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-rw-r--r--common.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/common.c b/common.c
index 0837188..24077a6 100644
--- a/common.c
+++ b/common.c
@@ -50,6 +50,30 @@ init_openssl (void)
// --- To be moved to liberty --------------------------------------------------
+// FIXME: in xssl_get_error() we rely on error reasons never being NULL (i.e.,
+// all loaded), which isn't very robust.
+// TODO: check all places where this is used and see if we couldn't gain better
+// information by piecing together some other subset of data from the error
+// stack. Most often, this is used in an error_set() context, which would
+// allow us to allocate memory instead of returning static strings.
+static const char *
+xerr_describe_error (void)
+{
+ unsigned long err = ERR_get_error ();
+ if (!err)
+ return "undefined error";
+
+ const char *reason = ERR_reason_error_string (err);
+ do
+ // Not thread-safe, not a concern right now--need a buffer
+ print_debug ("%s", ERR_error_string (err, NULL));
+ while ((err = ERR_get_error ()));
+
+ if (!reason)
+ return "cannot retrieve error description";
+ return reason;
+}
+
static ssize_t
strv_find (const struct strv *v, const char *s)
{