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authorGünther Deschner <gd@samba.org>2005-01-19 09:58:29 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 10:53:57 -0500
commit0c6010238d5eda73bbd6b9e81e2261d19bc01bb7 (patch)
tree8c437a049c33cf5504eec9ef303d35bf99ba917c /source3/lib
parent87965a24259ed99f2e2f168747405fd3c2ffc815 (diff)
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r4840: * Add more generic root-dse inspection function to check for given
controls or extensions. * Check and remember if ldapsam's LDAP Server support paged results (in preparation of adding async paged-results to set|get|end-sampwent in ldapsam). Guenther (This used to be commit ced58bd8849cdef78513674dff1b1ec331945aa9)
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/smbldap.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/source3/lib/smbldap.c b/source3/lib/smbldap.c
index 518bafcc74..7908bc254d 100644
--- a/source3/lib/smbldap.c
+++ b/source3/lib/smbldap.c
@@ -806,6 +806,7 @@ static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_
int rc;
char *ldap_dn;
char *ldap_secret;
+ int version;
/* get the password */
if (!fetch_ldap_pw(&ldap_dn, &ldap_secret)) {
@@ -855,7 +856,14 @@ static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_
ldap_state->num_failures = 0;
+ ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
+
+ if (smbldap_has_control(ldap_state, ADS_PAGE_CTL_OID) && version == 3) {
+ ldap_state->paged_results = True;
+ }
+
DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
+ DEBUGADD(3, ("ldap_connect_system: LDAP server %s support paged results\n", ldap_state->paged_results?"does":"does not"));
return rc;
}
@@ -1431,3 +1439,96 @@ char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
return unix_dn;
}
+/*******************************************************************
+ Check if root-dse has a certain Control or Extension
+********************************************************************/
+
+static BOOL smbldap_check_root_dse(struct smbldap_state *ldap_state, 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;
+
+ if (!attrs[0]) {
+ DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
+ return False;
+ }
+
+ if (!strequal(attrs[0], "supportedExtension") &&
+ !strequal(attrs[0], "supportedControl")) {
+ DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs[0]));
+ return False;
+ }
+
+ rc = ldap_search_s(ldap_state->ldap_struct, "", LDAP_SCOPE_BASE,
+ "(objectclass=*)", attrs, 0 , &msg);
+
+ if (rc != LDAP_SUCCESS) {
+ DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
+ return False;
+ }
+
+ num_result = ldap_count_entries(ldap_state->ldap_struct, msg);
+
+ if (num_result != 1) {
+ DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result));
+ goto done;
+ }
+
+ entry = ldap_first_entry(ldap_state->ldap_struct, msg);
+
+ if (entry == NULL) {
+ DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
+ goto done;
+ }
+
+ values = ldap_get_values(ldap_state->ldap_struct, entry, attrs[0]);
+
+ if (values == NULL) {
+ DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs[0]));
+ goto done;
+ }
+
+ num_values = ldap_count_values(values);
+
+ if (num_values == 0) {
+ DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs[0]));
+ goto done;
+ }
+
+ for (i=0; i<num_values; i++) {
+ if (strcmp(values[i], value) == 0)
+ result = True;
+ }
+
+
+ done:
+ if (values != NULL)
+ ldap_value_free(values);
+ if (msg != NULL)
+ ldap_msgfree(msg);
+
+ return result;
+}
+
+/*******************************************************************
+ Check if LDAP-Server supports a certain Control (OID in string format)
+********************************************************************/
+
+BOOL smbldap_has_control(struct smbldap_state *ldap_state, const char *control)
+{
+ const char *attrs[] = { "supportedControl", NULL };
+ return smbldap_check_root_dse(ldap_state, attrs, control);
+}
+
+/*******************************************************************
+ Check if LDAP-Server supports a certain Extension (OID in string format)
+********************************************************************/
+
+BOOL smbldap_has_extension(struct smbldap_state *ldap_state, const char *extension)
+{
+ const char *attrs[] = { "supportedExtension", NULL };
+ return smbldap_check_root_dse(ldap_state, attrs, extension);
+}