475 lines
17 KiB
C
475 lines
17 KiB
C
#ifndef HEADER_X509_VFY_H
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#define HEADER_X509_VFY_H
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#include "opensslconf.h"
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#ifndef OPENSSL_NO_LHASH
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#include "lhash.h"
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#endif
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#include "bio.h"
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#include "crypto.h"
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#include "symhacks.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Outer object */
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typedef struct x509_hash_dir_st {
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int num_dirs;
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char **dirs;
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int *dirs_type;
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int num_dirs_alloced;
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} X509_HASH_DIR_CTX;
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typedef struct x509_file_st {
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int num_paths; /* number of paths to files or directories */
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int num_alloced;
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char **paths; /* the list of paths or directories */
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int *path_type;
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} X509_CERT_FILE_CTX;
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/*******************************/
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/*
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SSL_CTX -> X509_STORE
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-> X509_LOOKUP
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->X509_LOOKUP_METHOD
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-> X509_LOOKUP
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->X509_LOOKUP_METHOD
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SSL -> X509_STORE_CTX
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->X509_STORE
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The X509_STORE holds the tables etc for verification stuff.
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A X509_STORE_CTX is used while validating a single certificate.
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The X509_STORE has X509_LOOKUPs for looking up certs.
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The X509_STORE then calls a function to actually verify the
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certificate chain.
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*/
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#define X509_LU_RETRY -1
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#define X509_LU_FAIL 0
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#define X509_LU_X509 1
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#define X509_LU_CRL 2
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#define X509_LU_PKEY 3
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typedef struct x509_object_st {
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/* one of the above types */
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int type;
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union {
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char *ptr;
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X509 *x509;
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X509_CRL *crl;
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EVP_PKEY *pkey;
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} data;
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} X509_OBJECT;
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typedef struct x509_lookup_st X509_LOOKUP;
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DECLARE_STACK_OF(X509_LOOKUP)
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DECLARE_STACK_OF(X509_OBJECT)
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/* This is a static that defines the function interface */
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typedef 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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} X509_LOOKUP_METHOD;
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/* This structure hold all parameters associated with a verify operation
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* by 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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typedef 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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STACK_OF(ASN1_OBJECT) * policies; /* Permissible policies */
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} X509_VERIFY_PARAM;
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DECLARE_STACK_OF(X509_VERIFY_PARAM)
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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'
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* function is then called to actually check the cert chain. */
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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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int (*verify)(X509_STORE_CTX *ctx); /* called to verify a certificate */
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int (*verify_cb)(int ok, X509_STORE_CTX *ctx); /* error callback */
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int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx,
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X509 *x); /* get issuers cert from ctx */
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int (*check_issued)(X509_STORE_CTX *ctx, X509 *x,
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X509 *issuer); /* check issued */
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int (*check_revocation)(
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X509_STORE_CTX *ctx); /* Check revocation status of chain */
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int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl,
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X509 *x); /* retrieve CRL */
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int (*check_crl)(X509_STORE_CTX *ctx,
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X509_CRL *crl); /* Check CRL validity */
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int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl,
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X509 *x); /* Check certificate against CRL */
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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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} /* X509_STORE */;
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int X509_STORE_set_depth(X509_STORE *store, int depth);
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#define X509_STORE_set_verify_cb_func(ctx, func) ((ctx)->verify_cb = (func))
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#define X509_STORE_set_verify_func(ctx, func) ((ctx)->verify = (func))
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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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} /* X509_LOOKUP */;
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/* This is a used when verifying cert chains. Since the
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* gathering of the cert chain can take some time (and have to be
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* 'retried', this needs to be kept and passed around. */
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struct x509_store_ctx_st /* X509_STORE_CTX */
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{
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X509_STORE *ctx;
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int current_method; /* used when looking up certs */
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/* The following are set by the caller */
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X509 *cert; /* The cert to check */
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STACK_OF(X509) * untrusted; /* chain of X509s - untrusted - passed in */
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STACK_OF(X509_CRL) * crls; /* set of CRLs passed in */
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X509_VERIFY_PARAM *param;
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void *other_ctx; /* Other info for use with get_issuer() */
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/* Callbacks for various operations */
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int (*verify)(X509_STORE_CTX *ctx); /* called to verify a certificate */
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int (*verify_cb)(int ok, X509_STORE_CTX *ctx); /* error callback */
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int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx,
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X509 *x); /* get issuers cert from ctx */
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int (*check_issued)(X509_STORE_CTX *ctx, X509 *x,
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X509 *issuer); /* check issued */
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int (*check_revocation)(
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X509_STORE_CTX *ctx); /* Check revocation status of chain */
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int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl,
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X509 *x); /* retrieve CRL */
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int (*check_crl)(X509_STORE_CTX *ctx,
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X509_CRL *crl); /* Check CRL validity */
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int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl,
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X509 *x); /* Check certificate against CRL */
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int (*check_policy)(X509_STORE_CTX *ctx);
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int (*cleanup)(X509_STORE_CTX *ctx);
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/* The following is built up */
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int valid; /* if 0, rebuild chain */
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int last_untrusted; /* index of last untrusted cert */
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STACK_OF(X509) * chain; /* chain of X509s - built up and trusted */
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X509_POLICY_TREE *tree; /* Valid policy tree */
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int explicit_policy; /* Require explicit policy value */
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/* When something goes wrong, this is why */
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int error_depth;
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int error;
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X509 *current_cert;
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X509 *current_issuer; /* cert currently being tested as valid issuer */
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X509_CRL *current_crl; /* current CRL */
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CRYPTO_EX_DATA ex_data;
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} /* X509_STORE_CTX */;
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void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
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#define X509_STORE_CTX_set_app_data(ctx, data) \
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X509_STORE_CTX_set_ex_data(ctx, 0, data)
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#define X509_STORE_CTX_get_app_data(ctx) X509_STORE_CTX_get_ex_data(ctx, 0)
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#define X509_L_FILE_LOAD 1
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#define X509_L_ADD_DIR 2
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#define X509_LOOKUP_load_file(x, name, type) \
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X509_LOOKUP_ctrl((x), X509_L_FILE_LOAD, (name), (long)(type), NULL)
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#define X509_LOOKUP_add_dir(x, name, type) \
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X509_LOOKUP_ctrl((x), X509_L_ADD_DIR, (name), (long)(type), NULL)
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#define X509_V_OK 0
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/* illegal error (for uninitialized values, to avoid X509_V_OK): 1 */
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#define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT 2
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#define X509_V_ERR_UNABLE_TO_GET_CRL 3
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#define X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE 4
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#define X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE 5
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#define X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY 6
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#define X509_V_ERR_CERT_SIGNATURE_FAILURE 7
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#define X509_V_ERR_CRL_SIGNATURE_FAILURE 8
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#define X509_V_ERR_CERT_NOT_YET_VALID 9
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#define X509_V_ERR_CERT_HAS_EXPIRED 10
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#define X509_V_ERR_CRL_NOT_YET_VALID 11
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#define X509_V_ERR_CRL_HAS_EXPIRED 12
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#define X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD 13
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#define X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD 14
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#define X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD 15
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#define X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD 16
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#define X509_V_ERR_OUT_OF_MEM 17
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#define X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT 18
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#define X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN 19
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#define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY 20
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#define X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE 21
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#define X509_V_ERR_CERT_CHAIN_TOO_LONG 22
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#define X509_V_ERR_CERT_REVOKED 23
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#define X509_V_ERR_INVALID_CA 24
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#define X509_V_ERR_PATH_LENGTH_EXCEEDED 25
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#define X509_V_ERR_INVALID_PURPOSE 26
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#define X509_V_ERR_CERT_UNTRUSTED 27
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#define X509_V_ERR_CERT_REJECTED 28
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/* These are 'informational' when looking for issuer cert */
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#define X509_V_ERR_SUBJECT_ISSUER_MISMATCH 29
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#define X509_V_ERR_AKID_SKID_MISMATCH 30
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#define X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH 31
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#define X509_V_ERR_KEYUSAGE_NO_CERTSIGN 32
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#define X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER 33
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#define X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION 34
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#define X509_V_ERR_KEYUSAGE_NO_CRL_SIGN 35
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#define X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION 36
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#define X509_V_ERR_INVALID_NON_CA 37
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#define X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED 38
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#define X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE 39
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#define X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED 40
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#define X509_V_ERR_INVALID_EXTENSION 41
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#define X509_V_ERR_INVALID_POLICY_EXTENSION 42
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#define X509_V_ERR_NO_EXPLICIT_POLICY 43
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#define X509_V_ERR_UNNESTED_RESOURCE 44
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/* The application is not happy */
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#define X509_V_ERR_APPLICATION_VERIFICATION 50
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/* Certificate verify flags */
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/* Send issuer+subject checks to verify_cb */
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#define X509_V_FLAG_CB_ISSUER_CHECK 0x1
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/* Use check time instead of current time */
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#define X509_V_FLAG_USE_CHECK_TIME 0x2
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/* Lookup CRLs */
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#define X509_V_FLAG_CRL_CHECK 0x4
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/* Lookup CRLs for whole chain */
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#define X509_V_FLAG_CRL_CHECK_ALL 0x8
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/* Ignore unhandled critical extensions */
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#define X509_V_FLAG_IGNORE_CRITICAL 0x10
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/* Disable workarounds for broken certificates */
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#define X509_V_FLAG_X509_STRICT 0x20
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/* Enable proxy certificate validation */
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#define X509_V_FLAG_ALLOW_PROXY_CERTS 0x40
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/* Enable policy checking */
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#define X509_V_FLAG_POLICY_CHECK 0x80
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/* Policy variable require-explicit-policy */
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#define X509_V_FLAG_EXPLICIT_POLICY 0x100
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/* Policy variable inhibit-any-policy */
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#define X509_V_FLAG_INHIBIT_ANY 0x200
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/* Policy variable inhibit-policy-mapping */
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#define X509_V_FLAG_INHIBIT_MAP 0x400
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/* Notify callback that policy is OK */
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#define X509_V_FLAG_NOTIFY_POLICY 0x800
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/* Check selfsigned CA signature */
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#define X509_V_FLAG_CHECK_SS_SIGNATURE 0x4000
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#define X509_VP_FLAG_DEFAULT 0x1
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#define X509_VP_FLAG_OVERWRITE 0x2
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#define X509_VP_FLAG_RESET_FLAGS 0x4
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#define X509_VP_FLAG_LOCKED 0x8
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#define X509_VP_FLAG_ONCE 0x10
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/* Internal use: mask of policy related options */
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#define X509_V_FLAG_POLICY_MASK \
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(X509_V_FLAG_POLICY_CHECK | X509_V_FLAG_EXPLICIT_POLICY | \
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X509_V_FLAG_INHIBIT_ANY | X509_V_FLAG_INHIBIT_MAP)
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int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) * h, int type,
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X509_NAME *name);
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X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) * h,
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int type, X509_NAME *name);
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X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) * h,
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X509_OBJECT *x);
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void X509_OBJECT_up_ref_count(X509_OBJECT *a);
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void X509_OBJECT_free_contents(X509_OBJECT *a);
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X509_STORE *X509_STORE_new(void);
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void X509_STORE_free(X509_STORE *v);
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int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
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int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
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int X509_STORE_set_trust(X509_STORE *ctx, int trust);
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int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
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X509_STORE_CTX *X509_STORE_CTX_new(void);
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int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
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void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
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int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509,
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STACK_OF(X509) * chain);
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void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) * sk);
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void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
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X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
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X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
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X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
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int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
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int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
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int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
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X509_OBJECT *ret);
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int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
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char **ret);
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#ifndef OPENSSL_NO_STDIO
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int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
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int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
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int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
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#endif
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X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
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void X509_LOOKUP_free(X509_LOOKUP *ctx);
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int X509_LOOKUP_init(X509_LOOKUP *ctx);
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int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
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X509_OBJECT *ret);
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int X509_LOOKUP_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 X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type, unsigned char *bytes,
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int len, X509_OBJECT *ret);
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int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
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X509_OBJECT *ret);
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int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
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#ifndef OPENSSL_NO_STDIO
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int X509_STORE_load_locations(X509_STORE *ctx, const char *file,
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const char *dir);
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int X509_STORE_set_default_paths(X509_STORE *ctx);
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#endif
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int X509_STORE_CTX_get_ex_new_index(long argl, void *argp,
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CRYPTO_EX_new *new_func,
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CRYPTO_EX_dup *dup_func,
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CRYPTO_EX_free *free_func);
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int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data);
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void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx);
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int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
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void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
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int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
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X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
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STACK_OF(X509) * X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
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STACK_OF(X509) * X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
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void X509_STORE_CTX_set_cert(X509_STORE_CTX *c, X509 *x);
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void X509_STORE_CTX_set_chain(X509_STORE_CTX *c, STACK_OF(X509) * sk);
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void X509_STORE_CTX_set0_crls(X509_STORE_CTX *c, STACK_OF(X509_CRL) * sk);
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int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
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int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
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int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
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int purpose, int trust);
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void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
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void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
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time_t t);
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void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
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int (*verify_cb)(int, X509_STORE_CTX *));
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X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
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int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
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X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
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void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
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int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
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/* X509_VERIFY_PARAM functions */
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X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
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void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
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int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
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const X509_VERIFY_PARAM *from);
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int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
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const X509_VERIFY_PARAM *from);
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int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
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int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param, unsigned long flags);
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int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
|
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unsigned long flags);
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unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
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int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
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int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
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void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
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void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
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int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
|
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ASN1_OBJECT *policy);
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int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
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STACK_OF(ASN1_OBJECT) * policies);
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int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
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|
|
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int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
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const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
|
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void X509_VERIFY_PARAM_table_cleanup(void);
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|
|
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int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
|
|
STACK_OF(X509) * certs,
|
|
STACK_OF(ASN1_OBJECT) * policy_oids, unsigned int flags);
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|
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void X509_policy_tree_free(X509_POLICY_TREE *tree);
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|
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int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
|
|
X509_POLICY_LEVEL *X509_policy_tree_get0_level(const X509_POLICY_TREE *tree,
|
|
int i);
|
|
|
|
STACK_OF(X509_POLICY_NODE) *
|
|
X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
|
|
|
|
STACK_OF(X509_POLICY_NODE) *
|
|
X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
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|
|
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int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
|
|
|
|
X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i);
|
|
|
|
const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
|
|
|
|
STACK_OF(POLICYQUALINFO) *
|
|
X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
|
|
const X509_POLICY_NODE *
|
|
X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
|
|
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#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
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