X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Fsieve.c;h=c7adfe169cc715943a3b6e91119dfa022b70475f;hb=f9ba5e2255cf18092750fffacb6a9603571a2be5;hp=656b972477626fa95c8690684abb8fa774179002;hpb=f7572e5a358cd3d9581140b87e590d58b6c278f0;p=exim.git diff --git a/src/src/sieve.c b/src/src/sieve.c index 656b97247..c7adfe169 100644 --- a/src/src/sieve.c +++ b/src/src/sieve.c @@ -1,11 +1,11 @@ -/* $Cambridge: exim/src/src/sieve.c,v 1.31 2007/09/28 12:21:57 tom Exp $ */ - /************************************************* * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) Michael Haardt 2003-2007 */ -/* See the file NOTICE for conditions of use and distribution. */ +/* Copyright (c) Michael Haardt 2003 - 2015 + * Copyright (c) The Exim Maintainers 2016 - 2018 + * See the file NOTICE for conditions of use and distribution. + */ /* This code was contributed by Michael Haardt. */ @@ -71,6 +71,7 @@ struct Sieve int require_enotify; struct Notification *notified; #endif + uschar *enotify_mailto_owner; #ifdef SUBADDRESS int require_subaddress; #endif @@ -108,6 +109,38 @@ struct Notification 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); @@ -147,6 +180,8 @@ 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"; @@ -199,6 +234,9 @@ uschar *new = NULL; uschar ch; size_t line; +/* Two passes: one to count output allocation size, second +to do the encoding */ + for (pass=0; pass<=1; ++pass) { line=0; @@ -212,55 +250,47 @@ for (pass=0; pass<=1; ++pass) for (start=src->character,end=start+src->length; start=73) + if (line>=73) /* line length limit */ { if (pass==0) dst->length+=2; else { - *new++='='; + *new++='='; /* line split */ *new++='\n'; } line=0; } - if - ( - (ch>=33 && ch<=60) - || (ch>=62 && ch<=126) - || - ( - (ch==9 || ch==32) - && start+2='!' && ch<='<') + || (ch>='>' && ch<='~') + || ( (ch=='\t' || ch==' ') + && start+2length; else - *new++=*start; + *new++=*start; /* copy char */ ++line; } - else if (ch=='\r' && start+1length; - line=0; - } else - *new++='\n'; - line=0; - ++start; + *new++='\n'; /* NL */ + line=0; + ++start; /* consume extra input char */ } else { if (pass==0) dst->length+=3; else - { - sprintf(CS new,"=%02X",ch); - new+=3; + { /* encoded char */ + new += sprintf(CS new,"=%02X",ch); } line+=3; } @@ -379,11 +409,14 @@ Returns -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) +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; +struct String to, hname; +struct String hvalue = {.character = NULL, .length = 0}; string_item *new; if (Ustrncmp(uri,"mailto:",7)) @@ -391,6 +424,7 @@ if (Ustrncmp(uri,"mailto:",7)) filter->errmsg=US "Unknown URI scheme"; return 0; } + uri+=7; if (*uri && *uri!='?') for (;;) @@ -399,22 +433,21 @@ if (*uri && *uri!='?') 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'; + gstring * g = string_catn(NULL, start, uri-start); + + to.character = string_from_gstring(g); + to.length = g->ptr; 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; + 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 { @@ -433,11 +466,10 @@ if (*uri=='?') for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*uri)); ++uri); if (uri>start) { - capacity=0; - hname.character=(uschar*)0; - hname.length=0; - hname.character=string_cat(hname.character,&capacity,&hname.length,start,uri-start); - hname.character[hname.length]='\0'; + gstring * g = string_catn(NULL, start, uri-start); + + hname.character = string_from_gstring(g); + hname.length = g->ptr; if (uri_decode(&hname)==-1) { filter->errmsg=US"Invalid URI encoding"; @@ -456,11 +488,10 @@ if (*uri=='?') for (start=uri; *uri && (isalnum(*uri) || strchr("$-_.+!*'(),%",*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'; + gstring * g = string_catn(NULL, start, uri-start); + + hname.character = string_from_gstring(g); + hname.length = g->ptr; if (uri_decode(&hvalue)==-1) { filter->errmsg=US"Invalid URI encoding"; @@ -487,7 +518,8 @@ if (*uri=='?') {US"date",4}, {US"from",4}, {US"message-id",10}, - {US"received",8} + {US"received",8}, + {US"auto-submitted",14} }; static struct String *end=ignore+sizeof(ignore)/sizeof(ignore[0]); struct String *i; @@ -495,13 +527,18 @@ if (*uri=='?') 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'; + gstring * g; + + if (header->length==-1) header->length = 0; + + g = string_catn(NULL, header->character, header->length); + g = string_catn(g, hname.character, hname.length); + g = string_catn(g, CUS ": ", 2); + g = string_catn(g, hvalue.character, hvalue.length); + g = string_catn(g, CUS "\n", 1); + + header->character = string_from_gstring(g); + header->length = g->ptr; } } if (*uri=='&') ++uri; @@ -608,8 +645,10 @@ 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 @@ -957,10 +996,10 @@ Arguments: Returns: quoted string */ -static const uschar *quote(const struct String *header) +static const uschar * +quote(const struct String *header) { -uschar *quoted=NULL; -int size=0,ptr=0; +gstring * quoted = NULL; size_t l; const uschar *h; @@ -971,26 +1010,20 @@ while (l) switch (*h) { case '\0': - { - quoted=string_cat(quoted,&size,&ptr,CUS "\\0",2); + quoted = string_catn(quoted, CUS "\\0", 2); break; - } case '$': case '{': case '}': - { - quoted=string_cat(quoted,&size,&ptr,CUS "\\",1); - } + quoted = string_catn(quoted, CUS "\\", 1); default: - { - quoted=string_cat(quoted,&size,&ptr,h,1); - } + quoted = string_catn(quoted, h, 1); } ++h; --l; } -quoted=string_cat(quoted,&size,&ptr,CUS "",1); -return quoted; +quoted = string_catn(quoted, CUS "", 1); +return string_from_gstring(quoted); } @@ -999,7 +1032,7 @@ 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: @@ -1010,33 +1043,36 @@ Arguments: Returns: nothing */ -static void add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage) +static void +add_addr(address_item **generated, uschar *addr, int file, int maxage, int maxmessages, int maxstorage) { address_item *new_addr; for (new_addr=*generated; new_addr; new_addr=new_addr->next) - { - if (Ustrcmp(new_addr->address,addr)==0 && (file ? testflag(new_addr, af_pfr|af_file) : 1)) + if ( Ustrcmp(new_addr->address,addr) == 0 + && ( !file + || testflag(new_addr, af_pfr) + || testflag(new_addr, af_file) + ) + ) { if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) - { debug_printf("Repeated %s `%s' ignored.\n",file ? "fileinto" : "redirect", addr); - } + return; } - } if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) - { debug_printf("%s `%s'\n",file ? "fileinto" : "redirect", addr); - } -new_addr=deliver_make_addr(addr,TRUE); + +new_addr = deliver_make_addr(addr,TRUE); if (file) { - setflag(new_addr, af_pfr|af_file); + setflag(new_addr, af_pfr); + setflag(new_addr, 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; } @@ -1436,12 +1472,14 @@ Returns: 1 success 0 identifier not matched */ -static int parse_string(struct Sieve *filter, struct String *data) +static int +parse_string(struct Sieve *filter, struct String *data) { -int dataCapacity=0; +gstring * g = NULL; + +data->length = 0; +data->character = NULL; -data->length=0; -data->character=(uschar*)0; if (*filter->pc=='"') /* quoted string */ { ++filter->pc; @@ -1449,11 +1487,17 @@ if (*filter->pc=='"') /* quoted string */ { if (*filter->pc=='"') /* end of string */ { - int foo=data->length; - ++filter->pc; + + if (g) + { + data->character = string_from_gstring(g); + data->length = g->ptr; + } + else + data->character = US"\0"; /* 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) @@ -1463,7 +1507,7 @@ if (*filter->pc=='"') /* quoted string */ } else if (*filter->pc=='\\' && *(filter->pc+1)) /* quoted character */ { - data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc+1,1); + g = string_catn(g, filter->pc+1, 1); filter->pc+=2; } else /* regular character */ @@ -1473,11 +1517,11 @@ if (*filter->pc=='"') /* quoted string */ #else if (*filter->pc=='\n') { - data->character=string_cat(data->character,&dataCapacity,&data->length,US"\r",1); + g = string_catn(g, US"\r", 1); ++filter->line; } #endif - data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); + g = string_catn(g, filter->pc, 1); filter->pc++; } } @@ -1519,7 +1563,7 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ if (*filter->pc=='\n') /* end of line */ #endif { - data->character=string_cat(data->character,&dataCapacity,&data->length,CUS "\r\n",2); + g = string_catn(g, CUS "\r\n", 2); #ifdef RFC_EOL filter->pc+=2; #else @@ -1532,10 +1576,15 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ if (*filter->pc=='.' && *(filter->pc+1)=='\n') /* end of string */ #endif { - int foo=data->length; + if (g) + { + data->character = string_from_gstring(g); + data->length = g->ptr; + } + else + data->character = US"\0"; + /* that way, there will be at least one character allocated */ - /* 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 @@ -1551,13 +1600,13 @@ else if (Ustrncmp(filter->pc,CUS "text:",5)==0) /* multiline string */ } else if (*filter->pc=='.' && *(filter->pc+1)=='.') /* remove dot stuffing */ { - data->character=string_cat(data->character,&dataCapacity,&data->length,CUS ".",1); + g = string_catn(g, CUS ".", 1); filter->pc+=2; } } else /* regular character */ { - data->character=string_cat(data->character,&dataCapacity,&data->length,filter->pc,1); + g = string_catn(g, filter->pc, 1); filter->pc++; } } @@ -1670,12 +1719,13 @@ Returns: 1 success -1 no string list found */ -static int parse_stringlist(struct Sieve *filter, struct String **data) +static int +parse_stringlist(struct Sieve *filter, struct String **data) { const uschar *orig=filter->pc; -int dataCapacity=0; -int dataLength=0; -struct String *d=(struct String*)0; +int dataCapacity = 0; +int dataLength = 0; +struct String *d = NULL; int m; if (*filter->pc=='[') /* string list */ @@ -1684,20 +1734,17 @@ if (*filter->pc=='[') /* string list */ for (;;) { if (parse_white(filter)==-1) goto error; - if ((dataLength+1)>=dataCapacity) /* increase buffer */ + if (dataLength+1 >= dataCapacity) /* increase buffer */ { struct String *new; - int newCapacity; /* Don't amalgamate with next line; some compilers grumble */ - newCapacity=dataCapacity?(dataCapacity*=2):(dataCapacity=4); - if ((new=(struct String*)store_get(sizeof(struct String)*newCapacity))==(struct String*)0) - { - filter->errmsg=CUstrerror(errno); - goto error; - } + + dataCapacity = dataCapacity ? dataCapacity * 2 : 4; + new = store_get(sizeof(struct String) * dataCapacity); + if (d) memcpy(new,d,sizeof(struct String)*dataLength); - d=new; - dataCapacity=newCapacity; + d = new; } + m=parse_string(filter,&d[dataLength]); if (m==0) { @@ -1934,7 +1981,7 @@ 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 @@ -2701,8 +2748,8 @@ 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) { @@ -2934,7 +2981,6 @@ while (*filter->pc) int m; struct String from; struct String importance; - struct String *options; struct String message; struct String method; struct Notification *already; @@ -2942,7 +2988,9 @@ while (*filter->pc) 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_enotify) { @@ -2953,7 +3001,6 @@ while (*filter->pc) from.length=-1; importance.character=(uschar*)0; importance.length=-1; - options=(struct String*)0; message.character=(uschar*)0; message.length=-1; recipient=NULL; @@ -2963,8 +3010,7 @@ while (*filter->pc) 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; @@ -3015,75 +3061,92 @@ while (*filter->pc) if (parse_semicolon(filter)==-1) return -1; if (parse_mailto_uri(filter,method.character,&recipient,&header,&subject,&body)!=1) return -1; - if (message.length==-1) message=subject; - if (message.length==-1) expand_header(&message,&str_subject); - - 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 */ + if (exec) { - 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; - 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("${if def:header_auto-submitted {true}{false}}")); + if (auto_submitted_value.character == NULL || auto_submitted_def == NULL) { - debug_printf("Notification to `%s': '%s'.\n",method.character,message.length!=-1 ? message.character : CUS ""); + filter->errmsg=CUS "header string expansion failed"; + return -1; } -#ifndef COMPILE_SYNTAX_CHECKER - if (exec && filter_test == FTEST_NONE) + if (Ustrcmp(auto_submitted_def,"true")!=0 || Ustrcmp(auto_submitted_value.character,"no")==0) { - string_item *p; - header_line *h; - int pid,fd; + for (already=filter->notified; already; already=already->next) + { + if (already->method.length==method.length + && (method.length==-1 || Ustrcmp(already->method.character,method.character)==0) + && already->importance.length==importance.length + && (importance.length==-1 || Ustrcmp(already->importance.character,importance.character)==0) + && already->message.length==message.length + && (message.length==-1 || Ustrcmp(already->message.character,message.character)==0)) + break; + } + if (already==(struct Notification*)0) + /* New notification, process it */ + { + struct Notification *sent; + sent=store_get(sizeof(struct Notification)); + sent->method=method; + sent->importance=importance; + sent->message=message; + sent->next=filter->notified; + filter->notified=sent; + #ifndef COMPILE_SYNTAX_CHECKER + if (filter_test == FTEST_NONE) + { + string_item *p; + int pid,fd; - if ((pid = child_open_exim2(&fd,envelope_to,envelope_to))>=1) + if ((pid = child_open_exim2(&fd,envelope_from,envelope_from))>=1) + { + FILE *f; + uschar *buffer; + int buffer_capacity; + + f = fdopen(fd, "wb"); + fprintf(f,"From: %s\n",from.length==-1 ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : from.character); + for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text); + fprintf(f,"Auto-Submitted: auto-notified; %s\n",filter->enotify_mailto_owner); + if (header.length>0) fprintf(f,"%s",header.character); + if (message.length==-1) + { + message.character=US"Notification"; + message.length=Ustrlen(message.character); + } + /* Allocation is larger than necessary, but enough even for split MIME words */ + buffer_capacity=32+4*message.length; + buffer=store_get(buffer_capacity); + if (message.length!=-1) fprintf(f,"Subject: %s\n",parse_quote_2047(message.character, message.length, US"utf-8", buffer, buffer_capacity, TRUE)); + fprintf(f,"\n"); + if (body.length>0) fprintf(f,"%s\n",body.character); + fflush(f); + (void)fclose(f); + (void)child_close(pid, 0); + } + } + if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) + { + debug_printf("Notification to `%s': '%s'.\n",method.character,message.length!=-1 ? message.character : CUS ""); + } +#endif + } + else { - FILE *f; - uschar *buffer; - int buffer_capacity; - - f = fdopen(fd, "wb"); - for (h = header_list; h != NULL; h = h->next) - if (h->type == htype_received) fprintf(f,"%s",h->text); - fprintf(f,"From: %s\n",from.length==-1 ? envelope_to : from.character); - for (p=recipient; p; p=p->next) fprintf(f,"To: %s\n",p->text); - if (header.length>0) fprintf(f,"%s",header.character); - if (message.length==-1) + if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) { - message.character=US"Notification"; - message.length=Ustrlen(message.character); + debug_printf("Repeated notification to `%s' ignored.\n",method.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); } } -#endif - } - else - { - if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) + else { - debug_printf("Repeated notification to `%s' ignored.\n",method.character); + if ((filter_test != FTEST_NONE && debug_selector != 0) || (debug_selector & D_filter) != 0) + { + debug_printf("Ignoring notification, triggering message contains Auto-submitted: field.\n"); + } } } } @@ -3222,15 +3285,13 @@ while (*filter->pc) if (exec) { address_item *addr; - int capacity,start; uschar *buffer; int buffer_capacity; - struct String key; md5 base; uschar digest[16]; uschar hexdigest[33]; int i; - uschar *once; + gstring * once; if (filter_personal(aliases,TRUE)) { @@ -3242,32 +3303,30 @@ while (*filter->pc) } /* build oncelog filename */ - key.character=(uschar*)0; - key.length=0; - capacity=0; + md5_start(&base); + 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); + gstring * key = NULL; + if (subject.length!=-1) key =string_catn(key, subject.character, subject.length); + if (from.length!=-1) key = string_catn(key, from.character, from.length); + key = string_catn(key, reason_is_mime?US"1":US"0", 1); + key = string_catn(key, reason.character, reason.length); + md5_end(&base, key->s, key->ptr, digest); } else - key=handle; - md5_start(&base); - md5_end(&base, key.character, key.length, digest); + md5_end(&base, handle.character, handle.length, digest); + for (i = 0; i < 16; i++) sprintf(CS (hexdigest+2*i), "%02X", digest[i]); + 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); - } + if (filter_test == FTEST_NONE) { - 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'; + once = string_cat (NULL, filter->vacation_directory); + once = string_catn(once, US"/", 1); + once = string_catn(once, hexdigest, 33); /* process subject */ @@ -3278,11 +3337,12 @@ while (*filter->pc) subject_def=expand_string(US"${if def:header_subject {true}{false}}"); if (Ustrcmp(subject_def,"true")==0) { + gstring * g = string_catn(NULL, US"Auto: ", 6); + expand_header(&subject,&str_subject); - capacity=6; - start=6; - subject.character=string_cat(US"Auto: ",&capacity,&start,subject.character,subject.length); - subject.length=start; + g = string_catn(g, subject.character, subject.length); + subject.character = string_from_gstring(g); + subject.length = g->ptr; } else { @@ -3295,7 +3355,7 @@ while (*filter->pc) addr = deliver_make_addr(string_sprintf(">%.256s", sender_address), FALSE); setflag(addr, af_pfr); - setflag(addr, af_ignore_error); + addr->prop.ignore_error = TRUE; addr->next = *generated; *generated = addr; addr->reply = store_get(sizeof(reply_item)); @@ -3305,11 +3365,12 @@ while (*filter->pc) addr->reply->from = expand_string(US"$local_part@$domain"); else addr->reply->from = from.character; - /* Allocation is larger than neccessary, but enough even for split MIME words */ + /* Allocation is larger than necessary, but enough even for split MIME words */ buffer_capacity=32+4*subject.length; buffer=store_get(buffer_capacity); - addr->reply->subject=parse_quote_2047(subject.character, subject.length, US"utf-8", buffer, buffer_capacity, TRUE); - addr->reply->oncelog=once; + /* 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 = string_from_gstring(once); addr->reply->once_repeat=days*86400; /* build body and MIME headers */ @@ -3318,30 +3379,25 @@ while (*filter->pc) { uschar *mime_body,*reason_end; static const uschar nlnl[]="\r\n\r\n"; + gstring * g; 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.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; + + addr->reply->headers = string_copyn(reason.character, mime_body-reason.character); + if (mime_body+(sizeof(nlnl)-1)reply->text = string_cat(NULL,&capacity,&start,mime_body,reason_end-mime_body); - addr->reply->text[start] = '\0'; + addr->reply->text = string_copyn(mime_body, reason_end-mime_body); } else { - struct String qp = { NULL, 0 }; /* Keep compiler happy (PH) */ + struct String qp = { .character = NULL, .length = 0 }; /* Keep compiler happy (PH) */ - capacity = 0; - start = reason.length; addr->reply->headers = US"MIME-Version: 1.0\n" "Content-Type: text/plain;\n" "\tcharset=\"utf-8\"\n" @@ -3351,9 +3407,7 @@ while (*filter->pc) } } 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"); - } } } else break; @@ -3377,8 +3431,8 @@ 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; @@ -3467,7 +3521,15 @@ while (parse_identifier(filter,CUS "require")) 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; + 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; @@ -3515,7 +3577,8 @@ 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 @@ -3531,7 +3594,8 @@ 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; @@ -3557,6 +3621,20 @@ 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;