static int proxy_create_env(server *srv, handler_ctx *hctx) { size_t i; connection *con = hctx->remote_conn; buffer *b; /* build header */ b = buffer_init(); /* request line */ buffer_copy_string(b, get_http_method_name(con->request.http_method)); buffer_append_string_len(b, CONST_STR_LEN(" ")); buffer_append_string_buffer(b, con->request.uri); buffer_append_string_len(b, CONST_STR_LEN(" HTTP/1.0\r\n")); proxy_append_header(con, "X-Forwarded-For", (char *)inet_ntop_cache_get_ip(srv, &(con->dst_addr))); /* http_host is NOT is just a pointer to a buffer * which is NULL if it is not set */ if (!buffer_string_is_empty(con->request.http_host)) { proxy_set_header(con, "X-Host", con->request.http_host->ptr); } proxy_set_header(con, "X-Forwarded-Proto", con->uri.scheme->ptr); /* request header */ for (i = 0; i < con->request.headers->used; i++) { data_string *ds; ds = (data_string *)con->request.headers->data[i]; if (!buffer_is_empty(ds->value) && !buffer_is_empty(ds->key)) { if (buffer_is_equal_string(ds->key, CONST_STR_LEN("Connection"))) continue; if (buffer_is_equal_string(ds->key, CONST_STR_LEN("Proxy-Connection"))) continue; buffer_append_string_buffer(b, ds->key); buffer_append_string_len(b, CONST_STR_LEN(": ")); buffer_append_string_buffer(b, ds->value); buffer_append_string_len(b, CONST_STR_LEN("\r\n")); } } buffer_append_string_len(b, CONST_STR_LEN("\r\n")); hctx->wb->bytes_in += buffer_string_length(b); chunkqueue_append_buffer(hctx->wb, b); buffer_free(b); /* body */ if (con->request.content_length) { chunkqueue *req_cq = con->request_content_queue; chunkqueue_steal(hctx->wb, req_cq, req_cq->bytes_in); } return 0; }
static int proxy_create_env(server *srv, handler_ctx *hctx) { size_t i; connection *con = hctx->remote_conn; buffer *b; /* build header */ b = chunkqueue_get_append_buffer(hctx->wb); /* request line */ buffer_copy_string(b, get_http_method_name(con->request.http_method)); buffer_append_string_len(b, CONST_STR_LEN(" ")); buffer_append_string_buffer(b, con->request.uri); buffer_append_string_len(b, CONST_STR_LEN(" HTTP/1.0\r\n")); proxy_append_header(con, "X-Forwarded-For", (char *)inet_ntop_cache_get_ip(srv, &(con->dst_addr))); /* http_host is NOT is just a pointer to a buffer * which is NULL if it is not set */ if (con->request.http_host && !buffer_is_empty(con->request.http_host)) { proxy_set_header(con, "X-Host", con->request.http_host->ptr); } proxy_set_header(con, "X-Forwarded-Proto", con->conf.is_ssl ? "https" : "http"); /* request header */ for (i = 0; i < con->request.headers->used; i++) { data_string *ds; ds = (data_string *)con->request.headers->data[i]; if (ds->value->used && ds->key->used) { if (buffer_is_equal_string(ds->key, CONST_STR_LEN("Connection"))) continue; if (buffer_is_equal_string(ds->key, CONST_STR_LEN("Proxy-Connection"))) continue; buffer_append_string_buffer(b, ds->key); buffer_append_string_len(b, CONST_STR_LEN(": ")); buffer_append_string_buffer(b, ds->value); buffer_append_string_len(b, CONST_STR_LEN("\r\n")); } } buffer_append_string_len(b, CONST_STR_LEN("\r\n")); hctx->wb->bytes_in += b->used - 1; /* body */ if (con->request.content_length) { chunkqueue *req_cq = con->request_content_queue; chunk *req_c; off_t offset; /* something to send ? */ for (offset = 0, req_c = req_cq->first; offset != req_cq->bytes_in; req_c = req_c->next) { off_t weWant = req_cq->bytes_in - offset; off_t weHave = 0; /* we announce toWrite octects * now take all the request_content chunk that we need to fill this request * */ switch (req_c->type) { case FILE_CHUNK: weHave = req_c->file.length - req_c->offset; if (weHave > weWant) weHave = weWant; chunkqueue_append_file(hctx->wb, req_c->file.name, req_c->offset, weHave); req_c->offset += weHave; req_cq->bytes_out += weHave; hctx->wb->bytes_in += weHave; break; case MEM_CHUNK: /* append to the buffer */ weHave = req_c->mem->used - 1 - req_c->offset; if (weHave > weWant) weHave = weWant; b = chunkqueue_get_append_buffer(hctx->wb); buffer_append_memory(b, req_c->mem->ptr + req_c->offset, weHave); b->used++; /* add virtual \0 */ req_c->offset += weHave; req_cq->bytes_out += weHave; hctx->wb->bytes_in += weHave; break; default: break; } offset += weHave; } } return 0; }