diff options
Diffstat (limited to 'src/or/hs_control.c')
| -rw-r--r-- | src/or/hs_control.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/or/hs_control.c b/src/or/hs_control.c new file mode 100644 index 0000000000..0bcb41dccf --- /dev/null +++ b/src/or/hs_control.c @@ -0,0 +1,52 @@ +/* Copyright (c) 2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +/** + * \file hs_control.c + * \brief Contains control port event related code. + **/ + +#include "or.h" +#include "control.h" +#include "hs_common.h" +#include "hs_control.h" +#include "nodelist.h" + +/* Send on the control port the "HS_DESC REQUESTEDÂ [...]" event. + * + * The onion_pk is the onion service public key, base64_blinded_pk is the + * base64 encoded blinded key for the service and hsdir_rs is the routerstatus + * object of the HSDir that this request is for. */ +void +hs_control_desc_event_requested(const ed25519_public_key_t *onion_pk, + const char *base64_blinded_pk, + const routerstatus_t *hsdir_rs) +{ + char onion_address[HS_SERVICE_ADDR_LEN_BASE32 + 1]; + const uint8_t *hsdir_index; + const node_t *hsdir_node; + + tor_assert(onion_pk); + tor_assert(base64_blinded_pk); + tor_assert(hsdir_rs); + + hs_build_address(onion_pk, HS_VERSION_THREE, onion_address); + + /* Get the node from the routerstatus object to get the HSDir index used for + * this request. We can't have a routerstatus entry without a node and we + * can't pick a node without an hsdir_index. */ + hsdir_node = node_get_by_id(hsdir_rs->identity_digest); + tor_assert(hsdir_node); + tor_assert(hsdir_node->hsdir_index); + /* This is a fetch event. */ + hsdir_index = hsdir_node->hsdir_index->fetch; + + /* Trigger the event. */ + control_event_hs_descriptor_requested(onion_address, REND_NO_AUTH, + hsdir_rs->identity_digest, + base64_blinded_pk, + hex_str((const char *) hsdir_index, + DIGEST256_LEN)); + memwipe(onion_address, 0, sizeof(onion_address)); +} + |