Vendor import of OpenSSH 3.3p1.

1 files changed, 124 insertions, 0 deletions

diff --git a/crypto/openssh/auth-sia.c b/crypto/openssh/auth-sia.c
new file mode 100644
index 0000000..58b17c1
--- /dev/null
+++ b/crypto/openssh/auth-sia.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2002 Chris Adams.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+
+#ifdef HAVE_OSF_SIA
+#include "ssh.h"
+#include "auth.h"
+#include "auth-sia.h"
+#include "log.h"
+#include "servconf.h"
+#include "canohost.h"
+
+#include <sia.h>
+#include <siad.h>
+#include <pwd.h>
+#include <signal.h>
+#include <setjmp.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <string.h>
+
+extern ServerOptions options;
+extern int saved_argc;
+extern char **saved_argv;
+
+extern int errno;
+
+int
+auth_sia_password(Authctxt *authctxt, char *pass)
+{
+	int ret;
+	SIAENTITY *ent = NULL;
+	const char *host;
+	char *user = authctxt->user;
+
+	host = get_canonical_hostname(options.verify_reverse_mapping);
+
+	if (!user || !pass || pass[0] == '\0')
+		return(0);
+
+	if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, NULL, 0,
+	    NULL) != SIASUCCESS)
+		return(0);
+
+	if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
+		error("Couldn't authenticate %s from %s", user, host);
+		if (ret & SIASTOP)
+			sia_ses_release(&ent);
+		return(0);
+	}
+
+	sia_ses_release(&ent);
+
+	return(1);
+}
+
+void
+session_setup_sia(char *user, char *tty)
+{
+	struct passwd *pw;
+	SIAENTITY *ent = NULL;
+	const char *host;
+
+	host = get_canonical_hostname (options.verify_reverse_mapping);
+
+	if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, tty, 0,
+	    NULL) != SIASUCCESS) {
+		fatal("sia_ses_init failed");
+	}
+
+	if ((pw = getpwnam(user)) == NULL) {
+		sia_ses_release(&ent);
+		fatal("getpwnam: no user: %s", user);
+	}
+	if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
+		sia_ses_release(&ent);
+		fatal("sia_make_entity_pwd failed");
+	}
+
+	ent->authtype = SIA_A_NONE;
+	if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) {
+		fatal("Couldn't establish session for %s from %s", user,
+		    host);
+	}
+
+	if (setpriority(PRIO_PROCESS, 0, 0) == -1) {
+		sia_ses_release(&ent);
+		fatal("setpriority: %s", strerror (errno));
+	}
+
+	if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) {
+		fatal("Couldn't launch session for %s from %s", user, host);
+	}
+	
+	sia_ses_release(&ent);
+
+	if (setreuid(geteuid(), geteuid()) < 0) {
+		fatal("setreuid: %s", strerror(errno));
+	}
+}
+
+#endif /* HAVE_OSF_SIA */