undefined4 captchacgi_main(void)

{

  char *pcVar1;

  int iVar2;

  code *pcVar3;

  undefined4 uVar4;

  undefined1 auStack_1f8 [216];

  undefined1 auStack_120 [16];

  char acStack_110 [260];

  pcVar1 = getenv("REQUEST_METHOD")   //possible issue identified - semgrep

  if (pcVar1 == (char *)0x0) {

    pcVar1 = "no REQUEST";

LAB_004093b4:

    cgibin_print_http_status(400,"",pcVar1);

    uVar4 = 0xffffffff;

  }

  else {

    iVar2 = strcasecmp(pcVar1,"GET");

    if (iVar2 == 0) {

      pcVar3 = FUN_00409504;

      uVar4 = 0x40;

    }

    else {

      iVar2 = strcasecmp(pcVar1,"POST");

      if (iVar2 != 0) {

        pcVar1 = "unsupported HTTP request";

        goto LAB_004093b4;

      }

      pcVar3 = FUN_00409450;

      uVar4 = 0x400;

    }

    cgibin_parse_request(pcVar3,0,uVar4);

    iVar2 = sess_generate_captcha(auStack_1f8);

    if (iVar2 == 0) {

      printf(

            "HTTP/1.1 200 OK\r\nContent-Type: text/xml\r\n\r\n<?xml version=\"1.0\" encoding=\"utf-8\"?><captcha>\n\t<result>FAIL</result><essage>NO SESSION</message>\n</captcha>"

            );

      uVar4 = 0;

    }

    else {

      sprintf(acStack_110,

              "rndimage -f /htdocs/web/docs/captcha_%d.jpeg -p /usr/sbin/fonts -w 180 -t 40 %s",

              iVar2,auStack_120)   //possible issue identified - semgrep

      uVar4 = 0;

      system(acStack_110)   //possible issue identified - semgrep

      printf("HTTP/1.1 200 OK\r\nContent-Type: text/xml\r\n\r\n<?xml version=\"1.0\" encoding=\"utf-8\"?><captcha><result>OK</result><essage>/docs/captcha_%d.jpeg</message></captcha>"

             ,iVar2);

    }

  }

  FUN_00409200();

  return uVar4;

}