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Cute though DNSAddresses are, they're a poor match for the model the

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rest of PuTTY has of DNS resolution, so I've replaced them with something
more conventional.  Sorry.

The new code has the advantage of working, of course.

[originally from svn r2551]
This commit is contained in:
Ben Harris 2003-01-12 13:06:59 +00:00
parent f3eff8b5de
commit eaff09160a
1 changed files with 49 additions and 17 deletions
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66
mac/otnet.c
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@ -39,19 +39,27 @@ struct Socket_tag {
typedef struct Socket_tag *Actual_Socket;
struct SockAddr_tag {
int resolved;
OSStatus error;
DNSAddress address;
InetHostInfo hostinfo;
char hostname[512];
};
/* Globals */
static struct {
Actual_Socket socklist;
InetSvcRef inetsvc;
} ot;
OSErr ot_init(void)
{
return InitOpenTransport();
OSStatus err;
err = InitOpenTransport();
if (err != kOTNoError) return err;
ot.inetsvc = OTOpenInternetServices(kDefaultInternetServicesPath, 0, &err);
return err;
}
void ot_cleanup(void)
@ -69,14 +77,17 @@ void ot_cleanup(void)
SockAddr ot_namelookup(char *host, char **canonicalname)
{
SockAddr ret = smalloc(sizeof(struct SockAddr_tag));
char *realhost;
ret->error = kOTNoError;
OTInitDNSAddress(&(ret->address), host);
/* for now we'll pretend canonicalname is always just host */
ret->error = OTInetStringToAddress(ot.inetsvc, host, &ret->hostinfo);
ret->resolved = TRUE;
*canonicalname = smalloc(1+strlen(host));
strcpy(*canonicalname, host);
if (ret->error == kOTNoError)
realhost = ret->hostinfo.name;
else
realhost = "";
*canonicalname = smalloc(1+strlen(realhost));
strcpy(*canonicalname, realhost);
return ret;
}
@ -84,14 +95,24 @@ SockAddr ot_nonamelookup(char *host)
{
SockAddr ret = smalloc(sizeof(struct SockAddr_tag));
OTInitDNSAddress(&(ret->address), host);
ret->resolved = FALSE;
ret->error = kOTNoError;
ret->hostname[0] = '\0';
strncat(ret->hostname, host, lenof(ret->hostname) - 1);
return ret;
}
void ot_getaddr(SockAddr addr, char *buf, int buflen)
{
strncpy(buf, (addr->address).fName, buflen);
char mybuf[16];
buf[0] = '\0';
if (addr->resolved) {
/* XXX only return first address */
OTInetHostToString(addr->hostinfo.addrs[0], mybuf);
strncat(buf, mybuf, buflen - 1);
} else
strncat(buf, addr->hostname, buflen - 1);
}
/* I think "local" here really means "loopback" */
@ -104,19 +125,28 @@ int ot_hostname_is_local(char *name)
int ot_address_is_local(SockAddr addr)
{
int i;
/* FIXME */
if (addr->resolved)
for (i = 0; i < kMaxHostAddrs; i++)
if (addr->hostinfo.addrs[i] & 0xff000000 == 0x7f000000)
return TRUE;
return FALSE;
}
int ot_addrtype(SockAddr addr)
{
return ADDRTYPE_IPV4;
if (addr->resolved)
return ADDRTYPE_IPV4;
return ADDRTYPE_NAME;
}
void ot_addrcopy(SockAddr addr, char *buf)
{
/* XXX only return first address */
memcpy(buf, &addr->hostinfo.addrs[0], 4);
}
void ot_addr_free(SockAddr addr)
@ -214,6 +244,7 @@ Socket ot_new(SockAddr addr, int port, int privport, int oobinline,
Actual_Socket ret;
EndpointRef ep;
OSStatus err;
InetAddress dest;
TCall connectCall;
ret = smalloc(sizeof(struct Socket_tag));
@ -262,11 +293,12 @@ Socket ot_new(SockAddr addr, int port, int privport, int oobinline,
* Connect to remote address.
*/
/* FIXME: bolt the port onto the end */
/* XXX Try non-primary addresses */
OTInitInetAddress(&dest, port, addr->hostinfo.addrs[0]);
memset(&connectCall, 0, sizeof(TCall));
connectCall.addr.buf = (UInt8 *) &(addr->address);
connectCall.addr.len = sizeof(DNSAddress);
connectCall.addr.buf = (UInt8 *) &dest;
connectCall.addr.len = sizeof(dest);
err = OTConnect(ep, &connectCall, nil);