user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %edi,%r13d
  lea    D2(%rip),%rdi
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x438,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x428(%rsp)
  xor    %eax,%eax
  call   <getsetting@plt>
  mov    %rax,0x8(%rsp)
  test   %rax,%rax
  je     L84
  cmp    $0x2,%r13d
  jle    L63
  mov    0x8(%rbx),%rdi
  lea    0x1c(%rsp),%rdx
  lea    D58(%rip),%rsi
  call   <sscanf@plt>
  mov    0x8(%rsp),%rdi
  call   <fsopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L40
  lea    D21(%rip),%rdi
  lea    0x10(%rbx),%r14
  call   <getsetting@plt>
  lea    D63(%rip),%r15
  mov    %rax,%rbp
  lea    -0x3(%r13),%eax
  lea    0x18(%rbx,%rax,8),%r13
  lea    0x20(%rsp),%rbx
  jmp    L10
  nopw   0x0(%rax,%rax,1)
L128:
  mov    %rbp,%rdx
  mov    %r15,%rsi
  mov    %rbx,%rdi
  xor    %eax,%eax
  call   <sprintf@plt>
L57:
  mov    %rbx,%rdi
  add    $0x8,%r14
  call   <compresspath@plt>
  mov    0x1c(%rsp),%edx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <uchgrp@plt>
  cmp    %r14,%r13
  je     L134
L10:
  mov    (%r14),%rcx
  cmpb   $0x2f,(%rcx)
  je     L52
  test   %rbp,%rbp
  jne    L128
  mov    %rcx,%rdx
  lea    D45(%rip),%rsi
  mov    %rbx,%rdi
  xor    %eax,%eax
  call   <sprintf@plt>
  jmp    L57
  nopl   0x0(%rax,%rax,1)
L52:
  mov    0x1c(%rsp),%edx
  mov    %rcx,%rsi
  mov    %r12,%rdi
  add    $0x8,%r14
  call   <uchgrp@plt>
  cmp    %r14,%r13
  jne    L10
L134:
  mov    %r12,%rdi
  call   <fsclose@plt>
  test   %rbp,%rbp
  je     L36
  mov    %rbp,%rdi
  call   <free@plt>
L36:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  xor    %eax,%eax
L38:
  mov    0x428(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L121
  add    $0x438,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L63:
  mov    (%rbx),%rsi
  lea    D65(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xa,%eax
  jmp    L38
L40:
  mov    0x8(%rsp),%rsi
  lea    D24(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xa,%eax
  jmp    L38
L84:
  lea    D0(%rip),%rdi
  call   <puts@plt>
  mov    $0xa,%eax
  jmp    L38
L121:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D2
type_infered: string
name: disassemble_data
arguments: data_tag: D58
type_infered: string
name: disassemble_data
arguments: data_tag: D21
type_infered: string
name: disassemble_data
arguments: data_tag: D63
type_infered: string
name: disassemble_data
arguments: data_tag: D45
type_infered: string
name: disassemble_data
arguments: data_tag: D65
type_infered: string
name: disassemble_data
arguments: data_tag: D24
type_infered: string
name: disassemble_data
arguments: data_tag: D0
type_infered: string

tool: D2: imagefile

tool: D58: %o

tool: D21: cwd

tool: D63: %s/%s

tool: D45: /%s

tool: D65: Usage: %s <gid> <file> ...


tool: D24: Unable to open %s


tool: D0: Have you run ulogin?

assistant: ```c
int main(int argc, char *argv[]) {
  struct filesystem *f;
  int i;
  int mode;
  char temp[1024];
  char *cwd;
  char *fsname = getsetting("imagefile");
  ;
  if (!fsname) {
    printf("Have you run ulogin?\n");
    return 10;
  }
  if (argc < 3) {
    printf("Usage: %s <gid> <file> ...\n", argv[0]);
    return 10;
  }
  sscanf(argv[1], "%o", &mode);
  f = fsopen(fsname);
  if (!f) {
    printf("Unable to open %s\n", fsname);
    return 10;
  }
  cwd = getsetting("cwd");
  for (i = 2; i < argc; i++) {
    if (argv[i][0] == '/') {
      uchgrp(f, argv[i], mode);
    } else {
      if (!cwd) {
        sprintf(temp, "/%s", argv[i]);
      } else {
        sprintf(temp, "%s/%s", cwd, argv[i]);
      }
      compresspath(temp);
      uchgrp(f, temp, mode);
    }
  }
  fsclose(f);
  if (cwd)
    free(cwd);
  free(fsname);
  return 0;
}
```