Date: Mon, 22 Oct 2001 20:51:26 +0200 (CEST) From: Martin Blapp <mb@imp.ch> To: <freebsd-emulation@freebsd.org> Cc: <des@freebsd.org>, <marcel@freebsd.org> Subject: linux_connect() broken for linux_base-7 Message-ID: <20011022204208.Q29117-200000@levais.imp.ch>
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[-- Attachment #1 --]
Hi,
As you may have seen linux_base-7 is not able to resolve any
DNS-Query's. For every connect(), we get EINVAL back.
The resposible part is: sys/netinet/udp_usrreq.c
853 inp = sotoinpcb(so);
854 if (inp == 0)
855 return EINVAL;
The socket seems to be in a state where the initialisation
fails.
Here is a kdump of a simple gethostbyname program:
15097 gethost CALL linux_socketcall(0x1,0xbfbfe408)
15097 gethost RET linux_socketcall 3
15097 gethost CALL linux_socketcall(0x3,0xbfbfe408)
15097 gethost RET linux_socketcall -1 errno 22 Invalid argument
As you see the first linux_socketcall got passed, and the second,
which is linux_connect(), fails.
Anybody have some clues ?
I've no linux box around to compile a statically linked test binary.
If anyone has one with glibc2.2.2 and resolver.2.2.2 please compile
one and send it to me.
The code of the test programm is attached. It works with linux_base-6,
but not with linux_base-7.
As I still have problems reading kernel source without help, I'm not sure
where to look. I've no clue what sotoinpcb() does. I'm sorry.
Martin
Martin Blapp, mb@imp.ch
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[-- Attachment #2 --]
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
void
usage(void)
{
printf("usage: a.out hostaddress\n");
exit(1);
}
int
main(int argc, char *argv[])
{
struct in_addr addr;
int ret, *intp;
char **p;
struct hostent *hp;
if (argc != 2)
usage();
hp = gethostbyname(argv[1]);
if (hp == NULL) {
printf("ERROR: gethostbyname(\"%s\")\n", argv[1]);
exit(1);
}
printf("%s: ", hp->h_name);
p = hp->h_aliases;
while (*p)
printf("%s\n", *p++);
p = hp->h_addr_list;
while (*p) {
intp = (int *) *p++;
ret = *intp;
addr.s_addr = ret;
printf("%s\n", inet_ntoa(addr));
}
return 0;
}
help
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