auth/storage/storage.c File Reference

#include "class.h"
#include "storage/storage.h"
#include "auth.h"
#include "uuid.h"
#include "user.h"
#include "commons.h"
#include "utils/memory.h"

Include dependency graph for auth/storage/storage.c:

Go to the source code of this file.

Functions
static int	authStorageCtor (void *_this, va_list *params)
static void	authStorageDtor (void *_this)
static int	authStorageAuthenticate (void *_this, Credential cred, Uuid user_index)
	INIT_IFACE (Class, authStorageCtor, authStorageDtor, NULL)
	INIT_IFACE (Auth, authStorageAuthenticate)
	CREATE_CLASS (AuthStorage, NULL, IFACE(Class), IFACE(Auth))

Detailed Description

Author

Georg Hopp

Copyright

Copyright © 2012 Georg Hopp

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file auth/storage/storage.c.

Function Documentation

static int authStorageAuthenticate ( void *  _this, Credential  cred, Uuid  user_index  )

static

Definition at line 50 of file auth/storage/storage.c.

References CRED_PASSWORD, CRED_PWD, FALSE, hash_pw(), HASH_SIZE, MEM_FREE, SALT_SIZE, storageGet(), and TRUE.

{
    AuthStorage this = _this;

    unsigned char   current_hash[HASH_SIZE];
    unsigned char * found_hash  = NULL;
    size_t          nfound_hash = 0;

    if (CRED_PASSWORD != cred->type) {
        return FALSE;
    }

    storageGet(
            this->store,
            (char *)(user_index->uuid).value,
            sizeof((user_index->uuid).value),
            (char **)&found_hash,
            &nfound_hash);

    if (NULL == found_hash || (SALT_SIZE + HASH_SIZE) != nfound_hash) {
        /* user not found or found hash is invalid */
        return FALSE;
    }

    /* found_hash <=> salt+hash */
    if (FALSE == hash_pw(
                CRED_PWD(cred).pass,
                CRED_PWD(cred).npass,
                current_hash,
                &found_hash)) {
        MEM_FREE(found_hash);
        return FALSE;
    }

    if (0 != memcmp(current_hash, found_hash+SALT_SIZE, HASH_SIZE)) {
        MEM_FREE(found_hash);
        return FALSE;
    }

    MEM_FREE(found_hash);
    return TRUE;
}

Here is the call graph for this function:

static int authStorageCtor ( void *  _this, va_list *  params  )

static

Definition at line 33 of file auth/storage/storage.c.

{
    AuthStorage   this = _this;

    this->store = va_arg(*params, Storage);

    return 0;
}

static void authStorageDtor ( void *  _this )

static

Definition at line 44 of file auth/storage/storage.c.

{
}

CREATE_CLASS	(	AuthStorage	,
		NULL	,
		IFACE(Class)	,
		IFACE(Auth)
	)

INIT_IFACE	(	Class	,
		authStorageCtor	,
		authStorageDtor	,
		NULL
	)

INIT_IFACE	(	Auth	,
		authStorageAuthenticate
	)