* 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 - 2018
+ * See the file NOTICE for conditions of use and distribution.
+ */
/* This code was contributed by Michael Haardt. */
#include "exim.h"
#if HAVE_ICONV
-#include <iconv.h>
+# include <iconv.h>
#endif
/* Define this for RFC compliant \r\n end-of-line terminators. */
struct Notification *next;
};
+/* This should be a complete list of supported extensions, so that an external
+ManageSieve (RFC 5804) program can interrogate the current Exim binary for the
+list of extensions and provide correct information to a client.
+
+We'll emit the list in the order given here; keep it alphabetically sorted, so
+that callers don't get surprised.
+
+List *MUST* end with a NULL. Which at least makes ifdef-vs-comma easier. */
+
+const uschar *exim_sieve_extension_list[] = {
+ CUS"comparator-i;ascii-numeric",
+ CUS"copy",
+#ifdef ENCODED_CHARACTER
+ CUS"encoded-character",
+#endif
+#ifdef ENOTIFY
+ CUS"enotify",
+#endif
+ CUS"envelope",
+#ifdef ENVELOPE_AUTH
+ CUS"envelope-auth",
+#endif
+ CUS"fileinto",
+#ifdef SUBADDRESS
+ CUS"subaddress",
+#endif
+#ifdef VACATION
+ CUS"vacation",
+#endif
+ NULL
+};
+
static int eq_asciicase(const struct String *needle, const struct String *haystack, int match_prefix);
static int parse_test(struct Sieve *filter, int *cond, int exec);
static int parse_commands(struct Sieve *filter, int exec, address_item **generated);
static const struct String str_cc={ str_cc_c, 2 };
static uschar str_bcc_c[]="Bcc";
static const struct String str_bcc={ str_bcc_c, 3 };
+#ifdef ENVELOPE_AUTH
static uschar str_auth_c[]="auth";
static const struct String str_auth={ str_auth_c, 4 };
+#endif
static uschar str_sender_c[]="Sender";
static const struct String str_sender={ str_sender_c, 6 };
static uschar str_resent_from_c[]="Resent-From";
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);
- new+=3;
+ { /* encoded char */
+ new += sprintf(CS new,"=%02X",ch);
}
line+=3;
}
-1 syntax error
*/
-static int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, struct String *header, struct String *subject, struct String *body)
+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;
-int capacity;
+struct String to, hname;
+struct String hvalue = {.character = NULL, .length = 0};
string_item *new;
if (Ustrncmp(uri,"mailto:",7))
filter->errmsg=US "Unknown URI scheme";
return 0;
}
+
uri+=7;
if (*uri && *uri!='?')
for (;;)
for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri);
if (uri>start)
{
- capacity=0;
- to.character=(uschar*)0;
- to.length=0;
- to.character=string_cat(to.character,&capacity,&to.length,start,uri-start);
- to.character[to.length]='\0';
+ gstring * g = string_catn(NULL, start, uri-start);
+
+ to.character = string_from_gstring(g);
+ to.length = g->ptr;
if (uri_decode(&to)==-1)
{
filter->errmsg=US"Invalid URI encoding";
return -1;
}
- new=store_get(sizeof(string_item));
- new->text=store_get(to.length+1);
- if (to.length) memcpy(new->text,to.character,to.length);
- new->text[to.length]='\0';
- new->next=*recipient;
- *recipient=new;
+ new=store_get(sizeof(string_item));
+ new->text=store_get(to.length+1);
+ if (to.length) memcpy(new->text,to.character,to.length);
+ new->text[to.length]='\0';
+ new->next=*recipient;
+ *recipient=new;
}
else
{
for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri);
if (uri>start)
{
- capacity=0;
- hname.character=(uschar*)0;
- hname.length=0;
- hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start);
- hname.character[hname.length]='\0';
+ gstring * g = string_catn(NULL, start, uri-start);
+
+ hname.character = string_from_gstring(g);
+ hname.length = g->ptr;
if (uri_decode(&hname)==-1)
{
filter->errmsg=US"Invalid URI encoding";
for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri);
if (uri>start)
{
- capacity=0;
- hvalue.character=(uschar*)0;
- hvalue.length=0;
- hvalue.character=string_cat(hvalue.character,&capacity,&hvalue.length,start,uri-start);
- hvalue.character[hvalue.length]='\0';
+ gstring * g = string_catn(NULL, start, uri-start);
+
+ hname.character = string_from_gstring(g);
+ hname.length = g->ptr;
if (uri_decode(&hvalue)==-1)
{
filter->errmsg=US"Invalid URI encoding";
for (i=ignore; i<end && !eq_asciicase(&hname,i,0); ++i);
if (i==end)
{
- 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[header->length]='\0';
+ gstring * g;
+
+ if (header->length==-1) header->length = 0;
+
+ g = string_catn(NULL, header->character, header->length);
+ g = string_catn(g, hname.character, hname.length);
+ g = string_catn(g, CUS ": ", 2);
+ g = string_catn(g, hvalue.character, hvalue.length);
+ g = string_catn(g, CUS "\n", 1);
+
+ header->character = string_from_gstring(g);
+ header->length = g->ptr;
}
}
if (*uri=='&') ++uri;
Returns: quoted string
*/
-static const uschar *quote(const struct String *header)
+static const uschar *
+quote(const struct String *header)
{
-uschar *quoted=NULL;
-int size=0,ptr=0;
+gstring * quoted = NULL;
size_t l;
const uschar *h;
switch (*h)
{
case '\0':
- {
- quoted=string_cat(quoted,&size,&ptr,CUS "\\0",2);
+ quoted = string_catn(quoted, CUS "\\0", 2);
break;
- }
case '$':
case '{':
case '}':
- {
- quoted=string_cat(quoted,&size,&ptr,CUS "\\",1);
- }
+ quoted = string_catn(quoted, CUS "\\", 1);
default:
- {
- quoted=string_cat(quoted,&size,&ptr,h,1);
- }
+ quoted = string_catn(quoted, h, 1);
}
++h;
--l;
}
-quoted=string_cat(quoted,&size,&ptr,CUS "",1);
-return quoted;
+quoted = string_catn(quoted, CUS "", 1);
+return string_from_gstring(quoted);
}
Returns: nothing
*/
-static void add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage)
+static void
+add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage)
{
address_item *new_addr;
for (new_addr=*generated; new_addr; new_addr=new_addr->next)
- {
- if (Ustrcmp(new_addr->address,addr)==0 && (file ? testflag(new_addr, af_pfr|af_file) : 1))
+ if ( Ustrcmp(new_addr->address,addr) == 0
+ && ( !file
+ || testflag(new_addr, af_pfr)
+ || testflag(new_addr, af_file)
+ )
+ )
{
if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
- {
debug_printf("Repeated %s `%s' ignored.\n",file ? "fileinto" : "redirect", addr);
- }
+
return;
}
- }
if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
- {
debug_printf("%s `%s'\n",file ? "fileinto" : "redirect", addr);
- }
-new_addr=deliver_make_addr(addr,TRUE);
+
+new_addr = deliver_make_addr(addr,TRUE);
if (file)
{
- setflag(new_addr, af_pfr|af_file);
+ setflag(new_addr, af_pfr);
+ setflag(new_addr, af_file);
new_addr->mode = 0;
}
-new_addr->p.errors_address = NULL;
+new_addr->prop.errors_address = NULL;
new_addr->next = *generated;
*generated = new_addr;
}
0 identifier not matched
*/
-static int parse_string(struct Sieve *filter, struct String *data)
+static int
+parse_string(struct Sieve *filter, struct String *data)
{
-int dataCapacity=0;
+gstring * g = NULL;
+
+data->length = 0;
+data->character = NULL;
-data->length=0;
-data->character=(uschar*)0;
if (*filter->pc=='"') /* quoted string */
{
++filter->pc;
{
if (*filter->pc=='"') /* end of string */
{
- int foo=data->length;
-
++filter->pc;
+
+ if (g)
+ {
+ data->character = string_from_gstring(g);
+ data->length = g->ptr;
+ }
+ else
+ data->character = US"\0";
/* that way, there will be at least one character allocated */
- data->character=string_cat(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);
+ g = string_catn(g, 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);
+ g = string_catn(g, US"\r", 1);
++filter->line;
}
#endif
- data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1);
+ g = string_catn(g, 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);
+ g = string_catn(g, CUS "\r\n", 2);
#ifdef RFC_EOL
filter->pc+=2;
#else
if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */
#endif
{
- int foo=data->length;
+ if (g)
+ {
+ data->character = string_from_gstring(g);
+ data->length = g->ptr;
+ }
+ else
+ data->character = US"\0";
+ /* that way, there will be at least one character allocated */
- /* that way, there will be at least one character allocated */
- data->character=string_cat(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);
+ g = string_catn(g, CUS ".", 1);
filter->pc+=2;
}
}
else /* regular character */
{
- data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1);
+ g = string_catn(g, 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)
{
filter->errmsg=CUS "header string expansion failed";
return -1;
}
- parse_allow_group = TRUE;
+ f.parse_allow_group = TRUE;
while (*header_value && !*cond)
{
uschar *error;
if (saveend == 0) break;
header_value = end_addr + 1;
}
- parse_allow_group = FALSE;
- parse_found_group = FALSE;
+ f.parse_allow_group = FALSE;
+ f.parse_found_group = FALSE;
}
}
return 1;
1 other success
-1 syntax or execution error
*/
-static int parse_commands(struct Sieve *filter, int exec,
- address_item **generated)
+static int
+parse_commands(struct Sieve *filter, int exec, address_item **generated)
{
while (*filter->pc)
{
int m;
struct String from;
struct String importance;
- struct String *options;
struct String message;
struct String method;
struct Notification *already;
from.length=-1;
importance.character=(uschar*)0;
importance.length=-1;
- options=(struct String*)0;
message.character=(uschar*)0;
message.length=-1;
recipient=NULL;
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));
if (exec)
{
address_item *addr;
- int capacity,start;
uschar *buffer;
int buffer_capacity;
- struct String key;
md5 base;
uschar digest[16];
uschar hexdigest[33];
int i;
- uschar *once;
+ gstring * once;
if (filter_personal(aliases,TRUE))
{
}
/* build oncelog filename */
- key.character=(uschar*)0;
- key.length=0;
- capacity=0;
+ md5_start(&base);
+
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);
+ gstring * key = NULL;
+ if (subject.length!=-1) key =string_catn(key, subject.character, subject.length);
+ if (from.length!=-1) key = string_catn(key, from.character, from.length);
+ key = string_catn(key, reason_is_mime?US"1":US"0", 1);
+ key = string_catn(key, reason.character, reason.length);
+ md5_end(&base, key->s, key->ptr, digest);
}
else
- key=handle;
- md5_start(&base);
- md5_end(&base, key.character, key.length, digest);
+ md5_end(&base, handle.character, handle.length, digest);
+
for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]);
+
if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
- {
debug_printf("Sieve: mail was personal, vacation file basename: %s\n", hexdigest);
- }
+
if (filter_test == FTEST_NONE)
{
- 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[start] = '\0';
+ once = string_cat (NULL, filter->vacation_directory);
+ once = string_catn(once, US"/", 1);
+ once = string_catn(once, hexdigest, 33);
/* process subject */
subject_def=expand_string(US"${if def:header_subject {true}{false}}");
if (Ustrcmp(subject_def,"true")==0)
{
+ gstring * g = string_catn(NULL, US"Auto: ", 6);
+
expand_header(&subject,&str_subject);
- capacity=6;
- start=6;
- subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length);
- subject.length=start;
+ g = string_catn(g, subject.character, subject.length);
+ subject.character = string_from_gstring(g);
+ subject.length = g->ptr;
}
else
{
addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE);
setflag(addr, af_pfr);
- setflag(addr, af_ignore_error);
+ addr->prop.ignore_error = TRUE;
addr->next = *generated;
*generated = addr;
addr->reply = store_get(sizeof(reply_item));
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);
- addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE);
- addr->reply->oncelog=once;
+ /* deconst cast safe as we pass in a non-const item */
+ addr->reply->subject = US parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE);
+ addr->reply->oncelog = string_from_gstring(once);
addr->reply->once_repeat=days*86400;
/* build body and MIME headers */
for
(
- mime_body=reason.character,reason_end=reason.character+reason.length;
- mime_body<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1));
+ mime_body = reason.character, reason_end = reason.character + reason.length;
+ mime_body < (reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body, nlnl, (sizeof(nlnl)-1));
++mime_body
);
- capacity = 0;
- start = 0;
- addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character);
- addr->reply->headers[start] = '\0';
- capacity = 0;
- start = 0;
+
+ addr->reply->headers = string_copyn(reason.character, mime_body-reason.character);
+
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[start] = '\0';
+ addr->reply->text = string_copyn(mime_body, reason_end-mime_body);
}
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;
addr->reply->headers = US"MIME-Version: 1.0\n"
"Content-Type: text/plain;\n"
"\tcharset=\"utf-8\"\n"
}
}
else if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
- {
debug_printf("Sieve: mail was not personal, vacation would ignore it\n");
- }
}
}
else break;
-1 syntax or execution error
*/
-static int parse_start(struct Sieve *filter, int exec,
- address_item **generated)
+static int
+parse_start(struct Sieve *filter, int exec, address_item **generated)
{
filter->pc=filter->filter;
filter->line=1;
git://git.exim.org / users / jgh / exim.git / blobdiff