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Properly cache the result from looking up the nss database config

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This commit is contained in:
Andreas Schwab 2013-01-24 12:32:09 +01:00
parent 47f28d0a66
commit b2179107f3
5 changed files with 33 additions and 29 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2013-09-30 Andreas Schwab <schwab@suse.de>
[BZ #15048]
* nscd/aicache.c (addhstaiX): Properly use the cache variable for
the nss database lookup.
* nscd/initgrcache.c (addinitgroupsX): Likewise.
* sysdeps/posix/getaddrinfo.c (gaih_inet): Likewise.
2013-09-28 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/tst-fanotify.c (do_test): Fix style.

10
NEWS
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@ -9,11 +9,11 @@ Version 2.19
* The following bugs are resolved with this release:
13985, 14155, 14547, 14699, 15400, 15427, 15522, 15531, 15532, 15608,
15609, 15610, 15640, 15681, 15736, 15748, 15749, 15754, 15797, 15844,
15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890, 15892,
15893, 15895, 15897, 15905, 15909, 15919, 15921, 15923, 15939, 15963,
15966.
13985, 14155, 14547, 14699, 15048, 15400, 15427, 15522, 15531, 15532,
15608, 15609, 15610, 15640, 15681, 15736, 15748, 15749, 15754, 15797,
15844, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890,
15892, 15893, 15895, 15897, 15905, 15909, 15919, 15921, 15923, 15939,
15963, 15966.
* CVE-2012-4412 The strcoll implementation caches indices and rules for
large collation sequences to optimize multiple passes. This cache

15
nscd/aicache.c
View File

@ -86,20 +86,19 @@ addhstaiX (struct database_dyn *db, int fd, request_header *req,
}
static service_user *hosts_database;
service_user *nip = NULL;
service_user *nip;
int no_more;
int rc6 = 0;
int rc4 = 0;
int herrno = 0;
if (hosts_database != NULL)
{
nip = hosts_database;
no_more = 0;
}
else
if (hosts_database == NULL)
no_more = __nss_database_lookup ("hosts", NULL,
"dns [!UNAVAIL=return] files", &nip);
"dns [!UNAVAIL=return] files",
&hosts_database);
else
no_more = 0;
nip = hosts_database;
/* Initialize configurations. */
if (__glibc_unlikely (!_res_hconf.initialized))

15
nscd/initgrcache.c
View File

@ -80,17 +80,16 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
}
static service_user *group_database;
service_user *nip = NULL;
service_user *nip;
int no_more;
if (group_database != NULL)
{
nip = group_database;
no_more = 0;
}
else
if (group_database == NULL)
no_more = __nss_database_lookup ("group", NULL,
"compat [NOTFOUND=return] files", &nip);
"compat [NOTFOUND=return] files",
&group_database);
else
no_more = 0;
nip = group_database;
/* We always use sysconf even if NGROUPS_MAX is defined. That way, the
limit can be raised in the kernel configuration without having to

14
sysdeps/posix/getaddrinfo.c
View File

@ -558,7 +558,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
struct gaih_addrtuple **pat = &at;
int no_data = 0;
int no_inet6_data = 0;
service_user *nip = NULL;
service_user *nip;
enum nss_status inet6_status = NSS_STATUS_UNAVAIL;
enum nss_status status = NSS_STATUS_UNAVAIL;
int no_more;
@ -791,15 +791,13 @@ gaih_inet (const char *name, const struct gaih_service *service,
}
#endif
if (__nss_hosts_database != NULL)
{
no_more = 0;
nip = __nss_hosts_database;
}
else
if (__nss_hosts_database == NULL)
no_more = __nss_database_lookup ("hosts", NULL,
"dns [!UNAVAIL=return] files",
&nip);
&__nss_hosts_database);
else
no_more = 0;
nip = __nss_hosts_database;
/* Initialize configurations. */
if (__glibc_unlikely (!_res_hconf.initialized))