79c97bf37c
Right now we're inconsistent about it. If the OPTIONAL container is missing, we report an error, but if the container is empty, we happily return nothing. The latter behavior is more convenient for emulating OpenSSL's PKCS#7 functions. These are our own functions, so we have some leeway here. Looking through callers, they appear to handle this fine. Update-Note: This is a behavior change. Change-Id: I1321025a64df3054d380003c90e57d9eb95e610f Reviewed-on: https://boringssl-review.googlesource.com/29364 Reviewed-by: Adam Langley <agl@google.com>
95 lines
3.8 KiB
C
95 lines
3.8 KiB
C
/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#ifndef OPENSSL_HEADER_PKCS7_H
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#define OPENSSL_HEADER_PKCS7_H
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#include <openssl/base.h>
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#include <openssl/stack.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// PKCS#7.
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//
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// This library contains functions for extracting information from PKCS#7
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// structures (RFC 2315).
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DECLARE_STACK_OF(CRYPTO_BUFFER)
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DECLARE_STACK_OF(X509)
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DECLARE_STACK_OF(X509_CRL)
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// PKCS7_get_raw_certificates parses a PKCS#7, SignedData structure from |cbs|
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// and appends the included certificates to |out_certs|. It returns one on
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// success and zero on error. |cbs| is advanced passed the structure.
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//
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// Note that a SignedData structure may contain no certificates, in which case
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// this function succeeds but does not append any certificates.
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OPENSSL_EXPORT int PKCS7_get_raw_certificates(
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STACK_OF(CRYPTO_BUFFER) *out_certs, CBS *cbs, CRYPTO_BUFFER_POOL *pool);
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// PKCS7_get_certificates behaves like |PKCS7_get_raw_certificates| but parses
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// them into |X509| objects.
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OPENSSL_EXPORT int PKCS7_get_certificates(STACK_OF(X509) *out_certs, CBS *cbs);
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// PKCS7_bundle_certificates appends a PKCS#7, SignedData structure containing
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// |certs| to |out|. It returns one on success and zero on error.
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OPENSSL_EXPORT int PKCS7_bundle_certificates(
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CBB *out, const STACK_OF(X509) *certs);
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// PKCS7_get_CRLs parses a PKCS#7, SignedData structure from |cbs| and appends
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// the included CRLs to |out_crls|. It returns one on success and zero on error.
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// |cbs| is advanced passed the structure.
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//
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// Note that a SignedData structure may contain no CRLs, in which case this
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// function succeeds but does not append any CRLs.
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OPENSSL_EXPORT int PKCS7_get_CRLs(STACK_OF(X509_CRL) *out_crls, CBS *cbs);
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// PKCS7_bundle_CRLs appends a PKCS#7, SignedData structure containing
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// |crls| to |out|. It returns one on success and zero on error.
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OPENSSL_EXPORT int PKCS7_bundle_CRLs(CBB *out, const STACK_OF(X509_CRL) *crls);
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// PKCS7_get_PEM_certificates reads a PEM-encoded, PKCS#7, SignedData structure
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// from |pem_bio| and appends the included certificates to |out_certs|. It
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// returns one on success and zero on error.
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//
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// Note that a SignedData structure may contain no certificates, in which case
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// this function succeeds but does not append any certificates.
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OPENSSL_EXPORT int PKCS7_get_PEM_certificates(STACK_OF(X509) *out_certs,
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BIO *pem_bio);
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// PKCS7_get_PEM_CRLs reads a PEM-encoded, PKCS#7, SignedData structure from
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// |pem_bio| and appends the included CRLs to |out_crls|. It returns one on
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// success and zero on error.
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//
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// Note that a SignedData structure may contain no CRLs, in which case this
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// function succeeds but does not append any CRLs.
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OPENSSL_EXPORT int PKCS7_get_PEM_CRLs(STACK_OF(X509_CRL) *out_crls,
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BIO *pem_bio);
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#if defined(__cplusplus)
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} // extern C
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#endif
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#define PKCS7_R_BAD_PKCS7_VERSION 100
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#define PKCS7_R_NOT_PKCS7_SIGNED_DATA 101
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#define PKCS7_R_NO_CERTIFICATES_INCLUDED 102
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#define PKCS7_R_NO_CRLS_INCLUDED 103
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#endif // OPENSSL_HEADER_PKCS7_H
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