firejail: Remove symlink check patch

This commit is contained in:
Jonas Heinrich 2021-09-19 11:55:30 +02:00
parent 3333520a83
commit defe183dad
2 changed files with 51 additions and 0 deletions

View File

@ -20,6 +20,9 @@ stdenv.mkDerivation rec {
# By default fbuilder hardcodes the firejail binary to the install path.
# On NixOS the firejail binary is a setuid wrapper available in $PATH.
./fbuilder-call-firejail-on-path.patch
# Disable symlink check on /etc/hosts, see
# https://github.com/netblue30/firejail/issues/2758#issuecomment-805174951
./remove-link-check.patch
];
prePatch = ''

View File

@ -0,0 +1,48 @@
From ccc726f8ec877d8cda720daa2498e43629b6dd48 Mon Sep 17 00:00:00 2001
From: Jonas Heinrich <onny@project-insanity.org>
Date: Sun, 19 Sep 2021 11:48:06 +0200
Subject: [PATCH 1/2] remove hosts file link check
---
src/firejail/fs_hostname.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/src/firejail/fs_hostname.c b/src/firejail/fs_hostname.c
index 42255070c4..97ce70f9c1 100644
--- a/src/firejail/fs_hostname.c
+++ b/src/firejail/fs_hostname.c
@@ -132,10 +132,6 @@ char *fs_check_hosts_file(const char *fname) {
invalid_filename(fname);
char *rv = expand_home(fname, cfg.homedir);
- // no a link
- if (is_link(rv))
- goto errexit;
-
// the user has read access to the file
if (access(rv, R_OK))
goto errexit;
From c2c51e7ca56075e7388b4f50922b148615d1b125 Mon Sep 17 00:00:00 2001
From: Jonas Heinrich <onny@project-insanity.org>
Date: Sun, 19 Sep 2021 11:49:08 +0200
Subject: [PATCH 2/2] remove hosts file link check
---
src/firejail/fs_hostname.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/src/firejail/fs_hostname.c b/src/firejail/fs_hostname.c
index 97ce70f9c1..b228707131 100644
--- a/src/firejail/fs_hostname.c
+++ b/src/firejail/fs_hostname.c
@@ -154,9 +154,6 @@ void fs_mount_hosts_file(void) {
struct stat s;
if (stat("/etc/hosts", &s) == -1)
goto errexit;
- // not a link
- if (is_link("/etc/hosts"))
- goto errexit;
// owned by root
if (s.st_uid != 0)
goto errexit;