Mercurial > hg > nginx-quic
view src/http/modules/proxy/ngx_http_proxy_header.c @ 453:c073c1305efc
release-0.1.1 tag
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 11 Oct 2004 15:07:03 +0000 |
parents | 23fb87bddda1 |
children | 295d97d70c69 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> #include <ngx_http_proxy_handler.h> static int ngx_http_proxy_rewrite_location_header(ngx_http_proxy_ctx_t *p, ngx_table_elt_t *loc); int ngx_http_proxy_copy_header(ngx_http_proxy_ctx_t *p, ngx_http_proxy_headers_in_t *headers_in) { ngx_uint_t i; ngx_list_part_t *part; ngx_table_elt_t *ho, *h; ngx_http_request_t *r; r = p->request; part = &headers_in->headers.part; h = part->elts; #if 0 h = headers_in->headers.elts; for (i = 0; i < headers_in->headers.nelts; i++) { #endif for (i = 0 ; /* void */; i++) { if (i >= part->nelts) { if (part->next == NULL) { break; } part = part->next; h = part->elts; i = 0; } /* ignore some headers */ if (&h[i] == headers_in->connection) { continue; } if (&h[i] == headers_in->x_pad) { continue; } if (p->accel) { if (&h[i] == headers_in->date || &h[i] == headers_in->accept_ranges) { continue; } if (&h[i] == headers_in->x_accel_expires && !p->lcf->pass_x_accel_expires) { continue; } if (&h[i] == headers_in->server && !p->lcf->pass_server) { continue; } if (&h[i] == headers_in->location) { if (ngx_http_proxy_rewrite_location_header(p, &h[i]) == NGX_ERROR) { return NGX_ERROR; } continue; } } /* "Content-Type" is handled specially */ if (&h[i] == headers_in->content_type) { r->headers_out.content_type = &h[i]; r->headers_out.content_type->key.len = 0; continue; } /* copy some header pointers and set up r->headers_out */ if (!(ho = ngx_list_push(&r->headers_out.headers))) { return NGX_ERROR; } *ho = h[i]; if (&h[i] == headers_in->expires) { r->headers_out.expires = ho; continue; } if (&h[i] == headers_in->cache_control) { r->headers_out.cache_control = ho; continue; } if (&h[i] == headers_in->etag) { r->headers_out.etag = ho; continue; } if (&h[i] == headers_in->last_modified) { r->headers_out.last_modified = ho; /* TODO: update r->headers_out.last_modified_time */ continue; } /* * ngx_http_header_filter() passes the following headers as is * and does not handle them specially if they are set: * r->headers_out.server, * r->headers_out.date, * r->headers_out.content_length */ if (&h[i] == headers_in->server) { r->headers_out.server = ho; continue; } if (&h[i] == headers_in->date) { r->headers_out.date = ho; continue; } if (&h[i] == headers_in->content_length) { r->headers_out.content_length = ho; r->headers_out.content_length_n = ngx_atoi(ho->value.data, ho->value.len); continue; } } return NGX_OK; } static int ngx_http_proxy_rewrite_location_header(ngx_http_proxy_ctx_t *p, ngx_table_elt_t *loc) { u_char *last; ngx_table_elt_t *location; ngx_http_request_t *r; ngx_http_proxy_upstream_conf_t *uc; r = p->request; uc = p->lcf->upstream; if (!(location = ngx_list_push(&r->headers_out.headers))) { return NGX_ERROR; } if (uc->url.len > loc->value.len || ngx_rstrncmp(loc->value.data, uc->url.data, uc->url.len) != 0) { /* * we do not set r->headers_out.location here to avoid the handling * the local redirects without a host name by ngx_http_header_filter() */ *location = *loc; return NGX_OK; } /* TODO: proxy_reverse */ r->headers_out.location = location; location->key.len = 0; location->key.data = NULL; location->value.len = uc->location->len + (loc->value.len - uc->url.len) + 1; if (!(location->value.data = ngx_palloc(r->pool, location->value.len))) { return NGX_ERROR; } last = ngx_cpymem(location->value.data, uc->location->data, uc->location->len); ngx_cpystrn(last, loc->value.data + uc->url.len, loc->value.len - uc->url.len + 1); return NGX_OK; }