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* The auto-config looper now correctly sets the IFF_CONFIGURING flag - it

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cannot be set in the AF_LINK level.
* It now also checks for this flag, so that the fallback configuration won't
  overwrite a manually configured interface anymore.
* When an interface is configured, the IFF_CONFIGURING flag is now cleared as
  it should.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29230 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2009-02-16 11:03:13 +00:00
parent 4712bc807c
commit 1a905a762a
3 changed files with 20 additions and 10 deletions
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21
src/servers/net/AutoconfigLooper.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright 2006-2008, Haiku, Inc. All Rights Reserved.
* Copyright 2006-2009, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
@ -63,17 +63,15 @@ AutoconfigLooper::_Configure()
// set IFF_CONFIGURING flag on interface
int socket = ::socket(AF_LINK, SOCK_DGRAM, 0);
int socket = ::socket(AF_INET, SOCK_DGRAM, 0);
if (socket < 0)
return;
if (ioctl(socket, SIOCGIFFLAGS, &request, sizeof(struct ifreq)) == 0) {
request.ifr_flags |= IFF_CONFIGURING;
ioctl(socket, SIOCSIFFLAGS, &request, sizeof(struct ifreq));
ioctl(socket, SIOCSIFFLAGS, &request, sizeof(struct ifreq)));
}
close(socket);
// remove current handler
_RemoveClient();
@ -83,8 +81,10 @@ AutoconfigLooper::_Configure()
fCurrentClient = new DHCPClient(fTarget, fDevice.String());
AddHandler(fCurrentClient);
if (fCurrentClient->Initialize() == B_OK)
if (fCurrentClient->Initialize() == B_OK) {
close(socket);
return;
}
_RemoveClient();
@ -94,6 +94,15 @@ AutoconfigLooper::_Configure()
// TODO: have a look at zeroconf
// TODO: this could also be done add-on based
if (ioctl(socket, SIOCGIFFLAGS, &request, sizeof(struct ifreq)) == 0
&& (request.ifr_flags & IFF_CONFIGURING) == 0) {
// Someone else configured the interface in the mean time
close(socket);
return;
}
close(socket);
BMessage interface(kMsgConfigureInterface);
interface.AddString("device", fDevice.String());
interface.AddBool("auto", true);

5
src/servers/net/DHCPClient.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright 2006-2008, Haiku, Inc. All Rights Reserved.
* Copyright 2006-2009, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
@ -788,7 +788,8 @@ DHCPClient::_ToString(in_addr_t address) const
status_t
DHCPClient::_SendMessage(int socket, dhcp_message& message, sockaddr_in& address) const
DHCPClient::_SendMessage(int socket, dhcp_message& message,
sockaddr_in& address) const
{
ssize_t bytesSent = sendto(socket, &message, message.Size(),
address.sin_addr.s_addr == INADDR_BROADCAST ? MSG_BCAST : 0,

4
src/servers/net/NetServer.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright 2006-2008, Haiku, Inc. All Rights Reserved.
* Copyright 2006-2009, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
@ -660,7 +660,7 @@ NetServer::_ConfigureInterface(int socket, BMessage& interface,
// set flags
if (flags != 0) {
request.ifr_flags = currentFlags | flags;
request.ifr_flags = (currentFlags & ~IFF_CONFIGURING) | flags;
if (ioctl(familySocket, SIOCSIFFLAGS, &request, sizeof(struct ifreq)) < 0)
fprintf(stderr, "%s: Setting flags failed: %s\n", Name(), strerror(errno));
}