systemd-path: allow the default search path to be queried

[thirdparty/systemd.git] / src / libsystemd / sd-path / sd-path.c

diff --git a/src/libsystemd/sd-path/sd-path.c b/src/libsystemd/sd-path/sd-path.c
index 6e41dac1ade4af980e5988464f7074a02296d53b..b2e8e63c1b3e594965f5ff0dee5757da504d6f7e 100644 (file)
--- a/src/libsystemd/sd-path/sd-path.c
+++ b/src/libsystemd/sd-path/sd-path.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -347,6 +348,7 @@ _public_ int sd_path_home(uint64_t type, const char *suffix, char **path) {
 
         if (IN_SET(type,
                    SD_PATH_SEARCH_BINARIES,
+                   SD_PATH_SEARCH_BINARIES_DEFAULT,
                    SD_PATH_SEARCH_LIBRARY_PRIVATE,
                    SD_PATH_SEARCH_LIBRARY_ARCH,
                    SD_PATH_SEARCH_SHARED,
@@ -477,6 +479,12 @@ static int search_from_environment(
         return 0;
 }
 
+#if HAVE_SPLIT_BIN
+#  define ARRAY_SBIN_BIN(x) x "sbin", x "bin"
+#else
+#  define ARRAY_SBIN_BIN(x) x "bin"
+#endif
+
 static int get_search(uint64_t type, char ***list) {
 
         assert(list);
@@ -489,13 +497,10 @@ static int get_search(uint64_t type, char ***list) {
                                                ".local/bin",
                                                "PATH",
                                                true,
-                                               "/usr/local/sbin",
-                                               "/usr/local/bin",
-                                               "/usr/sbin",
-                                               "/usr/bin",
-#ifdef HAVE_SPLIT_USR
-                                               "/sbin",
-                                               "/bin",
+                                               ARRAY_SBIN_BIN("/usr/local/"),
+                                               ARRAY_SBIN_BIN("/usr/"),
+#if HAVE_SPLIT_USR
+                                               ARRAY_SBIN_BIN("/"),
 #endif
                                                NULL);
 
@@ -507,7 +512,7 @@ static int get_search(uint64_t type, char ***list) {
                                                false,
                                                "/usr/local/lib",
                                                "/usr/lib",
-#ifdef HAVE_SPLIT_USR
+#if HAVE_SPLIT_USR
                                                "/lib",
 #endif
                                                NULL);
@@ -519,7 +524,7 @@ static int get_search(uint64_t type, char ***list) {
                                                "LD_LIBRARY_PATH",
                                                true,
                                                LIBDIR,
-#ifdef HAVE_SPLIT_USR
+#if HAVE_SPLIT_USR
                                                ROOTLIBDIR,
 #endif
                                                NULL);
@@ -562,7 +567,17 @@ static int get_search(uint64_t type, char ***list) {
                                                false,
                                                "/etc",
                                                NULL);
-        }
+
+        case SD_PATH_SEARCH_BINARIES_DEFAULT: {
+                char **t;
+
+                t = strv_split_nulstr(DEFAULT_PATH_NULSTR);
+                if (!t)
+                        return -ENOMEM;
+
+                *list = t;
+                return 0;
+        }}
 
         return -EOPNOTSUPP;
 }
@@ -575,6 +590,7 @@ _public_ int sd_path_search(uint64_t type, const char *suffix, char ***paths) {
 
         if (!IN_SET(type,
                     SD_PATH_SEARCH_BINARIES,
+                    SD_PATH_SEARCH_BINARIES_DEFAULT,
                     SD_PATH_SEARCH_LIBRARY_PRIVATE,
                     SD_PATH_SEARCH_LIBRARY_ARCH,
                     SD_PATH_SEARCH_SHARED,