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authorUlrich Drepper <drepper@redhat.com>2006-04-07 04:29:25 +0000
committerUlrich Drepper <drepper@redhat.com>2006-04-07 04:29:25 +0000
commit0292b0dd6c85436fb10df5a77bde53ad4c298a6b (patch)
treefae98fcd869f6299579f9e8948c2753894d0ed39 /nis
parent6738b3c073c6b8f0ad145d77ba61fc1238256f8d (diff)
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* libio/fmemopen.c (fmemopen): Free stream memory in case of
invalid length [Coverity CID 106]. * nss/nss_files/files-key.c (search): Close stream before successful return [Coverity CID 107]. * io/fts.c (fts_open): Don't allocate parent if *argv==NULL [Coverity CID 108]. * sunrpc/rpc_cout.c (inline_struct): Free sizestr after use [Coverity CID 110, 109]. * sunrpc/rpc_scan.c (docppline): Free file string if it is not going to be used [Coverity CID 111]. * sysdeps/unix/sysv/linux/getsourcefilter.c (getsourcefilter): Free memory if socket level value cannot be retrieved [Coverity CID 112]. * nis/nis_clone_dir.c (nis_clone_directory): Free all memory in error case [Coverity CID 114]. * nis/nis_clone_res.c (nis_clone_result): Free all memory in the error cases [Coverity CID 115]. * sunrpc/rpc_parse.c (get_definition): Free defp if tok == TOK_EOF [Coverity CID 116]. * sysdeps/unix/sysv/linux/setsourcefilter.c (setsourcefilter): Free memory if socket level value cannot be retrieved [Coverity CID 117]. * elf/cache.c (save_cache): Initialize pad to avoid writing uninitialized data to disk. * elf/cache.c (save_cache): Free file_entries_new [Coverity CID 118]. * intl/finddomain.c (_nl_find_domain): Avoid strdup of expand locale name, use strdupa. Remove free call [Coverity CID 119]. * sunrpc/rpc_main.c (generate_guard): Avoid extra allocation and the resulting leak [Coverity CID 121]. * sunrpc/rpc_main.c (mkfile_output): Free all allocated memory [Coverity CID 122]. * sunrpc/rpc_main.c (h_output): Free guard after we are done [Coverity CID 123]. * sunrpc/svc_udp.c (cache_set): Free victim if newbuf allocation fails [Coverity CID 126]. * sunrpc/svc_udp.c (svcudp_enablecache): Free memory in error cases [Coverity CID 127]. * nis/nis_table.c (__create_ib_request): Free ibreq in case strdup fails [Coverity CID 128]. * nis/nis_getservlist.c (nis_getservlist): Free all memory in case of an error [Coverity CID 130, 129]. * nis/nis_print_group_entry.c (nis_print_group_entry): If nis_lookup call failed, return. Free lookup result in error cases [Coverity CID 131]. * nis/nis_removemember.c (nis_removemember): Free all memory in error cases [Coverity CID 132]. * nis/nss_nisplus/nisplus-alias.c (_nss_nisplus_getaliasbyname_r): Always free lookup result [Coverity CID 134]. * nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_gethostton_r): Always free lookup result [Coverity CID 135]. * nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_getntohost_r): Always free lookup result [Coverity CID 136]. * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r): Before retrying, free old result [Coverity CID 137]. * nis/nss_nisplus/nisplus-publickey.c (_nss_nisplus_netname2user): Free res in case UID is zero [Coverity CID 138]. * nis/ypclnt.c (yp_update): Always free master string [Coverity CID 140]. * nis/nis_creategroup.c (nis_creategroup): Free all memory in error cases [Coverity CID 143, 142, 141]. * nis/nss_nis/nis-publickey.c (_nss_nis_getpublickey): Free result if yp_match call succeeded [Coverity CID 155]. * nis/nss_nis/nis-publickey.c (_nss_nis_getsecretkey): Free string allocated in yp_match at all times [Coverity CID 157, 156]. * nscd/nscd.c (write_pid): Close stream also if writing failed [Coverity CID 165]. * nis/nis_table.c (nis_add_entry): Move test for NULL parameter ahead of first use [Coverity CID 167]. * nis/nss_nis/nis-alias.c (_nss_nis_getaliasbyname_r): Move test for NULL parameter ahead of first use [Coverity CID 168]. * intl/finddomain.c (_nl_find_domain): We never return NULL if we found the locale [Coverity CID 169]. * inet/getnameinfo.c (getnameinfo): __getservbyport_r does not set herrno [Coverity CID 178]. * nis/nis_checkpoint.c (nis_checkpoint): Don't access and returned freed object [Coverity CID 182].
Diffstat (limited to 'nis')
-rw-r--r--nis/nis_checkpoint.c5
-rw-r--r--nis/nis_clone_dir.c25
-rw-r--r--nis/nis_clone_res.c27
-rw-r--r--nis/nis_creategroup.c14
-rw-r--r--nis/nis_getservlist.c50
-rw-r--r--nis/nis_print_group_entry.c14
-rw-r--r--nis/nis_removemember.c8
-rw-r--r--nis/nis_table.c41
-rw-r--r--nis/nss_nis/nis-alias.c28
-rw-r--r--nis/nss_nis/nis-publickey.c31
-rw-r--r--nis/nss_nisplus/nisplus-alias.c10
-rw-r--r--nis/nss_nisplus/nisplus-ethers.c22
-rw-r--r--nis/nss_nisplus/nisplus-network.c1
-rw-r--r--nis/nss_nisplus/nisplus-publickey.c3
-rw-r--r--nis/ypclnt.c12
15 files changed, 182 insertions, 109 deletions
diff --git a/nis/nis_checkpoint.c b/nis/nis_checkpoint.c
index 0146d53..23c4707 100644
--- a/nis/nis_checkpoint.c
+++ b/nis/nis_checkpoint.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -24,7 +24,7 @@
#include "nis_intern.h"
nis_result *
-nis_checkpoint(const_nis_name dirname)
+nis_checkpoint (const_nis_name dirname)
{
nis_result *res;
@@ -48,7 +48,6 @@ nis_checkpoint(const_nis_name dirname)
if (__type_of (NIS_RES_OBJECT (res2)) != NIS_DIRECTORY_OBJ)
{
nis_freeresult (res2);
- nis_freeresult (res);
NIS_RES_STATUS (res) = NIS_INVALIDOBJ;
return res;
}
diff --git a/nis/nis_clone_dir.c b/nis/nis_clone_dir.c
index 92e883f..f94a1ee 100644
--- a/nis/nis_clone_dir.c
+++ b/nis/nis_clone_dir.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -29,15 +29,24 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
char *addr;
unsigned int size;
XDR xdrs;
- directory_obj *res;
if (src == NULL)
- return (NULL);
+ return NULL;
size = xdr_sizeof ((xdrproc_t)_xdr_directory_obj, (char *)src);
if ((addr = calloc(1, size)) == NULL)
return NULL;
+ xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
+ if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
+ {
+ xdr_destroy (&xdrs);
+ free (addr);
+ return NULL;
+ }
+ xdr_destroy (&xdrs);
+
+ directory_obj *res;
if (dest == NULL)
{
if ((res = calloc (1, sizeof (directory_obj))) == NULL)
@@ -49,18 +58,12 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
else
res = dest;
- xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
- if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
- {
- xdr_destroy (&xdrs);
- free (addr);
- return NULL;
- }
- xdr_destroy (&xdrs);
xdrmem_create (&xdrs, addr, size, XDR_DECODE);
if (!_xdr_directory_obj (&xdrs, res))
{
xdr_destroy (&xdrs);
+ if (res != dest)
+ free (res);
free (addr);
return NULL;
}
diff --git a/nis/nis_clone_res.c b/nis/nis_clone_res.c
index a0e098c..021f7cb 100644
--- a/nis/nis_clone_res.c
+++ b/nis/nis_clone_res.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -29,7 +29,6 @@ nis_clone_result (const nis_result *src, nis_result *dest)
char *addr;
unsigned int size;
XDR xdrs;
- nis_result *res;
if (src == NULL)
return (NULL);
@@ -38,6 +37,16 @@ nis_clone_result (const nis_result *src, nis_result *dest)
if ((addr = calloc(1, size)) == NULL)
return NULL;
+ xdrmem_create (&xdrs, addr, size, XDR_ENCODE);
+ if (!_xdr_nis_result (&xdrs, (nis_result *)src))
+ {
+ xdr_destroy (&xdrs);
+ free (addr);
+ return NULL;
+ }
+ xdr_destroy (&xdrs);
+
+ nis_result *res;
if (dest == NULL)
{
if ((res = calloc (1, sizeof (nis_result))) == NULL)
@@ -49,18 +58,12 @@ nis_clone_result (const nis_result *src, nis_result *dest)
else
res = dest;
- xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
- if (!_xdr_nis_result (&xdrs, (nis_result *)src))
- {
- xdr_destroy (&xdrs);
- free (addr);
- return NULL;
- }
- xdr_destroy (&xdrs);
- xdrmem_create(&xdrs, addr, size, XDR_DECODE);
- if (!_xdr_nis_result(&xdrs, res))
+ xdrmem_create (&xdrs, addr, size, XDR_DECODE);
+ if (!_xdr_nis_result (&xdrs, res))
{
xdr_destroy (&xdrs);
+ if (res != dest)
+ free (res);
free (addr);
return NULL;
}
diff --git a/nis/nis_creategroup.c b/nis/nis_creategroup.c
index 3786461..a7808ab 100644
--- a/nis/nis_creategroup.c
+++ b/nis/nis_creategroup.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2000, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -46,7 +46,7 @@ nis_creategroup (const_nis_name group, unsigned int flags)
else
return NIS_BADNAME;
- obj = malloc (sizeof (nis_object));
+ obj = calloc (1, sizeof (nis_object));
if (__builtin_expect (obj == NULL, 0))
return NIS_NOMEMORY;
@@ -57,7 +57,13 @@ nis_creategroup (const_nis_name group, unsigned int flags)
obj->zo_domain = strdup (domainbuf);
if (obj->zo_name == NULL || obj->zo_owner == NULL
|| obj->zo_group == NULL || obj->zo_domain == NULL)
- return NIS_NOMEMORY;
+ {
+ free (obj->zo_group);
+ free (obj->zo_owner);
+ free (obj->zo_name);
+ free (obj);
+ return NIS_NOMEMORY;
+ }
obj->zo_access = __nis_default_access (NULL, 0);
obj->zo_ttl = 60 * 60;
obj->zo_data.zo_type = NIS_GROUP_OBJ;
@@ -66,11 +72,11 @@ nis_creategroup (const_nis_name group, unsigned int flags)
obj->zo_data.objdata_u.gr_data.gr_members.gr_members_val = NULL;
res = nis_add (buf, obj);
+ nis_free_object (obj);
if (res == NULL)
return NIS_NOMEMORY;
status = NIS_RES_STATUS (res);
nis_freeresult (res);
- nis_free_object (obj);
return status;
}
diff --git a/nis/nis_getservlist.c b/nis/nis_getservlist.c
index 315960c..bea9d4d 100644
--- a/nis/nis_getservlist.c
+++ b/nis/nis_getservlist.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2000, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -40,7 +40,10 @@ nis_getservlist (const_nis_name dir)
malloc (sizeof (nis_server *) *
(NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len + 1));
if (__builtin_expect (serv == NULL, 0))
- return NULL;
+ {
+ nis_freeresult (res);
+ return NULL;
+ }
for (i = 0; i < NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len;
++i)
@@ -49,13 +52,37 @@ nis_getservlist (const_nis_name dir)
&NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_val[i];
serv[i] = calloc (1, sizeof (nis_server));
if (__builtin_expect (serv[i] == NULL, 0))
- return NULL;
+ {
+ free_all:
+ while (i-- > 0)
+ {
+ free (serv[i]->pkey.n_bytes);
+ if (serv[i]->ep.ep_val != NULL)
+ {
+ unsigned long int j;
+ for (j = 0; j < serv[i]->ep.ep_len; ++j)
+ {
+ free (serv[i]->ep.ep_val[j].proto);
+ free (serv[i]->ep.ep_val[j].family);
+ free (serv[i]->ep.ep_val[j].uaddr);
+ }
+ free (serv[i]->ep.ep_val);
+ }
+ free (serv[i]->name);
+ free (serv[i]);
+ }
+
+ return NULL;
+ }
if (server->name != NULL)
{
serv[i]->name = strdup (server->name);
if (__builtin_expect (serv[i]->name == NULL, 0))
- return NULL;
+ {
+ ++i;
+ goto free_all;
+ }
}
serv[i]->ep.ep_len = server->ep.ep_len;
@@ -66,7 +93,10 @@ nis_getservlist (const_nis_name dir)
serv[i]->ep.ep_val =
malloc (server->ep.ep_len * sizeof (endpoint));
if (__builtin_expect (serv[i]->ep.ep_val == NULL, 0))
- return NULL;
+ {
+ ++i;
+ goto free_all;
+ }
for (j = 0; j < serv[i]->ep.ep_len; ++j)
{
@@ -87,20 +117,20 @@ nis_getservlist (const_nis_name dir)
serv[i]->ep.ep_val[j].proto = NULL;
}
}
- else
- serv[i]->ep.ep_val = NULL;
+
serv[i]->key_type = server->key_type;
serv[i]->pkey.n_len = server->pkey.n_len;
if (server->pkey.n_len > 0)
{
serv[i]->pkey.n_bytes = malloc (server->pkey.n_len);
if (__builtin_expect (serv[i]->pkey.n_bytes == NULL, 0))
- return NULL;
+ {
+ ++i;
+ goto free_all;
+ }
memcpy (serv[i]->pkey.n_bytes, server->pkey.n_bytes,
server->pkey.n_len);
}
- else
- serv[i]->pkey.n_bytes = NULL;
}
serv[i] = NULL;
}
diff --git a/nis/nis_print_group_entry.c b/nis/nis_print_group_entry.c
index 6f0ba8f..91e6399 100644
--- a/nis/nis_print_group_entry.c
+++ b/nis/nis_print_group_entry.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -45,12 +45,16 @@ nis_print_group_entry (const_nis_name group)
}
res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
- if (NIS_RES_STATUS(res) != NIS_SUCCESS)
+ if (res == NULL)
return;
- if ((NIS_RES_NUMOBJ (res) != 1) ||
- (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
- return;
+ if (NIS_RES_STATUS (res) != NIS_SUCCESS
+ || NIS_RES_NUMOBJ (res) != 1
+ || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
+ {
+ nis_freeresult (res);
+ return;
+ }
char *mem_exp[NIS_RES_NUMOBJ (res)];
char *mem_imp[NIS_RES_NUMOBJ (res)];
diff --git a/nis/nis_removemember.c b/nis/nis_removemember.c
index 122c302..21fe13a 100644
--- a/nis/nis_removemember.c
+++ b/nis/nis_removemember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1998,1999,2004,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -68,7 +68,10 @@ nis_removemember (const_nis_name member, const_nis_name group)
calloc (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len,
sizeof (char *));
if (newmem == NULL)
- return NIS_NOMEMORY;
+ {
+ nis_freeresult (res);
+ return NIS_NOMEMORY;
+ }
k = NIS_RES_OBJECT (res)[0].GR_data.gr_members.gr_members_len;
j = 0;
@@ -96,6 +99,7 @@ nis_removemember (const_nis_name member, const_nis_name group)
if (newp == NULL)
{
free (newmem);
+ nis_freeresult (res);
return NIS_NOMEMORY;
}
newmem = newp;
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 2ef28ac..f56b499 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997,1998,1999,2003,2004,2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997-1999,2003,2004,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -41,7 +41,15 @@ __create_ib_request (const_nis_name name, unsigned int flags)
/* Not of "[key=value,key=value,...],foo.." format? */
if (cptr[0] != '[')
- return (ibreq->ibr_name = strdup (cptr)) == NULL ? NULL : ibreq;
+ {
+ ibreq->ibr_name = strdup (cptr);
+ if (ibreq->ibr_name == NULL)
+ {
+ free (ibreq);
+ return NULL;
+ }
+ return ibreq;
+ }
/* "[key=value,...],foo" format */
ibreq->ibr_name = strchr (cptr, ']');
@@ -497,15 +505,7 @@ libnsl_hidden_def (nis_list)
nis_result *
nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
{
- nis_object obj;
- nis_result *res;
- nis_error status;
- ib_request *ibreq;
- size_t namelen = strlen (name);
- char buf1[namelen + 20];
- char buf4[namelen + 20];
-
- res = calloc (1, sizeof (nis_result));
+ nis_result *res = calloc (1, sizeof (nis_result));
if (res == NULL)
return NULL;
@@ -515,12 +515,18 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
return res;
}
- if ((ibreq = __create_ib_request (name, flags)) == NULL)
+ size_t namelen = strlen (name);
+ char buf1[namelen + 20];
+ char buf4[namelen + 20];
+
+ ib_request *ibreq = __create_ib_request (name, flags);
+ if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
+ nis_object obj;
memcpy (&obj, obj2, sizeof (nis_object));
if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
@@ -543,11 +549,12 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
}
ibreq->ibr_obj.ibr_obj_len = 1;
- if ((status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
- (xdrproc_t) _xdr_ib_request,
- (caddr_t) ibreq,
- (xdrproc_t) _xdr_nis_result,
- (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
+ nis_error status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq,
+ (xdrproc_t) _xdr_nis_result,
+ (caddr_t) res, 0, NULL);
+ if (status != NIS_SUCCESS)
NIS_RES_STATUS (res) = status;
nis_free_request (ibreq);
diff --git a/nis/nss_nis/nis-alias.c b/nis/nss_nis/nis-alias.c
index 3b0887b..1da999b 100644
--- a/nis/nss_nis/nis-alias.c
+++ b/nis/nss_nis/nis-alias.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2002, 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -206,32 +206,29 @@ enum nss_status
_nss_nis_getaliasbyname_r (const char *name, struct aliasent *alias,
char *buffer, size_t buflen, int *errnop)
{
- enum nss_status retval;
- int parse_res;
- char *domain;
- char *result;
- int len;
- char *p;
- size_t namlen = strlen (name);
- char name2[namlen + 1];
- size_t i;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
+ size_t namlen = strlen (name);
+ char name2[namlen + 1];
+
+ char *domain;
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
/* Convert name to lowercase. */
+ size_t i;
for (i = 0; i < namlen; ++i)
name2[i] = _tolower (name[i]);
name2[i] = '\0';
- retval = yperr2nss (yp_match (domain, "mail.aliases", name2, namlen,
- &result, &len));
+ char *result;
+ int len;
+ enum nss_status retval = yperr2nss (yp_match (domain, "mail.aliases", name2,
+ namlen, &result, &len));
if (retval != NSS_STATUS_SUCCESS)
{
@@ -247,14 +244,15 @@ _nss_nis_getaliasbyname_r (const char *name, struct aliasent *alias,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
alias->alias_local = 0;
- parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen, errnop);
+ int parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen,
+ errnop);
if (parse_res < 1)
{
if (parse_res == -1)
diff --git a/nis/nss_nis/nis-publickey.c b/nis/nss_nis/nis-publickey.c
index 5aa41b8..f82db19 100644
--- a/nis/nss_nis/nis-publickey.c
+++ b/nis/nss_nis/nis-publickey.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2005 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001,2002,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -73,6 +73,7 @@ _nss_nis_getpublickey (const char *netname, char *pkey, int *errnop)
*p = 0;
strncpy (pkey, result, HEXKEYBYTES + 1);
pkey[HEXKEYBYTES] = '\0';
+ free (result);
}
return NSS_STATUS_SUCCESS;
}
@@ -115,20 +116,20 @@ _nss_nis_getsecretkey (const char *netname, char *skey, char *passwd,
if (result != NULL)
{
char *p = strchr (result, ':');
- if (p == NULL)
- return NSS_STATUS_SUCCESS;
-
- ++p;
- strncpy (buf, p, 2 * (HEXKEYBYTES + 1));
- buf[2 * HEXKEYBYTES + 1] = '\0';
- if (!xdecrypt (buf, passwd))
- return NSS_STATUS_SUCCESS;
-
- if (memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) != 0)
- return NSS_STATUS_SUCCESS;
-
- buf[HEXKEYBYTES] = '\0';
- strcpy (skey, buf);
+ if (p != NULL)
+ {
+ ++p;
+ strncpy (buf, p, 2 * (HEXKEYBYTES + 1));
+ buf[2 * HEXKEYBYTES + 1] = '\0';
+ if (xdecrypt (buf, passwd)
+ && memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) == 0)
+ {
+ buf[HEXKEYBYTES] = '\0';
+ strcpy (skey, buf);
+ }
+ }
+
+ free (result);
}
return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-alias.c b/nis/nss_nisplus/nisplus-alias.c
index d7926e1..86ea5d7 100644
--- a/nis/nss_nisplus/nisplus-alias.c
+++ b/nis/nss_nisplus/nisplus-alias.c
@@ -304,10 +304,18 @@ _nss_nisplus_getaliasbyname_r (const char *name, struct aliasent *alias,
}
if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
- return niserr2nss (result->status);
+ {
+ enum nss_status status = niserr2nss (result->status);
+ nis_freeresult (result);
+ return status;
+ }
parse_res = _nss_nisplus_parse_aliasent (result, 0, alias,
buffer, buflen, errnop);
+
+ /* We do not need the lookup result anymore. */
+ nis_freeresult (result);
+
if (__builtin_expect (parse_res < 1, 0))
{
__set_errno (olderr);
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index ca0a9e2..8b628fc 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -261,17 +261,18 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
buflen, errnop);
+
+ /* We do not need the lookup result anymore. */
+ nis_freeresult (result);
+
if (__builtin_expect (parse_res < 1, 0))
{
__set_errno (olderr);
if (parse_res == -1)
- {
- nis_freeresult (result);
- return NSS_STATUS_TRYAGAIN;
- }
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_TRYAGAIN;
+
+ return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
@@ -326,13 +327,14 @@ _nss_nisplus_getntohost_r (const struct ether_addr *addr, struct etherent *eth,
int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
buflen, errnop);
+
+ /* We do not need the lookup result anymore. */
+ nis_freeresult (result);
+
if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
- {
- nis_freeresult (result);
- return NSS_STATUS_TRYAGAIN;
- }
+ return NSS_STATUS_TRYAGAIN;
return NSS_STATUS_NOTFOUND;
}
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index 960c055..211e7c3 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -443,6 +443,7 @@ _nss_nisplus_getnetbyaddr_r (uint32_t addr, const int type,
removed (one by one) */
buf2[b2len - 2] = '\0';
b2len -= 2;
+ nis_freeresult (result);
continue;
}
diff --git a/nis/nss_nisplus/nisplus-publickey.c b/nis/nss_nisplus/nisplus-publickey.c
index c24e898..24b22d9 100644
--- a/nis/nss_nisplus/nisplus-publickey.c
+++ b/nis/nss_nisplus/nisplus-publickey.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1999,2001,2003,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -394,6 +394,7 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
if (*uidp == 0)
{
syslog (LOG_ERR, _("netname2user: should not have uid 0"));
+ nis_freeresult (res);
return NSS_STATUS_NOTFOUND;
}
diff --git a/nis/ypclnt.c b/nis/ypclnt.c
index 78adf6a..65bc8d1 100644
--- a/nis/ypclnt.c
+++ b/nis/ypclnt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2001, 2002, 2003, 2004, 2005
+/* Copyright (C) 1996-2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -955,16 +955,22 @@ yp_update (char *domain, char *map, unsigned ypop,
args.update_args.datum.yp_buf_len = datalen;
args.update_args.datum.yp_buf_val = data;
- if ((r = yp_master (domain, map, &master)) != 0)
+ if ((r = yp_master (domain, map, &master)) != YPERR_SUCCESS)
return r;
if (!host2netname (servername, master, domain))
{
fputs (_("yp_update: cannot convert host to netname\n"), stderr);
+ free (master);
return YPERR_YPERR;
}
- if ((clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp")) == NULL)
+ clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp");
+
+ /* We do not need the string anymore. */
+ free (master);
+
+ if (clnt == NULL)
{
clnt_pcreateerror ("yp_update: clnt_create");
return YPERR_RPC;