bb9ad09e8e
Update script to look for period or POD markup in NAME section, and fix them. Reviewed-by: Andy Polyakov <appro@openssl.org>
120 lines
4.9 KiB
Text
120 lines
4.9 KiB
Text
=pod
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=head1 NAME
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OCSP_resp_find_status, OCSP_resp_count, OCSP_resp_get0, OCSP_resp_find, OCSP_single_get0_status, OCSP_check_validity - OCSP response utility functions
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=head1 SYNOPSIS
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#include <openssl/ocsp.h>
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int OCSP_resp_find_status(OCSP_BASICRESP *bs, OCSP_CERTID *id, int *status,
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int *reason,
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ASN1_GENERALIZEDTIME **revtime,
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ASN1_GENERALIZEDTIME **thisupd,
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ASN1_GENERALIZEDTIME **nextupd);
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int OCSP_resp_count(OCSP_BASICRESP *bs);
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OCSP_SINGLERESP *OCSP_resp_get0(OCSP_BASICRESP *bs, int idx);
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int OCSP_resp_find(OCSP_BASICRESP *bs, OCSP_CERTID *id, int last);
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int OCSP_single_get0_status(OCSP_SINGLERESP *single, int *reason,
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ASN1_GENERALIZEDTIME **revtime,
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ASN1_GENERALIZEDTIME **thisupd,
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ASN1_GENERALIZEDTIME **nextupd);
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ASN1_GENERALIZEDTIME *OCSP_resp_get0_produced_at(OCSP_BASICRESP* single);
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int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd,
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ASN1_GENERALIZEDTIME *nextupd,
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long sec, long maxsec);
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=head1 DESCRIPTION
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OCSP_resp_find_status() searches B<bs> for an OCSP response for B<id>. If it is
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successful the fields of the response are returned in B<*status>, B<*reason>,
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B<*revtime>, B<*thisupd> and B<*nextupd>. The B<*status> value will be one of
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B<V_OCSP_CERTSTATUS_GOOD>, B<V_OCSP_CERTSTATUS_REVOKED> or
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B<V_OCSP_CERTSTATUS_UNKNOWN>. The B<*reason> and B<*revtime> fields are only
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set if the status is B<V_OCSP_CERTSTATUS_REVOKED>. If set the B<*reason> field
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will be set to the revocation reason which will be one of
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B<OCSP_REVOKED_STATUS_NOSTATUS>, B<OCSP_REVOKED_STATUS_UNSPECIFIED>,
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B<OCSP_REVOKED_STATUS_KEYCOMPROMISE>, B<OCSP_REVOKED_STATUS_CACOMPROMISE>,
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B<OCSP_REVOKED_STATUS_AFFILIATIONCHANGED>, B<OCSP_REVOKED_STATUS_SUPERSEDED>,
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B<OCSP_REVOKED_STATUS_CESSATIONOFOPERATION>,
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B<OCSP_REVOKED_STATUS_CERTIFICATEHOLD> or B<OCSP_REVOKED_STATUS_REMOVEFROMCRL>.
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OCSP_resp_count() returns the number of B<OCSP_SINGLERESP> structures in B<bs>.
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OCSP_resp_get0() returns the B<OCSP_SINGLERESP> structure in B<bs>
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corresponding to index B<idx>. Where B<idx> runs from 0 to
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OCSP_resp_count(bs) - 1.
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OCSP_resp_find() searches B<bs> for B<id> and returns the index of the first
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matching entry after B<last> or starting from the beginning if B<last> is -1.
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OCSP_single_get0_status() extracts the fields of B<single> in B<*reason>,
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B<*revtime>, B<*thisupd> and B<*nextupd>.
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OCSP_resp_get0_produced_at() extracts the B<producedAt> field from the
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single response B<bs>.
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OCSP_check_validity() checks the validity of B<thisupd> and B<nextupd> values
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which will be typically obtained from OCSP_resp_find_status() or
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OCSP_single_get0_status(). If B<sec> is non-zero it indicates how many seconds
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leeway should be allowed in the check. If B<maxsec> is positive it indicates
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the maximum age of B<thisupd> in seconds.
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=head1 RETURN VALUES
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OCSP_resp_find_status() returns 1 if B<id> is found in B<bs> and 0 otherwise.
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OCSP_resp_count() returns the total number of B<OCSP_SINGLERESP> fields in
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B<bs>.
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OCSP_resp_get0() returns a pointer to an B<OCSP_SINGLERESP> structure or
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B<NULL> if B<idx> is out of range.
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OCSP_resp_find() returns the index of B<id> in B<bs> (which may be 0) or -1 if
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B<id> was not found.
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OCSP_single_get0_status() returns the status of B<single> or -1 if an error
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occurred.
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=head1 NOTES
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Applications will typically call OCSP_resp_find_status() using the certificate
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ID of interest and then check its validity using OCSP_check_validity(). They
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can then take appropriate action based on the status of the certificate.
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An OCSP response for a certificate contains B<thisUpdate> and B<nextUpdate>
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fields. Normally the current time should be between these two values. To
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account for clock skew the B<maxsec> field can be set to non-zero in
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OCSP_check_validity(). Some responders do not set the B<nextUpdate> field, this
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would otherwise mean an ancient response would be considered valid: the
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B<maxsec> parameter to OCSP_check_validity() can be used to limit the permitted
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age of responses.
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The values written to B<*revtime>, B<*thisupd> and B<*nextupd> by
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OCSP_resp_find_status() and OCSP_single_get0_status() are internal pointers
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which B<MUST NOT> be freed up by the calling application. Any or all of these
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parameters can be set to NULL if their value is not required.
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=head1 SEE ALSO
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L<crypto(3)>,
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L<OCSP_cert_to_id(3)>,
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L<OCSP_request_add1_nonce(3)>,
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L<OCSP_REQUEST_new(3)>,
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L<OCSP_response_status(3)>,
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L<OCSP_sendreq_new(3)>
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=head1 COPYRIGHT
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Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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