[0] | 1 | //socket.c: |
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| 2 | |
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[690] | 3 | /* |
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[5381] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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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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[5375] | 42 | static int roar_socket_open_file (int mode, const char * host, int port); |
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| 43 | static int roar_socket_open_proxy (int mode, int type, const char * host, int port, const char * proxy_type); |
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| 44 | |
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| 45 | static int roar_socket_open_socks4 (int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts); |
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| 46 | static int roar_socket_open_socks4a(int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts); |
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| 47 | static int roar_socket_open_socks4d(int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts); |
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| 48 | static int roar_socket_open_socks4x(int mode, int fh, char host[4], int port, const char * app, size_t app_len, const char * user); |
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| 49 | |
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| 50 | static int roar_socket_open_http (int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts); |
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| 51 | |
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| 52 | static int roar_socket_open_ssh (int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts); |
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| 53 | |
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| 54 | |
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[1761] | 55 | #ifdef ROAR_TARGET_WIN32 |
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| 56 | void roar_socket_win32_init (void) { |
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| 57 | static int inited = 0; |
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| 58 | WSADATA wsadata; |
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| 59 | |
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| 60 | if ( !inited ) { |
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| 61 | WSAStartup(MAKEWORD(1,1) , &wsadata); |
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| 62 | inited++; |
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| 63 | } |
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| 64 | } |
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| 65 | #else |
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| 66 | #define roar_socket_win32_init() |
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| 67 | #endif |
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| 68 | |
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[5376] | 69 | static int roar_socket_decnet_set_timeout (int fh, time_t sec, int_least32_t usec) { |
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[873] | 70 | #ifdef ROAR_HAVE_LIBDNET |
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| 71 | struct timeval timeout = {sec, usec}; |
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| 72 | |
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| 73 | return setsockopt(fh, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)); |
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| 74 | #else |
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| 75 | return -1; |
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| 76 | #endif |
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| 77 | } |
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| 78 | |
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[5375] | 79 | static int roar_socket_set_tos(int fh) { |
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[5210] | 80 | #if defined(ROAR_HAVE_BSDSOCKETS) && !defined(ROAR_TARGET_WIN32) |
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[5113] | 81 | int opt = IPTOS_LOWDELAY; |
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| 82 | int ret; |
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| 83 | |
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| 84 | roar_err_clear_errno(); |
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| 85 | ret = setsockopt(fh, IPPROTO_IP, IP_TOS, &opt, sizeof(int)); |
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| 86 | if ( ret < 0 ) |
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| 87 | roar_err_from_errno(); |
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| 88 | |
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| 89 | return ret; |
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| 90 | #else |
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[5375] | 91 | roar_err_set(ROAR_ERROR_NOSYS); |
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[5113] | 92 | return -1; |
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| 93 | #endif |
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| 94 | } |
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| 95 | |
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[5248] | 96 | #if 0 |
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| 97 | static int roar_socket_new_decnet_seqpacket (void) { |
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[508] | 98 | #ifdef ROAR_HAVE_LIBDNET |
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| 99 | int fh; |
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| 100 | |
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| 101 | fh = socket(AF_DECnet, SOCK_SEQPACKET, DNPROTO_NSP); |
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| 102 | |
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[873] | 103 | roar_socket_decnet_set_timeout(fh, 300, 0); |
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| 104 | |
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[508] | 105 | return fh; |
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| 106 | #else |
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| 107 | return -1; |
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| 108 | #endif |
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| 109 | } |
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[5248] | 110 | #endif |
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[508] | 111 | |
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| 112 | |
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[5248] | 113 | #if 0 |
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| 114 | static int roar_socket_new_ipxspx (void) { |
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| 115 | return -1; |
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| 116 | } |
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| 117 | #endif |
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| 118 | |
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| 119 | int roar_socket_new (int type) { |
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[5392] | 120 | #ifdef ROAR_HAVE_BSDSOCKETS |
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[5248] | 121 | int sys_domain = -1, sys_type = -1, sys_protocol = 0; |
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[508] | 122 | int fh; |
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[5248] | 123 | #if defined(ROAR_HAVE_IPV4) && defined(TCP_NODELAY) && !defined(ROAR_TARGET_WIN32) |
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| 124 | int t = 1; |
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| 125 | #endif |
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[508] | 126 | |
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[5248] | 127 | switch (type) { |
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| 128 | case ROAR_SOCKET_TYPE_NONE: |
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| 129 | case ROAR_SOCKET_TYPE_GENSTR: |
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| 130 | roar_err_set(ROAR_ERROR_INVAL); |
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| 131 | return -1; |
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| 132 | break; |
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| 133 | case ROAR_SOCKET_TYPE_FILE: |
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| 134 | case ROAR_SOCKET_TYPE_FORK: |
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| 135 | roar_err_set(ROAR_ERROR_PERM); |
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| 136 | return -1; |
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| 137 | break; |
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| 138 | #ifdef ROAR_HAVE_IPV4 |
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| 139 | case ROAR_SOCKET_TYPE_TCP: |
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| 140 | sys_domain = AF_INET; sys_type = SOCK_STREAM; |
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| 141 | break; |
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| 142 | case ROAR_SOCKET_TYPE_UDP: |
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| 143 | sys_domain = AF_INET; sys_type = SOCK_DGRAM; |
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| 144 | break; |
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| 145 | #endif |
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| 146 | #ifdef ROAR_HAVE_UNIX |
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| 147 | case ROAR_SOCKET_TYPE_UNIX: |
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| 148 | sys_domain = AF_UNIX; sys_type = SOCK_STREAM; |
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| 149 | break; |
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| 150 | #endif |
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| 151 | #ifdef ROAR_HAVE_LIBDNET |
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| 152 | case ROAR_SOCKET_TYPE_DECNET: |
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| 153 | sys_domain = AF_DECnet; sys_type = SOCK_STREAM; sys_protocol = DNPROTO_NSP; |
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| 154 | break; |
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| 155 | #endif |
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| 156 | #ifdef ROAR_HAVE_IPV6 |
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| 157 | case ROAR_SOCKET_TYPE_TCP6: |
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| 158 | sys_domain = AF_INET6; sys_type = SOCK_STREAM; |
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| 159 | break; |
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| 160 | case ROAR_SOCKET_TYPE_UDP6: |
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| 161 | sys_domain = AF_INET6; sys_type = SOCK_DGRAM; |
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| 162 | break; |
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| 163 | #endif |
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| 164 | #ifdef ROAR_HAVE_IPX |
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| 165 | case ROAR_SOCKET_TYPE_IPX: |
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| 166 | sys_domain = AF_IPX; sys_type = SOCK_DGRAM; sys_protocol = AF_IPX; |
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| 167 | break; |
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| 168 | #endif |
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| 169 | case ROAR_SOCKET_TYPE_IPXSPX: |
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| 170 | case ROAR_SOCKET_TYPE_LAT_SERVICE: |
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| 171 | case ROAR_SOCKET_TYPE_LAT_REVERSE_PORT: |
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| 172 | default: |
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| 173 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
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| 174 | return -1; |
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| 175 | break; |
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| 176 | } |
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[508] | 177 | |
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[5248] | 178 | roar_socket_win32_init(); |
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| 179 | |
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| 180 | roar_err_clear_all(); |
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| 181 | fh = socket(sys_domain, sys_type, sys_protocol); |
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| 182 | if ( fh == -1 ) { |
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| 183 | roar_err_update(); |
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| 184 | return -1; |
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| 185 | } |
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| 186 | |
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| 187 | // do the extra work we need to do for some socket types: |
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| 188 | switch (type) { |
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| 189 | #ifdef ROAR_HAVE_IPV4 |
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| 190 | case ROAR_SOCKET_TYPE_TCP: |
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| 191 | #if defined(TCP_NODELAY) && !defined(ROAR_TARGET_WIN32) |
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| 192 | setsockopt(fh, IPPROTO_TCP, TCP_NODELAY, &t, sizeof(int)); |
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| 193 | #endif |
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| 194 | case ROAR_SOCKET_TYPE_UDP: |
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| 195 | #endif |
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| 196 | #ifdef ROAR_HAVE_IPV6 |
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| 197 | case ROAR_SOCKET_TYPE_TCP6: |
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| 198 | case ROAR_SOCKET_TYPE_UDP6: |
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| 199 | #endif |
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| 200 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
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| 201 | roar_socket_set_tos(fh); |
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| 202 | break; |
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| 203 | #endif |
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| 204 | #ifdef ROAR_HAVE_LIBDNET |
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| 205 | case ROAR_SOCKET_TYPE_DECNET: |
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| 206 | roar_socket_decnet_set_timeout(fh, 300, 0); |
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| 207 | break; |
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| 208 | #endif |
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| 209 | } |
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[873] | 210 | |
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[508] | 211 | return fh; |
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[5392] | 212 | #else |
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| 213 | roar_err_set(ROAR_ERROR_NOSYS); |
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| 214 | return -1; |
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| 215 | #endif |
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[530] | 216 | } |
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| 217 | |
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| 218 | |
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[0] | 219 | int roar_socket_nonblock(int fh, int state) { |
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[4554] | 220 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && defined(ROAR_HAVE_FCNTL) |
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[0] | 221 | int flags; |
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| 222 | |
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| 223 | if ( (flags = fcntl(fh, F_GETFL, 0)) == -1 ) { |
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[5148] | 224 | roar_err_from_errno(); |
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[0] | 225 | ROAR_ERR("roar_socket_nonblock(fh=%i, state=%i): Can not read flags: %s", fh, state, strerror(errno)); |
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| 226 | ROAR_DBG("roar_socket_nonblock(fh=%i, state=%i) = -1", fh, state); |
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| 227 | return -1; |
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| 228 | } |
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| 229 | |
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[1119] | 230 | if ( !(flags & O_NONBLOCK) && state == ROAR_SOCKET_BLOCK ) |
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| 231 | return 0; |
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| 232 | |
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[0] | 233 | flags |= O_NONBLOCK; |
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| 234 | |
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| 235 | if ( state == ROAR_SOCKET_BLOCK ) |
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| 236 | flags -= O_NONBLOCK; |
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| 237 | |
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| 238 | if ( fcntl(fh, F_SETFL, flags) == -1 ) { |
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[5148] | 239 | roar_err_from_errno(); |
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[0] | 240 | ROAR_ERR("roar_socket_nonblock(fh=%i, state=%i): Can not set flags: %s", fh, state, strerror(errno)); |
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| 241 | ROAR_DBG("roar_socket_nonblock(fh=%i, state=%i) = -1", fh, state); |
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| 242 | return -1; |
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| 243 | } |
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| 244 | |
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| 245 | ROAR_DBG("roar_socket_nonblock(fh=%i, state=%i) = 0", fh, state); |
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| 246 | return 0; |
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[1085] | 247 | #else |
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| 248 | ROAR_WARN("roar_socket_nonblock(*): no nonblocking IO support on win32, use a real OS"); |
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| 249 | return -1; |
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| 250 | #endif |
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[0] | 251 | } |
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| 252 | |
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[375] | 253 | int roar_socket_dup_udp_local_end (int fh) { |
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[4554] | 254 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && defined(ROAR_HAVE_FCNTL) |
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[376] | 255 | int n = -1; |
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| 256 | int flags = -1; |
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| 257 | struct sockaddr_in socket_addr; |
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| 258 | socklen_t len = sizeof(struct sockaddr_in); |
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| 259 | |
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| 260 | if ( (flags = fcntl(fh, F_GETFL, 0)) == -1 ) { |
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| 261 | ROAR_WARN("roar_socket_dup_udp_local_end(fh=%i): Can not read flags: %s", fh, strerror(errno)); |
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| 262 | } |
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| 263 | |
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| 264 | if ( getsockname(fh, (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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[5148] | 265 | roar_err_from_errno(); |
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[376] | 266 | return -1; |
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| 267 | } |
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| 268 | |
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| 269 | if ( socket_addr.sin_family != AF_INET ) { |
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[5148] | 270 | roar_err_set(ROAR_ERROR_TYPEMM); |
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[376] | 271 | return -1; |
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| 272 | } |
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| 273 | |
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[5248] | 274 | n = roar_socket_new(ROAR_SOCKET_TYPE_UDP); |
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[376] | 275 | |
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| 276 | if ( n == -1 ) |
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| 277 | return -1; |
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| 278 | |
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| 279 | // if ( mode_func(fh, (struct sockaddr *)&socket_addr, sizeof(struct sockaddr_in)) == -1 ) { |
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| 280 | if ( bind(n, (struct sockaddr *)&socket_addr, len) == -1 ) { |
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[5148] | 281 | roar_err_from_errno(); |
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[376] | 282 | close(n); |
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| 283 | return -1; |
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| 284 | } |
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| 285 | |
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| 286 | if ( flags != -1 ) { |
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| 287 | if ( fcntl(fh, F_SETFL, flags) == -1 ) { |
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| 288 | ROAR_WARN("roar_socket_dup_udp_local_end(fh=%i): Can not set flags: %s", fh, strerror(errno)); |
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| 289 | return -1; |
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| 290 | } |
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| 291 | } |
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| 292 | |
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| 293 | |
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| 294 | return n; |
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[1085] | 295 | #else |
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| 296 | ROAR_WARN("roar_socket_dup_udp_local_end(*): this function is not supported on win32, use a real OS"); |
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| 297 | return -1; |
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| 298 | #endif |
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[375] | 299 | } |
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| 300 | |
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[753] | 301 | |
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| 302 | #define _SCMR_CONTROLLEN (sizeof(struct cmsghdr) + sizeof(int)) |
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| 303 | int roar_socket_send_fh (int sock, int fh, char * mes, size_t len) { |
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[4554] | 304 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_OS_SUNOS) && !defined(ROAR_TARGET_OPENVMS) |
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[753] | 305 | struct iovec iov[1]; |
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| 306 | struct msghdr msg; |
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| 307 | char cmptr_buf[_SCMR_CONTROLLEN]; |
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| 308 | struct cmsghdr * cmptr = (struct cmsghdr *) cmptr_buf; |
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[754] | 309 | char localmes[1] = {0}; |
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[753] | 310 | |
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[759] | 311 | ROAR_DBG("roar_socket_send_fh(sock=%i, fh=%i, mes=%p, len=%u) = ?", sock, fh, mes, len); |
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| 312 | |
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[754] | 313 | if ( sock < 0 || fh < 0 ) |
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[753] | 314 | return -1; |
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| 315 | |
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[754] | 316 | if ( len == 0 ) { |
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| 317 | len = 1; |
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| 318 | mes = localmes; |
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| 319 | } |
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| 320 | |
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[5394] | 321 | memset(&msg, 0, sizeof(msg)); |
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[754] | 322 | memset(cmptr, 0, _SCMR_CONTROLLEN); |
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| 323 | |
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[753] | 324 | iov[0].iov_base = mes; |
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| 325 | iov[0].iov_len = len; |
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| 326 | msg.msg_iov = iov; |
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| 327 | msg.msg_iovlen = 1; |
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| 328 | msg.msg_name = NULL; |
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| 329 | msg.msg_namelen = 0; |
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| 330 | |
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| 331 | cmptr->cmsg_level = SOL_SOCKET; |
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| 332 | cmptr->cmsg_type = SCM_RIGHTS; |
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| 333 | cmptr->cmsg_len = _SCMR_CONTROLLEN; |
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| 334 | msg.msg_control = (caddr_t) cmptr; |
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| 335 | msg.msg_controllen = _SCMR_CONTROLLEN; |
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| 336 | *(int *)CMSG_DATA(cmptr) = fh; |
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| 337 | |
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| 338 | return sendmsg(sock, &msg, 0); |
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[1085] | 339 | #else |
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| 340 | ROAR_ERR("roar_socket_send_fh(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
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| 341 | return -1; |
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| 342 | #endif |
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[753] | 343 | } |
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| 344 | |
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| 345 | int roar_socket_recv_fh (int sock, char * mes, size_t * len) { |
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[4554] | 346 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_OS_SUNOS) && !defined(ROAR_TARGET_OPENVMS) |
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[753] | 347 | struct iovec iov[1]; |
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| 348 | struct msghdr msg; |
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| 349 | char cmptr_buf[_SCMR_CONTROLLEN]; |
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| 350 | struct cmsghdr * cmptr = (struct cmsghdr *) cmptr_buf; |
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[754] | 351 | char localmes[1]; |
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| 352 | size_t locallen[1] = {1}; |
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[753] | 353 | |
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[4256] | 354 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = ?", sock, mes, len); |
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| 355 | |
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| 356 | if ( sock < 0 ) { |
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| 357 | ROAR_DBG("roar_socket_recv_fh(sock=%i, mes=%p, len=%p) = -1 // invalid socket", sock, mes, len); |
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[753] | 358 | return -1; |
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[4256] | 359 | } |
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[753] | 360 | |
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[754] | 361 | if ( len == NULL ) { |
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| 362 | len = locallen; |
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| 363 | mes = localmes; |
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| 364 | } |
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| 365 | |
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[753] | 366 | iov[0].iov_base = mes; |
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| 367 | iov[0].iov_len = *len; |
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| 368 | msg.msg_iov = iov; |
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| 369 | msg.msg_iovlen = 1; |
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| 370 | msg.msg_name = NULL; |
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| 371 | msg.msg_namelen = 0; |
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| 372 | |
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| 373 | msg.msg_control = (caddr_t) cmptr; |
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| 374 | msg.msg_controllen = _SCMR_CONTROLLEN; |
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| 375 | |
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[4256] | 376 | if ( (*len = recvmsg(sock, &msg, 0)) == -1 ) { |
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| 377 | 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] | 378 | return -1; |
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[4256] | 379 | } |
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[753] | 380 | |
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[4257] | 381 | if ( msg.msg_controllen < _SCMR_CONTROLLEN || |
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| 382 | cmptr->cmsg_len != _SCMR_CONTROLLEN ) { |
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[4256] | 383 | 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] | 384 | return -1; |
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[4256] | 385 | } |
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[753] | 386 | |
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[4256] | 387 | 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] | 388 | return *(int *)CMSG_DATA(cmptr); |
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[1085] | 389 | #else |
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| 390 | ROAR_ERR("roar_socket_recv_fh(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
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| 391 | return -1; |
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| 392 | #endif |
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[753] | 393 | } |
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| 394 | |
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[5260] | 395 | int roar_socket_listen (int type, const char * host, int port) { |
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[0] | 396 | return roar_socket_open(MODE_LISTEN, type, host, port); |
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| 397 | } |
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| 398 | |
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[5375] | 399 | int roar_socket_connect (int type, const char * host, int port) { |
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[2] | 400 | char * proxy_type = getenv("ROAR_PROXY"); |
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| 401 | |
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[4692] | 402 | ROAR_DBG("roar_socket_connect(host='%s', port=%i) = ?", host, port); |
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| 403 | |
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[2] | 404 | if ( proxy_type == NULL || strcmp(proxy_type, "") == 0 ) { |
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[5375] | 405 | return roar_socket_open(MODE_CONNECT, type, host, port); |
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[2] | 406 | } else { |
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[1087] | 407 | #ifdef ROAR_SUPPORT_PROXY |
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[5375] | 408 | return roar_socket_open_proxy(MODE_CONNECT, type, host, port, proxy_type); |
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[1087] | 409 | #else |
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| 410 | 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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| 411 | return -1; |
---|
| 412 | #endif |
---|
[2] | 413 | } |
---|
[0] | 414 | } |
---|
| 415 | |
---|
[508] | 416 | |
---|
[5376] | 417 | static int roar_socket_listen_decnet (const char * object, int num) { |
---|
[508] | 418 | #ifdef ROAR_HAVE_LIBDNET |
---|
[5248] | 419 | int fh = roar_socket_new(ROAR_SOCKET_TYPE_DECNET); |
---|
[508] | 420 | struct sockaddr_dn bind_sockaddr; |
---|
| 421 | |
---|
| 422 | if ( fh == -1 ) |
---|
| 423 | return -1; |
---|
| 424 | |
---|
[5376] | 425 | if ( object != NULL && !*object ) |
---|
[508] | 426 | object = NULL; |
---|
| 427 | |
---|
[5376] | 428 | if ( (object != NULL && num) || (object != NULL && !*object && !num) || (object == NULL && !num) ) { |
---|
[508] | 429 | ROAR_WARN("roar_socket_listen_decnet(object='%s', num=%i): illegal address!", object, num); |
---|
| 430 | close(fh); |
---|
[5376] | 431 | roar_err_set(ROAR_ERROR_INVAL); |
---|
[508] | 432 | return -1; |
---|
| 433 | } |
---|
| 434 | |
---|
| 435 | memset((void*)&bind_sockaddr, 0, sizeof(struct sockaddr_dn)); |
---|
| 436 | |
---|
| 437 | bind_sockaddr.sdn_family = AF_DECnet; |
---|
| 438 | bind_sockaddr.sdn_flags = 0; |
---|
| 439 | bind_sockaddr.sdn_objnum = num; |
---|
| 440 | |
---|
| 441 | if ( num ) { |
---|
| 442 | bind_sockaddr.sdn_objnamel = 0; |
---|
| 443 | } else { |
---|
[4073] | 444 | bind_sockaddr.sdn_objnamel = ROAR_HOST2LE16(strlen(object)); |
---|
[1068] | 445 | if ( bind_sockaddr.sdn_objnamel > DN_MAXOBJL ) |
---|
| 446 | bind_sockaddr.sdn_objnamel = DN_MAXOBJL; |
---|
| 447 | strncpy((char*)bind_sockaddr.sdn_objname, object, DN_MAXOBJL); |
---|
[508] | 448 | } |
---|
| 449 | |
---|
| 450 | if ( bind(fh, (struct sockaddr *) &bind_sockaddr, sizeof(bind_sockaddr)) == -1 ) { |
---|
[5376] | 451 | roar_err_from_errno(); |
---|
[508] | 452 | close(fh); |
---|
| 453 | return -1; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | if ( listen(fh, 8) == -1 ) { |
---|
[5376] | 457 | roar_err_from_errno(); |
---|
[508] | 458 | close(fh); |
---|
| 459 | return -1; |
---|
| 460 | } |
---|
| 461 | |
---|
| 462 | return fh; |
---|
| 463 | #else |
---|
[5376] | 464 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[508] | 465 | return -1; |
---|
| 466 | #endif |
---|
| 467 | } |
---|
| 468 | |
---|
[5121] | 469 | const char * roar_socket_get_local_nodename(void) { |
---|
[521] | 470 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 471 | static char node[16] = {0}; |
---|
| 472 | struct dn_naddr *binaddr; |
---|
| 473 | struct nodeent *dp; |
---|
| 474 | |
---|
| 475 | if ( !node[0] ) { |
---|
[5376] | 476 | |
---|
| 477 | // TODO: This does this function not use getnodename()? |
---|
| 478 | |
---|
| 479 | // Those strange workarounds for the error codes are because those functions currently |
---|
| 480 | // don't set errno. This way we will use errno as soon as it starts to set it. |
---|
[521] | 481 | |
---|
[5376] | 482 | roar_err_update(); |
---|
| 483 | if ( (binaddr=getnodeadd()) == NULL) { |
---|
| 484 | roar_err_update(); |
---|
| 485 | if ( roar_error == ROAR_ERROR_NONE ) |
---|
| 486 | roar_err_set(ROAR_ERROR_NOENT); |
---|
[521] | 487 | return NULL; |
---|
[5376] | 488 | } |
---|
| 489 | |
---|
| 490 | roar_err_update(); |
---|
| 491 | if ( (dp=getnodebyaddr((char*)binaddr->a_addr, binaddr->a_len, AF_DECnet)) == NULL ) { |
---|
| 492 | roar_err_update(); |
---|
| 493 | if ( roar_error == ROAR_ERROR_NONE ) |
---|
| 494 | roar_err_set(ROAR_ERROR_NOENT); |
---|
| 495 | return NULL; |
---|
| 496 | } |
---|
[521] | 497 | |
---|
| 498 | strncpy(node, dp->n_name, 15); |
---|
| 499 | node[15] = 0; |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | return node; |
---|
| 503 | #else |
---|
[5376] | 504 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[521] | 505 | return NULL; |
---|
| 506 | #endif |
---|
| 507 | } |
---|
| 508 | |
---|
[5260] | 509 | int roar_socket_open (int mode, int type, const char * host, int port) { |
---|
[0] | 510 | // int type = ROAR_SOCKET_TYPE_INET; |
---|
| 511 | int fh; |
---|
[531] | 512 | #ifdef ROAR_HAVE_IPX |
---|
| 513 | #define _NEED_OBJ |
---|
[5184] | 514 | #endif |
---|
| 515 | #if defined(ROAR_HAVE_IPX) || defined(ROAR_HAVE_GETADDRINFO) |
---|
[531] | 516 | int ret; |
---|
| 517 | #endif |
---|
[3788] | 518 | #ifdef ROAR_HAVE_IPX |
---|
| 519 | unsigned int ipx_port; |
---|
| 520 | #endif |
---|
[3643] | 521 | #ifdef ROAR_HAVE_UNIX |
---|
| 522 | int abstract = 0; |
---|
| 523 | #endif |
---|
[1476] | 524 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) || defined(ROAR_HAVE_UNIX) || defined(ROAR_HAVE_IPX) |
---|
[512] | 525 | union { |
---|
[1359] | 526 | struct sockaddr sa; |
---|
[1361] | 527 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[512] | 528 | struct sockaddr_in in; |
---|
[1359] | 529 | #endif |
---|
[1090] | 530 | #ifdef ROAR_HAVE_UNIX |
---|
[512] | 531 | struct sockaddr_un un; |
---|
[1090] | 532 | #endif |
---|
[890] | 533 | #ifdef ROAR_HAVE_IPV6 |
---|
[514] | 534 | struct sockaddr_in6 in6; |
---|
[890] | 535 | #endif |
---|
[531] | 536 | #ifdef ROAR_HAVE_IPX |
---|
| 537 | struct sockaddr_ipx ipx; |
---|
| 538 | #endif |
---|
[512] | 539 | } socket_addr; |
---|
[4759] | 540 | socklen_t addrlen; |
---|
[1476] | 541 | #endif |
---|
[5419] | 542 | #if (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) && !defined(ROAR_HAVE_GETADDRINFO) |
---|
[5379] | 543 | struct hostent * he = NULL; |
---|
[1359] | 544 | #endif |
---|
[0] | 545 | //unsigned int host_div = 0; |
---|
[3788] | 546 | #ifdef ROAR_TARGET_WIN32 |
---|
| 547 | int PASCAL (*mode_func)(SOCKET,const struct sockaddr*,int) = connect; // default is to connect |
---|
| 548 | #else |
---|
[0] | 549 | int (*mode_func)(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen) = connect; // default is to connect |
---|
[3788] | 550 | #endif |
---|
[501] | 551 | #ifdef ROAR_HAVE_LIBDNET |
---|
[531] | 552 | #define _NEED_OBJ |
---|
[5260] | 553 | char * dnet_node_buf; |
---|
[531] | 554 | #endif |
---|
| 555 | #ifdef _NEED_OBJ |
---|
[501] | 556 | char obj[80]; |
---|
| 557 | char * del; |
---|
| 558 | #endif |
---|
[4759] | 559 | int af_guessed = 0; |
---|
| 560 | #ifdef ROAR_HAVE_GETADDRINFO |
---|
| 561 | struct addrinfo hints, *res = NULL; |
---|
| 562 | char port_as_string[32]; |
---|
| 563 | #endif |
---|
[5098] | 564 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
| 565 | int is_numerical = 1; |
---|
| 566 | const char * numptr; |
---|
| 567 | #endif |
---|
[0] | 568 | |
---|
[4692] | 569 | ROAR_DBG("roar_socket_open(mode=%i, type=%i, host='%s', port=%i) = ?", mode, type, host, port); |
---|
| 570 | |
---|
[5184] | 571 | roar_err_set(ROAR_ERROR_UNKNOWN); |
---|
| 572 | |
---|
[0] | 573 | if ( mode == MODE_LISTEN ) |
---|
| 574 | mode_func = bind; |
---|
| 575 | |
---|
| 576 | if ( type == ROAR_SOCKET_TYPE_UNKNOWN ) { |
---|
[4759] | 577 | af_guessed = 1; |
---|
[0] | 578 | type = ROAR_SOCKET_TYPE_INET; |
---|
[69] | 579 | if ( *host == '/' ) { |
---|
[0] | 580 | type = ROAR_SOCKET_TYPE_UNIX; |
---|
[69] | 581 | } else if ( strcmp(host, "+fork") == 0 ) { |
---|
| 582 | type = ROAR_SOCKET_TYPE_FORK; |
---|
[3643] | 583 | } else if ( strcmp(host, "+abstract") == 0 ) { |
---|
| 584 | type = ROAR_SOCKET_TYPE_UNIX; |
---|
[3785] | 585 | #ifdef ROAR_HAVE_UNIX |
---|
[3643] | 586 | abstract = 1; |
---|
[3785] | 587 | #endif |
---|
[501] | 588 | } else if ( strstr(host, "::") != NULL ) { |
---|
| 589 | type = ROAR_SOCKET_TYPE_DECNET; |
---|
[531] | 590 | } else if ( host[strlen(host)-1] == ')' ) { |
---|
| 591 | type = ROAR_SOCKET_TYPE_IPX; |
---|
[69] | 592 | } |
---|
[0] | 593 | } |
---|
| 594 | |
---|
| 595 | |
---|
[4692] | 596 | ROAR_DBG("roar_socket_open(mode=%i, type=%i, host='%s', port=%i) = ?", mode, type, host, port); |
---|
| 597 | |
---|
[0] | 598 | ROAR_DBG("roar_socket_open(*): type=%s, host='%s', port=%i", |
---|
[3956] | 599 | type == ROAR_SOCKET_TYPE_UNIX ? "UNIX" : "???", host, port); |
---|
[0] | 600 | |
---|
[501] | 601 | if ( type == ROAR_SOCKET_TYPE_DECNET ) { |
---|
| 602 | #ifdef ROAR_HAVE_LIBDNET |
---|
[508] | 603 | ROAR_DBG("roar_socket_open(*): hostname for DECnet: host(%p)=%s", host, host); |
---|
[501] | 604 | del = strstr(host, "::"); |
---|
[508] | 605 | ROAR_DBG("roar_socket_open(*): hostname for DECnet: del(%p)=%s", del, del); |
---|
| 606 | |
---|
| 607 | if ( del == NULL ) { |
---|
| 608 | ROAR_WARN("roar_socket_open(*): invalid hostname for DECnet: %s", host); |
---|
[5184] | 609 | roar_err_set(ROAR_ERROR_INVAL); |
---|
[508] | 610 | return -1; |
---|
| 611 | } |
---|
| 612 | |
---|
[501] | 613 | *del = 0; |
---|
| 614 | |
---|
| 615 | if ( *(del+2) == '#' ) { // assume we have node::#num |
---|
| 616 | port = atoi(del+2); |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | if ( port ) { |
---|
[1067] | 620 | snprintf(obj, 7, "%i", port); // no need for snprintf() as dec(port) is smaller than obj[] |
---|
[501] | 621 | } else { |
---|
| 622 | *obj = 0; |
---|
| 623 | strncat(obj, del+2, 79); |
---|
| 624 | } |
---|
| 625 | |
---|
[5137] | 626 | ROAR_DBG("roar_socket_open(*): obj='%s', port=%i", obj, port); |
---|
| 627 | |
---|
[508] | 628 | if ( mode == MODE_LISTEN ) { |
---|
| 629 | fh = roar_socket_listen_decnet(obj, port); |
---|
| 630 | *del = ':'; |
---|
| 631 | return fh; |
---|
| 632 | } else { |
---|
| 633 | // There is nothing wrong in this case to use dnet_conn() so we do. |
---|
[5260] | 634 | dnet_node_buf = roar_mm_strdup(host); |
---|
| 635 | if ( dnet_node_buf == NULL ) { |
---|
| 636 | *del = ':'; |
---|
| 637 | return -1; |
---|
| 638 | } |
---|
[5326] | 639 | ROAR_DBG("roar_socket_open(*): CALL dnet_conn('%s', '%s', SOCK_STREAM, 0 ,0 ,0 , 0)", dnet_node_buf, obj); |
---|
[5261] | 640 | fh = dnet_conn(dnet_node_buf, obj, SOCK_STREAM, 0, 0, 0, 0); |
---|
[5326] | 641 | ROAR_DBG("roar_socket_open(*): RET %i", fh); |
---|
[5260] | 642 | roar_mm_free(dnet_node_buf); |
---|
[501] | 643 | *del = ':'; |
---|
| 644 | return fh; |
---|
[533] | 645 | } |
---|
[501] | 646 | #else |
---|
[5184] | 647 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[533] | 648 | return -1; // no decnet support |
---|
[501] | 649 | #endif |
---|
| 650 | } |
---|
| 651 | |
---|
[1359] | 652 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[512] | 653 | memset(&socket_addr, 0, sizeof(socket_addr)); |
---|
[1359] | 654 | #endif |
---|
[0] | 655 | |
---|
| 656 | |
---|
[520] | 657 | if ( type == ROAR_SOCKET_TYPE_INET || type == ROAR_SOCKET_TYPE_INET6 ) { |
---|
[1359] | 658 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
[0] | 659 | |
---|
[3956] | 660 | ROAR_DBG("roar_socket_open(*): type=INET|INET6, host='%s', port=%i", host, port); |
---|
[2039] | 661 | |
---|
[1768] | 662 | roar_socket_win32_init(); // we need to do this early as gethostbyname() requires this. |
---|
| 663 | |
---|
[3956] | 664 | ROAR_DBG("roar_socket_open(*): type=INET|INET6, host='%s', port=%i", host, port); |
---|
| 665 | |
---|
[5098] | 666 | if ( !!strcmp(host, "0.0.0.0") ) { |
---|
| 667 | for (numptr = host; is_numerical && *numptr != 0; numptr++) |
---|
| 668 | if ( ! ((*numptr >= '0' && *numptr <= '9') || *numptr == '.') ) |
---|
| 669 | is_numerical = 0; |
---|
| 670 | |
---|
[5138] | 671 | if ( is_numerical && roar_libroar_iswarn(NULL) ) { |
---|
[5098] | 672 | ROAR_WARN("roar_socket_open(*): Hostname \"%s\" is numerical. Do not use IP addresses directly. Use Hostnames.", host); |
---|
| 673 | } |
---|
| 674 | } |
---|
| 675 | |
---|
[4759] | 676 | #ifdef ROAR_HAVE_GETADDRINFO |
---|
| 677 | memset(&hints, 0, sizeof(hints)); |
---|
| 678 | hints.ai_socktype = SOCK_STREAM; |
---|
| 679 | if ( af_guessed ) { |
---|
| 680 | hints.ai_family = AF_UNSPEC; |
---|
| 681 | } else { |
---|
| 682 | hints.ai_family = type == ROAR_SOCKET_TYPE_INET ? AF_INET : AF_INET6; |
---|
| 683 | } |
---|
| 684 | |
---|
| 685 | snprintf(port_as_string, sizeof(port_as_string), "%i", port); |
---|
| 686 | |
---|
[5184] | 687 | ret = getaddrinfo(host, port_as_string, &hints, &res); |
---|
| 688 | switch (ret) { |
---|
| 689 | case 0: /* no error */; break; |
---|
[5203] | 690 | #ifdef EAI_ADDRFAMILY |
---|
[5184] | 691 | case EAI_ADDRFAMILY: roar_err_set(ROAR_ERROR_NOENT); break; |
---|
[5203] | 692 | #endif |
---|
[5184] | 693 | case EAI_AGAIN: roar_err_set(ROAR_ERROR_AGAIN); break; |
---|
| 694 | case EAI_BADFLAGS: roar_err_set(ROAR_ERROR_INVAL); break; |
---|
| 695 | case EAI_FAIL: roar_err_set(ROAR_ERROR_RIO); break; |
---|
| 696 | case EAI_FAMILY: roar_err_set(ROAR_ERROR_AFNOTSUP); break; |
---|
| 697 | case EAI_MEMORY: roar_err_set(ROAR_ERROR_NOMEM); break; |
---|
[5203] | 698 | #ifdef EAI_NODATA |
---|
[5184] | 699 | case EAI_NODATA: roar_err_set(ROAR_ERROR_NODATA); break; |
---|
[5203] | 700 | #endif |
---|
[5184] | 701 | case EAI_NONAME: roar_err_set(ROAR_ERROR_NOENT); break; |
---|
| 702 | case EAI_SERVICE: roar_err_set(ROAR_ERROR_PROTONOSUP); break; |
---|
| 703 | case EAI_SOCKTYPE: roar_err_set(ROAR_ERROR_INVAL); break; |
---|
| 704 | case EAI_SYSTEM: roar_err_from_errno(); break; |
---|
| 705 | default: |
---|
| 706 | roar_err_set(ROAR_ERROR_UNKNOWN); |
---|
| 707 | break; |
---|
| 708 | } |
---|
| 709 | if ( ret != 0 ) |
---|
[4759] | 710 | return -1; |
---|
| 711 | |
---|
| 712 | if ( af_guessed ) { |
---|
| 713 | type = res->ai_family == AF_INET ? ROAR_SOCKET_TYPE_INET : ROAR_SOCKET_TYPE_INET6; |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | if ( type == ROAR_SOCKET_TYPE_INET ) { |
---|
[5248] | 717 | fh = roar_socket_new(ROAR_SOCKET_TYPE_TCP); |
---|
[4759] | 718 | } else { |
---|
[5248] | 719 | fh = roar_socket_new(ROAR_SOCKET_TYPE_TCP6); |
---|
[4759] | 720 | } |
---|
| 721 | |
---|
| 722 | memcpy(&(socket_addr.sa), res->ai_addr, res->ai_addrlen); |
---|
| 723 | addrlen = res->ai_addrlen; |
---|
| 724 | |
---|
| 725 | if ( res != NULL ) |
---|
| 726 | freeaddrinfo(res); |
---|
| 727 | #else |
---|
[0] | 728 | if ( (he = gethostbyname(host)) == NULL ) { |
---|
| 729 | ROAR_ERR("roar_socket_open(*): Can\'t resolve host name '%s'", |
---|
| 730 | host); |
---|
[5184] | 731 | roar_err_from_errno(); |
---|
[0] | 732 | return -1; |
---|
| 733 | } |
---|
| 734 | |
---|
[4692] | 735 | ROAR_DBG("roar_socket_open(*): he=%p", he); |
---|
| 736 | |
---|
[4759] | 737 | memcpy((struct in_addr *)&(socket_addr.in.sin_addr), he->h_addr, sizeof(struct in_addr)); |
---|
[0] | 738 | |
---|
[520] | 739 | /* set the connect information */ |
---|
| 740 | socket_addr.in.sin_family = AF_INET; |
---|
| 741 | socket_addr.in.sin_port = ROAR_HOST2NET16(port); |
---|
| 742 | |
---|
[5248] | 743 | fh = roar_socket_new(ROAR_SOCKET_TYPE_TCP); |
---|
[4759] | 744 | addrlen = sizeof(struct sockaddr_in); |
---|
| 745 | #endif |
---|
[2039] | 746 | |
---|
[4692] | 747 | ROAR_DBG("roar_socket_open(*): fh=%i", fh); |
---|
| 748 | |
---|
[2039] | 749 | if ( fh == -1 ) { |
---|
| 750 | ROAR_ERR("roar_socket_open(*): Can\'t create TCP socket: %s", strerror(errno)); |
---|
| 751 | return -1; |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | ROAR_DBG("roar_socket_open(*) = ?"); |
---|
[0] | 755 | |
---|
[4692] | 756 | ROAR_DBG("roar_socket_open(*): fh=%i", fh); |
---|
| 757 | |
---|
[4759] | 758 | if ( mode_func(fh, (struct sockaddr *)&socket_addr.sa, addrlen) == -1 ) { |
---|
[520] | 759 | ROAR_DBG("roar_socket_open(*): Can not connect/bind: %s", strerror(errno)); |
---|
[5184] | 760 | roar_err_from_errno(); |
---|
[520] | 761 | close(fh); |
---|
| 762 | return -1; |
---|
| 763 | } |
---|
[4692] | 764 | |
---|
| 765 | ROAR_DBG("roar_socket_open(*): fh=%i", fh); |
---|
| 766 | |
---|
[0] | 767 | // hey! we have a socket... |
---|
[2040] | 768 | ROAR_DBG("roar_socket_open(*) = ? // we have a socket :)"); |
---|
[1359] | 769 | #else |
---|
[4692] | 770 | ROAR_DBG("roar_socket_open(*) = -1 // no IPv4 or IPv6 support"); |
---|
[5184] | 771 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[1359] | 772 | return -1; |
---|
| 773 | #endif |
---|
[69] | 774 | } else if ( type == ROAR_SOCKET_TYPE_UNIX ) { |
---|
[1090] | 775 | #ifdef ROAR_HAVE_UNIX |
---|
[512] | 776 | socket_addr.un.sun_family = AF_UNIX; |
---|
[3643] | 777 | |
---|
| 778 | if ( abstract ) { |
---|
| 779 | memset(socket_addr.un.sun_path, 0, sizeof(socket_addr.un.sun_path)); |
---|
| 780 | snprintf(socket_addr.un.sun_path+1, sizeof(socket_addr.un.sun_path)-1, "RoarAudio/UNIX/Abstract/%i", abstract); |
---|
| 781 | } else { |
---|
| 782 | strncpy(socket_addr.un.sun_path, host, sizeof(socket_addr.un.sun_path) - 1); |
---|
| 783 | } |
---|
[60] | 784 | |
---|
[5248] | 785 | fh = roar_socket_new(ROAR_SOCKET_TYPE_UNIX); |
---|
[60] | 786 | |
---|
[512] | 787 | if ( mode_func(fh, (struct sockaddr *)&socket_addr.un, sizeof(struct sockaddr_un)) == -1 ) { |
---|
[60] | 788 | ROAR_DBG("roar_socket_open(*): Can not connect/bind: %s", strerror(errno)); |
---|
[5184] | 789 | roar_err_from_errno(); |
---|
[60] | 790 | close(fh); |
---|
| 791 | return -1; |
---|
| 792 | } |
---|
[1090] | 793 | #else |
---|
| 794 | ROAR_ERR("roar_socket_open(*): There is no UNIX Domain Socket support in win32, download a real OS."); |
---|
[5184] | 795 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[1090] | 796 | return -1; |
---|
| 797 | #endif |
---|
[531] | 798 | } else if ( type == ROAR_SOCKET_TYPE_IPX ) { |
---|
[534] | 799 | #ifdef ROAR_HAVE_IPX |
---|
[531] | 800 | socket_addr.ipx.sipx_family = AF_IPX; |
---|
| 801 | |
---|
| 802 | obj[0] = 0; |
---|
| 803 | |
---|
[3788] | 804 | if ( (ret = sscanf(host, "%8x.%12s(%x)", &socket_addr.ipx.sipx_network, obj, &ipx_port)) < 2 ) { |
---|
[531] | 805 | return -1; |
---|
[3788] | 806 | socket_addr.ipx.sipx_port = ipx_port; |
---|
[531] | 807 | } else if ( ret == 2 ) { |
---|
| 808 | socket_addr.ipx.sipx_port = port; // Network Byte Order? |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | memset(socket_addr.ipx.sipx_node, 0, IPX_NODE_LEN); |
---|
| 812 | ret = strlen(obj); |
---|
| 813 | |
---|
| 814 | if ( ret % 2 ) // needs to be even at the moment |
---|
| 815 | return -1; |
---|
| 816 | |
---|
[5248] | 817 | fh = roar_socket_new(ROAR_SOCKET_TYPE_IPX); |
---|
[531] | 818 | |
---|
| 819 | close(fh); |
---|
[5248] | 820 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[531] | 821 | return -1; |
---|
[534] | 822 | #else |
---|
[5184] | 823 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[534] | 824 | return -1; |
---|
| 825 | #endif |
---|
[69] | 826 | } else if ( type == ROAR_SOCKET_TYPE_FORK ) { |
---|
[5369] | 827 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 828 | return -1; |
---|
[75] | 829 | } else if ( type == ROAR_SOCKET_TYPE_FILE ) { |
---|
| 830 | return roar_socket_open_file(mode, host, port); |
---|
[69] | 831 | } else { |
---|
[5184] | 832 | roar_err_set(ROAR_ERROR_AFNOTSUP); |
---|
[69] | 833 | return -1; |
---|
[0] | 834 | } |
---|
| 835 | |
---|
[1476] | 836 | if ( mode == MODE_LISTEN ) { |
---|
[2040] | 837 | #if defined(ROAR_HAVE_BSDSOCKETS) || defined(ROAR_TARGET_WIN32) |
---|
[0] | 838 | if ( listen(fh, ROAR_SOCKET_QUEUE_LEN) == -1 ) { |
---|
[5184] | 839 | roar_err_from_errno(); |
---|
[0] | 840 | close(fh); |
---|
| 841 | return -1; |
---|
| 842 | } |
---|
[1476] | 843 | #else |
---|
[5184] | 844 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1476] | 845 | return -1; |
---|
| 846 | #endif |
---|
| 847 | } |
---|
[0] | 848 | |
---|
| 849 | return fh; |
---|
| 850 | } |
---|
| 851 | |
---|
[5375] | 852 | static int roar_socket_open_file (int mode, const char * host, int port) { |
---|
[1476] | 853 | #ifdef ROAR_HAVE_IO_POSIX |
---|
[75] | 854 | int fh; |
---|
| 855 | |
---|
| 856 | if ( mode == MODE_LISTEN ) |
---|
| 857 | return -1; |
---|
| 858 | |
---|
| 859 | if ( (fh = open(host, O_RDONLY, 0644)) == -1 ) { |
---|
| 860 | ROAR_ERR("roar_socket_open_file(*): Can not open file %s: %s", host, strerror(errno)); |
---|
| 861 | } |
---|
| 862 | |
---|
| 863 | return fh; |
---|
[1476] | 864 | #else |
---|
| 865 | return -1; |
---|
| 866 | #endif |
---|
[75] | 867 | } |
---|
| 868 | |
---|
[2] | 869 | // --- [ PROXY CODE ] --- |
---|
| 870 | |
---|
[3901] | 871 | #ifndef ROAR_HAVE_IO_POSIX |
---|
| 872 | #ifdef ROAR_SUPPORT_PROXY |
---|
| 873 | #undef ROAR_SUPPORT_PROXY |
---|
| 874 | #endif |
---|
| 875 | #endif |
---|
| 876 | |
---|
[2] | 877 | // generic proxy code: |
---|
| 878 | |
---|
[1087] | 879 | #ifdef ROAR_SUPPORT_PROXY |
---|
[5375] | 880 | static int roar_socket_open_proxy (int mode, int type, const char * host, int port, const char * proxy_type) { |
---|
[829] | 881 | int proxy_port = -1; |
---|
[2] | 882 | char proxy_host[ROAR_SOCKET_MAX_HOSTNAMELEN]; |
---|
[829] | 883 | char * proxy_addr = NULL; |
---|
[2] | 884 | int i; |
---|
[829] | 885 | int fh = -1; |
---|
[835] | 886 | char * user = NULL, * pw = NULL, * opts = NULL; |
---|
[836] | 887 | char * sep; |
---|
[838] | 888 | int no_fh = 0; |
---|
[1008] | 889 | char proxy_addr_buf[1024]; |
---|
[835] | 890 | static struct passwd * passwd; |
---|
[5260] | 891 | int (* code)(int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts) = NULL; |
---|
[2] | 892 | |
---|
[835] | 893 | if ( passwd == NULL ) { |
---|
| 894 | passwd = getpwuid(getuid()); |
---|
| 895 | } |
---|
| 896 | |
---|
[3897] | 897 | // TODO: fix this in a good way |
---|
| 898 | #ifndef ROAR_TARGET_MICROCONTROLLER |
---|
[835] | 899 | if ( passwd != NULL ) |
---|
| 900 | user = passwd->pw_name; |
---|
[3897] | 901 | #endif |
---|
[835] | 902 | |
---|
| 903 | if ( user == NULL ) |
---|
| 904 | user = getenv("USER"); |
---|
| 905 | |
---|
[2] | 906 | // TODO: change this so we support listen() proxys (ssh -R) |
---|
| 907 | if ( mode != MODE_CONNECT ) |
---|
| 908 | return -1; |
---|
| 909 | |
---|
[829] | 910 | if ( !strncmp(proxy_type, "socks", 5) ) { |
---|
[2] | 911 | proxy_addr = getenv("socks_proxy"); |
---|
| 912 | |
---|
| 913 | proxy_port = 9050; // TOR's default port |
---|
[832] | 914 | } else if ( !strcmp(proxy_type, "http") || !strcmp(proxy_type, "https") ) { |
---|
[830] | 915 | proxy_port = 8080; |
---|
[2] | 916 | |
---|
[832] | 917 | if ( (proxy_addr = getenv("http_proxy")) == NULL ) |
---|
| 918 | proxy_addr = getenv("https_proxy"); |
---|
| 919 | |
---|
[2] | 920 | if ( proxy_addr == NULL ) |
---|
| 921 | return -1; |
---|
| 922 | |
---|
[830] | 923 | if ( !strncmp(proxy_addr, "http://", 7) ) |
---|
| 924 | proxy_addr += 7; |
---|
[838] | 925 | } else if ( !strncmp(proxy_type, "ssh", 3) ) { |
---|
| 926 | proxy_port = 22; |
---|
| 927 | proxy_addr = getenv("ssh_proxy"); |
---|
| 928 | no_fh = 1; |
---|
[830] | 929 | } |
---|
[2] | 930 | |
---|
[1008] | 931 | proxy_addr_buf[1023] = 0; |
---|
| 932 | strncpy(proxy_addr_buf, proxy_addr, 1023); |
---|
| 933 | proxy_addr = proxy_addr_buf; |
---|
| 934 | |
---|
[837] | 935 | if ( (sep = strstr(proxy_type, "/")) != NULL ) |
---|
| 936 | opts = sep+1; |
---|
| 937 | |
---|
[830] | 938 | if ( proxy_addr == NULL ) |
---|
| 939 | return -1; |
---|
[2] | 940 | |
---|
[836] | 941 | if ( (sep = strstr(proxy_addr, "@")) != NULL ) { |
---|
| 942 | *sep = 0; |
---|
| 943 | user = proxy_addr; |
---|
| 944 | proxy_addr = sep+1; |
---|
| 945 | |
---|
| 946 | if ( (sep = strstr(user, ":")) != NULL ) { |
---|
| 947 | *sep = 0; |
---|
| 948 | pw = sep+1; |
---|
| 949 | } |
---|
| 950 | } |
---|
| 951 | |
---|
[1008] | 952 | 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); |
---|
| 953 | |
---|
[4028] | 954 | for (i = 0; proxy_addr[i] != 0 && proxy_addr[i] != ':' && i < (ROAR_SOCKET_MAX_HOSTNAMELEN - 1); i++) |
---|
[830] | 955 | proxy_host[i] = proxy_addr[i]; |
---|
| 956 | proxy_host[i] = 0; |
---|
[2] | 957 | |
---|
[830] | 958 | if ( i == 0 ) // no hostname found |
---|
| 959 | return -1; |
---|
| 960 | |
---|
| 961 | if ( proxy_addr[i] == ':' ) |
---|
| 962 | proxy_port = atoi(&proxy_addr[i+1]); |
---|
| 963 | |
---|
[838] | 964 | if ( ! no_fh ) { |
---|
| 965 | if ( (fh = roar_socket_open(mode, type, proxy_host, proxy_port)) == -1) { |
---|
| 966 | return -1; |
---|
| 967 | } |
---|
[829] | 968 | } |
---|
[2] | 969 | |
---|
[829] | 970 | if ( !strcmp(proxy_type, "socks4a") ) { // for TOR, the only supported type at the moment |
---|
[833] | 971 | code = roar_socket_open_socks4a; |
---|
| 972 | } else if ( !strcmp(proxy_type, "socks4d") ) { // DECnet |
---|
| 973 | code = roar_socket_open_socks4d; |
---|
| 974 | } else if ( !strcmp(proxy_type, "socks4") ) { // good old SOCKS4 |
---|
| 975 | code = roar_socket_open_socks4; |
---|
| 976 | } else if ( !strcmp(proxy_type, "http") ) { // HTTP CONNECT |
---|
| 977 | code = roar_socket_open_http; |
---|
[839] | 978 | } else if ( !strncmp(proxy_type, "ssh", 3) ) { // SSH... |
---|
[1063] | 979 | #ifdef ROAR_HAVE_BIN_SSH |
---|
[839] | 980 | code = roar_socket_open_ssh; |
---|
[1063] | 981 | #else |
---|
| 982 | ROAR_ERR("roar_socket_open_proxy(*): No SSH support compiled in"); |
---|
| 983 | #endif |
---|
[833] | 984 | } else { |
---|
| 985 | return -1; // unknown type |
---|
| 986 | } |
---|
[2] | 987 | |
---|
[833] | 988 | if ( code != NULL ) { |
---|
[838] | 989 | if ( no_fh ) { |
---|
| 990 | fh = code(mode, fh, host, port, user, pw, opts); |
---|
| 991 | } else { |
---|
| 992 | if ( code(mode, fh, host, port, user, pw, opts) == -1 ) { |
---|
| 993 | close(fh); |
---|
| 994 | return -1; |
---|
| 995 | } |
---|
[829] | 996 | } |
---|
| 997 | |
---|
| 998 | return fh; |
---|
[833] | 999 | } |
---|
[829] | 1000 | |
---|
[833] | 1001 | close(fh); |
---|
| 1002 | return -1; |
---|
[2] | 1003 | } |
---|
| 1004 | |
---|
| 1005 | // protocoll dependet proxy code: |
---|
| 1006 | |
---|
[5375] | 1007 | static int roar_socket_open_socks4 (int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts) { |
---|
[3897] | 1008 | #ifndef ROAR_TARGET_MICROCONTROLLER |
---|
[829] | 1009 | struct hostent * he; |
---|
| 1010 | |
---|
| 1011 | if ( (he = gethostbyname(host)) == NULL ) { |
---|
| 1012 | ROAR_ERR("roar_socket_open_socks4(*): Can\'t resolve host name '%s'", host); |
---|
| 1013 | return -1; |
---|
| 1014 | } |
---|
| 1015 | |
---|
[834] | 1016 | return roar_socket_open_socks4x(mode, fh, he->h_addr, port, NULL, 0, user); |
---|
[3897] | 1017 | #else |
---|
| 1018 | return -1; |
---|
| 1019 | #endif |
---|
[829] | 1020 | } |
---|
| 1021 | |
---|
[5375] | 1022 | static int roar_socket_open_socks4a(int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts) { |
---|
[834] | 1023 | return roar_socket_open_socks4x(mode, fh, "\0\0\0\1", port, host, strlen(host)+1, user); |
---|
[829] | 1024 | } |
---|
| 1025 | |
---|
[5375] | 1026 | static int roar_socket_open_socks4d(int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts) { |
---|
[829] | 1027 | size_t len = strlen(host)+1; |
---|
| 1028 | char * dp; |
---|
| 1029 | |
---|
| 1030 | if ( port == 0 ) { |
---|
| 1031 | if ( (dp = strstr(host, "::")) == NULL ) |
---|
| 1032 | return -1; |
---|
| 1033 | |
---|
| 1034 | len--; |
---|
| 1035 | *dp = 0; |
---|
| 1036 | memmove(dp+1, dp+2, len - (dp-host) - 1); |
---|
| 1037 | } |
---|
| 1038 | |
---|
[834] | 1039 | return roar_socket_open_socks4x(mode, fh, "\0\2\0\0", port, host, len, user); |
---|
[829] | 1040 | } |
---|
| 1041 | |
---|
[5375] | 1042 | static int roar_socket_open_socks4x(int mode, int fh, char host[4], int port, const char * app, size_t app_len, const char * user) { |
---|
[2] | 1043 | char buf[9]; |
---|
[835] | 1044 | int len; |
---|
[2] | 1045 | |
---|
| 1046 | buf[0] = 0x04; |
---|
| 1047 | buf[1] = mode == MODE_CONNECT ? 0x01 : 0x02; |
---|
| 1048 | *((uint16_t*)&buf[2]) = htons(port); |
---|
[829] | 1049 | memcpy(buf+4, host, 4); |
---|
[835] | 1050 | |
---|
| 1051 | if ( user == NULL ) { |
---|
| 1052 | buf[8] = 0x00; |
---|
| 1053 | len = 9; |
---|
| 1054 | } else { |
---|
| 1055 | len = 8; |
---|
| 1056 | } |
---|
[2] | 1057 | |
---|
[835] | 1058 | if ( write(fh, buf, len) != len ) |
---|
[2] | 1059 | return -1; |
---|
| 1060 | |
---|
[835] | 1061 | if ( user != NULL ) { |
---|
| 1062 | len = strlen(user) + 1; |
---|
| 1063 | if ( write(fh, user, len) != len ) |
---|
| 1064 | return -1; |
---|
| 1065 | } |
---|
| 1066 | |
---|
[829] | 1067 | if ( app_len > 0 ) |
---|
[5270] | 1068 | if ( write(fh, app, app_len) != (ssize_t)app_len ) |
---|
[829] | 1069 | return -1; |
---|
[2] | 1070 | |
---|
| 1071 | if ( read(fh, buf, 8) != 8 ) |
---|
| 1072 | return -1; |
---|
| 1073 | |
---|
| 1074 | if ( buf[1] != 0x5a ) |
---|
| 1075 | return -1; |
---|
| 1076 | |
---|
| 1077 | return 0; |
---|
| 1078 | } |
---|
| 1079 | |
---|
[5375] | 1080 | static int roar_socket_open_http (int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts) { |
---|
[831] | 1081 | char buf[1024]; |
---|
| 1082 | int len; |
---|
| 1083 | |
---|
| 1084 | if ( port == 0 || host == NULL ) |
---|
| 1085 | return -1; |
---|
| 1086 | |
---|
| 1087 | if ( *host == '/' ) // AF_UNIX |
---|
| 1088 | return -1; |
---|
| 1089 | |
---|
| 1090 | if ( (len = snprintf(buf, 1024, "CONNECT %s:%i HTTP/1.0\r\nUser-Agent: libroar\r\n\r\n", host, port)) == -1 ) |
---|
| 1091 | return -1; |
---|
| 1092 | |
---|
| 1093 | if ( write(fh, buf, len) != len ) |
---|
| 1094 | return -1; |
---|
| 1095 | |
---|
| 1096 | while ( (len = read(fh, buf, 1024)) ) { |
---|
| 1097 | if ( len == 1024 ) { // overlong lion |
---|
| 1098 | return -1; |
---|
| 1099 | } else if ( len == 2 && buf[0] == '\r' && buf[1] == '\n' ) { |
---|
| 1100 | break; |
---|
| 1101 | } else if ( len == 1 && (buf[0] == '\r' || buf[0] == '\n') ) { // bad proxy or devel trying to debug ;) |
---|
| 1102 | break; |
---|
| 1103 | } else if ( len >= 4 && buf[len-4] == '\r' && buf[len-3] == '\n' && buf[len-2] == '\r' && buf[len-1] == '\n' ) { |
---|
| 1104 | break; |
---|
| 1105 | } |
---|
| 1106 | } |
---|
| 1107 | |
---|
| 1108 | return 0; |
---|
[830] | 1109 | } |
---|
| 1110 | |
---|
[839] | 1111 | |
---|
[1063] | 1112 | #ifdef ROAR_HAVE_BIN_SSH |
---|
[5375] | 1113 | static int roar_socket_open_ssh (int mode, int fh, const char * host, int port, const char * user, const char * pw, const char * opts) { |
---|
[839] | 1114 | char * proxy_addr = getenv("ssh_proxy"); |
---|
| 1115 | char * sep; |
---|
| 1116 | char cmd[1024] = {0}, rcmd[1024] = {0}; |
---|
| 1117 | int proxy_port = 22; |
---|
[840] | 1118 | int use_socat = 0; |
---|
[839] | 1119 | int r; |
---|
| 1120 | int socks[2]; |
---|
| 1121 | |
---|
| 1122 | if ( host == NULL ) |
---|
| 1123 | return -1; |
---|
| 1124 | |
---|
| 1125 | if ( *host == '/' ) |
---|
[840] | 1126 | use_socat = 1; |
---|
[839] | 1127 | |
---|
| 1128 | if ( mode == MODE_LISTEN ) |
---|
| 1129 | return -1; |
---|
| 1130 | |
---|
| 1131 | if ( proxy_addr == NULL ) |
---|
| 1132 | return -1; |
---|
| 1133 | |
---|
[840] | 1134 | if ( opts != NULL ) { |
---|
| 1135 | if ( !strcmp(opts, "socat") ) { |
---|
| 1136 | use_socat = 1; |
---|
| 1137 | } else if ( !strcmp(opts, "netcat") ) { |
---|
| 1138 | use_socat = 0; |
---|
| 1139 | } else { |
---|
| 1140 | return -1; |
---|
| 1141 | } |
---|
| 1142 | } |
---|
| 1143 | |
---|
[1008] | 1144 | ROAR_DBG("roar_socket_open_ssh(*): proxy_addr='%s'", proxy_addr); |
---|
| 1145 | |
---|
[839] | 1146 | if ( (sep = strstr(proxy_addr, "@")) != NULL ) |
---|
| 1147 | proxy_addr = sep+1; |
---|
| 1148 | |
---|
| 1149 | if ( (sep = strstr(proxy_addr, ":")) != NULL ) { |
---|
| 1150 | *sep = 0; |
---|
| 1151 | proxy_port = atoi(sep+1); |
---|
| 1152 | } |
---|
| 1153 | |
---|
| 1154 | |
---|
| 1155 | if ( !strcmp(host, "+fork") ) { |
---|
[1068] | 1156 | strncpy(rcmd, "roard --no-listen --client-fh 0", 32); |
---|
[839] | 1157 | } else { |
---|
[840] | 1158 | if ( use_socat ) { |
---|
| 1159 | if ( *host == '/' ) { |
---|
| 1160 | snprintf(rcmd, 1023, "socat stdio unix-connect:\"%s\"", host); |
---|
| 1161 | } else { |
---|
| 1162 | snprintf(rcmd, 1023, "socat stdio tcp:\"%s\":%i", host, port); |
---|
| 1163 | } |
---|
| 1164 | } else { |
---|
| 1165 | snprintf(rcmd, 1023, "$(which netcat nc 2> /dev/null | grep -v \" \" | head -n 1) \"%s\" %i", host, port); |
---|
| 1166 | } |
---|
| 1167 | |
---|
[839] | 1168 | rcmd[1023] = 0; |
---|
| 1169 | } |
---|
| 1170 | |
---|
[1008] | 1171 | ROAR_DBG("roar_socket_open_ssh(*): proxy_port=%i, user='%s', proxy_addr='%s'", proxy_port, user, proxy_addr); |
---|
[1033] | 1172 | ROAR_DBG("roar_socket_open_ssh(*): rcmd: %s", rcmd); |
---|
[1063] | 1173 | snprintf(cmd, 1023, ROAR_HAVE_BIN_SSH " -p %i -l '%s' '%s' '%s'", proxy_port, user, proxy_addr, rcmd); |
---|
[839] | 1174 | cmd[1023] = 0; |
---|
| 1175 | |
---|
| 1176 | |
---|
[3897] | 1177 | // TODO: get this more portable! |
---|
| 1178 | #ifdef AF_UNIX |
---|
[839] | 1179 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
---|
| 1180 | return -1; |
---|
| 1181 | } |
---|
[3897] | 1182 | #else |
---|
| 1183 | return -1; |
---|
| 1184 | #endif |
---|
[839] | 1185 | |
---|
[5373] | 1186 | r = roar_fork(NULL); |
---|
[839] | 1187 | |
---|
| 1188 | if ( r == -1 ) { // error! |
---|
| 1189 | ROAR_ERR("roar_socket_open_ssh(*): Can not fork: %s", strerror(errno)); |
---|
| 1190 | close(socks[0]); |
---|
| 1191 | close(socks[1]); |
---|
| 1192 | return -1; |
---|
| 1193 | } else if ( r == 0 ) { // we are the child |
---|
| 1194 | close(socks[0]); |
---|
| 1195 | |
---|
| 1196 | close(ROAR_STDIN ); // we do not want roard to have any standard input |
---|
| 1197 | close(ROAR_STDOUT); // STDOUT is also not needed, so we close it, |
---|
| 1198 | // but STDERR we keep open for error messages. |
---|
| 1199 | |
---|
| 1200 | dup2(socks[1], 0); |
---|
| 1201 | dup2(socks[1], 1); |
---|
| 1202 | |
---|
[5364] | 1203 | execlp("sh", "sh", "-c", cmd, (_LIBROAR_GOOD_CAST char*)NULL); |
---|
[839] | 1204 | |
---|
| 1205 | // we are still alive? |
---|
| 1206 | ROAR_ERR("roar_socket_open_ssh(*): alive after exec(), that's bad!"); |
---|
| 1207 | _exit(1); |
---|
| 1208 | } else { // we are the parent |
---|
| 1209 | close(socks[1]); |
---|
| 1210 | return socks[0]; |
---|
| 1211 | } |
---|
| 1212 | return -1; |
---|
| 1213 | } |
---|
[1063] | 1214 | #endif |
---|
[839] | 1215 | |
---|
[1087] | 1216 | #endif // ROAR_SUPPORT_PROXY |
---|
| 1217 | |
---|
[0] | 1218 | //ll |
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