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Implement request #71571: XSLT processor should provide option to change maxDepth (#13731)

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There are two depth limiting parameters for XSLT templates.
1) maxTemplateDepth
   This corresponds to the recursion depth of a template. For very
   complicated templates this can be hit.
2) maxTemplateVars
   This is the total number of live variables. When using recursive
   templates with lots of parameters you can hit this limit.

This patch introduces two new properties to XSLTProcessor that
corresponds to the above variables.
This commit is contained in:
Niels Dossche 2024-03-31 21:21:23 +02:00 • committed by GitHub
parent 089f51319e
commit 30885f3b5f
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18 changed files with 532 additions and 14 deletions
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8
ext/xsl/xsltprocessor.c
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@ -359,6 +359,14 @@ static xmlDocPtr php_xsl_apply_stylesheet(zval *id, xsl_object *intern, xsltStyl
ctxt->xinclude = zend_is_true(doXInclude);
zend_string_release_ex(member, 0);
zval *max_template_depth = xsl_prop_max_template_depth(Z_OBJ_P(id));
ZEND_ASSERT(Z_TYPE_P(max_template_depth) == IS_LONG);
ctxt->maxTemplateDepth = Z_LVAL_P(max_template_depth);
zval *max_template_vars = xsl_prop_max_template_vars(Z_OBJ_P(id));
ZEND_ASSERT(Z_TYPE_P(max_template_vars) == IS_LONG);
ctxt->maxTemplateVars = Z_LVAL_P(max_template_vars);
secPrefsValue = intern->securityPrefs;
/* if securityPrefs is set to NONE, we don't have to do any checks, but otherwise... */