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72 lines
2.4 KiB
72 lines
2.4 KiB
1 month ago
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commit 2db79c96baa1256b8fc2656596143da92fabd074
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Author: Sergey Kolosov <skolosov@redhat.com>
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Date: Wed Apr 10 17:58:04 2024 +0200
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libsupport: Add xgetpeername
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The patch adds redirections for getpeername.
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Reviewed-by: Arjun Shankar <arjun@redhat.com>
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(cherry picked from commit 6687a6e3f962759536a8019d31c68c1009ccd6eb)
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diff --git a/support/Makefile b/support/Makefile
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index 362a51f882787f2b..aa57207bdccc852d 100644
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--- a/support/Makefile
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+++ b/support/Makefile
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@@ -131,6 +131,7 @@ libsupport-routines = \
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xfreopen \
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xftruncate \
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xgetline \
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+ xgetpeername \
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xgetsockname \
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xlisten \
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xlseek \
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diff --git a/support/xgetpeername.c b/support/xgetpeername.c
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new file mode 100644
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index 0000000000000000..6f448e456a1d9e1e
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--- /dev/null
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+++ b/support/xgetpeername.c
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@@ -0,0 +1,30 @@
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+/* getpeername with error checking.
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+ Copyright (C) 2024 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <support/xsocket.h>
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <support/check.h>
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+
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+void
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+xgetpeername (int fd, struct sockaddr *sa, socklen_t *plen)
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+{
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+ if (getpeername (fd, sa, plen) != 0)
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+ FAIL_EXIT1 ("getpeername (%d): %m", fd);
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+}
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diff --git a/support/xsocket.h b/support/xsocket.h
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index 3e4410354676cb2a..4ac0e1f5ffe35dc2 100644
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--- a/support/xsocket.h
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+++ b/support/xsocket.h
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@@ -26,6 +26,7 @@
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int xsocket (int, int, int);
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void xsetsockopt (int, int, int, const void *, socklen_t);
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void xgetsockname (int, struct sockaddr *, socklen_t *);
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+void xgetpeername (int, struct sockaddr *, socklen_t *);
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void xconnect (int, const struct sockaddr *, socklen_t);
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void xbind (int, const struct sockaddr *, socklen_t);
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void xlisten (int, int);
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