systemd-run: make sure --nice=, --uid=, --gid=, --setenv= also work in --scope mode

[elogind.git] / src / shared / path-lookup.c

diff --git a/src/shared/path-lookup.c b/src/shared/path-lookup.c
index 6e5529e0c729861db3aa6974ba28a629e1062796..63af43cdbb0de55542e54e54b88f0321a5d8bb70 100644 (file)
--- a/src/shared/path-lookup.c
+++ b/src/shared/path-lookup.c
@@ -41,21 +41,26 @@ DEFINE_STRING_TABLE_LOOKUP(systemd_running_as, SystemdRunningAs);
 
 int user_config_home(char **config_home) {
         const char *e;
+        char *r;
 
         e = getenv("XDG_CONFIG_HOME");
         if (e) {
-                if (asprintf(config_home, "%s/systemd/user", e) < 0)
+                r = strappend(e, "/systemd/user");
+                if (!r)
                         return -ENOMEM;
 
+                *config_home = r;
                 return 1;
         } else {
                 const char *home;
 
                 home = getenv("HOME");
                 if (home) {
-                        if (asprintf(config_home, "%s/.config/systemd/user", home) < 0)
+                        r = strappend(home, "/.config/systemd/user");
+                        if (!r)
                                 return -ENOMEM;
 
+                        *config_home = r;
                         return 1;
                 }
         }
@@ -85,9 +90,9 @@ static char** user_dirs(
         };
 
         const char *home, *e;
-        char *config_home = NULL, *data_home = NULL;
-        char **config_dirs = NULL, **data_dirs = NULL;
-        char **r = NULL, **t;
+        _cleanup_free_ char *config_home = NULL, *data_home = NULL;
+        _cleanup_strv_free_ char **config_dirs = NULL, **data_dirs = NULL;
+        char **r = NULL;
 
         /* Implement the mechanisms defined in
          *
@@ -145,89 +150,48 @@ static char** user_dirs(
                 goto fail;
 
         /* Now merge everything we found. */
-        if (generator_early) {
-                t = strv_append(r, generator_early);
-                if (!t)
+        if (generator_early)
+                if (strv_extend(&r, generator_early) < 0)
                         goto fail;
-                strv_free(r);
-                r = t;
-        }
 
-        if (config_home) {
-                t = strv_append(r, config_home);
-                if (!t)
+        if (config_home)
+                if (strv_extend(&r, config_home) < 0)
                         goto fail;
-                strv_free(r);
-                r = t;
-        }
 
-        if (!strv_isempty(config_dirs)) {
-                t = strv_merge_concat(r, config_dirs, "/systemd/user");
-                if (!t)
-                        goto finish;
-                strv_free(r);
-                r = t;
-        }
+        if (!strv_isempty(config_dirs))
+                if (strv_extend_strv_concat(&r, config_dirs, "/systemd/user") < 0)
+                        goto fail;
 
-        t = strv_merge(r, (char**) config_unit_paths);
-        if (!t)
+        if (strv_extend_strv(&r, (char**) config_unit_paths) < 0)
                 goto fail;
-        strv_free(r);
-        r = t;
 
-        if (generator) {
-                t = strv_append(r, generator);
-                if (!t)
+        if (generator)
+                if (strv_extend(&r, generator) < 0)
                         goto fail;
-                strv_free(r);
-                r = t;
-        }
 
-        if (data_home) {
-                t = strv_append(r, data_home);
-                if (!t)
+        if (data_home)
+                if (strv_extend(&r, data_home) < 0)
                         goto fail;
-                strv_free(r);
-                r = t;
-        }
 
-        if (!strv_isempty(data_dirs)) {
-                t = strv_merge_concat(r, data_dirs, "/systemd/user");
-                if (!t)
+        if (!strv_isempty(data_dirs))
+                if (strv_extend_strv_concat(&r, data_dirs, "/systemd/user") < 0)
                         goto fail;
-                strv_free(r);
-                r = t;
-        }
 
-        t = strv_merge(r, (char**) data_unit_paths);
-        if (!t)
+        if (strv_extend_strv(&r, (char**) data_unit_paths) < 0)
                 goto fail;
-        strv_free(r);
-        r = t;
 
-        if (generator_late) {
-                t = strv_append(r, generator_late);
-                if (!t)
+        if (generator_late)
+                if (strv_extend(&r, generator_late) < 0)
                         goto fail;
-                strv_free(r);
-                r = t;
-        }
 
         if (!path_strv_make_absolute_cwd(r))
                 goto fail;
 
-finish:
-        free(config_home);
-        strv_free(config_dirs);
-        free(data_home);
-        strv_free(data_dirs);
-
         return r;
 
 fail:
         strv_free(r);
-        r = NULL;
-        goto finish;
+        return NULL;
 }
 
 int lookup_paths_init(
@@ -239,7 +203,6 @@ int lookup_paths_init(
                 const char *generator_late) {
 
         const char *e;
-        char *t;
 
         assert(p);
 
@@ -312,19 +275,16 @@ int lookup_paths_init(
                 }
         }
 
-        if (!path_strv_canonicalize(p->unit_path))
+        if (!path_strv_canonicalize_absolute(p->unit_path, NULL))
                 return -ENOMEM;
 
         strv_uniq(p->unit_path);
-        path_strv_remove_empty(p->unit_path);
 
         if (!strv_isempty(p->unit_path)) {
-
-                t = strv_join(p->unit_path, "\n\t");
+                _cleanup_free_ char *t = strv_join(p->unit_path, "\n\t");
                 if (!t)
                         return -ENOMEM;
-                log_debug("Looking for unit files in:\n\t%s", t);
-                free(t);
+                log_debug("Looking for unit files in (higher priority first):\n\t%s", t);
         } else {
                 log_debug("Ignoring unit files.");
                 strv_free(p->unit_path);
@@ -371,24 +331,20 @@ int lookup_paths_init(
                                 return -ENOMEM;
                 }
 
-                if (!path_strv_canonicalize(p->sysvinit_path))
+                if (!path_strv_canonicalize_absolute(p->sysvinit_path, NULL))
                         return -ENOMEM;
 
-                if (!path_strv_canonicalize(p->sysvrcnd_path))
+                if (!path_strv_canonicalize_absolute(p->sysvrcnd_path, NULL))
                         return -ENOMEM;
 
                 strv_uniq(p->sysvinit_path);
                 strv_uniq(p->sysvrcnd_path);
-                path_strv_remove_empty(p->sysvinit_path);
-                path_strv_remove_empty(p->sysvrcnd_path);
 
                 if (!strv_isempty(p->sysvinit_path)) {
-
-                        t = strv_join(p->sysvinit_path, "\n\t");
+                        _cleanup_free_ char *t = strv_join(p->sysvinit_path, "\n\t");
                         if (!t)
                                 return -ENOMEM;
                         log_debug("Looking for SysV init scripts in:\n\t%s", t);
-                        free(t);
                 } else {
                         log_debug("Ignoring SysV init scripts.");
                         strv_free(p->sysvinit_path);
@@ -396,20 +352,19 @@ int lookup_paths_init(
                 }
 
                 if (!strv_isempty(p->sysvrcnd_path)) {
-
-                        t = strv_join(p->sysvrcnd_path, "\n\t");
+                        _cleanup_free_ char *t =
+                                strv_join(p->sysvrcnd_path, "\n\t");
                         if (!t)
                                 return -ENOMEM;
 
                         log_debug("Looking for SysV rcN.d links in:\n\t%s", t);
-                        free(t);
                 } else {
                         log_debug("Ignoring SysV rcN.d links.");
                         strv_free(p->sysvrcnd_path);
                         p->sysvrcnd_path = NULL;
                 }
 #else
-                log_debug("Disabled SysV init scripts and rcN.d links support");
+                log_debug("SysV init scripts and rcN.d links support disabled");
 #endif
         }