static int search_and_fopen_internal(const char *path, const char *mode, const char *root, char **search, FILE **_f) {
char **i;
assert(path);
assert(mode);
assert(_f);
if (!path_strv_resolve_uniq(search, root))
return -ENOMEM;
STRV_FOREACH(i, search) {
_cleanup_free_ char *p = NULL;
FILE *f;
if (root)
p = strjoin(root, *i, "/", path, NULL);
else
p = strjoin(*i, "/", path, NULL);
if (!p)
return -ENOMEM;
f = fopen(p, mode);
if (f) {
*_f = f;
return 0;
}
if (errno != ENOENT)
return -errno;
}
static int conf_files_list_strv_internal(char ***strv, const char *suffix, const char *root, char **dirs) {
_cleanup_hashmap_free_ Hashmap *fh = NULL;
char **files, **p;
int r;
assert(strv);
assert(suffix);
/* This alters the dirs string array */
if (!path_strv_resolve_uniq(dirs, root))
return -ENOMEM;
fh = hashmap_new(&string_hash_ops);
if (!fh)
return -ENOMEM;
STRV_FOREACH(p, dirs) {
r = files_add(fh, root, *p, suffix);
if (r == -ENOMEM)
return r;
if (r < 0)
log_debug_errno(r, "Failed to search for files in %s, ignoring: %m", *p);
}
int lookup_paths_init(
LookupPaths *p,
SystemdRunningAs running_as,
bool personal,
const char *root_dir,
const char *generator,
const char *generator_early,
const char *generator_late) {
const char *e;
bool append = false; /* Add items from SYSTEMD_UNIT_PATH before normal directories */
assert(p);
/* First priority is whatever has been passed to us via env
* vars */
e = getenv("SYSTEMD_UNIT_PATH");
if (e) {
if (endswith(e, ":")) {
e = strndupa(e, strlen(e) - 1);
append = true;
}
/* FIXME: empty components in other places should be
* rejected. */
p->unit_path = path_split_and_make_absolute(e);
if (!p->unit_path)
return -ENOMEM;
} else
p->unit_path = NULL;
if (!p->unit_path || append) {
/* Let's figure something out. */
_cleanup_strv_free_ char **unit_path;
int r;
/* For the user units we include share/ in the search
* path in order to comply with the XDG basedir spec.
* For the system stuff we avoid such nonsense. OTOH
* we include /lib in the search path for the system
* stuff but avoid it for user stuff. */
if (running_as == SYSTEMD_USER) {
if (personal)
unit_path = user_dirs(generator, generator_early, generator_late);
else
unit_path = strv_new(
/* If you modify this you also want to modify
* systemduserunitpath= in systemd.pc.in, and
* the arrays in user_dirs() above! */
STRV_IFNOTNULL(generator_early),
USER_CONFIG_UNIT_PATH,
"/etc/systemd/user",
"/run/systemd/user",
STRV_IFNOTNULL(generator),
"/usr/local/lib/systemd/user",
"/usr/local/share/systemd/user",
USER_DATA_UNIT_PATH,
"/usr/lib/systemd/user",
"/usr/share/systemd/user",
STRV_IFNOTNULL(generator_late),
NULL);
} else
unit_path = strv_new(
/* If you modify this you also want to modify
* systemdsystemunitpath= in systemd.pc.in! */
STRV_IFNOTNULL(generator_early),
SYSTEM_CONFIG_UNIT_PATH,
"/etc/systemd/system",
"/run/systemd/system",
STRV_IFNOTNULL(generator),
"/usr/local/lib/systemd/system",
SYSTEM_DATA_UNIT_PATH,
"/usr/lib/systemd/system",
#ifdef HAVE_SPLIT_USR
"/lib/systemd/system",
#endif
STRV_IFNOTNULL(generator_late),
NULL);
if (!unit_path)
return -ENOMEM;
r = strv_extend_strv(&p->unit_path, unit_path);
if (r < 0)
return r;
}
if (!path_strv_resolve_uniq(p->unit_path, root_dir))
return -ENOMEM;
if (!strv_isempty(p->unit_path)) {
_cleanup_free_ char *t = strv_join(p->unit_path, "\n\t");
if (!t)
return -ENOMEM;
log_debug("Looking for unit files in (higher priority first):\n\t%s", t);
} else {
log_debug("Ignoring unit files.");
strv_free(p->unit_path);
p->unit_path = NULL;
}
if (running_as == SYSTEMD_SYSTEM) {
#ifdef HAVE_SYSV_COMPAT
/* /etc/init.d/ compatibility does not matter to users */
e = getenv("SYSTEMD_SYSVINIT_PATH");
if (e) {
p->sysvinit_path = path_split_and_make_absolute(e);
if (!p->sysvinit_path)
return -ENOMEM;
} else
p->sysvinit_path = NULL;
if (strv_isempty(p->sysvinit_path)) {
strv_free(p->sysvinit_path);
p->sysvinit_path = strv_new(
SYSTEM_SYSVINIT_PATH, /* /etc/init.d/ */
NULL);
if (!p->sysvinit_path)
return -ENOMEM;
}
e = getenv("SYSTEMD_SYSVRCND_PATH");
if (e) {
p->sysvrcnd_path = path_split_and_make_absolute(e);
if (!p->sysvrcnd_path)
return -ENOMEM;
} else
p->sysvrcnd_path = NULL;
if (strv_isempty(p->sysvrcnd_path)) {
strv_free(p->sysvrcnd_path);
p->sysvrcnd_path = strv_new(
SYSTEM_SYSVRCND_PATH, /* /etc/rcN.d/ */
NULL);
if (!p->sysvrcnd_path)
return -ENOMEM;
}
if (!path_strv_resolve_uniq(p->sysvinit_path, root_dir))
return -ENOMEM;
if (!path_strv_resolve_uniq(p->sysvrcnd_path, root_dir))
return -ENOMEM;
if (!strv_isempty(p->sysvinit_path)) {
_cleanup_free_ char *t = strv_join(p->sysvinit_path, "\n\t");
if (!t)
return -ENOMEM;
log_debug("Looking for SysV init scripts in:\n\t%s", t);
} else {
log_debug("Ignoring SysV init scripts.");
strv_free(p->sysvinit_path);
p->sysvinit_path = NULL;
}
if (!strv_isempty(p->sysvrcnd_path)) {
_cleanup_free_ char *t =
strv_join(p->sysvrcnd_path, "\n\t");
if (!t)
return -ENOMEM;
log_debug("Looking for SysV rcN.d links in:\n\t%s", t);
} else {
log_debug("Ignoring SysV rcN.d links.");
strv_free(p->sysvrcnd_path);
p->sysvrcnd_path = NULL;
}
#else
log_debug("SysV init scripts and rcN.d links support disabled");
#endif
}
return 0;
}