void startprocessor(struct cyclog *d)
{
const char *args[4];
int fd;
sig_uncatch(sig_term);
sig_uncatch(sig_alarm);
sig_unblock(sig_term);
sig_unblock(sig_alarm);
fd = open_read("previous");
if (fd == -1) return;
if (fd_move(0,fd) == -1) return;
fd = open_trunc("processed");
if (fd == -1) return;
if (fd_move(1,fd) == -1) return;
fd = open_read("state");
if (fd == -1) return;
if (fd_move(4,fd) == -1) return;
fd = open_trunc("newstate");
if (fd == -1) return;
if (fd_move(5,fd) == -1) return;
args[0] = "sh";
args[1] = "-c";
args[2] = d->processor;
args[3] = 0;
execve("/bin/sh",args,environ);
}
void write_ulong(unsigned long num,unsigned long cum,unsigned long dat,
const char *fn,const char *fnn)
/* write num to "fnn" add ':' & cum if cum <>0, then move "fnn" to "fn" */
{
int fd;
fd = open_trunc(fnn);
if (fd == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CREATE,fnn));
substdio_fdbuf(&ssnum,write,fd,numbuf,sizeof(numbuf));
if (substdio_put(&ssnum,strnum,fmt_ulong(strnum,num)) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnn));
if (substdio_puts(&ssnum,":") == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnn));
if (substdio_put(&ssnum,strnum,fmt_ulong(strnum,cum)) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnn));
if (dat) {
if (substdio_puts(&ssnum,":") == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnn));
if (substdio_put(&ssnum,strnum,fmt_ulong(strnum,dat)) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnn));
}
if (substdio_puts(&ssnum,"\n") == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnn));
if (substdio_flush(&ssnum) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_FLUSH,fnn));
if (fsync(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_SYNC,fnn));
if (close(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CLOSE,fnn));
wrap_rename(fnn,fn);
}
void start(const char *s)
{
fn = s;
fd = open_trunc(fn);
if (fd == -1) fail();
buffer_init(&ss,buffer_unixwrite,fd,buf,sizeof buf);
}
void announce(void)
{
int fd;
int r;
status[16] = (pid ? flagpaused : 0);
status[17] = (flagwant ? (flagwantup ? 'u' : 'd') : 0);
fd = open_trunc("supervise/status.new");
if (fd == -1) {
strerr_warn4(WARNING,"unable to open ",dir,"/supervise/status.new: ",&strerr_sys);
return;
}
r = write(fd,status,sizeof status);
if (r == -1) {
strerr_warn4(WARNING,"unable to write ",dir,"/supervise/status.new: ",&strerr_sys);
close(fd);
return;
}
close(fd);
if (r < sizeof status) {
strerr_warn4(WARNING,"unable to write ",dir,"/supervise/status.new: partial write",0);
return;
}
if (rename("supervise/status.new","supervise/status") == -1)
strerr_warn4(WARNING,"unable to rename ",dir,"/supervise/status.new to status: ",&strerr_sys);
}
void snap_dump(char *filename, stralloc *sa)
{
dAVLCursor c;
dAVLNode *node;
char strip[IP6_FMT];
char strnum[FMT_ULONG];
int fd;
fd = open_trunc("filename");
if(fd == -1)
strerr_warn1(ARGV0 "warning: unable to open for tcp.tmp for writing", &strerr_sys);
buffer_init(&wb, write, fd, wbspace, sizeof wbspace);
node = dAVLFirst(&c, t);
while(node)
{
buffer_put(&wb, strnum, fmt_ulong(strnum, node->key));
buffer_puts(&wb, ",");
buffer_put(&wb, strip, ip4_fmt(strip, node->ip4));
buffer_puts(&wb, ",");
buffer_put(&wb, strip, ip6_fmt(strip, node->ip6));
buffer_puts(&wb, ",LOC\n");
node = dAVLNext(&c);
}
buffer_flush(&wb);
close(fd);
}
int main() {
int fd = open_trunc("trunc.txt");
if (fd == -1)
return 1;
return 0;
}
static void announce()
{
int fd;
int r;
status[12] = (pid ? flagpaused : 0);
status[13] = (flagwant ? (flagwantup ? 'u' : 'd') : 0);
status[14] = (closealarm ? 'x' : 'o');
status[15] = 0;
fd = open_trunc(status_files[4]);
if (fd == -1)
{
write_log(fdlogwf, WARNING, "unable to open ", status_dir, "/status.new\n");
return;
}
r = write(fd, status, sizeof status);
if (r == -1)
{
write_log(fdlogwf, WARNING, "unable to write ", status_dir, "/status.new\n");
close(fd);
return;
}
close(fd);
if (r < sizeof status)
{
write_log(fdlogwf, WARNING, "unable to write ", status_dir, "/status.new: partial write\n");
return;
}
if (rename(status_files[4], status_files[3]) == -1)
write_log(fdlogwf, WARNING, "unable to rename ", status_dir, "/status.new to status\n");
}
static int open_trunc_or_warn(const char *name)
{
int fd = open_trunc(name);
if (fd < 0)
bb_perror_msg("%s: warning: cannot open %s",
dir, name);
return fd;
}
void f_open(const char *slash)
{
int fd;
dirplusmake(slash);
fd = open_trunc(dirplus.s);
if (fd == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CREATE,dirplus.s));
substdio_fdbuf(&ss,write,fd,ssbuf,sizeof(ssbuf));
}
int sv_stat_save(char *path, sv_stat_t *svst) {
int fd;
array_t new_path = ARRAY_INIT(1);
int r;
char status[SUPERVISE_STATUS_SIZE];
uint32_t tmp;
/* Pack the svstat data into the status byte array. */
taia_pack(status, &svst->timestamp);
tmp = svst->pid;
((uint32_t *)status)[3] = htobe32(tmp);
status[16] = svst->paused;
status[17] = svst->mode;
/* Construct the path for the .new file into the array which *MUST* be freed
* before returning. */
array_append(&new_path, path, strlen(path));
array_append(&new_path, SUPERVISE_STATUS_NEW_EXT, strlen(SUPERVISE_STATUS_NEW_EXT));
array_append_null(&new_path);
if (array_failed(&new_path)) {
array_reset(&new_path);
errno = ENOMEM;
return -1;
}
/* Open the tmp file, write the status byte array to it, verify the entire
* array was written, and finally rename it to status. */
fd = open_trunc(array_start(&new_path));
if (fd == -1) {
array_reset(&new_path);
return ESVOPENSTATNEW;
}
r = write(fd, status, SUPERVISE_STATUS_SIZE);
if ((r == -1) || (r != SUPERVISE_STATUS_SIZE)) {
close(fd);
array_reset(&new_path);
return ESVWRITESTATNEW;
}
close(fd);
if (rename(array_start(&new_path), path) == -1) {
array_reset(&new_path);
return ESVWRITESTAT;
}
array_reset(&new_path);
return 0;
}
void store_from(stralloc *frl, /* from line */
const char *adr)
/* rewrites the from file removing all that is older than 1000000 secs */
/* and add the curent from line (frl). Forget it if there is none there.*/
/* NOTE: This is used only for subscribes to moderated lists! */
{
int fdin;
int fdout;
unsigned long linetime;
if (!flagstorefrom || !frl->len) return; /* nothing to store */
lock();
if ((fdout = open_trunc("fromn")) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,"fromn"));
substdio_fdbuf(&ssfrom,write,fdout,frombuf,(int) sizeof(frombuf));
if ((fdin = open_read("from")) == -1) {
if (errno != error_noent)
strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,"from"));
} else {
substdio_fdbuf(&sstext,read,fdin,textbuf,(int) sizeof(textbuf));
for (;;) {
if (getln(&sstext,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_READ,"from"));
if (!match) break;
(void) scan_ulong(line.s,&linetime);
if (linetime + 1000000 > (unsigned long) when
&& linetime <= (unsigned long) when)
if (substdio_bput(&ssfrom,line.s,line.len))
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"fromn"));
}
close(fdin);
} /* build new entry */
stralloc_copyb(&line,strnum,fmt_ulong(strnum,when));
stralloc_append(&line,' ');
stralloc_cats(&line,adr);
stralloc_0(&line);
stralloc_catb(&line,frl->s,frl->len);
stralloc_append(&line,'\n');
if (substdio_bput(&ssfrom,line.s,line.len) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"fromn"));
if (substdio_flush(&ssfrom) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"fromn"));
if (fsync(fdout) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_SYNC,"fromn"));
if (close(fdout) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CLOSE,"fromn"));
wrap_rename("fromn","from");
unlock();
}
void numwrite(void)
{
int fd;
int i;
i = fmt_ulong(strnum,msgnum);
strnum[i++] = ':';
i += fmt_ulong(strnum+i,cumsize);
strnum[i++] = '\n';
if ((fd = open_trunc("numnew")) == -1
|| write(fd, strnum, i) != i
|| fsync(fd) == -1
|| close(fd) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_CREATE,"numnew"));
wrap_rename("numnew","num");
}
int main() {
int fd = open_read("read.txt");
if (fd != -1)
return 1;
fd = open_trunc("read.txt");
if (fd == -1)
return 2;
close(fd);
fd = open_read("read.txt");
if (fd == -1)
return 3;
return 0;
}
static int openone(unsigned long outnum)
{
static stralloc fnadir = {0};
char strnum[FMT_ULONG];
int fd;
stralloc_copys(&fnadir,"archive/");
stralloc_catb(&fnadir,strnum,fmt_ulong(strnum,outnum / 100));
stralloc_copy(&fnaf,&fnadir);
stralloc_cats(&fnaf,"/");
stralloc_catb(&fnaf,strnum,fmt_uint0(strnum,(unsigned int)(outnum % 100),2));
stralloc_0(&fnadir);
stralloc_0(&fnaf);
if (mkdir(fnadir.s,0755) == -1)
if (errno != error_exist)
strerr_die2sys(111,FATAL,MSG1(ERR_CREATE,fnadir.s));
if ((fd = open_trunc(fnaf.s)) == -1)
strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,fnaf.s));
substdio_fdbuf(&ssarchive,write,fd,archivebuf,sizeof archivebuf);
return fd;
}
int main()
{
umask(033);
if (chdir(auto_qmail) == -1)
strerr_die4sys(111,FATAL,"unable to chdir to ",auto_qmail,": ");
fd = open_read("control/morercpthosts");
if (fd == -1) die_read();
substdio_fdbuf(&ssin,read,fd,inbuf,sizeof inbuf);
fdtemp = open_trunc("control/morercpthosts.tmp");
if (fdtemp == -1) die_write();
if (cdbmss_start(&cdbmss,fdtemp) == -1) die_write();
for (;;) {
if (getln(&ssin,&line,&match,'\n') != 0) die_read();
case_lowerb(line.s,line.len);
while (line.len) {
if (line.s[line.len - 1] == ' ') { --line.len; continue; }
if (line.s[line.len - 1] == '\n') { --line.len; continue; }
if (line.s[line.len - 1] == '\t') { --line.len; continue; }
if (line.s[0] != '#')
if (cdbmss_add(&cdbmss,line.s,line.len,"",0) == -1)
die_write();
break;
}
if (!match) break;
}
if (cdbmss_finish(&cdbmss) == -1) die_write();
if (fsync(fdtemp) == -1) die_write();
if (close(fdtemp) == -1) die_write(); /* NFS stupidity */
if (rename("control/morercpthosts.tmp","control/morercpthosts.cdb") == -1)
strerr_die2sys(111,FATAL,"unable to move control/morercpthosts.tmp to control/morercpthosts.cdb");
_exit(0);
}
int openwritenclose_unsafe_internal (char const *fn, char const *s, unsigned int len, uint64 *dev, uint64 *ino, int dosync)
{
struct stat st ;
int fd = open_trunc(fn) ;
if (fd < 0) return 0 ;
if (allwrite(fd, s, len) < len) goto fail ;
if ((dev || ino) && (fstat(fd, &st) < 0)) goto fail ;
if (dosync && (fd_sync(fd) < 0) && (errno != EINVAL)) goto fail ;
fd_close(fd) ;
if (dev) *dev = (uint64)st.st_dev ;
if (ino) *ino = (uint64)st.st_ino ;
return 1 ;
fail:
{
register int e = errno ;
fd_close(fd) ;
unlink(fn) ;
errno = e ;
}
return 0 ;
}
int openone(unsigned long outnum)
{
int fd;
if (!stralloc_copys(&fnadir,"archive/")) die_nomem();
if (!stralloc_catb(&fnadir,strnum,
fmt_ulong(strnum,outnum / 100))) die_nomem();
if (!stralloc_copy(&fnaf,&fnadir)) die_nomem();
if (!stralloc_cats(&fnaf,"/")) die_nomem();
if (!stralloc_catb(&fnaf,strnum,
fmt_uint0(strnum,(unsigned int)(outnum % 100),2)))
die_nomem();
if (!stralloc_0(&fnadir)) die_nomem();
if (!stralloc_0(&fnaf)) die_nomem();
if (mkdir(fnadir.s,0755) == -1)
if (errno != error_exist)
strerr_die4sys(111,FATAL,ERR_CREATE,fnadir.s,": ");
if ((fd = open_trunc(fnaf.s)) == -1)
strerr_die4sys(111,FATAL,ERR_WRITE,fnaf.s,": ");
substdio_fdbuf(&ssarchive,write,fd,archivebuf,sizeof archivebuf);
return fd;
}
int main(int argc, char **argv)
{
umask(033);
if (argc != 3)
strerr_die1sys(111,"qmail-cdb: usage: qmail-cdb rules.cdb rules.tmp");
substdio_fdbuf(&ssin,subread,0,inbuf,sizeof inbuf);
fdtemp = open_trunc(argv[2]);
if (fdtemp == -1) die_write(argv[2]);
if (cdb_make_start(&cdbm,fdtemp) == -1) die_write(argv[2]);
for (;;) {
if (getln(&ssin,&line,&match,'\n') != 0) die_read();
case_lowerb(line.s,line.len);
while (line.len) {
if (line.s[line.len - 1] == ' ') { --line.len; continue; }
if (line.s[line.len - 1] == '\n') { --line.len; continue; }
if (line.s[line.len - 1] == '\t') { --line.len; continue; }
if (line.s[0] != '#')
if (cdb_make_add(&cdbm,line.s,line.len,"",0) == -1)
die_write(argv[2]);
break;
}
if (!match) break;
}
if (cdb_make_finish(&cdbm) == -1) die_write(argv[2]);
if (fsync(fdtemp) == -1) die_write(argv[2]);
if (close(fdtemp) == -1) die_write(argv[2]); /* NFS stupidity */
if (rename(argv[2],argv[1]) == -1)
strerr_die5sys(111, FATAL, "unable to move ", argv[2], " to ", argv[1]);
return 0;
}
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 */
}
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));
}
}
int
main(int argc, char *argv[])
{
int fddata = 0;
unsigned int i = 0, j = 0, k = 0;
unsigned long u = 0;
unsigned long ttl = 0;
char ch = 0;
char *x = NULL;
char ttd[8], loc[2];
char ip[4], type[2];
char soa[20], buf[4];
prog = strdup ((x = strrchr (argv[0], '/')) != NULL ? x + 1 : argv[0]);
i = check_option (argc, argv);
argv += i;
argc -= i;
umask(022);
if ((fddata = open_read ("data")) == -1)
err (-1, "could not open file `data'");
defaultsoa_init (fddata);
buffer_init (&b, buffer_unixread, fddata, bspace, sizeof bspace);
if ((fdcdb = open_trunc ("data.tmp")) == -1)
err (-1, "could not create file `data.tmp'");
if (cdb_make_start (&cdb, fdcdb) == -1)
err (-1, "could not create file `data.tmp'");
while (match)
{
linenum++;
if (getln (&b, &line, &match, '\n') == -1)
err (-1, "could not read line: %ld", linenum);
while (line.len)
{
ch = line.s[line.len - 1];
if ((ch != ' ') && (ch != '\t') && (ch != '\n'))
break;
--line.len;
}
if (!line.len)
continue;
if (line.s[0] == '#')
continue;
if (line.s[0] == '-')
continue;
j = 1;
for (i = 0; i < NUMFIELDS; i++)
{
if (j >= line.len)
{
if (!stralloc_copys (&f[i], ""))
err (-1, "could not allocate enough memory");
}
else
{
k = byte_chr (line.s + j, line.len - j, ':');
if (!stralloc_copyb (&f[i], line.s + j, k))
err (-1, "could not allocate enough memory");
j += k + 1;
}
}
switch (line.s[0])
{
case '%':
locparse (&f[0], loc);
if (!stralloc_copyb (&key, "\0%", 2))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[1]))
err (-1, "could not allocate enough memory");
ipprefix_cat (&key, f[1].s);
if (cdb_make_add(&cdb,key.s,key.len,loc,2) == -1)
err (-1, "could not create file `data.tmp'");
break;
case 'Z':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[3]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[3].s, &u))
uint32_unpack_big (defaultsoa, (uint32 *)&u);
uint32_pack_big (soa, u);
if (!stralloc_0 (&f[4]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[4].s, &u))
uint32_unpack_big (defaultsoa + 4, (uint32 *)&u);
uint32_pack_big (soa + 4, u);
if (!stralloc_0 (&f[5]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[5].s, &u))
uint32_unpack_big (defaultsoa + 8, (uint32 *)&u);
uint32_pack_big (soa + 8, u);
if (!stralloc_0 (&f[6]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[6].s, &u))
uint32_unpack_big (defaultsoa + 12, (uint32 *)&u);
uint32_pack_big (soa + 12, u);
if (!stralloc_0 (&f[7]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[7].s, &u))
uint32_unpack_big (defaultsoa + 16, (uint32 *)&u);
uint32_pack_big (soa + 16, u);
if (!stralloc_0 (&f[8]))
err (-1, "could not allocate enough memory");
if (!scan_ulong(f[8].s,&ttl))
ttl = TTL_NEGATIVE;
ttdparse (&f[9], ttd);
locparse (&f[10], loc);
rr_start (DNS_T_SOA, ttl, ttd, loc);
if (!dns_domain_fromdot (&d2, f[1].s, f[1].len))
err (-1, "could not allocate enough memory");
rr_addname (d2);
if (!dns_domain_fromdot (&d2, f[2].s, f[2].len))
err (-1, "could not allocate enough memory");
rr_addname (d2);
rr_add (soa, 20);
rr_finish (d1);
break;
case '.':
case '&':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[3]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[3].s, &ttl))
ttl = TTL_NS;
ttdparse (&f[4], ttd);
locparse (&f[5], loc);
if (!stralloc_0 (&f[1]))
err (-1, "could not allocate enough memory");
if (byte_chr (f[2].s, f[2].len, '.') >= f[2].len)
{
if (!stralloc_cats (&f[2], ".ns."))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[2], f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
}
if (!dns_domain_fromdot (&d2, f[2].s, f[2].len))
err (-1, "could not allocate enough memory");
if (line.s[0] == '.')
{
rr_start (DNS_T_SOA, ttl ? TTL_NEGATIVE : 0, ttd, loc);
rr_addname (d2);
rr_add ("\12hostmaster", 11);
rr_addname (d1);
rr_add (defaultsoa, 20);
rr_finish (d1);
}
rr_start (DNS_T_NS, ttl, ttd, loc);
rr_addname (d2);
rr_finish (d1);
if (ip4_scan (f[1].s, ip))
{
rr_start (DNS_T_A, ttl, ttd, loc);
rr_add (ip, 4);
rr_finish (d2);
}
break;
case '+':
case '=':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[2]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[2].s, &ttl))
ttl = TTL_POSITIVE;
ttdparse (&f[3], ttd);
locparse (&f[4], loc);
if (!stralloc_0 (&f[1]))
err (-1, "could not allocate enough memory");
if (ip4_scan (f[1].s, ip))
{
rr_start (DNS_T_A, ttl, ttd, loc);
rr_add (ip, 4);
rr_finish (d1);
if (line.s[0] == '=')
{
dns_name4_domain (dptr,ip);
rr_start (DNS_T_PTR, ttl, ttd, loc);
rr_addname (d1);
rr_finish (dptr);
}
}
break;
case '@':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[4]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[4].s, &ttl))
ttl = TTL_POSITIVE;
ttdparse (&f[5], ttd);
locparse (&f[6], loc);
if (!stralloc_0 (&f[1]))
err (-1, "could not allocate enough memory");
if (byte_chr (f[2].s, f[2].len, '.') >= f[2].len)
{
if (!stralloc_cats (&f[2], ".mx."))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[2], f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
}
if (!dns_domain_fromdot (&d2, f[2].s, f[2].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[3]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[3].s, &u))
u = 0;
rr_start (DNS_T_MX, ttl, ttd, loc);
uint16_pack_big (buf, u);
rr_add (buf, 2);
rr_addname (d2);
rr_finish (d1);
if (ip4_scan (f[1].s, ip))
{
rr_start (DNS_T_A, ttl, ttd, loc);
rr_add (ip, 4);
rr_finish (d2);
}
break;
case '^':
case 'C':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!dns_domain_fromdot (&d2, f[1].s, f[1].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[2]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[2].s, &ttl))
ttl = TTL_POSITIVE;
ttdparse (&f[3], ttd);
locparse (&f[4], loc);
if (line.s[0] == 'C')
rr_start (DNS_T_CNAME, ttl, ttd, loc);
else
rr_start (DNS_T_PTR, ttl, ttd, loc);
rr_addname (d2);
rr_finish (d1);
break;
case '\'':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[2]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[2].s, &ttl))
ttl = TTL_POSITIVE;
ttdparse (&f[3], ttd);
locparse (&f[4], loc);
rr_start (DNS_T_TXT, ttl, ttd, loc);
txtparse (&f[1]);
i = 0;
while (i < f[1].len)
{
k = f[1].len - i;
if (k > 127)
k = 127;
ch = k;
rr_add (&ch, 1);
rr_add (f[1].s + i, k);
i += k;
}
rr_finish (d1);
break;
case ':':
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[3]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[3].s, &ttl))
ttl = TTL_POSITIVE;
ttdparse (&f[4], ttd);
locparse (&f[5], loc);
if (!stralloc_0 (&f[1]))
err (-1, "could not allocate enough memory");
scan_ulong (f[1].s, &u);
uint16_pack_big (type, u);
if (byte_equal (type, 2, DNS_T_AXFR))
syntaxerror (": type AXFR prohibited");
if (byte_equal (type, 2, "\0\0"))
syntaxerror (": type 0 prohibited");
if (byte_equal (type, 2, DNS_T_SOA))
syntaxerror (": type SOA prohibited");
if (byte_equal (type, 2, DNS_T_NS))
syntaxerror (": type NS prohibited");
if (byte_equal (type, 2, DNS_T_CNAME))
syntaxerror (": type CNAME prohibited");
if (byte_equal (type, 2, DNS_T_PTR))
syntaxerror (": type PTR prohibited");
if (byte_equal (type, 2, DNS_T_MX))
syntaxerror (": type MX prohibited");
txtparse (&f[2]);
rr_start (type, ttl, ttd, loc);
rr_add (f[2].s, f[2].len);
rr_finish (d1);
break;
default:
syntaxerror (": unrecognized leading character");
}
}
if (cdb_make_finish (&cdb) == -1)
err (-1, "could not create file `data.tmp'");
if (fsync (fdcdb) == -1)
err (-1, "could not create file `data.tmp'");
if (close (fdcdb) == -1)
err (-1, "could not create file `data.tmp'"); /* NFS stupidity */
if (rename ("data.tmp", "data.cdb") == -1)
err (-1, "could not move `data.tmp' to `data.cdb'");
return 0;
}
int std_subscribe(const char *dir,
const char *subdir,
const char *userhost,
int flagadd,
const char *comment,
const char *event,
int forcehash)
/* add (flagadd=1) or remove (flagadd=0) userhost from the subscr. database */
/* dbname. Comment is e.g. the subscriber from line or name. It is added to */
/* the log. Event is the action type, e.g. "probe", "manual", etc. The */
/* direction (sub/unsub) is inferred from flagadd. Returns 1 on success, 0 */
/* on failure. If flagmysql is set and the file "sql" is found in the */
/* directory dbname, it is parsed and a mysql db is assumed. if forcehash is */
/* >=0 it is used in place of the calculated hash. This makes it possible to */
/* add addresses with a hash that does not exist. forcehash has to be 0..99. */
/* for unsubscribes, the address is only removed if forcehash matches the */
/* actual hash. This way, ezmlm-manage can be prevented from touching certain*/
/* addresses that can only be removed by ezmlm-unsub. Usually, this would be */
/* used for sublist addresses (to avoid removal) and sublist aliases (to */
/* prevent users from subscribing them (although the cookie mechanism would */
/* prevent the resulting duplicate message from being distributed. */
{
int fdlock;
unsigned int j;
unsigned char ch,lcch;
int match;
int flagwasthere;
if (userhost[str_chr(userhost,'\n')])
strerr_die2x(100,FATAL,ERR_ADDR_NL);
if (!stralloc_copys(&addr,"T")) die_nomem();
if (!stralloc_cats(&addr,userhost)) die_nomem();
if (addr.len > 401)
strerr_die2x(100,FATAL,ERR_ADDR_LONG);
j = byte_rchr(addr.s,addr.len,'@');
if (j == addr.len)
strerr_die2x(100,FATAL,ERR_ADDR_AT);
case_lowerb(addr.s + j + 1,addr.len - j - 1);
if (!stralloc_copy(&lcaddr,&addr)) die_nomem();
case_lowerb(lcaddr.s + 1,j - 1); /* make all-lc version of address */
if (forcehash >= 0 && forcehash <= 52) {
ch = lcch = 64 + (unsigned char) forcehash;
} else {
ch = 64 + subhashsa(&addr);
lcch = 64 + subhashsa(&lcaddr);
}
if (!stralloc_0(&addr)) die_nomem();
if (!stralloc_0(&lcaddr)) die_nomem();
std_makepath(&fn,dir,subdir,"/subscribers/",lcch);
std_makepath(&fnlock,dir,subdir,"/lock",0);
if (!stralloc_copyb(&fnnew,fn.s,fn.len-1)) die_nomem();
/* code later depends on fnnew = fn + 'n' */
if (!stralloc_cats(&fnnew,"n")) die_nomem();
if (!stralloc_0(&fnnew)) die_nomem();
fdlock = lockfile(fnlock.s);
/* do lower case hashed version first */
fdnew = open_trunc(fnnew.s);
if (fdnew == -1) die_write();
substdio_fdbuf(&ssnew,write,fdnew,ssnewbuf,sizeof(ssnewbuf));
flagwasthere = 0;
fd = open_read(fn.s);
if (fd == -1) {
if (errno != error_noent) { close(fdnew); die_read(); }
}
else {
substdio_fdbuf(&ss,read,fd,ssbuf,sizeof(ssbuf));
for (;;) {
if (getln(&ss,&line,&match,'\0') == -1) {
close(fd); close(fdnew); die_read();
}
if (!match) break;
if (line.len == addr.len)
if (!case_diffb(line.s,line.len,addr.s)) {
flagwasthere = 1;
if (!flagadd)
continue;
}
if (substdio_bput(&ssnew,line.s,line.len) == -1) {
close(fd); close(fdnew); die_write();
}
}
close(fd);
}
if (flagadd && !flagwasthere)
if (substdio_bput(&ssnew,addr.s,addr.len) == -1) {
close(fdnew); die_write();
}
if (substdio_flush(&ssnew) == -1) { close(fdnew); die_write(); }
if (fsync(fdnew) == -1) { close(fdnew); die_write(); }
close(fdnew);
if (rename(fnnew.s,fn.s) == -1)
strerr_die6sys(111,FATAL,ERR_MOVE,fnnew.s," to ",fn.s,": ");
if ((ch == lcch) || flagwasthere) {
close(fdlock);
if (flagadd ^ flagwasthere) {
if (!stralloc_0(&addr)) die_nomem();
logaddr(dir,subdir,event,addr.s+1,comment);
return 1;
}
return 0;
}
/* If unsub and not found and hashed differ, OR */
/* sub and not found (so added with new hash) */
/* do the 'case-dependent' hash */
fn.s[fn.len - 2] = ch;
fnnew.s[fnnew.len - 3] = ch;
fdnew = open_trunc(fnnew.s);
if (fdnew == -1) die_write();
substdio_fdbuf(&ssnew,write,fdnew,ssnewbuf,sizeof(ssnewbuf));
fd = open_read(fn.s);
if (fd == -1) {
if (errno != error_noent) { close(fdnew); die_read(); }
} else {
substdio_fdbuf(&ss,read,fd,ssbuf,sizeof(ssbuf));
for (;;) {
if (getln(&ss,&line,&match,'\0') == -1)
{ close(fd); close(fdnew); die_read(); }
if (!match) break;
if (line.len == addr.len)
if (!case_diffb(line.s,line.len,addr.s)) {
flagwasthere = 1;
continue; /* always want to remove from case-sensitive hash */
}
if (substdio_bput(&ssnew,line.s,line.len) == -1)
{ close(fd); close(fdnew); die_write(); }
}
close(fd);
}
if (substdio_flush(&ssnew) == -1) { close(fdnew); die_write(); }
if (fsync(fdnew) == -1) { close(fdnew); die_write(); }
close(fdnew);
if (rename(fnnew.s,fn.s) == -1)
strerr_die6sys(111,FATAL,ERR_MOVE,fnnew.s," to ",fn.s,": ");
close(fdlock);
if (flagadd ^ flagwasthere) {
if (!stralloc_0(&addr)) die_nomem();
logaddr(dir,subdir,event,addr.s+1,comment);
return 1;
}
return 0;
}
int main(int argc, char **argv)
{
int fddata;
uint32 loc;
//int v;
char ipa[4];
//char ipb[4];
//ip4_cidr_t *subnets = (ip4_cidr_t *)NULL;
//unsigned int slen = 0;
uint32 ipinta = 0U;
//unsigned int ipintb = 0;
unsigned short mask;
uint32 uid = 0;
uint32 mid = 0;
int i;
int j;
int k;
char ch;
unsigned long ttl;
char ttd[8];
//uint32 loc;
unsigned char keyloc[15];
unsigned long u;
char ip[4];
char locp[4];
//char map[9];
char type[2];
char soa[20];
char buf[4];
//int namlen = 0;
umask(022);
fddata = STDIN_FILENO;
if (argc != 3) {
fddata = open_read("data");
if (fddata == -1) strerr_die2sys(111,FATAL,"unable to open data: ");
if ( (fdcdb = open_trunc("data.tmp")) == -1) die_datatmp();
} else {
fddata = STDIN_FILENO;
if ( (fdcdb = open_trunc(argv[1])) == -1) die_datatmp();
}
defaultsoa_init(fddata);
buffer_init(&b,buffer_unixread,fddata,bspace,sizeof bspace);
if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp();
while (match) {
++linenum;
if (getln(&b,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,"unable to read line: ");
while (line.len) {
ch = line.s[line.len - 1];
if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break;
--line.len;
}
if (!line.len) continue;
if (line.s[0] == '#') continue;
if (line.s[0] == '-') continue;
//write(1,line.s,line.len);
//write(1,"\n",1);
j = 1;
for (i = 0;i < NUMFIELDS;++i) {
if (j >= line.len) {
if (!stralloc_copys(&f[i],"")) nomem();
}
else {
k = byte_chr(line.s + j,line.len - j,':');
if (!stralloc_copyb(&f[i],line.s + j,k)) nomem();
j += k + 1;
}
}
switch(line.s[0]) {
#ifdef USE_LOCMAPS
case '%':
//locparse(&f[0],loc);
loc = gethash(f[0].s,f[0].len);
uint32_pack(locp,loc);
if (!stralloc_0(&f[1])) nomem();
if (!stralloc_0(&f[2])) nomem();
ip4_scan(f[1].s,ipa);
//ip4_scan(f[2].s,ipb);
scan_ushort(f[2].s,&mask);
ip4_num(&ipinta,ipa);
//ip4_num(&ipintb,ipb);
//if (ipintb<ipinta) nomem();
//if (ip4_deaggregate(ipinta,ipintb,&subnets,&slen) <= 0) nomem();
mid = gethash(f[3].s,f[3].len);
uid = gethash(f[4].s,f[4].len);
//for (v = 0; v < slen; v++) {
ipdb_key4build(keyloc,ipinta,(unsigned char )mask&0xff,mid,uid);
//ipdb_key_from_uint(keyloc,ipinta,(unsigned char )mask&0xff,0,mid,uid);
cdb_make_add(&cdb,keyloc,15,locp,4);
//}
uid = 0;
//alloc_free(subnets);
//subnets = NULL;
//slen = 0;
byte_zero(ipa,4);ipinta=0; //byte_zero(ipb,4);ipinta=0;ipintb=0;
break;
#endif
case 'Z':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&u)) uint32_unpack_big(defaultsoa,&u);
uint32_pack_big(soa,u);
if (!stralloc_0(&f[4])) nomem();
if (!scan_ulong(f[4].s,&u)) uint32_unpack_big(defaultsoa + 4,&u);
uint32_pack_big(soa + 4,u);
if (!stralloc_0(&f[5])) nomem();
if (!scan_ulong(f[5].s,&u)) uint32_unpack_big(defaultsoa + 8,&u);
uint32_pack_big(soa + 8,u);
if (!stralloc_0(&f[6])) nomem();
if (!scan_ulong(f[6].s,&u)) uint32_unpack_big(defaultsoa + 12,&u);
uint32_pack_big(soa + 12,u);
if (!stralloc_0(&f[7])) nomem();
if (!scan_ulong(f[7].s,&u)) uint32_unpack_big(defaultsoa + 16,&u);
uint32_pack_big(soa + 16,u);
if (!stralloc_0(&f[8])) nomem();
if (!scan_ulong(f[8].s,&ttl)) ttl = TTL_NEGATIVE;
ttdparse(&f[9],ttd);
loc = gethash(f[10].s,f[10].len);
mid = gethash(f[11].s,f[11].len);
uid = gethash(f[12].s,f[12].len);
rr_addloq(DNS_T_SOA,d1,loc,mid,uid);
rr_start(DNS_T_SOA,ttl,ttd,loc);
if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem();
rr_addname(d2);
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
rr_addname(d2);
rr_add(soa,20);
rr_finish(d1);
break;
case '.': case '&':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_NS;
ttdparse(&f[4],ttd);
loc = gethash(f[5].s,f[5].len);
mid = gethash(f[6].s,f[6].len);
uid = gethash(f[7].s,f[7].len);
if (!stralloc_0(&f[1])) nomem();
if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) {
if (!stralloc_cats(&f[2],".ns.")) nomem();
if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem();
}
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
if (line.s[0] == '.') {
rr_start(DNS_T_SOA,ttl ? TTL_NEGATIVE : 0,ttd,loc);
rr_addloq(DNS_T_SOA,d1,loc,mid,uid);
rr_addname(d2);
rr_add("\12hostmaster",11);
rr_addname(d1);
rr_add(defaultsoa,20);
rr_finish(d1);
}
rr_start(DNS_T_NS,ttl,ttd,loc);
rr_addname(d2);
rr_addloq(DNS_T_NS,d2,loc,mid,uid);
rr_finish(d1);
if (ip4_scan(f[1].s,ip)) {
rr_start(DNS_T_A,ttl,ttd,loc);
rr_addloq(DNS_T_A,d2,loc,mid,uid);
rr_add(ip,4);
rr_finish(d2);
}
break;
case '+': case '=':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
loc = gethash(f[4].s,f[4].len);
mid = gethash(f[5].s,f[5].len);
uid = gethash(f[6].s,f[6].len);
if (!stralloc_0(&f[1])) nomem();
if (ip4_scan(f[1].s,ip)) {
rr_addloq(DNS_T_A,d1,loc,mid,uid);
rr_start(DNS_T_A,ttl,ttd,loc);
//dbger("+addloq:d=%s,loc=%u,uid=%u,mid=%u",d1,loc,uid,mid);
rr_add(ip,4);
rr_finish(d1);
if (line.s[0] == '=') {
rr_addloq(DNS_T_PTR,d1,loc,mid,uid); //??????????????????/ TODO: checkthis
dns_name4_domain(dptr,ip);
rr_start(DNS_T_PTR,ttl,ttd,loc);
rr_addname(d1);
rr_finish(dptr);
}
}
break;
case '@':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[4])) nomem();
if (!scan_ulong(f[4].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[5],ttd);
loc = gethash(f[6].s,f[6].len);
mid = gethash(f[7].s,f[7].len);
uid = gethash(f[8].s,f[8].len);
if (!stralloc_0(&f[1])) nomem();
if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) {
if (!stralloc_cats(&f[2],".mx.")) nomem();
if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem();
}
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&u)) u = 0;
rr_addloq(DNS_T_MX,d1,loc,mid,uid);
rr_start(DNS_T_MX,ttl,ttd,loc);
uint16_pack_big(buf,u);
rr_add(buf,2);
rr_addname(d2);
rr_finish(d1);
if (ip4_scan(f[1].s,ip)) {
rr_addloq(DNS_T_A,d2,loc,mid,uid);
rr_start(DNS_T_A,ttl,ttd,loc);
rr_add(ip,4);
rr_finish(d2);
}
break;
case '^': case 'C':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
loc = gethash(f[4].s,f[4].len);
mid = gethash(f[5].s,f[5].len);
uid = gethash(f[6].s,f[6].len);
if (line.s[0] == 'C') {
//rr_addloq(DNS_T_CNAME,d1,loc,mid,uid);
//dbger("add loq for cname!");
rr_addloq(DNS_T_A,d1,loc,mid,uid);
rr_addloq(DNS_T_CNAME,d1,loc,mid,uid);
rr_start(DNS_T_CNAME,ttl,ttd,loc);
} else {
rr_addloq(DNS_T_PTR,d1,loc,mid,uid);
rr_start(DNS_T_PTR,ttl,ttd,loc);
}
rr_addname(d2);
rr_finish(d1);
break;
case '\'':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
loc = gethash(f[4].s,f[4].len);
mid = gethash(f[5].s,f[5].len);
uid = gethash(f[6].s,f[6].len);
rr_addloq(DNS_T_TXT,d1,loc,mid,uid);
rr_start(DNS_T_TXT,ttl,ttd,loc);
txtparse(&f[1]);
i = 0;
while (i < f[1].len) {
k = f[1].len - i;
if (k > 127) k = 127;
ch = k;
rr_add(&ch,1);
rr_add(f[1].s + i,k);
i += k;
}
rr_finish(d1);
break;
case ':':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[4],ttd);
loc = gethash(f[5].s,f[5].len);
mid = gethash(f[6].s,f[6].len);
uid = gethash(f[7].s,f[7].len);
if (!stralloc_0(&f[1])) nomem();
scan_ulong(f[1].s,&u);
uint16_pack_big(type,u);
if (byte_equal(type,2,DNS_T_AXFR))
syntaxerror(": type AXFR prohibited");
if (byte_equal(type,2,"\0\0"))
syntaxerror(": type 0 prohibited");
if (byte_equal(type,2,DNS_T_SOA))
syntaxerror(": type SOA prohibited");
if (byte_equal(type,2,DNS_T_NS))
syntaxerror(": type NS prohibited");
if (byte_equal(type,2,DNS_T_CNAME))
syntaxerror(": type CNAME prohibited");
if (byte_equal(type,2,DNS_T_PTR))
syntaxerror(": type PTR prohibited");
if (byte_equal(type,2,DNS_T_MX))
syntaxerror(": type MX prohibited");
txtparse(&f[2]);
rr_addloq(type,d1,loc,mid,uid);
rr_start(type,ttl,ttd,loc);
rr_add(f[2].s,f[2].len);
rr_finish(d1);
break;
default:
dienow("error here: %s\n", line.s);
syntaxerror(": unrecognized leading character");
}
}
if (cdb_make_finish(&cdb) == -1) die_datatmp();
if (fsync(fdcdb) == -1) die_datatmp();
if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */
if (argc == 3) {
if (rename(argv[1],argv[2]) == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: ");
} else {
if (rename("data.tmp","data.cdb") == -1) strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: ");
}
_exit(0);
}
int main()
{
int fddata;
int i;
int j;
int k;
char ch;
unsigned long ttl;
char ttd[8];
char loc[2];
unsigned long u;
char ip[4];
char ip6[16];
char type[2];
char soa[20];
char buf[4];
umask(022);
fddata = open_read("data");
if (fddata == -1)
strerr_die2sys(111,FATAL,"unable to open data: ");
defaultsoa_init(fddata);
buffer_init(&b,buffer_unixread,fddata,bspace,sizeof bspace);
fdcdb = open_trunc("data.tmp");
if (fdcdb == -1) die_datatmp();
if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp();
while (match) {
++linenum;
if (getln(&b,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,"unable to read line: ");
while (line.len) {
ch = line.s[line.len - 1];
if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break;
--line.len;
}
if (!line.len) continue;
if (line.s[0] == '#') continue;
if (line.s[0] == '-') continue;
j = 1;
for (i = 0;i < NUMFIELDS;++i) {
if (j >= line.len) {
if (!stralloc_copys(&f[i],"")) nomem();
}
else {
k = byte_chr(line.s + j,line.len - j,':');
if (!stralloc_copyb(&f[i],line.s + j,k)) nomem();
j += k + 1;
}
}
switch(line.s[0]) {
case '%':
locparse(&f[0],loc);
if (!stralloc_copyb(&key,"\0%",2)) nomem();
if (!stralloc_0(&f[1])) nomem();
ipprefix_cat(&key,f[1].s);
if (cdb_make_add(&cdb,key.s,key.len,loc,2) == -1)
die_datatmp();
break;
case 'Z':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&u)) uint32_unpack_big(defaultsoa,&u);
uint32_pack_big(soa,u);
if (!stralloc_0(&f[4])) nomem();
if (!scan_ulong(f[4].s,&u)) uint32_unpack_big(defaultsoa + 4,&u);
uint32_pack_big(soa + 4,u);
if (!stralloc_0(&f[5])) nomem();
if (!scan_ulong(f[5].s,&u)) uint32_unpack_big(defaultsoa + 8,&u);
uint32_pack_big(soa + 8,u);
if (!stralloc_0(&f[6])) nomem();
if (!scan_ulong(f[6].s,&u)) uint32_unpack_big(defaultsoa + 12,&u);
uint32_pack_big(soa + 12,u);
if (!stralloc_0(&f[7])) nomem();
if (!scan_ulong(f[7].s,&u)) uint32_unpack_big(defaultsoa + 16,&u);
uint32_pack_big(soa + 16,u);
if (!stralloc_0(&f[8])) nomem();
if (!scan_ulong(f[8].s,&ttl)) ttl = TTL_NEGATIVE;
ttdparse(&f[9],ttd);
locparse(&f[10],loc);
rr_start(DNS_T_SOA,ttl,ttd,loc);
if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem();
rr_addname(d2);
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
rr_addname(d2);
rr_add(soa,20);
rr_finish(d1);
break;
case '.': case '&':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_NS;
ttdparse(&f[4],ttd);
locparse(&f[5],loc);
if (!stralloc_0(&f[1])) nomem();
if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) {
if (!stralloc_cats(&f[2],".ns.")) nomem();
if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem();
}
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
if (line.s[0] == '.') {
rr_start(DNS_T_SOA,ttl ? TTL_NEGATIVE : 0,ttd,loc);
rr_addname(d2);
rr_add("\12hostmaster",11);
rr_addname(d1);
rr_add(defaultsoa,20);
rr_finish(d1);
}
rr_start(DNS_T_NS,ttl,ttd,loc);
rr_addname(d2);
rr_finish(d1);
if (ip4_scan(f[1].s,ip)) {
rr_start(DNS_T_A,ttl,ttd,loc);
rr_add(ip,4);
rr_finish(d2);
}
break;
case '+': case '=':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
locparse(&f[4],loc);
if (!stralloc_0(&f[1])) nomem();
if (ip4_scan(f[1].s,ip)) {
rr_start(DNS_T_A,ttl,ttd,loc);
rr_add(ip,4);
rr_finish(d1);
if (line.s[0] == '=') {
dns_name4_domain(dptr,ip);
rr_start(DNS_T_PTR,ttl,ttd,loc);
rr_addname(d1);
rr_finish(dptr);
}
}
break;
case '6': case '3':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
locparse(&f[4],loc);
if (!stralloc_0(&f[1])) nomem();
if (ip6_scan_flat(f[1].s,ip6)) {
rr_start(DNS_T_AAAA,ttl,ttd,loc);
rr_add(ip6,16);
rr_finish(d1);
if (line.s[0] == '6') { /* emit both .ip6.arpa and .ip6.int */
dns_name6_domain(d6ptr,ip6,DNS_IP6_ARPA);
rr_start(DNS_T_PTR,ttl,ttd,loc);
rr_addname(d1);
rr_finish(d6ptr);
dns_name6_domain(d6ptr,ip6,DNS_IP6_INT);
rr_start(DNS_T_PTR,ttl,ttd,loc);
rr_addname(d1);
rr_finish(d6ptr);
}
}
break;
case '@':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[4])) nomem();
if (!scan_ulong(f[4].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[5],ttd);
locparse(&f[6],loc);
if (!stralloc_0(&f[1])) nomem();
if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) {
if (!stralloc_cats(&f[2],".mx.")) nomem();
if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem();
}
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&u)) u = 0;
rr_start(DNS_T_MX,ttl,ttd,loc);
uint16_pack_big(buf,u);
rr_add(buf,2);
rr_addname(d2);
rr_finish(d1);
if (ip4_scan(f[1].s,ip)) {
rr_start(DNS_T_A,ttl,ttd,loc);
rr_add(ip,4);
rr_finish(d2);
}
break;
case '^': case 'C':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!dns_domain_fromdot(&d2,f[1].s,f[1].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
locparse(&f[4],loc);
if (line.s[0] == 'C')
rr_start(DNS_T_CNAME,ttl,ttd,loc);
else
rr_start(DNS_T_PTR,ttl,ttd,loc);
rr_addname(d2);
rr_finish(d1);
break;
case '\'':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[2])) nomem();
if (!scan_ulong(f[2].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[3],ttd);
locparse(&f[4],loc);
rr_start(DNS_T_TXT,ttl,ttd,loc);
txtparse(&f[1]);
i = 0;
while (i < f[1].len) {
k = f[1].len - i;
if (k > 127) k = 127;
ch = k;
rr_add(&ch,1);
rr_add(f[1].s + i,k);
i += k;
}
rr_finish(d1);
break;
case ':':
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_POSITIVE;
ttdparse(&f[4],ttd);
locparse(&f[5],loc);
if (!stralloc_0(&f[1])) nomem();
scan_ulong(f[1].s,&u);
uint16_pack_big(type,u);
if (byte_equal(type,2,DNS_T_AXFR))
syntaxerror(": type AXFR prohibited");
if (byte_equal(type,2,"\0\0"))
syntaxerror(": type 0 prohibited");
if (byte_equal(type,2,DNS_T_SOA))
syntaxerror(": type SOA prohibited");
if (byte_equal(type,2,DNS_T_NS))
syntaxerror(": type NS prohibited");
if (byte_equal(type,2,DNS_T_CNAME))
syntaxerror(": type CNAME prohibited");
if (byte_equal(type,2,DNS_T_PTR))
syntaxerror(": type PTR prohibited");
if (byte_equal(type,2,DNS_T_MX))
syntaxerror(": type MX prohibited");
txtparse(&f[2]);
rr_start(type,ttl,ttd,loc);
rr_add(f[2].s,f[2].len);
rr_finish(d1);
break;
default:
syntaxerror(": unrecognized leading character");
}
}
if (cdb_make_finish(&cdb) == -1) die_datatmp();
if (fsync(fdcdb) == -1) die_datatmp();
if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */
if (rename("data.tmp","data.cdb") == -1)
strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: ");
_exit(0);
}
int main()
{
char ip[4];
unsigned long u;
unsigned int j;
unsigned int k;
char ch;
umask(022);
fd = open_read("data");
if (fd == -1) strerr_die2sys(111,FATAL,"unable to open data: ");
buffer_init(&b,buffer_unixread,fd,bspace,sizeof bspace);
fdcdb = open_trunc("data.tmp");
if (fdcdb == -1) die_datatmp();
if (cdb_make_start(&cdb,fdcdb) == -1) die_datatmp();
while (match) {
++linenum;
if (getln(&b,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,"unable to read line: ");
while (line.len) {
ch = line.s[line.len - 1];
if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break;
--line.len;
}
if (!line.len) continue;
switch(line.s[0]) {
default:
syntaxerror(": unrecognized leading character");
case '#':
break;
case ':':
j = byte_chr(line.s + 1,line.len - 1,':');
if (j >= line.len - 1) syntaxerror(": missing colon");
if (ip4_scan(line.s + 1,ip) != j) syntaxerror(": malformed IP address");
if (!stralloc_copyb(&tmp,ip,4)) nomem();
if (!stralloc_catb(&tmp,line.s + j + 2,line.len - j - 2)) nomem();
if (cdb_make_add(&cdb,"",0,tmp.s,tmp.len) == -1)
die_datatmp();
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (!stralloc_0(&line)) nomem();
j = 0;
if (!stralloc_copys(&tmp,"")) nomem();
for (;;) {
k = scan_ulong(line.s + j,&u);
if (!k) break;
ch = u;
if (!stralloc_catb(&tmp,&ch,1)) nomem();
j += k;
if (line.s[j] != '.') break;
++j;
}
if (!stralloc_catb(&tmp,"\0\0\0\0",4)) nomem();
tmp.len = 4;
if (line.s[j] == '/')
scan_ulong(line.s + j + 1,&u);
else
u = 32;
if (u > 32) u = 32;
ch = u;
if (!stralloc_catb(&tmp,&ch,1)) nomem();
if (cdb_make_add(&cdb,tmp.s,tmp.len,"",0) == -1)
die_datatmp();
break;
}
}
if (cdb_make_finish(&cdb) == -1) die_datatmp();
if (fsync(fdcdb) == -1) die_datatmp();
if (close(fdcdb) == -1) die_datatmp(); /* NFS stupidity */
if (rename("data.tmp","data.cdb") == -1)
strerr_die2sys(111,FATAL,"unable to move data.tmp to data.cdb: ");
return 0;
}
void main()
{
int i;
int numcolons;
umask(033);
if (chdir(auto_qmail) == -1) die_chdir();
fd = open_read("users/assign");
if (fd == -1) die_opena();
substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
fdtemp = open_trunc("users/cdb.tmp");
if (fdtemp == -1) die_opent();
if (cdbmss_start(&cdbmss,fdtemp) == -1) die_writet();
if (!stralloc_copys(&wildchars,"")) die_nomem();
for (;;) {
if (getln(&ssin,&line,&match,'\n') != 0) die_reada();
if (line.len && (line.s[0] == '.')) break;
if (!match) die_format();
if (byte_chr(line.s,line.len,'\0') < line.len) die_format();
i = byte_chr(line.s,line.len,':');
if (i == line.len) die_format();
if (i == 0) die_format();
if (!stralloc_copys(&key,"!")) die_nomem();
if (line.s[0] == '+') {
if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
case_lowerb(key.s,key.len);
if (i >= 2)
if (byte_chr(wildchars.s,wildchars.len,line.s[i - 1]) == wildchars.len)
if (!stralloc_append(&wildchars,line.s + i - 1)) die_nomem();
}
else {
if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
if (!stralloc_0(&key)) die_nomem();
case_lowerb(key.s,key.len);
}
if (!stralloc_copyb(&data,line.s + i + 1,line.len - i - 1)) die_nomem();
numcolons = 0;
for (i = 0;i < data.len;++i)
if (data.s[i] == ':') {
data.s[i] = 0;
if (++numcolons == 6)
break;
}
if (numcolons < 6) die_format();
data.len = i;
if (cdbmss_add(&cdbmss,key.s,key.len,data.s,data.len) == -1) die_writet();
}
if (cdbmss_add(&cdbmss,"",0,wildchars.s,wildchars.len) == -1) die_writet();
if (cdbmss_finish(&cdbmss) == -1) die_writet();
if (fsync(fdtemp) == -1) die_writet();
if (close(fdtemp) == -1) die_writet(); /* NFS stupidity */
if (rename("users/cdb.tmp","users/cdb") == -1) die_rename();
_exit(0);
}
void restart(struct cyclog *d)
{
struct stat st;
int fd;
int flagprocessed;
if (fchdir(fdstartdir) == -1)
strerr_die2sys(111,FATAL,"unable to switch to starting directory: ");
mkdir(d->dir,0700);
d->fddir = open_read(d->dir);
if ((d->fddir == -1) || (fchdir(d->fddir) == -1))
strerr_die4sys(111,FATAL,"unable to open directory ",d->dir,": ");
coe(d->fddir);
d->fdlock = open_append("lock");
if ((d->fdlock == -1) || (lock_exnb(d->fdlock) == -1))
strerr_die4sys(111,FATAL,"unable to lock directory ",d->dir,": ");
coe(d->fdlock);
if (stat("current",&st) == -1) {
if (errno != error_noent)
strerr_die4sys(111,FATAL,"unable to stat ",d->dir,"/current: ");
}
else
if (st.st_mode & 0100) {
fd = open_append("current");
if (fd == -1)
strerr_die4sys(111,FATAL,"unable to append to ",d->dir,"/current: ");
if (fchmod(fd,0644) == -1)
strerr_die4sys(111,FATAL,"unable to set mode of ",d->dir,"/current: ");
coe(fd);
d->fdcurrent = fd;
d->bytes = st.st_size;
return;
}
unlink("state");
unlink("newstate");
flagprocessed = 0;
if (stat("processed",&st) == -1) {
if (errno != error_noent)
strerr_die4sys(111,FATAL,"unable to stat ",d->dir,"/processed: ");
}
else if (st.st_mode & 0100)
flagprocessed = 1;
if (flagprocessed) {
unlink("previous");
finish(d,"processed","s");
}
else {
unlink("processed");
finish(d,"previous","u");
}
finish(d,"current","u");
fd = open_trunc("state");
if (fd == -1)
strerr_die4sys(111,FATAL,"unable to write to ",d->dir,"/state: ");
close(fd);
fd = open_append("current");
if (fd == -1)
strerr_die4sys(111,FATAL,"unable to write to ",d->dir,"/current: ");
if (fchmod(fd,0644) == -1)
strerr_die4sys(111,FATAL,"unable to set mode of ",d->dir,"/current: ");
coe(fd);
d->fdcurrent = fd;
d->bytes = 0;
}
int
main (int argc, char *argv[])
{
char ch = 0;
struct stat st;
unsigned long ttl = 0;
unsigned i = 0, j = 0, k = 0;
prog = strdup ((d1 = strrchr (argv[0], '/')) != NULL ? d1 + 1 : argv[0]);
i = check_option (argc, argv);
argv += i;
argc -= i;
d1 = NULL;
if (argc < 6)
{
usage ();
return -1;
}
fn = *argv;
argv++;
fnnew = *argv;
argv++;
if (str_diff (*argv, "add"))
{
usage ();
return -1;
}
argv++;
if (str_equal (*argv, "ns"))
mode = '.';
else if (str_equal (*argv, "childns"))
mode = '&';
else if (str_equal (*argv, "host"))
mode = '=';
else if (str_equal (*argv, "alias"))
mode = '+';
else if (str_equal (*argv, "mx"))
mode = '@';
else
errx (-1, "invalid record type `%s'", *argv);
argv++;
if (!dns_domain_fromdot (&target, *argv, str_len (*argv)))
err (-1, "could not allocate enough memory");
argv++;
if (!ip4_scan (*argv, targetip))
errx (-1, "could not parse IP `%s'", *argv);
umask(077);
fd = open_read (fn);
if (fd == -1)
err (-1, "could not read from `%s'", fn);
if (fstat (fd, &st) == -1)
err (-1, "could not read from `%s'", fn);
buffer_init (&b, buffer_unixread, fd, bspace, sizeof bspace);
fdnew = open_trunc (fnnew);
if (fdnew == -1)
err (-1, "could not write to `%s'", fnnew);
if (fchmod (fdnew, st.st_mode & 0644) == -1)
err (-1, "could not write to `%s'", fnnew);
buffer_init (&bnew, buffer_unixwrite, fdnew, bnewspace, sizeof bnewspace);
switch (mode)
{
case '.':
case '&':
ttl = TTL_NS;
for (i = 0; i < 26; i++)
{
ch = 'a' + i;
if (!stralloc_copyb (&f[0], &ch, 1))
err (-1, "could not allocate enough memory");
if (!stralloc_cats (&f[0], ".ns."))
err (-1, "could not allocate enough memory");
if (!dns_domain_todot_cat (&f[0], target))
err (-1, "could not allocate enough memory");
if (!dns_domain_fromdot (&names[i], f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
}
break;
case '+':
case '=':
ttl = TTL_POSITIVE;
break;
case '@':
ttl = TTL_POSITIVE;
for (i = 0; i < 26; i++)
{
ch = 'a' + i;
if (!stralloc_copyb (&f[0], &ch, 1))
err (-1, "could not allocate enough memory");
if (!stralloc_cats (&f[0], ".mx."))
err (-1, "could not allocate enough memory");
if (!dns_domain_todot_cat (&f[0], target))
err (-1, "could not allocate enough memory");
if (!dns_domain_fromdot (&names[i], f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
}
break;
}
while (match)
{
if (getln (&b, &line, &match, '\n') == -1)
err (-1, "could not read from `%s'", fn);
put (line.s, line.len);
if (line.len && !match)
put ("\n", 1);
while (line.len)
{
ch = line.s[line.len - 1];
if ((ch != ' ') && (ch != '\t') && (ch != '\n'))
break;
--line.len;
}
if (!line.len || line.s[0] == '#')
continue;
j = 1;
for (i = 0; i < NUMFIELDS; i++)
{
if (j >= line.len)
{
if (!stralloc_copys (&f[i], ""))
err (-1, "could not allocate enough memory");
}
else
{
k = byte_chr (line.s + j, line.len - j, ':');
if (!stralloc_copyb (&f[i], line.s + j, k))
err (-1, "could not allocate enough memory");
j += k + 1;
}
}
switch(mode)
{
case '.':
case '&':
if (line.s[0] == mode)
{
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (dns_domain_equal (d1, target))
{
if (byte_chr (f[2].s, f[2].len, '.') >= f[2].len)
{
if (!stralloc_cats (&f[2], ".ns."))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[2], f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
}
if (!dns_domain_fromdot (&d2, f[2].s, f[2].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[3]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[3].s, &ttl))
ttl = TTL_NS;
for (i = 0; i < 26; i++)
{
if (dns_domain_equal (d2, names[i]))
{
used[i] = 1;
break;
}
}
}
}
break;
case '=':
if (line.s[0] == '=')
{
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (dns_domain_equal (d1, target))
errx (-1, "host name is already used");
if (!stralloc_0 (&f[1]))
err (-1, "could not allocate enough memory");
if (ip4_scan (f[1].s, ip))
if (byte_equal(ip, 4, targetip))
errx (-1, "IP address is already used");
}
break;
case '@':
if (line.s[0] == '@')
{
if (!dns_domain_fromdot (&d1, f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
if (dns_domain_equal (d1, target))
{
if (byte_chr (f[2].s, f[2].len, '.') >= f[2].len)
{
if (!stralloc_cats (&f[2], ".mx."))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[2], f[0].s, f[0].len))
err (-1, "could not allocate enough memory");
}
if (!dns_domain_fromdot (&d2, f[2].s, f[2].len))
err (-1, "could not allocate enough memory");
if (!stralloc_0 (&f[4]))
err (-1, "could not allocate enough memory");
if (!scan_ulong (f[4].s, &ttl))
ttl = TTL_POSITIVE;
for (i = 0; i < 26; i++)
{
if (dns_domain_equal (d2, names[i]))
{
used[i] = 1;
break;
}
}
}
}
break;
}
}
if (!stralloc_copyb (&f[0], &mode, 1))
err (-1, "could not allocate enough memory");
if (!dns_domain_todot_cat (&f[0], target))
err (-1, "could not allocate enough memory");
if (!stralloc_cats (&f[0], ":"))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[0], ipstr, ip4_fmt (ipstr, targetip)))
err (-1, "could not allocate enough memory");
switch (mode)
{
case '.':
case '&':
case '@':
for (i = 0; i < 26; i++)
{
if (!used[i])
break;
}
if (i >= 26)
errx (-1, "too many records for domain `%s'", target);
ch = 'a' + i;
if (!stralloc_cats (&f[0], ":"))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[0], &ch, 1))
err (-1, "could not allocate enough memory");
if (mode == '@')
if (!stralloc_cats (&f[0], ":"))
err (-1, "could not allocate enough memory");
break;
}
if (!stralloc_cats (&f[0], ":"))
err (-1, "could not allocate enough memory");
if (!stralloc_catb (&f[0], strnum, fmt_ulong (strnum, ttl)))
err (-1, "could not allocate enough memory");
if (!stralloc_cats (&f[0], "\n"))
err (-1, "could not allocate enough memory");
put (f[0].s, f[0].len);
if (buffer_flush (&bnew) == -1)
err (-1, "could not write to `%s'", fnnew);
if (fsync (fdnew) == -1)
err (-1, "could not write to `%s'", fnnew);
if (close (fdnew) == -1)
err (-1, "could not write to `%s'", fnnew); /* NFS dorks */
if (rename (fnnew, fn) == -1)
err (-1, "could not move `%s' to `%s'", fnnew, fn);
return 0;
}
int
main(int argc, char* argv[]) {
stralloc dir = {0, 0, 0};
int c;
int digit_optind = 0;
const char* rel_to = 0;
int index = 0;
static const struct longopt opts[] =
{ {"help", 0, 0, 'h'},
{"list", 0, &opt_list, 1},
{"numeric", 0, &opt_numeric, 1},
{"relative", 0, &opt_relative, 1},
{"output", 1, 0, 'o'},
{"exclude", 1, 0, 'x'},
{"time-style", 1, 0, 't'},
{"dereference", 0, &opt_deref, 1},
{"min-size", 1, 0, 'm'},
#if WINDOWS
{"separator", 1, 0, 's'},
#endif
{0} };
#if WINDOWS && defined(O_BINARY)
setmode(STDOUT_FILENO, O_BINARY);
#endif
for(;;) {
c = getopt_long(argc, argv, "hlnro:x:t:m:", opts, &index);
if(c == -1)
break;
if(c == 0)
continue;
switch(c) {
case 'h': usage(argv[0]); return 0;
case 'x': {
char* s = optarg;
array_catb(&exclude_masks, (void*)&s, sizeof(char*));
break;
}
case 'o': {
buffer_1->fd = io_err_check(open_trunc(optarg));
break;
}
case 't': {
opt_timestyle = optarg;
break;
}
case 's': {
opt_separator = optarg[0];
break;
}
case 'l': opt_list = 1; break;
case 'L': opt_deref = 1; break;
case 'n': opt_numeric = 1; break;
case 'r': opt_relative = 1; break;
case 'm': scan_ulong(optarg, &opt_minsize); break;
default: usage(argv[0]); return 1;
}
}
/*
while(optind < argc) {
if(!str_diff(argv[optind], "-l") || !str_diff(argv[optind], "--list")) {
opt_list = 1;
} else if(!str_diff(argv[optind], "-n") || !str_diff(argv[optind], "--numeric")) {
opt_numeric = 1;
} else if(!str_diff(argv[optind], "-r") || !str_diff(argv[optind], "--relative")) {
relative = 1;
} else if(!str_diff(argv[optind], "-o") || !str_diff(argv[optind], "--output")) {
buffer_1->fd = io_err_check(open_trunc(argv[optind + 1]));
++optind;
} else if(!str_diff(argv[optind], "--relative")) {
relative = 1;
} else if(!str_diff(argv[optind], "-t") || !str_diff(argv[optind], "--time-style")) {
optind++;
opt_timestyle = argv[optind];
} else {
break;
}
optind++;
}
*/
array_catb(&exclude_masks, "\0\0\0\0\0\0\0\0", sizeof(char**));
print_strarray(buffer_2, &exclude_masks);
if(optind < argc) {
while(optind < argc) {
if(opt_relative)
opt_relative_to = argv[optind];
stralloc_copys(&dir, argv[optind]);
list_dir_internal(&dir, 0);
optind++;
}
} else {
stralloc_copys(&dir, ".");
list_dir_internal(&dir, 0);
}
return 0;
}
int main(int argc,char **argv)
{
unsigned long ttl;
struct stat st;
int i;
int j;
int k;
char ch;
if (!*argv) die_usage();
if (!*++argv) die_usage();
fn = *argv;
if (!*++argv) die_usage();
fnnew = *argv;
if (!*++argv) die_usage();
if (str_diff(*argv,"add")) die_usage();
if (!*++argv) die_usage();
if (str_equal(*argv,"ns")) mode = '.';
else if (str_equal(*argv,"childns")) mode = '&';
else if (str_equal(*argv,"host")) mode = '=';
else if (str_equal(*argv,"host6")) mode = '6';
else if (str_equal(*argv,"alias")) mode = '+';
else if (str_equal(*argv,"alias6")) mode = '3';
else if (str_equal(*argv,"mx")) mode = '@';
else die_usage();
if (!*++argv) die_usage();
if (!dns_domain_fromdot(&target,*argv,str_len(*argv))) nomem();
if (!*++argv) die_usage();
if (mode == '6' || mode == '3') {
if (!ip6_scan(*argv,targetip6)) die_usage();
} else {
if (!ip4_scan(*argv,targetip)) die_usage();
}
umask(077);
fd = open_read(fn);
if (fd == -1) die_read();
if (fstat(fd,&st) == -1) die_read();
buffer_init(&b,buffer_unixread,fd,bspace,sizeof bspace);
fdnew = open_trunc(fnnew);
if (fdnew == -1) die_write();
if (fchmod(fdnew,st.st_mode & 0644) == -1) die_write();
buffer_init(&bnew,buffer_unixwrite,fdnew,bnewspace,sizeof bnewspace);
switch(mode) {
case '.': case '&':
ttl = TTL_NS;
for (i = 0;i < 26;++i) {
ch = 'a' + i;
if (!stralloc_copyb(&f[0],&ch,1)) nomem();
if (!stralloc_cats(&f[0],".ns.")) nomem();
if (!dns_domain_todot_cat(&f[0],target)) nomem();
if (!dns_domain_fromdot(&names[i],f[0].s,f[0].len)) nomem();
}
break;
case '+': case '=': case '6': case '3':
ttl = TTL_POSITIVE;
break;
case '@':
ttl = TTL_POSITIVE;
for (i = 0;i < 26;++i) {
ch = 'a' + i;
if (!stralloc_copyb(&f[0],&ch,1)) nomem();
if (!stralloc_cats(&f[0],".mx.")) nomem();
if (!dns_domain_todot_cat(&f[0],target)) nomem();
if (!dns_domain_fromdot(&names[i],f[0].s,f[0].len)) nomem();
}
break;
}
while (match) {
if (getln(&b,&line,&match,'\n') == -1) die_read();
put(line.s,line.len);
if (line.len && !match) put("\n",1);
while (line.len) {
ch = line.s[line.len - 1];
if ((ch != ' ') && (ch != '\t') && (ch != '\n')) break;
--line.len;
}
if (!line.len) continue;
if (line.s[0] == '#') continue;
j = 1;
for (i = 0;i < NUMFIELDS;++i) {
if (j >= line.len) {
if (!stralloc_copys(&f[i],"")) nomem();
}
else {
k = byte_chr(line.s + j,line.len - j,':');
if (!stralloc_copyb(&f[i],line.s + j,k)) nomem();
j += k + 1;
}
}
switch(mode) {
case '.': case '&':
if (line.s[0] == mode) {
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (dns_domain_equal(d1,target)) {
if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) {
if (!stralloc_cats(&f[2],".ns.")) nomem();
if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem();
}
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
if (!stralloc_0(&f[3])) nomem();
if (!scan_ulong(f[3].s,&ttl)) ttl = TTL_NS;
for (i = 0;i < 26;++i)
if (dns_domain_equal(d2,names[i])) {
used[i] = 1;
break;
}
}
}
break;
case '=':
if (line.s[0] == '=') {
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (dns_domain_equal(d1,target))
strerr_die2x(100,FATAL,"host name already used");
if (!stralloc_0(&f[1])) nomem();
if (ip4_scan(f[1].s,ip))
if (byte_equal(ip,4,targetip))
strerr_die2x(100,FATAL,"IP address already used");
}
break;
case '6':
if (line.s[0] == '6') {
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (dns_domain_equal(d1,target))
strerr_die2x(100,FATAL,"host name already used");
if (!stralloc_0(&f[1])) nomem();
if (ip6_scan(f[1].s,ip6))
if (byte_equal(ip,16,targetip6))
strerr_die2x(100,FATAL,"IPv6 address already used");
}
break;
case '@':
if (line.s[0] == '@') {
if (!dns_domain_fromdot(&d1,f[0].s,f[0].len)) nomem();
if (dns_domain_equal(d1,target)) {
if (byte_chr(f[2].s,f[2].len,'.') >= f[2].len) {
if (!stralloc_cats(&f[2],".mx.")) nomem();
if (!stralloc_catb(&f[2],f[0].s,f[0].len)) nomem();
}
if (!dns_domain_fromdot(&d2,f[2].s,f[2].len)) nomem();
if (!stralloc_0(&f[4])) nomem();
if (!scan_ulong(f[4].s,&ttl)) ttl = TTL_POSITIVE;
for (i = 0;i < 26;++i)
if (dns_domain_equal(d2,names[i])) {
used[i] = 1;
break;
}
}
}
break;
}
}
if (!stralloc_copyb(&f[0],&mode,1)) nomem();
if (!dns_domain_todot_cat(&f[0],target)) nomem();
if (!stralloc_cats(&f[0],":")) nomem();
if (mode == '6' || mode == '3') {
if (!stralloc_catb(&f[0],ip6str,ip6_fmt_flat(ip6str,targetip6))) nomem();
} else {
if (!stralloc_catb(&f[0],ipstr,ip4_fmt(ipstr,targetip))) nomem();
}
switch(mode) {
case '.': case '&': case '@':
for (i = 0;i < 26;++i)
if (!used[i])
break;
if (i >= 26)
strerr_die2x(100,FATAL,"too many records for that domain");
ch = 'a' + i;
if (!stralloc_cats(&f[0],":")) nomem();
if (!stralloc_catb(&f[0],&ch,1)) nomem();
if (mode == '@')
if (!stralloc_cats(&f[0],":")) nomem();
break;
}
if (!stralloc_cats(&f[0],":")) nomem();
if (!stralloc_catb(&f[0],strnum,fmt_ulong(strnum,ttl))) nomem();
if (!stralloc_cats(&f[0],"\n")) nomem();
put(f[0].s,f[0].len);
if (buffer_flush(&bnew) == -1) die_write();
if (fsync(fdnew) == -1) die_write();
if (close(fdnew) == -1) die_write(); /* NFS dorks */
if (rename(fnnew,fn) == -1)
strerr_die6sys(111,FATAL,"unable to move ",fnnew," to ",fn,": ");
_exit(0);
}
