test get display name and uid from ldap , show in log
[citadel.git] / citadel / ldap.c
index d5f5d41ce11e5a9aa66d096edee7b17f007c616b..2a770f839c66bf108fd908e06d0d7c55b080c124 100644 (file)
@@ -22,6 +22,7 @@ int ctdl_require_ldap_version = 3;
 #include "citadel_ldap.h"
 #include "ctdl_module.h"
 #include "user_ops.h"
+#include "internet_addressing.h"
 #include "config.h"
 
 #ifdef HAVE_LDAP
@@ -140,6 +141,7 @@ int CtdlTryUserLDAP(char *username,
                        syslog(LOG_DEBUG, "ldap: dn = %s", user_dn);
                }
 
+/* begin - centralize this */
                if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD) {
                        values = ldap_get_values(ldserver, search_result, "displayName");
                        if (values) {
@@ -160,6 +162,8 @@ int CtdlTryUserLDAP(char *username,
                                ldap_value_free(values);
                        }
                }
+/* end - centralize this */
+
                /* If we know the username is the CN/displayName, we already set the uid*/
                if (lookup_based_on_username==0) {
                        if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD) {
@@ -438,8 +442,247 @@ int Ctdl_LDAP_to_vCard(char *ldap_dn, struct vCard *v)
 
        /* unbind so we can go back in as the authenticating user */
        ldap_unbind(ldserver);
-       
        return(changed_something);      /* tell the caller whether we made any changes */
 }
 
+
+/*
+ * Extract a user's Internet email addresses from LDAP.
+ * Returns zero if we got a valid set of addresses; nonzero for error.
+ */
+int extract_email_addresses_from_ldap(char *ldap_dn, char *emailaddrs)
+{
+       LDAP *ldserver = NULL;
+       int i;
+       struct timeval tv;
+       LDAPMessage *search_result = NULL;
+       LDAPMessage *entry = NULL;
+       char **mail;
+       char *attrs[] = { "*","+",NULL};
+
+       if (!ldap_dn) return(1);
+       if (!emailaddrs) return(1);
+
+       if (ctdl_ldap_initialize(&ldserver) != LDAP_SUCCESS) {
+               return(2);
+       }
+
+       ldap_set_option(ldserver, LDAP_OPT_PROTOCOL_VERSION, &ctdl_require_ldap_version);
+       ldap_set_option(ldserver, LDAP_OPT_REFERRALS, (void *)LDAP_OPT_OFF);
+
+       striplt(CtdlGetConfigStr("c_ldap_bind_dn"));
+       striplt(CtdlGetConfigStr("c_ldap_bind_pw"));
+       syslog(LOG_DEBUG, "ldap: bind DN: %s", CtdlGetConfigStr("c_ldap_bind_dn"));
+       i = ldap_simple_bind_s(ldserver,
+               (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_dn")) ? CtdlGetConfigStr("c_ldap_bind_dn") : NULL),
+               (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_pw")) ? CtdlGetConfigStr("c_ldap_bind_pw") : NULL)
+       );
+       if (i != LDAP_SUCCESS) {
+               syslog(LOG_ERR, "ldap: Cannot bind: %s (%d)", ldap_err2string(i), i);
+               return(3);
+       }
+
+       tv.tv_sec = 10;
+       tv.tv_usec = 0;
+
+       syslog(LOG_DEBUG, "ldap: search: %s", ldap_dn);
+       (void) ldap_search_ext_s(
+               ldserver,                               // ld
+               ldap_dn,                                // base
+               LDAP_SCOPE_SUBTREE,                     // scope
+               NULL,                                   // filter
+               attrs,                                  // attrs (all attributes)
+               0,                                      // attrsonly (attrs + values)
+               NULL,                                   // serverctrls (none)
+               NULL,                                   // clientctrls (none)
+               &tv,                                    // timeout
+               1,                                      // sizelimit (1 result max)
+               &search_result                          // res
+       );
+       
+       /* Ignore the return value of ldap_search_ext_s().  Sometimes it returns an error even when
+        * the search succeeds.  Instead, we check to see whether search_result is still NULL.
+        */
+       if (search_result == NULL) {
+               syslog(LOG_DEBUG, "ldap: zero search results were returned");
+               ldap_unbind(ldserver);
+               return(4);
+       }
+
+       /* At this point we've got at least one result from our query.  If there are multiple
+        * results, we still only look at the first one.
+        */
+       emailaddrs[0] = 0;      /* clear out any previous results */
+       entry = ldap_first_entry(ldserver, search_result);
+       if (entry) {
+               syslog(LOG_DEBUG, "ldap: search got user details");
+               mail=ldap_get_values(ldserver, search_result, "mail");
+
+               if (mail) {
+                       int q;
+                       for (q=0; q<ldap_count_values(mail); ++q) {
+                               if (IsDirectory(mail[q], 0)) {
+                                       syslog(LOG_DEBUG, "\035FIXME YES DIRECTORY %s\033[0m", mail[q]);
+                                       if ((strlen(emailaddrs) + strlen(mail[q]) + 2) > 512) {
+                                               syslog(LOG_ERR, "ldap: can't fit all email addresses into user record");
+                                       }
+                                       else {
+                                               if (!IsEmptyStr(emailaddrs)) {
+                                                       strcat(emailaddrs, "|");
+                                               }
+                                               strcat(emailaddrs, mail[q]);
+                                       }
+                               }
+                       }
+               }
+       }
+
+       /* free the results */
+       ldap_msgfree(search_result);
+
+       /* unbind so we can go back in as the authenticating user */
+       ldap_unbind(ldserver);
+       return(0);
+}
+
+
+/*
+ * Scan LDAP for users and populate Citadel's user database with everyone
+ */
+void CtdlPopulateUsersFromLDAP(void)
+{
+       LDAP *ldserver = NULL;
+       int i;
+       LDAPMessage *search_result = NULL;
+       LDAPMessage *entry = NULL;
+       char *user_dn = NULL;
+       char searchstring[1024];
+       struct timeval tv;
+       char **values;
+
+       if ((CtdlGetConfigInt("c_auth_mode") != AUTHMODE_LDAP) && (CtdlGetConfigInt("c_auth_mode") != AUTHMODE_LDAP_AD)) {
+               return;         // not running LDAP
+       }
+
+       syslog(LOG_INFO, "ldap: populating Citadel user database from LDAP");
+
+       if (ctdl_ldap_initialize(&ldserver) != LDAP_SUCCESS) {
+               return;
+       }
+
+       ldap_set_option(ldserver, LDAP_OPT_PROTOCOL_VERSION, &ctdl_require_ldap_version);
+       ldap_set_option(ldserver, LDAP_OPT_REFERRALS, (void *)LDAP_OPT_OFF);
+
+       striplt(CtdlGetConfigStr("c_ldap_bind_dn"));
+       striplt(CtdlGetConfigStr("c_ldap_bind_pw"));
+       syslog(LOG_DEBUG, "ldap: bind DN: %s", CtdlGetConfigStr("c_ldap_bind_dn"));
+       i = ldap_simple_bind_s(ldserver,
+               (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_dn")) ? CtdlGetConfigStr("c_ldap_bind_dn") : NULL),
+               (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_pw")) ? CtdlGetConfigStr("c_ldap_bind_pw") : NULL)
+       );
+       if (i != LDAP_SUCCESS) {
+               syslog(LOG_ERR, "ldap: Cannot bind: %s (%d)", ldap_err2string(i), i);
+               return;
+       }
+
+       tv.tv_sec = 10;
+       tv.tv_usec = 0;
+
+       if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD) {
+                       snprintf(searchstring, sizeof(searchstring), "(&(objectClass=user)(objectClass=person)(!(objectClass=computer)))");
+       } else {
+                       snprintf(searchstring, sizeof(searchstring), "(objectClass=inetOrgPerson)");
+       }
+
+       syslog(LOG_DEBUG, "ldap: search: %s", searchstring);
+       (void) ldap_search_ext_s(
+               ldserver,                                       // ld
+               CtdlGetConfigStr("c_ldap_base_dn"),             // base
+               LDAP_SCOPE_SUBTREE,                             // scope
+               searchstring,                                   // filter
+               NULL,                                           // attrs (all attributes)
+               0,                                              // attrsonly (attrs + values)
+               NULL,                                           // serverctrls (none)
+               NULL,                                           // clientctrls (none)
+               &tv,                                            // timeout
+               INT_MAX,                                        // sizelimit (max)
+               &search_result                                  // result
+       );
+
+       /* Ignore the return value of ldap_search_ext_s().  Sometimes it returns an error even when
+        * the search succeeds.  Instead, we check to see whether search_result is still NULL.
+        */
+       if (search_result == NULL) {
+               syslog(LOG_DEBUG, "ldap: zero search results were returned");
+               ldap_unbind(ldserver);
+               return;
+       }
+
+       syslog(LOG_DEBUG, "ldap: %d entries returned", ldap_count_entries(ldserver, search_result));
+       entry = ldap_first_entry(ldserver, search_result);
+       while (entry) {
+
+               user_dn = ldap_get_dn(ldserver, entry);
+               if (user_dn) {
+                       syslog(LOG_DEBUG, "ldap: found %s", user_dn);
+
+                       // FIXME now create or update the user begin
+                       int fullname_size = 256;
+                       char fullname[256] = { 0 } ;
+                       uid_t uid = (-1);
+
+                       if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD) {
+                               values = ldap_get_values(ldserver, entry, "displayName");       // AD: fullname = displayName
+                               if (values) {
+                                       if (values[0]) {
+                                               safestrncpy(fullname, values[0], fullname_size);
+                                       }
+                                       ldap_value_free(values);
+                               }
+                               values = ldap_get_values(ldserver, entry, "objectGUID");        // AD: uid hashed from objectGUID
+                               if (values) {
+                                       if (values[0]) {
+                                               uid = abs(HashLittle(values[0], strlen(values[0])));
+                                       }
+                                       ldap_value_free(values);
+                               }
+                       }
+                       else {
+                               values = ldap_get_values(ldserver, entry, "cn");                // non-AD: fullname = cn
+                               if (values) {
+                                       if (values[0]) {
+                                               safestrncpy(fullname, values[0], fullname_size);
+                                       }
+                                       ldap_value_free(values);
+                               }
+                               values = ldap_get_values(ldserver, entry, "uidNumber");         // non-AD: uid = uidNumber
+                               if (values) {
+                                       if (values[0]) {
+                                               uid = atoi(values[0]);
+                                       }
+                                       ldap_value_free(values);
+                               }
+                       }
+
+                       syslog(LOG_DEBUG, "\033[33mldap: display name: <%s> , uid = <%d>\033[0m", fullname, uid);
+
+
+                       // FIXME now create or update the user end
+
+
+
+
+
+               }
+
+               entry = ldap_next_entry(ldserver, entry);
+       }
+
+       /* free the results */
+       ldap_msgfree(search_result);
+
+       /* unbind so we can go back in as the authenticating user */
+       ldap_unbind(ldserver);
+}
+
 #endif /* HAVE_LDAP */