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authorUlrich Drepper <drepper@redhat.com>2006-05-18 17:32:19 +0000
committerUlrich Drepper <drepper@redhat.com>2006-05-18 17:32:19 +0000
commitf90de83143e5c0b9ba049323493a6fd5112e9991 (patch)
tree56c265964652203205440c2ba6a9ec16eded67af /nis
parent6e2a7825284e41f2336b0cb5a98609ff486e85fa (diff)
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* nis/nis_callback.c (__nis_create_callback): Use asprinf instead
of snprintf+strdup. Handle OOM. * nis/nis_callback.c (__nis_create_callback): Allocate cb and cb->serv together. Remove now obsolete free calls. (__nis_destroy_callback): Remove now obsolete free call.
Diffstat (limited to 'nis')
-rw-r--r--nis/nis_callback.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/nis/nis_callback.c b/nis/nis_callback.c
index 7d1b9f8e53..86d2a5faeb 100644
--- a/nis/nis_callback.c
+++ b/nis/nis_callback.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2005 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.
@@ -275,15 +275,13 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
int sock = RPC_ANYSOCK;
struct sockaddr_in sin;
socklen_t len = sizeof (struct sockaddr_in);
- char addr[NIS_MAXNAMELEN + 1];
unsigned short port;
- 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;
@@ -334,7 +332,6 @@ __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 register callback dispatcher");
return NULL;
@@ -345,16 +342,17 @@ __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;
@@ -362,10 +360,7 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
if (cb)
{
if (cb->serv)
- {
- xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
- }
+ xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
free (cb);
}
syslog (LOG_ERR, "NIS+: out of memory allocating callback");
@@ -379,7 +374,6 @@ __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;