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1 | /* -*-c-*- |
2 | * |
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3 | * Making privileged connections |
4 | * |
5 | * (c) 2003 Straylight/Edgeware |
6 | */ |
7 | |
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8 | /*----- Licensing notice --------------------------------------------------* |
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9 | * |
10 | * This file is part of the `fw' port forwarder. |
11 | * |
12 | * `fw' is free software; you can redistribute it and/or modify |
13 | * it under the terms of the GNU General Public License as published by |
14 | * the Free Software Foundation; either version 2 of the License, or |
15 | * (at your option) any later version. |
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16 | * |
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17 | * `fw' is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | * GNU General Public License for more details. |
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21 | * |
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22 | * You should have received a copy of the GNU General Public License |
23 | * along with `fw'; if not, write to the Free Software Foundation, |
24 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
25 | */ |
26 | |
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27 | #ifndef PRIVCONN_H |
28 | #define PRIVCONN_H |
29 | |
30 | #ifdef __cplusplus |
31 | extern "C" { |
32 | #endif |
33 | |
34 | /*----- Header files ------------------------------------------------------*/ |
35 | |
36 | #include <arpa/inet.h> |
37 | |
38 | #include <mLib/conn.h> |
39 | #include <mLib/sel.h> |
40 | |
41 | /*----- Functions provided ------------------------------------------------*/ |
42 | |
43 | /* --- @privconn_split@ --- * |
44 | * |
45 | * Arguments: @sel_state *s@ = select state |
46 | * |
47 | * Returns: --- |
48 | * |
49 | * Use: Splits off the privileged binding code into a separate |
50 | * process. |
51 | */ |
52 | |
53 | extern void privconn_split(sel_state */*s*/); |
54 | |
55 | /* --- @privconn_adddest@ --- * |
56 | * |
57 | * Arguments: @struct in_addr peer@ = address to connect to |
58 | * @unsigned port@ = port to connect to |
59 | * |
60 | * Returns: Index for this destination address, or @-1@ if not |
61 | * available. |
62 | * |
63 | * Use: Adds a valid destination for a privileged connection. |
64 | */ |
65 | |
66 | extern int privconn_adddest(struct in_addr /*peer*/, unsigned /*port*/); |
67 | |
68 | /* --- @privconn_connect@ --- * |
69 | * |
70 | * Arguments: @conn *c@ = connection structure to fill in |
71 | * @sel_state *s@ = pointer to select state to attach to |
72 | * @int i@ = address index to connect to |
73 | * @struct in_addr bind@ = address to bind to |
74 | * @void (*func)(int, void *)@ = function to call on connect |
75 | * @void *p@ = argument for the function |
76 | * |
77 | * Returns: Zero on success, @-1@ on failure. |
78 | * |
79 | * Use: Sets up a privileged connection job. |
80 | */ |
81 | |
82 | extern int privconn_connect(conn */*c*/, sel_state */*s*/, |
83 | int /*i*/, struct in_addr /*bind*/, |
84 | void (*/*func*/)(int, void *), void */*p*/); |
85 | |
86 | /*----- That's all, folks -------------------------------------------------*/ |
87 | |
88 | #ifdef __cplusplus |
89 | } |
90 | #endif |
91 | |
92 | #endif |