-/* extcap_base.c
+/* extcap-base.c
* Base function for extcaps
*
* Copyright 2015, Dario Lombardo
char * dltdescription;
} extcap_interface;
+typedef struct _extcap_option {
+ char * optname;
+ char * optdesc;
+} extcap_option_t;
+
#ifdef _WIN32
BOOLEAN IsHandleRedirected(DWORD handle)
{
HANDLE h = GetStdHandle(handle);
if (h) {
- BY_HANDLE_FILE_INFORMATION fi;
- if (GetFileInformationByHandle(h, &fi)) {
- return TRUE;
- }
+ BY_HANDLE_FILE_INFORMATION fi;
+ if (GetFileInformationByHandle(h, &fi)) {
+ return TRUE;
+ }
}
return FALSE;
}
errRedirected = IsHandleRedirected(STD_ERROR_HANDLE);
if (outRedirected && errRedirected) {
- /* Both standard output and error handles are redirected.
- * There is no point in attaching to parent process console.
- */
- return;
+ /* Both standard output and error handles are redirected.
+ * There is no point in attaching to parent process console.
+ */
+ return;
}
if (AttachConsole(ATTACH_PARENT_PROCESS) == 0) {
- /* Console attach failed. */
- return;
+ /* Console attach failed. */
+ return;
}
/* Console attach succeeded */
if (outRedirected == FALSE) {
- if (!freopen("CONOUT$", "w", stdout)) {
- errmsg_print("WARNING: Cannot redirect to stdout.");
- }
+ if (!freopen("CONOUT$", "w", stdout)) {
+ g_warning("Cannot redirect to stdout.");
+ }
}
if (errRedirected == FALSE) {
- if (!freopen("CONOUT$", "w", stderr)) {
- errmsg_print("WARNING: Cannot redirect to strerr.");
- }
+ if (!freopen("CONOUT$", "w", stderr)) {
+ g_warning("Cannot redirect to strerr.");
+ }
}
}
#endif
}
void extcap_base_register_interface_ext(extcap_parameters * extcap,
- const char * interface, const char * ifdescription,
- uint16_t dlt, const char * dltname, const char * dltdescription )
+ const char * interface, const char * ifdescription,
+ uint16_t dlt, const char * dltname, const char * dltdescription )
{
extcap_interface * iface;
if (interface == NULL)
- return;
+ return;
iface = g_new0(extcap_interface, 1);
extcap->interfaces = g_list_append(extcap->interfaces, (gpointer) iface);
}
-void extcap_base_set_util_info(extcap_parameters * extcap, const char * major, const char * minor, const char * release, const char * helppage)
+void extcap_base_set_util_info(extcap_parameters * extcap, const char * exename, const char * major, const char * minor, const char * release, const char * helppage)
{
+ extcap->exename = g_path_get_basename(exename);
+
g_assert(major);
+ if (!minor)
+ g_assert(!release);
+
extcap->version = g_strdup_printf("%s%s%s%s%s",
- major,
- minor ? "." : "",
- minor ? minor : "",
- release ? "." : "",
- release ? release : "");
+ major,
+ minor ? "." : "",
+ minor ? minor : "",
+ release ? "." : "",
+ release ? release : "");
extcap->helppage = g_strdup(helppage);
}
uint8_t extcap_base_parse_options(extcap_parameters * extcap, int result, char * optargument )
{
switch (result) {
- case EXTCAP_OPT_LIST_INTERFACES:
- extcap->do_list_interfaces = 1;
- break;
- case EXTCAP_OPT_VERSION:
- extcap->do_version = 1;
- break;
- case EXTCAP_OPT_LIST_DLTS:
- extcap->do_list_dlts = 1;
- break;
- case EXTCAP_OPT_INTERFACE:
- extcap->interface = g_strdup(optargument);
- break;
- case EXTCAP_OPT_CONFIG:
- extcap->show_config = 1;
- break;
- case EXTCAP_OPT_CAPTURE:
- extcap->capture = 1;
- break;
- case EXTCAP_OPT_CAPTURE_FILTER:
- extcap->capture_filter = g_strdup(optargument);
- break;
- case EXTCAP_OPT_FIFO:
- extcap->fifo = g_strdup(optargument);
- break;
+ case EXTCAP_OPT_DEBUG:
+#ifdef _WIN32
+ _putenv_s("G_MESSAGES_DEBUG", "all");
+#else
+ setenv("G_MESSAGES_DEBUG", "all", 1);
+#endif
+ break;
+ case EXTCAP_OPT_LIST_INTERFACES:
+ extcap->do_list_interfaces = 1;
+ break;
+ case EXTCAP_OPT_VERSION:
+ extcap->do_version = 1;
+ break;
+ case EXTCAP_OPT_LIST_DLTS:
+ extcap->do_list_dlts = 1;
+ break;
+ case EXTCAP_OPT_INTERFACE:
+ extcap->interface = g_strdup(optargument);
+ break;
+ case EXTCAP_OPT_CONFIG:
+ extcap->show_config = 1;
+ break;
+ case EXTCAP_OPT_CAPTURE:
+ extcap->capture = 1;
+ break;
+ case EXTCAP_OPT_CAPTURE_FILTER:
+ extcap->capture_filter = g_strdup(optargument);
+ break;
+ case EXTCAP_OPT_FIFO:
+ extcap->fifo = g_strdup(optargument);
+ break;
}
return 1;
printf("interface {value=%s}", iface->interface);
if (iface->description != NULL)
- printf ("{display=%s}\n", iface->description);
+ printf ("{display=%s}\n", iface->description);
else
- printf ("\n");
+ printf ("\n");
}
static gint extcap_iface_compare(gconstpointer a, gconstpointer b)
{
printf("extcap {version=%s}", extcap->version != NULL ? extcap->version : "unknown");
if (extcap->helppage != NULL)
- printf("{help=%s}", extcap->helppage);
+ printf("{help=%s}", extcap->helppage);
printf("\n");
}
} else {
if (extcap->do_version) {
extcap_print_version(extcap);
- } else {
- GList * element = NULL;
- extcap_interface * iface = NULL;
- if ((element = g_list_find_custom(extcap->interfaces, extcap->interface, extcap_iface_compare)) == NULL)
- return 0;
-
- iface = (extcap_interface *) element->data;
- printf("dlt {number=%d}{name=%s}", iface->dlt, iface->dltname != NULL ? iface->dltname : iface->interface);
- if (iface->description != NULL)
- printf ("{display=%s}\n", iface->dltdescription);
- else
- printf ("\n");
- }
+ } else {
+ GList * element = NULL;
+ extcap_interface * iface = NULL;
+ if ((element = g_list_find_custom(extcap->interfaces, extcap->interface, extcap_iface_compare)) == NULL)
+ return 0;
+
+ iface = (extcap_interface *) element->data;
+ printf("dlt {number=%u}{name=%s}", iface->dlt, iface->dltname != NULL ? iface->dltname : iface->interface);
+ if (iface->description != NULL)
+ printf ("{display=%s}\n", iface->dltdescription);
+ else
+ printf ("\n");
+ }
}
return 1;
{
/* A fifo must be provided for capture */
if (extcap->capture && (extcap->fifo == NULL || strlen(extcap->fifo) <= 0)) {
- extcap->capture = 0;
- errmsg_print("Extcap Error: No FIFO pipe provided");
- return 0;
+ extcap->capture = 0;
+ g_error("Extcap Error: No FIFO pipe provided");
+ return 0;
}
if (extcap->do_list_interfaces) {
- return extcap_iface_listall(extcap, 1);
+ return extcap_iface_listall(extcap, 1);
} else if (extcap->do_version || extcap->do_list_dlts) {
- return extcap_iface_listall(extcap, 0);
+ return extcap_iface_listall(extcap, 0);
}
return 0;
g_free(iface);
}
+static void extcap_help_option_free(gpointer option)
+{
+ extcap_option_t* o = (extcap_option_t*)option;
+ g_free(o->optname);
+ g_free(o->optdesc);
+ g_free(o);
+}
+
void extcap_base_cleanup(extcap_parameters ** extcap)
{
- g_list_free_full((*extcap)->interfaces, extcap_iface_free);
+ /* g_list_free_full() only exists since 2.28. g_list_free_full((*extcap)->interfaces, extcap_iface_free);*/
+ g_list_foreach((*extcap)->interfaces, (GFunc)extcap_iface_free, NULL);
+ g_list_free((*extcap)->interfaces);
+ g_free((*extcap)->exename);
g_free((*extcap)->fifo);
g_free((*extcap)->interface);
g_free((*extcap)->version);
g_free((*extcap)->helppage);
+ g_free((*extcap)->help_header);
+ g_list_foreach((*extcap)->help_options, (GFunc)extcap_help_option_free, NULL);
+ g_list_free((*extcap)->help_options);
g_free(*extcap);
*extcap = NULL;
}
+static void extcap_print_option(gpointer option)
+{
+ extcap_option_t* o = (extcap_option_t*)option;
+ printf("\t%s: %s\n", o->optname, o->optdesc);
+}
+
+void extcap_help_print(extcap_parameters * extcap)
+{
+ printf("\nWireshark - %s v%s\n\n", extcap->exename, extcap->version);
+ printf("Usage:\n");
+ printf("%s", extcap->help_header);
+ printf("\n");
+ printf("Options:\n");
+ g_list_foreach(extcap->help_options, (GFunc)extcap_print_option, NULL);
+ printf("\n");
+}
+
+void extcap_help_add_option(extcap_parameters * extcap, const char * help_option_name, const char * help_option_desc)
+{
+ extcap_option_t* o = g_new0(extcap_option_t, 1);
+ o->optname = g_strdup(help_option_name);
+ o->optdesc = g_strdup(help_option_desc);
+
+ extcap->help_options = g_list_append(extcap->help_options, o);
+}
+
+void extcap_help_add_header(extcap_parameters * extcap, char * help_header)
+{
+ extcap->help_header = g_strdup(help_header);
+ extcap_help_add_option(extcap, "--extcap-interfaces", "list the extcap Interfaces");
+ extcap_help_add_option(extcap, "--extcap-dlts", "list the DLTs");
+ extcap_help_add_option(extcap, "--extcap-interface <iface>", "specify the extcap interface");
+ extcap_help_add_option(extcap, "--extcap-config", "list the additional configuration for an interface");
+ extcap_help_add_option(extcap, "--capture", "run the capture");
+ extcap_help_add_option(extcap, "--extcap-capture-filter <filter>", "the capture filter");
+ extcap_help_add_option(extcap, "--fifo <file>", "dump data to file or fifo");
+ extcap_help_add_option(extcap, "--extcap-version", "print tool version");
+ extcap_help_add_option(extcap, "--debug", "print additional messages");
+}
+
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
- * tab-width: 8
- * indent-tabs-mode: t
+ * tab-width: 4
+ * indent-tabs-mode: nil
* End:
*
- * vi: set shiftwidth=4 tabstop=8 noexpandtab:
- * :indentSize=4:tabSize=8:noTabs=false:
+ * vi: set shiftwidth=4 tabstop=4 expandtab:
+ * :indentSize=4:tabSize=4:noTabs=true:
*/
git.samba.org / metze / wireshark / wip.git / blobdiff