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Date: Wed, 21 Mar 2007 18:43:10 -0700
From: Julian Elischer <julian@elischer.org>
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To: Daniel O'Connor <doconnor@gsoft.com.au>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: sendto() giving EPERM outside a jail
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Daniel O'Connor wrote:
> Hi,
> I am trying to port miniupnpd (http://miniupnp.tuxfamily.org/) and by in large 
> it seems to work fine (evil idea as it is :) However it spews out a lot of..
> miniupnpd[13010]: sendto(udp_notify): Operation not permitted
> 
> According to my reading of the man page it is not possible to get this error 
> unless I'm using jails (which I'm not). The code in question does..

you can get it from the firewall too..

> 
> memset(&sockname, 0, sizeof(struct sockaddr_in));
> sockname.sin_family = AF_INET;
> sockname.sin_port = htons(PORT);
> sockname.sin_addr.s_addr = inet_addr(UPNP_MCAST_ADDR);
> while(known_service_types[i])
> {
>         snprintf(bufr, sizeof(bufr),
>                          "NOTIFY * HTTP/1.1\r\n"
>                         "HOST:%s:%d\r\n"
> ...
>         n = sendto(s, bufr, strlen(bufr), 0,
>                 (struct sockaddr *)&sockname, sizeof(struct sockaddr_in) );
> 
> (line 278 of miniupnpd.c).
> 
> Can someone shed light on what the problem is? The application appears to work 
> fine even with this error though.
> 
> I am running it on a FreeBSD 6.2 system.
> 
> Thanks.
> 
> PS please CC me as I am not subscribed.
>