1 files changed, 306 insertions, 0 deletions

diff --git a/qmail-showctl.c b/qmail-showctl.c
new file mode 100644
index 0000000..a24aa63
--- /dev/null
+++ b/qmail-showctl.c
@@ -0,0 +1,306 @@
+#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);
+}