* for Linux kernel.
*/
-uid_t cfs_curproc_uid(void)
-{
- return current_uid();
-}
-
-gid_t cfs_curproc_gid(void)
-{
- return current_gid();
-}
-
-uid_t cfs_curproc_fsuid(void)
-{
- return current_fsuid();
-}
-
-uid_t cfs_curproc_euid(void)
-{
- return current_euid();
-}
-
-uid_t cfs_curproc_egid(void)
-{
- return current_egid();
-}
-
-gid_t cfs_curproc_fsgid(void)
-{
- return current_fsgid();
-}
-
-pid_t cfs_curproc_pid(void)
-{
- return current->pid;
-}
-
-int cfs_curproc_groups_nr(void)
-{
- int nr;
-
- task_lock(current);
- nr = current_cred()->group_info->ngroups;
- task_unlock(current);
- return nr;
-}
-
-void cfs_curproc_groups_dump(gid_t *array, int size)
-{
- task_lock(current);
- size = min_t(int, size, current_cred()->group_info->ngroups);
- memcpy(array, current_cred()->group_info->blocks[0], size * sizeof(__u32));
- task_unlock(current);
-}
-
-
-int cfs_curproc_is_in_groups(gid_t gid)
-{
- return in_group_p(gid);
-}
-
-mode_t cfs_curproc_umask(void)
-{
- return current->fs->umask;
-}
-
-char *cfs_curproc_comm(void)
-{
- return current->comm;
-}
-
/* Currently all the CFS_CAP_* defines match CAP_* ones. */
#define cfs_cap_pack(cap) (cap)
#define cfs_cap_unpack(cap) (cap)
return cap_raised(current_cap(), cfs_cap_unpack(cap));
}
-void cfs_kernel_cap_pack(cfs_kernel_cap_t kcap, cfs_cap_t *cap)
+void cfs_kernel_cap_pack(kernel_cap_t kcap, cfs_cap_t *cap)
{
#if defined (_LINUX_CAPABILITY_VERSION) && _LINUX_CAPABILITY_VERSION == 0x19980330
*cap = cfs_cap_pack(kcap);
#endif
}
-void cfs_kernel_cap_unpack(cfs_kernel_cap_t *kcap, cfs_cap_t cap)
+void cfs_kernel_cap_unpack(kernel_cap_t *kcap, cfs_cap_t cap)
{
#if defined (_LINUX_CAPABILITY_VERSION) && _LINUX_CAPABILITY_VERSION == 0x19980330
*kcap = cfs_cap_unpack(cap);
return capable(cfs_cap_unpack(cap));
}
-/* Check if task is running in 32-bit API mode, for the purpose of
- * userspace binary interfaces. On 32-bit Linux this is (unfortunately)
- * always true, even if the application is using LARGEFILE64 and 64-bit
- * APIs, because Linux provides no way for the filesystem to know if it
- * is called via 32-bit or 64-bit APIs. Other clients may vary. On
- * 64-bit systems, this will only be true if the binary is calling a
- * 32-bit system call. */
-int cfs_curproc_is_32bit(void)
-{
-#ifdef HAVE_IS_COMPAT_TASK
- return is_compat_task();
-#else
- return (BITS_PER_LONG == 32);
-#endif
-}
-
static int cfs_access_process_vm(struct task_struct *tsk, unsigned long addr,
void *buf, int len, int write)
{
int cfs_get_environ(const char *key, char *value, int *val_len)
{
struct mm_struct *mm;
- char *buffer, *tmp_buf = NULL;
+ char *buffer;
int buf_len = PAGE_CACHE_SIZE;
int key_len = strlen(key);
unsigned long addr;
* which is already holding mmap_sem for writes. If some other
* thread gets the write lock in the meantime, this thread will
* block, but at least it won't deadlock on itself. LU-1735 */
- if (down_read_trylock(&mm->mmap_sem) == 0)
+ if (down_read_trylock(&mm->mmap_sem) == 0) {
+ kfree(buffer);
return -EDEADLK;
+ }
up_read(&mm->mmap_sem);
addr = mm->env_start;
out:
mmput(mm);
kfree((void *)buffer);
- if (tmp_buf)
- kfree((void *)tmp_buf);
return rc;
}
EXPORT_SYMBOL(cfs_get_environ);
-EXPORT_SYMBOL(cfs_curproc_uid);
-EXPORT_SYMBOL(cfs_curproc_pid);
-EXPORT_SYMBOL(cfs_curproc_euid);
-EXPORT_SYMBOL(cfs_curproc_gid);
-EXPORT_SYMBOL(cfs_curproc_egid);
-EXPORT_SYMBOL(cfs_curproc_fsuid);
-EXPORT_SYMBOL(cfs_curproc_fsgid);
-EXPORT_SYMBOL(cfs_curproc_umask);
-EXPORT_SYMBOL(cfs_curproc_comm);
-EXPORT_SYMBOL(cfs_curproc_groups_nr);
-EXPORT_SYMBOL(cfs_curproc_groups_dump);
-EXPORT_SYMBOL(cfs_curproc_is_in_groups);
EXPORT_SYMBOL(cfs_cap_raise);
EXPORT_SYMBOL(cfs_cap_lower);
EXPORT_SYMBOL(cfs_cap_raised);
EXPORT_SYMBOL(cfs_curproc_cap_pack);
EXPORT_SYMBOL(cfs_curproc_cap_unpack);
EXPORT_SYMBOL(cfs_capable);
-EXPORT_SYMBOL(cfs_curproc_is_32bit);
/*
* Local variables: