fix PRESENT query formatter and allow ldapclient to query for PRESENT

Makefile

@@ -1,4 +1,4 @@
-#DEBUG=1
+DEBUG=1
 
 all: t1 t2 parse dumpidx idx2ldif addindex bindrequest tinyldap \
 tinyldap_standalone tinyldap_debug ldapclient ldapclient_str \

fmt_ldapsearchfilter.c

@@ -47,7 +47,8 @@ int fmt_ldapsearchfilter(char* dest,struct Filter* f) {
     }
     break;
   case PRESENT:
-    sum=fmt_ldapstring(dest,&f->ava.desc);
+//    sum=fmt_ldapstring(dest,&f->ava.desc);
+    return fmt_asn1string(dest,PRIVATE,PRIMITIVE,f->type,f->ava.desc.s,f->ava.desc.l);
     break;
   default: return 0;
   }

ldapclient.c

@@ -66,6 +66,7 @@ usage:
     f.ava.desc.s=argv[3]; f.ava.desc.l=str_chr(argv[3],'=');
     if (argv[3][f.ava.desc.l] != '=') goto usage;
     f.ava.value.s=argv[3]+f.ava.desc.l+1; f.ava.value.l=strlen(f.ava.value.s);
+    if (f.ava.value.l==1 && f.ava.value.s[0]=='*') f.type=PRESENT;
     f.a=0;
     i=4; /* This should be the first index to an attribute argument in argv[] */
     adl.a.s=argv[i];