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[PATCH v2 03/11] bsd-user: implement chmod, fchmod, lchmod and fchmodat
From: |
Warner Losh |
Subject: |
[PATCH v2 03/11] bsd-user: implement chmod, fchmod, lchmod and fchmodat |
Date: |
Fri, 24 Jun 2022 15:47:34 -0600 |
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/bsd-file.h | 46 +++++++++++++++++++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 16 ++++++++++++
2 files changed, 62 insertions(+)
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h
index 635ac8d0e62..1af79866fc6 100644
--- a/bsd-user/bsd-file.h
+++ b/bsd-user/bsd-file.h
@@ -675,4 +675,50 @@ static abi_long do_bsd_readlinkat(abi_long arg1, abi_long
arg2,
return ret;
}
+/* chmod(2) */
+static abi_long do_bsd_chmod(abi_long arg1, abi_long arg2)
+{
+ abi_long ret;
+ void *p;
+
+ LOCK_PATH(p, arg1);
+ ret = get_errno(chmod(p, arg2)); /* XXX path(p)? */
+ UNLOCK_PATH(p, arg1);
+
+ return ret;
+}
+
+/* fchmod(2) */
+static abi_long do_bsd_fchmod(abi_long arg1, abi_long arg2)
+{
+ return get_errno(fchmod(arg1, arg2));
+}
+
+/* lchmod(2) */
+static abi_long do_bsd_lchmod(abi_long arg1, abi_long arg2)
+{
+ abi_long ret;
+ void *p;
+
+ LOCK_PATH(p, arg1);
+ ret = get_errno(lchmod(p, arg2)); /* XXX path(p)? */
+ UNLOCK_PATH(p, arg1);
+
+ return ret;
+}
+
+/* fchmodat(2) */
+static abi_long do_bsd_fchmodat(abi_long arg1, abi_long arg2,
+ abi_long arg3, abi_long arg4)
+{
+ abi_long ret;
+ void *p;
+
+ LOCK_PATH(p, arg2);
+ ret = get_errno(fchmodat(arg1, p, arg3, arg4));
+ UNLOCK_PATH(p, arg2);
+
+ return ret;
+}
+
#endif /* BSD_FILE_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 80ec9dd4954..b33d548a4b6 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -402,6 +402,22 @@ static abi_long freebsd_syscall(void *cpu_env, int num,
abi_long arg1,
ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4);
break;
+ case TARGET_FREEBSD_NR_chmod: /* chmod(2) */
+ ret = do_bsd_chmod(arg1, arg2);
+ break;
+
+ case TARGET_FREEBSD_NR_fchmod: /* fchmod(2) */
+ ret = do_bsd_fchmod(arg1, arg2);
+ break;
+
+ case TARGET_FREEBSD_NR_lchmod: /* lchmod(2) */
+ ret = do_bsd_lchmod(arg1, arg2);
+ break;
+
+ case TARGET_FREEBSD_NR_fchmodat: /* fchmodat(2) */
+ ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4);
+ break;
+
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;
--
2.33.1
- [PATCH v2 00/11] bsd-user: More file-related system calls, Warner Losh, 2022/06/24
- [PATCH v2 01/11] bsd-user: Implement mount, umount and nmount, Warner Losh, 2022/06/24
- [PATCH v2 03/11] bsd-user: implement chmod, fchmod, lchmod and fchmodat,
Warner Losh <=
- [PATCH v2 02/11] bsd-user: Implement symlink, symlinkat, readlink and readlinkat, Warner Losh, 2022/06/24
- [PATCH v2 04/11] bsd-user: Implement freebsd11_mknod, freebsd11_mknodat and mknodat, Warner Losh, 2022/06/24
- [PATCH v2 07/11] bsd-user: Implement chroot and flock, Warner Losh, 2022/06/24
- [PATCH v2 10/11] bsd-user: Implement undelete, Warner Losh, 2022/06/24
- [PATCH v2 08/11] bsd-user: Implement mkfifo and mkfifoat, Warner Losh, 2022/06/24
- [PATCH v2 09/11] bsd-user: Implement pathconf, lpathconf and fpathconf, Warner Losh, 2022/06/24
- [PATCH v2 05/11] bsd-user: Implement chown, fchown, lchown and fchownat, Warner Losh, 2022/06/24
- [PATCH v2 06/11] bsd-user: Implement chflags, lchflags and fchflags, Warner Losh, 2022/06/24