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print out PEM of peer cert with example client

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This commit is contained in:
Jacob Barthelmeh
2021-12-07 14:07:47 -07:00
parent 8609d98122
commit 9a07b3af9b
1 changed files with 33 additions and 0 deletions
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33
examples/client/client.c
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@ -1531,6 +1531,37 @@ static const char* client_usage_msg[][70] = {
}; };
static void showPeerPEM(WOLFSSL* ssl)
{
#if (defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)) && !defined(NO_BIO)
WOLFSSL_X509* peer = wolfSSL_get_peer_certificate(ssl);
if (peer) {
WOLFSSL_BIO* bioOut = wolfSSL_BIO_new(wolfSSL_BIO_s_file());
if (bioOut == NULL) {
printf("failed to get bio on stdout\n");
}
else {
if (wolfSSL_BIO_set_fp(bioOut, stdout, BIO_NOCLOSE)
!= WOLFSSL_SUCCESS) {
printf("failed to set stdout to bio output\n");
wolfSSL_BIO_free(bioOut);
bioOut = NULL;
}
}
if (bioOut) {
wolfSSL_BIO_write(bioOut, "---\nServer certificate\n",
XSTRLEN("---\nServer certificate\n"));
wolfSSL_PEM_write_bio_X509(bioOut, peer);
}
wolfSSL_BIO_free(bioOut);
}
wolfSSL_FreeX509(peer);
#endif /* (OPENSSL_ALL || OPENSSL_EXTRA) && !NO_BIO */
(void)ssl;
}
static void Usage(void) static void Usage(void)
{ {
int msgid = 0; int msgid = 0;
@ -3535,6 +3566,7 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
} }
showPeerEx(ssl, lng_index); showPeerEx(ssl, lng_index);
showPeerPEM(ssl);
/* if the caller requested a particular cipher, check here that either /* if the caller requested a particular cipher, check here that either
* a canonical name of the established cipher matches the requested * a canonical name of the established cipher matches the requested
@ -4032,6 +4064,7 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
} }
showPeerEx(sslResume, lng_index); showPeerEx(sslResume, lng_index);
showPeerPEM(sslResume);
if (wolfSSL_session_reused(sslResume)) if (wolfSSL_session_reused(sslResume))
printf("reused session id\n"); printf("reused session id\n");