Merge pull request #8824 from keszybz/analyze-show-config

systemd-analyze show-config

1 files changed, 70 insertions, 0 deletions

diff --git a/src/basic/conf-files.c b/src/basic/conf-files.c
index b5cad5a6e3..1112dbf2f8 100644
--- a/src/basic/conf-files.c
+++ b/src/basic/conf-files.c
@@ -13,6 +13,7 @@
 #include <string.h>
 
 #include "conf-files.h"
+#include "def.h"
 #include "dirent-util.h"
 #include "fd-util.h"
 #include "hashmap.h"
@@ -23,6 +24,7 @@
 #include "stat-util.h"
 #include "string-util.h"
 #include "strv.h"
+#include "terminal-util.h"
 #include "util.h"
 
 static int files_add(Hashmap *h, const char *suffix, const char *root, unsigned flags, const char *path) {
@@ -256,3 +258,71 @@ int conf_files_list_nulstr(char ***strv, const char *suffix, const char *root, u
 
         return conf_files_list_strv_internal(strv, suffix, root, flags, d);
 }
+
+int conf_files_list_with_replacement(
+                const char *root,
+                char **config_dirs,
+                const char *replacement,
+                char ***files,
+                char **replace_file) {
+
+        _cleanup_strv_free_ char **f = NULL;
+        _cleanup_free_ char *p = NULL;
+        int r;
+
+        assert(config_dirs);
+        assert(files);
+        assert(replace_file || !replacement);
+
+        r = conf_files_list_strv(&f, ".conf", root, 0, (const char* const*) config_dirs);
+        if (r < 0)
+                return log_error_errno(r, "Failed to enumerate config files: %m");
+
+        if (replacement) {
+                r = conf_files_insert(&f, root, config_dirs, replacement);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to extend config file list: %m");
+
+                p = path_join(root, replacement, NULL);
+                if (!p)
+                        return log_oom();
+        }
+
+        *files = TAKE_PTR(f);
+        if (replace_file)
+                *replace_file = TAKE_PTR(p);
+        return 0;
+}
+
+int conf_files_cat(const char *root, const char *name) {
+        _cleanup_strv_free_ char **dirs = NULL, **files = NULL;
+        _cleanup_free_ char *path = NULL;
+        const char *dir;
+        char **t;
+        int r;
+
+        NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
+                assert(endswith(dir, "/"));
+                r = strv_extendf(&dirs, "%s%s.d", dir, name);
+                if (r < 0)
+                        return log_error("Failed to build directory list: %m");
+        }
+
+        r = conf_files_list_strv(&files, ".conf", root, 0, (const char* const*) dirs);
+        if (r < 0)
+                return log_error_errno(r, "Failed to query file list: %m");
+
+        path = path_join(root, "/etc", name);
+        if (!path)
+                return log_oom();
+
+        if (DEBUG_LOGGING) {
+                log_debug("Looking for configuration in:");
+                log_debug("   %s", path);
+                STRV_FOREACH(t, dirs)
+                        log_debug("   %s/*.conf", *t);
+        }
+
+        /* show */
+        return cat_files(path, files, CAT_FLAGS_MAIN_FILE_OPTIONAL);
+}