[tor-commits] [tor/master] hs: Use v3 maximum intro points value when decoding v3

[nickm@xxxxxxxxxxxxxx]

commit 74193b932115a82417dc312721ffe0a10a7ed6dc
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Wed May 10 09:37:41 2017 -0400

    hs: Use v3 maximum intro points value when decoding v3
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 src/or/hs_config.h     | 3 +++
 src/or/hs_descriptor.c | 6 ++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/or/hs_config.h b/src/or/hs_config.h
index 08072d1..f420791 100644
--- a/src/or/hs_config.h
+++ b/src/or/hs_config.h
@@ -11,6 +11,9 @@
 
 #include "or.h"
 
+/* Maximum number of intro points per version 3 services. */
+#define HS_CONFIG_V3_MAX_INTRO_POINTS 20
+
 /* API */
 
 int hs_config_service_all(const or_options_t *options, int validate_only);
diff --git a/src/or/hs_descriptor.c b/src/or/hs_descriptor.c
index b55f966..2393eac 100644
--- a/src/or/hs_descriptor.c
+++ b/src/or/hs_descriptor.c
@@ -62,6 +62,7 @@
 #include "parsecommon.h"
 #include "rendcache.h"
 #include "hs_cache.h"
+#include "hs_config.h"
 #include "torcert.h" /* tor_cert_encode_ed22519() */
 
 /* Constant string value used for the descriptor format. */
@@ -2035,10 +2036,11 @@ desc_decode_encrypted_v3(const hs_descriptor_t *desc,
   decode_intro_points(desc, desc_encrypted_out, message);
 
   /* Validation of maximum introduction points allowed. */
-  if (smartlist_len(desc_encrypted_out->intro_points) > MAX_INTRO_POINTS) {
+  if (smartlist_len(desc_encrypted_out->intro_points) >
+      HS_CONFIG_V3_MAX_INTRO_POINTS) {
     log_warn(LD_REND, "Service descriptor contains too many introduction "
                       "points. Maximum allowed is %d but we have %d",
-             MAX_INTRO_POINTS,
+             HS_CONFIG_V3_MAX_INTRO_POINTS,
              smartlist_len(desc_encrypted_out->intro_points));
     goto err;
   }



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