/* 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; }