void doheaders(void)
{
int flaggoodfield,match;
if (act == AC_DIGEST)
copy(&qq,"headeradd",'H');
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("-help");
if (!stralloc_copys(&mydtline,"Delivered-To: responder 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();
qmail_put(&qq,mydtline.s,mydtline.len);
flaggoodfield = 0;
if (act != AC_DIGEST)
for (;;) {
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
if (line.len == 1) break;
if ((line.s[0] != ' ') && (line.s[0] != '\t')) {
flaggoodfield = 0;
if (case_startb(line.s,line.len,"mailing-list:")) {
if (flageditor) /* we may be running from a sublist */
flaggoodfield = 0;
else
strerr_die2x(100,FATAL,MSG(ERR_MAILING_LIST));
}
if (line.len == mydtline.len)
if (byte_equal(line.s,line.len,mydtline.s))
strerr_die2x(100,FATAL,MSG(ERR_LOOPING));
if (case_startb(line.s,line.len,"delivered-to:"))
flaggoodfield = 1;
if (case_startb(line.s,line.len,"received:"))
flaggoodfield = 1;
}
if (flaggoodfield)
qmail_put(&qq,line.s,line.len);
}
}
void maketo(void)
/* expects line to be a return-path line. If it is and the format is valid */
/* to is set to to the sender. Otherwise, to is left untouched. Assuming */
/* to is empty to start with, it will remain empty if no sender is found. */
{
unsigned int x, y;
if (case_startb(line.s,line.len,"return-path:")) {
x = 12 + byte_chr(line.s + 12,line.len-12,'<');
if (x != line.len) {
y = byte_rchr(line.s + x,line.len-x,'>');
if (y + x != line.len) {
if (!stralloc_copyb(&to,line.s+x+1,y-1)) die_nomem();
if (!stralloc_0(&to)) die_nomem();
} /* no return path-> no addressee. A NUL in the sender */
} /* is no worse than a faked sender, so no problem */
}
}
static void do_ed(char *action)
{
datetime_sec u;
int flaggoodfield;
int fd;
char *x, *y;
char *cp,*cplast,*cpnext,*cpafter;
int flagdone;
unsigned int len;
const char *fname;
unsigned int i;
x = action + LENGTH_ED;
x += scan_ulong(x,&u);
if ((u > when) || (u < when - 100000)) die_cookie();
if (*x == '.') ++x;
fname = x;
x += str_chr(x,'.');
if (!*x) die_cookie();
*x = (char) 0;
++x;
stralloc_copys(&fnedit,"text/");
stralloc_cats(&fnedit,fname);
stralloc_0(&fnedit);
y = fnedit.s + 5; /* after "text/" */
while (*++y) { /* Name should be guaranteed by the cookie, */
/* but better safe than sorry ... */
if (((*y > 'z') || (*y < 'a')) && (*y != '_'))
strerr_die2x(100,FATAL,MSG(ERR_BAD_NAME));
if (*y == '_') *y = '-';
}
lock(); /* file must not change while here */
switch (slurp(fnedit.s,&text,1024)) {
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) u)] = 0;
cookie(hash,key.s,key.len,strnum,line.s,"-e");
if (str_len(x) != COOKIE) die_cookie();
if (byte_diff(hash,COOKIE,x)) die_cookie();
/* cookie is ok, file exists, lock's on, new file ends in '_' */
stralloc_copys(&fneditn,fnedit.s);
stralloc_append(&fneditn,'_');
stralloc_0(&fneditn);
fd = open_trunc(fneditn.s);
if (fd == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fneditn.s));
substdio_fdbuf(&sstext,write,fd,textbuf,sizeof(textbuf));
stralloc_copys("ed,""); /* clear */
stralloc_copys(&text,"");
for (;;) { /* get message body */
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
stralloc_cat(&text,&line);
}
if (encin) { /* decode if necessary */
if (encin == 'B')
decodeB(text.s,text.len,&line);
else
decodeQ(text.s,text.len,&line);
stralloc_copy(&text,&line);
}
cp = text.s;
cpafter = text.s+text.len;
flaggoodfield = 0;
flagdone = 0;
len = 0;
while ((cpnext = cp + byte_chr(cp,cpafter-cp,'\n')) != cpafter) {
i = byte_chr(cp,cpnext-cp,'%');
if (i != (unsigned int) (cpnext - cp)) {
if (!flaggoodfield) { /* MSG(TXT_EDIT_START)/END */
if (case_startb(cp+i,cpnext-cp-i,MSG(TXT_EDIT_START))) {
/* start tag. Store users 'quote characters', e.g. '> ' */
stralloc_copyb("ed,cp,i);
flaggoodfield = 1;
cp = cpnext + 1;
continue;
}
} else
if (case_startb(cp+i,cpnext-cp-i,MSG(TXT_EDIT_END))) {
flagdone = 1;
break;
}
}
if (flaggoodfield) {
if ((len += cpnext - cp - quoted.len + 1) > MAXEDIT)
strerr_die1x(100,MSG(ERR_EDSIZE));
if (quoted.len && cpnext-cp >= (int) quoted.len &&
!str_diffn(cp,quoted.s,quoted.len))
cp += quoted.len; /* skip quoting characters */
cplast = cpnext - 1;
if (*cplast == '\r') /* CRLF -> '\n' for base64 encoding */
*cplast = '\n';
else
++cplast;
if (substdio_put(&sstext,cp,cplast-cp+1) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fneditn.s));
}
cp = cpnext + 1;
}
if (!flagdone)
strerr_die2x(100,FATAL,MSG(ERR_NO_MARK));
if (substdio_flush(&sstext) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fneditn.s));
if (fsync(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_SYNC,fneditn.s));
if (fchmod(fd, 0600) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CHMOD,fneditn.s));
if (close(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CLOSE,fneditn.s));
wrap_rename(fneditn.s,fnedit.s);
unlock();
hdr_subject(MSG1(SUB_EDIT_SUCCESS,fname));
hdr_ctboundary();
copy(&qq,"text/top",flagcd);
copy_act("text/edit-done");
copybottom(0);
qmail_to(&qq,sender); /* not necessarily from mod */
}
void msg_headers(int act)
/* Writes all the headers up to but not including subject */
{
int flaggoodfield;
int flaggetfrom;
unsigned int pos;
hdr_add2s("Mailing-List: ",MSG(TXT_MAILING_LIST));
if (listid.len > 0)
hdr_add2("List-ID: ",listid.s,listid.len);
quote("ed,&outlocal); /* quoted has outlocal */
qmail_puts(&qq,"List-Help: <mailto:"); /* General rfc2369 headers */
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"-help@");
qmail_put(&qq,outhost.s,outhost.len);
qmail_puts(&qq,">\nList-Post: <mailto:");
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"@");
qmail_put(&qq,outhost.s,outhost.len);
qmail_puts(&qq,">\nList-Subscribe: <mailto:");
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"-subscribe@");
qmail_put(&qq,outhost.s,outhost.len);
qmail_puts(&qq,">\n");
hdr_datemsgid(when);
/* differnt "From:" for help to break auto-responder loops */
hdr_from((act == AC_HELP) ? "-return-" : "-help");
quote2("ed,target.s);
hdr_add2("To: ",quoted.s,quoted.len);
stralloc_copys(&mydtline,"Delivered-To: responder for ");
stralloc_catb(&mydtline,outlocal.s,outlocal.len);
stralloc_cats(&mydtline,"@");
stralloc_catb(&mydtline,outhost.s,outhost.len);
stralloc_cats(&mydtline,"\n");
qmail_put(&qq,mydtline.s,mydtline.len);
flaggoodfield = 0;
/* do it for -sc, but if the -S flag is used, do it for -subscribe */
flaggetfrom = flagstorefrom &&
((act == AC_SC) || ((act == AC_SUBSCRIBE) && !flagsubconf));
for (;;) {
if (gethdrln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG(ERR_READ_INPUT));
if (!match) break;
if (line.len == 1) break;
flaggoodfield = 0;
if (case_startb(line.s,line.len,"mailing-list:"))
strerr_die2x(100,FATAL,MSG(ERR_MAILING_LIST));
if (line.len == mydtline.len)
if (byte_equal(line.s,line.len,mydtline.s))
strerr_die2x(100,FATAL,MSG(ERR_LOOPING));
if (case_startb(line.s,line.len,"delivered-to:"))
flaggoodfield = 1;
else if (case_startb(line.s,line.len,"received:"))
flaggoodfield = 1;
else 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';
} else if (flaggetfrom && case_startb(line.s,line.len,"from:")) {
/* for logging subscriber data */
concatHDR(line.s+5,line.len-5,&fromline);
}
if (flaggoodfield)
qmail_put(&qq,line.s,line.len);
}
hdr_mime(flagcd ? CTYPE_MULTIPART : CTYPE_TEXT);
}
int main(int argc,char **argv)
{
int child;
const char *sendargs[4];
stralloc addr = {0};
unsigned int pos = 0,pos2,poslocal,len;
const char *cp;
unsigned long hh = 4L; /* default time 04:12 */
unsigned long mm = 12L;
const char *dow = "*"; /* day of week */
const char *qmail_inject = "/bin/qmail-inject ";
char strnum[FMT_ULONG];
unsigned long uid,euid = 0;
stralloc rp = {0};
stralloc user = {0};
stralloc euser = {0};
stralloc dir = {0};
stralloc listaddr = {0};
stralloc line = {0};
struct passwd *ppasswd;
int match;
int hostmatch;
int localmatch;
unsigned long dh,t;
int founduser = 0;
int listmatch = 0;
int flagdigit = 0;
int flagours;
int foundlocal = 0;
int foundmatch = 0;
unsigned int nolists = 0;
unsigned long maxlists;
unsigned int lenhost,lenlocal;
int fdin,fdout = -1;
char *local = (char *) 0; /* list = local@host */
const char *host = (char *) 0;
char *code = (char *) 0; /* digest code */
char inbuf[512];
substdio ssin;
char outbuf[512];
substdio ssout;
(void) umask(077);
sig_pipeignore();
optind = getconfopt(argc,argv,options,0,0);
if (flagt != 0) {
pos = scan_ulong(flagt,&hh);
if (flagt[pos++] != ':') die_usage();
(void) scan_ulong(flagt + pos,&mm);
}
if (flagw != 0) {
dow = flagw;
cp = flagw - 1;
while (*(++cp)) {
if (*cp >= '0' && *cp <= '7') {
if (flagdigit) die_dow();
flagdigit = 1;
} else if (*cp == ',') {
if (!flagdigit) die_dow();
flagdigit = 0;
} else
die_dow();
}
}
if (flaglist + flagdelete + flagconfig > 1)
strerr_die2x(100,FATAL,MSG(ERR_EXCLUSIVE));
uid = getuid();
if (uid && !(euid = geteuid()))
strerr_die2x(100,FATAL,MSG(ERR_SUID));
if (!(ppasswd = getpwuid(uid)))
strerr_die2x(100,FATAL,MSG(ERR_UID));
if (!stralloc_copys(&user,ppasswd->pw_name)) die_nomem();
if (!stralloc_0(&user)) die_nomem();
if (!(ppasswd = getpwuid(euid)))
strerr_die2x(100,FATAL,MSG(ERR_EUID));
if (!stralloc_copys(&dir,ppasswd->pw_dir)) die_nomem();
if (!stralloc_0(&dir)) die_nomem();
if (!stralloc_copys(&euser,ppasswd->pw_name)) die_nomem();
if (!stralloc_0(&euser)) die_nomem();
wrap_chdir(dir.s);
local = argv[optind++]; /* list address, optional for -c & -l */
if (!local) {
if (!flagconfig && !flaglist)
die_usage();
lenlocal = 0;
lenhost = 0;
} else {
if (!stralloc_copys(&listaddr,local)) die_nomem();
if (!isclean(local,1))
die_argument();
pos = str_chr(local,'@');
lenlocal = pos;
local[pos] = '\0';
host = local + pos + 1;
lenhost = str_len(host);
code = argv[optind];
if (!code) { /* ignored for -l, -c, and -d */
if (flagdelete || flaglist || flagconfig)
/* get away with not putting code for delete */
code = (char*)"a"; /* a hack - so what! */
else
die_usage();
} else
if (!isclean(code,0))
die_argument();
}
if ((fdin = open_read(TXT_EZCRONRC)) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,TXT_EZCRONRC));
/* first line is special */
substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf));
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,TXT_EZCRONRC));
if (!match)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,TXT_EZCRONRC));
/* (since we have match line.len has to be >= 1) */
line.s[line.len - 1] = '\0';
if (!isclean(line.s,0)) /* host for bounces */
strerr_die2x(100,FATAL,MSG1(ERR_CFHOST,TXT_EZCRONRC));
if (!stralloc_copys(&rp,line.s)) die_nomem();
match = 1;
for(;;) {
if (!match) break; /* to allow last line without '\n' */
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,TXT_EZCRONRC));
if (!line.len)
break;
line.s[line.len-1] = '\0';
if (!case_startb(line.s,line.len,user.s))
continue;
pos = user.len - 1;
if (pos >= line.len || line.s[pos] != ':')
continue;
founduser = 1; /* got user line */
break;
}
close(fdin);
if (!founduser)
strerr_die2x(100,FATAL,MSG(ERR_BADUSER));
if (flagconfig) {
line.s[line.len-1] = '\n'; /* not very elegant ;-) */
substdio_fdbuf(&ssout,write,1,outbuf,sizeof(outbuf));
if (substdio_put(&ssout,line.s,line.len) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT));
if (substdio_flush(&ssout) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT));
_exit(0);
}
++pos; /* points to first ':' */
len = str_chr(line.s+pos,':'); /* second ':' */
if (!line.s[pos + len])
die_syntax(&line);
if (!local) { /* only -d and std left */
localmatch = 1;
hostmatch = 1;
} else {
hostmatch = 0;
if (len <= str_len(local))
if (!str_diffn(line.s+pos,local,len))
localmatch = 1;
}
pos += len + 1;
len = str_chr(line.s + pos,':'); /* third */
if (!line.s[pos + len])
die_syntax(&line);
if (local) { /* check host */
if (len == 0) /* empty host => any host */
hostmatch = 1;
else
if (len == str_len(host))
if (!case_diffb(line.s+pos,len,host))
hostmatch = 1;
}
pos += len + 1;
pos += scan_ulong(line.s+pos,&maxlists);
if (line.s[pos]) { /* check additional lists */
if (line.s[pos] != ':')
die_syntax(&line);
if (line.s[pos+1+str_chr(line.s+pos+1,':')])
die_syntax(&line); /* reminder lists are not separated by ':' */
/* otherwise a ':' or arg miscount will die */
/* silently */
if (local) {
while (++pos < line.len) {
len = str_chr(line.s + pos,'@');
if (len == lenlocal && !str_diffn(line.s + pos,local,len)) {
pos += len;
if (!line.s[pos]) break;
pos++;
len = str_chr(line.s+pos,',');
if (len == lenhost && !case_diffb(line.s+pos,len,host)) {
listmatch = 1;
break;
}
}
pos += len;
}
}
}
if (!listmatch) {
if (!hostmatch)
strerr_die2x(100,FATAL,MSG(ERR_BADHOST));
if (!localmatch)
strerr_die2x(100,FATAL,MSG(ERR_BADLOCAL));
}
/* assemble correct line */
if (!flaglist) {
if (!stralloc_copyb(&addr,strnum,fmt_ulong(strnum,mm))) die_nomem();
if (!stralloc_cats(&addr," ")) die_nomem();
dh = 0L;
if (deltah <= 3L) dh = deltah;
else if (deltah <= 6L) dh = 6L;
else if (deltah <= 12L) dh = 12L;
else if (deltah <= 24L) dh = 24L;
else if (deltah <= 48L) {
if (dow[0] == '*') dow = "1,3,5";
} else if (deltah <= 72L) {
if (dow[0] == '*') dow = "1,4";
} else
if (dow[0] == '*') dow = "1";
if (!dh) {
if (!stralloc_cats(&addr,"*")) die_nomem();
} else {
if (!stralloc_catb(&addr,strnum,fmt_ulong(strnum,hh))) die_nomem();
for (t = hh + dh; t < hh + 24L; t+=dh) {
if (!stralloc_cats(&addr,",")) die_nomem();
if (!stralloc_catb(&addr,strnum,fmt_ulong(strnum,t % 24L))) die_nomem();
}
}
if (!stralloc_cats(&addr," * * ")) die_nomem();
if (!stralloc_cats(&addr,dow)) die_nomem();
if (!stralloc_cats(&addr," ")) die_nomem();
if (!stralloc_cats(&addr,auto_qmail)) die_nomem();
if (!stralloc_cats(&addr,qmail_inject)) die_nomem();
if (!stralloc_cats(&addr,local)) die_nomem();
if (!stralloc_cats(&addr,"-dig-")) die_nomem();
if (!stralloc_cats(&addr,code)) die_nomem();
if (!stralloc_cats(&addr,"@")) die_nomem();
if (!stralloc_cats(&addr,host)) die_nomem();
/* feed 'Return-Path: <user@host>' to qmail-inject */
if (!stralloc_cats(&addr,"%Return-path: <")) die_nomem();
if (!stralloc_cats(&addr,user.s)) die_nomem();
if (!stralloc_cats(&addr,"@")) die_nomem();
if (!stralloc_cat(&addr,&rp)) die_nomem();
if (!stralloc_cats(&addr,">\n")) die_nomem();
}
if (!stralloc_0(&addr)) die_nomem();
if (!flaglist) {
/* now to rewrite crontab we need to lock */
lockfile("crontabl");
} /* if !flaglist */
if ((fdin = open_read("crontab")) == -1) {
if (errno != error_noent)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,"crontab"));
} else
substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf));
if (flaglist)
substdio_fdbuf(&ssout,write,1,outbuf,sizeof(outbuf));
else {
if ((fdout = open_trunc("crontabn")) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"crontabn"));
substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof(outbuf));
}
line.len = 0;
if (fdin != -1) {
for (;;) {
if (!flaglist && line.len) {
line.s[line.len-1] = '\n';
if (substdio_put(&ssout,line.s,line.len) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"crontabn"));
}
if (getln(&ssin,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,"crontab"));
if (!match)
break;
flagours = 0; /* assume entry is not ours */
foundlocal = 0;
line.s[line.len - 1] = '\0'; /* match so at least 1 char */
pos = 0;
while (line.s[pos] == ' ' || line.s[pos] == '\t') ++pos;
if (line.s[pos] == '#')
continue; /* cron comment */
pos = str_chr(line.s,'/');
if (!str_start(line.s+pos,auto_qmail)) continue;
pos += str_len(auto_qmail);
if (!str_start(line.s+pos,qmail_inject)) continue;
pos += str_len(qmail_inject);
poslocal = pos;
pos = byte_rchr(line.s,line.len,'<'); /* should be Return-Path: < */
if (pos == line.len)
continue; /* not ezmlm-cron line */
pos++;
len = str_chr(line.s+pos,'@');
if (len == user.len - 1 && !str_diffn(line.s+pos,user.s,len)) {
flagours = 1;
++nolists; /* belongs to this user */
}
if (!local) {
foundlocal = 1;
} else {
pos = poslocal + str_chr(line.s+poslocal,'@');
if (pos + lenhost +1 >= line.len) continue;
if (case_diffb(line.s+pos+1,lenhost,host)) continue;
if (line.s[pos+lenhost+1] != '%') continue;
/* check local */
if (poslocal + lenlocal + 5 >= line.len) continue;
if (!str_start(line.s+poslocal,local)) continue;
pos2 = poslocal+lenlocal;
if (!str_start(line.s+pos2,"-dig-")) continue;
foundlocal = 1;
}
if (foundlocal) {
foundmatch = 1;
if (flaglist && (local || flagours)) {
if (substdio_put(&ssout,line.s,line.len) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT));
if (substdio_put(&ssout,"\n",1) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT));
}
line.len = 0; /* same - kill line */
if (flagours)
--nolists;
}
}
close(fdin);
}
if (flaglist) {
if (substdio_flush(&ssout) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_FLUSH,"stdout"));
if (foundmatch) /* means we had a match */
_exit(0);
else
strerr_die2x(100,FATAL,MSG(ERR_NO_MATCH));
}
/* only -d and regular use left */
if (nolists >= maxlists && !flagdelete)
strerr_die2x(100,FATAL,MSG(ERR_LISTNO));
if (!flagdelete)
if (substdio_put(&ssout,addr.s,addr.len-1) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"crontabn"));
if (flagdelete && !foundlocal)
strerr_die2x(111,FATAL,MSG(ERR_NO_MATCH));
if (substdio_flush(&ssout) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_FLUSH,"crontabn"));
if (fsync(fdout) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_SYNC,"crontabn++"));
if (close(fdout) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CLOSE,"crontabn"));
wrap_rename("crontabn","crontab");
sendargs[0] = "sh";
sendargs[1] = "-c";
if (!stralloc_copys(&line,auto_cron)) die_nomem();
if (!stralloc_cats(&line,"/crontab '")) die_nomem();
if (!stralloc_cats(&line,dir.s)) die_nomem();
if (!stralloc_cats(&line,"/crontab'")) die_nomem();
if (!stralloc_0(&line)) die_nomem();
sendargs[2] = line.s;
sendargs[3] = 0;
if ((child = wrap_fork()) == 0) {
if (setreuid(euid,euid) == -1)
strerr_die2sys(100,FATAL,MSG(ERR_SETUID));
wrap_execvp(sendargs);
}
/* parent */
switch (wrap_waitpid(child)) {
case 0:
_exit(0);
default:
strerr_die2x(111,FATAL,MSG(ERR_CRONTAB));
}
}
void main(int argc,char **argv)
{
char *def;
char *local;
const char *action = "";
char *psz;
const char *err;
int fd;
unsigned int i,j;
int flagremote;
int match;
int goodexit = 0; /* exit code for normal exit */
/* in manager this will be set to 0 */
unsigned long from,u,to,issue,prevmax;
unsigned long mno = 0;
unsigned long chunk;
unsigned long subs = 0;
unsigned int pos,pos1;
unsigned int len;
int opt;
char outformat = 0;
msgentry *msgtable;
subentry *subtable;
authentry *authtable;
dateentry *datetable;
struct datetime dt;
char date[DATE822FMT];
(void) umask(022);
sig_pipeignore();
when = now();
datetime_tai(&dt,when);
opt = getconfopt(argc,argv,options,1,0);
initsub(0);
if (flagformat != 0)
if (FORMATS[str_chr(FORMATS,flagformat[0])])
outformat = flagformat[0];
if (outformat == 0) {
outformat =
(getconf_line(&line,"digformat",0)
&& FORMATS[str_chr(FORMATS,line.s[0])])
? line.s[0]
: DEFAULT_FORMAT;
}
/* code to activate digest (-digest-code)*/
if ((digestcode = argv[opt]) == 0) {
if (getconf_line(&digestcodefile,"digestcode",0)
&& digestcodefile.len > 0) {
if (!stralloc_0(&digestcodefile)) die_nomem();
digestcode = digestcodefile.s;
}
}
/* ignore any extra args */
if (!stralloc_copy(&subject,&outlocal)) die_nomem(); /* for subjects */
if (!stralloc_copy(&listname,&outlocal)) die_nomem(); /* for content disp */
local = env_get("LOCAL");
def = env_get("DEFAULT");
sender = get_sender();
if (local && *local) { /* in editor local = outlocal */
if (!sender) strerr_die2x(100,FATAL,MSG(ERR_NOSENDER));
if (!*sender)
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
if (str_equal(sender,"#@[]"))
strerr_die2x(100,FATAL,MSG(ERR_BOUNCE));
if (!sender[str_chr(sender,'@')])
strerr_die2x(100,FATAL,MSG(ERR_ANONYMOUS));
if (def) {
if (*def) {
action = def;
goodexit = 99;
} else
_exit(0); /* list-@host should do -help from manager */
} else { /* editor */
act = AC_DIGEST; /* on list-@host ! */
flageditor = 1; /* to avoid Mailing-list error on sublists */
/* when running out of dir/editor. */
}
if (case_starts(action,"dig")) {
action += 3;
if (action[0] == '-' || action [0] == '.') {
action++;
if (!digestcode)
strerr_die2x(100,FATAL,MSG(ERR_BAD_DIGCODE));
len = str_len(digestcode);
if (len <= str_len(action) && case_startb(action,len,digestcode)) {
if (FORMATS[str_chr(FORMATS,*(action+len))])
outformat = *(action+len);
act = AC_DIGEST;
} else
strerr_die2x(100,FATAL,MSG(ERR_BAD_DIGCODE));
}
}
} else /* Command line operation */
act = AC_DIGEST;
/* Things we deal with. If anything else just die with success! */
/* At the moment this is -index, -thread, and -get. */
/* If flagdo = 0 we only service -dig commands. This is to support*/
/* "secret" lists that are still archived and digested. -c on */
/* cmd line. */
if (act == AC_NONE) {
if (case_equals(action,ACTION_DIGEST)) {
act = AC_GET; /* list-digest@ => msg since last digest */
action = ACTION_GET;
} else if (case_starts(action,ACTION_GET) || case_starts(action,ALT_GET))
act = AC_GET;
else if (case_starts(action,ACTION_INDEX) || case_starts(action,ALT_INDEX))
act = AC_INDEX;
else if (case_starts(action,ACTION_THREAD) ||
case_starts(action,ALT_THREAD))
act = AC_THREAD;
}
if (act == AC_NONE) /* not for us. Pass the buck. */
_exit(0);
if (act != AC_INDEX) { /* need to do header processing */
if(!getconf(&digheaders,"digheaders",0)) {
if(!stralloc_copys(&digheaders,digsz)) die_nomem();
if (!stralloc_0(&digheaders)) die_nomem();
psz = digheaders.s;
while (*psz) {
if (*psz == '\\') *psz = '\0';
++psz;
}
}
if (!constmap_init(&digheadersmap,digheaders.s,digheaders.len,0))
die_nomem();
}
if (act != AC_DIGEST) {
if (!flagdo) /* only do digests */
strerr_die2x(100,FATAL,MSG(ERR_NOCMD));
if (flagpublic < 0)
flagpublic = !getconf_isset("modgetonly") && getconf_isset("public");
if (!flagpublic) {
/* This all to take care of non-public lists. They should*/
/* still do digests, but do other things only for */
/* moderators that have remote access. Since this is rare*/
/* efforts have been made to keep everything that's not */
/* needed elsewhere in here. */
getconf_line(&moddir,"modsub",0);
flagremote = getconf_line(&line,"remote",0);
if (!flagremote)
strerr_die2x(100,FATAL,MSG(ERR_NOT_PUBLIC));
if (!moddir.len) {
if (line.len) {
if (!stralloc_copy(&moddir,&line)) die_nomem();
} else {
if (!stralloc_copys(&moddir,"mod")) die_nomem();
}
}
if (!stralloc_0(&moddir)) die_nomem();
ismod = issub(moddir.s,sender,&mod);
if (!ismod) /* sender = moderator? */
strerr_die2x(100,FATAL,MSG(ERR_NOT_PUBLIC));
}
}
if (act == AC_DIGEST) {
workdir = "digest";
if (!stralloc_cats(&outlocal,"-digest")) die_nomem();
if (getconf_line(&line,"chunk",0)) {
if (!stralloc_0(&line)) die_nomem();
(void) scan_ulong(line.s,&chunk); /* same chunk as main list */
if (chunk == 0) /* limit range to 1-53 */
chunk = 1L;
else if (chunk > 52)
chunk = 52L;
} else {
chunk = 0L;
}
} else
workdir = ".";
if (!flagarchived)
strerr_die2x(100,FATAL,MSG(ERR_NOT_ARCHIVED));
if (qmail_open(&qq) == -1)
strerr_die2sys(111,FATAL,MSG(ERR_QMAIL_QUEUE));
set_cpnum(""); /* default for <#n#> replacement */
switch (act) {
case AC_DIGEST:
/* -dig{.|-}'digestcode'[f] returns an rfc1153 digest */
/* of messages from the archive. Messages */
/* dignum+1 through the last message received by the list are processed and */
/* dignum is updated to the last message processed. digissue is advanced. */
get_num(); /* max = last successful message */
to = max;
lockup(); /* another digest could corrupt dignum */
/* but will be saved only if flagdigrange==0 */
if(getconf_line(&num,"dignum",0)) {
if(!stralloc_0(&num)) die_nomem();
pos = scan_ulong(num.s,&prevmax);
if (num.s[pos] == ':') pos++;
pos += 1 + scan_ulong(num.s+pos,&cumsize); /* last cumsize */
if (num.s[pos] == ':') pos++;
scan_ulong(num.s+pos,&digwhen); /* last reg dig */
} else {
prevmax = 0L;
cumsize = 0L;
digwhen = 0L;
}
mno = prevmax + 1L;
if(!max || mno > max) /* if a digest-list is "sending" the request, */
/* don't make noise: errors go to postmaster!*/
strerr_die2x(goodexit,FATAL,MSG(ERR_EMPTY_DIGEST));
szmsgnum[fmt_ulong(szmsgnum,mno)] = '\0';
set_cpnum(szmsgnum); /* for copy */
/* prepare subject to get entropy for tagmsg*/
if (!stralloc_cats(&subject," Digest ")) die_nomem();
if (!stralloc_catb(&subject,date,date822fmt(date,&dt)-1))
die_nomem(); /* skip trailing in date '\n' */
if (!stralloc_cats(&subject," Issue ")) die_nomem();
if (getconf_line(&num,"digissue",0)) {
if(!stralloc_0(&num)) die_nomem();
scan_ulong(num.s,&issue);
issue++;
} else {
issue = 1;
}
if (!stralloc_catb(&subject,strnum,fmt_ulong(strnum,issue)))
die_nomem();
/* use the subject as entropy */
if (!stralloc_copy(&line,&subject)) die_nomem();
if (!stralloc_0(&line)) die_nomem();
if (!stralloc_ready(&seed,HASHLEN+1)) die_nomem();
seed.len = HASHLEN + 1;
seed.s[HASHLEN] = '\0';
makehash(line.s,line.len,seed.s);
if (chunk) { /* only if slaves are used */
qmail_puts(&qq,"Ezauth: ");
qmail_put(&qq,seed.s,HASHLEN);
qmail_puts(&qq,"\n");
}
doheaders();
qmail_puts(&qq,"To: ");
if (!quote("ed,&listname)) die_nomem();
qmail_put(&qq,quoted.s,quoted.len);
qmail_puts(&qq,"@");
qmail_put(&qq,outhost.s,outhost.len);
qmail_puts(&qq,"\n");
if (flagindexed && (outformat != NATIVE))
idx_mkthreads(&msgtable,&subtable,&authtable,&datetable,
mno,to,max,flaglocked);
else
idx_mklist(&msgtable,&subtable,&authtable,mno,to);
digest(msgtable,subtable,authtable,mno,to,&subject,AC_DIGEST,outformat);
write_ulong(issue,0L,0L,"digissue","digissuen");
write_ulong(max,cumsizen, (unsigned long) when,"dignum","dignumn");
break;
case AC_GET:
/* -get[-|\.][[num].num2] copies archive num-num2. num & num2 are adjusted */
/* to be > 0 and <= last message, to num2 >= num and to num2-num <= MAXGET. */
zapnonsub(ACTION_GET); /* restrict to subs if requested */
tosender();
/* for rfc1153 */
if (!stralloc_cats(&subject," Digest of: ")) die_nomem();
if (!stralloc_cats(&subject,action)) die_nomem();
to = 0;
pos = str_len(ACTION_GET);
if (!case_starts(action,ACTION_GET))
pos = str_len(ALT_GET);
if (FORMATS[str_chr(FORMATS,action[pos])]) {
outformat = action[pos];
++pos;
}
/* optional - or . after '-get' */
if (action[pos] == '-' || action[pos] == '.') pos++;
get_num(); /* max = last successful message */
/* accept any separator. It may be */
/* the terminal '\n', but then */
/* scan will = 0 on the \0 so should*/
/* be safe */
if (!max)
strerr_die2x(100,FATAL,MSG(ERR_EMPTY_LIST));
szmsgnum[fmt_ulong(szmsgnum,max)] = '\0';
set_cpnum(szmsgnum); /* for copy this is the latest message arch'd*/
doheaders();
if(action[pos += scan_ulong(action + pos,&u)])
scan_ulong(action + pos + 1, &to);
if (u == 0 && to == 0) { /* default: messages since last */
/* digest, or last MAXGET if too many */
to= max;
u = dignum();
if (u == 0) { /* no digest => last up to HISTGET msgs */
to = max;
if (max > HISTGET) u = max - HISTGET; else u = 1;
}
if (to - u >= MAXGET) u = to - MAXGET + 1; /* max MAXGET */
} else if (u > max) {
if (to) { /* -get.999999_x returns 30 and msg since last*/
to = max; /* digest 30*/
u = dignum();
if (u > HISTGET) u -= HISTGET; else u = 1;
if (to - u >= MAXGET) u = to - MAXGET + 1;
} else
u = max;
}
if (u == 0) u = 1; /* -get.5 => 1-5 */
if (to < u) to = u; /* -get23_2 => 23 */
if (to >= u + MAXGET) to = u + MAXGET - 1;
/* no more than MAXGET at a time */
if (to > max) to = max;
if (flagindexed && (outformat != NATIVE)) /* fake out threading */
idx_mkthreads(&msgtable,&subtable,&authtable,&datetable,
u,to,max,0);
else
idx_mklist(&msgtable,&subtable,&authtable,u,to);
digest(msgtable,subtable,authtable,u,to,&subject,AC_GET,outformat);
break;
case AC_INDEX:
/* -index[f][#|-|\.][[num][.num2] Show subject index for messages num-num2 in*/
/* sets of 100. */
/* Default last 2 sets. num and num2 are made reasonable as for get. num2 is */
/* limited to num+MAXINDEX to limit the amount of data sent. */
if (!flagindexed)
strerr_die2x(100,FATAL,MSG(ERR_NOT_INDEXED));
zapnonsub(ACTION_INDEX); /* restrict to subs if requested */
to = 0;
pos = str_len(ACTION_INDEX);
if (!case_starts(action,ACTION_INDEX))
pos = str_len(ALT_INDEX);
if (FORMATS[str_chr(FORMATS,action[pos])]) {
outformat = action[pos]; /* ignored, but be nice ... */
++pos;
}
get_num(); /* max = last successful message */
if (!max)
strerr_die2x(100,FATAL,MSG(ERR_EMPTY_LIST));
szmsgnum[fmt_ulong(szmsgnum,max)] = '\0';
set_cpnum(szmsgnum); /* for copy this is the latest message arch'd*/
doheaders();
tosender();
if (!stralloc_cats(&subject," Result of: ")) die_nomem();
if (!stralloc_cats(&subject,action)) die_nomem();
presub(1,1,&subject,AC_INDEX,outformat);
if (action[pos] == '-' || action[pos] == '.') pos++;
if(action[pos += scan_ulong(action + pos,&u)])
scan_ulong(action + pos + 1, &to);
if (u == 0 && to == 0) { to = max; u = max - 100; }
if (u <= 0) u = 1;
if (u > max) u = max;
if (to < u) to = u;
if (to > u + MAXINDEX) to = u+MAXINDEX; /* max MAXINDEX index files */
if (to > max) to = max;
u /= 100;
to /= 100;
while (u <= to) {
if (!stralloc_copys(&fn,"archive/")) die_nomem();
if (!stralloc_catb(&fn,strnum,fmt_ulong(strnum,u))) die_nomem();
if (!stralloc_cats(&fn,"/index")) die_nomem();
if (!stralloc_0(&fn)) die_nomem();
if (u == max/100) /* lock if last index file in archive */
lockup();
fd = open_read(fn.s);
if (fd == -1)
if (errno != error_noent)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,fn.s));
else
code_qputs(MSG(TXT_NOINDEX));
else {
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
for (;;) {
if (getln(&sstext,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,fn.s));
if (match) {
if (line.s[0] != '\t') { /* subject line */
pos = byte_chr(line.s,line.len,' ');
pos1 = 0;
if (pos && pos != line.len && line.s[pos - 1] == ':')
pos1 = pos + HASHLEN + 1; /* after hash */
if (pos1 >= line.len) { /* bad! */
pos = 0;
pos1 = 0; /* output as is */
}
if (!stralloc_copyb(&line2,line.s,pos)) die_nomem();
if (!stralloc_catb(&line2,line.s+pos1,line.len-pos1)) die_nomem();
} else {
pos = byte_chr(line.s,line.len,';');
if (pos + HASHLEN + 1 < line.len && pos > 15 &&
line.s[pos + 1] != ' ') {
if (!stralloc_copyb(&line2,line.s,pos - 15)) die_nomem();
pos++;
if (!stralloc_catb(&line2,line.s + pos + HASHLEN,
line.len - pos - HASHLEN)) die_nomem();
} else /* old format - no author hash */
if (!stralloc_copyb(&line2,line.s,line.len)) die_nomem();
}
code_qput(line2.s,line2.len);
} else
break;
}
close(fd);
}
if (u == max/100) /* unlock if last index in archive file */
unlock();
u++;
}
normal_bottom(outformat);
postmsg(outformat);
break;
case AC_THREAD:
/* -thread[f][-|.]num returns messages with subject matching message */
/* 'num' in the subject index. If 'num' is not in[1..last_message] an error */
/* message is returned. */
if (!flagindexed)
strerr_die2x(100,FATAL,MSG(ERR_NOT_INDEXED));
zapnonsub(ACTION_THREAD); /* restrict to subs if requested*/
get_num(); /* max = last successful message */
if (!max)
strerr_die2x(100,FATAL,MSG(ERR_EMPTY_LIST));
szmsgnum[fmt_ulong(szmsgnum,max)] = '\0';
set_cpnum(szmsgnum); /* for copy this is the latest message arch'd*/
doheaders();
tosender();
/* for rfc1153 */
if (!stralloc_cats(&subject," Digest of: ")) die_nomem();
if (!stralloc_cats(&subject,action)) die_nomem();
to = 0;
pos = str_len(ACTION_THREAD);
if (!case_starts(action,ACTION_THREAD))
pos = str_len(ALT_THREAD);
if (FORMATS[str_chr(FORMATS,action[pos])]) {
outformat = action[pos];
++pos;
}
if (action[pos] == '-' || action[pos] == '.') pos++;
if(action[pos += scan_ulong(action + pos,&u)])
scan_ulong(action + pos + 1, &to);
if(u == 0 || u > max) {
hdr_add2("Subject: ",subject.s,subject.len);
qmail_puts(&qq,"\n");
copy(&qq,"text/get-bad",flagcd);
} else { /* limit range to at most u-THREAD_BEFORE to u+THREAD_AFTER */
if (u > THREAD_BEFORE)
from = u-THREAD_BEFORE;
else
from = 1L;
if (u + THREAD_AFTER > max) {
idx_mkthread(&msgtable,&subtable,&authtable,from,max,u,max,0);
digest(msgtable,subtable,authtable,from,max,&subject,
AC_THREAD,outformat);
} else {
idx_mkthread(&msgtable,&subtable,&authtable,
from,u+THREAD_AFTER,u,max,0);
digest(msgtable,subtable,authtable,from,u+THREAD_AFTER,
&subject,AC_THREAD,outformat);
}
}
break;
default:
/* This happens if the initial check at the beginning of 'main' */
/* matches something that isn't matched here. Conversely, just */
/* adding an action here is not enough - it has to be added to the */
/* initial check as well. */
strerr_die2x(100,FATAL,
"Program error: I'm supposed to deal with this but I didn't");
}
if (!stralloc_copy(&line,&outlocal)) die_nomem();
if (act == AC_DIGEST) {
if (chunk) {
if (!stralloc_cats(&line,"-return-g-")) die_nomem();
} else
if (!stralloc_cats(&line,"-return-")) die_nomem();
strnum[fmt_ulong(strnum,mno)] = '\0';
if (!stralloc_cats(&line,strnum)) die_nomem();
if (!stralloc_cats(&line,"-@")) die_nomem();
if (!stralloc_cat(&line,&outhost)) die_nomem();
if (!stralloc_cats(&line,"-@[]")) die_nomem();
} else {
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 (act == AC_DIGEST) { /* Do recipients */
tagmsg(mno,seed.s,"d",hashout,qq.msgbytes,chunk);
if (chunk) {
if (!stralloc_copys(&line,"T")) die_nomem();
if (!stralloc_cat(&line,&outlocal)) die_nomem();
if (!stralloc_cats(&line,"-s-d-")) die_nomem();
if (!stralloc_catb(&line,hashout,COOKIE)) die_nomem();
if (!stralloc_cats(&line,"-")) die_nomem();
if (!stralloc_cats(&line,strnum)) die_nomem();
if (!stralloc_cats(&line,"-")) die_nomem();
if (!stralloc_copys(&line2,"@")) die_nomem();
if (!stralloc_cat(&line2,&outhost)) die_nomem();
if (!stralloc_0(&line2)) die_nomem();
j = 0;
for (i = 0; i <= 52; i += chunk) { /* To slaves */
qmail_put(&qq,line.s,line.len);
schar[0] = '0' + i / 10;
schar[1] = '0' + (i % 10);
qmail_put(&qq,schar,3);
j += (chunk - 1);
if (j > 52) j = 52;
schar[0] = '0' + j / 10;
schar[1] = '0' + (j % 10);
qmail_put(&qq,schar,2);
qmail_put(&qq,line2.s,line2.len);
}
} else
subs = putsubs(workdir,0L,52L,&subto);
} else { /* if local is set, sender is checked */
if (ismod)
qmail_to(&qq,mod.s);
else
qmail_to(&qq,sender);
}
if (*(err = qmail_close(&qq)) == '\0') { /* Done. Skip rest. */
if (act == AC_DIGEST) {
if (chunk)
(void) logmsg(mno,0L,0L,2);
else
(void) logmsg(mno,0L,subs,4);
}
closesub(); /* close db connection */
unlock(); /* NOP if nothing locked */
strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
strerr_die2x(goodexit,"ezmlm-get: info: qp ",strnum);
} else { /* failed. Reset last msg & issue for digest */
if(act == AC_DIGEST) {
issue--;
write_ulong(issue,0L,0L,"digissue","digissuen");
write_ulong(prevmax,cumsize,(unsigned long) digwhen,"dignum","dignumn");
}
unlock(); /* NOP if nothing locked */
strerr_die4x(111,FATAL,MSG(ERR_TMP_QMAIL_QUEUE),": ",err + 1);
}
}
void copymsg(int fd,char format)
/* Copy archive message "msg" itself from open file handle fd, in "format" */
{
int match;
int flaginheader;
int flagskipblanks;
int flaggoodfield;
switch(format) {
case VIRGIN:
case NATIVE:
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
for (;;) {
if (getln(&sstext,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,line.s));
if (match) {
qmail_put(&qq,line.s,line.len);
msgsize += line.len;
} else
break;
}
break;
case MIME:
case MIXED:
flaginheader = 1;
flaggoodfield = 0;
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
for (;;) {
if (getln(&sstext,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,line.s));
if (match) {
if (flaginheader) {
if (line.len == 1) {
flaginheader = 0;
flaggoodfield = 1;
} else if (line.s[0] != ' ' && line.s[0] != '\t') {
flaggoodfield = 0;
if (constmap(&digheadersmap,line.s,
byte_chr(line.s,line.len,':')))
flaggoodfield = 1;
}
if (flaggoodfield) {
qmail_put(&qq,line.s,line.len); /* header */
msgsize += line.len;
}
} else {
qmail_put(&qq,line.s,line.len); /* body */
msgsize += line.len;
}
} else
break;
}
break;
case RFC1153: /* Not worth optimizing. Rarely used */
flaginheader = 1;
flagskipblanks = 1; /* must skip terminal blanks acc to rfc1153 */
archtype = ' '; /* rfc1153 requires ordered headers */
if (!stralloc_copys(&archblanklines,"")) die_nomem();
substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
for (;;) {
if (getln(&sstext,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,line.s));
if (match) {
if (flaginheader) {
if (line.len == 1) {
flaginheader = 0;
if (archdate.len) {
qmail_put(&qq,archdate.s,archdate.len);
archdate.len = 0;
msgsize += archdate.len;
}
if (archto.len) {
qmail_put(&qq,archto.s,archto.len);
msgsize += archto.len;
archto.len = 0;
}
if (archfrom.len) {
qmail_put(&qq,archfrom.s,archfrom.len);
msgsize += archfrom.len;
archfrom.len = 0;
}
if (archcc.len) {
qmail_put(&qq,archcc.s,archcc.len);
msgsize += archcc.len;
archcc.len = 0;
}
if (archsubject.len) {
qmail_put(&qq,archsubject.s,archsubject.len);
msgsize += archsubject.len;
archsubject.len = 0;
}
if (archmessageid.len) {
qmail_put(&qq,archmessageid.s,archmessageid.len);
msgsize += archmessageid.len;
archmessageid.len = 0;
}
if (archkeywords.len) {
qmail_put(&qq,archkeywords.s,archkeywords.len);
msgsize += archkeywords.len;
archkeywords.len = 0;
}
qmail_puts(&qq,"\n");
} else if (line.s[0] == ' ' || line.s[0] == '\t') {
switch (archtype) { /* continuation lines */
case ' ':
break;
case 'D':
if (!stralloc_cat(&archdate,&line)) die_nomem(); break;
case 'F':
if (!stralloc_cat(&archfrom,&line)) die_nomem(); break;
case 'T':
if (!stralloc_cat(&archto,&line)) die_nomem(); break;
case 'C':
if (!stralloc_cat(&archcc,&line)) die_nomem(); break;
case 'S':
if (!stralloc_cat(&archsubject,&line)) die_nomem(); break;
case 'M':
if (!stralloc_cat(&archmessageid,&line)) die_nomem(); break;
case 'K':
if (!stralloc_cat(&archkeywords,&line)) die_nomem(); break;
default:
strerr_die2x(111,FATAL,
"Program error: Bad archive header type");
}
} else {
archtype = ' ';
if (case_startb(line.s,line.len,"cc:")) {
archtype='C';
if (!stralloc_copy(&archcc,&line)) die_nomem();
}
else if (case_startb(line.s,line.len,"date:")) {
archtype='D';
if (!stralloc_copy(&archdate,&line)) die_nomem();
}
else if (case_startb(line.s,line.len,"from:")) {
archtype='F';
if (!stralloc_copy(&archfrom,&line)) die_nomem();
}
else if (case_startb(line.s,line.len,"keywords:")) {
archtype='K';
if (!stralloc_copy(&archkeywords,&line)) die_nomem();
}
else if (case_startb(line.s,line.len,"message-id:")) {
archtype='M';
if (!stralloc_copy(&archmessageid,&line)) die_nomem();
}
else if (case_startb(line.s,line.len,"subject:")) {
archtype='S';
if (!stralloc_copy(&archsubject,&line)) die_nomem();
}
else if (case_startb(line.s,line.len,"to:")) {
archtype='T';
if (!stralloc_copy(&archto,&line)) die_nomem();
}
}
} else if (line.len == 1) {
if (!flagskipblanks)
if (!stralloc_copys(&archblanklines,"\n")) die_nomem();
} else {
if (archblanklines.len) {
qmail_put(&qq,archblanklines.s,archblanklines.len);
archblanklines.len = 0;
}
flagskipblanks = 0;
qmail_put(&qq,line.s,line.len);
msgsize += line.len;
}
} else
break;
}
break;
default:
strerr_die2x(100,FATAL,"Program error: bad format in copymsg()");
}
}
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);
}
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);
}
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);
}
void main(void)
{
unsigned int i,j;
for (;;) {
get(&line);
if (line.len == 1) break;
if (flagdsn) {
if (line.s[0] == ' ' || line.s[0] == '\t') /* continuation */
if (!stralloc_catb(&dsnline,line.s,line.len - 1)) die_nomem();
continue;
}
flagdsn = 0;
if (stralloc_starts(&line,"Subject: success notice"))
_exit(99);
if (stralloc_starts(&line,"Subject: deferral notice"))
_exit(99);
if (stralloc_starts(&line,"Precedence: bulk"))
_exit(99);
if (stralloc_starts(&line,"Precedence: junk"))
_exit(99);
if (stralloc_starts(&line,"Auto-Submitted:"))
_exit(99);
/* Mailing list signatures */
if (stralloc_starts(&line,"Precedence: list"))
_exit(99);
if (stralloc_starts(&line,"Mailing-List:"))
_exit(99);
if (stralloc_starts(&line,"List-ID:"))
_exit(99);
if (stralloc_starts(&line,"X-Mailing-List:"))
_exit(99);
if (stralloc_starts(&line,"X-ML-Name:"))
_exit(99);
if (stralloc_starts(&line,"List-Help:"))
_exit(99);
if (stralloc_starts(&line,"List-Unsubscribe:"))
_exit(99);
if (stralloc_starts(&line,"List-Subscribe:"))
_exit(99);
if (stralloc_starts(&line,"List-Post:"))
_exit(99);
if (stralloc_starts(&line,"List-Owner:"))
_exit(99);
if (stralloc_starts(&line,"List-Archive:"))
_exit(99);
/* for Novell Groupwise */
if (stralloc_starts(&line,"Subject: Message status - delivered"))
_exit(99);
if (stralloc_starts(&line,"Subject: Message status - opened"))
_exit(99);
if (stralloc_starts(&line,"Subject: Out of Office AutoReply:"))
_exit(99);
/* Other autoresponders */
if (stralloc_starts(&line,"X-Amazon-Auto-Reply:"))
_exit(99);
if (stralloc_starts(&line,"X-Mailer: KANA Response"))
_exit(99);
if (stralloc_starts(&line,"Thread-Topic: AutoResponse"))
_exit(99);
if (stralloc_starts(&line,"Subject: AutoResponse -"))
_exit(99);
if (stralloc_starts(&line,"From: Mail Delivery Subsystem <MAILER-DAEMON@"))
flagmds = 1;
if (stralloc_starts(&line,"Subject: Warning: could not send message"))
flagsw = 1;
if (stralloc_starts(&line,"Subject: Returned mail: warning: cannot send message"))
flagsr = 1;
if (stralloc_starts(&line,"Auto-Submitted: auto-generated (warning"))
flagas = 1;
if (case_startb(line.s,line.len,"Content-type: multipart/report")) {
if (!stralloc_copyb(&dsnline,line.s,line.len - 1)) die_nomem();
flagdsn = 1;
}
} /* end of header */
if (dsnline.len > 0) { /* always only one recipient/action */
flagdsn = 0; /* will be set for correct report type */
for (i=0; i < dsnline.len; i += 1+byte_chr(dsnline.s+i,dsnline.len-i,';')) {
while (dsnline.s[i] == ' ' || dsnline.s[i] == '\t')
if (++i >= dsnline.len) break;
if (case_startb(dsnline.s + i,dsnline.len - i,"report-type=")) {
i += 12;
while (dsnline.s[i] ==' ' || dsnline.s[i] =='\t' || dsnline.s[i] =='"')
if (++i >= dsnline.len) break;
if (case_startb(dsnline.s + i,dsnline.len - i,"delivery-status"))
flagdsn = 1;
} else if (case_startb(dsnline.s + i,dsnline.len - i,"boundary=")) {
i += 9;
while (dsnline.s[i] ==' ' || dsnline.s[i] =='\t')
if (++i >= dsnline.len) break;
if (dsnline.s[i] == '"') {
if (++i >= dsnline.len) break;
j = i + byte_chr(dsnline.s + i,dsnline.len - i,'"');
if (j >= dsnline.len) break;
} else {
j = i;
while (dsnline.s[j] !=' ' && dsnline.s[j] !='\t' &&
dsnline.s[j] !=';')
if (++j >= dsnline.len) break;
} /* got boundary */
if (!stralloc_copyb(&boundary,dsnline.s+i,j-i)) die_nomem();
}
}
}
if (flagdsn && boundary.len) { /* parse DSN message */
get(&line); /* if bad format we exit(0) via get() */
for (;;) {
if (isboundary()) {
if (line.len == boundary.len + 5 && line.s[line.len - 1] == '-'
&& line.s[line.len - 2] == '-')
_exit(99); /* end: not failure report */
get(&line); /* Content-type */
if (case_startb(line.s,line.len,"content-type:")) {
i = 13;
while (line.s[i] == ' ' || line.s[i] == '\t')
if (++i >= line.len) break;
if (case_startb(line.s+i,line.len-i,"message/delivery-status")) {
for (;;) {
get(&line);
if (isboundary()) break;
if (case_startb(line.s,line.len,"action:")) {
i = 8;
while (line.s[i] == ' ' || line.s[i] == '\t')
if (++i >= line.len) break;
if (case_startb(line.s + i, line.len - i,"failed"))
_exit(0); /* failure notice */
else
_exit(99); /* there shouldn't be more than 1 action */
}
}
}
}
} else
get(&line);
}
}
get(&line1);
get(&line2);
get(&line3);
get(&line4);
get(&line5);
get(&line6);
get(&line7);
get(&line8);
if (stralloc_starts(&line1,"This is a MIME-encapsulated message"))
if (stralloc_starts(&line3,"--"))
if (stralloc_starts(&line5,warn1))
if (stralloc_starts(&line6,warn2))
if (stralloc_starts(&line7,warn3))
if (stralloc_starts(&line8,warn4))
flagbw = 1;
if (stralloc_starts(&line1,warn1))
if (stralloc_starts(&line2,warn2))
if (stralloc_starts(&line3,warn3))
if (stralloc_starts(&line4,warn4))
flagbw = 1;
if (flagmds && flagsw && flagas && flagbw) _exit(99);
if (flagmds && flagsr && flagbw) _exit(99);
_exit(0);
}
int
ftpparse_mlsx (struct ftpparse *fp, char *x, int ll, int is_mlst)
{
int i;
uint64 size;
struct tai mtime;
int flagtryretr=0;
int flagtrycwd=0;
char *id=0;
int idlen=0;
int mtimetype=FTPPARSE_MTIME_UNKNOWN;
int sizetype=FTPPARSE_SIZE_UNKNOWN;
int flagbrokenmlsx=0;
SETUP();
if (is_mlst)
if (ll>1) {
ll--;
x++;
}
if (ll<2) /* empty facts, space, one-byte-filename */
return 0;
for (i=0; i<ll;i++) {
int j=0,k=0;
if (x[i]==' ')
break; /* end of facts */
while (i+j<ll && x[i+j]!=';' && x[i+j]!=' ' && x[i+j]!='=')
j++;
if (i+j==ll)
return 0;
if (x[i+j]==' ')
return 0;
if (x[i+j]==';')
return 0;
/* x[i+j] is now '=' */
while (i+j+k<ll && x[i+j+k]!=';' && x[i+j+k]!=' ')
k++;
if (i+j+k==ll)
return 0;
/* x[i+j+k] is space or semicolon, so use of getlong is safe */
#define ISFACT(name) (j==sizeof(name)-1 && case_startb(x+i,j,name))
if (ISFACT ("size")) {
get_uint64 (x + i + j + 1, k - 1,&size);
sizetype=FTPPARSE_SIZE_BINARY;
} else if (ISFACT ("modify")) {
getmod(&mtime,x + i + j + 1, k - 1);
mtimetype = FTPPARSE_MTIME_LOCAL;
} else if (ISFACT ("type")) {
if (k==5 && case_startb (x + i + j + 1, 4, "file"))
flagtryretr = 1;
else if (case_startb (x + i + j + 1, 3, "dir")) /* "current" */
flagtrycwd = 1;
else if (case_startb (x + i + j + 1, 4, "pdir")) /* "parent" */
flagtrycwd = 1;
else if (case_startb (x + i + j + 1, 4, "cdir"))
flagtrycwd = 1;
else {
flagtryretr = 1;
flagtrycwd = 1;
}
} else if (ISFACT ("unique")) {
id = x + i + j + 1;
idlen = k - 1;
}
i+=j+k;
if (x[i]==' ') {
flagbrokenmlsx=1;
break;
}
}
if (ll==i) return 0;
i++;
if (ll==i) return 0;
fp->name = x + i;
fp->namelen = ll - i;
fp->sizetype = sizetype;
fp->size=size;
fp->mtimetype = mtimetype;
fp->mtime=mtime;
fp->flagtrycwd=flagtrycwd;
fp->flagtryretr=flagtryretr;
if (id) {
fp->idtype = FTPPARSE_ID_FULL;
fp->id=id;
fp->idlen=idlen;
}
fp->flagbrokenmlsx=flagbrokenmlsx;
fp->format=FTPPARSE_FORMAT_MLSX;
return 1;
}
