X-Git-Url: https://git.exim.org/users/heiko/exim.git/blobdiff_plain/5f3d09836c17cb80a1953196c98371ed70396903..80591636e0439c7bc83b1fb322fd110b397f4217:/test/src/fakens.c?ds=sidebyside

diff --git a/test/src/fakens.c b/test/src/fakens.c
index 33bfe4f3e..aff5f40f6 100644
--- a/test/src/fakens.c
+++ b/test/src/fakens.c
@@ -51,11 +51,17 @@ and the domain is not found. It converts the the result to PASS_ON instead of
 HOST_NOT_FOUND.
 
 Any DNS record line in a zone file can be prefixed with "DELAY=" and
-a number of milliseconds (followed by whitespace).
+a number of milliseconds (followed by one space).
 
-Any DNS record line in a zone file can be prefixed with "DNSSEC" and
-at least one space; if all the records found by a lookup are marked
-as such then the response will have the "AD" bit set. */
+Any DNS record line in a zone file can be prefixed with "DNSSEC ";
+if all the records found by a lookup are marked
+as such then the response will have the "AD" bit set. 
+
+Any DNS record line in a zone file can be prefixed with "AA "
+if all the records found by a lookup are marked
+as such then the response will have the "AA" bit set.
+
+*/
 
 #include <ctype.h>
 #include <stdarg.h>
@@ -292,6 +298,8 @@ Arguments:
   qtypelen    the length of qtype
   pkptr       points to the output buffer pointer; this is updated
   countptr    points to the record count; this is updated
+  dnssec      points to the AD flag indicator; this updated
+  aa	      points to the AA flag indicator; this updated
 
 Returns:      0 on success, else HOST_NOT_FOUND or NO_DATA or NO_RECOVERY or
               PASS_ON - the latter if a "PASS ON NOT FOUND" line is seen
@@ -299,7 +307,7 @@ Returns:      0 on success, else HOST_NOT_FOUND or NO_DATA or NO_RECOVERY or
 
 static int
 find_records(FILE *f, uschar *zone, uschar *domain, uschar *qtype,
-  int qtypelen, uschar **pkptr, int *countptr, BOOL * dnssec)
+  int qtypelen, uschar **pkptr, int *countptr, BOOL * dnssec, BOOL * aa)
 {
 int yield = HOST_NOT_FOUND;
 int domainlen = Ustrlen(domain);
@@ -324,6 +332,7 @@ rrdomain[0] = 0;                 /* No previous domain */
 (void)fseek(f, 0, SEEK_SET);     /* Start again at the beginning */
 
 *dnssec = TRUE;			/* cancelled by first nonsecure rec found */ 
+*aa = TRUE;			/* cancelled by first non-authoritive record */
 
 /* Scan for RRs */
 
@@ -336,6 +345,7 @@ while (fgets(CS buffer, sizeof(buffer), f) != NULL)
   int tvalue = typeptr->value;
   int qtlen = qtypelen;
   BOOL rr_sec = FALSE;
+  BOOL rr_aa = FALSE;
   int delay = 0;
 
   p = buffer;
@@ -354,23 +364,27 @@ while (fgets(CS buffer, sizeof(buffer), f) != NULL)
 
   p = buffer;
   for (;;)
-	{
-	if (Ustrncmp(p, US"DNSSEC ", 7) == 0)	/* tagged as secure */
-	  {
-	  rr_sec = TRUE;
-	  p += 7;
-	  }
-	else if (Ustrncmp(p, US"DELAY=", 6) == 0)	/* delay beforee response */
-	  {
-	  for (p += 6; *p >= '0' && *p <= '9'; p++)
-		delay = delay*10 + *p - '0';
-	  while (isspace(*p)) p++;
-	  }
-	else
-	  break;
-	}
+    {
+    if (Ustrncmp(p, US"DNSSEC ", 7) == 0)	/* tagged as secure */
+      {
+      rr_sec = TRUE;
+      p += 7;
+      }
+    else if (Ustrncmp(p, US"AA ", 3) == 0)	/* tagged as authoritive */
+      {
+      rr_aa = TRUE;
+      p += 3;
+      }
+    else if (Ustrncmp(p, US"DELAY=", 6) == 0)	/* delay before response */
+      {
+      for (p += 6; *p >= '0' && *p <= '9'; p++) delay = delay*10 + *p - '0';
+      if (isspace(*p)) p++;
+      }
+    else
+      break;
+    }
 
-  if (!isspace(*p))
+  if (!isspace(*p))     /* new domain name */
     {
     uschar *pp = rrdomain;
     uschar *PP = RRdomain;
@@ -389,7 +403,7 @@ while (fgets(CS buffer, sizeof(buffer), f) != NULL)
       pp[-1] = 0;
       PP[-1] = 0;
       }
-    }
+    }                   /* else use previous line's domain name */
 
   /* Compare domain names; first check for a wildcard */
 
@@ -428,6 +442,9 @@ while (fgets(CS buffer, sizeof(buffer), f) != NULL)
   if (!rr_sec)
     *dnssec = FALSE;			/* cancel AD return */
 
+  if (!rr_aa)
+    *aa = FALSE;			/* cancel AA return */
+
   yield = 0;
   *countptr = *countptr + 1;
 
@@ -566,6 +583,55 @@ alarmfn(int sig)
 {
 }
 
+
+/*************************************************
+*     Special-purpose domains                    *
+*************************************************/
+
+static int
+special_manyhome(uschar * packet, uschar * domain)
+{
+uschar *pk = packet + 12;
+uschar *rdlptr;
+int i, j;
+
+memset(packet, 0, 12);
+
+for (i = 104; i <= 111; i++) for (j = 0; j <= 255; j++)
+  {
+  pk = packname(domain, pk);
+  *pk++ = (ns_t_a >> 8) & 255;
+  *pk++ = (ns_t_a) & 255;
+  *pk++ = 0;
+  *pk++ = 1;     /* class = IN */
+  pk += 4;       /* TTL field; don't care */
+  rdlptr = pk;   /* remember rdlength field */
+  pk += 2;
+
+  *pk++ = 10; *pk++ = 250; *pk++ = i; *pk++ = j;
+
+  rdlptr[0] = ((pk - rdlptr - 2) >> 8) & 255;
+  rdlptr[1] = (pk - rdlptr - 2) & 255;
+  }
+
+packet[6] = (2048 >> 8) & 255;
+packet[7] = 2048 & 255;
+packet[10] = 0;
+packet[11] = 0;
+
+(void)fwrite(packet, 1, pk - packet, stdout);
+return 0;
+}
+
+static int
+special_again(uschar * packet, uschar * domain)
+{
+int delay = atoi(CCS domain);  /* digits at the start of the name */
+if (delay > 0) sleep(delay);
+return TRY_AGAIN;
+}
+
+
 /*************************************************
 *           Entry point and main program         *
 *************************************************/
@@ -587,9 +653,10 @@ uschar *zonefile = NULL;
 uschar domain[256];
 uschar buffer[256];
 uschar qtype[12];
-uschar packet[512];
+uschar packet[2048 * 32 + 32];
 uschar *pk = packet;
 BOOL dnssec;
+BOOL aa;
 
 signal(SIGALRM, alarmfn);
 
@@ -636,7 +703,8 @@ Ustrncpy(qtype, argv[3], sizeof(qtype));
 qtypelen = Ustrlen(qtype);
 for (p = qtype; *p != 0; p++) *p = toupper(*p);
 
-/* Find the domain, lower case it, check that it is in a zone that we handle,
+/* Find the domain, lower case it, deal with any specials,
+check that it is in a zone that we handle,
 and set up the zone file name. The zone names in the table all start with a
 dot. */
 
@@ -646,6 +714,14 @@ Ustrncpy(domain, argv[2], domlen);
 domain[domlen] = 0;
 for (i = 0; i < domlen; i++) domain[i] = tolower(domain[i]);
 
+if (Ustrcmp(domain, "manyhome.test.ex") == 0 && Ustrcmp(qtype, "A") == 0)
+  return special_manyhome(packet, domain);
+else if (domlen >= 14 && Ustrcmp(domain + domlen - 14, "test.again.dns") == 0)
+  return special_again(packet, domain);
+else if (domlen >= 13 && Ustrcmp(domain + domlen - 13, "test.fail.dns") == 0)
+  return NO_RECOVERY;
+
+
 if (Ustrchr(domain, '.') == NULL && qualify != NULL &&
     Ustrcmp(domain, "dontqualify") != 0)
   {
@@ -693,7 +769,7 @@ if (f == NULL)
 /* Find the records we want, and add them to the result. */
 
 count = 0;
-yield = find_records(f, zone, domain, qtype, qtypelen, &pk, &count, &dnssec);
+yield = find_records(f, zone, domain, qtype, qtypelen, &pk, &count, &dnssec, &aa);
 if (yield == NO_RECOVERY) goto END_OFF;
 
 packet[6] = (count >> 8) & 255;
@@ -708,6 +784,9 @@ packet[11] = 0;
 if (dnssec)
   ((HEADER *)packet)->ad = 1;
 
+if (aa)
+  ((HEADER *)packet)->aa = 1;
+
 /* Close the zone file, write the result, and return. */
 
 END_OFF:
@@ -716,6 +795,6 @@ END_OFF:
 return yield;
 }
 
-/* vi: aw ai sw=2
+/* vi: aw ai sw=2 sts=2 ts=8 et
 */
 /* End of fakens.c */