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Merge remote-tracking branch 'tor-github/pr/646'

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This commit is contained in:
Nick Mathewson
2019-02-24 17:17:16 -05:00
parent 34601105a3 c985940de9
commit 69238ca2da
6 changed files with 64 additions and 6 deletions
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src/feature/control/control.c
+20 -6
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@@ -4426,6 +4426,8 @@ handle_control_hsfetch(control_connection_t *conn, uint32_t len,
static const char *v2_str = "v2-";
const size_t v2_str_len = strlen(v2_str);
rend_data_t *rend_query = NULL;
ed25519_public_key_t v3_pk;
uint32_t version;
/* Make sure we have at least one argument, the HSAddress. */
args = getargs_helper(hsfetch_command, conn, body, 1, -1);
@@ -4438,6 +4440,7 @@ handle_control_hsfetch(control_connection_t *conn, uint32_t len,
/* Test if it's an HS address without the .onion part. */
if (rend_valid_v2_service_id(arg1)) {
hsaddress = arg1;
version = HS_VERSION_TWO;
} else if (strcmpstart(arg1, v2_str) == 0 &&
rend_valid_descriptor_id(arg1 + v2_str_len) &&
base32_decode(digest, sizeof(digest), arg1 + v2_str_len,
@@ -4445,6 +4448,11 @@ handle_control_hsfetch(control_connection_t *conn, uint32_t len,
/* We have a well formed version 2 descriptor ID. Keep the decoded value
* of the id. */
desc_id = digest;
version = HS_VERSION_TWO;
} else if (hs_address_is_valid(arg1)) {
hsaddress = arg1;
version = HS_VERSION_THREE;
hs_parse_address(hsaddress, &v3_pk, NULL, NULL);
} else {
connection_printf_to_buf(conn, "513 Invalid argument \"%s\"\r\n",
arg1);
@@ -4481,11 +4489,13 @@ handle_control_hsfetch(control_connection_t *conn, uint32_t len,
}
}
rend_query = rend_data_client_create(hsaddress, desc_id, NULL,
REND_NO_AUTH);
if (rend_query == NULL) {
connection_printf_to_buf(conn, "551 Error creating the HS query\r\n");
goto done;
if (version == HS_VERSION_TWO) {
rend_query = rend_data_client_create(hsaddress, desc_id, NULL,
REND_NO_AUTH);
if (rend_query == NULL) {
connection_printf_to_buf(conn, "551 Error creating the HS query\r\n");
goto done;
}
}
/* Using a descriptor ID, we force the user to provide at least one
@@ -4504,7 +4514,11 @@ handle_control_hsfetch(control_connection_t *conn, uint32_t len,
/* Trigger the fetch using the built rend query and possibly a list of HS
* directory to use. This function ignores the client cache thus this will
* always send a fetch command. */
rend_client_fetch_v2_desc(rend_query, hsdirs);
if (version == HS_VERSION_TWO) {
rend_client_fetch_v2_desc(rend_query, hsdirs);
} else if (version == HS_VERSION_THREE) {
hs_control_hsfetch_command(&v3_pk, hsdirs);
}
done:
SMARTLIST_FOREACH(args, char *, cp, tor_free(cp));