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added DEFCON level parsing capability, with appealing output

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This commit is contained in:
hornet 2025-01-02 01:09:37 +05:00
parent 828fc7d4ed
commit c30e48824e
6 changed files with 330 additions and 56 deletions
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25
ascii/level1 Normal file
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@ -0,0 +1,25 @@
MWMMMWWWWMWMWWMMMMMMWWMWWNMMWWMMMMMMMWMMMM
MWWWWWMMWMMWWWWWN0XNXNNNNKXKXWMMMWMMMMMMWW
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' . . :0K' . .. ..

23
ascii/level2 Normal file
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@ -0,0 +1,23 @@
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23
ascii/level3 Normal file
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@ -0,0 +1,23 @@
..............
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,. ........ .;
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...;. ., ,;cx':,ll'........
... .. .
...

27
ascii/level4 Normal file
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@ -0,0 +1,27 @@
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23
ascii/level5 Normal file
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@ -0,0 +1,23 @@
.,;cloodddoolc:;'...
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265
main.c
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@ -3,6 +3,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <unistd.h>
#include <sys/ioctl.h>
@ -35,6 +36,18 @@
#define M_PI 3.14159265358979323846
/*define DEFCON level stuff */
#define DEFCON_URL "https://defconwarningsystem.com/code.dat"
unsigned int level;
unsigned int cooldown = 1800;
unsigned int cooldown_timer = 0;
bool cooldown_reset = false;
size_t write_data(void *ptr1, size_t size, size_t nmemb, FILE *stream) {
size_t written = fwrite(ptr1, size, nmemb, stream);
return written;
};
/* declare global variables */
rtlsdr_dev_t *dev = NULL;
@ -55,6 +68,20 @@ WINDOW * sdr;
WINDOW * rss;
WINDOW * defcon;
/* startup screen! :3 */
void startup_screen() {
printf("\n\n");
printf(CYAN" █████ ███ ████ \n");
printf(" ░░███ ░░░ ░░███ \n");
printf(" █████ ██████ ████████ ███████ ████ ████████ ██████ ░███ \n");
printf(" ███░░ ███░░███░░███░░███ ░░░███░ ░░███ ░░███░░███ ███░░███ ░███ \n");
printf("░░█████ ░███████ ░███ ░███ ░███ ░███ ░███ ░███ ░███████ ░███ \n");
printf(" ░░░░███░███░░░ ░███ ░███ ░███ ███ ░███ ░███ ░███ ░███░░░ ░███ \n");
printf(" ██████ ░░██████ ████ █████ ░░█████ █████ ████ █████░░██████ █████\n");
printf("░░░░░░ ░░░░░░ ░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░ ░░░░░ ░░░░░░ ░░░░░ \n\n");
printf(" v0.0.1\n" RESET);
}
/* declare reusable functions */
@ -83,19 +110,6 @@ char* readout(const char* command, char* buffer, size_t size) {
return buffer;
}
void startup_screen() {
printf("\n\n");
printf(CYAN" █████ ███ ████ \n");
printf(" ░░███ ░░░ ░░███ \n");
printf(" █████ ██████ ████████ ███████ ████ ████████ ██████ ░███ \n");
printf(" ███░░ ███░░███░░███░░███ ░░░███░ ░░███ ░░███░░███ ███░░███ ░███ \n");
printf("░░█████ ░███████ ░███ ░███ ░███ ░███ ░███ ░███ ░███████ ░███ \n");
printf(" ░░░░███░███░░░ ░███ ░███ ░███ ███ ░███ ░███ ░███ ░███░░░ ░███ \n");
printf(" ██████ ░░██████ ████ █████ ░░█████ █████ ████ █████░░██████ █████\n");
printf("░░░░░░ ░░░░░░ ░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░ ░░░░░ ░░░░░░ ░░░░░ \n\n");
printf(" v0.0.1\n" RESET);
}
/* declare functions for startup checks */
void util_check() {
printf("curl: ");
@ -143,8 +157,8 @@ void defcon_level_check() {
fputc(5, fp);
fclose(fp);
} else {
int last_known = fgetc(fp);
printf("DEFCON level cache file found! last known level: %d\n", last_known);
int last_known_startup = fgetc(fp);
printf("DEFCON level cache file found! last known level: %d\n", last_known_startup);
fclose(fp);
}
}
@ -180,6 +194,7 @@ void rss_sources_check() {
/* making sure program has everything it needs to run, more checks will be introduced as capabilities are added */
void startup_checks() {
printf("######################################################################\n");
printf(MAGENTA"STARTUP CHECKS\n"RESET);
@ -229,9 +244,38 @@ void startup_checks() {
if (RSS_LIST_PRESENT == true && COMMS_AVAILABLE == true && CURL_AVAILABLE == true) {
printf(GREEN"initializing RSS aggregator...\n"RESET);
}
if (COMMS_AVAILABLE == true && CURL_AVAILABLE == true) {
printf(GREEN"initializing DEFCON level parser...\n"RESET);
}
}
/* define functions for dashboard - WIP */
void init_colors() {
start_color();
init_pair(1, COLOR_RED, COLOR_BLACK);
init_pair(2, COLOR_GREEN, COLOR_BLACK);
init_pair(3, COLOR_YELLOW, COLOR_BLACK);
init_pair(4, COLOR_BLUE, COLOR_BLACK);
init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
init_pair(6, COLOR_CYAN, COLOR_BLACK);
init_pair(7, COLOR_WHITE, COLOR_BLACK);
init_pair(8, COLOR_WHITE, COLOR_RED);
init_pair(9, COLOR_WHITE, COLOR_GREEN);
}
void print_centered(WINDOW *win, const char *text) {
int width = getmaxx(win);
int height = getmaxy(win)/2;
int length = strlen(text);
int start_col = (width - length) / 2;
mvwprintw(win, height, start_col, "%s", text);
}
/* define rtl-sdr specific functions and general SDR workflow - WIP */
/* signal analysis function */
void fourier_transform(unsigned char *buf, double *out, int n) {
for (int k = 0; k < n; k++) {
@ -246,26 +290,12 @@ void fourier_transform(unsigned char *buf, double *out, int n) {
}
}
/* define functions for dashboard - WIP */
void init_colors() {
start_color();
init_pair(1, COLOR_RED, COLOR_BLACK);
init_pair(2, COLOR_GREEN, COLOR_BLACK);
init_pair(3, COLOR_YELLOW, COLOR_BLACK);
init_pair(4, COLOR_BLUE, COLOR_BLACK);
init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
init_pair(6, COLOR_CYAN, COLOR_BLACK);
init_pair(7, COLOR_WHITE, COLOR_BLACK);
init_pair(8, COLOR_WHITE, COLOR_RED);
}
void draw_bar_graph(double *data, int size) {
clear();
wclear(sdr);
double max_value = 0.0;
attron(COLOR_PAIR(6));
wattron(sdr, COLOR_PAIR(6));
wprintw(sdr, "center frequency: %.3f MHz gain: %d bandwidth: %.3f MHz", center_freq / (double)MHz, rtlsdr_get_tuner_gain(dev), bandwidth / (double)MHz);
attroff(COLOR_PAIR(6));
wattroff(sdr, COLOR_PAIR(6));
double bottom = center_freq - bandwidth / 2.0;
double step = bandwidth / (double)size;
for (int i = 0; i < size; i++) {
@ -273,20 +303,17 @@ void draw_bar_graph(double *data, int size) {
max_value = data[i];
}
}
attron(COLOR_PAIR(4));
wattron(sdr, COLOR_PAIR(4));
for (int i = 0; i < size; i++) {
mvprintw(i + 1, 0, "%.3f MHz: ", bottom / (double)MHz + i * step / (double)MHz);
mvwprintw(sdr, i + 1, 0, "%.3f MHz: ", bottom / (double)MHz + i * step / (double)MHz);
for (int j = 0; j < data[i] * 50 / max_value; j++) {
printw(">");
wprintw(sdr, ">");
}
}
attroff(COLOR_PAIR(4));
refresh();
wattroff(sdr, COLOR_PAIR(4));
wrefresh(sdr);
}
/* define rtl-sdr specific functions and general SDR workflow - WIP */
void rtl_sdr_processing(unsigned char *buf, int buffer_length) {
int n = buffer_length;
double *out = (double *)malloc(n * sizeof(double));
@ -302,7 +329,7 @@ void rtl_sdr_processing(unsigned char *buf, int buffer_length) {
void rtl_sdr_waterfall() {
bandwidth = 10*MHz;
rtlsdr_set_tuner_bandwidth(dev, bandwidth);
uint32_t buffer_length = 40, n_read = 10; // example buffer length
uint32_t buffer_length = getmaxy(sdr)-2, n_read = 10; // example buffer length
unsigned char *buffer = (unsigned char *)malloc(buffer_length);
rtlsdr_set_center_freq(dev, 104*MHz); //104MHz for testing purposes
center_freq = rtlsdr_get_center_freq(dev);
@ -311,9 +338,77 @@ void rtl_sdr_waterfall() {
usleep(500000);
}
/* RSS feed functions & workflow - WIP */
/* DEFCON level functions */
char fetch_defcon_level() {
CURL *curl;
CURLcode res;
FILE *fp;
unsigned int current_level = 5; //nothing ever happens
unsigned int last_known;
cooldown_timer++;
if(cooldown_timer > cooldown_reset){
cooldown_reset = true;
}
if (cooldown_reset = true) {
curl = curl_easy_init();
if (curl) {
fp = fopen(".last_known_defcon", "w");
if (fp == NULL) {
perror("fopen");
return current_level;
}
curl_easy_setopt(curl, CURLOPT_URL, DEFCON_URL);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
res = curl_easy_perform(curl);
if (res != CURLE_OK) {
fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
} else {
fseek(fp, 0, SEEK_SET);
int ch = fgetc(fp);
if (isdigit(ch)){
current_level = ch - '0'; // read the DEFCON level from the file
last_known = current_level;
}
}
fclose(fp);
curl_easy_cleanup(curl);
} else {
print_centered(defcon, "HTTP request failed :(");
}
return current_level;
}
else {
current_level = last_known;
return current_level;
}
}
void print_file_lines_ncurses(const char *filename, WINDOW *win) {
FILE *file = fopen(filename, "r");
if (file == NULL) {
perror("fopen");
return;
}
char line[256];
int y = 1;
while (fgets(line, sizeof(line), file) != NULL) {
mvwprintw(win, y++, 1, "%s", line);
wrefresh(win);
}
fclose(file);
}
/* main dashboard function */
@ -323,32 +418,90 @@ void start_dashboard() {
noecho();
init_colors();
refresh();
WINDOW * sdr = newwin(term_rows/2, term_cols/2, 1, 1);
WINDOW * rss = newwin(term_rows/2, term_cols/2-2, 1, term_cols/2+2);
WINDOW * sdr = newwin(term_rows/2-2, term_cols/2, 1, 1);
WINDOW * rss = newwin(term_rows-2, term_cols/2-2, 1, term_cols/2+2);
WINDOW * defcon = newwin(term_rows/2, term_cols/2, term_rows/2, 1);
box(sdr, 0, 0);
box(rss, 0, 0);
box(defcon, 0, 0);
wrefresh(sdr);
wrefresh(rss);
wrefresh(defcon);
if (SDR_PRESENT == true) {
do{
while(true) {
/* SDR window */
if (SDR_PRESENT == true) {
rtl_sdr_waterfall();
} while (true);
}
else {
do{
wmove(sdr, 14, 47);
}
else {
wbkgd(sdr, COLOR_PAIR(8));
wprintw(sdr, " SDR NOT AVAILABLE ");
print_centered(sdr, "SDR NOT AVAILABLE");
wrefresh(sdr);
usleep(5000000);
} while (true);
usleep(1000000);
}
/* RSS window */
if (COMMS_AVAILABLE == true && CURL_AVAILABLE == true) {
wbkgd(rss, COLOR_PAIR(9));
print_centered(rss, "RSS FEED AVAILABLE");
wrefresh(rss);
usleep(1000000);
}
else {
wbkgd(rss, COLOR_PAIR(8));
print_centered(rss, "RSS FEEED NOT AVAILABLE");
wrefresh(rss);
usleep(1000000);
}
/* DEFCON window */
if (COMMS_AVAILABLE == true && CURL_AVAILABLE == true) {
level = fetch_defcon_level();
switch(level) {
case 5:
wbkgd(defcon, COLOR_PAIR(4));
print_file_lines_ncurses("./ascii/level5", defcon);
wprintw(defcon, " DEFCON 5 - NOTHING EVER HAPPENS");
break;
case 4:
wbkgd(defcon, COLOR_PAIR(2));
print_file_lines_ncurses("./ascii/level4", defcon);
wprintw(defcon, " DEFCON 4 - UNLIKELY TO HAPPEN");
break;
case 3:
wbkgd(defcon, COLOR_PAIR(5));
print_file_lines_ncurses("./ascii/level3", defcon);
wprintw(defcon, " DEFCON 3 - MAYBE IT WILL HAPPEN");
break;
case 2:
wbkgd(defcon, COLOR_PAIR(3));
print_file_lines_ncurses("./ascii/level2", defcon);
wprintw(defcon, " DEFCON 2 - SOMETHING WILL HAPPEN");
break;
case 1:
wbkgd(defcon, COLOR_PAIR(1));
print_file_lines_ncurses("./ascii/level1", defcon);
wprintw(defcon, " DEFCON 1 - IT IS HAPPENING");
break;
default:
wbkgd(defcon, COLOR_PAIR(4));
print_file_lines_ncurses("./ascii/level5", defcon);
wprintw(defcon, " DEFCON 5 - NOTHING EVER HAPPENS"); //because nothing ever happens
break;
}
wrefresh(defcon);
usleep(1000000);
}
else {
wbkgd(defcon, COLOR_PAIR(8));
print_centered(defcon, "DEFCON CHECK NOT AVAILABLE");
wrefresh(defcon);
usleep(1000000);
}
rtlsdr_close(dev);
endwin();
}
rtlsdr_close(dev);
endwin();
}
int main() {
startup_screen();
startup_checks();