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authorNikita Popov <nikita.ppv@gmail.com>2020-10-22 16:04:22 +0200
committerNikita Popov <nikita.ppv@gmail.com>2020-10-22 16:04:22 +0200
commitd4bf0799b80d8bbd128e9e41624779d844033a42 (patch)
tree1bd5d382c32558ef9d5e2cb8158033fcb67b21da
parentd4200ba6cfd6909265643516e658560502caec70 (diff)
downloadphp-git-d4bf0799b80d8bbd128e9e41624779d844033a42.tar.gz
Don't crash on uninitialized tidy object
"Uninitialized" here means that the object was created ordinarily -- no constructor skipping involved. Most tidy methods seem to handle this fine, but these three need to be guarded.
-rw-r--r--ext/tidy/tests/uninitialized.phpt29
-rw-r--r--ext/tidy/tidy.c13
2 files changed, 39 insertions, 3 deletions
diff --git a/ext/tidy/tests/uninitialized.phpt b/ext/tidy/tests/uninitialized.phpt
new file mode 100644
index 0000000000..3533f0d345
--- /dev/null
+++ b/ext/tidy/tests/uninitialized.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Operations on uninitialized tidy object
+--SKIPIF--
+<?php if (!extension_loaded("tidy")) print "skip"; ?>
+--FILE--
+<?php
+
+$tidy = new tidy;
+try {
+ var_dump($tidy->getHtmlVer());
+} catch (Error $e) {
+ echo $e->getMessage(), "\n";
+}
+try {
+ var_dump($tidy->isXhtml());
+} catch (Error $e) {
+ echo $e->getMessage(), "\n";
+}
+try {
+ var_dump($tidy->isXml());
+} catch (Error $e) {
+ echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+tidy object is not initialized
+tidy object is not initialized
+tidy object is not initialized
diff --git a/ext/tidy/tidy.c b/ext/tidy/tidy.c
index 60170585ce..34fe525a1e 100644
--- a/ext/tidy/tidy.c
+++ b/ext/tidy/tidy.c
@@ -66,6 +66,13 @@
} \
obj = Z_TIDY_P(object); \
+#define TIDY_FETCH_INITIALIZED_OBJECT \
+ TIDY_FETCH_OBJECT; \
+ if (!obj->ptdoc->initialized) { \
+ zend_throw_error(NULL, "tidy object is not initialized"); \
+ return; \
+ }
+
#define TIDY_FETCH_ONLY_OBJECT \
PHPTidyObj *obj; \
TIDY_SET_CONTEXT; \
@@ -1474,7 +1481,7 @@ static PHP_FUNCTION(tidy_get_status)
Get the Detected HTML version for the specified document. */
static PHP_FUNCTION(tidy_get_html_ver)
{
- TIDY_FETCH_OBJECT;
+ TIDY_FETCH_INITIALIZED_OBJECT;
RETURN_LONG(tidyDetectedHtmlVersion(obj->ptdoc->doc));
}
@@ -1484,7 +1491,7 @@ static PHP_FUNCTION(tidy_get_html_ver)
Indicates if the document is a XHTML document. */
static PHP_FUNCTION(tidy_is_xhtml)
{
- TIDY_FETCH_OBJECT;
+ TIDY_FETCH_INITIALIZED_OBJECT;
RETURN_BOOL(tidyDetectedXhtml(obj->ptdoc->doc));
}
@@ -1494,7 +1501,7 @@ static PHP_FUNCTION(tidy_is_xhtml)
Indicates if the document is a generic (non HTML/XHTML) XML document. */
static PHP_FUNCTION(tidy_is_xml)
{
- TIDY_FETCH_OBJECT;
+ TIDY_FETCH_INITIALIZED_OBJECT;
RETURN_BOOL(tidyDetectedGenericXml(obj->ptdoc->doc));
}