Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 7043:aeaac3ccee4f
Range filter: allowed ranges on empty files (ticket #1031).
As per RFC 2616 / RFC 7233, any range request to an empty file
is expected to result in 416 Range Not Satisfiable response, as
there cannot be a "byte-range-spec whose first-byte-pos is less
than the current length of the entity-body". On the other hand,
this makes use of byte-range requests inconvenient in some cases,
as reported for the slice module here:
http://mailman.nginx.org/pipermail/nginx-devel/2017-June/010177.html
This commit changes range filter to instead return 200 if the file
is empty and the range requested starts at 0.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 27 Jun 2017 00:53:46 +0300 |
parents | 0cdee26605f3 |
children | e02555553d0b |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 /* |
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14 * the single part format: |
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15 * |
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16 * "HTTP/1.0 206 Partial Content" CRLF |
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17 * ... header ... |
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18 * "Content-Type: image/jpeg" CRLF |
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19 * "Content-Length: SIZE" CRLF |
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20 * "Content-Range: bytes START-END/SIZE" CRLF |
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21 * CRLF |
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22 * ... data ... |
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23 * |
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24 * |
5538 | 25 * the multipart format: |
160
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26 * |
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27 * "HTTP/1.0 206 Partial Content" CRLF |
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28 * ... header ... |
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29 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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30 * CRLF |
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31 * CRLF |
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32 * "--0123456789" CRLF |
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33 * "Content-Type: image/jpeg" CRLF |
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34 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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35 * CRLF |
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36 * ... data ... |
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37 * CRLF |
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38 * "--0123456789" CRLF |
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39 * "Content-Type: image/jpeg" CRLF |
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40 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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41 * CRLF |
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42 * ... data ... |
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43 * CRLF |
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44 * "--0123456789--" CRLF |
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45 */ |
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46 |
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47 |
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48 typedef struct { |
963
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49 off_t start; |
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50 off_t end; |
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51 ngx_str_t content_range; |
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52 } ngx_http_range_t; |
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53 |
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54 |
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55 typedef struct { |
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56 off_t offset; |
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57 ngx_str_t boundary_header; |
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58 ngx_array_t ranges; |
99
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59 } ngx_http_range_filter_ctx_t; |
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60 |
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61 |
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62 static ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, |
4062 | 63 ngx_http_range_filter_ctx_t *ctx, ngx_uint_t ranges); |
2118
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64 static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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65 ngx_http_range_filter_ctx_t *ctx); |
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66 static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, |
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67 ngx_http_range_filter_ctx_t *ctx); |
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68 static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); |
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69 static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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70 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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71 static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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72 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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73 static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, |
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74 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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75 |
681 | 76 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
77 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
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78 |
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79 |
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80 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
509 | 81 NULL, /* preconfiguration */ |
681 | 82 ngx_http_range_header_filter_init, /* postconfiguration */ |
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83 |
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84 NULL, /* create main configuration */ |
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85 NULL, /* init main configuration */ |
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86 |
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87 NULL, /* create server configuration */ |
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88 NULL, /* merge server configuration */ |
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89 |
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90 NULL, /* create location configuration */ |
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91 NULL, /* merge location configuration */ |
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92 }; |
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93 |
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94 |
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95 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 96 NGX_MODULE_V1, |
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97 &ngx_http_range_header_filter_module_ctx, /* module context */ |
99
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98 NULL, /* module directives */ |
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99 NGX_HTTP_MODULE, /* module type */ |
541 | 100 NULL, /* init master */ |
681 | 101 NULL, /* init module */ |
541 | 102 NULL, /* init process */ |
103 NULL, /* init thread */ | |
104 NULL, /* exit thread */ | |
105 NULL, /* exit process */ | |
106 NULL, /* exit master */ | |
107 NGX_MODULE_V1_PADDING | |
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108 }; |
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109 |
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110 |
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111 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
509 | 112 NULL, /* preconfiguration */ |
681 | 113 ngx_http_range_body_filter_init, /* postconfiguration */ |
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114 |
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115 NULL, /* create main configuration */ |
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116 NULL, /* init main configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
117 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
118 NULL, /* create server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
119 NULL, /* merge server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
120 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
121 NULL, /* create location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
122 NULL, /* merge location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
123 }; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
124 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
125 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
126 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 127 NGX_MODULE_V1, |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
128 &ngx_http_range_body_filter_module_ctx, /* module context */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
129 NULL, /* module directives */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
130 NGX_HTTP_MODULE, /* module type */ |
541 | 131 NULL, /* init master */ |
681 | 132 NULL, /* init module */ |
541 | 133 NULL, /* init process */ |
134 NULL, /* init thread */ | |
135 NULL, /* exit thread */ | |
136 NULL, /* exit process */ | |
137 NULL, /* exit master */ | |
138 NGX_MODULE_V1_PADDING | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 }; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
142 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
143 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
493 | 146 static ngx_int_t |
147 ngx_http_range_header_filter(ngx_http_request_t *r) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 { |
4745
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Entity tags: support in If-Range header.
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diff
changeset
|
149 time_t if_range_time; |
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Entity tags: support in If-Range header.
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diff
changeset
|
150 ngx_str_t *if_range, *etag; |
5621
345e4fd4bb64
Range filter: single_range flag in request.
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parents:
5558
diff
changeset
|
151 ngx_uint_t ranges; |
4062 | 152 ngx_http_core_loc_conf_t *clcf; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
153 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
155 if (r->http_version < NGX_HTTP_VERSION_10 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 || r->headers_out.status != NGX_HTTP_OK |
6317 | 157 || (r != r->main && !r->subrequest_ranges) |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
158 || r->headers_out.content_length_n == -1 |
581 | 159 || !r->allow_ranges) |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
160 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
161 return ngx_http_next_header_filter(r); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
162 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
163 |
4062 | 164 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
165 | |
166 if (clcf->max_ranges == 0) { | |
167 return ngx_http_next_header_filter(r); | |
168 } | |
169 | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
170 if (r->headers_in.range == NULL |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 || r->headers_in.range->value.len < 7 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
172 || ngx_strncasecmp(r->headers_in.range->value.data, |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
173 (u_char *) "bytes=", 6) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
174 != 0) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 { |
1630 | 176 goto next_filter; |
177 } | |
178 | |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
179 if (r->headers_in.if_range) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
180 |
4745
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Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
181 if_range = &r->headers_in.if_range->value; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
182 |
4750
149634c98d67
Entity tags: empty etags handling in If-Range.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4745
diff
changeset
|
183 if (if_range->len >= 2 && if_range->data[if_range->len - 1] == '"') { |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
184 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
185 if (r->headers_out.etag == NULL) { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
186 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
187 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
188 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
189 etag = &r->headers_out.etag->value; |
4752060ca462
Entity tags: support in If-Range header.
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parents:
4741
diff
changeset
|
190 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
191 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
192 "http ir:%V etag:%V", if_range, etag); |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
193 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
194 if (if_range->len != etag->len |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
195 || ngx_strncmp(if_range->data, etag->data, etag->len) != 0) |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
196 { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
197 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
198 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
199 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
200 goto parse; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
201 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
202 |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
203 if (r->headers_out.last_modified_time == (time_t) -1) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
204 goto next_filter; |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
205 } |
1630 | 206 |
6180
8b6fa4842133
Moved ngx_http_parse_time() to core, renamed accordingly.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6013
diff
changeset
|
207 if_range_time = ngx_parse_http_time(if_range->data, if_range->len); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
208 |
1630 | 209 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
6480 | 210 "http ir:%T lm:%T", |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
211 if_range_time, r->headers_out.last_modified_time); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
212 |
4745
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Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
213 if (if_range_time != r->headers_out.last_modified_time) { |
1630 | 214 goto next_filter; |
215 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
218 parse: |
4752060ca462
Entity tags: support in If-Range header.
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parents:
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diff
changeset
|
219 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
220 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
221 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
222 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
223 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
224 |
6317 | 225 ctx->offset = r->headers_out.content_offset; |
226 | |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
227 ranges = r->single_range ? 1 : clcf->max_ranges; |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
228 |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
229 switch (ngx_http_range_parse(r, ctx, ranges)) { |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
230 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
231 case NGX_OK: |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
232 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
233 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
234 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
235 r->headers_out.status_line.len = 0; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
236 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
237 if (ctx->ranges.nelts == 1) { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
238 return ngx_http_range_singlepart_header(r, ctx); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
239 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
240 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
241 return ngx_http_range_multipart_header(r, ctx); |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
242 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
243 case NGX_HTTP_RANGE_NOT_SATISFIABLE: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
244 return ngx_http_range_not_satisfiable(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
245 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
246 case NGX_ERROR: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
247 return NGX_ERROR; |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
248 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
249 default: /* NGX_DECLINED */ |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
250 break; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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251 } |
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252 |
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253 next_filter: |
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254 |
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255 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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256 if (r->headers_out.accept_ranges == NULL) { |
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257 return NGX_ERROR; |
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258 } |
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259 |
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260 r->headers_out.accept_ranges->hash = 1; |
3516
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261 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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262 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
2118
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263 |
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264 return ngx_http_next_header_filter(r); |
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265 } |
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266 |
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267 |
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d32a2000b766
ngx_http_range_parse() should be static.
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268 static ngx_int_t |
4062 | 269 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, |
270 ngx_uint_t ranges) | |
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271 { |
6317 | 272 u_char *p; |
273 off_t start, end, size, content_length, cutoff, | |
274 cutlim; | |
275 ngx_uint_t suffix; | |
276 ngx_http_range_t *range; | |
277 ngx_http_range_filter_ctx_t *mctx; | |
278 | |
279 if (r != r->main) { | |
280 mctx = ngx_http_get_module_ctx(r->main, | |
281 ngx_http_range_body_filter_module); | |
282 if (mctx) { | |
283 ctx->ranges = mctx->ranges; | |
284 return NGX_OK; | |
285 } | |
286 } | |
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287 |
6798
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Range filter: only initialize ctx->ranges in main request.
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288 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
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289 != NGX_OK) |
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290 { |
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291 return NGX_ERROR; |
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292 } |
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293 |
99
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294 p = r->headers_in.range->value.data + 6; |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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295 size = 0; |
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296 content_length = r->headers_out.content_length_n; |
99
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297 |
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298 cutoff = NGX_MAX_OFF_T_VALUE / 10; |
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299 cutlim = NGX_MAX_OFF_T_VALUE % 10; |
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300 |
99
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301 for ( ;; ) { |
231
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302 start = 0; |
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303 end = 0; |
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304 suffix = 0; |
99
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305 |
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306 while (*p == ' ') { p++; } |
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307 |
231
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308 if (*p != '-') { |
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309 if (*p < '0' || *p > '9') { |
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310 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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311 } |
99
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312 |
231
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313 while (*p >= '0' && *p <= '9') { |
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314 if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { |
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315 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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316 } |
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|
317 |
231
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318 start = start * 10 + *p++ - '0'; |
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319 } |
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320 |
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321 while (*p == ' ') { p++; } |
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|
322 |
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323 if (*p++ != '-') { |
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324 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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|
325 } |
99
a059e1aa65d4
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|
326 |
231
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327 while (*p == ' ') { p++; } |
99
a059e1aa65d4
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|
328 |
231
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329 if (*p == ',' || *p == '\0') { |
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|
330 end = content_length; |
4055
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|
331 goto found; |
99
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|
332 } |
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|
333 |
231
92db0aa1e83f
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|
334 } else { |
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|
335 suffix = 1; |
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|
336 p++; |
99
a059e1aa65d4
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|
337 } |
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|
338 |
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|
339 if (*p < '0' || *p > '9') { |
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340 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
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|
341 } |
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|
342 |
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|
343 while (*p >= '0' && *p <= '9') { |
6013
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|
344 if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { |
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Overflow detection in ngx_http_range_parse().
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|
345 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
346 } |
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|
347 |
99
a059e1aa65d4
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|
348 end = end * 10 + *p++ - '0'; |
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|
349 } |
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|
350 |
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|
351 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
352 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
353 if (*p != ',' && *p != '\0') { |
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|
354 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
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changeset
|
355 } |
a059e1aa65d4
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diff
changeset
|
356 |
231
92db0aa1e83f
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195
diff
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|
357 if (suffix) { |
4057
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Ranges processing small optimization.
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|
358 start = content_length - end; |
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Ranges processing small optimization.
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|
359 end = content_length - 1; |
231
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360 } |
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|
361 |
4057
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Ranges processing small optimization.
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|
362 if (end >= content_length) { |
3205a6d6c6ec
Ranges processing small optimization.
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|
363 end = content_length; |
4055
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Ranges processing small optimization.
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diff
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|
364 |
9cce506be97d
Ranges processing small optimization.
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diff
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|
365 } else { |
9cce506be97d
Ranges processing small optimization.
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|
366 end++; |
9cce506be97d
Ranges processing small optimization.
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|
367 } |
9cce506be97d
Ranges processing small optimization.
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diff
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|
368 |
9cce506be97d
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diff
changeset
|
369 found: |
9cce506be97d
Ranges processing small optimization.
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diff
changeset
|
370 |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
Igor Sysoev <igor@sysoev.ru>
parents:
4059
diff
changeset
|
371 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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4060
diff
changeset
|
372 range = ngx_array_push(&ctx->ranges); |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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changeset
|
373 if (range == NULL) { |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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|
374 return NGX_ERROR; |
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Style fix: removal of tabs introduced in the previous commit.
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changeset
|
375 } |
461 | 376 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
377 range->start = start; |
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378 range->end = end; |
99
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379 |
4061
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380 size += end - start; |
4062 | 381 |
4063
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Now if client requests more ranges than "max_ranges" permits,
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382 if (ranges-- == 0) { |
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383 return NGX_DECLINED; |
4062 | 384 } |
7043
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Range filter: allowed ranges on empty files (ticket #1031).
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385 |
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386 } else if (start == 0) { |
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387 return NGX_DECLINED; |
4060
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*) fix of r4060: start value should be tested after the "found" label;
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388 } |
4056
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389 |
231
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390 if (*p++ != ',') { |
4035
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391 break; |
231
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392 } |
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393 } |
4035
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394 |
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395 if (ctx->ranges.nelts == 0) { |
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396 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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397 } |
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398 |
4057
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Ranges processing small optimization.
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399 if (size > content_length) { |
4035
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400 return NGX_DECLINED; |
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401 } |
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402 |
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403 return NGX_OK; |
2118
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404 } |
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405 |
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406 |
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407 static ngx_int_t |
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408 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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409 ngx_http_range_filter_ctx_t *ctx) |
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410 { |
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411 ngx_table_elt_t *content_range; |
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412 ngx_http_range_t *range; |
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413 |
6317 | 414 if (r != r->main) { |
415 return ngx_http_next_header_filter(r); | |
416 } | |
417 | |
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418 content_range = ngx_list_push(&r->headers_out.headers); |
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419 if (content_range == NULL) { |
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420 return NGX_ERROR; |
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421 } |
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422 |
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423 r->headers_out.content_range = content_range; |
461 | 424 |
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425 content_range->hash = 1; |
3516
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426 ngx_str_set(&content_range->key, "Content-Range"); |
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427 |
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428 content_range->value.data = ngx_pnalloc(r->pool, |
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429 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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430 if (content_range->value.data == NULL) { |
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Cleaned up r->headers_out.headers allocation error handling.
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431 content_range->hash = 0; |
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432 r->headers_out.content_range = NULL; |
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433 return NGX_ERROR; |
461 | 434 } |
435 | |
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436 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 437 |
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438 range = ctx->ranges.elts; |
461 | 439 |
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440 content_range->value.len = ngx_sprintf(content_range->value.data, |
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441 "bytes %O-%O/%O", |
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442 range->start, range->end - 1, |
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443 r->headers_out.content_length_n) |
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444 - content_range->value.data; |
461 | 445 |
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446 r->headers_out.content_length_n = range->end - range->start; |
6317 | 447 r->headers_out.content_offset = range->start; |
461 | 448 |
2118
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449 if (r->headers_out.content_length) { |
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450 r->headers_out.content_length->hash = 0; |
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451 r->headers_out.content_length = NULL; |
461 | 452 } |
453 | |
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454 return ngx_http_next_header_filter(r); |
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455 } |
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456 |
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457 |
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458 static ngx_int_t |
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459 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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460 ngx_http_range_filter_ctx_t *ctx) |
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461 { |
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462 size_t len; |
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463 ngx_uint_t i; |
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464 ngx_http_range_t *range; |
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465 ngx_atomic_uint_t boundary; |
461 | 466 |
493 | 467 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
468 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 469 + r->headers_out.content_type.len |
461 | 470 + sizeof(CRLF "Content-Range: bytes ") - 1; |
471 | |
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Range filter: fixed duplicate charset.
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472 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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473 && r->headers_out.charset.len) |
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474 { |
461 | 475 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
476 } | |
477 | |
2049 | 478 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 479 if (ctx->boundary_header.data == NULL) { |
461 | 480 return NGX_ERROR; |
481 } | |
482 | |
493 | 483 boundary = ngx_next_temp_number(0); |
461 | 484 |
485 /* | |
486 * The boundary header of the range: | |
487 * CRLF | |
488 * "--0123456789" CRLF | |
489 * "Content-Type: image/jpeg" CRLF | |
490 * "Content-Range: bytes " | |
491 */ | |
492 | |
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493 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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494 && r->headers_out.charset.len) |
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495 { |
461 | 496 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 497 CRLF "--%0muA" CRLF |
461 | 498 "Content-Type: %V; charset=%V" CRLF |
499 "Content-Range: bytes ", | |
500 boundary, | |
509 | 501 &r->headers_out.content_type, |
461 | 502 &r->headers_out.charset) |
503 - ctx->boundary_header.data; | |
504 | |
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505 } else if (r->headers_out.content_type.len) { |
461 | 506 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 507 CRLF "--%0muA" CRLF |
461 | 508 "Content-Type: %V" CRLF |
509 "Content-Range: bytes ", | |
510 boundary, | |
509 | 511 &r->headers_out.content_type) |
461 | 512 - ctx->boundary_header.data; |
2119
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513 |
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514 } else { |
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515 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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516 CRLF "--%0muA" CRLF |
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517 "Content-Range: bytes ", |
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518 boundary) |
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519 - ctx->boundary_header.data; |
461 | 520 } |
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521 |
509 | 522 r->headers_out.content_type.data = |
2049 | 523 ngx_pnalloc(r->pool, |
524 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
525 + NGX_ATOMIC_T_LEN); | |
165
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526 |
509 | 527 if (r->headers_out.content_type.data == NULL) { |
461 | 528 return NGX_ERROR; |
529 } | |
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530 |
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531 r->headers_out.content_type_lowcase = NULL; |
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532 |
461 | 533 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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534 |
509 | 535 r->headers_out.content_type.len = |
536 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 537 "multipart/byteranges; boundary=%0muA", |
461 | 538 boundary) |
509 | 539 - r->headers_out.content_type.data; |
160
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540 |
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541 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 542 |
5558
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543 r->headers_out.charset.len = 0; |
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544 |
461 | 545 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 546 |
547 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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548 |
963
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549 range = ctx->ranges.elts; |
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962
diff
changeset
|
550 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 551 |
461 | 552 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 553 |
461 | 554 range[i].content_range.data = |
2049 | 555 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
556 |
461 | 557 if (range[i].content_range.data == NULL) { |
558 return NGX_ERROR; | |
559 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
560 |
461 | 561 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
562 "%O-%O/%O" CRLF CRLF, | |
563 range[i].start, range[i].end - 1, | |
564 r->headers_out.content_length_n) | |
565 - range[i].content_range.data; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
566 |
461 | 567 len += ctx->boundary_header.len + range[i].content_range.len |
568 + (size_t) (range[i].end - range[i].start); | |
569 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
570 |
461 | 571 r->headers_out.content_length_n = len; |
960 | 572 |
573 if (r->headers_out.content_length) { | |
574 r->headers_out.content_length->hash = 0; | |
575 r->headers_out.content_length = NULL; | |
576 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
577 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
578 return ngx_http_next_header_filter(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
579 } |
1630 | 580 |
581 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
582 static ngx_int_t |
c1f589732d8c
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parents:
2049
diff
changeset
|
583 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
c1f589732d8c
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parents:
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diff
changeset
|
584 { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
585 ngx_table_elt_t *content_range; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
586 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
587 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
c1f589732d8c
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parents:
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diff
changeset
|
588 |
c1f589732d8c
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parents:
2049
diff
changeset
|
589 content_range = ngx_list_push(&r->headers_out.headers); |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
590 if (content_range == NULL) { |
1630 | 591 return NGX_ERROR; |
592 } | |
593 | |
2118
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parents:
2049
diff
changeset
|
594 r->headers_out.content_range = content_range; |
c1f589732d8c
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parents:
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diff
changeset
|
595 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
596 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
597 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 598 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
599 content_range->value.data = ngx_pnalloc(r->pool, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
600 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
601 if (content_range->value.data == NULL) { |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6798
diff
changeset
|
602 content_range->hash = 0; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6798
diff
changeset
|
603 r->headers_out.content_range = NULL; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
604 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
605 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
606 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
607 content_range->value.len = ngx_sprintf(content_range->value.data, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
608 "bytes */%O", |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
609 r->headers_out.content_length_n) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
610 - content_range->value.data; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
611 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
612 ngx_http_clear_content_length(r); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
613 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
614 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
615 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
616 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
617 |
493 | 618 static ngx_int_t |
619 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
620 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
621 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
622 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
623 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
624 return ngx_http_next_body_filter(r, in); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
625 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
626 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
627 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
628 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
629 if (ctx == NULL) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
630 return ngx_http_next_body_filter(r, in); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
631 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
632 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
633 if (ctx->ranges.nelts == 1) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
634 return ngx_http_range_singlepart_body(r, ctx, in); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
635 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
636 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
637 /* |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
638 * multipart ranges are supported only if whole body is in a single buffer |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
639 */ |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
640 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
641 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
642 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
643 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
644 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
645 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
646 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
647 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
648 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
649 return ngx_http_range_multipart_body(r, ctx, in); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
650 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
651 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
652 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
653 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
654 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
655 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
656 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
657 off_t start, last; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
658 ngx_buf_t *buf; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
659 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
660 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
661 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
662 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
663 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
664 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
665 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
666 buf = in->buf; |
960 | 667 |
668 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
669 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
670 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
671 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
672 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
673 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
674 if (start > range[i].start || last < range[i].end) { |
6474 | 675 goto overlapped; |
960 | 676 } |
677 } | |
678 } | |
679 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
680 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
681 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
682 return NGX_OK; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
683 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
684 overlapped: |
960 | 685 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
686 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
687 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
688 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
689 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
690 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
691 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
692 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
693 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
694 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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695 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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696 { |
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697 off_t start, last; |
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698 ngx_buf_t *buf; |
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699 ngx_chain_t *out, *cl, **ll; |
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700 ngx_http_range_t *range; |
960 | 701 |
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702 out = NULL; |
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703 ll = &out; |
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704 range = ctx->ranges.elts; |
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705 |
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706 for (cl = in; cl; cl = cl->next) { |
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707 |
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708 buf = cl->buf; |
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709 |
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710 start = ctx->offset; |
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711 last = ctx->offset + ngx_buf_size(buf); |
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712 |
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713 ctx->offset = last; |
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714 |
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715 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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716 "http range body buf: %O-%O", start, last); |
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717 |
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718 if (ngx_buf_special(buf)) { |
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719 *ll = cl; |
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720 ll = &cl->next; |
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721 continue; |
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722 } |
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723 |
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724 if (range->end <= start || range->start >= last) { |
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725 |
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726 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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727 "http range body skip"); |
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728 |
2269 | 729 if (buf->in_file) { |
730 buf->file_pos = buf->file_last; | |
731 } | |
732 | |
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733 buf->pos = buf->last; |
2269 | 734 buf->sync = 1; |
735 | |
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736 continue; |
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737 } |
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738 |
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739 if (range->start > start) { |
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740 |
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741 if (buf->in_file) { |
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742 buf->file_pos += range->start - start; |
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743 } |
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744 |
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745 if (ngx_buf_in_memory(buf)) { |
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746 buf->pos += (size_t) (range->start - start); |
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747 } |
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748 } |
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749 |
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750 if (range->end <= last) { |
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751 |
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752 if (buf->in_file) { |
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753 buf->file_last -= last - range->end; |
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754 } |
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755 |
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756 if (ngx_buf_in_memory(buf)) { |
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757 buf->last -= (size_t) (last - range->end); |
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758 } |
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759 |
6722
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|
760 buf->last_buf = (r == r->main) ? 1 : 0; |
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761 buf->last_in_chain = 1; |
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762 *ll = cl; |
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763 cl->next = NULL; |
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764 |
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765 break; |
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766 } |
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767 |
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768 *ll = cl; |
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769 ll = &cl->next; |
960 | 770 } |
771 | |
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772 if (out == NULL) { |
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773 return NGX_OK; |
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774 } |
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|
775 |
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776 return ngx_http_next_body_filter(r, out); |
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777 } |
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|
778 |
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|
779 |
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780 static ngx_int_t |
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781 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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782 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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783 { |
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784 ngx_buf_t *b, *buf; |
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785 ngx_uint_t i; |
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786 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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|
787 ngx_http_range_t *range; |
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|
788 |
960 | 789 ll = &out; |
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790 buf = in->buf; |
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791 range = ctx->ranges.elts; |
160
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792 |
963
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|
793 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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|
794 |
960 | 795 /* |
796 * The boundary header of the range: | |
797 * CRLF | |
798 * "--0123456789" CRLF | |
799 * "Content-Type: image/jpeg" CRLF | |
800 * "Content-Range: bytes " | |
801 */ | |
802 | |
803 b = ngx_calloc_buf(r->pool); | |
804 if (b == NULL) { | |
805 return NGX_ERROR; | |
99
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806 } |
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|
807 |
960 | 808 b->memory = 1; |
809 b->pos = ctx->boundary_header.data; | |
810 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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|
811 |
960 | 812 hcl = ngx_alloc_chain_link(r->pool); |
813 if (hcl == NULL) { | |
814 return NGX_ERROR; | |
815 } | |
461 | 816 |
960 | 817 hcl->buf = b; |
99
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818 |
461 | 819 |
960 | 820 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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|
821 |
501 | 822 b = ngx_calloc_buf(r->pool); |
823 if (b == NULL) { | |
461 | 824 return NGX_ERROR; |
825 } | |
826 | |
343
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|
827 b->temporary = 1; |
960 | 828 b->pos = range[i].content_range.data; |
829 b->last = range[i].content_range.data + range[i].content_range.len; | |
830 | |
831 rcl = ngx_alloc_chain_link(r->pool); | |
832 if (rcl == NULL) { | |
833 return NGX_ERROR; | |
834 } | |
835 | |
836 rcl->buf = b; | |
837 | |
838 | |
839 /* the range data */ | |
461 | 840 |
960 | 841 b = ngx_calloc_buf(r->pool); |
842 if (b == NULL) { | |
843 return NGX_ERROR; | |
844 } | |
845 | |
962
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|
846 b->in_file = buf->in_file; |
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|
847 b->temporary = buf->temporary; |
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848 b->memory = buf->memory; |
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|
849 b->mmap = buf->mmap; |
960 | 850 b->file = buf->file; |
851 | |
962
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|
852 if (buf->in_file) { |
4467
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|
853 b->file_pos = buf->file_pos + range[i].start; |
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|
854 b->file_last = buf->file_pos + range[i].end; |
962
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|
855 } |
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|
856 |
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|
857 if (ngx_buf_in_memory(buf)) { |
4467
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|
858 b->pos = buf->pos + (size_t) range[i].start; |
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changeset
|
859 b->last = buf->pos + (size_t) range[i].end; |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
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|
860 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
861 |
960 | 862 dcl = ngx_alloc_chain_link(r->pool); |
863 if (dcl == NULL) { | |
461 | 864 return NGX_ERROR; |
865 } | |
866 | |
960 | 867 dcl->buf = b; |
461 | 868 |
155
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parents:
153
diff
changeset
|
869 *ll = hcl; |
960 | 870 hcl->next = rcl; |
871 rcl->next = dcl; | |
872 ll = &dcl->next; | |
873 } | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
874 |
960 | 875 /* the last boundary CRLF "--0123456789--" CRLF */ |
876 | |
877 b = ngx_calloc_buf(r->pool); | |
878 if (b == NULL) { | |
879 return NGX_ERROR; | |
880 } | |
881 | |
882 b->temporary = 1; | |
883 b->last_buf = 1; | |
884 | |
2049 | 885 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
886 + sizeof("--" CRLF) - 1); | |
960 | 887 if (b->pos == NULL) { |
888 return NGX_ERROR; | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
889 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
890 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
891 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
892 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 893 *b->last++ = '-'; *b->last++ = '-'; |
894 *b->last++ = CR; *b->last++ = LF; | |
895 | |
896 hcl = ngx_alloc_chain_link(r->pool); | |
897 if (hcl == NULL) { | |
898 return NGX_ERROR; | |
899 } | |
900 | |
901 hcl->buf = b; | |
902 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
903 |
960 | 904 *ll = hcl; |
905 | |
906 return ngx_http_next_body_filter(r, out); | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
907 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
908 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
909 |
493 | 910 static ngx_int_t |
681 | 911 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
912 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
913 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
914 ngx_http_top_header_filter = ngx_http_range_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
915 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
916 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
917 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
918 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
919 |
493 | 920 static ngx_int_t |
681 | 921 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
922 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
923 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
924 ngx_http_top_body_filter = ngx_http_range_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
925 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
926 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
927 } |