diff options
author | DJ Delorie <dj@redhat.com> | 2020-11-09 22:06:57 -0500 |
---|---|---|
committer | DJ Delorie <dj@redhat.com> | 2020-12-04 17:15:53 -0500 |
commit | f8847d83e17774ed5e9c0f75ef693680b91bcae4 (patch) | |
tree | e67c662ee3cc09742242c19a253b5b62bbaa3ee7 /nss/nss_module.c | |
parent | fa78feca47fdc226b46e7f6fea4c08c10fccd182 (diff) | |
download | glibc-f8847d83e17774ed5e9c0f75ef693680b91bcae4.tar.gz glibc-f8847d83e17774ed5e9c0f75ef693680b91bcae4.tar.xz glibc-f8847d83e17774ed5e9c0f75ef693680b91bcae4.zip |
nsswitch: use new internal API (core)
Core changes to switch the NSS internals to use the new API. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'nss/nss_module.c')
-rw-r--r-- | nss/nss_module.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/nss/nss_module.c b/nss/nss_module.c index 8de8db09c3..fdb4e994df 100644 --- a/nss/nss_module.c +++ b/nss/nss_module.c @@ -16,7 +16,9 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <nss_module.h> +#include <nsswitch.h> +#include <nscd/nscd.h> +#include <nscd/nscd_proto.h> #include <array_length.h> #include <assert.h> @@ -287,6 +289,66 @@ __nss_module_get_function (struct nss_module *module, const char *name) return fptr; } +#if defined SHARED && defined USE_NSCD +/* Load all libraries for the service. */ +static void +nss_load_all_libraries (const char *service, const char *def) +{ + nss_action_list ni = NULL; + + if (__nss_database_lookup2 (service, NULL, def, &ni) == 0) + while (ni->module != NULL) + { + __nss_module_load (ni->module); + ++ni; + } +} + +define_traced_file (pwd, _PATH_NSSWITCH_CONF); +define_traced_file (grp, _PATH_NSSWITCH_CONF); +define_traced_file (hst, _PATH_NSSWITCH_CONF); +define_traced_file (serv, _PATH_NSSWITCH_CONF); +define_traced_file (netgr, _PATH_NSSWITCH_CONF); + +/* Called by nscd and nscd alone. */ +void +__nss_disable_nscd (void (*cb) (size_t, struct traced_file *)) +{ + void (*cb1) (size_t, struct traced_file *); + cb1 = cb; +# ifdef PTR_MANGLE + PTR_MANGLE (cb); +# endif + nscd_init_cb = cb; + is_nscd = true; + + /* Find all the relevant modules so that the init functions are called. */ + nss_load_all_libraries ("passwd", DEFAULT_CONFIG); + nss_load_all_libraries ("group", DEFAULT_CONFIG); + nss_load_all_libraries ("hosts", "dns [!UNAVAIL=return] files"); + nss_load_all_libraries ("services", NULL); + + /* Make sure NSCD purges its cache if nsswitch.conf changes. */ + init_traced_file (&pwd_traced_file.file, _PATH_NSSWITCH_CONF, 0); + cb1 (pwddb, &pwd_traced_file.file); + init_traced_file (&grp_traced_file.file, _PATH_NSSWITCH_CONF, 0); + cb1 (grpdb, &grp_traced_file.file); + init_traced_file (&hst_traced_file.file, _PATH_NSSWITCH_CONF, 0); + cb1 (hstdb, &hst_traced_file.file); + init_traced_file (&serv_traced_file.file, _PATH_NSSWITCH_CONF, 0); + cb1 (servdb, &serv_traced_file.file); + init_traced_file (&netgr_traced_file.file, _PATH_NSSWITCH_CONF, 0); + cb1 (netgrdb, &netgr_traced_file.file); + + /* Disable all uses of NSCD. */ + __nss_not_use_nscd_passwd = -1; + __nss_not_use_nscd_group = -1; + __nss_not_use_nscd_hosts = -1; + __nss_not_use_nscd_services = -1; + __nss_not_use_nscd_netgroup = -1; +} +#endif + void __libc_freeres_fn_section __nss_module_freeres (void) { |