scsi: target: compare full CHAP_A Algorithm strings
[ Upstream commit 9cef2a79 ] RFC 2307 states: For CHAP [RFC1994], in the first step, the initiator MUST send: CHAP_A=<A1,A2...> Where A1,A2... are proposed algorithms, in order of preference. ... For the Algorithm, as stated in [RFC1994], one value is required to be implemented: 5 (CHAP with MD5) LIO currently checks for this value by only comparing a single byte in the tokenized Algorithm string, which means that any value starting with a '5' (e.g. "55") is interpreted as "CHAP with MD5". Fix this by comparing the entire tokenized string. Reviewed-by:Lee Duncan <lduncan@suse.com> Reviewed-by:
Mike Christie <mchristi@redhat.com> Signed-off-by:
David Disseldorp <ddiss@suse.de> Link: https://lore.kernel.org/r/20190912095547.22427-2-ddiss@suse.de Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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