passdb/login_cache.c

ソースコードを見る。

関数

BOOL login_cache_init (void)
BOOL login_cache_shutdown (void)
LOGIN_CACHElogin_cache_read (struct samu *sampass)
BOOL login_cache_write (const struct samu *sampass, LOGIN_CACHE entry)
BOOL login_cache_delentry (const struct samu *sampass)

変数

static TDB_CONTEXTcache


関数

BOOL login_cache_init ( void   ) 

login_cache.c32 行で定義されています。

参照先 asprintf()cachetdb_open_log().

参照元 login_cache_delentry()login_cache_read()login_cache_write().

00033 {
00034         char* cache_fname = NULL;
00035         
00036         /* skip file open if it's already opened */
00037         if (cache) return True;
00038 
00039         asprintf(&cache_fname, "%s/%s", lp_lockdir(), LOGIN_CACHE_FILE);
00040         if (cache_fname)
00041                 DEBUG(5, ("Opening cache file at %s\n", cache_fname));
00042         else {
00043                 DEBUG(0, ("Filename allocation failed.\n"));
00044                 return False;
00045         }
00046 
00047         cache = tdb_open_log(cache_fname, 0, TDB_DEFAULT,
00048                              O_RDWR|O_CREAT, 0644);
00049 
00050         if (!cache)
00051                 DEBUG(5, ("Attempt to open %s failed.\n", cache_fname));
00052 
00053         SAFE_FREE(cache_fname);
00054 
00055         return (cache ? True : False);
00056 }

BOOL login_cache_shutdown ( void   ) 

login_cache.c58 行で定義されています。

参照先 cachetdb_close().

00059 {
00060         /* tdb_close routine returns -1 on error */
00061         if (!cache) return False;
00062         DEBUG(5, ("Closing cache file\n"));
00063         return tdb_close(cache) != -1;
00064 }

LOGIN_CACHE* login_cache_read ( struct samu sampass  ) 

login_cache.c67 行で定義されています。

参照先 logon_cache_struct::acct_ctrllogon_cache_struct::bad_password_countlogon_cache_struct::bad_password_timecacheTDB_DATA::dptrTDB_DATA::dsizelogon_cache_struct::entry_timestamplogin_cache_init()pdb_get_nt_username()tdb_fetch()tdb_unpack().

参照元 init_sam_from_ldap().

00068 {
00069         TDB_DATA keybuf, databuf;
00070         LOGIN_CACHE *entry;
00071 
00072         if (!login_cache_init())
00073                 return NULL;
00074 
00075         if (pdb_get_nt_username(sampass) == NULL) {
00076                 return NULL;
00077         }
00078 
00079         keybuf.dptr = SMB_STRDUP(pdb_get_nt_username(sampass));
00080         if (!keybuf.dptr || !strlen(keybuf.dptr)) {
00081                 SAFE_FREE(keybuf.dptr);
00082                 return NULL;
00083         }
00084         keybuf.dsize = strlen(keybuf.dptr) + 1;
00085 
00086         DEBUG(7, ("Looking up login cache for user %s\n",
00087                   keybuf.dptr));
00088         databuf = tdb_fetch(cache, keybuf);
00089         SAFE_FREE(keybuf.dptr);
00090 
00091         if (!(entry = SMB_MALLOC_P(LOGIN_CACHE))) {
00092                 DEBUG(1, ("Unable to allocate cache entry buffer!\n"));
00093                 SAFE_FREE(databuf.dptr);
00094                 return NULL;
00095         }
00096 
00097         if (tdb_unpack (databuf.dptr, databuf.dsize, SAM_CACHE_FORMAT,
00098                         &entry->entry_timestamp, &entry->acct_ctrl, 
00099                         &entry->bad_password_count, 
00100                         &entry->bad_password_time) == -1) {
00101                 DEBUG(7, ("No cache entry found\n"));
00102                 SAFE_FREE(entry);
00103                 SAFE_FREE(databuf.dptr);
00104                 return NULL;
00105         }
00106 
00107         SAFE_FREE(databuf.dptr);
00108 
00109         DEBUG(5, ("Found login cache entry: timestamp %12u, flags 0x%x, count %d, time %12u\n",
00110                   (unsigned int)entry->entry_timestamp, entry->acct_ctrl, 
00111                   entry->bad_password_count, (unsigned int)entry->bad_password_time));
00112         return entry;
00113 }

BOOL login_cache_write ( const struct samu sampass,
LOGIN_CACHE  entry 
)

login_cache.c115 行で定義されています。

参照先 logon_cache_struct::acct_ctrllogon_cache_struct::bad_password_countlogon_cache_struct::bad_password_timecacheTDB_DATA::dptrTDB_DATA::dsizelogon_cache_struct::entry_timestamplogin_cache_init()pdb_get_nt_username()tdb_pack()tdb_store().

参照元 init_ldap_from_sam().

00116 {
00117 
00118         TDB_DATA keybuf, databuf;
00119         BOOL ret;
00120 
00121         if (!login_cache_init())
00122                 return False;
00123 
00124         if (pdb_get_nt_username(sampass) == NULL) {
00125                 return False;
00126         }
00127 
00128         keybuf.dptr = SMB_STRDUP(pdb_get_nt_username(sampass));
00129         if (!keybuf.dptr || !strlen(keybuf.dptr)) {
00130                 SAFE_FREE(keybuf.dptr);
00131                 return False;
00132         }
00133         keybuf.dsize = strlen(keybuf.dptr) + 1;
00134 
00135         entry.entry_timestamp = time(NULL);
00136 
00137         databuf.dsize = 
00138                 tdb_pack(NULL, 0, SAM_CACHE_FORMAT,
00139                          entry.entry_timestamp,
00140                          entry.acct_ctrl,
00141                          entry.bad_password_count,
00142                          entry.bad_password_time);
00143         databuf.dptr = SMB_MALLOC_ARRAY(char, databuf.dsize);
00144         if (!databuf.dptr) {
00145                 SAFE_FREE(keybuf.dptr);
00146                 return False;
00147         }
00148                          
00149         if (tdb_pack(databuf.dptr, databuf.dsize, SAM_CACHE_FORMAT,
00150                          entry.entry_timestamp,
00151                          entry.acct_ctrl,
00152                          entry.bad_password_count,
00153                          entry.bad_password_time)
00154             != databuf.dsize) {
00155                 SAFE_FREE(keybuf.dptr);
00156                 SAFE_FREE(databuf.dptr);
00157                 return False;
00158         }
00159 
00160         ret = tdb_store(cache, keybuf, databuf, 0);
00161         SAFE_FREE(keybuf.dptr);
00162         SAFE_FREE(databuf.dptr);
00163         return ret == 0;
00164 }

BOOL login_cache_delentry ( const struct samu sampass  ) 

login_cache.c166 行で定義されています。

参照先 cacheTDB_DATA::dptrTDB_DATA::dsizelogin_cache_init()pdb_get_nt_username()tdb_delete().

参照元 init_ldap_from_sam()init_sam_from_ldap().

00167 {
00168         int ret;
00169         TDB_DATA keybuf;
00170         
00171         if (!login_cache_init()) 
00172                 return False;   
00173 
00174         if (pdb_get_nt_username(sampass) == NULL) {
00175                 return False;
00176         }
00177 
00178         keybuf.dptr = SMB_STRDUP(pdb_get_nt_username(sampass));
00179         if (!keybuf.dptr || !strlen(keybuf.dptr)) {
00180                 SAFE_FREE(keybuf.dptr);
00181                 return False;
00182         }
00183         keybuf.dsize = strlen(keybuf.dptr) + 1;
00184         DEBUG(9, ("About to delete entry for %s\n", keybuf.dptr));
00185         ret = tdb_delete(cache, keybuf);
00186         DEBUG(9, ("tdb_delete returned %d\n", ret));
00187         
00188         SAFE_FREE(keybuf.dptr);
00189         return ret == 0;
00190 }


変数

TDB_CONTEXT* cache [static]

login_cache.c30 行で定義されています。


Sambaに対してSat Aug 29 21:23:59 2009に生成されました。  doxygen 1.4.7