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Merge pull request #8352 from daverodgman/iar-fixes

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Fix a few IAR warnings
This commit is contained in:
Dave Rodgman 2023-10-13 09:20:28 +01:00 committed by GitHub
commit 2d67e3a07b
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3 changed files with 26 additions and 22 deletions
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3
library/pkcs12.c
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@ -172,6 +172,7 @@ int mbedtls_pkcs12_pbe_ext(mbedtls_asn1_buf *pbe_params, int mode,
size_t iv_len = 0; size_t iv_len = 0;
size_t finish_olen = 0; size_t finish_olen = 0;
unsigned int padlen = 0; unsigned int padlen = 0;
mbedtls_cipher_padding_t padding;
if (pwd == NULL && pwdlen != 0) { if (pwd == NULL && pwdlen != 0) {
return MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA; return MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA;
@ -218,7 +219,7 @@ int mbedtls_pkcs12_pbe_ext(mbedtls_asn1_buf *pbe_params, int mode,
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) #if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/* PKCS12 uses CBC with PKCS7 padding */ /* PKCS12 uses CBC with PKCS7 padding */
mbedtls_cipher_padding_t padding = MBEDTLS_PADDING_PKCS7; padding = MBEDTLS_PADDING_PKCS7;
#if !defined(MBEDTLS_CIPHER_PADDING_PKCS7) #if !defined(MBEDTLS_CIPHER_PADDING_PKCS7)
/* For historical reasons, when decrypting, this function works when /* For historical reasons, when decrypting, this function works when
* decrypting even when support for PKCS7 padding is disabled. In this * decrypting even when support for PKCS7 padding is disabled. In this

3
library/pkcs5.c
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@ -152,6 +152,7 @@ int mbedtls_pkcs5_pbes2_ext(const mbedtls_asn1_buf *pbe_params, int mode,
mbedtls_cipher_type_t cipher_alg; mbedtls_cipher_type_t cipher_alg;
mbedtls_cipher_context_t cipher_ctx; mbedtls_cipher_context_t cipher_ctx;
unsigned int padlen = 0; unsigned int padlen = 0;
mbedtls_cipher_padding_t padding;
p = pbe_params->p; p = pbe_params->p;
end = p + pbe_params->len; end = p + pbe_params->len;
@ -246,7 +247,7 @@ int mbedtls_pkcs5_pbes2_ext(const mbedtls_asn1_buf *pbe_params, int mode,
* "PKCS5 padding" except that it's typically only called PKCS5 * "PKCS5 padding" except that it's typically only called PKCS5
* with 64-bit-block ciphers). * with 64-bit-block ciphers).
*/ */
mbedtls_cipher_padding_t padding = MBEDTLS_PADDING_PKCS7; padding = MBEDTLS_PADDING_PKCS7;
#if !defined(MBEDTLS_CIPHER_PADDING_PKCS7) #if !defined(MBEDTLS_CIPHER_PADDING_PKCS7)
/* For historical reasons, when decrypting, this function works when /* For historical reasons, when decrypting, this function works when
* decrypting even when support for PKCS7 padding is disabled. In this * decrypting even when support for PKCS7 padding is disabled. In this

42
library/x509_create.c
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@ -254,31 +254,33 @@ static int parse_attribute_value_hex_der_encoded(const char *s,
/* Step 3: decode the DER. */ /* Step 3: decode the DER. */
/* We've checked that der_length >= 1 above. */ /* We've checked that der_length >= 1 above. */
*tag = der[0]; *tag = der[0];
unsigned char *p = der + 1; {
if (mbedtls_asn1_get_len(&p, der + der_length, data_len) != 0) { unsigned char *p = der + 1;
goto error; if (mbedtls_asn1_get_len(&p, der + der_length, data_len) != 0) {
} goto error;
/* Now p points to the first byte of the payload inside der, }
* and *data_len is the length of the payload. */ /* Now p points to the first byte of the payload inside der,
* and *data_len is the length of the payload. */
/* Step 4: payload validation */ /* Step 4: payload validation */
if (*data_len > MBEDTLS_X509_MAX_DN_NAME_SIZE) { if (*data_len > MBEDTLS_X509_MAX_DN_NAME_SIZE) {
goto error; goto error;
} }
/* Strings must not contain null bytes. */ /* Strings must not contain null bytes. */
if (MBEDTLS_ASN1_IS_STRING_TAG(*tag)) { if (MBEDTLS_ASN1_IS_STRING_TAG(*tag)) {
for (size_t i = 0; i < *data_len; i++) { for (size_t i = 0; i < *data_len; i++) {
if (p[i] == 0) { if (p[i] == 0) {
goto error; goto error;
}
} }
} }
}
/* Step 5: output the payload. */ /* Step 5: output the payload. */
if (*data_len > data_size) { if (*data_len > data_size) {
goto error; goto error;
}
memcpy(data, p, *data_len);
} }
memcpy(data, p, *data_len);
mbedtls_free(der); mbedtls_free(der);
return 0; return 0;