1 | //vio_proto.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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37 | int roar_vio_proto_init_def (struct roar_vio_defaults * def, char * dstr, int proto, struct roar_vio_defaults * odef) { |
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38 | int port = 0; |
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39 | int ret; |
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40 | char * ed; |
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41 | |
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42 | if ( def == NULL ) |
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43 | return -1; |
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44 | |
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45 | switch (proto) { |
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46 | case ROAR_VIO_PROTO_P_HTTP: port = 80; break; |
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47 | case ROAR_VIO_PROTO_P_GOPHER: port = 70; break; |
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48 | default: |
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49 | return -1; |
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50 | } |
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51 | |
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52 | if ( dstr == NULL ) |
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53 | dstr = "//"; |
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54 | |
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55 | if ( roar_vio_dstr_init_defaults(def, ROAR_VIO_DEF_TYPE_SOCKET, O_RDWR, 0644) == -1 ) |
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56 | return -1; |
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57 | |
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58 | if ( roar_vio_socket_init_tcp4_def(def, "localhost", port) == -1 ) |
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59 | return -1; |
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60 | |
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61 | if ( !strncmp(dstr, "//", 2) ) |
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62 | dstr += 2; |
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63 | |
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64 | if ( (ed = strstr(dstr, "/")) != NULL ) |
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65 | *ed = 0; |
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66 | |
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67 | ROAR_WARN("roar_vio_proto_init_def(*): def->o_flags=%i", def->o_flags); |
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68 | |
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69 | ret = roar_vio_socket_init_dstr_def(def, dstr, -1, SOCK_STREAM, def); |
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70 | |
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71 | ROAR_WARN("roar_vio_proto_init_def(*): def->o_flags=%i", def->o_flags); |
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72 | |
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73 | if ( ed != NULL ) |
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74 | *ed = '/'; |
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75 | |
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76 | return ret; |
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77 | } |
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78 | |
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79 | int roar_vio_open_proto (struct roar_vio_calls * calls, struct roar_vio_calls * dst, |
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80 | char * dstr, int proto, struct roar_vio_defaults * odef) { |
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81 | char * host; |
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82 | char * tmp; |
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83 | |
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84 | ROAR_WARN("roar_vio_open_proto(calls=%p, dst=%p, dstr='%s', proto=%i, odef=%p) = ?", calls, dst, dstr, proto, odef); |
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85 | |
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86 | if ( calls == NULL || dst == NULL || odef == NULL ) |
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87 | return -1; |
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88 | |
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89 | ROAR_WARN("roar_vio_open_proto(*): odef->o_flags=%i", odef->o_flags); |
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90 | ROAR_DBG("roar_vio_open_proto(*) = ?"); |
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91 | |
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92 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
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93 | return -1; |
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94 | |
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95 | ROAR_DBG("roar_vio_open_proto(*) = ?"); |
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96 | |
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97 | if ( dstr != NULL ) { |
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98 | dstr += 2; |
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99 | host = dstr; |
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100 | |
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101 | if ( (tmp = strstr(dstr, "/")) == NULL ) |
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102 | return -1; |
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103 | |
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104 | *tmp++ = 0; |
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105 | dstr = tmp; |
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106 | |
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107 | if ( (tmp = strstr(dstr, "#")) != NULL ) |
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108 | *tmp = 0; |
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109 | } else { |
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110 | ROAR_DBG("roar_vio_open_proto(*): no dstr!, odef->type=%i", odef->type); |
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111 | if ( odef->type == ROAR_VIO_DEF_TYPE_FILE ) { |
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112 | dstr = odef->d.file; |
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113 | host = "localhost"; |
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114 | |
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115 | for (; *dstr == '/'; dstr++); |
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116 | |
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117 | } else if ( odef->type == ROAR_VIO_DEF_TYPE_SOCKET ) { |
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118 | dstr = ""; // index document |
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119 | host = odef->d.socket.host; |
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120 | } else { |
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121 | return -1; |
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122 | } |
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123 | } |
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124 | |
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125 | ROAR_DBG("roar_vio_open_proto(*) = ?"); |
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126 | ROAR_WARN("roar_vio_open_proto(*): proto=%i, host='%s', file='%s'", proto, host, dstr); |
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127 | |
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128 | switch (proto) { |
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129 | case ROAR_VIO_PROTO_P_HTTP: |
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130 | return roar_vio_open_proto_http(calls, dst, host, dstr); |
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131 | break; |
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132 | case ROAR_VIO_PROTO_P_GOPHER: |
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133 | return roar_vio_open_proto_gopher(calls, dst, host, dstr); |
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134 | break; |
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135 | } |
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136 | |
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137 | return -1; |
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138 | } |
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139 | |
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140 | int roar_vio_open_proto_http (struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * host, char * file) { |
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141 | char buf[1024]; |
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142 | char b0[80], b1[80]; |
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143 | int status; |
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144 | int len; |
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145 | |
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146 | if ( calls == NULL || dst == NULL || host == NULL || file == NULL ) |
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147 | return -1; |
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148 | |
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149 | roar_vio_printf(dst, "GET /%s HTTP/1.1\r\n", file); |
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150 | roar_vio_printf(dst, "Host: %s\r\n", host); |
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151 | roar_vio_printf(dst, "User-Agent: roar_vio_open_proto_http() $Revision$\r\n"); |
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152 | roar_vio_printf(dst, "Connection: close\r\n"); |
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153 | roar_vio_printf(dst, "\r\n"); |
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154 | |
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155 | roar_vio_sync(dst); |
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156 | |
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157 | if ( (len = roar_vio_read(dst, buf, 1023)) < 1 ) |
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158 | return -1; |
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159 | |
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160 | buf[len] = 0; |
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161 | |
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162 | if ( sscanf(buf, "%79s %i %79s\n", b0, &status, b1) != 3 ) { |
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163 | return -1; |
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164 | } |
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165 | |
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166 | if ( status != 200 ) |
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167 | return -1; |
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168 | |
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169 | ROAR_WARN("roar_vio_open_proto_http(*): status=%i", status); |
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170 | // ROAR_WARN("roar_vio_open_proto_http(*): buf='%s'", buf); |
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171 | |
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172 | if ( !strcmp((buf+len)-4, "\r\n\r\n") ) |
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173 | return 0; |
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174 | |
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175 | while (*buf != '\r' && *buf != '\n') { |
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176 | if ( (len = roar_vio_read(dst, buf, 1023)) < 1 ) |
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177 | return -1; |
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178 | } |
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179 | |
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180 | return 0; |
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181 | } |
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182 | |
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183 | int roar_vio_open_proto_gopher (struct roar_vio_calls * calls, struct roar_vio_calls * dst, char * host, char * file) { |
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184 | if ( calls == NULL || dst == NULL || host == NULL || file == NULL ) |
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185 | return -1; |
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186 | |
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187 | ROAR_DBG("roar_vio_open_proto_gopher(calls=%p, dst=%p, host='%s', file='%s') = ?", calls, dst, host, file); |
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188 | |
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189 | if ( file[1] == '/' ) |
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190 | file += 2; |
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191 | |
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192 | roar_vio_printf(dst, "/%s\r\n", file); |
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193 | |
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194 | roar_vio_sync(dst); // for encryption/compression layers |
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195 | |
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196 | return 0; |
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197 | } |
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198 | |
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199 | //ll |
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