| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * Making privileged connections |
| 4 | * |
| 5 | * (c) 2003 Straylight/Edgeware |
| 6 | */ |
| 7 | |
| 8 | /*----- Licensing notice --------------------------------------------------* |
| 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. |
| 16 | * |
| 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. |
| 21 | * |
| 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 | |
| 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 |