Esempi in C++ (Cpp) per linker_env_unset

Esempio n. 1

File: linker_environ.cpp Progetto: pinchartl/platform_bionic

static void __remove_unsafe_environment_variables() {
  // None of these should be allowed in setuid programs.
  static const char* const UNSAFE_VARIABLE_NAMES[] = {
      "GCONV_PATH",
      "GETCONF_DIR",
      "HOSTALIASES",
      "LD_AOUT_LIBRARY_PATH",
      "LD_AOUT_PRELOAD",
      "LD_AUDIT",
      "LD_DEBUG",
      "LD_DEBUG_OUTPUT",
      "LD_DYNAMIC_WEAK",
      "LD_LIBRARY_PATH",
      "LD_ORIGIN_PATH",
      "LD_PRELOAD",
      "LD_PROFILE",
      "LD_SHOW_AUXV",
      "LD_USE_LOAD_BIAS",
      "LOCALDOMAIN",
      "LOCPATH",
      "MALLOC_CHECK_",
      "MALLOC_TRACE",
      "NIS_PATH",
      "NLSPATH",
      "RESOLV_HOST_CONF",
      "RES_OPTIONS",
      "TMPDIR",
      "TZDIR",
      NULL
  };
  for (size_t i = 0; UNSAFE_VARIABLE_NAMES[i] != NULL; ++i) {
    linker_env_unset(UNSAFE_VARIABLE_NAMES[i]);
  }
}

Esempio n. 2

File: linker_environ.c Progetto: Tofee/libhybris

/* Remove unsafe environment variables. This should be used when
 * running setuid programs. */
void
linker_env_secure(void)
{
    /* The same list than GLibc at this point */
    static const char* const unsec_vars[] = {
        "GCONV_PATH",
        "GETCONF_DIR",
        "HOSTALIASES",
        "LD_AUDIT",
        "LD_DEBUG",
        "LD_DEBUG_OUTPUT",
        "LD_DYNAMIC_WEAK",
        "LD_LIBRARY_PATH",
        "LD_ORIGIN_PATH",
        "LD_PRELOAD",
        "LD_PROFILE",
        "LD_SHOW_AUXV",
        "LD_USE_LOAD_BIAS",
        "LOCALDOMAIN",
        "LOCPATH",
        "MALLOC_TRACE",
        "MALLOC_CHECK_",
        "NIS_PATH",
        "NLSPATH",
        "RESOLV_HOST_CONF",
        "RES_OPTIONS",
        "TMPDIR",
        "TZDIR",
        "LD_AOUT_LIBRARY_PATH",
        "LD_AOUT_PRELOAD",
    };

    const char* const* cp   = unsec_vars;
    const char* const* endp = cp + sizeof(unsec_vars)/sizeof(unsec_vars[0]);

    while (cp < endp) {
        linker_env_unset(*cp);
        cp++;
    }
}