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Diffstat (limited to 'common.c')
| -rw-r--r-- | common.c | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -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) { |