Mercurial > hg > nginx
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 4253:6efec8b1ff52 stable-1.0
Merging r4193, r4194:
Autoindex fixes:
*) Autoindex: escape '?' in file names.
For files with '?' in their names autoindex generated links with '?' not
escaped. This resulted in effectively truncated links as '?' indicates
query string start.
This is an updated version of the patch originally posted at [1]. It
introduces generic NGX_ESCAPE_URI_COMPONENT which escapes everything but
unreserved characters as per RFC 3986. This approach also renders unneeded
special colon processing (as colon is percent-encoded now), it's dropped
accordingly.
[1] http://nginx.org/pipermail/nginx-devel/2010-February/000112.html
*) Autoindex: escape html in file names.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 01 Nov 2011 14:09:15 +0000 |
parents | 525a34d74a0a |
children | 4919fb357a5d |
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 |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
4166 | 12 typedef struct { |
13 ngx_chain_t *free; | |
14 ngx_chain_t *busy; | |
15 } ngx_http_chunked_filter_ctx_t; | |
16 | |
17 | |
681 | 18 static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf); |
99
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19 |
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20 |
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21 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { |
509 | 22 NULL, /* preconfiguration */ |
681 | 23 ngx_http_chunked_filter_init, /* postconfiguration */ |
177
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24 |
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25 NULL, /* create main configuration */ |
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26 NULL, /* init main configuration */ |
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27 |
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28 NULL, /* create server configuration */ |
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29 NULL, /* merge server configuration */ |
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30 |
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31 NULL, /* create location configuration */ |
629 | 32 NULL /* merge location configuration */ |
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33 }; |
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34 |
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35 |
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36 ngx_module_t ngx_http_chunked_filter_module = { |
509 | 37 NGX_MODULE_V1, |
99
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38 &ngx_http_chunked_filter_module_ctx, /* module context */ |
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39 NULL, /* module directives */ |
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40 NGX_HTTP_MODULE, /* module type */ |
541 | 41 NULL, /* init master */ |
681 | 42 NULL, /* init module */ |
541 | 43 NULL, /* init process */ |
44 NULL, /* init thread */ | |
45 NULL, /* exit thread */ | |
46 NULL, /* exit process */ | |
47 NULL, /* exit master */ | |
48 NGX_MODULE_V1_PADDING | |
99
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49 }; |
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50 |
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51 |
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52 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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53 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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54 |
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55 |
501 | 56 static ngx_int_t |
57 ngx_http_chunked_header_filter(ngx_http_request_t *r) | |
99
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58 { |
4166 | 59 ngx_http_core_loc_conf_t *clcf; |
60 ngx_http_chunked_filter_ctx_t *ctx; | |
3484 | 61 |
615 | 62 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED |
63 || r->headers_out.status == NGX_HTTP_NO_CONTENT | |
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64 || r != r->main |
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65 || (r->method & NGX_HTTP_HEAD)) |
615 | 66 { |
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67 return ngx_http_next_header_filter(r); |
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68 } |
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69 |
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70 if (r->headers_out.content_length_n == -1) { |
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71 if (r->http_version < NGX_HTTP_VERSION_11) { |
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72 r->keepalive = 0; |
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73 |
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74 } else { |
3484 | 75 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
76 | |
77 if (clcf->chunked_transfer_encoding) { | |
78 r->chunked = 1; | |
79 | |
4166 | 80 ctx = ngx_pcalloc(r->pool, |
81 sizeof(ngx_http_chunked_filter_ctx_t)); | |
82 if (ctx == NULL) { | |
83 return NGX_ERROR; | |
84 } | |
85 | |
86 ngx_http_set_ctx(r, ctx, ngx_http_chunked_filter_module); | |
87 | |
3484 | 88 } else { |
89 r->keepalive = 0; | |
90 } | |
99
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91 } |
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92 } |
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93 |
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94 return ngx_http_next_header_filter(r); |
99
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95 } |
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96 |
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97 |
501 | 98 static ngx_int_t |
99 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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100 { |
4166 | 101 u_char *chunk; |
102 off_t size; | |
103 ngx_int_t rc; | |
104 ngx_buf_t *b; | |
105 ngx_chain_t *out, *cl, *tl, **ll; | |
106 ngx_http_chunked_filter_ctx_t *ctx; | |
99
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107 |
483 | 108 if (in == NULL || !r->chunked || r->header_only) { |
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109 return ngx_http_next_body_filter(r, in); |
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110 } |
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111 |
4166 | 112 ctx = ngx_http_get_module_ctx(r, ngx_http_chunked_filter_module); |
113 | |
114 out = NULL; | |
115 ll = &out; | |
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116 |
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117 size = 0; |
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118 cl = in; |
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119 |
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120 for ( ;; ) { |
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121 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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122 "http chunk: %d", ngx_buf_size(cl->buf)); |
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123 |
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124 size += ngx_buf_size(cl->buf); |
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125 |
667 | 126 if (cl->buf->flush |
127 || cl->buf->sync | |
128 || ngx_buf_in_memory(cl->buf) | |
129 || cl->buf->in_file) | |
130 { | |
501 | 131 tl = ngx_alloc_chain_link(r->pool); |
132 if (tl == NULL) { | |
461 | 133 return NGX_ERROR; |
134 } | |
135 | |
452 | 136 tl->buf = cl->buf; |
137 *ll = tl; | |
138 ll = &tl->next; | |
139 } | |
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140 |
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141 if (cl->next == NULL) { |
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142 break; |
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143 } |
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144 |
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145 cl = cl->next; |
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146 } |
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147 |
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148 if (size) { |
4166 | 149 tl = ngx_chain_get_free_buf(r->pool, &ctx->free); |
150 if (tl == NULL) { | |
455 | 151 return NGX_ERROR; |
152 } | |
153 | |
4166 | 154 b = tl->buf; |
155 chunk = b->start; | |
156 | |
157 if (chunk == NULL) { | |
158 /* the "0000000000000000" is 64-bit hexadecimal string */ | |
501 | 159 |
4166 | 160 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
161 if (chunk == NULL) { | |
162 return NGX_ERROR; | |
163 } | |
164 | |
165 b->start = chunk; | |
166 b->end = chunk + sizeof("0000000000000000" CRLF) - 1; | |
455 | 167 } |
168 | |
4166 | 169 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; |
170 b->memory = 0; | |
455 | 171 b->temporary = 1; |
172 b->pos = chunk; | |
473 | 173 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 174 |
4166 | 175 tl->next = out; |
176 out = tl; | |
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177 } |
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178 |
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179 if (cl->buf->last_buf) { |
4166 | 180 tl = ngx_chain_get_free_buf(r->pool, &ctx->free); |
181 if (tl == NULL) { | |
461 | 182 return NGX_ERROR; |
183 } | |
184 | |
4166 | 185 b = tl->buf; |
186 | |
187 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; | |
188 b->temporary = 0; | |
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189 b->memory = 1; |
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190 b->last_buf = 1; |
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191 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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192 b->last = b->pos + 7; |
99
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193 |
343
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194 cl->buf->last_buf = 0; |
336
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195 |
4166 | 196 *ll = tl; |
197 | |
336
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198 if (size == 0) { |
343
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199 b->pos += 2; |
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200 } |
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201 |
4166 | 202 } else if (size > 0) { |
203 tl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
204 if (tl == NULL) { | |
461 | 205 return NGX_ERROR; |
206 } | |
207 | |
4166 | 208 b = tl->buf; |
209 | |
210 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; | |
211 b->temporary = 0; | |
343
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212 b->memory = 1; |
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213 b->pos = (u_char *) CRLF; |
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214 b->last = b->pos + 2; |
4166 | 215 |
216 *ll = tl; | |
217 | |
218 } else { | |
219 *ll = NULL; | |
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nginx-0.0.1-2003-06-02-19:24:30 import
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220 } |
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221 |
4166 | 222 rc = ngx_http_next_body_filter(r, out); |
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223 |
4166 | 224 ngx_chain_update_chains(&ctx->free, &ctx->busy, &out, |
225 (ngx_buf_tag_t) &ngx_http_chunked_filter_module); | |
226 | |
227 return rc; | |
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228 } |
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229 |
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230 |
501 | 231 static ngx_int_t |
681 | 232 ngx_http_chunked_filter_init(ngx_conf_t *cf) |
99
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233 { |
155
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234 ngx_http_next_header_filter = ngx_http_top_header_filter; |
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235 ngx_http_top_header_filter = ngx_http_chunked_header_filter; |
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236 |
155
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237 ngx_http_next_body_filter = ngx_http_top_body_filter; |
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238 ngx_http_top_body_filter = ngx_http_chunked_body_filter; |
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239 |
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240 return NGX_OK; |
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241 } |