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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:23:34 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:23:34 +0000 |
| commit | ccfa72b7dae809973f67dfd3d50795a311ecd7b7 (patch) | |
| tree | a101d43ebf0ce1be328b92557290bd6c9a3f6ec2 | |
| parent | 75ac37a09b585cf3e6e3dd45575b1d8e693dddc5 (diff) | |
linux-user fchownat() syscall, by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3220 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | linux-user/syscall.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index aa3fb1972..07efda300 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -139,6 +139,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ #define __NR_sys_uname __NR_uname +#define __NR_sys_fchownat __NR_fchownat #define __NR_sys_getcwd1 __NR_getcwd #define __NR_sys_getdents __NR_getdents #define __NR_sys_getdents64 __NR_getdents64 @@ -162,6 +163,10 @@ static int gettid(void) { } #endif _syscall1(int,sys_uname,struct new_utsname *,buf) +#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 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) @@ -4293,6 +4298,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, case TARGET_NR_fchown: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); break; +#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) + case TARGET_NR_fchownat: + if (!arg2) { + ret = -EFAULT; + goto fail; + } + p = lock_user_string(arg2); + if (!access_ok(VERIFY_READ, p, 1)) + ret = -EFAULT; + else + ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); + if (p) + unlock_user(p, arg2, 0); + break; +#endif #ifdef TARGET_NR_setresuid case TARGET_NR_setresuid: ret = get_errno(setresuid(low2highuid(arg1), |