toaruos/apps/gsudo.c

123 lines
3.4 KiB
C

/* vim: tabstop=4 shiftwidth=4 noexpandtab
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2014-2017 K. Lange
*
* gsudo - graphical implementation of sudo
*
* probably even less secure than the original
*
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <toaru/auth.h>
#include <toaru/yutani.h>
#include <toaru/graphics.h>
#include <toaru/sdf.h>
#define main __main_unused
#include "sudo.c"
#undef main
#define FONT_SIZE_MAIN 20
#define FONT_SIZE_PASSWD 25
static yutani_t * yctx;
static gfx_context_t * ctx;
static yutani_window_t * window;
static int graphical_callback(char * username, char * password, int fails, char * argv[]) {
int i = 0;
while (1) {
draw_fill(ctx, rgba(0,0,0,200));
int h = ctx->height-1;
int w = ctx->width-1;
draw_line(ctx, 0,0,0,h, rgb(255,0,0));
draw_line(ctx, w,w,0,h, rgb(255,0,0));
draw_line(ctx, 0,w,0,0, rgb(255,0,0));
draw_line(ctx, 0,w,h,h, rgb(255,0,0));
char prompt_message[512];
sprintf(prompt_message, "Enter password for '%s'", username);
draw_sdf_string(ctx, (ctx->width - draw_sdf_string_width(prompt_message, FONT_SIZE_MAIN, SDF_FONT_THIN)) / 2, 20, prompt_message, FONT_SIZE_MAIN, rgb(255, 255, 255), SDF_FONT_THIN);
sprintf(prompt_message, "requested by %s", argv[1]);
draw_sdf_string(ctx, (ctx->width - draw_sdf_string_width(prompt_message, FONT_SIZE_MAIN, SDF_FONT_THIN)) / 2, 150, prompt_message, FONT_SIZE_MAIN, rgb(255, 255, 255), SDF_FONT_THIN);
if (fails) {
sprintf(prompt_message, "Try again. %d failures.", fails);
draw_sdf_string(ctx, (ctx->width - draw_sdf_string_width(prompt_message, FONT_SIZE_MAIN, SDF_FONT_THIN)) / 2, 50, prompt_message, FONT_SIZE_MAIN, rgb(255, 0, 0), SDF_FONT_THIN);
}
char password_circles[512] = {0};;
strcpy(password_circles, "");
for (unsigned int i = 0; i < strlen(password) && i < 512/4; ++i) {
strcat(password_circles, "\007");
}
draw_sdf_string(ctx, (ctx->width - draw_sdf_string_width(password_circles, FONT_SIZE_PASSWD, SDF_FONT_THIN)) / 2, 80, password_circles, FONT_SIZE_PASSWD, rgb(255, 255, 255), SDF_FONT_THIN);
flip(ctx);
yutani_flip(yctx, window);
yutani_msg_t * msg = yutani_poll(yctx);
switch (msg->type) {
case YUTANI_MSG_KEY_EVENT:
{
struct yutani_msg_key_event * ke = (void*)msg->data;
if (ke->event.action == KEY_ACTION_DOWN) {
if (ke->event.keycode == KEY_ESCAPE) {
return 1;
}
if (ke->event.keycode == '\n') {
return 0;
} else if (ke->event.key == 8) {
if (i > 0) i--;
password[i] = '\0';
} else if (ke->event.key) {
password[i] = ke->event.key;
password[i+1] = '\0';
i++;
}
}
}
break;
}
}
}
int main(int argc, char ** argv) {
if (argc < 2) {
return 1;
}
yctx = yutani_init();
if (!yctx) {
fprintf(stderr, "%s: could not connect to compositor\n", argv[0]);
return 1;
}
int width = 300;
int height = 200;
int left = (yctx->display_width - width) / 2;
int top = (yctx->display_height - height) / 2;
window = yutani_window_create(yctx, width, height);
yutani_window_move(yctx, window, left, top);
yutani_window_advertise(yctx, window, "gsudo");
ctx = init_graphics_yutani_double_buffer(window);
return sudo_loop(graphical_callback, argv);
}