-/* $Cambridge: exim/src/src/sieve.c,v 1.23 2006/10/10 15:36:50 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Michael Haardt 2003-2006 */
-/* 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. */
/* Undefine it for UNIX-style \n end-of-line terminators (default). */
#undef RFC_EOL
+/* 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 "notify". */
-#undef NOTIFY
+/* Define this for development of the Sieve extension "enotify". */
+#define ENOTIFY
/* Define this for the Sieve extension "subaddress". */
#define SUBADDRESS
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 NOTIFY
- int require_notify;
+#ifdef ENOTIFY
+ int require_enotify;
struct Notification *notified;
#endif
+ uschar *enotify_mailto_owner;
#ifdef SUBADDRESS
int require_subaddress;
#endif
struct Notification
{
struct String method;
- struct String priority;
+ 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_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 NOTIFY
-static uschar str_notify_c[]="notify";
-static const struct String str_notify={ str_notify_c, 6 };
+#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";
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;
}
+/*************************************************
+* 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 == NULL)
+ {
+ 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 *
*************************************************/
-1 Encoding error
*/
+#ifdef ENOTIFY
static int uri_decode(struct String *str)
{
uschar *s,*t,*e;
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
*/
-int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, 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;
+struct String to, hname;
+struct String hvalue = {NULL, 0};
int capacity;
string_item *new;
+if (Ustrncmp(uri,"mailto:",7))
+ {
+ 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)
{
return -1;
}
}
- if (hname.length==2 && strcmp(CS hname.character,"to")==0)
+ if (hname.length==2 && strcmpic(hname.character, US"to")==0)
{
new=store_get(sizeof(string_item));
new->text=store_get(hvalue.length+1);
new->next=*recipient;
*recipient=new;
}
- else if (hname.length==4 && strcmp(CS hname.character,"body")==0)
+ 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)
+ {
+ if (header->length==-1) header->length=0;
+ capacity=header->length;
+ 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';
+ }
+ }
if (*uri=='&') ++uri;
else break;
}
}
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
{
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;
}
*************************************************/
/*
-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:
setflag(new_addr, af_pfr|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;
}
}
+#ifdef ENCODED_CHARACTER
/*************************************************
-* Parse a optional string *
+* 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 an optional 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)
+ 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);
+ 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
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);
+ 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++;
}
}
{
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);
+
if (d) memcpy(new,d,sizeof(struct String)*dataLength);
- d=new;
- dataCapacity=newCapacity;
+ d = new;
}
+
m=parse_string(filter,&d[dataLength]);
if (m==0)
{
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;
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"))
}
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,*u;
+ 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 (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,*k;
+
+ 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 (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)
{
}
if (parse_semicolon(filter)==-1) return -1;
}
-#ifdef NOTIFY
+#ifdef ENOTIFY
else if (parse_identifier(filter,CUS "notify"))
{
/*
- notify-command = "notify" { notify-options } ";"
- notify-options = [":method" string]
- [":priority" string]
+ 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 method;
- struct String priority;
+ 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,*envelope_to;
+ uschar *envelope_from;
+ struct String auto_submitted_value;
+ uschar *auto_submitted_def;
- if (!filter->require_notify)
+ if (!filter->require_enotify)
{
- filter->errmsg=CUS "missing previous require \"notify\";";
+ filter->errmsg=CUS "missing previous require \"enotify\";";
return -1;
}
- method.character=(uschar*)0;
- method.length=-1;
- priority.character=(uschar*)0;
- priority.length=-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=expand_string("$sender_address");
- envelope_to=expand_string("$local_part_prefix$local_part$local_part_suffix@$domain");
+ envelope_from=(sender_address && sender_address[0]) ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : US "";
for (;;)
{
if (parse_white(filter)==-1) return -1;
- if (parse_identifier(filter,CUS ":method")==1)
+ if (parse_identifier(filter,CUS ":from")==1)
{
if (parse_white(filter)==-1) return -1;
- if ((m=parse_string(filter,&method))!=1)
+ if ((m=parse_string(filter,&from))!=1)
{
- if (m==0) filter->errmsg=CUS "method string expected";
+ if (m==0) filter->errmsg=CUS "from string expected";
return -1;
}
- if (method.length>7 && strncmp(method.character,"mailto:",7)==0)
- {
- if (parse_mailto_uri(filter,method.character+7,&recipient,&body)==-1) return -1;
- }
}
- else if (parse_identifier(filter,CUS ":priority")==1)
+ else if (parse_identifier(filter,CUS ":importance")==1)
{
if (parse_white(filter)==-1) return -1;
- if ((m=parse_string(filter,&priority))!=1)
+ if ((m=parse_string(filter,&importance))!=1)
{
- if (m==0) filter->errmsg=CUS "priority string expected";
+ 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)
{
}
else break;
}
- if (parse_semicolon(filter)==-1) return -1;
-
- if (method.length==-1)
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&method))!=1)
{
- if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
- {
- debug_printf("Ignoring method-less notification.\n");
- }
+ if (m==0) filter->errmsg=CUS "missing method string";
+ return -1;
}
- else
+ if (parse_semicolon(filter)==-1) return -1;
+ if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1)
+ return -1;
+ if (exec)
{
- for (already=filter->notified; already; already=already->next)
- {
- if (already->method.length==method.length
- && (method.length==-1 || strcmp(already->method.character,method.character)==0)
- && already->priority.length==priority.length
- && (priority.length==-1 || strcmp(already->priority.character,priority.character)==0)
- && already->message.length==message.length
- && (message.length==-1 || strcmp(already->message.character,message.character)==0))
- break;
- }
- if (already==(struct Notification*)0)
- /* New notification, process it */
- {
- struct Notification *sent;
- sent=store_get(sizeof(struct Notification));
- sent->method=method;
- sent->priority=priority;
- sent->message=message;
- sent->next=filter->notified;
- filter->notified=sent;
- if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
+ 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(string_sprintf("${if def:header_auto-submitted {true}{false}}"));
+ if (auto_submitted_value.character == NULL || auto_submitted_def == NULL)
+ {
+ filter->errmsg=CUS "header string expansion failed";
+ return -1;
+ }
+ if (Ustrcmp(auto_submitted_def,"true")!=0 || Ustrcmp(auto_submitted_value.character,"no")==0)
+ {
+ for (already=filter->notified; already; already=already->next)
{
- debug_printf("Notification to `%s'.\n",method.character);
+ if (already->method.length==method.length
+ && (method.length==-1 || Ustrcmp(already->method.character,method.character)==0)
+ && already->importance.length==importance.length
+ && (importance.length==-1 || Ustrcmp(already->importance.character,importance.character)==0)
+ && already->message.length==message.length
+ && (message.length==-1 || Ustrcmp(already->message.character,message.character)==0))
+ break;
}
-#ifndef COMPILE_SYNTAX_CHECKER
- if (exec)
+ if (already==(struct Notification*)0)
+ /* New notification, process it */
{
- string_item *p;
- header_line *h;
- int pid,fd;
+ struct Notification *sent;
+ sent=store_get(sizeof(struct Notification));
+ sent->method=method;
+ sent->importance=importance;
+ sent->message=message;
+ sent->next=filter->notified;
+ filter->notified=sent;
+ #ifndef COMPILE_SYNTAX_CHECKER
+ if (filter_test == FTEST_NONE)
+ {
+ string_item *p;
+ int pid,fd;
- if ((pid = child_open_exim2(&fd,envelope_to,envelope_to))>=1)
+ if ((pid = child_open_exim2(&fd,envelope_from,envelope_from))>=1)
+ {
+ FILE *f;
+ uschar *buffer;
+ int buffer_capacity;
+
+ f = fdopen(fd, "wb");
+ fprintf(f,"From: %s\n",from.length==-1 ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : from.character);
+ for (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);
+ 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) != 0)
{
- FILE *f;
-
- f = fdopen(fd, "wb");
- fprintf(f,"From: %s\n",envelope_to);
- for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text);
- for (h = header_list; h != NULL; h = h->next)
- if (h->type == htype_received) fprintf(f,"%s",h->text);
- fprintf(f,"Subject: %s\n",message.length==-1 ? CUS "notification" : message.character);
- fprintf(f,"\n");
- if (body.length>0) fprintf(f,"%s\n",body.character);
- fflush(f);
- (void)fclose(f);
- (void)child_close(pid, 0);
+ 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) != 0)
+ {
+ debug_printf("Repeated notification to `%s' ignored.\n",method.character);
+ }
+ }
}
else
{
if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
{
- debug_printf("Repeated notification to `%s' ignored.\n",method.character);
+ debug_printf("Ignoring notification, triggering message contains Auto-submitted: field.\n");
}
}
}
}
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)
{
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);
- addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE);
+ /* 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=once;
addr->reply->once_repeat=days*86400;
);
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
-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 NOTIFY
-filter->require_notify=0;
+#ifdef ENOTIFY
+filter->require_enotify=0;
filter->notified=(struct Notification*)0;
#endif
#ifdef SUBADDRESS
{
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 NOTIFY
- else if (eq_octet(check,&str_notify,0)) filter->require_notify=1;
+#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;
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;
}
}
+if (enotify_mailto_owner == NULL)
+ sieve.enotify_mailto_owner = NULL;
+else
+ {
+ sieve.enotify_mailto_owner=expand_string(enotify_mailto_owner);
+ if (sieve.enotify_mailto_owner == NULL)
+ {
+ *error = string_sprintf("failed to expand \"%s\" "
+ "(sieve_enotify_mailto_owner): %s", enotify_mailto_owner,
+ expand_string_message);
+ return FF_ERROR;
+ }
+ }
+
sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress;
sieve.subaddress = subaddress;
git://git.exim.org / users / jgh / exim.git / blobdiff