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* When acquiring a lease, record the value of the BOOTP siaddr fieldbms2013-07-021-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | contained in the DHCP offer, and write it out to the lease file as an unquoted value of the "next-server" keyword. The value is ignored when the lease is read back by dhclient, however other applications are free to parse it. The intent behind this change is to allow easier interoperability with automated installation systems e.g. Cobbler, Foreman, Razor; FreeBSD installation kernels can automatically probe the network to discover deployment servers. There are no plans to MFC this change unless a backport is specifically requested. The syntax of the "next-server <ip>" lease keyword is intended to be identical to that used by the ISC DHCPD server in its configuration files. The required defines are already present in dhclient but were unused before this change. (Note: This is NOT the same as Option 66, tftp-server-name). It has been exercised in a university protocol testbed environment, with Cobbler and an mfsBSD image containing pc-sysinstall (driven by Cobbler Cheetah templates). The SYSLINUX memdisk driver is used to boot mfsBSD. Currently this approach requires that a dedicated system profile has been created for the node where FreeBSD is to be deployed. If this is not present, the pc-sysinstall wrapper will be unable to obtain a node configuration. There is code in progress to allow mfsBSD images to obtain the required hints from the memdisk environment by parsing the MBFT ACPI chunk. This is non-standard as it is not linked into the platform's ACPI RSDT. Reviewed by: des
* In sbin/dhclient, since we know the size of the source strings anyway,dim2011-12-171-1/+1
| | | | | | we might as well use memcpy; strlcpy is really unnecessary here. MFC after: 1 week
* In sbin/dhclient, work around warnings about the size argument todim2011-12-171-2/+4
| | | | | | | strlcpy appearing to be the size of the source buffer, instead of the destination. MFC after: 1 week
* Support domain-search in dhclient(8)dumbbell2011-12-041-0/+2
| | | | | | | | | | | | | | | | | | | | | The "domain-search" option (option 119) allows a DHCP server to publish a list of implicit domain suffixes used during name lookup. This option is described in RFC 3397. For instance, if the domain-search option says: ".example.org .example.com" and one wants to resolve "foobar", the resolver will try: 1. "foobar.example.org" 2. "foobar.example.com" The file /etc/resolv.conf is updated with a "search" directive if the DHCP server provides "domain-search". A regression test suite is included in this patch under tools/regression/sbin/dhclient. PR: bin/151940 Sponsored by Yakaz (http://www.yakaz.com)
* Implement RFC3442, the Classless Static Route option.emaste2007-02-091-0/+2
| | | | | | | | | | | The original DHCP specification includes a route option but it supports only class-based routes. RFC3442 adds support for specifying the netmask width for each static route. A variable length encoding is used to minimize the size of this option. PR: bin/99534 Submitted by: Andrey V. Elsukov <bu7cher@yandex.ru> Reviewed by: brooks
* Add __FBSDID to all .c files in dhclient to aid in determining filebrooks2005-08-231-0/+3
| | | | versions when dealing with user problems.
* Import the OpenBSD dhclient as shipped with OpenBSD-3.7 (the tagbrooks2005-06-071-0/+938
OPENBSD_3_7).
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