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tls: add tls_flush_error to dump openssl errors

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Based on contributions from Lennart Grahl (#1) and Alfred Heggestad (#8)
This commit is contained in:
Richard Aas 2016-09-23 14:20:22 +02:00
parent 1b19d71592
commit 30a963b874
3 changed files with 20 additions and 2 deletions
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15
src/tls/openssl/tls.c
View file

@ -730,3 +730,18 @@ int tls_set_servername(struct tls_conn *tc, const char *servername)
return 0;
}
static int print_error(const char *str, size_t len, void *unused)
{
(void)unused;
DEBUG_WARNING("%b", str, len);
return 1;
}
void tls_flush_error(void)
{
ERR_print_errors_cb(print_error, NULL);
}

3
src/tls/openssl/tls.h
View file

@ -10,3 +10,6 @@ struct tls {
X509 *cert;
char *pass; /* password for private key */
};
void tls_flush_error(void);

4
src/tls/openssl/tls_udp.c
View file

@ -243,7 +243,7 @@ static int tls_connect(struct tls_conn *tc)
if (r <= 0) {
const int ssl_err = SSL_get_error(tc->ssl, r);
ERR_clear_error();
tls_flush_error();
switch (ssl_err) {
@ -272,7 +272,7 @@ static int tls_accept(struct tls_conn *tc)
if (r <= 0) {
const int ssl_err = SSL_get_error(tc->ssl, r);
ERR_clear_error();
tls_flush_error();
switch (ssl_err) {