diff options
Diffstat (limited to 'lib/libgssapi/gss_init_sec_context.c')
| -rw-r--r-- | lib/libgssapi/gss_init_sec_context.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/lib/libgssapi/gss_init_sec_context.c b/lib/libgssapi/gss_init_sec_context.c new file mode 100644 index 0000000..46e3213 --- /dev/null +++ b/lib/libgssapi/gss_init_sec_context.c @@ -0,0 +1,129 @@ +/*- + * Copyright (c) 2005 Doug Rabson + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +#include <gssapi/gssapi.h> +#include <stdlib.h> +#include <errno.h> + +#include "mech_switch.h" +#include "name.h" +#include "cred.h" +#include "context.h" + +OM_uint32 +gss_init_sec_context(OM_uint32 * minor_status, + const gss_cred_id_t initiator_cred_handle, + gss_ctx_id_t * context_handle, + const gss_name_t target_name, + const gss_OID mech_type, + OM_uint32 req_flags, + OM_uint32 time_req, + const gss_channel_bindings_t input_chan_bindings, + const gss_buffer_t input_token, + gss_OID * actual_mech_type, + gss_buffer_t output_token, + OM_uint32 * ret_flags, + OM_uint32 * time_rec) +{ + OM_uint32 major_status; + struct _gss_mech_switch *m; + struct _gss_name *name = (struct _gss_name *) target_name; + struct _gss_mechanism_name *mn; + struct _gss_context *ctx = (struct _gss_context *) *context_handle; + struct _gss_cred *cred = (struct _gss_cred *) initiator_cred_handle; + struct _gss_mechanism_cred *mc; + gss_cred_id_t cred_handle; + int allocated_ctx; + + *minor_status = 0; + + /* + * If we haven't allocated a context yet, do so now and lookup + * the mechanism switch table. If we have one already, make + * sure we use the same mechanism switch as before. + */ + if (!ctx) { + ctx = malloc(sizeof(struct _gss_context)); + if (!ctx) { + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + memset(ctx, 0, sizeof(struct _gss_context)); + m = ctx->gc_mech = _gss_find_mech_switch(mech_type); + if (!m) { + free(ctx); + return (GSS_S_BAD_MECH); + } + allocated_ctx = 1; + } else { + m = ctx->gc_mech; + allocated_ctx = 0; + } + + /* + * Find the MN for this mechanism. + */ + mn = _gss_find_mn(name, mech_type); + + /* + * If we have a cred, find the cred for this mechanism. + */ + cred_handle = GSS_C_NO_CREDENTIAL; + if (cred) { + SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { + if (_gss_oid_equal(mech_type, mc->gmc_mech_oid)) { + cred_handle = mc->gmc_cred; + break; + } + } + } + + major_status = m->gm_init_sec_context(minor_status, + cred_handle, + &ctx->gc_ctx, + mn->gmn_name, + mech_type, + req_flags, + time_req, + input_chan_bindings, + input_token, + actual_mech_type, + output_token, + ret_flags, + time_rec); + + if (major_status != GSS_S_COMPLETE + && major_status != GSS_S_CONTINUE_NEEDED) { + if (allocated_ctx) + free(ctx); + } else { + *context_handle = (gss_ctx_id_t) ctx; + } + + return (major_status); +} |
