Mercurial > hg > nginx
view src/http/modules/proxy/ngx_http_proxy_header.c @ 290:87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 16 Mar 2004 07:10:12 +0000 |
parents | 0b67be7d4489 |
children | 5cfd65b8b0a7 |
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#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_table_elt_t *ho, *h; ngx_http_request_t *r; r = p->request; h = headers_in->headers->elts; for (i = 0; i < headers_in->headers->nelts; i++) { if (&h[i] == headers_in->connection) { 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; } } if (&h[i] == headers_in->content_type) { r->headers_out.content_type = &h[i]; r->headers_out.content_type->key.len = 0; continue; } if (!(ho = ngx_http_add_header(&r->headers_out, ngx_http_headers_out))) { return NGX_ERROR; } *ho = h[i]; /* * ngx_http_header_filter() does not handle specially * the following headers 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_http_request_t *r; ngx_http_proxy_upstream_conf_t *uc; r = p->request; uc = p->lcf->upstream; r->headers_out.location = ngx_http_add_header(&r->headers_out, ngx_http_headers_out); if (r->headers_out.location == NULL) { return NGX_ERROR; } if (uc->url.len > loc->value.len || ngx_rstrncmp(loc->value.data, uc->url.data, uc->url.len) != 0) { *r->headers_out.location = *loc; return NGX_OK; } /* TODO: proxy_reverse */ r->headers_out.location->value.len = uc->location->len + (loc->value.len - uc->url.len) + 1; r->headers_out.location->value.data = ngx_palloc(r->pool, r->headers_out.location->value.len); if (r->headers_out.location->value.data == NULL) { return NGX_ERROR; } last = ngx_cpymem(r->headers_out.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; }