2020-07-31 17:31:53 +00:00
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From 409a8920e13cd14fec8533c1ff864de92d292178 Mon Sep 17 00:00:00 2001
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2020-06-15 20:57:30 +00:00
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From: Robbie Harwood <rharwood@redhat.com>
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Date: Tue, 9 Jun 2020 16:23:37 -0400
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Subject: [PATCH] Improve negoex_parse_token() code hygiene
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If the while loop in negoex_parse_token() runs for zero iterations,
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major will be used initialized. Currently this cannot happen, but
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only because both of the call sites check for zero-length tokens.
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Initialize major for safety.
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[ghudson@mit.edu: rewrote commit message]
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(cherry picked from commit 4f91b6f8fa6fe1de662b3fdac0d59b7758ec642a)
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---
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src/lib/gssapi/spnego/negoex_util.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/lib/gssapi/spnego/negoex_util.c b/src/lib/gssapi/spnego/negoex_util.c
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index 700368456..99580fd79 100644
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--- a/src/lib/gssapi/spnego/negoex_util.c
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+++ b/src/lib/gssapi/spnego/negoex_util.c
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@@ -454,7 +454,7 @@ negoex_parse_token(OM_uint32 *minor, spnego_gss_ctx_id_t ctx,
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gss_const_buffer_t token,
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struct negoex_message **messages_out, size_t *count_out)
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{
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- OM_uint32 major;
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+ OM_uint32 major = GSS_S_COMPLETE;
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size_t count = 0;
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struct k5input in;
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struct negoex_message *messages = NULL, *newptr;
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