static int
options_apply(ProxyContext * const proxy_context)
{
if (proxy_context->resolver_ip == NULL ||
*proxy_context->resolver_ip == 0) {
logger_noformat(proxy_context, LOG_ERR, "Resolver IP address required");
#ifdef _WIN32
logger_noformat(proxy_context, LOG_ERR,
"Consult http://dnscrypt.org for details.");
#else
logger_noformat(proxy_context, LOG_ERR,
"Please consult the dnscrypt-proxy(8) man page for details.");
#endif
exit(1);
}
if (proxy_context->provider_name == NULL ||
*proxy_context->provider_name == 0) {
logger_noformat(proxy_context, LOG_ERR, "Provider name required");
exit(1);
}
if (options_check_protocol_versions(proxy_context->provider_name) != 0) {
logger_noformat(proxy_context, LOG_ERR,
"Unsupported server protocol version");
exit(1);
}
if (proxy_context->provider_publickey_s == NULL) {
logger_noformat(proxy_context, LOG_ERR, "Provider key required");
exit(1);
}
if (dnscrypt_fingerprint_to_key(proxy_context->provider_publickey_s,
proxy_context->provider_publickey) != 0) {
logger_noformat(proxy_context, LOG_ERR, "Invalid provider key");
exit(1);
}
if (proxy_context->daemonize) {
do_daemonize();
}
#ifndef _WIN32
if (proxy_context->pid_file != NULL &&
pid_file_create(proxy_context->pid_file,
proxy_context->user_id != (uid_t) 0) != 0) {
logger_error(proxy_context, "Unable to create pid file");
}
#endif
if (proxy_context->log_file != NULL &&
(proxy_context->log_fd = open(proxy_context->log_file,
O_WRONLY | O_APPEND | O_CREAT,
(mode_t) 0600)) == -1) {
logger_error(proxy_context, "Unable to open log file");
exit(1);
}
if (proxy_context->log_fd == -1 && proxy_context->daemonize) {
logger_open_syslog(proxy_context);
}
return 0;
}
static int
options_apply(ProxyContext * const proxy_context)
{
if (proxy_context->resolver_ip == NULL) {
options_usage();
exit(1);
}
if (proxy_context->provider_name == NULL ||
*proxy_context->provider_name == 0) {
logger_noformat(proxy_context, LOG_ERR, "Provider name required");
exit(1);
}
if (proxy_context->provider_publickey_s == NULL) {
logger_noformat(proxy_context, LOG_ERR, "Provider key required");
exit(1);
}
if (dnscrypt_fingerprint_to_key(proxy_context->provider_publickey_s,
proxy_context->provider_publickey) != 0) {
logger_noformat(proxy_context, LOG_ERR, "Invalid provider key");
exit(1);
}
if (proxy_context->daemonize) {
do_daemonize();
}
#ifndef _WIN32
if (proxy_context->pid_file != NULL &&
pid_file_create(proxy_context->pid_file,
proxy_context->user_id != (uid_t) 0) != 0) {
logger_error(proxy_context, "Unable to create pid file");
}
#endif
if (proxy_context->log_file != NULL &&
(proxy_context->log_fd = open(proxy_context->log_file,
O_WRONLY | O_APPEND | O_CREAT,
(mode_t) 0600)) == -1) {
logger_error(proxy_context, "Unable to open log file");
exit(1);
}
if (proxy_context->log_fd == -1 && proxy_context->daemonize) {
logger_open_syslog(proxy_context);
}
return 0;
}
static int
options_apply(ProxyContext * const proxy_context)
{
if (proxy_context->client_key_file != NULL) {
if (proxy_context->ephemeral_keys != 0) {
logger_noformat(proxy_context, LOG_ERR,
"--client-key and --ephemeral-keys are mutually exclusive");
exit(1);
}
if (options_use_client_key_file(proxy_context) != 0) {
logger(proxy_context, LOG_ERR,
"Client key file [%s] could not be used", proxy_context->client_key_file);
exit(1);
}
}
if (proxy_context->resolver_name != NULL) {
if (proxy_context->resolvers_list == NULL) {
logger_noformat(proxy_context, LOG_ERR,
"Resolvers list (-L command-line switch) required");
exit(1);
}
if (options_use_resolver_name(proxy_context) != 0) {
logger(proxy_context, LOG_ERR,
"Resolver name (-R command-line switch) required. "
"See [%s] for a list of public resolvers.",
proxy_context->resolvers_list);
exit(1);
}
}
if (proxy_context->resolver_ip == NULL ||
*proxy_context->resolver_ip == 0 ||
proxy_context->provider_name == NULL ||
*proxy_context->provider_name == 0 ||
proxy_context->provider_publickey_s == NULL ||
*proxy_context->provider_publickey_s == 0) {
logger_noformat(proxy_context, LOG_ERR,
"Resolver information required.");
logger_noformat(proxy_context, LOG_ERR,
"The easiest way to do so is to provide a resolver name.");
logger_noformat(proxy_context, LOG_ERR,
"Example: dnscrypt-proxy -R mydnsprovider");
logger(proxy_context, LOG_ERR,
"See the file [%s] for a list of compatible public resolvers",
proxy_context->resolvers_list);
logger_noformat(proxy_context, LOG_ERR,
"The name is the first column in this table.");
logger_noformat(proxy_context, LOG_ERR,
"Alternatively, an IP address, a provider name "
"and a provider key can be supplied.");
#ifdef _WIN32
logger_noformat(proxy_context, LOG_ERR,
"Consult https://dnscrypt.org "
"and https://github.com/jedisct1/dnscrypt-proxy/blob/master/README-WINDOWS.markdown "
"for details.");
#else
logger_noformat(proxy_context, LOG_ERR,
"Please consult https://dnscrypt.org "
"and the dnscrypt-proxy(8) man page for details.");
#endif
exit(1);
}
if (proxy_context->provider_name == NULL ||
*proxy_context->provider_name == 0) {
logger_noformat(proxy_context, LOG_ERR, "Provider name required");
exit(1);
}
if (options_check_protocol_versions(proxy_context->provider_name) != 0) {
logger_noformat(proxy_context, LOG_ERR,
"Unsupported server protocol version");
exit(1);
}
if (proxy_context->provider_publickey_s == NULL) {
logger_noformat(proxy_context, LOG_ERR, "Provider key required");
exit(1);
}
if (dnscrypt_fingerprint_to_key(proxy_context->provider_publickey_s,
proxy_context->provider_publickey) != 0) {
logger_noformat(proxy_context, LOG_ERR, "Invalid provider key");
exit(1);
}
if (proxy_context->daemonize != 0) {
if (proxy_context->log_file == NULL) {
proxy_context->syslog = 1;
}
do_daemonize();
}
#ifndef _WIN32
if (proxy_context->pid_file != NULL &&
pid_file_create(proxy_context->pid_file,
proxy_context->user_id != (uid_t) 0) != 0) {
logger_error(proxy_context, "Unable to create pid file");
exit(1);
}
#endif
if (proxy_context->log_file != NULL && proxy_context->syslog != 0) {
logger_noformat(proxy_context, LOG_ERR,
"--logfile and --syslog are mutually exclusive");
exit(1);
}
if (proxy_context->log_file != NULL &&
(proxy_context->log_fp = fopen(proxy_context->log_file, "a")) == NULL) {
logger_error(proxy_context, "Unable to open log file");
exit(1);
}
if (proxy_context->syslog != 0) {
assert(proxy_context->log_fp == NULL);
logger_open_syslog(proxy_context);
}
return 0;
}