/*-------------------------------------------------------------------------*/
int KnownDADiscoveryRqstRply(int sock,
struct sockaddr_in* peeraddr,
int scopelistlen,
const char* scopelist)
/* Returns: number of *new* DAEntries found */
/*-------------------------------------------------------------------------*/
{
char* buf;
char* curpos;
int bufsize;
int result = 0;
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVRQST */
/*-------------------------------------------------------------------*/
bufsize = 31; /* 2 bytes for the srvtype length */
/* 23 bytes for "service:directory-agent" srvtype */
/* 2 bytes for scopelistlen */
/* 2 bytes for predicatelen */
/* 2 bytes for sprstrlen */
bufsize += scopelistlen;
/* TODO: make sure that we don't exceed the MTU */
buf = curpos = (char*)xmalloc(bufsize);
if(buf == 0)
{
return 0;
}
memset(buf,0,bufsize);
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVRQST */
/*------------------------------------------------------------*/
/* service type */
ToUINT16(curpos,23);
curpos = curpos + 2;
/* 23 is the length of SLP_DA_SERVICE_TYPE */
memcpy(curpos,SLP_DA_SERVICE_TYPE,23);
curpos += 23;
/* scope list */
ToUINT16(curpos,scopelistlen);
curpos = curpos + 2;
memcpy(curpos,scopelist,scopelistlen);
/* predicate zero length */
/* spi list zero length */
NetworkRqstRply(sock,
peeraddr,
"en",
buf,
SLP_FUNCT_DASRVRQST,
bufsize,
KnownDADiscoveryCallback,
&result);
xfree(buf);
return result;
}
/*-------------------------------------------------------------------------*/
int KnownDADiscoveryRqstRply(int sock, struct sockaddr_in* peeraddr)
/*-------------------------------------------------------------------------*/
{
int result = 0;
char* buf;
char* curpos;
int bufsize;
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVRQST */
/*-------------------------------------------------------------------*/
bufsize = 31; /* 2 bytes for the srvtype length */
/* 23 bytes for "service:directory-agent" srvtype */
/* 2 bytes for scopelistlen */
/* 2 bytes for predicatelen */
/* 2 bytes for sprstrlen */
/* TODO: make sure that we don't exceed the MTU */
buf = curpos = (char*)malloc(bufsize);
if(buf == 0)
{
return 0;
}
memset(buf,0,bufsize);
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVRQST */
/*------------------------------------------------------------*/
/* service type */
ToUINT16(curpos,23);
curpos = curpos + 2;
memcpy(curpos,"service:directory-agent",23);
/* scope list zero length */
/* predicate zero length */
/* spi list zero length */
NetworkRqstRply(sock,
peeraddr,
"en",
buf,
SLP_FUNCT_DASRVRQST,
bufsize,
KnownDADiscoveryCallback,
&result);
free(buf);
return result;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvRqst(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
struct sockaddr_in peeraddr;
int sock = -1;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
#ifdef ENABLE_SLPv2_SECURITY
int spistrlen = 0;
char* spistr = 0;
#endif
/*------------------------------------------*/
/* Is this a special attempt to locate DAs? */
/*------------------------------------------*/
if(strncasecmp(handle->params.findsrvs.srvtype,
SLP_DA_SERVICE_TYPE,
handle->params.findsrvs.srvtypelen) == 0)
{
KnownDAProcessSrvRqst(handle);
goto FINISHED;
}
#ifdef ENABLE_SLPv2_SECURITY
if(SLPPropertyAsBoolean(SLPGetProperty("net.slp.securityEnabled")))
{
SLPSpiGetDefaultSPI(handle->hspi,
SLPSPI_KEY_TYPE_PUBLIC,
&spistrlen,
&spistr);
}
#endif
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVRQST */
/*-------------------------------------------------------------------*/
bufsize = handle->params.findsrvs.srvtypelen + 2; /* 2 bytes for len field */
bufsize += handle->params.findsrvs.scopelistlen + 2; /* 2 bytes for len field */
bufsize += handle->params.findsrvs.predicatelen + 2; /* 2 bytes for len field */
bufsize += 2; /* 2 bytes for spistr len*/
#ifdef ENABLE_SLPv2_SECURITY
bufsize += spistrlen;
#endif
buf = curpos = (char*)xmalloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVRQST */
/*------------------------------------------------------------*/
/* service type */
ToUINT16(curpos,handle->params.findsrvs.srvtypelen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvs.srvtype,
handle->params.findsrvs.srvtypelen);
curpos = curpos + handle->params.findsrvs.srvtypelen;
/* scope list */
ToUINT16(curpos,handle->params.findsrvs.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen);
curpos = curpos + handle->params.findsrvs.scopelistlen;
/* predicate */
ToUINT16(curpos,handle->params.findsrvs.predicatelen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvs.predicate,
handle->params.findsrvs.predicatelen);
curpos = curpos + handle->params.findsrvs.predicatelen;
#ifdef ENABLE_SLPv2_SECURITY
ToUINT16(curpos,spistrlen);
curpos = curpos + 2;
memcpy(curpos,spistr,spistrlen);
curpos = curpos + spistrlen;
#else
ToUINT16(curpos,0);
#endif
/*--------------------------*/
/* Call the RqstRply engine */
/*--------------------------*/
do
{
#ifndef UNICAST_NOT_SUPPORTED
if ( handle->dounicast == 1 )
{
void *cookie = (PSLPHandleInfo) handle;
result = NetworkUcastRqstRply(handle,
buf,
SLP_FUNCT_SRVRQST,
bufsize,
ProcessSrvRplyCallback,
cookie);
break;
}
else
#endif
if(strncasecmp(handle->params.findsrvs.srvtype,
SLP_SA_SERVICE_TYPE,
handle->params.findsrvs.srvtypelen))
{
sock = NetworkConnectToDA(handle,
handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen,
&peeraddr);
}
if(sock == -1)
{
/* use multicast as a last resort */
#ifndef MI_NOT_SUPPORTED
result = NetworkMcastRqstRply(handle,
buf,
SLP_FUNCT_SRVRQST,
bufsize,
ProcessSrvRplyCallback,
NULL);
#else
result = NetworkMcastRqstRply(handle->langtag,
buf,
SLP_FUNCT_SRVRQST,
bufsize,
ProcessSrvRplyCallback,
handle);
#endif /* MI_NOT_SUPPORTED */
break;
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
0,
buf,
SLP_FUNCT_SRVRQST,
bufsize,
ProcessSrvRplyCallback,
handle);
if(result)
{
NetworkDisconnectDA(handle);
}
}while(result == SLP_NETWORK_ERROR);
FINISHED:
if(buf) xfree(buf);
#ifdef ENABLE_SLPv2_SECURITY
if(spistr) xfree(spistr);
#endif
return result;
}
/** Formats and sends an SLPFindSrvs wire buffer request.
*
* @param handle - The OpenSLP session handle, containing request
* parameters. See docs for SLPFindSrvs.
*
* @return Zero on success, or an SLP API error code.
*
* @internal
*/
static SLPError ProcessSrvRqst(SLPHandleInfo * handle)
{
uint8_t * buf;
uint8_t * curpos;
SLPError serr;
size_t spistrlen = 0;
char * spistr = 0;
struct sockaddr_storage peeraddr;
struct sockaddr_in* destaddrs = 0;
sockfd_t sock = SLP_INVALID_SOCKET;
/* Is this a special attempt to locate DAs? */
if (strncasecmp(handle->params.findsrvs.srvtype, SLP_DA_SERVICE_TYPE,
handle->params.findsrvs.srvtypelen) == 0)
{
KnownDAProcessSrvRqst(handle);
return 0;
}
#ifdef ENABLE_SLPv2_SECURITY
if (SLPPropertyAsBoolean("net.slp.securityEnabled"))
SLPSpiGetDefaultSPI(handle->hspi, SLPSPI_KEY_TYPE_PUBLIC,
&spistrlen, &spistr);
#endif
/* 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of <service-type> | <service-type> String \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of <scope-list> | <scope-list> String \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of predicate string | Service Request <predicate> \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of <SLP SPI> string | <SLP SPI> String \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */
buf = curpos = xmalloc(
+ 2 + handle->params.findsrvs.srvtypelen
+ 2 + handle->params.findsrvs.scopelistlen
+ 2 + handle->params.findsrvs.predicatelen
+ 2 + spistrlen);
if (buf == 0)
{
xfree(spistr);
return SLP_MEMORY_ALLOC_FAILED;
}
/* <service-type> */
PutL16String(&curpos, handle->params.findsrvs.srvtype,
handle->params.findsrvs.srvtypelen);
/* <scope-list> */
PutL16String(&curpos, handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen);
/* predicate string */
PutL16String(&curpos, handle->params.findsrvs.predicate,
handle->params.findsrvs.predicatelen);
/* <SLP SPI> */
PutL16String(&curpos, (char *)spistr, spistrlen);
/* Call the RqstRply engine. */
do
{
#ifndef UNICAST_NOT_SUPPORTED
if (handle->dounicast == 1)
{
serr = NetworkUcastRqstRply(handle, buf, SLP_FUNCT_SRVRQST,
curpos - buf, ProcessSrvRplyCallback, handle, false);
break;
}
if (SLPNetIsIPV4())
{
if (KnownDASpanningListFromCache(handle,
(int)handle->params.findsrvs.scopelistlen,
handle->params.findsrvs.scopelist,
&destaddrs) > 0)
{
serr = NetworkMultiUcastRqstRply(destaddrs,
handle->langtag,
(char*)buf,
SLP_FUNCT_SRVRQST,
curpos - buf,
ProcessSrvRplyCallback,
handle, false);
xfree(destaddrs);
break;
}
}
#endif
if (strncasecmp(handle->params.findsrvs.srvtype, SLP_SA_SERVICE_TYPE,
handle->params.findsrvs.srvtypelen) != 0)
sock = NetworkConnectToDA(handle, handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen, &peeraddr);
if (sock == SLP_INVALID_SOCKET)
{
/* Use multicast as a last resort. */
serr = NetworkMcastRqstRply(handle, buf, SLP_FUNCT_SRVRQST,
curpos - buf, ProcessSrvRplyCallback, 0, false);
break;
}
serr = NetworkRqstRply(sock, &peeraddr, handle->langtag, 0, buf,
SLP_FUNCT_SRVRQST, curpos - buf, ProcessSrvRplyCallback,
handle, false);
if (serr)
NetworkDisconnectDA(handle);
} while (serr == SLP_NETWORK_ERROR);
xfree(buf);
xfree(spistr);
return serr;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvReg(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
int sock;
struct sockaddr_in peeraddr;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
#ifdef ENABLE_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 */
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_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_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;
}
/*--------------------------*/
/* Call the RqstRply engine */
/*--------------------------*/
do
{
sock = NetworkConnectToSA(handle,
handle->params.reg.scopelist,
handle->params.reg.scopelistlen,
&peeraddr);
if(sock == -1)
{
result = SLP_NETWORK_INIT_FAILED;
break;
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
buf,
SLP_FUNCT_SRVREG,
bufsize,
CallbackSrvReg,
handle);
if(result)
{
NetworkDisconnectSA(handle);
}
}while(result == SLP_NETWORK_ERROR);
FINISHED:
if(buf) xfree(buf);
#ifdef ENABLE_SECURITY
if(urlauth) xfree(urlauth);
if(attrauth) xfree(attrauth);
#endif
return result;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvRqst(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
struct sockaddr_in peeraddr;
int sock = 0;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVRQST */
/*-------------------------------------------------------------------*/
bufsize = handle->params.findsrvs.srvtypelen + 2; /* 2 bytes for len field */
bufsize += handle->params.findsrvs.scopelistlen + 2; /* 2 bytes for len field */
bufsize += handle->params.findsrvs.predicatelen + 2; /* 2 bytes for len field */
bufsize += 2; /* 2 bytes for spistr len*/
/* TODO: make sure that we don't exceed the MTU */
buf = curpos = (char*)malloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVRQST */
/*------------------------------------------------------------*/
/* service type */
ToUINT16(curpos,handle->params.findsrvs.srvtypelen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvs.srvtype,
handle->params.findsrvs.srvtypelen);
curpos = curpos + handle->params.findsrvs.srvtypelen;
/* scope list */
ToUINT16(curpos,handle->params.findsrvs.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen);
curpos = curpos + handle->params.findsrvs.scopelistlen;
/* predicate */
ToUINT16(curpos,handle->params.findsrvs.predicatelen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvs.predicate,
handle->params.findsrvs.predicatelen);
curpos = curpos + handle->params.findsrvs.predicatelen;
/* TODO: add spi list stuff here later*/
ToUINT16(curpos,0);
/*---------------------------------------*/
/* Connect to DA, multicast or broadcast */
/*---------------------------------------*/
sock = NetworkConnectToDA(handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen,
&peeraddr);
if(sock < 0)
{
sock = NetworkConnectToMulticast(&peeraddr);
if(sock < 0)
{
result = SLP_NETWORK_INIT_FAILED;
goto FINISHED;
}
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
buf,
SLP_FUNCT_SRVRQST,
bufsize,
CallbackSrvRqst,
handle);
FINISHED:
if(buf) free(buf);
return result;
}
/** Formats and sends an SLPReg wire buffer request.
*
* @param handle - The OpenSLP session handle, containing request
* parameters. See docs for SLPReg.
*
* @return Zero on success, or an SLP API error code.
*
* @internal
*/
static SLPError ProcessSrvReg(SLPHandleInfo * handle)
{
sockfd_t sock;
uint8_t * buf;
uint8_t * curpos;
SLPError serr;
size_t extoffset = 0;
int urlauthlen = 0;
uint8_t * urlauth = 0;
int attrauthlen = 0;
uint8_t * attrauth = 0;
SLPBoolean watchRegPID;
struct sockaddr_storage saaddr;
#ifdef ENABLE_SLPv2_SECURITY
if (SLPPropertyAsBoolean("net.slp.securityEnabled"))
{
int err = SLPAuthSignUrl(handle->hspi, 0, 0, handle->params.reg.urllen,
handle->params.reg.url, &urlauthlen, &urlauth);
if (err == 0)
err = SLPAuthSignString(handle->hspi, 0, 0,
handle->params.reg.attrlistlen, handle->params.reg.attrlist,
&attrauthlen, &attrauth);
if (err != 0)
return SLP_AUTHENTICATION_ABSENT;
}
#endif
/* Should we send the "Watch Registration PID" extension? */
watchRegPID = SLPPropertyAsBoolean("net.slp.watchRegistrationPID");
/* 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| <URL-Entry> \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of service type string | <service-type> \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of <scope-list> | <scope-list> \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of attr-list string | <attr-list> \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|# of AttrAuths |(if present) Attribute Authentication Blocks...\
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| WATCH-PID extension ID | next extension offset \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| nxo (cont) | process identifier to be monitored \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| PID (cont) |
+-+-+-+-+-+-+-+-+ */
buf = curpos = xmalloc(
+ SizeofURLEntry(handle->params.reg.urllen, urlauthlen)
+ 2 + handle->params.reg.srvtypelen
+ 2 + handle->params.reg.scopelistlen
+ 2 + handle->params.reg.attrlistlen
+ 1 + attrauthlen
+ (watchRegPID? (2 + 3 + 4): 0));
if (buf == 0)
{
xfree(urlauth);
xfree(attrauth);
return SLP_MEMORY_ALLOC_FAILED;
}
/* URL entry */
PutURLEntry(&curpos, handle->params.reg.lifetime, handle->params.reg.url,
handle->params.reg.urllen, urlauth, urlauthlen);
/* <service-type> */
PutL16String(&curpos, handle->params.reg.srvtype,
handle->params.reg.srvtypelen);
/* <scope-list> */
PutL16String(&curpos, handle->params.reg.scopelist,
handle->params.reg.scopelistlen);
/* <attr-list> */
PutL16String(&curpos, handle->params.reg.attrlist,
handle->params.reg.attrlistlen);
/** @todo Handle multiple attribute authentication blocks. */
/* Attribute Authentication Blocks */
*curpos++ = attrauth? 1: 0;
memcpy(curpos, attrauth, attrauthlen);
curpos += attrauthlen;
/* SLP_EXTENSION_ID_REG_PID */
if (watchRegPID)
{
extoffset = curpos - buf;
/** @todo In some future code base, this should be changed to use the
* non-deprecated official version, SLP_EXTENSION_ID_REG_PID. For now
* we need to use the EXPerimental version in order to interoperate
* properly with OpenSLP 1.x SA's.
*/
PutUINT16(&curpos, SLP_EXTENSION_ID_REG_PID_EXP);
PutUINT24(&curpos, 0);
PutUINT32(&curpos, SLPPidGet());
}
/* Call the Request-Reply engine. */
sock = NetworkConnectToSA(handle, handle->params.reg.scopelist,
handle->params.reg.scopelistlen, &saaddr);
if (sock != SLP_INVALID_SOCKET)
{
serr = NetworkRqstRply(sock, &saaddr, handle->langtag, extoffset,
buf, SLP_FUNCT_SRVREG, curpos - buf, CallbackSrvReg, handle);
if (serr)
NetworkDisconnectSA(handle);
}
else
serr = SLP_NETWORK_INIT_FAILED;
xfree(buf);
xfree(urlauth);
xfree(attrauth);
return serr;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvDeReg(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
int sock;
struct sockaddr_in peeraddr;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVREG */
/*-------------------------------------------------------------------*/
bufsize += handle->params.dereg.scopelistlen + 2; /* 2 bytes for len field*/
bufsize += handle->params.dereg.urllen + 8; /* 1 byte for reserved */
/* 2 bytes for lifetime */
/* 2 bytes for urllen */
/* 1 byte for authcount */
bufsize += 2; /* 2 bytes for taglistlen*/
/* TODO: Fix this for authentication */
buf = curpos = (char*)malloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVDEREG*/
/*------------------------------------------------------------*/
/* scope list */
ToUINT16(curpos,handle->params.dereg.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.dereg.scopelist,
handle->params.dereg.scopelistlen);
curpos = curpos + handle->params.dereg.scopelistlen;
/* url-entry reserved */
*curpos = 0;
curpos = curpos + 1;
/* url-entry lifetime */
ToUINT16(curpos, 0);
curpos = curpos + 2;
/* url-entry urllen */
ToUINT16(curpos,handle->params.dereg.urllen);
curpos = curpos + 2;
/* url-entry url */
memcpy(curpos,
handle->params.dereg.url,
handle->params.dereg.urllen);
curpos = curpos + handle->params.dereg.urllen;
/* url-entry authcount */
*curpos = 0;
curpos = curpos + 1;
/* TODO: put in urlentry authentication stuff */
/* tag list */
/* TODO: put in taglist stuff */
ToUINT16(curpos,0);
/*--------------------------*/
/* Call the RqstRply engine */
/*--------------------------*/
do
{
sock = NetworkConnectToSA(handle,
handle->params.dereg.scopelist,
handle->params.dereg.scopelistlen,
&peeraddr);
if(sock == -1)
{
result = SLP_NETWORK_INIT_FAILED;
break;
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
buf,
SLP_FUNCT_SRVDEREG,
bufsize,
CallbackSrvDeReg,
handle);
if(result)
{
NetworkDisconnectSA(handle);
}
}while(result == SLP_NETWORK_ERROR);
FINISHED:
if(buf) free(buf);
return result;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvDeReg(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
int sock;
struct sockaddr_storage peeraddr;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
#ifdef ENABLE_SLPv2_SECURITY
int urlauthlen = 0;
unsigned char* urlauth = 0;
if(SLPPropertyAsBoolean(SLPGetProperty("net.slp.securityEnabled")))
{
result = SLPAuthSignUrl(handle->hspi,
0,
0,
handle->params.dereg.urllen,
handle->params.dereg.url,
&urlauthlen,
&urlauth);
bufsize += urlauthlen;
}
#endif
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVDEREG */
/*-------------------------------------------------------------------*/
bufsize += handle->params.dereg.scopelistlen + 2; /* 2 bytes for len field*/
bufsize += handle->params.dereg.urllen + 6; /* 1 byte for reserved */
/* 2 bytes for lifetime */
/* 2 bytes for urllen */
/* 1 byte for authcount */
bufsize += 2; /* 2 bytes for taglistlen*/
/*--------------------------------------------*/
/* Allocate a buffer for the SRVDEREG message */
/*--------------------------------------------*/
buf = curpos = (char*)xmalloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVDEREG*/
/*------------------------------------------------------------*/
/* scope list */
ToUINT16(curpos,handle->params.dereg.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.dereg.scopelist,
handle->params.dereg.scopelistlen);
curpos = curpos + handle->params.dereg.scopelistlen;
/* url-entry reserved */
*curpos = 0;
curpos = curpos + 1;
/* url-entry lifetime */
ToUINT16(curpos, 0);
curpos = curpos + 2;
/* url-entry urllen */
ToUINT16(curpos,handle->params.dereg.urllen);
curpos = curpos + 2;
/* url-entry url */
memcpy(curpos,
handle->params.dereg.url,
handle->params.dereg.urllen);
curpos = curpos + handle->params.dereg.urllen;
/* url-entry authcount */
#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;
}
/* tag list */
/* TODO: No tag list for now put in taglist stuff */
ToUINT16(curpos,0);
/*--------------------------*/
/* 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,
0,
buf,
SLP_FUNCT_SRVDEREG,
bufsize,
CallbackSrvDeReg,
handle);
if (result)
{
NetworkDisconnectSA(handle);
}
}
else
{
result = SLP_NETWORK_INIT_FAILED;
goto FINISHED;
}
FINISHED:
if(buf) xfree(buf);
#ifdef ENABLE_SLPv2_SECURITY
if(urlauth) xfree(urlauth);
#endif
return result;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvTypeRqst(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
int sock;
struct sockaddr_in peeraddr;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the SRVTYPERQST */
/*-------------------------------------------------------------------*/
bufsize = handle->params.findsrvtypes.namingauthlen + 2; /* 2 bytes for len field */
bufsize += handle->params.findsrvtypes.scopelistlen + 2; /* 2 bytes for len field */
/* TODO: make sure that we don't exceed the MTU */
buf = curpos = (char*)xmalloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*----------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the SRVTYPERQST */
/*----------------------------------------------------------------*/
/* naming authority */
if(strcmp(handle->params.findsrvtypes.namingauth, "*") == 0)
{
ToUINT16(curpos,0xffff); /* 0xffff indicates all service types */
curpos += 2;
bufsize--; /* '*' is not put on the wire */
}
else
{
ToUINT16(curpos,handle->params.findsrvtypes.namingauthlen);
curpos += 2;
memcpy(curpos,
handle->params.findsrvtypes.namingauth,
handle->params.findsrvtypes.namingauthlen);
curpos += handle->params.findsrvtypes.namingauthlen;
}
/* scope list */
ToUINT16(curpos,handle->params.findsrvtypes.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findsrvtypes.scopelist,
handle->params.findsrvtypes.scopelistlen);
curpos = curpos + handle->params.findsrvtypes.scopelistlen;
/*--------------------------*/
/* Call the RqstRply engine */
/*--------------------------*/
do
{
sock = NetworkConnectToDA(handle,
handle->params.findsrvtypes.scopelist,
handle->params.findsrvtypes.scopelistlen,
&peeraddr);
if(sock == -1)
{
/* use multicast as a last resort */
result = NetworkMcastRqstRply(handle->langtag,
buf,
SLP_FUNCT_SRVTYPERQST,
bufsize,
ProcessSrvTypeRplyCallback,
handle);
break;
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
0,
buf,
SLP_FUNCT_SRVTYPERQST,
bufsize,
ProcessSrvTypeRplyCallback,
handle);
if(result)
{
NetworkDisconnectDA(handle);
}
}while(result == SLP_NETWORK_ERROR);
FINISHED:
if(buf) xfree(buf);
return result;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessAttrRqst(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
int sock;
struct sockaddr_in peeraddr;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
#ifdef ENABLE_SLPv2_SECURITY
int spistrlen = 0;
char* spistr = 0;
if(SLPPropertyAsBoolean(SLPGetProperty("net.slp.securityEnabled")))
{
SLPSpiGetDefaultSPI(handle->hspi,
SLPSPI_KEY_TYPE_PUBLIC,
&spistrlen,
&spistr);
}
#endif
/*-------------------------------------------------------------------*/
/* determine the size of the fixed portion of the ATTRRQST */
/*-------------------------------------------------------------------*/
bufsize = handle->params.findattrs.urllen + 2; /* 2 bytes for len field */
bufsize += handle->params.findattrs.scopelistlen + 2; /* 2 bytes for len field */
bufsize += handle->params.findattrs.taglistlen + 2; /* 2 bytes for len field */
bufsize += 2; /* 2 bytes for spistr len*/
#ifdef ENABLE_SLPv2_SECURITY
bufsize += spistrlen;
#endif
buf = curpos = (char*)xmalloc(bufsize);
if(buf == 0)
{
result = SLP_MEMORY_ALLOC_FAILED;
goto FINISHED;
}
/*------------------------------------------------------------*/
/* Build a buffer containing the fixed portion of the ATTRRQST*/
/*------------------------------------------------------------*/
/* url */
ToUINT16(curpos,handle->params.findattrs.urllen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findattrs.url,
handle->params.findattrs.urllen);
curpos = curpos + handle->params.findattrs.urllen;
/* scope list */
ToUINT16(curpos,handle->params.findattrs.scopelistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findattrs.scopelist,
handle->params.findattrs.scopelistlen);
curpos = curpos + handle->params.findattrs.scopelistlen;
/* taglist */
ToUINT16(curpos,handle->params.findattrs.taglistlen);
curpos = curpos + 2;
memcpy(curpos,
handle->params.findattrs.taglist,
handle->params.findattrs.taglistlen);
curpos = curpos + handle->params.findattrs.taglistlen;
#ifdef ENABLE_SLPv2_SECURITY
ToUINT16(curpos,spistrlen);
curpos = curpos + 2;
memcpy(curpos,spistr,spistrlen);
curpos = curpos + spistrlen;
#else
ToUINT16(curpos,0);
#endif
/*--------------------------*/
/* Call the RqstRply engine */
/*--------------------------*/
do
{
sock = NetworkConnectToDA(handle,
handle->params.findattrs.scopelist,
handle->params.findattrs.scopelistlen,
&peeraddr);
if(sock == -1)
{
/* use multicast as a last resort */
result = NetworkMcastRqstRply(handle->langtag,
buf,
SLP_FUNCT_ATTRRQST,
bufsize,
ProcessAttrRplyCallback,
handle);
break;
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
0,
buf,
SLP_FUNCT_ATTRRQST,
bufsize,
ProcessAttrRplyCallback,
handle);
if(result)
{
NetworkDisconnectDA(handle);
}
} while(result == SLP_NETWORK_ERROR);
FINISHED:
if(buf) xfree(buf);
#ifdef ENABLE_SLPv2_SECURITY
if(spistr) xfree(spistr);
#endif
return result;
}
/** Formats and sends an SLPFindSrvTypes wire buffer request.
*
* @param handle - The OpenSLP session handle, containing request
* parameters. See docs for SLPFindSrvTypes.
*
* @return Zero on success, or an SLP API error code.
*
* @internal
*/
static SLPError ProcessSrvTypeRqst(SLPHandleInfo * handle)
{
sockfd_t sock;
uint8_t * buf;
uint8_t * curpos;
SLPError serr = SLP_OK;
struct sockaddr_storage peeraddr;
/* 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of Naming Authority | <Naming Authority String> \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| length of <scope-list> | <scope-list> String \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */
/** @todo Ensure that we don't exceed the MTU. */
buf = curpos = xmalloc(
+ 2 + handle->params.findsrvtypes.namingauthlen
+ 2 + handle->params.findsrvtypes.scopelistlen);
if (buf == 0)
return SLP_MEMORY_ALLOC_FAILED;
/* Naming Authority */
if (strcmp(handle->params.findsrvtypes.namingauth, "*") == 0)
PutUINT16(&curpos, 0xffff); /* 0xffff is wildcard */
else
PutL16String(&curpos, handle->params.findsrvtypes.namingauth,
handle->params.findsrvtypes.namingauthlen);
/* <scope-list> */
PutL16String(&curpos, handle->params.findsrvtypes.scopelist,
handle->params.findsrvtypes.scopelistlen);
/* Send request, receive reply. */
do
{
#ifndef UNICAST_NOT_SUPPORTED
if (handle->dounicast == 1)
{
serr = NetworkUcastRqstRply(handle, buf, SLP_FUNCT_SRVTYPERQST,
curpos - buf, ProcessSrvTypeRplyCallback, handle);
break;
}
#endif
sock = NetworkConnectToDA(handle,
handle->params.findsrvtypes.scopelist,
handle->params.findsrvtypes.scopelistlen,
&peeraddr);
if (sock == SLP_INVALID_SOCKET)
{
serr = NetworkMcastRqstRply(handle, buf, SLP_FUNCT_SRVTYPERQST,
curpos - buf, ProcessSrvTypeRplyCallback, 0);
break;
}
serr = NetworkRqstRply(sock, &peeraddr, handle->langtag, 0, buf,
SLP_FUNCT_SRVTYPERQST, curpos - buf, ProcessSrvTypeRplyCallback,
handle);
if (serr)
NetworkDisconnectDA(handle);
} while (serr == SLP_NETWORK_ERROR);
xfree(buf);
return serr;
}
/*-------------------------------------------------------------------------*/
SLPError ProcessSrvReg(PSLPHandleInfo handle)
/*-------------------------------------------------------------------------*/
{
struct sockaddr_in peeraddr;
int sock = 0;
int bufsize = 0;
char* buf = 0;
char* curpos = 0;
SLPError result = 0;
/*-------------------------------------------------------------------*/
/* 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 */
/* TODO: Fix this for authentication */
buf = curpos = (char*)malloc(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 authcount */
*curpos = 0;
curpos = curpos + 1;
/* TODO: put in urlentry authentication stuff too */
/* 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;
/* attr auths*/
*(curpos) = 0;
/*---------------------------------------*/
/* Connect to slpd or a DA */
/*---------------------------------------*/
sock = NetworkConnectToSlpd(&peeraddr);
if(sock < 0)
{
sock = NetworkConnectToDA(handle->params.findsrvs.scopelist,
handle->params.findsrvs.scopelistlen,
&peeraddr);
{
result = SLP_NETWORK_INIT_FAILED;
goto FINISHED;
}
}
result = NetworkRqstRply(sock,
&peeraddr,
handle->langtag,
buf,
SLP_FUNCT_SRVREG,
bufsize,
CallbackSrvReg,
handle);
FINISHED:
if(buf) free(buf);
return result;
}
