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42 lines
1.6 KiB
42 lines
1.6 KiB
7 months ago
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From e498b6a8d2f75e56e725faa1b57b9c5552efc812 Mon Sep 17 00:00:00 2001
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From: Dan Streetman <ddstreet@ieee.org>
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Date: Mon, 21 Aug 2023 10:48:20 -0400
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Subject: [PATCH] tpm2: in validator functions, return false instead of assert
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failure
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(cherry picked from commit 064ac95d81b9ab6a6eb8849cacce928015d44e5b)
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Related: RHEL-16182
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---
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src/shared/tpm2-util.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/src/shared/tpm2-util.c b/src/shared/tpm2-util.c
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index 2c5d1741e7..4288d1b897 100644
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--- a/src/shared/tpm2-util.c
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+++ b/src/shared/tpm2-util.c
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@@ -1519,7 +1519,8 @@ size_t tpm2_tpml_pcr_selection_weight(const TPML_PCR_SELECTION *l) {
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bool tpm2_pcr_value_valid(const Tpm2PCRValue *pcr_value) {
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int r;
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- assert(pcr_value);
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+ if (!pcr_value)
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+ return false;
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if (!TPM2_PCR_INDEX_VALID(pcr_value->index)) {
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log_debug("PCR index %u invalid.", pcr_value->index);
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@@ -1546,9 +1547,12 @@ bool tpm2_pcr_value_valid(const Tpm2PCRValue *pcr_value) {
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*
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* 1) all entries must be sorted in ascending order (e.g. using tpm2_sort_pcr_values())
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* 2) all entries must be unique, i.e. there cannot be 2 entries with the same hash and index
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+ *
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+ * Returns true if all entries are valid (or if no entries are provided), false otherwise.
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*/
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bool tpm2_pcr_values_valid(const Tpm2PCRValue *pcr_values, size_t n_pcr_values) {
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- assert(pcr_values || n_pcr_values == 0);
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+ if (!pcr_values && n_pcr_values > 0)
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+ return false;
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for (size_t i = 0; i < n_pcr_values; i++) {
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const Tpm2PCRValue *v = &pcr_values[i];
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