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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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254
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12 static uint32_t usual[] = {
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13 0xffffdbfe, /* 1111 1111 1111 1111 1101 1011 1111 1110 */
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14
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15 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
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16 0x7fff37d6, /* 0111 1111 1111 1111 0011 0111 1101 0110 */
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17
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18 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
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19 #if (NGX_WIN32)
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20 0xefffffff, /* 1110 1111 1111 1111 1111 1111 1111 1111 */
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21 #else
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22 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
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23 #endif
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24
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25 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
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26 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
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27
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28 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
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29 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
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30 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
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31 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */
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32 };
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33
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34
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198
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35 /* gcc, icc, msvc and others compile these switches as an jump table */
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36
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58
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37 ngx_int_t
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38 ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b)
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0
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39 {
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56
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40 u_char c, ch, *p, *m;
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0
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41 enum {
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42 sw_start = 0,
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43 sw_method,
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44 sw_spaces_before_uri,
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45 sw_schema,
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46 sw_schema_slash,
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47 sw_schema_slash_slash,
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48 sw_host,
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49 sw_port,
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50 sw_after_slash_in_uri,
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51 sw_check_uri,
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52 sw_uri,
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53 sw_http_09,
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54 sw_http_H,
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55 sw_http_HT,
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56 sw_http_HTT,
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57 sw_http_HTTP,
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58 sw_first_major_digit,
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59 sw_major_digit,
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60 sw_first_minor_digit,
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61 sw_minor_digit,
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28
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62 sw_almost_done
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0
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63 } state;
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64
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65 state = r->state;
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66
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28
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67 for (p = b->pos; p < b->last; p++) {
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68 ch = *p;
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0
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69
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70 switch (state) {
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71
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72 /* HTTP methods: GET, HEAD, POST */
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73 case sw_start:
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28
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74 r->request_start = p;
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0
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75
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76 if (ch == CR || ch == LF) {
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77 break;
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78 }
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79
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80 if (ch < 'A' || ch > 'Z') {
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81 return NGX_HTTP_PARSE_INVALID_METHOD;
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82 }
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83
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84 state = sw_method;
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85 break;
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86
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87 case sw_method:
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88 if (ch == ' ') {
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58
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89 r->method_end = p - 1;
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0
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90 m = r->request_start;
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91
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188
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92 switch (p - m) {
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0
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93
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188
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94 case 3:
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0
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95 if (m[0] == 'G' && m[1] == 'E' && m[2] == 'T') {
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96 r->method = NGX_HTTP_GET;
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256
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97 break;
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98 }
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182
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99
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256
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100 if (m[0] == 'P' && m[1] == 'U' && m[2] == 'T') {
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182
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101 r->method = NGX_HTTP_PUT;
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256
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102 break;
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0
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103 }
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256
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104
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188
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105 break;
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0
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106
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188
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107 case 4:
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256
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108 if (m[1] == 'O') {
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109
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110 if (m[0] == 'P' && m[2] == 'S' && m[3] == 'T') {
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111 r->method = NGX_HTTP_POST;
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112 break;
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113 }
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114
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115 if (m[0] == 'C' && m[2] == 'P' && m[3] == 'Y') {
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116 r->method = NGX_HTTP_COPY;
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117 break;
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118 }
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0
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119
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256
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120 if (m[0] == 'M' && m[2] == 'V' && m[3] == 'E') {
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121 r->method = NGX_HTTP_MOVE;
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122 break;
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123 }
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124
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125 if (m[0] == 'L' && m[2] == 'C' && m[3] == 'K') {
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126 r->method = NGX_HTTP_LOCK;
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127 break;
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128 }
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129
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130 } else {
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131
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132 if (m[0] == 'H' && m[1] == 'E'
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133 && m[2] == 'A' && m[3] == 'D')
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134 {
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135 r->method = NGX_HTTP_HEAD;
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136 break;
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137 }
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0
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138 }
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256
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139
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188
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140 break;
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182
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141
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188
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142 case 5:
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186
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143 if (m[0] == 'M' && m[1] == 'K'
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144 && m[2] == 'C' && m[3] == 'O' && m[4] == 'L')
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145 {
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146 r->method = NGX_HTTP_MKCOL;
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147 }
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256
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148
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294
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149 if (m[0] == 'T' && m[1] == 'R'
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150 && m[2] == 'A' && m[3] == 'C' && m[4] == 'E')
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151 {
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152 r->method = NGX_HTTP_TRACE;
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153 }
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154
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188
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155 break;
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186
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156
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188
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157 case 6:
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182
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158 if (m[0] == 'D' && m[1] == 'E' && m[2] == 'L'
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159 && m[3] == 'E' && m[4] == 'T' && m[5] == 'E')
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160 {
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161 r->method = NGX_HTTP_DELETE;
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256
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162 break;
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182
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163 }
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256
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164
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165 if (m[0] == 'U' && m[1] == 'N' && m[2] == 'L'
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166 && m[3] == 'O' && m[4] == 'C' && m[5] == 'K')
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167 {
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168 r->method = NGX_HTTP_UNLOCK;
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169 break;
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170 }
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171
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172 break;
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173
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174 case 7:
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175 if (m[0] == 'O' && m[1] == 'P'
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176 && m[2] == 'T' && m[3] == 'I'
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177 && m[4] == 'O' && m[5] == 'N' && m[6] == 'S')
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178 {
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179 r->method = NGX_HTTP_OPTIONS;
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180 }
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181
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182 break;
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183
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184 case 8:
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185 if (m[0] == 'P' && m[1] == 'R'
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186 && m[2] == 'O' && m[3] == 'P' && m[4] == 'F'
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187 && m[5] == 'I' && m[6] == 'N' && m[7] == 'D')
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188 {
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189 r->method = NGX_HTTP_PROPFIND;
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190 }
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191
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192 break;
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193
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194 case 9:
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195 if (m[0] == 'P' && m[1] == 'R' && m[2] == 'O'
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196 && m[3] == 'P' && m[4] == 'P' && m[5] == 'A'
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197 && m[6] == 'T' && m[7] == 'C' && m[8] == 'H')
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198 {
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199 r->method = NGX_HTTP_PROPPATCH;
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200 }
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201
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188
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202 break;
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0
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203 }
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204
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205 state = sw_spaces_before_uri;
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206 break;
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207 }
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208
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209 if (ch < 'A' || ch > 'Z') {
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210 return NGX_HTTP_PARSE_INVALID_METHOD;
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211 }
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212
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213 break;
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214
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215 /* space* before URI */
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216 case sw_spaces_before_uri:
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56
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217
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254
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218 if (ch == '/' ){
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219 r->uri_start = p;
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220 state = sw_after_slash_in_uri;
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221 break;
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222 }
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223
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56
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224 c = (u_char) (ch | 0x20);
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70
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225 if (c >= 'a' && c <= 'z') {
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38
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226 r->schema_start = p;
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227 state = sw_schema;
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228 break;
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229 }
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230
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0
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231 switch (ch) {
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232 case ' ':
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233 break;
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234 default:
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235 return NGX_HTTP_PARSE_INVALID_REQUEST;
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236 }
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237 break;
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238
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239 case sw_schema:
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56
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240
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241 c = (u_char) (ch | 0x20);
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70
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242 if (c >= 'a' && c <= 'z') {
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38
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243 break;
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244 }
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245
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0
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246 switch (ch) {
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247 case ':':
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28
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248 r->schema_end = p;
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0
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249 state = sw_schema_slash;
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250 break;
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251 default:
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252 return NGX_HTTP_PARSE_INVALID_REQUEST;
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253 }
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254 break;
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255
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256 case sw_schema_slash:
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257 switch (ch) {
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258 case '/':
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259 state = sw_schema_slash_slash;
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260 break;
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261 default:
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262 return NGX_HTTP_PARSE_INVALID_REQUEST;
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263 }
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264 break;
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265
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266 case sw_schema_slash_slash:
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267 switch (ch) {
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268 case '/':
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258
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269 r->host_start = p + 1;
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0
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270 state = sw_host;
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271 break;
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272 default:
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273 return NGX_HTTP_PARSE_INVALID_REQUEST;
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274 }
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275 break;
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276
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277 case sw_host:
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56
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278
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279 c = (u_char) (ch | 0x20);
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70
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280 if (c >= 'a' && c <= 'z') {
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56
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281 break;
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282 }
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283
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254
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284 if ((ch >= '0' && ch <= '9') || ch == '.' || ch == '-') {
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38
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285 break;
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286 }
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287
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0
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288 switch (ch) {
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289 case ':':
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28
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290 r->host_end = p;
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0
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291 state = sw_port;
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292 break;
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293 case '/':
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28
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294 r->host_end = p;
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295 r->uri_start = p;
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0
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296 state = sw_after_slash_in_uri;
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297 break;
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298 default:
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268
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299 r->host_end = p;
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0
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300 return NGX_HTTP_PARSE_INVALID_REQUEST;
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301 }
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302 break;
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303
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304 case sw_port:
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38
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305 if (ch >= '0' && ch <= '9') {
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306 break;
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307 }
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308
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0
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309 switch (ch) {
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310 case '/':
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28
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311 r->port_end = p;
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312 r->uri_start = p;
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0
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313 state = sw_after_slash_in_uri;
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314 break;
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315 default:
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38
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316 return NGX_HTTP_PARSE_INVALID_REQUEST;
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0
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317 }
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318 break;
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319
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10
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320 /* check "/.", "//", "%", and "\" (Win32) in URI */
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0
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321 case sw_after_slash_in_uri:
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38
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322
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254
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323 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
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38
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324 state = sw_check_uri;
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325 break;
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326 }
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327
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0
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328 switch (ch) {
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38
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329 case ' ':
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330 r->uri_end = p;
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331 state = sw_http_09;
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332 break;
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0
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333 case CR:
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28
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334 r->uri_end = p;
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0
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335 r->http_minor = 9;
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336 state = sw_almost_done;
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337 break;
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338 case LF:
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28
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339 r->uri_end = p;
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0
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340 r->http_minor = 9;
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28
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341 goto done;
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0
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342 case '.':
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2
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343 r->complex_uri = 1;
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344 state = sw_uri;
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345 break;
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0
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346 case '%':
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2
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347 r->quoted_uri = 1;
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0
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348 state = sw_uri;
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349 break;
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38
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350 case '/':
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351 r->complex_uri = 1;
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352 state = sw_uri;
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353 break;
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10
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354 #if (NGX_WIN32)
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355 case '\\':
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356 r->complex_uri = 1;
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38
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357 state = sw_uri;
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10
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358 break;
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359 #endif
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38
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360 case '?':
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361 r->args_start = p + 1;
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362 state = sw_uri;
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0
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363 break;
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254
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364 case '#':
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365 r->complex_uri = 1;
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366 state = sw_uri;
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367 break;
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34
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368 case '+':
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369 r->plus_in_uri = 1;
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370 break;
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38
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371 case '\0':
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372 r->zero_in_uri = 1;
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0
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373 break;
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374 default:
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375 state = sw_check_uri;
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376 break;
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377 }
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378 break;
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379
|
|
10
|
380 /* check "/", "%" and "\" (Win32) in URI */
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0
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381 case sw_check_uri:
|
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38
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382
|
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254
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383 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
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38
|
384 break;
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385 }
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386
|
|
0
|
387 switch (ch) {
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38
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388 case '/':
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389 r->uri_ext = NULL;
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390 state = sw_after_slash_in_uri;
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391 break;
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392 case '.':
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393 r->uri_ext = p + 1;
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394 break;
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395 case ' ':
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396 r->uri_end = p;
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397 state = sw_http_09;
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398 break;
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0
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399 case CR:
|
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28
|
400 r->uri_end = p;
|
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0
|
401 r->http_minor = 9;
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402 state = sw_almost_done;
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403 break;
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404 case LF:
|
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28
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405 r->uri_end = p;
|
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0
|
406 r->http_minor = 9;
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28
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407 goto done;
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10
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408 #if (NGX_WIN32)
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|
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409 case '\\':
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410 r->complex_uri = 1;
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411 state = sw_after_slash_in_uri;
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412 break;
|
|
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413 #endif
|
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38
|
414 case '%':
|
|
|
415 r->quoted_uri = 1;
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|
|
416 state = sw_uri;
|
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0
|
417 break;
|
|
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418 case '?':
|
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28
|
419 r->args_start = p + 1;
|
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0
|
420 state = sw_uri;
|
|
|
421 break;
|
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254
|
422 case '#':
|
|
|
423 r->complex_uri = 1;
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|
|
424 state = sw_uri;
|
|
|
425 break;
|
|
206
|
426 case '+':
|
|
|
427 r->plus_in_uri = 1;
|
|
|
428 break;
|
|
38
|
429 case '\0':
|
|
|
430 r->zero_in_uri = 1;
|
|
|
431 break;
|
|
0
|
432 }
|
|
|
433 break;
|
|
|
434
|
|
|
435 /* URI */
|
|
|
436 case sw_uri:
|
|
254
|
437
|
|
|
438 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
439 break;
|
|
|
440 }
|
|
|
441
|
|
0
|
442 switch (ch) {
|
|
38
|
443 case ' ':
|
|
|
444 r->uri_end = p;
|
|
|
445 state = sw_http_09;
|
|
|
446 break;
|
|
0
|
447 case CR:
|
|
28
|
448 r->uri_end = p;
|
|
0
|
449 r->http_minor = 9;
|
|
|
450 state = sw_almost_done;
|
|
|
451 break;
|
|
|
452 case LF:
|
|
28
|
453 r->uri_end = p;
|
|
0
|
454 r->http_minor = 9;
|
|
28
|
455 goto done;
|
|
254
|
456 case '#':
|
|
|
457 r->complex_uri = 1;
|
|
|
458 break;
|
|
38
|
459 case '\0':
|
|
|
460 r->zero_in_uri = 1;
|
|
0
|
461 break;
|
|
|
462 }
|
|
|
463 break;
|
|
|
464
|
|
|
465 /* space+ after URI */
|
|
|
466 case sw_http_09:
|
|
|
467 switch (ch) {
|
|
|
468 case ' ':
|
|
|
469 break;
|
|
|
470 case CR:
|
|
|
471 r->http_minor = 9;
|
|
|
472 state = sw_almost_done;
|
|
|
473 break;
|
|
|
474 case LF:
|
|
|
475 r->http_minor = 9;
|
|
28
|
476 goto done;
|
|
0
|
477 case 'H':
|
|
28
|
478 r->http_protocol.data = p;
|
|
0
|
479 state = sw_http_H;
|
|
|
480 break;
|
|
|
481 default:
|
|
|
482 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
483 }
|
|
|
484 break;
|
|
|
485
|
|
|
486 case sw_http_H:
|
|
|
487 switch (ch) {
|
|
|
488 case 'T':
|
|
|
489 state = sw_http_HT;
|
|
|
490 break;
|
|
|
491 default:
|
|
|
492 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
493 }
|
|
|
494 break;
|
|
|
495
|
|
|
496 case sw_http_HT:
|
|
|
497 switch (ch) {
|
|
|
498 case 'T':
|
|
|
499 state = sw_http_HTT;
|
|
|
500 break;
|
|
|
501 default:
|
|
|
502 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
503 }
|
|
|
504 break;
|
|
|
505
|
|
|
506 case sw_http_HTT:
|
|
|
507 switch (ch) {
|
|
|
508 case 'P':
|
|
|
509 state = sw_http_HTTP;
|
|
|
510 break;
|
|
|
511 default:
|
|
|
512 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
513 }
|
|
|
514 break;
|
|
|
515
|
|
|
516 case sw_http_HTTP:
|
|
|
517 switch (ch) {
|
|
|
518 case '/':
|
|
|
519 state = sw_first_major_digit;
|
|
|
520 break;
|
|
|
521 default:
|
|
|
522 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
523 }
|
|
|
524 break;
|
|
|
525
|
|
|
526 /* first digit of major HTTP version */
|
|
|
527 case sw_first_major_digit:
|
|
|
528 if (ch < '1' || ch > '9') {
|
|
|
529 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
530 }
|
|
|
531
|
|
|
532 r->http_major = ch - '0';
|
|
|
533 state = sw_major_digit;
|
|
|
534 break;
|
|
|
535
|
|
|
536 /* major HTTP version or dot */
|
|
|
537 case sw_major_digit:
|
|
|
538 if (ch == '.') {
|
|
|
539 state = sw_first_minor_digit;
|
|
|
540 break;
|
|
|
541 }
|
|
|
542
|
|
|
543 if (ch < '0' || ch > '9') {
|
|
|
544 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
545 }
|
|
|
546
|
|
|
547 r->http_major = r->http_major * 10 + ch - '0';
|
|
|
548 break;
|
|
|
549
|
|
|
550 /* first digit of minor HTTP version */
|
|
|
551 case sw_first_minor_digit:
|
|
|
552 if (ch < '0' || ch > '9') {
|
|
|
553 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
554 }
|
|
|
555
|
|
|
556 r->http_minor = ch - '0';
|
|
|
557 state = sw_minor_digit;
|
|
|
558 break;
|
|
|
559
|
|
|
560 /* minor HTTP version or end of request line */
|
|
|
561 case sw_minor_digit:
|
|
|
562 if (ch == CR) {
|
|
|
563 state = sw_almost_done;
|
|
|
564 break;
|
|
|
565 }
|
|
|
566
|
|
|
567 if (ch == LF) {
|
|
28
|
568 goto done;
|
|
0
|
569 }
|
|
|
570
|
|
|
571 if (ch < '0' || ch > '9') {
|
|
|
572 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
573 }
|
|
|
574
|
|
|
575 r->http_minor = r->http_minor * 10 + ch - '0';
|
|
|
576 break;
|
|
|
577
|
|
|
578 /* end of request line */
|
|
|
579 case sw_almost_done:
|
|
28
|
580 r->request_end = p - 1;
|
|
0
|
581 switch (ch) {
|
|
|
582 case LF:
|
|
28
|
583 goto done;
|
|
0
|
584 default:
|
|
|
585 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
586 }
|
|
|
587 }
|
|
|
588 }
|
|
|
589
|
|
|
590 b->pos = p;
|
|
28
|
591 r->state = state;
|
|
0
|
592
|
|
28
|
593 return NGX_AGAIN;
|
|
0
|
594
|
|
28
|
595 done:
|
|
|
596
|
|
|
597 b->pos = p + 1;
|
|
0
|
598
|
|
28
|
599 if (r->request_end == NULL) {
|
|
|
600 r->request_end = p;
|
|
|
601 }
|
|
0
|
602
|
|
28
|
603 r->http_version = r->http_major * 1000 + r->http_minor;
|
|
|
604 r->state = sw_start;
|
|
0
|
605
|
|
28
|
606 if (r->http_version == 9 && r->method != NGX_HTTP_GET) {
|
|
|
607 return NGX_HTTP_PARSE_INVALID_09_METHOD;
|
|
0
|
608 }
|
|
28
|
609
|
|
|
610 return NGX_OK;
|
|
0
|
611 }
|
|
|
612
|
|
|
613
|
|
58
|
614 ngx_int_t
|
|
|
615 ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b)
|
|
0
|
616 {
|
|
56
|
617 u_char c, ch, *p;
|
|
198
|
618 ngx_uint_t hash, i;
|
|
0
|
619 enum {
|
|
|
620 sw_start = 0,
|
|
|
621 sw_name,
|
|
|
622 sw_space_before_value,
|
|
|
623 sw_value,
|
|
|
624 sw_space_after_value,
|
|
52
|
625 sw_ignore_line,
|
|
0
|
626 sw_almost_done,
|
|
52
|
627 sw_header_almost_done
|
|
0
|
628 } state;
|
|
|
629
|
|
250
|
630 /* the last '\0' is not needed because string is zero terminated */
|
|
|
631
|
|
198
|
632 static u_char lowcase[] =
|
|
|
633 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
|
|
634 "\0\0\0\0\0\0\0\0\0\0\0\0\0-\0\0" "0123456789\0\0\0\0\0\0"
|
|
|
635 "\0abcdefghijklmnopqrstuvwxyz\0\0\0\0\0"
|
|
|
636 "\0abcdefghijklmnopqrstuvwxyz\0\0\0\0\0"
|
|
|
637 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
|
|
638 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
|
|
639 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
|
|
640 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
|
|
|
641
|
|
0
|
642 state = r->state;
|
|
56
|
643 hash = r->header_hash;
|
|
198
|
644 i = r->lowcase_index;
|
|
0
|
645
|
|
28
|
646 for (p = b->pos; p < b->last; p++) {
|
|
|
647 ch = *p;
|
|
0
|
648
|
|
|
649 switch (state) {
|
|
|
650
|
|
|
651 /* first char */
|
|
|
652 case sw_start:
|
|
60
|
653 r->invalid_header = 0;
|
|
|
654
|
|
0
|
655 switch (ch) {
|
|
|
656 case CR:
|
|
28
|
657 r->header_end = p;
|
|
0
|
658 state = sw_header_almost_done;
|
|
|
659 break;
|
|
|
660 case LF:
|
|
28
|
661 r->header_end = p;
|
|
|
662 goto header_done;
|
|
0
|
663 default:
|
|
|
664 state = sw_name;
|
|
28
|
665 r->header_name_start = p;
|
|
0
|
666
|
|
198
|
667 c = lowcase[ch];
|
|
0
|
668
|
|
198
|
669 if (c) {
|
|
|
670 hash = ngx_hash(0, c);
|
|
|
671 r->lowcase_header[0] = c;
|
|
|
672 i = 1;
|
|
0
|
673 break;
|
|
|
674 }
|
|
|
675
|
|
60
|
676 r->invalid_header = 1;
|
|
|
677
|
|
52
|
678 break;
|
|
0
|
679
|
|
|
680 }
|
|
|
681 break;
|
|
|
682
|
|
|
683 /* header name */
|
|
|
684 case sw_name:
|
|
198
|
685 c = lowcase[ch];
|
|
|
686
|
|
|
687 if (c) {
|
|
|
688 hash = ngx_hash(hash, c);
|
|
|
689 r->lowcase_header[i++] = c;
|
|
|
690 i &= ~NGX_HTTP_LC_HEADER_LEN;
|
|
0
|
691 break;
|
|
|
692 }
|
|
|
693
|
|
|
694 if (ch == ':') {
|
|
28
|
695 r->header_name_end = p;
|
|
0
|
696 state = sw_space_before_value;
|
|
|
697 break;
|
|
|
698 }
|
|
|
699
|
|
58
|
700 if (ch == CR) {
|
|
|
701 r->header_name_end = p;
|
|
|
702 r->header_start = p;
|
|
|
703 r->header_end = p;
|
|
|
704 state = sw_almost_done;
|
|
|
705 break;
|
|
|
706 }
|
|
|
707
|
|
|
708 if (ch == LF) {
|
|
|
709 r->header_name_end = p;
|
|
|
710 r->header_start = p;
|
|
|
711 r->header_end = p;
|
|
|
712 goto done;
|
|
|
713 }
|
|
|
714
|
|
2
|
715 /* IIS may send the duplicate "HTTP/1.1 ..." lines */
|
|
0
|
716 if (ch == '/'
|
|
58
|
717 && r->upstream
|
|
|
718 && p - r->header_name_start == 4
|
|
|
719 && ngx_strncmp(r->header_name_start, "HTTP", 4) == 0)
|
|
0
|
720 {
|
|
|
721 state = sw_ignore_line;
|
|
|
722 break;
|
|
|
723 }
|
|
|
724
|
|
60
|
725 r->invalid_header = 1;
|
|
|
726
|
|
52
|
727 break;
|
|
0
|
728
|
|
|
729 /* space* before header value */
|
|
|
730 case sw_space_before_value:
|
|
|
731 switch (ch) {
|
|
|
732 case ' ':
|
|
|
733 break;
|
|
|
734 case CR:
|
|
58
|
735 r->header_start = p;
|
|
|
736 r->header_end = p;
|
|
0
|
737 state = sw_almost_done;
|
|
|
738 break;
|
|
|
739 case LF:
|
|
58
|
740 r->header_start = p;
|
|
|
741 r->header_end = p;
|
|
28
|
742 goto done;
|
|
0
|
743 default:
|
|
28
|
744 r->header_start = p;
|
|
0
|
745 state = sw_value;
|
|
|
746 break;
|
|
|
747 }
|
|
|
748 break;
|
|
|
749
|
|
|
750 /* header value */
|
|
|
751 case sw_value:
|
|
|
752 switch (ch) {
|
|
|
753 case ' ':
|
|
28
|
754 r->header_end = p;
|
|
0
|
755 state = sw_space_after_value;
|
|
|
756 break;
|
|
|
757 case CR:
|
|
28
|
758 r->header_end = p;
|
|
0
|
759 state = sw_almost_done;
|
|
|
760 break;
|
|
|
761 case LF:
|
|
28
|
762 r->header_end = p;
|
|
|
763 goto done;
|
|
0
|
764 }
|
|
|
765 break;
|
|
|
766
|
|
|
767 /* space* before end of header line */
|
|
|
768 case sw_space_after_value:
|
|
|
769 switch (ch) {
|
|
|
770 case ' ':
|
|
|
771 break;
|
|
|
772 case CR:
|
|
|
773 state = sw_almost_done;
|
|
|
774 break;
|
|
|
775 case LF:
|
|
28
|
776 goto done;
|
|
0
|
777 default:
|
|
|
778 state = sw_value;
|
|
|
779 break;
|
|
|
780 }
|
|
|
781 break;
|
|
|
782
|
|
|
783 /* ignore header line */
|
|
|
784 case sw_ignore_line:
|
|
|
785 switch (ch) {
|
|
|
786 case LF:
|
|
|
787 state = sw_start;
|
|
|
788 break;
|
|
|
789 default:
|
|
|
790 break;
|
|
|
791 }
|
|
|
792 break;
|
|
|
793
|
|
|
794 /* end of header line */
|
|
|
795 case sw_almost_done:
|
|
|
796 switch (ch) {
|
|
172
|
797 case CR:
|
|
|
798 break;
|
|
0
|
799 case LF:
|
|
28
|
800 goto done;
|
|
0
|
801 default:
|
|
|
802 return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
|
803 }
|
|
174
|
804 break;
|
|
0
|
805
|
|
|
806 /* end of header */
|
|
|
807 case sw_header_almost_done:
|
|
|
808 switch (ch) {
|
|
|
809 case LF:
|
|
28
|
810 goto header_done;
|
|
0
|
811 default:
|
|
|
812 return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
|
813 }
|
|
|
814 }
|
|
|
815 }
|
|
|
816
|
|
|
817 b->pos = p;
|
|
28
|
818 r->state = state;
|
|
56
|
819 r->header_hash = hash;
|
|
198
|
820 r->lowcase_index = i;
|
|
0
|
821
|
|
28
|
822 return NGX_AGAIN;
|
|
|
823
|
|
|
824 done:
|
|
|
825
|
|
|
826 b->pos = p + 1;
|
|
|
827 r->state = sw_start;
|
|
56
|
828 r->header_hash = hash;
|
|
198
|
829 r->lowcase_index = i;
|
|
0
|
830
|
|
28
|
831 return NGX_OK;
|
|
|
832
|
|
|
833 header_done:
|
|
0
|
834
|
|
28
|
835 b->pos = p + 1;
|
|
|
836 r->state = sw_start;
|
|
|
837
|
|
|
838 return NGX_HTTP_PARSE_HEADER_DONE;
|
|
0
|
839 }
|
|
|
840
|
|
|
841
|
|
58
|
842 ngx_int_t
|
|
|
843 ngx_http_parse_complex_uri(ngx_http_request_t *r)
|
|
0
|
844 {
|
|
|
845 u_char c, ch, decoded, *p, *u;
|
|
|
846 enum {
|
|
|
847 sw_usual = 0,
|
|
|
848 sw_slash,
|
|
|
849 sw_dot,
|
|
|
850 sw_dot_dot,
|
|
10
|
851 #if (NGX_WIN32)
|
|
0
|
852 sw_dot_dot_dot,
|
|
|
853 #endif
|
|
|
854 sw_quoted,
|
|
|
855 sw_quoted_second
|
|
|
856 } state, quoted_state;
|
|
|
857
|
|
28
|
858 #if (NGX_SUPPRESS_WARN)
|
|
0
|
859 decoded = '\0';
|
|
|
860 quoted_state = sw_usual;
|
|
28
|
861 #endif
|
|
0
|
862
|
|
|
863 state = sw_usual;
|
|
|
864 p = r->uri_start;
|
|
|
865 u = r->uri.data;
|
|
|
866 r->uri_ext = NULL;
|
|
10
|
867 r->args_start = NULL;
|
|
0
|
868
|
|
|
869 ch = *p++;
|
|
|
870
|
|
28
|
871 while (p <= r->uri_end) {
|
|
10
|
872
|
|
|
873 /*
|
|
28
|
874 * we use "ch = *p++" inside the cycle, but this operation is safe,
|
|
10
|
875 * because after the URI there is always at least one charcter:
|
|
|
876 * the line feed
|
|
|
877 */
|
|
0
|
878
|
|
|
879 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
880 "s:%d in:'%Xd:%c', out:'%c'", state, ch, ch, *u);
|
|
0
|
881
|
|
|
882 switch (state) {
|
|
122
|
883
|
|
0
|
884 case sw_usual:
|
|
254
|
885
|
|
|
886 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
887 *u++ = ch;
|
|
|
888 ch = *p++;
|
|
|
889 break;
|
|
|
890 }
|
|
|
891
|
|
0
|
892 switch(ch) {
|
|
10
|
893 #if (NGX_WIN32)
|
|
|
894 case '\\':
|
|
|
895 r->uri_ext = NULL;
|
|
|
896
|
|
|
897 if (p == r->uri_start + r->uri.len) {
|
|
|
898
|
|
|
899 /*
|
|
|
900 * we omit the last "\" to cause redirect because
|
|
|
901 * the browsers do not treat "\" as "/" in relative URL path
|
|
|
902 */
|
|
|
903
|
|
|
904 break;
|
|
|
905 }
|
|
|
906
|
|
|
907 state = sw_slash;
|
|
|
908 *u++ = '/';
|
|
|
909 break;
|
|
|
910 #endif
|
|
0
|
911 case '/':
|
|
|
912 r->uri_ext = NULL;
|
|
|
913 state = sw_slash;
|
|
|
914 *u++ = ch;
|
|
|
915 break;
|
|
|
916 case '%':
|
|
|
917 quoted_state = state;
|
|
|
918 state = sw_quoted;
|
|
|
919 break;
|
|
10
|
920 case '?':
|
|
|
921 r->args_start = p;
|
|
254
|
922 goto args;
|
|
|
923 case '#':
|
|
28
|
924 goto done;
|
|
0
|
925 case '.':
|
|
|
926 r->uri_ext = u + 1;
|
|
22
|
927 *u++ = ch;
|
|
|
928 break;
|
|
206
|
929 case '+':
|
|
|
930 r->plus_in_uri = 1;
|
|
0
|
931 default:
|
|
|
932 *u++ = ch;
|
|
|
933 break;
|
|
|
934 }
|
|
254
|
935
|
|
0
|
936 ch = *p++;
|
|
|
937 break;
|
|
|
938
|
|
|
939 case sw_slash:
|
|
254
|
940
|
|
|
941 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
942 state = sw_usual;
|
|
|
943 *u++ = ch;
|
|
|
944 ch = *p++;
|
|
|
945 break;
|
|
|
946 }
|
|
|
947
|
|
0
|
948 switch(ch) {
|
|
10
|
949 #if (NGX_WIN32)
|
|
|
950 case '\\':
|
|
|
951 #endif
|
|
0
|
952 case '/':
|
|
|
953 break;
|
|
|
954 case '.':
|
|
|
955 state = sw_dot;
|
|
|
956 *u++ = ch;
|
|
|
957 break;
|
|
|
958 case '%':
|
|
|
959 quoted_state = state;
|
|
|
960 state = sw_quoted;
|
|
|
961 break;
|
|
28
|
962 case '?':
|
|
|
963 r->args_start = p;
|
|
254
|
964 goto args;
|
|
|
965 case '#':
|
|
28
|
966 goto done;
|
|
206
|
967 case '+':
|
|
|
968 r->plus_in_uri = 1;
|
|
0
|
969 default:
|
|
|
970 state = sw_usual;
|
|
|
971 *u++ = ch;
|
|
|
972 break;
|
|
|
973 }
|
|
254
|
974
|
|
0
|
975 ch = *p++;
|
|
|
976 break;
|
|
|
977
|
|
|
978 case sw_dot:
|
|
254
|
979
|
|
|
980 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
981 state = sw_usual;
|
|
|
982 *u++ = ch;
|
|
|
983 ch = *p++;
|
|
|
984 break;
|
|
|
985 }
|
|
|
986
|
|
0
|
987 switch(ch) {
|
|
10
|
988 #if (NGX_WIN32)
|
|
|
989 case '\\':
|
|
|
990 #endif
|
|
0
|
991 case '/':
|
|
|
992 state = sw_slash;
|
|
|
993 u--;
|
|
|
994 break;
|
|
|
995 case '.':
|
|
|
996 state = sw_dot_dot;
|
|
|
997 *u++ = ch;
|
|
|
998 break;
|
|
|
999 case '%':
|
|
|
1000 quoted_state = state;
|
|
|
1001 state = sw_quoted;
|
|
|
1002 break;
|
|
28
|
1003 case '?':
|
|
|
1004 r->args_start = p;
|
|
254
|
1005 goto args;
|
|
|
1006 case '#':
|
|
28
|
1007 goto done;
|
|
206
|
1008 case '+':
|
|
|
1009 r->plus_in_uri = 1;
|
|
0
|
1010 default:
|
|
|
1011 state = sw_usual;
|
|
|
1012 *u++ = ch;
|
|
|
1013 break;
|
|
|
1014 }
|
|
254
|
1015
|
|
0
|
1016 ch = *p++;
|
|
|
1017 break;
|
|
|
1018
|
|
|
1019 case sw_dot_dot:
|
|
254
|
1020
|
|
|
1021 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
1022 state = sw_usual;
|
|
|
1023 *u++ = ch;
|
|
|
1024 ch = *p++;
|
|
|
1025 break;
|
|
|
1026 }
|
|
|
1027
|
|
0
|
1028 switch(ch) {
|
|
10
|
1029 #if (NGX_WIN32)
|
|
|
1030 case '\\':
|
|
|
1031 #endif
|
|
0
|
1032 case '/':
|
|
|
1033 state = sw_slash;
|
|
|
1034 u -= 4;
|
|
|
1035 if (u < r->uri.data) {
|
|
|
1036 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
1037 }
|
|
|
1038 while (*(u - 1) != '/') {
|
|
|
1039 u--;
|
|
|
1040 }
|
|
|
1041 break;
|
|
|
1042 case '%':
|
|
|
1043 quoted_state = state;
|
|
|
1044 state = sw_quoted;
|
|
|
1045 break;
|
|
28
|
1046 case '?':
|
|
|
1047 r->args_start = p;
|
|
254
|
1048 goto args;
|
|
|
1049 case '#':
|
|
28
|
1050 goto done;
|
|
10
|
1051 #if (NGX_WIN32)
|
|
0
|
1052 case '.':
|
|
|
1053 state = sw_dot_dot_dot;
|
|
|
1054 *u++ = ch;
|
|
|
1055 break;
|
|
|
1056 #endif
|
|
206
|
1057 case '+':
|
|
|
1058 r->plus_in_uri = 1;
|
|
0
|
1059 default:
|
|
|
1060 state = sw_usual;
|
|
|
1061 *u++ = ch;
|
|
|
1062 break;
|
|
|
1063 }
|
|
254
|
1064
|
|
0
|
1065 ch = *p++;
|
|
|
1066 break;
|
|
|
1067
|
|
10
|
1068 #if (NGX_WIN32)
|
|
0
|
1069 case sw_dot_dot_dot:
|
|
254
|
1070
|
|
|
1071 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
1072 state = sw_usual;
|
|
|
1073 *u++ = ch;
|
|
|
1074 ch = *p++;
|
|
|
1075 break;
|
|
|
1076 }
|
|
|
1077
|
|
0
|
1078 switch(ch) {
|
|
10
|
1079 case '\\':
|
|
0
|
1080 case '/':
|
|
|
1081 state = sw_slash;
|
|
|
1082 u -= 5;
|
|
|
1083 if (u < r->uri.data) {
|
|
|
1084 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
1085 }
|
|
|
1086 while (*u != '/') {
|
|
|
1087 u--;
|
|
|
1088 }
|
|
|
1089 if (u < r->uri.data) {
|
|
|
1090 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
1091 }
|
|
|
1092 while (*(u - 1) != '/') {
|
|
|
1093 u--;
|
|
|
1094 }
|
|
|
1095 break;
|
|
|
1096 case '%':
|
|
|
1097 quoted_state = state;
|
|
|
1098 state = sw_quoted;
|
|
|
1099 break;
|
|
122
|
1100 case '?':
|
|
|
1101 r->args_start = p;
|
|
254
|
1102 goto args;
|
|
|
1103 case '#':
|
|
122
|
1104 goto done;
|
|
206
|
1105 case '+':
|
|
|
1106 r->plus_in_uri = 1;
|
|
0
|
1107 default:
|
|
|
1108 state = sw_usual;
|
|
|
1109 *u++ = ch;
|
|
|
1110 break;
|
|
|
1111 }
|
|
254
|
1112
|
|
0
|
1113 ch = *p++;
|
|
|
1114 break;
|
|
|
1115 #endif
|
|
|
1116
|
|
|
1117 case sw_quoted:
|
|
216
|
1118 r->quoted_uri = 1;
|
|
|
1119
|
|
0
|
1120 if (ch >= '0' && ch <= '9') {
|
|
|
1121 decoded = (u_char) (ch - '0');
|
|
|
1122 state = sw_quoted_second;
|
|
|
1123 ch = *p++;
|
|
|
1124 break;
|
|
|
1125 }
|
|
|
1126
|
|
|
1127 c = (u_char) (ch | 0x20);
|
|
|
1128 if (c >= 'a' && c <= 'f') {
|
|
|
1129 decoded = (u_char) (c - 'a' + 10);
|
|
|
1130 state = sw_quoted_second;
|
|
|
1131 ch = *p++;
|
|
|
1132 break;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
1136
|
|
|
1137 case sw_quoted_second:
|
|
|
1138 if (ch >= '0' && ch <= '9') {
|
|
|
1139 ch = (u_char) ((decoded << 4) + ch - '0');
|
|
38
|
1140
|
|
0
|
1141 if (ch == '%') {
|
|
|
1142 state = sw_usual;
|
|
|
1143 *u++ = ch;
|
|
|
1144 ch = *p++;
|
|
|
1145 break;
|
|
|
1146 }
|
|
38
|
1147
|
|
254
|
1148 if (ch == '#') {
|
|
|
1149 *u++ = ch;
|
|
|
1150 ch = *p++;
|
|
|
1151
|
|
|
1152 } else if (ch == '\0') {
|
|
38
|
1153 r->zero_in_uri = 1;
|
|
|
1154 }
|
|
|
1155
|
|
0
|
1156 state = quoted_state;
|
|
|
1157 break;
|
|
|
1158 }
|
|
|
1159
|
|
|
1160 c = (u_char) (ch | 0x20);
|
|
|
1161 if (c >= 'a' && c <= 'f') {
|
|
|
1162 ch = (u_char) ((decoded << 4) + c - 'a' + 10);
|
|
206
|
1163
|
|
28
|
1164 if (ch == '?') {
|
|
0
|
1165 *u++ = ch;
|
|
|
1166 ch = *p++;
|
|
206
|
1167
|
|
|
1168 } else if (ch == '+') {
|
|
|
1169 r->plus_in_uri = 1;
|
|
0
|
1170 }
|
|
206
|
1171
|
|
0
|
1172 state = quoted_state;
|
|
|
1173 break;
|
|
|
1174 }
|
|
|
1175
|
|
|
1176 return NGX_HTTP_PARSE_INVALID_REQUEST;
|
|
|
1177 }
|
|
|
1178 }
|
|
|
1179
|
|
28
|
1180 done:
|
|
|
1181
|
|
0
|
1182 r->uri.len = u - r->uri.data;
|
|
254
|
1183
|
|
|
1184 if (r->uri_ext) {
|
|
|
1185 r->exten.len = u - r->uri_ext;
|
|
|
1186 r->exten.data = r->uri_ext;
|
|
|
1187 }
|
|
|
1188
|
|
|
1189 r->uri_ext = NULL;
|
|
|
1190
|
|
|
1191 return NGX_OK;
|
|
|
1192
|
|
|
1193 args:
|
|
|
1194
|
|
|
1195 while (p < r->uri_end) {
|
|
|
1196 if (*p++ != '#') {
|
|
|
1197 continue;
|
|
|
1198 }
|
|
|
1199
|
|
|
1200 r->args.len = p - 1 - r->args_start;
|
|
|
1201 r->args.data = r->args_start;
|
|
|
1202 r->args_start = NULL;
|
|
|
1203
|
|
|
1204 break;
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 r->uri.len = u - r->uri.data;
|
|
0
|
1208
|
|
|
1209 if (r->uri_ext) {
|
|
|
1210 r->exten.len = u - r->uri_ext;
|
|
10
|
1211 r->exten.data = r->uri_ext;
|
|
0
|
1212 }
|
|
|
1213
|
|
|
1214 r->uri_ext = NULL;
|
|
|
1215
|
|
|
1216 return NGX_OK;
|
|
|
1217 }
|
|
58
|
1218
|
|
|
1219
|
|
|
1220 ngx_int_t
|
|
122
|
1221 ngx_http_parse_unsafe_uri(ngx_http_request_t *r, ngx_str_t *uri,
|
|
|
1222 ngx_str_t *args, ngx_uint_t *flags)
|
|
|
1223 {
|
|
|
1224 u_char ch, *p;
|
|
|
1225 size_t len;
|
|
|
1226
|
|
|
1227 len = uri->len;
|
|
|
1228 p = uri->data;
|
|
|
1229
|
|
|
1230 if (len == 0 || p[0] == '?') {
|
|
|
1231 goto unsafe;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 if (p[0] == '.' && len == 3 && p[1] == '.' && (p[2] == '/'
|
|
|
1235 #if (NGX_WIN32)
|
|
|
1236 || p[2] == '\\'
|
|
|
1237 #endif
|
|
|
1238 ))
|
|
|
1239 {
|
|
|
1240 goto unsafe;
|
|
|
1241 }
|
|
|
1242
|
|
|
1243 for ( /* void */ ; len; len--) {
|
|
|
1244
|
|
|
1245 ch = *p++;
|
|
|
1246
|
|
254
|
1247 if (usual[ch >> 5] & (1 << (ch & 0x1f))) {
|
|
|
1248 continue;
|
|
|
1249 }
|
|
|
1250
|
|
122
|
1251 if (ch == '?') {
|
|
|
1252 args->len = len - 1;
|
|
|
1253 args->data = p;
|
|
|
1254 uri->len -= len;
|
|
|
1255
|
|
|
1256 return NGX_OK;
|
|
|
1257 }
|
|
|
1258
|
|
|
1259 if (ch == '\0') {
|
|
|
1260 *flags |= NGX_HTTP_ZERO_IN_URI;
|
|
|
1261 continue;
|
|
|
1262 }
|
|
|
1263
|
|
254
|
1264 if ((ch == '/'
|
|
122
|
1265 #if (NGX_WIN32)
|
|
254
|
1266 || ch == '\\'
|
|
122
|
1267 #endif
|
|
254
|
1268 ) && len > 2)
|
|
122
|
1269 {
|
|
|
1270 /* detect "/../" */
|
|
|
1271
|
|
124
|
1272 if (p[0] == '.' && p[1] == '.' && p[2] == '/') {
|
|
122
|
1273 goto unsafe;
|
|
|
1274 }
|
|
|
1275
|
|
|
1276 #if (NGX_WIN32)
|
|
|
1277
|
|
|
1278 if (p[2] == '\\') {
|
|
|
1279 goto unsafe;
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 if (len > 3) {
|
|
|
1283
|
|
|
1284 /* detect "/.../" */
|
|
|
1285
|
|
124
|
1286 if (p[0] == '.' && p[1] == '.' && p[2] == '.'
|
|
|
1287 && (p[3] == '/' || p[3] == '\\'))
|
|
|
1288 {
|
|
122
|
1289 goto unsafe;
|
|
|
1290 }
|
|
|
1291 }
|
|
|
1292 #endif
|
|
|
1293 }
|
|
|
1294 }
|
|
|
1295
|
|
|
1296 return NGX_OK;
|
|
|
1297
|
|
|
1298 unsafe:
|
|
|
1299
|
|
|
1300 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1301 "unsafe URI \"%V\" was detected", uri);
|
|
|
1302
|
|
|
1303 return NGX_ERROR;
|
|
|
1304 }
|
|
|
1305
|
|
|
1306
|
|
|
1307 ngx_int_t
|
|
58
|
1308 ngx_http_parse_multi_header_lines(ngx_array_t *headers, ngx_str_t *name,
|
|
|
1309 ngx_str_t *value)
|
|
|
1310 {
|
|
|
1311 ngx_uint_t i;
|
|
|
1312 u_char *start, *last, *end, ch;
|
|
|
1313 ngx_table_elt_t **h;
|
|
|
1314
|
|
|
1315 h = headers->elts;
|
|
|
1316
|
|
|
1317 for (i = 0; i < headers->nelts; i++) {
|
|
|
1318
|
|
|
1319 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, headers->pool->log, 0,
|
|
|
1320 "parse header: \"%V: %V\"", &h[i]->key, &h[i]->value);
|
|
|
1321
|
|
|
1322 if (name->len > h[i]->value.len) {
|
|
|
1323 continue;
|
|
|
1324 }
|
|
126
|
1325
|
|
58
|
1326 start = h[i]->value.data;
|
|
|
1327 end = h[i]->value.data + h[i]->value.len;
|
|
|
1328
|
|
|
1329 while (start < end) {
|
|
|
1330
|
|
|
1331 if (ngx_strncasecmp(start, name->data, name->len) != 0) {
|
|
|
1332 goto skip;
|
|
|
1333 }
|
|
|
1334
|
|
|
1335 for (start += name->len; start < end && *start == ' '; start++) {
|
|
|
1336 /* void */
|
|
|
1337 }
|
|
|
1338
|
|
|
1339 if (value == NULL) {
|
|
|
1340 if (start == end || *start == ',') {
|
|
|
1341 return i;
|
|
|
1342 }
|
|
|
1343
|
|
|
1344 goto skip;
|
|
|
1345 }
|
|
|
1346
|
|
|
1347 if (start == end || *start++ != '=') {
|
|
|
1348 /* the invalid header value */
|
|
|
1349 goto skip;
|
|
|
1350 }
|
|
|
1351
|
|
|
1352 while (start < end && *start == ' ') { start++; }
|
|
|
1353
|
|
|
1354 for (last = start; last < end && *last != ';'; last++) {
|
|
|
1355 /* void */
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 value->len = last - start;
|
|
|
1359 value->data = start;
|
|
|
1360
|
|
|
1361 return i;
|
|
|
1362
|
|
|
1363 skip:
|
|
122
|
1364
|
|
58
|
1365 while (start < end) {
|
|
|
1366 ch = *start++;
|
|
|
1367 if (ch == ';' || ch == ',') {
|
|
|
1368 break;
|
|
|
1369 }
|
|
|
1370 }
|
|
|
1371
|
|
|
1372 while (start < end && *start == ' ') { start++; }
|
|
|
1373 }
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 return NGX_DECLINED;
|
|
|
1377 }
|
