fix buildin path not found
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rwx403335
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1bf285d13d
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78d8ca6d69
120
backport-Fix-handling-of-skipped-directories.patch
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120
backport-Fix-handling-of-skipped-directories.patch
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From a1e1592ac7028659d09eb3fa6c8a2227cba9f2a9 Mon Sep 17 00:00:00 2001
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From: Kurtis Rader <krader@skepticism.us>
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Date: Wed, 8 Jan 2020 19:14:31 -0800
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Subject: [PATCH] Fix handling of skipped directories
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The bug in `path_opentype()` fixed by this commit may affect other
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scenarios but we know it affects autoloaded functions. Hence the unit
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test for that scenario.
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Fixes #1454
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(cherry picked from commit 3bc58164494eecc180e2bad966d7753bfdd1e295)
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---
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src/cmd/ksh93/sh/path.c | 16 +++++++++-------
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src/cmd/ksh93/tests/autoload.sh | 15 +++++++++++++++
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src/cmd/ksh93/tests/data/skipped_dir | 15 +++++++++++++++
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src/cmd/ksh93/tests/meson.build | 1 +
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4 files changed, 40 insertions(+), 7 deletions(-)
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create mode 100644 src/cmd/ksh93/tests/autoload.sh
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create mode 100644 src/cmd/ksh93/tests/data/skipped_dir
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diff --git a/src/cmd/ksh93/sh/path.c b/src/cmd/ksh93/sh/path.c
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index 69382f9..b7869b3 100644
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--- a/src/cmd/ksh93/sh/path.c
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+++ b/src/cmd/ksh93/sh/path.c
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@@ -475,28 +475,30 @@ Pathcomp_t *path_get(Shell_t *shp, const char *name) {
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//
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static_fn int path_opentype(Shell_t *shp, const char *name, Pathcomp_t *pp, int fun) {
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int fd = -1;
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- struct stat statb;
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- Pathcomp_t *oldpp;
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if (!pp && !shp->pathlist) path_init(shp);
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if (!fun && strchr(name, '/') && sh_isoption(shp, SH_RESTRICTED)) {
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errormsg(SH_DICT, ERROR_exit(1), e_restricted, name);
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__builtin_unreachable();
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}
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+
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+ // The structure of this loop is slightly odd. It's a consequence of how path_nextcomp() works.
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+ Pathcomp_t *next_pp = pp;
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do {
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- pp = path_nextcomp(shp, oldpp = pp, name, 0);
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- while (oldpp && (oldpp->flags & PATH_SKIP)) oldpp = oldpp->next;
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- if (fun && (!oldpp || !(oldpp->flags & PATH_FPATH))) continue;
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+ pp = next_pp;
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+ next_pp = path_nextcomp(shp, pp, name, NULL);
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+ if (pp && (pp->flags & PATH_SKIP)) continue;
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+ if (fun && (!pp || !(pp->flags & PATH_FPATH))) continue;
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fd = sh_open(path_relative(shp, stkptr(shp->stk, PATH_OFFSET)), O_RDONLY | O_CLOEXEC, 0);
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+ struct stat statb;
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if (fd >= 0 && (fstat(fd, &statb) < 0 || S_ISDIR(statb.st_mode))) {
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errno = EISDIR;
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sh_close(fd);
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fd = -1;
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}
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- } while (fd < 0 && pp);
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+ } while (fd < 0 && next_pp);
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assert(fd < 0 || sh_iovalidfd(shp, fd));
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-
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if (fd >= 0 && (fd = sh_iomovefd(shp, fd)) > 0) {
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(void)fcntl(fd, F_SETFD, FD_CLOEXEC);
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shp->fdstatus[fd] |= IOCLEX;
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diff --git a/src/cmd/ksh93/tests/autoload.sh b/src/cmd/ksh93/tests/autoload.sh
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new file mode 100644
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index 0000000..6aaa206
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--- /dev/null
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+++ b/src/cmd/ksh93/tests/autoload.sh
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@@ -0,0 +1,15 @@
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+# Verify the behavior of autoloaded functions.
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+
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+# ====================
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+# Verify that directories in the path search list which should be skipped (e.g., because they don't
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+# exist) interacts correctly with autoloaded functions.
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+#
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+# See https://github.com/att/ast/issues/1454
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+expect=$"Func cd called with |$TEST_DIR/usr|\n$TEST_DIR/usr"
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+actual=$($SHELL "$TEST_ROOT/data/skipped_dir")
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+actual_status=$?
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+expect_status=0
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+[[ $actual_status == $expect_status ]] ||
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+ log_error "autoload function skipped dir test wrong status" "$expect_status" "$actual_status"
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+[[ $actual == $expect ]] ||
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+ log_error "autoload function skipped dir test wrong output" "$expect" "$actual"
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diff --git a/src/cmd/ksh93/tests/data/skipped_dir b/src/cmd/ksh93/tests/data/skipped_dir
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new file mode 100644
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index 0000000..b8eeddc
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--- /dev/null
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+++ b/src/cmd/ksh93/tests/data/skipped_dir
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@@ -0,0 +1,15 @@
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+# See https://github.com/att/ast/issues/1454
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+
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+mkdir -p "$TEST_DIR/usr/bin"
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+print '#!/bin/sh' >"$TEST_DIR/usr/bin/cd"
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+print 'builtin cd "$@"' >>"$TEST_DIR/usr/bin/cd"
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+prefix="$TEST_DIR/ksh.$$"
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+
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+FPATH="$prefix/bad:$prefix/functions"
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+mkdir -p "$prefix/functions"
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+print 'function cd { echo "Func cd called with |$*|"; command cd "$@"; }' >"$prefix/functions/cd"
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+typeset -fu cd
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+
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+PATH="/arglebargle:$PATH:$TEST_DIR/usr/bin:$TEST_DIR/bin"
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+cd "$TEST_DIR/usr"
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+pwd
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diff --git a/src/cmd/ksh93/tests/meson.build b/src/cmd/ksh93/tests/meson.build
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index 6a07d7c..26f2d43 100644
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--- a/src/cmd/ksh93/tests/meson.build
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+++ b/src/cmd/ksh93/tests/meson.build
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@@ -48,6 +48,7 @@ all_tests = [
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['arrays'],
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['arrays2'],
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['attributes'],
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+ ['autoload'],
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['basic', 90],
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['case'],
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['comvar'],
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--
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1.8.3.1
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9
ksh.spec
9
ksh.spec
@ -1,6 +1,6 @@
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Name: ksh
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Version: 2020.0.0
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Release: 6
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Release: 7
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Summary: The Original ATT Korn Shell
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License: EPL
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URL: http://www.kornshell.com/
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@ -13,6 +13,7 @@ Source3: dotkshrc
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Patch1: CVE-2019-14868.patch
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Patch9000: openEuler-skip-some-test.patch
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Patch9001: backport-Fix-handling-of-skipped-directories.patch
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Provides: /bin/ksh /usr/bin/ksh
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BuildRequires: meson gcc glibc-devel ed
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@ -89,6 +90,12 @@ done
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%config(noreplace) %{_sysconfdir}/binfmt.d/kshcomp.conf
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%changelog
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* Tue Mar 15 2022 renhongxun <renhongxun@h-partners.com> - 1:2020.0.0-7
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- Type:bugfix
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- ID:NA
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- SUG:NA
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- DESC:fix buildin path not found
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* Mon Mar 14 2022 wangjiang <wangjiang37@h-partners.com> - 1:2020.0.0-6
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- Type:enhancement
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- ID:NA
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