1 files changed, 69 insertions, 0 deletions
diff --git a/openbsd-compat/getpeereid.c b/openbsd-compat/getpeereid.c
new file mode 100644
index 00000000..c8ce808f
--- /dev/null
+++ b/openbsd-compat/getpeereid.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <unistd.h>
+
+#if defined(SO_PEERCRED)
+int
+getpeereid(int s, uid_t *euid, gid_t *gid)
+{
+	struct ucred cred;
+	socklen_t len = sizeof(cred);
+
+	if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
+		return (-1);
+	*euid = cred.uid;
+	*gid = cred.gid;
+
+	return (0);
+}
+#elif defined(HAVE_GETPEERUCRED)
+
+#ifdef HAVE_UCRED_H
+# include <ucred.h>
+#endif
+
+int
+getpeereid(int s, uid_t *euid, gid_t *gid)
+{
+	ucred_t *ucred = NULL;
+
+	if (getpeerucred(s, &ucred) == -1)
+		return (-1);
+	if ((*euid = ucred_geteuid(ucred)) == -1)
+		return (-1);
+	if ((*gid = ucred_getrgid(ucred)) == -1)
+		return (-1);
+
+	ucred_free(ucred);
+
+	return (0);
+}
+#else
+int
+getpeereid(int s, uid_t *euid, gid_t *gid)
+{
+	*euid = geteuid();
+	*gid = getgid();
+
+	return (0);
+}
+#endif /* defined(SO_PEERCRED) */