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Fixed xpath crashes discovered by fuzzing

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Added fuzz code for xpath
Test: added negative xpath tests
This commit is contained in:
Olof hagsand 2022-11-04 16:12:22 +01:00
parent 05cdbf5c4f
commit 779fcf5458
16 changed files with 197 additions and 29 deletions
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4
lib/src/clixon_xpath_parse.y
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@ -330,8 +330,9 @@ xp_nodetest_function(clixon_xpath_yacc *xpy,
xpath_tree *xtret = NULL;
cbuf *cb = NULL;
enum clixon_xpath_function fn;
int ret;
if ((fn = xp_fnname_str2int(name)) < 0){
if ((ret = xp_fnname_str2int(name)) < 0){
if ((cb = cbuf_new()) == NULL){
clicon_err(OE_XML, errno, "cbuf_new");
goto done;
@ -340,6 +341,7 @@ xp_nodetest_function(clixon_xpath_yacc *xpy,
clixon_xpath_parseerror(xpy, cbuf_get(cb));
goto done;
}
fn = (enum clixon_xpath_function)ret;
switch (fn){
case XPATHFN_COMMENT: /* Group of not implemented node functions */
case XPATHFN_PROCESSING_INSTRUCTIONS: