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Fix memleaks in cmd_RecordPadding()

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Free the internal copy of parameter `value` on each early
exit.

Fixes #25906

Signed-off-by: Holger Dengler <dengler@linux.ibm.com>

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/25926)
This commit is contained in:
Holger Dengler 2024-11-11 11:29:12 +01:00 committed by Tomas Mraz
parent 1f7d2a2887
commit 0abbd3e5ac
1 changed files with 7 additions and 8 deletions
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15
ssl/ssl_conf.c
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@ -666,22 +666,19 @@ static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value)
copy = OPENSSL_strdup(value);
if (copy == NULL)
return 0;
goto out;
commap = strstr(copy, ",");
if (commap != NULL) {
*commap = '\0';
if (*(commap + 1) == '\0') {
OPENSSL_free(copy);
return 0;
}
if (*(commap + 1) == '\0')
goto out;
if (!OPENSSL_strtoul(commap + 1, &endptr, 0, &hs_padding))
return 0;
goto out;
}
if (!OPENSSL_strtoul(copy, &endptr, 0, &block_padding))
return 0;
goto out;
if (commap == NULL)
hs_padding = block_padding;
OPENSSL_free(copy);
/*
* All we care about are non-negative values,
@ -693,6 +690,8 @@ static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value)
if (cctx->ssl)
rv = SSL_set_block_padding_ex(cctx->ssl, (size_t)block_padding,
(size_t)hs_padding);
out:
OPENSSL_free(copy);
return rv;
}