1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
(***********************************************************************)
(* reconComm.ml *)
(* *)
(* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, *)
(* 2011, 2012, 2013 Yaron Minsky and Contributors *)
(* *)
(* This file is part of SKS. SKS is free software; you can *)
(* redistribute it and/or modify it under the terms of the GNU General *)
(* Public License as published by the Free Software Foundation; either *)
(* version 2 of the License, or (at your option) any later version. *)
(* *)
(* This program is distributed in the hope that it will be useful, but *)
(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
(* General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU General Public License *)
(* along with this program; if not, write to the Free Software *)
(* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *)
(* USA or see <http://www.gnu.org/licenses/>. *)
(***********************************************************************)
open StdLabels
open MoreLabels
open Printf
open Common
open Packet
module Map = PMap.Map
open DbMessages
(***************************************************************)
(** Message Sending Primitives *)
(***************************************************************)
(** send DbMessages message and wait for response *)
let send_dbmsg msg =
let s = Unix.socket (Unix.domain_of_sockaddr db_command_addr) Unix.SOCK_STREAM 0 in
protect ~f:(fun () ->
Unix.connect s db_command_addr;
let cin = Channel.sys_in_from_fd s in
let cout = Channel.sys_out_from_fd s in
marshal cout msg;
let reply = (unmarshal cin).msg in
reply
)
~finally:(fun () -> Unix.close s)
(** send DbMessages message, don't wait for response *)
let send_dbmsg_noreply msg =
let s = Unix.socket (Unix.domain_of_sockaddr db_command_addr) Unix.SOCK_STREAM 0 in
protect ~f:(fun () ->
Unix.connect s db_command_addr;
let cout = Channel.sys_out_from_fd s in
marshal cout msg )
~finally:(fun () -> Unix.close s)
let is_content_type line =
try
let colonpos = String.index line ':' in
let prefix = String.sub ~pos:0 ~len:colonpos line in
Utils.lowercase prefix = "content-type"
with
Not_found -> false
let http_status_ok_regexp = Str.regexp "^HTTP/[0-9]+\\.[0-9]+ 2"
let get_keystrings_via_http addr hashes =
let s = Unix.socket (Unix.domain_of_sockaddr addr) Unix.SOCK_STREAM 0 in
protect ~f:(fun () ->
Unix.bind s (match_client_recon_addr addr);
Unix.connect s addr;
let cin = Channel.sys_in_from_fd s
and cout = Channel.sys_out_from_fd s in
let sout = Channel.new_buffer_outc 0 in
CMarshal.marshal_list ~f:CMarshal.marshal_string sout hashes;
let msg = sout#contents in
cout#write_string "POST /pks/hashquery HTTP/1.0\r\n";
cout#write_string (sprintf "content-length: %d\r\n\r\n"
(String.length msg));
cout#write_string msg;
cout#flush;
(* read "HTTP" line and make sure the status is 2xx *)
let status = input_line cin#inchan in
if not (Str.string_match http_status_ok_regexp status 0) then
failwith status;
let _headers = Wserver.parse_headers Map.empty cin#inchan in
let keystrings =
CMarshal.unmarshal_list ~f:CMarshal.unmarshal_string cin
in
keystrings
)
~finally:(fun () -> Unix.close s)
let fetch_filters () =
let reply = send_dbmsg (Config ("filters",`none)) in
match reply with
| Filters filters -> filters
| _ -> failwith "ReconComm.fetch_filters: unexpected reply"
|
