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nsswitch: use new internal API (core)

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Core changes to switch the NSS internals to use the new API.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
This commit is contained in:
DJ Delorie
2020-11-09 22:06:57 -05:00
parent fa78feca47
commit f8847d83e1
8 changed files with 169 additions and 846 deletions
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40
nss/nss_database.c
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@ -226,6 +226,39 @@ process_line (struct nss_database_data *data, char *line)
return true;
}
int
__nss_configure_lookup (const char *dbname, const char *service_line)
{
int db;
nss_action_list result;
struct nss_database_state *local;
/* Convert named database to index. */
db = name_to_database_index (dbname);
if (db < 0)
/* Not our database (e.g., sudoers). */
return -1;
/* Force any load/cache/read whatever to happen, so we can override
it. */
__nss_database_get (db, &result);
local = nss_database_state_get ();
result = __nss_action_parse (service_line);
if (result == NULL)
return -1;
atomic_store_release (&local->data.reload_disabled, 1);
local->data.services[db] = result;
#ifdef USE_NSCD
__nss_database_custom[db] = true;
#endif
return 0;
}
/* Iterate over the lines in FP, parse them, and store them in DATA.
Return false on memory allocation failure, true on success. */
static bool
@ -326,8 +359,11 @@ nss_database_check_reload_and_get (struct nss_database_state *local,
may have loaded the configuration first, so synchronize with the
Release MO store there. */
if (atomic_load_acquire (&local->data.reload_disabled))
/* No reload, so there is no error. */
return true;
{
*result = local->data.services[database_index];
/* No reload, so there is no error. */
return true;
}
struct file_change_detection initial;
if (!__file_change_detection_for_path (&initial, _PATH_NSSWITCH_CONF))