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check that ctx is not a null ptr before deref cid#131

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24113 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-12-11 05:01:51 +00:00
parent c90f113531
commit 45b17f2891
1 changed files with 3 additions and 1 deletions
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4
lib/gssapi/mech/gss_verify_mic.c
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@@ -37,7 +37,7 @@ gss_verify_mic(OM_uint32 *minor_status,
gss_qop_t *qop_state) gss_qop_t *qop_state)
{ {
struct _gss_context *ctx = (struct _gss_context *) context_handle; struct _gss_context *ctx = (struct _gss_context *) context_handle;
gssapi_mech_interface m = ctx->gc_mech; gssapi_mech_interface m;
if (qop_state) if (qop_state)
*qop_state = 0; *qop_state = 0;
@@ -46,6 +46,8 @@ gss_verify_mic(OM_uint32 *minor_status,
return GSS_S_NO_CONTEXT; return GSS_S_NO_CONTEXT;
} }
m = ctx->gc_mech;
return (m->gm_verify_mic(minor_status, ctx->gc_ctx, return (m->gm_verify_mic(minor_status, ctx->gc_ctx,
message_buffer, token_buffer, qop_state)); message_buffer, token_buffer, qop_state));
} }