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Thread: illegal variable name error upon login




illegal variable name error upon login
user name
2007-07-14 15:51:42
Hello list,

I'm getting this error, but I don't know what causes it.
If I login (csh), the message "Illegal variable
name" is printed.
Screenshot: ht
tp://aydogan.org/login/illegal_variable_name.png

I trussed it. The end looks like this:

 435      1 csh      ioctl(0x3, FIOCLEX, 0)      = 0
   435      1 csh      __fstat30(0x3, 0xbfbfecf4)  = 0
   435      1 csh      __sigprocmask14(0x1, 0xbfbfedbc,
0xbfbfedac) = 0
   435      1 csh      ioctl(0x3, TIOCGETA, 0xbfbfec70)
Err#25 ENOTTY
   435      1 csh      __sigprocmask14(0x3, 0xbfbfedac, 0) =
0
   435      1 csh      lseek(0x3, 0, 0, 0, 0x1)    = 0
   435      1 csh      lseek(0x3, 0, 0, 0, 0x1)    = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0x2, 0xbfbfec88, 0) =
0
   435      1 csh      read(0x3, 0xbfbfbb5b, 0x1000) = 974
       "#t$NetBSD: dot.cshrc,v 1.16 2006/08/31
22:33:14 hubertf Exp $nnali"
   435      1 csh      __sigprocmask14(0x1, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0x2, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0x1, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0x2, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0x1, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      close(0)                    Err#9
EBADF
   435      1 csh      dup(0x13)                   = 0
   435      1 csh      ioctl(0, FIONCLEX, 0)       = 0
   435      1 csh      close(0x1)                  Err#9
EBADF
   435      1 csh      dup(0x11)                   = 1
   435      1 csh      ioctl(0x1, FIONCLEX, 0)     = 0
   435      1 csh      close(0x2)                  Err#9
EBADF
   435      1 csh      dup(0x12)                   = 2
   435      1 csh      ioctl(0x2, FIONCLEX, 0)     = 0
   435      1 csh      close(0)                    = 0
   435      1 csh      close(0x1)                  = 0
   435      1 csh      close(0x2)                  = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0x2, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0x1, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      close(0)                    Err#9
EBADF
   435      1 csh      dup(0x13)                   = 0
   435      1 csh      ioctl(0, FIONCLEX, 0)       = 0
   435      1 csh      close(0x1)                  Err#9
EBADF
   435      1 csh      dup(0x11)                   = 1
 435      1 csh      ioctl(0x1, FIONCLEX, 0)     = 0
   435      1 csh      close(0x2)                  Err#9
EBADF
   435      1 csh      dup(0x12)                   = 2
   435      1 csh      ioctl(0x2, FIONCLEX, 0)     = 0
   435      1 csh      close(0)                    = 0
   435      1 csh      close(0x1)                  = 0
   435      1 csh      close(0x2)                  = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0x2, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0x1, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      close(0)                    Err#9
EBADF
   435      1 csh      dup(0x13)                   = 0
   435      1 csh      ioctl(0, FIONCLEX, 0)       = 0
   435      1 csh      close(0x1)                  Err#9
EBADF
   435      1 csh      dup(0x11)                   = 1
   435      1 csh      ioctl(0x1, FIONCLEX, 0)     = 0
   435      1 csh      close(0x2)                  Err#9
EBADF
   435      1 csh      dup(0x12)                   = 2
   435      1 csh      ioctl(0x2, FIONCLEX, 0)     = 0
   435      1 csh      close(0)                    = 0
   435      1 csh      close(0x1)                  = 0
   435      1 csh      close(0x2)                  = 0
   435      1 csh      __sigprocmask14(0, 0, 0x8068af8) = 0
   435      1 csh      __sigprocmask14(0x2, 0xbfbfec88, 0) =
0
   435      1 csh      __sigprocmask14(0x1, 0xbfbfec88, 0) =
0
   435      1 csh      write(0x12, 0x806e800, 0x17) = 23
       "Illegal variable name.n"
   435      1 csh      lseek(0x3, 0, 0, 0, 0x2)    = 974
   435      1 csh      __sigprocmask14(0x3#

and in fact, if I remove .cshrc, the error is gone.
if I switch to /bin/sh or ksh, the error is gone aswell.

Any ideas ?

Zafer.

Re: illegal variable name error upon login
user name
2007-07-15 17:09:39
2007/7/15, Paul Goyette <paulwhooppee.com>:
> I got that recently when I updated to 4.99.23 and
traced it down to the
> 'alias hup ...' line in ~root/.cshrc  I'm not sure if
it was the $< part
> or the !$ part.
>
> After a couple logins, it went away before I could find
the root cause.
>
>
> On Sat, 14 Jul 2007, Zafer Aydogan wrote:
>
> > Hello list,
> >
> > I'm getting this error, but I don't know what
causes it.
> > If I login (csh), the message "Illegal
variable name" is printed.
> > Screenshot: ht
tp://aydogan.org/login/illegal_variable_name.png
> >
> > I trussed it. The end looks like this:
> >
> > 435      1 csh      ioctl(0x3, FIOCLEX, 0)      =
0
> >  435      1 csh      __fstat30(0x3, 0xbfbfecf4)  =
0
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfedbc, 0xbfbfedac) = 0
> >  435      1 csh      ioctl(0x3, TIOCGETA,
0xbfbfec70) Err#25 ENOTTY
> >  435      1 csh      __sigprocmask14(0x3,
0xbfbfedac, 0) = 0
> >  435      1 csh      lseek(0x3, 0, 0, 0, 0x1)    =
0
> >  435      1 csh      lseek(0x3, 0, 0, 0, 0x1)    =
0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0x2,
0xbfbfec88, 0) = 0
> >  435      1 csh      read(0x3, 0xbfbfbb5b, 0x1000)
= 974
> >      "#t$NetBSD: dot.cshrc,v 1.16 2006/08/31
22:33:14 hubertf Exp $nnali"
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0x2,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0x2,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      close(0)                   
Err#9 EBADF
> >  435      1 csh      dup(0x13)                   =
0
> >  435      1 csh      ioctl(0, FIONCLEX, 0)       =
0
> >  435      1 csh      close(0x1)                 
Err#9 EBADF
> >  435      1 csh      dup(0x11)                   =
1
> >  435      1 csh      ioctl(0x1, FIONCLEX, 0)     =
0
> >  435      1 csh      close(0x2)                 
Err#9 EBADF
> >  435      1 csh      dup(0x12)                   =
2
> >  435      1 csh      ioctl(0x2, FIONCLEX, 0)     =
0
> >  435      1 csh      close(0)                    =
0
> >  435      1 csh      close(0x1)                  =
0
> >  435      1 csh      close(0x2)                  =
0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0x2,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      close(0)                   
Err#9 EBADF
> >  435      1 csh      dup(0x13)                   =
0
> >  435      1 csh      ioctl(0, FIONCLEX, 0)       =
0
> >  435      1 csh      close(0x1)                 
Err#9 EBADF
> >  435      1 csh      dup(0x11)                   =
1
> > 435      1 csh      ioctl(0x1, FIONCLEX, 0)     =
0
> >  435      1 csh      close(0x2)                 
Err#9 EBADF
> >  435      1 csh      dup(0x12)                   =
2
> >  435      1 csh      ioctl(0x2, FIONCLEX, 0)     =
0
> >  435      1 csh      close(0)                    =
0
> >  435      1 csh      close(0x1)                  =
0
> >  435      1 csh      close(0x2)                  =
0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0x2,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      close(0)                   
Err#9 EBADF
> >  435      1 csh      dup(0x13)                   =
0
> >  435      1 csh      ioctl(0, FIONCLEX, 0)       =
0
> >  435      1 csh      close(0x1)                 
Err#9 EBADF
> >  435      1 csh      dup(0x11)                   =
1
> >  435      1 csh      ioctl(0x1, FIONCLEX, 0)     =
0
> >  435      1 csh      close(0x2)                 
Err#9 EBADF
> >  435      1 csh      dup(0x12)                   =
2
> >  435      1 csh      ioctl(0x2, FIONCLEX, 0)     =
0
> >  435      1 csh      close(0)                    =
0
> >  435      1 csh      close(0x1)                  =
0
> >  435      1 csh      close(0x2)                  =
0
> >  435      1 csh      __sigprocmask14(0, 0,
0x8068af8) = 0
> >  435      1 csh      __sigprocmask14(0x2,
0xbfbfec88, 0) = 0
> >  435      1 csh      __sigprocmask14(0x1,
0xbfbfec88, 0) = 0
> >  435      1 csh      write(0x12, 0x806e800, 0x17)
= 23
> >      "Illegal variable name.n"
> >  435      1 csh      lseek(0x3, 0, 0, 0, 0x2)    =
974
> >  435      1 csh      __sigprocmask14(0x3#
> >
> > and in fact, if I remove .cshrc, the error is
gone.
> > if I switch to /bin/sh or ksh, the error is gone
aswell.
> >
> > Any ideas ?
> >
> > Zafer.
> >
>
>
------------------------------------------------------------
----------
> |   Paul Goyette   | PGP DSS Key fingerprint: |  E-mail
addresses:   |
> | Customer Service | FA29 0E3B 35AF E8AE 6651 | 
paulwhooppee.com   |
> | Network Engineer | 0786 F758 55DE 53BA 7731 |
pgoyettejuniper.net |
>
------------------------------------------------------------
----------
>
Michael has filed a PR:

http://www.netbsd.org/cgi-bin/query-pr-single.pl?nu
mber=36650

The problem seems to be that in the latest change of csh the
private
type 'bool', which is
an int, was replaced by the _Bool type from stdbool.
However, the 'bool'
type is used in csh to store small integers and not just
boolean values.

Zafer.

Re: illegal variable name error upon login
country flaguser name
United States
2007-07-15 21:29:49
I've given up on trying to make csh play nice with
<stdbool.h>, and
renamed 'bool' to 'cshbool' everywhere. This should fix
PR/36650.


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