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Marvin
2026-09-28 17:46:45 +02:00
committed by Marvin Friedrich
parent 09926f45ee
commit 4a20a5b0af
62 changed files with 1266 additions and 554 deletions
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syscalls/uname.c
+13 -11
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@@ -1,8 +1,8 @@
#include <zinnia/spin.h>
#include <zinnia/string.h>
#include <zinnia/syscall.h>
#include <zinnia/usercopy.h>
#include <config.h>
#include <zinnia/string.h>
#include <uapi/utsname.h>
static struct spinlock uname_lock = {};
@@ -13,9 +13,10 @@ static struct __utsname uname_buf = {
.version = CONFIG_KERNEL_FLAVOR,
.nodename = "localhost",
.machine = ZINNIA_ARCH,
.domainname = "none",
};
struct syscall_ret sys_setuname(__user const struct __utsname* ptr) {
struct syscall_ret sys_setuname(const __user struct __utsname* ptr) {
struct syscall_ret ret = {};
if (!ptr) {
@@ -33,11 +34,12 @@ struct syscall_ret sys_setuname(__user const struct __utsname* ptr) {
spin_lock(&uname_lock);
strncpy(uname_buf.sysname, read_buf.sysname, sizeof(uname_buf.sysname));
strncpy(uname_buf.release, read_buf.release, sizeof(uname_buf.release));
strncpy(uname_buf.version, read_buf.version, sizeof(uname_buf.version));
strncpy(uname_buf.nodename, read_buf.nodename, sizeof(uname_buf.nodename));
strncpy(uname_buf.machine, read_buf.machine, sizeof(uname_buf.machine));
strncpy(uname_buf.sysname, read_buf.sysname, sizeof(uname_buf.sysname) - 1);
strncpy(uname_buf.release, read_buf.release, sizeof(uname_buf.release) - 1);
strncpy(uname_buf.version, read_buf.version, sizeof(uname_buf.version) - 1);
strncpy(uname_buf.nodename, read_buf.nodename, sizeof(uname_buf.nodename) - 1);
strncpy(uname_buf.machine, read_buf.machine, sizeof(uname_buf.machine) - 1);
strncpy(uname_buf.domainname, read_buf.domainname, sizeof(uname_buf.domainname) - 1);
spin_unlock(&uname_lock);
@@ -53,11 +55,11 @@ struct syscall_ret sys_getuname(__user struct __utsname* ptr) {
}
spin_lock(&uname_lock);
if (!usercopy_write(ptr, &uname_buf, sizeof(uname_buf)))
ret.errno = EFAULT;
struct __utsname write_buf = uname_buf;
spin_unlock(&uname_lock);
if (!usercopy_write(ptr, &write_buf, sizeof(write_buf)))
ret.errno = EFAULT;
return ret;
}