Пример #1
0
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;
        }
Пример #2
0
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);
        }
Пример #3
0
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;
}