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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2018 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
#include "php.h"
#include "php_ini.h"
#include "php_apache.h"
#include "apr_strings.h"
#include "ap_config.h"
#include "util_filter.h"
#include "httpd.h"
#include "http_config.h"
#include "http_request.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_log.h"
#include "http_main.h"
#include "util_script.h"
#include "http_core.h"
#ifdef PHP_AP_DEBUG
#define phpapdebug(a) fprintf a
#else
#define phpapdebug(a)
#endif
typedef struct {
HashTable config;
} php_conf_rec;
typedef struct {
char *value;
size_t value_len;
char status;
char htaccess;
} php_dir_entry;
static const char *real_value_hnd(cmd_parms *cmd, void *dummy, const char *name, const char *value, int status)
{
php_conf_rec *d = dummy;
php_dir_entry e;
phpapdebug((stderr, "Getting %s=%s for %p (%d)\n", name, value, dummy, zend_hash_num_elements(&d->config)));
if (!strncasecmp(value, "none", sizeof("none"))) {
value = "";
}
e.value = apr_pstrdup(cmd->pool, value);
e.value_len = strlen(value);
e.status = status;
e.htaccess = ((cmd->override & (RSRC_CONF|ACCESS_CONF)) == 0);
zend_hash_str_update_mem(&d->config, (char *) name, strlen(name), &e, sizeof(e));
return NULL;
}
static const char *php_apache_value_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
{
return real_value_hnd(cmd, dummy, name, value, PHP_INI_PERDIR);
}
static const char *php_apache_admin_value_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
{
return real_value_hnd(cmd, dummy, name, value, PHP_INI_SYSTEM);
}
static const char *real_flag_hnd(cmd_parms *cmd, void *dummy, const char *arg1, const char *arg2, int status)
{
char bool_val[2];
if (!strcasecmp(arg2, "On") || (arg2[0] == '1' && arg2[1] == '\0')) {
bool_val[0] = '1';
} else {
bool_val[0] = '0';
}
bool_val[1] = 0;
return real_value_hnd(cmd, dummy, arg1, bool_val, status);
}
static const char *php_apache_flag_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
{
return real_flag_hnd(cmd, dummy, name, value, PHP_INI_PERDIR);
}
static const char *php_apache_admin_flag_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
{
return real_flag_hnd(cmd, dummy, name, value, PHP_INI_SYSTEM);
}
static const char *php_apache_phpini_set(cmd_parms *cmd, void *mconfig, const char *arg)
{
if (apache2_php_ini_path_override) {
return "Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored";
}
apache2_php_ini_path_override = ap_server_root_relative(cmd->pool, arg);
return NULL;
}
static zend_bool should_overwrite_per_dir_entry(HashTable *target_ht, zval *zv, zend_hash_key *hash_key, void *pData)
{
php_dir_entry *new_per_dir_entry = Z_PTR_P(zv);
php_dir_entry *orig_per_dir_entry;
if ((orig_per_dir_entry = zend_hash_find_ptr(target_ht, hash_key->key)) == NULL) {
return 1; /* does not exist in dest, copy from source */
}
if (new_per_dir_entry->status >= orig_per_dir_entry->status) {
/* use new entry */
phpapdebug((stderr, "ADDING/OVERWRITING %s (%d vs. %d)\n", ZSTR_VAL(hash_key->key), new_per_dir_entry->status, orig_per_dir_entry->status));
return 1;
} else {
return 0;
}
}
void config_entry_ctor(zval *zv)
{
php_dir_entry *pe = (php_dir_entry*)Z_PTR_P(zv);
php_dir_entry *npe = malloc(sizeof(php_dir_entry));
memcpy(npe, pe, sizeof(php_dir_entry));
ZVAL_PTR(zv, npe);
}
void *merge_php_config(apr_pool_t *p, void *base_conf, void *new_conf)
{
php_conf_rec *d = base_conf, *e = new_conf, *n = NULL;
#ifdef ZTS
zend_string *str;
zval *data;
#endif
n = create_php_config(p, "merge_php_config");
/* copy old config */
#ifdef ZTS
ZEND_HASH_FOREACH_STR_KEY_VAL(&d->config, str, data) {
zend_string *key;
zval *new_entry;
/* Avoid sharing the non interned string among threads. */
key = zend_string_dup(str, 1);
new_entry = zend_hash_add(&n->config, key, data);
config_entry_ctor(new_entry);
} ZEND_HASH_FOREACH_END();
#else
zend_hash_copy(&n->config, &d->config, config_entry_ctor);
#endif
/* merge new config */
phpapdebug((stderr, "Merge dir (%p)+(%p)=(%p)\n", base_conf, new_conf, n));
zend_hash_merge_ex(&n->config, &e->config, config_entry_ctor, should_overwrite_per_dir_entry, NULL);
return n;
}
char *get_php_config(void *conf, char *name, size_t name_len)
{
php_conf_rec *d = conf;
php_dir_entry *pe;
if ((pe = zend_hash_str_find_ptr(&d->config, name, name_len)) != NULL) {
return pe->value;
}
return "";
}
void apply_config(void *dummy)
{
php_conf_rec *d = dummy;
zend_string *str;
php_dir_entry *data;
ZEND_HASH_FOREACH_STR_KEY_PTR(&d->config, str, data) {
phpapdebug((stderr, "APPLYING (%s)(%s)\n", ZSTR_VAL(str), data->value));
if (zend_alter_ini_entry_chars(str, data->value, data->value_len, data->status, data->htaccess?PHP_INI_STAGE_HTACCESS:PHP_INI_STAGE_ACTIVATE) == FAILURE) {
phpapdebug((stderr, "..FAILED\n"));
}
} ZEND_HASH_FOREACH_END();
}
const command_rec php_dir_cmds[] =
{
AP_INIT_TAKE2("php_value", php_apache_value_handler, NULL, OR_OPTIONS, "PHP Value Modifier"),
AP_INIT_TAKE2("php_flag", php_apache_flag_handler, NULL, OR_OPTIONS, "PHP Flag Modifier"),
AP_INIT_TAKE2("php_admin_value", php_apache_admin_value_handler, NULL, ACCESS_CONF|RSRC_CONF, "PHP Value Modifier (Admin)"),
AP_INIT_TAKE2("php_admin_flag", php_apache_admin_flag_handler, NULL, ACCESS_CONF|RSRC_CONF, "PHP Flag Modifier (Admin)"),
AP_INIT_TAKE1("PHPINIDir", php_apache_phpini_set, NULL, RSRC_CONF, "Directory containing the php.ini file"),
{NULL}
};
static apr_status_t destroy_php_config(void *data)
{
php_conf_rec *d = data;
phpapdebug((stderr, "Destroying config %p\n", data));
zend_hash_destroy(&d->config);
return APR_SUCCESS;
}
static void config_entry_dtor(zval *zv)
{
free((php_dir_entry*)Z_PTR_P(zv));
}
void *create_php_config(apr_pool_t *p, char *dummy)
{
php_conf_rec *newx = (php_conf_rec *) apr_pcalloc(p, sizeof(*newx));
phpapdebug((stderr, "Creating new config (%p) for %s\n", newx, dummy));
zend_hash_init(&newx->config, 0, NULL, config_entry_dtor, 1);
apr_pool_cleanup_register(p, newx, destroy_php_config, apr_pool_cleanup_null);
return (void *) newx;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/