/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#include "ajp_header.h"
#include "ajp.h"
#include "util_script.h"
APLOG_USE_MODULE(proxy_ajp);
static const char *response_trans_headers[] = {
"Content-Type" ,
"Content-Language" ,
"Content-Length" ,
"Date" ,
"Last-Modified" ,
"Location" ,
"Set-Cookie" ,
"Set-Cookie2" ,
"Servlet-Engine" ,
"Status" ,
"WWW-Authenticate"
};
static const char *long_res_header_for_sc(int sc)
{
const char *rc = NULL;
sc = sc & 0 X00FF;
if (sc <= SC_RES_HEADERS_NUM && sc > 0 ) {
rc = response_trans_headers[sc - 1 ];
}
return rc;
}
#define UNKNOWN_METHOD (-1 )
static int sc_for_req_header(const char *header_name)
{
char header[16 ];
apr_size_t len = strlen(header_name);
const char *p = header_name;
int i = 0 ;
/* ACCEPT-LANGUAGE is the longest header
* that is of interest .
*/
if (len < 4 || len > 15 )
return UNKNOWN_METHOD;
memset(header, 0 , sizeof header);
while (*p)
header[i++] = apr_toupper(*p++);
header[i] = '\0' ;
p = &header[1 ];
switch (header[0 ]) {
case 'A' :
if (memcmp(p, "CCEPT" , 5 ) == 0 ) {
if (!header[6 ])
return SC_ACCEPT;
else if (header[6 ] == '-' ) {
p += 6 ;
if (strcmp(p, "CHARSET" ) == 0 )
return SC_ACCEPT_CHARSET;
else if (strcmp(p, "ENCODING" ) == 0 )
return SC_ACCEPT_ENCODING;
else if (strcmp(p, "LANGUAGE" ) == 0 )
return SC_ACCEPT_LANGUAGE;
else
return UNKNOWN_METHOD;
}
else
return UNKNOWN_METHOD;
}
else if (strcmp(p, "UTHORIZATION" ) == 0 )
return SC_AUTHORIZATION;
else
return UNKNOWN_METHOD;
break ;
case 'C' :
if (strcmp(p, "OOKIE2" ) == 0 )
return SC_COOKIE2;
else if (strcmp(p, "OOKIE" ) == 0 )
return SC_COOKIE;
else if (strcmp(p, "ONNECTION" ) == 0 )
return SC_CONNECTION;
else if (strcmp(p, "ONTENT-TYPE" ) == 0 )
return SC_CONTENT_TYPE;
else if (strcmp(p, "ONTENT-LENGTH" ) == 0 )
return SC_CONTENT_LENGTH;
else
return UNKNOWN_METHOD;
break ;
case 'H' :
if (strcmp(p, "OST" ) == 0 )
return SC_HOST;
else
return UNKNOWN_METHOD;
break ;
case 'P' :
if (strcmp(p, "RAGMA" ) == 0 )
return SC_PRAGMA;
else
return UNKNOWN_METHOD;
break ;
case 'R' :
if (strcmp(p, "EFERER" ) == 0 )
return SC_REFERER;
else
return UNKNOWN_METHOD;
break ;
case 'U' :
if (strcmp(p, "SER-AGENT" ) == 0 )
return SC_USER_AGENT;
else
return UNKNOWN_METHOD;
break ;
default :
return UNKNOWN_METHOD;
}
/* NOTREACHED */
}
/* Apache method number to SC methods transform table */
static const unsigned char sc_for_req_method_table[] = {
SC_M_GET,
SC_M_PUT,
SC_M_POST,
SC_M_DELETE,
0 , /* M_CONNECT */
SC_M_OPTIONS,
SC_M_TRACE,
0 , /* M_PATCH */
SC_M_PROPFIND,
SC_M_PROPPATCH,
SC_M_MKCOL,
SC_M_COPY,
SC_M_MOVE,
SC_M_LOCK,
SC_M_UNLOCK,
SC_M_VERSION_CONTROL,
SC_M_CHECKOUT,
SC_M_UNCHECKOUT,
SC_M_CHECKIN,
SC_M_UPDATE,
SC_M_LABEL,
SC_M_REPORT,
SC_M_MKWORKSPACE,
SC_M_MKACTIVITY,
SC_M_BASELINE_CONTROL,
SC_M_MERGE,
0 /* M_INVALID */
};
static int sc_for_req_method_by_id(request_rec *r)
{
int method_id = r->method_number;
if (method_id < 0 || method_id > M_INVALID) {
return UNKNOWN_METHOD;
}
else if (r->header_only) {
return SC_M_HEAD;
}
else {
return sc_for_req_method_table[method_id] ?
sc_for_req_method_table[method_id] : UNKNOWN_METHOD;
}
}
/*
* 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 ) via JkOptions + ForwardKeySize
request_terminator ( byte )
? body content_length * ( var binary )
*/
static apr_status_t ajp_marshal_into_msgb(ajp_msg_t *msg,
request_rec *r,
apr_uri_t *uri,
const char *secret)
{
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,
"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_useragent_host(r, 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);
}
if (secret) {
if (ajp_msg_append_uint8(msg, SC_A_SECRET) ||
ajp_msg_append_string(msg, secret)) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(03228 )
"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 SSL protocol name.
* Modern Tomcat versions know how to retrieve
* the protocol name from this attribute .
*/
if (is_ssl) {
if ((envvar = ap_proxy_ssl_val(r->pool, r->server, r->connection, r,
AJP13_SSL_PROTOCOL_INDICATOR))
&& envvar[0 ]) {
const char *key = SC_A_SSL_PROTOCOL;
if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) ||
ajp_msg_append_string(msg, key) ||
ajp_msg_append_string(msg, envvar)) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(02830 )
"ajp_marshal_into_msgb: "
"Error appending attribute %s=%s" ,
key, envvar);
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;
}
/*
AJPV13_RESPONSE / AJPV14_RESPONSE : =
response_prefix ( 2 )
status ( short )
status_msg ( short )
num_headers ( short )
num_headers * ( res_header_name header_value )
* body_chunk
terminator boolean < ! - - recycle connection or not - - >
req_header_name : =
sc_req_header_name | ( string )
res_header_name : =
sc_res_header_name | ( string )
header_value : =
( string )
body_chunk : =
length ( short )
body length * ( var binary )
*/
static int addit_dammit(void *v, const char *key, const char *val)
{
apr_table_addn(v, key, val);
return 1 ;
}
static apr_status_t ajp_unmarshal_response(ajp_msg_t *msg,
request_rec *r,
proxy_dir_conf *dconf)
{
apr_uint16_t status;
apr_status_t rc;
const char *ptr;
apr_uint16_t num_headers;
int i;
rc = ajp_msg_get_uint16(msg, &status);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00983 )
"ajp_unmarshal_response: Null status" );
return rc;
}
r->status = status;
rc = ajp_msg_get_string(msg, &ptr);
if (rc == APR_SUCCESS) {
#if APR_CHARSET_EBCDIC /* copy only if we have to */
ptr = apr_pstrdup(r->pool, ptr);
ap_xlate_proto_from_ascii(ptr, strlen(ptr));
#endif
r->status_line = apr_psprintf(r->pool, "%d %s" , status, ptr);
}
else {
r->status_line = NULL;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE4, 0 , r,
"ajp_unmarshal_response: status = %d" , status);
rc = ajp_msg_get_uint16(msg, &num_headers);
if (rc == APR_SUCCESS) {
apr_table_t *save_table;
/* First, tuck away all already existing cookies */
/*
* Could optimize here , but just in case we want to
* also save other headers , keep this logic .
*/
save_table = apr_table_make(r->pool, num_headers + 2 );
apr_table_do(addit_dammit, save_table, r->headers_out,
"Set-Cookie" , NULL);
r->headers_out = save_table;
}
else {
/*
* Reset headers , but not to NULL because things below the chain expect
* this to be non NULL e . g . the ap_content_length_filter .
*/
r->headers_out = apr_table_make(r->pool, 1 );
num_headers = 0 ;
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(10405 )
"ajp_unmarshal_response: Bad number of headers" );
return rc;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE4, 0 , r,
"ajp_unmarshal_response: Number of headers is = %d" ,
num_headers);
for (i = 0 ; i < (int )num_headers; i++) {
apr_uint16_t name;
const char *stringname;
const char *value;
rc = ajp_msg_peek_uint16(msg, &name);
if (rc != APR_SUCCESS) {
return rc;
}
if ((name & 0 XFF00) == 0 XA000) {
ajp_msg_get_uint16(msg, &name);
stringname = long_res_header_for_sc(name);
if (stringname == NULL) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00984 )
"ajp_unmarshal_response: "
"No such sc (%08x)" ,
name);
return AJP_EBAD_HEADER;
}
}
else {
name = 0 ;
rc = ajp_msg_get_string(msg, &stringname);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00985 )
"ajp_unmarshal_response: "
"Null header name" );
return rc;
}
ap_xlate_proto_from_ascii(stringname, strlen(stringname));
}
rc = ajp_msg_get_string(msg, &value);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00986 )
"ajp_unmarshal_response: "
"Null header value" );
return rc;
}
/* Set-Cookie need additional processing */
if (!ap_cstr_casecmp(stringname, "Set-Cookie" )) {
value = ap_proxy_cookie_reverse_map(r, dconf, value);
}
/* Location, Content-Location, URI and Destination need additional
* processing */
else if (!ap_cstr_casecmp(stringname, "Location" )
|| !ap_cstr_casecmp(stringname, "Content-Location" )
|| !ap_cstr_casecmp(stringname, "URI" )
|| !ap_cstr_casecmp(stringname, "Destination" ))
{
value = ap_proxy_location_reverse_map(r, dconf, value);
}
ap_xlate_proto_from_ascii(value, strlen(value));
ap_log_rerror(APLOG_MARK, APLOG_TRACE5, 0 , r,
"ajp_unmarshal_response: Header[%d] [%s] = [%s]" ,
i, stringname, value);
apr_table_add(r->headers_out, stringname, value);
/* Content-type needs an additional handling */
if (ap_cstr_casecmp(stringname, "Content-Type" ) == 0 ) {
/* add corresponding filter */
ap_set_content_type(r, apr_pstrdup(r->pool, value));
ap_log_rerror(APLOG_MARK, APLOG_TRACE5, 0 , r,
"ajp_unmarshal_response: ap_set_content_type to '%s'" , value);
}
}
/* AJP has its own body framing mechanism which we don't
* match against any provided Content - Length , so let the
* core determine C - L vs T - E based on what ' s actually sent .
*/
if (!apr_table_get(r->subprocess_env, AP_TRUST_CGILIKE_CL_ENVVAR))
apr_table_unset(r->headers_out, "Content-Length" );
apr_table_unset(r->headers_out, "Transfer-Encoding" );
return APR_SUCCESS;
}
/*
* Build the ajp header message and send it
*/
apr_status_t ajp_send_header(apr_socket_t *sock,
request_rec *r,
apr_size_t buffsize,
apr_uri_t *uri,
const char *secret)
{
ajp_msg_t *msg;
apr_status_t rc;
rc = ajp_msg_create(r->pool, buffsize, &msg);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00987 )
"ajp_send_header: ajp_msg_create failed" );
return rc;
}
rc = ajp_marshal_into_msgb(msg, r, uri, secret);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00988 )
"ajp_send_header: ajp_marshal_into_msgb failed" );
return rc;
}
rc = ajp_ilink_send(sock, msg);
ajp_msg_log(r, msg, "ajp_send_header: ajp_ilink_send packet dump" );
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00989 )
"ajp_send_header: ajp_ilink_send failed" );
return rc;
}
return APR_SUCCESS;
}
/*
* Read the ajp message and return the type of the message .
*/
apr_status_t ajp_read_header(apr_socket_t *sock,
request_rec *r,
apr_size_t buffsize,
ajp_msg_t **msg)
{
apr_byte_t result;
apr_status_t rc;
if (*msg) {
rc = ajp_msg_reuse(*msg);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00990 )
"ajp_read_header: ajp_msg_reuse failed" );
return rc;
}
}
else {
rc = ajp_msg_create(r->pool, buffsize, msg);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00991 )
"ajp_read_header: ajp_msg_create failed" );
return rc;
}
}
ajp_msg_reset(*msg);
rc = ajp_ilink_receive(sock, *msg);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00992 )
"ajp_read_header: ajp_ilink_receive failed" );
return rc;
}
ajp_msg_log(r, *msg, "ajp_read_header: ajp_ilink_receive packet dump" );
rc = ajp_msg_peek_uint8(*msg, &result);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00993 )
"ajp_read_header: ajp_msg_peek_uint8 failed" );
return rc;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0 , r,
"ajp_read_header: ajp_ilink_received %s (0x%02x)" ,
ajp_type_str(result), result);
return APR_SUCCESS;
}
/* parse the msg to read the type */
int ajp_parse_type(request_rec *r, ajp_msg_t *msg)
{
apr_byte_t result;
ajp_msg_peek_uint8(msg, &result);
ap_log_rerror(APLOG_MARK, APLOG_TRACE6, 0 , r,
"ajp_parse_type: got %s (0x%02x)" ,
ajp_type_str(result), result);
return (int ) result;
}
/* parse the header */
apr_status_t ajp_parse_header(request_rec *r, proxy_dir_conf *conf,
ajp_msg_t *msg)
{
apr_byte_t result;
apr_status_t rc;
rc = ajp_msg_get_uint8(msg, &result);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00994 )
"ajp_parse_headers: ajp_msg_get_byte failed" );
return rc;
}
if (result != CMD_AJP13_SEND_HEADERS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00995 )
"ajp_parse_headers: wrong type %s (0x%02x) expecting %s (0x%02x)" ,
ajp_type_str(result), result,
ajp_type_str(CMD_AJP13_SEND_HEADERS), CMD_AJP13_SEND_HEADERS);
return AJP_EBAD_HEADER;
}
return ajp_unmarshal_response(msg, r, conf);
}
/* parse the body and return data address and length */
apr_status_t ajp_parse_data(request_rec *r, ajp_msg_t *msg,
apr_uint16_t *len, char **ptr)
{
apr_byte_t result;
apr_status_t rc;
apr_uint16_t expected_len;
rc = ajp_msg_get_uint8(msg, &result);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00996 )
"ajp_parse_data: ajp_msg_get_byte failed" );
return rc;
}
if (result != CMD_AJP13_SEND_BODY_CHUNK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00997 )
"ajp_parse_data: wrong type %s (0x%02x) expecting %s (0x%02x)" ,
ajp_type_str(result), result,
ajp_type_str(CMD_AJP13_SEND_BODY_CHUNK), CMD_AJP13_SEND_BODY_CHUNK);
return AJP_EBAD_HEADER;
}
rc = ajp_msg_get_uint16(msg, len);
if (rc != APR_SUCCESS) {
return rc;
}
/*
* msg - > len contains the complete length of the message including all
* headers . So the expected length for a CMD_AJP13_SEND_BODY_CHUNK is
* msg - > len minus the sum of
* AJP_HEADER_LEN : The length of the header to every AJP message .
* AJP_HEADER_SZ_LEN : The header giving the size of the chunk .
* 1 : The CMD_AJP13_SEND_BODY_CHUNK indicator byte ( 0 x03 ) .
* 1 : The last byte of this message always seems to be
* 0 x00 and is not part of the chunk .
*/
expected_len = msg->len - (AJP_HEADER_LEN + AJP_HEADER_SZ_LEN + 1 + 1 );
if (*len != expected_len) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00998 )
"ajp_parse_data: Wrong chunk length. Length of chunk is %i,"
" expected length is %i." , *len, expected_len);
return AJP_EBAD_HEADER;
}
*ptr = (char *)&(msg->buf[msg->pos]);
return APR_SUCCESS;
}
/* Check the reuse flag in CMD_AJP13_END_RESPONSE */
apr_status_t ajp_parse_reuse(request_rec *r, ajp_msg_t *msg,
apr_byte_t *reuse)
{
apr_byte_t result;
apr_status_t rc;
rc = ajp_msg_get_uint8(msg, &result);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(00999 )
"ajp_parse_reuse: ajp_msg_get_byte failed" );
return rc;
}
if (result != CMD_AJP13_END_RESPONSE) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0 , r, APLOGNO(01000 )
"ajp_parse_reuse: wrong type %s (0x%02x) expecting %s (0x%02x)" ,
ajp_type_str(result), result,
ajp_type_str(CMD_AJP13_END_RESPONSE), CMD_AJP13_END_RESPONSE);
return AJP_EBAD_HEADER;
}
return ajp_msg_get_uint8(msg, reuse);
}
/*
* Allocate a msg to send data
*/
apr_status_t ajp_alloc_data_msg(apr_pool_t *pool, char **ptr, apr_size_t *len,
ajp_msg_t **msg)
{
apr_status_t rc;
if ((rc = ajp_msg_create(pool, *len, msg)) != APR_SUCCESS)
return rc;
ajp_msg_reset(*msg);
*ptr = (char *)&((*msg)->buf[6 ]);
*len = *len - 6 ;
return APR_SUCCESS;
}
/*
* Send the data message
*/
apr_status_t ajp_send_data_msg(apr_socket_t *sock,
ajp_msg_t *msg, apr_size_t len)
{
msg->buf[4 ] = (apr_byte_t)((len >> 8 ) & 0 xFF);
msg->buf[5 ] = (apr_byte_t)(len & 0 xFF);
msg->len += len + 2 ; /* + 1 XXXX where is '\0' */
return ajp_ilink_send(sock, msg);
}
Messung V0.5 in Prozent C=76 H=98 G=87
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-09-27)
¤
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