---
dm.c | 87 +++++++++++++++++++++++++++++++++++++++---------------------------
1 file changed, 52 insertions(+), 35 deletions(-)
diff --git a/dm.c b/dm.c
index 33a3972..d81983d 100644
--- a/dm.c
+++ b/dm.c
@@ -2,8 +2,8 @@
#ifdef HAVE_LINUX_DM_IOCTL_H
-#include <sys/ioctl.h>
-#include <linux/dm-ioctl.h>
+# include <sys/ioctl.h>
+# include <linux/dm-ioctl.h>
static void
dm_decode_device(const unsigned int code, const struct dm_ioctl *ioc)
@@ -38,7 +38,7 @@ dm_decode_values(struct tcb *tcp, const unsigned int code,
if (entering(tcp)) {
switch (code) {
case DM_TABLE_LOAD:
- tprintf(", target_count=%"PRIu32"",
+ tprintf(", target_count=%" PRIu32,
ioc->target_count);
break;
case DM_DEV_SUSPEND:
@@ -47,7 +47,7 @@ dm_decode_values(struct tcb *tcp, const unsigned int code,
case DM_DEV_RENAME:
case DM_DEV_REMOVE:
case DM_DEV_WAIT:
- tprintf(", event_nr=%"PRIu32"",
+ tprintf(", event_nr=%" PRIu32,
ioc->event_nr);
break;
}
@@ -63,11 +63,11 @@ dm_decode_values(struct tcb *tcp, const unsigned int code,
case DM_TABLE_DEPS:
case DM_TABLE_STATUS:
case DM_TARGET_MSG:
- tprintf(", target_count=%"PRIu32"",
+ tprintf(", target_count=%" PRIu32,
ioc->target_count);
- tprintf(", open_count=%"PRIu32"",
+ tprintf(", open_count=%" PRIu32,
ioc->open_count);
- tprintf(", event_nr=%"PRIu32"",
+ tprintf(", event_nr=%" PRIu32,
ioc->event_nr);
break;
}
@@ -89,21 +89,23 @@ dm_decode_dm_target_spec(struct tcb *tcp, const struct
dm_ioctl *ioc,
{
uint32_t i;
uint32_t offset = ioc->data_start;
+
for (i = 0; i < ioc->target_count; i++) {
- if (offset + (uint32_t)sizeof(struct dm_target_spec) >= offset
&&
- offset + (uint32_t)sizeof(struct dm_target_spec) <
extra_size) {
+ if (offset + (uint32_t) sizeof(struct dm_target_spec) >= offset
&&
+ offset + (uint32_t) sizeof(struct dm_target_spec) <
extra_size) {
uint32_t new_offset;
const struct dm_target_spec *s =
- (const struct dm_target_spec *)(extra + offset);
- tprintf(", {sector_start=%"PRIu64", length=%"PRIu64"",
- (uint64_t)s->sector_start, (uint64_t)s->length);
+ (const struct dm_target_spec *) (extra +
offset);
+ tprintf(", {sector_start=%" PRIu64 ", length=%" PRIu64,
+ (uint64_t) s->sector_start,
+ (uint64_t) s->length);
if (!entering(tcp))
- tprintf(", status=%"PRId32"", s->status);
+ tprintf(", status=%" PRId32, s->status);
tprints(", target_type=");
print_quoted_string(s->target_type, DM_MAX_TYPE_NAME,
QUOTE_0_TERMINATED);
tprints(", string=");
- print_quoted_string((const char *)(s + 1), extra_size -
+ print_quoted_string((const char *) (s + 1), extra_size -
(offset +
sizeof(struct dm_target_spec)),
QUOTE_0_TERMINATED);
@@ -112,7 +114,8 @@ dm_decode_dm_target_spec(struct tcb *tcp, const struct
dm_ioctl *ioc,
new_offset = offset + s->next;
else
new_offset = ioc->data_start + s->next;
- if (new_offset <= offset + (uint32_t)sizeof(struct
dm_target_spec))
+ if (new_offset <= offset +
+ (uint32_t) sizeof(struct dm_target_spec))
goto misplaced;
offset = new_offset;
} else {
@@ -128,13 +131,15 @@ dm_decode_dm_target_deps(const struct dm_ioctl *ioc,
const char *extra,
uint32_t extra_size)
{
uint32_t offset = ioc->data_start;
- if (offset + (uint32_t)offsetof(struct dm_target_deps, dev) >= offset &&
- offset + (uint32_t)offsetof(struct dm_target_deps, dev) <=
extra_size) {
+ if (offset + (uint32_t) offsetof(struct dm_target_deps, dev) >= offset
&&
+ offset + (uint32_t) offsetof(struct dm_target_deps, dev) <=
extra_size) {
+
uint32_t i;
uint32_t space = (extra_size - (offset +
offsetof(struct dm_target_deps, dev))) / sizeof(__u64);
const struct dm_target_deps *s =
- (const struct dm_target_deps *)(extra + offset);
+ (const struct dm_target_deps *) (extra + offset);
+
if (s->count > space)
goto misplaced;
tprints(", deps={");
@@ -154,21 +159,25 @@ dm_decode_dm_name_list(const struct dm_ioctl *ioc, const
char *extra,
uint32_t extra_size)
{
uint32_t offset = ioc->data_start;
+
while (1) {
- if (offset + (uint32_t)offsetof(struct dm_name_list, name) >=
offset &&
- offset + (uint32_t)offsetof(struct dm_name_list, name) <
extra_size) {
+ if (offset + (uint32_t) offsetof(struct dm_name_list, name) >=
offset &&
+ offset + (uint32_t) offsetof(struct dm_name_list, name) <
extra_size) {
const struct dm_name_list *s =
- (const struct dm_name_list *)(extra + offset);
+ (const struct dm_name_list *) (extra + offset);
+
if (!s->dev)
break;
- tprintf(", {dev=makedev(%u, %u), name=", major(s->dev),
minor(s->dev));
+ tprintf(", {dev=makedev(%u, %u), name=", major(s->dev),
+ minor(s->dev));
print_quoted_string(s->name, extra_size - (offset +
offsetof(struct dm_name_list,
name)), QUOTE_0_TERMINATED);
tprints("}");
if (!s->next)
break;
- if (offset + s->next <= offset +
(uint32_t)offsetof(struct dm_name_list, name))
+ if (offset + s->next <= offset +
+ (uint32_t) offsetof(struct dm_name_list, name))
goto misplaced;
offset = offset + s->next;
} else {
@@ -184,22 +193,25 @@ dm_decode_dm_target_versions(const struct dm_ioctl *ioc,
const char *extra,
uint32_t extra_size)
{
uint32_t offset = ioc->data_start;
+
while (1) {
- if (offset + (uint32_t)offsetof(struct dm_target_versions,
name) >=
+ if (offset + (uint32_t) offsetof(struct dm_target_versions,
name) >=
offset &&
- offset + (uint32_t)offsetof(struct dm_target_versions,
name) <
+ offset + (uint32_t) offsetof(struct dm_target_versions,
name) <
extra_size) {
const struct dm_target_versions *s =
(const struct dm_target_versions *)(extra + offset);
+
tprints(", {name=");
print_quoted_string(s->name, extra_size - (offset +
offsetof(struct dm_target_versions,
name)), QUOTE_0_TERMINATED);
- tprintf(", version=%"PRIu32".%"PRIu32".%"PRIu32"}",
+ tprintf(", version=%" PRIu32 ".%" PRIu32 ".%" PRIu32
"}",
s->version[0], s->version[1], s->version[2]);
if (!s->next)
break;
- if (offset + s->next <= offset +
(uint32_t)offsetof(struct dm_target_versions, name))
+ if (offset + s->next <= offset +
+ (uint32_t) offsetof(struct dm_target_versions,
name))
goto misplaced;
offset = offset + s->next;
} else {
@@ -215,11 +227,14 @@ dm_decode_dm_target_msg(const struct dm_ioctl *ioc, const
char *extra,
uint32_t extra_size)
{
uint32_t offset = ioc->data_start;
- if (offset + (uint32_t)offsetof(struct dm_target_msg, message) >=
offset &&
- offset + (uint32_t)offsetof(struct dm_target_msg, message) <
extra_size) {
+
+ if (offset + (uint32_t) offsetof(struct dm_target_msg, message) >=
offset &&
+ offset + (uint32_t) offsetof(struct dm_target_msg, message) <
extra_size) {
const struct dm_target_msg *s =
- (const struct dm_target_msg *)(extra + offset);
- tprintf(", {sector=%"PRIu64", message=", (uint64_t)s->sector);
+ (const struct dm_target_msg *) (extra + offset);
+
+ tprintf(", {sector=%" PRIu64 ", message=",
+ (uint64_t) s->sector);
print_quoted_string(s->message, extra_size -
offsetof(struct dm_target_msg, message),
QUOTE_0_TERMINATED);
@@ -234,6 +249,7 @@ dm_decode_string(const struct dm_ioctl *ioc, const char
*extra,
uint32_t extra_size)
{
uint32_t offset = ioc->data_start;
+
if (offset < extra_size) {
tprints(", string=");
print_quoted_string(extra + offset, extra_size - offset,
@@ -250,7 +266,7 @@ dm_known_ioctl(struct tcb *tcp, const unsigned int code,
long arg)
char *extra = NULL;
uint32_t extra_size = 0;
- if (umoven(tcp, arg, sizeof(ioc) - sizeof(ioc.data), (char *)&ioc) < 0)
+ if (umoven(tcp, arg, sizeof(ioc) - sizeof(ioc.data), (char *) &ioc) < 0)
return 0;
tprintf(", {version=%d.%d.%d", ioc.version[0], ioc.version[1],
ioc.version[2]);
@@ -276,7 +292,8 @@ dm_known_ioctl(struct tcb *tcp, const unsigned int code,
long arg)
dm_decode_device(code, &ioc);
dm_decode_values(tcp, code, &ioc);
dm_decode_flags(&ioc);
- if (!abbrev(tcp)) switch (code) {
+ if (!abbrev(tcp))
+ switch (code) {
case DM_DEV_WAIT:
case DM_TABLE_STATUS:
if (entering(tcp) || syserror(tcp))
@@ -308,7 +325,7 @@ dm_known_ioctl(struct tcb *tcp, const unsigned int code,
long arg)
dm_decode_dm_target_msg(&ioc, extra,
extra_size);
} else if (!syserror(tcp) &&
- ioc.flags & DM_DATA_OUT_FLAG) {
+ ioc.flags & DM_DATA_OUT_FLAG) {
dm_decode_string(&ioc, extra, extra_size);
}
break;
@@ -318,7 +335,7 @@ dm_known_ioctl(struct tcb *tcp, const unsigned int code,
long arg)
break;
dm_decode_string(&ioc, extra, extra_size);
break;
- }
+ }
skip:
tprints("}");
--
1.7.10.4
------------------------------------------------------------------------------
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