#include "unit.h"
#include "load-dropin.h"
#include "log.h"
+#include "strv.h"
int unit_load_dropin(Unit *u) {
Iterator i;
char *path;
DIR *d;
struct dirent *de;
+ char **p;
- if (asprintf(&path, "%s/%s.wants", unit_path(), t) < 0)
- return -ENOMEM;
+ STRV_FOREACH(p, u->meta.manager->unit_path) {
- if (!(d = opendir(path))) {
- r = -errno;
- free(path);
+ if (asprintf(&path, "%s/%s.wants", *p, t) < 0)
+ return -ENOMEM;
- if (r == -ENOENT)
- continue;
+ if (!(d = opendir(path))) {
+ r = -errno;
+ free(path);
- return r;
- }
+ if (r == -ENOENT)
+ continue;
- free(path);
+ return r;
+ }
- while ((de = readdir(d))) {
- if (de->d_name[0] == '.')
- continue;
+ free(path);
- assert(de->d_name[0]);
+ while ((de = readdir(d))) {
+ if (de->d_name[0] == '.')
+ continue;
- if (de->d_name[strlen(de->d_name)-1] == '~')
- continue;
+ assert(de->d_name[0]);
- if (asprintf(&path, "%s/%s.wants/%s", unit_path(), t, de->d_name) < 0) {
- closedir(d);
- return -ENOMEM;
- }
+ if (de->d_name[strlen(de->d_name)-1] == '~')
+ continue;
- if (!unit_name_is_valid(de->d_name)) {
- log_info("Name of %s is not a valid unit name. Ignoring.", path);
- free(path);
- continue;
- }
+ if (asprintf(&path, "%s/%s.wants/%s", *p, t, de->d_name) < 0) {
+ closedir(d);
+ return -ENOMEM;
+ }
- r = unit_add_dependency_by_name(u, UNIT_WANTS, path);
- free(path);
+ if (!unit_name_is_valid(de->d_name)) {
+ log_info("Name of %s is not a valid unit name. Ignoring.", path);
+ free(path);
+ continue;
+ }
- if (r < 0) {
- closedir(d);
- return r;
+ r = unit_add_dependency_by_name(u, UNIT_WANTS, path);
+ free(path);
+
+ if (r < 0) {
+ closedir(d);
+ return r;
+ }
}
- }
- closedir(d);
+ closedir(d);
+ }
}
return 0;
int r;
Set *symlink_names;
FILE *f;
- char *filename, *id;
+ char *filename = NULL, *id;
sections[0] = "Meta";
sections[1] = section_table[u->meta.type];
if (!(symlink_names = set_new(string_hash_func, string_compare_func)))
return -ENOMEM;
- /* Instead of opening the path right away, we manually
- * follow all symlinks and add their name to our unit
- * name set while doing so */
- if (!(filename = path_make_absolute(path, unit_path()))) {
- r = -ENOMEM;
- goto finish;
- }
+ if (path_is_absolute(path)) {
+
+ if (!(filename = strdup(path))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
+ free(filename);
+ filename = NULL;
- if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
- if (r == -ENOENT)
- r = 0; /* returning 0 means: no suitable config file found */
+ if (r != -ENOENT)
+ goto finish;
+ }
+
+ } else {
+ char **p;
+
+ STRV_FOREACH(p, u->meta.manager->unit_path) {
+
+ /* Instead of opening the path right away, we manually
+ * follow all symlinks and add their name to our unit
+ * name set while doing so */
+ if (!(filename = path_make_absolute(path, *p))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
+ char *sn;
+
+ free(filename);
+ filename = NULL;
+
+ if (r != -ENOENT)
+ goto finish;
+
+ /* Empty the symlink names for the next run */
+ while ((sn = set_steal_first(symlink_names)))
+ free(sn);
+
+ continue;
+ }
+
+ break;
+ }
+ }
+ if (!filename) {
+ r = 0; /* returning 0 means: no suitable config file found */
goto finish;
}
return 0;
}
+static char** session_dirs(void) {
+ const char *home, *e;
+ char *config_home = NULL, *data_home = NULL;
+ char **config_dirs = NULL, **data_dirs = NULL;
+ char **r = NULL, **t;
+
+ /* Implement the mechanisms defined in
+ *
+ * http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
+ *
+ * We look in both the config and the data dirs because we
+ * want to encourage that distributors ship their unit files
+ * as data, and allow overriding as configuration.
+ */
+
+ home = getenv("HOME");
+
+ if ((e = getenv("XDG_CONFIG_HOME"))) {
+ if (asprintf(&config_home, "%s/systemd/session", e) < 0)
+ goto fail;
+
+ } else if (home) {
+ if (asprintf(&config_home, "%s/.config/systemd/session", home) < 0)
+ goto fail;
+ }
+
+ if ((e = getenv("XDG_CONFIG_DIRS")))
+ config_dirs = strv_split(e, ":");
+ else
+ config_dirs = strv_new("/etc/xdg", NULL);
+
+ if (!config_dirs)
+ goto fail;
+
+ if ((e = getenv("XDG_DATA_HOME"))) {
+ if (asprintf(&data_home, "%s/systemd/session", e) < 0)
+ goto fail;
+
+ } else if (home) {
+ if (asprintf(&data_home, "%s/.local/share/systemd/session", home) < 0)
+ goto fail;
+ }
+
+ if ((e = getenv("XDG_DATA_DIRS")))
+ data_dirs = strv_split(e, ":");
+ else
+ data_dirs = strv_new("/usr/local/share", "/usr/share", NULL);
+
+ if (!data_dirs)
+ goto fail;
+
+ /* Now merge everything we found. */
+ if (config_home) {
+ if (!(t = strv_append(r, config_home)))
+ goto fail;
+ strv_free(r);
+ r = t;
+ }
+
+ if (!(t = strv_merge_concat(r, config_dirs, "/systemd/session")))
+ goto finish;
+ strv_free(r);
+ r = t;
+
+ if (!(t = strv_append(r, SESSION_CONFIG_UNIT_PATH)))
+ goto fail;
+ strv_free(r);
+ r = t;
+
+ if (data_home) {
+ if (!(t = strv_append(r, data_home)))
+ goto fail;
+ strv_free(r);
+ r = t;
+ }
+
+ if (!(t = strv_merge_concat(r, data_dirs, "/systemd/session")))
+ goto fail;
+ strv_free(r);
+ r = t;
+
+ if (!(t = strv_append(r, SESSION_DATA_UNIT_PATH)))
+ goto fail;
+ strv_free(r);
+ r = t;
+
+ if (!strv_path_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;
+}
+
+static int manager_find_paths(Manager *m) {
+ const char *e;
+ char *t;
+ assert(m);
+
+ /* First priority is whatever has been passed to us via env
+ * vars */
+ if ((e = getenv("SYSTEMD_UNIT_PATH")))
+ if (!(m->unit_path = split_path_and_make_absolute(e)))
+ return -ENOMEM;
+
+ if (strv_isempty(m->unit_path)) {
+
+ /* Nothing is set, so let's figure something out. */
+ strv_free(m->unit_path);
+
+ if (m->running_as == MANAGER_SESSION) {
+ if (!(m->unit_path = session_dirs()))
+ return -ENOMEM;
+ } else
+ if (!(m->unit_path = strv_new(
+ SYSTEM_CONFIG_UNIT_PATH, /* /etc/systemd/system/ */
+ SYSTEM_DATA_UNIT_PATH, /* /lib/systemd/system/ */
+ NULL)))
+ return -ENOMEM;
+ }
+
+ /* FIXME: This should probably look for MANAGER_INIT, and exclude MANAGER_SYSTEM */
+ if (m->running_as != MANAGER_SESSION) {
+ /* /etc/init.d/ compativility does not matter to users */
+
+ if ((e = getenv("SYSTEMD_SYSVINIT_PATH")))
+ if (!(m->sysvinit_path = split_path_and_make_absolute(e)))
+ return -ENOMEM;
+
+ if (strv_isempty(m->sysvinit_path)) {
+ strv_free(m->sysvinit_path);
+
+ if (!(m->sysvinit_path = strv_new(
+ SYSTEM_SYSVINIT_PATH, /* /etc/init.d/ */
+ NULL)))
+ return -ENOMEM;
+ }
+ }
+
+ strv_uniq(m->unit_path);
+ strv_uniq(m->sysvinit_path);
+
+ assert(!strv_isempty(m->unit_path));
+ if (!(t = strv_join(m->unit_path, "\n\t")))
+ return -ENOMEM;
+ log_debug("Looking for unit files in:\n\t%s", t);
+ free(t);
+
+ if (!strv_isempty(m->sysvinit_path)) {
+
+ if (!(t = strv_join(m->sysvinit_path, "\n\t")))
+ return -ENOMEM;
+
+ log_debug("Looking for SysV init scripts in:\n\t%s", t);
+ free(t);
+ } else
+ log_debug("Ignoring SysV init scripts.");
+
+ return 0;
+}
+
Manager* manager_new(void) {
Manager *m;
else if (getuid() == 0)
m->running_as = MANAGER_SYSTEM;
else
- m->running_as = MANAGER_USER;
+ m->running_as = MANAGER_SESSION;
log_debug("systemd running in %s mode.", manager_running_as_to_string(m->running_as));
m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = -1;
m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
+ if (manager_find_paths(m) < 0)
+ goto fail;
+
if (!(m->units = hashmap_new(string_hash_func, string_compare_func)))
goto fail;
if (m->signal_watch.fd >= 0)
close_nointr(m->signal_watch.fd);
+ strv_free(m->unit_path);
+ strv_free(m->sysvinit_path);
+
free(m);
}
static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = {
[MANAGER_INIT] = "init",
[MANAGER_SYSTEM] = "system",
- [MANAGER_USER] = "user"
+ [MANAGER_SESSION] = "session"
};
DEFINE_STRING_TABLE_LOOKUP(manager_running_as, ManagerRunningAs);
projects / systemd / commitdiff