This function exposes internal state of the TLS negotiated parameters
for the sole purpose of being able to implement PRF for EAP-FAST. Since
tls_connection_prf() is now taking care of all TLS-based key derivation
cases, it is cleaner to keep this detail internal to each tls_*.c
wrapper implementation.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This is not needed anymore with the tls_connection_prf() being used to
handle all key derivation needs. tls_connection_get_keys() is a bit
misnamed for now, but it is only used to fetch the client and server
random for Session-Id derivation.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
tls_openssl.c is the only remaining TLS/crypto wrapper that needs the
internal PRF implementation for EAP-FAST (since
SSL_export_keying_material() is not available in older versions and does
not support server-random-before-client case). As such, it is cleaner to
assume that TLS libraries support tls_connection_prf() and move the
additional support code for the otherwise unsupported cases into
tls_openssl.c.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This replaces the internal CBC mode implementation in
aes_128_cbc_encrypt() and aes_128_cbc_decrypt() with the OpenSSL
implementation for CONFIG_TLS=openssl builds.
Signed-off-by: Jouni Malinen <j@w1.fi>
The local buffers may contain information used to generate parts of the
derived key, so clear these explicitly to minimize amount of unnecessary
private key-related material in memory.
Signed-off-by: Jouni Malinen <j@w1.fi>
The local hash[] buffer may contain parts of the derived key, so clear
it explicitly to minimize number of unnecessary copies of key material
in memory.
Signed-off-by: Jouni Malinen <j@w1.fi>
The local T[] buffer may contain parts of the derived key, so clear it
explicitly to minimize number of unnecessary copies of key material in
memory.
Signed-off-by: Jouni Malinen <j@w1.fi>
SChannel/CryptoAPI as a TLS/crypto library alternative was never
completed. Critical functionality is missing and there are bugs in this
implementation. Since there are no known plans of completing this
support, it is better to remove this code.
Signed-off-by: Jouni Malinen <j@w1.fi>
If OpenSSL reports that a presented leaf certificate is invalid,
but it has been explicitly pinned, accept it anyway.
Signed-off-by: Rohit Agrawal <rohit.agrawal.mn@gmail.com>
These were not supposed to include a newline at the end of the message
text since such formatting gets handled by tls_show_errors(). In
addition, change the message about the issuer's issuer to be more
accurate.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
If addition of a peer issuer certificate fails, the certs pointer would
be NULL when being passed to sk_X509_push() for peer issuer's issuer.
Fix this by skipping addition of issuer's issue if issuer addition
fails.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This is going to be required for OpenSSL 1.1.0 which makes the SSL
structure opaque. Older versions starting from OpenSSL 1.0.1 include
this function, so start using it now based on OPENSSL_VERSION_NUMBER.
Signed-off-by: Jouni Malinen <j@w1.fi>
OpenSSL 0.9.8 and newer includes SSL_CTX_get_cert_store() and
SSL_CTX_set_cert_store() helper functions, so there is no need to
dereference the SSL_CTX pointer to cert ssl_ctx->cert_store. This helps
in working with the future OpenSSL 1.1.0 release that makes the SSL_CTX
structure opaque.
Signed-off-by: Jouni Malinen <j@w1.fi>
This replaces the implementation in aes-wrap.c and aes-unwrap.c with
OpenSSL AES_wrap_key() and AES_unwrap_key() functions when building
hostapd or wpa_supplicant with OpenSSL.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
These have reached out-of-life status in the OpenSSL project and there
is no need to maintain support for them in hostapd/wpa_supplicant
either.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Use OpenSSL HMAC_* functions to implement HMAC-MD5 instead of depending
on the src/crypto/md5.c implementation.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
omac1_aes_256() and omac1_aes_vector() can now be used to perform
256-bit CMAC operations similarly to the previously supported 128-bit
cases.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This is similar with domain_suffix_match, but required a full match of
the domain name rather than allowing suffix match (subdomains) or
wildcard certificates.
Signed-off-by: Jouni Malinen <j@w1.fi>
A new "CTRL-EVENT-EAP-PEER-ALT depth=<i> <alt name>" event is now used
to provide information about server certificate chain alternative
subject names for upper layers, e.g., to make it easier to configure
constraints on the server certificate. For example:
CTRL-EVENT-EAP-PEER-ALT depth=0 DNS:server.example.com
Currently, this includes DNS, EMAIL, and URI components from the
certificates. Similar information is priovided to D-Bus Certification
signal in the new altsubject argument which is a string array of these
items.
Signed-off-by: Jouni Malinen <j@w1.fi>
This allows ocsp=2 to be used with wpa_supplicant when built with GnuTLS
to request TLS status extension (OCSP stapling) to be used to validate
server certificate validity.
Signed-off-by: Jouni Malinen <j@w1.fi>
The server certificate will be rejected if it includes any EKU and none
of the listed EKUs is either TLS Web Server Authentication or ANY.
Signed-off-by: Jouni Malinen <j@w1.fi>
Certificate expiration is checked both within GnuTLS and in the
tls_gnutls.c implementation. The former was configured to use the
request to ignore time checks while the latter was not. Complete support
for this parameter by ignoring the internal expiration checks if
requested.
Signed-off-by: Jouni Malinen <j@w1.fi>
This allows private key and client certificate to be configured using
wpa_supplicant blobs instead of external files.
Signed-off-by: Jouni Malinen <j@w1.fi>
It looks like GnuTLS may return success on
gnutls_certificate_set_x509_*() functions with GNUTLS_X509_FMT_PEM even
when trying to read DER encoded information. Reverse the order of
parsing attempts so that we start with DER and then move to PEM if
GnuTLS reports failure on DER parsing. This seems to be more reliable
way of getting errors reported and both cases can now be handled.
Signed-off-by: Jouni Malinen <j@w1.fi>
This new wpa_supplicant and hostapd control interface command can be
used to determine which TLS library is used in the build and what is the
version of that library.
Signed-off-by: Jouni Malinen <j@w1.fi>
This allows wpa_supplicant to provide more information about peer
certificate validation results to upper layers similarly to the
mechanism used with OpenSSL.
Signed-off-by: Jouni Malinen <j@w1.fi>
This implementation uses GnuTLS function
gnutls_x509_crt_check_hostname(). It has a bit different rules regarding
matching (allows wildcards in some cases, but does not use suffix
matching) compared to the internal implementation used with OpenSSL.
However, these rules are sufficiently close to each other to be of
reasonable use for most cases.
Signed-off-by: Jouni Malinen <j@w1.fi>
After having checked all known GNUTLS_CERT_* error cases that we care
about, check that no other errors have been indicated by
gnutls_certificate_verify_peers2() as a reason to reject negotiation.
Signed-off-by: Jouni Malinen <j@w1.fi>
Make the debug output more useful for determining whuch version of
GnuTLS was used and what was negotiated for the session.
Signed-off-by: Jouni Malinen <j@w1.fi>
GnuTLS 2.10.0 added gnutls_certificate_set_verify_function() that can be
used to move peer certificate validation to an earlier point in the
handshake. Use that to get similar validation behavior to what was done
with OpenSSL, i.e., reject the handshake immediately after receiving the
peer certificate rather than at the completion of handshake.
Signed-off-by: Jouni Malinen <j@w1.fi>
GnuTLS project has marked 2.12.x obsolete since January 2014. There is
not much need for maintaining support for obsolete versions of the
library, so drop all #if/#endif blocks targeting 2.x.y versions. In
practice, none of these were requiring 2.12.x version with x greater
than 0, so 2.12.x remains supported for now.
In addition, add newer version (GnuTLS 3.0.18 and newer) to fetch client
and server random from the session since the old method is not supported
by new GnuTLS versions and as such, gets removed with rest of the old
ifdef blocks.
Signed-off-by: Jouni Malinen <j@w1.fi>
No one should be using GnuTLS versions older than 1.3.2 from 2006
anymore, so remove these unnecessary #if/#endif checks.
Signed-off-by: Jouni Malinen <j@w1.fi>
This was needed with very old GnuTLS versions, but has not been needed,
or used, since GnuTLS 1.3.2 which was released in 2006. As such, there
is no need to maintain this code anymore and it is better to just clean
the source code by removing all the related code.
Signed-off-by: Jouni Malinen <j@w1.fi>
This allows GnuTLS to be used with trusted CA certificate from
wpa_supplicant blob rather than an external certificate file.
Signed-off-by: Jouni Malinen <j@w1.fi>
This TLS configuration parameter is explicitly for OpenSSL. Instead of
ignoring it silently, reject any configuration trying to use it in
builds that use other options for TLS implementation.
Signed-off-by: Jouni Malinen <j@w1.fi>
NSS as a TLS/crypto library alternative was never completed and this
barely functional code does not even build with the current NSS version.
Taken into account that there has not been much interest in working on
this crypto wrapper over the years, it is better to just remove this
code rather than try to get it into somewhat more functional state.
Signed-off-by: Jouni Malinen <j@w1.fi>
Validation of these parameters has not been implemented with schannel.
Instead of ignoring them silently, reject the configuration to avoid
giving incorrect impression of the parameters being used if
wpa_supplicant is built with schannel instead of the default OpenSSL.
Signed-off-by: Jouni Malinen <j@w1.fi>
Validation of these parameters has not been implemented in the internal
TLS implementation. Instead of ignoring them silently, reject the
configuration to avoid giving incorrect impression of the parameters
being used if wpa_supplicant is built with the internal TLS
implementation instead of the default OpenSSL.
Signed-off-by: Jouni Malinen <j@w1.fi>
Validation of these parameters has not been implemented with GnuTLS.
Instead of ignoring them silently, reject the configuration to avoid
giving incorrect impression of the parameters being used if
wpa_supplicant is built with GnuTLS instead of the default OpenSSL.
Signed-off-by: Jouni Malinen <j@w1.fi>
This was supposed to use the iterations parameter from the caller
instead of the hardcoded 4096. In practice, this did not have problems
for normal uses since that 4096 value was used in all cases.
Signed-off-by: Jouni Malinen <j@w1.fi>
