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7692
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1
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2 /*
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3 * Copyright (C) Roman Arutyunyan
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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13 ngx_int_t
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14 ngx_http_v3_parse_varlen_int(ngx_connection_t *c,
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15 ngx_http_v3_parse_varlen_int_t *st, u_char ch)
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16 {
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17 enum {
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18 sw_start = 0,
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19 sw_length_2,
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20 sw_length_3,
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21 sw_length_4,
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22 sw_length_5,
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23 sw_length_6,
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24 sw_length_7,
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25 sw_length_8
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26 };
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27
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28 switch (st->state) {
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29
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30 case sw_start:
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31
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32 st->value = ch;
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33 if (st->value & 0xc0) {
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34 st->state = sw_length_2;
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35 break;
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36 }
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37
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38 goto done;
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39
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40 case sw_length_2:
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41
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42 st->value = (st->value << 8) + ch;
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43 if ((st->value & 0xc000) == 0x4000) {
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44 st->value &= 0x3fff;
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45 goto done;
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46 }
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47
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48 st->state = sw_length_3;
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49 break;
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50
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51 case sw_length_4:
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52
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53 st->value = (st->value << 8) + ch;
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54 if ((st->value & 0xc0000000) == 0x80000000) {
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55 st->value &= 0x3fffffff;
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56 goto done;
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57 }
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58
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59 st->state = sw_length_5;
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60 break;
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61
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62 case sw_length_3:
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63 case sw_length_5:
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64 case sw_length_6:
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65 case sw_length_7:
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66
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67 st->value = (st->value << 8) + ch;
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68 st->state++;
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69 break;
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70
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71 case sw_length_8:
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72
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73 st->value = (st->value << 8) + ch;
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74 st->value &= 0x3fffffffffffffff;
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75 goto done;
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76 }
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77
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78 return NGX_AGAIN;
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79
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80 done:
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81
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82 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
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83 "http3 parse varlen int %uL", st->value);
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84
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85 st->state = sw_start;
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86 return NGX_DONE;
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87 }
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88
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89
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90 ngx_int_t
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91 ngx_http_v3_parse_prefix_int(ngx_connection_t *c,
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92 ngx_http_v3_parse_prefix_int_t *st, ngx_uint_t prefix, u_char ch)
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93 {
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94 enum {
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95 sw_start = 0,
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96 sw_value
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97 };
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98
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99 switch (st->state) {
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100
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101 case sw_start:
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102
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103 st->mask = (1 << prefix) - 1;
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104 st->value = (ch & st->mask);
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105
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106 if (st->value != st->mask) {
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107 goto done;
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108 }
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109
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110 st->value = 0;
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111 st->state = sw_value;
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112 break;
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113
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114 case sw_value:
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115
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116 st->value = (st->value << 7) + (ch & 0x7f);
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117 if (ch & 0x80) {
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118 break;
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119 }
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120
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121 st->value += st->mask;
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122 goto done;
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123 }
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124
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125 return NGX_AGAIN;
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126
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127 done:
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128
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129 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
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130 "http3 parse prefix int %uL", st->value);
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131
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132 st->state = sw_start;
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133 return NGX_DONE;
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134 }
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135
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136
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137 ngx_int_t
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138 ngx_http_v3_parse_headers(ngx_connection_t *c, ngx_http_v3_parse_headers_t *st,
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139 u_char ch)
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140 {
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141 ngx_int_t rc;
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142 enum {
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143 sw_start = 0,
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144 sw_length,
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145 sw_prefix,
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146 sw_header_rep,
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147 sw_done
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148 };
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149
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150 switch (st->state) {
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151
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152 case sw_start:
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153
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154 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers");
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155
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156 if (ch != NGX_HTTP_V3_FRAME_HEADERS) {
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157 return NGX_ERROR;
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158 }
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159
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160 st->state = sw_length;
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161 break;
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162
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163 case sw_length:
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164
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165 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
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166 break;
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167 }
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168
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169 st->length = st->vlint.value;
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170
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171 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
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172 "http3 parse headers len:%ui", st->length);
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173
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174 st->state = sw_prefix;
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175 break;
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176
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177 case sw_prefix:
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178
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179 if (st->length-- == 0) {
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180 return NGX_ERROR;
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181 }
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182
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183 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch);
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184
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185 if (rc == NGX_ERROR) {
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186 return NGX_ERROR;
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187 }
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188
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189 if (rc != NGX_DONE) {
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190 break;
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191 }
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192
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193 if (st->length == 0) {
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194 return NGX_ERROR;
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195 }
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196
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197 st->state = sw_header_rep;
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198 break;
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199
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200 case sw_header_rep:
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201
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202 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base,
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203 ch);
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204
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205 if (rc == NGX_ERROR) {
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206 return NGX_ERROR;
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207 }
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208
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209 if (--st->length == 0) {
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210 if (rc != NGX_DONE) {
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211 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "XXX len");
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212 return NGX_ERROR;
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213 }
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214
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215 goto done;
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216 }
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217
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218 if (rc == NGX_DONE) {
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219 return NGX_OK;
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220 }
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221
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222 break;
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223 }
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224
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225 return NGX_AGAIN;
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226
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227 done:
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228
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229 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done");
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230
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231 st->state = sw_start;
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232 return NGX_DONE;
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233 }
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234
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235
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236 ngx_int_t
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237 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c,
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238 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch)
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239 {
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240 enum {
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241 sw_start = 0,
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242 sw_req_insert_count,
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243 sw_delta_base,
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244 sw_read_delta_base
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245 };
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246
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247 switch (st->state) {
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248
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249 case sw_start:
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250
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251 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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252 "http3 parse header block prefix");
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253
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254 st->state = sw_req_insert_count;
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255
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256 /* fall through */
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257
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258 case sw_req_insert_count:
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259
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260 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 8, ch) != NGX_DONE) {
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261 break;
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262 }
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263
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264 st->insert_count = st->pint.value;
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265 st->state = sw_delta_base;
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266 break;
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267
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268 case sw_delta_base:
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269
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270 st->sign = (ch & 0x80) ? 1 : 0;
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271 st->state = sw_read_delta_base;
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272
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273 /* fall through */
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274
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275 case sw_read_delta_base:
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276
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277 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) {
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278 break;
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279 }
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280
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281 st->delta_base = st->pint.value;
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282 goto done;
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283 }
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284
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285 return NGX_AGAIN;
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286
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287 done:
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288
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289 if (st->sign) {
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290 st->base = st->insert_count - st->delta_base - 1;
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291 } else {
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292 st->base = st->insert_count + st->delta_base;
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293 }
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294
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295 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
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296 "http3 parse header block prefix done "
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297 "i:%ui, s:%ui, d:%ui, base:%uL",
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298 st->insert_count, st->sign, st->delta_base, st->base);
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299
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300 st->state = sw_start;
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301 return NGX_DONE;
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302 }
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303
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304
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305 ngx_int_t
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306 ngx_http_v3_parse_header_rep(ngx_connection_t *c,
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307 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch)
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308 {
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309 ngx_int_t rc;
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310 enum {
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311 sw_start = 0,
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312 sw_header_ri,
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313 sw_header_lri,
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314 sw_header_l,
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315 sw_header_pbi,
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316 sw_header_lpbi
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317 };
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318
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319 if (st->state == sw_start) {
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320
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321 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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322 "http3 parse header representation");
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323
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324 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t));
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325
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326 st->header.base = base;
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327
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328 if (ch & 0x80) {
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329 /* Indexed Header Field */
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330
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331 st->state = sw_header_ri;
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332
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333 } else if (ch & 0x40) {
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334 /* Literal Header Field With Name Reference */
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335
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336 st->state = sw_header_lri;
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337
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338 } else if (ch & 0x20) {
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339 /* Literal Header Field Without Name Reference */
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340
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341 st->state = sw_header_l;
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342
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343 } else if (ch & 0x10) {
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344 /* Indexed Header Field With Post-Base Index */
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345
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346 st->state = sw_header_pbi;
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347
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348 } else {
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349 /* Literal Header Field With Post-Base Name Reference */
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350
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351 st->state = sw_header_lpbi;
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352 }
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353 }
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354
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355 switch (st->state) {
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356
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357 case sw_header_ri:
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358 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch);
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359 break;
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360
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361 case sw_header_lri:
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362 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch);
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363 break;
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364
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365 case sw_header_l:
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366 rc = ngx_http_v3_parse_header_l(c, &st->header, ch);
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367 break;
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368
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369 case sw_header_pbi:
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370 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch);
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371 break;
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372
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373 case sw_header_lpbi:
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374 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch);
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375 break;
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376
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377 default:
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378 rc = NGX_OK;
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379 }
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380
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381 if (rc == NGX_ERROR) {
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382 return NGX_ERROR;
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383 }
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384
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385 if (rc == NGX_AGAIN) {
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386 return NGX_AGAIN;
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387 }
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388
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389 /* rc == NGX_DONE */
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390
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391 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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392 "http3 parse header representation done");
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393
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394 st->state = sw_start;
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395 return NGX_DONE;
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396 }
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397
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398
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399 ngx_int_t
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400 ngx_http_v3_parse_literal(ngx_connection_t *c, ngx_http_v3_parse_literal_t *st,
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401 u_char ch)
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402 {
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403 ngx_uint_t n;
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404 enum {
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405 sw_start = 0,
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406 sw_value
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407 };
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408
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409 switch (st->state) {
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410
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411 case sw_start:
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412
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413 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
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414 "http3 parse literal huff:%ui, len:%ui",
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415 st->huffman, st->length);
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416
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417 n = st->length;
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418
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419 if (st->huffman) {
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420 n = n * 8 / 5;
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421 st->huffstate = 0;
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422 }
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423
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424 st->last = ngx_pnalloc(c->pool, n + 1);
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425 if (st->last == NULL) {
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426 return NGX_ERROR;
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427 }
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428
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429 st->value.data = st->last;
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430 st->state = sw_value;
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431
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432 /* fall through */
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433
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434 case sw_value:
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435
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436 if (st->huffman) {
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437 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last,
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438 st->length == 1, c->log)
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439 != NGX_OK)
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440 {
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441 return NGX_ERROR;
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442 }
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443
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444 } else {
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445 *st->last++ = ch;
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446 }
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447
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448 if (--st->length) {
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449 break;
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450 }
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451
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452 st->value.len = st->last - st->value.data;
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453 *st->last = '\0';
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454 goto done;
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455 }
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456
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|
|
457 return NGX_AGAIN;
|
|
|
458
|
|
|
459 done:
|
|
|
460
|
|
|
461 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
462 "http3 parse literal done \"%V\"", &st->value);
|
|
|
463
|
|
|
464 st->state = sw_start;
|
|
|
465 return NGX_DONE;
|
|
|
466 }
|
|
|
467
|
|
|
468
|
|
|
469 ngx_int_t
|
|
|
470 ngx_http_v3_parse_header_ri(ngx_connection_t *c, ngx_http_v3_parse_header_t *st,
|
|
|
471 u_char ch)
|
|
|
472 {
|
|
|
473 ngx_http_v3_header_t *h;
|
|
|
474 enum {
|
|
|
475 sw_start = 0,
|
|
|
476 sw_index
|
|
|
477 };
|
|
|
478
|
|
|
479 switch (st->state) {
|
|
|
480
|
|
|
481 case sw_start:
|
|
|
482
|
|
|
483 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri");
|
|
|
484
|
|
|
485 st->dynamic = (ch & 0x40) ? 0 : 1;
|
|
|
486 st->state = sw_index;
|
|
|
487
|
|
|
488 /* fall through */
|
|
|
489
|
|
|
490 case sw_index:
|
|
|
491
|
|
|
492 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) {
|
|
|
493 break;
|
|
|
494 }
|
|
|
495
|
|
|
496 st->index = st->pint.value;
|
|
|
497 goto done;
|
|
|
498 }
|
|
|
499
|
|
|
500 return NGX_AGAIN;
|
|
|
501
|
|
|
502 done:
|
|
|
503
|
|
|
504 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
505 "http3 parse header ri done %s%ui]",
|
|
|
506 st->dynamic ? "dynamic[-" : "static[", st->index);
|
|
|
507
|
|
|
508 if (st->dynamic) {
|
|
|
509 st->index = st->base - st->index - 1;
|
|
|
510 }
|
|
|
511
|
|
|
512 h = ngx_http_v3_lookup_table(c, st->dynamic, st->index);
|
|
|
513 if (h == NULL) {
|
|
|
514 return NGX_ERROR;
|
|
|
515 }
|
|
|
516
|
|
|
517 st->name = h->name;
|
|
|
518 st->value = h->value;
|
|
|
519 st->state = sw_start;
|
|
|
520
|
|
|
521 return NGX_DONE;
|
|
|
522 }
|
|
|
523
|
|
|
524
|
|
|
525 ngx_int_t
|
|
|
526 ngx_http_v3_parse_header_lri(ngx_connection_t *c,
|
|
|
527 ngx_http_v3_parse_header_t *st, u_char ch)
|
|
|
528 {
|
|
|
529 ngx_int_t rc;
|
|
|
530 ngx_http_v3_header_t *h;
|
|
|
531 enum {
|
|
|
532 sw_start = 0,
|
|
|
533 sw_index,
|
|
|
534 sw_value_len,
|
|
|
535 sw_read_value_len,
|
|
|
536 sw_value
|
|
|
537 };
|
|
|
538
|
|
|
539 switch (st->state) {
|
|
|
540
|
|
|
541 case sw_start:
|
|
|
542
|
|
|
543 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri");
|
|
|
544
|
|
|
545 st->dynamic = (ch & 0x10) ? 0 : 1;
|
|
|
546 st->state = sw_index;
|
|
|
547
|
|
|
548 /* fall through */
|
|
|
549
|
|
|
550 case sw_index:
|
|
|
551
|
|
|
552 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch) != NGX_DONE) {
|
|
|
553 break;
|
|
|
554 }
|
|
|
555
|
|
|
556 st->index = st->pint.value;
|
|
|
557 st->state = sw_value_len;
|
|
|
558 break;
|
|
|
559
|
|
|
560 case sw_value_len:
|
|
|
561
|
|
|
562 st->literal.huffman = (ch & 0x80) ? 1 : 0;
|
|
|
563 st->state = sw_read_value_len;
|
|
|
564
|
|
|
565 /* fall through */
|
|
|
566
|
|
|
567 case sw_read_value_len:
|
|
|
568
|
|
|
569 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) {
|
|
|
570 break;
|
|
|
571 }
|
|
|
572
|
|
|
573 st->literal.length = st->pint.value;
|
|
|
574 if (st->literal.length == 0) {
|
|
|
575 goto done;
|
|
|
576 }
|
|
|
577
|
|
|
578 st->state = sw_value;
|
|
|
579 break;
|
|
|
580
|
|
|
581 case sw_value:
|
|
|
582
|
|
|
583 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
584
|
|
|
585 if (rc == NGX_ERROR) {
|
|
|
586 return NGX_ERROR;
|
|
|
587 }
|
|
|
588
|
|
|
589 if (rc == NGX_DONE) {
|
|
|
590 st->value = st->literal.value;
|
|
|
591 goto done;
|
|
|
592 }
|
|
|
593
|
|
|
594 break;
|
|
|
595 }
|
|
|
596
|
|
|
597 return NGX_AGAIN;
|
|
|
598
|
|
|
599 done:
|
|
|
600
|
|
|
601 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
602 "http3 parse header lri done %s%ui] \"%V\"",
|
|
|
603 st->dynamic ? "dynamic[-" : "static[",
|
|
|
604 st->index, &st->value);
|
|
|
605
|
|
|
606 if (st->dynamic) {
|
|
|
607 st->index = st->base - st->index - 1;
|
|
|
608 }
|
|
|
609
|
|
|
610 h = ngx_http_v3_lookup_table(c, st->dynamic, st->index);
|
|
|
611 if (h == NULL) {
|
|
|
612 return NGX_ERROR;
|
|
|
613 }
|
|
|
614
|
|
|
615 st->name = h->name;
|
|
|
616 st->state = sw_start;
|
|
|
617 return NGX_DONE;
|
|
|
618 }
|
|
|
619
|
|
|
620
|
|
|
621 ngx_int_t
|
|
|
622 ngx_http_v3_parse_header_l(ngx_connection_t *c,
|
|
|
623 ngx_http_v3_parse_header_t *st, u_char ch)
|
|
|
624 {
|
|
|
625 ngx_int_t rc;
|
|
|
626 enum {
|
|
|
627 sw_start = 0,
|
|
|
628 sw_name_len,
|
|
|
629 sw_name,
|
|
|
630 sw_value_len,
|
|
|
631 sw_read_value_len,
|
|
|
632 sw_value
|
|
|
633 };
|
|
|
634
|
|
|
635 switch (st->state) {
|
|
|
636
|
|
|
637 case sw_start:
|
|
|
638
|
|
|
639 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l");
|
|
|
640
|
|
|
641 st->literal.huffman = (ch & 0x08) ? 1 : 0;
|
|
|
642 st->state = sw_name_len;
|
|
|
643
|
|
|
644 /* fall through */
|
|
|
645
|
|
|
646 case sw_name_len:
|
|
|
647
|
|
|
648 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch) != NGX_DONE) {
|
|
|
649 break;
|
|
|
650 }
|
|
|
651
|
|
|
652 st->literal.length = st->pint.value;
|
|
|
653 if (st->literal.length == 0) {
|
|
|
654 return NGX_ERROR;
|
|
|
655 }
|
|
|
656
|
|
|
657 st->state = sw_name;
|
|
|
658 break;
|
|
|
659
|
|
|
660 case sw_name:
|
|
|
661
|
|
|
662 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
663
|
|
|
664 if (rc == NGX_ERROR) {
|
|
|
665 return NGX_ERROR;
|
|
|
666 }
|
|
|
667
|
|
|
668 if (rc == NGX_DONE) {
|
|
|
669 st->name = st->literal.value;
|
|
|
670 st->state = sw_value_len;
|
|
|
671 }
|
|
|
672
|
|
|
673 break;
|
|
|
674
|
|
|
675 case sw_value_len:
|
|
|
676
|
|
|
677 st->literal.huffman = (ch & 0x80) ? 1 : 0;
|
|
|
678 st->state = sw_read_value_len;
|
|
|
679
|
|
|
680 /* fall through */
|
|
|
681
|
|
|
682 case sw_read_value_len:
|
|
|
683
|
|
|
684 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) {
|
|
|
685 break;
|
|
|
686 }
|
|
|
687
|
|
|
688 st->literal.length = st->pint.value;
|
|
|
689 if (st->literal.length == 0) {
|
|
|
690 goto done;
|
|
|
691 }
|
|
|
692
|
|
|
693 st->state = sw_value;
|
|
|
694 break;
|
|
|
695
|
|
|
696 case sw_value:
|
|
|
697
|
|
|
698 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
699
|
|
|
700 if (rc == NGX_ERROR) {
|
|
|
701 return NGX_ERROR;
|
|
|
702 }
|
|
|
703
|
|
|
704 if (rc == NGX_DONE) {
|
|
|
705 st->value = st->literal.value;
|
|
|
706 goto done;
|
|
|
707 }
|
|
|
708
|
|
|
709 break;
|
|
|
710 }
|
|
|
711
|
|
|
712 return NGX_AGAIN;
|
|
|
713
|
|
|
714 done:
|
|
|
715
|
|
|
716 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
717 "http3 parse header l done \"%V\" \"%V\"",
|
|
|
718 &st->name, &st->value);
|
|
|
719
|
|
|
720 st->state = sw_start;
|
|
|
721 return NGX_DONE;
|
|
|
722 }
|
|
|
723
|
|
|
724
|
|
|
725 ngx_int_t
|
|
|
726 ngx_http_v3_parse_header_pbi(ngx_connection_t *c,
|
|
|
727 ngx_http_v3_parse_header_t *st, u_char ch)
|
|
|
728 {
|
|
|
729 ngx_http_v3_header_t *h;
|
|
|
730 enum {
|
|
|
731 sw_start = 0,
|
|
|
732 sw_index
|
|
|
733 };
|
|
|
734
|
|
|
735 switch (st->state) {
|
|
|
736
|
|
|
737 case sw_start:
|
|
|
738
|
|
|
739 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi");
|
|
|
740
|
|
|
741 st->state = sw_index;
|
|
|
742
|
|
|
743 /* fall through */
|
|
|
744
|
|
|
745 case sw_index:
|
|
|
746
|
|
|
747 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch) != NGX_DONE) {
|
|
|
748 break;
|
|
|
749 }
|
|
|
750
|
|
|
751 st->index = st->pint.value;
|
|
|
752 goto done;
|
|
|
753 }
|
|
|
754
|
|
|
755 return NGX_AGAIN;
|
|
|
756
|
|
|
757 done:
|
|
|
758
|
|
|
759 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
760 "http3 parse header pbi done dynamic[+%ui]", st->index);
|
|
|
761
|
|
|
762 h = ngx_http_v3_lookup_table(c, 1, st->base + st->index);
|
|
|
763 if (h == NULL) {
|
|
|
764 return NGX_ERROR;
|
|
|
765 }
|
|
|
766
|
|
|
767 st->name = h->name;
|
|
|
768 st->value = h->value;
|
|
|
769 st->state = sw_start;
|
|
|
770 return NGX_DONE;
|
|
|
771 }
|
|
|
772
|
|
|
773
|
|
|
774 ngx_int_t
|
|
|
775 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c,
|
|
|
776 ngx_http_v3_parse_header_t *st, u_char ch)
|
|
|
777 {
|
|
|
778 ngx_int_t rc;
|
|
|
779 ngx_http_v3_header_t *h;
|
|
|
780 enum {
|
|
|
781 sw_start = 0,
|
|
|
782 sw_index,
|
|
|
783 sw_value_len,
|
|
|
784 sw_read_value_len,
|
|
|
785 sw_value
|
|
|
786 };
|
|
|
787
|
|
|
788 switch (st->state) {
|
|
|
789
|
|
|
790 case sw_start:
|
|
|
791
|
|
|
792 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
793 "http3 parse header lpbi");
|
|
|
794
|
|
|
795 st->state = sw_index;
|
|
|
796
|
|
|
797 /* fall through */
|
|
|
798
|
|
|
799 case sw_index:
|
|
|
800
|
|
|
801 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch) != NGX_DONE) {
|
|
|
802 break;
|
|
|
803 }
|
|
|
804
|
|
|
805 st->index = st->pint.value;
|
|
|
806 st->state = sw_value_len;
|
|
|
807 break;
|
|
|
808
|
|
|
809 case sw_value_len:
|
|
|
810
|
|
|
811 st->literal.huffman = (ch & 0x80) ? 1 : 0;
|
|
|
812 st->state = sw_read_value_len;
|
|
|
813
|
|
|
814 /* fall through */
|
|
|
815
|
|
|
816 case sw_read_value_len:
|
|
|
817
|
|
|
818 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) {
|
|
|
819 break;
|
|
|
820 }
|
|
|
821
|
|
|
822 st->literal.length = st->pint.value;
|
|
|
823 if (st->literal.length == 0) {
|
|
|
824 goto done;
|
|
|
825 }
|
|
|
826
|
|
|
827 st->state = sw_value;
|
|
|
828 break;
|
|
|
829
|
|
|
830 case sw_value:
|
|
|
831
|
|
|
832 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
833
|
|
|
834 if (rc == NGX_ERROR) {
|
|
|
835 return NGX_ERROR;
|
|
|
836 }
|
|
|
837
|
|
|
838 if (rc == NGX_DONE) {
|
|
|
839 st->value = st->literal.value;
|
|
|
840 goto done;
|
|
|
841 }
|
|
|
842
|
|
|
843 break;
|
|
|
844 }
|
|
|
845
|
|
|
846 return NGX_AGAIN;
|
|
|
847
|
|
|
848 done:
|
|
|
849
|
|
|
850 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
851 "http3 parse header lpbi done dynamic[+%ui] \"%V\"",
|
|
|
852 st->index, &st->value);
|
|
|
853
|
|
|
854 h = ngx_http_v3_lookup_table(c, 1, st->base + st->index);
|
|
|
855 if (h == NULL) {
|
|
|
856 return NGX_ERROR;
|
|
|
857 }
|
|
|
858
|
|
|
859 st->name = h->name;
|
|
|
860 st->state = sw_start;
|
|
|
861 return NGX_DONE;
|
|
|
862 }
|
|
|
863
|
|
|
864
|
|
|
865 ngx_int_t
|
|
|
866 ngx_http_v3_parse_control(ngx_connection_t *c, void *data, u_char ch)
|
|
|
867 {
|
|
|
868 ngx_http_v3_parse_control_t *st = data;
|
|
|
869
|
|
|
870 ngx_int_t rc;
|
|
|
871 enum {
|
|
|
872 sw_start = 0,
|
|
|
873 sw_type,
|
|
|
874 sw_length,
|
|
|
875 sw_settings,
|
|
|
876 sw_max_push_id,
|
|
|
877 sw_skip
|
|
|
878 };
|
|
|
879
|
|
|
880 switch (st->state) {
|
|
|
881
|
|
|
882 case sw_start:
|
|
|
883
|
|
|
884 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control");
|
|
|
885
|
|
|
886 st->state = sw_type;
|
|
|
887
|
|
|
888 /* fall through */
|
|
|
889
|
|
|
890 case sw_type:
|
|
|
891
|
|
|
892 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
|
|
|
893 break;
|
|
|
894 }
|
|
|
895
|
|
|
896 st->type = st->vlint.value;
|
|
|
897
|
|
|
898 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
899 "http3 parse frame type:%ui", st->type);
|
|
|
900
|
|
|
901 st->state = sw_length;
|
|
|
902 break;
|
|
|
903
|
|
|
904 case sw_length:
|
|
|
905
|
|
|
906 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
|
|
|
907 break;
|
|
|
908 }
|
|
|
909
|
|
|
910 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
911 "http3 parse frame len:%uL", st->vlint.value);
|
|
|
912
|
|
|
913 st->length = st->vlint.value;
|
|
|
914 if (st->length == 0) {
|
|
|
915 st->state = sw_type;
|
|
|
916 break;
|
|
|
917 }
|
|
|
918
|
|
|
919 switch (st->type) {
|
|
|
920
|
|
|
921 case NGX_HTTP_V3_FRAME_SETTINGS:
|
|
|
922 st->state = sw_settings;
|
|
|
923 break;
|
|
|
924
|
|
|
925 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID:
|
|
|
926 st->state = sw_max_push_id;
|
|
|
927 break;
|
|
|
928
|
|
|
929 default:
|
|
|
930 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
931 "http3 parse skip unknown frame");
|
|
|
932 st->state = sw_skip;
|
|
|
933 }
|
|
|
934
|
|
|
935 break;
|
|
|
936
|
|
|
937 case sw_settings:
|
|
|
938
|
|
|
939 rc = ngx_http_v3_parse_settings(c, &st->settings, ch);
|
|
|
940
|
|
|
941 if (rc == NGX_ERROR) {
|
|
|
942 return NGX_ERROR;
|
|
|
943 }
|
|
|
944
|
|
|
945 if (--st->length > 0) {
|
|
|
946 break;
|
|
|
947 }
|
|
|
948
|
|
|
949 if (rc != NGX_DONE) {
|
|
|
950 return NGX_ERROR;
|
|
|
951 }
|
|
|
952
|
|
|
953 st->state = sw_type;
|
|
|
954 break;
|
|
|
955
|
|
|
956 case sw_max_push_id:
|
|
|
957
|
|
|
958 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
|
|
|
959 break;
|
|
|
960 }
|
|
|
961
|
|
|
962 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
963 "http3 parse MAX_PUSH_ID:%uL", st->vlint.value);
|
|
|
964
|
|
|
965 st->state = sw_type;
|
|
|
966 break;
|
|
|
967
|
|
|
968 case sw_skip:
|
|
|
969
|
|
|
970 if (--st->length == 0) {
|
|
|
971 st->state = sw_type;
|
|
|
972 }
|
|
|
973
|
|
|
974 break;
|
|
|
975 }
|
|
|
976
|
|
|
977 return NGX_AGAIN;
|
|
|
978 }
|
|
|
979
|
|
|
980
|
|
|
981 ngx_int_t
|
|
|
982 ngx_http_v3_parse_settings(ngx_connection_t *c,
|
|
|
983 ngx_http_v3_parse_settings_t *st, u_char ch)
|
|
|
984 {
|
|
|
985 enum {
|
|
|
986 sw_start = 0,
|
|
|
987 sw_id,
|
|
|
988 sw_value
|
|
|
989 };
|
|
|
990
|
|
|
991 switch (st->state) {
|
|
|
992
|
|
|
993 case sw_start:
|
|
|
994
|
|
|
995 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings");
|
|
|
996
|
|
|
997 st->state = sw_id;
|
|
|
998
|
|
|
999 /* fall through */
|
|
|
1000
|
|
|
1001 case sw_id:
|
|
|
1002
|
|
|
1003 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
|
|
|
1004 break;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 st->id = st->vlint.value;
|
|
|
1008 st->state = sw_value;
|
|
|
1009 break;
|
|
|
1010
|
|
|
1011 case sw_value:
|
|
|
1012
|
|
|
1013 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
|
|
|
1014 break;
|
|
|
1015 }
|
|
|
1016
|
|
|
1017 if (ngx_http_v3_set_param(c, st->id, st->vlint.value) != NGX_OK) {
|
|
|
1018 return NGX_ERROR;
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 goto done;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 return NGX_AGAIN;
|
|
|
1025
|
|
|
1026 done:
|
|
|
1027
|
|
|
1028 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done");
|
|
|
1029
|
|
|
1030 st->state = sw_start;
|
|
|
1031 return NGX_DONE;
|
|
|
1032 }
|
|
|
1033
|
|
|
1034
|
|
|
1035 ngx_int_t
|
|
|
1036 ngx_http_v3_parse_encoder(ngx_connection_t *c, void *data, u_char ch)
|
|
|
1037 {
|
|
|
1038 ngx_http_v3_parse_encoder_t *st = data;
|
|
|
1039
|
|
|
1040 ngx_int_t rc;
|
|
|
1041 enum {
|
|
|
1042 sw_start = 0,
|
|
|
1043 sw_inr,
|
|
|
1044 sw_iwnr,
|
|
|
1045 sw_capacity,
|
|
|
1046 sw_duplicate
|
|
|
1047 };
|
|
|
1048
|
|
|
1049 if (st->state == sw_start) {
|
|
|
1050
|
|
|
1051 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1052 "http3 parse encoder instruction");
|
|
|
1053
|
|
|
1054 if (ch & 0x80) {
|
|
|
1055 /* Insert With Name Reference */
|
|
|
1056
|
|
|
1057 st->state = sw_inr;
|
|
|
1058
|
|
|
1059 } else if (ch & 0x40) {
|
|
|
1060 /* Insert Without Name Reference */
|
|
|
1061
|
|
|
1062 st->state = sw_iwnr;
|
|
|
1063
|
|
|
1064 } else if (ch & 0x20) {
|
|
|
1065 /* Set Dynamic Table Capacity */
|
|
|
1066
|
|
|
1067 st->state = sw_capacity;
|
|
|
1068
|
|
|
1069 } else {
|
|
|
1070 /* Duplicate */
|
|
|
1071
|
|
|
1072 st->state = sw_duplicate;
|
|
|
1073 }
|
|
|
1074 }
|
|
|
1075
|
|
|
1076 switch (st->state) {
|
|
|
1077
|
|
|
1078 case sw_inr:
|
|
|
1079
|
|
|
1080 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch);
|
|
|
1081
|
|
|
1082 if (rc == NGX_ERROR) {
|
|
|
1083 return NGX_ERROR;
|
|
|
1084 }
|
|
|
1085
|
|
|
1086 if (rc != NGX_DONE) {
|
|
|
1087 break;
|
|
|
1088 }
|
|
|
1089
|
|
|
1090 goto done;
|
|
|
1091
|
|
|
1092 case sw_iwnr:
|
|
|
1093
|
|
|
1094 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch);
|
|
|
1095
|
|
|
1096 if (rc == NGX_ERROR) {
|
|
|
1097 return NGX_ERROR;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 if (rc != NGX_DONE) {
|
|
|
1101 break;
|
|
|
1102 }
|
|
|
1103
|
|
|
1104 goto done;
|
|
|
1105
|
|
|
1106 case sw_capacity:
|
|
|
1107
|
|
|
1108 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) {
|
|
|
1109 break;
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 if (ngx_http_v3_set_capacity(c, st->pint.value) != NGX_OK) {
|
|
|
1113 return NGX_ERROR;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116 goto done;
|
|
|
1117
|
|
|
1118 case sw_duplicate:
|
|
|
1119
|
|
|
1120 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) {
|
|
|
1121 break;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 if (ngx_http_v3_duplicate(c, st->pint.value) != NGX_OK) {
|
|
|
1125 return NGX_ERROR;
|
|
|
1126 }
|
|
|
1127
|
|
|
1128 goto done;
|
|
|
1129 }
|
|
|
1130
|
|
|
1131 return NGX_AGAIN;
|
|
|
1132
|
|
|
1133 done:
|
|
|
1134
|
|
|
1135 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1136 "http3 parse encoder instruction done");
|
|
|
1137
|
|
|
1138 st->state = sw_start;
|
|
|
1139 return NGX_DONE;
|
|
|
1140 }
|
|
|
1141
|
|
|
1142
|
|
|
1143 ngx_int_t
|
|
|
1144 ngx_http_v3_parse_header_inr(ngx_connection_t *c,
|
|
|
1145 ngx_http_v3_parse_header_t *st, u_char ch)
|
|
|
1146 {
|
|
|
1147 ngx_int_t rc;
|
|
|
1148 enum {
|
|
|
1149 sw_start = 0,
|
|
|
1150 sw_name_index,
|
|
|
1151 sw_value_len,
|
|
|
1152 sw_read_value_len,
|
|
|
1153 sw_value
|
|
|
1154 };
|
|
|
1155
|
|
|
1156 switch (st->state) {
|
|
|
1157
|
|
|
1158 case sw_start:
|
|
|
1159
|
|
|
1160 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr");
|
|
|
1161
|
|
|
1162 st->dynamic = (ch & 0x40) ? 0 : 1;
|
|
|
1163 st->state = sw_name_index;
|
|
|
1164
|
|
|
1165 /* fall through */
|
|
|
1166
|
|
|
1167 case sw_name_index:
|
|
|
1168
|
|
|
1169 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) {
|
|
|
1170 break;
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 st->index = st->pint.value;
|
|
|
1174 st->state = sw_value_len;
|
|
|
1175 break;
|
|
|
1176
|
|
|
1177 case sw_value_len:
|
|
|
1178
|
|
|
1179 st->literal.huffman = (ch & 0x80) ? 1 : 0;
|
|
|
1180 st->state = sw_read_value_len;
|
|
|
1181
|
|
|
1182 /* fall through */
|
|
|
1183
|
|
|
1184 case sw_read_value_len:
|
|
|
1185
|
|
|
1186 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) {
|
|
|
1187 break;
|
|
|
1188 }
|
|
|
1189
|
|
|
1190 st->literal.length = st->pint.value;
|
|
|
1191 if (st->literal.length == 0) {
|
|
|
1192 goto done;
|
|
|
1193 }
|
|
|
1194
|
|
|
1195 st->state = sw_value;
|
|
|
1196 break;
|
|
|
1197
|
|
|
1198 case sw_value:
|
|
|
1199
|
|
|
1200 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
1201
|
|
|
1202 if (rc == NGX_ERROR) {
|
|
|
1203 return NGX_ERROR;
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 if (rc == NGX_DONE) {
|
|
|
1207 st->value = st->literal.value;
|
|
|
1208 goto done;
|
|
|
1209 }
|
|
|
1210
|
|
|
1211 break;
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 return NGX_AGAIN;
|
|
|
1215
|
|
|
1216 done:
|
|
|
1217
|
|
|
1218 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1219 "http3 parse header inr done %s[%ui] \"%V\"",
|
|
|
1220 st->dynamic ? "dynamic" : "static",
|
|
|
1221 st->index, &st->value);
|
|
|
1222
|
|
|
1223 if (ngx_http_v3_ref_insert(c, st->dynamic, st->index, &st->value) != NGX_OK)
|
|
|
1224 {
|
|
|
1225 return NGX_ERROR;
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 st->state = sw_start;
|
|
|
1229 return NGX_DONE;
|
|
|
1230 }
|
|
|
1231
|
|
|
1232
|
|
|
1233 ngx_int_t
|
|
|
1234 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c,
|
|
|
1235 ngx_http_v3_parse_header_t *st, u_char ch)
|
|
|
1236 {
|
|
|
1237 ngx_int_t rc;
|
|
|
1238 enum {
|
|
|
1239 sw_start = 0,
|
|
|
1240 sw_name_len,
|
|
|
1241 sw_name,
|
|
|
1242 sw_value_len,
|
|
|
1243 sw_read_value_len,
|
|
|
1244 sw_value
|
|
|
1245 };
|
|
|
1246
|
|
|
1247 switch (st->state) {
|
|
|
1248
|
|
|
1249 case sw_start:
|
|
|
1250
|
|
|
1251 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1252 "http3 parse header iwnr");
|
|
|
1253
|
|
|
1254 st->literal.huffman = (ch & 0x20) ? 1 : 0;
|
|
|
1255 st->state = sw_name_len;
|
|
|
1256
|
|
|
1257 /* fall through */
|
|
|
1258
|
|
|
1259 case sw_name_len:
|
|
|
1260
|
|
|
1261 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) {
|
|
|
1262 break;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 st->literal.length = st->pint.value;
|
|
|
1266 if (st->literal.length == 0) {
|
|
|
1267 return NGX_ERROR;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 st->state = sw_name;
|
|
|
1271 break;
|
|
|
1272
|
|
|
1273 case sw_name:
|
|
|
1274
|
|
|
1275 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
1276
|
|
|
1277 if (rc == NGX_ERROR) {
|
|
|
1278 return NGX_ERROR;
|
|
|
1279 }
|
|
|
1280
|
|
|
1281 if (rc == NGX_DONE) {
|
|
|
1282 st->name = st->literal.value;
|
|
|
1283 st->state = sw_value_len;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286 break;
|
|
|
1287
|
|
|
1288 case sw_value_len:
|
|
|
1289
|
|
|
1290 st->literal.huffman = (ch & 0x80) ? 1 : 0;
|
|
|
1291 st->state = sw_read_value_len;
|
|
|
1292
|
|
|
1293 /* fall through */
|
|
|
1294
|
|
|
1295 case sw_read_value_len:
|
|
|
1296
|
|
|
1297 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) {
|
|
|
1298 break;
|
|
|
1299 }
|
|
|
1300
|
|
|
1301 st->literal.length = st->pint.value;
|
|
|
1302 if (st->literal.length == 0) {
|
|
|
1303 goto done;
|
|
|
1304 }
|
|
|
1305
|
|
|
1306 st->state = sw_value;
|
|
|
1307 break;
|
|
|
1308
|
|
|
1309 case sw_value:
|
|
|
1310
|
|
|
1311 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
|
|
|
1312
|
|
|
1313 if (rc == NGX_ERROR) {
|
|
|
1314 return NGX_ERROR;
|
|
|
1315 }
|
|
|
1316
|
|
|
1317 if (rc == NGX_DONE) {
|
|
|
1318 st->value = st->literal.value;
|
|
|
1319 goto done;
|
|
|
1320 }
|
|
|
1321
|
|
|
1322 break;
|
|
|
1323 }
|
|
|
1324
|
|
|
1325 return NGX_AGAIN;
|
|
|
1326
|
|
|
1327 done:
|
|
|
1328
|
|
|
1329 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1330 "http3 parse header iwnr done \"%V\":\"%V\"",
|
|
|
1331 &st->name, &st->value);
|
|
|
1332
|
|
|
1333 if (ngx_http_v3_insert(c, &st->name, &st->value) != NGX_OK) {
|
|
|
1334 return NGX_ERROR;
|
|
|
1335 }
|
|
|
1336
|
|
|
1337 st->state = sw_start;
|
|
|
1338 return NGX_DONE;
|
|
|
1339 }
|
|
|
1340
|
|
|
1341
|
|
|
1342 ngx_int_t
|
|
|
1343 ngx_http_v3_parse_decoder(ngx_connection_t *c, void *data, u_char ch)
|
|
|
1344 {
|
|
|
1345 ngx_http_v3_parse_decoder_t *st = data;
|
|
|
1346
|
|
|
1347 enum {
|
|
|
1348 sw_start = 0,
|
|
|
1349 sw_ack_header,
|
|
|
1350 sw_cancel_stream,
|
|
|
1351 sw_inc_insert_count
|
|
|
1352 };
|
|
|
1353
|
|
|
1354 if (st->state == sw_start) {
|
|
|
1355
|
|
|
1356 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1357 "http3 parse decoder instruction");
|
|
|
1358
|
|
|
1359 if (ch & 0x80) {
|
|
|
1360 /* Header Acknowledgement */
|
|
|
1361
|
|
|
1362 st->state = sw_ack_header;
|
|
|
1363
|
|
|
1364 } else if (ch & 0x40) {
|
|
|
1365 /* Stream Cancellation */
|
|
|
1366
|
|
|
1367 st->state = sw_cancel_stream;
|
|
|
1368
|
|
|
1369 } else {
|
|
|
1370 /* Insert Count Increment */
|
|
|
1371
|
|
|
1372 st->state = sw_inc_insert_count;
|
|
|
1373 }
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 switch (st->state) {
|
|
|
1377
|
|
|
1378 case sw_ack_header:
|
|
|
1379
|
|
|
1380 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) {
|
|
|
1381 break;
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 if (ngx_http_v3_ack_header(c, st->pint.value) != NGX_OK) {
|
|
|
1385 return NGX_ERROR;
|
|
|
1386 }
|
|
|
1387
|
|
|
1388 goto done;
|
|
|
1389
|
|
|
1390 case sw_cancel_stream:
|
|
|
1391
|
|
|
1392 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) {
|
|
|
1393 break;
|
|
|
1394 }
|
|
|
1395
|
|
|
1396 if (ngx_http_v3_cancel_stream(c, st->pint.value) != NGX_OK) {
|
|
|
1397 return NGX_ERROR;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 goto done;
|
|
|
1401
|
|
|
1402 case sw_inc_insert_count:
|
|
|
1403
|
|
|
1404 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) {
|
|
|
1405 break;
|
|
|
1406 }
|
|
|
1407
|
|
|
1408 if (ngx_http_v3_inc_insert_count(c, st->pint.value) != NGX_OK) {
|
|
|
1409 return NGX_ERROR;
|
|
|
1410 }
|
|
|
1411
|
|
|
1412 goto done;
|
|
|
1413 }
|
|
|
1414
|
|
|
1415 return NGX_AGAIN;
|
|
|
1416
|
|
|
1417 done:
|
|
|
1418
|
|
|
1419 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1420 "http3 parse decoder instruction done");
|
|
|
1421
|
|
|
1422 st->state = sw_start;
|
|
|
1423 return NGX_DONE;
|
|
|
1424 }
|
