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Differential D28677 Diff 83996 sys/contrib/openzfs/module/icp/core/kcf_prov_lib.c

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sys/contrib/openzfs/module/icp/core/kcf_prov_lib.c

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/* /*
* Utility routine to apply the command, 'cmd', to the * Utility routine to apply the command, 'cmd', to the
* data in the uio structure. * data in the uio structure.
*/ */
int int
crypto_uio_data(crypto_data_t *data, uchar_t *buf, int len, cmd_type_t cmd, crypto_uio_data(crypto_data_t *data, uchar_t *buf, int len, cmd_type_t cmd,
void *digest_ctx, void (*update)(void)) void *digest_ctx, void (*update)(void))
{ {
uio_t *uiop = data->cd_uio; zfs_uio_t *uiop = data->cd_uio;
off_t offset = data->cd_offset; off_t offset = data->cd_offset;
size_t length = len; size_t length = len;
uint_t vec_idx; uint_t vec_idx;
size_t cur_len; size_t cur_len;
uchar_t *datap; uchar_t *datap;
ASSERT(data->cd_format == CRYPTO_DATA_UIO); ASSERT(data->cd_format == CRYPTO_DATA_UIO);
if (uio_segflg(uiop) != UIO_SYSSPACE) { if (zfs_uio_segflg(uiop) != UIO_SYSSPACE) {
return (CRYPTO_ARGUMENTS_BAD); return (CRYPTO_ARGUMENTS_BAD);
} }
/* /*
* Jump to the first iovec containing data to be * Jump to the first iovec containing data to be
* processed. * processed.
*/ */
offset = uio_index_at_offset(uiop, offset, &vec_idx); offset = zfs_uio_index_at_offset(uiop, offset, &vec_idx);
if (vec_idx == uio_iovcnt(uiop) && length > 0) { if (vec_idx == zfs_uio_iovcnt(uiop) && length > 0) {
/* /*
* The caller specified an offset that is larger than * The caller specified an offset that is larger than
* the total size of the buffers it provided. * the total size of the buffers it provided.
*/ */
return (CRYPTO_DATA_LEN_RANGE); return (CRYPTO_DATA_LEN_RANGE);
} }
while (vec_idx < uio_iovcnt(uiop) && length > 0) { while (vec_idx < zfs_uio_iovcnt(uiop) && length > 0) {
cur_len = MIN(uio_iovlen(uiop, vec_idx) - cur_len = MIN(zfs_uio_iovlen(uiop, vec_idx) -
offset, length); offset, length);
datap = (uchar_t *)(uio_iovbase(uiop, vec_idx) + offset); datap = (uchar_t *)(zfs_uio_iovbase(uiop, vec_idx) + offset);
switch (cmd) { switch (cmd) {
case COPY_FROM_DATA: case COPY_FROM_DATA:
bcopy(datap, buf, cur_len); bcopy(datap, buf, cur_len);
buf += cur_len; buf += cur_len;
break; break;
case COPY_TO_DATA: case COPY_TO_DATA:
bcopy(buf, datap, cur_len); bcopy(buf, datap, cur_len);
buf += cur_len; buf += cur_len;
Show All 10 Lines case GHASH_DATA:
return (CRYPTO_ARGUMENTS_BAD); return (CRYPTO_ARGUMENTS_BAD);
} }
length -= cur_len; length -= cur_len;
vec_idx++; vec_idx++;
offset = 0; offset = 0;
} }
if (vec_idx == uio_iovcnt(uiop) && length > 0) { if (vec_idx == zfs_uio_iovcnt(uiop) && length > 0) {
/* /*
* The end of the specified iovec's was reached but * The end of the specified iovec's was reached but
* the length requested could not be processed. * the length requested could not be processed.
*/ */
switch (cmd) { switch (cmd) {
case COPY_TO_DATA: case COPY_TO_DATA:
data->cd_length = len; data->cd_length = len;
return (CRYPTO_BUFFER_TOO_SMALL); return (CRYPTO_BUFFER_TOO_SMALL);
▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines
} }
int int
crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output, crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output,
int (*cipher)(void *, caddr_t, size_t, crypto_data_t *), int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
void (*copy_block)(uint8_t *, uint64_t *)) void (*copy_block)(uint8_t *, uint64_t *))
{ {
common_ctx_t *common_ctx = ctx; common_ctx_t *common_ctx = ctx;
uio_t *uiop = input->cd_uio; zfs_uio_t *uiop = input->cd_uio;
off_t offset = input->cd_offset; off_t offset = input->cd_offset;
size_t length = input->cd_length; size_t length = input->cd_length;
uint_t vec_idx; uint_t vec_idx;
size_t cur_len; size_t cur_len;
ASSERT(input != output); ASSERT(input != output);
if (input->cd_miscdata != NULL) { if (input->cd_miscdata != NULL) {
copy_block((uint8_t *)input->cd_miscdata, copy_block((uint8_t *)input->cd_miscdata,
&common_ctx->cc_iv[0]); &common_ctx->cc_iv[0]);
} }
if (uio_segflg(input->cd_uio) != UIO_SYSSPACE) { if (zfs_uio_segflg(input->cd_uio) != UIO_SYSSPACE) {
return (CRYPTO_ARGUMENTS_BAD); return (CRYPTO_ARGUMENTS_BAD);
} }
/* /*
* Jump to the first iovec containing data to be * Jump to the first iovec containing data to be
* processed. * processed.
*/ */
offset = uio_index_at_offset(uiop, offset, &vec_idx); offset = zfs_uio_index_at_offset(uiop, offset, &vec_idx);
if (vec_idx == uio_iovcnt(uiop) && length > 0) { if (vec_idx == zfs_uio_iovcnt(uiop) && length > 0) {
/* /*
* The caller specified an offset that is larger than the * The caller specified an offset that is larger than the
* total size of the buffers it provided. * total size of the buffers it provided.
*/ */
return (CRYPTO_DATA_LEN_RANGE); return (CRYPTO_DATA_LEN_RANGE);
} }
/* /*
* Now process the iovecs. * Now process the iovecs.
*/ */
while (vec_idx < uio_iovcnt(uiop) && length > 0) { while (vec_idx < zfs_uio_iovcnt(uiop) && length > 0) {
cur_len = MIN(uio_iovlen(uiop, vec_idx) - cur_len = MIN(zfs_uio_iovlen(uiop, vec_idx) -
offset, length); offset, length);
int rv = (cipher)(ctx, uio_iovbase(uiop, vec_idx) + offset, int rv = (cipher)(ctx, zfs_uio_iovbase(uiop, vec_idx) + offset,
cur_len, output); cur_len, output);
if (rv != CRYPTO_SUCCESS) { if (rv != CRYPTO_SUCCESS) {
return (rv); return (rv);
} }
length -= cur_len; length -= cur_len;
vec_idx++; vec_idx++;
offset = 0; offset = 0;
} }
if (vec_idx == uio_iovcnt(uiop) && length > 0) { if (vec_idx == zfs_uio_iovcnt(uiop) && length > 0) {
/* /*
* The end of the specified iovec's was reached but * The end of the specified iovec's was reached but
* the length requested could not be processed, i.e. * the length requested could not be processed, i.e.
* The caller requested to digest more data than it provided. * The caller requested to digest more data than it provided.
*/ */
return (CRYPTO_DATA_LEN_RANGE); return (CRYPTO_DATA_LEN_RANGE);
} }
return (CRYPTO_SUCCESS); return (CRYPTO_SUCCESS);
} }