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f5ethtrailer: Only remove registered taps 

Add checks to only remove registered taps.
This commit is contained in:
Stig Bjørlykke 2022-10-07 14:16:04 +02:00
parent 0c1461817f
commit da4277971f
1 changed files with 21 additions and 6 deletions
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27
epan/dissectors/packet-f5ethtrailer.c
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@ -334,9 +334,9 @@ static gboolean pref_perform_analysis = FALSE;
static gboolean pref_generate_keylog = TRUE;
/** Identifiers for taps (when enabled), only the address is important, the
* values are unused. */
static gint tap_ip_enabled;
static gint tap_ipv6_enabled;
static gint tap_tcp_enabled;
static gboolean tap_ip_enabled;
static gboolean tap_ipv6_enabled;
static gboolean tap_tcp_enabled;
/** Used "in" and "out" map for the true and false for ingress. (Not actually
* used in field definition, but rather used to display via a format call
@ -3574,18 +3574,24 @@ proto_init_f5ethtrailer(void)
if (error_string) {
ws_warning("Unable to register tap \"ip\" for f5ethtrailer: %s", error_string->str);
g_string_free(error_string, TRUE);
} else {
tap_ip_enabled = TRUE;
}
error_string = register_tap_listener(
"ipv6", &tap_ipv6_enabled, NULL, TL_REQUIRES_NOTHING, NULL, ipv6_tap_pkt, NULL, NULL);
if (error_string) {
ws_warning("Unable to register tap \"ipv6\" for f5ethtrailer: %s", error_string->str);
g_string_free(error_string, TRUE);
} else {
tap_ipv6_enabled = TRUE;
}
error_string = register_tap_listener(
"tcp", &tap_tcp_enabled, NULL, TL_REQUIRES_NOTHING, NULL, tcp_tap_pkt, NULL, NULL);
if (error_string) {
ws_warning("Unable to register tap \"tcp\" for f5ethtrailer: %s", error_string->str);
g_string_free(error_string, TRUE);
} else {
tap_tcp_enabled = TRUE;
}
}
}
@ -3597,9 +3603,18 @@ proto_init_f5ethtrailer(void)
static void
f5ethtrailer_cleanup(void)
{
remove_tap_listener(&tap_tcp_enabled);
remove_tap_listener(&tap_ipv6_enabled);
remove_tap_listener(&tap_ip_enabled);
if (tap_tcp_enabled) {
remove_tap_listener(&tap_tcp_enabled);
tap_tcp_enabled = FALSE;
}
if (tap_ipv6_enabled) {
remove_tap_listener(&tap_ipv6_enabled);
tap_ipv6_enabled = FALSE;
}
if (tap_ip_enabled) {
remove_tap_listener(&tap_ip_enabled);
tap_ip_enabled = FALSE;
}
}
/**