static int load_config_file(DaemonConfig *c) { int r = -1; AvahiIniFile *f; AvahiIniFileGroup *g; assert(c); if (!(f = avahi_ini_file_load(c->config_file ? c->config_file : AVAHI_CONFIG_FILE))) goto finish; for (g = f->groups; g; g = g->groups_next) { if (strcasecmp(g->name, "server") == 0) { AvahiIniFilePair *p; for (p = g->pairs; p; p = p->pairs_next) { if (strcasecmp(p->key, "host-name") == 0) { avahi_free(c->server_config.host_name); c->server_config.host_name = avahi_strdup(p->value); } else if (strcasecmp(p->key, "domain-name") == 0) { avahi_free(c->server_config.domain_name); c->server_config.domain_name = avahi_strdup(p->value); } else if (strcasecmp(p->key, "browse-domains") == 0) { char **e, **t; e = avahi_split_csv(p->value); for (t = e; *t; t++) { char cleaned[AVAHI_DOMAIN_NAME_MAX]; if (!avahi_normalize_name(*t, cleaned, sizeof(cleaned))) { avahi_log_error("Invalid domain name \"%s\" for key \"%s\" in group \"%s\"\n", *t, p->key, g->name); avahi_strfreev(e); goto finish; } c->server_config.browse_domains = avahi_string_list_add(c->server_config.browse_domains, cleaned); } avahi_strfreev(e); c->server_config.browse_domains = filter_duplicate_domains(c->server_config.browse_domains); } else if (strcasecmp(p->key, "use-ipv4") == 0) c->server_config.use_ipv4 = is_yes(p->value); else if (strcasecmp(p->key, "use-ipv6") == 0) c->server_config.use_ipv6 = is_yes(p->value); else if (strcasecmp(p->key, "check-response-ttl") == 0) c->server_config.check_response_ttl = is_yes(p->value); else if (strcasecmp(p->key, "allow-point-to-point") == 0) c->server_config.allow_point_to_point = is_yes(p->value); else if (strcasecmp(p->key, "use-iff-running") == 0) c->server_config.use_iff_running = is_yes(p->value); else if (strcasecmp(p->key, "disallow-other-stacks") == 0) c->server_config.disallow_other_stacks = is_yes(p->value); else if (strcasecmp(p->key, "host-name-from-machine-id") == 0) { if (*(p->value) == 'y' || *(p->value) == 'Y') { char *machine_id = get_machine_id(); if (machine_id != NULL) { avahi_free(c->server_config.host_name); c->server_config.host_name = machine_id; } } } #ifdef HAVE_DBUS else if (strcasecmp(p->key, "enable-dbus") == 0) { if (*(p->value) == 'w' || *(p->value) == 'W') { c->fail_on_missing_dbus = 0; c->enable_dbus = 1; } else if (*(p->value) == 'y' || *(p->value) == 'Y') { c->fail_on_missing_dbus = 1; c->enable_dbus = 1; } else { c->enable_dbus = 0; } } #endif else if (strcasecmp(p->key, "allow-interfaces") == 0) { char **e, **t; avahi_string_list_free(c->server_config.allow_interfaces); c->server_config.allow_interfaces = NULL; e = avahi_split_csv(p->value); for (t = e; *t; t++) c->server_config.allow_interfaces = avahi_string_list_add(c->server_config.allow_interfaces, *t); avahi_strfreev(e); } else if (strcasecmp(p->key, "deny-interfaces") == 0) { char **e, **t; avahi_string_list_free(c->server_config.deny_interfaces); c->server_config.deny_interfaces = NULL; e = avahi_split_csv(p->value); for (t = e; *t; t++) c->server_config.deny_interfaces = avahi_string_list_add(c->server_config.deny_interfaces, *t); avahi_strfreev(e); } else if (strcasecmp(p->key, "ratelimit-interval-usec") == 0) { AvahiUsec k; if (parse_usec(p->value, &k) < 0) { avahi_log_error("Invalid ratelimit-interval-usec setting %s", p->value); goto finish; } c->server_config.ratelimit_interval = k; } else if (strcasecmp(p->key, "ratelimit-burst") == 0) { unsigned k; if (parse_unsigned(p->value, &k) < 0) { avahi_log_error("Invalid ratelimit-burst setting %s", p->value); goto finish; } c->server_config.ratelimit_burst = k; } else if (strcasecmp(p->key, "cache-entries-max") == 0) { unsigned k; if (parse_unsigned(p->value, &k) < 0) { avahi_log_error("Invalid cache-entries-max setting %s", p->value); goto finish; } c->server_config.n_cache_entries_max = k; #ifdef HAVE_DBUS } else if (strcasecmp(p->key, "clients-max") == 0) { unsigned k; if (parse_unsigned(p->value, &k) < 0) { avahi_log_error("Invalid clients-max setting %s", p->value); goto finish; } c->n_clients_max = k; } else if (strcasecmp(p->key, "objects-per-client-max") == 0) { unsigned k; if (parse_unsigned(p->value, &k) < 0) { avahi_log_error("Invalid objects-per-client-max setting %s", p->value); goto finish; } c->n_objects_per_client_max = k; } else if (strcasecmp(p->key, "entries-per-entry-group-max") == 0) { unsigned k; if (parse_unsigned(p->value, &k) < 0) { avahi_log_error("Invalid entries-per-entry-group-max setting %s", p->value); goto finish; } c->n_entries_per_entry_group_max = k; #endif } else { avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name); goto finish; } } } else if (strcasecmp(g->name, "publish") == 0) { AvahiIniFilePair *p; for (p = g->pairs; p; p = p->pairs_next) { if (strcasecmp(p->key, "publish-addresses") == 0) c->server_config.publish_addresses = is_yes(p->value); else if (strcasecmp(p->key, "publish-hinfo") == 0) c->server_config.publish_hinfo = is_yes(p->value); else if (strcasecmp(p->key, "publish-workstation") == 0) c->server_config.publish_workstation = is_yes(p->value); else if (strcasecmp(p->key, "publish-domain") == 0) c->server_config.publish_domain = is_yes(p->value); else if (strcasecmp(p->key, "publish-resolv-conf-dns-servers") == 0) c->publish_resolv_conf = is_yes(p->value); else if (strcasecmp(p->key, "disable-publishing") == 0) c->server_config.disable_publishing = is_yes(p->value); else if (strcasecmp(p->key, "disable-user-service-publishing") == 0) c->disable_user_service_publishing = is_yes(p->value); else if (strcasecmp(p->key, "add-service-cookie") == 0) c->server_config.add_service_cookie = is_yes(p->value); else if (strcasecmp(p->key, "publish-dns-servers") == 0) { avahi_strfreev(c->publish_dns_servers); c->publish_dns_servers = avahi_split_csv(p->value); } else if (strcasecmp(p->key, "publish-a-on-ipv6") == 0) c->server_config.publish_a_on_ipv6 = is_yes(p->value); else if (strcasecmp(p->key, "publish-aaaa-on-ipv4") == 0) c->server_config.publish_aaaa_on_ipv4 = is_yes(p->value); else { avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name); goto finish; } } } else if (strcasecmp(g->name, "wide-area") == 0) { AvahiIniFilePair *p; for (p = g->pairs; p; p = p->pairs_next) { if (strcasecmp(p->key, "enable-wide-area") == 0) c->server_config.enable_wide_area = is_yes(p->value); else { avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name); goto finish; } } } else if (strcasecmp(g->name, "reflector") == 0) { AvahiIniFilePair *p; for (p = g->pairs; p; p = p->pairs_next) { if (strcasecmp(p->key, "enable-reflector") == 0) c->server_config.enable_reflector = is_yes(p->value); else if (strcasecmp(p->key, "reflect-ipv") == 0) c->server_config.reflect_ipv = is_yes(p->value); else { avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name); goto finish; } } } else if (strcasecmp(g->name, "rlimits") == 0) { AvahiIniFilePair *p; for (p = g->pairs; p; p = p->pairs_next) { if (strcasecmp(p->key, "rlimit-as") == 0) { c->rlimit_as_set = 1; c->rlimit_as = atoi(p->value); } else if (strcasecmp(p->key, "rlimit-core") == 0) { c->rlimit_core_set = 1; c->rlimit_core = atoi(p->value); } else if (strcasecmp(p->key, "rlimit-data") == 0) { c->rlimit_data_set = 1; c->rlimit_data = atoi(p->value); } else if (strcasecmp(p->key, "rlimit-fsize") == 0) { c->rlimit_fsize_set = 1; c->rlimit_fsize = atoi(p->value); } else if (strcasecmp(p->key, "rlimit-nofile") == 0) { c->rlimit_nofile_set = 1; c->rlimit_nofile = atoi(p->value); } else if (strcasecmp(p->key, "rlimit-stack") == 0) { c->rlimit_stack_set = 1; c->rlimit_stack = atoi(p->value); } else if (strcasecmp(p->key, "rlimit-nproc") == 0) { #ifdef RLIMIT_NPROC c->rlimit_nproc_set = 1; c->rlimit_nproc = atoi(p->value); #else avahi_log_error("Ignoring configuration key \"%s\" in group \"%s\"\n", p->key, g->name); #endif } else { avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name); goto finish; } } } else { avahi_log_error("Invalid configuration file group \"%s\".\n", g->name); goto finish; } } r = 0; finish: if (f) avahi_ini_file_free(f); return r; }
AvahiIniFile* avahi_ini_file_load(const char *fname) { AvahiIniFile *f; FILE *fo; AvahiIniFileGroup *group = NULL; unsigned line; assert(fname); if (!(fo = fopen(fname, "r"))) { avahi_log_error("Failed to open file '%s': %s", fname, strerror(errno)); return NULL; } f = avahi_new(AvahiIniFile, 1); AVAHI_LLIST_HEAD_INIT(AvahiIniFileGroup, f->groups); f->n_groups = 0; line = 0; while (!feof(fo)) { char ln[256], *s, *e; AvahiIniFilePair *pair; if (!(fgets(ln, sizeof(ln), fo))) break; line++; s = ln + strspn(ln, " \t"); s[strcspn(s, "\r\n")] = 0; /* Skip comments and empty lines */ if (*s == '#' || *s == '%' || *s == 0) continue; if (*s == '[') { /* new group */ if (!(e = strchr(s, ']'))) { avahi_log_error("Unclosed group header in %s:%u: <%s>", fname, line, s); goto fail; } *e = 0; group = avahi_new(AvahiIniFileGroup, 1); group->name = avahi_strdup(s+1); group->n_pairs = 0; AVAHI_LLIST_HEAD_INIT(AvahiIniFilePair, group->pairs); AVAHI_LLIST_PREPEND(AvahiIniFileGroup, groups, f->groups, group); f->n_groups++; } else { /* Normal assignment */ if (!(e = strchr(s, '='))) { avahi_log_error("Missing assignment in %s:%u: <%s>", fname, line, s); goto fail; } if (!group) { avahi_log_error("Assignment outside group in %s:%u <%s>", fname, line, s); goto fail; } /* Split the key and the value */ *(e++) = 0; pair = avahi_new(AvahiIniFilePair, 1); pair->key = avahi_strdup(s); pair->value = avahi_strdup(e); AVAHI_LLIST_PREPEND(AvahiIniFilePair, pairs, group->pairs, pair); group->n_pairs++; } } fclose(fo); return f; fail: if (fo) fclose(fo); if (f) avahi_ini_file_free(f); return NULL; }