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Kernel
提交 ea771bd5 编写于 作者: D David S. Miller
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sparc64: Use kernel/uid16.c helpers instead of own copy. 

Noticed by Adrian Bunk.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 f8d91faf
隐藏空白更改
内联 并排
Showing with 10 addition and 186 deletion
arch/sparc64/kernel/sys_sparc32.c
浏览文件 @ ea771bd5
......@@ -58,182 +58,6 @@
#include <asm/mmu_context.h>
#include <asm/compat_signal.h>
asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group)
{
return sys_chown(filename, low2highuid(user), low2highgid(group));
}
asmlinkage long sys32_lchown16(const char __user * filename, u16 user, u16 group)
{
return sys_lchown(filename, low2highuid(user), low2highgid(group));
}
asmlinkage long sys32_fchown16(unsigned int fd, u16 user, u16 group)
{
return sys_fchown(fd, low2highuid(user), low2highgid(group));
}
asmlinkage long sys32_setregid16(u16 rgid, u16 egid)
{
return sys_setregid(low2highgid(rgid), low2highgid(egid));
}
asmlinkage long sys32_setgid16(u16 gid)
{
return sys_setgid((gid_t)gid);
}
asmlinkage long sys32_setreuid16(u16 ruid, u16 euid)
{
return sys_setreuid(low2highuid(ruid), low2highuid(euid));
}
asmlinkage long sys32_setuid16(u16 uid)
{
return sys_setuid((uid_t)uid);
}
asmlinkage long sys32_setresuid16(u16 ruid, u16 euid, u16 suid)
{
return sys_setresuid(low2highuid(ruid), low2highuid(euid),
low2highuid(suid));
}
asmlinkage long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid)
{
int retval;
if (!(retval = put_user(high2lowuid(current->uid), ruid)) &&
!(retval = put_user(high2lowuid(current->euid), euid)))
retval = put_user(high2lowuid(current->suid), suid);
return retval;
}
asmlinkage long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid)
{
return sys_setresgid(low2highgid(rgid), low2highgid(egid),
low2highgid(sgid));
}
asmlinkage long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid)
{
int retval;
if (!(retval = put_user(high2lowgid(current->gid), rgid)) &&
!(retval = put_user(high2lowgid(current->egid), egid)))
retval = put_user(high2lowgid(current->sgid), sgid);
return retval;
}
asmlinkage long sys32_setfsuid16(u16 uid)
{
return sys_setfsuid((uid_t)uid);
}
asmlinkage long sys32_setfsgid16(u16 gid)
{
return sys_setfsgid((gid_t)gid);
}
static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info)
{
int i;
u16 group;
for (i = 0; i < group_info->ngroups; i++) {
group = (u16)GROUP_AT(group_info, i);
if (put_user(group, grouplist+i))
return -EFAULT;
}
return 0;
}
static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist)
{
int i;
u16 group;
for (i = 0; i < group_info->ngroups; i++) {
if (get_user(group, grouplist+i))
return -EFAULT;
GROUP_AT(group_info, i) = (gid_t)group;
}
return 0;
}
asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist)
{
int i;
if (gidsetsize < 0)
return -EINVAL;
get_group_info(current->group_info);
i = current->group_info->ngroups;
if (gidsetsize) {
if (i > gidsetsize) {
i = -EINVAL;
goto out;
}
if (groups16_to_user(grouplist, current->group_info)) {
i = -EFAULT;
goto out;
}
}
out:
put_group_info(current->group_info);
return i;
}
asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist)
{
struct group_info *group_info;
int retval;
if (!capable(CAP_SETGID))
return -EPERM;
if ((unsigned)gidsetsize > NGROUPS_MAX)
return -EINVAL;
group_info = groups_alloc(gidsetsize);
if (!group_info)
return -ENOMEM;
retval = groups16_from_user(group_info, grouplist);
if (retval) {
put_group_info(group_info);
return retval;
}
retval = set_current_groups(group_info);
put_group_info(group_info);
return retval;
}
asmlinkage long sys32_getuid16(void)
{
return high2lowuid(current->uid);
}
asmlinkage long sys32_geteuid16(void)
{
return high2lowuid(current->euid);
}
asmlinkage long sys32_getgid16(void)
{
return high2lowgid(current->gid);
}
asmlinkage long sys32_getegid16(void)
{
return high2lowgid(current->egid);
}
/* 32-bit timeval and related flotsam. */
static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
......
arch/sparc64/kernel/systbls.S
浏览文件 @ ea771bd5
......@@ -20,21 +20,21 @@
sys_call_table32:
/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys32_chown16, sys32_mknod
/*15*/ .word sys_chmod, sys32_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys32_setuid16, sys32_getuid16
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
/*15*/ .word sys_chmod, sys_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
.word sys_chown, sys_sync, sys32_kill, compat_sys_newstat, sys32_sendfile
/*40*/ .word compat_sys_newlstat, sys_dup, sys_pipe, compat_sys_times, sys_getuid
.word sys32_umount, sys32_setgid16, sys32_getgid16, sys32_signal, sys32_geteuid16
/*50*/ .word sys32_getegid16, sys_acct, sys_nis_syscall, sys_getgid, compat_sys_ioctl
.word sys32_umount, sys_setgid16, sys_getgid16, sys32_signal, sys_geteuid16
/*50*/ .word sys_getegid16, sys_acct, sys_nis_syscall, sys_getgid, compat_sys_ioctl
.word sys32_reboot, sys32_mmap2, sys_symlink, sys32_readlink, sys32_execve
/*60*/ .word sys32_umask, sys_chroot, compat_sys_newfstat, compat_sys_fstat64, sys_getpagesize
.word sys32_msync, sys_vfork, sys32_pread64, sys32_pwrite64, sys_geteuid
/*70*/ .word sys_getegid, sys_mmap, sys_setreuid, sys_munmap, sys_mprotect
.word sys_madvise, sys_vhangup, sys32_truncate64, sys_mincore, sys32_getgroups16
/*80*/ .word sys32_setgroups16, sys_getpgrp, sys32_setgroups, sys32_setitimer, sys32_ftruncate64
.word sys_madvise, sys_vhangup, sys32_truncate64, sys_mincore, sys_getgroups16
/*80*/ .word sys_setgroups16, sys_getpgrp, sys32_setgroups, sys32_setitimer, sys32_ftruncate64
.word sys32_swapon, sys32_getitimer, sys_setuid, sys32_sethostname, sys_setgid
/*90*/ .word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid
.word sys_fsync, sys32_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
......@@ -42,8 +42,8 @@ sys_call_table32:
.word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
.word sys32_getgroups, sys32_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd
/*120*/ .word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys32_fchown16, sys_fchmod
.word sys_nis_syscall, sys32_setreuid16, sys32_setregid16, sys_rename, sys_truncate
/*120*/ .word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys_fchown16, sys_fchmod
.word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate
/*130*/ .word sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall
.word sys_nis_syscall, sys32_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64
/*140*/ .word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit
......@@ -63,7 +63,7 @@ sys_call_table32:
/*210*/ .word sys32_fadvise64_64, sys32_tgkill, sys32_waitpid, sys_swapoff, compat_sys_sysinfo
.word compat_sys_ipc, sys32_sigreturn, sys_clone, sys32_ioprio_get, compat_sys_adjtimex
/*220*/ .word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys32_getpgid
.word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys32_setfsuid16, sys32_setfsgid16
.word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys_setfsuid16, sys_setfsgid16
/*230*/ .word sys32_select, compat_sys_time, sys32_splice, compat_sys_stime, compat_sys_statfs64
.word compat_sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall
/*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler
......
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