NTLM single-sign on adjustments (V)

const char *serverlogfile = DEFAULT_LOGFILE;

/*

 * Returns an allocated buffer with printable representation of input

 * buffer contents or returns NULL on out of memory condition.

 */

static char *printable(char *inbuf, size_t inlength)

{

  char *outbuf;

  char *newbuf;

  size_t newsize;

  size_t outsize;

  size_t outincr = 0;

  size_t i, o = 0;

#define HEX_FMT_STR  "[0x%02X]"

#define HEX_STR_LEN  6

#define NOTHING_STR  "[NOTHING]"

#define NOTHING_LEN  9

  if(!inlength)

    inlength = strlen(inbuf);

  if(inlength) {

    outincr = ((inlength/2) < (HEX_STR_LEN+1)) ? HEX_STR_LEN+1 : inlength/2;

    outsize = inlength + outincr;

  }

  else

    outsize = NOTHING_LEN + 1;

  outbuf = malloc(outsize);

  if(!outbuf)

    return NULL;

  if(!inlength) {

    sprintf(&outbuf[0], "%s", NOTHING_STR);

    return outbuf;

  }

  for(i=0; i<inlength; i++) {

    if(o > outsize - (HEX_STR_LEN + 1)) {

      newsize = outsize + outincr;

      newbuf = realloc(outbuf, newsize);

      if(!newbuf) {

        free(outbuf);

        return NULL;

      }

      outbuf = newbuf;

      outsize = newsize;

    }

    if((inbuf[i] > 0x20) && (inbuf[i] < 0x7F)) {

      outbuf[o] = inbuf[i];

      o++;

    }

    else {

      sprintf(&outbuf[o], HEX_FMT_STR, inbuf[i]);

      o += HEX_STR_LEN;

    }

  }

  outbuf[o] = '\0';

  return outbuf;

}

int main(int argc, char *argv[])

{

  char buf[1024];

  char *helper_proto = (char *)"unknown";

  char *helper_domain = (char *)"unknown";

  bool use_cached_creds = FALSE;

  char *msgbuf;

  buf[0] = '\0';

  while(argc > arg) {

    if(!strcmp("--use-cached-creds", argv[arg])) {

    }

    else {

      printf("Unknown request\n");

      logmsg("invalid input: %s\n", buf);

      msgbuf = printable(buf, 0);

      if(msgbuf) {

        logmsg("invalid input: '%s'\n", msgbuf);

        free(msgbuf);

      }

      else

        logmsg("OOM formatting invalid input: '%s'\n", buf);

      exit(1);

    }

  }