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This bug is created as a clone of upstream ticket:
https://fedorahosted.org/freeipa/ticket/4511
Currently, the OTP token validation window is hard-coded. Admin should be able ton configure the windows (time window for TOTP or number of tries for HOTP tokens) in UI/CLI.
Fixed upstream:
master:
9baa93da1cbf56c2a6f7e82e099bc3ff3f19e2e4 Make token auth and sync windows configurable
b01767c69d69806b3c701242d617b6fa08e7d882 Create an OTP help topic
ipa-4-1:
3013385ca4a28a4f203fae6dbef34321720d8879 Make token auth and sync windows configurable
f5ae902eb5c391bd6150c99d5b3316be937aa459 Create an OTP help topic
Verified using ipa-server-4.2.0-10.el7.x86_64
added a totp token for a user, and by default - auth window is 5 min.
test - change time on server machine to +3; auth with current token
test - change time on server machine to +6; failed to auth with current token
test - change auth window to 2; change time on server machine to +3; failed to auth with current token
test - change time on server machine to +2; auth with current token
test - change auth window to +11: no error. thought - max allowed is 10; allowed to change to +100 min as well.
test - change window to 0; error that min is 5
test - change window to non numeric or blank or negative number - error as expected.
added a totp token for a user, and by default - sync window is 1 day.
test: change time on server machine to +10; sync to current token using ipa otptoken-sync interactively
# ipa otptoken-show --all <token id> shows clock offset as 4294966636 (have bz1217009 for this issue)
test: changed time to current time. auth failed with current token - that is expected...because now the token is synced for current+10 min; auth window is 5 min.
test - change window to 90000
test - change window to 0; error that min is 5
test - change window to non numeric or blank or negative number - error as expected.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-2362.html