mod_netware.c revision 1fbf6ba0f5207e6637b49f9a9dfcc779bbe952a9
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_buckets.h"
#include "ap_config.h"
#include "httpd.h"
#include "http_config.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_request.h"
#include "http_log.h"
#include "util_script.h"
#include "mod_core.h"
#include "apr_optional.h"
#include "apr_lib.h"
#include "mod_cgi.h"
#ifdef NETWARE
module AP_MODULE_DECLARE_DATA netware_module;
typedef struct {
apr_table_t *file_type_handlers; /* CGI map from file types to CGI modules */
apr_table_t *file_handler_mode; /* CGI module mode (spawn in same address space or not) */
apr_table_t *extra_env_vars; /* Environment variables to be added to the CGI environment */
} netware_dir_config;
static void *create_netware_dir_config(apr_pool_t *p, char *dir)
{
netware_dir_config *new = (netware_dir_config*) apr_palloc(p, sizeof(netware_dir_config));
new->file_type_handlers = apr_table_make(p, 10);
new->file_handler_mode = apr_table_make(p, 10);
new->extra_env_vars = apr_table_make(p, 10);
return new;
}
static void *merge_netware_dir_configs(apr_pool_t *p, void *basev, void *addv)
{
netware_dir_config *base = (netware_dir_config *) basev;
netware_dir_config *add = (netware_dir_config *) addv;
netware_dir_config *new = (netware_dir_config *) apr_palloc(p, sizeof(netware_dir_config));
new->file_type_handlers = apr_table_overlay(p, add->file_type_handlers, base->file_type_handlers);
new->file_handler_mode = apr_table_overlay(p, add->file_handler_mode, base->file_handler_mode);
new->extra_env_vars = apr_table_overlay(p, add->extra_env_vars, base->extra_env_vars);
return new;
}
static const char *set_extension_map(cmd_parms *cmd, netware_dir_config *m,
char *CGIhdlr, char *ext, char *detach)
{
int i, len;
if (*ext == '.')
++ext;
if (CGIhdlr != NULL) {
len = strlen(CGIhdlr);
for (i=0; i<len; i++) {
if (CGIhdlr[i] == '\\') {
CGIhdlr[i] = '/';
}
}
}
apr_table_set(m->file_type_handlers, ext, CGIhdlr);
if (detach) {
apr_table_set(m->file_handler_mode, ext, "y");
}
return NULL;
}
static apr_status_t ap_cgi_build_command(const char **cmd, const char ***argv,
request_rec *r, apr_pool_t *p,
cgi_exec_info_t *e_info)
{
char *ext = NULL;
char *cmd_only, *ptr;
const char *detached = NULL;
netware_dir_config *d;
apr_file_t *fh;
const char *args = "";
d = (netware_dir_config *)ap_get_module_config(r->per_dir_config,
&netware_module);
if (e_info->process_cgi) {
/* Handle the complete file name, we DON'T want to follow suexec, since
* an unrooted command is as predictable as shooting craps in Win32.
*
* Notice that unlike most mime extension parsing, we have to use the
* win32 parsing here, therefore the final extension is the only one
* we will consider
*/
*cmd = r->filename;
if (r->args && r->args[0] && !ap_strchr_c(r->args, '=')) {
args = r->args;
}
}
cmd_only = apr_pstrdup(p, *cmd);
e_info->cmd_type = APR_PROGRAM;
/* truncate any arguments from the cmd */
for (ptr = cmd_only; *ptr && (*ptr != ' '); ptr++);
*ptr = '\0';
/* Figure out what the extension is so that we can matche it. */
ext = strrchr(apr_filepath_name_get(cmd_only), '.');
/* If there isn't an extension then give it an empty string */
if (!ext) {
ext = "";
}
/* eliminate the '.' if there is one */
if (*ext == '.')
++ext;
/* If it is an NLM then just execute it. */
if (stricmp(ext, "nlm")) {
/* check if we have a registered command for the extension*/
*cmd = apr_table_get(d->file_type_handlers, ext);
if (*cmd == NULL) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"Could not find a command associated with the %s extension", ext);
return APR_EBADF;
}
/* If we have a registered command then add the file that was passed in as a
parameter to the registered command. */
*cmd = apr_pstrcat (p, *cmd, " ", cmd_only, NULL);
/* Run in its own address space if specified */
detached = apr_table_get(d->file_handler_mode, ext);
if (detached) {
e_info->cmd_type = APR_PROGRAM_ENV;
}
else {
e_info->cmd_type = APR_PROGRAM;
}
}
/* Tokenize the full command string into its arguments */
apr_tokenize_to_argv(*cmd, (char***)argv, p);
e_info->detached = 1;
/* The first argument should be the executible */
*cmd = ap_server_root_relative(p, *argv[0]);
return APR_SUCCESS;
}
static void register_hooks(apr_pool_t *p)
{
APR_REGISTER_OPTIONAL_FN(ap_cgi_build_command);
}
static const command_rec netware_cmds[] = {
AP_INIT_TAKE23("CGIMapExtension", set_extension_map, NULL, OR_FILEINFO,
"Full path to the CGI NLM module followed by a file extension. "
"The optional parameter \"detach\" can be specified if the NLM should "
"be launched in its own address space."),
{ NULL }
};
module AP_MODULE_DECLARE_DATA netware_module = {
STANDARD20_MODULE_STUFF,
create_netware_dir_config, /* create per-dir config */
merge_netware_dir_configs, /* merge per-dir config */
NULL, /* server config */
NULL, /* merge server config */
netware_cmds, /* command apr_table_t */
register_hooks /* register hooks */
};
#endif