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Posted to cvs@httpd.apache.org by jf...@apache.org on 2004/08/18 18:09:28 UTC
cvs commit: httpd-2.0/modules/proxy ajp.h ajp_header.c ajp_header.h ajp_link.c ajp_msg.c
jfclere 2004/08/18 09:09:28
Added: modules/proxy ajp.h ajp_header.c ajp_header.h ajp_link.c
ajp_msg.c
Log:
jakarta-tomcat-connectors AJP files.
The original location of the files in jakarta is:
jakarta-tomcat-connectors/ajp/ajplib/test
(That was not a good idea)
Revision Changes Path
1.1 httpd-2.0/modules/proxy/ajp.h
Index: ajp.h
===================================================================
/* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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.
*/
#ifndef AJP_H
#define AJP_H
#include "apr_version.h"
#include "apr.h"
#include "apr_hooks.h"
#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_buckets.h"
#include "apr_md5.h"
#include "apr_network_io.h"
#include "apr_pools.h"
#include "apr_strings.h"
#include "apr_uri.h"
#include "apr_date.h"
#include "apr_fnmatch.h"
#define APR_WANT_STRFUNC
#include "apr_want.h"
#if APR_HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if APR_HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#define AJP13_DEF_HOST "127.0.0.1"
#ifdef NETWARE
#define AJP13_DEF_PORT 9009 /* default to 9009 since 8009 is used by OS */
#else
#define AJP13_DEF_PORT 8009
#endif
#if APR_CHARSET_EBCDIC
#define USE_CHARSET_EBCDIC
#define ajp_xlate_to_ascii(b, l) ap_xlate_proto_to_ascii(b, l)
#define ajp_xlate_from_ascii(b, l) ap_xlate_proto_from_ascii(b, l)
#else /* APR_CHARSET_EBCDIC */
#define ajp_xlate_to_ascii(b, l)
#define ajp_xlate_from_ascii(b, l)
#endif
#ifdef AJP_USE_HTTPD_WRAP
#include "httpd_wrap.h"
#else
#include "httpd.h"
#include "http_config.h"
#include "http_request.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_main.h"
#include "http_log.h"
#endif
/** AJP Specific error codes
*/
/** Buffer overflow exception */
#define AJP_EOVERFLOW (APR_OS_START_USERERR + 1)
/** Destination Buffer is to small */
#define AJP_ETOSMALL (APR_OS_START_USERERR + 2)
/** Invalid input parameters */
#define AJP_EINVAL (APR_OS_START_USERERR + 3)
/** Bad message signature */
#define AJP_EBAD_SIGNATURE (APR_OS_START_USERERR + 4)
/** Incoming message too bg */
#define AJP_ETOBIG (APR_OS_START_USERERR + 5)
/** Missing message header */
#define AJP_ENO_HEADER (APR_OS_START_USERERR + 6)
/** Bad message header */
#define AJP_EBAD_HEADER (APR_OS_START_USERERR + 7)
/** Bad message */
#define AJP_EBAD_MESSAGE (APR_OS_START_USERERR + 8)
/** Cant log via AJP14 */
#define AJP_ELOGFAIL (APR_OS_START_USERERR + 9)
/** A structure that represents ajp message */
typedef struct ajp_msg ajp_msg_t;
/** A structure that represents ajp message */
struct ajp_msg
{
/** The buffer holding a AJP message */
apr_byte_t *buf;
/** The length of AJP message header (defaults to AJP_HEADER_LEN) */
apr_size_t header_len;
/** The length of AJP message */
apr_size_t len;
/** The current read position */
apr_size_t pos;
/** Flag indicating the origing of the message */
int server_side;
};
/**
* @defgroup AJP_defines AJP definitions
* @{
*/
/**
* Signature for the messages sent from Apache to tomcat
*/
#define AJP13_WS_HEADER 0x1234
#define AJP_HEADER_LEN 4
#define AJP_HEADER_SZ_LEN 2
#define AJP_MSG_BUFFER_SZ (8*1024)
#define AJP13_MAX_SEND_BODY_SZ (AJP_MSG_BUFFER_SZ - 6)
/** Send a request from web server to container*/
#define CMD_AJP13_FORWARD_REQUEST (unsigned char)2
/** Write a body chunk from the servlet container to the web server */
#define CMD_AJP13_SEND_BODY_CHUNK (unsigned char)3
/** Send response headers from the servlet container to the web server. */
#define CMD_AJP13_SEND_HEADERS (unsigned char)4
/** Marks the end of response. */
#define CMD_AJP13_END_RESPONSE (unsigned char)5
/** Get further data from the web server if it hasn't all been transferred yet. */
#define CMD_AJP13_GET_BODY_CHUNK (unsigned char)6
/** The web server asks the container to shut itself down. */
#define CMD_AJP13_SHUTDOWN (unsigned char)7
/** Webserver ask container to take control (logon phase) */
#define CMD_AJP13_PING (unsigned char)8
/** Container response to cping request */
#define CMD_AJP13_CPONG (unsigned char)9
/** Webserver check if container is alive, since container should respond by cpong */
#define CMD_AJP13_CPING (unsigned char)10
/** @} */
/**
* @defgroup AJP_api AJP API functions
* @{
*/
/**
* Check a new AJP Message by looking at signature and return its size
*
* @param msg AJP Message to check
* @param len Pointer to returned len
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_check_header(ajp_msg_t *msg, apr_size_t *len);
/**
* Reset an AJP Message
*
* @param msg AJP Message to reset
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_reset(ajp_msg_t *msg);
/**
* Mark the end of an AJP Message
*
* @param msg AJP Message to end
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_end(ajp_msg_t *msg);
/**
* Add an unsigned 32bits value to AJP Message
*
* @param msg AJP Message to get value from
* @param value value to add to AJP Message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_uint32(ajp_msg_t *msg, apr_uint32_t value);
/**
* Add an unsigned 16bits value to AJP Message
*
* @param msg AJP Message to get value from
* @param value value to add to AJP Message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_uint16(ajp_msg_t *msg, apr_uint16_t value);
/**
* Add an unsigned 8bits value to AJP Message
*
* @param msg AJP Message to get value from
* @param value value to add to AJP Message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_uint8(ajp_msg_t *msg, apr_byte_t value);
/**
* Add a String in AJP message, and transform the String in ASCII
* if convert is set and we're on an EBCDIC machine
*
* @param msg AJP Message to get value from
* @param value Pointer to String
* @param convert When set told to convert String to ASCII
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_string_ex(ajp_msg_t *msg, const char *value,
int convert);
/**
* Add a String in AJP message, and transform
* the String in ASCII if we're on an EBCDIC machine
*/
#define ajp_msg_append_string(m, v) ajp_msg_append_string_ex(m, v, 1)
/**
* Add a String in AJP message.
*/
#define ajp_msg_append_string_ascii(m, v) ajp_msg_append_string_ex(m, v, 0)
/**
* Add a Byte array to AJP Message
*
* @param msg AJP Message to get value from
* @param value Pointer to Byte array
* @param valuelen Byte array len
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_bytes(ajp_msg_t *msg, const apr_byte_t *value,
apr_size_t valuelen);
/**
* Get a 32bits unsigned value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_uint32(ajp_msg_t *msg, apr_uint32_t *rvalue);
/**
* Get a 16bits unsigned value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_uint16(ajp_msg_t *msg, apr_uint16_t *rvalue);
/**
* Peek a 16bits unsigned value from AJP Message, position in message
* is not updated
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_peek_uint16(ajp_msg_t *msg, apr_uint16_t *rvalue);
/**
* Get a 8bits unsigned value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_uint8(ajp_msg_t *msg, apr_byte_t *rvalue);
/**
* Peek a 8bits unsigned value from AJP Message, position in message
* is not updated
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_peek_uint8(ajp_msg_t *msg, apr_byte_t *rvalue);
/**
* Get a String value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_string(ajp_msg_t *msg, char **rvalue);
/**
* Get a Byte array from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @param rvalueLen Pointer where Byte array len will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_bytes(ajp_msg_t *msg, apr_byte_t **rvalue,
apr_size_t *rvalue_len);
/**
* Create an AJP Message from pool
*
* @param pool memory pool to allocate AJP message from
* @param rmsg Pointer to newly created AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_create(apr_pool_t *pool, ajp_msg_t **rmsg);
/**
* Recopy an AJP Message to another
*
* @param smsg source AJP message
* @param dmsg destination AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_copy(ajp_msg_t *smsg, ajp_msg_t *dmsg);
/**
* Serialize in an AJP Message a PING command
*
* +-----------------------+
* | PING CMD (1 byte) |
* +-----------------------+
*
* @param smsg AJP message to put serialized message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_serialize_ping(ajp_msg_t *msg);
/**
* Serialize in an AJP Message a CPING command
*
* +-----------------------+
* | CPING CMD (1 byte) |
* +-----------------------+
*
* @param smsg AJP message to put serialized message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_serialize_cping(ajp_msg_t *msg);
/**
* Dump up to the first 1024 bytes on an AJP Message
*
* @param msg AJP Message to dump
* @param err error string to display
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_dump(ajp_msg_t *msg, char *err);
/**
* Send an AJP message to backend
*
* @param soct backend socket
* @param smsg AJP message to put serialized message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_ilink_send(apr_socket_t *sock, ajp_msg_t *msg);
/**
* Receive an AJP message from backend
*
* @param sock backend socket
* @param smsg AJP message to put serialized message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_ilink_receive(apr_socket_t *sock, ajp_msg_t *msg);
/**
* Build the ajp header message and send it
* @param sock backend socket
* @param r current request
* @return APR_SUCCESS or error
*/
apr_status_t ajp_send_header(apr_socket_t *sock, request_rec *r);
/**
* Read the ajp message and return the type of the message.
* @param sock backend socket
* @param r current request
* @param msg returned AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_read_header(apr_socket_t *sock,
request_rec *r,
ajp_msg_t **msg);
/**
* Allocate a msg to send data
* @param r current request
* @param ptr data buffer
* @param len the length of allocated data buffer
* @param msg returned AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_alloc_data_msg(request_rec *r, char **ptr, apr_size_t *len,
ajp_msg_t **msg);
/**
* Send the data message
* @param sock backend socket
* @param r current request
* @param msg AJP message to send
* @param len AJP message length
* @return APR_SUCCESS or error
*/
apr_status_t ajp_send_data_msg(apr_socket_t *sock, request_rec *r,
ajp_msg_t *msg, apr_size_t len);
/**
* Parse the message type
* @param r current request
* @param msg AJP message
* @return AJP message type.
*/
int ajp_parse_type(request_rec *r, ajp_msg_t *msg);
/**
* Parse the header message from container
* @param r current request
* @param msg AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_parse_header(request_rec *r, ajp_msg_t *msg);
/**
* Parse the message body and return data address and length
* @param r current request
* @param msg AJP message
* @param len returned AJP message length
* @param ptr returned data
* @return APR_SUCCESS or error
*/
apr_status_t ajp_parse_data(request_rec *r, ajp_msg_t *msg,
apr_uint16_t *len, char **ptr);
/** @} */
#endif /* AJP_H */
1.1 httpd-2.0/modules/proxy/ajp_header.c
Index: ajp_header.c
===================================================================
/*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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"
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 & 0X00FF;
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 headeer
* that is of interest.
*/
if (len < 4 || len > 15)
return UNKNOWN_METHOD;
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 (memcmp(p, "CHARSET", 7) == 0)
return SC_ACCEPT_CHARSET;
else if (memcmp(p, "ENCODING", 8) == 0)
return SC_ACCEPT_ENCODING;
else if (memcmp(p, "LANGUAGE", 8) == 0)
return SC_ACCEPT_LANGUAGE;
else
return UNKNOWN_METHOD;
}
else
return UNKNOWN_METHOD;
}
else if (memcmp(p, "UTHORIZATION", 12) == 0)
return SC_AUTHORIZATION;
else
return UNKNOWN_METHOD;
break;
case 'C':
if (memcmp(p, "OOKIE", 5) == 0)
return SC_COOKIE;
else if(memcmp(p, "ONNECTION", 9) == 0)
return SC_CONNECTION;
else if(memcmp(p, "ONTENT-TYPE", 11) == 0)
return SC_CONTENT_TYPE;
else if(memcmp(p, "ONTENT-LENGTH", 13) == 0)
return SC_CONTENT_LENGTH;
else if(memcmp(p, "OOKIE2", 6) == 0)
return SC_COOKIE2;
else
return UNKNOWN_METHOD;
break;
case 'H':
if(memcmp(p, "OST", 3) == 0)
return SC_HOST;
else
return UNKNOWN_METHOD;
break;
case 'P':
if(memcmp(p, "RAGMA", 5) == 0)
return SC_PRAGMA;
else
return UNKNOWN_METHOD;
break;
case 'R':
if(memcmp(p, "EFERER", 6) == 0)
return SC_REFERER;
else
return UNKNOWN_METHOD;
break;
case 'U':
if(memcmp(p, "SER-AGENT", 9) == 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_DELETE */
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(int method_id)
{
if (method_id < 0 || method_id > M_INVALID)
return UNKNOWN_METHOD;
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)
{
int method;
apr_uint32_t i, num_headers = 0;
apr_byte_t is_ssl;
char *remote_host;
char *uri;
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"Into ajp_marshal_into_msgb");
if ((method = sc_for_req_method_by_id(r->method_number)) == UNKNOWN_METHOD) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - No such method %s",
r->method);
return APR_EGENERAL;
}
/* XXXX need something */
is_ssl = (apr_byte_t) 0; /* s->is_ssl */
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);
uri = apr_pstrdup(r->pool, r->uri);
if (uri != NULL) {
char *query_str = strchr(uri, '?');
if (query_str != NULL) {
*query_str = 0;
}
}
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->protocol) ||
ajp_msg_append_string(msg, uri) ||
ajp_msg_append_string(msg, r->connection->remote_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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the message begining");
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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the header name");
return APR_EGENERAL;
}
}
else {
if (ajp_msg_append_string(msg, elts[i].key)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the header name");
return APR_EGENERAL;
}
}
if (ajp_msg_append_string(msg, elts[i].val)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the header value");
return APR_EGENERAL;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the remote user");
return APR_EGENERAL;
}
}
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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the auth type");
return APR_EGENERAL;
}
}
/* XXXX ebcdic (args converted?) */
if (r->args) {
if (ajp_msg_append_uint8(msg, SC_A_QUERY_STRING) ||
ajp_msg_append_string(msg, r->args)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the query string");
return APR_EGENERAL;
}
}
/* XXXX ignored for the moment
if (s->jvm_route) {
if (ajp_msg_append_uint8(msg, SC_A_JVM_ROUTE) ||
ajp_msg_append_string(msg, s->jvm_route)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the jvm route");
return APR_EGENERAL;
}
}
if (s->ssl_cert_len) {
if (ajp_msg_append_uint8(msg, SC_A_SSL_CERT) ||
ajp_msg_append_string(msg, s->ssl_cert)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the SSL certificates");
return APR_EGENERAL;
}
}
if (s->ssl_cipher) {
if (ajp_msg_append_uint8(msg, SC_A_SSL_CIPHER) ||
ajp_msg_append_string(msg, s->ssl_cipher)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the SSL ciphers");
return APR_EGENERAL;
}
}
if (s->ssl_session) {
if (ajp_msg_append_uint8(msg, SC_A_SSL_SESSION) ||
ajp_msg_append_string(msg, s->ssl_session)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the SSL session");
return APR_EGENERAL;
}
}
*/
/*
* ssl_key_size is required by Servlet 2.3 API
* added support only in ajp14 mode
* JFC removed: ae->proto == AJP14_PROTO
*/
/* XXXX ignored for the moment
if (s->ssl_key_size != -1) {
if (ajp_msg_append_uint8(msg, SC_A_SSL_KEY_SIZE) ||
ajp_msg_append_uint16(msg, (unsigned short) s->ssl_key_size)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the SSL key size");
return APR_EGENERAL;
}
}
*/
/* XXXX ignored for the moment
if (s->num_attributes > 0) {
for (i = 0 ; i < s->num_attributes ; i++) {
if (ajp_msg_append_uint8(msg, SC_A_REQ_ATTRIBUTE) ||
ajp_msg_append_string(msg, s->attributes_names[i]) ||
ajp_msg_append_string(msg, s->attributes_values[i])) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending attribute %s=%s",
s->attributes_names[i], s->attributes_values[i]);
return APR_EGENERAL;
}
}
}
*/
if (ajp_msg_append_uint8(msg, SC_A_ARE_DONE)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_marshal_into_msgb - "
"Error appending the message end");
return APR_EGENERAL;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"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 apr_status_t ajp_unmarshal_response(ajp_msg_t *msg,
request_rec *r)
{
apr_uint16_t status;
apr_status_t rc;
char *ptr;
apr_uint16_t num_headers;
int i;
rc = ajp_msg_get_uint16(msg, &status);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_unmarshal_response - Null status");
return APR_EGENERAL;
}
r->status = status;
rc = ajp_msg_get_string(msg, &ptr);
if (rc == APR_SUCCESS) {
r->status_line = apr_psprintf(r->pool, "%d %s", status, ptr);
#if defined(AS400) || defined(_OSD_POSIX)
ap_xlate_proto_from_ascii(r->status_line, strlen(r->status_line));
#endif
} else {
r->status_line = NULL;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"ajp_unmarshal_response: status = %d", status);
rc = ajp_msg_get_uint16(msg, &num_headers);
if (rc == APR_SUCCESS) {
r->headers_out = apr_table_make(r->pool, num_headers);
} else {
r->headers_out = NULL;
num_headers = 0;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"ajp_unmarshal_response: Number of headers is = %d",
num_headers);
for(i = 0 ; i < (int) num_headers ; i++) {
apr_uint16_t name;
char *stringname;
char *value;
rc = ajp_msg_peek_uint16(msg, &name);
if (rc != APR_SUCCESS) {
return APR_EGENERAL;
}
if ((name & 0XFF00) == 0XA000) {
ajp_msg_peek_uint16(msg, &name);
stringname = (char *)long_res_header_for_sc(name);
if (stringname == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_unmarshal_response - "
"No such sc (%08x)",
name);
return APR_EGENERAL;
}
} else {
name = 0;
rc = ajp_msg_get_string(msg, &stringname);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_unmarshal_response - "
"Null header name");
return APR_EGENERAL;
}
#if defined(AS400) || defined(_OSD_POSIX)
ap_xlate_proto_from_ascii(stringname, strlen(stringname));
#endif
}
rc = ajp_msg_get_string(msg, &value);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"Error ajp_unmarshal_response - "
"Null header value");
return APR_EGENERAL;
}
#if defined(AS400) || defined(_OSD_POSIX)
ap_xlate_proto_from_ascii(value, strlen(value));
#endif
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"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 (memcmp(stringname, "Content-Type", 12) == 0) {
/* add corresponding filter */
ap_set_content_type(r, apr_pstrdup(r->pool, value));
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"ajp_unmarshal_response: ap_set_content_type done");
}
}
return APR_SUCCESS;
}
/*
* Build the ajp header message and send it
*/
apr_status_t ajp_send_header(apr_socket_t *sock,
request_rec *r)
{
ajp_msg_t *msg;
apr_status_t rc;
rc = ajp_msg_create(r->pool, &msg);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_send_header: ajp_msg_create failed");
return rc;
}
rc = ajp_marshal_into_msgb(msg, r);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_send_header: ajp_marshal_into_msgb failed");
return rc;
}
rc = ajp_ilink_send(sock, msg);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"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,
ajp_msg_t **msg)
{
apr_byte_t result;
apr_status_t rc;
rc = ajp_msg_create(r->pool, msg);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_read_header: ajp_ilink_receive failed");
return rc;
}
rc = ajp_msg_peek_uint8(*msg, &result);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"ajp_read_header: ajp_ilink_received %02x", 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_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"ajp_parse_type: got %02x", result);
return (int) result;
}
/* parse the header */
apr_status_t ajp_parse_header(request_rec *r, 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_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_parse_headers: ajp_msg_get_byte failed");
return rc;
}
if (result != CMD_AJP13_SEND_HEADERS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_parse_headers: wrong type %02x expecting 0x04", result);
return APR_EGENERAL;
}
return ajp_unmarshal_response(msg, r);
}
/* 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;
rc = ajp_msg_get_uint8(msg, &result);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_parse_data: ajp_msg_get_byte failed");
return rc;
}
if (result != CMD_AJP13_SEND_BODY_CHUNK) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_parse_data: wrong type %02x expecting 0x03", result);
return APR_EGENERAL;
}
rc = ajp_msg_get_uint16(msg, len);
if (rc != APR_SUCCESS) {
return APR_EGENERAL;
}
*ptr = (char *)&(msg->buf[msg->pos]);
return APR_SUCCESS;
}
/*
* Allocate a msg to send data
*/
apr_status_t ajp_alloc_data_msg(request_rec *r, char **ptr, apr_size_t *len,
ajp_msg_t **msg)
{
apr_status_t rc;
rc = ajp_msg_create(r->pool, msg);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_alloc_data_msg: ajp_msg_create failed");
return rc;
}
ajp_msg_reset(*msg);
*ptr = (char *)&((*msg)->buf[6]);
*len = AJP_MSG_BUFFER_SZ-6;
return APR_SUCCESS;
}
/*
* Send the data message
*/
apr_status_t ajp_send_data_msg(apr_socket_t *sock, request_rec *r,
ajp_msg_t *msg, apr_size_t len)
{
apr_status_t rc;
msg->buf[4] = (apr_byte_t)((len >> 8) & 0xFF);
msg->buf[5] = (apr_byte_t)(len & 0xFF);
msg->len += len + 2; /* + 1 XXXX where is '\0' */
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"ajp_send_data_msg: sending %d", len);
rc = ajp_ilink_send(sock, msg);
if (rc != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"ajp_send_data_msg: ajp_ilink_send failed");
return rc;
}
return APR_SUCCESS;
}
1.1 httpd-2.0/modules/proxy/ajp_header.h
Index: ajp_header.h
===================================================================
/*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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.
*/
#ifndef AJP_HEADER_H
#define AJP_HEADER_H
/*
* Conditional request attributes
*
*/
#define SC_A_CONTEXT (unsigned char)1
#define SC_A_SERVLET_PATH (unsigned char)2
#define SC_A_REMOTE_USER (unsigned char)3
#define SC_A_AUTH_TYPE (unsigned char)4
#define SC_A_QUERY_STRING (unsigned char)5
#define SC_A_JVM_ROUTE (unsigned char)6
#define SC_A_SSL_CERT (unsigned char)7
#define SC_A_SSL_CIPHER (unsigned char)8
#define SC_A_SSL_SESSION (unsigned char)9
#define SC_A_REQ_ATTRIBUTE (unsigned char)10
#define SC_A_SSL_KEY_SIZE (unsigned char)11 /* only in if JkOptions +ForwardKeySize */
#define SC_A_SECRET (unsigned char)12
#define SC_A_ARE_DONE (unsigned char)0xFF
/*
* Request methods, coded as numbers instead of strings.
* The list of methods was taken from Section 5.1.1 of RFC 2616,
* RFC 2518, the ACL IETF draft, and the DeltaV IESG Proposed Standard.
* Method = "OPTIONS"
* | "GET"
* | "HEAD"
* | "POST"
* | "PUT"
* | "DELETE"
* | "TRACE"
* | "PROPFIND"
* | "PROPPATCH"
* | "MKCOL"
* | "COPY"
* | "MOVE"
* | "LOCK"
* | "UNLOCK"
* | "ACL"
* | "REPORT"
* | "VERSION-CONTROL"
* | "CHECKIN"
* | "CHECKOUT"
* | "UNCHECKOUT"
* | "SEARCH"
* | "MKWORKSPACE"
* | "UPDATE"
* | "LABEL"
* | "MERGE"
* | "BASELINE-CONTROL"
* | "MKACTIVITY"
*
*/
#define SC_M_OPTIONS (unsigned char)1
#define SC_M_GET (unsigned char)2
#define SC_M_HEAD (unsigned char)3
#define SC_M_POST (unsigned char)4
#define SC_M_PUT (unsigned char)5
#define SC_M_DELETE (unsigned char)6
#define SC_M_TRACE (unsigned char)7
#define SC_M_PROPFIND (unsigned char)8
#define SC_M_PROPPATCH (unsigned char)9
#define SC_M_MKCOL (unsigned char)10
#define SC_M_COPY (unsigned char)11
#define SC_M_MOVE (unsigned char)12
#define SC_M_LOCK (unsigned char)13
#define SC_M_UNLOCK (unsigned char)14
#define SC_M_ACL (unsigned char)15
#define SC_M_REPORT (unsigned char)16
#define SC_M_VERSION_CONTROL (unsigned char)17
#define SC_M_CHECKIN (unsigned char)18
#define SC_M_CHECKOUT (unsigned char)19
#define SC_M_UNCHECKOUT (unsigned char)20
#define SC_M_SEARCH (unsigned char)21
#define SC_M_MKWORKSPACE (unsigned char)22
#define SC_M_UPDATE (unsigned char)23
#define SC_M_LABEL (unsigned char)24
#define SC_M_MERGE (unsigned char)25
#define SC_M_BASELINE_CONTROL (unsigned char)26
#define SC_M_MKACTIVITY (unsigned char)27
/*
* Frequent request headers, these headers are coded as numbers
* instead of strings.
*
* Accept
* Accept-Charset
* Accept-Encoding
* Accept-Language
* Authorization
* Connection
* Content-Type
* Content-Length
* Cookie
* Cookie2
* Host
* Pragma
* Referer
* User-Agent
*
*/
#define SC_ACCEPT (unsigned short)0xA001
#define SC_ACCEPT_CHARSET (unsigned short)0xA002
#define SC_ACCEPT_ENCODING (unsigned short)0xA003
#define SC_ACCEPT_LANGUAGE (unsigned short)0xA004
#define SC_AUTHORIZATION (unsigned short)0xA005
#define SC_CONNECTION (unsigned short)0xA006
#define SC_CONTENT_TYPE (unsigned short)0xA007
#define SC_CONTENT_LENGTH (unsigned short)0xA008
#define SC_COOKIE (unsigned short)0xA009
#define SC_COOKIE2 (unsigned short)0xA00A
#define SC_HOST (unsigned short)0xA00B
#define SC_PRAGMA (unsigned short)0xA00C
#define SC_REFERER (unsigned short)0xA00D
#define SC_USER_AGENT (unsigned short)0xA00E
/*
* Frequent response headers, these headers are coded as numbers
* instead of strings.
*
* Content-Type
* Content-Language
* Content-Length
* Date
* Last-Modified
* Location
* Set-Cookie
* Servlet-Engine
* Status
* WWW-Authenticate
*
*/
#define SC_RESP_CONTENT_TYPE (unsigned short)0xA001
#define SC_RESP_CONTENT_LANGUAGE (unsigned short)0xA002
#define SC_RESP_CONTENT_LENGTH (unsigned short)0xA003
#define SC_RESP_DATE (unsigned short)0xA004
#define SC_RESP_LAST_MODIFIED (unsigned short)0xA005
#define SC_RESP_LOCATION (unsigned short)0xA006
#define SC_RESP_SET_COOKIE (unsigned short)0xA007
#define SC_RESP_SET_COOKIE2 (unsigned short)0xA008
#define SC_RESP_SERVLET_ENGINE (unsigned short)0xA009
#define SC_RESP_STATUS (unsigned short)0xA00A
#define SC_RESP_WWW_AUTHENTICATE (unsigned short)0xA00B
#define SC_RES_HEADERS_NUM 11
#endif /* AJP_HEADER_H */
1.1 httpd-2.0/modules/proxy/ajp_link.c
Index: ajp_link.c
===================================================================
/* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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.h"
apr_status_t ajp_ilink_send(apr_socket_t *sock, ajp_msg_t *msg)
{
char *buf;
apr_status_t status;
apr_size_t length;
if (sock == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_ilink_send(): NULL socket provided");
return AJP_EINVAL;
}
ajp_msg_end(msg);
length = msg->len;
buf = (char *)msg->buf;
do {
apr_size_t written = length;
status = apr_socket_send(sock, buf, &written);
if (status != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, status, NULL,
"ajp_ilink_send(): send failed");
return status;
}
length -= written;
buf += written;
} while (length);
return APR_SUCCESS;
}
static apr_status_t ilink_read(apr_socket_t *sock, char * buf,
apr_size_t len)
{
apr_size_t length;
apr_status_t status;
apr_size_t rdlen;
if (sock == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_ilink_readN(): NULL socket provided");
return AJP_EINVAL;
}
rdlen = 0;
length = len;
while (rdlen < len) {
status = apr_socket_recv(sock, buf + rdlen, &length);
if (status == APR_EOF)
return status; /* socket closed. */
else if (APR_STATUS_IS_EAGAIN(status))
continue;
else if (status != APR_SUCCESS)
return status; /* any error. */
rdlen += length;
length = len - rdlen;
}
return APR_SUCCESS;
}
apr_status_t ajp_ilink_receive(apr_socket_t *sock, ajp_msg_t *msg)
{
apr_status_t status;
apr_size_t hlen;
apr_size_t blen;
if (sock == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_ilink_receive(): NULL socket provided");
return AJP_EINVAL;
}
hlen = msg->header_len;
status = ilink_read(sock, msg->buf, hlen);
if (status != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, status, NULL,
"ajp_ilink_receive() can't receive header\n");
return AJP_ENO_HEADER;
}
status = ajp_msg_check_header(msg, &blen);
if (status != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_ilink_receive() received bad header\n");
return AJP_EBAD_HEADER;
}
status = ilink_read(sock, msg->buf + hlen, blen);
if (status != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, status, NULL,
"ajp_ilink_receive() error while receiving message body %of length %d\n",
hlen);
return AJP_EBAD_MESSAGE;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, NULL,
"ajp_ilink_receive() received packet len=%d type=%d\n",
blen, (int)msg->buf[hlen]);
return APR_SUCCESS;
}
1.1 httpd-2.0/modules/proxy/ajp_msg.c
Index: ajp_msg.c
===================================================================
/* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed 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.h"
static char *hex_table = "0123456789ABCDEF";
/**
* Dump up to the first 1024 bytes on an AJP Message
*
* @param msg AJP Message to dump
* @param err error string to display
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_dump(ajp_msg_t *msg, char *err)
{
apr_size_t i, j;
char line[80];
char *current;
apr_byte_t x;
apr_size_t len = msg->len;
/* Display only first 1024 bytes */
if (len > 1024)
len = 1024;
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, NULL,
"ajp_msg_dump(): %s pos=%d len=%d max=%d",
err, msg->pos, msg->len, AJP_MSG_BUFFER_SZ);
for (i = 0; i < len; i += 16) {
current = line;
for (j = 0; j < 16; j++) {
x = msg->buf[i + j];
*current++ = hex_table[x >> 4];
*current++ = hex_table[x & 0x0f];
*current++ = ' ';
}
*current++ = ' ';
*current++ = '-';
*current++ = ' ';
for (j = 0; j < 16; j++) {
x = msg->buf[i + j];
if (x > 0x20 && x < 0x7F) {
*current++ = x;
}
else {
*current++ = '.';
}
}
*current++ = '\0';
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, NULL,
"ajp_msg_dump(): %.4x %s",
i, line);
}
return APR_SUCCESS;
}
/**
* Check a new AJP Message by looking at signature and return its size
*
* @param msg AJP Message to check
* @param len Pointer to returned len
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_check_header(ajp_msg_t *msg, apr_size_t *len)
{
apr_byte_t *head = msg->buf;
apr_size_t msglen;
if (!((head[0] == 0x41 && head[1] == 0x42) ||
(head[0] == 0x12 && head[1] == 0x34))) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_check_msg_header() got bad signature %x%x",
head[0], head[1]);
return AJP_EBAD_SIGNATURE;
}
msglen = ((head[2] & 0xff) << 8);
msglen += (head[3] & 0xFF);
if (msglen > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_check_msg_header() incoming message is too big %d, max is %d",
msglen, AJP_MSG_BUFFER_SZ);
return AJP_ETOBIG;
}
msg->len = msglen + AJP_HEADER_LEN;
msg->pos = AJP_HEADER_LEN;
*len = msglen;
return APR_SUCCESS;
}
/**
* Reset an AJP Message
*
* @param msg AJP Message to reset
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_reset(ajp_msg_t *msg)
{
msg->len = AJP_HEADER_LEN;
msg->pos = AJP_HEADER_LEN;
return APR_SUCCESS;
}
/**
* Mark the end of an AJP Message
*
* @param msg AJP Message to end
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_end(ajp_msg_t *msg)
{
apr_size_t len = msg->len - AJP_HEADER_LEN;
if (msg->server_side) {
msg->buf[0] = 0x41;
msg->buf[1] = 0x42;
}
else {
msg->buf[0] = 0x12;
msg->buf[1] = 0x34;
}
msg->buf[2] = (apr_byte_t)((len >> 8) & 0xFF);
msg->buf[3] = (apr_byte_t)(len & 0xFF);
return APR_SUCCESS;
}
/**
* Add an unsigned 32bits value to AJP Message
*
* @param msg AJP Message to get value from
* @param value value to add to AJP Message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_uint32(ajp_msg_t *msg, apr_uint32_t value)
{
apr_size_t len = msg->len;
if ((len + 4) > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_append_uint32(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
msg->buf[len] = (apr_byte_t)((value >> 24) & 0xFF);
msg->buf[len + 1] = (apr_byte_t)((value >> 16) & 0xFF);
msg->buf[len + 2] = (apr_byte_t)((value >> 8) & 0xFF);
msg->buf[len + 3] = (apr_byte_t)(value & 0xFF);
msg->len += 4;
return APR_SUCCESS;
}
/**
* Add an unsigned 16bits value to AJP Message
*
* @param msg AJP Message to get value from
* @param value value to add to AJP Message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_uint16(ajp_msg_t *msg, apr_uint16_t value)
{
apr_size_t len = msg->len;
if ((len + 2) > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_append_uint16(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
msg->buf[len] = (apr_byte_t)((value >> 8) & 0xFF);
msg->buf[len + 1] = (apr_byte_t)(value & 0xFF);
msg->len += 2;
return APR_SUCCESS;
}
/**
* Add an unsigned 8bits value to AJP Message
*
* @param msg AJP Message to get value from
* @param value value to add to AJP Message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_uint8(ajp_msg_t *msg, apr_byte_t value)
{
apr_size_t len = msg->len;
if ((len + 1) > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_append_uint8(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
msg->buf[len] = value;
msg->len += 1;
return APR_SUCCESS;
}
/**
* Add a String in AJP message, and transform the String in ASCII
* if convert is set and we're on an EBCDIC machine
*
* @param msg AJP Message to get value from
* @param value Pointer to String
* @param convert When set told to convert String to ASCII
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_string_ex(ajp_msg_t *msg, const char *value,
int convert)
{
size_t len;
if (value == NULL) {
return(ajp_msg_append_uint16(msg, 0xFFFF));
}
len = strlen(value);
if ((msg->len + len + 2) > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_append_cvt_string(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
/* ignore error - we checked once */
ajp_msg_append_uint16(msg, (apr_uint16_t)len);
/* We checked for space !! */
memcpy(msg->buf + msg->len, value, len + 1); /* including \0 */
if (convert) /* convert from EBCDIC if needed */
ajp_xlate_to_ascii((char *)msg->buf + msg->len, len + 1);
msg->len += len + 1;
return APR_SUCCESS;
}
/**
* Add a Byte array to AJP Message
*
* @param msg AJP Message to get value from
* @param value Pointer to Byte array
* @param valuelen Byte array len
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_append_bytes(ajp_msg_t *msg, const apr_byte_t *value,
apr_size_t valuelen)
{
if (! valuelen) {
return APR_SUCCESS; /* Shouldn't we indicate an error ? */
}
if ((msg->len + valuelen) > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_append_bytes(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
/* We checked for space !! */
memcpy(msg->buf + msg->len, value, valuelen);
msg->len += valuelen;
return APR_SUCCESS;
}
/**
* Get a 32bits unsigned value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_uint32(ajp_msg_t *msg, apr_uint32_t *rvalue)
{
apr_uint32_t value;
if ((msg->pos + 3) > msg->len) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_get_long(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
value = ((msg->buf[(msg->pos++)] & 0xFF) << 24);
value |= ((msg->buf[(msg->pos++)] & 0xFF) << 16);
value |= ((msg->buf[(msg->pos++)] & 0xFF) << 8);
value |= ((msg->buf[(msg->pos++)] & 0xFF));
*rvalue = value;
return APR_SUCCESS;
}
/**
* Get a 16bits unsigned value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_uint16(ajp_msg_t *msg, apr_uint16_t *rvalue)
{
apr_uint16_t value;
if ((msg->pos + 1) > msg->len) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_get_int(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
value = ((msg->buf[(msg->pos++)] & 0xFF) << 8);
value += ((msg->buf[(msg->pos++)] & 0xFF));
*rvalue = value;
return APR_SUCCESS;
}
/**
* Peek a 16bits unsigned value from AJP Message, position in message
* is not updated
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_peek_uint16(ajp_msg_t *msg, apr_uint16_t *rvalue)
{
apr_uint16_t value;
if ((msg->pos + 1) > msg->len) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_peek_int(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
value = ((msg->buf[(msg->pos)] & 0xFF) << 8);
value += ((msg->buf[(msg->pos + 1)] & 0xFF));
*rvalue = value;
return APR_SUCCESS;
}
/**
* Peek a 8bits unsigned value from AJP Message, position in message
* is not updated
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_peek_uint8(ajp_msg_t *msg, apr_byte_t *rvalue)
{
if (msg->pos > msg->len) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_peek_uint8(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
*rvalue = msg->buf[msg->pos];
return APR_SUCCESS;
}
/**
* Get a 8bits unsigned value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_uint8(ajp_msg_t *msg, apr_byte_t *rvalue)
{
if (msg->pos > msg->len) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_get_uint8(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
*rvalue = msg->buf[msg->pos++];
return APR_SUCCESS;
}
/**
* Get a String value from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_string(ajp_msg_t *msg, char **rvalue)
{
apr_uint16_t size;
apr_size_t start;
apr_status_t status;
status = ajp_msg_get_uint16(msg, &size);
start = msg->pos;
if ((status != APR_SUCCESS) || (size + start > AJP_MSG_BUFFER_SZ)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_get_string(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
msg->pos += (apr_size_t)size;
msg->pos++; /* a String in AJP is NULL terminated */
*rvalue = (char *)(msg->buf + start);
return APR_SUCCESS;
}
/**
* Get a Byte array from AJP Message
*
* @param msg AJP Message to get value from
* @param rvalue Pointer where value will be returned
* @param rvalueLen Pointer where Byte array len will be returned
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_get_bytes(ajp_msg_t *msg, apr_byte_t **rvalue,
apr_size_t *rvalue_len)
{
apr_uint16_t size;
apr_size_t start;
apr_status_t status;
status = ajp_msg_get_uint16(msg, &size);
/* save the current position */
start = msg->pos;
if ((status != APR_SUCCESS) || (size + start > AJP_MSG_BUFFER_SZ)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_get_bytes(): BufferOverflowException %d %d",
msg->pos, msg->len);
return AJP_EOVERFLOW;
}
msg->pos += (apr_size_t)size; /* only bytes, no trailer */
*rvalue = msg->buf + start;
*rvalue_len = size;
return APR_SUCCESS;
}
/**
* Create an AJP Message from pool
*
* @param pool memory pool to allocate AJP message from
* @param rmsg Pointer to newly created AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_create(apr_pool_t *pool, ajp_msg_t **rmsg)
{
ajp_msg_t *msg = (ajp_msg_t *)apr_pcalloc(pool, sizeof(ajp_msg_t));
if (!msg) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_create(): can't allocate AJP message memory");
return APR_ENOPOOL;
}
msg->server_side = 0;
msg->buf = (apr_byte_t *)apr_palloc(pool, AJP_MSG_BUFFER_SZ);
/* XXX: This should never happen
* In case if the OS cannont allocate 8K of data
* we are in serious trouble
* No need to check the alloc return value, cause the
* core dump is probably the best solution anyhow.
*/
if (msg->buf == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_create(): can't allocate AJP message memory");
return APR_ENOPOOL;
}
msg->len = 0;
msg->header_len = AJP_HEADER_LEN;
*rmsg = msg;
return APR_SUCCESS;
}
/**
* Recopy an AJP Message to another
*
* @param smsg source AJP message
* @param dmsg destination AJP message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_copy(ajp_msg_t *smsg, ajp_msg_t *dmsg)
{
if (dmsg == NULL) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_copy(): destination msg is null");
return AJP_EINVAL;
}
if (smsg->len > AJP_MSG_BUFFER_SZ) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
"ajp_msg_copy(): destination buffer too small %d, max size is %d",
smsg->len, AJP_MSG_BUFFER_SZ);
return AJP_ETOSMALL;
}
memcpy(dmsg->buf, smsg->buf, smsg->len);
dmsg->len = smsg->len;
dmsg->pos = smsg->pos;
return APR_SUCCESS;
}
/**
* Serialize in an AJP Message a PING command
*
* +-----------------------+
* | PING CMD (1 byte) |
* +-----------------------+
*
* @param smsg AJP message to put serialized message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_serialize_ping(ajp_msg_t *msg)
{
apr_status_t rc;
ajp_msg_reset(msg);
if ((rc = ajp_msg_append_uint8(msg, CMD_AJP13_PING)) != APR_SUCCESS)
return rc;
return APR_SUCCESS;
}
/**
* Serialize in an AJP Message a CPING command
*
* +-----------------------+
* | CPING CMD (1 byte) |
* +-----------------------+
*
* @param smsg AJP message to put serialized message
* @return APR_SUCCESS or error
*/
apr_status_t ajp_msg_serialize_cping(ajp_msg_t *msg)
{
apr_status_t rc;
ajp_msg_reset(msg);
if ((rc = ajp_msg_append_uint8(msg, CMD_AJP13_CPING)) != APR_SUCCESS)
return rc;
return APR_SUCCESS;
}