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authorJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
commit32c075e1f01849e161724bbd400ba77244e482cc (patch)
tree5f083a3f352104f32bb6c902d57fa3f294bd8d4d /nis/nss_nis
parentd6220e9ee38c1c9285221b023346201ec5f511b3 (diff)
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Diffstat (limited to 'nis/nss_nis')
-rw-r--r--nis/nss_nis/nis-hosts.c20
-rw-r--r--nis/nss_nis/nis-service.c2
2 files changed, 17 insertions, 5 deletions
diff --git a/nis/nss_nis/nis-hosts.c b/nis/nss_nis/nis-hosts.c
index 4fa0361681..bde0a3291f 100644
--- a/nis/nss_nis/nis-hosts.c
+++ b/nis/nss_nis/nis-hosts.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2000, 2002, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2000, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -134,13 +134,17 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
+ uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+ buffer += pad;
+
struct parser_data *data = (void *) buffer;
- if (__builtin_expect (buflen < sizeof *data + 1, 0))
+ if (__builtin_expect (buflen < sizeof *data + 1 + pad, 0))
{
*errnop = ERANGE;
*h_errnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
+ buflen -= pad;
/* Get the next entry until we found a correct one. */
const size_t linebuflen = buffer + buflen - data->linebuffer;
@@ -234,6 +238,9 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
char *buffer, size_t buflen, int *errnop,
int *h_errnop, int flags)
{
+ uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+ buffer += pad;
+
struct parser_data *data = (void *) buffer;
if (name == NULL)
@@ -246,12 +253,13 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
- if (buflen < sizeof *data + 1)
+ if (buflen < sizeof *data + 1 + pad)
{
*h_errnop = NETDB_INTERNAL;
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
+ buflen -= pad;
/* Convert name to lowercase. */
size_t namlen = strlen (name);
@@ -352,13 +360,17 @@ _nss_nis_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
+ uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+ buffer += pad;
+
struct parser_data *data = (void *) buffer;
- if (__builtin_expect (buflen < sizeof *data + 1, 0))
+ if (__builtin_expect (buflen < sizeof *data + 1 + pad, 0))
{
*errnop = ERANGE;
*h_errnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
+ buflen -= pad;
char *buf = inet_ntoa (*(const struct in_addr *) addr);
diff --git a/nis/nss_nis/nis-service.c b/nis/nss_nis/nis-service.c
index 0c176095c8..59a598f296 100644
--- a/nis/nss_nis/nis-service.c
+++ b/nis/nss_nis/nis-service.c
@@ -271,7 +271,7 @@ _nss_nis_getservbyname_r (const char *name, const char *protocol,
/* If the protocol is given, we could try if our NIS server knows
about services.byservicename map. If yes, we only need one query. */
- size_t keylen = strlen (name) + 1 + (protocol ? strlen (protocol) : 0);
+ size_t keylen = strlen (name) + (protocol ? 1 + strlen (protocol) : 0);
char key[keylen + 1];
/* key is: "name/proto" */