X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=net%2Fbootp.c;h=89e30d2c703e2d8423b84c0e9844bee7041dd343;hb=69b0634a4ee98c9791815600d43b99f626a952f3;hp=b760b885b2afe08788b4457e3768b8493db25920;hpb=0e6d798cb313580acd06ba01626687a557c5159f;p=oweals%2Fu-boot.git diff --git a/net/bootp.c b/net/bootp.c index b760b885b2..89e30d2c70 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -31,9 +31,9 @@ #define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */ -#if (CONFIG_COMMANDS & CFG_CMD_NET) +#if defined(CONFIG_CMD_NET) -#define TIMEOUT 5 /* Seconds before trying BOOTP again */ +#define TIMEOUT 5UL /* Seconds before trying BOOTP again */ #ifndef CONFIG_NET_RETRY_COUNT # define TIMEOUT_COUNT 5 /* # of timeouts before giving up */ #else @@ -53,7 +53,7 @@ int BootpTry; ulong seed1, seed2; #endif -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) +#if defined(CONFIG_CMD_DHCP) dhcp_state_t dhcp_state = INIT; unsigned long dhcp_leasetime = 0; IPaddr_t NetDHCPServerIP = 0; @@ -76,12 +76,12 @@ static char *dhcpmsg2str(int type) } #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) +#if defined(CONFIG_BOOTP_VENDOREX) extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */ extern u8 *dhcp_vendorex_proc (u8 *e); /*rtn next e if mine,else NULL */ #endif -#endif /* CFG_CMD_DHCP */ +#endif static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len) { @@ -117,10 +117,17 @@ static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len) */ static void BootpCopyNetParams(Bootp_t *bp) { + IPaddr_t tmp_ip; + NetCopyIP(&NetOurIP, &bp->bp_yiaddr); - NetCopyIP(&NetServerIP, &bp->bp_siaddr); +#if !defined(CONFIG_BOOTP_SERVERIP) + NetCopyIP(&tmp_ip, &bp->bp_siaddr); + if (tmp_ip != 0) + NetCopyIP(&NetServerIP, &bp->bp_siaddr); memcpy (NetServerEther, ((Ethernet_t *)NetRxPkt)->et_src, 6); - copy_filename (BootFile, bp->bp_file, sizeof(BootFile)); +#endif + if (strlen(bp->bp_file) > 0) + copy_filename (BootFile, bp->bp_file, sizeof(BootFile)); debug ("Bootfile: %s\n", BootFile); @@ -143,7 +150,7 @@ static int truncate_sz (const char *name, int maxlen, int curlen) return (curlen); } -#if !(CONFIG_COMMANDS & CFG_CMD_DHCP) +#if !defined(CONFIG_CMD_DHCP) static void BootpVendorFieldProcess (u8 * ext) { @@ -176,7 +183,7 @@ static void BootpVendorFieldProcess (u8 * ext) if (NetOurDNSIP == 0) { NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2)); } -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2) +#if defined(CONFIG_BOOTP_DNS2) if ((NetOurDNS2IP == 0) && (size > 4)) { NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4)); } @@ -263,7 +270,7 @@ static void BootpVendorProcess (u8 * ext, int size) } #ifdef DEBUG_BOOTP_EXT - printf ("[BOOTP] Received fields: \n"); + puts ("[BOOTP] Received fields: \n"); if (NetOurSubnetMask) { puts ("NetOurSubnetMask : "); print_IPaddr (NetOurSubnetMask); @@ -325,7 +332,7 @@ BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) /* Retrieve extended information (we must parse the vendor area) */ if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) - BootpVendorProcess(&bp->bp_vend[4], len); + BootpVendorProcess((uchar *)&bp->bp_vend[4], len); NetSetTimeout(0, (thand_f *)0); @@ -339,7 +346,7 @@ BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) */ NetState = NETLOOP_SUCCESS; return; -#if (CONFIG_COMMANDS & CFG_CMD_NFS) +#if defined(CONFIG_CMD_NFS) } else if (strcmp(s, "NFS") == 0) { /* * Use NFS to load the bootfile. @@ -352,7 +359,7 @@ BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) TftpStart(); } -#endif /* !CFG_CMD_DHCP */ +#endif /* * Timeout on BOOTP/DHCP request. @@ -372,17 +379,17 @@ BootpTimeout(void) /* * Initialize BOOTP extension fields in the request. */ -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) +#if defined(CONFIG_CMD_DHCP) static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP) { u8 *start = e; u8 *cnt; -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) +#if defined(CONFIG_BOOTP_VENDOREX) u8 *x; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME) - uchar *hostname; +#if defined(CONFIG_BOOTP_SEND_HOSTNAME) + char *hostname; #endif *e++ = 99; /* RFC1048 Magic Cookie */ @@ -420,7 +427,7 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R *e++ = tmp >> 8; *e++ = tmp & 0xff; } -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME) +#if defined(CONFIG_BOOTP_SEND_HOSTNAME) if ((hostname = getenv ("hostname"))) { int hostnamelen = strlen (hostname); @@ -431,7 +438,7 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R } #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) +#if defined(CONFIG_BOOTP_VENDOREX) if ((x = dhcp_vendorex_prep (e))) return x - start; #endif @@ -439,33 +446,41 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R *e++ = 55; /* Parameter Request List */ cnt = e++; /* Pointer to count of requested items */ *cnt = 0; -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK) +#if defined(CONFIG_BOOTP_SUBNETMASK) *e++ = 1; /* Subnet Mask */ *cnt += 1; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY) +#if defined(CONFIG_BOOTP_TIMEOFFSET) + *e++ = 2; + *cnt += 1; +#endif +#if defined(CONFIG_BOOTP_GATEWAY) *e++ = 3; /* Router Option */ *cnt += 1; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS) +#if defined(CONFIG_BOOTP_DNS) *e++ = 6; /* DNS Server(s) */ *cnt += 1; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME) +#if defined(CONFIG_BOOTP_HOSTNAME) *e++ = 12; /* Hostname */ *cnt += 1; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE) +#if defined(CONFIG_BOOTP_BOOTFILESIZE) *e++ = 13; /* Boot File Size */ *cnt += 1; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH) +#if defined(CONFIG_BOOTP_BOOTPATH) *e++ = 17; /* Boot path */ *cnt += 1; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN) +#if defined(CONFIG_BOOTP_NISDOMAIN) *e++ = 40; /* NIS Domain name request */ *cnt += 1; +#endif +#if defined(CONFIG_BOOTP_NTPSERVER) + *e++ = 42; + *cnt += 1; #endif *e++ = 255; /* End of the list */ @@ -478,9 +493,9 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R return e - start; } -#else /* CFG_CMD_DHCP */ +#else /* - * Warning: no field size check - change CONFIG_BOOTP_MASK at your own risk! + * Warning: no field size check - change CONFIG_BOOTP_* at your own risk! */ static int BootpExtended (u8 * e) { @@ -491,7 +506,7 @@ static int BootpExtended (u8 * e) *e++ = 83; *e++ = 99; -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) +#if defined(CONFIG_CMD_DHCP) *e++ = 53; /* DHCP Message Type */ *e++ = 1; *e++ = DHCP_DISCOVER; @@ -500,45 +515,45 @@ static int BootpExtended (u8 * e) *e++ = 2; *e++ = (576 - 312 + OPT_SIZE) >> 16; *e++ = (576 - 312 + OPT_SIZE) & 0xff; -#endif /* CFG_CMD_DHCP */ +#endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK) +#if defined(CONFIG_BOOTP_SUBNETMASK) *e++ = 1; /* Subnet mask request */ *e++ = 4; e += 4; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY) +#if defined(CONFIG_BOOTP_GATEWAY) *e++ = 3; /* Default gateway request */ *e++ = 4; e += 4; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS) +#if defined(CONFIG_BOOTP_DNS) *e++ = 6; /* Domain Name Server */ *e++ = 4; e += 4; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME) +#if defined(CONFIG_BOOTP_HOSTNAME) *e++ = 12; /* Host name request */ *e++ = 32; e += 32; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE) +#if defined(CONFIG_BOOTP_BOOTFILESIZE) *e++ = 13; /* Boot file size */ *e++ = 2; e += 2; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH) +#if defined(CONFIG_BOOTP_BOOTPATH) *e++ = 17; /* Boot path */ *e++ = 32; e += 32; #endif -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN) +#if defined(CONFIG_BOOTP_NISDOMAIN) *e++ = 40; /* NIS Domain name request */ *e++ = 32; e += 32; @@ -548,7 +563,7 @@ static int BootpExtended (u8 * e) return e - start; } -#endif /* CFG_CMD_DHCP */ +#endif void BootpRequest (void) @@ -557,7 +572,7 @@ BootpRequest (void) Bootp_t *bp; int ext_len, pktlen, iplen; -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) +#if defined(CONFIG_CMD_DHCP) dhcp_state = INIT; #endif @@ -565,7 +580,7 @@ BootpRequest (void) unsigned char bi_enetaddr[6]; int reg; char *e,*s; - uchar tmp[64]; + char tmp[64]; ulong tst1, tst2, sum, m_mask, m_value = 0; if (BootpTry ==0) { @@ -580,7 +595,7 @@ BootpRequest (void) } } #ifdef DEBUG - printf("BootpRequest => Our Mac: "); + puts ("BootpRequest => Our Mac: "); for (reg=0; reg<6; reg++) { printf ("%x%c", bi_enetaddr[reg], @@ -639,8 +654,7 @@ BootpRequest (void) pkt = NetTxPacket; memset ((void*)pkt, 0, PKTSIZE); - NetSetEther(pkt, NetBcastAddr, PROT_IP); - pkt += ETHER_HDR_SIZE; + pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); /* * Next line results in incorrect packet size being transmitted, resulting @@ -666,11 +680,11 @@ BootpRequest (void) copy_filename (bp->bp_file, BootFile, sizeof(bp->bp_file)); /* Request additional information from the BOOTP/DHCP server */ -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) - ext_len = DhcpExtended(bp->bp_vend, DHCP_DISCOVER, 0, 0); +#if defined(CONFIG_CMD_DHCP) + ext_len = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0); #else - ext_len = BootpExtended(bp->bp_vend); -#endif /* CFG_CMD_DHCP */ + ext_len = BootpExtended((u8 *)bp->bp_vend); +#endif /* * Bootp ID is the lower 4 bytes of our ethernet address @@ -693,17 +707,17 @@ BootpRequest (void) NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); NetSetTimeout(SELECT_TIMEOUT * CFG_HZ, BootpTimeout); -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) +#if defined(CONFIG_CMD_DHCP) dhcp_state = SELECTING; NetSetHandler(DhcpHandler); #else NetSetHandler(BootpHandler); -#endif /* CFG_CMD_DHCP */ +#endif NetSendPacket(NetTxPacket, pktlen); } -#if (CONFIG_COMMANDS & CFG_CMD_DHCP) -static void DhcpOptionsProcess (uchar * popt) +#if defined(CONFIG_CMD_DHCP) +static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) { uchar *end = popt + BOOTP_HDR_SIZE; int oplen, size; @@ -714,12 +728,18 @@ static void DhcpOptionsProcess (uchar * popt) case 1: NetCopyIP (&NetOurSubnetMask, (popt + 2)); break; +#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET) + case 2: /* Time offset */ + NetCopyLong ((ulong *)&NetTimeOffset, (ulong *) (popt + 2)); + NetTimeOffset = ntohl (NetTimeOffset); + break; +#endif case 3: NetCopyIP (&NetOurGatewayIP, (popt + 2)); break; case 6: NetCopyIP (&NetOurDNSIP, (popt + 2)); -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2) +#if defined(CONFIG_BOOTP_DNS2) if (*(popt + 1) > 4) { NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4)); } @@ -737,6 +757,11 @@ static void DhcpOptionsProcess (uchar * popt) memcpy (&NetOurRootPath, popt + 2, size); NetOurRootPath[size] = 0; break; +#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) + case 42: /* NTP server IP */ + NetCopyIP (&NetNtpServerIP, (popt + 2)); + break; +#endif case 51: NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2)); break; @@ -749,8 +774,36 @@ static void DhcpOptionsProcess (uchar * popt) break; case 59: /* Ignore Rebinding Time Option */ break; + case 66: /* Ignore TFTP server name */ + break; + case 67: /* vendor opt bootfile */ + /* + * I can't use dhcp_vendorex_proc here because I need + * to write into the bootp packet - even then I had to + * pass the bootp packet pointer into here as the + * second arg + */ + size = truncate_sz ("Opt Boot File", + sizeof(bp->bp_file), + oplen); + if (bp->bp_file[0] == '\0' && size > 0) { + /* + * only use vendor boot file if we didn't + * receive a boot file in the main non-vendor + * part of the packet - god only knows why + * some vendors chose not to use this perfectly + * good spot to store the boot file (join on + * Tru64 Unix) it seems mind bogglingly crazy + * to me + */ + printf("*** WARNING: using vendor " + "optional boot file\n"); + memcpy(bp->bp_file, popt + 2, size); + bp->bp_file[size] = '\0'; + } + break; default: -#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) +#if defined(CONFIG_BOOTP_VENDOREX) if (dhcp_vendorex_proc (popt)) break; #endif @@ -786,8 +839,7 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer) pkt = NetTxPacket; memset ((void*)pkt, 0, PKTSIZE); - NetSetEther(pkt, NetBcastAddr, PROT_IP); - pkt += ETHER_HDR_SIZE; + pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); iphdr = pkt; /* We'll need this later to set proper pkt size */ pkt += IP_HDR_SIZE; @@ -798,10 +850,15 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer) bp->bp_hlen = HWL_ETHER; bp->bp_hops = 0; bp->bp_secs = htons(get_timer(0) / CFG_HZ); - NetCopyIP(&bp->bp_ciaddr, &bp_offer->bp_ciaddr); /* both in network byte order */ - NetCopyIP(&bp->bp_yiaddr, &bp_offer->bp_yiaddr); - NetCopyIP(&bp->bp_siaddr, &bp_offer->bp_siaddr); - NetCopyIP(&bp->bp_giaddr, &bp_offer->bp_giaddr); + /* Do not set the client IP, your IP, or server IP yet, since it hasn't been ACK'ed by + * the server yet */ + + /* + * RFC3046 requires Relay Agents to discard packets with + * nonzero and offered giaddr + */ + NetWriteIP(&bp->bp_giaddr, 0); + memcpy (bp->bp_chaddr, NetOurEther, 6); /* @@ -813,8 +870,10 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer) /* * Copy options from OFFER packet if present */ - NetCopyIP(&OfferedIP, &bp->bp_yiaddr); - extlen = DhcpExtended(bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP); + + /* Copy offered IP into the parameters request list */ + NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr); + extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP); pktlen = BOOTP_SIZE - sizeof(bp->bp_vend) + extlen; iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; @@ -860,7 +919,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) dhcp_state = REQUESTING; if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) - DhcpOptionsProcess(&bp->bp_vend[4]); + DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); BootpCopyNetParams(bp); /* Store net params from reply */ @@ -875,16 +934,16 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) case REQUESTING: debug ("DHCP State: REQUESTING\n"); - if ( DhcpMessageType(bp->bp_vend) == DHCP_ACK ) { + if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) { char *s; if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) - DhcpOptionsProcess(&bp->bp_vend[4]); + DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); BootpCopyNetParams(bp); /* Store net params from reply */ dhcp_state = BOUND; - printf("DHCP client bound to address "); + puts ("DHCP client bound to address "); print_IPaddr(NetOurIP); - printf("\n"); + putc ('\n'); /* Obey the 'autoload' setting */ if ((s = getenv("autoload")) != NULL) { @@ -895,7 +954,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) */ NetState = NETLOOP_SUCCESS; return; -#if (CONFIG_COMMANDS & CFG_CMD_NFS) +#if defined(CONFIG_CMD_NFS) } else if (strcmp(s, "NFS") == 0) { /* * Use NFS to load the bootfile. @@ -910,7 +969,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) } break; default: - printf("DHCP: INVALID STATE\n"); + puts ("DHCP: INVALID STATE\n"); break; } @@ -920,6 +979,6 @@ void DhcpRequest(void) { BootpRequest(); } -#endif /* CFG_CMD_DHCP */ +#endif /* CONFIG_CMD_DHCP */ -#endif /* CFG_CMD_NET */ +#endif /* CONFIG_CMD_NET */