diff options
-rw-r--r-- | net/wget.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/wget.c b/net/wget.c index 817c5ebd5d..71bac92d84 100644 --- a/net/wget.c +++ b/net/wget.c @@ -50,6 +50,7 @@ static unsigned long content_length; static unsigned int packets; static unsigned int initial_data_seq_num; +static unsigned int next_data_seq_num; static enum wget_state current_wget_state; @@ -272,17 +273,18 @@ static void wget_connected(uchar *pkt, unsigned int tcp_seq_num, current_wget_state = WGET_TRANSFERRING; + initial_data_seq_num = tcp_seq_num + hlen; + next_data_seq_num = tcp_seq_num + len; + if (strstr((char *)pkt, http_ok) == 0) { debug_cond(DEBUG_WGET, "wget: Connected Bad Xfer\n"); - initial_data_seq_num = tcp_seq_num + hlen; wget_loop_state = NETLOOP_FAIL; wget_send(action, tcp_seq_num, tcp_ack_num, len); } else { debug_cond(DEBUG_WGET, "wget: Connctd pkt %p hlen %x\n", pkt, hlen); - initial_data_seq_num = tcp_seq_num + hlen; pos = strstr((char *)pkt, content_len); if (!pos) { @@ -396,6 +398,12 @@ static void wget_handler(uchar *pkt, u16 dport, "wget: Transferring, seq=%x, ack=%x,len=%x\n", tcp_seq_num, tcp_ack_num, len); + if (next_data_seq_num != tcp_seq_num) { + debug_cond(DEBUG_WGET, "wget: seq=%x packet was lost\n", next_data_seq_num); + return; + } + next_data_seq_num = tcp_seq_num + len; + if (tcp_seq_num >= initial_data_seq_num && store_block(pkt, tcp_seq_num - initial_data_seq_num, len) != 0) { |