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authorNick Mathewson <nickm@torproject.org>2016-12-20 18:11:08 -0500
committerNick Mathewson <nickm@torproject.org>2016-12-20 18:11:08 -0500
commitdb58d4d16ff156b8827198b2732646c73eb59f14 (patch)
tree0fd918e7660790b133352985366bce71b007cb20 /src/or
parent3d2d3f2b62a361552f893b85e5b0d356be0a9261 (diff)
parent0fb3058eced5dce355d777288bd9ec255b875db4 (diff)
downloadtor-db58d4d16ff156b8827198b2732646c73eb59f14.tar.gz
tor-db58d4d16ff156b8827198b2732646c73eb59f14.zip
Merge branch 'maint-0.2.4' into maint-0.2.5
Diffstat (limited to 'src/or')
-rw-r--r--src/or/rendcommon.c6
-rw-r--r--src/or/routerparse.c6
2 files changed, 7 insertions, 5 deletions
diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c
index bd701b217e..9637d4d838 100644
--- a/src/or/rendcommon.c
+++ b/src/or/rendcommon.c
@@ -1113,8 +1113,10 @@ rend_cache_store_v2_desc_as_client(const char *desc,
intro_size);
if (n_intro_points <= 0) {
log_warn(LD_REND, "Failed to parse introduction points. Either the "
- "service has published a corrupt descriptor or you have "
- "provided invalid authorization data.");
+ "service has published a corrupt descriptor, or you have "
+ "provided invalid authorization data, or (maybe!) the "
+ "server is deliberately serving broken data in an attempt "
+ "to crash you with bug 21018.");
goto err;
} else if (n_intro_points > MAX_INTRO_POINTS) {
log_warn(LD_REND, "Found too many introduction points on a hidden "
diff --git a/src/or/routerparse.c b/src/or/routerparse.c
index b59b0ad4f2..5b70142a43 100644
--- a/src/or/routerparse.c
+++ b/src/or/routerparse.c
@@ -3613,7 +3613,7 @@ get_next_token(memarea_t *area,
if (tok->tp == ERR_) {
/* No keyword matched; call it an "K_opt" or "A_unrecognized" */
- if (**s == '@')
+ if (*s < eol && **s == '@')
tok->tp = A_UNKNOWN_;
else
tok->tp = K_OPT;
@@ -4619,7 +4619,7 @@ rend_decrypt_introduction_points(char **ipos_decrypted,
crypto_cipher_free(cipher);
len = ipos_encrypted_size - 2 - client_entries_len - CIPHER_IV_LEN;
- dec = tor_malloc(len);
+ dec = tor_malloc_zero(len + 1);
declen = crypto_cipher_decrypt_with_iv(session_key, dec, len,
ipos_encrypted + 2 + client_entries_len,
ipos_encrypted_size - 2 - client_entries_len);
@@ -4651,7 +4651,7 @@ rend_decrypt_introduction_points(char **ipos_decrypted,
"small.");
return -1;
}
- dec = tor_malloc_zero(ipos_encrypted_size - CIPHER_IV_LEN - 1);
+ dec = tor_malloc_zero(ipos_encrypted_size - CIPHER_IV_LEN - 1 + 1);
declen = crypto_cipher_decrypt_with_iv(descriptor_cookie, dec,
ipos_encrypted_size -