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-rw-r--r--contrib/exim/patch-exim-src_spam.c.diff71
-rw-r--r--contrib/exim/patch-exim-src_spam.c.diff.exim-4.85.diff396
-rw-r--r--contrib/exim/shutdown.patch14
3 files changed, 387 insertions, 94 deletions
diff --git a/contrib/exim/patch-exim-src_spam.c.diff b/contrib/exim/patch-exim-src_spam.c.diff
index f6005e0f8..de507f0e7 100644
--- a/contrib/exim/patch-exim-src_spam.c.diff
+++ b/contrib/exim/patch-exim-src_spam.c.diff
@@ -1,7 +1,7 @@
-diff -ru a/src/expand.c b/src/expand.c
---- a/src/expand.c 2015-02-11 14:32:38.787982270 +0200
-+++ b/src/expand.c 2015-02-11 14:32:53.467982467 +0200
-@@ -641,6 +641,7 @@
+diff -ru exim-4.70.orig/src/expand.c exim-4.70/src/expand.c
+--- exim-4.70.orig/src/expand.c 2016-04-09 13:42:00.227625074 +0200
++++ exim-4.70/src/expand.c 2016-04-09 13:42:37.183633096 +0200
+@@ -578,6 +578,7 @@
{ "sn8", vtype_filter_int, &filter_sn[8] },
{ "sn9", vtype_filter_int, &filter_sn[9] },
#ifdef WITH_CONTENT_SCAN
@@ -9,10 +9,10 @@ diff -ru a/src/expand.c b/src/expand.c
{ "spam_bar", vtype_stringptr, &spam_bar },
{ "spam_report", vtype_stringptr, &spam_report },
{ "spam_score", vtype_stringptr, &spam_score },
-diff -ru a/src/globals.c b/src/globals.c
---- a/src/globals.c 2015-02-11 14:32:38.815982283 +0200
-+++ b/src/globals.c 2015-02-11 14:32:53.467982467 +0200
-@@ -1257,6 +1257,7 @@
+diff -ru exim-4.70.orig/src/globals.c exim-4.70/src/globals.c
+--- exim-4.70.orig/src/globals.c 2016-04-09 13:42:00.219625073 +0200
++++ exim-4.70/src/globals.c 2016-04-09 13:42:37.187633096 +0200
+@@ -1136,6 +1136,7 @@
uschar *spamd_address = US"127.0.0.1 783";
uschar *spam_bar = NULL;
uschar *spam_report = NULL;
@@ -20,10 +20,10 @@ diff -ru a/src/globals.c b/src/globals.c
uschar *spam_score = NULL;
uschar *spam_score_int = NULL;
#endif
-diff -ru a/src/globals.h b/src/globals.h
---- a/src/globals.h 2015-02-11 14:32:38.835982265 +0200
-+++ b/src/globals.h 2015-02-11 14:32:53.467982467 +0200
-@@ -803,6 +803,7 @@
+diff -ru exim-4.70.orig/src/globals.h exim-4.70/src/globals.h
+--- exim-4.70.orig/src/globals.h 2016-04-09 13:42:00.219625073 +0200
++++ exim-4.70/src/globals.h 2016-04-09 13:42:37.187633096 +0200
+@@ -703,6 +703,7 @@
extern uschar *spamd_address; /* address for the spamassassin daemon */
extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
extern uschar *spam_report; /* the spamd report (multiline) */
@@ -31,10 +31,10 @@ diff -ru a/src/globals.h b/src/globals.h
extern uschar *spam_score; /* the spam score (float) */
extern uschar *spam_score_int; /* spam_score * 10 (int) */
#endif
-diff -ru a/src/spam.c b/src/spam.c
---- a/src/spam.c 2015-02-11 14:32:38.803982272 +0200
-+++ b/src/spam.c 2015-02-11 14:34:39.287981868 +0200
-@@ -14,6 +14,7 @@
+diff -ru exim-4.70.orig/src/spam.c exim-4.70/src/spam.c
+--- exim-4.70.orig/src/spam.c 2016-04-09 13:42:00.231625075 +0200
++++ exim-4.70/src/spam.c 2016-04-09 13:43:43.927647677 +0200
+@@ -16,6 +16,7 @@
uschar spam_score_buffer[16];
uschar spam_score_int_buffer[16];
uschar spam_bar_buffer[128];
@@ -42,8 +42,8 @@ diff -ru a/src/spam.c b/src/spam.c
uschar spam_report_buffer[32600];
uschar prev_user_name[128] = "";
int spam_ok = 0;
-@@ -32,9 +33,11 @@
- int spamd_sock = -1;
+@@ -31,9 +32,11 @@
+ int spamd_sock;
uschar spamd_buffer[32600];
int i, j, offset, result;
+ BOOL is_rspamd;
@@ -55,7 +55,7 @@ diff -ru a/src/spam.c b/src/spam.c
int spamd_report_offset;
uschar *p,*q;
int override = 0;
-@@ -128,8 +131,15 @@
+@@ -122,8 +125,15 @@
spamd_address_container *this_spamd =
(spamd_address_container *)store_get(sizeof(spamd_address_container));
@@ -72,7 +72,7 @@ diff -ru a/src/spam.c b/src/spam.c
log_write(0, LOG_MAIN,
"spam acl condition: warning - invalid spamd address: '%s'", address);
continue;
-@@ -173,6 +183,7 @@
+@@ -165,6 +175,7 @@
spamd_address_vector[current_server]->tcp_port,
5 ) > -1) {
/* connection OK */
@@ -80,7 +80,7 @@ diff -ru a/src/spam.c b/src/spam.c
break;
};
-@@ -209,12 +220,28 @@
+@@ -197,12 +208,28 @@
}
server.sun_family = AF_UNIX;
@@ -111,8 +111,8 @@ diff -ru a/src/spam.c b/src/spam.c
(void)fclose(mbox_file);
(void)close(spamd_sock);
return DEFER;
-@@ -230,22 +257,50 @@
- return DEFER;
+@@ -210,22 +237,50 @@
+
}
+ (void)fcntl(spamd_sock, F_SETFL, O_NONBLOCK);
@@ -172,7 +172,18 @@ diff -ru a/src/spam.c b/src/spam.c
/* now send the file */
/* spamd sometimes accepts conections but doesn't read data off
-@@ -348,60 +403,93 @@
+@@ -304,7 +359,9 @@
+ (void)fclose(mbox_file);
+
+ /* we're done sending, close socket for writing */
+- shutdown(spamd_sock,SHUT_WR);
++ if (!is_rspamd) {
++ shutdown(spamd_sock,SHUT_WR);
++ }
+
+ /* read spamd response using what's left of the timeout.
+ */
+@@ -328,60 +385,93 @@
/* reading done */
(void)close(spamd_sock);
@@ -295,7 +306,7 @@ diff -ru a/src/spam.c b/src/spam.c
}
spam_bar_buffer[i] = '\0';
spam_bar = spam_bar_buffer;
-@@ -417,12 +505,12 @@
+@@ -397,12 +487,12 @@
/* compare threshold against score */
if (spamd_score >= spamd_threshold) {
@@ -311,11 +322,11 @@ diff -ru a/src/spam.c b/src/spam.c
+ spam_rc = FAIL;
};
- /* remember expanded spamd_address if needed */
-diff -ru a/src/spam.h b/src/spam.h
---- a/src/spam.h 2015-02-11 14:32:38.775982314 +0200
-+++ b/src/spam.h 2015-02-11 14:32:53.467982467 +0200
-@@ -22,7 +22,8 @@
+ /* remember user name and "been here" for it unless spamd_socket was expanded */
+diff -ru exim-4.70.orig/src/spam.h exim-4.70/src/spam.h
+--- exim-4.70.orig/src/spam.h 2016-04-09 13:42:00.235625076 +0200
++++ exim-4.70/src/spam.h 2016-04-09 13:42:37.187633096 +0200
+@@ -24,7 +24,8 @@
typedef struct spamd_address_container {
uschar tcp_addr[24];
diff --git a/contrib/exim/patch-exim-src_spam.c.diff.exim-4.85.diff b/contrib/exim/patch-exim-src_spam.c.diff.exim-4.85.diff
index 7d6029f2d..471865368 100644
--- a/contrib/exim/patch-exim-src_spam.c.diff.exim-4.85.diff
+++ b/contrib/exim/patch-exim-src_spam.c.diff.exim-4.85.diff
@@ -1,64 +1,332 @@
-2,4c2,4
-< --- a/src/expand.c 2015-02-11 14:32:38.787982270 +0200
-< +++ b/src/expand.c 2015-02-11 14:32:53.467982467 +0200
-< @@ -641,6 +641,7 @@
----
-> --- a/src/expand.c 2015-01-06 01:40:11.000000000 +0200
-> +++ b/src/expand.c 2015-02-11 15:01:19.287978945 +0200
-> @@ -652,6 +652,7 @@
-13,15c13,15
-< --- a/src/globals.c 2015-02-11 14:32:38.815982283 +0200
-< +++ b/src/globals.c 2015-02-11 14:32:53.467982467 +0200
-< @@ -1257,6 +1257,7 @@
----
-> --- a/src/globals.c 2015-01-06 01:40:11.000000000 +0200
-> +++ b/src/globals.c 2015-02-11 15:01:19.287978945 +0200
-> @@ -1276,6 +1276,7 @@
-24,26c24,26
-< --- a/src/globals.h 2015-02-11 14:32:38.835982265 +0200
-< +++ b/src/globals.h 2015-02-11 14:32:53.467982467 +0200
-< @@ -803,6 +803,7 @@
----
-> --- a/src/globals.h 2015-01-06 01:40:11.000000000 +0200
-> +++ b/src/globals.h 2015-02-11 15:01:19.287978945 +0200
-> @@ -819,6 +819,7 @@
-35,36c35,36
-< --- a/src/spam.c 2015-02-11 14:32:38.803982272 +0200
-< +++ b/src/spam.c 2015-02-11 14:34:39.287981868 +0200
----
-> --- a/src/spam.c 2015-01-06 01:40:11.000000000 +0200
-> +++ b/src/spam.c 2015-02-11 15:17:20.867976302 +0200
-70,71c70,72
-< - if( sscanf(CS address, "%s %u", this_spamd->tcp_addr, &(this_spamd->tcp_port)) != 2 ) {
-< + if( sscanf(CS address, "%23s %hu", this_spamd->tcp_addr, &(this_spamd->tcp_port)) != 2 ) {
----
-> - if (sscanf(CS address, "%23s %u", this_spamd->tcp_addr, &(this_spamd->tcp_port)) != 2)
-> + if (sscanf(CS address, "%23s %hu", this_spamd->tcp_addr, &(this_spamd->tcp_port)) != 2)
-> {
-74,75c75
-< continue;
-< @@ -173,6 +183,7 @@
----
-> @@ -174,6 +184,7 @@
-83c83
-< @@ -209,12 +220,28 @@
----
-> @@ -210,12 +221,28 @@
-114c114
-< @@ -230,22 +257,50 @@
----
-> @@ -231,22 +258,50 @@
-175c175
-< @@ -348,60 +403,93 @@
----
-> @@ -349,60 +404,93 @@
-298c298
-< @@ -417,12 +505,12 @@
----
-> @@ -418,12 +506,12 @@
-316,317c316,317
-< --- a/src/spam.h 2015-02-11 14:32:38.775982314 +0200
-< +++ b/src/spam.h 2015-02-11 14:32:53.467982467 +0200
----
-> --- a/src/spam.h 2015-01-06 01:40:11.000000000 +0200
-> +++ b/src/spam.h 2015-02-11 15:01:19.291978935 +0200
+diff -ru exim-4.85.orig/src/expand.c exim-4.85/src/expand.c
+--- exim-4.85.orig/src/expand.c 2016-04-09 13:47:01.707691638 +0200
++++ exim-4.85/src/expand.c 2016-04-09 13:47:29.771697969 +0200
+@@ -652,6 +652,7 @@
+ { "sn8", vtype_filter_int, &filter_sn[8] },
+ { "sn9", vtype_filter_int, &filter_sn[9] },
+ #ifdef WITH_CONTENT_SCAN
++ { "spam_action", vtype_stringptr, &spam_action },
+ { "spam_bar", vtype_stringptr, &spam_bar },
+ { "spam_report", vtype_stringptr, &spam_report },
+ { "spam_score", vtype_stringptr, &spam_score },
+Only in exim-4.85/src: expand.c.orig
+diff -ru exim-4.85.orig/src/globals.c exim-4.85/src/globals.c
+--- exim-4.85.orig/src/globals.c 2016-04-09 13:47:01.695691635 +0200
++++ exim-4.85/src/globals.c 2016-04-09 13:47:29.771697969 +0200
+@@ -1276,6 +1276,7 @@
+ uschar *spamd_address = US"127.0.0.1 783";
+ uschar *spam_bar = NULL;
+ uschar *spam_report = NULL;
++uschar *spam_action = NULL;
+ uschar *spam_score = NULL;
+ uschar *spam_score_int = NULL;
+ #endif
+Only in exim-4.85/src: globals.c.orig
+diff -ru exim-4.85.orig/src/globals.h exim-4.85/src/globals.h
+--- exim-4.85.orig/src/globals.h 2016-04-09 13:47:01.695691635 +0200
++++ exim-4.85/src/globals.h 2016-04-09 13:47:29.771697969 +0200
+@@ -819,6 +819,7 @@
+ extern uschar *spamd_address; /* address for the spamassassin daemon */
+ extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
+ extern uschar *spam_report; /* the spamd report (multiline) */
++extern uschar *spam_action; /* the spamd action */
+ extern uschar *spam_score; /* the spam score (float) */
+ extern uschar *spam_score_int; /* spam_score * 10 (int) */
+ #endif
+Only in exim-4.85/src: globals.h.orig
+diff -ru exim-4.85.orig/src/spam.c exim-4.85/src/spam.c
+--- exim-4.85.orig/src/spam.c 2016-04-09 13:47:01.711691638 +0200
++++ exim-4.85/src/spam.c 2016-04-09 13:52:12.611762892 +0200
+@@ -14,6 +14,7 @@
+ uschar spam_score_buffer[16];
+ uschar spam_score_int_buffer[16];
+ uschar spam_bar_buffer[128];
++uschar spam_action_buffer[32];
+ uschar spam_report_buffer[32600];
+ uschar prev_user_name[128] = "";
+ int spam_ok = 0;
+@@ -32,9 +33,11 @@
+ int spamd_sock = -1;
+ uschar spamd_buffer[32600];
+ int i, j, offset, result;
++ BOOL is_rspamd;
+ uschar spamd_version[8];
++ uschar spamd_short_result[8];
+ uschar spamd_score_char;
+- double spamd_threshold, spamd_score;
++ double spamd_threshold, spamd_score, spamd_reject_score;
+ int spamd_report_offset;
+ uschar *p,*q;
+ int override = 0;
+@@ -128,8 +131,15 @@
+ spamd_address_container *this_spamd =
+ (spamd_address_container *)store_get(sizeof(spamd_address_container));
+
++ /* Check for spamd variant */
++ if( Ustrstr(address, "variant=rspamd") != NULL ) {
++ this_spamd->is_rspamd = TRUE;
++ }
++ else {
++ this_spamd->is_rspamd = FALSE;
++ }
+ /* grok spamd address and port */
+- if (sscanf(CS address, "%23s %u", this_spamd->tcp_addr, &(this_spamd->tcp_port)) != 2)
++ if (sscanf(CS address, "%23s %hu", this_spamd->tcp_addr, &(this_spamd->tcp_port)) != 2)
+ {
+ log_write(0, LOG_MAIN,
+ "spam acl condition: warning - invalid spamd address: '%s'", address);
+@@ -174,6 +184,7 @@
+ spamd_address_vector[current_server]->tcp_port,
+ 5 ) > -1) {
+ /* connection OK */
++ is_rspamd = spamd_address_vector[current_server]->is_rspamd;
+ break;
+ };
+
+@@ -210,12 +221,28 @@
+ }
+
+ server.sun_family = AF_UNIX;
+- Ustrcpy(server.sun_path, spamd_address_work);
++ p = Ustrstr(spamd_address_work, "variant=rspamd");
++ if( p != NULL ) {
++ is_rspamd = TRUE;
++ /* strip spaces */
++ p --;
++ while (p > spamd_address_work && isspace (*p)) {
++ p --;
++ }
++ Ustrncpy(server.sun_path, spamd_address_work, p - spamd_address_work + 1);
++ /* zero terminate */
++ server.sun_path[p - spamd_address_work + 1] = 0;
++ }
++ else {
++ is_rspamd = FALSE;
++ Ustrcpy(server.sun_path, spamd_address_work);
++ }
++
+
+ if (connect(spamd_sock, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) < 0) {
+ log_write(0, LOG_MAIN|LOG_PANIC,
+ "malware acl condition: spamd: unable to connect to UNIX socket %s (%s)",
+- spamd_address_work, strerror(errno) );
++ server.sun_path, strerror(errno) );
+ (void)fclose(mbox_file);
+ (void)close(spamd_sock);
+ return DEFER;
+@@ -231,22 +258,50 @@
+ return DEFER;
+ }
+
++ (void)fcntl(spamd_sock, F_SETFL, O_NONBLOCK);
+ /* now we are connected to spamd on spamd_sock */
+- (void)string_format(spamd_buffer,
+- sizeof(spamd_buffer),
+- "REPORT SPAMC/1.2\r\nUser: %s\r\nContent-length: %ld\r\n\r\n",
+- user_name,
+- mbox_size);
+-
+- /* send our request */
+- if (send(spamd_sock, spamd_buffer, Ustrlen(spamd_buffer), 0) < 0) {
++ if (is_rspamd) {
++ /* rspamd variant */
++ const char *helo;
++ const char *fcrdns;
++ const char *authid;
++ uschar *req_str;
++
++ req_str = string_sprintf("CHECK RSPAMC/1.3\r\nContent-length: %lu\r\n"
++ "Queue-Id: %s\r\nFrom: <%s>\r\nRecipient-Number: %d\r\n", mbox_size,
++ message_id, sender_address, recipients_count);
++ for (i = 0; i < recipients_count; i ++)
++ req_str = string_sprintf("%sRcpt: <%s>\r\n", req_str, recipients_list[i].address);
++ if ((helo = expand_string(US"$sender_helo_name")) != NULL && *helo != '\0')
++ req_str = string_sprintf("%sHelo: %s\r\n", req_str, helo);
++ if ((fcrdns = expand_string(US"$sender_host_name")) != NULL && *fcrdns != '\0')
++ req_str = string_sprintf("%sHostname: %s\r\n", req_str, fcrdns);
++ if (sender_host_address != NULL)
++ req_str = string_sprintf("%sIP: %s\r\n", req_str, sender_host_address);
++ if ((authid = expand_string(US"$authenticated_id")) != NULL && *authid != '\0')
++ req_str = string_sprintf("%sUser: %s\r\n", req_str, authid);
++ req_str = string_sprintf("%s\r\n", req_str);
++ wrote = send(spamd_sock, req_str, Ustrlen(req_str), 0);
++ }
++ else {
++ /* spamassassin variant */
++ (void)string_format(spamd_buffer,
++ sizeof(spamd_buffer),
++ "REPORT SPAMC/1.2\r\nUser: %s\r\nContent-length: %ld\r\n\r\n",
++ user_name,
++ mbox_size);
++ /* send our request */
++ wrote = send(spamd_sock, spamd_buffer, Ustrlen(spamd_buffer), 0);
++ }
++ if(wrote == -1)
++ {
+ (void)close(spamd_sock);
+ log_write(0, LOG_MAIN|LOG_PANIC,
+- "spam acl condition: spamd send failed: %s", strerror(errno));
++ "spam acl condition: spamd send failed: %s", strerror(errno));
+ (void)fclose(mbox_file);
+ (void)close(spamd_sock);
+ return DEFER;
+- };
++ }
+
+ /* now send the file */
+ /* spamd sometimes accepts conections but doesn't read data off
+@@ -349,60 +404,93 @@
+ /* reading done */
+ (void)close(spamd_sock);
+
+- /* dig in the spamd output and put the report in a multiline header, if requested */
+- if( sscanf(CS spamd_buffer,"SPAMD/%7s 0 EX_OK\r\nContent-length: %*u\r\n\r\n%lf/%lf\r\n%n",
+- spamd_version,&spamd_score,&spamd_threshold,&spamd_report_offset) != 3 ) {
+-
+- /* try to fall back to pre-2.50 spamd output */
+- if( sscanf(CS spamd_buffer,"SPAMD/%7s 0 EX_OK\r\nSpam: %*s ; %lf / %lf\r\n\r\n%n",
+- spamd_version,&spamd_score,&spamd_threshold,&spamd_report_offset) != 3 ) {
++ if (!is_rspamd) {
++ /* dig in the spamd output and put the report in a multiline header, if requested */
++ if( sscanf(CS spamd_buffer,"SPAMD/%7s 0 EX_OK\r\nContent-length: %*u\r\n\r\n%lf/%lf\r\n%n",
++ spamd_version,&spamd_score,&spamd_threshold,&spamd_report_offset) != 3 ) {
++
++ /* try to fall back to pre-2.50 spamd output */
++ if( sscanf(CS spamd_buffer,"SPAMD/%7s 0 EX_OK\r\nSpam: %*s ; %lf / %lf\r\n\r\n%n",
++ spamd_version,&spamd_score,&spamd_threshold,&spamd_report_offset) != 3 ) {
++ log_write(0, LOG_MAIN|LOG_PANIC,
++ "spam acl condition: cannot parse spamd output");
++ return DEFER;
++ };
++ };
++
++ if( spamd_score >= spamd_threshold ) {
++ Ustrcpy(spam_action_buffer, "reject");
++ }
++ else {
++ Ustrcpy(spam_action_buffer, "no action");
++ }
++ }
++ else {
++ /* rspamd variant of reply */
++ int r;
++ if( (r = sscanf(CS spamd_buffer,"RSPAMD/%7s 0 EX_OK\r\nMetric: default; %7s %lf / %lf / %lf\r\n%n",
++ spamd_version,spamd_short_result,&spamd_score,&spamd_threshold,&spamd_reject_score,&spamd_report_offset)) != 5 ) {
+ log_write(0, LOG_MAIN|LOG_PANIC,
+- "spam acl condition: cannot parse spamd output");
++ "spam acl condition: cannot parse spamd output: %d", r);
+ return DEFER;
+ };
+- };
++ /* now parse action */
++ p = &spamd_buffer[spamd_report_offset];
++
++ if( Ustrncmp(p, "Action: ", sizeof("Action: ") - 1) == 0 ) {
++ p += sizeof("Action: ") - 1;
++ q = &spam_action_buffer[0];
++ while (*p && *p != '\r' && (q - spam_action_buffer) < sizeof(spam_action_buffer) - 1) {
++ *q++ = *p++;
++ }
++ *q = '\0';
++ }
++ }
+
+ /* Create report. Since this is a multiline string,
+ we must hack it into shape first */
+ p = &spamd_buffer[spamd_report_offset];
+ q = spam_report_buffer;
+ while (*p != '\0') {
+- /* skip \r */
+- if (*p == '\r') {
+- p++;
+- continue;
+- };
+- *q = *p;
+- q++;
+- if (*p == '\n') {
+- /* add an extra space after the newline to ensure
+- that it is treated as a header continuation line */
+- *q = ' ';
+- q++;
+- };
+- p++;
++ /* skip \r */
++ if (*p == '\r') {
++ p++;
++ continue;
++ };
++ *q = *p;
++ q++;
++ if (*p == '\n') {
++ /* add an extra space after the newline to ensure
++ that it is treated as a header continuation line */
++ *q = ' ';
++ q++;
++ };
++ p++;
+ };
+ /* NULL-terminate */
+ *q = '\0';
+ q--;
+ /* cut off trailing leftovers */
+ while (*q <= ' ') {
+- *q = '\0';
+- q--;
++ *q = '\0';
++ q--;
+ };
++
++ /* common spamd actions */
+ spam_report = spam_report_buffer;
++ spam_action = spam_action_buffer;
+
+ /* create spam bar */
+ spamd_score_char = spamd_score > 0 ? '+' : '-';
+ j = abs((int)(spamd_score));
+ i = 0;
+ if( j != 0 ) {
+- while((i < j) && (i <= MAX_SPAM_BAR_CHARS))
+- spam_bar_buffer[i++] = spamd_score_char;
++ while((i < j) && (i <= MAX_SPAM_BAR_CHARS))
++ spam_bar_buffer[i++] = spamd_score_char;
+ }
+ else{
+- spam_bar_buffer[0] = '/';
+- i = 1;
++ spam_bar_buffer[0] = '/';
++ i = 1;
+ }
+ spam_bar_buffer[i] = '\0';
+ spam_bar = spam_bar_buffer;
+@@ -418,12 +506,12 @@
+
+ /* compare threshold against score */
+ if (spamd_score >= spamd_threshold) {
+- /* spam as determined by user's threshold */
+- spam_rc = OK;
++ /* spam as determined by user's threshold */
++ spam_rc = OK;
+ }
+ else {
+- /* not spam */
+- spam_rc = FAIL;
++ /* not spam */
++ spam_rc = FAIL;
+ };
+
+ /* remember expanded spamd_address if needed */
+Only in exim-4.85/src: spam.c.orig
+Only in exim-4.85/src: .spam.c.rej.swp
+diff -ru exim-4.85.orig/src/spam.h exim-4.85/src/spam.h
+--- exim-4.85.orig/src/spam.h 2016-04-09 13:47:01.715691640 +0200
++++ exim-4.85/src/spam.h 2016-04-09 13:47:29.775697969 +0200
+@@ -22,7 +22,8 @@
+
+ typedef struct spamd_address_container {
+ uschar tcp_addr[24];
+- unsigned int tcp_port;
++ unsigned short int tcp_port;
++ int is_rspamd:1;
+ } spamd_address_container;
+
+ #endif
diff --git a/contrib/exim/shutdown.patch b/contrib/exim/shutdown.patch
new file mode 100644
index 000000000..39007130f
--- /dev/null
+++ b/contrib/exim/shutdown.patch
@@ -0,0 +1,14 @@
+diff -ru exim-4.86.orig/src/spam.c exim-4.86/src/spam.c
+--- exim-4.86.orig/src/spam.c 2016-04-09 13:54:51.583800284 +0200
++++ exim-4.86/src/spam.c 2016-04-09 13:55:16.659806242 +0200
+@@ -499,7 +499,9 @@
+ (void)fclose(mbox_file);
+
+ /* we're done sending, close socket for writing */
+-shutdown(spamd_sock,SHUT_WR);
++if (!is_rspamd) {
++ shutdown(spamd_sock,SHUT_WR);
++}
+
+ /* read spamd response using what's left of the timeout. */
+ memset(spamd_buffer, 0, sizeof(spamd_buffer));