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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 14:14:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 14:14:39 +0000
commitee17e45964b786b48b455959dfe68715971893fb (patch)
tree118f40aa65dc838499053413b05adfd00f839c62 /tests/dev-ptmx
parentInitial commit. (diff)
downloadmmdebstrap-ee17e45964b786b48b455959dfe68715971893fb.tar.xz
mmdebstrap-ee17e45964b786b48b455959dfe68715971893fb.zip
Adding upstream version 1.4.3.upstream/1.4.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/dev-ptmx')
-rw-r--r--tests/dev-ptmx149
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/dev-ptmx b/tests/dev-ptmx
new file mode 100644
index 0000000..5eb7bd0
--- /dev/null
+++ b/tests/dev-ptmx
@@ -0,0 +1,149 @@
+#!/bin/sh
+set -eu
+export LC_ALL=C.UTF-8
+
+if [ {{ MODE }} != unshare ] && [ {{ MODE }} != root ]; then
+ echo "test requires root or unshare mode" >&2
+ exit 1
+fi
+
+prefix=
+if [ "$(id -u)" -eq 0 ] && [ "{{ MODE }}" != "root" ] && [ "{{ MODE }}" != "auto" ]; then
+ if ! id "${SUDO_USER:-user}" >/dev/null 2>&1; then
+ if [ ! -e /mmdebstrap-testenv ]; then
+ echo "this test modifies the system and should only be run inside a container" >&2
+ exit 1
+ fi
+ useradd --home-dir "/home/${SUDO_USER:-user}" --create-home "${SUDO_USER:-user}"
+ fi
+ prefix="runuser -u ${SUDO_USER:-user} --"
+fi
+
+# this mimics what apt does in apt-pkg/deb/dpkgpm.cc/pkgDPkgPM::StartPtyMagic()
+cat > /tmp/test.c << 'END'
+#define _GNU_SOURCE
+
+#include <stdlib.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <signal.h>
+
+int main() {
+ int ret;
+ int fd = posix_openpt(O_RDWR | O_NOCTTY);
+ if (fd < 0) {
+ perror("posix_openpt");
+ return 1;
+ }
+ char buf[64]; // 64 is used by apt
+ ret = ptsname_r(fd, buf, sizeof(buf));
+ if (ret != 0) {
+ perror("ptsname_r");
+ return 1;
+ }
+ ret = grantpt(fd);
+ if (ret == -1) {
+ perror("grantpt");
+ return 1;
+ }
+ struct termios origtt;
+ ret = tcgetattr(STDIN_FILENO, &origtt);
+ if (ret != 0) {
+ perror("tcgetattr1");
+ return 1;
+ }
+ struct termios tt;
+ ret = tcgetattr(STDOUT_FILENO, &tt);
+ if (ret != 0) {
+ perror("tcgetattr2");
+ return 1;
+ }
+ struct winsize win;
+ ret = ioctl(STDOUT_FILENO, TIOCGWINSZ, &win);
+ if (ret < 0) {
+ perror("ioctl stdout TIOCGWINSZ");
+ return 1;
+ }
+ ret = ioctl(fd, TIOCSWINSZ, &win);
+ if (ret < 0) {
+ perror("ioctl fd TIOCGWINSZ");
+ return 1;
+ }
+ ret = tcsetattr(fd, TCSANOW, &tt);
+ if (ret != 0) {
+ perror("tcsetattr1");
+ return 1;
+ }
+ cfmakeraw(&tt);
+ tt.c_lflag &= ~ECHO;
+ tt.c_lflag |= ISIG;
+ sigset_t sigmask;
+ sigset_t sigmask_old;
+ ret = sigemptyset(&sigmask);
+ if (ret != 0) {
+ perror("sigemptyset");
+ return 1;
+ }
+ ret = sigaddset(&sigmask, SIGTTOU);
+ if (ret != 0) {
+ perror("sigaddset");
+ return 1;
+ }
+ ret = sigprocmask(SIG_BLOCK,&sigmask, &sigmask_old);
+ if (ret != 0) {
+ perror("sigprocmask1");
+ return 1;
+ }
+ ret = tcsetattr(STDIN_FILENO, TCSAFLUSH, &tt);
+ if (ret != 0) {
+ perror("tcsetattr2");
+ return 1;
+ }
+ ret = sigprocmask(SIG_BLOCK,&sigmask_old, NULL);
+ if (ret != 0) {
+ perror("sigprocmask2");
+ return 1;
+ }
+ ret = tcsetattr(STDIN_FILENO, TCSAFLUSH, &origtt);
+ if (ret != 0) {
+ perror("tcsetattr3");
+ return 1;
+ }
+ return 0;
+}
+END
+
+# use script to create a fake tty
+# run all tests as root and as a normal user (the latter requires ptmxmode=666)
+script -qfec "$prefix {{ CMD }} --mode={{ MODE }} --variant=apt \
+ --include=gcc,libc6-dev,python3,passwd \
+ --customize-hook='chroot \"\$1\" useradd --home-dir /home/user --create-home user' \
+ --customize-hook='chroot \"\$1\" python3 -c \"import pty; print(pty.openpty())\"' \
+ --customize-hook='chroot \"\$1\" runuser -u user -- python3 -c \"import pty; print(pty.openpty())\"' \
+ --customize-hook='chroot \"\$1\" script -c \"echo foobar\"' \
+ --customize-hook='chroot \"\$1\" runuser -u user -- env --chdir=/home/user script -c \"echo foobar\"' \
+ --customize-hook='chroot \"\$1\" apt-get install --yes doc-debian 2>&1 | tee \"\$1\"/tmp/log' \
+ --customize-hook=\"copy-in /tmp/test.c /tmp\" \
+ --customize-hook='chroot \"\$1\" gcc /tmp/test.c -o /tmp/test' \
+ --customize-hook='chroot \"\$1\" /tmp/test' \
+ --customize-hook='chroot \"\$1\" runuser -u user -- /tmp/test' \
+ --customize-hook='rm \"\$1\"/tmp/test \"\$1\"/tmp/test.c' \
+ --customize-hook=\"copy-out /tmp/log /tmp\" \
+ {{ DIST }} /dev/null {{ MIRROR }}" /dev/null
+
+fail=0
+[ -r /tmp/log ] || fail=1
+grep '^E:' /tmp/log && fail=1
+grep 'Can not write log' /tmp/log && fail=1
+grep 'posix_openpt' /tmp/log && fail=1
+grep 'No such file or directory' /tmp/log && fail=1
+if [ $fail -eq 1 ]; then
+ echo "apt failed to write log:" >&2
+ cat /tmp/log >&2
+ exit 1
+fi
+
+rm /tmp/test.c /tmp/log