diff options
Diffstat (limited to 'xorg-server/os/access.c')
| -rw-r--r-- | xorg-server/os/access.c | 284 |
1 files changed, 253 insertions, 31 deletions
diff --git a/xorg-server/os/access.c b/xorg-server/os/access.c index b034671f9..2b37afe65 100644 --- a/xorg-server/os/access.c +++ b/xorg-server/os/access.c @@ -242,6 +242,10 @@ static int AccessEnabled = DEFAULT_ACCESS_CONTROL; static int LocalHostEnabled = FALSE;
static int LocalHostRequested = FALSE;
static int UsingXdmcp = FALSE;
+static u_long *pInterfaces = NULL;
+static int ActiveInterfaces = 0;
+
+void match_interface(u_long u_lQuery);
/* FamilyServerInterpreted implementation */
static Bool siAddrMatch(int family, pointer addr, int len, HOST *host,
@@ -249,6 +253,84 @@ static Bool siAddrMatch(int family, pointer addr, int len, HOST *host, static int siCheckAddr(const char *addrString, int length);
static void siTypesInitialize(void);
+#if NTDDI_VERSION >= NTDDI_VISTA
+const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
+{
+ if (af == AF_INET)
+ {
+ struct sockaddr_in in;
+ memset(&in, 0, sizeof(in));
+ in.sin_family = AF_INET;
+ memcpy(&in.sin_addr, src, sizeof(struct in_addr));
+ if (getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST) != 0)
+ {
+ errno = WSAGetLastError();
+ return NULL;
+ }
+ else return dst;
+ }
+ else if (af == AF_INET6)
+ {
+ struct sockaddr_in6 in;
+ memset(&in, 0, sizeof(in));
+ in.sin6_family = AF_INET6;
+ memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
+ if (getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST) != 0)
+ {
+ errno = WSAGetLastError();
+ return NULL;
+ }
+ else return dst;
+ }
+ errno = WSAEAFNOSUPPORT;
+ return NULL;
+}
+
+int inet_pton(int af, const char *src, void *dst)
+{
+ struct sockaddr_storage ss;
+ int sslen = sizeof(ss);
+ if (af == AF_INET)
+ {
+ struct in_addr out;
+ char buffer[INET_ADDRSTRLEN + 1];
+ strncpy (buffer, src, INET_ADDRSTRLEN);
+ buffer [INET_ADDRSTRLEN] = '\0';
+ if (WSAStringToAddressA(buffer, AF_INET, NULL, (struct sockaddr*)&ss, &sslen) == SOCKET_ERROR)
+ {
+ errno = WSAGetLastError();
+ return 0;
+ }
+ else
+ {
+ out = ((struct sockaddr_in *)&ss)->sin_addr;
+ memcpy (dst, &out, sizeof(struct in_addr));
+ return 1;
+ }
+ }
+ else if (af == AF_INET6)
+ {
+ struct in6_addr out6;
+ char buffer6[INET6_ADDRSTRLEN + 1];
+ strncpy (buffer6, src, INET6_ADDRSTRLEN);
+ buffer6 [INET6_ADDRSTRLEN] = '\0';
+ if (WSAStringToAddressA(buffer6, AF_INET6, NULL, (struct sockaddr*)&ss, &sslen) == SOCKET_ERROR)
+ {
+ errno = WSAGetLastError();
+ return 0;
+ }
+ else
+ {
+ out6 = ((struct sockaddr_in6 *)&ss)->sin6_addr;
+ memcpy (dst, &out6, sizeof(struct in6_addr));
+ return 1;
+ }
+ }
+ errno = WSAEAFNOSUPPORT;
+ return -1;
+}
+#endif
+
/*
* called when authorization is not enabled to add the
* local host to the access list
@@ -328,7 +410,7 @@ ifioctl (int fd, int cmd, char *arg) #endif
/*
- * DefineSelf (fd):
+ * DefineSelf (fd, protocol):
*
* Define this host for access control. Find all the hosts the OS knows about
* for this fd and add them to the selfhosts list.
@@ -336,12 +418,11 @@ ifioctl (int fd, int cmd, char *arg) #if !defined(SIOCGIFCONF)
void
-DefineSelf (int fd)
+DefineSelf (int fd, const int protocol)
{
#if !defined(TCPCONN) && !defined(STREAMSCONN) && !defined(UNIXCONN)
return;
#else
- register int n;
int len;
caddr_t addr;
int family;
@@ -353,6 +434,10 @@ DefineSelf (int fd) struct {
char nodename[512];
} name;
+ HOST ha;
+ struct addrinfo *addresses;
+ struct addrinfo *a;
+ struct addrinfo hints;
#endif
register struct hostent *hp;
@@ -371,7 +456,6 @@ DefineSelf (int fd) #ifdef XTHREADS_NEEDS_BYNAMEPARAMS
_Xgethostbynameparams hparams;
#endif
-
/* Why not use gethostname()? Well, at least on my system, I've had to
* make an ugly kernel patch to get a name longer than 8 characters, and
* uname() lets me access to the whole string (it smashes release, you
@@ -383,27 +467,94 @@ DefineSelf (int fd) gethostname(name.nodename, sizeof(name.nodename));
#endif
+ /* Colin's experiments with using getaddrinfo() instead of the IPv6-useless gethostbyname() */
+ memset( &hints, 0, sizeof(hints) );
+ if (protocol == 4) hints.ai_family = AF_INET;
+ else if (protocol == 6) hints.ai_family = AF_INET6;
+
+ if (getaddrinfo(name.nodename, NULL, &hints, &addresses) != 0) goto CarryOnTheOldWay;
+
+ if (protocol == 6) ErrorF ("DefineSelf - %s has IPv%d addresses...\n",
+ name.nodename, protocol);
+
+ for (a = addresses; a != NULL; a = a->ai_next) {
+ char ad[INET6_ADDRSTRLEN];
+ ha.family = a->ai_family;
+ if (a->ai_family == AF_INET6) {
+ ha.addr = (unsigned char *)
+ &((struct sockaddr_in6 *) a->ai_addr)->sin6_addr;
+ ha.len =
+ sizeof (((struct sockaddr_in6 *) a->ai_addr)->sin6_addr);
+ } else {
+ ha.addr = (unsigned char *)
+ &((struct sockaddr_in *) a->ai_addr)->sin_addr;
+ ha.len =
+ sizeof (((struct sockaddr_in *) a->ai_addr)->sin_addr);
+ }
+ inet_ntop(ha.family, ha.addr, ad, sizeof(ad));
+
+ if (ha.family == AF_INET6) {
+ ErrorF(" %s", ad);
+ saddr.sa.sa_family = AF_INET6;
+ inet6addr = (struct sockaddr_in6 *) (&(saddr.sa));
+ acopy (ha.addr, &(inet6addr->sin6_addr), ha.len);
+ len = sizeof(saddr.in6);
+ family = ConvertAddr (&(saddr.sa), &len, (pointer *)&addr);
+ if ( family != -1 && family != FamilyLocal ) {
+ for (host = selfhosts;
+ host && !addrEqual (family, addr, len, host);
+ host = host->next) ;
+ if (!host) {
+ /* add this host to the host list. */
+ MakeHost(host,len)
+ if (host) {
+ host->family = family;
+ host->len = len;
+ acopy (addr, host->addr, len);
+ host->next = selfhosts;
+ selfhosts = host;
+ }
+ if (family == FamilyInternet6 &&
+ !(IN6_IS_ADDR_LOOPBACK((struct in6_addr *)addr))) {
+ XdmcpRegisterConnection (family, (char *)addr, len);
+ }
+ }
+ }
+ }
+ }
+ if (protocol == 6) ErrorF ("\n");
+ freeaddrinfo(addresses);
+ /* End of Colin's experiments */
+
+CarryOnTheOldWay:
+
hp = _XGethostbyname(name.nodename, hparams);
if (hp != NULL)
{
- #ifdef h_addr
- #define hp_addr *list
- char **list;
-
- /* iterate over the addresses */
- for (list = hp->h_addr_list; *list; list++)
- #else
- #define hp_addr hp->h_addr
- #endif
- {
- saddr.sa.sa_family = hp->h_addrtype;
- switch (hp->h_addrtype) {
- case AF_INET:
- inetaddr = (struct sockaddr_in *) (&(saddr.sa));
- acopy ( hp_addr, &(inetaddr->sin_addr), hp->h_length);
- len = sizeof(saddr.sa);
- break;
-#if defined(IPv6) && defined(AF_INET6)
+ int i = 0, j = 0;
+ IN_ADDR Inter;
+ saddr.sa.sa_family = hp->h_addrtype;
+ switch (hp->h_addrtype) {
+ case AF_INET:
+ if (protocol == 6) return; /* We should not be here: gethostbyname() is useless with inet6! */
+ inetaddr = (struct sockaddr_in *) (&(saddr.sa));
+ if (!pInterfaces) match_interface(0);
+ if (ActiveInterfaces && pInterfaces && *pInterfaces)
+ {
+ ErrorF ("DefineSelf - %s has %d usable IPv%d interface%s...\n address%s",
+ name.nodename, ActiveInterfaces, protocol,
+ ActiveInterfaces==1 ? "" : "s",
+ ActiveInterfaces==1 ? "" : "es");
+ for (i = 0; hp->h_addr_list[i]; i++)
+ {
+ Inter.S_un.S_addr = *(u_long *)hp->h_addr_list[i];
+ ErrorF(" %s", inet_ntoa(Inter));
+ if (*pInterfaces == *(u_long *)hp->h_addr_list[i]) j = i;
+ }
+ ErrorF ("\n");
+ }
+ break;
+#if 0 /* We never used to get here and AF_INET6 is now processed by getaddrinfo() */
case AF_INET6:
inet6addr = (struct sockaddr_in6 *) (&(saddr.sa));
acopy ( hp_addr, &(inet6addr->sin6_addr), hp->h_length);
@@ -412,7 +563,14 @@ DefineSelf (int fd) #endif
default:
goto DefineLocalHost;
- }
+ }
+
+ for (i = -1; i < 0 || hp->h_addr_list[i]; i++)
+ {
+ if (i < 0) acopy ( hp->h_addr_list[j], &(inetaddr->sin_addr), hp->h_length);
+ else if (i == j) continue;
+ else acopy ( hp->h_addr_list[i], &(inetaddr->sin_addr), hp->h_length);
+ len = sizeof(saddr.sa);
family = ConvertAddr ( &(saddr.sa), &len, (pointer *)&addr);
if ( family != -1 && family != FamilyLocal )
{
@@ -462,12 +620,13 @@ DefineSelf (int fd) #endif /* XDMCP */
}
}
- }
+ }
}
/*
* now add a host of family FamilyLocalHost...
*/
DefineLocalHost:
+ free(pInterfaces);
for (host = selfhosts;
host && !addrEqual(FamilyLocalHost, "", 0, host);
host = host->next);
@@ -904,18 +1063,19 @@ ResetHosts (char *display) FreeHost (host);
}
-#if defined WIN32 && defined __MINGW32__
-#define ETC_HOST_PREFIX "X"
-#else
#define ETC_HOST_PREFIX "/etc/X"
-#endif
#define ETC_HOST_SUFFIX ".hosts"
fnamelen = strlen(ETC_HOST_PREFIX) + strlen(ETC_HOST_SUFFIX) +
strlen(display) + 1;
if (fnamelen > sizeof(fname))
FatalError("Display name `%s' is too long\n", display);
+#ifdef __MINGW32__
+ snprintf(fname, sizeof(fname), "%s%s" ETC_HOST_SUFFIX, getenv("XHOSTPREFIX"),
+ display);
+#else
snprintf(fname, sizeof(fname), ETC_HOST_PREFIX "%s" ETC_HOST_SUFFIX,
display);
+#endif
if ((fd = fopen (fname, "r")) != 0)
{
@@ -989,9 +1149,13 @@ ResetHosts (char *display) {
struct addrinfo *addresses;
struct addrinfo *a;
+ struct addrinfo hints;
int f;
- if (getaddrinfo(hostname, NULL, NULL, &addresses) == 0) {
+ memset( &hints, 0, sizeof(hints) );
+ if (family == FamilyInternet) hints.ai_family = AF_INET;
+ else if (family == FamilyInternet6) hints.ai_family = AF_INET6;
+ if (getaddrinfo(hostname, NULL, &hints, &addresses) == 0) {
for (a = addresses ; a != NULL ; a = a->ai_next) {
len = a->ai_addrlen;
f = ConvertAddr(a->ai_addr,&len,(pointer *)&addr);
@@ -1318,6 +1482,8 @@ NewHost (int family, {
register HOST *host;
+ if (family == FamilyLocal) return TRUE; /* No FamilyLocal in Vcxsrv */
+
for (host = validhosts; host; host = host->next)
{
if (addrEqual (family, addr, len, host))
@@ -1780,6 +1946,7 @@ siHostnameAddrMatch(int family, pointer addr, int len, char hostname[SI_HOSTNAME_MAXLEN];
struct addrinfo *addresses;
struct addrinfo *a;
+ struct addrinfo hints;
int f, hostaddrlen;
pointer hostaddr;
@@ -1789,7 +1956,10 @@ siHostnameAddrMatch(int family, pointer addr, int len, strncpy(hostname, siAddr, siAddrLen);
hostname[siAddrLen] = '\0';
- if (getaddrinfo(hostname, NULL, NULL, &addresses) == 0) {
+ memset( &hints, 0, sizeof(hints) );
+ if (family == FamilyInternet) hints.ai_family = AF_INET;
+ else if (family == FamilyInternet6) hints.ai_family = AF_INET6;
+ if (getaddrinfo(hostname, NULL, &hints, &addresses) == 0) {
for (a = addresses ; a != NULL ; a = a->ai_next) {
hostaddrlen = a->ai_addrlen;
f = ConvertAddr(a->ai_addr,&hostaddrlen,&hostaddr);
@@ -1822,7 +1992,7 @@ siHostnameAddrMatch(int family, pointer addr, int len, if ((hp = _XGethostbyname(hostname, hparams)) != NULL) {
#ifdef h_addr /* new 4.3bsd version of gethostent */
/* iterate over the addresses */
- for (addrlist = hp->h_addr_list; *addrlist; addrlist++)
+ for (addrlist = (const char **)hp->h_addr_list; *addrlist; addrlist++)
#else
addrlist = &hp->h_addr;
#endif
@@ -2104,3 +2274,55 @@ siTypesInitialize(void) &siLocalGroupPriv);
#endif
}
+
+void match_interface(u_long u_lQuery)
+{
+ WSADATA w;
+ SOCKET sd;
+ INTERFACE_INFO InterfaceList[25];
+ PSOCKADDR_IN pAddress, pNetmask;
+ u_long nBytesReturned, tempAddress;
+ u_long u_lAddress, u_lNetmask, u_lFlags;
+ int nNumInterfaces, i, j = 0;
+
+ if (WSAStartup(MAKEWORD(2,2), &w) != 0)
+ return;
+
+ sd = WSASocket(AF_INET, SOCK_DGRAM, 0, 0, 0, 0);
+ if (sd == INVALID_SOCKET)
+ {
+ WSACleanup();
+ return;
+ }
+
+ if (WSAIoctl(sd, SIO_GET_INTERFACE_LIST, 0, 0, &InterfaceList, sizeof(InterfaceList), &nBytesReturned, 0, 0) == SOCKET_ERROR)
+ {
+ closesocket(sd);
+ WSACleanup();
+ return;
+ }
+
+ nNumInterfaces = (int)(nBytesReturned/sizeof(INTERFACE_INFO));
+ pInterfaces = malloc(25*sizeof(u_long));
+ for (i = 0; i < nNumInterfaces; ++i)
+ {
+ pAddress = &InterfaceList[i].iiAddress.AddressIn;
+ u_lAddress = pAddress->sin_addr.S_un.S_addr;
+
+ pNetmask = &InterfaceList[i].iiNetmask.AddressIn;
+ u_lNetmask = pNetmask->sin_addr.S_un.S_addr;
+
+ u_lFlags = InterfaceList[i].iiFlags;
+ if ((u_lFlags & IFF_UP) && !(u_lFlags & IFF_LOOPBACK))
+ {
+ if ((u_lAddress & u_lNetmask) == (u_lQuery & u_lNetmask)) j = i;
+ *(pInterfaces + ActiveInterfaces) = u_lAddress;
+ ActiveInterfaces++;
+ }
+ }
+ tempAddress = *pInterfaces;
+ *pInterfaces = *(pInterfaces + j);
+ *(pInterfaces + j) = tempAddress;
+ closesocket(sd);
+ WSACleanup();
+}
|