mirror of https://github.com/BOINC/boinc.git
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC 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.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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#include "cpp.h"
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#ifdef _WIN32
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#include "boinc_win.h"
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#else
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#include "config.h"
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#include <cstdio>
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#include <cstring>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#if HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#if HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#if HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#endif
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#ifdef __APPLE__
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#include <Carbon/Carbon.h>
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#endif
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#include "str_util.h"
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#include "str_replace.h"
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#include "parse.h"
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#include "util.h"
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#include "file_names.h"
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#include "client_msgs.h"
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#include "error_numbers.h"
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#include "hostinfo.h"
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// get domain name and IP address of this host
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//
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int HOST_INFO::get_local_network_info() {
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struct sockaddr_storage s;
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strcpy(domain_name, "");
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strcpy(ip_addr, "");
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// it seems like we should use getdomainname() instead of gethostname(),
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// but on FC6 it returns "(none)".
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//
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if (gethostname(domain_name, 256)) {
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return ERR_GETHOSTBYNAME;
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}
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int retval = resolve_hostname(domain_name, s);
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if (retval) return retval;
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#ifdef _WIN32
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sockaddr_in* sin = (sockaddr_in*)&s;
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strlcpy(ip_addr, inet_ntoa(sin->sin_addr), sizeof(ip_addr));
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#else
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if (s.ss_family == AF_INET) {
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sockaddr_in* sin = (sockaddr_in*)&s;
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inet_ntop(AF_INET, (void*)(&sin->sin_addr), ip_addr, 256);
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} else {
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sockaddr_in6* sin = (sockaddr_in6*)&s;
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inet_ntop(AF_INET6, (void*)(&sin->sin6_addr), ip_addr, 256);
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}
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#endif
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return 0;
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}
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// make a random string using time of day and host info.
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// Not recommended for password generation;
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// use as a last resort if more secure methods fail
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//
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void HOST_INFO::make_random_string(const char* salt, char* out) {
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char buf[1024];
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sprintf(buf, "%.15e%s%s%f%s", dtime(), domain_name, ip_addr, d_free, salt);
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md5_block((const unsigned char*) buf, (int)strlen(buf), out);
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}
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// make a host cross-project ID.
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// Should be unique across hosts with very high probability
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//
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void HOST_INFO::generate_host_cpid() {
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make_random_string("", host_cpid);
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}
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