int image_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_(image_hashmap_freep) Hashmap *images = NULL;
_cleanup_strv_free_ char **l = NULL;
Image *image;
Iterator i;
int r;
assert(bus);
assert(path);
assert(nodes);
images = hashmap_new(&string_hash_ops);
if (!images)
return -ENOMEM;
r = image_discover(images);
if (r < 0)
return r;
HASHMAP_FOREACH(image, images, i) {
char *p;
p = image_bus_path(image->name);
if (!p)
return -ENOMEM;
r = strv_consume(&l, p);
if (r < 0)
return r;
}
static int write_requires_after(FILE *f, const char *opts) {
_cleanup_strv_free_ char **names = NULL, **units = NULL;
_cleanup_free_ char *res = NULL;
char **s;
int r;
assert(f);
assert(opts);
r = fstab_extract_values(opts, "x-systemd.requires", &names);
if (r < 0)
return log_warning_errno(r, "Failed to parse options: %m");
if (r == 0)
return 0;
STRV_FOREACH(s, names) {
char *x;
r = unit_name_mangle_with_suffix(*s, UNIT_NAME_NOGLOB, ".mount", &x);
if (r < 0)
return log_error_errno(r, "Failed to generate unit name: %m");
r = strv_consume(&units, x);
if (r < 0)
return log_oom();
}
static int load_env_file_push(
const char *filename, unsigned line,
const char *key, char *value,
void *userdata) {
char ***m = userdata;
char *p;
int r;
if (!utf8_is_valid(key)) {
_cleanup_free_ char *t = utf8_escape_invalid(key);
log_error("%s:%u: invalid UTF-8 for key '%s', ignoring.", strna(filename), line, t);
return -EINVAL;
}
if (value && !utf8_is_valid(value)) {
_cleanup_free_ char *t = utf8_escape_invalid(value);
log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, t);
return -EINVAL;
}
p = strjoin(key, "=", strempty(value), NULL);
if (!p)
return -ENOMEM;
r = strv_consume(m, p);
if (r < 0)
return r;
free(value);
return 0;
}
int search_acl_groups(char*** dst, const char* path, bool* belong) {
acl_t acl;
assert(path);
assert(belong);
acl = acl_get_file(path, ACL_TYPE_DEFAULT);
if (acl) {
acl_entry_t entry;
int r;
r = acl_get_entry(acl, ACL_FIRST_ENTRY, &entry);
while (r > 0) {
acl_tag_t tag;
gid_t *gid;
char *name;
r = acl_get_tag_type(entry, &tag);
if (r < 0)
break;
if (tag != ACL_GROUP)
goto next;
gid = acl_get_qualifier(entry);
if (!gid)
break;
if (in_gid(*gid) > 0) {
*belong = true;
break;
}
name = gid_to_name(*gid);
if (!name) {
acl_free(acl);
return log_oom();
}
r = strv_consume(dst, name);
if (r < 0) {
acl_free(acl);
return log_oom();
}
next:
r = acl_get_entry(acl, ACL_NEXT_ENTRY, &entry);
}
acl_free(acl);
}
return 0;
}
int config_parse_strv(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 ***sv = data;
const char *word, *state;
size_t l;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue)) {
char **empty;
/* Empty assignment resets the list. As a special rule
* we actually fill in a real empty array here rather
* than NULL, since some code wants to know if
* something was set at all... */
empty = strv_new(NULL, NULL);
if (!empty)
return log_oom();
strv_free(*sv);
*sv = empty;
return 0;
}
FOREACH_WORD_QUOTED(word, l, rvalue, state) {
char *n;
n = strndup(word, l);
if (!n)
return log_oom();
if (!utf8_is_valid(n)) {
log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
continue;
}
r = strv_consume(sv, n);
if (r < 0)
return log_oom();
}
int strv_extend(char ***l, const char *value) {
char *v;
if (!value)
return 0;
v = strdup(value);
if (!v)
return -ENOMEM;
return strv_consume(l, v);
}
static int determine_matches(const char *image, char **l, bool allow_any, char ***ret) {
_cleanup_strv_free_ char **k = NULL;
int r;
/* Determine the matches to apply. If the list is empty we derive the match from the image name. If the list
* contains exactly the "-" we return a wildcard list (which is the empty list), but only if this is expressly
* permitted. */
if (strv_isempty(l)) {
char *prefix;
r = extract_prefix(image, &prefix);
if (r < 0)
return log_error_errno(r, "Failed to extract prefix of image name '%s': %m", image);
if (!arg_quiet)
log_info("(Matching unit files with prefix '%s'.)", prefix);
r = strv_consume(&k, prefix);
if (r < 0)
return log_oom();
} else if (strv_equal(l, STRV_MAKE("-"))) {
if (!allow_any)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Refusing all unit file match.");
if (!arg_quiet)
log_info("(Matching all unit files.)");
} else {
k = strv_copy(l);
if (!k)
return log_oom();
if (!arg_quiet) {
_cleanup_free_ char *joined = NULL;
joined = strv_join(k, "', '");
if (!joined)
return log_oom();
log_info("(Matching unit files with prefixes '%s'.)", joined);
}
}
*ret = TAKE_PTR(k);
return 0;
}
static int generate_path(char **var, char **filenames) {
char **filename;
_cleanup_strv_free_ char **ans = NULL;
int r;
STRV_FOREACH(filename, filenames) {
char *t;
t = dirname_malloc(*filename);
if (!t)
return -ENOMEM;
r = strv_consume(&ans, t);
if (r < 0)
return r;
}
static int driver_list_queued_owners(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
struct kdbus_cmd_name_list cmd = {};
struct kdbus_name_list *name_list;
struct kdbus_cmd_name *name;
_cleanup_strv_free_ char **owners = NULL;
char *arg0;
int r;
r = sd_bus_message_read(m, "s", &arg0);
if (r < 0)
return r;
assert_return(service_name_is_valid(arg0), -EINVAL);
cmd.flags = KDBUS_NAME_LIST_QUEUED;
r = ioctl(bus->input_fd, KDBUS_CMD_NAME_LIST, &cmd);
if (r < 0)
return -errno;
name_list = (struct kdbus_name_list *) ((uint8_t *) bus->kdbus_buffer + cmd.offset);
KDBUS_ITEM_FOREACH(name, name_list, names) {
char *n;
if (name->size <= sizeof(*name))
continue;
if (!streq(name->name, arg0))
continue;
if (asprintf(&n, ":1.%llu", (unsigned long long) name->owner_id) < 0)
return -ENOMEM;
r = strv_consume(&owners, n);
if (r < 0)
return r;
}
int locale_setup(char ***environment) {
char **add;
char *variables[_VARIABLE_MAX] = {};
int r = 0, i;
if (detect_container(NULL) <= 0) {
r = parse_env_file("/proc/cmdline", WHITESPACE,
"locale.LANG", &variables[VARIABLE_LANG],
"locale.LANGUAGE", &variables[VARIABLE_LANGUAGE],
"locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
"locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
"locale.LC_TIME", &variables[VARIABLE_LC_TIME],
"locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
"locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
"locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
"locale.LC_PAPER", &variables[VARIABLE_LC_PAPER],
"locale.LC_NAME", &variables[VARIABLE_LC_NAME],
"locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
"locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
"locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
"locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
NULL);
if (r < 0 && r != -ENOENT)
log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
}
/* Hmm, nothing set on the kernel cmd line? Then let's
* try /etc/locale.conf */
if (r <= 0) {
r = parse_env_file("/etc/locale.conf", NEWLINE,
"LANG", &variables[VARIABLE_LANG],
"LANGUAGE", &variables[VARIABLE_LANGUAGE],
"LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
"LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
"LC_TIME", &variables[VARIABLE_LC_TIME],
"LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
"LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
"LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
"LC_PAPER", &variables[VARIABLE_LC_PAPER],
"LC_NAME", &variables[VARIABLE_LC_NAME],
"LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
"LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
"LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
"LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
NULL);
if (r < 0 && r != -ENOENT)
log_warning("Failed to read /etc/locale.conf: %s", strerror(-r));
}
if (r <= 0) {
r = parse_env_file("/etc/default/locale", NEWLINE,
"LANG", &variables[VARIABLE_LANG],
"LANGUAGE", &variables[VARIABLE_LANGUAGE],
"LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
"LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
"LC_TIME", &variables[VARIABLE_LC_TIME],
"LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
"LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
"LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
"LC_PAPER", &variables[VARIABLE_LC_PAPER],
"LC_NAME", &variables[VARIABLE_LC_NAME],
"LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
"LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
"LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
"LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
NULL);
if (r < 0 && r != -ENOENT)
log_warning("Failed to read /etc/default/locale: %s", strerror(-r));
}
add = NULL;
for (i = 0; i < _VARIABLE_MAX; i++) {
char *s;
if (!variables[i])
continue;
s = strjoin(variable_names[i], "=", variables[i], NULL);
if (!s) {
r = -ENOMEM;
goto finish;
}
if (strv_consume(&add, s) < 0) {
r = -ENOMEM;
goto finish;
}
}
if (!strv_isempty(add)) {
char **e;
e = strv_env_merge(2, *environment, add);
if (!e) {
r = -ENOMEM;
goto finish;
}
strv_free(*environment);
*environment = e;
}
r = 0;
finish:
strv_free(add);
for (i = 0; i < _VARIABLE_MAX; i++)
free(variables[i]);
return r;
}
int pull_find_old_etags(
const char *url,
const char *image_root,
int dt,
const char *prefix,
const char *suffix,
char ***etags) {
_cleanup_free_ char *escaped_url = NULL;
_cleanup_closedir_ DIR *d = NULL;
_cleanup_strv_free_ char **l = NULL;
struct dirent *de;
int r;
assert(url);
assert(etags);
if (!image_root)
image_root = "/var/lib/machines";
escaped_url = xescape(url, FILENAME_ESCAPE);
if (!escaped_url)
return -ENOMEM;
d = opendir(image_root);
if (!d) {
if (errno == ENOENT) {
*etags = NULL;
return 0;
}
return -errno;
}
FOREACH_DIRENT_ALL(de, d, return -errno) {
const char *a, *b;
char *u;
if (de->d_type != DT_UNKNOWN &&
de->d_type != dt)
continue;
if (prefix) {
a = startswith(de->d_name, prefix);
if (!a)
continue;
} else
a = de->d_name;
a = startswith(a, escaped_url);
if (!a)
continue;
a = startswith(a, ".");
if (!a)
continue;
if (suffix) {
b = endswith(de->d_name, suffix);
if (!b)
continue;
} else
b = strchr(de->d_name, 0);
if (a >= b)
continue;
r = cunescape_length(a, b - a, 0, &u);
if (r < 0)
return r;
if (!http_etag_is_valid(u)) {
free(u);
continue;
}
r = strv_consume(&l, u);
if (r < 0)
return r;
}
*etags = l;
l = NULL;
return 0;
}
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
assert(key);
if (streq(key, "systemd.mask")) {
if (!value)
log_error("Missing argument for systemd.mask= kernel command line parameter.");
else {
char *n;
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_mask, n);
if (r < 0)
return log_oom();
}
} else if (streq(key, "systemd.wants")) {
if (!value)
log_error("Missing argument for systemd.want= kernel command line parameter.");
else {
char *n;
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_wants, n);
if (r < 0)
return log_oom();
}
} else if (streq(key, "systemd.debug-shell")) {
if (value) {
r = parse_boolean(value);
if (r < 0)
log_error("Failed to parse systemd.debug-shell= argument '%s', ignoring.", value);
else
arg_debug_shell = r;
} else
arg_debug_shell = true;
} else if (streq(key, "systemd.unit")) {
if (!value)
log_error("Missing argument for systemd.unit= kernel command line parameter.");
else {
r = free_and_strdup(&arg_default_unit, value);
if (r < 0)
return log_error_errno(r, "Failed to set default unit %s: %m", value);
}
} else if (!value) {
const char *target;
target = runlevel_to_target(key);
if (target) {
r = free_and_strdup(&arg_default_unit, target);
if (r < 0)
return log_error_errno(r, "Failed to set default unit %s: %m", target);
}
}
return 0;
}
int acl_search_groups(const char *path, char ***ret_groups) {
_cleanup_strv_free_ char **g = NULL;
_cleanup_(acl_freep) acl_t acl = NULL;
bool ret = false;
acl_entry_t entry;
int r;
assert(path);
acl = acl_get_file(path, ACL_TYPE_DEFAULT);
if (!acl)
return -errno;
r = acl_get_entry(acl, ACL_FIRST_ENTRY, &entry);
for (;;) {
_cleanup_(acl_free_gid_tpp) gid_t *gid = NULL;
acl_tag_t tag;
if (r < 0)
return -errno;
if (r == 0)
break;
if (acl_get_tag_type(entry, &tag) < 0)
return -errno;
if (tag != ACL_GROUP)
goto next;
gid = acl_get_qualifier(entry);
if (!gid)
return -errno;
if (in_gid(*gid) > 0) {
if (!ret_groups)
return true;
ret = true;
}
if (ret_groups) {
char *name;
name = gid_to_name(*gid);
if (!name)
return -ENOMEM;
r = strv_consume(&g, name);
if (r < 0)
return r;
}
next:
r = acl_get_entry(acl, ACL_NEXT_ENTRY, &entry);
}
if (ret_groups)
*ret_groups = TAKE_PTR(g);
return ret;
}
