X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fsieve.c;h=8b89a0ea9124660138c901c8f8838f42ca50617f;hp=8e11af557f1d923d2769df1e58c231093c33097b;hb=50c99ba643be3b19677854101aca137bed084856;hpb=bc60667eb5b62a4d70806a02b8fb745a054a396e diff --git a/src/src/sieve.c b/src/src/sieve.c index 8e11af557..8b89a0ea9 100644 --- a/src/src/sieve.c +++ b/src/src/sieve.c @@ -1,10 +1,10 @@ -/* $Cambridge: exim/src/src/sieve.c,v 1.4 2005/02/15 09:31:13 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 2003,2004 */ +/* Copyright (c) Michael Haardt 2003-2006 */ /* See the file NOTICE for conditions of use and distribution. */ /* This code was contributed by Michael Haardt. */ @@ -28,12 +28,16 @@ /* Undefine it for UNIX-style \n end-of-line terminators (default). */ #undef RFC_EOL -/* Define this for development of the subaddress Sieve extension. */ -/* The code is currently broken. */ -#undef SUBADDRESS +/* Define this for development of the Sieve extension "envelope-auth". */ +#undef ENVELOPE_AUTH -/* Define this for development of the vacation Sieve extension. */ -/* The code is not yet finished. */ +/* Define this for development of the Sieve extension "notify". */ +#undef NOTIFY + +/* Define this for the Sieve extension "subaddress". */ +#define SUBADDRESS + +/* Define this for the Sieve extension "vacation". */ #define VACATION /* Must be >= 1 */ @@ -54,6 +58,13 @@ struct Sieve int keep; int require_envelope; int require_fileinto; +#ifdef ENVELOPE_AUTH + int require_envelope_auth; +#endif +#ifdef NOTIFY + int require_notify; + struct Notification *notified; +#endif #ifdef SUBADDRESS int require_subaddress; #endif @@ -62,11 +73,13 @@ struct Sieve int vacation_ran; #endif uschar *vacation_directory; + const uschar *subaddress; + const uschar *useraddress; int require_copy; int require_iascii_numeric; }; -enum Comparator { COMP_OCTET, COMP_ASCII_CASEMAP, COMP_ASCII_NUMERIC }; +enum Comparator { COMP_OCTET, COMP_EN_ASCII_CASEMAP, COMP_ASCII_NUMERIC }; enum MatchType { MATCH_IS, MATCH_CONTAINS, MATCH_MATCHES }; #ifdef SUBADDRESS enum AddressPart { ADDRPART_USER, ADDRPART_DETAIL, ADDRPART_LOCALPART, ADDRPART_DOMAIN, ADDRPART_ALL }; @@ -81,6 +94,14 @@ struct String 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); @@ -92,6 +113,8 @@ 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 +125,14 @@ 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 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 }; +#endif #ifdef SUBADDRESS static uschar str_subaddress_c[]="subaddress"; static const struct String str_subaddress={ str_subaddress_c, 10 }; @@ -116,12 +147,16 @@ static uschar str_copy_c[]="copy"; static const struct String str_copy={ str_copy_c, 4 }; static uschar str_iascii_casemap_c[]="i;ascii-casemap"; static const struct String str_iascii_casemap={ str_iascii_casemap_c, 15 }; +static uschar str_enascii_casemap_c[]="en;ascii-casemap"; +static const struct String str_enascii_casemap={ str_enascii_casemap_c, 16 }; static uschar str_ioctet_c[]="i;octet"; static const struct String str_ioctet={ str_ioctet_c, 7 }; static uschar str_iascii_numeric_c[]="i;ascii-numeric"; static const struct String str_iascii_numeric={ str_iascii_numeric_c, 15 }; static uschar str_comparator_iascii_casemap_c[]="comparator-i;ascii-casemap"; static const struct String str_comparator_iascii_casemap={ str_comparator_iascii_casemap_c, 26 }; +static uschar str_comparator_enascii_casemap_c[]="comparator-en;ascii-casemap"; +static const struct String str_comparator_enascii_casemap={ str_comparator_enascii_casemap_c, 27 }; static uschar str_comparator_ioctet_c[]="comparator-i;octet"; static const struct String str_comparator_ioctet={ str_comparator_ioctet_c, 18 }; static uschar str_comparator_iascii_numeric_c[]="comparator-i;ascii-numeric"; @@ -135,6 +170,10 @@ 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) @@ -176,13 +215,8 @@ 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) @@ -233,6 +256,173 @@ for (pass=0; pass<=1; ++pass) } +/************************************************* +* 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; 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 + +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 * *************************************************/ @@ -307,8 +497,7 @@ 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; @@ -319,7 +508,7 @@ return (match_prefix ? nl==0 : nl==0 && hl==0); /************************************************* -* Octet-wise glob pattern search * +* Glob pattern search * *************************************************/ /* @@ -329,231 +518,104 @@ Arguments: 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); } @@ -616,6 +678,7 @@ 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 @@ -645,7 +708,7 @@ if ((filter_test != FTEST_NONE && debug_selector != 0) || switch (co) { case COMP_OCTET: debug_printf("i;octet"); break; - case COMP_ASCII_CASEMAP: debug_printf("i;ascii-casemap"); break; + case COMP_EN_ASCII_CASEMAP: debug_printf("en;ascii-casemap"); break; case COMP_ASCII_NUMERIC: debug_printf("i;ascii-numeric"); break; } debug_printf("\"):\n"); @@ -663,7 +726,7 @@ switch (mt) if (eq_octet(needle,haystack,0)) r=1; break; } - case COMP_ASCII_CASEMAP: + case COMP_EN_ASCII_CASEMAP: { if (eq_asciicase(needle,haystack,0)) r=1; break; @@ -692,7 +755,7 @@ switch (mt) for (h=*haystack; h.length; ++h.character,--h.length) if (eq_octet(needle,&h,1)) { r=1; break; } break; } - case COMP_ASCII_CASEMAP: + case COMP_EN_ASCII_CASEMAP: { for (h=*haystack; h.length; ++h.character,--h.length) if (eq_asciicase(needle,&h,1)) { r=1; break; } break; @@ -711,12 +774,20 @@ 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_ASCII_CASEMAP: + 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: @@ -881,6 +952,10 @@ 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 @@ -898,20 +973,17 @@ 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); } @@ -1081,6 +1153,7 @@ 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); return 1; } @@ -1092,6 +1165,15 @@ if (*filter->pc=='"') /* quoted string */ } 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++; } @@ -1147,7 +1229,10 @@ 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 @@ -1469,7 +1554,12 @@ switch (parse_string(filter,&comparator_name)) } else if (eq_asciicase(&comparator_name,&str_iascii_casemap,0)) { - *c=COMP_ASCII_CASEMAP; + *c=COMP_EN_ASCII_CASEMAP; + match=1; + } + else if (eq_asciicase(&comparator_name,&str_enascii_casemap,0)) + { + *c=COMP_EN_ASCII_CASEMAP; match=1; } else if (eq_asciicase(&comparator_name,&str_iascii_numeric,0)) @@ -1609,7 +1699,7 @@ if (parse_identifier(filter,CUS "address")) */ enum AddressPart addressPart=ADDRPART_ALL; - enum Comparator comparator=COMP_ASCII_CASEMAP; + enum Comparator comparator=COMP_EN_ASCII_CASEMAP; enum MatchType matchType=MATCH_IS; struct String *hdr,*h,*key,*k; int m; @@ -1712,10 +1802,8 @@ if (parse_identifier(filter,CUS "address")) case ADDRPART_LOCALPART: part=extracted_addr; part[domain-1]='\0'; break; case ADDRPART_DOMAIN: part=extracted_addr+domain; break; #ifdef SUBADDRESS - case ADDRPART_DETAIL: - part=NULL; + case ADDRPART_DETAIL: part=NULL; break; #endif - break; } *end_addr = saveend; @@ -1821,7 +1909,7 @@ else if (parse_identifier(filter,CUS "header")) */ - enum Comparator comparator=COMP_ASCII_CASEMAP; + enum Comparator comparator=COMP_EN_ASCII_CASEMAP; enum MatchType matchType=MATCH_IS; struct String *hdr,*h,*key,*k; int m; @@ -1942,9 +2030,12 @@ 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_ASCII_CASEMAP; + enum Comparator comparator=COMP_EN_ASCII_CASEMAP; enum AddressPart addressPart=ADDRPART_ALL; enum MatchType matchType=MATCH_IS; struct String *env,*e,*key,*k; @@ -2004,7 +2095,7 @@ 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; @@ -2020,9 +2111,7 @@ else if (parse_identifier(filter,CUS "envelope")) case ADDRPART_LOCALPART: envelopeExpr=CUS "${local_part:$sender_address}"; break; case ADDRPART_DOMAIN: envelopeExpr=CUS "${domain:$sender_address}"; break; #ifdef SUBADDRESS - case ADDRPART_DETAIL: - envelopeExpr=CUS 0; - break; + case ADDRPART_DETAIL: envelopeExpr=CUS 0; break; #endif } } @@ -2032,13 +2121,30 @@ else if (parse_identifier(filter,CUS "envelope")) { case ADDRPART_ALL: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix@$domain"; break; #ifdef SUBADDRESS - case ADDRPART_USER: envelopeExpr=CUS "$local_part_prefix$local_part"; break; - case ADDRPART_DETAIL: envelopeExpr=CUS "$local_part_suffix"; break; + case ADDRPART_USER: envelopeExpr=filter->useraddress; break; + case ADDRPART_DETAIL: envelopeExpr=filter->subaddress; break; #endif case ADDRPART_LOCALPART: envelopeExpr=CUS "$local_part_prefix$local_part$local_part_suffix"; break; case ADDRPART_DOMAIN: envelopeExpr=CUS "$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"; @@ -2057,7 +2163,7 @@ else if (parse_identifier(filter,CUS "envelope")) envelopeStr.character=envelope; envelopeStr.length=Ustrlen(envelope); - *cond=compare(filter,&envelopeStr,k,comparator,matchType); + *cond=compare(filter,k,&envelopeStr,comparator,matchType); if (*cond==-1) return -1; if (*cond) break; } @@ -2102,7 +2208,7 @@ if (*filter->pc=='{') } else { - filter->errmsg=CUS "expecting command or closing brace"; + filter->errmsg=CUS "expecting command or closing brace"; return -1; } } @@ -2174,6 +2280,11 @@ 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) @@ -2195,6 +2306,11 @@ 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) @@ -2361,23 +2477,167 @@ while (*filter->pc) } if (parse_semicolon(filter)==-1) return -1; } +#ifdef NOTIFY + else if (parse_identifier(filter,CUS "notify")) + { + /* + 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) + { + filter->errmsg=CUS "missing previous require \"notify\";"; + return -1; + } + 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 (parse_identifier(filter,CUS ":method")==1) + { + if (parse_white(filter)==-1) return -1; + if ((m=parse_string(filter,&method))!=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) + { + 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_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 else if (parse_identifier(filter,CUS "vacation")) { /* vacation-command = "vacation" { vacation-options } ";" vacation-options = [":days" number] - [":addresses" string-list] [":subject" string] + [":from" string] + [":addresses" string-list] [":mime"] + [":handle" string] */ int m; unsigned long days; - struct String *addresses=(struct String*)0; struct String subject; + struct String from; + struct String *addresses; int reason_is_mime; string_item *aliases; + struct String handle; struct String reason; if (!filter->require_vacation) @@ -2397,8 +2657,13 @@ while (*filter->pc) days=VACATION_MIN_DAYS>7 ? VACATION_MIN_DAYS : 7; subject.character=(uschar*)0; subject.length=-1; + from.character=(uschar*)0; + from.length=-1; + addresses=(struct String*)0; aliases=NULL; reason_is_mime=0; + handle.character=(uschar*)0; + handle.length=-1; for (;;) { if (parse_white(filter)==-1) return -1; @@ -2409,6 +2674,43 @@ while (*filter->pc) if (daysVACATION_MAX_DAYS) days=VACATION_MAX_DAYS; } + else if (parse_identifier(filter,CUS ":subject")==1) + { + if (parse_white(filter)==-1) return -1; + if ((m=parse_string(filter,&subject))!=1) + { + if (m==0) filter->errmsg=CUS "subject string expected"; + return -1; + } + } + 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"; + return -1; + } + } else if (parse_identifier(filter,CUS ":addresses")==1) { struct String *a; @@ -2431,17 +2733,17 @@ while (*filter->pc) aliases=new; } } - else if (parse_identifier(filter,CUS ":subject")==1) + else if (parse_identifier(filter,CUS ":mime")==1) + reason_is_mime=1; + else if (parse_identifier(filter,CUS ":handle")==1) { if (parse_white(filter)==-1) return -1; - if ((m=parse_string(filter,&subject))!=1) + if ((m=parse_string(filter,&from))!=1) { - if (m==0) filter->errmsg=CUS "subject string expected"; + if (m==0) filter->errmsg=CUS "handle string expected"; return -1; } } - else if (parse_identifier(filter,CUS ":mime")==1) - reason_is_mime=1; else break; } if (parse_white(filter)==-1) return -1; @@ -2450,6 +2752,17 @@ while (*filter->pc) if (m==0) filter->errmsg=CUS "missing reason string"; return -1; } + if (reason_is_mime) + { + uschar *s,*end; + + for (s=reason.character,end=reason.character+reason.length; serrmsg=CUS "MIME reason string contains 8bit text"; + return -1; + } + } if (parse_semicolon(filter)==-1) return -1; if (exec) @@ -2467,103 +2780,130 @@ while (*filter->pc) if (filter_personal(aliases,TRUE)) { + if (filter_test == FTEST_NONE) + { + /* ensure oncelog directory exists; failure will be detected later */ - /* ensure oncelog directory exists; failure will be detected later */ - - (void)directory_make(NULL, filter->vacation_directory, 0700, FALSE); - + (void)directory_make(NULL, filter->vacation_directory, 0700, FALSE); + } /* build oncelog filename */ key.character=(uschar*)0; key.length=0; capacity=0; - if (subject.length!=-1) key.character=string_cat(key.character,&capacity,&key.length,subject.character,subject.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 (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); + } + else + key=handle; md5_start(&base); md5_end(&base, key.character, key.length, digest); for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]); - 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); - - /* process subject */ - - if (subject.length==-1) - { - expand_header(&subject,&str_subject); - while (subject.length>=4 && Ustrncmp(subject.character,"Re: ",4)==0) + if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) { - subject.character+=4; - subject.length-=4; - } - capacity=6; - start=6; - subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length); - subject.length=start; + debug_printf("Sieve: mail was personal, vacation file basename: %s\n", hexdigest); } - - /* add address to list of generated addresses */ - - addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); - setflag(addr, af_pfr); - setflag(addr, af_ignore_error); - addr->next = *generated; - *generated = addr; - addr->reply = store_get(sizeof(reply_item)); - memset(addr->reply,0,sizeof(reply_item)); /* XXX */ - addr->reply->to = string_copy(sender_address); - addr->reply->from = expand_string(US"$local_part@$domain"); - /* Allocation is larger than neccessary, but enough even for split MIME words */ - buffer_capacity=16+4*subject.length; - buffer=store_get(buffer_capacity); - addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity); - addr->reply->oncelog=once; - addr->reply->once_repeat=days*86400; - - /* build body and MIME headers */ - - if (reason_is_mime) + if (filter_test == FTEST_NONE) { - uschar *mime_body,*reason_end; -#ifdef RFC_EOL - static const uschar nlnl[]="\r\n\r\n"; -#else - static const uschar nlnl[]="\n\n"; -#endif + capacity=Ustrlen(filter->vacation_directory); + start=capacity; + once=string_cat(filter->vacation_directory,&capacity,&start,US"/",1); + once=string_cat(once,&capacity,&start,hexdigest,33); + once[start] = '\0'; + + /* process subject */ - for - ( - mime_body=reason.character,reason_end=reason.character+reason.length; - mime_body<(reason_end-sizeof(nlnl)-1) && memcmp(mime_body,nlnl,sizeof(nlnl)-1); - ++mime_body - ); - capacity = 0; - start = 0; - addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character); - capacity = 0; - start = 0; - if (mime_bodyreply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); + if (subject.length==-1) + { + uschar *subject_def; + + subject_def=expand_string(US"${if def:header_subject {true}{false}}"); + if (Ustrcmp(subject_def,"true")==0) + { + expand_header(&subject,&str_subject); + capacity=6; + start=6; + subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length); + subject.length=start; + } + else + { + subject.character=US"Automated reply"; + subject.length=Ustrlen(subject.character); + } + } + + /* add address to list of generated addresses */ + + addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); + setflag(addr, af_pfr); + setflag(addr, af_ignore_error); + addr->next = *generated; + *generated = addr; + addr->reply = store_get(sizeof(reply_item)); + memset(addr->reply,0,sizeof(reply_item)); /* XXX */ + addr->reply->to = string_copy(sender_address); + if (from.length==-1) + addr->reply->from = expand_string(US"$local_part@$domain"); + else + addr->reply->from = from.character; + /* Allocation is larger than neccessary, but enough even for split MIME words */ + buffer_capacity=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; + addr->reply->once_repeat=days*86400; + + /* build body and MIME headers */ + + if (reason_is_mime) + { + uschar *mime_body,*reason_end; + static const uschar nlnl[]="\r\n\r\n"; + + for + ( + mime_body=reason.character,reason_end=reason.character+reason.length; + mime_body<(reason_end-(sizeof(nlnl)-1)) && memcmp(mime_body,nlnl,(sizeof(nlnl)-1)); + ++mime_body + ); + capacity = 0; + start = 0; + addr->reply->headers = string_cat(NULL,&capacity,&start,reason.character,mime_body-reason.character); + addr->reply->headers[start] = '\0'; + capacity = 0; + start = 0; + if (mime_body+(sizeof(nlnl)-1)reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); + addr->reply->text[start] = '\0'; + } + else + { + struct String qp; + + capacity = 0; + start = reason.length; + addr->reply->headers = US"MIME-Version: 1.0\n" + "Content-Type: text/plain;\n" + "\tcharset=\"utf-8\"\n" + "Content-Transfer-Encoding: quoted-printable"; + addr->reply->text = quoted_printable_encode(&reason,&qp)->character; + } } - else + } + else if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) { - struct String qp; - - capacity = 0; - start = reason.length; - addr->reply->headers = US"MIME-Version: 1.0\n" - "Content-Type: text/plain;\n" - "\tcharset=\"utf-8\"\n" - "Content-Transfer-Encoding: quoted-printable"; - addr->reply->text = quoted_printable_encode(&reason,&qp)->character; + debug_printf("Sieve: mail was not personal, vacation would ignore it\n"); } - } } } + else break; #endif - else break; } return 1; } @@ -2591,6 +2931,13 @@ filter->line=1; filter->keep=1; filter->require_envelope=0; filter->require_fileinto=0; +#ifdef ENVELOPE_AUTH +filter->require_envelope_auth=0; +#endif +#ifdef NOTIFY +filter->require_notify=0; +filter->notified=(struct Notification*)0; +#endif #ifdef SUBADDRESS filter->require_subaddress=0; #endif @@ -2603,7 +2950,7 @@ filter->require_iascii_numeric=0; if (parse_white(filter)==-1) return -1; -if (exec && filter->vacation_directory != NULL) /* 2nd test added by PH */ +if (exec && filter->vacation_directory != NULL && filter_test == FTEST_NONE) { DIR *oncelogdir; struct dirent *oncelog; @@ -2654,15 +3001,21 @@ while (parse_identifier(filter,CUS "require")) } for (check=cap; check->character; ++check) { - if (eq_asciicase(check,&str_envelope,0)) filter->require_envelope=1; - else if (eq_asciicase(check,&str_fileinto,0)) filter->require_fileinto=1; + if (eq_octet(check,&str_envelope,0)) filter->require_envelope=1; + else if (eq_octet(check,&str_fileinto,0)) filter->require_fileinto=1; +#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; +#endif #ifdef SUBADDRESS - else if (eq_asciicase(check,&str_subaddress,0)) filter->require_subaddress=1; + else if (eq_octet(check,&str_subaddress,0)) filter->require_subaddress=1; #endif #ifdef VACATION - else if (eq_asciicase(check,&str_vacation,0)) + else if (eq_octet(check,&str_vacation,0)) { - if (filter->vacation_directory == NULL) + if (filter_test == FTEST_NONE && filter->vacation_directory == NULL) { filter->errmsg=CUS "vacation disabled"; return -1; @@ -2670,10 +3023,11 @@ while (parse_identifier(filter,CUS "require")) filter->require_vacation=1; } #endif - else if (eq_asciicase(check,&str_copy,0)) filter->require_copy=1; - else if (eq_asciicase(check,&str_comparator_ioctet,0)) ; - else if (eq_asciicase(check,&str_comparator_iascii_casemap,0)) ; - else if (eq_asciicase(check,&str_comparator_iascii_numeric,0)) filter->require_iascii_numeric=1; + else if (eq_octet(check,&str_copy,0)) filter->require_copy=1; + else if (eq_octet(check,&str_comparator_ioctet,0)) ; + else if (eq_octet(check,&str_comparator_iascii_casemap,0)) ; + else if (eq_octet(check,&str_comparator_enascii_casemap,0)) ; + else if (eq_octet(check,&str_comparator_iascii_numeric,0)) filter->require_iascii_numeric=1; else { filter->errmsg=CUS "unknown capability"; @@ -2702,6 +3056,8 @@ Arguments: options controls whether various special things are allowed, and requests special actions (not currently used) sieve_vacation_directory where to store vacation "once" files + useraddress string expression for :user part of address + subaddress string expression for :subaddress part of address generated where to hang newly-generated addresses error where to pass back an error text @@ -2715,7 +3071,7 @@ Returns: FF_DELIVERED success, a significant action was taken int sieve_interpret(uschar *filter, int options, uschar *vacation_directory, - address_item **generated, uschar **error) + uschar *useraddress, uschar *subaddress, address_item **generated, uschar **error) { struct Sieve sieve; int r; @@ -2741,6 +3097,9 @@ else } } +sieve.useraddress = useraddress == NULL ? CUS "$local_part_prefix$local_part$local_part_suffix" : useraddress; +sieve.subaddress = subaddress; + #ifdef COMPILE_SYNTAX_CHECKER if (parse_start(&sieve,0,generated)==1) #else @@ -2750,12 +3109,12 @@ 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; } }