*
* Copyright (C) 1992-2001 Andrew Tridgell <tridge@samba.org>
* Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2002, 2003, 2004 Wayne Davison
+ * Copyright (C) 2002-2009 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ * with this program; if not, visit the http://fsf.org website.
*/
/*
initialised = 1;
if (am_server) { /* daemon over --rsh mode */
- strcpy(addr_buf, "0.0.0.0");
+ strlcpy(addr_buf, "0.0.0.0", sizeof addr_buf);
if ((ssh_info = getenv("SSH_CONNECTION")) != NULL
|| (ssh_info = getenv("SSH_CLIENT")) != NULL
|| (ssh_info = getenv("SSH2_CLIENT")) != NULL) {
if (initialised)
return name_buf;
- strcpy(name_buf, default_name);
+ strlcpy(name_buf, default_name, sizeof name_buf);
initialised = 1;
memset(&ss, 0, sizeof ss);
struct addrinfo hint, *answer;
int err;
+ if (strcmp(addr, "0.0.0.0") == 0)
+ return name_buf;
+
memset(&hint, 0, sizeof hint);
#ifdef AI_NUMERICHOST
memcpy(&ss, answer->ai_addr, ss_len);
break;
#endif
+ default:
+ exit_cleanup(RERR_SOCKETIO);
}
freeaddrinfo(answer);
} else {
if (lookup_name(fd, &ss, ss_len, name_buf, sizeof name_buf,
port_buf, sizeof port_buf) == 0)
- check_name(fd, &ss, name_buf);
+ check_name(fd, &ss, name_buf, sizeof name_buf);
return name_buf;
}
**/
int lookup_name(int fd, const struct sockaddr_storage *ss,
socklen_t ss_len,
- char *name_buf, size_t name_buf_len,
- char *port_buf, size_t port_buf_len)
+ char *name_buf, size_t name_buf_size,
+ char *port_buf, size_t port_buf_size)
{
int name_err;
/* reverse lookup */
name_err = getnameinfo((struct sockaddr *) ss, ss_len,
- name_buf, name_buf_len,
- port_buf, port_buf_len,
+ name_buf, name_buf_size,
+ port_buf, port_buf_size,
NI_NAMEREQD | NI_NUMERICSERV);
if (name_err != 0) {
- strcpy(name_buf, default_name);
+ strlcpy(name_buf, default_name, name_buf_size);
rprintf(FLOG, "name lookup failed for %s: %s\n",
client_addr(fd), gai_strerror(name_err));
return name_err;
if (ai->ai_addrlen < sizeof (struct sockaddr_in6)) {
rprintf(FLOG, "%s: too short sockaddr_in6; length=%d\n",
- fn, ai->ai_addrlen);
+ fn, (int)ai->ai_addrlen);
return 1;
}
**/
int check_name(int fd,
const struct sockaddr_storage *ss,
- char *name_buf)
+ char *name_buf, size_t name_buf_size)
{
struct addrinfo hints, *res, *res0;
int error;
if (error) {
rprintf(FLOG, "forward name lookup for %s failed: %s\n",
name_buf, gai_strerror(error));
- strcpy(name_buf, default_name);
+ strlcpy(name_buf, default_name, name_buf_size);
return error;
}
* address that was the same as ss. */
rprintf(FLOG, "no known address for \"%s\": "
"spoofed address?\n", name_buf);
- strcpy(name_buf, default_name);
+ strlcpy(name_buf, default_name, name_buf_size);
} else if (res == NULL) {
/* We hit the end of the list without finding an
* address that was the same as ss. */
rprintf(FLOG, "%s is not a known address for \"%s\": "
"spoofed address?\n", client_addr(fd), name_buf);
- strcpy(name_buf, default_name);
+ strlcpy(name_buf, default_name, name_buf_size);
}
freeaddrinfo(res0);