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systemd/exclude-dev-from-tmpfiles.patch

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From a2aced4add1964f82cfd250f1fee8de9d974b507 Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Wed, 24 Jul 2013 11:10:05 -0400
Subject: [PATCH 1/3] tmpfiles: support passing --prefix multiple times
---
man/systemd-tmpfiles.xml | 3 ++-
src/tmpfiles/tmpfiles.c | 24 +++++++++++++++++++++---
2 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/man/systemd-tmpfiles.xml b/man/systemd-tmpfiles.xml
index 405a9f1..b0f2d9c 100644
--- a/man/systemd-tmpfiles.xml
+++ b/man/systemd-tmpfiles.xml
@@ -121,7 +121,8 @@
<term><option>--prefix=PATH</option></term>
<listitem><para>Only apply rules that
apply to paths with the specified
- prefix.</para></listitem>
+ prefix. This option can be specified
+ multiple times.</para></listitem>
</varlistentry>
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index eae993e..cb15133 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -105,7 +105,7 @@ static bool arg_create = false;
static bool arg_clean = false;
static bool arg_remove = false;
-static const char *arg_prefix = NULL;
+static char **include_prefixes = NULL;
static const char conf_file_dirs[] =
"/etc/tmpfiles.d\0"
@@ -1018,6 +1018,21 @@ static bool item_equal(Item *a, Item *b) {
return true;
}
+static bool should_include_path(const char *path) {
+ char **prefix;
+
+ /* no explicit paths specified for inclusion, so everything is valid */
+ if (strv_length(include_prefixes) == 0)
+ return true;
+
+ STRV_FOREACH(prefix, include_prefixes) {
+ if (path_startswith(path, *prefix))
+ return true;
+ }
+
+ return false;
+}
+
static int parse_line(const char *fname, unsigned line, const char *buffer) {
_cleanup_item_free_ Item *i = NULL;
Item *existing;
@@ -1119,7 +1134,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
path_kill_slashes(i->path);
- if (arg_prefix && !path_startswith(i->path, arg_prefix))
+ if (!should_include_path(i->path))
return 0;
if (user && !streq(user, "-")) {
@@ -1258,7 +1273,8 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_PREFIX:
- arg_prefix = optarg;
+ if (strv_extend(&include_prefixes, optarg) < 0)
+ return log_oom();
break;
case '?':
@@ -1423,6 +1439,8 @@ finish:
hashmap_free(items);
hashmap_free(globs);
+ strv_free(include_prefixes);
+
set_free_free(unix_sockets);
label_finish();
--
1.8.4
From 5c7951141fa9f33e1b97de97586cc16bce2776e0 Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Wed, 24 Jul 2013 11:19:24 -0400
Subject: [PATCH 2/3] tmpfiles: introduce --exclude-prefix
The opposite of --prefix, allows specifying path prefixes which should
be skipped when processing rules.
---
man/systemd-tmpfiles.xml | 7 +++++
shell-completion/systemd-zsh-completion.zsh | 1 +
src/tmpfiles/tmpfiles.c | 44 ++++++++++++++++++-----------
3 files changed, 36 insertions(+), 16 deletions(-)
diff --git a/man/systemd-tmpfiles.xml b/man/systemd-tmpfiles.xml
index b0f2d9c..403592d 100644
--- a/man/systemd-tmpfiles.xml
+++ b/man/systemd-tmpfiles.xml
@@ -124,6 +124,13 @@
prefix. This option can be specified
multiple times.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--exclude-prefix=PATH</option></term>
+ <listitem><para>Ignore rules that
+ apply to paths with the specified
+ prefix. This option can be specified
+ multiple times.</para></listitem>
+ </varlistentry>
<varlistentry>
diff --git a/shell-completion/systemd-zsh-completion.zsh b/shell-completion/systemd-zsh-completion.zsh
index b62b6df..1ab1311 100644
--- a/shell-completion/systemd-zsh-completion.zsh
+++ b/shell-completion/systemd-zsh-completion.zsh
@@ -249,6 +249,7 @@ _ctls()
'--clean[Clean up all files and directories with an age parameter configured.]' \
'--remove[All files and directories marked with r, R in the configuration files are removed.]' \
'--prefix=[Only apply rules that apply to paths with the specified prefix.]' \
+ '--exclude-prefix=[Ignore rules that apply to paths with the specified prefix.]' \
'--help[Prints a short help text and exits.]' \
'*::files:_files'
;;
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index cb15133..5eca82a 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -106,6 +106,7 @@ static bool arg_clean = false;
static bool arg_remove = false;
static char **include_prefixes = NULL;
+static char **exclude_prefixes = NULL;
static const char conf_file_dirs[] =
"/etc/tmpfiles.d\0"
@@ -1021,16 +1022,19 @@ static bool item_equal(Item *a, Item *b) {
static bool should_include_path(const char *path) {
char **prefix;
- /* no explicit paths specified for inclusion, so everything is valid */
- if (strv_length(include_prefixes) == 0)
- return true;
+ STRV_FOREACH(prefix, exclude_prefixes) {
+ if (path_startswith(path, *prefix))
+ return false;
+ }
STRV_FOREACH(prefix, include_prefixes) {
if (path_startswith(path, *prefix))
return true;
}
- return false;
+ /* no matches, so we should include this path only if we
+ * have no whitelist at all */
+ return strv_length(include_prefixes) == 0;
}
static int parse_line(const char *fname, unsigned line, const char *buffer) {
@@ -1219,11 +1223,12 @@ static int help(void) {
printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
"Creates, deletes and cleans up volatile and temporary files and directories.\n\n"
- " -h --help Show this help\n"
- " --create Create marked files/directories\n"
- " --clean Clean up marked directories\n"
- " --remove Remove marked files/directories\n"
- " --prefix=PATH Only apply rules that apply to paths with the specified prefix\n",
+ " -h --help Show this help\n"
+ " --create Create marked files/directories\n"
+ " --clean Clean up marked directories\n"
+ " --remove Remove marked files/directories\n"
+ " --prefix=PATH Only apply rules that apply to paths with the specified prefix\n"
+ " --exclude-prefix=PATH Ignore rules that apply to paths with the specified prefix\n",
program_invocation_short_name);
return 0;
@@ -1235,16 +1240,18 @@ static int parse_argv(int argc, char *argv[]) {
ARG_CREATE,
ARG_CLEAN,
ARG_REMOVE,
- ARG_PREFIX
+ ARG_PREFIX,
+ ARG_EXCLUDE_PREFIX,
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "create", no_argument, NULL, ARG_CREATE },
- { "clean", no_argument, NULL, ARG_CLEAN },
- { "remove", no_argument, NULL, ARG_REMOVE },
- { "prefix", required_argument, NULL, ARG_PREFIX },
- { NULL, 0, NULL, 0 }
+ { "help", no_argument, NULL, 'h' },
+ { "create", no_argument, NULL, ARG_CREATE },
+ { "clean", no_argument, NULL, ARG_CLEAN },
+ { "remove", no_argument, NULL, ARG_REMOVE },
+ { "prefix", required_argument, NULL, ARG_PREFIX },
+ { "exclude-prefix", required_argument, NULL, ARG_EXCLUDE_PREFIX },
+ { NULL, 0, NULL, 0 }
};
int c;
@@ -1277,6 +1284,11 @@ static int parse_argv(int argc, char *argv[]) {
return log_oom();
break;
+ case ARG_EXCLUDE_PREFIX:
+ if (strv_extend(&exclude_prefixes, optarg) < 0)
+ return log_oom();
+ break;
+
case '?':
return -EINVAL;
--
1.8.4
From ec99834cb0e76a9e7096bd42249053712db9c32d Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Wed, 24 Jul 2013 11:58:35 -0400
Subject: [PATCH 3/3] tmpfiles-setup: exclude /dev prefixes files
Fixes Arch Linux bug: https://bugs.archlinux.org/task/36259
---
units/systemd-tmpfiles-setup.service.in | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/units/systemd-tmpfiles-setup.service.in b/units/systemd-tmpfiles-setup.service.in
index 67c7d4a..6f98063 100644
--- a/units/systemd-tmpfiles-setup.service.in
+++ b/units/systemd-tmpfiles-setup.service.in
@@ -21,4 +21,4 @@ ConditionDirectoryNotEmpty=|/run/tmpfiles.d
[Service]
Type=oneshot
RemainAfterExit=yes
-ExecStart=@rootbindir@/systemd-tmpfiles --create --remove
+ExecStart=@rootbindir@/systemd-tmpfiles --create --remove --exclude-prefix=/dev
--
1.8.4
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