mirror of
https://gitlab.com/openconnect/ocserv.git
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f0067ae0ea
Separated the logging logically from any remaining debugging features. Introduced command line option for logging to stderr only (for systemd and containers). The default log level is set to (2) info. Signed-off-by: Nikos Mavrogiannopoulos <n.mavrogiannopoulos@gmail.com>
129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/*
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* Copyright (C) 2015 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include "../src/ip-util.h"
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#include "../src/ip-util.c"
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int syslog_open = 0;
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static unsigned ip_to_sockaddr(const char *ip, unsigned port, struct sockaddr_storage *ss)
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{
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int ret;
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struct sockaddr_in6 *s6 = (void*)ss;
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struct sockaddr_in *s4 = (void*)ss;
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memset(ss, 0, sizeof(*ss));
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if (strchr(ip, '.') == 0) {
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s6->sin6_family = AF_INET6;
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ret = inet_pton(AF_INET6, ip, &s6->sin6_addr);
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if (ret == 0) {
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fprintf(stderr, "error in inet_pton6(%s)\n", ip);
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exit(1);
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}
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s6->sin6_port = htons(port);
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return sizeof(struct sockaddr_in6);
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} else {
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s4->sin_family = AF_INET;
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ret = inet_pton(AF_INET, ip, &s4->sin_addr);
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if (ret == 0) {
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fprintf(stderr, "error in inet_pton(%s)\n", ip);
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exit(1);
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}
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s4->sin_port = htons(port);
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return sizeof(struct sockaddr_in);
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}
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}
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static void check(const char *ip)
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{
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struct sockaddr_storage ss;
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socklen_t len;
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char *p;
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char buf[128];
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len = ip_to_sockaddr(ip, 443, &ss);
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p = human_addr2((struct sockaddr*)&ss, len, buf, sizeof(buf), 0);
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if (p == NULL) {
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fprintf(stderr, "human_addr2 couldn't convert: %s\n", ip);
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exit(1);
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}
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if (strcmp(ip, buf) != 0) {
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fprintf(stderr, "human_addr2 returned different value (have: %s, expected: %s)\n", buf, ip);
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exit(1);
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}
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}
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static void check_port(const char *ip, unsigned port)
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{
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struct sockaddr_storage ss;
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socklen_t len;
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char *p;
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char buf[128];
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char buf2[128];
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len = ip_to_sockaddr(ip, port, &ss);
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p = human_addr2((struct sockaddr*)&ss, len, buf, sizeof(buf), 1);
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if (p == NULL) {
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fprintf(stderr, "human_addr2 couldn't convert: %s\n", ip);
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exit(1);
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}
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if (strchr(ip, ':') != 0) {
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snprintf(buf2, sizeof(buf2), "[%s]:%u", ip, port);
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} else {
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snprintf(buf2, sizeof(buf2), "%s:%u", ip, port);
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}
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if (strcmp(buf2, buf) != 0) {
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fprintf(stderr, "human_addr2 returned different value (have: %s, expected: %s)\n", buf, buf2);
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exit(1);
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}
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}
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int main(void)
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{
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check("172.18.52.43");
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check("192.168.1.1");
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check("10.100.100.2");
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check("fd4f:edc6:b75:5dfd:3cd9:b8ae:97ec:52da");
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check("fc6f:8eca:d6a2:2559:90e3:1b33:8e6:ae59");
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check("fd44:1f40:e28a:1928:773c:9a1e:76dc:9a1");
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check_port("172.18.52.43", 128);
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check_port("192.168.1.1", 256);
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check_port("10.100.100.2", 443);
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check_port("fd4f:edc6:b75:5dfd:3cd9:b8ae:97ec:52da", 512);
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check_port("fc6f:8eca:d6a2:2559:90e3:1b33:8e6:ae59", 443);
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check_port("fd44:1f40:e28a:1928:773c:9a1e:76dc:9a1", 1024);
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return 0;
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}
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