j1

j1-Passwoerter/CMakeLists.txt

@@ -1,2 +1,4 @@
 file(GLOB J1SOURCES "src/*.c")
+file(GLOB ACLSOURCES "../lib/acl/src/*.c")
 add_executable(j1 ${J1SOURCES} ${ACLSOURCES})
+target_link_libraries(j1 PRIVATE m)

j1-Passwoerter/src/main.c

@@ -1,4 +1,58 @@
 #include <stdio.h>
-int main() {
-	printf("hey");
+#include <acl/file.h>
+#include <string.h>
+#include <stddef.h>
+#include <acl/array.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#define wordCount 3 // Anzahl der Wörter des Passworts
+#define randomInt_len (2 * wordCount)
+#define wordsForPass_len randomInt_len / 2
+void pointerCheck(void *pointer) {
+	if(pointer == NULL) {
+		perror("Error: ");
+		exit(-1);
+	}
+}
+
+int main() {
+	bool sucess;
+	char *woerterText = acl_ReadTextFile("wörter.txt", &sucess);
+	if(!sucess) perror("Error: ");
+	unsigned len = strlen(woerterText);
+	uintptr_t dest = (uintptr_t)woerterText + len;
+	char **woerter = acl_arraylist_create(1, sizeof *woerter);
+	pointerCheck(woerter);
+	woerter[0] = woerterText;
+	for(char *i = woerterText; (uintptr_t)i < dest; ++i) {
+		if(*i == '\n') {
+			char *nextWord = i + 1;
+			woerter = acl_arraylist_append(woerter, &nextWord);
+			pointerCheck(woerter);
+			*i = '\0';
+		}
+	}
+	FILE *randomFile = fopen("/dev/random", "rb");
+	uint32_t randomInt[randomInt_len];
+	fread(randomInt, sizeof *randomInt, randomInt_len, randomFile);
+	size_t passLen = wordsForPass_len + 1; // weil Ziffern im Passwort gleich oft vorkommen wie Wörter. + 1 für ein Satzzeichen am Ende
+	char *wordsForPass[wordsForPass_len];
+	for(uint32_t i = 0; i < wordsForPass_len; ++i) {
+		wordsForPass[i] = woerter[randomInt[i] % acl_arraylist_len(woerter)];
+		passLen += strlen(wordsForPass[i]);
+	}
+	char *password = malloc(passLen + 1);
+	password[0] = '\0';
+	uint32_t j = 0;
+	for(uint32_t i = wordsForPass_len; i < randomInt_len; ++i, ++j) {
+		char buf[2];
+		buf[1] = '\0';
+		sprintf(buf, "%" PRIu32, randomInt[i] % 10);
+		strcat(password, buf);
+		strcat(password, wordsForPass[j]);
+	}
+	const char specialCharacter[] = {'?', '.', ',', '!', ';'};
+	char randomSpecialCharacter[] = {specialCharacter[randomInt[randomInt_len - 1] % (sizeof specialCharacter - 1)], '\0'};
+	printf("%s", strcat(password, randomSpecialCharacter));
 }