Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_request.c @ 8405:d2759e4cc437 quic
HTTP/3: split header parser in two functions.
The first one parses pseudo-headers and is analagous to the request line
parser in HTTP/1. The second one parses regular headers and is analogous to
the header parser in HTTP/1.
Additionally, error handling of client passing malformed uri is now fixed.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Tue, 19 May 2020 15:29:10 +0300 |
parents | df18ae7161b8 |
children | 66feab03d9b7 |
rev | line source |
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8215 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 static ngx_int_t ngx_http_v3_process_pseudo_header(ngx_http_request_t *r, | |
14 ngx_str_t *name, ngx_str_t *value); | |
15 | |
16 | |
17 struct { | |
18 ngx_str_t name; | |
19 ngx_uint_t method; | |
20 } ngx_http_v3_methods[] = { | |
21 | |
22 { ngx_string("GET"), NGX_HTTP_GET }, | |
23 { ngx_string("POST"), NGX_HTTP_POST }, | |
24 { ngx_string("HEAD"), NGX_HTTP_HEAD }, | |
25 { ngx_string("OPTIONS"), NGX_HTTP_OPTIONS }, | |
26 { ngx_string("PROPFIND"), NGX_HTTP_PROPFIND }, | |
27 { ngx_string("PUT"), NGX_HTTP_PUT }, | |
28 { ngx_string("MKCOL"), NGX_HTTP_MKCOL }, | |
29 { ngx_string("DELETE"), NGX_HTTP_DELETE }, | |
30 { ngx_string("COPY"), NGX_HTTP_COPY }, | |
31 { ngx_string("MOVE"), NGX_HTTP_MOVE }, | |
32 { ngx_string("PROPPATCH"), NGX_HTTP_PROPPATCH }, | |
33 { ngx_string("LOCK"), NGX_HTTP_LOCK }, | |
34 { ngx_string("UNLOCK"), NGX_HTTP_UNLOCK }, | |
35 { ngx_string("PATCH"), NGX_HTTP_PATCH }, | |
36 { ngx_string("TRACE"), NGX_HTTP_TRACE } | |
37 }; | |
38 | |
39 | |
40 ngx_int_t | |
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41 ngx_http_v3_parse_request(ngx_http_request_t *r, ngx_buf_t *b) |
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42 { |
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43 size_t len; |
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44 u_char *p; |
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45 ngx_int_t rc, n; |
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46 ngx_str_t *name, *value; |
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47 ngx_connection_t *c; |
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48 ngx_http_v3_parse_headers_t *st; |
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49 |
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50 c = r->connection; |
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51 st = r->h3_parse; |
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52 |
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53 if (st == NULL) { |
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54 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header"); |
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55 |
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56 st = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_parse_headers_t)); |
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57 if (st == NULL) { |
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58 goto failed; |
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59 } |
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60 |
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61 r->h3_parse = st; |
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62 } |
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63 |
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64 while (b->pos < b->last) { |
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65 rc = ngx_http_v3_parse_headers(c, st, *b->pos++); |
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66 |
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67 if (rc == NGX_ERROR) { |
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68 goto failed; |
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69 } |
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70 |
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71 if (rc == NGX_AGAIN) { |
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72 continue; |
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73 } |
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74 |
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75 name = &st->header_rep.header.name; |
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76 value = &st->header_rep.header.value; |
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77 |
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78 n = ngx_http_v3_process_pseudo_header(r, name, value); |
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79 |
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80 if (n == NGX_ERROR) { |
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81 goto failed; |
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82 } |
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83 |
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84 if (n == NGX_OK && rc == NGX_OK) { |
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85 continue; |
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86 } |
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87 |
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88 len = (r->method_end - r->method_start) + 1 |
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89 + (r->uri_end - r->uri_start) + 1 |
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90 + sizeof("HTTP/3") - 1; |
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91 |
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92 p = ngx_pnalloc(c->pool, len); |
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93 if (p == NULL) { |
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94 goto failed; |
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95 } |
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96 |
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97 r->request_start = p; |
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98 |
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99 p = ngx_cpymem(p, r->method_start, r->method_end - r->method_start); |
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100 *p++ = ' '; |
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101 p = ngx_cpymem(p, r->uri_start, r->uri_end - r->uri_start); |
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102 *p++ = ' '; |
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103 p = ngx_cpymem(p, "HTTP/3", sizeof("HTTP/3") - 1); |
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104 |
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105 r->request_end = p; |
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106 |
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107 return NGX_OK; |
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108 } |
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109 |
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110 return NGX_AGAIN; |
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111 |
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112 failed: |
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113 |
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114 return NGX_HTTP_PARSE_INVALID_REQUEST; |
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115 } |
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116 |
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117 |
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118 ngx_int_t |
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119 ngx_http_v3_parse_header(ngx_http_request_t *r, ngx_buf_t *b) |
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120 { |
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121 ngx_int_t rc; |
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122 ngx_str_t *name, *value; |
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123 ngx_connection_t *c; |
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124 ngx_http_v3_parse_headers_t *st; |
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125 |
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126 c = r->connection; |
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127 st = r->h3_parse; |
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128 |
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129 if (st->state == 0) { |
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130 if (r->header_name_start == NULL) { |
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131 name = &st->header_rep.header.name; |
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132 |
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133 if (name->len && name->data[0] != ':') { |
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134 goto done; |
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135 } |
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136 } |
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137 |
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138 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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139 "http3 parse header done"); |
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140 |
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141 return NGX_HTTP_PARSE_HEADER_DONE; |
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142 } |
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143 |
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144 while (b->pos < b->last) { |
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145 rc = ngx_http_v3_parse_headers(c, st, *b->pos++); |
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146 |
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147 if (rc == NGX_ERROR) { |
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148 return NGX_HTTP_PARSE_INVALID_HEADER; |
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149 } |
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150 |
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151 if (rc != NGX_AGAIN) { |
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HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
152 goto done; |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
153 } |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
154 } |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
155 |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
156 return NGX_AGAIN; |
8226
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
157 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
158 done: |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
159 |
8405
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
160 name = &st->header_rep.header.name; |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
161 value = &st->header_rep.header.value; |
8226
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
162 |
8405
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
163 r->header_name_start = name->data; |
d2759e4cc437
HTTP/3: split header parser in two functions.
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parents:
8394
diff
changeset
|
164 r->header_name_end = name->data + name->len; |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
165 r->header_start = value->data; |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
166 r->header_end = value->data + value->len; |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
167 r->header_hash = ngx_hash_key(name->data, name->len); |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
168 |
d2759e4cc437
HTTP/3: split header parser in two functions.
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parents:
8394
diff
changeset
|
169 /* XXX r->lowcase_index = i; */ |
d2759e4cc437
HTTP/3: split header parser in two functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8394
diff
changeset
|
170 |
d2759e4cc437
HTTP/3: split header parser in two functions.
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parents:
8394
diff
changeset
|
171 return NGX_OK; |
8226
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Refactored HTTP/3 parser.
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parents:
8219
diff
changeset
|
172 } |
268f4389130d
Refactored HTTP/3 parser.
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parents:
8219
diff
changeset
|
173 |
8215 | 174 |
175 static ngx_int_t | |
176 ngx_http_v3_process_pseudo_header(ngx_http_request_t *r, ngx_str_t *name, | |
177 ngx_str_t *value) | |
178 { | |
179 ngx_uint_t i; | |
180 ngx_connection_t *c; | |
181 | |
8226
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Refactored HTTP/3 parser.
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parents:
8219
diff
changeset
|
182 if (name->len == 0 || name->data[0] != ':') { |
8233
1e45c02f6376
HTTP/3 $request_line variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8230
diff
changeset
|
183 return NGX_DONE; |
8226
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Refactored HTTP/3 parser.
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parents:
8219
diff
changeset
|
184 } |
268f4389130d
Refactored HTTP/3 parser.
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parents:
8219
diff
changeset
|
185 |
8215 | 186 c = r->connection; |
187 | |
188 if (name->len == 7 && ngx_strncmp(name->data, ":method", 7) == 0) { | |
189 r->method_start = value->data; | |
190 r->method_end = value->data + value->len; | |
191 | |
192 for (i = 0; i < sizeof(ngx_http_v3_methods) | |
193 / sizeof(ngx_http_v3_methods[0]); i++) | |
194 { | |
195 if (value->len == ngx_http_v3_methods[i].name.len | |
196 && ngx_strncmp(value->data, ngx_http_v3_methods[i].name.data, | |
197 value->len) == 0) | |
198 { | |
199 r->method = ngx_http_v3_methods[i].method; | |
200 break; | |
201 } | |
202 } | |
203 | |
204 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
205 "http3 method \"%V\" %ui", value, r->method); | |
206 return NGX_OK; | |
207 } | |
208 | |
209 if (name->len == 5 && ngx_strncmp(name->data, ":path", 5) == 0) { | |
210 r->uri_start = value->data; | |
211 r->uri_end = value->data + value->len; | |
212 | |
213 if (ngx_http_parse_uri(r) != NGX_OK) { | |
214 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
215 "client sent invalid :path header: \"%V\"", value); | |
216 return NGX_ERROR; | |
217 } | |
218 | |
219 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
220 "http3 path \"%V\"", value); | |
221 | |
222 return NGX_OK; | |
223 } | |
224 | |
225 if (name->len == 7 && ngx_strncmp(name->data, ":scheme", 7) == 0) { | |
226 r->schema_start = value->data; | |
227 r->schema_end = value->data + value->len; | |
228 | |
229 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
230 "http3 schema \"%V\"", value); | |
231 | |
232 return NGX_OK; | |
233 } | |
234 | |
235 if (name->len == 10 && ngx_strncmp(name->data, ":authority", 10) == 0) { | |
236 r->host_start = value->data; | |
237 r->host_end = value->data + value->len; | |
238 | |
239 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
240 "http3 authority \"%V\"", value); | |
241 | |
242 return NGX_OK; | |
243 } | |
244 | |
8226
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
245 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
246 "http3 unknown pseudo header \"%V\" \"%V\"", name, value); |
8215 | 247 |
8226
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
8219
diff
changeset
|
248 return NGX_OK; |
8215 | 249 } |
250 | |
251 | |
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
252 ngx_int_t |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
253 ngx_http_v3_parse_request_body(ngx_http_request_t *r, ngx_buf_t *b, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
254 ngx_http_chunked_t *ctx) |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
255 { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
256 ngx_int_t rc; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
257 ngx_connection_t *c; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
258 ngx_http_v3_parse_data_t *st; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
259 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
260 c = r->connection; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
261 st = ctx->h3_parse; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
262 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
263 if (st == NULL) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
264 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
265 "http3 parse request body"); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
266 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
267 st = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_parse_data_t)); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
268 if (st == NULL) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
269 goto failed; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
270 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
271 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
272 r->h3_parse = st; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
273 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
274 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
275 if (ctx->size) { |
8329
7bd334b8d91a
HTTP/3: fixed reading request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8295
diff
changeset
|
276 ctx->length = ctx->size + 1; |
7bd334b8d91a
HTTP/3: fixed reading request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8295
diff
changeset
|
277 return (b->pos == b->last) ? NGX_AGAIN : NGX_OK; |
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
278 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
279 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
280 while (b->pos < b->last) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
281 rc = ngx_http_v3_parse_data(c, st, *b->pos++); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
282 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
283 if (rc == NGX_ERROR) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
284 goto failed; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
285 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
286 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
287 if (rc == NGX_AGAIN) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
288 continue; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
289 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
290 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
291 /* rc == NGX_DONE */ |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
292 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
293 ctx->size = st->length; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
294 return NGX_OK; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
295 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
296 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
297 if (!b->last_buf) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
298 ctx->length = 1; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
299 return NGX_AGAIN; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
300 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
301 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
302 if (st->state) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
303 goto failed; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
304 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
305 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
306 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header done"); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
307 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
308 return NGX_DONE; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
309 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
310 failed: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
311 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
312 return NGX_ERROR; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
313 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
314 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8292
diff
changeset
|
315 |
8215 | 316 ngx_chain_t * |
317 ngx_http_v3_create_header(ngx_http_request_t *r) | |
318 { | |
319 u_char *p; | |
8253
69365c7bb07f
Removed unused variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8238
diff
changeset
|
320 size_t len, n; |
8215 | 321 ngx_buf_t *b; |
322 ngx_uint_t i, j; | |
323 ngx_chain_t *hl, *cl, *bl; | |
324 ngx_list_part_t *part; | |
325 ngx_table_elt_t *header; | |
326 ngx_connection_t *c; | |
327 ngx_http_core_loc_conf_t *clcf; | |
328 | |
329 c = r->connection; | |
330 | |
331 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 create header"); | |
332 | |
8291 | 333 len = 2; |
8215 | 334 |
335 if (r->headers_out.status == NGX_HTTP_OK) { | |
336 len += ngx_http_v3_encode_prefix_int(NULL, 25, 6); | |
337 | |
338 } else { | |
339 len += 3 + ngx_http_v3_encode_prefix_int(NULL, 25, 4) | |
340 + ngx_http_v3_encode_prefix_int(NULL, 3, 7); | |
341 } | |
342 | |
343 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
344 | |
345 if (r->headers_out.server == NULL) { | |
346 if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) { | |
347 n = sizeof(NGINX_VER) - 1; | |
348 | |
349 } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) { | |
350 n = sizeof(NGINX_VER_BUILD) - 1; | |
351 | |
352 } else { | |
353 n = sizeof("nginx") - 1; | |
354 } | |
355 | |
356 len += ngx_http_v3_encode_prefix_int(NULL, 92, 4) | |
357 + ngx_http_v3_encode_prefix_int(NULL, n, 7) + n; | |
358 } | |
359 | |
360 if (r->headers_out.date == NULL) { | |
361 len += ngx_http_v3_encode_prefix_int(NULL, 6, 4) | |
362 + ngx_http_v3_encode_prefix_int(NULL, ngx_cached_http_time.len, | |
363 7) | |
364 + ngx_cached_http_time.len; | |
365 } | |
366 | |
367 if (r->headers_out.content_type.len) { | |
368 n = r->headers_out.content_type.len; | |
369 | |
370 if (r->headers_out.content_type_len == r->headers_out.content_type.len | |
371 && r->headers_out.charset.len) | |
372 { | |
373 n += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
374 } | |
375 | |
376 len += ngx_http_v3_encode_prefix_int(NULL, 53, 4) | |
377 + ngx_http_v3_encode_prefix_int(NULL, n, 7) + n; | |
378 } | |
379 | |
8238
a3257a725b3d
Fixed header creation for header_only responses in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8233
diff
changeset
|
380 if (r->headers_out.content_length_n > 0) { |
a3257a725b3d
Fixed header creation for header_only responses in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8233
diff
changeset
|
381 len += ngx_http_v3_encode_prefix_int(NULL, 4, 4) + 1 + NGX_OFF_T_LEN; |
8215 | 382 |
8238
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diff
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|
383 } else if (r->headers_out.content_length_n == 0) { |
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|
384 len += ngx_http_v3_encode_prefix_int(NULL, 4, 6); |
8215 | 385 } |
386 | |
387 if (r->headers_out.last_modified == NULL | |
388 && r->headers_out.last_modified_time != -1) | |
389 { | |
390 len += ngx_http_v3_encode_prefix_int(NULL, 10, 4) + 1 | |
391 + sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT"); | |
392 } | |
393 | |
394 /* XXX location */ | |
395 | |
396 #if (NGX_HTTP_GZIP) | |
397 if (r->gzip_vary) { | |
398 if (clcf->gzip_vary) { | |
399 /* Vary: Accept-Encoding */ | |
400 len += ngx_http_v3_encode_prefix_int(NULL, 59, 6); | |
401 | |
402 } else { | |
403 r->gzip_vary = 0; | |
404 } | |
405 } | |
406 #endif | |
407 | |
408 part = &r->headers_out.headers.part; | |
409 header = part->elts; | |
410 | |
411 for (i = 0; /* void */; i++) { | |
412 | |
413 if (i >= part->nelts) { | |
414 if (part->next == NULL) { | |
415 break; | |
416 } | |
417 | |
418 part = part->next; | |
419 header = part->elts; | |
420 i = 0; | |
421 } | |
422 | |
423 if (header[i].hash == 0) { | |
424 continue; | |
425 } | |
426 | |
427 len += ngx_http_v3_encode_prefix_int(NULL, header[i].key.len, 3) | |
428 + header[i].key.len | |
429 + ngx_http_v3_encode_prefix_int(NULL, header[i].value.len, 7 ) | |
430 + header[i].value.len; | |
431 } | |
432 | |
433 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 header len:%uz", len); | |
434 | |
435 b = ngx_create_temp_buf(r->pool, len); | |
436 if (b == NULL) { | |
437 return NULL; | |
438 } | |
439 | |
440 *b->last++ = 0; | |
441 *b->last++ = 0; | |
442 | |
443 if (r->headers_out.status == NGX_HTTP_OK) { | |
444 /* :status: 200 */ | |
445 *b->last = 0xc0; | |
446 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 25, 6); | |
447 | |
448 } else { | |
449 /* :status: 200 */ | |
450 *b->last = 0x70; | |
451 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 25, 4); | |
452 *b->last = 0; | |
453 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 3, 7); | |
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8219
diff
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|
454 b->last = ngx_sprintf(b->last, "%03ui", r->headers_out.status); |
8215 | 455 } |
456 | |
457 if (r->headers_out.server == NULL) { | |
458 if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) { | |
459 p = (u_char *) NGINX_VER; | |
460 n = sizeof(NGINX_VER) - 1; | |
461 | |
462 } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) { | |
463 p = (u_char *) NGINX_VER_BUILD; | |
464 n = sizeof(NGINX_VER_BUILD) - 1; | |
465 | |
466 } else { | |
467 p = (u_char *) "nginx"; | |
468 n = sizeof("nginx") - 1; | |
469 } | |
470 | |
471 /* server */ | |
472 *b->last = 0x70; | |
473 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 92, 4); | |
474 *b->last = 0; | |
475 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, n, 7); | |
476 b->last = ngx_cpymem(b->last, p, n); | |
477 } | |
478 | |
479 if (r->headers_out.date == NULL) { | |
480 /* date */ | |
481 *b->last = 0x70; | |
482 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 6, 4); | |
483 *b->last = 0; | |
484 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, | |
485 ngx_cached_http_time.len, 7); | |
486 b->last = ngx_cpymem(b->last, ngx_cached_http_time.data, | |
487 ngx_cached_http_time.len); | |
488 } | |
489 | |
490 if (r->headers_out.content_type.len) { | |
491 n = r->headers_out.content_type.len; | |
492 | |
493 if (r->headers_out.content_type_len == r->headers_out.content_type.len | |
494 && r->headers_out.charset.len) | |
495 { | |
496 n += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
497 } | |
498 | |
499 /* content-type: text/plain */ | |
500 *b->last = 0x70; | |
501 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 53, 4); | |
502 *b->last = 0; | |
503 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, n, 7); | |
504 | |
505 p = b->last; | |
506 b->last = ngx_copy(b->last, r->headers_out.content_type.data, | |
507 r->headers_out.content_type.len); | |
508 | |
509 if (r->headers_out.content_type_len == r->headers_out.content_type.len | |
510 && r->headers_out.charset.len) | |
511 { | |
512 b->last = ngx_cpymem(b->last, "; charset=", | |
513 sizeof("; charset=") - 1); | |
514 b->last = ngx_copy(b->last, r->headers_out.charset.data, | |
515 r->headers_out.charset.len); | |
516 | |
517 /* update r->headers_out.content_type for possible logging */ | |
518 | |
519 r->headers_out.content_type.len = b->last - p; | |
520 r->headers_out.content_type.data = p; | |
521 } | |
522 } | |
523 | |
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Roman Arutyunyan <arut@nginx.com>
parents:
8233
diff
changeset
|
524 if (r->headers_out.content_length_n > 0) { |
8215 | 525 /* content-length: 0 */ |
526 *b->last = 0x70; | |
527 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 4, 4); | |
528 p = b->last++; | |
529 b->last = ngx_sprintf(b->last, "%O", r->headers_out.content_length_n); | |
530 *p = b->last - p - 1; | |
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Roman Arutyunyan <arut@nginx.com>
parents:
8233
diff
changeset
|
531 |
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Roman Arutyunyan <arut@nginx.com>
parents:
8233
diff
changeset
|
532 } else if (r->headers_out.content_length_n == 0) { |
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parents:
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diff
changeset
|
533 /* content-length: 0 */ |
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534 *b->last = 0xc0; |
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
535 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 4, 6); |
8215 | 536 } |
537 | |
538 if (r->headers_out.last_modified == NULL | |
539 && r->headers_out.last_modified_time != -1) | |
540 { | |
541 /* last-modified */ | |
542 *b->last = 0x70; | |
543 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 10, 4); | |
544 p = b->last++; | |
545 b->last = ngx_http_time(b->last, r->headers_out.last_modified_time); | |
546 *p = b->last - p - 1; | |
547 } | |
548 | |
549 #if (NGX_HTTP_GZIP) | |
550 if (r->gzip_vary) { | |
551 /* vary: accept-encoding */ | |
552 *b->last = 0xc0; | |
553 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, 59, 6); | |
554 } | |
555 #endif | |
556 | |
557 part = &r->headers_out.headers.part; | |
558 header = part->elts; | |
559 | |
560 for (i = 0; /* void */; i++) { | |
561 | |
562 if (i >= part->nelts) { | |
563 if (part->next == NULL) { | |
564 break; | |
565 } | |
566 | |
567 part = part->next; | |
568 header = part->elts; | |
569 i = 0; | |
570 } | |
571 | |
572 if (header[i].hash == 0) { | |
573 continue; | |
574 } | |
575 | |
576 *b->last = 0x30; | |
577 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, | |
578 header[i].key.len, | |
579 3); | |
580 for (j = 0; j < header[i].key.len; j++) { | |
581 *b->last++ = ngx_tolower(header[i].key.data[j]); | |
582 } | |
583 | |
584 *b->last = 0; | |
585 b->last = (u_char *) ngx_http_v3_encode_prefix_int(b->last, | |
586 header[i].value.len, | |
587 7); | |
588 b->last = ngx_copy(b->last, header[i].value.data, header[i].value.len); | |
589 } | |
590 | |
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parents:
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changeset
|
591 if (r->header_only) { |
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parents:
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|
592 b->last_buf = 1; |
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|
593 } |
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|
594 |
8215 | 595 cl = ngx_alloc_chain_link(c->pool); |
596 if (cl == NULL) { | |
597 return NULL; | |
598 } | |
599 | |
600 cl->buf = b; | |
601 cl->next = NULL; | |
602 | |
603 n = b->last - b->pos; | |
604 | |
605 len = 1 + ngx_http_v3_encode_varlen_int(NULL, n); | |
606 | |
607 b = ngx_create_temp_buf(c->pool, len); | |
608 if (b == NULL) { | |
609 return NULL; | |
610 } | |
611 | |
612 *b->last++ = NGX_HTTP_V3_FRAME_HEADERS; | |
613 b->last = (u_char *) ngx_http_v3_encode_varlen_int(b->last, n); | |
614 | |
615 hl = ngx_alloc_chain_link(c->pool); | |
616 if (hl == NULL) { | |
617 return NULL; | |
618 } | |
619 | |
620 hl->buf = b; | |
621 hl->next = cl; | |
622 | |
623 if (r->headers_out.content_length_n >= 0) { | |
624 len = 1 + ngx_http_v3_encode_varlen_int(NULL, | |
625 r->headers_out.content_length_n); | |
626 | |
627 b = ngx_create_temp_buf(c->pool, len); | |
628 if (b == NULL) { | |
8394 | 629 return NULL; |
8215 | 630 } |
631 | |
632 *b->last++ = NGX_HTTP_V3_FRAME_DATA; | |
633 b->last = (u_char *) ngx_http_v3_encode_varlen_int(b->last, | |
634 r->headers_out.content_length_n); | |
635 | |
636 bl = ngx_alloc_chain_link(c->pool); | |
637 if (bl == NULL) { | |
638 return NULL; | |
639 } | |
640 | |
641 bl->buf = b; | |
642 bl->next = NULL; | |
643 cl->next = bl; | |
644 } | |
645 | |
646 return hl; | |
647 } | |
8292
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
648 |
46e3542d51b3
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Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
649 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
650 ngx_chain_t * |
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Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
651 ngx_http_v3_create_trailers(ngx_http_request_t *r) |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
652 { |
46e3542d51b3
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parents:
8291
diff
changeset
|
653 ngx_buf_t *b; |
46e3542d51b3
Chunked response body in HTTP/3.
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parents:
8291
diff
changeset
|
654 ngx_chain_t *cl; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
655 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
656 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
657 "http3 create trailers"); |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
658 |
46e3542d51b3
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parents:
8291
diff
changeset
|
659 /* XXX */ |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
660 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
661 b = ngx_calloc_buf(r->pool); |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
662 if (b == NULL) { |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
663 return NULL; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
664 } |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
665 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
666 b->last_buf = 1; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
667 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
668 cl = ngx_alloc_chain_link(r->pool); |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
669 if (cl == NULL) { |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
670 return NULL; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
671 } |
46e3542d51b3
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Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
672 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
673 cl->buf = b; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
674 cl->next = NULL; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
675 |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
676 return cl; |
46e3542d51b3
Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents:
8291
diff
changeset
|
677 } |