diff options
Diffstat (limited to 'src/lib/gssapi/mechglue/g_seal.c')
| -rw-r--r-- | src/lib/gssapi/mechglue/g_seal.c | 57 |
1 files changed, 45 insertions, 12 deletions
diff --git a/src/lib/gssapi/mechglue/g_seal.c b/src/lib/gssapi/mechglue/g_seal.c index 2b31c370f1..f784be1abd 100644 --- a/src/lib/gssapi/mechglue/g_seal.c +++ b/src/lib/gssapi/mechglue/g_seal.c @@ -28,6 +28,45 @@ #include "mglueP.h" +static OM_uint32 +val_seal_args( + OM_uint32 *minor_status, + gss_ctx_id_t context_handle, + int conf_req_flag, + int qop_req, + gss_buffer_t input_message_buffer, + int *conf_state, + gss_buffer_t output_message_buffer) +{ + + /* Initialize outputs. */ + + if (minor_status != NULL) + *minor_status = 0; + + if (output_message_buffer != GSS_C_NO_BUFFER) { + output_message_buffer->length = 0; + output_message_buffer->value = NULL; + } + + /* Validate arguments. */ + + if (minor_status == NULL) + return (GSS_S_CALL_INACCESSIBLE_WRITE); + + if (context_handle == GSS_C_NO_CONTEXT) + return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); + + if (input_message_buffer == GSS_C_NO_BUFFER) + return (GSS_S_CALL_INACCESSIBLE_READ); + + if (output_message_buffer == GSS_C_NO_BUFFER) + return (GSS_S_CALL_INACCESSIBLE_WRITE); + + return (GSS_S_COMPLETE); +} + + OM_uint32 KRB5_CALLCONV gss_seal (minor_status, context_handle, @@ -51,18 +90,12 @@ gss_buffer_t output_message_buffer; gss_union_ctx_id_t ctx; gss_mechanism mech; - if (minor_status == NULL) - return (GSS_S_CALL_INACCESSIBLE_WRITE); - *minor_status = 0; - - if (context_handle == GSS_C_NO_CONTEXT) - return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); - - if (input_message_buffer == NULL) - return (GSS_S_CALL_INACCESSIBLE_READ); - - if (output_message_buffer == NULL) - return (GSS_S_CALL_INACCESSIBLE_WRITE); + status = val_seal_args(minor_status, context_handle, + conf_req_flag, qop_req, + input_message_buffer, conf_state, + output_message_buffer); + if (status != GSS_S_COMPLETE) + return (status); /* * select the approprate underlying mechanism routine and |