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Initialize the DST subsystem implicitly

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Instead of calling dst_lib_init() and dst_lib_destroy() explicitly by
all the programs, create a separate memory context for the DST subsystem
and use the library constructor and destructor to initialize the DST
internals.
This commit is contained in:
Ondřej Surý
2024-08-05 12:14:26 +02:00
parent ab2abfc8b0
commit e6f2f2a5e6
39 changed files with 101 additions and 492 deletions
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29
lib/dns/opensslrsa_link.c
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@@ -1233,10 +1233,6 @@ check_algorithm(unsigned char algorithm) {
isc_result_t ret = ISC_R_SUCCESS;
size_t len;
if (evp_md_ctx == NULL) {
DST_RET(ISC_R_NOMEMORY);
}
switch (algorithm) {
case DST_ALG_RSASHA1:
case DST_ALG_NSEC3RSASHA1:
@@ -1258,23 +1254,14 @@ check_algorithm(unsigned char algorithm) {
DST_RET(ISC_R_NOTIMPLEMENTED);
}
if (type == NULL) {
DST_RET(ISC_R_NOTIMPLEMENTED);
}
/*
* Construct pkey.
*/
c.e = BN_bin2bn(e_bytes, sizeof(e_bytes) - 1, NULL);
c.n = BN_bin2bn(n_bytes, sizeof(n_bytes) - 1, NULL);
if (c.e == NULL || c.n == NULL) {
DST_RET(ISC_R_NOMEMORY);
}
ret = opensslrsa_build_pkey(false, &c, &pkey);
if (ret != ISC_R_SUCCESS) {
goto err;
}
INSIST(ret == ISC_R_SUCCESS);
/*
* Check that we can verify the signature.
@@ -1294,21 +1281,13 @@ err:
return (ret);
}
isc_result_t
void
dst__opensslrsa_init(dst_func_t **funcp, unsigned char algorithm) {
isc_result_t result;
REQUIRE(funcp != NULL);
result = check_algorithm(algorithm);
if (result == ISC_R_SUCCESS) {
if (*funcp == NULL) {
if (*funcp == NULL) {
if (check_algorithm(algorithm) == ISC_R_SUCCESS) {
*funcp = &opensslrsa_functions;
}
} else if (result == ISC_R_NOTIMPLEMENTED) {
result = ISC_R_SUCCESS;
}
return (result);
}