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bsd-user: Implement umask(2), setlogin(2) and getlogin(2)

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Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-13-kariem.taha2.7@gmail.com>
This commit is contained in:
Stacey Son 2023-09-25 21:24:09 +03:00 committed by Warner Losh
parent a478416dc8
commit 82fe5f3a34
2 changed files with 51 additions and 0 deletions
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39
bsd-user/bsd-proc.h
View File

@ -26,6 +26,7 @@
#include "gdbstub/syscalls.h"
#include "qemu/plugin.h"
extern int _getlogin(char*, int);
int bsd_get_ncpu(void);
/* exit(2) */
@ -85,4 +86,42 @@ static inline abi_long do_bsd_setgroups(abi_long gidsetsize, abi_long arg2)
return get_errno(setgroups(gidsetsize, grouplist));
}
/* umask(2) */
static inline abi_long do_bsd_umask(abi_long arg1)
{
return get_errno(umask(arg1));
}
/* setlogin(2) */
static inline abi_long do_bsd_setlogin(abi_long arg1)
{
abi_long ret;
void *p;
p = lock_user_string(arg1);
if (p == NULL) {
return -TARGET_EFAULT;
}
ret = get_errno(setlogin(p));
unlock_user(p, arg1, 0);
return ret;
}
/* getlogin(2) */
static inline abi_long do_bsd_getlogin(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
if (p == NULL) {
return -TARGET_EFAULT;
}
ret = get_errno(_getlogin(p, arg2));
unlock_user(p, arg1, arg2);
return ret;
}
#endif /* !BSD_PROC_H_ */

12
bsd-user/freebsd/os-syscall.c
View File

@ -231,6 +231,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_setgroups(arg1, arg2);
break;
case TARGET_FREEBSD_NR_umask: /* umask(2) */
ret = do_bsd_umask(arg1);
break;
case TARGET_FREEBSD_NR_setlogin: /* setlogin(2) */
ret = do_bsd_setlogin(arg1);
break;
case TARGET_FREEBSD_NR_getlogin: /* getlogin(2) */
ret = do_bsd_getlogin(arg1, arg2);
break;
/*
* File system calls.