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Update SeCoE Safe String Library

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Signed-off-by: Jan Musial <jan.musial@intel.com>
This commit is contained in:
Jan Musial
2020-01-21 10:30:29 +01:00
parent 80d71fabea
commit 7e2b2877c8
16 changed files with 410 additions and 30 deletions
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17
casadm/safeclib/strnlen_s.c
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@@ -55,7 +55,7 @@
* INPUT PARAMETERS
* dest pointer to string
*
* dmax restricted maximum length (including null character).
* dmax restricted maximum length.
*
* OUTPUT PARAMETERS
* none
@@ -64,15 +64,16 @@
* dest shall not be a null pointer
* dmax shall not be greater than RSIZE_MAX_STR
* dmax shall not equal zero
* null character shall be in first dmax characters of dest
*
* RETURN VALUE
* The function returns the string length, excluding the terminating
* null character. If dest is NULL, then strnlen_s returns 0.
*
* Otherwise, the strnlen_s function returns the number of characters
* that precede the terminating null character.
* At most the first dmax characters of dest are accessed by strnlen_s.
* that precede the terminating null character. If there is no null
* character in the first dmax characters of dest then strnlen_s returns
* dmax. At most the first dmax characters of dest are accessed
* by strnlen_s.
*
* ALSO SEE
* strnterminate_s()
@@ -82,7 +83,6 @@ rsize_t
strnlen_s (const char *dest, rsize_t dmax)
{
rsize_t count;
rsize_t orig_dmax = dmax;
if (dest == NULL) {
return RCNEGATE(0);
@@ -106,12 +106,7 @@ strnlen_s (const char *dest, rsize_t dmax)
dmax--;
dest++;
}
if (count == orig_dmax) {
invoke_safe_str_constraint_handler("strnlen_s: string length exceeds dmax",
NULL, ESLEMAX);
return RCNEGATE(0);
}
return RCNEGATE(count);
}
EXPORT_SYMBOL(strnlen_s);
EXPORT_SYMBOL(strnlen_s)