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-rw-r--r--xlators/storage/posix/src/posix-helpers.c31
-rw-r--r--xlators/storage/posix/src/posix.c446
2 files changed, 300 insertions, 177 deletions
diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
index 8457905d3c1..85005e07b14 100644
--- a/xlators/storage/posix/src/posix-helpers.c
+++ b/xlators/storage/posix/src/posix-helpers.c
@@ -2130,20 +2130,31 @@ posix_fetch_signature_xattr (char *real_path,
int32_t ret = 0;
char *memptr = NULL;
ssize_t xattrsize = 0;
+ char val_buf[2048] = {0,};
+ gf_boolean_t have_val = _gf_false;
- xattrsize = sys_lgetxattr (real_path, key, NULL, 0);
- if ((xattrsize == -1) && ((errno == ENOATTR) || (errno == ENODATA)))
- return 0;
- if (xattrsize == -1)
- goto error_return;
-
+ xattrsize = sys_lgetxattr (real_path, key, val_buf,
+ sizeof(val_buf) - 1);
+ if (xattrsize >= 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE)
+ xattrsize = sys_lgetxattr (real_path, key, NULL, 0);
+ if ((errno == ENOATTR) || (errno == ENODATA))
+ return 0;
+ if (xattrsize == -1)
+ goto error_return;
+ }
memptr = GF_CALLOC (xattrsize + 1, sizeof (char), gf_posix_mt_char);
if (!memptr)
goto error_return;
- ret = sys_lgetxattr (real_path, key, memptr, xattrsize);
- if (ret == -1)
- goto freemem;
-
+ if (have_val) {
+ memcpy (memptr, val_buf, xattrsize);
+ } else {
+ ret = sys_lgetxattr (real_path, key, memptr, xattrsize);
+ if (ret == -1)
+ goto freemem;
+ }
ret = dict_set_dynptr (xattr, (char *)key, memptr, xattrsize);
if (ret)
goto freemem;
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index bad5758cfb8..45c35203480 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -1498,6 +1498,8 @@ posix_mkdir (call_frame_t *frame, xlator_t *this,
void *disk_xattr = NULL;
data_t *arg_data = NULL;
char pgfid[GF_UUID_BUF_SIZE] = {0};
+ char value_buf[4096] = {0,};
+ gf_boolean_t have_val = _gf_false;
DECLARE_OLD_FS_ID_VAR;
@@ -1600,19 +1602,35 @@ posix_mkdir (call_frame_t *frame, xlator_t *this,
if (xattr_name != NULL) {
arg_data = dict_get (xdata, xattr_name);
if (arg_data) {
- size = sys_lgetxattr (par_path, xattr_name, NULL, 0);
- if (size < 0) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_PREOP_CHECK_FAILED,
- "mkdir (%s/%s): getxattr on key (%s)"
- " path (%s) failed ", pgfid,
- loc->name, xattr_name,
- par_path);
- goto out;
+ size = sys_lgetxattr (par_path, xattr_name, value_buf,
+ sizeof(value_buf) - 1);
+ if (size >= 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, errno,
+ P_MSG_PREOP_CHECK_FAILED,
+ "mkdir (%s/%s): getxattr on key "
+ "(%s) path (%s) failed due to "
+ " buffer overflow", pgfid,
+ loc->name, xattr_name,
+ par_path);
+ size = sys_lgetxattr (par_path,
+ xattr_name, NULL,
+ 0);
+ }
+ if (size < 0) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_PREOP_CHECK_FAILED,
+ "mkdir (%s/%s): getxattr on key (%s)"
+ " path (%s) failed ", pgfid,
+ loc->name, xattr_name,
+ par_path);
+ goto out;
+ }
}
-
disk_xattr = alloca (size);
if (disk_xattr == NULL) {
op_ret = -1;
@@ -1624,20 +1642,23 @@ posix_mkdir (call_frame_t *frame, xlator_t *this,
loc->name, real_path);
goto out;
}
-
- size = sys_lgetxattr (par_path, xattr_name,
- disk_xattr, size);
- if (size < 0) {
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_PREOP_CHECK_FAILED,
- "mkdir (%s/%s): getxattr on key (%s)"
- " path (%s) failed (%s)", pgfid,
- loc->name, xattr_name,
- par_path, strerror (errno));
- goto out;
+ if (have_val) {
+ memcpy (disk_xattr, value_buf, size);
+ } else {
+ size = sys_lgetxattr (par_path, xattr_name,
+ disk_xattr, size);
+ if (size < 0) {
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_PREOP_CHECK_FAILED,
+ "mkdir (%s/%s): getxattr on "
+ " key (%s) path (%s) failed "
+ "(%s)", pgfid, loc->name,
+ xattr_name, par_path,
+ strerror (errno));
+ goto out;
+ }
}
-
if ((arg_data->len != size)
|| (memcmp (arg_data->data, disk_xattr, size))) {
gf_msg (this->name, GF_LOG_INFO, EIO,
@@ -4408,6 +4429,8 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
size_t remaining_size = 0;
char host_buf[1024] = {0,};
char keybuffer[4096] = {0,};
+ char value_buf[8192] = {0,};
+ gf_boolean_t have_val = _gf_false;
DECLARE_OLD_FS_ID_VAR;
@@ -4644,28 +4667,44 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
}
}
#endif
- size = sys_lgetxattr (real_path, key, NULL, 0);
- if (size == -1) {
- op_errno = errno;
- if ((op_errno == ENOTSUP) || (op_errno == ENOSYS)) {
- GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
- this->name, GF_LOG_WARNING,
- "Extended attributes not "
- "supported (try remounting"
- " brick with 'user_xattr' "
- "flag)");
- } else if (op_errno == ENOATTR ||
- op_errno == ENODATA) {
- gf_msg_debug (this->name, 0,
- "No such attribute:%s for file %s",
- key, real_path);
- } else {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- P_MSG_XATTR_FAILED, "getxattr failed"
+ memset (value_buf, '\0', sizeof(value_buf));
+ size = sys_lgetxattr (real_path, key, value_buf,
+ sizeof (value_buf) - 1);
+ if (size >= 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, errno,
+ P_MSG_XATTR_FAILED,
+ "getxattr failed due to overflow of buffer"
" on %s: %s ", real_path, key);
+ size = sys_lgetxattr (real_path, key, NULL, 0);
+ }
+ if (size == -1) {
+ op_errno = errno;
+ if ((op_errno == ENOTSUP) ||
+ (op_errno == ENOSYS)) {
+ GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
+ this->name,
+ GF_LOG_WARNING,
+ "Extended attributes not "
+ "supported (try remounting"
+ " brick with 'user_xattr' "
+ "flag)");
+ }
+ if ((op_errno == ENOATTR) ||
+ (op_errno == ENODATA)) {
+ gf_msg_debug (this->name, 0,
+ "No such attribute:%s for file %s",
+ key, real_path);
+ } else {
+ gf_msg (this->name, GF_LOG_ERROR,
+ op_errno, P_MSG_XATTR_FAILED,
+ "getxattr failed on %s: %s ",
+ real_path, key);
+ }
+ goto done;
}
-
- goto done;
}
value = GF_CALLOC (size + 1, sizeof(char), gf_posix_mt_char);
if (!value) {
@@ -4673,15 +4712,20 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
op_errno = ENOMEM;
goto out;
}
- size = sys_lgetxattr (real_path, key, value, size);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "getxattr failed on "
- "%s: key = %s", real_path, key);
- GF_FREE (value);
- goto out;
+ if (have_val) {
+ memcpy (value, value_buf, size);
+ } else {
+ size = sys_lgetxattr (real_path, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED,
+ "getxattr failed on %s: key = %s",
+ real_path, key);
+ GF_FREE (value);
+ goto out;
+ }
}
value [size] = '\0';
op_ret = dict_set_dynptr (dict, key, value, size);
@@ -4697,42 +4741,53 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
goto done;
}
- size = sys_llistxattr (real_path, NULL, 0);
- if (size == -1) {
- op_errno = errno;
- if ((errno == ENOTSUP) || (errno == ENOSYS)) {
- GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
- this->name, GF_LOG_WARNING,
- "Extended attributes not "
- "supported (try remounting"
- " brick with 'user_xattr' "
- "flag)");
- }
- else {
- gf_msg (this->name, GF_LOG_ERROR, errno,
+ have_val = _gf_false;
+ memset (value_buf, '\0', sizeof(value_buf));
+ size = sys_llistxattr (real_path, value_buf, sizeof (value_buf) - 1);
+ if (size > 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, errno,
P_MSG_XATTR_FAILED,
- "listxattr failed on %s",
- real_path);
+ "listxattr failed due to overflow of buffer"
+ " on %s ", real_path);
+ size = sys_llistxattr (real_path, NULL, 0);
}
- goto out;
+ if (size == -1) {
+ op_errno = errno;
+ if ((errno == ENOTSUP) || (errno == ENOSYS)) {
+ GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
+ this->name, GF_LOG_WARNING,
+ "Extended attributes not "
+ "supported (try remounting"
+ " brick with 'user_xattr' "
+ "flag)");
+ } else {
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED,
+ "listxattr failed on %s", real_path);
+ }
+ goto out;
+ }
+ if (size == 0)
+ goto done;
}
-
- if (size == 0)
- goto done;
-
list = alloca (size);
if (!list) {
op_errno = errno;
goto out;
}
-
- size = sys_llistxattr (real_path, list, size);
- if (size < 0) {
- op_ret = -1;
- op_errno = errno;
- goto out;
+ if (have_val) {
+ memcpy (list, value_buf, size);
+ } else {
+ size = sys_llistxattr (real_path, list, size);
+ if (size < 0) {
+ op_ret = -1;
+ op_errno = errno;
+ goto out;
+ }
}
-
remaining_size = size;
list_offset = 0;
while (remaining_size > 0) {
@@ -4742,35 +4797,51 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
_gf_false);
if (ret == -1)
goto ignore;
-
- size = sys_lgetxattr (real_path, keybuffer, NULL, 0);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "getxattr failed on "
- "%s: key = %s ", real_path, keybuffer);
- break;
+ memset (value_buf, '\0', sizeof(value_buf));
+ have_val = _gf_false;
+ size = sys_lgetxattr (real_path, keybuffer, value_buf,
+ sizeof (value_buf) - 1);
+ if (size >= 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, op_errno,
+ P_MSG_XATTR_FAILED,
+ "getxattr failed due to overflow of"
+ " buffer on %s: %s ", real_path,
+ keybuffer);
+ size = sys_lgetxattr (real_path, keybuffer,
+ NULL, 0);
+ }
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "getxattr failed on"
+ " %s: key = %s ", real_path, keybuffer);
+ break;
+ }
}
-
value = GF_CALLOC (size + 1, sizeof(char),
gf_posix_mt_char);
if (!value) {
op_errno = errno;
goto out;
}
-
- size = sys_lgetxattr (real_path, keybuffer, value, size);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "getxattr failed on "
- "%s: key = %s ", real_path, keybuffer);
- GF_FREE (value);
- break;
+ if (have_val) {
+ memcpy (value, value_buf, size);
+ } else {
+ size = sys_lgetxattr (real_path, keybuffer, value, size);
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "getxattr failed on"
+ " %s: key = %s ", real_path, keybuffer);
+ GF_FREE (value);
+ break;
+ }
}
-
value [size] = '\0';
#ifdef GF_DARWIN_HOST_OS
/* The protocol expect namespace for now */
@@ -4833,6 +4904,8 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
dict_t * dict = NULL;
int ret = -1;
char key[4096] = {0,};
+ char value_buf[8192] = {0,};
+ gf_boolean_t have_val = _gf_false;
DECLARE_OLD_FS_ID_VAR;
@@ -4899,37 +4972,52 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
GF_FREE (newkey);
}
#endif
- size = sys_fgetxattr (_fd, key, NULL, 0);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- if (errno == ENODATA || errno == ENOATTR) {
- gf_msg_debug (this->name, 0, "fgetxattr failed"
- " on key %s (%s)", key,
- strerror (op_errno));
- } else {
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "fgetxattr failed "
- "on key %s", key);
+ size = sys_fgetxattr (_fd, key, value_buf, sizeof(value_buf) - 1);
+ if (size >= 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, errno,
+ P_MSG_XATTR_FAILED,
+ "fgetxattr failed due to overflow of"
+ "buffer on %s ", key);
+ size = sys_fgetxattr (_fd, key, NULL, 0);
+ }
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ if (errno == ENODATA || errno == ENOATTR) {
+ gf_msg_debug (this->name, 0, "fgetxattr"
+ " failed on key %s (%s)",
+ key, strerror (op_errno));
+ } else {
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "fgetxattr"
+ " failed on key %s", key);
+ }
+ goto done;
}
- goto done;
}
-
value = GF_CALLOC (size + 1, sizeof(char), gf_posix_mt_char);
if (!value) {
op_ret = -1;
op_errno = ENOMEM;
goto out;
}
- size = sys_fgetxattr (_fd, key, value, size);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "fgetxattr failed on "
- "fd %p for the key %s ", fd, key);
- GF_FREE (value);
- goto out;
+ if (have_val) {
+ memcpy (value, value_buf, size);
+ } else {
+ size = sys_fgetxattr (_fd, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "fgetxattr"
+ " failed on fd %p for the key %s ",
+ fd, key);
+ GF_FREE (value);
+ goto out;
+ }
}
value [size] = '\0';
@@ -4946,37 +5034,47 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
goto done;
}
-
- size = sys_flistxattr (_fd, NULL, 0);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- if ((errno == ENOTSUP) || (errno == ENOSYS)) {
- GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
- this->name, GF_LOG_WARNING,
- "Extended attributes not "
- "supported (try remounting "
- "brick with 'user_xattr' flag)");
+ memset (value_buf, '\0', sizeof(value_buf));
+ size = sys_flistxattr (_fd, value_buf, sizeof (value_buf) - 1);
+ if (size > 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, errno,
+ P_MSG_XATTR_FAILED,
+ "listxattr failed due to overflow of buffer"
+ " on %p ", fd);
+ size = sys_flistxattr (_fd, NULL, 0);
}
- else {
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "listxattr failed on %p:",
- fd);
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ if ((errno == ENOTSUP) || (errno == ENOSYS)) {
+ GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
+ this->name, GF_LOG_WARNING,
+ "Extended attributes not "
+ "supported (try remounting "
+ "brick with 'user_xattr' flag)");
+ } else {
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "listxattr failed "
+ "on %p:", fd);
+ }
+ goto out;
}
- goto out;
+ if (size == 0)
+ goto done;
}
-
- if (size == 0)
- goto done;
-
list = alloca (size + 1);
if (!list) {
op_ret = -1;
op_errno = ENOMEM;
goto out;
}
-
- size = sys_flistxattr (_fd, list, size);
+ if (have_val)
+ memcpy (list, value_buf, size);
+ else
+ size = sys_flistxattr (_fd, list, size);
remaining_size = size;
list_offset = 0;
@@ -4985,16 +5083,28 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
break;
strncpy (key, list + list_offset, sizeof(key));
- size = sys_fgetxattr (_fd, key, NULL, 0);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "fgetxattr failed on "
- "fd %p for the key %s ", fd, key);
- break;
+ memset (value_buf, '\0', sizeof(value_buf));
+ have_val = _gf_false;
+ size = sys_fgetxattr (_fd, key, value_buf, sizeof (value_buf) - 1);
+ if (size >= 0) {
+ have_val = _gf_true;
+ } else {
+ if (errno == ERANGE) {
+ gf_msg (this->name, GF_LOG_INFO, errno,
+ P_MSG_XATTR_FAILED,
+ "fgetxattr failed due to overflow of buffer"
+ " on fd %p: for the key %s ", fd, key);
+ size = sys_fgetxattr (_fd, key, NULL, 0);
+ }
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "fgetxattr failed "
+ "on fd %p for the key %s ", fd, key);
+ break;
+ }
}
-
value = GF_CALLOC (size + 1, sizeof(char),
gf_posix_mt_char);
if (!value) {
@@ -5002,18 +5112,20 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
op_errno = errno;
goto out;
}
-
- size = sys_fgetxattr (_fd, key, value, size);
- if (size == -1) {
- op_ret = -1;
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, errno,
- P_MSG_XATTR_FAILED, "fgetxattr failed on "
- "the fd %p for the key %s ", fd, key);
- GF_FREE (value);
- break;
+ if (have_val) {
+ memcpy (value, value_buf, size);
+ } else {
+ size = sys_fgetxattr (_fd, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
+ op_errno = errno;
+ gf_msg (this->name, GF_LOG_ERROR, errno,
+ P_MSG_XATTR_FAILED, "fgetxattr failed o"
+ "n the fd %p for the key %s ", fd, key);
+ GF_FREE (value);
+ break;
+ }
}
-
value [size] = '\0';
op_ret = dict_set_dynptr (dict, key, value, size);
generated by cgit (git 2.34.1) at 2024-11-15 05:13:01 +0000