43 lines
1.4 KiB
Plaintext
43 lines
1.4 KiB
Plaintext
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diff --git a/src/kdc/do_as_req.c b/src/kdc/do_as_req.c
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index 52fbda5..680e6a1 100644
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--- a/src/kdc/do_as_req.c
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+++ b/src/kdc/do_as_req.c
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@@ -137,6 +137,11 @@ process_as_req(krb5_kdc_req *request, krb5_data *req_pkt,
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session_key.contents = 0;
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enc_tkt_reply.authorization_data = NULL;
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+ if (request->msg_type != KRB5_AS_REQ) {
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+ status = "msg_type mismatch";
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+ errcode = KRB5_BADMSGTYPE;
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+ goto errout;
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+ }
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errcode = kdc_make_rstate(&state);
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if (errcode != 0) {
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status = "constructing state";
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diff --git a/src/kdc/do_tgs_req.c b/src/kdc/do_tgs_req.c
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index 12180ff..c8cf692 100644
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--- a/src/kdc/do_tgs_req.c
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+++ b/src/kdc/do_tgs_req.c
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@@ -135,6 +135,8 @@ process_tgs_req(krb5_data *pkt, const krb5_fulladdr *from,
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retval = decode_krb5_tgs_req(pkt, &request);
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if (retval)
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return retval;
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+ if (request->msg_type != KRB5_TGS_REQ)
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+ return KRB5_BADMSGTYPE;
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/*
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* setup_server_realm() sets up the global realm-specific data pointer.
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diff --git a/src/kdc/fast_util.c b/src/kdc/fast_util.c
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index d88e0cb..2639047 100644
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--- a/src/kdc/fast_util.c
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+++ b/src/kdc/fast_util.c
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@@ -384,7 +384,7 @@ krb5_error_code kdc_fast_handle_error
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krb5_data *encoded_e_data = NULL;
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memset(outer_pa, 0, sizeof(outer_pa));
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- if (!state->armor_key)
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+ if (!state || !state->armor_key)
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return 0;
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fx_error = *err;
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fx_error.e_data.data = NULL;
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