ima-evm-utils/fix-caps-parameter-cannot-be-parsed.patch

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2022-08-19 15:02:50 +08:00
From 40602a7926ec13819a5926d4ac451becb44b7d98 Mon Sep 17 00:00:00 2001
From: shenxiangwei <shenxiangwei1@huawei.com>
Date: Fri, 19 Aug 2022 12:05:11 +0800
Subject: [PATCH] fix caps parameter cannot be parsed
Signed-off-by: shenxiangwei <shenxiangwei1@huawei.com>
---
src/evmctl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/evmctl.c b/src/evmctl.c
index 28f4b8d..6ef2f68 100644
--- a/src/evmctl.c
+++ b/src/evmctl.c
@@ -440,13 +440,13 @@ static int calc_evm_hash(const char *file, unsigned char *hash)
} else if (!strcmp(*xattrname, XATTR_NAME_CAPS) && (hmac_flags & HMAC_FLAG_CAPS_SET)) {
if (!caps_str)
continue;
- err = strlen(caps_str);
+ hex2bin(xattr_value, caps_str, strlen(caps_str) >> 1);
+ err = strlen(caps_str) >> 1;
if (err >= sizeof(xattr_value)) {
log_err("caps[%u] value is too long to fit into xattr[%zu]\n",
err + 1, sizeof(xattr_value));
return -1;
}
- strcpy(xattr_value, caps_str);
} else {
err = lgetxattr(file, *xattrname, xattr_value, sizeof(xattr_value));
if (err < 0) {
--
2.27.0