From 9d71c4569fbf7068a3a7d7b2a4cf8f05fe5eb067 Mon Sep 17 00:00:00 2001 From: Stefan Junker Date: Thu, 14 May 2015 22:51:05 +0200 Subject: [PATCH] nspawn: allow access to device nodes listed in --bind= and --bind-ro= switches https://bugs.freedesktop.org/show_bug.cgi?id=90385 --- src/shared/util.c | 9 +++++++++ src/shared/util.h | 1 + 2 files changed, 10 insertions(+) diff --git a/src/shared/util.c b/src/shared/util.c index 9b67dd829..d7a5b2094 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -5436,6 +5436,15 @@ int is_dir(const char* path, bool follow) { return !!S_ISDIR(st.st_mode); } +int is_device_node(const char *path) { + struct stat info; + + if (lstat(path, &info) < 0) + return -errno; + + return !!(S_ISBLK(info.st_mode) || S_ISCHR(info.st_mode)); +} + int unquote_first_word(const char **p, char **ret, UnquoteFlags flags) { _cleanup_free_ char *s = NULL; size_t allocated = 0, sz = 0; diff --git a/src/shared/util.h b/src/shared/util.h index 4b4745a07..4a5de6f66 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -853,6 +853,7 @@ int take_password_lock(const char *root); int is_symlink(const char *path); int is_dir(const char *path, bool follow); +int is_device_node(const char *path); typedef enum UnquoteFlags { UNQUOTE_RELAX = 1, -- 2.30.2