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-rw-r--r--src/basic/conf-files.c44
-rw-r--r--src/basic/conf-files.h10
-rw-r--r--src/basic/exec-util.c2
3 files changed, 43 insertions, 13 deletions
diff --git a/src/basic/conf-files.c b/src/basic/conf-files.c
index b8f0f5d03..21921a43e 100644
--- a/src/basic/conf-files.c
+++ b/src/basic/conf-files.c
@@ -32,11 +32,12 @@
#include "macro.h"
#include "missing.h"
#include "path-util.h"
+#include "stat-util.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"
-static int files_add(Hashmap *h, const char *root, const char *path, const char *suffix) {
+static int files_add(Hashmap *h, const char *suffix, const char *root, unsigned flags, const char *path) {
_cleanup_closedir_ DIR *dir = NULL;
const char *dirpath;
struct dirent *de;
@@ -59,6 +60,31 @@ static int files_add(Hashmap *h, const char *root, const char *path, const char
if (!dirent_is_file_with_suffix(de, suffix))
continue;
+ if (flags & CONF_FILES_EXECUTABLE) {
+ struct stat st;
+
+ /* As requested: check if the file is marked exectuable. Note that we don't check access(X_OK)
+ * here, as we care about whether the file is marked executable at all, and not whether it is
+ * executable for us, because if such errors are stuff we should log about. */
+
+ if (fstatat(dirfd(dir), de->d_name, &st, 0) < 0) {
+ log_debug_errno(errno, "Failed to stat %s/%s, ignoring: %m", dirpath, de->d_name);
+ continue;
+ }
+
+ /* We only want executable regular files (or symlinks to them), or symlinks to /dev/null */
+ if (S_ISREG(st.st_mode)) {
+ if ((st.st_mode & 0111) == 0) { /* not executable */
+ log_debug("Ignoring %s/%s, as it is not marked executable.", dirpath, de->d_name);
+ continue;
+ }
+
+ } else if (!null_or_empty(&st)) { /* /dev/null? */
+ log_debug("Ignoring %s/%s, as it is not a regular file (or symlink to /dev/null).", dirpath, de->d_name);
+ continue;
+ }
+ }
+
p = strjoin(dirpath, "/", de->d_name);
if (!p)
return -ENOMEM;
@@ -87,7 +113,7 @@ static int base_cmp(const void *a, const void *b) {
return strcmp(basename(s1), basename(s2));
}
-static int conf_files_list_strv_internal(char ***strv, const char *suffix, const char *root, char **dirs) {
+static int conf_files_list_strv_internal(char ***strv, const char *suffix, const char *root, unsigned flags, char **dirs) {
_cleanup_hashmap_free_ Hashmap *fh = NULL;
char **files, **p;
int r;
@@ -103,7 +129,7 @@ static int conf_files_list_strv_internal(char ***strv, const char *suffix, const
return -ENOMEM;
STRV_FOREACH(p, dirs) {
- r = files_add(fh, root, *p, suffix);
+ r = files_add(fh, suffix, root, flags, *p);
if (r == -ENOMEM)
return r;
if (r < 0)
@@ -120,7 +146,7 @@ static int conf_files_list_strv_internal(char ***strv, const char *suffix, const
return 0;
}
-int conf_files_list_strv(char ***strv, const char *suffix, const char *root, const char* const* dirs) {
+int conf_files_list_strv(char ***strv, const char *suffix, const char *root, unsigned flags, const char* const* dirs) {
_cleanup_strv_free_ char **copy = NULL;
assert(strv);
@@ -129,10 +155,10 @@ int conf_files_list_strv(char ***strv, const char *suffix, const char *root, con
if (!copy)
return -ENOMEM;
- return conf_files_list_strv_internal(strv, suffix, root, copy);
+ return conf_files_list_strv_internal(strv, suffix, root, flags, copy);
}
-int conf_files_list(char ***strv, const char *suffix, const char *root, const char *dir, ...) {
+int conf_files_list(char ***strv, const char *suffix, const char *root, unsigned flags, const char *dir, ...) {
_cleanup_strv_free_ char **dirs = NULL;
va_list ap;
@@ -145,10 +171,10 @@ int conf_files_list(char ***strv, const char *suffix, const char *root, const ch
if (!dirs)
return -ENOMEM;
- return conf_files_list_strv_internal(strv, suffix, root, dirs);
+ return conf_files_list_strv_internal(strv, suffix, root, flags, dirs);
}
-int conf_files_list_nulstr(char ***strv, const char *suffix, const char *root, const char *d) {
+int conf_files_list_nulstr(char ***strv, const char *suffix, const char *root, unsigned flags, const char *d) {
_cleanup_strv_free_ char **dirs = NULL;
assert(strv);
@@ -157,5 +183,5 @@ int conf_files_list_nulstr(char ***strv, const char *suffix, const char *root, c
if (!dirs)
return -ENOMEM;
- return conf_files_list_strv_internal(strv, suffix, root, dirs);
+ return conf_files_list_strv_internal(strv, suffix, root, flags, dirs);
}
diff --git a/src/basic/conf-files.h b/src/basic/conf-files.h
index e00e0e81f..20ecf6e5f 100644
--- a/src/basic/conf-files.h
+++ b/src/basic/conf-files.h
@@ -20,6 +20,10 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-int conf_files_list(char ***ret, const char *suffix, const char *root, const char *dir, ...);
-int conf_files_list_strv(char ***ret, const char *suffix, const char *root, const char* const* dirs);
-int conf_files_list_nulstr(char ***ret, const char *suffix, const char *root, const char *dirs);
+enum {
+ CONF_FILES_EXECUTABLE = 1,
+};
+
+int conf_files_list(char ***ret, const char *suffix, const char *root, unsigned flags, const char *dir, ...);
+int conf_files_list_strv(char ***ret, const char *suffix, const char *root, unsigned flags, const char* const* dirs);
+int conf_files_list_nulstr(char ***ret, const char *suffix, const char *root, unsigned flags, const char *dirs);
diff --git a/src/basic/exec-util.c b/src/basic/exec-util.c
index e542d5c93..861af3264 100644
--- a/src/basic/exec-util.c
+++ b/src/basic/exec-util.c
@@ -111,7 +111,7 @@ static int do_execute(
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
- r = conf_files_list_strv(&paths, NULL, NULL, (const char* const*) directories);
+ r = conf_files_list_strv(&paths, NULL, NULL, CONF_FILES_EXECUTABLE, (const char* const*) directories);
if (r < 0)
return r;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 23:18:21 +0000