BOOLEAN ui_confirm(const ui_textline_t *text, UINTN width, UINTN height,
UINTN x, UINTN y)
{
ui_events_t event;
#ifdef USE_POWER_BUTTON
UINTN line_nb, len, row_nb = 0;
EFI_STATUS ret;
ui_font_t *font;
UINTN text_height, scaled_text_height, scaled_text_width, line_height;
font = ui_font_get_default();
if (!font) {
error(L"Default font not available");
return FALSE;
}
for (line_nb = 0; text[line_nb].str; line_nb++) {
len = strlen((CHAR8 *)text[line_nb].str);
row_nb = row_nb < len ? len : row_nb;
}
if (!line_nb || !row_nb) {
error(L"Invalid text for ui_confirm");
return FALSE;
}
text_height = line_nb * height / (line_nb + ARRAY_SIZE(yes_no_menu));
ret = ui_textarea_display_text(text, font, x, &y, width, text_height, NULL);
if (EFI_ERROR(ret))
return FALSE;
ui_get_scaled_dimension((row_nb * font->cwidth), (line_nb * font->cheight),
width, text_height, &scaled_text_width, &scaled_text_height);
line_height = scaled_text_height / line_nb;
ret = ui_confirm_draw_menu(font, x, y, scaled_text_width, line_height);
if (EFI_ERROR(ret))
return FALSE;
for (;;) {
event = ui_wait_for_input(TIMEOUT_SECS);
switch (event) {
case EV_UP:
case EV_DOWN:
current = (current + 1) % ARRAY_SIZE(yes_no_menu);
ret = ui_confirm_draw_menu(font, x, y, scaled_text_width, line_height);
if (EFI_ERROR(ret))
return FALSE;
break;
case EV_POWER:
ui_wait_for_key_release();
return !current;
default:
break;
}
}
#else
const ui_textline_t *texts[] = {text, yes_no_text, NULL};
ui_display_texts(texts, x, y, width, height);
event = ui_wait_for_input(TIMEOUT_SECS);
return event == EV_UP ? TRUE : FALSE;
#endif
}
/**
* @brief Main function logic
*
* Parse command line options and start running threads
*/
int
main(int argc, char* argv[])
{
int opt, idx, limit, only_calls, no_incomplete, i;
const char *device, *outfile;
char bpf[512];
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
const char *keyfile;
#endif
const char *match_expr;
int match_insensitive = 0, match_invert = 0;
int no_interface = 0, quiet = 0, rtp_capture = 0, rotate = 0, no_config = 0;
vector_t *infiles = vector_create(0, 1);
vector_t *indevices = vector_create(0, 1);
// Program options
static struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'V' },
{ "device", required_argument, 0, 'd' },
{ "input", required_argument, 0, 'I' },
{ "output", required_argument, 0, 'O' },
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
{ "keyfile", required_argument, 0, 'k' },
#endif
{ "calls", no_argument, 0, 'c' },
{ "rtp", no_argument, 0, 'r' },
{ "limit", required_argument, 0, 'l' },
{ "icase", no_argument, 0, 'i' },
{ "invert", no_argument, 0, 'v' },
{ "no-interface", no_argument, 0, 'N' },
{ "dump-config", no_argument, 0, 'D' },
{ "rotate", no_argument, 0, 'R' },
{ "config", required_argument, 0, 'f' },
{ "no-config", no_argument, 0, 'F' },
#ifdef USE_EEP
{ "eep-listen", required_argument, 0, 'L' },
{ "eep-send", required_argument, 0, 'H' },
#endif
{ "quiet", no_argument, 0, 'q' },
};
// Parse command line arguments that have high priority
opterr = 0;
char *options = "hVd:I:O:pqtW:k:crl:ivNqDL:H:Rf:F";
while ((opt = getopt_long(argc, argv, options, long_options, &idx)) != -1) {
switch (opt) {
case 'h':
usage();
return 0;
case 'V':
version();
return 0;
case 'F':
no_config = 1;
break;
default:
break;
}
}
// Initialize configuration options
init_options(no_config);
// Get initial values for configurable arguments
device = setting_get_value(SETTING_CAPTURE_DEVICE);
outfile = setting_get_value(SETTING_CAPTURE_OUTFILE);
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
keyfile = setting_get_value(SETTING_CAPTURE_KEYFILE);
#endif
limit = setting_get_intvalue(SETTING_CAPTURE_LIMIT);
only_calls = setting_enabled(SETTING_SIP_CALLS);
no_incomplete = setting_enabled(SETTING_SIP_NOINCOMPLETE);
rtp_capture = setting_enabled(SETTING_CAPTURE_RTP);
rotate = setting_enabled(SETTING_CAPTURE_ROTATE);
// Parse the rest of command line arguments
opterr = 0;
optind = 1; /* reset getopt index */
while ((opt = getopt_long(argc, argv, options, long_options, &idx)) != -1) {
switch (opt) {
case 'h': /* handled before with higher priority options */
break;
case 'V': /* handled before with higher priority options */
break;
case 'd':
vector_append(indevices, optarg);
break;
case 'I':
vector_append(infiles, optarg);
break;
case 'O':
outfile = optarg;
break;
case 'l':
if(!(limit = atoi(optarg))) {
fprintf(stderr, "Invalid limit value.\n");
return 0;
}
break;
case 'k':
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
keyfile = optarg;
break;
#else
fprintf(stderr, "sngrep is not compiled with SSL support.");
exit(1);
#endif
case 'c':
only_calls = 1;
setting_set_value(SETTING_SIP_CALLS, SETTING_ON);
break;
case 'r':
rtp_capture = 1;
setting_set_value(SETTING_CAPTURE_RTP, SETTING_ON);
break;
case 'i':
match_insensitive++;
break;
case 'v':
match_invert++;
break;
case 'N':
no_interface = 1;
setting_set_value(SETTING_CAPTURE_STORAGE, "none");
break;
case 'q':
quiet = 1;
break;
case 'D':
key_bindings_dump();
settings_dump();
return 0;
case 'f':
read_options(optarg);
break;
case 'F': /* handled before with higher priority options */
break;
case 'R':
rotate = 1;
setting_set_value(SETTING_CAPTURE_ROTATE, SETTING_ON);
break;
// Dark options for dummy ones
case 'p':
case 't':
case 'W':
break;
case 'L':
#ifdef USE_EEP
capture_eep_set_server_url(optarg);
break;
#else
fprintf(stderr, "sngrep is not compiled with HEP/EEP support.");
exit(1);
#endif
case 'H':
#ifdef USE_EEP
capture_eep_set_client_url(optarg);
break;
#else
fprintf(stderr, "sngrep is not compiled with HEP/EEP support.");
exit(1);
#endif
case '?':
if (strchr(options, optopt)) {
fprintf(stderr, "-%c option requires an argument.\n", optopt);
} else if (isprint(optopt)) {
fprintf(stderr, "Unknown option -%c.\n", optopt);
} else {
fprintf(stderr, "Unknown option character '\\x%x'.\n", optopt);
}
return 1;
default:
break;
}
}
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
// Set capture decrypt key file
capture_set_keyfile(keyfile);
// Check if we have a keyfile and is valid
if (keyfile && !tls_check_keyfile(keyfile)) {
fprintf(stderr, "%s does not contain a valid RSA private key.\n", keyfile);
return 1;
}
#endif
// Check if given argument is a file
if (argc == 2 && (access(argv[1], F_OK) == 0)) {
// Old legacy option to open pcaps without other arguments
printf("%s seems to be a file: You forgot -I flag?\n", argv[1]);
return 0;
}
// Initialize SIP Messages Storage
sip_init(limit, only_calls, no_incomplete);
// Set capture options
capture_init(limit, rtp_capture, rotate);
#ifdef USE_EEP
// Initialize EEP if enabled
capture_eep_init();
#endif
// If no device or files has been specified in command line, use default
if (vector_count(indevices) == 0 && vector_count(infiles) == 0) {
vector_append(indevices, (char *) device);
}
// If we have an input file, load it
for (i = 0; i < vector_count(infiles); i++) {
// Try to load file
if (capture_offline(vector_item(infiles, i), outfile) != 0)
return 1;
}
// If we have an input device, load it
for (i = 0; i < vector_count(indevices); i++) {
// Check if all capture data is valid
if (capture_online(vector_item(indevices, i), outfile) != 0)
return 1;
}
// Remove Input files vector
vector_destroy(infiles);
// More arguments pending!
if (argv[optind]) {
// Assume first pending argument is match expression
match_expr = argv[optind++];
// Try to build the bpf filter string with the rest
memset(bpf, 0, sizeof(bpf));
for (i = optind; i < argc; i++)
sprintf(bpf + strlen(bpf), "%s ", argv[i]);
// Check if this BPF filter is valid
if (capture_set_bpf_filter(bpf) != 0) {
// BPF Filter invalid, check incluiding match_expr
match_expr = 0; // There is no need to parse all payload at this point
// Build the bpf filter string
memset(bpf, 0, sizeof(bpf));
for (i = optind - 1; i < argc; i++)
sprintf(bpf + strlen(bpf), "%s ", argv[i]);
// Check bpf filter is valid again
if (capture_set_bpf_filter(bpf) != 0) {
fprintf(stderr, "Couldn't install filter %s: %s\n", bpf, capture_last_error());
return 1;
}
}
// Set the capture filter
if (match_expr)
if (sip_set_match_expression(match_expr, match_insensitive, match_invert)) {
fprintf(stderr, "Unable to parse expression %s\n", match_expr);
return 1;
}
}
// Start a capture thread
if (capture_launch_thread() != 0) {
ncurses_deinit();
fprintf(stderr, "Failed to launch capture thread.\n");
return 1;
}
if (!no_interface) {
// Initialize interface
ncurses_init();
// This is a blocking call.
// Create the first panel and wait for user input
ui_create_panel(PANEL_CALL_LIST);
ui_wait_for_input();
} else {
setbuf(stdout, NULL);
while(capture_is_running()) {
if (!quiet)
printf("\rDialog count: %d", sip_calls_count());
usleep(500 * 1000);
}
if (!quiet)
printf("\rDialog count: %d\n", sip_calls_count());
}
// Capture deinit
capture_deinit();
// Deinitialize interface
ncurses_deinit();
// Deinitialize configuration options
deinit_options();
// Deallocate sip stored messages
sip_deinit();
// Leaving!
return 0;
}