Author: jskopis
Date: Sat Oct 11 17:51:14 2008
New Revision: 9970
Added:
freeswitch/trunk/src/mod/xml_int/mod_xml_ldap/mod_xml_ldapv2.c
Log:
(almost) complete rewrite of mod_xml_ldap
Added: freeswitch/trunk/src/mod/xml_int/mod_xml_ldap/mod_xml_ldapv2.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/src/mod/xml_int/mod_xml_ldap/mod_xml_ldapv2.c Sat Oct 11 17:51:14 2008
@@ -0,0 +1,357 @@
+#include <switch.h>
+#include <stdlib.h>
+#include <string.h>
+#include <lber.h>
+#include <ldap.h>
+
+#define PCACHE_TTL 300
+#define NCACHE_TTL 900
+
+typedef enum {
+ XML_LDAP_CONFIG = 0,
+ XML_LDAP_DIRECTORY,
+ XML_LDAP_DIALPLAN,
+ XML_LDAP_PHRASE
+} xml_ldap_query_type_t;
+
+
+typedef struct xml_binding {
+ char *bindings;
+ xml_ldap_query_type_t bt;
+ char *url;
+ char *basedn;
+ char *binddn;
+ char *bindpass;
+ char *filter;
+} xml_binding_t;
+
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_xml_ldap_load);
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_xml_ldap_shutdown);
+SWITCH_MODULE_DEFINITION(mod_xml_ldap, mod_xml_ldap_load, mod_xml_ldap_shutdown, NULL);
+
+
+static switch_xml_t xml_ldap_search(const char *section, const char *tag_name, const char *key_name, const char *key_value, switch_event_t *params,
+ void *user_data);
+
+static switch_status_t do_config(void);
+static switch_status_t trysearch( switch_xml_t *pxml, int *xoff, LDAP *ld, char *basedn, char *filter);
+void rec( switch_xml_t *, int*, LDAP *ld, char *);
+
+#define XML_LDAP_SYNTAX ""
+
+SWITCH_STANDARD_API(xml_ldap_function)
+{
+ return SWITCH_STATUS_FALSE;
+}
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_xml_ldap_load)
+{
+ switch_api_interface_t *xml_ldap_api_interface;
+
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+
+ SWITCH_ADD_API(xml_ldap_api_interface, "xml_ldap", "XML LDAP", xml_ldap_function, XML_LDAP_SYNTAX);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "XML LDAP module loading...\n");
+
+ if (do_config() != SWITCH_STATUS_SUCCESS) {
+ return SWITCH_STATUS_FALSE;
+ }
+
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_xml_ldap_shutdown)
+{
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t do_config(void) {
+ char *cf = "xml_ldap.conf";
+ switch_xml_t cfg, xml, bindings_tag, binding_tag, param;
+ xml_binding_t *binding = NULL;
+ int x = 0;
+
+ if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
+ return SWITCH_STATUS_TERM;
+ }
+
+ if (!(bindings_tag = switch_xml_child(cfg, "bindings"))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing <bindings> tag!\n");
+ goto done;
+ }
+
+ for (binding_tag = switch_xml_child(bindings_tag, "binding"); binding_tag; binding_tag = binding_tag->next) {
+ char *bname = (char *) switch_xml_attr_soft(binding_tag, "name");
+
+ if (!(binding = malloc(sizeof(*binding)))) {
+ goto done;
+ }
+ memset(binding, 0, sizeof(*binding));
+
+ for (param = switch_xml_child(binding_tag, "param"); param; param = param->next) {
+
+ char *var = (char *) switch_xml_attr_soft(param, "name");
+ char *val = (char *) switch_xml_attr_soft(param, "value");
+
+ if (!strcasecmp(var, "filter")) {
+ binding->bindings = (char *) switch_xml_attr_soft(param, "bindings");
+
+ if (!strncmp(binding->bindings, "configuration",strlen(binding->bindings))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "setting type XML_LDAP_CONFIG\n");
+ binding->bt = XML_LDAP_CONFIG;
+ } else if (!strncmp(binding->bindings, "directory",strlen(binding->bindings))) {
+ binding->bt = XML_LDAP_DIRECTORY;
+ } else if (!strncmp(binding->bindings, "dialplain",strlen(binding->bindings))) {
+ binding->bt = XML_LDAP_DIALPLAN;
+ } else if (!strncmp(binding->bindings, "phrases",strlen(binding->bindings))) {
+ binding->bt = XML_LDAP_PHRASE;
+ }
+
+ if (val) {
+ binding->filter = strdup(val);
+ printf("binding filter %s to %s\n", binding->filter, binding->bindings);
+ }
+ } else if (!strncasecmp(var, "basedn", strlen(val))) {
+ binding->basedn = strdup(val);
+ } else if (!strncasecmp(var, "binddn", strlen(val))) {
+ binding->binddn = strdup(val);
+ } else if (!strncasecmp(var, "bindpass", strlen(val))) {
+ binding->bindpass = strdup(val);
+ } else if (!strncasecmp(var, "url", strlen(val))) {
+ binding->url = strdup(val);
+ }
+
+ }
+
+ if (!binding->basedn || !binding->filter || !binding->url) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
+ "You must define \"basedn\", and \"filter\" in mod_xml_ldap.conf.xml\n");
+ continue;
+ }
+
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Binding [%s] XML Fetch Function [%s] (%s) [%s]\n",
+ switch_strlen_zero(bname) ? "N/A" : bname, binding->basedn, binding->filter, binding->bindings ? binding->bindings : "all");
+
+ switch_xml_bind_search_function(xml_ldap_search, switch_xml_parse_section_string(bname), binding);
+
+ x++;
+ binding = NULL;
+ }
+
+ done:
+ switch_xml_free(xml);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t trysearch ( switch_xml_t *pxml, int *xoff, LDAP *ld, char *basedn, char *filter) {
+ switch_status_t ret;
+ int off = *xoff;
+ char *key = NULL;
+ char *dn = NULL;
+ char **val = NULL;
+ BerElement *ber = NULL;
+ switch_xml_t xml = *pxml;
+ LDAPMessage *msg, *entry;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "trying search in base %s with filter %s\n", basedn, filter);
+
+ ldap_search_s(ld, basedn, LDAP_SCOPE_ONE, filter, NULL, 0, &msg);
+
+ if ( ldap_count_entries(ld, msg) > 0 ) {
+ ret = SWITCH_STATUS_SUCCESS;
+ for (
+ entry = ldap_first_entry(ld, msg);
+ entry != NULL;
+ entry = ldap_next_entry(ld, entry) ) {
+
+ val = ldap_get_values(ld,entry,"fstag" );
+ xml = switch_xml_add_child_d(xml, val[0], off);
+ ldap_value_free(val);
+
+ for (
+ key = ldap_first_attribute(ld, entry, &ber);
+ key != NULL;
+ key = ldap_next_attribute(ld, entry, ber) ) {
+
+ if ( !strncasecmp(key,"fstag",strlen(key)) || !strncasecmp(key,"objectclass",strlen(key)) ) {
+ ldap_memfree(key);
+ continue;
+ }
+
+ val = ldap_get_values(ld,entry,key);
+ switch_xml_set_attr_d(xml, key, val[0]);
+
+ ldap_memfree(key);
+ ldap_value_free(val);
+
+ }
+ ber_free(ber,0);
+
+ dn = ldap_get_dn(ld,entry);
+ rec(&xml,&off,ld,dn);
+
+ *xoff=1;
+ }
+
+ ldap_msgfree(entry);
+ ldap_msgfree(msg);
+ } else {
+ ret = SWITCH_STATUS_FALSE;
+ }
+
+ switch_safe_free(filter);
+ switch_safe_free(key);
+
+ return ret;
+
+}
+
+
+
+
+void rec( switch_xml_t *pxml, int *xoff, LDAP *ld, char *dn) {
+ int off = *xoff;
+ char *key;
+ char **val;
+
+ switch_xml_t xml = *pxml, new;
+
+ LDAPMessage *msg, *entry;
+ BerElement *ber;
+
+ ldap_search_s(ld, dn, LDAP_SCOPE_ONE, NULL, NULL, 0, &msg);
+ switch_safe_free(dn);
+
+ if ( ldap_count_entries(ld, msg) > 0 ) {
+
+ for (
+ entry = ldap_first_entry(ld, msg);
+ entry != NULL;
+ entry = ldap_next_entry(ld, entry) ) {
+
+ val = ldap_get_values(ld,entry,"fstag" );
+ new = switch_xml_add_child_d(xml, val[0], off);
+ ldap_value_free(val);
+
+ for (
+ key = ldap_first_attribute(ld, entry,&ber);
+ key != NULL;
+ key = ldap_next_attribute(ld,entry,ber) ) {
+
+ if ( !strncasecmp("fstag",key,5) || !strncasecmp("objectclass",key,10) ) {
+ ldap_memfree(key);
+ continue;
+ }
+
+ val = ldap_get_values(ld,entry,key);
+ switch_xml_set_attr_d(new, key, val[0]);
+ ldap_memfree(key);
+ ldap_value_free(val);
+ }
+ ber_free(ber,0);
+ rec( &new, xoff , ld, ldap_get_dn(ld,entry) );
+ }
+
+ ldap_msgfree(entry);
+
+ }
+ ldap_msgfree(msg);
+}
+
+
+static switch_xml_t xml_ldap_search(const char *section, const char *tag_name, const char *key_name, const char *key_value, switch_event_t *params,
+ void *user_data) {
+
+ xml_binding_t *binding = (xml_binding_t *) user_data;
+ switch_event_header_t *hi;
+
+ int desired_version = LDAP_VERSION3;
+ int auth_method = LDAP_AUTH_SIMPLE;
+
+ char *basedn = NULL, *filter = NULL;
+ char *dir_domain = NULL, *dir_exten = NULL;
+
+ char *buf;
+ buf = malloc(4096);
+
+ LDAP *ld;
+ switch_xml_t xml = NULL;
+
+ int xoff = 0;
+
+ if (params) {
+ if ((hi = params->headers)) {
+ for (; hi; hi = hi->next) {
+ switch (binding->bt) {
+ case XML_LDAP_CONFIG:
+ break;
+
+ case XML_LDAP_DIRECTORY:
+ if (!strncmp(hi->name, "user", strlen(hi->name))) {
+ dir_exten = strdup(hi->value);
+ } else if (!strncmp(hi->name, "domain", strlen(hi->name))) {
+ dir_domain = strdup(hi->value);
+ }
+ break;
+
+ case XML_LDAP_DIALPLAN:
+ case XML_LDAP_PHRASE:
+ break;
+ }
+ }
+ }
+ }
+ switch (binding->bt) {
+ case XML_LDAP_CONFIG:
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "humm %s", binding->filter);
+ filter = switch_mprintf(binding->filter,key_name,key_value);
+ basedn = switch_mprintf(binding->basedn,tag_name);
+ break;
+
+ case XML_LDAP_DIRECTORY:
+ if(!dir_exten) {
+ filter = switch_mprintf(binding->filter,"objectclass","*","(!(objectclass=fsuser))");
+ basedn = switch_mprintf(binding->basedn,dir_domain);
+ } else {
+ filter = switch_mprintf(binding->filter,key_name,key_value,"object_class=*");
+ basedn = switch_mprintf(binding->basedn,dir_domain);
+ }
+ break;
+
+ case XML_LDAP_DIALPLAN:
+ break;
+
+ case XML_LDAP_PHRASE:
+ break;
+ }
+
+
+ ldap_initialize(&ld,binding->url);
+ ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &desired_version);
+ ldap_bind_s(ld, binding->binddn, binding->bindpass, auth_method);
+
+ xml = switch_xml_new("document");
+ switch_xml_set_attr_d(xml, "type", "freeswitch/xml");
+
+
+
+ trysearch(&xml,&xoff,ld, basedn, filter);
+
+ ldap_unbind_s(ld);
+
+
+
+ switch_xml_toxml_buf(xml,buf,0,0,1);
+ printf("providing:\n%s\n", buf);
+ switch_safe_free(buf);
+
+ return xml;
+}
+