diff options
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/auth/auth_samba4.c | 88 | ||||
| -rw-r--r-- | source3/auth/wscript_build | 2 |
2 files changed, 89 insertions, 1 deletions
diff --git a/source3/auth/auth_samba4.c b/source3/auth/auth_samba4.c index 03b7884068..cf185f750a 100644 --- a/source3/auth/auth_samba4.c +++ b/source3/auth/auth_samba4.c @@ -24,6 +24,9 @@ #include "auth/auth_sam_reply.h" #include "param/param.h" #include "source4/lib/events/events.h" +#include "source4/lib/messaging/messaging.h" +#include "auth/gensec/gensec.h" +#include "source4/auth/credentials/credentials.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_AUTH @@ -92,6 +95,88 @@ static NTSTATUS check_samba4_security(const struct auth_context *auth_context, return nt_status; } +/* Hook to allow GENSEC to handle blob-based authentication + * mechanisms, without directly linking the mechansim code */ +static NTSTATUS start_gensec(TALLOC_CTX *mem_ctx, const char *oid_string, + struct gensec_security **gensec_context) +{ + NTSTATUS status; + struct loadparm_context *lp_ctx; + struct tevent_context *event_ctx; + TALLOC_CTX *frame = talloc_stackframe(); + struct gensec_security *gensec_ctx; + struct imessaging_context *msg_ctx; + struct server_id *server_id; + struct cli_credentials *server_credentials; + + lp_ctx = loadparm_init_s3(frame, loadparm_s3_context()); + if (lp_ctx == NULL) { + DEBUG(1, ("loadparm_init_s3 failed\n")); + TALLOC_FREE(frame); + return NT_STATUS_INVALID_SERVER_STATE; + } + event_ctx = s4_event_context_init(mem_ctx); + if (event_ctx == NULL) { + DEBUG(1, ("s4_event_context_init failed\n")); + TALLOC_FREE(frame); + return NT_STATUS_INVALID_SERVER_STATE; + } + + msg_ctx = imessaging_client_init(frame, + lpcfg_imessaging_path(frame, lp_ctx), + event_ctx); + if (msg_ctx == NULL) { + DEBUG(1, ("imessaging_init failed\n")); + TALLOC_FREE(frame); + return NT_STATUS_INVALID_SERVER_STATE; + } + + server_credentials + = cli_credentials_init(frame); + if (!server_credentials) { + DEBUG(1, ("Failed to init server credentials")); + TALLOC_FREE(frame); + return NT_STATUS_INVALID_SERVER_STATE; + } + + cli_credentials_set_conf(server_credentials, lp_ctx); + status = cli_credentials_set_machine_account(server_credentials, lp_ctx); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("Failed to obtain server credentials, perhaps a standalone server?: %s\n", nt_errstr(status))); + talloc_free(server_credentials); + server_credentials = NULL; + } + + status = samba_server_gensec_start(mem_ctx, + event_ctx, msg_ctx, + lp_ctx, server_credentials, "cifs", + &gensec_ctx); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(status))); + TALLOC_FREE(frame); + return status; + } + + talloc_reparent(frame, gensec_ctx, msg_ctx); + talloc_reparent(frame, gensec_ctx, event_ctx); + talloc_reparent(frame, gensec_ctx, lp_ctx); + talloc_reparent(frame, gensec_ctx, server_credentials); + + gensec_want_feature(gensec_ctx, GENSEC_FEATURE_SESSION_KEY); + gensec_want_feature(gensec_ctx, GENSEC_FEATURE_UNIX_TOKEN); + + status = gensec_start_mech_by_oid(gensec_ctx, oid_string); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(1, ("Failed to start GENSEC %s server code: %s\n", + gensec_get_name_by_oid(gensec_ctx, oid_string), nt_errstr(status))); + TALLOC_FREE(frame); + return status; + } + + *gensec_context = gensec_ctx; + return status; +} + /* module initialisation */ static NTSTATUS auth_init_samba4(struct auth_context *auth_context, const char *param, @@ -99,12 +184,15 @@ static NTSTATUS auth_init_samba4(struct auth_context *auth_context, { struct auth_methods *result; + gensec_init(); + result = talloc_zero(auth_context, struct auth_methods); if (result == NULL) { return NT_STATUS_NO_MEMORY; } result->name = "samba4"; result->auth = check_samba4_security; + result->start_gensec = start_gensec; *auth_method = result; return NT_STATUS_OK; diff --git a/source3/auth/wscript_build b/source3/auth/wscript_build index aa6603b85d..28415d84b4 100644 --- a/source3/auth/wscript_build +++ b/source3/auth/wscript_build @@ -111,6 +111,6 @@ bld.SAMBA3_MODULE('auth_samba4', subsystem='auth', source='auth_samba4.c', init_function='', - deps='auth4', + deps='auth4 samba_server_gensec gensec', internal_module=bld.SAMBA3_IS_STATIC_MODULE('auth_samba4'), enabled=bld.SAMBA3_IS_ENABLED_MODULE('auth_samba4')) |