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Description of problem: I have i problem with MD5 hashes on my RHEL 6.4 server. Some of hashes, which i have created cannot match. Version-Release number of selected component (if applicable): # cat /etc/redhat-release Red Hat Enterprise Linux Workstation release 6.4 (Santiago) # uname -a Linux nms-axn 2.6.32-358.6.2.el6.x86_64 #1 SMP Tue May 14 15:48:21 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux # rpm -qa | grep freeradius freeradius-utils-2.1.12-4.el6_3.x86_64 freeradius-2.1.12-4.el6_3.x86_64 # How reproducible: create couple md5hash for some test account and try it with radtest utility Steps to Reproduce: 1. create md5 hash: # echo "XZ4uaMt6" | md5sum | cut -f1 -d' ' 3e9a59f0546a3c378beb0998f5873251 # 2. create user in the configuration file: testuser MD5-Password := "3e9a59f0546a3c378beb0998f5873251" Service-Type = "Authenticate-Only", Login-LAT-Group = "config" 3. restart radius server: # service radiusd restart Stopping radiusd: [ OK ] Starting radiusd: [ OK ] # 4. try our password # radtest -t pap -x testuser XZ4uaMt6 10.0.9.30:1812 0 7RljN1k4 Sending Access-Request of id 87 to 10.0.9.30 port 1812 User-Name = "testuser" User-Password = "XZ4uaMt6" NAS-IP-Address = 10.0.9.30 NAS-Port = 0 Message-Authenticator = 0x00000000000000000000000000000000 rad_recv: Access-Reject packet from host 10.0.9.30 port 1812, id=87, length=20 # 5. change our password: # echo "test1234" | md5sum | cut -f1 -d' ' eddc02b200ae8a15a7e6b44ac05bf5f1 # 6. redefine password for our "testuser" account testuser MD5-Password := "eddc02b200ae8a15a7e6b44ac05bf5f1" Service-Type = "Authenticate-Only", Login-LAT-Group = "config" 7. restart radius service: # service radiusd restart Stopping radiusd: [ OK ] Starting radiusd: [ OK ] # 8. let's try to do another attempt: # radtest -t pap -x testuser test1234 10.0.9.30:1812 0 7RljN1k4 Sending Access-Request of id 251 to 10.0.9.30 port 1812 User-Name = "testuser" User-Password = "test1234" NAS-IP-Address = 10.0.9.30 NAS-Port = 0 Message-Authenticator = 0x00000000000000000000000000000000 rad_recv: Access-Accept packet from host 10.0.9.30 port 1812, id=251, length=34 Service-Type = Authenticate-Only Login-LAT-Group = 0x636f6e666967 # Actual results: Sometimes hashes don't match. Expected results: Hashes must has always match. Additional info:
This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unable to address this request at this time. Red Hat invites you to ask your support representative to propose this request, if appropriate, in the next release of Red Hat Enterprise Linux.
Does not seem to be an actual bug. It more like a wrong expectation of how things work.
It is not a wrong expectations. In case mentioned before echo command should be called with -n option.