diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/tftp.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/net/tftp.c b/net/tftp.c index 8b95bcfec4..3dd2b06aae 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -34,7 +34,7 @@ #define TFTP_ERROR 5 #define TFTP_OACK 6 - +static IPaddr_t TftpServerIP; static int TftpServerPort; /* The UDP port at their end */ static int TftpOurPort; /* The UDP port at our end */ static int TftpTimeoutCount; @@ -55,7 +55,14 @@ static int TftpState; #define DEFAULT_NAME_LEN (8 + 4 + 1) static char default_filename[DEFAULT_NAME_LEN]; -static char *tftp_filename; + +#ifndef CONFIG_TFTP_FILE_NAME_MAX_LEN +#define MAX_LEN 128 +#else +#define MAX_LEN CONFIG_TFTP_FILE_NAME_MAX_LEN +#endif + +static char tftp_filename[MAX_LEN]; #ifdef CFG_DIRECT_FLASH_TFTP extern flash_info_t flash_info[]; @@ -231,7 +238,7 @@ TftpSend (void) break; } - NetSendUDPPacket(NetServerEther, NetServerIP, TftpServerPort, TftpOurPort, len); + NetSendUDPPacket(NetServerEther, TftpServerIP, TftpServerPort, TftpOurPort, len); } @@ -372,7 +379,7 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len) #ifdef CONFIG_MCAST_TFTP /* if I am the MasterClient, actively calculate what my next * needed block is; else I'm passive; not ACKING - */ + */ if (Multicast) { if (len < TftpBlkSize) { TftpEndingBlock = TftpBlock; @@ -453,30 +460,43 @@ TftpStart (void) char *ep; /* Environment pointer */ #endif + TftpServerIP = NetServerIP; if (BootFile[0] == '\0') { sprintf(default_filename, "%02lX%02lX%02lX%02lX.img", NetOurIP & 0xFF, (NetOurIP >> 8) & 0xFF, (NetOurIP >> 16) & 0xFF, (NetOurIP >> 24) & 0xFF ); - tftp_filename = default_filename; + + strncpy(tftp_filename, default_filename, MAX_LEN); + tftp_filename[MAX_LEN-1] = 0; printf ("*** Warning: no boot file name; using '%s'\n", tftp_filename); } else { - tftp_filename = BootFile; + char *p = strchr (p, ':'); + + if (p == NULL) { + strncpy(tftp_filename, BootFile, MAX_LEN); + tftp_filename[MAX_LEN-1] = 0; + } else { + *p++ = '\0'; + TftpServerIP = string_to_ip (BootFile); + strncpy(tftp_filename, p, MAX_LEN); + tftp_filename[MAX_LEN-1] = 0; + } } #if defined(CONFIG_NET_MULTI) printf ("Using %s device\n", eth_get_name()); #endif - puts ("TFTP from server "); print_IPaddr (NetServerIP); + puts ("TFTP from server "); print_IPaddr (TftpServerIP); puts ("; our IP address is "); print_IPaddr (NetOurIP); /* Check if we need to send across this subnet */ if (NetOurGatewayIP && NetOurSubnetMask) { - IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; - IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; + IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; + IPaddr_t ServerNet = TftpServerIP & NetOurSubnetMask; if (OurNet != ServerNet) { puts ("; sending through gateway "); @@ -522,7 +542,7 @@ TftpStart (void) /* Revert TftpBlkSize to dflt */ TftpBlkSize = TFTP_BLOCK_SIZE; #ifdef CONFIG_MCAST_TFTP - mcast_cleanup(); + mcast_cleanup(); #endif TftpSend (); |