Code

Revert "Merge tag 'upstream/5.5.0'"
[pkg-collectd.git] / src / openldap.c
diff --git a/src/openldap.c b/src/openldap.c
deleted file mode 100644 (file)
index bca686e..0000000
+++ /dev/null
@@ -1,682 +0,0 @@
-/**
- * collectd - src/openldap.c
- * Copyright (C) 2011       Kimo Rosenbaum
- * Copyright (C) 2014       Marc Fournier
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *   Kimo Rosenbaum <kimor79 at yahoo.com>
- *   Marc Fournier <marc.fournier at camptocamp.com>
- **/
-
-#include "collectd.h"
-#include "common.h"
-#include "plugin.h"
-#include "configfile.h"
-
-#include <lber.h>
-#include <ldap.h>
-
-struct cldap_s /* {{{ */
-{
-       char *name;
-
-       char *cacert;
-       char *host;
-       int   state;
-       _Bool starttls;
-       int   timeout;
-       char *url;
-       _Bool verifyhost;
-       int   version;
-
-       LDAP *ld;
-};
-typedef struct cldap_s cldap_t; /* }}} */
-
-static void cldap_free (cldap_t *st) /* {{{ */
-{
-       if (st == NULL)
-               return;
-
-       sfree (st->cacert);
-       sfree (st->host);
-       sfree (st->name);
-       sfree (st->url);
-       if (st->ld)
-               ldap_memfree (st->ld);
-       sfree (st);
-} /* }}} void cldap_free */
-
-/* initialize ldap for each host */
-static int cldap_init_host (cldap_t *st) /* {{{ */
-{
-       LDAP *ld;
-       int rc;
-       rc = ldap_initialize (&ld, st->url);
-       if (rc != LDAP_SUCCESS)
-       {
-               ERROR ("openldap plugin: ldap_initialize failed: %s",
-                       ldap_err2string (rc));
-               st->state = 0;
-               ldap_unbind_ext_s (ld, NULL, NULL);
-               return (-1);
-       }
-
-       st->ld = ld;
-
-       ldap_set_option (st->ld, LDAP_OPT_PROTOCOL_VERSION, &st->version);
-
-       ldap_set_option (st->ld, LDAP_OPT_TIMEOUT,
-               &(const struct timeval){st->timeout, 0});
-
-       if (st->cacert != NULL)
-               ldap_set_option (st->ld, LDAP_OPT_X_TLS_CACERTFILE, st->cacert);
-
-       if (st->verifyhost == 0)
-       {
-               int never = LDAP_OPT_X_TLS_NEVER;
-               ldap_set_option (st->ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &never);
-       }
-
-       if (st->starttls != 0)
-       {
-               rc = ldap_start_tls_s (ld, NULL, NULL);
-               if (rc != LDAP_SUCCESS)
-               {
-                       ERROR ("openldap plugin: Failed to start tls on %s: %s",
-                                       st->url, ldap_err2string (rc));
-                       st->state = 0;
-                       ldap_unbind_ext_s (st->ld, NULL, NULL);
-                       return (-1);
-               }
-       }
-
-       struct berval cred;
-       cred.bv_val = "";
-       cred.bv_len = 0;
-
-       rc = ldap_sasl_bind_s (st->ld, NULL, NULL, &cred, NULL, NULL, NULL);
-       if (rc != LDAP_SUCCESS)
-       {
-               ERROR ("openldap plugin: Failed to bind to %s: %s",
-                               st->url, ldap_err2string (rc));
-               st->state = 0;
-               ldap_unbind_ext_s (st->ld, NULL, NULL);
-               return (-1);
-       }
-       else
-       {
-               DEBUG ("openldap plugin: Successfully connected to %s",
-                               st->url);
-               st->state = 1;
-               return (0);
-       }
-} /* }}} static cldap_init_host */
-
-static void cldap_submit_value (const char *type, const char *type_instance, /* {{{ */
-               value_t value, cldap_t *st)
-{
-       value_list_t vl = VALUE_LIST_INIT;
-
-       vl.values     = &value;
-       vl.values_len = 1;
-
-       if ((st->host == NULL)
-                       || (strcmp ("", st->host) == 0)
-                       || (strcmp ("localhost", st->host) == 0))
-       {
-               sstrncpy (vl.host, hostname_g, sizeof (vl.host));
-       }
-       else
-       {
-               sstrncpy (vl.host, st->host, sizeof (vl.host));
-       }
-
-       sstrncpy (vl.plugin, "openldap", sizeof (vl.plugin));
-       if (st->name != NULL)
-               sstrncpy (vl.plugin_instance, st->name,
-                               sizeof (vl.plugin_instance));
-
-       sstrncpy (vl.type, type, sizeof (vl.type));
-       if (type_instance != NULL)
-               sstrncpy (vl.type_instance, type_instance,
-                               sizeof (vl.type_instance));
-
-       plugin_dispatch_values (&vl);
-} /* }}} void cldap_submit_value */
-
-static void cldap_submit_derive (const char *type, const char *type_instance, /* {{{ */
-               derive_t d, cldap_t *st)
-{
-       value_t v;
-       v.derive = d;
-       cldap_submit_value (type, type_instance, v, st);
-} /* }}} void cldap_submit_derive */
-
-static void cldap_submit_gauge (const char *type, const char *type_instance, /* {{{ */
-               gauge_t g, cldap_t *st)
-{
-       value_t v;
-       v.gauge = g;
-       cldap_submit_value (type, type_instance, v, st);
-} /* }}} void cldap_submit_gauge */
-
-static int cldap_read_host (user_data_t *ud) /* {{{ */
-{
-       cldap_t *st;
-       LDAPMessage *e, *result;
-       char *dn;
-       int rc;
-       int status;
-
-       char *attrs[9] = { "monitorCounter",
-                               "monitorOpCompleted",
-                               "monitorOpInitiated",
-                               "monitoredInfo",
-                               "olmBDBEntryCache",
-                               "olmBDBDNCache",
-                               "olmBDBIDLCache",
-                               "namingContexts",
-                               NULL };
-
-       if ((ud == NULL) || (ud->data == NULL))
-       {
-               ERROR ("openldap plugin: cldap_read_host: Invalid user data.");
-               return (-1);
-       }
-
-       st = (cldap_t *) ud->data;
-
-       status = cldap_init_host (st);
-       if (status != 0)
-               return (-1);
-
-       rc = ldap_search_ext_s (st->ld, "cn=Monitor", LDAP_SCOPE_SUBTREE,
-               "(|(!(cn=* *))(cn=Database*))", attrs, 0,
-               NULL, NULL, NULL, 0, &result);
-
-       if (rc != LDAP_SUCCESS)
-       {
-               ERROR ("openldap plugin: Failed to execute search: %s",
-                               ldap_err2string (rc));
-               ldap_msgfree (result);
-               ldap_unbind_ext_s (st->ld, NULL, NULL);
-               return (-1);
-       }
-
-       for (e = ldap_first_entry (st->ld, result); e != NULL;
-               e = ldap_next_entry (st->ld, e))
-       {
-               if ((dn = ldap_get_dn (st->ld, e)) != NULL)
-               {
-                       unsigned long long counter = 0;
-                       unsigned long long opc = 0;
-                       unsigned long long opi = 0;
-                       unsigned long long info = 0;
-
-                       struct berval counter_data;
-                       struct berval opc_data;
-                       struct berval opi_data;
-                       struct berval info_data;
-                       struct berval olmbdb_data;
-                       struct berval nc_data;
-
-                       struct berval **counter_list;
-                       struct berval **opc_list;
-                       struct berval **opi_list;
-                       struct berval **info_list;
-                       struct berval **olmbdb_list;
-                       struct berval **nc_list;
-
-                       if ((counter_list = ldap_get_values_len (st->ld, e,
-                               "monitorCounter")) != NULL)
-                       {
-                               counter_data = *counter_list[0];
-                               counter = atoll (counter_data.bv_val);
-                       }
-
-                       if ((opc_list = ldap_get_values_len (st->ld, e,
-                               "monitorOpCompleted")) != NULL)
-                       {
-                               opc_data = *opc_list[0];
-                               opc = atoll (opc_data.bv_val);
-                       }
-
-                       if ((opi_list = ldap_get_values_len (st->ld, e,
-                               "monitorOpInitiated")) != NULL)
-                       {
-                               opi_data = *opi_list[0];
-                               opi = atoll (opi_data.bv_val);
-                       }
-
-                       if ((info_list = ldap_get_values_len (st->ld, e,
-                               "monitoredInfo")) != NULL)
-                       {
-                               info_data = *info_list[0];
-                               info = atoll (info_data.bv_val);
-                       }
-
-                       if (strcmp (dn, "cn=Total,cn=Connections,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("total_connections", NULL,
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Current,cn=Connections,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_gauge ("current_connections", NULL,
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Operations,cn=Monitor") == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Bind,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "bind-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "bind-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=UnBind,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "unbind-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "unbind-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Search,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "search-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "search-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Compare,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "compare-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "compare-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Modify,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "modify-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "modify-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Modrdn,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "modrdn-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "modrdn-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Add,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "add-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "add-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Delete,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "delete-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "delete-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Abandon,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "abandon-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "abandon-initiated", opi, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Extended,cn=Operations,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("operations",
-                                       "extended-completed", opc, st);
-                               cldap_submit_derive ("operations",
-                                       "extended-initiated", opi, st);
-                       }
-                       else if ((strncmp (dn, "cn=Database", 11) == 0)
-                               && ((nc_list = ldap_get_values_len
-                                               (st->ld, e, "namingContexts")) != NULL))
-                       {
-                               nc_data = *nc_list[0];
-                               char typeinst[DATA_MAX_NAME_LEN];
-
-                               if ((olmbdb_list = ldap_get_values_len (st->ld, e,
-                                       "olmBDBEntryCache")) != NULL)
-                               {
-                                       olmbdb_data = *olmbdb_list[0];
-                                       ssnprintf (typeinst, sizeof (typeinst),
-                                               "bdbentrycache-%s", nc_data.bv_val);
-                                       cldap_submit_gauge ("cache_size", typeinst,
-                                               atoll (olmbdb_data.bv_val), st);
-                                       ldap_value_free_len (olmbdb_list);
-                               }
-
-                               if ((olmbdb_list = ldap_get_values_len (st->ld, e,
-                                       "olmBDBDNCache")) != NULL)
-                               {
-                                       olmbdb_data = *olmbdb_list[0];
-                                       ssnprintf (typeinst, sizeof (typeinst),
-                                               "bdbdncache-%s", nc_data.bv_val);
-                                       cldap_submit_gauge ("cache_size", typeinst,
-                                               atoll (olmbdb_data.bv_val), st);
-                                       ldap_value_free_len (olmbdb_list);
-                               }
-
-                               if ((olmbdb_list = ldap_get_values_len (st->ld, e,
-                                       "olmBDBIDLCache")) != NULL)
-                               {
-                                       olmbdb_data = *olmbdb_list[0];
-                                       ssnprintf (typeinst, sizeof (typeinst),
-                                               "bdbidlcache-%s", nc_data.bv_val);
-                                       cldap_submit_gauge ("cache_size", typeinst,
-                                               atoll (olmbdb_data.bv_val), st);
-                                       ldap_value_free_len (olmbdb_list);
-                               }
-
-                               ldap_value_free_len (nc_list);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Bytes,cn=Statistics,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("derive", "statistics-bytes",
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=PDU,cn=Statistics,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("derive", "statistics-pdu",
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Entries,cn=Statistics,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("derive", "statistics-entries",
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Referrals,cn=Statistics,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("derive", "statistics-referrals",
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Open,cn=Threads,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_gauge ("threads", "threads-open",
-                                       info, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Starting,cn=Threads,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_gauge ("threads", "threads-starting",
-                                       info, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Active,cn=Threads,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_gauge ("threads", "threads-active",
-                                       info, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Pending,cn=Threads,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_gauge ("threads", "threads-pending",
-                                       info, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Backload,cn=Threads,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_gauge ("threads", "threads-backload",
-                                       info, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Read,cn=Waiters,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("derive", "waiters-read",
-                                       counter, st);
-                       }
-                       else if (strcmp (dn,
-                                       "cn=Write,cn=Waiters,cn=Monitor")
-                                       == 0)
-                       {
-                               cldap_submit_derive ("derive", "waiters-write",
-                                       counter, st);
-                       }
-
-                       ldap_value_free_len (counter_list);
-                       ldap_value_free_len (opc_list);
-                       ldap_value_free_len (opi_list);
-                       ldap_value_free_len (info_list);
-               }
-
-               ldap_memfree (dn);
-       }
-
-       ldap_msgfree (result);
-       ldap_unbind_ext_s (st->ld, NULL, NULL);
-       return (0);
-} /* }}} int cldap_read_host */
-
-/* Configuration handling functions {{{
- *
- * <Plugin ldap>
- *   <Instance "plugin_instance1">
- *     URL "ldap://localhost"
- *     ...
- *   </Instance>
- * </Plugin>
- */
-
-static int cldap_config_add (oconfig_item_t *ci) /* {{{ */
-{
-       cldap_t *st;
-       int i;
-       int status;
-
-       st = malloc (sizeof (*st));
-       if (st == NULL)
-       {
-               ERROR ("openldap plugin: malloc failed.");
-               return (-1);
-       }
-       memset (st, 0, sizeof (*st));
-
-       status = cf_util_get_string (ci, &st->name);
-       if (status != 0)
-       {
-               sfree (st);
-               return (status);
-       }
-
-       st->starttls = 0;
-       st->timeout = -1;
-       st->verifyhost = 1;
-       st->version = LDAP_VERSION3;
-
-       for (i = 0; i < ci->children_num; i++)
-       {
-               oconfig_item_t *child = ci->children + i;
-
-               if (strcasecmp ("CACert", child->key) == 0)
-                       status = cf_util_get_string (child, &st->cacert);
-               else if (strcasecmp ("StartTLS", child->key) == 0)
-                       status = cf_util_get_boolean (child, &st->starttls);
-               else if (strcasecmp ("Timeout", child->key) == 0)
-                       status = cf_util_get_int (child, &st->timeout);
-               else if (strcasecmp ("URL", child->key) == 0)
-                       status = cf_util_get_string (child, &st->url);
-               else if (strcasecmp ("VerifyHost", child->key) == 0)
-                       status = cf_util_get_boolean (child, &st->verifyhost);
-               else if (strcasecmp ("Version", child->key) == 0)
-                       status = cf_util_get_int (child, &st->version);
-               else
-               {
-                       WARNING ("openldap plugin: Option `%s' not allowed here.",
-                                       child->key);
-                       status = -1;
-               }
-
-               if (status != 0)
-                       break;
-       }
-
-       /* Check if struct is complete.. */
-       if ((status == 0) && (st->url == NULL))
-       {
-               ERROR ("openldap plugin: Instance `%s': "
-                               "No URL has been configured.",
-                               st->name);
-               status = -1;
-       }
-
-       /* Check if URL is valid */
-       if ((status == 0) && (st->url != NULL))
-       {
-               LDAPURLDesc *ludpp;
-               int rc;
-
-               if ((rc = ldap_url_parse (st->url, &ludpp)) != 0)
-               {
-                       ERROR ("openldap plugin: Instance `%s': "
-                               "Invalid URL: `%s'",
-                               st->name, st->url);
-                       status = -1;
-               }
-               else
-               {
-                       st->host = strdup (ludpp->lud_host);
-               }
-
-               ldap_free_urldesc (ludpp);
-       }
-
-       if (status == 0)
-       {
-               user_data_t ud;
-               char callback_name[3*DATA_MAX_NAME_LEN];
-
-               memset (&ud, 0, sizeof (ud));
-               ud.data = st;
-
-               memset (callback_name, 0, sizeof (callback_name));
-               ssnprintf (callback_name, sizeof (callback_name),
-                               "openldap/%s/%s",
-                               (st->host != NULL) ? st->host : hostname_g,
-                               (st->name != NULL) ? st->name : "default"),
-
-               status = plugin_register_complex_read (/* group = */ NULL,
-                               /* name      = */ callback_name,
-                               /* callback  = */ cldap_read_host,
-                               /* interval  = */ NULL,
-                               /* user_data = */ &ud);
-       }
-
-       if (status != 0)
-       {
-               cldap_free (st);
-               return (-1);
-       }
-
-       return (0);
-} /* }}} int cldap_config_add */
-
-static int cldap_config (oconfig_item_t *ci) /* {{{ */
-{
-       int i;
-       int status = 0;
-
-       for (i = 0; i < ci->children_num; i++)
-       {
-               oconfig_item_t *child = ci->children + i;
-
-               if (strcasecmp ("Instance", child->key) == 0)
-                       cldap_config_add (child);
-               else
-                       WARNING ("openldap plugin: The configuration option "
-                                       "\"%s\" is not allowed here. Did you "
-                                       "forget to add an <Instance /> block "
-                                       "around the configuration?",
-                                       child->key);
-       } /* for (ci->children) */
-
-       return (status);
-} /* }}} int cldap_config */
-
-/* }}} End of configuration handling functions */
-
-static int cldap_init (void) /* {{{ */
-{
-       /* Initialize LDAP library while still single-threaded as recommended in
-        * ldap_initialize(3) */
-       int debug_level;
-       ldap_get_option (NULL, LDAP_OPT_DEBUG_LEVEL, &debug_level);
-       return (0);
-} /* }}} int cldap_init */
-
-void module_register (void) /* {{{ */
-{
-       plugin_register_complex_config ("openldap", cldap_config);
-       plugin_register_init ("openldap", cldap_init);
-} /* }}} void module_register */