/* Helper to evaluate the error code ERR form a send_request() call
with REQUEST. The function returns true if the caller shall try
again. TRIES_LEFT points to a variable to track the number of
retries; this function decrements it and won't return true if it is
down to zero. */
static int
handle_send_request_error (gpg_error_t err, const char *request,
unsigned int *tries_left)
{
int retry = 0;
switch (gpg_err_code (err))
{
case GPG_ERR_ECONNREFUSED:
case GPG_ERR_ENETUNREACH:
case GPG_ERR_UNKNOWN_HOST:
case GPG_ERR_NETWORK:
if (mark_host_dead (request) && *tries_left)
retry = 1;
break;
case GPG_ERR_ETIMEDOUT:
if (*tries_left)
{
log_info ("selecting a different host due to a timeout\n");
retry = 1;
}
default:
break;
}
if (*tries_left)
--*tries_left;
return retry;
}
/* Helper to evaluate the error code ERR from a send_request() call
with REQUEST. The function returns true if the caller shall try
again. TRIES_LEFT points to a variable to track the number of
retries; this function decrements it and won't return true if it is
down to zero. */
static int
handle_send_request_error (ctrl_t ctrl, gpg_error_t err, const char *request,
unsigned int *tries_left)
{
int retry = 0;
/* Fixme: Should we disable all hosts of a protocol family if a
* request for an address of that familiy returned ENETDOWN? */
switch (gpg_err_code (err))
{
case GPG_ERR_ECONNREFUSED:
if (tor_not_running_p (ctrl))
break; /* A retry does not make sense. */
/* Okay: Tor is up or --use-tor is not used. */
/*FALLTHRU*/
case GPG_ERR_ENETUNREACH:
case GPG_ERR_ENETDOWN:
case GPG_ERR_UNKNOWN_HOST:
case GPG_ERR_NETWORK:
case GPG_ERR_EIO: /* Sometimes used by estream cookie functions. */
case GPG_ERR_EADDRNOTAVAIL: /* e.g. when IPv6 is disabled */
case GPG_ERR_EAFNOSUPPORT: /* e.g. when IPv6 is not compiled in */
if (mark_host_dead (request) && *tries_left)
retry = 1;
break;
case GPG_ERR_ETIMEDOUT:
if (*tries_left)
{
log_info ("selecting a different host due to a timeout\n");
retry = 1;
}
break;
case GPG_ERR_EACCES:
if (dirmngr_use_tor ())
{
log_info ("(Tor configuration problem)\n");
dirmngr_status (ctrl, "WARNING", "tor_config_problem 0",
"Please check that the \"SocksPort\" flag "
"\"IPv6Traffic\" is set in torrc", NULL);
}
break;
default:
break;
}
if (*tries_left)
--*tries_left;
return retry;
}
