//顯示當前的qmail系統配置情況

#include <sys/types.h>#include <sys/stat.h>#include "substdio.h"#include "subfd.h"#include "exit.h"#include "fmt.h"#include "str.h"#include "control.h"#include "constmap.h"#include "stralloc.h"#include "direntry.h"#include "auto_uids.h"#include "auto_qmail.h"#include "auto_break.h"#include "auto_patrn.h"#include "auto_spawn.h"#include "auto_split.h"stralloc me = {0};int meok;stralloc line = {0};char num[FMT_ULONG];void safeput(buf,len)char *buf;unsigned int len;{  char ch;  while (len > 0) {    ch = *buf;    if ((ch < 32) || (ch > 126)) ch = '?';    substdio_put(subfdout,&ch,1);    ++buf;    --len;  }}void do_int(fn,def,pre,post)char *fn;char *def;char *pre;char *post;{  int i;  substdio_puts(subfdout,"\n");  substdio_puts(subfdout,fn);  substdio_puts(subfdout,": ");  switch(control_readint(&i,fn)) {    case 0:      substdio_puts(subfdout,"(Default.) ");      substdio_puts(subfdout,pre);      substdio_puts(subfdout,def);      substdio_puts(subfdout,post);      substdio_puts(subfdout,".\n");      break;    case 1:      if (i < 0) i = 0;      substdio_puts(subfdout,pre);      substdio_put(subfdout,num,fmt_uint(num,i));      substdio_puts(subfdout,post);      substdio_puts(subfdout,".\n");      break;    default:      substdio_puts(subfdout,"Oops! Trouble reading this file.\n");      break;  }}void do_str(fn,flagme,def,pre)char *fn;int flagme;char *def;char *pre;{  substdio_puts(subfdout,"\n");  substdio_puts(subfdout,fn);  substdio_puts(subfdout,": ");  switch(control_readline(&line,fn)) {    case 0:      substdio_puts(subfdout,"(Default.) ");      if (!stralloc_copys(&line,def)) {	substdio_puts(subfdout,"Oops! Out of memory.\n");	break;      }      if (flagme && meok)	if (!stralloc_copy(&line,&me)) {	  substdio_puts(subfdout,"Oops! Out of memory.\n");	  break;	}    case 1:      substdio_puts(subfdout,pre);      safeput(line.s,line.len);      substdio_puts(subfdout,".\n");      break;    default:      substdio_puts(subfdout,"Oops! Trouble reading this file.\n");      break;  }}int do_lst(fn,def,pre,post)char *fn;char *def;char *pre;char *post;{  int i;  int j;  substdio_puts(subfdout,"\n");  substdio_puts(subfdout,fn);  substdio_puts(subfdout,": ");  switch(control_readfile(&line,fn)) {    case 0:      substdio_puts(subfdout,"(Default.) ");      substdio_puts(subfdout,def);      substdio_puts(subfdout,"\n");      return 0;    case 1:      substdio_puts(subfdout,"\n");      i = 0;      for (j = 0;j < line.len;++j)	if (!line.s[j]) {          substdio_puts(subfdout,pre);          safeput(line.s + i,j - i);          substdio_puts(subfdout,post);          substdio_puts(subfdout,"\n");	  i = j + 1;	}      return 1;    default:      substdio_puts(subfdout,"Oops! Trouble reading this file.\n");      return -1;  }}void main(){  DIR *dir;  direntry *d;  struct stat stmrh;  struct stat stmrhcdb;  substdio_puts(subfdout,"qmail home directory: ");  substdio_puts(subfdout,auto_qmail);  substdio_puts(subfdout,".\n");  substdio_puts(subfdout,"user-ext delimiter: ");  substdio_puts(subfdout,auto_break);  substdio_puts(subfdout,".\n");  substdio_puts(subfdout,"paternalism (in decimal): ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_patrn));  substdio_puts(subfdout,".\n");  substdio_puts(subfdout,"silent concurrency limit: ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_spawn));  substdio_puts(subfdout,".\n");  substdio_puts(subfdout,"subdirectory split: ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_split));  substdio_puts(subfdout,".\n");  substdio_puts(subfdout,"user ids: ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uida));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uidd));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uidl));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uido));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uidp));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uidq));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uidr));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_uids));  substdio_puts(subfdout,".\n");  substdio_puts(subfdout,"group ids: ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_gidn));  substdio_puts(subfdout,", ");  substdio_put(subfdout,num,fmt_ulong(num,(unsigned long) auto_gidq));  substdio_puts(subfdout,".\n");  if (chdir(auto_qmail) == -1) {    substdio_puts(subfdout,"Oops! Unable to chdir to ");    substdio_puts(subfdout,auto_qmail);    substdio_puts(subfdout,".\n");    substdio_flush(subfdout);    _exit(111);  }  if (chdir("control") == -1) {    substdio_puts(subfdout,"Oops! Unable to chdir to control.\n");    substdio_flush(subfdout);    _exit(111);  }  dir = opendir(".");  if (!dir) {    substdio_puts(subfdout,"Oops! Unable to open current directory.\n");    substdio_flush(subfdout);    _exit(111);  }  meok = control_readline(&me,"me");  if (meok == -1) {    substdio_puts(subfdout,"Oops! Trouble reading control/me.");    substdio_flush(subfdout);    _exit(111);  }  do_lst("badmailfrom","Any MAIL FROM is allowed.",""," not accepted in MAIL FROM.");  do_str("bouncefrom",0,"MAILER-DAEMON","Bounce user name is ");  do_str("bouncehost",1,"bouncehost","Bounce host name is ");  do_int("concurrencylocal","10","Local concurrency is ","");  do_int("concurrencyremote","20","Remote concurrency is ","");  do_int("databytes","0","SMTP DATA limit is "," bytes");  do_str("defaultdomain",1,"defaultdomain","Default domain name is ");  do_str("defaulthost",1,"defaulthost","Default host name is ");  do_str("doublebouncehost",1,"doublebouncehost","2B recipient host: ");  do_str("doublebounceto",0,"postmaster","2B recipient user: ");  do_str("envnoathost",1,"envnoathost","Presumed domain name is ");  do_str("helohost",1,"helohost","SMTP client HELO host name is ");  do_str("idhost",1,"idhost","Message-ID host name is ");  do_str("localiphost",1,"localiphost","Local IP address becomes ");  do_lst("locals","Messages for me are delivered locally.","Messages for "," are delivered locally.");  do_str("me",0,"undefined! Uh-oh","My name is ");  do_lst("percenthack","The percent hack is not allowed.","The percent hack is allowed for user%host@",".");  do_str("plusdomain",1,"plusdomain","Plus domain name is ");  do_lst("qmqpservers","No QMQP servers.","QMQP server: ",".");  do_int("queuelifetime","604800","Message lifetime in the queue is "," seconds");  if (do_lst("rcpthosts","SMTP clients may send messages to any recipient.","SMTP clients may send messages to recipients at ","."))    do_lst("morercpthosts","No effect.","SMTP clients may send messages to recipients at ",".");  else    do_lst("morercpthosts","No rcpthosts; morercpthosts is irrelevant.","No rcpthosts; doesn't matter that morercpthosts has ",".");  /* XXX: check morercpthosts.cdb contents */  substdio_puts(subfdout,"\nmorercpthosts.cdb: ");  if (stat("morercpthosts",&stmrh) == -1)    if (stat("morercpthosts.cdb",&stmrhcdb) == -1)      substdio_puts(subfdout,"(Default.) No effect.\n");    else      substdio_puts(subfdout,"Oops! morercpthosts.cdb exists but morercpthosts doesn't.\n");  else    if (stat("morercpthosts.cdb",&stmrhcdb) == -1)      substdio_puts(subfdout,"Oops! morercpthosts exists but morercpthosts.cdb doesn't.\n");    else      if (stmrh.st_mtime > stmrhcdb.st_mtime)        substdio_puts(subfdout,"Oops! morercpthosts.cdb is older than morercpthosts.\n");      else        substdio_puts(subfdout,"Modified recently enough; hopefully up to date.\n");  do_str("smtpgreeting",1,"smtpgreeting","SMTP greeting: 220 ");  do_lst("smtproutes","No artificial SMTP routes.","SMTP route: ","");  do_int("timeoutconnect","60","SMTP client connection timeout is "," seconds");  do_int("timeoutremote","1200","SMTP client data timeout is "," seconds");  do_int("timeoutsmtpd","1200","SMTP server data timeout is "," seconds");  do_lst("virtualdomains","No virtual domains.","Virtual domain: ","");  while (d = readdir(dir)) {    if (str_equal(d->d_name,".")) continue;    if (str_equal(d->d_name,"..")) continue;    if (str_equal(d->d_name,"bouncefrom")) continue;    if (str_equal(d->d_name,"bouncehost")) continue;    if (str_equal(d->d_name,"badmailfrom")) continue;    if (str_equal(d->d_name,"bouncefrom")) continue;    if (str_equal(d->d_name,"bouncehost")) continue;    if (str_equal(d->d_name,"concurrencylocal")) continue;    if (str_equal(d->d_name,"concurrencyremote")) continue;    if (str_equal(d->d_name,"databytes")) continue;    if (str_equal(d->d_name,"defaultdomain")) continue;    if (str_equal(d->d_name,"defaulthost")) continue;    if (str_equal(d->d_name,"doublebouncehost")) continue;    if (str_equal(d->d_name,"doublebounceto")) continue;    if (str_equal(d->d_name,"envnoathost")) continue;    if (str_equal(d->d_name,"helohost")) continue;    if (str_equal(d->d_name,"idhost")) continue;    if (str_equal(d->d_name,"localiphost")) continue;    if (str_equal(d->d_name,"locals")) continue;    if (str_equal(d->d_name,"me")) continue;    if (str_equal(d->d_name,"morercpthosts")) continue;    if (str_equal(d->d_name,"morercpthosts.cdb")) continue;    if (str_equal(d->d_name,"percenthack")) continue;    if (str_equal(d->d_name,"plusdomain")) continue;    if (str_equal(d->d_name,"qmqpservers")) continue;    if (str_equal(d->d_name,"queuelifetime")) continue;    if (str_equal(d->d_name,"rcpthosts")) continue;    if (str_equal(d->d_name,"smtpgreeting")) continue;    if (str_equal(d->d_name,"smtproutes")) continue;    if (str_equal(d->d_name,"timeoutconnect")) continue;    if (str_equal(d->d_name,"timeoutremote")) continue;    if (str_equal(d->d_name,"timeoutsmtpd")) continue;    if (str_equal(d->d_name,"virtualdomains")) continue;    substdio_puts(subfdout,"\n");    substdio_puts(subfdout,d->d_name);    substdio_puts(subfdout,": I have no idea what this file does.\n");  }  substdio_flush(subfdout);  _exit(0);}