import libtirpc-1.1.4-6.el8
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
324d509ded
commit
d81753e5df
154
SOURCES/libtirpc-1.1.4-dos-fix.patch
Normal file
154
SOURCES/libtirpc-1.1.4-dos-fix.patch
Normal file
@ -0,0 +1,154 @@
|
||||
diff --git a/src/rpc_com.h b/src/rpc_com.h
|
||||
index 10bec79..76badef 100644
|
||||
--- a/src/rpc_com.h
|
||||
+++ b/src/rpc_com.h
|
||||
@@ -61,8 +61,7 @@ void __xprt_unregister_unlocked(SVCXPRT *);
|
||||
void __xprt_set_raddr(SVCXPRT *, const struct sockaddr_storage *);
|
||||
|
||||
|
||||
-SVCXPRT **__svc_xports;
|
||||
-int __svc_maxrec;
|
||||
+extern int __svc_maxrec;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
diff --git a/src/svc.c b/src/svc.c
|
||||
index b59467b..3a8709f 100644
|
||||
--- a/src/svc.c
|
||||
+++ b/src/svc.c
|
||||
@@ -57,6 +57,9 @@
|
||||
|
||||
#define max(a, b) (a > b ? a : b)
|
||||
|
||||
+SVCXPRT **__svc_xports;
|
||||
+int __svc_maxrec;
|
||||
+
|
||||
/*
|
||||
* The services list
|
||||
* Each entry represents a set of procedures (an rpc program).
|
||||
@@ -191,6 +194,21 @@ __xprt_do_unregister (xprt, dolock)
|
||||
rwlock_unlock (&svc_fd_lock);
|
||||
}
|
||||
|
||||
+int
|
||||
+svc_open_fds()
|
||||
+{
|
||||
+ int ix;
|
||||
+ int nfds = 0;
|
||||
+
|
||||
+ rwlock_rdlock (&svc_fd_lock);
|
||||
+ for (ix = 0; ix < svc_max_pollfd; ++ix) {
|
||||
+ if (svc_pollfd[ix].fd != -1)
|
||||
+ nfds++;
|
||||
+ }
|
||||
+ rwlock_unlock (&svc_fd_lock);
|
||||
+ return (nfds);
|
||||
+}
|
||||
+
|
||||
/*
|
||||
* Add a service program to the callout list.
|
||||
* The dispatch routine will be called when a rpc request for this
|
||||
diff --git a/src/svc_vc.c b/src/svc_vc.c
|
||||
index c23cd36..1729963 100644
|
||||
--- a/src/svc_vc.c
|
||||
+++ b/src/svc_vc.c
|
||||
@@ -64,6 +64,8 @@
|
||||
|
||||
|
||||
extern rwlock_t svc_fd_lock;
|
||||
+extern SVCXPRT **__svc_xports;
|
||||
+extern int svc_open_fds();
|
||||
|
||||
static SVCXPRT *makefd_xprt(int, u_int, u_int);
|
||||
static bool_t rendezvous_request(SVCXPRT *, struct rpc_msg *);
|
||||
@@ -82,6 +84,7 @@ static void svc_vc_ops(SVCXPRT *);
|
||||
static bool_t svc_vc_control(SVCXPRT *xprt, const u_int rq, void *in);
|
||||
static bool_t svc_vc_rendezvous_control (SVCXPRT *xprt, const u_int rq,
|
||||
void *in);
|
||||
+static int __svc_destroy_idle(int timeout);
|
||||
|
||||
struct cf_rendezvous { /* kept in xprt->xp_p1 for rendezvouser */
|
||||
u_int sendsize;
|
||||
@@ -312,13 +315,14 @@ done:
|
||||
return (xprt);
|
||||
}
|
||||
|
||||
+
|
||||
/*ARGSUSED*/
|
||||
static bool_t
|
||||
rendezvous_request(xprt, msg)
|
||||
SVCXPRT *xprt;
|
||||
struct rpc_msg *msg;
|
||||
{
|
||||
- int sock, flags;
|
||||
+ int sock, flags, nfds, cnt;
|
||||
struct cf_rendezvous *r;
|
||||
struct cf_conn *cd;
|
||||
struct sockaddr_storage addr;
|
||||
@@ -378,6 +382,16 @@ again:
|
||||
|
||||
gettimeofday(&cd->last_recv_time, NULL);
|
||||
|
||||
+ nfds = svc_open_fds();
|
||||
+ if (nfds >= (_rpc_dtablesize() / 5) * 4) {
|
||||
+ /* destroy idle connections */
|
||||
+ cnt = __svc_destroy_idle(15);
|
||||
+ if (cnt == 0) {
|
||||
+ /* destroy least active */
|
||||
+ __svc_destroy_idle(0);
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
return (FALSE); /* there is never an rpc msg to be processed */
|
||||
}
|
||||
|
||||
@@ -819,3 +833,49 @@ __svc_clean_idle(fd_set *fds, int timeout, bool_t cleanblock)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
+
|
||||
+static int
|
||||
+__svc_destroy_idle(int timeout)
|
||||
+{
|
||||
+ int i, ncleaned = 0;
|
||||
+ SVCXPRT *xprt, *least_active;
|
||||
+ struct timeval tv, tdiff, tmax;
|
||||
+ struct cf_conn *cd;
|
||||
+
|
||||
+ gettimeofday(&tv, NULL);
|
||||
+ tmax.tv_sec = tmax.tv_usec = 0;
|
||||
+ least_active = NULL;
|
||||
+ rwlock_wrlock(&svc_fd_lock);
|
||||
+
|
||||
+ for (i = 0; i <= svc_max_pollfd; i++) {
|
||||
+ if (svc_pollfd[i].fd == -1)
|
||||
+ continue;
|
||||
+ xprt = __svc_xports[i];
|
||||
+ if (xprt == NULL || xprt->xp_ops == NULL ||
|
||||
+ xprt->xp_ops->xp_recv != svc_vc_recv)
|
||||
+ continue;
|
||||
+ cd = (struct cf_conn *)xprt->xp_p1;
|
||||
+ if (!cd->nonblock)
|
||||
+ continue;
|
||||
+ if (timeout == 0) {
|
||||
+ timersub(&tv, &cd->last_recv_time, &tdiff);
|
||||
+ if (timercmp(&tdiff, &tmax, >)) {
|
||||
+ tmax = tdiff;
|
||||
+ least_active = xprt;
|
||||
+ }
|
||||
+ continue;
|
||||
+ }
|
||||
+ if (tv.tv_sec - cd->last_recv_time.tv_sec > timeout) {
|
||||
+ __xprt_unregister_unlocked(xprt);
|
||||
+ __svc_vc_dodestroy(xprt);
|
||||
+ ncleaned++;
|
||||
+ }
|
||||
+ }
|
||||
+ if (timeout == 0 && least_active != NULL) {
|
||||
+ __xprt_unregister_unlocked(least_active);
|
||||
+ __svc_vc_dodestroy(least_active);
|
||||
+ ncleaned++;
|
||||
+ }
|
||||
+ rwlock_unlock(&svc_fd_lock);
|
||||
+ return (ncleaned);
|
||||
+}
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
Name: libtirpc
|
||||
Version: 1.1.4
|
||||
Release: 5%{?dist}
|
||||
Release: 6%{?dist}
|
||||
Summary: Transport Independent RPC Library
|
||||
Group: System Environment/Libraries
|
||||
License: SISSL and BSD
|
||||
@ -31,6 +31,12 @@ Patch004: libtirpc-1.1.4-blacklist.patch
|
||||
# bz 1934866
|
||||
Patch005: libtirpc-1.1.4-disallow-auth_refresh.patch
|
||||
|
||||
#
|
||||
# RHEL 8.6
|
||||
#
|
||||
# bz 1940341
|
||||
Patch006: libtirpc-1.1.4-dos-fix.patch
|
||||
|
||||
BuildRequires: automake, autoconf, libtool, pkgconfig
|
||||
BuildRequires: krb5-devel
|
||||
|
||||
@ -150,6 +156,9 @@ mv %{buildroot}%{_mandir}/man3 %{buildroot}%{_mandir}/man3t
|
||||
%{_mandir}/*/*
|
||||
|
||||
%changelog
|
||||
* Thu Dec 2 2021 Steve Dickson <steved@redhat.com> 1.1.4-6
|
||||
- Fix DoS vulnerability in libtirpc (bz 1940341)
|
||||
|
||||
* Sat Apr 17 2021 Steve Dickson <steved@redhat.com> 1.1.4-5
|
||||
- blacklist: Add a few more well known ports (bz 1854147)
|
||||
- Disallow calling auth_refresh from clnt_call with RPCSEC_GSS (bz 1934866)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user