[1331] | 1 | //vio_socket.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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| 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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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | * NOTE for everyone want's to change something and send patches: |
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| 24 | * read README and HACKING! There a addition information on |
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| 25 | * the license of this document you need to read before you send |
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| 26 | * any patches. |
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| 27 | * |
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| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 29 | * or libpulse*: |
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| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 31 | * and are therefore GPL. Because of this it may be illigal to use |
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| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 33 | */ |
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| 34 | |
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| 35 | #include "libroar.h" |
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| 36 | |
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[1333] | 37 | int roar_vio_open_def_socket (struct roar_vio_calls * calls, struct roar_vio_defaults * def) { |
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| 38 | int fh = -1; |
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| 39 | socklen_t len = 0; |
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| 40 | |
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| 41 | if ( calls == NULL || def == NULL ) |
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| 42 | return -1; |
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| 43 | |
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| 44 | if ( def->type != ROAR_VIO_DEF_TYPE_SOCKET ) |
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| 45 | return -1; |
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| 46 | |
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| 47 | switch (def->d.socket.domain) { |
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| 48 | case AF_INET: |
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| 49 | len = sizeof(struct sockaddr_in); |
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| 50 | |
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[1335] | 51 | if ( roar_vio_socket_init_inet4host_def(def) == -1 ) |
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| 52 | return -1; |
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| 53 | |
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[1333] | 54 | switch (def->d.socket.type) { |
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| 55 | case SOCK_STREAM: |
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| 56 | fh = roar_socket_new_tcp(); |
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| 57 | break; |
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| 58 | case SOCK_DGRAM: |
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| 59 | fh = roar_socket_new_udp(); |
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| 60 | break; |
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| 61 | default: |
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| 62 | return -1; |
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| 63 | } |
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| 64 | break; |
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| 65 | #ifdef ROAR_HAVE_UNIX |
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| 66 | case AF_UNIX: |
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| 67 | len = sizeof(struct sockaddr_un); |
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| 68 | |
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| 69 | switch (def->d.socket.type) { |
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| 70 | case SOCK_STREAM: |
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| 71 | fh = roar_socket_new_unix(); |
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| 72 | break; |
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| 73 | case SOCK_DGRAM: |
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| 74 | return -1; |
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| 75 | break; |
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| 76 | default: |
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| 77 | return -1; |
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| 78 | } |
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| 79 | break; |
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| 80 | #endif |
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| 81 | #ifdef ROAR_HAVE_LIBDNET |
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| 82 | case AF_DECnet: |
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| 83 | len = sizeof(struct sockaddr_dn); |
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| 84 | |
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| 85 | return -1; |
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| 86 | break; |
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| 87 | #endif |
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| 88 | #ifdef ROAR_HAVE_IPV6 |
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| 89 | case AF_INET6: |
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| 90 | len = sizeof(struct sockaddr_in6); |
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[1332] | 91 | |
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[1333] | 92 | switch (def->d.socket.type) { |
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| 93 | case SOCK_STREAM: |
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| 94 | fh = roar_socket_new_tcp6(); |
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| 95 | break; |
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| 96 | case SOCK_DGRAM: |
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| 97 | fh = roar_socket_new_udp6(); |
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| 98 | break; |
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| 99 | default: |
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| 100 | return -1; |
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| 101 | } |
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| 102 | break; |
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| 103 | #endif |
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| 104 | #ifdef ROAR_HAVE_IPX |
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| 105 | case AF_IPX: |
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| 106 | len = sizeof(struct sockaddr_ipx); |
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| 107 | |
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| 108 | return -1; |
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| 109 | break; |
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| 110 | #endif |
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| 111 | default: |
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| 112 | return -1; |
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| 113 | } |
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| 114 | |
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| 115 | if ( fh == -1 ) |
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| 116 | return -1; |
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| 117 | |
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| 118 | if ( connect(fh, &(def->d.socket.sa.sa), len) == -1 ) { |
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| 119 | close(fh); |
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| 120 | return -1; |
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| 121 | } |
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| 122 | |
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| 123 | if ( roar_vio_open_fh_socket(calls, fh) == -1 ) { |
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| 124 | close(fh); |
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| 125 | return -1; |
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| 126 | } |
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| 127 | |
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| 128 | return 0; |
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| 129 | } |
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| 130 | |
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| 131 | int roar_vio_socket_init_socket_def (struct roar_vio_defaults * def, int domain, int type) { |
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| 132 | if ( def == NULL || domain == -1 || type == -1 ) |
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| 133 | return -1; |
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| 134 | |
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| 135 | // we do not memset(def, 0, sizeof(...)) here |
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| 136 | // because this is allready done in roar_vio_dstr_init_defaults() |
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| 137 | // if we would be would override o_flags/o_mode and maybe others |
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| 138 | |
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| 139 | memset(&(def->d.socket.sa), 0, sizeof(def->d.socket.sa)); |
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| 140 | |
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| 141 | def->type = ROAR_VIO_DEF_TYPE_SOCKET; |
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| 142 | def->d.socket.domain = domain; |
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| 143 | def->d.socket.type = type; |
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| 144 | def->d.socket.sa.sa.sa_family = domain; |
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| 145 | |
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| 146 | return 0; |
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| 147 | } |
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| 148 | |
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[1335] | 149 | int roar_vio_socket_init_dstr_def (struct roar_vio_defaults * def, char * dstr, int hint, int type, |
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| 150 | struct roar_vio_defaults * odef) { |
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| 151 | char * host; |
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| 152 | int port; |
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| 153 | |
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| 154 | if ( def == NULL || dstr == NULL ) |
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| 155 | return -1; |
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| 156 | |
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| 157 | ROAR_WARN("roar_vio_socket_init_dstr_def(def=%p, dstr='%s', hint=%i, type=%i, odef=%p) = ?", def, dstr, hint, type, odef); |
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| 158 | |
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| 159 | if ( hint == -1 ) { |
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| 160 | if ( 0 ) { // this is needed to keep the syntx ok, compiler will throw it away |
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| 161 | #ifdef ROAR_HAVE_IPV6 |
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| 162 | } else if ( strstr(dstr, "[") != NULL ) { // [ip]:service |
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| 163 | hint = AF_INET6; |
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| 164 | #endif |
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| 165 | #ifdef ROAR_HAVE_LIBDNET |
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| 166 | } else if ( strstr(dstr, "::") != NULL ) { // node::object |
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| 167 | hint = AF_DECnet; |
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| 168 | #endif |
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| 169 | #ifdef ROAR_HAVE_IPX |
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| 170 | } else if ( strstr(dstr, "(") != NULL ) { // net:mac(service) |
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| 171 | hint = AF_IPX; |
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| 172 | #endif |
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| 173 | #ifdef ROAR_HAVE_UNIX |
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| 174 | } else if ( strstr(dstr, "/") != NULL ) { // /path/to/sock |
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| 175 | hint = AF_UNIX; |
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| 176 | #endif |
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| 177 | } else if ( strstr(dstr, ":") != NULL ) { // host:port |
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| 178 | hint = AF_INET; |
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| 179 | } |
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| 180 | } |
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| 181 | |
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| 182 | if ( hint == -1 && odef != NULL ) { // if we still don't know what this is we try |
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| 183 | // to use the parent objects request |
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| 184 | if ( odef->type == ROAR_VIO_DEF_TYPE_SOCKET ) { |
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| 185 | hint = odef->d.socket.domain; |
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| 186 | } |
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| 187 | } |
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| 188 | |
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| 189 | if ( hint == -1 ) /* we really have no glue what this is... */ |
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| 190 | return -1; |
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| 191 | |
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| 192 | #ifdef ROAR_HAVE_UNIX |
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| 193 | if ( hint == AF_UNIX ) { |
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| 194 | if ( *dstr != 0 && strcmp(dstr, "//") != 0 ) { |
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| 195 | return roar_vio_socket_init_unix_def(def, dstr); |
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| 196 | } else { |
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| 197 | if ( roar_vio_socket_conv_def(odef, AF_UNIX) == -1 ) |
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| 198 | return -1; |
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| 199 | |
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| 200 | return roar_vio_socket_init_unix_def(def, odef->d.socket.sa.un.sun_path); |
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| 201 | } |
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| 202 | } |
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| 203 | #endif |
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| 204 | |
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| 205 | for (; *dstr == '/'; dstr++); |
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| 206 | |
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| 207 | switch (hint) { |
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| 208 | case AF_INET: |
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| 209 | host = dstr; |
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| 210 | for (; *dstr != 0 && *dstr != ':'; dstr++); |
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| 211 | |
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| 212 | if ( *dstr == ':' ) { // we have a port :) |
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| 213 | *dstr++ = 0; |
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| 214 | if ( (port = roar_vio_socket_get_port(dstr, AF_INET, type)) == -1 ) |
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| 215 | return -1; |
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| 216 | |
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| 217 | return roar_vio_socket_init_inet4_def(def, host, port, type); |
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| 218 | } else { |
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| 219 | if ( roar_vio_socket_conv_def(odef, AF_INET) == -1 ) |
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| 220 | return -1; |
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| 221 | |
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| 222 | return roar_vio_socket_init_inet4_def(def, host, ROAR_NET2HOST16(odef->d.socket.sa.in.sin_port), type); |
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| 223 | } |
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| 224 | break; |
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| 225 | #ifdef ROAR_HAVE_LIBDNET |
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| 226 | case AF_DECnet: |
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| 227 | return -1; |
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| 228 | break; |
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| 229 | #endif |
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| 230 | #ifdef ROAR_HAVE_IPV6 |
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| 231 | case AF_INET6: |
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| 232 | return -1; |
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| 233 | break; |
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| 234 | #endif |
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| 235 | #ifdef ROAR_HAVE_IPX |
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| 236 | case AF_IPX: |
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| 237 | return -1; |
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| 238 | break; |
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| 239 | #endif |
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| 240 | default: |
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| 241 | return -1; |
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| 242 | } |
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| 243 | |
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| 244 | return 0; |
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| 245 | } |
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| 246 | |
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| 247 | int roar_vio_socket_conv_def (struct roar_vio_defaults * def, int domain) { |
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| 248 | return -1; |
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| 249 | } |
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| 250 | |
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| 251 | int roar_vio_socket_get_port (char * service, int domain, int type) { |
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| 252 | if ( service == NULL || domain == -1 || type == -1 ) |
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| 253 | return -1; |
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| 254 | |
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| 255 | // TODO: we should write something better |
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| 256 | return atoi(service); |
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| 257 | } |
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| 258 | |
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| 259 | // AF_UNIX: |
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[1333] | 260 | int roar_vio_socket_init_unix_def (struct roar_vio_defaults * def, char * path) { |
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[1335] | 261 | #ifdef ROAR_HAVE_UNIX |
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[1333] | 262 | if ( roar_vio_socket_init_socket_def(def, AF_UNIX, SOCK_STREAM) == -1 ) |
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| 263 | return -1; |
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| 264 | |
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| 265 | strncpy(def->d.socket.sa.un.sun_path, path, sizeof(def->d.socket.sa.un.sun_path) - 1); |
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| 266 | |
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| 267 | return 0; |
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[1335] | 268 | #else |
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| 269 | return -1; |
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| 270 | #endif |
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[1333] | 271 | } |
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| 272 | |
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[1335] | 273 | // AF_DECnet: |
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[1332] | 274 | int roar_vio_socket_init_decnet_def (struct roar_vio_defaults * def, char * node, int object, char * objname); |
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| 275 | |
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[1335] | 276 | |
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| 277 | // AF_INET: |
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| 278 | int roar_vio_socket_init_inet4host_def(struct roar_vio_defaults * def) { |
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[1333] | 279 | struct hostent * he; |
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| 280 | |
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[1335] | 281 | if ( def == NULL ) |
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[1333] | 282 | return -1; |
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| 283 | |
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[1335] | 284 | if ( def->d.socket.host == NULL ) |
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| 285 | return -1; |
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| 286 | |
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| 287 | if ( (he = gethostbyname(def->d.socket.host)) == NULL ) { |
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[1333] | 288 | ROAR_ERR("roar_vio_socket_init_inet4host_def(*): Can\'t resolve host name '%s'", |
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[1335] | 289 | def->d.socket.host); |
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[1333] | 290 | return -1; |
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| 291 | } |
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| 292 | |
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| 293 | memcpy((struct in_addr *)&def->d.socket.sa.in.sin_addr, he->h_addr, sizeof(struct in_addr)); |
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| 294 | |
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| 295 | return 0; |
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| 296 | } |
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| 297 | |
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[1335] | 298 | int roar_vio_socket_init_inet4_def (struct roar_vio_defaults * def, char * host, int port, int type) { |
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| 299 | if ( roar_vio_socket_init_socket_def(def, AF_INET, type) == -1 ) |
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[1333] | 300 | return -1; |
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| 301 | |
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[1335] | 302 | def->d.socket.host = host; |
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[1333] | 303 | |
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| 304 | def->d.socket.sa.in.sin_port = ROAR_HOST2NET16(port); |
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| 305 | |
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| 306 | return 0; |
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| 307 | } |
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| 308 | |
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[1335] | 309 | int roar_vio_socket_init_tcp4_def (struct roar_vio_defaults * def, char * host, int port) { |
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| 310 | return roar_vio_socket_init_inet4_def(def, host, port, SOCK_STREAM); |
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| 311 | } |
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| 312 | |
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| 313 | int roar_vio_socket_init_udp4_def (struct roar_vio_defaults * def, char * host, int port) { |
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| 314 | return roar_vio_socket_init_inet4_def(def, host, port, SOCK_DGRAM); |
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| 315 | } |
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| 316 | |
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| 317 | |
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| 318 | // AF_INET6: |
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| 319 | int roar_vio_socket_init_inet6host_def(struct roar_vio_defaults * def); |
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| 320 | int roar_vio_socket_init_inet6_def (struct roar_vio_defaults * def, char * host, int port, int type) { |
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| 321 | return -1; |
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| 322 | } |
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| 323 | |
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| 324 | int roar_vio_socket_init_tcp6_def (struct roar_vio_defaults * def, char * host, int port) { |
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| 325 | return roar_vio_socket_init_inet6_def(def, host, port, SOCK_STREAM); |
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| 326 | } |
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| 327 | |
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| 328 | int roar_vio_socket_init_udp6_def (struct roar_vio_defaults * def, char * host, int port) { |
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| 329 | return roar_vio_socket_init_inet6_def(def, host, port, SOCK_DGRAM); |
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| 330 | } |
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[1332] | 331 | |
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[1331] | 332 | //ll |
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