diff options
Diffstat (limited to 'source4/auth/samba_server_gensec.c')
| -rw-r--r-- | source4/auth/samba_server_gensec.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/source4/auth/samba_server_gensec.c b/source4/auth/samba_server_gensec.c new file mode 100644 index 0000000..b5d436d --- /dev/null +++ b/source4/auth/samba_server_gensec.c @@ -0,0 +1,152 @@ +/* + Unix SMB/CIFS implementation. + + Generic Authentication Interface for Samba Servers + + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/* This code sets up GENSEC in the way that all Samba servers want + * (because they have presumed access to the sam.ldb etc */ + +#include "includes.h" +#include "auth/auth.h" +#include "auth/gensec/gensec.h" +#include "param/param.h" + +static NTSTATUS samba_server_gensec_start_settings(TALLOC_CTX *mem_ctx, + struct tevent_context *event_ctx, + struct imessaging_context *msg_ctx, + struct loadparm_context *lp_ctx, + struct gensec_settings *settings, + struct cli_credentials *server_credentials, + const char *target_service, + struct gensec_security **gensec_context) +{ + NTSTATUS nt_status; + struct gensec_security *gensec_ctx; + struct auth4_context *auth_context; + + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + if (!tmp_ctx) { + return NT_STATUS_NO_MEMORY; + } + + nt_status = auth_context_create(tmp_ctx, + event_ctx, + msg_ctx, + lp_ctx, + &auth_context); + + if (!NT_STATUS_IS_OK(nt_status)) { + DEBUG(1, ("Failed to start auth server code: %s\n", nt_errstr(nt_status))); + talloc_free(tmp_ctx); + return nt_status; + } + + nt_status = gensec_server_start(tmp_ctx, + settings, + auth_context, + &gensec_ctx); + if (!NT_STATUS_IS_OK(nt_status)) { + talloc_free(tmp_ctx); + DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(nt_status))); + return nt_status; + } + + gensec_set_credentials(gensec_ctx, server_credentials); + + if (target_service) { + gensec_set_target_service(gensec_ctx, target_service); + } + *gensec_context = talloc_steal(mem_ctx, gensec_ctx); + talloc_free(tmp_ctx); + return nt_status; +} + +NTSTATUS samba_server_gensec_start(TALLOC_CTX *mem_ctx, + struct tevent_context *event_ctx, + struct imessaging_context *msg_ctx, + struct loadparm_context *lp_ctx, + struct cli_credentials *server_credentials, + const char *target_service, + struct gensec_security **gensec_context) +{ + struct gensec_settings *settings = NULL; + NTSTATUS status; + + settings = lpcfg_gensec_settings(mem_ctx, lp_ctx); + if (settings == NULL) { + return NT_STATUS_NO_MEMORY; + } + status = samba_server_gensec_start_settings(mem_ctx, event_ctx, + msg_ctx, lp_ctx, + settings, server_credentials, + target_service, + gensec_context); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(settings); + return status; + } + + talloc_reparent(mem_ctx, *gensec_context, settings); + return NT_STATUS_OK; +} + +NTSTATUS samba_server_gensec_krb5_start(TALLOC_CTX *mem_ctx, + struct tevent_context *event_ctx, + struct imessaging_context *msg_ctx, + struct loadparm_context *lp_ctx, + struct cli_credentials *server_credentials, + const char *target_service, + struct gensec_security **gensec_context) +{ + struct gensec_settings *settings = NULL; + const struct gensec_security_ops **backends = NULL; + size_t idx = 0; + NTSTATUS status; + + settings = lpcfg_gensec_settings(mem_ctx, lp_ctx); + if (settings == NULL) { + return NT_STATUS_NO_MEMORY; + } + backends = talloc_zero_array(settings, + const struct gensec_security_ops *, 3); + if (backends == NULL) { + TALLOC_FREE(settings); + return NT_STATUS_NO_MEMORY; + } + settings->backends = backends; + + gensec_init(); + + backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_KERBEROS5); + + backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO); + + status = samba_server_gensec_start_settings(mem_ctx, event_ctx, + msg_ctx, lp_ctx, + settings, server_credentials, + target_service, + gensec_context); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(settings); + return status; + } + + talloc_reparent(mem_ctx, *gensec_context, settings); + return NT_STATUS_OK; +} |