May 2009 - Freeradius-Devel - lists.freeradius.org

Missing TLS Change Cipher Spec and TLS Finished in EAP-TLS exchanges
by arno＠natisbad.org 09 Jul '11

09 Jul '11

Hi, I upgraded an internal freeradius server (Linux, Debian unstable, libssl 0.9.8) used for EAP-TLS (802.11 WPA2 access) from 2.0.5 to 2.1.3. With 2.1.3, client authentication fails in the following way (wpasupplicant on Debian unstable, working with 2.0.5): - the TLS exchange is completed from freeradius point of view. It even sends the Access-Accept message to the NAS. - from the clients point of view, the TLS exchange is not over, it expects some more data from the server which are never sent. I took two pcap traces (sent to you privately, Alan), one with 2.0.5, one with 2.1.3. It looks like the TLS Change Cipher and TLS Tinished elements of the TLS exchange are not in the EAP encapsulated TLS packets sent by the server. Compare packet #23 of 2.1.3 trace with packet #27 of 2.0.5 trace. If you use wireshark, you will notice that the SSL layer is dissected; this is because #27 has a small brother: #29. It is not sent by 2.1.3. Alan, if you have an idea or a patch, I can test it on monday. Cheers, a+

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eap2 in freeradius
by Chanthearith HUON 04 Apr '11

04 Apr '11

Hi everyone, I am testing eap2 in freeradius. I run "radiusd -X", I got following error message " radiusd: symbol lookup error: /usr/lib/rlm_eap2-2.1.0.so: undefined symbol: eap_server_register_methods " Anyone, have any idea what might be wrong with the configuration? Thank in advance, Thierry

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make_passwd(), rlm_perl and double quotes in the password
by Niko Tyni 28 Jan '10

28 Jan '10

Hi, we're seeing failed logins when proxying authentication requests through to another RADIUS server if the password contains a double quote ("). I've debugged the issue a bit, and what happens is that when the password does a roundtrip through the rlm_perl module, the value pair structure ends up with extra bytes at the end so that strlen(vp->data.strvalue) > vp->length. These extra bytes are the result of escaping the double quote before entering the Perl code and then unescaping it afterwards. For instance, the password abcdef" is passed as abcdef\" to the Perl code, and afterwards it becomes abcdef"" with length 7 (so the extra byte is not supposed to hurt AIUI.) Unfortunately make_passwd() rounds 'inlen' up to a multiple of 16 before copying the input string, so the extra bytes end up in the message authenticator of the proxied request. It seems to me that the escaping and unescaping done in rlm_perl via perl_store_vps() -> vp_prints_value() -> librad_safeprint() and get_hv_content() -> pairadd_sv() -> pairmake() -> pairparsevalue() is a bit unnecessary, and that the unescaping could zero out the extra bytes, but the main bug is in make_passwd() IMO. I have reproduced this with a Debian 2.0.4 freeradius package, a Fedora 2.1.3 package, and a current git.freeradius.org checkout (commit ef2a7db5e). I'm attaching a proposed patch to make_passwd(). Please let me know if you need more information, I can easily produce stack traces and the like. Thanks for your work on FreeRADIUS, -- Niko Tyni ntyni(a)cc.helsinki.fi

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Re: vmps request: long attribute VQP-Ethernet-Frame
by Hermann Lauer 05 Jan '10

05 Jan '10

Alan DeKok wrote: > > 0x0c05 is VQP-Ethernet-Frame, which can of course be longer than 253 bytes, > > so there is a design issue here. One idea would be to cut the attribute to > > 253 bytes in vqp_recv(). Could this be done there without memory issues ? > > Yes, if you're not interested in the rest of the data. appended is a patch which implemeted the cutting. Seems to work. Please tell me if anybody sees any pitfall in it. Otherwise it should be cleaned up, which I probably will do in a week or so. Thanks, Hermann -- Netzwerkadministration/Zentrale Dienste, Interdiziplinaeres Zentrum fuer wissenschaftliches Rechnen der Universitaet Heidelberg IWR; INF 368; 69120 Heidelberg; Tel: (06221)54-8236 Fax: -5224 Email: Hermann.Lauer(a)iwr.uni-heidelberg.de

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FreeRadius + EAP-AKA support
by Kumar, Sunil 26 Nov '09

26 Nov '09

Hi, We are trying to use FreeRadius1.1.4 as authentication server for EAP-AKA implementation with our product toolkit. As per the RFC 4187 AT_RES The value field of this attribute begins with the 2-byte RES Length, which identifies the exact length of the RES in bits. The RES length is followed by the AKA RES parameter. According to [TS33.105], the length of the AKA RES can vary between 32 and 128 bits. Because the length of the AT_RES attribute must be a multiple of 4 bytes, the sender pads the RES with zero bits where necessary. In the freeradius1.1.4 implementation, for EAP-AKA the value of RES length is always considered as constant EAPSIM_RES_SIZE (16). It doesn't take care of the values other than 16 bytes. We in our toolkit needs to support all the variable length of RES values from 32 bits (4 bytes) to 128 bits (16 bytes). So I have modified the FreeRadius implementation for the same support. The intention of writing such mail is to get the information that if somebody has already noticed and fixed this issue in the latest releases, so please share that information as well. In case it's not been fixed as yet, then may be I could contribute my patch for freeradius 1.1.4 version to support all variable length RES value varying from 32 bits to 128 bits. Thanks. Warm regards. Sunil Kumar The information contained in this electronic mail transmission may be privileged and confidential, and therefore, protected from disclosure. If you have received this communication in error, please notify us immediately by replying to this message and deleting it from your computer without copying or disclosing it.

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GIT Log for 2009-05-30 23:33 GMT
by aland＠deployingradius.com 30 May '09

30 May '09

commit 0afecf2d9627bae41393d398ee04f4dd2e6b11b7 Author: Alan T. DeKok <aland(a)freeradius.org> Date: Sat May 30 09:40:05 2009 +0200 Suppress more ping check none If the home server is zombie, and status_check=none, don't ping it src/main/event.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)

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usage of command "radclient"
by yiyongyun 29 May '09

29 May '09

Hi all: I want to use command of "radclient" to send some packets and I saw the help of "radclient", but I can not understand the following sentence. -f file File to read the attribute/value pairs from. If this is not specified, they are read from stdin. This option can be specified multiple times, in which case packets are sent in order by file, and within each file, by first packet to last packet. A blank line separates logical packets within a file. Now I'm using "radclient -f /root/radPtDt/Packet_AUTH.txt -r 1 *.*.*.*:1812 auth *****" to send packet, the content of Packet_AUTH.txt is show as below: NAS-Identifier = "*****" User-Password = "*****" NAS-IP-Address = *.*.*.* Framed-IP-Address = *.*.*.* NAS-Port-Id = "*****" NAS-Port-Type = ***** User-Name = "*****" NAS-Port = 0 And now I want to send two Access-Request packets, then I edited the Packet_AUTH.txt as below: NAS-Identifier = "*****" User-Password = "123456" NAS-IP-Address = *.*.*.* Framed-IP-Address = *.*.*.* NAS-Port-Id = "*****" NAS-Port-Type = ***** User-Name = "111111" NAS-Port = 0 NAS-Identifier = "*****" User-Password = "123456" NAS-IP-Address = *.*.*.* Framed-IP-Address = *.*.*.* NAS-Port-Id = "*****" NAS-Port-Type = ***** User-Name = "222222" NAS-Port = 0 Then I used then "radclient -f /root/radPtDt/Packet_AUTH.txt -r 1 *.*.*.*:1812 auth *****" to send packets, but error "radclient: XNo token read where we expected an attribute name" has happened. So, at present, I can only execute the radclient twice to send to packets. And I want to know how to execute the radclient once to send more packets? best regards yiyongyun

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configure with eap-tls without openssl
by new conf 28 May '09

28 May '09

dear all, please can someone tell me if it is possible te compile freeradius with eap tls without openssl because I'll use other certificates (.pem) to load?! and other process using an opnessl in another place?! I you have suggestions, thank you to help me.. On Thu, May 14, 2009 at 1:33 AM, aland <aland(a)deployingradius.com> wrote: > commit c8f57f3d5d688b9c3ac0b04c68a2fe00c677de87 > Author: Alan T. DeKok <aland(a)freeradius.org> > Date: Wed May 13 08:52:09 2009 +0200 > > More typos > > Files changed: > scripts/radwatch.in | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > ====================================================================== > commit 5138e7691c78ae2f674a82a5e077666c4109b0fd > Author: Alan T. DeKok <aland(a)freeradius.org> > Date: Wed May 13 08:51:53 2009 +0200 > > Corrected typo in last commit > > Files changed: > share/dictionary.cisco | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > ====================================================================== > - > List info/subscribe/unsubscribe? See > http://www.freeradius.org/list/devel.html >

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GIT Log for 2009-05-27 23:33 GMT
by aland＠deployingradius.com 27 May '09

27 May '09

commit ce74f6ea63217b8bd73404ed871bd00ddd7dd1be Author: Alan T. DeKok <aland(a)freeradius.org> Date: Wed May 27 14:02:54 2009 +0200 Fixe typo Files changed: src/lib/radius.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) ====================================================================== commit 65ecf28b3dfda782cc16f29b1c96577e161f1739 Author: Alan T. DeKok <aland(a)freeradius.org> Date: Wed May 27 12:06:47 2009 +0200 Read all of the packet using MSG_PEEK for dynamic clients Files changed: src/lib/radius.c | 8 +++++++- src/main/listen.c | 23 +++-------------------- 2 files changed, 10 insertions(+), 21 deletions(-) ======================================================================

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compile error with Ruby
by A.L.M.Buxey＠lboro.ac.uk 27 May '09

27 May '09

hi, just a quick heads up. noted the following issue with freeradius 2.1.6 when compiling. no Ruby installed - configure script WARNs and doesnt try including Ruby support only Ruby tools installed - configure thinks all is okay - make then fails because ruby.h is not present Ruby development package installed - configure says all is okay and make works (ie ruby-devel must be installed (as expected!) but if the system has only the Ruby binary installed then configure stage thinks its okay to build in Ruby support. not a show stopper because development has to be flagged on the congigure line (?) but a little quirky - i cant recall any other modules that think its all okay if just the runtime binary is present (eg openssl) alan

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