From 9f0c608b7e3367fd11cab062c176a80231873a04 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Tue, 30 Sep 2003 20:05:45 +0000
Subject: [PATCH] Check router signatures again; debug signature checking
svn:r517
---
src/or/routers.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/src/or/routers.c b/src/or/routers.c
index beec9b1274..5628d30d97 100644
--- a/src/or/routers.c
+++ b/src/or/routers.c
@@ -655,6 +655,10 @@ int router_get_dir_from_string_impl(char *s, directory_t **dest,
log_fn(LOG_WARNING, "Unable to compute digest of directory");
goto err;
}
+ log(LOG_DEBUG,"Received directory hashes to %02x:%02x:%02x:%02x",
+ ((int)digest[0])&0xff,((int)digest[1])&0xff,
+ ((int)digest[2])&0xff,((int)digest[3])&0xff);
+
NEXT_TOK();
TOK_IS(K_SIGNED_DIRECTORY, "signed-directory");
@@ -702,6 +706,9 @@ int router_get_dir_from_string_impl(char *s, directory_t **dest,
free(tok.val.signature);
goto err;
}
+ log(LOG_DEBUG,"Signed directory hash starts %02x:%02x:%02x:%02x",
+ ((int)signed_digest[0])&0xff,((int)signed_digest[1])&0xff,
+ ((int)signed_digest[2])&0xff,((int)signed_digest[3])&0xff);
if (memcmp(digest, signed_digest, 20)) {
log_fn(LOG_WARNING, "Error reading directory: signature does not match.");
#if 0 /* XXX, fix me */
@@ -830,9 +837,7 @@ router_resolve_directory(directory_t *dir)
*/
routerinfo_t *router_get_entry_from_string(char**s) {
routerinfo_t *router = NULL;
-#if 0
char signed_digest[128];
-#endif
char digest[128];
directory_token_t _tok;
directory_token_t *tok = &_tok;
@@ -961,9 +966,7 @@ routerinfo_t *router_get_entry_from_string(char**s) {
goto err;
}
assert (router->identity_pkey);
-#if 0
- /* XXX This should get re-enabled, once directory servers properly
- * XXX relay signed router blocks. */
+
if (crypto_pk_public_checksig(router->identity_pkey, tok->val.signature,
128, signed_digest) != 20) {
log_fn(LOG_WARNING, "Invalid signature");
@@ -973,7 +976,6 @@ routerinfo_t *router_get_entry_from_string(char**s) {
log_fn(LOG_WARNING, "Mismatched signature");
goto err;
}
-#endif
return router;
--
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