probotic/src/parse.c

#include <stdio.h>
#include <stdlib.h>

#include "creds_parser.h"
#include "utils.h"

/* possibly globalize creds so that we can ensure by using
   atexit that it is always cleansed? */

int
parse_creds(creds_t * creds,
            char const * creds_file)
{
  FILE * stream;
  size_t nread = 0;

  creds->username = NULL;
  creds->password = NULL;

  stream = fopen(creds_file, "r");
  if (stream == NULL)
  { PERROR(PROGN); }

  if (getline(&(creds->username), &nread, stream) < 1)
  {
    ERRMSG("Cannot get username");
    goto fail;
  }

  if (getline(&(creds->password), &nread, stream) < 1)
  {
    ERRMSG("Cannot get password");
    goto fail;
  }

  fclose(stream);
  return 0;

  // Releasing everything in cause of a failure
fail:
  fclose(stream);
  clean_creds(creds);
  return 1;
}

void
clean_creds(creds_t * creds)
{
  /* Should we memset these? */
  free(creds->username);
  creds->username = NULL;

  free(creds->password);
  creds->password = NULL;
}