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Diffstat (limited to 'src/shared/install.c')
-rw-r--r--src/shared/install.c346
1 files changed, 215 insertions, 131 deletions
diff --git a/src/shared/install.c b/src/shared/install.c
index 7b49e1ece9..96fba6e25b 100644
--- a/src/shared/install.c
+++ b/src/shared/install.c
@@ -214,8 +214,8 @@ static int path_is_config(const LookupPaths *p, const char *path) {
assert(p);
assert(path);
- /* Note that we do *not* have generic checks for /etc or /run in place, since with them we couldn't discern
- * configuration from transient or generated units */
+ /* Note that we do *not* have generic checks for /etc or /run in place, since with
+ * them we couldn't discern configuration from transient or generated units */
parent = dirname_malloc(path);
if (!parent)
@@ -232,8 +232,8 @@ static int path_is_runtime(const LookupPaths *p, const char *path) {
assert(p);
assert(path);
- /* Everything in /run is considered runtime. On top of that we also add explicit checks for the various runtime
- * directories, as safety net. */
+ /* Everything in /run is considered runtime. On top of that we also add
+ * explicit checks for the various runtime directories, as safety net. */
rpath = skip_root(p, path);
if (rpath && path_startswith(rpath, "/run"))
@@ -393,19 +393,43 @@ void unit_file_dump_changes(int r, const char *verb, const UnitFileChange *chang
log_error_errno(r, "Failed to %s: %m.", verb);
}
+/**
+ * Checks if two paths or symlinks from wd are the same, when root is the root of the filesystem.
+ * wc should be the full path in the host file system.
+ */
+static bool chroot_symlinks_same(const char *root, const char *wd, const char *a, const char *b) {
+ assert(path_is_absolute(wd));
+
+ /* This will give incorrect results if the paths are relative and go outside
+ * of the chroot. False negatives are possible. */
+
+ if (!root)
+ root = "/";
+
+ a = strjoina(path_is_absolute(a) ? root : wd, "/", a);
+ b = strjoina(path_is_absolute(b) ? root : wd, "/", b);
+ return path_equal_or_files_same(a, b);
+}
+
static int create_symlink(
+ const LookupPaths *paths,
const char *old_path,
const char *new_path,
bool force,
UnitFileChange **changes,
unsigned *n_changes) {
- _cleanup_free_ char *dest = NULL;
+ _cleanup_free_ char *dest = NULL, *dirname = NULL;
+ const char *rp;
int r;
assert(old_path);
assert(new_path);
+ rp = skip_root(paths, old_path);
+ if (rp)
+ old_path = rp;
+
/* Actually create a symlink, and remember that we did. Is
* smart enough to check if there's already a valid symlink in
* place.
@@ -436,7 +460,11 @@ static int create_symlink(
return r;
}
- if (path_equal(dest, old_path))
+ dirname = dirname_malloc(new_path);
+ if (!dirname)
+ return -ENOMEM;
+
+ if (chroot_symlinks_same(paths->root_dir, dirname, dest, old_path))
return 1;
if (!force) {
@@ -490,6 +518,7 @@ static int remove_marked_symlinks_fd(
const char *path,
const char *config_path,
const LookupPaths *lp,
+ bool dry_run,
bool *restart,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -538,7 +567,7 @@ static int remove_marked_symlinks_fd(
}
/* This will close nfd, regardless whether it succeeds or not */
- q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, lp, restart, changes, n_changes);
+ q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, lp, dry_run, restart, changes, n_changes);
if (q < 0 && r == 0)
r = q;
@@ -575,14 +604,16 @@ static int remove_marked_symlinks_fd(
if (!found)
continue;
- if (unlinkat(fd, de->d_name, 0) < 0 && errno != ENOENT) {
- if (r == 0)
- r = -errno;
- unit_file_changes_add(changes, n_changes, -errno, p, NULL);
- continue;
- }
+ if (!dry_run) {
+ if (unlinkat(fd, de->d_name, 0) < 0 && errno != ENOENT) {
+ if (r == 0)
+ r = -errno;
+ unit_file_changes_add(changes, n_changes, -errno, p, NULL);
+ continue;
+ }
- (void) rmdir_parents(p, config_path);
+ (void) rmdir_parents(p, config_path);
+ }
unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
@@ -593,7 +624,7 @@ static int remove_marked_symlinks_fd(
q = mark_symlink_for_removal(&remove_symlinks_to, rp ?: p);
if (q < 0)
return q;
- if (q > 0)
+ if (q > 0 && !dry_run)
*restart = true;
}
}
@@ -605,6 +636,7 @@ static int remove_marked_symlinks(
Set *remove_symlinks_to,
const char *config_path,
const LookupPaths *lp,
+ bool dry_run,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -618,9 +650,9 @@ static int remove_marked_symlinks(
if (set_size(remove_symlinks_to) <= 0)
return 0;
- fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
+ fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC);
if (fd < 0)
- return -errno;
+ return errno == ENOENT ? 0 : -errno;
do {
int q, cfd;
@@ -631,7 +663,7 @@ static int remove_marked_symlinks(
return -errno;
/* This takes possession of cfd and closes it */
- q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, lp, &restart, changes, n_changes);
+ q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, lp, dry_run, &restart, changes, n_changes);
if (r == 0)
r = q;
} while (restart);
@@ -777,7 +809,7 @@ static int find_symlinks(
assert(config_path);
assert(same_name_link);
- fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
+ fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC);
if (fd < 0) {
if (IN_SET(errno, ENOENT, ENOTDIR, EACCES))
return 0;
@@ -887,8 +919,8 @@ static int install_info_may_process(
assert(i);
assert(paths);
- /* Checks whether the loaded unit file is one we should process, or is masked, transient or generated and thus
- * not subject to enable/disable operations. */
+ /* Checks whether the loaded unit file is one we should process, or is masked,
+ * transient or generated and thus not subject to enable/disable operations. */
if (i->type == UNIT_FILE_TYPE_MASKED) {
unit_file_changes_add(changes, n_changes, -ERFKILL, i->path, NULL);
@@ -903,10 +935,17 @@ static int install_info_may_process(
return 0;
}
+/**
+ * Adds a new UnitFileInstallInfo entry under name in the InstallContext.will_process
+ * hashmap, or retrieves the existing one if already present.
+ *
+ * Returns negative on error, 0 if the unit was already known, 1 otherwise.
+ */
static int install_info_add(
InstallContext *c,
const char *name,
const char *path,
+ bool auxiliary,
UnitFileInstallInfo **ret) {
UnitFileInstallInfo *i = NULL;
@@ -923,6 +962,8 @@ static int install_info_add(
i = install_info_find(c, name);
if (i) {
+ i->auxiliary = i->auxiliary && auxiliary;
+
if (ret)
*ret = i;
return 0;
@@ -936,6 +977,7 @@ static int install_info_add(
if (!i)
return -ENOMEM;
i->type = _UNIT_FILE_TYPE_INVALID;
+ i->auxiliary = auxiliary;
i->name = strdup(name);
if (!i->name) {
@@ -958,7 +1000,7 @@ static int install_info_add(
if (ret)
*ret = i;
- return 0;
+ return 1;
fail:
install_info_free(i);
@@ -988,7 +1030,7 @@ static int config_parse_alias(
type = unit_name_to_type(name);
if (!unit_type_may_alias(type))
return log_syntax(unit, LOG_WARNING, filename, line, 0,
- "Aliases are not allowed for %s units, ignoring.",
+ "Alias= is not allowed for %s units, ignoring.",
unit_type_to_string(type));
return config_parse_strv(unit, filename, line, section, section_line,
@@ -1007,7 +1049,7 @@ static int config_parse_also(
void *data,
void *userdata) {
- UnitFileInstallInfo *i = userdata;
+ UnitFileInstallInfo *info = userdata, *alsoinfo = NULL;
InstallContext *c = data;
int r;
@@ -1016,7 +1058,7 @@ static int config_parse_also(
assert(rvalue);
for (;;) {
- _cleanup_free_ char *word = NULL;
+ _cleanup_free_ char *word = NULL, *printed = NULL;
r = extract_first_word(&rvalue, &word, NULL, 0);
if (r < 0)
@@ -1024,15 +1066,22 @@ static int config_parse_also(
if (r == 0)
break;
- r = install_info_add(c, word, NULL, NULL);
+ r = install_full_printf(info, word, &printed);
if (r < 0)
return r;
- r = strv_push(&i->also, word);
+ if (!unit_name_is_valid(printed, UNIT_NAME_ANY))
+ return -EINVAL;
+
+ r = install_info_add(c, printed, NULL, true, &alsoinfo);
if (r < 0)
return r;
- word = NULL;
+ r = strv_push(&info->also, printed);
+ if (r < 0)
+ return r;
+
+ printed = NULL;
}
return 0;
@@ -1052,7 +1101,7 @@ static int config_parse_default_instance(
UnitFileInstallInfo *i = data;
const char *name;
- char *printed;
+ _cleanup_free_ char *printed = NULL;
int r;
assert(filename);
@@ -1066,21 +1115,16 @@ static int config_parse_default_instance(
return 0;
if (!unit_name_is_valid(name, UNIT_NAME_TEMPLATE))
return log_syntax(unit, LOG_WARNING, filename, line, 0,
- "DefaultInstance only makes sense for template units, ignoring.");
+ "DefaultInstance= only makes sense for template units, ignoring.");
r = install_full_printf(i, rvalue, &printed);
if (r < 0)
return r;
- if (!unit_instance_is_valid(printed)) {
- free(printed);
+ if (!unit_instance_is_valid(printed))
return -EINVAL;
- }
-
- free(i->default_instance);
- i->default_instance = printed;
- return 0;
+ return free_and_replace(i->default_instance, printed);
}
static int unit_file_load(
@@ -1105,7 +1149,6 @@ static int unit_file_load(
struct stat st;
int r;
- assert(c);
assert(info);
assert(path);
@@ -1134,6 +1177,9 @@ static int unit_file_load(
return 0;
}
+ /* c is only needed if we actually load the file */
+ assert(c);
+
fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
if (fd < 0)
return -errno;
@@ -1158,7 +1204,7 @@ static int unit_file_load(
config_item_table_lookup, items,
true, true, false, info);
if (r < 0)
- return r;
+ return log_debug_errno(r, "Failed to parse %s: %m", info->name);
info->type = UNIT_FILE_TYPE_REGULAR;
@@ -1246,7 +1292,6 @@ static int unit_file_search(
char **p;
int r;
- assert(c);
assert(info);
assert(paths);
@@ -1325,18 +1370,15 @@ static int install_info_follow(
if (!streq(basename(i->symlink_target), i->name))
return -EXDEV;
- free(i->path);
- i->path = i->symlink_target;
- i->symlink_target = NULL;
+ free_and_replace(i->path, i->symlink_target);
i->type = _UNIT_FILE_TYPE_INVALID;
return unit_file_load_or_readlink(c, i, i->path, root_dir, flags);
}
/**
- * Search for the unit file. If the unit name is a symlink,
- * follow the symlink to the target, maybe more than once.
- * Propagate the instance name if present.
+ * Search for the unit file. If the unit name is a symlink, follow the symlink to the
+ * target, maybe more than once. Propagate the instance name if present.
*/
static int install_info_traverse(
UnitFileScope scope,
@@ -1400,7 +1442,7 @@ static int install_info_traverse(
bn = buffer;
}
- r = install_info_add(c, bn, NULL, &i);
+ r = install_info_add(c, bn, NULL, false, &i);
if (r < 0)
return r;
@@ -1421,6 +1463,10 @@ static int install_info_traverse(
return 0;
}
+/**
+ * Call install_info_add() with name_or_path as the path (if name_or_path starts with "/")
+ * or the name (otherwise). root_dir is prepended to the path.
+ */
static int install_info_add_auto(
InstallContext *c,
const LookupPaths *paths,
@@ -1435,9 +1481,9 @@ static int install_info_add_auto(
pp = prefix_roota(paths->root_dir, name_or_path);
- return install_info_add(c, NULL, pp, ret);
+ return install_info_add(c, NULL, pp, false, ret);
} else
- return install_info_add(c, name_or_path, NULL, ret);
+ return install_info_add(c, name_or_path, NULL, false, ret);
}
static int install_info_discover(
@@ -1446,7 +1492,9 @@ static int install_info_discover(
const LookupPaths *paths,
const char *name,
SearchFlags flags,
- UnitFileInstallInfo **ret) {
+ UnitFileInstallInfo **ret,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
UnitFileInstallInfo *i;
int r;
@@ -1456,10 +1504,12 @@ static int install_info_discover(
assert(name);
r = install_info_add_auto(c, paths, name, &i);
- if (r < 0)
- return r;
+ if (r >= 0)
+ r = install_info_traverse(scope, c, paths, i, flags, ret);
- return install_info_traverse(scope, c, paths, i, flags, ret);
+ if (r < 0)
+ unit_file_changes_add(changes, n_changes, r, name, NULL);
+ return r;
}
static int install_info_symlink_alias(
@@ -1479,7 +1529,6 @@ static int install_info_symlink_alias(
STRV_FOREACH(s, i->aliases) {
_cleanup_free_ char *alias_path = NULL, *dst = NULL;
- const char *rp;
q = install_full_printf(i, *s, &dst);
if (q < 0)
@@ -1489,9 +1538,7 @@ static int install_info_symlink_alias(
if (!alias_path)
return -ENOMEM;
- rp = skip_root(paths, i->path);
-
- q = create_symlink(rp ?: i->path, alias_path, force, changes, n_changes);
+ q = create_symlink(paths, i->path, alias_path, force, changes, n_changes);
if (r == 0)
r = q;
}
@@ -1517,7 +1564,14 @@ static int install_info_symlink_wants(
assert(paths);
assert(config_path);
+ if (strv_isempty(list))
+ return 0;
+
if (unit_name_is_valid(i->name, UNIT_NAME_TEMPLATE)) {
+ UnitFileInstallInfo instance = {
+ .type = _UNIT_FILE_TYPE_INVALID,
+ };
+ _cleanup_free_ char *path = NULL;
/* Don't install any symlink if there's no default
* instance configured */
@@ -1529,13 +1583,25 @@ static int install_info_symlink_wants(
if (r < 0)
return r;
+ instance.name = buf;
+ r = unit_file_search(NULL, &instance, paths, SEARCH_FOLLOW_CONFIG_SYMLINKS);
+ if (r < 0)
+ return r;
+
+ path = instance.path;
+ instance.path = NULL;
+
+ if (instance.type == UNIT_FILE_TYPE_MASKED) {
+ unit_file_changes_add(changes, n_changes, -ERFKILL, path, NULL);
+ return -ERFKILL;
+ }
+
n = buf;
} else
n = i->name;
STRV_FOREACH(s, list) {
_cleanup_free_ char *path = NULL, *dst = NULL;
- const char *rp;
q = install_full_printf(i, *s, &dst);
if (q < 0)
@@ -1550,9 +1616,7 @@ static int install_info_symlink_wants(
if (!path)
return -ENOMEM;
- rp = skip_root(paths, i->path);
-
- q = create_symlink(rp ?: i->path, path, true, changes, n_changes);
+ q = create_symlink(paths, i->path, path, true, changes, n_changes);
if (r == 0)
r = q;
}
@@ -1569,7 +1633,6 @@ static int install_info_symlink_link(
unsigned *n_changes) {
_cleanup_free_ char *path = NULL;
- const char *rp;
int r;
assert(i);
@@ -1587,9 +1650,7 @@ static int install_info_symlink_link(
if (!path)
return -ENOMEM;
- rp = skip_root(paths, i->path);
-
- return create_symlink(rp ?: i->path, path, force, changes, n_changes);
+ return create_symlink(paths, i->path, path, force, changes, n_changes);
}
static int install_info_apply(
@@ -1660,8 +1721,21 @@ static int install_context_apply(
return q;
r = install_info_traverse(scope, c, paths, i, flags, NULL);
- if (r < 0)
+ if (r < 0) {
+ unit_file_changes_add(changes, n_changes, r, i->name, NULL);
return r;
+ }
+
+ /* We can attempt to process a masked unit when a different unit
+ * that we were processing specifies it in Also=. */
+ if (i->type == UNIT_FILE_TYPE_MASKED) {
+ unit_file_changes_add(changes, n_changes, UNIT_FILE_IS_MASKED, i->path, NULL);
+ if (r >= 0)
+ /* Assume that something *could* have been enabled here,
+ * avoid "empty [Install] section" warning. */
+ r += 1;
+ continue;
+ }
if (i->type != UNIT_FILE_TYPE_REGULAR)
continue;
@@ -1708,10 +1782,15 @@ static int install_context_mark_for_removal(
return r;
r = install_info_traverse(scope, c, paths, i, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS, NULL);
- if (r == -ENOLINK)
- return 0;
- else if (r < 0)
- return r;
+ if (r == -ENOLINK) {
+ log_debug_errno(r, "Name %s leads to a dangling symlink, ignoring.", i->name);
+ continue;
+ } else if (r == -ENOENT && i->auxiliary) {
+ /* some unit specified in Also= or similar is missing */
+ log_debug_errno(r, "Auxiliary unit %s not found, ignoring.", i->name);
+ continue;
+ } else if (r < 0)
+ return log_debug_errno(r, "Failed to find unit %s: %m", i->name);
if (i->type != UNIT_FILE_TYPE_REGULAR) {
log_debug("Unit %s has type %s, ignoring.",
@@ -1730,10 +1809,9 @@ static int install_context_mark_for_removal(
int unit_file_mask(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -1749,7 +1827,7 @@ int unit_file_mask(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
STRV_FOREACH(i, files) {
_cleanup_free_ char *path = NULL;
@@ -1765,7 +1843,7 @@ int unit_file_mask(
if (!path)
return -ENOMEM;
- q = create_symlink("/dev/null", path, force, changes, n_changes);
+ q = create_symlink(&paths, "/dev/null", path, !!(flags & UNIT_FILE_FORCE), changes, n_changes);
if (q < 0 && r >= 0)
r = q;
}
@@ -1775,7 +1853,7 @@ int unit_file_mask(
int unit_file_unmask(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
@@ -1787,6 +1865,7 @@ int unit_file_unmask(
size_t n_todo = 0, n_allocated = 0;
const char *config_path;
char **i;
+ bool dry_run;
int r, q;
assert(scope >= 0);
@@ -1796,7 +1875,8 @@ int unit_file_unmask(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
+ dry_run = !!(flags & UNIT_FILE_DRY_RUN);
STRV_FOREACH(i, files) {
_cleanup_free_ char *path = NULL;
@@ -1833,7 +1913,7 @@ int unit_file_unmask(
if (!path)
return -ENOMEM;
- if (unlink(path) < 0) {
+ if (!dry_run && unlink(path) < 0) {
if (errno != ENOENT) {
if (r >= 0)
r = -errno;
@@ -1851,7 +1931,7 @@ int unit_file_unmask(
return q;
}
- q = remove_marked_symlinks(remove_symlinks_to, config_path, &paths, changes, n_changes);
+ q = remove_marked_symlinks(remove_symlinks_to, config_path, &paths, dry_run, changes, n_changes);
if (r >= 0)
r = q;
@@ -1860,10 +1940,9 @@ int unit_file_unmask(
int unit_file_link(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -1881,7 +1960,7 @@ int unit_file_link(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
STRV_FOREACH(i, files) {
_cleanup_free_ char *full = NULL;
@@ -1925,14 +2004,12 @@ int unit_file_link(
r = 0;
STRV_FOREACH(i, todo) {
_cleanup_free_ char *new_path = NULL;
- const char *old_path;
- old_path = skip_root(&paths, *i);
new_path = path_make_absolute(basename(*i), config_path);
if (!new_path)
return -ENOMEM;
- q = create_symlink(old_path ?: *i, new_path, force, changes, n_changes);
+ q = create_symlink(&paths, *i, new_path, !!(flags & UNIT_FILE_FORCE), changes, n_changes);
if (q < 0 && r >= 0)
r = q;
}
@@ -1967,7 +2044,6 @@ int unit_file_revert(
unsigned *n_changes) {
_cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
- /* _cleanup_(install_context_done) InstallContext c = {}; */
_cleanup_lookup_paths_free_ LookupPaths paths = {};
_cleanup_strv_free_ char **todo = NULL;
size_t n_todo = 0, n_allocated = 0;
@@ -2105,11 +2181,11 @@ int unit_file_revert(
return q;
}
- q = remove_marked_symlinks(remove_symlinks_to, paths.runtime_config, &paths, changes, n_changes);
+ q = remove_marked_symlinks(remove_symlinks_to, paths.runtime_config, &paths, false, changes, n_changes);
if (r >= 0)
r = q;
- q = remove_marked_symlinks(remove_symlinks_to, paths.persistent_config, &paths, changes, n_changes);
+ q = remove_marked_symlinks(remove_symlinks_to, paths.persistent_config, &paths, false, changes, n_changes);
if (r >= 0)
r = q;
@@ -2118,12 +2194,11 @@ int unit_file_revert(
int unit_file_add_dependency(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
const char *target,
UnitDependency dep,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -2148,9 +2223,10 @@ int unit_file_add_dependency(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
- r = install_info_discover(scope, &c, &paths, target, SEARCH_FOLLOW_CONFIG_SYMLINKS, &target_info);
+ r = install_info_discover(scope, &c, &paths, target, SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &target_info, changes, n_changes);
if (r < 0)
return r;
r = install_info_may_process(target_info, &paths, changes, n_changes);
@@ -2162,7 +2238,8 @@ int unit_file_add_dependency(
STRV_FOREACH(f, files) {
char ***l;
- r = install_info_discover(scope, &c, &paths, *f, SEARCH_FOLLOW_CONFIG_SYMLINKS, &i);
+ r = install_info_discover(scope, &c, &paths, *f, SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, changes, n_changes);
if (r < 0)
return r;
r = install_info_may_process(i, &paths, changes, n_changes);
@@ -2186,15 +2263,14 @@ int unit_file_add_dependency(
return -ENOMEM;
}
- return install_context_apply(scope, &c, &paths, config_path, force, SEARCH_FOLLOW_CONFIG_SYMLINKS, changes, n_changes);
+ return install_context_apply(scope, &c, &paths, config_path, !!(flags & UNIT_FILE_FORCE), SEARCH_FOLLOW_CONFIG_SYMLINKS, changes, n_changes);
}
int unit_file_enable(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -2212,10 +2288,11 @@ int unit_file_enable(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
STRV_FOREACH(f, files) {
- r = install_info_discover(scope, &c, &paths, *f, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS, &i);
+ r = install_info_discover(scope, &c, &paths, *f, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, changes, n_changes);
if (r < 0)
return r;
r = install_info_may_process(i, &paths, changes, n_changes);
@@ -2230,12 +2307,12 @@ int unit_file_enable(
is useful to determine whether the passed files had any
installation data at all. */
- return install_context_apply(scope, &c, &paths, config_path, force, SEARCH_LOAD, changes, n_changes);
+ return install_context_apply(scope, &c, &paths, config_path, !!(flags & UNIT_FILE_FORCE), SEARCH_LOAD, changes, n_changes);
}
int unit_file_disable(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFileChange **changes,
@@ -2255,13 +2332,13 @@ int unit_file_disable(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
STRV_FOREACH(i, files) {
if (!unit_name_is_valid(*i, UNIT_NAME_ANY))
return -EINVAL;
- r = install_info_add(&c, *i, NULL, NULL);
+ r = install_info_add(&c, *i, NULL, false, NULL);
if (r < 0)
return r;
}
@@ -2270,15 +2347,14 @@ int unit_file_disable(
if (r < 0)
return r;
- return remove_marked_symlinks(remove_symlinks_to, config_path, &paths, changes, n_changes);
+ return remove_marked_symlinks(remove_symlinks_to, config_path, &paths, !!(flags & UNIT_FILE_DRY_RUN), changes, n_changes);
}
int unit_file_reenable(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -2293,26 +2369,26 @@ int unit_file_reenable(
n[i] = basename(files[i]);
n[i] = NULL;
- r = unit_file_disable(scope, runtime, root_dir, n, changes, n_changes);
+ r = unit_file_disable(scope, flags, root_dir, n, changes, n_changes);
if (r < 0)
return r;
/* But the enable command with the full name */
- return unit_file_enable(scope, runtime, root_dir, files, force, changes, n_changes);
+ return unit_file_enable(scope, flags, root_dir, files, changes, n_changes);
}
int unit_file_set_default(
UnitFileScope scope,
+ UnitFileFlags flags,
const char *root_dir,
const char *name,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
_cleanup_lookup_paths_free_ LookupPaths paths = {};
_cleanup_(install_context_done) InstallContext c = {};
UnitFileInstallInfo *i;
- const char *new_path, *old_path;
+ const char *new_path;
int r;
assert(scope >= 0);
@@ -2328,17 +2404,15 @@ int unit_file_set_default(
if (r < 0)
return r;
- r = install_info_discover(scope, &c, &paths, name, 0, &i);
+ r = install_info_discover(scope, &c, &paths, name, 0, &i, changes, n_changes);
if (r < 0)
return r;
r = install_info_may_process(i, &paths, changes, n_changes);
if (r < 0)
return r;
- old_path = skip_root(&paths, i->path);
new_path = strjoina(paths.persistent_config, "/" SPECIAL_DEFAULT_TARGET);
-
- return create_symlink(old_path ?: i->path, new_path, force, changes, n_changes);
+ return create_symlink(&paths, i->path, new_path, !!(flags & UNIT_FILE_FORCE), changes, n_changes);
}
int unit_file_get_default(
@@ -2360,7 +2434,8 @@ int unit_file_get_default(
if (r < 0)
return r;
- r = install_info_discover(scope, &c, &paths, SPECIAL_DEFAULT_TARGET, SEARCH_FOLLOW_CONFIG_SYMLINKS, &i);
+ r = install_info_discover(scope, &c, &paths, SPECIAL_DEFAULT_TARGET, SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, NULL, NULL);
if (r < 0)
return r;
r = install_info_may_process(i, &paths, NULL, 0);
@@ -2392,7 +2467,8 @@ static int unit_file_lookup_state(
if (!unit_name_is_valid(name, UNIT_NAME_ANY))
return -EINVAL;
- r = install_info_discover(scope, &c, paths, name, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS, &i);
+ r = install_info_discover(scope, &c, paths, name, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, NULL, NULL);
if (r < 0)
return r;
@@ -2479,7 +2555,7 @@ int unit_file_exists(UnitFileScope scope, const LookupPaths *paths, const char *
if (!unit_name_is_valid(name, UNIT_NAME_ANY))
return -EINVAL;
- r = install_info_discover(scope, &c, paths, name, 0, NULL);
+ r = install_info_discover(scope, &c, paths, name, 0, NULL, NULL, NULL);
if (r == -ENOENT)
return 0;
if (r < 0)
@@ -2660,7 +2736,7 @@ static int execute_preset(
if (r < 0)
return r;
- r = remove_marked_symlinks(remove_symlinks_to, config_path, paths, changes, n_changes);
+ r = remove_marked_symlinks(remove_symlinks_to, config_path, paths, false, changes, n_changes);
} else
r = 0;
@@ -2685,25 +2761,34 @@ static int preset_prepare_one(
InstallContext *plus,
InstallContext *minus,
LookupPaths *paths,
- UnitFilePresetMode mode,
const char *name,
Presets presets,
UnitFileChange **changes,
unsigned *n_changes) {
+ _cleanup_(install_context_done) InstallContext tmp = {};
UnitFileInstallInfo *i;
int r;
- if (install_info_find(plus, name) ||
- install_info_find(minus, name))
+ if (install_info_find(plus, name) || install_info_find(minus, name))
return 0;
+ r = install_info_discover(scope, &tmp, paths, name, SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, changes, n_changes);
+ if (r < 0)
+ return r;
+ if (!streq(name, i->name)) {
+ log_debug("Skipping %s because is an alias for %s", name, i->name);
+ return 0;
+ }
+
r = query_presets(name, presets);
if (r < 0)
return r;
if (r > 0) {
- r = install_info_discover(scope, plus, paths, name, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS, &i);
+ r = install_info_discover(scope, plus, paths, name, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, changes, n_changes);
if (r < 0)
return r;
@@ -2711,18 +2796,18 @@ static int preset_prepare_one(
if (r < 0)
return r;
} else
- r = install_info_discover(scope, minus, paths, name, SEARCH_FOLLOW_CONFIG_SYMLINKS, &i);
+ r = install_info_discover(scope, minus, paths, name, SEARCH_FOLLOW_CONFIG_SYMLINKS,
+ &i, changes, n_changes);
return r;
}
int unit_file_preset(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
char **files,
UnitFilePresetMode mode,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -2741,27 +2826,26 @@ int unit_file_preset(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
r = read_presets(scope, root_dir, &presets);
if (r < 0)
return r;
STRV_FOREACH(i, files) {
- r = preset_prepare_one(scope, &plus, &minus, &paths, mode, *i, presets, changes, n_changes);
+ r = preset_prepare_one(scope, &plus, &minus, &paths, *i, presets, changes, n_changes);
if (r < 0)
return r;
}
- return execute_preset(scope, &plus, &minus, &paths, config_path, files, mode, force, changes, n_changes);
+ return execute_preset(scope, &plus, &minus, &paths, config_path, files, mode, !!(flags & UNIT_FILE_FORCE), changes, n_changes);
}
int unit_file_preset_all(
UnitFileScope scope,
- bool runtime,
+ UnitFileFlags flags,
const char *root_dir,
UnitFilePresetMode mode,
- bool force,
UnitFileChange **changes,
unsigned *n_changes) {
@@ -2780,7 +2864,7 @@ int unit_file_preset_all(
if (r < 0)
return r;
- config_path = runtime ? paths.runtime_config : paths.persistent_config;
+ config_path = (flags & UNIT_FILE_RUNTIME) ? paths.runtime_config : paths.persistent_config;
r = read_presets(scope, root_dir, &presets);
if (r < 0)
@@ -2809,7 +2893,7 @@ int unit_file_preset_all(
continue;
/* we don't pass changes[] in, because we want to handle errors on our own */
- r = preset_prepare_one(scope, &plus, &minus, &paths, mode, de->d_name, presets, NULL, 0);
+ r = preset_prepare_one(scope, &plus, &minus, &paths, de->d_name, presets, NULL, 0);
if (r == -ERFKILL)
r = unit_file_changes_add(changes, n_changes,
UNIT_FILE_IS_MASKED, de->d_name, NULL);
@@ -2821,7 +2905,7 @@ int unit_file_preset_all(
}
}
- return execute_preset(scope, &plus, &minus, &paths, config_path, NULL, mode, force, changes, n_changes);
+ return execute_preset(scope, &plus, &minus, &paths, config_path, NULL, mode, !!(flags & UNIT_FILE_FORCE), changes, n_changes);
}
static void unit_file_list_free_one(UnitFileList *f) {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-22 02:33:07 +0000