From 00ba1d9aa66061ca167e11bb565bb790c13953c7 Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 2 Aug 2022 09:11:39 +0000
Subject: [PATCH] jail: Introduce interactive jails

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 src/libpakfire/include/pakfire/jail.h |  5 +++++
 src/libpakfire/jail.c                 | 32 +++++++++++++++++++++++++++
 tests/libpakfire/jail.c               |  6 +++++
 3 files changed, 43 insertions(+)

diff --git a/src/libpakfire/include/pakfire/jail.h b/src/libpakfire/include/pakfire/jail.h
index 53395a7f4..6cda85a16 100644
--- a/src/libpakfire/include/pakfire/jail.h
+++ b/src/libpakfire/include/pakfire/jail.h
@@ -27,6 +27,11 @@
 
 struct pakfire_jail;
 
+enum {
+	PAKFIRE_JAIL_NONE			= 0,
+	PAKFIRE_JAIL_INTERACTIVE	= (1 << 0),
+};
+
 int pakfire_jail_create(struct pakfire_jail** jail, struct pakfire* pakfire, int flags);
 
 struct pakfire_jail* pakfire_jail_ref(struct pakfire_jail* jail);
diff --git a/src/libpakfire/jail.c b/src/libpakfire/jail.c
index 35fcb1b3b..4dfdb5eb8 100644
--- a/src/libpakfire/jail.c
+++ b/src/libpakfire/jail.c
@@ -60,6 +60,31 @@ static void pakfire_jail_free(struct pakfire_jail* jail) {
 	free(jail);
 }
 
+static int pakfire_jail_setup_interactive_env(struct pakfire_jail* jail) {
+	// Set PS1
+	int r = pakfire_jail_set_env(jail, "PS1", "pakfire-jail \\w> ");
+	if (r)
+		return r;
+
+	// Copy TERM
+	char* TERM = secure_getenv("TERM");
+	if (TERM) {
+		r = pakfire_jail_set_env(jail, "TERM", TERM);
+		if (r)
+			return r;
+	}
+
+	// Copy LANG
+	char* LANG = secure_getenv("LANG");
+	if (LANG) {
+		r = pakfire_jail_set_env(jail, "LANG", LANG);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
+
 int pakfire_jail_create(struct pakfire_jail** jail, struct pakfire* pakfire, int flags) {
 	int r;
 
@@ -86,6 +111,13 @@ int pakfire_jail_create(struct pakfire_jail** jail, struct pakfire* pakfire, int
 			goto ERROR;
 	}
 
+	// Setup interactive stuff
+	if (j->flags & PAKFIRE_JAIL_INTERACTIVE) {
+		r = pakfire_jail_setup_interactive_env(j);
+		if (r)
+			goto ERROR;
+	}
+
 	// Done
 	*jail = j;
 	return 0;
diff --git a/tests/libpakfire/jail.c b/tests/libpakfire/jail.c
index de3c56488..48a42db4f 100644
--- a/tests/libpakfire/jail.c
+++ b/tests/libpakfire/jail.c
@@ -35,6 +35,12 @@ static int test_create(const struct test* t) {
 	// Destroy it
 	ASSERT_NULL(pakfire_jail_unref(jail));
 
+	// Create an interactive jail
+	ASSERT_SUCCESS(pakfire_jail_create(&jail, t->pakfire, PAKFIRE_JAIL_INTERACTIVE));
+
+	// Destroy it again
+	ASSERT_NULL(pakfire_jail_unref(jail));
+
 	return EXIT_SUCCESS;
 
 FAIL:
-- 
2.47.3