#include "conf-files.h"
#include "specifier.h"
#include "install-printf.h"
+#include "special.h"
typedef struct {
Hashmap *will_install;
Hashmap *have_installed;
} InstallContext;
-#define _cleanup_lookup_paths_free_ \
- __attribute__((cleanup(lookup_paths_free)))
-#define _cleanup_install_context_done_ \
- __attribute__((cleanup(install_context_done)))
+#define _cleanup_install_context_done_ _cleanup_(install_context_done)
-static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) {
+static int in_search_path(const char *path, char **search) {
+ _cleanup_free_ char *parent = NULL;
+ int r;
+
+ assert(path);
+
+ r = path_get_parent(path, &parent);
+ if (r < 0)
+ return r;
+
+ return strv_contains(search, parent);
+}
+
+static int lookup_paths_init_from_scope(LookupPaths *paths,
+ UnitFileScope scope,
+ const char *root_dir) {
assert(paths);
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
return lookup_paths_init(paths,
scope == UNIT_FILE_SYSTEM ? SYSTEMD_SYSTEM : SYSTEMD_USER,
scope == UNIT_FILE_USER,
+ root_dir,
NULL, NULL, NULL);
}
case UNIT_FILE_SYSTEM:
- if (root_dir && runtime)
- asprintf(&p, "%s/run/systemd/system", root_dir);
- else if (runtime)
- p = strdup("/run/systemd/system");
- else if (root_dir)
- asprintf(&p, "%s/%s", root_dir, SYSTEM_CONFIG_UNIT_PATH);
+ if (runtime)
+ p = path_join(root_dir, "/run/systemd/system", NULL);
else
- p = strdup(SYSTEM_CONFIG_UNIT_PATH);
-
+ p = path_join(root_dir, SYSTEM_CONFIG_UNIT_PATH, NULL);
break;
case UNIT_FILE_GLOBAL:
if (!c[i].path)
return -ENOMEM;
+ path_kill_slashes(c[i].path);
+
if (source) {
c[i].source = strdup(source);
if (!c[i].source) {
free(c[i].path);
return -ENOMEM;
}
+
+ path_kill_slashes(c[i].path);
} else
c[i].source = NULL;
bool *deleted,
UnitFileChange **changes,
unsigned *n_changes,
- char** files) {
+ char** instance_whitelist) {
- int r = 0;
_cleanup_closedir_ DIR *d = NULL;
+ int r = 0;
assert(remove_symlinks_to);
assert(fd >= 0);
d = fdopendir(fd);
if (!d) {
- close_nointr_nofail(fd);
+ safe_close(fd);
return -errno;
}
for (;;) {
struct dirent *de;
- union dirent_storage buf;
- int k;
- k = readdir_r(d, &buf.de, &de);
- if (k != 0) {
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0) {
r = -errno;
break;
}
p = path_make_absolute(de->d_name, path);
if (!p) {
- close_nointr_nofail(nfd);
+ safe_close(nfd);
return -ENOMEM;
}
/* This will close nfd, regardless whether it succeeds or not */
- q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, deleted, changes, n_changes, files);
-
- if (r == 0)
+ q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, deleted, changes, n_changes, instance_whitelist);
+ if (q < 0 && r == 0)
r = q;
} else if (de->d_type == DT_LNK) {
int q;
bool found;
+ if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
+ continue;
+
+ if (unit_name_is_instance(de->d_name) &&
+ instance_whitelist &&
+ !strv_contains(instance_whitelist, de->d_name)) {
+
+ _cleanup_free_ char *w;
+
+ /* OK, the file is not listed directly
+ * in the whitelist, so let's check if
+ * the template of it might be
+ * listed. */
+
+ w = unit_name_template(de->d_name);
+ if (!w)
+ return -ENOMEM;
+
+ if (!strv_contains(instance_whitelist, w))
+ continue;
+ }
+
p = path_make_absolute(de->d_name, path);
if (!p)
return -ENOMEM;
found =
set_get(remove_symlinks_to, dest) ||
- set_get(remove_symlinks_to, path_get_file_name(dest));
+ set_get(remove_symlinks_to, basename(dest));
- if (unit_name_is_instance(p))
- found = found && strv_contains(files, path_get_file_name(p));
+ if (!found)
+ continue;
+
+ if (unlink(p) < 0 && errno != ENOENT) {
+ if (r == 0)
+ r = -errno;
+ continue;
+ }
- if (found) {
+ path_kill_slashes(p);
+ rmdir_parents(p, config_path);
+ add_file_change(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
- if (unlink(p) < 0 && errno != ENOENT) {
+ if (!set_get(remove_symlinks_to, p)) {
+ q = mark_symlink_for_removal(&remove_symlinks_to, p);
+ if (q < 0) {
if (r == 0)
- r = -errno;
- } else {
- rmdir_parents(p, config_path);
- path_kill_slashes(p);
-
- add_file_change(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
-
- if (!set_get(remove_symlinks_to, p)) {
-
- q = mark_symlink_for_removal(&remove_symlinks_to, p);
- if (q < 0) {
- if (r == 0)
- r = q;
- } else
- *deleted = true;
- }
- }
+ r = q;
+ } else
+ *deleted = true;
}
}
}
const char *config_path,
UnitFileChange **changes,
unsigned *n_changes,
- char** files) {
+ char** instance_whitelist) {
- int fd, r = 0;
+ _cleanup_close_ int fd = -1;
+ int r = 0;
bool deleted;
assert(config_path);
int q, cfd;
deleted = false;
- cfd = dup(fd);
+ cfd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
if (cfd < 0) {
r = -errno;
break;
}
/* This takes possession of cfd and closes it */
- q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, &deleted, changes, n_changes, files);
+ q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, &deleted, changes, n_changes, instance_whitelist);
if (r == 0)
r = q;
} while (deleted);
- close_nointr_nofail(fd);
-
return r;
}
d = fdopendir(fd);
if (!d) {
- close_nointr_nofail(fd);
+ safe_close(fd);
return -errno;
}
for (;;) {
- int k;
struct dirent *de;
- union dirent_storage buf;
- k = readdir_r(d, &buf.de, &de);
- if (k != 0)
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0)
return -errno;
if (!de)
p = path_make_absolute(de->d_name, path);
if (!p) {
- close_nointr_nofail(nfd);
+ safe_close(nfd);
return -ENOMEM;
}
/* This will close nfd, regardless whether it succeeds or not */
q = find_symlinks_fd(name, nfd, p, config_path, same_name_link);
-
if (q > 0)
return 1;
-
if (r == 0)
r = q;
if (path_is_absolute(name))
found_dest = path_equal(dest, name);
else
- found_dest = streq(path_get_file_name(dest), name);
+ found_dest = streq(basename(dest), name);
if (found_path && found_dest) {
_cleanup_free_ char *t = NULL;
return 1;
}
}
-
- return r;
}
static int find_symlinks(
UnitFileState *state) {
int r;
- _cleanup_free_ char *path = NULL;
+ _cleanup_free_ char *path2 = NULL;
bool same_name_link_runtime = false, same_name_link = false;
assert(scope >= 0);
assert(name);
if (scope == UNIT_FILE_SYSTEM || scope == UNIT_FILE_GLOBAL) {
+ _cleanup_free_ char *path = NULL;
/* First look in runtime config path */
r = get_config_path(scope, true, root_dir, &path);
}
/* Then look in the normal config path */
- r = get_config_path(scope, false, root_dir, &path);
+ r = get_config_path(scope, false, root_dir, &path2);
if (r < 0)
return r;
- r = find_symlinks(name, path, &same_name_link);
+ r = find_symlinks(name, path2, &same_name_link);
if (r < 0)
return r;
else if (r > 0) {
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
char **i;
- _cleanup_free_ char *prefix;
+ _cleanup_free_ char *prefix = NULL;
int r;
assert(scope >= 0);
STRV_FOREACH(i, files) {
_cleanup_free_ char *path = NULL;
- if (!unit_name_is_valid(*i, true)) {
+ if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (r == 0)
r = -EINVAL;
continue;
if (symlink("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
-
continue;
}
continue;
if (force) {
- unlink(path);
-
- if (symlink("/dev/null", path) >= 0) {
-
+ if (symlink_atomic("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
-
continue;
}
}
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
UnitFileChange **changes,
unsigned *n_changes) {
STRV_FOREACH(i, files) {
char *path;
- if (!unit_name_is_valid(*i, true)) {
+ if (!unit_name_is_valid(*i, TEMPLATE_VALID)) {
if (r == 0)
r = -EINVAL;
continue;
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
char *fn;
struct stat st;
- fn = path_get_file_name(*i);
+ fn = basename(*i);
if (!path_is_absolute(*i) ||
- !unit_name_is_valid(fn, true)) {
+ !unit_name_is_valid(fn, TEMPLATE_VALID)) {
if (r == 0)
r = -EINVAL;
continue;
_cleanup_free_ char *dest = NULL;
q = readlink_and_make_absolute(path, &dest);
-
if (q < 0 && errno != ENOENT) {
if (r == 0)
r = q;
continue;
if (force) {
- unlink(path);
-
- if (symlink(*i, path) >= 0) {
-
+ if (symlink_atomic(*i, path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
-
continue;
}
}
strv_free(i->aliases);
strv_free(i->wanted_by);
strv_free(i->required_by);
+ free(i->default_instance);
free(i);
}
assert(name || path);
if (!name)
- name = path_get_file_name(path);
+ name = basename(path);
- if (!unit_name_is_valid(name, true))
+ if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
if (hashmap_get(c->have_installed, name) ||
return install_info_add(c, name_or_path, NULL);
}
-static int config_parse_also(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
+static int config_parse_also(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
char *w;
size_t l;
return 0;
}
-static int config_parse_user(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
+static int config_parse_user(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
InstallInfo *i = data;
- char* printed;
+ char *printed;
+ int r;
assert(filename);
assert(lvalue);
assert(rvalue);
- printed = install_full_printf(i, rvalue);
- if (!printed)
- return -ENOMEM;
+ r = install_full_printf(i, rvalue, &printed);
+ if (r < 0)
+ return r;
free(i->user);
i->user = printed;
return 0;
}
+static int config_parse_default_instance(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ InstallInfo *i = data;
+ char *printed;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ r = install_full_printf(i, rvalue, &printed);
+ if (r < 0)
+ return r;
+
+ if (!unit_instance_is_valid(printed))
+ return -EINVAL;
+
+ free(i->default_instance);
+ i->default_instance = printed;
+
+ return 0;
+}
+
static int unit_file_load(
InstallContext *c,
InstallInfo *info,
const char *path,
+ const char *root_dir,
bool allow_symlink) {
const ConfigTableItem items[] = {
- { "Install", "Alias", config_parse_strv, 0, &info->aliases },
- { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by },
- { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by },
- { "Install", "Also", config_parse_also, 0, c },
- { "Exec", "User", config_parse_user, 0, info },
- { NULL, NULL, NULL, 0, NULL }
+ { "Install", "Alias", config_parse_strv, 0, &info->aliases },
+ { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by },
+ { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by },
+ { "Install", "DefaultInstance", config_parse_default_instance, 0, info },
+ { "Install", "Also", config_parse_also, 0, c },
+ { "Exec", "User", config_parse_user, 0, info },
+ {}
};
- int fd;
_cleanup_fclose_ FILE *f = NULL;
- int r;
+ int fd, r;
assert(c);
assert(info);
assert(path);
+ if (!isempty(root_dir))
+ path = strappenda3(root_dir, "/", path);
+
fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|(allow_symlink ? 0 : O_NOFOLLOW));
if (fd < 0)
return -errno;
f = fdopen(fd, "re");
if (!f) {
- close_nointr_nofail(fd);
+ safe_close(fd);
return -ENOMEM;
}
- r = config_parse(NULL, path, f, NULL,
- config_item_table_lookup, (void*) items, true, true, info);
+ r = config_parse(NULL, path, f,
+ NULL,
+ config_item_table_lookup, items,
+ true, true, false, info);
if (r < 0)
return r;
return
- strv_length(info->aliases) +
- strv_length(info->wanted_by) +
- strv_length(info->required_by);
+ (int) strv_length(info->aliases) +
+ (int) strv_length(info->wanted_by) +
+ (int) strv_length(info->required_by);
}
static int unit_file_search(
assert(paths);
if (info->path)
- return unit_file_load(c, info, info->path, allow_symlink);
+ return unit_file_load(c, info, info->path, root_dir, allow_symlink);
assert(info->name);
STRV_FOREACH(p, paths->unit_path) {
- char *path = NULL;
-
- if (isempty(root_dir))
- asprintf(&path, "%s/%s", *p, info->name);
- else
- asprintf(&path, "%s/%s/%s", root_dir, *p, info->name);
+ _cleanup_free_ char *path = NULL;
+ path = strjoin(*p, "/", info->name, NULL);
if (!path)
return -ENOMEM;
- r = unit_file_load(c, info, path, allow_symlink);
-
- if (r >= 0)
+ r = unit_file_load(c, info, path, root_dir, allow_symlink);
+ if (r >= 0) {
info->path = path;
- else {
- if (r == -ENOENT && unit_name_is_instance(info->name)) {
- /* unit file doesn't exist, however instance enablement was request */
- /* we will check if it is possible to load template unit file */
- char *template = NULL,
- *template_path = NULL,
- *template_dir = NULL;
-
- template = unit_name_template(info->name);
- if (!template) {
- free(path);
- return -ENOMEM;
- }
+ path = NULL;
+ return r;
+ }
+ if (r != -ENOENT && r != -ELOOP)
+ return r;
+ }
- /* we will reuse path variable since we don't need it anymore */
- template_dir = path;
- *(strrchr(path, '/') + 1) = '\0';
+ if (unit_name_is_instance(info->name)) {
- template_path = strjoin(template_dir, template, NULL);
- if (!template_path) {
- free(path);
- free(template);
- return -ENOMEM;
- }
+ /* Unit file doesn't exist, however instance
+ * enablement was requested. We will check if it is
+ * possible to load template unit file. */
- /* let's try to load template unit */
- r = unit_file_load(c, info, template_path, allow_symlink);
- if (r >= 0) {
- info->path = strdup(template_path);
- if (!info->path) {
- free(path);
- free(template);
- free(template_path);
- return -ENOMEM;
- }
- }
+ _cleanup_free_ char *template = NULL;
- free(template);
- free(template_path);
+ template = unit_name_template(info->name);
+ if (!template)
+ return -ENOMEM;
+
+ STRV_FOREACH(p, paths->unit_path) {
+ _cleanup_free_ char *path = NULL;
+
+ path = strjoin(*p, "/", template, NULL);
+ if (!path)
+ return -ENOMEM;
+
+ r = unit_file_load(c, info, path, root_dir, allow_symlink);
+ if (r >= 0) {
+ info->path = path;
+ path = NULL;
+ return r;
}
- free(path);
+ if (r != -ENOENT && r != -ELOOP)
+ return r;
}
-
- if (r != -ENOENT && r != -ELOOP)
- return r;
}
return -ENOENT;
if (r >= 0)
r =
- strv_length(i->aliases) +
- strv_length(i->wanted_by) +
- strv_length(i->required_by);
+ (int) strv_length(i->aliases) +
+ (int) strv_length(i->wanted_by) +
+ (int) strv_length(i->required_by);
return r;
}
if (!force)
return -EEXIST;
- unlink(new_path);
+ r = symlink_atomic(old_path, new_path);
+ if (r < 0)
+ return r;
- if (symlink(old_path, new_path) >= 0) {
- add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL);
- add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
- return 0;
- }
+ add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL);
+ add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
- return -errno;
+ return 0;
}
static int install_info_symlink_alias(
STRV_FOREACH(s, i->aliases) {
_cleanup_free_ char *alias_path = NULL, *dst = NULL;
- dst = install_full_printf(i, *s);
- if (!dst)
- return -ENOMEM;
+ q = install_full_printf(i, *s, &dst);
+ if (q < 0)
+ return q;
alias_path = path_make_absolute(dst, config_path);
if (!alias_path)
static int install_info_symlink_wants(
InstallInfo *i,
const char *config_path,
+ char **list,
+ const char *suffix,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
+ _cleanup_free_ char *buf = NULL;
+ const char *n;
char **s;
int r = 0, q;
assert(i);
assert(config_path);
- STRV_FOREACH(s, i->wanted_by) {
- _cleanup_free_ char *path = NULL, *dst = NULL;
+ if (unit_name_is_template(i->name)) {
- dst = install_full_printf(i, *s);
- if (!dst)
- return -ENOMEM;
+ /* Don't install any symlink if there's no default
+ * instance configured */
- if (!unit_name_is_valid(dst, true)) {
- r = -EINVAL;
- continue;
- }
+ if (!i->default_instance)
+ return 0;
- if (asprintf(&path, "%s/%s.wants/%s", config_path, dst, i->name) < 0)
+ buf = unit_name_replace_instance(i->name, i->default_instance);
+ if (!buf)
return -ENOMEM;
- q = create_symlink(i->path, path, force, changes, n_changes);
-
- if (r == 0)
- r = q;
- }
-
- return r;
-}
-
-static int install_info_symlink_requires(
- InstallInfo *i,
- const char *config_path,
- bool force,
- UnitFileChange **changes,
- unsigned *n_changes) {
-
- char **s;
- int r = 0, q;
-
- assert(i);
- assert(config_path);
+ n = buf;
+ } else
+ n = i->name;
- STRV_FOREACH(s, i->required_by) {
+ STRV_FOREACH(s, list) {
_cleanup_free_ char *path = NULL, *dst = NULL;
- dst = install_full_printf(i, *s);
- if (!dst)
- return -ENOMEM;
+ q = install_full_printf(i, *s, &dst);
+ if (q < 0)
+ return q;
- if (!unit_name_is_valid(dst, true)) {
+ if (!unit_name_is_valid(dst, TEMPLATE_VALID)) {
r = -EINVAL;
continue;
}
- if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0)
+ path = strjoin(config_path, "/", dst, suffix, n, NULL);
+ if (!path)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
-
if (r == 0)
r = q;
}
InstallInfo *i,
LookupPaths *paths,
const char *config_path,
+ const char *root_dir,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- int r;
_cleanup_free_ char *path = NULL;
+ int r;
assert(i);
assert(paths);
if (r != 0)
return r;
- if (asprintf(&path, "%s/%s", config_path, i->name) < 0)
+ path = strjoin(config_path, "/", i->name, NULL);
+ if (!path)
return -ENOMEM;
- r = create_symlink(i->path, path, force, changes, n_changes);
- return r;
+ return create_symlink(i->path, path, force, changes, n_changes);
}
static int install_info_apply(
InstallInfo *i,
LookupPaths *paths,
const char *config_path,
+ const char *root_dir,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
r = install_info_symlink_alias(i, config_path, force, changes, n_changes);
- q = install_info_symlink_wants(i, config_path, force, changes, n_changes);
+ q = install_info_symlink_wants(i, config_path, i->wanted_by, ".wants/", force, changes, n_changes);
if (r == 0)
r = q;
- q = install_info_symlink_requires(i, config_path, force, changes, n_changes);
+ q = install_info_symlink_wants(i, config_path, i->required_by, ".requires/", force, changes, n_changes);
if (r == 0)
r = q;
- q = install_info_symlink_link(i, paths, config_path, force, changes, n_changes);
+ q = install_info_symlink_link(i, paths, config_path, root_dir, force, changes, n_changes);
if (r == 0)
r = q;
} else if (r >= 0)
r += q;
- q = install_info_apply(i, paths, config_path, force, changes, n_changes);
+ q = install_info_apply(i, paths, config_path, root_dir, force, changes, n_changes);
if (r >= 0 && q < 0)
r = q;
}
r += q;
if (unit_name_is_instance(i->name)) {
- char *unit_file = NULL;
+ char *unit_file;
+
+ if (i->path) {
+ unit_file = basename(i->path);
+
+ if (unit_name_is_instance(unit_file))
+ /* unit file named as instance exists, thus all symlinks
+ * pointing to it will be removed */
+ q = mark_symlink_for_removal(remove_symlinks_to, i->name);
+ else
+ /* does not exist, thus we will mark for removal symlinks
+ * to template unit file */
+ q = mark_symlink_for_removal(remove_symlinks_to, unit_file);
+ } else {
+ /* If i->path is not set, it means that we didn't actually find
+ * the unit file. But we can still remove symlinks to the
+ * nonexistent template. */
+ unit_file = unit_name_template(i->name);
+ if (!unit_file)
+ return log_oom();
- unit_file = path_get_file_name(i->path);
-
- if (unit_name_is_instance(unit_file))
- /* unit file named as instance exists, thus all symlinks pointing to it, will be removed */
- q = mark_symlink_for_removal(remove_symlinks_to, i->name);
- else
- /* does not exist, thus we will mark for removal symlinks to template unit file */
q = mark_symlink_for_removal(remove_symlinks_to, unit_file);
+ free(unit_file);
+ }
} else
q = mark_symlink_for_removal(remove_symlinks_to, i->name);
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
supposed to be created, not the ones actually created. This is
useful to determine whether the passed files had any
installation data at all. */
- r = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes);
- return r;
+
+ return install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes);
}
int unit_file_disable(
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
UnitFileChange **changes,
unsigned *n_changes) {
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
+ int r;
- _cleanup_lookup_paths_free_ LookupPaths paths = {};
- _cleanup_install_context_done_ InstallContext c = {};
- char **i;
- _cleanup_free_ char *config_path = NULL;
- _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
- int r, q;
-
- assert(scope >= 0);
- assert(scope < _UNIT_FILE_SCOPE_MAX);
-
- r = lookup_paths_init_from_scope(&paths, scope);
- if (r < 0)
- return r;
-
- r = get_config_path(scope, runtime, root_dir, &config_path);
+ r = unit_file_disable(scope, runtime, root_dir, files,
+ changes, n_changes);
if (r < 0)
return r;
- STRV_FOREACH(i, files) {
- r = mark_symlink_for_removal(&remove_symlinks_to, *i);
- if (r < 0)
- return r;
-
- r = install_info_add_auto(&c, *i);
- if (r < 0)
- return r;
- }
-
- r = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
-
- /* Returns number of symlinks that where supposed to be installed. */
- q = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes);
- if (r == 0)
- r = q;
-
- return r;
+ return unit_file_enable(scope, runtime, root_dir, files, force,
+ changes, n_changes);
}
int unit_file_set_default(
UnitFileScope scope,
const char *root_dir,
- char *file,
+ const char *file,
+ bool force,
UnitFileChange **changes,
unsigned *n_changes) {
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(file);
if (unit_name_to_type(file) != UNIT_TARGET)
return -EINVAL;
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
if (r < 0)
return r;
- i = (InstallInfo*)hashmap_first(c.will_install);
+ assert_se(i = hashmap_first(c.will_install));
r = unit_file_search(&c, i, &paths, root_dir, false);
if (r < 0)
return r;
- path = strappenda(config_path, "/default.target");
- r = create_symlink(i->path, path, true, changes, n_changes);
+ path = strappenda(config_path, "/" SPECIAL_DEFAULT_TARGET);
+
+ r = create_symlink(i->path, path, force, changes, n_changes);
if (r < 0)
return r;
char **p;
int r;
- r = lookup_paths_init_from_scope(&paths, scope);
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(name);
+
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
STRV_FOREACH(p, paths.unit_path) {
_cleanup_free_ char *path = NULL, *tmp = NULL;
+ char *n;
- if (isempty(root_dir))
- path = strappend(*p, "/default.target");
- else
- path = strjoin(root_dir, "/", *p, "/default.target", NULL);
-
+ path = path_join(root_dir, *p, SPECIAL_DEFAULT_TARGET);
if (!path)
return -ENOMEM;
r = readlink_malloc(path, &tmp);
if (r == -ENOENT)
continue;
+ else if (r == -EINVAL)
+ /* not a symlink */
+ n = strdup(SPECIAL_DEFAULT_TARGET);
else if (r < 0)
return r;
+ else
+ n = strdup(basename(tmp));
- *name = strdup(path_get_file_name(tmp));
- if (!*name)
+ if (!n)
return -ENOMEM;
+ *name = n;
return 0;
}
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
- if (!unit_name_is_valid(name, true))
+ if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
STRV_FOREACH(i, paths.unit_path) {
struct stat st;
+ char *partial;
free(path);
path = NULL;
- if (root_dir)
- asprintf(&path, "%s/%s/%s", root_dir, *i, name);
- else
- asprintf(&path, "%s/%s", *i, name);
-
+ path = path_join(root_dir, *i, name);
if (!path)
return -ENOMEM;
+ if (root_dir)
+ partial = path + strlen(root_dir);
+ else
+ partial = path;
+
/*
* Search for a unit file in our default paths, to
* be sure, that there are no broken symlinks.
else if (r > 0)
return state;
- r = unit_file_can_install(&paths, root_dir, path, true);
+ r = unit_file_can_install(&paths, root_dir, partial, true);
if (r < 0 && errno != ENOENT)
return r;
else if (r > 0)
return r < 0 ? r : state;
}
-int unit_file_query_preset(UnitFileScope scope, const char *name) {
+int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name) {
_cleanup_strv_free_ char **files = NULL;
- char **i;
+ char **p;
int r;
assert(scope >= 0);
assert(name);
if (scope == UNIT_FILE_SYSTEM)
- r = conf_files_list(&files, ".preset", NULL,
+ r = conf_files_list(&files, ".preset", root_dir,
"/etc/systemd/system-preset",
"/usr/local/lib/systemd/system-preset",
"/usr/lib/systemd/system-preset",
#endif
NULL);
else if (scope == UNIT_FILE_GLOBAL)
- r = conf_files_list(&files, ".preset", NULL,
+ r = conf_files_list(&files, ".preset", root_dir,
"/etc/systemd/user-preset",
"/usr/local/lib/systemd/user-preset",
"/usr/lib/systemd/user-preset",
if (r < 0)
return r;
- STRV_FOREACH(i, files) {
+ STRV_FOREACH(p, files) {
_cleanup_fclose_ FILE *f;
- f = fopen(*i, "re");
+ f = fopen(*p, "re");
if (!f) {
if (errno == ENOENT)
continue;
l += 6;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
+ log_debug("Preset file says enable %s.", name);
return 1;
+ }
} else if (first_word(l, "disable")) {
l += 7;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
+ log_debug("Preset file says disable %s.", name);
return 0;
+ }
} else
log_debug("Couldn't parse line '%s'", l);
}
/* Default is "enable" */
+ log_debug("Preset file doesn't say anything about %s, enabling.", name);
return 1;
}
UnitFileScope scope,
bool runtime,
const char *root_dir,
- char *files[],
+ char **files,
+ UnitFilePresetMode mode,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- _cleanup_lookup_paths_free_ LookupPaths paths = {};
_cleanup_install_context_done_ InstallContext plus = {}, minus = {};
- char **i;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
_cleanup_free_ char *config_path = NULL;
- _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
+ char **i;
int r, q;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(mode < _UNIT_FILE_PRESET_MAX);
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
STRV_FOREACH(i, files) {
- if (!unit_name_is_valid(*i, true))
+ if (!unit_name_is_valid(*i, TEMPLATE_VALID))
return -EINVAL;
- r = unit_file_query_preset(scope, *i);
+ r = unit_file_query_preset(scope, root_dir, *i);
if (r < 0)
return r;
- if (r)
+ if (r && mode != UNIT_FILE_PRESET_DISABLE_ONLY)
r = install_info_add_auto(&plus, *i);
- else
+ else if (!r && mode != UNIT_FILE_PRESET_ENABLE_ONLY)
r = install_info_add_auto(&minus, *i);
-
+ else
+ r = 0;
if (r < 0)
return r;
}
- r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to,
- config_path, root_dir);
+ r = 0;
- q = remove_marked_symlinks(remove_symlinks_to, config_path,
- changes, n_changes, files);
- if (r == 0)
- r = q;
+ if (mode != UNIT_FILE_PRESET_ENABLE_ONLY) {
+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
- /* Returns number of symlinks that where supposed to be installed. */
- q = install_context_apply(&plus, &paths, config_path, root_dir, force,
- changes, n_changes);
- if (r == 0)
- r = q;
+ r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to, config_path, root_dir);
+
+ q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
+ if (r == 0)
+ r = q;
+ }
+
+ if (mode != UNIT_FILE_PRESET_DISABLE_ONLY) {
+ /* Returns number of symlinks that where supposed to be installed. */
+ q = install_context_apply(&plus, &paths, config_path, root_dir, force, changes, n_changes);
+ if (r == 0)
+ r = q;
+ }
+
+ return r;
+}
+
+int unit_file_preset_all(
+ UnitFileScope scope,
+ bool runtime,
+ const char *root_dir,
+ UnitFilePresetMode mode,
+ bool force,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
+
+ _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_free_ char *config_path = NULL;
+ char **i;
+ int r, q;
+
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(mode < _UNIT_FILE_PRESET_MAX);
+
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
+ if (r < 0)
+ return r;
+
+ r = get_config_path(scope, runtime, root_dir, &config_path);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, paths.unit_path) {
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *units_dir;
+
+ units_dir = path_join(root_dir, *i, NULL);
+ if (!units_dir)
+ return -ENOMEM;
+
+ d = opendir(units_dir);
+ if (!d) {
+ if (errno == ENOENT)
+ continue;
+
+ return -errno;
+ }
+
+ for (;;) {
+ struct dirent *de;
+
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0)
+ return -errno;
+
+ if (!de)
+ break;
+
+ if (ignore_file(de->d_name))
+ continue;
+
+ if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
+ continue;
+
+ dirent_ensure_type(d, de);
+
+ if (de->d_type != DT_REG)
+ continue;
+
+ r = unit_file_query_preset(scope, root_dir, de->d_name);
+ if (r < 0)
+ return r;
+
+ if (r && mode != UNIT_FILE_PRESET_DISABLE_ONLY)
+ r = install_info_add_auto(&plus, de->d_name);
+ else if (!r && mode != UNIT_FILE_PRESET_ENABLE_ONLY)
+ r = install_info_add_auto(&minus, de->d_name);
+ else
+ r = 0;
+ if (r < 0)
+ return r;
+ }
+ }
+
+ r = 0;
+
+ if (mode != UNIT_FILE_PRESET_ENABLE_ONLY) {
+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
+
+ r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to, config_path, root_dir);
+
+ q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, NULL);
+ if (r == 0)
+ r = q;
+ }
+
+ if (mode != UNIT_FILE_PRESET_DISABLE_ONLY) {
+ q = install_context_apply(&plus, &paths, config_path, root_dir, force, changes, n_changes);
+ if (r == 0)
+ r = q;
+ }
return r;
}
free((*f)->path);
free(*f);
}
+#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free)
int unit_file_get_list(
UnitFileScope scope,
_cleanup_lookup_paths_free_ LookupPaths paths = {};
char **i;
- _cleanup_free_ char *buf = NULL;
- _cleanup_closedir_ DIR *d = NULL;
int r;
assert(scope >= 0);
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
- r = lookup_paths_init_from_scope(&paths, scope);
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
if (r < 0)
return r;
STRV_FOREACH(i, paths.unit_path) {
- const char *units_dir;
-
- free(buf);
- buf = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *units_dir;
- if (root_dir) {
- if (asprintf(&buf, "%s/%s", root_dir, *i) < 0)
- return -ENOMEM;
-
- units_dir = buf;
- } else
- units_dir = *i;
-
- if (d)
- closedir(d);
+ units_dir = path_join(root_dir, *i, NULL);
+ if (!units_dir)
+ return -ENOMEM;
d = opendir(units_dir);
if (!d) {
}
for (;;) {
+ _cleanup_unitfilelist_free_ UnitFileList *f = NULL;
struct dirent *de;
- union dirent_storage buffer;
- UnitFileList __attribute__((cleanup(unitfilelist_free)))
- *f = NULL;
- r = readdir_r(d, &buffer.de, &de);
- if (r != 0)
- return -r;
+ errno = 0;
+ de = readdir(d);
+ if (!de && errno != 0)
+ return -errno;
if (!de)
break;
if (ignore_file(de->d_name))
continue;
- if (!unit_name_is_valid(de->d_name, true))
+ if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID))
continue;
if (hashmap_get(h, de->d_name))
continue;
- r = dirent_ensure_type(d, de);
- if (r < 0) {
- if (r == -ENOENT)
- continue;
+ dirent_ensure_type(d, de);
- return r;
- }
-
- if (de->d_type != DT_LNK && de->d_type != DT_REG)
+ if (!IN_SET(de->d_type, DT_LNK, DT_REG))
continue;
f = new0(UnitFileList, 1);
f->state = UNIT_FILE_STATIC;
found:
- r = hashmap_put(h, path_get_file_name(f->path), f);
+ r = hashmap_put(h, basename(f->path), f);
if (r < 0)
return r;
f = NULL; /* prevent cleanup */
};
DEFINE_STRING_TABLE_LOOKUP(unit_file_change_type, UnitFileChangeType);
+
+static const char* const unit_file_preset_mode_table[_UNIT_FILE_PRESET_MAX] = {
+ [UNIT_FILE_PRESET_FULL] = "full",
+ [UNIT_FILE_PRESET_ENABLE_ONLY] = "enable-only",
+ [UNIT_FILE_PRESET_DISABLE_ONLY] = "disable-only",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(unit_file_preset_mode, UnitFilePresetMode);
~ianmdlvl / elogind.git / blobdiff