Mercurial > hg > nginx-quic
annotate src/event/ngx_event_quic_transport.c @ 7707:db745339e54b quic
The ngx_quic_frame_len() function is not really needed.
author | Vladimir Homutov <vl@nginx.com> |
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date | Thu, 19 Mar 2020 14:59:55 +0300 |
parents | 1f002206a59b |
children | 83a78cca8bce |
rev | line source |
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7690
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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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_event.h> |
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10 |
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11 |
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12 #if (NGX_HAVE_NONALIGNED) |
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13 |
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14 #define ngx_quic_parse_uint16(p) ntohs(*(uint16_t *) (p)) |
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15 #define ngx_quic_parse_uint32(p) ntohl(*(uint32_t *) (p)) |
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16 |
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17 #define ngx_quic_write_uint16 ngx_quic_write_uint16_aligned |
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18 #define ngx_quic_write_uint32 ngx_quic_write_uint32_aligned |
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19 |
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20 #else |
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21 |
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22 #define ngx_quic_parse_uint16(p) ((p)[0] << 8 | (p)[1]) |
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23 #define ngx_quic_parse_uint32(p) \ |
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24 ((uint32_t) (p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3]) |
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25 |
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26 #define ngx_quic_write_uint16(p, s) \ |
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27 ((p)[0] = (u_char) ((s) >> 8), \ |
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28 (p)[1] = (u_char) (s), \ |
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29 (p) + sizeof(uint16_t)) |
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30 |
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31 #define ngx_quic_write_uint32(p, s) \ |
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32 ((p)[0] = (u_char) ((s) >> 24), \ |
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33 (p)[1] = (u_char) ((s) >> 16), \ |
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34 (p)[2] = (u_char) ((s) >> 8), \ |
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35 (p)[3] = (u_char) (s), \ |
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36 (p) + sizeof(uint32_t)) |
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37 |
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38 #endif |
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39 |
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40 |
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41 #define ngx_quic_write_uint16_aligned(p, s) \ |
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42 (*(uint16_t *) (p) = htons((uint16_t) (s)), (p) + sizeof(uint16_t)) |
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43 |
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44 #define ngx_quic_write_uint32_aligned(p, s) \ |
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45 (*(uint32_t *) (p) = htonl((uint32_t) (s)), (p) + sizeof(uint32_t)) |
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46 |
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47 #define ngx_quic_varint_len(value) \ |
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48 ((value) <= 63 ? 1 \ |
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49 : ((uint32_t) value) <= 16383 ? 2 \ |
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50 : ((uint64_t) value) <= 1073741823 ? 4 \ |
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51 : 8) |
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52 |
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53 |
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54 static u_char *ngx_quic_parse_int(u_char *pos, u_char *end, uint64_t *out); |
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55 static u_char *ngx_quic_parse_int_multi(u_char *pos, u_char *end, ...); |
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56 static void ngx_quic_build_int(u_char **pos, uint64_t value); |
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57 |
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58 static u_char *ngx_quic_read_uint8(u_char *pos, u_char *end, uint8_t *value); |
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59 static u_char *ngx_quic_read_uint32(u_char *pos, u_char *end, uint32_t *value); |
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60 static u_char *ngx_quic_read_bytes(u_char *pos, u_char *end, size_t len, |
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61 u_char **out); |
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62 static u_char *ngx_quic_copy_bytes(u_char *pos, u_char *end, size_t len, |
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63 u_char *dst); |
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64 |
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65 static size_t ngx_quic_create_ack(u_char *p, ngx_quic_ack_frame_t *ack); |
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66 static size_t ngx_quic_create_crypto(u_char *p, |
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67 ngx_quic_crypto_frame_t *crypto); |
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68 static size_t ngx_quic_create_stream(u_char *p, ngx_quic_stream_frame_t *sf); |
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69 static size_t ngx_quic_create_close(u_char *p, ngx_quic_close_frame_t *cl); |
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70 |
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71 |
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72 /* literal errors indexed by corresponding value */ |
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73 static char *ngx_quic_errors[] = { |
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74 "NO_ERROR", |
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75 "INTERNAL_ERROR", |
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76 "SERVER_BUSY", |
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77 "FLOW_CONTROL_ERROR", |
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78 "STREAM_LIMIT_ERROR", |
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79 "STREAM_STATE_ERROR", |
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80 "FINAL_SIZE_ERROR", |
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81 "FRAME_ENCODING_ERROR", |
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82 "TRANSPORT_PARAMETER_ERROR", |
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83 "CONNECTION_ID_LIMIT_ERROR", |
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84 "PROTOCOL_VIOLATION", |
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85 "INVALID_TOKEN", |
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86 "", |
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87 "CRYPTO_BUFFER_EXCEEDED", |
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88 "CRYPTO_ERROR", |
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89 }; |
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90 |
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91 |
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92 static ngx_inline u_char * |
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93 ngx_quic_parse_int(u_char *pos, u_char *end, uint64_t *out) |
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94 { |
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95 u_char *p; |
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96 uint64_t value; |
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97 ngx_uint_t len; |
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98 |
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99 if (pos >= end) { |
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100 printf("OOPS >=\n"); |
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101 return NULL; |
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102 } |
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103 |
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104 p = pos; |
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105 len = 1 << ((*p & 0xc0) >> 6); |
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106 |
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107 value = *p++ & 0x3f; |
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108 |
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109 if ((size_t)(end - p) < (len - 1)) { |
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110 printf("LEN TOO BIG: need %ld have %ld\n", len, end - p); |
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111 return NULL; |
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112 } |
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113 |
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114 while (--len) { |
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115 value = (value << 8) + *p++; |
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116 } |
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117 |
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118 *out = value; |
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119 |
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120 return p; |
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121 } |
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122 |
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123 |
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124 static ngx_inline u_char * |
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125 ngx_quic_parse_int_multi(u_char *pos, u_char *end, ...) |
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126 { |
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127 u_char *p; |
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128 va_list ap; |
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129 uint64_t *item; |
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130 |
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131 p = pos; |
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132 |
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133 va_start(ap, end); |
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134 |
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135 do { |
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136 item = va_arg(ap, uint64_t *); |
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137 if (item == NULL) { |
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138 break; |
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139 } |
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140 |
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141 p = ngx_quic_parse_int(p, end, item); |
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142 if (p == NULL) { |
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143 return NULL; |
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144 } |
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145 |
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146 } while (1); |
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147 |
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148 va_end(ap); |
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149 |
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150 return p; |
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151 } |
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152 |
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153 |
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154 static ngx_inline u_char * |
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155 ngx_quic_read_uint8(u_char *pos, u_char *end, uint8_t *value) |
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156 { |
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157 if ((size_t)(end - pos) < 1) { |
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158 return NULL; |
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159 } |
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160 |
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161 *value = *pos; |
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162 |
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163 return pos + 1; |
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164 } |
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165 |
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166 |
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167 static ngx_inline u_char * |
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168 ngx_quic_read_uint32(u_char *pos, u_char *end, uint32_t *value) |
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169 { |
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170 if ((size_t)(end - pos) < sizeof(uint32_t)) { |
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171 return NULL; |
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172 } |
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173 |
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174 *value = ngx_quic_parse_uint32(pos); |
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175 |
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176 return pos + sizeof(uint32_t); |
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177 } |
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178 |
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179 |
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180 static ngx_inline u_char * |
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181 ngx_quic_read_bytes(u_char *pos, u_char *end, size_t len, u_char **out) |
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182 { |
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183 if ((size_t)(end - pos) < len) { |
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184 return NULL; |
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185 } |
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186 |
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187 *out = pos; |
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188 |
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189 return pos + len; |
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190 } |
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191 |
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192 |
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193 static u_char * |
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194 ngx_quic_copy_bytes(u_char *pos, u_char *end, size_t len, u_char *dst) |
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195 { |
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196 if ((size_t)(end - pos) < len) { |
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197 return NULL; |
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198 } |
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199 |
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200 ngx_memcpy(dst, pos, len); |
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201 |
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202 return pos + len; |
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203 } |
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204 |
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205 |
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206 static void |
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207 ngx_quic_build_int(u_char **pos, uint64_t value) |
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208 { |
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209 u_char *p; |
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210 ngx_uint_t len;//, len2; |
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211 |
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212 p = *pos; |
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213 len = 0; |
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214 |
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215 while (value >> ((1 << len) * 8 - 2)) { |
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216 len++; |
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217 } |
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218 |
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219 *p = len << 6; |
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220 |
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221 // len2 = |
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222 len = (1 << len); |
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223 len--; |
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224 *p |= value >> (len * 8); |
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225 p++; |
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226 |
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227 while (len) { |
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228 *p++ = value >> ((len-- - 1) * 8); |
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229 } |
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230 |
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231 *pos = p; |
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232 // return len2; |
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233 } |
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234 |
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235 |
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|
236 u_char * |
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237 ngx_quic_error_text(uint64_t error_code) |
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238 { |
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239 return (u_char *) ngx_quic_errors[error_code]; |
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240 } |
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|
241 |
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|
242 |
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|
243 ngx_int_t |
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244 ngx_quic_parse_long_header(ngx_quic_header_t *pkt) |
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245 { |
7706
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246 u_char *p, *end; |
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247 uint8_t idlen; |
7690
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248 |
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249 p = pkt->data; |
7706
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|
250 end = pkt->data + pkt->len; |
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251 |
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|
252 ngx_quic_hexdump0(pkt->log, "long input", pkt->data, pkt->len); |
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|
253 |
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254 p = ngx_quic_read_uint8(p, end, &pkt->flags); |
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255 if (p == NULL) { |
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256 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
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257 "packet is too short to read flags"); |
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258 return NGX_ERROR; |
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parents:
diff
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|
259 } |
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parents:
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|
260 |
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|
261 if (!(pkt->flags & NGX_QUIC_PKT_LONG)) { |
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262 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "not a long packet"); |
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263 return NGX_ERROR; |
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parents:
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|
264 } |
7690
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parents:
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|
265 |
7706
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266 p = ngx_quic_read_uint32(p, end, &pkt->version); |
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267 if (p == NULL) { |
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268 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
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269 "packet is too short to read version"); |
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|
270 return NGX_ERROR; |
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parents:
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|
271 } |
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parents:
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272 |
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273 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
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parents:
diff
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|
274 "quic flags:%xi version:%xD", pkt->flags, pkt->version); |
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parents:
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|
275 |
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parents:
diff
changeset
|
276 if (pkt->version != quic_version) { |
7706
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277 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "unsupported quic version"); |
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278 return NGX_ERROR; |
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parents:
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|
279 } |
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Added boundaries checks into frame parser.
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|
280 |
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|
281 p = ngx_quic_read_uint8(p, end, &idlen); |
1f002206a59b
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|
282 if (p == NULL) { |
1f002206a59b
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parents:
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|
283 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
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parents:
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|
284 "packet is too short to read dcid len"); |
7690
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Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
285 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
286 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
287 |
7706
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|
288 pkt->dcid.len = idlen; |
1f002206a59b
Added boundaries checks into frame parser.
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|
289 |
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parents:
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diff
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|
290 p = ngx_quic_read_bytes(p, end, idlen, &pkt->dcid.data); |
1f002206a59b
Added boundaries checks into frame parser.
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parents:
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changeset
|
291 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
292 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
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parents:
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diff
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|
293 "packet is too short to read dcid"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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|
294 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
295 } |
7690
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Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
296 |
7706
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Added boundaries checks into frame parser.
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parents:
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|
297 p = ngx_quic_read_uint8(p, end, &idlen); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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|
298 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
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parents:
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|
299 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
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parents:
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diff
changeset
|
300 "packet is too short to read scid len"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
301 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
302 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
303 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
304 pkt->scid.len = idlen; |
1f002206a59b
Added boundaries checks into frame parser.
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|
305 |
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Added boundaries checks into frame parser.
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parents:
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diff
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|
306 p = ngx_quic_read_bytes(p, end, idlen, &pkt->scid.data); |
1f002206a59b
Added boundaries checks into frame parser.
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|
307 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
308 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
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changeset
|
309 "packet is too short to read scid"); |
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Added boundaries checks into frame parser.
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|
310 return NGX_ERROR; |
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Added boundaries checks into frame parser.
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parents:
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|
311 } |
7690
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parents:
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changeset
|
312 |
ae35ccba7aa6
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parents:
diff
changeset
|
313 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
314 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
315 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
319 size_t |
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Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 ngx_quic_create_long_header(ngx_quic_header_t *pkt, ngx_str_t *out, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
321 size_t pkt_len, u_char **pnp) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
322 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
323 u_char *p, *start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
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parents:
diff
changeset
|
324 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 p = start = out->data; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 *p++ = pkt->flags; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 p = ngx_quic_write_uint32(p, quic_version); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 *p++ = pkt->scid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 p = ngx_cpymem(p, pkt->scid.data, pkt->scid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
333 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
334 *p++ = pkt->dcid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
335 p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
337 if (pkt->level == ssl_encryption_initial) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 ngx_quic_build_int(&p, pkt->token.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
339 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
340 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
341 ngx_quic_build_int(&p, pkt_len + 1); // length (inc. pnl) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 *pnp = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
345 *p++ = (uint64_t) (*pkt->number); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
346 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
347 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
349 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
350 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
351 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
352 ngx_quic_parse_short_header(ngx_quic_header_t *pkt, ngx_str_t *dcid) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
353 { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
354 u_char *p, *end; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
355 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
356 p = pkt->data; |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
357 end = pkt->data + pkt->len; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
358 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 ngx_quic_hexdump0(pkt->log, "short input", pkt->data, pkt->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
361 p = ngx_quic_read_uint8(p, end, &pkt->flags); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
362 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
363 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
364 "packet is too short to read flags"); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
366 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
367 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
368 if (pkt->flags & NGX_QUIC_PKT_LONG) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
369 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "not a short packet"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
370 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
371 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
372 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
373 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
374 "quic flags:%xi", pkt->flags); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
375 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
376 if (ngx_memcmp(p, dcid->data, dcid->len) != 0) { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
377 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "unexpected quic dcid"); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
378 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
379 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
380 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 pkt->dcid.len = dcid->len; |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
382 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
383 p = ngx_quic_read_bytes(p, end, dcid->len, &pkt->dcid.data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
384 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
385 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
386 "packet is too short to read dcid"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
387 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
388 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
389 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
390 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
391 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
392 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
393 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
395 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
396 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
397 ngx_quic_parse_initial_header(ngx_quic_header_t *pkt) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
398 { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
399 u_char *p, *end; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
400 uint64_t plen; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
401 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
402 p = pkt->raw->pos; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
403 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
404 end = pkt->raw->last; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
405 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
406 pkt->log->action = "parsing quic initial header"; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
407 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
408 p = ngx_quic_parse_int(p, end, &pkt->token.len); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
409 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
410 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "failed to parse token length"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
411 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
412 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
413 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
414 p = ngx_quic_read_bytes(p, end, pkt->token.len, &pkt->token.data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
415 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
416 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
417 "packet too short to read token data"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
418 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
419 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
420 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
421 p = ngx_quic_parse_int(p, end, &plen); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
422 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
423 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "bad packet length"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
424 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
425 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
426 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
427 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
428 "quic packet length: %d", plen); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
429 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
430 if (plen > (uint64_t) ((pkt->data + pkt->len) - p)) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
431 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "truncated initial packet"); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
432 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
433 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
434 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
435 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
436 pkt->len = plen; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
437 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
438 ngx_quic_hexdump0(pkt->log, "DCID", pkt->dcid.data, pkt->dcid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
439 ngx_quic_hexdump0(pkt->log, "SCID", pkt->scid.data, pkt->scid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
440 ngx_quic_hexdump0(pkt->log, "token", pkt->token.data, pkt->token.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
441 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
442 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
443 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
444 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
445 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
446 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
447 ngx_quic_parse_handshake_header(ngx_quic_header_t *pkt) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
448 { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
449 u_char *p, *end; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
450 uint64_t plen; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
452 p = pkt->raw->pos; |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
453 end = pkt->raw->last; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
455 pkt->log->action = "parsing quic handshake header"; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
456 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
457 p = ngx_quic_parse_int(p, end, &plen); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
458 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
459 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "bad packet length"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
460 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
461 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
462 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
464 "quic packet length: %d", plen); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
465 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
466 if (plen > (uint64_t)((pkt->data + pkt->len) - p)) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
467 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, "truncated handshake packet"); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
468 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
471 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
472 pkt->len = plen; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 #define ngx_quic_stream_bit_off(val) (((val) & 0x04) ? 1 : 0) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 #define ngx_quic_stream_bit_len(val) (((val) & 0x02) ? 1 : 0) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 #define ngx_quic_stream_bit_fin(val) (((val) & 0x01) ? 1 : 0) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 ssize_t |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
483 ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
484 ngx_quic_frame_t *f) |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
485 { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
486 u_char *p; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 p = start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
490 /* TODO: add a check if frame is allowed in this type of packet */ |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
491 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
492 p = ngx_quic_parse_int(p, end, &f->type); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
493 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
494 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
495 "failed to obtain quic frame type"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
496 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
497 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
498 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
499 switch (f->type) { |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 case NGX_QUIC_FT_CRYPTO: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
502 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
503 p = ngx_quic_parse_int(p, end, &f->u.crypto.offset); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
504 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
505 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
506 "failed to parse crypto frame offset"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
507 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
508 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
509 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
510 p = ngx_quic_parse_int(p, end, &f->u.crypto.len); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
511 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
512 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
513 "failed to parse crypto frame len"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
514 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
515 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
516 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
517 p = ngx_quic_read_bytes(p, end, f->u.crypto.len, &f->u.crypto.data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
518 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
519 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
520 "failed to parse crypto frame data"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
521 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
522 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
523 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
524 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
525 "quic CRYPTO frame length: %uL off:%uL pp:%p", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
526 f->u.crypto.len, f->u.crypto.offset, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
527 f->u.crypto.data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
528 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
529 ngx_quic_hexdump0(pkt->log, "CRYPTO frame contents", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
530 f->u.crypto.data, f->u.crypto.len); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 case NGX_QUIC_FT_PADDING: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
534 while (p < end && *p == NGX_QUIC_FT_PADDING) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
535 p++; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 case NGX_QUIC_FT_ACK: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 case NGX_QUIC_FT_ACK_ECN: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
542 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
543 p = ngx_quic_parse_int_multi(p, end, &f->u.ack.largest, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
544 &f->u.ack.delay, &f->u.ack.range_count, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
545 &f->u.ack.first_range, NULL); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
546 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
547 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
548 "failed to parse ack frame"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
549 return NGX_ERROR; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
552 if (f->u.ack.range_count) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
553 p = ngx_quic_parse_int(p, end, &f->u.ack.ranges[0]); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
554 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
555 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
556 "failed to parse ack frame first range"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
557 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
558 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
559 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
560 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
561 if (f->type == NGX_QUIC_FT_ACK_ECN) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
562 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
563 "TODO: parse ECN ack frames"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
564 /* TODO: add parsing of such frames */ |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
566 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
567 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
568 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
569 "ACK: { largest=%ui delay=%ui first=%ui count=%ui}", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
570 f->u.ack.largest, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
571 f->u.ack.delay, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
572 f->u.ack.first_range, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
573 f->u.ack.range_count); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
574 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 case NGX_QUIC_FT_PING: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 case NGX_QUIC_FT_NEW_CONNECTION_ID: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
581 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
582 p = ngx_quic_parse_int_multi(p, end, &f->u.ncid.seqnum, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
583 &f->u.ncid.retire, NULL); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
584 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
585 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
586 "failed to parse new connection id frame"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
587 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
588 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
589 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
590 p = ngx_quic_read_uint8(p, end, &f->u.ncid.len); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
591 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
592 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
593 "failed to parse new connection id length"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
594 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
595 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
596 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
597 p = ngx_quic_copy_bytes(p, end, f->u.ncid.len, f->u.ncid.cid); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
598 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
599 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
600 "failed to parse new connection id cid"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
601 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
602 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
603 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
604 p = ngx_quic_copy_bytes(p, end, 16, f->u.ncid.srt); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
605 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
606 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
607 "failed to parse new connection id srt"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
608 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
609 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
610 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
611 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
612 "NCID: { seq=%ui retire=%ui len=%ui}", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
613 f->u.ncid.seqnum, f->u.ncid.retire, f->u.ncid.len); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
614 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
615 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
616 case NGX_QUIC_FT_CONNECTION_CLOSE: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
617 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
618 p = ngx_quic_parse_int_multi(p, end, &f->u.close.error_code, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
619 &f->u.close.frame_type, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
620 &f->u.close.reason.len, NULL); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
621 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
622 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
623 "failed to parse close connection frame"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
624 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
625 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
626 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
627 p = ngx_quic_read_bytes(p, end, f->u.close.reason.len, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
628 &f->u.close.reason.data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
629 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
630 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
631 "failed to parse close reason"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
632 return NGX_ERROR; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
633 } |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
634 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
635 if (f->u.close.error_code > NGX_QUIC_ERR_LAST) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
636 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
637 "unkown error code: %ui, truncated", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
638 f->u.close.error_code); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
639 f->u.close.error_code = NGX_QUIC_ERR_LAST; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
640 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
641 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
642 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
643 "CONN.CLOSE: { %s (0x%xi) type=0x%xi reason='%V'}", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
644 ngx_quic_error_text(f->u.close.error_code), |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
645 f->u.close.error_code, f->u.close.frame_type, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
646 &f->u.close.reason); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
647 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
648 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
649 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
650 case NGX_QUIC_FT_STREAM0: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
651 case NGX_QUIC_FT_STREAM1: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
652 case NGX_QUIC_FT_STREAM2: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
653 case NGX_QUIC_FT_STREAM3: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
654 case NGX_QUIC_FT_STREAM4: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
655 case NGX_QUIC_FT_STREAM5: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
656 case NGX_QUIC_FT_STREAM6: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
657 case NGX_QUIC_FT_STREAM7: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
658 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
659 f->u.stream.type = f->type; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
660 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
661 f->u.stream.off = ngx_quic_stream_bit_off(f->type); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
662 f->u.stream.len = ngx_quic_stream_bit_len(f->type); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
663 f->u.stream.fin = ngx_quic_stream_bit_fin(f->type); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
664 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
665 p = ngx_quic_parse_int(p, end, &f->u.stream.stream_id); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
666 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
667 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
668 "failed to parse stream frame id"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
669 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
670 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
671 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
672 if (f->type & 0x04) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
673 p = ngx_quic_parse_int(p, end, &f->u.stream.offset); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
674 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
675 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
676 "failed to parse stream frame offset"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
677 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
678 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
679 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
680 } else { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
681 f->u.stream.offset = 0; |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
682 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
683 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
684 if (f->type & 0x02) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
685 p = ngx_quic_parse_int(p, end, &f->u.stream.length); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
686 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
687 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
688 "failed to parse stream frame length"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
689 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
690 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
691 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
692 } else { |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
693 f->u.stream.length = end - p; /* up to packet end */ |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
694 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
695 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
696 p = ngx_quic_read_bytes(p, end, f->u.stream.length, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
697 &f->u.stream.data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
698 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
699 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
700 "failed to parse stream frame data"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
701 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
702 } |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
703 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
704 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
705 "STREAM frame { 0x%xi id 0x%xi offset 0x%xi " |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
706 "len 0x%xi bits:off=%d len=%d fin=%d }", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
707 f->type, f->u.stream.stream_id, f->u.stream.offset, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
708 f->u.stream.length, f->u.stream.off, f->u.stream.len, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
709 f->u.stream.fin); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
710 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
711 ngx_quic_hexdump0(pkt->log, "STREAM frame contents", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
712 f->u.stream.data, f->u.stream.length); |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
713 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
714 |
7703
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
715 case NGX_QUIC_FT_MAX_DATA: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
716 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
717 p = ngx_quic_parse_int(p, end, &f->u.max_data.max_data); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
718 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
719 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
720 "failed to parse max data frame"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
721 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
722 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
723 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
724 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
725 "MAX_DATA frame { Maximum Data %ui }", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
726 f->u.max_data.max_data); |
7703
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
727 break; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
728 |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
729 case NGX_QUIC_FT_RESET_STREAM: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
730 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
731 p = ngx_quic_parse_int_multi(p, end, &f->u.reset_stream.id, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
732 &f->u.reset_stream.error_code, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
733 &f->u.reset_stream.final_size, NULL); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
734 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
735 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
736 "failed to parse reset stream frame"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
737 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
738 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
739 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
740 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
741 "RESET STREAM frame" |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
742 " { id 0x%xi error_code 0x%xi final_size 0x%xi }", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
743 f->u.reset_stream.id, f->u.reset_stream.error_code, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
744 f->u.reset_stream.final_size); |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
745 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
746 |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
747 case NGX_QUIC_FT_STOP_SENDING: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
748 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
749 p = ngx_quic_parse_int_multi(p, end, &f->u.stop_sending.id, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
750 &f->u.stop_sending.error_code, NULL); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
751 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
752 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
753 "failed to parse stop sending frame"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
754 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
755 } |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
756 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
757 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
758 "STOP SENDING frame { id 0x%xi error_code 0x%xi}", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
759 f->u.stop_sending.id, f->u.stop_sending.error_code); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
760 |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
761 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7690
diff
changeset
|
762 |
7702
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
763 case NGX_QUIC_FT_STREAMS_BLOCKED: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
764 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
765 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
766 p = ngx_quic_parse_int(p, end, &f->u.streams_blocked.limit); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
767 if (p == NULL) { |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
768 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
769 "failed to parse streams blocked frame limit"); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
770 return NGX_ERROR; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
771 } |
7702
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
772 |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
773 f->u.streams_blocked.bidi = |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
774 (f->type == NGX_QUIC_FT_STREAMS_BLOCKED) ? 1 : 0; |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
775 |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
776 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
777 "STREAMS BLOCKED frame { limit %i bidi: %d }", |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
778 f->u.streams_blocked.limit, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
779 f->u.streams_blocked.bidi); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
780 |
7702
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
781 break; |
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
782 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
783 default: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
784 ngx_log_error(NGX_LOG_ERR, pkt->log, 0, |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
785 "unsupported frame type 0x%xd in packet", f->type); |
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7703
diff
changeset
|
786 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
787 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
788 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
789 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
790 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
791 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
792 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
793 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
794 ssize_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
795 ngx_quic_create_frame(u_char *p, u_char *end, ngx_quic_frame_t *f) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
796 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
797 // TODO: handle end arg |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
798 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
799 switch (f->type) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
800 case NGX_QUIC_FT_ACK: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
801 return ngx_quic_create_ack(p, &f->u.ack); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
802 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
803 case NGX_QUIC_FT_CRYPTO: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
804 return ngx_quic_create_crypto(p, &f->u.crypto); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
805 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
806 case NGX_QUIC_FT_STREAM0: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
807 case NGX_QUIC_FT_STREAM1: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
808 case NGX_QUIC_FT_STREAM2: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
809 case NGX_QUIC_FT_STREAM3: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
810 case NGX_QUIC_FT_STREAM4: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
811 case NGX_QUIC_FT_STREAM5: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
812 case NGX_QUIC_FT_STREAM6: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
813 case NGX_QUIC_FT_STREAM7: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
814 return ngx_quic_create_stream(p, &f->u.stream); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
815 |
7701
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
816 case NGX_QUIC_FT_CONNECTION_CLOSE: |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
817 return ngx_quic_create_close(p, &f->u.close); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
818 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
819 default: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
820 /* BUG: unsupported frame type generated */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
821 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
822 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
823 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
824 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
825 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
826 static size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
827 ngx_quic_create_ack(u_char *p, ngx_quic_ack_frame_t *ack) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
828 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
829 size_t len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
830 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
831 /* minimal ACK packet */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
832 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
833 if (p == NULL) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
834 len = ngx_quic_varint_len(NGX_QUIC_FT_ACK); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
835 len += ngx_quic_varint_len(ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
836 len += ngx_quic_varint_len(0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
837 len += ngx_quic_varint_len(0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
838 len += ngx_quic_varint_len(ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
839 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
840 return len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
841 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
842 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
843 ngx_quic_build_int(&p, NGX_QUIC_FT_ACK); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
844 ngx_quic_build_int(&p, ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
845 ngx_quic_build_int(&p, 0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
846 ngx_quic_build_int(&p, 0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
847 ngx_quic_build_int(&p, ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
848 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
849 return 5; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
850 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
851 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
852 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
853 static size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
854 ngx_quic_create_crypto(u_char *p, ngx_quic_crypto_frame_t *crypto) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
855 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
856 size_t len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
857 u_char *start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
858 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
859 if (p == NULL) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
860 len = ngx_quic_varint_len(NGX_QUIC_FT_CRYPTO); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
861 len += ngx_quic_varint_len(crypto->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
862 len += ngx_quic_varint_len(crypto->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
863 len += crypto->len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
864 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
865 return len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
866 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
867 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
868 start = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
869 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
870 ngx_quic_build_int(&p, NGX_QUIC_FT_CRYPTO); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
871 ngx_quic_build_int(&p, crypto->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
872 ngx_quic_build_int(&p, crypto->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
873 p = ngx_cpymem(p, crypto->data, crypto->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
874 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
875 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
876 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
877 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
878 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
879 static size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
880 ngx_quic_create_stream(u_char *p, ngx_quic_stream_frame_t *sf) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
881 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
882 size_t len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
883 u_char *start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
884 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
885 if (!sf->len) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
886 #if 0 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
887 ngx_log_error(NGX_LOG_INFO, log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
888 "attempt to generate a stream frame without length"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
889 #endif |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
890 // XXX: handle error in caller |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
891 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
892 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
893 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
894 if (p == NULL) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
895 len = ngx_quic_varint_len(sf->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
896 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
897 if (sf->off) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
898 len += ngx_quic_varint_len(sf->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
899 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
900 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
901 len += ngx_quic_varint_len(sf->stream_id); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
902 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
903 /* length is always present in generated frames */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
904 len += ngx_quic_varint_len(sf->length); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
905 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
906 len += sf->length; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
907 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
908 return len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
909 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
910 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
911 start = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
912 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
913 ngx_quic_build_int(&p, sf->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
914 ngx_quic_build_int(&p, sf->stream_id); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
915 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
916 if (sf->off) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
917 ngx_quic_build_int(&p, sf->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
918 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
919 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
920 /* length is always present in generated frames */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
921 ngx_quic_build_int(&p, sf->length); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
922 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
923 p = ngx_cpymem(p, sf->data, sf->length); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
924 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
925 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
926 } |
7701
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
927 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
928 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
929 static size_t |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
930 ngx_quic_create_close(u_char *p, ngx_quic_close_frame_t *cl) |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
931 { |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
932 size_t len; |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
933 u_char *start; |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
934 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
935 if (p == NULL) { |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
936 len = ngx_quic_varint_len(NGX_QUIC_FT_CONNECTION_CLOSE); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
937 len += ngx_quic_varint_len(cl->error_code); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
938 len += ngx_quic_varint_len(cl->frame_type); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
939 len += ngx_quic_varint_len(cl->reason.len); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
940 len += cl->reason.len; |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
941 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
942 return len; |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
943 } |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
944 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
945 start = p; |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
946 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
947 ngx_quic_build_int(&p, NGX_QUIC_FT_CONNECTION_CLOSE); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
948 ngx_quic_build_int(&p, cl->error_code); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
949 ngx_quic_build_int(&p, cl->frame_type); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
950 ngx_quic_build_int(&p, cl->reason.len); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
951 p = ngx_cpymem(p, cl->reason.data, cl->reason.len); |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
952 |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
953 return p - start; |
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7697
diff
changeset
|
954 } |