// ------------------------------------------------------------------ // GoldED+ // Copyright (C) 1990-1999 Odinn Sorensen // Copyright (C) 1999-2000 Alexander S. Aganichev // ------------------------------------------------------------------ // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of the // License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, // MA 02111-1307 USA // ------------------------------------------------------------------ // $Id$ // ------------------------------------------------------------------ // Random system and control info handling. // ------------------------------------------------------------------ #include #include #include #include // ------------------------------------------------------------------ int _use_fwd = true; // ------------------------------------------------------------------ bool isuucp(const char *name) { return strieql("UUCP", name) or (*AA->Internetgate().name and strieql(AA->Internetgate().name, name)); } // ------------------------------------------------------------------ char* MakeOrigin(GMsg* msg, const char* orig) { char buf[256]; char origin[100]; strxcpy(origin, orig, sizeof(origin)); if(msg->orig.net) msg->orig.make_string(buf, *AA->Netname() ? (*msg->odom ? msg->odom : AA->Netname()) : NULL); else AA->Aka().addr.make_string(buf, *AA->Netname() ? (*AA->Aka().domain ? AA->Aka().domain : AA->Netname()) : NULL); if(*origin == '@') GetRandomLine(origin, sizeof(origin), origin+1); sprintf(msg->origin, "%.*s (%s)", (int)(79 - 11 - 2 - strlen(buf) - 1), origin, buf); return msg->origin; } // ------------------------------------------------------------------ char* MakeTearline(GMsg* msg, char* buf) { if(*msg->tearline == '@') GetRandomLine(msg->tearline, sizeof(msg->tearline), msg->tearline+1); strcpy(stpcpy(buf, "--- "), strbtrim(msg->tearline)); return strtrim(buf); } // ------------------------------------------------------------------ void MakeFlags(GMsg* msg, Line** line, char* buf) { // The FrontDoor FLAGS netmail kludge if(CFG->switches.get(useflags)) { sprintf(buf, "\001FLAGS "); if(streql(AA->basetype(), "HUDSON")) { if(msg->attr.hld()) strcat(buf, "HLD "); if(msg->attr.frq()) strcat(buf, "FRQ "); } if(msg->attr.imm()) strcat(buf, "IMM "); if(msg->attr.dir()) strcat(buf, "DIR "); if(msg->attr.tfs()) strcat(buf, "TFS "); if(msg->attr.kfs()) strcat(buf, "KFS "); if(msg->attr.lok()) strcat(buf, "LOK "); if(msg->attr.a_s()) strcat(buf, "A/S "); if(msg->attr.zon()) strcat(buf, "ZON "); if(msg->attr.hub()) strcat(buf, "HUB "); if(msg->attr.xma()) strcat(buf, "XMA "); if(msg->attr.cfm()) strcat(buf, "CFM "); if(msg->attr.hir()) strcat(buf, "HIR "); if(msg->attr.cov()) strcat(buf, "COV "); if(msg->attr.sig()) strcat(buf, "SIG "); if(msg->attr.let()) strcat(buf, "LET "); if(msg->attr.fax()) strcat(buf, "FAX "); if(strlen(buf) > 7) { buf[strlen(buf)-1] = 0; *line = AddKludge(*line, buf); (*line)->kludge = GKLUD_FLAGS; } } } // ------------------------------------------------------------------ char* mime_header_encode(char* dest, const char* source, GMsg* msg) { bool inmime = false; const char* s = source; char* bp = dest; const char* lp; char* temp_src = (char*)throw_malloc(4096); if(*msg->charset) { if((msg->charsetlevel&3) and ChsTP) { char chln, *d = temp_src; for(uint len = 0; *s; s++) { char* tptr = (char*)ChsTP[(byte)*s]; chln = *tptr++; while(chln-- and (len < 4096)) { *(d++) = *tptr++; ++len; } if(len == 4096) break; } *d = NUL; s = temp_src; } } if(CFG->encodeemailheaders) { lp = s + strlen(s); while((lp>s) and in_range(char(lp[-1]), char(' '), char('\x7F'))) lp--; for(const char* ptr = s; *ptr and (ptrcharset) { bp = stpcpy(bp, "=?"); if(strnieql(msg->charset, "latin", 5)) { bp = Latin2ISO(bp, msg->charset); } else { char *pbp = bp; bp = stpcpy(bp, IsQuotedPrintable(msg->charset) ? ExtractPlainCharset(msg->charset) : strlword(msg->charset)); strlwr(pbp); } bp = stpcpy(bp, "?Q?"); } else { strcpy(bp, "=?iso-8859-1?Q?"); bp += 15; } inmime = true; } sprintf(bp, "=%02X", (*ptr)&0xff); bp += 3; } else *bp++ = *ptr; } if(inmime) { strcpy(bp, "?="); bp += 2; } } else lp = s; strcpy(bp, lp); throw_free(temp_src); return bp; } // ------------------------------------------------------------------ const char* get_informative_string(void) { static char informative_string[356] = ""; if(informative_string[0] == NUL) sprintf(informative_string, "%s%s%s%s %s%i.%i.%i%s (%s)", __gver_prename__, __gver_name__, __gver_postname__, __gver_platform__, __gver_preversion__, __gver_major__, __gver_minor__, __gver_release__, __gver_postversion__, ggetosstring()); return informative_string; } // ------------------------------------------------------------------ void DoKludges(int mode, GMsg* msg, int kludges) { char* buf = (char*)throw_malloc(4096); char* buf2 = (char*)throw_malloc(1024); Line* line; // Insert empty line at the top for practical purposes line = new Line(); throw_xnew(line); msg->lin = line = InsertLine(line, msg->lin, DIR_PREV); // Strip all the kludges we insert ourselves if(kludges == 0) kludges = (GKLUD_RFC|GKLUD_FWD|GKLUD_INTL|GKLUD_FMPT|GKLUD_TOPT|GKLUD_FLAGS|GKLUD_AREA|GKLUD_MSGID|GKLUD_REPLY|GKLUD_PID|GKLUD_CHARSET|GKLUD_KNOWN|GKLUD_PATH|GKLUD_SEENBY); while(line) { if(line->kludge & kludges) { bool waswrapped; do { waswrapped = make_bool(line->type & GLINE_WRAP); line = DeleteLine(line); } while(line and waswrapped); } else { line = line->next; } } for(line = msg->lin; line; line = line->next) if(not (line->type & (GLINE_HIDD|GLINE_KLUD))) break; if(kludges == GKLUD_FLAGS) { if(AA->isnet()) MakeFlags(msg, &line, buf); } else { if(not AA->isnet() and msg->areakludgeid) { sprintf(buf, "\001AREA:%s", msg->areakludgeid); line = AddKludge(line, buf); line->kludge = GKLUD_AREA; } if(AA->isnet()) { // 123456789012345678901234567 if(line->next and strneql(line->next->txt.c_str(), "-----BEGIN PGP ", 15)) { line = AddKludge(line, "\001ENC: PGP"); } // The INTL kludge for zone crossing if(CFG->useintl and (CFG->useintl == YES or (msg->dest.zone != msg->orig.zone))) { sprintf(buf, "\001INTL %u:%u/%u %u:%u/%u", msg->dest.zone ? msg->dest.zone : AA->Aka().addr.zone, msg->dest.net, msg->dest.node, msg->orig.zone ? msg->orig.zone : AA->Aka().addr.zone, msg->orig.net, msg->orig.node ); line = AddKludge(line, buf); line->kludge = GKLUD_INTL; } // The FMPT and TOPT kludges for point addressing if(msg->dest.point) { sprintf(buf, "\001TOPT %u", msg->dest.point); line = AddKludge(line, buf); line->kludge = GKLUD_TOPT; } if(msg->orig.point and msg->orig.net == msg->oorig.net and msg->orig.node == msg->oorig.node) { sprintf(buf, "\001FMPT %u", msg->orig.point); line = AddKludge(line, buf); line->kludge = GKLUD_FMPT; } MakeFlags(msg, &line, buf); } // The REPLY: kludge for Receiver identification if(CFG->switches.get(usemsgid) and *msg->replys) { sprintf(buf, "\001REPLY: %s", msg->replys); line = AddKludge(line, buf); line->kludge = GKLUD_REPLY; } // The MSGID: kludge for Origination identification if(AA->Internetmsgid() and *msg->iorig and AA->isinternet()) { // User configured Internetdomain, use it if(*CFG->internetdomain) { strcpy(buf, CFG->internetdomain); } else { // Fallback method. Yes, its "Crosspoint"-style. Yes, it's not // Son-Of-RFC1036-compatible. Yes, I don't care. // '%' in domain name activates some braindead spamfilters, so // don't use it. I've had to realize that myself (Dirk). strcpy(buf, msg->iorig); strchg(buf, '@', '.'); } sprintf(buf2, "", getMsgId(), buf); throw_release(msg->messageid); msg->messageid = throw_strdup(buf2); CvtMessageIDtoMSGID(buf2, buf, AA->echoid(), "MSGID"); strcpy(msg->msgids, buf+8); } else { msg->orig.make_string(buf2, msg->odom); sprintf(msg->msgids, "%s %08lx", buf2, getMsgId()); } if(CFG->switches.get(usemsgid) and strcmp(AA->basetype(), "PCBOARD")) { sprintf(buf, "\001MSGID: %s", msg->msgids); line = AddKludge(line, buf); line->kludge = GKLUD_MSGID; } // The PID: (Product ID code) kludge strxmerge(msg->pid, sizeof(msg->pid), __gver_shortpid__, " ", __gver_ver__, NULL); if(CFG->usepid and (CFG->switches.get(emptytearline) or not (striinc(__gver_longpid__, msg->tearline)))) { sprintf(buf, "\001PID: %s", msg->pid); line = AddKludge(line, strtrim(buf)); line->kludge = GKLUD_PID; } // The CHARSET kludge if(CFG->usecharset and *msg->charset) { *buf = NUL; if(strieql(msg->charset, "I51")) strcpy(buf, "\001I51"); else if(not strieql(msg->charset, "COMPOSED")) sprintf(buf, "\001%s: %s", CFG->switches.get(kludgechrs) ? "CHRS" : "CHARSET", msg->charset); if(*buf) { line = AddKludge(line, buf); line->kludge = GKLUD_CHARSET; } } // The TZUTC kludge for timezone info if(AA->Usetzutc()) { int __tzoffset = tzoffset(); sprintf(buf, "\001TZUTC: %0*d", (__tzoffset < 0) ? 5 : 4, __tzoffset); line = AddKludge(line, buf); line->kludge = GKLUD_KNOWN; } // The FWD* kludges if(_use_fwd) { int _xlat_level = CharTable ? (CharTable->level ? CharTable->level : 2) : 0; if(*msg->fwdfrom) { strcpy(buf, "\001FWDFROM "); XlatStr(buf + 9, msg->fwdfrom, _xlat_level, CharTable); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } if(msg->fwdorig.net) { sprintf(buf, "\001FWDORIG %s", msg->fwdorig.make_string(buf2)); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } if(*msg->fwdto) { strcpy(buf, "\001FWDTO "); XlatStr(buf + 7, msg->fwdto, _xlat_level, CharTable); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } if(msg->fwddest.net) { sprintf(buf, "\001FWDDEST %s", msg->fwddest.make_string(buf2)); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } if(*msg->fwdsubj) { strcpy(buf, "\001FWDSUBJ "); XlatStr(buf + 9, msg->fwdsubj, _xlat_level, CharTable); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } if(*msg->fwdarea) { sprintf(buf, "\001FWDAREA %s", msg->fwdarea); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } if(*msg->fwdmsgid) { sprintf(buf, "\001FWDMSGID %s", msg->fwdmsgid); line = AddKludge(line, buf); line->kludge = GKLUD_FWD; } } if(AA->isinternet()) { const char* rfc = AA->Internetrfcbody() ? "" : "\001"; if(*msg->ito or strchr(msg->to, '@')) { INam _toname; IAdr _toaddr; char* ptr = *msg->ito ? msg->ito : msg->to; strxcpy(buf2, ptr, 1024); ParseInternetAddr(buf2, _toname, _toaddr); /*--- if(_toname[0] != NUL) { mime_header_encode(buf2, _toname, msg); char quot[2] = "\""; if((buf2[0] == '\"') or (strpbrk(buf2, " \t") == NULL)) quot[0] = NUL; sprintf(buf, "%s%sTo: %s%s%s <%s>", rfc, AA->isnewsgroup() ? "X-" : "", quot, buf2, quot, _toaddr); } else ---*/ if(stricmp(_toname, AA->Whoto())) { mime_header_encode(buf2, _toname, msg); char quot[2] = "\""; if((buf2[0] == '\"') or (strpbrk(buf2, " \t") == NULL)) quot[0] = NUL; sprintf(buf, "%s%sTo: %s%s%s <%s>", rfc, AA->isnewsgroup() ? "X-Comment-" : "", quot, buf2, quot, _toaddr); } line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(AA->isemail()) { if(*msg->icc) { int i = 0; while(strlen(msg->icc + i) > CFG->soupexportmargin) { char *prev = strchr(msg->icc+i, ','); if(prev == NULL) break; else { char *curr = prev; while((curr - (msg->icc + i)) < CFG->soupexportmargin) { prev = curr; curr = strchr(prev+1, ','); if(curr == NULL) break; } *prev = NUL; sprintf(buf, "%sCc: %s", rfc, msg->icc + i); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; *prev = ','; i = prev + 2 - msg->icc; } } sprintf(buf, "%sCc: %s", rfc, msg->icc + i); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(*msg->ibcc) { int i = 0; while(strlen(msg->ibcc + i) > CFG->soupexportmargin) { char *prev = strchr(msg->ibcc+i, ','); if(prev == NULL) break; else { char *curr = prev; while((curr - (msg->ibcc + i)) < CFG->soupexportmargin) { prev = curr; curr = strchr(prev+1, ','); if(curr == NULL) break; } *prev = NUL; sprintf(buf, "%sBcc: %s", rfc, msg->ibcc + i); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; *prev = ','; i = prev + 2 - msg->ibcc; } } sprintf(buf, "%sBcc: %s", rfc, msg->ibcc + i); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } } if(CFG->internetviagate) { mime_header_encode(buf2, msg->by, msg); strxcpy(msg->by, buf2, sizeof(INam)); mime_header_encode(buf2, msg->to, msg); strxcpy(msg->to, buf2, sizeof(INam)); if(not (msg->attr.frq() or msg->attr.att() or msg->attr.urq())) { mime_header_encode(buf2, msg->re, msg); strxcpy(msg->re, buf2, sizeof(ISub)); } if(AA->Internetrfcbody() and not AA->isnewsgroup() and line->next) { do { const char *nline_txt = line->next->txt.c_str(); if(strblank(nline_txt)) break; else if(not strnieql(nline_txt, "XPost:", 6) and not strnieql(nline_txt, "Copy:", 5) and not strnieql(nline_txt, "BCopy:", 6)) { line = AddKludge(line, ""); line->kludge = GKLUD_RFC; break; } line = line->next; } while(line->next); } } else { if(*msg->ifrom) { INam _fromname; IAdr _fromaddr; strcpy(buf2, msg->ifrom); ParseInternetAddr(buf2, _fromname, _fromaddr); if(_fromname[0] != NUL) { mime_header_encode(buf2, _fromname, msg); char quot[2] = "\""; if((buf2[0] == '\"') or (strpbrk(buf2, " \t") == NULL)) quot[0] = NUL; sprintf(buf, "%sFrom: %s%s%s <%s>", rfc, quot, buf2, quot, _fromaddr); } else sprintf(buf, "%sFrom: %s", rfc, msg->ifrom); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } else if(*msg->iorig) { mime_header_encode(buf2, msg->By(), msg); if(*buf2) { char quot[2] = "\""; if((buf2[0] == '\"') or (strpbrk(buf2, " \t") == NULL)) quot[0] = NUL; sprintf(buf, "%sFrom: %s%s%s <%s>", rfc, quot, buf2, quot, msg->iorig); } else sprintf(buf, "%sFrom: %s", rfc, msg->iorig); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(AA->isnewsgroup()) { sprintf(buf, "%sNewsgroups: %s", rfc, strlwr(strcpy(buf2, AA->echoid()))); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(*msg->re) { mime_header_encode(buf2, msg->re, msg); sprintf(buf, "%sSubject: %s", rfc, buf2); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } struct tm* tm = ggmtime(&msg->written); sprintf(buf, "%sDate: %s, %02d %s %04d %02d:%02d:%02d", rfc, __gsweekday[tm->tm_wday], tm->tm_mday, __gsmonth[tm->tm_mon], 1900+tm->tm_year, tm->tm_hour, tm->tm_min, tm->tm_sec ); if(AA->Usetzutc()) sprintf(buf + strlen(buf), " %+05d", tzoffset()); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; if(msg->messageid) { sprintf(buf, "%sMessage-ID: %s", rfc, msg->messageid); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(msg->references) { sprintf(buf, "%sReferences: %s", rfc, msg->references); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(msg->inreplyto) { sprintf(buf, "%sIn-Reply-To: %s", rfc, msg->inreplyto); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(*msg->organization) { sprintf(buf, "%sOrganization: %s", rfc, msg->organization); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } sprintf(buf, "%sMIME-Version: 1.0", rfc); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; char encoding[100]; bool isusascii = make_bool(striinc("ASCII", msg->charset)); bool isqp = not isusascii and IsQuotedPrintable(msg->charset); if(strnieql(msg->charset, "latin", 5)) Latin2ISO(encoding, msg->charset); else if(isusascii) strcpy(encoding, "us-ascii"); else if(isqp) strcpy(encoding, ExtractPlainCharset(msg->charset)); else strcpy(encoding, msg->charset); strlwr(encoding); sprintf(buf, "%sContent-Type: text/plain; charset=%s", rfc, strlword(encoding)); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; sprintf(buf, "%sContent-Transfer-Encoding: %s", rfc, isqp ? "quoted-printable" : isusascii ? "7bit" : "8bit"); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; if(*msg->iorig) { mime_header_encode(buf2, msg->By(), msg); char quot[2] = "\""; if((buf2[0] == '\"') or (strpbrk(buf2, " \t") == NULL)) quot[0] = NUL; sprintf(buf, "%sSender: %s%s%s <%s>", rfc, quot, buf2, quot, msg->iorig); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if((*msg->ireplyto or *CFG->soupreplyto) and (not streql(*msg->ireplyto ? msg->ireplyto : CFG->soupreplyto, msg->iorig))) { sprintf(buf, "%sReply-To: %s", rfc, *msg->ireplyto ? msg->ireplyto : CFG->soupreplyto); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(striinc("MNEMONIC", msg->charset)) { sprintf(buf, "%sX-Charset: ISO_8859-1", rfc); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; sprintf(buf, "%sX-Char-Esc: 29", rfc); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(AA->isnewsgroup() or AA->isemail()) { sprintf(buf, "%sX-%s: %s", rfc, AA->isnewsgroup() ? "Newsreader" : "Mailreader", get_informative_string()); line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } if(AA->Internetrfcbody() and line->next and not strblank(line->next->txt.c_str())) { line = AddKludge(line, ""); line->kludge = GKLUD_RFC; } } } else if(((mode != MODE_CHANGE) or AA->Internetrfcbody()) and AA->isnet()) { if(*msg->ito) { sprintf(buf, "To: %s", msg->ito); if(AA->Internetrfcbody()) { line = AddKludge(line, buf); line->kludge = GKLUD_RFC; } else { line = AddLine(line, buf); } if(line->next and not strblank(line->next->txt.c_str())) { if(AA->Internetrfcbody()) { line = AddKludge(line, ""); line->kludge = GKLUD_RFC; } else { line = AddLine(line, ""); } } } } } // Reset line pointer msg->lin = DeleteLine(msg->lin); MsgLineReIndex(msg, YES, YES, YES); throw_free(buf); throw_free(buf2); } // ------------------------------------------------------------------ void DoTearorig(int mode, GMsg* msg) { uint ctrlinfo; char buf[256]; char* ptr; Line* line = msg->lin; Line* newline; std::string origin; origin = AA->Origin(); if(AA->Taglinesupport()) { if(*msg->tagline == '@') GetRandomLine(msg->tagline, sizeof(msg->tagline), msg->tagline+1); TokenXlat(mode, msg->tagline, msg, msg, CurrArea); strbtrim(msg->tagline); } TokenXlat(mode, msg->tearline, msg, msg, CurrArea); ctrlinfo = AA->Ctrlinfo(); if(not *msg->origin) MakeOrigin(msg, origin.c_str()); // Delete current tag-, tear- and originlines int deltypes = GLINE_TEAR|GLINE_ORIG; if(AA->Taglinesupport()) deltypes |= GLINE_TAGL; while(line) { if(line->type & deltypes) { if(line == msg->lin) msg->lin = NULL; newline = line; Line* nextline = newline->next; line = DeleteLine(line); if(nextline == NULL) line = NULL; } else line = line->next; } // Make sure there is a blank line at the bottom, just before the tearline // Unless the line is a tagline (..., ___ etc). line = LastLine(msg->lin); if(line == NULL) msg->lin = line = AddLine(NULL, ""); // Check and fix originline if(*msg->origin) { ptr = strrchr(msg->origin, '(' /*)*/ ); if(ptr) { if(ptr != msg->origin) *((ptr++)-1) = NUL; else *ptr++ = NUL; origin = msg->origin; } else origin = msg->origin; } MakeOrigin(msg, origin.c_str()); TokenXlat(mode, msg->tagline, msg, msg, CurrArea); TokenXlat(mode, msg->tearline, msg, msg, CurrArea); TokenXlat(mode, msg->origin, msg, msg, CurrArea); // Add the tagline, tearline and origin as defined if(AA->Taglinesupport() and *msg->tagline) { sprintf(buf, "%c%c%c %s", AA->Taglinechar(), AA->Taglinechar(), AA->Taglinechar(), msg->tagline); strtrim(buf); line = AddLine(line, buf); line->type |= GLINE_TAGL; } if(ctrlinfo & CI_TEAR) { line = AddLine(line, MakeTearline(msg, buf)); line->type |= GLINE_TEAR; } if(ctrlinfo & CI_ORIG) { sprintf(buf, " * Origin: %s", msg->origin); line = AddLine(line, buf); line->type |= GLINE_ORIG; } } // ------------------------------------------------------------------