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Params: add argument to the _from_text calls to indicate if the param exists. 

The extra argument is a integer pointer and is optional.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11049)
This commit is contained in:
Pauli 2020-02-10 13:29:49 +10:00 committed by Richard Levitte
parent 7b5108dff4
commit 2ee0dfa684
9 changed files with 19 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
apps/lib/apps.c
View File

@ -2708,7 +2708,7 @@ OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
/* Skip over the separator so that vmtp points to the value */
vtmp++;
if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
stmp, vtmp, strlen(vtmp)))
stmp, vtmp, strlen(vtmp), NULL))
goto err;
OPENSSL_free(stmp);
}

2
crypto/evp/pkey_kdf.c
View File

@ -224,7 +224,7 @@ static int pkey_kdf_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
type = OSSL_KDF_PARAM_SCRYPT_N;
if (!OSSL_PARAM_allocate_from_text(&params[0], defs, type,
value, strlen(value)))
value, strlen(value), NULL))
return 0;
/*

2
crypto/evp/pkey_mac.c
View File

@ -453,7 +453,7 @@ static int pkey_mac_ctrl_str(EVP_PKEY_CTX *ctx,
if (!OSSL_PARAM_allocate_from_text(&params[0],
EVP_MAC_settable_ctx_params(mac),
type, value, strlen(value) + 1))
type, value, strlen(value) + 1, NULL))
return 0;
params[1] = OSSL_PARAM_construct_end();
ok = EVP_MAC_CTX_set_params(hctx->ctx, params);

2
crypto/evp/pmeth_lib.c
View File

@ -940,7 +940,7 @@ static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
int rv = 0;
if (!OSSL_PARAM_allocate_from_text(&params[0], settable, name, value,
strlen(value)))
strlen(value), NULL))
return 0;
if (EVP_PKEY_CTX_set_params(ctx, params))
rv = 1;

8
crypto/params_from_text.c
View File

@ -24,7 +24,7 @@ static int prepare_from_text(const OSSL_PARAM *paramdefs, const char *key,
const char *value, size_t value_n,
/* Output parameters */
const OSSL_PARAM **paramdef, int *ishex,
size_t *buf_n, BIGNUM **tmpbn)
size_t *buf_n, BIGNUM **tmpbn, int *found)
{
const OSSL_PARAM *p;
@ -38,6 +38,8 @@ static int prepare_from_text(const OSSL_PARAM *paramdefs, const char *key,
key += 3;
p = *paramdef = OSSL_PARAM_locate_const(paramdefs, key);
if (found != NULL)
*found = p != NULL;
if (p == NULL)
return 0;
@ -163,7 +165,7 @@ static int construct_from_text(OSSL_PARAM *to, const OSSL_PARAM *paramdef,
int OSSL_PARAM_allocate_from_text(OSSL_PARAM *to,
const OSSL_PARAM *paramdefs,
const char *key, const char *value,
size_t value_n)
size_t value_n, int *found)
{
const OSSL_PARAM *paramdef = NULL;
int ishex = 0;
@ -176,7 +178,7 @@ int OSSL_PARAM_allocate_from_text(OSSL_PARAM *to,
return 0;
if (!prepare_from_text(paramdefs, key, value, value_n,
&paramdef, &ishex, &buf_n, &tmpbn))
&paramdef, &ishex, &buf_n, &tmpbn, found))
return 0;
if ((buf = OPENSSL_zalloc(buf_n > 0 ? buf_n : 1)) == NULL) {

8
doc/man3/OSSL_PARAM_allocate_from_text.pod
View File

@ -12,7 +12,8 @@ OSSL_PARAM_allocate_from_text
int OSSL_PARAM_allocate_from_text(OSSL_PARAM *to,
const OSSL_PARAM *paramdefs,
const char *key, const char *value,
size_t value_n);
size_t value_n,
int *found);
=head1 DESCRIPTION
@ -37,6 +38,9 @@ left untouched, allowing a caller to find out how large the buffer
should be.
I<buf> needs to be correctly aligned for the type of the B<OSSL_PARAM>
I<key>.
If <found> is not NULL, it is set to 1 if the parameter can be located and
to 0 otherwise.
The caller must remember to free the data of I<to> when it's not
useful any more.
@ -127,7 +131,7 @@ Can be written like this instead:
*vtmp++ = '\0';
if (!OSSL_PARAM_allocate_from_text(&params[params_n],
paramdefs, stmp,
vtmp, strlen(vtmp)))
vtmp, strlen(vtmp), NULL))
goto err;
}
params[params_n] = OSSL_PARAM_construct_end();

2
include/openssl/params.h
View File

@ -92,7 +92,7 @@ OSSL_PARAM OSSL_PARAM_construct_end(void);
int OSSL_PARAM_allocate_from_text(OSSL_PARAM *to,
const OSSL_PARAM *paramdefs,
const char *key, const char *value,
size_t value_n);
size_t value_n, int *found);
int OSSL_PARAM_get_int(const OSSL_PARAM *p, int *val);
int OSSL_PARAM_get_uint(const OSSL_PARAM *p, unsigned int *val);

2
providers/fips/self_test_kats.c
View File

@ -167,7 +167,7 @@ static int self_test_kdf(const ST_KAT_KDF *t, OSSL_ST_EVENT *event,
if (!OSSL_PARAM_allocate_from_text(&params[i], settables,
t->ctrls[i].name,
t->ctrls[i].value,
strlen(t->ctrls[i].value)))
strlen(t->ctrls[i].value), NULL))
goto end;
}
if (!EVP_KDF_CTX_set_params(ctx, params))

4
test/evp_test.c
View File

@ -1310,7 +1310,7 @@ static int mac_test_run_mac(EVP_TEST *t)
|| !OSSL_PARAM_allocate_from_text(&params[params_n],
defined_params,
tmpkey, tmpval,
strlen(tmpval))) {
strlen(tmpval), NULL)) {
OPENSSL_free(tmpkey);
t->err = "MAC_PARAM_ERROR";
goto err;
@ -2129,7 +2129,7 @@ static int kdf_test_ctrl(EVP_TEST *t, EVP_KDF_CTX *kctx,
*p++ = '\0';
rv = OSSL_PARAM_allocate_from_text(kdata->p, defs, name, p,
p != NULL ? strlen(p) : 0);
p != NULL ? strlen(p) : 0, NULL);
*++kdata->p = OSSL_PARAM_construct_end();
if (!rv) {
t->err = "KDF_PARAM_ERROR";