[0] | 1 | //socket.c: |
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| 2 | |
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[690] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[690] | 5 | * |
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| 6 | * This file is part of libroar 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 | * libroar 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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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[690] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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[5109] | 36 | #define _LIBROAR_NOATTR_TO_STATIC /* ignore warnings for TO_STATIC functions */ |
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[0] | 37 | #include "libroar.h" |
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| 38 | |
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[81] | 39 | #define MODE_LISTEN ROAR_SOCKET_MODE_LISTEN |
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| 40 | #define MODE_CONNECT ROAR_SOCKET_MODE_CONNECT |
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[0] | 41 | |
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[1761] | 42 | #ifdef ROAR_TARGET_WIN32 |
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| 43 | void roar_socket_win32_init (void) { |
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| 44 | static int inited = 0; |
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| 45 | WSADATA wsadata; |
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| 46 | |
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| 47 | if ( !inited ) { |
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| 48 | WSAStartup(MAKEWORD(1,1) , &wsadata); |
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| 49 | inited++; |
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| 50 | } |
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| 51 | } |
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| 52 | #else |
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| 53 | #define roar_socket_win32_init() |
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| 54 | #endif |
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| 55 | |
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[0] | 56 | int roar_socket_new_tcp (void) { |
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[1359] | 57 | #ifdef ROAR_HAVE_IPV4 |
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| 58 | int fh; |
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[3788] | 59 | #if defined(TCP_NODELAY) && !defined(ROAR_TARGET_WIN32) |
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[1154] | 60 | int t = 1; |
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| 61 | #endif |
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[0] | 62 | |
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[1761] | 63 | roar_socket_win32_init(); |
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| 64 | |
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[3835] | 65 | fh = socket(AF_INET, SOCK_STREAM, 0); |
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[0] | 66 | |
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[5113] | 67 | roar_socket_set_tos(fh); |
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[3788] | 68 | #if defined(TCP_NODELAY) && !defined(ROAR_TARGET_WIN32) |
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[1154] | 69 | setsockopt(fh, IPPROTO_TCP, TCP_NODELAY, &t, sizeof(int)); |
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| 70 | #endif |
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[234] | 71 | |
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[0] | 72 | return fh; |
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[1359] | 73 | #else |
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| 74 | return -1; |
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| 75 | #endif |
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[0] | 76 | } |
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| 77 | |
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[374] | 78 | int roar_socket_new_udp (void) { |
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[1359] | 79 | #ifdef ROAR_HAVE_IPV4 |
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[374] | 80 | int fh; |
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| 81 | |
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[1761] | 82 | roar_socket_win32_init(); |
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| 83 | |
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[3835] | 84 | fh = socket(AF_INET, SOCK_DGRAM, 0); |
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[374] | 85 | |
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[5113] | 86 | roar_socket_set_tos(fh); |
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[374] | 87 | |
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| 88 | return fh; |
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[1359] | 89 | #else |
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| 90 | return -1; |
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| 91 | #endif |
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[374] | 92 | } |
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| 93 | |
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[509] | 94 | int roar_socket_new_tcp6 (void) { |
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[1084] | 95 | #ifdef ROAR_HAVE_IPV6 |
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[509] | 96 | int fh; |
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| 97 | |
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[1761] | 98 | roar_socket_win32_init(); |
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| 99 | |
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[3835] | 100 | fh = socket(AF_INET6, SOCK_STREAM, 0); |
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[509] | 101 | |
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[5113] | 102 | roar_socket_set_tos(fh); |
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[509] | 103 | |
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| 104 | return fh; |
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| 105 | #else |
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| 106 | return -1; |
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| 107 | #endif |
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| 108 | } |
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| 109 | |
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| 110 | int roar_socket_new_udp6 (void) { |
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[1084] | 111 | #ifdef ROAR_HAVE_IPV6 |
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[509] | 112 | int fh; |
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| 113 | |
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[1761] | 114 | roar_socket_win32_init(); |
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| 115 | |
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[3835] | 116 | fh = socket(AF_INET6, SOCK_DGRAM, 0); |
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[509] | 117 | |
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[5113] | 118 | roar_socket_set_tos(fh); |
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[509] | 119 | |
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| 120 | return fh; |
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| 121 | #else |
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| 122 | return -1; |
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| 123 | #endif |
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| 124 | } |
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| 125 | |
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[0] | 126 | int roar_socket_new_unix (void) { |
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[1443] | 127 | #ifdef ROAR_HAVE_UNIX |
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[0] | 128 | int fh; |
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[752] | 129 | /* |
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[442] | 130 | #ifdef SO_PEERCRED |
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| 131 | int opt = 1; |
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| 132 | #endif |
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[752] | 133 | */ |
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[0] | 134 | |
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| 135 | fh = socket(AF_UNIX, SOCK_STREAM, 0); |
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| 136 | |
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[752] | 137 | /* |
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[442] | 138 | #ifdef SO_PEERCRED |
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[752] | 139 | // setsockopt(fh, SOL_SOCKET, SO_PASSCRED, &opt, sizeof(int)); |
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[442] | 140 | #endif |
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[752] | 141 | */ |
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[442] | 142 | |
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[0] | 143 | return fh; |
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[1443] | 144 | #else |
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| 145 | return -1; |
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| 146 | #endif |
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[0] | 147 | } |
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| 148 | |
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[873] | 149 | int roar_socket_decnet_set_timeout (int fh, time_t sec, int usec) { |
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| 150 | #ifdef ROAR_HAVE_LIBDNET |
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| 151 | struct timeval timeout = {sec, usec}; |
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| 152 | |
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| 153 | return setsockopt(fh, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)); |
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| 154 | #else |
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| 155 | return -1; |
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| 156 | #endif |
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| 157 | } |
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| 158 | |
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[968] | 159 | int roar_socket_recvbuf(int fh, int len) { |
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[1443] | 160 | #ifdef ROAR_HAVE_BSDSOCKETS |
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[968] | 161 | if ( len < 256 ) len = 256; |
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| 162 | |
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[4939] | 163 | return setsockopt(fh, SOL_SOCKET, SO_RCVBUF, (void *)&len, sizeof(len)); |
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[1443] | 164 | #else |
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| 165 | return -1; |
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| 166 | #endif |
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[968] | 167 | } |
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| 168 | |
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[5113] | 169 | int roar_socket_set_tos(int fh) { |
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[5210] | 170 | #if defined(ROAR_HAVE_BSDSOCKETS) && !defined(ROAR_TARGET_WIN32) |
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[5113] | 171 | int opt = IPTOS_LOWDELAY; |
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| 172 | int ret; |
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| 173 | |
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| 174 | roar_err_clear_errno(); |
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| 175 | ret = setsockopt(fh, IPPROTO_IP, IP_TOS, &opt, sizeof(int)); |
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| 176 | if ( ret < 0 ) |
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| 177 | roar_err_from_errno(); |
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| 178 | |
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| 179 | return ret; |
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| 180 | #else |
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| 181 | return -1; |
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| 182 | #endif |
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| 183 | } |
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| 184 | |
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[508] | 185 | int roar_socket_new_decnet_seqpacket (void) { |
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| 186 | #ifdef ROAR_HAVE_LIBDNET |
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| 187 | int fh; |
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| 188 | |
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| 189 | fh = socket(AF_DECnet, SOCK_SEQPACKET, DNPROTO_NSP); |
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| 190 | |
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[873] | 191 | roar_socket_decnet_set_timeout(fh, 300, 0); |
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| 192 | |
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[508] | 193 | return fh; |
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| 194 | #else |
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| 195 | return -1; |
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| 196 | #endif |
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| 197 | } |
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| 198 | |
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| 199 | |
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| 200 | int roar_socket_new_decnet_stream (void) { |
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| 201 | #ifdef ROAR_HAVE_LIBDNET |
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| 202 | int fh; |
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| 203 | |
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| 204 | fh = socket(AF_DECnet, SOCK_STREAM, DNPROTO_NSP); |
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| 205 | |
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[873] | 206 | roar_socket_decnet_set_timeout(fh, 300, 0); |
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| 207 | |
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[508] | 208 | return fh; |
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| 209 | #else |
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| 210 | return -1; |
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| 211 | #endif |
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| 212 | } |
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| 213 | |
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[528] | 214 | int roar_socket_new_ipxspx (void) { |
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| 215 | return -1; |
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| 216 | } |
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[508] | 217 | |
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[530] | 218 | int roar_socket_new_ipx (void) { |
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| 219 | #ifdef ROAR_HAVE_IPX |
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| 220 | return socket(AF_IPX, SOCK_DGRAM, AF_IPX); |
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| 221 | #else |
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| 222 | return -1; |
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| 223 | #endif |
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| 224 | } |
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| 225 | |
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| 226 | |
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[0] | 227 | int roar_socket_nonblock(int fh, int state) { |
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[4554] | 228 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && defined(ROAR_HAVE_FCNTL) |
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[0] | 229 | int flags; |
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| 230 | |
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| 231 | if ( (flags = fcntl(fh, F_GETFL, 0)) == -1 ) { |
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[5148] | 232 | roar_err_from_errno(); |
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[0] | 233 | ROAR_ERR("roar_socket_nonblock(fh=%i, state=%i): Can not read flags: %s", fh, state, strerror(errno)); |
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| 234 | ROAR_DBG("roar_socket_nonblock(fh=%i, state=%i) = -1", fh, state); |
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| 235 | return -1; |
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| 236 | } |
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| 237 | |
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[1119] | 238 | if ( !(flags & O_NONBLOCK) && state == ROAR_SOCKET_BLOCK ) |
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| 239 | return 0; |
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| 240 | |
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[0] | 241 | flags |= O_NONBLOCK; |
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| 242 | |
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| 243 | if ( state == ROAR_SOCKET_BLOCK ) |
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| 244 | flags -= O_NONBLOCK; |
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| 245 | |
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| 246 | if ( fcntl(fh, F_SETFL, flags) == -1 ) { |
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[5148] | 247 | roar_err_from_errno(); |
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[0] | 248 | ROAR_ERR("roar_socket_nonblock(fh=%i, state=%i): Can not set flags: %s", fh, state, strerror(errno)); |
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| 249 | ROAR_DBG("roar_socket_nonblock(fh=%i, state=%i) = -1", fh, state); |
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| 250 | return -1; |
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| 251 | } |
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| 252 | |
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| 253 | ROAR_DBG("roar_socket_nonblock(fh=%i, state=%i) = 0", fh, state); |
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| 254 | return 0; |
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[1085] | 255 | #else |
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| 256 | ROAR_WARN("roar_socket_nonblock(*): no nonblocking IO support on win32, use a real OS"); |
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| 257 | return -1; |
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| 258 | #endif |
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[0] | 259 | } |
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| 260 | |
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[375] | 261 | int roar_socket_dup_udp_local_end (int fh) { |
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[4554] | 262 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && defined(ROAR_HAVE_FCNTL) |
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[376] | 263 | int n = -1; |
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| 264 | int flags = -1; |
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| 265 | struct sockaddr_in socket_addr; |
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| 266 | socklen_t len = sizeof(struct sockaddr_in); |
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| 267 | |
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| 268 | if ( (flags = fcntl(fh, F_GETFL, 0)) == -1 ) { |
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| 269 | ROAR_WARN("roar_socket_dup_udp_local_end(fh=%i): Can not read flags: %s", fh, strerror(errno)); |
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| 270 | } |
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| 271 | |
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| 272 | if ( getsockname(fh, (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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[5148] | 273 | roar_err_from_errno(); |
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[376] | 274 | return -1; |
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| 275 | } |
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| 276 | |
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| 277 | if ( socket_addr.sin_family != AF_INET ) { |
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[5148] | 278 | roar_err_set(ROAR_ERROR_TYPEMM); |
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[376] | 279 | return -1; |
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| 280 | } |
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| 281 | |
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| 282 | n = roar_socket_new_udp(); |
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| 283 | |
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| 284 | if ( n == -1 ) |
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| 285 | return -1; |
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| 286 | |
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| 287 | // if ( mode_func(fh, (struct sockaddr *)&socket_addr, sizeof(struct sockaddr_in)) == -1 ) { |
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| 288 | if ( bind(n, (struct sockaddr *)&socket_addr, len) == -1 ) { |
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[5148] | 289 | roar_err_from_errno(); |
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[376] | 290 | close(n); |
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| 291 | return -1; |
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| 292 | } |
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| 293 | |
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| 294 | if ( flags != -1 ) { |
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| 295 | if ( fcntl(fh, F_SETFL, flags) == -1 ) { |
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| 296 | ROAR_WARN("roar_socket_dup_udp_local_end(fh=%i): Can not set flags: %s", fh, strerror(errno)); |
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| 297 | return -1; |
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| 298 | } |
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| 299 | } |
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| 300 | |
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| 301 | |
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| 302 | return n; |
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[1085] | 303 | #else |
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| 304 | ROAR_WARN("roar_socket_dup_udp_local_end(*): this function is not supported on win32, use a real OS"); |
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| 305 | return -1; |
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| 306 | #endif |
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[375] | 307 | } |
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| 308 | |
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[753] | 309 | |
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| 310 | #define _SCMR_CONTROLLEN (sizeof(struct cmsghdr) + sizeof(int)) |
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| 311 | int roar_socket_send_fh (int sock, int fh, char * mes, size_t len) { |
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[4554] | 312 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_OS_SUNOS) && !defined(ROAR_TARGET_OPENVMS) |
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[753] | 313 | struct iovec iov[1]; |
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| 314 | struct msghdr msg; |
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| 315 | char cmptr_buf[_SCMR_CONTROLLEN]; |
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| 316 | struct cmsghdr * cmptr = (struct cmsghdr *) cmptr_buf; |
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[754] | 317 | char localmes[1] = {0}; |
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[753] | 318 | |
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[759] | 319 | ROAR_DBG("roar_socket_send_fh(sock=%i, fh=%i, mes=%p, len=%u) = ?", sock, fh, mes, len); |
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| 320 | |
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[754] | 321 | if ( sock < 0 || fh < 0 ) |
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[753] | 322 | return -1; |
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| 323 | |
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[754] | 324 | if ( len == 0 ) { |
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| 325 | len = 1; |
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| 326 | mes = localmes; |
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| 327 | } |
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| 328 | |
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| 329 | memset(cmptr, 0, _SCMR_CONTROLLEN); |
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| 330 | |
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[753] | 331 | iov[0].iov_base = mes; |
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| 332 | iov[0].iov_len = len; |
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| 333 | msg.msg_iov = iov; |
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| 334 | msg.msg_iovlen = 1; |
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| 335 | msg.msg_name = NULL; |
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| 336 | msg.msg_namelen = 0; |
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| 337 | |
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| 338 | cmptr->cmsg_level = SOL_SOCKET; |
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| 339 | cmptr->cmsg_type = SCM_RIGHTS; |
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| 340 | cmptr->cmsg_len = _SCMR_CONTROLLEN; |
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| 341 | msg.msg_control = (caddr_t) cmptr; |
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| 342 | msg.msg_controllen = _SCMR_CONTROLLEN; |
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| 343 | *(int *)CMSG_DATA(cmptr) = fh; |
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| 344 | |
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| 345 | return sendmsg(sock, &msg, 0); |
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[1085] | 346 | #else |
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| 347 | ROAR_ERR("roar_socket_send_fh(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
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| 348 | return -1; |
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| 349 | #endif |
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[753] | 350 | } |
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| 351 | |
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| 352 | int roar_socket_recv_fh (int sock, char * mes, size_t * len) { |
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[4554] | 353 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_OS_SUNOS) && !defined(ROAR_TARGET_OPENVMS) |
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[753] | 354 | struct iovec iov[1]; |
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| 355 | struct msghdr msg; |
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| 356 | char cmptr_buf[_SCMR_CONTROLLEN]; |
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| 357 | struct cmsghdr * cmptr = (struct cmsghdr *) cmptr_buf; |
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[754] | 358 | char localmes[1]; |
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| 359 | size_t locallen[1] = {1}; |
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[753] | 360 | |
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[4256] | 361 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = ?", sock, mes, len); |
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| 362 | |
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| 363 | if ( sock < 0 ) { |
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| 364 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = -1 // invalid socket", sock, mes, len); |
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[753] | 365 | return -1; |
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[4256] | 366 | } |
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[753] | 367 | |
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[754] | 368 | if ( len == NULL ) { |
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| 369 | len = locallen; |
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| 370 | mes = localmes; |
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| 371 | } |
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| 372 | |
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[753] | 373 | iov[0].iov_base = mes; |
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| 374 | iov[0].iov_len = *len; |
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| 375 | msg.msg_iov = iov; |
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| 376 | msg.msg_iovlen = 1; |
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| 377 | msg.msg_name = NULL; |
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| 378 | msg.msg_namelen = 0; |
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| 379 | |
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| 380 | msg.msg_control = (caddr_t) cmptr; |
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| 381 | msg.msg_controllen = _SCMR_CONTROLLEN; |
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| 382 | |
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[4256] | 383 | if ( (*len = recvmsg(sock, &msg, 0)) == -1 ) { |
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| 384 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = -1 // can not read from socket", sock, mes, len); |
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[753] | 385 | return -1; |
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[4256] | 386 | } |
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[753] | 387 | |
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[4257] | 388 | if ( msg.msg_controllen < _SCMR_CONTROLLEN || |
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| 389 | cmptr->cmsg_len != _SCMR_CONTROLLEN ) { |
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[4256] | 390 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = -1 // control len is wrong", sock, mes, len); |
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[753] | 391 | return -1; |
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[4256] | 392 | } |
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[753] | 393 | |
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[4256] | 394 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = %i", sock, mes, len, *(int *)CMSG_DATA(cmptr)); |
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[753] | 395 | return *(int *)CMSG_DATA(cmptr); |
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[1085] | 396 | #else |
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| 397 | ROAR_ERR("roar_socket_recv_fh(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
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| 398 | return -1; |
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| 399 | #endif |
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[753] | 400 | } |
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| 401 | |
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[0] | 402 | int roar_socket_listen (int type, char * host, int port) { |
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| 403 | return roar_socket_open(MODE_LISTEN, type, host, port); |
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| 404 | } |
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| 405 | |
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| 406 | int roar_socket_connect (char * host, int port) { |
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[2] | 407 | char * proxy_type = getenv("ROAR_PROXY"); |
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| 408 | |
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[4692] | 409 | ROAR_DBG("roar_socket_connect(host='%s', port=%i) = ?", host, port); |
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| 410 | |
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[2] | 411 | if ( proxy_type == NULL || strcmp(proxy_type, "") == 0 ) { |
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| 412 | return roar_socket_open(MODE_CONNECT, ROAR_SOCKET_TYPE_UNKNOWN, host, port); |
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| 413 | } else { |
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[1087] | 414 | #ifdef ROAR_SUPPORT_PROXY |
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[2] | 415 | return roar_socket_open_proxy(MODE_CONNECT, ROAR_SOCKET_TYPE_UNKNOWN, host, port, proxy_type); |
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[1087] | 416 | #else |
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| 417 | ROAR_ERR("roar_socket_connect(host='%s', port=%i): no support for proxy code (proxy_type=%s)", host, port, proxy_type); |
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| 418 | return -1; |
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| 419 | #endif |
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[2] | 420 | } |
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[0] | 421 | } |
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| 422 | |
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[508] | 423 | |
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| 424 | int roar_socket_listen_decnet (char * object, int num) { |
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| 425 | #ifdef ROAR_HAVE_LIBDNET |
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| 426 | int fh = roar_socket_new_decnet_stream(); |
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| 427 | struct sockaddr_dn bind_sockaddr; |
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| 428 | |
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| 429 | if ( fh == -1 ) |
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| 430 | return -1; |
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| 431 | |
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| 432 | if ( !*object ) |
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| 433 | object = NULL; |
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| 434 | |
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| 435 | if ( (object && num) || (!*object && !num) ) { |
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| 436 | ROAR_WARN("roar_socket_listen_decnet(object='%s', num=%i): illegal address!", object, num); |
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| 437 | close(fh); |
---|
| 438 | return -1; |
---|
| 439 | } |
---|
| 440 | |
---|
| 441 | memset((void*)&bind_sockaddr, 0, sizeof(struct sockaddr_dn)); |
---|
| 442 | |
---|
| 443 | bind_sockaddr.sdn_family = AF_DECnet; |
---|
| 444 | bind_sockaddr.sdn_flags = 0; |
---|
| 445 | bind_sockaddr.sdn_objnum = num; |
---|
| 446 | |
---|
| 447 | if ( num ) { |
---|
| 448 | bind_sockaddr.sdn_objnamel = 0; |
---|
| 449 | } else { |
---|
[4073] | 450 | bind_sockaddr.sdn_objnamel = ROAR_HOST2LE16(strlen(object)); |
---|
[1068] | 451 | if ( bind_sockaddr.sdn_objnamel > DN_MAXOBJL ) |
---|
| 452 | bind_sockaddr.sdn_objnamel = DN_MAXOBJL; |
---|
| 453 | strncpy((char*)bind_sockaddr.sdn_objname, object, DN_MAXOBJL); |
---|
[508] | 454 | } |
---|
| 455 | |
---|
| 456 | if ( bind(fh, (struct sockaddr *) &bind_sockaddr, sizeof(bind_sockaddr)) == -1 ) { |
---|
| 457 | close(fh); |
---|
| 458 | return -1; |
---|
| 459 | } |
---|
| 460 | |
---|
| 461 | if ( listen(fh, 8) == -1 ) { |
---|
| 462 | close(fh); |
---|
| 463 | return -1; |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | return fh; |
---|
| 467 | #else |
---|
| 468 | return -1; |
---|
| 469 | #endif |
---|
| 470 | } |
---|
| 471 | |
---|
[5121] | 472 | const char * roar_socket_get_local_nodename(void) { |
---|
[521] | 473 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 474 | static char node[16] = {0}; |
---|
| 475 | struct dn_naddr *binaddr; |
---|
| 476 | struct nodeent *dp; |
---|
| 477 | |
---|
| 478 | if ( !node[0] ) { |
---|
| 479 | if ( (binaddr=getnodeadd()) == NULL) |
---|
| 480 | return NULL; |
---|
| 481 | |
---|
[3835] | 482 | if ( (dp=getnodebyaddr((char*)binaddr->a_addr, binaddr->a_len, AF_DECnet)) == NULL ) |
---|
[521] | 483 | return NULL; |
---|
| 484 | |
---|
| 485 | strncpy(node, dp->n_name, 15); |
---|
| 486 | node[15] = 0; |
---|
| 487 | } |
---|
| 488 | |
---|
| 489 | return node; |
---|
| 490 | #else |
---|
| 491 | return NULL; |
---|
| 492 | #endif |
---|
| 493 | } |
---|
| 494 | |
---|
[0] | 495 | int roar_socket_open (int mode, int type, char * host, int port) { |
---|
| 496 | // int type = ROAR_SOCKET_TYPE_INET; |
---|
| 497 | int fh; |
---|
[531] | 498 | #ifdef ROAR_HAVE_IPX |
---|
| 499 | #define _NEED_OBJ |
---|
[5184] | 500 | #endif |
---|
| 501 | #if defined(ROAR_HAVE_IPX) || defined(ROAR_HAVE_GETADDRINFO) |
---|
[531] | 502 | int ret; |
---|
| 503 | #endif |
---|
[3788] | 504 | #ifdef ROAR_HAVE_IPX |
---|
| 505 | unsigned int ipx_port; |
---|
| 506 | #endif |
---|
[3643] | 507 | #ifdef ROAR_HAVE_UNIX |
---|
| 508 | int abstract = 0; |
---|
| 509 | #endif |
---|
[1476] | 510 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) || defined(ROAR_HAVE_UNIX) || defined(ROAR_HAVE_IPX) |
---|
[512] | 511 | union { |
---|
[1359] | 512 | struct sockaddr sa; |
---|
[1361] | 513 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[512] | 514 | struct sockaddr_in in; |
---|
[1359] | 515 | #endif |
---|
[1090] | 516 | #ifdef ROAR_HAVE_UNIX |
---|
[512] | 517 | struct sockaddr_un un; |
---|
[1090] | 518 | #endif |
---|
[890] | 519 | #ifdef ROAR_HAVE_IPV6 |
---|
[514] | 520 | struct sockaddr_in6 in6; |
---|
[890] | 521 | #endif |
---|
[531] | 522 | #ifdef ROAR_HAVE_IPX |
---|
| 523 | struct sockaddr_ipx ipx; |
---|
| 524 | #endif |
---|
[512] | 525 | } socket_addr; |
---|
[4759] | 526 | socklen_t addrlen; |
---|
[1476] | 527 | #endif |
---|
[1359] | 528 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[0] | 529 | struct hostent * he; |
---|
[1359] | 530 | #endif |
---|
[0] | 531 | //unsigned int host_div = 0; |
---|
[3788] | 532 | #ifdef ROAR_TARGET_WIN32 |
---|
| 533 | int PASCAL (*mode_func)(SOCKET,const struct sockaddr*,int) = connect; // default is to connect |
---|
| 534 | #else |
---|
[0] | 535 | int (*mode_func)(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen) = connect; // default is to connect |
---|
[3788] | 536 | #endif |
---|
[501] | 537 | #ifdef ROAR_HAVE_LIBDNET |
---|
[531] | 538 | #define _NEED_OBJ |
---|
| 539 | #endif |
---|
| 540 | #ifdef _NEED_OBJ |
---|
[501] | 541 | char obj[80]; |
---|
| 542 | char * del; |
---|
| 543 | #endif |
---|
[4759] | 544 | int af_guessed = 0; |
---|
| 545 | #ifdef ROAR_HAVE_GETADDRINFO |
---|
| 546 | struct addrinfo hints, *res = NULL; |
---|
| 547 | char port_as_string[32]; |
---|
| 548 | #endif |
---|
[5098] | 549 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
| 550 | int is_numerical = 1; |
---|
| 551 | const char * numptr; |
---|
| 552 | #endif |
---|
[0] | 553 | |
---|
[4692] | 554 | ROAR_DBG("roar_socket_open(mode=%i, type=%i, host='%s', port=%i) = ?", mode, type, host, port); |
---|
| 555 | |
---|
[5184] | 556 | roar_err_set(ROAR_ERROR_UNKNOWN); |
---|
| 557 | |
---|
[0] | 558 | if ( mode == MODE_LISTEN ) |
---|
| 559 | mode_func = bind; |
---|
| 560 | |
---|
| 561 | if ( type == ROAR_SOCKET_TYPE_UNKNOWN ) { |
---|
[4759] | 562 | af_guessed = 1; |
---|
[0] | 563 | type = ROAR_SOCKET_TYPE_INET; |
---|
[69] | 564 | if ( *host == '/' ) { |
---|
[0] | 565 | type = ROAR_SOCKET_TYPE_UNIX; |
---|
[69] | 566 | } else if ( strcmp(host, "+fork") == 0 ) { |
---|
| 567 | type = ROAR_SOCKET_TYPE_FORK; |
---|
[3643] | 568 | } else if ( strcmp(host, "+abstract") == 0 ) { |
---|
| 569 | type = ROAR_SOCKET_TYPE_UNIX; |
---|
[3785] | 570 | #ifdef ROAR_HAVE_UNIX |
---|
[3643] | 571 | abstract = 1; |
---|
[3785] | 572 | #endif |
---|
[501] | 573 | } else if ( strstr(host, "::") != NULL ) { |
---|
| 574 | type = ROAR_SOCKET_TYPE_DECNET; |
---|
[531] | 575 | } else if ( host[strlen(host)-1] == ')' ) { |
---|
| 576 | type = ROAR_SOCKET_TYPE_IPX; |
---|
[69] | 577 | } |
---|
[0] | 578 | } |
---|
| 579 | |
---|
| 580 | |
---|
[4692] | 581 | ROAR_DBG("roar_socket_open(mode=%i, type=%i, host='%s', port=%i) = ?", mode, type, host, port); |
---|
| 582 | |
---|
[0] | 583 | ROAR_DBG("roar_socket_open(*): type=%s, host='%s', port=%i", |
---|
[3956] | 584 | type == ROAR_SOCKET_TYPE_UNIX ? "UNIX" : "???", host, port); |
---|
[0] | 585 | |
---|
[501] | 586 | if ( type == ROAR_SOCKET_TYPE_DECNET ) { |
---|
| 587 | #ifdef ROAR_HAVE_LIBDNET |
---|
[508] | 588 | ROAR_DBG("roar_socket_open(*): hostname for DECnet: host(%p)=%s", host, host); |
---|
[501] | 589 | del = strstr(host, "::"); |
---|
[508] | 590 | ROAR_DBG("roar_socket_open(*): hostname for DECnet: del(%p)=%s", del, del); |
---|
| 591 | |
---|
| 592 | if ( del == NULL ) { |
---|
| 593 | ROAR_WARN("roar_socket_open(*): invalid hostname for DECnet: %s", host); |
---|
[5184] | 594 | roar_err_set(ROAR_ERROR_INVAL); |
---|
[508] | 595 | return -1; |
---|
| 596 | } |
---|
| 597 | |
---|
[501] | 598 | *del = 0; |
---|
| 599 | |
---|
| 600 | if ( *(del+2) == '#' ) { // assume we have node::#num |
---|
| 601 | port = atoi(del+2); |
---|
| 602 | } |
---|
| 603 | |
---|
| 604 | if ( port ) { |
---|
[1067] | 605 | snprintf(obj, 7, "%i", port); // no need for snprintf() as dec(port) is smaller than obj[] |
---|
[501] | 606 | } else { |
---|
| 607 | *obj = 0; |
---|
| 608 | strncat(obj, del+2, 79); |
---|
| 609 | } |
---|
| 610 | |
---|
[5137] | 611 | ROAR_DBG("roar_socket_open(*): obj='%s', port=%i", obj, port); |
---|
| 612 | |
---|
[508] | 613 | if ( mode == MODE_LISTEN ) { |
---|
| 614 | fh = roar_socket_listen_decnet(obj, port); |
---|
| 615 | *del = ':'; |
---|
| 616 | return fh; |
---|
| 617 | } else { |
---|
| 618 | // There is nothing wrong in this case to use dnet_conn() so we do. |
---|
[5137] | 619 | ROAR_DBG("roar_socket_open(*): CALL dnet_conn('%s', '%s', SOCK_STREAM, 0 ,0 ,0 , 0)", host, obj); |
---|
[501] | 620 | fh = dnet_conn(host, obj, SOCK_STREAM, 0 ,0 ,0 , 0); |
---|
[5137] | 621 | ROAR_DBG("roar_socket_open(*): RET %i", fh); |
---|
[501] | 622 | *del = ':'; |
---|
| 623 | return fh; |
---|
[533] | 624 | } |
---|
[501] | 625 | #else |
---|
[5184] | 626 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[533] | 627 | return -1; // no decnet support |
---|
[501] | 628 | #endif |
---|
| 629 | } |
---|
| 630 | |
---|
[1359] | 631 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[512] | 632 | memset(&socket_addr, 0, sizeof(socket_addr)); |
---|
[60] | 633 | memset(&he, 0, sizeof(he)); // FIXME: we have a valid pointer in here???? |
---|
[1359] | 634 | #endif |
---|
[0] | 635 | |
---|
| 636 | |
---|
[520] | 637 | if ( type == ROAR_SOCKET_TYPE_INET || type == ROAR_SOCKET_TYPE_INET6 ) { |
---|
[1359] | 638 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[0] | 639 | |
---|
[3956] | 640 | ROAR_DBG("roar_socket_open(*): type=INET|INET6, host='%s', port=%i", host, port); |
---|
[2039] | 641 | |
---|
[1768] | 642 | roar_socket_win32_init(); // we need to do this early as gethostbyname() requires this. |
---|
| 643 | |
---|
[3956] | 644 | ROAR_DBG("roar_socket_open(*): type=INET|INET6, host='%s', port=%i", host, port); |
---|
| 645 | |
---|
[5098] | 646 | if ( !!strcmp(host, "0.0.0.0") ) { |
---|
| 647 | for (numptr = host; is_numerical && *numptr != 0; numptr++) |
---|
| 648 | if ( ! ((*numptr >= '0' && *numptr <= '9') || *numptr == '.') ) |
---|
| 649 | is_numerical = 0; |
---|
| 650 | |
---|
[5138] | 651 | if ( is_numerical && roar_libroar_iswarn(NULL) ) { |
---|
[5098] | 652 | ROAR_WARN("roar_socket_open(*): Hostname \"%s\" is numerical. Do not use IP addresses directly. Use Hostnames.", host); |
---|
| 653 | } |
---|
| 654 | } |
---|
| 655 | |
---|
[4759] | 656 | #ifdef ROAR_HAVE_GETADDRINFO |
---|
| 657 | memset(&hints, 0, sizeof(hints)); |
---|
| 658 | hints.ai_socktype = SOCK_STREAM; |
---|
| 659 | if ( af_guessed ) { |
---|
| 660 | hints.ai_family = AF_UNSPEC; |
---|
| 661 | } else { |
---|
| 662 | hints.ai_family = type == ROAR_SOCKET_TYPE_INET ? AF_INET : AF_INET6; |
---|
| 663 | } |
---|
| 664 | |
---|
| 665 | snprintf(port_as_string, sizeof(port_as_string), "%i", port); |
---|
| 666 | |
---|
[5184] | 667 | ret = getaddrinfo(host, port_as_string, &hints, &res); |
---|
| 668 | switch (ret) { |
---|
| 669 | case 0: /* no error */; break; |
---|
[5203] | 670 | #ifdef EAI_ADDRFAMILY |
---|
[5184] | 671 | case EAI_ADDRFAMILY: roar_err_set(ROAR_ERROR_NOENT); break; |
---|
[5203] | 672 | #endif |
---|
[5184] | 673 | case EAI_AGAIN: roar_err_set(ROAR_ERROR_AGAIN); break; |
---|
| 674 | case EAI_BADFLAGS: roar_err_set(ROAR_ERROR_INVAL); break; |
---|
| 675 | case EAI_FAIL: roar_err_set(ROAR_ERROR_RIO); break; |
---|
| 676 | case EAI_FAMILY: roar_err_set(ROAR_ERROR_AFNOTSUP); break; |
---|
| 677 | case EAI_MEMORY: roar_err_set(ROAR_ERROR_NOMEM); break; |
---|
[5203] | 678 | #ifdef EAI_NODATA |
---|
[5184] | 679 | case EAI_NODATA: roar_err_set(ROAR_ERROR_NODATA); break; |
---|
[5203] | 680 | #endif |
---|
[5184] | 681 | case EAI_NONAME: roar_err_set(ROAR_ERROR_NOENT); break; |
---|
| 682 | case EAI_SERVICE: roar_err_set(ROAR_ERROR_PROTONOSUP); break; |
---|
| 683 | case EAI_SOCKTYPE: roar_err_set(ROAR_ERROR_INVAL); break; |
---|
| 684 | case EAI_SYSTEM: roar_err_from_errno(); break; |
---|
| 685 | default: |
---|
| 686 | roar_err_set(ROAR_ERROR_UNKNOWN); |
---|
| 687 | break; |
---|
| 688 | } |
---|
| 689 | if ( ret != 0 ) |
---|
[4759] | 690 | return -1; |
---|
| 691 | |
---|
| 692 | if ( af_guessed ) { |
---|
| 693 | type = res->ai_family == AF_INET ? ROAR_SOCKET_TYPE_INET : ROAR_SOCKET_TYPE_INET6; |
---|
| 694 | } |
---|
| 695 | |
---|
| 696 | if ( type == ROAR_SOCKET_TYPE_INET ) { |
---|
| 697 | fh = roar_socket_new_tcp(); |
---|
| 698 | } else { |
---|
| 699 | fh = roar_socket_new_tcp6(); |
---|
| 700 | } |
---|
| 701 | |
---|
| 702 | memcpy(&(socket_addr.sa), res->ai_addr, res->ai_addrlen); |
---|
| 703 | addrlen = res->ai_addrlen; |
---|
| 704 | |
---|
| 705 | if ( res != NULL ) |
---|
| 706 | freeaddrinfo(res); |
---|
| 707 | #else |
---|
[0] | 708 | if ( (he = gethostbyname(host)) == NULL ) { |
---|
| 709 | ROAR_ERR("roar_socket_open(*): Can\'t resolve host name '%s'", |
---|
| 710 | host); |
---|
[5184] | 711 | roar_err_from_errno(); |
---|
[0] | 712 | return -1; |
---|
| 713 | } |
---|
| 714 | |
---|
[4692] | 715 | ROAR_DBG("roar_socket_open(*): he=%p", he); |
---|
| 716 | |
---|
[4759] | 717 | memcpy((struct in_addr *)&(socket_addr.in.sin_addr), he->h_addr, sizeof(struct in_addr)); |
---|
[0] | 718 | |
---|
[520] | 719 | /* set the connect information */ |
---|
| 720 | socket_addr.in.sin_family = AF_INET; |
---|
| 721 | socket_addr.in.sin_port = ROAR_HOST2NET16(port); |
---|
| 722 | |
---|
[2039] | 723 | fh = roar_socket_new_tcp(); |
---|
[4759] | 724 | addrlen = sizeof(struct sockaddr_in); |
---|
| 725 | #endif |
---|
[2039] | 726 | |
---|
[4692] | 727 | ROAR_DBG("roar_socket_open(*): fh=%i", fh); |
---|
| 728 | |
---|
[2039] | 729 | if ( fh == -1 ) { |
---|
| 730 | ROAR_ERR("roar_socket_open(*): Can\'t create TCP socket: %s", strerror(errno)); |
---|
| 731 | return -1; |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | ROAR_DBG("roar_socket_open(*) = ?"); |
---|
[0] | 735 | |
---|
[4692] | 736 | ROAR_DBG("roar_socket_open(*): fh=%i", fh); |
---|
| 737 | |
---|
[4759] | 738 | if ( mode_func(fh, (struct sockaddr *)&socket_addr.sa, addrlen) == -1 ) { |
---|
[520] | 739 | ROAR_DBG("roar_socket_open(*): Can not connect/bind: %s", strerror(errno)); |
---|
[5184] | 740 | roar_err_from_errno(); |
---|
[520] | 741 | close(fh); |
---|
| 742 | return -1; |
---|
| 743 | } |
---|
[4692] | 744 | |
---|
| 745 | ROAR_DBG("roar_socket_open(*): fh=%i", fh); |
---|
| 746 | |
---|
[0] | 747 | // hey! we have a socket... |
---|
[2040] | 748 | ROAR_DBG("roar_socket_open(*) = ? // we have a socket :)"); |
---|
[1359] | 749 | #else |
---|
[4692] | 750 | ROAR_DBG("roar_socket_open(*) = -1 // no IPv4 or IPv6 support"); |
---|
[5184] | 751 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[1359] | 752 | return -1; |
---|
| 753 | #endif |
---|
[69] | 754 | } else if ( type == ROAR_SOCKET_TYPE_UNIX ) { |
---|
[1090] | 755 | #ifdef ROAR_HAVE_UNIX |
---|
[512] | 756 | socket_addr.un.sun_family = AF_UNIX; |
---|
[3643] | 757 | |
---|
| 758 | if ( abstract ) { |
---|
| 759 | memset(socket_addr.un.sun_path, 0, sizeof(socket_addr.un.sun_path)); |
---|
| 760 | snprintf(socket_addr.un.sun_path+1, sizeof(socket_addr.un.sun_path)-1, "RoarAudio/UNIX/Abstract/%i", abstract); |
---|
| 761 | } else { |
---|
| 762 | strncpy(socket_addr.un.sun_path, host, sizeof(socket_addr.un.sun_path) - 1); |
---|
| 763 | } |
---|
[60] | 764 | |
---|
[0] | 765 | fh = roar_socket_new_unix(); |
---|
[60] | 766 | |
---|
[512] | 767 | if ( mode_func(fh, (struct sockaddr *)&socket_addr.un, sizeof(struct sockaddr_un)) == -1 ) { |
---|
[60] | 768 | ROAR_DBG("roar_socket_open(*): Can not connect/bind: %s", strerror(errno)); |
---|
[5184] | 769 | roar_err_from_errno(); |
---|
[60] | 770 | close(fh); |
---|
| 771 | return -1; |
---|
| 772 | } |
---|
[1090] | 773 | #else |
---|
| 774 | ROAR_ERR("roar_socket_open(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
---|
[5184] | 775 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[1090] | 776 | return -1; |
---|
| 777 | #endif |
---|
[531] | 778 | } else if ( type == ROAR_SOCKET_TYPE_IPX ) { |
---|
[534] | 779 | #ifdef ROAR_HAVE_IPX |
---|
[531] | 780 | socket_addr.ipx.sipx_family = AF_IPX; |
---|
| 781 | |
---|
| 782 | obj[0] = 0; |
---|
| 783 | |
---|
[3788] | 784 | if ( (ret = sscanf(host, "%8x.%12s(%x)", &socket_addr.ipx.sipx_network, obj, &ipx_port)) < 2 ) { |
---|
[531] | 785 | return -1; |
---|
[3788] | 786 | socket_addr.ipx.sipx_port = ipx_port; |
---|
[531] | 787 | } else if ( ret == 2 ) { |
---|
| 788 | socket_addr.ipx.sipx_port = port; // Network Byte Order? |
---|
| 789 | } |
---|
| 790 | |
---|
| 791 | memset(socket_addr.ipx.sipx_node, 0, IPX_NODE_LEN); |
---|
| 792 | ret = strlen(obj); |
---|
| 793 | |
---|
| 794 | if ( ret % 2 ) // needs to be even at the moment |
---|
| 795 | return -1; |
---|
| 796 | |
---|
| 797 | fh = roar_socket_new_ipx(); |
---|
| 798 | |
---|
| 799 | close(fh); |
---|
[5184] | 800 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[531] | 801 | return -1; |
---|
[534] | 802 | #else |
---|
[5184] | 803 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[534] | 804 | return -1; |
---|
| 805 | #endif |
---|
[69] | 806 | } else if ( type == ROAR_SOCKET_TYPE_FORK ) { |
---|
| 807 | return roar_socket_open_fork(mode, host, port); |
---|
[75] | 808 | } else if ( type == ROAR_SOCKET_TYPE_FILE ) { |
---|
| 809 | return roar_socket_open_file(mode, host, port); |
---|
[69] | 810 | } else { |
---|
[5184] | 811 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[69] | 812 | return -1; |
---|
[0] | 813 | } |
---|
| 814 | |
---|
[1476] | 815 | if ( mode == MODE_LISTEN ) { |
---|
[2040] | 816 | #if defined(ROAR_HAVE_BSDSOCKETS) || defined(ROAR_TARGET_WIN32) |
---|
[0] | 817 | if ( listen(fh, ROAR_SOCKET_QUEUE_LEN) == -1 ) { |
---|
[5184] | 818 | roar_err_from_errno(); |
---|
[0] | 819 | close(fh); |
---|
| 820 | return -1; |
---|
| 821 | } |
---|
[1476] | 822 | #else |
---|
[5184] | 823 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1476] | 824 | return -1; |
---|
| 825 | #endif |
---|
| 826 | } |
---|
[0] | 827 | |
---|
| 828 | return fh; |
---|
| 829 | } |
---|
| 830 | |
---|
[69] | 831 | int roar_socket_open_fork (int mode, char * host, int port) { |
---|
[1440] | 832 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
---|
[3628] | 833 | char * daemonimage; |
---|
[69] | 834 | int socks[2]; |
---|
| 835 | int r; |
---|
| 836 | char fhstr[8]; |
---|
| 837 | |
---|
| 838 | if ( mode == MODE_LISTEN ) |
---|
| 839 | return -1; |
---|
| 840 | |
---|
[3628] | 841 | // TODO: FIXME: we should move this into the config structure. |
---|
| 842 | daemonimage = getenv("ROAR_DAEMONIMAGE"); |
---|
| 843 | |
---|
| 844 | if ( daemonimage == NULL || *daemonimage == 0 ) |
---|
| 845 | daemonimage = "roard"; |
---|
| 846 | |
---|
[69] | 847 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
---|
| 848 | return -1; |
---|
| 849 | } |
---|
| 850 | |
---|
| 851 | r = fork(); |
---|
| 852 | |
---|
| 853 | if ( r == -1 ) { // error! |
---|
| 854 | ROAR_ERR("roar_socket_open_fork(*): Can not fork: %s", strerror(errno)); |
---|
| 855 | close(socks[0]); |
---|
| 856 | close(socks[1]); |
---|
| 857 | return -1; |
---|
| 858 | } else if ( r == 0 ) { // we are the child |
---|
| 859 | close(socks[0]); |
---|
| 860 | |
---|
[70] | 861 | close(ROAR_STDIN ); // we do not want roard to have any standard input |
---|
| 862 | close(ROAR_STDOUT); // STDOUT is also not needed, so we close it, |
---|
| 863 | // but STDERR we keep open for error messages. |
---|
| 864 | |
---|
[69] | 865 | snprintf(fhstr, 7, "%i", socks[1]); |
---|
| 866 | |
---|
[3628] | 867 | execlp(daemonimage, daemonimage, "--no-listen", "--client-fh", fhstr, (char*)NULL); |
---|
[69] | 868 | |
---|
| 869 | // we are still alive? |
---|
| 870 | ROAR_ERR("roar_socket_open_fork(*): alive after exec(), that's bad!"); |
---|
| 871 | _exit(1); |
---|
| 872 | } else { // we are the parent |
---|
| 873 | close(socks[1]); |
---|
| 874 | return socks[0]; |
---|
| 875 | } |
---|
| 876 | |
---|
| 877 | return -1; |
---|
[1093] | 878 | #else |
---|
| 879 | ROAR_ERR("roar_socket_open_fork(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
---|
| 880 | return -1; |
---|
| 881 | #endif |
---|
[69] | 882 | } |
---|
| 883 | |
---|
[75] | 884 | int roar_socket_open_file (int mode, char * host, int port) { |
---|
[1476] | 885 | #ifdef ROAR_HAVE_IO_POSIX |
---|
[75] | 886 | int fh; |
---|
| 887 | |
---|
| 888 | if ( mode == MODE_LISTEN ) |
---|
| 889 | return -1; |
---|
| 890 | |
---|
| 891 | if ( (fh = open(host, O_RDONLY, 0644)) == -1 ) { |
---|
| 892 | ROAR_ERR("roar_socket_open_file(*): Can not open file %s: %s", host, strerror(errno)); |
---|
| 893 | } |
---|
| 894 | |
---|
| 895 | return fh; |
---|
[1476] | 896 | #else |
---|
| 897 | return -1; |
---|
| 898 | #endif |
---|
[75] | 899 | } |
---|
| 900 | |
---|
[2] | 901 | // --- [ PROXY CODE ] --- |
---|
| 902 | |
---|
[3901] | 903 | #ifndef ROAR_HAVE_IO_POSIX |
---|
| 904 | #ifdef ROAR_SUPPORT_PROXY |
---|
| 905 | #undef ROAR_SUPPORT_PROXY |
---|
| 906 | #endif |
---|
| 907 | #endif |
---|
| 908 | |
---|
[2] | 909 | // generic proxy code: |
---|
| 910 | |
---|
[1087] | 911 | #ifdef ROAR_SUPPORT_PROXY |
---|
[2] | 912 | int roar_socket_open_proxy (int mode, int type, char * host, int port, char * proxy_type) { |
---|
[829] | 913 | int proxy_port = -1; |
---|
[2] | 914 | char proxy_host[ROAR_SOCKET_MAX_HOSTNAMELEN]; |
---|
[829] | 915 | char * proxy_addr = NULL; |
---|
[2] | 916 | int i; |
---|
[829] | 917 | int fh = -1; |
---|
[835] | 918 | char * user = NULL, * pw = NULL, * opts = NULL; |
---|
[836] | 919 | char * sep; |
---|
[838] | 920 | int no_fh = 0; |
---|
[1008] | 921 | char proxy_addr_buf[1024]; |
---|
[835] | 922 | static struct passwd * passwd; |
---|
[834] | 923 | int (* code)(int mode, int fh, char * host, int port, char * user, char * pw, char * opts) = NULL; |
---|
[2] | 924 | |
---|
[835] | 925 | if ( passwd == NULL ) { |
---|
| 926 | passwd = getpwuid(getuid()); |
---|
| 927 | } |
---|
| 928 | |
---|
[3897] | 929 | // TODO: fix this in a good way |
---|
| 930 | #ifndef ROAR_TARGET_MICROCONTROLLER |
---|
[835] | 931 | if ( passwd != NULL ) |
---|
| 932 | user = passwd->pw_name; |
---|
[3897] | 933 | #endif |
---|
[835] | 934 | |
---|
| 935 | if ( user == NULL ) |
---|
| 936 | user = getenv("USER"); |
---|
| 937 | |
---|
[2] | 938 | // TODO: change this so we support listen() proxys (ssh -R) |
---|
| 939 | if ( mode != MODE_CONNECT ) |
---|
| 940 | return -1; |
---|
| 941 | |
---|
[829] | 942 | if ( !strncmp(proxy_type, "socks", 5) ) { |
---|
[2] | 943 | proxy_addr = getenv("socks_proxy"); |
---|
| 944 | |
---|
| 945 | proxy_port = 9050; // TOR's default port |
---|
[832] | 946 | } else if ( !strcmp(proxy_type, "http") || !strcmp(proxy_type, "https") ) { |
---|
[830] | 947 | proxy_port = 8080; |
---|
[2] | 948 | |
---|
[832] | 949 | if ( (proxy_addr = getenv("http_proxy")) == NULL ) |
---|
| 950 | proxy_addr = getenv("https_proxy"); |
---|
| 951 | |
---|
[2] | 952 | if ( proxy_addr == NULL ) |
---|
| 953 | return -1; |
---|
| 954 | |
---|
[830] | 955 | if ( !strncmp(proxy_addr, "http://", 7) ) |
---|
| 956 | proxy_addr += 7; |
---|
[838] | 957 | } else if ( !strncmp(proxy_type, "ssh", 3) ) { |
---|
| 958 | proxy_port = 22; |
---|
| 959 | proxy_addr = getenv("ssh_proxy"); |
---|
| 960 | no_fh = 1; |
---|
[830] | 961 | } |
---|
[2] | 962 | |
---|
[1008] | 963 | proxy_addr_buf[1023] = 0; |
---|
| 964 | strncpy(proxy_addr_buf, proxy_addr, 1023); |
---|
| 965 | proxy_addr = proxy_addr_buf; |
---|
| 966 | |
---|
[837] | 967 | if ( (sep = strstr(proxy_type, "/")) != NULL ) |
---|
| 968 | opts = sep+1; |
---|
| 969 | |
---|
[830] | 970 | if ( proxy_addr == NULL ) |
---|
| 971 | return -1; |
---|
[2] | 972 | |
---|
[836] | 973 | if ( (sep = strstr(proxy_addr, "@")) != NULL ) { |
---|
| 974 | *sep = 0; |
---|
| 975 | user = proxy_addr; |
---|
| 976 | proxy_addr = sep+1; |
---|
| 977 | |
---|
| 978 | if ( (sep = strstr(user, ":")) != NULL ) { |
---|
| 979 | *sep = 0; |
---|
| 980 | pw = sep+1; |
---|
| 981 | } |
---|
| 982 | } |
---|
| 983 | |
---|
[1008] | 984 | ROAR_DBG("roar_socket_open_proxy(*): proxy_type='%s', opts='%s', user='%s', pw=(not shown), proxy_addr='%s'", proxy_type, opts, user, proxy_addr); |
---|
| 985 | |
---|
[4028] | 986 | for (i = 0; proxy_addr[i] != 0 && proxy_addr[i] != ':' && i < (ROAR_SOCKET_MAX_HOSTNAMELEN - 1); i++) |
---|
[830] | 987 | proxy_host[i] = proxy_addr[i]; |
---|
| 988 | proxy_host[i] = 0; |
---|
[2] | 989 | |
---|
[830] | 990 | if ( i == 0 ) // no hostname found |
---|
| 991 | return -1; |
---|
| 992 | |
---|
| 993 | if ( proxy_addr[i] == ':' ) |
---|
| 994 | proxy_port = atoi(&proxy_addr[i+1]); |
---|
| 995 | |
---|
[838] | 996 | if ( ! no_fh ) { |
---|
| 997 | if ( (fh = roar_socket_open(mode, type, proxy_host, proxy_port)) == -1) { |
---|
| 998 | return -1; |
---|
| 999 | } |
---|
[829] | 1000 | } |
---|
[2] | 1001 | |
---|
[829] | 1002 | if ( !strcmp(proxy_type, "socks4a") ) { // for TOR, the only supported type at the moment |
---|
[833] | 1003 | code = roar_socket_open_socks4a; |
---|
| 1004 | } else if ( !strcmp(proxy_type, "socks4d") ) { // DECnet |
---|
| 1005 | code = roar_socket_open_socks4d; |
---|
| 1006 | } else if ( !strcmp(proxy_type, "socks4") ) { // good old SOCKS4 |
---|
| 1007 | code = roar_socket_open_socks4; |
---|
| 1008 | } else if ( !strcmp(proxy_type, "http") ) { // HTTP CONNECT |
---|
| 1009 | code = roar_socket_open_http; |
---|
[839] | 1010 | } else if ( !strncmp(proxy_type, "ssh", 3) ) { // SSH... |
---|
[1063] | 1011 | #ifdef ROAR_HAVE_BIN_SSH |
---|
[839] | 1012 | code = roar_socket_open_ssh; |
---|
[1063] | 1013 | #else |
---|
| 1014 | ROAR_ERR("roar_socket_open_proxy(*): No SSH support compiled in"); |
---|
| 1015 | #endif |
---|
[833] | 1016 | } else { |
---|
| 1017 | return -1; // unknown type |
---|
| 1018 | } |
---|
[2] | 1019 | |
---|
[833] | 1020 | if ( code != NULL ) { |
---|
[838] | 1021 | if ( no_fh ) { |
---|
| 1022 | fh = code(mode, fh, host, port, user, pw, opts); |
---|
| 1023 | } else { |
---|
| 1024 | if ( code(mode, fh, host, port, user, pw, opts) == -1 ) { |
---|
| 1025 | close(fh); |
---|
| 1026 | return -1; |
---|
| 1027 | } |
---|
[829] | 1028 | } |
---|
| 1029 | |
---|
| 1030 | return fh; |
---|
[833] | 1031 | } |
---|
[829] | 1032 | |
---|
[833] | 1033 | close(fh); |
---|
| 1034 | return -1; |
---|
[2] | 1035 | } |
---|
| 1036 | |
---|
| 1037 | // protocoll dependet proxy code: |
---|
| 1038 | |
---|
[834] | 1039 | int roar_socket_open_socks4 (int mode, int fh, char * host, int port, char * user, char * pw, char * opts) { |
---|
[3897] | 1040 | #ifndef ROAR_TARGET_MICROCONTROLLER |
---|
[829] | 1041 | struct hostent * he; |
---|
| 1042 | |
---|
| 1043 | if ( (he = gethostbyname(host)) == NULL ) { |
---|
| 1044 | ROAR_ERR("roar_socket_open_socks4(*): Can\'t resolve host name '%s'", host); |
---|
| 1045 | return -1; |
---|
| 1046 | } |
---|
| 1047 | |
---|
[834] | 1048 | return roar_socket_open_socks4x(mode, fh, he->h_addr, port, NULL, 0, user); |
---|
[3897] | 1049 | #else |
---|
| 1050 | return -1; |
---|
| 1051 | #endif |
---|
[829] | 1052 | } |
---|
| 1053 | |
---|
[834] | 1054 | int roar_socket_open_socks4a(int mode, int fh, char * host, int port, char * user, char * pw, char * opts) { |
---|
| 1055 | return roar_socket_open_socks4x(mode, fh, "\0\0\0\1", port, host, strlen(host)+1, user); |
---|
[829] | 1056 | } |
---|
| 1057 | |
---|
[834] | 1058 | int roar_socket_open_socks4d(int mode, int fh, char * host, int port, char * user, char * pw, char * opts) { |
---|
[829] | 1059 | size_t len = strlen(host)+1; |
---|
| 1060 | char * dp; |
---|
| 1061 | |
---|
| 1062 | if ( port == 0 ) { |
---|
| 1063 | if ( (dp = strstr(host, "::")) == NULL ) |
---|
| 1064 | return -1; |
---|
| 1065 | |
---|
| 1066 | len--; |
---|
| 1067 | *dp = 0; |
---|
| 1068 | memmove(dp+1, dp+2, len - (dp-host) - 1); |
---|
| 1069 | } |
---|
| 1070 | |
---|
[834] | 1071 | return roar_socket_open_socks4x(mode, fh, "\0\2\0\0", port, host, len, user); |
---|
[829] | 1072 | } |
---|
| 1073 | |
---|
[834] | 1074 | int roar_socket_open_socks4x(int mode, int fh, char host[4], int port, char * app, size_t app_len, char * user) { |
---|
[2] | 1075 | char buf[9]; |
---|
[835] | 1076 | int len; |
---|
[2] | 1077 | |
---|
| 1078 | buf[0] = 0x04; |
---|
| 1079 | buf[1] = mode == MODE_CONNECT ? 0x01 : 0x02; |
---|
| 1080 | *((uint16_t*)&buf[2]) = htons(port); |
---|
[829] | 1081 | memcpy(buf+4, host, 4); |
---|
[835] | 1082 | |
---|
| 1083 | if ( user == NULL ) { |
---|
| 1084 | buf[8] = 0x00; |
---|
| 1085 | len = 9; |
---|
| 1086 | } else { |
---|
| 1087 | len = 8; |
---|
| 1088 | } |
---|
[2] | 1089 | |
---|
[835] | 1090 | if ( write(fh, buf, len) != len ) |
---|
[2] | 1091 | return -1; |
---|
| 1092 | |
---|
[835] | 1093 | if ( user != NULL ) { |
---|
| 1094 | len = strlen(user) + 1; |
---|
| 1095 | if ( write(fh, user, len) != len ) |
---|
| 1096 | return -1; |
---|
| 1097 | } |
---|
| 1098 | |
---|
[829] | 1099 | if ( app_len > 0 ) |
---|
| 1100 | if ( write(fh, app, app_len) != app_len ) |
---|
| 1101 | return -1; |
---|
[2] | 1102 | |
---|
| 1103 | if ( read(fh, buf, 8) != 8 ) |
---|
| 1104 | return -1; |
---|
| 1105 | |
---|
| 1106 | if ( buf[1] != 0x5a ) |
---|
| 1107 | return -1; |
---|
| 1108 | |
---|
| 1109 | return 0; |
---|
| 1110 | } |
---|
| 1111 | |
---|
[834] | 1112 | int roar_socket_open_http (int mode, int fh, char * host, int port, char * user, char * pw, char * opts) { |
---|
[831] | 1113 | char buf[1024]; |
---|
| 1114 | int len; |
---|
| 1115 | |
---|
| 1116 | if ( port == 0 || host == NULL ) |
---|
| 1117 | return -1; |
---|
| 1118 | |
---|
| 1119 | if ( *host == '/' ) // AF_UNIX |
---|
| 1120 | return -1; |
---|
| 1121 | |
---|
| 1122 | if ( (len = snprintf(buf, 1024, "CONNECT %s:%i HTTP/1.0\r\nUser-Agent: libroar\r\n\r\n", host, port)) == -1 ) |
---|
| 1123 | return -1; |
---|
| 1124 | |
---|
| 1125 | if ( write(fh, buf, len) != len ) |
---|
| 1126 | return -1; |
---|
| 1127 | |
---|
| 1128 | while ( (len = read(fh, buf, 1024)) ) { |
---|
| 1129 | if ( len == 1024 ) { // overlong lion |
---|
| 1130 | return -1; |
---|
| 1131 | } else if ( len == 2 && buf[0] == '\r' && buf[1] == '\n' ) { |
---|
| 1132 | break; |
---|
| 1133 | } else if ( len == 1 && (buf[0] == '\r' || buf[0] == '\n') ) { // bad proxy or devel trying to debug ;) |
---|
| 1134 | break; |
---|
| 1135 | } else if ( len >= 4 && buf[len-4] == '\r' && buf[len-3] == '\n' && buf[len-2] == '\r' && buf[len-1] == '\n' ) { |
---|
| 1136 | break; |
---|
| 1137 | } |
---|
| 1138 | } |
---|
| 1139 | |
---|
| 1140 | return 0; |
---|
[830] | 1141 | } |
---|
| 1142 | |
---|
[839] | 1143 | |
---|
[1063] | 1144 | #ifdef ROAR_HAVE_BIN_SSH |
---|
[839] | 1145 | int roar_socket_open_ssh (int mode, int fh, char * host, int port, char * user, char * pw, char * opts) { |
---|
| 1146 | char * proxy_addr = getenv("ssh_proxy"); |
---|
| 1147 | char * sep; |
---|
| 1148 | char cmd[1024] = {0}, rcmd[1024] = {0}; |
---|
| 1149 | int proxy_port = 22; |
---|
[840] | 1150 | int use_socat = 0; |
---|
[839] | 1151 | int r; |
---|
| 1152 | int socks[2]; |
---|
| 1153 | |
---|
| 1154 | if ( host == NULL ) |
---|
| 1155 | return -1; |
---|
| 1156 | |
---|
| 1157 | if ( *host == '/' ) |
---|
[840] | 1158 | use_socat = 1; |
---|
[839] | 1159 | |
---|
| 1160 | if ( mode == MODE_LISTEN ) |
---|
| 1161 | return -1; |
---|
| 1162 | |
---|
| 1163 | if ( proxy_addr == NULL ) |
---|
| 1164 | return -1; |
---|
| 1165 | |
---|
[840] | 1166 | if ( opts != NULL ) { |
---|
| 1167 | if ( !strcmp(opts, "socat") ) { |
---|
| 1168 | use_socat = 1; |
---|
| 1169 | } else if ( !strcmp(opts, "netcat") ) { |
---|
| 1170 | use_socat = 0; |
---|
| 1171 | } else { |
---|
| 1172 | return -1; |
---|
| 1173 | } |
---|
| 1174 | } |
---|
| 1175 | |
---|
[1008] | 1176 | ROAR_DBG("roar_socket_open_ssh(*): proxy_addr='%s'", proxy_addr); |
---|
| 1177 | |
---|
[839] | 1178 | if ( (sep = strstr(proxy_addr, "@")) != NULL ) |
---|
| 1179 | proxy_addr = sep+1; |
---|
| 1180 | |
---|
| 1181 | if ( (sep = strstr(proxy_addr, ":")) != NULL ) { |
---|
| 1182 | *sep = 0; |
---|
| 1183 | proxy_port = atoi(sep+1); |
---|
| 1184 | } |
---|
| 1185 | |
---|
| 1186 | |
---|
| 1187 | if ( !strcmp(host, "+fork") ) { |
---|
[1068] | 1188 | strncpy(rcmd, "roard --no-listen --client-fh 0", 32); |
---|
[839] | 1189 | } else { |
---|
[840] | 1190 | if ( use_socat ) { |
---|
| 1191 | if ( *host == '/' ) { |
---|
| 1192 | snprintf(rcmd, 1023, "socat stdio unix-connect:\"%s\"", host); |
---|
| 1193 | } else { |
---|
| 1194 | snprintf(rcmd, 1023, "socat stdio tcp:\"%s\":%i", host, port); |
---|
| 1195 | } |
---|
| 1196 | } else { |
---|
| 1197 | snprintf(rcmd, 1023, "$(which netcat nc 2> /dev/null | grep -v \" \" | head -n 1) \"%s\" %i", host, port); |
---|
| 1198 | } |
---|
| 1199 | |
---|
[839] | 1200 | rcmd[1023] = 0; |
---|
| 1201 | } |
---|
| 1202 | |
---|
[1008] | 1203 | ROAR_DBG("roar_socket_open_ssh(*): proxy_port=%i, user='%s', proxy_addr='%s'", proxy_port, user, proxy_addr); |
---|
[1033] | 1204 | ROAR_DBG("roar_socket_open_ssh(*): rcmd: %s", rcmd); |
---|
[1063] | 1205 | snprintf(cmd, 1023, ROAR_HAVE_BIN_SSH " -p %i -l '%s' '%s' '%s'", proxy_port, user, proxy_addr, rcmd); |
---|
[839] | 1206 | cmd[1023] = 0; |
---|
| 1207 | |
---|
| 1208 | |
---|
[3897] | 1209 | // TODO: get this more portable! |
---|
| 1210 | #ifdef AF_UNIX |
---|
[839] | 1211 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
---|
| 1212 | return -1; |
---|
| 1213 | } |
---|
[3897] | 1214 | #else |
---|
| 1215 | return -1; |
---|
| 1216 | #endif |
---|
[839] | 1217 | |
---|
| 1218 | r = fork(); |
---|
| 1219 | |
---|
| 1220 | if ( r == -1 ) { // error! |
---|
| 1221 | ROAR_ERR("roar_socket_open_ssh(*): Can not fork: %s", strerror(errno)); |
---|
| 1222 | close(socks[0]); |
---|
| 1223 | close(socks[1]); |
---|
| 1224 | return -1; |
---|
| 1225 | } else if ( r == 0 ) { // we are the child |
---|
| 1226 | close(socks[0]); |
---|
| 1227 | |
---|
| 1228 | close(ROAR_STDIN ); // we do not want roard to have any standard input |
---|
| 1229 | close(ROAR_STDOUT); // STDOUT is also not needed, so we close it, |
---|
| 1230 | // but STDERR we keep open for error messages. |
---|
| 1231 | |
---|
| 1232 | dup2(socks[1], 0); |
---|
| 1233 | dup2(socks[1], 1); |
---|
| 1234 | |
---|
[1652] | 1235 | execlp("sh", "sh", "-c", cmd, (char*)NULL); |
---|
[839] | 1236 | |
---|
| 1237 | // we are still alive? |
---|
| 1238 | ROAR_ERR("roar_socket_open_ssh(*): alive after exec(), that's bad!"); |
---|
| 1239 | _exit(1); |
---|
| 1240 | } else { // we are the parent |
---|
| 1241 | close(socks[1]); |
---|
| 1242 | return socks[0]; |
---|
| 1243 | } |
---|
| 1244 | return -1; |
---|
| 1245 | } |
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[1063] | 1246 | #endif |
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[839] | 1247 | |
---|
[1087] | 1248 | #endif // ROAR_SUPPORT_PROXY |
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| 1249 | |
---|
[0] | 1250 | //ll |
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