osmo-auc-gen: umts: add --ind-len arg

osmo-auc-gen so far does not allow indicating the IND bit length of SQN. A
default of 5 serves most practical cases, nevertheless we should allow passing
arbitrary IND lengths.

Enhance the test suite to test --ind-len.

Related: OS#2465
Change-Id: Ia1d8b6a823ffc92290b3e39e4e4665aeff80ccc0
diff --git a/tests/osmo-auc-gen/osmo-auc-gen_test.ok b/tests/osmo-auc-gen/osmo-auc-gen_test.ok
index 278c88f..f833760 100644
--- a/tests/osmo-auc-gen/osmo-auc-gen_test.ok
+++ b/tests/osmo-auc-gen/osmo-auc-gen_test.ok
@@ -140,6 +140,76 @@
 SQN:	63
 
 
+> osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind-len 0
+osmo-auc-gen (C) 2011-2012 by Harald Welte
+This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
+
+RAND:	39fa2f4e3d523d8619a73b4f65c3e14d
+AUTN:	8704f5ba55eb0000d7fc4f7f19cfc180
+IK:	27497388b6cb044648f396aa155b95ef
+CK:	f64735036e5871319c679f4742a75ea1
+RES:	e229c19e791f2e41
+SRES:	9b36efdf
+Kc:	059a4f668f6fbe39
+SQN:	24
+
+
+> osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind-len 1
+osmo-auc-gen (C) 2011-2012 by Harald Welte
+This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
+
+RAND:	39fa2f4e3d523d8619a73b4f65c3e14d
+AUTN:	8704f5ba55eb0000d7fc4f7f19cfc180
+IK:	27497388b6cb044648f396aa155b95ef
+CK:	f64735036e5871319c679f4742a75ea1
+RES:	e229c19e791f2e41
+SRES:	9b36efdf
+Kc:	059a4f668f6fbe39
+SQN:	24
+
+
+> osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind-len 1 --ind 1
+osmo-auc-gen (C) 2011-2012 by Harald Welte
+This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
+
+RAND:	39fa2f4e3d523d8619a73b4f65c3e14d
+AUTN:	8704f5ba55ea0000aab06de3fd6c01af
+IK:	27497388b6cb044648f396aa155b95ef
+CK:	f64735036e5871319c679f4742a75ea1
+RES:	e229c19e791f2e41
+SRES:	9b36efdf
+Kc:	059a4f668f6fbe39
+SQN:	25
+
+
+> osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind-len 8
+osmo-auc-gen (C) 2011-2012 by Harald Welte
+This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
+
+RAND:	39fa2f4e3d523d8619a73b4f65c3e14d
+AUTN:	8704f5ba54f30000cbba2fbba3c5e242
+IK:	27497388b6cb044648f396aa155b95ef
+CK:	f64735036e5871319c679f4742a75ea1
+RES:	e229c19e791f2e41
+SRES:	9b36efdf
+Kc:	059a4f668f6fbe39
+SQN:	256
+
+
+> osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind-len 8 --ind 1
+osmo-auc-gen (C) 2011-2012 by Harald Welte
+This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
+
+RAND:	39fa2f4e3d523d8619a73b4f65c3e14d
+AUTN:	8704f5ba54f200008f8e14579da5ecbb
+IK:	27497388b6cb044648f396aa155b95ef
+CK:	f64735036e5871319c679f4742a75ea1
+RES:	e229c19e791f2e41
+SRES:	9b36efdf
+Kc:	059a4f668f6fbe39
+SQN:	257
+
+
 expecting error:
 > osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind -1
 osmo-auc-gen (C) 2011-2012 by Harald Welte
@@ -159,3 +229,10 @@
 osmo-auc-gen (C) 2011-2012 by Harald Welte
 This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
 
+
+
+expecting error:
+> osmo-auc-gen -3 -a milenage -r 39fa2f4e3d523d8619a73b4f65c3e14d -k EB215756028D60E3275E613320AEC880 -o FB2A3D1B360F599ABAB99DB8669F8308 -A 979498b1f72d3e28c59fa2e72f9c --ind-len 0 --ind 1
+osmo-auc-gen (C) 2011-2012 by Harald Welte
+This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY
+