98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
// This is a personal academic project. Dear PVS-Studio, please check it.
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// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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#include "include/challenges.h"
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char too_easy = 'a';
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char genChallenge(FILE * stream, char ** output, challenge_t challenge) {
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printf("------------- DESAFIO -------------\n");
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printf("%s\n\n", challenge.message);
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if (challenge.function != NULL)
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challenge.function();
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printf("\n----- PREGUNTA PARA INVESTIGAR -----\n");
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printf("%s\n\n", challenge.question);
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size_t linecap = 0;
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if (getline(output, &linecap, stream) < 0)
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printSystemError("Challenges: getline()");
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int ans = strcmp(*output, challenge.flag);
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// free(*output);
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return !ans;
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}
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void writeChallenge() {
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if (write(0xd, "................................La respuesta es fk3wfLCm3QvS\n", 61) < 0)
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perror("write");
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}
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void filterChallenge() {
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char * ans = "La respuesta es K5n2UFfpFMUN\n";
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int i = 0;
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while (ans[i] != '\0') {
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int fdRandom = (rand() % (UPPER - LOWER + 1)) + LOWER;
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if (fdRandom == STDOUT_FILENO) {
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if (write(STDOUT_FILENO, ans + i++, 1) < 0)
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printSystemError("Challenges: write()");
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}
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else {
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for (int i = (rand() % (6)) + 1; i > 0; i--) {
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int randNum = 90 * (rand() / (RAND_MAX + 1.0));
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char randLetter = (char) (randNum + '#');
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if (write(STDERR_FILENO, &randLetter, 1) < 0)
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printSystemError("Challenges: write()");
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}
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}
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}
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}
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void questionChallenge() {
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if (write(STDOUT_FILENO, "\33[30;40m", 8) < 0)
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printSystemError("Challenges: write()");
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if (write(STDOUT_FILENO, "La respuesta es BUmyYq5XxXGt", 28) < 0)
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printSystemError("Challenges: write()");
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if (write(STDOUT_FILENO, "\33[0m\n", 5) < 0)
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printSystemError("Challenges: write()");
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}
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void quineChallenge() {
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int outputGCC = system("gcc quine.c -o quine");
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if (outputGCC < 0)
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printSystemError("Challenges: system()");
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if (outputGCC == 0) {
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printf("¡Genial!, ya lograron meter un programa en quine.c, veamos si hace lo que corresponde.\n");
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int outputDIFF = system("./quine | diff quine.c -");
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if (outputDIFF < 0)
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printSystemError("Challenges: system()");
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if (outputDIFF == 0)
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printf("La respuesta es chin_chu_lan_cha\n");
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else
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printf("\ndiff encontró diferencias.\n");
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if (system("rm quine") < 0)
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printSystemError("Challenges: system()");
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}
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else
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printf("\nENTER para reintentar.\n");
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}
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void gdbme(char * output) {
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if (getpid() == 0x12345678) {
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*output = 1;
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}
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else *output = 0;
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}
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void gdbChallenge() {
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char gdbOutput;
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gdbme(&gdbOutput);
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if (gdbOutput)
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printf("La respuesta es gdb_rules\n");
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else
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printf("ENTER para reintentar.\n");
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} |