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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:34:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:34:38 +0000
commitfa5845db13c5cc87a03062fedf5d9cc237d14604 (patch)
tree800970ee68d1ce0659dfbde71e1149e6a2cacf9f /compat/getpeereid.c
parentInitial commit. (diff)
downloadtmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.tar.xz
tmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.zip
Adding upstream version 3.3a.upstream/3.3a
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compat/getpeereid.c')
-rw-r--r--compat/getpeereid.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/compat/getpeereid.c b/compat/getpeereid.c
new file mode 100644
index 0000000..c194e88
--- /dev/null
+++ b/compat/getpeereid.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2022 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * 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 MIND, 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 <sys/types.h>
+#include <sys/socket.h>
+
+#include <stdio.h>
+
+#ifdef HAVE_UCRED_H
+#include <ucred.h>
+#endif
+
+#include "compat.h"
+
+int
+getpeereid(int s, uid_t *uid, gid_t *gid)
+{
+#ifdef HAVE_SO_PEERCRED
+ struct ucred uc;
+ int len = sizeof uc;
+
+ if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &uc, &len) == -1)
+ return (-1);
+ *uid = uc.uid;
+ *gid = uc.gid;
+ return (0);
+#elif defined(HAVE_GETPEERUCRED)
+ ucred_t *ucred = NULL;
+
+ if (getpeerucred(s, &ucred) == -1)
+ return (-1);
+ if ((*uid = ucred_geteuid(ucred)) == -1)
+ return (-1);
+ if ((*gid = ucred_getrgid(ucred)) == -1)
+ return (-1);
+ ucred_free(ucred);
+ return (0);
+#else
+ return (getuid());
+#endif
+}