From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 30 Dec 2022 14:32:07 +0000 (+0000)
Subject: jail: Set container and container_uuid environment variables in jail
X-Git-Tag: 0.9.29~407
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3bf011057b58b1d398b87e4e33b939f66c6ac4ee;p=pakfire.git

jail: Set container and container_uuid environment variables in jail

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/jail.c b/src/libpakfire/jail.c
index 68c2681e1..5c7a844b9 100644
--- a/src/libpakfire/jail.c
+++ b/src/libpakfire/jail.c
@@ -69,6 +69,9 @@ static const struct environ {
 	{ "LANG", "C.utf-8" },
 	{ "PATH", "/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin", },
 	{ "TERM", "vt100" },
+
+	// Tell everything that it is running inside a Pakfire container
+	{ "container", "pakfire" },
 	{ NULL, NULL },
 };
 
@@ -206,6 +209,13 @@ static int pakfire_jail_default_log_callback(struct pakfire* pakfire, void* data
 	return 0;
 }
 
+static const char* pakfire_jail_uuid(struct pakfire_jail* jail) {
+	if (!*jail->__uuid)
+		uuid_unparse_lower(jail->uuid, jail->__uuid);
+
+	return jail->__uuid;
+}
+
 static int pakfire_jail_setup_interactive_env(struct pakfire_jail* jail) {
 	// Set PS1
 	int r = pakfire_jail_set_env(jail, "PS1", "pakfire-jail \\w> ");
@@ -261,6 +271,11 @@ PAKFIRE_EXPORT int pakfire_jail_create(struct pakfire_jail** jail,
 			goto ERROR;
 	}
 
+	// Set container UUID
+	r = pakfire_jail_set_env(j, "container_uuid", pakfire_jail_uuid(j));
+	if (r)
+		goto ERROR;
+
 	// Disable systemctl to talk to systemd
 	if (!pakfire_on_root(j->pakfire)) {
 		r = pakfire_jail_set_env(j, "SYSTEMD_OFFLINE", "1");
@@ -292,13 +307,6 @@ PAKFIRE_EXPORT struct pakfire_jail* pakfire_jail_unref(struct pakfire_jail* jail
 	return NULL;
 }
 
-static const char* pakfire_jail_uuid(struct pakfire_jail* jail) {
-	if (!*jail->__uuid)
-		uuid_unparse_lower(jail->uuid, jail->__uuid);
-
-	return jail->__uuid;
-}
-
 // Resource Limits
 
 PAKFIRE_EXPORT int pakfire_jail_nice(struct pakfire_jail* jail, int nice) {