Update to 4.52

9 files changed, 234 insertions, 154 deletions

diff --git a/mail/exim/files/patch-OS::Makefile-FreeBSD b/mail/exim/files/patch-OS::Makefile-FreeBSD
index b5f198f0c177..bbbc0209a3ee 100644
--- a/mail/exim/files/patch-OS::Makefile-FreeBSD
+++ b/mail/exim/files/patch-OS::Makefile-FreeBSD
@@ -1,6 +1,9 @@
---- OS/Makefile-FreeBSD.orig	Tue Aug 12 17:39:51 2003
-+++ OS/Makefile-FreeBSD	Thu Aug 14 12:10:46 2003
-@@ -5,11 +5,12 @@
+
+$FreeBSD$
+
+--- OS/Makefile-FreeBSD.orig
++++ OS/Makefile-FreeBSD
+@@ -7,6 +7,7 @@
  PORTOBJFORMAT!= test -x /usr/bin/objformat && /usr/bin/objformat || echo aout
  
  CHOWN_COMMAND=/usr/sbin/chown
@@ -8,8 +11,3 @@
  
  HAVE_SA_LEN=YES
  
- # crypt() is in a separate library
- LIBS=-lcrypt
- 
- # FreeBSD always ships with Berkeley DB
- USE_DB=yes
diff --git a/mail/exim/files/patch-doc::spec.txt b/mail/exim/files/patch-doc::spec.txt
index 0c7d97e9d11e..28281ec779a9 100644
--- a/mail/exim/files/patch-doc::spec.txt
+++ b/mail/exim/files/patch-doc::spec.txt
@@ -1,8 +1,11 @@
---- doc/spec.txt.orig	Wed May  5 12:08:37 2004
-+++ doc/spec.txt	Wed May  5 15:10:17 2004
-@@ -14962,6 +14962,19 @@
-       message_prefix = "\1\1\1\1\n"
-       message_suffix = "\1\1\1\1\n"
+
+$FreeBSD$
+
+--- doc/spec.txt.orig
++++ doc/spec.txt
+@@ -15622,6 +15622,19 @@
+ message_prefix = "\1\1\1\1\n"
+ message_suffix = "\1\1\1\1\n"
  
 +However, many clients require that the certificate presented by Exim be a user
 +(also called "leaf" or "site") certificate, and not a self-signed certificate.
@@ -17,6 +20,6 @@
 +
 +     http://ospkibook.sourceforge.net/
 +
- 
- create_directory                Type: boolean                   Default: true
- 
+ +-----------------------------------------------------------------------------+
+ |create_directory     |  Use: appendfile  |  Type: boolean  |    Default: true|
+ +-----------------------------------------------------------------------------+
diff --git a/mail/exim/files/patch-src_globals.c b/mail/exim/files/patch-src_globals.c
index 914e28e718c2..2b2bbbb397a0 100644
--- a/mail/exim/files/patch-src_globals.c
+++ b/mail/exim/files/patch-src_globals.c
@@ -3,7 +3,7 @@ $FreeBSD$
 
 --- src/globals.c.orig
 +++ src/globals.c
-@@ -1028,9 +1028,12 @@
+@@ -1056,9 +1056,7 @@
  uschar *spool_directory        = US SPOOL_DIRECTORY
                             "\0<--------------Space to patch spool_directory->";
  #ifdef EXPERIMENTAL_SRS
@@ -11,11 +11,6 @@ $FreeBSD$
 -uschar *srs_db_address         = NULL;
 -uschar *srs_db_key             = NULL;
 +BOOL    srs_alwaysrewrite      = FALSE;
-+int     srs_hashlength         = -1;
-+int     srs_hashmin            = -1;
-+int     srs_maxage             = -1;
-+uschar *srs_secrets            = NULL;
-+uschar *srs_separator          = NULL;
- uschar *srs_orig_recipient     = NULL;
- uschar *srs_orig_sender        = NULL;
- uschar *srs_recipient          = NULL;
+ int     srs_hashlength         = 6;
+ int     srs_hashmin            = -1;
+ int     srs_maxage             = 31;
diff --git a/mail/exim/files/patch-src_globals.h b/mail/exim/files/patch-src_globals.h
index 76519037157b..07857d01ffd3 100644
--- a/mail/exim/files/patch-src_globals.h
+++ b/mail/exim/files/patch-src_globals.h
@@ -3,7 +3,7 @@ $FreeBSD$
 
 --- src/globals.h.orig
 +++ src/globals.h
-@@ -631,13 +631,16 @@
+@@ -659,9 +659,7 @@
  extern BOOL    split_spool_directory;  /* TRUE to use multiple subdirs */
  extern uschar *spool_directory;        /* Name of spool directory */
  #ifdef EXPERIMENTAL_SRS
@@ -11,16 +11,6 @@ $FreeBSD$
 -extern uschar *srs_db_address;         /* SRS db address */
 -extern uschar *srs_db_key;             /* SRS db key */
 +extern BOOL    srs_alwaysrewrite;      /* Rewrite for all domains */
-+extern int     srs_hashlength;         /* Hash length to generate */
-+extern int     srs_hashmin;            /* Hash length to check */
-+extern int     srs_maxage;             /* Max age for SRS address */
-+extern uschar *srs_secrets;            /* List of SRS secrets */
-+extern uschar *srs_separator;          /* Separator for SRS addresses */
- extern uschar *srs_orig_sender;        /* SRS original sender */
- extern uschar *srs_orig_recipient;     /* SRS original recipient */
- extern uschar *srs_recipient;          /* SRS recipient */
--extern uschar *srs_status;             /* SRS staus */
-+extern uschar *srs_status;             /* SRS status */
- #endif
- extern int     string_datestamp_offset;/* After insertion by string_format */
- extern BOOL    strip_excess_angle_brackets; /* Surrounding route-addrs */
+ extern int     srs_hashlength;         /* SRS hash length */
+ extern int     srs_hashmin;            /* SRS minimum hash length */
+ extern int     srs_maxage;             /* SRS max age */
diff --git a/mail/exim/files/patch-src_readconf.c b/mail/exim/files/patch-src_readconf.c
index ae494ae8d8bc..a630c8023e95 100644
--- a/mail/exim/files/patch-src_readconf.c
+++ b/mail/exim/files/patch-src_readconf.c
@@ -3,17 +3,12 @@ $FreeBSD$
 
 --- src/readconf.c.orig
 +++ src/readconf.c
-@@ -333,7 +333,12 @@
+@@ -340,7 +340,7 @@
    { "split_spool_directory",    opt_bool,        &split_spool_directory },
    { "spool_directory",          opt_stringptr,   &spool_directory },
  #ifdef EXPERIMENTAL_SRS
 -  { "srs_config",               opt_stringptr,   &srs_config },
 +  { "srs_alwaysrewrite",        opt_bool,        &srs_alwaysrewrite },
-+  { "srs_hashlength",           opt_int,         &srs_hashlength },
-+  { "srs_hashmin",              opt_int,         &srs_hashmin },
-+  { "srs_maxage",               opt_int,         &srs_maxage },
-+  { "srs_secrets",              opt_stringptr,   &srs_secrets },
-+  { "srs_separator",            opt_stringptr,   &srs_separator },
- #endif
-   { "strip_excess_angle_brackets", opt_bool,     &strip_excess_angle_brackets },
-   { "strip_trailing_dot",       opt_bool,        &strip_trailing_dot },
+   { "srs_hashlength",           opt_int,         &srs_hashlength },
+   { "srs_hashmin",              opt_int,         &srs_hashmin },
+   { "srs_maxage",               opt_int,         &srs_maxage },
diff --git a/mail/exim/files/patch-src_routers_redirect.c b/mail/exim/files/patch-src_routers_redirect.c
index 8013f2929410..35ea407059ce 100644
--- a/mail/exim/files/patch-src_routers_redirect.c
+++ b/mail/exim/files/patch-src_routers_redirect.c
@@ -3,7 +3,13 @@ $FreeBSD$
 
 --- src/routers/redirect.c.orig
 +++ src/routers/redirect.c
-@@ -104,12 +104,6 @@
+@@ -1,4 +1,4 @@
+-/* $Cambridge: exim/exim-src/src/routers/redirect.c,v 1.13 2005/06/27 15:11:04 tom Exp $ */
++/* $Cambridge: exim/exim-src/src/routers/redirect.c,v 1.10 2005/04/28 13:06:32 ph10 Exp $ */
+ 
+ /*************************************************
+ *     Exim - an Internet mail transport agent    *
+@@ -108,14 +108,6 @@
  #ifdef EXPERIMENTAL_SRS
    { "srs",                opt_stringptr,
        (void *)offsetof(redirect_router_options_block, srs) },
@@ -11,26 +17,44 @@ $FreeBSD$
 -      (void *)offsetof(redirect_router_options_block, srs_alias) },
 -  { "srs_condition",      opt_stringptr,
 -      (void *)offsetof(redirect_router_options_block, srs_condition) },
--  { "srs_db",             opt_stringptr,
--      (void *)offsetof(redirect_router_options_block, srs_db) },
+-  { "srs_dbinsert",       opt_stringptr,
+-      (void *)offsetof(redirect_router_options_block, srs_dbinsert) },
+-  { "srs_dbselect",       opt_stringptr,
+-      (void *)offsetof(redirect_router_options_block, srs_dbselect) },
  #endif
    { "syntax_errors_text", opt_stringptr,
        (void *)offsetof(redirect_router_options_block, syntax_errors_text) },
-@@ -146,9 +140,6 @@
+@@ -154,10 +146,6 @@
    NULL,        /* owngroups */
  #ifdef EXPERIMENTAL_SRS
    NULL,        /* srs */
--  NULL,        /* srs_condition */
--  NULL,        /* srs_db */
 -  NULL,        /* srs_alias */
+-  NULL,        /* srs_condition */
+-  NULL,        /* srs_dbinsert */
+-  NULL,        /* srs_dbselect */
  #endif
    022,         /* modemask */
    RDO_REWRITE, /* bit_options */
-@@ -545,30 +536,26 @@
+@@ -532,10 +520,6 @@
+ addr_prop.extra_headers = NULL;
+ addr_prop.remove_headers = NULL;
+ 
+-#ifdef EXPERIMENTAL_SRS
+-addr_prop.srs_sender = NULL;
+-#endif
+-
+ /* When verifying and testing addresses, the "logwrite" command in filters
+ must be bypassed. */
+ 
+@@ -562,90 +546,28 @@
+   }
+ 
  #ifdef EXPERIMENTAL_SRS
-   /* For reverse SRS, fill the srs_recipient expandsion variable,
-   on failure, return decline/fail as relevant */
+-  /* Perform SRS on recipient/return-path as required  */
+-
 -  if(ob->srs != NULL)
++  /* For reverse SRS, fill the srs_recipient expandsion variable,
++  on failure, return decline/fail as relevant */
 +if(ob->srs != NULL)
    {
 -    BOOL usesrs = TRUE;
@@ -39,28 +63,85 @@ $FreeBSD$
 -      usesrs = expand_check_condition(ob->srs_condition, "srs_condition expansion failed", NULL);
 -
 -    if(usesrs)
--      if(Ustrcmp(ob->srs, "reverse") == 0 || Ustrcmp(ob->srs, "reverseandforward") == 0)
--      {
--        uschar *res;
--        int n_srs;
 +  if (Ustrcmp(ob->srs, "reverse") == 0 || Ustrcmp(ob->srs, "reverseandforward") == 0)
-+    {
+     {
+-      int srs_action = 0, n_srs;
+-      uschar *res;
+-      uschar *usedomain;
+-
+-      /* What are we doing? */
+-      if(Ustrcmp(ob->srs, "forward") == 0)
+-        srs_action = 1;
+-      else if(Ustrcmp(ob->srs, "reverseandforward") == 0)
+-      {
+-        srs_action = 3;
+-
+-        if((ob->srs_dbinsert == NULL) ^ (ob->srs_dbselect == NULL))
+-          return DEFER;
+-      }
+-      else if(Ustrcmp(ob->srs, "reverse") == 0)
+-        srs_action = 2;
+-
+-      /* Reverse SRS */
+-      if(srs_action & 2)
+-      {
+-        srs_orig_recipient = addr->address;
+-
+-        eximsrs_init();
+-        if(ob->srs_dbselect)
+-          eximsrs_db_set(TRUE, ob->srs_dbselect);
+-/* Comment this out for now...
+-//        else
+-//          eximsrs_db_set(TRUE, NULL);
+-*/
+-
+-        if((n_srs = eximsrs_reverse(&res, addr->address)) == OK)
+-        {
+-          srs_recipient = res;
+-          DEBUG(D_any)
+-            debug_printf("SRS (reverse): Recipient '%s' rewritten to '%s'\n", srs_orig_recipient, srs_recipient);
+-        }
+-
+-        eximsrs_done();
+-
+-        if(n_srs != OK)
+-          return n_srs;
+-      }
+-
+-      /* Forward SRS */
+-      /* No point in actually performing SRS if we are just verifying a recipient */
+-      if((srs_action & 1) && !verify && (sender_address ? sender_address[0] != 0 : FALSE))
+-      {
+-
+-        srs_orig_sender = sender_address;
+-        eximsrs_init();
+-        if(ob->srs_dbinsert)
+-          eximsrs_db_set(FALSE, ob->srs_dbinsert);
+-/* Comment this out for now...
+-//        else
+-//          eximsrs_db_set(FALSE, NULL);
+-*/
+-
+-        if(ob->srs_alias != NULL ? (usedomain = expand_string(ob->srs_alias)) == NULL : 1)
+-          usedomain = deliver_domain;
+-
+-        if((n_srs = eximsrs_forward(&res, sender_address, usedomain)) == OK)
+-        {
+-          addr_prop.srs_sender = res;
+-          DEBUG(D_any)
+-            debug_printf("SRS (forward): Sender '%s' rewritten to '%s'\n", srs_orig_sender, res);
+-        }
+-
+-        eximsrs_done();
 +    uschar *res;
 +    int     ret;
 +    DEBUG(D_route)
 +      debug_printf("SRS: (Forward) \n");
  
--        srs_orig_recipient = addr->address;
--        eximsrs_init();
--        if(ob->srs_db)
--          eximsrs_db_set(TRUE, ob->srs_db);
--        if((n_srs = eximsrs_reverse(&res, addr->address)) != OK)
+-        if(n_srs != OK)
 -          return n_srs;
--        srs_recipient = res;
--        eximsrs_done();
--        DEBUG(D_any)
--          debug_printf("SRS: Recipient '%s' rewritten to '%s'\n", srs_orig_recipient, srs_recipient);
 -      }
+-    }
 +    srs_orig_recipient = addr->address;
 +    eximsrs_init();
 +    ret = eximsrs_reverse(&res, addr->address);
@@ -75,38 +156,15 @@ $FreeBSD$
    }
  #endif
  
-@@ -797,33 +784,23 @@
- 
- #ifdef EXPERIMENTAL_SRS
-   /* On successful redirection, check for SRS forwarding and adjust sender */
--  if(ob->srs != NULL)
+@@ -877,6 +799,29 @@
+     (addr_prop.errors_address != NULL)? addr_prop.errors_address : US"",
+     (addr_prop.errors_address != NULL)? "\n" : "");
+   }
++
++#ifdef EXPERIMENTAL_SRS
++  /* On successful redirection, check for SRS forwarding and adjust sender */
 +if(ob->srs != NULL)
-   {
--    BOOL usesrs = TRUE;
--
--    if(ob->srs_condition != NULL)
--      usesrs = expand_check_condition(ob->srs_condition, "srs_condition expansion failed", NULL);
--
--    if(usesrs)
--      if((Ustrcmp(ob->srs, "forward") == 0 || Ustrcmp(ob->srs, "reverseandforward") == 0) && !verify)
--      {
--        uschar *res;
--        uschar *usedomain;
--        int n_srs;
--
--        srs_orig_sender = sender_address;
--        eximsrs_init();
--        if(ob->srs_db)
--          eximsrs_db_set(FALSE, ob->srs_db);
--
--        if(ob->srs_alias != NULL ? (usedomain = expand_string(ob->srs_alias)) == NULL : 1)
--          usedomain = deliver_domain;
--
--        if((n_srs = eximsrs_forward(&res, sender_address, usedomain)) != OK)
--          return n_srs;
--        sender_address = res;
--        DEBUG(D_any)
--          debug_printf("SRS: Sender '%s' rewritten to '%s'\n", srs_orig_sender, sender_address);
++  {
 +  if ((Ustrcmp(ob->srs, "forward") == 0 || Ustrcmp(ob->srs, "reverseandforward") == 0) && !verify )
 +    {
 +    uschar *res;
@@ -122,6 +180,9 @@ $FreeBSD$
 +    DEBUG(D_route)
 +      debug_printf("SRS: Sender '%s' rewritten to '%s'\n",
 +        srs_orig_sender, sender_address);
-     }
-   }
- #endif
++    }
++  }
++#endif
+ 
+ /* Control gets here only when the address has been completely handled. Put the
+ original address onto the succeed queue so that any retry items that get
diff --git a/mail/exim/files/patch-src_routers_redirect.h b/mail/exim/files/patch-src_routers_redirect.h
index 38c653a5803f..7138438236ec 100644
--- a/mail/exim/files/patch-src_routers_redirect.h
+++ b/mail/exim/files/patch-src_routers_redirect.h
@@ -3,13 +3,14 @@ $FreeBSD$
 
 --- src/routers/redirect.h.orig
 +++ src/routers/redirect.h
-@@ -35,9 +35,6 @@
+@@ -37,10 +37,6 @@
  
  #ifdef EXPERIMENTAL_SRS
    uschar *srs;
--  uschar *srs_condition;
--  uschar *srs_db;
 -  uschar *srs_alias;
+-  uschar *srs_condition;
+-  uschar *srs_dbinsert;
+-  uschar *srs_dbselect;
  #endif
  
    int   modemask;
diff --git a/mail/exim/files/patch-src_srs.c b/mail/exim/files/patch-src_srs.c
index 34d92e4c897f..430010abe716 100644
--- a/mail/exim/files/patch-src_srs.c
+++ b/mail/exim/files/patch-src_srs.c
@@ -3,7 +3,22 @@ $FreeBSD$
 
 --- src/srs.c.orig
 +++ src/srs.c
-@@ -11,196 +11,116 @@
+@@ -1,231 +1,126 @@
+-/* $Cambridge: exim/exim-src/src/srs.c,v 1.8 2005/06/27 18:10:30 tom Exp $ */
++/* $Cambridge: exim/exim-src/src/srs.c,v 1.4 2005/02/17 11:58:26 ph10 Exp $ */
+ 
+ /*************************************************
+ *     Exim - an Internet mail transport agent    *
+ *************************************************/
+ 
+ /* SRS - Sender rewriting scheme support
+-  (C)2004 Miles Wilton <miles@mirtol.com>
+-
+-  SRS Support Version: 1.0a
+-
++  ©2004 Miles Wilton <miles@mirtol.com>
+   License: GPL */
+ 
  #include "exim.h"
  #ifdef EXPERIMENTAL_SRS
  
@@ -28,72 +43,87 @@ $FreeBSD$
  
 -int eximsrs_init()
 -{
--  int co;
 -  uschar *list = srs_config;
--  char secret_buf[SRS_MAX_SECRET_LENGTH];
--  char *secret;
--  char sbuf[4];
--  char *sbufp;
--  int hashlen, maxage;
--
+-  uschar secret_buf[SRS_MAX_SECRET_LENGTH];
+-  uschar *secret = NULL;
+-  uschar sbuf[4];
+-  uschar *sbufp;
 -
--  if(!srs)
+-  /* Check if this instance of Exim has not initialized SRS */
+-  if(srs == NULL)
 -  {
--    /* Check config */
--    if(!srs_config)
+-    int co = 0;
+-    int hashlen, maxage;
+-    BOOL usetimestamp, usehash;
+-
+-    /* Copy config vars */
+-    hashlen = srs_hashlength;
+-    maxage = srs_maxage;
+-    usetimestamp = srs_usetimestamp;
+-    usehash = srs_usehash;
+-
+-    /* Pass srs_config var (overrides new config vars) */
+-    co = 0;
+-    if(srs_config != NULL)
 -    {
--      log_write(0, LOG_MAIN | LOG_PANIC,
--          "SRS Configuration Error");
--      return DEFER;
+-      secret = string_nextinlist(&list, &co, secret_buf, SRS_MAX_SECRET_LENGTH);
+-
+-      if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
+-        maxage = atoi(sbuf);
+-
+-      if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
+-        hashlen = atoi(sbuf);
+-
+-      if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
+-        usetimestamp = atoi(sbuf);
+-
+-      if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
+-        usehash = atoi(sbuf);
 -    }
 -
--    /* Get config */
+-    if(srs_hashmin == -1)
+-      srs_hashmin = hashlen;
+-
+-    /* First secret specified in secrets? */
 -    co = 0;
--    if((secret = string_nextinlist(&list, &co, secret_buf,
--                                   SRS_MAX_SECRET_LENGTH)) == NULL)
+-    list = srs_secrets;
+-    if(secret == NULL || *secret == '\0')
 -    {
--      log_write(0, LOG_MAIN | LOG_PANIC,
--          "SRS Configuration Error: No secret specified");
--      return DEFER;
+-      if((secret = string_nextinlist(&list, &co, secret_buf, SRS_MAX_SECRET_LENGTH)) == NULL)
+-      {
+-        log_write(0, LOG_MAIN | LOG_PANIC,
+-            "SRS Configuration Error: No secret specified");
+-        return DEFER;
+-      }
 -    }
 -
--    if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) == NULL)
--      maxage = 31;
--    else
--      maxage = atoi(sbuf);
+-    /* Check config */
 -    if(maxage < 0 || maxage > 365)
 -    {
 -      log_write(0, LOG_MAIN | LOG_PANIC,
 -          "SRS Configuration Error: Invalid maximum timestamp age");
 -      return DEFER;
 -    }
--
--    if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) == NULL)
--      hashlen = 6;
--    else
--      hashlen = atoi(sbuf);
--    if(hashlen < 1 || hashlen > 20)
+-    if(hashlen < 1 || hashlen > 20 || srs_hashmin < 1 || srs_hashmin > 20)
 -    {
 -      log_write(0, LOG_MAIN | LOG_PANIC,
 -          "SRS Configuration Error: Invalid hash length");
 -      return DEFER;
 -    }
 -
--
--    if((srs = srs_open(secret, strnlen(secret, SRS_MAX_SECRET_LENGTH),
--                      maxage, hashlen, hashlen)) == NULL)
+-    if((srs = srs_open(secret, Ustrlen(secret), maxage, hashlen, srs_hashmin)) == NULL)
 -    {
 -      log_write(0, LOG_MAIN | LOG_PANIC,
 -          "Failed to allocate SRS memory");
 -      return DEFER;
 -    }
 -
+-    srs_set_option(srs, SRS_OPTION_USETIMESTAMP, usetimestamp);
+-    srs_set_option(srs, SRS_OPTION_USEHASH, usehash);
 -
--    if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
--      srs_set_option(srs, SRS_OPTION_USETIMESTAMP, atoi(sbuf));
--
--    if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
--      srs_set_option(srs, SRS_OPTION_USEHASH, atoi(sbuf));
+-    /* Extra secrets? */
+-    while((secret = string_nextinlist(&list, &co, secret_buf, SRS_MAX_SECRET_LENGTH)) != NULL)
+-        srs_add_secret(srs, secret, (Ustrlen(secret) > SRS_MAX_SECRET_LENGTH) ? SRS_MAX_SECRET_LENGTH :  Ustrlen(secret));
 -
 -    DEBUG(D_any)
 -      debug_printf("SRS initialized\n");
@@ -107,7 +137,7 @@ $FreeBSD$
 +int
 +eximsrs_init()
  {
--  if(srs)
+-  if(srs != NULL)
 -    srs_close(srs);
 -
 -  srs = NULL;
@@ -190,11 +220,12 @@ $FreeBSD$
 +eximsrs_done()
  {
 -  if(reverse)
--    srs_db_reverse = string_copy(srs_db);
+-    srs_db_reverse = (srs_db == NULL ? NULL : string_copy(srs_db));
 -  else
--    srs_db_forward = string_copy(srs_db);
+-    srs_db_forward = (srs_db == NULL ? NULL : string_copy(srs_db));
 -
--  if(srs_set_db_functions(srs, eximsrs_db_insert, eximsrs_db_lookup) * SRS_RESULT_FAIL)
+-  if(srs_set_db_functions(srs, (srs_db_forward ? eximsrs_db_insert : NULL),
+-                               (srs_db_reverse ? eximsrs_db_lookup : NULL)) & SRS_RESULT_FAIL)
 -    return DEFER;
 -
 -  return OK;
@@ -210,11 +241,14 @@ $FreeBSD$
 +eximsrs_forward(uschar **result, uschar *sender, uschar *domain)
  {
 -  uschar *res;
--  char buf[64];
+-  uschar buf[64];
+-
+-  if(srs_db_forward == NULL)
+-    return SRS_RESULT_DBERROR;
 -
 -  srs_db_address = string_copyn(data, data_len);
 -  if(srs_generate_unique_id(srs, srs_db_address, buf, 64) & SRS_RESULT_FAIL)
--    return DEFER;
+-    return SRS_RESULT_DBERROR;
 -
 -  srs_db_key = string_copyn(buf, 16);
 -
@@ -226,7 +260,7 @@ $FreeBSD$
 +       char     res[1024];
 +       int              ret;
  
--  strncpy(result, srs_db_key, result_len);
+-  Ustrncpy(result, srs_db_key, result_len);
 +       ret = srs_forward(srs, res, sizeof(res), sender, domain);
 +       if (ret != SRS_SUCCESS) {
 +               DEBUG(D_any)
@@ -247,6 +281,9 @@ $FreeBSD$
  {
 -  uschar *res;
 -
+-  if(srs_db_reverse == NULL)
+-    return SRS_RESULT_DBERROR;
+-
 -  srs_db_key = string_copyn(data, data_len);
 -  if((res = expand_string(srs_db_reverse)) == NULL)
 -    return SRS_RESULT_DBERROR;
diff --git a/mail/exim/files/patch-src_srs.h b/mail/exim/files/patch-src_srs.h
index 890cfc7c5edf..a40755249d89 100644
--- a/mail/exim/files/patch-src_srs.h
+++ b/mail/exim/files/patch-src_srs.h
@@ -20,7 +20,7 @@ $FreeBSD$
  int eximsrs_done();
  int eximsrs_forward(uschar **result, uschar *orig_sender, uschar *domain);
  int eximsrs_reverse(uschar **result, uschar *address);
--int eximsrs_db(BOOL reverse, uschar *srs_db);
+-int eximsrs_db_set(BOOL reverse, uschar *srs_db);
 -
 -srs_result eximsrs_db_insert(srs_t *srs, char *data, uint data_len, char *result, uint result_len);
 -srs_result eximsrs_db_lookup(srs_t *srs, char *data, uint data_len, char *result, uint result_len);