void copybottom(int forcebottom)
{
if (!omitbottom || forcebottom) {
copy(&qq,"text/bottom",flagcd);
if (flagcd) {
if (flagcd == 'B') {
encodeB("",0,&line,2); /* flush */
qmail_put(&qq,line.s,line.len);
}
hdr_boundary(0);
hdr_ctype(CTYPE_MESSAGE);
hdr_adds("Content-Disposition: inline; filename=request.msg");
qmail_puts(&qq,"\n");
}
qmail_puts(&qq,"Return-Path: <");
quote2("ed,sender);
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,">\n");
if (seek_begin(0) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_SEEK_INPUT));
if (qmail_copy(&qq,&ssin2,copylines) != 0)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (flagcd)
hdr_boundary(1);
} else {
if (flagcd == 'B') {
encodeB("",0,&line,2); /* flush even if no bottom */
qmail_put(&qq,line.s,line.len);
}
}
qmail_from(&qq,from.s);
}
void normal_bottom(char format)
/* Copies bottom text and the original message to the new message */
{
if (flagbottom) {
copy(&qq,"text/bottom",flagcd);
if (flagcd && format != RFC1153) {
if (flagcd == 'B') {
encodeB("",0,&line,2); /* flush */
qmail_put(&qq,line.s,line.len);
}
hdr_boundary(0);
hdr_ctype(CTYPE_MESSAGE);
hdr_adds("Content-Disposition: inline; filename=request.msg");
qmail_puts(&qq,"\n");
}
qmail_puts(&qq,"Return-Path: <");
if (!quote2("ed,sender)) die_nomem();
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,">\n");
if (seek_begin(0) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_SEEK_INPUT));
if (qmail_copy(&qq,&ssin2,copylines) != 0)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
} else {
if (flagcd == 'B' && format != RFC1153) {
encodeB("",0,&line,2); /* flush */
qmail_put(&qq,line.s,line.len);
}
}
}
void doit(int flagw)
{
unsigned int i;
int fd;
int match;
int fdhash;
const char *err;
fd = open_read(fn.s);
if (fd == -1) die_read();
substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
if (getln(&ssin,&addr,&match,'\0') == -1) die_read();
if (!match) { close(fd); return; }
if (!issub(workdir,0,addr.s)) { close(fd); /*XXX*/unlink(fn.s); return; }
cookie(hash,"",0,"",addr.s,"");
if (!stralloc_copys(&fnhash,workdir)) die_nomem();
if (!stralloc_cats(&fnhash,"/bounce/h/")) die_nomem();
if (!stralloc_catb(&fnhash,hash,1)) die_nomem();
if (!stralloc_cats(&fnhash,"/h")) die_nomem();
if (!stralloc_catb(&fnhash,hash+1,COOKIE-1)) die_nomem();
if (!stralloc_0(&fnhash)) die_nomem();
if (qmail_open(&qq, (stralloc *) 0) == -1)
strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE);
hdr_add2("Mailing-List: ",mailinglist.s,mailinglist.len);
if (listid.len > 0)
hdr_add2("\nList-ID: ",listid.s,listid.len);
hdr_datemsgid(now());
if (flagcd) {
if (!stralloc_0(&line)) die_nomem();
}
hdr_from("-help");
if (!quote2("ed,addr.s)) die_nomem();
hdr_add2("To: ",quoted.s,quoted.len);
/* to accomodate transfer-encoding */
hdr_mime(flagcd ? CTYPE_MULTIPART : CTYPE_TEXT);
hdr_listsubject1(flagw ? "probe from " : "warning from ");
if (flagcd) { /* first part for QP/base64 multipart msg */
hdr_boundary(0);
hdr_ctype(CTYPE_TEXT);
hdr_transferenc();
} else
qmail_puts(&qq,"\n");
copy(&qq,"text/top",flagcd);
copy(&qq,flagw ? "text/bounce-probe" : "text/bounce-warn",flagcd);
if (!flagw) {
if (flagdig)
copy(&qq,"text/dig-bounce-num",flagcd);
else
copy(&qq,"text/bounce-num",flagcd);
if (!flagcd) {
fdhash = open_read(fnhash.s);
if (fdhash == -1) {
if (errno != error_noent)
strerr_die4sys(111,FATAL,ERR_OPEN,fnhash.s,": ");
} else {
substdio_fdbuf(&sstext,read,fdhash,textbuf,sizeof(textbuf));
for(;;) {
if (getln(&sstext,&line,&match,'\n') == -1)
strerr_die4sys(111,FATAL,ERR_READ,fnhash.s,": ");
if (!match) break;
code_qput(line.s,line.len);
}
}
close(fdhash);
} else {
if (!stralloc_copys(&line,"")) die_nomem(); /* slurp adds! */
if (slurp(fnhash.s,&line,256) < 0)
strerr_die4sys(111,FATAL,ERR_OPEN,fnhash.s,": ");
code_qput(line.s,line.len);
}
}
copy(&qq,"text/bounce-bottom",flagcd);
if (flagcd) {
if (flagcd == 'B') {
encodeB("",0,&line,2);
qmail_put(&qq,line.s,line.len); /* flush */
}
hdr_boundary(0);
hdr_ctype(CTYPE_MESSAGE);
qmail_puts(&qq,"\n");
}
if (qmail_copy(&qq,&ssin,copylines) < 0) die_read();
close(fd);
if (flagcd) /* end multipart/mixed */
hdr_boundary(1);
strnum[fmt_ulong(strnum,when)] = 0;
cookie(hash,key.s,key.len,strnum,addr.s,flagw ? "P" : "W");
if (!stralloc_copy(&line,&outlocal)) die_nomem();
if (!stralloc_cats(&line,flagw ? "-return-probe-" : "-return-warn-"))
die_nomem();
if (!stralloc_cats(&line,strnum)) die_nomem();
if (!stralloc_cats(&line,".")) die_nomem();
if (!stralloc_catb(&line,hash,COOKIE)) die_nomem();
if (!stralloc_cats(&line,"-")) die_nomem();
i = str_chr(addr.s,'@');
if (!stralloc_catb(&line,addr.s,i)) die_nomem();
if (addr.s[i]) {
if (!stralloc_cats(&line,"=")) die_nomem();
if (!stralloc_cats(&line,addr.s + i + 1)) die_nomem();
}
if (!stralloc_cats(&line,"@")) die_nomem();
if (!stralloc_cat(&line,&outhost)) die_nomem();
if (!stralloc_0(&line)) die_nomem();
qmail_from(&qq,line.s);
qmail_to(&qq,addr.s);
if (*(err = qmail_close(&qq)) != '\0')
strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE, err + 1);
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_warn2("ezmlm-warn: info: qp ",strnum,0);
if (!flagw) {
if (unlink(fnhash.s) == -1)
if (errno != error_noent)
strerr_die4sys(111,FATAL,ERR_DELETE,fnhash.s,": ");
}
if (unlink(fn.s) == -1)
strerr_die4sys(111,FATAL,ERR_DELETE,fn.s,": ");
}
void main(int argc,char **argv)
{
char *sender;
char *def;
char *local;
char *action;
int flaginheader;
int flagcomment;
int flaggoodfield;
int flagdone;
int fd, fdlock;
int match;
const char *err;
char encin = '\0';
unsigned int start,confnum;
unsigned int pos,i;
int child;
int opt;
char *cp,*cpnext,*cpfirst,*cplast,*cpafter;
(void) umask(022);
sig_pipeignore();
when = now();
if (!stralloc_copys(&sendopt,"-")) die_nomem();
opt = getconfopt(argc,argv,options,1,&dir);
sender = get_sender();
if (!sender) strerr_die2x(100,FATAL,MSG(ERR_NOSENDER));
local = env_get("LOCAL");
if (!local) strerr_die2x(100,FATAL,MSG(ERR_NOLOCAL));
def = env_get("DEFAULT");
if (!def) strerr_die2x(100,FATAL,MSG(ERR_NODEFAULT));
if (!*sender)
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
if (!sender[str_chr(sender,'@')])
strerr_die2x(100,FATAL,MSG(ERR_ANONYMOUS));
if (str_equal(sender,"#@[]"))
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
/* local should be >= def, but who knows ... */
cp = local + str_len(local) - str_len(def) - 2;
if (cp < local) die_badformat();
action = local + byte_rchr(local,cp - local,'-');
if (action == cp) die_badformat();
action++;
if (!action[0]) die_badformat();
if (!str_start(action,ACTION_ACCEPT) && !str_start(action,ACTION_REJECT))
die_badformat();
start = str_chr(action,'-');
if (!action[start]) die_badformat();
confnum = 1 + start + str_chr(action + start + 1,'.');
if (!action[confnum]) die_badformat();
confnum += 1 + str_chr(action + confnum + 1,'.');
if (!action[confnum]) die_badformat();
if (!stralloc_copyb(&fnbase,action+start+1,confnum-start-1)) die_nomem();
if (!stralloc_0(&fnbase)) die_nomem();
cookie(hash,key.s,key.len,fnbase.s,"","a");
if (byte_diff(hash,COOKIE,action+confnum+1))
die_badformat();
fdlock = lockfile("mod/lock");
switch(checkfile(fnbase.s)) {
case 0:
strerr_die2x(100,FATAL,MSG(ERR_MOD_TIMEOUT));
case -1: /* only error if new request != action taken */
if (str_start(action,ACTION_ACCEPT))
strerr_die2x(0,INFO,MSG(ERR_MOD_ACCEPTED));
else
strerr_die2x(100,FATAL,MSG(ERR_MOD_ACCEPTED));
case -2:
if (str_start(action,ACTION_REJECT))
strerr_die2x(0,INFO,MSG(ERR_MOD_REJECTED));
else
strerr_die2x(100,FATAL,MSG(ERR_MOD_REJECTED));
default:
break;
}
/* Here, we have an existing filename in fnbase with the complete path */
/* from the current dir in fnmsg. */
if (str_start(action,ACTION_REJECT)) {
if (qmail_open(&qq, (stralloc *) 0) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_QMAIL_QUEUE));
/* Build recipient from msg return-path */
fd = open_read(fnmsg.s);
if (fd == -1) {
if (errno != error_noent)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,fnmsg.s));
else
strerr_die2x(100,FATAL,MSG(ERR_MOD_TIMEOUT));
}
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
if (getln(&sstext,&line,&match,'\n') == -1 || !match)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
maketo(); /* extract SENDER from return-path */
/* Build message */
hdr_add2s("Mailing-List: ",MSG(TXT_MAILING_LIST));
if (listid.len > 0)
hdr_add2("List-ID: ",listid.s,listid.len);
hdr_datemsgid(when);
hdr_from("-owner");
if (replyto)
hdr_add2s("Reply-To: ",replyto);
hdr_add2s("To: ",to.s);
hdr_subject(MSG(SUB_RETURNED_POST));
if (flagmime) {
hdr_mime(CTYPE_MULTIPART);
hdr_boundary(0);
hdr_ctype(CTYPE_TEXT);
hdr_transferenc();
}
copy(&qq,"text/top",flagcd);
copy(&qq,"text/mod-reject",flagcd);
flagcomment = 0;
flaginheader = 1;
if (!stralloc_copys(&text,"")) die_nomem();
if (!stralloc_ready(&text,1024)) die_nomem();
for (;;) { /* copy moderator's rejection comment */
if (getln(subfdin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
if (flaginheader) {
if (case_startb(line.s,line.len,"Content-Transfer-Encoding:")) {
pos = 26;
while (line.s[pos] == ' ' || line.s[pos] == '\t') ++pos;
if (case_startb(line.s+pos,line.len-pos,"base64"))
encin = 'B';
else if (case_startb(line.s+pos,line.len-pos,"quoted-printable"))
encin = 'Q';
}
if (line.len == 1)
flaginheader = 0;
} else
if (!stralloc_cat(&text,&line)) die_nomem();
} /* got body */
if (encin) {
if (encin == 'B')
decodeB(text.s,text.len,&line);
else
decodeQ(text.s,text.len,&line);
if (!stralloc_copy(&text,&line)) die_nomem();
}
cp = text.s;
cpafter = text.s + text.len;
if (!stralloc_copys(&line,"\n>>>>> -------------------- >>>>>\n"))
die_nomem();
flaggoodfield = 0;
flagdone = 0;
while ((cpnext = cp + byte_chr(cp,cpafter-cp,'\n')) != cpafter) {
i = byte_chr(cp,cpnext-cp,'%');
if (i <= 5 && cpnext-cp-i >= 3) {
/* max 5 "quote characters" and space for %%% */
if (cp[i+1] == '%' && cp[i+2] == '%') {
if (!flaggoodfield) { /* Start tag */
if (!stralloc_copyb("ed,cp,i)) die_nomem(); /* quote chars*/
flaggoodfield = 1;
cp = cpnext + 1;
cpfirst = cp;
continue;
} else { /* end tag */
if (flagdone) /* 0 no comment lines, 1 comment line */
flagdone = 2; /* 2 at least 1 comment line & end tag */
break;
}
}
}
if (flaggoodfield) {
cplast = cpnext - 1;
if (*cplast == '\r') /* CRLF -> '\n' for base64 encoding */
*cplast = '\n';
else
++cplast;
/* NUL is now ok, so the test for it was removed */
flagdone = 1;
i = cplast - cp + 1;
if (quoted.len && quoted.len <= i &&
!str_diffn(cp,quoted.s,quoted.len)) { /* quote chars */
if (!stralloc_catb(&line,cp+quoted.len,i-quoted.len)) die_nomem();
} else
if (!stralloc_catb(&line,cp,i)) die_nomem(); /* no quote chars */
}
cp = cpnext + 1;
}
if (flagdone == 2) {
if (!stralloc_cats(&line,"<<<<< -------------------- <<<<<\n")) die_nomem();
code_qput(line.s,line.len);
}
if (flagcd == 'B') {
encodeB("",0,&line,2);
qmail_put(&qq,line.s,line.len);
}
if (flagmime) {
hdr_boundary(0);
hdr_ctype(CTYPE_MESSAGE);
}
qmail_puts(&qq,"\n");
if (seek_begin(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_SEEK,fnmsg.s));
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
if (qmail_copy(&qq,&sstext,-1) != 0)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,fnmsg.s));
close(fd);
if (flagmime)
hdr_boundary(1);
if (!stralloc_copy(&line,&outlocal)) die_nomem();
if (!stralloc_cats(&line,"-return-@")) die_nomem();
if (!stralloc_cat(&line,&outhost)) die_nomem();
if (!stralloc_0(&line)) die_nomem();
qmail_from(&qq,line.s);
if (to.len)
qmail_to(&qq,to.s);
if (!stralloc_copys(&fnnew,"mod/rejected/")) die_nomem();
if (!stralloc_cats(&fnnew,fnbase.s)) die_nomem();
if (!stralloc_0(&fnnew)) die_nomem();
/* this is strictly to track what happended to a message to give informative */
/* messages to the 2nd-nth moderator that acts on the same message. Since */
/* this isn't vital we ignore errors. Also, it is no big ideal if unlinking */
/* the old file fails. In the worst case it gets acted on again. If we issue */
/* a temp error the reject will be redone, which is slightly worse. */
if (*(err = qmail_close(&qq)) == '\0') {
fd = open_trunc(fnnew.s);
if (fd != -1)
close(fd);
unlink(fnmsg.s);
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_die2x(0,"ezmlm-moderate: info: qp ",strnum);
} else
strerr_die4x(111,FATAL,MSG(ERR_TMP_QMAIL_QUEUE),": ",err + 1);
} else if (str_start(action,ACTION_ACCEPT)) {
fd = open_read(fnmsg.s);
if (fd == -1) {
if (errno !=error_noent)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,fnmsg.s));
else /* shouldn't happen since we've got lock */
strerr_die3x(100,FATAL,fnmsg.s,MSG(ERR_MOD_TIMEOUT));
}
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
/* read "Return-Path:" line */
if (getln(&sstext,&line,&match,'\n') == -1 || !match)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
maketo(); /* extract SENDER to "to" */
env_put2("SENDER",to.s); /* set SENDER */
if (seek_begin(fd) == -1) /* rewind, since we read an entire buffer */
strerr_die2sys(111,FATAL,MSG1(ERR_SEEK,fnmsg.s));
if ((child = wrap_fork()) == 0) {
close(0);
dup(fd); /* make fnmsg.s stdin */
if (argc > opt + 1)
wrap_execvp((const char **)argv + opt);
else if (argc > opt)
wrap_execsh(argv[opt]);
else
wrap_execbin("/ezmlm-send", &sendopt, dir);
}
/* parent */
close(fd);
wrap_exitcode(child);
if (!stralloc_copys(&fnnew,"mod/accepted/")) die_nomem();
if (!stralloc_cats(&fnnew,fnbase.s)) die_nomem();
if (!stralloc_0(&fnnew)) die_nomem();
/* ignore errors */
fd = open_trunc(fnnew.s);
if (fd != -1)
close(fd);
unlink(fnmsg.s);
_exit(0);
}
}
void sendnotice(const char *d)
/* sends file pointed to by d to the address in the return-path of the */
/* message. */
{
unsigned int x,y;
const char *err;
if (qmail_open(&qq, (stralloc *) 0) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_QMAIL_QUEUE));
fd = open_read(d);
if (fd == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,d));
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
if (getln(&sstext,&line,&match,'\n') == -1) die_read();
if (!match) die_read();
if (!case_startb(line.s,line.len,"return-path:")) die_read();
x = 12 + byte_chr(line.s + 12,line.len-12,'<');
y = byte_rchr(line.s + x,line.len-x,'>');
if (x != line.len && x+y != line.len) {
if (!stralloc_copyb(&to,line.s+x+1, y-1)) die_nomem();
if (!stralloc_0(&to)) die_nomem();
} else
die_read();
hdr_add2s("Mailing-List: ",MSG(TXT_MAILING_LIST));
if (listid.len > 0)
hdr_add2("List-ID: ",listid.s,listid.len);
hdr_datemsgid(when+msgnum++);
hdr_from("-help");
hdr_subject(MSG(SUB_RETURNED_POST));
hdr_add2s("To: ",to.s);
if (flagmime) {
hdr_mime(CTYPE_MULTIPART);
hdr_boundary(0);
hdr_ctype(CTYPE_TEXT);
hdr_transferenc();
} else
qmail_puts(&qq,"\n\n");
copy(&qq,"text/top",flagcd);
copy(&qq,"text/mod-timeout",flagcd);
if (flagcd == 'B') {
encodeB("",0,&line,2);
qmail_put(&qq,line.s,line.len);
}
if (flagmime) {
hdr_boundary(0);
hdr_ctype(CTYPE_MESSAGE);
qmail_puts(&qq,"\n");
}
if (seek_begin(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_SEEK,d));
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
if (qmail_copy(&qq,&sstext,-1) != 0) die_read();
close (fd);
if (flagmime)
hdr_boundary(1);
if (!stralloc_copy(&line,&outlocal)) die_nomem();
if (!stralloc_cats(&line,"-return-@")) die_nomem();
if (!stralloc_cat(&line,&outhost)) die_nomem();
if (!stralloc_0(&line)) die_nomem();
qmail_from(&qq,line.s); /* sender */
qmail_to(&qq,to.s);
if (*(err = qmail_close(&qq)) != '\0')
strerr_die4x(111,FATAL,MSG(ERR_TMP_QMAIL_QUEUE),": ", err + 1);
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_warn2("ezmlm-clean: info: qp ",strnum,0);
}
void main(int argc,char **argv)
{
char *dir;
char *action;
char *dtline;
char *nhost;
const char *err;
unsigned int i;
int match;
int opt;
sig_pipeignore();
while ((opt = getopt(argc,argv,"dDvV")) != opteof) {
switch (opt) {
case 'd': flagdo = 1; break;
case 'D': flagdo = 0; break;
case 'v':
case 'V':
strerr_die2x(0, "ezmlm-split version: ",auto_version);
default:
die_usage();
}
}
startup(dir = argv[optind++]);
load_config(dir);
if (!(split = argv[optind]))
split = "split";
if (flagdo) {
sender = env_get("SENDER");
if (!sender) strerr_die2x(100,FATAL,ERR_NOSENDER);
if (!*sender)
strerr_die2x(100,FATAL,ERR_BOUNCE);
if (!sender[str_chr(sender,'@')])
strerr_die2x(100,FATAL,ERR_ANONYMOUS);
if (str_equal(sender,"#@[]"))
strerr_die2x(100,FATAL,ERR_BOUNCE);
action = env_get("DEFAULT");
if (!action) strerr_die2x(100,FATAL,ERR_NODEFAULT);
if (!stralloc_copys(&target,sender)) die_nomem();
if (action[0]) {
i = str_chr(action,'-');
if (action[i]) {
action[i] = '\0';
if (!stralloc_copys(&target,action + i + 1)) die_nomem();
i = byte_rchr(target.s,target.len,'=');
if (i < target.len)
target.s[i] = '@';
}
}
if (!stralloc_0(&target)) die_nomem();
if (case_diffs(action,ACTION_SUBSCRIBE) &&
case_diffs(action,ALT_SUBSCRIBE) &&
case_diffs(action,ACTION_UNSUBSCRIBE) &&
case_diffs(action,ALT_UNSUBSCRIBE))
_exit(0); /* not for us */
if (findname()) {
/* new sender */
if (!stralloc_copy(&from,&outlocal)) die_nomem();
if (!stralloc_cats(&from,"-return-@")) die_nomem();
if (!stralloc_cat(&from,&outhost)) die_nomem();
if (!stralloc_0(&from)) die_nomem();
nhost = name.s + str_rchr(name.s,'@'); /* name must have '@'*/
*(nhost++) = '\0';
if (!stralloc_copys(&to,name.s)) die_nomem(); /* local */
if (!stralloc_append(&to,"-")) die_nomem(); /* - */
if (!stralloc_cats(&to,action)) die_nomem(); /* subscribe */
if (!stralloc_append(&to,"-")) die_nomem(); /* - */
if (target.s[i = str_rchr(target.s,'@')])
target.s[i] = '=';
if (!stralloc_cats(&to,target.s)) die_nomem(); /* target */
if (!stralloc_append(&to,"@")) die_nomem(); /* - */
if (!stralloc_cats(&to,nhost)) die_nomem(); /* host */
if (!stralloc_0(&to)) die_nomem();
dtline = env_get("DTLINE");
if (!dtline) strerr_die2x(100,FATAL,ERR_NODTLINE);
if (qmail_open(&qq,(stralloc *) 0) == -1)
strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE);
qmail_puts(&qq,dtline); /* delivered-to */
if (qmail_copy(&qq,subfdin,0) != 0)
strerr_die2sys(111,FATAL,ERR_READ_INPUT);
qmail_from(&qq,from.s);
qmail_to(&qq,to.s);
if (*(err = qmail_close(&qq)) != '\0')
strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE,err + 1);
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_die3x(99,INFO,"qp ",strnum);
}
_exit(0);
} else {
for (;;) {
if (getln(subfdin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,ERR_READ_INPUT);
if (!match) break;
if (line.len == 1) continue; /* ignore blank lines */
if (line.s[0] == '#') continue; /* ignore comments */
if (!stralloc_copy(&target,&line)) die_nomem();
target.s[target.len - 1] = '\0';
(void) findname();
if (!stralloc_cats(&name,": ")) die_nomem();
if (!stralloc_cats(&name,target.s)) die_nomem();
if (!stralloc_append(&name,"\n")) die_nomem();
if (substdio_put(subfdout,name.s,name.len) == -1)
strerr_die2sys(111,ERR_WRITE,"output: ");
}
if (substdio_flush(subfdout) == -1)
strerr_die2sys(111,ERR_FLUSH,"output: ");
_exit(0);
}
(void)argc;
}
int main(int argc,char **argv)
{
unsigned long maxmsgsize = 0L;
unsigned long minmsgsize = 0L;
unsigned long msgsize = 0L;
char linetype = ' ';
char *cp, *cpstart, *cpafter;
const char *dir;
const char *err;
const char *sender;
unsigned int len;
int match;
getconfopt(argc,argv,options,-1,&dir);
if (dir) {
startup(dir);
flagparsemime = 1; /* only if dir do we have mimeremove/reject */
if (getconf_line(&line,"msgsize",0)) {
if (!stralloc_0(&line)) die_nomem();
len = scan_ulong(line.s,&maxmsgsize);
if (line.s[len] == ':')
scan_ulong(line.s+len+1,&minmsgsize);
}
if (flagforward) {
if (!stralloc_copys(&mydtline,"Delivered-To: command forwarder for "))
die_nomem();
if (!stralloc_catb(&mydtline,outlocal.s,outlocal.len)) die_nomem();
if (!stralloc_cats(&mydtline,"@")) die_nomem();
if (!stralloc_catb(&mydtline,outhost.s,outhost.len)) die_nomem();
if (!stralloc_cats(&mydtline,"\n")) die_nomem();
}
} else {
flagtook = 1; /* if no "dir" we can't get outlocal/outhost */
flagforward = 0; /* nor forward requests */
}
sender = get_sender();
if (!sender)
die_sender();
if (!*sender)
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
if (flagparsemime) { /* set up MIME parsing */
if (getconf(&mimeremove,"mimekeep",0))
mimeremoveflag = 1;
else
getconf(&mimeremove,"mimeremove",0);
constmap_init(&mimeremovemap,mimeremove.s,mimeremove.len,0);
getconf(&mimereject,"mimereject",0);
constmap_init(&mimerejectmap,mimereject.s,mimereject.len,0);
}
if (flagheaderreject && dir) {
getconf(&headerreject,"headerreject",0);
constmap_init(&headerrejectmap,headerreject.s,headerreject.len,0);
}
for (;;) {
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
if (flagheaderreject && dir)
if (constmap(&headerrejectmap,line.s,byte_chr(line.s,line.len,':')))
strerr_die2x(100,FATAL,MSG(ERR_MAILING_LIST));
if (line.len == 1) break;
cp = line.s; len = line.len;
if ((*cp == ' ' || *cp == '\t')) {
switch(linetype) {
case 'T': if (!stralloc_catb(&to,cp,len-1)) die_nomem(); break;
case 'S': if (!stralloc_catb(&subject,cp,len-1)) die_nomem(); break;
case 'C': if (!stralloc_catb(&content,cp,len-1)) die_nomem(); break;
case 'P': if (!stralloc_catb(&precd,cp,len-1)) die_nomem(); break;
default: break;
}
} else {
if (!flagtook &&
(case_startb(cp,len,"to:") || case_startb(cp,len,"cc:"))) {
linetype = 'T'; /* cat so that To/Cc don't overwrite */
if (!stralloc_catb(&to,line.s + 3,line.len - 4)) die_nomem();
} else if ((flagneedsubject || flagrejectcommands) &&
case_startb(cp,len,"subject:")) {
if (!stralloc_copyb(&subject,cp+8,len-9)) die_nomem();
linetype = 'S';
} else if (case_startb(cp,len,"content-type:")) {
if (!stralloc_copyb(&content,cp+13,len-14)) die_nomem();
linetype = 'C';
} else if (case_startb(cp,len,"precedence:")) {
if (!stralloc_copyb(&precd,cp+11,len-12)) die_nomem();
linetype = 'P';
} else {
if (flagforward && line.len == mydtline.len) {
if (!byte_diff(line.s,line.len,mydtline.s))
strerr_die2x(100,FATAL,MSG(ERR_LOOPING));
}
linetype = ' ';
}
}
}
if (precd.len >= 4 &&
(!case_diffb(precd.s + precd.len - 4,4,"junk") ||
!case_diffb(precd.s + precd.len - 4,4,"bulk")))
strerr_die1x(99,MSG(ERR_JUNK)); /* ignore precedence junk/bulk */
cp = subject.s;
len = subject.len;
while (len && (cp[len-1] == ' ' || cp[len-1] == '\t')) --len;
while (len && ((*cp == ' ') || (*cp == '\t'))) { ++cp; --len; }
flaghavesubject = 1;
if (flagbody)
if ((len > 9 && case_starts(cp,"subscribe"))
|| (len > 11 && case_starts(cp,"unsubscribe")))
flaghavecommand = 1;
switch(len) {
case 0: flaghavesubject = 0; break;
case 4: if (!case_diffb("help",4,cp)) flaghavecommand = 1; break;
case 6: /* Why can't they just leave an empty subject empty? */
if (!case_diffb("(null)",6,cp))
flaghavesubject = 0;
else
if (!case_diffb("(none)",6,cp))
flaghavesubject = 0;
else
if (!case_diffb("remove",6,cp))
flaghavecommand = 1;
break;
case 9: if (!case_diffb("subscribe",9,cp)) flaghavecommand = 1; break;
case 11: if (!case_diffb("unsubscribe",11,cp)) flaghavecommand = 1; break;
case 12: if (!case_diffb("(no subject)",12,cp)) flaghavesubject = 0; break;
default: break;
}
if (!flagtook && !getto(&to))
strerr_die2x(exitquiet,FATAL,MSG(ERR_NO_ADDRESS));
if (flagneedsubject && !flaghavesubject)
strerr_die2x(100,FATAL,MSG(ERR_NO_SUBJECT));
if (flagrejectcommands && flaghavecommand) {
if (flagforward) { /* flagforward => forward */
if (qmail_open(&qq) == -1) /* open queue */
strerr_die2sys(111,FATAL,MSG(ERR_QMAIL_QUEUE));
qmail_put(&qq,mydtline.s,mydtline.len);
if (seek_begin(0) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_SEEK_INPUT));
if (qmail_copy(&qq,&ssin2,copylines) != 0)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!stralloc_copy(&to,&outlocal)) die_nomem();
if (!stralloc_cats(&to,"-request@")) die_nomem();
if (!stralloc_cat(&to,&outhost)) die_nomem();
if (!stralloc_0(&to)) die_nomem();
qmail_from(&qq,sender);
qmail_to(&qq,to.s);
if (*(err = qmail_close(&qq)) == '\0') {
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_die2x(99,"ezmlm-request: info: forward qp ",strnum);
} else
strerr_die4x(111,FATAL,MSG(ERR_TMP_QMAIL_QUEUE),": ",err + 1);
} else
strerr_die2x(100,FATAL,MSG(ERR_SUBCOMMAND));
}
if (content.len) { /* MIME header */
cp = content.s;
len = content.len;
while (len && (*cp == ' ' || *cp == '\t')) { ++cp; --len; }
cpstart = cp;
if (*cp == '"') { /* might be commented */
++cp; cpstart = cp;
while (len && *cp != '"') { ++cp; --len; }
} else {
while (len && *cp != ' ' && *cp != '\t' && *cp != ';') {
++cp; --len;
}
}
if (flagparsemime)
if ((!!constmap(&mimeremovemap,cpstart,cp-cpstart) ^ mimeremoveflag) ||
constmap(&mimerejectmap,cpstart,cp-cpstart)) {
*(cp) = (char) 0;
strerr_die2x(100,FATAL,MSG1(ERR_BAD_TYPE,cpstart));
}
cpafter = content.s+content.len;
while((cp += byte_chr(cp,cpafter-cp,';')) != cpafter) {
++cp;
while (cp < cpafter && (*cp == ' ' || *cp == '\t')) ++cp;
if (case_startb(cp,cpafter - cp,"boundary=")) {
cp += 9; /* after boundary= */
if (cp < cpafter && *cp == '"') {
++cp;
cpstart = cp;
while (cp < cpafter && *cp != '"') ++cp;
if (cp == cpafter)
strerr_die1x(100,MSG(ERR_MIME_QUOTE));
} else {
cpstart = cp;
while (cp < cpafter &&
*cp != ';' && *cp != ' ' && *cp != '\t') ++cp;
}
if (!stralloc_copys(&boundary,"--")) die_nomem();
if (!stralloc_catb(&boundary,cpstart,cp-cpstart))
die_nomem();
break;
}
} /* got boundary, now parse for parts */
}
for (;;) {
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
if (line.len == 1) {
flagcheck = 0;
continue;
/* Doesn't do continuation lines. _very_ unusual, and worst */
/* case one slips through that shouldn't have */
} else if (flagcheck && case_startb(line.s,line.len,"content-type:")) {
cp = line.s + 13;
len = line.len - 14; /* zap '\n' */
while (*cp == ' ' || *cp == '\t') { ++cp; --len; }
cpstart = cp;
if (*cp == '"') { /* quoted */
++cp; cpstart = cp;
while (len && *cp != '"') { ++cp; --len; }
} else { /* not quoted */
while (len && *cp != ' ' && *cp != '\t' && *cp != ';') {
++cp; --len;
}
}
if (flagparsemime && constmap(&mimerejectmap,cpstart,cp-cpstart)) {
*cp = '\0';
strerr_die2x(100,FATAL,MSG1(ERR_BAD_PART,cpstart));
}
} else if (boundary.len && *line.s == '-' && line.len > boundary.len &&
!str_diffn(line.s,boundary.s,boundary.len)) {
flagcheck = 1;
} else {
if (!msgsize && flagbody)
if (case_startb(line.s,line.len,"subscribe") ||
case_startb(line.s,line.len,"unsubscribe"))
strerr_die2x(100,FATAL,MSG(ERR_BODYCOMMAND));
if (!flagcheck) {
msgsize += line.len;
if (maxmsgsize && msgsize > maxmsgsize) {
strnum[fmt_ulong(strnum,maxmsgsize)] = 0;
strerr_die2x(100,FATAL,MSG1(ERR_MAX_SIZE,strnum));
}
}
}
}
if (msgsize < minmsgsize) {
strnum[fmt_ulong(strnum,minmsgsize)] = 0;
strerr_die2x(100,FATAL,MSG1(ERR_MIN_SIZE,strnum));
}
_exit(0);
}
int main(int argc,char **argv)
{
char strnum[FMT_ULONG];
char *action;
char *dtline;
char *nhost;
const char *err;
unsigned int i;
int match;
int opt;
sig_pipeignore();
opt = getconfopt(argc,argv,options,1,0);
if (!(split = argv[opt]))
split = "split";
if (flagdo) {
sender = get_sender();
if (!sender) die_sender();
if (!*sender)
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
if (!sender[str_chr(sender,'@')])
strerr_die2x(100,FATAL,MSG(ERR_ANONYMOUS));
if (str_equal(sender,"#@[]"))
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
action = env_get("DEFAULT");
if (!action) strerr_die2x(100,FATAL,MSG(ERR_NODEFAULT));
if (!stralloc_copys(&target,sender)) die_nomem();
if (action[0]) {
i = str_chr(action,'-');
if (action[i]) {
action[i] = '\0';
if (!stralloc_copys(&target,action + i + 1)) die_nomem();
i = byte_rchr(target.s,target.len,'=');
if (i < target.len)
target.s[i] = '@';
}
}
if (!stralloc_0(&target)) die_nomem();
if (case_diffs(action,ACTION_SUBSCRIBE) &&
case_diffs(action,ALT_SUBSCRIBE) &&
case_diffs(action,ACTION_UNSUBSCRIBE) &&
case_diffs(action,ALT_UNSUBSCRIBE))
_exit(0); /* not for us */
if (findname()) {
/* new sender */
if (!stralloc_copy(&from,&outlocal)) die_nomem();
if (!stralloc_cats(&from,"-return-@")) die_nomem();
if (!stralloc_cat(&from,&outhost)) die_nomem();
if (!stralloc_0(&from)) die_nomem();
nhost = name.s + str_rchr(name.s,'@'); /* name must have '@'*/
*(nhost++) = '\0';
if (!stralloc_copys(&to,name.s)) die_nomem(); /* local */
if (!stralloc_append(&to,'-')) die_nomem(); /* - */
if (!stralloc_cats(&to,action)) die_nomem(); /* subscribe */
if (!stralloc_append(&to,'-')) die_nomem(); /* - */
if (target.s[i = str_rchr(target.s,'@')])
target.s[i] = '=';
if (!stralloc_cats(&to,target.s)) die_nomem(); /* target */
if (!stralloc_append(&to,'@')) die_nomem(); /* - */
if (!stralloc_cats(&to,nhost)) die_nomem(); /* host */
if (!stralloc_0(&to)) die_nomem();
dtline = env_get("DTLINE");
if (!dtline) strerr_die2x(100,FATAL,MSG(ERR_NODTLINE));
if (qmail_open(&qq) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_QMAIL_QUEUE));
qmail_puts(&qq,dtline); /* delivered-to */
if (qmail_copy(&qq,subfdin,0) != 0)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
qmail_from(&qq,from.s);
qmail_to(&qq,to.s);
if (*(err = qmail_close(&qq)) != '\0')
strerr_die4x(111,FATAL,MSG(ERR_TMP_QMAIL_QUEUE),": ",err + 1);
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_die3x(99,INFO,"qp ",strnum);
}
_exit(0);
} else {
for (;;) {
if (getln(subfdin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
if (line.len == 1) continue; /* ignore blank lines */
if (line.s[0] == '#') continue; /* ignore comments */
if (!stralloc_copy(&target,&line)) die_nomem();
target.s[target.len - 1] = '\0';
(void) findname();
if (!stralloc_cats(&name,": ")) die_nomem();
if (!stralloc_cats(&name,target.s)) die_nomem();
if (!stralloc_append(&name,'\n')) die_nomem();
if (substdio_put(subfdout,name.s,name.len) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT));
}
if (substdio_flush(subfdout) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_FLUSH_STDOUT));
_exit(0);
}
(void)argc;
}
