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First fix for "bug #20900 : Potential crash error problem with netconn_peer & netconn_addr". Introduce NETCONN_LISTEN netconn_state and remove obsolete ones (NETCONN_RECV & NETCONN_ACCEPT).

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This commit is contained in:
fbernon 2007-08-27 10:08:53 +00:00
parent 5e7b7cba31
commit 54c1025ec0
4 changed files with 8 additions and 3 deletions
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5
CHANGELOG
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@ -312,6 +312,11 @@ HISTORY
++ Bug fixes: ++ Bug fixes:
2007-08-27 Frédéric Bernon
* api.h, api_lib.c, api_msg.c: First fix for "bug #20900 : Potential crash error
problem with netconn_peer & netconn_addr". Introduce NETCONN_LISTEN netconn_state
and remove obsolete ones (NETCONN_RECV & NETCONN_ACCEPT).
2007-08-24 Kieran Mansley 2007-08-24 Kieran Mansley
* inet.c Modify (acc >> 16) test to ((acc >> 16) != 0) to help buggy * inet.c Modify (acc >> 16) test to ((acc >> 16) != 0) to help buggy
compiler (Paradigm C++) compiler (Paradigm C++)

2
src/api/api_lib.c
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@ -594,7 +594,7 @@ netconn_recv(struct netconn *conn)
if (conn->type == NETCONN_TCP) { if (conn->type == NETCONN_TCP) {
#if LWIP_TCP #if LWIP_TCP
if (conn->pcb.tcp->state == LISTEN) { if (conn->state == NETCONN_LISTEN) {
conn->err = ERR_CONN; conn->err = ERR_CONN;
return NULL; return NULL;
} }

1
src/api/api_msg.c
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@ -676,6 +676,7 @@ do_listen(struct api_msg_msg *msg)
} }
} }
if (msg->conn->err == ERR_OK) { if (msg->conn->err == ERR_OK) {
msg->conn->state = NETCONN_LISTEN;
msg->conn->pcb.tcp = lpcb; msg->conn->pcb.tcp = lpcb;
tcp_arg(msg->conn->pcb.tcp, msg->conn); tcp_arg(msg->conn->pcb.tcp, msg->conn);
tcp_accept(msg->conn->pcb.tcp, accept_function); tcp_accept(msg->conn->pcb.tcp, accept_function);

3
src/include/lwip/api.h
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@ -74,8 +74,7 @@ enum netconn_type {
enum netconn_state { enum netconn_state {
NETCONN_NONE, NETCONN_NONE,
NETCONN_WRITE, NETCONN_WRITE,
NETCONN_ACCEPT, NETCONN_LISTEN,
NETCONN_RECV,
NETCONN_CONNECT, NETCONN_CONNECT,
NETCONN_CLOSE NETCONN_CLOSE
}; };