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[Qemu-devel] [PATCH v2 073/108] linux-user: Split out getgroups, setgrou
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 073/108] linux-user: Split out getgroups, setgroups, setregid, setreuid |
Date: |
Sat, 9 Jun 2018 17:01:45 -1000 |
Signed-off-by: Richard Henderson <address@hidden>
---
linux-user/syscall.c | 107 +++++++++++++++++++++++++------------------
1 file changed, 63 insertions(+), 44 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f8e34d28b1..915e1f1a91 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8462,6 +8462,32 @@ IMPL(getgid)
}
#endif
+IMPL(getgroups)
+{
+ int gidsetsize = arg1;
+ gid_t *grouplist;
+ abi_long ret;
+
+ grouplist = alloca(gidsetsize * sizeof(gid_t));
+ ret = get_errno(getgroups(gidsetsize, grouplist));
+
+ if (!is_error(ret) && gidsetsize != 0) {
+ target_id *target_gl;
+ int i;
+
+ target_gl = lock_user(VERIFY_WRITE, arg2,
+ gidsetsize * sizeof(target_id), 0);
+ if (!target_gl) {
+ return -TARGET_EFAULT;
+ }
+ for (i = 0; i < ret; i++) {
+ target_gl[i] = tswapid(high2lowgid(grouplist[i]));
+ }
+ unlock_user(target_gl, arg2, gidsetsize * sizeof(target_id));
+ }
+ return ret;
+}
+
IMPL(getitimer)
{
struct itimerval value;
@@ -10441,6 +10467,29 @@ IMPL(setdomainname)
return ret;
}
+IMPL(setgroups)
+{
+ int gidsetsize = arg1;
+ gid_t *grouplist = NULL;
+
+ if (gidsetsize) {
+ target_id *target_gl;
+ int i;
+
+ grouplist = alloca(gidsetsize * sizeof(gid_t));
+ target_gl = lock_user(VERIFY_READ, arg2,
+ gidsetsize * sizeof(target_id), 1);
+ if (!target_gl) {
+ return -TARGET_EFAULT;
+ }
+ for (i = 0; i < gidsetsize; i++) {
+ grouplist[i] = low2highgid(tswapid(target_gl[i]));
+ }
+ unlock_user(target_gl, arg2, 0);
+ }
+ return get_errno(setgroups(gidsetsize, grouplist));
+}
+
IMPL(sethostname)
{
char *p = lock_user_string(arg1);
@@ -10486,6 +10535,16 @@ IMPL(setpriority)
return get_errno(setpriority(arg1, arg2, arg3));
}
+IMPL(setregid)
+{
+ return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
+}
+
+IMPL(setreuid)
+{
+ return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
+}
+
IMPL(setrlimit)
{
int resource = target_to_host_resource(arg1);
@@ -11453,50 +11512,6 @@ static abi_long do_syscall1(void *cpu_env, unsigned
num, abi_long arg1,
void *p;
switch(num) {
- case TARGET_NR_setreuid:
- return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
- case TARGET_NR_setregid:
- return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
- case TARGET_NR_getgroups:
- {
- int gidsetsize = arg1;
- target_id *target_grouplist;
- gid_t *grouplist;
- int i;
-
- grouplist = alloca(gidsetsize * sizeof(gid_t));
- ret = get_errno(getgroups(gidsetsize, grouplist));
- if (gidsetsize == 0)
- return ret;
- if (!is_error(ret)) {
- target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize *
sizeof(target_id), 0);
- if (!target_grouplist)
- return -TARGET_EFAULT;
- for(i = 0;i < ret; i++)
- target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
- unlock_user(target_grouplist, arg2, gidsetsize *
sizeof(target_id));
- }
- }
- return ret;
- case TARGET_NR_setgroups:
- {
- int gidsetsize = arg1;
- target_id *target_grouplist;
- gid_t *grouplist = NULL;
- int i;
- if (gidsetsize) {
- grouplist = alloca(gidsetsize * sizeof(gid_t));
- target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize *
sizeof(target_id), 1);
- if (!target_grouplist) {
- return -TARGET_EFAULT;
- }
- for (i = 0; i < gidsetsize; i++) {
- grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
- }
- unlock_user(target_grouplist, arg2, 0);
- }
- return get_errno(setgroups(gidsetsize, grouplist));
- }
case TARGET_NR_fchown:
return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
#if defined(TARGET_NR_fchownat)
@@ -13123,6 +13138,7 @@ static impl_fn *syscall_table(unsigned num)
#ifdef TARGET_NR_getgid
SYSCALL(getgid);
#endif
+ SYSCALL(getgroups);
SYSCALL(getitimer);
#ifdef TARGET_NR_getpeername
SYSCALL(getpeername);
@@ -13356,10 +13372,13 @@ static impl_fn *syscall_table(unsigned num)
SYSCALL(sendto);
#endif
SYSCALL(setdomainname);
+ SYSCALL(setgroups);
SYSCALL(sethostname);
SYSCALL(setitimer);
SYSCALL(setpgid);
SYSCALL(setpriority);
+ SYSCALL(setregid);
+ SYSCALL(setreuid);
SYSCALL(setrlimit);
#ifdef TARGET_NR_setsockopt
SYSCALL(setsockopt);
--
2.17.1
- [Qemu-devel] [PATCH v2 063/108] linux-user: Split out fdatasync, getsid, _sysctl, (continued)
- [Qemu-devel] [PATCH v2 063/108] linux-user: Split out fdatasync, getsid, _sysctl, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 065/108] linux-user: Split out getcpu, nanosleep, prctl, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 064/108] linux-user: Split out sched syscalls, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 066/108] linux-user: Split out arch_prctl, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 067/108] linux-user: Split out getcwd, pread64, pwrite64, sigaltstack, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 068/108] linux-user: Split out capget, capset, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 070/108] linux-user: Split out ftruncate64, truncate64, ugetrlimit, vfork, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 069/108] linux-user: Split out sendfile, sendfile64, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 071/108] linux-user: Split out fstat64, fstatat64, newfstatat, lstat64, stat64, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 072/108] linux-user: Split out getegid, geteuid, getgid, getuid, lchown, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 073/108] linux-user: Split out getgroups, setgroups, setregid, setreuid,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 075/108] linux-user: Split out chown, getresgid, getresuid, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 074/108] linux-user: Split out fchown, fchownat, setresgid, setresuid, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 076/108] linux-user: Split out setfsgid, setfsuid, setgid, setuid, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 077/108] linux-user: Split out getuid32, getxgid, getxuid, lchown32, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 079/108] linux-user: Split out getegid32, geteuid32, getgid32, setregid32, setreuid32, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 080/108] linux-user: Split out fchown32, getgroups32, setgroups32, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 078/108] linux-user: Split out osf_getsysinfo, osf_setsysinfo, osf_sigprocmask, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 081/108] linux-user: Split out getresgid32, getresuid32, setresgid32, setresuid32, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 082/108] linux-user: Split out chown32, setfsgid32, setfsuid32, setgid32, setuid32, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 083/108] linux-user: Split out mincore, Richard Henderson, 2018/06/09
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