[Python-checkins] CVS: python/dist/src/Modules socketmodule.c,1.141,1.141.2.1
Fred L. Drake
fdrake@users.sourceforge.net
Wed, 09 May 2001 12:13:43 -0700
Update of /cvsroot/python/python/dist/src/Modules
In directory usw-pr-cvs1:/tmp/cvs-serv31146/Modules
Modified Files:
Tag: release21-maint
socketmodule.c
Log Message:
Three uses of makesockaddr() used sockaddr buffers that had not be cleared;
this could cause invalid paths to be returned for AF_UNIX sockets on some
platforms (including FreeBSD 4.2-RELEASE), appearantly because there is
no assurance that the address will be nul-terminated when filled in by the
kernel.
This closes SF bug #416573.
Index: socketmodule.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/socketmodule.c,v
retrieving revision 1.141
retrieving revision 1.141.2.1
diff -C2 -r1.141 -r1.141.2.1
*** socketmodule.c 2001/04/16 00:21:33 1.141
--- socketmodule.c 2001/05/09 19:13:40 1.141.2.1
***************
*** 791,794 ****
--- 791,795 ----
if (!getsockaddrlen(s, &addrlen))
return NULL;
+ memset(addrbuf, 0, addrlen);
Py_BEGIN_ALLOW_THREADS
newfd = accept(s->sock_fd, (struct sockaddr *) addrbuf, &addrlen);
***************
*** 1213,1216 ****
--- 1214,1218 ----
if (!getsockaddrlen(s, &addrlen))
return NULL;
+ memset(addrbuf, 0, addrlen);
Py_BEGIN_ALLOW_THREADS
res = getpeername(s->sock_fd, (struct sockaddr *) addrbuf, &addrlen);
***************
*** 1361,1364 ****
--- 1363,1367 ----
return NULL;
Py_BEGIN_ALLOW_THREADS
+ memset(addrbuf, 0, addrlen);
n = recvfrom(s->sock_fd, PyString_AsString(buf), len, flags,
#ifndef MS_WINDOWS