, &ptr, 2, US" C=", big_buffer);
+ g = string_append(g, 2, US" C=", big_buffer);
}
/* Time on queue and actual time taken to deliver */
if (LOGGING(queue_time))
- s = string_append(s, &size, &ptr, 2, US" QT=",
+ g = string_append(g, 2, US" QT=",
string_timesince(&received_time));
if (LOGGING(deliver_time))
{
struct timeval diff = {.tv_sec = addr->more_errno, .tv_usec = addr->delivery_usec};
- s = string_append(s, &size, &ptr, 2, US" DT=", string_timediff(&diff));
+ g = string_append(g, 2, US" DT=", string_timediff(&diff));
}
/* string_cat() always leaves room for the terminator. Release the
store we used to build the line after writing it. */
-s[ptr] = 0;
-log_write(0, flags, "%s", s);
+log_write(0, flags, "%s", string_from_gstring(g));
#ifndef DISABLE_EVENT
if (!msg) msg_event_raise(US"msg:delivery", addr);
deferral_log(address_item * addr, uschar * now,
int logflags, uschar * driver_name, uschar * driver_kind)
{
-int size = 256; /* Used for a temporary, */
-int ptr = 0; /* expanding buffer, for */
-uschar * s; /* building log lines; */
-void * reset_point; /* released afterwards. */
-
-uschar ss[32];
+gstring * g;
+void * reset_point;
/* Build up the line that is used for both the message log and the main
log. */
-s = reset_point = store_get(size);
+g = reset_point = string_get(256);
/* Create the address string for logging. Must not do this earlier, because
an OK result may be changed to FAIL when a pipe returns text. */
-s = string_log_address(s, &size, &ptr, addr, LOGGING(all_parents), FALSE);
+g = string_log_address(g, addr, LOGGING(all_parents), FALSE);
if (*queue_name)
- s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
+ g = string_append(g, 2, US" Q=", queue_name);
/* Either driver_name contains something and driver_kind contains
" router" or " transport" (note the leading space), or driver_name is
if (driver_name)
{
if (driver_kind[1] == 't' && addr->router)
- s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
- Ustrcpy(ss, " ?=");
- ss[1] = toupper(driver_kind[1]);
- s = string_append(s, &size, &ptr, 2, ss, driver_name);
+ g = string_append(g, 2, US" R=", addr->router->name);
+ g = string_cat(g, string_sprintf(" %c=%s", toupper(driver_kind[1]), driver_name));
}
else if (driver_kind)
- s = string_append(s, &size, &ptr, 2, US" ", driver_kind);
+ g = string_append(g, 2, US" ", driver_kind);
/*XXX need an s+s+p sprintf */
-sprintf(CS ss, " defer (%d)", addr->basic_errno);
-s = string_cat(s, &size, &ptr, ss);
+g = string_cat(g, string_sprintf(" defer (%d)", addr->basic_errno));
if (addr->basic_errno > 0)
- s = string_append(s, &size, &ptr, 2, US": ",
+ g = string_append(g, 2, US": ",
US strerror(addr->basic_errno));
if (addr->host_used)
{
- s = string_append(s, &size, &ptr, 5,
+ g = string_append(g, 5,
US" H=", addr->host_used->name,
US" [", addr->host_used->address, US"]");
if (LOGGING(outgoing_port))
{
int port = addr->host_used->port;
- s = string_append(s, &size, &ptr, 2,
+ g = string_append(g, 2,
US":", port == PORT_NONE ? US"25" : string_sprintf("%d", port));
}
}
if (addr->message)
- s = string_append(s, &size, &ptr, 2, US": ", addr->message);
+ g = string_append(g, 2, US": ", addr->message);
-s[ptr] = 0;
+(void) string_from_gstring(g);
/* Log the deferment in the message log, but don't clutter it
up with retry-time defers after the first delivery attempt. */
if (deliver_firsttime || addr->basic_errno > ERRNO_RETRY_BASE)
- deliver_msglog("%s %s\n", now, s);
+ deliver_msglog("%s %s\n", now, g->s);
/* Write the main log and reset the store.
For errors of the type "retry time not reached" (also remotes skipped
log_write(addr->basic_errno <= ERRNO_RETRY_BASE ? L_retry_defer : 0, logflags,
- "== %s", s);
+ "== %s", g->s);
store_reset(reset_point);
return;
static void
failure_log(address_item * addr, uschar * driver_kind, uschar * now)
{
-int size = 256; /* Used for a temporary, */
-int ptr = 0; /* expanding buffer, for */
-uschar * s; /* building log lines; */
-void * reset_point; /* released afterwards. */
+void * reset_point;
+gstring * g = reset_point = string_get(256);
/* Build up the log line for the message and main logs */
-s = reset_point = store_get(size);
-
/* Create the address string for logging. Must not do this earlier, because
an OK result may be changed to FAIL when a pipe returns text. */
-s = string_log_address(s, &size, &ptr, addr, LOGGING(all_parents), FALSE);
+g = string_log_address(g, addr, LOGGING(all_parents), FALSE);
if (LOGGING(sender_on_delivery))
- s = string_append(s, &size, &ptr, 3, US" F=<", sender_address, US">");
+ g = string_append(g, 3, US" F=<", sender_address, US">");
if (*queue_name)
- s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
+ g = string_append(g, 2, US" Q=", queue_name);
/* Return path may not be set if no delivery actually happened */
if (used_return_path && LOGGING(return_path_on_delivery))
- s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
+ g = string_append(g, 3, US" P=<", used_return_path, US">");
if (addr->router)
- s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
+ g = string_append(g, 2, US" R=", addr->router->name);
if (addr->transport)
- s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
+ g = string_append(g, 2, US" T=", addr->transport->name);
if (addr->host_used)
- s = d_hostlog(s, &size, &ptr, addr);
+ g = d_hostlog(g, addr);
#ifdef SUPPORT_TLS
-s = d_tlslog(s, &size, &ptr, addr);
+g = d_tlslog(g, addr);
#endif
if (addr->basic_errno > 0)
- s = string_append(s, &size, &ptr, 2, US": ", US strerror(addr->basic_errno));
+ g = string_append(g, 2, US": ", US strerror(addr->basic_errno));
if (addr->message)
- s = string_append(s, &size, &ptr, 2, US": ", addr->message);
+ g = string_append(g, 2, US": ", addr->message);
-s[ptr] = 0;
+(void) string_from_gstring(g);
/* Do the logging. For the message log, "routing failed" for those cases,
just to make it clearer. */
if (driver_kind)
- deliver_msglog("%s %s failed for %s\n", now, driver_kind, s);
+ deliver_msglog("%s %s failed for %s\n", now, driver_kind, g->s);
else
- deliver_msglog("%s %s\n", now, s);
+ deliver_msglog("%s %s\n", now, g->s);
-log_write(0, LOG_MAIN, "** %s", s);
+log_write(0, LOG_MAIN, "** %s", g->s);
#ifndef DISABLE_EVENT
msg_event_raise(US"msg:fail:delivery", addr);
log_write(0, LOG_MAIN, "<%s>: %s transport output: %s",
addr->address, tb->name, sp);
}
- (void)fclose(f);
+ (void)fclose(f);
}
/* Handle returning options, but only if there is an address to return
tls_out.cipher = addr->cipher;
tls_out.peerdn = addr->peerdn;
tls_out.ocsp = addr->ocsp;
-# ifdef EXPERIMENTAL_DANE
+# ifdef SUPPORT_DANE
tls_out.dane_verified = testflag(addr, af_dane_verified);
# endif
#endif
tls_out.cipher = NULL;
tls_out.peerdn = NULL;
tls_out.ocsp = OCSP_NOT_REQ;
-# ifdef EXPERIMENTAL_DANE
+# ifdef SUPPORT_DANE
tls_out.dane_verified = FALSE;
# endif
#endif
If we get less, we can assume the subprocess do be done and do not expect any further
information from it. */
- got = readn(fd, pipeheader, required);
- if (got != required)
+ if ((got = readn(fd, pipeheader, required)) != required)
{
- msg = string_sprintf("got %d of %d bytes (pipeheader) "
- "from transport process %d for transport %s",
- got, PIPE_HEADER_SIZE, pid, addr->transport->driver_name);
- done = TRUE;
- break;
+ msg = string_sprintf("got " SSIZE_T_FMT " of %d bytes (pipeheader) "
+ "from transport process %d for transport %s",
+ got, PIPE_HEADER_SIZE, pid, addr->transport->driver_name);
+ done = TRUE;
+ break;
}
pipeheader[PIPE_HEADER_SIZE] = '\0';
/* Same as above, the transport process will write the bytes announced
in a timely manner, so we can just wait for the bytes, getting less than expected
is considered a problem of the subprocess, we do not expect anything else from it. */
- got = readn(fd, big_buffer, required);
- if (got != required)
+ if ((got = readn(fd, big_buffer, required)) != required)
{
- msg = string_sprintf("got only %d of %d bytes (pipedata) "
- "from transport process %d for transport %s",
- got, required, pid, addr->transport->driver_name);
- done = TRUE;
- break;
+ msg = string_sprintf("got only " SSIZE_T_FMT " of " SIZE_T_FMT
+ " bytes (pipedata) from transport process %d for transport %s",
+ got, required, pid, addr->transport->driver_name);
+ done = TRUE;
+ break;
}
/* Handle each possible type of item, assuming the complete item is
treat it as if it is a continued connection (apart from the counter used
for the log line mark). */
- if (cutthrough.fd >= 0 && cutthrough.callout_hold_only)
+ if (cutthrough.cctx.sock >= 0 && cutthrough.callout_hold_only)
{
DEBUG(D_deliver)
debug_printf("lazy-callout-close: have conn still open from verification\n");
/* The certificate verification status goes into the flags */
if (tls_out.certificate_verified) setflag(addr, af_cert_verified);
-#ifdef EXPERIMENTAL_DANE
+#ifdef SUPPORT_DANE
if (tls_out.dane_verified) setflag(addr, af_dane_verified);
#endif
release its TLS library context (if any) as responsibility was passed to
the delivery child process. */
- if (cutthrough.fd >= 0 && cutthrough.callout_hold_only)
+ if (cutthrough.cctx.sock >= 0 && cutthrough.callout_hold_only)
{
#ifdef SUPPORT_TLS
- tls_close(FALSE, FALSE);
+ if (cutthrough.is_tls)
+ tls_close(cutthrough.cctx.tls_ctx, TLS_NO_SHUTDOWN);
#endif
- (void) close(cutthrough.fd);
+ (void) close(cutthrough.cctx.sock);
release_cutthrough_connection(US"passed to transport proc");
}
static uschar *
next_emf(FILE *f, uschar *which)
{
-int size = 256;
-int ptr = 0;
-uschar *para, *yield;
+uschar *yield;
+gstring * para;
uschar buffer[256];
if (!f) return NULL;
if (!Ufgets(buffer, sizeof(buffer), f) || Ustrcmp(buffer, "****\n") == 0)
return NULL;
-para = store_get(size);
+para = string_get(256);
for (;;)
{
- para = string_cat(para, &size, &ptr, buffer);
+ para = string_cat(para, buffer);
if (!Ufgets(buffer, sizeof(buffer), f) || Ustrcmp(buffer, "****\n") == 0)
break;
}
-para[ptr] = 0;
-
-if ((yield = expand_string(para)))
+if ((yield = expand_string(string_from_gstring(para))))
return yield;
log_write(0, LOG_MAIN|LOG_PANIC, "Failed to expand string from "
new->dsn_flags = r->dsn_flags & rf_dsnflags;
new->dsn_orcpt = r->orcpt;
DEBUG(D_deliver) debug_printf("DSN: set orcpt: %s flags: %d\n",
- new->dsn_orcpt, new->dsn_flags);
+ new->dsn_orcpt ? new->dsn_orcpt : US"", new->dsn_flags);
switch (process_recipients)
{
"DSN: envid: %s ret: %d\n"
"DSN: Final recipient: %s\n"
"DSN: Remote SMTP server supports DSN: %d\n",
- addr_dsntmp->router->name,
+ addr_dsntmp->router ? addr_dsntmp->router->name : US"(unknown)",
addr_dsntmp->address,
sender_address,
- addr_dsntmp->dsn_orcpt, addr_dsntmp->dsn_flags,
- dsn_envid, dsn_ret,
+ addr_dsntmp->dsn_orcpt ? addr_dsntmp->dsn_orcpt : US"NULL",
+ addr_dsntmp->dsn_flags,
+ dsn_envid ? dsn_envid : US"NULL", dsn_ret,
addr_dsntmp->address,
addr_dsntmp->dsn_aware
);
addr->address);
if ((hu = addr->host_used) && hu->name)
{
- const uschar * s;
fprintf(f, "Remote-MTA: dns; %s\n", hu->name);
#ifdef EXPERIMENTAL_DSN_INFO
+ {
+ const uschar * s;
if (hu->address)
{
uschar * p = hu->port == 25
fprintf(f, "X-Remote-MTA-helo-response: X-str; %s\n", s);
if ((s = addr->message) && *s)
fprintf(f, "X-Exim-Diagnostic: X-str; %s\n", s);
+ }
#endif
print_dsn_diagnostic_code(addr, f);
}
/* Log the end of this message, with queue time if requested. */
if (LOGGING(queue_time_overall))
- log_write(0, LOG_MAIN, "Completed QT=%s",
- string_timesince(&received_time));
+ log_write(0, LOG_MAIN, "Completed QT=%s", string_timesince(&received_time));
else
log_write(0, LOG_MAIN, "Completed");
#ifdef SUPPORT_TLS
if (!regex_STARTTLS) regex_STARTTLS =
regex_must_compile(US"\\n250[\\s\\-]STARTTLS(\\s|\\n|$)", FALSE, TRUE);
+
+# ifdef EXPERIMENTAL_REQUIRETLS
+if (!regex_REQUIRETLS) regex_REQUIRETLS =
+ regex_must_compile(US"\\n250[\\s\\-]REQUIRETLS(\\s|\\n|$)", FALSE, TRUE);
+# endif
#endif
if (!regex_CHUNKING) regex_CHUNKING =
{
uschar * where;
-if (cutthrough.fd >= 0 && cutthrough.callout_hold_only)
+if (cutthrough.cctx.sock >= 0 && cutthrough.callout_hold_only)
{
- int pfd[2], channel_fd = cutthrough.fd, pid;
+ int channel_fd = cutthrough.cctx.sock;
smtp_peer_options = cutthrough.peer_options;
continue_sequence = 0;
#ifdef SUPPORT_TLS
if (cutthrough.is_tls)
{
+ int pfd[2], pid;
+
smtp_peer_options |= OPTION_TLS;
sending_ip_address = cutthrough.snd_ip;
sending_port = cutthrough.snd_port;
else if (pid == 0) /* child: fork again to totally disconnect */
{
- close(pfd[1]);
- if ((pid = fork()))
- _exit(pid ? EXIT_FAILURE : EXIT_SUCCESS);
- smtp_proxy_tls(big_buffer, big_buffer_size, pfd[0], 5*60);
- exim_exit(0);
+ if (running_in_test_harness) millisleep(100); /* let parent debug out */
+ /* does not return */
+ smtp_proxy_tls(cutthrough.cctx.tls_ctx, big_buffer, big_buffer_size,
+ pfd, 5*60);
}
+ DEBUG(D_transport) debug_printf("proxy-proc inter-pid %d\n", pid);
close(pfd[0]);
waitpid(pid, NULL, 0);
(void) close(channel_fd); /* release the client socket */