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http://cvs.openssl.org/chngview?cn=19053 made me wonder if bind() and

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connect() are as finicky as sendto() when it comes to socket address
length. As it turned out they are, therefore the fix. Note that you
can't reproduce the problem on Linux, it was failing on Solaris,
FreeBSD, most likely on more...
This commit is contained in:
Andy Polyakov
2010-01-07 13:12:30 +00:00
parent 9b5ca55695
commit 25d1d62275
1 changed files with 8 additions and 5 deletions
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13
crypto/bio/b_sock.c
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@@ -606,7 +606,7 @@ int BIO_get_accept_socket(char *host, int bind_mode)
struct sockaddr_in6 sa_in6;
#endif
} server,client;
int s=INVALID_SOCKET,cs;
int s=INVALID_SOCKET,cs,addrlen;
unsigned char ip[4];
unsigned short port;
char *str=NULL,*e;
@@ -677,8 +677,10 @@ int BIO_get_accept_socket(char *host, int bind_mode)
if ((*p_getaddrinfo.f)(h,p,&hint,&res)) break;
memcpy(&server, res->ai_addr,
res->ai_addrlen<=sizeof(server)?res->ai_addrlen:sizeof(server));
addrlen = res->ai_addrlen<=sizeof(server) ?
res->ai_addrlen :
sizeof(server);
memcpy(&server, res->ai_addr, addrlen);
(*p_freeaddrinfo.f)(res);
goto again;
@@ -690,6 +692,7 @@ int BIO_get_accept_socket(char *host, int bind_mode)
memset((char *)&server,0,sizeof(server));
server.sa_in.sin_family=AF_INET;
server.sa_in.sin_port=htons(port);
addrlen = sizeof(server.sa_in);
if (h == NULL || strcmp(h,"*") == 0)
server.sa_in.sin_addr.s_addr=INADDR_ANY;
@@ -723,7 +726,7 @@ again:
bind_mode=BIO_BIND_NORMAL;
}
#endif
if (bind(s,&server.sa,sizeof(server)) == -1)
if (bind(s,&server.sa,addrlen) == -1)
{
#ifdef SO_REUSEADDR
err_num=get_last_socket_error();
@@ -751,7 +754,7 @@ again:
if (cs != INVALID_SOCKET)
{
int ii;
ii=connect(cs,&client.sa,sizeof(client));
ii=connect(cs,&client.sa,addrlen);
closesocket(cs);
if (ii == INVALID_SOCKET)
{