47 lines
1,001 B
C
47 lines
1,001 B
C
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/* stack-smash.c */
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#include <stdio.h>
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#include <stdlib.h>
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#define BUFFER_SIZE 8
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struct user {
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const char *name, *password;
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} const users[] = {{"Cat", "Meowmeow"}, {"Skeletor", "Nyarr"}};
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void print_users() {
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printf("Users:\n");
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for (size_t i = 0; i < sizeof(users) / sizeof(struct user); i++) {
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printf("%s: %s\n", users[i].name, users[i].password);
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}
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}
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void fill(FILE *f, char *where, size_t const limit) {
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size_t read_total = 0;
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for (;; ) {
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size_t read = fread(where + read_total, 1, 1, f);
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if (!read) return;
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read_total += read;
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}
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}
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// void fill(FILE *f, char *where, size_t const limit) {
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// size_t read_total = 0;
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// for (;;) {
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// size_t read = fread(where + read_total, 1, 1, f);
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// if (!read || where[read_total] == '\n') return;
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// read_total += read;
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// }
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// }
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void vulnerable(FILE *f) {
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char buffer[BUFFER_SIZE];
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fill(f, buffer, BUFFER_SIZE);
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}
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int main(int argc, char **argv) {
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vulnerable(stdin);
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puts("nothing happened");
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}
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