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Bizarre Solaris problem
- X-seq: zsh-workers 3607
- From: Anthony Heading <aheading@xxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxxx
- Subject: Bizarre Solaris problem
- Date: Wed, 12 Nov 1997 13:22:44 +0000 (GMT)
This has me perplexed. I have a small program, attached below, which
does little more than a gethostbyname() call.
I compile it *statically* under SunOS 4.1.3, using either acc or gcc,
and attempt to run it under Solaris 2.5.1.
It works OK for any standard /bin/sh or /bin/csh login. If however I
use an account with /usr/local/bin/zsh (3.0.5) as the login (/etc/passwd)
shell, it hangs in the gethostbyname() call.
Further investigation using subshells from a /bin/csh login reveals:
su <zsh> : OK
zsh -l : OK
su - <zsh> : hangs
Having got into a "hang" configuration, su - <csh> *doesn't* reverse
back into a working state.
Those four pieces of evidence seem to rule out the problem as being in
the environment or the zlogin file?
Other info: I'm unaware of anything needed to "authorize" zsh (a la
e.g. /etc/shells under some BSD-like environments). Vanilla 3.0.5
compilation (except for my vared patch sent to the list a week or
two ago). Nothing in zlogin except for an stty config line.
Where does one start looking here?
Anthony
---------
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
int main(int argc, char *argv[])
{
struct hostent *m;
unsigned char *a;
if (argc < 2) {
fprintf(stderr, "usage: %s <hostname>\n", argv[0]);
exit(1);
}
m=gethostbyname(argv[1]);
if (!m || !m->h_addr_list || !m->h_addr_list[0]) {
fprintf(stderr, "No such host %s\n", argv[1]);
exit(1);
}
a = (unsigned char *)m->h_addr_list[0];
fprintf(stderr, "%d.%d.%d.%d\n", a[0], a[1], a[2], a[3]);
return 0;
}
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