* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Michael Haardt 2003-2008 */
-/* 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. */
uschar ch;
size_t line;
+/* Two passes: one to count output allocation size, second
+to do the encoding */
+
for (pass=0; pass<=1; ++pass)
{
line=0;
for (start=src->character,end=start+src->length; start<end; ++start)
{
ch=*start;
- if (line>=73)
+ if (line>=73) /* line length limit */
{
if (pass==0)
dst->length+=2;
else
{
- *new++='=';
+ *new++='='; /* line split */
*new++='\n';
}
line=0;
}
- if
- (
- (ch>=33 && ch<=60)
- || (ch>=62 && ch<=126)
- ||
- (
- (ch==9 || ch==32)
- && start+2<end
- && (*(start+1)!='\r' || *(start+2)!='\n')
- )
- )
+ if ( (ch>='!' && ch<='<')
+ || (ch>='>' && ch<='~')
+ || ( (ch=='\t' || ch==' ')
+ && start+2<end
+ && (*(start+1)!='\r' || *(start+2)!='\n') /* CRLF */
+ )
+ )
{
if (pass==0)
++dst->length;
else
- *new++=*start;
+ *new++=*start; /* copy char */
++line;
}
- else if (ch=='\r' && start+1<end && *(start+1)=='\n')
+ else if (ch=='\r' && start+1<end && *(start+1)=='\n') /* CRLF */
{
if (pass==0)
- {
++dst->length;
- line=0;
- }
else
- *new++='\n';
- line=0;
- ++start;
+ *new++='\n'; /* NL */
+ line=0;
+ ++start; /* consume extra input char */
}
else
{
if (pass==0)
dst->length+=3;
else
- {
- sprintf(CS new,"=%02X",ch);
+ { /* encoded char */
+ new += sprintf(CS new,"=%02X",ch);
new+=3;
}
line+=3;
static int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, struct String *header, struct String *subject, struct String *body)
{
const uschar *start;
-struct String to,hname,hvalue;
+struct String to, hname;
+struct String hvalue = {.character = NULL, .length = 0};
int capacity;
string_item *new;
filter->errmsg=US "Unknown URI scheme";
return 0;
}
+
uri+=7;
if (*uri && *uri!='?')
for (;;)
if (uri>start)
{
capacity=0;
- to.character=(uschar*)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)
{
if (uri>start)
{
capacity=0;
- hname.character=(uschar*)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)
{
if (uri>start)
{
capacity=0;
- hvalue.character=(uschar*)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)
{
{
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';
}
}
{
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;
}
++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)
}
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 */
#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++;
}
}
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
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
}
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++;
}
}
-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 */
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)
{
message.character=US"Notification";
message.length=Ustrlen(message.character);
}
- /* Allocation is larger than neccessary, but enough even for split MIME words */
+ /* Allocation is larger than necessary, but enough even for split MIME words */
buffer_capacity=32+4*message.length;
buffer=store_get(buffer_capacity);
if (message.length!=-1) fprintf(f,"Subject: %s\n",parse_quote_2047(message.character, message.length, US"utf-8", buffer, buffer_capacity, TRUE));
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;
{
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 */
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
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 */
+ /* Allocation is larger than necessary, but enough even for split MIME words */
buffer_capacity=32+4*subject.length;
buffer=store_get(buffer_capacity);
/* deconst cast safe as we pass in a non-const item */
);
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
{
- struct String qp = { NULL, 0 }; /* Keep compiler happy (PH) */
+ struct String qp = { .character = NULL, .length = 0 }; /* Keep compiler happy (PH) */
capacity = 0;
start = reason.length;