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8af55556 | 1 | /* GnuTLS glue for GNU Emacs. |
ab422c4d | 2 | Copyright (C) 2010-2013 Free Software Foundation, Inc. |
8af55556 TZ |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software: you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation, either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef EMACS_GNUTLS_DEFINED | |
20 | #define EMACS_GNUTLS_DEFINED | |
21 | ||
22 | #ifdef HAVE_GNUTLS | |
23 | #include <gnutls/gnutls.h> | |
e061a11b | 24 | #include <gnutls/x509.h> |
8af55556 | 25 | |
a18ecafa TZ |
26 | /* This limits the attempts to handshake per process (connection). */ |
27 | #define GNUTLS_EMACS_HANDSHAKES_LIMIT 100 | |
28 | ||
8af55556 TZ |
29 | typedef enum |
30 | { | |
31 | /* Initialization stages. */ | |
32 | GNUTLS_STAGE_EMPTY = 0, | |
33 | GNUTLS_STAGE_CRED_ALLOC, | |
34 | GNUTLS_STAGE_FILES, | |
e061a11b | 35 | GNUTLS_STAGE_CALLBACKS, |
8af55556 TZ |
36 | GNUTLS_STAGE_INIT, |
37 | GNUTLS_STAGE_PRIORITY, | |
38 | GNUTLS_STAGE_CRED_SET, | |
39 | ||
40 | /* Handshake stages. */ | |
41 | GNUTLS_STAGE_HANDSHAKE_CANDO = GNUTLS_STAGE_CRED_SET, | |
42 | GNUTLS_STAGE_TRANSPORT_POINTERS_SET, | |
43 | GNUTLS_STAGE_HANDSHAKE_TRIED, | |
44 | ||
45 | GNUTLS_STAGE_READY, | |
46 | } gnutls_initstage_t; | |
47 | ||
0898ca10 | 48 | #define GNUTLS_EMACS_ERROR_NOT_LOADED GNUTLS_E_APPLICATION_ERROR_MIN + 1 |
8af55556 TZ |
49 | #define GNUTLS_EMACS_ERROR_INVALID_TYPE GNUTLS_E_APPLICATION_ERROR_MIN |
50 | ||
51 | #define GNUTLS_INITSTAGE(proc) (XPROCESS (proc)->gnutls_initstage) | |
52 | ||
53 | #define GNUTLS_PROCESS_USABLE(proc) (GNUTLS_INITSTAGE(proc) >= GNUTLS_STAGE_READY) | |
54 | ||
435c1d67 | 55 | #define GNUTLS_LOG(level, max, string) do { if (level <= max) { gnutls_log_function (level, "(Emacs) " string); } } while (0) |
8ed70bf3 | 56 | |
435c1d67 | 57 | #define GNUTLS_LOG2(level, max, string, extra) do { if (level <= max) { gnutls_log_function2 (level, "(Emacs) " string, extra); } } while (0) |
c1ae068b | 58 | |
a18ecafa TZ |
59 | #define GNUTLS_LOG2i(level, max, string, extra) do { if (level <= max) { gnutls_log_function2i (level, "(Emacs) " string, extra); } } while (0) |
60 | ||
d311d28c PE |
61 | extern ptrdiff_t |
62 | emacs_gnutls_write (struct Lisp_Process *proc, const char *buf, ptrdiff_t nbyte); | |
63 | extern ptrdiff_t | |
64 | emacs_gnutls_read (struct Lisp_Process *proc, char *buf, ptrdiff_t nbyte); | |
8af55556 | 65 | |
0898ca10 JB |
66 | extern int emacs_gnutls_record_check_pending (gnutls_session_t state); |
67 | extern void emacs_gnutls_transport_set_errno (gnutls_session_t state, int err); | |
9c6c6f49 | 68 | extern Lisp_Object emacs_gnutls_deinit (Lisp_Object); |
0898ca10 | 69 | |
8af55556 TZ |
70 | extern void syms_of_gnutls (void); |
71 | ||
368f4090 | 72 | #endif |
8af55556 TZ |
73 | |
74 | #endif |