#include "install.h"
#include "conf-parser.h"
#include "conf-files.h"
-
-typedef struct {
- char *name;
- char *path;
-
- char **aliases;
- char **wanted_by;
- char **required_by;
-} InstallInfo;
+#include "specifier.h"
+#include "install-printf.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)))
+
static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) {
assert(paths);
assert(scope >= 0);
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 *d;
- struct dirent buffer, *de;
+ _cleanup_closedir_ DIR *d = NULL;
assert(remove_symlinks_to);
assert(fd >= 0);
rewinddir(d);
for (;;) {
+ struct dirent *de;
+ union dirent_storage buf;
int k;
- k = readdir_r(d, &buffer, &de);
+ k = readdir_r(d, &buf.de, &de);
if (k != 0) {
r = -errno;
break;
if (de->d_type == DT_DIR) {
int nfd, q;
- char *p;
+ _cleanup_free_ char *p = NULL;
nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (nfd < 0) {
p = path_make_absolute(de->d_name, path);
if (!p) {
close_nointr_nofail(nfd);
- r = -ENOMEM;
- break;
+ 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);
- free(p);
if (r == 0)
r = q;
} else if (de->d_type == DT_LNK) {
- char *p, *dest;
+ _cleanup_free_ char *p = NULL, *dest = NULL;
int q;
bool found;
p = path_make_absolute(de->d_name, path);
- if (!p) {
- r = -ENOMEM;
- break;
- }
+ if (!p)
+ return -ENOMEM;
q = readlink_and_canonicalize(p, &dest);
if (q < 0) {
- free(p);
-
if (q == -ENOENT)
continue;
}
}
}
-
- free(p);
- free(dest);
}
}
- closedir(d);
-
return r;
}
bool *same_name_link) {
int r = 0;
- DIR *d;
- struct dirent buffer, *de;
+ _cleanup_closedir_ DIR *d = NULL;
assert(name);
assert(fd >= 0);
for (;;) {
int k;
+ struct dirent *de;
+ union dirent_storage buf;
- k = readdir_r(d, &buffer, &de);
- if (k != 0) {
- r = -errno;
- break;
- }
+ k = readdir_r(d, &buf.de, &de);
+ if (k != 0)
+ return -errno;
if (!de)
- break;
+ return r;
if (ignore_file(de->d_name))
continue;
if (de->d_type == DT_DIR) {
int nfd, q;
- char *p;
+ _cleanup_free_ char *p = NULL;
nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (nfd < 0) {
p = path_make_absolute(de->d_name, path);
if (!p) {
close_nointr_nofail(nfd);
- r = -ENOMEM;
- break;
+ return -ENOMEM;
}
/* This will close nfd, regardless whether it succeeds or not */
q = find_symlinks_fd(name, nfd, p, config_path, same_name_link);
- free(p);
- if (q > 0) {
- r = 1;
- break;
- }
+ if (q > 0)
+ return 1;
if (r == 0)
r = q;
} else if (de->d_type == DT_LNK) {
- char *p, *dest;
+ _cleanup_free_ char *p = NULL, *dest = NULL;
bool found_path, found_dest, b = false;
int q;
/* Acquire symlink name */
p = path_make_absolute(de->d_name, path);
- if (!p) {
- r = -ENOMEM;
- break;
- }
+ if (!p)
+ return -ENOMEM;
/* Acquire symlink destination */
q = readlink_and_canonicalize(p, &dest);
if (q < 0) {
- free(p);
-
if (q == -ENOENT)
continue;
else
found_dest = streq(path_get_file_name(dest), name);
- free(dest);
-
if (found_path && found_dest) {
- char *t;
+ _cleanup_free_ char *t = NULL;
/* Filter out same name links in the main
* config path */
t = path_make_absolute(name, config_path);
- if (!t) {
- free(p);
- r = -ENOMEM;
- break;
- }
+ if (!t)
+ return -ENOMEM;
b = path_equal(t, p);
- free(t);
}
- free(p);
-
if (b)
*same_name_link = true;
- else if (found_path || found_dest) {
- r = 1;
- break;
- }
+ else if (found_path || found_dest)
+ return 1;
}
}
- closedir(d);
-
return r;
}
UnitFileState *state) {
int r;
- char _cleanup_free_ *path = NULL;
+ _cleanup_free_ char *path = NULL;
bool same_name_link_runtime = false, same_name_link = false;
assert(scope >= 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 paths;
- char **i, *config_path = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ char **i;
+ _cleanup_free_ char *config_path = NULL;
int r, q;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- zero(paths);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
- char *path, *fn;
+ _cleanup_free_ char *path = NULL;
+ char *fn;
struct stat st;
fn = path_get_file_name(*i);
}
q = in_search_path(*i, paths.unit_path);
- if (q < 0) {
- r = q;
- break;
- }
+ if (q < 0)
+ return q;
if (q > 0)
continue;
path = path_make_absolute(fn, config_path);
- if (!path) {
- r = -ENOMEM;
- break;
- }
+ if (!path)
+ return -ENOMEM;
if (symlink(*i, path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
-
- free(path);
continue;
}
if (errno == EEXIST) {
- char *dest = NULL;
+ _cleanup_free_ char *dest = NULL;
q = readlink_and_make_absolute(path, &dest);
if (q < 0 && errno != ENOENT) {
- free(path);
-
if (r == 0)
r = q;
-
continue;
}
- if (q >= 0 && path_equal(dest, *i)) {
- free(dest);
- free(path);
+ if (q >= 0 && path_equal(dest, *i))
continue;
- }
-
- free(dest);
if (force) {
unlink(path);
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
- free(path);
continue;
}
}
if (r == 0)
r = -errno;
}
-
- free(path);
}
- finish:
- lookup_paths_free(&paths);
- free(config_path);
-
return r;
}
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,
+ 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 *n;
+ _cleanup_free_ char *n;
int r;
n = strndup(w, l);
return -ENOMEM;
r = install_info_add(c, n, NULL);
- if (r < 0) {
- free(n);
+ if (r < 0)
return r;
- }
-
- free(n);
}
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) {
+
+ InstallInfo *i = data;
+ char* printed;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ printed = install_full_printf(i, rvalue);
+ if (!printed)
+ return -ENOMEM;
+
+ free(i->user);
+ i->user = printed;
+
+ return 0;
+}
+
static int unit_file_load(
InstallContext *c,
InstallInfo *info,
{ "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 }
};
int fd;
- FILE *f;
+ _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);
- fclose(f);
+ r = config_parse(NULL, path, f, NULL,
+ config_item_table_lookup, (void*) items, true, true, info);
if (r < 0)
return r;
const char *name,
bool allow_symlink) {
- InstallContext c;
+ _cleanup_install_context_done_ InstallContext c = {};
InstallInfo *i;
int r;
assert(paths);
assert(name);
- zero(c);
-
r = install_info_add_auto(&c, name);
if (r < 0)
return r;
strv_length(i->wanted_by) +
strv_length(i->required_by);
- install_context_done(&c);
-
return r;
}
UnitFileChange **changes,
unsigned *n_changes) {
- char *dest;
+ _cleanup_free_ char *dest = NULL;
int r;
assert(old_path);
if (r < 0)
return r;
- if (path_equal(dest, old_path)) {
- free(dest);
+ if (path_equal(dest, old_path))
return 0;
- }
-
- free(dest);
if (!force)
return -EEXIST;
assert(config_path);
STRV_FOREACH(s, i->aliases) {
- char *alias_path;
+ _cleanup_free_ char *alias_path = NULL, *dst = NULL;
- alias_path = path_make_absolute(*s, config_path);
+ dst = install_full_printf(i, *s);
+ if (!dst)
+ return -ENOMEM;
+ alias_path = path_make_absolute(dst, config_path);
if (!alias_path)
return -ENOMEM;
q = create_symlink(i->path, alias_path, force, changes, n_changes);
- free(alias_path);
-
if (r == 0)
r = q;
}
assert(config_path);
STRV_FOREACH(s, i->wanted_by) {
- char *path;
+ _cleanup_free_ char *path = NULL, *dst = NULL;
+
+ dst = install_full_printf(i, *s);
+ if (!dst)
+ return -ENOMEM;
- if (!unit_name_is_valid(*s, true)) {
+ if (!unit_name_is_valid(dst, true)) {
r = -EINVAL;
continue;
}
- if (asprintf(&path, "%s/%s.wants/%s", config_path, *s, i->name) < 0)
+ if (asprintf(&path, "%s/%s.wants/%s", config_path, dst, i->name) < 0)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
if (r == 0)
r = q;
assert(config_path);
STRV_FOREACH(s, i->required_by) {
- char *path;
+ _cleanup_free_ char *path = NULL, *dst = NULL;
+
+ dst = install_full_printf(i, *s);
+ if (!dst)
+ return -ENOMEM;
- if (!unit_name_is_valid(*s, true)) {
+ if (!unit_name_is_valid(dst, true)) {
r = -EINVAL;
continue;
}
- if (asprintf(&path, "%s/%s.requires/%s", config_path, *s, i->name) < 0)
+ if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
if (r == 0)
r = q;
unsigned *n_changes) {
int r;
- char *path;
+ _cleanup_free_ char *path = NULL;
assert(i);
assert(paths);
return -ENOMEM;
r = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
-
return r;
}
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext c;
- char **i, *config_path = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext c = {};
+ char **i;
+ _cleanup_free_ char *config_path = NULL;
int r;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
- zero(paths);
- zero(c);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
r = install_info_add_auto(&c, *i);
if (r < 0)
- goto finish;
+ return r;
}
/* This will return the number of symlink rules that were
supposed to be created, not the ones actually created. This is
- useful to determine whether the passed files hat any
+ 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);
-
-finish:
- install_context_done(&c);
- lookup_paths_free(&paths);
- free(config_path);
-
return r;
}
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext c;
- char **i, *config_path = NULL;
- Set *remove_symlinks_to = NULL;
+ _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);
- zero(paths);
- zero(c);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
r = install_info_add_auto(&c, *i);
if (r < 0)
- goto finish;
+ return r;
}
r = install_context_mark_for_removal(&c, &paths, &remove_symlinks_to, config_path, root_dir);
if (r == 0)
r = q;
-finish:
- install_context_done(&c);
- lookup_paths_free(&paths);
- set_free_free(remove_symlinks_to);
- free(config_path);
-
return r;
}
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext c;
- char **i, *config_path = NULL;
- Set *remove_symlinks_to = NULL;
+ _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);
- zero(paths);
- zero(c);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
r = mark_symlink_for_removal(&remove_symlinks_to, *i);
if (r < 0)
- goto finish;
+ return r;
r = install_info_add_auto(&c, *i);
if (r < 0)
- goto finish;
+ return r;
}
r = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
if (r == 0)
r = q;
-finish:
- lookup_paths_free(&paths);
- install_context_done(&c);
- set_free_free(remove_symlinks_to);
- free(config_path);
-
return r;
}
+int unit_file_set_default(
+ UnitFileScope scope,
+ const char *root_dir,
+ char *file,
+ 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);
+
+ 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, false, root_dir, &config_path);
+ if (r < 0)
+ return r;
+
+ r = install_info_add_auto(&c, file);
+ if (r < 0)
+ return r;
+
+ i = (InstallInfo*)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);
+ 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;
+
+ 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;
+
+ if (isempty(root_dir))
+ path = strappend(*p, "/default.target");
+ else
+ path = strjoin(root_dir, "/", *p, "/default.target", NULL);
+
+ if (!path)
+ return -ENOMEM;
+
+ r = readlink_malloc(path, &tmp);
+ if (r == -ENOENT)
+ continue;
+ else if (r < 0)
+ return r;
+
+ *name = strdup(path_get_file_name(tmp));
+ if (!*name)
+ return -ENOMEM;
+
+ return 0;
+ }
+
+ return -ENOENT;
+}
+
UnitFileState unit_file_get_state(
UnitFileScope scope,
const char *root_dir,
const char *name) {
- LookupPaths paths;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
UnitFileState state = _UNIT_FILE_STATE_INVALID;
- char **i, *path = NULL;
+ char **i;
+ _cleanup_free_ char *path = NULL;
int r;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
assert(name);
- zero(paths);
-
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
else
asprintf(&path, "%s/%s", *i, name);
- if (!path) {
- r = -ENOMEM;
- goto finish;
- }
+ 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;
-
- goto finish;
- }
+ if (errno != ENOENT)
+ return r;
- if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode)) {
- r = -ENOENT;
- goto finish;
- }
-
- r = null_or_empty_path(path);
- if (r < 0 && r != -ENOENT)
- goto finish;
- else if (r > 0) {
- state = path_startswith(*i, "/run") ?
- UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
- r = 0;
- goto finish;
+ 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 = find_symlinks_in_scope(scope, root_dir, name, &state);
- if (r < 0) {
- goto finish;
- } else if (r > 0) {
- r = 0;
- goto finish;
- }
+ if (r < 0)
+ return r;
+ else if (r > 0)
+ return state;
r = unit_file_can_install(&paths, root_dir, path, true);
- if (r < 0 && errno != -ENOENT)
- goto finish;
- else if (r > 0) {
- state = UNIT_FILE_DISABLED;
- r = 0;
- goto finish;
- } else if (r == 0) {
- state = UNIT_FILE_STATIC;
- r = 0;
- goto finish;
- }
+ if (r < 0 && errno != ENOENT)
+ return r;
+ else if (r > 0)
+ return UNIT_FILE_DISABLED;
+ else if (r == 0)
+ return UNIT_FILE_STATIC;
}
-finish:
- lookup_paths_free(&paths);
- free(path);
-
return r < 0 ? r : state;
}
int unit_file_query_preset(UnitFileScope scope, const char *name) {
- char **files, **i;
+ _cleanup_strv_free_ char **files = NULL;
+ char **i;
int r;
assert(scope >= 0);
assert(name);
if (scope == UNIT_FILE_SYSTEM)
- r = conf_files_list(&files, ".preset",
+ r = conf_files_list(&files, ".preset", NULL,
"/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",
+ r = conf_files_list(&files, ".preset", NULL,
"/etc/systemd/user-preset",
"/usr/local/lib/systemd/user-preset",
"/usr/lib/systemd/user-preset",
return r;
STRV_FOREACH(i, files) {
- FILE *f;
+ _cleanup_fclose_ FILE *f;
f = fopen(*i, "re");
if (!f) {
if (errno == ENOENT)
continue;
- r = -errno;
- goto finish;
+ return -errno;
}
for (;;) {
if (!*l)
continue;
- if (strchr(COMMENTS, *l))
+ if (strchr(COMMENTS "\n", *l))
continue;
if (first_word(l, "enable")) {
l += 6;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
- r = 1;
- fclose(f);
- goto finish;
- }
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ return 1;
+
} else if (first_word(l, "disable")) {
l += 7;
l += strspn(l, WHITESPACE);
- if (fnmatch(l, name, FNM_NOESCAPE) == 0) {
- r = 0;
- fclose(f);
- goto finish;
- }
+ if (fnmatch(l, name, FNM_NOESCAPE) == 0)
+ return 0;
+
} else
log_debug("Couldn't parse line '%s'", l);
}
-
- fclose(f);
}
/* Default is "enable" */
- r = 1;
-
-finish:
- strv_free(files);
-
- return r;
+ return 1;
}
int unit_file_preset(
UnitFileChange **changes,
unsigned *n_changes) {
- LookupPaths paths;
- InstallContext plus, minus;
- char **i, *config_path = NULL;
- Set *remove_symlinks_to = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+ 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);
- zero(paths);
- zero(plus);
- zero(minus);
-
r = lookup_paths_init_from_scope(&paths, scope);
if (r < 0)
return r;
r = get_config_path(scope, runtime, root_dir, &config_path);
if (r < 0)
- goto finish;
+ return r;
STRV_FOREACH(i, files) {
- if (!unit_name_is_valid(*i, true)) {
- r = -EINVAL;
- goto finish;
- }
+ if (!unit_name_is_valid(*i, true))
+ return -EINVAL;
r = unit_file_query_preset(scope, *i);
if (r < 0)
- goto finish;
+ return r;
if (r)
r = install_info_add_auto(&plus, *i);
r = install_info_add_auto(&minus, *i);
if (r < 0)
- goto finish;
+ return r;
}
- r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to, config_path, root_dir);
+ 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);
+ q = remove_marked_symlinks(remove_symlinks_to, config_path,
+ changes, n_changes, files);
if (r == 0)
r = q;
/* Returns number of symlinks that where supposed to be installed. */
- q = install_context_apply(&plus, &paths, config_path, root_dir, force, changes, n_changes);
+ q = install_context_apply(&plus, &paths, config_path, root_dir, force,
+ changes, n_changes);
if (r == 0)
r = q;
-finish:
- lookup_paths_free(&paths);
- install_context_done(&plus);
- install_context_done(&minus);
- set_free_free(remove_symlinks_to);
- free(config_path);
-
return r;
}
+static void unitfilelist_free(UnitFileList **f) {
+ if (!*f)
+ return;
+
+ free((*f)->path);
+ free(*f);
+}
+
int unit_file_get_list(
UnitFileScope scope,
const char *root_dir,
Hashmap *h) {
- LookupPaths paths;
- char **i, *buf = NULL;
- DIR *d = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ char **i;
+ _cleanup_free_ char *buf = NULL;
+ _cleanup_closedir_ DIR *d = NULL;
int r;
assert(scope >= 0);
assert(scope < _UNIT_FILE_SCOPE_MAX);
assert(h);
- zero(paths);
-
if (root_dir && scope != UNIT_FILE_SYSTEM)
return -EINVAL;
return r;
STRV_FOREACH(i, paths.unit_path) {
- struct dirent buffer, *de;
const char *units_dir;
free(buf);
buf = NULL;
if (root_dir) {
- if (asprintf(&buf, "%s/%s", root_dir, *i) < 0) {
- r = -ENOMEM;
- goto finish;
- }
+ if (asprintf(&buf, "%s/%s", root_dir, *i) < 0)
+ return -ENOMEM;
+
units_dir = buf;
} else
units_dir = *i;
if (errno == ENOENT)
continue;
- r = -errno;
- goto finish;
+ return -errno;
}
for (;;) {
- UnitFileList *f;
+ struct dirent *de;
+ union dirent_storage buffer;
+ UnitFileList __attribute__((cleanup(unitfilelist_free)))
+ *f = NULL;
- r = readdir_r(d, &buffer, &de);
- if (r != 0) {
- r = -r;
- goto finish;
- }
+ r = readdir_r(d, &buffer.de, &de);
+ if (r != 0)
+ return -r;
if (!de)
break;
if (r == -ENOENT)
continue;
- goto finish;
+ return r;
}
if (de->d_type != DT_LNK && de->d_type != DT_REG)
continue;
f = new0(UnitFileList, 1);
- if (!f) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!f)
+ return -ENOMEM;
f->path = path_make_absolute(de->d_name, units_dir);
- if (!f->path) {
- free(f);
- r = -ENOMEM;
- goto finish;
- }
+ if (!f->path)
+ return -ENOMEM;
r = null_or_empty_path(f->path);
- if (r < 0 && r != -ENOENT) {
- free(f->path);
- free(f);
- goto finish;
- } else if (r > 0) {
+ if (r < 0 && r != -ENOENT)
+ return r;
+ else if (r > 0) {
f->state =
path_startswith(*i, "/run") ?
UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED;
}
r = find_symlinks_in_scope(scope, root_dir, de->d_name, &f->state);
- if (r < 0) {
- free(f->path);
- free(f);
- goto finish;
- } else if (r > 0) {
+ if (r < 0)
+ return r;
+ else if (r > 0) {
f->state = UNIT_FILE_ENABLED;
goto found;
}
r == -EBADMSG || /* Invalid format? */
r == -ENOENT /* Included file not found? */)
f->state = UNIT_FILE_INVALID;
- else if (r < 0) {
- free(f->path);
- free(f);
- goto finish;
- } else if (r > 0)
+ else if (r < 0)
+ return r;
+ else if (r > 0)
f->state = UNIT_FILE_DISABLED;
else
f->state = UNIT_FILE_STATIC;
found:
r = hashmap_put(h, path_get_file_name(f->path), f);
- if (r < 0) {
- free(f->path);
- free(f);
- goto finish;
- }
+ if (r < 0)
+ return r;
+ f = NULL; /* prevent cleanup */
}
}
-finish:
- lookup_paths_free(&paths);
- free(buf);
-
- if (d)
- closedir(d);
-
return r;
}
~ianmdlvl / elogind.git / blobdiff