diff options
Diffstat (limited to 'nss/lib/ssl/sslcert.c')
| -rw-r--r-- | nss/lib/ssl/sslcert.c | 785 |
1 files changed, 354 insertions, 431 deletions
diff --git a/nss/lib/ssl/sslcert.c b/nss/lib/ssl/sslcert.c index ea52455..388fc09 100644 --- a/nss/lib/ssl/sslcert.c +++ b/nss/lib/ssl/sslcert.c @@ -13,42 +13,91 @@ #include "nss.h" /* for NSS_RegisterShutdown */ #include "prinit.h" /* for PR_CallOnceWithArg */ -static const PRCallOnceType pristineCallOnce; -static PRCallOnceType setupServerCAListOnce; +/* This global item is used only in servers. It is is initialized by + * SSL_ConfigSecureServer(), and is used in ssl3_SendCertificateRequest(). + */ +static struct { + PRCallOnceType setup; + CERTDistNames *names; +} ssl_server_ca_list; static SECStatus -serverCAListShutdown(void *appData, void *nssData) +ssl_ServerCAListShutdown(void *appData, void *nssData) { - PORT_Assert(ssl3_server_ca_list); - if (ssl3_server_ca_list) { - CERT_FreeDistNames(ssl3_server_ca_list); - ssl3_server_ca_list = NULL; + PORT_Assert(ssl_server_ca_list.names); + if (ssl_server_ca_list.names) { + CERT_FreeDistNames(ssl_server_ca_list.names); } - setupServerCAListOnce = pristineCallOnce; + PORT_Memset(&ssl_server_ca_list, 0, sizeof(ssl_server_ca_list)); return SECSuccess; } static PRStatus -serverCAListSetup(void *arg) +ssl_SetupCAListOnce(void *arg) { CERTCertDBHandle *dbHandle = (CERTCertDBHandle *)arg; - SECStatus rv = NSS_RegisterShutdown(serverCAListShutdown, NULL); + SECStatus rv = NSS_RegisterShutdown(ssl_ServerCAListShutdown, NULL); PORT_Assert(SECSuccess == rv); if (SECSuccess == rv) { - ssl3_server_ca_list = CERT_GetSSLCACerts(dbHandle); + ssl_server_ca_list.names = CERT_GetSSLCACerts(dbHandle); return PR_SUCCESS; } return PR_FAILURE; } +SECStatus +ssl_SetupCAList(sslSocket *ss) +{ + if (PR_SUCCESS != PR_CallOnceWithArg(&ssl_server_ca_list.setup, + &ssl_SetupCAListOnce, + (void *)(ss->dbHandle))) { + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; + } + return SECSuccess; +} + +SECStatus +ssl_GetCertificateRequestCAs(sslSocket *ss, unsigned int *calen, + SECItem **names, unsigned int *nnames) +{ + SECItem *name; + CERTDistNames *ca_list; + unsigned int i; + + *calen = 0; + *names = NULL; + *nnames = 0; + + /* ssl3.ca_list is initialized to NULL, and never changed. */ + ca_list = ss->ssl3.ca_list; + if (!ca_list) { + if (ssl_SetupCAList(ss) != SECSuccess) { + return SECFailure; + } + ca_list = ssl_server_ca_list.names; + } + + if (ca_list != NULL) { + *names = ca_list->names; + *nnames = ca_list->nnames; + } + + for (i = 0, name = *names; i < *nnames; i++, name++) { + *calen += 2 + name->len; + } + return SECSuccess; +} + sslServerCert * -ssl_NewServerCert(const sslServerCertType *certType) +ssl_NewServerCert() { sslServerCert *sc = PORT_ZNew(sslServerCert); if (!sc) { return NULL; } - memcpy(&sc->certType, certType, sizeof(sc->certType)); + sc->authTypes = 0; + sc->namedCurve = NULL; sc->serverCert = NULL; sc->serverCertChain = NULL; sc->certStatusArray = NULL; @@ -61,11 +110,14 @@ ssl_CopyServerCert(const sslServerCert *oc) { sslServerCert *sc; - sc = ssl_NewServerCert(&oc->certType); + sc = ssl_NewServerCert(); if (!sc) { return NULL; } + sc->authTypes = oc->authTypes; + sc->namedCurve = oc->namedCurve; + if (oc->serverCert && oc->serverCertChain) { sc->serverCert = CERT_DupCertificate(oc->serverCert); if (!sc->serverCert) @@ -129,9 +181,9 @@ ssl_FreeServerCert(sslServerCert *sc) PORT_ZFree(sc, sizeof(*sc)); } -sslServerCert * -ssl_FindServerCert(const sslSocket *ss, - const sslServerCertType *certType) +const sslServerCert * +ssl_FindServerCert(const sslSocket *ss, SSLAuthType authType, + const sslNamedGroupDef *namedCurve) { PRCList *cursor; @@ -139,68 +191,21 @@ ssl_FindServerCert(const sslSocket *ss, cursor != &ss->serverCerts; cursor = PR_NEXT_LINK(cursor)) { sslServerCert *cert = (sslServerCert *)cursor; - if (cert->certType.authType != certType->authType) { + if (!SSL_CERT_IS(cert, authType)) { continue; } - switch (cert->certType.authType) { - case ssl_auth_ecdsa: - case ssl_auth_ecdh_rsa: - case ssl_auth_ecdh_ecdsa: - /* Note: For deprecated APIs, we need to be able to find and - match a slot with any named curve. */ - if (certType->namedCurve && - cert->certType.namedCurve != certType->namedCurve) { - continue; - } - break; - default: - break; + if (SSL_CERT_IS_EC(cert)) { + /* Note: For deprecated APIs, we need to be able to find and + match a slot with any named curve. */ + if (namedCurve && cert->namedCurve != namedCurve) { + continue; + } } return cert; } return NULL; } -sslServerCert * -ssl_FindServerCertByAuthType(const sslSocket *ss, SSLAuthType authType) -{ - sslServerCertType certType; - certType.authType = authType; - /* Setting the named curve to NULL ensures that all EC certificates - * are matched when searching for this slot. */ - certType.namedCurve = NULL; - return ssl_FindServerCert(ss, &certType); -} - -SECStatus -ssl_OneTimeCertSetup(sslSocket *ss, const sslServerCert *sc) -{ - if (PR_SUCCESS != PR_CallOnceWithArg(&setupServerCAListOnce, - &serverCAListSetup, - (void *)(ss->dbHandle))) { - return SECFailure; - } - return SECSuccess; -} - -/* Determine which slot a certificate fits into. SSLAuthType is known, but - * extra information needs to be worked out from the cert and key. */ -static void -ssl_PopulateCertType(sslServerCertType *certType, SSLAuthType authType, - CERTCertificate *cert, sslKeyPair *keyPair) -{ - certType->authType = authType; - switch (authType) { - case ssl_auth_ecdsa: - case ssl_auth_ecdh_rsa: - case ssl_auth_ecdh_ecdsa: - certType->namedCurve = ssl_ECPubKey2NamedGroup(keyPair->pubKey); - break; - default: - break; - } -} - static SECStatus ssl_PopulateServerCert(sslServerCert *sc, CERTCertificate *cert, const CERTCertificateList *certChain) @@ -232,21 +237,43 @@ ssl_PopulateServerCert(sslServerCert *sc, CERTCertificate *cert, static SECStatus ssl_PopulateKeyPair(sslServerCert *sc, sslKeyPair *keyPair) { - /* Copy over the key pair. */ if (sc->serverKeyPair) { ssl_FreeKeyPair(sc->serverKeyPair); + sc->serverKeyPair = NULL; } if (keyPair) { + KeyType keyType = SECKEY_GetPublicKeyType(keyPair->pubKey); + PORT_Assert(keyType == SECKEY_GetPrivateKeyType(keyPair->privKey)); + + if (keyType == ecKey) { + sc->namedCurve = ssl_ECPubKey2NamedGroup(keyPair->pubKey); + if (!sc->namedCurve) { + /* Unsupported curve. */ + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; + } + } + /* Get the size of the cert's public key, and remember it. */ sc->serverKeyBits = SECKEY_PublicKeyStrengthInBits(keyPair->pubKey); if (sc->serverKeyBits == 0) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); return SECFailure; } SECKEY_CacheStaticFlags(keyPair->privKey); sc->serverKeyPair = ssl_GetKeyPairRef(keyPair); + + if (SSL_CERT_IS(sc, ssl_auth_rsa_decrypt)) { + /* This will update the global session ticket key pair with this + * key, if a value hasn't been set already. */ + if (ssl_MaybeSetSessionTicketKeyPair(keyPair) != SECSuccess) { + return SECFailure; + } + } } else { sc->serverKeyPair = NULL; + sc->namedCurve = NULL; } return SECSuccess; } @@ -281,12 +308,39 @@ ssl_PopulateSignedCertTimestamps(sslServerCert *sc, return SECSuccess; } +/* Find any existing certificates that overlap with the new certificate and + * either remove any supported authentication types that overlap with the new + * certificate or - if they have no types left - remove them entirely. */ +static void +ssl_ClearMatchingCerts(sslSocket *ss, sslAuthTypeMask authTypes, + const sslNamedGroupDef *namedCurve) +{ + PRCList *cursor = PR_NEXT_LINK(&ss->serverCerts); + + while (cursor != &ss->serverCerts) { + sslServerCert *sc = (sslServerCert *)cursor; + cursor = PR_NEXT_LINK(cursor); + if ((sc->authTypes & authTypes) == 0) { + continue; + } + /* namedCurve will be NULL only for legacy functions. */ + if (namedCurve != NULL && sc->namedCurve != namedCurve) { + continue; + } + + sc->authTypes &= ~authTypes; + if (sc->authTypes == 0) { + PR_REMOVE_LINK(&sc->link); + ssl_FreeServerCert(sc); + } + } +} + static SECStatus -ssl_ConfigCert(sslSocket *ss, CERTCertificate *cert, - sslKeyPair *keyPair, const SSLExtraServerCertData *data) +ssl_ConfigCert(sslSocket *ss, sslAuthTypeMask authTypes, + CERTCertificate *cert, sslKeyPair *keyPair, + const SSLExtraServerCertData *data) { - sslServerCert *oldsc; - sslServerCertType certType; SECStatus rv; sslServerCert *sc = NULL; int error_code = SEC_ERROR_NO_MEMORY; @@ -294,34 +348,26 @@ ssl_ConfigCert(sslSocket *ss, CERTCertificate *cert, PORT_Assert(cert); PORT_Assert(keyPair); PORT_Assert(data); - PORT_Assert(data->authType != ssl_auth_null); + PORT_Assert(authTypes); - if (!cert || !keyPair || !data || data->authType == ssl_auth_null) { + if (!cert || !keyPair || !data || !authTypes) { error_code = SEC_ERROR_INVALID_ARGS; goto loser; } - ssl_PopulateCertType(&certType, data->authType, cert, keyPair); - - /* Delete any existing certificate that matches this one, since we can only - * use one certificate of a given type. */ - oldsc = ssl_FindServerCert(ss, &certType); - if (oldsc) { - PR_REMOVE_LINK(&oldsc->link); - ssl_FreeServerCert(oldsc); - } - sc = ssl_NewServerCert(&certType); + sc = ssl_NewServerCert(); if (!sc) { goto loser; } + sc->authTypes = authTypes; rv = ssl_PopulateServerCert(sc, cert, data->certChain); if (rv != SECSuccess) { goto loser; } rv = ssl_PopulateKeyPair(sc, keyPair); if (rv != SECSuccess) { - error_code = SEC_ERROR_INVALID_ARGS; + error_code = PORT_GetError(); goto loser; } rv = ssl_PopulateOCSPResponses(sc, data->stapledOCSPResponses); @@ -332,23 +378,12 @@ ssl_ConfigCert(sslSocket *ss, CERTCertificate *cert, if (rv != SECSuccess) { goto loser; } + ssl_ClearMatchingCerts(ss, sc->authTypes, sc->namedCurve); PR_APPEND_LINK(&sc->link, &ss->serverCerts); - - /* This one-time setup depends on having the certificate in place. */ - rv = ssl_OneTimeCertSetup(ss, sc); - if (rv != SECSuccess) { - PR_REMOVE_LINK(&sc->link); - error_code = PORT_GetError(); - goto loser; - } return SECSuccess; loser: - if (sc) { - ssl_FreeServerCert(sc); - } - /* This is the only way any of the calls above can fail, except the one time - * setup, which doesn't land here. */ + ssl_FreeServerCert(sc); PORT_SetError(error_code); return SECFailure; } @@ -382,114 +417,55 @@ ssl_GetEcdhAuthType(CERTCertificate *cert) } } -/* This function examines the key usages of the given RSA-PKCS1 certificate - * and configures one or multiple server certificates based on that data. - * - * If the data argument contains an authType value other than ssl_auth_null, - * then only that slot will be used. If that choice is invalid, - * then this will fail. */ -static SECStatus -ssl_ConfigRsaPkcs1CertByUsage(sslSocket *ss, CERTCertificate *cert, - sslKeyPair *keyPair, - SSLExtraServerCertData *data) -{ - SECStatus rv = SECFailure; - - PRBool ku_sig = (PRBool)(cert->keyUsage & KU_DIGITAL_SIGNATURE); - PRBool ku_enc = (PRBool)(cert->keyUsage & KU_KEY_ENCIPHERMENT); - - if ((data->authType == ssl_auth_rsa_sign && ku_sig) || - (data->authType == ssl_auth_rsa_pss && ku_sig) || - (data->authType == ssl_auth_rsa_decrypt && ku_enc)) { - return ssl_ConfigCert(ss, cert, keyPair, data); - } - - if (data->authType != ssl_auth_null || !(ku_sig || ku_enc)) { - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return SECFailure; - } - - if (ku_sig) { - data->authType = ssl_auth_rsa_sign; - rv = ssl_ConfigCert(ss, cert, keyPair, data); - if (rv != SECSuccess) { - return rv; - } - - /* This certificate is RSA, assume that it's also PSS. */ - data->authType = ssl_auth_rsa_pss; - rv = ssl_ConfigCert(ss, cert, keyPair, data); - if (rv != SECSuccess) { - return rv; - } - } - - if (ku_enc) { - /* If ku_sig=true we configure signature and encryption slots with the - * same cert. This is bad form, but there are enough dual-usage RSA - * certs that we can't really break by limiting this to one type. */ - data->authType = ssl_auth_rsa_decrypt; - rv = ssl_ConfigCert(ss, cert, keyPair, data); - if (rv != SECSuccess) { - return rv; - } - } - - return rv; -} - /* This function examines the type of certificate and its key usage and - * configures a certificate based on that information. For some certificates - * this can mean that multiple server certificates are configured. + * chooses which authTypes apply. For some certificates + * this can mean that multiple authTypes. * - * If the data argument contains an authType value other than ssl_auth_null, - * then only that slot will be used. If that choice is invalid, - * then this will fail. */ -static SECStatus -ssl_ConfigCertByUsage(sslSocket *ss, CERTCertificate *cert, - sslKeyPair *keyPair, const SSLExtraServerCertData *data) + * If the targetAuthType is not ssl_auth_null, then only that type will be used. + * If that choice is invalid, then this function will fail. */ +static sslAuthTypeMask +ssl_GetCertificateAuthTypes(CERTCertificate *cert, SSLAuthType targetAuthType) { - SECStatus rv = SECFailure; - SSLExtraServerCertData arg; + sslAuthTypeMask authTypes = 0; SECOidTag tag; - PORT_Assert(data); - /* Take a (shallow) copy so that we can play with it */ - memcpy(&arg, data, sizeof(arg)); - tag = SECOID_GetAlgorithmTag(&cert->subjectPublicKeyInfo.algorithm); switch (tag) { case SEC_OID_X500_RSA_ENCRYPTION: case SEC_OID_PKCS1_RSA_ENCRYPTION: - return ssl_ConfigRsaPkcs1CertByUsage(ss, cert, keyPair, &arg); + if (cert->keyUsage & KU_DIGITAL_SIGNATURE) { + authTypes |= 1 << ssl_auth_rsa_sign; + /* This certificate is RSA, assume that it's also PSS. */ + authTypes |= 1 << ssl_auth_rsa_pss; + } + + if (cert->keyUsage & KU_KEY_ENCIPHERMENT) { + /* If ku_sig=true we configure signature and encryption slots with the + * same cert. This is bad form, but there are enough dual-usage RSA + * certs that we can't really break by limiting this to one type. */ + authTypes |= 1 << ssl_auth_rsa_decrypt; + } + break; case SEC_OID_PKCS1_RSA_PSS_SIGNATURE: if (cert->keyUsage & KU_DIGITAL_SIGNATURE) { - arg.authType = ssl_auth_rsa_pss; + authTypes |= 1 << ssl_auth_rsa_pss; } break; case SEC_OID_ANSIX9_DSA_SIGNATURE: if (cert->keyUsage & KU_DIGITAL_SIGNATURE) { - arg.authType = ssl_auth_dsa; + authTypes |= 1 << ssl_auth_dsa; } break; case SEC_OID_ANSIX962_EC_PUBLIC_KEY: + if (cert->keyUsage & KU_DIGITAL_SIGNATURE) { + authTypes |= 1 << ssl_auth_ecdsa; + } + /* Again, bad form to have dual usage and we don't prevent it. */ if (cert->keyUsage & KU_KEY_ENCIPHERMENT) { - if ((cert->keyUsage & KU_DIGITAL_SIGNATURE) && - arg.authType == ssl_auth_null) { - /* See above regarding bad practice. */ - arg.authType = ssl_auth_ecdsa; - rv = ssl_ConfigCert(ss, cert, keyPair, &arg); - if (rv != SECSuccess) { - return rv; - } - } - - arg.authType = ssl_GetEcdhAuthType(cert); - } else if (cert->keyUsage & KU_DIGITAL_SIGNATURE) { - arg.authType = ssl_auth_ecdsa; + authTypes |= 1 << ssl_GetEcdhAuthType(cert); } break; @@ -498,27 +474,33 @@ ssl_ConfigCertByUsage(sslSocket *ss, CERTCertificate *cert, } /* Check that we successfully picked an authType */ - if (arg.authType == ssl_auth_null) { - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return SECFailure; - } - /* |data->authType| has to either agree or be ssl_auth_null. */ - if (data && data->authType != ssl_auth_null && - data->authType != arg.authType) { - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return SECFailure; + if (targetAuthType != ssl_auth_null) { + authTypes &= 1 << targetAuthType; } - return ssl_ConfigCert(ss, cert, keyPair, &arg); + return authTypes; } /* This function adopts pubKey and destroys it if things go wrong. */ static sslKeyPair * -ssl_MakeKeyPairForCert(SECKEYPrivateKey *key, SECKEYPublicKey *pubKey) +ssl_MakeKeyPairForCert(SECKEYPrivateKey *key, CERTCertificate *cert) { sslKeyPair *keyPair = NULL; + SECKEYPublicKey *pubKey = NULL; SECKEYPrivateKey *privKeyCopy = NULL; PK11SlotInfo *bestSlot; + pubKey = CERT_ExtractPublicKey(cert); + if (!pubKey) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + return NULL; + } + + if (SECKEY_GetPublicKeyType(pubKey) != SECKEY_GetPrivateKeyType(key)) { + SECKEY_DestroyPublicKey(pubKey); + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return NULL; + } + if (key->pkcs11Slot) { bestSlot = PK11_ReferenceSlot(key->pkcs11Slot); if (bestSlot) { @@ -545,20 +527,18 @@ ssl_MakeKeyPairForCert(SECKEYPrivateKey *key, SECKEYPublicKey *pubKey) if (privKeyCopy) { SECKEY_DestroyPrivateKey(privKeyCopy); } - /* We adopted the public key, so we're responsible. */ - if (pubKey) { - SECKEY_DestroyPublicKey(pubKey); - } + SECKEY_DestroyPublicKey(pubKey); + PORT_SetError(SEC_ERROR_NO_MEMORY); } return keyPair; } /* Configure a certificate and private key. * - * This function examines the certificate and key to determine which slot (or - * slots) to place the information in. As long as certificates are different - * (based on having different values of sslServerCertType), then this function - * can be called multiple times and the certificates will all be remembered. + * This function examines the certificate and key to determine the type (or + * types) of authentication the certificate supports. As long as certificates + * are different (different authTypes and maybe keys in different ec groups), + * then this function can be called multiple times. */ SECStatus SSL_ConfigServerCert(PRFileDesc *fd, CERTCertificate *cert, @@ -566,12 +546,12 @@ SSL_ConfigServerCert(PRFileDesc *fd, CERTCertificate *cert, const SSLExtraServerCertData *data, unsigned int data_len) { sslSocket *ss; - SECKEYPublicKey *pubKey; sslKeyPair *keyPair; SECStatus rv; SSLExtraServerCertData dataCopy = { ssl_auth_null, NULL, NULL, NULL }; + sslAuthTypeMask authTypes; ss = ssl_FindSocket(fd); if (!ss) { @@ -591,21 +571,23 @@ SSL_ConfigServerCert(PRFileDesc *fd, CERTCertificate *cert, PORT_Memcpy(&dataCopy, data, data_len); } - pubKey = CERT_ExtractPublicKey(cert); - if (!pubKey) { + authTypes = ssl_GetCertificateAuthTypes(cert, dataCopy.authType); + if (!authTypes) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); return SECFailure; } - keyPair = ssl_MakeKeyPairForCert(key, pubKey); + keyPair = ssl_MakeKeyPairForCert(key, cert); if (!keyPair) { - /* pubKey is adopted by ssl_MakeKeyPairForCert() */ - PORT_SetError(SEC_ERROR_NO_MEMORY); return SECFailure; } - rv = ssl_ConfigCertByUsage(ss, cert, keyPair, &dataCopy); + rv = ssl_ConfigCert(ss, authTypes, cert, keyPair, &dataCopy); ssl_FreeKeyPair(keyPair); - return rv; + if (rv != SECSuccess) { + return SECFailure; + } + return SECSuccess; } /*******************************************************************/ @@ -630,164 +612,148 @@ SSL_ConfigSecureServer(PRFileDesc *fd, CERTCertificate *cert, * ssl_ConfigCertByUsage(), only checking against the type of key and ignoring * things like usage. */ static PRBool -ssl_CertSuitableForAuthType(CERTCertificate *cert, SSLAuthType authType) +ssl_CertSuitableForAuthType(CERTCertificate *cert, sslAuthTypeMask authTypes) { SECOidTag tag = SECOID_GetAlgorithmTag(&cert->subjectPublicKeyInfo.algorithm); - switch (authType) { - case ssl_auth_rsa_decrypt: - case ssl_auth_rsa_sign: - return tag == SEC_OID_X500_RSA_ENCRYPTION || - tag == SEC_OID_PKCS1_RSA_ENCRYPTION; - case ssl_auth_dsa: - return tag == SEC_OID_ANSIX9_DSA_SIGNATURE; - case ssl_auth_ecdsa: - case ssl_auth_ecdh_rsa: - case ssl_auth_ecdh_ecdsa: - return tag == SEC_OID_ANSIX962_EC_PUBLIC_KEY; - case ssl_auth_null: - case ssl_auth_kea: - case ssl_auth_rsa_pss: /* not supported with deprecated APIs */ - return PR_FALSE; + sslAuthTypeMask mask = 0; + switch (tag) { + case SEC_OID_X500_RSA_ENCRYPTION: + case SEC_OID_PKCS1_RSA_ENCRYPTION: + mask |= 1 << ssl_auth_rsa_decrypt; + mask |= 1 << ssl_auth_rsa_sign; + break; + case SEC_OID_ANSIX9_DSA_SIGNATURE: + mask |= 1 << ssl_auth_dsa; + break; + case SEC_OID_ANSIX962_EC_PUBLIC_KEY: + mask |= 1 << ssl_auth_ecdsa; + mask |= 1 << ssl_auth_ecdh_rsa; + mask |= 1 << ssl_auth_ecdh_ecdsa; + break; default: - PORT_Assert(0); - return PR_FALSE; + break; + } + PORT_Assert(authTypes); + /* Simply test that no inappropriate auth types are set. */ + return (authTypes & ~mask) == 0; +} + +/* Lookup a cert for the legacy configuration functions. An exact match on + * authTypes and ignoring namedCurve will ensure that values configured using + * legacy functions are overwritten by other legacy functions. */ +static sslServerCert * +ssl_FindCertWithMask(sslSocket *ss, sslAuthTypeMask authTypes) +{ + PRCList *cursor; + + for (cursor = PR_NEXT_LINK(&ss->serverCerts); + cursor != &ss->serverCerts; + cursor = PR_NEXT_LINK(cursor)) { + sslServerCert *cert = (sslServerCert *)cursor; + if (cert->authTypes == authTypes) { + return cert; + } } + return NULL; } -/* This finds an existing server cert slot and unlinks it, or it makes a new +/* This finds an existing server cert in a matching slot that can be reused. + * Failing that, it removes any other certs that might conflict and makes a new * server cert slot of the right type. */ static sslServerCert * -ssl_FindOrMakeCertType(sslSocket *ss, SSLAuthType authType) +ssl_FindOrMakeCert(sslSocket *ss, sslAuthTypeMask authTypes) { sslServerCert *sc; - sslServerCertType certType; - certType.authType = authType; - /* Setting the named curve to NULL ensures that all EC certificates - * are matched when searching for this slot. */ - certType.namedCurve = NULL; - sc = ssl_FindServerCert(ss, &certType); + /* Reuse a perfect match. Note that there is a problem here with use of + * multiple EC certificates that have keys on different curves: these + * deprecated functions will match the first found and overwrite that + * certificate, potentially leaving the other values with a duplicate curve. + * Configuring multiple EC certificates are only possible with the new + * functions, so this is not something that is worth fixing. */ + sc = ssl_FindCertWithMask(ss, authTypes); if (sc) { PR_REMOVE_LINK(&sc->link); return sc; } - return ssl_NewServerCert(&certType); + /* Ignore the namedCurve parameter. Like above, this means that legacy + * functions will clobber values set with the new functions blindly. */ + ssl_ClearMatchingCerts(ss, authTypes, NULL); + + sc = ssl_NewServerCert(); + if (sc) { + sc->authTypes = authTypes; + } + return sc; } -static void -ssl_RemoveCertAndKeyByAuthType(sslSocket *ss, SSLAuthType authType) +static sslAuthTypeMask +ssl_KeaTypeToAuthTypeMask(SSLKEAType keaType) { - sslServerCert *sc; + switch (keaType) { + case ssl_kea_rsa: + return (1 << ssl_auth_rsa_decrypt) | + (1 << ssl_auth_rsa_sign); - sc = ssl_FindServerCertByAuthType(ss, authType); - if (sc) { - (void)ssl_PopulateServerCert(sc, NULL, NULL); - (void)ssl_PopulateKeyPair(sc, NULL); - /* Leave the entry linked here because the old API expects that. There - * might be OCSP stapling values or signed certificate timestamps still - * present that will subsequently be used. */ - /* For ECC certificates, also leave the namedCurve parameter on the slot - * unchanged; the value will be updated when a key is added. */ + case ssl_kea_dh: + return 1 << ssl_auth_dsa; + + case ssl_kea_ecdh: + return (1 << ssl_auth_ecdsa) | + (1 << ssl_auth_ecdh_rsa) | + (1 << ssl_auth_ecdh_ecdsa); + + default: + PORT_SetError(SEC_ERROR_INVALID_ARGS); } + return 0; } static SECStatus -ssl_AddCertAndKeyByAuthType(sslSocket *ss, SSLAuthType authType, - CERTCertificate *cert, - const CERTCertificateList *certChainOpt, - sslKeyPair *keyPair) +ssl_AddCertChain(sslSocket *ss, CERTCertificate *cert, + const CERTCertificateList *certChainOpt, + SECKEYPrivateKey *key, sslAuthTypeMask authTypes) { sslServerCert *sc; + sslKeyPair *keyPair; SECStatus rv; + PRErrorCode err = SEC_ERROR_NO_MEMORY; - if (!ssl_CertSuitableForAuthType(cert, authType)) { + if (!ssl_CertSuitableForAuthType(cert, authTypes)) { PORT_SetError(SEC_ERROR_INVALID_ARGS); return SECFailure; } - sc = ssl_FindOrMakeCertType(ss, authType); + sc = ssl_FindOrMakeCert(ss, authTypes); if (!sc) { - PORT_SetError(SEC_ERROR_NO_MEMORY); - return SECFailure; - } - rv = ssl_PopulateKeyPair(sc, keyPair); - if (rv != SECSuccess) { - PORT_SetError(SEC_ERROR_INVALID_ARGS); goto loser; } - /* Now that we have a key pair, update the details of the slot. Many of the - * legacy functions create a slot with a namedCurve of NULL, which - * makes the slot unusable; this corrects that. */ - ssl_PopulateCertType(&sc->certType, authType, cert, keyPair); + rv = ssl_PopulateServerCert(sc, cert, certChainOpt); if (rv != SECSuccess) { - PORT_SetError(SEC_ERROR_NO_MEMORY); goto loser; } - PR_APPEND_LINK(&sc->link, &ss->serverCerts); - return ssl_OneTimeCertSetup(ss, sc); -loser: - ssl_FreeServerCert(sc); - return SECFailure; -} - -static SECStatus -ssl_AddCertsByKEA(sslSocket *ss, CERTCertificate *cert, - const CERTCertificateList *certChainOpt, - SECKEYPrivateKey *key, SSLKEAType certType) -{ - SECKEYPublicKey *pubKey; - sslKeyPair *keyPair; - SECStatus rv; - pubKey = CERT_ExtractPublicKey(cert); - if (!pubKey) { - return SECFailure; - } - - keyPair = ssl_MakeKeyPairForCert(key, pubKey); + keyPair = ssl_MakeKeyPairForCert(key, cert); if (!keyPair) { - /* Note: pubKey is adopted or freed by ssl_MakeKeyPairForCert() - * depending on whether it succeeds or not. */ - PORT_SetError(SEC_ERROR_NO_MEMORY); - return SECFailure; + /* Error code is set by ssl_MakeKeyPairForCert */ + goto loser; } - - switch (certType) { - case ssl_kea_rsa: - rv = ssl_AddCertAndKeyByAuthType(ss, ssl_auth_rsa_decrypt, - cert, certChainOpt, keyPair); - if (rv != SECSuccess) { - return SECFailure; - } - rv = ssl_AddCertAndKeyByAuthType(ss, ssl_auth_rsa_sign, - cert, certChainOpt, keyPair); - break; - - case ssl_kea_dh: - rv = ssl_AddCertAndKeyByAuthType(ss, ssl_auth_dsa, - cert, certChainOpt, keyPair); - break; - - case ssl_kea_ecdh: - rv = ssl_AddCertAndKeyByAuthType(ss, ssl_auth_ecdsa, - cert, certChainOpt, keyPair); - if (rv != SECSuccess) { - return SECFailure; - } - rv = ssl_AddCertAndKeyByAuthType(ss, ssl_GetEcdhAuthType(cert), - cert, certChainOpt, keyPair); - break; - - default: - PORT_SetError(SEC_ERROR_INVALID_ARGS); - rv = SECFailure; - break; + rv = ssl_PopulateKeyPair(sc, keyPair); + ssl_FreeKeyPair(keyPair); + if (rv != SECSuccess) { + err = PORT_GetError(); + goto loser; } - ssl_FreeKeyPair(keyPair); - return rv; + PR_APPEND_LINK(&sc->link, &ss->serverCerts); + return SECSuccess; + +loser: + ssl_FreeServerCert(sc); + PORT_SetError(err); + return SECFailure; } /* Public deprecated function */ @@ -797,6 +763,7 @@ SSL_ConfigSecureServerWithCertChain(PRFileDesc *fd, CERTCertificate *cert, SECKEYPrivateKey *key, SSLKEAType certType) { sslSocket *ss; + sslAuthTypeMask authTypes; ss = ssl_FindSocket(fd); if (!ss) { @@ -808,52 +775,25 @@ SSL_ConfigSecureServerWithCertChain(PRFileDesc *fd, CERTCertificate *cert, return SECFailure; } + authTypes = ssl_KeaTypeToAuthTypeMask(certType); + if (!authTypes) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return SECFailure; + } + if (!cert) { - switch (certType) { - case ssl_kea_rsa: - ssl_RemoveCertAndKeyByAuthType(ss, ssl_auth_rsa_decrypt); - ssl_RemoveCertAndKeyByAuthType(ss, ssl_auth_rsa_sign); - break; - - case ssl_kea_dh: - ssl_RemoveCertAndKeyByAuthType(ss, ssl_auth_dsa); - break; - - case ssl_kea_ecdh: - ssl_RemoveCertAndKeyByAuthType(ss, ssl_auth_ecdsa); - ssl_RemoveCertAndKeyByAuthType(ss, ssl_auth_ecdh_rsa); - ssl_RemoveCertAndKeyByAuthType(ss, ssl_auth_ecdh_ecdsa); - break; - - default: - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return SECFailure; + sslServerCert *sc = ssl_FindCertWithMask(ss, authTypes); + if (sc) { + (void)ssl_PopulateServerCert(sc, NULL, NULL); + (void)ssl_PopulateKeyPair(sc, NULL); + /* Leave the entry linked here because the old API expects that. + * There might be OCSP stapling values or signed certificate + * timestamps still present that will subsequently be used. */ } return SECSuccess; } - return ssl_AddCertsByKEA(ss, cert, certChainOpt, key, certType); -} - -static SECStatus -ssl_SetOCSPResponsesInSlot(sslSocket *ss, SSLAuthType authType, - const SECItemArray *responses) -{ - sslServerCert *sc; - SECStatus rv; - - sc = ssl_FindOrMakeCertType(ss, authType); - if (!sc) { - PORT_SetError(SEC_ERROR_NO_MEMORY); - return SECFailure; - } - rv = ssl_PopulateOCSPResponses(sc, responses); - if (rv == SECSuccess) { - PR_APPEND_LINK(&sc->link, &ss->serverCerts); - } else { - ssl_FreeServerCert(sc); - } - return rv; + return ssl_AddCertChain(ss, cert, certChainOpt, key, authTypes); } /* Public deprecated function */ @@ -862,6 +802,8 @@ SSL_SetStapledOCSPResponses(PRFileDesc *fd, const SECItemArray *responses, SSLKEAType certType) { sslSocket *ss; + sslServerCert *sc; + sslAuthTypeMask authTypes; SECStatus rv; ss = ssl_FindSocket(fd); @@ -871,49 +813,28 @@ SSL_SetStapledOCSPResponses(PRFileDesc *fd, const SECItemArray *responses, return SECFailure; } - switch (certType) { - case ssl_kea_rsa: - rv = ssl_SetOCSPResponsesInSlot(ss, ssl_auth_rsa_decrypt, responses); - if (rv != SECSuccess) { - return SECFailure; - } - return ssl_SetOCSPResponsesInSlot(ss, ssl_auth_rsa_sign, responses); - - case ssl_kea_dh: - return ssl_SetOCSPResponsesInSlot(ss, ssl_auth_dsa, responses); - - case ssl_kea_ecdh: - rv = ssl_SetOCSPResponsesInSlot(ss, ssl_auth_ecdsa, responses); - if (rv != SECSuccess) { - return SECFailure; - } - rv = ssl_SetOCSPResponsesInSlot(ss, ssl_auth_ecdh_rsa, responses); - if (rv != SECSuccess) { - return SECFailure; - } - return ssl_SetOCSPResponsesInSlot(ss, ssl_auth_ecdh_ecdsa, responses); - - default: - SSL_DBG(("%d: SSL[%d]: invalid cert type in SSL_SetStapledOCSPResponses", - SSL_GETPID(), fd)); - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return SECFailure; + authTypes = ssl_KeaTypeToAuthTypeMask(certType); + if (!authTypes) { + SSL_DBG(("%d: SSL[%d]: invalid cert type in SSL_SetStapledOCSPResponses", + SSL_GETPID(), fd)); + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return SECFailure; } -} -static SECStatus -ssl_SetSignedTimestampsInSlot(sslSocket *ss, SSLAuthType authType, - const SECItem *scts) -{ - sslServerCert *sc; - SECStatus rv; + if (!responses) { + sc = ssl_FindCertWithMask(ss, authTypes); + if (sc) { + (void)ssl_PopulateOCSPResponses(sc, NULL); + } + return SECSuccess; + } - sc = ssl_FindOrMakeCertType(ss, authType); + sc = ssl_FindOrMakeCert(ss, authTypes); if (!sc) { - PORT_SetError(SEC_ERROR_NO_MEMORY); return SECFailure; } - rv = ssl_PopulateSignedCertTimestamps(sc, scts); + + rv = ssl_PopulateOCSPResponses(sc, responses); if (rv == SECSuccess) { PR_APPEND_LINK(&sc->link, &ss->serverCerts); } else { @@ -928,6 +849,8 @@ SSL_SetSignedCertTimestamps(PRFileDesc *fd, const SECItem *scts, SSLKEAType certType) { sslSocket *ss; + sslServerCert *sc; + sslAuthTypeMask authTypes; SECStatus rv; ss = ssl_FindSocket(fd); @@ -937,34 +860,34 @@ SSL_SetSignedCertTimestamps(PRFileDesc *fd, const SECItem *scts, return SECFailure; } - switch (certType) { - case ssl_kea_rsa: - rv = ssl_SetSignedTimestampsInSlot(ss, ssl_auth_rsa_decrypt, scts); - if (rv != SECSuccess) { - return SECFailure; - } - return ssl_SetSignedTimestampsInSlot(ss, ssl_auth_rsa_sign, scts); + authTypes = ssl_KeaTypeToAuthTypeMask(certType); + if (!authTypes) { + SSL_DBG(("%d: SSL[%d]: invalid cert type in SSL_SetSignedCertTimestamps", + SSL_GETPID(), fd)); + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return SECFailure; + } - case ssl_kea_dh: - return ssl_SetSignedTimestampsInSlot(ss, ssl_auth_dsa, scts); + if (!scts) { + sc = ssl_FindCertWithMask(ss, authTypes); + if (sc) { + (void)ssl_PopulateSignedCertTimestamps(sc, NULL); + } + return SECSuccess; + } - case ssl_kea_ecdh: - rv = ssl_SetSignedTimestampsInSlot(ss, ssl_auth_ecdsa, scts); - if (rv != SECSuccess) { - return SECFailure; - } - rv = ssl_SetSignedTimestampsInSlot(ss, ssl_auth_ecdh_rsa, scts); - if (rv != SECSuccess) { - return SECFailure; - } - return ssl_SetSignedTimestampsInSlot(ss, ssl_auth_ecdh_ecdsa, scts); + sc = ssl_FindOrMakeCert(ss, authTypes); + if (!sc) { + return SECFailure; + } - default: - SSL_DBG(("%d: SSL[%d]: invalid cert type in SSL_SetSignedCertTimestamps", - SSL_GETPID(), fd)); - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return SECFailure; + rv = ssl_PopulateSignedCertTimestamps(sc, scts); + if (rv == SECSuccess) { + PR_APPEND_LINK(&sc->link, &ss->serverCerts); + } else { + ssl_FreeServerCert(sc); } + return rv; } /* Public deprecated function. */ |