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gssapi: avoid comparison with null mechanism

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This commit is contained in:
Nikos Mavrogiannopoulos
2015-04-29 13:24:56 +02:00
parent c041d669e1
commit 2932f170a6
1 changed files with 2 additions and 1 deletions
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3
src/auth/gssapi.c
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@@ -187,7 +187,8 @@ static int verify_krb5_constraints(struct gssapi_ctx_st *pctx, gss_OID mech_type
OM_uint32 minor;
krb5_timestamp authtime;
if (((mech_type->length != gss_mech_krb5->length || memcmp(mech_type->elements, gss_mech_krb5->elements, mech_type->length) != 0) &&
if (mech_type == NULL ||
((mech_type->length != gss_mech_krb5->length || memcmp(mech_type->elements, gss_mech_krb5->elements, mech_type->length) != 0) &&
(mech_type->length != gss_mech_krb5_old->length || memcmp(mech_type->elements, gss_mech_krb5_old->elements, mech_type->length) != 0)) ||
ticket_freshness_secs == 0) {
return 0;