зеркало из https://github.com/Azure/sonic-openssh.git
- (djm) Split out and improve OSF SIA auth code. Patch from Chris Adams
<cmadams@hiwaay.net> with a little modification and KNF.
This commit is contained in:
Damien Miller
Родитель
116b6bdda8
Коммит
92ddb7d6f0
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@ -6,6 +6,8 @@
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from Nalin Dahyabhai <nalin@redhat.com>
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- (bal) Missing function prototype in bsd-snprintf.c patch by
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Mark Miller <markm@swoon.net>
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- (djm) Split out and improve OSF SIA auth code. Patch from Chris Adams
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<cmadams@hiwaay.net> with a little modification and KNF.
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20010213
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- (djm) Only test -S potential EGD sockets if they exist and are readable.
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@ -3922,4 +3924,4 @@
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- Wrote replacements for strlcpy and mkdtemp
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- Released 1.0pre1
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$Id: ChangeLog,v 1.757 2001/02/13 14:05:59 mouring Exp $
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$Id: ChangeLog,v 1.758 2001/02/13 14:25:23 djm Exp $
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@ -1,4 +1,4 @@
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# $Id: Makefile.in,v 1.150 2001/02/09 13:40:03 djm Exp $
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# $Id: Makefile.in,v 1.151 2001/02/13 14:25:23 djm Exp $
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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@ -48,7 +48,7 @@ LIBSSH_OBJS=atomicio.o authfd.o authfile.o bufaux.o buffer.o canohost.o channels
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SSHOBJS= ssh.o sshconnect.o sshconnect1.o sshconnect2.o log-client.o readconf.o clientloop.o
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SSHDOBJS= sshd.o auth.o auth1.o auth2.o auth-chall.o auth2-chall.o auth-rhosts.o auth-options.o auth-krb4.o auth-pam.o auth2-pam.o auth-passwd.o auth-rsa.o auth-rh-rsa.o dh.o pty.o log-server.o login.o loginrec.o servconf.o serverloop.o md5crypt.o session.o groupaccess.o
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SSHDOBJS= sshd.o auth.o auth1.o auth2.o auth-chall.o auth2-chall.o auth-rhosts.o auth-options.o auth-krb4.o auth-pam.o auth2-pam.o auth-passwd.o auth-rsa.o auth-rh-rsa.o auth-sia.o dh.o pty.o log-server.o login.o loginrec.o servconf.o serverloop.o md5crypt.o session.o groupaccess.o
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TROFFMAN = scp.1 ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh.1 sshd.8 sftp-server.8 sftp.1
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CATMAN = scp.0 ssh-add.0 ssh-agent.0 ssh-keygen.0 ssh-keyscan.0 ssh.0 sshd.0 sftp-server.0 sftp.0
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@ -0,0 +1,96 @@
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#include "includes.h"
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#ifdef HAVE_OSF_SIA
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#include "ssh.h"
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#include "auth-sia.h"
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#include "log.h"
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#include "servconf.h"
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#include "canohost.h"
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#include <sia.h>
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#include <siad.h>
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#include <pwd.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <sys/resource.h>
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#include <unistd.h>
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#include <string.h>
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extern ServerOptions options;
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extern int saved_argc;
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extern char **saved_argv;
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extern int errno;
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int
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auth_sia_password(char *user, char *pass)
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{
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int ret;
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SIAENTITY *ent = NULL;
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const char *host;
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host = get_canonical_hostname(options.reverse_mapping_check);
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if (!user || !pass)
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return(0);
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if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, NULL, 0,
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NULL) != SIASUCCESS)
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return(0);
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if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
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error("couldn't authenticate %s from %s", user, host);
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if (ret & SIASTOP)
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sia_ses_release(&ent);
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return(0);
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}
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sia_ses_release(&ent);
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return(1);
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}
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void
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session_setup_sia(char *user, char *tty)
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{
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int ret;
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struct passwd *pw;
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SIAENTITY *ent = NULL;
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const char *host;
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host = get_canonical_hostname (options.reverse_mapping_check);
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if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, tty, 0,
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NULL) != SIASUCCESS)
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fatal("sia_ses_init failed");
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if ((pw = getpwnam(user)) == NULL) {
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sia_ses_release(&ent);
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fatal("getpwnam(%s) failed: %s", user, strerror(errno));
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}
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if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
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sia_ses_release(&ent);
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fatal("sia_make_entity_pwd failed");
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}
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ent->authtype = SIA_A_NONE;
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if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
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fatal("couldn't establish session for %s from %s", user,
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host);
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if (setpriority(PRIO_PROCESS, 0, 0) == -1) {
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sia_ses_release(&ent);
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fatal("setpriority failed: %s", strerror (errno));
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}
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if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
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fatal("couldn't launch session for %s from %s", user, host);
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sia_ses_release(&ent);
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if (setreuid(geteuid(), geteuid()) < 0)
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fatal("setreuid failed: %s", strerror (errno));
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}
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#endif /* HAVE_OSF_SIA */
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@ -0,0 +1,8 @@
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#include "includes.h"
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#ifdef HAVE_OSF_SIA
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int auth_sia_password(char *user, char *pass);
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void session_setup_sia(char *user, char *tty);
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#endif /* HAVE_OSF_SIA */
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18
auth1.c
18
auth1.c
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@ -12,11 +12,6 @@
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#include "includes.h"
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RCSID("$OpenBSD: auth1.c,v 1.15 2001/02/07 22:35:45 markus Exp $");
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#ifdef HAVE_OSF_SIA
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# include <sia.h>
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# include <siad.h>
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#endif
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#include "xmalloc.h"
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#include "rsa.h"
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#include "ssh1.h"
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@ -36,10 +31,6 @@ extern char *forced_command;
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#ifdef WITH_AIXAUTHENTICATE
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extern char *aixloginmsg;
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#endif /* WITH_AIXAUTHENTICATE */
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#ifdef HAVE_OSF_SIA
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extern int saved_argc;
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extern char **saved_argv;
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#endif /* HAVE_OSF_SIA */
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/*
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* convert ssh auth msg type into description
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@ -98,6 +89,8 @@ do_authloop(Authctxt *authctxt)
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#endif
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#ifdef USE_PAM
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auth_pam_password(pw, "")) {
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#elif defined(HAVE_OSF_SIA)
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0) {
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#else
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auth_password(pw, "")) {
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#endif
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@ -265,11 +258,8 @@ do_authloop(Authctxt *authctxt)
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authenticated = auth_pam_password(pw, password);
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#elif defined(HAVE_OSF_SIA)
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/* Do SIA auth with password */
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if (sia_validate_user(NULL, saved_argc, saved_argv,
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get_canonical_hostname(options.reverse_mapping_check),
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authctxt->user?authctxt->user:"NOUSER", NULL,
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0, NULL, password) == SIASUCCESS)
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authenticated = 1;
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authenticated = auth_sia_password(authctxt->user,
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password);
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#else /* !USE_PAM && !HAVE_OSF_SIA */
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/* Try authentication with the password. */
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authenticated = auth_password(pw, password);
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19
auth2.c
19
auth2.c
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@ -25,11 +25,6 @@
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#include "includes.h"
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RCSID("$OpenBSD: auth2.c,v 1.40 2001/02/10 12:52:02 markus Exp $");
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#ifdef HAVE_OSF_SIA
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# include <sia.h>
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# include <siad.h>
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#endif
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#include <openssl/evp.h>
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#include "ssh2.h"
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@ -61,10 +56,6 @@ extern int session_id2_len;
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#ifdef WITH_AIXAUTHENTICATE
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extern char *aixloginmsg;
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#endif
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#ifdef HAVE_OSF_SIA
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extern int saved_argc;
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extern char **saved_argv;
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#endif
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static Authctxt *x_authctxt = NULL;
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static int one = 1;
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@ -346,10 +337,7 @@ userauth_none(Authctxt *authctxt)
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#ifdef USE_PAM
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return auth_pam_password(authctxt->pw, "");
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#elif defined(HAVE_OSF_SIA)
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return (sia_validate_user(NULL, saved_argc, saved_argv,
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get_canonical_hostname(options.reverse_mapping_check),
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authctxt->user?authctxt->user:"NOUSER", NULL, 0,
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NULL, "") == SIASUCCESS);
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return 0;
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#else /* !HAVE_OSF_SIA && !USE_PAM */
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return auth_password(authctxt->pw, "");
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#endif /* USE_PAM */
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@ -374,10 +362,7 @@ userauth_passwd(Authctxt *authctxt)
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#ifdef USE_PAM
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auth_pam_password(authctxt->pw, password) == 1)
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#elif defined(HAVE_OSF_SIA)
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sia_validate_user(NULL, saved_argc, saved_argv,
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get_canonical_hostname(options.reverse_mapping_check),
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authctxt->user?authctxt->user:"NOUSER", NULL, 0, NULL,
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password) == SIASUCCESS)
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auth_sia_password(authctxt->user, password) == 1)
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#else /* !USE_PAM && !HAVE_OSF_SIA */
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auth_password(authctxt->pw, password) == 1)
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#endif /* USE_PAM */
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20
session.c
20
session.c
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@ -72,11 +72,6 @@ RCSID("$OpenBSD: session.c,v 1.55 2001/02/08 19:30:52 itojun Exp $");
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#include <usersec.h>
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#endif
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#ifdef HAVE_OSF_SIA
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# include <sia.h>
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# include <siad.h>
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#endif
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#ifdef HAVE_CYGWIN
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#include <windows.h>
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#include <sys/cygwin.h>
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@ -1051,21 +1046,8 @@ do_child(const char *command, struct passwd * pw, const char *term,
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switch, so we let login(1) to this for us. */
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if (!options.use_login) {
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#ifdef HAVE_OSF_SIA
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extern char **saved_argv;
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extern int saved_argc;
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char *host = get_canonical_hostname(options.reverse_mapping_check);
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if (sia_become_user(NULL, saved_argc, saved_argv, host,
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pw->pw_name, ttyname, 0, NULL, NULL, SIA_BEU_SETLUID) !=
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SIASUCCESS) {
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perror("sia_become_user");
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exit(1);
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}
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if (setreuid(geteuid(), geteuid()) < 0) {
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perror("setreuid");
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exit(1);
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}
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#else /* HAVE_OSF_SIA */
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session_setup_sia(pw->pw_name, ttyname);
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#ifdef HAVE_CYGWIN
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if (is_winnt) {
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#else
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