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annotate src/event/quic/ngx_event_quic_tokens.c @ 8801:2029a30863e2 quic

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QUIC: using compile time block/iv length for tokens. Reference values can be found in RFC 3602, 2.1, 2.4.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 16 Jun 2021 18:03:33 +0300
parents 4117aa7fa38e
children 75daac63f798
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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 #include <ngx_sha1.h>
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11 #include <ngx_event_quic_connection.h>
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13
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14 #define NGX_QUIC_MAX_TOKEN_SIZE 64
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15 /* SHA-1(addr)=20 + sizeof(time_t) + retry(1) + odcid.len(1) + odcid */
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16
8801
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17 /* RFC 3602, 2.1 and 2.4 for AES-CBC block size and IV length */
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18 #define NGX_QUIC_AES_256_CBC_IV_LEN 16
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19 #define NGX_QUIC_AES_256_CBC_BLOCK_SIZE 16
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22 static void ngx_quic_address_hash(struct sockaddr *sockaddr, socklen_t socklen,
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23 ngx_uint_t no_port, u_char buf[20]);
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25
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26 ngx_int_t
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27 ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid, u_char *secret,
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28 u_char *token)
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29 {
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30 ngx_str_t tmp;
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31
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32 tmp.data = secret;
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33 tmp.len = NGX_QUIC_SR_KEY_LEN;
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34
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35 if (ngx_quic_derive_key(c->log, "sr_token_key", &tmp, cid, token,
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36 NGX_QUIC_SR_TOKEN_LEN)
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37 != NGX_OK)
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38 {
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39 return NGX_ERROR;
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40 }
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41
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42 #if (NGX_DEBUG)
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43 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
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44 "quic stateless reset token %*xs",
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45 (size_t) NGX_QUIC_SR_TOKEN_LEN, token);
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46 #endif
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47
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48 return NGX_OK;
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49 }
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50
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51
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52 ngx_int_t
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53 ngx_quic_new_token(ngx_connection_t *c, struct sockaddr *sockaddr,
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54 socklen_t socklen, u_char *key, ngx_str_t *token, ngx_str_t *odcid,
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55 time_t exp, ngx_uint_t is_retry)
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56 {
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57 int len, iv_len;
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58 u_char *p, *iv;
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59 EVP_CIPHER_CTX *ctx;
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60 const EVP_CIPHER *cipher;
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61
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62 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
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63
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64 ngx_quic_address_hash(sockaddr, socklen, !is_retry, in);
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65
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66 p = in + 20;
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67
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68 p = ngx_cpymem(p, &exp, sizeof(time_t));
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69
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70 *p++ = is_retry ? 1 : 0;
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71
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72 if (odcid) {
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73 *p++ = odcid->len;
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74 p = ngx_cpymem(p, odcid->data, odcid->len);
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75
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76 } else {
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77 *p++ = 0;
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78 }
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79
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80 len = p - in;
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81
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82 cipher = EVP_aes_256_cbc();
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83 iv_len = NGX_QUIC_AES_256_CBC_IV_LEN;
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84
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85 token->len = iv_len + len + NGX_QUIC_AES_256_CBC_BLOCK_SIZE;
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86 token->data = ngx_pnalloc(c->pool, token->len);
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87 if (token->data == NULL) {
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88 return NGX_ERROR;
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89 }
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90
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91 ctx = EVP_CIPHER_CTX_new();
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92 if (ctx == NULL) {
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93 return NGX_ERROR;
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94 }
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95
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96 iv = token->data;
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97
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98 if (RAND_bytes(iv, iv_len) <= 0
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99 || !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
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100 {
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101 EVP_CIPHER_CTX_free(ctx);
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102 return NGX_ERROR;
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103 }
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104
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105 token->len = iv_len;
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106
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107 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
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108 EVP_CIPHER_CTX_free(ctx);
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109 return NGX_ERROR;
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110 }
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111
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112 token->len += len;
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113
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114 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
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115 EVP_CIPHER_CTX_free(ctx);
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116 return NGX_ERROR;
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117 }
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118
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119 token->len += len;
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120
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121 EVP_CIPHER_CTX_free(ctx);
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122
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123 #ifdef NGX_QUIC_DEBUG_PACKETS
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124 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
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125 "quic new token len:%uz %xV", token->len, token);
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126 #endif
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127
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128 return NGX_OK;
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129 }
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130
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131
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132 static void
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133 ngx_quic_address_hash(struct sockaddr *sockaddr, socklen_t socklen,
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134 ngx_uint_t no_port, u_char buf[20])
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135 {
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136 size_t len;
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137 u_char *data;
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138 ngx_sha1_t sha1;
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139 struct sockaddr_in *sin;
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140 #if (NGX_HAVE_INET6)
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141 struct sockaddr_in6 *sin6;
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142 #endif
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143
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
144 len = (size_t) socklen;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
145 data = (u_char *) sockaddr;
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
146
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
147 if (no_port) {
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
148 switch (sockaddr->sa_family) {
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
149
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
150 #if (NGX_HAVE_INET6)
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
151 case AF_INET6:
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
152 sin6 = (struct sockaddr_in6 *) sockaddr;
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
153
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
154 len = sizeof(struct in6_addr);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
155 data = sin6->sin6_addr.s6_addr;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
156
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
157 break;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
158 #endif
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
159
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
160 case AF_INET:
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
161 sin = (struct sockaddr_in *) sockaddr;
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
162
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
163 len = sizeof(in_addr_t);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
164 data = (u_char *) &sin->sin_addr;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
165
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
166 break;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
167 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
168 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
169
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
170 ngx_sha1_init(&sha1);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
171 ngx_sha1_update(&sha1, data, len);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
172 ngx_sha1_final(buf, &sha1);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
173 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
174
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
175
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
176 ngx_int_t
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
177 ngx_quic_validate_token(ngx_connection_t *c, u_char *key,
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
178 ngx_quic_header_t *pkt)
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
179 {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
180 int len, tlen, iv_len;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
181 u_char *iv, *p;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
182 time_t now, exp;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
183 size_t total;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
184 ngx_str_t odcid;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
185 EVP_CIPHER_CTX *ctx;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
186 const EVP_CIPHER *cipher;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
187
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
188 u_char addr_hash[20];
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
189 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
190
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
191 /* Retry token or NEW_TOKEN in a previous connection */
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
192
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
193 cipher = EVP_aes_256_cbc();
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
194 iv = pkt->token.data;
8801
2029a30863e2 QUIC: using compile time block/iv length for tokens.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8763
diff changeset
195 iv_len = NGX_QUIC_AES_256_CBC_IV_LEN;
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
196
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
197 /* sanity checks */
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
198
8801
2029a30863e2 QUIC: using compile time block/iv length for tokens.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8763
diff changeset
199 if (pkt->token.len < (size_t) iv_len + NGX_QUIC_AES_256_CBC_BLOCK_SIZE) {
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
200 goto garbage;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
201 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
202
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
203 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
204 goto garbage;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
205 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
206
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
207 ctx = EVP_CIPHER_CTX_new();
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
208 if (ctx == NULL) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
209 return NGX_ERROR;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
210 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
211
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
212 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
213 EVP_CIPHER_CTX_free(ctx);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
214 return NGX_ERROR;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
215 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
216
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
217 p = pkt->token.data + iv_len;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
218 len = pkt->token.len - iv_len;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
219
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
220 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
221 EVP_CIPHER_CTX_free(ctx);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
222 goto garbage;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
223 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
224 total = len;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
225
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
226 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
227 EVP_CIPHER_CTX_free(ctx);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
228 goto garbage;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
229 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
230 total += tlen;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
231
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
232 EVP_CIPHER_CTX_free(ctx);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
233
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
234 if (total < (20 + sizeof(time_t) + 2)) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
235 goto garbage;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
236 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
237
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
238 p = tdec + 20;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
239
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
240 ngx_memcpy(&exp, p, sizeof(time_t));
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
241 p += sizeof(time_t);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
242
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
243 pkt->retried = (*p++ == 1);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
244
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
245 ngx_quic_address_hash(c->sockaddr, c->socklen, !pkt->retried, addr_hash);
8752
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
246
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
247 if (ngx_memcmp(tdec, addr_hash, 20) != 0) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
248 goto bad_token;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
249 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
250
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
251 odcid.len = *p++;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
252 if (odcid.len) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
253 if (odcid.len > NGX_QUIC_MAX_CID_LEN) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
254 goto bad_token;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
255 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
256
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
257 if ((size_t)(tdec + total - p) < odcid.len) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
258 goto bad_token;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
259 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
260
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
261 odcid.data = p;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
262 p += odcid.len;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
263 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
264
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
265 now = ngx_time();
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
266
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
267 if (now > exp) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
268 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
269 return NGX_DECLINED;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
270 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
271
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
272 if (odcid.len) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
273 pkt->odcid.len = odcid.len;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
274 pkt->odcid.data = ngx_pstrdup(c->pool, &odcid);
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
275 if (pkt->odcid.data == NULL) {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
276 return NGX_ERROR;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
277 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
278
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
279 } else {
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
280 pkt->odcid = pkt->dcid;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
281 }
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
282
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
283 pkt->validated = 1;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
284
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
285 return NGX_OK;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
286
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
287 garbage:
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
288
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
289 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic garbage token");
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
290
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
291 return NGX_ABORT;
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
292
e19723c40d28 QUIC: separate files for tokens related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
293 bad_token:
e19723c40d28 QUIC: separate files for tokens related processing.
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parents:
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294
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parents:
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295 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
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296
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297 return NGX_DECLINED;
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parents:
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298 }