X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/8d468c4c169a7519d5b172cc049b1d8cc7b1c343..c0b9d3e87264ae274b37116103ecc9e1d1b0c647:/src/src/sieve.c

diff --git a/src/src/sieve.c b/src/src/sieve.c
index 8f98aebab..e6dde77a6 100644
--- a/src/src/sieve.c
+++ b/src/src/sieve.c
@@ -2,8 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) Michael Haardt 2003 - 2015 */
-/* See the file NOTICE for conditions of use and distribution. */
+/* Copyright (c) Michael Haardt 2003 - 2015
+ * Copyright (c) The Exim Maintainers 2016
+ * See the file NOTICE for conditions of use and distribution.
+ */
 
 /* This code was contributed by Michael Haardt. */
 
@@ -431,7 +433,7 @@ if (*uri && *uri!='?')
       capacity=0;
       to.character= NULL;
       to.length=0;
-      to.character=string_cat(to.character,&capacity,&to.length,start,uri-start);
+      to.character=string_catn(to.character, &capacity, &to.length, start, uri-start);
       to.character[to.length]='\0';
       if (uri_decode(&to)==-1)
         {
@@ -465,7 +467,7 @@ if (*uri=='?')
       capacity=0;
       hname.character= NULL;
       hname.length=0;
-      hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start);
+      hname.character = string_catn(hname.character, &capacity, &hname.length, start, uri-start);
       hname.character[hname.length]='\0';
       if (uri_decode(&hname)==-1)
         {
@@ -488,7 +490,7 @@ if (*uri=='?')
       capacity=0;
       hvalue.character= NULL;
       hvalue.length=0;
-      hvalue.character=string_cat(hvalue.character,&capacity,&hvalue.length,start,uri-start);
+      hvalue.character=string_catn(hvalue.character,&capacity,&hvalue.length,start,uri-start);
       hvalue.character[hvalue.length]='\0';
       if (uri_decode(&hvalue)==-1)
         {
@@ -527,10 +529,10 @@ if (*uri=='?')
         {
         if (header->length==-1) header->length=0;
         capacity=header->length;
-        header->character=string_cat(header->character,&capacity,&header->length,hname.character,hname.length);
-        header->character=string_cat(header->character,&capacity,&header->length,CUS ": ",2);
-        header->character=string_cat(header->character,&capacity,&header->length,hvalue.character,hvalue.length);
-        header->character=string_cat(header->character,&capacity,&header->length,CUS "\n",1);
+        header->character=string_catn(header->character,&capacity,&header->length,hname.character,hname.length);
+        header->character=string_catn(header->character,&capacity,&header->length,CUS ": ",2);
+        header->character=string_catn(header->character,&capacity,&header->length,hvalue.character,hvalue.length);
+        header->character=string_catn(header->character,&capacity,&header->length,CUS "\n",1);
         header->character[header->length]='\0';
         }
       }
@@ -1004,24 +1006,24 @@ while (l)
     {
     case '\0':
       {
-      quoted=string_cat(quoted,&size,&ptr,CUS "\\0",2);
+      quoted=string_catn(quoted,&size,&ptr,CUS "\\0",2);
       break;
       }
     case '$':
     case '{':
     case '}':
       {
-      quoted=string_cat(quoted,&size,&ptr,CUS "\\",1);
+      quoted=string_catn(quoted,&size,&ptr,CUS "\\",1);
       }
     default:
       {
-      quoted=string_cat(quoted,&size,&ptr,h,1);
+      quoted=string_catn(quoted,&size,&ptr,h,1);
       }
     }
   ++h;
   --l;
   }
-quoted=string_cat(quoted,&size,&ptr,CUS "",1);
+quoted=string_catn(quoted,&size,&ptr,CUS "",1);
 return quoted;
 }
 
@@ -1485,7 +1487,7 @@ if (*filter->pc=='"') /* quoted string */
 
       ++filter->pc;
       /* that way, there will be at least one character allocated */
-      data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1);
+      data->character=string_catn(data->character,&dataCapacity,&foo,CUS "",1);
 #ifdef ENCODED_CHARACTER
       if (filter->require_encoded_character
           && string_decode(filter,data)==-1)
@@ -1495,7 +1497,7 @@ if (*filter->pc=='"') /* quoted string */
       }
     else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */
       {
-      data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc+1,1);
+      data->character=string_catn(data->character,&dataCapacity,&data->length,filter->pc+1,1);
       filter->pc+=2;
       }
     else /* regular character */
@@ -1505,11 +1507,11 @@ if (*filter->pc=='"') /* quoted string */
 #else
       if (*filter->pc=='\n')
         {
-        data->character=string_cat(data->character,&dataCapacity,&data->length,US"\r",1);
+        data->character=string_catn(data->character,&dataCapacity,&data->length,US"\r",1);
         ++filter->line;
         }
 #endif
-      data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1);
+      data->character=string_catn(data->character,&dataCapacity,&data->length,filter->pc,1);
       filter->pc++;
       }
     }
@@ -1551,7 +1553,7 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */
     if (*filter->pc=='\n') /* end of line */
 #endif
       {
-      data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "\r\n",2);
+      data->character=string_catn(data->character,&dataCapacity,&data->length,CUS "\r\n",2);
 #ifdef RFC_EOL
       filter->pc+=2;
 #else
@@ -1567,7 +1569,7 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */
         int foo=data->length;
 
         /* that way, there will be at least one character allocated */
-        data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1);
+        data->character=string_catn(data->character,&dataCapacity,&foo,CUS "",1);
 #ifdef RFC_EOL
         filter->pc+=3;
 #else
@@ -1583,13 +1585,13 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */
         }
       else if (*filter->pc=='.' && *(filter->pc+1)=='.') /* remove dot stuffing */
         {
-        data->character=string_cat(data->character,&dataCapacity,&data->length,CUS ".",1);
+        data->character=string_catn(data->character,&dataCapacity,&data->length,CUS ".",1);
         filter->pc+=2;
         }
       }
     else /* regular character */
       {
-      data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1);
+      data->character=string_catn(data->character,&dataCapacity,&data->length,filter->pc,1);
       filter->pc++;
       }
     }
@@ -1702,12 +1704,13 @@ Returns:      1                success
               -1               no string list found
 */
 
-static int parse_stringlist(struct Sieve *filter, struct String **data)
+static int
+parse_stringlist(struct Sieve *filter, struct String **data)
 {
 const uschar *orig=filter->pc;
-int dataCapacity=0;
-int dataLength=0;
-struct String *d=(struct String*)0;
+int dataCapacity = 0;
+int dataLength = 0;
+struct String *d = NULL;
 int m;
 
 if (*filter->pc=='[') /* string list */
@@ -1716,20 +1719,18 @@ if (*filter->pc=='[') /* string list */
   for (;;)
     {
     if (parse_white(filter)==-1) goto error;
-    if ((dataLength+1)>=dataCapacity) /* increase buffer */
+    if (dataLength+1 >= dataCapacity) /* increase buffer */
       {
       struct String *new;
       int newCapacity;          /* Don't amalgamate with next line; some compilers grumble */
-      newCapacity=dataCapacity?(dataCapacity*=2):(dataCapacity=4);
-      if ((new=(struct String*)store_get(sizeof(struct String)*newCapacity))==(struct String*)0)
-        {
-        filter->errmsg=CUstrerror(errno);
-        goto error;
-        }
+
+      dataCapacity = dataCapacity ? dataCapacity * 2 : 4;
+      new = store_get(sizeof(struct String) * dataCapacity);
+
       if (d) memcpy(new,d,sizeof(struct String)*dataLength);
-      d=new;
-      dataCapacity=newCapacity;
+      d = new;
       }
+
     m=parse_string(filter,&d[dataLength]);
     if (m==0)
       {
@@ -3295,10 +3296,10 @@ while (*filter->pc)
         capacity=0;
         if (handle.length==-1)
           {
-          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);
+          if (subject.length!=-1) key.character=string_catn(key.character,&capacity,&key.length,subject.character,subject.length);
+          if (from.length!=-1) key.character=string_catn(key.character,&capacity,&key.length,from.character,from.length);
+          key.character=string_catn(key.character,&capacity,&key.length,reason_is_mime?US"1":US"0",1);
+          key.character=string_catn(key.character,&capacity,&key.length,reason.character,reason.length);
           }
         else
           key=handle;
@@ -3313,8 +3314,8 @@ while (*filter->pc)
           {
           capacity=Ustrlen(filter->vacation_directory);
           start=capacity;
-          once=string_cat(filter->vacation_directory,&capacity,&start,US"/",1);
-          once=string_cat(once,&capacity,&start,hexdigest,33);
+          once=string_catn(filter->vacation_directory,&capacity,&start,US"/",1);
+          once=string_catn(once,&capacity,&start,hexdigest,33);
           once[start] = '\0';
 
           /* process subject */
@@ -3329,7 +3330,7 @@ while (*filter->pc)
               expand_header(&subject,&str_subject);
               capacity=6;
               start=6;
-              subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length);
+              subject.character=string_catn(US"Auto: ",&capacity,&start,subject.character,subject.length);
               subject.length=start;
               }
             else
@@ -3376,13 +3377,13 @@ while (*filter->pc)
               );
             capacity = 0;
             start = 0;
-            addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character);
+            addr->reply->headers = string_catn(NULL,&capacity,&start,reason.character,mime_body-reason.character);
             addr->reply->headers[start] = '\0';
             capacity = 0;
             start = 0;
             if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=(sizeof(nlnl)-1);
             else mime_body=reason_end-1;
-            addr->reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body);
+            addr->reply->text = string_catn(NULL,&capacity,&start,mime_body,reason_end-mime_body);
             addr->reply->text[start] = '\0';
             }
           else