/**
* Open a pipe for raw input. This is a stripped-down version of
* pcap_loop.c:cap_pipe_open_live().
* We check if "pipe_name" is "-" (stdin) or a FIFO, and open it.
* @param pipe_name The name of the pipe or FIFO.
* @return A POSIX file descriptor on success, or -1 on failure.
*/
static int
raw_pipe_open(const char *pipe_name)
{
#ifndef _WIN32
struct stat pipe_stat;
#else
char *pncopy, *pos;
DWORD err;
wchar_t *err_str;
HANDLE hPipe = NULL;
#endif
int rfd;
g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "open_raw_pipe: %s", pipe_name);
/*
* XXX Rawshark blocks until we return
*/
if (strcmp(pipe_name, "-") == 0) {
rfd = 0; /* read from stdin */
#ifdef _WIN32
/*
* This is needed to set the stdin pipe into binary mode, otherwise
* CR/LF are mangled...
*/
_setmode(0, _O_BINARY);
#endif /* _WIN32 */
} else {
#ifndef _WIN32
if (ws_stat(pipe_name, &pipe_stat) < 0) {
fprintf(stderr, "rawshark: The pipe %s could not be checked: %s\n",
pipe_name, strerror(errno));
return -1;
}
if (! S_ISFIFO(pipe_stat.st_mode)) {
if (S_ISCHR(pipe_stat.st_mode)) {
/*
* Assume the user specified an interface on a system where
* interfaces are in /dev. Pretend we haven't seen it.
*/
} else
{
fprintf(stderr, "rawshark: \"%s\" is neither an interface nor a pipe\n",
pipe_name);
}
return -1;
}
rfd = ws_open(pipe_name, O_RDONLY | O_NONBLOCK, 0000 /* no creation so don't matter */);
if (rfd == -1) {
fprintf(stderr, "rawshark: \"%s\" could not be opened: %s\n",
pipe_name, strerror(errno));
return -1;
}
#else /* _WIN32 */
#define PIPE_STR "\\pipe\\"
/* Under Windows, named pipes _must_ have the form
* "\\<server>\pipe\<pipe_name>". <server> may be "." for localhost.
*/
pncopy = g_strdup(pipe_name);
if (strstr(pncopy, "\\\\") == pncopy) {
pos = strchr(pncopy + 3, '\\');
if (pos && g_ascii_strncasecmp(pos, PIPE_STR, strlen(PIPE_STR)) != 0)
pos = NULL;
}
g_free(pncopy);
if (!pos) {
fprintf(stderr, "rawshark: \"%s\" is neither an interface nor a pipe\n",
pipe_name);
return -1;
}
/* Wait for the pipe to appear */
while (1) {
hPipe = CreateFile(utf_8to16(pipe_name), GENERIC_READ, 0, NULL,
OPEN_EXISTING, 0, NULL);
if (hPipe != INVALID_HANDLE_VALUE)
break;
err = GetLastError();
if (err != ERROR_PIPE_BUSY) {
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL, err, 0, (LPTSTR) &err_str, 0, NULL);
fprintf(stderr, "rawshark: \"%s\" could not be opened: %s (error %d)\n",
pipe_name, utf_16to8(err_str), err);
LocalFree(err_str);
return -1;
}
if (!WaitNamedPipe(utf_8to16(pipe_name), 30 * 1000)) {
err = GetLastError();
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL, err, 0, (LPTSTR) &err_str, 0, NULL);
fprintf(stderr, "rawshark: \"%s\" could not be waited for: %s (error %d)\n",
pipe_name, utf_16to8(err_str), err);
LocalFree(err_str);
return -1;
}
}
rfd = _open_osfhandle((long) hPipe, _O_RDONLY);
if (rfd == -1) {
fprintf(stderr, "rawshark: \"%s\" could not be opened: %s\n",
pipe_name, strerror(errno));
return -1;
}
#endif /* _WIN32 */
}
return rfd;
}
gboolean
browser_open_url (const gchar *url)
{
#if defined(G_OS_WIN32)
return ((intptr_t) ShellExecute (HWND_DESKTOP, _T("open"), utf_8to16(url), NULL, NULL, SW_SHOWNORMAL) > 32);
#elif defined(HAVE_OS_X_FRAMEWORKS)
CFStringRef url_CFString;
CFURLRef url_CFURL;
OSStatus status;
/*
* XXX - if URLs passed to "browser_open_url()" contain non-ASCII
* characters, we'd have to choose an appropriate value from the
* CFStringEncodings enum.
*/
url_CFString = CFStringCreateWithCString(NULL, url, kCFStringEncodingASCII);
if (url_CFString == NULL)
return (FALSE);
url_CFURL = CFURLCreateWithString(NULL, url_CFString, NULL);
CFRelease(url_CFString);
if (url_CFURL == NULL) {
/*
* XXX - this could mean that the url_CFString wasn't a valid URL,
* or that memory allocation failed. We can't determine which,
* except perhaps by providing our own allocator and somehow
* flagging allocation failures.
*/
return (FALSE);
}
/*
* XXX - this is a Launch Services result code, and we should probably
* display a dialog box if it's not 0, describing what the error was.
* Then again, we should probably do the same for the ShellExecute call,
* unless that call itself happens to pop up a dialog box for all errors.
*/
status = LSOpenCFURLRef(url_CFURL, NULL);
CFRelease(url_CFURL);
return (status == 0);
#elif defined(HAVE_XDG_OPEN)
GError *error = NULL;
const gchar *argv[3];
gboolean retval;
g_return_val_if_fail (url != NULL, FALSE);
argv[0] = "xdg-open";
argv[1] = url;
argv[2] = NULL;
/*
* XXX - use g_spawn_on_screen() so the browser window shows up on
* the same screen?
*
* Also, g_spawn_async() shouldn't modify argv but takes it as non-const!
*/
retval = g_spawn_async (NULL, (gchar**) argv, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
NULL, &error);
if (! retval)
{
simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
"%sCould not execute xdg-open: %s\n\n\"%s\"",
simple_dialog_primary_start(), simple_dialog_primary_end(),
error->message);
g_error_free (error);
}
return retval;
#elif defined(MUST_LAUNCH_BROWSER_OURSELVES)
GError *error = NULL;
gchar *browser;
gchar *argument;
gchar *cmd;
gchar **argv;
gboolean retval;
g_return_val_if_fail (url != NULL, FALSE);
/* browser = gimp_gimprc_query ("web-browser");*/
browser = g_strdup(prefs.gui_webbrowser);
if (browser == NULL || ! strlen (browser))
{
simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
"Web browser not specified.\n"
"Please correct the web browser setting in the Preferences dialog.\n"
"URL: %s", url);
g_free (browser);
return FALSE;
}
/* quote the url since it might contains special chars */
argument = g_shell_quote (url);
/* replace %s with URL */
if (strstr (browser, "%s"))
cmd = strreplace (browser, "%s", argument);
else
cmd = g_strconcat (browser, " ", argument, NULL);
g_free (argument);
/* parse the cmd line */
if (! g_shell_parse_argv (cmd, NULL, &argv, &error))
{
simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
"%sCould not parse web browser command: \"%s\"%s\n\n\"%s\"\n\n%s",
simple_dialog_primary_start(), browser, simple_dialog_primary_end(),
error->message,
"Please correct the web browser setting in the Preferences dialog.");
g_error_free (error);
return FALSE;
}
/*
* XXX - use g_spawn_on_screen() so the browser window shows up on
* the same screen?
*/
retval = g_spawn_async (NULL, argv, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
NULL, &error);
if (! retval)
{
simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
"%sCould not execute web browser: \"%s\"%s\n\n\"%s\"\n\n%s",
simple_dialog_primary_start(), browser, simple_dialog_primary_end(),
error->message,
"Please correct the web browser setting in the Preferences dialog.");
g_error_free (error);
}
g_free (browser);
g_free (cmd);
g_strfreev (argv);
return retval;
#endif
}
/*
* Given a filename return a filesystem URL. Relative paths are prefixed with
* the datafile directory path.
*/
gchar *
data_file_url(const gchar *filename)
{
gchar *file_path;
gchar *uri;
/* Absolute path? */
#ifdef G_OS_WIN32
if((strlen(filename) > 2) && (filename[1] == ':')) {
file_path = g_strdup(filename);
#else
if((strlen(filename) > 1) && (filename[0] == '/')) {
file_path = g_strdup(filename);
#endif
} else if(running_in_build_directory()) {
file_path = g_strdup_printf("%s/doc/%s", get_datafile_dir(), filename);
} else {
file_path = g_strdup_printf("%s/%s", get_datafile_dir(), filename);
}
/* XXX - check, if the file is really existing, otherwise display a simple_dialog about the problem */
/* convert filename to uri */
uri = g_filename_to_uri(file_path, NULL, NULL);
g_free(file_path);
return uri;
}
const char *
topic_online_url(topic_action_e action)
{
switch(action) {
case(ONLINEPAGE_HOME):
return "https://www.wireshark.org";
break;
case(ONLINEPAGE_WIKI):
return "https://wiki.wireshark.org";
break;
case(ONLINEPAGE_DOWNLOAD):
return "https://www.wireshark.org/download.html";
break;
case(ONLINEPAGE_USERGUIDE):
return "https://www.wireshark.org/docs/wsug_html_chunked/";
break;
case(ONLINEPAGE_FAQ):
return "http://www.wireshark.org/faq.html";
break;
case(ONLINEPAGE_ASK):
return "https://ask.wireshark.org";
break;
case(ONLINEPAGE_SAMPLE_FILES):
return "https://wiki.wireshark.org/SampleCaptures";
break;
case(ONLINEPAGE_CAPTURE_SETUP):
return "https://wiki.wireshark.org/CaptureSetup";
break;
case(ONLINEPAGE_NETWORK_MEDIA):
return "https://wiki.wireshark.org/CaptureSetup/NetworkMedia";
break;
case(ONLINEPAGE_SAMPLE_CAPTURES):
return "https://wiki.wireshark.org/SampleCaptures";
break;
case(ONLINEPAGE_SECURITY):
return "https://wiki.wireshark.org/Security";
break;
case(ONLINEPAGE_CHIMNEY):
return "https://wiki.wireshark.org/CaptureSetup/Offloading#chimney";
break;
default:
return NULL;
}
}
/*
* Open the help dialog and show a specific HTML help page.
*/
gchar *
user_guide_url(const gchar *page) {
GString *url = g_string_new("");
/*
* Try to open local .chm file. This is not the most intuitive way to
* go about this but it fits in with the rest of the _url functions.
*/
#ifdef HHC_DIR
HWND hw;
g_string_printf(url, "%s\\user-guide.chm::/wsug_chm/%s>Wireshark Help",
get_datafile_dir(), page);
hw = HtmlHelpW(NULL,
utf_8to16(url->str),
HH_DISPLAY_TOPIC, 0);
/* if the .chm file could be opened, stop here */
if(hw != NULL) {
g_string_free(url, TRUE /* free_segment */);
return NULL;
}
#endif /* HHC_DIR */
#ifdef DOC_DIR
if (g_file_test(DOC_DIR "/guides/wsug_html_chunked", G_FILE_TEST_IS_DIR)) {
/* try to open the HTML page from wireshark.org instead */
g_string_printf(url, "file://" DOC_DIR "/guides/wsug_html_chunked/%s", page);
} else {
#endif /* ifdef DOC_DIR */
/* try to open the HTML page from wireshark.org instead */
g_string_printf(url, "https://www.wireshark.org/docs/wsug_html_chunked/%s", page);
#ifdef DOC_DIR
}
#endif /* ifdef DOC_DIR */
return g_string_free(url, FALSE);
}