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deb-goldedplus/golded3/gectrl.cpp
2001-11-17 21:28:10 +00:00

712 lines
21 KiB
C++

// ------------------------------------------------------------------
// 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 <golded.h>
#include <gutlcode.h>
#include <gutlmisc.h>
#include <gtimall.h>
// ------------------------------------------------------------------
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(AA->ishudson()) {
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(lp[-1], ' ', '\x7F'))
lp--;
for(const char* ptr = s; *ptr and (ptr<lp); ptr++) {
if(iscntrl(*ptr) or not isascii(*ptr) or (inmime and strchr(" =?", *ptr))) {
if(not inmime) {
if(msg->charset) {
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%i.%i.%i%s (%s)",
__gver_prename__, __gver_name__, __gver_postname__,
__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
int stripkludges = (~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 & stripkludges) {
bool waswrapped;
do {
waswrapped = (line->type & GLINE_WRAP) ? true : false;
line = DeleteLine(line);
} while(line and waswrapped);
}
else {
line = line->next;
}
}
line = msg->lin;
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, "<GED%08lX@%s>", time(NULL)+(msgcount++), 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, time(NULL)+(msgcount++));
}
if(CFG->switches.get(usemsgid) and not AA->ispcboard()) {
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) {
if(*msg->fwdfrom) {
sprintf(buf, "\001FWDFROM %s", msg->fwdfrom);
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) {
sprintf(buf, "\001FWDTO %s", msg->fwdto);
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) {
sprintf(buf, "\001FWDSUBJ %s", msg->fwdsubj);
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(AA->isemail() and (*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
sprintf(buf, "%s%sTo: %s", rfc, AA->isnewsgroup() ? "X-" : "", ptr);
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) {
const char *nline_txt = line->next->txt.c_str();
if(not strblank(nline_txt) and 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;
}
}
}
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 = gmtime(&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 = 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);
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;
}
}
}
}
// 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;
}
}
// ------------------------------------------------------------------