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hs: Use v3 maximum intro points value when decoding v3

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Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2017-05-10 09:37:41 -04:00
parent 765ed5dac1
commit 74193b9321
2 changed files with 7 additions and 2 deletions
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3
src/or/hs_config.h
View File

@ -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);

6
src/or/hs_descriptor.c
View File

@ -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;
}