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2003-06-18 Pierre Humblet <pierre.humblet@ieee.org>

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* autoload.cc (GetNetworkParams): Add.
        * net.cc (getdomainname): Call GetNetworkParams and read the
        DhcpDomain registry value if warranted.
This commit is contained in:
Pierre Humblet
2003-06-19 00:57:26 +00:00
parent 2302957c53
commit c9a5cfa0d3
3 changed files with 32 additions and 6 deletions
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31
winsup/cygwin/net.cc
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@@ -1291,20 +1291,39 @@ getdomainname (char *domain, size_t len)
if (__check_null_invalid_struct_errno (domain, len))
return -1;
PFIXED_INFO info = NULL;
ULONG size = 0;
if (GetNetworkParams(info, &size) == ERROR_BUFFER_OVERFLOW
&& (info = (PFIXED_INFO) alloca(size))
&& GetNetworkParams(info, &size) == ERROR_SUCCESS)
{
strncpy(domain, info->DomainName, len);
return 0;
}
/* This is only used by Win95 and NT <= 4.0.
The registry names are language independent.
FIXME: Handle DHCP on Win95. The DhcpDomain(s) may be available
in ..VxD\DHCP\DhcpInfoXX\OptionInfo, RFC 1533 format */
reg_key r (HKEY_LOCAL_MACHINE, KEY_READ,
(!wincap.is_winnt ()) ? "System" : "SYSTEM",
"CurrentControlSet", "Services",
(!wincap.is_winnt ()) ? "VxD" : "Tcpip",
(!wincap.is_winnt ()) ? "MSTCP" : "Parameters", NULL);
/* FIXME: Are registry keys case sensitive? */
if (r.error () || r.get_string ("Domain", domain, len, "") != ERROR_SUCCESS)
if (!r.error ())
{
__seterrno ();
return -1;
int res1, res2 = 0; /* Suppress compiler warning */
res1 = r.get_string ("Domain", domain, len, "");
if (res1 != ERROR_SUCCESS || !domain[0])
res2 = r.get_string ("DhcpDomain", domain, len, "");
if (res1 == ERROR_SUCCESS || res2 == ERROR_SUCCESS)
return 0;
}
return 0;
__seterrno ();
return -1;
}
/* Fill out an ifconf struct. */