int geton(const char *action)
{
const char *fl;
int r;
unsigned int i;
unsigned char ch;
fl = get_from(target.s,action); /* try to match up */
r = subscribe(workdir,target.s,1,fl,(*action == ACTION_RC[0]) ? "+mod" : "+",-1);
if (flagdig == FLD_DENY || flagdig == FLD_ALLOW)
strerr_die2x(0,INFO,MSG1(ERR_EXTRA_SUB,target.s));
switch (r) {
case 1:
qmail_puts(&qq,"List-Unsubscribe: <mailto:"); /*rfc2369 */
qmail_put(&qq,outlocal.s,outlocal.len);
qmail_puts(&qq,"-unsubscribe-");
/* url-encode since verptarget is controlled by sender */
/* note &verptarget ends in '\0', hence len - 1! */
for (i = 0; i < verptarget.len - 1; i++) {
ch = verptarget.s[i];
if (str_chr("\"?;<>&/:%+#",ch) < 10 ||
(ch <= ' ') || (ch & 0x80)) {
urlstr[1] = hex[ch / 16];
urlstr[2] = hex[ch & 0xf];
qmail_put(&qq,urlstr,3);
} else {
qmail_put(&qq,verptarget.s + i, 1);
}
}
qmail_puts(&qq,"@");
qmail_put(&qq,outhost.s,outhost.len); /* safe */
qmail_puts(&qq,">\n");
hdr_subject(MSG(SUB_WELCOME));
hdr_ctboundary();
stralloc_copy(&confirm,&outlocal);
stralloc_cats(&confirm,"-unsubscribe-");
stralloc_cats(&confirm,verptarget.s);
stralloc_append(&confirm,'@');
stralloc_cat(&confirm,&outhost);
stralloc_0(&confirm);
set_cpconfirm(confirm.s,outlocal.len); /* for !R in copy */
copy(&qq,"text/top",flagcd);
copy_act("text/sub-ok");
break;
default:
if (str_start(action,ACTION_TC))
strerr_die2x(0,INFO,MSG(ERR_SUB_NOP));
hdr_subject(MSG(SUB_SUBSCRIBE_NOP));
hdr_ctboundary();
copy(&qq,"text/top",flagcd);
copy_act("text/sub-nop");
break;
}
return r;
}
void doconfirm(const char *act)
/* This should only be called with valid act for sub/unsub confirms. If act */
/* is not ACTION_[RST]C, it is assumed to be an unsubscribe conf.*/
/* "act" is the first letter of desired confirm request only as STRING! */
{
strnum[fmt_ulong(strnum,when)] = 0;
cookie(hash,key.s,key.len-flagdig,strnum,target.s,act);
stralloc_copy(&confirm,&outlocal);
stralloc_append(&confirm,'-');
stralloc_catb(&confirm,act,1);
stralloc_cats(&confirm,"c.");
stralloc_cats(&confirm,strnum);
stralloc_append(&confirm,'.');
stralloc_catb(&confirm,hash,COOKIE);
stralloc_append(&confirm,'-');
stralloc_cats(&confirm,verptarget.s);
stralloc_append(&confirm,'@');
stralloc_cat(&confirm,&outhost);
stralloc_0(&confirm);
set_cpconfirm(confirm.s,outlocal.len); /* for copy */
set_cpaction(act);
set_cphash(hash);
set_cpwhen(when);
qmail_puts(&qq,"Reply-To: ");
quote2("ed,confirm.s);
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"\n");
hdr_subject((*act == ACTION_SC[0]) ? MSG(SUB_USR_SUBSCRIBE)
: (*act == ACTION_UC[0]) ? MSG(SUB_USR_UNSUBSCRIBE)
: (*act == ACTION_TC[0] || *act == ACTION_RC[0])
? MSG(SUB_MOD_SUBSCRIBE)
: MSG(SUB_MOD_UNSUBSCRIBE));
hdr_ctboundary();
copy(&qq,"text/top",flagcd);
}
static void do_edit(const char *action)
{
unsigned int i;
unsigned int len;
char ch;
/* only remote admins and only if -e is specified may edit */
if (!flagedit || remote.s == 0)
strerr_die2x(100,FATAL,MSG(ERR_NOT_AVAILABLE));
if (!ismod)
strerr_die2x(100,FATAL,MSG(ERR_NOT_ALLOWED));
len = str_len(ACTION_EDIT);
if (!case_starts(action,ACTION_EDIT))
len = str_len(ALT_EDIT);
if (action[len]) { /* -edit.file, not just -edit */
if (action[len] != '.')
strerr_die2x(100,FATAL,MSG(ERR_BAD_REQUEST));
showsend2("edit ",action+len+1);
stralloc_copys(&fnedit,"text/");
stralloc_cats(&fnedit,action+len+1);
stralloc_0(&fnedit);
case_lowerb(fnedit.s,fnedit.len);
i = 5; /* after the "text/" */
while ((ch = fnedit.s[i++])) {
if (((ch > 'z') || (ch < 'a')) && (ch != '_'))
strerr_die2x(100,FATAL,MSG(ERR_BAD_NAME));
if (ch == '_') fnedit.s[i-1] = '-';
}
switch(slurp(fnedit.s,&text,1024)) { /* entire file! */
case -1:
strerr_die2sys(111,FATAL,MSG1(ERR_READ,fnedit.s));
case 0:
strerr_die5x(100,FATAL,dir,"/",fnedit.s,MSG(ERR_NOEXIST));
}
stralloc_copy(&line,&text);
subst_nuls(&line);
stralloc_cat(&line,&fnedit); /* including '\0' */
strnum[fmt_ulong(strnum,(unsigned long) when)] = 0;
cookie(hash,key.s,key.len,strnum,line.s,"-e");
stralloc_copy(&confirm,&outlocal);
stralloc_append(&confirm,'-');
stralloc_catb(&confirm,ACTION_ED,LENGTH_ED);
stralloc_cats(&confirm,strnum);
stralloc_append(&confirm,'.');
/* action part has been checked for bad chars */
stralloc_cats(&confirm,action + len + 1);
stralloc_append(&confirm,'.');
stralloc_catb(&confirm,hash,COOKIE);
stralloc_append(&confirm,'@');
stralloc_cat(&confirm,&outhost);
stralloc_0(&confirm);
set_cpconfirm(confirm.s,outlocal.len);
set_cpaction(ACTION_ED);
set_cphash(hash);
set_cpwhen(when);
qmail_puts(&qq,"Reply-To: ");
quote2("ed,confirm.s);
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"\n");
hdr_subject(MSG1(SUB_EDIT_REQUEST,action+len+1));
hdr_ctboundary();
copy(&qq,"text/top",flagcd);
copy(&qq,"text/edit-do",flagcd);
(void) code_qputs(MSG(TXT_EDIT_START));
(void) code_qput(text.s,text.len);
(void) code_qputs(MSG(TXT_EDIT_END));
} else { /* -edit only, so output list of editable files */
hdr_subject(MSG(SUB_EDIT_LIST));
hdr_ctboundary();
copy(&qq,"text/top",flagcd);
copy_act("text/edit-list");
}
qmail_puts(&qq,"\n\n");
copybottom(0);
qmail_to(&qq,mod.s);
}
void main(int argc,char **argv)
{
char *dir;
int fdlock;
char *sender;
int match;
int flaginheader;
int flagmodpost;
int flagremote;
const char *pmod;
const char *err;
int opt;
unsigned int i;
char szchar[2] = "-";
int child;
(void) umask(022);
sig_pipeignore();
if (!stralloc_copys(&sendopt,"-")) die_nomem();
while ((opt = getopt(argc,argv,"bBcCmMpPrRsSvVyY")) != opteof)
switch(opt) {
case 'b': flagbody = 1; break;
case 'B': flagbody = 0; break;
case 'm': flagmime = 1; break;
case 'M': flagmime = 0; break;
case 'p': flagpublic = 1; break; /* anyone can post (still moderated)*/
case 'P': flagpublic = 0; break; /* only moderators can post */
case 's': flagself = 1; break; /* modpost and DIR/mod diff fxns */
case 'S': flagself = 0; break; /* same fxn */
case 'y': flagconfirm = 1; break; /* force post confirmation */
case 'Y': flagconfirm = 0; break; /* disable post confirmation */
case 'c': /* ezmlm-send flags */
case 'C':
case 'r':
case 'R':
szchar[0] = (char) opt & 0xff;
if (!stralloc_append(&sendopt,szchar)) die_nomem();
break;
case 'v':
case 'V': strerr_die2x(0,"ezmlm-store version: ",auto_version);
default:
die_usage();
}
sender = env_get("SENDER");
if (sender) {
if (!*sender || str_equal(sender,"#@[]"))
strerr_die2x(100,FATAL,ERR_BOUNCE);
}
startup(dir = argv[optind]);
load_config(dir);
if (flagconfirm == -1)
flagconfirm = getconf_line(&confirmpost,"confirmpost",0,dir);
else
getconf_line(&confirmpost,"confirmpost",0,dir);
flagmodpost = getconf_line(&moderators,"modpost",0,dir);
flagremote = getconf_line(&line,"remote",0,dir);
if (!flagmodpost && !flagconfirm) { /* not msg-mod. Pipe to ezmlm-send */
if ((child = wrap_fork()) == 0)
wrap_execbin("/ezmlm-send", &sendopt, dir);
/* parent */
wrap_exitcode(child);
}
if (!moderators.len || !(moderators.s[0] == '/')) {
if (!stralloc_copys(&moderators,dir)) die_nomem();
if (!stralloc_cats(&moderators,"/mod")) die_nomem();
}
if (!stralloc_0(&moderators)) die_nomem();
if (sender) {
pmod = issub(moderators.s,0,sender);
closesub();
/* sender = moderator? */
} else
pmod = 0;
if (!pmod && !flagpublic)
strerr_die2x(100,FATAL,ERR_NO_POST);
fdlock = lockfile("mod/lock");
if (!stralloc_copys(&mydtline, flagconfirm
? "Delivered-To: confirm to "
: "Delivered-To: moderator for ")) die_nomem();
if (!stralloc_catb(&mydtline,outlocal.s,outlocal.len)) die_nomem();
if (!stralloc_append(&mydtline,"@")) die_nomem();
if (!stralloc_catb(&mydtline,outhost.s,outhost.len)) die_nomem();
if (!stralloc_cats(&mydtline,"\n")) die_nomem();
if (!stralloc_copys(&returnpath,"Return-Path: <")) die_nomem();
if (sender) {
if (!stralloc_cats(&returnpath,sender)) die_nomem();
for (i = 14; i < returnpath.len;++i)
if (returnpath.s[i] == '\n' || !returnpath.s[i] )
returnpath.s[i] = '_';
/* NUL and '\n' are bad, but we don't quote since this is */
/* only for ezmlm-moderate, NOT for SMTP */
}
if (!stralloc_cats(&returnpath,">\n")) die_nomem();
pid = getpid(); /* unique file name */
for (i = 0;;++i) /* got lock - nobody else can add files */
{
when = now(); /* when is also used later for date! */
if (!stralloc_copys(&fnmsg, flagconfirm?"mod/unconfirmed/":"mod/pending/")) die_nomem();
if (!stralloc_copyb(&fnbase,strnum,fmt_ulong(strnum,when))) die_nomem();
if (!stralloc_append(&fnbase,".")) die_nomem();
if (!stralloc_catb(&fnbase,strnum,fmt_ulong(strnum,pid))) die_nomem();
if (!stralloc_cat(&fnmsg,&fnbase)) die_nomem();
if (!stralloc_0(&fnmsg)) die_nomem();
if (stat(fnmsg.s,&st) == -1) if (errno == error_noent) break;
/* really should never get to this point */
if (i == 2)
strerr_die2x(111,FATAL,ERR_UNIQUE);
sleep(2);
}
if (!stralloc_copys(&action,"-")) die_nomem();
if (!stralloc_cats(&action,flagconfirm?ACTION_DISCARD:ACTION_REJECT)) die_nomem();
if (!stralloc_cat(&action,&fnbase)) die_nomem();
if (!stralloc_0(&action)) die_nomem();
makeacthash(&action);
if (!quote("ed,&outlocal)) die_nomem();
if (!stralloc_copy(&reject,"ed)) die_nomem();
if (!stralloc_cat(&reject,&action)) die_nomem();
if (!stralloc_0(&reject)) die_nomem();
if (!stralloc_copys(&action,"-")) die_nomem();
if (!stralloc_cats(&action,flagconfirm?ACTION_CONFIRM:ACTION_ACCEPT)) die_nomem();
if (!stralloc_cat(&action,&fnbase)) die_nomem();
if (!stralloc_0(&action)) die_nomem();
makeacthash(&action);
if (!stralloc_copy(&accept,"ed)) die_nomem();
if (!stralloc_cat(&accept,&action)) die_nomem();
if (!stralloc_0(&accept)) die_nomem();
set_cptarget(accept.s); /* for copy () */
set_cpconfirm(reject.s,quoted.len);
fdmsg = open_trunc(fnmsg.s);
if (fdmsg == -1)
strerr_die6sys(111,FATAL,ERR_WRITE,dir,"/",fnmsg.s,": ");
substdio_fdbuf(&ssmsg,write,fdmsg,msgbuf,sizeof(msgbuf));
if (qmail_open(&qq, (stralloc *) 0) == -1) /* Open mailer */
strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE);
hdr_add2("Mailing-List: ",mailinglist.s,mailinglist.len);
if (listid.len > 0)
hdr_add2("List-ID: ",listid.s,listid.len);
hdr_datemsgid(when);
if (flagconfirm)
hdr_from("-owner");
else
hdr_add2s("From: ",reject.s);
hdr_add2s("Reply-To: ",accept.s);
if (!flagconfirm && !pmod && flagremote) { /* if remote admin add -allow- address */
qmail_puts(&qq,"Cc: "); /* for ezmlm-gate users */
strnum[fmt_ulong(strnum,(unsigned long) when)] = 0;
cookie(hash,key.s,key.len-FLD_ALLOW,strnum,sender,"t");
if (!stralloc_copy(&line,&outlocal)) die_nomem();
if (!stralloc_cats(&line,"-allow-tc.")) die_nomem();
if (!stralloc_cats(&line,strnum)) die_nomem();
if (!stralloc_append(&line,".")) die_nomem();
if (!stralloc_catb(&line,hash,COOKIE)) die_nomem();
if (!stralloc_append(&line,"-")) die_nomem();
i = str_rchr(sender,'@');
if (!stralloc_catb(&line,sender,i)) die_nomem();
if (sender[i]) {
if (!stralloc_append(&line,"=")) die_nomem();
if (!stralloc_cats(&line,sender + i + 1)) die_nomem();
}
qmail_put(&qq,line.s,line.len);
qmail_puts(&qq,"@");
qmail_put(&qq,outhost.s,outhost.len);
qmail_puts(&qq,"\n");
}
qmail_puts(&qq,"To: <");
if (flagconfirm) {
if (sender)
qmail_puts(&qq, sender);
} else {
if (!quote("ed,&outlocal))
die_nomem();
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"-moderators@");
qmail_put(&qq,outhost.s,outhost.len);
}
qmail_puts(&qq,">\n");
/* FIXME: Drop the custom subject hack and use hdr_listsubject1 */
if (!stralloc_copys(&subject,"Subject: ")) die_nomem();
if (flagconfirm) {
if (confirmpost.len) {
if (!stralloc_cat(&subject,&confirmpost)) die_nomem();
if (!stralloc_cats(&subject," ")) die_nomem();
} else {
if (!stralloc_cats(&subject,TXT_CONFIRM_POST)) die_nomem();
}
} else {
if (!stralloc_cats(&subject,TXT_MODERATE)) die_nomem();
}
if (!quote("ed,&outlocal)) die_nomem();
if (!stralloc_cat(&subject,"ed)) die_nomem();
if (!stralloc_append(&subject,"@")) die_nomem();
if (!stralloc_cat(&subject,&outhost)) die_nomem();
if (flagmime) {
hdr_mime(CTYPE_MULTIPART);
qmail_put(&qq,subject.s,subject.len);
hdr_boundary(0);
hdr_ctype(CTYPE_TEXT);
hdr_transferenc();
} else {
qmail_put(&qq,subject.s,subject.len);
qmail_puts(&qq,"\n\n");
}
copy(&qq,flagconfirm?"text/post-confirm":"text/mod-request",flagcd);
if (flagcd == 'B') {
encodeB("",0,&line,2);
qmail_put(&qq,line.s,line.len);
}
if (substdio_put(&ssmsg,returnpath.s,returnpath.len) == -1) die_msg();
if (substdio_put(&ssmsg,mydtline.s,mydtline.len) == -1) die_msg();
substdio_fdbuf(&ssin,read,0,inbuf,sizeof(inbuf));
if (flagmime) {
hdr_boundary(0);
hdr_ctype(CTYPE_MESSAGE);
qmail_puts(&qq, "\n");
}
qmail_put(&qq,returnpath.s,returnpath.len);
qmail_put(&qq,mydtline.s,mydtline.len);
flaginheader = 1;
for (;;) {
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,ERR_READ_INPUT);
if (!match) break;
if (line.len == 1) flaginheader = 0;
if (flaginheader) {
if ((line.len == mydtline.len) &&
!byte_diff(line.s,line.len,mydtline.s)) {
close(fdmsg); /* be nice - clean up */
unlink(fnmsg.s);
strerr_die2x(100,FATAL,ERR_LOOPING);
}
if (case_startb(line.s,line.len,"mailing-list:")) {
close(fdmsg); /* be nice - clean up */
unlink(fnmsg.s);
strerr_die2x(100,FATAL,ERR_MAILING_LIST);
}
}
if (flagbody || flaginheader) /* skip body if !flagbody */
qmail_put(&qq,line.s,line.len);
if (substdio_put(&ssmsg,line.s,line.len) == -1) die_msg();
}
if (flagmime)
hdr_boundary(1);
/* close archive before qmail. Loss of qmail will result in re-run, and */
/* worst case this results in a duplicate msg sitting orphaned until it's */
/* cleaned out. */
if (substdio_flush(&ssmsg) == -1) die_msg();
if (fsync(fdmsg) == -1) die_msg();
if (fchmod(fdmsg,MODE_MOD_MSG | 0700) == -1) die_msg();
if (close(fdmsg) == -1) die_msg(); /* NFS stupidity */
close(fdlock);
if (flagconfirm) {
qmail_from(&qq,reject.s); /* envelope sender */
} else {
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); /* envelope sender */
}
if (flagconfirm) /* to sender */
qmail_to(&qq,sender);
else if (pmod) /* to moderator only */
qmail_to(&qq,pmod);
else {
if (flagself) { /* to all moderators */
if (!stralloc_copys(&moderators,dir)) die_nomem();
if (!stralloc_cats(&moderators,"/mod")) die_nomem();
if (!stralloc_0(&moderators)) die_nomem();
}
putsubs(moderators.s,0,0,52,subto,1);
}
if (*(err = qmail_close(&qq)) == '\0') {
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_die2x(0,"ezmlm-store: info: qp ",strnum);
} else
strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE,err+1);
}
