daxi20/smartdns
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Support TLS query.

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This commit is contained in:
Nick Peng
2018-10-14 22:52:45 +08:00
parent f68e4eda1c
commit 4e92267f24
9 changed files with 478 additions and 16 deletions
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27
src/smartdns.c
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@@ -37,6 +37,8 @@
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#define RESOLVE_FILE "/etc/resolv.conf"
#define MAX_LINE_LEN 1024
@@ -175,6 +177,23 @@ errout:
return -1;
}
int smartdns_init_ssl(void)
{
SSL_load_error_strings();
SSL_library_init();
OpenSSL_add_all_algorithms();
return 0;
}
int smartdns_destroy_ssl(void)
{
ERR_free_strings();
EVP_cleanup();
return 0;
}
int smartdns_init(void)
{
int ret;
@@ -198,9 +217,14 @@ int smartdns_init(void)
goto errout;
}
/* tlog_setlogscreen(1); */
//tlog_setlogscreen(1);
tlog_setlevel(dns_conf_log_level);
if (smartdns_init_ssl() != 0) {
tlog(TLOG_ERROR, "init ssl failed.");
goto errout;
}
if (dns_conf_server_num <= 0) {
if (smartdns_load_from_resolv() != 0) {
tlog(TLOG_ERROR, "load dns from resolv failed.");
@@ -247,6 +271,7 @@ void smartdns_exit(void)
dns_server_exit();
dns_client_exit();
fast_ping_exit();
smartdns_destroy_ssl();
tlog_exit();
load_exit();
}