ajp_header.c revision 870181b1a2eb47ba42f178a90a9ee1763e95b325
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding * Copyright 1999-2004 The Apache Software Foundation
bc8fd1b0b1afdf89b8d28eefa8cd74e26ba97986fielding * Licensed under the Apache License, Version 2.0 (the "License");
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding * you may not use this file except in compliance with the License.
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding * You may obtain a copy of the License at
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding * Unless required by applicable law or agreed to in writing, software
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding * distributed under the License is distributed on an "AS IS" BASIS,
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding * See the License for the specific language governing permissions and
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding * limitations under the License.
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fieldingstatic const char *response_trans_headers[] = {
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Content-Type",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Content-Language",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Content-Length",
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "Last-Modified",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Location",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Set-Cookie",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Set-Cookie2",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "Servlet-Engine",
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding "WWW-Authenticate"
0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingstatic int sc_for_req_header(const char *header_name)
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding const char *p = header_name;
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding /* ACCEPT-LANGUAGE is the longest headeer
ab2c1c1c83ec91415565da5a71fbc15d9685caa6fielding * that is of interest.
3568de757bac0b47256647504c186d17ca272f85rbb while (*p)
3568de757bac0b47256647504c186d17ca272f85rbb switch (header[0]) {
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz /* NOTREACHED */
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz/* Apache method number to SC methods transform table */
0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingstatic const unsigned char sc_for_req_method_table[] = {
3d96ee83babeec32482c9082c9426340cee8c44dwrowe 0, /* M_DELETE */
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick 0, /* M_PATCH */
3568de757bac0b47256647504c186d17ca272f85rbb 0 /* M_INVALID */
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz sc_for_req_method_table[method_id] : UNKNOWN_METHOD;
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz * Message structure
3568de757bac0b47256647504c186d17ca272f85rbb request_prefix (1) (byte)
3568de757bac0b47256647504c186d17ca272f85rbb method (byte)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz protocol (string)
3568de757bac0b47256647504c186d17ca272f85rbb req_uri (string)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz remote_addr (string)
3568de757bac0b47256647504c186d17ca272f85rbb remote_host (string)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz server_name (string)
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding server_port (short)
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding is_ssl (boolean)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz num_headers (short)
3568de757bac0b47256647504c186d17ca272f85rbb num_headers*(req_header_name header_value)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ?context (byte)(string)
24b534291150023e6b68eca89ddd33e475ccddc0wrowe ?servlet_path (byte)(string)
3568de757bac0b47256647504c186d17ca272f85rbb ?remote_user (byte)(string)
24b534291150023e6b68eca89ddd33e475ccddc0wrowe ?auth_type (byte)(string)
3568de757bac0b47256647504c186d17ca272f85rbb ?query_string (byte)(string)
24b534291150023e6b68eca89ddd33e475ccddc0wrowe ?jvm_route (byte)(string)
24b534291150023e6b68eca89ddd33e475ccddc0wrowe ?ssl_cert (byte)(string)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ?ssl_cipher (byte)(string)
3568de757bac0b47256647504c186d17ca272f85rbb ?ssl_session (byte)(string)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ?ssl_key_size (byte)(int) via JkOptions +ForwardKeySize
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz request_terminator (byte)
3568de757bac0b47256647504c186d17ca272f85rbb ?body content_length*(var binary)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantzstatic apr_status_t ajp_marshal_into_msgb(ajp_msg_t *msg,
3568de757bac0b47256647504c186d17ca272f85rbb const apr_array_header_t *arr = apr_table_elts(r->subprocess_env);
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz const apr_table_entry_t *elts = (const apr_table_entry_t *)arr->elts;
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz "Into ajp_marshal_into_msgb");
3568de757bac0b47256647504c186d17ca272f85rbb if ((method = sc_for_req_method_by_id(r->method_number)) == UNKNOWN_METHOD) {
3568de757bac0b47256647504c186d17ca272f85rbb "Error ajp_marshal_into_msgb - No such method %s",
3568de757bac0b47256647504c186d17ca272f85rbb /* XXXX need something */
3568de757bac0b47256647504c186d17ca272f85rbb const apr_array_header_t *t = apr_table_elts(r->headers_in);
3568de757bac0b47256647504c186d17ca272f85rbb remote_host = (char *)ap_get_remote_host(r->connection, r->per_dir_config, REMOTE_HOST, NULL);
239f998fbee5ac5b114b965bb76e217cce0003edstoddard if (ajp_msg_append_uint8(msg, CMD_AJP13_FORWARD_REQUEST) ||
6653a33e820463abd4f81915b7a1eba0f602e200brianp ajp_msg_append_string(msg, r->connection->remote_ip) ||
41634f717c623556a16b27b25d7d909a66fe20f8wrowe ajp_msg_append_uint16(msg, (apr_uint16_t)r->connection->local_addr->port) ||
3568de757bac0b47256647504c186d17ca272f85rbb ajp_msg_append_uint16(msg, (apr_uint16_t) num_headers)) {
3568de757bac0b47256647504c186d17ca272f85rbb "Error ajp_marshal_into_msgb - "
6653a33e820463abd4f81915b7a1eba0f602e200brianp "Error appending the message begining");
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick for (i = 0 ; i < num_headers ; i++) {
3568de757bac0b47256647504c186d17ca272f85rbb const apr_array_header_t *t = apr_table_elts(r->headers_in);
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding const apr_table_entry_t *elts = (apr_table_entry_t *)t->elts;
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if ((sc = sc_for_req_header(elts[i].key)) != UNKNOWN_METHOD) {
ca53a74f4012a45cbad48e940eddf27d866981f9dougm "Error ajp_marshal_into_msgb - "
6653a33e820463abd4f81915b7a1eba0f602e200brianp "Error appending the header name");
6653a33e820463abd4f81915b7a1eba0f602e200brianp "Error ajp_marshal_into_msgb - "
6653a33e820463abd4f81915b7a1eba0f602e200brianp "Error appending the header name");
6653a33e820463abd4f81915b7a1eba0f602e200brianp "Error ajp_marshal_into_msgb - "
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick "Error appending the header value");
239f998fbee5ac5b114b965bb76e217cce0003edstoddard ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
3568de757bac0b47256647504c186d17ca272f85rbb "ajp_marshal_into_msgb: Header[%d] [%s] = [%s]",
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard/* XXXX need to figure out how to do this
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (s->secret) {
3568de757bac0b47256647504c186d17ca272f85rbb if (ajp_msg_append_uint8(msg, SC_A_SECRET) ||
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ajp_msg_append_string(msg, s->secret)) {
48d2edbfb84e5559b5da0f8d614ccab805cc67a8rbb ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "Error ajp_marshal_into_msgb - "
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error appending secret");
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_EGENERAL;
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_marshal_into_msgb - "
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz "Error appending the remote user");
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (ajp_msg_append_uint8(msg, SC_A_AUTH_TYPE) ||
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_marshal_into_msgb - "
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz "Error appending the auth type");
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* XXXX ebcdic (args converted?) */
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (ajp_msg_append_uint8(msg, SC_A_QUERY_STRING) ||
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_marshal_into_msgb - "
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error appending the query string");
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if ((session_route = apr_table_get(r->notes, "session-route"))) {
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_marshal_into_msgb - "
3568de757bac0b47256647504c186d17ca272f85rbb "Error appending the jvm route");
0f081398cf0eef8cc7c66a535d450110a92dc8aefielding/* XXX: Is the subprocess_env a right place?
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick * <Location /examples>
98cd3186185bb28ae6c95a3f159899fcf56a663ftrawick * ProxyPass ajp://remote:8009/servlets-examples
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick * SetEnv SSL_SESSION_ID CUSTOM_SSL_SESSION_ID
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick * </Location>
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm "Error ajp_marshal_into_msgb - "
3cbd177a6c885562f9ad0cf11695f044489c881dgregames "Error appending the SSL certificates");
5a0f707b48da7703cbe6bc087f13a6735b1c742dgregames "Error ajp_marshal_into_msgb - "
5a0f707b48da7703cbe6bc087f13a6735b1c742dgregames "Error appending the SSL ciphers");
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm "Error ajp_marshal_into_msgb - "
ad83978f20c7d1a4323059d9af122e56fcd353bdstoddard "Error appending the SSL session");
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard * ssl_key_size is required by Servlet 2.3 API
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard * added support only in ajp14 mode
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard * JFC removed: ae->proto == AJP14_PROTO
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* XXXX ignored for the moment
3568de757bac0b47256647504c186d17ca272f85rbb if (s->ssl_key_size != -1) {
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (ajp_msg_append_uint8(msg, SC_A_SSL_KEY_SIZE) ||
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm ajp_msg_append_uint16(msg, (unsigned short) s->ssl_key_size)) {
3568de757bac0b47256647504c186d17ca272f85rbb ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
3568de757bac0b47256647504c186d17ca272f85rbb "Error ajp_marshal_into_msgb - "
74fd6d9aeadb9022086259c5c1ae00bc0dda9c9astoddard "Error appending the SSL key size");
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz return APR_EGENERAL;
3568de757bac0b47256647504c186d17ca272f85rbb /* Use the environment vars prefixed with AJP_
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard * and pass it to the header striping that prefix.
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) ||
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_marshal_into_msgb - "
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error appending attribute %s=%s",
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz "Error ajp_marshal_into_msgb - "
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error appending the message end");
3568de757bac0b47256647504c186d17ca272f85rbb "ajp_marshal_into_msgb - Done");
ad83978f20c7d1a4323059d9af122e56fcd353bdstoddard response_prefix (2)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz status (short)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz status_msg (short)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz num_headers (short)
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz num_headers*(res_header_name header_value)
3568de757bac0b47256647504c186d17ca272f85rbb *body_chunk
3568de757bac0b47256647504c186d17ca272f85rbb terminator boolean <! -- recycle connection or not -->
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddardreq_header_name :=
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard sc_req_header_name | (string)
3568de757bac0b47256647504c186d17ca272f85rbbres_header_name :=
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard sc_res_header_name | (string)
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddardheader_value :=
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddardbody_chunk :=
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard length (short)
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard body length*(var binary)
3568de757bac0b47256647504c186d17ca272f85rbbstatic apr_status_t ajp_unmarshal_response(ajp_msg_t *msg,
3568de757bac0b47256647504c186d17ca272f85rbb "Error ajp_unmarshal_response - Null status");
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard r->status_line = apr_psprintf(r->pool, "%d %s", status, ptr);
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard ap_xlate_proto_from_ascii(r->status_line, strlen(r->status_line));
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "ajp_unmarshal_response: Number of headers is = %d",
cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick for(i = 0 ; i < (int) num_headers ; i++) {
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz const char *value;
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_unmarshal_response - "
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "No such sc (%08x)",
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Error ajp_unmarshal_response - "
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard "Null header name");
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard ap_xlate_proto_from_ascii(stringname, strlen(stringname));
cb97ae2ff6969c2789b8e03f1bc4187fa73b6bafwrowe "Error ajp_unmarshal_response - "
0f113d7123e8bd3e3e2e9b6373461a1a773bfccatrawick "Null header value");
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* Set-Cookie need additional processing */
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard value = ap_proxy_cookie_reverse_map(r, conf, value);
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* Location, Content-Location and URI need additional processing */
c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard value = ap_proxy_location_reverse_map(r, conf, value);
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_unmarshal_response: Header[%d] [%s] = [%s]",
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* Content-type needs an additional handling */
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* add corresponding filter */
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick ap_set_content_type(r, apr_pstrdup(r->pool, value));
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_unmarshal_response: ap_set_content_type done");
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm * Build the ajp header message and send it
28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz "ajp_send_header: ajp_msg_create failed");
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm "ajp_send_header: ajp_marshal_into_msgb failed");
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm "ajp_send_header: ajp_ilink_send failed");
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick * Read the ajp message and return the type of the message.
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_read_header: ajp_msg_create failed");
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_read_header: ajp_ilink_receive failed");
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_read_header: ajp_ilink_received %02x", result);
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick/* parse the msg to read the type */
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return (int) result;
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick/* parse the header */
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickapr_status_t ajp_parse_header(request_rec *r, proxy_server_conf *conf,
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm "ajp_parse_headers: ajp_msg_get_byte failed");
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_parse_headers: wrong type %02x expecting 0x04", result);
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick/* parse the body and return data address and length */
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickapr_status_t ajp_parse_data(request_rec *r, ajp_msg_t *msg,
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm "ajp_parse_data: ajp_msg_get_byte failed");
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "ajp_parse_data: wrong type %02x expecting 0x03", result);
64c351fd973428b5bb4c28e983fa86875ea4e60fdougm * Allocate a msg to send data
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickapr_status_t ajp_alloc_data_msg(apr_pool_t *pool, char **ptr, apr_size_t *len,
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick if ((rc = ajp_msg_create(pool, msg)) != APR_SUCCESS)
8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick * Send the data message