389-ds-base/lib/ldaputil/init.c

/** BEGIN COPYRIGHT BLOCK
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
 *
 * License: GPL (version 3 or any later version).
 * See LICENSE for details. 
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif


#include <string.h>
#include <prlink.h>
#include <prio.h>
#include <prprf.h>

/*#include "base/file.h"*/
#include "ldaputil/certmap.h"
/*#include "ldaputil/ldapdb.h"*/
#include "ldaputil/ldaputil.h"
#include "ldaputil/cert.h"
#include "ldaputil/errors.h"
#include "ldaputil/init.h"

#include "slapi-plugin.h"

#ifndef FILE_PATHSEP
#define FILE_PATHSEP '/'
#endif
#ifdef HPUX
#ifdef __ia64
#define DLL_SUFFIX ".so"
#else
#define DLL_SUFFIX ".sl"
#endif
#else
#define DLL_SUFFIX ".so"
#endif

static int load_server_libs (const char *dir)
{
    int rv = LDAPU_SUCCESS;
    PRDir* ds;
    int suffix_len = strlen(DLL_SUFFIX);

    if ((ds = PR_OpenDir(dir)) != NULL) {
	PRDirEntry *d;

	/* Dir exists */
        while( (d = PR_ReadDir(ds, PR_SKIP_BOTH)) )  {
	    PRLibrary *lib = 0;
		const char *libname = d->name;
	    int len = strlen(libname);
	    int is_lib;

	    is_lib = (len > suffix_len && !strcmp(libname+len-suffix_len,
						  DLL_SUFFIX));

            if(is_lib) {
		char path[1024];

		PR_snprintf(path, sizeof(path), "%s%c%s", dir, FILE_PATHSEP, libname);
		lib = PR_LoadLibrary(path);
		if (!lib) rv = LDAPU_ERR_UNABLE_TO_LOAD_PLUGIN;
	    }
	}
    }
    else {
	/* It's ok if dir doesn't exists */
    }
    
    return rv;
}

NSAPI_PUBLIC int ldaputil_init (const char *config_file,
				const char *dllname,
				const char *serv_root,
				const char *serv_type,
				const char *serv_id)
{
    int rv = LDAPU_SUCCESS;
    static int initialized = 0;

    /* If already initialized, cleanup the old structures */
    if (initialized) ldaputil_exit();

    if (config_file && *config_file) {
	char dir[1024];

	LDAPUCertMapListInfo_t *certmap_list;
	LDAPUCertMapInfo_t *certmap_default;

	if (serv_root && *serv_root) {
	    /* Load common libraries */
	    PR_snprintf(dir, sizeof(dir), "%s%clib%c%s", serv_root, FILE_PATHSEP,
		    FILE_PATHSEP, "common");
	    rv = load_server_libs(dir);

	    if (rv != LDAPU_SUCCESS) return rv;

	    if (serv_type && *serv_type) {
		/* Load server type specific libraries */
		sprintf(dir, "%s%clib%c%s", serv_root, FILE_PATHSEP,
			FILE_PATHSEP, serv_type);
		rv = load_server_libs(dir);

		if (rv != LDAPU_SUCCESS) return rv;

		if (serv_id && *serv_id) {
		    /* Load server instance specific libraries */
		    sprintf(dir, "%s%clib%c%s", serv_root, FILE_PATHSEP,
			    FILE_PATHSEP, serv_id);
		    rv = load_server_libs(dir);

		    if (rv != LDAPU_SUCCESS) return rv;
		}
	    }
	}

	rv = ldapu_certmap_init (config_file, dllname, &certmap_list,
				 &certmap_default);
    }

    initialized = 1;

    if (rv != LDAPU_SUCCESS) return rv;

    return rv;
}