/***************************************************************************/
/* */
/* Project: OpenSLP - OpenSource implementation of Service Location */
/* Protocol Version 2 */
/* */
/* File: slplib_reg.c */
/* */
/* Abstract: Implementation for functions register and deregister */
/* services -- SLPReg() call. */
/* */
/*-------------------------------------------------------------------------*/
/* */
/* Please submit patches to http://www.openslp.org */
/* */
/*-------------------------------------------------------------------------*/
/* */
/* Copyright (C) 2000 Caldera Systems, Inc */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions are */
/* met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the */
/* distribution. */
/* */
/* Neither the name of Caldera Systems nor the names of its */
/* contributors may be used to endorse or promote products derived */
/* from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* `AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CALDERA */
/* SYSTEMS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/***************************************************************************/
#include "slp.h"
#include "libslp.h"
/*-------------------------------------------------------------------------*/
SLPBoolean CallbackSrvReg(SLPError errorcode,
struct sockaddr_in* peerinfo,
SLPBuffer replybuf,
void* cookie)
/*-------------------------------------------------------------------------*/
{
SLPMessage replymsg;
PSLPHandleInfo handle = (PSLPHandleInfo) cookie;
/*-------------------------------------------*/
/* Check the errorcode and bail if it is set */
/*-------------------------------------------*/
if(errorcode == 0)
{
/*--------------------*/
/* Parse the replybuf */
/*--------------------*/
replymsg = SLPMessageAlloc();
if(replymsg)
{
errorcode = SLPMessageParseBuffer(peerinfo,replybuf,replymsg);
if(errorcode == 0)
{
if(replymsg->header.functionid == SLP_FUNCT_SRVACK)
{
errorcode = replymsg->body.srvack.errorcode * - 1;
}
}
SLPMessageFree(replymsg);
}
else
{
errorcode = SLP_MEMORY_ALLOC_FAILED;
}
}
/*----------------------------*/
/* Call the callback function */
/*----------------------------*/
handle->params.reg.callback((SLPHandle)handle,
errorcode,
handle->params.reg.cookie);
return SLP_FALSE;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvReg(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
int sock;
struct sockaddr_in peeraddr;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
int extoffset = 0;
#ifdef ENABLE_SLPv2_SECURITY
int urlauthlen = 0;
unsigned char* urlauth = 0;
int attrauthlen = 0;
unsigned char* attrauth = 0;
if(SLPPropertyAsBoolean(SLPGetProperty("net.slp.securityEnabled")))
{
result = SLPAuthSignUrl(handle->hspi,
0,
0,
handle->params.reg.urllen,
handle->params.reg.url,
&urlauthlen,
&urlauth);
if(result == 0)
{
result = SLPAuthSignString(handle->hspi,
0,
0,
handle->params.reg.attrlistlen,
handle->params.reg.attrlist,
&attrauthlen,
&attrauth);
}
bufsize += urlauthlen;
bufsize += attrauthlen;
}
#endif
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVREG */
/*-------------------------------------------------------------------*/
bufsize += handle->params.reg.urllen + 6; /* 1 byte for reserved */
/* 2 bytes for lifetime */
/* 2 bytes for urllen */
/* 1 byte for authcount */
bufsize += handle->params.reg.srvtypelen + 2; /* 2 bytes for len field */
bufsize += handle->params.reg.scopelistlen + 2; /* 2 bytes for len field */
bufsize += handle->params.reg.attrlistlen + 2; /* 2 bytes for len field */
bufsize += 1; /* 1 byte for authcount */
if(SLPPropertyAsBoolean(SLPGetProperty("net.slp.watchRegistrationPID")))
{
bufsize += 9; /* 2 bytes for extid */
/* 3 bytes for nextoffset */
/* 4 bytes for pid */
}
buf = curpos = (char*)xmalloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVREG */
/*------------------------------------------------------------*/
/* url-entry reserved */
*curpos= 0;
curpos = curpos + 1;
/* url-entry lifetime */
ToUINT16(curpos,handle->params.reg.lifetime);
curpos = curpos + 2;
/* url-entry urllen */
ToUINT16(curpos,handle->params.reg.urllen);
curpos = curpos + 2;
/* url-entry url */
memcpy(curpos,
handle->params.reg.url,
handle->params.reg.urllen);
curpos = curpos + handle->params.reg.urllen;
/* url-entry authblock */
#ifdef ENABLE_SLPv2_SECURITY
if(urlauth)
{
/* authcount */
*curpos = 1;
curpos = curpos + 1;
/* authblock */
memcpy(curpos,urlauth,urlauthlen);
curpos = curpos + urlauthlen;
}
else
#endif
{
/* authcount */
*curpos = 0;
curpos = curpos + 1;
}
/* service type */
ToUINT16(curpos,handle->params.reg.srvtypelen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.reg.srvtype,
handle->params.reg.srvtypelen);
curpos = curpos + handle->params.reg.srvtypelen;
/* scope list */
ToUINT16(curpos,handle->params.reg.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.reg.scopelist,
handle->params.reg.scopelistlen);
curpos = curpos + handle->params.reg.scopelistlen;
/* attr list */
ToUINT16(curpos,handle->params.reg.attrlistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.reg.attrlist,
handle->params.reg.attrlistlen);
curpos = curpos + handle->params.reg.attrlistlen;
/* attribute auth block */
#ifdef ENABLE_SLPv2_SECURITY
if(attrauth)
{
/* authcount */
*curpos = 1;
curpos = curpos + 1;
/* authblock */
memcpy(curpos,attrauth,attrauthlen);
curpos = curpos + attrauthlen;
}
else
#endif
{
/* authcount */
*curpos = 0;
curpos = curpos + 1;
}
/* Put in the SLP_EXTENSION_ID_REG_PID */
if(SLPPropertyAsBoolean(SLPGetProperty("net.slp.watchRegistrationPID")))
{
extoffset = curpos - buf;
ToUINT16(curpos,SLP_EXTENSION_ID_REG_PID);
curpos += 2;
ToUINT24(curpos,0);
curpos += 3;
ToUINT32(curpos,SLPPidGet());
curpos += 4;
}
/*--------------------------*/
/* Call the RqstRply engine */
/*--------------------------*/
sock = NetworkConnectToSA(handle,
handle->params.reg.scopelist,
handle->params.reg.scopelistlen,
&peeraddr);
if(sock >= 0)
{
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
extoffset,
buf,
SLP_FUNCT_SRVREG,
bufsize,
CallbackSrvReg,
handle);
if (result)
{
NetworkDisconnectSA(handle);
}
}
else
{
result = SLP_NETWORK_INIT_FAILED;
}
FINISHED:
if(buf) xfree(buf);
#ifdef ENABLE_SLPv2_SECURITY
if(urlauth) xfree(urlauth);
if(attrauth) xfree(attrauth);
#endif
return result;
}
#ifdef ENABLE_ASYNC_API
/*-------------------------------------------------------------------------*/
SLPError AsyncProcessSrvReg(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
SLPError result = ProcessSrvReg(handle);
xfree((void*)handle->params.reg.url);
xfree((void*)handle->params.reg.srvtype);
xfree((void*)handle->params.reg.scopelist);
xfree((void*)handle->params.reg.attrlist);
handle->inUse = SLP_FALSE;
return result;
}
#endif
/*=========================================================================*/
SLPError SLPAPI SLPReg(SLPHandle hSLP,
const char *srvUrl,
const unsigned short lifetime,
const char *srvType,
const char *attrList,
SLPBoolean fresh,
SLPRegReport callback,
void *cookie)
/* */
/* See slplib.h for detailed documentation */
/*=========================================================================*/
{
PSLPHandleInfo handle = 0;
SLPError result = SLP_OK;
SLPSrvURL* parsedurl = 0;
/*------------------------------*/
/* check for invalid parameters */
/*------------------------------*/
if(hSLP == 0 ||
*(unsigned int*)hSLP != SLP_HANDLE_SIG ||
srvUrl == 0 ||
*srvUrl == 0 || /* srvUrl can't be empty string */
lifetime == 0 || /* lifetime can not be zero */
attrList == 0 ||
callback == 0)
{
return SLP_PARAMETER_BAD;
}
/*---------------------------------------------*/
/* We don't handle non-fresh registrations */
/*---------------------------------------------*/
if(fresh == SLP_FALSE)
{
return SLP_NOT_IMPLEMENTED;
}
/*-----------------------------------------*/
/* cast the SLPHandle into a SLPHandleInfo */
/*-----------------------------------------*/
handle = (PSLPHandleInfo)hSLP;
/*-----------------------------------------*/
/* Check to see if the handle is in use */
/*-----------------------------------------*/
if(handle->inUse == SLP_TRUE)
{
return SLP_HANDLE_IN_USE;
}
handle->inUse = SLP_TRUE;
/*------------------*/
/* Parse the srvurl */
/*------------------*/
result = SLPParseSrvURL(srvUrl,&parsedurl);
if(result)
{
if(result == SLP_PARSE_ERROR)
{
result = SLP_INVALID_REGISTRATION;
}
if(parsedurl) SLPFree(parsedurl);
handle->inUse = SLP_FALSE;
return result;
}
/*-------------------------------------------*/
/* Set the handle up to reference parameters */
/*-------------------------------------------*/
handle->params.reg.fresh = fresh;
handle->params.reg.lifetime = lifetime;
handle->params.reg.urllen = strlen(srvUrl);
handle->params.reg.url = srvUrl;
handle->params.reg.srvtype = parsedurl->s_pcSrvType;
handle->params.reg.srvtypelen = strlen(handle->params.reg.srvtype);
handle->params.reg.scopelist = SLPGetProperty("net.slp.useScopes");
if(handle->params.reg.scopelist)
{
handle->params.reg.scopelistlen = strlen(handle->params.reg.scopelist);
}
handle->params.reg.attrlistlen = strlen(attrList);
handle->params.reg.attrlist = attrList;
handle->params.reg.callback = callback;
handle->params.reg.cookie = cookie;
#ifdef ENABLE_ASYNC_API
/*----------------------------------------------*/
/* Check to see if we should be async or sync */
/*----------------------------------------------*/
if(handle->isAsync)
{
/* Copy all of the referenced parameters before making thread */
handle->params.reg.url = xstrdup(handle->params.reg.url);
handle->params.reg.srvtype = xstrdup(handle->params.reg.url);
handle->params.reg.scopelist = xstrdup(handle->params.reg.scopelist);
handle->params.reg.attrlist = xstrdup(handle->params.reg.attrlist);
/* make sure that the strdups did not fail */
if(handle->params.reg.url &&
handle->params.reg.srvtype &&
handle->params.reg.scopelist &&
handle->params.reg.attrlist)
{
result = ThreadCreate((ThreadStartProc)AsyncProcessSrvReg,handle);
}
else
{
result = SLP_MEMORY_ALLOC_FAILED;
}
if(result)
{
if(handle->params.reg.url) xfree((void*)handle->params.reg.url);
if(handle->params.reg.srvtype) xfree((void*)handle->params.reg.srvtype);
if(handle->params.reg.scopelist) xfree((void*)handle->params.reg.scopelist);
if(handle->params.reg.attrlist) xfree((void*)handle->params.reg.attrlist);
handle->inUse = SLP_FALSE;
}
}
else
#endif //ffdef ENABLE_ASYNC_API
{
result = ProcessSrvReg(handle);
handle->inUse = SLP_FALSE;
}
if(parsedurl) SLPFree(parsedurl);
return result;
}
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