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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nis/nis_callback.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'nis/nis_callback.c')
-rw-r--r--nis/nis_callback.c65
1 files changed, 30 insertions, 35 deletions
diff --git a/nis/nis_callback.c b/nis/nis_callback.c
index b867b39..e0acd96 100644
--- a/nis/nis_callback.c
+++ b/nis/nis_callback.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -197,22 +197,18 @@ internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
struct nis_cb *cb)
{
struct timeval TIMEOUT = {25, 0};
- bool_t cb_is_running = FALSE;
+ bool_t cb_is_running;
data = cb;
for (;;)
{
- struct pollfd *my_pollfd;
+ struct pollfd my_pollfd[svc_max_pollfd];
int i;
if (svc_max_pollfd == 0 && svc_pollfd == NULL)
return NIS_CBERROR;
- my_pollfd = malloc (sizeof (struct pollfd) * svc_max_pollfd);
- if (__builtin_expect (my_pollfd == NULL, 0))
- return NIS_NOMEMORY;
-
for (i = 0; i < svc_max_pollfd; ++i)
{
my_pollfd[i].fd = svc_pollfd[i].fd;
@@ -220,20 +216,17 @@ internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
my_pollfd[i].revents = 0;
}
- switch (i = __poll (my_pollfd, svc_max_pollfd, 25*1000))
+ switch (i = TEMP_FAILURE_RETRY (__poll (my_pollfd, svc_max_pollfd,
+ 25*1000)))
{
case -1:
- free (my_pollfd);
- if (errno == EINTR)
- continue;
return NIS_CBERROR;
case 0:
- free (my_pollfd);
/* See if callback 'thread' in the server is still alive. */
- memset ((char *) &cb_is_running, 0, sizeof (cb_is_running));
+ cb_is_running = FALSE;
if (clnt_call (bptr->clnt, NIS_CALLBACK, (xdrproc_t) xdr_netobj,
(caddr_t) cookie, (xdrproc_t) xdr_bool,
- (caddr_t) & cb_is_running, TIMEOUT) != RPC_SUCCESS)
+ (caddr_t) &cb_is_running, TIMEOUT) != RPC_SUCCESS)
cb_is_running = FALSE;
if (cb_is_running == FALSE)
@@ -244,7 +237,6 @@ internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
break;
default:
svc_getreq_poll (my_pollfd, i);
- free (my_pollfd);
if (data->nomore)
return data->result;
}
@@ -274,16 +266,15 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
struct nis_cb *cb;
int sock = RPC_ANYSOCK;
struct sockaddr_in sin;
- int len = sizeof (struct sockaddr_in);
- char addr[NIS_MAXNAMELEN + 1];
+ socklen_t len = sizeof (struct sockaddr_in);
unsigned short port;
+ int nomsg = 0;
- cb = (struct nis_cb *) calloc (1, sizeof (struct nis_cb));
+ cb = (struct nis_cb *) calloc (1,
+ sizeof (struct nis_cb) + sizeof (nis_server));
if (__builtin_expect (cb == NULL, 0))
goto failed;
- cb->serv = (nis_server *) calloc (1, sizeof (nis_server));
- if (__builtin_expect (cb->serv == NULL, 0))
- goto failed;
+ cb->serv = (nis_server *) (cb + 1);
cb->serv->name = strdup (nis_local_principal ());
if (__builtin_expect (cb->serv->name == NULL, 0))
goto failed;
@@ -326,15 +317,20 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
cb->serv->ep.ep_val[0].proto = strdup ((flags & USE_DGRAM) ? "udp" : "tcp");
if (__builtin_expect (cb->serv->ep.ep_val[0].proto == NULL, 0))
goto failed;
- cb->xprt = (flags & USE_DGRAM) ? svcudp_bufcreate (sock, 100, 8192) :
- svctcp_create (sock, 100, 8192);
+ cb->xprt = ((flags & USE_DGRAM)
+ ? svcudp_bufcreate (sock, 100, 8192)
+ : svctcp_create (sock, 100, 8192));
+ if (cb->xprt == NULL)
+ {
+ nomsg = 1;
+ goto failed;
+ }
cb->sock = cb->xprt->xp_sock;
if (!svc_register (cb->xprt, CB_PROG, CB_VERS, cb_prog_1, 0))
{
xprt_unregister (cb->xprt);
svc_destroy (cb->xprt);
xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
free (cb);
syslog (LOG_ERR, "NIS+: failed to register callback dispatcher");
return NULL;
@@ -345,30 +341,30 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
xprt_unregister (cb->xprt);
svc_destroy (cb->xprt);
xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
free (cb);
syslog (LOG_ERR, "NIS+: failed to read local socket info");
return NULL;
}
port = ntohs (sin.sin_port);
get_myaddress (&sin);
- snprintf (addr, sizeof (addr), "%s.%d.%d", inet_ntoa (sin.sin_addr),
- (port & 0xFF00) >> 8, port & 0x00FF);
- cb->serv->ep.ep_val[0].uaddr = strdup (addr);
+
+ if (asprintf (&cb->serv->ep.ep_val[0].uaddr, "%s.%d.%d",
+ inet_ntoa (sin.sin_addr), (port & 0xFF00) >> 8, port & 0x00FF)
+ < 0)
+ goto failed;
return cb;
failed:
if (cb)
{
- if (cb->serv)
- {
- xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
- }
+ if (cb->xprt)
+ svc_destroy (cb->xprt);
+ xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
free (cb);
}
- syslog (LOG_ERR, "NIS+: out of memory allocating callback");
+ if (!nomsg)
+ syslog (LOG_ERR, "NIS+: out of memory allocating callback");
return NULL;
}
@@ -379,7 +375,6 @@ __nis_destroy_callback (struct nis_cb *cb)
svc_destroy (cb->xprt);
close (cb->sock);
xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
free (cb);
return NIS_SUCCESS;