ICFS/src/ui-socket.c

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2025-03-10 18:09:05 +01:00
/*
ICFS: Interactively Controlled File System
Copyright (C) 2024-2025 Fedir Kovalov
This program can be distributed under the terms of the GNU GPLv2.
See the file LICENSE.
*/
#include <stddef.h>
#include <sys/types.h>
#define _GNU_SOURCE
#include "ui-socket.h"
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
int init_ui_socket(const char *filename) {
char line[256];
FILE *fp;
// Test if Zenity is installed (get version)
fp = popen("zenity --version", "r");
if (fp == NULL) {
perror("Pipe returned a error");
return 1;
} else {
while (fgets(line, sizeof(line), fp))
printf("%s", line);
pclose(fp);
return 0;
}
}
/**
* @param filename: The file that the process is trying to access
* @pram pi: The process information
* @return: 0 if access is denied, 1 if access is allowed, 2 if access is allwed
* for the runtime of the process
*/
int ask_access(const char *filename, struct process_info pi) {
FILE *fp;
size_t command_len =
139 + sizeof(pid_t) * 8 + strlen(pi.name) + strlen(filename);
char *command = (char *)malloc(command_len);
snprintf(command, command_len,
"zenity --question --extra-button \"Allow this time\" --title "
"\"Allow Access?\" --text \"Allow process "
"<tt>%s</tt> with PID <tt>%d</tt> to access <tt>%s</tt>\"",
pi.name, pi.PID, filename);
// Zenity Question Message Popup
fp = popen(command, "r");
free(command);
if (fp == NULL) {
perror("Pipe returned a error");
return -1;
}
// if the user clicks the "Allow this time" button, `zenity` will only
// write it to `stdout`, but the exit code will still be `1`. So, we need
// to manually check the output.
char buffer[1024];
while (fgets(buffer, sizeof(buffer), fp)) {
if (strcmp(buffer, "Allow this time.\n") == 0) {
pclose(fp);
return 2;
}
}
int zenity_exit_code = WEXITSTATUS(pclose(fp));
return zenity_exit_code;
}