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/* --- BEGIN COPYRIGHT BLOCK ---
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* --- END COPYRIGHT BLOCK --- */
/**
* Simple Http Client API broker plugin
*/
#include <stdio.h>
#include <string.h>
#include "portable.h"
#include "nspr.h"
#include "slapi-plugin.h"
#include "slapi-private.h"
#include "dirlite_strings.h"
#include "dirver.h"
#include "http_client.h"
#include "http_impl.h"
/* get file mode flags for unix */
#ifndef _WIN32
#include <sys/stat.h>
#endif
/*** from proto-slap.h ***/
int slapd_log_error_proc( char *subsystem, char *fmt, ... );
/*** from ldaplog.h ***/
/* edited ldaplog.h for LDAPDebug()*/
#ifndef _LDAPLOG_H
#define _LDAPLOG_H
#ifdef __cplusplus
extern "C" {
#endif
#define LDAP_DEBUG_TRACE 0x00001 /* 1 */
#define LDAP_DEBUG_ANY 0x04000 /* 16384 */
#define LDAP_DEBUG_PLUGIN 0x10000 /* 65536 */
/* debugging stuff */
# ifdef _WIN32
extern int *module_ldap_debug;
# define LDAPDebug( level, fmt, arg1, arg2, arg3 ) \
{ \
if ( *module_ldap_debug & level ) { \
slapd_log_error_proc( NULL, fmt, arg1, arg2, arg3 ); \
} \
}
# else /* _WIN32 */
extern int slapd_ldap_debug;
# define LDAPDebug( level, fmt, arg1, arg2, arg3 ) \
{ \
if ( slapd_ldap_debug & level ) { \
slapd_log_error_proc( NULL, fmt, arg1, arg2, arg3 ); \
} \
}
# endif /* Win32 */
#ifdef __cplusplus
}
#endif
#endif /* _LDAP_H */
#define HTTP_PLUGIN_SUBSYSTEM "http-client-plugin" /* used for logging */
#define HTTP_PLUGIN_VERSION 0x00050050
#define HTTP_SUCCESS 0
#define HTTP_FAILURE -1
/**
* Implementation functions
*/
static void *api[7];
/**
* Plugin identifiers
*/
static Slapi_PluginDesc pdesc = { "http-client",
PLUGIN_MAGIC_VENDOR_STR,
PRODUCTTEXT,
"HTTP Client plugin" };
static Slapi_ComponentId *plugin_id = NULL;
/**
**
** Http plug-in management functions
**
**/
int http_client_init(Slapi_PBlock *pb);
static int http_client_start(Slapi_PBlock *pb);
static int http_client_close(Slapi_PBlock *pb);
/**
* our functions
*/
static void _http_init(Slapi_ComponentId *plugin_id);
static int _http_get_text(char *url, char **data, int *bytesRead);
static int _http_get_binary(char *url, char **data, int *bytesRead);
static int _http_get_redirected_uri(char *url, char **data, int *bytesRead);
static int _http_post(char *url, httpheader **httpheaderArray, char *body, char **data, int *bytesRead);
static void _http_shutdown( void );
#ifdef _WIN32
int *module_ldap_debug = 0;
void plugin_init_debug_level(int *level_ptr)
{
module_ldap_debug = level_ptr;
}
#endif
/**
*
* Get the presence plug-in version
*
*/
int http_client_version()
{
return HTTP_PLUGIN_VERSION;
}
int http_client_init(Slapi_PBlock *pb)
{
int status = HTTP_SUCCESS;
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> http_client_init -- BEGIN\n",0,0,0);
if ( slapi_pblock_set( pb, SLAPI_PLUGIN_VERSION,
SLAPI_PLUGIN_VERSION_01 ) != 0 ||
slapi_pblock_set(pb, SLAPI_PLUGIN_START_FN,
(void *) http_client_start ) != 0 ||
slapi_pblock_set(pb, SLAPI_PLUGIN_CLOSE_FN,
(void *) http_client_close ) != 0 ||
slapi_pblock_set( pb, SLAPI_PLUGIN_DESCRIPTION,
(void *)&pdesc ) != 0 )
{
slapi_log_error( SLAPI_LOG_FATAL, HTTP_PLUGIN_SUBSYSTEM,
"http_client_init: failed to register plugin\n" );
status = HTTP_FAILURE;
}
/* Retrieve and save the plugin identity to later pass to
internal operations */
if (slapi_pblock_get(pb, SLAPI_PLUGIN_IDENTITY, &plugin_id) != 0) {
slapi_log_error(SLAPI_LOG_FATAL, HTTP_PLUGIN_SUBSYSTEM,
"http_client_init: Failed to retrieve SLAPI_PLUGIN_IDENTITY\n");
return HTTP_FAILURE;
}
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- http_client_init -- END\n",0,0,0);
return status;
}
static int http_client_start(Slapi_PBlock *pb)
{
int status = HTTP_SUCCESS;
/**
* do some init work here
*/
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> http_client_start -- BEGIN\n",0,0,0);
api[0] = 0; /* reserved for api broker use, must be zero */
api[1] = (void *)_http_init;
api[2] = (void *)_http_get_text;
api[3] = (void *)_http_get_binary;
api[4] = (void *)_http_get_redirected_uri;
api[5] = (void *)_http_shutdown;
api[6] = (void *)_http_post;
if( slapi_apib_register(HTTP_v1_0_GUID, api) ) {
slapi_log_error( SLAPI_LOG_FATAL, HTTP_PLUGIN_SUBSYSTEM,
"http_client_start: failed to register functions\n" );
status = HTTP_FAILURE;
}
_http_init(plugin_id);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- http_client_start -- END\n",0,0,0);
return status;
}
static int http_client_close(Slapi_PBlock *pb)
{
int status = HTTP_SUCCESS;
/**
* do cleanup
*/
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> http_client_close -- BEGIN\n",0,0,0);
slapi_apib_unregister(HTTP_v1_0_GUID);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- http_client_close -- END\n",0,0,0);
return status;
}
/**
* perform http initialization here
*/
static void _http_init(Slapi_ComponentId *plugin_id)
{
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> _http_init -- BEGIN\n",0,0,0);
http_impl_init(plugin_id);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- _http_init -- END\n",0,0,0);
}
/**
* This method gets the data in a text format based on the
* URL send.
*/
static int _http_get_text(char *url, char **data, int *bytesRead)
{
int status = HTTP_SUCCESS;
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> _http_get_text -- BEGIN\n",0,0,0);
status = http_impl_get_text(url, data, bytesRead);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- _http_get_text -- END\n",0,0,0);
return status;
}
/**
* This method gets the data in a binary format based on the
* URL send.
*/
static int _http_get_binary(char *url, char **data, int *bytesRead)
{
int status = HTTP_SUCCESS;
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> _http_get_binary -- BEGIN\n",0,0,0);
status = http_impl_get_binary(url, data, bytesRead);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- _http_get_binary -- END\n",0,0,0);
return status;
}
/**
* This method intercepts the redirected URI and returns the location
* information.
*/
static int _http_get_redirected_uri(char *url, char **data, int *bytesRead)
{
int status = HTTP_SUCCESS;
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> _http_get_redirected_uri -- BEGIN\n",0,0,0);
status = http_impl_get_redirected_uri(url, data, bytesRead);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- _http_get_redirected_uri -- END\n",0,0,0);
return status;
}
/**
* This method posts the data based on the URL send.
*/
static int _http_post(char *url, httpheader ** httpheaderArray, char *body, char **data, int *bytesRead)
{
int status = HTTP_SUCCESS;
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> _http_post -- BEGIN\n",0,0,0);
status = http_impl_post(url, httpheaderArray, body, data, bytesRead);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- _http_post -- END\n",0,0,0);
return status;
}
/**
* perform http shutdown here
*/
static void _http_shutdown( void )
{
LDAPDebug( LDAP_DEBUG_PLUGIN, "--> _http_shutdown -- BEGIN\n",0,0,0);
http_impl_shutdown();
LDAPDebug( LDAP_DEBUG_PLUGIN, "<-- _http_shutdown -- END\n",0,0,0);
}
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