X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fsieve.c;h=3d7e99b27b332c27317917f4bd8db12a865fcbef;hp=549dba197c3578f3513ad9f195a0f789d3adddca;hb=9494140a9fbaed32259a60af2b59e6f61f06589c;hpb=1eccaa59eb366c180c36af219a142d8f934f73b0 diff --git a/src/src/sieve.c b/src/src/sieve.c index 549dba197..3d7e99b27 100644 --- a/src/src/sieve.c +++ b/src/src/sieve.c @@ -1,10 +1,8 @@ -/* $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 */ +/* Copyright (c) Michael Haardt 2003 - 2015 */ /* See the file NOTICE for conditions of use and distribution. */ /* This code was contributed by Michael Haardt. */ @@ -28,11 +26,14 @@ /* 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 @@ -58,13 +59,17 @@ struct Sieve 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 @@ -97,11 +102,44 @@ struct String 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); @@ -125,13 +163,23 @@ static uschar str_fileinto_c[]="fileinto"; 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"; @@ -256,6 +304,48 @@ for (pass=0; pass<=1; ++pass) } +/************************************************* +* 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 * *************************************************/ @@ -269,6 +359,7 @@ Returns -1 Encoding error */ +#ifdef ENOTIFY static int uri_decode(struct String *str) { uschar *s,*t,*e; @@ -312,19 +403,28 @@ Parse mailto-URI. 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; int capacity; string_item *new; +if (Ustrncmp(uri,"mailto:",7)) + { + filter->errmsg=US "Unknown URI scheme"; + return 0; + } +uri+=7; if (*uri && *uri!='?') for (;;) { @@ -400,7 +500,7 @@ if (*uri=='?') 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); @@ -409,8 +509,35 @@ if (*uri=='?') 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; ilength==-1) header->length=0; + capacity=header->length; + header->character=string_cat(header->character,&capacity,&header->length,hname.character,hname.length); + header->character=string_cat(header->character,&capacity,&header->length,CUS ": ",2); + header->character=string_cat(header->character,&capacity,&header->length,hvalue.character,hvalue.length); + header->character=string_cat(header->character,&capacity,&header->length,CUS "\n",1); + header->character[header->length]='\0'; + } + } if (*uri=='&') ++uri; else break; } @@ -422,6 +549,8 @@ if (*uri) } return 1; } +#endif + /************************************************* * Octet-wise string comparison * @@ -513,8 +642,10 @@ return (match_prefix ? nl==0 : nl==0 && hl==0); /* 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 @@ -904,7 +1035,7 @@ 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: @@ -941,7 +1072,7 @@ if (file) 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; } @@ -1107,8 +1238,212 @@ return 1; } +#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='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=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='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 (srccharacter; +dst=src; +end=data->character+data->length; +while (src=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 * *************************************************/ /* @@ -1155,12 +1490,16 @@ if (*filter->pc=='"') /* quoted string */ ++filter->pc; /* that way, there will be at least one character allocated */ data->character=string_cat(data->character,&dataCapacity,&foo,CUS "",1); +#ifdef ENCODED_CHARACTER + if (filter->require_encoded_character + && string_decode(filter,data)==-1) + 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_cat(data->character,&dataCapacity,&data->length,filter->pc+1,1); filter->pc+=2; } else /* regular character */ @@ -1239,6 +1578,11 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ 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 */ @@ -1280,7 +1624,7 @@ static int parse_identifier(struct Sieve *filter, const uschar *id) { 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]; @@ -1626,7 +1970,7 @@ Grammar: 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 @@ -1634,14 +1978,14 @@ 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; @@ -1650,7 +1994,7 @@ if (*filter->pc=='(') { 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; @@ -1838,13 +2182,13 @@ else if (parse_identifier(filter,CUS "allof")) allof-test = "allof" */ - 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")) @@ -1853,13 +2197,13 @@ else if (parse_identifier(filter,CUS "anyof")) anyof-test = "anyof" */ - 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")) @@ -2173,6 +2517,139 @@ else if (parse_identifier(filter,CUS "envelope")) } return 1; } +#ifdef ENOTIFY +else if (parse_identifier(filter,CUS "valid_notify_method")) + { + /* + valid_notify_method = "valid_notify_method" + + */ + + 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] + + + + */ + + 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; } @@ -2260,8 +2737,8 @@ Returns: 2 success by stop 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) { @@ -2479,65 +2956,79 @@ 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 } ";" + 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) { @@ -2550,72 +3041,100 @@ while (*filter->pc) } 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 neccessary, 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"); } } } @@ -2689,31 +3208,14 @@ while (*filter->pc) } 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) { @@ -2858,7 +3360,8 @@ while (*filter->pc) /* Allocation is larger than neccessary, 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; @@ -2927,19 +3430,22 @@ Returns: 1 success -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 @@ -3007,11 +3513,22 @@ while (parse_identifier(filter,CUS "require")) { 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; @@ -3059,7 +3576,8 @@ Arguments: 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 @@ -3075,7 +3593,8 @@ Returns: FF_DELIVERED success, a significant action was taken 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; @@ -3101,6 +3620,20 @@ else } } +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;