diff options
author | Damien Miller <djm@cvs.openbsd.org> | 2007-06-12 08:20:01 +0000 |
---|---|---|
committer | Damien Miller <djm@cvs.openbsd.org> | 2007-06-12 08:20:01 +0000 |
commit | c748bfc6e444031fed4ba967cddd64a7c9d412fb (patch) | |
tree | e2197b58131c2097dee881f8a0f549a1854eb02f /usr.bin | |
parent | 44c9889d0e126228527ab9bc0e9bb7a5e3eec464 (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.c | 45 | ||||
-rw-r--r-- | usr.bin/ssh/gss-serv.c | 50 | ||||
-rw-r--r-- | usr.bin/ssh/ssh-gss.h | 5 |
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 *); |