-/* $Cambridge: exim/src/src/sieve.c,v 1.13 2005/08/30 10:55:52 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Michael Haardt 2003-2005 */
-/* See the file NOTICE for conditions of use and distribution. */
+/* Copyright (c) Michael Haardt 2003 - 2015
+ * Copyright (c) The Exim Maintainers 2016 - 2020
+ * 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. */
/* Undefine it for UNIX-style \n end-of-line terminators (default). */
#undef RFC_EOL
-/* Define this for development of the subaddress Sieve extension. */
+/* Define this for development of the Sieve extension "encoded-character". */
+#define ENCODED_CHARACTER
+
+/* Define this for development of the Sieve extension "envelope-auth". */
+#undef ENVELOPE_AUTH
+
+/* Define this for development of the Sieve extension "enotify". */
+#define ENOTIFY
+
+/* Define this for the Sieve extension "subaddress". */
#define SUBADDRESS
-/* Define this for the vacation Sieve extension. */
+/* Define this for the Sieve extension "vacation". */
#define VACATION
/* Must be >= 1 */
int keep;
int require_envelope;
int require_fileinto;
+#ifdef ENCODED_CHARACTER
+ int require_encoded_character;
+#endif
+#ifdef ENVELOPE_AUTH
+ int require_envelope_auth;
+#endif
+#ifdef ENOTIFY
+ int require_enotify;
+ struct Notification *notified;
+#endif
+ uschar *enotify_mailto_owner;
#ifdef SUBADDRESS
int require_subaddress;
#endif
int length;
};
+struct Notification
+ {
+ struct String method;
+ struct String importance;
+ struct String message;
+ 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";
static const struct String str_fileinto={ str_fileinto_c, 8 };
static uschar str_envelope_c[]="envelope";
static const struct String str_envelope={ str_envelope_c, 8 };
+#ifdef ENCODED_CHARACTER
+static uschar str_encoded_character_c[]="encoded-character";
+static const struct String str_encoded_character={ str_encoded_character_c, 17 };
+#endif
+#ifdef ENVELOPE_AUTH
+static uschar str_envelope_auth_c[]="envelope-auth";
+static const struct String str_envelope_auth={ str_envelope_auth_c, 13 };
+#endif
+#ifdef ENOTIFY
+static uschar str_enotify_c[]="enotify";
+static const struct String str_enotify={ str_enotify_c, 7 };
+static uschar str_online_c[]="online";
+static const struct String str_online={ str_online_c, 6 };
+static uschar str_maybe_c[]="maybe";
+static const struct String str_maybe={ str_maybe_c, 5 };
+static uschar str_auto_submitted_c[]="Auto-Submitted";
+static const struct String str_auto_submitted={ str_auto_submitted_c, 14 };
+#endif
#ifdef SUBADDRESS
static uschar str_subaddress_c[]="subaddress";
static const struct String str_subaddress={ str_subaddress_c, 10 };
/*
Arguments:
src UTF-8 string
+ dst US-ASCII string
+
+Returns
+ dst
*/
-static struct String *quoted_printable_encode(const struct String *src, struct String *dst)
+static struct String *
+quoted_printable_encode(const struct String *src, struct String *dst)
{
-int pass;
-const uschar *start,*end;
uschar *new = NULL;
uschar ch;
size_t line;
-for (pass=0; pass<=1; ++pass)
+/* Two passes: one to count output allocation size, second
+to do the encoding */
+
+for (int pass = 0; pass <= 1; pass++)
{
line=0;
if (pass==0)
dst->length=0;
else
{
- dst->character=store_get(dst->length+1); /* plus one for \0 */
+ dst->character = store_get(dst->length+1, is_tainted(src->character)); /* plus one for \0 */
new=dst->character;
}
- for (start=src->character,end=start+src->length; start<end; ++start)
+ for (const uschar * 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)
-#ifdef RFC_EOL
- && start+2<end
- && (*(start+1)!='\r' || *(start+2)!='\n')
-#else
- && start+1<end
- && *(start+1)!='\n'
-#endif
- )
- )
+ 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;
}
-#ifdef RFC_EOL
- 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;
- ++start;
- }
else
- *new++='\n';
- line=0;
- }
-#else
- else if (ch=='\n')
- {
- if (pass==0)
- ++dst->length;
- else
- *new++=*start;
- ++line;
+ *new++='\n'; /* NL */
+ line=0;
+ ++start; /* consume extra input char */
}
-#endif
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;
}
}
+/*************************************************
+* Check mail address for correct syntax *
+*************************************************/
+
+/*
+Check mail address for being syntactically correct.
+
+Arguments:
+ filter points to the Sieve filter including its state
+ address String containing one address
+
+Returns
+ 1 Mail address is syntactically OK
+ -1 syntax error
+*/
+
+int check_mail_address(struct Sieve *filter, const struct String *address)
+{
+int start, end, domain;
+uschar *error,*ss;
+
+if (address->length>0)
+ {
+ ss = parse_extract_address(address->character, &error, &start, &end, &domain,
+ FALSE);
+ if (!ss)
+ {
+ filter->errmsg=string_sprintf("malformed address \"%s\" (%s)",
+ address->character, error);
+ return -1;
+ }
+ else
+ return 1;
+ }
+else
+ {
+ filter->errmsg=CUS "empty address";
+ return -1;
+ }
+}
+
+
+/*************************************************
+* Decode URI encoded string *
+*************************************************/
+
+/*
+Arguments:
+ str URI encoded string
+
+Returns
+ 0 Decoding successful
+ -1 Encoding error
+*/
+
+#ifdef ENOTIFY
+static int
+uri_decode(struct String *str)
+{
+uschar *s,*t,*e;
+
+if (str->length==0) return 0;
+for (s=str->character,t=s,e=s+str->length; s<e; )
+ if (*s=='%')
+ {
+ if (s+2<e && isxdigit(*(s+1)) && isxdigit(*(s+2)))
+ {
+ *t++=((isdigit(*(s+1)) ? *(s+1)-'0' : tolower(*(s+1))-'a'+10)<<4)
+ | (isdigit(*(s+2)) ? *(s+2)-'0' : tolower(*(s+2))-'a'+10);
+ s+=3;
+ }
+ else return -1;
+ }
+ else
+ *t++=*s++;
+
+*t='\0';
+str->length=t-str->character;
+return 0;
+}
+
+
+/*************************************************
+* Parse mailto URI *
+*************************************************/
+
+/*
+Parse mailto-URI.
+
+ mailtoURI = "mailto:" [ to ] [ headers ]
+ to = [ addr-spec *("%2C" addr-spec ) ]
+ headers = "?" header *( "&" header )
+ header = hname "=" hvalue
+ hname = *urlc
+ hvalue = *urlc
+
+Arguments:
+ filter points to the Sieve filter including its state
+ uri URI, excluding scheme
+ recipient
+ body
+
+Returns
+ 1 URI is syntactically OK
+ 0 Unknown URI scheme
+ -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)
+{
+const uschar *start;
+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 (;;)
+ {
+ /* match to */
+ for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri);
+ if (uri>start)
+ {
+ 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), FALSE);
+ new->text = store_get(to.length+1, is_tainted(to.character));
+ if (to.length) memcpy(new->text, to.character, to.length);
+ new->text[to.length]='\0';
+ new->next=*recipient;
+ *recipient=new;
+ }
+ else
+ {
+ filter->errmsg=US"Missing addr-spec in URI";
+ return -1;
+ }
+ if (*uri=='%') uri+=3;
+ else break;
+ }
+if (*uri=='?')
+ {
+ ++uri;
+ for (;;)
+ {
+ /* match hname */
+ for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri);
+ if (uri>start)
+ {
+ gstring * g = string_catn(NULL, start, uri-start);
+
+ hname.character = string_from_gstring(g);
+ hname.length = g->ptr;
+ if (uri_decode(&hname)==-1)
+ {
+ filter->errmsg=US"Invalid URI encoding";
+ return -1;
+ }
+ }
+ /* match = */
+ if (*uri=='=')
+ ++uri;
+ else
+ {
+ filter->errmsg=US"Missing equal after hname";
+ return -1;
+ }
+ /* match hvalue */
+ for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri);
+ if (uri>start)
+ {
+ 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";
+ return -1;
+ }
+ }
+ if (hname.length==2 && strcmpic(hname.character, US"to")==0)
+ {
+ new=store_get(sizeof(string_item), FALSE);
+ new->text = store_get(hvalue.length+1, is_tainted(hvalue.character));
+ if (hvalue.length) memcpy(new->text, hvalue.character, hvalue.length);
+ new->text[hvalue.length]='\0';
+ new->next=*recipient;
+ *recipient=new;
+ }
+ else if (hname.length==4 && strcmpic(hname.character, US"body")==0)
+ *body=hvalue;
+ else if (hname.length==7 && strcmpic(hname.character, US"subject")==0)
+ *subject=hvalue;
+ else
+ {
+ static struct String ignore[]=
+ {
+ {US"date",4},
+ {US"from",4},
+ {US"message-id",10},
+ {US"received",8},
+ {US"auto-submitted",14}
+ };
+ static struct String *end=ignore+sizeof(ignore)/sizeof(ignore[0]);
+ struct String *i;
+
+ for (i=ignore; i<end && !eq_asciicase(&hname,i,0); ++i);
+ if (i==end)
+ {
+ 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;
+ else break;
+ }
+ }
+if (*uri)
+ {
+ filter->errmsg=US"Syntactically invalid URI";
+ return -1;
+ }
+return 1;
+}
+#endif
+
+
/*************************************************
* Octet-wise string comparison *
*************************************************/
/*
Arguments:
- needle pattern to search ...
- haystack ... inside the haystack
+ needle pattern to search ...
+ haystack ... inside the haystack
+ ascii_caseless ignore ASCII case
+ match_octet match octets, not UTF-8 multi-octet characters
Returns: 0 needle not found in haystack
1 needle found
*/
static int eq_glob(const struct String *needle,
- const struct String *haystack, int ascii_caseless)
+ const struct String *haystack, int ascii_caseless, int match_octet)
{
const uschar *n,*h,*nend,*hend;
int may_advance=0;
case '?':
{
if (hpart==hend) return 0;
- /* watch out: Do not match one character, but one UTF8 encoded character */
- if ((*hpart&0xc0)==0xc0)
- {
+ if (match_octet)
++hpart;
- while (hpart<hend && ((*hpart&0xc0)==0x80)) ++hpart;
- }
else
- ++hpart;
+ {
+ /* Match one UTF8 encoded character */
+ if ((*hpart&0xc0)==0xc0)
+ {
+ ++hpart;
+ while (hpart<hend && ((*hpart&0xc0)==0x80)) ++hpart;
+ }
+ else
+ ++hpart;
+ }
++npart;
break;
}
/*
Arguments:
+ filter points to the Sieve filter including its state
needle UTF-8 pattern or string to search ...
haystack ... inside the haystack
co comparator to use
switch (mt)
{
case MATCH_IS:
- {
switch (co)
{
case COMP_OCTET:
- {
if (eq_octet(needle,haystack,0)) r=1;
break;
- }
case COMP_EN_ASCII_CASEMAP:
- {
if (eq_asciicase(needle,haystack,0)) r=1;
break;
- }
case COMP_ASCII_NUMERIC:
- {
if (!filter->require_iascii_numeric)
{
filter->errmsg=CUS "missing previous require \"comparator-i;ascii-numeric\";";
}
if (eq_asciinumeric(needle,haystack,EQ)) r=1;
break;
- }
}
break;
- }
+
case MATCH_CONTAINS:
{
struct String h;
switch (co)
{
case COMP_OCTET:
- {
- for (h=*haystack; h.length; ++h.character,--h.length) if (eq_octet(needle,&h,1)) { r=1; break; }
+ for (h = *haystack; h.length; ++h.character,--h.length)
+ if (eq_octet(needle,&h,1)) { r=1; break; }
break;
- }
case COMP_EN_ASCII_CASEMAP:
- {
- for (h=*haystack; h.length; ++h.character,--h.length) if (eq_asciicase(needle,&h,1)) { r=1; break; }
+ for (h = *haystack; h.length; ++h.character, --h.length)
+ if (eq_asciicase(needle,&h,1)) { r=1; break; }
break;
- }
default:
- {
filter->errmsg=CUS "comparator does not offer specified matchtype";
return -1;
- }
}
break;
}
+
case MATCH_MATCHES:
- {
switch (co)
{
case COMP_OCTET:
- {
- if ((r=eq_glob(needle,haystack,0))==-1)
+ if ((r=eq_glob(needle,haystack,0,1))==-1)
{
filter->errmsg=CUS "syntactically invalid pattern";
return -1;
}
break;
- }
case COMP_EN_ASCII_CASEMAP:
- {
- if ((r=eq_glob(needle,haystack,1))==-1)
+ if ((r=eq_glob(needle,haystack,1,1))==-1)
{
filter->errmsg=CUS "syntactically invalid pattern";
return -1;
}
break;
- }
default:
- {
filter->errmsg=CUS "comparator does not offer specified matchtype";
return -1;
- }
}
break;
- }
}
if ((filter_test != FTEST_NONE && debug_selector != 0) ||
(debug_selector & D_filter) != 0)
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);
}
*************************************************/
/*
-According to RFC 3028, duplicate delivery to the same address must
+According to RFC 5228, duplicate delivery to the same address must
not happen, so the list is first searched for the address.
Arguments:
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))
+for (new_addr = *generated; new_addr; new_addr = new_addr->next)
+ 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;
}
*************************************************/
/*
+Unfold the header field as described in RFC 2822 and remove all
+leading and trailing white space, then perform MIME decoding and
+translate the header field to UTF-8.
+
Arguments:
value returned value of the field
header name of the header field
value->length=0;
value->character=(uschar*)0;
-t=r=s=expand_string(string_sprintf("$rheader_%s",quote(header)));
-while (*r==' ') ++r;
+t = r = s = expand_string(string_sprintf("$rheader_%s",quote(header)));
+if (!t) return;
+while (*r==' ' || *r=='\t') ++r;
while (*r)
{
if (*r=='\n')
- {
++r;
- while (*r==' ' || *r=='\t') ++r;
- if (*r) *t++=' ';
- }
else
*t++=*r++;
}
-*t++='\0';
-value->character=rfc2047_decode(s,TRUE,US"utf-8",'\0',&value->length,&errmsg);
+while (t>s && (*(t-1)==' ' || *(t-1)=='\t')) --t;
+*t='\0';
+value->character=rfc2047_decode(s,check_rfc2047_length,US"utf-8",'\0',&value->length,&errmsg);
}
}
+#ifdef ENCODED_CHARACTER
+/*************************************************
+* Decode hex-encoded-character string *
+*************************************************/
+
+/*
+Encoding definition:
+ blank = SP / TAB / CRLF
+ hex-pair-seq = *blank hex-pair *(1*blank hex-pair) *blank
+ hex-pair = 1*2HEXDIG
+
+Arguments:
+ src points to a hex-pair-seq
+ end points to its end
+ dst points to the destination of the decoded octets,
+ optionally to (uschar*)0 for checking only
+
+Returns: >=0 number of decoded octets
+ -1 syntax error
+*/
+
+static int hex_decode(uschar *src, uschar *end, uschar *dst)
+{
+int decoded=0;
+
+while (*src==' ' || *src=='\t' || *src=='\n') ++src;
+do
+ {
+ int x,d,n;
+
+ for (x = 0, d = 0;
+ d<2 && src<end && isxdigit(n=tolower(*src));
+ x=(x<<4)|(n>='0' && n<='9' ? n-'0' : 10+(n-'a')) ,++d, ++src) ;
+ if (d==0) return -1;
+ if (dst) *dst++=x;
+ ++decoded;
+ if (src==end) return decoded;
+ if (*src==' ' || *src=='\t' || *src=='\n')
+ while (*src==' ' || *src=='\t' || *src=='\n') ++src;
+ else
+ return -1;
+ }
+while (src<end);
+return decoded;
+}
+
+
+/*************************************************
+* Decode unicode-encoded-character string *
+*************************************************/
+
+/*
+Encoding definition:
+ blank = SP / TAB / CRLF
+ unicode-hex-seq = *blank unicode-hex *(blank unicode-hex) *blank
+ unicode-hex = 1*HEXDIG
+
+ It is an error for a script to use a hexadecimal value that isn't in
+ either the range 0 to D7FF or the range E000 to 10FFFF.
+
+ At this time, strings are already scanned, thus the CRLF is converted
+ to the internally used \n (should RFC_EOL have been used).
+
+Arguments:
+ src points to a unicode-hex-seq
+ end points to its end
+ dst points to the destination of the decoded octets,
+ optionally to (uschar*)0 for checking only
+
+Returns: >=0 number of decoded octets
+ -1 syntax error
+ -2 semantic error (character range violation)
+*/
+
+static int
+unicode_decode(uschar *src, uschar *end, uschar *dst)
+{
+int decoded=0;
+
+while (*src==' ' || *src=='\t' || *src=='\n') ++src;
+do
+ {
+ uschar *hex_seq;
+ int c,d,n;
+
+ unicode_hex:
+ for (hex_seq = src; src < end && *src=='0'; ) src++;
+ for (c = 0, d = 0;
+ d < 7 && src < end && isxdigit(n=tolower(*src));
+ c=(c<<4)|(n>='0' && n<='9' ? n-'0' : 10+(n-'a')), ++d, ++src) ;
+ if (src == hex_seq) return -1;
+ if (d==7 || (!((c>=0 && c<=0xd7ff) || (c>=0xe000 && c<=0x10ffff)))) return -2;
+ if (c<128)
+ {
+ if (dst) *dst++=c;
+ ++decoded;
+ }
+ else if (c>=0x80 && c<=0x7ff)
+ {
+ if (dst)
+ {
+ *dst++=192+(c>>6);
+ *dst++=128+(c&0x3f);
+ }
+ decoded+=2;
+ }
+ else if (c>=0x800 && c<=0xffff)
+ {
+ if (dst)
+ {
+ *dst++=224+(c>>12);
+ *dst++=128+((c>>6)&0x3f);
+ *dst++=128+(c&0x3f);
+ }
+ decoded+=3;
+ }
+ else if (c>=0x10000 && c<=0x1fffff)
+ {
+ if (dst)
+ {
+ *dst++=240+(c>>18);
+ *dst++=128+((c>>10)&0x3f);
+ *dst++=128+((c>>6)&0x3f);
+ *dst++=128+(c&0x3f);
+ }
+ decoded+=4;
+ }
+ if (*src==' ' || *src=='\t' || *src=='\n')
+ {
+ while (*src==' ' || *src=='\t' || *src=='\n') ++src;
+ if (src==end) return decoded;
+ goto unicode_hex;
+ }
+ }
+while (src<end);
+return decoded;
+}
+
+
+/*************************************************
+* Decode encoded-character string *
+*************************************************/
+
+/*
+Encoding definition:
+ encoded-arb-octets = "${hex:" hex-pair-seq "}"
+ encoded-unicode-char = "${unicode:" unicode-hex-seq "}"
+
+Arguments:
+ encoded points to an encoded string, returns decoded string
+ filter points to the Sieve filter including its state
+
+Returns: 1 success
+ -1 syntax error
+*/
+
+static int string_decode(struct Sieve *filter, struct String *data)
+{
+uschar *src,*dst,*end;
+
+src=data->character;
+dst=src;
+end=data->character+data->length;
+while (src<end)
+ {
+ uschar *brace;
+
+ if (
+ strncmpic(src,US "${hex:",6)==0
+ && (brace=Ustrchr(src+6,'}'))!=(uschar*)0
+ && (hex_decode(src+6,brace,(uschar*)0))>=0
+ )
+ {
+ dst+=hex_decode(src+6,brace,dst);
+ src=brace+1;
+ }
+ else if (
+ strncmpic(src,US "${unicode:",10)==0
+ && (brace=Ustrchr(src+10,'}'))!=(uschar*)0
+ )
+ {
+ switch (unicode_decode(src+10,brace,(uschar*)0))
+ {
+ case -2:
+ {
+ filter->errmsg=CUS "unicode character out of range";
+ return -1;
+ }
+ case -1:
+ {
+ *dst++=*src++;
+ break;
+ }
+ default:
+ {
+ dst+=unicode_decode(src+10,brace,dst);
+ src=brace+1;
+ }
+ }
+ }
+ else *dst++=*src++;
+ }
+ data->length=dst-data->character;
+ *dst='\0';
+return 1;
+}
+#endif
+
+
/*************************************************
-* Parse a optional string *
+* Parse an optional string *
*************************************************/
/*
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;
- data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1);
+
+ 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 */
+
+#ifdef ENCODED_CHARACTER
+ if (filter->require_encoded_character
+ && string_decode(filter,data)==-1)
+ return -1;
+#endif
return 1;
}
else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */
{
- if (*(filter->pc+1)=='0') data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "",1);
- else 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 */
{
- data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1);
+#ifdef RFC_EOL
+ if (*filter->pc=='\r' && *(filter->pc+1)=='\n') ++filter->line;
+#else
+ if (*filter->pc=='\n')
+ {
+ g = string_catn(g, US"\r", 1);
+ ++filter->line;
+ }
+#endif
+ 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
{
- data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "",1);
+ 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 */
+
#ifdef RFC_EOL
filter->pc+=3;
#else
filter->pc+=2;
#endif
++filter->line;
+#ifdef ENCODED_CHARACTER
+ if (filter->require_encoded_character
+ && string_decode(filter,data)==-1)
+ return -1;
+#endif
return 1;
}
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++;
}
}
{
size_t idlen=Ustrlen(id);
- if (Ustrncmp(filter->pc,id,idlen)==0)
+ if (strncmpic(US filter->pc,US id,idlen)==0)
{
uschar next=filter->pc[idlen];
-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, FALSE);
+
if (d) memcpy(new,d,sizeof(struct String)*dataLength);
- d=new;
- dataCapacity=newCapacity;
+ d = new;
}
+
m=parse_string(filter,&d[dataLength]);
if (m==0)
{
}
else /* single string */
{
- if ((d=store_get(sizeof(struct String)*2))==(struct String*)0)
- {
+ if (!(d=store_get(sizeof(struct String)*2, FALSE)))
return -1;
- }
+
m=parse_string(filter,&d[0]);
if (m==-1)
- {
return -1;
- }
+
else if (m==0)
{
filter->pc=orig;
Arguments:
filter points to the Sieve filter including its state
n total number of tests
- true number of passed tests
+ num_true number of passed tests
exec Execute parsed statements
Returns: 1 success
-1 syntax or execution error
*/
-static int parse_testlist(struct Sieve *filter, int *n, int *true, int exec)
+static int parse_testlist(struct Sieve *filter, int *n, int *num_true, int exec)
{
if (parse_white(filter)==-1) return -1;
if (*filter->pc=='(')
{
++filter->pc;
*n=0;
- *true=0;
+ *num_true=0;
for (;;)
{
int cond;
{
case -1: return -1;
case 0: filter->errmsg=CUS "missing test"; return -1;
- default: ++*n; if (cond) ++*true; break;
+ default: ++*n; if (cond) ++*num_true; break;
}
if (parse_white(filter)==-1) return -1;
if (*filter->pc==',') ++filter->pc;
-1 syntax or execution error
*/
-static int parse_test(struct Sieve *filter, int *cond, int exec)
+static int
+parse_test(struct Sieve *filter, int *cond, int exec)
{
if (parse_white(filter)==-1) return -1;
if (parse_identifier(filter,CUS "address"))
enum AddressPart addressPart=ADDRPART_ALL;
enum Comparator comparator=COMP_EN_ASCII_CASEMAP;
enum MatchType matchType=MATCH_IS;
- struct String *hdr,*h,*key,*k;
+ struct String *hdr,*key;
int m;
int ap=0,co=0,mt=0;
return -1;
}
*cond=0;
- for (h=hdr; h->length!=-1 && !*cond; ++h)
+ for (struct String * h = hdr; h->length!=-1 && !*cond; ++h)
{
uschar *header_value=(uschar*)0,*extracted_addr,*end_addr;
if (exec)
{
/* We are only interested in addresses below, so no MIME decoding */
- header_value=expand_string(string_sprintf("$rheader_%s",quote(h)));
- if (header_value == NULL)
+ if (!(header_value = expand_string(string_sprintf("$rheader_%s",quote(h)))))
{
filter->errmsg=CUS "header string expansion failed";
return -1;
}
- parse_allow_group = TRUE;
+ f.parse_allow_group = TRUE;
while (*header_value && !*cond)
{
uschar *error;
*end_addr = saveend;
if (part)
{
- for (k=key; k->length!=-1; ++k)
+ for (struct String * k = key; k->length !=- 1; ++k)
{
- struct String partStr;
+ struct String partStr = {.character = part, .length = Ustrlen(part)};
- partStr.character=part;
- partStr.length=Ustrlen(part);
if (extracted_addr)
{
*cond=compare(filter,k,&partStr,comparator,matchType);
if (saveend == 0) break;
header_value = end_addr + 1;
}
+ f.parse_allow_group = FALSE;
+ f.parse_found_group = FALSE;
}
}
return 1;
allof-test = "allof" <tests: test-list>
*/
- int n,true;
+ int n,num_true;
- switch (parse_testlist(filter,&n,&true,exec))
+ switch (parse_testlist(filter,&n,&num_true,exec))
{
case -1: return -1;
case 0: filter->errmsg=CUS "missing test list"; return -1;
- default: *cond=(n==true); return 1;
+ default: *cond=(n==num_true); return 1;
}
}
else if (parse_identifier(filter,CUS "anyof"))
anyof-test = "anyof" <tests: test-list>
*/
- int n,true;
+ int n,num_true;
- switch (parse_testlist(filter,&n,&true,exec))
+ switch (parse_testlist(filter,&n,&num_true,exec))
{
case -1: return -1;
case 0: filter->errmsg=CUS "missing test list"; return -1;
- default: *cond=(true>0); return 1;
+ default: *cond=(num_true>0); return 1;
}
}
else if (parse_identifier(filter,CUS "exists"))
exists-test = "exists" <header-names: string-list>
*/
- struct String *hdr,*h;
+ struct String *hdr;
int m;
if (parse_white(filter)==-1) return -1;
if (exec)
{
*cond=1;
- for (h=hdr; h->length!=-1 && *cond; ++h)
+ for (struct String * h = hdr; h->length != -1 && *cond; ++h)
{
uschar *header_def;
- header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h)));
- if (header_def == NULL)
+ header_def = expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h)));
+ if (!header_def)
{
filter->errmsg=CUS "header string expansion failed";
return -1;
enum Comparator comparator=COMP_EN_ASCII_CASEMAP;
enum MatchType matchType=MATCH_IS;
- struct String *hdr,*h,*key,*k;
+ struct String *hdr,*key;
int m;
int co=0,mt=0;
return -1;
}
*cond=0;
- for (h=hdr; h->length!=-1 && !*cond; ++h)
+ for (struct String * h = hdr; h->length != -1 && !*cond; ++h)
{
if (!is_header(h))
{
uschar *header_def;
expand_header(&header_value,h);
- header_def=expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h)));
- if (header_value.character == NULL || header_def == NULL)
+ header_def = expand_string(string_sprintf("${if def:header_%s {true}{false}}",quote(h)));
+ if (!header_value.character || !header_def)
{
filter->errmsg=CUS "header string expansion failed";
return -1;
}
- for (k=key; k->length!=-1; ++k)
- {
+ for (struct String * k = key; k->length != -1; ++k)
if (Ustrcmp(header_def,"true")==0)
{
*cond=compare(filter,k,&header_value,comparator,matchType);
if (*cond==-1) return -1;
if (*cond) break;
}
- }
}
}
return 1;
<envelope-part: string-list> <key-list: string-list>
envelope-part is case insensitive "from" or "to"
+#ifdef ENVELOPE_AUTH
+ envelope-part =/ "auth"
+#endif
*/
enum Comparator comparator=COMP_EN_ASCII_CASEMAP;
enum AddressPart addressPart=ADDRPART_ALL;
enum MatchType matchType=MATCH_IS;
- struct String *env,*e,*key,*k;
+ struct String *env,*key;
int m;
int co=0,ap=0,mt=0;
return -1;
}
*cond=0;
- for (e=env; e->character; ++e)
+ for (struct String * e = env; e->length != -1 && !*cond; ++e)
{
const uschar *envelopeExpr=CUS 0;
uschar *envelope=US 0;
case ADDRPART_DOMAIN: envelopeExpr=CUS "$domain"; break;
}
}
+#ifdef ENVELOPE_AUTH
+ else if (eq_asciicase(e,&str_auth,0))
+ {
+ switch (addressPart)
+ {
+ case ADDRPART_ALL: envelopeExpr=CUS "$authenticated_sender"; break;
+#ifdef SUBADDRESS
+ case ADDRPART_USER:
+#endif
+ case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$authenticated_sender}"; break;
+ case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$authenticated_sender}"; break;
+#ifdef SUBADDRESS
+ case ADDRPART_DETAIL: envelopeExpr=CUS 0; break;
+#endif
+ }
+ }
+#endif
else
{
filter->errmsg=CUS "invalid envelope string";
}
if (exec && envelopeExpr)
{
- if ((envelope=expand_string(US envelopeExpr)) == NULL)
+ if (!(envelope=expand_string(US envelopeExpr)))
{
filter->errmsg=CUS "header string expansion failed";
return -1;
}
- for (k=key; k->length!=-1; ++k)
+ for (struct String * k = key; k->length != -1; ++k)
{
- struct String envelopeStr;
+ struct String envelopeStr = {.character = envelope, .length = Ustrlen(envelope)};
- envelopeStr.character=envelope;
- envelopeStr.length=Ustrlen(envelope);
*cond=compare(filter,k,&envelopeStr,comparator,matchType);
if (*cond==-1) return -1;
if (*cond) break;
}
return 1;
}
+#ifdef ENOTIFY
+else if (parse_identifier(filter,CUS "valid_notify_method"))
+ {
+ /*
+ valid_notify_method = "valid_notify_method"
+ <notification-uris: string-list>
+ */
+
+ struct String *uris;
+ int m;
+
+ if (!filter->require_enotify)
+ {
+ filter->errmsg=CUS "missing previous require \"enotify\";";
+ return -1;
+ }
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_stringlist(filter,&uris))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "URI string list expected";
+ return -1;
+ }
+ if (exec)
+ {
+ *cond=1;
+ for (struct String * u = uris; u->length != -1 && *cond; ++u)
+ {
+ string_item *recipient;
+ struct String header,subject,body;
+
+ recipient=NULL;
+ header.length=-1;
+ header.character=(uschar*)0;
+ subject.length=-1;
+ subject.character=(uschar*)0;
+ body.length=-1;
+ body.character=(uschar*)0;
+ if (parse_mailto_uri(filter,u->character,&recipient,&header,&subject,&body)!=1)
+ *cond=0;
+ }
+ }
+ return 1;
+ }
+else if (parse_identifier(filter,CUS "notify_method_capability"))
+ {
+ /*
+ notify_method_capability = "notify_method_capability" [COMPARATOR] [MATCH-TYPE]
+ <notification-uri: string>
+ <notification-capability: string>
+ <key-list: string-list>
+ */
+
+ int m;
+ int co=0,mt=0;
+
+ enum Comparator comparator=COMP_EN_ASCII_CASEMAP;
+ enum MatchType matchType=MATCH_IS;
+ struct String uri,capa,*keys;
+
+ if (!filter->require_enotify)
+ {
+ filter->errmsg=CUS "missing previous require \"enotify\";";
+ return -1;
+ }
+ for (;;)
+ {
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_comparator(filter,&comparator))!=0)
+ {
+ if (m==-1) return -1;
+ if (co)
+ {
+ filter->errmsg=CUS "comparator already specified";
+ return -1;
+ }
+ else co=1;
+ }
+ else if ((m=parse_matchtype(filter,&matchType))!=0)
+ {
+ if (m==-1) return -1;
+ if (mt)
+ {
+ filter->errmsg=CUS "match type already specified";
+ return -1;
+ }
+ else mt=1;
+ }
+ else break;
+ }
+ if ((m=parse_string(filter,&uri))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "missing notification URI string";
+ return -1;
+ }
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&capa))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "missing notification capability string";
+ return -1;
+ }
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_stringlist(filter,&keys))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "missing key string list";
+ return -1;
+ }
+ if (exec)
+ {
+ string_item *recipient;
+ struct String header,subject,body;
+
+ *cond=0;
+ recipient=NULL;
+ header.length=-1;
+ header.character=(uschar*)0;
+ subject.length=-1;
+ subject.character=(uschar*)0;
+ body.length=-1;
+ body.character=(uschar*)0;
+ if (parse_mailto_uri(filter,uri.character,&recipient,&header,&subject,&body)==1)
+ if (eq_asciicase(&capa,&str_online,0)==1)
+ for (struct String * k = keys; k->length != -1; ++k)
+ {
+ *cond=compare(filter,k,&str_maybe,comparator,matchType);
+ if (*cond==-1) return -1;
+ if (*cond) break;
+ }
+ }
+ return 1;
+ }
+#endif
else return 0;
}
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)
{
filter->errmsg=CUS "missing test";
return -1;
}
+ if ((filter_test != FTEST_NONE && debug_selector != 0) ||
+ (debug_selector & D_filter) != 0)
+ {
+ if (exec) debug_printf("if %s\n",cond?"true":"false");
+ }
m=parse_block(filter,exec ? cond : 0, generated);
if (m==-1 || m==2) return m;
if (m==0)
filter->errmsg=CUS "missing test";
return -1;
}
+ if ((filter_test != FTEST_NONE && debug_selector != 0) ||
+ (debug_selector & D_filter) != 0)
+ {
+ if (exec) debug_printf("elsif %s\n",cond?"true":"false");
+ }
m=parse_block(filter,exec && unsuccessful ? cond : 0, generated);
if (m==-1 || m==2) return m;
if (m==0)
fileinto-command = "fileinto" { fileinto-options } string ";"
fileinto-options =
fileinto-options =) [ ":copy" ]
- */
+ */
struct String folder;
uschar *s;
}
if (parse_semicolon(filter)==-1) return -1;
}
+#ifdef ENOTIFY
+ else if (parse_identifier(filter,CUS "notify"))
+ {
+ /*
+ notify-command = "notify" { notify-options } <method: string> ";"
+ notify-options = [":from" string]
+ [":importance" <"1" / "2" / "3">]
+ [":options" 1*(string-list / number)]
+ [":message" string]
+ */
+
+ int m;
+ struct String from;
+ struct String importance;
+ struct String message;
+ struct String method;
+ struct Notification *already;
+ string_item *recipient;
+ struct String header;
+ struct String subject;
+ struct String body;
+ uschar *envelope_from;
+ struct String auto_submitted_value;
+ uschar *auto_submitted_def;
+
+ if (!filter->require_enotify)
+ {
+ filter->errmsg=CUS "missing previous require \"enotify\";";
+ return -1;
+ }
+ from.character=(uschar*)0;
+ from.length=-1;
+ importance.character=(uschar*)0;
+ importance.length=-1;
+ message.character=(uschar*)0;
+ message.length=-1;
+ recipient=NULL;
+ header.length=-1;
+ header.character=(uschar*)0;
+ subject.length=-1;
+ subject.character=(uschar*)0;
+ body.length=-1;
+ body.character=(uschar*)0;
+ envelope_from = sender_address && sender_address[0]
+ ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : US "";
+ if (!envelope_from)
+ {
+ filter->errmsg=CUS "expansion failure for envelope from";
+ return -1;
+ }
+ for (;;)
+ {
+ if (parse_white(filter)==-1) return -1;
+ if (parse_identifier(filter,CUS ":from")==1)
+ {
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&from))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "from string expected";
+ return -1;
+ }
+ }
+ else if (parse_identifier(filter,CUS ":importance")==1)
+ {
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&importance))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "importance string expected";
+ return -1;
+ }
+ if (importance.length!=1 || importance.character[0]<'1' || importance.character[0]>'3')
+ {
+ filter->errmsg=CUS "invalid importance";
+ return -1;
+ }
+ }
+ else if (parse_identifier(filter,CUS ":options")==1)
+ {
+ if (parse_white(filter)==-1) return -1;
+ }
+ else if (parse_identifier(filter,CUS ":message")==1)
+ {
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&message))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "message string expected";
+ return -1;
+ }
+ }
+ else break;
+ }
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&method))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "missing method string";
+ return -1;
+ }
+ if (parse_semicolon(filter)==-1) return -1;
+ if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1)
+ return -1;
+ if (exec)
+ {
+ if (message.length==-1) message=subject;
+ if (message.length==-1) expand_header(&message,&str_subject);
+ expand_header(&auto_submitted_value,&str_auto_submitted);
+ auto_submitted_def=expand_string(US"${if def:header_auto-submitted {true}{false}}");
+ if (!auto_submitted_value.character || !auto_submitted_def)
+ {
+ filter->errmsg=CUS "header string expansion failed";
+ return -1;
+ }
+ if (Ustrcmp(auto_submitted_def,"true")!=0 || Ustrcmp(auto_submitted_value.character,"no")==0)
+ {
+ for (already=filter->notified; already; already=already->next)
+ {
+ if (already->method.length==method.length
+ && (method.length==-1 || Ustrcmp(already->method.character,method.character)==0)
+ && already->importance.length==importance.length
+ && (importance.length==-1 || Ustrcmp(already->importance.character,importance.character)==0)
+ && already->message.length==message.length
+ && (message.length==-1 || Ustrcmp(already->message.character,message.character)==0))
+ break;
+ }
+ if (!already)
+ /* New notification, process it */
+ {
+ struct Notification * sent = store_get(sizeof(struct Notification), FALSE);
+ sent->method=method;
+ sent->importance=importance;
+ sent->message=message;
+ sent->next=filter->notified;
+ filter->notified=sent;
+ #ifndef COMPILE_SYNTAX_CHECKER
+ if (filter_test == FTEST_NONE)
+ {
+ int pid, fd;
+
+ if ((pid = child_open_exim2(&fd, envelope_from, envelope_from,
+ US"sieve-notify")) >= 1)
+ {
+ FILE *f;
+ uschar *buffer;
+ int buffer_capacity;
+
+ f = fdopen(fd, "wb");
+ fprintf(f,"From: %s\n", from.length == -1
+ ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain")
+ : from.character);
+ for (string_item * p = recipient; p; p=p->next)
+ fprintf(f,"To: %s\n",p->text);
+ fprintf(f,"Auto-Submitted: auto-notified; %s\n",filter->enotify_mailto_owner);
+ if (header.length>0) fprintf(f,"%s",header.character);
+ if (message.length==-1)
+ {
+ message.character=US"Notification";
+ message.length=Ustrlen(message.character);
+ }
+ /* Allocation is larger than necessary, but enough even for split MIME words */
+ buffer_capacity = 32 + 4*message.length;
+ buffer=store_get(buffer_capacity, TRUE);
+ if (message.length != -1)
+ fprintf(f, "Subject: %s\n", parse_quote_2047(message.character,
+ message.length, US"utf-8", buffer, buffer_capacity, TRUE));
+ fprintf(f,"\n");
+ if (body.length>0) fprintf(f,"%s\n",body.character);
+ fflush(f);
+ (void)fclose(f);
+ (void)child_close(pid, 0);
+ }
+ }
+ if ((filter_test != FTEST_NONE && debug_selector != 0) || debug_selector & D_filter)
+ debug_printf("Notification to `%s': '%s'.\n",method.character,message.length!=-1 ? message.character : CUS "");
+#endif
+ }
+ else
+ if ((filter_test != FTEST_NONE && debug_selector != 0) || debug_selector & D_filter)
+ debug_printf("Repeated notification to `%s' ignored.\n",method.character);
+ }
+ else
+ if ((filter_test != FTEST_NONE && debug_selector != 0) || debug_selector & D_filter)
+ debug_printf("Ignoring notification, triggering message contains Auto-submitted: field.\n");
+ }
+ }
+#endif
#ifdef VACATION
else if (parse_identifier(filter,CUS "vacation"))
{
}
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";
+ if (check_mail_address(filter,&from)!=1)
return -1;
- }
}
else if (parse_identifier(filter,CUS ":addresses")==1)
{
- struct String *a;
-
if (parse_white(filter)==-1) return -1;
if ((m=parse_stringlist(filter,&addresses))!=1)
{
if (m==0) filter->errmsg=CUS "addresses string list expected";
return -1;
}
- for (a=addresses; a->length!=-1; ++a)
+ for (struct String * a = addresses; a->length != -1; ++a)
{
- string_item *new;
+ string_item * new = store_get(sizeof(string_item), FALSE);
- new=store_get(sizeof(string_item));
- new->text=store_get(a->length+1);
+ new->text = store_get(a->length+1, is_tainted(a->character));
if (a->length) memcpy(new->text,a->character,a->length);
new->text[a->length]='\0';
new->next=aliases;
{
uschar *s,*end;
- for (s=reason.character,end=reason.character+reason.length; s<end && (*s&0x80)==0; ++s);
+ for (s = reason.character, end = reason.character + reason.length;
+ s<end && (*s&0x80)==0; ) s++;
if (s<end)
{
filter->errmsg=CUS "MIME reason string contains 8bit text";
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);
- for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]);
- if (filter_test != FTEST_NONE)
- {
+ md5_end(&base, handle.character, handle.length, digest);
+
+ for (int 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);
- }
- else
+
+ 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 */
if (subject.length==-1)
{
- expand_header(&subject,&str_subject);
- capacity=6;
- start=6;
- subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length);
- subject.length=start;
+ uschar *subject_def;
+
+ subject_def = expand_string(US"${if def:header_subject {true}{false}}");
+ if (subject_def && Ustrcmp(subject_def,"true")==0)
+ {
+ gstring * g = string_catn(NULL, US"Auto: ", 6);
+
+ expand_header(&subject,&str_subject);
+ g = string_catn(g, subject.character, subject.length);
+ subject.character = string_from_gstring(g);
+ subject.length = g->ptr;
+ }
+ else
+ {
+ subject.character=US"Automated reply";
+ subject.length=Ustrlen(subject.character);
+ }
}
/* add address to list of generated addresses */
addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE);
setflag(addr, af_pfr);
- setflag(addr, af_ignore_error);
+ addr->prop.ignore_error = TRUE;
addr->next = *generated;
*generated = addr;
- addr->reply = store_get(sizeof(reply_item));
+ addr->reply = store_get(sizeof(reply_item), FALSE);
memset(addr->reply,0,sizeof(reply_item)); /* XXX */
addr->reply->to = string_copy(sender_address);
if (from.length==-1)
addr->reply->from = expand_string(US"$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);
- addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity);
- addr->reply->oncelog=once;
+ /* Allocation is larger than necessary, but enough even for split MIME words */
+ buffer_capacity=32+4*subject.length;
+ buffer = store_get(buffer_capacity, is_tainted(subject.character));
+ /* 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 */
if (reason_is_mime)
{
uschar *mime_body,*reason_end;
-#ifdef RFC_EOL
static const uschar nlnl[]="\r\n\r\n";
-#else
- static const uschar nlnl[]="\n\n";
-#endif
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
- );
- 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;
- if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=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++;
+
+ 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;
+ 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)
- {
+ 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;
filter->keep=1;
filter->require_envelope=0;
filter->require_fileinto=0;
+#ifdef ENCODED_CHARACTER
+filter->require_encoded_character=0;
+#endif
+#ifdef ENVELOPE_AUTH
+filter->require_envelope_auth=0;
+#endif
+#ifdef ENOTIFY
+filter->require_enotify=0;
+filter->notified=(struct Notification*)0;
+#endif
#ifdef SUBADDRESS
filter->require_subaddress=0;
#endif
/* clean up old vacation log databases */
- oncelogdir=opendir(CS filter->vacation_directory);
-
- if (oncelogdir ==(DIR*)0 && errno != ENOENT)
+ if ( !(oncelogdir = exim_opendir(filter->vacation_directory))
+ && errno != ENOENT)
{
- filter->errmsg=CUS "unable to open vacation directory";
+ filter->errmsg = CUS "unable to open vacation directory";
return -1;
}
- if (oncelogdir != NULL)
+ if (oncelogdir)
{
time(&now);
- while ((oncelog=readdir(oncelogdir))!=(struct dirent*)0)
- {
+ while ((oncelog = readdir(oncelogdir)))
if (strlen(oncelog->d_name)==32)
{
- uschar *s=string_sprintf("%s/%s",filter->vacation_directory,oncelog->d_name);
+ uschar *s = string_sprintf("%s/%s",filter->vacation_directory,oncelog->d_name);
if (Ustat(s,&properties)==0 && (properties.st_mtime+VACATION_MAX_DAYS*86400)<now)
Uunlink(s);
}
- }
closedir(oncelogdir);
}
}
require-command = "require" <capabilities: string-list>
*/
- struct String *cap,*check;
+ struct String *cap;
int m;
if (parse_white(filter)==-1) return -1;
if (m==0) filter->errmsg=CUS "capability string list expected";
return -1;
}
- for (check=cap; check->character; ++check)
+ for (struct String * check = cap; check->character; ++check)
{
if (eq_octet(check,&str_envelope,0)) filter->require_envelope=1;
else if (eq_octet(check,&str_fileinto,0)) filter->require_fileinto=1;
+#ifdef ENCODED_CHARACTER
+ else if (eq_octet(check,&str_encoded_character,0)) filter->require_encoded_character=1;
+#endif
+#ifdef ENVELOPE_AUTH
+ else if (eq_octet(check,&str_envelope_auth,0)) filter->require_envelope_auth=1;
+#endif
+#ifdef ENOTIFY
+ else if (eq_octet(check,&str_enotify,0))
+ {
+ if (filter->enotify_mailto_owner == NULL)
+ {
+ filter->errmsg=CUS "enotify disabled";
+ return -1;
+ }
+ filter->require_enotify=1;
+ }
+#endif
#ifdef SUBADDRESS
else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1;
#endif
filter points to the entire file, read into store as a single string
options controls whether various special things are allowed, and requests
special actions (not currently used)
- sieve_vacation_directory where to store vacation "once" files
+ vacation_directory where to store vacation "once" files
+ enotify_mailto_owner owner of mailto notifications
useraddress string expression for :user part of address
subaddress string expression for :subaddress part of address
generated where to hang newly-generated addresses
int
sieve_interpret(uschar *filter, int options, uschar *vacation_directory,
- uschar *useraddress, uschar *subaddress, address_item **generated, uschar **error)
+ uschar *enotify_mailto_owner, uschar *useraddress, uschar *subaddress,
+ address_item **generated, uschar **error)
{
struct Sieve sieve;
int r;
error = error;
DEBUG(D_route) debug_printf("Sieve: start of processing\n");
-sieve.filter=filter;
+sieve.filter = filter;
-if (vacation_directory == NULL)
+if (!vacation_directory)
sieve.vacation_directory = NULL;
else
{
- sieve.vacation_directory=expand_string(vacation_directory);
- if (sieve.vacation_directory == NULL)
+ if (!(sieve.vacation_directory = expand_string(vacation_directory)))
{
*error = string_sprintf("failed to expand \"%s\" "
"(sieve_vacation_directory): %s", vacation_directory,
}
}
-sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress;
+if (!enotify_mailto_owner)
+ sieve.enotify_mailto_owner = NULL;
+else
+ {
+ if (!(sieve.enotify_mailto_owner = expand_string(enotify_mailto_owner)))
+ {
+ *error = string_sprintf("failed to expand \"%s\" "
+ "(sieve_enotify_mailto_owner): %s", enotify_mailto_owner,
+ expand_string_message);
+ return FF_ERROR;
+ }
+ }
+
+sieve.useraddress = useraddress
+ ? useraddress : CUS "$local_part_prefix$local_part$local_part_suffix";
sieve.subaddress = subaddress;
#ifdef COMPILE_SYNTAX_CHECKER
if (sieve.keep)
{
add_addr(generated,US"inbox",1,0,0,0);
- msg = string_sprintf("Implicit keep");
+ msg = US"Implicit keep";
r = FF_DELIVERED;
}
else
{
- msg = string_sprintf("No implicit keep");
+ msg = US"No implicit keep";
r = FF_DELIVERED;
}
}
projects / exim.git / blobdiff