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check NULL pointer before use, cid#137, 136, 135

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24097 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-12-11 04:59:08 +00:00
parent 46d54811be
commit 2edb783bf7
1 changed files with 12 additions and 3 deletions
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15
lib/gssapi/mech/gss_aeap.c
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@@ -15,7 +15,7 @@ gss_wrap_iov(OM_uint32 * minor_status,
gss_iov_buffer_desc *iov)
{
struct _gss_context *ctx = (struct _gss_context *) context_handle;
gssapi_mech_interface m = ctx->gc_mech;
gssapi_mech_interface m;
if (conf_state)
*conf_state = 0;
@@ -23,6 +23,9 @@ gss_wrap_iov(OM_uint32 * minor_status,
*minor_status = 0;
return GSS_S_NO_CONTEXT;
}
m = ctx->gc_mech;
if (m->gm_wrap_iov == NULL) {
*minor_status = 0;
return GSS_S_UNAVAILABLE;
@@ -41,7 +44,7 @@ gss_unwrap_iov(OM_uint32 *minor_status,
gss_iov_buffer_desc *iov)
{
struct _gss_context *ctx = (struct _gss_context *) context_handle;
gssapi_mech_interface m = ctx->gc_mech;
gssapi_mech_interface m;
if (conf_state)
*conf_state = 0;
@@ -51,6 +54,9 @@ gss_unwrap_iov(OM_uint32 *minor_status,
*minor_status = 0;
return GSS_S_NO_CONTEXT;
}
m = ctx->gc_mech;
if (m->gm_unwrap_iov == NULL) {
*minor_status = 0;
return GSS_S_UNAVAILABLE;
@@ -69,12 +75,15 @@ gss_wrap_iov_length(OM_uint32 * minor_status,
gss_iov_buffer_desc *iov)
{
struct _gss_context *ctx = (struct _gss_context *) context_handle;
gssapi_mech_interface m = ctx->gc_mech;
gssapi_mech_interface m;
if (ctx == NULL) {
*minor_status = 0;
return GSS_S_NO_CONTEXT;
}
m = ctx->gc_mech;
if (m->gm_wrap_iov == NULL) {
*minor_status = 0;
return GSS_S_UNAVAILABLE;