Add smbldap_pull_sid
[ira/wip.git] / source3 / lib / smbldap.c
index cffc9389d7da3c13b84acbe1558ab9aa4da3b7f0..b6921c329c0301af3edb51795d4fbf0f19271b6a 100644 (file)
@@ -9,7 +9,7 @@
     
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
@@ -18,8 +18,7 @@
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
    
 */
 
@@ -138,6 +137,7 @@ ATTRIB_MAP_ENTRY attrib_map_to_delete_v30[] = {
        { LDAP_ATTR_LOGON_TIME,         "sambaLogonTime"        },
        { LDAP_ATTR_LOGOFF_TIME,        "sambaLogoffTime"       },
        { LDAP_ATTR_KICKOFF_TIME,       "sambaKickoffTime"      },
+       { LDAP_ATTR_DISPLAY_NAME,       "displayName"           },
        { LDAP_ATTR_HOME_DRIVE,         "sambaHomeDrive"        },
        { LDAP_ATTR_HOME_PATH,          "sambaHomePath"         },
        { LDAP_ATTR_LOGON_SCRIPT,       "sambaLogonScript"      },
@@ -261,7 +261,7 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
  Search an attribute and return the first value found.
 ******************************************************************/
 
BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
bool smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
                                    const char *attribute, char *value,
                                    int max_len)
 {
@@ -292,20 +292,13 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
        return True;
 }
 
- BOOL smbldap_get_single_pstring (LDAP * ldap_struct, LDAPMessage * entry,
-                                 const char *attribute, pstring value)
-{
-       return smbldap_get_single_attribute(ldap_struct, entry,
-                                           attribute, value, 
-                                           sizeof(pstring));
-}
-
  char * smbldap_talloc_single_attribute(LDAP *ldap_struct, LDAPMessage *entry,
                                        const char *attribute,
                                        TALLOC_CTX *mem_ctx)
 {
        char **values;
        char *result;
+       size_t converted_size;
 
        if (attribute == NULL) {
                return NULL;
@@ -325,7 +318,7 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
                return NULL;
        }
 
-       if (pull_utf8_talloc(mem_ctx, &result, values[0]) == (size_t)-1) {
+       if (!pull_utf8_talloc(mem_ctx, &result, values[0], &converted_size)) {
                DEBUG(10, ("pull_utf8_talloc failed\n"));
                ldap_value_free(values);
                return NULL;
@@ -340,6 +333,82 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
        return result;
 }
 
+ char * smbldap_talloc_smallest_attribute(LDAP *ldap_struct, LDAPMessage *entry,
+                                         const char *attribute,
+                                         TALLOC_CTX *mem_ctx)
+{
+       char **values;
+       char *result;
+       size_t converted_size;
+       int i, num_values;
+
+       if (attribute == NULL) {
+               return NULL;
+       }
+
+       values = ldap_get_values(ldap_struct, entry, attribute);
+
+       if (values == NULL) {
+               DEBUG(10, ("attribute %s does not exist\n", attribute));
+               return NULL;
+       }
+
+       if (!pull_utf8_talloc(mem_ctx, &result, values[0], &converted_size)) {
+               DEBUG(10, ("pull_utf8_talloc failed\n"));
+               ldap_value_free(values);
+               return NULL;
+       }
+
+       num_values = ldap_count_values(values);
+
+       for (i=1; i<num_values; i++) {
+               char *tmp;
+
+               if (!pull_utf8_talloc(mem_ctx, &tmp, values[i],
+                                     &converted_size)) {
+                       DEBUG(10, ("pull_utf8_talloc failed\n"));
+                       TALLOC_FREE(result);
+                       ldap_value_free(values);
+                       return NULL;
+               }
+
+               if (StrCaseCmp(tmp, result) < 0) {
+                       TALLOC_FREE(result);
+                       result = tmp;
+               } else {
+                       TALLOC_FREE(tmp);
+               }
+       }
+
+       ldap_value_free(values);
+
+#ifdef DEBUG_PASSWORDS
+       DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
+                    attribute, result));
+#endif
+       return result;
+}
+
+ bool smbldap_pull_sid(LDAP *ld, LDAPMessage *msg, const char *attrib,
+                      struct dom_sid *sid)
+{
+       struct berval **values;
+       bool ret = False;
+
+       values = ldap_get_values_len(ld, msg, attrib);
+
+       if (!values) {
+               return false;
+       }
+
+       if (values[0] != NULL) {
+               ret = sid_parse(values[0]->bv_val, values[0]->bv_len, sid);
+       }
+
+       ldap_value_free_len(values);
+       return ret;
+}
+
  static int ldapmsg_destructor(LDAPMessage **result) {
        ldap_msgfree(*result);
        return 0;
@@ -408,9 +477,8 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
        if (mods == NULL) {
                mods = SMB_MALLOC_P(LDAPMod *);
                if (mods == NULL) {
-                       smb_panic("smbldap_set_mod: out of memory!\n");
+                       smb_panic("smbldap_set_mod: out of memory!");
                        /* notreached. */
-                       abort();
                }
                mods[0] = NULL;
        }
@@ -423,15 +491,13 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
        if (mods[i] == NULL) {
                mods = SMB_REALLOC_ARRAY (mods, LDAPMod *, i + 2);
                if (mods == NULL) {
-                       smb_panic("smbldap_set_mod: out of memory!\n");
+                       smb_panic("smbldap_set_mod: out of memory!");
                        /* notreached. */
-                       abort();
                }
                mods[i] = SMB_MALLOC_P(LDAPMod);
                if (mods[i] == NULL) {
-                       smb_panic("smbldap_set_mod: out of memory!\n");
+                       smb_panic("smbldap_set_mod: out of memory!");
                        /* notreached. */
-                       abort();
                }
                mods[i]->mod_op = modop;
                mods[i]->mod_values = NULL;
@@ -441,6 +507,7 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
 
        if (value != NULL) {
                char *utf8_value = NULL;
+               size_t converted_size;
 
                j = 0;
                if (mods[i]->mod_values != NULL) {
@@ -449,18 +516,19 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
                mods[i]->mod_values = SMB_REALLOC_ARRAY(mods[i]->mod_values, char *, j + 2);
                                               
                if (mods[i]->mod_values == NULL) {
-                       smb_panic("smbldap_set_mod: out of memory!\n");
+                       smb_panic("smbldap_set_mod: out of memory!");
                        /* notreached. */
-                       abort();
                }
 
-               if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
-                       smb_panic("smbldap_set_mod: String conversion failure!\n");
+               if (!push_utf8_talloc(talloc_tos(), &utf8_value, value, &converted_size)) {
+                       smb_panic("smbldap_set_mod: String conversion failure!");
                        /* notreached. */
-                       abort();
                }
-
-               mods[i]->mod_values[j] = utf8_value;
+               
+               
+               mods[i]->mod_values[j] = SMB_STRDUP(utf8_value);
+               TALLOC_FREE(utf8_value);
+               SMB_ASSERT(mods[i]->mod_values[j] != NULL);
 
                mods[i]->mod_values[j + 1] = NULL;
        }
@@ -477,7 +545,7 @@ ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
                      const char *attribute, const char *newval)
 {
        char oldval[2048]; /* current largest allowed value is mungeddial */
-       BOOL existed;
+       bool existed;
 
        if (attribute == NULL) {
                /* This can actually happen for ldapsam_compat where we for
@@ -592,7 +660,9 @@ static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
 
 int smb_ldap_start_tls(LDAP *ldap_struct, int version)
 { 
+#ifdef LDAP_OPT_X_TLS
        int rc;
+#endif
        
        if (lp_ldap_ssl() != LDAP_SSL_START_TLS) {
                return LDAP_SUCCESS;
@@ -683,9 +753,33 @@ int smb_ldap_setup_conn(LDAP **ldap_struct, const char *uri)
                        return LDAP_OPERATIONS_ERROR;
 #endif /* LDAP_OPT_X_TLS */
                }
-
        }
 #endif /* HAVE_LDAP_INITIALIZE */
+
+
+       /* now set connection timeout */
+#ifdef LDAP_X_OPT_CONNECT_TIMEOUT /* Netscape */
+       {
+               int ct = lp_ldap_connection_timeout()*1000;
+               rc = ldap_set_option(*ldap_struct, LDAP_X_OPT_CONNECT_TIMEOUT, &ct);
+               if (rc != LDAP_SUCCESS) {
+                       DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
+                               ct, ldap_err2string(rc)));
+               }
+       }
+#elif defined (LDAP_OPT_NETWORK_TIMEOUT) /* OpenLDAP */
+       {
+               struct timeval ct;
+               ct.tv_usec = 0;
+               ct.tv_sec = lp_ldap_connection_timeout();
+               rc = ldap_set_option(*ldap_struct, LDAP_OPT_NETWORK_TIMEOUT, &ct);
+               if (rc != LDAP_SUCCESS) {
+                       DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
+                               (int)ct.tv_sec, ldap_err2string(rc)));
+               }
+       }
+#endif
+
        return LDAP_SUCCESS;
 }
 
@@ -993,7 +1087,7 @@ static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_
                ldap_state->paged_results = True;
        }
 
-       DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
+       DEBUG(3, ("ldap_connect_system: successful connection to the LDAP server\n"));
        DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n", 
                ldap_state->paged_results ? "does" : "does not"));
        return rc;
@@ -1001,7 +1095,7 @@ static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_
 
 static void smbldap_idle_fn(struct event_context *event_ctx,
                            struct timed_event *te,
-                           const struct timeval *now,
+                           struct timeval now,
                            void *private_data);
 
 /**********************************************************************
@@ -1010,15 +1104,8 @@ static void smbldap_idle_fn(struct event_context *event_ctx,
 static int smbldap_open(struct smbldap_state *ldap_state)
 {
        int rc, opt_rc;
-       BOOL reopen = False;
+       bool reopen = False;
        SMB_ASSERT(ldap_state);
-               
-#ifndef NO_LDAP_SECURITY
-       if (geteuid() != 0) {
-               DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
-               return  LDAP_INSUFFICIENT_ACCESS;
-       }
-#endif
 
        if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
 
@@ -1073,10 +1160,10 @@ static int smbldap_open(struct smbldap_state *ldap_state)
                ldap_state->idle_event = event_add_timed(
                        ldap_state->event_context, NULL,
                        timeval_current_ofs(SMBLDAP_IDLE_TIME, 0),
-                       "smbldap_idle_fn", smbldap_idle_fn, ldap_state);
+                       smbldap_idle_fn, ldap_state);
        }
 
-       DEBUG(4,("The LDAP server is succesfully connected\n"));
+       DEBUG(4,("The LDAP server is successfully connected\n"));
 
        return LDAP_SUCCESS;
 }
@@ -1102,7 +1189,7 @@ static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
        return NT_STATUS_OK;
 }
 
-static BOOL got_alarm;
+static bool got_alarm;
 
 static void (*old_handler)(int);
 
@@ -1189,6 +1276,7 @@ static int smbldap_search_ext(struct smbldap_state *ldap_state,
        char           *utf8_filter;
        time_t          endtime = time(NULL)+lp_ldap_timeout();
        struct          timeval timeout;
+       size_t          converted_size;
 
        SMB_ASSERT(ldap_state);
        
@@ -1197,7 +1285,7 @@ static int smbldap_search_ext(struct smbldap_state *ldap_state,
 
        if (ldap_state->last_rebind.tv_sec > 0) {
                struct timeval  tval;
-               SMB_BIG_INT     tdiff = 0;
+               int64_t tdiff = 0;
                int             sleep_time = 0;
 
                ZERO_STRUCT(tval);
@@ -1219,7 +1307,7 @@ static int smbldap_search_ext(struct smbldap_state *ldap_state,
                ZERO_STRUCT(ldap_state->last_rebind);
        }
 
-       if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
+       if (!push_utf8_talloc(talloc_tos(), &utf8_filter, filter, &converted_size)) {
                return LDAP_NO_MEMORY;
        }
 
@@ -1267,7 +1355,7 @@ static int smbldap_search_ext(struct smbldap_state *ldap_state,
                }
        }
 
-       SAFE_FREE(utf8_filter);
+       TALLOC_FREE(utf8_filter);
 
        /* Teardown timeout. */
        CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
@@ -1299,7 +1387,7 @@ int smbldap_search_paged(struct smbldap_state *ldap_state,
        BerElement      *cookie_be = NULL;
        struct berval   *cookie_bv = NULL;
        int             tmp = 0, i, rc;
-       BOOL            critical = True;
+       bool            critical = True;
 
        *res = NULL;
 
@@ -1385,12 +1473,13 @@ int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *at
        int             attempts = 0;
        char           *utf8_dn;
        time_t          endtime = time(NULL)+lp_ldap_timeout();
+       size_t          converted_size;
 
        SMB_ASSERT(ldap_state);
 
        DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
 
-       if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
+       if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
                return LDAP_NO_MEMORY;
        }
 
@@ -1418,7 +1507,7 @@ int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *at
                }
        }
                
-       SAFE_FREE(utf8_dn);
+       TALLOC_FREE(utf8_dn);
        return rc;
 }
 
@@ -1428,12 +1517,13 @@ int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs
        int             attempts = 0;
        char           *utf8_dn;
        time_t          endtime = time(NULL)+lp_ldap_timeout();
+       size_t          converted_size;
        
        SMB_ASSERT(ldap_state);
 
        DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
 
-       if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
+       if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
                return LDAP_NO_MEMORY;
        }
 
@@ -1461,7 +1551,7 @@ int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs
                }
        }
        
-       SAFE_FREE(utf8_dn);
+       TALLOC_FREE(utf8_dn);
        return rc;
 }
 
@@ -1471,12 +1561,13 @@ int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
        int             attempts = 0;
        char           *utf8_dn;
        time_t          endtime = time(NULL)+lp_ldap_timeout();
+       size_t          converted_size;
        
        SMB_ASSERT(ldap_state);
 
        DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
 
-       if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
+       if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
                return LDAP_NO_MEMORY;
        }
 
@@ -1504,7 +1595,7 @@ int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
                }
        }
        
-       SAFE_FREE(utf8_dn);
+       TALLOC_FREE(utf8_dn);
        return rc;
 }
 
@@ -1562,7 +1653,7 @@ int smbldap_search_suffix (struct smbldap_state *ldap_state,
 
 static void smbldap_idle_fn(struct event_context *event_ctx,
                            struct timed_event *te,
-                           const struct timeval *now,
+                           struct timeval now,
                            void *private_data)
 {
        struct smbldap_state *state = (struct smbldap_state *)private_data;
@@ -1574,13 +1665,13 @@ static void smbldap_idle_fn(struct event_context *event_ctx,
                return;
        }
                
-       if ((state->last_use+SMBLDAP_IDLE_TIME) > now->tv_sec) {
+       if ((state->last_use+SMBLDAP_IDLE_TIME) > now.tv_sec) {
                DEBUG(10,("ldap connection not idle...\n"));
 
                state->idle_event = event_add_timed(
                        event_ctx, NULL,
-                       timeval_add(now, SMBLDAP_IDLE_TIME, 0),
-                       "smbldap_idle_fn", smbldap_idle_fn,
+                       timeval_add(&now, SMBLDAP_IDLE_TIME, 0),
+                       smbldap_idle_fn,
                        private_data);
                return;
        }
@@ -1637,38 +1728,19 @@ NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, struct event_context *event_ctx,
        return NT_STATUS_OK;
 }
 
-/*******************************************************************
- Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
-********************************************************************/
-char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
-{
-       char *utf8_dn, *unix_dn;
-
-       utf8_dn = ldap_get_dn(ld, entry);
-       if (!utf8_dn) {
-               DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
-               return NULL;
-       }
-       if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
-               DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
-               return NULL;
-       }
-       ldap_memfree(utf8_dn);
-       return unix_dn;
-}
-
- const char *smbldap_talloc_dn(TALLOC_CTX *mem_ctx, LDAP *ld,
-                              LDAPMessage *entry)
+ char *smbldap_talloc_dn(TALLOC_CTX *mem_ctx, LDAP *ld,
+                        LDAPMessage *entry)
 {
        char *utf8_dn, *unix_dn;
+       size_t converted_size;
 
        utf8_dn = ldap_get_dn(ld, entry);
        if (!utf8_dn) {
-               DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
+               DEBUG (5, ("smbldap_talloc_dn: ldap_get_dn failed\n"));
                return NULL;
        }
-       if (pull_utf8_talloc(mem_ctx, &unix_dn, utf8_dn) == (size_t)-1) {
-               DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 "
+       if (!pull_utf8_talloc(mem_ctx, &unix_dn, utf8_dn, &converted_size)) {
+               DEBUG (0, ("smbldap_talloc_dn: String conversion failure utf8 "
                           "[%s]\n", utf8_dn));
                return NULL;
        }
@@ -1680,13 +1752,13 @@ char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
  Check if root-dse has a certain Control or Extension
 ********************************************************************/
 
-static BOOL smbldap_check_root_dse(LDAP *ld, const char **attrs, const char *value) 
+static bool smbldap_check_root_dse(LDAP *ld, const char **attrs, const char *value) 
 {
        LDAPMessage *msg = NULL;
        LDAPMessage *entry = NULL;
        char **values = NULL;
        int rc, num_result, num_values, i;
-       BOOL result = False;
+       bool result = False;
 
        if (!attrs[0]) {
                DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
@@ -1756,7 +1828,7 @@ static BOOL smbldap_check_root_dse(LDAP *ld, const char **attrs, const char *val
  Check if LDAP-Server supports a certain Control (OID in string format)
 ********************************************************************/
 
-BOOL smbldap_has_control(LDAP *ld, const char *control)
+bool smbldap_has_control(LDAP *ld, const char *control)
 {
        const char *attrs[] = { "supportedControl", NULL };
        return smbldap_check_root_dse(ld, attrs, control);
@@ -1766,7 +1838,7 @@ BOOL smbldap_has_control(LDAP *ld, const char *control)
  Check if LDAP-Server supports a certain Extension (OID in string format)
 ********************************************************************/
 
-BOOL smbldap_has_extension(LDAP *ld, const char *extension)
+bool smbldap_has_extension(LDAP *ld, const char *extension)
 {
        const char *attrs[] = { "supportedExtension", NULL };
        return smbldap_check_root_dse(ld, attrs, extension);
@@ -1776,13 +1848,13 @@ BOOL smbldap_has_extension(LDAP *ld, const char *extension)
  Check if LDAP-Server holds a given namingContext
 ********************************************************************/
 
-BOOL smbldap_has_naming_context(LDAP *ld, const char *naming_context)
+bool smbldap_has_naming_context(LDAP *ld, const char *naming_context)
 {
        const char *attrs[] = { "namingContexts", NULL };
        return smbldap_check_root_dse(ld, attrs, naming_context);
 }
 
-BOOL smbldap_set_creds(struct smbldap_state *ldap_state, BOOL anon, const char *dn, const char *secret)
+bool smbldap_set_creds(struct smbldap_state *ldap_state, bool anon, const char *dn, const char *secret)
 {
        ldap_state->anonymous = anon;