-/* $Cambridge: exim/src/src/sieve.c,v 1.17 2005/11/28 09:47:20 ph10 Exp $ */
+/* $Cambridge: exim/src/src/sieve.c,v 1.18 2006/03/01 10:40:03 ph10 Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Michael Haardt 2003-2005 */
+/* Copyright (c) Michael Haardt 2003-2006 */
/* See the file NOTICE for conditions of use and distribution. */
/* This code was contributed by Michael Haardt. */
#endif
#ifdef NOTIFY
int require_notify;
+ struct Notification *notified;
#endif
#ifdef SUBADDRESS
int require_subaddress;
int length;
};
+struct Notification
+ {
+ struct String method;
+ struct String priority;
+ struct String message;
+ struct Notification *next;
+ };
+
static int parse_test(struct Sieve *filter, int *cond, int exec);
static int parse_commands(struct Sieve *filter, int exec, address_item **generated);
/*
Arguments:
src UTF-8 string
+ dst US-ASCII string
+
+Returns
+ dst
*/
static struct String *quoted_printable_encode(const struct String *src, struct String *dst)
||
(
(ch==9 || ch==32)
-#ifdef RFC_EOL
&& start+2<end
&& (*(start+1)!='\r' || *(start+2)!='\n')
-#else
- && start+1<end
- && *(start+1)!='\n'
-#endif
)
)
{
*new++=*start;
++line;
}
-#ifdef RFC_EOL
else if (ch=='\r' && start+1<end && *(start+1)=='\n')
{
if (pass==0)
{
++dst->length;
line=0;
- ++start;
}
else
*new++='\n';
line=0;
+ ++start;
}
-#else
- else if (ch=='\n')
- {
- if (pass==0)
- ++dst->length;
- else
- *new++=*start;
- ++line;
- }
-#endif
else
{
if (pass==0)
}
+/*************************************************
+* Decode URI encoded string *
+*************************************************/
+
+/*
+Arguments:
+ str URI encoded string
+
+Returns
+ 0 Decoding successful
+ -1 Encoding error
+*/
+
+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
+
+Returns
+ 1 URI is syntactically OK
+ -1 syntax error
+*/
+
+int parse_mailto_uri(struct Sieve *filter, const uschar *uri, string_item **recipient, struct String *body)
+{
+const uschar *start;
+struct String to,hname,hvalue;
+int capacity;
+string_item *new;
+
+if (*uri && *uri!='?')
+ for (;;)
+ {
+ /* match to */
+ for (start=uri; *uri && *uri!='?' && (*uri!='%' || *(uri+1)!='2' || tolower(*(uri+2))!='c'); ++uri);
+ if (uri>start)
+ {
+ capacity=0;
+ to.character=(uschar*)0;
+ to.length=0;
+ to.character=string_cat(to.character,&capacity,&to.length,start,uri-start);
+ to.character[to.length]='\0';
+ if (uri_decode(&to)==-1)
+ {
+ filter->errmsg=US"Invalid URI encoding";
+ return -1;
+ }
+ new=store_get(sizeof(string_item));
+ new->text=store_get(to.length+1);
+ if (to.length) memcpy(new->text,to.character,to.length);
+ new->text[to.length]='\0';
+ new->next=*recipient;
+ *recipient=new;
+ }
+ 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("$-_.+!*'(),%",*uri)); ++uri);
+ if (uri>start)
+ {
+ capacity=0;
+ hname.character=(uschar*)0;
+ hname.length=0;
+ hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start);
+ hname.character[hname.length]='\0';
+ if (uri_decode(&hname)==-1)
+ {
+ filter->errmsg=US"Invalid URI encoding";
+ return -1;
+ }
+ }
+ /* match = */
+ if (*uri=='=')
+ ++uri;
+ else
+ {
+ filter->errmsg=US"Missing equal after hname";
+ return -1;
+ }
+ /* match hvalue */
+ for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri);
+ if (uri>start)
+ {
+ capacity=0;
+ hvalue.character=(uschar*)0;
+ hvalue.length=0;
+ hvalue.character=string_cat(hvalue.character,&capacity,&hvalue.length,start,uri-start);
+ hvalue.character[hvalue.length]='\0';
+ if (uri_decode(&hvalue)==-1)
+ {
+ filter->errmsg=US"Invalid URI encoding";
+ return -1;
+ }
+ }
+ if (hname.length==2 && strcmp(hname.character,"to")==0)
+ {
+ new=store_get(sizeof(string_item));
+ new->text=store_get(hvalue.length+1);
+ 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 && strcmp(hname.character,"body")==0)
+ *body=hvalue;
+ if (*uri=='&') ++uri;
+ else break;
+ }
+ }
+if (*uri)
+ {
+ filter->errmsg=US"Syntactically invalid URI";
+ return -1;
+ }
+return 1;
+}
+
/*************************************************
* Octet-wise string comparison *
*************************************************/
*/
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
{
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;
}
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;
*************************************************/
/*
+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->character=(uschar*)0;
t=r=s=expand_string(string_sprintf("$rheader_%s",quote(header)));
-while (*r==' ') ++r;
+while (*r==' ' || *r=='\t') ++r;
while (*r)
{
if (*r=='\n')
- {
++r;
- while (*r==' ' || *r=='\t') ++r;
- if (*r) *t++=' ';
- }
else
*t++=*r++;
}
-*t++='\0';
+while (t>s && (*(t-1)==' ' || *(t-1)=='\t')) --t;
+*t='\0';
value->character=rfc2047_decode(s,check_rfc2047_length,US"utf-8",'\0',&value->length,&errmsg);
}
int foo=data->length;
++filter->pc;
+ /* that way, there will be at least one character allocated */
data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1);
return 1;
}
}
else /* regular character */
{
+#ifdef RFC_EOL
+ if (*filter->pc=='\r' && *(filter->pc+1)=='\n') ++filter->line;
+#else
+ if (*filter->pc=='\n')
+ {
+ data->character=string_cat(data->character,&dataCapacity,&data->length,US"\r",1);
+ ++filter->line;
+ }
+#endif
data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1);
filter->pc++;
}
if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */
#endif
{
- data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "",1);
+ int foo=data->length;
+
+ /* that way, there will be at least one character allocated */
+ data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1);
#ifdef RFC_EOL
filter->pc+=3;
#else
/*
notify-command = "notify" { notify-options } ";"
notify-options = [":method" string]
+ [":priority" string]
[":message" string]
*/
int m;
struct String method;
+ struct String priority;
struct String message;
+ struct Notification *already;
+ string_item *recipient;
+ struct String body;
+ uschar *envelope_from,*envelope_to;
if (!filter->require_notify)
{
}
method.character=(uschar*)0;
method.length=-1;
+ priority.character=(uschar*)0;
+ priority.length=-1;
message.character=(uschar*)0;
message.length=-1;
+ recipient=NULL;
+ body.length=-1;
+ body.character=(uschar*)0;
+ envelope_from=expand_string("$sender_address");
+ envelope_to=expand_string("$local_part_prefix$local_part$local_part_suffix@$domain");
for (;;)
{
if (parse_white(filter)==-1) return -1;
if (m==0) filter->errmsg=CUS "method 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)
+ {
+ if (parse_white(filter)==-1) return -1;
+ if ((m=parse_string(filter,&priority))!=1)
+ {
+ if (m==0) filter->errmsg=CUS "priority string expected";
+ return -1;
+ }
}
else if (parse_identifier(filter,CUS ":message")==1)
{
else break;
}
if (parse_semicolon(filter)==-1) return -1;
+
+ if (method.length==-1)
+ {
+ if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
+ {
+ debug_printf("Ignoring method-less notification.\n");
+ }
+ }
+ else
+ {
+ 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)
+ {
+ debug_printf("Notification to `%s'.\n",method.character);
+ }
+ if (exec)
+ {
+ string_item *p;
+ header_line *h;
+ int pid,fd;
+
+ if ((pid = child_open_exim2(&fd,envelope_to,envelope_to))>=1)
+ {
+ 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);
+ }
+ }
+ }
+ else
+ {
+ if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0)
+ {
+ debug_printf("Repeated notification to `%s' ignored.\n",method.character);
+ }
+ }
+ }
}
#endif
#ifdef VACATION
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)
+ 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;
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 (Ustrcmp(subject_def,"true")==0)
+ {
+ expand_header(&subject,&str_subject);
+ capacity=6;
+ start=6;
+ subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length);
+ subject.length=start;
+ }
+ else
+ {
+ subject.character=US"Automated reply";
+ subject.length=Ustrlen(subject.character);
+ }
}
/* add address to list of generated addresses */
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_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);
addr->reply->oncelog=once;
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<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1));
++mime_body
);
capacity = 0;
addr->reply->headers[start] = '\0';
capacity = 0;
start = 0;
- if (mime_body+(sizeof(nlnl)-1)<reason_end) mime_body+=sizeof(nlnl)-1;
+ 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';
}
}
}
- 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");
}
#endif
#ifdef NOTIFY
filter->require_notify=0;
+filter->notified=(struct Notification*)0;
#endif
#ifdef SUBADDRESS
filter->require_subaddress=0;
git://git.exim.org / exim.git / commitdiff