Ignore unknown parts of PKCS#11 URI

openssh-7.6p1-pkcs11-uri.patch

@@ -3314,7 +3314,7 @@ new file mode 100644
 index 00000000..da15c164
 --- /dev/null
 +++ b/ssh-pkcs11-uri.c
-@@ -0,0 +1,401 @@
+@@ -0,0 +1,395 @@
 +/*
 + * Copyright (c) 2017 Red Hat
 + *
@@ -3619,11 +3619,6 @@ index 00000000..da15c164
 +		if (tok == NULL)
 +			break;
 +		opcode = parse_token(tok);
-+		if (opcode == pBadOption) {
-+			free(p);
-+			verbose("Unknown key in PKCS#11 URI: %s", tok);
-+			return -1;
-+		}
 +
 +		char *arg = tok + strlen(keywords[opcode].name) + 1; /* separator "=" */
 +		switch (opcode) {
@@ -3678,7 +3673,6 @@ index 00000000..da15c164
 +			/* Unrecognized attribute in the URI path SHOULD be error */
 +			verbose("%s: Unknown part of path in PKCS#11 URI: %s",
 +			    __func__, tok);
-+			rv = -1;
 +		}
 +	}
 +