Initial Commit + Ready2Use Login System

src/main.c

@@ -0,0 +1,116 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <termios.h>
+
+#include "herror.h"
+#include "dynmem.h"
+#include "ui/ui.h"
+
+#define PASS_FILE "./files/KEYS.bin"
+
+void clear_input_buffer(void)
+{
+    int c;
+    while ((c = getchar()) != '\n' && c != EOF)
+        ;
+}
+
+int main(void)
+{
+    char *password = create(char);
+    password = size(password, 256);
+
+    if (password == NULL)
+    {
+        fprintf(stderr, "Memory allocation failure\n");
+        return 1;
+    }
+
+    int fP = readl(PASS_FILE, password, strlen(password));
+    if (fP == -1)
+    {
+        printf("Couldnt find the password file\nWould you like to create a new one? (y/n): ");
+        char c;
+        scanf("%c", &c);
+        clear_input_buffer();
+        if (c == 'y' || c == 'Y')
+        {
+            if (prompPassword(password) == -1)
+            {
+                return 1;
+            }
+            printf("\n");
+
+            int *buffer = create(int);
+            buffer = size(buffer, 256);
+
+            emcryptText(buffer, password);
+            writel(PASS_FILE, buffer, 256 * sizeof(int));
+
+            free(buffer);
+        }
+        else
+        {
+            return 0;
+        }
+    }
+    printf("KeyMaster\nVersion: 0.1\n\n");
+
+    try
+    {
+        int *key = create(int);
+        key = size(key, 256);
+        if (key == NULL)
+        {
+            throw(MEMORY_ALLOC_FAILURE);
+        }
+
+        readl(PASS_FILE, key, 256) == -1 ? throw(FILE_NOT_FOUND) : 0;
+        decryptText(password, key);
+
+        char *askedPass = create(char);
+        askedPass = size(askedPass, 256);
+        if (askedPass == NULL)
+        {
+            throw(MEMORY_ALLOC_FAILURE);
+        }
+
+        for (size_t i = 0; i < 4; i++)
+        {
+            prompPassword(askedPass);
+            if (strcmp(password, askedPass) != 0)
+            {
+                printf("Invalid password, tries left: %zu\n", 2 - i);
+            }
+            else
+            {
+                break;
+            }
+
+            if (i == 2)
+            {
+                printf("Too many tries, exiting...\n");
+                return 1;
+            }
+        }
+
+        printf("Welcome to KeyMaster\n");
+        free(askedPass);
+        free(key);
+    }
+
+    catch (MEMORY_ALLOC_FAILURE)
+    {
+        fprintf(stderr, "Memory allocation failure\n");
+        return 1;
+    }
+    catch (FILE_NOT_FOUND)
+    {
+        fprintf(stderr, "Couldnt find the password file or its empty\n");
+        return 1;
+    }
+    end_try;
+
+    free(password);
+    return 0;
+}