d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed GET/SETIPDOMAIN ioctl on /dev/socksys, which is used by various

Browse Source 
other socket functions (gethostname() for one).

Reviewed by:	sef
This commit is contained in:
Nate Williams 1996-06-12 01:10:26 +00:00
parent dc48d43a6c
commit 22ceda90c7
1 changed files with 90 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
sys/i386/ibcs2/ibcs2_socksys.c
View File

@ -35,10 +35,29 @@
#include <sys/ioctl.h>
#include <sys/sysproto.h>
#include <net/if.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <i386/ibcs2/ibcs2_socksys.h>
#include <i386/ibcs2/ibcs2_util.h>
/* Local structures */
struct getipdomainname_args {
char *ipdomainname;
int len;
};
struct setipdomainname_args {
char *ipdomainname;
int len;
};
/* Local prototypes */
static int ibcs2_getipdomainname __P((struct proc *,
struct getipdomainname_args *, int *));
static int ibcs2_setipdomainname __P((struct proc *,
struct setipdomainname_args *, int *));
/*
* iBCS2 socksys calls.
*/
@ -102,9 +121,9 @@ ibcs2_socksys(p, uap, retval)
case SOCKSYS_SELECT:
return select(p, passargs, retval);
case SOCKSYS_GETIPDOMAIN:
return getdomainname(p, passargs, retval);
return ibcs2_getipdomainname(p, passargs, retval);
case SOCKSYS_SETIPDOMAIN:
return setdomainname(p, passargs, retval);
return ibcs2_setipdomainname(p, passargs, retval);
case SOCKSYS_ADJTIME:
return adjtime(p, passargs, retval);
case SOCKSYS_SETREUID:
@ -128,3 +147,72 @@ ibcs2_socksys(p, uap, retval)
}
/* NOTREACHED */
}
/* ARGSUSED */
static int
ibcs2_getipdomainname(p, uap, retval)
struct proc *p;
struct getipdomainname_args *uap;
int *retval;
{
char hname[MAXHOSTNAMELEN], *dptr;
int len;
/* Get the domain name */
strcpy(hname, hostname);
dptr = index(hname, '.');
if ( dptr )
dptr++;
else
/* Make it effectively an empty string */
dptr = hname + strlen(hname);
len = strlen(dptr) + 1;
if ((u_int)uap->len > len + 1)
uap->len = len + 1;
return (copyout((caddr_t)dptr, (caddr_t)uap->ipdomainname, uap->len));
}
/* ARGSUSED */
static int
ibcs2_setipdomainname(p, uap, retval)
struct proc *p;
struct setipdomainname_args *uap;
int *retval;
{
char hname[MAXHOSTNAMELEN], *ptr;
int error, sctl[2], hlen;
if ((error = suser(p->p_ucred, &p->p_acflag)))
return (error);
/* W/out a hostname a domain-name is nonsense */
if ( strlen(hostname) == 0 )
return EINVAL;
/* Get the host's unqualified name (strip off the domain) */
strcpy(hname, hostname);
ptr = index(hname, '.');
if ( ptr != NULL ) {
ptr++;
*ptr = '\0';
} else
strcat(hname, ".");
/* Set ptr to the end of the string so we can append to it */
hlen = strlen(hname);
ptr = hname + hlen;
if ((u_int)uap->len > (sizeof (hname) - hlen - 1))
return EINVAL;
/* Append the ipdomain to the end */
error = copyin((caddr_t)uap->ipdomainname, ptr, uap->len);
if (error)
return (error);
/* 'sethostname' with the new information */
sctl[0] = CTL_KERN;
sctl[1] = KERN_HOSTNAME;
hlen = strlen(hname) + 1;
return (kernel_sysctl(p, sctl, 2, 0, 0, hname, hlen, 0));
}