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