random hostname by default; fix --hostname and --hosts-file

3 files changed, 135 insertions, 0 deletions

diff --git a/test/private-etc/hostname.exp b/test/private-etc/hostname.exp
new file mode 100755
index 000000000..791445d49
--- /dev/null
+++ b/test/private-etc/hostname.exp
@@ -0,0 +1,130 @@
+#!/usr/bin/expect -f
+# This file is part of Firejail project
+# Copyright (C) 2014-2023 Firejail Authors
+# License GPL v2
+
+set timeout 10
+spawn $env(SHELL)
+match_max 100000
+
+send --  "firejail --hostname=foo cat /etc/hostname\r"
+expect {
+        timeout {puts "TESTING ERROR 0\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 0.1\n";exit}
+        "foo"
+}
+sleep 1
+
+send --  "firejail --hostname=foo --private-etc cat /etc/hostname\r"
+expect {
+        timeout {puts "TESTING ERROR 1\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 1.1\n";exit}
+        "foo"
+}
+sleep 1
+
+send --  "firejail --hosts-file=hosts-file cat /etc/hosts\r"
+expect {
+        timeout {puts "TESTING ERROR 2\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 2.1\n";exit}
+        "blablabla"
+}
+sleep 1
+
+send --  "firejail --hosts-file=hosts-file --private-etc cat /etc/hosts\r"
+expect {
+        timeout {puts "TESTING ERROR 3\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 3.1\n";exit}
+        "blablabla"
+}
+sleep 1
+
+send --  "firejail --hosts-file=hosts-file --hostname=foo cat /etc/hosts\r"
+expect {
+        timeout {puts "TESTING ERROR 4\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 4.1\n";exit}
+        "foo"
+}
+expect {
+        timeout {puts "TESTING ERROR 4.2\n";exit}
+        "blablabla"
+}
+sleep 1
+
+send --  "firejail --hosts-file=hosts-file --hostname=foo --private-etc cat /etc/hosts\r"
+expect {
+        timeout {puts "TESTING ERROR 5\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 5.1\n";exit}
+        "foo"
+}
+expect {
+        timeout {puts "TESTING ERROR 5.2\n";exit}
+        "blablabla"
+}
+sleep 1
+
+# ping test
+send --  "firejail --hostname=foo --private-etc ping -c 3 foo\r"
+expect {
+        timeout {puts "TESTING ERROR 6\n";exit}
+        "3 packets transmitted, 3 received"
+}
+sleep 1
+
+send --  "firejail --hosts-file=hosts-file --private-etc ping -c 3 blablabla\r"
+expect {
+        timeout {puts "TESTING ERROR 7\n";exit}
+        "3 packets transmitted, 3 received"
+}
+sleep 1
+
+# random hostname
+send --  "firejail cat /etc/hostname\r"
+expect {
+        timeout {puts "TESTING ERROR 8\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 8.1\n";exit}
+        "hiko" {puts "1"}
+        "suke" {puts "2"}
+        "shi" {puts "3"}
+        "ro" {puts "4"}
+        "hito" {puts "5"}
+        "ka" {puts "6"}
+}
+sleep 1
+
+# run /bin/hostname
+send --  "firejail --noblacklist=/usr/bin/hostname --noblacklist=/bin/hostname --hostname=foo /usr/bin/hostname\r"
+expect {
+        timeout {puts "TESTING ERROR 9\n";exit}
+        "Child process initialized"
+}
+expect {
+        timeout {puts "TESTING ERROR 9.1\n";exit}
+        "foo"
+}
+
+
+after 500
+puts "all done\n"
+
diff --git a/test/private-etc/hosts-file b/test/private-etc/hosts-file
new file mode 100644
index 000000000..1fb39596a
--- /dev/null
+++ b/test/private-etc/hosts-file
@@ -0,0 +1,2 @@
+127.0.0.1 debian
+127.5.5.5 blablabla
diff --git a/test/private-etc/private-etc.sh b/test/private-etc/private-etc.sh
index c46b684af..0dd61cb82 100755
--- a/test/private-etc/private-etc.sh
+++ b/test/private-etc/private-etc.sh
@@ -18,3 +18,6 @@ echo "TESTING: groups (test/private-etc/groups.exp)"
 
 echo "TESTING: etc-cleanup (test/private-etc/etc-cleanup.exp)"
 ./etc-cleanup.exp
+
+echo "TESTING: hostname (test/private-etc/hostname.exp)"
+./hostname.exp