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-rw-r--r--xlators/encryption/rot-13/src/rot-13.c230
1 files changed, 100 insertions, 130 deletions
diff --git a/xlators/encryption/rot-13/src/rot-13.c b/xlators/encryption/rot-13/src/rot-13.c
index 6ec1b47c87b..acb918e8854 100644
--- a/xlators/encryption/rot-13/src/rot-13.c
+++ b/xlators/encryption/rot-13/src/rot-13.c
@@ -24,173 +24,143 @@
*/
void
-rot13 (char *buf, int len)
+rot13(char *buf, int len)
{
- int i;
- for (i = 0; i < len; i++) {
- if (buf[i] >= 'a' && buf[i] <= 'z')
- buf[i] = 'a' + ((buf[i] - 'a' + 13) % 26);
- else if (buf[i] >= 'A' && buf[i] <= 'Z')
- buf[i] = 'A' + ((buf[i] - 'A' + 13) % 26);
- }
+ int i;
+ for (i = 0; i < len; i++) {
+ if (buf[i] >= 'a' && buf[i] <= 'z')
+ buf[i] = 'a' + ((buf[i] - 'a' + 13) % 26);
+ else if (buf[i] >= 'A' && buf[i] <= 'Z')
+ buf[i] = 'A' + ((buf[i] - 'A' + 13) % 26);
+ }
}
void
-rot13_iovec (struct iovec *vector, int count)
+rot13_iovec(struct iovec *vector, int count)
{
- int i;
- for (i = 0; i < count; i++) {
- rot13 (vector[i].iov_base, vector[i].iov_len);
- }
+ int i;
+ for (i = 0; i < count; i++) {
+ rot13(vector[i].iov_base, vector[i].iov_len);
+ }
}
int32_t
-rot13_readv_cbk (call_frame_t *frame,
- void *cookie,
- xlator_t *this,
- int32_t op_ret,
- int32_t op_errno,
- struct iovec *vector,
- int32_t count,
- struct iatt *stbuf,
- struct iobref *iobref, dict_t *xdata)
+rot13_readv_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iovec *vector,
+ int32_t count, struct iatt *stbuf, struct iobref *iobref,
+ dict_t *xdata)
{
- rot_13_private_t *priv = (rot_13_private_t *)this->private;
+ rot_13_private_t *priv = (rot_13_private_t *)this->private;
- if (priv->decrypt_read)
- rot13_iovec (vector, count);
+ if (priv->decrypt_read)
+ rot13_iovec(vector, count);
- STACK_UNWIND_STRICT (readv, frame, op_ret, op_errno, vector, count,
- stbuf, iobref, xdata);
- return 0;
+ STACK_UNWIND_STRICT(readv, frame, op_ret, op_errno, vector, count, stbuf,
+ iobref, xdata);
+ return 0;
}
int32_t
-rot13_readv (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- size_t size,
- off_t offset, uint32_t flags, dict_t *xdata)
+rot13_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata)
{
- STACK_WIND (frame,
- rot13_readv_cbk,
- FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->readv,
- fd, size, offset, flags, xdata);
- return 0;
+ STACK_WIND(frame, rot13_readv_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readv, fd, size, offset, flags, xdata);
+ return 0;
}
int32_t
-rot13_writev_cbk (call_frame_t *frame,
- void *cookie,
- xlator_t *this,
- int32_t op_ret,
- int32_t op_errno,
- struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+rot13_writev_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, postbuf,
- xdata);
- return 0;
+ STACK_UNWIND_STRICT(writev, frame, op_ret, op_errno, prebuf, postbuf,
+ xdata);
+ return 0;
}
int32_t
-rot13_writev (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- struct iovec *vector,
- int32_t count,
- off_t offset, uint32_t flags,
- struct iobref *iobref, dict_t *xdata)
+rot13_writev(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iovec *vector, int32_t count, off_t offset, uint32_t flags,
+ struct iobref *iobref, dict_t *xdata)
{
- rot_13_private_t *priv = (rot_13_private_t *)this->private;
- if (priv->encrypt_write)
- rot13_iovec (vector, count);
-
- STACK_WIND (frame,
- rot13_writev_cbk,
- FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->writev,
- fd, vector, count, offset, flags,
- iobref, xdata);
- return 0;
+ rot_13_private_t *priv = (rot_13_private_t *)this->private;
+ if (priv->encrypt_write)
+ rot13_iovec(vector, count);
+
+ STACK_WIND(frame, rot13_writev_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->writev, fd, vector, count, offset,
+ flags, iobref, xdata);
+ return 0;
}
int32_t
-init (xlator_t *this)
+init(xlator_t *this)
{
- data_t *data = NULL;
- rot_13_private_t *priv = NULL;
-
- if (!this->children || this->children->next) {
- gf_log ("rot13", GF_LOG_ERROR,
- "FATAL: rot13 should have exactly one child");
- return -1;
- }
-
- if (!this->parents) {
- gf_log (this->name, GF_LOG_WARNING,
- "dangling volume. check volfile ");
- }
-
- priv = GF_CALLOC (sizeof (rot_13_private_t), 1, 0);
- if (!priv)
- return -1;
-
- priv->decrypt_read = 1;
- priv->encrypt_write = 1;
-
- data = dict_get (this->options, "encrypt-write");
- if (data) {
- if (gf_string2boolean (data->data, &priv->encrypt_write) == -1) {
- gf_log (this->name, GF_LOG_ERROR,
- "encrypt-write takes only boolean options");
- GF_FREE (priv);
- return -1;
- }
- }
-
- data = dict_get (this->options, "decrypt-read");
- if (data) {
- if (gf_string2boolean (data->data, &priv->decrypt_read) == -1) {
- gf_log (this->name, GF_LOG_ERROR,
- "decrypt-read takes only boolean options");
- GF_FREE (priv);
- return -1;
- }
- }
-
- this->private = priv;
- gf_log ("rot13", GF_LOG_DEBUG, "rot13 xlator loaded");
- return 0;
+ data_t *data = NULL;
+ rot_13_private_t *priv = NULL;
+
+ if (!this->children || this->children->next) {
+ gf_log("rot13", GF_LOG_ERROR,
+ "FATAL: rot13 should have exactly one child");
+ return -1;
+ }
+
+ if (!this->parents) {
+ gf_log(this->name, GF_LOG_WARNING, "dangling volume. check volfile ");
+ }
+
+ priv = GF_CALLOC(sizeof(rot_13_private_t), 1, 0);
+ if (!priv)
+ return -1;
+
+ priv->decrypt_read = 1;
+ priv->encrypt_write = 1;
+
+ data = dict_get(this->options, "encrypt-write");
+ if (data) {
+ if (gf_string2boolean(data->data, &priv->encrypt_write) == -1) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "encrypt-write takes only boolean options");
+ GF_FREE(priv);
+ return -1;
+ }
+ }
+
+ data = dict_get(this->options, "decrypt-read");
+ if (data) {
+ if (gf_string2boolean(data->data, &priv->decrypt_read) == -1) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "decrypt-read takes only boolean options");
+ GF_FREE(priv);
+ return -1;
+ }
+ }
+
+ this->private = priv;
+ gf_log("rot13", GF_LOG_DEBUG, "rot13 xlator loaded");
+ return 0;
}
void
-fini (xlator_t *this)
+fini(xlator_t *this)
{
- rot_13_private_t *priv = this->private;
+ rot_13_private_t *priv = this->private;
- if (!priv)
- return;
- this->private = NULL;
- GF_FREE (priv);
+ if (!priv)
+ return;
+ this->private = NULL;
+ GF_FREE(priv);
- return;
+ return;
}
-struct xlator_fops fops = {
- .readv = rot13_readv,
- .writev = rot13_writev
-};
+struct xlator_fops fops = {.readv = rot13_readv, .writev = rot13_writev};
struct xlator_cbks cbks;
struct volume_options options[] = {
- { .key = {"encrypt-write"},
- .type = GF_OPTION_TYPE_BOOL
- },
- { .key = {"decrypt-read"},
- .type = GF_OPTION_TYPE_BOOL
- },
- { .key = {NULL} },
+ {.key = {"encrypt-write"}, .type = GF_OPTION_TYPE_BOOL},
+ {.key = {"decrypt-read"}, .type = GF_OPTION_TYPE_BOOL},
+ {.key = {NULL}},
};