Re: [libvirt] [PATCH] Add env variable for debugging gnutls usage

Allow debugging of GNUTLS interactions by setting LIBVIRT_GNUTLS_DEBUG=10 LIBVIRT_DEBUG=1 virsh * src/remote/remote_driver.c: Use LIBVIRT_GNUTLS_DEBUG to enable gnutls debugging --- src/remote/remote_driver.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c index 72cf292..9e90e5c 100644 --- a/src/remote/remote_driver.c +++ b/src/remote/remote_driver.c @@ -1138,16 +1138,29 @@ check_cert_file(const char *type, const char *file) } +static void remote_debug_gnutls_log(int level, const char* str) { + DEBUG("%d %s", level, str); +} + static int initialize_gnutls(void) { static int initialized = 0; int err; + char *gnudebug; if (initialized) return 0; gnutls_global_init (); + if ((gnudebug = getenv("LIBVIRT_GNUTLS_DEBUG")) != NULL) { + int val; + if (virStrToLong_i(gnudebug, NULL, 10, &val) < 0) + val = 10; + gnutls_global_set_log_level(val); + gnutls_global_set_log_function(remote_debug_gnutls_log); + } + /* X509 stuff */ err = gnutls_certificate_allocate_credentials (&x509_cred); if (err) {