139 lines
5.4 KiB
C
139 lines
5.4 KiB
C
/*
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* Copyright 2014-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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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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* https://www.openssl.org/source/license.html
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*/
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/*
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* This structure holds all parameters associated with a verify operation by
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* including an X509_VERIFY_PARAM structure in related structures the
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* parameters used can be customized
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*/
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struct X509_VERIFY_PARAM_st {
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char *name;
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time_t check_time; /* Time to use */
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unsigned long inh_flags; /* Inheritance flags */
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unsigned long flags; /* Various verify flags */
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int purpose; /* purpose to check untrusted certificates */
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int trust; /* trust setting to check */
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int depth; /* Verify depth */
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int auth_level; /* Security level for chain verification */
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STACK_OF(ASN1_OBJECT) *policies; /* Permissible policies */
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/* Peer identity details */
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STACK_OF(OPENSSL_STRING) *hosts; /* Set of acceptable names */
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unsigned int hostflags; /* Flags to control matching features */
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char *peername; /* Matching hostname in peer certificate */
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char *email; /* If not NULL email address to match */
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size_t emaillen;
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unsigned char *ip; /* If not NULL IP address to match */
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size_t iplen; /* Length of IP address */
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};
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/* No error callback if depth < 0 */
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int x509_check_cert_time(X509_STORE_CTX *ctx, X509 *x, int depth);
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/* a sequence of these are used */
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struct x509_attributes_st {
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ASN1_OBJECT *object;
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STACK_OF(ASN1_TYPE) *set;
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};
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struct X509_extension_st {
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ASN1_OBJECT *object;
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ASN1_BOOLEAN critical;
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ASN1_OCTET_STRING value;
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};
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/*
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* Method to handle CRL access. In general a CRL could be very large (several
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* Mb) and can consume large amounts of resources if stored in memory by
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* multiple processes. This method allows general CRL operations to be
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* redirected to more efficient callbacks: for example a CRL entry database.
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*/
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#define X509_CRL_METHOD_DYNAMIC 1
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struct x509_crl_method_st {
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int flags;
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int (*crl_init) (X509_CRL *crl);
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int (*crl_free) (X509_CRL *crl);
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int (*crl_lookup) (X509_CRL *crl, X509_REVOKED **ret,
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ASN1_INTEGER *ser, X509_NAME *issuer);
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int (*crl_verify) (X509_CRL *crl, EVP_PKEY *pk);
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};
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struct x509_lookup_method_st {
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const char *name;
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int (*new_item) (X509_LOOKUP *ctx);
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void (*free) (X509_LOOKUP *ctx);
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int (*init) (X509_LOOKUP *ctx);
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int (*shutdown) (X509_LOOKUP *ctx);
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int (*ctrl) (X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
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char **ret);
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int (*get_by_subject) (X509_LOOKUP *ctx, int type, X509_NAME *name,
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X509_OBJECT *ret);
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int (*get_by_issuer_serial) (X509_LOOKUP *ctx, int type, X509_NAME *name,
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ASN1_INTEGER *serial, X509_OBJECT *ret);
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int (*get_by_fingerprint) (X509_LOOKUP *ctx, int type,
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unsigned char *bytes, int len,
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X509_OBJECT *ret);
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int (*get_by_alias) (X509_LOOKUP *ctx, int type, char *str, int len,
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X509_OBJECT *ret);
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};
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/* This is the functions plus an instance of the local variables. */
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struct x509_lookup_st {
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int init; /* have we been started */
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int skip; /* don't use us. */
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X509_LOOKUP_METHOD *method; /* the functions */
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char *method_data; /* method data */
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X509_STORE *store_ctx; /* who owns us */
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};
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/*
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* This is used to hold everything. It is used for all certificate
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* validation. Once we have a certificate chain, the 'verify' function is
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* then called to actually check the cert chain.
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*/
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struct x509_store_st {
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/* The following is a cache of trusted certs */
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int cache; /* if true, stash any hits */
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STACK_OF(X509_OBJECT) *objs; /* Cache of all objects */
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/* These are external lookup methods */
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STACK_OF(X509_LOOKUP) *get_cert_methods;
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X509_VERIFY_PARAM *param;
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/* Callbacks for various operations */
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/* called to verify a certificate */
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int (*verify) (X509_STORE_CTX *ctx);
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/* error callback */
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int (*verify_cb) (int ok, X509_STORE_CTX *ctx);
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/* get issuers cert from ctx */
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int (*get_issuer) (X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
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/* check issued */
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int (*check_issued) (X509_STORE_CTX *ctx, X509 *x, X509 *issuer);
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/* Check revocation status of chain */
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int (*check_revocation) (X509_STORE_CTX *ctx);
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/* retrieve CRL */
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int (*get_crl) (X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x);
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/* Check CRL validity */
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int (*check_crl) (X509_STORE_CTX *ctx, X509_CRL *crl);
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/* Check certificate against CRL */
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int (*cert_crl) (X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x);
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STACK_OF(X509) *(*lookup_certs) (X509_STORE_CTX *ctx, X509_NAME *nm);
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STACK_OF(X509_CRL) *(*lookup_crls) (X509_STORE_CTX *ctx, X509_NAME *nm);
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int (*cleanup) (X509_STORE_CTX *ctx);
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CRYPTO_EX_DATA ex_data;
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int references;
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CRYPTO_RWLOCK *lock;
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};
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typedef struct lookup_dir_hashes_st BY_DIR_HASH;
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typedef struct lookup_dir_entry_st BY_DIR_ENTRY;
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DEFINE_STACK_OF(BY_DIR_HASH)
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DEFINE_STACK_OF(BY_DIR_ENTRY)
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typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY;
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DEFINE_STACK_OF(STACK_OF_X509_NAME_ENTRY)
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