X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/5ea815927da4109ae019a30dac22151c5b988094..f44cbc208bbc37a70e527d4ed3ab517b63f0d950:/src/src/sieve.c diff --git a/src/src/sieve.c b/src/src/sieve.c index 296a23c2d..30fa62999 100644 --- a/src/src/sieve.c +++ b/src/src/sieve.c @@ -1,10 +1,10 @@ -/* $Cambridge: exim/src/src/sieve.c,v 1.12 2005/06/17 10:47:05 ph10 Exp $ */ +/* $Cambridge: exim/src/src/sieve.c,v 1.35 2008/11/18 11:10:43 michael Exp $ */ /************************************************* * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) Michael Haardt 2003-2005 */ +/* Copyright (c) Michael Haardt 2003-2008 */ /* See the file NOTICE for conditions of use and distribution. */ /* This code was contributed by Michael Haardt. */ @@ -28,10 +28,19 @@ /* 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 */ @@ -52,6 +61,16 @@ 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 ENOTIFY + int require_enotify; + struct Notification *notified; +#endif #ifdef SUBADDRESS int require_subaddress; #endif @@ -81,6 +100,15 @@ struct String int length; }; +struct Notification + { + struct String method; + struct String importance; + struct String message; + struct Notification *next; + }; + +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); @@ -92,6 +120,8 @@ static uschar str_cc_c[]="Cc"; 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 }; +static uschar str_auth_c[]="auth"; +static const struct String str_auth={ str_auth_c, 4 }; static uschar str_sender_c[]="Sender"; static const struct String str_sender={ str_sender_c, 6 }; static uschar str_resent_from_c[]="Resent-From"; @@ -102,6 +132,24 @@ 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 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 }; @@ -139,6 +187,10 @@ static const struct String str_comparator_iascii_numeric={ str_comparator_iascii /* Arguments: src UTF-8 string + dst US-ASCII string + +Returns + dst */ static struct String *quoted_printable_encode(const struct String *src, struct String *dst) @@ -180,13 +232,8 @@ for (pass=0; pass<=1; ++pass) || ( (ch==9 || ch==32) -#ifdef RFC_EOL && start+2length; 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) @@ -237,6 +273,254 @@ 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 * +*************************************************/ + +/* +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; slength=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,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 (;;) + { + /* 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 && strcmpic(hname.character, US"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 && 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; + } + } +if (*uri) + { + filter->errmsg=US"Syntactically invalid URI"; + return -1; + } +return 1; +} +#endif + + /************************************************* * Octet-wise string comparison * *************************************************/ @@ -311,8 +595,7 @@ while (nl>0 && hl>0) if (hc&0x80) return 0; #endif /* tolower depends on the locale and only ASCII case must be insensitive */ - if ((nc&0x80) || (hc&0x80)) { if (nc!=hc) return 0; } - else if ((nc>='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; + if ((nc>='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; ++n; ++h; --nl; @@ -323,241 +606,116 @@ return (match_prefix ? nl==0 : nl==0 && hl==0); /************************************************* -* Octet-wise glob pattern search * +* Glob pattern search * *************************************************/ /* 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 + -1 pattern error */ -static int eq_octetglob(const struct String *needle, - const struct String *haystack) +static int eq_glob(const struct String *needle, + const struct String *haystack, int ascii_caseless, int match_octet) { -struct String n,h; +const uschar *n,*h,*nend,*hend; +int may_advance=0; -n=*needle; -h=*haystack; -while (n.length) +n=needle->character; +h=haystack->character; +nend=n+needle->length; +hend=h+haystack->length; +while (n='A' && *npart<='Z' ? *npart|0x20 : *npart) != (*hpart>='A' && *hpart<='Z' ? *hpart|0x20 : *hpart)) + : *hpart!=*npart + ) { - while (h.length && (h.character[0]&0x80)) + if (may_advance) + /* string match after a star failed, advance and try again */ { - ++h.character; - --h.length; + ++h; + goto match_part; } + else return 0; } else { - ++h.character; - --h.length; - } + ++npart; + ++hpart; + }; } - else return 0; - break; } - case '\\': + /* at this point, a part was matched successfully */ + if (may_advance && npart==nend && hpart='A' && nc<='Z' ? nc|0x20 : nc) != (hc>='A' && hc<='Z' ? hc|0x20 : hc)) return 0; - ++h.character; - --h.length; - ++n.character; - --n.length; + ++h; + goto match_part; } + h=hpart; + n=npart; + may_advance=0; } } -return (h.length==0); +return (h==hend ? 1 : may_advance); } @@ -620,6 +778,7 @@ switch (relop) /* 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 @@ -715,12 +874,20 @@ switch (mt) { case COMP_OCTET: { - if (eq_octetglob(needle,haystack)) r=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 (eq_asciicaseglob(needle,haystack)) r=1; + if ((r=eq_glob(needle,haystack,1,1))==-1) + { + filter->errmsg=CUS "syntactically invalid pattern"; + return -1; + } break; } default: @@ -837,7 +1004,7 @@ 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: @@ -885,6 +1052,10 @@ new_addr->next = *generated; *************************************************/ /* +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 @@ -902,20 +1073,17 @@ value->length=0; 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'; -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); } @@ -1009,38 +1177,242 @@ Returns: 1 success static int parse_white(struct Sieve *filter) { -while (*filter->pc) +while (*filter->pc) + { + if (*filter->pc==' ' || *filter->pc=='\t') ++filter->pc; +#ifdef RFC_EOL + else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') +#else + else if (*filter->pc=='\n') +#endif + { +#ifdef RFC_EOL + filter->pc+=2; +#else + ++filter->pc; +#endif + ++filter->line; + } + else if (*filter->pc=='#') + { + if (parse_hashcomment(filter)==-1) return -1; + } + else if (*filter->pc=='/' && *(filter->pc+1)=='*') + { + if (parse_comment(filter)==-1) return -1; + } + else break; + } +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 (srcpc==' ' || *filter->pc=='\t') ++filter->pc; -#ifdef RFC_EOL - else if (*filter->pc=='\r' && *(filter->pc+1)=='\n') -#else - else if (*filter->pc=='\n') -#endif - { -#ifdef RFC_EOL - filter->pc+=2; -#else - ++filter->pc; -#endif - ++filter->line; - } - else if (*filter->pc=='#') + uschar *brace; + + if ( + strncmpic(src,US "${hex:",6)==0 + && (brace=Ustrchr(src+6,'}'))!=(uschar*)0 + && (hex_decode(src+6,brace,(uschar*)0))>=0 + ) { - if (parse_hashcomment(filter)==-1) return -1; + dst+=hex_decode(src+6,brace,dst); + src=brace+1; } - else if (*filter->pc=='/' && *(filter->pc+1)=='*') + else if ( + strncmpic(src,US "${unicode:",10)==0 + && (brace=Ustrchr(src+10,'}'))!=(uschar*)0 + ) { - if (parse_comment(filter)==-1) return -1; + 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 break; + else *dst++=*src++; } + data->length=dst-data->character; + *dst='\0'; return 1; } +#endif /************************************************* -* Parse a optional string * +* Parse an optional string * *************************************************/ /* @@ -1085,17 +1457,31 @@ if (*filter->pc=='"') /* quoted string */ 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); +#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 */ { +#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++; } @@ -1151,13 +1537,21 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ 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 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 */ @@ -1199,7 +1593,7 @@ 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]; @@ -1545,7 +1939,7 @@ 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 @@ -1553,14 +1947,14 @@ 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; @@ -1569,7 +1963,7 @@ 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; @@ -1745,6 +2139,8 @@ if (parse_identifier(filter,CUS "address")) if (saveend == 0) break; header_value = end_addr + 1; } + parse_allow_group = FALSE; + parse_found_group = FALSE; } } return 1; @@ -1755,13 +2151,13 @@ 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")) @@ -1770,13 +2166,13 @@ 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")) @@ -1949,6 +2345,9 @@ else if (parse_identifier(filter,CUS "envelope")) envelope-part is case insensitive "from" or "to" +#ifdef ENVELOPE_AUTH + envelope-part =/ "auth" +#endif */ enum Comparator comparator=COMP_EN_ASCII_CASEMAP; @@ -2011,7 +2410,7 @@ else if (parse_identifier(filter,CUS "envelope")) return -1; } *cond=0; - for (e=env; e->character; ++e) + for (e=env; e->length!=-1 && !*cond; ++e) { const uschar *envelopeExpr=CUS 0; uschar *envelope=US 0; @@ -2044,6 +2443,23 @@ else if (parse_identifier(filter,CUS "envelope")) 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"; @@ -2070,6 +2486,139 @@ 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; } @@ -2179,6 +2728,11 @@ 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) @@ -2200,6 +2754,11 @@ 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("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) @@ -2312,7 +2871,7 @@ while (*filter->pc) fileinto-command = "fileinto" { fileinto-options } string ";" fileinto-options = fileinto-options =) [ ":copy" ] - */ + */ struct String folder; uschar *s; @@ -2366,6 +2925,192 @@ while (*filter->pc) } if (parse_semicolon(filter)==-1) return -1; } +#ifdef ENOTIFY + else if (parse_identifier(filter,CUS "notify")) + { + /* + notify-command = "notify" { notify-options } ";" + 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 *options; + 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; + options=(struct String*)0; + 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("$local_part_prefix$local_part$local_part_suffix@$domain") : US ""; + for (;;) + { + if (parse_white(filter)==-1) return -1; + if (parse_identifier(filter,CUS ":from")==1) + { + if (parse_white(filter)==-1) return -1; + if ((m=parse_string(filter,&from))!=1) + { + if (m==0) filter->errmsg=CUS "from string expected"; + return -1; + } + } + else if (parse_identifier(filter,CUS ":importance")==1) + { + if (parse_white(filter)==-1) return -1; + if ((m=parse_string(filter,&importance))!=1) + { + if (m==0) filter->errmsg=CUS "importance string expected"; + return -1; + } + if (importance.length!=1 || importance.character[0]<'1' || importance.character[0]>'3') + { + filter->errmsg=CUS "invalid importance"; + return -1; + } + } + else if (parse_identifier(filter,CUS ":options")==1) + { + if (parse_white(filter)==-1) return -1; + } + else if (parse_identifier(filter,CUS ":message")==1) + { + if (parse_white(filter)==-1) return -1; + if ((m=parse_string(filter,&message))!=1) + { + if (m==0) filter->errmsg=CUS "message string expected"; + return -1; + } + } + else break; + } + if (parse_white(filter)==-1) return -1; + if ((m=parse_string(filter,&method))!=1) + { + if (m==0) filter->errmsg=CUS "missing method string"; + return -1; + } + if (parse_semicolon(filter)==-1) return -1; + if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1) + return -1; + if (exec) + { + if (message.length==-1) message=subject; + if (message.length==-1) expand_header(&message,&str_subject); + expand_header(&auto_submitted_value,&str_auto_submitted); + auto_submitted_def=expand_string(string_sprintf("${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) + { + if (already->method.length==method.length + && (method.length==-1 || strcmp(already->method.character,method.character)==0) + && already->importance.length==importance.length + && (importance.length==-1 || strcmp(already->importance.character,importance.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->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_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("$local_part_prefix$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\n"); + 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) + { + 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("Ignoring notification, triggering message contains Auto-submitted: field.\n"); + } + } + } + } +#endif #ifdef VACATION else if (parse_identifier(filter,CUS "vacation")) { @@ -2434,31 +3179,14 @@ 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) { @@ -2552,11 +3280,11 @@ while (*filter->pc) 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; @@ -2568,11 +3296,22 @@ while (*filter->pc) 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 */ @@ -2590,9 +3329,9 @@ while (*filter->pc) 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->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE); addr->reply->oncelog=once; addr->reply->once_repeat=days*86400; @@ -2601,16 +3340,12 @@ while (*filter->pc) 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; @@ -2619,14 +3354,14 @@ while (*filter->pc) addr->reply->headers[start] = '\0'; capacity = 0; start = 0; - if (mime_body+(sizeof(nlnl)-1)reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); addr->reply->text[start] = '\0'; } else { - struct String qp; + struct String qp = { NULL, 0 }; /* Keep compiler happy (PH) */ capacity = 0; start = reason.length; @@ -2638,7 +3373,7 @@ while (*filter->pc) } } } - 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"); } @@ -2673,6 +3408,16 @@ 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 @@ -2738,6 +3483,15 @@ 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 ENOTIFY + else if (eq_octet(check,&str_enotify,0)) filter->require_enotify=1; +#endif #ifdef SUBADDRESS else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1; #endif @@ -2838,12 +3592,12 @@ if (parse_start(&sieve,1,generated)==1) if (sieve.keep) { add_addr(generated,US"inbox",1,0,0,0); - msg = string_sprintf("Keep"); + msg = string_sprintf("Implicit keep"); r = FF_DELIVERED; } - else + else { - msg = string_sprintf("No keep"); + msg = string_sprintf("No implicit keep"); r = FF_DELIVERED; } }