Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 683 insertions, 0 deletions

diff --git a/Zend/zend_ini.c b/Zend/zend_ini.c
new file mode 100644
index 0000000..2c74f20
--- /dev/null
+++ b/Zend/zend_ini.c
@@ -0,0 +1,683 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Engine                                                          |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt.                                |
+   | If you did not receive a copy of the Zend license and are unable to  |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@zend.com so we can mail you a copy immediately.              |
+   +----------------------------------------------------------------------+
+   | Author: Zeev Suraski <zeev@zend.com>                                 |
+   +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#include "zend.h"
+#include "zend_qsort.h"
+#include "zend_API.h"
+#include "zend_ini.h"
+#include "zend_alloc.h"
+#include "zend_operators.h"
+#include "zend_strtod.h"
+
+static HashTable *registered_zend_ini_directives;
+
+#define NO_VALUE_PLAINTEXT		"no value"
+#define NO_VALUE_HTML			"<i>no value</i>"
+
+/*
+ * hash_apply functions
+ */
+static int zend_remove_ini_entries(zend_ini_entry *ini_entry, int *module_number TSRMLS_DC) /* {{{ */
+{
+	if (ini_entry->module_number == *module_number) {
+		return 1;
+	} else {
+		return 0;
+	}
+}
+/* }}} */
+
+static int zend_restore_ini_entry_cb(zend_ini_entry *ini_entry, int stage TSRMLS_DC) /* {{{ */
+{
+	int result = FAILURE;
+
+	if (ini_entry->modified) {
+		if (ini_entry->on_modify) {
+			zend_try {
+			/* even if on_modify bails out, we have to continue on with restoring,
+				since there can be allocated variables that would be freed on MM shutdown
+				and would lead to memory corruption later ini entry is modified again */
+				result = ini_entry->on_modify(ini_entry, ini_entry->orig_value, ini_entry->orig_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3, stage TSRMLS_CC);
+			} zend_end_try();
+		}
+		if (stage == ZEND_INI_STAGE_RUNTIME && result == FAILURE) {
+			/* runtime failure is OK */
+			return 1;
+		}
+		if (ini_entry->value != ini_entry->orig_value) {
+			efree(ini_entry->value);
+		}
+		ini_entry->value = ini_entry->orig_value;
+		ini_entry->value_length = ini_entry->orig_value_length;
+		ini_entry->modifiable = ini_entry->orig_modifiable;
+		ini_entry->modified = 0;
+		ini_entry->orig_value = NULL;
+		ini_entry->orig_value_length = 0;
+		ini_entry->orig_modifiable = 0;
+	}
+	return 0;
+}
+/* }}} */
+
+static int zend_restore_ini_entry_wrapper(zend_ini_entry **ini_entry TSRMLS_DC) /* {{{ */
+{
+	zend_restore_ini_entry_cb(*ini_entry, ZEND_INI_STAGE_DEACTIVATE TSRMLS_CC);
+	return 1;
+}
+/* }}} */
+
+/*
+ * Startup / shutdown
+ */
+ZEND_API int zend_ini_startup(TSRMLS_D) /* {{{ */
+{
+	registered_zend_ini_directives = (HashTable *) malloc(sizeof(HashTable));
+
+	EG(ini_directives) = registered_zend_ini_directives;
+	EG(modified_ini_directives) = NULL;
+	EG(error_reporting_ini_entry) = NULL;
+	if (zend_hash_init_ex(registered_zend_ini_directives, 100, NULL, NULL, 1, 0) == FAILURE) {
+		return FAILURE;
+	}
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API int zend_ini_shutdown(TSRMLS_D) /* {{{ */
+{
+	zend_hash_destroy(EG(ini_directives));
+	free(EG(ini_directives));
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API int zend_ini_global_shutdown(TSRMLS_D) /* {{{ */
+{
+	zend_hash_destroy(registered_zend_ini_directives);
+	free(registered_zend_ini_directives);
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API int zend_ini_deactivate(TSRMLS_D) /* {{{ */
+{
+	if (EG(modified_ini_directives)) {
+		zend_hash_apply(EG(modified_ini_directives), (apply_func_t) zend_restore_ini_entry_wrapper TSRMLS_CC);
+		zend_hash_destroy(EG(modified_ini_directives));
+		FREE_HASHTABLE(EG(modified_ini_directives));
+		EG(modified_ini_directives) = NULL;
+	}
+	return SUCCESS;
+}
+/* }}} */
+
+#ifdef ZTS
+ZEND_API int zend_copy_ini_directives(TSRMLS_D) /* {{{ */
+{
+	zend_ini_entry ini_entry;
+
+	EG(modified_ini_directives) = NULL;
+	EG(error_reporting_ini_entry) = NULL;
+	EG(ini_directives) = (HashTable *) malloc(sizeof(HashTable));
+	if (zend_hash_init_ex(EG(ini_directives), registered_zend_ini_directives->nNumOfElements, NULL, NULL, 1, 0) == FAILURE) {
+		return FAILURE;
+	}
+	zend_hash_copy(EG(ini_directives), registered_zend_ini_directives, NULL, &ini_entry, sizeof(zend_ini_entry));
+	return SUCCESS;
+}
+/* }}} */
+#endif
+
+static int ini_key_compare(const void *a, const void *b TSRMLS_DC) /* {{{ */
+{
+	const Bucket *f;
+	const Bucket *s;
+
+	f = *((const Bucket **) a);
+	s = *((const Bucket **) b);
+
+	if (f->nKeyLength == 0 && s->nKeyLength == 0) { /* both numeric */
+		return ZEND_NORMALIZE_BOOL(f->nKeyLength - s->nKeyLength);
+	} else if (f->nKeyLength == 0) { /* f is numeric, s is not */
+		return -1;
+	} else if (s->nKeyLength == 0) { /* s is numeric, f is not */
+		return 1;
+	} else { /* both strings */
+		return zend_binary_strcasecmp(f->arKey, f->nKeyLength, s->arKey, s->nKeyLength);
+	}
+}
+/* }}} */
+
+ZEND_API void zend_ini_sort_entries(TSRMLS_D) /* {{{ */
+{
+	zend_hash_sort(EG(ini_directives), zend_qsort, ini_key_compare, 0 TSRMLS_CC);
+}
+/* }}} */
+
+/*
+ * Registration / unregistration
+ */
+ZEND_API int zend_register_ini_entries(const zend_ini_entry *ini_entry, int module_number TSRMLS_DC) /* {{{ */
+{
+	const zend_ini_entry *p = ini_entry;
+	zend_ini_entry *hashed_ini_entry;
+	zval default_value;
+	HashTable *directives = registered_zend_ini_directives;
+	zend_bool config_directive_success = 0;
+
+#ifdef ZTS
+	/* if we are called during the request, eg: from dl(),
+	 * then we should not touch the global directives table,
+	 * and should update the per-(request|thread) version instead.
+	 * This solves two problems: one is that ini entries for dl()'d
+	 * extensions will now work, and the second is that updating the
+	 * global hash here from dl() is not mutex protected and can
+	 * lead to death.
+	 */
+	if (directives != EG(ini_directives)) {
+		directives = EG(ini_directives);
+	}
+#endif
+
+	while (p->name) {
+		config_directive_success = 0;
+		if (zend_hash_add(directives, p->name, p->name_length, (void*)p, sizeof(zend_ini_entry), (void **) &hashed_ini_entry) == FAILURE) {
+			zend_unregister_ini_entries(module_number TSRMLS_CC);
+			return FAILURE;
+		}
+		hashed_ini_entry->module_number = module_number;
+		if ((zend_get_configuration_directive(p->name, p->name_length, &default_value)) == SUCCESS) {
+			if (!hashed_ini_entry->on_modify
+				|| hashed_ini_entry->on_modify(hashed_ini_entry, Z_STRVAL(default_value), Z_STRLEN(default_value), hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3, ZEND_INI_STAGE_STARTUP TSRMLS_CC) == SUCCESS) {
+				hashed_ini_entry->value = Z_STRVAL(default_value);
+				hashed_ini_entry->value_length = Z_STRLEN(default_value);
+				config_directive_success = 1;
+			}
+		}
+
+		if (!config_directive_success && hashed_ini_entry->on_modify) {
+			hashed_ini_entry->on_modify(hashed_ini_entry, hashed_ini_entry->value, hashed_ini_entry->value_length, hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3, ZEND_INI_STAGE_STARTUP TSRMLS_CC);
+		}
+		p++;
+	}
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API void zend_unregister_ini_entries(int module_number TSRMLS_DC) /* {{{ */
+{
+	zend_hash_apply_with_argument(registered_zend_ini_directives, (apply_func_arg_t) zend_remove_ini_entries, (void *) &module_number TSRMLS_CC);
+}
+/* }}} */
+
+#ifdef ZTS
+static int zend_ini_refresh_cache(zend_ini_entry *p, int stage TSRMLS_DC) /* {{{ */
+{
+	if (p->on_modify) {
+		p->on_modify(p, p->value, p->value_length, p->mh_arg1, p->mh_arg2, p->mh_arg3, stage TSRMLS_CC);
+	}
+	return 0;
+}
+/* }}} */
+
+ZEND_API void zend_ini_refresh_caches(int stage TSRMLS_DC) /* {{{ */
+{
+	zend_hash_apply_with_argument(EG(ini_directives), (apply_func_arg_t) zend_ini_refresh_cache, (void *)(zend_intptr_t) stage TSRMLS_CC);
+}
+/* }}} */
+#endif
+
+ZEND_API int zend_alter_ini_entry(char *name, uint name_length, char *new_value, uint new_value_length, int modify_type, int stage) /* {{{ */
+{
+	TSRMLS_FETCH();
+
+	return zend_alter_ini_entry_ex(name, name_length, new_value, new_value_length, modify_type, stage, 0 TSRMLS_CC);
+}
+/* }}} */
+
+ZEND_API int zend_alter_ini_entry_ex(char *name, uint name_length, char *new_value, uint new_value_length, int modify_type, int stage, int force_change TSRMLS_DC) /* {{{ */
+{
+	zend_ini_entry *ini_entry;
+	char *duplicate;
+	zend_bool modifiable;
+	zend_bool modified;
+
+	if (zend_hash_find(EG(ini_directives), name, name_length, (void **) &ini_entry) == FAILURE) {
+		return FAILURE;
+	}
+
+	modifiable = ini_entry->modifiable;
+	modified = ini_entry->modified;
+
+	if (stage == ZEND_INI_STAGE_ACTIVATE && modify_type == ZEND_INI_SYSTEM) {
+		ini_entry->modifiable = ZEND_INI_SYSTEM;
+	}
+
+	if (!force_change) {
+		if (!(ini_entry->modifiable & modify_type)) {
+			return FAILURE;
+		}
+	}
+
+	if (!EG(modified_ini_directives)) {
+		ALLOC_HASHTABLE(EG(modified_ini_directives));
+		zend_hash_init(EG(modified_ini_directives), 8, NULL, NULL, 0);
+	}
+	if (!modified) {
+		ini_entry->orig_value = ini_entry->value;
+		ini_entry->orig_value_length = ini_entry->value_length;
+		ini_entry->orig_modifiable = modifiable;
+		ini_entry->modified = 1;
+		zend_hash_add(EG(modified_ini_directives), name, name_length, &ini_entry, sizeof(zend_ini_entry*), NULL);
+	}
+
+	duplicate = estrndup(new_value, new_value_length);
+
+	if (!ini_entry->on_modify
+		|| ini_entry->on_modify(ini_entry, duplicate, new_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3, stage TSRMLS_CC) == SUCCESS) {
+		if (modified && ini_entry->orig_value != ini_entry->value) { /* we already changed the value, free the changed value */
+			efree(ini_entry->value);
+		}
+		ini_entry->value = duplicate;
+		ini_entry->value_length = new_value_length;
+	} else {
+		efree(duplicate);
+		return FAILURE;
+	}
+
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API int zend_restore_ini_entry(char *name, uint name_length, int stage) /* {{{ */
+{
+	zend_ini_entry *ini_entry;
+	TSRMLS_FETCH();
+
+	if (zend_hash_find(EG(ini_directives), name, name_length, (void **) &ini_entry) == FAILURE ||
+		(stage == ZEND_INI_STAGE_RUNTIME && (ini_entry->modifiable & ZEND_INI_USER) == 0)) {
+		return FAILURE;
+	}
+
+	if (EG(modified_ini_directives)) {
+		if (zend_restore_ini_entry_cb(ini_entry, stage TSRMLS_CC) == 0) {
+			zend_hash_del(EG(modified_ini_directives), name, name_length);
+		} else {
+			return FAILURE;
+		}
+	}
+
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API int zend_ini_register_displayer(char *name, uint name_length, void (*displayer)(zend_ini_entry *ini_entry, int type)) /* {{{ */
+{
+	zend_ini_entry *ini_entry;
+
+	if (zend_hash_find(registered_zend_ini_directives, name, name_length, (void **) &ini_entry) == FAILURE) {
+		return FAILURE;
+	}
+
+	ini_entry->displayer = displayer;
+	return SUCCESS;
+}
+/* }}} */
+
+/*
+ * Data retrieval
+ */
+
+ZEND_API long zend_ini_long(char *name, uint name_length, int orig) /* {{{ */
+{
+	zend_ini_entry *ini_entry;
+	TSRMLS_FETCH();
+
+	if (zend_hash_find(EG(ini_directives), name, name_length, (void **) &ini_entry) == SUCCESS) {
+		if (orig && ini_entry->modified) {
+			return (ini_entry->orig_value ? strtol(ini_entry->orig_value, NULL, 0) : 0);
+		} else {
+			return (ini_entry->value      ? strtol(ini_entry->value, NULL, 0)      : 0);
+		}
+	}
+
+	return 0;
+}
+/* }}} */
+
+ZEND_API double zend_ini_double(char *name, uint name_length, int orig) /* {{{ */
+{
+	zend_ini_entry *ini_entry;
+	TSRMLS_FETCH();
+
+	if (zend_hash_find(EG(ini_directives), name, name_length, (void **) &ini_entry) == SUCCESS) {
+		if (orig && ini_entry->modified) {
+			return (double) (ini_entry->orig_value ? zend_strtod(ini_entry->orig_value, NULL) : 0.0);
+		} else {
+			return (double) (ini_entry->value      ? zend_strtod(ini_entry->value, NULL)      : 0.0);
+		}
+	}
+
+	return 0.0;
+}
+/* }}} */
+
+ZEND_API char *zend_ini_string_ex(char *name, uint name_length, int orig, zend_bool *exists) /* {{{ */
+{
+	zend_ini_entry *ini_entry;
+	TSRMLS_FETCH();
+
+	if (zend_hash_find(EG(ini_directives), name, name_length, (void **) &ini_entry) == SUCCESS) {
+		if (exists) {
+			*exists = 1;
+		}
+
+		if (orig && ini_entry->modified) {
+			return ini_entry->orig_value;
+		} else {
+			return ini_entry->value;
+		}
+	} else {
+		if (exists) {
+			*exists = 0;
+		}
+		return NULL;
+	}
+}
+/* }}} */
+
+ZEND_API char *zend_ini_string(char *name, uint name_length, int orig) /* {{{ */
+{
+	zend_bool exists = 1;
+	char *return_value;
+
+	return_value = zend_ini_string_ex(name, name_length, orig, &exists);
+	if (!exists) {
+		return NULL;
+	} else if (!return_value) {
+		return_value = "";
+	}
+	return return_value;
+}
+/* }}} */
+
+#if TONY_20070307
+static void zend_ini_displayer_cb(zend_ini_entry *ini_entry, int type) /* {{{ */
+{
+	if (ini_entry->displayer) {
+		ini_entry->displayer(ini_entry, type);
+	} else {
+		char *display_string;
+		uint display_string_length;
+
+		if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
+			if (ini_entry->orig_value) {
+				display_string = ini_entry->orig_value;
+				display_string_length = ini_entry->orig_value_length;
+			} else {
+				if (zend_uv.html_errors) {
+					display_string = NO_VALUE_HTML;
+					display_string_length = sizeof(NO_VALUE_HTML) - 1;
+				} else {
+					display_string = NO_VALUE_PLAINTEXT;
+					display_string_length = sizeof(NO_VALUE_PLAINTEXT) - 1;
+				}
+			}
+		} else if (ini_entry->value && ini_entry->value[0]) {
+			display_string = ini_entry->value;
+			display_string_length = ini_entry->value_length;
+		} else {
+			if (zend_uv.html_errors) {
+				display_string = NO_VALUE_HTML;
+				display_string_length = sizeof(NO_VALUE_HTML) - 1;
+			} else {
+				display_string = NO_VALUE_PLAINTEXT;
+				display_string_length = sizeof(NO_VALUE_PLAINTEXT) - 1;
+			}
+		}
+		ZEND_WRITE(display_string, display_string_length);
+	}
+}
+/* }}} */
+#endif
+
+ZEND_INI_DISP(zend_ini_boolean_displayer_cb) /* {{{ */
+{
+	int value, tmp_value_len;
+	char *tmp_value;
+
+	if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
+		tmp_value = (ini_entry->orig_value ? ini_entry->orig_value : NULL );
+		tmp_value_len = ini_entry->orig_value_length;
+	} else if (ini_entry->value) {
+		tmp_value = ini_entry->value;
+		tmp_value_len = ini_entry->value_length;
+	} else {
+		tmp_value = NULL;
+		tmp_value_len = 0;
+	}
+
+	if (tmp_value) {
+		if (tmp_value_len == 4 && strcasecmp(tmp_value, "true") == 0) {
+			value = 1;
+		} else if (tmp_value_len == 3 && strcasecmp(tmp_value, "yes") == 0) {
+			value = 1;
+		} else if (tmp_value_len == 2 && strcasecmp(tmp_value, "on") == 0) {
+			value = 1;
+		} else {
+			value = atoi(tmp_value);
+		}
+	} else {
+		value = 0;
+	}
+
+	if (value) {
+		ZEND_PUTS("On");
+	} else {
+		ZEND_PUTS("Off");
+	}
+}
+/* }}} */
+
+ZEND_INI_DISP(zend_ini_color_displayer_cb) /* {{{ */
+{
+	char *value;
+
+	if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
+		value = ini_entry->orig_value;
+	} else if (ini_entry->value) {
+		value = ini_entry->value;
+	} else {
+		value = NULL;
+	}
+	if (value) {
+		if (zend_uv.html_errors) {
+			zend_printf("<font style=\"color: %s\">%s</font>", value, value);
+		} else {
+			ZEND_PUTS(value);
+		}
+	} else {
+		if (zend_uv.html_errors) {
+			ZEND_PUTS(NO_VALUE_HTML);
+		} else {
+			ZEND_PUTS(NO_VALUE_PLAINTEXT);
+		}
+	}
+}
+/* }}} */
+
+ZEND_INI_DISP(display_link_numbers) /* {{{ */
+{
+	char *value;
+
+	if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
+		value = ini_entry->orig_value;
+	} else if (ini_entry->value) {
+		value = ini_entry->value;
+	} else {
+		value = NULL;
+	}
+
+	if (value) {
+		if (atoi(value) == -1) {
+			ZEND_PUTS("Unlimited");
+		} else {
+			zend_printf("%s", value);
+		}
+	}
+}
+/* }}} */
+
+/* Standard message handlers */
+ZEND_API ZEND_INI_MH(OnUpdateBool) /* {{{ */
+{
+	zend_bool *p;
+#ifndef ZTS
+	char *base = (char *) mh_arg2;
+#else
+	char *base;
+
+	base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+	p = (zend_bool *) (base+(size_t) mh_arg1);
+
+	if (new_value_length == 2 && strcasecmp("on", new_value) == 0) {
+		*p = (zend_bool) 1;
+	}
+	else if (new_value_length == 3 && strcasecmp("yes", new_value) == 0) {
+		*p = (zend_bool) 1;
+	}
+	else if (new_value_length == 4 && strcasecmp("true", new_value) == 0) {
+		*p = (zend_bool) 1;
+	}
+	else {
+		*p = (zend_bool) atoi(new_value);
+	}
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API ZEND_INI_MH(OnUpdateLong) /* {{{ */
+{
+	long *p;
+#ifndef ZTS
+	char *base = (char *) mh_arg2;
+#else
+	char *base;
+
+	base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+	p = (long *) (base+(size_t) mh_arg1);
+
+	*p = zend_atol(new_value, new_value_length);
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API ZEND_INI_MH(OnUpdateLongGEZero) /* {{{ */
+{
+	long *p, tmp;
+#ifndef ZTS
+	char *base = (char *) mh_arg2;
+#else
+	char *base;
+
+	base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+	tmp = zend_atol(new_value, new_value_length);
+	if (tmp < 0) {
+		return FAILURE;
+	}
+
+	p = (long *) (base+(size_t) mh_arg1);
+	*p = tmp;
+
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API ZEND_INI_MH(OnUpdateReal) /* {{{ */
+{
+	double *p;
+#ifndef ZTS
+	char *base = (char *) mh_arg2;
+#else
+	char *base;
+
+	base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+	p = (double *) (base+(size_t) mh_arg1);
+
+	*p = zend_strtod(new_value, NULL);
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API ZEND_INI_MH(OnUpdateString) /* {{{ */
+{
+	char **p;
+#ifndef ZTS
+	char *base = (char *) mh_arg2;
+#else
+	char *base;
+
+	base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+	p = (char **) (base+(size_t) mh_arg1);
+
+	*p = new_value;
+	return SUCCESS;
+}
+/* }}} */
+
+ZEND_API ZEND_INI_MH(OnUpdateStringUnempty) /* {{{ */
+{
+	char **p;
+#ifndef ZTS
+	char *base = (char *) mh_arg2;
+#else
+	char *base;
+
+	base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+	if (new_value && !new_value[0]) {
+		return FAILURE;
+	}
+
+	p = (char **) (base+(size_t) mh_arg1);
+
+	*p = new_value;
+	return SUCCESS;
+}
+/* }}} */
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ */