#include "stralloc.h"#include "subfd.h"#include "getln.h"#include "substdio.h"#include "cdbmss.h"#include "exit.h"#include "readwrite.h"#include "open.h"#include "error.h"#include "case.h"#include "auto_qmail.h"void die_temp() { _exit(111); }void die_chdir(){  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to chdir\n");  die_temp();}void die_nomem(){  substdio_putsflush(subfderr,"qmail-newu: fatal: out of memory\n");  die_temp();}void die_opena(){  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/assign\n");  die_temp();}void die_reada(){  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to read users/assign\n");  die_temp();}void die_format(){  substdio_putsflush(subfderr,"qmail-newu: fatal: bad format in users/assign\n");  die_temp();}void die_opent(){  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/cdb.tmp\n");  die_temp();}void die_writet(){  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to write users/cdb.tmp\n");  die_temp();}void die_rename(){  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to move users/cdb.tmp to users/cdb\n");  die_temp();}struct cdbmss cdbmss;stralloc key = {0};stralloc data = {0};char inbuf[1024];substdio ssin;int fd;int fdtemp;stralloc line = {0};int match;stralloc wildchars = {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);}