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fundamental: Fix buffer size in get_chid

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NUL byte should not be hashed
This commit is contained in:
anonymix007 2024-11-06 23:12:07 +03:00
parent 9f9c847609
commit 310997d5b4
1 changed files with 2 additions and 2 deletions
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4
src/fundamental/chid-fundamental.c
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@ -20,7 +20,7 @@
# include <byteswap.h>
# include <string.h>
# include <utf8.h>
#define strsize16(str) ((char16_strlen(str) + 1) * sizeof(char16_t))
#define strlen16 char16_strlen
#endif
#include "chid-fundamental.h"
@ -42,7 +42,7 @@ static void get_chid(const char16_t *const smbios_fields[static _CHID_SMBIOS_FIE
if ((mask >> i) & 1) {
if (i > 0)
sha1_process_bytes(L"&", 2, &ctx);
sha1_process_bytes(smbios_fields[i], strsize16(smbios_fields[i]), &ctx);
sha1_process_bytes(smbios_fields[i], strlen16(smbios_fields[i]) * sizeof(char16_t), &ctx);
}
uint8_t hash[SHA1_DIGEST_SIZE];