*/
#include "includes.h"
-RCSID("$OpenBSD: sshd.c,v 1.301 2004/08/11 11:50:09 dtucker Exp $");
+RCSID("$OpenBSD: sshd.c,v 1.308 2005/02/08 22:24:57 dtucker Exp $");
#include <openssl/dh.h>
#include <openssl/bn.h>
/* Name of the server configuration file. */
char *config_file_name = _PATH_SERVER_CONFIG_FILE;
-/*
- * Flag indicating whether IPv4 or IPv6. This can be set on the command line.
- * Default value is AF_UNSPEC means both IPv4 and IPv6.
- */
-int IPv4or6 = AF_UNSPEC;
-
/*
* Debug mode flag. This can be set on the command line. If debug
* mode is enabled, extra debugging output will be sent to the system
static int
drop_connection(int startups)
{
- double p, r;
+ int p, r;
if (startups < options.max_startups_begin)
return 0;
p = 100 - options.max_startups_rate;
p *= startups - options.max_startups_begin;
- p /= (double) (options.max_startups - options.max_startups_begin);
+ p /= options.max_startups - options.max_startups_begin;
p += options.max_startups_rate;
- p /= 100.0;
- r = arc4random() / (double) UINT_MAX;
+ r = arc4random() % 100;
- debug("drop_connection: p %g, r %g", p, r);
+ debug("drop_connection: p %d, r %d", p, r);
return (r < p) ? 1 : 0;
}
usage(void)
{
fprintf(stderr, "%s, %s\n",
- SSH_VERSION, SSLeay_version(SSLEAY_VERSION));
+ SSH_RELEASE, SSLeay_version(SSLEAY_VERSION));
fprintf(stderr,
"usage: sshd [-46Ddeiqt] [-b bits] [-f config_file] [-g login_grace_time]\n"
" [-h host_key_file] [-k key_gen_time] [-o option] [-p port] [-u len]\n"
char ntop[NI_MAXHOST], strport[NI_MAXSERV];
char *line;
int listen_sock, maxfd;
- int startup_p[2], config_s[2];
+ int startup_p[2] = { -1 , -1 }, config_s[2] = { -1 , -1 };
int startups = 0;
Key *key;
Authctxt *authctxt;
while ((opt = getopt(ac, av, "f:p:b:k:h:g:u:o:dDeiqrtQR46")) != -1) {
switch (opt) {
case '4':
- IPv4or6 = AF_INET;
+ options.address_family = AF_INET;
break;
case '6':
- IPv4or6 = AF_INET6;
+ options.address_family = AF_INET6;
break;
case 'f':
config_file_name = optarg;
closefrom(REEXEC_DEVCRYPTO_RESERVED_FD);
SSLeay_add_all_algorithms();
- channel_set_af(IPv4or6);
/*
* Force logging to stderr until we have loaded the private host
SYSLOG_FACILITY_AUTH : options.log_facility,
log_stderr || !inetd_flag);
-#ifdef _AIX
/*
* Unset KRB5CCNAME, otherwise the user's session may inherit it from
* root's environment
*/
- unsetenv("KRB5CCNAME");
-#endif /* _AIX */
+ if (getenv("KRB5CCNAME") != NULL)
+ unsetenv("KRB5CCNAME");
+
#ifdef _UNICOS
/* Cray can define user privs drop all privs now!
* Not needed on PRIV_SU systems!
/* Fill in default values for those options not explicitly set. */
fill_default_server_options(&options);
+ /* set default channel AF */
+ channel_set_af(options.address_family);
+
/* Check that there are no remaining arguments. */
if (optind < ac) {
fprintf(stderr, "Extra argument %s.\n", av[optind]);
exit(1);
}
- debug("sshd version %.100s", SSH_VERSION);
+ debug("sshd version %.100s", SSH_RELEASE);
/* load private host keys */
sensitive_data.host_keys = xmalloc(options.num_host_key_files *
}
/* Initialize the log (it is reinitialized below in case we forked). */
- if (debug_flag && !inetd_flag)
+ if (debug_flag && (!inetd_flag || rexeced_flag))
log_stderr = 1;
log_init(__progname, options.log_level, options.log_facility, log_stderr);
if (num_listen_socks >= MAX_LISTEN_SOCKS)
fatal("Too many listen sockets. "
"Enlarge MAX_LISTEN_SOCKS");
- if (getnameinfo(ai->ai_addr, ai->ai_addrlen,
+ if ((ret = getnameinfo(ai->ai_addr, ai->ai_addrlen,
ntop, sizeof(ntop), strport, sizeof(strport),
- NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
- error("getnameinfo failed");
+ NI_NUMERICHOST|NI_NUMERICSERV)) != 0) {
+ error("getnameinfo failed: %.100s",
+ (ret != EAI_SYSTEM) ? gai_strerror(ret) :
+ strerror(errno));
continue;
}
/* Create socket for listening. */
sock_in = newsock;
sock_out = newsock;
log_init(__progname, options.log_level, options.log_facility, log_stderr);
- close(config_s[0]);
+ if (rexec_flag)
+ close(config_s[0]);
break;
}
}
remote_port = get_remote_port();
remote_ip = get_remote_ipaddr();
+#ifdef SSH_AUDIT_EVENTS
+ audit_connection_from(remote_ip, remote_port);
+#endif
#ifdef LIBWRAP
/* Check whether logins are denied from this host. */
if (packet_connection_is_on_socket()) {
packet_set_nonblocking();
- /* prepare buffers to collect authentication messages */
- buffer_init(&loginmsg);
-
/* allocate authentication context */
authctxt = xmalloc(sizeof(*authctxt));
memset(authctxt, 0, sizeof(*authctxt));
/* XXX global for cleanup, access from other modules */
the_authctxt = authctxt;
+ /* prepare buffer to collect messages to display to user after login */
+ buffer_init(&loginmsg);
+
if (use_privsep)
if (privsep_preauth(authctxt) == 1)
goto authenticated;
- /* prepare buffer to collect messages to display to user after login */
- buffer_init(&loginmsg);
-
/* perform the key exchange */
/* authenticate user and start session */
if (compat20) {
}
authenticated:
+#ifdef SSH_AUDIT_EVENTS
+ audit_event(SSH_AUTH_SUCCESS);
+#endif
+
/*
* In privilege separation, we fork another child and prepare
* file descriptor passing.
finish_pam();
#endif /* USE_PAM */
+#ifdef SSH_AUDIT_EVENTS
+ PRIVSEP(audit_event(SSH_CONNECTION_CLOSE));
+#endif
+
packet_close();
if (use_privsep)
{
if (the_authctxt)
do_cleanup(the_authctxt);
+#ifdef SSH_AUDIT_EVENTS
+ /* done after do_cleanup so it can cancel the PAM auth 'thread' */
+ if (!use_privsep || mm_is_monitor())
+ audit_event(SSH_CONNECTION_ABANDON);
+#endif
_exit(i);
}
andersk / gssapi-openssh.git / blobdiff