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authorDamien Miller <djm@cvs.openbsd.org>2007-06-12 08:20:01 +0000
committerDamien Miller <djm@cvs.openbsd.org>2007-06-12 08:20:01 +0000
commitc748bfc6e444031fed4ba967cddd64a7c9d412fb (patch)
treee2197b58131c2097dee881f8a0f549a1854eb02f /usr.bin
parent44c9889d0e126228527ab9bc0e9bb7a5e3eec464 (diff)
relocate server-only GSSAPI code from libssh to server; bz #1225
patch from simon AT sxw.org.uk; ok markus@ dtucker@
Diffstat (limited to 'usr.bin')
-rw-r--r--usr.bin/ssh/gss-genr.c45
-rw-r--r--usr.bin/ssh/gss-serv.c50
-rw-r--r--usr.bin/ssh/ssh-gss.h5
3 files changed, 52 insertions, 48 deletions
diff --git a/usr.bin/ssh/gss-genr.c b/usr.bin/ssh/gss-genr.c
index a2f6d276817..3b2a4c92c74 100644
--- a/usr.bin/ssh/gss-genr.c
+++ b/usr.bin/ssh/gss-genr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: gss-genr.c,v 1.17 2006/08/29 12:02:30 dtucker Exp $ */
+/* $OpenBSD: gss-genr.c,v 1.18 2007/06/12 08:20:00 djm Exp $ */
/*
* Copyright (c) 2001-2006 Simon Wilkinson. All rights reserved.
@@ -222,39 +222,6 @@ ssh_gssapi_import_name(Gssctxt *ctx, const char *host)
return (ctx->major);
}
-/* Acquire credentials for a server running on the current host.
- * Requires that the context structure contains a valid OID
- */
-
-/* Returns a GSSAPI error code */
-OM_uint32
-ssh_gssapi_acquire_cred(Gssctxt *ctx)
-{
- OM_uint32 status;
- char lname[MAXHOSTNAMELEN];
- gss_OID_set oidset;
-
- gss_create_empty_oid_set(&status, &oidset);
- gss_add_oid_set_member(&status, ctx->oid, &oidset);
-
- if (gethostname(lname, MAXHOSTNAMELEN)) {
- gss_release_oid_set(&status, &oidset);
- return (-1);
- }
-
- if (GSS_ERROR(ssh_gssapi_import_name(ctx, lname))) {
- gss_release_oid_set(&status, &oidset);
- return (ctx->major);
- }
-
- if ((ctx->major = gss_acquire_cred(&ctx->minor,
- ctx->name, 0, oidset, GSS_C_ACCEPT, &ctx->creds, NULL, NULL)))
- ssh_gssapi_error(ctx);
-
- gss_release_oid_set(&status, &oidset);
- return (ctx->major);
-}
-
OM_uint32
ssh_gssapi_sign(Gssctxt *ctx, gss_buffer_t buffer, gss_buffer_t hash)
{
@@ -277,16 +244,6 @@ ssh_gssapi_buildmic(Buffer *b, const char *user, const char *service,
buffer_put_cstring(b, context);
}
-OM_uint32
-ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID oid)
-{
- if (*ctx)
- ssh_gssapi_delete_ctx(ctx);
- ssh_gssapi_build_ctx(ctx);
- ssh_gssapi_set_oid(*ctx, oid);
- return (ssh_gssapi_acquire_cred(*ctx));
-}
-
int
ssh_gssapi_check_mechanism(Gssctxt **ctx, gss_OID oid, const char *host)
{
diff --git a/usr.bin/ssh/gss-serv.c b/usr.bin/ssh/gss-serv.c
index 4d4977f8e33..21bc60fb3bb 100644
--- a/usr.bin/ssh/gss-serv.c
+++ b/usr.bin/ssh/gss-serv.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: gss-serv.c,v 1.20 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: gss-serv.c,v 1.21 2007/06/12 08:20:00 djm Exp $ */
/*
* Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
@@ -25,6 +25,7 @@
*/
#include <sys/types.h>
+#include <sys/param.h>
#ifdef GSSAPI
@@ -60,6 +61,53 @@ ssh_gssapi_mech* supported_mechs[]= {
&gssapi_null_mech,
};
+
+/*
+ * Acquire credentials for a server running on the current host.
+ * Requires that the context structure contains a valid OID
+ */
+
+/* Returns a GSSAPI error code */
+/* Privileged (called from ssh_gssapi_server_ctx) */
+static OM_uint32
+ssh_gssapi_acquire_cred(Gssctxt *ctx)
+{
+ OM_uint32 status;
+ char lname[MAXHOSTNAMELEN];
+ gss_OID_set oidset;
+
+ gss_create_empty_oid_set(&status, &oidset);
+ gss_add_oid_set_member(&status, ctx->oid, &oidset);
+
+ if (gethostname(lname, MAXHOSTNAMELEN)) {
+ gss_release_oid_set(&status, &oidset);
+ return (-1);
+ }
+
+ if (GSS_ERROR(ssh_gssapi_import_name(ctx, lname))) {
+ gss_release_oid_set(&status, &oidset);
+ return (ctx->major);
+ }
+
+ if ((ctx->major = gss_acquire_cred(&ctx->minor,
+ ctx->name, 0, oidset, GSS_C_ACCEPT, &ctx->creds, NULL, NULL)))
+ ssh_gssapi_error(ctx);
+
+ gss_release_oid_set(&status, &oidset);
+ return (ctx->major);
+}
+
+/* Privileged */
+OM_uint32
+ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID oid)
+{
+ if (*ctx)
+ ssh_gssapi_delete_ctx(ctx);
+ ssh_gssapi_build_ctx(ctx);
+ ssh_gssapi_set_oid(*ctx, oid);
+ return (ssh_gssapi_acquire_cred(*ctx));
+}
+
/* Unprivileged */
void
ssh_gssapi_supported_oids(gss_OID_set *oidset)
diff --git a/usr.bin/ssh/ssh-gss.h b/usr.bin/ssh/ssh-gss.h
index ff506a8adef..22367cc8c34 100644
--- a/usr.bin/ssh/ssh-gss.h
+++ b/usr.bin/ssh/ssh-gss.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-gss.h,v 1.9 2006/08/18 14:40:34 djm Exp $ */
+/* $OpenBSD: ssh-gss.h,v 1.10 2007/06/12 08:20:00 djm Exp $ */
/*
* Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
*
@@ -85,7 +85,6 @@ void ssh_gssapi_supported_oids(gss_OID_set *);
ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *);
OM_uint32 ssh_gssapi_import_name(Gssctxt *, const char *);
-OM_uint32 ssh_gssapi_acquire_cred(Gssctxt *);
OM_uint32 ssh_gssapi_init_ctx(Gssctxt *, int,
gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *,
@@ -96,11 +95,11 @@ char *ssh_gssapi_last_error(Gssctxt *, OM_uint32 *, OM_uint32 *);
void ssh_gssapi_build_ctx(Gssctxt **);
void ssh_gssapi_delete_ctx(Gssctxt **);
OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
-OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
void ssh_gssapi_buildmic(Buffer *, const char *, const char *, const char *);
int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *);
/* In the server */
+OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
int ssh_gssapi_userok(char *name);
OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
void ssh_gssapi_do_child(char ***, u_int *);