Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 7054:e02555553d0b
Range filter: protect from total size overflows.
The overflow can be used to circumvent the restriction on total size of
ranges introduced in c2a91088b0c0 (1.1.2). Additionally, overflow
allows producing ranges with negative start (such ranges can be created
by using a suffix, "bytes=-100"; normally this results in 200 due to
the total size check). These can result in the following errors in logs:
[crit] ... pread() ... failed (22: Invalid argument)
[alert] ... sendfile() failed (22: Invalid argument)
When using cache, it can be also used to reveal cache file header.
It is believed that there are no other negative effects, at least with
standard nginx modules.
In theory, this can also result in memory disclosure and/or segmentation
faults if multiple ranges are allowed, and the response is returned in a
single in-memory buffer. This never happens with standard nginx modules
though, as well as known 3rd party modules.
Fix is to properly protect from possible overflow when incrementing size.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 11 Jul 2017 16:06:23 +0300 |
parents | aeaac3ccee4f |
children | 887c8c58ffeb |
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; |
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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); |
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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 */ |
177
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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 */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
116 NULL, /* init main configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
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
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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
Igor Sysoev <igor@sysoev.ru>
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.
Maxim Dounin <mdounin@mdounin.ru>
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
4752060ca462
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.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
219 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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 */ |
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Now if total size of all ranges is greater than source response size,
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250 break; |
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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; |
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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"); |
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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
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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
2decd6b34306
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
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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
92db0aa1e83f
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|
325 } |
99
a059e1aa65d4
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diff
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|
326 |
231
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|
327 while (*p == ' ') { p++; } |
99
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|
328 |
231
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|
329 if (*p == ',' || *p == '\0') { |
4057
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Ranges processing small optimization.
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|
330 end = content_length; |
4055
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|
331 goto found; |
99
a059e1aa65d4
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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
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|
352 |
a059e1aa65d4
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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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|
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
3205a6d6c6ec
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
3205a6d6c6ec
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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4054
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
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|
367 } |
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diff
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|
368 |
9cce506be97d
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diff
changeset
|
369 found: |
9cce506be97d
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4054
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.
Igor Sysoev <igor@sysoev.ru>
parents:
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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4060
diff
changeset
|
373 if (range == NULL) { |
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Style fix: removal of tabs introduced in the previous commit.
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4060
diff
changeset
|
374 return NGX_ERROR; |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
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375 } |
461 | 376 |
4061
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Style fix: removal of tabs introduced in the previous commit.
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377 range->start = start; |
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378 range->end = end; |
99
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379 |
7054
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Range filter: protect from total size overflows.
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380 if (size > NGX_MAX_OFF_T_VALUE - (end - start)) { |
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381 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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382 } |
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383 |
4061
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384 size += end - start; |
4062 | 385 |
4063
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
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386 if (ranges-- == 0) { |
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387 return NGX_DECLINED; |
4062 | 388 } |
7043
aeaac3ccee4f
Range filter: allowed ranges on empty files (ticket #1031).
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389 |
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390 } else if (start == 0) { |
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391 return NGX_DECLINED; |
4060
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*) fix of r4060: start value should be tested after the "found" label;
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392 } |
4056
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393 |
231
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394 if (*p++ != ',') { |
4035
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395 break; |
231
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396 } |
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397 } |
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398 |
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399 if (ctx->ranges.nelts == 0) { |
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400 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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401 } |
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402 |
4057
3205a6d6c6ec
Ranges processing small optimization.
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4056
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403 if (size > content_length) { |
4035
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Now if total size of all ranges is greater than source response size,
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404 return NGX_DECLINED; |
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405 } |
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406 |
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407 return NGX_OK; |
2118
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408 } |
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409 |
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410 |
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411 static ngx_int_t |
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412 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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413 ngx_http_range_filter_ctx_t *ctx) |
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414 { |
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415 ngx_table_elt_t *content_range; |
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416 ngx_http_range_t *range; |
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417 |
6317 | 418 if (r != r->main) { |
419 return ngx_http_next_header_filter(r); | |
420 } | |
421 | |
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422 content_range = ngx_list_push(&r->headers_out.headers); |
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423 if (content_range == NULL) { |
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424 return NGX_ERROR; |
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425 } |
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426 |
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427 r->headers_out.content_range = content_range; |
461 | 428 |
2118
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429 content_range->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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430 ngx_str_set(&content_range->key, "Content-Range"); |
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431 |
2118
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432 content_range->value.data = ngx_pnalloc(r->pool, |
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433 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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434 if (content_range->value.data == NULL) { |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
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parents:
6798
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|
435 content_range->hash = 0; |
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|
436 r->headers_out.content_range = NULL; |
2118
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437 return NGX_ERROR; |
461 | 438 } |
439 | |
2118
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440 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 441 |
2118
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442 range = ctx->ranges.elts; |
461 | 443 |
2118
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444 content_range->value.len = ngx_sprintf(content_range->value.data, |
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445 "bytes %O-%O/%O", |
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446 range->start, range->end - 1, |
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447 r->headers_out.content_length_n) |
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448 - content_range->value.data; |
461 | 449 |
2118
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450 r->headers_out.content_length_n = range->end - range->start; |
6317 | 451 r->headers_out.content_offset = range->start; |
461 | 452 |
2118
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453 if (r->headers_out.content_length) { |
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454 r->headers_out.content_length->hash = 0; |
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455 r->headers_out.content_length = NULL; |
461 | 456 } |
457 | |
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458 return ngx_http_next_header_filter(r); |
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|
459 } |
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460 |
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|
461 |
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462 static ngx_int_t |
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|
463 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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464 ngx_http_range_filter_ctx_t *ctx) |
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465 { |
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|
466 size_t len; |
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467 ngx_uint_t i; |
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468 ngx_http_range_t *range; |
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|
469 ngx_atomic_uint_t boundary; |
461 | 470 |
493 | 471 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
472 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 473 + r->headers_out.content_type.len |
461 | 474 + sizeof(CRLF "Content-Range: bytes ") - 1; |
475 | |
5558
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
476 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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Range filter: fixed duplicate charset.
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|
477 && r->headers_out.charset.len) |
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|
478 { |
461 | 479 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
480 } | |
481 | |
2049 | 482 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 483 if (ctx->boundary_header.data == NULL) { |
461 | 484 return NGX_ERROR; |
485 } | |
486 | |
493 | 487 boundary = ngx_next_temp_number(0); |
461 | 488 |
489 /* | |
490 * The boundary header of the range: | |
491 * CRLF | |
492 * "--0123456789" CRLF | |
493 * "Content-Type: image/jpeg" CRLF | |
494 * "Content-Range: bytes " | |
495 */ | |
496 | |
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497 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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|
498 && r->headers_out.charset.len) |
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499 { |
461 | 500 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 501 CRLF "--%0muA" CRLF |
461 | 502 "Content-Type: %V; charset=%V" CRLF |
503 "Content-Range: bytes ", | |
504 boundary, | |
509 | 505 &r->headers_out.content_type, |
461 | 506 &r->headers_out.charset) |
507 - ctx->boundary_header.data; | |
508 | |
2119
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509 } else if (r->headers_out.content_type.len) { |
461 | 510 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 511 CRLF "--%0muA" CRLF |
461 | 512 "Content-Type: %V" CRLF |
513 "Content-Range: bytes ", | |
514 boundary, | |
509 | 515 &r->headers_out.content_type) |
461 | 516 - ctx->boundary_header.data; |
2119
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517 |
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518 } else { |
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519 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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520 CRLF "--%0muA" CRLF |
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521 "Content-Range: bytes ", |
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522 boundary) |
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523 - ctx->boundary_header.data; |
461 | 524 } |
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525 |
509 | 526 r->headers_out.content_type.data = |
2049 | 527 ngx_pnalloc(r->pool, |
528 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
529 + NGX_ATOMIC_T_LEN); | |
165
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530 |
509 | 531 if (r->headers_out.content_type.data == NULL) { |
461 | 532 return NGX_ERROR; |
533 } | |
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534 |
2882
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535 r->headers_out.content_type_lowcase = NULL; |
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536 |
461 | 537 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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538 |
509 | 539 r->headers_out.content_type.len = |
540 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 541 "multipart/byteranges; boundary=%0muA", |
461 | 542 boundary) |
509 | 543 - r->headers_out.content_type.data; |
160
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544 |
2882
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|
545 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 546 |
5558
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
547 r->headers_out.charset.len = 0; |
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
548 |
461 | 549 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 550 |
551 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
552 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
553 range = ctx->ranges.elts; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
554 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 555 |
461 | 556 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 557 |
461 | 558 range[i].content_range.data = |
2049 | 559 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
|
560 |
461 | 561 if (range[i].content_range.data == NULL) { |
562 return NGX_ERROR; | |
563 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
564 |
461 | 565 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
566 "%O-%O/%O" CRLF CRLF, | |
567 range[i].start, range[i].end - 1, | |
568 r->headers_out.content_length_n) | |
569 - 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
|
570 |
461 | 571 len += ctx->boundary_header.len + range[i].content_range.len |
572 + (size_t) (range[i].end - range[i].start); | |
573 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
574 |
461 | 575 r->headers_out.content_length_n = len; |
960 | 576 |
577 if (r->headers_out.content_length) { | |
578 r->headers_out.content_length->hash = 0; | |
579 r->headers_out.content_length = NULL; | |
580 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
581 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
582 return ngx_http_next_header_filter(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
583 } |
1630 | 584 |
585 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
586 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
587 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
588 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
589 ngx_table_elt_t *content_range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
590 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
591 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
592 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
593 content_range = ngx_list_push(&r->headers_out.headers); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
594 if (content_range == NULL) { |
1630 | 595 return NGX_ERROR; |
596 } | |
597 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
598 r->headers_out.content_range = content_range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
599 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
600 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
601 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 602 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
603 content_range->value.data = ngx_pnalloc(r->pool, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
604 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
605 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
|
606 content_range->hash = 0; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6798
diff
changeset
|
607 r->headers_out.content_range = NULL; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
608 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
609 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
610 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
611 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
|
612 "bytes */%O", |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
613 r->headers_out.content_length_n) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
614 - content_range->value.data; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
615 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
616 ngx_http_clear_content_length(r); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
617 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
618 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
|
619 } |
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 |
493 | 622 static ngx_int_t |
623 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
|
624 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
625 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
|
626 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
627 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
628 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
|
629 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
630 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
631 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
|
632 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
633 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
|
634 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
|
635 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
636 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
637 if (ctx->ranges.nelts == 1) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
638 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
|
639 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
640 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
641 /* |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
642 * 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
|
643 */ |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
644 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
645 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
646 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
647 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
648 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
649 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
|
650 return NGX_ERROR; |
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 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
|
654 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
655 |
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 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
658 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
|
659 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
|
660 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
661 off_t start, last; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
662 ngx_buf_t *buf; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
663 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
664 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
665 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
666 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
667 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
668 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
669 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
670 buf = in->buf; |
960 | 671 |
672 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
673 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
674 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
675 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
676 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
|
677 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
|
678 if (start > range[i].start || last < range[i].end) { |
6474 | 679 goto overlapped; |
960 | 680 } |
681 } | |
682 } | |
683 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
684 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
685 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
686 return NGX_OK; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
687 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
688 overlapped: |
960 | 689 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
690 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
|
691 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
692 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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693 return NGX_ERROR; |
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694 } |
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695 |
962
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696 |
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697 static ngx_int_t |
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698 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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699 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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700 { |
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701 off_t start, last; |
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702 ngx_buf_t *buf; |
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703 ngx_chain_t *out, *cl, **ll; |
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704 ngx_http_range_t *range; |
960 | 705 |
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706 out = NULL; |
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707 ll = &out; |
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708 range = ctx->ranges.elts; |
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709 |
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710 for (cl = in; cl; cl = cl->next) { |
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711 |
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712 buf = cl->buf; |
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713 |
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714 start = ctx->offset; |
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715 last = ctx->offset + ngx_buf_size(buf); |
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716 |
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717 ctx->offset = last; |
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718 |
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719 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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720 "http range body buf: %O-%O", start, last); |
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721 |
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722 if (ngx_buf_special(buf)) { |
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723 *ll = cl; |
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724 ll = &cl->next; |
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725 continue; |
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726 } |
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727 |
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728 if (range->end <= start || range->start >= last) { |
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729 |
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730 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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731 "http range body skip"); |
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732 |
2269 | 733 if (buf->in_file) { |
734 buf->file_pos = buf->file_last; | |
735 } | |
736 | |
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737 buf->pos = buf->last; |
2269 | 738 buf->sync = 1; |
739 | |
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740 continue; |
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741 } |
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742 |
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743 if (range->start > start) { |
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744 |
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745 if (buf->in_file) { |
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746 buf->file_pos += range->start - start; |
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747 } |
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748 |
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749 if (ngx_buf_in_memory(buf)) { |
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750 buf->pos += (size_t) (range->start - start); |
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751 } |
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752 } |
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753 |
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754 if (range->end <= last) { |
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755 |
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756 if (buf->in_file) { |
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757 buf->file_last -= last - range->end; |
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758 } |
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759 |
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760 if (ngx_buf_in_memory(buf)) { |
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761 buf->last -= (size_t) (last - range->end); |
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762 } |
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763 |
6722
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|
764 buf->last_buf = (r == r->main) ? 1 : 0; |
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765 buf->last_in_chain = 1; |
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766 *ll = cl; |
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767 cl->next = NULL; |
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768 |
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|
769 break; |
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|
770 } |
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771 |
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772 *ll = cl; |
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773 ll = &cl->next; |
960 | 774 } |
775 | |
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776 if (out == NULL) { |
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777 return NGX_OK; |
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778 } |
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|
779 |
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780 return ngx_http_next_body_filter(r, out); |
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781 } |
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782 |
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|
783 |
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784 static ngx_int_t |
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785 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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786 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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787 { |
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788 ngx_buf_t *b, *buf; |
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789 ngx_uint_t i; |
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790 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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791 ngx_http_range_t *range; |
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792 |
960 | 793 ll = &out; |
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794 buf = in->buf; |
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795 range = ctx->ranges.elts; |
160
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796 |
963
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|
797 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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|
798 |
960 | 799 /* |
800 * The boundary header of the range: | |
801 * CRLF | |
802 * "--0123456789" CRLF | |
803 * "Content-Type: image/jpeg" CRLF | |
804 * "Content-Range: bytes " | |
805 */ | |
806 | |
807 b = ngx_calloc_buf(r->pool); | |
808 if (b == NULL) { | |
809 return NGX_ERROR; | |
99
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|
810 } |
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|
811 |
960 | 812 b->memory = 1; |
813 b->pos = ctx->boundary_header.data; | |
814 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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|
815 |
960 | 816 hcl = ngx_alloc_chain_link(r->pool); |
817 if (hcl == NULL) { | |
818 return NGX_ERROR; | |
819 } | |
461 | 820 |
960 | 821 hcl->buf = b; |
99
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|
822 |
461 | 823 |
960 | 824 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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|
825 |
501 | 826 b = ngx_calloc_buf(r->pool); |
827 if (b == NULL) { | |
461 | 828 return NGX_ERROR; |
829 } | |
830 | |
343
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|
831 b->temporary = 1; |
960 | 832 b->pos = range[i].content_range.data; |
833 b->last = range[i].content_range.data + range[i].content_range.len; | |
834 | |
835 rcl = ngx_alloc_chain_link(r->pool); | |
836 if (rcl == NULL) { | |
837 return NGX_ERROR; | |
838 } | |
839 | |
840 rcl->buf = b; | |
841 | |
842 | |
843 /* the range data */ | |
461 | 844 |
960 | 845 b = ngx_calloc_buf(r->pool); |
846 if (b == NULL) { | |
847 return NGX_ERROR; | |
848 } | |
849 | |
962
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|
850 b->in_file = buf->in_file; |
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|
851 b->temporary = buf->temporary; |
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|
852 b->memory = buf->memory; |
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|
853 b->mmap = buf->mmap; |
960 | 854 b->file = buf->file; |
855 | |
962
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|
856 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
857 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
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parents:
4412
diff
changeset
|
858 b->file_last = buf->file_pos + range[i].end; |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
859 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
860 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
861 if (ngx_buf_in_memory(buf)) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
862 b->pos = buf->pos + (size_t) range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
863 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
changeset
|
864 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
865 |
960 | 866 dcl = ngx_alloc_chain_link(r->pool); |
867 if (dcl == NULL) { | |
461 | 868 return NGX_ERROR; |
869 } | |
870 | |
960 | 871 dcl->buf = b; |
461 | 872 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
873 *ll = hcl; |
960 | 874 hcl->next = rcl; |
875 rcl->next = dcl; | |
876 ll = &dcl->next; | |
877 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
878 |
960 | 879 /* the last boundary CRLF "--0123456789--" CRLF */ |
880 | |
881 b = ngx_calloc_buf(r->pool); | |
882 if (b == NULL) { | |
883 return NGX_ERROR; | |
884 } | |
885 | |
886 b->temporary = 1; | |
887 b->last_buf = 1; | |
888 | |
2049 | 889 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
890 + sizeof("--" CRLF) - 1); | |
960 | 891 if (b->pos == NULL) { |
892 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
893 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
894 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
895 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
896 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 897 *b->last++ = '-'; *b->last++ = '-'; |
898 *b->last++ = CR; *b->last++ = LF; | |
899 | |
900 hcl = ngx_alloc_chain_link(r->pool); | |
901 if (hcl == NULL) { | |
902 return NGX_ERROR; | |
903 } | |
904 | |
905 hcl->buf = b; | |
906 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
907 |
960 | 908 *ll = hcl; |
909 | |
910 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
|
911 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
912 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
913 |
493 | 914 static ngx_int_t |
681 | 915 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
|
916 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
917 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
|
918 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
|
919 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
920 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
921 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
922 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
923 |
493 | 924 static ngx_int_t |
681 | 925 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
|
926 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
927 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
|
928 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
|
929 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
930 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
931 } |