scp: unknown user

[tilman]

Hi

Problem:
=======
~ $ scp
unknown user 1000

For whatever reason, the problem seems only be related to scp and the user 1000. As root, it seems to work:

# scp
usage: scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]
[-l limit] [-o ssh_option] [-P port] [-S program]
[[user@]host1:]file1 ... [[user@]host2:]file2


Unsuccessful attempt to reproduce the problem as user 1000:
============================================
~ $ cat user.c
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>


int main(int argc, char** argv)
{
struct passwd *pwd;
uid_t userid;
if ((pwd = getpwuid(userid = getuid())) == NULL)
printf("unknown user %u\n", (u_int) userid);
printf("user: %u\n",(u_int) userid);
}
~ $ ./user
user: 1000



Can anybody kindely assist ?
Thanks
Tilman

[tomk]

What are the permissions on /etc/passwd?
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[tilman]

I guess my gentoo installation became somehow inconsistent: