commit 26795da900d7b487b80e19b804475ad7b132188d Author: Alexander Færøy ahf@torproject.org Date: Mon May 22 12:34:57 2017 +0000

Don't add "Accept-Encoding" header if directory connection is anonymous.

See: https://bugs.torproject.org/22305 --- src/or/directory.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/or/directory.c b/src/or/directory.c index ef74c0f..5aab8a7 100644 --- a/src/or/directory.c +++ b/src/or/directory.c @@ -1677,6 +1677,7 @@ directory_send_command(dir_connection_t *conn, const char *payload = req->payload; const size_t payload_len = req->payload_len; const time_t if_modified_since = req->if_modified_since; + const int anonymized_connection = dirind_is_anon(req->indirection);

char proxystring[256]; char hoststring[128]; @@ -1742,11 +1743,13 @@ directory_send_command(dir_connection_t *conn, proxystring[0] = 0; }

- /* Add Accept-Encoding. */ - accept_encoding = accept_encoding_header(); - smartlist_add_asprintf(headers, "Accept-Encoding: %s\r\n", - accept_encoding); - tor_free(accept_encoding); + if (! anonymized_connection) { + /* Add Accept-Encoding. */ + accept_encoding = accept_encoding_header(); + smartlist_add_asprintf(headers, "Accept-Encoding: %s\r\n", + accept_encoding); + tor_free(accept_encoding); + }

/* Add additional headers, if any */ {