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Small cleanups of netio allocated port

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This commit is contained in:
Matt Johnston 2021-03-04 21:02:16 +08:00
parent 934cc87db3
commit 8b0fdf8010
1 changed files with 7 additions and 15 deletions
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22
netio.c
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@ -459,7 +459,7 @@ int dropbear_listen(const char* address, const char* port,
struct linger linger;
int val;
int sock;
u_int16_t *allocated_lport_p = NULL;
uint16_t *allocated_lport_p = NULL;
int allocated_lport = 0;
TRACE(("enter dropbear_listen"))
@ -504,18 +504,15 @@ int dropbear_listen(const char* address, const char* port,
return -1;
}
/*
* when listening on server-assigned-port 0
/* When listening on server-assigned-port 0
* the assigned ports may differ for address families (v4/v6)
* causing problems for tcpip-forward
* caller can do a get_socket_address to discover assigned-port
* hence, use same port for all address families
*/
* causing problems for tcpip-forward.
* Caller can do a get_socket_address to discover assigned-port
* hence, use same port for all address families */
allocated_lport = 0;
nsock = 0;
for (res = res0; res != NULL && nsock < sockcount;
res = res->ai_next) {
if (allocated_lport > 0) {
if (AF_INET == res->ai_family) {
allocated_lport_p = &((struct sockaddr_in *)res->ai_addr)->sin_port;
@ -526,11 +523,8 @@ int dropbear_listen(const char* address, const char* port,
}
/* Get a socket */
socks[nsock] = socket(res->ai_family, res->ai_socktype,
res->ai_protocol);
socks[nsock] = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
sock = socks[nsock]; /* For clarity */
if (sock < 0) {
err = errno;
TRACE(("socket() failed"))
@ -554,7 +548,6 @@ int dropbear_listen(const char* address, const char* port,
}
}
#endif
set_sock_nodelay(sock);
if (bind(sock, res->ai_addr, res->ai_addrlen) < 0) {
@ -576,7 +569,6 @@ int dropbear_listen(const char* address, const char* port,
}
*maxfd = MAX(*maxfd, sock);
nsock++;
}