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tls: openssl: ensure actual error first

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This commit is contained in:
Andy Green 2024-09-23 06:57:29 +01:00
parent 53c2adab1a
commit c0267eceec
2 changed files with 22 additions and 1 deletions
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21
lib/tls/openssl/openssl-ssl.c
View file

@ -51,12 +51,33 @@ int lws_openssl_describe_cipher(struct lws *wsi)
int lws_ssl_get_error(struct lws *wsi, int n)
{
int m;
unsigned long l;
char buf[160];
if (!wsi->tls.ssl)
return 99;
m = SSL_get_error(wsi->tls.ssl, n);
lwsl_debug("%s: %p %d -> %d (errno %d)\n", __func__, wsi->tls.ssl, n, m, LWS_ERRNO);
if (m == SSL_ERROR_SSL) {
if (!wsi->tls.err_helper[0]) {
/* Append first error for clarity */
l = ERR_get_error();
if (l) {
ERR_error_string_n(
#if defined(LWS_WITH_BORINGSSL)
(uint32_t)
#endif
l, buf, sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
lws_strncpy(wsi->tls.err_helper, buf,
sizeof(wsi->tls.err_helper));
}
}
// Describe other errors
lws_tls_err_describe_clear();
}
// assert (LWS_ERRNO != 9);

2
lib/tls/private-network.h
View file

@ -85,7 +85,7 @@ struct lws_lws_tls {
lws_tls_kid_chain_t kid_chain;
#endif
struct lws_dll2 dll_pending_tls;
char err_helper[32];
char err_helper[64];
unsigned int use_ssl;
unsigned int redirect_to_https:1;
};