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[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [services/] [bootp.c] - Diff between revs 175 and 406

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Rev 175 Rev 406
Line 51... Line 51...
 
 
/* For Debug */
/* For Debug */
char *dhcpmsg2str(int type)
char *dhcpmsg2str(int type)
{
{
        switch (type) {
        switch (type) {
        case 1: return "DHCPDISCOVER"; break;
        case 1:
        case 2: return "DHCPOFFER"; break;
                return "DHCPDISCOVER";
        case 3: return "DHCPREQUEST"; break;
                break;
        case 4: return "DHCPDECLINE"; break;
        case 2:
        case 5: return "DHCPACK"; break;
                return "DHCPOFFER";
        case 6: return "DHCPNACK"; break;
                break;
        case 7: return "DHCPRELEASE"; break;
        case 3:
        default: return "UNKNOWN/INVALID MSG TYPE"; break;
                return "DHCPREQUEST";
 
                break;
 
        case 4:
 
                return "DHCPDECLINE";
 
                break;
 
        case 5:
 
                return "DHCPACK";
 
                break;
 
        case 6:
 
                return "DHCPNACK";
 
                break;
 
        case 7:
 
                return "DHCPRELEASE";
 
                break;
 
        default:
 
                return "UNKNOWN/INVALID MSG TYPE";
 
                break;
        }
        }
}
}
 
 
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */
extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */
Line 81... Line 97...
        if (len < sizeof (Bootp_t) - OPT_SIZE)
        if (len < sizeof (Bootp_t) - OPT_SIZE)
                retval = -2;
                retval = -2;
        if (bp->bp_op != OP_BOOTREQUEST &&
        if (bp->bp_op != OP_BOOTREQUEST &&
            bp->bp_op != OP_BOOTREPLY &&
            bp->bp_op != OP_BOOTREPLY &&
            bp->bp_op != DHCP_OFFER &&
            bp->bp_op != DHCP_OFFER &&
            bp->bp_op != DHCP_ACK &&
            bp->bp_op != DHCP_ACK && bp->bp_op != DHCP_NAK) {
            bp->bp_op != DHCP_NAK ) {
 
                retval = -3;
                retval = -3;
        }
        }
        if (bp->bp_htype != HWT_ETHER)
        if (bp->bp_htype != HWT_ETHER)
                retval = -4;
                retval = -4;
        if (bp->bp_hlen != HWL_ETHER)
        if (bp->bp_hlen != HWL_ETHER)
Line 121... Line 136...
}
}
 
 
static int truncate_sz (const char *name, int maxlen, int curlen)
static int truncate_sz (const char *name, int maxlen, int curlen)
{
{
        if (curlen >= maxlen) {
        if (curlen >= maxlen) {
                printf("*** WARNING: %s is too long (%d - max: %d) - truncated\n",
                printf
 
                    ("*** WARNING: %s is too long (%d - max: %d) - truncated\n",
                        name, curlen, maxlen);
                        name, curlen, maxlen);
                curlen = maxlen - 1;
                curlen = maxlen - 1;
        }
        }
        return (curlen);
        return (curlen);
}
}
Line 134... Line 150...
 
 
static void BootpVendorFieldProcess(u8 *ext)
static void BootpVendorFieldProcess(u8 *ext)
{
{
    int size = *(ext+1) ;
    int size = *(ext+1) ;
 
 
    debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, *(ext+1));
        debug_ext("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
 
                  *(ext + 1));
 
 
    NetBootFileSize = 0;
    NetBootFileSize = 0;
 
 
    switch (*ext) {
    switch (*ext) {
    /* Fixed length fields */
    /* Fixed length fields */
Line 173... Line 190...
                break;
                break;
        case 11:        /* RPL server - Not yet supported               */
        case 11:        /* RPL server - Not yet supported               */
                break;
                break;
        case 12:        /* Host name                                    */
        case 12:        /* Host name                                    */
                if (NetOurHostName[0] == 0) {
                if (NetOurHostName[0] == 0) {
                    size = truncate_sz("Host Name", sizeof(NetOurHostName), size);
                        size =
 
                            truncate_sz("Host Name", sizeof(NetOurHostName),
 
                                        size);
                    memcpy(&NetOurHostName, ext+2, size);
                    memcpy(&NetOurHostName, ext+2, size);
                    NetOurHostName[size] = 0 ;
                    NetOurHostName[size] = 0 ;
                }
                }
                break;
                break;
        case 13:        /* Boot file size                               */
        case 13:        /* Boot file size                               */
Line 189... Line 208...
                break;
                break;
        case 16:        /* Swap server - Not yet supported              */
        case 16:        /* Swap server - Not yet supported              */
                break;
                break;
        case 17:        /* Root path                                    */
        case 17:        /* Root path                                    */
                if (NetOurRootPath[0] == 0) {
                if (NetOurRootPath[0] == 0) {
                    size = truncate_sz("Root Path", sizeof(NetOurRootPath), size);
                        size =
 
                            truncate_sz("Root Path", sizeof(NetOurRootPath),
 
                                        size);
                    memcpy(&NetOurRootPath, ext+2, size);
                    memcpy(&NetOurRootPath, ext+2, size);
                    NetOurRootPath[size] = 0 ;
                    NetOurRootPath[size] = 0 ;
                }
                }
                break;
                break;
        case 18:        /* Extension path - Not yet supported           */
        case 18:        /* Extension path - Not yet supported           */
Line 205... Line 226...
                break;
                break;
    /* IP host layer fields */
    /* IP host layer fields */
        case 40:        /* NIS Domain name                              */
        case 40:        /* NIS Domain name                              */
                if (NetOurNISDomain[0] == 0) {
                if (NetOurNISDomain[0] == 0) {
                    size = truncate_sz ("NIS Domain Name",
                    size = truncate_sz ("NIS Domain Name",
                                        sizeof(NetOurNISDomain),
                                           sizeof(NetOurNISDomain), size);
                                        size);
 
                    memcpy(&NetOurNISDomain, ext+2, size);
                    memcpy(&NetOurNISDomain, ext+2, size);
                    NetOurNISDomain[size] = 0 ;
                    NetOurNISDomain[size] = 0 ;
                }
                }
                break;
                break;
    /* Application layer fields */
    /* Application layer fields */
Line 230... Line 250...
 
 
    debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size);
    debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size);
 
 
    while ((ext < end) && (*ext != 0xff)) {
    while ((ext < end) && (*ext != 0xff)) {
        if (*ext == 0) {
        if (*ext == 0) {
            ext ++ ;
                        ext++;
        } else {
        } else {
                u8 *opt = ext ;
                u8 *opt = ext ;
                ext += ext[1] + 2 ;
                ext += ext[1] + 2 ;
                if (ext <= end)
                if (ext <= end)
                    BootpVendorFieldProcess (opt) ;
                    BootpVendorFieldProcess (opt) ;
Line 274... Line 294...
}
}
 
 
/*
/*
 *      Handle a BOOTP received packet.
 *      Handle a BOOTP received packet.
 */
 */
static void
static void BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
 
{
{
        Bootp_t *bp;
        Bootp_t *bp;
        char    *s;
        char    *s;
 
 
        debug ("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%d)\n",
        debug ("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%d)\n",
Line 324... Line 343...
#endif  /* !CFG_CMD_DHCP */
#endif  /* !CFG_CMD_DHCP */
 
 
/*
/*
 *      Timeout on BOOTP/DHCP request.
 *      Timeout on BOOTP/DHCP request.
 */
 */
static void
static void BootpTimeout(void)
BootpTimeout(void)
 
{
{
        if (BootpTry >= TIMEOUT_COUNT) {
        if (BootpTry >= TIMEOUT_COUNT) {
                puts ("\nRetry count exceeded; starting again\n");
                puts ("\nRetry count exceeded; starting again\n");
                NetStartAgain ();
                NetStartAgain ();
        } else {
        } else {
Line 340... Line 358...
 
 
/*
/*
 *      Initialize BOOTP extension fields in the request.
 *      Initialize BOOTP extension fields in the request.
 */
 */
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP)
static int DhcpExtended(u8 * e, int message_type, IPaddr_t ServerID,
 
                        IPaddr_t RequestedIP)
{
{
    u8 *start = e ;
    u8 *start = e ;
    u8 *cnt;
    u8 *cnt;
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
    u8 *x;
    u8 *x;
Line 379... Line 398...
            *e++ = RequestedIP >> 24;
            *e++ = RequestedIP >> 24;
            *e++ = RequestedIP >> 16;
            *e++ = RequestedIP >> 16;
            *e++ = RequestedIP >> 8;
            *e++ = RequestedIP >> 8;
            *e++ = RequestedIP & 0xff;
            *e++ = RequestedIP & 0xff;
    }
    }
 
 
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
    if ((x = dhcp_vendorex_prep (e)))
    if ((x = dhcp_vendorex_prep (e)))
        return x - start ;
        return x - start ;
#endif
#endif
 
 
Line 499... Line 517...
 
 
    return e - start ;
    return e - start ;
}
}
#endif  /* CFG_CMD_DHCP */
#endif  /* CFG_CMD_DHCP */
 
 
void
void BootpRequest(void)
BootpRequest (void)
 
{
{
        volatile uchar *pkt, *iphdr;
        volatile uchar *pkt, *iphdr;
        Bootp_t *bp;
        Bootp_t *bp;
        int ext_len, pktlen, iplen;
        int ext_len, pktlen, iplen;
 
 
Line 513... Line 530...
#endif
#endif
 
 
#ifdef CONFIG_BOOTP_RANDOM_DELAY                /* Random BOOTP delay */
#ifdef CONFIG_BOOTP_RANDOM_DELAY                /* Random BOOTP delay */
        unsigned char bi_enetaddr[6];
        unsigned char bi_enetaddr[6];
        int   reg;
        int   reg;
        char  *e,*s;
        char *e, *s;
        uchar tmp[64];
        uchar tmp[64];
        ulong tst1, tst2, sum, m_mask, m_value = 0;
        ulong tst1, tst2, sum, m_mask, m_value = 0;
 
 
        if (BootpTry ==0) {
        if (BootpTry ==0) {
                /* get our mac */
                /* get our mac */
Line 531... Line 548...
                        }
                        }
                }
                }
#ifdef DEBUG
#ifdef DEBUG
                printf("BootpRequest => Our Mac: ");
                printf("BootpRequest => Our Mac: ");
                for (reg=0; reg<6; reg++) {
                for (reg=0; reg<6; reg++) {
                        printf ("%x%c",
                        printf("%x%c", bi_enetaddr[reg], reg == 5 ? '\n' : ':');
                                bi_enetaddr[reg],
 
                                reg==5 ? '\n' : ':');
 
                }
                }
#endif /* DEBUG */
#endif /* DEBUG */
 
 
                /* Mac-Manipulation 2 get seed1 */
                /* Mac-Manipulation 2 get seed1 */
                tst1=0;
                tst1=0;
Line 670... Line 685...
                        case  6:
                        case  6:
                                NetOurDNSIP = *(IPaddr_t *)(popt +2);
                                NetOurDNSIP = *(IPaddr_t *)(popt +2);
                                break;
                                break;
                        case 12:
                        case 12:
                                size = truncate_sz ("Host Name",
                                size = truncate_sz ("Host Name",
                                                    sizeof(NetOurHostName),
                                           sizeof(NetOurHostName), oplen);
                                                    oplen);
 
                                memcpy(&NetOurHostName, popt+2, size);
                                memcpy(&NetOurHostName, popt+2, size);
                                NetOurHostName[size] = 0 ;
                                NetOurHostName[size] = 0 ;
                                break;
                                break;
                        case 15:                /* Ignore Domain Name Option */
                        case 15:                /* Ignore Domain Name Option */
                                break;
                                break;
                        case 17:
                        case 17:
                                size = truncate_sz ("Root Path",
                                size = truncate_sz ("Root Path",
                                                    sizeof(NetOurRootPath),
                                           sizeof(NetOurRootPath), oplen);
                                                    oplen);
 
                                memcpy(&NetOurRootPath, popt+2, size);
                                memcpy(&NetOurRootPath, popt+2, size);
                                NetOurRootPath[size] = 0 ;
                                NetOurRootPath[size] = 0 ;
                                break;
                                break;
                        case 51:
                        case 51:
                                dhcp_leasetime = *(unsigned int *)(popt + 2);
                                dhcp_leasetime = *(unsigned int *)(popt + 2);
Line 760... Line 773...
        bp->bp_id = bp_offer->bp_id;
        bp->bp_id = bp_offer->bp_id;
 
 
        /*
        /*
         * Copy options from OFFER packet if present
         * Copy options from OFFER packet if present
         */
         */
        extlen = DhcpExtended(bp->bp_vend, DHCP_REQUEST, NetServerIP, bp->bp_yiaddr);
        extlen =
 
            DhcpExtended(bp->bp_vend, DHCP_REQUEST, NetServerIP, bp->bp_yiaddr);
 
 
        pktlen = BOOTP_SIZE - sizeof(bp->bp_vend) + extlen;
        pktlen = BOOTP_SIZE - sizeof(bp->bp_vend) + extlen;
        iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
        iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
        NetSetIP(iphdr, 0xffffffffL, PORT_BOOTPS, PORT_BOOTPC, iplen);
        NetSetIP(iphdr, 0xffffffffL, PORT_BOOTPS, PORT_BOOTPC, iplen);
 
 
Line 773... Line 787...
}
}
 
 
/*
/*
 *      Handle DHCP received packets.
 *      Handle DHCP received packets.
 */
 */
static void
static void DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
 
{
{
        Bootp_t *bp = (Bootp_t *)pkt;
        Bootp_t *bp = (Bootp_t *)pkt;
 
 
        debug ("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n",
        debug ("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n",
                src, dest, len, dhcp_state);
                src, dest, len, dhcp_state);
 
 
        if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
        if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
                return;
                return;
 
 
        debug ("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n",
        debug
 
            ("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n",
                src, dest, len, dhcp_state);
                src, dest, len, dhcp_state);
 
 
        switch (dhcp_state) {
        switch (dhcp_state) {
        case SELECTING:
        case SELECTING:
                /*
                /*

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