/*-------------------------------------------------------------------------*/
int ProcessSrvRqst(struct sockaddr_in* peeraddr,
SLPMessage message,
SLPBuffer* sendbuf,
int errorcode)
/*-------------------------------------------------------------------------*/
{
int i;
int size = 0;
int count = 0;
int found = 0;
SLPDDatabaseSrvUrl* srvarray = 0;
SLPBuffer result = *sendbuf;
/*--------------------------------------------------------------*/
/* If errorcode is set, we can not be sure that message is good */
/* Go directly to send response code */
/*--------------------------------------------------------------*/
if(errorcode)
{
goto RESPOND;
}
/*-------------------------------------------------*/
/* Check for one of our IP addresses in the prlist */
/*-------------------------------------------------*/
if(SLPIntersectStringList(message->body.srvrqst.prlistlen,
message->body.srvrqst.prlist,
G_SlpdProperty.interfacesLen,
G_SlpdProperty.interfaces))
{
result->end = result->start;
goto FINISHED;
}
/*------------------------------------------------*/
/* Check to to see if a this is a special SrvRqst */
/*------------------------------------------------*/
if(SLPCompareString(message->body.srvrqst.srvtypelen,
message->body.srvrqst.srvtype,
23,
"service:directory-agent") == 0)
{
errorcode = ProcessDASrvRqst(peeraddr, message, sendbuf, errorcode);
return errorcode;
}
if(SLPCompareString(message->body.srvrqst.srvtypelen,
message->body.srvrqst.srvtype,
21,
"service:service-agent") == 0)
{
errorcode = ProcessSASrvRqst(peeraddr, message, sendbuf, errorcode);
return errorcode;
}
/* TODO: check the spi list of the message and return */
/* AUTHENTICATION_UNKNOWN since we do not do authentication yet */
/*------------------------------------*/
/* Make sure that we handle the scope */
/*------ -----------------------------*/
if(SLPIntersectStringList(message->body.srvrqst.scopelistlen,
message->body.srvrqst.scopelist,
G_SlpdProperty.useScopesLen,
G_SlpdProperty.useScopes) != 0)
{
/*-------------------------------*/
/* Find services in the database */
/*-------------------------------*/
while(found == count)
{
count += G_SlpdProperty.maxResults;
if(srvarray) free(srvarray);
srvarray = (SLPDDatabaseSrvUrl*)malloc(sizeof(SLPDDatabaseSrvUrl) * count);
if(srvarray == 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
break;
}
found = SLPDDatabaseFindSrv(&(message->body.srvrqst), srvarray, count);
if(found < 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
break;
}
}
/* remember the amount found if is really big for next time */
if(found > G_SlpdProperty.maxResults)
{
G_SlpdProperty.maxResults = found;
}
}
else
{
errorcode = SLP_ERROR_SCOPE_NOT_SUPPORTED;
}
RESPOND:
/*----------------------------------------------------------------*/
/* Do not send error codes or empty replies to multicast requests */
/*----------------------------------------------------------------*/
if(found == 0 ||
errorcode != 0)
{
if(message->header.flags & SLP_FLAG_MCAST ||
ISMCAST(peeraddr->sin_addr))
{
result->end = result->start;
goto FINISHED;
}
}
/*-------------------------------------------------------------*/
/* ensure the buffer is big enough to handle the whole srvrply */
/*-------------------------------------------------------------*/
size = message->header.langtaglen + 18; /* 14 bytes for header */
/* 2 bytes for error code */
/* 2 bytes for url count */
if(errorcode == 0)
{
for(i=0;i<found;i++)
{
size += srvarray[i].urllen + 6; /* 1 byte for reserved */
/* 2 bytes for lifetime */
/* 2 bytes for urllen */
/* 1 byte for authcount */
/* TODO: Fix this for authentication */
}
result = SLPBufferRealloc(result,size);
if(result == 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
goto FINISHED;
}
}
/*----------------*/
/* Add the header */
/*----------------*/
/*version*/
*(result->start) = 2;
/*function id*/
*(result->start + 1) = SLP_FUNCT_SRVRPLY;
/*length*/
ToUINT24(result->start + 2, size);
/*flags*/
ToUINT16(result->start + 5,
size > SLP_MAX_DATAGRAM_SIZE ? SLP_FLAG_OVERFLOW : 0);
/*ext offset*/
ToUINT24(result->start + 7,0);
/*xid*/
ToUINT16(result->start + 10,message->header.xid);
/*lang tag len*/
ToUINT16(result->start + 12,message->header.langtaglen);
/*lang tag*/
memcpy(result->start + 14,
message->header.langtag,
message->header.langtaglen);
/*-------------------------*/
/* Add rest of the SrvRply */
/*-------------------------*/
result->curpos = result->start + 14 + message->header.langtaglen;
/* error code*/
ToUINT16(result->curpos, errorcode);
result->curpos = result->curpos + 2;
/* urlentry count */
ToUINT16(result->curpos, found);
result->curpos = result->curpos + 2;
for(i=0;i<found;i++)
{
/* url-entry reserved */
*result->curpos = 0;
result->curpos = result->curpos + 1;
/* url-entry lifetime */
ToUINT16(result->curpos,srvarray[i].lifetime);
result->curpos = result->curpos + 2;
/* url-entry urllen */
ToUINT16(result->curpos,srvarray[i].urllen);
result->curpos = result->curpos + 2;
/* url-entry url */
memcpy(result->curpos,srvarray[i].url,srvarray[i].urllen);
result->curpos = result->curpos + srvarray[i].urllen;
/* url-entry authcount */
*result->curpos = 0;
result->curpos = result->curpos + 1;
/* TODO: put in authentication stuff too */
}
FINISHED:
if(srvarray) free(srvarray);
*sendbuf = result;
return errorcode;
}
/*-------------------------------------------------------------------------*/
void ProcessSrvRqst(SLPDPeerInfo* peerinfo,
SLPMessage message,
SLPBuffer result)
/*-------------------------------------------------------------------------*/
{
int i;
int size = 0;
int count = 0;
int found = 0;
SLPDDatabaseSrvUrl* srvarray = 0;
int errorcode = 0;
/*-------------------------------------------------*/
/* Check for one of our IP addresses in the prlist */
/*-------------------------------------------------*/
if(SLPStringListIntersect(message->body.srvrqst.prlistlen,
message->body.srvrqst.prlist,
G_SlpdProperty.interfacesLen,
G_SlpdProperty.interfaces))
{
result->end = result->start;
return;
}
/*------------------------------------*/
/* Make sure that we handle the scope */
/*------ -----------------------------*/
if(SLPStringListIntersect(message->body.srvrqst.scopelistlen,
message->body.srvrqst.scopelist,
G_SlpdProperty.useScopesLen,
G_SlpdProperty.useScopes) == 0)
{
result->end = result->start;
return;
}
/*-------------------------------*/
/* Find services in the database */
/*-------------------------------*/
while(found == count)
{
count += SLPDPROCESS_RESULT_COUNT;
if(srvarray) free(srvarray);
srvarray = (SLPDDatabaseSrvUrl*)malloc(sizeof(SLPDDatabaseSrvUrl) * count);
if(srvarray == 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
break;
}
found = SLPDDatabaseFindSrv(&(message->body.srvrqst), srvarray, count);
if(found < 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
break;
}
}
/*----------------------------------------------------------------*/
/* Do not send error codes or empty replies to multicast requests */
/*----------------------------------------------------------------*/
if(found <= 0 && (message->header.flags & SLP_FLAG_MCAST))
{
if(srvarray) free(srvarray);
result->end = result->start;
return;
}
/*-------------------------------------------------------------*/
/* ensure the buffer is big enough to handle the whole srvrply */
/*-------------------------------------------------------------*/
size = message->header.langtaglen + 18; /* 14 bytes for header */
/* 2 bytes for error code */
/* 2 bytes for url count */
for(i=0;i<found;i++)
{
size += srvarray[i].urllen + 6; /* 1 byte for reserved */
/* 2 bytes for lifetime */
/* 2 bytes for urllen */
/* 1 byte for authcount */
/* TODO: Fix this for authentication */
}
result = SLPBufferRealloc(result,size);
if(result == 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
}
/*----------------*/
/* Add the header */
/*----------------*/
/*version*/
*(result->start) = 2;
/*function id*/
*(result->start + 1) = SLP_FUNCT_SRVRPLY;
/*length*/
ToUINT24(result->start + 2,size);
/*flags*/
ToUINT16(result->start + 5,
size > SLP_MAX_DATAGRAM_SIZE ? SLP_FLAG_OVERFLOW : 0);
/*ext offset*/
ToUINT24(result->start + 7,0);
/*xid*/
ToUINT16(result->start + 10,message->header.xid);
/*lang tag len*/
ToUINT16(result->start + 12,message->header.langtaglen);
/*lang tag*/
memcpy(result->start + 14,
message->header.langtag,
message->header.langtaglen);
/*-------------------------*/
/* Add rest of the SrvRply */
/*-------------------------*/
result->curpos = result->start + 14 + message->header.langtaglen;
/* error code*/
ToUINT16(result->curpos, errorcode);
result->curpos = result->curpos + 2;
/* urlentry count */
ToUINT16(result->curpos, found);
result->curpos = result->curpos + 2;
for(i=0;i<found;i++)
{
/* url-entry reserved */
*result->curpos = 0;
result->curpos = result->curpos + 1;
/* url-entry lifetime */
ToUINT16(result->curpos,srvarray[i].lifetime);
result->curpos = result->curpos + 2;
/* url-entry urllen */
ToUINT16(result->curpos,srvarray[i].urllen);
result->curpos = result->curpos + 2;
/* url-entry url */
memcpy(result->curpos,srvarray[i].url,srvarray[i].urllen);
result->curpos = result->curpos + srvarray[i].urllen;
/* url-entry authcount */
*result->curpos = 0;
result->curpos = result->curpos + 1;
/* TODO: put in authentication stuff too */
}
if(srvarray) free(srvarray);
}
/*-------------------------------------------------------------------------*/
int v1ProcessSrvRqst(struct sockaddr_in* peeraddr,
SLPMessage message,
SLPBuffer* sendbuf,
int errorcode)
/*-------------------------------------------------------------------------*/
{
int i, urllen;
int size = 0;
int count = 0;
int found = 0;
SLPDDatabaseSrvUrl* srvarray = 0;
SLPBuffer result = *sendbuf;
/*--------------------------------------------------------------*/
/* If errorcode is set, we can not be sure that message is good */
/* Go directly to send response code */
/*--------------------------------------------------------------*/
if(errorcode)
{
goto RESPOND;
}
/*-------------------------------------------------*/
/* Check for one of our IP addresses in the prlist */
/*-------------------------------------------------*/
if(SLPIntersectStringList(message->body.srvrqst.prlistlen,
message->body.srvrqst.prlist,
G_SlpdProperty.interfacesLen,
G_SlpdProperty.interfaces))
{
result->end = result->start;
goto FINISHED;
}
/*------------------------------------------------*/
/* Check to to see if a this is a special SrvRqst */
/*------------------------------------------------*/
if(SLPCompareString(message->body.srvrqst.srvtypelen,
message->body.srvrqst.srvtype,
15,
"directory-agent") == 0)
{
errorcode = v1ProcessDASrvRqst(peeraddr, message, sendbuf, errorcode);
return errorcode;
}
/*------------------------------------*/
/* Make sure that we handle the scope */
/*------ -----------------------------*/
if(SLPIntersectStringList(message->body.srvrqst.scopelistlen,
message->body.srvrqst.scopelist,
G_SlpdProperty.useScopesLen,
G_SlpdProperty.useScopes) != 0)
{
/*-------------------------------*/
/* Find services in the database */
/*-------------------------------*/
while(found == count)
{
count += G_SlpdProperty.maxResults;
if(srvarray) free(srvarray);
srvarray = (SLPDDatabaseSrvUrl*)malloc(sizeof(SLPDDatabaseSrvUrl) * count);
if(srvarray == 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
break;
}
found = SLPDDatabaseFindSrv(&(message->body.srvrqst), srvarray, count);
if(found < 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
break;
}
}
/* remember the amount found if is really big for next time */
if(found > G_SlpdProperty.maxResults)
{
G_SlpdProperty.maxResults = found;
}
}
else
{
errorcode = SLP_ERROR_SCOPE_NOT_SUPPORTED;
}
RESPOND:
/*----------------------------------------------------------------*/
/* Do not send error codes or empty replies to multicast requests */
/*----------------------------------------------------------------*/
if(message->header.flags & SLP_FLAG_MCAST)
{
if(found == 0)
{
result->end = result->start;
goto FINISHED;
}
}
/*-------------------------------------------------------------*/
/* ensure the buffer is big enough to handle the whole srvrply */
/*-------------------------------------------------------------*/
size = 16; /* 12 bytes for header, 2 bytes for error code, 2
bytes for url count */
if(errorcode == 0)
{
for(i=0;i<found;i++)
{
urllen = INT_MAX;
errorcode = SLPv1ToEncoding(0, &urllen,
message->header.encoding,
srvarray[i].url,
srvarray[i].urllen);
if(errorcode)
break;
size += urllen + 4; /* 2 bytes for lifetime,
2 bytes for urllen */
}
result = SLPBufferRealloc(result,size);
if(result == 0)
{
found = 0;
errorcode = SLP_ERROR_INTERNAL_ERROR;
}
}
/*----------------*/
/* Add the header */
/*----------------*/
/*version*/
*(result->start) = 1;
/*function id*/
*(result->start + 1) = SLP_FUNCT_SRVRPLY;
/*length*/
ToUINT16(result->start + 2, size);
/*flags - TODO set the flags correctly */
*(result->start + 4) = message->header.flags |
(size > SLP_MAX_DATAGRAM_SIZE ? SLPv1_FLAG_OVERFLOW : 0);
/*dialect*/
*(result->start + 5) = 0;
/*language code*/
memcpy(result->start + 6, message->header.langtag, 2);
ToUINT16(result->start + 8, message->header.encoding);
/*xid*/
ToUINT16(result->start + 10, message->header.xid);
/*-------------------------*/
/* Add rest of the SrvRply */
/*-------------------------*/
result->curpos = result->start + 12;
/* error code*/
ToUINT16(result->curpos, errorcode);
result->curpos = result->curpos + 2;
/* urlentry count */
ToUINT16(result->curpos, found);
result->curpos = result->curpos + 2;
for(i=0;i<found;i++)
{
/* url-entry lifetime */
ToUINT16(result->curpos,srvarray[i].lifetime);
result->curpos = result->curpos + 2;
/* url-entry url and urllen */
urllen = size;
errorcode = SLPv1ToEncoding(result->curpos + 2, &urllen,
message->header.encoding,
srvarray[i].url,
srvarray[i].urllen);
ToUINT16(result->curpos, urllen);
result->curpos = result->curpos + 2 + urllen;
}
FINISHED:
if(srvarray) free(srvarray);
*sendbuf = result;
return errorcode;
}
