diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_range_filter_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_range_filter_module.c | 920 |
1 files changed, 0 insertions, 920 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_range_filter_module.c b/app/nginx/src/http/modules/ngx_http_range_filter_module.c deleted file mode 100644 index 951a00d..0000000 --- a/app/nginx/src/http/modules/ngx_http_range_filter_module.c +++ /dev/null @@ -1,920 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -/* - * the single part format: - * - * "HTTP/1.0 206 Partial Content" CRLF - * ... header ... - * "Content-Type: image/jpeg" CRLF - * "Content-Length: SIZE" CRLF - * "Content-Range: bytes START-END/SIZE" CRLF - * CRLF - * ... data ... - * - * - * the multipart format: - * - * "HTTP/1.0 206 Partial Content" CRLF - * ... header ... - * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF - * CRLF - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes START0-END0/SIZE" CRLF - * CRLF - * ... data ... - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes START1-END1/SIZE" CRLF - * CRLF - * ... data ... - * CRLF - * "--0123456789--" CRLF - */ - - -typedef struct { - off_t start; - off_t end; - ngx_str_t content_range; -} ngx_http_range_t; - - -typedef struct { - off_t offset; - ngx_str_t boundary_header; - ngx_array_t ranges; -} ngx_http_range_filter_ctx_t; - - -static ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_uint_t ranges); -static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx); -static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx); -static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); -static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); -static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); -static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); - -static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); -static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); - - -static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_range_header_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL, /* merge location configuration */ -}; - - -ngx_module_t ngx_http_range_header_filter_module = { - NGX_MODULE_V1, - &ngx_http_range_header_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_range_body_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL, /* merge location configuration */ -}; - - -ngx_module_t ngx_http_range_body_filter_module = { - NGX_MODULE_V1, - &ngx_http_range_body_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_range_header_filter(ngx_http_request_t *r) -{ - time_t if_range_time; - ngx_str_t *if_range, *etag; - ngx_uint_t ranges; - ngx_http_core_loc_conf_t *clcf; - ngx_http_range_filter_ctx_t *ctx; - - if (r->http_version < NGX_HTTP_VERSION_10 - || r->headers_out.status != NGX_HTTP_OK - || (r != r->main && !r->subrequest_ranges) - || r->headers_out.content_length_n == -1 - || !r->allow_ranges) - { - return ngx_http_next_header_filter(r); - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->max_ranges == 0) { - return ngx_http_next_header_filter(r); - } - - if (r->headers_in.range == NULL - || r->headers_in.range->value.len < 7 - || ngx_strncasecmp(r->headers_in.range->value.data, - (u_char *) "bytes=", 6) - != 0) - { - goto next_filter; - } - - if (r->headers_in.if_range) { - - if_range = &r->headers_in.if_range->value; - - if (if_range->len >= 2 && if_range->data[if_range->len - 1] == '"') { - - if (r->headers_out.etag == NULL) { - goto next_filter; - } - - etag = &r->headers_out.etag->value; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ir:%V etag:%V", if_range, etag); - - if (if_range->len != etag->len - || ngx_strncmp(if_range->data, etag->data, etag->len) != 0) - { - goto next_filter; - } - - goto parse; - } - - if (r->headers_out.last_modified_time == (time_t) -1) { - goto next_filter; - } - - if_range_time = ngx_parse_http_time(if_range->data, if_range->len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ir:%T lm:%T", - if_range_time, r->headers_out.last_modified_time); - - if (if_range_time != r->headers_out.last_modified_time) { - goto next_filter; - } - } - -parse: - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ctx->offset = r->headers_out.content_offset; - - ranges = r->single_range ? 1 : clcf->max_ranges; - - switch (ngx_http_range_parse(r, ctx, ranges)) { - - case NGX_OK: - ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); - - r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; - r->headers_out.status_line.len = 0; - - if (ctx->ranges.nelts == 1) { - return ngx_http_range_singlepart_header(r, ctx); - } - - return ngx_http_range_multipart_header(r, ctx); - - case NGX_HTTP_RANGE_NOT_SATISFIABLE: - return ngx_http_range_not_satisfiable(r); - - case NGX_ERROR: - return NGX_ERROR; - - default: /* NGX_DECLINED */ - break; - } - -next_filter: - - r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.accept_ranges == NULL) { - return NGX_ERROR; - } - - r->headers_out.accept_ranges->hash = 1; - ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); - ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, - ngx_uint_t ranges) -{ - u_char *p; - off_t start, end, size, content_length, cutoff, - cutlim; - ngx_uint_t suffix; - ngx_http_range_t *range; - ngx_http_range_filter_ctx_t *mctx; - - if (r != r->main) { - mctx = ngx_http_get_module_ctx(r->main, - ngx_http_range_body_filter_module); - if (mctx) { - ctx->ranges = mctx->ranges; - return NGX_OK; - } - } - - if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - p = r->headers_in.range->value.data + 6; - size = 0; - content_length = r->headers_out.content_length_n; - - cutoff = NGX_MAX_OFF_T_VALUE / 10; - cutlim = NGX_MAX_OFF_T_VALUE % 10; - - for ( ;; ) { - start = 0; - end = 0; - suffix = 0; - - while (*p == ' ') { p++; } - - if (*p != '-') { - if (*p < '0' || *p > '9') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - while (*p >= '0' && *p <= '9') { - if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - start = start * 10 + *p++ - '0'; - } - - while (*p == ' ') { p++; } - - if (*p++ != '-') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - while (*p == ' ') { p++; } - - if (*p == ',' || *p == '\0') { - end = content_length; - goto found; - } - - } else { - suffix = 1; - p++; - } - - if (*p < '0' || *p > '9') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - while (*p >= '0' && *p <= '9') { - if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - end = end * 10 + *p++ - '0'; - } - - while (*p == ' ') { p++; } - - if (*p != ',' && *p != '\0') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - if (suffix) { - start = content_length - end; - end = content_length - 1; - } - - if (end >= content_length) { - end = content_length; - - } else { - end++; - } - - found: - - if (start < end) { - range = ngx_array_push(&ctx->ranges); - if (range == NULL) { - return NGX_ERROR; - } - - range->start = start; - range->end = end; - - size += end - start; - - if (ranges-- == 0) { - return NGX_DECLINED; - } - } - - if (*p++ != ',') { - break; - } - } - - if (ctx->ranges.nelts == 0) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - if (size > content_length) { - return NGX_DECLINED; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_range_singlepart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx) -{ - ngx_table_elt_t *content_range; - ngx_http_range_t *range; - - if (r != r->main) { - return ngx_http_next_header_filter(r); - } - - content_range = ngx_list_push(&r->headers_out.headers); - if (content_range == NULL) { - return NGX_ERROR; - } - - r->headers_out.content_range = content_range; - - content_range->hash = 1; - ngx_str_set(&content_range->key, "Content-Range"); - - content_range->value.data = ngx_pnalloc(r->pool, - sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); - if (content_range->value.data == NULL) { - return NGX_ERROR; - } - - /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ - - range = ctx->ranges.elts; - - content_range->value.len = ngx_sprintf(content_range->value.data, - "bytes %O-%O/%O", - range->start, range->end - 1, - r->headers_out.content_length_n) - - content_range->value.data; - - r->headers_out.content_length_n = range->end - range->start; - r->headers_out.content_offset = range->start; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_range_multipart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx) -{ - size_t len; - ngx_uint_t i; - ngx_http_range_t *range; - ngx_atomic_uint_t boundary; - - len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN - + sizeof(CRLF "Content-Type: ") - 1 - + r->headers_out.content_type.len - + sizeof(CRLF "Content-Range: bytes ") - 1; - - if (r->headers_out.content_type_len == r->headers_out.content_type.len - && r->headers_out.charset.len) - { - len += sizeof("; charset=") - 1 + r->headers_out.charset.len; - } - - ctx->boundary_header.data = ngx_pnalloc(r->pool, len); - if (ctx->boundary_header.data == NULL) { - return NGX_ERROR; - } - - boundary = ngx_next_temp_number(0); - - /* - * The boundary header of the range: - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes " - */ - - if (r->headers_out.content_type_len == r->headers_out.content_type.len - && r->headers_out.charset.len) - { - ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, - CRLF "--%0muA" CRLF - "Content-Type: %V; charset=%V" CRLF - "Content-Range: bytes ", - boundary, - &r->headers_out.content_type, - &r->headers_out.charset) - - ctx->boundary_header.data; - - } else if (r->headers_out.content_type.len) { - ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, - CRLF "--%0muA" CRLF - "Content-Type: %V" CRLF - "Content-Range: bytes ", - boundary, - &r->headers_out.content_type) - - ctx->boundary_header.data; - - } else { - ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, - CRLF "--%0muA" CRLF - "Content-Range: bytes ", - boundary) - - ctx->boundary_header.data; - } - - r->headers_out.content_type.data = - ngx_pnalloc(r->pool, - sizeof("Content-Type: multipart/byteranges; boundary=") - 1 - + NGX_ATOMIC_T_LEN); - - if (r->headers_out.content_type.data == NULL) { - return NGX_ERROR; - } - - r->headers_out.content_type_lowcase = NULL; - - /* "Content-Type: multipart/byteranges; boundary=0123456789" */ - - r->headers_out.content_type.len = - ngx_sprintf(r->headers_out.content_type.data, - "multipart/byteranges; boundary=%0muA", - boundary) - - r->headers_out.content_type.data; - - r->headers_out.content_type_len = r->headers_out.content_type.len; - - r->headers_out.charset.len = 0; - - /* the size of the last boundary CRLF "--0123456789--" CRLF */ - - len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; - - range = ctx->ranges.elts; - for (i = 0; i < ctx->ranges.nelts; i++) { - - /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ - - range[i].content_range.data = - ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); - - if (range[i].content_range.data == NULL) { - return NGX_ERROR; - } - - range[i].content_range.len = ngx_sprintf(range[i].content_range.data, - "%O-%O/%O" CRLF CRLF, - range[i].start, range[i].end - 1, - r->headers_out.content_length_n) - - range[i].content_range.data; - - len += ctx->boundary_header.len + range[i].content_range.len - + (size_t) (range[i].end - range[i].start); - } - - r->headers_out.content_length_n = len; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_range_not_satisfiable(ngx_http_request_t *r) -{ - ngx_table_elt_t *content_range; - - r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; - - content_range = ngx_list_push(&r->headers_out.headers); - if (content_range == NULL) { - return NGX_ERROR; - } - - r->headers_out.content_range = content_range; - - content_range->hash = 1; - ngx_str_set(&content_range->key, "Content-Range"); - - content_range->value.data = ngx_pnalloc(r->pool, - sizeof("bytes */") - 1 + NGX_OFF_T_LEN); - if (content_range->value.data == NULL) { - return NGX_ERROR; - } - - content_range->value.len = ngx_sprintf(content_range->value.data, - "bytes */%O", - r->headers_out.content_length_n) - - content_range->value.data; - - ngx_http_clear_content_length(r); - - return NGX_HTTP_RANGE_NOT_SATISFIABLE; -} - - -static ngx_int_t -ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_http_range_filter_ctx_t *ctx; - - if (in == NULL) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); - - if (ctx == NULL) { - return ngx_http_next_body_filter(r, in); - } - - if (ctx->ranges.nelts == 1) { - return ngx_http_range_singlepart_body(r, ctx, in); - } - - /* - * multipart ranges are supported only if whole body is in a single buffer - */ - - if (ngx_buf_special(in->buf)) { - return ngx_http_next_body_filter(r, in); - } - - if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { - return NGX_ERROR; - } - - return ngx_http_range_multipart_body(r, ctx, in); -} - - -static ngx_int_t -ngx_http_range_test_overlapped(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) -{ - off_t start, last; - ngx_buf_t *buf; - ngx_uint_t i; - ngx_http_range_t *range; - - if (ctx->offset) { - goto overlapped; - } - - buf = in->buf; - - if (!buf->last_buf) { - start = ctx->offset; - last = ctx->offset + ngx_buf_size(buf); - - range = ctx->ranges.elts; - for (i = 0; i < ctx->ranges.nelts; i++) { - if (start > range[i].start || last < range[i].end) { - goto overlapped; - } - } - } - - ctx->offset = ngx_buf_size(buf); - - return NGX_OK; - -overlapped: - - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "range in overlapped buffers"); - - return NGX_ERROR; -} - - -static ngx_int_t -ngx_http_range_singlepart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) -{ - off_t start, last; - ngx_buf_t *buf; - ngx_chain_t *out, *cl, **ll; - ngx_http_range_t *range; - - out = NULL; - ll = &out; - range = ctx->ranges.elts; - - for (cl = in; cl; cl = cl->next) { - - buf = cl->buf; - - start = ctx->offset; - last = ctx->offset + ngx_buf_size(buf); - - ctx->offset = last; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http range body buf: %O-%O", start, last); - - if (ngx_buf_special(buf)) { - *ll = cl; - ll = &cl->next; - continue; - } - - if (range->end <= start || range->start >= last) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http range body skip"); - - if (buf->in_file) { - buf->file_pos = buf->file_last; - } - - buf->pos = buf->last; - buf->sync = 1; - - continue; - } - - if (range->start > start) { - - if (buf->in_file) { - buf->file_pos += range->start - start; - } - - if (ngx_buf_in_memory(buf)) { - buf->pos += (size_t) (range->start - start); - } - } - - if (range->end <= last) { - - if (buf->in_file) { - buf->file_last -= last - range->end; - } - - if (ngx_buf_in_memory(buf)) { - buf->last -= (size_t) (last - range->end); - } - - buf->last_buf = (r == r->main) ? 1 : 0; - buf->last_in_chain = 1; - *ll = cl; - cl->next = NULL; - - break; - } - - *ll = cl; - ll = &cl->next; - } - - if (out == NULL) { - return NGX_OK; - } - - return ngx_http_next_body_filter(r, out); -} - - -static ngx_int_t -ngx_http_range_multipart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) -{ - ngx_buf_t *b, *buf; - ngx_uint_t i; - ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; - ngx_http_range_t *range; - - ll = &out; - buf = in->buf; - range = ctx->ranges.elts; - - for (i = 0; i < ctx->ranges.nelts; i++) { - - /* - * The boundary header of the range: - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes " - */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->memory = 1; - b->pos = ctx->boundary_header.data; - b->last = ctx->boundary_header.data + ctx->boundary_header.len; - - hcl = ngx_alloc_chain_link(r->pool); - if (hcl == NULL) { - return NGX_ERROR; - } - - hcl->buf = b; - - - /* "SSSS-EEEE/TTTT" CRLF CRLF */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->temporary = 1; - b->pos = range[i].content_range.data; - b->last = range[i].content_range.data + range[i].content_range.len; - - rcl = ngx_alloc_chain_link(r->pool); - if (rcl == NULL) { - return NGX_ERROR; - } - - rcl->buf = b; - - - /* the range data */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->in_file = buf->in_file; - b->temporary = buf->temporary; - b->memory = buf->memory; - b->mmap = buf->mmap; - b->file = buf->file; - - if (buf->in_file) { - b->file_pos = buf->file_pos + range[i].start; - b->file_last = buf->file_pos + range[i].end; - } - - if (ngx_buf_in_memory(buf)) { - b->pos = buf->pos + (size_t) range[i].start; - b->last = buf->pos + (size_t) range[i].end; - } - - dcl = ngx_alloc_chain_link(r->pool); - if (dcl == NULL) { - return NGX_ERROR; - } - - dcl->buf = b; - - *ll = hcl; - hcl->next = rcl; - rcl->next = dcl; - ll = &dcl->next; - } - - /* the last boundary CRLF "--0123456789--" CRLF */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->temporary = 1; - b->last_buf = 1; - - b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN - + sizeof("--" CRLF) - 1); - if (b->pos == NULL) { - return NGX_ERROR; - } - - b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, - sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); - *b->last++ = '-'; *b->last++ = '-'; - *b->last++ = CR; *b->last++ = LF; - - hcl = ngx_alloc_chain_link(r->pool); - if (hcl == NULL) { - return NGX_ERROR; - } - - hcl->buf = b; - hcl->next = NULL; - - *ll = hcl; - - return ngx_http_next_body_filter(r, out); -} - - -static ngx_int_t -ngx_http_range_header_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_range_header_filter; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_range_body_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_range_body_filter; - - return NGX_OK; -} |