static apr_status_t ajp_marshal_into_msgb(ajp_msg_t *msg, request_rec *r, apr_uri_t *uri) { int method; apr_uint32_t i, num_headers = 0; apr_byte_t is_ssl; char *remote_host; const char *session_route, *envvar; const apr_array_header_t *arr = apr_table_elts(r->subprocess_env); const apr_table_entry_t *elts = (const apr_table_entry_t *)arr->elts; ap_log_rerror(APLOG_MARK, APLOG_TRACE8, 0, r, "Into ajp_marshal_into_msgb"); if ((method = sc_for_req_method_by_id(r)) == UNKNOWN_METHOD) { ap_log_rerror(APLOG_MARK, APLOG_TRACE8, 0, r, APLOGNO(02437) "ajp_marshal_into_msgb - Sending unknown method %s as request attribute", r->method); method = SC_M_JK_STORED; } is_ssl = (apr_byte_t) ap_proxy_conn_is_https(r->connection); if (r->headers_in && apr_table_elts(r->headers_in)) { const apr_array_header_t *t = apr_table_elts(r->headers_in); num_headers = t->nelts; } remote_host = (char *)ap_get_remote_host(r->connection, r->per_dir_config, REMOTE_HOST, NULL); ajp_msg_reset(msg); if (ajp_msg_append_uint8(msg, CMD_AJP13_FORWARD_REQUEST) || ajp_msg_append_uint8(msg, (apr_byte_t) method) || ajp_msg_append_string(msg, r->protocol) || ajp_msg_append_string(msg, uri->path) || ajp_msg_append_string(msg, r->useragent_ip) || ajp_msg_append_string(msg, remote_host) || ajp_msg_append_string(msg, ap_get_server_name(r)) || ajp_msg_append_uint16(msg, (apr_uint16_t)r->connection->local_addr->port) || ajp_msg_append_uint8(msg, is_ssl) || ajp_msg_append_uint16(msg, (apr_uint16_t) num_headers)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00968) "ajp_marshal_into_msgb: " "Error appending the message beginning"); return APR_EGENERAL; } for (i = 0 ; i < num_headers ; i++) { int sc; const apr_array_header_t *t = apr_table_elts(r->headers_in); const apr_table_entry_t *elts = (apr_table_entry_t *)t->elts; if ((sc = sc_for_req_header(elts[i].key)) != UNKNOWN_METHOD) { if (ajp_msg_append_uint16(msg, (apr_uint16_t)sc)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00969) "ajp_marshal_into_msgb: " "Error appending the header name"); return AJP_EOVERFLOW; } } else { if (ajp_msg_append_string(msg, elts[i].key)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00970) "ajp_marshal_into_msgb: " "Error appending the header name"); return AJP_EOVERFLOW; } } if (ajp_msg_append_string(msg, elts[i].val)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00971) "ajp_marshal_into_msgb: " "Error appending the header value"); return AJP_EOVERFLOW; } ap_log_rerror(APLOG_MARK, APLOG_TRACE5, 0, r, "ajp_marshal_into_msgb: Header[%d] [%s] = [%s]", i, elts[i].key, elts[i].val); } /* XXXX need to figure out how to do this if (s->secret) { if (ajp_msg_append_uint8(msg, SC_A_SECRET) || ajp_msg_append_string(msg, s->secret)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "Error ajp_marshal_into_msgb - " "Error appending secret"); return APR_EGENERAL; } } */ if (r->user) { if (ajp_msg_append_uint8(msg, SC_A_REMOTE_USER) || ajp_msg_append_string(msg, r->user)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00972) "ajp_marshal_into_msgb: " "Error appending the remote user"); return AJP_EOVERFLOW; } } if (r->ap_auth_type) { if (ajp_msg_append_uint8(msg, SC_A_AUTH_TYPE) || ajp_msg_append_string(msg, r->ap_auth_type)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00973) "ajp_marshal_into_msgb: " "Error appending the auth type"); return AJP_EOVERFLOW; } } /* XXXX ebcdic (args converted?) */ if (uri->query) { if (ajp_msg_append_uint8(msg, SC_A_QUERY_STRING) || ajp_msg_append_string(msg, uri->query)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00974) "ajp_marshal_into_msgb: " "Error appending the query string"); return AJP_EOVERFLOW; } } if ((session_route = apr_table_get(r->notes, "session-route"))) { if (ajp_msg_append_uint8(msg, SC_A_JVM_ROUTE) || ajp_msg_append_string(msg, session_route)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00975) "ajp_marshal_into_msgb: " "Error appending the jvm route"); return AJP_EOVERFLOW; } } /* XXX: Is the subprocess_env a right place? * <Location /examples> * ProxyPass ajp://remote:8009/servlets-examples * SetEnv SSL_SESSION_ID CUSTOM_SSL_SESSION_ID * </Location> */ /* * Only lookup SSL variables if we are currently running HTTPS. * Furthermore ensure that only variables get set in the AJP message * that are not NULL and not empty. */ if (is_ssl) { if ((envvar = ap_proxy_ssl_val(r->pool, r->server, r->connection, r, AJP13_SSL_CLIENT_CERT_INDICATOR)) && envvar[0]) { if (ajp_msg_append_uint8(msg, SC_A_SSL_CERT) || ajp_msg_append_string(msg, envvar)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00976) "ajp_marshal_into_msgb: " "Error appending the SSL certificates"); return AJP_EOVERFLOW; } } if ((envvar = ap_proxy_ssl_val(r->pool, r->server, r->connection, r, AJP13_SSL_CIPHER_INDICATOR)) && envvar[0]) { if (ajp_msg_append_uint8(msg, SC_A_SSL_CIPHER) || ajp_msg_append_string(msg, envvar)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00977) "ajp_marshal_into_msgb: " "Error appending the SSL ciphers"); return AJP_EOVERFLOW; } } if ((envvar = ap_proxy_ssl_val(r->pool, r->server, r->connection, r, AJP13_SSL_SESSION_INDICATOR)) && envvar[0]) { if (ajp_msg_append_uint8(msg, SC_A_SSL_SESSION) || ajp_msg_append_string(msg, envvar)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00978) "ajp_marshal_into_msgb: " "Error appending the SSL session"); return AJP_EOVERFLOW; } } /* ssl_key_size is required by Servlet 2.3 API */ if ((envvar = ap_proxy_ssl_val(r->pool, r->server, r->connection, r, AJP13_SSL_KEY_SIZE_INDICATOR)) && envvar[0]) { if (ajp_msg_append_uint8(msg, SC_A_SSL_KEY_SIZE) || ajp_msg_append_uint16(msg, (unsigned short) atoi(envvar))) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00979) "ajp_marshal_into_msgb: " "Error appending the SSL key size"); return APR_EGENERAL; } } } /* If the method was unrecognized, encode it as an attribute */ if (method == SC_M_JK_STORED) { if (ajp_msg_append_uint8(msg, SC_A_STORED_METHOD) || ajp_msg_append_string(msg, r->method)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02438) "ajp_marshal_into_msgb: " "Error appending the method '%s' as request attribute", r->method); return AJP_EOVERFLOW; } } /* Forward the remote port information, which was forgotten * from the builtin data of the AJP 13 protocol. * Since the servlet spec allows to retrieve it via getRemotePort(), * we provide the port to the Tomcat connector as a request * attribute. Modern Tomcat versions know how to retrieve * the remote port from this attribute. */ { const char *key = SC_A_REQ_REMOTE_PORT; char *val = apr_itoa(r->pool, r->useragent_addr->port); if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) || ajp_msg_append_string(msg, key) || ajp_msg_append_string(msg, val)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00980) "ajp_marshal_into_msgb: " "Error appending attribute %s=%s", key, val); return AJP_EOVERFLOW; } } /* Forward the local ip address information, which was forgotten * from the builtin data of the AJP 13 protocol. * Since the servlet spec allows to retrieve it via getLocalAddr(), * we provide the address to the Tomcat connector as a request * attribute. Modern Tomcat versions know how to retrieve * the local address from this attribute. */ { const char *key = SC_A_REQ_LOCAL_ADDR; char *val = r->connection->local_ip; if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) || ajp_msg_append_string(msg, key) || ajp_msg_append_string(msg, val)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02646) "ajp_marshal_into_msgb: " "Error appending attribute %s=%s", key, val); return AJP_EOVERFLOW; } } /* Use the environment vars prefixed with AJP_ * and pass it to the header striping that prefix. */ for (i = 0; i < (apr_uint32_t)arr->nelts; i++) { if (!strncmp(elts[i].key, "AJP_", 4)) { if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) || ajp_msg_append_string(msg, elts[i].key + 4) || ajp_msg_append_string(msg, elts[i].val)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00981) "ajp_marshal_into_msgb: " "Error appending attribute %s=%s", elts[i].key, elts[i].val); return AJP_EOVERFLOW; } } } if (ajp_msg_append_uint8(msg, SC_A_ARE_DONE)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00982) "ajp_marshal_into_msgb: " "Error appending the message end"); return AJP_EOVERFLOW; } ap_log_rerror(APLOG_MARK, APLOG_TRACE8, 0, r, "ajp_marshal_into_msgb: Done"); return APR_SUCCESS; }
/* * Message structure * * AJPV13_REQUEST/AJPV14_REQUEST= request_prefix (1) (byte) method (byte) protocol (string) req_uri (string) remote_addr (string) remote_host (string) server_name (string) server_port (short) is_ssl (boolean) num_headers (short) num_headers*(req_header_name header_value) ?context (byte)(string) ?servlet_path (byte)(string) ?remote_user (byte)(string) ?auth_type (byte)(string) ?query_string (byte)(string) ?jvm_route (byte)(string) ?ssl_cert (byte)(string) ?ssl_cipher (byte)(string) ?ssl_session (byte)(string) ?ssl_key_size (byte)(int) request_terminator (byte) ?body content_length*(var binary) */ ngx_int_t ajp_marshal_into_msgb(ajp_msg_t *msg, ngx_http_request_t *r, ngx_http_ajp_loc_conf_t *alcf) { int sc; int method; u_char is_ssl = 0; uint16_t port; ngx_uint_t i, num_headers = 0; ngx_str_t uri, *remote_host, *remote_addr; ngx_str_t temp_str, *jvm_route, port_str; ngx_log_t *log; ngx_list_part_t *part; ngx_table_elt_t *header; struct sockaddr_in *addr; log = r->connection->log; if ((method = sc_for_req_method_by_id(r)) == UNKNOWN_METHOD) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb - No such method %ui", r->method); return NGX_ERROR; } /* TODO: is_ssl = ?*/ part = &r->headers_in.headers.part; if (alcf->upstream.pass_request_headers) { num_headers = sc_for_req_get_headers_num(part); } remote_host = remote_addr = &r->connection->addr_text; addr = (struct sockaddr_in *) r->connection->local_sockaddr; /*'struct sockaddr_in' and 'struct sockaddr_in6' has the same offset of port*/ port = ntohs(addr->sin_port); if (sc_for_req_get_uri(r, &uri) != 0) { return NGX_ERROR; } ngx_log_debug2(NGX_LOG_DEBUG_HTTP, log, 0, "Into ajp_marshal_into_msgb, uri: \"%V\", version: \"%V\"", &uri, &r->http_protocol); ajp_msg_reset(msg); if (ajp_msg_append_uint8(msg, CMD_AJP13_FORWARD_REQUEST) || ajp_msg_append_uint8(msg, method) || ajp_msg_append_string(msg, &r->http_protocol) || ajp_msg_append_string(msg, &uri) || ajp_msg_append_string(msg, remote_addr) || ajp_msg_append_string(msg, remote_host) || ajp_msg_append_string(msg, &r->headers_in.server) || ajp_msg_append_uint16(msg, port) || ajp_msg_append_uint8(msg, is_ssl) || ajp_msg_append_uint16(msg, (uint16_t) num_headers)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the message begining"); return AJP_EOVERFLOW; } header = part->elts; if (alcf->upstream.pass_request_headers) { for (i = 0; /* void */; i++) { if (i >= part->nelts) { if (part->next == NULL) { break; } part = part->next; header = part->elts; i = 0; } if ((sc = sc_for_req_header(&header[i])) != UNKNOWN_METHOD) { if (ajp_msg_append_uint16(msg, (uint16_t)sc)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the header name"); return AJP_EOVERFLOW; } } else { if (ajp_msg_append_string(msg, &header[i].key)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the header name"); return AJP_EOVERFLOW; } } if (sc == SC_REQ_CONNECTION) { if (alcf->keep_conn) { header[i].value.data = (u_char *)"keep-alive"; header[i].value.len = sizeof("keep-alive") - 1; } else { header[i].value.data = (u_char *)"close"; header[i].value.len = sizeof("close") - 1; } } if (ajp_msg_append_string(msg, &header[i].value)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the header value"); return AJP_EOVERFLOW; } ngx_log_debug4(NGX_LOG_DEBUG_HTTP, log, 0, "ajp_marshal_into_msgb: Header[%d] [%V] = [%V], size:%z", i, &header[i].key, &header[i].value, ngx_buf_size(msg->buf)); } } if (r->headers_in.user.len != 0) { if (ajp_msg_append_uint8(msg, SC_A_REMOTE_USER) || ajp_msg_append_string(msg, &r->headers_in.user)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the remote user"); return AJP_EOVERFLOW; } } sc_for_req_auth_type(r, &temp_str); if (temp_str.len > 0) { if (ajp_msg_append_uint8(msg, SC_A_AUTH_TYPE) || ajp_msg_append_string(msg, &temp_str)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the auth type"); return AJP_EOVERFLOW; } } if (r->args.len > 0) { ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "ajp_marshal_into_msgb: append_args=\"%V\"", &r->args); if (ajp_msg_append_uint8(msg, SC_A_QUERY_STRING) || ajp_msg_append_string(msg, &r->args)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the query string"); return AJP_EOVERFLOW; } } jvm_route = sc_for_req_get_header_vaule_by_hash(&r->headers_in.headers.part, (u_char *)"session-route", sizeof("session-route") - 1); if (jvm_route != NULL) { if (ajp_msg_append_uint8(msg, SC_A_JVM_ROUTE) || ajp_msg_append_string(msg, jvm_route)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the jvm route"); return AJP_EOVERFLOW; } } /*TODO SSL*/ /* Forward the remote port information, which was forgotten * from the builtin data of the AJP 13 protocol. * Since the servlet spec allows to retrieve it via getRemotePort(), * we provide the port to the Tomcat connector as a request * attribute. Modern Tomcat versions know how to retrieve * the remote port from this attribute. */ { u_char buf[6] = {0}; temp_str.data = (u_char *)SC_A_REQ_REMOTE_PORT; temp_str.len = sizeof(SC_A_REQ_REMOTE_PORT) - 1; addr = (struct sockaddr_in *) r->connection->sockaddr; /*'struct sockaddr_in' and 'struct sockaddr_in6' has the same offset of port*/ port = ntohs(addr->sin_port); /*port < 65536*/ ngx_snprintf(buf, 6, "%d", port); port_str.data = buf; port_str.len = ngx_strlen(buf); if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) || ajp_msg_append_string(msg, &temp_str) || ajp_msg_append_string(msg, &port_str)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending attribute %V=%V", &temp_str, &port_str); return AJP_EOVERFLOW; } ngx_log_debug2(NGX_LOG_DEBUG_HTTP, log, 0, "ajp_marshal_into_msgb: attribute %V %V", &temp_str, &port_str); } if (ajp_msg_append_uint8(msg, SC_A_ARE_DONE)) { ngx_log_error(NGX_LOG_ERR, log, 0, "ajp_marshal_into_msgb: " "Error appending the message end"); return AJP_EOVERFLOW; } ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "ajp_marshal_into_msgb: Done, buff_size:%z", ngx_buf_size(msg->buf)); return NGX_OK; }