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kernel: usercopy functions

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Matheus
2024-06-09 19:31:26 -03:00
parent 429f56aced
commit 50b4b45d00
53 changed files with 712 additions and 260 deletions
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kernel-src/sys/syscalls/uname.c
+10 -6
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@@ -11,6 +11,8 @@ typedef struct {
} utsname_t;
void hostname_get(char *buf);
static char *sysname = "Astral";
static char *release = "Astral";
syscallret_t syscall_uname(context_t *, utsname_t *utsname) {
syscallret_t ret = {0};
@@ -18,12 +20,14 @@ syscallret_t syscall_uname(context_t *, utsname_t *utsname) {
char hostname[HOST_NAME_MAX + 1];
hostname_get(hostname);
strcpy(utsname->sysname, "Astral");
strcpy(utsname->nodename, hostname);
strcpy(utsname->release, "Astral");
strcpy(utsname->version, BUILD_DATE);
strcpy(utsname->machine, BUILD_TARGET);
strcpy(utsname->domainname, hostname);
if (
usercopy_touser(utsname->sysname, sysname, strlen(sysname) + 1) ||
usercopy_touser(utsname->nodename, hostname, strlen(hostname) + 1) ||
usercopy_touser(utsname->release, release, strlen(release) + 1) ||
usercopy_touser(utsname->version, BUILD_DATE, strlen(BUILD_DATE) + 1) ||
usercopy_touser(utsname->machine, BUILD_TARGET, strlen(BUILD_TARGET) + 1) ||
usercopy_touser(utsname->domainname, hostname, strlen(hostname) + 1))
ret.errno = EFAULT;
return ret;
}