check NULL pointer before use, cid#137, 136, 135
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24097 ec53bebd-3082-4978-b11e-865c3cabbd6b
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@@ -15,7 +15,7 @@ gss_wrap_iov(OM_uint32 * minor_status,
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gss_iov_buffer_desc *iov)
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{
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struct _gss_context *ctx = (struct _gss_context *) context_handle;
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gssapi_mech_interface m = ctx->gc_mech;
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gssapi_mech_interface m;
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if (conf_state)
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*conf_state = 0;
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@@ -23,6 +23,9 @@ gss_wrap_iov(OM_uint32 * minor_status,
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*minor_status = 0;
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return GSS_S_NO_CONTEXT;
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}
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m = ctx->gc_mech;
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if (m->gm_wrap_iov == NULL) {
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*minor_status = 0;
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return GSS_S_UNAVAILABLE;
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@@ -41,7 +44,7 @@ gss_unwrap_iov(OM_uint32 *minor_status,
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gss_iov_buffer_desc *iov)
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{
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struct _gss_context *ctx = (struct _gss_context *) context_handle;
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gssapi_mech_interface m = ctx->gc_mech;
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gssapi_mech_interface m;
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if (conf_state)
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*conf_state = 0;
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@@ -51,6 +54,9 @@ gss_unwrap_iov(OM_uint32 *minor_status,
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*minor_status = 0;
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return GSS_S_NO_CONTEXT;
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}
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m = ctx->gc_mech;
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if (m->gm_unwrap_iov == NULL) {
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*minor_status = 0;
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return GSS_S_UNAVAILABLE;
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@@ -69,12 +75,15 @@ gss_wrap_iov_length(OM_uint32 * minor_status,
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gss_iov_buffer_desc *iov)
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{
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struct _gss_context *ctx = (struct _gss_context *) context_handle;
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gssapi_mech_interface m = ctx->gc_mech;
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gssapi_mech_interface m;
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if (ctx == NULL) {
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*minor_status = 0;
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return GSS_S_NO_CONTEXT;
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}
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m = ctx->gc_mech;
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if (m->gm_wrap_iov == NULL) {
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*minor_status = 0;
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return GSS_S_UNAVAILABLE;
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