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OpenSSL: Fix PKCS#12 extra certificate handling

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Previously, the possible extra certificate(s) from a PKCS#12 file was
added once for each authentication attempt. This resulted in OpenSSL
concatenating the certificates multiple time (add one copy for each try
during the wpa_supplicant process lifetime). Fix this by clearing the
extra chain certificates before adding new ones when using OpenSSL 1.0.1
or newer that include the needed function.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-08-11 00:40:27 +03:00
parent 6da3b745f1
commit 0d2c0e6776
1 changed files with 3 additions and 0 deletions
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3
src/crypto/tls_openssl.c
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@ -2112,6 +2112,9 @@ static int tls_parse_pkcs12(SSL_CTX *ssl_ctx, SSL *ssl, PKCS12 *p12,
}
if (certs) {
#if OPENSSL_VERSION_NUMBER >= 0x10001000L
SSL_CTX_clear_extra_chain_certs(ssl_ctx);
#endif /* OPENSSL_VERSION_NUMBER >= 0x10001000L */
while ((cert = sk_X509_pop(certs)) != NULL) {
X509_NAME_oneline(X509_get_subject_name(cert), buf,
sizeof(buf));