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;
}
