32 lines
1.3 KiB
Diff
32 lines
1.3 KiB
Diff
From 65cf9f032554c2ed05d6b9e3c3ea4748df8ed5f5 Mon Sep 17 00:00:00 2001
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From: Christoph Reiter <reiter.christoph@gmail.com>
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Date: Fri, 5 Jun 2020 20:09:11 +0200
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Subject: [PATCH 22/N] popen: call /usr/bin/sh instead of /bin/sh
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We mount /usr/bin to /bin, but in a chroot this is broken and we
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have no /bin, so try to use the real path.
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chroot is used by pacman to run install scripts when called with --root
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and this broke programs in install scripts calling popen()
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(install-info from texinfo for example)
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There are more paths hardcoded to /bin in cygwin which might also be broken
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in this scenario, so this maybe should be extended to all of them.
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---
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winsup/cygwin/syscalls.cc | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
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index affaa0d..76b37d6 100644
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--- a/winsup/cygwin/syscalls.cc
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+++ b/winsup/cygwin/syscalls.cc
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@@ -4535,7 +4535,7 @@ popen (const char *command, const char *in_type)
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fcntl (stdchild, F_SETFD, stdchild_state | FD_CLOEXEC);
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/* Start a shell process to run the given command without forking. */
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- pid_t pid = ch_spawn.worker ("/bin/sh", argv, environ, _P_NOWAIT,
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+ pid_t pid = ch_spawn.worker ("/usr/bin/sh", argv, environ, _P_NOWAIT,
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__std[0], __std[1]);
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/* Reinstate the close-on-exec state */
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