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vfs: access check on vfs_lookup

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Matheus
2024-08-24 20:21:42 -03:00
parent 4d51507953
commit 357f5c65cf
3 changed files with 8 additions and 1 deletions
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kernel-src/sys/defaultauth.c
+3 -1
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@@ -46,7 +46,9 @@ static int filesystem(cred_t *cred, int actions, void *arg0, void *arg1, void *a
}
if (actions & AUTH_ACTIONS_FILESYSTEM_EXECUTE) {
if ((attr.mode & (V_ATTR_MODE_USER_EXECUTE | V_ATTR_MODE_GROUP_EXECUTE | V_ATTR_MODE_OTHERS_EXECUTE)) && CRED_IS_ESU(cred))
if (vnode->type == V_TYPE_DIR && CRED_IS_ESU(cred))
weight += 1;
else if ((attr.mode & (V_ATTR_MODE_USER_EXECUTE | V_ATTR_MODE_GROUP_EXECUTE | V_ATTR_MODE_OTHERS_EXECUTE)) && CRED_IS_ESU(cred))
weight += 1;
else if (attr.uid == cred->euid && (attr.mode & V_ATTR_MODE_USER_EXECUTE))
weight += 1;