diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index e7af2ea1c0..e969d1b61d 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -328,7 +328,7 @@ static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode) return (fchmodat(dirfd, pathname, mode, 0)); } #endif -#if defined(TARGET_NR_fchownat) && defined(USE_UID16) +#if defined(TARGET_NR_fchownat) static int sys_fchownat(int dirfd, const char *pathname, uid_t owner, gid_t group, int flags) { @@ -437,7 +437,7 @@ _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode) #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode) #endif -#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16) +#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, uid_t,owner,gid_t,group,int,flags) #endif @@ -4164,7 +4164,31 @@ static inline int low2highgid(int gid) else return gid; } - +static inline int tswapid(int id) +{ + return tswap16(id); +} +#else /* !USE_UID16 */ +static inline int high2lowuid(int uid) +{ + return uid; +} +static inline int high2lowgid(int gid) +{ + return gid; +} +static inline int low2highuid(int uid) +{ + return uid; +} +static inline int low2highgid(int gid) +{ + return gid; +} +static inline int tswapid(int id) +{ + return tswap32(id); +} #endif /* USE_UID16 */ void syscall_init(void) @@ -6765,25 +6789,32 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = host_to_target_stat64(cpu_env, arg3, &st); break; #endif -#ifdef USE_UID16 case TARGET_NR_lchown: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); break; +#ifdef TARGET_NR_getuid case TARGET_NR_getuid: ret = get_errno(high2lowuid(getuid())); break; +#endif +#ifdef TARGET_NR_getgid case TARGET_NR_getgid: ret = get_errno(high2lowgid(getgid())); break; +#endif +#ifdef TARGET_NR_geteuid case TARGET_NR_geteuid: ret = get_errno(high2lowuid(geteuid())); break; +#endif +#ifdef TARGET_NR_getegid case TARGET_NR_getegid: ret = get_errno(high2lowgid(getegid())); break; +#endif case TARGET_NR_setreuid: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); break; @@ -6793,7 +6824,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_getgroups: { int gidsetsize = arg1; - uint16_t *target_grouplist; + target_id *target_grouplist; gid_t *grouplist; int i; @@ -6806,7 +6837,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!target_grouplist) goto efault; for(i = 0;i < ret; i++) - target_grouplist[i] = tswap16(grouplist[i]); + target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); unlock_user(target_grouplist, arg2, gidsetsize * 2); } } @@ -6814,7 +6845,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_setgroups: { int gidsetsize = arg1; - uint16_t *target_grouplist; + target_id *target_grouplist; gid_t *grouplist; int i; @@ -6825,7 +6856,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, goto fail; } for(i = 0;i < gidsetsize; i++) - grouplist[i] = tswap16(target_grouplist[i]); + grouplist[i] = low2highgid(tswapid(target_grouplist[i])); unlock_user(target_grouplist, arg2, 0); ret = get_errno(setgroups(gidsetsize, grouplist)); } @@ -6901,7 +6932,6 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_setfsgid: ret = get_errno(setfsgid(arg1)); break; -#endif /* USE_UID16 */ #ifdef TARGET_NR_lchown32 case TARGET_NR_lchown32: |