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2250
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1 /* ================================================================= |
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2 * |
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3 * http.h |
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4 * |
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5 * Improved HTTPD server. |
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6 * |
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7 * ================================================================= |
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8 * ####ECOSGPLCOPYRIGHTBEGIN#### |
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9 * ------------------------------------------- |
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10 * This file is part of eCos, the Embedded Configurable Operating |
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11 * System. |
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12 * Copyright (C) 2005 eCosCentric Ltd. |
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13 * |
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14 * eCos is free software; you can redistribute it and/or modify it |
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15 * under the terms of the GNU General Public License as published by |
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16 * the Free Software Foundation; either version 2 or (at your option) |
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17 * any later version. |
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18 * |
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19 * eCos is distributed in the hope that it will be useful, but |
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20 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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22 * General Public License for more details. |
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23 * |
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24 * You should have received a copy of the GNU General Public License |
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25 * along with eCos; if not, write to the Free Software Foundation, |
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26 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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27 * |
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28 * As a special exception, if other files instantiate templates or |
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29 * use macros or inline functions from this file, or you compile this |
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30 * file and link it with other works to produce a work based on this |
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31 * file, this file does not by itself cause the resulting work to be |
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32 * covered by the GNU General Public License. However the source code |
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33 * for this file must still be made available in accordance with |
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34 * section (3) of the GNU General Public License. |
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35 * |
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36 * This exception does not invalidate any other reasons why a work |
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37 * based on this file might be covered by the GNU General Public |
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38 * License. |
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39 * |
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40 * ------------------------------------------- |
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41 * ####ECOSGPLCOPYRIGHTEND#### |
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42 * ================================================================= |
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43 * #####DESCRIPTIONBEGIN#### |
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44 * |
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45 * Author(s): Anthony Tonizzo (atonizzo@gmail.com) |
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46 * Contributors: |
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47 * Date: 2006-06-12 |
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48 * Purpose: |
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49 * Description: |
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50 * |
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51 * ####DESCRIPTIONEND#### |
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52 * |
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53 * ================================================================= |
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54 */ |
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55 #ifndef __HTTP_H__ |
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56 #define __HTTP_H__ |
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57 |
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58 #include <pkgconf/system.h> |
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59 #include <pkgconf/isoinfra.h> |
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60 #include <cyg/hal/hal_tables.h> |
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61 |
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62 #include <pkgconf/athttpd.h> |
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63 #include <cyg/athttpd/auth.h> |
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64 |
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65 #ifdef CYGOPT_NET_ATHTTPD_USE_CGIBIN_TCL |
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66 #include <cyg/athttpd/jim.h> |
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67 #endif |
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68 |
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69 |
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70 typedef enum cyg_httpd_req_type |
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71 { |
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72 CYG_HTTPD_METHOD_GET = 1, |
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73 CYG_HTTPD_METHOD_HEAD = 2, |
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74 CYG_HTTPD_METHOD_POST = 3 |
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75 } cyg_httpd_req_type; |
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76 |
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77 #define CYG_HTTPD_MAXURL 128 |
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78 #define CYG_HTTPD_MAXPATH 128 |
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79 |
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80 #define CYG_HTTPD_MAXINBUFFER CYGNUM_ATHTTPD_SERVER_BUFFER_SIZE |
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81 #define CYG_HTTPD_MAXOUTBUFFER CYGNUM_ATHTTPD_SERVER_BUFFER_SIZE |
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82 |
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83 #define CYG_HTTPD_DEFAULT_CGIBIN_OBJLOADER_EXTENSION ".o" |
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84 #define CYG_HTTPD_DEFAULT_CGIBIN_TCL_EXTENSION ".tcl" |
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85 |
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86 #define CYG_HTTPD_TIME_STRING_LEN 32 |
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87 |
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88 #define CYG_HTTPD_STATUS_OK 200 |
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89 #define CYG_HTTPD_STATUS_MOVED_PERMANENTLY 301 |
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90 #define CYG_HTTPD_STATUS_NOT_MODIFIED 304 |
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91 #define CYG_HTTPD_STATUS_BAD_REQUEST 400 |
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92 #define CYG_HTTPD_STATUS_NOT_AUTHORIZED 401 |
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93 #define CYG_HTTPD_STATUS_FORBIDDEN 403 |
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94 #define CYG_HTTPD_STATUS_NOT_FOUND 404 |
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95 #define CYG_HTTPD_STATUS_METHOD_NOT_ALLOWED 405 |
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96 #define CYG_HTTPD_STATUS_SYSTEM_ERROR 500 |
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97 #define CYG_HTTPD_STATUS_NOT_IMPLEMENTED 501 |
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98 |
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99 #define CYG_HTTPD_MODE_CLOSE_CONN 0x0001 |
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100 #define CYG_HTTPD_MODE_TRANSFER_CHUNKED 0x0002 |
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101 #define CYG_HTTPD_SEND_HEADER_ONLY 0x0004 |
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102 |
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103 // This must be generated at random... |
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104 #define CYG_HTTPD_MD5_AUTH_NAME "MD5" |
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105 #define CYG_HTTPD_MD5_AUTH_QOP "auth" |
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106 #define CYG_HTTPD_MD5_AUTH_OPAQUE "0000000000000000" |
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107 |
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108 typedef struct __socket_entry |
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109 { |
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110 cyg_int32 descriptor; |
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111 time_t timestamp; |
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112 } socket_entry; |
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113 |
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114 // ============================================================================= |
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115 // Main HTTP structure. |
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116 // ============================================================================= |
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117 typedef struct |
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118 { |
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119 cyg_httpd_req_type method; |
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120 fd_set rfds; |
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121 |
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122 cyg_int32 host[4]; |
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123 |
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124 char url[CYG_HTTPD_MAXURL+1]; |
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125 char inbuffer[CYG_HTTPD_MAXINBUFFER+1]; |
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126 cyg_int32 inbuffer_len; |
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127 |
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128 |
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129 // Packet status. |
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130 // |
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131 // bit Description |
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132 // ------------------------------------------------------------------------- |
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133 // 0 When set inserts 'Pragma: no-cache' and |
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134 // 'Cache-control: no-cache' in the header. Default for callback |
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135 // functions. |
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136 // 1 When to close the connection: |
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137 // 'Connection: close' when 0, 'Connection: keep-alive' when 1. |
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138 cyg_uint16 mode; |
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139 |
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140 // Ouptut data. |
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141 cyg_uint16 status_code; |
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142 char *mime_type; |
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143 cyg_int32 payload_len; |
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144 char outbuffer[CYG_HTTPD_MAXOUTBUFFER+1]; |
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145 |
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146 socket_entry sockets[CYGNUM_FILEIO_NFILE]; |
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147 cyg_int32 fdmax; |
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148 |
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149 // Socket handle. |
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150 cyg_int32 client_index; |
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151 |
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152 time_t modified_since; |
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153 time_t last_modified; |
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154 |
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155 #ifdef CYGOPT_NET_ATHTTPD_USE_CGIBIN_TCL |
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156 Jim_Interp *jim_interp; |
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157 #endif |
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158 |
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159 // This pointer points to the information about the domain that needs |
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160 // to be authenticated. It is only used by the function that builds the |
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161 // header. |
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162 cyg_httpd_auth_table_entry *needs_auth; |
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163 |
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164 struct sockaddr_in server_conn; |
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165 struct sockaddr_in client_conn; |
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166 } CYG_HTTPD_STATE; |
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167 |
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168 extern CYG_HTTPD_STATE httpstate; |
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169 |
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170 extern const char *day_of_week[]; |
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171 extern const char *month_of_year[]; |
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172 |
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173 struct cyg_httpd_mime_table_entry |
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174 { |
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175 char *extension; |
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176 char *mime_string; |
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177 } CYG_HAL_TABLE_TYPE; |
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178 |
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179 typedef struct cyg_httpd_mime_table_entry cyg_httpd_mime_table_entry; |
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180 |
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181 #define CYG_HTTPD_MIME_TABLE_ENTRY(__name, __pattern, __arg) \ |
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182 cyg_httpd_mime_table_entry __name CYG_HAL_TABLE_ENTRY(httpd_mime_table) = \ |
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183 { __pattern, __arg } |
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184 |
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185 extern cyg_int32 debug_print; |
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186 |
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187 void cyg_httpd_format_time_string(char*, time_t*); |
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188 void cyg_httpd_set_home_page(cyg_int8*); |
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189 char* cyg_httpd_find_mime_string(char*); |
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190 cyg_int32 cyg_httpd_initialize(void); |
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191 void cyg_httpd_cleanup_filename(char*); |
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192 char* cyg_httpd_parse_GET(char*); |
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193 char* cyg_httpd_parse_POST(char*); |
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194 char* cyg_httpd_parse_HEAD(char*); |
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195 void cyg_httpd_handle_method_GET(void); |
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196 void cyg_httpd_handle_method_HEAD(void); |
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197 cyg_int32 cyg_httpd_process_method(void); |
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198 void cyg_httpd_send_file(char*); |
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199 void cyg_httpd_send_error(cyg_int32); |
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200 cyg_int32 cyg_httpd_format_header(void); |
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201 |
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202 #endif |
