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/*
 * libpwquality main API code for translation of errors
 *
 * See the end of the file for Copyright and License Information
 */
#include "config.h"

#include <stdio.h>
#include <string.h>

#include "pwquality.h"
#include "pwqprivate.h"

/* Create an error message, the auxerror is generated by the library call
 * and so it can be an arbitrary thing - it does not have to be a pointer
 * to string. Also in future it might be a string that will have to be
 * deallocated inside this function. */
char *
pwquality_strerror(char *buf, size_t len, int rv, char *auxerror)
{
        static char intbuf[PWQ_MAX_ERROR_MESSAGE_LEN];

        if (buf == NULL) {
                buf = intbuf;
                len = sizeof(intbuf);
        }

        switch(rv) {
        case PWQ_ERROR_MEM_ALLOC:
                return _("Memory allocation error");
        case PWQ_ERROR_SAME_PASSWORD:
                return _("The password is the same as the old one");
        case PWQ_ERROR_PALINDROME:
                return _("The password is a palindrome");
        case PWQ_ERROR_CASE_CHANGES_ONLY:
                return _("The password differs with case changes only");
        case PWQ_ERROR_TOO_SIMILAR:
                return _("The password is too similar to the old one");
        case PWQ_ERROR_MIN_DIGITS:
                if (auxerror) {
                        snprintf(buf, len, _("The password contains less than %d digits"), (int)auxerror);
                        return buf;
                }
                return _("The password contains too few digits");
        case PWQ_ERROR_MIN_UPPERS:
                if (auxerror) {
                        snprintf(buf, len, _("The password contains less than %d uppercase letters"), (int)auxerror);
                        return buf;
                }
                return _("The password contains too few uppercase letters");
        case PWQ_ERROR_MIN_LOWERS:
                if (auxerror) {
                        snprintf(buf, len, _("The password contains less than %d lowercase letters"), (int)auxerror);
                        return buf;
                }
                return _("The password contains too few lowercase letters");
        case PWQ_ERROR_MIN_OTHERS:
                if (auxerror) {
                        snprintf(buf, len, _("The password contains less than %d non-alphanumeric characters"), (int)auxerror);
                        return buf;
                }
                return _("The password contains too few non-alphanumeric characters");
        case PWQ_ERROR_MIN_LENGTH:
                if (auxerror) {
                        snprintf(buf, len, _("The password is shorter than %d characters"), (int)auxerror);
                        return buf;
                }
                return _("The password is too short");
        case PWQ_ERROR_ROTATED:
                return _("The password is just rotated old one");
        case PWQ_ERROR_MIN_CLASSES:
                if (auxerror) {
                        snprintf(buf, len, _("The password contains less than %d character classes"), (int)auxerror);
                        return buf;
                }
                return _("The password does not contain enough character classes");
        case PWQ_ERROR_MAX_CONSECUTIVE:
                if (auxerror) {
                        snprintf(buf, len, _("The password contains more than %d same characters consecutively"), (int)auxerror);
                        return buf;
                }
                return _("The password contains too many same characters consecutively");
        case PWQ_ERROR_EMPTY_PASSWORD:
                return _("No password supplied");
        case PWQ_ERROR_RNG:
                return _("Cannot obtain random numbers from the RNG device");
        case PWQ_ERROR_GENERATION_FAILED:
                return _("Password generation failed - required entropy too low for settings");
        case PWQ_ERROR_CRACKLIB_CHECK:
                if (auxerror) {
                        snprintf(buf, len, "%s - %s", _("The password fails the dictionary check"), auxerror);
                        return buf;
                }
                return _("The password fails the dictionary check");
        default:
                return _("Unknown error");
        }
}


/*
 * Copyright (c) Red Hat, Inc, 2011
 * Copyright (c) Tomas Mraz <tm@t8m.info>, 2011
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, and the entire permission notice in its entirety,
 *    including the disclaimer of warranties.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior
 *    written permission.
 *
 * ALTERNATIVELY, this product may be distributed under the terms of
 * the GNU Public License, in which case the provisions of the GPL are
 * required INSTEAD OF the above restrictions.  (This clause is
 * necessary due to a potential bad interaction between the GPL and
 * the restrictions contained in a BSD-style copyright.)
 *
 * THIS SOFTWARE IS PROVIDED `AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */