[stgt] [PATCH 08/15] tgt: os.h: Services unavailable in BSD
Boaz Harrosh
bharrosh at panasas.com
Sun Mar 1 17:51:20 CET 2009
* ipc_perm => os_ipc_perm
Let in any request. credential checks are turned
off in BSD.
* oom_adjust - => os_oom_adjust Not available on BSD
* ioctl(, BLKGETSIZE64) => os_blockdev_size
FIXME: How to do on BSD
Signed-off-by: Boaz Harrosh <bharrosh at panasas.com>
---
usr/bsd/os.c | 17 +++++++++++++++++
usr/linux/os.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
usr/mgmt.c | 27 +--------------------------
usr/os.h | 5 +++++
usr/tgtd.c | 23 +----------------------
usr/util.c | 2 +-
6 files changed, 77 insertions(+), 49 deletions(-)
diff --git a/usr/bsd/os.c b/usr/bsd/os.c
index f24f515..28a5926 100644
--- a/usr/bsd/os.c
+++ b/usr/bsd/os.c
@@ -22,3 +22,20 @@ int os_sync_file_range(int fd, __off64_t offset, __off64_t bytes,
{
return fsync(fd);
}
+
+int os_ipc_perm(int fd)
+{
+ return 0;
+}
+
+int os_oom_adjust(void)
+{
+ return 0;
+}
+
+int os_blockdev_size(int fd, uint64_t *size)
+{
+ /* FIXME: how to get block-dev size in BSD */
+ *size = ~0ULL;
+ return 0;
+}
diff --git a/usr/linux/os.c b/usr/linux/os.c
index 77bd074..aeb7b21 100644
--- a/usr/linux/os.c
+++ b/usr/linux/os.c
@@ -11,10 +11,18 @@
*/
#include <errno.h>
+#include <stdio.h>
+#include <inttypes.h>
#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
#include <sys/syscall.h>
+#include <linux/fs.h>
+
#include "os.h"
+#include "log.h"
/*
* the latest glibc have a proper sync_file_range definition but
@@ -43,3 +51,47 @@ int os_sync_file_range(int fd, __off64_t offset, __off64_t bytes,
return ret;
}
+int os_ipc_perm(int fd)
+{
+ struct ucred cred;
+ socklen_t len;
+ int err;
+
+ len = sizeof(cred);
+ err = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, (void *) &cred, &len);
+ if (err) {
+ eprintf("can't get sockopt, %m\n");
+ return -1;
+ }
+
+ if (cred.uid || cred.gid)
+ return -EPERM;
+
+ return 0;
+}
+
+int os_oom_adjust(void)
+{
+ int fd, err;
+ char path[64];
+
+ /* Avoid oom-killer */
+ sprintf(path, "/proc/%d/oom_adj", getpid());
+ fd = open(path, O_WRONLY);
+ if (fd < 0) {
+ eprintf("can't adjust oom-killer's pardon %s, %m\n", path);
+ return errno;
+ }
+ err = write(fd, "-17\n", 4);
+ if (err < 0) {
+ eprintf("can't adjust oom-killer's pardon %s, %m\n", path);
+ return errno;
+ }
+ close(fd);
+ return 0;
+}
+
+int os_blockdev_size(int fd, uint64_t *size)
+{
+ return ioctl(fd, BLKGETSIZE64, size);
+}
diff --git a/usr/mgmt.c b/usr/mgmt.c
index 5351b2c..b7b1a97 100644
--- a/usr/mgmt.c
+++ b/usr/mgmt.c
@@ -19,19 +19,13 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
-#include <ctype.h>
-#include <dirent.h>
#include <errno.h>
-#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
#include <sys/epoll.h>
#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/types.h>
#include <sys/un.h>
#include "list.h"
@@ -379,25 +373,6 @@ static int ipc_accept(int accept_fd)
return fd;
}
-static int ipc_perm(int fd)
-{
- struct ucred cred;
- socklen_t len;
- int err;
-
- len = sizeof(cred);
- err = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, (void *) &cred, &len);
- if (err) {
- eprintf("can't get sockopt, %m\n");
- return -1;
- }
-
- if (cred.uid || cred.gid)
- return -EPERM;
-
- return 0;
-}
-
static void mtask_handler(int fd, int events, void *data)
{
int err, len;
@@ -506,7 +481,7 @@ static void mgmt_event_handler(int accept_fd, int events, void *data)
return;
}
- err = ipc_perm(fd);
+ err = os_ipc_perm(fd);
if (err < 0) {
eprintf("permission error\n");
goto out;
diff --git a/usr/os.h b/usr/os.h
index cd4dd71..c8e65a1 100644
--- a/usr/os.h
+++ b/usr/os.h
@@ -9,5 +9,10 @@
int os_sync_file_range(int fd, __off64_t offset, __off64_t bytes,
unsigned int flags);
+int os_ipc_perm(int fd);
+
+int os_oom_adjust(void);
+
+int os_blockdev_size(int fd, uint64_t *size);
#endif /* ndef __TGT_OS_H__*/
diff --git a/usr/tgtd.c b/usr/tgtd.c
index 8569d41..d243151 100644
--- a/usr/tgtd.c
+++ b/usr/tgtd.c
@@ -76,27 +76,6 @@ Target framework daemon, version %s\n\
static void signal_catch(int signo) {
}
-static int oom_adjust(void)
-{
- int fd, err;
- char path[64];
-
- /* Avoid oom-killer */
- sprintf(path, "/proc/%d/oom_adj", getpid());
- fd = open(path, O_WRONLY);
- if (fd < 0) {
- fprintf(stderr, "can't adjust oom-killer's pardon %s, %m\n", path);
- return errno;
- }
- err = write(fd, "-17\n", 4);
- if (err < 0) {
- fprintf(stderr, "can't adjust oom-killer's pardon %s, %m\n", path);
- return errno;
- }
- close(fd);
- return 0;
-}
-
static int nr_file_adjust(void)
{
int ret, fd, max = 1024 * 1024;
@@ -368,7 +347,7 @@ int main(int argc, char **argv)
if (is_daemon && daemon(0,0))
exit(1);
- err = oom_adjust();
+ err = os_oom_adjust();
if (err)
exit(1);
diff --git a/usr/util.c b/usr/util.c
index 2f4f488..ac14a7b 100644
--- a/usr/util.c
+++ b/usr/util.c
@@ -101,7 +101,7 @@ int backed_file_open(char *path, int oflag, uint64_t *size)
if (S_ISREG(st.st_mode))
*size = st.st_size;
else if (S_ISBLK(st.st_mode)) {
- err = ioctl(fd, BLKGETSIZE64, size);
+ err = os_blockdev_size(fd, size);
if (err < 0) {
eprintf("Cannot get size, %m\n");
goto close_fd;
--
1.6.0.6
--
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