// Return the dotted Internet address.
const char *
ACE_INET_Addr::get_host_addr (void) const
{
ACE_TRACE ("ACE_INET_Addr::get_host_addr");
#if defined (ACE_HAS_IPV6)
static char buf[INET6_ADDRSTRLEN];
return this->get_host_addr (buf, INET6_ADDRSTRLEN);
#else /* ACE_HAS_IPV6 */
# if defined (ACE_VXWORKS)
// It would be nice to be able to encapsulate this into
// ACE_OS::inet_ntoa(), but that would lead to either inefficiencies
// on vxworks or lack of thread safety.
//
// So, we use the way that vxworks suggests.
ACE_INET_Addr *ncthis = const_cast<ACE_INET_Addr *> (this);
inet_ntoa_b (this->inet_addr_.in4_.sin_addr, ncthis->buf_);
return &buf_[0];
# else /* ACE_VXWORKS */
return ACE_OS::inet_ntoa (this->inet_addr_.in4_.sin_addr);
# endif /* !ACE_VXWORKS */
#endif /* !ACE_HAS_IPV6 */
}
const char *
ACE_INET_Addr::get_host_addr (char *dst, int size) const
{
#if defined (ACE_HAS_IPV6)
if (this->get_type () == AF_INET6)
{
if (IN6_IS_ADDR_V4MAPPED (&this->inet_addr_.in6_.sin6_addr))
{
ACE_UINT32 addr;
addr = this->get_ip_address();
addr = ACE_HTONL (addr);
return ACE_OS::inet_ntop (AF_INET, &addr, dst, size);
}
# if defined (ACE_WIN32)
if (0 == ::getnameinfo (reinterpret_cast<const sockaddr*> (&this->inet_addr_.in6_),
this->get_size (),
dst,
size,
0, 0, // Don't want service name
NI_NUMERICHOST))
return dst;
ACE_OS::set_errno_to_wsa_last_error ();
return 0;
# else
const char *ch = ACE_OS::inet_ntop (AF_INET6,
&this->inet_addr_.in6_.sin6_addr,
dst,
size);
#if defined (__linux__)
if ((IN6_IS_ADDR_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr) ||
IN6_IS_ADDR_MC_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr)) &&
this->inet_addr_.in6_.sin6_scope_id != 0)
{
char scope_buf[32];
ACE_OS::sprintf (scope_buf, "%%%u", this->inet_addr_.in6_.sin6_scope_id);
if ((ACE_OS::strlen (ch)+ACE_OS::strlen (scope_buf)) < (size_t)size)
{
ACE_OS::strcat (dst, scope_buf);
}
}
#endif
return ch;
# endif /* ACE_WIN32 */
}
#endif /* ACE_HAS_IPV6 */
#if defined (VXWORKS)
ACE_UNUSED_ARG (dst);
ACE_UNUSED_ARG (size);
// It would be nice to be able to encapsulate this into
// ACE_OS::inet_ntoa(), but that would lead to either inefficiencies
// on vxworks or lack of thread safety.
//
// So, we use the way that vxworks suggests.
ACE_INET_Addr *ncthis = const_cast<ACE_INET_Addr *> (this);
inet_ntoa_b(this->inet_addr_.in4_.sin_addr, ncthis->buf_);
ACE_OS::strsncpy (dst, &buf_[0], size);
return &buf_[0];
#else /* VXWORKS */
char *ch = ACE_OS::inet_ntoa (this->inet_addr_.in4_.sin_addr);
ACE_OS::strsncpy (dst, ch, size);
return ch;
#endif
}
const char *
ACE_INET_Addr::get_host_addr (char *dst, int size) const
{
#if defined (ACE_HAS_IPV6)
if (this->get_type () == AF_INET6)
{
// [email protected] - Aug-26, 2005
// I don't think this should be done because it results in a decimal address
// representation which is not distinguishable from the IPv4 form which makes
// it impossible to resolve back to an IPv6 INET_Addr without prior knowledge
// that this was such an address to begin with.
//if (IN6_IS_ADDR_V4MAPPED (&this->inet_addr_.in6_.sin6_addr))
//{
// ACE_UINT32 addr;
// addr = this->get_ip_address();
// addr = ACE_HTONL (addr);
// return ACE_OS::inet_ntop (AF_INET, &addr, dst, size);
//}
# if defined (ACE_WIN32)
if (0 == ::getnameinfo (reinterpret_cast<const sockaddr*> (&this->inet_addr_.in6_),
this->get_size (),
dst,
size,
0, 0, // Don't want service name
NI_NUMERICHOST))
return dst;
ACE_OS::set_errno_to_wsa_last_error ();
return 0;
# else
const char *ch = ACE_OS::inet_ntop (AF_INET6,
&this->inet_addr_.in6_.sin6_addr,
dst,
size);
#if defined (__linux__)
if ((IN6_IS_ADDR_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr) ||
IN6_IS_ADDR_MC_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr)) &&
this->inet_addr_.in6_.sin6_scope_id != 0)
{
char scope_buf[32];
ACE_OS::sprintf (scope_buf, "%%%u", this->inet_addr_.in6_.sin6_scope_id);
if ((ACE_OS::strlen (ch)+ACE_OS::strlen (scope_buf)) < (size_t)size)
{
ACE_OS::strcat (dst, scope_buf);
}
}
#endif
return ch;
# endif /* ACE_WIN32 */
}
#endif /* ACE_HAS_IPV6 */
#if defined (ACE_VXWORKS)
ACE_UNUSED_ARG (dst);
ACE_UNUSED_ARG (size);
// It would be nice to be able to encapsulate this into
// ACE_OS::inet_ntoa(), but that would lead to either inefficiencies
// on vxworks or lack of thread safety.
//
// So, we use the way that vxworks suggests.
ACE_INET_Addr *ncthis = const_cast<ACE_INET_Addr *> (this);
inet_ntoa_b(this->inet_addr_.in4_.sin_addr, ncthis->buf_);
ACE_OS::strsncpy (dst, &buf_[0], size);
return &buf_[0];
#else /* ACE_VXWORKS */
char *ch = ACE_OS::inet_ntoa (this->inet_addr_.in4_.sin_addr);
ACE_OS::strsncpy (dst, ch, size);
return ch;
#endif
}
static unsigned long spawn_erlang_epmd(ei_cnode *ec,
char *alive,
Erl_IpAddr adr,
int flags,
char *erl_or_epmd,
char *args[],
int port,
int is_erlang)
{
#if defined(VXWORKS)
FUNCPTR erlfunc;
#else /* Windows */
STARTUPINFO sinfo;
SECURITY_ATTRIBUTES sa;
PROCESS_INFORMATION pinfo;
#endif
char *cmdbuf;
int cmdlen;
char *ptr;
int i;
int num_args;
char *name_format;
struct in_addr myaddr;
struct in_addr *hisaddr = (struct in_addr *)adr;
char iaddrbuf[IP_ADDR_CHARS + 1];
int ret;
if(is_erlang){
get_addr(ei_thishostname(ec), &myaddr);
#if defined(VXWORKS)
inet_ntoa_b(myaddr, iaddrbuf);
#else /* Windows */
if((ptr = inet_ntoa(myaddr)) == NULL)
return 0;
else
strcpy(iaddrbuf,ptr);
#endif
}
if ((flags & ERL_START_REMOTE) ||
(is_erlang && (hisaddr->s_addr != myaddr.s_addr))) {
return 0;
} else {
num_args = enquote_args(args, &args);
for(cmdlen = i = 0; args[i] != NULL; ++i)
cmdlen += strlen(args[i]) + 1;
#if !defined(VXWORKS)
/* On VxWorks, we dont actually run a command,
we call start_erl() */
if(!erl_or_epmd)
#endif
erl_or_epmd = (is_erlang) ? DEF_ERL_COMMAND :
DEF_EPMD_COMMAND;
if(is_erlang){
name_format = (flags & ERL_START_LONG) ? ERL_NAME_FMT :
ERL_SNAME_FMT;
cmdlen +=
strlen(erl_or_epmd) + (*erl_or_epmd != '\0') +
strlen(name_format) + 1 + strlen(alive) +
strlen(ERL_REPLY_FMT) + 1 + strlen(iaddrbuf) +
2 * FORMATTED_INT_LEN +
1;
ptr = cmdbuf = malloc(cmdlen);
if(*erl_or_epmd != '\0')
ptr += sprintf(ptr,"%s ",erl_or_epmd);
ptr += sprintf(ptr, name_format,
alive);
ptr += sprintf(ptr, " " ERL_REPLY_FMT,
iaddrbuf, port, unique_id());
} else { /* epmd */
cmdlen += strlen(erl_or_epmd) + (*erl_or_epmd != '\0') + 1;
ptr = cmdbuf = malloc(cmdlen);
if(*erl_or_epmd != '\0')
ptr += sprintf(ptr,"%s ",erl_or_epmd);
else
*(ptr++) = '\0';
}
for(i= 0; args[i] != NULL; ++i){
*(ptr++) = ' ';
strcpy(ptr,args[i]);
ptr += strlen(args[i]);
}
free_args(args);
if (flags & ERL_START_VERBOSE) {
fprintf(stderr,"erl_call: commands are %s\n",cmdbuf);
}
/* OK, one single command line... */
#if defined(VXWORKS)
erlfunc = lookup_function((is_erlang) ? ERLANG_SYM :
EPMD_SYM);
if(erlfunc == NULL){
if (flags & ERL_START_VERBOSE) {
fprintf(stderr,"erl_call: failed to find symbol %s\n",
(is_erlang) ? ERLANG_SYM : EPMD_SYM);
}
ret = 0;
} else {
/* Just call it, it spawns itself... */
ret = (unsigned long)
(*erlfunc)((int) cmdbuf,0,0,0,0,0,0,0,0,0);
if(ret == (unsigned long) ERROR)
ret = 0;
}
#else /* Windows */
/* Hmmm, hidden or unhidden window??? */
memset(&sinfo,0,sizeof(sinfo));
sinfo.cb = sizeof(STARTUPINFO);
sinfo.dwFlags = STARTF_USESHOWWINDOW /*|
STARTF_USESTDHANDLES*/;
sinfo.wShowWindow = SW_HIDE; /* Hidden! */
sinfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
sinfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
sinfo.hStdError = GetStdHandle(STD_ERROR_HANDLE);
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = /*TRUE*/ FALSE;
if(!CreateProcess(
NULL,
cmdbuf,
&sa,
NULL,
/*TRUE*/ FALSE,
0 | CREATE_NEW_CONSOLE,
NULL,
NULL,
&sinfo,
&pinfo))
ret = 0;
else
ret = (unsigned long) pinfo.hProcess;
#endif
free(cmdbuf);
return ret;
}
/* NOTREACHED */
}
LOCAL int _routeNodeDelete
(
struct rtentry * pRt, /* pointer to the rtentry structure */
int * pDeleted /* counts # of deleted routes */
)
{
FAST struct sockaddr * destAddr = NULL;
FAST struct sockaddr * gateAddr;
int proto;
long mask;
#ifdef DEBUG
char aStr [INET_ADDR_LEN];
char bStr [INET_ADDR_LEN];
char cStr [INET_ADDR_LEN];
#endif /* DEBUG */
destAddr = rt_key(pRt); /* get the destination address */
gateAddr = pRt->rt_gateway; /* get the gateway address */
#ifdef DEBUG
inet_ntoa_b (((struct sockaddr_in *)destAddr)->sin_addr, aStr);
logMsg ("_routeNodeDelete: Called for %s, if=%s%d, proto=%d, type = %s\n",
(int)aStr, (int)(pRt->rt_ifp->if_name), pRt->rt_ifp->if_unit,
RT_PROTO_GET (destAddr), (int)"NON_ARP", 0);
#endif /* DEBUG */
/*
* We delete only statically added routes, interface routes and ICMP
* routes. All other routes belong to the respective routing protocols
* that should be deleting them
*/
if ((proto = RT_PROTO_GET (destAddr)) != M2_ipRouteProto_other &&
proto != M2_ipRouteProto_local &&
proto != M2_ipRouteProto_icmp)
return (0);
/* If it is an interface route, get the interface address */
if (gateAddr->sa_family == AF_LINK)
gateAddr = pRt->rt_ifa->ifa_addr;
if (rt_mask (pRt) == NULL)
{
mask = 0;
}
else
{
mask = ((struct sockaddr_in *) rt_mask (pRt))->sin_addr.s_addr;
}
#ifdef DEBUG
inet_ntoa_b (((struct sockaddr_in *)destAddr)->sin_addr, aStr);
if (mask)
inet_ntoa_b (((struct sockaddr_in *) rt_mask (pRt))->sin_addr, bStr);
else
bStr[0] = 0;
inet_ntoa_b (((struct sockaddr_in *)gateAddr)->sin_addr, cStr);
logMsg ("_routeNodeDelete: Deleting following route: dest = %s, nmask = %s,"
"gate = %s\n", (int)aStr, (int)bStr, (int)cStr, 0, 0, 0);
#endif /* DEBUG */
/* Now delete the route */
mRouteEntryDelete (((struct sockaddr_in*)destAddr)->sin_addr.s_addr,
((struct sockaddr_in*)gateAddr)->sin_addr.s_addr,
mask, TOS_GET (destAddr), pRt->rt_flags, proto);
/* Increment the deletion counter */
++(*pDeleted);
return 0;
}
LOCAL int routeNodeDelete
(
struct radix_node * pRoute, /* pointer to the node structure */
void * pArg /* pointer to the interface */
)
{
struct ifnet * ifp = (struct ifnet *)((int *)pArg)[0];
int type = ((int *)pArg)[1];
int * pDeleted = (int *)((int *)pArg)[2];
struct rtentry * pRt;
FAST struct sockaddr * destAddr = NULL;
FAST struct sockaddr * gateAddr;
char aStr [INET_ADDR_LEN];
#ifdef ROUTER_STACK
ROUTE_ENTRY * pHead;
ROUTE_ENTRY * pDiffSave;
ROUTE_ENTRY * pSameSave;
ROUTE_ENTRY * pNext;
#endif /* ROUTER_STACK */
pRt = (struct rtentry *)pRoute;
destAddr = rt_key(pRt); /* get the destination address */
gateAddr = pRt->rt_gateway; /* get the gateway address */
#ifdef DEBUG
inet_ntoa_b (((struct sockaddr_in *)destAddr)->sin_addr, aStr);
logMsg ("routeNodeDelete: Called for %s, if=%s%d, proto=%d, type = %s\n",
(int)aStr, (int)(pRt->rt_ifp->if_name), pRt->rt_ifp->if_unit,
RT_PROTO_GET (destAddr),
(int)(type == RT_ARP ? "ARP" : "NON_ARP"), 0);
#endif /* DEBUG */
/* Just return if it is an ARP entry and we are not interested in it */
if (type != RT_ARP &&
((pRt->rt_flags & RTF_HOST) &&
(pRt->rt_flags & RTF_LLINFO) &&
(pRt->rt_flags & RTF_GATEWAY) == 0 &&
gateAddr && (gateAddr->sa_family == AF_LINK)))
return(0);
/* Just return if we want an ARP entry, but this is not */
if (type == RT_ARP &&
!((pRt->rt_flags & RTF_HOST) &&
(pRt->rt_flags & RTF_LLINFO) &&
(pRt->rt_flags & RTF_GATEWAY) == 0 &&
gateAddr && (gateAddr->sa_family == AF_LINK)))
return(0);
/*
* If it is an ARP entry and it passes through the interface,
* delete the ARP entry
*/
if ((pRt->rt_flags & RTF_HOST) &&
(pRt->rt_flags & RTF_LLINFO) &&
(pRt->rt_flags & RTF_GATEWAY) == 0 &&
gateAddr && (gateAddr->sa_family == AF_LINK))
{
if(pRt->rt_ifp == ifp)
{
inet_ntoa_b (((struct sockaddr_in *)destAddr)->sin_addr, aStr);
#ifdef DEBUG
logMsg ("routeNodeDelete: deleting ARP entry for %s\n",
(int)aStr,0,0,0,0,0);
#endif /* DEBUG */
_arpCmd (SIOCDARP, &((struct sockaddr_in *)destAddr)->sin_addr,
NULL, NULL);
/* Increment the deletion counter */
++(*pDeleted);
}
return (0);
}
#ifdef ROUTER_STACK
/*
* Because of the way the duplicate route list is managed, we need to
* delete all duplicate routes, before we delete the primary route.
* So walk through all the duplicate routes if any, and delete them
* if the interface matches.
*/
pHead = (ROUTE_ENTRY *)pRoute;
pNext = pHead->sameNode.pFrwd;
if (pNext == NULL)
{
pHead = pNext = pHead->diffNode.pFrwd;
}
while (pHead)
{
pDiffSave = pHead->diffNode.pFrwd;
while (pNext)
{
/* Save the next pointer in case we delete this node */
pSameSave = pNext->sameNode.pFrwd;
/* If this route passes through the interface, delete it */
if (pNext->rtEntry.rt_ifp == ifp)
_routeNodeDelete ((struct rtentry *)pNext, pDeleted);
pNext = pSameSave;
}
pHead = pNext = pDiffSave;
}
#endif /* ROUTER_STACK */
/* Now delete the primary route if it passes through the interface */
if (pRt->rt_ifp == ifp)
_routeNodeDelete (pRt, pDeleted);
return OK;
}
static int ei_epmd_r4_port (struct in_addr *addr, const char *alive,
int *dist, unsigned ms)
{
char buf[EPMDBUF];
char *s = buf;
int len = strlen(alive) + 1;
int fd;
int ntype;
int port;
int dist_high, dist_low, proto;
int res;
#if defined(VXWORKS)
char ntoabuf[32];
#endif
if (len > sizeof(buf) - 3)
{
erl_errno = ERANGE;
return -1;
}
put16be(s,len);
put8(s,EI_EPMD_PORT2_REQ);
strcpy(s,alive);
/* connect to epmd */
if ((fd = ei_epmd_connect_tmo(addr,ms)) < 0)
{
return -1;
}
if ((res = ei_write_fill_t(fd, buf, len+2, ms)) != len+2) {
closesocket(fd);
erl_errno = (res == -2) ? ETIMEDOUT : EIO;
return -1;
}
#ifdef VXWORKS
/* FIXME use union/macro for level. Correct level? */
if (ei_tracelevel > 2) {
inet_ntoa_b(*addr,ntoabuf);
EI_TRACE_CONN2("ei_epmd_r4_port",
"-> PORT2_REQ alive=%s ip=%s",alive,ntoabuf);
}
#else
EI_TRACE_CONN2("ei_epmd_r4_port",
"-> PORT2_REQ alive=%s ip=%s",alive,inet_ntoa(*addr));
#endif
/* read first two bytes (response type, response) */
if ((res = ei_read_fill_t(fd, buf, 2, ms)) != 2) {
EI_TRACE_ERR0("ei_epmd_r4_port","<- CLOSE");
erl_errno = (res == -2) ? ETIMEDOUT : EIO;
closesocket(fd);
return -2; /* version mismatch */
}
s = buf;
res = get8(s);
if (res != EI_EPMD_PORT2_RESP) { /* response type */
EI_TRACE_ERR1("ei_epmd_r4_port","<- unknown (%d)",res);
EI_TRACE_ERR0("ei_epmd_r4_port","-> CLOSE");
closesocket(fd);
erl_errno = EIO;
return -1;
}
/* got negative response */
if ((res = get8(s))) {
/* got negative response */
EI_TRACE_ERR1("ei_epmd_r4_port","<- PORT2_RESP result=%d (failure)",res);
closesocket(fd);
erl_errno = EIO;
return -1;
}
EI_TRACE_CONN1("ei_epmd_r4_port","<- PORT2_RESP result=%d (ok)",res);
/* expecting remaining 8 bytes */
if ((res = ei_read_fill_t(fd,buf,8,ms)) != 8) {
EI_TRACE_ERR0("ei_epmd_r4_port","<- CLOSE");
erl_errno = (res == -2) ? ETIMEDOUT : EIO;
closesocket(fd);
return -1;
}
closesocket(fd);
s = buf;
port = get16be(s);
ntype = get8(s);
proto = get8(s);
dist_high = get16be(s);
dist_low = get16be(s);
EI_TRACE_CONN5("ei_epmd_r4_port",
" port=%d ntype=%d proto=%d dist-high=%d dist-low=%d",
port,ntype,proto,dist_high,dist_low);
/* right network protocol? */
if (EI_MYPROTO != proto)
{
erl_errno = EIO;
return -1;
}
/* is there overlap in our distribution versions? */
if ((EI_DIST_HIGH < dist_low) || (EI_DIST_LOW > dist_high))
{
erl_errno = EIO;
return -1;
}
/* choose the highest common version */
/* i.e. min(his-max, my-max) */
*dist = (dist_high > EI_DIST_HIGH ? EI_DIST_HIGH : dist_high);
/* ignore the remaining fields */
return port;
}
LOCAL BOOL routeEntryPrint(struct rtentry *pRoute,
void *pRouteType,
BOOL ipRouteFlag)
{
struct sockaddr *dest, *gateway;
int type;
char str[INET_ADDR_LEN];
unsigned long mask;
/* Initialize locals */
dest = NULL;
type = *((int *) pRouteType);
/* If host routes and only network requested */
if ( (type == RT_SHOW_NET) && (pRoute->rt_flags & RTF_HOST) )
return FALSE;
/* Get values */
dest = rt_key(pRoute);
gateway = pRoute->rt_gateway;
/* If host but not arp requested */
if ( (type & RT_SHOW_HST) &&
(gateway->sa_family == AF_LINK) &&
(pRoute->rt_flags & RTF_HOST) )
return FALSE;
/* If only host requested */
if ( (type == RT_SHOW_HST) &&
((pRoute->rt_flags & RTF_HOST) == 0) )
return FALSE;
/* If arp requested and invalid link address */
if ( (type & RT_SHOW_ARP) &&
((gateway->sa_family != AF_LINK) ||
(((struct sockaddr_dl *) gateway)->sdl_alen == 0)) )
return FALSE;
/* If net requested and gateway address family is link */
if ( (type & RT_SHOW_NET) &&
(gateway->sa_family == AF_LINK) )
gateway = pRoute->rt_ifa->ifa_addr;
/* If ip route request */
if (ipRouteFlag) {
/* If internet address */
if (dest->sa_family == AF_INET) {
inet_ntoa_b(((struct sockaddr_in *) dest)->sin_addr, str);
printf("%-16s ", str);
} /* End if internet address */
/* Else non-internet address */
else {
printf("%-16s ", "not AF_INET");
} /* End else non-internet address */
} /* End if ip route request */
/* Else non-ip route request */
else {
printf(" ");
} /* End else non-ip route request */
/* If both net and host requested */
if ( (type & RT_SHOW_NET) &&
(type & RT_SHOW_HST) ) {
/* If ip route request */
if (ipRouteFlag) {
/* If null mask */
if ( rt_mask(pRoute) == NULL) {
mask = 0x0;
} /* End if null mask */
/* Else non-null mask */
else {
mask = ((struct sockaddr_in *) rt_mask(pRoute))->sin_addr.s_addr;
mask = ntohl(mask);
} /* End else non-null mask */
/* Print mask */
printf("%#-10lx ", mask);
} /* End if ip route request */
/* Else non-ip route request */
else {
printf(" ");
} /* End else non-ip route request */
} /* End if both net and host requested */
/* If link level gateway */
if (gateway->sa_family == AF_LINK) {
printf(" ");
} /* End if link level gateway */
/* Else non-link gateway */
else {
/* If internet address */
if (gateway->sa_family == AF_INET) {
inet_ntoa_b(((struct sockaddr_in *) gateway)->sin_addr, str);
printf("%-16s ", str);
} /* End if internet address */
/* Else non-internet address */
else {
printf("%-16s ", "not AF_INET");
} /* End else non-internet address */
} /* End else non-link gateway */
/* Print the rest */
printf("%#-6hx ", pRoute->rt_flags);
printf("%-5d ", pRoute->rt_refcnt);
printf("%-10ld ", pRoute->rt_use);
printf("%s%d\n", pRoute->rt_ifp->if_name, pRoute->rt_ifp->if_unit);
return TRUE;
}