user: 请将以下的汇编代码转换成C语言代码:

```asm
<pxy_debug_crt>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <ssl_x509_subject@plt>
  test   %rax,%rax
  je     L13
  mov    %rax,%r12
  mov    %rax,%rsi
  lea    D18(%rip),%rdi
  xor    %eax,%eax
  call   <log_dbg_printf@plt>
  mov    %r12,%rdi
  call   <free@plt>
L13:
  mov    %rbp,%rdi
  call   <ssl_x509_names_to_str@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L20
  mov    %rax,%rsi
  lea    D2(%rip),%rdi
  xor    %eax,%eax
  call   <log_dbg_printf@plt>
  mov    %r12,%rdi
  call   <free@plt>
L20:
  mov    %rsp,%rsi
  mov    %rbp,%rdi
  call   <ssl_x509_fingerprint_sha1@plt>
  cmp    $0xffffffff,%eax
  je     L38
  movzbl 0x2(%rsp),%ecx
  movzbl 0x1(%rsp),%edx
  sub    $0x8,%rsp
  lea    D33(%rip),%rdi
  movzbl 0x8(%rsp),%esi
  movzbl 0x1b(%rsp),%eax
  push   %rax
  movzbl 0x22(%rsp),%eax
  push   %rax
  movzbl 0x29(%rsp),%eax
  push   %rax
  movzbl 0x30(%rsp),%eax
  push   %rax
  movzbl 0x37(%rsp),%eax
  push   %rax
  movzbl 0x3e(%rsp),%eax
  push   %rax
  movzbl 0x45(%rsp),%eax
  push   %rax
  movzbl 0x4c(%rsp),%eax
  push   %rax
  movzbl 0x53(%rsp),%eax
  push   %rax
  movzbl 0x5a(%rsp),%eax
  push   %rax
  movzbl 0x61(%rsp),%eax
  push   %rax
  movzbl 0x68(%rsp),%eax
  push   %rax
  movzbl 0x6f(%rsp),%eax
  push   %rax
  movzbl 0x76(%rsp),%eax
  push   %rax
  movzbl 0x7d(%rsp),%eax
  push   %rax
  xor    %eax,%eax
  movzbl 0x84(%rsp),%r9d
  movzbl 0x83(%rsp),%r8d
  call   <log_dbg_printf@plt>
  sub    $0xffffffffffffff80,%rsp
L23:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L15
  add    $0x28,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L38:
  lea    D19(%rip),%rdi
  call   <log_err_printf@plt>
  jmp    L23
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D18
type_guessed: string
name: disassemble_data
arguments: tag: D2
type_guessed: string
name: disassemble_data
arguments: tag: D33
type_guessed: string
name: disassemble_data
arguments: tag: D19
type_guessed: string

tool: D18: Subject DN: %s


tool: D2: Common Names: %s


tool: D33: Fingerprint: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x


tool: D19: Warning: Error generating X509 fingerprint


assistant: ```c
void pxy_debug_crt(X509 *crt) {
  char *sj = ssl_x509_subject(crt);
  if (sj) {
    log_dbg_printf("Subject DN: %s\n", sj);
    free(sj);
  }
  char *names = ssl_x509_names_to_str(crt);
  if (names) {
    log_dbg_printf("Common Names: %s\n", names);
    free(names);
  }
  unsigned char fpr[20];
  if (ssl_x509_fingerprint_sha1(crt, fpr) == -1) {
    log_err_printf("Warning: Error generating X509 fingerprint\n");
  } else {
    log_dbg_printf("Fingerprint: "
                   "%02x:%02x:%02x:%02x:"
                   "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:"
                   "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
                   fpr[0], fpr[1], fpr[2], fpr[3], fpr[4], fpr[5], fpr[6], fpr[7], fpr[8], fpr[9], fpr[10], fpr[11], fpr[12], fpr[13], fpr[14], fpr[15], fpr[16], fpr[17], fpr[18], fpr[19]);
  }
}
```