| 1 | //network.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #include "roard.h" |
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| 26 | |
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| 27 | #ifdef ROAR_BROKEN_PEERCRED |
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| 28 | #undef SO_PEERCRED |
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| 29 | #endif |
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| 30 | |
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| 31 | int net_check_listen (void) { |
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| 32 | int r; |
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| 33 | fd_set sl; |
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| 34 | struct timeval tv; |
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| 35 | |
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| 36 | FD_ZERO(&sl); |
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| 37 | FD_SET(g_listen_socket, &sl); |
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| 38 | |
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| 39 | tv.tv_sec = 0; |
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| 40 | tv.tv_usec = 1; |
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| 41 | |
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| 42 | if ((r = select(g_listen_socket + 1, &sl, NULL, NULL, &tv)) > 0) { |
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| 43 | ROAR_DBG("net_check_listen(void): We have a connection!"); |
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| 44 | return net_get_new_client(); |
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| 45 | } |
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| 46 | |
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| 47 | return r; |
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| 48 | } |
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| 49 | |
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| 50 | int net_get_new_client (void) { |
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| 51 | int fh; |
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| 52 | int client; |
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| 53 | #ifdef SO_PEERCRED |
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| 54 | struct roar_client * c; |
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| 55 | struct ucred cred; |
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| 56 | socklen_t cred_len = sizeof(cred); |
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| 57 | #endif |
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| 58 | |
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| 59 | fh = accept(g_listen_socket, NULL, NULL); |
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| 60 | |
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| 61 | ROAR_DBG("net_get_new_client(void): fh = %i", fh); |
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| 62 | |
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| 63 | client = clients_new(); |
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| 64 | |
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| 65 | if ( clients_set_fh(client, fh) == -1 ) { |
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| 66 | ROAR_ERR("net_get_new_client(void): Can not set client's fh"); |
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| 67 | |
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| 68 | clients_delete(client); |
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| 69 | close(fh); |
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| 70 | |
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| 71 | ROAR_DBG("net_get_new_client(void) = -1"); |
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| 72 | return -1; |
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| 73 | } |
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| 74 | |
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| 75 | #ifdef SO_PEERCRED |
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| 76 | if ( clients_get(client, &c) != -1 ) { |
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| 77 | if (getsockopt(fh, SOL_SOCKET, SO_PEERCRED, &cred, &cred_len) != -1) { |
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| 78 | if ( cred.pid != 0 ) { |
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| 79 | c->pid = cred.pid; |
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| 80 | c->uid = cred.uid; |
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| 81 | c->gid = cred.gid; |
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| 82 | } |
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| 83 | } else { |
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| 84 | ROAR_DBG("req_on_identify(): Can't get creds via SO_PEERCRED: %s", strerror(errno)); |
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| 85 | } |
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| 86 | } |
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| 87 | #endif |
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| 88 | |
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| 89 | // close(fh); |
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| 90 | |
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| 91 | return 0; |
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| 92 | } |
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| 93 | |
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| 94 | //ll |
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