systemd/SOURCES/0580-tpm2-change-alg_to_-functions-to-use-switch.patch

83 lines
2.7 KiB
Diff

From d5da1c6d6ae5a98806b42404143c82019f97314e Mon Sep 17 00:00:00 2001
From: Dan Streetman <ddstreet@ieee.org>
Date: Mon, 21 Aug 2023 10:34:57 -0400
Subject: [PATCH] tpm2: change *alg_to_* functions to use switch()
(cherry picked from commit 7354a7ccd4aa27bc8c94280c82d0ae54fd947c2a)
Related: RHEL-16182
---
src/shared/tpm2-util.c | 39 ++++++++++++++++++++++++---------------
1 file changed, 24 insertions(+), 15 deletions(-)
diff --git a/src/shared/tpm2-util.c b/src/shared/tpm2-util.c
index e4565e4034..491e8885d3 100644
--- a/src/shared/tpm2-util.c
+++ b/src/shared/tpm2-util.c
@@ -4588,28 +4588,34 @@ int tpm2_parse_luks2_json(
}
int tpm2_hash_alg_to_size(uint16_t alg) {
- if (alg == TPM2_ALG_SHA1)
+ switch (alg) {
+ case TPM2_ALG_SHA1:
return 20;
- if (alg == TPM2_ALG_SHA256)
+ case TPM2_ALG_SHA256:
return 32;
- if (alg == TPM2_ALG_SHA384)
+ case TPM2_ALG_SHA384:
return 48;
- if (alg == TPM2_ALG_SHA512)
+ case TPM2_ALG_SHA512:
return 64;
- return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown hash algorithm id 0x%" PRIx16, alg);
+ default:
+ return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown hash algorithm id 0x%" PRIx16, alg);
+ }
}
const char *tpm2_hash_alg_to_string(uint16_t alg) {
- if (alg == TPM2_ALG_SHA1)
+ switch (alg) {
+ case TPM2_ALG_SHA1:
return "sha1";
- if (alg == TPM2_ALG_SHA256)
+ case TPM2_ALG_SHA256:
return "sha256";
- if (alg == TPM2_ALG_SHA384)
+ case TPM2_ALG_SHA384:
return "sha384";
- if (alg == TPM2_ALG_SHA512)
+ case TPM2_ALG_SHA512:
return "sha512";
- log_debug("Unknown hash algorithm id 0x%" PRIx16, alg);
- return NULL;
+ default:
+ log_debug("Unknown hash algorithm id 0x%" PRIx16, alg);
+ return NULL;
+ }
}
int tpm2_hash_alg_from_string(const char *alg) {
@@ -4625,12 +4631,15 @@ int tpm2_hash_alg_from_string(const char *alg) {
}
const char *tpm2_asym_alg_to_string(uint16_t alg) {
- if (alg == TPM2_ALG_ECC)
+ switch (alg) {
+ case TPM2_ALG_ECC:
return "ecc";
- if (alg == TPM2_ALG_RSA)
+ case TPM2_ALG_RSA:
return "rsa";
- log_debug("Unknown asymmetric algorithm id 0x%" PRIx16, alg);
- return NULL;
+ default:
+ log_debug("Unknown asymmetric algorithm id 0x%" PRIx16, alg);
+ return NULL;
+ }
}
int tpm2_asym_alg_from_string(const char *alg) {