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Socket identity support for FreeBSD. 

This adds an implementation of virNetSocketGetUNIXIdentity()
using LOCAL_PEERCRED socket option and xucred struct, defined
in <sys/ucred.h> on systems that have it.
This commit is contained in:
Roman Bogorodskiy 2012-12-14 22:06:33 +04:00 committed by Eric Blake
parent e3802e13df
commit 0c94357f9d
2 changed files with 31 additions and 2 deletions
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3
configure.ac
View File

@ -187,7 +187,8 @@ LIBS=$old_libs
dnl Availability of various common headers (non-fatal if missing).
AC_CHECK_HEADERS([pwd.h paths.h regex.h sys/un.h \
sys/poll.h syslog.h mntent.h net/ethernet.h linux/magic.h \
sys/un.h sys/syscall.h netinet/tcp.h ifaddrs.h libtasn1.h])
sys/un.h sys/syscall.h netinet/tcp.h ifaddrs.h libtasn1.h \
sys/ucred.h])
dnl Check whether endian provides handy macros.
AC_CHECK_DECLS([htole64], [], [], [[#include <endian.h>]])

30
src/rpc/virnetsocket.c
View File

@ -35,6 +35,10 @@
# include <netinet/tcp.h>
#endif
#ifdef HAVE_SYS_UCRED_H
# include <sys/ucred.h>
#endif
#include "c-ctype.h"
#include "virnetsocket.h"
#include "util.h"
@ -1091,7 +1095,7 @@ int virNetSocketGetPort(virNetSocketPtr sock)
}
#ifdef SO_PEERCRED
#if defined(SO_PEERCRED)
int virNetSocketGetUNIXIdentity(virNetSocketPtr sock,
uid_t *uid,
gid_t *gid,
@ -1115,6 +1119,30 @@ int virNetSocketGetUNIXIdentity(virNetSocketPtr sock,
virMutexUnlock(&sock->lock);
return 0;
}
#elif defined(LOCAL_PEERCRED)
int virNetSocketGetUNIXIdentity(virNetSocketPtr sock,
uid_t *uid,
gid_t *gid,
pid_t *pid)
{
struct xucred cr;
socklen_t cr_len = sizeof(cr);
virMutexLock(&sock->lock);
if (getsockopt(sock->fd, SOL_SOCKET, LOCAL_PEERCRED, &cr, &cr_len) < 0) {
virReportSystemError(errno, "%s",
_("Failed to get client socket identity"));
virMutexUnlock(&sock->lock);
return -1;
}
*pid = -1;
*uid = cr.cr_uid;
*gid = cr.cr_gid;
virMutexUnlock(&sock->lock);
return 0;
}
#else
int virNetSocketGetUNIXIdentity(virNetSocketPtr sock ATTRIBUTE_UNUSED,
uid_t *uid ATTRIBUTE_UNUSED,