diff options
Diffstat (limited to 'ipa-server/ipa-slapi-plugins/ipa-winsync/ipa-winsync.c')
| -rw-r--r-- | ipa-server/ipa-slapi-plugins/ipa-winsync/ipa-winsync.c | 539 |
1 files changed, 537 insertions, 2 deletions
diff --git a/ipa-server/ipa-slapi-plugins/ipa-winsync/ipa-winsync.c b/ipa-server/ipa-slapi-plugins/ipa-winsync/ipa-winsync.c index c69a68329..f18a939c9 100644 --- a/ipa-server/ipa-slapi-plugins/ipa-winsync/ipa-winsync.c +++ b/ipa-server/ipa-slapi-plugins/ipa-winsync/ipa-winsync.c @@ -61,6 +61,25 @@ static char *ipa_winsync_plugin_name = IPA_WINSYNC_PLUGIN_NAME; +static void +sync_acct_disable( + void *cbdata, /* the usual domain config data */ + const Slapi_Entry *ad_entry, /* the AD entry */ + Slapi_Entry *ds_entry, /* the DS entry */ + int direction, /* the direction - TO_AD or TO_DS */ + Slapi_Entry *update_entry, /* the entry to update for ADDs */ + Slapi_Mods *smods, /* the mod list for MODIFYs */ + int *do_modify /* set to true if mods were applied */ +); + +static void +do_force_sync( + const Slapi_Entry *ad_entry, /* the AD entry */ + Slapi_Entry *ds_entry, /* the DS entry */ + Slapi_Mods *smods, /* the mod list */ + int *do_modify /* set to true if mods were applied */ +); + /* This is called when a new agreement is created or loaded at startup. */ @@ -121,6 +140,11 @@ ipa_winsync_pre_ds_search_entry_cb(void *cbdata, const char *agmt_dn, "--> ipa_winsync_pre_ds_search_cb -- begin\n"); slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "-- ipa_winsync_pre_ds_search_cb - base [%s] " + "scope [%d] filter [%s]\n", + *base, *scope, *filter); + + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "<-- ipa_winsync_pre_ds_search_cb -- end\n"); return; @@ -157,6 +181,9 @@ ipa_winsync_pre_ad_mod_user_cb(void *cbdata, const Slapi_Entry *rawentry, slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "--> ipa_winsync_pre_ad_mod_user_cb -- begin\n"); + sync_acct_disable(cbdata, rawentry, ds_entry, ACCT_DISABLE_TO_AD, + NULL, smods, do_modify); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "<-- ipa_winsync_pre_ad_mod_user_cb -- end\n"); @@ -185,6 +212,11 @@ ipa_winsync_pre_ds_mod_user_cb(void *cbdata, const Slapi_Entry *rawentry, slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "--> ipa_winsync_pre_ds_mod_user_cb -- begin\n"); + sync_acct_disable(cbdata, rawentry, ds_entry, ACCT_DISABLE_TO_DS, + NULL, smods, do_modify); + + do_force_sync(rawentry, ds_entry, smods, do_modify); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "<-- ipa_winsync_pre_ds_mod_user_cb -- end\n"); @@ -376,6 +408,8 @@ ipa_winsync_pre_ds_add_user_cb(void *cbdata, const Slapi_Entry *rawentry, } } + sync_acct_disable(cbdata, rawentry, ds_entry, ACCT_DISABLE_TO_DS, + ds_entry, NULL, NULL); slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "<-- ipa_winsync_pre_ds_add_user_cb -- end\n"); @@ -449,12 +483,25 @@ ipa_winsync_get_new_ds_group_dn_cb(void *cbdata, const Slapi_Entry *rawentry, static void ipa_winsync_pre_ad_mod_user_mods_cb(void *cbdata, const Slapi_Entry *rawentry, - const Slapi_DN *local_dn, LDAPMod * const *origmods, + const Slapi_DN *local_dn, + const Slapi_Entry *ds_entry, + LDAPMod * const *origmods, Slapi_DN *remote_dn, LDAPMod ***modstosend) { + Slapi_Mods *smods; + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "--> ipa_winsync_pre_ad_mod_user_mods_cb -- begin\n"); + /* wrap the modstosend in a Slapi_Mods for convenience */ + smods = slapi_mods_new(); + slapi_mods_init_byref(smods, *modstosend); + sync_acct_disable(cbdata, rawentry, (Slapi_Entry *)ds_entry, + ACCT_DISABLE_TO_AD, NULL, smods, NULL); + + /* convert back to LDAPMod ** and clean up */ + *modstosend = slapi_mods_get_ldapmods_passout(smods); + slapi_mods_free(&smods); slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, "<-- ipa_winsync_pre_ad_mod_user_mods_cb -- end\n"); @@ -463,7 +510,9 @@ ipa_winsync_pre_ad_mod_user_mods_cb(void *cbdata, const Slapi_Entry *rawentry, static void ipa_winsync_pre_ad_mod_group_mods_cb(void *cbdata, const Slapi_Entry *rawentry, - const Slapi_DN *local_dn, LDAPMod * const *origmods, + const Slapi_DN *local_dn, + const Slapi_Entry *ds_entry, + LDAPMod * const *origmods, Slapi_DN *remote_dn, LDAPMod ***modstosend) { slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, @@ -663,3 +712,489 @@ int ipa_winsync_plugin_init(Slapi_PBlock *pb) "<-- ipa_winsync_plugin_init -- end\n"); return 0; } + +/* + * Check if the given entry has account lock on (i.e. entry is disabled) + * Mostly copied from check_account_lock in the server code. + * Returns: 0 - account is disabled (lock == "true") + * 1 - account is enabled (lock == "false" or empty) + * -1 - some sort of error + */ +static int +ipa_check_account_lock(Slapi_Entry *ds_entry, int *isvirt) +{ + int rc = 1; + Slapi_ValueSet *values = NULL; + int type_name_disposition = 0; + char *actual_type_name = NULL; + int attr_free_flags = 0; + char *strval; + + /* first, see if the attribute is a "real" attribute */ + strval = slapi_entry_attr_get_charptr(ds_entry, "nsAccountLock"); + if (strval) { /* value is real */ + *isvirt = 0; /* value is real */ + rc = 1; /* default to enabled */ + if (PL_strncasecmp(strval, "true", 4) == 0) { + rc = 0; /* account is disabled */ + } + slapi_ch_free_string(&strval); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- ipa_check_account_lock - entry [%s] has real " + "attribute nsAccountLock and entry %s locked\n", + slapi_entry_get_dn_const(ds_entry), + rc ? "is not" : "is"); + return rc; + } + + rc = slapi_vattr_values_get(ds_entry, "nsAccountLock", + &values, + &type_name_disposition, &actual_type_name, + SLAPI_VIRTUALATTRS_REQUEST_POINTERS, + &attr_free_flags); + if (rc == 0) { + Slapi_Value *v = NULL; + const struct berval *bvp = NULL; + + rc = 1; /* default is enabled */ + *isvirt = 1; /* value is virtual */ + if ((slapi_valueset_first_value(values, &v) != -1) && + (bvp = slapi_value_get_berval(v)) != NULL) { + if ( (bvp != NULL) && (PL_strncasecmp(bvp->bv_val, "true", 4) == 0) ) { + slapi_vattr_values_free(&values, &actual_type_name, attr_free_flags); + rc = 0; /* account is disabled */ + } + } + + if (values != NULL) { + slapi_vattr_values_free(&values, &actual_type_name, attr_free_flags); + } + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- ipa_check_account_lock - entry [%s] has virtual " + "attribute nsAccountLock and entry %s locked\n", + slapi_entry_get_dn_const(ds_entry), + rc ? "is not" : "is"); + } else { + rc = 1; /* no attr == entry is enabled */ + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- ipa_check_account_lock - entry [%s] does not " + "have attribute nsAccountLock - entry %s locked\n", + slapi_entry_get_dn_const(ds_entry), + rc ? "is not" : "is"); + } + + return rc; +} + +static int +do_group_modify(const char *dn, const char *modtype, int modop, const char *modval) +{ + int rc = 0; + LDAPMod mod; + LDAPMod *mods[2]; + const char *val[2]; + Slapi_PBlock *mod_pb = NULL; + + mod_pb = slapi_pblock_new(); + + mods[0] = &mod; + mods[1] = NULL; + + val[0] = modval; + val[1] = NULL; + + mod.mod_op = modop; + mod.mod_type = (char *)modtype; + mod.mod_values = (char **)val; + + slapi_modify_internal_set_pb( + mod_pb, dn, mods, 0, 0, + ipa_winsync_get_plugin_identity(), 0); + + slapi_modify_internal_pb(mod_pb); + + slapi_pblock_get(mod_pb, + SLAPI_PLUGIN_INTOP_RESULT, + &rc); + + slapi_pblock_destroy(mod_pb); + + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- do_group_modify - %s value [%s] in attribute [%s] " + "in entry [%s] - result (%d: %s)\n", + (modop & LDAP_MOD_ADD) ? "added" : "deleted", + modval, modtype, dn, + rc, ldap_err2string(rc)); + + return rc; +} + +/* + * This can be used either in the to ad direction or the to ds direction, since in both + * cases we have to read both entries and compare the values. + * ad_entry - entry from AD + * ds_entry - entry from DS + * direction - either ACCT_DISABLE_TO_AD or ACCT_DISABLE_TO_DS + * + * If smods is given, this is the list of mods to send in the given direction. The + * appropriate modify operation will be added to this list or changed to the correct + * value if it already exists. + * Otherwise, if a destination entry is given, the value will be written into + * that entry. + */ +static void +sync_acct_disable( + void *cbdata, /* the usual domain config data */ + const Slapi_Entry *ad_entry, /* the AD entry */ + Slapi_Entry *ds_entry, /* the DS entry */ + int direction, /* the direction - TO_AD or TO_DS */ + Slapi_Entry *update_entry, /* the entry to update for ADDs */ + Slapi_Mods *smods, /* the mod list for MODIFYs */ + int *do_modify /* if not NULL, set this to true if mods were added */ +) +{ + IPA_WinSync_Domain_Config *ipaconfig = (IPA_WinSync_Domain_Config *)cbdata; + IPA_WinSync_Config *global_ipaconfig = ipa_winsync_get_config(); + int acct_disable; + int ds_is_enabled = 1; /* default to true */ + int ad_is_enabled = 1; /* default to true */ + unsigned long adval = 0; /* raw account val from ad entry */ + int isvirt = 1; /* default to virt */ + + slapi_lock_mutex(global_ipaconfig->lock); + acct_disable = global_ipaconfig->acct_disable; + slapi_unlock_mutex(global_ipaconfig->lock); + + if (acct_disable == ACCT_DISABLE_NONE) { + return; /* not supported */ + } + + /* get the account lock state of the ds entry */ + if (0 == ipa_check_account_lock(ds_entry, &isvirt)) { + ds_is_enabled = 0; + } + + /* get the account lock state of the ad entry */ + adval = slapi_entry_attr_get_ulong(ad_entry, "UserAccountControl"); + if (adval & 0x2) { + /* account is disabled */ + ad_is_enabled = 0; + } + + if (ad_is_enabled == ds_is_enabled) { /* both have same value - nothing to do */ + return; + } + + /* have to enable or disable */ + if (direction == ACCT_DISABLE_TO_AD) { + unsigned long mask; + /* set the mod or entry */ + if (update_entry) { + if (ds_is_enabled) { + mask = ~0x2; + adval &= mask; /* unset the 0x2 disable bit */ + } else { + mask = 0x2; + adval |= mask; /* set the 0x2 disable bit */ + } + slapi_entry_attr_set_ulong(update_entry, "userAccountControl", adval); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- sync_acct_disable - %s AD account [%s] - " + "new value is [%ld]\n", + (ds_is_enabled) ? "enabled" : "disabled", + slapi_entry_get_dn_const(update_entry), + adval); + } else { + /* iterate through the mods - if there is already a mod + for userAccountControl, change it - otherwise, add it */ + char acctvalstr[32]; + LDAPMod *mod = NULL; + struct berval *mod_bval = NULL; + for (mod = slapi_mods_get_first_mod(smods); mod; + mod = slapi_mods_get_next_mod(smods)) { + if (!PL_strcasecmp(mod->mod_type, "userAccountControl") && + mod->mod_bvalues && mod->mod_bvalues[0]) { + mod_bval = mod->mod_bvalues[0]; + /* mod_bval points directly to value inside mod list */ + break; + } + } + if (!mod_bval) { /* not found - add it */ + struct berval tmpbval = {0, NULL}; + Slapi_Mod *smod = slapi_mod_new(); + slapi_mod_init(smod, 1); /* one element */ + slapi_mod_set_type(smod, "userAccountControl"); + slapi_mod_set_operation(smod, LDAP_MOD_REPLACE|LDAP_MOD_BVALUES); + slapi_mod_add_value(smod, &tmpbval); + /* add_value makes a copy of the bval - so let's get a pointer + to that new value - we will change the bval in place */ + mod_bval = slapi_mod_get_first_value(smod); + /* mod_bval points directly to value inside mod list */ + /* now add the new mod to smods */ + slapi_mods_add_ldapmod(smods, + slapi_mod_get_ldapmod_passout(smod)); + /* smods now owns the ldapmod */ + slapi_mod_free(&smod); + if (do_modify) { + *do_modify = 1; /* added mods */ + } + } + if (mod_bval) { + /* this is where we set or update the actual value + mod_bval points directly into the mod list we are + sending */ + if (mod_bval->bv_val && (mod_bval->bv_len > 0)) { + /* get the old val */ + adval = strtol(mod_bval->bv_val, NULL, 10); + } + if (ds_is_enabled) { + mask = ~0x2; + adval &= mask; /* unset the 0x2 disable bit */ + } else { + mask = 0x2; + adval |= mask; /* set the 0x2 disable bit */ + } + PR_snprintf(acctvalstr, sizeof(acctvalstr), "%lu", adval); + slapi_ch_free_string(&mod_bval->bv_val); + mod_bval->bv_val = slapi_ch_strdup(acctvalstr); + mod_bval->bv_len = strlen(acctvalstr); + } + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- sync_acct_disable - %s AD account [%s] - " + "new value is [%ld]\n", + (ds_is_enabled) ? "enabled" : "disabled", + slapi_entry_get_dn_const(ad_entry), + adval); + } + } + + if (direction == ACCT_DISABLE_TO_DS) { + if (!isvirt) { + char *attrtype = NULL; + char *attrval = NULL; + attrtype = "nsAccountLock"; + if (ad_is_enabled) { + attrval = NULL; /* will delete the value */ + } else { + attrval = "true"; + } + + if (update_entry) { + slapi_entry_attr_set_charptr(update_entry, attrtype, attrval); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- sync_acct_disable - %s DS account [%s]\n", + (ad_is_enabled) ? "enabled" : "disabled", + slapi_entry_get_dn_const(ds_entry)); + } else { /* do mod */ + struct berval tmpbval = {0, NULL}; + Slapi_Mod *smod = slapi_mod_new(); + slapi_mod_init(smod, 1); /* one element */ + slapi_mod_set_type(smod, attrtype); + if (attrval == NULL) { + slapi_mod_set_operation(smod, LDAP_MOD_DELETE|LDAP_MOD_BVALUES); + } else { + slapi_mod_set_operation(smod, LDAP_MOD_REPLACE|LDAP_MOD_BVALUES); + } + slapi_mod_add_value(smod, &tmpbval); + slapi_mods_add_ldapmod(smods, + slapi_mod_get_ldapmod_passout(smod)); + slapi_mod_free(&smod); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- sync_acct_disable - %s DS account [%s]\n", + (ad_is_enabled) ? "enabled" : "disabled", + slapi_entry_get_dn_const(ds_entry)); + if (do_modify) { + *do_modify = 1; /* added mods */ + } + } + } else { /* use the virtual attr scheme */ + char *adddn, *deldn; + const char *dsdn; + int rc; + if (ad_is_enabled) { + /* add user to activated group, delete from inactivated group */ + adddn = ipaconfig->activated_group_dn; + deldn = ipaconfig->inactivated_group_dn; + } else { + /* add user to inactivated group, delete from activated group */ + adddn = ipaconfig->inactivated_group_dn; + deldn = ipaconfig->activated_group_dn; + } + + dsdn = slapi_entry_get_dn_const(ds_entry); + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- sync_acct_disable - %s DS account [%s] - " + "deldn [%s] adddn [%s]\n", + (ad_is_enabled) ? "enabling" : "disabling", + slapi_entry_get_dn_const(ds_entry), + deldn, adddn); + /* first, delete the user from the deldn group - ignore (but log) + value not found errors - means the user wasn't there yet */ + rc = do_group_modify(deldn, "member", LDAP_MOD_DELETE, dsdn); + if (rc == LDAP_NO_SUCH_ATTRIBUTE) { + /* either the value of the attribute doesn't exist */ + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "Could not delete user [%s] from the [%s] group: " + "either the user was not in the group already, " + "or the group had no members\n", + dsdn, deldn); + } else if (rc != LDAP_SUCCESS) { + slapi_log_error(SLAPI_LOG_FATAL, ipa_winsync_plugin_name, + "Error deleting user [%s] from the [%s] group: " + "(%d - %s)\n", dsdn, deldn, rc, + ldap_err2string(rc)); + } + /* next, add the user to the adddn group - ignore (but log) + if the user is already in that group */ + rc = do_group_modify(adddn, "member", LDAP_MOD_ADD, dsdn); + if (rc == LDAP_TYPE_OR_VALUE_EXISTS) { + /* user already in that group */ + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "Could not add user [%s] to the [%s] group: " + "user is already in that group\n", + dsdn, adddn); + } else if (rc != LDAP_SUCCESS) { + slapi_log_error(SLAPI_LOG_FATAL, ipa_winsync_plugin_name, + "Error adding user [%s] to the [%s] group: " + "(%d - %s)\n", dsdn, adddn, rc, + ldap_err2string(rc)); + } +#ifndef MEMBEROF_WORKS_FOR_INTERNAL_OPS + /* memberOf doesn't currently listen for internal operations + that change group membership - so we manually set the + memberOf attribute in the ds entry - this should not + conflict with memberOf */ + { + Slapi_Value *sv = slapi_value_new(); + slapi_value_init_string(sv, deldn); + if (slapi_entry_attr_has_syntax_value(ds_entry, + "memberOf", sv)) { + if (smods) { + slapi_mods_add_string(smods, LDAP_MOD_DELETE, + "memberOf", deldn); + if (do_modify) { + *do_modify = 1; /* added mods */ + } + } else if (update_entry) { + slapi_entry_delete_string(update_entry, + "memberOf", deldn); + } + } + slapi_value_set_string(sv, adddn); + if (!slapi_entry_attr_has_syntax_value(ds_entry, + "memberOf", sv)) { + if (smods) { + slapi_mods_add_string(smods, LDAP_MOD_ADD, + "memberOf", adddn); + if (do_modify) { + *do_modify = 1; /* added mods */ + } + } else if (update_entry) { + slapi_entry_add_string(update_entry, + "memberOf", adddn); + } + } + slapi_value_free(&sv); + } +#endif /* MEMBEROF_WORKS_FOR_INTERNAL_OPS */ + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- sync_acct_disable - %s DS account [%s]\n", + (ad_is_enabled) ? "enabled" : "disabled", + slapi_entry_get_dn_const(ds_entry)); + } + } + + return; +} + +/* if entry does not have attribute type and val, and neither + does the smods, add them to the smods */ +static void +find_and_add_mod(Slapi_Entry *ent, Slapi_Mods *smods, const char *type, + const char *val, size_t vallen, int *do_modify) +{ + int found = 1; + Slapi_Value *sv = slapi_value_new(); + LDAPMod *mod = NULL; + + slapi_value_init_string(sv, val); + if (!slapi_entry_attr_has_syntax_value(ent, type, sv)) { + /* entry doesn't have type val - see if there is already + a mod in the mods list that adds it replaces it */ + found = 0; /* not found in entry - see if in mod list */ + for (mod = slapi_mods_get_first_mod(smods); + !found && mod; + mod = slapi_mods_get_next_mod(smods)) { + int ii; + if (PL_strcasecmp(mod->mod_type, type)) { + continue; /* skip - not a mod of this type */ + } + if (!(mod->mod_op & (LDAP_MOD_ADD|LDAP_MOD_REPLACE))) { + continue; /* skip - not an add or replace op */ + } + /* now see if val is in the list of vals for this mod op */ + for (ii = 0; + !found && mod->mod_bvalues && mod->mod_bvalues[ii]; + ++ii) { + if (mod->mod_bvalues[ii]->bv_val) { + found = !PL_strncasecmp(mod->mod_bvalues[ii]->bv_val, + val, vallen); + } + } + } + } + if (!found) { + slapi_mods_add_string(smods, LDAP_MOD_ADD, type, val); + if (do_modify) { + *do_modify = 1; /* added a mod */ + } + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "<-- find_and_add_mod - added value [%s] " + "to attribute [%s] in entry [%s]\n", + val, type, slapi_entry_get_dn_const(ent)); + } + slapi_value_free(&sv); + + return; +} + +/* + * If force sync is true, any time an entry is being added or modified + * in DS, we must ensure the entry has the ntUser objectclass, and that + * it has the ntUserDomainID attribute, and the value of that attribute + * corresponds to the samAccountName in the AD entry. + * ad_entry - entry from AD + * ds_entry - entry from DS + * + * The appropriate modify operation will be added to the given smods + * if it doesn't already exist. + */ +static void +do_force_sync( + const Slapi_Entry *ad_entry, /* the AD entry */ + Slapi_Entry *ds_entry, /* the DS entry */ + Slapi_Mods *smods, /* the mod list for MODIFYs */ + int *do_modify /* if not NULL, set to true if mods were added */ +) +{ + IPA_WinSync_Config *global_ipaconfig = ipa_winsync_get_config(); + PRBool forceSync; + + slapi_lock_mutex(global_ipaconfig->lock); + forceSync = global_ipaconfig->forceSync; + slapi_unlock_mutex(global_ipaconfig->lock); + + if (forceSync == PR_FALSE) { + return; /* not supported */ + } + + slapi_log_error(SLAPI_LOG_PLUGIN, ipa_winsync_plugin_name, + "do_force_sync - forcing sync of AD entry [%s] " + "with DS entry [%s]\n", + slapi_entry_get_dn_const(ad_entry), + slapi_entry_get_dn_const(ds_entry)); + + find_and_add_mod(ds_entry, smods, "objectClass", "ntUser", (size_t)6, do_modify); + + return; +} |