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Diffstat (limited to 'modules/metadata/mod_env.c')
| -rw-r--r-- | modules/metadata/mod_env.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/modules/metadata/mod_env.c b/modules/metadata/mod_env.c deleted file mode 100644 index ebe112b859..0000000000 --- a/modules/metadata/mod_env.c +++ /dev/null @@ -1,276 +0,0 @@ -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2000-2001 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. - */ - -/* - * mod_env.c - * version 0.0.5 - * status beta - * Pass environment variables to CGI/SSI scripts. - * - * Andrew Wilson <Andrew.Wilson@cm.cf.ac.uk> 06.Dec.95 - * - * Change log: - * 08.Dec.95 Now allows PassEnv directive to appear more than once in - * conf files. - * 10.Dec.95 optimisation. getenv() only called at startup and used - * to build a fast-to-access table. apr_table_t used to build - * per-server environment for each request. - * robustness. better able to handle errors in configuration - * files: - * 1) PassEnv directive present, but no environment variable listed - * 2) PassEnv FOO present, but $FOO not present in environment - * 3) no PassEnv directive present - * 23.Dec.95 Now allows SetEnv directive with same semantics as 'sh' setenv: - * SetEnv Var sets Var to the empty string - * SetEnv Var Val sets Var to the value Val - * Values containing whitespace should be quoted, eg: - * SetEnv Var "this is some text" - * Environment variables take their value from the last instance - * of PassEnv / SetEnv to be reached in the configuration file. - * For example, the sequence: - * PassEnv FOO - * SetEnv FOO override - * Causes FOO to take the value 'override'. - * 23.Feb.96 Added UnsetEnv directive to allow environment variables - * to be removed. - * Virtual hosts now 'inherit' parent server environment which - * they're able to overwrite with their own directives or - * selectively ignore with UnsetEnv. - * *** IMPORTANT - the way that virtual hosts inherit their *** - * *** environment variables from the default server's *** - * *** configuration has changed. You should test your *** - * *** configuration carefully before accepting this *** - * *** version of the module in a live webserver which used *** - * *** older versions of the module. *** - */ - -#include "apr.h" -#include "apr_strings.h" - -#if APR_HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#include "ap_config.h" -#include "httpd.h" -#include "http_config.h" -#include "http_request.h" - - -typedef struct { - apr_table_t *vars; - const char *unsetenv; - int vars_present; -} env_dir_config_rec; - -module AP_MODULE_DECLARE_DATA env_module; - -static void *create_env_dir_config(apr_pool_t *p, char *dummy) -{ - env_dir_config_rec *conf = apr_palloc(p, sizeof(*conf)); - - conf->vars = apr_table_make(p, 50); - conf->unsetenv = ""; - conf->vars_present = 0; - - return conf; -} - -static void *merge_env_dir_configs(apr_pool_t *p, void *basev, void *addv) -{ - env_dir_config_rec *base = basev; - env_dir_config_rec *add = addv; - env_dir_config_rec *newconf = apr_palloc(p, sizeof(*newconf)); - - apr_table_t *new_table; - apr_table_entry_t *elts; - apr_array_header_t *arr; - - int i; - const char *uenv, *unset; - - /* - * new_table = copy_table( p, base->vars ); - * foreach $element ( @add->vars ) { - * table_set( new_table, $element.key, $element.val ); - * }; - * foreach $unsetenv ( @UNSETENV ) { - * table_unset( new_table, $unsetenv ); - * } - */ - - new_table = apr_table_copy(p, base->vars); - - arr = apr_table_elts(add->vars); - elts = (apr_table_entry_t *)arr->elts; - - for (i = 0; i < arr->nelts; ++i) { - apr_table_setn(new_table, elts[i].key, elts[i].val); - } - - unset = add->unsetenv; - uenv = ap_getword_conf(p, &unset); - while (uenv[0] != '\0') { - apr_table_unset(new_table, uenv); - uenv = ap_getword_conf(p, &unset); - } - - newconf->vars = new_table; - - newconf->vars_present = base->vars_present || add->vars_present; - - return newconf; -} - -static const char *add_env_module_vars_passed(cmd_parms *cmd, void *sconf_, - const char *arg) -{ - env_dir_config_rec *sconf = sconf_; - apr_table_t *vars = sconf->vars; - char *env_var; - char *name_ptr; - - while (*arg) { - name_ptr = ap_getword_conf(cmd->pool, &arg); - env_var = getenv(name_ptr); - if (env_var != NULL) { - sconf->vars_present = 1; - apr_table_setn(vars, name_ptr, apr_pstrdup(cmd->pool, env_var)); - } - } - return NULL; -} - -static const char *add_env_module_vars_set(cmd_parms *cmd, void *sconf_, - const char *arg) -{ - env_dir_config_rec *sconf = sconf_; - apr_table_t *vars = sconf->vars; - char *name, *value; - - name = ap_getword_conf(cmd->pool, &arg); - value = ap_getword_conf(cmd->pool, &arg); - - /* name is mandatory, value is optional. no value means - * set the variable to an empty string - */ - - - if ((*name == '\0') || (*arg != '\0')) { - return "SetEnv takes one or two arguments. An environment variable name and an optional value to pass to CGI."; - } - - sconf->vars_present = 1; - apr_table_setn(vars, name, value); - - return NULL; -} - -static const char *add_env_module_vars_unset(cmd_parms *cmd, void *sconf_, - const char *arg) -{ - env_dir_config_rec *sconf = sconf_; - - sconf->unsetenv = sconf->unsetenv - ? apr_pstrcat(cmd->pool, sconf->unsetenv, " ", arg, NULL) - : arg; - - return NULL; -} - -static const command_rec env_module_cmds[] = -{ -AP_INIT_RAW_ARGS("PassEnv", add_env_module_vars_passed, NULL, - OR_FILEINFO, "a list of environment variables to pass to CGI."), -AP_INIT_RAW_ARGS("SetEnv", add_env_module_vars_set, NULL, - OR_FILEINFO, "an environment variable name and a value to pass to CGI."), -AP_INIT_RAW_ARGS("UnsetEnv", add_env_module_vars_unset, NULL, - OR_FILEINFO, "a list of variables to remove from the CGI environment."), - {NULL}, -}; - -static int fixup_env_module(request_rec *r) -{ - apr_table_t *e = r->subprocess_env; - env_dir_config_rec *sconf = ap_get_module_config(r->per_dir_config, - &env_module); - apr_table_t *vars = sconf->vars; - - if (!sconf->vars_present) - return DECLINED; - - r->subprocess_env = apr_table_overlay(r->pool, e, vars); - - return OK; -} - -static void register_hooks(apr_pool_t *p) -{ - ap_hook_fixups(fixup_env_module, NULL, NULL, APR_HOOK_MIDDLE); -} - -module AP_MODULE_DECLARE_DATA env_module = -{ - STANDARD20_MODULE_STUFF, - create_env_dir_config, /* dir config creater */ - merge_env_dir_configs, /* dir merger --- default is to override */ - NULL, /* server config */ - NULL, /* merge server configs */ - env_module_cmds, /* command apr_table_t */ - register_hooks /* register hooks */ -}; |