#include <openssl/cmp.h>
- OSSL_CMP_CTX *OSSL_CMP_CTX_new(OPENSSL_CTX *libctx, const char *propq);
+ OSSL_CMP_CTX *OSSL_CMP_CTX_new(OSSL_LIB_CTX *libctx, const char *propq);
void OSSL_CMP_CTX_free(OSSL_CMP_CTX *ctx);
int OSSL_CMP_CTX_reinit(OSSL_CMP_CTX *ctx);
int OSSL_CMP_CTX_set_option(OSSL_CMP_CTX *ctx, int opt, int val);
OSSL_CMP_CTX_free() deallocates an OSSL_CMP_CTX structure.
-OSSL_CMP_CTX_reinit() prepares the given B<ctx> for a further transaction by
+OSSL_CMP_CTX_reinit() prepares the given I<ctx> for a further transaction by
clearing the internal CMP transaction (aka session) status, PKIStatusInfo,
and any previous results (newCert, newChain, caPubs, and extraCertsIn)
from the last executed transaction.
=item B<OSSL_CMP_OPT_IGNORE_KEYUSAGE>
- Ignore key usage restrictions in signer certificate when
+ Ignore key usage restrictions in the signer's certificate when
validating signature-based protection in received CMP messages.
Else, 'digitalSignature' must be allowed by CMP signer certificates.
OSSL_CMP_CTX_get_option() reads the current value of the given option
(e.g., OSSL_CMP_OPT_IMPLICIT_CONFIRM) from the given OSSL_CMP_CTX structure.
-OSSL_CMP_CTX_set_log_cb() sets in B<ctx> the callback function C<cb>
+OSSL_CMP_CTX_set_log_cb() sets in I<ctx> the callback function I<cb>
for handling error queue entries and logging messages.
-When C<cb> is NULL errors are printed to STDERR (if available, else ignored)
+When I<cb> is NULL errors are printed to STDERR (if available, else ignored)
any log messages are ignored.
Alternatively, L<OSSL_CMP_log_open(3)> may be used to direct logging to STDOUT.
OSSL_CMP_CTX_set_log_verbosity() is a macro setting the
OSSL_CMP_OPT_LOG_VERBOSITY context option to the given level.
-OSSL_CMP_CTX_print_errors() outputs any entries in the OpenSSL error queue.
-It is similar to B<ERR_print_errors_cb()> but uses the CMP log callback function
+OSSL_CMP_CTX_print_errors() outputs any entries in the OpenSSL error queue. It
+is similar to L<ERR_print_errors_cb(3)> but uses the CMP log callback function
if set in the C<ctx> for uniformity with CMP logging if given. Otherwise it uses
-B<ERR_print_errors(3)> to print to STDERR (unless OPENSSL_NO_STDIO is defined).
+L<ERR_print_errors(3)> to print to STDERR (unless OPENSSL_NO_STDIO is defined).
OSSL_CMP_CTX_set1_serverPath() sets the HTTP path of the CMP server on the host,
also known as "CMP alias".
-The default is I</>.
+The default is C</>.
-OSSL_CMP_CTX_set1_server() sets the given server
B<address>
-(which may be a hostname or IP address or NULL) in the given B<ctx>.
+OSSL_CMP_CTX_set1_server() sets the given server
I<address>
+(which may be a hostname or IP address or NULL) in the given I<ctx>.
OSSL_CMP_CTX_set_serverPort() sets the port of the CMP server to connect to.
-If not used or the
B<port> argument is 0
+If not used or the
I<port> argument is 0
the default port applies, which is 80 for HTTP and 443 for HTTPS.
OSSL_CMP_CTX_set1_proxy() sets the HTTP proxy to be used for connecting to
the given CMP server unless overruled by any "no_proxy" settings (see below).
If TLS is not used this defaults to the value of
-the environment variable B<http_proxy> if set, else B<HTTP_PROXY>.
-Otherwise defaults to the value of B<https_proxy> if set, else B<HTTPS_PROXY>.
+the environment variable C<http_proxy> if set, else C<HTTP_PROXY>.
+Otherwise defaults to the value of C<https_proxy> if set, else C<HTTPS_PROXY>.
An empty proxy string specifies not to use a proxy.
-Else the format is I<[http[s]://]address[:port][/path]>,
+Else the format is C<[http[s]://]address[:port][/path]>,
where any path given is ignored.
-The default port number is 80, or 443 in case I<https:> is given.
+The default port number is 80, or 443 in case C<https:> is given.
OSSL_CMP_CTX_set1_no_proxy() sets the list of server hostnames not to use
an HTTP proxy for. The names may be separated by commas and/or whitespace.
-Defaults to the environment variable B<no_proxy> if set, else B<NO_PROXY>.
+Defaults to the environment variable C<no_proxy> if set, else C<NO_PROXY>.
OSSL_CMP_CTX_set_http_cb() sets the optional BIO connect/disconnect callback
function, which has the prototype
typedef BIO *(*HTTP_bio_cb_t) (BIO *bio, void *ctx, int connect, int detail);
-The callback may modify the BIO B<bio> provided by OSSL_CMP_MSG_http_perform(),
-whereby it may make use of a custom defined argument B<ctx>
+The callback may modify the I<bio> provided by L<OSSL_CMP_MSG_http_perform(3)>,
+whereby it may make use of a custom defined argument I<ctx>
stored in the OSSL_CMP_CTX by means of OSSL_CMP_CTX_set_http_cb_arg().
During connection establishment, just after calling BIO_do_connect_retry(),
-the function is invoked with the B<connect> argument being 1 and the B<detail>
+the function is invoked with the I<connect> argument being 1 and the I<detail>
argument being 1 if HTTPS is requested, i.e., SSL/TLS should be enabled. On
-disconnect B<connect> is 0 and B<detail> is 1 in case no error occurred, else 0.
+disconnect I<connect> is 0 and I<detail> is 1 in case no error occurred, else 0.
For instance, on connect the function may prepend a TLS BIO to implement HTTPS;
after disconnect it may do some diagnostic output and/or specific cleanup.
The function should return NULL to indicate failure.
OSSL_CMP_CTX_set_http_cb_arg() sets an argument, respectively a pointer to
a structure containing arguments,
optionally to be used by the http connect/disconnect callback function.
-
B<arg> is not consumed, and it must therefore explicitly be freed when not
-needed any more.
B<arg> may be NULL to clear the entry.
+
I<arg> is not consumed, and it must therefore explicitly be freed when not
+needed any more.
I<arg> may be NULL to clear the entry.
OSSL_CMP_CTX_get_http_cb_arg() gets the argument, respectively the pointer to a
structure containing arguments, previously set by
Returns 1 on success, 0 on error.
Default is NULL, which implies the use of L<OSSL_CMP_MSG_http_perform(3)>.
-The callback should send the CMP request message it obtains via the B<req>
+The callback should send the CMP request message it obtains via the I<req>
parameter and on success return the response, else it must return NULL.
The transfer callback may make use of a custom defined argument stored in
the ctx by means of OSSL_CMP_CTX_set_transfer_cb_arg(), which may be retrieved
OSSL_CMP_CTX_set_transfer_cb_arg() sets an argument, respectively a pointer to a
structure containing arguments, optionally to be used by the transfer callback.
-
B<arg> is not consumed, and it must therefore explicitly be freed when not
-needed any more.
B<arg> may be NULL to clear the entry.
+
I<arg> is not consumed, and it must therefore explicitly be freed when not
+needed any more.
I<arg> may be NULL to clear the entry.
OSSL_CMP_CTX_get_transfer_cb_arg() gets the argument, respectively the pointer
to a structure containing arguments, previously set by
OSSL_CMP_CTX_set_transfer_cb_arg() or NULL if unset.
-OSSL_CMP_CTX_set1_srvCert() sets the expected server cert B<srvCert> and trusts
+OSSL_CMP_CTX_set1_srvCert() sets the expected server cert in I<ctx> and trusts
it directly (even if it is expired) when verifying signed response messages.
May be used alternatively to OSSL_CMP_CTX_set0_trustedStore()
to pin the accepted server.
Any previously set value is freed.
-The B<cert> argument may be NULL to clear the entry.
+The I<cert> argument may be NULL to clear the entry.
If set, the subject of the certificate is also used
as default value for the recipient of CMP requests
and as default value for the expected sender of CMP responses.
OSSL_CMP_CTX_set1_expected_sender() sets the Distinguished Name (DN)
expected in the sender field of CMP response messages.
-Defaults to the subject of the pinned server certificate B<-srvcert>, if any.
+Defaults to the subject of the pinned server certificate, if any.
This can be used to make sure that only a particular entity is accepted as
CMP message signer, and attackers are not able to use arbitrary certificates
of a trusted PKI hierarchy to fraudulently pose as CMP server.
OSSL_CMP_CTX_get0_untrusted(OSSL_CMP_CTX *ctx) returns a pointer to the
list of untrusted certs, which may be empty if unset.
-OSSL_CMP_CTX_set1_cert() sets the certificate used for CMP message protection.
-The public key of this B<cert> must correspond to
-the private key set before or thereafter via B<OSSL_CMP_CTX_set1_pkey()>.
+OSSL_CMP_CTX_set1_cert() sets the certificate related to the private key
+used for CMP message protection.
+Therefore the public key of this I<cert> must correspond to
+the private key set before or thereafter via OSSL_CMP_CTX_set1_pkey().
When using signature-based protection of CMP request messages
-this "protection certificate" will be included first in the extraCerts field.
-The subject of this B<cert> will be used as the sender field of outgoing
-messages, while the subject of any cert set via B<OSSL_CMP_CTX_set1_oldCert()>
-and any value set via B<OSSL_CMP_CTX_set1_subjectName()> are used as fallback.
-The B<cert> argument may be NULL to clear the entry.
+this CMP signer certificate will be included first in the extraCerts field.
+It serves as fallback reference certificate, see OSSL_CMP_CTX_set1_oldCert().
+The subject of this I<cert> will be used as the sender field of outgoing
+messages, while the subject of any cert set via OSSL_CMP_CTX_set1_oldCert()
+and any value set via OSSL_CMP_CTX_set1_subjectName() are used as fallback.
+
+The I<cert> argument may be NULL to clear the entry.
OSSL_CMP_CTX_build_cert_chain() builds a certificate chain for the CMP signer
-certificate previously set in the B<ctx>. It adds the optional B<candidates>,
+certificate previously set in the I<ctx>. It adds the optional I<candidates>,
a list of intermediate CA certs that may already constitute the targeted chain,
-to the untrusted certs that may already exist in the B<ctx>.
+to the untrusted certs that may already exist in the I<ctx>.
Then the function uses this augumented set of certs for chain construction.
If I<own_trusted> is NULL it builds the chain as far down as possible and
ignores any verification errors. Else the CMP signer certificate must be
verifiable where the chain reaches a trust anchor contained in I<own_trusted>.
-On success the function stores the resulting chain in B<ctx>
+On success the function stores the resulting chain in I<ctx>
for inclusion in the extraCerts field of signature-protected messages.
Calling this function is optional; by default a chain construction
is performed on demand that is equivalent to calling this function
-with the B<candidates> and I<own_trusted> arguments being NULL.
+with the I<candidates> and I<own_trusted> arguments being NULL.
OSSL_CMP_CTX_set1_pkey() sets the private key corresponding to the
-protection certificate B<cert> set via B<OSSL_CMP_CTX_set1_cert()>.
+CMP signer certificate set via OSSL_CMP_CTX_set1_cert().
This key is used create signature-based protection (protectionAlg = MSG_SIG_ALG)
of outgoing messages
-unless a PBM secret has been set via B<OSSL_CMP_CTX_set1_secretValue()>.
-The
B<pkey> argument may be NULL to clear the entry.
+unless a PBM secret has been set via OSSL_CMP_CTX_set1_secretValue().
+The
I<pkey> argument may be NULL to clear the entry.
-OSSL_CMP_CTX_set1_secretValue() sets the byte string B<sec> with length B<len>
-as PBM secret in the given B<ctx> or clears it if the B<sec> argument is NULL.
+OSSL_CMP_CTX_set1_secretValue() sets the byte string I<sec> with length I<len>
+as PBM secret in the given I<ctx> or clears it if the I<sec> argument is NULL.
If present, this secret is used to create PBM-based protection of outgoing
messages and to verify any PBM-based protection of incoming messages
(protectionAlg = MSG_MAC_ALG). PBM stands for Password-Based MAC.
PBM-based protection takes precedence over signature-based protection.
-OSSL_CMP_CTX_set1_referenceValue() sets the given referenceValue B<ref> with
-length B<len> in the given B<ctx> or clears it if the B<ref> argument is NULL.
+OSSL_CMP_CTX_set1_referenceValue() sets the given referenceValue I<ref> with
+length I<len> in the given I<ctx> or clears it if the I<ref> argument is NULL.
According to RFC 4210 section 5.1.1, if no value for the sender field in
-CMP message headers can be determined (i.e., no protection certificate B<cert>
-and no B<subjectName> is given) then the sender field will contain the NULL-DN
+CMP message headers can be determined (i.e., no CMP signer certificate
+and no subject DN is set via OSSL_CMP_CTX_set1_subjectName()
+then the sender field will contain the NULL-DN
and the senderKID field of the CMP message header must be set.
When signature-based protection is used the senderKID will be set to
-the subjectKeyIdentifier of the protection B<cert> as far as present.
+the subjectKeyIdentifier of the CMP signer certificate as far as present.
If not present or when PBM-based protection is used
-the B<ref> value is taken as the fallback value for the senderKID.
+the I<ref> value is taken as the fallback value for the senderKID.
OSSL_CMP_CTX_set1_recipient() sets the recipient name that will be used in the
PKIHeader of CMP request messages, i.e. the X509 name of the (CA) server.
the subject of the CMP server certificate set using OSSL_CMP_CTX_set1_srvCert(),
the value set using OSSL_CMP_CTX_set1_issuer(),
the issuer of the certificate set using OSSL_CMP_CTX_set1_oldCert(),
-the issuer of the protection certificate (B<cert>),
+the issuer of the CMP signer certificate,
as far as any of those is present, else the NULL-DN as last resort.
-OSSL_CMP_CTX_push0_geninfo_ITAV() adds B<itav> to the stack in the B<ctx> to be
+OSSL_CMP_CTX_push0_geninfo_ITAV() adds I<itav> to the stack in the I<ctx> to be
added to the GeneralInfo field of the CMP PKIMessage header of a request
message sent with this context.
OSSL_CMP_CTX_set0_newPkey() can be used to explicitly set the given EVP_PKEY
structure as the private or public key to be certified in the CMP context.
-The
B<priv> parameter must be 0 if and only if the given key is a public key.
+The
I<priv> parameter must be 0 if and only if the given key is a public key.
OSSL_CMP_CTX_get0_newPkey() gives the key to use for certificate enrollment
dependent on fields of the CMP context structure:
the newPkey (which may be a private or public key) if present,
else the public key in the p10CSR if present, else the client private key.
-If the
B<priv> parameter is not 0 and the selected key does not have a
+If the
I<priv> parameter is not 0 and the selected key does not have a
private component then NULL is returned.
OSSL_CMP_CTX_set1_issuer() sets the name of the intended issuer that
OSSL_CMP_CTX_set1_subjectName() sets the subject DN that will be used in
the CertTemplate structure when requesting a new cert. For Key Update Requests
-(KUR), it defaults to the subject DN of the B<reference certificate>,
-see B<OSSL_CMP_CTX_set1_oldCert()>. This default is used for Initialization
+(KUR), it defaults to the subject DN of the reference certificate,
+see OSSL_CMP_CTX_set1_oldCert(). This default is used for Initialization
Requests (IR) and Certification Requests (CR) only if no SANs are set.
-The B<subjectName> is also used as fallback for the sender field
-of outgoing CMP messages if no B<cert> and no B<oldcert> are available.
+The I<subjectName> is also used as fallback for the sender field
+of outgoing CMP messages if no reference certificate is available.
OSSL_CMP_CTX_push1_subjectAltName() adds the given X509 name to the list of
alternate names on the certificate template request. This cannot be used if
any Subject Alternative Name extension is set via
OSSL_CMP_CTX_set0_reqExtensions().
By default, unless OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT has been set,
-the Subject Alternative Names are copied from the B<reference certificate>,
-see B<OSSL_CMP_CTX_set1_oldCert()>.
-If set and the subject DN is not set with OSSL_CMP_CTX_set1_subjectName(), then
+the Subject Alternative Names are copied from the reference certificate,
+see OSSL_CMP_CTX_set1_oldCert().
+If set and the subject DN is not set with OSSL_CMP_CTX_set1_subjectName() then
the certificate template of an IR and CR will not be filled with the default
-subject DN from the B<reference certificate>.
+subject DN from the reference certificate.
If a subject DN is desired it needs to be set explicitly with
OSSL_CMP_CTX_set1_subjectName().
OSSL_CMP_CTX_set1_oldCert() sets the old certificate to be updated in
Key Update Requests (KUR) or to be revoked in Revocation Requests (RR).
-It must be given for RR, else it defaults to the protection B<cert>.
-The B<reference certificate> determined in this way, if any, is also used for
-deriving default subject DN and Subject Alternative Names for IR, CR, and KUR.
-Its subject is used as sender in CMP message headers if no protection cert is given.
+It must be given for RR, else it defaults to the CMP signer certificate.
+The reference certificate determined in this way, if any, is also used for
+deriving default subject DN and Subject Alternative Names and the
+default issuer entry in the requested certificate template of IR/CR/KUR.
+The subject of the reference certificate is used as the sender field value
+in CMP message headers.
Its issuer is used as default recipient in CMP message headers.
OSSL_CMP_CTX_set1_p10CSR() sets the PKCS#10 CSR to be used in P10CR.
-OSSL_CMP_CTX_push0_genm_ITAV() adds B<itav> to the stack in the B<ctx> which
+OSSL_CMP_CTX_push0_genm_ITAV() adds I<itav> to the stack in the I<ctx> which
will be the body of a General Message sent with this context.
OSSL_CMP_certConf_cb() is the default certificate confirmation callback function.
If the callback argument is not NULL it must point to a trust store.
In this case the function checks that the newly enrolled certificate can be
-verified using this trust store and untrusted certificates from the B<ctx>,
+verified using this trust store and untrusted certificates from the I<ctx>,
which have been augmented by the list of extraCerts received.
If the callback argument is NULL the function tries building an approximate
-chain as far as possible using the same untrusted certificates from the B<ctx>,
+chain as far as possible using the same untrusted certificates from the I<ctx>,
and if this fails it takes the received extraCerts as fallback.
The resulting cert chain can be retrieved using OSSL_CMP_CTX_get1_newChain().
typedef int (*OSSL_CMP_certConf_cb_t) (OSSL_CMP_CTX *ctx, X509 *cert,
int fail_info, const char **txt);
-and should inspect the certificate it obtains via the B<cert> parameter and may
-overrule the pre-decision given in the B<fail_info> and B<*txt> parameters.
+and should inspect the certificate it obtains via the I<cert> parameter and may
+overrule the pre-decision given in the I<fail_info> and I<*txt> parameters.
If it accepts the certificate it must return 0, indicating success. Else it must
return a bit field reflecting PKIFailureInfo with at least one failure bit and
-may set the B<*txt> output parameter to point to a string constant with more
+may set the I<*txt> output parameter to point to a string constant with more
detail. The transfer callback may make use of a custom defined argument stored
-in the B<ctx> by means of OSSL_CMP_CTX_set_certConf_cb_arg(), which may be
+in the I<ctx> by means of OSSL_CMP_CTX_set_certConf_cb_arg(), which may be
retrieved again through OSSL_CMP_CTX_get_certConf_cb_arg().
Typically, the callback will check at least that the certificate can be verified
using a set of trusted certificates.
OSSL_CMP_CTX_set_certConf_cb_arg() sets an argument, respectively a pointer to a
structure containing arguments, optionally to be used by the certConf callback.
-
B<arg> is not consumed, and it must therefore explicitly be freed when not
-needed any more.
B<arg> may be NULL to clear the entry.
+
I<arg> is not consumed, and it must therefore explicitly be freed when not
+needed any more.
I<arg> may be NULL to clear the entry.
OSSL_CMP_CTX_get_certConf_cb_arg() gets the argument, respectively the pointer
to a structure containing arguments, previously set by
X.509 certificates computed by OSSL_CMP_certConf_cb() (if this function has
been called) on the last received certificate response message IP/CP/KUP.
-OSSL_CMP_CTX_get1_caPubs() returns a pointer to a duplicate of the stack of
-X.509 certificates received in the caPubs field of last received certificate
-response message IP/CP/KUP.
+OSSL_CMP_CTX_get1_caPubs() returns a pointer to a duplicate of the list of
+X.509 certificates in the caPubs field of the last received certificate
+response message (of type IP, CP, or KUP),
+or an empty stack if no caPubs have been received in the current transaction.
-OSSL_CMP_CTX_get1_extraCertsIn() returns a pointer to a duplicate of the stack
-of X.509 certificates received in the last received nonempty extraCerts field.
-Returns an empty stack if no extraCerts have been received in the current
-transaction.
+OSSL_CMP_CTX_get1_extraCertsIn() returns a pointer to a duplicate of the list
+of X.509 certificates contained in the extraCerts field of the last received
+response message (except for pollRep and PKIConf), or
+an empty stack if no extraCerts have been received in the current transaction.
OSSL_CMP_CTX_set1_transactionID() sets the given transaction ID in the given
OSSL_CMP_CTX structure.
-OSSL_CMP_CTX_set1_senderNonce() stores the last sent sender B<nonce> in
-the B<ctx>. This will be used to validate the recipNonce in incoming messages.
+OSSL_CMP_CTX_set1_senderNonce() stores the last sent sender I<nonce> in
+the I<ctx>. This will be used to validate the recipNonce in incoming messages.
=head1 NOTES
OSSL_CMP_CTX_get_failInfoCode()
return the intended value as described above or -1 on error.
-OSSL_CMP_certConf_cb() returns B<fail_info> if it is not equal to B<0>,
-else B<0> on successful validation,
+OSSL_CMP_certConf_cb() returns I<fail_info> if it is not equal to 0,
+else 0 on successful validation,
or else a bit field with the B<OSSL_CMP_PKIFAILUREINFO_incorrectData> bit set.
All other functions return 1 on success, 0 on error.
L<OSSL_CMP_exec_IR_ses(3)>, L<OSSL_CMP_exec_CR_ses(3)>,
L<OSSL_CMP_exec_KUR_ses(3)>, L<OSSL_CMP_exec_GENM_ses(3)>,
-L<OSSL_CMP_exec_certreq(3)>
+L<OSSL_CMP_exec_certreq(3)>, L<OSSL_CMP_MSG_http_perform(3)>,
+L<ERR_print_errors_cb(3)>
=head1 HISTORY
projects / openssl.git / blobdiff