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/* Cleopatre project {{{
 *
 * Copyright (C) 2008 Spidcom
 *
 * <<<Licence>>>
 *
 * }}} */
/**
 * \file    hpav_utests.c
 * \brief   Unitary tests for plcd
 * \ingroup Cleopatre - plcd
 *
 * This file content all the unitary tests for hpav, part of plcd
 * (the interface between the PLC driver and the Linux filesystem).
 */

#include <check.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/time.h>           /* for select() */
#include <linux/if_ether.h>     /* for ETH_ALEN */
#include <unistd.h>
#include <errno.h>
#include "plcd.h"
#include "hpav_utests.h"

#define DEBUG   1

#ifdef DEBUG
#define TRACE(...) printf("HPAV UTESTS: " __VA_ARGS__)
#else
#define TRACE(...)
#endif

/** local defines */
#define MAC_ADDR    "AA:BB:CC:12:34:56"     /* mac addr that will be used for testing */
#define PLC_ADDR    "FF:EE:DD:98:76:54"     /* mac addr that will be used for testing */

/** local variables */
plcd_ctx_t plcd_ctx;
plcd_ctx_t *ctx = &plcd_ctx;

unsigned char msg_buf[ETH_FRAME_LEN];   /* local buffer to store netlink messages */

/*
    ######################################
    #   FUNCTION STUB
    #   (redefinition of glibc functions)
    ######################################
*/
ssize_t sendmsg (int socket, const struct msghdr *message, int flags)
{
    struct nlmsghdr *nlh;

    nlh = (struct nlmsghdr *)(message->msg_iov->iov_base);

    /* store message to local buffer */
    memcpy(msg_buf, nlh, message->msg_iov->iov_len);

    return 1;
}

int recvmsg(int s, struct msghdr *message, int flags)
{
    struct nlmsghdr *nlh;
    MME_t *mme_hdr;

    nlh = (struct nlmsghdr *)(message->msg_iov->iov_base);
    mme_hdr = (MME_t *)NLMSG_DATA(msg_buf);

    /* change mme type to CNF */
    mme_hdr->mmtype = (mme_hdr->mmtype & ~MME_TYPE_MASK) | MME_TYPE_CNF;

    /* copy local buffer to response message */
    memcpy(nlh, msg_buf, message->msg_iov->iov_len);

    return 1;
}

int select(int nfds, fd_set *readfds, fd_set *writefds,
           fd_set *exceptfds, struct timeval *timeout)
{
    return 1;
}



/* fixtures - run before and after each unit test */
void setup(void)
{
    int i;
    char pa[] = PLC_ADDR;
    char *s, *e;

    ctx->hardware_info_path = (char *)malloc(64);
    ctx->hpav_info_path = (char *)malloc(64);
    ctx->hpav_conf_path = (char *)malloc(64);

    /* initialize plcd context */
    strcpy(ctx->hardware_info_path, LIBSPID_HARDWARE_INFO_PATH);
    strcpy(ctx->hpav_info_path, LIBSPID_HPAV_INFO_PATH);
    strcpy(ctx->hpav_conf_path, LIBSPID_HPAV_CONF_PATH);
    ctx->plc_sock = 0;
    ctx->nvram = (spc300_nvram_t *) malloc(sizeof(spc300_nvram_t));
    s = pa;
    for (i = 0; i < 6; ++i)
    {
		ctx->nvram->plc_address[i] = s ? strtoul (s, &e, 16) : 0;
		if (s)
			s = (*e) ? e + 1 : e;
	}

}

void teardown(void)
{
}

/* --- TEST PROCEDURES --- */

/** test procedures */
START_TEST (test_hpav_send_mac_address)
{
    int ret;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);

    //Check arguments
    ret = hpav_send_mac_address(ctx, MAC_ADDR);
    fail_if( ret != 0, "hpav_send_mac_address fail" );
    fail_if( memcmp(payload, MAC_ADDR, ETH_ALEN) != 0, "hpav_send_mac_address sends wrong payload" );

}
END_TEST


START_TEST (test_hpav_send_cco_preferred)
{
    int ret;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    const unsigned char is_cco_preferred = 5;

    ret = hpav_send_cco_preferred (ctx, is_cco_preferred);
    fail_if( ret != 0, "hpav_send_cco_preferred fail" );
    fail_if( memcmp(payload, &is_cco_preferred, 1) != 0, "hpav_send_cco_preferred sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_send_was_cco)
{
    int ret;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    const unsigned char was_cco = 6;

    ret = hpav_send_was_cco(ctx, was_cco);
    fail_if( ret != 0, " fail" );
    fail_if( memcmp(payload, &was_cco, 1) != 0, "hpav_send_was_cco sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_compute_nmk)
{
    /* XXX: TBD */
}
END_TEST

START_TEST (test_hpav_send_key)
{
    int ret;
    int i;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    unsigned char nmk[16];
    unsigned char nid[7];
    char sl[16];
    char c;

    for (i=0; i<16; i++)
        nmk[i] = 0xA;
    for (i=0; i<7; i++)
        nid[i] = 0xE;
    strcpy(sl, LIBSPID_HPAV_CONF_VALUE_SL_HS);
    ret = hpav_send_key(ctx, nmk, nid, sl);
    fail_if( ret != 0, " fail" );

    fail_if( memcmp(payload, nmk, 16) != 0, "hpav_send_key sends wrong nmk" );
    i = 0x1;
    fail_if( memcmp(payload + 16, &i, 1) != 0, "hpav_send_key sends wrong payload" );
    fail_if( memcmp(payload + 16 + 8, &i, 1) != 0, "hpav_send_key sends wrong payload" );
    for (i=0; i<8; i++)
        sl[i] = '\0';
    fail_if( memcmp(payload + 16 + 1, sl, 7) != 0, "hpav_send_key sends wrong payload" );

    ret = hpav_send_key(ctx, nmk, nid, NULL);
    fail_if( ret != 0, " fail" );

    fail_if( memcmp(payload, nmk, 16) != 0, "hpav_send_key sends wrong nmk" );
    c = '\0';
    fail_if( memcmp(payload + 16, &c, 1) != 0, "hpav_send_key sends wrong payload" );
    fail_if( memcmp(payload + 16 + 1, nid, 7) != 0, "hpav_send_key sends wrong payload" );
    fail_if( memcmp(payload + 16 + 1 + 7, &c, 1) != 0, "hpav_send_key sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_compute_dak)
{
    /* XXX: TBD */
}
END_TEST

START_TEST (test_hpav_send_dak)
{
    int ret;
    int i;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    unsigned char dak[16];

    for (i=0; i<16; i++)
        dak[i] = i;

    ret = hpav_send_dak(ctx, &dak);
    fail_if( ret != 0, "hpav_send_dak fail" );
    fail_if( memcmp(payload, &dak, 16) != 0, "hpav_send_dak sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_send_mfg_hfid)
{
    int ret;
    int i;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    char mfg_hfid[64];

    for (i=0; i<64; i++)
        mfg_hfid[i] = i;

    ret = hpav_send_mfg_hfid (ctx, &mfg_hfid);
    fail_if( ret != 0, "hpav_send_mfg_hfid fail" );
    fail_if( memcmp(payload, &mfg_hfid, 64) != 0, "hpav_send_mfg_hfid sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_send_user_hfid)
{
    int ret;
    int i;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    char user_hfid[64];

    for (i=0; i<64; i++)
        user_hfid[i] = i;

    ret = hpav_send_user_hfid(ctx, &user_hfid);
    fail_if( ret != 0, "hpav_send_user_hfid fail" );
    fail_if( memcmp(payload, &user_hfid, 64) != 0, "hpav_send_user_hfid sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_send_avln_hfid)
{
    int ret;
    int i;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    char avln_hfid[64];

    for (i=0; i<64; i++)
        avln_hfid[i] = i;

    ret = hpav_send_avln_hfid(ctx, &avln_hfid);
    fail_if( ret != 0, "hpav_send_avln_hfid fail" );
    fail_if( memcmp(payload, &avln_hfid, 64) != 0, "hpav_send_avln_hfid sends wrong payload" );
}
END_TEST


START_TEST (test_hpav_send_tonemask)
{
    int ret;
    int i;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);
    char tonemask[192];

    for (i=0; i<192; i++)
        tonemask[i] = i;

    ret = hpav_send_tonemask(ctx, &tonemask);
    fail_if( ret != 0, "hpav_send_tonemask fail" );
    fail_if( memcmp(payload, &tonemask, 192) != 0, "hpav_send_tonemask sends wrong payload" );
}
END_TEST

START_TEST (test_hpav_send_start)
{
    int ret;
    struct nlmsghdr *nlh;
    unsigned char *payload= NLMSG_DATA(msg_buf) + sizeof(MME_t);

    ret = hpav_send_start(ctx);
    fail_if( ret != 0, "hpav_send_start fail" );
}
END_TEST

extern Suite* hpav_suite(void)
{
    Suite *s = suite_create("HPAV");
    TCase *tc_core = tcase_create("Core");

    tcase_add_checked_fixture (tc_core, setup, teardown);

    //Test hpav_send_mac_address
    tcase_add_test(tc_core, test_hpav_send_mac_address);

    //Test hpav_send_cco_preferred
    tcase_add_test(tc_core, test_hpav_send_cco_preferred);

    //Test hpav_send_was_cco
    tcase_add_test(tc_core, test_hpav_send_was_cco);

    //Test hpav_compute_nmk
    tcase_add_test(tc_core, test_hpav_compute_nmk);

    //Test hpav_send_key
    tcase_add_test(tc_core, test_hpav_send_key);

    //Test hpav_compute_dak
    tcase_add_test(tc_core, test_hpav_compute_dak);

    //Test hpav_send_dak
    tcase_add_test(tc_core, test_hpav_send_dak);

    //Test hpav_send_mfg_hfid
    tcase_add_test(tc_core, test_hpav_send_mfg_hfid);

    //Test hpav_send_user_hfid
    tcase_add_test(tc_core, test_hpav_send_user_hfid);

    //Test hpav_send_avln_hfid
    tcase_add_test(tc_core, test_hpav_send_avln_hfid);

    //Test hpav_send_tonemask
    tcase_add_test(tc_core, test_hpav_send_tonemask);

    //Test hpav_send_start
    tcase_add_test(tc_core, test_hpav_send_start);

    suite_add_tcase(s, tc_core);
    return s;
}

int main(void)
{
    int number_failed = 0;
    Suite *s;

    //Run hpav tests
    s = hpav_suite();

    SRunner *sr = srunner_create(s);
    //srunner_set_fork_status (sr, CK_NOFORK);
    srunner_set_fork_status (sr, CK_FORK);
    srunner_run_all(sr, CK_NORMAL);
    number_failed = srunner_ntests_failed(sr);
    srunner_free(sr);

    return (number_failed == 0) ? 0 : -1;
}