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Store object contents in network byte order, for database portability

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roeber%netscape.com 2000-05-15 20:59:11 +00:00
parent 84d6e244cd
commit 4b1bc871db
1 changed files with 123 additions and 5 deletions
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128
security/nss/lib/ckfw/dbm/db.c
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@ -32,7 +32,7 @@
*/
#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile: db.c,v $ $Revision: 1.1 $ $Date: 2000/05/15 20:39:55 $ $Name: $";
static const char CVS_ID[] = "@(#) $RCSfile: db.c,v $ $Revision: 1.2 $ $Date: 2000/05/15 20:59:11 $ $Name: $";
#endif /* DEBUG */
#include "ckdbm.h"
@ -319,6 +319,126 @@ nss_dbm_db_new_handle
return 0;
}
/*
* This attribute-type-dependent swapping should probably
* be in the Framework, because it'll be a concern of just
* about every Module. Of course any Framework implementation
* will have to be augmentable or overridable by a Module.
*/
enum swap_type { type_byte, type_short, type_long, type_opaque };
static enum swap_type
nss_dbm_db_swap_type
(
CK_ATTRIBUTE_TYPE type
)
{
switch( type ) {
case CKA_CLASS: return type_long;
case CKA_TOKEN: return type_byte;
case CKA_PRIVATE: return type_byte;
case CKA_LABEL: return type_opaque;
case CKA_APPLICATION: return type_opaque;
case CKA_VALUE: return type_opaque;
case CKA_CERTIFICATE_TYPE: return type_long;
case CKA_ISSUER: return type_opaque;
case CKA_SERIAL_NUMBER: return type_opaque;
case CKA_KEY_TYPE: return type_long;
case CKA_SUBJECT: return type_opaque;
case CKA_ID: return type_opaque;
case CKA_SENSITIVE: return type_byte;
case CKA_ENCRYPT: return type_byte;
case CKA_DECRYPT: return type_byte;
case CKA_WRAP: return type_byte;
case CKA_UNWRAP: return type_byte;
case CKA_SIGN: return type_byte;
case CKA_SIGN_RECOVER: return type_byte;
case CKA_VERIFY: return type_byte;
case CKA_VERIFY_RECOVER: return type_byte;
case CKA_DERIVE: return type_byte;
case CKA_START_DATE: return type_opaque;
case CKA_END_DATE: return type_opaque;
case CKA_MODULUS: return type_opaque;
case CKA_MODULUS_BITS: return type_long;
case CKA_PUBLIC_EXPONENT: return type_opaque;
case CKA_PRIVATE_EXPONENT: return type_opaque;
case CKA_PRIME_1: return type_opaque;
case CKA_PRIME_2: return type_opaque;
case CKA_EXPONENT_1: return type_opaque;
case CKA_EXPONENT_2: return type_opaque;
case CKA_COEFFICIENT: return type_opaque;
case CKA_PRIME: return type_opaque;
case CKA_SUBPRIME: return type_opaque;
case CKA_BASE: return type_opaque;
case CKA_VALUE_BITS: return type_long;
case CKA_VALUE_LEN: return type_long;
case CKA_EXTRACTABLE: return type_byte;
case CKA_LOCAL: return type_byte;
case CKA_NEVER_EXTRACTABLE: return type_byte;
case CKA_ALWAYS_SENSITIVE: return type_byte;
case CKA_MODIFIABLE: return type_byte;
case CKA_NETSCAPE_URL: return type_opaque;
case CKA_NETSCAPE_EMAIL: return type_opaque;
case CKA_NETSCAPE_SMIME_INFO: return type_opaque;
case CKA_NETSCAPE_SMIME_TIMESTAMP: return type_opaque;
case CKA_NETSCAPE_PKCS8_SALT: return type_opaque;
case CKA_NETSCAPE_PASSWORD_CHECK: return type_opaque;
case CKA_NETSCAPE_EXPIRES: return type_opaque;
case CKA_TRUST_DIGITAL_SIGNATURE: return type_long;
case CKA_TRUST_NON_REPUDIATION: return type_long;
case CKA_TRUST_KEY_ENCIPHERMENT: return type_long;
case CKA_TRUST_DATA_ENCIPHERMENT: return type_long;
case CKA_TRUST_KEY_AGREEMENT: return type_long;
case CKA_TRUST_KEY_CERT_SIGN: return type_long;
case CKA_TRUST_CRL_SIGN: return type_long;
case CKA_TRUST_SERVER_AUTH: return type_long;
case CKA_TRUST_CLIENT_AUTH: return type_long;
case CKA_TRUST_CODE_SIGNING: return type_long;
case CKA_TRUST_EMAIL_PROTECTION: return type_long;
case CKA_TRUST_IPSEC_END_SYSTEM: return type_long;
case CKA_TRUST_IPSEC_TUNNEL: return type_long;
case CKA_TRUST_IPSEC_USER: return type_long;
case CKA_TRUST_TIME_STAMPING: return type_long;
case CKA_NETSCAPE_DB: return type_opaque;
case CKA_NETSCAPE_TRUST: return type_opaque;
default: return type_opaque;
}
}
static void
nss_dbm_db_swap_copy
(
CK_ATTRIBUTE_TYPE type,
void *dest,
void *src,
CK_ULONG len
)
{
switch( nss_dbm_db_swap_type(type) ) {
case type_byte:
case type_opaque:
(void)memcpy(dest, src, len);
break;
case type_short:
{
CK_USHORT s, d;
(void)memcpy(&s, src, sizeof(CK_USHORT));
d = htons(s);
(void)memcpy(dest, &d, sizeof(CK_USHORT));
break;
}
case type_long:
{
CK_ULONG s, d;
(void)memcpy(&s, src, sizeof(CK_ULONG));
d = htonl(s);
(void)memcpy(dest, &d, sizeof(CK_ULONG));
break;
}
}
}
static CK_RV
nss_dbm_db_wrap_object
(
@ -355,8 +475,7 @@ nss_dbm_db_wrap_object
pulData[1 + i*3] = htonl(pTemplate[i].type);
pulData[2 + i*3] = htonl(len);
pulData[3 + i*3] = htonl(offset);
/* Replace this memcpy with one that properly swabs the data, switching on ATTR_TYPE */
(void)memcpy(&pcData[offset], pTemplate[i].pValue, len);
nss_dbm_db_swap_copy(pTemplate[i].type, &pcData[offset], pTemplate[i].pValue, len);
offset += len;
}
@ -401,8 +520,7 @@ nss_dbm_db_unwrap_object
return CKR_HOST_MEMORY;
}
/* Replace this memcpy with one that properly swabs the data, switching on ATTR_TYPE */
(void)memcpy(p, &pcData[offset], len);
nss_dbm_db_swap_copy(pTemplate[i].type, p, &pcData[offset], len);
pTemplate[i].ulValueLen = len;
pTemplate[i].pValue = p;
}