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Make sendmail(8) buildable.

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This commit is contained in:
Jung-uk Kim 2018-09-19 06:48:45 +00:00
parent 4a189b08ba
commit b7aeb266b0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/openssl111/; revision=338773
1 changed files with 122 additions and 41 deletions
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163
contrib/sendmail/src/tls.c
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@ -60,18 +60,58 @@ static unsigned char dh512_g[] =
0x02
};
#if OPENSSL_VERSION_NUMBER < 0x10100000
static inline int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
{
/* If the fields p and g in d are NULL, the corresponding input
* parameters MUST be non-NULL. q may remain NULL.
*/
if ((dh->p == NULL && p == NULL)
|| (dh->g == NULL && g == NULL))
return 0;
if (p != NULL) {
BN_free(dh->p);
dh->p = p;
}
if (q != NULL) {
BN_free(dh->q);
dh->q = q;
}
if (g != NULL) {
BN_free(dh->g);
dh->g = g;
}
if (q != NULL) {
dh->length = BN_num_bits(q);
}
return 1;
}
#endif
static DH *
get_dh512()
{
DH *dh = NULL;
BIGNUM *p;
BIGNUM *g;
if ((dh = DH_new()) == NULL)
return NULL;
dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
if ((dh->p == NULL) || (dh->g == NULL))
return NULL;
dh = DH_new();
p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
if (!dh || !p || !g)
goto err;
if (!DH_set0_pqg(dh, p, NULL, g))
goto err;
return dh;
err:
DH_free(dh);
BN_free(p);
BN_free(g);
return NULL;
}
# if 0
@ -117,17 +157,22 @@ get_dh2048()
};
static unsigned char dh2048_g[]={ 0x02, };
DH *dh;
BIGNUM *p;
BIGNUM *g;
if ((dh=DH_new()) == NULL)
return(NULL);
dh->p=BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);
dh->g=BN_bin2bn(dh2048_g,sizeof(dh2048_g),NULL);
if ((dh->p == NULL) || (dh->g == NULL))
{
DH_free(dh);
return(NULL);
}
dh = DH_new();
p = BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);
g = BN_bin2bn(dh2048_g,sizeof(dh2048_g),NULL);
if (!dh || !p || !g)
goto err;
if (!DH_set0_pqg(dh, p, NULL, g))
goto err;
return(dh);
err:
DH_free(dh);
BN_free(p);
BN_free(g);
return NULL;
}
# endif /* !NO_DH */
@ -926,7 +971,7 @@ inittls(ctx, req, options, srv, certfile, keyfile, cacertpath, cacertfile, dhpar
{
/* get a pointer to the current certificate validation store */
store = SSL_CTX_get_cert_store(*ctx); /* does not fail */
crl_file = BIO_new(BIO_s_file_internal());
crl_file = BIO_new(BIO_s_file());
if (crl_file != NULL)
{
if (BIO_read_filename(crl_file, CRLFile) >= 0)
@ -1000,26 +1045,41 @@ inittls(ctx, req, options, srv, certfile, keyfile, cacertpath, cacertfile, dhpar
** maybe we should do it only on demand...
*/
if (bitset(TLS_I_RSA_TMP, req)
# if SM_CONF_SHM
&& ShmId != SM_SHM_NO_ID &&
(rsa_tmp = RSA_generate_key(RSA_KEYLENGTH, RSA_F4, NULL,
NULL)) == NULL
# else /* SM_CONF_SHM */
&& 0 /* no shared memory: no need to generate key now */
# endif /* SM_CONF_SHM */
)
if (bitset(TLS_I_RSA_TMP, req)
&& ShmId != SM_SHM_NO_ID)
{
if (LogLevel > 7)
{
sm_syslog(LOG_WARNING, NOQID,
"STARTTLS=%s, error: RSA_generate_key failed",
who);
if (LogLevel > 9)
tlslogerr(LOG_WARNING, who);
BIGNUM *bn;
bn = BN_new();
rsa_tmp = RSA_new();
if (!bn || !rsa_tmp || !BN_set_word(bn, RSA_F4)) {
RSA_free(rsa_tmp);
rsa_tmp = NULL;
}
if (rsa_tmp)
{
if (!RSA_generate_key_ex(rsa_tmp, RSA_KEYLENGTH, bn, NULL))
{
RSA_free(rsa_tmp);
rsa_tmp = NULL;
}
}
BN_free(bn);
if (!rsa_tmp)
{
if (LogLevel > 7)
{
sm_syslog(LOG_WARNING, NOQID,
"STARTTLS=%s, error: RSA_generate_key failed",
who);
if (LogLevel > 9)
tlslogerr(LOG_WARNING, who);
}
return false;
}
return false;
}
# endif /* SM_CONF_SHM */
# endif /* !TLS_NO_RSA */
/*
@ -1210,9 +1270,15 @@ inittls(ctx, req, options, srv, certfile, keyfile, cacertpath, cacertfile, dhpar
sm_dprintf("inittls: Generating %d bit DH parameters\n", bits);
/* this takes a while! */
dsa = DSA_generate_parameters(bits, NULL, 0, NULL,
NULL, 0, NULL);
dh = DSA_dup_DH(dsa);
dsa = DSA_new();
if (dsa) {
int r;
r = DSA_generate_parameters_ex(dsa, bits, NULL, 0,
NULL, NULL, NULL);
if (r != 0)
dh = DSA_dup_DH(dsa);
}
DSA_free(dsa);
}
else if (dh == NULL && bitset(TLS_I_DHFIXED, req))
@ -1733,6 +1799,9 @@ tmp_rsa_key(s, export, keylength)
int export;
int keylength;
{
BIGNUM *bn;
int ret;
# if SM_CONF_SHM
extern int ShmId;
extern int *PRSATmpCnt;
@ -1742,10 +1811,22 @@ tmp_rsa_key(s, export, keylength)
return rsa_tmp;
# endif /* SM_CONF_SHM */
if (rsa_tmp != NULL)
RSA_free(rsa_tmp);
rsa_tmp = RSA_generate_key(RSA_KEYLENGTH, RSA_F4, NULL, NULL);
if (rsa_tmp == NULL)
if (rsa_tmp == NULL) {
rsa_tmp = RSA_new();
if (!rsa_tmp)
return NULL;
}
bn = BN_new();
if (!bn)
return NULL;
if (!BN_set_word(bn, RSA_F4)) {
BN_free(bn);
return NULL;
}
ret = RSA_generate_key_ex(rsa_tmp, RSA_KEYLENGTH, bn, NULL);
BN_free(bn);
if (!ret)
{
if (LogLevel > 0)
sm_syslog(LOG_ERR, NOQID,
@ -1971,9 +2052,9 @@ x509_verify_cb(ok, ctx)
{
if (LogLevel > 13)
tls_verify_log(ok, ctx, "x509");
if (ctx->error == X509_V_ERR_UNABLE_TO_GET_CRL)
if (X509_STORE_CTX_get_error(ctx) == X509_V_ERR_UNABLE_TO_GET_CRL)
{
ctx->error = 0;
X509_STORE_CTX_set_error(ctx, 0);
return 1; /* override it */
}
}