diff options
Diffstat (limited to 'app/nginx/src/http/ngx_http_special_response.c')
| -rw-r--r-- | app/nginx/src/http/ngx_http_special_response.c | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/app/nginx/src/http/ngx_http_special_response.c b/app/nginx/src/http/ngx_http_special_response.c deleted file mode 100644 index c9b1017..0000000 --- a/app/nginx/src/http/ngx_http_special_response.c +++ /dev/null @@ -1,828 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <nginx.h> - - -static ngx_int_t ngx_http_send_error_page(ngx_http_request_t *r, - ngx_http_err_page_t *err_page); -static ngx_int_t ngx_http_send_special_response(ngx_http_request_t *r, - ngx_http_core_loc_conf_t *clcf, ngx_uint_t err); -static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r); - - -static u_char ngx_http_error_full_tail[] = -"<hr><center>" NGINX_VER "</center>" CRLF -"</body>" CRLF -"</html>" CRLF -; - - -static u_char ngx_http_error_build_tail[] = -"<hr><center>" NGINX_VER_BUILD "</center>" CRLF -"</body>" CRLF -"</html>" CRLF -; - - -static u_char ngx_http_error_tail[] = -"<hr><center>nginx</center>" CRLF -"</body>" CRLF -"</html>" CRLF -; - - -static u_char ngx_http_msie_padding[] = -"<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF -"<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF -"<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF -"<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF -"<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF -"<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF -; - - -static u_char ngx_http_msie_refresh_head[] = -"<html><head><meta http-equiv=\"Refresh\" content=\"0; URL="; - - -static u_char ngx_http_msie_refresh_tail[] = -"\"></head><body></body></html>" CRLF; - - -static char ngx_http_error_301_page[] = -"<html>" CRLF -"<head><title>301 Moved Permanently</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>301 Moved Permanently</h1></center>" CRLF -; - - -static char ngx_http_error_302_page[] = -"<html>" CRLF -"<head><title>302 Found</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>302 Found</h1></center>" CRLF -; - - -static char ngx_http_error_303_page[] = -"<html>" CRLF -"<head><title>303 See Other</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>303 See Other</h1></center>" CRLF -; - - -static char ngx_http_error_307_page[] = -"<html>" CRLF -"<head><title>307 Temporary Redirect</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>307 Temporary Redirect</h1></center>" CRLF -; - - -static char ngx_http_error_400_page[] = -"<html>" CRLF -"<head><title>400 Bad Request</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>400 Bad Request</h1></center>" CRLF -; - - -static char ngx_http_error_401_page[] = -"<html>" CRLF -"<head><title>401 Authorization Required</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>401 Authorization Required</h1></center>" CRLF -; - - -static char ngx_http_error_402_page[] = -"<html>" CRLF -"<head><title>402 Payment Required</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>402 Payment Required</h1></center>" CRLF -; - - -static char ngx_http_error_403_page[] = -"<html>" CRLF -"<head><title>403 Forbidden</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>403 Forbidden</h1></center>" CRLF -; - - -static char ngx_http_error_404_page[] = -"<html>" CRLF -"<head><title>404 Not Found</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>404 Not Found</h1></center>" CRLF -; - - -static char ngx_http_error_405_page[] = -"<html>" CRLF -"<head><title>405 Not Allowed</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>405 Not Allowed</h1></center>" CRLF -; - - -static char ngx_http_error_406_page[] = -"<html>" CRLF -"<head><title>406 Not Acceptable</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>406 Not Acceptable</h1></center>" CRLF -; - - -static char ngx_http_error_408_page[] = -"<html>" CRLF -"<head><title>408 Request Time-out</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>408 Request Time-out</h1></center>" CRLF -; - - -static char ngx_http_error_409_page[] = -"<html>" CRLF -"<head><title>409 Conflict</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>409 Conflict</h1></center>" CRLF -; - - -static char ngx_http_error_410_page[] = -"<html>" CRLF -"<head><title>410 Gone</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>410 Gone</h1></center>" CRLF -; - - -static char ngx_http_error_411_page[] = -"<html>" CRLF -"<head><title>411 Length Required</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>411 Length Required</h1></center>" CRLF -; - - -static char ngx_http_error_412_page[] = -"<html>" CRLF -"<head><title>412 Precondition Failed</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>412 Precondition Failed</h1></center>" CRLF -; - - -static char ngx_http_error_413_page[] = -"<html>" CRLF -"<head><title>413 Request Entity Too Large</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>413 Request Entity Too Large</h1></center>" CRLF -; - - -static char ngx_http_error_414_page[] = -"<html>" CRLF -"<head><title>414 Request-URI Too Large</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>414 Request-URI Too Large</h1></center>" CRLF -; - - -static char ngx_http_error_415_page[] = -"<html>" CRLF -"<head><title>415 Unsupported Media Type</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>415 Unsupported Media Type</h1></center>" CRLF -; - - -static char ngx_http_error_416_page[] = -"<html>" CRLF -"<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF -; - - -static char ngx_http_error_421_page[] = -"<html>" CRLF -"<head><title>421 Misdirected Request</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>421 Misdirected Request</h1></center>" CRLF -; - - -static char ngx_http_error_429_page[] = -"<html>" CRLF -"<head><title>429 Too Many Requests</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>429 Too Many Requests</h1></center>" CRLF -; - - -static char ngx_http_error_494_page[] = -"<html>" CRLF -"<head><title>400 Request Header Or Cookie Too Large</title></head>" -CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>400 Bad Request</h1></center>" CRLF -"<center>Request Header Or Cookie Too Large</center>" CRLF -; - - -static char ngx_http_error_495_page[] = -"<html>" CRLF -"<head><title>400 The SSL certificate error</title></head>" -CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>400 Bad Request</h1></center>" CRLF -"<center>The SSL certificate error</center>" CRLF -; - - -static char ngx_http_error_496_page[] = -"<html>" CRLF -"<head><title>400 No required SSL certificate was sent</title></head>" -CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>400 Bad Request</h1></center>" CRLF -"<center>No required SSL certificate was sent</center>" CRLF -; - - -static char ngx_http_error_497_page[] = -"<html>" CRLF -"<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" -CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>400 Bad Request</h1></center>" CRLF -"<center>The plain HTTP request was sent to HTTPS port</center>" CRLF -; - - -static char ngx_http_error_500_page[] = -"<html>" CRLF -"<head><title>500 Internal Server Error</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>500 Internal Server Error</h1></center>" CRLF -; - - -static char ngx_http_error_501_page[] = -"<html>" CRLF -"<head><title>501 Not Implemented</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>501 Not Implemented</h1></center>" CRLF -; - - -static char ngx_http_error_502_page[] = -"<html>" CRLF -"<head><title>502 Bad Gateway</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>502 Bad Gateway</h1></center>" CRLF -; - - -static char ngx_http_error_503_page[] = -"<html>" CRLF -"<head><title>503 Service Temporarily Unavailable</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF -; - - -static char ngx_http_error_504_page[] = -"<html>" CRLF -"<head><title>504 Gateway Time-out</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>504 Gateway Time-out</h1></center>" CRLF -; - - -static char ngx_http_error_507_page[] = -"<html>" CRLF -"<head><title>507 Insufficient Storage</title></head>" CRLF -"<body bgcolor=\"white\">" CRLF -"<center><h1>507 Insufficient Storage</h1></center>" CRLF -; - - -static ngx_str_t ngx_http_error_pages[] = { - - ngx_null_string, /* 201, 204 */ - -#define NGX_HTTP_LAST_2XX 202 -#define NGX_HTTP_OFF_3XX (NGX_HTTP_LAST_2XX - 201) - - /* ngx_null_string, */ /* 300 */ - ngx_string(ngx_http_error_301_page), - ngx_string(ngx_http_error_302_page), - ngx_string(ngx_http_error_303_page), - ngx_null_string, /* 304 */ - ngx_null_string, /* 305 */ - ngx_null_string, /* 306 */ - ngx_string(ngx_http_error_307_page), - -#define NGX_HTTP_LAST_3XX 308 -#define NGX_HTTP_OFF_4XX (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX) - - ngx_string(ngx_http_error_400_page), - ngx_string(ngx_http_error_401_page), - ngx_string(ngx_http_error_402_page), - ngx_string(ngx_http_error_403_page), - ngx_string(ngx_http_error_404_page), - ngx_string(ngx_http_error_405_page), - ngx_string(ngx_http_error_406_page), - ngx_null_string, /* 407 */ - ngx_string(ngx_http_error_408_page), - ngx_string(ngx_http_error_409_page), - ngx_string(ngx_http_error_410_page), - ngx_string(ngx_http_error_411_page), - ngx_string(ngx_http_error_412_page), - ngx_string(ngx_http_error_413_page), - ngx_string(ngx_http_error_414_page), - ngx_string(ngx_http_error_415_page), - ngx_string(ngx_http_error_416_page), - ngx_null_string, /* 417 */ - ngx_null_string, /* 418 */ - ngx_null_string, /* 419 */ - ngx_null_string, /* 420 */ - ngx_string(ngx_http_error_421_page), - ngx_null_string, /* 422 */ - ngx_null_string, /* 423 */ - ngx_null_string, /* 424 */ - ngx_null_string, /* 425 */ - ngx_null_string, /* 426 */ - ngx_null_string, /* 427 */ - ngx_null_string, /* 428 */ - ngx_string(ngx_http_error_429_page), - -#define NGX_HTTP_LAST_4XX 430 -#define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX) - - ngx_string(ngx_http_error_494_page), /* 494, request header too large */ - ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ - ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ - ngx_string(ngx_http_error_497_page), /* 497, http to https */ - ngx_string(ngx_http_error_404_page), /* 498, canceled */ - ngx_null_string, /* 499, client has closed connection */ - - ngx_string(ngx_http_error_500_page), - ngx_string(ngx_http_error_501_page), - ngx_string(ngx_http_error_502_page), - ngx_string(ngx_http_error_503_page), - ngx_string(ngx_http_error_504_page), - ngx_null_string, /* 505 */ - ngx_null_string, /* 506 */ - ngx_string(ngx_http_error_507_page) - -#define NGX_HTTP_LAST_5XX 508 - -}; - - -ngx_int_t -ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) -{ - ngx_uint_t i, err; - ngx_http_err_page_t *err_page; - ngx_http_core_loc_conf_t *clcf; - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http special response: %i, \"%V?%V\"", - error, &r->uri, &r->args); - - r->err_status = error; - - if (r->keepalive) { - switch (error) { - case NGX_HTTP_BAD_REQUEST: - case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: - case NGX_HTTP_REQUEST_URI_TOO_LARGE: - case NGX_HTTP_TO_HTTPS: - case NGX_HTTPS_CERT_ERROR: - case NGX_HTTPS_NO_CERT: - case NGX_HTTP_INTERNAL_SERVER_ERROR: - case NGX_HTTP_NOT_IMPLEMENTED: - r->keepalive = 0; - } - } - - if (r->lingering_close) { - switch (error) { - case NGX_HTTP_BAD_REQUEST: - case NGX_HTTP_TO_HTTPS: - case NGX_HTTPS_CERT_ERROR: - case NGX_HTTPS_NO_CERT: - r->lingering_close = 0; - } - } - - r->headers_out.content_type.len = 0; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { - - if (clcf->recursive_error_pages == 0) { - r->error_page = 1; - } - - err_page = clcf->error_pages->elts; - - for (i = 0; i < clcf->error_pages->nelts; i++) { - if (err_page[i].status == error) { - return ngx_http_send_error_page(r, &err_page[i]); - } - } - } - - r->expect_tested = 1; - - if (ngx_http_discard_request_body(r) != NGX_OK) { - r->keepalive = 0; - } - - if (clcf->msie_refresh - && r->headers_in.msie - && (error == NGX_HTTP_MOVED_PERMANENTLY - || error == NGX_HTTP_MOVED_TEMPORARILY)) - { - return ngx_http_send_refresh(r); - } - - if (error == NGX_HTTP_CREATED) { - /* 201 */ - err = 0; - - } else if (error == NGX_HTTP_NO_CONTENT) { - /* 204 */ - err = 0; - - } else if (error >= NGX_HTTP_MOVED_PERMANENTLY - && error < NGX_HTTP_LAST_3XX) - { - /* 3XX */ - err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_OFF_3XX; - - } else if (error >= NGX_HTTP_BAD_REQUEST - && error < NGX_HTTP_LAST_4XX) - { - /* 4XX */ - err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_OFF_4XX; - - } else if (error >= NGX_HTTP_NGINX_CODES - && error < NGX_HTTP_LAST_5XX) - { - /* 49X, 5XX */ - err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_OFF_5XX; - switch (error) { - case NGX_HTTP_TO_HTTPS: - case NGX_HTTPS_CERT_ERROR: - case NGX_HTTPS_NO_CERT: - case NGX_HTTP_REQUEST_HEADER_TOO_LARGE: - r->err_status = NGX_HTTP_BAD_REQUEST; - } - - } else { - /* unknown code, zero body */ - err = 0; - } - - return ngx_http_send_special_response(r, clcf, err); -} - - -ngx_int_t -ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_module_t *m, - ngx_int_t error) -{ - void *ctx; - ngx_int_t rc; - - ngx_http_clean_header(r); - - ctx = NULL; - - if (m) { - ctx = r->ctx[m->ctx_index]; - } - - /* clear the modules contexts */ - ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); - - if (m) { - r->ctx[m->ctx_index] = ctx; - } - - r->filter_finalize = 1; - - rc = ngx_http_special_response_handler(r, error); - - /* NGX_ERROR resets any pending data */ - - switch (rc) { - - case NGX_OK: - case NGX_DONE: - return NGX_ERROR; - - default: - return rc; - } -} - - -void -ngx_http_clean_header(ngx_http_request_t *r) -{ - ngx_memzero(&r->headers_out.status, - sizeof(ngx_http_headers_out_t) - - offsetof(ngx_http_headers_out_t, status)); - - r->headers_out.headers.part.nelts = 0; - r->headers_out.headers.part.next = NULL; - r->headers_out.headers.last = &r->headers_out.headers.part; - - r->headers_out.content_length_n = -1; - r->headers_out.last_modified_time = -1; -} - - -static ngx_int_t -ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) -{ - ngx_int_t overwrite; - ngx_str_t uri, args; - ngx_table_elt_t *location; - ngx_http_core_loc_conf_t *clcf; - - overwrite = err_page->overwrite; - - if (overwrite && overwrite != NGX_HTTP_OK) { - r->expect_tested = 1; - } - - if (overwrite >= 0) { - r->err_status = overwrite; - } - - if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { - return NGX_ERROR; - } - - if (uri.len && uri.data[0] == '/') { - - if (err_page->value.lengths) { - ngx_http_split_args(r, &uri, &args); - - } else { - args = err_page->args; - } - - if (r->method != NGX_HTTP_HEAD) { - r->method = NGX_HTTP_GET; - r->method_name = ngx_http_core_get_method; - } - - return ngx_http_internal_redirect(r, &uri, &args); - } - - if (uri.len && uri.data[0] == '@') { - return ngx_http_named_location(r, &uri); - } - - location = ngx_list_push(&r->headers_out.headers); - - if (location == NULL) { - return NGX_ERROR; - } - - if (overwrite != NGX_HTTP_MOVED_PERMANENTLY - && overwrite != NGX_HTTP_MOVED_TEMPORARILY - && overwrite != NGX_HTTP_SEE_OTHER - && overwrite != NGX_HTTP_TEMPORARY_REDIRECT) - { - r->err_status = NGX_HTTP_MOVED_TEMPORARILY; - } - - location->hash = 1; - ngx_str_set(&location->key, "Location"); - location->value = uri; - - ngx_http_clear_location(r); - - r->headers_out.location = location; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->msie_refresh && r->headers_in.msie) { - return ngx_http_send_refresh(r); - } - - return ngx_http_send_special_response(r, clcf, r->err_status - - NGX_HTTP_MOVED_PERMANENTLY - + NGX_HTTP_OFF_3XX); -} - - -static ngx_int_t -ngx_http_send_special_response(ngx_http_request_t *r, - ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) -{ - u_char *tail; - size_t len; - ngx_int_t rc; - ngx_buf_t *b; - ngx_uint_t msie_padding; - ngx_chain_t out[3]; - - if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) { - len = sizeof(ngx_http_error_full_tail) - 1; - tail = ngx_http_error_full_tail; - - } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) { - len = sizeof(ngx_http_error_build_tail) - 1; - tail = ngx_http_error_build_tail; - - } else { - len = sizeof(ngx_http_error_tail) - 1; - tail = ngx_http_error_tail; - } - - msie_padding = 0; - - if (ngx_http_error_pages[err].len) { - r->headers_out.content_length_n = ngx_http_error_pages[err].len + len; - if (clcf->msie_padding - && (r->headers_in.msie || r->headers_in.chrome) - && r->http_version >= NGX_HTTP_VERSION_10 - && err >= NGX_HTTP_OFF_4XX) - { - r->headers_out.content_length_n += - sizeof(ngx_http_msie_padding) - 1; - msie_padding = 1; - } - - r->headers_out.content_type_len = sizeof("text/html") - 1; - ngx_str_set(&r->headers_out.content_type, "text/html"); - r->headers_out.content_type_lowcase = NULL; - - } else { - r->headers_out.content_length_n = 0; - } - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - ngx_http_clear_accept_ranges(r); - ngx_http_clear_last_modified(r); - ngx_http_clear_etag(r); - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || r->header_only) { - return rc; - } - - if (ngx_http_error_pages[err].len == 0) { - return ngx_http_send_special(r, NGX_HTTP_LAST); - } - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->memory = 1; - b->pos = ngx_http_error_pages[err].data; - b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; - - out[0].buf = b; - out[0].next = &out[1]; - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->memory = 1; - - b->pos = tail; - b->last = tail + len; - - out[1].buf = b; - out[1].next = NULL; - - if (msie_padding) { - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->memory = 1; - b->pos = ngx_http_msie_padding; - b->last = ngx_http_msie_padding + sizeof(ngx_http_msie_padding) - 1; - - out[1].next = &out[2]; - out[2].buf = b; - out[2].next = NULL; - } - - if (r == r->main) { - b->last_buf = 1; - } - - b->last_in_chain = 1; - - return ngx_http_output_filter(r, &out[0]); -} - - -static ngx_int_t -ngx_http_send_refresh(ngx_http_request_t *r) -{ - u_char *p, *location; - size_t len, size; - uintptr_t escape; - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t out; - - len = r->headers_out.location->value.len; - location = r->headers_out.location->value.data; - - escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); - - size = sizeof(ngx_http_msie_refresh_head) - 1 - + escape + len - + sizeof(ngx_http_msie_refresh_tail) - 1; - - r->err_status = NGX_HTTP_OK; - - r->headers_out.content_type_len = sizeof("text/html") - 1; - ngx_str_set(&r->headers_out.content_type, "text/html"); - r->headers_out.content_type_lowcase = NULL; - - r->headers_out.location->hash = 0; - r->headers_out.location = NULL; - - r->headers_out.content_length_n = size; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - ngx_http_clear_accept_ranges(r); - ngx_http_clear_last_modified(r); - ngx_http_clear_etag(r); - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || r->header_only) { - return rc; - } - - b = ngx_create_temp_buf(r->pool, size); - if (b == NULL) { - return NGX_ERROR; - } - - p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, - sizeof(ngx_http_msie_refresh_head) - 1); - - if (escape == 0) { - p = ngx_cpymem(p, location, len); - - } else { - p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); - } - - b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, - sizeof(ngx_http_msie_refresh_tail) - 1); - - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - - out.buf = b; - out.next = NULL; - - return ngx_http_output_filter(r, &out); -} |