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author | Dag-Erling Smørgrav <des@FreeBSD.org> | 2002-06-27 22:31:32 +0000 |
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committer | Dag-Erling Smørgrav <des@FreeBSD.org> | 2002-06-27 22:31:32 +0000 |
commit | 83d2307d00b1f24dddf918c6651fb440d6863bf9 (patch) | |
tree | d93e4bc5fc0a9a5e99878bd93a4d51c873c1a43e /crypto/openssh/auth-sia.c | |
parent | 545d5eca429a5967b3300cb527d49cae8184e79f (diff) | |
download | src-test2-83d2307d00b1f24dddf918c6651fb440d6863bf9.tar.gz src-test2-83d2307d00b1f24dddf918c6651fb440d6863bf9.zip |
Notes
Diffstat (limited to 'crypto/openssh/auth-sia.c')
-rw-r--r-- | crypto/openssh/auth-sia.c | 124 |
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 000000000000..58b17c16f3f6 --- /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 */ |