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/* ISC license. */
#include <skalibs/sysdeps.h>
#ifdef SKALIBS_HASGETPEEREID
/* syscall exists - do nothing */
#else
#ifdef SKALIBS_HASSOPEERCRED
/* implementation with SO_PEERCRED */
#include <skalibs/nonposix.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <skalibs/posixplz.h>
int getpeereid (int s, uid_t *u, gid_t *g)
{
struct ucred blah ;
socklen_t len = sizeof(blah) ;
if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &blah, &len) == -1)
return -1 ;
*u = blah.uid ;
*g = blah.gid ;
return 0 ;
}
#else
#ifdef SKALIBS_HASGETPEERUCRED
/* implementation with getpeerucred() */
#include <skalibs/nonposix.h>
#include <ucred.h>
#include <skalibs/posixplz.h>
int getpeereid (int s, uid_t *u, gid_t *g)
{
ucred_t *cred ;
if (getpeerucred(s, &cred) == -1) return -1 ;
*u = ucred_geteuid(cred) ;
*g = ucred_getegid(cred) ;
ucred_free(cred) ;
return 0 ;
}
#else
/* can't find a real implementation, make a stub */
#include <errno.h>
#include <skalibs/posixplz.h>
int getpeereid (int s, uid_t *uid, gid_t *gid)
{
(void)s ;
*uid = *gid = -1 ;
errno = ENOSYS ;
return -1 ;
}
#endif
#endif
#endif
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