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dirmgr: clean up memory on error code paths

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* dirmgr/crlcache.c (finish_sig_check): goto leave instead of return
* dirmgr/http.c (send_request): free authstr and proxy_authstr
* dirmgr/ldap.c (start_cert_fetch_ldap): free proxy
* dirmgr/ocsp.c (check_signature): release s_hash

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
GnuPG-bug-id: 5393
This commit is contained in:
Jakub Jelen 2021-05-20 10:13:51 +02:00 • committed by Werner Koch
parent a95ddffdcd
commit 0d2c1e9046
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 16 additions and 6 deletions
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9
dirmngr/crlcache.c
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@ -1725,7 +1725,8 @@ finish_sig_check (ksba_crl_t crl, gcry_md_hd_t md, int algo,
{
log_error ("hash algo mismatch: %d announced but %d used\n",
algo, hashalgo);
return gpg_error (GPG_ERR_INV_CRL);
err = gpg_error (GPG_ERR_INV_CRL);
goto leave;
}
/* Add some restrictions; see ../sm/certcheck.c for details. */
switch (algo)
@ -1741,14 +1742,16 @@ finish_sig_check (ksba_crl_t crl, gcry_md_hd_t md, int algo,
default:
log_error ("PSS hash algorithm '%s' rejected\n",
gcry_md_algo_name (algo));
return gpg_error (GPG_ERR_DIGEST_ALGO);
err = gpg_error (GPG_ERR_DIGEST_ALGO);
goto leave;
}
if (gcry_md_get_algo_dlen (algo) != saltlen)
{
log_error ("PSS hash algorithm '%s' rejected due to salt length %u\n",
gcry_md_algo_name (algo), saltlen);
return gpg_error (GPG_ERR_DIGEST_ALGO);
err = gpg_error (GPG_ERR_DIGEST_ALGO);
goto leave;
}
}