void main(int argc,char **argv)
{
int fdlock;
unsigned long delay;
(void) umask(022);
sig_pipeignore();
when = now();
getconfopt(argc,argv,options,1,0);
if (flagreturn < 0)
/* default to returning timed-out messages */
flagreturn = !getconf_isset("noreturnposts");
getconf_line(&modtime,"modtime",0);
if (!stralloc_0(&modtime)) die_nomem();
scan_ulong(modtime.s,&delay);
if (!delay) delay = DELAY_DEFAULT;
else if (delay < DELAY_MIN) delay = DELAY_MIN;
else if (delay > DELAY_MAX) delay = DELAY_MAX;
older = (unsigned long) when - 3600L * delay; /* delay is in hours */
fdlock = lockfile("mod/lock");
dodir("mod/pending/",flagreturn);
dodir("mod/accepted/",0);
dodir("mod/rejected/",0);
dodir("mod/unconfirmed/",0);
_exit(0);
}
static int getflag(int flagno)
{
struct flag *flag = &flags[flagno];
if (flag->state < 0)
flag->state = (flag->filename == 0) || getconf_isset(flag->filename);
return flag->state;
}
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);
}
}