#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ puts(char *);
void printUsage(char *msg) {
  if (msg != NULL)
    printf("[!] %s\n", msg);
  puts("Usage: ./sockstress <ip>:<port> <interface> [-p payload] [-d delay]");
  puts("\t<ip>\t\tVictim IP address");
  puts("\t<port>\t\tVictim port");
  puts("\t<interface>\tLocal network interface (e.g. eth0)");
  puts("\t-p payload\tFile containing data to send after connecting");
  printf("\t\t\tPayload can be at most %d bytes\n", 1000);
  printf("\t-d delay\tMicroseconds between SYN packets (default: %d)\n",
         (10 * 1000));
  puts("\t-h\t\tHelp menu");
  puts("\n **You must configure your firewall to drop TCP reset packets sent "
       "to <ip>**");
  exit(-1);
}


x86 assembly (clang, -O0):
<printUsage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
cmpq   $0x0,-0x8(%rbp)
je     1159 <printUsage+0x29>
mov    -0x8(%rbp),%rsi
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xea8(%rip),%rdi
call   1030 <puts@plt>
lea    0xee0(%rip),%rdi
call   1030 <puts@plt>
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1b(%rip),%rdi
call   1030 <puts@plt>
lea    0xf49(%rip),%rdi
mov    $0x3e8,%esi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf5a(%rip),%rdi
mov    $0x2710,%esi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf81(%rip),%rdi
call   1030 <puts@plt>
lea    0xf84(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<printUsage>:
push   %rax
test   %rdi,%rdi
je     1147 <printUsage+0x17>
mov    %rdi,%rsi
lea    0xec0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeba(%rip),%rdi
call   1030 <puts@plt>
lea    0xef2(%rip),%rdi
call   1030 <puts@plt>
lea    0xeff(%rip),%rdi
call   1030 <puts@plt>
lea    0xf08(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5b(%rip),%rdi
mov    $0x3e8,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf6c(%rip),%rdi
mov    $0x2710,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf93(%rip),%rdi
call   1030 <puts@plt>
lea    0xf96(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"[!] %s\0A\00"
@.str.1 = [68 x i8] c"Usage: ./sockstress <ip>:<port> <interface> [-p payload] [-d delay]\00"
@.str.2 = [25 x i8] c"\09<ip>\09\09Victim IP address\00"
@.str.3 = [21 x i8] c"\09<port>\09\09Victim port\00"
@.str.4 = [49 x i8] c"\09<interface>\09Local network interface (e.g. eth0)\00"
@.str.5 = [58 x i8] c"\09-p payload\09File containing data to send after connecting\00"
@.str.6 = [36 x i8] c"\09\09\09Payload can be at most %d bytes\0A\00"
@.str.7 = [58 x i8] c"\09-d delay\09Microseconds between SYN packets (default: %d)\0A\00"
@.str.8 = [15 x i8] c"\09-h\09\09Help menu\00"
@.str.9 = [78 x i8] c"\0A **You must configure your firewall to drop TCP reset packets sent to <ip>**\00"
define void @printUsage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = icmp ne i8* %3, null
br i1 %4, label %5, label %8
5: ; preds = %1
%6 = load i8*, i8** %2
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %8
8: ; preds = %5, %1
%9 = call i32 @puts(i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.1, i64 0, i64 0))
%10 = call i32 @puts(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0))
%11 = call i32 @puts(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%12 = call i32 @puts(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.4, i64 0, i64 0))
%13 = call i32 @puts(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0))
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.6, i64 0, i64 0), i32 1000)
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.7, i64 0, i64 0), i32 10000)
%16 = call i32 @puts(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.8, i64 0, i64 0))
%17 = call i32 @puts(i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.9, i64 0, i64 0))
%18 = call i32 @exit(i32 -1)
unreachable
}

LLVM IR (-O2):
@.str = [8 x i8] c"[!] %s\0A\00"
@.str.1 = [68 x i8] c"Usage: ./sockstress <ip>:<port> <interface> [-p payload] [-d delay]\00"
@.str.2 = [25 x i8] c"\09<ip>\09\09Victim IP address\00"
@.str.3 = [21 x i8] c"\09<port>\09\09Victim port\00"
@.str.4 = [49 x i8] c"\09<interface>\09Local network interface (e.g. eth0)\00"
@.str.5 = [58 x i8] c"\09-p payload\09File containing data to send after connecting\00"
@.str.6 = [36 x i8] c"\09\09\09Payload can be at most %d bytes\0A\00"
@.str.7 = [58 x i8] c"\09-d delay\09Microseconds between SYN packets (default: %d)\0A\00"
@.str.8 = [15 x i8] c"\09-h\09\09Help menu\00"
@.str.9 = [78 x i8] c"\0A **You must configure your firewall to drop TCP reset packets sent to <ip>**\00"
define void @printUsage(i8* %0) {
%2 = icmp eq i8* %0, null
br i1 %2, label %5, label %3
3: ; preds = %1
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8* %0)
br label %5
5: ; preds = %3, %1
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([68 x i8], [68 x i8]* @.str.1, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([49 x i8], [49 x i8]* @.str.4, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @.str.5, i64 0, i64 0))
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @.str.6, i64 0, i64 0), i32 1000)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @.str.7, i64 0, i64 0), i32 10000)
%13 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.8, i64 0, i64 0))
%14 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([78 x i8], [78 x i8]* @.str.9, i64 0, i64 0))
%15 = tail call i32 @exit(i32 -1)
unreachable
}