PAL.C.T MINI SHELL
/* $Id: fpm_php.c,v 1.22.2.4 2008/12/13 03:21:18 anight Exp $ */
/* (c) 2007,2008 Andrei Nigmatulin */
#include "fpm_config.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "php.h"
#include "php_main.h"
#include "php_ini.h"
#include "ext/standard/dl.h"
#include "fastcgi.h"
#include "fpm.h"
#include "fpm_php.h"
#include "fpm_cleanup.h"
#include "fpm_worker_pool.h"
#include "zlog.h"
static char **limit_extensions = NULL;
static int fpm_php_zend_ini_alter_master(char *name, int name_length, char *new_value, int new_value_length, int mode, int stage) /* {{{ */
{
zend_ini_entry *ini_entry;
zend_string *duplicate;
if ((ini_entry = zend_hash_str_find_ptr(EG(ini_directives), name, name_length)) == NULL) {
return FAILURE;
}
duplicate = zend_string_init(new_value, new_value_length, 1);
if (!ini_entry->on_modify
|| ini_entry->on_modify(ini_entry, duplicate,
ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3, stage) == SUCCESS) {
ini_entry->value = duplicate;
ini_entry->modifiable = mode;
} else {
zend_string_release(duplicate);
}
return SUCCESS;
}
/* }}} */
static void fpm_php_disable(char *value, int (*zend_disable)(char *, size_t)) /* {{{ */
{
char *s = 0, *e = value;
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable(s, e - s);
s = 0;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable(s, e - s);
}
}
/* }}} */
int fpm_php_apply_defines_ex(struct key_value_s *kv, int mode) /* {{{ */
{
char *name = kv->key;
char *value = kv->value;
int name_len = strlen(name);
int value_len = strlen(value);
if (!strcmp(name, "extension") && *value) {
zval zv;
php_dl(value, MODULE_PERSISTENT, &zv, 1);
return Z_TYPE(zv) == IS_TRUE;
}
if (fpm_php_zend_ini_alter_master(name, name_len, value, value_len, mode, PHP_INI_STAGE_ACTIVATE) == FAILURE) {
return -1;
}
if (!strcmp(name, "disable_functions") && *value) {
char *v = strdup(value);
PG(disable_functions) = v;
fpm_php_disable(v, zend_disable_function);
return 1;
}
if (!strcmp(name, "disable_classes") && *value) {
char *v = strdup(value);
PG(disable_classes) = v;
fpm_php_disable(v, zend_disable_class);
return 1;
}
return 1;
}
/* }}} */
static int fpm_php_apply_defines(struct fpm_worker_pool_s *wp) /* {{{ */
{
struct key_value_s *kv;
for (kv = wp->config->php_values; kv; kv = kv->next) {
if (fpm_php_apply_defines_ex(kv, ZEND_INI_USER) == -1) {
zlog(ZLOG_ERROR, "Unable to set php_value '%s'", kv->key);
}
}
for (kv = wp->config->php_admin_values; kv; kv = kv->next) {
if (fpm_php_apply_defines_ex(kv, ZEND_INI_SYSTEM) == -1) {
zlog(ZLOG_ERROR, "Unable to set php_admin_value '%s'", kv->key);
}
}
return 0;
}
/* }}} */
static int fpm_php_set_allowed_clients(struct fpm_worker_pool_s *wp) /* {{{ */
{
if (wp->listen_address_domain == FPM_AF_INET) {
fcgi_set_allowed_clients(wp->config->listen_allowed_clients);
}
return 0;
}
/* }}} */
#if 0 /* Comment out this non used function. It could be used later. */
static int fpm_php_set_fcgi_mgmt_vars(struct fpm_worker_pool_s *wp) /* {{{ */
{
char max_workers[10 + 1]; /* 4294967295 */
int len;
len = sprintf(max_workers, "%u", (unsigned int) wp->config->pm_max_children);
fcgi_set_mgmt_var("FCGI_MAX_CONNS", sizeof("FCGI_MAX_CONNS")-1, max_workers, len);
fcgi_set_mgmt_var("FCGI_MAX_REQS", sizeof("FCGI_MAX_REQS")-1, max_workers, len);
return 0;
}
/* }}} */
#endif
char *fpm_php_script_filename(void) /* {{{ */
{
return SG(request_info).path_translated;
}
/* }}} */
char *fpm_php_request_uri(void) /* {{{ */
{
return (char *) SG(request_info).request_uri;
}
/* }}} */
char *fpm_php_request_method(void) /* {{{ */
{
return (char *) SG(request_info).request_method;
}
/* }}} */
char *fpm_php_query_string(void) /* {{{ */
{
return SG(request_info).query_string;
}
/* }}} */
char *fpm_php_auth_user(void) /* {{{ */
{
return SG(request_info).auth_user;
}
/* }}} */
size_t fpm_php_content_length(void) /* {{{ */
{
return SG(request_info).content_length;
}
/* }}} */
static void fpm_php_cleanup(int which, void *arg) /* {{{ */
{
php_module_shutdown();
sapi_shutdown();
}
/* }}} */
void fpm_php_soft_quit() /* {{{ */
{
fcgi_terminate();
}
/* }}} */
int fpm_php_init_main() /* {{{ */
{
if (0 > fpm_cleanup_add(FPM_CLEANUP_PARENT, fpm_php_cleanup, 0)) {
return -1;
}
return 0;
}
/* }}} */
int fpm_php_init_child(struct fpm_worker_pool_s *wp) /* {{{ */
{
if (0 > fpm_php_apply_defines(wp) ||
0 > fpm_php_set_allowed_clients(wp)) {
return -1;
}
if (wp->limit_extensions) {
limit_extensions = wp->limit_extensions;
}
return 0;
}
/* }}} */
int fpm_php_limit_extensions(char *path) /* {{{ */
{
char **p;
size_t path_len;
if (!path || !limit_extensions) {
return 0; /* allowed by default */
}
p = limit_extensions;
path_len = strlen(path);
while (p && *p) {
size_t ext_len = strlen(*p);
if (path_len > ext_len) {
char *path_ext = path + path_len - ext_len;
if (strcmp(*p, path_ext) == 0) {
return 0; /* allow as the extension has been found */
}
}
p++;
}
zlog(ZLOG_NOTICE, "Access to the script '%s' has been denied (see security.limit_extensions)", path);
return 1; /* extension not found: not allowed */
}
/* }}} */
char* fpm_php_get_string_from_table(zend_string *table, char *key) /* {{{ */
{
zval *data, *tmp;
zend_string *str;
if (!table || !key) {
return NULL;
}
/* inspired from ext/standard/info.c */
zend_is_auto_global(table);
/* find the table and ensure it's an array */
data = zend_hash_find(&EG(symbol_table), table);
if (!data || Z_TYPE_P(data) != IS_ARRAY) {
return NULL;
}
ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(data), str, tmp) {
if (str && !strncmp(ZSTR_VAL(str), key, ZSTR_LEN(str))) {
return Z_STRVAL_P(tmp);
}
} ZEND_HASH_FOREACH_END();
return NULL;
}
/* }}} */
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