[asterisk-commits] oej: trunk r222615 - /trunk/res/res_config_ldap.c

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Wed Oct 7 13:57:33 CDT 2009


Author: oej
Date: Wed Oct  7 13:57:29 2009
New Revision: 222615

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=222615
Log:
Formatting, moving error messages to ERROR, removing references to unexisting debug output. No functionality changes.

Modified:
    trunk/res/res_config_ldap.c

Modified: trunk/res/res_config_ldap.c
URL: http://svnview.digium.com/svn/asterisk/trunk/res/res_config_ldap.c?view=diff&rev=222615&r1=222614&r2=222615
==============================================================================
--- trunk/res/res_config_ldap.c (original)
+++ trunk/res/res_config_ldap.c Wed Oct  7 13:57:29 2009
@@ -28,7 +28,7 @@
  * \author Carl-Einar Thorner <cthorner at voicerd.com>
  * \author Russell Bryant <russell at digium.com>
  *
- * \arg http://www.openldap.org
+ * \extref OpenLDAP http://www.openldap.org
  */
 
 /*** MODULEINFO
@@ -168,10 +168,11 @@
 {
 	struct ast_variable *var_value = variable_named(var, "variable_value");
 
-	if (!var_value)
+	if (!var_value) {
 		return 0;
-
-	ast_debug(1, "LINE(%d) semicolon_count_var: %s\n", __LINE__, var_value->value);
+	}
+
+	ast_debug(2, "LINE(%d) semicolon_count_var: %s\n", __LINE__, var_value->value);
 
 	return semicolon_count_str(var_value->value);
 }
@@ -182,14 +183,17 @@
 {
 	struct ast_variable *var;
 
-	if (ast_strlen_zero(attribute_name) || ast_strlen_zero(attribute_value))
+	if (ast_strlen_zero(attribute_name) || ast_strlen_zero(attribute_value)) {
 		return;
-
-	if (!(var = ast_variable_new(attribute_name, attribute_value, table_config->table_name)))
+	}
+
+	if (!(var = ast_variable_new(attribute_name, attribute_value, table_config->table_name))) {
 		return;
-
-	if (table_config->attributes)
+	}
+
+	if (table_config->attributes) {
 		var->next = table_config->attributes;
+	}
 	table_config->attributes = var;
 }
 
@@ -200,12 +204,15 @@
 	struct ldap_table_config *c;
 
 	while ((c = AST_LIST_REMOVE_HEAD(&table_configs, entry))) {
-		if (c->table_name)
-			free(c->table_name);
-		if (c->additional_filter)
-			free(c->additional_filter);
-		if (c->attributes)
+		if (c->table_name) {
+			ast_free(c->table_name);
+		}
+		if (c->additional_filter) {
+			ast_free(c->additional_filter);
+		}
+		if (c->attributes) {
 			ast_variables_destroy(c->attributes);
+		}
 		free(c);
 	}
 
@@ -223,20 +230,23 @@
 	for (i = 0; i < ARRAY_LEN(configs); i++) {
 		struct ast_variable *attribute;
 
-		if (!configs[i])
+		if (!configs[i]) {
 			continue;
+		}
 
 		attribute = configs[i]->attributes;
 		for (; attribute; attribute = attribute->next) {
-			if (!strcasecmp(attribute_name, attribute->name))
+			if (!strcasecmp(attribute_name, attribute->name)) {
 				return attribute->value;
+			}
 		}
 	}
 
 	return attribute_name;
 }
 
-/*! \brief Convert ldap attribute name to variable name - Should be locked before using it */
+/*! \brief Convert ldap attribute name to variable name 
+	\note Should be locked before using it */
 static const char *convert_attribute_name_from_ldap(struct ldap_table_config *table_config,
 						    const char *attribute_name)
 {
@@ -246,22 +256,25 @@
 	for (i = 0; i < ARRAY_LEN(configs); i++) {
 		struct ast_variable *attribute;
 
-		if (!configs[i])
+		if (!configs[i]) {
 			continue;
+		}
 
 		attribute = configs[i]->attributes;
 		for (; attribute; attribute = attribute->next) {
-			if (strcasecmp(attribute_name, attribute->value) == 0)
+			if (strcasecmp(attribute_name, attribute->value) == 0) {
 				return attribute->name;
+			}
 		}
 	}
 
 	return attribute_name;
 }
 
-/*! \brief Get variables from ldap entry attributes - Should be locked before using it
- * \return a linked list of ast_variable variables.
- **/
+/*! \brief Get variables from ldap entry attributes 
+	\note Should be locked before using it
+ 	\return a linked list of ast_variable variables.
+ */
 static struct ast_variable *realtime_ldap_entry_to_var(struct ldap_table_config *table_config,
 	LDAPMessage *ldap_entry)
 {
@@ -304,7 +317,7 @@
 						i = 0;
 						pos = 0;
 						while (!ast_strlen_zero(valptr + i)) {
-							if (valptr[i] == ';'){
+							if (valptr[i] == ';') {
 								valptr[i] = '\0';
 								if (prev) {
 									prev->next = ast_variable_new(attribute_name, &valptr[pos], table_config->table_name);
@@ -364,13 +377,15 @@
 	/* First find the total count */
 	ldap_entry = ldap_first_entry(ldapConn, ldap_result_msg);
 
-	for (tot_count = 0; ldap_entry; tot_count++){ 
+	for (tot_count = 0; ldap_entry; tot_count++) { 
 		tot_count += semicolon_count_var(realtime_ldap_entry_to_var(table_config, ldap_entry));
 		ldap_entry = ldap_next_entry(ldapConn, ldap_entry);
 	}
 
-	if (entries_count_ptr)
+	if (entries_count_ptr) {
 		*entries_count_ptr = tot_count;
+	}
+
 	/* Now that we have the total count we allocate space and create the variables
 	 * Remember that each element in vars is a linked list that points to realtime variable.
 	 * If the we are dealing with a static realtime variable we create a new element in the \a vars array for each delimited
@@ -396,8 +411,7 @@
 			struct berval *value;
 			while (ldap_attribute_name) {
 			
-				const char *attribute_name =
-					convert_attribute_name_from_ldap(table_config, ldap_attribute_name);
+				const char *attribute_name = convert_attribute_name_from_ldap(table_config, ldap_attribute_name);
 				int is_realmed_password_attribute = strcasecmp(attribute_name, "md5secret") == 0;
 				struct berval **values = NULL;
 
@@ -418,8 +432,7 @@
 							ast_debug(2, "md5: %s\n", valptr);
 						}
 						if (valptr) {
-							if (delim_value == NULL 
-								&& !is_realmed_password_attribute 
+							if (delim_value == NULL && !is_realmed_password_attribute 
 								&& (static_table_config != table_config || strcmp(attribute_name, "variable_value") == 0)) {
 
 								delim_value = ast_strdup(valptr);
@@ -430,8 +443,7 @@
 								}
 							}
 
-							if (is_delimited != 0 
-								&& !is_realmed_password_attribute 
+							if (is_delimited != 0 && !is_realmed_password_attribute 
 								&& (static_table_config != table_config || strcmp(attribute_name, "variable_value") == 0) ) {
 								/* for non-Static RealTime, first */
 
@@ -529,10 +541,10 @@
 }
 
 
+/*! \brief Check if we have a connection error */
 static int is_ldap_connect_error(int err)
 {
-	return (err == LDAP_SERVER_DOWN
-			|| err == LDAP_TIMEOUT || err == LDAP_CONNECT_ERROR);
+	return (err == LDAP_SERVER_DOWN || err == LDAP_TIMEOUT || err == LDAP_CONNECT_ERROR);
 }
 
 /*! \brief Get LDAP entry by dn and return attributes as variables  - Should be locked before using it 
@@ -557,9 +569,7 @@
 			result = ldap_search_ext_s(ldapConn, dn, LDAP_SCOPE_BASE,
 					   "(objectclass=*)", NULL, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &ldap_result_msg);
 			if (result != LDAP_SUCCESS && is_ldap_connect_error(result)) {
-				ast_log(LOG_WARNING,
-					"Failed to query database. Try %d/3\n",
-					tries + 1);
+				ast_log(LOG_WARNING, "Failed to query database. Try %d/3\n", tries + 1);
 				tries++;
 				if (tries < 3) {
 					usleep(500000L * tries);
@@ -567,29 +577,29 @@
 						ldap_unbind_ext_s(ldapConn, NULL, NULL);
 						ldapConn = NULL;
 					}
-					if (!ldap_reconnect())
+					if (!ldap_reconnect()) {
 						break;
+					}
 				}
 			}
 		} while (result != LDAP_SUCCESS && tries < 3 && is_ldap_connect_error(result));
 
 		if (result != LDAP_SUCCESS) {
-			ast_log(LOG_WARNING,
-					"Failed to query database. Check debug for more info.\n");
+			ast_log(LOG_WARNING, "Failed to query database. Error: %s.\n", ldap_err2string(result));
 			ast_debug(2, "dn=%s\n", dn);
-			ast_debug(2, "Query Failed because: %s\n",
-				ldap_err2string(result));
 			ast_mutex_unlock(&ldap_lock);
 			return NULL;
 		} else {
 			int num_entry = 0;
 			unsigned int *entries_count_ptr = NULL; /*!< not using this */
+
 			if ((num_entry = ldap_count_entries(ldapConn, ldap_result_msg)) > 0) {
 				ast_debug(3, "num_entry: %d\n", num_entry);
 
 				vars = realtime_ldap_result_to_vars(table_config, ldap_result_msg, entries_count_ptr);
-				if (num_entry > 1)
+				if (num_entry > 1) {
 					ast_log(LOG_NOTICE, "More than one entry for dn=%s. Take only 1st one\n", dn);
+				}
 			} else {
 				ast_debug(2, "Could not find any entry dn=%s.\n", dn);
 			}
@@ -614,7 +624,7 @@
 	}
 }
 
-/*! \brief caller should free returned pointer */
+/*! \note caller should free returned pointer */
 static char *substituted(struct ast_channel *channel, const char *string)
 {
 #define MAXRESULT	2048
@@ -624,12 +634,11 @@
 		ret_string = ast_calloc(1, MAXRESULT);
 		pbx_substitute_variables_helper(channel, string, ret_string, MAXRESULT - 1);
 	}
-	ast_debug(2, "substituted: string: '%s' => '%s' \n",
-		string, ret_string);
+	ast_debug(2, "substituted: string: '%s' => '%s' \n", string, ret_string);
 	return ret_string;
 }
 
-/*! \brief caller should free returned pointer */
+/*! \note caller should free returned pointer */
 static char *cleaned_basedn(struct ast_channel *channel, const char *basedn)
 {
 	char *cbasedn = NULL;
@@ -656,21 +665,22 @@
 	return cbasedn;
 }
 
-/*! \brief Replace \<search\> by \<by\> in string. No check is done on string allocated size ! */
+/*! \brief Replace \<search\> by \<by\> in string. 
+	\note No check is done on string allocated size ! */
 static int replace_string_in_string(char *string, const char *search, const char *by)
 {
 	int search_len = strlen(search);
 	int by_len = strlen(by);
 	int replaced = 0;
 	char *p = strstr(string, search);
+
 	if (p) {
 		replaced = 1;
 		while (p) {
-			if (by_len == search_len)
+			if (by_len == search_len) {
 				memcpy(p, by, by_len);
-			else {
-				memmove(p + by_len, p + search_len,
-						strlen(p + search_len) + 1);
+			} else {
+				memmove(p + by_len, p + search_len, strlen(p + search_len) + 1);
 				memcpy(p, by, by_len);
 			}
 			p = strstr(p + by_len, search);
@@ -692,6 +702,7 @@
 
 	if (like_pos) {
 		int len = like_pos - name;
+
 		name = new_name = ast_strdupa(name);
 		new_name[len] = '\0';
 		value = new_value = ast_strdupa(value);
@@ -726,12 +737,13 @@
 	LDAPMessage *ldap_result_msg = NULL;
 
 	if (!table_name) {
-		ast_log(LOG_WARNING, "No table_name specified.\n");
+		ast_log(LOG_ERROR, "No table_name specified.\n");
 		ast_free(clean_basedn);
 		return NULL;
 	} 
 
 	if (!(filter = ast_str_create(80))) {
+		ast_log(LOG_ERROR, "Can't initialize data structures.n");
 		ast_free(clean_basedn);
 		return NULL;
 	}
@@ -741,7 +753,7 @@
 	newval = va_arg(ap, const char *);
 
 	if (!newparam || !newval) {
-		ast_log(LOG_WARNING, "Realtime retrieval requires at least 1 parameter"
+		ast_log(LOG_ERROR, "Realtime retrieval requires at least 1 parameter"
 			" and 1 value to search on.\n");
 		ast_free(filter);
 		ast_free(clean_basedn);
@@ -769,8 +781,9 @@
 
 	ast_str_append(&filter, 0, "(&");
 
-	if (table_config && table_config->additional_filter)
+	if (table_config && table_config->additional_filter) {
 		ast_str_append(&filter, 0, "%s", table_config->additional_filter);
+	}
 	if (table_config != base_table_config && base_table_config && 
 		base_table_config->additional_filter) {
 		ast_str_append(&filter, 0, "%s", base_table_config->additional_filter);
@@ -792,24 +805,23 @@
 				  LDAP_SCOPE_SUBTREE, ast_str_buffer(filter), NULL, 0, NULL, NULL, NULL, LDAP_NO_LIMIT,
 				  &ldap_result_msg);
 		if (result != LDAP_SUCCESS && is_ldap_connect_error(result)) {
-			ast_log(LOG_DEBUG, "Failed to query database. Try %d/10\n",
-				tries + 1);
+			ast_log(LOG_DEBUG, "Failed to query database. Try %d/10\n", tries + 1);
 			if (++tries < 10) {
 				usleep(1);
 				if (ldapConn) {
 					ldap_unbind_ext_s(ldapConn, NULL, NULL);
 					ldapConn = NULL;
 				}
-				if (!ldap_reconnect())
+				if (!ldap_reconnect()) {
 					break;
+				}
 			}
 		}
 	} while (result != LDAP_SUCCESS && tries < 10 && is_ldap_connect_error(result));
 
 	if (result != LDAP_SUCCESS) {
-		ast_log(LOG_WARNING, "Failed to query database. Check debug for more info.\n");
+		ast_log(LOG_WARNING, "Failed to query database. Error: %s.\n", ldap_err2string(result));
 		ast_log(LOG_WARNING, "Query: %s\n", ast_str_buffer(filter));
-		ast_log(LOG_WARNING, "Query Failed because: %s\n", ldap_err2string(result));
 	} else {
 		/* this is where we create the variables from the search result 
 		 * freeing this \a vars outside this function */
@@ -817,8 +829,7 @@
 			/* is this a static var or some other? they are handled different for delimited values */
 			vars = realtime_ldap_result_to_vars(table_config, ldap_result_msg, entries_count_ptr);
 		} else {
-			ast_debug(1, "Could not find any entry matching %s in base dn %s.\n",
-				ast_str_buffer(filter), clean_basedn);
+			ast_debug(1, "Could not find any entry matching %s in base dn %s.\n", ast_str_buffer(filter), clean_basedn);
 		}
 
 		ldap_msgfree(ldap_result_msg);
@@ -844,18 +855,20 @@
 								if (strcasecmp(test_var->name, base_var->name) == 0) {
 									base_var_found = 1;
 									break;
-								} else
+								} else {
 									test_var = test_var->next;
+								}
 							}
 							if (base_var_found) {
 								base_var->next = NULL;
 								ast_variables_destroy(base_var);
 								base_var = next;
 							} else {
-								if (append_var)
+								if (append_var) {
 									base_var->next = append_var;
-								else
+								} else {
 									base_var->next = NULL;
+								}
 								append_var = base_var;
 								base_var = next;
 							}
@@ -864,19 +877,22 @@
 					if (!tmp->next && append_var) {
 						tmp->next = append_var;
 						tmp = NULL;
-					} else
+					} else {
 						tmp = tmp->next;
+					}
 				}
 				p++;
 			}
 		}
 	}
 
-	if (filter)
+	if (filter) {
 		ast_free(filter);
-
-	if (clean_basedn)
+	}
+
+	if (clean_basedn) {
 		ast_free(clean_basedn);
+	}
 
 	ast_mutex_unlock(&ldap_lock);
 
@@ -912,8 +928,9 @@
 		struct ast_variable **p = vars;
 		while (*p) {
 			if (last_var) {
-				while (last_var->next)
+				while (last_var->next) {
 					last_var = last_var->next;
+				}
 				last_var->next = *p;
 			} else {
 				var = *p;
@@ -936,8 +953,7 @@
 static struct ast_config *realtime_multi_ldap(const char *basedn,
       const char *table_name, va_list ap)
 {
-	struct ast_variable **vars =
-		realtime_ldap_base_ap(NULL, basedn, table_name, ap);
+	struct ast_variable **vars = realtime_ldap_base_ap(NULL, basedn, table_name, ap);
 	struct ast_config *cfg = NULL;
 
 	if (vars) {
@@ -986,18 +1002,19 @@
 	const struct category_and_metric *as = a;
 	const struct category_and_metric *bs = b;
 
-	if (as->metric < bs->metric)
+	if (as->metric < bs->metric) {
 		return -1;
-	else if (as->metric > bs->metric)
+	} else if (as->metric > bs->metric) {
 		return 1;
-	else if (as->metric == bs->metric && strcmp(as->name, bs->name) != 0)
+	} else if (as->metric == bs->metric && strcmp(as->name, bs->name) != 0) {
 		return strcmp(as->name, bs->name);
-
+	} 
 	/* if the metric and the category name is the same, we check the variable metric */
-	if (as->var_metric < bs->var_metric)
+	if (as->var_metric < bs->var_metric) {
 		return -1;
-	else if (as->var_metric > bs->var_metric)
+	} else if (as->var_metric > bs->var_metric) {
 		return 1;
+	}
 
 	return 0;
 }
@@ -1023,12 +1040,11 @@
 	struct ast_variable **p;
 
 	if (ast_strlen_zero(file) || !strcasecmp(file, RES_CONFIG_LDAP_CONF)) {
-		ast_log(LOG_ERROR, "Cannot configure myself.\n");
+		ast_log(LOG_ERROR, "Missing configuration file: %s. Can't configure myself.\n", RES_CONFIG_LDAP_CONF);
 		return NULL;
 	}
 
-	vars = realtime_ldap_base(&vars_count, basedn, table_name, "filename",
-				file, "commented", "FALSE", NULL);
+	vars = realtime_ldap_base(&vars_count, basedn, table_name, "filename", file, "commented", "FALSE", NULL);
 
 	if (!vars) {
 		ast_log(LOG_WARNING, "Could not find config '%s' in database.\n", file);
@@ -1039,8 +1055,9 @@
 	 * first, and since the data could easily exceed stack size, this is
 	 * allocated from the heap.
 	 */
-	if (!(categories = ast_calloc(sizeof(*categories), vars_count)))
+	if (!(categories = ast_calloc(sizeof(*categories), vars_count))) {
 		return NULL;
+	}
 
 	for (vars_count = 0, p = vars; *p; p++) {
 		struct ast_variable *category = variable_named(*p, "category");
@@ -1050,31 +1067,26 @@
 		struct ast_variable *var_metric = variable_named(*p, "var_metric");
 		struct ast_variable *dn = variable_named(*p, "dn");
 			
-		ast_debug(1, "category: %s\n", category->value);
-		ast_debug(1, "var_name: %s\n", var_name->value);
-		ast_debug(1, "var_val: %s\n", var_val->value);
-		ast_debug(1, "cat_metric: %s\n", cat_metric->value);
+		ast_debug(3, "category: %s\n", category->value);
+		ast_debug(3, "var_name: %s\n", var_name->value);
+		ast_debug(3, "var_val: %s\n", var_val->value);
+		ast_debug(3, "cat_metric: %s\n", cat_metric->value);
 
 		if (!category) {
-			ast_log(LOG_ERROR,
-					"No category name in entry '%s'  for file '%s'.\n",
+			ast_log(LOG_ERROR, "No category name in entry '%s'  for file '%s'.\n",
 					(dn ? dn->value : "?"), file);
 		} else if (!cat_metric) {
-			ast_log(LOG_ERROR,
-					"No category metric in entry '%s'(category: %s) for file '%s'.\n",
+			ast_log(LOG_ERROR, "No category metric in entry '%s'(category: %s) for file '%s'.\n",
 					(dn ? dn->value : "?"), category->value, file);
 		} else if (!var_metric) {
-			ast_log(LOG_ERROR,
-					"No variable metric in entry '%s'(category: %s) for file '%s'.\n",
+			ast_log(LOG_ERROR, "No variable metric in entry '%s'(category: %s) for file '%s'.\n",
 					(dn ? dn->value : "?"), category->value, file);
 		} else if (!var_name) {
-			ast_log(LOG_ERROR,
-					"No variable name in entry '%s' (category: %s metric: %s) for file '%s'.\n",
+			ast_log(LOG_ERROR, "No variable name in entry '%s' (category: %s metric: %s) for file '%s'.\n",
 					(dn ? dn->value : "?"), category->value,
 					cat_metric->value, file);
 		} else if (!var_val) {
-			ast_log(LOG_ERROR,
-					"No variable value in entry '%s' (category: %s metric: %s variable: %s) for file '%s'.\n",
+			ast_log(LOG_ERROR, "No variable value in entry '%s' (category: %s metric: %s variable: %s) for file '%s'.\n",
 					(dn ? dn->value : "?"), category->value,
 					cat_metric->value, var_name->value, file);
 		} else {
@@ -1092,35 +1104,38 @@
 	for (i = 0; i < vars_count; i++) {
 		if (!strcmp(categories[i].variable_name, "#include")) {
 			struct ast_flags flags = { 0 };
-			if (!ast_config_internal_load(categories[i].variable_value, cfg, flags, "", who_asked))
+			if (!ast_config_internal_load(categories[i].variable_value, cfg, flags, "", who_asked)) {
 				break;
+			}
 			continue;
 		}
 
 		if (!last_category || strcmp(last_category, categories[i].name) ||
 			last_category_metric != categories[i].metric) {
+
 			cur_cat = ast_category_new(categories[i].name, table_name, -1);
-			if (!cur_cat)
+			if (!cur_cat) {
 				break;
+			}
 			last_category = categories[i].name;
 			last_category_metric = categories[i].metric;
 			ast_category_append(cfg, cur_cat);
 		}
 
-		if (!(new_v = ast_variable_new(categories[i].variable_name, categories[i].variable_value, table_name)))
+		if (!(new_v = ast_variable_new(categories[i].variable_name, categories[i].variable_value, table_name))) {
 			break;
+		}
 
 		ast_variable_append(cur_cat, new_v);
 	}
 
-	free(vars);
-	free(categories);
+	ast_free(vars);
+	ast_free(categories);
 
 	return cfg;
 }
 
-/* \brief Function to update a set of values in ldap
-static
+/* \brief Function to update a set of values in ldap static mode
 */
 static int update_ldap(const char *basedn, const char *table_name, const char *attribute,
 	const char *lookup, va_list ap)
@@ -1143,16 +1158,16 @@
 	LDAPMessage *ldap_result_msg = NULL;
 
 	if (!table_name) {
-		ast_log(LOG_WARNING, "No table_name specified.\n");
+		ast_log(LOG_ERROR, "No table_name specified.\n");
 		return -1;
 	} 
 
-	if (!(filter = ast_str_create(80)))
+	if (!(filter = ast_str_create(80))) {
 		return -1;
+	}
 
 	if (!attribute || !lookup) {
-		ast_log(LOG_WARNING,
-				"LINE(%d): search parameters are empty.\n", __LINE__);
+		ast_log(LOG_WARNING, "LINE(%d): search parameters are empty.\n", __LINE__);
 		return -1;
 	}
 	ast_mutex_lock(&ldap_lock);
@@ -1165,7 +1180,7 @@
 
 	table_config = table_config_for_table_name(table_name);
 	if (!table_config) {
-		ast_log(LOG_WARNING, "No table named '%s'.\n", table_name);
+		ast_log(LOG_ERROR, "No table named '%s'.\n", table_name);
 		ast_mutex_unlock(&ldap_lock);
 		return -1;
 	}
@@ -1177,8 +1192,7 @@
 	if (table_config && table_config->additional_filter) {
 		ast_str_append(&filter, 0, "%s", table_config->additional_filter);
 	}
-	if (table_config != base_table_config && base_table_config
-		&& base_table_config->additional_filter) {
+	if (table_config != base_table_config && base_table_config && base_table_config->additional_filter) {
 		ast_str_append(&filter, 0, "%s", base_table_config->additional_filter);
 	}
 	append_var_and_value_to_filter(&filter, table_config, attribute, lookup);
@@ -1191,8 +1205,7 @@
 	newparam = convert_attribute_name_to_ldap(table_config, newparam);
 	newval = va_arg(ap, const char *);
 	if (!newparam || !newval) {
-		ast_log(LOG_WARNING,
-				"LINE(%d): need at least one parameter to modify.\n", __LINE__);
+		ast_log(LOG_WARNING, "LINE(%d): need at least one parameter to modify.\n", __LINE__);
 		return -1;
 	}
 
@@ -1254,8 +1267,7 @@
 				  LDAP_SCOPE_SUBTREE, ast_str_buffer(filter), NULL, 0, NULL, NULL, NULL, LDAP_NO_LIMIT,
 				  &ldap_result_msg);
 		if (result != LDAP_SUCCESS && is_ldap_connect_error(result)) {
-			ast_log(LOG_WARNING, "Failed to query database. Try %d/3\n",
-				tries + 1);
+			ast_log(LOG_WARNING, "Failed to query database. Try %d/3\n", tries + 1);
 			tries++;
 			if (tries < 3) {
 				usleep(500000L * tries);
@@ -1270,10 +1282,8 @@
 	} while (result != LDAP_SUCCESS && tries < 3 && is_ldap_connect_error(result));
 
 	if (result != LDAP_SUCCESS) {
-		ast_log(LOG_WARNING, "Failed to query directory. Check debug for more info.\n");
+		ast_log(LOG_WARNING, "Failed to query directory. Error: %s.\n", ldap_err2string(result));
 		ast_log(LOG_WARNING, "Query: %s\n", ast_str_buffer(filter));
-		ast_log(LOG_WARNING, "Query Failed because: %s\n",
-			ldap_err2string(result));
 
 		ast_mutex_unlock(&ldap_lock);
 		free(filter);
@@ -1296,16 +1306,17 @@
 
 		for (i = 0; ldap_entry; i++) { 
 			dn = ldap_get_dn(ldapConn, ldap_entry);
-			if ((error = ldap_modify_ext_s(ldapConn, dn, ldap_mods, NULL, NULL)) != LDAP_SUCCESS) 
+			if ((error = ldap_modify_ext_s(ldapConn, dn, ldap_mods, NULL, NULL)) != LDAP_SUCCESS)  {
 				ast_log(LOG_ERROR, "Couldn't modify dn:%s because %s", dn, ldap_err2string(error));
+			}
 
 			ldap_entry = ldap_next_entry(ldapConn, ldap_entry);
 		}
 	}
 
 	ast_mutex_unlock(&ldap_lock);
-	free(filter);
-	free(clean_basedn);
+	ast_free(filter);
+	ast_free(clean_basedn);
 	ldap_msgfree(ldap_result_msg);
 	ldap_mods_free(ldap_mods, 0);
 	return num_entries;
@@ -1331,12 +1342,13 @@
 	LDAPMessage *ldap_result_msg = NULL;
 
 	if (!table_name) {
-		ast_log(LOG_WARNING, "No table_name specified.\n");
+		ast_log(LOG_ERROR, "No table_name specified.\n");
 		return -1;
 	} 
 
-	if (!(filter = ast_str_create(80)))
+	if (!(filter = ast_str_create(80))) {
 		return -1;
+	}
 
 	ast_mutex_lock(&ldap_lock);
 
@@ -1349,7 +1361,7 @@
 
 	table_config = table_config_for_table_name(table_name);
 	if (!table_config) {
-		ast_log(LOG_WARNING, "No table named '%s'.\n", table_name);
+		ast_log(LOG_ERROR, "No table named '%s'.\n", table_name);
 		ast_mutex_unlock(&ldap_lock);
 		ast_free(filter);
 		return -1;
@@ -1381,8 +1393,7 @@
 	newparam = convert_attribute_name_to_ldap(table_config, newparam);
 	newval = va_arg(ap, const char *);
 	if (!newparam || !newval) {
-		ast_log(LOG_WARNING,
-				"LINE(%d): need at least one parameter to modify.\n", __LINE__);
+		ast_log(LOG_WARNING, "LINE(%d): need at least one parameter to modify.\n", __LINE__);
 		ast_free(filter);
 		ast_free(clean_basedn);
 		return -1;
@@ -1441,8 +1452,7 @@
 				  LDAP_SCOPE_SUBTREE, ast_str_buffer(filter), NULL, 0, NULL, NULL, NULL, LDAP_NO_LIMIT,
 				  &ldap_result_msg);
 		if (result != LDAP_SUCCESS && is_ldap_connect_error(result)) {
-			ast_log(LOG_WARNING, "Failed to query database. Try %d/3\n",
-				tries + 1);
+			ast_log(LOG_WARNING, "Failed to query database. Try %d/3\n", tries + 1);
 			tries++;
 			if (tries < 3) {
 				usleep(500000L * tries);
@@ -1450,46 +1460,49 @@
 					ldap_unbind_ext_s(ldapConn, NULL, NULL);
 					ldapConn = NULL;
 				}
-				if (!ldap_reconnect())
+				if (!ldap_reconnect()) {
 					break;
+				}
 			}
 		}
 	} while (result != LDAP_SUCCESS && tries < 3 && is_ldap_connect_error(result));
 
 	if (result != LDAP_SUCCESS) {
-		ast_log(LOG_WARNING, "Failed to query directory. Check debug for more info.\n");
+		ast_log(LOG_WARNING, "Failed to query directory. Error: %s.\n", ldap_err2string(result));
 		ast_log(LOG_WARNING, "Query: %s\n", ast_str_buffer(filter));
-		ast_log(LOG_WARNING, "Query Failed because: %s\n",
-			ldap_err2string(result));
 
 		ast_mutex_unlock(&ldap_lock);
-		free(filter);
-		free(clean_basedn);
+		ast_free(filter);
+		ast_free(clean_basedn);
 		ldap_msgfree(ldap_result_msg);
 		ldap_mods_free(ldap_mods, 0);
 		return -1;
 	}
 	/* Ready to update */
 	if ((num_entries = ldap_count_entries(ldapConn, ldap_result_msg)) > 0) {
-		for (i = 0; option_debug > 2 && i < mods_size - 1; i++)
+		for (i = 0; option_debug > 2 && i < mods_size - 1; i++) {
 			ast_debug(3, "LINE(%d) %s=%s \n", __LINE__, ldap_mods[i]->mod_type, ldap_mods[i]->mod_values[0]);
+		}
 
 		ldap_entry = ldap_first_entry(ldapConn, ldap_result_msg);
 
 		for (i = 0; ldap_entry; i++) { 
 			dn = ldap_get_dn(ldapConn, ldap_entry);
-			if ((error = ldap_modify_ext_s(ldapConn, dn, ldap_mods, NULL, NULL)) != LDAP_SUCCESS) 
+			if ((error = ldap_modify_ext_s(ldapConn, dn, ldap_mods, NULL, NULL)) != LDAP_SUCCESS)  {
 				ast_log(LOG_ERROR, "Couldn't modify dn:%s because %s", dn, ldap_err2string(error));
+			}
 
 			ldap_entry = ldap_next_entry(ldapConn, ldap_entry);
 		}
 	}
 
 	ast_mutex_unlock(&ldap_lock);
-	if (filter)
-		free(filter);
-	if (clean_basedn)
-		free(clean_basedn);
+	if (filter) {
+		ast_free(filter);
+	}
+	if (clean_basedn) {
+		ast_free(clean_basedn);
+	}
 	ldap_msgfree(ldap_result_msg);
 	ldap_mods_free(ldap_mods, 0);
 	return num_entries;
@@ -1507,14 +1520,15 @@
 static int load_module(void)
 {
 	if (parse_config() < 0) {
-		ast_log(LOG_NOTICE, "Cannot load LDAP RealTime driver.\n");
+		ast_log(LOG_ERROR, "Cannot load LDAP RealTime driver.\n");
 		return 0;
 	}
 
 	ast_mutex_lock(&ldap_lock);
 
-	if (!ldap_reconnect()) 
-		ast_log(LOG_WARNING, "Couldn't establish connection. Check debug.\n");
+	if (!ldap_reconnect())  {
+		ast_log(LOG_WARNING, "Couldn't establish connection to LDAP directory. Check debug.\n");
+	}
 
 	ast_config_engine_register(&ldap_engine);
 	ast_verb(1, "LDAP RealTime driver loaded.\n");
@@ -1538,7 +1552,7 @@
 	}
 	ast_cli_unregister_multiple(ldap_cli, ARRAY_LEN(ldap_cli));
 	ast_config_engine_deregister(&ldap_engine);
-	ast_verb(1, "LDAP RealTime unloaded.\n");
+	ast_verb(1, "LDAP RealTime driver unloaded.\n");
 
 	/* Unlock so something else can destroy the lock. */
 	ast_mutex_unlock(&ldap_lock);
@@ -1562,10 +1576,11 @@
 		return 0;
 	}		
 
-	if (!ldap_reconnect()) 
-		ast_log(LOG_WARNING, "Couldn't establish connection. Check debug.\n");
-
-	ast_verb(2, "LDAP RealTime reloaded.\n");
+	if (!ldap_reconnect())  {
+		ast_log(LOG_WARNING, "Couldn't establish connection to your directory server. Check debug.\n");
+	}
+
+	ast_verb(2, "LDAP RealTime driver reloaded.\n");
 
 	/* Done reloading. Release lock so others can now use driver. */
 	ast_mutex_unlock(&ldap_lock);
@@ -1573,7 +1588,8 @@
 	return 0;
 }
 
-int parse_config(void)
+/*! \brief parse the configuration file */
+static int parse_config(void)
 {
 	struct ast_config *config;
 	struct ast_flags config_flags = {0};
@@ -1583,15 +1599,16 @@
 
 	config = ast_config_load(RES_CONFIG_LDAP_CONF, config_flags);
 	if (config == CONFIG_STATUS_FILEMISSING || config == CONFIG_STATUS_FILEINVALID) {
-		ast_log(LOG_WARNING, "Cannot load configuration %s\n", RES_CONFIG_LDAP_CONF);
+		ast_log(LOG_ERROR, "Cannot load configuration file: %s\n", RES_CONFIG_LDAP_CONF);
 		return -1;
 	}
 
 	if (!(s = ast_variable_retrieve(config, "_general", "user"))) {
-		ast_log(LOG_WARNING, "No directory user found, anonymous binding as default.\n");
+		ast_log(LOG_NOTICE, "No directory user found, anonymous binding as default.\n");
 		user[0] = '\0';
-	} else 
+	} else {
 		ast_copy_string(user, s, sizeof(user));
+	}
 
 	if (!ast_strlen_zero(user)) {
 		if (!(s = ast_variable_retrieve(config, "_general", "pass"))) {




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