ratelimit fix: omit the limit parameter from the database lookup
[exim.git] / src / src / sieve.c
index abe0d37f323631fd4b9ddb995c8270fd5eb5750e..2a680e17525293d42fe0dda25f39248f5923a485 100644 (file)
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/sieve.c,v 1.8 2005/03/01 10:21:44 ph10 Exp $ */
+/* $Cambridge: exim/src/src/sieve.c,v 1.11 2005/05/03 10:02:27 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) Michael Haardt 2003,2004 */
+/* Copyright (c) Michael Haardt 2003-2005 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* This code was contributed by Michael Haardt. */
@@ -61,6 +61,8 @@ struct Sieve
   int vacation_ran;
 #endif
   uschar *vacation_directory;
+  const uschar *subaddress;
+  const uschar *useraddress;
   int require_copy;
   int require_iascii_numeric;
   };
@@ -1711,10 +1713,8 @@ if (parse_identifier(filter,CUS "address"))
           case ADDRPART_LOCALPART: part=extracted_addr; part[domain-1]='\0'; break;
           case ADDRPART_DOMAIN: part=extracted_addr+domain; break;
 #ifdef SUBADDRESS
-          case ADDRPART_DETAIL:
-          part=NULL;
+          case ADDRPART_DETAIL: part=NULL; break;
 #endif
-          break;
           }
 
         *end_addr = saveend;
@@ -2019,9 +2019,7 @@ else if (parse_identifier(filter,CUS "envelope"))
         case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$sender_address}"; break;
         case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$sender_address}"; break;
 #ifdef SUBADDRESS
-        case ADDRPART_DETAIL:
-        envelopeExpr=CUS 0;
-        break;
+        case ADDRPART_DETAIL: envelopeExpr=CUS 0; break;
 #endif
         }
       }
@@ -2031,8 +2029,8 @@ else if (parse_identifier(filter,CUS "envelope"))
         {
         case ADDRPART_ALL: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix@$domain"; break;
 #ifdef SUBADDRESS
-        case ADDRPART_USER: envelopeExpr=CUS "$local_part_prefix$local_part"; break;
-        case ADDRPART_DETAIL: envelopeExpr=CUS "$local_part_suffix"; break;
+        case ADDRPART_USER: envelopeExpr=filter->useraddress; break;
+        case ADDRPART_DETAIL: envelopeExpr=filter->subaddress; break;
 #endif
         case ADDRPART_LOCALPART: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix"; break;
         case ADDRPART_DOMAIN: envelopeExpr=CUS "$domain"; break;
@@ -2056,7 +2054,7 @@ else if (parse_identifier(filter,CUS "envelope"))
 
         envelopeStr.character=envelope;
         envelopeStr.length=Ustrlen(envelope);
-        *cond=compare(filter,&envelopeStr,k,comparator,matchType);
+        *cond=compare(filter,k,&envelopeStr,comparator,matchType);
         if (*cond==-1) return -1;
         if (*cond) break;
         }
@@ -2366,17 +2364,21 @@ while (*filter->pc)
     /*
     vacation-command =  "vacation" { vacation-options } <reason: string> ";"
     vacation-options =  [":days" number]
-                        [":addresses" string-list]
                         [":subject" string]
+                        [":from" string]
+                        [":addresses" string-list]
                         [":mime"]
+                        [":handle" string]
     */
 
     int m;
     unsigned long days;
-    struct String *addresses;
     struct String subject;
+    struct String from;
+    struct String *addresses;
     int reason_is_mime;
     string_item *aliases;
+    struct String handle;
     struct String reason;
 
     if (!filter->require_vacation)
@@ -2394,11 +2396,15 @@ while (*filter->pc)
       filter->vacation_ran=1;
       }
     days=VACATION_MIN_DAYS>7 ? VACATION_MIN_DAYS : 7;
-    addresses=(struct String*)0;
     subject.character=(uschar*)0;
     subject.length=-1;
+    from.character=(uschar*)0;
+    from.length=-1;
+    addresses=(struct String*)0;
     aliases=NULL;
     reason_is_mime=0;
+    handle.character=(uschar*)0;
+    handle.length=-1;
     for (;;)
       {
       if (parse_white(filter)==-1) return -1;
@@ -2409,6 +2415,43 @@ while (*filter->pc)
         if (days<VACATION_MIN_DAYS) days=VACATION_MIN_DAYS;
         else if (days>VACATION_MAX_DAYS) days=VACATION_MAX_DAYS;
         }
+      else if (parse_identifier(filter,CUS ":subject")==1)
+        {
+        if (parse_white(filter)==-1) return -1;
+        if ((m=parse_string(filter,&subject))!=1)
+          {
+          if (m==0) filter->errmsg=CUS "subject string expected";
+          return -1;
+          }
+        }
+      else if (parse_identifier(filter,CUS ":from")==1)
+        {
+        int start, end, domain;
+        uschar *error,*ss;
+
+        if (parse_white(filter)==-1) return -1;
+        if ((m=parse_string(filter,&from))!=1)
+          {
+          if (m==0) filter->errmsg=CUS "from string expected";
+          return -1;
+          }
+        if (from.length>0)
+          {
+          ss = parse_extract_address(from.character, &error, &start, &end, &domain,
+            FALSE);
+          if (ss == NULL)
+            {
+            filter->errmsg=string_sprintf("malformed address \"%s\" in "
+              "Sieve filter: %s", from.character, error);
+            return -1;
+            }
+          }
+        else
+          {
+          filter->errmsg=CUS "empty :from address in Sieve filter";
+          return -1;
+          }
+        }
       else if (parse_identifier(filter,CUS ":addresses")==1)
         {
         struct String *a;
@@ -2431,17 +2474,17 @@ while (*filter->pc)
           aliases=new;
           }
         }
-      else if (parse_identifier(filter,CUS ":subject")==1)
+      else if (parse_identifier(filter,CUS ":mime")==1)
+        reason_is_mime=1;
+      else if (parse_identifier(filter,CUS ":handle")==1)
         {
         if (parse_white(filter)==-1) return -1;
-        if ((m=parse_string(filter,&subject))!=1)
+        if ((m=parse_string(filter,&from))!=1)
           {
-          if (m==0) filter->errmsg=CUS "subject string expected";
+          if (m==0) filter->errmsg=CUS "handle string expected";
           return -1;
           }
         }
-      else if (parse_identifier(filter,CUS ":mime")==1)
-        reason_is_mime=1;
       else break;
       }
     if (parse_white(filter)==-1) return -1;
@@ -2459,7 +2502,6 @@ while (*filter->pc)
       uschar *buffer;
       int buffer_capacity;
       struct String key;
-      struct String *a;
       md5 base;
       uschar digest[16];
       uschar hexdigest[33];
@@ -2479,14 +2521,15 @@ while (*filter->pc)
         key.character=(uschar*)0;
         key.length=0;
         capacity=0;
-        if (subject.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,subject.character,subject.length);
-        key.character=string_cat(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1);
-        key.character=string_cat(key.character,&capacity,&key.length,reason.character,reason.length);
-        if (addresses!=(struct String*)0) for (a=addresses; a->length!=-1; ++a)
+        if (handle.length==-1)
           {
-          key.character=string_cat(key.character,&capacity,&key.length,US":",1);
-          key.character=string_cat(key.character,&capacity,&key.length,a->character,a->length);
+          if (subject.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,subject.character,subject.length);
+          if (from.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,from.character,from.length);
+          key.character=string_cat(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1);
+          key.character=string_cat(key.character,&capacity,&key.length,reason.character,reason.length);
           }
+        else
+          key=handle;
         md5_start(&base);
         md5_end(&base, key.character, key.length, digest);
         for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]);
@@ -2528,7 +2571,10 @@ while (*filter->pc)
           addr->reply = store_get(sizeof(reply_item));
           memset(addr->reply,0,sizeof(reply_item)); /* XXX */
           addr->reply->to = string_copy(sender_address);
-          addr->reply->from = expand_string(US"$local_part@$domain");
+          if (from.length==-1)
+            addr->reply->from = expand_string(US"$local_part@$domain");
+          else
+            addr->reply->from = from.character;
           /* Allocation is larger than neccessary, but enough even for split MIME words */
           buffer_capacity=16+4*subject.length;
           buffer=store_get(buffer_capacity);
@@ -2724,6 +2770,8 @@ Arguments:
   options     controls whether various special things are allowed, and requests
               special actions (not currently used)
   sieve_vacation_directory  where to store vacation "once" files
+  useraddress string expression for :user part of address
+  subaddress  string expression for :subaddress part of address
   generated   where to hang newly-generated addresses
   error       where to pass back an error text
 
@@ -2737,7 +2785,7 @@ Returns:      FF_DELIVERED     success, a significant action was taken
 
 int
 sieve_interpret(uschar *filter, int options, uschar *vacation_directory,
-  address_item **generated, uschar **error)
+  uschar *useraddress, uschar *subaddress, address_item **generated, uschar **error)
 {
 struct Sieve sieve;
 int r;
@@ -2763,6 +2811,9 @@ else
     }
   }
 
+sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress;
+sieve.subaddress = subaddress;
+
 #ifdef COMPILE_SYNTAX_CHECKER
 if (parse_start(&sieve,0,generated)==1)
 #else