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Re: Cannot negotiate authentication mechanism

From: François Lemaire <flemaire_at_activsoft.fr>
Date: Wed, 20 Aug 2008 17:38:10 +0200

Hello again Alec,

I have changed min-encryption and max-encryption, it doesn't seem to change
anything. I don't get anything in my ticket cache, but if I try using kinit
and kgetcred, it works. I have used strace to trace what happens with
svnserve, and I see this:

open("/usr/lib/sasl2/svn.conf", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0777, st_size=42, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f23e6816000
read(3, "mech_list: GSSAPI\nkeytab: /etc/sv"..., 4096) = 42
read(3, ""..., 4096) = 0
close(3) = 0
munmap(0x7f23e6816000, 4096) = 0
getuid() = 0
geteuid() = 0
getgid() = 0
getegid() = 0
open("/usr/lib/sasl2", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3

and then later:

access("/etc/svn.keytab", R_OK) = 0
open("/etc/gss/mech", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=69, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fbf3c602000
read(4, "krb5_mech 1.2.840.113554.1."..., 1024) = 69
read(4, ""..., 1024) = 0
close(4) = 0
munmap(0x7fbf3c602000, 4096) = 0
getuid() = 0
geteuid() = 0
getgid() = 0
getegid() = 0
open("/etc/krb5.conf", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=1058, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fbf3c602000
read(4, "[libdefaults]\n\tdefault_realm = AC"..., 1024) = 1024
read(4, " = true\n\tkrb4_get_tickets = false"..., 1024) = 34

Anymore ideas?

Thanks,

François Lemaire

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Received on 2008-08-20 18:07:37 CEST

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