Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_range_filter_module.c @ 8299:83c4622053b0
Upstream: fixed zero size buf alerts on extra data (ticket #2117).
After 7675:9afa45068b8f and 7678:bffcc5af1d72 (1.19.1), during non-buffered
simple proxying, responses with extra data might result in zero size buffers
being generated and "zero size buf" alerts in writer. This bug is similar
to the one with FastCGI proxying fixed in 7689:da8d758aabeb.
In non-buffered mode, normally the filter function is not called if
u->length is already 0, since u->length is checked after each call of
the filter function. There is a case when this can happen though: if
the response length is 0, and there are pre-read response body data left
after reading response headers. As such, a check for u->length is needed
at the start of non-buffered filter functions, similar to the one
for p->length present in buffered filter functions.
Appropriate checks added to the existing non-buffered copy filters
in the upstream (used by scgi and uwsgi proxying) and proxy modules.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 12 Jan 2021 16:59:31 +0300 |
parents | c30a20e06c21 |
children | d26db4f82d7d |
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); |
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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 | |
334
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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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parents:
314
diff
changeset
|
115 NULL, /* create main configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
4752060ca462
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
Igor Sysoev <igor@sysoev.ru>
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
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|
249 default: /* NGX_DECLINED */ |
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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 |
4058
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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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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 |
7067
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Parenthesized ASCII-related calculations.
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318 start = start * 10 + (*p++ - '0'); |
231
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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
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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') { |
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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
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334 } else { |
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335 suffix = 1; |
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336 p++; |
99
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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') { |
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344 if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { |
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345 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
346 } |
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|
347 |
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|
348 end = end * 10 + (*p++ - '0'); |
99
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349 } |
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|
350 |
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|
351 while (*p == ' ') { p++; } |
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|
352 |
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|
353 if (*p != ',' && *p != '\0') { |
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354 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
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|
355 } |
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|
356 |
231
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|
357 if (suffix) { |
7055
887c8c58ffeb
Range filter: avoid negative range start.
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|
358 start = (end < content_length) ? content_length - end : 0; |
4057
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|
359 end = content_length - 1; |
231
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360 } |
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361 |
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|
362 if (end >= content_length) { |
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|
363 end = content_length; |
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|
364 |
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|
365 } else { |
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366 end++; |
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|
367 } |
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|
368 |
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|
369 found: |
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|
370 |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
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4059
diff
changeset
|
371 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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diff
changeset
|
372 range = ngx_array_push(&ctx->ranges); |
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Style fix: removal of tabs introduced in the previous commit.
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|
373 if (range == NULL) { |
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Style fix: removal of tabs introduced in the previous commit.
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|
374 return NGX_ERROR; |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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diff
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|
375 } |
461 | 376 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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diff
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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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Style fix: removal of tabs introduced in the previous commit.
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parents:
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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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diff
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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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parents:
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changeset
|
389 |
aeaac3ccee4f
Range filter: allowed ranges on empty files (ticket #1031).
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390 } else if (start == 0) { |
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391 return NGX_DECLINED; |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
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392 } |
4056
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Now unsatisfiable ranges are processed according to RFC 2616.
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393 |
231
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394 if (*p++ != ',') { |
4035
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Now if total size of all ranges is greater than source response size,
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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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parents:
4056
diff
changeset
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403 if (size > content_length) { |
4035
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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 | |
2118
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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 |
2118
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427 r->headers_out.content_range = content_range; |
461 | 428 |
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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 |
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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
diff
changeset
|
435 content_range->hash = 0; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
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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 | |
2118
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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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changeset
|
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 { |
7090
a2f5e25d6a28
Range filter: changed type for total length to off_t.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7067
diff
changeset
|
466 off_t len; |
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|
467 size_t size; |
2118
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468 ngx_uint_t i; |
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|
469 ngx_http_range_t *range; |
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470 ngx_atomic_uint_t boundary; |
461 | 471 |
7090
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diff
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|
472 size = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
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|
473 + sizeof(CRLF "Content-Type: ") - 1 |
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|
474 + r->headers_out.content_type.len |
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changeset
|
475 + sizeof(CRLF "Content-Range: bytes ") - 1; |
461 | 476 |
5558
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
477 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
eeb3c2719147
Range filter: fixed duplicate charset.
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diff
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|
478 && r->headers_out.charset.len) |
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|
479 { |
7090
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|
480 size += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
461 | 481 } |
482 | |
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changeset
|
483 ctx->boundary_header.data = ngx_pnalloc(r->pool, size); |
501 | 484 if (ctx->boundary_header.data == NULL) { |
461 | 485 return NGX_ERROR; |
486 } | |
487 | |
493 | 488 boundary = ngx_next_temp_number(0); |
461 | 489 |
490 /* | |
491 * The boundary header of the range: | |
492 * CRLF | |
493 * "--0123456789" CRLF | |
494 * "Content-Type: image/jpeg" CRLF | |
495 * "Content-Range: bytes " | |
496 */ | |
497 | |
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diff
changeset
|
498 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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diff
changeset
|
499 && r->headers_out.charset.len) |
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changeset
|
500 { |
461 | 501 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 502 CRLF "--%0muA" CRLF |
461 | 503 "Content-Type: %V; charset=%V" CRLF |
504 "Content-Range: bytes ", | |
505 boundary, | |
509 | 506 &r->headers_out.content_type, |
461 | 507 &r->headers_out.charset) |
508 - ctx->boundary_header.data; | |
509 | |
2119
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510 } else if (r->headers_out.content_type.len) { |
461 | 511 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 512 CRLF "--%0muA" CRLF |
461 | 513 "Content-Type: %V" CRLF |
514 "Content-Range: bytes ", | |
515 boundary, | |
509 | 516 &r->headers_out.content_type) |
461 | 517 - ctx->boundary_header.data; |
2119
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518 |
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519 } else { |
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520 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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521 CRLF "--%0muA" CRLF |
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522 "Content-Range: bytes ", |
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523 boundary) |
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524 - ctx->boundary_header.data; |
461 | 525 } |
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|
526 |
509 | 527 r->headers_out.content_type.data = |
2049 | 528 ngx_pnalloc(r->pool, |
529 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
530 + NGX_ATOMIC_T_LEN); | |
165
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531 |
509 | 532 if (r->headers_out.content_type.data == NULL) { |
461 | 533 return NGX_ERROR; |
534 } | |
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|
535 |
2882
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
536 r->headers_out.content_type_lowcase = NULL; |
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
537 |
461 | 538 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
539 |
509 | 540 r->headers_out.content_type.len = |
541 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 542 "multipart/byteranges; boundary=%0muA", |
461 | 543 boundary) |
509 | 544 - r->headers_out.content_type.data; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
545 |
2882
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
546 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 547 |
5558
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
548 r->headers_out.charset.len = 0; |
eeb3c2719147
Range filter: fixed duplicate charset.
Ruslan Ermilov <ru@nginx.com>
parents:
5538
diff
changeset
|
549 |
461 | 550 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 551 |
552 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
|
553 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
554 range = ctx->ranges.elts; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
555 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 556 |
461 | 557 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 558 |
461 | 559 range[i].content_range.data = |
2049 | 560 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
|
561 |
461 | 562 if (range[i].content_range.data == NULL) { |
563 return NGX_ERROR; | |
564 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
565 |
461 | 566 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
567 "%O-%O/%O" CRLF CRLF, | |
568 range[i].start, range[i].end - 1, | |
569 r->headers_out.content_length_n) | |
570 - 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
|
571 |
461 | 572 len += ctx->boundary_header.len + range[i].content_range.len |
7090
a2f5e25d6a28
Range filter: changed type for total length to off_t.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7067
diff
changeset
|
573 + (range[i].end - range[i].start); |
461 | 574 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
575 |
461 | 576 r->headers_out.content_length_n = len; |
960 | 577 |
578 if (r->headers_out.content_length) { | |
579 r->headers_out.content_length->hash = 0; | |
580 r->headers_out.content_length = NULL; | |
581 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
582 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
583 return ngx_http_next_header_filter(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
584 } |
1630 | 585 |
586 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
587 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
588 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
|
589 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
590 ngx_table_elt_t *content_range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
591 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
592 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
|
593 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
594 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
|
595 if (content_range == NULL) { |
1630 | 596 return NGX_ERROR; |
597 } | |
598 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
599 r->headers_out.content_range = content_range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
600 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
601 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
602 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 603 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
604 content_range->value.data = ngx_pnalloc(r->pool, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
605 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
606 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
|
607 content_range->hash = 0; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6798
diff
changeset
|
608 r->headers_out.content_range = NULL; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
609 return NGX_ERROR; |
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 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
612 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
|
613 "bytes */%O", |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
614 r->headers_out.content_length_n) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
615 - content_range->value.data; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
616 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
617 ngx_http_clear_content_length(r); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
618 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
619 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
|
620 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
621 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
622 |
493 | 623 static ngx_int_t |
624 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
|
625 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
626 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
|
627 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
628 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
629 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
|
630 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
631 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
632 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
|
633 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
634 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
|
635 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
|
636 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
637 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
638 if (ctx->ranges.nelts == 1) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
639 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
|
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 /* |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
643 * 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
|
644 */ |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
645 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
646 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
647 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
648 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
649 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
650 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
|
651 return NGX_ERROR; |
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 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
654 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
|
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 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
658 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
659 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
|
660 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
|
661 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
662 off_t start, last; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
663 ngx_buf_t *buf; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
664 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
665 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
666 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
667 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
668 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
669 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
670 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
671 buf = in->buf; |
960 | 672 |
673 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
674 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
675 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
676 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
677 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
|
678 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
|
679 if (start > range[i].start || last < range[i].end) { |
6474 | 680 goto overlapped; |
960 | 681 } |
682 } | |
683 } | |
684 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
685 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
686 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
687 return NGX_OK; |
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 overlapped: |
960 | 690 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
691 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
|
692 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
693 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
694 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
695 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
696 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
697 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
698 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
699 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
700 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
|
701 { |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
702 off_t start, last; |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
703 ngx_int_t rc; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
704 ngx_buf_t *buf; |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
705 ngx_chain_t *out, *cl, *tl, **ll; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
706 ngx_http_range_t *range; |
960 | 707 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
708 out = NULL; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
709 ll = &out; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
710 range = ctx->ranges.elts; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
711 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
712 for (cl = in; cl; cl = cl->next) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
713 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
714 buf = cl->buf; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
715 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
716 start = ctx->offset; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
717 last = ctx->offset + ngx_buf_size(buf); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
718 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
719 ctx->offset = last; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
720 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
721 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
722 "http range body buf: %O-%O", start, last); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
723 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
724 if (ngx_buf_special(buf)) { |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
725 |
7508
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
726 if (range->end <= start) { |
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
727 continue; |
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
728 } |
c30a20e06c21
Range filter: fixed duplicate last buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7507
diff
changeset
|
729 |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
730 tl = ngx_alloc_chain_link(r->pool); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
731 if (tl == NULL) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
732 return NGX_ERROR; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
733 } |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
734 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
735 tl->buf = buf; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
736 tl->next = NULL; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
737 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
738 *ll = tl; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
739 ll = &tl->next; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
740 |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
741 continue; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
742 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
743 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
744 if (range->end <= start || range->start >= last) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
745 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
746 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
747 "http range body skip"); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
748 |
2269 | 749 if (buf->in_file) { |
750 buf->file_pos = buf->file_last; | |
751 } | |
752 | |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
753 buf->pos = buf->last; |
2269 | 754 buf->sync = 1; |
755 | |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
756 continue; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
757 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
758 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
759 if (range->start > start) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
760 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
761 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
762 buf->file_pos += range->start - start; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
763 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
764 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
765 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
766 buf->pos += (size_t) (range->start - start); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
767 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
768 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
769 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
770 if (range->end <= last) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
771 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
772 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
773 buf->file_last -= last - range->end; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
774 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
775 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
776 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
777 buf->last -= (size_t) (last - range->end); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
778 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
779 |
6722
6136a51f9c21
Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
6480
diff
changeset
|
780 buf->last_buf = (r == r->main) ? 1 : 0; |
6136a51f9c21
Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
6480
diff
changeset
|
781 buf->last_in_chain = 1; |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
782 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
783 tl = ngx_alloc_chain_link(r->pool); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
784 if (tl == NULL) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
785 return NGX_ERROR; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
786 } |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
787 |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
788 tl->buf = buf; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
789 tl->next = NULL; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
790 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
791 *ll = tl; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
792 ll = &tl->next; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
793 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
794 continue; |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
795 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
796 |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
797 tl = ngx_alloc_chain_link(r->pool); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
798 if (tl == NULL) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
799 return NGX_ERROR; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
800 } |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
801 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
802 tl->buf = buf; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
803 tl->next = NULL; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
804 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
805 *ll = tl; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
806 ll = &tl->next; |
960 | 807 } |
808 | |
7507
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
809 rc = ngx_http_next_body_filter(r, out); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
810 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
811 while (out) { |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
812 cl = out; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
813 out = out->next; |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7090
diff
changeset
|
814 ngx_free_chain(r->pool, cl); |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
815 } |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
816 |
ea05113adbdb
Range filter: fixed loss of incoming chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
817 return rc; |
2118
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
818 } |
c1f589732d8c
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parents:
2049
diff
changeset
|
819 |
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2049
diff
changeset
|
820 |
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|
821 static ngx_int_t |
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diff
changeset
|
822 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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diff
changeset
|
823 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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Igor Sysoev <igor@sysoev.ru>
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|
824 { |
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split ngx_http_range_filter_module
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|
825 ngx_buf_t *b, *buf; |
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|
826 ngx_uint_t i; |
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parents:
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changeset
|
827 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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changeset
|
828 ngx_http_range_t *range; |
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changeset
|
829 |
960 | 830 ll = &out; |
2118
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diff
changeset
|
831 buf = in->buf; |
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
832 range = ctx->ranges.elts; |
160
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nginx-0.0.1-2003-10-27-11:53:49 import
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diff
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|
833 |
963
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
834 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
835 |
960 | 836 /* |
837 * The boundary header of the range: | |
838 * CRLF | |
839 * "--0123456789" CRLF | |
840 * "Content-Type: image/jpeg" CRLF | |
841 * "Content-Range: bytes " | |
842 */ | |
843 | |
844 b = ngx_calloc_buf(r->pool); | |
845 if (b == NULL) { | |
846 return NGX_ERROR; | |
99
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parents:
diff
changeset
|
847 } |
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parents:
diff
changeset
|
848 |
960 | 849 b->memory = 1; |
850 b->pos = ctx->boundary_header.data; | |
851 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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155
diff
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|
852 |
960 | 853 hcl = ngx_alloc_chain_link(r->pool); |
854 if (hcl == NULL) { | |
855 return NGX_ERROR; | |
856 } | |
461 | 857 |
960 | 858 hcl->buf = b; |
99
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parents:
diff
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|
859 |
461 | 860 |
960 | 861 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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155
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|
862 |
501 | 863 b = ngx_calloc_buf(r->pool); |
864 if (b == NULL) { | |
461 | 865 return NGX_ERROR; |
866 } | |
867 | |
343
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335
diff
changeset
|
868 b->temporary = 1; |
960 | 869 b->pos = range[i].content_range.data; |
870 b->last = range[i].content_range.data + range[i].content_range.len; | |
871 | |
872 rcl = ngx_alloc_chain_link(r->pool); | |
873 if (rcl == NULL) { | |
874 return NGX_ERROR; | |
875 } | |
876 | |
877 rcl->buf = b; | |
878 | |
879 | |
880 /* the range data */ | |
461 | 881 |
960 | 882 b = ngx_calloc_buf(r->pool); |
883 if (b == NULL) { | |
884 return NGX_ERROR; | |
885 } | |
886 | |
962
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parents:
961
diff
changeset
|
887 b->in_file = buf->in_file; |
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
888 b->temporary = buf->temporary; |
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
889 b->memory = buf->memory; |
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parents:
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diff
changeset
|
890 b->mmap = buf->mmap; |
960 | 891 b->file = buf->file; |
892 | |
962
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
893 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
894 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
895 b->file_last = buf->file_pos + range[i].end; |
962
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support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
896 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
897 |
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
898 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
|
899 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
|
900 b->last = buf->pos + (size_t) range[i].end; |
962
69754fb59ba1
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
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|
901 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
902 |
960 | 903 dcl = ngx_alloc_chain_link(r->pool); |
904 if (dcl == NULL) { | |
461 | 905 return NGX_ERROR; |
906 } | |
907 | |
960 | 908 dcl->buf = b; |
461 | 909 |
155
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diff
changeset
|
910 *ll = hcl; |
960 | 911 hcl->next = rcl; |
912 rcl->next = dcl; | |
913 ll = &dcl->next; | |
914 } | |
99
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parents:
diff
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|
915 |
960 | 916 /* the last boundary CRLF "--0123456789--" CRLF */ |
917 | |
918 b = ngx_calloc_buf(r->pool); | |
919 if (b == NULL) { | |
920 return NGX_ERROR; | |
921 } | |
922 | |
923 b->temporary = 1; | |
924 b->last_buf = 1; | |
925 | |
2049 | 926 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
927 + sizeof("--" CRLF) - 1); | |
960 | 928 if (b->pos == NULL) { |
929 return NGX_ERROR; | |
99
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
930 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
931 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
932 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
933 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 934 *b->last++ = '-'; *b->last++ = '-'; |
935 *b->last++ = CR; *b->last++ = LF; | |
936 | |
937 hcl = ngx_alloc_chain_link(r->pool); | |
938 if (hcl == NULL) { | |
939 return NGX_ERROR; | |
940 } | |
941 | |
942 hcl->buf = b; | |
943 hcl->next = NULL; | |
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
944 |
960 | 945 *ll = hcl; |
946 | |
947 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
|
948 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
949 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
950 |
493 | 951 static ngx_int_t |
681 | 952 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
|
953 { |
155
46eb23d9471d
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parents:
153
diff
changeset
|
954 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
|
955 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
|
956 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
957 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
958 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
959 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
960 |
493 | 961 static ngx_int_t |
681 | 962 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
|
963 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
964 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
|
965 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
|
966 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
967 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
968 } |