1 | /*
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2 | * TOPPERS PROJECT Home Network Working Group Software
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3 | *
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4 | * Copyright (C) 2017-2019 Cores Co., Ltd. Japan
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5 | *
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6 | * 上記著作権者は,以下の(1)~(4)の条件を満たす場合に限り,本ソフトウェ
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7 | * ア(本ソフトウェアを改変したものを含む.以下同じ)を使用・複製・改
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8 | * 変・再配布(以下,利用と呼ぶ)することを無償で許諾する.
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9 | * (1) 本ソフトウェアをソースコードの形で利用する場合には,上記の著作
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10 | * 権表示,この利用条件および下記の無保証規定が,そのままの形でソー
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11 | * スコード中に含まれていること.
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12 | * (2) 本ソフトウェアを,ライブラリ形式など,他のソフトウェア開発に使
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13 | * 用できる形で再配布する場合には,再配布に伴うドキュメント(利用
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14 | * 者マニュアルなど)に,上記の著作権表示,この利用条件および下記
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15 | * の無保証規定を掲載すること.
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16 | * (3) 本ソフトウェアを,機器に組み込むなど,他のソフトウェア開発に使
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17 | * 用できない形で再配布する場合には,次のいずれかの条件を満たすこ
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18 | * と.
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19 | * (a) 再配布に伴うドキュメント(利用者マニュアルなど)に,上記の著
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20 | * 作権表示,この利用条件および下記の無保証規定を掲載すること.
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21 | * (b) 再配布の形態を,別に定める方法によって,TOPPERSプロジェクトに
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22 | * 報告すること.
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23 | * (4) 本ソフトウェアの利用により直接的または間接的に生じるいかなる損
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24 | * 害からも,上記著作権者およびTOPPERSプロジェクトを免責すること.
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25 | * また,本ソフトウェアのユーザまたはエンドユーザからのいかなる理
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26 | * 由に基づく請求からも,上記著作権者およびTOPPERSプロジェクトを
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27 | * 免責すること.
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28 | *
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29 | * 本ソフトウェアは,無保証で提供されているものである.上記著作権者お
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30 | * よびTOPPERSプロジェクトは,本ソフトウェアに関して,特定の使用目的
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31 | * に対する適合性も含めて,いかなる保証も行わない.また,本ソフトウェ
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32 | * アの利用により直接的または間接的に生じたいかなる損害に関しても,そ
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33 | * の責任を負わない.
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34 | *
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35 | * @(#) $Id$
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36 | */
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37 |
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38 | #include "httpd.h"
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39 | #include <string.h>
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40 | #include <stdlib.h>
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41 | #include "kernel_cfg.h"
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42 | #include "tinet_cfg.h"
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43 | #include "syssvc/syslog.h"
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44 | #include "http-strings.h"
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45 | #include <tinet_defs.h>
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46 | #include <tinet_config.h>
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47 | #include "netinet/in.h"
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48 | #include "netinet/in_var.h"
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49 | #include "netinet/in_itron.h"
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50 | #include "httpd.h"
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51 | #include "httpd-fs.h"
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52 | #include "http-strings.h"
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53 | #include "base64.h"
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54 | #include "sha1.h"
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55 | #include "core/ntlibc.h"
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56 |
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57 | #define TRUE 1
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58 | #define FALSE 0
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59 |
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60 | SYSTIM httpd_time;
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61 | struct httpd_state *uploding;
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62 | static char command[256];
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63 |
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64 | /* TCP 送受信ウィンドバッファ */
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65 | #ifdef SUPPORT_INET6
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66 | uint8_t tcp6_swbuf1[TCP_SWBUF_SIZE];
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67 | uint8_t tcp6_rwbuf1[TCP_RWBUF_SIZE];
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68 | uint8_t tcp6_swbuf2[TCP_SWBUF_SIZE];
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69 | uint8_t tcp6_rwbuf2[TCP_RWBUF_SIZE];
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70 | #endif
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71 |
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72 | #ifdef SUPPORT_INET4
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73 | uint8_t tcp_swbuf1[TCP_SWBUF_SIZE];
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74 | uint8_t tcp_rwbuf1[TCP_RWBUF_SIZE];
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75 | uint8_t tcp_swbuf2[TCP_SWBUF_SIZE];
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76 | uint8_t tcp_rwbuf2[TCP_RWBUF_SIZE];
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77 | #endif
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78 |
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79 | #define ISO_nl 0x0a
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80 | #define ISO_space 0x20
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81 | #define ISO_bang 0x21
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82 | #define ISO_percent 0x25
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83 | #define ISO_period 0x2e
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84 | #define ISO_slash 0x2f
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85 | #define ISO_colon 0x3a
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86 |
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87 | struct httpd_state httpd_state[2] = {
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88 | { HTTPD1_TASK, TCP_CEPID1 },
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89 | { HTTPD2_TASK, TCP_CEPID2 },
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90 | };
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91 |
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92 | #ifndef _MSC_VER
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93 | #define strnlen httpd_strnlen
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94 | /* strnlen() is a POSIX.2008 addition. Can't rely on it being available so
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95 | * define it ourselves.
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96 | */
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97 | size_t
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98 | strnlen(const char *s, size_t maxlen)
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99 | {
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100 | const char *p;
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101 |
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102 | p = memchr(s, '\0', maxlen);
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103 | if (p == NULL)
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104 | return maxlen;
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105 |
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106 | return p - s;
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107 | }
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108 |
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109 | void strcpy_s(char *dst, int size, const char *src)
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110 | {
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111 | int slen = strlen(src);
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112 | if (slen >= size)
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113 | slen = size - 1;
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114 | memcpy(dst, src, slen);
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115 | dst[slen] = '\0';
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116 | }
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117 |
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118 | void strcat_s(char *dst, int size, const char *src)
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119 | {
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120 | int dlen = strlen(dst);
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121 | int slen = strlen(src);
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122 | if (dlen + slen >= size)
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123 | slen = size - 1 - dlen;
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124 | memcpy(&dst[dlen], src, slen);
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125 | dst[dlen + slen] = '\0';
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126 | }
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127 | #endif
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128 |
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129 | int httpd_strnicmp(const char *s1, const char *s2, size_t n)
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130 | {
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131 | int i;
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132 | char c1, c2;
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133 |
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134 | for (i = 0; i < n; i++, s1++, s2++) {
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135 | c1 = *s1;
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136 | c2 = *s2;
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137 | if (c1 == '\0' && c2 == '\0')
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138 | return 0;
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139 |
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140 | if (c1 >= 'a' && c1 <= 'z')
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141 | c1 += 'A' - 'a';
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142 |
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143 | if (c2 >= 'a' && c2 <= 'z')
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144 | c2 += 'A' - 'a';
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145 |
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146 | if (c1 < c2)
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147 | return -1;
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148 |
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149 | if (c1 > c2)
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150 | return 1;
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151 | }
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152 |
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153 | return 0;
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154 | }
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155 |
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156 | size_t
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157 | strlncat(char *dst, size_t len, const char *src, size_t n)
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158 | {
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159 | size_t slen;
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160 | size_t dlen;
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161 | size_t rlen;
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162 | size_t ncpy = 0;
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163 |
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164 | slen = strnlen(src, n);
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165 | dlen = strnlen(dst, len);
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166 |
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167 | if (dlen < len) {
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168 | rlen = len - dlen;
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169 | ncpy = slen < rlen ? slen : (rlen - 1);
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170 | memcpy(dst + dlen, src, ncpy);
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171 | dst[dlen + ncpy] = '\0';
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172 | }
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173 |
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174 | //assert(len > slen + dlen);
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175 | //return slen + dlen;
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176 | return ncpy;
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177 | }
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178 |
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179 | int websvr_message_begin(http_parser *p)
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180 | {
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181 | struct httpd_state *s = get_context(p);
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182 | memset(&s->message, 0, sizeof(s->message));
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183 | s->message.message_begin_cb_called = TRUE;
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184 | return 0;
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185 | }
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186 |
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187 | int websvr_request_url(http_parser *p, const char *buf, size_t len)
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188 | {
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189 | struct httpd_state *s = get_context(p);
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190 |
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191 | strlncat(s->message.request_url, sizeof(s->message.request_url), buf, len);
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192 |
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193 | char *ptr = strrchr(s->message.request_url, '?');
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194 | if (ptr != NULL) {
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195 | ptr[0] = '\0';
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196 | s->query = &ptr[1];
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197 | }
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198 | else
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199 | s->query = NULL;
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200 |
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201 | /* ""か"/"なら"index.html"に変更 */
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202 | if ((s->message.request_url[0] == '\0') || ((s->message.request_url[0] == '/') && (s->message.request_url[1] == '\0'))) {
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203 | s->filename = &s->message.filename[sizeof(s->message.filename) - 2];
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204 | strcpy_s(s->filename, sizeof(s->message.request_url) + 2, "0:");
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205 | strcat_s(s->filename, sizeof(s->message.request_url) + 2, http_www);
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206 | strcat_s(s->filename, sizeof(s->message.request_url) + 2, http_index_html);
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207 | s->file.redirect = 1;
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208 | }
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209 | /* "/~/"ならSDカードから読み込み */
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210 | else if ((s->message.request_url[0] == '/') && (s->message.request_url[1] == '~') && (s->message.request_url[2] == '/')) {
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211 | s->filename = &s->message.filename[sizeof(s->message.filename) - 2 - sizeof(http_www) - 1 + 2];
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212 | memcpy(s->filename, "1:", 2);
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213 | memcpy(&s->filename[2], http_www, sizeof(http_www) - 1);
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214 | }
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215 | else {
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216 | s->filename = &s->message.filename[sizeof(s->message.filename) - 2 - sizeof(http_www) - 1 + 2];
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217 | memcpy(s->filename, "0:", 2);
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218 | memcpy(&s->filename[2], http_www, sizeof(http_www) - 1);
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219 | }
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220 | return 0;
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221 | }
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222 |
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223 | int websvr_response_status(http_parser *p, const char *buf, size_t len)
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224 | {
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225 | struct httpd_state *s = get_context(p);
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226 |
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227 | strlncat(s->message.response_status, sizeof(s->message.response_status), buf, len);
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228 |
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229 | return 0;
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230 | }
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231 |
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232 | int websvr_header_field(http_parser *p, const char *buf, size_t len)
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233 | {
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234 | struct httpd_state *s = get_context(p);
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235 | struct message *m = &s->message;
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236 |
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237 | if (strncmp("Referer", buf, len) == 0) {
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238 | m->num_headers = 1;
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239 | }
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240 | else if (strncmp("Host", buf, len) == 0) {
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241 | m->num_headers = 2;
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242 | }
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243 | else if (strncmp("Upgrade", buf, len) == 0) {
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244 | m->num_headers = 3;
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245 | }
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246 | else if (strncmp("Connection", buf, len) == 0) {
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247 | m->num_headers = 4;
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248 | }
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249 | else if (strncmp("Sec-WebSocket-Key", buf, len) == 0) {
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250 | m->num_headers = 5;
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251 | }
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252 | else if (strncmp("Origin", buf, len) == 0) {
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253 | m->num_headers = 6;
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254 | }
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255 | else if (strncmp("Sec-WebSocket-Protocol", buf, len) == 0) {
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256 | m->num_headers = 7;
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257 | }
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258 | else if (strncmp("Sec-WebSocket-Version", buf, len) == 0) {
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259 | m->num_headers = 8;
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260 | }
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261 | else {
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262 | m->num_headers = 0;
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263 | }
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264 |
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265 | return 0;
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266 | }
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267 |
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268 | int websvr_header_value(http_parser *p, const char *buf, size_t len)
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269 | {
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270 | struct httpd_state *s = get_context(p);
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271 | struct message *m = &s->message;
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272 |
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273 | switch (m->num_headers) {
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274 | case 1:
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275 | strlncat(m->referer, sizeof(m->referer), buf, len);
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276 | break;
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277 | case 2:
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278 | strlncat(m->host, sizeof(m->host), buf, len);
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279 | break;
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280 | case 3:
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281 | strlncat(m->upgrade, sizeof(m->upgrade), buf, len);
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282 | break;
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283 | case 4:
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284 | strlncat(m->connection, sizeof(m->connection), buf, len);
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285 | break;
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286 | case 5:
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287 | strlncat(m->sec_websocket_key, sizeof(m->sec_websocket_key), buf, len);
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288 | break;
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289 | case 6:
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290 | strlncat(m->origin, sizeof(m->origin), buf, len);
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291 | break;
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292 | case 7:
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293 | strlncat(m->sec_websocket_protocol, sizeof(m->sec_websocket_protocol), buf, len);
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294 | break;
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295 | case 8:
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296 | strlncat(m->sec_websocket_version, sizeof(m->sec_websocket_version), buf, len);
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297 | break;
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298 | }
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299 |
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300 | return 0;
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301 | }
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302 |
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303 | int websvr_headers_complete(http_parser *p)
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304 | {
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305 | struct httpd_state *s = get_context(p);
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306 |
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307 | s->message.method = p->method;
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308 | s->message.http_major = p->http_major;
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309 | s->message.http_minor = p->http_minor;
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310 | s->message.headers_complete_cb_called = TRUE;
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311 | s->message.should_keep_alive = http_should_keep_alive(p);
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312 |
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313 | if ((s->message.method == HTTP_GET)
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314 | && httpd_strnicmp(http_websocket, s->message.upgrade, sizeof(s->message.upgrade)) == 0) {
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315 | s->in.state = IN_STATE_WEBSOCKET;
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316 | s->state = STATE_WEBSOCKET;
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317 | s->close_req = 0;
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318 | websocket_init(&s->websocket, s->cepid);
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319 | return 0;
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320 | }
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321 | else if (s->message.method == HTTP_GET) {
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322 | s->in.state = IN_STATE_RESPONSE;
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323 | s->out.state = OUT_STATE_OPEN_GET_FILE;
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324 | return 1;
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325 | }
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326 | else if (s->message.method == HTTP_POST) {
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327 | if ((s->parser.content_length > 16 * 1024)
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328 | || httpd_strnicmp(s->message.request_url, http_upload, sizeof(http_upload) - 1) != 0) {
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329 | goto error;
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330 | }
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331 |
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332 | if (uploding == NULL) {
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333 | uploding = s;
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334 | // アップロード先はSDカード
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335 | s->filename[0] = '1';
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336 | printf("create: %s.%d %s\n", s->addr, ((T_IPV4EP *)s->dst)->portno, s->filename);
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337 | if (!httpd_fs_create(s->filename, &s->file)) {
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338 | goto error;
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339 | }
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340 |
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341 | s->in.state = IN_STATE_UPLOAD;
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342 | }
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343 | else if (strcmp(s->filename, uploding->filename) == 0) {
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344 | printf("collision: %s.%d %s\n", s->addr, ((T_IPV4EP *)s->dst)->portno, s->filename);
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345 | goto error;
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346 | }
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347 | else {
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348 | s->in.state = IN_STATE_UPLOAD_WAIT;
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349 | s->in.wait = true;
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350 | }
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351 |
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352 | s->out.state = OUT_STATE_WAIT_POST_BODY;
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353 | s->out.wait = true;
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354 | return 0;
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355 | }
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356 | else {
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357 | s->state = STATE_CLOSING;
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358 | return 1;
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359 | }
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360 | error:
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361 | s->filename = NULL;
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362 | s->response_body = http_content_403;
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363 | s->response_pos = 0;
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364 | s->response_len = sizeof(http_content_403) - 1;
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365 |
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366 | s->out.statushdr = http_header_403;
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367 | s->out.state = OUT_STATE_SEND_HEADER;
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368 | return 1;
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369 | }
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370 |
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371 | int websvr_body(http_parser *p, const char *buf, size_t len)
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372 | {
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373 | struct httpd_state *s = get_context(p);
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374 |
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375 | if (s->message.body_is_final) {
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376 | printf("\n\n *** Error http_body_is_final() should return 1 \n"
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377 | "on last on_body callback call "
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378 | "but it doesn't! ***\n\n");
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379 | s->state = STATE_CLOSING;
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380 | return 0;
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381 | }
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382 |
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383 | httpd_fs_write(&s->file, buf, len);
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384 |
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385 | s->message.body_size += len;
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386 | s->message.body_is_final = http_body_is_final(p);
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387 |
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388 | if (s->message.body_is_final) {
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389 | printf("close: %s.%d %s\n", s->addr, ((T_IPV4EP *)s->dst)->portno, s->filename);
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390 | httpd_fs_close(&s->file);
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391 | memset(&s->file, 0, sizeof(s->file));
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392 |
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393 | strcpy_s(command, sizeof(command), "mruby -b ");
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394 | strcat_s(command, sizeof(command), s->filename);
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395 | s->reset = 1;
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396 |
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397 | s->filename = NULL;
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398 | s->response_body = http_content_200;
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399 | s->response_pos = 0;
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400 | s->response_len = sizeof(http_content_200) - 1;
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401 |
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402 | uploding = NULL;
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403 | s->in.state = IN_STATE_END;
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404 | s->out.state = OUT_STATE_BODY_RECEIVED;
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405 | }
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406 |
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407 | return 0;
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408 | }
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409 |
|
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410 | int websvr_message_complete(http_parser *p)
|
---|
411 | {
|
---|
412 | struct httpd_state *s = get_context(p);
|
---|
413 | if (s->message.should_keep_alive != http_should_keep_alive(p)) {
|
---|
414 | printf("\n\n *** Error http_should_keep_alive() should have same \n"
|
---|
415 | "value in both on_message_complete and on_headers_complete "
|
---|
416 | "but it doesn't! ***\n\n");
|
---|
417 | assert(0);
|
---|
418 | }
|
---|
419 |
|
---|
420 | if (s->message.body_size &&
|
---|
421 | http_body_is_final(p) &&
|
---|
422 | !s->message.body_is_final) {
|
---|
423 | printf("\n\n *** Error http_body_is_final() should return 1 \n"
|
---|
424 | "on last on_body callback call "
|
---|
425 | "but it doesn't! ***\n\n");
|
---|
426 | assert(0);
|
---|
427 | }
|
---|
428 |
|
---|
429 | s->message.message_complete_cb_called = TRUE;
|
---|
430 | return 0;
|
---|
431 | }
|
---|
432 |
|
---|
433 | http_parser_settings websvr_settings =
|
---|
434 | {
|
---|
435 | websvr_message_begin,
|
---|
436 | websvr_request_url,
|
---|
437 | websvr_response_status,
|
---|
438 | websvr_header_field,
|
---|
439 | websvr_header_value,
|
---|
440 | websvr_headers_complete,
|
---|
441 | websvr_body,
|
---|
442 | websvr_message_complete,
|
---|
443 | };
|
---|
444 |
|
---|
445 | /*
|
---|
446 | * ネットワーク層の選択
|
---|
447 | */
|
---|
448 |
|
---|
449 | #ifdef SUPPORT_INET6
|
---|
450 |
|
---|
451 | #define TCP_ACP_CEP(c,r,d,t) tcp6_acp_cep(c,r,d,t)
|
---|
452 | #define IP2STR(s,a) ipv62str(s,a)
|
---|
453 |
|
---|
454 | #else /* of #ifdef SUPPORT_INET6 */
|
---|
455 |
|
---|
456 | #ifdef SUPPORT_INET4
|
---|
457 |
|
---|
458 | #define TCP_ACP_CEP(c,r,d,t) tcp_acp_cep(c,r,d,t)
|
---|
459 | #define IP2STR(s,a) ip2str(s,a)
|
---|
460 |
|
---|
461 | #endif /* of #ifdef SUPPORT_INET4 */
|
---|
462 |
|
---|
463 | #endif /* of #ifdef SUPPORT_INET6 */
|
---|
464 |
|
---|
465 | struct httpd_state *get_httpd(ID cepid)
|
---|
466 | {
|
---|
467 | for (int i = 0; i < 2; i++) {
|
---|
468 | if (httpd_state[i].cepid != cepid)
|
---|
469 | continue;
|
---|
470 |
|
---|
471 | return &httpd_state[i];
|
---|
472 | }
|
---|
473 | return NULL;
|
---|
474 | }
|
---|
475 |
|
---|
476 | struct websocket *websocket_getws(ID wbsid)
|
---|
477 | {
|
---|
478 | for (int i = 0; i < 2; i++) {
|
---|
479 | if (httpd_state[i].websocket.wbsid != wbsid)
|
---|
480 | continue;
|
---|
481 |
|
---|
482 | return &httpd_state[i].websocket;
|
---|
483 | }
|
---|
484 | return NULL;
|
---|
485 | }
|
---|
486 |
|
---|
487 | void send_file(struct httpd_state *s)
|
---|
488 | {
|
---|
489 | char *buf;
|
---|
490 | int len, slen;
|
---|
491 |
|
---|
492 | while (s->file.len > 0) {
|
---|
493 | slen = tcp_get_buf(s->cepid, (void **)&buf, TMO_FEVR);
|
---|
494 | if (slen < 0) {
|
---|
495 | printf("send_file#tcp_get_buf(%s.%d) => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, slen);
|
---|
496 | s->state = STATE_CLOSING;
|
---|
497 | break;
|
---|
498 | }
|
---|
499 | if (slen == 0)
|
---|
500 | return;
|
---|
501 |
|
---|
502 | len = s->file.len;
|
---|
503 | if (len > slen)
|
---|
504 | len = slen;
|
---|
505 |
|
---|
506 | len = httpd_fs_read(&s->file, buf, len);
|
---|
507 | if (len <= 0) {
|
---|
508 | printf("send_file#httpd_fs_read(%s.%d) => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, len);
|
---|
509 | break;
|
---|
510 | }
|
---|
511 |
|
---|
512 | s->file.len -= len;
|
---|
513 | s->file.pos += len;
|
---|
514 |
|
---|
515 | if ((slen = tcp_snd_buf(s->cepid, len)) != E_OK) {
|
---|
516 | printf("send_file#tcp_snd_buf(%s.%d) => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, slen);
|
---|
517 | s->state = STATE_CLOSING;
|
---|
518 | break;
|
---|
519 | }
|
---|
520 | }
|
---|
521 |
|
---|
522 | printf("close: %s.%d %s\n", s->addr, ((T_IPV4EP *)s->dst)->portno, s->filename);
|
---|
523 | httpd_fs_close(&s->file);
|
---|
524 | s->file.len = 0;
|
---|
525 | s->file.pos = 0;
|
---|
526 |
|
---|
527 | s->out.state = OUT_STATE_SEND_END;
|
---|
528 | }
|
---|
529 |
|
---|
530 | void send_data(struct httpd_state *s)
|
---|
531 | {
|
---|
532 | char *buf;
|
---|
533 | int len, slen;
|
---|
534 |
|
---|
535 | while (s->response_len > 0) {
|
---|
536 | slen = tcp_get_buf(s->cepid, (void **)&buf, TMO_FEVR);
|
---|
537 | if (slen < 0) {
|
---|
538 | printf("send_data#tcp_get_buf(%s.%d) => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, slen);
|
---|
539 | s->state = STATE_CLOSING;
|
---|
540 | break;
|
---|
541 | }
|
---|
542 | if (slen == 0)
|
---|
543 | return;
|
---|
544 |
|
---|
545 | len = s->response_len;
|
---|
546 | if (len > slen)
|
---|
547 | len = slen;
|
---|
548 |
|
---|
549 | memcpy(buf, &s->response_body[s->response_pos], len);
|
---|
550 |
|
---|
551 | s->response_len -= len;
|
---|
552 | s->response_pos += len;
|
---|
553 |
|
---|
554 | if ((slen = tcp_snd_buf(s->cepid, len)) != E_OK) {
|
---|
555 | printf("send_data#tcp_snd_buf(%s.%d) => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, slen);
|
---|
556 | s->state = STATE_CLOSING;
|
---|
557 | break;
|
---|
558 | }
|
---|
559 | }
|
---|
560 |
|
---|
561 | s->response_body = NULL;
|
---|
562 | s->response_len = 0;
|
---|
563 | s->response_pos = 0;
|
---|
564 |
|
---|
565 | s->out.state = OUT_STATE_SEND_END;
|
---|
566 | }
|
---|
567 |
|
---|
568 | void send_headers(struct httpd_state *s, const char *statushdr)
|
---|
569 | {
|
---|
570 | int len;
|
---|
571 | char *ptr;
|
---|
572 |
|
---|
573 | len = strlen(statushdr);
|
---|
574 | tcp_snd_dat(s->cepid, (void *)statushdr, len, TMO_FEVR);
|
---|
575 |
|
---|
576 | if ((s->filename[0] == '0') && (s->file.len > 0)) {
|
---|
577 | len = sizeof(http_content_encoding_gzip) - 1;
|
---|
578 | tcp_snd_dat(s->cepid, (void *)http_content_encoding_gzip, len, TMO_FEVR);
|
---|
579 | }
|
---|
580 |
|
---|
581 | if (s->file.redirect) {
|
---|
582 | len = sizeof(http_location) - 1;
|
---|
583 | tcp_snd_dat(s->cepid, (void *)http_location, len, TMO_FEVR);
|
---|
584 | if (s->filename[0] == '1') {
|
---|
585 | len = 2;
|
---|
586 | tcp_snd_dat(s->cepid, "/~", len, TMO_FEVR);
|
---|
587 | }
|
---|
588 | len = strlen(s->filename);
|
---|
589 | tcp_snd_dat(s->cepid, s->filename, len, TMO_FEVR);
|
---|
590 | if (s->query != NULL) {
|
---|
591 | tcp_snd_dat(s->cepid, "?", 1, TMO_FEVR);
|
---|
592 | len = strlen(s->query);
|
---|
593 | tcp_snd_dat(s->cepid, s->query, len, TMO_FEVR);
|
---|
594 | }
|
---|
595 | len = 2;
|
---|
596 | tcp_snd_dat(s->cepid, "\r", len, TMO_FEVR);
|
---|
597 | }
|
---|
598 |
|
---|
599 | ptr = strrchr(s->filename, ISO_period);
|
---|
600 | if (ptr == NULL) {
|
---|
601 | len = sizeof(http_content_type_binary) - 1;
|
---|
602 | tcp_snd_dat(s->cepid, (void *)http_content_type_binary, len, TMO_FEVR);
|
---|
603 | }
|
---|
604 | else if (strncmp(http_html, ptr, sizeof(http_html) - 1) == 0 ||
|
---|
605 | strncmp(http_htm, ptr, sizeof(http_htm) - 1) == 0) {
|
---|
606 | len = sizeof(http_content_type_html) - 1;
|
---|
607 | tcp_snd_dat(s->cepid, (void *)http_content_type_html, len, TMO_FEVR);
|
---|
608 | }
|
---|
609 | else if (strncmp(http_css, ptr, sizeof(http_css) - 1) == 0) {
|
---|
610 | len = sizeof(http_content_type_css) - 1;
|
---|
611 | tcp_snd_dat(s->cepid, (void *)http_content_type_css, len, TMO_FEVR);
|
---|
612 | }
|
---|
613 | else if (strncmp(http_js, ptr, sizeof(http_js) - 1) == 0) {
|
---|
614 | len = sizeof(http_content_type_js) - 1;
|
---|
615 | tcp_snd_dat(s->cepid, (void *)http_content_type_js, len, TMO_FEVR);
|
---|
616 | }
|
---|
617 | else if (strncmp(http_json, ptr, sizeof(http_json) - 1) == 0) {
|
---|
618 | len = sizeof(http_content_type_json) - 1;
|
---|
619 | tcp_snd_dat(s->cepid, (void *)http_content_type_json, len, TMO_FEVR);
|
---|
620 | }
|
---|
621 | else if (strncmp(http_png, ptr, sizeof(http_png) - 1) == 0) {
|
---|
622 | len = sizeof(http_content_type_png) - 1;
|
---|
623 | tcp_snd_dat(s->cepid, (void *)http_content_type_png, len, TMO_FEVR);
|
---|
624 | }
|
---|
625 | else if (strncmp(http_gif, ptr, sizeof(http_gif) - 1) == 0) {
|
---|
626 | len = sizeof(http_content_type_gif) - 1;
|
---|
627 | tcp_snd_dat(s->cepid, (void *)http_content_type_gif, len, TMO_FEVR);
|
---|
628 | }
|
---|
629 | else if (strncmp(http_jpg, ptr, sizeof(http_jpg) - 1) == 0) {
|
---|
630 | len = sizeof(http_content_type_jpg) - 1;
|
---|
631 | tcp_snd_dat(s->cepid, (void *)http_content_type_jpg, len, TMO_FEVR);
|
---|
632 | }
|
---|
633 | else if (strncmp(http_svg, ptr, sizeof(http_svg) - 1) == 0) {
|
---|
634 | len = sizeof(http_content_type_svg) - 1;
|
---|
635 | tcp_snd_dat(s->cepid, (void *)http_content_type_svg, len, TMO_FEVR);
|
---|
636 | }
|
---|
637 | else if (strncmp(http_text, ptr, sizeof(http_text) - 1) == 0) {
|
---|
638 | len = sizeof(http_content_type_text) - 1;
|
---|
639 | tcp_snd_dat(s->cepid, (void *)http_content_type_text, len, TMO_FEVR);
|
---|
640 | }
|
---|
641 | else if (strncmp(http_eot, ptr, sizeof(http_eot) - 1) == 0) {
|
---|
642 | len = sizeof(http_content_type_eot) - 1;
|
---|
643 | tcp_snd_dat(s->cepid, (void *)http_content_type_eot, len, TMO_FEVR);
|
---|
644 | }
|
---|
645 | else if (strncmp(http_ttf, ptr, sizeof(http_ttf) - 1) == 0) {
|
---|
646 | len = sizeof(http_content_type_ttf) - 1;
|
---|
647 | tcp_snd_dat(s->cepid, (void *)http_content_type_ttf, len, TMO_FEVR);
|
---|
648 | }
|
---|
649 | else if (strncmp(http_woff, ptr, sizeof(http_woff) - 1) == 0) {
|
---|
650 | len = sizeof(http_content_type_woff) - 1;
|
---|
651 | tcp_snd_dat(s->cepid, (void *)http_content_type_woff, len, TMO_FEVR);
|
---|
652 | }
|
---|
653 | else if (strncmp(http_woff2, ptr, sizeof(http_woff2) - 1) == 0) {
|
---|
654 | len = sizeof(http_content_type_woff2) - 1;
|
---|
655 | tcp_snd_dat(s->cepid, (void *)http_content_type_woff2, len, TMO_FEVR);
|
---|
656 | }
|
---|
657 | else if (strncmp(http_ico, ptr, sizeof(http_ico) - 1) == 0) {
|
---|
658 | len = sizeof(http_content_type_ico) - 1;
|
---|
659 | tcp_snd_dat(s->cepid, (void *)http_content_type_ico, len, TMO_FEVR);
|
---|
660 | }
|
---|
661 | else {
|
---|
662 | len = sizeof(http_content_type_plain) - 1;
|
---|
663 | tcp_snd_dat(s->cepid, (void *)http_content_type_plain, len, TMO_FEVR);
|
---|
664 | }
|
---|
665 |
|
---|
666 | if (s->file.len > 0) {
|
---|
667 | len = sizeof(http_content_length) - 1;
|
---|
668 | tcp_snd_dat(s->cepid, (void *)http_content_length, len, TMO_FEVR);
|
---|
669 | len = snprintf(s->temp, sizeof(s->temp), "%d\r\n", s->file.len);
|
---|
670 | tcp_snd_dat(s->cepid, (void *)s->temp, len, TMO_FEVR);
|
---|
671 | }
|
---|
672 |
|
---|
673 | if (s->message.should_keep_alive && s->reset == 0) {
|
---|
674 | len = sizeof(http_connection_keep_alive) - 1;
|
---|
675 | tcp_snd_dat(s->cepid, (void *)http_connection_keep_alive, len, TMO_FEVR);
|
---|
676 | }
|
---|
677 | else {
|
---|
678 | len = sizeof(http_connection_close) - 1;
|
---|
679 | tcp_snd_dat(s->cepid, (void *)http_connection_close, len, TMO_FEVR);
|
---|
680 | }
|
---|
681 |
|
---|
682 | tcp_snd_dat(s->cepid, (void *)http_crnl, 2, TMO_FEVR);
|
---|
683 |
|
---|
684 | if (s->filename != NULL) {
|
---|
685 | s->out.state = OUT_STATE_SEND_FILE;
|
---|
686 | }
|
---|
687 | else {
|
---|
688 | s->out.state = OUT_STATE_SEND_DATA;
|
---|
689 | }
|
---|
690 | }
|
---|
691 |
|
---|
692 | void handle_output(struct httpd_state *s)
|
---|
693 | {
|
---|
694 | s->out.wait = false;
|
---|
695 |
|
---|
696 | switch (s->out.state) {
|
---|
697 | case OUT_STATE_WAIT_REQUEST:
|
---|
698 | s->out.wait = true;
|
---|
699 | break;
|
---|
700 | case OUT_STATE_OPEN_GET_FILE:
|
---|
701 | printf("open: %s.%d %s\n", s->addr, ((T_IPV4EP *)s->dst)->portno, s->filename);
|
---|
702 | if (!httpd_fs_open(s->filename, sizeof(s->message.request_url), &s->file)) {
|
---|
703 | s->filename = NULL;
|
---|
704 | s->response_body = http_content_404;
|
---|
705 | s->response_pos = 0;
|
---|
706 | s->response_len = sizeof(http_content_403) - 1;
|
---|
707 | s->out.statushdr = http_header_404;
|
---|
708 | }
|
---|
709 | else {
|
---|
710 | s->out.statushdr = s->file.redirect ? http_header_301 : http_header_200;
|
---|
711 | }
|
---|
712 | s->out.state = OUT_STATE_SEND_HEADER;
|
---|
713 | break;
|
---|
714 | case OUT_STATE_WAIT_POST_BODY:
|
---|
715 | //printf("wait post body\n");
|
---|
716 | s->out.wait = true;
|
---|
717 | break;
|
---|
718 | case OUT_STATE_BODY_RECEIVED:
|
---|
719 | //printf("body received\n");
|
---|
720 | s->out.statushdr = http_header_200;
|
---|
721 | s->out.state = OUT_STATE_SEND_HEADER;
|
---|
722 | break;
|
---|
723 | case OUT_STATE_SEND_HEADER:
|
---|
724 | //printf("send header\n");
|
---|
725 | send_headers(s, s->out.statushdr);
|
---|
726 | break;
|
---|
727 | case OUT_STATE_SEND_FILE:
|
---|
728 | //printf("send file %d\n", s->file.len);
|
---|
729 | send_file(s);
|
---|
730 | break;
|
---|
731 | case OUT_STATE_SEND_DATA:
|
---|
732 | //printf("send data %d\n", s->response_len);
|
---|
733 | send_data(s);
|
---|
734 | break;
|
---|
735 | case OUT_STATE_SEND_END:
|
---|
736 | //printf("send end\n");
|
---|
737 | s->out.wait = true;
|
---|
738 | if (s->message.should_keep_alive && s->reset == 0) {
|
---|
739 | s->out.state = OUT_STATE_WAIT_REQUEST;
|
---|
740 | }
|
---|
741 | else {
|
---|
742 | s->state = STATE_CLOSING;
|
---|
743 | }
|
---|
744 | break;
|
---|
745 | }
|
---|
746 | }
|
---|
747 |
|
---|
748 | void send_ws_headers(struct httpd_state *s, const char *statushdr)
|
---|
749 | {
|
---|
750 | int len;
|
---|
751 |
|
---|
752 | len = strlen(statushdr);
|
---|
753 | tcp_snd_dat(s->cepid, (void *)statushdr, len, TMO_FEVR);
|
---|
754 |
|
---|
755 | len = sizeof(http_upgrade) - 1;
|
---|
756 | tcp_snd_dat(s->cepid, (void *)http_upgrade, len, TMO_FEVR);
|
---|
757 | len = strlen(s->message.upgrade);
|
---|
758 | tcp_snd_dat(s->cepid, s->message.upgrade, len, TMO_FEVR);
|
---|
759 | len = sizeof(http_crnl) - 1;
|
---|
760 | tcp_snd_dat(s->cepid, (void *)http_crnl, len, TMO_FEVR);
|
---|
761 |
|
---|
762 | len = sizeof(http_connection) - 1;
|
---|
763 | tcp_snd_dat(s->cepid, (void *)http_connection, len, TMO_FEVR);
|
---|
764 | len = strlen(s->message.connection);
|
---|
765 | tcp_snd_dat(s->cepid, s->message.connection, len, TMO_FEVR);
|
---|
766 | len = sizeof(http_crnl) - 1;
|
---|
767 | tcp_snd_dat(s->cepid, (void *)http_crnl, len, TMO_FEVR);
|
---|
768 |
|
---|
769 | len = sizeof(http_sec_websocket_accept) - 1;
|
---|
770 | tcp_snd_dat(s->cepid, (void *)http_sec_websocket_accept, len, TMO_FEVR);
|
---|
771 | len = strlen(s->message.response_key);
|
---|
772 | tcp_snd_dat(s->cepid, s->message.response_key, len, TMO_FEVR);
|
---|
773 | len = sizeof(http_crnl) - 1;
|
---|
774 | tcp_snd_dat(s->cepid, (void *)http_crnl, len, TMO_FEVR);
|
---|
775 |
|
---|
776 | len = sizeof(http_sec_websocket_protocol) - 1;
|
---|
777 | tcp_snd_dat(s->cepid, (void *)http_sec_websocket_protocol, len, TMO_FEVR);
|
---|
778 | len = strlen(s->message.sec_websocket_protocol);
|
---|
779 | tcp_snd_dat(s->cepid, s->message.sec_websocket_protocol, len, TMO_FEVR);
|
---|
780 | len = sizeof(http_crnl) - 1;
|
---|
781 | tcp_snd_dat(s->cepid, (void *)http_crnl, len, TMO_FEVR);
|
---|
782 |
|
---|
783 | len = sizeof(http_crnl) - 1;
|
---|
784 | tcp_snd_dat(s->cepid, (void *)http_crnl, len, TMO_FEVR);
|
---|
785 | }
|
---|
786 |
|
---|
787 | void send_ws_data(struct httpd_state *s)
|
---|
788 | {
|
---|
789 | char *buf;
|
---|
790 | int slen;
|
---|
791 |
|
---|
792 | slen = tcp_get_buf(s->cepid, (void **)&buf, TMO_FEVR);
|
---|
793 | if (slen < 0) {
|
---|
794 | printf("send_ws_data#tcp_get_buf(%s.%d) => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, slen);
|
---|
795 | return;
|
---|
796 | }
|
---|
797 |
|
---|
798 | websocket_output(&s->websocket, buf, slen);
|
---|
799 | }
|
---|
800 |
|
---|
801 | void handle_ws_output(struct httpd_state *s)
|
---|
802 | {
|
---|
803 | char shaHash[20];
|
---|
804 | SHA_CTX sha1;
|
---|
805 | int len;
|
---|
806 |
|
---|
807 | strlncat(s->message.response_key, sizeof(s->message.response_key),
|
---|
808 | s->message.sec_websocket_key, sizeof(s->message.sec_websocket_key));
|
---|
809 | len = strlncat(s->message.response_key, sizeof(s->message.response_key),
|
---|
810 | http_websocket_guid, sizeof(http_websocket_guid));
|
---|
811 | memset(shaHash, 0, sizeof(shaHash));
|
---|
812 | SHA1_Init(&sha1);
|
---|
813 | SHA1_Update(&sha1, (sha1_byte *)s->message.response_key, len);
|
---|
814 | SHA1_Final((sha1_byte *)shaHash, &sha1);
|
---|
815 | base64_encode((unsigned char *)s->message.response_key,
|
---|
816 | sizeof(s->message.response_key), (unsigned char *)shaHash, sizeof(shaHash));
|
---|
817 |
|
---|
818 | send_ws_headers(s, http_header_101);
|
---|
819 |
|
---|
820 | s->message.response_key[0] = '\0';
|
---|
821 |
|
---|
822 | do {
|
---|
823 | while (!websocket_newdata(&s->websocket))
|
---|
824 | slp_tsk();
|
---|
825 |
|
---|
826 | send_ws_data(s);
|
---|
827 | } while ((s->state == STATE_CONNECTED) && (!s->close_req));
|
---|
828 | s->state = STATE_DISCONNECTED;
|
---|
829 | websocket_destroy(&s->websocket);
|
---|
830 | s->close_req = 0;
|
---|
831 |
|
---|
832 | s->state = STATE_CLOSING;
|
---|
833 | }
|
---|
834 |
|
---|
835 | void handle_input(struct httpd_state *s)
|
---|
836 | {
|
---|
837 | size_t done;
|
---|
838 | int len;
|
---|
839 |
|
---|
840 | s->in.wait = false;
|
---|
841 |
|
---|
842 | switch (s->in.state) {
|
---|
843 | case IN_STATE_START:
|
---|
844 | http_parser_init(&s->parser, HTTP_REQUEST);
|
---|
845 | s->in.state = IN_STATE_REQUEST;
|
---|
846 | break;
|
---|
847 | case IN_STATE_REQUEST:
|
---|
848 | case IN_STATE_RESPONSE:
|
---|
849 | case IN_STATE_UPLOAD:
|
---|
850 | if ((len = tcp_rcv_buf(s->cepid, (void **)&s->in.data, TMO_POL)) <= 0) {
|
---|
851 | if ((len == E_TMOUT) || (len == 0)) {
|
---|
852 | // 3秒は待つ
|
---|
853 | //if (httpd_time - s->in.timer < 30000000) {
|
---|
854 | s->in.wait = true;
|
---|
855 | break;
|
---|
856 | //}
|
---|
857 | }
|
---|
858 | printf("handle_input#tcp_rcv_buf#%d(%s.%d) => %d\n", s->in.state, s->addr, ((T_IPV4EP *)s->dst)->portno, len);
|
---|
859 | uploding = NULL;
|
---|
860 | s->state = STATE_CLOSING;
|
---|
861 | return;
|
---|
862 | }
|
---|
863 | done = http_parser_execute(&s->parser, &websvr_settings, s->in.data, len);
|
---|
864 | tcp_rel_buf(s->cepid, done);
|
---|
865 | if (s->parser.http_errno != HPE_OK) {
|
---|
866 | printf("http_parser error %s.%d => %d\n", s->addr, ((T_IPV4EP *)s->dst)->portno, s->parser.http_errno);
|
---|
867 | uploding = NULL;
|
---|
868 | s->state = STATE_CLOSING;
|
---|
869 | return;
|
---|
870 | }
|
---|
871 |
|
---|
872 | s->parse_pos = done;
|
---|
873 | s->parse_len = len - done;
|
---|
874 | break;
|
---|
875 | case IN_STATE_UPLOAD_WAIT:
|
---|
876 | if (uploding != NULL) {
|
---|
877 | s->in.wait = true;
|
---|
878 | }
|
---|
879 | else {
|
---|
880 | uploding = s;
|
---|
881 | s->in.state = IN_STATE_UPLOAD;
|
---|
882 | }
|
---|
883 | break;
|
---|
884 | case IN_STATE_WEBSOCKET:
|
---|
885 | if (s->parse_len <= 0) {
|
---|
886 | if ((len = tcp_rcv_buf(s->cepid, (void **)&s->in.data, TMO_POL)) <= 0) {
|
---|
887 | if ((len == E_TMOUT) || (len == 0)) {
|
---|
888 | s->in.wait = true;
|
---|
889 | break;
|
---|
890 | }
|
---|
891 | printf("handle_input#tcp_rcv_buf#%d(%s.%d) => %d\n", s->in.state, s->addr, ((T_IPV4EP *)s->dst)->portno, len);
|
---|
892 | s->state = STATE_CLOSING;
|
---|
893 | break;
|
---|
894 | }
|
---|
895 |
|
---|
896 | s->parse_pos = 0;
|
---|
897 | s->parse_len = len;
|
---|
898 | }
|
---|
899 | else
|
---|
900 | len = s->parse_len;
|
---|
901 | done = websocket_input(&s->websocket, (void *)s->in.data, s->parse_len);
|
---|
902 | tcp_rel_buf(s->cepid, done);
|
---|
903 | if ((done != 0) || (s->websocket.rstate.opecode == connection_close)) {
|
---|
904 | s->close_req = 1;
|
---|
905 | s->state = STATE_CLOSING;
|
---|
906 | break;
|
---|
907 | }
|
---|
908 | s->parse_pos = done;
|
---|
909 | s->parse_len -= done;
|
---|
910 | break;
|
---|
911 | case IN_STATE_END:
|
---|
912 | s->in.wait = true;
|
---|
913 | break;
|
---|
914 | default:
|
---|
915 | s->state = STATE_CLOSING;
|
---|
916 | break;
|
---|
917 | }
|
---|
918 | }
|
---|
919 |
|
---|
920 | /*
|
---|
921 | * ノンブロッキングコールのコールバック関数
|
---|
922 | */
|
---|
923 | ER
|
---|
924 | callback_nblk_tcp(ID cepid, FN fncd, void *p_parblk)
|
---|
925 | {
|
---|
926 | struct httpd_state *s = get_httpd(cepid);
|
---|
927 |
|
---|
928 | if (s == NULL)
|
---|
929 | printf("callback_nblk_tcp(%d, %d)\n", fncd, cepid);
|
---|
930 | else
|
---|
931 | printf("callback_nblk_tcp(%d, %s.%d)\n", fncd, s->addr, ((T_IPV4EP *)s->dst)->portno);
|
---|
932 |
|
---|
933 | return E_PAR;
|
---|
934 | }
|
---|
935 |
|
---|
936 | /*
|
---|
937 | * HTTPサーバータスク
|
---|
938 | */
|
---|
939 | void httpd_task(intptr_t exinf)
|
---|
940 | {
|
---|
941 | ER ret, ret2;
|
---|
942 | struct httpd_state *s = &httpd_state[exinf];
|
---|
943 |
|
---|
944 | for (;;) {
|
---|
945 | ret2 = get_tim(&httpd_time);
|
---|
946 | if (ret2 != E_OK) {
|
---|
947 | printf("get_tim\n");
|
---|
948 | return;
|
---|
949 | }
|
---|
950 |
|
---|
951 | switch (s->state) {
|
---|
952 | case STATE_DISCONNECTED:
|
---|
953 | memset(&s->dst, 0, sizeof(s->dst));
|
---|
954 | if ((ret = tcp_acp_cep(s->cepid, TCP_REPID, (T_IPV4EP *)s->dst, TMO_FEVR)) != E_OK) {
|
---|
955 | printf("tcp_acp_cep(%d) => %d\n", s->cepid, ret);
|
---|
956 | tslp_tsk(100 * 1000); // TODO
|
---|
957 | s->state = STATE_CLOSING;
|
---|
958 | break;
|
---|
959 | }
|
---|
960 | IP2STR(s->addr, &((T_IPV4EP *)s->dst)->ipaddr);
|
---|
961 | printf("connected: %s.%d\n", s->addr, ((T_IPV4EP *)s->dst)->portno);
|
---|
962 | memset(&s->in, 0, sizeof(s->in));
|
---|
963 | memset(&s->out, 0, sizeof(s->out));
|
---|
964 | s->in.timer = httpd_time;
|
---|
965 | s->state = STATE_CONNECTED;
|
---|
966 | break;
|
---|
967 | case STATE_CONNECTED:
|
---|
968 | handle_input(s);
|
---|
969 | handle_output(s);
|
---|
970 | break;
|
---|
971 | case STATE_WEBSOCKET:
|
---|
972 | handle_input(s);
|
---|
973 | handle_ws_output(s);
|
---|
974 | break;
|
---|
975 | case STATE_CLOSING:
|
---|
976 | printf("close: %s.%d\n", s->addr, ((T_IPV4EP *)s->dst)->portno);
|
---|
977 | tcp_sht_cep(s->cepid);
|
---|
978 | tcp_cls_cep(s->cepid, TMO_FEVR);
|
---|
979 |
|
---|
980 | if (s->reset) {
|
---|
981 | s->reset = 0;
|
---|
982 | s->state = STATE_RESET;
|
---|
983 | }
|
---|
984 | else {
|
---|
985 | s->state = STATE_DISCONNECTED;
|
---|
986 | }
|
---|
987 | break;
|
---|
988 | case STATE_RESET:
|
---|
989 | cmd_execute(command, NULL);
|
---|
990 | s->state = STATE_DISCONNECTED;
|
---|
991 | break;
|
---|
992 | }
|
---|
993 |
|
---|
994 | if (s->in.wait && s->out.wait) {
|
---|
995 | tslp_tsk(100 * 1000);
|
---|
996 | }
|
---|
997 | }
|
---|
998 | }
|
---|