user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r14
  xor    %eax,%eax
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edi,%ebx
  call   <geteuid@plt>
  mov    %eax,%edi
  call   <setuid@plt>
  cmp    $0x1,%ebx
  jle    L158
  mov    0x8(%rbp),%r12
  lea    D66(%rip),%rsi
  mov    %r12,%rdi
  call   <strcasecmp@plt>
  test   %eax,%eax
  je     L101
  lea    D37(%rip),%rsi
  mov    %r12,%rdi
  call   <strcasecmp@plt>
  test   %eax,%eax
  je     L84
  mov    %r12,%rdi
  lea    D143(%rip),%rsi
  call   <strcasecmp@plt>
  mov    %r12,%rdi
  lea    D157(%rip),%rsi
  mov    %eax,%r13d
  call   <strcasecmp@plt>
  mov    %r12,%rdi
  lea    D360(%rip),%rsi
  mov    %eax,%r14d
  call   <strcasecmp@plt>
  mov    %eax,%r12d
  test   %r14d,%r14d
  jne    L82
  cmp    $0x2,%ebx
  je     L28
  mov    0x10(%rbp),%rax
  cmpb   $0x0,(%rax)
  je     L11
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
L128:
  mov    0x10(%rbp),%rdi
  call   <UpdateRefs@plt>
  lea    D120(%rip),%rdi
  call   <puts@plt>
  lea    D334(%rip),%rdi
  call   <puts@plt>
  mov    0x10(%rbp),%rdi
  call   <ShowRefs@plt>
L63:
  lea    D279(%rip),%rsi
  lea    D78(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D128(%rip),%rdi
  call   <puts@plt>
  jmp    L184
L158:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
L136:
  call   <ShowStats@plt>
L184:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L82:
  test   %eax,%eax
  jne    L31
  cmp    $0x2,%ebx
  je     L159
  mov    0x10(%rbp),%rax
  cmpb   $0x0,(%rax)
  jne    L193
L148:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  cmp    $0x1,%r12d
  jne    L54
L3:
  xor    %eax,%eax
  call   <UpdateAllRefs@plt>
  lea    D266(%rip),%rdi
  call   <puts@plt>
  lea    D73(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  call   <ShowAllRefs@plt>
  jmp    L63
L101:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  call   <ShowVersion@plt>
  jmp    L184
L31:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  xor    %edi,%edi
  test   %r13d,%r13d
  setne  %dil
  jmp    L136
L84:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  call   <ShowEnv@plt>
  jmp    L184
L11:
  test   %r12d,%r12d
  je     L90
L28:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  jmp    L3
L90:
  mov    $0x1,%r12d
  jmp    L148
L159:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
L17:
  lea    D212(%rip),%rdi
  call   <puts@plt>
  lea    D57(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  call   <ShowAllRefs@plt>
L209:
  lea    D163(%rip),%rdi
  call   <puts@plt>
  jmp    L63
L54:
  cmp    $0x2,%r12d
  je     L128
  jmp    L17
L193:
  lea    D129(%rip),%rdi
  call   <puts@plt>
  lea    D208(%rip),%rdi
  call   <puts@plt>
  lea    D76(%rip),%rdi
  call   <puts@plt>
  lea    D201(%rip),%rdi
  call   <puts@plt>
  mov    0x10(%rbp),%rdi
  call   <ShowRefs@plt>
  lea    D222(%rip),%rdi
  call   <puts@plt>
  mov    0x10(%rbp),%rsi
  lea    D359(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L209
```

tool_calls: name: disassemble_data
arguments: tag: D66
type: string
name: disassemble_data
arguments: tag: D37
type: string
name: disassemble_data
arguments: tag: D143
type: string
name: disassemble_data
arguments: tag: D157
type: string
name: disassemble_data
arguments: tag: D360
type: string
name: disassemble_data
arguments: tag: D129
type: string
name: disassemble_data
arguments: tag: D208
type: string
name: disassemble_data
arguments: tag: D120
type: string
name: disassemble_data
arguments: tag: D334
type: string
name: disassemble_data
arguments: tag: D279
type: string
name: disassemble_data
arguments: tag: D78
type: string
name: disassemble_data
arguments: tag: D128
type: string
name: disassemble_data
arguments: tag: D266
type: string
name: disassemble_data
arguments: tag: D73
type: string
name: disassemble_data
arguments: tag: D212
type: string
name: disassemble_data
arguments: tag: D57
type: string
name: disassemble_data
arguments: tag: D163
type: string
name: disassemble_data
arguments: tag: D76
type: string
name: disassemble_data
arguments: tag: D201
type: string
name: disassemble_data
arguments: tag: D222
type: string
name: disassemble_data
arguments: tag: D359
type: string

tool: D66: version

tool: D37: env

tool: D143: text

tool: D157: ref_update

tool: D360: ref_show

tool: D129: Content-type: text/html

tool: 

tool: D120: <html><head><title>Finished Updating Ref Page</title></head>

tool: D334: <body><center><h1>Finished Updating Ref Page</h1></center>

tool: D279: http://www.io.org/~rasmus/phpl.cgi?pages/phptools.html

tool: D78: <hr><font size=-1><i><a href="%s">PHP Tools</a> Copyright &copy 1995 Rasmus Lerdorf</i></font><br>


tool: D128: </body></html>

tool: D266: <html><head><title>Finished Updating All URL Ref Pages</title></head>

tool: D73: <body><center><h1>Finished Updating All URL Ref Pages</h1></center>

tool: D212: <html><head><title>Referring URL List for All Pages</title></head>

tool: D57: <body><center><h1>Referring URL List for All Pages</h1></center>

tool: D163: <a href="phplmon.cgi?ref_update">Update Reference URL's for All pages</a><br>

tool: D76: <html><head><title>Referring URL List</title></head>

tool: D201: <body><center><h1>Referring URL List</h1></center>

tool: D222: <a href="phplmon.cgi?ref_show">Show Reference URL's for All pages</a><br>

tool: D359: <a href="phplmon.cgi?ref_update+%s">Update Reference URL's for this page</a><br>


assistant: ```c
int main(int argc, char *argv[]) {
  int fancy;
  int ref;
  int show = 0;
  setuid(geteuid());
  if (argc > 1 && !strcasecmp(argv[1], "version")) {
    puts("Content-type: text/html");
    puts("");
    ShowVersion();
    return (0);
  }
  if (argc > 1 && !strcasecmp(argv[1], "env")) {
    puts("Content-type: text/html");
    puts("");
    ShowEnv();
    return (0);
  }
  if (argc > 1 && !strcasecmp(argv[1], "text"))
    fancy = 0;
  else
    fancy = 1;
  if (argc > 1 && !strcasecmp(argv[1], "ref_update")) {
    if (argc > 2 && strlen(argv[2]))
      ref = 2;
    else
      ref = 1;
  } else
    ref = 0;
  if (argc > 1 && !strcasecmp(argv[1], "ref_show")) {
    if (argc > 2 && strlen(argv[2]))
      show = 2;
    else
      show = 1;
  } else
    show = 0;
  puts("Content-type: text/html");
  puts("");
  if (ref == 1) {
    UpdateAllRefs();
    puts("<html><head><title>Finished Updating All URL Ref Pages</title></head>");
    puts("<body><center><h1>Finished Updating All URL Ref Pages</h1></center>");
    ShowAllRefs();
    printf("<hr><font size=-1><i><a href=\"%s\">PHP Tools</a> Copyright &copy 1995 Rasmus Lerdorf</i></font><br>\n", "http://www.io.org/~rasmus/phpl.cgi?pages/phptools.html");
    puts("</body></html>");
  } else if (ref == 2) {
    UpdateRefs(argv[2]);
    puts("<html><head><title>Finished Updating Ref Page</title></head>");
    puts("<body><center><h1>Finished Updating Ref Page</h1></center>");
    ShowRefs(argv[2]);
    printf("<hr><font size=-1><i><a href=\"%s\">PHP Tools</a> Copyright &copy 1995 Rasmus Lerdorf</i></font><br>\n", "http://www.io.org/~rasmus/phpl.cgi?pages/phptools.html");
    puts("</body></html>");
  } else if (show == 1) {
    puts("<html><head><title>Referring URL List for All Pages</title></head>");
    puts("<body><center><h1>Referring URL List for All Pages</h1></center>");
    ShowAllRefs();
    printf("<a href=\"phplmon.cgi?ref_update\">Update Reference URL's for All pages</a><br>\n");
    printf("<hr><font size=-1><i><a href=\"%s\">PHP Tools</a> Copyright &copy 1995 Rasmus Lerdorf</i></font><br>\n", "http://www.io.org/~rasmus/phpl.cgi?pages/phptools.html");
    puts("</body></html>");
  } else if (show == 2) {
    puts("<html><head><title>Referring URL List</title></head>");
    puts("<body><center><h1>Referring URL List</h1></center>");
    ShowRefs(argv[2]);
    printf("<a href=\"phplmon.cgi?ref_show\">Show Reference URL's for All pages</a><br>\n");
    printf("<a href=\"phplmon.cgi?ref_update+%s\">Update Reference URL's for this page</a><br>\n", argv[2]);
    printf("<a href=\"phplmon.cgi?ref_update\">Update Reference URL's for All pages</a><br>\n");
    printf("<hr><font size=-1><i><a href=\"%s\">PHP Tools</a> Copyright &copy 1995 Rasmus Lerdorf</i></font><br>\n", "http://www.io.org/~rasmus/phpl.cgi?pages/phptools.html");
    puts("</body></html>");
  } else
    ShowStats(fancy);
  return (0);
}
```