#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) {
assert(paths);
path_kill_slashes(n);
- r = set_put(*remove_symlinks_to, n);
- if (r < 0) {
- free(n);
+ r = set_consume(*remove_symlinks_to, n);
+ if (r < 0)
return r == -EEXIST ? 0 : r;
- }
return 0;
}
char** files) {
int r = 0;
- DIR _cleanup_closedir_ *d = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
assert(remove_symlinks_to);
assert(fd >= 0);
if (de->d_type == DT_DIR) {
int nfd, q;
- char _cleanup_free_ *p = NULL;
+ _cleanup_free_ char *p = NULL;
nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (nfd < 0) {
r = q;
} else if (de->d_type == DT_LNK) {
- char _cleanup_free_ *p = NULL, *dest = NULL;
+ _cleanup_free_ char *p = NULL, *dest = NULL;
int q;
bool found;
bool *same_name_link) {
int r = 0;
- DIR _cleanup_closedir_ *d = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
assert(name);
assert(fd >= 0);
if (de->d_type == DT_DIR) {
int nfd, q;
- char _cleanup_free_ *p = NULL;
+ _cleanup_free_ char *p = NULL;
nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (nfd < 0) {
r = q;
} else if (de->d_type == DT_LNK) {
- char _cleanup_free_ *p = NULL, *dest = NULL;
+ _cleanup_free_ char *p = NULL, *dest = NULL;
bool found_path, found_dest, b = false;
int q;
found_dest = streq(path_get_file_name(dest), name);
if (found_path && found_dest) {
- char _cleanup_free_ *t = NULL;
+ _cleanup_free_ char *t = NULL;
/* Filter out same name links in the main
* config path */
UnitFileState *state) {
int r;
- char _cleanup_free_ *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) {
unsigned *n_changes) {
char **i;
- char _cleanup_free_ *prefix;
+ _cleanup_free_ char *prefix;
int r;
assert(scope >= 0);
return r;
STRV_FOREACH(i, files) {
- char _cleanup_free_ *path = NULL;
+ _cleanup_free_ char *path = NULL;
if (!unit_name_is_valid(*i, true)) {
if (r == 0)
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
char **i;
- char _cleanup_free_ *config_path = NULL;
+ _cleanup_free_ char *config_path = NULL;
int r, q;
assert(scope >= 0);
return r;
STRV_FOREACH(i, files) {
- char _cleanup_free_ *path = NULL;
+ _cleanup_free_ char *path = NULL;
char *fn;
struct stat st;
}
if (errno == EEXIST) {
- char _cleanup_free_ *dest = NULL;
+ _cleanup_free_ char *dest = NULL;
q = readlink_and_make_absolute(path, &dest);
return install_info_add(c, name_or_path, NULL);
}
-static int config_parse_also(
- 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;
assert(rvalue);
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char _cleanup_free_ *n;
+ _cleanup_free_ char *n;
int r;
n = strndup(w, l);
return 0;
}
-static int config_parse_user(
- 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;
+ 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;
};
int fd;
- FILE _cleanup_fclose_ *f = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
int r;
assert(c);
return -ENOMEM;
}
- r = config_parse(path, f, NULL, config_item_table_lookup, (void*) items, true, info);
+ r = config_parse(NULL, path, f, NULL,
+ config_item_table_lookup, (void*) items, true, true, info);
if (r < 0)
return r;
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 */
+ /* Unit file doesn't exist, however instance enablement was requested.
+ * We will check if it is possible to load template unit file. */
char *template = NULL,
*template_path = NULL,
*template_dir = NULL;
return -ENOMEM;
}
- /* we will reuse path variable since we don't need it anymore */
+ /* We will reuse path variable since we don't need it anymore. */
template_dir = path;
*(strrchr(path, '/') + 1) = '\0';
return -ENOMEM;
}
- /* let's try to load template unit */
+ /* 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);
const char *name,
bool allow_symlink) {
- InstallContext _cleanup_install_context_done_ c = {};
+ _cleanup_install_context_done_ InstallContext c = {};
InstallInfo *i;
int r;
UnitFileChange **changes,
unsigned *n_changes) {
- char _cleanup_free_ *dest = NULL;
+ _cleanup_free_ char *dest = NULL;
int r;
assert(old_path);
assert(config_path);
STRV_FOREACH(s, i->aliases) {
- char _cleanup_free_ *alias_path = NULL, *dst = NULL;
+ _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)
assert(config_path);
STRV_FOREACH(s, i->wanted_by) {
- char _cleanup_free_ *path = NULL, *dst = NULL;
+ _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)) {
r = -EINVAL;
assert(config_path);
STRV_FOREACH(s, i->required_by) {
- char _cleanup_free_ *path = NULL, *dst = NULL;
+ _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)) {
r = -EINVAL;
unsigned *n_changes) {
int r;
- char _cleanup_free_ *path = NULL;
+ _cleanup_free_ char *path = NULL;
assert(i);
assert(paths);
assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
q = unit_file_search(c, i, paths, root_dir, false);
- if (q < 0) {
+ if (q == -ENOENT) {
+ /* do nothing */
+ } else if (q < 0) {
if (r >= 0)
r = q;
r += q;
if (unit_name_is_instance(i->name)) {
- char *unit_file = NULL;
+ char *unit_file;
+
+ if (i->path) {
+ 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);
+ } 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);
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
- InstallContext _cleanup_install_context_done_ c = {};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
char **i;
- char _cleanup_free_ *config_path = NULL;
+ _cleanup_free_ char *config_path = NULL;
int r;
assert(scope >= 0);
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
- InstallContext _cleanup_install_context_done_ c = {};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
char **i;
- char _cleanup_free_ *config_path = NULL;
- Set _cleanup_set_free_free_ *remove_symlinks_to = NULL;
+ _cleanup_free_ char *config_path = NULL;
+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
int r, q;
assert(scope >= 0);
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
+ int r;
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
- InstallContext _cleanup_install_context_done_ c = {};
- char **i;
- char _cleanup_free_ *config_path = NULL;
- Set _cleanup_set_free_free_ *remove_symlinks_to = NULL;
- int r, q;
+ r = unit_file_disable(scope, runtime, root_dir, files,
+ changes, n_changes);
+ if (r < 0)
+ 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,
+ const char *file,
+ bool force,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
+ _cleanup_free_ char *config_path = NULL;
+ char *path;
+ int r;
+ InstallInfo *i = NULL;
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);
if (r < 0)
return r;
- r = get_config_path(scope, runtime, root_dir, &config_path);
+ r = get_config_path(scope, false, root_dir, &config_path);
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, file);
+ if (r < 0)
+ return r;
- r = install_info_add_auto(&c, *i);
- if (r < 0)
+ 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, "/" SPECIAL_DEFAULT_TARGET);
+
+ r = create_symlink(i->path, path, force, changes, n_changes);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int unit_file_get_default(
+ UnitFileScope scope,
+ const char *root_dir,
+ char **name) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ char **p;
+ int r;
+
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+ assert(name);
+
+ r = lookup_paths_init_from_scope(&paths, scope);
+ 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, "/" SPECIAL_DEFAULT_TARGET);
+ else
+ path = strjoin(root_dir, "/", *p, "/" SPECIAL_DEFAULT_TARGET, NULL);
+
+ 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(path_get_file_name(tmp));
- r = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
+ if (!n)
+ return -ENOMEM;
- /* 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;
+ *name = n;
+ return 0;
+ }
- return r;
+ return -ENOENT;
}
UnitFileState unit_file_get_state(
const char *root_dir,
const char *name) {
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
UnitFileState state = _UNIT_FILE_STATE_INVALID;
char **i;
- char _cleanup_free_ *path = NULL;
+ _cleanup_free_ char *path = NULL;
int r;
assert(scope >= 0);
if (!path)
return -ENOMEM;
+ /*
+ * Search for a unit file in our default paths, to
+ * be sure, that there are no broken symlinks.
+ */
if (lstat(path, &st) < 0) {
r = -errno;
- if (errno == ENOENT)
- continue;
-
- return -errno;
- }
+ if (errno != ENOENT)
+ return r;
- if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode))
- return -ENOENT;
+ if (!unit_name_is_instance(name))
+ continue;
+ } else {
+ if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode))
+ return -ENOENT;
- r = null_or_empty_path(path);
- if (r < 0 && r != -ENOENT)
- return r;
- else if (r > 0) {
- state = path_startswith(*i, "/run") ?
- UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
- return state;
+ r = null_or_empty_path(path);
+ if (r < 0 && r != -ENOENT)
+ return r;
+ else if (r > 0) {
+ state = path_startswith(*i, "/run") ?
+ UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
+ return state;
+ }
}
r = find_symlinks_in_scope(scope, root_dir, name, &state);
}
int unit_file_query_preset(UnitFileScope scope, const char *name) {
- char _cleanup_strv_free_ **files = NULL;
+ _cleanup_strv_free_ char **files = NULL;
char **i;
int r;
return r;
STRV_FOREACH(i, files) {
- FILE _cleanup_fclose_ *f;
+ _cleanup_fclose_ FILE *f;
f = fopen(*i, "re");
if (!f) {
if (!*l)
continue;
- if (strchr(COMMENTS, *l))
+ if (strchr(COMMENTS "\n", *l))
continue;
if (first_word(l, "enable")) {
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
- InstallContext _cleanup_install_context_done_ plus = {}, minus = {NULL};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
char **i;
- char _cleanup_free_ *config_path = NULL;
- Set _cleanup_set_free_free_ *remove_symlinks_to = NULL;
+ _cleanup_free_ char *config_path = NULL;
+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
int r, q;
assert(scope >= 0);
free((*f)->path);
free(*f);
}
+#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free)
int unit_file_get_list(
UnitFileScope scope,
const char *root_dir,
Hashmap *h) {
- LookupPaths _cleanup_lookup_paths_free_ paths = {};
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
char **i;
- char _cleanup_free_ *buf = NULL;
- DIR _cleanup_closedir_ *d = NULL;
+ _cleanup_free_ char *buf = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
int r;
assert(scope >= 0);
for (;;) {
struct dirent *de;
union dirent_storage buffer;
- UnitFileList __attribute__((cleanup(unitfilelist_free)))
- *f = NULL;
+ _cleanup_unitfilelist_free_ UnitFileList *f = NULL;
r = readdir_r(d, &buffer.de, &de);
if (r != 0)